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 "${TMPDIR1}" 70if ! mkdir -p "${TMPDIR1}"; then 71 echo "ERROR: failed to create temporary directory" 72 exit 1 73fi 74 75TMPB="qemu-conf" 76TMPC="${TMPDIR1}/${TMPB}.c" 77TMPO="${TMPDIR1}/${TMPB}.o" 78TMPM="${TMPDIR1}/${TMPB}.m" 79TMPE="${TMPDIR1}/${TMPB}.exe" 80 81rm -f config.log 82 83# Print a helpful header at the top of config.log 84echo "# QEMU configure log $(date)" >> config.log 85printf "# Configured with:" >> config.log 86# repeat the invocation to log and stdout for CI 87invoke=$(printf " '%s'" "$0" "$@") 88test -n "$GITLAB_CI" && echo "configuring with: $invoke" 89{ echo "$invoke"; echo; echo "#"; } >> 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} 123 124do_compiler_werror() { 125 # Run the compiler, capturing its output to the log. First argument 126 # is compiler binary to execute. 127 compiler="$1" 128 shift 129 if test -n "$BASH_VERSION"; then eval ' 130 echo >>config.log " 131funcs: ${FUNCNAME[*]} 132lines: ${BASH_LINENO[*]}" 133 '; fi 134 echo $compiler "$@" >> config.log 135 $compiler "$@" >> config.log 2>&1 || return $? 136 # Test passed. If this is an --enable-werror build, rerun 137 # the test with -Werror and bail out if it fails. This 138 # makes warning-generating-errors in configure test code 139 # obvious to developers. 140 if test "$werror" != "yes"; then 141 return 0 142 fi 143 # Don't bother rerunning the compile if we were already using -Werror 144 case "$*" in 145 *-Werror*) 146 return 0 147 ;; 148 esac 149 echo $compiler -Werror "$@" >> config.log 150 $compiler -Werror "$@" >> config.log 2>&1 && return $? 151 error_exit "configure test passed without -Werror but failed with -Werror." \ 152 "This is probably a bug in the configure script. The failing command" \ 153 "will be at the bottom of config.log." \ 154 "You can run configure with --disable-werror to bypass this check." 155} 156 157do_cc() { 158 do_compiler_werror "$cc" $CPU_CFLAGS "$@" 159} 160 161do_objc() { 162 do_compiler_werror "$objcc" $CPU_CFLAGS "$@" 163} 164 165# Append $2 to the variable named $1, with space separation 166add_to() { 167 eval $1=\${$1:+\"\$$1 \"}\$2 168} 169 170compile_object() { 171 local_cflags="$1" 172 do_cc $CFLAGS $EXTRA_CFLAGS $CONFIGURE_CFLAGS $QEMU_CFLAGS $local_cflags -c -o $TMPO $TMPC 173} 174 175compile_prog() { 176 local_cflags="$1" 177 local_ldflags="$2" 178 do_cc $CFLAGS $EXTRA_CFLAGS $CONFIGURE_CFLAGS $QEMU_CFLAGS $local_cflags -o $TMPE $TMPC \ 179 $LDFLAGS $EXTRA_LDFLAGS $CONFIGURE_LDFLAGS $QEMU_LDFLAGS $local_ldflags 180} 181 182# symbolically link $1 to $2. Portable version of "ln -sf". 183symlink() { 184 rm -rf "$2" 185 mkdir -p "$(dirname "$2")" 186 ln -s "$1" "$2" 187} 188 189# check whether a command is available to this shell (may be either an 190# executable or a builtin) 191has() { 192 type "$1" >/dev/null 2>&1 193} 194 195version_ge () { 196 local_ver1=$(expr "$1" : '\([0-9.]*\)' | tr . ' ') 197 local_ver2=$(echo "$2" | tr . ' ') 198 while true; do 199 set x $local_ver1 200 local_first=${2-0} 201 # 'shift 2' if $2 is set, or 'shift' if $2 is not set 202 shift ${2:+2} 203 local_ver1=$* 204 set x $local_ver2 205 # the second argument finished, the first must be greater or equal 206 test $# = 1 && return 0 207 test $local_first -lt $2 && return 1 208 test $local_first -gt $2 && return 0 209 shift ${2:+2} 210 local_ver2=$* 211 done 212} 213 214if printf %s\\n "$source_path" "$PWD" | grep -q "[[:space:]:]"; 215then 216 error_exit "main directory cannot contain spaces nor colons" 217fi 218 219# default parameters 220cpu="" 221static="no" 222cross_compile="no" 223cross_prefix="" 224host_cc="cc" 225stack_protector="" 226safe_stack="" 227use_containers="yes" 228gdb_bin=$(command -v "gdb-multiarch" || command -v "gdb") 229 230if test -e "$source_path/.git" 231then 232 git_submodules_action="update" 233else 234 git_submodules_action="ignore" 235fi 236 237git_submodules="ui/keycodemapdb" 238git="git" 239 240# Don't accept a target_list environment variable. 241unset target_list 242unset target_list_exclude 243 244# Default value for a variable defining feature "foo". 245# * foo="no" feature will only be used if --enable-foo arg is given 246# * foo="" feature will be searched for, and if found, will be used 247# unless --disable-foo is given 248# * foo="yes" this value will only be set by --enable-foo flag. 249# feature will searched for, 250# if not found, configure exits with error 251# 252# Always add --enable-foo and --disable-foo command line args. 253# Distributions want to ensure that several features are compiled in, and it 254# is impossible without a --enable-foo that exits if a feature is not found. 255 256default_feature="" 257# parse CC options second 258for opt do 259 optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)') 260 case "$opt" in 261 --without-default-features) 262 default_feature="no" 263 ;; 264 esac 265done 266 267EXTRA_CFLAGS="" 268EXTRA_CXXFLAGS="" 269EXTRA_OBJCFLAGS="" 270EXTRA_LDFLAGS="" 271 272debug_tcg="no" 273sanitizers="no" 274tsan="no" 275fortify_source="yes" 276EXESUF="" 277modules="no" 278prefix="/usr/local" 279qemu_suffix="qemu" 280softmmu="yes" 281linux_user="" 282bsd_user="" 283pie="" 284coroutine="" 285plugins="$default_feature" 286meson="" 287ninja="" 288bindir="bin" 289skip_meson=no 290vfio_user_server="disabled" 291 292# The following Meson options are handled manually (still they 293# are included in the automatically generated help message) 294 295# 1. Track which submodules are needed 296fdt="auto" 297 298# 2. Automatically enable/disable other options 299tcg="auto" 300cfi="false" 301 302# parse CC options second 303for opt do 304 optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)') 305 case "$opt" in 306 --cross-prefix=*) cross_prefix="$optarg" 307 cross_compile="yes" 308 ;; 309 --cc=*) CC="$optarg" 310 ;; 311 --cxx=*) CXX="$optarg" 312 ;; 313 --cpu=*) cpu="$optarg" 314 ;; 315 --extra-cflags=*) 316 EXTRA_CFLAGS="$EXTRA_CFLAGS $optarg" 317 EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS $optarg" 318 EXTRA_OBJCFLAGS="$EXTRA_OBJCFLAGS $optarg" 319 ;; 320 --extra-cxxflags=*) EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS $optarg" 321 ;; 322 --extra-objcflags=*) EXTRA_OBJCFLAGS="$EXTRA_OBJCFLAGS $optarg" 323 ;; 324 --extra-ldflags=*) EXTRA_LDFLAGS="$EXTRA_LDFLAGS $optarg" 325 ;; 326 --cross-cc-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-cc-FOO option" 327 ;; 328 --cross-cc-cflags-*) cc_arch=${opt#--cross-cc-cflags-}; cc_arch=${cc_arch%%=*} 329 eval "cross_cc_cflags_${cc_arch}=\$optarg" 330 ;; 331 --cross-cc-*) cc_arch=${opt#--cross-cc-}; cc_arch=${cc_arch%%=*} 332 eval "cross_cc_${cc_arch}=\$optarg" 333 ;; 334 --cross-prefix-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-prefix-FOO option" 335 ;; 336 --cross-prefix-*) cc_arch=${opt#--cross-prefix-}; cc_arch=${cc_arch%%=*} 337 eval "cross_prefix_${cc_arch}=\$optarg" 338 ;; 339 esac 340done 341 342# Preferred compiler: 343# ${CC} (if set) 344# ${cross_prefix}gcc (if cross-prefix specified) 345# system compiler 346if test -z "${CC}${cross_prefix}"; then 347 cc="$host_cc" 348else 349 cc="${CC-${cross_prefix}gcc}" 350fi 351 352if test -z "${CXX}${cross_prefix}"; then 353 cxx="c++" 354else 355 cxx="${CXX-${cross_prefix}g++}" 356fi 357 358ar="${AR-${cross_prefix}ar}" 359as="${AS-${cross_prefix}as}" 360ccas="${CCAS-$cc}" 361objcopy="${OBJCOPY-${cross_prefix}objcopy}" 362ld="${LD-${cross_prefix}ld}" 363ranlib="${RANLIB-${cross_prefix}ranlib}" 364nm="${NM-${cross_prefix}nm}" 365smbd="$SMBD" 366strip="${STRIP-${cross_prefix}strip}" 367widl="${WIDL-${cross_prefix}widl}" 368windres="${WINDRES-${cross_prefix}windres}" 369windmc="${WINDMC-${cross_prefix}windmc}" 370pkg_config_exe="${PKG_CONFIG-${cross_prefix}pkg-config}" 371query_pkg_config() { 372 "${pkg_config_exe}" ${QEMU_PKG_CONFIG_FLAGS} "$@" 373} 374pkg_config=query_pkg_config 375sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}" 376 377# default flags for all hosts 378# We use -fwrapv to tell the compiler that we require a C dialect where 379# left shift of signed integers is well defined and has the expected 380# 2s-complement style results. (Both clang and gcc agree that it 381# provides these semantics.) 382QEMU_CFLAGS="-fno-strict-aliasing -fno-common -fwrapv" 383QEMU_CFLAGS="-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE $QEMU_CFLAGS" 384 385QEMU_LDFLAGS= 386 387# Flags that are needed during configure but later taken care of by Meson 388CONFIGURE_CFLAGS="-std=gnu11 -Wall" 389CONFIGURE_LDFLAGS= 390 391 392check_define() { 393cat > $TMPC <<EOF 394#if !defined($1) 395#error $1 not defined 396#endif 397int main(void) { return 0; } 398EOF 399 compile_object 400} 401 402check_include() { 403cat > $TMPC <<EOF 404#include <$1> 405int main(void) { return 0; } 406EOF 407 compile_object 408} 409 410write_c_skeleton() { 411 cat > $TMPC <<EOF 412int main(void) { return 0; } 413EOF 414} 415 416if check_define __linux__ ; then 417 targetos=linux 418elif check_define _WIN32 ; then 419 targetos=windows 420elif check_define __OpenBSD__ ; then 421 targetos=openbsd 422elif check_define __sun__ ; then 423 targetos=sunos 424elif check_define __HAIKU__ ; then 425 targetos=haiku 426elif check_define __FreeBSD__ ; then 427 targetos=freebsd 428elif check_define __FreeBSD_kernel__ && check_define __GLIBC__; then 429 targetos=gnu/kfreebsd 430elif check_define __DragonFly__ ; then 431 targetos=dragonfly 432elif check_define __NetBSD__; then 433 targetos=netbsd 434elif check_define __APPLE__; then 435 targetos=darwin 436else 437 # This is a fatal error, but don't report it yet, because we 438 # might be going to just print the --help text, or it might 439 # be the result of a missing compiler. 