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}/${TMPB}.cxx" 80TMPE="${TMPDIR1}/${TMPB}.exe" 81 82rm -f config.log 83 84# Print a helpful header at the top of config.log 85echo "# QEMU configure log $(date)" >> config.log 86printf "# Configured with:" >> config.log 87printf " '%s'" "$0" "$@" >> config.log 88echo >> config.log 89echo "#" >> config.log 90 91quote_sh() { 92 printf "%s" "$1" | sed "s,','\\\\'',g; s,.*,'&'," 93} 94 95print_error() { 96 (echo 97 echo "ERROR: $1" 98 while test -n "$2"; do 99 echo " $2" 100 shift 101 done 102 echo) >&2 103} 104 105error_exit() { 106 print_error "$@" 107 exit 1 108} 109 110do_compiler() { 111 # Run the compiler, capturing its output to the log. First argument 112 # is compiler binary to execute. 113 compiler="$1" 114 shift 115 if test -n "$BASH_VERSION"; then eval ' 116 echo >>config.log " 117funcs: ${FUNCNAME[*]} 118lines: ${BASH_LINENO[*]}" 119 '; fi 120 echo $compiler "$@" >> config.log 121 $compiler "$@" >> config.log 2>&1 || return $? 122 # Test passed. If this is an --enable-werror build, rerun 123 # the test with -Werror and bail out if it fails. This 124 # makes warning-generating-errors in configure test code 125 # obvious to developers. 126 if test "$werror" != "yes"; then 127 return 0 128 fi 129 # Don't bother rerunning the compile if we were already using -Werror 130 case "$*" in 131 *-Werror*) 132 return 0 133 ;; 134 esac 135 echo $compiler -Werror "$@" >> config.log 136 $compiler -Werror "$@" >> config.log 2>&1 && return $? 137 error_exit "configure test passed without -Werror but failed with -Werror." \ 138 "This is probably a bug in the configure script. The failing command" \ 139 "will be at the bottom of config.log." \ 140 "You can run configure with --disable-werror to bypass this check." 141} 142 143do_cc() { 144 do_compiler "$cc" $CPU_CFLAGS "$@" 145} 146 147do_cxx() { 148 do_compiler "$cxx" $CPU_CFLAGS "$@" 149} 150 151# Append $2 to the variable named $1, with space separation 152add_to() { 153 eval $1=\${$1:+\"\$$1 \"}\$2 154} 155 156update_cxxflags() { 157 # Set QEMU_CXXFLAGS from QEMU_CFLAGS by filtering out those 158 # options which some versions of GCC's C++ compiler complain about 159 # because they only make sense for C programs. 160 QEMU_CXXFLAGS="-D__STDC_LIMIT_MACROS -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS" 161 CONFIGURE_CXXFLAGS=$(echo "$CONFIGURE_CFLAGS" | sed s/-std=gnu11/-std=gnu++11/) 162 for arg in $QEMU_CFLAGS; do 163 case $arg in 164 -Wstrict-prototypes|-Wmissing-prototypes|-Wnested-externs|\ 165 -Wold-style-declaration|-Wold-style-definition|-Wredundant-decls) 166 ;; 167 *) 168 QEMU_CXXFLAGS=${QEMU_CXXFLAGS:+$QEMU_CXXFLAGS }$arg 169 ;; 170 esac 171 done 172} 173 174compile_object() { 175 local_cflags="$1" 176 do_cc $CFLAGS $EXTRA_CFLAGS $CONFIGURE_CFLAGS $QEMU_CFLAGS $local_cflags -c -o $TMPO $TMPC 177} 178 179compile_prog() { 180 local_cflags="$1" 181 local_ldflags="$2" 182 do_cc $CFLAGS $EXTRA_CFLAGS $CONFIGURE_CFLAGS $QEMU_CFLAGS $local_cflags -o $TMPE $TMPC \ 183 $LDFLAGS $EXTRA_LDFLAGS $CONFIGURE_LDFLAGS $QEMU_LDFLAGS $local_ldflags 184} 185 186# symbolically link $1 to $2. Portable version of "ln -sf". 187symlink() { 188 rm -rf "$2" 189 mkdir -p "$(dirname "$2")" 190 ln -s "$1" "$2" 191} 192 193# check whether a command is available to this shell (may be either an 194# executable or a builtin) 195has() { 196 type "$1" >/dev/null 2>&1 197} 198 199version_ge () { 200 local_ver1=$(expr "$1" : '\([0-9.]*\)' | tr . ' ') 201 local_ver2=$(echo "$2" | tr . ' ') 202 while true; do 203 set x $local_ver1 204 local_first=${2-0} 205 # 'shift 2' if $2 is set, or 'shift' if $2 is not set 206 shift ${2:+2} 207 local_ver1=$* 208 set x $local_ver2 209 # the second argument finished, the first must be greater or equal 210 test $# = 1 && return 0 211 test $local_first -lt $2 && return 1 212 test $local_first -gt $2 && return 0 213 shift ${2:+2} 214 local_ver2=$* 215 done 216} 217 218glob() { 219 eval test -z '"${1#'"$2"'}"' 220} 221 222ld_has() { 223 $ld --help 2>/dev/null | grep ".$1" >/dev/null 2>&1 224} 225 226if printf %s\\n "$source_path" "$PWD" | grep -q "[[:space:]:]"; 227then 228 error_exit "main directory cannot contain spaces nor colons" 229fi 230 231# default parameters 232cpu="" 233iasl="iasl" 234interp_prefix="/usr/gnemul/qemu-%M" 235static="no" 236cross_compile="no" 237cross_prefix="" 238audio_drv_list="default" 239block_drv_rw_whitelist="" 240block_drv_ro_whitelist="" 241host_cc="cc" 242debug_info="yes" 243lto="false" 244stack_protector="" 245safe_stack="" 246use_containers="yes" 247gdb_bin=$(command -v "gdb-multiarch" || command -v "gdb") 248 249if test -e "$source_path/.git" 250then 251 git_submodules_action="update" 252else 253 git_submodules_action="ignore" 254fi 255 256git_submodules="ui/keycodemapdb" 257git="git" 258 259# Don't accept a target_list environment variable. 260unset target_list 261unset target_list_exclude 262 263# Default value for a variable defining feature "foo". 264# * foo="no" feature will only be used if --enable-foo arg is given 265# * foo="" feature will be searched for, and if found, will be used 266# unless --disable-foo is given 267# * foo="yes" this value will only be set by --enable-foo flag. 268# feature will searched for, 269# if not found, configure exits with error 270# 271# Always add --enable-foo and --disable-foo command line args. 272# Distributions want to ensure that several features are compiled in, and it 273# is impossible without a --enable-foo that exits if a feature is not found. 274 275default_feature="" 276# parse CC options second 277for opt do 278 optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)') 279 case "$opt" in 280 --without-default-features) 281 default_feature="no" 282 ;; 283 esac 284done 285 286EXTRA_CFLAGS="" 287EXTRA_CXXFLAGS="" 288EXTRA_LDFLAGS="" 289 290xen_ctrl_version="$default_feature" 291vhost_kernel="$default_feature" 292vhost_net="$default_feature" 293vhost_crypto="$default_feature" 294vhost_scsi="$default_feature" 295vhost_vsock="$default_feature" 296vhost_user="no" 297vhost_user_fs="$default_feature" 298vhost_vdpa="$default_feature" 299rdma="$default_feature" 300pvrdma="$default_feature" 301debug_tcg="no" 302debug="no" 303sanitizers="no" 304tsan="no" 305fortify_source="$default_feature" 306gcov="no" 307EXESUF="" 308modules="no" 309module_upgrades="no" 310prefix="/usr/local" 311qemu_suffix="qemu" 312softmmu="yes" 313linux_user="" 314bsd_user="" 315pkgversion="" 316pie="" 317trace_backends="log" 318trace_file="trace" 319opengl="$default_feature" 320coroutine="" 321tls_priority="NORMAL" 322plugins="$default_feature" 323secret_keyring="$default_feature" 324meson="" 325meson_args="" 326ninja="" 327gio="$default_feature" 328skip_meson=no 329 330# The following Meson options are handled manually (still they 331# are included in the automatically generated help message) 332 333# 1. Track which submodules are needed 334if test "$default_feature" = no ; then 335 capstone="disabled" 336 slirp="disabled" 337else 338 capstone="auto" 339 slirp="auto" 340fi 341fdt="auto" 342 343# 2. Support --with/--without option 344default_devices="true" 345 346# 3. Automatically enable/disable other options 347tcg="enabled" 348cfi="false" 349 350# 4. Detection partly done in configure 351xen=${default_feature:+disabled} 352 353# parse CC options second 354for opt do 355 optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)') 356 case "$opt" in 357 --cross-prefix=*) cross_prefix="$optarg" 358 cross_compile="yes" 359 ;; 360 --cc=*) CC="$optarg" 361 ;; 362 --cxx=*) CXX="$optarg" 363 ;; 364 --cpu=*) cpu="$optarg" 365 ;; 366 --extra-cflags=*) 367 EXTRA_CFLAGS="$EXTRA_CFLAGS $optarg" 368 EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS $optarg" 369 ;; 370 --extra-cxxflags=*) EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS $optarg" 371 ;; 372 --extra-ldflags=*) EXTRA_LDFLAGS="$EXTRA_LDFLAGS $optarg" 373 ;; 374 --enable-debug-info) debug_info="yes" 375 ;; 376 --disable-debug-info) debug_info="no" 377 ;; 378 --cross-cc-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-cc-FOO option" 379 ;; 380 --cross-cc-cflags-*) cc_arch=${opt#--cross-cc-cflags-}; cc_arch=${cc_arch%%=*} 381 eval "cross_cc_cflags_${cc_arch}=\$optarg" 382 cross_cc_vars="$cross_cc_vars cross_cc_cflags_${cc_arch}" 383 ;; 384 --cross-cc-*) cc_arch=${opt#--cross-cc-}; cc_arch=${cc_arch%%=*} 385 cc_archs="$cc_archs $cc_arch" 386 eval "cross_cc_${cc_arch}=\$optarg" 387 cross_cc_vars="$cross_cc_vars cross_cc_${cc_arch}" 388 ;; 389 esac 390done 391# OS specific 392# Using uname is really, really broken. Once we have the right set of checks 393# we can eliminate its usage altogether. 394 395# Preferred compiler: 396# ${CC} (if set) 397# ${cross_prefix}gcc (if cross-prefix specified) 398# system compiler 399if test -z "${CC}${cross_prefix}"; then 400 cc="$host_cc" 401else 402 cc="${CC-${cross_prefix}gcc}" 403fi 404 405if test -z "${CXX}${cross_prefix}"; then 406 cxx="c++" 407else 408 cxx="${CXX-${cross_prefix}g++}" 409fi 410 411ar="${AR-${cross_prefix}ar}" 412as="${AS-${cross_prefix}as}" 413ccas="${CCAS-$cc}" 414cpp="${CPP-$cc -E}" 415objcopy="${OBJCOPY-${cross_prefix}objcopy}" 416ld="${LD-${cross_prefix}ld}" 417ranlib="${RANLIB-${cross_prefix}ranlib}" 418nm="${NM-${cross_prefix}nm}" 419smbd="$SMBD" 420strip="${STRIP-${cross_prefix}strip}" 421windres="${WINDRES-${cross_prefix}windres}" 422pkg_config_exe="${PKG_CONFIG-${cross_prefix}pkg-config}" 423query_pkg_config() { 424 "${pkg_config_exe}" ${QEMU_PKG_CONFIG_FLAGS} "$@" 425} 426pkg_config=query_pkg_config 427sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}" 428 429# default flags for all hosts 430# We use -fwrapv to tell the compiler that we require a C dialect where 431# left shift of signed integers is well defined and has the expected 432# 2s-complement style results. (Both clang and gcc agree that it 433# provides these semantics.) 434QEMU_CFLAGS="-fno-strict-aliasing -fno-common -fwrapv" 435QEMU_CFLAGS="-Wundef -Wwrite-strings -Wmissing-prototypes $QEMU_CFLAGS" 436QEMU_CFLAGS="-Wstrict-prototypes -Wredundant-decls $QEMU_CFLAGS" 437QEMU_CFLAGS="-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE $QEMU_CFLAGS" 438 439QEMU_LDFLAGS= 440 441# Flags that are needed during configure but later taken care of by Meson 442CONFIGURE_CFLAGS="-std=gnu11 -Wall" 443CONFIGURE_LDFLAGS= 444 445 446check_define() { 447cat > $TMPC <<EOF 448#if !defined($1) 449#error $1 not defined 450#endif 451int main(void) { return 0; } 452EOF 453 compile_object 454} 455 456check_include() { 457cat > $TMPC <<EOF 458#include <$1> 459int main(void) { return 0; } 460EOF 461 compile_object 462} 463 464write_c_skeleton() { 465 cat > $TMPC <<EOF 466int main(void) { return 0; } 467EOF 468} 469 470if check_define __linux__ ; then 471 targetos=linux 472elif check_define _WIN32 ; then 473 targetos=windows 474elif check_define __OpenBSD__ ; then 475 targetos=openbsd 476elif check_define __sun__ ; then 477 targetos=sunos 478elif check_define __HAIKU__ ; then 479 targetos=haiku 480elif check_define __FreeBSD__ ; then 481 targetos=freebsd 482elif check_define __FreeBSD_kernel__ && check_define __GLIBC__; then 483 targetos=gnu/kfreebsd 484elif check_define __DragonFly__ ; then 485 targetos=dragonfly 486elif check_define __NetBSD__; then 487 targetos=netbsd 488elif check_define __APPLE__; then 489 targetos=darwin 490else 491 # This is a fatal error, but don't report it yet, because we 492 # might be going to just print the --help text, or it might 493 # be the result of a missing compiler. 494 targetos=bogus 495fi 496 497# OS specific 498 499mingw32="no" 500bsd="no" 501linux="no" 502solaris="no" 503case $targetos in 504windows) 505 mingw32="yes" 506 plugins="no" 507 pie="no" 508;; 509gnu/kfreebsd) 510 bsd="yes" 511;; 512freebsd) 513 bsd="yes" 514 make="${MAKE-gmake}" 515 # needed for kinfo_getvmmap(3) in libutil.h 516;; 517dragonfly) 518 bsd="yes" 519 make="${MAKE-gmake}" 520;; 521netbsd) 522 bsd="yes" 523 make="${MAKE-gmake}" 524;; 525openbsd) 526 bsd="yes" 527 make="${MAKE-gmake}" 528;; 529darwin) 530 bsd="yes" 531 darwin="yes" 532 # Disable attempts to use ObjectiveC features in os/object.h since they 533 # won't work when we're compiling with gcc as a C compiler. 