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" 292meson="" 293ninja="" 294bindir="bin" 295skip_meson=no 296vfio_user_server="disabled" 297 298# The following Meson options are handled manually (still they 299# are included in the automatically generated help message) 300 301# 1. Track which submodules are needed 302fdt="auto" 303 304# 2. Automatically enable/disable other options 305tcg="auto" 306cfi="false" 307 308# parse CC options second 309for opt do 310 optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)') 311 case "$opt" in 312 --cross-prefix=*) cross_prefix="$optarg" 313 cross_compile="yes" 314 ;; 315 --cc=*) CC="$optarg" 316 ;; 317 --cxx=*) CXX="$optarg" 318 ;; 319 --objcc=*) objcc="$optarg" 320 ;; 321 --cpu=*) cpu="$optarg" 322 ;; 323 --extra-cflags=*) 324 EXTRA_CFLAGS="$EXTRA_CFLAGS $optarg" 325 EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS $optarg" 326 EXTRA_OBJCFLAGS="$EXTRA_OBJCFLAGS $optarg" 327 ;; 328 --extra-cxxflags=*) EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS $optarg" 329 ;; 330 --extra-objcflags=*) EXTRA_OBJCFLAGS="$EXTRA_OBJCFLAGS $optarg" 331 ;; 332 --extra-ldflags=*) EXTRA_LDFLAGS="$EXTRA_LDFLAGS $optarg" 333 ;; 334 --cross-cc-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-cc-FOO option" 335 ;; 336 --cross-cc-cflags-*) cc_arch=${opt#--cross-cc-cflags-}; cc_arch=${cc_arch%%=*} 337 eval "cross_cc_cflags_${cc_arch}=\$optarg" 338 ;; 339 --cross-cc-*) cc_arch=${opt#--cross-cc-}; cc_arch=${cc_arch%%=*} 340 eval "cross_cc_${cc_arch}=\$optarg" 341 ;; 342 --cross-prefix-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-prefix-FOO option" 343 ;; 344 --cross-prefix-*) cc_arch=${opt#--cross-prefix-}; cc_arch=${cc_arch%%=*} 345 eval "cross_prefix_${cc_arch}=\$optarg" 346 ;; 347 esac 348done 349 350# Preferred compiler: 351# ${CC} (if set) 352# ${cross_prefix}gcc (if cross-prefix specified) 353# system compiler 354if test -z "${CC}${cross_prefix}"; then 355 cc="$host_cc" 356else 357 cc="${CC-${cross_prefix}gcc}" 358fi 359 360if test -z "${CXX}${cross_prefix}"; then 361 cxx="c++" 362else 363 cxx="${CXX-${cross_prefix}g++}" 364fi 365 366# Preferred ObjC compiler: 367# $objcc (if set, i.e. via --objcc option) 368# ${cross_prefix}clang (if cross-prefix specified) 369# clang (if available) 370# $cc 371if test -z "${objcc}${cross_prefix}"; then 372 if has clang; then 373 objcc=clang 374 else 375 objcc="$cc" 376 fi 377else 378 objcc="${objcc-${cross_prefix}clang}" 379fi 380 381ar="${AR-${cross_prefix}ar}" 382as="${AS-${cross_prefix}as}" 383ccas="${CCAS-$cc}" 384objcopy="${OBJCOPY-${cross_prefix}objcopy}" 385ld="${LD-${cross_prefix}ld}" 386ranlib="${RANLIB-${cross_prefix}ranlib}" 387nm="${NM-${cross_prefix}nm}" 388smbd="$SMBD" 389strip="${STRIP-${cross_prefix}strip}" 390widl="${WIDL-${cross_prefix}widl}" 391windres="${WINDRES-${cross_prefix}windres}" 392windmc="${WINDMC-${cross_prefix}windmc}" 393pkg_config_exe="${PKG_CONFIG-${cross_prefix}pkg-config}" 394query_pkg_config() { 395 "${pkg_config_exe}" ${QEMU_PKG_CONFIG_FLAGS} "$@" 396} 397pkg_config=query_pkg_config 398sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}" 399 400# default flags for all hosts 401# We use -fwrapv to tell the compiler that we require a C dialect where 402# left shift of signed integers is well defined and has the expected 403# 2s-complement style results. (Both clang and gcc agree that it 404# provides these semantics.) 405QEMU_CFLAGS="-fno-strict-aliasing -fno-common -fwrapv" 406QEMU_CFLAGS="-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE $QEMU_CFLAGS" 407 408QEMU_LDFLAGS= 409 410# Flags that are needed during configure but later taken care of by Meson 411CONFIGURE_CFLAGS="-std=gnu11 -Wall" 412CONFIGURE_LDFLAGS= 413 414 415check_define() { 416cat > $TMPC <<EOF 417#if !defined($1) 418#error $1 not defined 419#endif 420int main(void) { return 0; } 421EOF 422 compile_object 423} 424 425check_include() { 426cat > $TMPC <<EOF 427#include <$1> 428int main(void) { return 0; } 429EOF 430 compile_object 431} 432 433write_c_skeleton() { 434 cat > $TMPC <<EOF 435int main(void) { return 0; } 436EOF 437} 438 439if check_define __linux__ ; then 440 targetos=linux 441elif check_define _WIN32 ; then 442 targetos=windows 443elif check_define __OpenBSD__ ; then 444 targetos=openbsd 445elif check_define __sun__ ; then 446 targetos=sunos 447elif check_define __HAIKU__ ; then 448 targetos=haiku 449elif check_define __FreeBSD__ ; then 450 targetos=freebsd 451elif check_define __FreeBSD_kernel__ && check_define __GLIBC__; then 452 targetos=gnu/kfreebsd 453elif check_define __DragonFly__ ; then 454 targetos=dragonfly 455elif check_define __NetBSD__; then 456 targetos=netbsd 457elif check_define __APPLE__; then 458 targetos=darwin 459else 460 # This is a fatal error, but don't report it yet, because we 461 # might be going to just print the --help text, or it might 462 # be the result of a missing compiler. 463 targetos=bogus 464fi 465 466# OS specific 467 468mingw32="no" 469bsd="no" 470linux="no" 471solaris="no" 472case $targetos in 473windows) 474 mingw32="yes" 475 plugins="no" 476 pie="no" 477;; 478gnu/kfreebsd) 479 bsd="yes" 480;; 481freebsd) 482 bsd="yes" 483 make="${MAKE-gmake}" 484 # needed for kinfo_getvmmap(3) in libutil.h 485;; 486dragonfly) 487 bsd="yes" 488 make="${MAKE-gmake}" 489;; 490netbsd) 491 bsd="yes" 492 make="${MAKE-gmake}" 493;; 494openbsd) 495 bsd="yes" 496 make="${MAKE-gmake}" 497;; 498darwin) 499 bsd="yes" 500 darwin="yes" 501 # Disable attempts to use ObjectiveC features in os/object.h since they 502 # won't work when we're compiling with gcc as a C compiler. 503 QEMU_CFLAGS="-DOS_OBJECT_USE_OBJC=0 $QEMU_CFLAGS" 504;; 505sunos) 506 solaris="yes" 507 make="${MAKE-gmake}" 508# needed for CMSG_ macros in sys/socket.h 509 QEMU_CFLAGS="-D_XOPEN_SOURCE=600 $QEMU_CFLAGS" 510# needed for TIOCWIN* defines in termios.h 511 QEMU_CFLAGS="-D__EXTENSIONS__ $QEMU_CFLAGS" 512;; 513haiku) 514 pie="no" 515 QEMU_CFLAGS="-DB_USE_POSITIVE_POSIX_ERRORS -D_BSD_SOURCE -fPIC $QEMU_CFLAGS" 516;; 517linux) 518 linux="yes" 519;; 520esac 521 522if test ! -z "$cpu" ; then 523 # command line argument 524 : 525elif check_define __i386__ ; then 526 cpu="i386" 527elif check_define __x86_64__ ; then 528 if check_define __ILP32__ ; then 529 cpu="x32" 530 else 531 cpu="x86_64" 532 fi 533elif check_define __sparc__ ; then 534 if check_define __arch64__ ; then 535 cpu="sparc64" 536 else 537 cpu="sparc" 538 fi 539elif check_define _ARCH_PPC ; then 540 if check_define _ARCH_PPC64 ; then 541 if check_define _LITTLE_ENDIAN ; then 542 cpu="ppc64le" 543 else 544 cpu="ppc64" 545 fi 546 else 547 cpu="ppc" 548 fi 549elif check_define __mips__ ; then 550 cpu="mips" 551elif check_define __s390__ ; then 552 if check_define __s390x__ ; then 553 cpu="s390x" 554 else 555 cpu="s390" 556 fi 557elif check_define __riscv ; then 558 cpu="riscv" 559elif check_define __arm__ ; then 560 cpu="arm" 561elif check_define __aarch64__ ; then 562 cpu="aarch64" 563elif check_define __loongarch64 ; then 564 cpu="loongarch64" 565else 566 # Using uname is really broken, but it is just a fallback for architectures 567 # that are going to use TCI anyway 568 cpu=$(uname -m) 569 echo "WARNING: unrecognized host CPU, proceeding with 'uname -m' output '$cpu'" 570fi 571 572# Normalise host CPU name and set multilib cflags. The canonicalization 573# isn't really necessary, because the architectures that we check for 574# should not hit the 'uname -m' case, but better safe than sorry. 575# Note that this case should only have supported host CPUs, not guests. 576case "$cpu" in 577 armv*b|armv*l|arm) 578 cpu="arm" ;; 579 580 i386|i486|i586|i686) 581 cpu="i386" 582 CPU_CFLAGS="-m32" ;; 583 x32) 584 cpu="x86_64" 585 CPU_CFLAGS="-mx32" ;; 586 x86_64|amd64) 587 cpu="x86_64" 588 # ??? Only extremely old AMD cpus do not have cmpxchg16b. 589 # If we truly care, we should simply detect this case at 590 # runtime and generate the fallback to serial emulation. 591 CPU_CFLAGS="-m64 -mcx16" ;; 592 593 mips*) 594 cpu="mips" ;; 595 596 ppc) 597 CPU_CFLAGS="-m32" ;; 598 ppc64) 599 CPU_CFLAGS="-m64 -mbig-endian" ;; 600 ppc64le) 601 cpu="ppc64" 602 CPU_CFLAGS="-m64 -mlittle-endian" ;; 603 604 s390) 605 CPU_CFLAGS="-m31" ;; 606 s390x) 607 CPU_CFLAGS="-m64" ;; 608 609 sparc|sun4[cdmuv]) 610 cpu="sparc" 611 CPU_CFLAGS="-m32 -mv8plus -mcpu=ultrasparc" ;; 612 sparc64) 613 CPU_CFLAGS="-m64 -mcpu=ultrasparc" ;; 614esac 615 616: ${make=${MAKE-make}} 617 618 619check_py_version() { 620 # We require python >= 3.6. 621 # NB: a True python conditional creates a non-zero return code (Failure) 622 "$1" -c 'import sys; sys.exit(sys.version_info < (3,6))' 623} 624 625python= 626first_python= 627if test -z "${PYTHON}"; then 628 explicit_python=no 629 # A bare 'python' is traditionally python 2.x, but some distros 630 # have it as python 3.x, so check in both places. 631 for binary in python3 python python3.11 python3.10 python3.9 python3.8 python3.7 python3.6; do 632 if has "$binary"; then 633 python=$(command -v "$binary") 634 if check_py_version "$python"; then 635 # This one is good. 636 first_python= 637 break 638 else 639 first_python=$python 640 fi 641 fi 642 done 643else 644 # Same as above, but only check the environment variable. 