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 if ! mkdir build || ! touch $MARKER 35 then 36 echo "ERROR: Could not create ./build directory. Check the permissions on" 37 echo "your source directory, or try doing an out-of-tree build." 38 exit 1 39 fi 40 41 cat > GNUmakefile <<'EOF' 42# This file is auto-generated by configure to support in-source tree 43# 'make' command invocation 44 45ifeq ($(MAKECMDGOALS),) 46recurse: all 47endif 48 49.NOTPARALLEL: % 50%: force 51 @echo 'changing dir to build for $(MAKE) "$(MAKECMDGOALS)"...' 52 @$(MAKE) -C build -f Makefile $(MAKECMDGOALS) 53 @if test "$(MAKECMDGOALS)" = "distclean" && \ 54 test -e build/auto-created-by-configure ; \ 55 then \ 56 rm -rf build GNUmakefile ; \ 57 fi 58force: ; 59.PHONY: force 60GNUmakefile: ; 61 62EOF 63 cd build 64 exec "$source_path/configure" "$@" 65fi 66 67# Temporary directory used for files created while 68# configure runs. Since it is in the build directory 69# we can safely blow away any previous version of it 70# (and we need not jump through hoops to try to delete 71# it when configure exits.) 72TMPDIR1="config-temp" 73rm -rf "${TMPDIR1}" 74if ! mkdir -p "${TMPDIR1}"; then 75 echo "ERROR: failed to create temporary directory" 76 exit 1 77fi 78 79TMPB="qemu-conf" 80TMPC="${TMPDIR1}/${TMPB}.c" 81TMPO="${TMPDIR1}/${TMPB}.o" 82TMPM="${TMPDIR1}/${TMPB}.m" 83TMPE="${TMPDIR1}/${TMPB}.exe" 84 85rm -f config.log 86 87# Print a helpful header at the top of config.log 88echo "# QEMU configure log $(date)" >> config.log 89printf "# Configured with:" >> config.log 90# repeat the invocation to log and stdout for CI 91invoke=$(printf " '%s'" "$0" "$@") 92test -n "$GITLAB_CI" && echo "configuring with: $invoke" 93{ echo "$invoke"; echo; echo "#"; } >> config.log 94 95quote_sh() { 96 printf "%s" "$1" | sed "s,','\\\\'',g; s,.*,'&'," 97} 98 99print_error() { 100 (echo 101 echo "ERROR: $1" 102 while test -n "$2"; do 103 echo " $2" 104 shift 105 done 106 echo) >&2 107} 108 109error_exit() { 110 print_error "$@" 111 exit 1 112} 113 114do_compiler() { 115 # Run the compiler, capturing its output to the log. First argument 116 # is compiler binary to execute. 117 compiler="$1" 118 shift 119 if test -n "$BASH_VERSION"; then eval ' 120 echo >>config.log " 121funcs: ${FUNCNAME[*]} 122lines: ${BASH_LINENO[*]}" 123 '; fi 124 echo $compiler "$@" >> config.log 125 $compiler "$@" >> config.log 2>&1 || return $? 126} 127 128do_compiler_werror() { 129 # Run the compiler, capturing its output to the log. First argument 130 # is compiler binary to execute. 131 compiler="$1" 132 shift 133 if test -n "$BASH_VERSION"; then eval ' 134 echo >>config.log " 135funcs: ${FUNCNAME[*]} 136lines: ${BASH_LINENO[*]}" 137 '; fi 138 echo $compiler "$@" >> config.log 139 $compiler "$@" >> config.log 2>&1 || return $? 140 # Test passed. If this is an --enable-werror build, rerun 141 # the test with -Werror and bail out if it fails. This 142 # makes warning-generating-errors in configure test code 143 # obvious to developers. 144 if test "$werror" != "yes"; then 145 return 0 146 fi 147 # Don't bother rerunning the compile if we were already using -Werror 148 case "$*" in 149 *-Werror*) 150 return 0 151 ;; 152 esac 153 echo $compiler -Werror "$@" >> config.log 154 $compiler -Werror "$@" >> config.log 2>&1 && return $? 155 error_exit "configure test passed without -Werror but failed with -Werror." \ 156 "This is probably a bug in the configure script. The failing command" \ 157 "will be at the bottom of config.log." \ 158 "You can run configure with --disable-werror to bypass this check." 159} 160 161do_cc() { 162 do_compiler_werror "$cc" $CPU_CFLAGS "$@" 163} 164 165do_objc() { 166 do_compiler_werror "$objcc" $CPU_CFLAGS "$@" 167} 168 169# Append $2 to the variable named $1, with space separation 170add_to() { 171 eval $1=\${$1:+\"\$$1 \"}\$2 172} 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 218if printf %s\\n "$source_path" "$PWD" | grep -q "[[:space:]:]"; 219then 220 error_exit "main directory cannot contain spaces nor colons" 221fi 222 223# default parameters 224cpu="" 225static="no" 226cross_compile="no" 227cross_prefix="" 228host_cc="cc" 229stack_protector="" 230safe_stack="" 231use_containers="yes" 232gdb_bin=$(command -v "gdb-multiarch" || command -v "gdb") 233gdb_arches="" 234glib_has_gslice="no" 235 236if test -e "$source_path/.git" 237then 238 git_submodules_action="update" 239else 240 git_submodules_action="ignore" 241fi 242 243git_submodules="ui/keycodemapdb" 244git="git" 245 246# Don't accept a target_list environment variable. 247unset target_list 248unset target_list_exclude 249 250# Default value for a variable defining feature "foo". 251# * foo="no" feature will only be used if --enable-foo arg is given 252# * foo="" feature will be searched for, and if found, will be used 253# unless --disable-foo is given 254# * foo="yes" this value will only be set by --enable-foo flag. 255# feature will searched for, 256# if not found, configure exits with error 257# 258# Always add --enable-foo and --disable-foo command line args. 259# Distributions want to ensure that several features are compiled in, and it 260# is impossible without a --enable-foo that exits if a feature is not found. 261 262default_feature="" 263# parse CC options second 264for opt do 265 optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)') 266 case "$opt" in 267 --without-default-features) 268 default_feature="no" 269 ;; 270 esac 271done 272 273EXTRA_CFLAGS="" 274EXTRA_CXXFLAGS="" 275EXTRA_OBJCFLAGS="" 276EXTRA_LDFLAGS="" 277 278debug_tcg="no" 279sanitizers="no" 280tsan="no" 281fortify_source="yes" 282EXESUF="" 283modules="no" 284prefix="/usr/local" 285qemu_suffix="qemu" 286softmmu="yes" 287linux_user="" 288bsd_user="" 289pie="" 290coroutine="" 291plugins="$default_feature" 292ninja="" 293bindir="bin" 294skip_meson=no 295vfio_user_server="disabled" 296 297# The following Meson options are handled manually (still they 298# are included in the automatically generated help message) 299 300# 1. Track which submodules are needed 301fdt="auto" 302 303# 2. Automatically enable/disable other options 304tcg="auto" 305cfi="false" 306 307# parse CC options second 308for opt do 309 optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)') 310 case "$opt" in 311 --cross-prefix=*) cross_prefix="$optarg" 312 cross_compile="yes" 313 ;; 314 --cc=*) CC="$optarg" 315 ;; 316 --cxx=*) CXX="$optarg" 317 ;; 318 --objcc=*) objcc="$optarg" 319 ;; 320 --cpu=*) cpu="$optarg" 321 ;; 322 --extra-cflags=*) 323 EXTRA_CFLAGS="$EXTRA_CFLAGS $optarg" 324 EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS $optarg" 325 EXTRA_OBJCFLAGS="$EXTRA_OBJCFLAGS $optarg" 326 ;; 327 --extra-cxxflags=*) EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS $optarg" 328 ;; 329 --extra-objcflags=*) EXTRA_OBJCFLAGS="$EXTRA_OBJCFLAGS $optarg" 330 ;; 331 --extra-ldflags=*) EXTRA_LDFLAGS="$EXTRA_LDFLAGS $optarg" 332 ;; 333 --cross-cc-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-cc-FOO option" 334 ;; 335 --cross-cc-cflags-*) cc_arch=${opt#--cross-cc-cflags-}; cc_arch=${cc_arch%%=*} 336 eval "cross_cc_cflags_${cc_arch}=\$optarg" 337 ;; 338 --cross-cc-*) cc_arch=${opt#--cross-cc-}; cc_arch=${cc_arch%%=*} 339 eval "cross_cc_${cc_arch}=\$optarg" 340 ;; 341 --cross-prefix-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-prefix-FOO option" 342 ;; 343 --cross-prefix-*) cc_arch=${opt#--cross-prefix-}; cc_arch=${cc_arch%%=*} 344 eval "cross_prefix_${cc_arch}=\$optarg" 345 ;; 346 esac 347done 348 349# Preferred compiler: 350# ${CC} (if set) 351# ${cross_prefix}gcc (if cross-prefix specified) 352# system compiler 353if test -z "${CC}${cross_prefix}"; then 354 cc="$host_cc" 355else 356 cc="${CC-${cross_prefix}gcc}" 357fi 358 359if test -z "${CXX}${cross_prefix}"; then 360 cxx="c++" 361else 362 cxx="${CXX-${cross_prefix}g++}" 363fi 364 365# Preferred ObjC compiler: 366# $objcc (if set, i.e. via --objcc option) 367# ${cross_prefix}clang (if cross-prefix specified) 368# clang (if available) 369# $cc 370if test -z "${objcc}${cross_prefix}"; then 371 if has clang; then 372 objcc=clang 373 else 374 objcc="$cc" 375 fi 376else 377 objcc="${objcc-${cross_prefix}clang}" 378fi 379 380ar="${AR-${cross_prefix}ar}" 381as="${AS-${cross_prefix}as}" 382ccas="${CCAS-$cc}" 383objcopy="${OBJCOPY-${cross_prefix}objcopy}" 384ld="${LD-${cross_prefix}ld}" 385ranlib="${RANLIB-${cross_prefix}ranlib}" 386nm="${NM-${cross_prefix}nm}" 387smbd="$SMBD" 388strip="${STRIP-${cross_prefix}strip}" 389widl="${WIDL-${cross_prefix}widl}" 390windres="${WINDRES-${cross_prefix}windres}" 391windmc="${WINDMC-${cross_prefix}windmc}" 392pkg_config_exe="${PKG_CONFIG-${cross_prefix}pkg-config}" 393query_pkg_config() { 394 "${pkg_config_exe}" ${QEMU_PKG_CONFIG_FLAGS} "$@" 395} 396pkg_config=query_pkg_config 397sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}" 398 399# default flags for all hosts 400# We use -fwrapv to tell the compiler that we require a C dialect where 401# left shift of signed integers is well defined and has the expected 402# 2s-complement style results. (Both clang and gcc agree that it 403# provides these semantics.) 404QEMU_CFLAGS="-fno-strict-aliasing -fno-common -fwrapv" 405QEMU_CFLAGS="-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE $QEMU_CFLAGS" 406 407QEMU_LDFLAGS= 408 409# Flags that are needed during configure but later taken care of by Meson 410CONFIGURE_CFLAGS="-std=gnu11 -Wall" 411CONFIGURE_LDFLAGS= 412 413 414check_define() { 415cat > $TMPC <<EOF 416#if !defined($1) 417#error $1 not defined 418#endif 419int main(void) { return 0; } 420EOF 421 compile_object 422} 423 424check_include() { 425cat > $TMPC <<EOF 426#include <$1> 427int main(void) { return 0; } 428EOF 429 compile_object 430} 431 432write_c_skeleton() { 433 cat > $TMPC <<EOF 434int main(void) { return 0; } 435EOF 436} 437 438if check_define __linux__ ; then 439 targetos=linux 440elif check_define _WIN32 ; then 441 targetos=windows 442elif check_define __OpenBSD__ ; then 443 targetos=openbsd 444elif check_define __sun__ ; then 445 targetos=sunos 446elif check_define __HAIKU__ ; then 447 targetos=haiku 448elif check_define __FreeBSD__ ; then 449 targetos=freebsd 450elif check_define __FreeBSD_kernel__ && check_define __GLIBC__; then 451 targetos=gnu/kfreebsd 452elif check_define __DragonFly__ ; then 453 targetos=dragonfly 454elif check_define __NetBSD__; then 455 targetos=netbsd 456elif check_define __APPLE__; then 457 targetos=darwin 458else 459 # This is a fatal error, but don't report it yet, because we 460 # might be going to just print the --help text, or it might 461 # be the result of a missing compiler. 