1#!/bin/sh 2# 3# qemu configure script (c) 2003 Fabrice Bellard 4# 5 6# Unset some variables known to interfere with behavior of common tools, 7# just as autoconf does. 8CLICOLOR_FORCE= GREP_OPTIONS= 9unset CLICOLOR_FORCE GREP_OPTIONS 10 11# Don't allow CCACHE, if present, to use cached results of compile tests! 12export CCACHE_RECACHE=yes 13 14# make source path absolute 15source_path=$(cd "$(dirname -- "$0")"; pwd) 16 17if test "$PWD" = "$source_path" 18then 19 echo "Using './build' as the directory for build output" 20 21 MARKER=build/auto-created-by-configure 22 23 if test -e build 24 then 25 if test -f $MARKER 26 then 27 rm -rf build 28 else 29 echo "ERROR: ./build dir already exists and was not previously created by configure" 30 exit 1 31 fi 32 fi 33 34 if ! mkdir build || ! touch $MARKER 35 then 36 echo "ERROR: Could not create ./build directory. Check the permissions on" 37 echo "your source directory, or try doing an out-of-tree build." 38 exit 1 39 fi 40 41 cat > GNUmakefile <<'EOF' 42# This file is auto-generated by configure to support in-source tree 43# 'make' command invocation 44 45ifeq ($(MAKECMDGOALS),) 46recurse: all 47endif 48 49.NOTPARALLEL: % 50%: force 51 @echo 'changing dir to build for $(MAKE) "$(MAKECMDGOALS)"...' 52 @$(MAKE) -C build -f Makefile $(MAKECMDGOALS) 53 @if test "$(MAKECMDGOALS)" = "distclean" && \ 54 test -e build/auto-created-by-configure ; \ 55 then \ 56 rm -rf build GNUmakefile ; \ 57 fi 58force: ; 59.PHONY: force 60GNUmakefile: ; 61 62EOF 63 cd build 64 exec "$source_path/configure" "$@" 65fi 66 67# Temporary directory used for files created while 68# configure runs. Since it is in the build directory 69# we can safely blow away any previous version of it 70# (and we need not jump through hoops to try to delete 71# it when configure exits.) 72TMPDIR1="config-temp" 73rm -rf "${TMPDIR1}" 74if ! mkdir -p "${TMPDIR1}"; then 75 echo "ERROR: failed to create temporary directory" 76 exit 1 77fi 78 79TMPB="qemu-conf" 80TMPC="${TMPDIR1}/${TMPB}.c" 81TMPO="${TMPDIR1}/${TMPB}.o" 82TMPM="${TMPDIR1}/${TMPB}.m" 83TMPE="${TMPDIR1}/${TMPB}.exe" 84 85rm -f config.log 86 87# Print a helpful header at the top of config.log 88echo "# QEMU configure log $(date)" >> config.log 89printf "# Configured with:" >> config.log 90# repeat the invocation to log and stdout for CI 91invoke=$(printf " '%s'" "$0" "$@") 92test -n "$GITLAB_CI" && echo "configuring with: $invoke" 93{ echo "$invoke"; echo; echo "#"; } >> config.log 94 95quote_sh() { 96 printf "%s" "$1" | sed "s,','\\\\'',g; s,.*,'&'," 97} 98 99print_error() { 100 (echo 101 echo "ERROR: $1" 102 while test -n "$2"; do 103 echo " $2" 104 shift 105 done 106 echo) >&2 107} 108 109error_exit() { 110 print_error "$@" 111 exit 1 112} 113 114do_compiler() { 115 # Run the compiler, capturing its output to the log. First argument 116 # is compiler binary to execute. 117 compiler="$1" 118 shift 119 if test -n "$BASH_VERSION"; then eval ' 120 echo >>config.log " 121funcs: ${FUNCNAME[*]} 122lines: ${BASH_LINENO[*]}" 123 '; fi 124 echo $compiler "$@" >> config.log 125 $compiler "$@" >> config.log 2>&1 || return $? 126} 127 128do_compiler_werror() { 129 # Run the compiler, capturing its output to the log. First argument 130 # is compiler binary to execute. 131 compiler="$1" 132 shift 133 if test -n "$BASH_VERSION"; then eval ' 134 echo >>config.log " 135funcs: ${FUNCNAME[*]} 136lines: ${BASH_LINENO[*]}" 137 '; fi 138 echo $compiler "$@" >> config.log 139 $compiler "$@" >> config.log 2>&1 || return $? 140 # Test passed. If this is an --enable-werror build, rerun 141 # the test with -Werror and bail out if it fails. This 142 # makes warning-generating-errors in configure test code 143 # obvious to developers. 144 if test "$werror" != "yes"; then 145 return 0 146 fi 147 # Don't bother rerunning the compile if we were already using -Werror 148 case "$*" in 149 *-Werror*) 150 return 0 151 ;; 152 esac 153 echo $compiler -Werror "$@" >> config.log 154 $compiler -Werror "$@" >> config.log 2>&1 && return $? 155 error_exit "configure test passed without -Werror but failed with -Werror." \ 156 "This is probably a bug in the configure script. The failing command" \ 157 "will be at the bottom of config.log." \ 158 "You can run configure with --disable-werror to bypass this check." 159} 160 161do_cc() { 162 do_compiler_werror "$cc" $CPU_CFLAGS "$@" 163} 164 165do_objc() { 166 do_compiler_werror "$objcc" $CPU_CFLAGS "$@" 167} 168 169# Append $2 to the variable named $1, with space separation 170add_to() { 171 eval $1=\${$1:+\"\$$1 \"}\$2 172} 173 174compile_object() { 175 local_cflags="$1" 176 do_cc $CFLAGS $EXTRA_CFLAGS $CONFIGURE_CFLAGS $QEMU_CFLAGS $local_cflags -c -o $TMPO $TMPC 177} 178 179compile_prog() { 180 local_cflags="$1" 181 local_ldflags="$2" 182 do_cc $CFLAGS $EXTRA_CFLAGS $CONFIGURE_CFLAGS $QEMU_CFLAGS $local_cflags -o $TMPE $TMPC \ 183 $LDFLAGS $EXTRA_LDFLAGS $CONFIGURE_LDFLAGS $QEMU_LDFLAGS $local_ldflags 184} 185 186# symbolically link $1 to $2. Portable version of "ln -sf". 187symlink() { 188 rm -rf "$2" 189 mkdir -p "$(dirname "$2")" 190 ln -s "$1" "$2" 191} 192 193# check whether a command is available to this shell (may be either an 194# executable or a builtin) 195has() { 196 type "$1" >/dev/null 2>&1 197} 198 199version_ge () { 200 local_ver1=$(expr "$1" : '\([0-9.]*\)' | tr . ' ') 201 local_ver2=$(echo "$2" | tr . ' ') 202 while true; do 203 set x $local_ver1 204 local_first=${2-0} 205 # 'shift 2' if $2 is set, or 'shift' if $2 is not set 206 shift ${2:+2} 207 local_ver1=$* 208 set x $local_ver2 209 # the second argument finished, the first must be greater or equal 210 test $# = 1 && return 0 211 test $local_first -lt $2 && return 1 212 test $local_first -gt $2 && return 0 213 shift ${2:+2} 214 local_ver2=$* 215 done 216} 217 218if printf %s\\n "$source_path" "$PWD" | grep -q "[[:space:]:]"; 219then 220 error_exit "main directory cannot contain spaces nor colons" 221fi 222 223# default parameters 224cpu="" 225static="no" 226cross_compile="no" 227cross_prefix="" 228host_cc="cc" 229stack_protector="" 230safe_stack="" 231use_containers="yes" 232gdb_bin=$(command -v "gdb-multiarch" || command -v "gdb") 233gdb_arches="" 234 235if test -e "$source_path/.git" 236then 237 git_submodules_action="update" 238else 239 git_submodules_action="ignore" 240fi 241 242git_submodules="ui/keycodemapdb" 243git="git" 244 245# Don't accept a target_list environment variable. 