645 has "${PYTHON}" || error_exit "The PYTHON environment variable does not point to an executable" 646 python=$(command -v "$PYTHON") 647 explicit_python=yes 648 if check_py_version "$python"; then 649 # This one is good. 650 first_python= 651 else 652 first_python=$first_python 653 fi 654fi 655 656# Check for ancillary tools used in testing 657genisoimage= 658for binary in genisoimage mkisofs 659do 660 if has $binary 661 then 662 genisoimage=$(command -v "$binary") 663 break 664 fi 665done 666 667if test "$mingw32" = "yes" ; then 668 EXESUF=".exe" 669 # MinGW needs -mthreads for TLS and macro _MT. 670 CONFIGURE_CFLAGS="-mthreads $CONFIGURE_CFLAGS" 671 prefix="/qemu" 672 bindir="" 673 qemu_suffix="" 674fi 675 676werror="" 677 678meson_option_build_array() { 679 printf '[' 680 (if test "$targetos" = windows; then 681 IFS=\; 682 else 683 IFS=: 684 fi 685 for e in $1; do 686 printf '"""' 687 # backslash escape any '\' and '"' characters 688 printf "%s" "$e" | sed -e 's/\([\"]\)/\\\1/g' 689 printf '""",' 690 done) 691 printf ']\n' 692} 693 694. "$source_path/scripts/meson-buildoptions.sh" 695 696meson_options= 697meson_option_add() { 698 meson_options="$meson_options $(quote_sh "$1")" 699} 700meson_option_parse() { 701 meson_options="$meson_options $(_meson_option_parse "$@")" 702 if test $? -eq 1; then 703 echo "ERROR: unknown option $1" 704 echo "Try '$0 --help' for more information" 705 exit 1 706 fi 707} 708 709for opt do 710 optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)') 711 case "$opt" in 712 --help|-h) show_help=yes 713 ;; 714 --version|-V) exec cat "$source_path/VERSION" 715 ;; 716 --prefix=*) prefix="$optarg" 717 ;; 718 --cross-prefix=*) 719 ;; 720 --cc=*) 721 ;; 722 --host-cc=*) host_cc="$optarg" 723 ;; 724 --cxx=*) 725 ;; 726 --objcc=*) 727 ;; 728 --make=*) make="$optarg" 729 ;; 730 --install=*) 731 ;; 732 --python=*) python="$optarg" ; explicit_python=yes 733 ;; 734 --skip-meson) skip_meson=yes 735 ;; 736 --meson=*) meson="$optarg" 737 ;; 738 --ninja=*) ninja="$optarg" 739 ;; 740 --smbd=*) smbd="$optarg" 741 ;; 742 --extra-cflags=*) 743 ;; 744 --extra-cxxflags=*) 745 ;; 746 --extra-objcflags=*) 747 ;; 748 --extra-ldflags=*) 749 ;; 750 --cross-cc-*) 751 ;; 752 --cross-prefix-*) 753 ;; 754 --enable-debug-info) meson_option_add -Ddebug=true 755 ;; 756 --disable-debug-info) meson_option_add -Ddebug=false 757 ;; 758 --enable-modules) 759 modules="yes" 760 ;; 761 --disable-modules) 762 modules="no" 763 ;; 764 --cpu=*) 765 ;; 766 --target-list=*) target_list="$optarg" 767 if test "$target_list_exclude"; then 768 error_exit "Can't mix --target-list with --target-list-exclude" 769 fi 770 ;; 771 --target-list-exclude=*) target_list_exclude="$optarg" 772 if test "$target_list"; then 773 error_exit "Can't mix --target-list-exclude with --target-list" 774 fi 775 ;; 776 --with-default-devices) meson_option_add -Ddefault_devices=true 777 ;; 778 --without-default-devices) meson_option_add -Ddefault_devices=false 779 ;; 780 --with-devices-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --with-devices-FOO option" 781 ;; 782 --with-devices-*) device_arch=${opt#--with-devices-}; 783 device_arch=${device_arch%%=*} 784 cf=$source_path/configs/devices/$device_arch-softmmu/$optarg.mak 785 if test -f "$cf"; then 786 device_archs="$device_archs $device_arch" 787 eval "devices_${device_arch}=\$optarg" 788 else 789 error_exit "File $cf does not exist" 790 fi 791 ;; 792 --without-default-features) # processed above 793 ;; 794 --static) 795 static="yes" 796 QEMU_PKG_CONFIG_FLAGS="--static $QEMU_PKG_CONFIG_FLAGS" 797 ;; 798 --bindir=*) bindir="$optarg" 799 ;; 800 --with-suffix=*) qemu_suffix="$optarg" 801 ;; 802 --host=*|--build=*|\ 803 --disable-dependency-tracking|\ 804 --sbindir=*|--sharedstatedir=*|\ 805 --oldincludedir=*|--datarootdir=*|--infodir=*|\ 806 --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*) 807 # These switches are silently ignored, for compatibility with 808 # autoconf-generated configure scripts. This allows QEMU's 809 # configure to be used by RPM and similar macros that set 810 # lots of directory switches by default. 811 ;; 812 --enable-debug-tcg) debug_tcg="yes" 813 ;; 814 --disable-debug-tcg) debug_tcg="no" 815 ;; 816 --enable-debug) 817 # Enable debugging options that aren't excessively noisy 818 debug_tcg="yes" 819 meson_option_parse --enable-debug-graph-lock "" 820 meson_option_parse --enable-debug-mutex "" 821 meson_option_add -Doptimization=0 822 fortify_source="no" 823 ;; 824 --enable-sanitizers) sanitizers="yes" 825 ;; 826 --disable-sanitizers) sanitizers="no" 827 ;; 828 --enable-tsan) tsan="yes" 829 ;; 830 --disable-tsan) tsan="no" 831 ;; 832 --disable-tcg) tcg="disabled" 833 plugins="no" 834 ;; 835 --enable-tcg) tcg="enabled" 836 ;; 837 --disable-system) softmmu="no" 838 ;; 839 --enable-system) softmmu="yes" 840 ;; 841 --disable-user) 842 linux_user="no" ; 843 bsd_user="no" ; 844 ;; 845 --enable-user) ;; 846 --disable-linux-user) linux_user="no" 847 ;; 848 --enable-linux-user) linux_user="yes" 849 ;; 850 --disable-bsd-user) bsd_user="no" 851 ;; 852 --enable-bsd-user) bsd_user="yes" 853 ;; 854 --enable-pie) pie="yes" 855 ;; 856 --disable-pie) pie="no" 857 ;; 858 --enable-werror) werror="yes" 859 ;; 860 --disable-werror) werror="no" 861 ;; 862 --enable-stack-protector) stack_protector="yes" 863 ;; 864 --disable-stack-protector) stack_protector="no" 865 ;; 866 --enable-safe-stack) safe_stack="yes" 867 ;; 868 --disable-safe-stack) safe_stack="no" 869 ;; 870 --enable-cfi) 871 cfi="true"; 872 meson_option_add -Db_lto=true 873 ;; 874 --disable-cfi) cfi="false" 875 ;; 876 --disable-fdt) fdt="disabled" 877 ;; 878 --enable-fdt) fdt="enabled" 879 ;; 880 --enable-fdt=git) fdt="internal" 881 ;; 882 --enable-fdt=*) fdt="$optarg" 883 ;; 884 --with-coroutine=*) coroutine="$optarg" 885 ;; 886 --with-git=*) git="$optarg" 887 ;; 888 --with-git-submodules=*) 889 git_submodules_action="$optarg" 890 ;; 891 --enable-plugins) if test "$mingw32" = "yes"; then 892 error_exit "TCG plugins not currently supported on Windows platforms" 893 else 894 plugins="yes" 895 fi 896 ;; 897 --disable-plugins) plugins="no" 898 ;; 899 --enable-containers) use_containers="yes" 900 ;; 901 --disable-containers) use_containers="no" 902 ;; 903 --gdb=*) gdb_bin="$optarg" 904 ;; 905 --enable-vfio-user-server) vfio_user_server="enabled" 906 ;; 907 --disable-vfio-user-server) vfio_user_server="disabled" 908 ;; 909 # everything else has the same name in configure and meson 910 --*) meson_option_parse "$opt" "$optarg" 911 ;; 912 esac 913done 914 915# test for any invalid configuration combinations 916if test "$plugins" = "yes" -a "$tcg" = "disabled"; then 917 error_exit "Can't enable plugins on non-TCG builds" 918fi 919 920case $git_submodules_action in 921 update|validate) 922 if test ! -e "$source_path/.git"; then 923 echo "ERROR: cannot $git_submodules_action git submodules without .git" 924 exit 1 925 fi 926 ;; 927 ignore) 928 if ! test -f "$source_path/ui/keycodemapdb/README" 929 then 930 echo 931 echo "ERROR: missing GIT submodules" 932 echo 933 if test -e "$source_path/.git"; then 934 echo "--with-git-submodules=ignore specified but submodules were not" 935 echo "checked out. Please initialize and update submodules." 936 else 937 echo "This is not a GIT checkout but module content appears to" 938 echo "be missing. Do not use 'git archive' or GitHub download links" 939 echo "to acquire QEMU source archives. Non-GIT builds are only" 940 echo "supported with source archives linked from:" 941 echo 942 echo " https://www.qemu.org/download/#source" 943 echo 944 echo "Developers working with GIT can use scripts/archive-source.sh" 945 echo "if they need to create valid source archives." 946 fi 947 echo 948 exit 1 949 fi 950 ;; 951 *) 952 echo "ERROR: invalid --with-git-submodules= value '$git_submodules_action'" 953 exit 1 954 ;; 955esac 956 957default_target_list="" 958mak_wilds="" 959 960if [ "$linux_user" != no ]; then 961 if [ "$targetos" = linux ] && [ -d "$source_path/linux-user/include/host/$cpu" ]; then 962 linux_user=yes 963 elif [ "$linux_user" = yes ]; then 964 error_exit "linux-user not supported on this architecture" 965 fi 966fi 967if [ "$bsd_user" != no ]; then 968 if [ "$bsd_user" = "" ]; then 969 test $targetos = freebsd && bsd_user=yes 970 fi 971 if [ "$bsd_user" = yes ] && ! [ -d "$source_path/bsd-user/$targetos" ]; then 972 error_exit "bsd-user not supported on this host OS" 973 fi 974fi 975if [ "$softmmu" = "yes" ]; then 976 mak_wilds="${mak_wilds} $source_path/configs/targets/*-softmmu.mak" 977fi 978if [ "$linux_user" = "yes" ]; then 979 mak_wilds="${mak_wilds} $source_path/configs/targets/*-linux-user.mak" 980fi 981if [ "$bsd_user" = "yes" ]; then 982 mak_wilds="${mak_wilds} $source_path/configs/targets/*-bsd-user.mak" 983fi 984 985for config in $mak_wilds; do 986 target="$(basename "$config" .mak)" 987 if echo "$target_list_exclude" | grep -vq "$target"; then 988 default_target_list="${default_target_list} $target" 989 fi 990done 991 992if test x"$show_help" = x"yes" ; then 993cat << EOF 994 995Usage: configure [options] 996Options: [defaults in brackets after descriptions] 997 998Standard options: 999 --help print this message 1000 --prefix=PREFIX install in PREFIX [$prefix] 1001 --target-list=LIST set target list (default: build all) 1002$(echo Available targets: $default_target_list | \ 1003 fold -s -w 53 | sed -e 's/^/ /') 1004 --target-list-exclude=LIST exclude a set of targets from the default target-list 1005 1006Advanced options (experts only): 1007 --cross-prefix=PREFIX use PREFIX for compile tools, PREFIX can be