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. Unlike autoconf, we assume that unset exists. 8unset CLICOLOR_FORCE GREP_OPTIONS BASH_ENV ENV MAIL MAILPATH CDPATH 9 10# Don't allow CCACHE, if present, to use cached results of compile tests! 11export CCACHE_RECACHE=yes 12 13# make source path absolute 14source_path=$(cd "$(dirname -- "$0")"; pwd) 15 16if test "$PWD" -ef "$source_path" 17then 18 echo "Using './build' as the directory for build output" 19 20 MARKER=build/auto-created-by-configure 21 22 if test -e build 23 then 24 if test -f $MARKER 25 then 26 rm -rf build 27 else 28 echo "ERROR: ./build dir already exists and was not previously created by configure" 29 exit 1 30 fi 31 fi 32 33 if ! mkdir build || ! touch $MARKER 34 then 35 echo "ERROR: Could not create ./build directory. Check the permissions on" 36 echo "your source directory, or try doing an out-of-tree build." 37 exit 1 38 fi 39 40 cat > GNUmakefile <<'EOF' 41# This file is auto-generated by configure to support in-source tree 42# 'make' command invocation 43 44build: 45 @echo 'changing dir to build for $(MAKE) "$(MAKECMDGOALS)"...' 46 @$(MAKE) -C build -f Makefile $(MAKECMDGOALS) 47 @if test "$(MAKECMDGOALS)" = "distclean" && \ 48 test -e build/auto-created-by-configure ; \ 49 then \ 50 rm -rf build GNUmakefile ; \ 51 fi 52%: build 53 @ 54.PHONY: build 55GNUmakefile: ; 56 57EOF 58 cd build 59 exec "$source_path/configure" "$@" 60fi 61 62# Temporary directory used for files created while 63# configure runs. Since it is in the build directory 64# we can safely blow away any previous version of it 65# (and we need not jump through hoops to try to delete 66# it when configure exits.) 67TMPDIR1="config-temp" 68rm -rf "${TMPDIR1}" 69if ! mkdir -p "${TMPDIR1}"; then 70 echo "ERROR: failed to create temporary directory" 71 exit 1 72fi 73 74TMPB="qemu-conf" 75TMPC="${TMPDIR1}/${TMPB}.c" 76TMPO="${TMPDIR1}/${TMPB}.o" 77TMPE="${TMPDIR1}/${TMPB}.exe" 78 79rm -f config.log 80 81# Print a helpful header at the top of config.log 82echo "# QEMU configure log $(date)" >> config.log 83printf "# Configured with:" >> config.log 84# repeat the invocation to log and stdout for CI 85invoke=$(printf " '%s'" "$0" "$@") 86test -n "$GITLAB_CI" && echo "configuring with: $invoke" 87{ echo "$invoke"; echo; echo "#"; } >> config.log 88 89quote_sh() { 90 printf "%s" "$1" | sed "s,','\\\\'',g; s,.*,'&'," 91} 92 93error_exit() { 94 (echo 95 echo "ERROR: $1" 96 while test -n "$2"; do 97 echo " $2" 98 shift 99 done 100 echo) >&2 101 exit 1 102} 103 104do_compiler() { 105 # Run the compiler, capturing its output to the log. First argument 106 # is compiler binary to execute. 107 compiler="$1" 108 shift 109 if test -n "$BASH_VERSION"; then eval ' 110 echo >>config.log " 111funcs: ${FUNCNAME[*]} 112lines: ${BASH_LINENO[*]}" 113 '; fi 114 echo $compiler "$@" >> config.log 115 $compiler "$@" >> config.log 2>&1 || return $? 116} 117 118do_cc() { 119 do_compiler "$cc" $CPU_CFLAGS "$@" 120} 121 122compile_object() { 123 local_cflags="$1" 124 do_cc $CFLAGS $EXTRA_CFLAGS $local_cflags -c -o $TMPO $TMPC 125} 126 127compile_prog() { 128 local_cflags="$1" 129 local_ldflags="$2" 130 do_cc $CFLAGS $EXTRA_CFLAGS $local_cflags -o $TMPE $TMPC \ 131 $LDFLAGS $EXTRA_LDFLAGS $local_ldflags 132} 133 134# symbolically link $1 to $2. Portable version of "ln -sf". 135symlink() { 136 rm -rf "$2" 137 mkdir -p "$(dirname "$2")" 138 ln -s "$1" "$2" 139} 140 141# check whether a command is available to this shell (may be either an 142# executable or a builtin) 143has() { 144 type "$1" >/dev/null 2>&1 145} 146 147version_ge () { 148 local_ver1=$(expr "$1" : '\([0-9.]*\)' | tr . ' ') 149 local_ver2=$(echo "$2" | tr . ' ') 150 while true; do 151 set x $local_ver1 152 local_first=${2-0} 153 # 'shift 2' if $2 is set, or 'shift' if $2 is not set 154 shift ${2:+2} 155 local_ver1=$* 156 set x $local_ver2 157 # the second argument finished, the first must be greater or equal 158 test $# = 1 && return 0 159 test $local_first -lt $2 && return 1 160 test $local_first -gt $2 && return 0 161 shift ${2:+2} 162 local_ver2=$* 163 done 164} 165 166if printf %s\\n "$source_path" "$PWD" | grep -q "[[:space:]:]"; 167then 168 error_exit "main directory cannot contain spaces nor colons" 169fi 170 171# parse CC options first; some compiler tests are used to establish 172# some defaults, based on the host environment 173 174# default parameters 175container_engine="auto" 176cpu="" 177cross_compile="no" 178cross_prefix="" 179host_cc="cc" 180EXTRA_CFLAGS="" 181EXTRA_CXXFLAGS="" 182EXTRA_OBJCFLAGS="" 183EXTRA_LDFLAGS="" 184 185# Default value for a variable defining feature "foo". 186# * foo="no" feature will only be used if --enable-foo arg is given 187# * foo="" feature will be searched for, and if found, will be used 188# unless --disable-foo is given 189# * foo="yes" this value will only be set by --enable-foo flag. 190# feature will searched for, 191# if not found, configure exits with error 192# 193# Always add --enable-foo and --disable-foo command line args. 194# Distributions want to ensure that several features are compiled in, and it 195# is impossible without a --enable-foo that exits if a feature is not found. 196default_feature="" 197 198for opt do 199 optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)') 200 case "$opt" in 201 --cross-prefix=*) cross_prefix="$optarg" 202 cross_compile="yes" 203 ;; 204 --cc=*) CC="$optarg" 205 ;; 206 --cxx=*) CXX="$optarg" 207 ;; 208 --objcc=*) objcc="$optarg" 209 ;; 210 --rustc=*) RUSTC="$optarg" 211 ;; 212 --cpu=*) cpu="$optarg" 213 ;; 214 --extra-cflags=*) 215 EXTRA_CFLAGS="$EXTRA_CFLAGS $optarg" 216 EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS $optarg" 217 EXTRA_OBJCFLAGS="$EXTRA_OBJCFLAGS $optarg" 218 ;; 219 --extra-cxxflags=*) EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS $optarg" 220 ;; 221 --extra-objcflags=*) EXTRA_OBJCFLAGS="$EXTRA_OBJCFLAGS $optarg" 222 ;; 223 --extra-ldflags=*) EXTRA_LDFLAGS="$EXTRA_LDFLAGS $optarg" 224 ;; 225 --cross-cc-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-cc-FOO option" 226 ;; 227 --cross-cc-cflags-*) cc_arch=${opt#--cross-cc-cflags-}; cc_arch=${cc_arch%%=*} 228 eval "cross_cc_cflags_${cc_arch}=\$optarg" 229 ;; 230 --cross-cc-*) cc_arch=${opt#--cross-cc-}; cc_arch=${cc_arch%%=*} 231 eval "cross_cc_${cc_arch}=\$optarg" 232 ;; 233 --cross-prefix-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-prefix-FOO option" 234 ;; 235 --cross-prefix-*) cc_arch=${opt#--cross-prefix-}; cc_arch=${cc_arch%%=*} 236 eval "cross_prefix_${cc_arch}=\$optarg" 237 ;; 238 --without-default-features) default_feature="no" 239 ;; 240 esac 241done 242 243default_cflags='-O2 -g' 244git_submodules_action="update" 245docs="auto" 246EXESUF="" 247system="yes" 248linux_user="" 249bsd_user="" 250plugins="$default_feature" 251subdirs="" 252ninja="" 253python= 254download="enabled" 255skip_meson=no 256use_containers="yes" 257rust="disabled" 258rust_target_triple="" 259gdb_bin=$(command -v "gdb-multiarch" || command -v "gdb") 260gdb_arches="" 261 262# Don't accept a target_list environment variable. 263unset target_list 264unset target_list_exclude 265 266# The following Meson options are handled manually (still they 267# are included in the automatically generated help message) 268# because they automatically enable/disable other options 269tcg="auto" 270cfi="false" 271 272# Meson has PIE as a boolean rather than enabled/disabled/auto, 273# and we also need to check for -static-pie before Meson runs 274# which requires knowing whether --static is enabled. 