534 QEMU_CFLAGS="-DOS_OBJECT_USE_OBJC=0 $QEMU_CFLAGS" 535;; 536sunos) 537 solaris="yes" 538 make="${MAKE-gmake}" 539# needed for CMSG_ macros in sys/socket.h 540 QEMU_CFLAGS="-D_XOPEN_SOURCE=600 $QEMU_CFLAGS" 541# needed for TIOCWIN* defines in termios.h 542 QEMU_CFLAGS="-D__EXTENSIONS__ $QEMU_CFLAGS" 543 # $(uname -m) returns i86pc even on an x86_64 box, so default based on isainfo 544 # Note that this check is broken for cross-compilation: if you're 545 # cross-compiling to one of these OSes then you'll need to specify 546 # the correct CPU with the --cpu option. 547 if test -z "$cpu" && test "$(isainfo -k)" = "amd64"; then 548 cpu="x86_64" 549 fi 550;; 551haiku) 552 pie="no" 553 QEMU_CFLAGS="-DB_USE_POSITIVE_POSIX_ERRORS -D_BSD_SOURCE -fPIC $QEMU_CFLAGS" 554;; 555linux) 556 linux="yes" 557 vhost_user=${default_feature:-yes} 558;; 559esac 560 561if test ! -z "$cpu" ; then 562 # command line argument 563 : 564elif check_define __i386__ ; then 565 cpu="i386" 566elif check_define __x86_64__ ; then 567 if check_define __ILP32__ ; then 568 cpu="x32" 569 else 570 cpu="x86_64" 571 fi 572elif check_define __sparc__ ; then 573 if check_define __arch64__ ; then 574 cpu="sparc64" 575 else 576 cpu="sparc" 577 fi 578elif check_define _ARCH_PPC ; then 579 if check_define _ARCH_PPC64 ; then 580 if check_define _LITTLE_ENDIAN ; then 581 cpu="ppc64le" 582 else 583 cpu="ppc64" 584 fi 585 else 586 cpu="ppc" 587 fi 588elif check_define __mips__ ; then 589 cpu="mips" 590elif check_define __s390__ ; then 591 if check_define __s390x__ ; then 592 cpu="s390x" 593 else 594 cpu="s390" 595 fi 596elif check_define __riscv ; then 597 cpu="riscv" 598elif check_define __arm__ ; then 599 cpu="arm" 600elif check_define __aarch64__ ; then 601 cpu="aarch64" 602elif check_define __loongarch64 ; then 603 cpu="loongarch64" 604else 605 cpu=$(uname -m) 606fi 607 608# Normalise host CPU name, set multilib cflags 609# Note that this case should only have supported host CPUs, not guests. 610case "$cpu" in 611 armv*b|armv*l|arm) 612 cpu="arm" ;; 613 614 i386|i486|i586|i686|i86pc|BePC) 615 cpu="i386" 616 CPU_CFLAGS="-m32" ;; 617 x32) 618 cpu="x86_64" 619 CPU_CFLAGS="-mx32" ;; 620 x86_64|amd64) 621 cpu="x86_64" 622 # ??? Only extremely old AMD cpus do not have cmpxchg16b. 623 # If we truly care, we should simply detect this case at 624 # runtime and generate the fallback to serial emulation. 625 CPU_CFLAGS="-m64 -mcx16" ;; 626 627 mips*) 628 cpu="mips" ;; 629 630 ppc) 631 CPU_CFLAGS="-m32" ;; 632 ppc64) 633 CPU_CFLAGS="-m64 -mbig" ;; 634 ppc64le) 635 cpu="ppc64" 636 CPU_CFLAGS="-m64 -mlittle" ;; 637 638 s390) 639 CPU_CFLAGS="-m31" ;; 640 s390x) 641 CPU_CFLAGS="-m64" ;; 642 643 sparc|sun4[cdmuv]) 644 cpu="sparc" 645 CPU_CFLAGS="-m32 -mv8plus -mcpu=ultrasparc" ;; 646 sparc64) 647 CPU_CFLAGS="-m64 -mcpu=ultrasparc" ;; 648esac 649 650: ${make=${MAKE-make}} 651 652# We prefer python 3.x. A bare 'python' is traditionally 653# python 2.x, but some distros have it as python 3.x, so 654# we check that too 655python= 656explicit_python=no 657for binary in "${PYTHON-python3}" python 658do 659 if has "$binary" 660 then 661 python=$(command -v "$binary") 662 break 663 fi 664done 665 666 667# Check for ancillary tools used in testing 668genisoimage= 669for binary in genisoimage mkisofs 670do 671 if has $binary 672 then 673 genisoimage=$(command -v "$binary") 674 break 675 fi 676done 677 678# Default objcc to clang if available, otherwise use CC 679if has clang; then 680 objcc=clang 681else 682 objcc="$cc" 683fi 684 685if test "$mingw32" = "yes" ; then 686 EXESUF=".exe" 687 # MinGW needs -mthreads for TLS and macro _MT. 688 CONFIGURE_CFLAGS="-mthreads $CONFIGURE_CFLAGS" 689 write_c_skeleton; 690 prefix="/qemu" 691 qemu_suffix="" 692fi 693 694werror="" 695 696. $source_path/scripts/meson-buildoptions.sh 697 698meson_options= 699meson_option_parse() { 700 meson_options="$meson_options $(_meson_option_parse "$@")" 701 if test $? -eq 1; then 702 echo "ERROR: unknown option $1" 703 echo "Try '$0 --help' for more information" 704 exit 1 705 fi 706} 707 708for opt do 709 optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)') 710 case "$opt" in 711 --help|-h) show_help=yes 712 ;; 713 --version|-V) exec cat $source_path/VERSION 714 ;; 715 --prefix=*) prefix="$optarg" 716 ;; 717 --interp-prefix=*) interp_prefix="$optarg" 718 ;; 719 --cross-prefix=*) 720 ;; 721 --cc=*) 722 ;; 723 --host-cc=*) host_cc="$optarg" 724 ;; 725 --cxx=*) 726 ;; 727 --iasl=*) iasl="$optarg" 728 ;; 729 --objcc=*) objcc="$optarg" 730 ;; 731 --make=*) make="$optarg" 732 ;; 733 --install=*) 734 ;; 735 --python=*) python="$optarg" ; explicit_python=yes 736 ;; 737 --sphinx-build=*) sphinx_build="$optarg" 738 ;; 739 --skip-meson) skip_meson=yes 740 ;; 741 --meson=*) meson="$optarg" 742 ;; 743 --ninja=*) ninja="$optarg" 744 ;; 745 --smbd=*) smbd="$optarg" 746 ;; 747 --extra-cflags=*) 748 ;; 749 --extra-cxxflags=*) 750 ;; 751 --extra-ldflags=*) 752 ;; 753 --enable-debug-info) 754 ;; 755 --disable-debug-info) 756 ;; 757 --cross-cc-*) 758 ;; 759 --enable-modules) 760 modules="yes" 761 ;; 762 --disable-modules) 763 modules="no" 764 ;; 765 --disable-module-upgrades) module_upgrades="no" 766 ;; 767 --enable-module-upgrades) module_upgrades="yes" 768 ;; 769 --cpu=*) 770 ;; 771 --target-list=*) target_list="$optarg" 772 if test "$target_list_exclude"; then 773 error_exit "Can't mix --target-list with --target-list-exclude" 774 fi 775 ;; 776 --target-list-exclude=*) target_list_exclude="$optarg" 777 if test "$target_list"; then 778 error_exit "Can't mix --target-list-exclude with --target-list" 779 fi 780 ;; 781 --with-trace-file=*) trace_file="$optarg" 782 ;; 783 --with-default-devices) default_devices="true" 784 ;; 785 --without-default-devices) default_devices="false" 786 ;; 787 --with-devices-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --with-devices-FOO option" 788 ;; 789 --with-devices-*) device_arch=${opt#--with-devices-}; 790 device_arch=${device_arch%%=*} 791 cf=$source_path/configs/devices/$device_arch-softmmu/$optarg.mak 792 if test -f "$cf"; then 793 device_archs="$device_archs $device_arch" 794 eval "devices_${device_arch}=\$optarg" 795 else 796 error_exit "File $cf does not exist" 797 fi 798 ;; 799 --without-default-features) # processed above 800 ;; 801 --enable-gcov) gcov="yes" 802 ;; 803 --static) 804 static="yes" 805 QEMU_PKG_CONFIG_FLAGS="--static $QEMU_PKG_CONFIG_FLAGS" 806 ;; 807 --mandir=*) mandir="$optarg" 808 ;; 809 --bindir=*) bindir="$optarg" 810 ;; 811 --libdir=*) libdir="$optarg" 812 ;; 813 --libexecdir=*) libexecdir="$optarg" 814 ;; 815 --includedir=*) includedir="$optarg" 816 ;; 817 --datadir=*) datadir="$optarg" 818 ;; 819 --with-suffix=*) qemu_suffix="$optarg" 820 ;; 821 --docdir=*) docdir="$optarg" 822 ;; 823 --localedir=*) localedir="$optarg" 824 ;; 825 --sysconfdir=*) sysconfdir="$optarg" 826 ;; 827 --localstatedir=*) local_statedir="$optarg" 828 ;; 829 --firmwarepath=*) firmwarepath="$optarg" 830 ;; 831 --host=*|--build=*|\ 832 --disable-dependency-tracking|\ 833 --sbindir=*|--sharedstatedir=*|\ 834 --oldincludedir=*|--datarootdir=*|--infodir=*|\ 835 --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*) 836 # These switches are silently ignored, for compatibility with 837 # autoconf-generated configure scripts. This allows QEMU's 838 # configure to be used by RPM and similar macros that set 839 # lots of directory switches by default. 840 ;; 841 --audio-drv-list=*) audio_drv_list="$optarg" 842 ;; 843 --block-drv-rw-whitelist=*|--block-drv-whitelist=*) block_drv_rw_whitelist=$(echo "$optarg" | sed -e 's/,/ /g') 844 ;; 845 --block-drv-ro-whitelist=*) block_drv_ro_whitelist=$(echo "$optarg" | sed -e 's/,/ /g') 846 ;; 847 --enable-debug-tcg) debug_tcg="yes" 848 ;; 849 --disable-debug-tcg) debug_tcg="no" 850 ;; 851 --enable-debug) 852 # Enable debugging options that aren't excessively noisy 853 debug_tcg="yes" 854 meson_option_parse --enable-debug-mutex "" 855 debug="yes" 856 fortify_source="no" 857 ;; 858 --enable-sanitizers) sanitizers="yes" 859 ;; 860 --disable-sanitizers) sanitizers="no" 861 ;; 862 --enable-tsan) tsan="yes" 863 ;; 864 --disable-tsan) tsan="no" 865 ;; 866 --disable-slirp) slirp="disabled" 867 ;; 868 --enable-slirp) slirp="enabled" 869 ;; 870 --enable-slirp=git) slirp="internal" 871 ;; 872 --enable-slirp=*) slirp="$optarg" 873 ;; 874 --disable-xen) xen="disabled" 875 ;; 876 --enable-xen) xen="enabled" 877 ;; 878 --disable-tcg) tcg="disabled" 879 plugins="no" 880 ;; 881 --enable-tcg) tcg="enabled" 882 ;; 883 --disable-system) softmmu="no" 884 ;; 885 --enable-system) softmmu="yes" 886 ;; 887 --disable-user) 888 linux_user="no" ; 889 bsd_user="no" ; 890 ;; 891 --enable-user) ;; 892 --disable-linux-user) linux_user="no" 893 ;; 894 --enable-linux-user) linux_user="yes" 895 ;; 896 --disable-bsd-user) bsd_user="no" 897 ;; 898 --enable-bsd-user) bsd_user="yes" 899 ;; 900 --enable-pie) pie="yes" 901 ;; 902 --disable-pie) pie="no" 903 ;; 904 --enable-werror) werror="yes" 905 ;; 906 --disable-werror) werror="no" 907 ;; 908 --enable-lto) lto="true" 909 ;; 910 --disable-lto) lto="false" 911 ;; 912 --enable-stack-protector) stack_protector="yes" 913 ;; 914 --disable-stack-protector) stack_protector="no" 915 ;; 916 --enable-safe-stack) safe_stack="yes" 917 ;; 918 --disable-safe-stack) safe_stack="no" 919 ;; 920 --enable-cfi) 921 cfi="true"; 922 lto="true"; 923 ;; 924 --disable-cfi) cfi="false" 925 ;; 926 --disable-fdt) fdt="disabled" 927 ;; 928 --enable-fdt) fdt="enabled" 929 ;; 930 --enable-fdt=git) fdt="internal" 931 ;; 932 --enable-fdt=*) fdt="$optarg" 933 ;; 934 --with-pkgversion=*) pkgversion="$optarg" 935 ;; 936 --with-coroutine=*) coroutine="$optarg" 937 ;; 938 --disable-vhost-net) vhost_net="no" 939 ;; 940 --enable-vhost-net) vhost_net="yes" 941 ;; 942 --disable-vhost-crypto) vhost_crypto="no" 943 ;; 944 --enable-vhost-crypto) vhost_crypto="yes" 945 ;; 946 --disable-vhost-scsi) vhost_scsi="no" 947 ;; 948 --enable-vhost-scsi) vhost_scsi="yes" 949 ;; 950 --disable-vhost-vsock) vhost_vsock="no" 951 ;; 952 --enable-vhost-vsock) vhost_vsock="yes" 953 ;; 954 --disable-vhost-user-fs) vhost_user_fs="no" 955 ;; 956 --enable-vhost-user-fs) vhost_user_fs="yes" 957 ;; 958 --disable-opengl) opengl="no" 959 ;; 960 --enable-opengl) opengl="yes" 961 ;; 962 --disable-zlib-test) 963 ;; 964 --disable-virtio-blk-data-plane|--enable-virtio-blk-data-plane) 965 echo "$0: $opt is obsolete, virtio-blk data-plane is always on" >&2 966 ;; 967 --enable-vhdx|--disable-vhdx) 968 echo "$0: $opt is obsolete, VHDX driver is always built" >&2 969 ;; 970 --enable-uuid|--disable-uuid) 971 echo "$0: $opt is obsolete, UUID support is always built" >&2 972 ;; 973 --tls-priority=*) tls_priority="$optarg" 974 ;; 975 --enable-rdma) rdma="yes" 976 ;; 977 --disable-rdma) rdma="no" 978 ;; 979 --enable-pvrdma) pvrdma="yes" 980 ;; 981 --disable-pvrdma) pvrdma="no" 982 ;; 983 --disable-vhost-user) vhost_user="no" 984 ;; 985 --enable-vhost-user) vhost_user="yes" 986 ;; 987 --disable-vhost-vdpa) vhost_vdpa="no" 988 ;; 989 --enable-vhost-vdpa) vhost_vdpa="yes" 990 ;; 991 --disable-vhost-kernel) vhost_kernel="no" 992 ;; 993 --enable-vhost-kernel) vhost_kernel="yes" 994 ;; 995 --disable-capstone) capstone="disabled" 996 ;; 997 --enable-capstone) capstone="enabled" 998 ;; 999 --enable-capstone=git) capstone="internal" 1000 ;; 1001 --enable-capstone=*) capstone="$optarg" 1002 ;; 1003 --with-git=*) git="$optarg" 1004 ;; 1005 --with-git-submodules=*) 1006 git_submodules_action="$optarg" 1007 ;; 1008 --enable-plugins) if test "$mingw32" = "yes"; then 1009 error_exit "TCG plugins not currently supported on Windows platforms" 1010 else 1011 plugins="yes" 1012 fi 1013 ;; 1014 --disable-plugins) plugins="no" 1015 ;; 1016 --enable-containers) use_containers="yes" 1017 ;; 1018 --disable-containers) use_containers="no" 1019 ;; 1020 --gdb=*) gdb_bin="$optarg" 1021 ;; 1022 --enable-keyring) secret_keyring="yes" 1023 ;; 1024 --disable-keyring) secret_keyring="no" 1025 ;; 1026 --enable-gio) gio=yes 1027 ;; 1028 --disable-gio) gio=no 1029 ;; 1030 # backwards compatibility options 1031 --enable-trace-backend=*) meson_option_parse "--enable-trace-backends=$optarg" "$optarg" 1032 ;; 1033 --disable-blobs) meson_option_parse --disable-install-blobs "" 1034 ;; 1035 --enable-tcmalloc) meson_option_parse --enable-malloc=tcmalloc tcmalloc 1036 ;; 1037 --enable-jemalloc) meson_option_parse --enable-malloc=jemalloc jemalloc 1038 ;; 1039 # everything else has the same name in configure and meson 1040 --enable-* | --disable-*) meson_option_parse "$opt" "$optarg" 1041 ;; 1042 *) 1043 echo "ERROR: unknown option $opt" 1044 echo "Try '$0 --help' for more information" 1045 exit 1 1046 ;; 1047 esac 1048done 1049 1050# test for any invalid configuration combinations 1051if test "$plugins" = "yes" -a "$tcg" = "disabled"; then 1052 error_exit "Can't enable plugins on non-TCG builds" 1053fi 1054 1055case $git_submodules_action in 1056 update|validate) 1057 if test ! -e "$source_path/.git"; then 1058 echo "ERROR: cannot $git_submodules_action git submodules without .git" 1059 exit 1 1060 fi 1061 ;; 1062 ignore) 1063 if ! test -f "$source_path/ui/keycodemapdb/README" 1064 then 1065 echo 1066 echo "ERROR: missing GIT submodules" 1067 echo 1068 if test -e "$source_path/.git"; then 1069 echo "--with-git-submodules=ignore specified but submodules were not" 1070 echo "checked out. Please initialize and update submodules." 