blank [$cross_prefix] 1008 --cc=CC use C compiler CC [$cc] 1009 --host-cc=CC use C compiler CC [$host_cc] for code run at 1010 build time 1011 --cxx=CXX use C++ compiler CXX [$cxx] 1012 --objcc=OBJCC use Objective-C compiler OBJCC [$objcc] 1013 --extra-cflags=CFLAGS append extra C compiler flags CFLAGS 1014 --extra-cxxflags=CXXFLAGS append extra C++ compiler flags CXXFLAGS 1015 --extra-objcflags=OBJCFLAGS append extra Objective C compiler flags OBJCFLAGS 1016 --extra-ldflags=LDFLAGS append extra linker flags LDFLAGS 1017 --cross-cc-ARCH=CC use compiler when building ARCH guest test cases 1018 --cross-cc-cflags-ARCH= use compiler flags when building ARCH guest tests 1019 --cross-prefix-ARCH=PREFIX cross compiler prefix when building ARCH guest test cases 1020 --make=MAKE use specified make [$make] 1021 --python=PYTHON use specified python [$python] 1022 --meson=MESON use specified meson [$meson] 1023 --ninja=NINJA use specified ninja [$ninja] 1024 --smbd=SMBD use specified smbd [$smbd] 1025 --with-git=GIT use specified git [$git] 1026 --with-git-submodules=update update git submodules (default if .git dir exists) 1027 --with-git-submodules=validate fail if git submodules are not up to date 1028 --with-git-submodules=ignore do not update or check git submodules (default if no .git dir) 1029 --static enable static build [$static] 1030 --bindir=PATH install binaries in PATH 1031 --with-suffix=SUFFIX suffix for QEMU data inside datadir/libdir/sysconfdir/docdir [$qemu_suffix] 1032 --without-default-features default all --enable-* options to "disabled" 1033 --without-default-devices do not include any device that is not needed to 1034 start the emulator (only use if you are including 1035 desired devices in configs/devices/) 1036 --with-devices-ARCH=NAME override default configs/devices 1037 --enable-debug enable common debug build options 1038 --enable-sanitizers enable default sanitizers 1039 --enable-tsan enable thread sanitizer 1040 --disable-werror disable compilation abort on warning 1041 --disable-stack-protector disable compiler-provided stack protection 1042 --cpu=CPU Build for host CPU [$cpu] 1043 --with-coroutine=BACKEND coroutine backend. Supported options: 1044 ucontext, sigaltstack, windows 1045 --enable-plugins 1046 enable plugins via shared library loading 1047 --disable-containers don't use containers for cross-building 1048 --gdb=GDB-path gdb to use for gdbstub tests [$gdb_bin] 1049EOF 1050 meson_options_help 1051cat << EOF 1052 system all system emulation targets 1053 user supported user emulation targets 1054 linux-user all linux usermode emulation targets 1055 bsd-user all BSD usermode emulation targets 1056 pie Position Independent Executables 1057 modules modules support (non-Windows) 1058 debug-tcg TCG debugging (default is disabled) 1059 debug-info debugging information 1060 safe-stack SafeStack Stack Smash Protection. Depends on 1061 clang/llvm and requires coroutine backend ucontext. 1062 1063NOTE: The object files are built at the place where configure is launched 1064EOF 1065exit 0 1066fi 1067 1068# Remove old dependency files to make sure that they get properly regenerated 1069rm -f ./*/config-devices.mak.d 1070 1071if test -z "$python" 1072then 1073 # If first_python is set, there was a binary somewhere even though 1074 # it was not suitable. Use it for the error message. 1075 if test -n "$first_python"; then 1076 error_exit "Cannot use '$first_python', Python >= 3.6 is required." \ 1077 "Use --python=/path/to/python to specify a supported Python." 1078 else 1079 error_exit "Python not found. Use --python=/path/to/python" 1080 fi 1081fi 1082 1083if ! has "$make" 1084then 1085 error_exit "GNU make ($make) not found" 1086fi 1087 1088if ! check_py_version "$python"; then 1089 error_exit "Cannot use '$python', Python >= 3.6 is required." \ 1090 "Use --python=/path/to/python to specify a supported Python." 1091fi 1092 1093# Resolve PATH + suppress writing compiled files 1094python="$(command -v "$python") -B" 1095 1096has_meson() { 1097 local python_dir=$(dirname "$python") 1098 # PEP405: pyvenv.cfg is either adjacent to the Python executable 1099 # or one directory above 1100 if test -f $python_dir/pyvenv.cfg || test -f $python_dir/../pyvenv.cfg; then 1101 # Ensure that Meson and Python come from the same virtual environment 1102 test -x "$python_dir/meson" && 1103 test "$(command -v meson)" -ef "$python_dir/meson" 1104 else 1105 has meson 1106 fi 1107} 1108 1109if test -z "$meson"; then 1110 if test "$explicit_python" = no && has_meson && version_ge "$(meson --version)" 0.61.5; then 1111 meson=meson 1112 elif test "$git_submodules_action" != 'ignore' ; then 1113 meson=git 1114 elif test -e "${source_path}/meson/meson.py" ; then 1115 meson=internal 1116 else 1117 if test "$explicit_python" = yes; then 1118 error_exit "--python requires using QEMU's embedded Meson distribution, but it was not found." 1119 else 1120 error_exit "Meson not found. Use --meson=/path/to/meson" 1121 fi 1122 fi 1123else 1124 # Meson uses its own Python interpreter to invoke other Python scripts, 1125 # but the user wants to use the one they specified with --python. 1126 # 1127 # We do not want to override the distro Python interpreter (and sometimes 1128 # cannot: for example in Homebrew /usr/bin/meson is a bash script), so 1129 # just require --meson=git|internal together with --python. 1130 if test "$explicit_python" = yes; then 1131 case "$meson" in 1132 git | internal) ;; 1133 *) error_exit "--python requires using QEMU's embedded Meson distribution." ;; 1134 esac 1135 fi 1136fi 1137 1138if test "$meson" = git; then 1139 git_submodules="${git_submodules} meson" 1140fi 1141 1142case "$meson" in 1143 git | internal) 1144 meson="$python ${source_path}/meson/meson.py" 1145 ;; 1146 *) meson=$(command -v "$meson") ;; 1147esac 1148 1149# Probe for ninja 1150 1151if test -z "$ninja"; then 1152 for c in ninja ninja-build samu; do 1153 if has $c; then 1154 ninja=$(command -v "$c") 1155 break 1156 fi 1157 done 1158 if test -z "$ninja"; then 1159 error_exit "Cannot find Ninja" 1160 fi 1161fi 1162 1163# Check that the C compiler works. Doing this here before testing 1164# the host CPU ensures that we had a valid CC to autodetect the 1165# $cpu var (and we should bail right here if that's not the case). 1166# It also allows the help message to be printed without a CC. 1167write_c_skeleton; 1168if compile_object ; then 1169 : C compiler works ok 1170else 1171 error_exit "\"$cc\" either does not exist or does not work" 1172fi 1173if ! compile_prog ; then 1174 error_exit "\"$cc\" cannot build an executable (is your linker broken?)" 1175fi 1176 1177# Consult white-list to determine whether to enable werror 1178# by default. Only enable by default for git builds 1179if test -z "$werror" ; then 1180 if test "$git_submodules_action" != "ignore" && \ 1181 { test "$linux" = "yes" || test "$mingw32" = "yes"; }; then 1182 werror="yes" 1183 else 1184 werror="no" 1185 fi 1186fi 1187 1188if test "$targetos" = "bogus"; then 1189 # Now that we know that we're not printing the help and that 1190 # the compiler works (so the results of the check_defines we used 1191 # to identify the OS are reliable), if we didn't recognize the 1192 # host OS we should stop now. 1193 error_exit "Unrecognized host OS (uname -s reports '$(uname -s)')" 1194fi 1195 1196# Check whether the compiler matches our minimum requirements: 1197cat > $TMPC << EOF 1198#if defined(__clang_major__) && defined(__clang_minor__) 1199# ifdef __apple_build_version__ 1200# if __clang_major__ < 12 || (__clang_major__ == 12 && __clang_minor__ < 0) 1201# error You need at least XCode Clang v12.0 to compile QEMU 1202# endif 1203# else 1204# if __clang_major__ < 10 || (__clang_major__ == 10 && __clang_minor__ < 0) 1205# error You need at least Clang v10.0 to compile QEMU 1206# endif 1207# endif 1208#elif defined(__GNUC__) && defined(__GNUC_MINOR__) 1209# if __GNUC__ < 7 || (__GNUC__ == 7 && __GNUC_MINOR__ < 4) 1210# error You need at least GCC v7.4.0 to compile QEMU 1211# endif 1212#else 1213# error You either need GCC or Clang to compiler QEMU 1214#endif 1215int main (void) { return 0; } 1216EOF 1217if ! compile_prog "" "" ; then 1218 error_exit "You need at least GCC v7.4 or Clang v10.0 (or XCode Clang v12.0)" 1219fi 1220 1221# Accumulate -Wfoo and -Wno-bar separately. 1222# We will list all of the enable flags first, and the disable flags second. 1223# Note that we do not add -Werror, because that would enable it for all 1224# configure tests. If a configure test failed due to -Werror this would 1225# just silently disable some features, so it's too error prone. 1226 1227warn_flags= 1228add_to warn_flags -Wundef 1229add_to warn_flags -Wwrite-strings 1230add_to warn_flags -Wmissing-prototypes 1231add_to warn_flags -Wstrict-prototypes 1232add_to warn_flags -Wredundant-decls 1233add_to warn_flags -Wold-style-declaration 1234add_to warn_flags -Wold-style-definition 1235add_to warn_flags -Wtype-limits 1236add_to warn_flags -Wformat-security 1237add_to warn_flags -Wformat-y2k 1238add_to warn_flags -Winit-self 1239add_to warn_flags -Wignored-qualifiers 1240add_to warn_flags -Wempty-body 1241add_to warn_flags -Wnested-externs 1242add_to warn_flags -Wendif-labels 1243add_to warn_flags -Wexpansion-to-defined 1244add_to warn_flags -Wimplicit-fallthrough=2 1245add_to warn_flags -Wmissing-format-attribute 1246 1247if test "$targetos" != "darwin"; then 1248 add_to warn_flags -Wthread-safety 1249fi 1250 1251nowarn_flags= 1252add_to nowarn_flags -Wno-initializer-overrides 1253add_to nowarn_flags -Wno-missing-include-dirs 1254add_to nowarn_flags -Wno-shift-negative-value 1255add_to nowarn_flags -Wno-string-plus-int 1256add_to nowarn_flags -Wno-typedef-redefinition 1257add_to nowarn_flags -Wno-tautological-type-limit-compare 1258add_to nowarn_flags -Wno-psabi 1259add_to nowarn_flags -Wno-gnu-variable-sized-type-not-at-end 1260 1261gcc_flags="$warn_flags $nowarn_flags" 1262 1263cc_has_warning_flag() { 1264 write_c_skeleton; 1265 1266 # Use the positive sense of the flag when testing for -Wno-wombat 1267 # support (gcc will happily accept the -Wno- form of unknown 1268 # warning options). 