275pie="" 276static="no" 277 278# Preferred compiler: 279# ${CC} (if set) 280# ${cross_prefix}gcc (if cross-prefix specified) 281# system compiler 282if test -z "${CC}${cross_prefix}"; then 283 cc="cc" 284else 285 cc="${CC-${cross_prefix}gcc}" 286fi 287 288if test -z "${CXX}${cross_prefix}"; then 289 cxx="c++" 290else 291 cxx="${CXX-${cross_prefix}g++}" 292fi 293 294# Preferred ObjC compiler: 295# $objcc (if set, i.e. via --objcc option) 296# ${cross_prefix}clang (if cross-prefix specified) 297# clang (if available) 298# $cc 299if test -z "${objcc}${cross_prefix}"; then 300 if has clang; then 301 objcc=clang 302 else 303 objcc="$cc" 304 fi 305else 306 objcc="${objcc-${cross_prefix}clang}" 307fi 308 309ar="${AR-${cross_prefix}ar}" 310as="${AS-${cross_prefix}as}" 311ccas="${CCAS-$cc}" 312dlltool="${DLLTOOL-${cross_prefix}dlltool}" 313objcopy="${OBJCOPY-${cross_prefix}objcopy}" 314ld="${LD-${cross_prefix}ld}" 315ranlib="${RANLIB-${cross_prefix}ranlib}" 316nm="${NM-${cross_prefix}nm}" 317readelf="${READELF-${cross_prefix}readelf}" 318strip="${STRIP-${cross_prefix}strip}" 319widl="${WIDL-${cross_prefix}widl}" 320windres="${WINDRES-${cross_prefix}windres}" 321windmc="${WINDMC-${cross_prefix}windmc}" 322pkg_config="${PKG_CONFIG-${cross_prefix}pkg-config}" 323sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}" 324 325rustc="${RUSTC-rustc}" 326 327check_define() { 328cat > $TMPC <<EOF 329#if !defined($1) 330#error $1 not defined 331#endif 332int main(void) { return 0; } 333EOF 334 compile_object 335} 336 337write_c_skeleton() { 338 cat > $TMPC <<EOF 339int main(void) { return 0; } 340EOF 341} 342 343if check_define __linux__ ; then 344 host_os=linux 345elif check_define _WIN32 ; then 346 host_os=windows 347elif check_define __OpenBSD__ ; then 348 host_os=openbsd 349elif check_define __sun__ ; then 350 host_os=sunos 351elif check_define __HAIKU__ ; then 352 host_os=haiku 353elif check_define __FreeBSD__ ; then 354 host_os=freebsd 355elif check_define __FreeBSD_kernel__ && check_define __GLIBC__; then 356 host_os=gnu/kfreebsd 357elif check_define __DragonFly__ ; then 358 host_os=dragonfly 359elif check_define __NetBSD__; then 360 host_os=netbsd 361elif check_define __APPLE__; then 362 host_os=darwin 363else 364 # This is a fatal error, but don't report it yet, because we 365 # might be going to just print the --help text, or it might 366 # be the result of a missing compiler. 367 host_os=bogus 368fi 369 370if test ! -z "$cpu" ; then 371 # command line argument 372 : 373elif check_define __i386__ ; then 374 cpu="i386" 375elif check_define __x86_64__ ; then 376 if check_define __ILP32__ ; then 377 cpu="x32" 378 else 379 cpu="x86_64" 380 fi 381elif check_define __sparc__ ; then 382 if check_define __arch64__ ; then 383 cpu="sparc64" 384 else 385 cpu="sparc" 386 fi 387elif check_define _ARCH_PPC ; then 388 if check_define _ARCH_PPC64 ; then 389 if check_define _LITTLE_ENDIAN ; then 390 cpu="ppc64le" 391 else 392 cpu="ppc64" 393 fi 394 else 395 cpu="ppc" 396 fi 397elif check_define __mips__ ; then 398 if check_define __mips64 ; then 399 cpu="mips64" 400 else 401 cpu="mips" 402 fi 403elif check_define __s390__ ; then 404 if check_define __s390x__ ; then 405 cpu="s390x" 406 else 407 cpu="s390" 408 fi 409elif check_define __riscv ; then 410 if check_define _LP64 ; then 411 cpu="riscv64" 412 else 413 cpu="riscv32" 414 fi 415elif check_define __arm__ ; then 416 cpu="arm" 417elif check_define __aarch64__ ; then 418 cpu="aarch64" 419elif check_define __loongarch64 ; then 420 cpu="loongarch64" 421else 422 # Using uname is really broken, but it is just a fallback for architectures 423 # that are going to use TCI anyway 424 cpu=$(uname -m) 425 if test "$host_os" != "bogus"; then 426 echo "WARNING: unrecognized host CPU, proceeding with 'uname -m' output '$cpu'" 427 fi 428fi 429 430# Normalise host CPU name to the values used by Meson cross files and in source 431# directories, and set multilib cflags. The canonicalization isn't really 432# necessary, because the architectures that we check for should not hit the 433# 'uname -m' case, but better safe than sorry in case --cpu= is used. 434# 435# Note that this case should only have supported host CPUs, not guests. 436# Please keep it sorted and synchronized with meson.build's host_arch. 437host_arch= 438linux_arch= 439raw_cpu=$cpu 440case "$cpu" in 441 aarch64) 442 host_arch=aarch64 443 linux_arch=arm64 444 ;; 445 446 armv*b|armv*l|arm) 447 cpu=arm 448 host_arch=arm 449 linux_arch=arm 450 ;; 451 452 i386|i486|i586|i686) 453 cpu="i386" 454 host_arch=i386 455 linux_arch=x86 456 CPU_CFLAGS="-m32" 457 ;; 458 459 loongarch*) 460 cpu=loongarch64 461 host_arch=loongarch64 462 linux_arch=loongarch 463 ;; 464 465 mips64*|mipsisa64*) 466 cpu=mips64 467 host_arch=mips 468 linux_arch=mips 469 ;; 470 mips*) 471 cpu=mips 472 host_arch=mips 473 linux_arch=mips 474 ;; 475 476 ppc) 477 host_arch=ppc 478 linux_arch=powerpc 479 CPU_CFLAGS="-m32" 480 ;; 481 ppc64) 482 host_arch=ppc64 483 linux_arch=powerpc 484 CPU_CFLAGS="-m64 -mbig-endian" 485 ;; 486 ppc64le) 487 cpu=ppc64 488 host_arch=ppc64 489 linux_arch=powerpc 490 CPU_CFLAGS="-m64 -mlittle-endian" 491 ;; 492 493 riscv32 | riscv64) 494 host_arch=riscv 495 linux_arch=riscv 496 ;; 497 498 s390) 499 linux_arch=s390 500 CPU_CFLAGS="-m31" 501 ;; 502 s390x) 503 host_arch=s390x 504 linux_arch=s390 505 CPU_CFLAGS="-m64" 506 ;; 507 508 sparc|sun4[cdmuv]) 509 cpu=sparc 510 CPU_CFLAGS="-m32 -mv8plus -mcpu=ultrasparc" 511 ;; 512 sparc64) 513 host_arch=sparc64 514 CPU_CFLAGS="-m64 -mcpu=ultrasparc" 515 ;; 516 517 x32) 518 cpu="x86_64" 519 host_arch=x86_64 520 linux_arch=x86 521 CPU_CFLAGS="-mx32" 522 ;; 523 x86_64|amd64) 524 cpu="x86_64" 525 host_arch=x86_64 526 linux_arch=x86 527 CPU_CFLAGS="-m64" 528 ;; 529esac 530 531# Now we have our CPU_CFLAGS we can check if we are targeting a 32 or 532# 64 bit host. 533 534check_64bit_host() { 535cat > $TMPC <<EOF 536#if __SIZEOF_POINTER__ != 8 537#error not 64 bit system 538#endif 539int main(void) { return 0; } 540EOF 541 compile_object "$1" 542} 543 544if check_64bit_host "$CPU_CFLAGS"; then 545 host_bits=64 546else 547 host_bits=32 548fi 549 550if test -n "$host_arch" && { 551 ! test -d "$source_path/linux-user/include/host/$host_arch" || 552 ! test -d "$source_path/common-user/host/$host_arch"; }; then 553 error_exit "linux-user/include/host/$host_arch does not exist." \ 554 "This is a bug in the configure script, please report it." 555fi 556if test -n "$linux_arch" && ! test -d "$source_path/linux-headers/asm-$linux_arch"; then 557 error_exit "linux-headers/asm-$linux_arch does not exist." \ 558 "This is a bug in the configure script, please report it." 559fi 560 561check_py_version() { 562 # We require python >= 3.8. 563 # NB: a True python conditional creates a non-zero return code (Failure) 564 "$1" -c 'import sys; sys.exit(sys.version_info < (3,8))' 565} 566 567first_python= 568if test -z "${PYTHON}"; then 569 # A bare 'python' is traditionally python 2.x, but some distros 570 # have it as python 3.x, so check in both places. 571 for binary in python3 python python3.12 python3.11 \ 572 python3.10 python3.9 python3.8; do 573 if has "$binary"; then 574 python=$(command -v "$binary") 575 if check_py_version "$python"; then 576 # This one is good. 577 first_python= 578 break 579 else 580 first_python=$python 581 fi 582 fi 583 done 584else 585 # Same as above, but only check the environment variable. 