1071 else 1072 echo "This is not a GIT checkout but module content appears to" 1073 echo "be missing. Do not use 'git archive' or GitHub download links" 1074 echo "to acquire QEMU source archives. Non-GIT builds are only" 1075 echo "supported with source archives linked from:" 1076 echo 1077 echo " https://www.qemu.org/download/#source" 1078 echo 1079 echo "Developers working with GIT can use scripts/archive-source.sh" 1080 echo "if they need to create valid source archives." 1081 fi 1082 echo 1083 exit 1 1084 fi 1085 ;; 1086 *) 1087 echo "ERROR: invalid --with-git-submodules= value '$git_submodules_action'" 1088 exit 1 1089 ;; 1090esac 1091 1092libdir="${libdir:-$prefix/lib}" 1093libexecdir="${libexecdir:-$prefix/libexec}" 1094includedir="${includedir:-$prefix/include}" 1095 1096if test "$mingw32" = "yes" ; then 1097 bindir="${bindir:-$prefix}" 1098else 1099 bindir="${bindir:-$prefix/bin}" 1100fi 1101mandir="${mandir:-$prefix/share/man}" 1102datadir="${datadir:-$prefix/share}" 1103docdir="${docdir:-$prefix/share/doc}" 1104sysconfdir="${sysconfdir:-$prefix/etc}" 1105local_statedir="${local_statedir:-$prefix/var}" 1106firmwarepath="${firmwarepath:-$datadir/qemu-firmware}" 1107localedir="${localedir:-$datadir/locale}" 1108 1109if eval test -z "\${cross_cc_$cpu}"; then 1110 eval "cross_cc_${cpu}=\$cc" 1111 cross_cc_vars="$cross_cc_vars cross_cc_${cpu}" 1112fi 1113 1114default_target_list="" 1115mak_wilds="" 1116 1117if [ "$linux_user" != no ]; then 1118 if [ "$targetos" = linux ] && [ -d $source_path/linux-user/include/host/$cpu ]; then 1119 linux_user=yes 1120 elif [ "$linux_user" = yes ]; then 1121 error_exit "linux-user not supported on this architecture" 1122 fi 1123fi 1124if [ "$bsd_user" != no ]; then 1125 if [ "$bsd_user" = "" ]; then 1126 test $targetos = freebsd && bsd_user=yes 1127 fi 1128 if [ "$bsd_user" = yes ] && ! [ -d $source_path/bsd-user/$targetos ]; then 1129 error_exit "bsd-user not supported on this host OS" 1130 fi 1131fi 1132if [ "$softmmu" = "yes" ]; then 1133 mak_wilds="${mak_wilds} $source_path/configs/targets/*-softmmu.mak" 1134fi 1135if [ "$linux_user" = "yes" ]; then 1136 mak_wilds="${mak_wilds} $source_path/configs/targets/*-linux-user.mak" 1137fi 1138if [ "$bsd_user" = "yes" ]; then 1139 mak_wilds="${mak_wilds} $source_path/configs/targets/*-bsd-user.mak" 1140fi 1141 1142for config in $mak_wilds; do 1143 target="$(basename "$config" .mak)" 1144 if echo "$target_list_exclude" | grep -vq "$target"; then 1145 default_target_list="${default_target_list} $target" 1146 fi 1147done 1148 1149if test x"$show_help" = x"yes" ; then 1150cat << EOF 1151 1152Usage: configure [options] 1153Options: [defaults in brackets after descriptions] 1154 1155Standard options: 1156 --help print this message 1157 --prefix=PREFIX install in PREFIX [$prefix] 1158 --interp-prefix=PREFIX where to find shared libraries, etc. 1159 use %M for cpu name [$interp_prefix] 1160 --target-list=LIST set target list (default: build all) 1161$(echo Available targets: $default_target_list | \ 1162 fold -s -w 53 | sed -e 's/^/ /') 1163 --target-list-exclude=LIST exclude a set of targets from the default target-list 1164 1165Advanced options (experts only): 1166 --cross-prefix=PREFIX use PREFIX for compile tools, PREFIX can be blank [$cross_prefix] 1167 --cc=CC use C compiler CC [$cc] 1168 --iasl=IASL use ACPI compiler IASL [$iasl] 1169 --host-cc=CC use C compiler CC [$host_cc] for code run at 1170 build time 1171 --cxx=CXX use C++ compiler CXX [$cxx] 1172 --objcc=OBJCC use Objective-C compiler OBJCC [$objcc] 1173 --extra-cflags=CFLAGS append extra C compiler flags CFLAGS 1174 --extra-cxxflags=CXXFLAGS append extra C++ compiler flags CXXFLAGS 1175 --extra-ldflags=LDFLAGS append extra linker flags LDFLAGS 1176 --cross-cc-ARCH=CC use compiler when building ARCH guest test cases 1177 --cross-cc-cflags-ARCH= use compiler flags when building ARCH guest tests 1178 --make=MAKE use specified make [$make] 1179 --python=PYTHON use specified python [$python] 1180 --sphinx-build=SPHINX use specified sphinx-build [$sphinx_build] 1181 --meson=MESON use specified meson [$meson] 1182 --ninja=NINJA use specified ninja [$ninja] 1183 --smbd=SMBD use specified smbd [$smbd] 1184 --with-git=GIT use specified git [$git] 1185 --with-git-submodules=update update git submodules (default if .git dir exists) 1186 --with-git-submodules=validate fail if git submodules are not up to date 1187 --with-git-submodules=ignore do not update or check git submodules (default if no .git dir) 1188 --static enable static build [$static] 1189 --mandir=PATH install man pages in PATH 1190 --datadir=PATH install firmware in PATH/$qemu_suffix 1191 --localedir=PATH install translation in PATH/$qemu_suffix 1192 --docdir=PATH install documentation in PATH/$qemu_suffix 1193 --bindir=PATH install binaries in PATH 1194 --libdir=PATH install libraries in PATH 1195 --libexecdir=PATH install helper binaries in PATH 1196 --sysconfdir=PATH install config in PATH/$qemu_suffix 1197 --localstatedir=PATH install local state in PATH (set at runtime on win32) 1198 --firmwarepath=PATH search PATH for firmware files 1199 --efi-aarch64=PATH PATH of efi file to use for aarch64 VMs. 1200 --with-suffix=SUFFIX suffix for QEMU data inside datadir/libdir/sysconfdir/docdir [$qemu_suffix] 1201 --with-pkgversion=VERS use specified string as sub-version of the package 1202 --without-default-features default all --enable-* options to "disabled" 1203 --without-default-devices do not include any device that is not needed to 1204 start the emulator (only use if you are including 1205 desired devices in configs/devices/) 1206 --with-devices-ARCH=NAME override default configs/devices 1207 --enable-debug enable common debug build options 1208 --enable-sanitizers enable default sanitizers 1209 --enable-tsan enable thread sanitizer 1210 --disable-werror disable compilation abort on warning 1211 --disable-stack-protector disable compiler-provided stack protection 1212 --audio-drv-list=LIST set audio drivers to try if -audiodev is not used 1213 --block-drv-whitelist=L Same as --block-drv-rw-whitelist=L 1214 --block-drv-rw-whitelist=L 1215 set block driver read-write whitelist 1216 (by default affects only QEMU, not tools like qemu-img) 1217 --block-drv-ro-whitelist=L 1218 set block driver read-only whitelist 1219 (by default affects only QEMU, not tools like qemu-img) 1220 --with-trace-file=NAME Full PATH,NAME of file to store traces 1221 Default:trace-<pid> 1222 --cpu=CPU Build for host CPU [$cpu] 1223 --with-coroutine=BACKEND coroutine backend. Supported options: 1224 ucontext, sigaltstack, windows 1225 --enable-gcov enable test coverage analysis with gcov 1226 --tls-priority default TLS protocol/cipher priority string 1227 --enable-plugins 1228 enable plugins via shared library loading 1229 --disable-containers don't use containers for cross-building 1230 --gdb=GDB-path gdb to use for gdbstub tests [$gdb_bin] 1231EOF 1232 meson_options_help 1233cat << EOF 1234 system all system emulation targets 1235 user supported user emulation targets 1236 linux-user all linux usermode emulation targets 1237 bsd-user all BSD usermode emulation targets 1238 pie Position Independent Executables 1239 modules modules support (non-Windows) 1240 module-upgrades try to load modules from alternate paths for upgrades 1241 debug-tcg TCG debugging (default is disabled) 1242 debug-info debugging information 1243 lto Enable Link-Time Optimization. 1244 safe-stack SafeStack Stack Smash Protection. Depends on 1245 clang/llvm >= 3.7 and requires coroutine backend ucontext. 1246 rdma Enable RDMA-based migration 1247 pvrdma Enable PVRDMA support 1248 vhost-net vhost-net kernel acceleration support 1249 vhost-vsock virtio sockets device support 1250 vhost-scsi vhost-scsi kernel target support 1251 vhost-crypto vhost-user-crypto backend support 1252 vhost-kernel vhost kernel backend support 1253 vhost-user vhost-user backend support 1254 vhost-vdpa vhost-vdpa kernel backend support 1255 opengl opengl support 1256 gio libgio support 1257 1258NOTE: The object files are built at the place where configure is launched 1259EOF 1260exit 0 1261fi 1262 1263# Remove old dependency files to make sure that they get properly regenerated 1264rm -f */config-devices.mak.d 1265 1266if test -z "$python" 1267then 1268 error_exit "Python not found. Use --python=/path/to/python" 1269fi 1270if ! has "$make" 1271then 1272 error_exit "GNU make ($make) not found" 1273fi 1274 1275# Note that if the Python conditional here evaluates True we will exit 1276# with status 1 which is a shell 'false' value. 1277if ! $python -c 'import sys; sys.exit(sys.version_info < (3,6))'; then 1278 error_exit "Cannot use '$python', Python >= 3.6 is required." \ 1279 "Use --python=/path/to/python to specify a supported Python." 1280fi 1281 1282# Preserve python version since some functionality is dependent on it 1283python_version=$($python -c 'import sys; print("%d.%d.%d" % (sys.version_info[0], sys.version_info[1], sys.version_info[2]))' 2>/dev/null) 1284 1285# Suppress writing compiled files 1286python="$python -B" 1287 1288if test -z "$meson"; then 1289 if test "$explicit_python" = no && has meson && version_ge "$(meson --version)" 0.59.3; then 1290 meson=meson 1291 elif test $git_submodules_action != 'ignore' ; then 1292 meson=git 1293 elif test -e "${source_path}/meson/meson.py" ; then 1294 meson=internal 1295 else 1296 if test "$explicit_python" = yes; then 1297 error_exit "--python requires using QEMU's embedded Meson distribution, but it was not found." 1298 else 1299 error_exit "Meson not found. Use --meson=/path/to/meson" 1300 fi 1301 fi 1302else 1303 # Meson uses its own Python interpreter to invoke other Python scripts, 1304 # but the user wants to use the one they specified with --python. 1305 # 1306 # We do not want to override the distro Python interpreter (and sometimes 1307 # cannot: for example in Homebrew /usr/bin/meson is a bash script), so 1308 # just require --meson=git|internal together with --python. 