246unset target_list 247unset target_list_exclude 248 249# Default value for a variable defining feature "foo". 250# * foo="no" feature will only be used if --enable-foo arg is given 251# * foo="" feature will be searched for, and if found, will be used 252# unless --disable-foo is given 253# * foo="yes" this value will only be set by --enable-foo flag. 254# feature will searched for, 255# if not found, configure exits with error 256# 257# Always add --enable-foo and --disable-foo command line args. 258# Distributions want to ensure that several features are compiled in, and it 259# is impossible without a --enable-foo that exits if a feature is not found. 260 261default_feature="" 262# parse CC options second 263for opt do 264 optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)') 265 case "$opt" in 266 --without-default-features) 267 default_feature="no" 268 ;; 269 esac 270done 271 272EXTRA_CFLAGS="" 273EXTRA_CXXFLAGS="" 274EXTRA_OBJCFLAGS="" 275EXTRA_LDFLAGS="" 276 277debug_tcg="no" 278sanitizers="no" 279tsan="no" 280fortify_source="yes" 281docs="auto" 282EXESUF="" 283modules="no" 284prefix="/usr/local" 285qemu_suffix="qemu" 286softmmu="yes" 287linux_user="" 288bsd_user="" 289pie="" 290coroutine="" 291plugins="$default_feature" 292ninja="" 293bindir="bin" 294skip_meson=no 295vfio_user_server="disabled" 296 297# The following Meson options are handled manually (still they 298# are included in the automatically generated help message) 299 300# 1. Track which submodules are needed 301fdt="auto" 302 303# 2. Automatically enable/disable other options 304tcg="auto" 305cfi="false" 306 307# parse CC options second 308for opt do 309 optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)') 310 case "$opt" in 311 --cross-prefix=*) cross_prefix="$optarg" 312 cross_compile="yes" 313 ;; 314 --cc=*) CC="$optarg" 315 ;; 316 --cxx=*) CXX="$optarg" 317 ;; 318 --objcc=*) objcc="$optarg" 319 ;; 320 --cpu=*) cpu="$optarg" 321 ;; 322 --extra-cflags=*) 323 EXTRA_CFLAGS="$EXTRA_CFLAGS $optarg" 324 EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS $optarg" 325 EXTRA_OBJCFLAGS="$EXTRA_OBJCFLAGS $optarg" 326 ;; 327 --extra-cxxflags=*) EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS $optarg" 328 ;; 329 --extra-objcflags=*) EXTRA_OBJCFLAGS="$EXTRA_OBJCFLAGS $optarg" 330 ;; 331 --extra-ldflags=*) EXTRA_LDFLAGS="$EXTRA_LDFLAGS $optarg" 332 ;; 333 --cross-cc-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-cc-FOO option" 334 ;; 335 --cross-cc-cflags-*) cc_arch=${opt#--cross-cc-cflags-}; cc_arch=${cc_arch%%=*} 336 eval "cross_cc_cflags_${cc_arch}=\$optarg" 337 ;; 338 --cross-cc-*) cc_arch=${opt#--cross-cc-}; cc_arch=${cc_arch%%=*} 339 eval "cross_cc_${cc_arch}=\$optarg" 340 ;; 341 --cross-prefix-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-prefix-FOO option" 342 ;; 343 --cross-prefix-*) cc_arch=${opt#--cross-prefix-}; cc_arch=${cc_arch%%=*} 344 eval "cross_prefix_${cc_arch}=\$optarg" 345 ;; 346 esac 347done 348 349# Preferred compiler: 350# ${CC} (if set) 351# ${cross_prefix}gcc (if cross-prefix specified) 352# system compiler 353if test -z "${CC}${cross_prefix}"; then 354 cc="$host_cc" 355else 356 cc="${CC-${cross_prefix}gcc}" 357fi 358 359if test -z "${CXX}${cross_prefix}"; then 360 cxx="c++" 361else 362 cxx="${CXX-${cross_prefix}g++}" 363fi 364 365# Preferred ObjC compiler: 366# $objcc (if set, i.e. via --objcc option) 367# ${cross_prefix}clang (if cross-prefix specified) 368# clang (if available) 369# $cc 370if test -z "${objcc}${cross_prefix}"; then 371 if has clang; then 372 objcc=clang 373 else 374 objcc="$cc" 375 fi 376else 377 objcc="${objcc-${cross_prefix}clang}" 378fi 379 380ar="${AR-${cross_prefix}ar}" 381as="${AS-${cross_prefix}as}" 382ccas="${CCAS-$cc}" 383objcopy="${OBJCOPY-${cross_prefix}objcopy}" 384ld="${LD-${cross_prefix}ld}" 385ranlib="${RANLIB-${cross_prefix}ranlib}" 386nm="${NM-${cross_prefix}nm}" 387smbd="$SMBD" 388strip="${STRIP-${cross_prefix}strip}" 389widl="${WIDL-${cross_prefix}widl}" 390windres="${WINDRES-${cross_prefix}windres}" 391windmc="${WINDMC-${cross_prefix}windmc}" 392pkg_config="${PKG_CONFIG-${cross_prefix}pkg-config}" 393sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}" 394 395# default flags for all hosts 396# We use -fwrapv to tell the compiler that we require a C dialect where 397# left shift of signed integers is well defined and has the expected 398# 2s-complement style results. (Both clang and gcc agree that it 399# provides these semantics.) 400QEMU_CFLAGS="-fno-strict-aliasing -fno-common -fwrapv" 401QEMU_CFLAGS="-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE $QEMU_CFLAGS" 402 403QEMU_LDFLAGS= 404 405# Flags that are needed during configure but later taken care of by Meson 406CONFIGURE_CFLAGS="-std=gnu11 -Wall" 407CONFIGURE_LDFLAGS= 408 409 410check_define() { 411cat > $TMPC <<EOF 412#if !defined($1) 413#error $1 not defined 414#endif 415int main(void) { return 0; } 416EOF 417 compile_object 418} 419 420check_include() { 421cat > $TMPC <<EOF 422#include <$1> 423int main(void) { return 0; } 424EOF 425 compile_object 426} 427 428write_c_skeleton() { 429 cat > $TMPC <<EOF 430int main(void) { return 0; } 431EOF 432} 433 434if check_define __linux__ ; then 435 targetos=linux 436elif check_define _WIN32 ; then 437 targetos=windows 438elif check_define __OpenBSD__ ; then 439 targetos=openbsd 440elif check_define __sun__ ; then 441 targetos=sunos 442elif check_define __HAIKU__ ; then 443 targetos=haiku 444elif check_define __FreeBSD__ ; then 445 targetos=freebsd 446elif check_define __FreeBSD_kernel__ && check_define __GLIBC__; then 447 targetos=gnu/kfreebsd 448elif check_define __DragonFly__ ; then 449 targetos=dragonfly 450elif check_define __NetBSD__; then 451 targetos=netbsd 452elif check_define __APPLE__; then 453 targetos=darwin 454else 455 # This is a fatal error, but don't report it yet, because we 456 # might be going to just print the --help text, or it might 457 # be the result of a missing compiler. 458 targetos=bogus 459fi 460 461# OS specific 462 463mingw32="no" 464bsd="no" 465linux="no" 466solaris="no" 467case $targetos in 468windows) 469 mingw32="yes" 470 plugins="no" 471 pie="no" 472;; 473gnu/kfreebsd) 474 bsd="yes" 475;; 476freebsd) 477 bsd="yes" 478 make="${MAKE-gmake}" 479 # needed for kinfo_getvmmap(3) in libutil.h 480;; 481dragonfly) 482 bsd="yes" 483 make="${MAKE-gmake}" 484;; 485netbsd) 486 bsd="yes" 487 make="${MAKE-gmake}" 488;; 489openbsd) 490 bsd="yes" 491 make="${MAKE-gmake}" 492;; 493darwin) 494 bsd="yes" 495 darwin="yes" 496 # Disable attempts to use ObjectiveC features in os/object.h since they 497 # won't work when we're compiling with gcc as a C compiler. 