1269 optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')" 1270 compile_prog "-Werror $optflag" "" 1271} 1272 1273objcc_has_warning_flag() { 1274 cat > $TMPM <<EOF 1275int main(void) { return 0; } 1276EOF 1277 1278 # Use the positive sense of the flag when testing for -Wno-wombat 1279 # support (gcc will happily accept the -Wno- form of unknown 1280 # warning options). 1281 optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')" 1282 do_objc -Werror $optflag \ 1283 $OBJCFLAGS $EXTRA_OBJCFLAGS $CONFIGURE_OBJCFLAGS $QEMU_OBJCFLAGS \ 1284 -o $TMPE $TMPM $QEMU_LDFLAGS 1285} 1286 1287for flag in $gcc_flags; do 1288 if cc_has_warning_flag $flag ; then 1289 QEMU_CFLAGS="$QEMU_CFLAGS $flag" 1290 fi 1291 if objcc_has_warning_flag $flag ; then 1292 QEMU_OBJCFLAGS="$QEMU_OBJCFLAGS $flag" 1293 fi 1294done 1295 1296if test "$stack_protector" != "no"; then 1297 cat > $TMPC << EOF 1298int main(int argc, char *argv[]) 1299{ 1300 char arr[64], *p = arr, *c = argv[argc - 1]; 1301 while (*c) { 1302 *p++ = *c++; 1303 } 1304 return 0; 1305} 1306EOF 1307 gcc_flags="-fstack-protector-strong -fstack-protector-all" 1308 sp_on=0 1309 for flag in $gcc_flags; do 1310 # We need to check both a compile and a link, since some compiler 1311 # setups fail only on a .c->.o compile and some only at link time 1312 if compile_object "-Werror $flag" && 1313 compile_prog "-Werror $flag" ""; then 1314 QEMU_CFLAGS="$QEMU_CFLAGS $flag" 1315 QEMU_LDFLAGS="$QEMU_LDFLAGS $flag" 1316 sp_on=1 1317 break 1318 fi 1319 done 1320 if test "$stack_protector" = yes; then 1321 if test $sp_on = 0; then 1322 error_exit "Stack protector not supported" 1323 fi 1324 fi 1325fi 1326 1327# Our module code doesn't support Windows 1328if test "$modules" = "yes" && test "$mingw32" = "yes" ; then 1329 error_exit "Modules are not available for Windows" 1330fi 1331 1332# Static linking is not possible with plugins, modules or PIE 1333if test "$static" = "yes" ; then 1334 if test "$modules" = "yes" ; then 1335 error_exit "static and modules are mutually incompatible" 1336 fi 1337 if test "$plugins" = "yes"; then 1338 error_exit "static and plugins are mutually incompatible" 1339 else 1340 plugins="no" 1341 fi 1342fi 1343test "$plugins" = "" && plugins=yes 1344 1345cat > $TMPC << EOF 1346 1347#ifdef __linux__ 1348# define THREAD __thread 1349#else 1350# define THREAD 1351#endif 1352static THREAD int tls_var; 1353int main(void) { return tls_var; } 1354EOF 1355 1356# Meson currently only handles pie as a boolean for now so if we have 1357# explicitly disabled PIE we need to extend our cflags because it wont. 1358if test "$static" = "yes"; then 1359 if test "$pie" != "no" && compile_prog "-Werror -fPIE -DPIE" "-static-pie"; then 1360 CONFIGURE_CFLAGS="-fPIE -DPIE $CONFIGURE_CFLAGS" 1361 pie="yes" 1362 elif test "$pie" = "yes"; then 1363 error_exit "-static-pie not available due to missing toolchain support" 1364 else 1365 pie="no" 1366 QEMU_CFLAGS="-fno-pie $QEMU_CFLAGS" 1367 fi 1368elif test "$pie" = "no"; then 1369 if compile_prog "-Werror -fno-pie" "-no-pie"; then 1370 CONFIGURE_CFLAGS="-fno-pie $CONFIGURE_CFLAGS" 1371 CONFIGURE_LDFLAGS="-no-pie $CONFIGURE_LDFLAGS" 1372 QEMU_CFLAGS="-fno-pie -no-pie $QEMU_CFLAGS" 1373 fi 1374elif compile_prog "-Werror -fPIE -DPIE" "-pie"; then 1375 CONFIGURE_CFLAGS="-fPIE -DPIE $CONFIGURE_CFLAGS" 1376 CONFIGURE_LDFLAGS="-pie $CONFIGURE_LDFLAGS" 1377 pie="yes" 1378elif test "$pie" = "yes"; then 1379 error_exit "PIE not available due to missing toolchain support" 1380else 1381 echo "Disabling PIE due to missing toolchain support" 1382 pie="no" 1383fi 1384 1385########################################## 1386# __sync_fetch_and_and requires at least -march=i486. Many toolchains 1387# use i686 as default anyway, but for those that don't, an explicit 1388# specification is necessary 1389 1390if test "$cpu" = "i386"; then 1391 cat > $TMPC << EOF 1392static int sfaa(int *ptr) 1393{ 1394 return __sync_fetch_and_and(ptr, 0); 1395} 1396 1397int main(void) 1398{ 1399 int val = 42; 1400 val = __sync_val_compare_and_swap(&val, 0, 1); 1401 sfaa(&val); 1402 return val; 1403} 1404EOF 1405 if ! compile_prog "" "" ; then 1406 QEMU_CFLAGS="-march=i486 $QEMU_CFLAGS" 1407 fi 1408fi 1409 1410if test -z "${target_list+xxx}" ; then 1411 default_targets=yes 1412 for target in $default_target_list; do 1413 target_list="$target_list $target" 1414 done 1415 target_list="${target_list# }" 1416else 1417 default_targets=no 1418 target_list=$(echo "$target_list" | sed -e 's/,/ /g') 1419 for target in $target_list; do 1420 # Check that we recognised the target name; this allows a more 1421 # friendly error message than if we let it fall through. 1422 case " $default_target_list " in 1423 *" $target "*) 1424 ;; 1425 *) 1426 error_exit "Unknown target name '$target'" 1427 ;; 1428 esac 1429 done 1430fi 1431 1432# see if system emulation was really requested 1433case " $target_list " in 1434 *"-softmmu "*) softmmu=yes 1435 ;; 1436 *) softmmu=no 1437 ;; 1438esac 1439 1440if test "$tcg" = "auto"; then 1441 if test -z "$target_list"; then 1442 tcg="disabled" 1443 else 1444 tcg="enabled" 1445 fi 1446fi 1447 1448if test "$tcg" = "enabled"; then 1449 git_submodules="$git_submodules tests/fp/berkeley-testfloat-3" 1450 git_submodules="$git_submodules tests/fp/berkeley-softfloat-3" 1451fi 1452 1453########################################## 1454# big/little endian test 1455cat > $TMPC << EOF 1456#if defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ 1457# error LITTLE 1458#endif 1459int main(void) { return 0; } 1460EOF 1461 1462if ! compile_prog ; then 1463 bigendian="no" 1464else 1465 cat > $TMPC << EOF 1466#if defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ 1467# error BIG 1468#endif 1469int main(void) { return 0; } 1470EOF 1471 1472 if ! compile_prog ; then 1473 bigendian="yes" 1474 else 1475 echo big/little test failed 1476 exit 1 1477 fi 1478fi 1479 1480########################################## 1481# pkg-config probe 1482 1483if ! has "$pkg_config_exe"; then 1484 error_exit "pkg-config binary '$pkg_config_exe' not found" 1485fi 1486 1487########################################## 1488# glib support probe 1489 1490# When bumping glib_req_ver, please check also whether we should increase 1491# the _WIN32_WINNT setting in osdep.h according to the value from glib 1492glib_req_ver=2.56 1493glib_modules=gthread-2.0 1494if test "$modules" = yes; then 1495 glib_modules="$glib_modules gmodule-export-2.0" 1496elif test "$plugins" = "yes"; then 1497 glib_modules="$glib_modules gmodule-no-export-2.0" 1498fi 1499 1500for i in $glib_modules; do 1501 if $pkg_config --atleast-version=$glib_req_ver $i; then 1502 glib_cflags=$($pkg_config --cflags $i) 1503 glib_libs=$($pkg_config --libs $i) 1504 else 1505 error_exit "glib-$glib_req_ver $i is required to compile QEMU" 1506 fi 1507done 1508 1509# Check whether glib has gslice, which we have to avoid for correctness. 1510# TODO: remove this check and the corresponding workaround (qtree) when 1511# the minimum supported glib is >= $glib_dropped_gslice_version. 1512glib_dropped_gslice_version=2.75.3 1513for i in $glib_modules; do 1514 if ! $pkg_config --atleast-version=$glib_dropped_gslice_version $i; then 1515 glib_has_gslice="yes" 1516 break 1517 fi 1518done 1519 1520glib_bindir="$($pkg_config --variable=bindir glib-2.0)" 1521if test -z "$glib_bindir" ; then 1522 glib_bindir="$($pkg_config --variable=prefix glib-2.0)"/bin 1523fi 1524 1525# This workaround is required due to a bug in pkg-config file for glib as it 1526# doesn't define GLIB_STATIC_COMPILATION for pkg-config --static 1527 1528if test "$static" = yes && test "$mingw32" = yes; then 1529 glib_cflags="-DGLIB_STATIC_COMPILATION $glib_cflags" 1530fi 1531 1532# Sanity check that the current size_t matches the 1533# size that glib thinks it should be. This catches 1534# problems on multi-arch where people try to build 1535# 32-bit QEMU while pointing at 64-bit glib headers 1536cat > $TMPC <<EOF 1537#include <glib.h> 1538#include <unistd.h> 1539 1540#define QEMU_BUILD_BUG_ON(x) \ 1541 typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused)); 1542 1543int main(void) { 1544 QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T); 1545 return 0; 1546} 1547EOF 1548 1549if ! compile_prog "$glib_cflags" "$glib_libs" ; then 1550 error_exit "sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T."