xref: /qemu/configure (revision ffdc5a2b)
1#!/bin/sh
2#
3# qemu configure script (c) 2003 Fabrice Bellard
4#
5
6# Unset some variables known to interfere with behavior of common tools,
7# just as autoconf does.
8CLICOLOR_FORCE= GREP_OPTIONS=
9unset CLICOLOR_FORCE GREP_OPTIONS
10
11# Don't allow CCACHE, if present, to use cached results of compile tests!
12export CCACHE_RECACHE=yes
13
14# Temporary directory used for files created while
15# configure runs. Since it is in the build directory
16# we can safely blow away any previous version of it
17# (and we need not jump through hoops to try to delete
18# it when configure exits.)
19TMPDIR1="config-temp"
20rm -rf "${TMPDIR1}"
21mkdir -p "${TMPDIR1}"
22if [ $? -ne 0 ]; then
23    echo "ERROR: failed to create temporary directory"
24    exit 1
25fi
26
27TMPB="qemu-conf"
28TMPC="${TMPDIR1}/${TMPB}.c"
29TMPO="${TMPDIR1}/${TMPB}.o"
30TMPCXX="${TMPDIR1}/${TMPB}.cxx"
31TMPL="${TMPDIR1}/${TMPB}.lo"
32TMPA="${TMPDIR1}/lib${TMPB}.la"
33TMPE="${TMPDIR1}/${TMPB}.exe"
34TMPMO="${TMPDIR1}/${TMPB}.mo"
35
36rm -f config.log
37
38# Print a helpful header at the top of config.log
39echo "# QEMU configure log $(date)" >> config.log
40printf "# Configured with:" >> config.log
41printf " '%s'" "$0" "$@" >> config.log
42echo >> config.log
43echo "#" >> config.log
44
45error_exit() {
46    echo
47    echo "ERROR: $1"
48    while test -n "$2"; do
49        echo "       $2"
50        shift
51    done
52    echo
53    exit 1
54}
55
56do_compiler() {
57    # Run the compiler, capturing its output to the log. First argument
58    # is compiler binary to execute.
59    local compiler="$1"
60    shift
61    echo $compiler "$@" >> config.log
62    $compiler "$@" >> config.log 2>&1 || return $?
63    # Test passed. If this is an --enable-werror build, rerun
64    # the test with -Werror and bail out if it fails. This
65    # makes warning-generating-errors in configure test code
66    # obvious to developers.
67    if test "$werror" != "yes"; then
68        return 0
69    fi
70    # Don't bother rerunning the compile if we were already using -Werror
71    case "$*" in
72        *-Werror*)
73           return 0
74        ;;
75    esac
76    echo $compiler -Werror "$@" >> config.log
77    $compiler -Werror "$@" >> config.log 2>&1 && return $?
78    error_exit "configure test passed without -Werror but failed with -Werror." \
79        "This is probably a bug in the configure script. The failing command" \
80        "will be at the bottom of config.log." \
81        "You can run configure with --disable-werror to bypass this check."
82}
83
84do_cc() {
85    do_compiler "$cc" "$@"
86}
87
88do_cxx() {
89    do_compiler "$cxx" "$@"
90}
91
92update_cxxflags() {
93    # Set QEMU_CXXFLAGS from QEMU_CFLAGS by filtering out those
94    # options which some versions of GCC's C++ compiler complain about
95    # because they only make sense for C programs.
96    QEMU_CXXFLAGS=
97    for arg in $QEMU_CFLAGS; do
98        case $arg in
99            -Wstrict-prototypes|-Wmissing-prototypes|-Wnested-externs|\
100            -Wold-style-declaration|-Wold-style-definition|-Wredundant-decls)
101                ;;
102            *)
103                QEMU_CXXFLAGS=${QEMU_CXXFLAGS:+$QEMU_CXXFLAGS }$arg
104                ;;
105        esac
106    done
107}
108
109compile_object() {
110  local_cflags="$1"
111  do_cc $QEMU_CFLAGS $local_cflags -c -o $TMPO $TMPC
112}
113
114compile_prog() {
115  local_cflags="$1"
116  local_ldflags="$2"
117  do_cc $QEMU_CFLAGS $local_cflags -o $TMPE $TMPC $LDFLAGS $local_ldflags
118}
119
120# symbolically link $1 to $2.  Portable version of "ln -sf".
121symlink() {
122  rm -rf "$2"
123  mkdir -p "$(dirname "$2")"
124  ln -s "$1" "$2"
125}
126
127# check whether a command is available to this shell (may be either an
128# executable or a builtin)
129has() {
130    type "$1" >/dev/null 2>&1
131}
132
133# search for an executable in PATH
134path_of() {
135    local_command="$1"
136    local_ifs="$IFS"
137    local_dir=""
138
139    # pathname has a dir component?
140    if [ "${local_command#*/}" != "$local_command" ]; then
141        if [ -x "$local_command" ] && [ ! -d "$local_command" ]; then
142            echo "$local_command"
143            return 0
144        fi
145    fi
146    if [ -z "$local_command" ]; then
147        return 1
148    fi
149
150    IFS=:
151    for local_dir in $PATH; do
152        if [ -x "$local_dir/$local_command" ] && [ ! -d "$local_dir/$local_command" ]; then
153            echo "$local_dir/$local_command"
154            IFS="${local_ifs:-$(printf ' \t\n')}"
155            return 0
156        fi
157    done
158    # not found
159    IFS="${local_ifs:-$(printf ' \t\n')}"
160    return 1
161}
162
163have_backend () {
164    echo "$trace_backends" | grep "$1" >/dev/null
165}
166
167# default parameters
168source_path=$(dirname "$0")
169cpu=""
170iasl="iasl"
171interp_prefix="/usr/gnemul/qemu-%M"
172static="no"
173cross_prefix=""
174audio_drv_list=""
175block_drv_rw_whitelist=""
176block_drv_ro_whitelist=""
177host_cc="cc"
178libs_softmmu=""
179libs_tools=""
180audio_pt_int=""
181audio_win_int=""
182cc_i386=i386-pc-linux-gnu-gcc
183libs_qga=""
184debug_info="yes"
185stack_protector=""
186
187# Don't accept a target_list environment variable.
188unset target_list
189
190# Default value for a variable defining feature "foo".
191#  * foo="no"  feature will only be used if --enable-foo arg is given
192#  * foo=""    feature will be searched for, and if found, will be used
193#              unless --disable-foo is given
194#  * foo="yes" this value will only be set by --enable-foo flag.
195#              feature will searched for,
196#              if not found, configure exits with error
197#
198# Always add --enable-foo and --disable-foo command line args.
199# Distributions want to ensure that several features are compiled in, and it
200# is impossible without a --enable-foo that exits if a feature is not found.
201
202bluez=""
203brlapi=""
204curl=""
205curses=""
206docs=""
207fdt=""
208netmap="no"
209pixman=""
210sdl=""
211sdlabi=""
212virtfs=""
213vnc="yes"
214sparse="no"
215uuid=""
216vde=""
217vnc_sasl=""
218vnc_jpeg=""
219vnc_png=""
220xen=""
221xen_ctrl_version=""
222xen_pv_domain_build="no"
223xen_pci_passthrough=""
224linux_aio=""
225cap_ng=""
226attr=""
227libattr=""
228xfs=""
229
230vhost_net="no"
231vhost_scsi="no"
232kvm="no"
233rdma=""
234gprof="no"
235debug_tcg="no"
236debug="no"
237fortify_source=""
238strip_opt="yes"
239tcg_interpreter="no"
240bigendian="no"
241mingw32="no"
242gcov="no"
243gcov_tool="gcov"
244EXESUF=""
245DSOSUF=".so"
246LDFLAGS_SHARED="-shared"
247modules="no"
248prefix="/usr/local"
249mandir="\${prefix}/share/man"
250datadir="\${prefix}/share"
251qemu_docdir="\${prefix}/share/doc/qemu"
252bindir="\${prefix}/bin"
253libdir="\${prefix}/lib"
254libexecdir="\${prefix}/libexec"
255includedir="\${prefix}/include"
256sysconfdir="\${prefix}/etc"
257local_statedir="\${prefix}/var"
258confsuffix="/qemu"
259slirp="yes"
260oss_lib=""
261bsd="no"
262linux="no"
263solaris="no"
264profiler="no"
265cocoa="no"
266softmmu="yes"
267linux_user="no"
268bsd_user="no"
269aix="no"
270blobs="yes"
271pkgversion=""
272pie=""
273qom_cast_debug="yes"
274trace_backends="log"
275trace_file="trace"
276spice=""
277rbd=""
278smartcard=""
279libusb=""
280usb_redir=""
281opengl=""
282opengl_dmabuf="no"
283avx2_opt="no"
284zlib="yes"
285lzo=""
286snappy=""
287bzip2=""
288guest_agent=""
289guest_agent_with_vss="no"
290guest_agent_ntddscsi="no"
291guest_agent_msi=""
292vss_win32_sdk=""
293win_sdk="no"
294want_tools="yes"
295libiscsi=""
296libnfs=""
297coroutine=""
298coroutine_pool=""
299seccomp=""
300glusterfs=""
301glusterfs_xlator_opt="no"
302glusterfs_discard="no"
303glusterfs_zerofill="no"
304archipelago="no"
305gtk=""
306gtkabi=""
307gtk_gl="no"
308gnutls=""
309gnutls_hash=""
310gnutls_rnd=""
311nettle=""
312nettle_kdf="no"
313gcrypt=""
314gcrypt_kdf="no"
315vte=""
316virglrenderer=""
317tpm="yes"
318libssh2=""
319vhdx=""
320numa=""
321tcmalloc="no"
322jemalloc="no"
323
324# parse CC options first
325for opt do
326  optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
327  case "$opt" in
328  --cross-prefix=*) cross_prefix="$optarg"
329  ;;
330  --cc=*) CC="$optarg"
331  ;;
332  --cxx=*) CXX="$optarg"
333  ;;
334  --source-path=*) source_path="$optarg"
335  ;;
336  --cpu=*) cpu="$optarg"
337  ;;
338  --extra-cflags=*) QEMU_CFLAGS="$QEMU_CFLAGS $optarg"
339                    EXTRA_CFLAGS="$optarg"
340  ;;
341  --extra-ldflags=*) LDFLAGS="$LDFLAGS $optarg"
342                     EXTRA_LDFLAGS="$optarg"
343  ;;
344  --enable-debug-info) debug_info="yes"
345  ;;
346  --disable-debug-info) debug_info="no"
347  ;;
348  esac
349done
350# OS specific
351# Using uname is really, really broken.  Once we have the right set of checks
352# we can eliminate its usage altogether.
353
354# Preferred compiler:
355#  ${CC} (if set)
356#  ${cross_prefix}gcc (if cross-prefix specified)
357#  system compiler
358if test -z "${CC}${cross_prefix}"; then
359  cc="$host_cc"
360else
361  cc="${CC-${cross_prefix}gcc}"
362fi
363
364if test -z "${CXX}${cross_prefix}"; then
365  cxx="c++"
366else
367  cxx="${CXX-${cross_prefix}g++}"
368fi
369
370ar="${AR-${cross_prefix}ar}"
371as="${AS-${cross_prefix}as}"
372cpp="${CPP-$cc -E}"
373objcopy="${OBJCOPY-${cross_prefix}objcopy}"
374ld="${LD-${cross_prefix}ld}"
375nm="${NM-${cross_prefix}nm}"
376strip="${STRIP-${cross_prefix}strip}"
377windres="${WINDRES-${cross_prefix}windres}"
378pkg_config_exe="${PKG_CONFIG-${cross_prefix}pkg-config}"
379query_pkg_config() {
380    "${pkg_config_exe}" ${QEMU_PKG_CONFIG_FLAGS} "$@"
381}
382pkg_config=query_pkg_config
383sdl_config="${SDL_CONFIG-${cross_prefix}sdl-config}"
384sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}"
385
386# If the user hasn't specified ARFLAGS, default to 'rv', just as make does.
387ARFLAGS="${ARFLAGS-rv}"
388
389# default flags for all hosts
390QEMU_CFLAGS="-fno-strict-aliasing -fno-common $QEMU_CFLAGS"
391QEMU_CFLAGS="-Wall -Wundef -Wwrite-strings -Wmissing-prototypes $QEMU_CFLAGS"
392QEMU_CFLAGS="-Wstrict-prototypes -Wredundant-decls $QEMU_CFLAGS"
393QEMU_CFLAGS="-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE $QEMU_CFLAGS"
394QEMU_INCLUDES="-I. -I\$(SRC_PATH) -I\$(SRC_PATH)/include"
395if test "$debug_info" = "yes"; then
396    CFLAGS="-g $CFLAGS"
397    LDFLAGS="-g $LDFLAGS"
398fi
399
400# make source path absolute
401source_path=$(cd "$source_path"; pwd)
402
403# running configure in the source tree?
404# we know that's the case if configure is there.
405if test -f "./configure"; then
406    pwd_is_source_path="y"
407else
408    pwd_is_source_path="n"
409fi
410
411check_define() {
412cat > $TMPC <<EOF
413#if !defined($1)
414#error $1 not defined
415#endif
416int main(void) { return 0; }
417EOF
418  compile_object
419}
420
421check_include() {
422cat > $TMPC <<EOF
423#include <$1>
424int main(void) { return 0; }
425EOF
426  compile_object
427}
428
429write_c_skeleton() {
430    cat > $TMPC <<EOF
431int main(void) { return 0; }
432EOF
433}
434
435if check_define __linux__ ; then
436  targetos="Linux"
437elif check_define _WIN32 ; then
438  targetos='MINGW32'
439elif check_define __OpenBSD__ ; then
440  targetos='OpenBSD'
441elif check_define __sun__ ; then
442  targetos='SunOS'
443elif check_define __HAIKU__ ; then
444  targetos='Haiku'
445else
446  targetos=$(uname -s)
447fi
448
449# Some host OSes need non-standard checks for which CPU to use.
450# Note that these checks are broken for cross-compilation: if you're
451# cross-compiling to one of these OSes then you'll need to specify
452# the correct CPU with the --cpu option.
453case $targetos in
454Darwin)
455  # on Leopard most of the system is 32-bit, so we have to ask the kernel if we can
456  # run 64-bit userspace code.
457  # If the user didn't specify a CPU explicitly and the kernel says this is
458  # 64 bit hw, then assume x86_64. Otherwise fall through to the usual detection code.
459  if test -z "$cpu" && test "$(sysctl -n hw.optional.x86_64)" = "1"; then
460    cpu="x86_64"
461  fi
462  ;;
463SunOS)
464  # $(uname -m) returns i86pc even on an x86_64 box, so default based on isainfo
465  if test -z "$cpu" && test "$(isainfo -k)" = "amd64"; then
466    cpu="x86_64"
467  fi
468esac
469
470if test ! -z "$cpu" ; then
471  # command line argument
472  :
473elif check_define __i386__ ; then
474  cpu="i386"
475elif check_define __x86_64__ ; then
476  if check_define __ILP32__ ; then
477    cpu="x32"
478  else
479    cpu="x86_64"
480  fi
481elif check_define __sparc__ ; then
482  if check_define __arch64__ ; then
483    cpu="sparc64"
484  else
485    cpu="sparc"
486  fi
487elif check_define _ARCH_PPC ; then
488  if check_define _ARCH_PPC64 ; then
489    cpu="ppc64"
490  else
491    cpu="ppc"
492  fi
493elif check_define __mips__ ; then
494  cpu="mips"
495elif check_define __ia64__ ; then
496  cpu="ia64"
497elif check_define __s390__ ; then
498  if check_define __s390x__ ; then
499    cpu="s390x"
500  else
501    cpu="s390"
502  fi
503elif check_define __arm__ ; then
504  cpu="arm"
505elif check_define __aarch64__ ; then
506  cpu="aarch64"
507elif check_define __hppa__ ; then
508  cpu="hppa"
509else
510  cpu=$(uname -m)
511fi
512
513ARCH=
514# Normalise host CPU name and set ARCH.
515# Note that this case should only have supported host CPUs, not guests.
516case "$cpu" in
517  ia64|ppc|ppc64|s390|s390x|sparc64|x32)
518    cpu="$cpu"
519  ;;
520  i386|i486|i586|i686|i86pc|BePC)
521    cpu="i386"
522  ;;
523  x86_64|amd64)
524    cpu="x86_64"
525  ;;
526  armv*b|armv*l|arm)
527    cpu="arm"
528  ;;
529  aarch64)
530    cpu="aarch64"
531  ;;
532  mips*)
533    cpu="mips"
534  ;;
535  sparc|sun4[cdmuv])
536    cpu="sparc"
537  ;;
538  *)
539    # This will result in either an error or falling back to TCI later
540    ARCH=unknown
541  ;;
542esac
543if test -z "$ARCH"; then
544  ARCH="$cpu"
545fi
546
547# OS specific
548
549# host *BSD for user mode
550HOST_VARIANT_DIR=""
551
552case $targetos in
553CYGWIN*)
554  mingw32="yes"
555  QEMU_CFLAGS="-mno-cygwin $QEMU_CFLAGS"
556  audio_possible_drivers="sdl"
557  audio_drv_list="sdl"
558;;
559MINGW32*)
560  mingw32="yes"
561  audio_possible_drivers="dsound sdl"
562  if check_include dsound.h; then
563    audio_drv_list="dsound"
564  else
565    audio_drv_list=""
566  fi
567;;
568GNU/kFreeBSD)
569  bsd="yes"
570  audio_drv_list="oss"
571  audio_possible_drivers="oss sdl pa"
572;;
573FreeBSD)
574  bsd="yes"
575  make="${MAKE-gmake}"
576  audio_drv_list="oss"
577  audio_possible_drivers="oss sdl pa"
578  # needed for kinfo_getvmmap(3) in libutil.h
579  LIBS="-lutil $LIBS"
580  netmap=""  # enable netmap autodetect
581  HOST_VARIANT_DIR="freebsd"
582;;
583DragonFly)
584  bsd="yes"
585  make="${MAKE-gmake}"
586  audio_drv_list="oss"
587  audio_possible_drivers="oss sdl pa"
588  HOST_VARIANT_DIR="dragonfly"
589;;
590NetBSD)
591  bsd="yes"
592  make="${MAKE-gmake}"
593  audio_drv_list="oss"
594  audio_possible_drivers="oss sdl"
595  oss_lib="-lossaudio"
596  HOST_VARIANT_DIR="netbsd"
597;;
598OpenBSD)
599  bsd="yes"
600  make="${MAKE-gmake}"
601  audio_drv_list="sdl"
602  audio_possible_drivers="sdl"
603  HOST_VARIANT_DIR="openbsd"
604;;
605Darwin)
606  bsd="yes"
607  darwin="yes"
608  LDFLAGS_SHARED="-bundle -undefined dynamic_lookup"
609  if [ "$cpu" = "x86_64" ] ; then
610    QEMU_CFLAGS="-arch x86_64 $QEMU_CFLAGS"
611    LDFLAGS="-arch x86_64 $LDFLAGS"
612  fi
613  cocoa="yes"
614  audio_drv_list="coreaudio"
615  audio_possible_drivers="coreaudio sdl"
616  LDFLAGS="-framework CoreFoundation -framework IOKit $LDFLAGS"
617  libs_softmmu="-F/System/Library/Frameworks -framework Cocoa -framework IOKit $libs_softmmu"
618  # Disable attempts to use ObjectiveC features in os/object.h since they
619  # won't work when we're compiling with gcc as a C compiler.
620  QEMU_CFLAGS="-DOS_OBJECT_USE_OBJC=0 $QEMU_CFLAGS"
621  HOST_VARIANT_DIR="darwin"
622;;
623SunOS)
624  solaris="yes"
625  make="${MAKE-gmake}"
626  install="${INSTALL-ginstall}"
627  ld="gld"
628  smbd="${SMBD-/usr/sfw/sbin/smbd}"
629  needs_libsunmath="no"
630  solarisrev=$(uname -r | cut -f2 -d.)
631  if [ "$cpu" = "i386" -o "$cpu" = "x86_64" ] ; then
632    if test "$solarisrev" -le 9 ; then
633      if test -f /opt/SUNWspro/prod/lib/libsunmath.so.1; then
634        needs_libsunmath="yes"
635        QEMU_CFLAGS="-I/opt/SUNWspro/prod/include/cc $QEMU_CFLAGS"
636        LDFLAGS="-L/opt/SUNWspro/prod/lib -R/opt/SUNWspro/prod/lib $LDFLAGS"
637        LIBS="-lsunmath $LIBS"
638      else
639        error_exit "QEMU will not link correctly on Solaris 8/X86 or 9/x86 without" \
640            "libsunmath from the Sun Studio compilers tools, due to a lack of" \
641            "C99 math features in libm.so in Solaris 8/x86 and Solaris 9/x86" \
642            "Studio 11 can be downloaded from www.sun.com."
643      fi
644    fi
645  fi
646  if test -f /usr/include/sys/soundcard.h ; then
647    audio_drv_list="oss"
648  fi
649  audio_possible_drivers="oss sdl"
650# needed for CMSG_ macros in sys/socket.h
651  QEMU_CFLAGS="-D_XOPEN_SOURCE=600 $QEMU_CFLAGS"
652# needed for TIOCWIN* defines in termios.h
653  QEMU_CFLAGS="-D__EXTENSIONS__ $QEMU_CFLAGS"
654  QEMU_CFLAGS="-std=gnu99 $QEMU_CFLAGS"
655  solarisnetlibs="-lsocket -lnsl -lresolv"
656  LIBS="$solarisnetlibs $LIBS"
657  libs_qga="$solarisnetlibs $libs_qga"
658;;
659AIX)
660  aix="yes"
661  make="${MAKE-gmake}"
662;;
663Haiku)
664  haiku="yes"
665  QEMU_CFLAGS="-DB_USE_POSITIVE_POSIX_ERRORS $QEMU_CFLAGS"
666  LIBS="-lposix_error_mapper -lnetwork $LIBS"
667;;
668*)
669  audio_drv_list="oss"
670  audio_possible_drivers="oss alsa sdl pa"
671  linux="yes"
672  linux_user="yes"
673  kvm="yes"
674  vhost_net="yes"
675  vhost_scsi="yes"
676  QEMU_INCLUDES="-I\$(SRC_PATH)/linux-headers -I$(pwd)/linux-headers $QEMU_INCLUDES"
677;;
678esac
679
680if [ "$bsd" = "yes" ] ; then
681  if [ "$darwin" != "yes" ] ; then
682    bsd_user="yes"
683  fi
684fi
685
686: ${make=${MAKE-make}}
687: ${install=${INSTALL-install}}
688: ${python=${PYTHON-python}}
689: ${smbd=${SMBD-/usr/sbin/smbd}}
690
691# Default objcc to clang if available, otherwise use CC
692if has clang; then
693  objcc=clang
694else
695  objcc="$cc"
696fi
697
698if test "$mingw32" = "yes" ; then
699  EXESUF=".exe"
700  DSOSUF=".dll"
701  QEMU_CFLAGS="-DWIN32_LEAN_AND_MEAN -DWINVER=0x501 $QEMU_CFLAGS"
702  # enable C99/POSIX format strings (needs mingw32-runtime 3.15 or later)
703  QEMU_CFLAGS="-D__USE_MINGW_ANSI_STDIO=1 $QEMU_CFLAGS"
704  # MinGW needs -mthreads for TLS and macro _MT.
705  QEMU_CFLAGS="-mthreads $QEMU_CFLAGS"
706  LIBS="-lwinmm -lws2_32 -liphlpapi $LIBS"
707  write_c_skeleton;
708  if compile_prog "" "-liberty" ; then
709    LIBS="-liberty $LIBS"
710  fi
711  prefix="c:/Program Files/QEMU"
712  mandir="\${prefix}"
713  datadir="\${prefix}"
714  qemu_docdir="\${prefix}"
715  bindir="\${prefix}"
716  sysconfdir="\${prefix}"
717  local_statedir=
718  confsuffix=""
719  libs_qga="-lws2_32 -lwinmm -lpowrprof -liphlpapi -lnetapi32 $libs_qga"
720fi
721
722werror=""
723
724for opt do
725  optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
726  case "$opt" in
727  --help|-h) show_help=yes
728  ;;
729  --version|-V) exec cat $source_path/VERSION
730  ;;
731  --prefix=*) prefix="$optarg"
732  ;;
733  --interp-prefix=*) interp_prefix="$optarg"
734  ;;
735  --source-path=*)
736  ;;
737  --cross-prefix=*)
738  ;;
739  --cc=*)
740  ;;
741  --host-cc=*) host_cc="$optarg"
742  ;;
743  --cxx=*)
744  ;;
745  --iasl=*) iasl="$optarg"
746  ;;
747  --objcc=*) objcc="$optarg"
748  ;;
749  --make=*) make="$optarg"
750  ;;
751  --install=*) install="$optarg"
752  ;;
753  --python=*) python="$optarg"
754  ;;
755  --gcov=*) gcov_tool="$optarg"
756  ;;
757  --smbd=*) smbd="$optarg"
758  ;;
759  --extra-cflags=*)
760  ;;
761  --extra-ldflags=*)
762  ;;
763  --enable-debug-info)
764  ;;
765  --disable-debug-info)
766  ;;
767  --enable-modules)
768      modules="yes"
769  ;;
770  --disable-modules)
771      modules="no"
772  ;;
773  --cpu=*)
774  ;;
775  --target-list=*) target_list="$optarg"
776  ;;
777  --enable-trace-backends=*) trace_backends="$optarg"
778  ;;
779  # XXX: backwards compatibility
780  --enable-trace-backend=*) trace_backends="$optarg"
781  ;;
782  --with-trace-file=*) trace_file="$optarg"
783  ;;
784  --enable-gprof) gprof="yes"
785  ;;
786  --enable-gcov) gcov="yes"
787  ;;
788  --static)
789    static="yes"
790    LDFLAGS="-static $LDFLAGS"
791    QEMU_PKG_CONFIG_FLAGS="--static $QEMU_PKG_CONFIG_FLAGS"
792  ;;
793  --mandir=*) mandir="$optarg"
794  ;;
795  --bindir=*) bindir="$optarg"
796  ;;
797  --libdir=*) libdir="$optarg"
798  ;;
799  --libexecdir=*) libexecdir="$optarg"
800  ;;
801  --includedir=*) includedir="$optarg"
802  ;;
803  --datadir=*) datadir="$optarg"
804  ;;
805  --with-confsuffix=*) confsuffix="$optarg"
806  ;;
807  --docdir=*) qemu_docdir="$optarg"
808  ;;
809  --sysconfdir=*) sysconfdir="$optarg"
810  ;;
811  --localstatedir=*) local_statedir="$optarg"
812  ;;
813  --sbindir=*|--sharedstatedir=*|\
814  --oldincludedir=*|--datarootdir=*|--infodir=*|--localedir=*|\
815  --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*)
816    # These switches are silently ignored, for compatibility with
817    # autoconf-generated configure scripts. This allows QEMU's
818    # configure to be used by RPM and similar macros that set
819    # lots of directory switches by default.