1309 if test "$explicit_python" = yes; then 1310 case "$meson" in 1311 git | internal) ;; 1312 *) error_exit "--python requires using QEMU's embedded Meson distribution." ;; 1313 esac 1314 fi 1315fi 1316 1317if test "$meson" = git; then 1318 git_submodules="${git_submodules} meson" 1319fi 1320 1321case "$meson" in 1322 git | internal) 1323 meson="$python ${source_path}/meson/meson.py" 1324 ;; 1325 *) meson=$(command -v "$meson") ;; 1326esac 1327 1328# Probe for ninja 1329 1330if test -z "$ninja"; then 1331 for c in ninja ninja-build samu; do 1332 if has $c; then 1333 ninja=$(command -v "$c") 1334 break 1335 fi 1336 done 1337 if test -z "$ninja"; then 1338 error_exit "Cannot find Ninja" 1339 fi 1340fi 1341 1342# Check that the C compiler works. Doing this here before testing 1343# the host CPU ensures that we had a valid CC to autodetect the 1344# $cpu var (and we should bail right here if that's not the case). 1345# It also allows the help message to be printed without a CC. 1346write_c_skeleton; 1347if compile_object ; then 1348 : C compiler works ok 1349else 1350 error_exit "\"$cc\" either does not exist or does not work" 1351fi 1352if ! compile_prog ; then 1353 error_exit "\"$cc\" cannot build an executable (is your linker broken?)" 1354fi 1355 1356# Consult white-list to determine whether to enable werror 1357# by default. Only enable by default for git builds 1358if test -z "$werror" ; then 1359 if test "$git_submodules_action" != "ignore" && \ 1360 { test "$linux" = "yes" || test "$mingw32" = "yes"; }; then 1361 werror="yes" 1362 else 1363 werror="no" 1364 fi 1365fi 1366 1367if test "$targetos" = "bogus"; then 1368 # Now that we know that we're not printing the help and that 1369 # the compiler works (so the results of the check_defines we used 1370 # to identify the OS are reliable), if we didn't recognize the 1371 # host OS we should stop now. 1372 error_exit "Unrecognized host OS (uname -s reports '$(uname -s)')" 1373fi 1374 1375# Check whether the compiler matches our minimum requirements: 1376cat > $TMPC << EOF 1377#if defined(__clang_major__) && defined(__clang_minor__) 1378# ifdef __apple_build_version__ 1379# if __clang_major__ < 10 || (__clang_major__ == 10 && __clang_minor__ < 0) 1380# error You need at least XCode Clang v10.0 to compile QEMU 1381# endif 1382# else 1383# if __clang_major__ < 6 || (__clang_major__ == 6 && __clang_minor__ < 0) 1384# error You need at least Clang v6.0 to compile QEMU 1385# endif 1386# endif 1387#elif defined(__GNUC__) && defined(__GNUC_MINOR__) 1388# if __GNUC__ < 7 || (__GNUC__ == 7 && __GNUC_MINOR__ < 4) 1389# error You need at least GCC v7.4.0 to compile QEMU 1390# endif 1391#else 1392# error You either need GCC or Clang to compiler QEMU 1393#endif 1394int main (void) { return 0; } 1395EOF 1396if ! compile_prog "" "" ; then 1397 error_exit "You need at least GCC v7.4 or Clang v6.0 (or XCode Clang v10.0)" 1398fi 1399 1400# Accumulate -Wfoo and -Wno-bar separately. 1401# We will list all of the enable flags first, and the disable flags second. 1402# Note that we do not add -Werror, because that would enable it for all 1403# configure tests. If a configure test failed due to -Werror this would 1404# just silently disable some features, so it's too error prone. 1405 1406warn_flags= 1407add_to warn_flags -Wold-style-declaration 1408add_to warn_flags -Wold-style-definition 1409add_to warn_flags -Wtype-limits 1410add_to warn_flags -Wformat-security 1411add_to warn_flags -Wformat-y2k 1412add_to warn_flags -Winit-self 1413add_to warn_flags -Wignored-qualifiers 1414add_to warn_flags -Wempty-body 1415add_to warn_flags -Wnested-externs 1416add_to warn_flags -Wendif-labels 1417add_to warn_flags -Wexpansion-to-defined 1418add_to warn_flags -Wimplicit-fallthrough=2 1419 1420nowarn_flags= 1421add_to nowarn_flags -Wno-initializer-overrides 1422add_to nowarn_flags -Wno-missing-include-dirs 1423add_to nowarn_flags -Wno-shift-negative-value 1424add_to nowarn_flags -Wno-string-plus-int 1425add_to nowarn_flags -Wno-typedef-redefinition 1426add_to nowarn_flags -Wno-tautological-type-limit-compare 1427add_to nowarn_flags -Wno-psabi 1428 1429gcc_flags="$warn_flags $nowarn_flags" 1430 1431cc_has_warning_flag() { 1432 write_c_skeleton; 1433 1434 # Use the positive sense of the flag when testing for -Wno-wombat 1435 # support (gcc will happily accept the -Wno- form of unknown 1436 # warning options). 1437 optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')" 1438 compile_prog "-Werror $optflag" "" 1439} 1440 1441for flag in $gcc_flags; do 1442 if cc_has_warning_flag $flag ; then 1443 QEMU_CFLAGS="$QEMU_CFLAGS $flag" 1444 fi 1445done 1446 1447if test "$stack_protector" != "no"; then 1448 cat > $TMPC << EOF 1449int main(int argc, char *argv[]) 1450{ 1451 char arr[64], *p = arr, *c = argv[0]; 1452 while (*c) { 1453 *p++ = *c++; 1454 } 1455 return 0; 1456} 1457EOF 1458 gcc_flags="-fstack-protector-strong -fstack-protector-all" 1459 sp_on=0 1460 for flag in $gcc_flags; do 1461 # We need to check both a compile and a link, since some compiler 1462 # setups fail only on a .c->.o compile and some only at link time 1463 if compile_object "-Werror $flag" && 1464 compile_prog "-Werror $flag" ""; then 1465 QEMU_CFLAGS="$QEMU_CFLAGS $flag" 1466 QEMU_LDFLAGS="$QEMU_LDFLAGS $flag" 1467 sp_on=1 1468 break 1469 fi 1470 done 1471 if test "$stack_protector" = yes; then 1472 if test $sp_on = 0; then 1473 error_exit "Stack protector not supported" 1474 fi 1475 fi 1476fi 1477 1478# Disable -Wmissing-braces on older compilers that warn even for 1479# the "universal" C zero initializer {0}. 1480cat > $TMPC << EOF 1481struct { 1482 int a[2]; 1483} x = {0}; 1484EOF 1485if compile_object "-Werror" "" ; then 1486 : 1487else 1488 QEMU_CFLAGS="$QEMU_CFLAGS -Wno-missing-braces" 1489fi 1490 1491# Our module code doesn't support Windows 1492if test "$modules" = "yes" && test "$mingw32" = "yes" ; then 1493 error_exit "Modules are not available for Windows" 1494fi 1495 1496# module_upgrades is only reasonable if modules are enabled 1497if test "$modules" = "no" && test "$module_upgrades" = "yes" ; then 1498 error_exit "Can't enable module-upgrades as Modules are not enabled" 1499fi 1500 1501# Static linking is not possible with plugins, modules or PIE 1502if test "$static" = "yes" ; then 1503 if test "$modules" = "yes" ; then 1504 error_exit "static and modules are mutually incompatible" 1505 fi 1506 if test "$plugins" = "yes"; then 1507 error_exit "static and plugins are mutually incompatible" 1508 else 1509 plugins="no" 1510 fi 1511fi 1512test "$plugins" = "" && plugins=yes 1513 1514cat > $TMPC << EOF 1515 1516#ifdef __linux__ 1517# define THREAD __thread 1518#else 1519# define THREAD 1520#endif 1521static THREAD int tls_var; 1522int main(void) { return tls_var; } 1523EOF 1524 1525# Check we support -fno-pie and -no-pie first; we will need the former for 1526# building ROMs, and both for everything if --disable-pie is passed. 1527if compile_prog "-Werror -fno-pie" "-no-pie"; then 1528 CFLAGS_NOPIE="-fno-pie" 1529 LDFLAGS_NOPIE="-no-pie" 1530fi 1531 1532if test "$static" = "yes"; then 1533 if test "$pie" != "no" && compile_prog "-Werror -fPIE -DPIE" "-static-pie"; then 1534 CONFIGURE_CFLAGS="-fPIE -DPIE $CONFIGURE_CFLAGS" 1535 QEMU_LDFLAGS="-static-pie $QEMU_LDFLAGS" 1536 pie="yes" 1537 elif test "$pie" = "yes"; then 1538 error_exit "-static-pie not available due to missing toolchain support" 1539 else 1540 QEMU_LDFLAGS="-static $QEMU_LDFLAGS" 1541 pie="no" 1542 fi 1543elif test "$pie" = "no"; then 1544 CONFIGURE_CFLAGS="$CFLAGS_NOPIE $CONFIGURE_CFLAGS" 1545 CONFIGURE_LDFLAGS="$LDFLAGS_NOPIE $CONFIGURE_LDFLAGS" 1546elif compile_prog "-Werror -fPIE -DPIE" "-pie"; then 1547 CONFIGURE_CFLAGS="-fPIE -DPIE $CONFIGURE_CFLAGS" 1548 CONFIGURE_LDFLAGS="-pie $CONFIGURE_LDFLAGS" 1549 pie="yes" 1550elif test "$pie" = "yes"; then 1551 error_exit "PIE not available due to missing toolchain support" 1552else 1553 echo "Disabling PIE due to missing toolchain support" 1554 pie="no" 1555fi 1556 1557# Detect support for PT_GNU_RELRO + DT_BIND_NOW. 1558# The combination is known as "full relro", because .got.plt is read-only too. 1559if compile_prog "" "-Wl,-z,relro -Wl,-z,now" ; then 1560 QEMU_LDFLAGS="-Wl,-z,relro -Wl,-z,now $QEMU_LDFLAGS" 1561fi 1562 1563########################################## 1564# __sync_fetch_and_and requires at least -march=i486. Many toolchains 1565# use i686 as default anyway, but for those that don't, an explicit 1566# specification is necessary 1567 1568if test "$cpu" = "i386"; then 1569 cat > $TMPC << EOF 1570static int sfaa(int *ptr) 1571{ 1572 return __sync_fetch_and_and(ptr, 0); 1573} 1574 1575int main(void) 1576{ 1577 int val = 42; 1578 val = __sync_val_compare_and_swap(&val, 0, 1); 1579 sfaa(&val); 1580 return val; 1581} 1582EOF 1583 if ! compile_prog "" "" ; then 1584 QEMU_CFLAGS="-march=i486 $QEMU_CFLAGS" 1585 fi 1586fi 1587 1588if test "$tcg" = "enabled"; then 1589 git_submodules="$git_submodules tests/fp/berkeley-testfloat-3" 1590 git_submodules="$git_submodules tests/fp/berkeley-softfloat-3" 1591fi 1592 1593if test -z "${target_list+xxx}" ; then 1594 default_targets=yes 1595 for target in $default_target_list; do 1596 target_list="$target_list $target" 1597 done 1598 target_list="${target_list# }" 1599else 1600 default_targets=no 1601 target_list=$(echo "$target_list" | sed -e 's/,/ /g') 1602 for target in $target_list; do 1603 # Check that we recognised the target name; this allows a more 1604 # friendly error message than if we let it fall through. 1605 case " $default_target_list " in 1606 *" $target "*) 1607 ;; 1608 *) 1609 error_exit "Unknown target name '$target'" 1610 ;; 1611 esac 1612 done 1613fi 1614 1615# see if system emulation was really requested 1616case " $target_list " in 1617 *"-softmmu "*) softmmu=yes 1618 ;; 1619 *) softmmu=no 1620 ;; 1621esac 1622 1623feature_not_found() { 1624 feature=$1 1625 remedy=$2 1626 1627 error_exit "User requested feature $feature" \ 1628 "configure was not able to find it." \ 1629 "$remedy" 1630} 1631 1632# --- 1633# big/little endian test 1634cat > $TMPC << EOF 1635#include <stdio.h> 1636short big_endian[] = { 0x4269, 0x4765, 0x4e64, 0x4961, 0x4e00, 0, }; 1637short little_endian[] = { 0x694c, 0x7454, 0x654c, 0x6e45, 0x6944, 0x6e41, 0, }; 1638int main(int argc, char *argv[]) 1639{ 1640 return printf("%s %s\n", (char *)big_endian, (char *)little_endian); 1641} 1642EOF 1643 1644if compile_prog ; then 1645 if strings -a $TMPE | grep -q BiGeNdIaN ; then 1646 bigendian="yes" 1647 elif strings -a $TMPE | grep -q LiTtLeEnDiAn ; then 1648 bigendian="no" 1649 else 1650 echo big/little test failed 1651 exit 1 1652 fi 1653else 1654 echo big/little test failed 1655 exit 1 1656fi 1657 1658######################################### 1659# vhost interdependencies and host support 1660 1661# vhost backends 1662if test "$vhost_user" = "yes" && test "$linux" != "yes"; then 1663 error_exit "vhost-user is only available on Linux" 1664fi 1665test "$vhost_vdpa" = "" && vhost_vdpa=$linux 1666if test "$vhost_vdpa" = "yes" && test "$linux" != "yes"; then 1667 error_exit "vhost-vdpa is only available on Linux" 1668fi 1669test "$vhost_kernel" = "" && vhost_kernel=$linux 1670if test "$vhost_kernel" = "yes" && test "$linux" != "yes"; then 1671 error_exit "vhost-kernel is only available on Linux" 1672fi 1673 1674# vhost-kernel devices 1675test "$vhost_scsi" = "" && vhost_scsi=$vhost_kernel 1676if test "$vhost_scsi" = "yes" && test "$vhost_kernel" != "yes"; then 1677 error_exit "--enable-vhost-scsi requires --enable-vhost-kernel" 1678fi 1679test "$vhost_vsock" = "" && vhost_vsock=$vhost_kernel 1680if test "$vhost_vsock" = "yes" && test "$vhost_kernel" != "yes"; then 1681 error_exit "--enable-vhost-vsock requires --enable-vhost-kernel" 1682fi 1683 1684# vhost-user backends 1685test "$vhost_net_user" = "" && vhost_net_user=$vhost_user 1686if test "$vhost_net_user" = "yes" && test "$vhost_user" = "no"; then 1687 error_exit "--enable-vhost-net-user requires --enable-vhost-user" 1688fi 1689test "$vhost_crypto" = "" && vhost_crypto=$vhost_user 1690if test "$vhost_crypto" = "yes" && test "$vhost_user" = "no"; then 1691 error_exit "--enable-vhost-crypto requires --enable-vhost-user" 1692fi 1693test "$vhost_user_fs" = "" && vhost_user_fs=$vhost_user 1694if test "$vhost_user_fs" = "yes" && test "$vhost_user" = "no"; then 1695 error_exit "--enable-vhost-user-fs requires --enable-vhost-user" 1696fi 1697#vhost-vdpa backends 1698test "$vhost_net_vdpa" = "" && vhost_net_vdpa=$vhost_vdpa 1699if test "$vhost_net_vdpa" = "yes" && test "$vhost_vdpa" = "no"; then 1700 error_exit "--enable-vhost-net-vdpa requires --enable-vhost-vdpa" 1701fi 1702 1703# OR the vhost-kernel, vhost-vdpa and vhost-user values for simplicity 1704if test "$vhost_net" = ""; then 1705 test "$vhost_net_user" = "yes" && vhost_net=yes 1706 test "$vhost_net_vdpa" = "yes" && vhost_net=yes 1707 test "$vhost_kernel" = "yes" && vhost_net=yes 1708fi 1709 1710########################################## 1711# pkg-config probe 1712 1713if ! has "$pkg_config_exe"; then 1714 error_exit "pkg-config binary '$pkg_config_exe' not found" 1715fi 1716 1717########################################## 1718# xen probe 1719 1720if test "$xen" != "disabled" ; then 1721 # Check whether Xen library path is specified via --extra-ldflags to avoid 1722 # overriding this setting with pkg-config output. If not, try pkg-config 1723 # to obtain all needed flags. 