440 targetos=bogus 441fi 442 443# OS specific 444 445mingw32="no" 446bsd="no" 447linux="no" 448solaris="no" 449case $targetos in 450windows) 451 mingw32="yes" 452 plugins="no" 453 pie="no" 454;; 455gnu/kfreebsd) 456 bsd="yes" 457;; 458freebsd) 459 bsd="yes" 460 make="${MAKE-gmake}" 461 # needed for kinfo_getvmmap(3) in libutil.h 462;; 463dragonfly) 464 bsd="yes" 465 make="${MAKE-gmake}" 466;; 467netbsd) 468 bsd="yes" 469 make="${MAKE-gmake}" 470;; 471openbsd) 472 bsd="yes" 473 make="${MAKE-gmake}" 474;; 475darwin) 476 bsd="yes" 477 darwin="yes" 478 # Disable attempts to use ObjectiveC features in os/object.h since they 479 # won't work when we're compiling with gcc as a C compiler. 480 QEMU_CFLAGS="-DOS_OBJECT_USE_OBJC=0 $QEMU_CFLAGS" 481;; 482sunos) 483 solaris="yes" 484 make="${MAKE-gmake}" 485# needed for CMSG_ macros in sys/socket.h 486 QEMU_CFLAGS="-D_XOPEN_SOURCE=600 $QEMU_CFLAGS" 487# needed for TIOCWIN* defines in termios.h 488 QEMU_CFLAGS="-D__EXTENSIONS__ $QEMU_CFLAGS" 489;; 490haiku) 491 pie="no" 492 QEMU_CFLAGS="-DB_USE_POSITIVE_POSIX_ERRORS -D_BSD_SOURCE -fPIC $QEMU_CFLAGS" 493;; 494linux) 495 linux="yes" 496;; 497esac 498 499if test ! -z "$cpu" ; then 500 # command line argument 501 : 502elif check_define __i386__ ; then 503 cpu="i386" 504elif check_define __x86_64__ ; then 505 if check_define __ILP32__ ; then 506 cpu="x32" 507 else 508 cpu="x86_64" 509 fi 510elif check_define __sparc__ ; then 511 if check_define __arch64__ ; then 512 cpu="sparc64" 513 else 514 cpu="sparc" 515 fi 516elif check_define _ARCH_PPC ; then 517 if check_define _ARCH_PPC64 ; then 518 if check_define _LITTLE_ENDIAN ; then 519 cpu="ppc64le" 520 else 521 cpu="ppc64" 522 fi 523 else 524 cpu="ppc" 525 fi 526elif check_define __mips__ ; then 527 cpu="mips" 528elif check_define __s390__ ; then 529 if check_define __s390x__ ; then 530 cpu="s390x" 531 else 532 cpu="s390" 533 fi 534elif check_define __riscv ; then 535 cpu="riscv" 536elif check_define __arm__ ; then 537 cpu="arm" 538elif check_define __aarch64__ ; then 539 cpu="aarch64" 540elif check_define __loongarch64 ; then 541 cpu="loongarch64" 542else 543 # Using uname is really broken, but it is just a fallback for architectures 544 # that are going to use TCI anyway 545 cpu=$(uname -m) 546 echo "WARNING: unrecognized host CPU, proceeding with 'uname -m' output '$cpu'" 547fi 548 549# Normalise host CPU name and set multilib cflags. The canonicalization 550# isn't really necessary, because the architectures that we check for 551# should not hit the 'uname -m' case, but better safe than sorry. 552# Note that this case should only have supported host CPUs, not guests. 553case "$cpu" in 554 armv*b|armv*l|arm) 555 cpu="arm" ;; 556 557 i386|i486|i586|i686) 558 cpu="i386" 559 CPU_CFLAGS="-m32" ;; 560 x32) 561 cpu="x86_64" 562 CPU_CFLAGS="-mx32" ;; 563 x86_64|amd64) 564 cpu="x86_64" 565 # ??? Only extremely old AMD cpus do not have cmpxchg16b. 566 # If we truly care, we should simply detect this case at 567 # runtime and generate the fallback to serial emulation. 568 CPU_CFLAGS="-m64 -mcx16" ;; 569 570 mips*) 571 cpu="mips" ;; 572 573 ppc) 574 CPU_CFLAGS="-m32" ;; 575 ppc64) 576 CPU_CFLAGS="-m64 -mbig-endian" ;; 577 ppc64le) 578 cpu="ppc64" 579 CPU_CFLAGS="-m64 -mlittle-endian" ;; 580 581 s390) 582 CPU_CFLAGS="-m31" ;; 583 s390x) 584 CPU_CFLAGS="-m64" ;; 585 586 sparc|sun4[cdmuv]) 587 cpu="sparc" 588 CPU_CFLAGS="-m32 -mv8plus -mcpu=ultrasparc" ;; 589 sparc64) 590 CPU_CFLAGS="-m64 -mcpu=ultrasparc" ;; 591esac 592 593: ${make=${MAKE-make}} 594 595 596check_py_version() { 597 # We require python >= 3.6. 598 # NB: a True python conditional creates a non-zero return code (Failure) 599 "$1" -c 'import sys; sys.exit(sys.version_info < (3,6))' 600} 601 602python= 603first_python= 604if test -z "${PYTHON}"; then 605 explicit_python=no 606 # A bare 'python' is traditionally python 2.x, but some distros 607 # have it as python 3.x, so check in both places. 608 for binary in python3 python python3.11 python3.10 python3.9 python3.8 python3.7 python3.6; do 609 if has "$binary"; then 610 python=$(command -v "$binary") 611 if check_py_version "$python"; then 612 # This one is good. 613 first_python= 614 break 615 else 616 first_python=$python 617 fi 618 fi 619 done 620else 621 # Same as above, but only check the environment variable. 622 has "${PYTHON}" || error_exit "The PYTHON environment variable does not point to an executable" 623 python=$(command -v "$PYTHON") 624 explicit_python=yes 625 if check_py_version "$python"; then 626 # This one is good. 627 first_python= 628 else 629 first_python=$first_python 630 fi 631fi 632 633# Check for ancillary tools used in testing 634genisoimage= 635for binary in genisoimage mkisofs 636do 637 if has $binary 638 then 639 genisoimage=$(command -v "$binary") 640 break 641 fi 642done 643 644# Default objcc to clang if available, otherwise use CC 645if has clang; then 646 objcc=clang 647else 648 objcc="$cc" 649fi 650 651if test "$mingw32" = "yes" ; then 652 EXESUF=".exe" 653 # MinGW needs -mthreads for TLS and macro _MT. 654 CONFIGURE_CFLAGS="-mthreads $CONFIGURE_CFLAGS" 655 prefix="/qemu" 656 bindir="" 657 qemu_suffix="" 658fi 659 660werror="" 661 662meson_option_build_array() { 663 printf '[' 664 (if test "$targetos" = windows; then 665 IFS=\; 666 else 667 IFS=: 668 fi 669 for e in $1; do 670 printf '"""' 671 # backslash escape any '\' and '"' characters 672 printf "%s" "$e" | sed -e 's/\([\"]\)/\\\1/g' 673 printf '""",' 674 done) 675 printf ']\n' 676} 677 678. "$source_path/scripts/meson-buildoptions.sh" 679 680meson_options= 681meson_option_add() { 682 meson_options="$meson_options $(quote_sh "$1")" 683} 684meson_option_parse() { 685 meson_options="$meson_options $(_meson_option_parse "$@")" 686 if test $? -eq 1; then 687 echo "ERROR: unknown option $1" 688 echo "Try '$0 --help' for more information" 689 exit 1 690 fi 691} 692 693for opt do 694 optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)') 695 case "$opt" in 696 --help|-h) show_help=yes 697 ;; 698 --version|-V) exec cat "$source_path/VERSION" 699 ;; 700 --prefix=*) prefix="$optarg" 701 ;; 702 --cross-prefix=*) 703 ;; 704 --cc=*) 705 ;; 706 --host-cc=*) host_cc="$optarg" 707 ;; 708 --cxx=*) 709 ;; 710 --objcc=*) objcc="$optarg" 711 ;; 712 --make=*) make="$optarg" 713 ;; 714 --install=*) 715 ;; 716 --python=*) python="$optarg" ; explicit_python=yes 717 ;; 718 --skip-meson) skip_meson=yes 719 ;; 720 --meson=*) meson="$optarg" 721 ;; 722 --ninja=*) ninja="$optarg" 723 ;; 724 --smbd=*) smbd="$optarg" 725 ;; 726 --extra-cflags=*) 727 ;; 728 --extra-cxxflags=*) 729 ;; 730 --extra-objcflags=*) 731 ;; 732 --extra-ldflags=*) 733 ;; 734 --cross-cc-*) 735 ;; 736 --cross-prefix-*) 737 ;; 738 --enable-debug-info) meson_option_add -Ddebug=true 739 ;; 740 --disable-debug-info) meson_option_add -Ddebug=false 741 ;; 742 --enable-modules) 743 modules="yes" 744 ;; 745 --disable-modules) 746 modules="no" 747 ;; 748 --cpu=*) 749 ;; 750 --target-list=*) target_list="$optarg" 751 if test "$target_list_exclude"; then 752 error_exit "Can't mix --target-list with --target-list-exclude" 753 fi 754 ;; 755 --target-list-exclude=*) target_list_exclude="$optarg" 756 if test "$target_list"; then 757 error_exit "Can't mix --target-list-exclude with --target-list" 758 fi 759 ;; 760 --with-default-devices) meson_option_add -Ddefault_devices=true 761 ;; 762 --without-default-devices) meson_option_add -Ddefault_devices=false 763 ;; 764 --with-devices-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --with-devices-FOO option" 765 ;; 766 --with-devices-*) device_arch=${opt#--with-devices-}; 767 device_arch=${device_arch%%=*} 768 cf=$source_path/configs/devices/$device_arch-softmmu/$optarg.mak 769 if test -f "$cf"; then 770 device_archs="$device_archs $device_arch" 771 eval "devices_${device_arch}=\$optarg" 772 else 773 error_exit "File $cf does not exist" 774 fi 775 ;; 776 --without-default-features) # processed above 777 ;; 778 --static) 779 static="yes" 780 QEMU_PKG_CONFIG_FLAGS="--static $QEMU_PKG_CONFIG_FLAGS" 781 ;; 782 --bindir=*) bindir="$optarg" 783 ;; 784 --with-suffix=*) qemu_suffix="$optarg" 785 ;; 786 --host=*|--build=*|\ 787 --disable-dependency-tracking|\ 788 --sbindir=*|--sharedstatedir=*|\ 789 --oldincludedir=*|--datarootdir=*|--infodir=*|\ 790 --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*) 791 # These switches are silently ignored, for compatibility with 792 # autoconf-generated configure scripts. This allows QEMU's 793 # configure to be used by RPM and similar macros that set 794 # lots of directory switches by default. 