586 has "${PYTHON}" || error_exit "The PYTHON environment variable does not point to an executable" 587 python=$(command -v "$PYTHON") 588 if check_py_version "$python"; then 589 # This one is good. 590 first_python= 591 else 592 first_python=$first_python 593 fi 594fi 595 596# Check for ancillary tools used in testing 597genisoimage= 598for binary in genisoimage mkisofs 599do 600 if has $binary 601 then 602 genisoimage=$(command -v "$binary") 603 break 604 fi 605done 606 607if test "$host_os" = "windows" ; then 608 EXESUF=".exe" 609fi 610 611meson_option_build_array() { 612 printf '[' 613 (if test "$host_os" = windows; then 614 IFS=\; 615 else 616 IFS=: 617 fi 618 for e in $1; do 619 printf '"""' 620 # backslash escape any '\' and '"' characters 621 printf "%s" "$e" | sed -e 's/\([\"]\)/\\\1/g' 622 printf '""",' 623 done) 624 printf ']\n' 625} 626 627. "$source_path/scripts/meson-buildoptions.sh" 628 629meson_options= 630meson_option_add() { 631 local arg 632 for arg; do 633 meson_options="$meson_options $(quote_sh "$arg")" 634 done 635} 636meson_option_parse() { 637 meson_options="$meson_options $(_meson_option_parse "$@")" 638 if test $? -eq 1; then 639 echo "ERROR: unknown option $1" 640 echo "Try '$0 --help' for more information" 641 exit 1 642 fi 643} 644has_meson_option() { 645 test "${meson_options#*"$1"}" != "$meson_options" 646} 647 648meson_add_machine_file() { 649 if test "$cross_compile" = "yes"; then 650 meson_option_add --cross-file "$1" 651 else 652 meson_option_add --native-file "$1" 653 fi 654} 655 656for opt do 657 optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)') 658 case "$opt" in 659 --help|-h) show_help=yes 660 ;; 661 --version|-V) exec cat "$source_path/VERSION" 662 ;; 663 --cross-prefix=*) 664 ;; 665 --cc=*) 666 ;; 667 --host-cc=*) host_cc="$optarg" 668 ;; 669 --cxx=*) 670 ;; 671 --objcc=*) 672 ;; 673 --rustc=*) 674 ;; 675 --make=*) 676 ;; 677 --install=*) 678 ;; 679 --python=*) python="$optarg" 680 ;; 681 --skip-meson) skip_meson=yes 682 ;; 683 --ninja=*) ninja="$optarg" 684 ;; 685 --extra-cflags=*) 686 ;; 687 --extra-cxxflags=*) 688 ;; 689 --extra-objcflags=*) 690 ;; 691 --extra-ldflags=*) 692 ;; 693 --cross-cc-*) 694 ;; 695 --cross-prefix-*) 696 ;; 697 --enable-docs) docs=enabled 698 ;; 699 --disable-docs) docs=disabled 700 ;; 701 --cpu=*) 702 ;; 703 --target-list=*) target_list="$optarg" 704 if test "$target_list_exclude"; then 705 error_exit "Can't mix --target-list with --target-list-exclude" 706 fi 707 ;; 708 --target-list-exclude=*) target_list_exclude="$optarg" 709 if test "$target_list"; then 710 error_exit "Can't mix --target-list-exclude with --target-list" 711 fi 712 ;; 713 --with-default-devices) meson_option_add -Ddefault_devices=true 714 ;; 715 --without-default-devices) meson_option_add -Ddefault_devices=false 716 ;; 717 --with-devices-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --with-devices-FOO option" 718 ;; 719 --with-devices-*) device_arch=${opt#--with-devices-}; 720 device_arch=${device_arch%%=*} 721 cf=$source_path/configs/devices/$device_arch-softmmu/$optarg.mak 722 if test -f "$cf"; then 723 device_archs="$device_archs $device_arch" 724 eval "devices_${device_arch}=\$optarg" 725 else 726 error_exit "File $cf does not exist" 727 fi 728 ;; 729 --without-default-features) # processed above 730 ;; 731 --static) static="yes" 732 ;; 733 --host=*|--build=*|\ 734 --disable-dependency-tracking|\ 735 --sbindir=*|--sharedstatedir=*|\ 736 --oldincludedir=*|--datarootdir=*|--infodir=*|\ 737 --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*) 738 # These switches are silently ignored, for compatibility with 739 # autoconf-generated configure scripts. This allows QEMU's 740 # configure to be used by RPM and similar macros that set 741 # lots of directory switches by default. 742 ;; 743 --enable-debug) 744 # Enable debugging options that aren't excessively noisy 745 meson_option_parse --enable-debug-tcg "" 746 meson_option_parse --enable-debug-graph-lock "" 747 meson_option_parse --enable-debug-mutex "" 748 meson_option_add -Doptimization=0 749 default_cflags='-O0 -g' 750 ;; 751 --disable-tcg) tcg="disabled" 752 ;; 753 --enable-tcg) tcg="enabled" 754 ;; 755 --disable-system) system="no" 756 ;; 757 --enable-system) system="yes" 758 ;; 759 --disable-user) 760 linux_user="no" ; 761 bsd_user="no" ; 762 ;; 763 --enable-user) ;; 764 --disable-linux-user) linux_user="no" 765 ;; 766 --enable-linux-user) linux_user="yes" 767 ;; 768 --disable-bsd-user) bsd_user="no" 769 ;; 770 --enable-bsd-user) bsd_user="yes" 771 ;; 772 --enable-pie) pie="yes" 773 ;; 774 --disable-pie) pie="no" 775 ;; 776 --enable-cfi) cfi=true 777 ;; 778 --disable-cfi) cfi=false 779 ;; 780 --disable-download) download="disabled"; git_submodules_action=validate; 781 ;; 782 --enable-download) download="enabled"; git_submodules_action=update; 783 ;; 784 --enable-plugins) plugins="yes" 785 ;; 786 --disable-plugins) plugins="no" 787 ;; 788 --enable-containers) use_containers="yes" 789 ;; 790 --disable-containers) use_containers="no" 791 ;; 792 --container-engine=*) container_engine="$optarg" 793 ;; 794 --rust-target-triple=*) rust_target_triple="$optarg" 795 ;; 796 --gdb=*) gdb_bin="$optarg" 797 ;; 798 --enable-rust) rust=enabled 799 ;; 800 --disable-rust) rust=disabled 801 ;; 802 # everything else has the same name in configure and meson 803 --*) meson_option_parse "$opt" "$optarg" 804 ;; 805 # Pass through -Dxxxx options to meson 806 -D*) meson_option_add "$opt" 807 ;; 808 esac 809done 810 811if ! test -e "$source_path/.git" 812then 813 git_submodules_action="validate" 814fi 815 816if ! test -f "$source_path/subprojects/keycodemapdb/README" \ 817 && test "$download" = disabled 818then 819 echo 820 echo "ERROR: missing subprojects" 821 echo 822 if test -e "$source_path/.git"; then 823 echo "--disable-download specified but subprojects were not" 824 echo 'checked out. Please invoke "meson subprojects download"' 825 echo "before configuring QEMU, or remove --disable-download" 826 echo "from the command line." 827 else 828 echo "This is not a GIT checkout but subproject content appears to" 829 echo "be missing. Do not use 'git archive' or GitHub download links" 830 echo "to acquire QEMU source archives. Non-GIT builds are only" 831 echo "supported with source archives linked from:" 832 echo 833 echo " https://www.qemu.org/download/#source" 834 echo 835 echo "Developers working with GIT can use scripts/archive-source.sh" 836 echo "if they need to create valid source archives." 837 fi 838 echo 839 exit 1 840fi 841 842default_target_list="" 843mak_wilds="" 844 845if [ -n "$host_arch" ] && [ -d "$source_path/common-user/host/$host_arch" ]; then 846 if [ "$linux_user" != no ]; then 847 if [ "$host_os" = linux ]; then 848 linux_user=yes 849 elif [ "$linux_user" = yes ]; then 850 error_exit "linux-user not supported on this architecture" 851 fi 852 if [ "$linux_user" = "yes" ]; then 853 mak_wilds="${mak_wilds} $source_path/configs/targets/*-linux-user.mak" 854 fi 855 fi 856 if [ "$bsd_user" != no ]; then 857 if [ "$bsd_user" = "" ]; then 858 test $host_os = freebsd && bsd_user=yes 859 fi 860 if [ "$bsd_user" = yes ] && ! [ -d "$source_path/bsd-user/$host_os" ]; then 861 error_exit "bsd-user not supported on this host OS" 862 fi 863 if [ "$bsd_user" = "yes" ]; then 864 mak_wilds="${mak_wilds} $source_path/configs/targets/*-bsd-user.mak" 865 fi 866 fi 867else 868 if [ "$linux_user" = yes ] || [ "$bsd_user" = yes ]; then 869 error_exit "user mode emulation not supported on this architecture" 870 fi 871fi 872if [ "$system" = "yes" ]; then 873 mak_wilds="${mak_wilds} $source_path/configs/targets/*-softmmu.mak" 874fi 875 876for config in $mak_wilds; do 877 target="$(basename "$config" .mak)" 878 if echo "$target_list_exclude" | grep -vq "$target"; then 879 default_target_list="${default_target_list} $target" 880 fi 881done 882 883if test x"$show_help" = x"yes" ; then 884cat << EOF 885 886Usage: configure [options] 887Options: [defaults in brackets after descriptions] 888 889Standard options: 890 --help print this message 891 --target-list=LIST set target list (default: build all) 892$(echo Available targets: $default_target_list | \ 893 fold -s -w 53 | sed -e 's/^/ /') 894 --target-list-exclude=LIST exclude a set of targets from the default target-list 895 896Advanced options (experts only): 897 -Dmesonoptname=val passthrough option to meson unmodified 898 --cross-prefix=PREFIX use PREFIX for compile tools, PREFIX can be blank [$cross_prefix] 899 --cc=CC use C compiler CC [$cc] 900 --host-cc=CC when cross compiling, use C compiler