462 targetos=bogus 463fi 464 465# OS specific 466 467mingw32="no" 468bsd="no" 469linux="no" 470solaris="no" 471case $targetos in 472windows) 473 mingw32="yes" 474 plugins="no" 475 pie="no" 476;; 477gnu/kfreebsd) 478 bsd="yes" 479;; 480freebsd) 481 bsd="yes" 482 make="${MAKE-gmake}" 483 # needed for kinfo_getvmmap(3) in libutil.h 484;; 485dragonfly) 486 bsd="yes" 487 make="${MAKE-gmake}" 488;; 489netbsd) 490 bsd="yes" 491 make="${MAKE-gmake}" 492;; 493openbsd) 494 bsd="yes" 495 make="${MAKE-gmake}" 496;; 497darwin) 498 bsd="yes" 499 darwin="yes" 500 # Disable attempts to use ObjectiveC features in os/object.h since they 501 # won't work when we're compiling with gcc as a C compiler. 502 QEMU_CFLAGS="-DOS_OBJECT_USE_OBJC=0 $QEMU_CFLAGS" 503;; 504sunos) 505 solaris="yes" 506 make="${MAKE-gmake}" 507# needed for CMSG_ macros in sys/socket.h 508 QEMU_CFLAGS="-D_XOPEN_SOURCE=600 $QEMU_CFLAGS" 509# needed for TIOCWIN* defines in termios.h 510 QEMU_CFLAGS="-D__EXTENSIONS__ $QEMU_CFLAGS" 511;; 512haiku) 513 pie="no" 514 QEMU_CFLAGS="-DB_USE_POSITIVE_POSIX_ERRORS -D_BSD_SOURCE -fPIC $QEMU_CFLAGS" 515;; 516linux) 517 linux="yes" 518;; 519esac 520 521if test ! -z "$cpu" ; then 522 # command line argument 523 : 524elif check_define __i386__ ; then 525 cpu="i386" 526elif check_define __x86_64__ ; then 527 if check_define __ILP32__ ; then 528 cpu="x32" 529 else 530 cpu="x86_64" 531 fi 532elif check_define __sparc__ ; then 533 if check_define __arch64__ ; then 534 cpu="sparc64" 535 else 536 cpu="sparc" 537 fi 538elif check_define _ARCH_PPC ; then 539 if check_define _ARCH_PPC64 ; then 540 if check_define _LITTLE_ENDIAN ; then 541 cpu="ppc64le" 542 else 543 cpu="ppc64" 544 fi 545 else 546 cpu="ppc" 547 fi 548elif check_define __mips__ ; then 549 cpu="mips" 550elif check_define __s390__ ; then 551 if check_define __s390x__ ; then 552 cpu="s390x" 553 else 554 cpu="s390" 555 fi 556elif check_define __riscv ; then 557 cpu="riscv" 558elif check_define __arm__ ; then 559 cpu="arm" 560elif check_define __aarch64__ ; then 561 cpu="aarch64" 562elif check_define __loongarch64 ; then 563 cpu="loongarch64" 564else 565 # Using uname is really broken, but it is just a fallback for architectures 566 # that are going to use TCI anyway 567 cpu=$(uname -m) 568 echo "WARNING: unrecognized host CPU, proceeding with 'uname -m' output '$cpu'" 569fi 570 571# Normalise host CPU name and set multilib cflags. The canonicalization 572# isn't really necessary, because the architectures that we check for 573# should not hit the 'uname -m' case, but better safe than sorry. 574# Note that this case should only have supported host CPUs, not guests. 575case "$cpu" in 576 armv*b|armv*l|arm) 577 cpu="arm" ;; 578 579 i386|i486|i586|i686) 580 cpu="i386" 581 CPU_CFLAGS="-m32" ;; 582 x32) 583 cpu="x86_64" 584 CPU_CFLAGS="-mx32" ;; 585 x86_64|amd64) 586 cpu="x86_64" 587 # ??? Only extremely old AMD cpus do not have cmpxchg16b. 588 # If we truly care, we should simply detect this case at 589 # runtime and generate the fallback to serial emulation. 590 CPU_CFLAGS="-m64 -mcx16" ;; 591 592 mips*) 593 cpu="mips" ;; 594 595 ppc) 596 CPU_CFLAGS="-m32" ;; 597 ppc64) 598 CPU_CFLAGS="-m64 -mbig-endian" ;; 599 ppc64le) 600 cpu="ppc64" 601 CPU_CFLAGS="-m64 -mlittle-endian" ;; 602 603 s390) 604 CPU_CFLAGS="-m31" ;; 605 s390x) 606 CPU_CFLAGS="-m64" ;; 607 608 sparc|sun4[cdmuv]) 609 cpu="sparc" 610 CPU_CFLAGS="-m32 -mv8plus -mcpu=ultrasparc" ;; 611 sparc64) 612 CPU_CFLAGS="-m64 -mcpu=ultrasparc" ;; 613esac 614 615: ${make=${MAKE-make}} 616 617 618check_py_version() { 619 # We require python >= 3.6. 620 # NB: a True python conditional creates a non-zero return code (Failure) 621 "$1" -c 'import sys; sys.exit(sys.version_info < (3,6))' 622} 623 624python= 625first_python= 626if test -z "${PYTHON}"; then 627 # A bare 'python' is traditionally python 2.x, but some distros 628 # have it as python 3.x, so check in both places. 629 for binary in python3 python python3.11 python3.10 python3.9 python3.8 python3.7 python3.6; do 630 if has "$binary"; then 631 python=$(command -v "$binary") 632 if check_py_version "$python"; then 633 # This one is good. 634 first_python= 635 break 636 else 637 first_python=$python 638 fi 639 fi 640 done 641else 642 # Same as above, but only check the environment variable. 643 has "${PYTHON}" || error_exit "The PYTHON environment variable does not point to an executable" 644 python=$(command -v "$PYTHON") 645 if check_py_version "$python"; then 646 # This one is good. 647 first_python= 648 else 649 first_python=$first_python 650 fi 651fi 652 653# Check for ancillary tools used in testing 654genisoimage= 655for binary in genisoimage mkisofs 656do 657 if has $binary 658 then 659 genisoimage=$(command -v "$binary") 660 break 661 fi 662done 663 664if test "$mingw32" = "yes" ; then 665 EXESUF=".exe" 666 # MinGW needs -mthreads for TLS and macro _MT. 667 CONFIGURE_CFLAGS="-mthreads $CONFIGURE_CFLAGS" 668 prefix="/qemu" 669 bindir="" 670 qemu_suffix="" 671fi 672 673werror="" 674 675meson_option_build_array() { 676 printf '[' 677 (if test "$targetos" = windows; then 678 IFS=\; 679 else 680 IFS=: 681 fi 682 for e in $1; do 683 printf '"""' 684 # backslash escape any '\' and '"' characters 685 printf "%s" "$e" | sed -e 's/\([\"]\)/\\\1/g' 686 printf '""",' 687 done) 688 printf ']\n' 689} 690 691. "$source_path/scripts/meson-buildoptions.sh" 692 693meson_options= 694meson_option_add() { 695 meson_options="$meson_options $(quote_sh "$1")" 696} 697meson_option_parse() { 698 meson_options="$meson_options $(_meson_option_parse "$@")" 699 if test $? -eq 1; then 700 echo "ERROR: unknown option $1" 701 echo "Try '$0 --help' for more information" 702 exit 1 703 fi 704} 705 706for opt do 707 optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)') 708 case "$opt" in 709 --help|-h) show_help=yes 710 ;; 711 --version|-V) exec cat "$source_path/VERSION" 712 ;; 713 --prefix=*) prefix="$optarg" 714 ;; 715 --cross-prefix=*) 716 ;; 717 --cc=*) 718 ;; 719 --host-cc=*) host_cc="$optarg" 720 ;; 721 --cxx=*) 722 ;; 723 --objcc=*) 724 ;; 725 --make=*) make="$optarg" 726 ;; 727 --install=*) 728 ;; 729 --python=*) python="$optarg" 730 ;; 731 --skip-meson) skip_meson=yes 732 ;; 733 --ninja=*) ninja="$optarg" 734 ;; 735 --smbd=*) smbd="$optarg" 736 ;; 737 --extra-cflags=*) 738 ;; 739 --extra-cxxflags=*) 740 ;; 741 --extra-objcflags=*) 742 ;; 743 --extra-ldflags=*) 744 ;; 745 --cross-cc-*) 746 ;; 747 --cross-prefix-*) 748 ;; 749 --enable-debug-info) meson_option_add -Ddebug=true 750 ;; 751 --disable-debug-info) meson_option_add -Ddebug=false 752 ;; 753 --enable-modules) 754 modules="yes" 755 ;; 756 --disable-modules) 757 modules="no" 758 ;; 759 --cpu=*) 760 ;; 761 --target-list=*) target_list="$optarg" 762 if test "$target_list_exclude"; then 763 error_exit "Can't mix --target-list with --target-list-exclude" 764 fi 765 ;; 766 --target-list-exclude=*) target_list_exclude="$optarg" 767 if test "$target_list"; then 768 error_exit "Can't mix --target-list-exclude with --target-list" 769 fi 770 ;; 771 --with-default-devices) meson_option_add -Ddefault_devices=true 772 ;; 773 --without-default-devices) meson_option_add -Ddefault_devices=false 774 ;; 775 --with-devices-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --with-devices-FOO option" 776 ;; 777 --with-devices-*) device_arch=${opt#--with-devices-}; 778 device_arch=${device_arch%%=*} 779 cf=$source_path/configs/devices/$device_arch-softmmu/$optarg.mak 780 if test -f "$cf"; then 781 device_archs="$device_archs $device_arch" 782 eval "devices_${device_arch}=\$optarg" 783 else 784 error_exit "File $cf does not exist" 785 fi 786 ;; 787 --without-default-features) # processed above 788 ;; 789 --static) 790 static="yes" 791 QEMU_PKG_CONFIG_FLAGS="--static $QEMU_PKG_CONFIG_FLAGS" 792 ;; 793 --bindir=*) bindir="$optarg" 794 ;; 795 --with-suffix=*) qemu_suffix="$optarg" 796 ;; 797 --host=*|--build=*|\ 798 --disable-dependency-tracking|\ 799 --sbindir=*|--sharedstatedir=*|\ 800 --oldincludedir=*|--datarootdir=*|--infodir=*|\ 801 --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*) 802 # These switches are silently ignored, for compatibility with 803 # autoconf-generated configure scripts. This allows QEMU's 804 # configure to be used by RPM and similar macros that set 805 # lots of directory switches by default. 