795 ;; 796 --enable-debug-tcg) debug_tcg="yes" 797 ;; 798 --disable-debug-tcg) debug_tcg="no" 799 ;; 800 --enable-debug) 801 # Enable debugging options that aren't excessively noisy 802 debug_tcg="yes" 803 meson_option_parse --enable-debug-mutex "" 804 meson_option_add -Doptimization=0 805 fortify_source="no" 806 ;; 807 --enable-sanitizers) sanitizers="yes" 808 ;; 809 --disable-sanitizers) sanitizers="no" 810 ;; 811 --enable-tsan) tsan="yes" 812 ;; 813 --disable-tsan) tsan="no" 814 ;; 815 --disable-tcg) tcg="disabled" 816 plugins="no" 817 ;; 818 --enable-tcg) tcg="enabled" 819 ;; 820 --disable-system) softmmu="no" 821 ;; 822 --enable-system) softmmu="yes" 823 ;; 824 --disable-user) 825 linux_user="no" ; 826 bsd_user="no" ; 827 ;; 828 --enable-user) ;; 829 --disable-linux-user) linux_user="no" 830 ;; 831 --enable-linux-user) linux_user="yes" 832 ;; 833 --disable-bsd-user) bsd_user="no" 834 ;; 835 --enable-bsd-user) bsd_user="yes" 836 ;; 837 --enable-pie) pie="yes" 838 ;; 839 --disable-pie) pie="no" 840 ;; 841 --enable-werror) werror="yes" 842 ;; 843 --disable-werror) werror="no" 844 ;; 845 --enable-stack-protector) stack_protector="yes" 846 ;; 847 --disable-stack-protector) stack_protector="no" 848 ;; 849 --enable-safe-stack) safe_stack="yes" 850 ;; 851 --disable-safe-stack) safe_stack="no" 852 ;; 853 --enable-cfi) 854 cfi="true"; 855 meson_option_add -Db_lto=true 856 ;; 857 --disable-cfi) cfi="false" 858 ;; 859 --disable-fdt) fdt="disabled" 860 ;; 861 --enable-fdt) fdt="enabled" 862 ;; 863 --enable-fdt=git) fdt="internal" 864 ;; 865 --enable-fdt=*) fdt="$optarg" 866 ;; 867 --with-coroutine=*) coroutine="$optarg" 868 ;; 869 --with-git=*) git="$optarg" 870 ;; 871 --with-git-submodules=*) 872 git_submodules_action="$optarg" 873 ;; 874 --enable-plugins) if test "$mingw32" = "yes"; then 875 error_exit "TCG plugins not currently supported on Windows platforms" 876 else 877 plugins="yes" 878 fi 879 ;; 880 --disable-plugins) plugins="no" 881 ;; 882 --enable-containers) use_containers="yes" 883 ;; 884 --disable-containers) use_containers="no" 885 ;; 886 --gdb=*) gdb_bin="$optarg" 887 ;; 888 --enable-vfio-user-server) vfio_user_server="enabled" 889 ;; 890 --disable-vfio-user-server) vfio_user_server="disabled" 891 ;; 892 # everything else has the same name in configure and meson 893 --*) meson_option_parse "$opt" "$optarg" 894 ;; 895 esac 896done 897 898# test for any invalid configuration combinations 899if test "$plugins" = "yes" -a "$tcg" = "disabled"; then 900 error_exit "Can't enable plugins on non-TCG builds" 901fi 902 903case $git_submodules_action in 904 update|validate) 905 if test ! -e "$source_path/.git"; then 906 echo "ERROR: cannot $git_submodules_action git submodules without .git" 907 exit 1 908 fi 909 ;; 910 ignore) 911 if ! test -f "$source_path/ui/keycodemapdb/README" 912 then 913 echo 914 echo "ERROR: missing GIT submodules" 915 echo 916 if test -e "$source_path/.git"; then 917 echo "--with-git-submodules=ignore specified but submodules were not" 918 echo "checked out. Please initialize and update submodules." 919 else 920 echo "This is not a GIT checkout but module content appears to" 921 echo "be missing. Do not use 'git archive' or GitHub download links" 922 echo "to acquire QEMU source archives. Non-GIT builds are only" 923 echo "supported with source archives linked from:" 924 echo 925 echo " https://www.qemu.org/download/#source" 926 echo 927 echo "Developers working with GIT can use scripts/archive-source.sh" 928 echo "if they need to create valid source archives." 929 fi 930 echo 931 exit 1 932 fi 933 ;; 934 *) 935 echo "ERROR: invalid --with-git-submodules= value '$git_submodules_action'" 936 exit 1 937 ;; 938esac 939 940default_target_list="" 941mak_wilds="" 942 943if [ "$linux_user" != no ]; then 944 if [ "$targetos" = linux ] && [ -d "$source_path/linux-user/include/host/$cpu" ]; then 945 linux_user=yes 946 elif [ "$linux_user" = yes ]; then 947 error_exit "linux-user not supported on this architecture" 948 fi 949fi 950if [ "$bsd_user" != no ]; then 951 if [ "$bsd_user" = "" ]; then 952 test $targetos = freebsd && bsd_user=yes 953 fi 954 if [ "$bsd_user" = yes ] && ! [ -d "$source_path/bsd-user/$targetos" ]; then 955 error_exit "bsd-user not supported on this host OS" 956 fi 957fi 958if [ "$softmmu" = "yes" ]; then 959 mak_wilds="${mak_wilds} $source_path/configs/targets/*-softmmu.mak" 960fi 961if [ "$linux_user" = "yes" ]; then 962 mak_wilds="${mak_wilds} $source_path/configs/targets/*-linux-user.mak" 963fi 964if [ "$bsd_user" = "yes" ]; then 965 mak_wilds="${mak_wilds} $source_path/configs/targets/*-bsd-user.mak" 966fi 967 968for config in $mak_wilds; do 969 target="$(basename "$config" .mak)" 970 if echo "$target_list_exclude" | grep -vq "$target"; then 971 default_target_list="${default_target_list} $target" 972 fi 973done 974 975if test x"$show_help" = x"yes" ; then 976cat << EOF 977 978Usage: configure [options] 979Options: [defaults in brackets after descriptions] 980 981Standard options: 982 --help print this message 983 --prefix=PREFIX install in PREFIX [$prefix] 984 --target-list=LIST set target list (default: build all) 985$(echo Available targets: $default_target_list | \ 986 fold -s -w 53 | sed -e 's/^/ /') 987 --target-list-exclude=LIST exclude a set of targets from the default target-list 988 989Advanced options (experts only): 990 --cross-prefix=PREFIX use PREFIX for compile tools, PREFIX can be blank [$cross_prefix] 991 --cc=CC use C compiler CC [$cc] 992 --host-cc=CC use C compiler CC [$host_cc] for code run at 993 build time 994 --cxx=CXX use C++ compiler CXX [$cxx] 995 --objcc=OBJCC use Objective-C compiler OBJCC [$objcc] 996 --extra-cflags=CFLAGS append extra C compiler flags CFLAGS 997 --extra-cxxflags=CXXFLAGS append extra C++ compiler flags CXXFLAGS 998 --extra-objcflags=OBJCFLAGS append extra Objective C compiler flags OBJCFLAGS 999 --extra-ldflags=LDFLAGS append extra linker flags LDFLAGS 1000 --cross-cc-ARCH=CC use compiler when building ARCH guest test cases 1001 --cross-cc-cflags-ARCH= use compiler flags when building ARCH guest tests 1002 --cross-prefix-ARCH=PREFIX cross compiler prefix when building ARCH guest test cases 1003 --make=MAKE use specified make [$make] 1004 --python=PYTHON use specified python [$python] 1005 --meson=MESON use specified meson [$meson] 1006 --ninja=NINJA use specified ninja [$ninja] 1007 --smbd=SMBD use specified smbd [$smbd] 1008 --with-git=GIT use specified git [$git] 1009 --with-git-submodules=update update git submodules (default if .git dir exists) 1010 --with-git-submodules=validate fail if git submodules are not up to date 1011 --with-git-submodules=ignore do not update or check git submodules (default if no .git dir) 1012 --static enable static build [$static] 1013 --bindir=PATH install binaries in PATH 1014 --with-suffix=SUFFIX suffix for QEMU data inside datadir/libdir/sysconfdir/docdir [$qemu_suffix] 1015 --without-default-features default all --enable-* options to "disabled" 1016 --without-default-devices do not include any device that is not needed to 1017 start the emulator (only use if you are including 1018 desired devices in configs/devices/) 1019 --with-devices-ARCH=NAME override default configs/devices 1020 --enable-debug enable common debug build options 1021 --enable-sanitizers enable default sanitizers 1022 --enable-tsan enable thread sanitizer 1023 --disable-werror disable compilation abort on warning 1024 --disable-stack-protector disable compiler-provided stack protection 1025 --cpu=CPU Build for host CPU [$cpu] 1026 --with-coroutine=BACKEND coroutine backend. Supported options: 1027 ucontext, sigaltstack, windows 1028 --enable-plugins 1029 enable plugins via shared library loading 1030 --disable-containers don't use containers for cross-building 1031 --gdb=GDB-path gdb to use for gdbstub tests [$gdb_bin] 1032EOF 1033 meson_options_help 1034cat << EOF 1035 system all system emulation targets 1036 user supported user emulation targets 1037 linux-user all linux usermode emulation targets 1038 bsd-user all BSD usermode emulation targets 1039 pie Position Independent Executables 1040 modules modules support (non-Windows) 1041 debug-tcg TCG debugging (default is disabled) 1042 debug-info debugging information 1043 safe-stack SafeStack Stack Smash Protection. Depends on 1044 clang/llvm and requires coroutine backend ucontext. 1045 1046NOTE: The object files are built at the place where configure is launched 1047EOF 1048exit 0 1049fi 1050 1051# Remove old dependency files to make sure that they get properly regenerated 1052rm -f ./*/config-devices.mak.d 1053 1054if test -z "$python" 1055then 1056 # If first_python is set, there was a binary somewhere even though 1057 # it was not suitable. Use it for the error message. 1058 if test -n "$first_python"; then 1059 error_exit "Cannot use '$first_python', Python >= 3.6 is required." \ 1060 "Use --python=/path/to/python to specify a supported Python." 1061 else 1062 error_exit "Python not found. Use --python=/path/to/python" 1063 fi 1064fi 1065 1066if ! has "$make" 1067then 1068 error_exit "GNU make ($make) not found" 1069fi 1070 1071if ! check_py_version "$python"; then 1072 error_exit "Cannot use '$python', Python >= 3.6 is required." \ 1073 "Use --python=/path/to/python to specify a supported Python." 1074fi 1075 1076# Resolve PATH + suppress writing compiled files 1077python="$(command -v "$python") -B" 1078 1079has_meson() { 1080 local python_dir=$(dirname "$python") 1081 # PEP405: pyvenv.cfg is either adjacent to the Python executable 1082 # or one directory above 1083 if test -f $python_dir/pyvenv.cfg || test -f $python_dir/../pyvenv.cfg; then 1084 # Ensure that Meson and Python come from the same virtual environment 1085 test -x "$python_dir/meson" && 1086 test "$(command -v meson)" -ef "$python_dir/meson" 1087 else 1088 has meson 1089 fi 1090} 1091 1092if test -z "$meson"; then 1093 if test "$explicit_python" = no && has_meson && version_ge "$(meson --version)" 0.61.5; then 1094 meson=meson 1095 elif test "$git_submodules_action" != 'ignore' ; then 1096 meson=git 1097 elif test -e "${source_path}/meson/meson.py" ; then 1098 meson=internal 1099 else 1100 if test "$explicit_python" = yes; then 1101 error_exit "--python requires using QEMU's embedded Meson distribution, but it was not found." 1102 else 1103 error_exit "Meson not found. Use --meson=/path/to/meson" 1104 fi 1105 fi 1106else 1107 # Meson uses its own Python interpreter to invoke other Python scripts, 1108 # but the user wants to use the one they specified with --python. 1109 # 1110 # We do not want to override the distro Python interpreter (and sometimes 1111 # cannot: for example in Homebrew /usr/bin/meson is a bash script), so 1112 # just require --meson=git|internal together with --python. 1113 if test "$explicit_python" = yes; then 1114 case "$meson" in 1115 git | internal) ;; 1116 *) error_exit "--python requires using QEMU's embedded Meson distribution." ;; 1117 esac 1118 fi 1119fi 1120 1121if test "$meson" = git; then 1122 git_submodules="${git_submodules} meson" 1123fi 1124 1125case "$meson" in 1126 git | internal) 1127 meson="$python ${source_path}/meson/meson.py" 1128 ;; 1129 *) meson=$(command -v "$meson") ;; 1130esac 1131 1132# Probe for ninja 1133 1134if test -z "$ninja"; then 1135 for c in ninja ninja-build samu; do 1136 if has $c; then 1137 ninja=$(command -v "$c") 1138 break 1139 fi 1140 done 1141 if test -z "$ninja"; then 1142 error_exit "Cannot find Ninja" 1143 fi 1144fi 1145 1146# Check that the C compiler works. Doing this here before testing 1147# the host CPU ensures that we had a valid CC to autodetect the 1148# $cpu var (and we should bail right here if that's not the case). 