CC for code run 901 at build time [$host_cc] 902 --cxx=CXX use C++ compiler CXX [$cxx] 903 --objcc=OBJCC use Objective-C compiler OBJCC [$objcc] 904 --rustc=RUSTC use Rust compiler RUSTC [$rustc] 905 --extra-cflags=CFLAGS append extra C compiler flags CFLAGS 906 --extra-cxxflags=CXXFLAGS append extra C++ compiler flags CXXFLAGS 907 --extra-objcflags=OBJCFLAGS append extra Objective C compiler flags OBJCFLAGS 908 --extra-ldflags=LDFLAGS append extra linker flags LDFLAGS 909 --cross-cc-ARCH=CC use compiler when building ARCH guest test cases 910 --cross-cc-cflags-ARCH= use compiler flags when building ARCH guest tests 911 --cross-prefix-ARCH=PREFIX cross compiler prefix when building ARCH guest test cases 912 --python=PYTHON use specified python [$python] 913 --ninja=NINJA use specified ninja [$ninja] 914 --static enable static build [$static] 915 --rust-target-triple=TRIPLE compilation target for Rust code [autodetect] 916 --without-default-features default all --enable-* options to "disabled" 917 --without-default-devices do not include any device that is not needed to 918 start the emulator (only use if you are including 919 desired devices in configs/devices/) 920 --with-devices-ARCH=NAME override default configs/devices 921 --enable-debug enable common debug build options 922 --cpu=CPU Build for host CPU [$cpu] 923 --disable-containers don't use containers for cross-building 924 --container-engine=TYPE which container engine to use [$container_engine] 925 --gdb=GDB-path gdb to use for gdbstub tests [$gdb_bin] 926EOF 927 meson_options_help 928cat << EOF 929 system all system emulation targets 930 user supported user emulation targets 931 linux-user all linux usermode emulation targets 932 bsd-user all BSD usermode emulation targets 933 pie Position Independent Executables 934 935NOTE: The object files are built at the place where configure is launched 936EOF 937exit 0 938fi 939 940# Now that we are sure that the user did not only want to print the --help 941# information, we should double-check that the C compiler really works: 942write_c_skeleton 943if ! compile_object ; then 944 error_exit "C compiler \"$cc\" either does not exist or does not work." 945fi 946 947# Remove old dependency files to make sure that they get properly regenerated 948rm -f ./*/config-devices.mak.d 949 950if test -z "$python" 951then 952 # If first_python is set, there was a binary somewhere even though 953 # it was not suitable. Use it for the error message. 954 if test -n "$first_python"; then 955 error_exit "Cannot use '$first_python', Python >= 3.8 is required." \ 956 "Use --python=/path/to/python to specify a supported Python." 957 else 958 error_exit "Python not found. Use --python=/path/to/python" 959 fi 960fi 961 962if ! check_py_version "$python"; then 963 error_exit "Cannot use '$python', Python >= 3.8 is required." \ 964 "Use --python=/path/to/python to specify a supported Python." \ 965 "Maybe try:" \ 966 " openSUSE Leap 15.3+: zypper install python39" \ 967 " CentOS 8: dnf install python38" 968fi 969 970# Resolve PATH 971python="$(command -v "$python")" 972 973# Create a Python virtual environment using our configured python. 974# The stdout of this script will be the location of a symlink that 975# points to the configured Python. 976# Entry point scripts for pip, meson, and sphinx are generated if those 977# packages are present. 978 979# Defaults assumed for now: 980# - venv is cleared if it exists already; 981# - venv is allowed to use system packages; 982# - all setup can be performed offline; 983# - missing packages may be fetched from PyPI, 984# unless --disable-download is passed. 985# - pip is not installed into the venv when possible, 986# but ensurepip is called as a fallback when necessary. 987 988echo "python determined to be '$python'" 989echo "python version: $($python --version)" 990 991python="$($python -B "${source_path}/python/scripts/mkvenv.py" create pyvenv)" 992if test "$?" -ne 0 ; then 993 error_exit "python venv creation failed" 994fi 995 996# Suppress writing compiled files 997python="$python -B" 998mkvenv="$python ${source_path}/python/scripts/mkvenv.py" 999 1000# Finish preparing the virtual environment using vendored .whl files 1001 1002$mkvenv ensuregroup --dir "${source_path}/python/wheels" \ 1003 ${source_path}/pythondeps.toml meson || exit 1 1004 1005# At this point, we expect Meson to be installed and available. 1006# We expect mkvenv or pip to have created pyvenv/bin/meson for us. 1007# We ignore PATH completely here: we want to use the venv's Meson 1008# *exclusively*. 1009 1010meson="$(cd pyvenv/bin; pwd)/meson" 1011 1012# Conditionally ensure Sphinx is installed. 1013 1014mkvenv_online_flag="" 1015if test "$download" = "enabled" ; then 1016 mkvenv_online_flag=" --online" 1017fi 1018 1019if test "$docs" != "disabled" ; then 1020 if ! $mkvenv ensuregroup \ 1021 $(test "$docs" = "enabled" && echo "$mkvenv_online_flag") \ 1022 ${source_path}/pythondeps.toml docs; 1023 then 1024 if test "$docs" = "enabled" ; then 1025 exit 1 1026 fi 1027 echo "Sphinx not found/usable, disabling docs." 1028 docs=disabled 1029 else 1030 docs=enabled 1031 fi 1032fi 1033 1034# Probe for ninja 1035 1036if test -z "$ninja"; then 1037 for c in ninja ninja-build samu; do 1038 if has $c; then 1039 ninja=$(command -v "$c") 1040 break 1041 fi 1042 done 1043 if test -z "$ninja"; then 1044 error_exit "Cannot find Ninja" 1045 fi 1046fi 1047 1048if test "$host_os" = "bogus"; then 1049 # Now that we know that we're not printing the help and that 1050 # the compiler works (so the results of the check_defines we used 1051 # to identify the OS are reliable), if we didn't recognize the 1052 # host OS we should stop now. 1053 error_exit "Unrecognized host OS (uname -s reports '$(uname -s)')" 1054fi 1055 1056# test for any invalid configuration combinations 1057if test "$host_os" = "windows" && ! has "$dlltool"; then 1058 if test "$plugins" = "yes"; then 1059 error_exit "TCG plugins requires dlltool to build on Windows platforms" 1060 fi 1061 plugins="no" 1062fi 1063if test "$tcg" = "disabled" ; then 1064 if test "$plugins" = "yes"; then 1065 error_exit "Can't enable plugins on non-TCG builds" 1066 fi 1067 plugins="no" 1068fi 1069if test "$static" = "yes" ; then 1070 if test "$plugins" = "yes"; then 1071 error_exit "static and plugins are mutually incompatible" 1072 fi 1073 plugins="no" 1074fi 1075if test "$plugins" != "no" && test $host_bits -eq 64; then 1076 if has_meson_option "-Dtcg_interpreter=true"; then 1077 plugins="no" 1078 else 1079 plugins=yes 1080 fi 1081fi 1082 1083cat > $TMPC << EOF 1084 1085#ifdef __linux__ 1086# define THREAD __thread 1087#else 1088# define THREAD 1089#endif 1090static THREAD int tls_var; 1091int main(void) { return tls_var; } 1092EOF 1093 1094if test "$host_os" = windows || test "$host_os" = haiku; then 1095 if test "$pie" = "yes"; then 1096 error_exit "PIE not available due to missing OS support" 1097 fi 1098 pie=no 1099fi 1100 1101if test "$pie" != "no"; then 1102 if test "$static" = "yes"; then 1103 pie_ldflags=-static-pie 1104 else 1105 pie_ldflags=-pie 1106 fi 1107 if compile_prog "-Werror -fPIE -DPIE" "$pie_ldflags"; then 1108 pie="yes" 1109 elif test "$pie" = "yes"; then 1110 error_exit "-static-pie not available due to missing toolchain support" 1111 else 1112 echo "Disabling PIE due to missing toolchain support" 1113 pie="no" 1114 fi 1115fi 1116 1117########################################## 1118 1119if test -z "${target_list+xxx}" ; then 1120 default_targets=yes 1121 for target in $default_target_list; do 1122 target_list="$target_list $target" 1123 done 1124 target_list="${target_list# }" 1125else 1126 default_targets=no 1127 target_list=$(echo "$target_list" | sed -e 's/,/ /g') 1128 for target in $target_list; do 1129 # Check that we recognised the target name; this allows a more 1130 # friendly error message than if we let it fall through. 