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# make source path absolute 15source_path=$(cd "$(dirname -- "$0")"; pwd) 16 17if test "$PWD" = "$source_path" 18then 19 echo "Using './build' as the directory for build output" 20 21 MARKER=build/auto-created-by-configure 22 23 if test -e build 24 then 25 if test -f $MARKER 26 then 27 rm -rf build 28 else 29 echo "ERROR: ./build dir already exists and was not previously created by configure" 30 exit 1 31 fi 32 fi 33 34 mkdir build 35 touch $MARKER 36 37 cat > GNUmakefile <<'EOF' 38# This file is auto-generated by configure to support in-source tree 39# 'make' command invocation 40 41ifeq ($(MAKECMDGOALS),) 42recurse: all 43endif 44 45.NOTPARALLEL: % 46%: force 47 @echo 'changing dir to build for $(MAKE) "$(MAKECMDGOALS)"...' 48 @$(MAKE) -C build -f Makefile $(MAKECMDGOALS) 49 @if test "$(MAKECMDGOALS)" = "distclean" && \ 50 test -e build/auto-created-by-configure ; \ 51 then \ 52 rm -rf build GNUmakefile ; \ 53 fi 54force: ; 55.PHONY: force 56GNUmakefile: ; 57 58EOF 59 cd build 60 exec $source_path/configure "$@" 61fi 62 63# Temporary directory used for files created while 64# configure runs. Since it is in the build directory 65# we can safely blow away any previous version of it 66# (and we need not jump through hoops to try to delete 67# it when configure exits.) 68TMPDIR1="config-temp" 69rm -rf "${TMPDIR1}" 70mkdir -p "${TMPDIR1}" 71if [ $? -ne 0 ]; then 72 echo "ERROR: failed to create temporary directory" 73 exit 1 74fi 75 76TMPB="qemu-conf" 77TMPC="${TMPDIR1}/${TMPB}.c" 78TMPO="${TMPDIR1}/${TMPB}.o" 79TMPCXX="${TMPDIR1}/${TMPB}.cxx" 80TMPM="${TMPDIR1}/${TMPB}.m" 81TMPE="${TMPDIR1}/${TMPB}.exe" 82 83rm -f config.log 84 85# Print a helpful header at the top of config.log 86echo "# QEMU configure log $(date)" >> config.log 87printf "# Configured with:" >> config.log 88printf " '%s'" "$0" "$@" >> config.log 89echo >> config.log 90echo "#" >> config.log 91 92quote_sh() { 93 printf "%s" "$1" | sed "s,','\\\\'',g; s,.*,'&'," 94} 95 96print_error() { 97 (echo 98 echo "ERROR: $1" 99 while test -n "$2"; do 100 echo " $2" 101 shift 102 done 103 echo) >&2 104} 105 106error_exit() { 107 print_error "$@" 108 exit 1 109} 110 111do_compiler() { 112 # Run the compiler, capturing its output to the log. First argument 113 # is compiler binary to execute. 114 compiler="$1" 115 shift 116 if test -n "$BASH_VERSION"; then eval ' 117 echo >>config.log " 118funcs: ${FUNCNAME[*]} 119lines: ${BASH_LINENO[*]}" 120 '; fi 121 echo $compiler "$@" >> config.log 122 $compiler "$@" >> config.log 2>&1 || return $? 123 # Test passed. If this is an --enable-werror build, rerun 124 # the test with -Werror and bail out if it fails. This 125 # makes warning-generating-errors in configure test code 126 # obvious to developers. 127 if test "$werror" != "yes"; then 128 return 0 129 fi 130 # Don't bother rerunning the compile if we were already using -Werror 131 case "$*" in 132 *-Werror*) 133 return 0 134 ;; 135 esac 136 echo $compiler -Werror "$@" >> config.log 137 $compiler -Werror "$@" >> config.log 2>&1 && return $? 138 error_exit "configure test passed without -Werror but failed with -Werror." \ 139 "This is probably a bug in the configure script. The failing command" \ 140 "will be at the bottom of config.log." \ 141 "You can run configure with --disable-werror to bypass this check." 142} 143 144do_cc() { 145 do_compiler "$cc" $CPU_CFLAGS "$@" 146} 147 148do_cxx() { 149 do_compiler "$cxx" $CPU_CFLAGS "$@" 150} 151 152do_objc() { 153 do_compiler "$objcc" $CPU_CFLAGS "$@" 154} 155 156# Append $2 to the variable named $1, with space separation 157add_to() { 158 eval $1=\${$1:+\"\$$1 \"}\$2 159} 160 161update_cxxflags() { 162 # Set QEMU_CXXFLAGS from QEMU_CFLAGS by filtering out those 163 # options which some versions of GCC's C++ compiler complain about 164 # because they only make sense for C programs. 165 QEMU_CXXFLAGS="-D__STDC_LIMIT_MACROS -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS" 166 CONFIGURE_CXXFLAGS=$(echo "$CONFIGURE_CFLAGS" | sed s/-std=gnu11/-std=gnu++11/) 167 for arg in $QEMU_CFLAGS; do 168 case $arg in 169 -Wstrict-prototypes|-Wmissing-prototypes|-Wnested-externs|\ 170 -Wold-style-declaration|-Wold-style-definition|-Wredundant-decls) 171 ;; 172 *) 173 QEMU_CXXFLAGS=${QEMU_CXXFLAGS:+$QEMU_CXXFLAGS }$arg 174 ;; 175 esac 176 done 177} 178 179compile_object() { 180 local_cflags="$1" 181 do_cc $CFLAGS $EXTRA_CFLAGS $CONFIGURE_CFLAGS $QEMU_CFLAGS $local_cflags -c -o $TMPO $TMPC 182} 183 184compile_prog() { 185 local_cflags="$1" 186 local_ldflags="$2" 187 do_cc $CFLAGS $EXTRA_CFLAGS $CONFIGURE_CFLAGS $QEMU_CFLAGS $local_cflags -o $TMPE $TMPC \ 188 $LDFLAGS $EXTRA_LDFLAGS $CONFIGURE_LDFLAGS $QEMU_LDFLAGS $local_ldflags 189} 190 191# symbolically link $1 to $2. Portable version of "ln -sf". 192symlink() { 193 rm -rf "$2" 194 mkdir -p "$(dirname "$2")" 195 ln -s "$1" "$2" 196} 197 198# check whether a command is available to this shell (may be either an 199# executable or a builtin) 200has() { 201 type "$1" >/dev/null 2>&1 202} 203 204version_ge () { 205 local_ver1=$(expr "$1" : '\([0-9.]*\)' | tr . ' ') 206 local_ver2=$(echo "$2" | tr . ' ') 207 while true; do 208 set x $local_ver1 209 local_first=${2-0} 210 # 'shift 2' if $2 is set, or 'shift' if $2 is not set 211 shift ${2:+2} 212 local_ver1=$* 213 set x $local_ver2 214 # the second argument finished, the first must be greater or equal 215 test $# = 1 && return 0 216 test $local_first -lt $2 && return 1 217 test $local_first -gt $2 && return 0 218 shift ${2:+2} 219 local_ver2=$* 220 done 221} 222 223glob() { 224 eval test -z '"${1#'"$2"'}"' 225} 226 227ld_has() { 228 $ld --help 2>/dev/null | grep ".$1" >/dev/null 2>&1 229} 230 231if printf %s\\n "$source_path" "$PWD" | grep -q "[[:space:]:]"; 232then 233 error_exit "main directory cannot contain spaces nor colons" 234fi 235 236# default parameters 237cpu="" 238iasl="iasl" 239interp_prefix="/usr/gnemul/qemu-%M" 240static="no" 241cross_compile="no" 242cross_prefix="" 243audio_drv_list="default" 244block_drv_rw_whitelist="" 245block_drv_ro_whitelist="" 246host_cc="cc" 247lto="false" 248stack_protector="" 249safe_stack="" 250use_containers="yes" 251gdb_bin=$(command -v "gdb-multiarch" || command -v "gdb") 252 253if test -e "$source_path/.git" 254then 255 git_submodules_action="update" 256else 257 git_submodules_action="ignore" 258fi 259 260git_submodules="ui/keycodemapdb" 261git="git" 262 263# Don't accept a target_list environment variable. 264unset target_list 265unset target_list_exclude 266 267# Default value for a variable defining feature "foo". 268# * foo="no" feature will only be used if --enable-foo arg is given 269# * foo="" feature will be searched for, and if found, will be used 270# unless --disable-foo is given 271# * foo="yes" this value will only be set by --enable-foo flag. 272# feature will searched for, 273# if not found, configure exits with error 274# 275# Always add --enable-foo and --disable-foo command line args. 276# Distributions want to ensure that several features are compiled in, and it 277# is impossible without a --enable-foo that exits if a feature is not found. 278 279default_feature="" 280# parse CC options second 281for opt do 282 optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)') 283 case "$opt" in 284 --without-default-features) 285 default_feature="no" 286 ;; 287 esac 288done 289 290EXTRA_CFLAGS="" 291EXTRA_CXXFLAGS="" 292EXTRA_OBJCFLAGS="" 293EXTRA_LDFLAGS="" 294 295xen_ctrl_version="$default_feature" 296vhost_kernel="$default_feature" 297vhost_net="$default_feature" 298vhost_crypto="$default_feature" 299vhost_scsi="$default_feature" 300vhost_vsock="$default_feature" 301vhost_user="no" 302vhost_user_fs="$default_feature" 303vhost_vdpa="$default_feature" 304debug_info="yes" 305debug_tcg="no" 306debug="no" 307sanitizers="no" 308tsan="no" 309fortify_source="yes" 310gcov="no" 311EXESUF="" 312modules="no" 313prefix="/usr/local" 314qemu_suffix="qemu" 315softmmu="yes" 316linux_user="" 317bsd_user="" 318pkgversion="" 319pie="" 320trace_file="trace" 321coroutine="" 322tls_priority="NORMAL" 323plugins="$default_feature" 324meson="" 325meson_args="" 326ninja="" 327skip_meson=no 328 329# The following Meson options are handled manually (still they 330# are included in the automatically generated help message) 331 332# 1. Track which submodules are needed 333if test "$default_feature" = no ; then 334 capstone="disabled" 335 slirp="disabled" 336else 337 capstone="auto" 338 slirp="auto" 339fi 340fdt="auto" 341 342# 2. Support --with/--without option 343default_devices="true" 344 345# 3. Automatically enable/disable other options 346tcg="enabled" 347cfi="false" 348 349# 4. Detection partly done in configure 350xen=${default_feature:+disabled} 351 352# parse CC options second 353for opt do 354 optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)') 355 case "$opt" in 356 --cross-prefix=*) cross_prefix="$optarg" 357 cross_compile="yes" 358 ;; 359 --cc=*) CC="$optarg" 360 ;; 361 --cxx=*) CXX="$optarg" 362 ;; 363 --cpu=*) cpu="$optarg" 364 ;; 365 --extra-cflags=*) 366 EXTRA_CFLAGS="$EXTRA_CFLAGS $optarg" 367 EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS $optarg" 368 EXTRA_OBJCFLAGS="$EXTRA_OBJCFLAGS $optarg" 369 ;; 370 --extra-cxxflags=*) EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS $optarg" 371 ;; 372 --extra-objcflags=*) EXTRA_OBJCFLAGS="$EXTRA_OBJCFLAGS $optarg" 373 ;; 374 --extra-ldflags=*) EXTRA_LDFLAGS="$EXTRA_LDFLAGS $optarg" 375 ;; 376 --cross-cc-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-cc-FOO option" 377 ;; 378 --cross-cc-cflags-*) cc_arch=${opt#--cross-cc-cflags-}; cc_arch=${cc_arch%%=*} 379 eval "cross_cc_cflags_${cc_arch}=\$optarg" 380 cross_cc_vars="$cross_cc_vars cross_cc_cflags_${cc_arch}" 381 ;; 382 --cross-cc-*) cc_arch=${opt#--cross-cc-}; cc_arch=${cc_arch%%=*} 383 eval "cross_cc_${cc_arch}=\$optarg" 384 cross_cc_vars="$cross_cc_vars cross_cc_${cc_arch}" 385 ;; 386 esac 387done 388# OS specific 389# Using uname is really, really broken. Once we have the right set of checks 390# we can eliminate its usage altogether. 391 392# Preferred compiler: 393# ${CC} (if set) 394# ${cross_prefix}gcc (if cross-prefix specified) 395# system compiler 396if test -z "${CC}${cross_prefix}"; then 397 cc="$host_cc" 398else 399 cc="${CC-${cross_prefix}gcc}" 400fi 401 402if test -z "${CXX}${cross_prefix}"; then 403 cxx="c++" 404else 405 cxx="${CXX-${cross_prefix}g++}" 406fi 407 408ar="${AR-${cross_prefix}ar}" 409as="${AS-${cross_prefix}as}" 410ccas="${CCAS-$cc}" 411cpp="${CPP-$cc -E}" 412objcopy="${OBJCOPY-${cross_prefix}objcopy}" 413ld="${LD-${cross_prefix}ld}" 414ranlib="${RANLIB-${cross_prefix}ranlib}" 415nm="${NM-${cross_prefix}nm}" 416smbd="$SMBD" 417strip="${STRIP-${cross_prefix}strip}" 418windres="${WINDRES-${cross_prefix}windres}" 419pkg_config_exe="${PKG_CONFIG-${cross_prefix}pkg-config}" 420query_pkg_config() { 421 "${pkg_config_exe}" ${QEMU_PKG_CONFIG_FLAGS} "$@" 422} 423pkg_config=query_pkg_config 424sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}" 425 426# default flags for all hosts 427# We use -fwrapv to tell the compiler that we require a C dialect where 428# left shift of signed integers is well defined and has the expected 429# 2s-complement style results. (Both clang and gcc agree that it 430# provides these semantics.) 