1149# It also allows the help message to be printed without a CC. 1150write_c_skeleton; 1151if compile_object ; then 1152 : C compiler works ok 1153else 1154 error_exit "\"$cc\" either does not exist or does not work" 1155fi 1156if ! compile_prog ; then 1157 error_exit "\"$cc\" cannot build an executable (is your linker broken?)" 1158fi 1159 1160# Consult white-list to determine whether to enable werror 1161# by default. Only enable by default for git builds 1162if test -z "$werror" ; then 1163 if test "$git_submodules_action" != "ignore" && \ 1164 { test "$linux" = "yes" || test "$mingw32" = "yes"; }; then 1165 werror="yes" 1166 else 1167 werror="no" 1168 fi 1169fi 1170 1171if test "$targetos" = "bogus"; then 1172 # Now that we know that we're not printing the help and that 1173 # the compiler works (so the results of the check_defines we used 1174 # to identify the OS are reliable), if we didn't recognize the 1175 # host OS we should stop now. 1176 error_exit "Unrecognized host OS (uname -s reports '$(uname -s)')" 1177fi 1178 1179# Check whether the compiler matches our minimum requirements: 1180cat > $TMPC << EOF 1181#if defined(__clang_major__) && defined(__clang_minor__) 1182# ifdef __apple_build_version__ 1183# if __clang_major__ < 12 || (__clang_major__ == 12 && __clang_minor__ < 0) 1184# error You need at least XCode Clang v12.0 to compile QEMU 1185# endif 1186# else 1187# if __clang_major__ < 10 || (__clang_major__ == 10 && __clang_minor__ < 0) 1188# error You need at least Clang v10.0 to compile QEMU 1189# endif 1190# endif 1191#elif defined(__GNUC__) && defined(__GNUC_MINOR__) 1192# if __GNUC__ < 7 || (__GNUC__ == 7 && __GNUC_MINOR__ < 4) 1193# error You need at least GCC v7.4.0 to compile QEMU 1194# endif 1195#else 1196# error You either need GCC or Clang to compiler QEMU 1197#endif 1198int main (void) { return 0; } 1199EOF 1200if ! compile_prog "" "" ; then 1201 error_exit "You need at least GCC v7.4 or Clang v10.0 (or XCode Clang v12.0)" 1202fi 1203 1204# Accumulate -Wfoo and -Wno-bar separately. 1205# We will list all of the enable flags first, and the disable flags second. 1206# Note that we do not add -Werror, because that would enable it for all 1207# configure tests. If a configure test failed due to -Werror this would 1208# just silently disable some features, so it's too error prone. 1209 1210warn_flags= 1211add_to warn_flags -Wundef 1212add_to warn_flags -Wwrite-strings 1213add_to warn_flags -Wmissing-prototypes 1214add_to warn_flags -Wstrict-prototypes 1215add_to warn_flags -Wredundant-decls 1216add_to warn_flags -Wold-style-declaration 1217add_to warn_flags -Wold-style-definition 1218add_to warn_flags -Wtype-limits 1219add_to warn_flags -Wformat-security 1220add_to warn_flags -Wformat-y2k 1221add_to warn_flags -Winit-self 1222add_to warn_flags -Wignored-qualifiers 1223add_to warn_flags -Wempty-body 1224add_to warn_flags -Wnested-externs 1225add_to warn_flags -Wendif-labels 1226add_to warn_flags -Wexpansion-to-defined 1227add_to warn_flags -Wimplicit-fallthrough=2 1228add_to warn_flags -Wmissing-format-attribute 1229add_to warn_flags -Wthread-safety 1230 1231nowarn_flags= 1232add_to nowarn_flags -Wno-initializer-overrides 1233add_to nowarn_flags -Wno-missing-include-dirs 1234add_to nowarn_flags -Wno-shift-negative-value 1235add_to nowarn_flags -Wno-string-plus-int 1236add_to nowarn_flags -Wno-typedef-redefinition 1237add_to nowarn_flags -Wno-tautological-type-limit-compare 1238add_to nowarn_flags -Wno-psabi 1239add_to nowarn_flags -Wno-gnu-variable-sized-type-not-at-end 1240 1241gcc_flags="$warn_flags $nowarn_flags" 1242 1243cc_has_warning_flag() { 1244 write_c_skeleton; 1245 1246 # Use the positive sense of the flag when testing for -Wno-wombat 1247 # support (gcc will happily accept the -Wno- form of unknown 1248 # warning options). 1249 optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')" 1250 compile_prog "-Werror $optflag" "" 1251} 1252 1253objcc_has_warning_flag() { 1254 cat > $TMPM <<EOF 1255int main(void) { return 0; } 1256EOF 1257 1258 # Use the positive sense of the flag when testing for -Wno-wombat 1259 # support (gcc will happily accept the -Wno- form of unknown 1260 # warning options). 1261 optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')" 1262 do_objc -Werror $optflag \ 1263 $OBJCFLAGS $EXTRA_OBJCFLAGS $CONFIGURE_OBJCFLAGS $QEMU_OBJCFLAGS \ 1264 -o $TMPE $TMPM $QEMU_LDFLAGS 1265} 1266 1267for flag in $gcc_flags; do 1268 if cc_has_warning_flag $flag ; then 1269 QEMU_CFLAGS="$QEMU_CFLAGS $flag" 1270 fi 1271 if objcc_has_warning_flag $flag ; then 1272 QEMU_OBJCFLAGS="$QEMU_OBJCFLAGS $flag" 1273 fi 1274done 1275 1276if test "$stack_protector" != "no"; then 1277 cat > $TMPC << EOF 1278int main(int argc, char *argv[]) 1279{ 1280 char arr[64], *p = arr, *c = argv[argc - 1]; 1281 while (*c) { 1282 *p++ = *c++; 1283 } 1284 return 0; 1285} 1286EOF 1287 gcc_flags="-fstack-protector-strong -fstack-protector-all" 1288 sp_on=0 1289 for flag in $gcc_flags; do 1290 # We need to check both a compile and a link, since some compiler 1291 # setups fail only on a .c->.o compile and some only at link time 1292 if compile_object "-Werror $flag" && 1293 compile_prog "-Werror $flag" ""; then 1294 QEMU_CFLAGS="$QEMU_CFLAGS $flag" 1295 QEMU_LDFLAGS="$QEMU_LDFLAGS $flag" 1296 sp_on=1 1297 break 1298 fi 1299 done 1300 if test "$stack_protector" = yes; then 1301 if test $sp_on = 0; then 1302 error_exit "Stack protector not supported" 1303 fi 1304 fi 1305fi 1306 1307# Our module code doesn't support Windows 1308if test "$modules" = "yes" && test "$mingw32" = "yes" ; then 1309 error_exit "Modules are not available for Windows" 1310fi 1311 1312# Static linking is not possible with plugins, modules or PIE 1313if test "$static" = "yes" ; then 1314 if test "$modules" = "yes" ; then 1315 error_exit "static and modules are mutually incompatible" 1316 fi 1317 if test "$plugins" = "yes"; then 1318 error_exit "static and plugins are mutually incompatible" 1319 else 1320 plugins="no" 1321 fi 1322fi 1323test "$plugins" = "" && plugins=yes 1324 1325cat > $TMPC << EOF 1326 1327#ifdef __linux__ 1328# define THREAD __thread 1329#else 1330# define THREAD 1331#endif 1332static THREAD int tls_var; 1333int main(void) { return tls_var; } 1334EOF 1335 1336# Meson currently only handles pie as a boolean for now so if we have 1337# explicitly disabled PIE we need to extend our cflags because it wont. 1338if test "$static" = "yes"; then 1339 if test "$pie" != "no" && compile_prog "-Werror -fPIE -DPIE" "-static-pie"; then 1340 CONFIGURE_CFLAGS="-fPIE -DPIE $CONFIGURE_CFLAGS" 1341 pie="yes" 1342 elif test "$pie" = "yes"; then 1343 error_exit "-static-pie not available due to missing toolchain support" 1344 else 1345 pie="no" 1346 QEMU_CFLAGS="-fno-pie -no-pie $QEMU_CFLAGS" 1347 fi 1348elif test "$pie" = "no"; then 1349 if compile_prog "-Werror -fno-pie" "-no-pie"; then 1350 CONFIGURE_CFLAGS="-fno-pie $CONFIGURE_CFLAGS" 1351 CONFIGURE_LDFLAGS="-no-pie $CONFIGURE_LDFLAGS" 1352 QEMU_CFLAGS="-fno-pie -no-pie $QEMU_CFLAGS" 1353 fi 1354elif compile_prog "-Werror -fPIE -DPIE" "-pie"; then 1355 CONFIGURE_CFLAGS="-fPIE -DPIE $CONFIGURE_CFLAGS" 1356 CONFIGURE_LDFLAGS="-pie $CONFIGURE_LDFLAGS" 1357 pie="yes" 1358elif test "$pie" = "yes"; then 1359 error_exit "PIE not available due to missing toolchain support" 1360else 1361 echo "Disabling PIE due to missing toolchain support" 1362 pie="no" 1363fi 1364 1365########################################## 1366# __sync_fetch_and_and requires at least -march=i486. Many toolchains 1367# use i686 as default anyway, but for those that don't, an explicit 1368# specification is necessary 1369 1370if test "$cpu" = "i386"; then 1371 cat > $TMPC << EOF 1372static int sfaa(int *ptr) 1373{ 1374 return __sync_fetch_and_and(ptr, 0); 1375} 1376 1377int main(void) 1378{ 1379 int val = 42; 1380 val = __sync_val_compare_and_swap(&val, 0, 1); 1381 sfaa(&val); 1382 return val; 1383} 1384EOF 1385 if ! compile_prog "" "" ; then 1386 QEMU_CFLAGS="-march=i486 $QEMU_CFLAGS" 1387 fi 1388fi 1389 1390if test -z "${target_list+xxx}" ; then 1391 default_targets=yes 1392 for target in $default_target_list; do 1393 target_list="$target_list $target" 1394 done 1395 target_list="${target_list# }" 1396else 1397 default_targets=no 1398 target_list=$(echo "$target_list" | sed -e 's/,/ /g') 1399 for target in $target_list; do 1400 # Check that we recognised the target name; this allows a more 1401 # friendly error message than if we let it fall through. 