498 QEMU_CFLAGS="-DOS_OBJECT_USE_OBJC=0 $QEMU_CFLAGS" 499;; 500sunos) 501 solaris="yes" 502 make="${MAKE-gmake}" 503# needed for CMSG_ macros in sys/socket.h 504 QEMU_CFLAGS="-D_XOPEN_SOURCE=600 $QEMU_CFLAGS" 505# needed for TIOCWIN* defines in termios.h 506 QEMU_CFLAGS="-D__EXTENSIONS__ $QEMU_CFLAGS" 507;; 508haiku) 509 pie="no" 510 QEMU_CFLAGS="-DB_USE_POSITIVE_POSIX_ERRORS -D_BSD_SOURCE -fPIC $QEMU_CFLAGS" 511;; 512linux) 513 linux="yes" 514;; 515esac 516 517if test ! -z "$cpu" ; then 518 # command line argument 519 : 520elif check_define __i386__ ; then 521 cpu="i386" 522elif check_define __x86_64__ ; then 523 if check_define __ILP32__ ; then 524 cpu="x32" 525 else 526 cpu="x86_64" 527 fi 528elif check_define __sparc__ ; then 529 if check_define __arch64__ ; then 530 cpu="sparc64" 531 else 532 cpu="sparc" 533 fi 534elif check_define _ARCH_PPC ; then 535 if check_define _ARCH_PPC64 ; then 536 if check_define _LITTLE_ENDIAN ; then 537 cpu="ppc64le" 538 else 539 cpu="ppc64" 540 fi 541 else 542 cpu="ppc" 543 fi 544elif check_define __mips__ ; then 545 cpu="mips" 546elif check_define __s390__ ; then 547 if check_define __s390x__ ; then 548 cpu="s390x" 549 else 550 cpu="s390" 551 fi 552elif check_define __riscv ; then 553 cpu="riscv" 554elif check_define __arm__ ; then 555 cpu="arm" 556elif check_define __aarch64__ ; then 557 cpu="aarch64" 558elif check_define __loongarch64 ; then 559 cpu="loongarch64" 560else 561 # Using uname is really broken, but it is just a fallback for architectures 562 # that are going to use TCI anyway 563 cpu=$(uname -m) 564 echo "WARNING: unrecognized host CPU, proceeding with 'uname -m' output '$cpu'" 565fi 566 567# Normalise host CPU name and set multilib cflags. The canonicalization 568# isn't really necessary, because the architectures that we check for 569# should not hit the 'uname -m' case, but better safe than sorry. 570# Note that this case should only have supported host CPUs, not guests. 571case "$cpu" in 572 armv*b|armv*l|arm) 573 cpu="arm" ;; 574 575 i386|i486|i586|i686) 576 cpu="i386" 577 CPU_CFLAGS="-m32" ;; 578 x32) 579 cpu="x86_64" 580 CPU_CFLAGS="-mx32" ;; 581 x86_64|amd64) 582 cpu="x86_64" 583 # ??? Only extremely old AMD cpus do not have cmpxchg16b. 584 # If we truly care, we should simply detect this case at 585 # runtime and generate the fallback to serial emulation. 586 CPU_CFLAGS="-m64 -mcx16" ;; 587 588 mips*) 589 cpu="mips" ;; 590 591 ppc) 592 CPU_CFLAGS="-m32" ;; 593 ppc64) 594 CPU_CFLAGS="-m64 -mbig-endian" ;; 595 ppc64le) 596 cpu="ppc64" 597 CPU_CFLAGS="-m64 -mlittle-endian" ;; 598 599 s390) 600 CPU_CFLAGS="-m31" ;; 601 s390x) 602 CPU_CFLAGS="-m64" ;; 603 604 sparc|sun4[cdmuv]) 605 cpu="sparc" 606 CPU_CFLAGS="-m32 -mv8plus -mcpu=ultrasparc" ;; 607 sparc64) 608 CPU_CFLAGS="-m64 -mcpu=ultrasparc" ;; 609esac 610 611: ${make=${MAKE-make}} 612 613 614check_py_version() { 615 # We require python >= 3.7. 616 # NB: a True python conditional creates a non-zero return code (Failure) 617 "$1" -c 'import sys; sys.exit(sys.version_info < (3,7))' 618} 619 620python= 621pypi="enabled" 622first_python= 623if test -z "${PYTHON}"; then 624 # A bare 'python' is traditionally python 2.x, but some distros 625 # have it as python 3.x, so check in both places. 626 for binary in python3 python python3.11 python3.10 python3.9 python3.8 python3.7; do 627 if has "$binary"; then 628 python=$(command -v "$binary") 629 if check_py_version "$python"; then 630 # This one is good. 631 first_python= 632 break 633 else 634 first_python=$python 635 fi 636 fi 637 done 638else 639 # Same as above, but only check the environment variable. 640 has "${PYTHON}" || error_exit "The PYTHON environment variable does not point to an executable" 641 python=$(command -v "$PYTHON") 642 if check_py_version "$python"; then 643 # This one is good. 644 first_python= 645 else 646 first_python=$first_python 647 fi 648fi 649 650# Check for ancillary tools used in testing 651genisoimage= 652for binary in genisoimage mkisofs 653do 654 if has $binary 655 then 656 genisoimage=$(command -v "$binary") 657 break 658 fi 659done 660 661if test "$mingw32" = "yes" ; then 662 EXESUF=".exe" 663 # MinGW needs -mthreads for TLS and macro _MT. 664 CONFIGURE_CFLAGS="-mthreads $CONFIGURE_CFLAGS" 665 prefix="/qemu" 666 bindir="" 667 qemu_suffix="" 668fi 669 670werror="" 671 672meson_option_build_array() { 673 printf '[' 674 (if test "$targetos" = windows; then 675 IFS=\; 676 else 677 IFS=: 678 fi 679 for e in $1; do 680 printf '"""' 681 # backslash escape any '\' and '"' characters 682 printf "%s" "$e" | sed -e 's/\([\"]\)/\\\1/g' 683 printf '""",' 684 done) 685 printf ']\n' 686} 687 688. "$source_path/scripts/meson-buildoptions.sh" 689 690meson_options= 691meson_option_add() { 692 meson_options="$meson_options $(quote_sh "$1")" 693} 694meson_option_parse() { 695 meson_options="$meson_options $(_meson_option_parse "$@")" 696 if test $? -eq 1; then 697 echo "ERROR: unknown option $1" 698 echo "Try '$0 --help' for more information" 699 exit 1 700 fi 701} 702 703for opt do 704 optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)') 705 case "$opt" in 706 --help|-h) show_help=yes 707 ;; 708 --version|-V) exec cat "$source_path/VERSION" 709 ;; 710 --prefix=*) prefix="$optarg" 711 ;; 712 --cross-prefix=*) 713 ;; 714 --cc=*) 715 ;; 716 --host-cc=*) host_cc="$optarg" 717 ;; 718 --cxx=*) 719 ;; 720 --objcc=*) 721 ;; 722 --make=*) make="$optarg" 723 ;; 724 --install=*) 725 ;; 726 --python=*) python="$optarg" 727 ;; 728 --skip-meson) skip_meson=yes 729 ;; 730 --ninja=*) ninja="$optarg" 731 ;; 732 --smbd=*) smbd="$optarg" 733 ;; 734 --extra-cflags=*) 735 ;; 736 --extra-cxxflags=*) 737 ;; 738 --extra-objcflags=*) 739 ;; 740 --extra-ldflags=*) 741 ;; 742 --cross-cc-*) 743 ;; 744 --cross-prefix-*) 745 ;; 746 --enable-debug-info) meson_option_add -Ddebug=true 747 ;; 748 --disable-debug-info) meson_option_add -Ddebug=false 749 ;; 750 --enable-docs) docs=enabled 751 ;; 752 --disable-docs) docs=disabled 753 ;; 754 --enable-modules) 755 modules="yes" 756 ;; 757 --disable-modules) 758 modules="no" 759 ;; 760 --cpu=*) 761 ;; 762 --target-list=*) target_list="$optarg" 763 if test "$target_list_exclude"; then 764 error_exit "Can't mix --target-list with --target-list-exclude" 765 fi 766 ;; 767 --target-list-exclude=*) target_list_exclude="$optarg" 768 if test "$target_list"; then 769 error_exit "Can't mix --target-list-exclude with --target-list" 770 fi 771 ;; 772 --with-default-devices) meson_option_add -Ddefault_devices=true 773 ;; 774 --without-default-devices) meson_option_add -Ddefault_devices=false 775 ;; 776 --with-devices-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --with-devices-FOO option" 777 ;; 778 --with-devices-*) device_arch=${opt#--with-devices-}; 779 device_arch=${device_arch%%=*} 780 cf=$source_path/configs/devices/$device_arch-softmmu/$optarg.mak 781 if test -f "$cf"; then 782 device_archs="$device_archs $device_arch" 783 eval "devices_${device_arch}=\$optarg" 784 else 785 error_exit "File $cf does not exist" 786 fi 787 ;; 788 --without-default-features) # processed above 789 ;; 790 --static) static="yes" 791 ;; 792 --bindir=*) bindir="$optarg" 793 ;; 794 --with-suffix=*) qemu_suffix="$optarg" 795 ;; 796 --host=*|--build=*|\ 797 --disable-dependency-tracking|\ 798 --sbindir=*|--sharedstatedir=*|\ 799 --oldincludedir=*|--datarootdir=*|--infodir=*|\ 800 --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*) 801 # These switches are silently ignored, for compatibility with 802 # autoconf-generated configure scripts. This allows QEMU's 803 # configure to be used by RPM and similar macros that set 804 # lots of directory switches by default. 805 ;; 806 --enable-debug-tcg) debug_tcg="yes" 807 ;; 808 --disable-debug-tcg) debug_tcg="no" 809 ;; 810 --enable-debug) 811 # Enable debugging options that aren't excessively noisy 812 debug_tcg="yes" 813 meson_option_parse --enable-debug-graph-lock "" 814 meson_option_parse --enable-debug-mutex "" 815 meson_option_add -Doptimization=0 816 fortify_source="no" 817 ;; 818 --enable-sanitizers) sanitizers="yes" 819 ;; 820 --disable-sanitizers) sanitizers="no" 821 ;; 822 --enable-tsan) tsan="yes" 823 ;; 824 --disable-tsan) tsan="no" 825 ;; 826 --disable-tcg) tcg="disabled" 827 plugins="no" 828 ;; 829 --enable-tcg) tcg="enabled" 830 ;; 831 --disable-system) softmmu="no" 832 ;; 833 --enable-system) softmmu="yes" 834 ;; 835 --disable-user) 836 linux_user="no" ; 837 bsd_user="no" ; 838 ;; 839 --enable-user) ;; 840 --disable-linux-user) linux_user="no" 841 ;; 842 --enable-linux-user) linux_user="yes" 843 ;; 844 --disable-bsd-user) bsd_user="no" 845 ;; 846 --enable-bsd-user) bsd_user="yes" 847 ;; 848 --enable-pie) pie="yes" 849 ;; 850 --disable-pie) pie="no" 851 ;; 852 --enable-werror) werror="yes" 853 ;; 854 --disable-werror) werror="no" 855 ;; 856 --enable-stack-protector) stack_protector="yes" 857 ;; 858 --disable-stack-protector) stack_protector="no" 859 ;; 860 --enable-safe-stack) safe_stack="yes" 861 ;; 862 --disable-safe-stack) safe_stack="no" 863 ;; 864 --enable-cfi) 865 cfi="true"; 866 meson_option_add -Db_lto=true 867 ;; 868 --disable-cfi) cfi="false" 869 ;; 870 --disable-fdt) fdt="disabled" 871 ;; 872 --enable-fdt) fdt="enabled" 873 ;; 874 --enable-fdt=git) fdt="internal" 875 ;; 876 --enable-fdt=*) fdt="$optarg" 877 ;; 878 --with-coroutine=*) coroutine="$optarg" 879 ;; 880 --with-git=*) git="$optarg" 881 ;; 882 --with-git-submodules=*) 883 git_submodules_action="$optarg" 884 ;; 885 --disable-pypi) pypi="disabled" 886 ;; 887 --enable-pypi) pypi="enabled" 888 ;; 889 --enable-plugins) if test "$mingw32" = "yes"; then 890 error_exit "TCG plugins not currently supported on Windows platforms" 891 else 892 plugins="yes" 893 fi 894 ;; 895 --disable-plugins) plugins="no" 896 ;; 897 --enable-containers) use_containers="yes" 898 ;; 899 --disable-containers) use_containers="no" 900 ;; 901 --gdb=*) gdb_bin="$optarg" 902 ;; 903 --enable-vfio-user-server) vfio_user_server="enabled" 904 ;; 905 --disable-vfio-user-server) vfio_user_server="disabled" 906 ;; 907 # everything else has the same name in configure and meson 908 --*) meson_option_parse "$opt" "$optarg" 909 ;; 910 esac 911done 912 913# test for any invalid configuration combinations 914if test "$plugins" = "yes" -a "$tcg" = "disabled"; then 915 error_exit "Can't enable plugins on non-TCG builds" 916fi 917 918case $git_submodules_action in 919 update|validate) 920 if test ! -e "$source_path/.git"; then 921 echo "ERROR: cannot $git_submodules_action git submodules without .git" 922 exit 1 923 fi 924 ;; 925 ignore) 926 if ! test -f "$source_path/ui/keycodemapdb/README" 927 then 928 echo 929 echo "ERROR: missing GIT submodules" 930 echo 931 if test -e "$source_path/.git"; then 932 echo "--with-git-submodules=ignore specified but submodules were not" 933 echo "checked out. Please initialize and update submodules." 934 else 935 echo "This is not a GIT checkout but module content appears to" 936 echo "be missing. Do not use 'git archive' or GitHub download links" 937 echo "to acquire QEMU source archives. Non-GIT builds are only" 938 echo "supported with source archives linked from:" 939 echo 940 echo " https://www.qemu.org/download/#source" 941 echo 942 echo "Developers working with GIT can use scripts/archive-source.sh" 943 echo "if they need to create valid source archives." 944 fi 945 echo 946 exit 1 947 fi 948 ;; 949 *) 950 echo "ERROR: invalid --with-git-submodules= value '$git_submodules_action'" 951 exit 1 952 ;; 953esac 954 955default_target_list="" 956mak_wilds="" 957 958if [ "$linux_user" != no ]; then 959 if [ "$targetos" = linux ] && [ -d "$source_path/linux-user/include/host/$cpu" ]; then 960 linux_user=yes 961 elif [ "$linux_user" = yes ]; then 962 error_exit "linux-user not supported on this architecture" 963 fi 964fi 965if [ "$bsd_user" != no ]; then 966 if [ "$bsd_user" = "" ]; then 967 test $targetos = freebsd && bsd_user=yes 968 fi 969 if [ "$bsd_user" = yes ] && ! [ -d "$source_path/bsd-user/$targetos" ]; then 970 error_exit "bsd-user not supported on this host OS" 971 fi 972fi 973if [ "$softmmu" = "yes" ]; then 974 mak_wilds="${mak_wilds} $source_path/configs/targets/*-softmmu.mak" 975fi 976if [ "$linux_user" = "yes" ]; then 977 mak_wilds="${mak_wilds} $source_path/configs/targets/*-linux-user.mak" 978fi 979if [ "$bsd_user" = "yes" ]; then 980 mak_wilds="${mak_wilds} $source_path/configs/targets/*-bsd-user.mak" 981fi 