431QEMU_CFLAGS="-fno-strict-aliasing -fno-common -fwrapv" 432QEMU_CFLAGS="-Wundef -Wwrite-strings -Wmissing-prototypes $QEMU_CFLAGS" 433QEMU_CFLAGS="-Wstrict-prototypes -Wredundant-decls $QEMU_CFLAGS" 434QEMU_CFLAGS="-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE $QEMU_CFLAGS" 435 436QEMU_LDFLAGS= 437 438# Flags that are needed during configure but later taken care of by Meson 439CONFIGURE_CFLAGS="-std=gnu11 -Wall" 440CONFIGURE_LDFLAGS= 441 442 443check_define() { 444cat > $TMPC <<EOF 445#if !defined($1) 446#error $1 not defined 447#endif 448int main(void) { return 0; } 449EOF 450 compile_object 451} 452 453check_include() { 454cat > $TMPC <<EOF 455#include <$1> 456int main(void) { return 0; } 457EOF 458 compile_object 459} 460 461write_c_skeleton() { 462 cat > $TMPC <<EOF 463int main(void) { return 0; } 464EOF 465} 466 467if check_define __linux__ ; then 468 targetos=linux 469elif check_define _WIN32 ; then 470 targetos=windows 471elif check_define __OpenBSD__ ; then 472 targetos=openbsd 473elif check_define __sun__ ; then 474 targetos=sunos 475elif check_define __HAIKU__ ; then 476 targetos=haiku 477elif check_define __FreeBSD__ ; then 478 targetos=freebsd 479elif check_define __FreeBSD_kernel__ && check_define __GLIBC__; then 480 targetos=gnu/kfreebsd 481elif check_define __DragonFly__ ; then 482 targetos=dragonfly 483elif check_define __NetBSD__; then 484 targetos=netbsd 485elif check_define __APPLE__; then 486 targetos=darwin 487else 488 # This is a fatal error, but don't report it yet, because we 489 # might be going to just print the --help text, or it might 490 # be the result of a missing compiler. 491 targetos=bogus 492fi 493 494# OS specific 495 496mingw32="no" 497bsd="no" 498linux="no" 499solaris="no" 500case $targetos in 501windows) 502 mingw32="yes" 503 plugins="no" 504 pie="no" 505;; 506gnu/kfreebsd) 507 bsd="yes" 508;; 509freebsd) 510 bsd="yes" 511 make="${MAKE-gmake}" 512 # needed for kinfo_getvmmap(3) in libutil.h 513;; 514dragonfly) 515 bsd="yes" 516 make="${MAKE-gmake}" 517;; 518netbsd) 519 bsd="yes" 520 make="${MAKE-gmake}" 521;; 522openbsd) 523 bsd="yes" 524 make="${MAKE-gmake}" 525;; 526darwin) 527 bsd="yes" 528 darwin="yes" 529 # Disable attempts to use ObjectiveC features in os/object.h since they 530 # won't work when we're compiling with gcc as a C compiler. 531 QEMU_CFLAGS="-DOS_OBJECT_USE_OBJC=0 $QEMU_CFLAGS" 532;; 533sunos) 534 solaris="yes" 535 make="${MAKE-gmake}" 536# needed for CMSG_ macros in sys/socket.h 537 QEMU_CFLAGS="-D_XOPEN_SOURCE=600 $QEMU_CFLAGS" 538# needed for TIOCWIN* defines in termios.h 539 QEMU_CFLAGS="-D__EXTENSIONS__ $QEMU_CFLAGS" 540 # $(uname -m) returns i86pc even on an x86_64 box, so default based on isainfo 541 # Note that this check is broken for cross-compilation: if you're 542 # cross-compiling to one of these OSes then you'll need to specify 543 # the correct CPU with the --cpu option. 544 if test -z "$cpu" && test "$(isainfo -k)" = "amd64"; then 545 cpu="x86_64" 546 fi 547;; 548haiku) 549 pie="no" 550 QEMU_CFLAGS="-DB_USE_POSITIVE_POSIX_ERRORS -D_BSD_SOURCE -fPIC $QEMU_CFLAGS" 551;; 552linux) 553 linux="yes" 554 vhost_user=${default_feature:-yes} 555;; 556esac 557 558if test ! -z "$cpu" ; then 559 # command line argument 560 : 561elif check_define __i386__ ; then 562 cpu="i386" 563elif check_define __x86_64__ ; then 564 if check_define __ILP32__ ; then 565 cpu="x32" 566 else 567 cpu="x86_64" 568 fi 569elif check_define __sparc__ ; then 570 if check_define __arch64__ ; then 571 cpu="sparc64" 572 else 573 cpu="sparc" 574 fi 575elif check_define _ARCH_PPC ; then 576 if check_define _ARCH_PPC64 ; then 577 if check_define _LITTLE_ENDIAN ; then 578 cpu="ppc64le" 579 else 580 cpu="ppc64" 581 fi 582 else 583 cpu="ppc" 584 fi 585elif check_define __mips__ ; then 586 cpu="mips" 587elif check_define __s390__ ; then 588 if check_define __s390x__ ; then 589 cpu="s390x" 590 else 591 cpu="s390" 592 fi 593elif check_define __riscv ; then 594 cpu="riscv" 595elif check_define __arm__ ; then 596 cpu="arm" 597elif check_define __aarch64__ ; then 598 cpu="aarch64" 599elif check_define __loongarch64 ; then 600 cpu="loongarch64" 601else 602 cpu=$(uname -m) 603fi 604 605# Normalise host CPU name, set multilib cflags 606# Note that this case should only have supported host CPUs, not guests. 607case "$cpu" in 608 armv*b|armv*l|arm) 609 cpu="arm" ;; 610 611 i386|i486|i586|i686|i86pc|BePC) 612 cpu="i386" 613 CPU_CFLAGS="-m32" ;; 614 x32) 615 cpu="x86_64" 616 CPU_CFLAGS="-mx32" ;; 617 x86_64|amd64) 618 cpu="x86_64" 619 # ??? Only extremely old AMD cpus do not have cmpxchg16b. 620 # If we truly care, we should simply detect this case at 621 # runtime and generate the fallback to serial emulation. 622 CPU_CFLAGS="-m64 -mcx16" ;; 623 624 mips*) 625 cpu="mips" ;; 626 627 ppc) 628 CPU_CFLAGS="-m32" ;; 629 ppc64) 630 CPU_CFLAGS="-m64 -mbig-endian" ;; 631 ppc64le) 632 cpu="ppc64" 633 CPU_CFLAGS="-m64 -mlittle-endian" ;; 634 635 s390) 636 CPU_CFLAGS="-m31" ;; 637 s390x) 638 CPU_CFLAGS="-m64" ;; 639 640 sparc|sun4[cdmuv]) 641 cpu="sparc" 642 CPU_CFLAGS="-m32 -mv8plus -mcpu=ultrasparc" ;; 643 sparc64) 644 CPU_CFLAGS="-m64 -mcpu=ultrasparc" ;; 645esac 646 647: ${make=${MAKE-make}} 648 649# We prefer python 3.x. A bare 'python' is traditionally 650# python 2.x, but some distros have it as python 3.x, so 651# we check that too 652python= 653explicit_python=no 654for binary in "${PYTHON-python3}" python 655do 656 if has "$binary" 657 then 658 python=$(command -v "$binary") 659 break 660 fi 661done 662 663 664# Check for ancillary tools used in testing 665genisoimage= 666for binary in genisoimage mkisofs 667do 668 if has $binary 669 then 670 genisoimage=$(command -v "$binary") 671 break 672 fi 673done 674 675# Default objcc to clang if available, otherwise use CC 676if has clang; then 677 objcc=clang 678else 679 objcc="$cc" 680fi 681 682if test "$mingw32" = "yes" ; then 683 EXESUF=".exe" 684 # MinGW needs -mthreads for TLS and macro _MT. 685 CONFIGURE_CFLAGS="-mthreads $CONFIGURE_CFLAGS" 686 write_c_skeleton; 687 prefix="/qemu" 688 qemu_suffix="" 689fi 690 691werror="" 692 693. $source_path/scripts/meson-buildoptions.sh 694 695meson_options= 696meson_option_parse() { 697 meson_options="$meson_options $(_meson_option_parse "$@")" 698 if test $? -eq 1; then 699 echo "ERROR: unknown option $1" 700 echo "Try '$0 --help' for more information" 701 exit 1 702 fi 703} 704 705for opt do 706 optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)') 707 case "$opt" in 708 --help|-h) show_help=yes 709 ;; 710 --version|-V) exec cat $source_path/VERSION 711 ;; 712 --prefix=*) prefix="$optarg" 713 ;; 714 --interp-prefix=*) interp_prefix="$optarg" 715 ;; 716 --cross-prefix=*) 717 ;; 718 --cc=*) 719 ;; 720 --host-cc=*) host_cc="$optarg" 721 ;; 722 --cxx=*) 723 ;; 724 --iasl=*) iasl="$optarg" 725 ;; 726 --objcc=*) objcc="$optarg" 727 ;; 728 --make=*) make="$optarg" 729 ;; 730 --install=*) 731 ;; 732 --python=*) python="$optarg" ; explicit_python=yes 733 ;; 734 --sphinx-build=*) sphinx_build="$optarg" 735 ;; 736 --skip-meson) skip_meson=yes 737 ;; 738 --meson=*) meson="$optarg" 739 ;; 740 --ninja=*) ninja="$optarg" 741 ;; 742 --smbd=*) smbd="$optarg" 743 ;; 744 --extra-cflags=*) 745 ;; 746 --extra-cxxflags=*) 747 ;; 748 --extra-objcflags=*) 749 ;; 750 --extra-ldflags=*) 751 ;; 752 --cross-cc-*) 753 ;; 754 --enable-debug-info) debug_info="yes" 755 ;; 756 --disable-debug-info) debug_info="no" 757 ;; 758 --enable-modules) 759 modules="yes" 760 ;; 761 --disable-modules) 762 modules="no" 763 ;; 764 --cpu=*) 765 ;; 766 --target-list=*) target_list="$optarg" 767 if test "$target_list_exclude"; then 768 error_exit "Can't mix --target-list with --target-list-exclude" 769 fi 770 ;; 771 --target-list-exclude=*) target_list_exclude="$optarg" 772 if test "$target_list"; then 773 error_exit "Can't mix --target-list-exclude with --target-list" 774 fi 775 ;; 776 --with-trace-file=*) trace_file="$optarg" 777 ;; 778 --with-default-devices) default_devices="true" 779 ;; 780 --without-default-devices) default_devices="false" 781 ;; 782 --with-devices-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --with-devices-FOO option" 783 ;; 784 --with-devices-*) device_arch=${opt#--with-devices-}; 785 device_arch=${device_arch%%=*} 786 cf=$source_path/configs/devices/$device_arch-softmmu/$optarg.mak 787 if test -f "$cf"; then 788 device_archs="$device_archs $device_arch" 789 eval "devices_${device_arch}=\$optarg" 790 else 791 error_exit "File $cf does not exist" 792 fi 793 ;; 794 --without-default-features) # processed above 795 ;; 796 --enable-gcov) gcov="yes" 797 ;; 798 --static) 799 static="yes" 800 QEMU_PKG_CONFIG_FLAGS="--static $QEMU_PKG_CONFIG_FLAGS" 801 ;; 802 --mandir=*) mandir="$optarg" 803 ;; 804 --bindir=*) bindir="$optarg" 805 ;; 806 --libdir=*) libdir="$optarg" 807 ;; 808 --libexecdir=*) libexecdir="$optarg" 809 ;; 810 --includedir=*) includedir="$optarg" 811 ;; 812 --datadir=*) datadir="$optarg" 813 ;; 814 --with-suffix=*) qemu_suffix="$optarg" 815 ;; 816 --docdir=*) docdir="$optarg" 817 ;; 818 --localedir=*) localedir="$optarg" 819 ;; 820 --sysconfdir=*) sysconfdir="$optarg" 821 ;; 822 --localstatedir=*) local_statedir="$optarg" 823 ;; 824 --firmwarepath=*) firmwarepath="$optarg" 825 ;; 826 --host=*|--build=*|\ 827 --disable-dependency-tracking|\ 828 --sbindir=*|--sharedstatedir=*|\ 829 --oldincludedir=*|--datarootdir=*|--infodir=*|\ 830 --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*) 831 # These switches are silently ignored, for compatibility with 832 # autoconf-generated configure scripts. This allows QEMU's 833 # configure to be used by RPM and similar macros that set 834 # lots of directory switches by default. 