820  ;;
821  --with-system-pixman) pixman="system"
822  ;;
823  --without-system-pixman) pixman="internal"
824  ;;
825  --without-pixman) pixman="none"
826  ;;
827  --disable-sdl) sdl="no"
828  ;;
829  --enable-sdl) sdl="yes"
830  ;;
831  --with-sdlabi=*) sdlabi="$optarg"
832  ;;
833  --disable-qom-cast-debug) qom_cast_debug="no"
834  ;;
835  --enable-qom-cast-debug) qom_cast_debug="yes"
836  ;;
837  --disable-virtfs) virtfs="no"
838  ;;
839  --enable-virtfs) virtfs="yes"
840  ;;
841  --disable-vnc) vnc="no"
842  ;;
843  --enable-vnc) vnc="yes"
844  ;;
845  --oss-lib=*) oss_lib="$optarg"
846  ;;
847  --audio-drv-list=*) audio_drv_list="$optarg"
848  ;;
849  --block-drv-rw-whitelist=*|--block-drv-whitelist=*) block_drv_rw_whitelist=$(echo "$optarg" | sed -e 's/,/ /g')
850  ;;
851  --block-drv-ro-whitelist=*) block_drv_ro_whitelist=$(echo "$optarg" | sed -e 's/,/ /g')
852  ;;
853  --enable-debug-tcg) debug_tcg="yes"
854  ;;
855  --disable-debug-tcg) debug_tcg="no"
856  ;;
857  --enable-debug)
858      # Enable debugging options that aren't excessively noisy
859      debug_tcg="yes"
860      debug="yes"
861      strip_opt="no"
862      fortify_source="no"
863  ;;
864  --enable-sparse) sparse="yes"
865  ;;
866  --disable-sparse) sparse="no"
867  ;;
868  --disable-strip) strip_opt="no"
869  ;;
870  --disable-vnc-sasl) vnc_sasl="no"
871  ;;
872  --enable-vnc-sasl) vnc_sasl="yes"
873  ;;
874  --disable-vnc-jpeg) vnc_jpeg="no"
875  ;;
876  --enable-vnc-jpeg) vnc_jpeg="yes"
877  ;;
878  --disable-vnc-png) vnc_png="no"
879  ;;
880  --enable-vnc-png) vnc_png="yes"
881  ;;
882  --disable-slirp) slirp="no"
883  ;;
884  --disable-uuid) uuid="no"
885  ;;
886  --enable-uuid) uuid="yes"
887  ;;
888  --disable-vde) vde="no"
889  ;;
890  --enable-vde) vde="yes"
891  ;;
892  --disable-netmap) netmap="no"
893  ;;
894  --enable-netmap) netmap="yes"
895  ;;
896  --disable-xen) xen="no"
897  ;;
898  --enable-xen) xen="yes"
899  ;;
900  --disable-xen-pci-passthrough) xen_pci_passthrough="no"
901  ;;
902  --enable-xen-pci-passthrough) xen_pci_passthrough="yes"
903  ;;
904  --disable-xen-pv-domain-build) xen_pv_domain_build="no"
905  ;;
906  --enable-xen-pv-domain-build) xen_pv_domain_build="yes"
907  ;;
908  --disable-brlapi) brlapi="no"
909  ;;
910  --enable-brlapi) brlapi="yes"
911  ;;
912  --disable-bluez) bluez="no"
913  ;;
914  --enable-bluez) bluez="yes"
915  ;;
916  --disable-kvm) kvm="no"
917  ;;
918  --enable-kvm) kvm="yes"
919  ;;
920  --disable-tcg-interpreter) tcg_interpreter="no"
921  ;;
922  --enable-tcg-interpreter) tcg_interpreter="yes"
923  ;;
924  --disable-cap-ng)  cap_ng="no"
925  ;;
926  --enable-cap-ng) cap_ng="yes"
927  ;;
928  --disable-spice) spice="no"
929  ;;
930  --enable-spice) spice="yes"
931  ;;
932  --disable-libiscsi) libiscsi="no"
933  ;;
934  --enable-libiscsi) libiscsi="yes"
935  ;;
936  --disable-libnfs) libnfs="no"
937  ;;
938  --enable-libnfs) libnfs="yes"
939  ;;
940  --enable-profiler) profiler="yes"
941  ;;
942  --disable-cocoa) cocoa="no"
943  ;;
944  --enable-cocoa)
945      cocoa="yes" ;
946      audio_drv_list="coreaudio $(echo $audio_drv_list | sed s,coreaudio,,g)"
947  ;;
948  --disable-system) softmmu="no"
949  ;;
950  --enable-system) softmmu="yes"
951  ;;
952  --disable-user)
953      linux_user="no" ;
954      bsd_user="no" ;
955  ;;
956  --enable-user) ;;
957  --disable-linux-user) linux_user="no"
958  ;;
959  --enable-linux-user) linux_user="yes"
960  ;;
961  --disable-bsd-user) bsd_user="no"
962  ;;
963  --enable-bsd-user) bsd_user="yes"
964  ;;
965  --enable-pie) pie="yes"
966  ;;
967  --disable-pie) pie="no"
968  ;;
969  --enable-werror) werror="yes"
970  ;;
971  --disable-werror) werror="no"
972  ;;
973  --enable-stack-protector) stack_protector="yes"
974  ;;
975  --disable-stack-protector) stack_protector="no"
976  ;;
977  --disable-curses) curses="no"
978  ;;
979  --enable-curses) curses="yes"
980  ;;
981  --disable-curl) curl="no"
982  ;;
983  --enable-curl) curl="yes"
984  ;;
985  --disable-fdt) fdt="no"
986  ;;
987  --enable-fdt) fdt="yes"
988  ;;
989  --disable-linux-aio) linux_aio="no"
990  ;;
991  --enable-linux-aio) linux_aio="yes"
992  ;;
993  --disable-attr) attr="no"
994  ;;
995  --enable-attr) attr="yes"
996  ;;
997  --disable-blobs) blobs="no"
998  ;;
999  --with-pkgversion=*) pkgversion=" ($optarg)"
1000  ;;
1001  --with-coroutine=*) coroutine="$optarg"
1002  ;;
1003  --disable-coroutine-pool) coroutine_pool="no"
1004  ;;
1005  --enable-coroutine-pool) coroutine_pool="yes"
1006  ;;
1007  --disable-docs) docs="no"
1008  ;;
1009  --enable-docs) docs="yes"
1010  ;;
1011  --disable-vhost-net) vhost_net="no"
1012  ;;
1013  --enable-vhost-net) vhost_net="yes"
1014  ;;
1015  --disable-vhost-scsi) vhost_scsi="no"
1016  ;;
1017  --enable-vhost-scsi) vhost_scsi="yes"
1018  ;;
1019  --disable-opengl) opengl="no"
1020  ;;
1021  --enable-opengl) opengl="yes"
1022  ;;
1023  --disable-rbd) rbd="no"
1024  ;;
1025  --enable-rbd) rbd="yes"
1026  ;;
1027  --disable-xfsctl) xfs="no"
1028  ;;
1029  --enable-xfsctl) xfs="yes"
1030  ;;
1031  --disable-smartcard) smartcard="no"
1032  ;;
1033  --enable-smartcard) smartcard="yes"
1034  ;;
1035  --disable-libusb) libusb="no"
1036  ;;
1037  --enable-libusb) libusb="yes"
1038  ;;
1039  --disable-usb-redir) usb_redir="no"
1040  ;;
1041  --enable-usb-redir) usb_redir="yes"
1042  ;;
1043  --disable-zlib-test) zlib="no"
1044  ;;
1045  --disable-lzo) lzo="no"
1046  ;;
1047  --enable-lzo) lzo="yes"
1048  ;;
1049  --disable-snappy) snappy="no"
1050  ;;
1051  --enable-snappy) snappy="yes"
1052  ;;
1053  --disable-bzip2) bzip2="no"
1054  ;;
1055  --enable-bzip2) bzip2="yes"
1056  ;;
1057  --enable-guest-agent) guest_agent="yes"
1058  ;;
1059  --disable-guest-agent) guest_agent="no"
1060  ;;
1061  --enable-guest-agent-msi) guest_agent_msi="yes"
1062  ;;
1063  --disable-guest-agent-msi) guest_agent_msi="no"
1064  ;;
1065  --with-vss-sdk) vss_win32_sdk=""
1066  ;;
1067  --with-vss-sdk=*) vss_win32_sdk="$optarg"
1068  ;;
1069  --without-vss-sdk) vss_win32_sdk="no"
1070  ;;
1071  --with-win-sdk) win_sdk=""
1072  ;;
1073  --with-win-sdk=*) win_sdk="$optarg"
1074  ;;
1075  --without-win-sdk) win_sdk="no"
1076  ;;
1077  --enable-tools) want_tools="yes"
1078  ;;
1079  --disable-tools) want_tools="no"
1080  ;;
1081  --enable-seccomp) seccomp="yes"
1082  ;;
1083  --disable-seccomp) seccomp="no"
1084  ;;
1085  --disable-glusterfs) glusterfs="no"
1086  ;;
1087  --enable-glusterfs) glusterfs="yes"
1088  ;;
1089  --disable-archipelago) archipelago="no"
1090  ;;
1091  --enable-archipelago) archipelago="yes"
1092  ;;
1093  --disable-virtio-blk-data-plane|--enable-virtio-blk-data-plane)
1094      echo "$0: $opt is obsolete, virtio-blk data-plane is always on" >&2
1095  ;;
1096  --disable-gtk) gtk="no"
1097  ;;
1098  --enable-gtk) gtk="yes"
1099  ;;
1100  --disable-gnutls) gnutls="no"
1101  ;;
1102  --enable-gnutls) gnutls="yes"
1103  ;;
1104  --disable-nettle) nettle="no"
1105  ;;
1106  --enable-nettle) nettle="yes"
1107  ;;
1108  --disable-gcrypt) gcrypt="no"
1109  ;;
1110  --enable-gcrypt) gcrypt="yes"
1111  ;;
1112  --enable-rdma) rdma="yes"
1113  ;;
1114  --disable-rdma) rdma="no"
1115  ;;
1116  --with-gtkabi=*) gtkabi="$optarg"
1117  ;;
1118  --disable-vte) vte="no"
1119  ;;
1120  --enable-vte) vte="yes"
1121  ;;
1122  --disable-virglrenderer) virglrenderer="no"
1123  ;;
1124  --enable-virglrenderer) virglrenderer="yes"
1125  ;;
1126  --disable-tpm) tpm="no"
1127  ;;
1128  --enable-tpm) tpm="yes"
1129  ;;
1130  --disable-libssh2) libssh2="no"
1131  ;;
1132  --enable-libssh2) libssh2="yes"
1133  ;;
1134  --enable-vhdx) vhdx="yes"
1135  ;;
1136  --disable-vhdx) vhdx="no"
1137  ;;
1138  --disable-numa) numa="no"
1139  ;;
1140  --enable-numa) numa="yes"
1141  ;;
1142  --disable-tcmalloc) tcmalloc="no"
1143  ;;
1144  --enable-tcmalloc) tcmalloc="yes"
1145  ;;
1146  --disable-jemalloc) jemalloc="no"
1147  ;;
1148  --enable-jemalloc) jemalloc="yes"
1149  ;;
1150  *)
1151      echo "ERROR: unknown option $opt"
1152      echo "Try '$0 --help' for more information"
1153      exit 1
1154  ;;
1155  esac
1156done
1157
1158if ! has $python; then
1159  error_exit "Python not found. Use --python=/path/to/python"
1160fi
1161
1162# Note that if the Python conditional here evaluates True we will exit
1163# with status 1 which is a shell 'false' value.
1164if ! $python -c 'import sys; sys.exit(sys.version_info < (2,6) or sys.version_info >= (3,))'; then
1165  error_exit "Cannot use '$python', Python 2.6 or later is required." \
1166      "Note that Python 3 or later is not yet supported." \
1167      "Use --python=/path/to/python to specify a supported Python."
1168fi
1169
1170# Suppress writing compiled files
1171python="$python -B"
1172
1173case "$cpu" in
1174    ppc)
1175           CPU_CFLAGS="-m32"
1176           LDFLAGS="-m32 $LDFLAGS"
1177           ;;
1178    ppc64)
1179           CPU_CFLAGS="-m64"
1180           LDFLAGS="-m64 $LDFLAGS"
1181           ;;
1182    sparc)
1183           LDFLAGS="-m32 $LDFLAGS"
1184           CPU_CFLAGS="-m32 -mcpu=ultrasparc"
1185           ;;
1186    sparc64)
1187           LDFLAGS="-m64 $LDFLAGS"
1188           CPU_CFLAGS="-m64 -mcpu=ultrasparc"
1189           ;;
1190    s390)
1191           CPU_CFLAGS="-m31"
1192           LDFLAGS="-m31 $LDFLAGS"
1193           ;;
1194    s390x)
1195           CPU_CFLAGS="-m64"
1196           LDFLAGS="-m64 $LDFLAGS"
1197           ;;
1198    i386)
1199           CPU_CFLAGS="-m32"
1200           LDFLAGS="-m32 $LDFLAGS"
1201           cc_i386='$(CC) -m32'
1202           ;;
1203    x86_64)
1204           CPU_CFLAGS="-m64"
1205           LDFLAGS="-m64 $LDFLAGS"
1206           cc_i386='$(CC) -m32'
1207           ;;
1208    x32)
1209           CPU_CFLAGS="-mx32"
1210           LDFLAGS="-mx32 $LDFLAGS"
1211           cc_i386='$(CC) -m32'
1212           ;;
1213    # No special flags required for other host CPUs
1214esac
1215
1216QEMU_CFLAGS="$CPU_CFLAGS $QEMU_CFLAGS"
1217EXTRA_CFLAGS="$CPU_CFLAGS $EXTRA_CFLAGS"
1218
1219default_target_list=""
1220
1221mak_wilds=""
1222
1223if [ "$softmmu" = "yes" ]; then
1224    mak_wilds="${mak_wilds} $source_path/default-configs/*-softmmu.mak"
1225fi
1226if [ "$linux_user" = "yes" ]; then
1227    mak_wilds="${mak_wilds} $source_path/default-configs/*-linux-user.mak"
1228fi
1229if [ "$bsd_user" = "yes" ]; then
1230    mak_wilds="${mak_wilds} $source_path/default-configs/*-bsd-user.mak"
1231fi
1232
1233for config in $mak_wilds; do
1234    default_target_list="${default_target_list} $(basename "$config" .mak)"
1235done
1236
1237if test x"$show_help" = x"yes" ; then
1238cat << EOF
1239
1240Usage: configure [options]
1241Options: [defaults in brackets after descriptions]
1242
1243Standard options:
1244  --help                   print this message
1245  --prefix=PREFIX          install in PREFIX [$prefix]
1246  --interp-prefix=PREFIX   where to find shared libraries, etc.
1247                           use %M for cpu name [$interp_prefix]
1248  --target-list=LIST       set target list (default: build everything)
1249$(echo Available targets: $default_target_list | \
1250  fold -s -w 53 | sed -e 's/^/                           /')
1251
1252Advanced options (experts only):
1253  --source-path=PATH       path of source code [$source_path]
1254  --cross-prefix=PREFIX    use PREFIX for compile tools [$cross_prefix]
1255  --cc=CC                  use C compiler CC [$cc]
1256  --iasl=IASL              use ACPI compiler IASL [$iasl]
1257  --host-cc=CC             use C compiler CC [$host_cc] for code run at
1258                           build time
1259  --cxx=CXX                use C++ compiler CXX [$cxx]
1260  --objcc=OBJCC            use Objective-C compiler OBJCC [$objcc]
1261  --extra-cflags=CFLAGS    append extra C compiler flags QEMU_CFLAGS
1262  --extra-ldflags=LDFLAGS  append extra linker flags LDFLAGS
1263  --make=MAKE              use specified make [$make]
1264  --install=INSTALL        use specified install [$install]
1265  --python=PYTHON          use specified python [$python]
1266  --smbd=SMBD              use specified smbd [$smbd]
1267  --static                 enable static build [$static]
1268  --mandir=PATH            install man pages in PATH
1269  --datadir=PATH           install firmware in PATH$confsuffix
1270  --docdir=PATH            install documentation in PATH$confsuffix
1271  --bindir=PATH            install binaries in PATH
1272  --libdir=PATH            install libraries in PATH
1273  --sysconfdir=PATH        install config in PATH$confsuffix
1274  --localstatedir=PATH     install local state in PATH (set at runtime on win32)
1275  --with-confsuffix=SUFFIX suffix for QEMU data inside datadir/libdir/sysconfdir [$confsuffix]
1276  --enable-debug           enable common debug build options
1277  --disable-strip          disable stripping binaries
1278  --disable-werror         disable compilation abort on warning
1279  --disable-stack-protector disable compiler-provided stack protection
1280  --audio-drv-list=LIST    set audio drivers list:
1281                           Available drivers: $audio_possible_drivers
1282  --block-drv-whitelist=L  Same as --block-drv-rw-whitelist=L
1283  --block-drv-rw-whitelist=L
1284                           set block driver read-write whitelist
1285                           (affects only QEMU, not qemu-img)
1286  --block-drv-ro-whitelist=L
1287                           set block driver read-only whitelist
1288                           (affects only QEMU, not qemu-img)
1289  --enable-trace-backends=B Set trace backend
1290                           Available backends: $($python $source_path/scripts/tracetool.py --list-backends)
1291  --with-trace-file=NAME   Full PATH,NAME of file to store traces
1292                           Default:trace-<pid>
1293  --disable-slirp          disable SLIRP userspace network connectivity
1294  --enable-tcg-interpreter enable TCG with bytecode interpreter (TCI)
1295  --oss-lib                path to OSS library
1296  --cpu=CPU                Build for host CPU [$cpu]
1297  --with-coroutine=BACKEND coroutine backend. Supported options:
1298                           gthread, ucontext, sigaltstack, windows
1299  --enable-gcov            enable test coverage analysis with gcov
1300  --gcov=GCOV              use specified gcov [$gcov_tool]
1301  --disable-blobs          disable installing provided firmware blobs
1302  --with-vss-sdk=SDK-path  enable Windows VSS support in QEMU Guest Agent
1303  --with-win-sdk=SDK-path  path to Windows Platform SDK (to build VSS .tlb)
1304
1305Optional features, enabled with --enable-FEATURE and
1306disabled with --disable-FEATURE, default is enabled if available:
1307
1308  system          all system emulation targets
1309  user            supported user emulation targets
1310  linux-user      all linux usermode emulation targets
1311  bsd-user        all BSD usermode emulation targets
1312  docs            build documentation
1313  guest-agent     build the QEMU Guest Agent
1314  guest-agent-msi build guest agent Windows MSI installation package
1315  pie             Position Independent Executables
1316  modules         modules support
1317  debug-tcg       TCG debugging (default is disabled)
1318  debug-info      debugging information
1319  sparse          sparse checker
1320
1321  gnutls          GNUTLS cryptography support
1322  nettle          nettle cryptography support
1323  gcrypt          libgcrypt cryptography support
1324  sdl             SDL UI
1325  --with-sdlabi     select preferred SDL ABI 1.2 or 2.0
1326  gtk             gtk UI
1327  --with-gtkabi     select preferred GTK ABI 2.0 or 3.0
1328  vte             vte support for the gtk UI
1329  curses          curses UI
1330  vnc             VNC UI support
1331  vnc-sasl        SASL encryption for VNC server
1332  vnc-jpeg        JPEG lossy compression for VNC server
1333  vnc-png         PNG compression for VNC server
1334  cocoa           Cocoa UI (Mac OS X only)
1335  virtfs          VirtFS
1336  xen             xen backend driver support
1337  xen-pci-passthrough
1338  brlapi          BrlAPI (Braile)
1339  curl            curl connectivity
1340  fdt             fdt device tree
1341  bluez           bluez stack connectivity
1342  kvm             KVM acceleration support
1343  rdma            RDMA-based migration support
1344  uuid            uuid support
1345  vde             support for vde network
1346  netmap          support for netmap network
1347  linux-aio       Linux AIO support
1348  cap-ng          libcap-ng support
1349  attr            attr and xattr support
1350  vhost-net       vhost-net acceleration support
1351  spice           spice
1352  rbd             rados block device (rbd)
1353  libiscsi        iscsi support
1354  libnfs          nfs support
1355  smartcard       smartcard support (libcacard)
1356  libusb          libusb (for usb passthrough)
1357  usb-redir       usb network redirection support
1358  lzo             support of lzo compression library
1359  snappy          support of snappy compression library
1360  bzip2           support of bzip2 compression library
1361                  (for reading bzip2-compressed dmg images)
1362  seccomp         seccomp support
1363  coroutine-pool  coroutine freelist (better performance)
1364  glusterfs       GlusterFS backend
1365  archipelago     Archipelago backend
1366  tpm             TPM support
1367  libssh2         ssh block device support
1368  vhdx            support for the Microsoft VHDX image format
1369  numa            libnuma support
1370  tcmalloc        tcmalloc support
1371  jemalloc        jemalloc support
1372
1373NOTE: The object files are built at the place where configure is launched
1374EOF
1375exit 0
1376fi
1377
1378# Now we have handled --enable-tcg-interpreter and know we're not just
1379# printing the help message, bail out if the host CPU isn't supported.
1380if test "$ARCH" = "unknown"; then
1381    if test "$tcg_interpreter" = "yes" ; then
1382        echo "Unsupported CPU = $cpu, will use TCG with TCI (experimental)"
1383        ARCH=tci
1384    else
1385        error_exit "Unsupported CPU = $cpu, try --enable-tcg-interpreter"
1386    fi
1387fi
1388
1389# Consult white-list to determine whether to enable werror
1390# by default.  Only enable by default for git builds
1391if test -z "$werror" ; then
1392    if test -d "$source_path/.git" -a \
1393        \( "$linux" = "yes" -o "$mingw32" = "yes" \) ; then
1394        werror="yes"
1395    else
1396        werror="no"
1397    fi
1398fi
1399
1400# check that the C compiler works.
1401write_c_skeleton;
1402if compile_object ; then
1403  : C compiler works ok
1404else
1405    error_exit "\"$cc\" either does not exist or does not work"
1406fi
1407if ! compile_prog ; then
1408    error_exit "\"$cc\" cannot build an executable (is your linker broken?)"
1409fi
1410
1411# Check that the C++ compiler exists and works with the C compiler
1412if has $cxx; then
1413    cat > $TMPC <<EOF
1414int c_function(void);
1415int main(void) { return c_function(); }
1416EOF
1417
1418    compile_object
1419
1420    cat > $TMPCXX <<EOF
1421extern "C" {
1422   int c_function(void);
1423}
1424int c_function(void) { return 42; }
1425EOF
1426
1427    update_cxxflags
1428
1429    if do_cxx $QEMU_CXXFLAGS -o $TMPE $TMPCXX $TMPO $LDFLAGS; then
1430        # C++ compiler $cxx works ok with C compiler $cc
1431        :
1432    else
1433        echo "C++ compiler $cxx does not work with C compiler $cc"
1434        echo "Disabling C++ specific optional code"
1435        cxx=
1436    fi
1437else
1438    echo "No C++ compiler available; disabling C++ specific optional code"
1439    cxx=
1440fi
1441
1442gcc_flags="-Wold-style-declaration -Wold-style-definition -Wtype-limits"
1443gcc_flags="-Wformat-security -Wformat-y2k -Winit-self -Wignored-qualifiers $gcc_flags"
1444gcc_flags="-Wmissing-include-dirs -Wempty-body -Wnested-externs $gcc_flags"
1445gcc_flags="-Wendif-labels $gcc_flags"
1446gcc_flags="-Wno-initializer-overrides $gcc_flags"
1447gcc_flags="-Wno-string-plus-int $gcc_flags"
1448# Note that we do not add -Werror to gcc_flags here, because that would
1449# enable it for all configure tests. If a configure test failed due
1450# to -Werror this would just silently disable some features,
1451# so it's too error prone.
1452
1453cc_has_warning_flag() {
1454    write_c_skeleton;
1455
1456    # Use the positive sense of the flag when testing for -Wno-wombat
1457    # support (gcc will happily accept the -Wno- form of unknown
1458    # warning options).
1459    optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')"
1460    compile_prog "-Werror $optflag" ""
1461}
1462
1463for flag in $gcc_flags; do
1464    if cc_has_warning_flag $flag ; then
1465        QEMU_CFLAGS="$QEMU_CFLAGS $flag"
1466    fi
1467done
1468
1469if test "$stack_protector" != "no"; then
1470  cat > $TMPC << EOF
1471int main(int argc, char *argv[])
1472{
1473    char arr[64], *p = arr, *c = argv[0];
1474    while (*c) {
1475        *p++ = *c++;
1476    }
1477    return 0;
1478}
1479EOF
1480  gcc_flags="-fstack-protector-strong -fstack-protector-all"
1481  sp_on=0
1482  for flag in $gcc_flags; do
1483    # We need to check both a compile and a link, since some compiler
1484    # setups fail only on a .c->.o compile and some only at link time
1485    if do_cc $QEMU_CFLAGS -Werror $flag -c -o $TMPO $TMPC &&
1486       compile_prog "-Werror $flag" ""; then
1487      QEMU_CFLAGS="$QEMU_CFLAGS $flag"
1488      sp_on=1
1489      break
1490    fi
1491  done
1492  if test "$stack_protector" = yes; then
1493    if test $sp_on = 0; then
1494      error_exit "Stack protector not supported"
1495    fi
1496  fi
1497fi
1498
1499# Workaround for http://gcc.gnu.org/PR55489.  Happens with -fPIE/-fPIC and
1500# large functions that use global variables.  The bug is in all releases of
1501# GCC, but it became particularly acute in 4.6.x and 4.7.x.  It is fixed in
1502# 4.7.3 and 4.8.0.  We should be able to delete this at the end of 2013.
1503cat > $TMPC << EOF
1504#if __GNUC__ == 4 && (__GNUC_MINOR__ == 6 || (__GNUC_MINOR__ == 7 && __GNUC_PATCHLEVEL__ <= 2))
1505int main(void) { return 0; }
1506#else
1507#error No bug in this compiler.
1508#endif
1509EOF
1510if compile_prog "-Werror -fno-gcse" "" ; then
1511  TRANSLATE_OPT_CFLAGS=-fno-gcse
1512fi
1513
1514if test "$static" = "yes" ; then
1515  if test "$modules" = "yes" ; then
1516    error_exit "static and modules are mutually incompatible"
1517  fi
1518  if test "$pie" = "yes" ; then
1519    error_exit "static and pie are mutually incompatible"
1520  else
1521    pie="no"
1522  fi
1523fi
1524
1525# Unconditional check for compiler __thread support
1526  cat > $TMPC << EOF
1527static __thread int tls_var;
1528int main(void) { return tls_var; }
1529EOF
1530
1531if ! compile_prog "-Werror" "" ; then
1532    error_exit "Your compiler does not support the __thread specifier for " \
1533	"Thread-Local Storage (TLS). Please upgrade to a version that does."