806 ;; 807 --enable-debug-tcg) debug_tcg="yes" 808 ;; 809 --disable-debug-tcg) debug_tcg="no" 810 ;; 811 --enable-debug) 812 # Enable debugging options that aren't excessively noisy 813 debug_tcg="yes" 814 meson_option_parse --enable-debug-graph-lock "" 815 meson_option_parse --enable-debug-mutex "" 816 meson_option_add -Doptimization=0 817 fortify_source="no" 818 ;; 819 --enable-sanitizers) sanitizers="yes" 820 ;; 821 --disable-sanitizers) sanitizers="no" 822 ;; 823 --enable-tsan) tsan="yes" 824 ;; 825 --disable-tsan) tsan="no" 826 ;; 827 --disable-tcg) tcg="disabled" 828 plugins="no" 829 ;; 830 --enable-tcg) tcg="enabled" 831 ;; 832 --disable-system) softmmu="no" 833 ;; 834 --enable-system) softmmu="yes" 835 ;; 836 --disable-user) 837 linux_user="no" ; 838 bsd_user="no" ; 839 ;; 840 --enable-user) ;; 841 --disable-linux-user) linux_user="no" 842 ;; 843 --enable-linux-user) linux_user="yes" 844 ;; 845 --disable-bsd-user) bsd_user="no" 846 ;; 847 --enable-bsd-user) bsd_user="yes" 848 ;; 849 --enable-pie) pie="yes" 850 ;; 851 --disable-pie) pie="no" 852 ;; 853 --enable-werror) werror="yes" 854 ;; 855 --disable-werror) werror="no" 856 ;; 857 --enable-stack-protector) stack_protector="yes" 858 ;; 859 --disable-stack-protector) stack_protector="no" 860 ;; 861 --enable-safe-stack) safe_stack="yes" 862 ;; 863 --disable-safe-stack) safe_stack="no" 864 ;; 865 --enable-cfi) 866 cfi="true"; 867 meson_option_add -Db_lto=true 868 ;; 869 --disable-cfi) cfi="false" 870 ;; 871 --disable-fdt) fdt="disabled" 872 ;; 873 --enable-fdt) fdt="enabled" 874 ;; 875 --enable-fdt=git) fdt="internal" 876 ;; 877 --enable-fdt=*) fdt="$optarg" 878 ;; 879 --with-coroutine=*) coroutine="$optarg" 880 ;; 881 --with-git=*) git="$optarg" 882 ;; 883 --with-git-submodules=*) 884 git_submodules_action="$optarg" 885 ;; 886 --enable-plugins) if test "$mingw32" = "yes"; then 887 error_exit "TCG plugins not currently supported on Windows platforms" 888 else 889 plugins="yes" 890 fi 891 ;; 892 --disable-plugins) plugins="no" 893 ;; 894 --enable-containers) use_containers="yes" 895 ;; 896 --disable-containers) use_containers="no" 897 ;; 898 --gdb=*) gdb_bin="$optarg" 899 ;; 900 --enable-vfio-user-server) vfio_user_server="enabled" 901 ;; 902 --disable-vfio-user-server) vfio_user_server="disabled" 903 ;; 904 # everything else has the same name in configure and meson 905 --*) meson_option_parse "$opt" "$optarg" 906 ;; 907 esac 908done 909 910# test for any invalid configuration combinations 911if test "$plugins" = "yes" -a "$tcg" = "disabled"; then 912 error_exit "Can't enable plugins on non-TCG builds" 913fi 914 915case $git_submodules_action in 916 update|validate) 917 if test ! -e "$source_path/.git"; then 918 echo "ERROR: cannot $git_submodules_action git submodules without .git" 919 exit 1 920 fi 921 ;; 922 ignore) 923 if ! test -f "$source_path/ui/keycodemapdb/README" 924 then 925 echo 926 echo "ERROR: missing GIT submodules" 927 echo 928 if test -e "$source_path/.git"; then 929 echo "--with-git-submodules=ignore specified but submodules were not" 930 echo "checked out. Please initialize and update submodules." 931 else 932 echo "This is not a GIT checkout but module content appears to" 933 echo "be missing. Do not use 'git archive' or GitHub download links" 934 echo "to acquire QEMU source archives. Non-GIT builds are only" 935 echo "supported with source archives linked from:" 936 echo 937 echo " https://www.qemu.org/download/#source" 938 echo 939 echo "Developers working with GIT can use scripts/archive-source.sh" 940 echo "if they need to create valid source archives." 941 fi 942 echo 943 exit 1 944 fi 945 ;; 946 *) 947 echo "ERROR: invalid --with-git-submodules= value '$git_submodules_action'" 948 exit 1 949 ;; 950esac 951 952default_target_list="" 953mak_wilds="" 954 955if [ "$linux_user" != no ]; then 956 if [ "$targetos" = linux ] && [ -d "$source_path/linux-user/include/host/$cpu" ]; then 957 linux_user=yes 958 elif [ "$linux_user" = yes ]; then 959 error_exit "linux-user not supported on this architecture" 960 fi 961fi 962if [ "$bsd_user" != no ]; then 963 if [ "$bsd_user" = "" ]; then 964 test $targetos = freebsd && bsd_user=yes 965 fi 966 if [ "$bsd_user" = yes ] && ! [ -d "$source_path/bsd-user/$targetos" ]; then 967 error_exit "bsd-user not supported on this host OS" 968 fi 969fi 970if [ "$softmmu" = "yes" ]; then 971 mak_wilds="${mak_wilds} $source_path/configs/targets/*-softmmu.mak" 972fi 973if [ "$linux_user" = "yes" ]; then 974 mak_wilds="${mak_wilds} $source_path/configs/targets/*-linux-user.mak" 975fi 976if [ "$bsd_user" = "yes" ]; then 977 mak_wilds="${mak_wilds} $source_path/configs/targets/*-bsd-user.mak" 978fi 979 980for config in $mak_wilds; do 981 target="$(basename "$config" .mak)" 982 if echo "$target_list_exclude" | grep -vq "$target"; then 983 default_target_list="${default_target_list} $target" 984 fi 985done 986 987if test x"$show_help" = x"yes" ; then 988cat << EOF 989 990Usage: configure [options] 991Options: [defaults in brackets after descriptions] 992 993Standard options: 994 --help print this message 995 --prefix=PREFIX install in PREFIX [$prefix] 996 --target-list=LIST set target list (default: build all) 997$(echo Available targets: $default_target_list | \ 998 fold -s -w 53 | sed -e 's/^/ /') 999 --target-list-exclude=LIST exclude a set of targets from the default target-list 1000 1001Advanced options (experts only): 1002 --cross-prefix=PREFIX use PREFIX for compile tools, PREFIX can be blank [$cross_prefix] 1003 --cc=CC use C compiler CC [$cc] 1004 --host-cc=CC use C compiler CC [$host_cc] for code run at 1005 build time 1006 --cxx=CXX use C++ compiler CXX [$cxx] 1007 --objcc=OBJCC use Objective-C compiler OBJCC [$objcc] 1008 --extra-cflags=CFLAGS append extra C compiler flags CFLAGS 1009 --extra-cxxflags=CXXFLAGS append extra C++ compiler flags CXXFLAGS 1010 --extra-objcflags=OBJCFLAGS append extra Objective C compiler flags OBJCFLAGS 1011 --extra-ldflags=LDFLAGS append extra linker flags LDFLAGS 1012 --cross-cc-ARCH=CC use compiler when building ARCH guest test cases 1013 --cross-cc-cflags-ARCH= use compiler flags when building ARCH guest tests 1014 --cross-prefix-ARCH=PREFIX cross compiler prefix when building ARCH guest test cases 1015 --make=MAKE use specified make [$make] 1016 --python=PYTHON use specified python [$python] 1017 --ninja=NINJA use specified ninja [$ninja] 1018 --smbd=SMBD use specified smbd [$smbd] 1019 --with-git=GIT use specified git [$git] 1020 --with-git-submodules=update update git submodules (default if .git dir exists) 1021 --with-git-submodules=validate fail if git submodules are not up to date 1022 --with-git-submodules=ignore do not update or check git submodules (default if no .git dir) 1023 --static enable static build [$static] 1024 --bindir=PATH install binaries in PATH 1025 --with-suffix=SUFFIX suffix for QEMU data inside datadir/libdir/sysconfdir/docdir [$qemu_suffix] 1026 --without-default-features default all --enable-* options to "disabled" 1027 --without-default-devices do not include any device that is not needed to 1028 start the emulator (only use if you are including 1029 desired devices in configs/devices/) 1030 --with-devices-ARCH=NAME override default configs/devices 1031 --enable-debug enable common debug build options 1032 --enable-sanitizers enable default sanitizers 1033 --enable-tsan enable thread sanitizer 1034 --disable-werror disable compilation abort on warning 1035 --disable-stack-protector disable compiler-provided stack protection 1036 --cpu=CPU Build for host CPU [$cpu] 1037 --with-coroutine=BACKEND coroutine backend. Supported options: 1038 ucontext, sigaltstack, windows 1039 --enable-plugins 1040 enable plugins via shared library loading 1041 --disable-containers don't use containers for cross-building 1042 --gdb=GDB-path gdb to use for gdbstub tests [$gdb_bin] 1043EOF 1044 meson_options_help 1045cat << EOF 1046 system all system emulation targets 1047 user supported user emulation targets 1048 linux-user all linux usermode emulation targets 1049 bsd-user all BSD usermode emulation targets 1050 pie Position Independent Executables 1051 modules modules support (non-Windows) 1052 debug-tcg TCG debugging (default is disabled) 1053 debug-info debugging information 1054 safe-stack SafeStack Stack Smash Protection. Depends on 1055 clang/llvm and requires coroutine backend ucontext. 1056 1057NOTE: The object files are built at the place where configure is launched 1058EOF 1059exit 0 1060fi 1061 1062# Remove old dependency files to make sure that they get properly regenerated 1063rm -f ./*/config-devices.mak.d 1064 1065if test -z "$python" 1066then 1067 # If first_python is set, there was a binary somewhere even though 1068 # it was not suitable. Use it for the error message. 1069 if test -n "$first_python"; then 1070 error_exit "Cannot use '$first_python', Python >= 3.6 is required." \ 1071 "Use --python=/path/to/python to specify a supported Python." 1072 else 1073 error_exit "Python not found. Use --python=/path/to/python" 1074 fi 1075fi 1076 1077if ! has "$make" 1078then 1079 error_exit "GNU make ($make) not found" 1080fi 1081 1082if ! check_py_version "$python"; then 1083 error_exit "Cannot use '$python', Python >= 3.6 is required." \ 1084 "Use --python=/path/to/python to specify a supported Python." 1085fi 1086 1087# Resolve PATH 1088python="$(command -v "$python")" 1089 1090# Create a Python virtual environment using our configured python. 1091# The stdout of this script will be the location of a symlink that 1092# points to the configured Python. 1093# Entry point scripts for pip, meson, and sphinx are generated if those 1094# packages are present. 1095 1096# Defaults assumed for now: 1097# - venv is cleared if it exists already; 1098# - venv is allowed to use system packages; 1099# - all setup is performed **offline**; 1100# - pip is not installed into the venv when possible, 1101# but ensurepip is called as a fallback when necessary. 1102 1103echo "python determined to be '$python'" 1104echo "python version: $($python --version)" 1105 1106python="$($python -B "${source_path}/python/scripts/mkvenv.py" create pyvenv)" 1107if test "$?" -ne 0 ; then 1108 error_exit "python venv creation failed" 1109fi 1110 1111# Suppress writing compiled files 1112python="$python -B" 1113 1114 1115if ! $python "${source_path}/python/scripts/mkvenv.py" ensure \ 1116 --dir "${source_path}/python/wheels" \ 1117 --diagnose "meson" \ 1118 "meson>=0.61.5" ; 1119then 1120 exit 1 1121fi 1122 1123# At this point, we expect Meson to be installed and available. 1124# We expect mkvenv or pip to have created pyvenv/bin/meson for us. 1125# We ignore PATH completely here: we want to use the venv's Meson 1126# *exclusively*. 1127 1128meson="$(cd pyvenv/bin; pwd)/meson" 1129 1130# Probe for ninja 1131 1132if test -z "$ninja"; then 1133 for c in ninja ninja-build samu; do 1134 if has $c; then 1135 ninja=$(command -v "$c") 1136 break 1137 fi 1138 done 1139 if test -z "$ninja"; then 1140 error_exit "Cannot find Ninja" 1141 fi 1142fi 1143 1144# Check that the C compiler works. Doing this here before testing 1145# the host CPU ensures that we had a valid CC to autodetect the 1146# $cpu var (and we should bail right here if that's not the case). 