982 983for config in $mak_wilds; do 984 target="$(basename "$config" .mak)" 985 if echo "$target_list_exclude" | grep -vq "$target"; then 986 default_target_list="${default_target_list} $target" 987 fi 988done 989 990if test x"$show_help" = x"yes" ; then 991cat << EOF 992 993Usage: configure [options] 994Options: [defaults in brackets after descriptions] 995 996Standard options: 997 --help print this message 998 --prefix=PREFIX install in PREFIX [$prefix] 999 --target-list=LIST set target list (default: build all) 1000$(echo Available targets: $default_target_list | \ 1001 fold -s -w 53 | sed -e 's/^/ /') 1002 --target-list-exclude=LIST exclude a set of targets from the default target-list 1003 1004Advanced options (experts only): 1005 --cross-prefix=PREFIX use PREFIX for compile tools, PREFIX can be blank [$cross_prefix] 1006 --cc=CC use C compiler CC [$cc] 1007 --host-cc=CC use C compiler CC [$host_cc] for code run at 1008 build time 1009 --cxx=CXX use C++ compiler CXX [$cxx] 1010 --objcc=OBJCC use Objective-C compiler OBJCC [$objcc] 1011 --extra-cflags=CFLAGS append extra C compiler flags CFLAGS 1012 --extra-cxxflags=CXXFLAGS append extra C++ compiler flags CXXFLAGS 1013 --extra-objcflags=OBJCFLAGS append extra Objective C compiler flags OBJCFLAGS 1014 --extra-ldflags=LDFLAGS append extra linker flags LDFLAGS 1015 --cross-cc-ARCH=CC use compiler when building ARCH guest test cases 1016 --cross-cc-cflags-ARCH= use compiler flags when building ARCH guest tests 1017 --cross-prefix-ARCH=PREFIX cross compiler prefix when building ARCH guest test cases 1018 --make=MAKE use specified make [$make] 1019 --python=PYTHON use specified python [$python] 1020 --ninja=NINJA use specified ninja [$ninja] 1021 --smbd=SMBD use specified smbd [$smbd] 1022 --with-git=GIT use specified git [$git] 1023 --with-git-submodules=update update git submodules (default if .git dir exists) 1024 --with-git-submodules=validate fail if git submodules are not up to date 1025 --with-git-submodules=ignore do not update or check git submodules (default if no .git dir) 1026 --static enable static build [$static] 1027 --bindir=PATH install binaries in PATH 1028 --with-suffix=SUFFIX suffix for QEMU data inside datadir/libdir/sysconfdir/docdir [$qemu_suffix] 1029 --without-default-features default all --enable-* options to "disabled" 1030 --without-default-devices do not include any device that is not needed to 1031 start the emulator (only use if you are including 1032 desired devices in configs/devices/) 1033 --with-devices-ARCH=NAME override default configs/devices 1034 --enable-debug enable common debug build options 1035 --enable-sanitizers enable default sanitizers 1036 --enable-tsan enable thread sanitizer 1037 --disable-werror disable compilation abort on warning 1038 --disable-stack-protector disable compiler-provided stack protection 1039 --cpu=CPU Build for host CPU [$cpu] 1040 --with-coroutine=BACKEND coroutine backend. Supported options: 1041 ucontext, sigaltstack, windows 1042 --enable-plugins 1043 enable plugins via shared library loading 1044 --disable-containers don't use containers for cross-building 1045 --gdb=GDB-path gdb to use for gdbstub tests [$gdb_bin] 1046EOF 1047 meson_options_help 1048cat << EOF 1049 system all system emulation targets 1050 user supported user emulation targets 1051 linux-user all linux usermode emulation targets 1052 bsd-user all BSD usermode emulation targets 1053 pie Position Independent Executables 1054 modules modules support (non-Windows) 1055 debug-tcg TCG debugging (default is disabled) 1056 debug-info debugging information 1057 safe-stack SafeStack Stack Smash Protection. Depends on 1058 clang/llvm and requires coroutine backend ucontext. 1059 1060NOTE: The object files are built at the place where configure is launched 1061EOF 1062exit 0 1063fi 1064 1065# Remove old dependency files to make sure that they get properly regenerated 1066rm -f ./*/config-devices.mak.d 1067 1068if test -z "$python" 1069then 1070 # If first_python is set, there was a binary somewhere even though 1071 # it was not suitable. Use it for the error message. 1072 if test -n "$first_python"; then 1073 error_exit "Cannot use '$first_python', Python >= 3.7 is required." \ 1074 "Use --python=/path/to/python to specify a supported Python." 1075 else 1076 error_exit "Python not found. Use --python=/path/to/python" 1077 fi 1078fi 1079 1080if ! has "$make" 1081then 1082 error_exit "GNU make ($make) not found" 1083fi 1084 1085if ! check_py_version "$python"; then 1086 error_exit "Cannot use '$python', Python >= 3.7 is required." \ 1087 "Use --python=/path/to/python to specify a supported Python." \ 1088 "Maybe try:" \ 1089 " openSUSE Leap 15.3+: zypper install python39" \ 1090 " CentOS 8: dnf install python38" 1091fi 1092 1093# Resolve PATH 1094python="$(command -v "$python")" 1095 1096# Create a Python virtual environment using our configured python. 1097# The stdout of this script will be the location of a symlink that 1098# points to the configured Python. 1099# Entry point scripts for pip, meson, and sphinx are generated if those 1100# packages are present. 1101 1102# Defaults assumed for now: 1103# - venv is cleared if it exists already; 1104# - venv is allowed to use system packages; 1105# - all setup can be performed offline; 1106# - missing packages may be fetched from PyPI, 1107# unless --disable-pypi is passed. 1108# - pip is not installed into the venv when possible, 1109# but ensurepip is called as a fallback when necessary. 1110 1111echo "python determined to be '$python'" 1112echo "python version: $($python --version)" 1113 1114python="$($python -B "${source_path}/python/scripts/mkvenv.py" create pyvenv)" 1115if test "$?" -ne 0 ; then 1116 error_exit "python venv creation failed" 1117fi 1118 1119# Suppress writing compiled files 1120python="$python -B" 1121mkvenv="$python ${source_path}/python/scripts/mkvenv.py" 1122 1123mkvenv_flags="" 1124if test "$pypi" = "enabled" ; then 1125 mkvenv_flags="--online" 1126fi 1127 1128if ! $mkvenv ensure \ 1129 $mkvenv_flags \ 1130 --dir "${source_path}/python/wheels" \ 1131 --diagnose "meson" \ 1132 "meson>=0.63.0" ; 1133then 1134 exit 1 1135fi 1136 1137# At this point, we expect Meson to be installed and available. 1138# We expect mkvenv or pip to have created pyvenv/bin/meson for us. 1139# We ignore PATH completely here: we want to use the venv's Meson 1140# *exclusively*. 