1402 case " $default_target_list " in 1403 *" $target "*) 1404 ;; 1405 *) 1406 error_exit "Unknown target name '$target'" 1407 ;; 1408 esac 1409 done 1410fi 1411 1412# see if system emulation was really requested 1413case " $target_list " in 1414 *"-softmmu "*) softmmu=yes 1415 ;; 1416 *) softmmu=no 1417 ;; 1418esac 1419 1420if test "$tcg" = "auto"; then 1421 if test -z "$target_list"; then 1422 tcg="disabled" 1423 else 1424 tcg="enabled" 1425 fi 1426fi 1427 1428if test "$tcg" = "enabled"; then 1429 git_submodules="$git_submodules tests/fp/berkeley-testfloat-3" 1430 git_submodules="$git_submodules tests/fp/berkeley-softfloat-3" 1431fi 1432 1433########################################## 1434# big/little endian test 1435cat > $TMPC << EOF 1436#if defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ 1437# error LITTLE 1438#endif 1439int main(void) { return 0; } 1440EOF 1441 1442if ! compile_prog ; then 1443 bigendian="no" 1444else 1445 cat > $TMPC << EOF 1446#if defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ 1447# error BIG 1448#endif 1449int main(void) { return 0; } 1450EOF 1451 1452 if ! compile_prog ; then 1453 bigendian="yes" 1454 else 1455 echo big/little test failed 1456 exit 1 1457 fi 1458fi 1459 1460########################################## 1461# pkg-config probe 1462 1463if ! has "$pkg_config_exe"; then 1464 error_exit "pkg-config binary '$pkg_config_exe' not found" 1465fi 1466 1467########################################## 1468# glib support probe 1469 1470# When bumping glib_req_ver, please check also whether we should increase 1471# the _WIN32_WINNT setting in osdep.h according to the value from glib 1472glib_req_ver=2.56 1473glib_modules=gthread-2.0 1474if test "$modules" = yes; then 1475 glib_modules="$glib_modules gmodule-export-2.0" 1476elif test "$plugins" = "yes"; then 1477 glib_modules="$glib_modules gmodule-no-export-2.0" 1478fi 1479 1480for i in $glib_modules; do 1481 if $pkg_config --atleast-version=$glib_req_ver $i; then 1482 glib_cflags=$($pkg_config --cflags $i) 1483 glib_libs=$($pkg_config --libs $i) 1484 else 1485 error_exit "glib-$glib_req_ver $i is required to compile QEMU" 1486 fi 1487done 1488 1489glib_bindir="$($pkg_config --variable=bindir glib-2.0)" 1490if test -z "$glib_bindir" ; then 1491 glib_bindir="$($pkg_config --variable=prefix glib-2.0)"/bin 1492fi 1493 1494# This workaround is required due to a bug in pkg-config file for glib as it 1495# doesn't define GLIB_STATIC_COMPILATION for pkg-config --static 1496 1497if test "$static" = yes && test "$mingw32" = yes; then 1498 glib_cflags="-DGLIB_STATIC_COMPILATION $glib_cflags" 1499fi 1500 1501# Sanity check that the current size_t matches the 1502# size that glib thinks it should be. This catches 1503# problems on multi-arch where people try to build 1504# 32-bit QEMU while pointing at 64-bit glib headers 1505cat > $TMPC <<EOF 1506#include <glib.h> 1507#include <unistd.h> 1508 1509#define QEMU_BUILD_BUG_ON(x) \ 1510 typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused)); 1511 1512int main(void) { 1513 QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T); 1514 return 0; 1515} 1516EOF 1517 1518if ! compile_prog "$glib_cflags" "$glib_libs" ; then 1519 error_exit "sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T."\ 1520 "You probably need to set PKG_CONFIG_LIBDIR"\ 1521 "to point to the right pkg-config files for your"\ 1522 "build target" 1523fi 1524 1525# Silence clang warnings triggered by glib < 2.57.2 1526cat > $TMPC << EOF 1527#include <glib.h> 1528typedef struct Foo { 1529 int i; 1530} Foo; 1531static void foo_free(Foo *f) 1532{ 1533 g_free(f); 1534} 1535G_DEFINE_AUTOPTR_CLEANUP_FUNC(Foo, foo_free) 1536int main(void) { return 0; } 1537EOF 1538if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then 1539 if cc_has_warning_flag "-Wno-unused-function"; then 1540 glib_cflags="$glib_cflags -Wno-unused-function" 1541 CONFIGURE_CFLAGS="$CONFIGURE_CFLAGS -Wno-unused-function" 1542 fi 1543fi 1544 1545########################################## 1546# fdt probe 1547 1548case "$fdt" in 1549 auto | enabled | internal) 1550 # Simpler to always update submodule, even if not needed. 1551 git_submodules="${git_submodules} dtc" 1552 ;; 1553esac 1554 1555########################################## 1556# check and set a backend for coroutine 1557 1558# We prefer ucontext, but it's not always possible. The fallback 1559# is sigcontext. On Windows the only valid backend is the Windows 1560# specific one. 1561 1562ucontext_works=no 1563if test "$darwin" != "yes"; then 1564 cat > $TMPC << EOF 1565#include <ucontext.h> 1566#ifdef __stub_makecontext 1567#error Ignoring glibc stub makecontext which will always fail 1568#endif 1569int main(void) { makecontext(0, 0, 0); return 0; } 1570EOF 1571 if compile_prog "" "" ; then 1572 ucontext_works=yes 1573 fi 1574fi 1575 1576if test "$coroutine" = ""; then 1577 if test "$mingw32" = "yes"; then 1578 coroutine=win32 1579 elif test "$ucontext_works" = "yes"; then 1580 coroutine=ucontext 1581 else 1582 coroutine=sigaltstack 1583 fi 1584else 1585 case $coroutine in 1586 windows) 1587 if test "$mingw32" != "yes"; then 1588 error_exit "'windows' coroutine backend only valid for Windows" 1589 fi 1590 # Unfortunately the user visible backend name doesn't match the 1591 # coroutine-*.c filename for this case, so we have to adjust it here. 1592 coroutine=win32 1593 ;; 1594 ucontext) 1595 if test "$ucontext_works" != "yes"; then 1596 error_exit "'ucontext' backend requested but makecontext not available" 1597 fi 1598 ;; 1599 sigaltstack) 1600 if test "$mingw32" = "yes"; then 1601 error_exit "only the 'windows' coroutine backend is valid for Windows" 1602 fi 1603 ;; 1604 *) 1605 error_exit "unknown coroutine backend $coroutine" 1606 ;; 1607 esac 1608fi 1609 1610################################################## 1611# SafeStack 1612 1613 1614if test "$safe_stack" = "yes"; then 1615cat > $TMPC << EOF 1616int main(void) 1617{ 1618#if ! __has_feature(safe_stack) 1619#error SafeStack Disabled 1620#endif 1621 return 0; 1622} 1623EOF 1624 flag="-fsanitize=safe-stack" 1625 # Check that safe-stack is supported and enabled. 1626 if compile_prog "-Werror $flag" "$flag"; then 1627 # Flag needed both at compilation and at linking 1628 QEMU_CFLAGS="$QEMU_CFLAGS $flag" 1629 QEMU_LDFLAGS="$QEMU_LDFLAGS $flag" 1630 else 1631 error_exit "SafeStack not supported by your compiler" 1632 fi 1633 if test "$coroutine" != "ucontext"; then 1634 error_exit "SafeStack is only supported by the coroutine backend ucontext" 1635 fi 1636else 1637cat > $TMPC << EOF 1638int main(void) 1639{ 1640#if defined(__has_feature) 1641#if __has_feature(safe_stack) 1642#error SafeStack Enabled 1643#endif 1644#endif 1645 return 0; 1646} 1647EOF 1648if test "$safe_stack" = "no"; then 1649 # Make sure that safe-stack is disabled 1650 if ! compile_prog "-Werror" ""; then 1651 # SafeStack was already enabled, try to explicitly remove the feature 1652 flag="-fno-sanitize=safe-stack" 1653 if ! compile_prog "-Werror $flag" "$flag"; then 1654 error_exit "Configure cannot disable SafeStack" 1655 fi 1656 QEMU_CFLAGS="$QEMU_CFLAGS $flag" 1657 QEMU_LDFLAGS="$QEMU_LDFLAGS $flag" 1658 fi 1659else # "$safe_stack" = "" 1660 # Set safe_stack to yes or no based on pre-existing flags 1661 if compile_prog "-Werror" ""; then 1662 safe_stack="no" 1663 else 1664 safe_stack="yes" 1665 if test "$coroutine" != "ucontext"; then 1666 error_exit "SafeStack is only supported by the coroutine backend ucontext" 1667 fi 1668 fi 1669fi 1670fi 1671 1672######################################## 1673# check if ccache is interfering with 1674# semantic analysis of macros 1675 1676unset CCACHE_CPP2 1677ccache_cpp2=no 1678cat > $TMPC << EOF 1679static const int Z = 1; 1680#define fn() ({ Z; }) 1681#define TAUT(X) ((X) == Z) 1682#define PAREN(X, Y) (X == Y) 1683#define ID(X) (X) 1684int main(void) 1685{ 1686 int x = 0, y = 0; 1687 x = ID(x); 1688 x = fn(); 1689 fn(); 1690 if (PAREN(x, y)) return 0; 1691 if (TAUT(Z)) return 0; 1692 return 0; 1693} 1694EOF 1695 1696if ! compile_object "-Werror"; then 1697 ccache_cpp2=yes 1698fi 1699 1700################################################# 1701# clang does not support glibc + FORTIFY_SOURCE. 1702 1703if test "$fortify_source" != "no"; then 1704 if echo | $cc -dM -E - | grep __clang__ > /dev/null 2>&1 ; then 1705 fortify_source="no"; 1706 elif test -n "$cxx" && has $cxx && 1707 echo | $cxx -dM -E - | grep __clang__ >/dev/null 2>&1 ; then 1708 fortify_source="no"; 1709 else 1710 fortify_source="yes" 1711 fi 1712fi 1713 1714########################################## 1715# checks for sanitizers 1716 1717have_asan=no 1718have_ubsan=no 1719have_asan_iface_h=no 1720have_asan_iface_fiber=no 1721 1722if test "$sanitizers" = "yes" ; then 1723 write_c_skeleton 1724 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" ""; then 1725 have_asan=yes 1726 fi 1727 1728 # we could use a simple skeleton for flags checks, but this also 1729 # detect the static linking issue of ubsan, see also: 1730 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84285 1731 cat > $TMPC << EOF 1732#include <stdlib.h> 1733int main(void) { 1734 void *tmp = malloc(10); 1735 if (tmp != NULL) { 1736 return *(int *)(tmp + 2); 1737 } 1738 return 1; 1739} 1740EOF 1741 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=undefined" ""; then 1742 have_ubsan=yes 1743 fi 1744 1745 if check_include "sanitizer/asan_interface.h" ; then 1746 have_asan_iface_h=yes 1747 fi 1748 1749 cat > $TMPC << EOF 1750#include <sanitizer/asan_interface.h> 1751int main(void) { 1752 __sanitizer_start_switch_fiber(0, 0, 0); 1753 return 0; 1754} 1755EOF 1756 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" "" ; then 1757 have_asan_iface_fiber=yes 1758 fi 1759fi 1760 1761# Thread sanitizer is, for now, much noisier than the other sanitizers; 1762# keep it separate until that is not the case. 1763if test "$tsan" = "yes" && test "$sanitizers" = "yes"; then 1764 error_exit "TSAN is not supported with other sanitiziers." 