1724 1725 if ! echo $EXTRA_LDFLAGS | grep tools/libxc > /dev/null && \ 1726 $pkg_config --exists xencontrol ; then 1727 xen_ctrl_version="$(printf '%d%02d%02d' \ 1728 $($pkg_config --modversion xencontrol | sed 's/\./ /g') )" 1729 xen=enabled 1730 xen_pc="xencontrol xenstore xenforeignmemory xengnttab" 1731 xen_pc="$xen_pc xenevtchn xendevicemodel" 1732 if $pkg_config --exists xentoolcore; then 1733 xen_pc="$xen_pc xentoolcore" 1734 fi 1735 xen_cflags="$($pkg_config --cflags $xen_pc)" 1736 xen_libs="$($pkg_config --libs $xen_pc)" 1737 else 1738 1739 xen_libs="-lxenstore -lxenctrl" 1740 xen_stable_libs="-lxenforeignmemory -lxengnttab -lxenevtchn" 1741 1742 # First we test whether Xen headers and libraries are available. 1743 # If no, we are done and there is no Xen support. 1744 # If yes, more tests are run to detect the Xen version. 1745 1746 # Xen (any) 1747 cat > $TMPC <<EOF 1748#include <xenctrl.h> 1749int main(void) { 1750 return 0; 1751} 1752EOF 1753 if ! compile_prog "" "$xen_libs" ; then 1754 # Xen not found 1755 if test "$xen" = "enabled" ; then 1756 feature_not_found "xen" "Install xen devel" 1757 fi 1758 xen=disabled 1759 1760 # Xen unstable 1761 elif 1762 cat > $TMPC <<EOF && 1763#undef XC_WANT_COMPAT_DEVICEMODEL_API 1764#define __XEN_TOOLS__ 1765#include <xendevicemodel.h> 1766#include <xenforeignmemory.h> 1767int main(void) { 1768 xendevicemodel_handle *xd; 1769 xenforeignmemory_handle *xfmem; 1770 1771 xd = xendevicemodel_open(0, 0); 1772 xendevicemodel_pin_memory_cacheattr(xd, 0, 0, 0, 0); 1773 1774 xfmem = xenforeignmemory_open(0, 0); 1775 xenforeignmemory_map_resource(xfmem, 0, 0, 0, 0, 0, NULL, 0, 0); 1776 1777 return 0; 1778} 1779EOF 1780 compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs -lxentoolcore" 1781 then 1782 xen_stable_libs="-lxendevicemodel $xen_stable_libs -lxentoolcore" 1783 xen_ctrl_version=41100 1784 xen=enabled 1785 elif 1786 cat > $TMPC <<EOF && 1787#undef XC_WANT_COMPAT_MAP_FOREIGN_API 1788#include <xenforeignmemory.h> 1789#include <xentoolcore.h> 1790int main(void) { 1791 xenforeignmemory_handle *xfmem; 1792 1793 xfmem = xenforeignmemory_open(0, 0); 1794 xenforeignmemory_map2(xfmem, 0, 0, 0, 0, 0, 0, 0); 1795 xentoolcore_restrict_all(0); 1796 1797 return 0; 1798} 1799EOF 1800 compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs -lxentoolcore" 1801 then 1802 xen_stable_libs="-lxendevicemodel $xen_stable_libs -lxentoolcore" 1803 xen_ctrl_version=41000 1804 xen=enabled 1805 elif 1806 cat > $TMPC <<EOF && 1807#undef XC_WANT_COMPAT_DEVICEMODEL_API 1808#define __XEN_TOOLS__ 1809#include <xendevicemodel.h> 1810int main(void) { 1811 xendevicemodel_handle *xd; 1812 1813 xd = xendevicemodel_open(0, 0); 1814 xendevicemodel_close(xd); 1815 1816 return 0; 1817} 1818EOF 1819 compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs" 1820 then 1821 xen_stable_libs="-lxendevicemodel $xen_stable_libs" 1822 xen_ctrl_version=40900 1823 xen=enabled 1824 elif 1825 cat > $TMPC <<EOF && 1826/* 1827 * If we have stable libs the we don't want the libxc compat 1828 * layers, regardless of what CFLAGS we may have been given. 1829 * 1830 * Also, check if xengnttab_grant_copy_segment_t is defined and 1831 * grant copy operation is implemented. 1832 */ 1833#undef XC_WANT_COMPAT_EVTCHN_API 1834#undef XC_WANT_COMPAT_GNTTAB_API 1835#undef XC_WANT_COMPAT_MAP_FOREIGN_API 1836#include <xenctrl.h> 1837#include <xenstore.h> 1838#include <xenevtchn.h> 1839#include <xengnttab.h> 1840#include <xenforeignmemory.h> 1841#include <stdint.h> 1842#include <xen/hvm/hvm_info_table.h> 1843#if !defined(HVM_MAX_VCPUS) 1844# error HVM_MAX_VCPUS not defined 1845#endif 1846int main(void) { 1847 xc_interface *xc = NULL; 1848 xenforeignmemory_handle *xfmem; 1849 xenevtchn_handle *xe; 1850 xengnttab_handle *xg; 1851 xengnttab_grant_copy_segment_t* seg = NULL; 1852 1853 xs_daemon_open(); 1854 1855 xc = xc_interface_open(0, 0, 0); 1856 xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0); 1857 xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0); 1858 xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000); 1859 xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL); 1860 1861 xfmem = xenforeignmemory_open(0, 0); 1862 xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0); 1863 1864 xe = xenevtchn_open(0, 0); 1865 xenevtchn_fd(xe); 1866 1867 xg = xengnttab_open(0, 0); 1868 xengnttab_grant_copy(xg, 0, seg); 1869 1870 return 0; 1871} 1872EOF 1873 compile_prog "" "$xen_libs $xen_stable_libs" 1874 then 1875 xen_ctrl_version=40800 1876 xen=enabled 1877 elif 1878 cat > $TMPC <<EOF && 1879/* 1880 * If we have stable libs the we don't want the libxc compat 1881 * layers, regardless of what CFLAGS we may have been given. 1882 */ 1883#undef XC_WANT_COMPAT_EVTCHN_API 1884#undef XC_WANT_COMPAT_GNTTAB_API 1885#undef XC_WANT_COMPAT_MAP_FOREIGN_API 1886#include <xenctrl.h> 1887#include <xenstore.h> 1888#include <xenevtchn.h> 1889#include <xengnttab.h> 1890#include <xenforeignmemory.h> 1891#include <stdint.h> 1892#include <xen/hvm/hvm_info_table.h> 1893#if !defined(HVM_MAX_VCPUS) 1894# error HVM_MAX_VCPUS not defined 1895#endif 1896int main(void) { 1897 xc_interface *xc = NULL; 1898 xenforeignmemory_handle *xfmem; 1899 xenevtchn_handle *xe; 1900 xengnttab_handle *xg; 1901 1902 xs_daemon_open(); 1903 1904 xc = xc_interface_open(0, 0, 0); 1905 xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0); 1906 xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0); 1907 xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000); 1908 xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL); 1909 1910 xfmem = xenforeignmemory_open(0, 0); 1911 xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0); 1912 1913 xe = xenevtchn_open(0, 0); 1914 xenevtchn_fd(xe); 1915 1916 xg = xengnttab_open(0, 0); 1917 xengnttab_map_grant_ref(xg, 0, 0, 0); 1918 1919 return 0; 1920} 1921EOF 1922 compile_prog "" "$xen_libs $xen_stable_libs" 1923 then 1924 xen_ctrl_version=40701 1925 xen=enabled 1926 1927 # Xen 4.6 1928 elif 1929 cat > $TMPC <<EOF && 1930#include <xenctrl.h> 1931#include <xenstore.h> 1932#include <stdint.h> 1933#include <xen/hvm/hvm_info_table.h> 1934#if !defined(HVM_MAX_VCPUS) 1935# error HVM_MAX_VCPUS not defined 1936#endif 1937int main(void) { 1938 xc_interface *xc; 1939 xs_daemon_open(); 1940 xc = xc_interface_open(0, 0, 0); 1941 xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0); 1942 xc_gnttab_open(NULL, 0); 1943 xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0); 1944 xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000); 1945 xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL); 1946 xc_reserved_device_memory_map(xc, 0, 0, 0, 0, NULL, 0); 1947 return 0; 1948} 1949EOF 1950 compile_prog "" "$xen_libs" 1951 then 1952 xen_ctrl_version=40600 1953 xen=enabled 1954 1955 # Xen 4.5 1956 elif 1957 cat > $TMPC <<EOF && 1958#include <xenctrl.h> 1959#include <xenstore.h> 1960#include <stdint.h> 1961#include <xen/hvm/hvm_info_table.h> 1962#if !defined(HVM_MAX_VCPUS) 1963# error HVM_MAX_VCPUS not defined 1964#endif 1965int main(void) { 1966 xc_interface *xc; 1967 xs_daemon_open(); 1968 xc = xc_interface_open(0, 0, 0); 1969 xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0); 1970 xc_gnttab_open(NULL, 0); 1971 xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0); 1972 xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000); 1973 xc_hvm_create_ioreq_server(xc, 0, 0, NULL); 1974 return 0; 1975} 1976EOF 1977 compile_prog "" "$xen_libs" 1978 then 1979 xen_ctrl_version=40500 1980 xen=enabled 1981 1982 elif 1983 cat > $TMPC <<EOF && 1984#include <xenctrl.h> 1985#include <xenstore.h> 1986#include <stdint.h> 1987#include <xen/hvm/hvm_info_table.h> 1988#if !defined(HVM_MAX_VCPUS) 1989# error HVM_MAX_VCPUS not defined 1990#endif 1991int main(void) { 1992 xc_interface *xc; 1993 xs_daemon_open(); 1994 xc = xc_interface_open(0, 0, 0); 1995 xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0); 1996 xc_gnttab_open(NULL, 0); 1997 xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0); 1998 xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000); 1999 return 0; 2000} 2001EOF 2002 compile_prog "" "$xen_libs" 2003 then 2004 xen_ctrl_version=40200 2005 xen=enabled 2006 2007 else 2008 if test "$xen" = "enabled" ; then 2009 feature_not_found "xen (unsupported version)" \ 2010 "Install a supported xen (xen 4.2 or newer)" 2011 fi 2012 xen=disabled 2013 fi 2014 2015 if test "$xen" = enabled; then 2016 if test $xen_ctrl_version -ge 40701 ; then 2017 xen_libs="$xen_libs $xen_stable_libs " 2018 fi 2019 fi 2020 fi 2021fi 2022 2023########################################## 2024# RDMA needs OpenFabrics libraries 2025if test "$rdma" != "no" ; then 2026 cat > $TMPC <<EOF 2027#include <rdma/rdma_cma.h> 2028int main(void) { return 0; } 2029EOF 2030 rdma_libs="-lrdmacm -libverbs -libumad" 2031 if compile_prog "" "$rdma_libs" ; then 2032 rdma="yes" 2033 else 2034 if test "$rdma" = "yes" ; then 2035 error_exit \ 2036 " OpenFabrics librdmacm/libibverbs/libibumad not present." \ 2037 " Your options:" \ 2038 " (1) Fast: Install infiniband packages (devel) from your distro." \ 2039 " (2) Cleanest: Install libraries from www.openfabrics.org" \ 2040 " (3) Also: Install softiwarp if you don't have RDMA hardware" 2041 fi 2042 rdma="no" 2043 fi 2044fi 2045 2046########################################## 2047# PVRDMA detection 2048 2049cat > $TMPC <<EOF && 2050#include <sys/mman.h> 2051 2052int 2053main(void) 2054{ 2055 char buf = 0; 2056 void *addr = &buf; 2057 addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED); 2058 2059 return 0; 2060} 2061EOF 2062 2063if test "$rdma" = "yes" ; then 2064 case "$pvrdma" in 2065 "") 2066 if compile_prog "" ""; then 2067 pvrdma="yes" 2068 else 2069 pvrdma="no" 2070 fi 2071 ;; 2072 "yes") 2073 if ! compile_prog "" ""; then 2074 error_exit "PVRDMA is not supported since mremap is not implemented" 2075 fi 2076 pvrdma="yes" 2077 ;; 2078 "no") 2079 pvrdma="no" 2080 ;; 2081 esac 2082else 2083 if test "$pvrdma" = "yes" ; then 2084 error_exit "PVRDMA requires rdma suppport" 2085 fi 2086 pvrdma="no" 2087fi 2088 2089# Let's see if enhanced reg_mr is supported 2090if test "$pvrdma" = "yes" ; then 2091 2092cat > $TMPC <<EOF && 2093#include <infiniband/verbs.h> 2094 2095int 2096main(void) 2097{ 2098 struct ibv_mr *mr; 2099 struct ibv_pd *pd = NULL; 2100 size_t length = 10; 2101 uint64_t iova = 0; 2102 int access = 0; 2103 void *addr = NULL; 2104 2105 mr = ibv_reg_mr_iova(pd, addr, length, iova, access); 2106 2107 ibv_dereg_mr(mr); 2108 2109 return 0; 2110} 2111EOF 2112 if ! compile_prog "" "-libverbs"; then 2113 QEMU_CFLAGS="$QEMU_CFLAGS -DLEGACY_RDMA_REG_MR" 2114 fi 2115fi 2116 2117########################################## 2118# glib support probe 2119 2120glib_req_ver=2.56 2121glib_modules=gthread-2.0 2122if test "$modules" = yes; then 2123 glib_modules="$glib_modules gmodule-export-2.0" 2124elif test "$plugins" = "yes"; then 2125 glib_modules="$glib_modules gmodule-no-export-2.0" 2126fi 2127 2128for i in $glib_modules; do 2129 if $pkg_config --atleast-version=$glib_req_ver $i; then 2130 glib_cflags=$($pkg_config --cflags $i) 2131 glib_libs=$($pkg_config --libs $i) 2132 else 2133 error_exit "glib-$glib_req_ver $i is required to compile QEMU" 2134 fi 2135done 2136 2137# This workaround is required due to a bug in pkg-config file for glib as it 2138# doesn't define GLIB_STATIC_COMPILATION for pkg-config --static 2139 2140if test "$static" = yes && test "$mingw32" = yes; then 2141 glib_cflags="-DGLIB_STATIC_COMPILATION $glib_cflags" 2142fi 2143 2144if ! test "$gio" = "no"; then 2145 pass=no 2146 if $pkg_config --atleast-version=$glib_req_ver gio-2.0; then 2147 gio_cflags=$($pkg_config --cflags gio-2.0) 2148 gio_libs=$($pkg_config --libs gio-2.0) 2149 gdbus_codegen=$($pkg_config --variable=gdbus_codegen gio-2.0) 2150 if ! has "$gdbus_codegen"; then 2151 gdbus_codegen= 2152 fi 2153 # Check that the libraries actually work -- Ubuntu 18.04 ships 2154 # with pkg-config --static --libs data for gio-2.0 that is missing 2155 # -lblkid and will give a link error. 