1534fi
1535
1536if test "$pie" = ""; then
1537  case "$cpu-$targetos" in
1538    i386-Linux|x86_64-Linux|x32-Linux|i386-OpenBSD|x86_64-OpenBSD)
1539      ;;
1540    *)
1541      pie="no"
1542      ;;
1543  esac
1544fi
1545
1546if test "$pie" != "no" ; then
1547  cat > $TMPC << EOF
1548
1549#ifdef __linux__
1550#  define THREAD __thread
1551#else
1552#  define THREAD
1553#endif
1554
1555static THREAD int tls_var;
1556
1557int main(void) { return tls_var; }
1558
1559EOF
1560  if compile_prog "-fPIE -DPIE" "-pie"; then
1561    QEMU_CFLAGS="-fPIE -DPIE $QEMU_CFLAGS"
1562    LDFLAGS="-pie $LDFLAGS"
1563    pie="yes"
1564    if compile_prog "" "-Wl,-z,relro -Wl,-z,now" ; then
1565      LDFLAGS="-Wl,-z,relro -Wl,-z,now $LDFLAGS"
1566    fi
1567  else
1568    if test "$pie" = "yes"; then
1569      error_exit "PIE not available due to missing toolchain support"
1570    else
1571      echo "Disabling PIE due to missing toolchain support"
1572      pie="no"
1573    fi
1574  fi
1575
1576  if compile_prog "-Werror -fno-pie" "-nopie"; then
1577    CFLAGS_NOPIE="-fno-pie"
1578    LDFLAGS_NOPIE="-nopie"
1579  fi
1580fi
1581
1582##########################################
1583# __sync_fetch_and_and requires at least -march=i486. Many toolchains
1584# use i686 as default anyway, but for those that don't, an explicit
1585# specification is necessary
1586
1587if test "$cpu" = "i386"; then
1588  cat > $TMPC << EOF
1589static int sfaa(int *ptr)
1590{
1591  return __sync_fetch_and_and(ptr, 0);
1592}
1593
1594int main(void)
1595{
1596  int val = 42;
1597  val = __sync_val_compare_and_swap(&val, 0, 1);
1598  sfaa(&val);
1599  return val;
1600}
1601EOF
1602  if ! compile_prog "" "" ; then
1603    QEMU_CFLAGS="-march=i486 $QEMU_CFLAGS"
1604  fi
1605fi
1606
1607#########################################
1608# Solaris specific configure tool chain decisions
1609
1610if test "$solaris" = "yes" ; then
1611  if has $install; then
1612    :
1613  else
1614    error_exit "Solaris install program not found. Use --install=/usr/ucb/install or" \
1615        "install fileutils from www.blastwave.org using pkg-get -i fileutils" \
1616        "to get ginstall which is used by default (which lives in /opt/csw/bin)"
1617  fi
1618  if test "$(path_of $install)" = "/usr/sbin/install" ; then
1619    error_exit "Solaris /usr/sbin/install is not an appropriate install program." \
1620        "try ginstall from the GNU fileutils available from www.blastwave.org" \
1621        "using pkg-get -i fileutils, or use --install=/usr/ucb/install"
1622  fi
1623  if has ar; then
1624    :
1625  else
1626    if test -f /usr/ccs/bin/ar ; then
1627      error_exit "No path includes ar" \
1628          "Add /usr/ccs/bin to your path and rerun configure"
1629    fi
1630    error_exit "No path includes ar"
1631  fi
1632fi
1633
1634if test -z "${target_list+xxx}" ; then
1635    target_list="$default_target_list"
1636else
1637    target_list=$(echo "$target_list" | sed -e 's/,/ /g')
1638fi
1639
1640# Check that we recognised the target name; this allows a more
1641# friendly error message than if we let it fall through.
1642for target in $target_list; do
1643    case " $default_target_list " in
1644        *" $target "*)
1645            ;;
1646        *)
1647            error_exit "Unknown target name '$target'"
1648            ;;
1649    esac
1650done
1651
1652# see if system emulation was really requested
1653case " $target_list " in
1654  *"-softmmu "*) softmmu=yes
1655  ;;
1656  *) softmmu=no
1657  ;;
1658esac
1659
1660feature_not_found() {
1661  feature=$1
1662  remedy=$2
1663
1664  error_exit "User requested feature $feature" \
1665      "configure was not able to find it." \
1666      "$remedy"
1667}
1668
1669# ---
1670# big/little endian test
1671cat > $TMPC << EOF
1672short big_endian[] = { 0x4269, 0x4765, 0x4e64, 0x4961, 0x4e00, 0, };
1673short little_endian[] = { 0x694c, 0x7454, 0x654c, 0x6e45, 0x6944, 0x6e41, 0, };
1674extern int foo(short *, short *);
1675int main(int argc, char *argv[]) {
1676    return foo(big_endian, little_endian);
1677}
1678EOF
1679
1680if compile_object ; then
1681    if grep -q BiGeNdIaN $TMPO ; then
1682        bigendian="yes"
1683    elif grep -q LiTtLeEnDiAn $TMPO ; then
1684        bigendian="no"
1685    else
1686        echo big/little test failed
1687    fi
1688else
1689    echo big/little test failed
1690fi
1691
1692##########################################
1693# cocoa implies not SDL or GTK
1694# (the cocoa UI code currently assumes it is always the active UI
1695# and doesn't interact well with other UI frontend code)
1696if test "$cocoa" = "yes"; then
1697    if test "$sdl" = "yes"; then
1698        error_exit "Cocoa and SDL UIs cannot both be enabled at once"
1699    fi
1700    if test "$gtk" = "yes"; then
1701        error_exit "Cocoa and GTK UIs cannot both be enabled at once"
1702    fi
1703    gtk=no
1704    sdl=no
1705fi
1706
1707##########################################
1708# L2TPV3 probe
1709
1710cat > $TMPC <<EOF
1711#include <sys/socket.h>
1712#include <linux/ip.h>
1713int main(void) { return sizeof(struct mmsghdr); }
1714EOF
1715if compile_prog "" "" ; then
1716  l2tpv3=yes
1717else
1718  l2tpv3=no
1719fi
1720
1721##########################################
1722# MinGW / Mingw-w64 localtime_r/gmtime_r check
1723
1724if test "$mingw32" = "yes"; then
1725    # Some versions of MinGW / Mingw-w64 lack localtime_r
1726    # and gmtime_r entirely.
1727    #
1728    # Some versions of Mingw-w64 define a macro for
1729    # localtime_r/gmtime_r.
1730    #
1731    # Some versions of Mingw-w64 will define functions
1732    # for localtime_r/gmtime_r, but only if you have
1733    # _POSIX_THREAD_SAFE_FUNCTIONS defined. For fun
1734    # though, unistd.h and pthread.h both define
1735    # that for you.
1736    #
1737    # So this #undef localtime_r and #include <unistd.h>
1738    # are not in fact redundant.
1739cat > $TMPC << EOF
1740#include <unistd.h>
1741#include <time.h>
1742#undef localtime_r
1743int main(void) { localtime_r(NULL, NULL); return 0; }
1744EOF
1745    if compile_prog "" "" ; then
1746        localtime_r="yes"
1747    else
1748        localtime_r="no"
1749    fi
1750fi
1751
1752##########################################
1753# pkg-config probe
1754
1755if ! has "$pkg_config_exe"; then
1756  error_exit "pkg-config binary '$pkg_config_exe' not found"
1757fi
1758
1759##########################################
1760# NPTL probe
1761
1762if test "$linux_user" = "yes"; then
1763  cat > $TMPC <<EOF
1764#include <sched.h>
1765#include <linux/futex.h>
1766int main(void) {
1767#if !defined(CLONE_SETTLS) || !defined(FUTEX_WAIT)
1768#error bork
1769#endif
1770  return 0;
1771}
1772EOF
1773  if ! compile_object ; then
1774    feature_not_found "nptl" "Install glibc and linux kernel headers."
1775  fi
1776fi
1777
1778##########################################
1779# avx2 optimization requirement check
1780
1781cat > $TMPC << EOF
1782#pragma GCC push_options
1783#pragma GCC target("avx2")
1784#include <cpuid.h>
1785#include <immintrin.h>
1786
1787static int bar(void *a) {
1788    return _mm256_movemask_epi8(_mm256_cmpeq_epi8(*(__m256i *)a, (__m256i){0}));
1789}
1790static void *bar_ifunc(void) {return (void*) bar;}
1791int foo(void *a) __attribute__((ifunc("bar_ifunc")));
1792int main(int argc, char *argv[]) { return foo(argv[0]);}
1793EOF
1794if compile_object "" ; then
1795    if readelf --syms $TMPO |grep "IFUNC.*foo" >/dev/null 2>&1; then
1796        avx2_opt="yes"
1797    fi
1798fi
1799
1800#########################################
1801# zlib check
1802
1803if test "$zlib" != "no" ; then
1804    cat > $TMPC << EOF
1805#include <zlib.h>
1806int main(void) { zlibVersion(); return 0; }
1807EOF
1808    if compile_prog "" "-lz" ; then
1809        :
1810    else
1811        error_exit "zlib check failed" \
1812            "Make sure to have the zlib libs and headers installed."
1813    fi
1814fi
1815LIBS="$LIBS -lz"
1816
1817##########################################
1818# lzo check
1819
1820if test "$lzo" != "no" ; then
1821    cat > $TMPC << EOF
1822#include <lzo/lzo1x.h>
1823int main(void) { lzo_version(); return 0; }
1824EOF
1825    if compile_prog "" "-llzo2" ; then
1826        libs_softmmu="$libs_softmmu -llzo2"
1827        lzo="yes"
1828    else
1829        if test "$lzo" = "yes"; then
1830            feature_not_found "liblzo2" "Install liblzo2 devel"
1831        fi
1832        lzo="no"
1833    fi
1834fi
1835
1836##########################################
1837# snappy check
1838
1839if test "$snappy" != "no" ; then
1840    cat > $TMPC << EOF
1841#include <snappy-c.h>
1842int main(void) { snappy_max_compressed_length(4096); return 0; }
1843EOF
1844    if compile_prog "" "-lsnappy" ; then
1845        libs_softmmu="$libs_softmmu -lsnappy"
1846        snappy="yes"
1847    else
1848        if test "$snappy" = "yes"; then
1849            feature_not_found "libsnappy" "Install libsnappy devel"
1850        fi
1851        snappy="no"
1852    fi
1853fi
1854
1855##########################################
1856# bzip2 check
1857
1858if test "$bzip2" != "no" ; then
1859    cat > $TMPC << EOF
1860#include <bzlib.h>
1861int main(void) { BZ2_bzlibVersion(); return 0; }
1862EOF
1863    if compile_prog "" "-lbz2" ; then
1864        bzip2="yes"
1865    else
1866        if test "$bzip2" = "yes"; then
1867            feature_not_found "libbzip2" "Install libbzip2 devel"
1868        fi
1869        bzip2="no"
1870    fi
1871fi
1872
1873##########################################
1874# libseccomp check
1875
1876if test "$seccomp" != "no" ; then
1877    case "$cpu" in
1878    i386|x86_64)
1879        libseccomp_minver="2.1.0"
1880        ;;
1881    mips)
1882        libseccomp_minver="2.2.0"
1883        ;;
1884    arm|aarch64)
1885        libseccomp_minver="2.2.3"
1886        ;;
1887    ppc|ppc64)
1888        libseccomp_minver="2.3.0"
1889        ;;
1890    *)
1891        libseccomp_minver=""
1892        ;;
1893    esac
1894
1895    if test "$libseccomp_minver" != "" &&
1896       $pkg_config --atleast-version=$libseccomp_minver libseccomp ; then
1897        libs_softmmu="$libs_softmmu $($pkg_config --libs libseccomp)"
1898        QEMU_CFLAGS="$QEMU_CFLAGS $($pkg_config --cflags libseccomp)"
1899        seccomp="yes"
1900    else
1901        if test "$seccomp" = "yes" ; then
1902            if test "$libseccomp_minver" != "" ; then
1903                feature_not_found "libseccomp" \
1904                    "Install libseccomp devel >= $libseccomp_minver"
1905            else
1906                feature_not_found "libseccomp" \
1907                    "libseccomp is not supported for host cpu $cpu"
1908            fi
1909        fi
1910        seccomp="no"
1911    fi
1912fi
1913##########################################
1914# xen probe
1915
1916if test "$xen" != "no" ; then
1917  xen_libs="-lxenstore -lxenctrl -lxenguest"
1918  xen_stable_libs="-lxenforeignmemory -lxengnttab -lxenevtchn"
1919
1920  # First we test whether Xen headers and libraries are available.
1921  # If no, we are done and there is no Xen support.
1922  # If yes, more tests are run to detect the Xen version.
1923
1924  # Xen (any)
1925  cat > $TMPC <<EOF
1926#include <xenctrl.h>
1927int main(void) {
1928  return 0;
1929}
1930EOF
1931  if ! compile_prog "" "$xen_libs" ; then
1932    # Xen not found
1933    if test "$xen" = "yes" ; then
1934      feature_not_found "xen" "Install xen devel"
1935    fi
1936    xen=no
1937
1938  # Xen unstable
1939  elif
1940      cat > $TMPC <<EOF &&
1941/*
1942 * If we have stable libs the we don't want the libxc compat
1943 * layers, regardless of what CFLAGS we may have been given.
1944 */
1945#undef XC_WANT_COMPAT_EVTCHN_API
1946#undef XC_WANT_COMPAT_GNTTAB_API
1947#undef XC_WANT_COMPAT_MAP_FOREIGN_API
1948#include <xenctrl.h>
1949#include <xenstore.h>
1950#include <xenevtchn.h>
1951#include <xengnttab.h>
1952#include <xenforeignmemory.h>
1953#include <stdint.h>
1954#include <xen/hvm/hvm_info_table.h>
1955#if !defined(HVM_MAX_VCPUS)
1956# error HVM_MAX_VCPUS not defined
1957#endif
1958int main(void) {
1959  xc_interface *xc = NULL;
1960  xenforeignmemory_handle *xfmem;
1961  xenevtchn_handle *xe;
1962  xengnttab_handle *xg;
1963  xen_domain_handle_t handle;
1964
1965  xs_daemon_open();
1966
1967  xc = xc_interface_open(0, 0, 0);
1968  xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
1969  xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
1970  xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
1971  xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
1972  xc_domain_create(xc, 0, handle, 0, NULL, NULL);
1973
1974  xfmem = xenforeignmemory_open(0, 0);
1975  xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
1976
1977  xe = xenevtchn_open(0, 0);
1978  xenevtchn_fd(xe);
1979
1980  xg = xengnttab_open(0, 0);
1981  xengnttab_map_grant_ref(xg, 0, 0, 0);
1982
1983  return 0;
1984}
1985EOF
1986      compile_prog "" "$xen_libs $xen_stable_libs"
1987    then
1988    xen_ctrl_version=471
1989    xen=yes
1990  elif
1991      cat > $TMPC <<EOF &&
1992#include <xenctrl.h>
1993#include <stdint.h>
1994int main(void) {
1995  xc_interface *xc = NULL;
1996  xen_domain_handle_t handle;
1997  xc_domain_create(xc, 0, handle, 0, NULL, NULL);
1998  return 0;
1999}
2000EOF
2001      compile_prog "" "$xen_libs"
2002    then
2003    xen_ctrl_version=470
2004    xen=yes
2005
2006  # Xen 4.6
2007  elif
2008      cat > $TMPC <<EOF &&
2009#include <xenctrl.h>
2010#include <xenstore.h>
2011#include <stdint.h>
2012#include <xen/hvm/hvm_info_table.h>
2013#if !defined(HVM_MAX_VCPUS)
2014# error HVM_MAX_VCPUS not defined
2015#endif
2016int main(void) {
2017  xc_interface *xc;
2018  xs_daemon_open();
2019  xc = xc_interface_open(0, 0, 0);
2020  xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2021  xc_gnttab_open(NULL, 0);
2022  xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2023  xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2024  xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
2025  xc_reserved_device_memory_map(xc, 0, 0, 0, 0, NULL, 0);
2026  return 0;
2027}
2028EOF
2029      compile_prog "" "$xen_libs"
2030    then
2031    xen_ctrl_version=460
2032    xen=yes
2033
2034  # Xen 4.5
2035  elif
2036      cat > $TMPC <<EOF &&
2037#include <xenctrl.h>
2038#include <xenstore.h>
2039#include <stdint.h>
2040#include <xen/hvm/hvm_info_table.h>
2041#if !defined(HVM_MAX_VCPUS)
2042# error HVM_MAX_VCPUS not defined
2043#endif
2044int main(void) {
2045  xc_interface *xc;
2046  xs_daemon_open();
2047  xc = xc_interface_open(0, 0, 0);
2048  xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2049  xc_gnttab_open(NULL, 0);
2050  xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2051  xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2052  xc_hvm_create_ioreq_server(xc, 0, 0, NULL);
2053  return 0;
2054}
2055EOF
2056      compile_prog "" "$xen_libs"
2057    then
2058    xen_ctrl_version=450
2059    xen=yes
2060
2061  elif
2062      cat > $TMPC <<EOF &&
2063#include <xenctrl.h>
2064#include <xenstore.h>
2065#include <stdint.h>
2066#include <xen/hvm/hvm_info_table.h>
2067#if !defined(HVM_MAX_VCPUS)
2068# error HVM_MAX_VCPUS not defined
2069#endif
2070int main(void) {
2071  xc_interface *xc;
2072  xs_daemon_open();
2073  xc = xc_interface_open(0, 0, 0);
2074  xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
2075  xc_gnttab_open(NULL, 0);
2076  xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
2077  xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
2078  return 0;
2079}
2080EOF
2081      compile_prog "" "$xen_libs"
2082    then
2083    xen_ctrl_version=420
2084    xen=yes
2085
2086  else
2087    if test "$xen" = "yes" ; then
2088      feature_not_found "xen (unsupported version)" \
2089                        "Install a supported xen (xen 4.2 or newer)"
2090    fi
2091    xen=no
2092  fi
2093
2094  if test "$xen" = yes; then
2095    if test $xen_ctrl_version -ge 471  ; then
2096      libs_softmmu="$xen_stable_libs $libs_softmmu"
2097    fi
2098    libs_softmmu="$xen_libs $libs_softmmu"
2099  fi
2100fi
2101
2102if test "$xen_pci_passthrough" != "no"; then
2103  if test "$xen" = "yes" && test "$linux" = "yes"; then
2104    xen_pci_passthrough=yes
2105  else
2106    if test "$xen_pci_passthrough" = "yes"; then
2107      error_exit "User requested feature Xen PCI Passthrough" \
2108          " but this feature requires /sys from Linux"
2109    fi
2110    xen_pci_passthrough=no
2111  fi
2112fi
2113
2114if test "$xen_pv_domain_build" = "yes" &&
2115   test "$xen" != "yes"; then
2116    error_exit "User requested Xen PV domain builder support" \
2117	       "which requires Xen support."
2118fi
2119
2120##########################################
2121# Sparse probe
2122if test "$sparse" != "no" ; then
2123  if has cgcc; then
2124    sparse=yes
2125  else
2126    if test "$sparse" = "yes" ; then
2127      feature_not_found "sparse" "Install sparse binary"
2128    fi
2129    sparse=no
2130  fi
2131fi
2132
2133##########################################
2134# X11 probe
2135x11_cflags=
2136x11_libs=-lX11
2137if $pkg_config --exists "x11"; then
2138    x11_cflags=$($pkg_config --cflags x11)
2139    x11_libs=$($pkg_config --libs x11)
2140fi
2141
2142##########################################
2143# GTK probe
2144
2145if test "$gtkabi" = ""; then
2146    # The GTK ABI was not specified explicitly, so try whether 2.0 is available.
2147    # Use 3.0 as a fallback if that is available.
2148    if $pkg_config --exists "gtk+-2.0 >= 2.18.0"; then
2149        gtkabi=2.0
2150    elif $pkg_config --exists "gtk+-3.0 >= 3.0.0"; then
2151        gtkabi=3.0
2152    else
2153        gtkabi=2.0
2154    fi
2155fi
2156
2157if test "$gtk" != "no"; then
2158    gtkpackage="gtk+-$gtkabi"
2159    gtkx11package="gtk+-x11-$gtkabi"
2160    if test "$gtkabi" = "3.0" ; then
2161      gtkversion="3.0.0"
2162    else
2163      gtkversion="2.18.0"
2164    fi
2165    if $pkg_config --exists "$gtkpackage >= $gtkversion"; then
2166        gtk_cflags=$($pkg_config --cflags $gtkpackage)
2167        gtk_libs=$($pkg_config --libs $gtkpackage)
2168        gtk_version=$($pkg_config --modversion $gtkpackage)
2169        if $pkg_config --exists "$gtkx11package >= $gtkversion"; then
2170            gtk_cflags="$gtk_cflags $x11_cflags"
2171            gtk_libs="$gtk_libs $x11_libs"
2172        fi
2173        libs_softmmu="$gtk_libs $libs_softmmu"
2174        gtk="yes"
2175    elif test "$gtk" = "yes"; then
2176        feature_not_found "gtk" "Install gtk2 or gtk3 devel"
2177    else
2178        gtk="no"
2179    fi
2180fi
2181
2182
2183##########################################
2184# GNUTLS probe
2185
2186gnutls_works() {
2187    # Unfortunately some distros have bad pkg-config information for gnutls
2188    # such that it claims to exist but you get a compiler error if you try
2189    # to use the options returned by --libs. Specifically, Ubuntu for --static
2190    # builds doesn't work:
2191    # https://bugs.launchpad.net/ubuntu/+source/gnutls26/+bug/1478035
2192    #
2193    # So sanity check the cflags/libs before assuming gnutls can be used.
2194    if ! $pkg_config --exists "gnutls"; then
2195        return 1
2196    fi
2197
2198    write_c_skeleton
2199    compile_prog "$($pkg_config --cflags gnutls)" "$($pkg_config --libs gnutls)"
2200}
2201
2202gnutls_gcrypt=no
2203gnutls_nettle=no
2204if test "$gnutls" != "no"; then
2205    if gnutls_works; then
2206        gnutls_cflags=$($pkg_config --cflags gnutls)
2207        gnutls_libs=$($pkg_config --libs gnutls)
2208        libs_softmmu="$gnutls_libs $libs_softmmu"
2209        libs_tools="$gnutls_libs $libs_tools"
2210	QEMU_CFLAGS="$QEMU_CFLAGS $gnutls_cflags"
2211        gnutls="yes"
2212
2213	# gnutls_hash_init requires >= 2.9.10
2214	if $pkg_config --exists "gnutls >= 2.9.10"; then
2215            gnutls_hash="yes"
2216	else
2217	    gnutls_hash="no"
2218	fi
2219
2220	# gnutls_rnd requires >= 2.11.0
2221	if $pkg_config --exists "gnutls >= 2.11.0"; then
2222	    gnutls_rnd="yes"
2223	else
2224	    gnutls_rnd="no"
2225	fi
2226
2227	if $pkg_config --exists 'gnutls >= 3.0'; then
2228	    gnutls_gcrypt=no
2229	    gnutls_nettle=yes
2230	elif $pkg_config --exists 'gnutls >= 2.12'; then
2231	    case $($pkg_config --libs --static gnutls) in
2232		*gcrypt*)
2233		    gnutls_gcrypt=yes
2234		    gnutls_nettle=no
2235		    ;;
2236		*nettle*)
2237		    gnutls_gcrypt=no
2238		    gnutls_nettle=yes
2239		    ;;
2240		*)
2241		    gnutls_gcrypt=yes
2242		    gnutls_nettle=no
2243		    ;;
2244	    esac
2245	else
2246	    gnutls_gcrypt=yes
2247	    gnutls_nettle=no
2248	fi
2249    elif test "$gnutls" = "yes"; then
2250	feature_not_found "gnutls" "Install gnutls devel"
2251    else
2252        gnutls="no"
2253        gnutls_hash="no"
2254        gnutls_rnd="no"
2255    fi
2256else
2257    gnutls_hash="no"
2258    gnutls_rnd="no"
2259fi
2260
2261
2262# If user didn't give a --disable/enable-gcrypt flag,
2263# then mark as disabled if user requested nettle
2264# explicitly, or if gnutls links to nettle
2265if test -z "$gcrypt"
2266then
2267    if test "$nettle" = "yes" || test "$gnutls_nettle" = "yes"
2268    then
2269        gcrypt="no"
2270    fi
2271fi
2272
2273# If user didn't give a --disable/enable-nettle flag,
2274# then mark as disabled if user requested gcrypt
2275# explicitly, or if gnutls links to gcrypt
2276if test -z "$nettle"
2277then
2278    if test "$gcrypt" = "yes" || test "$gnutls_gcrypt" = "yes"
2279    then
2280        nettle="no"
2281    fi
2282fi
2283
2284has_libgcrypt_config() {
2285    if ! has "libgcrypt-config"
2286    then
2287	return 1
2288    fi
2289
2290    if test -n "$cross_prefix"
2291    then
2292	host=$(libgcrypt-config --host)
2293	if test "$host-" != $cross_prefix
2294	then
2295	    return 1
2296	fi
2297    fi
2298
2299    return 0
2300}
2301
2302if test "$gcrypt" != "no"; then
2303    if has_libgcrypt_config; then
2304        gcrypt_cflags=$(libgcrypt-config --cflags)
2305        gcrypt_libs=$(libgcrypt-config --libs)
2306        # Debian has remove -lgpg-error from libgcrypt-config
2307        # as it "spreads unnecessary dependencies" which in
2308        # turn breaks static builds...
2309        if test "$static" = "yes"
2310        then
2311            gcrypt_libs="$gcrypt_libs -lgpg-error"
2312        fi
2313        libs_softmmu="$gcrypt_libs $libs_softmmu"
2314        libs_tools="$gcrypt_libs $libs_tools"
2315        QEMU_CFLAGS="$QEMU_CFLAGS $gcrypt_cflags"
2316        gcrypt="yes"
2317        if test -z "$nettle"; then
2318           nettle="no"
2319        fi
2320
2321        cat > $TMPC << EOF
2322#include <gcrypt.h>
2323int main(void) {
2324  gcry_kdf_derive(NULL, 0, GCRY_KDF_PBKDF2,
2325                  GCRY_MD_SHA256,
2326                  NULL, 0, 0, 0, NULL);
2327 return 0;
2328}
2329EOF
2330        if compile_prog "$gcrypt_cflags" "$gcrypt_libs" ; then
2331            gcrypt_kdf=yes
2332        fi
2333    else
2334        if test "$gcrypt" = "yes"; then
2335            feature_not_found "gcrypt" "Install gcrypt devel"
2336        else
2337            gcrypt="no"
2338        fi
2339    fi
2340fi
2341
2342
2343if test "$nettle" != "no"; then
2344    if $pkg_config --exists "nettle"; then
2345        nettle_cflags=$($pkg_config --cflags nettle)
2346        nettle_libs=$($pkg_config --libs nettle)
2347        nettle_version=$($pkg_config --modversion nettle)
2348        libs_softmmu="$nettle_libs $libs_softmmu"
2349        libs_tools="$nettle_libs $libs_tools"
2350        QEMU_CFLAGS="$QEMU_CFLAGS $nettle_cflags"
2351        nettle="yes"
2352
2353        cat > $TMPC << EOF
2354#include <stddef.h>
2355#include <nettle/pbkdf2.h>
2356int main(void) {
2357     pbkdf2_hmac_sha256(8, NULL, 1000, 8, NULL, 8, NULL);
2358     return 0;
2359}
2360EOF
2361        if compile_prog "$nettle_cflags" "$nettle_libs" ; then
2362            nettle_kdf=yes
2363        fi
2364    else
2365        if test "$nettle" = "yes"; then
2366            feature_not_found "nettle" "Install nettle devel"
2367        else
2368            nettle="no"
2369        fi
2370    fi
2371fi
2372
2373if test "$gcrypt" = "yes" && test "$nettle" = "yes"
2374then
2375    error_exit "Only one of gcrypt & nettle can be enabled"
2376fi
2377
2378##########################################
2379# libtasn1 - only for the TLS creds/session test suite
2380
2381tasn1=yes
2382tasn1_cflags=""
2383tasn1_libs=""
2384if $pkg_config --exists "libtasn1"; then
2385    tasn1_cflags=$($pkg_config --cflags libtasn1)
2386    tasn1_libs=$($pkg_config --libs libtasn1)
2387else
2388    tasn1=no
2389fi
2390
2391
2392##########################################
2393# getifaddrs (for tests/test-io-channel-socket )
2394
2395have_ifaddrs_h=yes
2396if ! check_include "ifaddrs.h" ; then
2397  have_ifaddrs_h=no
2398fi
2399
2400##########################################
2401# VTE probe
2402
2403if test "$vte" != "no"; then
2404    if test "$gtkabi" = "3.0"; then
2405      vteminversion="0.32.0"
2406      if $pkg_config --exists "vte-2.91"; then
2407        vtepackage="vte-2.91"
2408      else
2409        vtepackage="vte-2.90"
2410      fi
2411    else
2412      vtepackage="vte"
2413      vteminversion="0.24.0"
2414    fi
2415    if $pkg_config --exists "$vtepackage >= $vteminversion"; then
2416        vte_cflags=$($pkg_config --cflags $vtepackage)
2417        vte_libs=$($pkg_config --libs $vtepackage)
2418        vteversion=$($pkg_config --modversion $vtepackage)
2419        libs_softmmu="$vte_libs $libs_softmmu"
2420        vte="yes"
2421    elif test "$vte" = "yes"; then
2422        if test "$gtkabi" = "3.0"; then
2423            feature_not_found "vte" "Install libvte-2.90/2.91 devel"
2424        else
2425            feature_not_found "vte" "Install libvte devel"
2426        fi
2427    else
2428        vte="no"
2429    fi
2430fi
2431
2432##########################################
2433# SDL probe
2434
2435# Look for sdl configuration program (pkg-config or sdl-config).  Try
2436# sdl-config even without cross prefix, and favour pkg-config over sdl-config.