1131 case " $default_target_list " in 1132 *" $target "*) 1133 ;; 1134 *) 1135 error_exit "Unknown target name '$target'" 1136 ;; 1137 esac 1138 done 1139fi 1140 1141if test "$tcg" = "auto"; then 1142 if test -z "$target_list"; then 1143 tcg="disabled" 1144 else 1145 tcg="enabled" 1146 fi 1147fi 1148 1149######################################### 1150# gdb test 1151 1152if test -n "$gdb_bin"; then 1153 gdb_version_string=$($gdb_bin --version | head -n 1) 1154 # Extract last field in the version string 1155 gdb_version=${gdb_version_string##* } 1156 if version_ge $gdb_version 9.1; then 1157 gdb_arches=$($python "$source_path/scripts/probe-gdb-support.py" $gdb_bin) 1158 else 1159 gdb_bin="" 1160 fi 1161fi 1162 1163########################################## 1164# big/little endian test 1165cat > $TMPC << EOF 1166#if defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ 1167# error LITTLE 1168#endif 1169int main(void) { return 0; } 1170EOF 1171 1172if ! compile_prog ; then 1173 bigendian="no" 1174else 1175 cat > $TMPC << EOF 1176#if defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ 1177# error BIG 1178#endif 1179int main(void) { return 0; } 1180EOF 1181 1182 if ! compile_prog ; then 1183 bigendian="yes" 1184 else 1185 echo big/little test failed 1186 exit 1 1187 fi 1188fi 1189 1190########################################## 1191# detect rust triple 1192 1193if test "$rust" != disabled && has "$rustc" && $rustc -vV > "${TMPDIR1}/${TMPB}.out"; then 1194 rust_host_triple=$(sed -n 's/^host: //p' "${TMPDIR1}/${TMPB}.out") 1195else 1196 if test "$rust" = enabled; then 1197 error_exit "could not execute rustc binary \"$rustc\"" 1198 fi 1199 rust=disabled 1200fi 1201if test "$rust" != disabled && test -z "$rust_target_triple"; then 1202 # arch and os generally matches between meson and rust 1203 rust_arch=$host_arch 1204 rust_os=$host_os 1205 rust_machine=unknown 1206 rust_osvariant= 1207 1208 # tweak rust_os if needed; also, machine and variant depend on the OS 1209 android=no 1210 case "$host_os" in 1211 darwin) 1212 # e.g. aarch64-apple-darwin 1213 rust_machine=apple 1214 ;; 1215 1216 linux) 1217 # detect android/glibc/musl 1218 if check_define __ANDROID__; then 1219 rust_osvariant=android 1220 android=yes 1221 else 1222 cat > $TMPC << EOF 1223#define _GNU_SOURCE 1224#include <features.h> 1225#ifndef __USE_GNU 1226error using musl 1227#endif 1228EOF 1229 if compile_object; then 1230 rust_osvariant=gnu 1231 else 1232 rust_osvariant=musl 1233 fi 1234 fi 1235 1236 case "$cpu" in 1237 arm) 1238 # e.g. arm-unknown-linux-gnueabi, arm-unknown-linux-gnueabihf 1239 write_c_skeleton 1240 compile_object 1241 if $READELF -A $TMPO | grep Tag_API_VFP_args: > /dev/null; then 1242 rust_osvariant=${rust_osvariant}eabihf 1243 else 1244 rust_osvariant=${rust_osvariant}eabi 1245 fi 1246 ;; 1247 1248 mips64) 1249 # e.g. mips64-unknown-linux-gnuabi64 1250 rust_osvariant=${rust_osvariant}abi64 1251 ;; 1252 esac 1253 ;; 1254 1255 netbsd) 1256 # e.g. arm-unknown-netbsd-eabihf 1257 test "$host_arch" = arm && rust_osvariant=eabihf 1258 ;; 1259 1260 sunos) 1261 rust_machine=pc 1262 rust_os=solaris 1263 ;; 1264 1265 windows) 1266 # e.g. aarch64-pc-windows-gnullvm, x86_64-pc-windows-gnu (MSVC not supported) 1267 rust_machine=pc 1268 if test "$host_arch" = aarch64; then 1269 rust_osvariant=gnullvm 1270 else 1271 rust_osvariant=gnu 1272 fi 1273 ;; 1274 esac 1275 1276 # now tweak the architecture part, possibly based on pre-canonicalization --cpu 1277 case "$host_arch" in 1278 arm) 1279 # preserve ISA version (armv7 etc.) from $raw_cpu if passed via --cpu 1280 rust_arch=$raw_cpu 1281 test "$rust_arch" = arm && test "$rust_os" != linux && rust_arch=armv7 1282 ;; 1283 1284 mips) 1285 # preserve ISA version (mipsisa64r6 etc.) and include endianness 1286 rust_arch=${raw_cpu%el} 1287 test "$bigendian" = no && rust_arch=${rust_arch}el 1288 ;; 1289 1290 riscv32|riscv64) 1291 # e.g. riscv64gc-unknown-linux-gnu, but riscv64-linux-android 1292 test "$android" = no && rust_arch=${rust_arch}gc 1293 ;; 1294 1295 sparc64) 1296 if test "$rust_os" = solaris; then 1297 rust_arch=sparcv9 1298 rust_machine=sun 1299 fi 1300 ;; 1301 1302 x86_64) 1303 # e.g. x86_64-unknown-linux-gnux32 1304 test "$raw_cpu" = x32 && rust_osvariant=${rust_osvariant}x32 1305 ;; 1306 esac 1307 1308 if test "$android" = yes; then 1309 # e.g. aarch64-linux-android 1310 rust_target_triple=$rust_arch-$rust_os-$rust_osvariant 1311 else 1312 rust_target_triple=$rust_arch-$rust_machine-$rust_os${rust_osvariant:+-$rust_osvariant} 1313 fi 1314fi 1315 1316########################################## 1317# functions to probe cross compilers 1318 1319container="no" 1320runc="" 1321if test $use_containers = "yes" && (has "docker" || has "podman"); then 1322 case $($python "$source_path"/tests/docker/docker.py --engine "$container_engine" probe) in 1323 *docker) container=docker ;; 1324 podman) container=podman ;; 1325 no) container=no ;; 1326 esac 1327 if test "$container" != "no"; then 1328 docker_py="$python $source_path/tests/docker/docker.py --engine $container" 1329 runc=$container 1330 fi 1331fi 1332 1333# cross compilers defaults, can be overridden with --cross-cc-ARCH 1334: ${cross_prefix_aarch64="aarch64-linux-gnu-"} 1335: ${cross_prefix_aarch64_be="$cross_prefix_aarch64"} 1336: ${cross_prefix_alpha="alpha-linux-gnu-"} 1337: ${cross_prefix_arm="arm-linux-gnueabihf-"} 1338: ${cross_prefix_armeb="$cross_prefix_arm"} 1339: ${cross_prefix_hexagon="hexagon-unknown-linux-musl-"} 1340: ${cross_prefix_loongarch64="loongarch64-unknown-linux-gnu-"} 1341: ${cross_prefix_hppa="hppa-linux-gnu-"} 1342: ${cross_prefix_i386="i686-linux-gnu-"} 1343: ${cross_prefix_m68k="m68k-linux-gnu-"} 1344: ${cross_prefix_microblaze="microblaze-linux-musl-"} 1345: ${cross_prefix_mips64el="mips64el-linux-gnuabi64-"} 1346: ${cross_prefix_mips64="mips64-linux-gnuabi64-"} 1347: ${cross_prefix_mipsel="mipsel-linux-gnu-"} 1348: ${cross_prefix_mips="mips-linux-gnu-"} 1349: ${cross_prefix_ppc="powerpc-linux-gnu-"} 1350: ${cross_prefix_ppc64="powerpc64-linux-gnu-"} 1351: ${cross_prefix_ppc64le="$cross_prefix_ppc64"} 1352: ${cross_prefix_riscv64="riscv64-linux-gnu-"} 1353: ${cross_prefix_s390x="s390x-linux-gnu-"} 1354: ${cross_prefix_sh4="sh4-linux-gnu-"} 1355: ${cross_prefix_sparc64="sparc64-linux-gnu-"} 1356: ${cross_prefix_sparc="$cross_prefix_sparc64"} 1357: ${cross_prefix_tricore="tricore-"} 1358: ${cross_prefix_x86_64="x86_64-linux-gnu-"} 1359 1360: ${cross_cc_aarch64_be="$cross_cc_aarch64"} 1361: ${cross_cc_cflags_aarch64_be="-mbig-endian"} 1362: ${cross_cc_armeb="$cross_cc_arm"} 1363: ${cross_cc_cflags_armeb="-mbig-endian"} 1364: ${cross_cc_hexagon="hexagon-unknown-linux-musl-clang"} 1365: ${cross_cc_cflags_hexagon="-mv73 -O2 -static"} 1366: ${cross_cc_cflags_i386="-m32"} 1367: ${cross_cc_cflags_ppc="-m32 -mbig-endian"} 1368: ${cross_cc_cflags_ppc64="-m64 -mbig-endian"} 1369: ${cross_cc_ppc64le="$cross_cc_ppc64"} 1370: ${cross_cc_cflags_ppc64le="-m64 -mlittle-endian"} 1371: ${cross_cc_cflags_sparc64="-m64 -mcpu=ultrasparc"} 1372: ${cross_cc_sparc="$cross_cc_sparc64"} 1373: ${cross_cc_cflags_sparc="-m32 -mcpu=supersparc"} 1374: ${cross_cc_cflags_x86_64="-m64 -mcx16"} 1375 1376compute_target_variable() { 1377 eval "$2=" 1378 if eval test -n "\"\${cross_prefix_$1}\""; then 1379 if eval has "\"\${cross_prefix_$1}\$3\""; then 1380 eval "$2=\"\${cross_prefix_$1}\$3\"" 1381 fi 1382 fi 1383} 1384 1385have_target() { 1386 for i; do 1387 case " $target_list " in 1388 *" $i "*) return 0;; 1389 *) ;; 1390 esac 1391 done 1392 return 1 1393} 1394 1395# probe_target_compiler TARGET 1396# 1397# Look for a compiler for the given target, either native or cross. 1398# Set variables target_* if a compiler is found, and container_cross_* 1399# if a Docker-based cross-compiler image is known for the target. 