\ 1551 "You probably need to set PKG_CONFIG_LIBDIR"\ 1552 "to point to the right pkg-config files for your"\ 1553 "build target" 1554fi 1555 1556# Silence clang warnings triggered by glib < 2.57.2 1557cat > $TMPC << EOF 1558#include <glib.h> 1559typedef struct Foo { 1560 int i; 1561} Foo; 1562static void foo_free(Foo *f) 1563{ 1564 g_free(f); 1565} 1566G_DEFINE_AUTOPTR_CLEANUP_FUNC(Foo, foo_free) 1567int main(void) { return 0; } 1568EOF 1569if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then 1570 if cc_has_warning_flag "-Wno-unused-function"; then 1571 glib_cflags="$glib_cflags -Wno-unused-function" 1572 CONFIGURE_CFLAGS="$CONFIGURE_CFLAGS -Wno-unused-function" 1573 fi 1574fi 1575 1576########################################## 1577# fdt probe 1578 1579case "$fdt" in 1580 auto | enabled | internal) 1581 # Simpler to always update submodule, even if not needed. 1582 git_submodules="${git_submodules} dtc" 1583 ;; 1584esac 1585 1586########################################## 1587# check and set a backend for coroutine 1588 1589# We prefer ucontext, but it's not always possible. The fallback 1590# is sigcontext. On Windows the only valid backend is the Windows 1591# specific one. 1592 1593ucontext_works=no 1594if test "$darwin" != "yes"; then 1595 cat > $TMPC << EOF 1596#include <ucontext.h> 1597#ifdef __stub_makecontext 1598#error Ignoring glibc stub makecontext which will always fail 1599#endif 1600int main(void) { makecontext(0, 0, 0); return 0; } 1601EOF 1602 if compile_prog "" "" ; then 1603 ucontext_works=yes 1604 fi 1605fi 1606 1607if test "$coroutine" = ""; then 1608 if test "$mingw32" = "yes"; then 1609 coroutine=win32 1610 elif test "$ucontext_works" = "yes"; then 1611 coroutine=ucontext 1612 else 1613 coroutine=sigaltstack 1614 fi 1615else 1616 case $coroutine in 1617 windows) 1618 if test "$mingw32" != "yes"; then 1619 error_exit "'windows' coroutine backend only valid for Windows" 1620 fi 1621 # Unfortunately the user visible backend name doesn't match the 1622 # coroutine-*.c filename for this case, so we have to adjust it here. 1623 coroutine=win32 1624 ;; 1625 ucontext) 1626 if test "$ucontext_works" != "yes"; then 1627 error_exit "'ucontext' backend requested but makecontext not available" 1628 fi 1629 ;; 1630 sigaltstack) 1631 if test "$mingw32" = "yes"; then 1632 error_exit "only the 'windows' coroutine backend is valid for Windows" 1633 fi 1634 ;; 1635 *) 1636 error_exit "unknown coroutine backend $coroutine" 1637 ;; 1638 esac 1639fi 1640 1641################################################## 1642# SafeStack 1643 1644 1645if test "$safe_stack" = "yes"; then 1646cat > $TMPC << EOF 1647int main(void) 1648{ 1649#if ! __has_feature(safe_stack) 1650#error SafeStack Disabled 1651#endif 1652 return 0; 1653} 1654EOF 1655 flag="-fsanitize=safe-stack" 1656 # Check that safe-stack is supported and enabled. 1657 if compile_prog "-Werror $flag" "$flag"; then 1658 # Flag needed both at compilation and at linking 1659 QEMU_CFLAGS="$QEMU_CFLAGS $flag" 1660 QEMU_LDFLAGS="$QEMU_LDFLAGS $flag" 1661 else 1662 error_exit "SafeStack not supported by your compiler" 1663 fi 1664 if test "$coroutine" != "ucontext"; then 1665 error_exit "SafeStack is only supported by the coroutine backend ucontext" 1666 fi 1667else 1668cat > $TMPC << EOF 1669int main(void) 1670{ 1671#if defined(__has_feature) 1672#if __has_feature(safe_stack) 1673#error SafeStack Enabled 1674#endif 1675#endif 1676 return 0; 1677} 1678EOF 1679if test "$safe_stack" = "no"; then 1680 # Make sure that safe-stack is disabled 1681 if ! compile_prog "-Werror" ""; then 1682 # SafeStack was already enabled, try to explicitly remove the feature 1683 flag="-fno-sanitize=safe-stack" 1684 if ! compile_prog "-Werror $flag" "$flag"; then 1685 error_exit "Configure cannot disable SafeStack" 1686 fi 1687 QEMU_CFLAGS="$QEMU_CFLAGS $flag" 1688 QEMU_LDFLAGS="$QEMU_LDFLAGS $flag" 1689 fi 1690else # "$safe_stack" = "" 1691 # Set safe_stack to yes or no based on pre-existing flags 1692 if compile_prog "-Werror" ""; then 1693 safe_stack="no" 1694 else 1695 safe_stack="yes" 1696 if test "$coroutine" != "ucontext"; then 1697 error_exit "SafeStack is only supported by the coroutine backend ucontext" 1698 fi 1699 fi 1700fi 1701fi 1702 1703######################################## 1704# check if ccache is interfering with 1705# semantic analysis of macros 1706 1707unset CCACHE_CPP2 1708ccache_cpp2=no 1709cat > $TMPC << EOF 1710static const int Z = 1; 1711#define fn() ({ Z; }) 1712#define TAUT(X) ((X) == Z) 1713#define PAREN(X, Y) (X == Y) 1714#define ID(X) (X) 1715int main(void) 1716{ 1717 int x = 0, y = 0; 1718 x = ID(x); 1719 x = fn(); 1720 fn(); 1721 if (PAREN(x, y)) return 0; 1722 if (TAUT(Z)) return 0; 1723 return 0; 1724} 1725EOF 1726 1727if ! compile_object "-Werror"; then 1728 ccache_cpp2=yes 1729fi 1730 1731################################################# 1732# clang does not support glibc + FORTIFY_SOURCE. 1733 1734if test "$fortify_source" != "no"; then 1735 if echo | $cc -dM -E - | grep __clang__ > /dev/null 2>&1 ; then 1736 fortify_source="no"; 1737 elif test -n "$cxx" && has $cxx && 1738 echo | $cxx -dM -E - | grep __clang__ >/dev/null 2>&1 ; then 1739 fortify_source="no"; 1740 else 1741 fortify_source="yes" 1742 fi 1743fi 1744 1745########################################## 1746# checks for sanitizers 1747 1748have_asan=no 1749have_ubsan=no 1750have_asan_iface_h=no 1751have_asan_iface_fiber=no 1752 1753if test "$sanitizers" = "yes" ; then 1754 write_c_skeleton 1755 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" ""; then 1756 have_asan=yes 1757 fi 1758 1759 # we could use a simple skeleton for flags checks, but this also 1760 # detect the static linking issue of ubsan, see also: 1761 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84285 1762 cat > $TMPC << EOF 1763int main(int argc, char **argv) 1764{ 1765 return argc + 1; 1766} 1767EOF 1768 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=undefined" ""; then 1769 have_ubsan=yes 1770 fi 1771 1772 if check_include "sanitizer/asan_interface.h" ; then 1773 have_asan_iface_h=yes 1774 fi 1775 1776 cat > $TMPC << EOF 1777#include <sanitizer/asan_interface.h> 1778int main(void) { 1779 __sanitizer_start_switch_fiber(0, 0, 0); 1780 return 0; 1781} 1782EOF 1783 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" "" ; then 1784 have_asan_iface_fiber=yes 1785 fi 1786fi 1787 1788# Thread sanitizer is, for now, much noisier than the other sanitizers; 1789# keep it separate until that is not the case. 1790if test "$tsan" = "yes" && test "$sanitizers" = "yes"; then 1791 error_exit "TSAN is not supported with other sanitiziers." 1792fi 1793have_tsan=no 1794have_tsan_iface_fiber=no 1795if test "$tsan" = "yes" ; then 1796 write_c_skeleton 1797 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then 1798 have_tsan=yes 1799 fi 1800 cat > $TMPC << EOF 1801#include <sanitizer/tsan_interface.h> 1802int main(void) { 1803 __tsan_create_fiber(0); 1804 return 0; 1805} 1806EOF 1807 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then 1808 have_tsan_iface_fiber=yes 1809 fi 1810fi 1811 1812########################################## 1813# functions to probe cross compilers 1814 1815container="no" 1816runc="" 1817if test $use_containers = "yes" && (has "docker" || has "podman"); then 1818 case $($python "$source_path"/tests/docker/docker.py probe) in 1819 *docker) container=docker ;; 1820 podman) container=podman ;; 1821 no) container=no ;; 1822 esac 1823 if test "$container" != "no"; then 1824 docker_py="$python $source_path/tests/docker/docker.py --engine $container" 1825 runc=$($python "$source_path"/tests/docker/docker.py probe) 1826 fi 1827fi 1828 1829# cross compilers defaults, can be overridden with --cross-cc-ARCH 1830: ${cross_prefix_aarch64="aarch64-linux-gnu-"} 1831: ${cross_prefix_aarch64_be="$cross_prefix_aarch64"} 1832: ${cross_prefix_alpha="alpha-linux-gnu-"} 1833: ${cross_prefix_arm="arm-linux-gnueabihf-"} 1834: ${cross_prefix_armeb="$cross_prefix_arm"} 1835: ${cross_prefix_hexagon="hexagon-unknown-linux-musl-"} 1836: ${cross_prefix_loongarch64="loongarch64-unknown-linux-gnu-"} 1837: ${cross_prefix_hppa="hppa-linux-gnu-"} 1838: ${cross_prefix_i386="i686-linux-gnu-"} 1839: ${cross_prefix_m68k="m68k-linux-gnu-"} 1840: ${cross_prefix_microblaze="microblaze-linux-musl-"} 1841: ${cross_prefix_mips64el="mips64el-linux-gnuabi64-"} 1842: ${cross_prefix_mips64="mips64-linux-gnuabi64-"} 1843: ${cross_prefix_mipsel="mipsel-linux-gnu-"} 1844: ${cross_prefix_mips="mips-linux-gnu-"} 1845: ${cross_prefix_nios2="nios2-linux-gnu-"} 1846: ${cross_prefix_ppc="powerpc-linux-gnu-"} 1847: ${cross_prefix_ppc64="powerpc64-linux-gnu-"} 1848: ${cross_prefix_ppc64le="$cross_prefix_ppc64"} 1849: ${cross_prefix_riscv64="riscv64-linux-gnu-"} 1850: ${cross_prefix_s390x="s390x-linux-gnu-"} 1851: ${cross_prefix_sh4="sh4-linux-gnu-"} 1852: ${cross_prefix_sparc64="sparc64-linux-gnu-"} 1853: ${cross_prefix_sparc="$cross_prefix_sparc64"} 1854: ${cross_prefix_x86_64="x86_64-linux-gnu-"} 1855 1856: ${cross_cc_aarch64_be="$cross_cc_aarch64"} 1857: ${cross_cc_cflags_aarch64_be="-mbig-endian"} 1858: ${cross_cc_armeb="$cross_cc_arm"} 1859: ${cross_cc_cflags_armeb="-mbig-endian"} 1860: ${cross_cc_hexagon="hexagon-unknown-linux-musl-clang"} 1861: ${cross_cc_cflags_hexagon="-mv67 -O2 -static"} 1862: ${cross_cc_cflags_i386="-m32"} 1863: ${cross_cc_cflags_ppc="-m32 -mbig-endian"} 1864: ${cross_cc_cflags_ppc64="-m64 -mbig-endian"} 1865: ${cross_cc_ppc64le="$cross_cc_ppc64"} 1866: ${cross_cc_cflags_ppc64le="-m64 -mlittle-endian"} 1867: ${cross_cc_cflags_sparc64="-m64 -mcpu=ultrasparc"} 1868: ${cross_cc_sparc="$cross_cc_sparc64"} 1869: ${cross_cc_cflags_sparc="-m32 -mcpu=supersparc"} 1870: ${cross_cc_cflags_x86_64="-m64"} 1871 1872compute_target_variable() { 1873 eval "$2=" 1874 if eval test -n "\"\${cross_prefix_$1}\""; then 1875 if eval has "\"\${cross_prefix_$1}\$3\""; then 1876 eval "$2=\"\${cross_prefix_$1}\$3\"" 1877 fi 1878 fi 1879} 1880 1881have_target() { 1882 for i; do 1883 case " $target_list " in 1884 *" $i "*) return 0;; 1885 *) ;; 1886 esac 1887 done 1888 return 1 1889} 1890 1891# probe_target_compiler TARGET 1892# 1893# Look for a compiler for the given target, either native or cross. 