2437
2438if test "$sdlabi" = ""; then
2439    if $pkg_config --exists "sdl"; then
2440        sdlabi=1.2
2441    elif $pkg_config --exists "sdl2"; then
2442        sdlabi=2.0
2443    else
2444        sdlabi=1.2
2445    fi
2446fi
2447
2448if test $sdlabi = "2.0"; then
2449    sdl_config=$sdl2_config
2450    sdlname=sdl2
2451    sdlconfigname=sdl2_config
2452elif test $sdlabi = "1.2"; then
2453    sdlname=sdl
2454    sdlconfigname=sdl_config
2455else
2456    error_exit "Unknown sdlabi $sdlabi, must be 1.2 or 2.0"
2457fi
2458
2459if test "$(basename $sdl_config)" != $sdlconfigname && ! has ${sdl_config}; then
2460  sdl_config=$sdlconfigname
2461fi
2462
2463if $pkg_config $sdlname --exists; then
2464  sdlconfig="$pkg_config $sdlname"
2465  sdlversion=$($sdlconfig --modversion 2>/dev/null)
2466elif has ${sdl_config}; then
2467  sdlconfig="$sdl_config"
2468  sdlversion=$($sdlconfig --version)
2469else
2470  if test "$sdl" = "yes" ; then
2471    feature_not_found "sdl" "Install SDL devel"
2472  fi
2473  sdl=no
2474fi
2475if test -n "$cross_prefix" && test "$(basename "$sdlconfig")" = sdl-config; then
2476  echo warning: using "\"$sdlconfig\"" to detect cross-compiled sdl >&2
2477fi
2478
2479sdl_too_old=no
2480if test "$sdl" != "no" ; then
2481  cat > $TMPC << EOF
2482#include <SDL.h>
2483#undef main /* We don't want SDL to override our main() */
2484int main( void ) { return SDL_Init (SDL_INIT_VIDEO); }
2485EOF
2486  sdl_cflags=$($sdlconfig --cflags 2>/dev/null)
2487  if test "$static" = "yes" ; then
2488    sdl_libs=$($sdlconfig --static-libs 2>/dev/null)
2489  else
2490    sdl_libs=$($sdlconfig --libs 2>/dev/null)
2491  fi
2492  if compile_prog "$sdl_cflags" "$sdl_libs" ; then
2493    if test $(echo $sdlversion | sed 's/[^0-9]//g') -lt 121 ; then
2494      sdl_too_old=yes
2495    else
2496      sdl=yes
2497    fi
2498
2499    # static link with sdl ? (note: sdl.pc's --static --libs is broken)
2500    if test "$sdl" = "yes" -a "$static" = "yes" ; then
2501      if test $? = 0 && echo $sdl_libs | grep -- -laa > /dev/null; then
2502         sdl_libs="$sdl_libs $(aalib-config --static-libs 2>/dev/null)"
2503         sdl_cflags="$sdl_cflags $(aalib-config --cflags 2>/dev/null)"
2504      fi
2505      if compile_prog "$sdl_cflags" "$sdl_libs" ; then
2506	:
2507      else
2508        sdl=no
2509      fi
2510    fi # static link
2511  else # sdl not found
2512    if test "$sdl" = "yes" ; then
2513      feature_not_found "sdl" "Install SDL devel"
2514    fi
2515    sdl=no
2516  fi # sdl compile test
2517fi
2518
2519if test "$sdl" = "yes" ; then
2520  cat > $TMPC <<EOF
2521#include <SDL.h>
2522#if defined(SDL_VIDEO_DRIVER_X11)
2523#include <X11/XKBlib.h>
2524#else
2525#error No x11 support
2526#endif
2527int main(void) { return 0; }
2528EOF
2529  if compile_prog "$sdl_cflags $x11_cflags" "$sdl_libs $x11_libs" ; then
2530    sdl_cflags="$sdl_cflags $x11_cflags"
2531    sdl_libs="$sdl_libs $x11_libs"
2532  fi
2533  libs_softmmu="$sdl_libs $libs_softmmu"
2534fi
2535
2536##########################################
2537# RDMA needs OpenFabrics libraries
2538if test "$rdma" != "no" ; then
2539  cat > $TMPC <<EOF
2540#include <rdma/rdma_cma.h>
2541int main(void) { return 0; }
2542EOF
2543  rdma_libs="-lrdmacm -libverbs"
2544  if compile_prog "" "$rdma_libs" ; then
2545    rdma="yes"
2546    libs_softmmu="$libs_softmmu $rdma_libs"
2547  else
2548    if test "$rdma" = "yes" ; then
2549        error_exit \
2550            " OpenFabrics librdmacm/libibverbs not present." \
2551            " Your options:" \
2552            "  (1) Fast: Install infiniband packages from your distro." \
2553            "  (2) Cleanest: Install libraries from www.openfabrics.org" \
2554            "  (3) Also: Install softiwarp if you don't have RDMA hardware"
2555    fi
2556    rdma="no"
2557  fi
2558fi
2559
2560
2561##########################################
2562# VNC SASL detection
2563if test "$vnc" = "yes" -a "$vnc_sasl" != "no" ; then
2564  cat > $TMPC <<EOF
2565#include <sasl/sasl.h>
2566#include <stdio.h>
2567int main(void) { sasl_server_init(NULL, "qemu"); return 0; }
2568EOF
2569  # Assuming Cyrus-SASL installed in /usr prefix
2570  vnc_sasl_cflags=""
2571  vnc_sasl_libs="-lsasl2"
2572  if compile_prog "$vnc_sasl_cflags" "$vnc_sasl_libs" ; then
2573    vnc_sasl=yes
2574    libs_softmmu="$vnc_sasl_libs $libs_softmmu"
2575    QEMU_CFLAGS="$QEMU_CFLAGS $vnc_sasl_cflags"
2576  else
2577    if test "$vnc_sasl" = "yes" ; then
2578      feature_not_found "vnc-sasl" "Install Cyrus SASL devel"
2579    fi
2580    vnc_sasl=no
2581  fi
2582fi
2583
2584##########################################
2585# VNC JPEG detection
2586if test "$vnc" = "yes" -a "$vnc_jpeg" != "no" ; then
2587cat > $TMPC <<EOF
2588#include <stdio.h>
2589#include <jpeglib.h>
2590int main(void) { struct jpeg_compress_struct s; jpeg_create_compress(&s); return 0; }
2591EOF
2592    vnc_jpeg_cflags=""
2593    vnc_jpeg_libs="-ljpeg"
2594  if compile_prog "$vnc_jpeg_cflags" "$vnc_jpeg_libs" ; then
2595    vnc_jpeg=yes
2596    libs_softmmu="$vnc_jpeg_libs $libs_softmmu"
2597    QEMU_CFLAGS="$QEMU_CFLAGS $vnc_jpeg_cflags"
2598  else
2599    if test "$vnc_jpeg" = "yes" ; then
2600      feature_not_found "vnc-jpeg" "Install libjpeg-turbo devel"
2601    fi
2602    vnc_jpeg=no
2603  fi
2604fi
2605
2606##########################################
2607# VNC PNG detection
2608if test "$vnc" = "yes" -a "$vnc_png" != "no" ; then
2609cat > $TMPC <<EOF
2610//#include <stdio.h>
2611#include <png.h>
2612#include <stddef.h>
2613int main(void) {
2614    png_structp png_ptr;
2615    png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
2616    return png_ptr != 0;
2617}
2618EOF
2619  if $pkg_config libpng --exists; then
2620    vnc_png_cflags=$($pkg_config libpng --cflags)
2621    vnc_png_libs=$($pkg_config libpng --libs)
2622  else
2623    vnc_png_cflags=""
2624    vnc_png_libs="-lpng"
2625  fi
2626  if compile_prog "$vnc_png_cflags" "$vnc_png_libs" ; then
2627    vnc_png=yes
2628    libs_softmmu="$vnc_png_libs $libs_softmmu"
2629    QEMU_CFLAGS="$QEMU_CFLAGS $vnc_png_cflags"
2630  else
2631    if test "$vnc_png" = "yes" ; then
2632      feature_not_found "vnc-png" "Install libpng devel"
2633    fi
2634    vnc_png=no
2635  fi
2636fi
2637
2638##########################################
2639# fnmatch() probe, used for ACL routines
2640fnmatch="no"
2641cat > $TMPC << EOF
2642#include <fnmatch.h>
2643int main(void)
2644{
2645    fnmatch("foo", "foo", 0);
2646    return 0;
2647}
2648EOF
2649if compile_prog "" "" ; then
2650   fnmatch="yes"
2651fi
2652
2653##########################################
2654# uuid_generate() probe, used for vdi block driver
2655# Note that on some systems (notably MacOSX) no extra library
2656# need be linked to get the uuid functions.
2657if test "$uuid" != "no" ; then
2658  uuid_libs="-luuid"
2659  cat > $TMPC << EOF
2660#include <uuid/uuid.h>
2661int main(void)
2662{
2663    uuid_t my_uuid;
2664    uuid_generate(my_uuid);
2665    return 0;
2666}
2667EOF
2668  if compile_prog "" "" ; then
2669    uuid="yes"
2670  elif compile_prog "" "$uuid_libs" ; then
2671    uuid="yes"
2672    libs_softmmu="$uuid_libs $libs_softmmu"
2673    libs_tools="$uuid_libs $libs_tools"
2674  else
2675    if test "$uuid" = "yes" ; then
2676      feature_not_found "uuid" "Install libuuid devel"
2677    fi
2678    uuid=no
2679  fi
2680fi
2681
2682if test "$vhdx" = "yes" ; then
2683    if test "$uuid" = "no" ; then
2684        error_exit "uuid required for VHDX support"
2685    fi
2686elif test "$vhdx" != "no" ; then
2687    if test "$uuid" = "yes" ; then
2688        vhdx=yes
2689    else
2690        vhdx=no
2691    fi
2692fi
2693
2694##########################################
2695# xfsctl() probe, used for raw-posix
2696if test "$xfs" != "no" ; then
2697  cat > $TMPC << EOF
2698#include <stddef.h>  /* NULL */
2699#include <xfs/xfs.h>
2700int main(void)
2701{
2702    xfsctl(NULL, 0, 0, NULL);
2703    return 0;
2704}
2705EOF
2706  if compile_prog "" "" ; then
2707    xfs="yes"
2708  else
2709    if test "$xfs" = "yes" ; then
2710      feature_not_found "xfs" "Instal xfsprogs/xfslibs devel"
2711    fi
2712    xfs=no
2713  fi
2714fi
2715
2716##########################################
2717# vde libraries probe
2718if test "$vde" != "no" ; then
2719  vde_libs="-lvdeplug"
2720  cat > $TMPC << EOF
2721#include <libvdeplug.h>
2722int main(void)
2723{
2724    struct vde_open_args a = {0, 0, 0};
2725    char s[] = "";
2726    vde_open(s, s, &a);
2727    return 0;
2728}
2729EOF
2730  if compile_prog "" "$vde_libs" ; then
2731    vde=yes
2732    libs_softmmu="$vde_libs $libs_softmmu"
2733    libs_tools="$vde_libs $libs_tools"
2734  else
2735    if test "$vde" = "yes" ; then
2736      feature_not_found "vde" "Install vde (Virtual Distributed Ethernet) devel"
2737    fi
2738    vde=no
2739  fi
2740fi
2741
2742##########################################
2743# netmap support probe
2744# Apart from looking for netmap headers, we make sure that the host API version
2745# supports the netmap backend (>=11). The upper bound (15) is meant to simulate
2746# a minor/major version number. Minor new features will be marked with values up
2747# to 15, and if something happens that requires a change to the backend we will
2748# move above 15, submit the backend fixes and modify this two bounds.
2749if test "$netmap" != "no" ; then
2750  cat > $TMPC << EOF
2751#include <inttypes.h>
2752#include <net/if.h>
2753#include <net/netmap.h>
2754#include <net/netmap_user.h>
2755#if (NETMAP_API < 11) || (NETMAP_API > 15)
2756#error
2757#endif
2758int main(void) { return 0; }
2759EOF
2760  if compile_prog "" "" ; then
2761    netmap=yes
2762  else
2763    if test "$netmap" = "yes" ; then
2764      feature_not_found "netmap"
2765    fi
2766    netmap=no
2767  fi
2768fi
2769
2770##########################################
2771# libcap-ng library probe
2772if test "$cap_ng" != "no" ; then
2773  cap_libs="-lcap-ng"
2774  cat > $TMPC << EOF
2775#include <cap-ng.h>
2776int main(void)
2777{
2778    capng_capability_to_name(CAPNG_EFFECTIVE);
2779    return 0;
2780}
2781EOF
2782  if compile_prog "" "$cap_libs" ; then
2783    cap_ng=yes
2784    libs_tools="$cap_libs $libs_tools"
2785  else
2786    if test "$cap_ng" = "yes" ; then
2787      feature_not_found "cap_ng" "Install libcap-ng devel"
2788    fi
2789    cap_ng=no
2790  fi
2791fi
2792
2793##########################################
2794# Sound support libraries probe
2795
2796audio_drv_probe()
2797{
2798    drv=$1
2799    hdr=$2
2800    lib=$3
2801    exp=$4
2802    cfl=$5
2803        cat > $TMPC << EOF
2804#include <$hdr>
2805int main(void) { $exp }
2806EOF
2807    if compile_prog "$cfl" "$lib" ; then
2808        :
2809    else
2810        error_exit "$drv check failed" \
2811            "Make sure to have the $drv libs and headers installed."
2812    fi
2813}
2814
2815audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/,/ /g')
2816for drv in $audio_drv_list; do
2817    case $drv in
2818    alsa)
2819    audio_drv_probe $drv alsa/asoundlib.h -lasound \
2820        "return snd_pcm_close((snd_pcm_t *)0);"
2821    libs_softmmu="-lasound $libs_softmmu"
2822    ;;
2823
2824    pa)
2825    audio_drv_probe $drv pulse/pulseaudio.h "-lpulse" \
2826        "pa_context_set_source_output_volume(NULL, 0, NULL, NULL, NULL); return 0;"
2827    libs_softmmu="-lpulse $libs_softmmu"
2828    audio_pt_int="yes"
2829    ;;
2830
2831    coreaudio)
2832      libs_softmmu="-framework CoreAudio $libs_softmmu"
2833    ;;
2834
2835    dsound)
2836      libs_softmmu="-lole32 -ldxguid $libs_softmmu"
2837      audio_win_int="yes"
2838    ;;
2839
2840    oss)
2841      libs_softmmu="$oss_lib $libs_softmmu"
2842    ;;
2843
2844    sdl|wav)
2845    # XXX: Probes for CoreAudio, DirectSound, SDL(?)
2846    ;;
2847
2848    *)
2849    echo "$audio_possible_drivers" | grep -q "\<$drv\>" || {
2850        error_exit "Unknown driver '$drv' selected" \
2851            "Possible drivers are: $audio_possible_drivers"
2852    }
2853    ;;
2854    esac
2855done
2856
2857##########################################
2858# BrlAPI probe
2859
2860if test "$brlapi" != "no" ; then
2861  brlapi_libs="-lbrlapi"
2862  cat > $TMPC << EOF
2863#include <brlapi.h>
2864#include <stddef.h>
2865int main( void ) { return brlapi__openConnection (NULL, NULL, NULL); }
2866EOF
2867  if compile_prog "" "$brlapi_libs" ; then
2868    brlapi=yes
2869    libs_softmmu="$brlapi_libs $libs_softmmu"
2870  else
2871    if test "$brlapi" = "yes" ; then
2872      feature_not_found "brlapi" "Install brlapi devel"
2873    fi
2874    brlapi=no
2875  fi
2876fi
2877
2878##########################################
2879# curses probe
2880if test "$curses" != "no" ; then
2881  if test "$mingw32" = "yes" ; then
2882    curses_list="$($pkg_config --libs ncurses 2>/dev/null):-lpdcurses"
2883  else
2884    curses_list="$($pkg_config --libs ncurses 2>/dev/null):-lncurses:-lcurses"
2885  fi
2886  curses_found=no
2887  cat > $TMPC << EOF
2888#include <curses.h>
2889int main(void) {
2890  const char *s = curses_version();
2891  resize_term(0, 0);
2892  return s != 0;
2893}
2894EOF
2895  IFS=:
2896  for curses_lib in $curses_list; do
2897    unset IFS
2898    if compile_prog "" "$curses_lib" ; then
2899      curses_found=yes
2900      libs_softmmu="$curses_lib $libs_softmmu"
2901      break
2902    fi
2903  done
2904  unset IFS
2905  if test "$curses_found" = "yes" ; then
2906    curses=yes
2907  else
2908    if test "$curses" = "yes" ; then
2909      feature_not_found "curses" "Install ncurses devel"
2910    fi
2911    curses=no
2912  fi
2913fi
2914
2915##########################################
2916# curl probe
2917if test "$curl" != "no" ; then
2918  if $pkg_config libcurl --exists; then
2919    curlconfig="$pkg_config libcurl"
2920  else
2921    curlconfig=curl-config
2922  fi
2923  cat > $TMPC << EOF
2924#include <curl/curl.h>
2925int main(void) { curl_easy_init(); curl_multi_setopt(0, 0, 0); return 0; }
2926EOF
2927  curl_cflags=$($curlconfig --cflags 2>/dev/null)
2928  curl_libs=$($curlconfig --libs 2>/dev/null)
2929  if compile_prog "$curl_cflags" "$curl_libs" ; then
2930    curl=yes
2931  else
2932    if test "$curl" = "yes" ; then
2933      feature_not_found "curl" "Install libcurl devel"
2934    fi
2935    curl=no
2936  fi
2937fi # test "$curl"
2938
2939##########################################
2940# bluez support probe
2941if test "$bluez" != "no" ; then
2942  cat > $TMPC << EOF
2943#include <bluetooth/bluetooth.h>
2944int main(void) { return bt_error(0); }
2945EOF
2946  bluez_cflags=$($pkg_config --cflags bluez 2>/dev/null)
2947  bluez_libs=$($pkg_config --libs bluez 2>/dev/null)
2948  if compile_prog "$bluez_cflags" "$bluez_libs" ; then
2949    bluez=yes
2950    libs_softmmu="$bluez_libs $libs_softmmu"
2951  else
2952    if test "$bluez" = "yes" ; then
2953      feature_not_found "bluez" "Install bluez-libs/libbluetooth devel"
2954    fi
2955    bluez="no"
2956  fi
2957fi
2958
2959##########################################
2960# glib support probe
2961
2962glib_req_ver=2.22
2963glib_modules=gthread-2.0
2964if test "$modules" = yes; then
2965    glib_modules="$glib_modules gmodule-2.0"
2966fi
2967
2968for i in $glib_modules; do
2969    if $pkg_config --atleast-version=$glib_req_ver $i; then
2970        glib_cflags=$($pkg_config --cflags $i)
2971        glib_libs=$($pkg_config --libs $i)
2972        CFLAGS="$glib_cflags $CFLAGS"
2973        LIBS="$glib_libs $LIBS"
2974        libs_qga="$glib_libs $libs_qga"
2975    else
2976        error_exit "glib-$glib_req_ver $i is required to compile QEMU"
2977    fi
2978done
2979
2980# Sanity check that the current size_t matches the
2981# size that glib thinks it should be. This catches
2982# problems on multi-arch where people try to build
2983# 32-bit QEMU while pointing at 64-bit glib headers
2984cat > $TMPC <<EOF
2985#include <glib.h>
2986#include <unistd.h>
2987
2988#define QEMU_BUILD_BUG_ON(x) \
2989  typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused));
2990
2991int main(void) {
2992   QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T);
2993   return 0;
2994}
2995EOF
2996
2997if ! compile_prog "$CFLAGS" "$LIBS" ; then
2998    error_exit "sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T."\
2999               "You probably need to set PKG_CONFIG_LIBDIR"\
3000	       "to point to the right pkg-config files for your"\
3001	       "build target"
3002fi
3003
3004# g_test_trap_subprocess added in 2.38. Used by some tests.
3005glib_subprocess=yes
3006if ! $pkg_config --atleast-version=2.38 glib-2.0; then
3007    glib_subprocess=no
3008fi
3009
3010# Silence clang 3.5.0 warnings about glib attribute __alloc_size__ usage
3011cat > $TMPC << EOF
3012#include <glib.h>
3013int main(void) { return 0; }
3014EOF
3015if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then
3016    if cc_has_warning_flag "-Wno-unknown-attributes"; then
3017        glib_cflags="-Wno-unknown-attributes $glib_cflags"
3018        CFLAGS="-Wno-unknown-attributes $CFLAGS"
3019    fi
3020fi
3021
3022##########################################
3023# SHA command probe for modules
3024if test "$modules" = yes; then
3025    shacmd_probe="sha1sum sha1 shasum"
3026    for c in $shacmd_probe; do
3027        if has $c; then
3028            shacmd="$c"
3029            break
3030        fi
3031    done
3032    if test "$shacmd" = ""; then
3033        error_exit "one of the checksum commands is required to enable modules: $shacmd_probe"
3034    fi
3035fi
3036
3037##########################################
3038# pixman support probe
3039
3040if test "$pixman" = ""; then
3041  if test "$want_tools" = "no" -a "$softmmu" = "no"; then
3042    pixman="none"
3043  elif $pkg_config --atleast-version=0.21.8 pixman-1 > /dev/null 2>&1; then
3044    pixman="system"
3045  else
3046    pixman="internal"
3047  fi
3048fi
3049if test "$pixman" = "none"; then
3050  if test "$want_tools" != "no" -o "$softmmu" != "no"; then
3051    error_exit "pixman disabled but system emulation or tools build" \
3052        "enabled.  You can turn off pixman only if you also" \
3053        "disable all system emulation targets and the tools" \
3054        "build with '--disable-tools --disable-system'."
3055  fi
3056  pixman_cflags=
3057  pixman_libs=
3058elif test "$pixman" = "system"; then
3059  # pixman version has been checked above
3060  pixman_cflags=$($pkg_config --cflags pixman-1)
3061  pixman_libs=$($pkg_config --libs pixman-1)
3062else
3063  if test ! -d ${source_path}/pixman/pixman; then
3064    error_exit "pixman >= 0.21.8 not present. Your options:" \
3065        "  (1) Preferred: Install the pixman devel package (any recent" \
3066        "      distro should have packages as Xorg needs pixman too)." \
3067        "  (2) Fetch the pixman submodule, using:" \
3068        "      git submodule update --init pixman"
3069  fi
3070  mkdir -p pixman/pixman
3071  pixman_cflags="-I\$(SRC_PATH)/pixman/pixman -I\$(BUILD_DIR)/pixman/pixman"
3072  pixman_libs="-L\$(BUILD_DIR)/pixman/pixman/.libs -lpixman-1"
3073fi
3074
3075##########################################
3076# libcap probe
3077
3078if test "$cap" != "no" ; then
3079  cat > $TMPC <<EOF
3080#include <stdio.h>
3081#include <sys/capability.h>
3082int main(void) { cap_t caps; caps = cap_init(); return caps != NULL; }
3083EOF
3084  if compile_prog "" "-lcap" ; then
3085    cap=yes
3086  else
3087    cap=no
3088  fi
3089fi
3090
3091##########################################
3092# pthread probe
3093PTHREADLIBS_LIST="-pthread -lpthread -lpthreadGC2"
3094
3095pthread=no
3096cat > $TMPC << EOF
3097#include <pthread.h>
3098static void *f(void *p) { return NULL; }
3099int main(void) {
3100  pthread_t thread;
3101  pthread_create(&thread, 0, f, 0);
3102  return 0;
3103}
3104EOF
3105if compile_prog "" "" ; then
3106  pthread=yes
3107else
3108  for pthread_lib in $PTHREADLIBS_LIST; do
3109    if compile_prog "" "$pthread_lib" ; then
3110      pthread=yes
3111      found=no
3112      for lib_entry in $LIBS; do
3113        if test "$lib_entry" = "$pthread_lib"; then
3114          found=yes
3115          break
3116        fi
3117      done
3118      if test "$found" = "no"; then
3119        LIBS="$pthread_lib $LIBS"
3120      fi
3121      break
3122    fi
3123  done
3124fi
3125
3126if test "$mingw32" != yes -a "$pthread" = no; then
3127  error_exit "pthread check failed" \
3128      "Make sure to have the pthread libs and headers installed."
3129fi
3130
3131# check for pthread_setname_np
3132pthread_setname_np=no
3133cat > $TMPC << EOF
3134#include <pthread.h>
3135
3136static void *f(void *p) { return NULL; }
3137int main(void)
3138{
3139    pthread_t thread;
3140    pthread_create(&thread, 0, f, 0);
3141    pthread_setname_np(thread, "QEMU");
3142    return 0;
3143}
3144EOF
3145if compile_prog "" "$pthread_lib" ; then
3146  pthread_setname_np=yes
3147fi
3148
3149##########################################
3150# rbd probe
3151if test "$rbd" != "no" ; then
3152  cat > $TMPC <<EOF
3153#include <stdio.h>
3154#include <rbd/librbd.h>
3155int main(void) {
3156    rados_t cluster;
3157    rados_create(&cluster, NULL);
3158    return 0;
3159}
3160EOF
3161  rbd_libs="-lrbd -lrados"
3162  if compile_prog "" "$rbd_libs" ; then
3163    rbd=yes
3164  else
3165    if test "$rbd" = "yes" ; then
3166      feature_not_found "rados block device" "Install librbd/ceph devel"
3167    fi
3168    rbd=no
3169  fi
3170fi
3171
3172##########################################
3173# libssh2 probe
3174min_libssh2_version=1.2.8
3175if test "$libssh2" != "no" ; then
3176  if $pkg_config --atleast-version=$min_libssh2_version libssh2; then
3177    libssh2_cflags=$($pkg_config libssh2 --cflags)
3178    libssh2_libs=$($pkg_config libssh2 --libs)
3179    libssh2=yes
3180  else
3181    if test "$libssh2" = "yes" ; then
3182      error_exit "libssh2 >= $min_libssh2_version required for --enable-libssh2"
3183    fi
3184    libssh2=no
3185  fi
3186fi
3187
3188##########################################
3189# libssh2_sftp_fsync probe
3190
3191if test "$libssh2" = "yes"; then
3192  cat > $TMPC <<EOF
3193#include <stdio.h>
3194#include <libssh2.h>
3195#include <libssh2_sftp.h>
3196int main(void) {
3197    LIBSSH2_SESSION *session;
3198    LIBSSH2_SFTP *sftp;
3199    LIBSSH2_SFTP_HANDLE *sftp_handle;
3200    session = libssh2_session_init ();
3201    sftp = libssh2_sftp_init (session);
3202    sftp_handle = libssh2_sftp_open (sftp, "/", 0, 0);
3203    libssh2_sftp_fsync (sftp_handle);
3204    return 0;
3205}
3206EOF
3207  # libssh2_cflags/libssh2_libs defined in previous test.