1400# Set got_cross_cc to yes/no depending on whether a non-container-based 1401# compiler was found. 1402# 1403# If TARGET is a user-mode emulation target, also set build_static to 1404# "y" if static linking is possible. 1405# 1406probe_target_compiler() { 1407 # reset all output variables 1408 got_cross_cc=no 1409 container_image= 1410 container_hosts= 1411 container_cross_prefix= 1412 container_cross_cc= 1413 container_cross_ar= 1414 container_cross_as= 1415 container_cross_ld= 1416 container_cross_nm= 1417 container_cross_objcopy= 1418 container_cross_ranlib= 1419 container_cross_strip= 1420 1421 target_arch=${1%%-*} 1422 case $target_arch in 1423 aarch64) container_hosts="x86_64 aarch64" ;; 1424 aarch64_be) container_hosts="x86_64 aarch64" ;; 1425 alpha) container_hosts=x86_64 ;; 1426 arm) container_hosts="x86_64 aarch64" ;; 1427 hexagon) container_hosts=x86_64 ;; 1428 hppa) container_hosts=x86_64 ;; 1429 i386) container_hosts=x86_64 ;; 1430 loongarch64) container_hosts=x86_64 ;; 1431 m68k) container_hosts=x86_64 ;; 1432 microblaze) container_hosts=x86_64 ;; 1433 mips64el) container_hosts=x86_64 ;; 1434 mips64) container_hosts=x86_64 ;; 1435 mipsel) container_hosts=x86_64 ;; 1436 mips) container_hosts=x86_64 ;; 1437 ppc) container_hosts=x86_64 ;; 1438 ppc64|ppc64le) container_hosts=x86_64 ;; 1439 riscv64) container_hosts=x86_64 ;; 1440 s390x) container_hosts=x86_64 ;; 1441 sh4) container_hosts=x86_64 ;; 1442 sparc64) container_hosts=x86_64 ;; 1443 tricore) container_hosts=x86_64 ;; 1444 x86_64) container_hosts="aarch64 ppc64le x86_64" ;; 1445 xtensa*) container_hosts=x86_64 ;; 1446 esac 1447 1448 for host in $container_hosts; do 1449 test "$container" != no || continue 1450 test "$host" = "$cpu" || continue 1451 case $target_arch in 1452 # debian-all-test-cross architectures 1453 1454 aarch64_be) 1455 container_image=debian-all-test-cross 1456 container_cross_prefix=aarch64-linux-gnu- 1457 ;; 1458 hppa|m68k|mips|riscv64|sparc64) 1459 container_image=debian-all-test-cross 1460 ;; 1461 mips64) 1462 container_image=debian-all-test-cross 1463 container_cross_prefix=mips64-linux-gnuabi64- 1464 ;; 1465 ppc|ppc64|ppc64le) 1466 container_image=debian-all-test-cross 1467 container_cross_prefix=powerpc${target_arch#ppc}-linux-gnu- 1468 ;; 1469 1470 # debian-legacy-test-cross architectures (need Debian 11) 1471 # - libc6.1-dev-alpha-cross: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1054412 1472 # - sh4-linux-user: binaries don't run with bookworm compiler 1473 1474 alpha|sh4) 1475 container_image=debian-legacy-test-cross 1476 ;; 1477 1478 # architectures with individual containers 1479 1480 aarch64) 1481 # We don't have any bigendian build tools so we only use this for AArch64 1482 container_image=debian-arm64-cross 1483 ;; 1484 arm) 1485 # We don't have any bigendian build tools so we only use this for ARM 1486 container_image=debian-armhf-cross 1487 container_cross_prefix=arm-linux-gnueabihf- 1488 ;; 1489 hexagon) 1490 container_cross_prefix=hexagon-unknown-linux-musl- 1491 container_cross_cc=${container_cross_prefix}clang 1492 ;; 1493 i386) 1494 container_image=debian-i686-cross 1495 container_cross_prefix=i686-linux-gnu- 1496 ;; 1497 loongarch64) 1498 container_image=debian-loongarch-cross 1499 container_cross_prefix=loongarch64-unknown-linux-gnu- 1500 ;; 1501 microblaze) 1502 container_cross_prefix=microblaze-linux-musl- 1503 ;; 1504 mips64el) 1505 container_image=debian-all-test-cross 1506 container_cross_prefix=mips64el-linux-gnuabi64- 1507 ;; 1508 tricore) 1509 container_image=debian-tricore-cross 1510 container_cross_prefix=tricore- 1511 ;; 1512 x86_64) 1513 container_image=debian-amd64-cross 1514 ;; 1515 xtensa*) 1516 container_image=debian-xtensa-cross 1517 1518 # default to the dc232b cpu 1519 container_cross_prefix=/opt/2020.07/xtensa-dc232b-elf/bin/xtensa-dc232b-elf- 1520 ;; 1521 esac 1522 # Debian and GNU architecture names usually match 1523 : ${container_image:=debian-$target_arch-cross} 1524 : ${container_cross_prefix:=$target_arch-linux-gnu-} 1525 : ${container_cross_cc:=${container_cross_prefix}gcc} 1526 : ${container_cross_ar:=${container_cross_prefix}ar} 1527 : ${container_cross_as:=${container_cross_prefix}as} 1528 : ${container_cross_ld:=${container_cross_prefix}ld} 1529 : ${container_cross_nm:=${container_cross_prefix}nm} 1530 : ${container_cross_objcopy:=${container_cross_prefix}objcopy} 1531 : ${container_cross_ranlib:=${container_cross_prefix}ranlib} 1532 : ${container_cross_strip:=${container_cross_prefix}strip} 1533 done 1534 1535 try=cross 1536 # For softmmu/roms also look for a bi-endian or multilib-enabled host compiler 1537 if [ "${1%softmmu}" != "$1" ] || test "$target_arch" = "$cpu"; then 1538 case "$target_arch:$cpu" in 1539 aarch64_be:aarch64 | \ 1540 armeb:arm | \ 1541 i386:x86_64 | \ 1542 mips*:mips64 | \ 1543 ppc*:ppc64 | \ 1544 sparc:sparc64 | \ 1545 "$cpu:$cpu") 1546 try='native cross' ;; 1547 esac 1548 fi 1549 eval "target_cflags=\${cross_cc_cflags_$target_arch}" 1550 for thistry in $try; do 1551 case $thistry in 1552 native) 1553 target_cc=$cc 1554 target_ccas=$ccas 1555 target_ar=$ar 1556 target_as=$as 1557 target_ld=$ld 1558 target_nm=$nm 1559 target_objcopy=$objcopy 1560 target_ranlib=$ranlib 1561 target_strip=$strip 1562 ;; 1563 cross) 1564 target_cc= 1565 if eval test -n "\"\${cross_cc_$target_arch}\""; then 1566 if eval has "\"\${cross_cc_$target_arch}\""; then 1567 eval "target_cc=\"\${cross_cc_$target_arch}\"" 1568 fi 1569 else 1570 compute_target_variable $target_arch target_cc gcc 1571 fi 1572 target_ccas=$target_cc 1573 compute_target_variable $target_arch target_ar ar 1574 compute_target_variable $target_arch target_as as 1575 compute_target_variable $target_arch target_ld ld 1576 compute_target_variable $target_arch target_nm nm 1577 compute_target_variable $target_arch target_objcopy objcopy 1578 compute_target_variable $target_arch target_ranlib ranlib 1579 compute_target_variable $target_arch target_strip strip 1580 ;; 1581 esac 1582 1583 if test -n "$target_cc"; then 1584 case $target_arch in 1585 i386|x86_64) 1586 if $target_cc --version | grep -qi "clang"; then 1587 continue 1588 fi 1589 ;; 1590 esac 1591 elif test -n "$target_as" && test -n "$target_ld"; then 1592 # Special handling for assembler only targets 1593 case $target in 1594 tricore-softmmu) 1595 build_static= 1596 got_cross_cc=yes 1597 break 1598 ;; 1599 *) 1600 continue 1601 ;; 1602 esac 1603 else 1604 continue 1605 fi 1606 1607 write_c_skeleton 1608 case $1 in 1609 *-softmmu) 1610 if do_compiler "$target_cc" $target_cflags -o $TMPO -c $TMPC && 1611 do_compiler "$target_cc" $target_cflags -r -nostdlib -o "${TMPDIR1}/${TMPB}2.o" "$TMPO" -lgcc; then 1612 got_cross_cc=yes 1613 break 1614 fi 1615 ;; 1616 *) 1617 if do_compiler "$target_cc" $target_cflags -o $TMPE $TMPC -static ; then 1618 build_static=y 1619 got_cross_cc=yes 1620 break 1621 fi 1622 if do_compiler "$target_cc" $target_cflags -o $TMPE $TMPC ; then 1623 build_static= 1624 got_cross_cc=yes 1625 break 1626 fi 1627 ;; 1628 esac 1629 done 1630 if test $got_cross_cc != yes; then 1631 build_static= 1632 target_cc= 1633 target_ccas= 1634 target_ar= 1635 target_as= 1636 target_ld= 1637 target_nm= 1638 target_objcopy= 1639 target_ranlib= 1640 target_strip= 1641 fi 1642 test -n "$target_cc" 1643} 1644 1645write_target_makefile() { 1646 echo "EXTRA_CFLAGS=$target_cflags" 1647 if test -z "$target_cc" && test -z "$target_as"; then 1648 test -z "$container_image" && error_exit "Internal error: could not find cross compiler for $1?" 