1147# It also allows the help message to be printed without a CC. 1148write_c_skeleton; 1149if compile_object ; then 1150 : C compiler works ok 1151else 1152 error_exit "\"$cc\" either does not exist or does not work" 1153fi 1154if ! compile_prog ; then 1155 error_exit "\"$cc\" cannot build an executable (is your linker broken?)" 1156fi 1157 1158# Consult white-list to determine whether to enable werror 1159# by default. Only enable by default for git builds 1160if test -z "$werror" ; then 1161 if test "$git_submodules_action" != "ignore" && \ 1162 { test "$linux" = "yes" || test "$mingw32" = "yes"; }; then 1163 werror="yes" 1164 else 1165 werror="no" 1166 fi 1167fi 1168 1169if test "$targetos" = "bogus"; then 1170 # Now that we know that we're not printing the help and that 1171 # the compiler works (so the results of the check_defines we used 1172 # to identify the OS are reliable), if we didn't recognize the 1173 # host OS we should stop now. 1174 error_exit "Unrecognized host OS (uname -s reports '$(uname -s)')" 1175fi 1176 1177# Check whether the compiler matches our minimum requirements: 1178cat > $TMPC << EOF 1179#if defined(__clang_major__) && defined(__clang_minor__) 1180# ifdef __apple_build_version__ 1181# if __clang_major__ < 12 || (__clang_major__ == 12 && __clang_minor__ < 0) 1182# error You need at least XCode Clang v12.0 to compile QEMU 1183# endif 1184# else 1185# if __clang_major__ < 10 || (__clang_major__ == 10 && __clang_minor__ < 0) 1186# error You need at least Clang v10.0 to compile QEMU 1187# endif 1188# endif 1189#elif defined(__GNUC__) && defined(__GNUC_MINOR__) 1190# if __GNUC__ < 7 || (__GNUC__ == 7 && __GNUC_MINOR__ < 4) 1191# error You need at least GCC v7.4.0 to compile QEMU 1192# endif 1193#else 1194# error You either need GCC or Clang to compiler QEMU 1195#endif 1196int main (void) { return 0; } 1197EOF 1198if ! compile_prog "" "" ; then 1199 error_exit "You need at least GCC v7.4 or Clang v10.0 (or XCode Clang v12.0)" 1200fi 1201 1202# Accumulate -Wfoo and -Wno-bar separately. 1203# We will list all of the enable flags first, and the disable flags second. 1204# Note that we do not add -Werror, because that would enable it for all 1205# configure tests. If a configure test failed due to -Werror this would 1206# just silently disable some features, so it's too error prone. 1207 1208warn_flags= 1209add_to warn_flags -Wundef 1210add_to warn_flags -Wwrite-strings 1211add_to warn_flags -Wmissing-prototypes 1212add_to warn_flags -Wstrict-prototypes 1213add_to warn_flags -Wredundant-decls 1214add_to warn_flags -Wold-style-declaration 1215add_to warn_flags -Wold-style-definition 1216add_to warn_flags -Wtype-limits 1217add_to warn_flags -Wformat-security 1218add_to warn_flags -Wformat-y2k 1219add_to warn_flags -Winit-self 1220add_to warn_flags -Wignored-qualifiers 1221add_to warn_flags -Wempty-body 1222add_to warn_flags -Wnested-externs 1223add_to warn_flags -Wendif-labels 1224add_to warn_flags -Wexpansion-to-defined 1225add_to warn_flags -Wimplicit-fallthrough=2 1226add_to warn_flags -Wmissing-format-attribute 1227 1228if test "$targetos" != "darwin"; then 1229 add_to warn_flags -Wthread-safety 1230fi 1231 1232nowarn_flags= 1233add_to nowarn_flags -Wno-initializer-overrides 1234add_to nowarn_flags -Wno-missing-include-dirs 1235add_to nowarn_flags -Wno-shift-negative-value 1236add_to nowarn_flags -Wno-string-plus-int 1237add_to nowarn_flags -Wno-typedef-redefinition 1238add_to nowarn_flags -Wno-tautological-type-limit-compare 1239add_to nowarn_flags -Wno-psabi 1240add_to nowarn_flags -Wno-gnu-variable-sized-type-not-at-end 1241 1242gcc_flags="$warn_flags $nowarn_flags" 1243 1244cc_has_warning_flag() { 1245 write_c_skeleton; 1246 1247 # Use the positive sense of the flag when testing for -Wno-wombat 1248 # support (gcc will happily accept the -Wno- form of unknown 1249 # warning options). 1250 optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')" 1251 compile_prog "-Werror $optflag" "" 1252} 1253 1254objcc_has_warning_flag() { 1255 cat > $TMPM <<EOF 1256int main(void) { return 0; } 1257EOF 1258 1259 # Use the positive sense of the flag when testing for -Wno-wombat 1260 # support (gcc will happily accept the -Wno- form of unknown 1261 # warning options). 1262 optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')" 1263 do_objc -Werror $optflag \ 1264 $OBJCFLAGS $EXTRA_OBJCFLAGS $CONFIGURE_OBJCFLAGS $QEMU_OBJCFLAGS \ 1265 -o $TMPE $TMPM $QEMU_LDFLAGS 1266} 1267 1268for flag in $gcc_flags; do 1269 if cc_has_warning_flag $flag ; then 1270 QEMU_CFLAGS="$QEMU_CFLAGS $flag" 1271 fi 1272 if objcc_has_warning_flag $flag ; then 1273 QEMU_OBJCFLAGS="$QEMU_OBJCFLAGS $flag" 1274 fi 1275done 1276 1277if test "$stack_protector" != "no"; then 1278 cat > $TMPC << EOF 1279int main(int argc, char *argv[]) 1280{ 1281 char arr[64], *p = arr, *c = argv[argc - 1]; 1282 while (*c) { 1283 *p++ = *c++; 1284 } 1285 return 0; 1286} 1287EOF 1288 gcc_flags="-fstack-protector-strong -fstack-protector-all" 1289 sp_on=0 1290 for flag in $gcc_flags; do 1291 # We need to check both a compile and a link, since some compiler 1292 # setups fail only on a .c->.o compile and some only at link time 1293 if compile_object "-Werror $flag" && 1294 compile_prog "-Werror $flag" ""; then 1295 QEMU_CFLAGS="$QEMU_CFLAGS $flag" 1296 QEMU_LDFLAGS="$QEMU_LDFLAGS $flag" 1297 sp_on=1 1298 break 1299 fi 1300 done 1301 if test "$stack_protector" = yes; then 1302 if test $sp_on = 0; then 1303 error_exit "Stack protector not supported" 1304 fi 1305 fi 1306fi 1307 1308# Our module code doesn't support Windows 1309if test "$modules" = "yes" && test "$mingw32" = "yes" ; then 1310 error_exit "Modules are not available for Windows" 1311fi 1312 1313# Static linking is not possible with plugins, modules or PIE 1314if test "$static" = "yes" ; then 1315 if test "$modules" = "yes" ; then 1316 error_exit "static and modules are mutually incompatible" 1317 fi 1318 if test "$plugins" = "yes"; then 1319 error_exit "static and plugins are mutually incompatible" 1320 else 1321 plugins="no" 1322 fi 1323fi 1324test "$plugins" = "" && plugins=yes 1325 1326cat > $TMPC << EOF 1327 1328#ifdef __linux__ 1329# define THREAD __thread 1330#else 1331# define THREAD 1332#endif 1333static THREAD int tls_var; 1334int main(void) { return tls_var; } 1335EOF 1336 1337# Meson currently only handles pie as a boolean for now so if we have 1338# explicitly disabled PIE we need to extend our cflags because it wont. 1339if test "$static" = "yes"; then 1340 if test "$pie" != "no" && compile_prog "-Werror -fPIE -DPIE" "-static-pie"; then 1341 CONFIGURE_CFLAGS="-fPIE -DPIE $CONFIGURE_CFLAGS" 1342 pie="yes" 1343 elif test "$pie" = "yes"; then 1344 error_exit "-static-pie not available due to missing toolchain support" 1345 else 1346 pie="no" 1347 QEMU_CFLAGS="-fno-pie $QEMU_CFLAGS" 1348 fi 1349elif test "$pie" = "no"; then 1350 if compile_prog "-Werror -fno-pie" "-no-pie"; then 1351 CONFIGURE_CFLAGS="-fno-pie $CONFIGURE_CFLAGS" 1352 CONFIGURE_LDFLAGS="-no-pie $CONFIGURE_LDFLAGS" 1353 QEMU_CFLAGS="-fno-pie -no-pie $QEMU_CFLAGS" 1354 fi 1355elif compile_prog "-Werror -fPIE -DPIE" "-pie"; then 1356 CONFIGURE_CFLAGS="-fPIE -DPIE $CONFIGURE_CFLAGS" 1357 CONFIGURE_LDFLAGS="-pie $CONFIGURE_LDFLAGS" 1358 pie="yes" 1359elif test "$pie" = "yes"; then 1360 error_exit "PIE not available due to missing toolchain support" 1361else 1362 echo "Disabling PIE due to missing toolchain support" 1363 pie="no" 1364fi 1365 1366########################################## 1367# __sync_fetch_and_and requires at least -march=i486. Many toolchains 1368# use i686 as default anyway, but for those that don't, an explicit 1369# specification is necessary 1370 1371if test "$cpu" = "i386"; then 1372 cat > $TMPC << EOF 1373static int sfaa(int *ptr) 1374{ 1375 return __sync_fetch_and_and(ptr, 0); 1376} 1377 1378int main(void) 1379{ 1380 int val = 42; 1381 val = __sync_val_compare_and_swap(&val, 0, 1); 1382 sfaa(&val); 1383 return val; 1384} 1385EOF 1386 if ! compile_prog "" "" ; then 1387 QEMU_CFLAGS="-march=i486 $QEMU_CFLAGS" 1388 fi 1389fi 1390 1391if test -z "${target_list+xxx}" ; then 1392 default_targets=yes 1393 for target in $default_target_list; do 1394 target_list="$target_list $target" 1395 done 1396 target_list="${target_list# }" 1397else 1398 default_targets=no 1399 target_list=$(echo "$target_list" | sed -e 's/,/ /g') 1400 for target in $target_list; do 1401 # Check that we recognised the target name; this allows a more 1402 # friendly error message than if we let it fall through. 1403 case " $default_target_list " in 1404 *" $target "*) 1405 ;; 1406 *) 1407 error_exit "Unknown target name '$target'" 1408 ;; 1409 esac 1410 done 1411fi 1412 1413# see if system emulation was really requested 1414case " $target_list " in 1415 *"-softmmu "*) softmmu=yes 1416 ;; 1417 *) softmmu=no 1418 ;; 1419esac 1420 1421if test "$tcg" = "auto"; then 1422 if test -z "$target_list"; then 1423 tcg="disabled" 1424 else 1425 tcg="enabled" 1426 fi 1427fi 1428 1429if test "$tcg" = "enabled"; then 1430 git_submodules="$git_submodules tests/fp/berkeley-testfloat-3" 1431 git_submodules="$git_submodules tests/fp/berkeley-softfloat-3" 1432fi 1433 1434########################################## 1435# big/little endian test 1436cat > $TMPC << EOF 1437#if defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ 1438# error LITTLE 1439#endif 1440int main(void) { return 0; } 1441EOF 1442 1443if ! compile_prog ; then 1444 bigendian="no" 1445else 1446 cat > $TMPC << EOF 1447#if defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ 1448# error BIG 1449#endif 1450int main(void) { return 0; } 1451EOF 1452 1453 if ! compile_prog ; then 1454 bigendian="yes" 1455 else 1456 echo big/little test failed 1457 exit 1 1458 fi 1459fi 1460 1461########################################## 1462# pkg-config probe 1463 1464if ! has "$pkg_config_exe"; then 1465 error_exit "pkg-config binary '$pkg_config_exe' not found" 1466fi 1467 1468########################################## 1469# glib support probe 1470 1471# When bumping glib_req_ver, please check also whether we should increase 1472# the _WIN32_WINNT setting in osdep.h according to the value from glib 1473glib_req_ver=2.56 1474glib_modules=gthread-2.0 1475if test "$modules" = yes; then 1476 glib_modules="$glib_modules gmodule-export-2.0" 1477elif test "$plugins" = "yes"; then 1478 glib_modules="$glib_modules gmodule-no-export-2.0" 1479fi 1480 1481for i in $glib_modules; do 1482 if $pkg_config --atleast-version=$glib_req_ver $i; then 1483 glib_cflags=$($pkg_config --cflags $i) 1484 glib_libs=$($pkg_config --libs $i) 1485 else 1486 error_exit "glib-$glib_req_ver $i is required to compile QEMU" 1487 fi 1488done 1489 1490# Check whether glib has gslice, which we have to avoid for correctness. 