3208  if compile_prog "$libssh2_cflags" "$libssh2_libs" ; then
3209    QEMU_CFLAGS="-DHAS_LIBSSH2_SFTP_FSYNC $QEMU_CFLAGS"
3210  fi
3211fi
3212
3213##########################################
3214# linux-aio probe
3215
3216if test "$linux_aio" != "no" ; then
3217  cat > $TMPC <<EOF
3218#include <libaio.h>
3219#include <sys/eventfd.h>
3220#include <stddef.h>
3221int main(void) { io_setup(0, NULL); io_set_eventfd(NULL, 0); eventfd(0, 0); return 0; }
3222EOF
3223  if compile_prog "" "-laio" ; then
3224    linux_aio=yes
3225  else
3226    if test "$linux_aio" = "yes" ; then
3227      feature_not_found "linux AIO" "Install libaio devel"
3228    fi
3229    linux_aio=no
3230  fi
3231fi
3232
3233##########################################
3234# TPM passthrough is only on x86 Linux
3235
3236if test "$targetos" = Linux && test "$cpu" = i386 -o "$cpu" = x86_64; then
3237  tpm_passthrough=$tpm
3238else
3239  tpm_passthrough=no
3240fi
3241
3242##########################################
3243# attr probe
3244
3245if test "$attr" != "no" ; then
3246  cat > $TMPC <<EOF
3247#include <stdio.h>
3248#include <sys/types.h>
3249#ifdef CONFIG_LIBATTR
3250#include <attr/xattr.h>
3251#else
3252#include <sys/xattr.h>
3253#endif
3254int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }
3255EOF
3256  if compile_prog "" "" ; then
3257    attr=yes
3258  # Older distros have <attr/xattr.h>, and need -lattr:
3259  elif compile_prog "-DCONFIG_LIBATTR" "-lattr" ; then
3260    attr=yes
3261    LIBS="-lattr $LIBS"
3262    libattr=yes
3263  else
3264    if test "$attr" = "yes" ; then
3265      feature_not_found "ATTR" "Install libc6 or libattr devel"
3266    fi
3267    attr=no
3268  fi
3269fi
3270
3271##########################################
3272# iovec probe
3273cat > $TMPC <<EOF
3274#include <sys/types.h>
3275#include <sys/uio.h>
3276#include <unistd.h>
3277int main(void) { return sizeof(struct iovec); }
3278EOF
3279iovec=no
3280if compile_prog "" "" ; then
3281  iovec=yes
3282fi
3283
3284##########################################
3285# preadv probe
3286cat > $TMPC <<EOF
3287#include <sys/types.h>
3288#include <sys/uio.h>
3289#include <unistd.h>
3290int main(void) { return preadv(0, 0, 0, 0); }
3291EOF
3292preadv=no
3293if compile_prog "" "" ; then
3294  preadv=yes
3295fi
3296
3297##########################################
3298# fdt probe
3299# fdt support is mandatory for at least some target architectures,
3300# so insist on it if we're building those system emulators.
3301fdt_required=no
3302for target in $target_list; do
3303  case $target in
3304    aarch64*-softmmu|arm*-softmmu|ppc*-softmmu|microblaze*-softmmu)
3305      fdt_required=yes
3306    ;;
3307  esac
3308done
3309
3310if test "$fdt_required" = "yes"; then
3311  if test "$fdt" = "no"; then
3312    error_exit "fdt disabled but some requested targets require it." \
3313      "You can turn off fdt only if you also disable all the system emulation" \
3314      "targets which need it (by specifying a cut down --target-list)."
3315  fi
3316  fdt=yes
3317fi
3318
3319if test "$fdt" != "no" ; then
3320  fdt_libs="-lfdt"
3321  # explicitly check for libfdt_env.h as it is missing in some stable installs
3322  # and test for required functions to make sure we are on a version >= 1.4.0
3323  cat > $TMPC << EOF
3324#include <libfdt.h>
3325#include <libfdt_env.h>
3326int main(void) { fdt_get_property_by_offset(0, 0, 0); return 0; }
3327EOF
3328  if compile_prog "" "$fdt_libs" ; then
3329    # system DTC is good - use it
3330    fdt=yes
3331  elif test -d ${source_path}/dtc/libfdt ; then
3332    # have submodule DTC - use it
3333    fdt=yes
3334    dtc_internal="yes"
3335    mkdir -p dtc
3336    if [ "$pwd_is_source_path" != "y" ] ; then
3337       symlink "$source_path/dtc/Makefile" "dtc/Makefile"
3338       symlink "$source_path/dtc/scripts" "dtc/scripts"
3339    fi
3340    fdt_cflags="-I\$(SRC_PATH)/dtc/libfdt"
3341    fdt_libs="-L\$(BUILD_DIR)/dtc/libfdt $fdt_libs"
3342  elif test "$fdt" = "yes" ; then
3343    # have neither and want - prompt for system/submodule install
3344    error_exit "DTC (libfdt) version >= 1.4.0 not present. Your options:" \
3345        "  (1) Preferred: Install the DTC (libfdt) devel package" \
3346        "  (2) Fetch the DTC submodule, using:" \
3347        "      git submodule update --init dtc"
3348  else
3349    # don't have and don't want
3350    fdt_libs=
3351    fdt=no
3352  fi
3353fi
3354
3355libs_softmmu="$libs_softmmu $fdt_libs"
3356
3357##########################################
3358# opengl probe (for sdl2, gtk, milkymist-tmu2)
3359
3360if test "$opengl" != "no" ; then
3361  opengl_pkgs="epoxy libdrm gbm"
3362  if $pkg_config $opengl_pkgs x11; then
3363    opengl_cflags="$($pkg_config --cflags $opengl_pkgs) $x11_cflags"
3364    opengl_libs="$($pkg_config --libs $opengl_pkgs) $x11_libs"
3365    opengl=yes
3366    if test "$gtk" = "yes" && $pkg_config --exists "$gtkpackage >= 3.16"; then
3367        gtk_gl="yes"
3368    fi
3369  else
3370    if test "$opengl" = "yes" ; then
3371      feature_not_found "opengl" "Please install opengl (mesa) devel pkgs: $opengl_pkgs"
3372    fi
3373    opengl_cflags=""
3374    opengl_libs=""
3375    opengl=no
3376  fi
3377fi
3378
3379if test "$opengl" = "yes"; then
3380  cat > $TMPC << EOF
3381#include <epoxy/egl.h>
3382#ifndef EGL_MESA_image_dma_buf_export
3383# error mesa/epoxy lacks support for dmabufs (mesa 10.6+)
3384#endif
3385int main(void) { return 0; }
3386EOF
3387  if compile_prog "" "" ; then
3388    opengl_dmabuf=yes
3389  fi
3390fi
3391
3392##########################################
3393# archipelago probe
3394if test "$archipelago" != "no" ; then
3395    cat > $TMPC <<EOF
3396#include <stdio.h>
3397#include <xseg/xseg.h>
3398#include <xseg/protocol.h>
3399int main(void) {
3400    xseg_initialize();
3401    return 0;
3402}
3403EOF
3404    archipelago_libs=-lxseg
3405    if compile_prog "" "$archipelago_libs"; then
3406        archipelago="yes"
3407        libs_tools="$archipelago_libs $libs_tools"
3408        libs_softmmu="$archipelago_libs $libs_softmmu"
3409
3410	echo "WARNING: Please check the licenses of QEMU and libxseg carefully."
3411	echo "GPLv3 versions of libxseg may not be compatible with QEMU's"
3412	echo "license and therefore prevent redistribution."
3413	echo
3414	echo "To disable Archipelago, use --disable-archipelago"
3415    else
3416      if test "$archipelago" = "yes" ; then
3417        feature_not_found "Archipelago backend support" "Install libxseg devel"
3418      fi
3419      archipelago="no"
3420    fi
3421fi
3422
3423
3424##########################################
3425# glusterfs probe
3426if test "$glusterfs" != "no" ; then
3427  if $pkg_config --atleast-version=3 glusterfs-api; then
3428    glusterfs="yes"
3429    glusterfs_cflags=$($pkg_config --cflags glusterfs-api)
3430    glusterfs_libs=$($pkg_config --libs glusterfs-api)
3431    if $pkg_config --atleast-version=4 glusterfs-api; then
3432      glusterfs_xlator_opt="yes"
3433    fi
3434    if $pkg_config --atleast-version=5 glusterfs-api; then
3435      glusterfs_discard="yes"
3436    fi
3437    if $pkg_config --atleast-version=6 glusterfs-api; then
3438      glusterfs_zerofill="yes"
3439    fi
3440  else
3441    if test "$glusterfs" = "yes" ; then
3442      feature_not_found "GlusterFS backend support" \
3443          "Install glusterfs-api devel >= 3"
3444    fi
3445    glusterfs="no"
3446  fi
3447fi
3448
3449# Check for inotify functions when we are building linux-user
3450# emulator.  This is done because older glibc versions don't
3451# have syscall stubs for these implemented.  In that case we
3452# don't provide them even if kernel supports them.
3453#
3454inotify=no
3455cat > $TMPC << EOF
3456#include <sys/inotify.h>
3457
3458int
3459main(void)
3460{
3461	/* try to start inotify */
3462	return inotify_init();
3463}
3464EOF
3465if compile_prog "" "" ; then
3466  inotify=yes
3467fi
3468
3469inotify1=no
3470cat > $TMPC << EOF
3471#include <sys/inotify.h>
3472
3473int
3474main(void)
3475{
3476    /* try to start inotify */
3477    return inotify_init1(0);
3478}
3479EOF
3480if compile_prog "" "" ; then
3481  inotify1=yes
3482fi
3483
3484# check if utimensat and futimens are supported
3485utimens=no
3486cat > $TMPC << EOF
3487#define _ATFILE_SOURCE
3488#include <stddef.h>
3489#include <fcntl.h>
3490#include <sys/stat.h>
3491
3492int main(void)
3493{
3494    utimensat(AT_FDCWD, "foo", NULL, 0);
3495    futimens(0, NULL);
3496    return 0;
3497}
3498EOF
3499if compile_prog "" "" ; then
3500  utimens=yes
3501fi
3502
3503# check if pipe2 is there
3504pipe2=no
3505cat > $TMPC << EOF
3506#include <unistd.h>
3507#include <fcntl.h>
3508
3509int main(void)
3510{
3511    int pipefd[2];
3512    return pipe2(pipefd, O_CLOEXEC);
3513}
3514EOF
3515if compile_prog "" "" ; then
3516  pipe2=yes
3517fi
3518
3519# check if accept4 is there
3520accept4=no
3521cat > $TMPC << EOF
3522#include <sys/socket.h>
3523#include <stddef.h>
3524
3525int main(void)
3526{
3527    accept4(0, NULL, NULL, SOCK_CLOEXEC);
3528    return 0;
3529}
3530EOF
3531if compile_prog "" "" ; then
3532  accept4=yes
3533fi
3534
3535# check if tee/splice is there. vmsplice was added same time.
3536splice=no
3537cat > $TMPC << EOF
3538#include <unistd.h>
3539#include <fcntl.h>
3540#include <limits.h>
3541
3542int main(void)
3543{
3544    int len, fd = 0;
3545    len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
3546    splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
3547    return 0;
3548}
3549EOF
3550if compile_prog "" "" ; then
3551  splice=yes
3552fi
3553
3554##########################################
3555# libnuma probe
3556
3557if test "$numa" != "no" ; then
3558  cat > $TMPC << EOF
3559#include <numa.h>
3560int main(void) { return numa_available(); }
3561EOF
3562
3563  if compile_prog "" "-lnuma" ; then
3564    numa=yes
3565    libs_softmmu="-lnuma $libs_softmmu"
3566  else
3567    if test "$numa" = "yes" ; then
3568      feature_not_found "numa" "install numactl devel"
3569    fi
3570    numa=no
3571  fi
3572fi
3573
3574if test "$tcmalloc" = "yes" && test "$jemalloc" = "yes" ; then
3575    echo "ERROR: tcmalloc && jemalloc can't be used at the same time"
3576    exit 1
3577fi
3578
3579##########################################
3580# tcmalloc probe
3581
3582if test "$tcmalloc" = "yes" ; then
3583  cat > $TMPC << EOF
3584#include <stdlib.h>
3585int main(void) { malloc(1); return 0; }
3586EOF
3587
3588  if compile_prog "" "-ltcmalloc" ; then
3589    LIBS="-ltcmalloc $LIBS"
3590  else
3591    feature_not_found "tcmalloc" "install gperftools devel"
3592  fi
3593fi
3594
3595##########################################
3596# jemalloc probe
3597
3598if test "$jemalloc" = "yes" ; then
3599  cat > $TMPC << EOF
3600#include <stdlib.h>
3601int main(void) { malloc(1); return 0; }
3602EOF
3603
3604  if compile_prog "" "-ljemalloc" ; then
3605    LIBS="-ljemalloc $LIBS"
3606  else
3607    feature_not_found "jemalloc" "install jemalloc devel"
3608  fi
3609fi
3610
3611##########################################
3612# signalfd probe
3613signalfd="no"
3614cat > $TMPC << EOF
3615#include <unistd.h>
3616#include <sys/syscall.h>
3617#include <signal.h>
3618int main(void) { return syscall(SYS_signalfd, -1, NULL, _NSIG / 8); }
3619EOF
3620
3621if compile_prog "" "" ; then
3622  signalfd=yes
3623fi
3624
3625# check if eventfd is supported
3626eventfd=no
3627cat > $TMPC << EOF
3628#include <sys/eventfd.h>
3629
3630int main(void)
3631{
3632    return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC);
3633}
3634EOF
3635if compile_prog "" "" ; then
3636  eventfd=yes
3637fi
3638
3639# check if memfd is supported
3640memfd=no
3641cat > $TMPC << EOF
3642#include <sys/memfd.h>
3643
3644int main(void)
3645{
3646    return memfd_create("foo", MFD_ALLOW_SEALING);
3647}
3648EOF
3649if compile_prog "" "" ; then
3650  memfd=yes
3651fi
3652
3653
3654
3655# check for fallocate
3656fallocate=no
3657cat > $TMPC << EOF
3658#include <fcntl.h>
3659
3660int main(void)
3661{
3662    fallocate(0, 0, 0, 0);
3663    return 0;
3664}
3665EOF
3666if compile_prog "" "" ; then
3667  fallocate=yes
3668fi
3669
3670# check for fallocate hole punching
3671fallocate_punch_hole=no
3672cat > $TMPC << EOF
3673#include <fcntl.h>
3674#include <linux/falloc.h>
3675
3676int main(void)
3677{
3678    fallocate(0, FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE, 0, 0);
3679    return 0;
3680}
3681EOF
3682if compile_prog "" "" ; then
3683  fallocate_punch_hole=yes
3684fi
3685
3686# check that fallocate supports range zeroing inside the file
3687fallocate_zero_range=no
3688cat > $TMPC << EOF
3689#include <fcntl.h>
3690#include <linux/falloc.h>
3691
3692int main(void)
3693{
3694    fallocate(0, FALLOC_FL_ZERO_RANGE, 0, 0);
3695    return 0;
3696}
3697EOF
3698if compile_prog "" "" ; then
3699  fallocate_zero_range=yes
3700fi
3701
3702# check for posix_fallocate
3703posix_fallocate=no
3704cat > $TMPC << EOF
3705#include <fcntl.h>
3706
3707int main(void)
3708{
3709    posix_fallocate(0, 0, 0);
3710    return 0;
3711}
3712EOF
3713if compile_prog "" "" ; then
3714    posix_fallocate=yes
3715fi
3716
3717# check for sync_file_range
3718sync_file_range=no
3719cat > $TMPC << EOF
3720#include <fcntl.h>
3721
3722int main(void)
3723{
3724    sync_file_range(0, 0, 0, 0);
3725    return 0;
3726}
3727EOF
3728if compile_prog "" "" ; then
3729  sync_file_range=yes
3730fi
3731
3732# check for linux/fiemap.h and FS_IOC_FIEMAP
3733fiemap=no
3734cat > $TMPC << EOF
3735#include <sys/ioctl.h>
3736#include <linux/fs.h>
3737#include <linux/fiemap.h>
3738
3739int main(void)
3740{
3741    ioctl(0, FS_IOC_FIEMAP, 0);
3742    return 0;
3743}
3744EOF
3745if compile_prog "" "" ; then
3746  fiemap=yes
3747fi
3748
3749# check for dup3
3750dup3=no
3751cat > $TMPC << EOF
3752#include <unistd.h>
3753
3754int main(void)
3755{
3756    dup3(0, 0, 0);
3757    return 0;
3758}
3759EOF
3760if compile_prog "" "" ; then
3761  dup3=yes
3762fi
3763
3764# check for ppoll support
3765ppoll=no
3766cat > $TMPC << EOF
3767#include <poll.h>
3768
3769int main(void)
3770{
3771    struct pollfd pfd = { .fd = 0, .events = 0, .revents = 0 };
3772    ppoll(&pfd, 1, 0, 0);
3773    return 0;
3774}
3775EOF
3776if compile_prog "" "" ; then
3777  ppoll=yes
3778fi
3779
3780# check for prctl(PR_SET_TIMERSLACK , ... ) support
3781prctl_pr_set_timerslack=no
3782cat > $TMPC << EOF
3783#include <sys/prctl.h>
3784
3785int main(void)
3786{
3787    prctl(PR_SET_TIMERSLACK, 1, 0, 0, 0);
3788    return 0;
3789}
3790EOF
3791if compile_prog "" "" ; then
3792  prctl_pr_set_timerslack=yes
3793fi
3794
3795# check for epoll support
3796epoll=no
3797cat > $TMPC << EOF
3798#include <sys/epoll.h>
3799
3800int main(void)
3801{
3802    epoll_create(0);
3803    return 0;
3804}
3805EOF
3806if compile_prog "" "" ; then
3807  epoll=yes
3808fi
3809
3810# epoll_create1 is a later addition
3811# so we must check separately for its presence
3812epoll_create1=no
3813cat > $TMPC << EOF
3814#include <sys/epoll.h>
3815
3816int main(void)
3817{
3818    /* Note that we use epoll_create1 as a value, not as
3819     * a function being called. This is necessary so that on
3820     * old SPARC glibc versions where the function was present in
3821     * the library but not declared in the header file we will
3822     * fail the configure check. (Otherwise we will get a compiler
3823     * warning but not an error, and will proceed to fail the
3824     * qemu compile where we compile with -Werror.)
3825     */
3826    return (int)(uintptr_t)&epoll_create1;
3827}
3828EOF
3829if compile_prog "" "" ; then
3830  epoll_create1=yes
3831fi
3832
3833# check for sendfile support
3834sendfile=no
3835cat > $TMPC << EOF
3836#include <sys/sendfile.h>
3837
3838int main(void)
3839{
3840    return sendfile(0, 0, 0, 0);
3841}
3842EOF
3843if compile_prog "" "" ; then
3844  sendfile=yes
3845fi
3846
3847# check for timerfd support (glibc 2.8 and newer)
3848timerfd=no
3849cat > $TMPC << EOF
3850#include <sys/timerfd.h>
3851
3852int main(void)
3853{
3854    return(timerfd_create(CLOCK_REALTIME, 0));
3855}
3856EOF
3857if compile_prog "" "" ; then
3858  timerfd=yes
3859fi
3860
3861# check for setns and unshare support
3862setns=no
3863cat > $TMPC << EOF
3864#include <sched.h>
3865
3866int main(void)
3867{
3868    int ret;
3869    ret = setns(0, 0);
3870    ret = unshare(0);
3871    return ret;
3872}
3873EOF
3874if compile_prog "" "" ; then
3875  setns=yes
3876fi
3877
3878# Check if tools are available to build documentation.
3879if test "$docs" != "no" ; then
3880  if has makeinfo && has pod2man; then
3881    docs=yes
3882  else
3883    if test "$docs" = "yes" ; then
3884      feature_not_found "docs" "Install texinfo and Perl/perl-podlators"
3885    fi
3886    docs=no
3887  fi
3888fi
3889
3890# Search for bswap_32 function
3891byteswap_h=no
3892cat > $TMPC << EOF
3893#include <byteswap.h>
3894int main(void) { return bswap_32(0); }
3895EOF
3896if compile_prog "" "" ; then
3897  byteswap_h=yes
3898fi
3899
3900# Search for bswap32 function
3901bswap_h=no
3902cat > $TMPC << EOF
3903#include <sys/endian.h>
3904#include <sys/types.h>
3905#include <machine/bswap.h>
3906int main(void) { return bswap32(0); }
3907EOF
3908if compile_prog "" "" ; then
3909  bswap_h=yes
3910fi
3911
3912##########################################
3913# Do we have libiscsi >= 1.9.0
3914if test "$libiscsi" != "no" ; then
3915  if $pkg_config --atleast-version=1.9.0 libiscsi; then
3916    libiscsi="yes"
3917    libiscsi_cflags=$($pkg_config --cflags libiscsi)
3918    libiscsi_libs=$($pkg_config --libs libiscsi)
3919  else
3920    if test "$libiscsi" = "yes" ; then
3921      feature_not_found "libiscsi" "Install libiscsi >= 1.9.0"
3922    fi
3923    libiscsi="no"
3924  fi
3925fi
3926
3927##########################################
3928# Do we need libm
3929cat > $TMPC << EOF
3930#include <math.h>
3931int main(int argc, char **argv) { return isnan(sin((double)argc)); }
3932EOF
3933if compile_prog "" "" ; then
3934  :
3935elif compile_prog "" "-lm" ; then
3936  LIBS="-lm $LIBS"
3937  libs_qga="-lm $libs_qga"
3938else
3939  error_exit "libm check failed"
3940fi
3941
3942##########################################
3943# Do we need librt
3944# uClibc provides 2 versions of clock_gettime(), one with realtime
3945# support and one without. This means that the clock_gettime() don't
3946# need -lrt. We still need it for timer_create() so we check for this
3947# function in addition.
3948cat > $TMPC <<EOF
3949#include <signal.h>
3950#include <time.h>
3951int main(void) {
3952  timer_create(CLOCK_REALTIME, NULL, NULL);
3953  return clock_gettime(CLOCK_REALTIME, NULL);
3954}
3955EOF
3956
3957if compile_prog "" "" ; then
3958  :
3959# we need pthread for static linking. use previous pthread test result
3960elif compile_prog "" "$pthread_lib -lrt" ; then
3961  LIBS="$LIBS -lrt"
3962  libs_qga="$libs_qga -lrt"
3963fi
3964
3965if test "$darwin" != "yes" -a "$mingw32" != "yes" -a "$solaris" != yes -a \
3966        "$aix" != "yes" -a "$haiku" != "yes" ; then
3967    libs_softmmu="-lutil $libs_softmmu"
3968fi
3969
3970##########################################
3971# spice probe
3972if test "$spice" != "no" ; then
3973  cat > $TMPC << EOF
3974#include <spice.h>
3975int main(void) { spice_server_new(); return 0; }
3976EOF
3977  spice_cflags=$($pkg_config --cflags spice-protocol spice-server 2>/dev/null)
3978  spice_libs=$($pkg_config --libs spice-protocol spice-server 2>/dev/null)
3979  if $pkg_config --atleast-version=0.12.0 spice-server && \
3980     $pkg_config --atleast-version=0.12.3 spice-protocol && \
3981     compile_prog "$spice_cflags" "$spice_libs" ; then
3982    spice="yes"
3983    libs_softmmu="$libs_softmmu $spice_libs"
3984    QEMU_CFLAGS="$QEMU_CFLAGS $spice_cflags"
3985    spice_protocol_version=$($pkg_config --modversion spice-protocol)
3986    spice_server_version=$($pkg_config --modversion spice-server)
3987  else
3988    if test "$spice" = "yes" ; then
3989      feature_not_found "spice" \
3990          "Install spice-server(>=0.12.0) and spice-protocol(>=0.12.3) devel"
3991    fi
3992    spice="no"
3993  fi
3994fi
3995
3996# check for smartcard support
3997smartcard_cflags=""
3998if test "$smartcard" != "no"; then
3999    if $pkg_config libcacard; then
4000        libcacard_cflags=$($pkg_config --cflags libcacard)
4001        libcacard_libs=$($pkg_config --libs libcacard)
4002        QEMU_CFLAGS="$QEMU_CFLAGS $libcacard_cflags"
4003        libs_softmmu="$libs_softmmu $libcacard_libs"
4004        smartcard="yes"
4005    else
4006        if test "$smartcard" = "yes"; then
4007            feature_not_found "smartcard" "Install libcacard devel"
4008        fi
4009        smartcard="no"
4010    fi
4011fi
4012
4013# check for libusb
4014if test "$libusb" != "no" ; then
4015    if $pkg_config --atleast-version=1.0.13 libusb-1.0; then
4016        libusb="yes"
4017        libusb_cflags=$($pkg_config --cflags libusb-1.0)
4018        libusb_libs=$($pkg_config --libs libusb-1.0)
4019        QEMU_CFLAGS="$QEMU_CFLAGS $libusb_cflags"
4020        libs_softmmu="$libs_softmmu $libusb_libs"
4021    else
4022        if test "$libusb" = "yes"; then
4023            feature_not_found "libusb" "Install libusb devel >= 1.0.13"
4024        fi
4025        libusb="no"
4026    fi
4027fi
4028
4029# check for usbredirparser for usb network redirection support
4030if test "$usb_redir" != "no" ; then
4031    if $pkg_config --atleast-version=0.6 libusbredirparser-0.5; then
4032        usb_redir="yes"
4033        usb_redir_cflags=$($pkg_config --cflags libusbredirparser-0.5)
4034        usb_redir_libs=$($pkg_config --libs libusbredirparser-0.5)
4035        QEMU_CFLAGS="$QEMU_CFLAGS $usb_redir_cflags"
4036        libs_softmmu="$libs_softmmu $usb_redir_libs"
4037    else
4038        if test "$usb_redir" = "yes"; then
4039            feature_not_found "usb-redir" "Install usbredir devel"
4040        fi
4041        usb_redir="no"
4042    fi
4043fi
4044
4045##########################################
4046# check if we have VSS SDK headers for win
4047
4048if test "$mingw32" = "yes" -a "$guest_agent" != "no" -a "$vss_win32_sdk" != "no" ; then
4049  case "$vss_win32_sdk" in
4050    "")   vss_win32_include="-I$source_path" ;;
4051    *\ *) # The SDK is installed in "Program Files" by default, but we cannot
4052          # handle path with spaces. So we symlink the headers into ".sdk/vss".