1649 echo "$1: docker-image-$container_image" >> Makefile.prereqs 1650 if test -n "$container_cross_cc"; then 1651 echo "CC=$docker_py cc --cc $container_cross_cc -i qemu/$container_image -s $source_path --" 1652 echo "CCAS=$docker_py cc --cc $container_cross_cc -i qemu/$container_image -s $source_path --" 1653 fi 1654 echo "AR=$docker_py cc --cc $container_cross_ar -i qemu/$container_image -s $source_path --" 1655 echo "AS=$docker_py cc --cc $container_cross_as -i qemu/$container_image -s $source_path --" 1656 echo "LD=$docker_py cc --cc $container_cross_ld -i qemu/$container_image -s $source_path --" 1657 echo "NM=$docker_py cc --cc $container_cross_nm -i qemu/$container_image -s $source_path --" 1658 echo "OBJCOPY=$docker_py cc --cc $container_cross_objcopy -i qemu/$container_image -s $source_path --" 1659 echo "RANLIB=$docker_py cc --cc $container_cross_ranlib -i qemu/$container_image -s $source_path --" 1660 echo "STRIP=$docker_py cc --cc $container_cross_strip -i qemu/$container_image -s $source_path --" 1661 else 1662 if test -n "$target_cc"; then 1663 echo "CC=$target_cc" 1664 echo "CCAS=$target_ccas" 1665 fi 1666 if test -n "$target_ar"; then 1667 echo "AR=$target_ar" 1668 fi 1669 if test -n "$target_as"; then 1670 echo "AS=$target_as" 1671 fi 1672 if test -n "$target_ld"; then 1673 echo "LD=$target_ld" 1674 fi 1675 if test -n "$target_nm"; then 1676 echo "NM=$target_nm" 1677 fi 1678 if test -n "$target_objcopy"; then 1679 echo "OBJCOPY=$target_objcopy" 1680 fi 1681 if test -n "$target_ranlib"; then 1682 echo "RANLIB=$target_ranlib" 1683 fi 1684 if test -n "$target_strip"; then 1685 echo "STRIP=$target_strip" 1686 fi 1687 fi 1688} 1689 1690####################################### 1691# cross-compiled firmware targets 1692 1693# Set up build tree symlinks that point back into the source tree 1694# (these can be both files and directories). 1695# Caution: avoid adding files or directories here using wildcards. This 1696# will result in problems later if a new file matching the wildcard is 1697# added to the source tree -- nothing will cause configure to be rerun 1698# so the build tree will be missing the link back to the new file, and 1699# tests might fail. Prefer to keep the relevant files in their own 1700# directory and symlink the directory instead. 1701LINKS="Makefile" 1702LINKS="$LINKS docs/config" 1703LINKS="$LINKS pc-bios/optionrom/Makefile" 1704LINKS="$LINKS pc-bios/s390-ccw/Makefile" 1705LINKS="$LINKS pc-bios/vof/Makefile" 1706LINKS="$LINKS .gdbinit scripts" # scripts needed by relative path in .gdbinit 1707LINKS="$LINKS tests/avocado tests/data" 1708LINKS="$LINKS tests/qemu-iotests/check tests/qemu-iotests/Makefile" 1709LINKS="$LINKS python" 1710for f in $LINKS ; do 1711 if [ -e "$source_path/$f" ]; then 1712 symlink "$source_path/$f" "$f" 1713 fi 1714done 1715 1716# use included Linux headers for KVM architectures 1717if test "$host_os" = "linux" && test -n "$linux_arch"; then 1718 symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm 1719fi 1720 1721echo "# Automatically generated by configure - do not modify" > Makefile.prereqs 1722 1723# Mac OS X ships with a broken assembler 1724if have_target i386-softmmu x86_64-softmmu && \ 1725 test "$host_os" != "darwin" && test "$host_os" != "sunos" && \ 1726 test "$host_os" != "haiku" && \ 1727 probe_target_compiler i386-softmmu; then 1728 subdirs="$subdirs pc-bios/optionrom" 1729 config_mak=pc-bios/optionrom/config.mak 1730 echo "# Automatically generated by configure - do not modify" > $config_mak 1731 echo "TOPSRC_DIR=$source_path" >> $config_mak 1732 write_target_makefile >> $config_mak 1733fi 1734 1735if have_target ppc-softmmu ppc64-softmmu && \ 1736 probe_target_compiler ppc-softmmu; then 1737 subdirs="$subdirs pc-bios/vof" 1738 config_mak=pc-bios/vof/config.mak 1739 echo "# Automatically generated by configure - do not modify" > $config_mak 1740 echo "SRC_DIR=$source_path/pc-bios/vof" >> $config_mak 1741 write_target_makefile >> $config_mak 1742fi 1743 1744# Only build s390-ccw bios if the compiler has -march=z900 or -march=z10 1745# (which is the lowest architecture level that Clang supports) 1746if have_target s390x-softmmu && probe_target_compiler s390x-softmmu && \ 1747 GIT=git "$source_path/scripts/git-submodule.sh" "$git_submodules_action" roms/SLOF >> config.log 2>&1; then 1748 write_c_skeleton 1749 do_compiler "$target_cc" $target_cc_cflags -march=z900 -o $TMPO -c $TMPC 1750 has_z900=$? 1751 if [ $has_z900 = 0 ] || do_compiler "$target_cc" $target_cc_cflags -march=z10 -msoft-float -Werror -o $TMPO -c $TMPC; then 1752 if [ $has_z900 != 0 ]; then 1753 echo "WARNING: Your compiler does not support the z900!" 1754 echo " The s390-ccw bios will only work with guest CPUs >= z10." 1755 fi 1756 subdirs="$subdirs pc-bios/s390-ccw" 1757 config_mak=pc-bios/s390-ccw/config-host.mak 1758 echo "# Automatically generated by configure - do not modify" > $config_mak 1759 echo "SRC_PATH=$source_path/pc-bios/s390-ccw" >> $config_mak 1760 echo "GIT_SUBMODULES_ACTION=$git_submodules_action" >> $config_mak 1761 write_target_makefile >> $config_mak 1762 fi 1763fi 1764 1765####################################### 1766# generate config-host.mak 1767 1768config_host_mak="config-host.mak" 1769 1770echo "# Automatically generated by configure - do not modify" > $config_host_mak 1771echo >> $config_host_mak 1772 1773echo all: >> $config_host_mak 1774 1775echo "SRC_PATH=$source_path" >> $config_host_mak 1776echo "TARGET_DIRS=$target_list" >> $config_host_mak 1777echo "GDB=$gdb_bin" >> $config_host_mak 1778if test "$container" != no; then 1779 echo "RUNC=$runc" >> $config_host_mak 1780fi 1781echo "SUBDIRS=$subdirs" >> $config_host_mak 1782if test "$rust" != disabled; then 1783 echo "RUST_TARGET_TRIPLE=$rust_target_triple" >> $config_host_mak 1784fi 1785echo "PYTHON=$python" >> $config_host_mak 1786echo "MKVENV_ENSUREGROUP=$mkvenv ensuregroup $mkvenv_online_flag" >> $config_host_mak 1787echo "GENISOIMAGE=$genisoimage" >> $config_host_mak 1788echo "MESON=$meson" >> $config_host_mak 1789echo "NINJA=$ninja" >> $config_host_mak 1790echo "EXESUF=$EXESUF" >> $config_host_mak 1791if test "$default_targets" = "yes"; then 1792 echo "CONFIG_DEFAULT_TARGETS=y" >> $config_host_mak 1793fi 1794 1795# tests/tcg configuration 1796mkdir -p tests/tcg 1797echo "# Automatically generated by configure - do not modify" > tests/tcg/$config_host_mak 1798echo "SRC_PATH=$source_path" >> tests/tcg/$config_host_mak 1799if test "$plugins" = "yes" ; then 1800 echo "CONFIG_PLUGIN=y" >> tests/tcg/$config_host_mak 1801fi 1802 1803tcg_tests_targets= 1804for target in $target_list; do 1805 arch=${target%%-*} 1806 1807 case $target in 1808 xtensa*-linux-user) 1809 # the toolchain is not complete with headers, only build system tests 1810 continue 1811 ;; 1812 *-softmmu) 1813 test -f "$source_path/tests/tcg/$arch/Makefile.softmmu-target" || continue 1814 qemu="qemu-system-$arch" 1815 ;; 1816 *-linux-user|*-bsd-user) 1817 qemu="qemu-$arch" 1818 ;; 1819 esac 1820 1821 if probe_target_compiler $target || test -n "$container_image"; then 1822 test -n "$container_image" && build_static=y 1823 mkdir -p "tests/tcg/$target" 1824 config_target_mak=tests/tcg/$target/config-target.mak 1825 ln -sf "$source_path/tests/tcg/Makefile.target" "tests/tcg/$target/Makefile" 1826 echo "# Automatically generated by configure - do not modify" > "$config_target_mak" 1827 echo "TARGET_NAME=$arch" >> "$config_target_mak" 1828 echo "TARGET=$target" >> "$config_target_mak" 1829 write_target_makefile "build-tcg-tests-$target" >> "$config_target_mak" 1830 echo "BUILD_STATIC=$build_static" >> "$config_target_mak" 1831 echo "QEMU=$PWD/$qemu" >> "$config_target_mak" 1832 1833 # will GDB work with these binaries? 