1141 1142meson="$(cd pyvenv/bin; pwd)/meson" 1143 1144# Conditionally ensure Sphinx is installed. 1145 1146mkvenv_flags="" 1147if test "$pypi" = "enabled" -a "$docs" = "enabled" ; then 1148 mkvenv_flags="--online" 1149fi 1150 1151if test "$docs" != "disabled" ; then 1152 if ! $mkvenv ensure \ 1153 $mkvenv_flags \ 1154 --diagnose "sphinx-build" \ 1155 "sphinx>=1.6.0" "sphinx-rtd-theme>=0.5.0"; 1156 then 1157 if test "$docs" = "enabled" ; then 1158 exit 1 1159 fi 1160 echo "Sphinx not found/usable, disabling docs." 1161 docs=disabled 1162 else 1163 docs=enabled 1164 fi 1165fi 1166 1167# Probe for ninja 1168 1169if test -z "$ninja"; then 1170 for c in ninja ninja-build samu; do 1171 if has $c; then 1172 ninja=$(command -v "$c") 1173 break 1174 fi 1175 done 1176 if test -z "$ninja"; then 1177 error_exit "Cannot find Ninja" 1178 fi 1179fi 1180 1181# Check that the C compiler works. Doing this here before testing 1182# the host CPU ensures that we had a valid CC to autodetect the 1183# $cpu var (and we should bail right here if that's not the case). 1184# It also allows the help message to be printed without a CC. 1185write_c_skeleton; 1186if compile_object ; then 1187 : C compiler works ok 1188else 1189 error_exit "\"$cc\" either does not exist or does not work" 1190fi 1191if ! compile_prog ; then 1192 error_exit "\"$cc\" cannot build an executable (is your linker broken?)" 1193fi 1194 1195# Consult white-list to determine whether to enable werror 1196# by default. Only enable by default for git builds 1197if test -z "$werror" ; then 1198 if test "$git_submodules_action" != "ignore" && \ 1199 { test "$linux" = "yes" || test "$mingw32" = "yes"; }; then 1200 werror="yes" 1201 else 1202 werror="no" 1203 fi 1204fi 1205 1206if test "$targetos" = "bogus"; then 1207 # Now that we know that we're not printing the help and that 1208 # the compiler works (so the results of the check_defines we used 1209 # to identify the OS are reliable), if we didn't recognize the 1210 # host OS we should stop now. 1211 error_exit "Unrecognized host OS (uname -s reports '$(uname -s)')" 1212fi 1213 1214# Check whether the compiler matches our minimum requirements: 1215cat > $TMPC << EOF 1216#if defined(__clang_major__) && defined(__clang_minor__) 1217# ifdef __apple_build_version__ 1218# if __clang_major__ < 12 || (__clang_major__ == 12 && __clang_minor__ < 0) 1219# error You need at least XCode Clang v12.0 to compile QEMU 1220# endif 1221# else 1222# if __clang_major__ < 10 || (__clang_major__ == 10 && __clang_minor__ < 0) 1223# error You need at least Clang v10.0 to compile QEMU 1224# endif 1225# endif 1226#elif defined(__GNUC__) && defined(__GNUC_MINOR__) 1227# if __GNUC__ < 7 || (__GNUC__ == 7 && __GNUC_MINOR__ < 4) 1228# error You need at least GCC v7.4.0 to compile QEMU 1229# endif 1230#else 1231# error You either need GCC or Clang to compiler QEMU 1232#endif 1233int main (void) { return 0; } 1234EOF 1235if ! compile_prog "" "" ; then 1236 error_exit "You need at least GCC v7.4 or Clang v10.0 (or XCode Clang v12.0)" 1237fi 1238 1239# Accumulate -Wfoo and -Wno-bar separately. 1240# We will list all of the enable flags first, and the disable flags second. 1241# Note that we do not add -Werror, because that would enable it for all 1242# configure tests. If a configure test failed due to -Werror this would 1243# just silently disable some features, so it's too error prone. 1244 1245warn_flags= 1246add_to warn_flags -Wundef 1247add_to warn_flags -Wwrite-strings 1248add_to warn_flags -Wmissing-prototypes 1249add_to warn_flags -Wstrict-prototypes 1250add_to warn_flags -Wredundant-decls 1251add_to warn_flags -Wold-style-declaration 1252add_to warn_flags -Wold-style-definition 1253add_to warn_flags -Wtype-limits 1254add_to warn_flags -Wformat-security 1255add_to warn_flags -Wformat-y2k 1256add_to warn_flags -Winit-self 1257add_to warn_flags -Wignored-qualifiers 1258add_to warn_flags -Wempty-body 1259add_to warn_flags -Wnested-externs 1260add_to warn_flags -Wendif-labels 1261add_to warn_flags -Wexpansion-to-defined 1262add_to warn_flags -Wimplicit-fallthrough=2 1263add_to warn_flags -Wmissing-format-attribute 1264 1265if test "$targetos" != "darwin"; then 1266 add_to warn_flags -Wthread-safety 1267fi 1268 1269nowarn_flags= 1270add_to nowarn_flags -Wno-initializer-overrides 1271add_to nowarn_flags -Wno-missing-include-dirs 1272add_to nowarn_flags -Wno-shift-negative-value 1273add_to nowarn_flags -Wno-string-plus-int 1274add_to nowarn_flags -Wno-typedef-redefinition 1275add_to nowarn_flags -Wno-tautological-type-limit-compare 1276add_to nowarn_flags -Wno-psabi 1277add_to nowarn_flags -Wno-gnu-variable-sized-type-not-at-end 1278 1279gcc_flags="$warn_flags $nowarn_flags" 1280 1281cc_has_warning_flag() { 1282 write_c_skeleton; 1283 1284 # Use the positive sense of the flag when testing for -Wno-wombat 1285 # support (gcc will happily accept the -Wno- form of unknown 1286 # warning options). 1287 optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')" 1288 compile_prog "-Werror $optflag" "" 1289} 1290 1291objcc_has_warning_flag() { 1292 cat > $TMPM <<EOF 1293int main(void) { return 0; } 1294EOF 1295 1296 # Use the positive sense of the flag when testing for -Wno-wombat 1297 # support (gcc will happily accept the -Wno- form of unknown 1298 # warning options). 1299 optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')" 1300 do_objc -Werror $optflag \ 1301 $OBJCFLAGS $EXTRA_OBJCFLAGS $CONFIGURE_OBJCFLAGS $QEMU_OBJCFLAGS \ 1302 -o $TMPE $TMPM $QEMU_LDFLAGS 1303} 1304 1305for flag in $gcc_flags; do 1306 if cc_has_warning_flag $flag ; then 1307 QEMU_CFLAGS="$QEMU_CFLAGS $flag" 1308 fi 1309 if objcc_has_warning_flag $flag ; then 1310 QEMU_OBJCFLAGS="$QEMU_OBJCFLAGS $flag" 1311 fi 1312done 1313 1314if test "$stack_protector" != "no"; then 1315 cat > $TMPC << EOF 1316int main(int argc, char *argv[]) 1317{ 1318 char arr[64], *p = arr, *c = argv[argc - 1]; 1319 while (*c) { 1320 *p++ = *c++; 1321 } 1322 return 0; 1323} 1324EOF 1325 gcc_flags="-fstack-protector-strong -fstack-protector-all" 1326 sp_on=0 1327 for flag in $gcc_flags; do 1328 # We need to check both a compile and a link, since some compiler 1329 # setups fail only on a .c->.o compile and some only at link time 1330 if compile_object "-Werror $flag" && 1331 compile_prog "-Werror $flag" ""; then 1332 