4053          vss_win32_include="-I$source_path/.sdk/vss"
4054	  symlink "$vss_win32_sdk/inc" "$source_path/.sdk/vss/inc"
4055	  ;;
4056    *)    vss_win32_include="-I$vss_win32_sdk"
4057  esac
4058  cat > $TMPC << EOF
4059#define __MIDL_user_allocate_free_DEFINED__
4060#include <inc/win2003/vss.h>
4061int main(void) { return VSS_CTX_BACKUP; }
4062EOF
4063  if compile_prog "$vss_win32_include" "" ; then
4064    guest_agent_with_vss="yes"
4065    QEMU_CFLAGS="$QEMU_CFLAGS $vss_win32_include"
4066    libs_qga="-lole32 -loleaut32 -lshlwapi -luuid -lstdc++ -Wl,--enable-stdcall-fixup $libs_qga"
4067    qga_vss_provider="qga/vss-win32/qga-vss.dll qga/vss-win32/qga-vss.tlb"
4068  else
4069    if test "$vss_win32_sdk" != "" ; then
4070      echo "ERROR: Please download and install Microsoft VSS SDK:"
4071      echo "ERROR:   http://www.microsoft.com/en-us/download/details.aspx?id=23490"
4072      echo "ERROR: On POSIX-systems, you can extract the SDK headers by:"
4073      echo "ERROR:   scripts/extract-vsssdk-headers setup.exe"
4074      echo "ERROR: The headers are extracted in the directory \`inc'."
4075      feature_not_found "VSS support"
4076    fi
4077    guest_agent_with_vss="no"
4078  fi
4079fi
4080
4081##########################################
4082# lookup Windows platform SDK (if not specified)
4083# The SDK is needed only to build .tlb (type library) file of guest agent
4084# VSS provider from the source. It is usually unnecessary because the
4085# pre-compiled .tlb file is included.
4086
4087if test "$mingw32" = "yes" -a "$guest_agent" != "no" -a "$guest_agent_with_vss" = "yes" ; then
4088  if test -z "$win_sdk"; then
4089    programfiles="$PROGRAMFILES"
4090    test -n "$PROGRAMW6432" && programfiles="$PROGRAMW6432"
4091    if test -n "$programfiles"; then
4092      win_sdk=$(ls -d "$programfiles/Microsoft SDKs/Windows/v"* | tail -1) 2>/dev/null
4093    else
4094      feature_not_found "Windows SDK"
4095    fi
4096  elif test "$win_sdk" = "no"; then
4097    win_sdk=""
4098  fi
4099fi
4100
4101##########################################
4102# check if mingw environment provides a recent ntddscsi.h
4103if test "$mingw32" = "yes" -a "$guest_agent" != "no"; then
4104  cat > $TMPC << EOF
4105#include <windows.h>
4106#include <ntddscsi.h>
4107int main(void) {
4108#if !defined(IOCTL_SCSI_GET_ADDRESS)
4109#error Missing required ioctl definitions
4110#endif
4111  SCSI_ADDRESS addr = { .Lun = 0, .TargetId = 0, .PathId = 0 };
4112  return addr.Lun;
4113}
4114EOF
4115  if compile_prog "" "" ; then
4116    guest_agent_ntddscsi=yes
4117    libs_qga="-lsetupapi $libs_qga"
4118  fi
4119fi
4120
4121##########################################
4122# virgl renderer probe
4123
4124if test "$virglrenderer" != "no" ; then
4125  cat > $TMPC << EOF
4126#include <virglrenderer.h>
4127int main(void) { virgl_renderer_poll(); return 0; }
4128EOF
4129  virgl_cflags=$($pkg_config --cflags virglrenderer 2>/dev/null)
4130  virgl_libs=$($pkg_config --libs virglrenderer 2>/dev/null)
4131  if $pkg_config virglrenderer >/dev/null 2>&1 && \
4132     compile_prog "$virgl_cflags" "$virgl_libs" ; then
4133    virglrenderer="yes"
4134  else
4135    if test "$virglrenderer" = "yes" ; then
4136      feature_not_found "virglrenderer"
4137    fi
4138    virglrenderer="no"
4139  fi
4140fi
4141
4142##########################################
4143# check if we have fdatasync
4144
4145fdatasync=no
4146cat > $TMPC << EOF
4147#include <unistd.h>
4148int main(void) {
4149#if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
4150return fdatasync(0);
4151#else
4152#error Not supported
4153#endif
4154}
4155EOF
4156if compile_prog "" "" ; then
4157    fdatasync=yes
4158fi
4159
4160##########################################
4161# check if we have madvise
4162
4163madvise=no
4164cat > $TMPC << EOF
4165#include <sys/types.h>
4166#include <sys/mman.h>
4167#include <stddef.h>
4168int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }
4169EOF
4170if compile_prog "" "" ; then
4171    madvise=yes
4172fi
4173
4174##########################################
4175# check if we have posix_madvise
4176
4177posix_madvise=no
4178cat > $TMPC << EOF
4179#include <sys/mman.h>
4180#include <stddef.h>
4181int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }
4182EOF
4183if compile_prog "" "" ; then
4184    posix_madvise=yes
4185fi
4186
4187##########################################
4188# check if trace backend exists
4189
4190$python "$source_path/scripts/tracetool.py" "--backends=$trace_backends" --check-backends  > /dev/null 2> /dev/null
4191if test "$?" -ne 0 ; then
4192  error_exit "invalid trace backends" \
4193      "Please choose supported trace backends."
4194fi
4195
4196##########################################
4197# For 'ust' backend, test if ust headers are present
4198if have_backend "ust"; then
4199  cat > $TMPC << EOF
4200#include <lttng/tracepoint.h>
4201int main(void) { return 0; }
4202EOF
4203  if compile_prog "" "" ; then
4204    if $pkg_config lttng-ust --exists; then
4205      lttng_ust_libs=$($pkg_config --libs lttng-ust)
4206    else
4207      lttng_ust_libs="-llttng-ust"
4208    fi
4209    if $pkg_config liburcu-bp --exists; then
4210      urcu_bp_libs=$($pkg_config --libs liburcu-bp)
4211    else
4212      urcu_bp_libs="-lurcu-bp"
4213    fi
4214
4215    LIBS="$lttng_ust_libs $urcu_bp_libs $LIBS"
4216    libs_qga="$lttng_ust_libs $urcu_bp_libs $libs_qga"
4217  else
4218    error_exit "Trace backend 'ust' missing lttng-ust header files"
4219  fi
4220fi
4221
4222##########################################
4223# For 'dtrace' backend, test if 'dtrace' command is present
4224if have_backend "dtrace"; then
4225  if ! has 'dtrace' ; then
4226    error_exit "dtrace command is not found in PATH $PATH"
4227  fi
4228  trace_backend_stap="no"
4229  if has 'stap' ; then
4230    trace_backend_stap="yes"
4231  fi
4232fi
4233
4234##########################################
4235# check and set a backend for coroutine
4236
4237# We prefer ucontext, but it's not always possible. The fallback
4238# is sigcontext. gthread is not selectable except explicitly, because
4239# it is not functional enough to run QEMU proper. (It is occasionally
4240# useful for debugging purposes.)  On Windows the only valid backend
4241# is the Windows-specific one.
4242
4243ucontext_works=no
4244if test "$darwin" != "yes"; then
4245  cat > $TMPC << EOF
4246#include <ucontext.h>
4247#ifdef __stub_makecontext
4248#error Ignoring glibc stub makecontext which will always fail
4249#endif
4250int main(void) { makecontext(0, 0, 0); return 0; }
4251EOF
4252  if compile_prog "" "" ; then
4253    ucontext_works=yes
4254  fi
4255fi
4256
4257if test "$coroutine" = ""; then
4258  if test "$mingw32" = "yes"; then
4259    coroutine=win32
4260  elif test "$ucontext_works" = "yes"; then
4261    coroutine=ucontext
4262  else
4263    coroutine=sigaltstack
4264  fi
4265else
4266  case $coroutine in
4267  windows)
4268    if test "$mingw32" != "yes"; then
4269      error_exit "'windows' coroutine backend only valid for Windows"
4270    fi
4271    # Unfortunately the user visible backend name doesn't match the
4272    # coroutine-*.c filename for this case, so we have to adjust it here.
4273    coroutine=win32
4274    ;;
4275  ucontext)
4276    if test "$ucontext_works" != "yes"; then
4277      feature_not_found "ucontext"
4278    fi
4279    ;;
4280  gthread|sigaltstack)
4281    if test "$mingw32" = "yes"; then
4282      error_exit "only the 'windows' coroutine backend is valid for Windows"
4283    fi
4284    ;;
4285  *)
4286    error_exit "unknown coroutine backend $coroutine"
4287    ;;
4288  esac
4289fi
4290
4291if test "$coroutine_pool" = ""; then
4292  if test "$coroutine" = "gthread"; then
4293    coroutine_pool=no
4294  else
4295    coroutine_pool=yes
4296  fi
4297fi
4298if test "$coroutine" = "gthread" -a "$coroutine_pool" = "yes"; then
4299  error_exit "'gthread' coroutine backend does not support pool (use --disable-coroutine-pool)"
4300fi
4301
4302##########################################
4303# check if we have open_by_handle_at
4304
4305open_by_handle_at=no
4306cat > $TMPC << EOF
4307#include <fcntl.h>
4308#if !defined(AT_EMPTY_PATH)
4309# error missing definition
4310#else
4311int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
4312#endif
4313EOF
4314if compile_prog "" "" ; then
4315    open_by_handle_at=yes
4316fi
4317
4318########################################
4319# check if we have linux/magic.h
4320
4321linux_magic_h=no
4322cat > $TMPC << EOF
4323#include <linux/magic.h>
4324int main(void) {
4325  return 0;
4326}
4327EOF
4328if compile_prog "" "" ; then
4329    linux_magic_h=yes
4330fi
4331
4332########################################
4333# check whether we can disable warning option with a pragma (this is needed
4334# to silence warnings in the headers of some versions of external libraries).
4335# This test has to be compiled with -Werror as otherwise an unknown pragma is
4336# only a warning.
4337#
4338# If we can't selectively disable warning in the code, disable -Werror so that
4339# the build doesn't fail anyway.
4340
4341pragma_disable_unused_but_set=no
4342cat > $TMPC << EOF
4343#pragma GCC diagnostic push
4344#pragma GCC diagnostic ignored "-Wunused-but-set-variable"
4345#pragma GCC diagnostic ignored "-Wstrict-prototypes"
4346#pragma GCC diagnostic pop
4347
4348int main(void) {
4349    return 0;
4350}
4351EOF
4352if compile_prog "-Werror" "" ; then
4353    pragma_diagnostic_available=yes
4354else
4355    werror=no
4356fi
4357
4358########################################
4359# check if we have valgrind/valgrind.h
4360
4361valgrind_h=no
4362cat > $TMPC << EOF
4363#include <valgrind/valgrind.h>
4364int main(void) {
4365  return 0;
4366}
4367EOF
4368if compile_prog "" "" ; then
4369    valgrind_h=yes
4370fi
4371
4372########################################
4373# check if environ is declared
4374
4375has_environ=no
4376cat > $TMPC << EOF
4377#include <unistd.h>
4378int main(void) {
4379    environ = 0;
4380    return 0;
4381}
4382EOF
4383if compile_prog "" "" ; then
4384    has_environ=yes
4385fi
4386
4387########################################
4388# check if cpuid.h is usable.
4389
4390cpuid_h=no
4391cat > $TMPC << EOF
4392#include <cpuid.h>
4393int main(void) {
4394    unsigned a, b, c, d;
4395    int max = __get_cpuid_max(0, 0);
4396
4397    if (max >= 1) {
4398        __cpuid(1, a, b, c, d);
4399    }
4400
4401    if (max >= 7) {
4402        __cpuid_count(7, 0, a, b, c, d);
4403    }
4404
4405    return 0;
4406}
4407EOF
4408if compile_prog "" "" ; then
4409    cpuid_h=yes
4410fi
4411
4412########################################
4413# check if __[u]int128_t is usable.
4414
4415int128=no
4416cat > $TMPC << EOF
4417#if defined(__clang_major__) && defined(__clang_minor__)
4418# if ((__clang_major__ < 3) || (__clang_major__ == 3) && (__clang_minor__ < 2))
4419#  error __int128_t does not work in CLANG before 3.2
4420# endif
4421#endif
4422__int128_t a;
4423__uint128_t b;
4424int main (void) {
4425  a = a + b;
4426  b = a * b;
4427  a = a * a;
4428  return 0;
4429}
4430EOF
4431if compile_prog "" "" ; then
4432    int128=yes
4433fi
4434
4435########################################
4436# check if getauxval is available.
4437
4438getauxval=no
4439cat > $TMPC << EOF
4440#include <sys/auxv.h>
4441int main(void) {
4442  return getauxval(AT_HWCAP) == 0;
4443}
4444EOF
4445if compile_prog "" "" ; then
4446    getauxval=yes
4447fi
4448
4449########################################
4450# check if ccache is interfering with
4451# semantic analysis of macros
4452
4453unset CCACHE_CPP2
4454ccache_cpp2=no
4455cat > $TMPC << EOF
4456static const int Z = 1;
4457#define fn() ({ Z; })
4458#define TAUT(X) ((X) == Z)
4459#define PAREN(X, Y) (X == Y)
4460#define ID(X) (X)
4461int main(int argc, char *argv[])
4462{
4463    int x = 0, y = 0;
4464    x = ID(x);
4465    x = fn();
4466    fn();
4467    if (PAREN(x, y)) return 0;
4468    if (TAUT(Z)) return 0;
4469    return 0;
4470}
4471EOF
4472
4473if ! compile_object "-Werror"; then
4474    ccache_cpp2=yes
4475fi
4476
4477#################################################
4478# clang does not support glibc + FORTIFY_SOURCE.
4479
4480if test "$fortify_source" != "no"; then
4481  if echo | $cc -dM -E - | grep __clang__ > /dev/null 2>&1 ; then
4482    fortify_source="no";
4483  elif test -n "$cxx" &&
4484       echo | $cxx -dM -E - | grep __clang__ >/dev/null 2>&1 ; then
4485    fortify_source="no";
4486  else
4487    fortify_source="yes"
4488  fi
4489fi
4490
4491##########################################
4492# check if struct fsxattr is available via linux/fs.h
4493
4494have_fsxattr=no
4495cat > $TMPC << EOF
4496#include <linux/fs.h>
4497struct fsxattr foo;
4498int main(void) {
4499  return 0;
4500}
4501EOF
4502if compile_prog "" "" ; then
4503    have_fsxattr=yes
4504fi
4505
4506##########################################
4507# check if rtnetlink.h exists and is useful
4508have_rtnetlink=no
4509cat > $TMPC << EOF
4510#include <linux/rtnetlink.h>
4511int main(void) {
4512  return IFLA_PROTO_DOWN;
4513}
4514EOF
4515if compile_prog "" "" ; then
4516    have_rtnetlink=yes
4517fi
4518
4519#################################################
4520# Sparc implicitly links with --relax, which is
4521# incompatible with -r, so --no-relax should be
4522# given. It does no harm to give it on other
4523# platforms too.
4524
4525# Note: the prototype is needed since QEMU_CFLAGS
4526#       contains -Wmissing-prototypes
4527cat > $TMPC << EOF
4528extern int foo(void);
4529int foo(void) { return 0; }
4530EOF
4531if ! compile_object ""; then
4532  error_exit "Failed to compile object file for LD_REL_FLAGS test"
4533fi
4534if do_cc -nostdlib -Wl,-r -Wl,--no-relax -o $TMPMO $TMPO; then
4535  LD_REL_FLAGS="-Wl,--no-relax"
4536fi
4537
4538##########################################
4539# End of CC checks
4540# After here, no more $cc or $ld runs
4541
4542if test "$gcov" = "yes" ; then
4543  CFLAGS="-fprofile-arcs -ftest-coverage -g $CFLAGS"
4544  LDFLAGS="-fprofile-arcs -ftest-coverage $LDFLAGS"
4545elif test "$fortify_source" = "yes" ; then
4546  CFLAGS="-O2 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $CFLAGS"
4547elif test "$debug" = "no"; then
4548  CFLAGS="-O2 $CFLAGS"
4549fi
4550
4551##########################################
4552# Do we have libnfs
4553if test "$libnfs" != "no" ; then
4554  if $pkg_config --atleast-version=1.9.3 libnfs; then
4555    libnfs="yes"
4556    libnfs_libs=$($pkg_config --libs libnfs)
4557    LIBS="$LIBS $libnfs_libs"
4558  else
4559    if test "$libnfs" = "yes" ; then
4560      feature_not_found "libnfs" "Install libnfs devel >= 1.9.3"
4561    fi
4562    libnfs="no"
4563  fi
4564fi
4565
4566# Now we've finished running tests it's OK to add -Werror to the compiler flags
4567if test "$werror" = "yes"; then
4568    QEMU_CFLAGS="-Werror $QEMU_CFLAGS"
4569fi
4570
4571if test "$solaris" = "no" ; then
4572    if $ld --version 2>/dev/null | grep "GNU ld" >/dev/null 2>/dev/null ; then
4573        LDFLAGS="-Wl,--warn-common $LDFLAGS"
4574    fi
4575fi
4576
4577# test if pod2man has --utf8 option
4578if pod2man --help | grep -q utf8; then
4579    POD2MAN="pod2man --utf8"
4580else
4581    POD2MAN="pod2man"
4582fi
4583
4584# Use ASLR, no-SEH and DEP if available
4585if test "$mingw32" = "yes" ; then
4586    for flag in --dynamicbase --no-seh --nxcompat; do
4587        if $ld --help 2>/dev/null | grep ".$flag" >/dev/null 2>/dev/null ; then
4588            LDFLAGS="-Wl,$flag $LDFLAGS"
4589        fi
4590    done
4591fi
4592
4593qemu_confdir=$sysconfdir$confsuffix
4594qemu_moddir=$libdir$confsuffix
4595qemu_datadir=$datadir$confsuffix
4596qemu_localedir="$datadir/locale"
4597
4598tools=""
4599if test "$want_tools" = "yes" ; then
4600  tools="qemu-img\$(EXESUF) qemu-io\$(EXESUF) $tools"
4601  if [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" ] ; then
4602    tools="qemu-nbd\$(EXESUF) $tools"
4603    tools="ivshmem-client\$(EXESUF) ivshmem-server\$(EXESUF) $tools"
4604  fi
4605fi
4606if test "$softmmu" = yes ; then
4607  if test "$virtfs" != no ; then
4608    if test "$cap" = yes && test "$linux" = yes && test "$attr" = yes ; then
4609      virtfs=yes
4610      tools="$tools fsdev/virtfs-proxy-helper\$(EXESUF)"
4611    else
4612      if test "$virtfs" = yes; then
4613        error_exit "VirtFS is supported only on Linux and requires libcap devel and libattr devel"
4614      fi
4615      virtfs=no
4616    fi
4617  fi
4618fi
4619
4620# Probe for guest agent support/options
4621
4622if [ "$guest_agent" != "no" ]; then
4623  if [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" -o "$mingw32" = "yes" ] ; then
4624      tools="qemu-ga $tools"
4625      guest_agent=yes
4626  elif [ "$guest_agent" != yes ]; then
4627      guest_agent=no
4628  else
4629      error_exit "Guest agent is not supported on this platform"
4630  fi
4631fi
4632
4633# Guest agent Window MSI  package
4634
4635if test "$guest_agent" != yes; then
4636  if test "$guest_agent_msi" = yes; then
4637    error_exit "MSI guest agent package requires guest agent enabled"
4638  fi
4639  guest_agent_msi=no
4640elif test "$mingw32" != "yes"; then
4641  if test "$guest_agent_msi" = "yes"; then
4642    error_exit "MSI guest agent package is available only for MinGW Windows cross-compilation"
4643  fi
4644  guest_agent_msi=no
4645elif ! has wixl; then
4646  if test "$guest_agent_msi" = "yes"; then
4647    error_exit "MSI guest agent package requires wixl tool installed ( usually from msitools package )"
4648  fi
4649  guest_agent_msi=no
4650else
4651  # we support qemu-ga, mingw32, and wixl: default to MSI enabled if it wasn't
4652  # disabled explicitly
4653  if test "$guest_agent_msi" != "no"; then
4654    guest_agent_msi=yes
4655  fi
4656fi
4657
4658if test "$guest_agent_msi" = "yes"; then
4659  if test "$guest_agent_with_vss" = "yes"; then
4660    QEMU_GA_MSI_WITH_VSS="-D InstallVss"
4661  fi
4662
4663  if test "$QEMU_GA_MANUFACTURER" = ""; then
4664    QEMU_GA_MANUFACTURER=QEMU
4665  fi
4666
4667  if test "$QEMU_GA_DISTRO" = ""; then
4668    QEMU_GA_DISTRO=Linux
4669  fi
4670
4671  if test "$QEMU_GA_VERSION" = ""; then
4672      QEMU_GA_VERSION=$(cat $source_path/VERSION)
4673  fi
4674
4675  QEMU_GA_MSI_MINGW_DLL_PATH="-D Mingw_dlls=$($pkg_config --variable=prefix glib-2.0)/bin"
4676
4677  case "$cpu" in
4678  x86_64)
4679    QEMU_GA_MSI_ARCH="-a x64 -D Arch=64"
4680    ;;
4681  i386)
4682    QEMU_GA_MSI_ARCH="-D Arch=32"
4683    ;;
4684  *)
4685    error_exit "CPU $cpu not supported for building installation package"
4686    ;;
4687  esac
4688fi
4689
4690# Mac OS X ships with a broken assembler
4691roms=
4692if test \( "$cpu" = "i386" -o "$cpu" = "x86_64" \) -a \
4693        "$targetos" != "Darwin" -a "$targetos" != "SunOS" -a \
4694        "$softmmu" = yes ; then
4695  roms="optionrom"
4696fi
4697if test "$cpu" = "ppc64" -a "$targetos" != "Darwin" ; then
4698  roms="$roms spapr-rtas"
4699fi
4700
4701if test "$cpu" = "s390x" ; then
4702  roms="$roms s390-ccw"
4703fi
4704
4705# Probe for the need for relocating the user-only binary.
4706if test "$pie" = "no" ; then
4707  textseg_addr=
4708  case "$cpu" in
4709    arm | i386 | ppc* | s390* | sparc* | x86_64 | x32)
4710      # ??? Rationale for choosing this address
4711      textseg_addr=0x60000000
4712      ;;
4713    mips)
4714      # A 256M aligned address, high in the address space, with enough
4715      # room for the code_gen_buffer above it before the stack.
4716      textseg_addr=0x60000000
4717      ;;
4718  esac
4719  if [ -n "$textseg_addr" ]; then
4720    cat > $TMPC <<EOF
4721    int main(void) { return 0; }
4722EOF
4723    textseg_ldflags="-Wl,-Ttext-segment=$textseg_addr"
4724    if ! compile_prog "" "$textseg_ldflags"; then
4725      # In case ld does not support -Ttext-segment, edit the default linker
4726      # script via sed to set the .text start addr.  This is needed on FreeBSD
4727      # at least.