1765fi 1766have_tsan=no 1767have_tsan_iface_fiber=no 1768if test "$tsan" = "yes" ; then 1769 write_c_skeleton 1770 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then 1771 have_tsan=yes 1772 fi 1773 cat > $TMPC << EOF 1774#include <sanitizer/tsan_interface.h> 1775int main(void) { 1776 __tsan_create_fiber(0); 1777 return 0; 1778} 1779EOF 1780 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then 1781 have_tsan_iface_fiber=yes 1782 fi 1783fi 1784 1785########################################## 1786# functions to probe cross compilers 1787 1788container="no" 1789if test $use_containers = "yes" && (has "docker" || has "podman"); then 1790 case $($python "$source_path"/tests/docker/docker.py probe) in 1791 *docker) container=docker ;; 1792 podman) container=podman ;; 1793 no) container=no ;; 1794 esac 1795 if test "$container" != "no"; then 1796 docker_py="$python $source_path/tests/docker/docker.py --engine $container" 1797 fi 1798fi 1799 1800# cross compilers defaults, can be overridden with --cross-cc-ARCH 1801: ${cross_prefix_aarch64="aarch64-linux-gnu-"} 1802: ${cross_prefix_aarch64_be="$cross_prefix_aarch64"} 1803: ${cross_prefix_alpha="alpha-linux-gnu-"} 1804: ${cross_prefix_arm="arm-linux-gnueabihf-"} 1805: ${cross_prefix_armeb="$cross_prefix_arm"} 1806: ${cross_prefix_hexagon="hexagon-unknown-linux-musl-"} 1807: ${cross_prefix_loongarch64="loongarch64-unknown-linux-gnu-"} 1808: ${cross_prefix_hppa="hppa-linux-gnu-"} 1809: ${cross_prefix_i386="i686-linux-gnu-"} 1810: ${cross_prefix_m68k="m68k-linux-gnu-"} 1811: ${cross_prefix_microblaze="microblaze-linux-musl-"} 1812: ${cross_prefix_mips64el="mips64el-linux-gnuabi64-"} 1813: ${cross_prefix_mips64="mips64-linux-gnuabi64-"} 1814: ${cross_prefix_mipsel="mipsel-linux-gnu-"} 1815: ${cross_prefix_mips="mips-linux-gnu-"} 1816: ${cross_prefix_nios2="nios2-linux-gnu-"} 1817: ${cross_prefix_ppc="powerpc-linux-gnu-"} 1818: ${cross_prefix_ppc64="powerpc64-linux-gnu-"} 1819: ${cross_prefix_ppc64le="$cross_prefix_ppc64"} 1820: ${cross_prefix_riscv64="riscv64-linux-gnu-"} 1821: ${cross_prefix_s390x="s390x-linux-gnu-"} 1822: ${cross_prefix_sh4="sh4-linux-gnu-"} 1823: ${cross_prefix_sparc64="sparc64-linux-gnu-"} 1824: ${cross_prefix_sparc="$cross_prefix_sparc64"} 1825: ${cross_prefix_x86_64="x86_64-linux-gnu-"} 1826 1827: ${cross_cc_aarch64_be="$cross_cc_aarch64"} 1828: ${cross_cc_cflags_aarch64_be="-mbig-endian"} 1829: ${cross_cc_armeb="$cross_cc_arm"} 1830: ${cross_cc_cflags_armeb="-mbig-endian"} 1831: ${cross_cc_hexagon="hexagon-unknown-linux-musl-clang"} 1832: ${cross_cc_cflags_hexagon="-mv67 -O2 -static"} 1833: ${cross_cc_cflags_i386="-m32"} 1834: ${cross_cc_cflags_ppc="-m32 -mbig-endian"} 1835: ${cross_cc_cflags_ppc64="-m64 -mbig-endian"} 1836: ${cross_cc_ppc64le="$cross_cc_ppc64"} 1837: ${cross_cc_cflags_ppc64le="-m64 -mlittle-endian"} 1838: ${cross_cc_cflags_sparc64="-m64 -mcpu=ultrasparc"} 1839: ${cross_cc_sparc="$cross_cc_sparc64"} 1840: ${cross_cc_cflags_sparc="-m32 -mcpu=supersparc"} 1841: ${cross_cc_cflags_x86_64="-m64"} 1842 1843compute_target_variable() { 1844 eval "$2=" 1845 if eval test -n "\"\${cross_prefix_$1}\""; then 1846 if eval has "\"\${cross_prefix_$1}\$3\""; then 1847 eval "$2=\"\${cross_prefix_$1}\$3\"" 1848 fi 1849 fi 1850} 1851 1852have_target() { 1853 for i; do 1854 case " $target_list " in 1855 *" $i "*) return 0;; 1856 *) ;; 1857 esac 1858 done 1859 return 1 1860} 1861 1862# probe_target_compiler TARGET 1863# 1864# Look for a compiler for the given target, either native or cross. 1865# Set variables target_* if a compiler is found, and container_cross_* 1866# if a Docker-based cross-compiler image is known for the target. 1867# Set got_cross_cc to yes/no depending on whether a non-container-based 1868# compiler was found. 1869# 1870# If TARGET is a user-mode emulation target, also set build_static to 1871# "y" if static linking is possible. 1872# 1873probe_target_compiler() { 1874 # reset all output variables 1875 got_cross_cc=no 1876 container_image= 1877 container_hosts= 1878 container_cross_cc= 1879 container_cross_ar= 1880 container_cross_as= 1881 container_cross_ld= 1882 container_cross_nm= 1883 container_cross_objcopy= 1884 container_cross_ranlib= 1885 container_cross_strip= 1886 1887 # We shall skip configuring the target compiler if the user didn't 1888 # bother enabling an appropriate guest. This avoids building 1889 # extraneous firmware images and tests. 1890 if test "${target_list#*$1}" = "$1"; then 1891 return 1 1892 fi 1893 1894 target_arch=${1%%-*} 1895 case $target_arch in 1896 aarch64) container_hosts="x86_64 aarch64" ;; 1897 alpha) container_hosts=x86_64 ;; 1898 arm) container_hosts="x86_64 aarch64" ;; 1899 cris) container_hosts=x86_64 ;; 1900 hexagon) container_hosts=x86_64 ;; 1901 hppa) container_hosts=x86_64 ;; 1902 i386) container_hosts=x86_64 ;; 1903 loongarch64) container_hosts=x86_64 ;; 1904 m68k) container_hosts=x86_64 ;; 1905 microblaze) container_hosts=x86_64 ;; 1906 mips64el) container_hosts=x86_64 ;; 1907 mips64) container_hosts=x86_64 ;; 1908 mipsel) container_hosts=x86_64 ;; 1909 mips) container_hosts=x86_64 ;; 1910 nios2) container_hosts=x86_64 ;; 1911 ppc) container_hosts=x86_64 ;; 1912 ppc64|ppc64le) container_hosts=x86_64 ;; 1913 riscv64) container_hosts=x86_64 ;; 1914 s390x) container_hosts=x86_64 ;; 1915 sh4) container_hosts=x86_64 ;; 1916 sparc64) container_hosts=x86_64 ;; 1917 tricore) container_hosts=x86_64 ;; 1918 x86_64) container_hosts="aarch64 ppc64el x86_64" ;; 1919 xtensa*) container_hosts=x86_64 ;; 1920 esac 1921 1922 for host in $container_hosts; do 1923 test "$container" != no || continue 1924 test "$host" = "$cpu" || continue 1925 case $target_arch in 1926 aarch64) 1927 # We don't have any bigendian build tools so we only use this for AArch64 1928 container_image=debian-arm64-cross 1929 container_cross_prefix=aarch64-linux-gnu- 1930 container_cross_cc=${container_cross_prefix}gcc-10 1931 ;; 1932 alpha) 1933 container_image=debian-alpha-cross 1934 container_cross_prefix=alpha-linux-gnu- 1935 ;; 1936 arm) 1937 # We don't have any bigendian build tools so we only use this for ARM 1938 container_image=debian-armhf-cross 1939 container_cross_prefix=arm-linux-gnueabihf- 1940 ;; 1941 cris) 1942 container_image=fedora-cris-cross 1943 container_cross_prefix=cris-linux-gnu- 1944 ;; 1945 hexagon) 1946 container_image=debian-hexagon-cross 1947 container_cross_prefix=hexagon-unknown-linux-musl- 1948 container_cross_cc=${container_cross_prefix}clang 1949 ;; 1950 hppa) 1951 container_image=debian-hppa-cross 1952 container_cross_prefix=hppa-linux-gnu- 1953 ;; 1954 i386) 1955 container_image=fedora-i386-cross 1956 container_cross_prefix= 1957 ;; 1958 loongarch64) 1959 container_image=debian-loongarch-cross 1960 container_cross_prefix=loongarch64-unknown-linux-gnu- 1961 ;; 1962 m68k) 1963 container_image=debian-m68k-cross 1964 container_cross_prefix=m68k-linux-gnu- 1965 ;; 1966 microblaze) 1967 container_image=debian-microblaze-cross 1968 container_cross_prefix=microblaze-linux-musl- 1969 ;; 1970 mips64el) 1971 container_image=debian-mips64el-cross 1972 container_cross_prefix=mips64el-linux-gnuabi64- 1973 ;; 1974 mips64) 1975 container_image=debian-mips64-cross 1976 container_cross_prefix=mips64-linux-gnuabi64- 1977 ;; 1978 mipsel) 1979 container_image=debian-mipsel-cross 1980 container_cross_prefix=mipsel-linux-gnu- 1981 ;; 1982 mips) 1983 container_image=debian-mips-cross 1984 container_cross_prefix=mips-linux-gnu- 1985 ;; 1986 nios2) 1987 container_image=debian-nios2-cross 1988 container_cross_prefix=nios2-linux-gnu- 1989 ;; 1990 ppc) 1991 container_image=debian-powerpc-test-cross 1992 container_cross_prefix=powerpc-linux-gnu- 1993 container_cross_cc=${container_cross_prefix}gcc-10 1994 ;; 1995 ppc64|ppc64le) 1996 container_image=debian-powerpc-test-cross 1997 container_cross_prefix=powerpc${target_arch#ppc}-linux-gnu- 1998 container_cross_cc=${container_cross_prefix}gcc-10 1999 ;; 2000 riscv64) 2001 container_image=debian-riscv64-test-cross 2002 container_cross_prefix=riscv64-linux-gnu- 2003 ;; 2004 s390x) 2005 container_image=debian-s390x-cross 2006 container_cross_prefix=s390x-linux-gnu- 2007 ;; 2008 sh4) 2009 container_image=debian-sh4-cross 2010 container_cross_prefix=sh4-linux-gnu- 2011 ;; 2012 sparc64) 2013 container_image=debian-sparc64-cross 2014 container_cross_prefix=sparc64-linux-gnu- 2015 ;; 2016 tricore) 2017 container_image=debian-tricore-cross 2018 container_cross_prefix=tricore- 2019 container_cross_as=tricore-as 2020 container_cross_ld=tricore-ld 2021 break 2022 ;; 2023 x86_64) 2024 container_image=debian-amd64-cross 2025 container_cross_prefix=x86_64-linux-gnu- 2026 ;; 2027 xtensa*) 2028 container_hosts=x86_64 2029 container_image=debian-xtensa-cross 2030 2031 # default to the dc232b cpu 2032 container_cross_prefix=/opt/2020.07/xtensa-dc232b-elf/bin/xtensa-dc232b-elf- 2033 ;; 2034 esac 2035 : ${container_cross_cc:=${container_cross_prefix}gcc} 2036 : ${container_cross_ar:=${container_cross_prefix}ar} 2037 : ${container_cross_as:=${container_cross_prefix}as} 2038 : ${container_cross_ld:=${container_cross_prefix}ld} 2039 : ${container_cross_nm:=${container_cross_prefix}nm} 2040 : ${container_cross_objcopy:=${container_cross_prefix}objcopy} 2041 : ${container_cross_ranlib:=${container_cross_prefix}ranlib} 2042 : ${container_cross_strip:=${container_cross_prefix}strip} 2043 done 2044 2045 try=cross 2046 case "$target_arch:$cpu" in 2047 aarch64_be:aarch64 | \ 2048 armeb:arm | \ 2049 i386:x86_64 | \ 2050 mips*:mips64 | \ 2051 ppc*:ppc64 | \ 2052 sparc:sparc64 | \ 2053 "$cpu:$cpu") 2054 try='native cross' ;; 2055 esac 2056 eval "target_cflags=\${cross_cc_cflags_$target_arch}" 2057 for thistry in $try; do 2058 case $thistry in 2059 native) 2060 target_cc=$cc 2061 target_ccas=$ccas 2062 target_ar=$ar 2063 target_as=$as 2064 target_ld=$ld 2065 target_nm=$nm 2066 target_objcopy=$objcopy 2067 target_ranlib=$ranlib 2068 target_strip=$strip 2069 ;; 2070 cross) 2071 target_cc= 2072 if eval test -n "\"\${cross_cc_$target_arch}\""; then 2073 if eval has "\"\${cross_cc_$target_arch}\""; then 2074 eval "target_cc=\"\${cross_cc_$target_arch}\"" 2075 fi 2076 else 2077 compute_target_variable $target_arch target_cc gcc 2078 fi 2079 target_ccas=$target_cc 2080 compute_target_variable $target_arch target_ar ar 2081 compute_target_variable $target_arch target_as as 2082 compute_target_variable $target_arch target_ld ld 2083 compute_target_variable $target_arch target_nm nm 2084 compute_target_variable $target_arch target_objcopy objcopy 2085 compute_target_variable $target_arch target_ranlib ranlib 2086 compute_target_variable $target_arch target_strip strip 2087 ;; 2088 esac 2089 2090 if test -n "$target_cc"; then 2091 case $target_arch in 2092 i386|x86_64) 2093 if $target_cc --version | grep -qi "clang"; then 2094 continue 2095 fi 2096 ;; 2097 esac 2098 elif test -n "$target_as" && test -n "$target_ld"; then 2099 # Special handling for assembler only targets 2100 case $target in 2101 tricore-softmmu) 2102 build_static= 2103 got_cross_cc=yes 2104 break 2105 ;; 2106 *) 2107 continue 2108 ;; 2109 esac 2110 else 2111 continue 2112 fi 2113 2114 write_c_skeleton 2115 case $1 in 2116 *-softmmu) 2117 if do_compiler "$target_cc" $target_cflags -o $TMPO -c $TMPC && 2118 do_compiler "$target_cc" $target_cflags -r -nostdlib -o "${TMPDIR1}/${TMPB}2.o" "$TMPO" -lgcc; then 2119 got_cross_cc=yes 2120 break 2121 fi 2122 ;; 2123 *) 2124 if do_compiler "$target_cc" $target_cflags -o $TMPE $TMPC -static ; then 2125 build_static=y 2126 got_cross_cc=yes 2127 break 2128 fi 2129 if do_compiler "$target_cc" $target_cflags -o $TMPE $TMPC ; then 2130 build_static= 2131 got_cross_cc=yes 2132 break 2133 fi 2134 ;; 2135 esac 2136 done 2137 if test $got_cross_cc != yes; then 2138 build_static= 2139 target_cc= 2140 target_ccas= 2141 target_ar= 2142 target_as= 2143 target_ld= 2144 target_nm= 2145 target_objcopy= 2146 target_ranlib= 2147 target_strip= 2148 fi 2149 test -n "$target_cc" 2150} 2151 2152write_target_makefile() { 2153 echo "EXTRA_CFLAGS=$target_cflags" 2154 if test -z "$target_cc" && test -z "$target_as"; then 2155 test -z "$container_image" && error_exit "Internal error: could not find cross compiler for $1?" 