1491# TODO: remove this check and the corresponding workaround (qtree) when 1492# the minimum supported glib is >= $glib_dropped_gslice_version. 1493glib_dropped_gslice_version=2.75.3 1494for i in $glib_modules; do 1495 if ! $pkg_config --atleast-version=$glib_dropped_gslice_version $i; then 1496 glib_has_gslice="yes" 1497 break 1498 fi 1499done 1500 1501glib_bindir="$($pkg_config --variable=bindir glib-2.0)" 1502if test -z "$glib_bindir" ; then 1503 glib_bindir="$($pkg_config --variable=prefix glib-2.0)"/bin 1504fi 1505 1506# This workaround is required due to a bug in pkg-config file for glib as it 1507# doesn't define GLIB_STATIC_COMPILATION for pkg-config --static 1508 1509if test "$static" = yes && test "$mingw32" = yes; then 1510 glib_cflags="-DGLIB_STATIC_COMPILATION $glib_cflags" 1511fi 1512 1513# Sanity check that the current size_t matches the 1514# size that glib thinks it should be. This catches 1515# problems on multi-arch where people try to build 1516# 32-bit QEMU while pointing at 64-bit glib headers 1517cat > $TMPC <<EOF 1518#include <glib.h> 1519#include <unistd.h> 1520 1521#define QEMU_BUILD_BUG_ON(x) \ 1522 typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused)); 1523 1524int main(void) { 1525 QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T); 1526 return 0; 1527} 1528EOF 1529 1530if ! compile_prog "$glib_cflags" "$glib_libs" ; then 1531 error_exit "sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T."\ 1532 "You probably need to set PKG_CONFIG_LIBDIR"\ 1533 "to point to the right pkg-config files for your"\ 1534 "build target" 1535fi 1536 1537# Silence clang warnings triggered by glib < 2.57.2 1538cat > $TMPC << EOF 1539#include <glib.h> 1540typedef struct Foo { 1541 int i; 1542} Foo; 1543static void foo_free(Foo *f) 1544{ 1545 g_free(f); 1546} 1547G_DEFINE_AUTOPTR_CLEANUP_FUNC(Foo, foo_free) 1548int main(void) { return 0; } 1549EOF 1550if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then 1551 if cc_has_warning_flag "-Wno-unused-function"; then 1552 glib_cflags="$glib_cflags -Wno-unused-function" 1553 CONFIGURE_CFLAGS="$CONFIGURE_CFLAGS -Wno-unused-function" 1554 fi 1555fi 1556 1557########################################## 1558# fdt probe 1559 1560case "$fdt" in 1561 auto | enabled | internal) 1562 # Simpler to always update submodule, even if not needed. 1563 git_submodules="${git_submodules} dtc" 1564 ;; 1565esac 1566 1567########################################## 1568# check and set a backend for coroutine 1569 1570# We prefer ucontext, but it's not always possible. The fallback 1571# is sigcontext. On Windows the only valid backend is the Windows 1572# specific one. 1573 1574ucontext_works=no 1575if test "$darwin" != "yes"; then 1576 cat > $TMPC << EOF 1577#include <ucontext.h> 1578#ifdef __stub_makecontext 1579#error Ignoring glibc stub makecontext which will always fail 1580#endif 1581int main(void) { makecontext(0, 0, 0); return 0; } 1582EOF 1583 if compile_prog "" "" ; then 1584 ucontext_works=yes 1585 fi 1586fi 1587 1588if test "$coroutine" = ""; then 1589 if test "$mingw32" = "yes"; then 1590 coroutine=win32 1591 elif test "$ucontext_works" = "yes"; then 1592 coroutine=ucontext 1593 else 1594 coroutine=sigaltstack 1595 fi 1596else 1597 case $coroutine in 1598 windows) 1599 if test "$mingw32" != "yes"; then 1600 error_exit "'windows' coroutine backend only valid for Windows" 1601 fi 1602 # Unfortunately the user visible backend name doesn't match the 1603 # coroutine-*.c filename for this case, so we have to adjust it here. 1604 coroutine=win32 1605 ;; 1606 ucontext) 1607 if test "$ucontext_works" != "yes"; then 1608 error_exit "'ucontext' backend requested but makecontext not available" 1609 fi 1610 ;; 1611 sigaltstack) 1612 if test "$mingw32" = "yes"; then 1613 error_exit "only the 'windows' coroutine backend is valid for Windows" 1614 fi 1615 ;; 1616 *) 1617 error_exit "unknown coroutine backend $coroutine" 1618 ;; 1619 esac 1620fi 1621 1622################################################## 1623# SafeStack 1624 1625 1626if test "$safe_stack" = "yes"; then 1627cat > $TMPC << EOF 1628int main(void) 1629{ 1630#if ! __has_feature(safe_stack) 1631#error SafeStack Disabled 1632#endif 1633 return 0; 1634} 1635EOF 1636 flag="-fsanitize=safe-stack" 1637 # Check that safe-stack is supported and enabled. 1638 if compile_prog "-Werror $flag" "$flag"; then 1639 # Flag needed both at compilation and at linking 1640 QEMU_CFLAGS="$QEMU_CFLAGS $flag" 1641 QEMU_LDFLAGS="$QEMU_LDFLAGS $flag" 1642 else 1643 error_exit "SafeStack not supported by your compiler" 1644 fi 1645 if test "$coroutine" != "ucontext"; then 1646 error_exit "SafeStack is only supported by the coroutine backend ucontext" 1647 fi 1648else 1649cat > $TMPC << EOF 1650int main(void) 1651{ 1652#if defined(__has_feature) 1653#if __has_feature(safe_stack) 1654#error SafeStack Enabled 1655#endif 1656#endif 1657 return 0; 1658} 1659EOF 1660if test "$safe_stack" = "no"; then 1661 # Make sure that safe-stack is disabled 1662 if ! compile_prog "-Werror" ""; then 1663 # SafeStack was already enabled, try to explicitly remove the feature 1664 flag="-fno-sanitize=safe-stack" 1665 if ! compile_prog "-Werror $flag" "$flag"; then 1666 error_exit "Configure cannot disable SafeStack" 1667 fi 1668 QEMU_CFLAGS="$QEMU_CFLAGS $flag" 1669 QEMU_LDFLAGS="$QEMU_LDFLAGS $flag" 1670 fi 1671else # "$safe_stack" = "" 1672 # Set safe_stack to yes or no based on pre-existing flags 1673 if compile_prog "-Werror" ""; then 1674 safe_stack="no" 1675 else 1676 safe_stack="yes" 1677 if test "$coroutine" != "ucontext"; then 1678 error_exit "SafeStack is only supported by the coroutine backend ucontext" 1679 fi 1680 fi 1681fi 1682fi 1683 1684######################################## 1685# check if ccache is interfering with 1686# semantic analysis of macros 1687 1688unset CCACHE_CPP2 1689ccache_cpp2=no 1690cat > $TMPC << EOF 1691static const int Z = 1; 1692#define fn() ({ Z; }) 1693#define TAUT(X) ((X) == Z) 1694#define PAREN(X, Y) (X == Y) 1695#define ID(X) (X) 1696int main(void) 1697{ 1698 int x = 0, y = 0; 1699 x = ID(x); 1700 x = fn(); 1701 fn(); 1702 if (PAREN(x, y)) return 0; 1703 if (TAUT(Z)) return 0; 1704 return 0; 1705} 1706EOF 1707 1708if ! compile_object "-Werror"; then 1709 ccache_cpp2=yes 1710fi 1711 1712################################################# 1713# clang does not support glibc + FORTIFY_SOURCE. 1714 1715if test "$fortify_source" != "no"; then 1716 if echo | $cc -dM -E - | grep __clang__ > /dev/null 2>&1 ; then 1717 fortify_source="no"; 1718 elif test -n "$cxx" && has $cxx && 1719 echo | $cxx -dM -E - | grep __clang__ >/dev/null 2>&1 ; then 1720 fortify_source="no"; 1721 else 1722 fortify_source="yes" 1723 fi 1724fi 1725 1726########################################## 1727# checks for sanitizers 1728 1729have_asan=no 1730have_ubsan=no 1731have_asan_iface_h=no 1732have_asan_iface_fiber=no 1733 1734if test "$sanitizers" = "yes" ; then 1735 write_c_skeleton 1736 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" ""; then 1737 have_asan=yes 1738 fi 1739 1740 # we could use a simple skeleton for flags checks, but this also 1741 # detect the static linking issue of ubsan, see also: 1742 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84285 1743 cat > $TMPC << EOF 1744int main(int argc, char **argv) 1745{ 1746 return argc + 1; 1747} 1748EOF 1749 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=undefined" ""; then 1750 have_ubsan=yes 1751 fi 1752 1753 if check_include "sanitizer/asan_interface.h" ; then 1754 have_asan_iface_h=yes 1755 fi 1756 1757 cat > $TMPC << EOF 1758#include <sanitizer/asan_interface.h> 1759int main(void) { 1760 __sanitizer_start_switch_fiber(0, 0, 0); 1761 return 0; 1762} 1763EOF 1764 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" "" ; then 1765 have_asan_iface_fiber=yes 1766 fi 1767fi 1768 1769# Thread sanitizer is, for now, much noisier than the other sanitizers; 1770# keep it separate until that is not the case. 1771if test "$tsan" = "yes" && test "$sanitizers" = "yes"; then 1772 error_exit "TSAN is not supported with other sanitiziers." 