4728      $ld --verbose | sed \
4729        -e '1,/==================================================/d' \
4730        -e '/==================================================/,$d' \
4731        -e "s/[.] = [0-9a-fx]* [+] SIZEOF_HEADERS/. = $textseg_addr + SIZEOF_HEADERS/" \
4732        -e "s/__executable_start = [0-9a-fx]*/__executable_start = $textseg_addr/" > config-host.ld
4733      textseg_ldflags="-Wl,-T../config-host.ld"
4734    fi
4735  fi
4736fi
4737
4738echo_version() {
4739    if test "$1" = "yes" ; then
4740        echo "($2)"
4741    fi
4742}
4743
4744# prepend pixman and ftd flags after all config tests are done
4745QEMU_CFLAGS="$pixman_cflags $fdt_cflags $QEMU_CFLAGS"
4746libs_softmmu="$pixman_libs $libs_softmmu"
4747
4748echo "Install prefix    $prefix"
4749echo "BIOS directory    $(eval echo $qemu_datadir)"
4750echo "binary directory  $(eval echo $bindir)"
4751echo "library directory $(eval echo $libdir)"
4752echo "module directory  $(eval echo $qemu_moddir)"
4753echo "libexec directory $(eval echo $libexecdir)"
4754echo "include directory $(eval echo $includedir)"
4755echo "config directory  $(eval echo $sysconfdir)"
4756if test "$mingw32" = "no" ; then
4757echo "local state directory   $(eval echo $local_statedir)"
4758echo "Manual directory  $(eval echo $mandir)"
4759echo "ELF interp prefix $interp_prefix"
4760else
4761echo "local state directory   queried at runtime"
4762echo "Windows SDK       $win_sdk"
4763fi
4764echo "Source path       $source_path"
4765echo "C compiler        $cc"
4766echo "Host C compiler   $host_cc"
4767echo "C++ compiler      $cxx"
4768echo "Objective-C compiler $objcc"
4769echo "ARFLAGS           $ARFLAGS"
4770echo "CFLAGS            $CFLAGS"
4771echo "QEMU_CFLAGS       $QEMU_CFLAGS"
4772echo "LDFLAGS           $LDFLAGS"
4773echo "make              $make"
4774echo "install           $install"
4775echo "python            $python"
4776if test "$slirp" = "yes" ; then
4777    echo "smbd              $smbd"
4778fi
4779echo "module support    $modules"
4780echo "host CPU          $cpu"
4781echo "host big endian   $bigendian"
4782echo "target list       $target_list"
4783echo "tcg debug enabled $debug_tcg"
4784echo "gprof enabled     $gprof"
4785echo "sparse enabled    $sparse"
4786echo "strip binaries    $strip_opt"
4787echo "profiler          $profiler"
4788echo "static build      $static"
4789if test "$darwin" = "yes" ; then
4790    echo "Cocoa support     $cocoa"
4791fi
4792echo "pixman            $pixman"
4793echo "SDL support       $sdl $(echo_version $sdl $sdlversion)"
4794echo "GTK support       $gtk $(echo_version $gtk $gtk_version)"
4795echo "GTK GL support    $gtk_gl"
4796echo "VTE support       $vte $(echo_version $vte $vteversion)"
4797echo "GNUTLS support    $gnutls"
4798echo "GNUTLS hash       $gnutls_hash"
4799echo "GNUTLS rnd        $gnutls_rnd"
4800echo "libgcrypt         $gcrypt"
4801echo "libgcrypt kdf     $gcrypt_kdf"
4802echo "nettle            $nettle $(echo_version $nettle $nettle_version)"
4803echo "nettle kdf        $nettle_kdf"
4804echo "libtasn1          $tasn1"
4805echo "curses support    $curses"
4806echo "virgl support     $virglrenderer"
4807echo "curl support      $curl"
4808echo "mingw32 support   $mingw32"
4809echo "Audio drivers     $audio_drv_list"
4810echo "Block whitelist (rw) $block_drv_rw_whitelist"
4811echo "Block whitelist (ro) $block_drv_ro_whitelist"
4812echo "VirtFS support    $virtfs"
4813echo "VNC support       $vnc"
4814if test "$vnc" = "yes" ; then
4815    echo "VNC SASL support  $vnc_sasl"
4816    echo "VNC JPEG support  $vnc_jpeg"
4817    echo "VNC PNG support   $vnc_png"
4818fi
4819if test -n "$sparc_cpu"; then
4820    echo "Target Sparc Arch $sparc_cpu"
4821fi
4822echo "xen support       $xen"
4823if test "$xen" = "yes" ; then
4824  echo "xen ctrl version  $xen_ctrl_version"
4825  echo "pv dom build      $xen_pv_domain_build"
4826fi
4827echo "brlapi support    $brlapi"
4828echo "bluez  support    $bluez"
4829echo "Documentation     $docs"
4830echo "PIE               $pie"
4831echo "vde support       $vde"
4832echo "netmap support    $netmap"
4833echo "Linux AIO support $linux_aio"
4834echo "ATTR/XATTR support $attr"
4835echo "Install blobs     $blobs"
4836echo "KVM support       $kvm"
4837echo "RDMA support      $rdma"
4838echo "TCG interpreter   $tcg_interpreter"
4839echo "fdt support       $fdt"
4840echo "preadv support    $preadv"
4841echo "fdatasync         $fdatasync"
4842echo "madvise           $madvise"
4843echo "posix_madvise     $posix_madvise"
4844echo "uuid support      $uuid"
4845echo "libcap-ng support $cap_ng"
4846echo "vhost-net support $vhost_net"
4847echo "vhost-scsi support $vhost_scsi"
4848echo "Trace backends    $trace_backends"
4849if have_backend "simple"; then
4850echo "Trace output file $trace_file-<pid>"
4851fi
4852echo "spice support     $spice $(echo_version $spice $spice_protocol_version/$spice_server_version)"
4853echo "rbd support       $rbd"
4854echo "xfsctl support    $xfs"
4855echo "smartcard support $smartcard"
4856echo "libusb            $libusb"
4857echo "usb net redir     $usb_redir"
4858echo "OpenGL support    $opengl"
4859echo "OpenGL dmabufs    $opengl_dmabuf"
4860echo "libiscsi support  $libiscsi"
4861echo "libnfs support    $libnfs"
4862echo "build guest agent $guest_agent"
4863echo "QGA VSS support   $guest_agent_with_vss"
4864echo "QGA w32 disk info $guest_agent_ntddscsi"
4865echo "QGA MSI support   $guest_agent_msi"
4866echo "seccomp support   $seccomp"
4867echo "coroutine backend $coroutine"
4868echo "coroutine pool    $coroutine_pool"
4869echo "GlusterFS support $glusterfs"
4870echo "Archipelago support $archipelago"
4871echo "gcov              $gcov_tool"
4872echo "gcov enabled      $gcov"
4873echo "TPM support       $tpm"
4874echo "libssh2 support   $libssh2"
4875echo "TPM passthrough   $tpm_passthrough"
4876echo "QOM debugging     $qom_cast_debug"
4877echo "vhdx              $vhdx"
4878echo "lzo support       $lzo"
4879echo "snappy support    $snappy"
4880echo "bzip2 support     $bzip2"
4881echo "NUMA host support $numa"
4882echo "tcmalloc support  $tcmalloc"
4883echo "jemalloc support  $jemalloc"
4884echo "avx2 optimization $avx2_opt"
4885
4886if test "$sdl_too_old" = "yes"; then
4887echo "-> Your SDL version is too old - please upgrade to have SDL support"
4888fi
4889
4890config_host_mak="config-host.mak"
4891
4892echo "# Automatically generated by configure - do not modify" >config-all-disas.mak
4893
4894echo "# Automatically generated by configure - do not modify" > $config_host_mak
4895echo >> $config_host_mak
4896
4897echo all: >> $config_host_mak
4898echo "prefix=$prefix" >> $config_host_mak
4899echo "bindir=$bindir" >> $config_host_mak
4900echo "libdir=$libdir" >> $config_host_mak
4901echo "libexecdir=$libexecdir" >> $config_host_mak
4902echo "includedir=$includedir" >> $config_host_mak
4903echo "mandir=$mandir" >> $config_host_mak
4904echo "sysconfdir=$sysconfdir" >> $config_host_mak
4905echo "qemu_confdir=$qemu_confdir" >> $config_host_mak
4906echo "qemu_datadir=$qemu_datadir" >> $config_host_mak
4907echo "qemu_docdir=$qemu_docdir" >> $config_host_mak
4908echo "qemu_moddir=$qemu_moddir" >> $config_host_mak
4909if test "$mingw32" = "no" ; then
4910  echo "qemu_localstatedir=$local_statedir" >> $config_host_mak
4911fi
4912echo "qemu_helperdir=$libexecdir" >> $config_host_mak
4913echo "extra_cflags=$EXTRA_CFLAGS" >> $config_host_mak
4914echo "extra_ldflags=$EXTRA_LDFLAGS" >> $config_host_mak
4915echo "qemu_localedir=$qemu_localedir" >> $config_host_mak
4916echo "libs_softmmu=$libs_softmmu" >> $config_host_mak
4917
4918echo "ARCH=$ARCH" >> $config_host_mak
4919
4920if test "$debug_tcg" = "yes" ; then
4921  echo "CONFIG_DEBUG_TCG=y" >> $config_host_mak
4922fi
4923if test "$strip_opt" = "yes" ; then
4924  echo "STRIP=${strip}" >> $config_host_mak
4925fi
4926if test "$bigendian" = "yes" ; then
4927  echo "HOST_WORDS_BIGENDIAN=y" >> $config_host_mak
4928fi
4929if test "$mingw32" = "yes" ; then
4930  echo "CONFIG_WIN32=y" >> $config_host_mak
4931  rc_version=$(cat $source_path/VERSION)
4932  version_major=${rc_version%%.*}
4933  rc_version=${rc_version#*.}
4934  version_minor=${rc_version%%.*}
4935  rc_version=${rc_version#*.}
4936  version_subminor=${rc_version%%.*}
4937  version_micro=0
4938  echo "CONFIG_FILEVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
4939  echo "CONFIG_PRODUCTVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
4940  if test "$guest_agent_with_vss" = "yes" ; then
4941    echo "CONFIG_QGA_VSS=y" >> $config_host_mak
4942    echo "QGA_VSS_PROVIDER=$qga_vss_provider" >> $config_host_mak
4943    echo "WIN_SDK=\"$win_sdk\"" >> $config_host_mak
4944  fi
4945  if test "$guest_agent_ntddscsi" = "yes" ; then
4946    echo "CONFIG_QGA_NTDDDISK=y" >> $config_host_mak
4947  fi
4948  if test "$guest_agent_msi" = "yes"; then
4949    echo "QEMU_GA_MSI_ENABLED=yes" >> $config_host_mak
4950    echo "QEMU_GA_MSI_MINGW_DLL_PATH=${QEMU_GA_MSI_MINGW_DLL_PATH}" >> $config_host_mak
4951    echo "QEMU_GA_MSI_WITH_VSS=${QEMU_GA_MSI_WITH_VSS}" >> $config_host_mak
4952    echo "QEMU_GA_MSI_ARCH=${QEMU_GA_MSI_ARCH}" >> $config_host_mak
4953    echo "QEMU_GA_MANUFACTURER=${QEMU_GA_MANUFACTURER}" >> $config_host_mak
4954    echo "QEMU_GA_DISTRO=${QEMU_GA_DISTRO}" >> $config_host_mak
4955    echo "QEMU_GA_VERSION=${QEMU_GA_VERSION}" >> $config_host_mak
4956  fi
4957else
4958  echo "CONFIG_POSIX=y" >> $config_host_mak
4959fi
4960
4961if test "$linux" = "yes" ; then
4962  echo "CONFIG_LINUX=y" >> $config_host_mak
4963fi
4964
4965if test "$darwin" = "yes" ; then
4966  echo "CONFIG_DARWIN=y" >> $config_host_mak
4967fi
4968
4969if test "$aix" = "yes" ; then
4970  echo "CONFIG_AIX=y" >> $config_host_mak
4971fi
4972
4973if test "$solaris" = "yes" ; then
4974  echo "CONFIG_SOLARIS=y" >> $config_host_mak
4975  echo "CONFIG_SOLARIS_VERSION=$solarisrev" >> $config_host_mak
4976  if test "$needs_libsunmath" = "yes" ; then
4977    echo "CONFIG_NEEDS_LIBSUNMATH=y" >> $config_host_mak
4978  fi
4979fi
4980if test "$haiku" = "yes" ; then
4981  echo "CONFIG_HAIKU=y" >> $config_host_mak
4982fi
4983if test "$static" = "yes" ; then
4984  echo "CONFIG_STATIC=y" >> $config_host_mak
4985fi
4986if test "$profiler" = "yes" ; then
4987  echo "CONFIG_PROFILER=y" >> $config_host_mak
4988fi
4989if test "$slirp" = "yes" ; then
4990  echo "CONFIG_SLIRP=y" >> $config_host_mak
4991  echo "CONFIG_SMBD_COMMAND=\"$smbd\"" >> $config_host_mak
4992fi
4993if test "$vde" = "yes" ; then
4994  echo "CONFIG_VDE=y" >> $config_host_mak
4995fi
4996if test "$netmap" = "yes" ; then
4997  echo "CONFIG_NETMAP=y" >> $config_host_mak
4998fi
4999if test "$l2tpv3" = "yes" ; then
5000  echo "CONFIG_L2TPV3=y" >> $config_host_mak
5001fi
5002if test "$cap_ng" = "yes" ; then
5003  echo "CONFIG_LIBCAP=y" >> $config_host_mak
5004fi
5005echo "CONFIG_AUDIO_DRIVERS=$audio_drv_list" >> $config_host_mak
5006for drv in $audio_drv_list; do
5007    def=CONFIG_$(echo $drv | LC_ALL=C tr '[a-z]' '[A-Z]')
5008    echo "$def=y" >> $config_host_mak
5009done
5010if test "$audio_pt_int" = "yes" ; then
5011  echo "CONFIG_AUDIO_PT_INT=y" >> $config_host_mak
5012fi
5013if test "$audio_win_int" = "yes" ; then
5014  echo "CONFIG_AUDIO_WIN_INT=y" >> $config_host_mak
5015fi
5016echo "CONFIG_BDRV_RW_WHITELIST=$block_drv_rw_whitelist" >> $config_host_mak
5017echo "CONFIG_BDRV_RO_WHITELIST=$block_drv_ro_whitelist" >> $config_host_mak
5018if test "$vnc" = "yes" ; then
5019  echo "CONFIG_VNC=y" >> $config_host_mak
5020fi
5021if test "$vnc_sasl" = "yes" ; then
5022  echo "CONFIG_VNC_SASL=y" >> $config_host_mak
5023fi
5024if test "$vnc_jpeg" = "yes" ; then
5025  echo "CONFIG_VNC_JPEG=y" >> $config_host_mak
5026fi
5027if test "$vnc_png" = "yes" ; then
5028  echo "CONFIG_VNC_PNG=y" >> $config_host_mak
5029fi
5030if test "$fnmatch" = "yes" ; then
5031  echo "CONFIG_FNMATCH=y" >> $config_host_mak
5032fi
5033if test "$uuid" = "yes" ; then
5034  echo "CONFIG_UUID=y" >> $config_host_mak
5035fi
5036if test "$xfs" = "yes" ; then
5037  echo "CONFIG_XFS=y" >> $config_host_mak
5038fi
5039qemu_version=$(head $source_path/VERSION)
5040echo "VERSION=$qemu_version" >>$config_host_mak
5041echo "PKGVERSION=$pkgversion" >>$config_host_mak
5042echo "SRC_PATH=$source_path" >> $config_host_mak
5043echo "TARGET_DIRS=$target_list" >> $config_host_mak
5044if [ "$docs" = "yes" ] ; then
5045  echo "BUILD_DOCS=yes" >> $config_host_mak
5046fi
5047if test "$modules" = "yes"; then
5048  # $shacmd can generate a hash started with digit, which the compiler doesn't
5049  # like as an symbol. So prefix it with an underscore
5050  echo "CONFIG_STAMP=_$( (echo $qemu_version; echo $pkgversion; cat $0) | $shacmd - | cut -f1 -d\ )" >> $config_host_mak
5051  echo "CONFIG_MODULES=y" >> $config_host_mak
5052fi
5053if test "$sdl" = "yes" ; then
5054  echo "CONFIG_SDL=y" >> $config_host_mak
5055  echo "CONFIG_SDLABI=$sdlabi" >> $config_host_mak
5056  echo "SDL_CFLAGS=$sdl_cflags" >> $config_host_mak
5057fi
5058if test "$cocoa" = "yes" ; then
5059  echo "CONFIG_COCOA=y" >> $config_host_mak
5060fi
5061if test "$curses" = "yes" ; then
5062  echo "CONFIG_CURSES=y" >> $config_host_mak
5063fi
5064if test "$utimens" = "yes" ; then
5065  echo "CONFIG_UTIMENSAT=y" >> $config_host_mak
5066fi
5067if test "$pipe2" = "yes" ; then
5068  echo "CONFIG_PIPE2=y" >> $config_host_mak
5069fi
5070if test "$accept4" = "yes" ; then
5071  echo "CONFIG_ACCEPT4=y" >> $config_host_mak
5072fi
5073if test "$splice" = "yes" ; then
5074  echo "CONFIG_SPLICE=y" >> $config_host_mak
5075fi
5076if test "$eventfd" = "yes" ; then
5077  echo "CONFIG_EVENTFD=y" >> $config_host_mak
5078fi
5079if test "$memfd" = "yes" ; then
5080  echo "CONFIG_MEMFD=y" >> $config_host_mak
5081fi
5082if test "$fallocate" = "yes" ; then
5083  echo "CONFIG_FALLOCATE=y" >> $config_host_mak
5084fi
5085if test "$fallocate_punch_hole" = "yes" ; then
5086  echo "CONFIG_FALLOCATE_PUNCH_HOLE=y" >> $config_host_mak
5087fi
5088if test "$fallocate_zero_range" = "yes" ; then
5089  echo "CONFIG_FALLOCATE_ZERO_RANGE=y" >> $config_host_mak
5090fi
5091if test "$posix_fallocate" = "yes" ; then
5092  echo "CONFIG_POSIX_FALLOCATE=y" >> $config_host_mak
5093fi
5094if test "$sync_file_range" = "yes" ; then
5095  echo "CONFIG_SYNC_FILE_RANGE=y" >> $config_host_mak
5096fi
5097if test "$fiemap" = "yes" ; then
5098  echo "CONFIG_FIEMAP=y" >> $config_host_mak
5099fi
5100if test "$dup3" = "yes" ; then
5101  echo "CONFIG_DUP3=y" >> $config_host_mak
5102fi
5103if test "$ppoll" = "yes" ; then
5104  echo "CONFIG_PPOLL=y" >> $config_host_mak
5105fi
5106if test "$prctl_pr_set_timerslack" = "yes" ; then
5107  echo "CONFIG_PRCTL_PR_SET_TIMERSLACK=y" >> $config_host_mak
5108fi
5109if test "$epoll" = "yes" ; then
5110  echo "CONFIG_EPOLL=y" >> $config_host_mak
5111fi
5112if test "$epoll_create1" = "yes" ; then
5113  echo "CONFIG_EPOLL_CREATE1=y" >> $config_host_mak
5114fi
5115if test "$sendfile" = "yes" ; then
5116  echo "CONFIG_SENDFILE=y" >> $config_host_mak
5117fi
5118if test "$timerfd" = "yes" ; then
5119  echo "CONFIG_TIMERFD=y" >> $config_host_mak
5120fi
5121if test "$setns" = "yes" ; then
5122  echo "CONFIG_SETNS=y" >> $config_host_mak
5123fi
5124if test "$inotify" = "yes" ; then
5125  echo "CONFIG_INOTIFY=y" >> $config_host_mak
5126fi
5127if test "$inotify1" = "yes" ; then
5128  echo "CONFIG_INOTIFY1=y" >> $config_host_mak
5129fi
5130if test "$byteswap_h" = "yes" ; then
5131  echo "CONFIG_BYTESWAP_H=y" >> $config_host_mak
5132fi
5133if test "$bswap_h" = "yes" ; then
5134  echo "CONFIG_MACHINE_BSWAP_H=y" >> $config_host_mak
5135fi
5136if test "$curl" = "yes" ; then
5137  echo "CONFIG_CURL=m" >> $config_host_mak
5138  echo "CURL_CFLAGS=$curl_cflags" >> $config_host_mak
5139  echo "CURL_LIBS=$curl_libs" >> $config_host_mak
5140fi
5141if test "$brlapi" = "yes" ; then
5142  echo "CONFIG_BRLAPI=y" >> $config_host_mak
5143fi
5144if test "$bluez" = "yes" ; then
5145  echo "CONFIG_BLUEZ=y" >> $config_host_mak
5146  echo "BLUEZ_CFLAGS=$bluez_cflags" >> $config_host_mak
5147fi
5148if test "$glib_subprocess" = "yes" ; then
5149  echo "CONFIG_HAS_GLIB_SUBPROCESS_TESTS=y" >> $config_host_mak
5150fi
5151echo "GLIB_CFLAGS=$glib_cflags" >> $config_host_mak
5152if test "$gtk" = "yes" ; then
5153  echo "CONFIG_GTK=y" >> $config_host_mak
5154  echo "CONFIG_GTKABI=$gtkabi" >> $config_host_mak
5155  echo "GTK_CFLAGS=$gtk_cflags" >> $config_host_mak
5156  echo "GTK_LIBS=$gtk_libs" >> $config_host_mak
5157  if test "$gtk_gl" = "yes" ; then
5158    echo "CONFIG_GTK_GL=y" >> $config_host_mak
5159  fi
5160fi
5161if test "$gnutls" = "yes" ; then
5162  echo "CONFIG_GNUTLS=y" >> $config_host_mak
5163fi
5164if test "$gnutls_hash" = "yes" ; then
5165  echo "CONFIG_GNUTLS_HASH=y" >> $config_host_mak
5166fi
5167if test "$gnutls_rnd" = "yes" ; then
5168  echo "CONFIG_GNUTLS_RND=y" >> $config_host_mak
5169fi
5170if test "$gcrypt" = "yes" ; then
5171  echo "CONFIG_GCRYPT=y" >> $config_host_mak
5172  if test "$gcrypt_kdf" = "yes" ; then
5173    echo "CONFIG_GCRYPT_KDF=y" >> $config_host_mak
5174  fi
5175fi
5176if test "$nettle" = "yes" ; then
5177  echo "CONFIG_NETTLE=y" >> $config_host_mak
5178  echo "CONFIG_NETTLE_VERSION_MAJOR=${nettle_version%%.*}" >> $config_host_mak
5179  if test "$nettle_kdf" = "yes" ; then
5180    echo "CONFIG_NETTLE_KDF=y" >> $config_host_mak
5181  fi
5182fi
5183if test "$tasn1" = "yes" ; then
5184  echo "CONFIG_TASN1=y" >> $config_host_mak
5185fi
5186if test "$have_ifaddrs_h" = "yes" ; then
5187    echo "HAVE_IFADDRS_H=y" >> $config_host_mak
5188fi
5189
5190# Work around a system header bug with some kernel/XFS header
5191# versions where they both try to define 'struct fsxattr':
5192# xfs headers will not try to redefine structs from linux headers
5193# if this macro is set.
5194if test "$have_fsxattr" = "yes" ; then
5195    echo "HAVE_FSXATTR=y" >> $config_host_mak
5196fi
5197if test "$vte" = "yes" ; then
5198  echo "CONFIG_VTE=y" >> $config_host_mak
5199  echo "VTE_CFLAGS=$vte_cflags" >> $config_host_mak
5200fi
5201if test "$virglrenderer" = "yes" ; then
5202  echo "CONFIG_VIRGL=y" >> $config_host_mak
5203  echo "VIRGL_CFLAGS=$virgl_cflags" >> $config_host_mak
5204  echo "VIRGL_LIBS=$virgl_libs" >> $config_host_mak
5205fi
5206if test "$xen" = "yes" ; then
5207  echo "CONFIG_XEN_BACKEND=y" >> $config_host_mak
5208  echo "CONFIG_XEN_CTRL_INTERFACE_VERSION=$xen_ctrl_version" >> $config_host_mak
5209  if test "$xen_pv_domain_build" = "yes" ; then
5210    echo "CONFIG_XEN_PV_DOMAIN_BUILD=y" >> $config_host_mak
5211  fi
5212fi
5213if test "$linux_aio" = "yes" ; then
5214  echo "CONFIG_LINUX_AIO=y" >> $config_host_mak
5215fi
5216if test "$attr" = "yes" ; then
5217  echo "CONFIG_ATTR=y" >> $config_host_mak
5218fi
5219if test "$libattr" = "yes" ; then
5220  echo "CONFIG_LIBATTR=y" >> $config_host_mak
5221fi
5222if test "$virtfs" = "yes" ; then
5223  echo "CONFIG_VIRTFS=y" >> $config_host_mak
5224fi
5225if test "$vhost_scsi" = "yes" ; then
5226  echo "CONFIG_VHOST_SCSI=y" >> $config_host_mak
5227fi
5228if test "$vhost_net" = "yes" ; then
5229  echo "CONFIG_VHOST_NET_USED=y" >> $config_host_mak
5230fi
5231if test "$blobs" = "yes" ; then
5232  echo "INSTALL_BLOBS=yes" >> $config_host_mak
5233fi
5234if test "$iovec" = "yes" ; then
5235  echo "CONFIG_IOVEC=y" >> $config_host_mak
5236fi
5237if test "$preadv" = "yes" ; then
5238  echo "CONFIG_PREADV=y" >> $config_host_mak
5239fi
5240if test "$fdt" = "yes" ; then
5241  echo "CONFIG_FDT=y" >> $config_host_mak
5242fi
5243if test "$signalfd" = "yes" ; then
5244  echo "CONFIG_SIGNALFD=y" >> $config_host_mak
5245fi
5246if test "$tcg_interpreter" = "yes" ; then
5247  echo "CONFIG_TCG_INTERPRETER=y" >> $config_host_mak
5248fi
5249if test "$fdatasync" = "yes" ; then
5250  echo "CONFIG_FDATASYNC=y" >> $config_host_mak
5251fi
5252if test "$madvise" = "yes" ; then
5253  echo "CONFIG_MADVISE=y" >> $config_host_mak
5254fi
5255if test "$posix_madvise" = "yes" ; then
5256  echo "CONFIG_POSIX_MADVISE=y" >> $config_host_mak
5257fi
5258
5259if test "$spice" = "yes" ; then
5260  echo "CONFIG_SPICE=y" >> $config_host_mak
5261fi
5262
5263if test "$smartcard" = "yes" ; then
5264  echo "CONFIG_SMARTCARD=y" >> $config_host_mak
5265fi
5266
5267if test "$libusb" = "yes" ; then
5268  echo "CONFIG_USB_LIBUSB=y" >> $config_host_mak
5269fi
5270
5271if test "$usb_redir" = "yes" ; then
5272  echo "CONFIG_USB_REDIR=y" >> $config_host_mak
5273fi
5274
5275if test "$opengl" = "yes" ; then
5276  echo "CONFIG_OPENGL=y" >> $config_host_mak
5277  echo "OPENGL_CFLAGS=$opengl_cflags" >> $config_host_mak
5278  echo "OPENGL_LIBS=$opengl_libs" >> $config_host_mak
5279  if test "$opengl_dmabuf" = "yes" ; then
5280    echo "CONFIG_OPENGL_DMABUF=y" >> $config_host_mak
5281  fi
5282fi
5283
5284if test "$avx2_opt" = "yes" ; then
5285  echo "CONFIG_AVX2_OPT=y" >> $config_host_mak
5286fi
5287
5288if test "$lzo" = "yes" ; then
5289  echo "CONFIG_LZO=y" >> $config_host_mak
5290fi
5291
5292if test "$snappy" = "yes" ; then
5293  echo "CONFIG_SNAPPY=y" >> $config_host_mak
5294fi
5295
5296if test "$bzip2" = "yes" ; then
5297  echo "CONFIG_BZIP2=y" >> $config_host_mak
5298  echo "BZIP2_LIBS=-lbz2" >> $config_host_mak
5299fi
5300
5301if test "$libiscsi" = "yes" ; then
5302  echo "CONFIG_LIBISCSI=m" >> $config_host_mak
5303  echo "LIBISCSI_CFLAGS=$libiscsi_cflags" >> $config_host_mak
5304  echo "LIBISCSI_LIBS=$libiscsi_libs" >> $config_host_mak
5305fi
5306
5307if test "$libnfs" = "yes" ; then
5308  echo "CONFIG_LIBNFS=y" >> $config_host_mak
5309fi
5310
5311if test "$seccomp" = "yes"; then
5312  echo "CONFIG_SECCOMP=y" >> $config_host_mak
5313fi
5314
5315# XXX: suppress that
5316if [ "$bsd" = "yes" ] ; then
5317  echo "CONFIG_BSD=y" >> $config_host_mak
5318fi
5319
5320if test "$localtime_r" = "yes" ; then
5321  echo "CONFIG_LOCALTIME_R=y" >> $config_host_mak
5322fi
5323if test "$qom_cast_debug" = "yes" ; then
5324  echo "CONFIG_QOM_CAST_DEBUG=y" >> $config_host_mak
5325fi
5326if test "$rbd" = "yes" ; then
5327  echo "CONFIG_RBD=m" >> $config_host_mak
5328  echo "RBD_CFLAGS=$rbd_cflags" >> $config_host_mak
5329  echo "RBD_LIBS=$rbd_libs" >> $config_host_mak
5330fi
5331
5332echo "CONFIG_COROUTINE_BACKEND=$coroutine" >> $config_host_mak
5333if test "$coroutine_pool" = "yes" ; then
5334  echo "CONFIG_COROUTINE_POOL=1" >> $config_host_mak
5335else
5336  echo "CONFIG_COROUTINE_POOL=0" >> $config_host_mak
5337fi
5338
5339if test "$open_by_handle_at" = "yes" ; then
5340  echo "CONFIG_OPEN_BY_HANDLE=y" >> $config_host_mak
5341fi
5342
5343if test "$linux_magic_h" = "yes" ; then
5344  echo "CONFIG_LINUX_MAGIC_H=y" >> $config_host_mak
5345fi
5346
5347if test "$pragma_diagnostic_available" = "yes" ; then
5348  echo "CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE=y" >> $config_host_mak
5349fi
5350
5351if test "$valgrind_h" = "yes" ; then
5352  echo "CONFIG_VALGRIND_H=y" >> $config_host_mak
5353fi
5354
5355if test "$has_environ" = "yes" ; then
5356  echo "CONFIG_HAS_ENVIRON=y" >> $config_host_mak
5357fi
5358
5359if test "$cpuid_h" = "yes" ; then
5360  echo "CONFIG_CPUID_H=y" >> $config_host_mak
5361fi
5362
5363if test "$int128" = "yes" ; then
5364  echo "CONFIG_INT128=y" >> $config_host_mak
5365fi
5366
5367if test "$getauxval" = "yes" ; then
5368  echo "CONFIG_GETAUXVAL=y" >> $config_host_mak
5369fi
5370
5371if test "$glusterfs" = "yes" ; then
5372  echo "CONFIG_GLUSTERFS=m" >> $config_host_mak
5373  echo "GLUSTERFS_CFLAGS=$glusterfs_cflags" >> $config_host_mak
5374  echo "GLUSTERFS_LIBS=$glusterfs_libs" >> $config_host_mak
5375fi
5376
5377if test "$glusterfs_xlator_opt" = "yes" ; then
5378  echo "CONFIG_GLUSTERFS_XLATOR_OPT=y" >> $config_host_mak
5379fi
5380
5381if test "$glusterfs_discard" = "yes" ; then
5382  echo "CONFIG_GLUSTERFS_DISCARD=y" >> $config_host_mak
5383fi
5384
5385if test "$glusterfs_zerofill" = "yes" ; then
5386  echo "CONFIG_GLUSTERFS_ZEROFILL=y" >> $config_host_mak
5387fi
5388
5389if test "$archipelago" = "yes" ; then
5390  echo "CONFIG_ARCHIPELAGO=m" >> $config_host_mak
5391  echo "ARCHIPELAGO_LIBS=$archipelago_libs" >> $config_host_mak
5392fi
5393
5394if test "$libssh2" = "yes" ; then
5395  echo "CONFIG_LIBSSH2=m" >> $config_host_mak
5396  echo "LIBSSH2_CFLAGS=$libssh2_cflags" >> $config_host_mak
5397  echo "LIBSSH2_LIBS=$libssh2_libs" >> $config_host_mak
5398fi
5399
5400if test "$vhdx" = "yes" ; then
5401  echo "CONFIG_VHDX=y" >> $config_host_mak
5402fi
5403
5404# USB host support
5405if test "$libusb" = "yes"; then
5406  echo "HOST_USB=libusb legacy" >> $config_host_mak
5407else
5408  echo "HOST_USB=stub" >> $config_host_mak
5409fi
5410
5411# TPM passthrough support?