2156 echo "$1: docker-image-$container_image" >> Makefile.prereqs 2157 if test -n "$container_cross_cc"; then 2158 echo "CC=$docker_py cc --cc $container_cross_cc -i qemu/$container_image -s $source_path --" 2159 echo "CCAS=$docker_py cc --cc $container_cross_cc -i qemu/$container_image -s $source_path --" 2160 fi 2161 echo "AR=$docker_py cc --cc $container_cross_ar -i qemu/$container_image -s $source_path --" 2162 echo "AS=$docker_py cc --cc $container_cross_as -i qemu/$container_image -s $source_path --" 2163 echo "LD=$docker_py cc --cc $container_cross_ld -i qemu/$container_image -s $source_path --" 2164 echo "NM=$docker_py cc --cc $container_cross_nm -i qemu/$container_image -s $source_path --" 2165 echo "OBJCOPY=$docker_py cc --cc $container_cross_objcopy -i qemu/$container_image -s $source_path --" 2166 echo "RANLIB=$docker_py cc --cc $container_cross_ranlib -i qemu/$container_image -s $source_path --" 2167 echo "STRIP=$docker_py cc --cc $container_cross_strip -i qemu/$container_image -s $source_path --" 2168 else 2169 if test -n "$target_cc"; then 2170 echo "CC=$target_cc" 2171 echo "CCAS=$target_ccas" 2172 fi 2173 if test -n "$target_ar"; then 2174 echo "AR=$target_ar" 2175 fi 2176 if test -n "$target_as"; then 2177 echo "AS=$target_as" 2178 fi 2179 if test -n "$target_ld"; then 2180 echo "LD=$target_ld" 2181 fi 2182 if test -n "$target_nm"; then 2183 echo "NM=$target_nm" 2184 fi 2185 if test -n "$target_objcopy"; then 2186 echo "OBJCOPY=$target_objcopy" 2187 fi 2188 if test -n "$target_ranlib"; then 2189 echo "RANLIB=$target_ranlib" 2190 fi 2191 if test -n "$target_strip"; then 2192 echo "STRIP=$target_strip" 2193 fi 2194 fi 2195} 2196 2197########################################## 2198# check for vfio_user_server 2199 2200case "$vfio_user_server" in 2201 enabled ) 2202 if test "$git_submodules_action" != "ignore"; then 2203 git_submodules="${git_submodules} subprojects/libvfio-user" 2204 fi 2205 ;; 2206esac 2207 2208########################################## 2209# End of CC checks 2210# After here, no more $cc or $ld runs 2211 2212write_c_skeleton 2213 2214if test "$fortify_source" = "yes" ; then 2215 QEMU_CFLAGS="-U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $QEMU_CFLAGS" 2216fi 2217 2218if test "$have_asan" = "yes"; then 2219 QEMU_CFLAGS="-fsanitize=address $QEMU_CFLAGS" 2220 QEMU_LDFLAGS="-fsanitize=address $QEMU_LDFLAGS" 2221 if test "$have_asan_iface_h" = "no" ; then 2222 echo "ASAN build enabled, but ASAN header missing." \ 2223 "Without code annotation, the report may be inferior." 2224 elif test "$have_asan_iface_fiber" = "no" ; then 2225 echo "ASAN build enabled, but ASAN header is too old." \ 2226 "Without code annotation, the report may be inferior." 2227 fi 2228fi 2229if test "$have_tsan" = "yes" ; then 2230 if test "$have_tsan_iface_fiber" = "yes" ; then 2231 QEMU_CFLAGS="-fsanitize=thread $QEMU_CFLAGS" 2232 QEMU_LDFLAGS="-fsanitize=thread $QEMU_LDFLAGS" 2233 else 2234 error_exit "Cannot enable TSAN due to missing fiber annotation interface." 2235 fi 2236elif test "$tsan" = "yes" ; then 2237 error_exit "Cannot enable TSAN due to missing sanitize thread interface." 2238fi 2239if test "$have_ubsan" = "yes"; then 2240 QEMU_CFLAGS="-fsanitize=undefined $QEMU_CFLAGS" 2241 QEMU_LDFLAGS="-fsanitize=undefined $QEMU_LDFLAGS" 2242fi 2243 2244####################################### 2245# cross-compiled firmware targets 2246 2247# Set up build tree symlinks that point back into the source tree 2248# (these can be both files and directories). 2249# Caution: avoid adding files or directories here using wildcards. This 2250# will result in problems later if a new file matching the wildcard is 2251# added to the source tree -- nothing will cause configure to be rerun 2252# so the build tree will be missing the link back to the new file, and 2253# tests might fail. Prefer to keep the relevant files in their own 2254# directory and symlink the directory instead. 2255LINKS="Makefile" 2256LINKS="$LINKS pc-bios/optionrom/Makefile" 2257LINKS="$LINKS pc-bios/s390-ccw/Makefile" 2258LINKS="$LINKS pc-bios/vof/Makefile" 2259LINKS="$LINKS .gdbinit scripts" # scripts needed by relative path in .gdbinit 2260LINKS="$LINKS tests/avocado tests/data" 2261LINKS="$LINKS tests/qemu-iotests/check" 2262LINKS="$LINKS python" 2263LINKS="$LINKS contrib/plugins/Makefile " 2264for f in $LINKS ; do 2265 if [ -e "$source_path/$f" ]; then 2266 mkdir -p "$(dirname ./"$f")" 2267 symlink "$source_path/$f" "$f" 2268 fi 2269done 2270 2271echo "# Automatically generated by configure - do not modify" > Makefile.prereqs 2272 2273# Mac OS X ships with a broken assembler 2274roms= 2275if have_target i386-softmmu x86_64-softmmu && \ 2276 test "$targetos" != "darwin" && test "$targetos" != "sunos" && \ 2277 test "$targetos" != "haiku" && \ 2278 probe_target_compiler i386-softmmu; then 2279 roms="pc-bios/optionrom" 2280 config_mak=pc-bios/optionrom/config.mak 2281 echo "# Automatically generated by configure - do not modify" > $config_mak 2282 echo "TOPSRC_DIR=$source_path" >> $config_mak 2283 write_target_makefile >> $config_mak 2284fi 2285 2286if have_target ppc-softmmu ppc64-softmmu && \ 2287 probe_target_compiler ppc-softmmu; then 2288 roms="$roms pc-bios/vof" 2289 config_mak=pc-bios/vof/config.mak 2290 echo "# Automatically generated by configure - do not modify" > $config_mak 2291 echo "SRC_DIR=$source_path/pc-bios/vof" >> $config_mak 2292 write_target_makefile >> $config_mak 2293fi 2294 2295# Only build s390-ccw bios if the compiler has -march=z900 or -march=z10 2296# (which is the lowest architecture level that Clang supports) 2297if have_target s390x-softmmu && probe_target_compiler s390x-softmmu; then 2298 write_c_skeleton 2299 do_compiler "$target_cc" $target_cc_cflags -march=z900 -o $TMPO -c $TMPC 2300 has_z900=$? 2301 if [ $has_z900 = 0 ] || do_compiler "$target_cc" $target_cc_cflags -march=z10 -msoft-float -Werror -o $TMPO -c $TMPC; then 2302 if [ $has_z900 != 0 ]; then 2303 echo "WARNING: Your compiler does not support the z900!" 2304 echo " The s390-ccw bios will only work with guest CPUs >= z10." 2305 fi 2306 roms="$roms pc-bios/s390-ccw" 2307 config_mak=pc-bios/s390-ccw/config-host.mak 2308 echo "# Automatically generated by configure - do not modify" > $config_mak 2309 echo "SRC_PATH=$source_path/pc-bios/s390-ccw" >> $config_mak 2310 write_target_makefile >> $config_mak 2311 # SLOF is required for building the s390-ccw firmware on s390x, 2312 # since it is using the libnet code from SLOF for network booting. 2313 git_submodules="${git_submodules} roms/SLOF" 2314 fi 2315fi 2316 2317####################################### 2318# generate config-host.mak 2319 2320if ! (GIT="$git" "$source_path/scripts/git-submodule.sh" "$git_submodules_action" "$git_submodules"); then 2321 exit 1 2322fi 2323 2324config_host_mak="config-host.mak" 2325 2326echo "# Automatically generated by configure - do not modify" > $config_host_mak 2327echo >> $config_host_mak 2328 2329echo all: >> $config_host_mak 2330echo "GIT=$git" >> $config_host_mak 2331echo "GIT_SUBMODULES=$git_submodules" >> $config_host_mak 2332echo "GIT_SUBMODULES_ACTION=$git_submodules_action" >> $config_host_mak 2333 2334if test "$debug_tcg" = "yes" ; then 2335 echo "CONFIG_DEBUG_TCG=y" >> $config_host_mak 2336fi 2337if test "$mingw32" = "yes" ; then 2338 echo "CONFIG_WIN32=y" >> $config_host_mak 2339 echo "QEMU_GA_MANUFACTURER=${QEMU_GA_MANUFACTURER-QEMU}" >> $config_host_mak 2340 echo "QEMU_GA_DISTRO=${QEMU_GA_DISTRO-Linux}" >> $config_host_mak 2341 echo "QEMU_GA_VERSION=${QEMU_GA_VERSION-$(cat "$source_path"/VERSION)}" >> $config_host_mak 2342else 2343 echo "CONFIG_POSIX=y" >> $config_host_mak 2344fi 2345 2346if test "$linux" = "yes" ; then 2347 echo "CONFIG_LINUX=y" >> $config_host_mak 2348fi 2349 2350if test "$darwin" = "yes" ; then 2351 echo "CONFIG_DARWIN=y" >> $config_host_mak 2352fi 2353 2354if test "$solaris" = "yes" ; then 2355 echo "CONFIG_SOLARIS=y" >> $config_host_mak 2356fi 2357if test "$static" = "yes" ; then 2358 echo "CONFIG_STATIC=y" >> $config_host_mak 2359fi 2360echo "SRC_PATH=$source_path" >> $config_host_mak 2361echo "TARGET_DIRS=$target_list" >> $config_host_mak 2362if test "$modules" = "yes"; then 2363 echo "CONFIG_MODULES=y" >> $config_host_mak 2364fi 2365 2366# XXX: suppress that 2367if [ "$bsd" = "yes" ] ; then 2368 echo "CONFIG_BSD=y" >> $config_host_mak 2369fi 2370 2371echo "CONFIG_COROUTINE_BACKEND=$coroutine" >> $config_host_mak 2372 2373if