1773fi 1774have_tsan=no 1775have_tsan_iface_fiber=no 1776if test "$tsan" = "yes" ; then 1777 write_c_skeleton 1778 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then 1779 have_tsan=yes 1780 fi 1781 cat > $TMPC << EOF 1782#include <sanitizer/tsan_interface.h> 1783int main(void) { 1784 __tsan_create_fiber(0); 1785 return 0; 1786} 1787EOF 1788 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then 1789 have_tsan_iface_fiber=yes 1790 fi 1791fi 1792 1793########################################## 1794# functions to probe cross compilers 1795 1796container="no" 1797runc="" 1798if test $use_containers = "yes" && (has "docker" || has "podman"); then 1799 case $($python "$source_path"/tests/docker/docker.py probe) in 1800 *docker) container=docker ;; 1801 podman) container=podman ;; 1802 no) container=no ;; 1803 esac 1804 if test "$container" != "no"; then 1805 docker_py="$python $source_path/tests/docker/docker.py --engine $container" 1806 runc=$($python "$source_path"/tests/docker/docker.py probe) 1807 fi 1808fi 1809 1810# cross compilers defaults, can be overridden with --cross-cc-ARCH 1811: ${cross_prefix_aarch64="aarch64-linux-gnu-"} 1812: ${cross_prefix_aarch64_be="$cross_prefix_aarch64"} 1813: ${cross_prefix_alpha="alpha-linux-gnu-"} 1814: ${cross_prefix_arm="arm-linux-gnueabihf-"} 1815: ${cross_prefix_armeb="$cross_prefix_arm"} 1816: ${cross_prefix_hexagon="hexagon-unknown-linux-musl-"} 1817: ${cross_prefix_loongarch64="loongarch64-unknown-linux-gnu-"} 1818: ${cross_prefix_hppa="hppa-linux-gnu-"} 1819: ${cross_prefix_i386="i686-linux-gnu-"} 1820: ${cross_prefix_m68k="m68k-linux-gnu-"} 1821: ${cross_prefix_microblaze="microblaze-linux-musl-"} 1822: ${cross_prefix_mips64el="mips64el-linux-gnuabi64-"} 1823: ${cross_prefix_mips64="mips64-linux-gnuabi64-"} 1824: ${cross_prefix_mipsel="mipsel-linux-gnu-"} 1825: ${cross_prefix_mips="mips-linux-gnu-"} 1826: ${cross_prefix_nios2="nios2-linux-gnu-"} 1827: ${cross_prefix_ppc="powerpc-linux-gnu-"} 1828: ${cross_prefix_ppc64="powerpc64-linux-gnu-"} 1829: ${cross_prefix_ppc64le="$cross_prefix_ppc64"} 1830: ${cross_prefix_riscv64="riscv64-linux-gnu-"} 1831: ${cross_prefix_s390x="s390x-linux-gnu-"} 1832: ${cross_prefix_sh4="sh4-linux-gnu-"} 1833: ${cross_prefix_sparc64="sparc64-linux-gnu-"} 1834: ${cross_prefix_sparc="$cross_prefix_sparc64"} 1835: ${cross_prefix_x86_64="x86_64-linux-gnu-"} 1836 1837: ${cross_cc_aarch64_be="$cross_cc_aarch64"} 1838: ${cross_cc_cflags_aarch64_be="-mbig-endian"} 1839: ${cross_cc_armeb="$cross_cc_arm"} 1840: ${cross_cc_cflags_armeb="-mbig-endian"} 1841: ${cross_cc_hexagon="hexagon-unknown-linux-musl-clang"} 1842: ${cross_cc_cflags_hexagon="-mv67 -O2 -static"} 1843: ${cross_cc_cflags_i386="-m32"} 1844: ${cross_cc_cflags_ppc="-m32 -mbig-endian"} 1845: ${cross_cc_cflags_ppc64="-m64 -mbig-endian"} 1846: ${cross_cc_ppc64le="$cross_cc_ppc64"} 1847: ${cross_cc_cflags_ppc64le="-m64 -mlittle-endian"} 1848: ${cross_cc_cflags_sparc64="-m64 -mcpu=ultrasparc"} 1849: ${cross_cc_sparc="$cross_cc_sparc64"} 1850: ${cross_cc_cflags_sparc="-m32 -mcpu=supersparc"} 1851: ${cross_cc_cflags_x86_64="-m64"} 1852 1853compute_target_variable() { 1854 eval "$2=" 1855 if eval test -n "\"\${cross_prefix_$1}\""; then 1856 if eval has "\"\${cross_prefix_$1}\$3\""; then 1857 eval "$2=\"\${cross_prefix_$1}\$3\"" 1858 fi 1859 fi 1860} 1861 1862have_target() { 1863 for i; do 1864 case " $target_list " in 1865 *" $i "*) return 0;; 1866 *) ;; 1867 esac 1868 done 1869 return 1 1870} 1871 1872# probe_target_compiler TARGET 1873# 1874# Look for a compiler for the given target, either native or cross. 1875# Set variables target_* if a compiler is found, and container_cross_* 1876# if a Docker-based cross-compiler image is known for the target. 1877# Set got_cross_cc to yes/no depending on whether a non-container-based 1878# compiler was found. 1879# 1880# If TARGET is a user-mode emulation target, also set build_static to 1881# "y" if static linking is possible. 1882# 1883probe_target_compiler() { 1884 # reset all output variables 1885 got_cross_cc=no 1886 container_image= 1887 container_hosts= 1888 container_cross_cc= 1889 container_cross_ar= 1890 container_cross_as= 1891 container_cross_ld= 1892 container_cross_nm= 1893 container_cross_objcopy= 1894 container_cross_ranlib= 1895 container_cross_strip= 1896 1897 # We shall skip configuring the target compiler if the user didn't 1898 # bother enabling an appropriate guest. This avoids building 1899 # extraneous firmware images and tests. 1900 if test "${target_list#*$1}" = "$1"; then 1901 return 1 1902 fi 1903 1904 target_arch=${1%%-*} 1905 case $target_arch in 1906 aarch64) container_hosts="x86_64 aarch64" ;; 1907 alpha) container_hosts=x86_64 ;; 1908 arm) container_hosts="x86_64 aarch64" ;; 1909 cris) container_hosts=x86_64 ;; 1910 hexagon) container_hosts=x86_64 ;; 1911 hppa) container_hosts=x86_64 ;; 1912 i386) container_hosts=x86_64 ;; 1913 loongarch64) container_hosts=x86_64 ;; 1914 m68k) container_hosts=x86_64 ;; 1915 microblaze) container_hosts=x86_64 ;; 1916 mips64el) container_hosts=x86_64 ;; 1917 mips64) container_hosts=x86_64 ;; 1918 mipsel) container_hosts=x86_64 ;; 1919 mips) container_hosts=x86_64 ;; 1920 nios2) container_hosts=x86_64 ;; 1921 ppc) container_hosts=x86_64 ;; 1922 ppc64|ppc64le) container_hosts=x86_64 ;; 1923 riscv64) container_hosts=x86_64 ;; 1924 s390x) container_hosts=x86_64 ;; 1925 sh4) container_hosts=x86_64 ;; 1926 sparc64) container_hosts=x86_64 ;; 1927 tricore) container_hosts=x86_64 ;; 1928 x86_64) container_hosts="aarch64 ppc64el x86_64" ;; 1929 xtensa*) container_hosts=x86_64 ;; 1930 esac 1931 1932 for host in $container_hosts; do 1933 test "$container" != no || continue 1934 test "$host" = "$cpu" || continue 1935 case $target_arch in 1936 aarch64) 1937 # We don't have any bigendian build tools so we only use this for AArch64 1938 container_image=debian-arm64-cross 1939 container_cross_prefix=aarch64-linux-gnu- 1940 container_cross_cc=${container_cross_prefix}gcc-10 1941 ;; 1942 alpha) 1943 container_image=debian-alpha-cross 1944 container_cross_prefix=alpha-linux-gnu- 1945 ;; 1946 arm) 1947 # We don't have any bigendian build tools so we only use this for ARM 1948 container_image=debian-armhf-cross 1949 container_cross_prefix=arm-linux-gnueabihf- 1950 ;; 1951 cris) 1952 container_image=fedora-cris-cross 1953 container_cross_prefix=cris-linux-gnu- 1954 ;; 1955 hexagon) 1956 container_image=debian-hexagon-cross 1957 container_cross_prefix=hexagon-unknown-linux-musl- 1958 container_cross_cc=${container_cross_prefix}clang 1959 ;; 1960 hppa) 1961 container_image=debian-hppa-cross 1962 container_cross_prefix=hppa-linux-gnu- 1963 ;; 1964 i386) 1965 container_image=fedora-i386-cross 1966 container_cross_prefix= 1967 ;; 1968 loongarch64) 1969 container_image=debian-loongarch-cross 1970 container_cross_prefix=loongarch64-unknown-linux-gnu- 1971 ;; 1972 m68k) 1973 container_image=debian-m68k-cross 1974 container_cross_prefix=m68k-linux-gnu- 1975 ;; 1976 microblaze) 1977 container_image=debian-microblaze-cross 1978 container_cross_prefix=microblaze-linux-musl- 1979 ;; 1980 mips64el) 1981 container_image=debian-mips64el-cross 1982 container_cross_prefix=mips64el-linux-gnuabi64- 1983 ;; 1984 mips64) 1985 container_image=debian-mips64-cross 1986 container_cross_prefix=mips64-linux-gnuabi64- 1987 ;; 1988 mipsel) 1989 container_image=debian-mipsel-cross 1990 container_cross_prefix=mipsel-linux-gnu- 1991 ;; 1992 mips) 1993 container_image=debian-mips-cross 1994 container_cross_prefix=mips-linux-gnu- 1995 ;; 1996 nios2) 1997 container_image=debian-nios2-cross 1998 container_cross_prefix=nios2-linux-gnu- 1999 ;; 2000 ppc) 2001 container_image=debian-powerpc-test-cross 2002 container_cross_prefix=powerpc-linux-gnu- 2003 container_cross_cc=${container_cross_prefix}gcc-10 2004 ;; 2005 ppc64|ppc64le) 2006 container_image=debian-powerpc-test-cross 2007 container_cross_prefix=powerpc${target_arch#ppc}-linux-gnu- 2008 container_cross_cc=${container_cross_prefix}gcc-10 2009 ;; 2010 riscv64) 2011 container_image=debian-riscv64-test-cross 2012 container_cross_prefix=riscv64-linux-gnu- 2013 ;; 2014 s390x) 2015 container_image=debian-s390x-cross 2016 container_cross_prefix=s390x-linux-gnu- 2017 ;; 2018 sh4) 2019 container_image=debian-sh4-cross 2020 container_cross_prefix=sh4-linux-gnu- 2021 ;; 2022 sparc64) 2023 container_image=debian-sparc64-cross 2024 container_cross_prefix=sparc64-linux-gnu- 2025 ;; 2026 tricore) 2027 container_image=debian-tricore-cross 2028 container_cross_prefix=tricore- 2029 container_cross_as=tricore-as 2030 container_cross_ld=tricore-ld 2031 break 2032 ;; 2033 x86_64) 2034 container_image=debian-amd64-cross 2035 container_cross_prefix=x86_64-linux-gnu- 2036 ;; 2037 xtensa*) 2038 container_hosts=x86_64 2039 container_image=debian-xtensa-cross 2040 2041 # default to the dc232b cpu 2042 container_cross_prefix=/opt/2020.07/xtensa-dc232b-elf/bin/xtensa-dc232b-elf- 2043 ;; 2044 esac 2045 : ${container_cross_cc:=${container_cross_prefix}gcc} 2046 : ${container_cross_ar:=${container_cross_prefix}ar} 2047 : ${container_cross_as:=${container_cross_prefix}as} 2048 : ${container_cross_ld:=${container_cross_prefix}ld} 2049 : ${container_cross_nm:=${container_cross_prefix}nm} 2050 : ${container_cross_objcopy:=${container_cross_prefix}objcopy} 2051 : ${container_cross_ranlib:=${container_cross_prefix}ranlib} 2052 : ${container_cross_strip:=${container_cross_prefix}strip} 2053 done 2054 2055 try=cross 2056 case "$target_arch:$cpu" in 2057 aarch64_be:aarch64 | \ 2058 armeb:arm | \ 2059 i386:x86_64 | \ 2060 mips*:mips64 | \ 2061 ppc*:ppc64 | \ 2062 sparc:sparc64 | \ 2063 "$cpu:$cpu") 2064 try='native cross' ;; 2065 esac 2066 eval "target_cflags=\${cross_cc_cflags_$target_arch}" 2067 for thistry in $try; do 2068 case $thistry in 2069 native) 2070 target_cc=$cc 2071 target_ccas=$ccas 2072 target_ar=$ar 2073 target_as=$as 2074 target_ld=$ld 2075 target_nm=$nm 2076 target_objcopy=$objcopy 2077 target_ranlib=$ranlib 2078 target_strip=$strip 2079 ;; 2080 cross) 2081 target_cc= 2082 if eval test -n "\"\${cross_cc_$target_arch}\""; then 2083 if eval has "\"\${cross_cc_$target_arch}\""; then 2084 eval "target_cc=\"\${cross_cc_$target_arch}\"" 2085 fi 2086 else 2087 compute_target_variable $target_arch target_cc gcc 2088 fi 2089 target_ccas=$target_cc 2090 compute_target_variable $target_arch target_ar ar 2091 compute_target_variable $target_arch target_as as 2092 compute_target_variable $target_arch target_ld ld 2093 compute_target_variable $target_arch target_nm nm 2094 compute_target_variable $target_arch target_objcopy objcopy 2095 compute_target_variable $target_arch target_ranlib ranlib 2096 compute_target_variable $target_arch target_strip strip 2097 ;; 2098 esac 2099 2100 if test -n "$target_cc"; then 2101 case $target_arch in 2102 i386|x86_64) 2103 if $target_cc --version | grep -qi "clang"; then 2104 continue 2105 fi 2106 ;; 2107 esac 2108 elif test -n "$target_as" && test -n "$target_ld"; then 2109 # Special handling for assembler only targets 2110 case $target in 2111 tricore-softmmu) 2112 build_static= 2113 got_cross_cc=yes 2114 break 2115 ;; 2116 *) 2117 continue 2118 ;; 2119 esac 2120 else 2121 continue 2122 fi 2123 2124 write_c_skeleton 2125 case $1 in 2126 *-softmmu) 2127 if do_compiler "$target_cc" $target_cflags -o $TMPO -c $TMPC && 2128 do_compiler "$target_cc" $target_cflags -r -nostdlib -o "${TMPDIR1}/${TMPB}2.o" "$TMPO" -lgcc; then 2129 got_cross_cc=yes 2130 break 2131 fi 2132 ;; 2133 *) 2134 if do_compiler "$target_cc" $target_cflags -o $TMPE $TMPC -static ; then 2135 build_static=y 2136 got_cross_cc=yes 2137 break 2138 fi 2139 if do_compiler "$target_cc" $target_cflags -o $TMPE $TMPC ; then 2140 build_static= 2141 got_cross_cc=yes 2142 break 2143 fi 2144 ;; 2145 esac 2146 done 2147 if test $got_cross_cc != yes; then 2148 build_static= 2149 target_cc= 2150 target_ccas= 2151 target_ar= 2152 target_as= 2153 target_ld= 2154 target_nm= 2155 target_objcopy= 2156 target_ranlib= 2157 target_strip= 2158 fi 2159 test -n "$target_cc" 2160} 2161 2162write_target_makefile() { 2163 echo "EXTRA_CFLAGS=$target_cflags" 2164 if test -z "$target_cc" && test -z "$target_as"; then 2165 test -z "$container_image" && error_exit "Internal error: could not find cross compiler for $1?" 