835 ;; 836 --audio-drv-list=*) audio_drv_list="$optarg" 837 ;; 838 --block-drv-rw-whitelist=*|--block-drv-whitelist=*) block_drv_rw_whitelist=$(echo "$optarg" | sed -e 's/,/ /g') 839 ;; 840 --block-drv-ro-whitelist=*) block_drv_ro_whitelist=$(echo "$optarg" | sed -e 's/,/ /g') 841 ;; 842 --enable-debug-tcg) debug_tcg="yes" 843 ;; 844 --disable-debug-tcg) debug_tcg="no" 845 ;; 846 --enable-debug) 847 # Enable debugging options that aren't excessively noisy 848 debug_tcg="yes" 849 meson_option_parse --enable-debug-mutex "" 850 debug="yes" 851 fortify_source="no" 852 ;; 853 --enable-sanitizers) sanitizers="yes" 854 ;; 855 --disable-sanitizers) sanitizers="no" 856 ;; 857 --enable-tsan) tsan="yes" 858 ;; 859 --disable-tsan) tsan="no" 860 ;; 861 --disable-slirp) slirp="disabled" 862 ;; 863 --enable-slirp) slirp="enabled" 864 ;; 865 --enable-slirp=git) slirp="internal" 866 ;; 867 --enable-slirp=*) slirp="$optarg" 868 ;; 869 --disable-xen) xen="disabled" 870 ;; 871 --enable-xen) xen="enabled" 872 ;; 873 --disable-tcg) tcg="disabled" 874 plugins="no" 875 ;; 876 --enable-tcg) tcg="enabled" 877 ;; 878 --disable-system) softmmu="no" 879 ;; 880 --enable-system) softmmu="yes" 881 ;; 882 --disable-user) 883 linux_user="no" ; 884 bsd_user="no" ; 885 ;; 886 --enable-user) ;; 887 --disable-linux-user) linux_user="no" 888 ;; 889 --enable-linux-user) linux_user="yes" 890 ;; 891 --disable-bsd-user) bsd_user="no" 892 ;; 893 --enable-bsd-user) bsd_user="yes" 894 ;; 895 --enable-pie) pie="yes" 896 ;; 897 --disable-pie) pie="no" 898 ;; 899 --enable-werror) werror="yes" 900 ;; 901 --disable-werror) werror="no" 902 ;; 903 --enable-lto) lto="true" 904 ;; 905 --disable-lto) lto="false" 906 ;; 907 --enable-stack-protector) stack_protector="yes" 908 ;; 909 --disable-stack-protector) stack_protector="no" 910 ;; 911 --enable-safe-stack) safe_stack="yes" 912 ;; 913 --disable-safe-stack) safe_stack="no" 914 ;; 915 --enable-cfi) 916 cfi="true"; 917 lto="true"; 918 ;; 919 --disable-cfi) cfi="false" 920 ;; 921 --disable-fdt) fdt="disabled" 922 ;; 923 --enable-fdt) fdt="enabled" 924 ;; 925 --enable-fdt=git) fdt="internal" 926 ;; 927 --enable-fdt=*) fdt="$optarg" 928 ;; 929 --with-pkgversion=*) pkgversion="$optarg" 930 ;; 931 --with-coroutine=*) coroutine="$optarg" 932 ;; 933 --disable-vhost-net) vhost_net="no" 934 ;; 935 --enable-vhost-net) vhost_net="yes" 936 ;; 937 --disable-vhost-crypto) vhost_crypto="no" 938 ;; 939 --enable-vhost-crypto) vhost_crypto="yes" 940 ;; 941 --disable-vhost-scsi) vhost_scsi="no" 942 ;; 943 --enable-vhost-scsi) vhost_scsi="yes" 944 ;; 945 --disable-vhost-vsock) vhost_vsock="no" 946 ;; 947 --enable-vhost-vsock) vhost_vsock="yes" 948 ;; 949 --disable-vhost-user-fs) vhost_user_fs="no" 950 ;; 951 --enable-vhost-user-fs) vhost_user_fs="yes" 952 ;; 953 --disable-zlib-test) 954 ;; 955 --disable-virtio-blk-data-plane|--enable-virtio-blk-data-plane) 956 echo "$0: $opt is obsolete, virtio-blk data-plane is always on" >&2 957 ;; 958 --enable-vhdx|--disable-vhdx) 959 echo "$0: $opt is obsolete, VHDX driver is always built" >&2 960 ;; 961 --enable-uuid|--disable-uuid) 962 echo "$0: $opt is obsolete, UUID support is always built" >&2 963 ;; 964 --tls-priority=*) tls_priority="$optarg" 965 ;; 966 --disable-vhost-user) vhost_user="no" 967 ;; 968 --enable-vhost-user) vhost_user="yes" 969 ;; 970 --disable-vhost-vdpa) vhost_vdpa="no" 971 ;; 972 --enable-vhost-vdpa) vhost_vdpa="yes" 973 ;; 974 --disable-vhost-kernel) vhost_kernel="no" 975 ;; 976 --enable-vhost-kernel) vhost_kernel="yes" 977 ;; 978 --disable-capstone) capstone="disabled" 979 ;; 980 --enable-capstone) capstone="enabled" 981 ;; 982 --enable-capstone=git) capstone="internal" 983 ;; 984 --enable-capstone=*) capstone="$optarg" 985 ;; 986 --with-git=*) git="$optarg" 987 ;; 988 --with-git-submodules=*) 989 git_submodules_action="$optarg" 990 ;; 991 --enable-plugins) if test "$mingw32" = "yes"; then 992 error_exit "TCG plugins not currently supported on Windows platforms" 993 else 994 plugins="yes" 995 fi 996 ;; 997 --disable-plugins) plugins="no" 998 ;; 999 --enable-containers) use_containers="yes" 1000 ;; 1001 --disable-containers) use_containers="no" 1002 ;; 1003 --gdb=*) gdb_bin="$optarg" 1004 ;; 1005 # backwards compatibility options 1006 --enable-trace-backend=*) meson_option_parse "--enable-trace-backends=$optarg" "$optarg" 1007 ;; 1008 --disable-blobs) meson_option_parse --disable-install-blobs "" 1009 ;; 1010 --enable-tcmalloc) meson_option_parse --enable-malloc=tcmalloc tcmalloc 1011 ;; 1012 --enable-jemalloc) meson_option_parse --enable-malloc=jemalloc jemalloc 1013 ;; 1014 # everything else has the same name in configure and meson 1015 --enable-* | --disable-*) meson_option_parse "$opt" "$optarg" 1016 ;; 1017 *) 1018 echo "ERROR: unknown option $opt" 1019 echo "Try '$0 --help' for more information" 1020 exit 1 1021 ;; 1022 esac 1023done 1024 1025# test for any invalid configuration combinations 1026if test "$plugins" = "yes" -a "$tcg" = "disabled"; then 1027 error_exit "Can't enable plugins on non-TCG builds" 1028fi 1029 1030case $git_submodules_action in 1031 update|validate) 1032 if test ! -e "$source_path/.git"; then 1033 echo "ERROR: cannot $git_submodules_action git submodules without .git" 1034 exit 1 1035 fi 1036 ;; 1037 ignore) 1038 if ! test -f "$source_path/ui/keycodemapdb/README" 1039 then 1040 echo 1041 echo "ERROR: missing GIT submodules" 1042 echo 1043 if test -e "$source_path/.git"; then 1044 echo "--with-git-submodules=ignore specified but submodules were not" 1045 echo "checked out. Please initialize and update submodules." 1046 else 1047 echo "This is not a GIT checkout but module content appears to" 1048 echo "be missing. Do not use 'git archive' or GitHub download links" 1049 echo "to acquire QEMU source archives. Non-GIT builds are only" 1050 echo "supported with source archives linked from:" 1051 echo 1052 echo " https://www.qemu.org/download/#source" 1053 echo 1054 echo "Developers working with GIT can use scripts/archive-source.sh" 1055 echo "if they need to create valid source archives." 1056 fi 1057 echo 1058 exit 1 1059 fi 1060 ;; 1061 *) 1062 echo "ERROR: invalid --with-git-submodules= value '$git_submodules_action'" 1063 exit 1 1064 ;; 1065esac 1066 1067libdir="${libdir:-$prefix/lib}" 1068libexecdir="${libexecdir:-$prefix/libexec}" 1069includedir="${includedir:-$prefix/include}" 1070 1071if test "$mingw32" = "yes" ; then 1072 bindir="${bindir:-$prefix}" 1073else 1074 bindir="${bindir:-$prefix/bin}" 1075fi 1076mandir="${mandir:-$prefix/share/man}" 1077datadir="${datadir:-$prefix/share}" 1078docdir="${docdir:-$prefix/share/doc}" 1079sysconfdir="${sysconfdir:-$prefix/etc}" 1080local_statedir="${local_statedir:-$prefix/var}" 1081firmwarepath="${firmwarepath:-$datadir/qemu-firmware}" 1082localedir="${localedir:-$datadir/locale}" 1083 1084if eval test -z "\${cross_cc_$cpu}"; then 1085 eval "cross_cc_${cpu}=\$cc" 1086 cross_cc_vars="$cross_cc_vars cross_cc_${cpu}" 1087fi 1088 1089default_target_list="" 1090mak_wilds="" 1091 1092if [ "$linux_user" != no ]; then 1093 if [ "$targetos" = linux ] && [ -d $source_path/linux-user/include/host/$cpu ]; then 1094 linux_user=yes 1095 elif [ "$linux_user" = yes ]; then 1096 error_exit "linux-user not supported on this architecture" 1097 fi 1098fi 1099if [ "$bsd_user" != no ]; then 1100 if [ "$bsd_user" = "" ]; then 1101 test $targetos = freebsd && bsd_user=yes 1102 fi 1103 if [ "$bsd_user" = yes ] && ! [ -d $source_path/bsd-user/$targetos ]; then 1104 error_exit "bsd-user not supported on this host OS" 1105 fi 1106fi 1107if [ "$softmmu" = "yes" ]; then 1108 mak_wilds="${mak_wilds} $source_path/configs/targets/*-softmmu.mak" 1109fi 1110if [ "$linux_user" = "yes" ]; then 1111 mak_wilds="${mak_wilds} $source_path/configs/targets/*-linux-user.mak" 1112fi 1113if [ "$bsd_user" = "yes" ]; then 1114 mak_wilds="${mak_wilds} $source_path/configs/targets/*-bsd-user.mak" 1115fi 1116 1117for config in $mak_wilds; do 1118 target="$(basename "$config" .mak)" 1119 if echo "$target_list_exclude" | grep -vq "$target"; then 1120 default_target_list="${default_target_list} $target" 1121 fi 1122done 1123 1124if test x"$show_help" = x"yes" ; then 1125cat << EOF 1126 1127Usage: configure [options] 1128Options: [defaults in brackets after descriptions] 1129 1130Standard options: 1131 --help print this message 1132 --prefix=PREFIX install in PREFIX [$prefix] 1133 --interp-prefix=PREFIX where to find shared libraries, etc. 1134 use %M for cpu name [$interp_prefix] 1135 --target-list=LIST set target list (default: build all) 1136$(echo Available targets: $default_target_list | \ 1137 fold -s -w 53 | sed -e 's/^/ /') 1138 --target-list-exclude=LIST exclude a set of targets from the default target-list 1139 1140Advanced options (experts only): 1141 --cross-prefix=PREFIX use PREFIX for compile tools, PREFIX can be blank [$cross_prefix] 1142 --cc=CC use C compiler CC [$cc] 1143 --iasl=IASL use ACPI compiler IASL [$iasl] 1144 --host-cc=CC use C compiler CC [$host_cc] for code run at 1145 build time 1146 --cxx=CXX use C++ compiler CXX [$cxx] 1147 --objcc=OBJCC use Objective-C compiler OBJCC [$objcc] 1148 --extra-cflags=CFLAGS append extra C compiler flags CFLAGS 1149 --extra-cxxflags=CXXFLAGS append extra C++ compiler flags CXXFLAGS 1150 --extra-objcflags=OBJCFLAGS append extra Objective C compiler flags OBJCFLAGS 1151 --extra-ldflags=LDFLAGS append extra linker flags LDFLAGS 1152 --cross-cc-ARCH=CC use compiler when building ARCH guest test cases 1153 --cross-cc-cflags-ARCH= use compiler flags when building ARCH guest tests 1154 --make=MAKE use specified make [$make] 1155 --python=PYTHON use specified python [$python] 1156 --sphinx-build=SPHINX use specified sphinx-build [$sphinx_build] 1157 --meson=MESON use specified meson [$meson] 1158 --ninja=NINJA use specified ninja [$ninja] 1159 --smbd=SMBD use specified smbd [$smbd] 1160 --with-git=GIT use specified git [$git] 1161 --with-git-submodules=update update git submodules (default if .git dir exists) 1162 --with-git-submodules=validate fail if git submodules are not up to date 1163 --with-git-submodules=ignore do not update or check git submodules (default if no .git dir) 1164 --static enable static build [$static] 1165 --mandir=PATH install man pages in PATH 1166 --datadir=PATH install firmware in PATH/$qemu_suffix 1167 --localedir=PATH install translation in PATH/$qemu_suffix 1168 --docdir=PATH install documentation in PATH/$qemu_suffix 1169 --bindir=PATH install binaries in PATH 1170 --libdir=PATH install libraries in PATH 1171 --libexecdir=PATH install helper binaries in PATH 1172 --sysconfdir=PATH install config in PATH/$qemu_suffix 1173 --localstatedir=PATH install local state in PATH (set at runtime on win32) 1174 --firmwarepath=PATH search PATH for firmware files 1175 --efi-aarch64=PATH PATH of efi file to use for aarch64 VMs. 1176 --with-suffix=SUFFIX suffix for QEMU data inside datadir/libdir/sysconfdir/docdir [$qemu_suffix] 1177 --with-pkgversion=VERS use specified string as sub-version of the package 1178 --without-default-features default all --enable-* options to "disabled" 1179 --without-default-devices do not include any device that is not needed to 1180 start the emulator (only use if you are including 1181 desired devices in configs/devices/) 1182 --with-devices-ARCH=NAME override default configs/devices 1183 --enable-debug enable common debug build options 1184 --enable-sanitizers enable default sanitizers 1185 --enable-tsan enable thread sanitizer 1186 --disable-werror disable compilation abort on warning 1187 --disable-stack-protector disable compiler-provided stack protection 1188 --audio-drv-list=LIST set audio drivers to try if -audiodev is not used 1189 --block-drv-whitelist=L Same as --block-drv-rw-whitelist=L 1190 --block-drv-rw-whitelist=L 1191 set block driver read-write whitelist 1192 (by default affects only QEMU, not tools like qemu-img) 1193 --block-drv-ro-whitelist=L 1194 set block driver read-only whitelist 1195 (by default affects only QEMU, not tools like qemu-img) 1196 --with-trace-file=NAME Full PATH,NAME of file to store traces 1197 Default:trace-<pid> 1198 --cpu=CPU Build for host CPU [$cpu] 1199 --with-coroutine=BACKEND coroutine backend. Supported options: 1200 ucontext, sigaltstack, windows 1201 --enable-gcov enable test coverage analysis with gcov 1202 --tls-priority default TLS protocol/cipher priority string 1203 --enable-plugins 1204 enable plugins via shared library loading 1205 --disable-containers don't use containers for cross-building 1206 --gdb=GDB-path gdb to use for gdbstub tests [$gdb_bin] 1207EOF 1208 meson_options_help 1209cat << EOF 1210 system all system emulation targets 1211 user supported user emulation targets 1212 linux-user all linux usermode emulation targets 1213 bsd-user all BSD usermode emulation targets 1214 pie Position Independent Executables 1215 modules modules support (non-Windows) 1216 debug-tcg TCG debugging (default is disabled) 1217 debug-info debugging information 1218 lto Enable Link-Time Optimization. 