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