2166 echo "$1: docker-image-$container_image" >> Makefile.prereqs 2167 if test -n "$container_cross_cc"; then 2168 echo "CC=$docker_py cc --cc $container_cross_cc -i qemu/$container_image -s $source_path --" 2169 echo "CCAS=$docker_py cc --cc $container_cross_cc -i qemu/$container_image -s $source_path --" 2170 fi 2171 echo "AR=$docker_py cc --cc $container_cross_ar -i qemu/$container_image -s $source_path --" 2172 echo "AS=$docker_py cc --cc $container_cross_as -i qemu/$container_image -s $source_path --" 2173 echo "LD=$docker_py cc --cc $container_cross_ld -i qemu/$container_image -s $source_path --" 2174 echo "NM=$docker_py cc --cc $container_cross_nm -i qemu/$container_image -s $source_path --" 2175 echo "OBJCOPY=$docker_py cc --cc $container_cross_objcopy -i qemu/$container_image -s $source_path --" 2176 echo "RANLIB=$docker_py cc --cc $container_cross_ranlib -i qemu/$container_image -s $source_path --" 2177 echo "STRIP=$docker_py cc --cc $container_cross_strip -i qemu/$container_image -s $source_path --" 2178 else 2179 if test -n "$target_cc"; then 2180 echo "CC=$target_cc" 2181 echo "CCAS=$target_ccas" 2182 fi 2183 if test -n "$target_ar"; then 2184 echo "AR=$target_ar" 2185 fi 2186 if test -n "$target_as"; then 2187 echo "AS=$target_as" 2188 fi 2189 if test -n "$target_ld"; then 2190 echo "LD=$target_ld" 2191 fi 2192 if test -n "$target_nm"; then 2193 echo "NM=$target_nm" 2194 fi 2195 if test -n "$target_objcopy"; then 2196 echo "OBJCOPY=$target_objcopy" 2197 fi 2198 if test -n "$target_ranlib"; then 2199 echo "RANLIB=$target_ranlib" 2200 fi 2201 if test -n "$target_strip"; then 2202 echo "STRIP=$target_strip" 2203 fi 2204 fi 2205} 2206 2207########################################## 2208# check for vfio_user_server 2209 2210case "$vfio_user_server" in 2211 enabled ) 2212 if test "$git_submodules_action" != "ignore"; then 2213 git_submodules="${git_submodules} subprojects/libvfio-user" 2214 fi 2215 ;; 2216esac 2217 2218########################################## 2219# End of CC checks 2220# After here, no more $cc or $ld runs 2221 2222write_c_skeleton 2223 2224if test "$fortify_source" = "yes" ; then 2225 QEMU_CFLAGS="-U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $QEMU_CFLAGS" 2226fi 2227 2228if test "$have_asan" = "yes"; then 2229 QEMU_CFLAGS="-fsanitize=address $QEMU_CFLAGS" 2230 QEMU_LDFLAGS="-fsanitize=address $QEMU_LDFLAGS" 2231 if test "$have_asan_iface_h" = "no" ; then 2232 echo "ASAN build enabled, but ASAN header missing." \ 2233 "Without code annotation, the report may be inferior." 2234 elif test "$have_asan_iface_fiber" = "no" ; then 2235 echo "ASAN build enabled, but ASAN header is too old." \ 2236 "Without code annotation, the report may be inferior." 2237 fi 2238fi 2239if test "$have_tsan" = "yes" ; then 2240 if test "$have_tsan_iface_fiber" = "yes" ; then 2241 QEMU_CFLAGS="-fsanitize=thread $QEMU_CFLAGS" 2242 QEMU_LDFLAGS="-fsanitize=thread $QEMU_LDFLAGS" 2243 else 2244 error_exit "Cannot enable TSAN due to missing fiber annotation interface." 2245 fi 2246elif test "$tsan" = "yes" ; then 2247 error_exit "Cannot enable TSAN due to missing sanitize thread interface." 2248fi 2249if test "$have_ubsan" = "yes"; then 2250 QEMU_CFLAGS="-fsanitize=undefined $QEMU_CFLAGS" 2251 QEMU_LDFLAGS="-fsanitize=undefined $QEMU_LDFLAGS" 2252fi 2253 2254####################################### 2255# cross-compiled firmware targets 2256 2257# Set up build tree symlinks that point back into the source tree 2258# (these can be both files and directories). 2259# Caution: avoid adding files or directories here using wildcards. This 2260# will result in problems later if a new file matching the wildcard is 2261# added to the source tree -- nothing will cause configure to be rerun 2262# so the build tree will be missing the link back to the new file, and 2263# tests might fail. Prefer to keep the relevant files in their own 2264# directory and symlink the directory instead. 2265LINKS="Makefile" 2266LINKS="$LINKS docs/config" 2267LINKS="$LINKS pc-bios/optionrom/Makefile" 2268LINKS="$LINKS pc-bios/s390-ccw/Makefile" 2269LINKS="$LINKS pc-bios/vof/Makefile" 2270LINKS="$LINKS .gdbinit scripts" # scripts needed by relative path in .gdbinit 2271LINKS="$LINKS tests/avocado tests/data" 2272LINKS="$LINKS tests/qemu-iotests/check" 2273LINKS="$LINKS python" 2274LINKS="$LINKS contrib/plugins/Makefile " 2275for f in $LINKS ; do 2276 if [ -e "$source_path/$f" ]; then 2277 mkdir -p "$(dirname ./"$f")" 2278 symlink "$source_path/$f" "$f" 2279 fi 2280done 2281 2282echo "# Automatically generated by configure - do not modify" > Makefile.prereqs 2283 2284# Mac OS X ships with a broken assembler 2285roms= 2286if have_target i386-softmmu x86_64-softmmu && \ 2287 test "$targetos" != "darwin" && test "$targetos" != "sunos" && \ 2288 test "$targetos" != "haiku" && \ 2289 probe_target_compiler i386-softmmu; then 2290 roms="pc-bios/optionrom" 2291 config_mak=pc-bios/optionrom/config.mak 2292 echo "# Automatically generated by configure - do not modify" > $config_mak 2293 echo "TOPSRC_DIR=$source_path" >> $config_mak 2294 write_target_makefile >> $config_mak 2295fi 2296 2297if have_target ppc-softmmu ppc64-softmmu && \ 2298 probe_target_compiler ppc-softmmu; then 2299 roms="$roms pc-bios/vof" 2300 config_mak=pc-bios/vof/config.mak 2301 echo "# Automatically generated by configure - do not modify" > $config_mak 2302 echo "SRC_DIR=$source_path/pc-bios/vof" >> $config_mak 2303 write_target_makefile >> $config_mak 2304fi 2305 2306# Only build s390-ccw bios if the compiler has -march=z900 or -march=z10 2307# (which is the lowest architecture level that Clang supports) 2308if have_target s390x-softmmu && probe_target_compiler s390x-softmmu; then 2309 write_c_skeleton 2310 do_compiler "$target_cc" $target_cc_cflags -march=z900 -o $TMPO -c $TMPC 2311 has_z900=$? 2312 if [ $has_z900 = 0 ] || do_compiler "$target_cc" $target_cc_cflags -march=z10 -msoft-float -Werror -o $TMPO -c $TMPC; then 2313 if [ $has_z900 != 0 ]; then 2314 echo "WARNING: Your compiler does not support the z900!" 2315 echo " The s390-ccw bios will only work with guest CPUs >= z10." 2316 fi 2317 roms="$roms pc-bios/s390-ccw" 2318 config_mak=pc-bios/s390-ccw/config-host.mak 2319 echo "# Automatically generated by configure - do not modify" > $config_mak 2320 echo "SRC_PATH=$source_path/pc-bios/s390-ccw" >> $config_mak 2321 write_target_makefile >> $config_mak 2322 # SLOF is required for building the s390-ccw firmware on s390x, 2323 # since it is using the libnet code from SLOF for network booting. 2324 git_submodules="${git_submodules} roms/SLOF" 2325 fi 2326fi 2327 2328####################################### 2329# generate config-host.mak 2330 2331if ! (GIT="$git" "$source_path/scripts/git-submodule.sh" "$git_submodules_action" "$git_submodules"); then 2332 exit 1 2333fi 2334 2335config_host_mak="config-host.mak" 2336 2337echo "# Automatically generated by configure - do not modify" > $config_host_mak 2338echo >> $config_host_mak 2339 2340echo all: >> $config_host_mak 2341echo "GIT=$git" >> $config_host_mak 2342echo "GIT_SUBMODULES=$git_submodules" >> $config_host_mak 2343echo "GIT_SUBMODULES_ACTION=$git_submodules_action" >> $config_host_mak 2344 2345if test "$debug_tcg" = "yes" ; then 2346 echo "CONFIG_DEBUG_TCG=y" >> $config_host_mak 2347fi 2348if test "$mingw32" = "yes" ; then 2349 echo "CONFIG_WIN32=y" >> $config_host_mak 2350 echo "QEMU_GA_MANUFACTURER=${QEMU_GA_MANUFACTURER-QEMU}" >> $config_host_mak 2351 echo "QEMU_GA_DISTRO=${QEMU_GA_DISTRO-Linux}" >> $config_host_mak 2352 echo "QEMU_GA_VERSION=${QEMU_GA_VERSION-$(cat "$source_path"/VERSION)}" >> $config_host_mak 2353else 2354 echo "CONFIG_POSIX=y" >> $config_host_mak 2355fi 2356 2357if test "$linux" = "yes" ; then 2358 echo "CONFIG_LINUX=y" >> $config_host_mak 2359fi 2360 2361if test "$darwin" = "yes" ; then 2362 echo "CONFIG_DARWIN=y" >> $config_host_mak 2363fi 2364 2365if test "$solaris" = "yes" ; then 2366 echo "CONFIG_SOLARIS=y" >> $config_host_mak 2367fi 2368if test "$static" = "yes" ; then 2369 echo "CONFIG_STATIC=y" >> $config_host_mak 2370fi 2371echo "SRC_PATH=$source_path" >> $config_host_mak 2372echo "TARGET_DIRS=$target_list" >> $config_host_mak 2373if test "$modules" = "yes"; then 2374 echo "CONFIG_MODULES=y" >> $config_host_mak 2375fi 2376 2377# XXX: suppress that 2378if [ "$bsd" = "yes" ] ; then 2379 echo "CONFIG_BSD=y" >> $config_host_mak 2380fi 2381 2382echo "CONFIG_COROUTINE_BACKEND=$coroutine" >> $config_host_mak 2383 2384if test "$have_asan_iface_fiber" = "yes" ; then 2385 echo "CONFIG_ASAN_IFACE_FIBER=y" >> $config_host_mak 2386fi 2387 2388if test "$have_tsan" = "yes" && test "$have_tsan_iface_fiber" = "yes" ; then 2389 echo "CONFIG_TSAN=y" >> $config_host_mak 2390fi 2391 2392if test "$plugins" = "yes" ; then 2393 echo "CONFIG_PLUGIN=y" >> $config_host_mak 2394fi 2395 2396if test -n "$gdb_bin"; then 2397 gdb_version=$($gdb_bin --version | head -n 1) 2398 if version_ge ${gdb_version##* } 9.1; then 2399 echo "HAVE_GDB_BIN=$gdb_bin" >> $config_host_mak 2400 gdb_arches=$("$source_path/scripts/probe-gdb-support.py" $gdb_bin) 2401 else 2402 gdb_bin="" 2403 fi 2404fi 2405 2406if test "$container" != no; then 2407 echo "ENGINE=$container" >> $config_host_mak 2408 echo "RUNC=$runc" >> $config_host_mak 2409fi 2410echo "ROMS=$roms" >> $config_host_mak 2411echo "MAKE=$make" >> $config_host_mak 2412echo "PYTHON=$python" >> $config_host_mak 2413echo "GENISOIMAGE=$genisoimage" >> $config_host_mak 2414echo "MESON=$meson" >> $config_host_mak 2415echo "NINJA=$ninja" >> $config_host_mak 2416echo "CC=$cc" >> $config_host_mak 2417echo "QEMU_CFLAGS=$QEMU_CFLAGS" >> $config_host_mak 2418echo "QEMU_OBJCFLAGS=$QEMU_OBJCFLAGS" >> $config_host_mak 2419echo "GLIB_CFLAGS=$glib_cflags" >> $config_host_mak 2420echo "GLIB_LIBS=$glib_libs" >> $config_host_mak 2421echo "GLIB_BINDIR=$glib_bindir" >> $config_host_mak 2422echo "GLIB_VERSION=$($pkg_config --modversion glib-2.0)" >> $config_host_mak 2423if test "$glib_has_gslice" = "yes" ; then 2424 echo "HAVE_GLIB_WITH_SLICE_ALLOCATOR=y" >> $config_host_mak 2425fi 2426echo "QEMU_LDFLAGS=$QEMU_LDFLAGS" >> $config_host_mak 2427echo "EXESUF=$EXESUF" >> $config_host_mak 2428 2429# use included Linux headers 2430if test "$linux" = "yes" ; then 2431 mkdir -p linux-headers 2432 case "$cpu" in 2433 i386|x86_64) 2434 linux_arch=x86 2435 ;; 2436 ppc|ppc64) 2437 linux_arch=powerpc 2438 ;; 2439 s390x) 2440 linux_arch=s390 2441 ;; 2442 aarch64) 2443 linux_arch=arm64 2444 ;; 2445 loongarch*) 2446 linux_arch=loongarch 2447 ;; 2448 mips64) 2449 linux_arch=mips 2450 ;; 2451 *) 2452 # For most CPUs the kernel architecture name and QEMU CPU name match. 2453 linux_arch="$cpu" 2454 ;; 2455 esac 2456 # For non-KVM architectures we will not have asm headers 2457 if [ -e "$source_path/linux-headers/asm-$linux_arch" ]; then 2458 symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm 2459 fi 2460fi 2461 2462for target in $target_list; do 2463 target_dir="$target" 2464 target_name=$(echo $target | cut -d '-' -f 1)$EXESUF 2465 mkdir -p "$target_dir" 2466 case $target in 2467 *-user) symlink "../qemu-$target_name" "$target_dir/qemu-$target_name" ;; 2468 *) symlink "../qemu-system-$target_name" "$target_dir/qemu-system-$target_name" ;; 2469 esac 2470done 2471 2472if test "$default_targets" = "yes"; then 2473 echo "CONFIG_DEFAULT_TARGETS=y" >> $config_host_mak 2474fi 2475 2476if test "$ccache_cpp2" = "yes"; then 2477 echo "export CCACHE_CPP2=y" >> $config_host_mak 2478fi 2479 2480if test "$safe_stack" = "yes"; then 2481 echo "CONFIG_SAFESTACK=y" >> $config_host_mak 2482fi 2483 2484# tests/tcg configuration 2485(config_host_mak=tests/tcg/config-host.mak 2486mkdir -p tests/tcg 2487echo "# Automatically generated by configure - do not modify" > $config_host_mak 2488echo "SRC_PATH=$source_path" >> $config_host_mak 2489echo "HOST_CC=$host_cc" >> $config_host_mak 2490 2491# versioned checked in the main config_host.mak above 2492if test -n "$gdb_bin"; then 2493 echo "HAVE_GDB_BIN=$gdb_bin" >> $config_host_mak 2494fi 2495if test "$plugins" = "yes" ; then 2496 echo "CONFIG_PLUGIN=y" >> $config_host_mak 2497fi 2498 2499tcg_tests_targets= 2500for target in $target_list; do 2501 arch=${target%%-*} 2502 2503 case $target in 2504 xtensa*-linux-user) 2505 # the toolchain is not complete with headers, only build softmmu tests 2506 continue 2507 ;; 2508 *-softmmu) 2509 test -f "$source_path/tests/tcg/$arch/Makefile.softmmu-target" || continue 2510 qemu="qemu-system-$arch" 2511 ;; 2512 *-linux-user|*-bsd-user) 2513 qemu="qemu-$arch" 2514 ;; 2515 esac 2516 2517 if probe_target_compiler $target || test -n "$container_image"; then 2518 test -n "$container_image" && build_static=y 2519 mkdir -p "tests/tcg/$target" 2520 config_target_mak=tests/tcg/$target/config-target.mak 2521 ln -sf "$source_path/tests/tcg/Makefile.target" "tests/tcg/$target/Makefile" 2522 echo "# Automatically generated by configure - do not modify" > "$config_target_mak" 2523 echo "TARGET_NAME=$arch" >> "$config_target_mak" 2524 echo "TARGET=$target" >> "$config_target_mak" 2525 write_target_makefile "build-tcg-tests-$target" >> "$config_target_mak" 2526 echo "BUILD_STATIC=$build_static" >> "$config_target_mak" 2527 echo "QEMU=$PWD/$qemu" >> "$config_target_mak" 2528 2529 # will GDB work with these binaries? 2530 if test "${gdb_arches#*$arch}" != "$gdb_arches"; then 2531 echo "HOST_GDB_SUPPORTS_ARCH=y" >> "$config_target_mak" 2532 fi 2533 2534 echo "run-tcg-tests-$target: $qemu\$(EXESUF)" >> Makefile.prereqs 2535 tcg_tests_targets="$tcg_tests_targets $target" 2536 fi 2537done 2538 2539if test "$tcg" = "enabled"; then 2540 echo "TCG_TESTS_TARGETS=$tcg_tests_targets" >> config-host.mak 2541fi 2542) 2543 2544if test "$skip_meson" = no; then 2545 cross="config-meson.cross.new" 2546 meson_quote() { 2547 test $# = 0 && return 2548 echo "'$(echo $* | sed "s/ /','/g")'" 2549 } 2550 2551 echo "# Automatically generated by configure - do not modify" > $cross 2552 echo "[properties]" >> $cross 2553 2554 # unroll any custom device configs 2555 for a in $device_archs; do 2556 eval "c=\$devices_${a}" 2557 echo "${a}-softmmu = '$c'" >> $cross 2558 done 2559 2560 echo "[built-in options]" >> $cross 2561 echo "c_args = [$(meson_quote $CFLAGS $EXTRA_CFLAGS)]" >> $cross 2562 echo "cpp_args = [$(meson_quote $CXXFLAGS $EXTRA_CXXFLAGS)]" >> $cross 2563 test -n "$objcc" && echo "objc_args = [$(meson_quote $OBJCFLAGS $EXTRA_OBJCFLAGS)]" >> $cross 2564 echo "c_link_args = [$(meson_quote $CFLAGS $LDFLAGS $EXTRA_CFLAGS $EXTRA_LDFLAGS)]" >> $cross 2565 echo "cpp_link_args = [$(meson_quote $CXXFLAGS $LDFLAGS $EXTRA_CXXFLAGS $EXTRA_LDFLAGS)]" >> $cross 2566 echo "[binaries]" >> $cross 2567 echo "c = [$(meson_quote $cc $CPU_CFLAGS)]" >> $cross 2568 test -n "$cxx" && echo "cpp = [$(meson_quote $cxx $CPU_CFLAGS)]" >> $cross 2569 test -n "$objcc" && echo "objc = [$(meson_quote $objcc $CPU_CFLAGS)]" >> $cross 2570 echo "ar = [$(meson_quote $ar)]" >> $cross 2571 echo "nm = [$(meson_quote $nm)]" >> $cross 2572 echo "pkgconfig = [$(meson_quote $pkg_config_exe)]" >> $cross 2573 echo "ranlib = [$(meson_quote $ranlib)]" >> $cross 2574 if has $sdl2_config; then 2575 echo "sdl2-config = [$(meson_quote $sdl2_config)]" >> $cross 2576 fi 2577 echo "strip = [$(meson_quote $strip)]" >> $cross 2578 echo "widl = [$(meson_quote $widl)]" >> $cross 2579 echo "windres = [$(meson_quote $windres)]" >> $cross 2580 echo "windmc = [$(meson_quote $windmc)]" >> $cross 2581 if test "$cross_compile" = "yes"; then 2582 cross_arg="--cross-file config-meson.cross" 2583 echo "[host_machine]" >> $cross 2584 echo "system = '$targetos'" >> $cross 2585 case "$cpu" in 2586 i386) 2587 echo "cpu_family = 'x86'" >> $cross 2588 ;; 2589 *) 2590 echo "cpu_family = '$cpu'" >> $cross 2591 ;; 2592 esac 2593 echo "cpu = '$cpu'" >> $cross 2594 if test "$bigendian" = "yes" ; then 2595 echo "endian = 'big'" >> $cross 2596 else 2597 echo "endian = 'little'" >> $cross 2598 fi 2599 else 2600 cross_arg="--native-file config-meson.cross" 2601 fi 2602 mv $cross config-meson.cross 2603 2604 rm -rf meson-private meson-info meson-logs 2605 2606 # Prevent meson from automatically downloading wrapped subprojects when missing. 2607 # You can use 'meson subprojects download' before running configure. 2608 meson_option_add "--wrap-mode=nodownload" 2609 2610 # Built-in options 2611 test "$bindir" != "bin" && meson_option_add "-Dbindir=$bindir" 2612 test "$default_feature" = no && meson_option_add -Dauto_features=disabled 2613 test "$pie" = no && meson_option_add -Db_pie=false 2614 test "$werror" = yes && meson_option_add -Dwerror=true 2615 2616 # QEMU options 2617 test "$cfi" != false && meson_option_add "-Dcfi=$cfi" 2618 test "$fdt" != auto && meson_option_add "-Dfdt=$fdt" 2619 test -n "${LIB_FUZZING_ENGINE+xxx}" && meson_option_add "-Dfuzzing_engine=$LIB_FUZZING_ENGINE" 2620 test "$qemu_suffix" != qemu && meson_option_add "-Dqemu_suffix=$qemu_suffix" 2621 test "$smbd" != '' && meson_option_add "-Dsmbd=$smbd" 2622 test "$tcg" != enabled && meson_option_add "-Dtcg=$tcg" 2623 test "$vfio_user_server" != auto && meson_option_add "-Dvfio_user_server=$vfio_user_server" 2624 run_meson() { 2625 NINJA=$ninja $meson setup --prefix "$prefix" "$@" $cross_arg "$PWD" "$source_path" 2626 } 2627 eval run_meson $meson_options 2628 if test "$?" -ne 0 ; then 2629 error_exit "meson setup failed" 2630 fi 2631fi 2632 2633# Save the configure command line for later reuse. 2634cat <<EOD >config.status 2635#!/bin/sh 2636# Generated by configure. 2637# Run this file to recreate the current configuration. 2638# Compiler output produced by configure, useful for debugging 2639# configure, is in config.log if it exists. 2640EOD 2641 2642preserve_env() { 2643 envname=$1 2644 2645 eval envval=\$$envname 2646 2647 if test -n "$envval" 2648 then 2649 echo "$envname='$envval'" >> config.status 2650 echo "export $envname" >> config.status 2651 else 2652 echo "unset $envname" >> config.status 2653 fi 2654} 2655 2656# Preserve various env variables that influence what 2657# features/build target configure will detect 2658preserve_env AR 2659preserve_env AS 2660preserve_env CC 2661preserve_env CFLAGS 2662preserve_env CXX 2663preserve_env CXXFLAGS 2664preserve_env LD 2665preserve_env LDFLAGS 2666preserve_env LD_LIBRARY_PATH 2667preserve_env MAKE 2668preserve_env NM 2669preserve_env OBJCFLAGS 2670preserve_env OBJCOPY 2671preserve_env PATH 2672preserve_env PKG_CONFIG 2673preserve_env PKG_CONFIG_LIBDIR 2674preserve_env PKG_CONFIG_PATH 2675preserve_env PYTHON 2676preserve_env QEMU_GA_MANUFACTURER 2677preserve_env QEMU_GA_DISTRO 2678preserve_env QEMU_GA_VERSION 2679preserve_env SDL2_CONFIG 2680preserve_env SMBD 2681preserve_env STRIP 2682preserve_env WIDL 2683preserve_env WINDRES 2684preserve_env WINDMC 2685 2686printf "exec" >>config.status 2687for i in "$0" "$@"; do 2688 test "$i" = --skip-meson || printf " %s" "$(quote_sh "$i")" >>config.status 2689done 2690echo ' "$@"' >>config.status 2691chmod +x config.status 2692 2693rm -r "$TMPDIR1" 2694