1219 safe-stack SafeStack Stack Smash Protection. Depends on 1220 clang/llvm >= 3.7 and requires coroutine backend ucontext. 1221 vhost-net vhost-net kernel acceleration support 1222 vhost-vsock virtio sockets device support 1223 vhost-scsi vhost-scsi kernel target support 1224 vhost-crypto vhost-user-crypto backend support 1225 vhost-kernel vhost kernel backend support 1226 vhost-user vhost-user backend support 1227 vhost-vdpa vhost-vdpa kernel backend support 1228 1229NOTE: The object files are built at the place where configure is launched 1230EOF 1231exit 0 1232fi 1233 1234# Remove old dependency files to make sure that they get properly regenerated 1235rm -f */config-devices.mak.d 1236 1237if test -z "$python" 1238then 1239 error_exit "Python not found. Use --python=/path/to/python" 1240fi 1241if ! has "$make" 1242then 1243 error_exit "GNU make ($make) not found" 1244fi 1245 1246# Note that if the Python conditional here evaluates True we will exit 1247# with status 1 which is a shell 'false' value. 1248if ! $python -c 'import sys; sys.exit(sys.version_info < (3,6))'; then 1249 error_exit "Cannot use '$python', Python >= 3.6 is required." \ 1250 "Use --python=/path/to/python to specify a supported Python." 1251fi 1252 1253# Preserve python version since some functionality is dependent on it 1254python_version=$($python -c 'import sys; print("%d.%d.%d" % (sys.version_info[0], sys.version_info[1], sys.version_info[2]))' 2>/dev/null) 1255 1256# Suppress writing compiled files 1257python="$python -B" 1258 1259if test -z "$meson"; then 1260 if test "$explicit_python" = no && has meson && version_ge "$(meson --version)" 0.59.3; then 1261 meson=meson 1262 elif test $git_submodules_action != 'ignore' ; then 1263 meson=git 1264 elif test -e "${source_path}/meson/meson.py" ; then 1265 meson=internal 1266 else 1267 if test "$explicit_python" = yes; then 1268 error_exit "--python requires using QEMU's embedded Meson distribution, but it was not found." 1269 else 1270 error_exit "Meson not found. Use --meson=/path/to/meson" 1271 fi 1272 fi 1273else 1274 # Meson uses its own Python interpreter to invoke other Python scripts, 1275 # but the user wants to use the one they specified with --python. 1276 # 1277 # We do not want to override the distro Python interpreter (and sometimes 1278 # cannot: for example in Homebrew /usr/bin/meson is a bash script), so 1279 # just require --meson=git|internal together with --python. 1280 if test "$explicit_python" = yes; then 1281 case "$meson" in 1282 git | internal) ;; 1283 *) error_exit "--python requires using QEMU's embedded Meson distribution." ;; 1284 esac 1285 fi 1286fi 1287 1288if test "$meson" = git; then 1289 git_submodules="${git_submodules} meson" 1290fi 1291 1292case "$meson" in 1293 git | internal) 1294 meson="$python ${source_path}/meson/meson.py" 1295 ;; 1296 *) meson=$(command -v "$meson") ;; 1297esac 1298 1299# Probe for ninja 1300 1301if test -z "$ninja"; then 1302 for c in ninja ninja-build samu; do 1303 if has $c; then 1304 ninja=$(command -v "$c") 1305 break 1306 fi 1307 done 1308 if test -z "$ninja"; then 1309 error_exit "Cannot find Ninja" 1310 fi 1311fi 1312 1313# Check that the C compiler works. Doing this here before testing 1314# the host CPU ensures that we had a valid CC to autodetect the 1315# $cpu var (and we should bail right here if that's not the case). 1316# It also allows the help message to be printed without a CC. 1317write_c_skeleton; 1318if compile_object ; then 1319 : C compiler works ok 1320else 1321 error_exit "\"$cc\" either does not exist or does not work" 1322fi 1323if ! compile_prog ; then 1324 error_exit "\"$cc\" cannot build an executable (is your linker broken?)" 1325fi 1326 1327# Consult white-list to determine whether to enable werror 1328# by default. Only enable by default for git builds 1329if test -z "$werror" ; then 1330 if test "$git_submodules_action" != "ignore" && \ 1331 { test "$linux" = "yes" || test "$mingw32" = "yes"; }; then 1332 werror="yes" 1333 else 1334 werror="no" 1335 fi 1336fi 1337 1338if test "$targetos" = "bogus"; then 1339 # Now that we know that we're not printing the help and that 1340 # the compiler works (so the results of the check_defines we used 1341 # to identify the OS are reliable), if we didn't recognize the 1342 # host OS we should stop now. 1343 error_exit "Unrecognized host OS (uname -s reports '$(uname -s)')" 1344fi 1345 1346# Check whether the compiler matches our minimum requirements: 1347cat > $TMPC << EOF 1348#if defined(__clang_major__) && defined(__clang_minor__) 1349# ifdef __apple_build_version__ 1350# if __clang_major__ < 10 || (__clang_major__ == 10 && __clang_minor__ < 0) 1351# error You need at least XCode Clang v10.0 to compile QEMU 1352# endif 1353# else 1354# if __clang_major__ < 6 || (__clang_major__ == 6 && __clang_minor__ < 0) 1355# error You need at least Clang v6.0 to compile QEMU 1356# endif 1357# endif 1358#elif defined(__GNUC__) && defined(__GNUC_MINOR__) 1359# if __GNUC__ < 7 || (__GNUC__ == 7 && __GNUC_MINOR__ < 4) 1360# error You need at least GCC v7.4.0 to compile QEMU 1361# endif 1362#else 1363# error You either need GCC or Clang to compiler QEMU 1364#endif 1365int main (void) { return 0; } 1366EOF 1367if ! compile_prog "" "" ; then 1368 error_exit "You need at least GCC v7.4 or Clang v6.0 (or XCode Clang v10.0)" 1369fi 1370 1371# Accumulate -Wfoo and -Wno-bar separately. 1372# We will list all of the enable flags first, and the disable flags second. 1373# Note that we do not add -Werror, because that would enable it for all 1374# configure tests. If a configure test failed due to -Werror this would 1375# just silently disable some features, so it's too error prone. 1376 1377warn_flags= 1378add_to warn_flags -Wold-style-declaration 1379add_to warn_flags -Wold-style-definition 1380add_to warn_flags -Wtype-limits 1381add_to warn_flags -Wformat-security 1382add_to warn_flags -Wformat-y2k 1383add_to warn_flags -Winit-self 1384add_to warn_flags -Wignored-qualifiers 1385add_to warn_flags -Wempty-body 1386add_to warn_flags -Wnested-externs 1387add_to warn_flags -Wendif-labels 1388add_to warn_flags -Wexpansion-to-defined 1389add_to warn_flags -Wimplicit-fallthrough=2 1390 1391nowarn_flags= 1392add_to nowarn_flags -Wno-initializer-overrides 1393add_to nowarn_flags -Wno-missing-include-dirs 1394add_to nowarn_flags -Wno-shift-negative-value 1395add_to nowarn_flags -Wno-string-plus-int 1396add_to nowarn_flags -Wno-typedef-redefinition 1397add_to nowarn_flags -Wno-tautological-type-limit-compare 1398add_to nowarn_flags -Wno-psabi 1399 1400gcc_flags="$warn_flags $nowarn_flags" 1401 1402cc_has_warning_flag() { 1403 write_c_skeleton; 1404 1405 # Use the positive sense of the flag when testing for -Wno-wombat 1406 # support (gcc will happily accept the -Wno- form of unknown 1407 # warning options). 1408 optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')" 1409 compile_prog "-Werror $optflag" "" 1410} 1411 1412objcc_has_warning_flag() { 1413 cat > $TMPM <<EOF 1414int main(void) { return 0; } 1415EOF 1416 1417 # Use the positive sense of the flag when testing for -Wno-wombat 1418 # support (gcc will happily accept the -Wno- form of unknown 1419 # warning options). 1420 optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')" 1421 do_objc -Werror $optflag \ 1422 $OBJCFLAGS $EXTRA_OBJCFLAGS $CONFIGURE_OBJCFLAGS $QEMU_OBJCFLAGS \ 1423 -o $TMPE $TMPM $QEMU_LDFLAGS 1424} 1425 1426for flag in $gcc_flags; do 1427 if cc_has_warning_flag $flag ; then 1428 QEMU_CFLAGS="$QEMU_CFLAGS $flag" 1429 fi 1430 if objcc_has_warning_flag $flag ; then 1431 QEMU_OBJCFLAGS="$QEMU_OBJCFLAGS $flag" 1432 fi 1433done 1434 1435if test "$stack_protector" != "no"; then 1436 cat > $TMPC << EOF 1437int main(int argc, char *argv[]) 1438{ 1439 char arr[64], *p = arr, *c = argv[0]; 1440 while (*c) { 1441 *p++ = *c++; 1442 } 1443 return 0; 1444} 1445EOF 1446 gcc_flags="-fstack-protector-strong -fstack-protector-all" 1447 sp_on=0 1448 for flag in $gcc_flags; do 1449 # We need to check both a compile and a link, since some compiler 1450 # setups fail only on a .c->.o compile and some only at link time 1451 if compile_object "-Werror $flag" && 1452 compile_prog "-Werror $flag" ""; then 1453 QEMU_CFLAGS="$QEMU_CFLAGS $flag" 1454 QEMU_LDFLAGS="$QEMU_LDFLAGS $flag" 1455 sp_on=1 1456 break 1457 fi 1458 done 1459 if test "$stack_protector" = yes; then 1460 if test $sp_on = 0; then 1461 error_exit "Stack protector not supported" 1462 fi 1463 fi 1464fi 1465 1466# Disable -Wmissing-braces on older compilers that warn even for 1467# the "universal" C zero initializer {0}. 1468cat > $TMPC << EOF 1469struct { 1470 int a[2]; 1471} x = {0}; 1472EOF 1473if compile_object "-Werror" "" ; then 1474 : 1475else 1476 QEMU_CFLAGS="$QEMU_CFLAGS -Wno-missing-braces" 1477fi 1478 1479# Our module code doesn't support Windows 1480if test "$modules" = "yes" && test "$mingw32" = "yes" ; then 1481 error_exit "Modules are not available for Windows" 1482fi 1483 1484# Static linking is not possible with plugins, modules or PIE 1485if test "$static" = "yes" ; then 1486 if test "$modules" = "yes" ; then 1487 error_exit "static and modules are mutually incompatible" 1488 fi 1489 if test "$plugins" = "yes"; then 1490 error_exit "static and plugins are mutually incompatible" 1491 else 1492 plugins="no" 1493 fi 1494fi 1495test "$plugins" = "" && plugins=yes 1496 1497cat > $TMPC << EOF 1498 1499#ifdef __linux__ 1500# define THREAD __thread 1501#else 1502# define THREAD 1503#endif 1504static THREAD int tls_var; 1505int main(void) { return tls_var; } 1506EOF 1507 1508# Check we support -fno-pie and -no-pie first; we will need the former for 1509# building ROMs, and both for everything if --disable-pie is passed. 