2156 cat > $TMPC <<EOF 2157#include <gio/gio.h> 2158int main(void) 2159{ 2160 g_dbus_proxy_new_sync(0, 0, 0, 0, 0, 0, 0, 0); 2161 return 0; 2162} 2163EOF 2164 if compile_prog "$gio_cflags" "$gio_libs" ; then 2165 pass=yes 2166 else 2167 pass=no 2168 fi 2169 2170 if test "$pass" = "yes" && 2171 $pkg_config --atleast-version=$glib_req_ver gio-unix-2.0; then 2172 gio_cflags="$gio_cflags $($pkg_config --cflags gio-unix-2.0)" 2173 gio_libs="$gio_libs $($pkg_config --libs gio-unix-2.0)" 2174 fi 2175 fi 2176 2177 if test "$pass" = "no"; then 2178 if test "$gio" = "yes"; then 2179 feature_not_found "gio" "Install libgio >= 2.0" 2180 else 2181 gio=no 2182 fi 2183 else 2184 gio=yes 2185 fi 2186fi 2187 2188# Sanity check that the current size_t matches the 2189# size that glib thinks it should be. This catches 2190# problems on multi-arch where people try to build 2191# 32-bit QEMU while pointing at 64-bit glib headers 2192cat > $TMPC <<EOF 2193#include <glib.h> 2194#include <unistd.h> 2195 2196#define QEMU_BUILD_BUG_ON(x) \ 2197 typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused)); 2198 2199int main(void) { 2200 QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T); 2201 return 0; 2202} 2203EOF 2204 2205if ! compile_prog "$glib_cflags" "$glib_libs" ; then 2206 error_exit "sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T."\ 2207 "You probably need to set PKG_CONFIG_LIBDIR"\ 2208 "to point to the right pkg-config files for your"\ 2209 "build target" 2210fi 2211 2212# Silence clang warnings triggered by glib < 2.57.2 2213cat > $TMPC << EOF 2214#include <glib.h> 2215typedef struct Foo { 2216 int i; 2217} Foo; 2218static void foo_free(Foo *f) 2219{ 2220 g_free(f); 2221} 2222G_DEFINE_AUTOPTR_CLEANUP_FUNC(Foo, foo_free); 2223int main(void) { return 0; } 2224EOF 2225if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then 2226 if cc_has_warning_flag "-Wno-unused-function"; then 2227 glib_cflags="$glib_cflags -Wno-unused-function" 2228 CONFIGURE_CFLAGS="$CONFIGURE_CFLAGS -Wno-unused-function" 2229 fi 2230fi 2231 2232########################################## 2233# SHA command probe for modules 2234if test "$modules" = yes; then 2235 shacmd_probe="sha1sum sha1 shasum" 2236 for c in $shacmd_probe; do 2237 if has $c; then 2238 shacmd="$c" 2239 break 2240 fi 2241 done 2242 if test "$shacmd" = ""; then 2243 error_exit "one of the checksum commands is required to enable modules: $shacmd_probe" 2244 fi 2245fi 2246 2247########################################## 2248# fdt probe 2249 2250case "$fdt" in 2251 auto | enabled | internal) 2252 # Simpler to always update submodule, even if not needed. 2253 git_submodules="${git_submodules} dtc" 2254 ;; 2255esac 2256 2257########################################## 2258# opengl probe (for sdl2, gtk) 2259 2260if test "$opengl" != "no" ; then 2261 epoxy=no 2262 if $pkg_config epoxy; then 2263 cat > $TMPC << EOF 2264#include <epoxy/egl.h> 2265int main(void) { return 0; } 2266EOF 2267 if compile_prog "" "" ; then 2268 epoxy=yes 2269 fi 2270 fi 2271 2272 if test "$epoxy" = "yes" ; then 2273 opengl_cflags="$($pkg_config --cflags epoxy)" 2274 opengl_libs="$($pkg_config --libs epoxy)" 2275 opengl=yes 2276 else 2277 if test "$opengl" = "yes" ; then 2278 feature_not_found "opengl" "Please install epoxy with EGL" 2279 fi 2280 opengl_cflags="" 2281 opengl_libs="" 2282 opengl=no 2283 fi 2284fi 2285 2286# check for usbfs 2287have_usbfs=no 2288if test "$linux_user" = "yes"; then 2289 cat > $TMPC << EOF 2290#include <linux/usbdevice_fs.h> 2291 2292#ifndef USBDEVFS_GET_CAPABILITIES 2293#error "USBDEVFS_GET_CAPABILITIES undefined" 2294#endif 2295 2296#ifndef USBDEVFS_DISCONNECT_CLAIM 2297#error "USBDEVFS_DISCONNECT_CLAIM undefined" 2298#endif 2299 2300int main(void) 2301{ 2302 return 0; 2303} 2304EOF 2305 if compile_prog "" ""; then 2306 have_usbfs=yes 2307 fi 2308fi 2309 2310########################################## 2311# capstone 2312 2313case "$capstone" in 2314 auto | enabled | internal) 2315 # Simpler to always update submodule, even if not needed. 2316 git_submodules="${git_submodules} capstone" 2317 ;; 2318esac 2319 2320########################################## 2321# check and set a backend for coroutine 2322 2323# We prefer ucontext, but it's not always possible. The fallback 2324# is sigcontext. On Windows the only valid backend is the Windows 2325# specific one. 2326 2327ucontext_works=no 2328if test "$darwin" != "yes"; then 2329 cat > $TMPC << EOF 2330#include <ucontext.h> 2331#ifdef __stub_makecontext 2332#error Ignoring glibc stub makecontext which will always fail 2333#endif 2334int main(void) { makecontext(0, 0, 0); return 0; } 2335EOF 2336 if compile_prog "" "" ; then 2337 ucontext_works=yes 2338 fi 2339fi 2340 2341if test "$coroutine" = ""; then 2342 if test "$mingw32" = "yes"; then 2343 coroutine=win32 2344 elif test "$ucontext_works" = "yes"; then 2345 coroutine=ucontext 2346 else 2347 coroutine=sigaltstack 2348 fi 2349else 2350 case $coroutine in 2351 windows) 2352 if test "$mingw32" != "yes"; then 2353 error_exit "'windows' coroutine backend only valid for Windows" 2354 fi 2355 # Unfortunately the user visible backend name doesn't match the 2356 # coroutine-*.c filename for this case, so we have to adjust it here. 2357 coroutine=win32 2358 ;; 2359 ucontext) 2360 if test "$ucontext_works" != "yes"; then 2361 feature_not_found "ucontext" 2362 fi 2363 ;; 2364 sigaltstack) 2365 if test "$mingw32" = "yes"; then 2366 error_exit "only the 'windows' coroutine backend is valid for Windows" 2367 fi 2368 ;; 2369 *) 2370 error_exit "unknown coroutine backend $coroutine" 2371 ;; 2372 esac 2373fi 2374 2375################################################## 2376# SafeStack 2377 2378 2379if test "$safe_stack" = "yes"; then 2380cat > $TMPC << EOF 2381int main(int argc, char *argv[]) 2382{ 2383#if ! __has_feature(safe_stack) 2384#error SafeStack Disabled 2385#endif 2386 return 0; 2387} 2388EOF 2389 flag="-fsanitize=safe-stack" 2390 # Check that safe-stack is supported and enabled. 2391 if compile_prog "-Werror $flag" "$flag"; then 2392 # Flag needed both at compilation and at linking 2393 QEMU_CFLAGS="$QEMU_CFLAGS $flag" 2394 QEMU_LDFLAGS="$QEMU_LDFLAGS $flag" 2395 else 2396 error_exit "SafeStack not supported by your compiler" 2397 fi 2398 if test "$coroutine" != "ucontext"; then 2399 error_exit "SafeStack is only supported by the coroutine backend ucontext" 2400 fi 2401else 2402cat > $TMPC << EOF 2403int main(int argc, char *argv[]) 2404{ 2405#if defined(__has_feature) 2406#if __has_feature(safe_stack) 2407#error SafeStack Enabled 2408#endif 2409#endif 2410 return 0; 2411} 2412EOF 2413if test "$safe_stack" = "no"; then 2414 # Make sure that safe-stack is disabled 2415 if ! compile_prog "-Werror" ""; then 2416 # SafeStack was already enabled, try to explicitly remove the feature 2417 flag="-fno-sanitize=safe-stack" 2418 if ! compile_prog "-Werror $flag" "$flag"; then 2419 error_exit "Configure cannot disable SafeStack" 2420 fi 2421 QEMU_CFLAGS="$QEMU_CFLAGS $flag" 2422 QEMU_LDFLAGS="$QEMU_LDFLAGS $flag" 2423 fi 2424else # "$safe_stack" = "" 2425 # Set safe_stack to yes or no based on pre-existing flags 2426 if compile_prog "-Werror" ""; then 2427 safe_stack="no" 2428 else 2429 safe_stack="yes" 2430 if test "$coroutine" != "ucontext"; then 2431 error_exit "SafeStack is only supported by the coroutine backend ucontext" 2432 fi 2433 fi 2434fi 2435fi 2436 2437######################################## 2438# check if __[u]int128_t is usable. 2439 2440int128=no 2441cat > $TMPC << EOF 2442__int128_t a; 2443__uint128_t b; 2444int main (void) { 2445 a = a + b; 2446 b = a * b; 2447 a = a * a; 2448 return 0; 2449} 2450EOF 2451if compile_prog "" "" ; then 2452 int128=yes 2453fi 2454 2455######################################### 2456# See if 128-bit atomic operations are supported. 2457 2458atomic128=no 2459if test "$int128" = "yes"; then 2460 cat > $TMPC << EOF 2461int main(void) 2462{ 2463 unsigned __int128 x = 0, y = 0; 2464 y = __atomic_load(&x, 0); 2465 __atomic_store(&x, y, 0); 2466 __atomic_compare_exchange(&x, &y, x, 0, 0, 0); 2467 return 0; 2468} 2469EOF 2470 if compile_prog "" "" ; then 2471 atomic128=yes 2472 fi 2473fi 2474 2475cmpxchg128=no 2476if test "$int128" = yes && test "$atomic128" = no; then 2477 cat > $TMPC << EOF 2478int main(void) 2479{ 2480 unsigned __int128 x = 0, y = 0; 2481 __sync_val_compare_and_swap_16(&x, y, x); 2482 return 0; 2483} 2484EOF 2485 if compile_prog "" "" ; then 2486 cmpxchg128=yes 2487 fi 2488fi 2489 2490######################################## 2491# check if ccache is interfering with 2492# semantic analysis of macros 2493 2494unset CCACHE_CPP2 2495ccache_cpp2=no 2496cat > $TMPC << EOF 2497static const int Z = 1; 2498#define fn() ({ Z; }) 2499#define TAUT(X) ((X) == Z) 2500#define PAREN(X, Y) (X == Y) 2501#define ID(X) (X) 2502int main(int argc, char *argv[]) 2503{ 2504 int x = 0, y = 0; 2505 x = ID(x); 2506 x = fn(); 2507 fn(); 2508 if (PAREN(x, y)) return 0; 2509 if (TAUT(Z)) return 0; 2510 return 0; 2511} 2512EOF 2513 2514if ! compile_object "-Werror"; then 2515 ccache_cpp2=yes 2516fi 2517 2518################################################# 2519# clang does not support glibc + FORTIFY_SOURCE. 2520 2521if test "$fortify_source" != "no"; then 2522 if echo | $cc -dM -E - | grep __clang__ > /dev/null 2>&1 ; then 2523 fortify_source="no"; 2524 elif test -n "$cxx" && has $cxx && 2525 echo | $cxx -dM -E - | grep __clang__ >/dev/null 2>&1 ; then 2526 fortify_source="no"; 2527 else 2528 fortify_source="yes" 2529 fi 2530fi 2531 2532########################################## 2533# checks for sanitizers 2534 2535have_asan=no 2536have_ubsan=no 2537have_asan_iface_h=no 2538have_asan_iface_fiber=no 2539 2540if test "$sanitizers" = "yes" ; then 2541 write_c_skeleton 2542 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" ""; then 2543 have_asan=yes 2544 fi 2545 2546 # we could use a simple skeleton for flags checks, but this also 2547 # detect the static linking issue of ubsan, see also: 2548 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84285 2549 cat > $TMPC << EOF 2550#include <stdlib.h> 2551int main(void) { 2552 void *tmp = malloc(10); 2553 if (tmp != NULL) { 2554 return *(int *)(tmp + 2); 2555 } 2556 return 1; 2557} 2558EOF 2559 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=undefined" ""; then 2560 have_ubsan=yes 2561 fi 2562 2563 if check_include "sanitizer/asan_interface.h" ; then 2564 have_asan_iface_h=yes 2565 fi 2566 2567 cat > $TMPC << EOF 2568#include <sanitizer/asan_interface.h> 2569int main(void) { 2570 __sanitizer_start_switch_fiber(0, 0, 0); 2571 return 0; 2572} 2573EOF 2574 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" "" ; then 2575 have_asan_iface_fiber=yes 2576 fi 2577fi 2578 2579# Thread sanitizer is, for now, much noisier than the other sanitizers; 2580# keep it separate until that is not the case. 2581if test "$tsan" = "yes" && test "$sanitizers" = "yes"; then 2582 error_exit "TSAN is not supported with other sanitiziers." 