QEMU_CFLAGS="$QEMU_CFLAGS $flag" 1333 QEMU_LDFLAGS="$QEMU_LDFLAGS $flag" 1334 sp_on=1 1335 break 1336 fi 1337 done 1338 if test "$stack_protector" = yes; then 1339 if test $sp_on = 0; then 1340 error_exit "Stack protector not supported" 1341 fi 1342 fi 1343fi 1344 1345# Our module code doesn't support Windows 1346if test "$modules" = "yes" && test "$mingw32" = "yes" ; then 1347 error_exit "Modules are not available for Windows" 1348fi 1349 1350# Static linking is not possible with plugins, modules or PIE 1351if test "$static" = "yes" ; then 1352 if test "$modules" = "yes" ; then 1353 error_exit "static and modules are mutually incompatible" 1354 fi 1355 if test "$plugins" = "yes"; then 1356 error_exit "static and plugins are mutually incompatible" 1357 else 1358 plugins="no" 1359 fi 1360fi 1361test "$plugins" = "" && plugins=yes 1362 1363cat > $TMPC << EOF 1364 1365#ifdef __linux__ 1366# define THREAD __thread 1367#else 1368# define THREAD 1369#endif 1370static THREAD int tls_var; 1371int main(void) { return tls_var; } 1372EOF 1373 1374# Meson currently only handles pie as a boolean for now so if we have 1375# explicitly disabled PIE we need to extend our cflags because it wont. 1376if test "$static" = "yes"; then 1377 if test "$pie" != "no" && compile_prog "-Werror -fPIE -DPIE" "-static-pie"; then 1378 CONFIGURE_CFLAGS="-fPIE -DPIE $CONFIGURE_CFLAGS" 1379 pie="yes" 1380 elif test "$pie" = "yes"; then 1381 error_exit "-static-pie not available due to missing toolchain support" 1382 else 1383 pie="no" 1384 QEMU_CFLAGS="-fno-pie $QEMU_CFLAGS" 1385 fi 1386elif test "$pie" = "no"; then 1387 if compile_prog "-Werror -fno-pie" "-no-pie"; then 1388 CONFIGURE_CFLAGS="-fno-pie $CONFIGURE_CFLAGS" 1389 CONFIGURE_LDFLAGS="-no-pie $CONFIGURE_LDFLAGS" 1390 QEMU_CFLAGS="-fno-pie -no-pie $QEMU_CFLAGS" 1391 fi 1392elif compile_prog "-Werror -fPIE -DPIE" "-pie"; then 1393 CONFIGURE_CFLAGS="-fPIE -DPIE $CONFIGURE_CFLAGS" 1394 CONFIGURE_LDFLAGS="-pie $CONFIGURE_LDFLAGS" 1395 pie="yes" 1396elif test "$pie" = "yes"; then 1397 error_exit "PIE not available due to missing toolchain support" 1398else 1399 echo "Disabling PIE due to missing toolchain support" 1400 pie="no" 1401fi 1402 1403########################################## 1404# __sync_fetch_and_and requires at least -march=i486. Many toolchains 1405# use i686 as default anyway, but for those that don't, an explicit 1406# specification is necessary 1407 1408if test "$cpu" = "i386"; then 1409 cat > $TMPC << EOF 1410static int sfaa(int *ptr) 1411{ 1412 return __sync_fetch_and_and(ptr, 0); 1413} 1414 1415int main(void) 1416{ 1417 int val = 42; 1418 val = __sync_val_compare_and_swap(&val, 0, 1); 1419 sfaa(&val); 1420 return val; 1421} 1422EOF 1423 if ! compile_prog "" "" ; then 1424 QEMU_CFLAGS="-march=i486 $QEMU_CFLAGS" 1425 fi 1426fi 1427 1428if test -z "${target_list+xxx}" ; then 1429 default_targets=yes 1430 for target in $default_target_list; do 1431 target_list="$target_list $target" 1432 done 1433 target_list="${target_list# }" 1434else 1435 default_targets=no 1436 target_list=$(echo "$target_list" | sed -e 's/,/ /g') 1437 for target in $target_list; do 1438 # Check that we recognised the target name; this allows a more 1439 # friendly error message than if we let it fall through. 1440 case " $default_target_list " in 1441 *" $target "*) 1442 ;; 1443 *) 1444 error_exit "Unknown target name '$target'" 1445 ;; 1446 esac 1447 done 1448fi 1449 1450# see if system emulation was really requested 1451case " $target_list " in 1452 *"-softmmu "*) softmmu=yes 1453 ;; 1454 *) softmmu=no 1455 ;; 1456esac 1457 1458if test "$tcg" = "auto"; then 1459 if test -z "$target_list"; then 1460 tcg="disabled" 1461 else 1462 tcg="enabled" 1463 fi 1464fi 1465 1466if test "$tcg" = "enabled"; then 1467 git_submodules="$git_submodules tests/fp/berkeley-testfloat-3" 1468 git_submodules="$git_submodules tests/fp/berkeley-softfloat-3" 1469fi 1470 1471########################################## 1472# big/little endian test 1473cat > $TMPC << EOF 1474#if defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ 1475# error LITTLE 1476#endif 1477int main(void) { return 0; } 1478EOF 1479 1480if ! compile_prog ; then 1481 bigendian="no" 1482else 1483 cat > $TMPC << EOF 1484#if defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ 1485# error BIG 1486#endif 1487int main(void) { return 0; } 1488EOF 1489 1490 if ! compile_prog ; then 1491 bigendian="yes" 1492 else 1493 echo big/little test failed 1494 exit 1 1495 fi 1496fi 1497 1498########################################## 1499# fdt probe 1500 1501case "$fdt" in 1502 auto | enabled | internal) 1503 # Simpler to always update submodule, even if not needed. 1504 git_submodules="${git_submodules} dtc" 1505 ;; 1506esac 1507 1508########################################## 1509# check and set a backend for coroutine 1510 1511# We prefer ucontext, but it's not always possible. The fallback 1512# is sigcontext. On Windows the only valid backend is the Windows 1513# specific one. 1514 1515ucontext_works=no 1516if test "$darwin" != "yes"; then 1517 cat > $TMPC << EOF 1518#include <ucontext.h> 1519#ifdef __stub_makecontext 1520#error Ignoring glibc stub makecontext which will always fail 1521#endif 1522int main(void) { makecontext(0, 0, 0); return 0; } 1523EOF 1524 if compile_prog "" "" ; then 1525 ucontext_works=yes 1526 fi 1527fi 1528 1529if test "$coroutine" = ""; then 1530 if test "$mingw32" = "yes"; then 1531 coroutine=win32 1532 elif test "$ucontext_works" = "yes"; then 1533 coroutine=ucontext 1534 else 1535 coroutine=sigaltstack 1536 fi 1537else 1538 case $coroutine in 1539 windows) 1540 if test "$mingw32" != "yes"; then 1541 error_exit "'windows' coroutine backend only valid for Windows" 1542 fi 1543 # Unfortunately the user visible backend name doesn't match the 1544 # coroutine-*.c filename for this case, so we have to adjust it here. 1545 coroutine=win32 1546 ;; 1547 ucontext) 1548 if test "$ucontext_works" != "yes"; then 1549 error_exit "'ucontext' backend requested but makecontext not available" 1550 fi 1551 ;; 1552 sigaltstack) 1553 if test "$mingw32" = "yes"; then 1554 error_exit "only the 'windows' coroutine backend is valid for Windows" 1555 fi 1556 ;; 1557 *) 1558 error_exit "unknown coroutine backend $coroutine" 1559 ;; 1560 esac 1561fi 1562 1563################################################## 1564# SafeStack 1565 1566 1567if test "$safe_stack" = "yes"; then 1568cat > $TMPC << EOF 1569int main(void) 1570{ 1571#if ! __has_feature(safe_stack) 1572#error SafeStack Disabled 1573#endif 1574 return 0; 1575} 1576EOF 1577 flag="-fsanitize=safe-stack" 1578 # Check that safe-stack is supported and enabled. 