1510if compile_prog "-Werror -fno-pie" "-no-pie"; then 1511 CFLAGS_NOPIE="-fno-pie" 1512 LDFLAGS_NOPIE="-no-pie" 1513fi 1514 1515if test "$static" = "yes"; then 1516 if test "$pie" != "no" && compile_prog "-Werror -fPIE -DPIE" "-static-pie"; then 1517 CONFIGURE_CFLAGS="-fPIE -DPIE $CONFIGURE_CFLAGS" 1518 QEMU_LDFLAGS="-static-pie $QEMU_LDFLAGS" 1519 pie="yes" 1520 elif test "$pie" = "yes"; then 1521 error_exit "-static-pie not available due to missing toolchain support" 1522 else 1523 QEMU_LDFLAGS="-static $QEMU_LDFLAGS" 1524 pie="no" 1525 fi 1526elif test "$pie" = "no"; then 1527 CONFIGURE_CFLAGS="$CFLAGS_NOPIE $CONFIGURE_CFLAGS" 1528 CONFIGURE_LDFLAGS="$LDFLAGS_NOPIE $CONFIGURE_LDFLAGS" 1529elif compile_prog "-Werror -fPIE -DPIE" "-pie"; then 1530 CONFIGURE_CFLAGS="-fPIE -DPIE $CONFIGURE_CFLAGS" 1531 CONFIGURE_LDFLAGS="-pie $CONFIGURE_LDFLAGS" 1532 pie="yes" 1533elif test "$pie" = "yes"; then 1534 error_exit "PIE not available due to missing toolchain support" 1535else 1536 echo "Disabling PIE due to missing toolchain support" 1537 pie="no" 1538fi 1539 1540# Detect support for PT_GNU_RELRO + DT_BIND_NOW. 1541# The combination is known as "full relro", because .got.plt is read-only too. 1542if compile_prog "" "-Wl,-z,relro -Wl,-z,now" ; then 1543 QEMU_LDFLAGS="-Wl,-z,relro -Wl,-z,now $QEMU_LDFLAGS" 1544fi 1545 1546########################################## 1547# __sync_fetch_and_and requires at least -march=i486. Many toolchains 1548# use i686 as default anyway, but for those that don't, an explicit 1549# specification is necessary 1550 1551if test "$cpu" = "i386"; then 1552 cat > $TMPC << EOF 1553static int sfaa(int *ptr) 1554{ 1555 return __sync_fetch_and_and(ptr, 0); 1556} 1557 1558int main(void) 1559{ 1560 int val = 42; 1561 val = __sync_val_compare_and_swap(&val, 0, 1); 1562 sfaa(&val); 1563 return val; 1564} 1565EOF 1566 if ! compile_prog "" "" ; then 1567 QEMU_CFLAGS="-march=i486 $QEMU_CFLAGS" 1568 fi 1569fi 1570 1571if test "$tcg" = "enabled"; then 1572 git_submodules="$git_submodules tests/fp/berkeley-testfloat-3" 1573 git_submodules="$git_submodules tests/fp/berkeley-softfloat-3" 1574fi 1575 1576if test -z "${target_list+xxx}" ; then 1577 default_targets=yes 1578 for target in $default_target_list; do 1579 target_list="$target_list $target" 1580 done 1581 target_list="${target_list# }" 1582else 1583 default_targets=no 1584 target_list=$(echo "$target_list" | sed -e 's/,/ /g') 1585 for target in $target_list; do 1586 # Check that we recognised the target name; this allows a more 1587 # friendly error message than if we let it fall through. 1588 case " $default_target_list " in 1589 *" $target "*) 1590 ;; 1591 *) 1592 error_exit "Unknown target name '$target'" 1593 ;; 1594 esac 1595 done 1596fi 1597 1598# see if system emulation was really requested 1599case " $target_list " in 1600 *"-softmmu "*) softmmu=yes 1601 ;; 1602 *) softmmu=no 1603 ;; 1604esac 1605 1606feature_not_found() { 1607 feature=$1 1608 remedy=$2 1609 1610 error_exit "User requested feature $feature" \ 1611 "configure was not able to find it." \ 1612 "$remedy" 1613} 1614 1615# --- 1616# big/little endian test 1617cat > $TMPC << EOF 1618#include <stdio.h> 1619short big_endian[] = { 0x4269, 0x4765, 0x4e64, 0x4961, 0x4e00, 0, }; 1620short little_endian[] = { 0x694c, 0x7454, 0x654c, 0x6e45, 0x6944, 0x6e41, 0, }; 1621int main(int argc, char *argv[]) 1622{ 1623 return printf("%s %s\n", (char *)big_endian, (char *)little_endian); 1624} 1625EOF 1626 1627if compile_prog ; then 1628 if strings -a $TMPE | grep -q BiGeNdIaN ; then 1629 bigendian="yes" 1630 elif strings -a $TMPE | grep -q LiTtLeEnDiAn ; then 1631 bigendian="no" 1632 else 1633 echo big/little test failed 1634 exit 1 1635 fi 1636else 1637 echo big/little test failed 1638 exit 1 1639fi 1640 1641######################################### 1642# vhost interdependencies and host support 1643 1644# vhost backends 1645if test "$vhost_user" = "yes" && test "$mingw32" = "yes"; then 1646 error_exit "vhost-user is not available on Windows" 1647fi 1648test "$vhost_vdpa" = "" && vhost_vdpa=$linux 1649if test "$vhost_vdpa" = "yes" && test "$linux" != "yes"; then 1650 error_exit "vhost-vdpa is only available on Linux" 1651fi 1652test "$vhost_kernel" = "" && vhost_kernel=$linux 1653if test "$vhost_kernel" = "yes" && test "$linux" != "yes"; then 1654 error_exit "vhost-kernel is only available on Linux" 1655fi 1656 1657# vhost-kernel devices 1658test "$vhost_scsi" = "" && vhost_scsi=$vhost_kernel 1659if test "$vhost_scsi" = "yes" && test "$vhost_kernel" != "yes"; then 1660 error_exit "--enable-vhost-scsi requires --enable-vhost-kernel" 1661fi 1662test "$vhost_vsock" = "" && vhost_vsock=$vhost_kernel 1663if test "$vhost_vsock" = "yes" && test "$vhost_kernel" != "yes"; then 1664 error_exit "--enable-vhost-vsock requires --enable-vhost-kernel" 1665fi 1666 1667# vhost-user backends 1668test "$vhost_net_user" = "" && vhost_net_user=$vhost_user 1669if test "$vhost_net_user" = "yes" && test "$vhost_user" = "no"; then 1670 error_exit "--enable-vhost-net-user requires --enable-vhost-user" 1671fi 1672test "$vhost_crypto" = "" && vhost_crypto=$vhost_user 1673if test "$vhost_crypto" = "yes" && test "$vhost_user" = "no"; then 1674 error_exit "--enable-vhost-crypto requires --enable-vhost-user" 1675fi 1676test "$vhost_user_fs" = "" && vhost_user_fs=$vhost_user 1677if test "$vhost_user_fs" = "yes" && test "$vhost_user" = "no"; then 1678 error_exit "--enable-vhost-user-fs requires --enable-vhost-user" 1679fi 1680#vhost-vdpa backends 1681test "$vhost_net_vdpa" = "" && vhost_net_vdpa=$vhost_vdpa 1682if test "$vhost_net_vdpa" = "yes" && test "$vhost_vdpa" = "no"; then 1683 error_exit "--enable-vhost-net-vdpa requires --enable-vhost-vdpa" 1684fi 1685 1686# OR the vhost-kernel, vhost-vdpa and vhost-user values for simplicity 1687if test "$vhost_net" = ""; then 1688 test "$vhost_net_user" = "yes" && vhost_net=yes 1689 test "$vhost_net_vdpa" = "yes" && vhost_net=yes 1690 test "$vhost_kernel" = "yes" && vhost_net=yes 1691fi 1692 1693########################################## 1694# pkg-config probe 1695 1696if ! has "$pkg_config_exe"; then 1697 error_exit "pkg-config binary '$pkg_config_exe' not found" 1698fi 1699 1700########################################## 1701# xen probe 1702 1703if test "$xen" != "disabled" ; then 1704 # Check whether Xen library path is specified via --extra-ldflags to avoid 1705 # overriding this setting with pkg-config output. If not, try pkg-config 1706 # to obtain all needed flags. 1707 1708 if ! echo $EXTRA_LDFLAGS | grep tools/libxc > /dev/null && \ 1709 $pkg_config --exists xencontrol ; then 1710 xen_ctrl_version="$(printf '%d%02d%02d' \ 1711 $($pkg_config --modversion xencontrol | sed 's/\./ /g') )" 1712 xen=enabled 1713 xen_pc="xencontrol xenstore xenforeignmemory xengnttab" 1714 xen_pc="$xen_pc xenevtchn xendevicemodel" 1715 if $pkg_config --exists xentoolcore; then 1716 xen_pc="$xen_pc xentoolcore" 1717 fi 1718 xen_cflags="$($pkg_config --cflags $xen_pc)" 1719 xen_libs="$($pkg_config --libs $xen_pc)" 1720 else 1721 1722 xen_libs="-lxenstore -lxenctrl" 1723 xen_stable_libs="-lxenforeignmemory -lxengnttab -lxenevtchn" 1724 1725 # First we test whether Xen headers and libraries are available. 1726 # If no, we are done and there is no Xen support. 1727 # If yes, more tests are run to detect the Xen version. 1728 1729 # Xen (any) 1730 cat > $TMPC <<EOF 1731#include <xenctrl.h> 1732int main(void) { 1733 return 0; 1734} 1735EOF 1736 if ! compile_prog "" "$xen_libs" ; then 1737 # Xen not found 1738 if test "$xen" = "enabled" ; then 1739 feature_not_found "xen" "Install xen devel" 1740 fi 1741 xen=disabled 1742 1743 # Xen unstable 1744 elif 1745 cat > $TMPC <<EOF && 1746#undef XC_WANT_COMPAT_DEVICEMODEL_API 1747#define __XEN_TOOLS__ 1748#include <xendevicemodel.h> 1749#include <xenforeignmemory.h> 1750int main(void) { 1751 xendevicemodel_handle *xd; 1752 xenforeignmemory_handle *xfmem; 1753 1754 xd = xendevicemodel_open(0, 0); 1755 xendevicemodel_pin_memory_cacheattr(xd, 0, 0, 0, 0); 1756 1757 xfmem = xenforeignmemory_open(0, 0); 1758 xenforeignmemory_map_resource(xfmem, 0, 0, 0, 0, 0, NULL, 0, 0); 1759 1760 return 0; 1761} 1762EOF 1763 compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs -lxentoolcore" 1764 then 1765 xen_stable_libs="-lxendevicemodel $xen_stable_libs -lxentoolcore" 1766 xen_ctrl_version=41100 1767 xen=enabled 1768 elif 1769 cat > $TMPC <<EOF && 1770#undef XC_WANT_COMPAT_MAP_FOREIGN_API 1771#include <xenforeignmemory.h> 1772#include <xentoolcore.h> 1773int main(void) { 1774 xenforeignmemory_handle *xfmem; 1775 1776 xfmem = xenforeignmemory_open(0, 0); 1777 xenforeignmemory_map2(xfmem, 0, 0, 0, 0, 0, 0, 0); 1778 xentoolcore_restrict_all(0); 1779 1780 return 0; 1781} 1782EOF 1783 compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs -lxentoolcore" 1784 then 1785 xen_stable_libs="-lxendevicemodel $xen_stable_libs -lxentoolcore" 1786 xen_ctrl_version=41000 1787 xen=enabled 1788 elif 1789 cat > $TMPC <<EOF && 1790#undef XC_WANT_COMPAT_DEVICEMODEL_API 1791#define __XEN_TOOLS__ 1792#include <xendevicemodel.h> 1793int main(void) { 1794 xendevicemodel_handle *xd; 1795 1796 xd = xendevicemodel_open(0, 0); 1797 xendevicemodel_close(xd); 1798 1799 return 0; 1800} 1801EOF 1802 compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs" 1803 then 1804 xen_stable_libs="-lxendevicemodel $xen_stable_libs" 1805 xen_ctrl_version=40900 1806 xen=enabled 1807 elif 1808 cat > $TMPC <<EOF && 1809/* 1810 * If we have stable libs the we don't want the libxc compat 1811 * layers, regardless of what CFLAGS we may have been given. 1812 * 1813 * Also, check if xengnttab_grant_copy_segment_t is defined and 1814 * grant copy operation is implemented. 1815 */ 1816#undef XC_WANT_COMPAT_EVTCHN_API 1817#undef XC_WANT_COMPAT_GNTTAB_API 1818#undef XC_WANT_COMPAT_MAP_FOREIGN_API 1819#include <xenctrl.h> 1820#include <xenstore.h> 1821#include <xenevtchn.h> 1822#include <xengnttab.h> 1823#include <xenforeignmemory.h> 1824#include <stdint.h> 1825#include <xen/hvm/hvm_info_table.h> 1826#if !defined(HVM_MAX_VCPUS) 1827# error HVM_MAX_VCPUS not defined 1828#endif 1829int main(void) { 1830 xc_interface *xc = NULL; 1831 xenforeignmemory_handle *xfmem; 1832 xenevtchn_handle *xe; 1833 xengnttab_handle *xg; 1834 xengnttab_grant_copy_segment_t* seg = NULL; 1835 1836 xs_daemon_open(); 1837 1838 xc = xc_interface_open(0, 0, 0); 1839 xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0); 1840 xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0); 1841 xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000); 1842 xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL); 1843 1844 xfmem = xenforeignmemory_open(0, 0); 1845 xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0); 1846 1847 xe = xenevtchn_open(0, 0); 1848 xenevtchn_fd(xe); 1849 1850 xg = xengnttab_open(0, 0); 1851 xengnttab_grant_copy(xg, 0, seg); 1852 1853 return 0; 1854} 1855EOF 1856 compile_prog "" "$xen_libs $xen_stable_libs" 1857 then 1858 xen_ctrl_version=40800 1859 xen=enabled 1860 elif 1861 cat > $TMPC <<EOF && 1862/* 1863 * If we have stable libs the we don't want the libxc compat 1864 * layers, regardless of what CFLAGS we may have been given. 