1834 if test "${gdb_arches#*$arch}" != "$gdb_arches"; then 1835 echo "GDB=$gdb_bin" >> $config_target_mak 1836 fi 1837 1838 if test "${gdb_arches#*aarch64}" != "$gdb_arches" && version_ge $gdb_version 15.1; then 1839 echo "GDB_HAS_MTE=y" >> $config_target_mak 1840 fi 1841 1842 if test "${gdb_arches#*aarch64}" != "$gdb_arches" && version_ge $gdb_version 16.0; then 1843 # GDB has to support MTE in baremetal to allow debugging MTE in QEMU system mode 1844 echo "GDB_SUPPORTS_MTE_IN_BAREMETAL=y" >> $config_target_mak 1845 fi 1846 1847 echo "run-tcg-tests-$target: $qemu\$(EXESUF)" >> Makefile.prereqs 1848 tcg_tests_targets="$tcg_tests_targets $target" 1849 fi 1850done 1851 1852if test "$tcg" = "enabled"; then 1853 echo "TCG_TESTS_TARGETS=$tcg_tests_targets" >> $config_host_mak 1854fi 1855 1856if test "$skip_meson" = no; then 1857 cross="config-meson.cross.new" 1858 meson_quote() { 1859 test $# = 0 && return 1860 echo "'$(echo $* | sed "s/ /','/g")'" 1861 } 1862 1863 echo "# Automatically generated by configure - do not modify" > $cross 1864 echo "[properties]" >> $cross 1865 1866 # unroll any custom device configs 1867 for a in $device_archs; do 1868 eval "c=\$devices_${a}" 1869 echo "${a}-softmmu = '$c'" >> $cross 1870 done 1871 1872 echo "[built-in options]" >> $cross 1873 echo "c_args = [$(meson_quote $CFLAGS $EXTRA_CFLAGS)]" >> $cross 1874 echo "cpp_args = [$(meson_quote $CXXFLAGS $EXTRA_CXXFLAGS)]" >> $cross 1875 test -n "$objcc" && echo "objc_args = [$(meson_quote $OBJCFLAGS $EXTRA_OBJCFLAGS)]" >> $cross 1876 echo "c_link_args = [$(meson_quote $CFLAGS $LDFLAGS $EXTRA_CFLAGS $EXTRA_LDFLAGS)]" >> $cross 1877 echo "cpp_link_args = [$(meson_quote $CXXFLAGS $LDFLAGS $EXTRA_CXXFLAGS $EXTRA_LDFLAGS)]" >> $cross 1878 1879 # Only enable by default for git builds and on select OSes 1880 echo "# environment defaults, can still be overridden on " >> $cross 1881 echo "# the command line" >> $cross 1882 if test -e "$source_path/.git" && \ 1883 { test "$host_os" = linux || test "$host_os" = "windows"; }; then 1884 echo 'werror = true' >> $cross 1885 fi 1886 echo "[project options]" >> $cross 1887 if test "$SMBD" != ''; then 1888 echo "smbd = $(meson_quote "$SMBD")" >> $cross 1889 fi 1890 if test "${QEMU_GA_MANUFACTURER}" != ''; then 1891 echo "qemu_ga_manufacturer = $(meson_quote "${QEMU_GA_MANUFACTURER}")" >> $cross 1892 fi 1893 if test "${QEMU_GA_DISTRO}" != ''; then 1894 echo "qemu_ga_distro = $(meson_quote "${QEMU_GA_DISTRO}")" >> $cross 1895 fi 1896 if test "${QEMU_GA_VERSION}" != ''; then 1897 echo "qemu_ga_version = $(meson_quote "${QEMU_GA_VERSION}")" >> $cross 1898 fi 1899 1900 echo >> $cross 1901 echo "[binaries]" >> $cross 1902 echo "c = [$(meson_quote $cc $CPU_CFLAGS)]" >> $cross 1903 test -n "$cxx" && echo "cpp = [$(meson_quote $cxx $CPU_CFLAGS)]" >> $cross 1904 test -n "$objcc" && echo "objc = [$(meson_quote $objcc $CPU_CFLAGS)]" >> $cross 1905 if test "$rust" != disabled; then 1906 if test "$rust_host_triple" != "$rust_target_triple"; then 1907 echo "rust = [$(meson_quote $rustc --target "$rust_target_triple")]" >> $cross 1908 else 1909 echo "rust = [$(meson_quote $rustc)]" >> $cross 1910 fi 1911 fi 1912 echo "ar = [$(meson_quote $ar)]" >> $cross 1913 echo "dlltool = [$(meson_quote $dlltool)]" >> $cross 1914 echo "nm = [$(meson_quote $nm)]" >> $cross 1915 echo "pkgconfig = [$(meson_quote $pkg_config)]" >> $cross 1916 echo "pkg-config = [$(meson_quote $pkg_config)]" >> $cross 1917 echo "ranlib = [$(meson_quote $ranlib)]" >> $cross 1918 echo "readelf = [$(meson_quote $readelf)]" >> $cross 1919 if has $sdl2_config; then 1920 echo "sdl2-config = [$(meson_quote $sdl2_config)]" >> $cross 1921 fi 1922 echo "strip = [$(meson_quote $strip)]" >> $cross 1923 echo "widl = [$(meson_quote $widl)]" >> $cross 1924 echo "windres = [$(meson_quote $windres)]" >> $cross 1925 echo "windmc = [$(meson_quote $windmc)]" >> $cross 1926 if test "$cross_compile" = "yes"; then 1927 echo "[host_machine]" >> $cross 1928 echo "system = '$host_os'" >> $cross 1929 case "$cpu" in 1930 i386) 1931 echo "cpu_family = 'x86'" >> $cross 1932 ;; 1933 *) 1934 echo "cpu_family = '$cpu'" >> $cross 1935 ;; 1936 esac 1937 echo "cpu = '$cpu'" >> $cross 1938 if test "$bigendian" = "yes" ; then 1939 echo "endian = 'big'" >> $cross 1940 else 1941 echo "endian = 'little'" >> $cross 1942 fi 1943 1944 native="config-meson.native.new" 1945 echo "# Automatically generated by configure - do not modify" > $native 1946 echo "[binaries]" >> $native 1947 echo "c = [$(meson_quote $host_cc)]" >> $native 1948 if test "$rust" != disabled; then 1949 echo "rust = [$(meson_quote $rustc)]" >> $cross 1950 fi 1951 mv $native config-meson.native 1952 meson_option_add --native-file 1953 meson_option_add config-meson.native 1954 fi 1955 mv $cross config-meson.cross 1956 meson_add_machine_file config-meson.cross 1957 if test -f "$source_path/configs/meson/$host_os.txt"; then 1958 meson_add_machine_file $source_path/configs/meson/$host_os.txt 1959 fi 1960 1961 rm -rf meson-private meson-info meson-logs 1962 1963 test "$download" = "disabled" && meson_option_add "--wrap-mode=nodownload" 1964 test "$default_feature" = no && meson_option_add -Dauto_features=disabled 1965 test "$static" = yes && meson_option_add -Dprefer_static=true 1966 test "$pie" = no && meson_option_add -Db_pie=false 1967 1968 # QEMU options 1969 test "$rust" != "disabled" && meson_option_add "-Drust=$rust" 1970 test "$cfi" != false && meson_option_add "-Dcfi=$cfi" "-Db_lto=$cfi" 1971 test "$docs" != auto && meson_option_add "-Ddocs=$docs" 1972 test -n "${LIB_FUZZING_ENGINE+xxx}" && meson_option_add "-Dfuzzing_engine=$LIB_FUZZING_ENGINE" 1973 test "$plugins" = yes && meson_option_add "-Dplugins=true" 1974 test "$tcg" != enabled && meson_option_add "-Dtcg=$tcg" 1975 run_meson() { 1976 NINJA=$ninja $meson setup "$@" "$PWD" "$source_path" 1977 } 1978 eval run_meson $meson_options 1979 if test "$?" -ne 0 ; then 1980 error_exit "meson setup failed" 1981 fi 1982 echo "$meson" > build.ninja.stamp 1983else 1984 if test -f meson-private/cmd_line.txt; then 1985 # Adjust old command line options that were removed 1986 # sed -i is not portable 1987 perl -i -ne ' 1988 /^sphinx_build/ && next; 1989 print;' meson-private/cmd_line.txt 1990 fi 1991fi 1992 1993# Save the configure command line for later reuse. 1994cat <<EOD >config.status 1995#!/bin/sh 1996# Generated by configure. 1997# Run this file to recreate the current configuration. 1998# Compiler output produced by configure, useful for debugging 1999# configure, is in config.log if it exists. 2000EOD 2001 2002preserve_env() { 2003 envname=$1 2004 2005 eval envval=\$$envname 2006 2007 if test -n "$envval" 2008 then 2009 echo "$envname='$envval'" >> config.status 2010 echo "export $envname" >> config.status 2011 else 2012 echo "unset $envname" >> config.status 2013 fi 2014} 2015 2016# Preserve various env variables that influence what 2017# features/build target configure will detect 2018preserve_env AR 2019preserve_env AS 2020preserve_env CC 2021preserve_env CFLAGS 2022preserve_env CXX 2023preserve_env CXXFLAGS 2024preserve_env DLLTOOL 2025preserve_env LD 2026preserve_env LDFLAGS 2027preserve_env LD_LIBRARY_PATH 2028preserve_env NM 2029preserve_env OBJCFLAGS 2030preserve_env OBJCOPY 2031preserve_env PATH 2032preserve_env PKG_CONFIG 2033preserve_env PKG_CONFIG_LIBDIR 2034preserve_env PKG_CONFIG_PATH 2035preserve_env PYTHON 2036preserve_env QEMU_GA_MANUFACTURER 2037preserve_env QEMU_GA_DISTRO 2038preserve_env QEMU_GA_VERSION 2039preserve_env SDL2_CONFIG 2040preserve_env SMBD 2041preserve_env STRIP 2042preserve_env WIDL 2043preserve_env WINDRES 2044preserve_env WINDMC 2045 2046printf "exec" >>config.status 2047for i in "$0" "$@"; do 2048 test "$i" = --skip-meson || printf " %s" "$(quote_sh "$i")" >>config.status 2049done 2050echo ' "$@"' >>config.status 2051chmod +x config.status 2052 2053rm -r "$TMPDIR1" 2054 2055if test "$rust" != disabled; then 2056 echo 2057 echo 'INFO: Rust bindings generation with `bindgen` might fail in some cases where' 2058 echo 'the detected `libclang` does not match the expected `clang` version/target. In' 2059 echo 'this case you must pass the path to `clang` and `libclang` to your build' 2060 echo 'command invocation using the environment variables CLANG_PATH and LIBCLANG_PATH' 2061fi 2062