1894# Set variables target_* if a compiler is found, and container_cross_* 1895# if a Docker-based cross-compiler image is known for the target. 1896# Set got_cross_cc to yes/no depending on whether a non-container-based 1897# compiler was found. 1898# 1899# If TARGET is a user-mode emulation target, also set build_static to 1900# "y" if static linking is possible. 1901# 1902probe_target_compiler() { 1903 # reset all output variables 1904 got_cross_cc=no 1905 container_image= 1906 container_hosts= 1907 container_cross_cc= 1908 container_cross_ar= 1909 container_cross_as= 1910 container_cross_ld= 1911 container_cross_nm= 1912 container_cross_objcopy= 1913 container_cross_ranlib= 1914 container_cross_strip= 1915 1916 # We shall skip configuring the target compiler if the user didn't 1917 # bother enabling an appropriate guest. This avoids building 1918 # extraneous firmware images and tests. 1919 if test "${target_list#*$1}" = "$1"; then 1920 return 1 1921 fi 1922 1923 target_arch=${1%%-*} 1924 case $target_arch in 1925 aarch64) container_hosts="x86_64 aarch64" ;; 1926 alpha) container_hosts=x86_64 ;; 1927 arm) container_hosts="x86_64 aarch64" ;; 1928 cris) container_hosts=x86_64 ;; 1929 hexagon) container_hosts=x86_64 ;; 1930 hppa) container_hosts=x86_64 ;; 1931 i386) container_hosts=x86_64 ;; 1932 loongarch64) container_hosts=x86_64 ;; 1933 m68k) container_hosts=x86_64 ;; 1934 microblaze) container_hosts=x86_64 ;; 1935 mips64el) container_hosts=x86_64 ;; 1936 mips64) container_hosts=x86_64 ;; 1937 mipsel) container_hosts=x86_64 ;; 1938 mips) container_hosts=x86_64 ;; 1939 nios2) container_hosts=x86_64 ;; 1940 ppc) container_hosts=x86_64 ;; 1941 ppc64|ppc64le) container_hosts=x86_64 ;; 1942 riscv64) container_hosts=x86_64 ;; 1943 s390x) container_hosts=x86_64 ;; 1944 sh4) container_hosts=x86_64 ;; 1945 sparc64) container_hosts=x86_64 ;; 1946 tricore) container_hosts=x86_64 ;; 1947 x86_64) container_hosts="aarch64 ppc64el x86_64" ;; 1948 xtensa*) container_hosts=x86_64 ;; 1949 esac 1950 1951 for host in $container_hosts; do 1952 test "$container" != no || continue 1953 test "$host" = "$cpu" || continue 1954 case $target_arch in 1955 aarch64) 1956 # We don't have any bigendian build tools so we only use this for AArch64 1957 container_image=debian-arm64-cross 1958 container_cross_prefix=aarch64-linux-gnu- 1959 container_cross_cc=${container_cross_prefix}gcc-10 1960 ;; 1961 alpha) 1962 container_image=debian-alpha-cross 1963 container_cross_prefix=alpha-linux-gnu- 1964 ;; 1965 arm) 1966 # We don't have any bigendian build tools so we only use this for ARM 1967 container_image=debian-armhf-cross 1968 container_cross_prefix=arm-linux-gnueabihf- 1969 ;; 1970 cris) 1971 container_image=fedora-cris-cross 1972 container_cross_prefix=cris-linux-gnu- 1973 ;; 1974 hexagon) 1975 container_image=debian-hexagon-cross 1976 container_cross_prefix=hexagon-unknown-linux-musl- 1977 container_cross_cc=${container_cross_prefix}clang 1978 ;; 1979 hppa) 1980 container_image=debian-hppa-cross 1981 container_cross_prefix=hppa-linux-gnu- 1982 ;; 1983 i386) 1984 container_image=fedora-i386-cross 1985 container_cross_prefix= 1986 ;; 1987 loongarch64) 1988 container_image=debian-loongarch-cross 1989 container_cross_prefix=loongarch64-unknown-linux-gnu- 1990 ;; 1991 m68k) 1992 container_image=debian-m68k-cross 1993 container_cross_prefix=m68k-linux-gnu- 1994 ;; 1995 microblaze) 1996 container_image=debian-microblaze-cross 1997 container_cross_prefix=microblaze-linux-musl- 1998 ;; 1999 mips64el) 2000 container_image=debian-mips64el-cross 2001 container_cross_prefix=mips64el-linux-gnuabi64- 2002 ;; 2003 mips64) 2004 container_image=debian-mips64-cross 2005 container_cross_prefix=mips64-linux-gnuabi64- 2006 ;; 2007 mipsel) 2008 container_image=debian-mipsel-cross 2009 container_cross_prefix=mipsel-linux-gnu- 2010 ;; 2011 mips) 2012 container_image=debian-mips-cross 2013 container_cross_prefix=mips-linux-gnu- 2014 ;; 2015 nios2) 2016 container_image=debian-nios2-cross 2017 container_cross_prefix=nios2-linux-gnu- 2018 ;; 2019 ppc) 2020 container_image=debian-powerpc-test-cross 2021 container_cross_prefix=powerpc-linux-gnu- 2022 container_cross_cc=${container_cross_prefix}gcc-10 2023 ;; 2024 ppc64|ppc64le) 2025 container_image=debian-powerpc-test-cross 2026 container_cross_prefix=powerpc${target_arch#ppc}-linux-gnu- 2027 container_cross_cc=${container_cross_prefix}gcc-10 2028 ;; 2029 riscv64) 2030 container_image=debian-riscv64-test-cross 2031 container_cross_prefix=riscv64-linux-gnu- 2032 ;; 2033 s390x) 2034 container_image=debian-s390x-cross 2035 container_cross_prefix=s390x-linux-gnu- 2036 ;; 2037 sh4) 2038 container_image=debian-sh4-cross 2039 container_cross_prefix=sh4-linux-gnu- 2040 ;; 2041 sparc64) 2042 container_image=debian-sparc64-cross 2043 container_cross_prefix=sparc64-linux-gnu- 2044 ;; 2045 tricore) 2046 container_image=debian-tricore-cross 2047 container_cross_prefix=tricore- 2048 container_cross_as=tricore-as 2049 container_cross_ld=tricore-ld 2050 break 2051 ;; 2052 x86_64) 2053 container_image=debian-amd64-cross 2054 container_cross_prefix=x86_64-linux-gnu- 2055 ;; 2056 xtensa*) 2057 container_hosts=x86_64 2058 container_image=debian-xtensa-cross 2059 2060 # default to the dc232b cpu 2061 container_cross_prefix=/opt/2020.07/xtensa-dc232b-elf/bin/xtensa-dc232b-elf- 2062 ;; 2063 esac 2064 : ${container_cross_cc:=${container_cross_prefix}gcc} 2065 : ${container_cross_ar:=${container_cross_prefix}ar} 2066 : ${container_cross_as:=${container_cross_prefix}as} 2067 : ${container_cross_ld:=${container_cross_prefix}ld} 2068 : ${container_cross_nm:=${container_cross_prefix}nm} 2069 : ${container_cross_objcopy:=${container_cross_prefix}objcopy} 2070 : ${container_cross_ranlib:=${container_cross_prefix}ranlib} 2071 : ${container_cross_strip:=${container_cross_prefix}strip} 2072 done 2073 2074 try=cross 2075 case "$target_arch:$cpu" in 2076 aarch64_be:aarch64 | \ 2077 armeb:arm | \ 2078 i386:x86_64 | \ 2079 mips*:mips64 | \ 2080 ppc*:ppc64 | \ 2081 sparc:sparc64 | \ 2082 "$cpu:$cpu") 2083 try='native cross' ;; 2084 esac 2085 eval "target_cflags=\${cross_cc_cflags_$target_arch}" 2086 for thistry in $try; do 2087 case $thistry in 2088 native) 2089 target_cc=$cc 2090 target_ccas=$ccas 2091 target_ar=$ar 2092 target_as=$as 2093 target_ld=$ld 2094 target_nm=$nm 2095 target_objcopy=$objcopy 2096 target_ranlib=$ranlib 2097 target_strip=$strip 2098 ;; 2099 cross) 2100 target_cc= 2101 if eval test -n "\"\${cross_cc_$target_arch}\""; then 2102 if eval has "\"\${cross_cc_$target_arch}\""; then 2103 eval "target_cc=\"\${cross_cc_$target_arch}\"" 2104 fi 2105 else 2106 compute_target_variable $target_arch target_cc gcc 2107 fi 2108 target_ccas=$target_cc 2109 compute_target_variable $target_arch target_ar ar 2110 compute_target_variable $target_arch target_as as 2111 compute_target_variable $target_arch target_ld ld 2112 compute_target_variable $target_arch target_nm nm 2113 compute_target_variable $target_arch target_objcopy objcopy 2114 compute_target_variable $target_arch target_ranlib ranlib 2115 compute_target_variable $target_arch target_strip strip 2116 ;; 2117 esac 2118 2119 if test -n "$target_cc"; then 2120 case $target_arch in 2121 i386|x86_64) 2122 if $target_cc --version | grep -qi "clang"; then 2123 continue 2124 fi 2125 ;; 2126 esac 2127 elif test -n "$target_as" && test -n "$target_ld"; then 2128 # Special handling for assembler only targets 2129 case $target in 2130 tricore-softmmu) 2131 build_static= 2132 got_cross_cc=yes 2133 break 2134 ;; 2135 *) 2136 continue 2137 ;; 2138 esac 2139 else 2140 continue 2141 fi 2142 2143 write_c_skeleton 2144 case $1 in 2145 *-softmmu) 2146 if do_compiler "$target_cc" $target_cflags -o $TMPO -c $TMPC && 2147 do_compiler "$target_cc" $target_cflags -r -nostdlib -o "${TMPDIR1}/${TMPB}2.o" "$TMPO" -lgcc; then 2148 got_cross_cc=yes 2149 break 2150 fi 2151 ;; 2152 *) 2153 if do_compiler "$target_cc" $target_cflags -o $TMPE $TMPC -static ; then 2154 build_static=y 2155 got_cross_cc=yes 2156 break 2157 fi 2158 if do_compiler "$target_cc" $target_cflags -o $TMPE $TMPC ; then 2159 build_static= 2160 got_cross_cc=yes 2161 break 2162 fi 2163 ;; 2164 esac 2165 done 2166 if test $got_cross_cc != yes; then 2167 build_static= 2168 target_cc= 2169 target_ccas= 2170 target_ar= 2171 target_as= 2172 target_ld= 2173 target_nm= 2174 target_objcopy= 2175 target_ranlib= 2176 target_strip= 2177 fi 2178 test -n "$target_cc" 2179} 2180 2181write_target_makefile() { 2182 echo "EXTRA_CFLAGS=$target_cflags" 2183 if test -z "$target_cc" && test -z "$target_as"; then 2184 test -z "$container_image" && error_exit "Internal error: could not find cross compiler for $1?" 