1865 */ 1866#undef XC_WANT_COMPAT_EVTCHN_API 1867#undef XC_WANT_COMPAT_GNTTAB_API 1868#undef XC_WANT_COMPAT_MAP_FOREIGN_API 1869#include <xenctrl.h> 1870#include <xenstore.h> 1871#include <xenevtchn.h> 1872#include <xengnttab.h> 1873#include <xenforeignmemory.h> 1874#include <stdint.h> 1875#include <xen/hvm/hvm_info_table.h> 1876#if !defined(HVM_MAX_VCPUS) 1877# error HVM_MAX_VCPUS not defined 1878#endif 1879int main(void) { 1880 xc_interface *xc = NULL; 1881 xenforeignmemory_handle *xfmem; 1882 xenevtchn_handle *xe; 1883 xengnttab_handle *xg; 1884 1885 xs_daemon_open(); 1886 1887 xc = xc_interface_open(0, 0, 0); 1888 xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0); 1889 xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0); 1890 xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000); 1891 xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL); 1892 1893 xfmem = xenforeignmemory_open(0, 0); 1894 xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0); 1895 1896 xe = xenevtchn_open(0, 0); 1897 xenevtchn_fd(xe); 1898 1899 xg = xengnttab_open(0, 0); 1900 xengnttab_map_grant_ref(xg, 0, 0, 0); 1901 1902 return 0; 1903} 1904EOF 1905 compile_prog "" "$xen_libs $xen_stable_libs" 1906 then 1907 xen_ctrl_version=40701 1908 xen=enabled 1909 1910 # Xen 4.6 1911 elif 1912 cat > $TMPC <<EOF && 1913#include <xenctrl.h> 1914#include <xenstore.h> 1915#include <stdint.h> 1916#include <xen/hvm/hvm_info_table.h> 1917#if !defined(HVM_MAX_VCPUS) 1918# error HVM_MAX_VCPUS not defined 1919#endif 1920int main(void) { 1921 xc_interface *xc; 1922 xs_daemon_open(); 1923 xc = xc_interface_open(0, 0, 0); 1924 xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0); 1925 xc_gnttab_open(NULL, 0); 1926 xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0); 1927 xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000); 1928 xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL); 1929 xc_reserved_device_memory_map(xc, 0, 0, 0, 0, NULL, 0); 1930 return 0; 1931} 1932EOF 1933 compile_prog "" "$xen_libs" 1934 then 1935 xen_ctrl_version=40600 1936 xen=enabled 1937 1938 # Xen 4.5 1939 elif 1940 cat > $TMPC <<EOF && 1941#include <xenctrl.h> 1942#include <xenstore.h> 1943#include <stdint.h> 1944#include <xen/hvm/hvm_info_table.h> 1945#if !defined(HVM_MAX_VCPUS) 1946# error HVM_MAX_VCPUS not defined 1947#endif 1948int main(void) { 1949 xc_interface *xc; 1950 xs_daemon_open(); 1951 xc = xc_interface_open(0, 0, 0); 1952 xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0); 1953 xc_gnttab_open(NULL, 0); 1954 xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0); 1955 xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000); 1956 xc_hvm_create_ioreq_server(xc, 0, 0, NULL); 1957 return 0; 1958} 1959EOF 1960 compile_prog "" "$xen_libs" 1961 then 1962 xen_ctrl_version=40500 1963 xen=enabled 1964 1965 elif 1966 cat > $TMPC <<EOF && 1967#include <xenctrl.h> 1968#include <xenstore.h> 1969#include <stdint.h> 1970#include <xen/hvm/hvm_info_table.h> 1971#if !defined(HVM_MAX_VCPUS) 1972# error HVM_MAX_VCPUS not defined 1973#endif 1974int main(void) { 1975 xc_interface *xc; 1976 xs_daemon_open(); 1977 xc = xc_interface_open(0, 0, 0); 1978 xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0); 1979 xc_gnttab_open(NULL, 0); 1980 xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0); 1981 xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000); 1982 return 0; 1983} 1984EOF 1985 compile_prog "" "$xen_libs" 1986 then 1987 xen_ctrl_version=40200 1988 xen=enabled 1989 1990 else 1991 if test "$xen" = "enabled" ; then 1992 feature_not_found "xen (unsupported version)" \ 1993 "Install a supported xen (xen 4.2 or newer)" 1994 fi 1995 xen=disabled 1996 fi 1997 1998 if test "$xen" = enabled; then 1999 if test $xen_ctrl_version -ge 40701 ; then 2000 xen_libs="$xen_libs $xen_stable_libs " 2001 fi 2002 fi 2003 fi 2004fi 2005 2006########################################## 2007# glib support probe 2008 2009glib_req_ver=2.56 2010glib_modules=gthread-2.0 2011if test "$modules" = yes; then 2012 glib_modules="$glib_modules gmodule-export-2.0" 2013elif test "$plugins" = "yes"; then 2014 glib_modules="$glib_modules gmodule-no-export-2.0" 2015fi 2016 2017for i in $glib_modules; do 2018 if $pkg_config --atleast-version=$glib_req_ver $i; then 2019 glib_cflags=$($pkg_config --cflags $i) 2020 glib_libs=$($pkg_config --libs $i) 2021 else 2022 error_exit "glib-$glib_req_ver $i is required to compile QEMU" 2023 fi 2024done 2025 2026# This workaround is required due to a bug in pkg-config file for glib as it 2027# doesn't define GLIB_STATIC_COMPILATION for pkg-config --static 2028 2029if test "$static" = yes && test "$mingw32" = yes; then 2030 glib_cflags="-DGLIB_STATIC_COMPILATION $glib_cflags" 2031fi 2032 2033# Sanity check that the current size_t matches the 2034# size that glib thinks it should be. This catches 2035# problems on multi-arch where people try to build 2036# 32-bit QEMU while pointing at 64-bit glib headers 2037cat > $TMPC <<EOF 2038#include <glib.h> 2039#include <unistd.h> 2040 2041#define QEMU_BUILD_BUG_ON(x) \ 2042 typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused)); 2043 2044int main(void) { 2045 QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T); 2046 return 0; 2047} 2048EOF 2049 2050if ! compile_prog "$glib_cflags" "$glib_libs" ; then 2051 error_exit "sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T."\ 2052 "You probably need to set PKG_CONFIG_LIBDIR"\ 2053 "to point to the right pkg-config files for your"\ 2054 "build target" 2055fi 2056 2057# Silence clang warnings triggered by glib < 2.57.2 2058cat > $TMPC << EOF 2059#include <glib.h> 2060typedef struct Foo { 2061 int i; 2062} Foo; 2063static void foo_free(Foo *f) 2064{ 2065 g_free(f); 2066} 2067G_DEFINE_AUTOPTR_CLEANUP_FUNC(Foo, foo_free) 2068int main(void) { return 0; } 2069EOF 2070if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then 2071 if cc_has_warning_flag "-Wno-unused-function"; then 2072 glib_cflags="$glib_cflags -Wno-unused-function" 2073 CONFIGURE_CFLAGS="$CONFIGURE_CFLAGS -Wno-unused-function" 2074 fi 2075fi 2076 2077########################################## 2078# SHA command probe for modules 2079if test "$modules" = yes; then 2080 shacmd_probe="sha1sum sha1 shasum" 2081 for c in $shacmd_probe; do 2082 if has $c; then 2083 shacmd="$c" 2084 break 2085 fi 2086 done 2087 if test "$shacmd" = ""; then 2088 error_exit "one of the checksum commands is required to enable modules: $shacmd_probe" 2089 fi 2090fi 2091 2092########################################## 2093# fdt probe 2094 2095case "$fdt" in 2096 auto | enabled | internal) 2097 # Simpler to always update submodule, even if not needed. 2098 git_submodules="${git_submodules} dtc" 2099 ;; 2100esac 2101 2102########################################## 2103# capstone 2104 2105case "$capstone" in 2106 auto | enabled | internal) 2107 # Simpler to always update submodule, even if not needed. 2108 git_submodules="${git_submodules} capstone" 2109 ;; 2110esac 2111 2112########################################## 2113# check and set a backend for coroutine 2114 2115# We prefer ucontext, but it's not always possible. The fallback 2116# is sigcontext. On Windows the only valid backend is the Windows 2117# specific one. 2118 2119ucontext_works=no 2120if test "$darwin" != "yes"; then 2121 cat > $TMPC << EOF 2122#include <ucontext.h> 2123#ifdef __stub_makecontext 2124#error Ignoring glibc stub makecontext which will always fail 2125#endif 2126int main(void) { makecontext(0, 0, 0); return 0; } 2127EOF 2128 if compile_prog "" "" ; then 2129 ucontext_works=yes 2130 fi 2131fi 2132 2133if test "$coroutine" = ""; then 2134 if test "$mingw32" = "yes"; then 2135 coroutine=win32 2136 elif test "$ucontext_works" = "yes"; then 2137 coroutine=ucontext 2138 else 2139 coroutine=sigaltstack 2140 fi 2141else 2142 case $coroutine in 2143 windows) 2144 if test "$mingw32" != "yes"; then 2145 error_exit "'windows' coroutine backend only valid for Windows" 2146 fi 2147 # Unfortunately the user visible backend name doesn't match the 2148 # coroutine-*.c filename for this case, so we have to adjust it here. 2149 coroutine=win32 2150 ;; 2151 ucontext) 2152 if test "$ucontext_works" != "yes"; then 2153 feature_not_found "ucontext" 2154 fi 2155 ;; 2156 sigaltstack) 2157 if test "$mingw32" = "yes"; then 2158 error_exit "only the 'windows' coroutine backend is valid for Windows" 2159 fi 2160 ;; 2161 *) 2162 error_exit "unknown coroutine backend $coroutine" 2163 ;; 2164 esac 2165fi 2166 2167################################################## 2168# SafeStack 2169 2170 2171if test "$safe_stack" = "yes"; then 2172cat > $TMPC << EOF 2173int main(int argc, char *argv[]) 2174{ 2175#if ! __has_feature(safe_stack) 2176#error SafeStack Disabled 2177#endif 2178 return 0; 2179} 2180EOF 2181 flag="-fsanitize=safe-stack" 2182 # Check that safe-stack is supported and enabled. 2183 if compile_prog "-Werror $flag" "$flag"; then 2184 # Flag needed both at compilation and at linking 2185 QEMU_CFLAGS="$QEMU_CFLAGS $flag" 2186 QEMU_LDFLAGS="$QEMU_LDFLAGS $flag" 2187 else 2188 error_exit "SafeStack not supported by your compiler" 2189 fi 2190 if test "$coroutine" != "ucontext"; then 2191 error_exit "SafeStack is only supported by the coroutine backend ucontext" 2192 fi 2193else 2194cat > $TMPC << EOF 2195int main(int argc, char *argv[]) 2196{ 2197#if defined(__has_feature) 2198#if __has_feature(safe_stack) 2199#error SafeStack Enabled 2200#endif 2201#endif 2202 return 0; 2203} 2204EOF 2205if test "$safe_stack" = "no"; then 2206 # Make sure that safe-stack is disabled 2207 if ! compile_prog "-Werror" ""; then 2208 # SafeStack was already enabled, try to explicitly remove the feature 2209 flag="-fno-sanitize=safe-stack" 2210 if ! compile_prog "-Werror $flag" "$flag"; then 2211 error_exit "Configure cannot disable SafeStack" 2212 fi 2213 QEMU_CFLAGS="$QEMU_CFLAGS $flag" 2214 QEMU_LDFLAGS="$QEMU_LDFLAGS $flag" 2215 fi 2216else # "$safe_stack" = "" 2217 # Set safe_stack to yes or no based on pre-existing flags 2218 if compile_prog "-Werror" ""; then 2219 safe_stack="no" 2220 else 2221 safe_stack="yes" 2222 if test "$coroutine" != "ucontext"; then 2223 error_exit "SafeStack is only supported by the coroutine backend ucontext" 2224 fi 2225 fi 2226fi 2227fi 2228 2229######################################## 2230# check if ccache is interfering with 2231# semantic analysis of macros 2232 2233unset CCACHE_CPP2 2234ccache_cpp2=no 2235cat > $TMPC << EOF 2236static const int Z = 1; 2237#define fn() ({ Z; }) 2238#define TAUT(X) ((X) == Z) 2239#define PAREN(X, Y) (X == Y) 2240#define ID(X) (X) 2241int main(int argc, char *argv[]) 2242{ 2243 int x = 0, y = 0; 2244 x = ID(x); 2245 x = fn(); 2246 fn(); 2247 if (PAREN(x, y)) return 0; 2248 if (TAUT(Z)) return 0; 2249 return 0; 2250} 2251EOF 2252 2253if ! compile_object "-Werror"; then 2254 ccache_cpp2=yes 2255fi 2256 2257################################################# 2258# clang does not support glibc + FORTIFY_SOURCE. 