2583fi 2584have_tsan=no 2585have_tsan_iface_fiber=no 2586if test "$tsan" = "yes" ; then 2587 write_c_skeleton 2588 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then 2589 have_tsan=yes 2590 fi 2591 cat > $TMPC << EOF 2592#include <sanitizer/tsan_interface.h> 2593int main(void) { 2594 __tsan_create_fiber(0); 2595 return 0; 2596} 2597EOF 2598 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then 2599 have_tsan_iface_fiber=yes 2600 fi 2601fi 2602 2603########################################## 2604# check for slirp 2605 2606case "$slirp" in 2607 auto | enabled | internal) 2608 # Simpler to always update submodule, even if not needed. 2609 git_submodules="${git_submodules} slirp" 2610 ;; 2611esac 2612 2613########################################## 2614# check for usable __NR_keyctl syscall 2615 2616if test "$linux" = "yes" ; then 2617 2618 have_keyring=no 2619 cat > $TMPC << EOF 2620#include <errno.h> 2621#include <asm/unistd.h> 2622#include <linux/keyctl.h> 2623#include <unistd.h> 2624int main(void) { 2625 return syscall(__NR_keyctl, KEYCTL_READ, 0, NULL, NULL, 0); 2626} 2627EOF 2628 if compile_prog "" "" ; then 2629 have_keyring=yes 2630 fi 2631fi 2632if test "$secret_keyring" != "no" 2633then 2634 if test "$have_keyring" = "yes" 2635 then 2636 secret_keyring=yes 2637 else 2638 if test "$secret_keyring" = "yes" 2639 then 2640 error_exit "syscall __NR_keyctl requested, \ 2641but not implemented on your system" 2642 else 2643 secret_keyring=no 2644 fi 2645 fi 2646fi 2647 2648########################################## 2649# End of CC checks 2650# After here, no more $cc or $ld runs 2651 2652write_c_skeleton 2653 2654if test "$gcov" = "yes" ; then 2655 : 2656elif test "$fortify_source" = "yes" ; then 2657 QEMU_CFLAGS="-U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $QEMU_CFLAGS" 2658 debug=no 2659fi 2660 2661case "$ARCH" in 2662alpha) 2663 # Ensure there's only a single GP 2664 QEMU_CFLAGS="-msmall-data $QEMU_CFLAGS" 2665;; 2666esac 2667 2668if test "$have_asan" = "yes"; then 2669 QEMU_CFLAGS="-fsanitize=address $QEMU_CFLAGS" 2670 QEMU_LDFLAGS="-fsanitize=address $QEMU_LDFLAGS" 2671 if test "$have_asan_iface_h" = "no" ; then 2672 echo "ASAN build enabled, but ASAN header missing." \ 2673 "Without code annotation, the report may be inferior." 2674 elif test "$have_asan_iface_fiber" = "no" ; then 2675 echo "ASAN build enabled, but ASAN header is too old." \ 2676 "Without code annotation, the report may be inferior." 2677 fi 2678fi 2679if test "$have_tsan" = "yes" ; then 2680 if test "$have_tsan_iface_fiber" = "yes" ; then 2681 QEMU_CFLAGS="-fsanitize=thread $QEMU_CFLAGS" 2682 QEMU_LDFLAGS="-fsanitize=thread $QEMU_LDFLAGS" 2683 else 2684 error_exit "Cannot enable TSAN due to missing fiber annotation interface." 2685 fi 2686elif test "$tsan" = "yes" ; then 2687 error_exit "Cannot enable TSAN due to missing sanitize thread interface." 2688fi 2689if test "$have_ubsan" = "yes"; then 2690 QEMU_CFLAGS="-fsanitize=undefined $QEMU_CFLAGS" 2691 QEMU_LDFLAGS="-fsanitize=undefined $QEMU_LDFLAGS" 2692fi 2693 2694########################################## 2695 2696# Exclude --warn-common with TSan to suppress warnings from the TSan libraries. 2697if test "$solaris" = "no" && test "$tsan" = "no"; then 2698 if $ld --version 2>/dev/null | grep "GNU ld" >/dev/null 2>/dev/null ; then 2699 QEMU_LDFLAGS="-Wl,--warn-common $QEMU_LDFLAGS" 2700 fi 2701fi 2702 2703# Use ASLR, no-SEH and DEP if available 2704if test "$mingw32" = "yes" ; then 2705 flags="--no-seh --nxcompat" 2706 2707 # Disable ASLR for debug builds to allow debugging with gdb 2708 if test "$debug" = "no" ; then 2709 flags="--dynamicbase $flags" 2710 fi 2711 2712 for flag in $flags; do 2713 if ld_has $flag ; then 2714 QEMU_LDFLAGS="-Wl,$flag $QEMU_LDFLAGS" 2715 fi 2716 done 2717fi 2718 2719# Guest agent Windows MSI package 2720 2721if test "$QEMU_GA_MANUFACTURER" = ""; then 2722 QEMU_GA_MANUFACTURER=QEMU 2723fi 2724if test "$QEMU_GA_DISTRO" = ""; then 2725 QEMU_GA_DISTRO=Linux 2726fi 2727if test "$QEMU_GA_VERSION" = ""; then 2728 QEMU_GA_VERSION=$(cat $source_path/VERSION) 2729fi 2730 2731QEMU_GA_MSI_MINGW_DLL_PATH="$($pkg_config --variable=prefix glib-2.0)/bin" 2732 2733# Mac OS X ships with a broken assembler 2734roms= 2735if { test "$cpu" = "i386" || test "$cpu" = "x86_64"; } && \ 2736 test "$targetos" != "darwin" && test "$targetos" != "sunos" && \ 2737 test "$targetos" != "haiku" && test "$softmmu" = yes ; then 2738 # Different host OS linkers have different ideas about the name of the ELF 2739 # emulation. Linux and OpenBSD/amd64 use 'elf_i386'; FreeBSD uses the _fbsd 2740 # variant; OpenBSD/i386 uses the _obsd variant; and Windows uses i386pe. 2741 for emu in elf_i386 elf_i386_fbsd elf_i386_obsd i386pe; do 2742 if "$ld" -verbose 2>&1 | grep -q "^[[:space:]]*$emu[[:space:]]*$"; then 2743 ld_i386_emulation="$emu" 2744 roms="optionrom" 2745 break 2746 fi 2747 done 2748fi 2749 2750# Only build s390-ccw bios if we're on s390x and the compiler has -march=z900 2751# or -march=z10 (which is the lowest architecture level that Clang supports) 2752if test "$cpu" = "s390x" ; then 2753 write_c_skeleton 2754 compile_prog "-march=z900" "" 2755 has_z900=$? 2756 if [ $has_z900 = 0 ] || compile_object "-march=z10 -msoft-float -Werror"; then 2757 if [ $has_z900 != 0 ]; then 2758 echo "WARNING: Your compiler does not support the z900!" 2759 echo " The s390-ccw bios will only work with guest CPUs >= z10." 2760 fi 2761 roms="$roms s390-ccw" 2762 # SLOF is required for building the s390-ccw firmware on s390x, 2763 # since it is using the libnet code from SLOF for network booting. 2764 git_submodules="${git_submodules} roms/SLOF" 2765 fi 2766fi 2767 2768# Check that the C++ compiler exists and works with the C compiler. 2769# All the QEMU_CXXFLAGS are based on QEMU_CFLAGS. Keep this at the end to don't miss any other that could be added. 2770if has $cxx; then 2771 cat > $TMPC <<EOF 2772int c_function(void); 2773int main(void) { return c_function(); } 2774EOF 2775 2776 compile_object 2777 2778 cat > $TMPCXX <<EOF 2779extern "C" { 2780 int c_function(void); 2781} 2782int c_function(void) { return 42; } 2783EOF 2784 2785 update_cxxflags 2786 2787 if do_cxx $CXXFLAGS $EXTRA_CXXFLAGS $CONFIGURE_CXXFLAGS $QEMU_CXXFLAGS -o $TMPE $TMPCXX $TMPO $QEMU_LDFLAGS; then 2788 # C++ compiler $cxx works ok with C compiler $cc 2789 : 2790 else 2791 echo "C++ compiler $cxx does not work with C compiler $cc" 2792 echo "Disabling C++ specific optional code" 2793 cxx= 2794 fi 2795else 2796 echo "No C++ compiler available; disabling C++ specific optional code" 2797 cxx= 2798fi 2799 2800if !(GIT="$git" "$source_path/scripts/git-submodule.sh" "$git_submodules_action" "$git_submodules"); then 2801 exit 1 2802fi 2803 2804config_host_mak="config-host.mak" 2805 2806echo "# Automatically generated by configure - do not modify" > $config_host_mak 2807echo >> $config_host_mak 2808 2809echo all: >> $config_host_mak 2810echo "GIT=$git" >> $config_host_mak 2811echo "GIT_SUBMODULES=$git_submodules" >> $config_host_mak 2812echo "GIT_SUBMODULES_ACTION=$git_submodules_action" >> $config_host_mak 2813 2814if test "$debug_tcg" = "yes" ; then 2815 echo "CONFIG_DEBUG_TCG=y" >> $config_host_mak 2816fi 2817if test "$mingw32" = "yes" ; then 2818 echo "CONFIG_WIN32=y" >> $config_host_mak 2819 echo "QEMU_GA_MSI_MINGW_DLL_PATH=${QEMU_GA_MSI_MINGW_DLL_PATH}" >> $config_host_mak 2820 echo "QEMU_GA_MANUFACTURER=${QEMU_GA_MANUFACTURER}" >> $config_host_mak 2821 echo "QEMU_GA_DISTRO=${QEMU_GA_DISTRO}" >> $config_host_mak 2822 echo "QEMU_GA_VERSION=${QEMU_GA_VERSION}" >> $config_host_mak 2823else 2824 echo "CONFIG_POSIX=y" >> $config_host_mak 2825fi 2826 2827if test "$linux" = "yes" ; then 2828 echo "CONFIG_LINUX=y" >> $config_host_mak 2829fi 2830 2831if test "$darwin" = "yes" ; then 2832 echo "CONFIG_DARWIN=y" >> $config_host_mak 2833fi 2834 2835if test "$solaris" = "yes" ; then 2836 echo "CONFIG_SOLARIS=y" >> $config_host_mak 2837fi 2838if test "$static" = "yes" ; then 2839 echo "CONFIG_STATIC=y" >> $config_host_mak 2840fi 2841echo "CONFIG_BDRV_RW_WHITELIST=$block_drv_rw_whitelist" >> $config_host_mak 2842echo "CONFIG_BDRV_RO_WHITELIST=$block_drv_ro_whitelist" >> $config_host_mak 2843qemu_version=$(head $source_path/VERSION) 2844echo "PKGVERSION=$pkgversion" >>$config_host_mak 2845echo "SRC_PATH=$source_path" >> $config_host_mak 2846echo "TARGET_DIRS=$target_list" >> $config_host_mak 2847if test "$modules" = "yes"; then 2848 # $shacmd can generate a hash started with digit, which the compiler doesn't 2849 # like as an symbol. So prefix it with an underscore 2850 echo "CONFIG_STAMP=_$( (echo $qemu_version; echo $pkgversion; cat $0) | $shacmd - | cut -f1 -d\ )" >> $config_host_mak 2851 echo "CONFIG_MODULES=y" >> $config_host_mak 2852fi 2853if test "$module_upgrades" = "yes"; then 2854 echo "CONFIG_MODULE_UPGRADES=y" >> $config_host_mak 2855fi 2856if test "$have_usbfs" = "yes" ; then 2857 echo "CONFIG_USBFS=y" >> $config_host_mak 2858fi 2859if test "$gio" = "yes" ; then 2860 echo "CONFIG_GIO=y" >> $config_host_mak 2861 echo "GIO_CFLAGS=$gio_cflags" >> $config_host_mak 2862 echo "GIO_LIBS=$gio_libs" >> $config_host_mak 2863fi 2864if test "$gdbus_codegen" != "" ; then 2865 echo "GDBUS_CODEGEN=$gdbus_codegen" >> $config_host_mak 2866fi 2867echo "CONFIG_TLS_PRIORITY=\"$tls_priority\"" >> $config_host_mak 2868 2869if test "$xen" = "enabled" ; then 2870 echo "CONFIG_XEN_BACKEND=y" >> $config_host_mak 2871 echo "CONFIG_XEN_CTRL_INTERFACE_VERSION=$xen_ctrl_version" >> $config_host_mak 2872 echo "XEN_CFLAGS=$xen_cflags" >> $config_host_mak 2873 echo "XEN_LIBS=$xen_libs" >> $config_host_mak 2874fi 2875if test "$vhost_scsi" = "yes" ; then 2876 echo "CONFIG_VHOST_SCSI=y" >> $config_host_mak 2877fi 2878if test "$vhost_net" = "yes" ; then 2879 echo "CONFIG_VHOST_NET=y" >> $config_host_mak 2880fi 2881if test "$vhost_net_user" = "yes" ; then 2882 echo "CONFIG_VHOST_NET_USER=y" >> $config_host_mak 2883fi 2884if test "$vhost_net_vdpa" = "yes" ; then 2885 echo "CONFIG_VHOST_NET_VDPA=y" >> $config_host_mak 2886fi 2887if test "$vhost_crypto" = "yes" ; then 2888 echo "CONFIG_VHOST_CRYPTO=y" >> $config_host_mak 2889fi 2890if test "$vhost_vsock" = "yes" ; then 2891 echo "CONFIG_VHOST_VSOCK=y" >> $config_host_mak 2892 if test "$vhost_user" = "yes" ; then 2893 echo "CONFIG_VHOST_USER_VSOCK=y" >> $config_host_mak 2894 fi 2895fi 2896if test "$vhost_kernel" = "yes" ; then 2897 echo "CONFIG_VHOST_KERNEL=y" >> $config_host_mak 2898fi 2899if test "$vhost_user" = "yes" ; then 2900 echo "CONFIG_VHOST_USER=y" >> $config_host_mak 2901fi 2902if test "$vhost_vdpa" = "yes" ; then 2903 echo "CONFIG_VHOST_VDPA=y" >> $config_host_mak 2904fi 2905if test "$vhost_user_fs" = "yes" ; then 2906 echo "CONFIG_VHOST_USER_FS=y" >> $config_host_mak 2907fi 2908if test "$tcg" = "enabled" -a "$tcg_interpreter" = "true" ; then 2909 echo "CONFIG_TCG_INTERPRETER=y" >> $config_host_mak 2910fi 2911 2912if test "$opengl" = "yes" ; then 2913 echo "CONFIG_OPENGL=y" >> $config_host_mak 2914 echo "OPENGL_CFLAGS=$opengl_cflags" >> $config_host_mak 2915 echo "OPENGL_LIBS=$opengl_libs" >> $config_host_mak 2916fi 2917 2918# XXX: suppress that 2919if [ "$bsd" = "yes" ] ; then 2920 echo "CONFIG_BSD=y" >> $config_host_mak 2921fi 2922 2923echo "CONFIG_COROUTINE_BACKEND=$coroutine" >> $config_host_mak 2924 2925if test "$have_asan_iface_fiber" = "yes" ; then 2926 echo "CONFIG_ASAN_IFACE_FIBER=y" >> $config_host_mak 2927fi 2928 2929if test "$have_tsan" = "yes" && test "$have_tsan_iface_fiber" = "yes" ; then 2930 echo "CONFIG_TSAN=y" >> $config_host_mak 2931fi 2932 2933if test "$int128" = "yes" ; then 