2185 echo "$1: docker-image-$container_image" >> Makefile.prereqs 2186 if test -n "$container_cross_cc"; then 2187 echo "CC=$docker_py cc --cc $container_cross_cc -i qemu/$container_image -s $source_path --" 2188 echo "CCAS=$docker_py cc --cc $container_cross_cc -i qemu/$container_image -s $source_path --" 2189 fi 2190 echo "AR=$docker_py cc --cc $container_cross_ar -i qemu/$container_image -s $source_path --" 2191 echo "AS=$docker_py cc --cc $container_cross_as -i qemu/$container_image -s $source_path --" 2192 echo "LD=$docker_py cc --cc $container_cross_ld -i qemu/$container_image -s $source_path --" 2193 echo "NM=$docker_py cc --cc $container_cross_nm -i qemu/$container_image -s $source_path --" 2194 echo "OBJCOPY=$docker_py cc --cc $container_cross_objcopy -i qemu/$container_image -s $source_path --" 2195 echo "RANLIB=$docker_py cc --cc $container_cross_ranlib -i qemu/$container_image -s $source_path --" 2196 echo "STRIP=$docker_py cc --cc $container_cross_strip -i qemu/$container_image -s $source_path --" 2197 else 2198 if test -n "$target_cc"; then 2199 echo "CC=$target_cc" 2200 echo "CCAS=$target_ccas" 2201 fi 2202 if test -n "$target_ar"; then 2203 echo "AR=$target_ar" 2204 fi 2205 if test -n "$target_as"; then 2206 echo "AS=$target_as" 2207 fi 2208 if test -n "$target_ld"; then 2209 echo "LD=$target_ld" 2210 fi 2211 if test -n "$target_nm"; then 2212 echo "NM=$target_nm" 2213 fi 2214 if test -n "$target_objcopy"; then 2215 echo "OBJCOPY=$target_objcopy" 2216 fi 2217 if test -n "$target_ranlib"; then 2218 echo "RANLIB=$target_ranlib" 2219 fi 2220 if test -n "$target_strip"; then 2221 echo "STRIP=$target_strip" 2222 fi 2223 fi 2224} 2225 2226########################################## 2227# check for vfio_user_server 2228 2229case "$vfio_user_server" in 2230 enabled ) 2231 if test "$git_submodules_action" != "ignore"; then 2232 git_submodules="${git_submodules} subprojects/libvfio-user" 2233 fi 2234 ;; 2235esac 2236 2237########################################## 2238# End of CC checks 2239# After here, no more $cc or $ld runs 2240 2241write_c_skeleton 2242 2243if test "$fortify_source" = "yes" ; then 2244 QEMU_CFLAGS="-U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $QEMU_CFLAGS" 2245fi 2246 2247if test "$have_asan" = "yes"; then 2248 QEMU_CFLAGS="-fsanitize=address $QEMU_CFLAGS" 2249 QEMU_LDFLAGS="-fsanitize=address $QEMU_LDFLAGS" 2250 if test "$have_asan_iface_h" = "no" ; then 2251 echo "ASAN build enabled, but ASAN header missing." \ 2252 "Without code annotation, the report may be inferior." 2253 elif test "$have_asan_iface_fiber" = "no" ; then 2254 echo "ASAN build enabled, but ASAN header is too old." \ 2255 "Without code annotation, the report may be inferior." 2256 fi 2257fi 2258if test "$have_tsan" = "yes" ; then 2259 if test "$have_tsan_iface_fiber" = "yes" ; then 2260 QEMU_CFLAGS="-fsanitize=thread $QEMU_CFLAGS" 2261 QEMU_LDFLAGS="-fsanitize=thread $QEMU_LDFLAGS" 2262 else 2263 error_exit "Cannot enable TSAN due to missing fiber annotation interface." 2264 fi 2265elif test "$tsan" = "yes" ; then 2266 error_exit "Cannot enable TSAN due to missing sanitize thread interface." 2267fi 2268if test "$have_ubsan" = "yes"; then 2269 QEMU_CFLAGS="-fsanitize=undefined $QEMU_CFLAGS" 2270 QEMU_LDFLAGS="-fsanitize=undefined $QEMU_LDFLAGS" 2271fi 2272 2273####################################### 2274# cross-compiled firmware targets 2275 2276# Set up build tree symlinks that point back into the source tree 2277# (these can be both files and directories). 2278# Caution: avoid adding files or directories here using wildcards. This 2279# will result in problems later if a new file matching the wildcard is 2280# added to the source tree -- nothing will cause configure to be rerun 2281# so the build tree will be missing the link back to the new file, and 2282# tests might fail. Prefer to keep the relevant files in their own 2283# directory and symlink the directory instead. 2284LINKS="Makefile" 2285LINKS="$LINKS docs/config" 2286LINKS="$LINKS pc-bios/optionrom/Makefile" 2287LINKS="$LINKS pc-bios/s390-ccw/Makefile" 2288LINKS="$LINKS pc-bios/vof/Makefile" 2289LINKS="$LINKS .gdbinit scripts" # scripts needed by relative path in .gdbinit 2290LINKS="$LINKS tests/avocado tests/data" 2291LINKS="$LINKS tests/qemu-iotests/check" 2292LINKS="$LINKS python" 2293LINKS="$LINKS contrib/plugins/Makefile " 2294for f in $LINKS ; do 2295 if [ -e "$source_path/$f" ]; then 2296 mkdir -p "$(dirname ./"$f")" 2297 symlink "$source_path/$f" "$f" 2298 fi 2299done 2300 2301echo "# Automatically generated by configure - do not modify" > Makefile.prereqs 2302 2303# Mac OS X ships with a broken assembler 2304roms= 2305if have_target i386-softmmu x86_64-softmmu && \ 2306 test "$targetos" != "darwin" && test "$targetos" != "sunos" && \ 2307 test "$targetos" != "haiku" && \ 2308 probe_target_compiler i386-softmmu; then 2309 roms="pc-bios/optionrom" 2310 config_mak=pc-bios/optionrom/config.mak 2311 echo "# Automatically generated by configure - do not modify" > $config_mak 2312 echo "TOPSRC_DIR=$source_path" >> $config_mak 2313 write_target_makefile >> $config_mak 2314fi 2315 2316if have_target ppc-softmmu ppc64-softmmu && \ 2317 probe_target_compiler ppc-softmmu; then 2318 roms="$roms pc-bios/vof" 2319 config_mak=pc-bios/vof/config.mak 2320 echo "# Automatically generated by configure - do not modify" > $config_mak 2321 echo "SRC_DIR=$source_path/pc-bios/vof" >> $config_mak 2322 write_target_makefile >> $config_mak 2323fi 2324 2325# Only build s390-ccw bios if the compiler has -march=z900 or -march=z10 2326# (which is the lowest architecture level that Clang supports) 2327if have_target s390x-softmmu && probe_target_compiler s390x-softmmu; then 2328 write_c_skeleton 2329 do_compiler "$target_cc" $target_cc_cflags -march=z900 -o $TMPO -c $TMPC 2330 has_z900=$? 2331 if [ $has_z900 = 0 ] || do_compiler "$target_cc" $target_cc_cflags -march=z10 -msoft-float -Werror -o $TMPO -c $TMPC; then 2332 if [ $has_z900 != 0 ]; then 2333 echo "WARNING: Your compiler does not support the z900!" 2334 echo " The s390-ccw bios will only work with guest CPUs >= z10." 2335 fi 2336 roms="$roms pc-bios/s390-ccw" 2337 config_mak=pc-bios/s390-ccw/config-host.mak 2338 echo "# Automatically generated by configure - do not modify" > $config_mak 2339 echo "SRC_PATH=$source_path/pc-bios/s390-ccw" >> $config_mak 2340 write_target_makefile >> $config_mak 2341 # SLOF is required for building the s390-ccw firmware on s390x, 2342 # since it is using the libnet code from SLOF for network booting. 2343 git_submodules="${git_submodules} roms/SLOF" 2344 fi 2345fi 2346 2347####################################### 2348# generate config-host.mak 2349 2350if ! (GIT="$git" "$source_path/scripts/git-submodule.sh" "$git_submodules_action" "$git_submodules"); then 2351 exit 1 2352fi 2353 2354config_host_mak="config-host.mak" 2355 2356echo "# Automatically generated by configure - do not modify" > $config_host_mak 2357echo >> $config_host_mak 2358 2359echo all: >> $config_host_mak 2360echo "GIT=$git" >> $config_host_mak 2361echo "GIT_SUBMODULES=$git_submodules" >> $config_host_mak 2362echo "GIT_SUBMODULES_ACTION=$git_submodules_action" >> $config_host_mak 2363 2364if test "$debug_tcg" = "yes" ; then 2365 echo "CONFIG_DEBUG_TCG=y" >> $config_host_mak 2366fi 2367if test "$mingw32" = "yes" ; then 2368 echo "CONFIG_WIN32=y" >> $config_host_mak 2369 echo "QEMU_GA_MANUFACTURER=${QEMU_GA_MANUFACTURER-QEMU}" >> $config_host_mak 2370 echo "QEMU_GA_DISTRO=${QEMU_GA_DISTRO-Linux}" >> $config_host_mak 2371 echo "QEMU_GA_VERSION=${QEMU_GA_VERSION-$(cat "$source_path"/VERSION)}" >> $config_host_mak 2372else 2373 echo "CONFIG_POSIX=y" >> $config_host_mak 2374fi 2375 2376if test "$linux" = "yes" ; then 2377 echo "CONFIG_LINUX=y" >> $config_host_mak 2378fi 2379 2380if test "$darwin" = "yes" ; then 2381 echo "CONFIG_DARWIN=y" >> $config_host_mak 2382fi 2383 2384if test "$solaris" = "yes" ; then 2385 echo "CONFIG_SOLARIS=y" >> $config_host_mak 2386fi 2387if test "$static" = "yes" ; then 2388 echo "CONFIG_STATIC=y" >> $config_host_mak 2389fi 2390echo "SRC_PATH=$source_path" >> $config_host_mak 2391echo "TARGET_DIRS=$target_list" >> $config_host_mak 2392if test "$modules" = "yes"; then 2393 echo "CONFIG_MODULES=y" >> $config_host_mak 2394fi 2395 2396# XXX: suppress that 2397if [ "$bsd" = "yes" ] ; then 2398 echo "CONFIG_BSD=y" >> $config_host_mak 2399fi 2400 2401echo "CONFIG_COROUTINE_BACKEND=$coroutine" >> $config_host_mak 2402 2403if test "$have_asan_iface_fiber" = "yes" ; then 2404 echo "CONFIG_ASAN_IFACE_FIBER=y" >> $config_host_mak 2405fi 2406 2407if test "$have_tsan" = "yes" && test "$have_tsan_iface_fiber" = "yes" ; then 2408 echo "CONFIG_TSAN=y" >> $config_host_mak 2409fi 2410 2411if test "$plugins" = "yes" ; then 2412 echo "CONFIG_PLUGIN=y" >> $config_host_mak 2413fi 2414 2415if test -n "$gdb_bin"; then 2416 gdb_version=$($gdb_bin --version | head -n 1) 2417 if version_ge ${gdb_version##* } 9.1; then 2418 echo "HAVE_GDB_BIN=$gdb_bin" >> $config_host_mak 2419 gdb_arches=$("$source_path/scripts/probe-gdb-support.py" $gdb_bin) 2420 else 2421 gdb_bin="" 2422 fi 2423fi 2424 2425if test "$container" != no; then 2426 echo "ENGINE=$container" >> $config_host_mak 2427 echo "RUNC=$runc" >> $config_host_mak 2428fi 2429echo "ROMS=$roms" >> $config_host_mak 2430echo "MAKE=$make" >> $config_host_mak 2431echo "PYTHON=$python" >> $config_host_mak 2432echo "GENISOIMAGE=$genisoimage" >> $config_host_mak 2433echo "MESON=$meson" >> $config_host_mak 2434echo "NINJA=$ninja" >> $config_host_mak 2435echo "CC=$cc" >> $config_host_mak 2436echo "QEMU_CFLAGS=$QEMU_CFLAGS" >> $config_host_mak 2437echo "QEMU_OBJCFLAGS=$QEMU_OBJCFLAGS" >> $config_host_mak 2438echo "GLIB_CFLAGS=$glib_cflags" >> $config_host_mak 2439echo "GLIB_LIBS=$glib_libs" >> $config_host_mak 2440echo "GLIB_BINDIR=$glib_bindir" >> $config_host_mak 2441echo "GLIB_VERSION=$($pkg_config --modversion glib-2.0)" >> $config_host_mak 2442if test "$glib_has_gslice" = "yes" ; then 2443 echo "HAVE_GLIB_WITH_SLICE_ALLOCATOR=y" >> $config_host_mak 2444fi 2445echo "QEMU_LDFLAGS=$QEMU_LDFLAGS" >> $config_host_mak 2446echo "EXESUF=$EXESUF" >> $config_host_mak 2447 2448# use included Linux headers 2449if test "$linux" = "yes" ; then 2450 mkdir -p linux-headers 2451 case "$cpu" in 2452 i386|x86_64) 2453 linux_arch=x86 2454 ;; 2455 ppc|ppc64) 2456 linux_arch=powerpc 2457 ;; 2458 s390x) 2459 linux_arch=s390 2460 ;; 2461 aarch64) 2462 linux_arch=arm64 2463 ;; 2464 loongarch*) 2465 linux_arch=loongarch 2466 ;; 2467 mips64) 2468 linux_arch=mips 2469 ;; 2470 *) 2471 # For most CPUs the kernel architecture name and QEMU CPU name match. 