5412if test "$tpm" = "yes"; then
5413  echo 'CONFIG_TPM=$(CONFIG_SOFTMMU)' >> $config_host_mak
5414  if test "$tpm_passthrough" = "yes"; then
5415    echo "CONFIG_TPM_PASSTHROUGH=y" >> $config_host_mak
5416  fi
5417fi
5418
5419echo "TRACE_BACKENDS=$trace_backends" >> $config_host_mak
5420if have_backend "nop"; then
5421  echo "CONFIG_TRACE_NOP=y" >> $config_host_mak
5422fi
5423if have_backend "simple"; then
5424  echo "CONFIG_TRACE_SIMPLE=y" >> $config_host_mak
5425  # Set the appropriate trace file.
5426  trace_file="\"$trace_file-\" FMT_pid"
5427fi
5428if have_backend "log"; then
5429  echo "CONFIG_TRACE_LOG=y" >> $config_host_mak
5430fi
5431if have_backend "ust"; then
5432  echo "CONFIG_TRACE_UST=y" >> $config_host_mak
5433fi
5434if have_backend "dtrace"; then
5435  echo "CONFIG_TRACE_DTRACE=y" >> $config_host_mak
5436  if test "$trace_backend_stap" = "yes" ; then
5437    echo "CONFIG_TRACE_SYSTEMTAP=y" >> $config_host_mak
5438  fi
5439fi
5440if have_backend "ftrace"; then
5441  if test "$linux" = "yes" ; then
5442    echo "CONFIG_TRACE_FTRACE=y" >> $config_host_mak
5443  else
5444    feature_not_found "ftrace(trace backend)" "ftrace requires Linux"
5445  fi
5446fi
5447echo "CONFIG_TRACE_FILE=$trace_file" >> $config_host_mak
5448
5449if test "$rdma" = "yes" ; then
5450  echo "CONFIG_RDMA=y" >> $config_host_mak
5451fi
5452
5453if test "$have_rtnetlink" = "yes" ; then
5454  echo "CONFIG_RTNETLINK=y" >> $config_host_mak
5455fi
5456
5457# Hold two types of flag:
5458#   CONFIG_THREAD_SETNAME_BYTHREAD  - we've got a way of setting the name on
5459#                                     a thread we have a handle to
5460#   CONFIG_PTHREAD_SETNAME_NP       - A way of doing it on a particular
5461#                                     platform
5462if test "$pthread_setname_np" = "yes" ; then
5463  echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak
5464  echo "CONFIG_PTHREAD_SETNAME_NP=y" >> $config_host_mak
5465fi
5466
5467if test "$tcg_interpreter" = "yes"; then
5468  QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/tci $QEMU_INCLUDES"
5469elif test "$ARCH" = "sparc64" ; then
5470  QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/sparc $QEMU_INCLUDES"
5471elif test "$ARCH" = "s390x" ; then
5472  QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/s390 $QEMU_INCLUDES"
5473elif test "$ARCH" = "x86_64" -o "$ARCH" = "x32" ; then
5474  QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/i386 $QEMU_INCLUDES"
5475elif test "$ARCH" = "ppc64" ; then
5476  QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/ppc $QEMU_INCLUDES"
5477else
5478  QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/\$(ARCH) $QEMU_INCLUDES"
5479fi
5480QEMU_INCLUDES="-I\$(SRC_PATH)/tcg $QEMU_INCLUDES"
5481
5482echo "TOOLS=$tools" >> $config_host_mak
5483echo "ROMS=$roms" >> $config_host_mak
5484echo "MAKE=$make" >> $config_host_mak
5485echo "INSTALL=$install" >> $config_host_mak
5486echo "INSTALL_DIR=$install -d -m 0755" >> $config_host_mak
5487echo "INSTALL_DATA=$install -c -m 0644" >> $config_host_mak
5488echo "INSTALL_PROG=$install -c -m 0755" >> $config_host_mak
5489echo "INSTALL_LIB=$install -c -m 0644" >> $config_host_mak
5490echo "PYTHON=$python" >> $config_host_mak
5491echo "CC=$cc" >> $config_host_mak
5492if $iasl -h > /dev/null 2>&1; then
5493  echo "IASL=$iasl" >> $config_host_mak
5494fi
5495echo "CC_I386=$cc_i386" >> $config_host_mak
5496echo "HOST_CC=$host_cc" >> $config_host_mak
5497echo "CXX=$cxx" >> $config_host_mak
5498echo "OBJCC=$objcc" >> $config_host_mak
5499echo "AR=$ar" >> $config_host_mak
5500echo "ARFLAGS=$ARFLAGS" >> $config_host_mak
5501echo "AS=$as" >> $config_host_mak
5502echo "CPP=$cpp" >> $config_host_mak
5503echo "OBJCOPY=$objcopy" >> $config_host_mak
5504echo "LD=$ld" >> $config_host_mak
5505echo "NM=$nm" >> $config_host_mak
5506echo "WINDRES=$windres" >> $config_host_mak
5507echo "CFLAGS=$CFLAGS" >> $config_host_mak
5508echo "CFLAGS_NOPIE=$CFLAGS_NOPIE" >> $config_host_mak
5509echo "QEMU_CFLAGS=$QEMU_CFLAGS" >> $config_host_mak
5510echo "QEMU_INCLUDES=$QEMU_INCLUDES" >> $config_host_mak
5511if test "$sparse" = "yes" ; then
5512  echo "CC           := REAL_CC=\"\$(CC)\" cgcc"       >> $config_host_mak
5513  echo "CPP          := REAL_CC=\"\$(CPP)\" cgcc"      >> $config_host_mak
5514  echo "CXX          := REAL_CC=\"\$(CXX)\" cgcc"      >> $config_host_mak
5515  echo "HOST_CC      := REAL_CC=\"\$(HOST_CC)\" cgcc"  >> $config_host_mak
5516  echo "QEMU_CFLAGS  += -Wbitwise -Wno-transparent-union -Wno-old-initializer -Wno-non-pointer-null" >> $config_host_mak
5517fi
5518if test "$cross_prefix" != ""; then
5519  echo "AUTOCONF_HOST := --host=${cross_prefix%-}"     >> $config_host_mak
5520else
5521  echo "AUTOCONF_HOST := "                             >> $config_host_mak
5522fi
5523echo "LDFLAGS=$LDFLAGS" >> $config_host_mak
5524echo "LDFLAGS_NOPIE=$LDFLAGS_NOPIE" >> $config_host_mak
5525echo "LD_REL_FLAGS=$LD_REL_FLAGS" >> $config_host_mak
5526echo "LIBS+=$LIBS" >> $config_host_mak
5527echo "LIBS_TOOLS+=$libs_tools" >> $config_host_mak
5528echo "EXESUF=$EXESUF" >> $config_host_mak
5529echo "DSOSUF=$DSOSUF" >> $config_host_mak
5530echo "LDFLAGS_SHARED=$LDFLAGS_SHARED" >> $config_host_mak
5531echo "LIBS_QGA+=$libs_qga" >> $config_host_mak
5532echo "TASN1_LIBS=$tasn1_libs" >> $config_host_mak
5533echo "TASN1_CFLAGS=$tasn1_cflags" >> $config_host_mak
5534echo "POD2MAN=$POD2MAN" >> $config_host_mak
5535echo "TRANSLATE_OPT_CFLAGS=$TRANSLATE_OPT_CFLAGS" >> $config_host_mak
5536if test "$gcov" = "yes" ; then
5537  echo "CONFIG_GCOV=y" >> $config_host_mak
5538  echo "GCOV=$gcov_tool" >> $config_host_mak
5539fi
5540
5541# use included Linux headers
5542if test "$linux" = "yes" ; then
5543  mkdir -p linux-headers
5544  case "$cpu" in
5545  i386|x86_64|x32)
5546    linux_arch=x86
5547    ;;
5548  ppcemb|ppc|ppc64)
5549    linux_arch=powerpc
5550    ;;
5551  s390x)
5552    linux_arch=s390
5553    ;;
5554  aarch64)
5555    linux_arch=arm64
5556    ;;
5557  mips64)
5558    linux_arch=mips
5559    ;;
5560  *)
5561    # For most CPUs the kernel architecture name and QEMU CPU name match.
5562    linux_arch="$cpu"
5563    ;;
5564  esac
5565    # For non-KVM architectures we will not have asm headers
5566    if [ -e "$source_path/linux-headers/asm-$linux_arch" ]; then
5567      symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm
5568    fi
5569fi
5570
5571for target in $target_list; do
5572target_dir="$target"
5573config_target_mak=$target_dir/config-target.mak
5574target_name=$(echo $target | cut -d '-' -f 1)
5575target_bigendian="no"
5576
5577case "$target_name" in
5578  armeb|lm32|m68k|microblaze|mips|mipsn32|mips64|moxie|or32|ppc|ppcemb|ppc64|ppc64abi32|s390x|sh4eb|sparc|sparc64|sparc32plus|xtensaeb)
5579  target_bigendian=yes
5580  ;;
5581esac
5582target_softmmu="no"
5583target_user_only="no"
5584target_linux_user="no"
5585target_bsd_user="no"
5586case "$target" in
5587  ${target_name}-softmmu)
5588    target_softmmu="yes"
5589    ;;
5590  ${target_name}-linux-user)
5591    if test "$linux" != "yes" ; then
5592      error_exit "Target '$target' is only available on a Linux host"
5593    fi
5594    target_user_only="yes"
5595    target_linux_user="yes"
5596    ;;
5597  ${target_name}-bsd-user)
5598    if test "$bsd" != "yes" ; then
5599      error_exit "Target '$target' is only available on a BSD host"
5600    fi
5601    target_user_only="yes"
5602    target_bsd_user="yes"
5603    ;;
5604  *)
5605    error_exit "Target '$target' not recognised"
5606    exit 1
5607    ;;
5608esac
5609
5610mkdir -p $target_dir
5611echo "# Automatically generated by configure - do not modify" > $config_target_mak
5612
5613bflt="no"
5614interp_prefix1=$(echo "$interp_prefix" | sed "s/%M/$target_name/g")
5615gdb_xml_files=""
5616
5617TARGET_ARCH="$target_name"
5618TARGET_BASE_ARCH=""
5619TARGET_ABI_DIR=""
5620
5621case "$target_name" in
5622  i386)
5623  ;;
5624  x86_64)
5625    TARGET_BASE_ARCH=i386
5626  ;;
5627  alpha)
5628  ;;
5629  arm|armeb)
5630    TARGET_ARCH=arm
5631    bflt="yes"
5632    gdb_xml_files="arm-core.xml arm-vfp.xml arm-vfp3.xml arm-neon.xml"
5633  ;;
5634  aarch64)
5635    TARGET_BASE_ARCH=arm
5636    bflt="yes"
5637    gdb_xml_files="aarch64-core.xml aarch64-fpu.xml arm-core.xml arm-vfp.xml arm-vfp3.xml arm-neon.xml"
5638  ;;
5639  cris)
5640  ;;
5641  lm32)
5642  ;;
5643  m68k)
5644    bflt="yes"
5645    gdb_xml_files="cf-core.xml cf-fp.xml"
5646  ;;
5647  microblaze|microblazeel)
5648    TARGET_ARCH=microblaze
5649    bflt="yes"
5650  ;;
5651  mips|mipsel)
5652    TARGET_ARCH=mips
5653    echo "TARGET_ABI_MIPSO32=y" >> $config_target_mak
5654  ;;
5655  mipsn32|mipsn32el)
5656    TARGET_ARCH=mips64
5657    TARGET_BASE_ARCH=mips
5658    echo "TARGET_ABI_MIPSN32=y" >> $config_target_mak
5659    echo "TARGET_ABI32=y" >> $config_target_mak
5660  ;;
5661  mips64|mips64el)
5662    TARGET_ARCH=mips64
5663    TARGET_BASE_ARCH=mips
5664    echo "TARGET_ABI_MIPSN64=y" >> $config_target_mak
5665  ;;
5666  moxie)
5667  ;;
5668  or32)
5669    TARGET_ARCH=openrisc
5670    TARGET_BASE_ARCH=openrisc
5671  ;;
5672  ppc)
5673    gdb_xml_files="power-core.xml power-fpu.xml power-altivec.xml power-spe.xml"
5674  ;;
5675  ppcemb)
5676    TARGET_BASE_ARCH=ppc
5677    TARGET_ABI_DIR=ppc
5678    gdb_xml_files="power-core.xml power-fpu.xml power-altivec.xml power-spe.xml"
5679  ;;
5680  ppc64)
5681    TARGET_BASE_ARCH=ppc
5682    TARGET_ABI_DIR=ppc
5683    gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
5684  ;;
5685  ppc64le)
5686    TARGET_ARCH=ppc64
5687    TARGET_BASE_ARCH=ppc
5688    TARGET_ABI_DIR=ppc
5689    gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
5690  ;;
5691  ppc64abi32)
5692    TARGET_ARCH=ppc64
5693    TARGET_BASE_ARCH=ppc
5694    TARGET_ABI_DIR=ppc
5695    echo "TARGET_ABI32=y" >> $config_target_mak
5696    gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
5697  ;;
5698  sh4|sh4eb)
5699    TARGET_ARCH=sh4
5700    bflt="yes"
5701  ;;
5702  sparc)
5703  ;;
5704  sparc64)
5705    TARGET_BASE_ARCH=sparc
5706  ;;
5707  sparc32plus)
5708    TARGET_ARCH=sparc64
5709    TARGET_BASE_ARCH=sparc
5710    TARGET_ABI_DIR=sparc
5711    echo "TARGET_ABI32=y" >> $config_target_mak
5712  ;;
5713  s390x)
5714    gdb_xml_files="s390x-core64.xml s390-acr.xml s390-fpr.xml s390-vx.xml s390-cr.xml s390-virt.xml"
5715  ;;
5716  tilegx)
5717  ;;
5718  tricore)
5719  ;;
5720  unicore32)
5721  ;;
5722  xtensa|xtensaeb)
5723    TARGET_ARCH=xtensa
5724  ;;
5725  *)
5726    error_exit "Unsupported target CPU"
5727  ;;
5728esac
5729# TARGET_BASE_ARCH needs to be defined after TARGET_ARCH
5730if [ "$TARGET_BASE_ARCH" = "" ]; then
5731  TARGET_BASE_ARCH=$TARGET_ARCH
5732fi
5733
5734symlink "$source_path/Makefile.target" "$target_dir/Makefile"
5735
5736upper() {
5737    echo "$@"| LC_ALL=C tr '[a-z]' '[A-Z]'
5738}
5739
5740target_arch_name="$(upper $TARGET_ARCH)"
5741echo "TARGET_$target_arch_name=y" >> $config_target_mak
5742echo "TARGET_NAME=$target_name" >> $config_target_mak
5743echo "TARGET_BASE_ARCH=$TARGET_BASE_ARCH" >> $config_target_mak
5744if [ "$TARGET_ABI_DIR" = "" ]; then
5745  TARGET_ABI_DIR=$TARGET_ARCH
5746fi
5747echo "TARGET_ABI_DIR=$TARGET_ABI_DIR" >> $config_target_mak
5748if [ "$HOST_VARIANT_DIR" != "" ]; then
5749    echo "HOST_VARIANT_DIR=$HOST_VARIANT_DIR" >> $config_target_mak
5750fi
5751case "$target_name" in
5752  i386|x86_64)
5753    if test "$xen" = "yes" -a "$target_softmmu" = "yes" ; then
5754      echo "CONFIG_XEN=y" >> $config_target_mak
5755      if test "$xen_pci_passthrough" = yes; then
5756        echo "CONFIG_XEN_PCI_PASSTHROUGH=y" >> "$config_target_mak"
5757      fi
5758    fi
5759    ;;
5760  *)
5761esac
5762case "$target_name" in
5763  aarch64|arm|i386|x86_64|ppcemb|ppc|ppc64|s390x|mipsel|mips)
5764    # Make sure the target and host cpus are compatible
5765    if test "$kvm" = "yes" -a "$target_softmmu" = "yes" -a \
5766      \( "$target_name" = "$cpu" -o \
5767      \( "$target_name" = "ppcemb" -a "$cpu" = "ppc" \) -o \
5768      \( "$target_name" = "ppc64"  -a "$cpu" = "ppc" \) -o \
5769      \( "$target_name" = "ppc"    -a "$cpu" = "ppc64" \) -o \
5770      \( "$target_name" = "ppcemb" -a "$cpu" = "ppc64" \) -o \
5771      \( "$target_name" = "mipsel" -a "$cpu" = "mips" \) -o \
5772      \( "$target_name" = "x86_64" -a "$cpu" = "i386"   \) -o \
5773      \( "$target_name" = "i386"   -a "$cpu" = "x86_64" \) -o \
5774      \( "$target_name" = "x86_64" -a "$cpu" = "x32"   \) -o \
5775      \( "$target_name" = "i386"   -a "$cpu" = "x32" \) \) ; then
5776      echo "CONFIG_KVM=y" >> $config_target_mak
5777      if test "$vhost_net" = "yes" ; then
5778        echo "CONFIG_VHOST_NET=y" >> $config_target_mak
5779        echo "CONFIG_VHOST_NET_TEST_$target_name=y" >> $config_host_mak
5780      fi
5781    fi
5782esac
5783if test "$target_bigendian" = "yes" ; then
5784  echo "TARGET_WORDS_BIGENDIAN=y" >> $config_target_mak
5785fi
5786if test "$target_softmmu" = "yes" ; then
5787  echo "CONFIG_SOFTMMU=y" >> $config_target_mak
5788fi
5789if test "$target_user_only" = "yes" ; then
5790  echo "CONFIG_USER_ONLY=y" >> $config_target_mak
5791  echo "CONFIG_QEMU_INTERP_PREFIX=\"$interp_prefix1\"" >> $config_target_mak
5792fi
5793if test "$target_linux_user" = "yes" ; then
5794  echo "CONFIG_LINUX_USER=y" >> $config_target_mak
5795fi
5796list=""
5797if test ! -z "$gdb_xml_files" ; then
5798  for x in $gdb_xml_files; do
5799    list="$list $source_path/gdb-xml/$x"
5800  done
5801  echo "TARGET_XML_FILES=$list" >> $config_target_mak
5802fi
5803
5804if test "$target_user_only" = "yes" -a "$bflt" = "yes"; then
5805  echo "TARGET_HAS_BFLT=y" >> $config_target_mak
5806fi
5807if test "$target_bsd_user" = "yes" ; then
5808  echo "CONFIG_BSD_USER=y" >> $config_target_mak
5809fi
5810
5811# generate QEMU_CFLAGS/LDFLAGS for targets
5812
5813cflags=""
5814ldflags=""
5815
5816disas_config() {
5817  echo "CONFIG_${1}_DIS=y" >> $config_target_mak
5818  echo "CONFIG_${1}_DIS=y" >> config-all-disas.mak
5819}
5820
5821for i in $ARCH $TARGET_BASE_ARCH ; do
5822  case "$i" in
5823  alpha)
5824    disas_config "ALPHA"
5825  ;;
5826  aarch64)
5827    if test -n "${cxx}"; then
5828      disas_config "ARM_A64"
5829    fi
5830  ;;
5831  arm)
5832    disas_config "ARM"
5833    if test -n "${cxx}"; then
5834      disas_config "ARM_A64"
5835    fi
5836  ;;
5837  cris)
5838    disas_config "CRIS"
5839  ;;
5840  hppa)
5841    disas_config "HPPA"
5842  ;;
5843  i386|x86_64|x32)
5844    disas_config "I386"
5845  ;;
5846  ia64*)
5847    disas_config "IA64"
5848  ;;
5849  lm32)
5850    disas_config "LM32"
5851  ;;
5852  m68k)
5853    disas_config "M68K"
5854  ;;
5855  microblaze*)
5856    disas_config "MICROBLAZE"
5857  ;;
5858  mips*)
5859    disas_config "MIPS"
5860  ;;
5861  moxie*)
5862    disas_config "MOXIE"
5863  ;;
5864  or32)
5865    disas_config "OPENRISC"
5866  ;;
5867  ppc*)
5868    disas_config "PPC"
5869  ;;
5870  s390*)
5871    disas_config "S390"
5872  ;;
5873  sh4)
5874    disas_config "SH4"
5875  ;;
5876  sparc*)
5877    disas_config "SPARC"
5878  ;;
5879  xtensa*)
5880    disas_config "XTENSA"
5881  ;;
5882  esac
5883done
5884if test "$tcg_interpreter" = "yes" ; then
5885  disas_config "TCI"
5886fi
5887
5888case "$ARCH" in
5889alpha)
5890  # Ensure there's only a single GP
5891  cflags="-msmall-data $cflags"
5892;;
5893esac
5894
5895if test "$gprof" = "yes" ; then
5896  echo "TARGET_GPROF=yes" >> $config_target_mak
5897  if test "$target_linux_user" = "yes" ; then
5898    cflags="-p $cflags"
5899    ldflags="-p $ldflags"
5900  fi
5901  if test "$target_softmmu" = "yes" ; then
5902    ldflags="-p $ldflags"
5903    echo "GPROF_CFLAGS=-p" >> $config_target_mak
5904  fi
5905fi
5906
5907if test "$target_linux_user" = "yes" -o "$target_bsd_user" = "yes" ; then
5908  ldflags="$ldflags $textseg_ldflags"
5909fi
5910
5911echo "LDFLAGS+=$ldflags" >> $config_target_mak
5912echo "QEMU_CFLAGS+=$cflags" >> $config_target_mak
5913
5914done # for target in $targets
5915
5916if [ "$pixman" = "internal" ]; then
5917  echo "config-host.h: subdir-pixman" >> $config_host_mak
5918fi
5919
5920if [ "$dtc_internal" = "yes" ]; then
5921  echo "config-host.h: subdir-dtc" >> $config_host_mak
5922fi
5923
5924if test "$numa" = "yes"; then
5925  echo "CONFIG_NUMA=y" >> $config_host_mak
5926fi
5927
5928if test "$ccache_cpp2" = "yes"; then
5929  echo "export CCACHE_CPP2=y" >> $config_host_mak
5930fi
5931
5932# build tree in object directory in case the source is not in the current directory
5933DIRS="tests tests/tcg tests/tcg/cris tests/tcg/lm32 tests/libqos tests/qapi-schema tests/tcg/xtensa tests/qemu-iotests"
5934DIRS="$DIRS fsdev"
5935DIRS="$DIRS pc-bios/optionrom pc-bios/spapr-rtas pc-bios/s390-ccw"
5936DIRS="$DIRS roms/seabios roms/vgabios"
5937DIRS="$DIRS qapi-generated"
5938FILES="Makefile tests/tcg/Makefile qdict-test-data.txt"
5939FILES="$FILES tests/tcg/cris/Makefile tests/tcg/cris/.gdbinit"
5940FILES="$FILES tests/tcg/lm32/Makefile tests/tcg/xtensa/Makefile po/Makefile"
5941FILES="$FILES pc-bios/optionrom/Makefile pc-bios/keymaps"
5942FILES="$FILES pc-bios/spapr-rtas/Makefile"
5943FILES="$FILES pc-bios/s390-ccw/Makefile"
5944FILES="$FILES roms/seabios/Makefile roms/vgabios/Makefile"
5945FILES="$FILES pc-bios/qemu-icon.bmp"
5946for bios_file in \
5947    $source_path/pc-bios/*.bin \
5948    $source_path/pc-bios/*.aml \
5949    $source_path/pc-bios/*.rom \
5950    $source_path/pc-bios/*.dtb \
5951    $source_path/pc-bios/*.img \
5952    $source_path/pc-bios/openbios-* \
5953    $source_path/pc-bios/u-boot.* \
5954    $source_path/pc-bios/palcode-*
5955do
5956    FILES="$FILES pc-bios/$(basename $bios_file)"
5957done
5958for test_file in $(find $source_path/tests/acpi-test-data -type f)
5959do
5960    FILES="$FILES tests/acpi-test-data$(echo $test_file | sed -e 's/.*acpi-test-data//')"
5961done
5962mkdir -p $DIRS
5963for f in $FILES ; do
5964    if [ -e "$source_path/$f" ] && [ "$pwd_is_source_path" != "y" ]; then
5965        symlink "$source_path/$f" "$f"
5966    fi
5967done
5968
5969# temporary config to build submodules
5970for rom in seabios vgabios ; do
5971    config_mak=roms/$rom/config.mak
5972    echo "# Automatically generated by configure - do not modify" > $config_mak
5973    echo "SRC_PATH=$source_path/roms/$rom" >> $config_mak
5974    echo "AS=$as" >> $config_mak
5975    echo "CC=$cc" >> $config_mak
5976    echo "BCC=bcc" >> $config_mak
5977    echo "CPP=$cpp" >> $config_mak
5978    echo "OBJCOPY=objcopy" >> $config_mak
5979    echo "IASL=$iasl" >> $config_mak
5980    echo "LD=$ld" >> $config_mak
5981done
5982
5983# set up qemu-iotests in this build directory
5984iotests_common_env="tests/qemu-iotests/common.env"
5985iotests_check="tests/qemu-iotests/check"
5986
5987echo "# Automatically generated by configure - do not modify" > "$iotests_common_env"
5988echo >> "$iotests_common_env"
5989echo "export PYTHON='$python'" >> "$iotests_common_env"
5990
5991if [ ! -e "$iotests_check" ]; then
5992    symlink "$source_path/$iotests_check" "$iotests_check"
5993fi
5994
5995# Save the configure command line for later reuse.
5996cat <<EOD >config.status
5997#!/bin/sh
5998# Generated by configure.
5999# Run this file to recreate the current configuration.
6000# Compiler output produced by configure, useful for debugging
6001# configure, is in config.log if it exists.
6002EOD
6003printf "exec" >>config.status
6004printf " '%s'" "$0" "$@" >>config.status
6005echo ' "$@"' >>config.status
6006chmod +x config.status
6007
6008rm -r "$TMPDIR1"
6009