2934 echo "CONFIG_INT128=y" >> $config_host_mak 2935fi 2936 2937if test "$atomic128" = "yes" ; then 2938 echo "CONFIG_ATOMIC128=y" >> $config_host_mak 2939fi 2940 2941if test "$cmpxchg128" = "yes" ; then 2942 echo "CONFIG_CMPXCHG128=y" >> $config_host_mak 2943fi 2944 2945if test "$rdma" = "yes" ; then 2946 echo "CONFIG_RDMA=y" >> $config_host_mak 2947 echo "RDMA_LIBS=$rdma_libs" >> $config_host_mak 2948fi 2949 2950if test "$pvrdma" = "yes" ; then 2951 echo "CONFIG_PVRDMA=y" >> $config_host_mak 2952fi 2953 2954if test "$plugins" = "yes" ; then 2955 echo "CONFIG_PLUGIN=y" >> $config_host_mak 2956fi 2957 2958if test -n "$gdb_bin"; then 2959 gdb_version=$($gdb_bin --version | head -n 1) 2960 if version_ge ${gdb_version##* } 9.1; then 2961 echo "HAVE_GDB_BIN=$gdb_bin" >> $config_host_mak 2962 fi 2963fi 2964 2965if test "$secret_keyring" = "yes" ; then 2966 echo "CONFIG_SECRET_KEYRING=y" >> $config_host_mak 2967fi 2968 2969echo "ROMS=$roms" >> $config_host_mak 2970echo "MAKE=$make" >> $config_host_mak 2971echo "PYTHON=$python" >> $config_host_mak 2972echo "GENISOIMAGE=$genisoimage" >> $config_host_mak 2973echo "MESON=$meson" >> $config_host_mak 2974echo "NINJA=$ninja" >> $config_host_mak 2975echo "CC=$cc" >> $config_host_mak 2976echo "HOST_CC=$host_cc" >> $config_host_mak 2977echo "AR=$ar" >> $config_host_mak 2978echo "AS=$as" >> $config_host_mak 2979echo "CCAS=$ccas" >> $config_host_mak 2980echo "CPP=$cpp" >> $config_host_mak 2981echo "OBJCOPY=$objcopy" >> $config_host_mak 2982echo "LD=$ld" >> $config_host_mak 2983echo "CFLAGS_NOPIE=$CFLAGS_NOPIE" >> $config_host_mak 2984echo "QEMU_CFLAGS=$QEMU_CFLAGS" >> $config_host_mak 2985echo "QEMU_CXXFLAGS=$QEMU_CXXFLAGS" >> $config_host_mak 2986echo "GLIB_CFLAGS=$glib_cflags" >> $config_host_mak 2987echo "GLIB_LIBS=$glib_libs" >> $config_host_mak 2988echo "GLIB_VERSION=$(pkg-config --modversion glib-2.0)" >> $config_host_mak 2989echo "QEMU_LDFLAGS=$QEMU_LDFLAGS" >> $config_host_mak 2990echo "LD_I386_EMULATION=$ld_i386_emulation" >> $config_host_mak 2991echo "STRIP=$strip" >> $config_host_mak 2992echo "EXESUF=$EXESUF" >> $config_host_mak 2993 2994# use included Linux headers 2995if test "$linux" = "yes" ; then 2996 mkdir -p linux-headers 2997 case "$cpu" in 2998 i386|x86_64) 2999 linux_arch=x86 3000 ;; 3001 ppc|ppc64) 3002 linux_arch=powerpc 3003 ;; 3004 s390x) 3005 linux_arch=s390 3006 ;; 3007 aarch64) 3008 linux_arch=arm64 3009 ;; 3010 loongarch*) 3011 linux_arch=loongarch 3012 ;; 3013 mips64) 3014 linux_arch=mips 3015 ;; 3016 *) 3017 # For most CPUs the kernel architecture name and QEMU CPU name match. 3018 linux_arch="$cpu" 3019 ;; 3020 esac 3021 # For non-KVM architectures we will not have asm headers 3022 if [ -e "$source_path/linux-headers/asm-$linux_arch" ]; then 3023 symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm 3024 fi 3025fi 3026 3027for target in $target_list; do 3028 target_dir="$target" 3029 target_name=$(echo $target | cut -d '-' -f 1)$EXESUF 3030 mkdir -p $target_dir 3031 case $target in 3032 *-user) symlink "../qemu-$target_name" "$target_dir/qemu-$target_name" ;; 3033 *) symlink "../qemu-system-$target_name" "$target_dir/qemu-system-$target_name" ;; 3034 esac 3035done 3036 3037echo "CONFIG_QEMU_INTERP_PREFIX=$interp_prefix" | sed 's/%M/@0@/' >> $config_host_mak 3038if test "$default_targets" = "yes"; then 3039 echo "CONFIG_DEFAULT_TARGETS=y" >> $config_host_mak 3040fi 3041 3042if test "$ccache_cpp2" = "yes"; then 3043 echo "export CCACHE_CPP2=y" >> $config_host_mak 3044fi 3045 3046if test "$safe_stack" = "yes"; then 3047 echo "CONFIG_SAFESTACK=y" >> $config_host_mak 3048fi 3049 3050# If we're using a separate build tree, set it up now. 3051# LINKS are things to symlink back into the source tree 3052# (these can be both files and directories). 3053# Caution: do not add files or directories here using wildcards. This 3054# will result in problems later if a new file matching the wildcard is 3055# added to the source tree -- nothing will cause configure to be rerun 3056# so the build tree will be missing the link back to the new file, and 3057# tests might fail. Prefer to keep the relevant files in their own 3058# directory and symlink the directory instead. 3059LINKS="Makefile" 3060LINKS="$LINKS tests/tcg/Makefile.target" 3061LINKS="$LINKS pc-bios/optionrom/Makefile" 3062LINKS="$LINKS pc-bios/s390-ccw/Makefile" 3063LINKS="$LINKS roms/seabios/Makefile" 3064LINKS="$LINKS pc-bios/qemu-icon.bmp" 3065LINKS="$LINKS .gdbinit scripts" # scripts needed by relative path in .gdbinit 3066LINKS="$LINKS tests/avocado tests/data" 3067LINKS="$LINKS tests/qemu-iotests/check" 3068LINKS="$LINKS python" 3069LINKS="$LINKS contrib/plugins/Makefile " 3070for bios_file in \ 3071 $source_path/pc-bios/*.bin \ 3072 $source_path/pc-bios/*.elf \ 3073 $source_path/pc-bios/*.lid \ 3074 $source_path/pc-bios/*.rom \ 3075 $source_path/pc-bios/*.dtb \ 3076 $source_path/pc-bios/*.img \ 3077 $source_path/pc-bios/openbios-* \ 3078 $source_path/pc-bios/u-boot.* \ 3079 $source_path/pc-bios/palcode-* \ 3080 $source_path/pc-bios/qemu_vga.ndrv 3081 3082do 3083 LINKS="$LINKS pc-bios/$(basename $bios_file)" 3084done 3085for f in $LINKS ; do 3086 if [ -e "$source_path/$f" ]; then 3087 mkdir -p `dirname ./$f` 3088 symlink "$source_path/$f" "$f" 3089 fi 3090done 3091 3092(for i in $cross_cc_vars; do 3093 export $i 3094done 3095export target_list source_path use_containers cpu 3096$source_path/tests/tcg/configure.sh) 3097 3098# temporary config to build submodules 3099if test -f $source_path/roms/seabios/Makefile; then 3100 for rom in seabios; do 3101 config_mak=roms/$rom/config.mak 3102 echo "# Automatically generated by configure - do not modify" > $config_mak 3103 echo "SRC_PATH=$source_path/roms/$rom" >> $config_mak 3104 echo "AS=$as" >> $config_mak 3105 echo "CCAS=$ccas" >> $config_mak 3106 echo "CC=$cc" >> $config_mak 3107 echo "BCC=bcc" >> $config_mak 3108 echo "CPP=$cpp" >> $config_mak 3109 echo "OBJCOPY=objcopy" >> $config_mak 3110 echo "IASL=$iasl" >> $config_mak 3111 echo "LD=$ld" >> $config_mak 3112 echo "RANLIB=$ranlib" >> $config_mak 3113 done 3114fi 3115 3116config_mak=pc-bios/optionrom/config.mak 3117echo "# Automatically generated by configure - do not modify" > $config_mak 3118echo "TOPSRC_DIR=$source_path" >> $config_mak 3119 3120if test "$skip_meson" = no; then 3121 cross="config-meson.cross.new" 3122 meson_quote() { 3123 test $# = 0 && return 3124 echo "'$(echo $* | sed "s/ /','/g")'" 3125 } 3126 3127 echo "# Automatically generated by configure - do not modify" > $cross 3128 echo "[properties]" >> $cross 3129 3130 # unroll any custom device configs 3131 for a in $device_archs; do 3132 eval "c=\$devices_${a}" 3133 echo "${a}-softmmu = '$c'" >> $cross 3134 done 3135 3136 test -z "$cxx" && echo "link_language = 'c'" >> $cross 3137 echo "[built-in options]" >> $cross 3138 echo "c_args = [$(meson_quote $CFLAGS $EXTRA_CFLAGS)]" >> $cross 3139 echo "cpp_args = [$(meson_quote $CXXFLAGS $EXTRA_CXXFLAGS)]" >> $cross 3140 echo "c_link_args = [$(meson_quote $CFLAGS $LDFLAGS $EXTRA_CFLAGS $EXTRA_LDFLAGS)]" >> $cross 3141 echo "cpp_link_args = [$(meson_quote $CXXFLAGS $LDFLAGS $EXTRA_CXXFLAGS $EXTRA_LDFLAGS)]" >> $cross 3142 echo "[binaries]" >> $cross 3143 echo "c = [$(meson_quote $cc $CPU_CFLAGS)]" >> $cross 3144 test -n "$cxx" && echo "cpp = [$(meson_quote $cxx $CPU_CFLAGS)]" >> $cross 3145 test -n "$objcc" && echo "objc = [$(meson_quote $objcc $CPU_CFLAGS)]" >> $cross 3146 echo "ar = [$(meson_quote $ar)]" >> $cross 3147 echo "nm = [$(meson_quote $nm)]" >> $cross 3148 echo "pkgconfig = [$(meson_quote $pkg_config_exe)]" >> $cross 3149 echo "ranlib = [$(meson_quote $ranlib)]" >> $cross 3150 if has $sdl2_config; then 3151 echo "sdl2-config = [$(meson_quote $sdl2_config)]" >> $cross 3152 fi 3153 echo "strip = [$(meson_quote $strip)]" >> $cross 3154 echo "windres = [$(meson_quote $windres)]" >> $cross 3155 if test "$cross_compile" = "yes"; then 3156 cross_arg="--cross-file config-meson.cross" 3157 echo "[host_machine]" >> $cross 3158 echo "system = '$targetos'" >> $cross 3159 case "$cpu" in 3160 i386) 3161 echo "cpu_family = 'x86'" >> $cross 3162 ;; 3163 *) 3164 echo "cpu_family = '$cpu'" >> $cross 3165 ;; 3166 esac 3167 echo "cpu = '$cpu'" >> $cross 3168 if test "$bigendian" = "yes" ; then 3169 echo "endian = 'big'" >> $cross 3170 else 3171 echo "endian = 'little'" >> $cross 3172 fi 3173 else 3174 cross_arg="--native-file config-meson.cross" 3175 fi 3176 mv $cross config-meson.cross 3177 3178 rm -rf meson-private meson-info meson-logs 3179 run_meson() { 3180 NINJA=$ninja $meson setup \ 3181 --prefix "$prefix" \ 3182 --libdir "$libdir" \ 3183 --libexecdir "$libexecdir" \ 3184 --bindir "$bindir" \ 3185 --includedir "$includedir" \ 3186 --datadir "$datadir" \ 3187 --mandir "$mandir" \ 3188 --sysconfdir "$sysconfdir" \ 3189 --localedir "$localedir" \ 3190 --localstatedir "$local_statedir" \ 3191 -Daudio_drv_list=$audio_drv_list \ 3192 -Ddefault_devices=$default_devices \ 3193 -Ddocdir="$docdir" \ 3194 -Diasl="$($iasl -h >/dev/null 2>&1 && printf %s "$iasl")" \ 3195 -Dqemu_firmwarepath="$firmwarepath" \ 3196 -Dqemu_suffix="$qemu_suffix" \ 3197 -Dsmbd="$smbd" \ 3198 -Dsphinx_build="$sphinx_build" \ 3199 -Dtrace_file="$trace_file" \ 3200 -Doptimization=$(if test "$debug" = yes; then echo 0; else echo 2; fi) \ 3201 -Ddebug=$(if test "$debug_info" = yes; then echo true; else echo false; fi) \ 3202 -Dwerror=$(if test "$werror" = yes; then echo true; else echo false; fi) \ 3203 -Db_pie=$(if test "$pie" = yes; then echo true; else echo false; fi) \ 3204 -Db_coverage=$(if test "$gcov" = yes; then echo true; else echo false; fi) \ 3205 -Db_lto=$lto -Dcfi=$cfi -Dtcg=$tcg -Dxen=$xen \ 3206 -Dcapstone=$capstone -Dfdt=$fdt -Dslirp=$slirp \ 3207 $(test -n "${LIB_FUZZING_ENGINE+xxx}" && echo "-Dfuzzing_engine=$LIB_FUZZING_ENGINE") \ 3208 $(if test "$default_feature" = no; then echo "-Dauto_features=disabled"; fi) \ 3209 "$@" $cross_arg "$PWD" "$source_path" 3210 } 3211 eval run_meson $meson_options 3212 if test "$?" -ne 0 ; then 3213 error_exit "meson setup failed" 3214 fi 3215else 3216 if test -f meson-private/cmd_line.txt; then 3217 # Adjust old command line options whose type was changed 3218 # Avoids having to use "setup --wipe" when Meson is upgraded 3219 perl -i -ne ' 3220 s/^gettext = true$/gettext = auto/; 3221 s/^gettext = false$/gettext = disabled/; 3222 /^b_staticpic/ && next; 3223 print;' meson-private/cmd_line.txt 3224 fi 3225fi 3226 3227# Save the configure command line for later reuse. 3228cat <<EOD >config.status 3229#!/bin/sh 3230# Generated by configure. 3231# Run this file to recreate the current configuration. 3232# Compiler output produced by configure, useful for debugging 3233# configure, is in config.log if it exists. 3234EOD 3235 3236preserve_env() { 3237 envname=$1 3238 3239 eval envval=\$$envname 3240 3241 if test -n "$envval" 3242 then 3243 echo "$envname='$envval'" >> config.status 3244 echo "export $envname" >> config.status 3245 else 3246 echo "unset $envname" >> config.status 3247 fi 3248} 3249 3250# Preserve various env variables that influence what 3251# features/build target configure will detect 3252preserve_env AR 3253preserve_env AS 3254preserve_env CC 3255preserve_env CPP 3256preserve_env CFLAGS 3257preserve_env CXX 3258preserve_env CXXFLAGS 3259preserve_env INSTALL 3260preserve_env LD 3261preserve_env LDFLAGS 3262preserve_env LD_LIBRARY_PATH 3263preserve_env LIBTOOL 3264preserve_env MAKE 3265preserve_env NM 3266preserve_env OBJCOPY 3267preserve_env PATH 3268preserve_env PKG_CONFIG 3269preserve_env PKG_CONFIG_LIBDIR 3270preserve_env PKG_CONFIG_PATH 3271preserve_env PYTHON 3272preserve_env SDL2_CONFIG 3273preserve_env SMBD 3274preserve_env STRIP 3275preserve_env WINDRES 3276 3277printf "exec" >>config.status 3278for i in "$0" "$@"; do 3279 test "$i" = --skip-meson || printf " %s" "$(quote_sh "$i")" >>config.status 3280done 3281echo ' "$@"' >>config.status 3282chmod +x config.status 3283 3284rm -r "$TMPDIR1" 3285