2472 linux_arch="$cpu" 2473 ;; 2474 esac 2475 # For non-KVM architectures we will not have asm headers 2476 if [ -e "$source_path/linux-headers/asm-$linux_arch" ]; then 2477 symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm 2478 fi 2479fi 2480 2481for target in $target_list; do 2482 target_dir="$target" 2483 target_name=$(echo $target | cut -d '-' -f 1)$EXESUF 2484 mkdir -p "$target_dir" 2485 case $target in 2486 *-user) symlink "../qemu-$target_name" "$target_dir/qemu-$target_name" ;; 2487 *) symlink "../qemu-system-$target_name" "$target_dir/qemu-system-$target_name" ;; 2488 esac 2489done 2490 2491if test "$default_targets" = "yes"; then 2492 echo "CONFIG_DEFAULT_TARGETS=y" >> $config_host_mak 2493fi 2494 2495if test "$ccache_cpp2" = "yes"; then 2496 echo "export CCACHE_CPP2=y" >> $config_host_mak 2497fi 2498 2499if test "$safe_stack" = "yes"; then 2500 echo "CONFIG_SAFESTACK=y" >> $config_host_mak 2501fi 2502 2503# tests/tcg configuration 2504(config_host_mak=tests/tcg/config-host.mak 2505mkdir -p tests/tcg 2506echo "# Automatically generated by configure - do not modify" > $config_host_mak 2507echo "SRC_PATH=$source_path" >> $config_host_mak 2508echo "HOST_CC=$host_cc" >> $config_host_mak 2509 2510# versioned checked in the main config_host.mak above 2511if test -n "$gdb_bin"; then 2512 echo "HAVE_GDB_BIN=$gdb_bin" >> $config_host_mak 2513fi 2514if test "$plugins" = "yes" ; then 2515 echo "CONFIG_PLUGIN=y" >> $config_host_mak 2516fi 2517 2518tcg_tests_targets= 2519for target in $target_list; do 2520 arch=${target%%-*} 2521 2522 case $target in 2523 xtensa*-linux-user) 2524 # the toolchain is not complete with headers, only build softmmu tests 2525 continue 2526 ;; 2527 *-softmmu) 2528 test -f "$source_path/tests/tcg/$arch/Makefile.softmmu-target" || continue 2529 qemu="qemu-system-$arch" 2530 ;; 2531 *-linux-user|*-bsd-user) 2532 qemu="qemu-$arch" 2533 ;; 2534 esac 2535 2536 if probe_target_compiler $target || test -n "$container_image"; then 2537 test -n "$container_image" && build_static=y 2538 mkdir -p "tests/tcg/$target" 2539 config_target_mak=tests/tcg/$target/config-target.mak 2540 ln -sf "$source_path/tests/tcg/Makefile.target" "tests/tcg/$target/Makefile" 2541 echo "# Automatically generated by configure - do not modify" > "$config_target_mak" 2542 echo "TARGET_NAME=$arch" >> "$config_target_mak" 2543 echo "TARGET=$target" >> "$config_target_mak" 2544 write_target_makefile "build-tcg-tests-$target" >> "$config_target_mak" 2545 echo "BUILD_STATIC=$build_static" >> "$config_target_mak" 2546 echo "QEMU=$PWD/$qemu" >> "$config_target_mak" 2547 2548 # will GDB work with these binaries? 2549 if test "${gdb_arches#*$arch}" != "$gdb_arches"; then 2550 echo "HOST_GDB_SUPPORTS_ARCH=y" >> "$config_target_mak" 2551 fi 2552 2553 echo "run-tcg-tests-$target: $qemu\$(EXESUF)" >> Makefile.prereqs 2554 tcg_tests_targets="$tcg_tests_targets $target" 2555 fi 2556done 2557 2558if test "$tcg" = "enabled"; then 2559 echo "TCG_TESTS_TARGETS=$tcg_tests_targets" >> config-host.mak 2560fi 2561) 2562 2563if test "$skip_meson" = no; then 2564 cross="config-meson.cross.new" 2565 meson_quote() { 2566 test $# = 0 && return 2567 echo "'$(echo $* | sed "s/ /','/g")'" 2568 } 2569 2570 echo "# Automatically generated by configure - do not modify" > $cross 2571 echo "[properties]" >> $cross 2572 2573 # unroll any custom device configs 2574 for a in $device_archs; do 2575 eval "c=\$devices_${a}" 2576 echo "${a}-softmmu = '$c'" >> $cross 2577 done 2578 2579 echo "[built-in options]" >> $cross 2580 echo "c_args = [$(meson_quote $CFLAGS $EXTRA_CFLAGS)]" >> $cross 2581 echo "cpp_args = [$(meson_quote $CXXFLAGS $EXTRA_CXXFLAGS)]" >> $cross 2582 test -n "$objcc" && echo "objc_args = [$(meson_quote $OBJCFLAGS $EXTRA_OBJCFLAGS)]" >> $cross 2583 echo "c_link_args = [$(meson_quote $CFLAGS $LDFLAGS $EXTRA_CFLAGS $EXTRA_LDFLAGS)]" >> $cross 2584 echo "cpp_link_args = [$(meson_quote $CXXFLAGS $LDFLAGS $EXTRA_CXXFLAGS $EXTRA_LDFLAGS)]" >> $cross 2585 echo "[binaries]" >> $cross 2586 echo "c = [$(meson_quote $cc $CPU_CFLAGS)]" >> $cross 2587 test -n "$cxx" && echo "cpp = [$(meson_quote $cxx $CPU_CFLAGS)]" >> $cross 2588 test -n "$objcc" && echo "objc = [$(meson_quote $objcc $CPU_CFLAGS)]" >> $cross 2589 echo "ar = [$(meson_quote $ar)]" >> $cross 2590 echo "nm = [$(meson_quote $nm)]" >> $cross 2591 echo "pkgconfig = [$(meson_quote $pkg_config_exe)]" >> $cross 2592 echo "ranlib = [$(meson_quote $ranlib)]" >> $cross 2593 if has $sdl2_config; then 2594 echo "sdl2-config = [$(meson_quote $sdl2_config)]" >> $cross 2595 fi 2596 echo "strip = [$(meson_quote $strip)]" >> $cross 2597 echo "widl = [$(meson_quote $widl)]" >> $cross 2598 echo "windres = [$(meson_quote $windres)]" >> $cross 2599 echo "windmc = [$(meson_quote $windmc)]" >> $cross 2600 if test "$cross_compile" = "yes"; then 2601 cross_arg="--cross-file config-meson.cross" 2602 echo "[host_machine]" >> $cross 2603 echo "system = '$targetos'" >> $cross 2604 case "$cpu" in 2605 i386) 2606 echo "cpu_family = 'x86'" >> $cross 2607 ;; 2608 *) 2609 echo "cpu_family = '$cpu'" >> $cross 2610 ;; 2611 esac 2612 echo "cpu = '$cpu'" >> $cross 2613 if test "$bigendian" = "yes" ; then 2614 echo "endian = 'big'" >> $cross 2615 else 2616 echo "endian = 'little'" >> $cross 2617 fi 2618 else 2619 cross_arg="--native-file config-meson.cross" 2620 fi 2621 mv $cross config-meson.cross 2622 2623 rm -rf meson-private meson-info meson-logs 2624 2625 # Prevent meson from automatically downloading wrapped subprojects when missing. 2626 # You can use 'meson subprojects download' before running configure. 2627 meson_option_add "--wrap-mode=nodownload" 2628 2629 # Built-in options 2630 test "$bindir" != "bin" && meson_option_add "-Dbindir=$bindir" 2631 test "$default_feature" = no && meson_option_add -Dauto_features=disabled 2632 test "$pie" = no && meson_option_add -Db_pie=false 2633 test "$werror" = yes && meson_option_add -Dwerror=true 2634 2635 # QEMU options 2636 test "$cfi" != false && meson_option_add "-Dcfi=$cfi" 2637 test "$fdt" != auto && meson_option_add "-Dfdt=$fdt" 2638 test -n "${LIB_FUZZING_ENGINE+xxx}" && meson_option_add "-Dfuzzing_engine=$LIB_FUZZING_ENGINE" 2639 test "$qemu_suffix" != qemu && meson_option_add "-Dqemu_suffix=$qemu_suffix" 2640 test "$smbd" != '' && meson_option_add "-Dsmbd=$smbd" 2641 test "$tcg" != enabled && meson_option_add "-Dtcg=$tcg" 2642 test "$vfio_user_server" != auto && meson_option_add "-Dvfio_user_server=$vfio_user_server" 2643 run_meson() { 2644 NINJA=$ninja $meson setup --prefix "$prefix" "$@" $cross_arg "$PWD" "$source_path" 2645 } 2646 eval run_meson $meson_options 2647 if test "$?" -ne 0 ; then 2648 error_exit "meson setup failed" 2649 fi 2650fi 2651 2652# Save the configure command line for later reuse. 2653cat <<EOD >config.status 2654#!/bin/sh 2655# Generated by configure. 2656# Run this file to recreate the current configuration. 2657# Compiler output produced by configure, useful for debugging 2658# configure, is in config.log if it exists. 2659EOD 2660 2661preserve_env() { 2662 envname=$1 2663 2664 eval envval=\$$envname 2665 2666 if test -n "$envval" 2667 then 2668 echo "$envname='$envval'" >> config.status 2669 echo "export $envname" >> config.status 2670 else 2671 echo "unset $envname" >> config.status 2672 fi 2673} 2674 2675# Preserve various env variables that influence what 2676# features/build target configure will detect 2677preserve_env AR 2678preserve_env AS 2679preserve_env CC 2680preserve_env CFLAGS 2681preserve_env CXX 2682preserve_env CXXFLAGS 2683preserve_env LD 2684preserve_env LDFLAGS 2685preserve_env LD_LIBRARY_PATH 2686preserve_env MAKE 2687preserve_env NM 2688preserve_env OBJCFLAGS 2689preserve_env OBJCOPY 2690preserve_env PATH 2691preserve_env PKG_CONFIG 2692preserve_env PKG_CONFIG_LIBDIR 2693preserve_env PKG_CONFIG_PATH 2694preserve_env PYTHON 2695preserve_env QEMU_GA_MANUFACTURER 2696preserve_env QEMU_GA_DISTRO 2697preserve_env QEMU_GA_VERSION 2698preserve_env SDL2_CONFIG 2699preserve_env SMBD 2700preserve_env STRIP 2701preserve_env WIDL 2702preserve_env WINDRES 2703preserve_env WINDMC 2704 2705printf "exec" >>config.status 2706for i in "$0" "$@"; do 2707 test "$i" = --skip-meson || printf " %s" "$(quote_sh "$i")" >>config.status 2708done 2709echo ' "$@"' >>config.status 2710chmod +x config.status 2711 2712rm -r "$TMPDIR1" 2713