2259 2260if test "$fortify_source" != "no"; then 2261 if echo | $cc -dM -E - | grep __clang__ > /dev/null 2>&1 ; then 2262 fortify_source="no"; 2263 elif test -n "$cxx" && has $cxx && 2264 echo | $cxx -dM -E - | grep __clang__ >/dev/null 2>&1 ; then 2265 fortify_source="no"; 2266 else 2267 fortify_source="yes" 2268 fi 2269fi 2270 2271########################################## 2272# checks for sanitizers 2273 2274have_asan=no 2275have_ubsan=no 2276have_asan_iface_h=no 2277have_asan_iface_fiber=no 2278 2279if test "$sanitizers" = "yes" ; then 2280 write_c_skeleton 2281 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" ""; then 2282 have_asan=yes 2283 fi 2284 2285 # we could use a simple skeleton for flags checks, but this also 2286 # detect the static linking issue of ubsan, see also: 2287 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84285 2288 cat > $TMPC << EOF 2289#include <stdlib.h> 2290int main(void) { 2291 void *tmp = malloc(10); 2292 if (tmp != NULL) { 2293 return *(int *)(tmp + 2); 2294 } 2295 return 1; 2296} 2297EOF 2298 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=undefined" ""; then 2299 have_ubsan=yes 2300 fi 2301 2302 if check_include "sanitizer/asan_interface.h" ; then 2303 have_asan_iface_h=yes 2304 fi 2305 2306 cat > $TMPC << EOF 2307#include <sanitizer/asan_interface.h> 2308int main(void) { 2309 __sanitizer_start_switch_fiber(0, 0, 0); 2310 return 0; 2311} 2312EOF 2313 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" "" ; then 2314 have_asan_iface_fiber=yes 2315 fi 2316fi 2317 2318# Thread sanitizer is, for now, much noisier than the other sanitizers; 2319# keep it separate until that is not the case. 2320if test "$tsan" = "yes" && test "$sanitizers" = "yes"; then 2321 error_exit "TSAN is not supported with other sanitiziers." 2322fi 2323have_tsan=no 2324have_tsan_iface_fiber=no 2325if test "$tsan" = "yes" ; then 2326 write_c_skeleton 2327 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then 2328 have_tsan=yes 2329 fi 2330 cat > $TMPC << EOF 2331#include <sanitizer/tsan_interface.h> 2332int main(void) { 2333 __tsan_create_fiber(0); 2334 return 0; 2335} 2336EOF 2337 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then 2338 have_tsan_iface_fiber=yes 2339 fi 2340fi 2341 2342########################################## 2343# check for slirp 2344 2345case "$slirp" in 2346 auto | enabled | internal) 2347 # Simpler to always update submodule, even if not needed. 2348 git_submodules="${git_submodules} slirp" 2349 ;; 2350esac 2351 2352########################################## 2353# End of CC checks 2354# After here, no more $cc or $ld runs 2355 2356write_c_skeleton 2357 2358if test "$fortify_source" = "yes" ; then 2359 QEMU_CFLAGS="-U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $QEMU_CFLAGS" 2360 debug=no 2361fi 2362 2363case "$ARCH" in 2364alpha) 2365 # Ensure there's only a single GP 2366 QEMU_CFLAGS="-msmall-data $QEMU_CFLAGS" 2367;; 2368esac 2369 2370if test "$have_asan" = "yes"; then 2371 QEMU_CFLAGS="-fsanitize=address $QEMU_CFLAGS" 2372 QEMU_LDFLAGS="-fsanitize=address $QEMU_LDFLAGS" 2373 if test "$have_asan_iface_h" = "no" ; then 2374 echo "ASAN build enabled, but ASAN header missing." \ 2375 "Without code annotation, the report may be inferior." 2376 elif test "$have_asan_iface_fiber" = "no" ; then 2377 echo "ASAN build enabled, but ASAN header is too old." \ 2378 "Without code annotation, the report may be inferior." 2379 fi 2380fi 2381if test "$have_tsan" = "yes" ; then 2382 if test "$have_tsan_iface_fiber" = "yes" ; then 2383 QEMU_CFLAGS="-fsanitize=thread $QEMU_CFLAGS" 2384 QEMU_LDFLAGS="-fsanitize=thread $QEMU_LDFLAGS" 2385 else 2386 error_exit "Cannot enable TSAN due to missing fiber annotation interface." 2387 fi 2388elif test "$tsan" = "yes" ; then 2389 error_exit "Cannot enable TSAN due to missing sanitize thread interface." 2390fi 2391if test "$have_ubsan" = "yes"; then 2392 QEMU_CFLAGS="-fsanitize=undefined $QEMU_CFLAGS" 2393 QEMU_LDFLAGS="-fsanitize=undefined $QEMU_LDFLAGS" 2394fi 2395 2396########################################## 2397 2398# Exclude --warn-common with TSan to suppress warnings from the TSan libraries. 2399if test "$solaris" = "no" && test "$tsan" = "no"; then 2400 if $ld --version 2>/dev/null | grep "GNU ld" >/dev/null 2>/dev/null ; then 2401 QEMU_LDFLAGS="-Wl,--warn-common $QEMU_LDFLAGS" 2402 fi 2403fi 2404 2405# Use ASLR, no-SEH and DEP if available 2406if test "$mingw32" = "yes" ; then 2407 flags="--no-seh --nxcompat" 2408 2409 # Disable ASLR for debug builds to allow debugging with gdb 2410 if test "$debug" = "no" ; then 2411 flags="--dynamicbase $flags" 2412 fi 2413 2414 for flag in $flags; do 2415 if ld_has $flag ; then 2416 QEMU_LDFLAGS="-Wl,$flag $QEMU_LDFLAGS" 2417 fi 2418 done 2419fi 2420 2421# Guest agent Windows MSI package 2422 2423if test "$QEMU_GA_MANUFACTURER" = ""; then 2424 QEMU_GA_MANUFACTURER=QEMU 2425fi 2426if test "$QEMU_GA_DISTRO" = ""; then 2427 QEMU_GA_DISTRO=Linux 2428fi 2429if test "$QEMU_GA_VERSION" = ""; then 2430 QEMU_GA_VERSION=$(cat $source_path/VERSION) 2431fi 2432 2433QEMU_GA_MSI_MINGW_BIN_PATH="$($pkg_config --variable=prefix glib-2.0)/bin" 2434 2435# Mac OS X ships with a broken assembler 2436roms= 2437if { test "$cpu" = "i386" || test "$cpu" = "x86_64"; } && \ 2438 test "$targetos" != "darwin" && test "$targetos" != "sunos" && \ 2439 test "$targetos" != "haiku" && test "$softmmu" = yes ; then 2440 # Different host OS linkers have different ideas about the name of the ELF 2441 # emulation. Linux and OpenBSD/amd64 use 'elf_i386'; FreeBSD uses the _fbsd 2442 # variant; OpenBSD/i386 uses the _obsd variant; and Windows uses i386pe. 2443 for emu in elf_i386 elf_i386_fbsd elf_i386_obsd i386pe; do 2444 if "$ld" -verbose 2>&1 | grep -q "^[[:space:]]*$emu[[:space:]]*$"; then 2445 ld_i386_emulation="$emu" 2446 roms="optionrom" 2447 break 2448 fi 2449 done 2450fi 2451 2452# Only build s390-ccw bios if we're on s390x and the compiler has -march=z900 2453# or -march=z10 (which is the lowest architecture level that Clang supports) 2454if test "$cpu" = "s390x" ; then 2455 write_c_skeleton 2456 compile_prog "-march=z900" "" 2457 has_z900=$? 2458 if [ $has_z900 = 0 ] || compile_object "-march=z10 -msoft-float -Werror"; then 2459 if [ $has_z900 != 0 ]; then 2460 echo "WARNING: Your compiler does not support the z900!" 2461 echo " The s390-ccw bios will only work with guest CPUs >= z10." 2462 fi 2463 roms="$roms s390-ccw" 2464 # SLOF is required for building the s390-ccw firmware on s390x, 2465 # since it is using the libnet code from SLOF for network booting. 2466 git_submodules="${git_submodules} roms/SLOF" 2467 fi 2468fi 2469 2470# Check that the C++ compiler exists and works with the C compiler. 2471# All the QEMU_CXXFLAGS are based on QEMU_CFLAGS. Keep this at the end to don't miss any other that could be added. 2472if has $cxx; then 2473 cat > $TMPC <<EOF 2474int c_function(void); 2475int main(void) { return c_function(); } 2476EOF 2477 2478 compile_object 2479 2480 cat > $TMPCXX <<EOF 2481extern "C" { 2482 int c_function(void); 2483} 2484int c_function(void) { return 42; } 2485EOF 2486 2487 update_cxxflags 2488 2489 if do_cxx $CXXFLAGS $EXTRA_CXXFLAGS $CONFIGURE_CXXFLAGS $QEMU_CXXFLAGS -o $TMPE $TMPCXX $TMPO $QEMU_LDFLAGS; then 2490 # C++ compiler $cxx works ok with C compiler $cc 2491 : 2492 else 2493 echo "C++ compiler $cxx does not work with C compiler $cc" 2494 echo "Disabling C++ specific optional code" 2495 cxx= 2496 fi 2497else 2498 echo "No C++ compiler available; disabling C++ specific optional code" 2499 cxx= 2500fi 2501 2502if !(GIT="$git" "$source_path/scripts/git-submodule.sh" "$git_submodules_action" "$git_submodules"); then 2503 exit 1 2504fi 2505 2506config_host_mak="config-host.mak" 2507 2508echo "# Automatically generated by configure - do not modify" > $config_host_mak 2509echo >> $config_host_mak 2510 2511echo all: >> $config_host_mak 2512echo "GIT=$git" >> $config_host_mak 2513echo "GIT_SUBMODULES=$git_submodules" >> $config_host_mak 2514echo "GIT_SUBMODULES_ACTION=$git_submodules_action" >> $config_host_mak 2515 2516if test "$debug_tcg" = "yes" ; then 2517 echo "CONFIG_DEBUG_TCG=y" >> $config_host_mak 2518fi 2519if test "$mingw32" = "yes" ; then 2520 echo "CONFIG_WIN32=y" >> $config_host_mak 2521 echo "QEMU_GA_MSI_MINGW_BIN_PATH=${QEMU_GA_MSI_MINGW_BIN_PATH}" >> $config_host_mak 2522 echo "QEMU_GA_MANUFACTURER=${QEMU_GA_MANUFACTURER}" >> $config_host_mak 2523 echo "QEMU_GA_DISTRO=${QEMU_GA_DISTRO}" >> $config_host_mak 2524 echo "QEMU_GA_VERSION=${QEMU_GA_VERSION}" >> $config_host_mak 2525else 2526 echo "CONFIG_POSIX=y" >> $config_host_mak 2527fi 2528 2529if test "$linux" = "yes" ; then 2530 echo "CONFIG_LINUX=y" >> $config_host_mak 2531fi 2532 2533if test "$darwin" = "yes" ; then 2534 echo "CONFIG_DARWIN=y" >> $config_host_mak 2535fi 2536 2537if test "$solaris" = "yes" ; then 2538 echo "CONFIG_SOLARIS=y" >> $config_host_mak 2539fi 2540if test "$static" = "yes" ; then 2541 echo "CONFIG_STATIC=y" >> $config_host_mak 2542fi 2543echo "CONFIG_BDRV_RW_WHITELIST=$block_drv_rw_whitelist" >> $config_host_mak 2544echo "CONFIG_BDRV_RO_WHITELIST=$block_drv_ro_whitelist" >> $config_host_mak 2545qemu_version=$(head $source_path/VERSION) 2546echo "PKGVERSION=$pkgversion" >>$config_host_mak 2547echo "SRC_PATH=$source_path" >> $config_host_mak 2548echo "TARGET_DIRS=$target_list" >> $config_host_mak 2549if test "$modules" = "yes"; then 2550 # $shacmd can generate a hash started with digit, which the compiler doesn't 2551 # like as an symbol. So prefix it with an underscore 2552 echo "CONFIG_STAMP=_$( (echo $qemu_version; echo $pkgversion; cat $0) | $shacmd - | cut -f1 -d\ )" >> $config_host_mak 2553 echo "CONFIG_MODULES=y" >> $config_host_mak 2554fi 2555echo "CONFIG_TLS_PRIORITY=\"$tls_priority\"" >> $config_host_mak 2556 2557if test "$xen" = "enabled" ; then 2558 echo "CONFIG_XEN_BACKEND=y" >> $config_host_mak 2559 echo "CONFIG_XEN_CTRL_INTERFACE_VERSION=$xen_ctrl_version" >> $config_host_mak 2560 echo "XEN_CFLAGS=$xen_cflags" >> $config_host_mak 2561 echo "XEN_LIBS=$xen_libs" >> $config_host_mak 2562fi 2563if test "$vhost_scsi" = "yes" ; then 2564 echo "CONFIG_VHOST_SCSI=y" >> $config_host_mak 2565fi 2566if test "$vhost_net" = "yes" ; then 2567 echo "CONFIG_VHOST_NET=y" >> $config_host_mak 2568fi 2569if test "$vhost_net_user" = "yes" ; then 2570 echo "CONFIG_VHOST_NET_USER=y" >> $config_host_mak 2571fi 2572if test "$vhost_net_vdpa" = "yes" ; then 2573 echo "CONFIG_VHOST_NET_VDPA=y" >> $config_host_mak 2574fi 2575if test "$vhost_crypto" = "yes" ; then 2576 echo "CONFIG_VHOST_CRYPTO=y" >> $config_host_mak 2577fi 2578if test "$vhost_vsock" = "yes" ; then 2579 echo "CONFIG_VHOST_VSOCK=y" >> $config_host_mak 2580 if test "$vhost_user" = "yes" ; then 2581 echo "CONFIG_VHOST_USER_VSOCK=y" >> $config_host_mak 2582 fi 2583fi 2584if test "$vhost_kernel" = "yes" ; then 2585 echo "CONFIG_VHOST_KERNEL=y" >> $config_host_mak 2586fi 2587if test "$vhost_user" = "yes" ; then 2588 echo "CONFIG_VHOST_USER=y" >> $config_host_mak 2589fi 2590if test "$vhost_vdpa" = "yes" ; then 2591 echo "CONFIG_VHOST_VDPA=y" >> $config_host_mak 2592fi 2593if test "$vhost_user_fs" = "yes" ; then 2594 echo "CONFIG_VHOST_USER_FS=y" >> $config_host_mak 2595fi 2596 2597# XXX: suppress that 2598if [ "$bsd" = "yes" ] ; then 2599 echo "CONFIG_BSD=y" >> $config_host_mak 2600fi 