test "$have_asan_iface_fiber" = "yes" ; then 2374 echo "CONFIG_ASAN_IFACE_FIBER=y" >> $config_host_mak 2375fi 2376 2377if test "$have_tsan" = "yes" && test "$have_tsan_iface_fiber" = "yes" ; then 2378 echo "CONFIG_TSAN=y" >> $config_host_mak 2379fi 2380 2381if test "$plugins" = "yes" ; then 2382 echo "CONFIG_PLUGIN=y" >> $config_host_mak 2383fi 2384 2385if test -n "$gdb_bin"; then 2386 gdb_version=$($gdb_bin --version | head -n 1) 2387 if version_ge ${gdb_version##* } 9.1; then 2388 echo "HAVE_GDB_BIN=$gdb_bin" >> $config_host_mak 2389 else 2390 gdb_bin="" 2391 fi 2392fi 2393 2394if test "$container" != no; then 2395 echo "ENGINE=$container" >> $config_host_mak 2396fi 2397echo "ROMS=$roms" >> $config_host_mak 2398echo "MAKE=$make" >> $config_host_mak 2399echo "PYTHON=$python" >> $config_host_mak 2400echo "GENISOIMAGE=$genisoimage" >> $config_host_mak 2401echo "MESON=$meson" >> $config_host_mak 2402echo "NINJA=$ninja" >> $config_host_mak 2403echo "CC=$cc" >> $config_host_mak 2404echo "QEMU_CFLAGS=$QEMU_CFLAGS" >> $config_host_mak 2405echo "QEMU_OBJCFLAGS=$QEMU_OBJCFLAGS" >> $config_host_mak 2406echo "GLIB_CFLAGS=$glib_cflags" >> $config_host_mak 2407echo "GLIB_LIBS=$glib_libs" >> $config_host_mak 2408echo "GLIB_BINDIR=$glib_bindir" >> $config_host_mak 2409echo "GLIB_VERSION=$($pkg_config --modversion glib-2.0)" >> $config_host_mak 2410echo "QEMU_LDFLAGS=$QEMU_LDFLAGS" >> $config_host_mak 2411echo "EXESUF=$EXESUF" >> $config_host_mak 2412 2413# use included Linux headers 2414if test "$linux" = "yes" ; then 2415 mkdir -p linux-headers 2416 case "$cpu" in 2417 i386|x86_64) 2418 linux_arch=x86 2419 ;; 2420 ppc|ppc64) 2421 linux_arch=powerpc 2422 ;; 2423 s390x) 2424 linux_arch=s390 2425 ;; 2426 aarch64) 2427 linux_arch=arm64 2428 ;; 2429 loongarch*) 2430 linux_arch=loongarch 2431 ;; 2432 mips64) 2433 linux_arch=mips 2434 ;; 2435 *) 2436 # For most CPUs the kernel architecture name and QEMU CPU name match. 2437 linux_arch="$cpu" 2438 ;; 2439 esac 2440 # For non-KVM architectures we will not have asm headers 2441 if [ -e "$source_path/linux-headers/asm-$linux_arch" ]; then 2442 symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm 2443 fi 2444fi 2445 2446for target in $target_list; do 2447 target_dir="$target" 2448 target_name=$(echo $target | cut -d '-' -f 1)$EXESUF 2449 mkdir -p "$target_dir" 2450 case $target in 2451 *-user) symlink "../qemu-$target_name" "$target_dir/qemu-$target_name" ;; 2452 *) symlink "../qemu-system-$target_name" "$target_dir/qemu-system-$target_name" ;; 2453 esac 2454done 2455 2456if test "$default_targets" = "yes"; then 2457 echo "CONFIG_DEFAULT_TARGETS=y" >> $config_host_mak 2458fi 2459 2460if test "$ccache_cpp2" = "yes"; then 2461 echo "export CCACHE_CPP2=y" >> $config_host_mak 2462fi 2463 2464if test "$safe_stack" = "yes"; then 2465 echo "CONFIG_SAFESTACK=y" >> $config_host_mak 2466fi 2467 2468# tests/tcg configuration 2469(config_host_mak=tests/tcg/config-host.mak 2470mkdir -p tests/tcg 2471echo "# Automatically generated by configure - do not modify" > $config_host_mak 2472echo "SRC_PATH=$source_path" >> $config_host_mak 2473echo "HOST_CC=$host_cc" >> $config_host_mak 2474 2475# versioned checked in the main config_host.mak above 2476if test -n "$gdb_bin"; then 2477 echo "HAVE_GDB_BIN=$gdb_bin" >> $config_host_mak 2478fi 2479if test "$plugins" = "yes" ; then 2480 echo "CONFIG_PLUGIN=y" >> $config_host_mak 2481fi 2482 2483tcg_tests_targets= 2484for target in $target_list; do 2485 arch=${target%%-*} 2486 2487 case $target in 2488 xtensa*-linux-user) 2489 # the toolchain is not complete with headers, only build softmmu tests 2490 continue 2491 ;; 2492 *-softmmu) 2493 test -f "$source_path/tests/tcg/$arch/Makefile.softmmu-target" || continue 2494 qemu="qemu-system-$arch" 2495 ;; 2496 *-linux-user|*-bsd-user) 2497 qemu="qemu-$arch" 2498 ;; 2499 esac 2500 2501 if probe_target_compiler $target || test -n "$container_image"; then 2502 test -n "$container_image" && build_static=y 2503 mkdir -p "tests/tcg/$target" 2504 config_target_mak=tests/tcg/$target/config-target.mak 2505 ln -sf "$source_path/tests/tcg/Makefile.target" "tests/tcg/$target/Makefile" 2506 echo "# Automatically generated by configure - do not modify" > "$config_target_mak" 2507 echo "TARGET_NAME=$arch" >> "$config_target_mak" 2508 echo "TARGET=$target" >> "$config_target_mak" 2509 write_target_makefile "build-tcg-tests-$target" >> "$config_target_mak" 2510 echo "BUILD_STATIC=$build_static" >> "$config_target_mak" 2511 echo "QEMU=$PWD/$qemu" >> "$config_target_mak" 2512 echo "run-tcg-tests-$target: $qemu\$(EXESUF)" >> Makefile.prereqs 2513 tcg_tests_targets="$tcg_tests_targets $target" 2514 fi 2515done 2516 2517if test "$tcg" = "enabled"; then 2518 echo "TCG_TESTS_TARGETS=$tcg_tests_targets" >> config-host.mak 2519fi 2520) 2521 2522if test "$skip_meson" = no; then 2523 cross="config-meson.cross.new" 2524 meson_quote() { 2525 test $# = 0 && return 2526 echo "'$(echo $* | sed "s/ /','/g")'" 2527 } 2528 2529 echo "# Automatically generated by configure - do not modify" > $cross 2530 echo "[properties]" >> $cross 2531 2532 # unroll any custom device configs 2533 for a in $device_archs; do 2534 eval "c=\$devices_${a}" 2535 echo "${a}-softmmu = '$c'" >> $cross 2536 done 2537 2538 echo "[built-in options]" >> $cross 2539 echo "c_args = [$(meson_quote $CFLAGS $EXTRA_CFLAGS)]" >> $cross 2540 echo "cpp_args = [$(meson_quote $CXXFLAGS $EXTRA_CXXFLAGS)]" >> $cross 2541 test -n "$objcc" && echo "objc_args = [$(meson_quote $OBJCFLAGS $EXTRA_OBJCFLAGS)]" >> $cross 2542 echo "c_link_args = [$(meson_quote $CFLAGS $LDFLAGS $EXTRA_CFLAGS $EXTRA_LDFLAGS)]" >> $cross 2543 echo "cpp_link_args = [$(meson_quote $CXXFLAGS $LDFLAGS $EXTRA_CXXFLAGS $EXTRA_LDFLAGS)]" >> $cross 2544 echo "[binaries]" >> $cross 2545 echo "c = [$(meson_quote $cc $CPU_CFLAGS)]" >> $cross 2546 test -n "$cxx" && echo "cpp = [$(meson_quote $cxx $CPU_CFLAGS)]" >> $cross 2547 test -n "$objcc" && echo "objc = [$(meson_quote $objcc $CPU_CFLAGS)]" >> $cross 2548 echo "ar = [$(meson_quote $ar)]" >> $cross 2549 echo "nm = [$(meson_quote $nm)]" >> $cross 2550 echo "pkgconfig = [$(meson_quote $pkg_config_exe)]" >> $cross 2551 echo "ranlib = [$(meson_quote $ranlib)]" >> $cross 2552 if has $sdl2_config; then 2553 echo "sdl2-config = [$(meson_quote $sdl2_config)]" >> $cross 2554 fi 2555 echo "strip = [$(meson_quote $strip)]" >> $cross 2556 echo "widl = [$(meson_quote $widl)]" >> $cross 2557 echo "windres = [$(meson_quote $windres)]" >> $cross 2558 echo "windmc = [$(meson_quote $windmc)]" >> $cross 2559 if test "$cross_compile" = "yes"; then 2560 cross_arg="--cross-file config-meson.cross" 2561 echo "[host_machine]" >> $cross 2562 echo "system = '$targetos'" >> $cross 2563 case "$cpu" in 2564 i386) 2565 echo "cpu_family = 'x86'" >> $cross 2566 ;; 2567 *) 2568 echo "cpu_family = '$cpu'" >> $cross 2569 ;; 2570 esac 2571 echo "cpu = '$cpu'" >> $cross 2572 if test "$bigendian" = "yes" ; then 2573 echo "endian = 'big'" >> $cross 2574 else 2575 echo "endian = 'little'" >> $cross 2576 fi 2577 else 2578 cross_arg="--native-file config-meson.cross" 2579 fi 2580 mv $cross config-meson.cross 2581 2582 rm -rf meson-private meson-info meson-logs 2583 2584 # Built-in options 2585 test "$bindir" != "bin" && meson_option_add "-Dbindir=$bindir" 2586 test "$default_feature" = no && meson_option_add -Dauto_features=disabled 2587 test "$pie" = no && meson_option_add -Db_pie=false 2588 test "$werror" = yes && meson_option_add -Dwerror=true 2589 2590 # QEMU options 2591 test "$cfi" != false && meson_option_add "-Dcfi=$cfi" 2592 test "$fdt" != auto && meson_option_add "-Dfdt=$fdt" 2593 test -n "${LIB_FUZZING_ENGINE+xxx}" && meson_option_add "-Dfuzzing_engine=$LIB_FUZZING_ENGINE" 2594 test "$qemu_suffix" != qemu && meson_option_add "-Dqemu_suffix=$qemu_suffix" 2595 test "$smbd" != '' && meson_option_add "-Dsmbd=$smbd" 2596 test "$tcg" != enabled && meson_option_add "-Dtcg=$tcg" 2597 test "$vfio_user_server" != auto && meson_option_add "-Dvfio_user_server=$vfio_user_server" 2598 run_meson() { 2599 NINJA=$ninja $meson setup --prefix "$prefix" "$@" $cross_arg "$PWD" "$source_path" 2600 } 2601 eval run_meson $meson_options 2602 if test "$?" -ne 0 ; then 2603 error_exit "meson setup failed" 2604 fi 2605fi 2606 2607# Save the configure command line for later reuse. 2608cat <<EOD >config.status 2609#!/bin/sh 2610# Generated by configure. 2611# Run this file to recreate the current configuration. 2612# Compiler output produced by configure, useful for debugging 2613# configure, is in config.log if it exists. 2614EOD 2615 2616preserve_env() { 2617 envname=$1 2618 2619 eval envval=\$$envname 2620 2621 if test -n "$envval" 2622 then 2623 echo "$envname='$envval'" >> config.status 2624 echo "export $envname" >> config.status 2625 else 2626 echo "unset $envname" >> config.status 2627 fi 2628} 2629 2630# Preserve various env variables that influence what 2631# features/build target configure will detect 2632preserve_env AR 2633preserve_env AS 2634preserve_env CC 2635preserve_env CFLAGS 2636preserve_env CXX 2637preserve_env CXXFLAGS 2638preserve_env LD 2639preserve_env LDFLAGS 2640preserve_env LD_LIBRARY_PATH 2641preserve_env MAKE 2642preserve_env NM 2643preserve_env OBJCFLAGS 2644preserve_env OBJCOPY 2645preserve_env PATH 2646preserve_env PKG_CONFIG 2647preserve_env PKG_CONFIG_LIBDIR 2648preserve_env PKG_CONFIG_PATH 2649preserve_env PYTHON 2650preserve_env QEMU_GA_MANUFACTURER 2651preserve_env QEMU_GA_DISTRO 2652preserve_env QEMU_GA_VERSION 2653preserve_env SDL2_CONFIG 2654preserve_env SMBD 2655preserve_env STRIP 2656preserve_env WIDL 2657preserve_env WINDRES 2658preserve_env WINDMC 2659 2660printf "exec" >>config.status 2661for i in "$0" "$@"; do 2662 test "$i" = --skip-meson || printf " %s" "$(quote_sh "$i")" >>config.status 2663done 2664echo ' "$@"' >>config.status 2665chmod +x config.status 2666 2667rm -r "$TMPDIR1" 2668