2601 2602echo "CONFIG_COROUTINE_BACKEND=$coroutine" >> $config_host_mak 2603 2604if test "$have_asan_iface_fiber" = "yes" ; then 2605 echo "CONFIG_ASAN_IFACE_FIBER=y" >> $config_host_mak 2606fi 2607 2608if test "$have_tsan" = "yes" && test "$have_tsan_iface_fiber" = "yes" ; then 2609 echo "CONFIG_TSAN=y" >> $config_host_mak 2610fi 2611 2612if test "$plugins" = "yes" ; then 2613 echo "CONFIG_PLUGIN=y" >> $config_host_mak 2614fi 2615 2616if test -n "$gdb_bin"; then 2617 gdb_version=$($gdb_bin --version | head -n 1) 2618 if version_ge ${gdb_version##* } 9.1; then 2619 echo "HAVE_GDB_BIN=$gdb_bin" >> $config_host_mak 2620 fi 2621fi 2622 2623echo "ROMS=$roms" >> $config_host_mak 2624echo "MAKE=$make" >> $config_host_mak 2625echo "PYTHON=$python" >> $config_host_mak 2626echo "GENISOIMAGE=$genisoimage" >> $config_host_mak 2627echo "MESON=$meson" >> $config_host_mak 2628echo "NINJA=$ninja" >> $config_host_mak 2629echo "CC=$cc" >> $config_host_mak 2630echo "AR=$ar" >> $config_host_mak 2631echo "AS=$as" >> $config_host_mak 2632echo "CCAS=$ccas" >> $config_host_mak 2633echo "CPP=$cpp" >> $config_host_mak 2634echo "OBJCOPY=$objcopy" >> $config_host_mak 2635echo "LD=$ld" >> $config_host_mak 2636echo "CFLAGS_NOPIE=$CFLAGS_NOPIE" >> $config_host_mak 2637echo "QEMU_CFLAGS=$QEMU_CFLAGS" >> $config_host_mak 2638echo "QEMU_CXXFLAGS=$QEMU_CXXFLAGS" >> $config_host_mak 2639echo "QEMU_OBJCFLAGS=$QEMU_OBJCFLAGS" >> $config_host_mak 2640echo "GLIB_CFLAGS=$glib_cflags" >> $config_host_mak 2641echo "GLIB_LIBS=$glib_libs" >> $config_host_mak 2642echo "GLIB_VERSION=$(pkg-config --modversion glib-2.0)" >> $config_host_mak 2643echo "QEMU_LDFLAGS=$QEMU_LDFLAGS" >> $config_host_mak 2644echo "LD_I386_EMULATION=$ld_i386_emulation" >> $config_host_mak 2645echo "STRIP=$strip" >> $config_host_mak 2646echo "EXESUF=$EXESUF" >> $config_host_mak 2647 2648# use included Linux headers 2649if test "$linux" = "yes" ; then 2650 mkdir -p linux-headers 2651 case "$cpu" in 2652 i386|x86_64) 2653 linux_arch=x86 2654 ;; 2655 ppc|ppc64) 2656 linux_arch=powerpc 2657 ;; 2658 s390x) 2659 linux_arch=s390 2660 ;; 2661 aarch64) 2662 linux_arch=arm64 2663 ;; 2664 loongarch*) 2665 linux_arch=loongarch 2666 ;; 2667 mips64) 2668 linux_arch=mips 2669 ;; 2670 *) 2671 # For most CPUs the kernel architecture name and QEMU CPU name match. 2672 linux_arch="$cpu" 2673 ;; 2674 esac 2675 # For non-KVM architectures we will not have asm headers 2676 if [ -e "$source_path/linux-headers/asm-$linux_arch" ]; then 2677 symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm 2678 fi 2679fi 2680 2681for target in $target_list; do 2682 target_dir="$target" 2683 target_name=$(echo $target | cut -d '-' -f 1)$EXESUF 2684 mkdir -p $target_dir 2685 case $target in 2686 *-user) symlink "../qemu-$target_name" "$target_dir/qemu-$target_name" ;; 2687 *) symlink "../qemu-system-$target_name" "$target_dir/qemu-system-$target_name" ;; 2688 esac 2689done 2690 2691echo "CONFIG_QEMU_INTERP_PREFIX=$interp_prefix" | sed 's/%M/@0@/' >> $config_host_mak 2692if test "$default_targets" = "yes"; then 2693 echo "CONFIG_DEFAULT_TARGETS=y" >> $config_host_mak 2694fi 2695 2696if test "$ccache_cpp2" = "yes"; then 2697 echo "export CCACHE_CPP2=y" >> $config_host_mak 2698fi 2699 2700if test "$safe_stack" = "yes"; then 2701 echo "CONFIG_SAFESTACK=y" >> $config_host_mak 2702fi 2703 2704# If we're using a separate build tree, set it up now. 2705# LINKS are things to symlink back into the source tree 2706# (these can be both files and directories). 2707# Caution: do not add files or directories here using wildcards. This 2708# will result in problems later if a new file matching the wildcard is 2709# added to the source tree -- nothing will cause configure to be rerun 2710# so the build tree will be missing the link back to the new file, and 2711# tests might fail. Prefer to keep the relevant files in their own 2712# directory and symlink the directory instead. 2713LINKS="Makefile" 2714LINKS="$LINKS tests/tcg/Makefile.target" 2715LINKS="$LINKS pc-bios/optionrom/Makefile" 2716LINKS="$LINKS pc-bios/s390-ccw/Makefile" 2717LINKS="$LINKS .gdbinit scripts" # scripts needed by relative path in .gdbinit 2718LINKS="$LINKS tests/avocado tests/data" 2719LINKS="$LINKS tests/qemu-iotests/check" 2720LINKS="$LINKS python" 2721LINKS="$LINKS contrib/plugins/Makefile " 2722for bios_file in \ 2723 $source_path/pc-bios/*.bin \ 2724 $source_path/pc-bios/*.elf \ 2725 $source_path/pc-bios/*.lid \ 2726 $source_path/pc-bios/*.rom \ 2727 $source_path/pc-bios/*.dtb \ 2728 $source_path/pc-bios/*.img \ 2729 $source_path/pc-bios/openbios-* \ 2730 $source_path/pc-bios/u-boot.* \ 2731 $source_path/pc-bios/palcode-* \ 2732 $source_path/pc-bios/qemu_vga.ndrv 2733 2734do 2735 LINKS="$LINKS pc-bios/$(basename $bios_file)" 2736done 2737for f in $LINKS ; do 2738 if [ -e "$source_path/$f" ]; then 2739 mkdir -p `dirname ./$f` 2740 symlink "$source_path/$f" "$f" 2741 fi 2742done 2743 2744(for i in $cross_cc_vars; do 2745 export $i 2746done 2747export target_list source_path use_containers cpu host_cc 2748$source_path/tests/tcg/configure.sh) 2749 2750config_mak=pc-bios/optionrom/config.mak 2751echo "# Automatically generated by configure - do not modify" > $config_mak 2752echo "TOPSRC_DIR=$source_path" >> $config_mak 2753 2754if test "$skip_meson" = no; then 2755 cross="config-meson.cross.new" 2756 meson_quote() { 2757 test $# = 0 && return 2758 echo "'$(echo $* | sed "s/ /','/g")'" 2759 } 2760 2761 echo "# Automatically generated by configure - do not modify" > $cross 2762 echo "[properties]" >> $cross 2763 2764 # unroll any custom device configs 2765 for a in $device_archs; do 2766 eval "c=\$devices_${a}" 2767 echo "${a}-softmmu = '$c'" >> $cross 2768 done 2769 2770 test -z "$cxx" && echo "link_language = 'c'" >> $cross 2771 echo "[built-in options]" >> $cross 2772 echo "c_args = [$(meson_quote $CFLAGS $EXTRA_CFLAGS)]" >> $cross 2773 echo "cpp_args = [$(meson_quote $CXXFLAGS $EXTRA_CXXFLAGS)]" >> $cross 2774 test -n "$objcc" && echo "objc_args = [$(meson_quote $OBJCFLAGS $EXTRA_OBJCFLAGS)]" >> $cross 2775 echo "c_link_args = [$(meson_quote $CFLAGS $LDFLAGS $EXTRA_CFLAGS $EXTRA_LDFLAGS)]" >> $cross 2776 echo "cpp_link_args = [$(meson_quote $CXXFLAGS $LDFLAGS $EXTRA_CXXFLAGS $EXTRA_LDFLAGS)]" >> $cross 2777 echo "[binaries]" >> $cross 2778 echo "c = [$(meson_quote $cc $CPU_CFLAGS)]" >> $cross 2779 test -n "$cxx" && echo "cpp = [$(meson_quote $cxx $CPU_CFLAGS)]" >> $cross 2780 test -n "$objcc" && echo "objc = [$(meson_quote $objcc $CPU_CFLAGS)]" >> $cross 2781 echo "ar = [$(meson_quote $ar)]" >> $cross 2782 echo "nm = [$(meson_quote $nm)]" >> $cross 2783 echo "pkgconfig = [$(meson_quote $pkg_config_exe)]" >> $cross 2784 echo "ranlib = [$(meson_quote $ranlib)]" >> $cross 2785 if has $sdl2_config; then 2786 echo "sdl2-config = [$(meson_quote $sdl2_config)]" >> $cross 2787 fi 2788 echo "strip = [$(meson_quote $strip)]" >> $cross 2789 echo "windres = [$(meson_quote $windres)]" >> $cross 2790 if test "$cross_compile" = "yes"; then 2791 cross_arg="--cross-file config-meson.cross" 2792 echo "[host_machine]" >> $cross 2793 echo "system = '$targetos'" >> $cross 2794 case "$cpu" in 2795 i386) 2796 echo "cpu_family = 'x86'" >> $cross 2797 ;; 2798 *) 2799 echo "cpu_family = '$cpu'" >> $cross 2800 ;; 2801 esac 2802 echo "cpu = '$cpu'" >> $cross 2803 if test "$bigendian" = "yes" ; then 2804 echo "endian = 'big'" >> $cross 2805 else 2806 echo "endian = 'little'" >> $cross 2807 fi 2808 else 2809 cross_arg="--native-file config-meson.cross" 2810 fi 2811 mv $cross config-meson.cross 2812 2813 rm -rf meson-private meson-info meson-logs 2814 run_meson() { 2815 NINJA=$ninja $meson setup \ 2816 --prefix "$prefix" \ 2817 --libdir "$libdir" \ 2818 --libexecdir "$libexecdir" \ 2819 --bindir "$bindir" \ 2820 --includedir "$includedir" \ 2821 --datadir "$datadir" \ 2822 --mandir "$mandir" \ 2823 --sysconfdir "$sysconfdir" \ 2824 --localedir "$localedir" \ 2825 --localstatedir "$local_statedir" \ 2826 -Daudio_drv_list=$audio_drv_list \ 2827 -Ddefault_devices=$default_devices \ 2828 -Ddocdir="$docdir" \ 2829 -Diasl="$($iasl -h >/dev/null 2>&1 && printf %s "$iasl")" \ 2830 -Dqemu_firmwarepath="$firmwarepath" \ 2831 -Dqemu_suffix="$qemu_suffix" \ 2832 -Dsmbd="$smbd" \ 2833 -Dsphinx_build="$sphinx_build" \ 2834 -Dtrace_file="$trace_file" \ 2835 -Doptimization=$(if test "$debug" = yes; then echo 0; else echo 2; fi) \ 2836 -Ddebug=$(if test "$debug_info" = yes; then echo true; else echo false; fi) \ 2837 -Dwerror=$(if test "$werror" = yes; then echo true; else echo false; fi) \ 2838 -Db_pie=$(if test "$pie" = yes; then echo true; else echo false; fi) \ 2839 -Db_coverage=$(if test "$gcov" = yes; then echo true; else echo false; fi) \ 2840 -Db_lto=$lto -Dcfi=$cfi -Dtcg=$tcg -Dxen=$xen \ 2841 -Dcapstone=$capstone -Dfdt=$fdt -Dslirp=$slirp \ 2842 $(test -n "${LIB_FUZZING_ENGINE+xxx}" && echo "-Dfuzzing_engine=$LIB_FUZZING_ENGINE") \ 2843 $(if test "$default_feature" = no; then echo "-Dauto_features=disabled"; fi) \ 2844 "$@" $cross_arg "$PWD" "$source_path" 2845 } 2846 eval run_meson $meson_options 2847 if test "$?" -ne 0 ; then 2848 error_exit "meson setup failed" 2849 fi 2850else 2851 if test -f meson-private/cmd_line.txt; then 2852 # Adjust old command line options whose type was changed 2853 # Avoids having to use "setup --wipe" when Meson is upgraded 2854 perl -i -ne ' 2855 s/^gettext = true$/gettext = auto/; 2856 s/^gettext = false$/gettext = disabled/; 2857 /^b_staticpic/ && next; 2858 print;' meson-private/cmd_line.txt 2859 fi 2860fi 2861 2862# Save the configure command line for later reuse. 2863cat <<EOD >config.status 2864#!/bin/sh 2865# Generated by configure. 2866# Run this file to recreate the current configuration. 2867# Compiler output produced by configure, useful for debugging 2868# configure, is in config.log if it exists. 2869EOD 2870 2871preserve_env() { 2872 envname=$1 2873 2874 eval envval=\$$envname 2875 2876 if test -n "$envval" 2877 then 2878 echo "$envname='$envval'" >> config.status 2879 echo "export $envname" >> config.status 2880 else 2881 echo "unset $envname" >> config.status 2882 fi 2883} 2884 2885# Preserve various env variables that influence what 2886# features/build target configure will detect 2887preserve_env AR 2888preserve_env AS 2889preserve_env CC 2890preserve_env CPP 2891preserve_env CFLAGS 2892preserve_env CXX 2893preserve_env CXXFLAGS 2894preserve_env INSTALL 2895preserve_env LD 2896preserve_env LDFLAGS 2897preserve_env LD_LIBRARY_PATH 2898preserve_env LIBTOOL 2899preserve_env MAKE 2900preserve_env NM 2901preserve_env OBJCOPY 2902preserve_env PATH 2903preserve_env PKG_CONFIG 2904preserve_env PKG_CONFIG_LIBDIR 2905preserve_env PKG_CONFIG_PATH 2906preserve_env PYTHON 2907preserve_env SDL2_CONFIG 2908preserve_env SMBD 2909preserve_env STRIP 2910preserve_env WINDRES 2911 2912printf "exec" >>config.status 2913for i in "$0" "$@"; do 2914 test "$i" = --skip-meson || printf " %s" "$(quote_sh "$i")" >>config.status 2915done 2916echo ' "$@"' >>config.status 2917chmod +x config.status 2918 2919rm -r "$TMPDIR1" 2920