1579 if compile_prog "-Werror $flag" "$flag"; then 1580 # Flag needed both at compilation and at linking 1581 QEMU_CFLAGS="$QEMU_CFLAGS $flag" 1582 QEMU_LDFLAGS="$QEMU_LDFLAGS $flag" 1583 else 1584 error_exit "SafeStack not supported by your compiler" 1585 fi 1586 if test "$coroutine" != "ucontext"; then 1587 error_exit "SafeStack is only supported by the coroutine backend ucontext" 1588 fi 1589else 1590cat > $TMPC << EOF 1591int main(void) 1592{ 1593#if defined(__has_feature) 1594#if __has_feature(safe_stack) 1595#error SafeStack Enabled 1596#endif 1597#endif 1598 return 0; 1599} 1600EOF 1601if test "$safe_stack" = "no"; then 1602 # Make sure that safe-stack is disabled 1603 if ! compile_prog "-Werror" ""; then 1604 # SafeStack was already enabled, try to explicitly remove the feature 1605 flag="-fno-sanitize=safe-stack" 1606 if ! compile_prog "-Werror $flag" "$flag"; then 1607 error_exit "Configure cannot disable SafeStack" 1608 fi 1609 QEMU_CFLAGS="$QEMU_CFLAGS $flag" 1610 QEMU_LDFLAGS="$QEMU_LDFLAGS $flag" 1611 fi 1612else # "$safe_stack" = "" 1613 # Set safe_stack to yes or no based on pre-existing flags 1614 if compile_prog "-Werror" ""; then 1615 safe_stack="no" 1616 else 1617 safe_stack="yes" 1618 if test "$coroutine" != "ucontext"; then 1619 error_exit "SafeStack is only supported by the coroutine backend ucontext" 1620 fi 1621 fi 1622fi 1623fi 1624 1625######################################## 1626# check if ccache is interfering with 1627# semantic analysis of macros 1628 1629unset CCACHE_CPP2 1630ccache_cpp2=no 1631cat > $TMPC << EOF 1632static const int Z = 1; 1633#define fn() ({ Z; }) 1634#define TAUT(X) ((X) == Z) 1635#define PAREN(X, Y) (X == Y) 1636#define ID(X) (X) 1637int main(void) 1638{ 1639 int x = 0, y = 0; 1640 x = ID(x); 1641 x = fn(); 1642 fn(); 1643 if (PAREN(x, y)) return 0; 1644 if (TAUT(Z)) return 0; 1645 return 0; 1646} 1647EOF 1648 1649if ! compile_object "-Werror"; then 1650 ccache_cpp2=yes 1651fi 1652 1653################################################# 1654# clang does not support glibc + FORTIFY_SOURCE. 1655 1656if test "$fortify_source" != "no"; then 1657 if echo | $cc -dM -E - | grep __clang__ > /dev/null 2>&1 ; then 1658 fortify_source="no"; 1659 elif test -n "$cxx" && has $cxx && 1660 echo | $cxx -dM -E - | grep __clang__ >/dev/null 2>&1 ; then 1661 fortify_source="no"; 1662 else 1663 fortify_source="yes" 1664 fi 1665fi 1666 1667########################################## 1668# checks for sanitizers 1669 1670have_asan=no 1671have_ubsan=no 1672have_asan_iface_h=no 1673have_asan_iface_fiber=no 1674 1675if test "$sanitizers" = "yes" ; then 1676 write_c_skeleton 1677 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" ""; then 1678 have_asan=yes 1679 fi 1680 1681 # we could use a simple skeleton for flags checks, but this also 1682 # detect the static linking issue of ubsan, see also: 1683 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84285 1684 cat > $TMPC << EOF 1685int main(int argc, char **argv) 1686{ 1687 return argc + 1; 1688} 1689EOF 1690 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=undefined" ""; then 1691 have_ubsan=yes 1692 fi 1693 1694 if check_include "sanitizer/asan_interface.h" ; then 1695 have_asan_iface_h=yes 1696 fi 1697 1698 cat > $TMPC << EOF 1699#include <sanitizer/asan_interface.h> 1700int main(void) { 1701 __sanitizer_start_switch_fiber(0, 0, 0); 1702 return 0; 1703} 1704EOF 1705 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" "" ; then 1706 have_asan_iface_fiber=yes 1707 fi 1708fi 1709 1710# Thread sanitizer is, for now, much noisier than the other sanitizers; 1711# keep it separate until that is not the case. 1712if test "$tsan" = "yes" && test "$sanitizers" = "yes"; then 1713 error_exit "TSAN is not supported with other sanitiziers." 1714fi 1715have_tsan=no 1716have_tsan_iface_fiber=no 1717if test "$tsan" = "yes" ; then 1718 write_c_skeleton 1719 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then 1720 have_tsan=yes 1721 fi 1722 cat > $TMPC << EOF 1723#include <sanitizer/tsan_interface.h> 1724int main(void) { 1725 __tsan_create_fiber(0); 1726 return 0; 1727} 1728EOF 1729 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then 1730 have_tsan_iface_fiber=yes 1731 fi 1732fi 1733 1734########################################## 1735# functions to probe cross compilers 1736 1737container="no" 1738runc="" 1739if test $use_containers = "yes" && (has "docker" || has "podman"); then 1740 case $($python "$source_path"/tests/docker/docker.py probe) in 1741 *docker) container=docker ;; 1742 podman) container=podman ;; 1743 no) container=no ;; 1744 esac 1745 if test "$container" != "no"; then 1746 docker_py="$python $source_path/tests/docker/docker.py --engine $container" 1747 runc=$($python "$source_path"/tests/docker/docker.py probe) 1748 fi 1749fi 1750 1751# cross compilers defaults, can be overridden with --cross-cc-ARCH 1752: ${cross_prefix_aarch64="aarch64-linux-gnu-"} 1753: ${cross_prefix_aarch64_be="$cross_prefix_aarch64"} 1754: ${cross_prefix_alpha="alpha-linux-gnu-"} 1755: ${cross_prefix_arm="arm-linux-gnueabihf-"} 1756: ${cross_prefix_armeb="$cross_prefix_arm"} 1757: ${cross_prefix_hexagon="hexagon-unknown-linux-musl-"} 1758: ${cross_prefix_loongarch64="loongarch64-unknown-linux-gnu-"} 1759: ${cross_prefix_hppa="hppa-linux-gnu-"} 1760: ${cross_prefix_i386="i686-linux-gnu-"} 1761: ${cross_prefix_m68k="m68k-linux-gnu-"} 1762: ${cross_prefix_microblaze="microblaze-linux-musl-"} 1763: ${cross_prefix_mips64el="mips64el-linux-gnuabi64-"} 1764: ${cross_prefix_mips64="mips64-linux-gnuabi64-"} 1765: ${cross_prefix_mipsel="mipsel-linux-gnu-"} 1766: ${cross_prefix_mips="mips-linux-gnu-"} 1767: ${cross_prefix_nios2="nios2-linux-gnu-"} 1768: ${cross_prefix_ppc="powerpc-linux-gnu-"} 1769: ${cross_prefix_ppc64="powerpc64-linux-gnu-"} 1770: ${cross_prefix_ppc64le="$cross_prefix_ppc64"} 1771: ${cross_prefix_riscv64="riscv64-linux-gnu-"} 1772: ${cross_prefix_s390x="s390x-linux-gnu-"} 1773: ${cross_prefix_sh4="sh4-linux-gnu-"} 1774: ${cross_prefix_sparc64="sparc64-linux-gnu-"} 1775: ${cross_prefix_sparc="$cross_prefix_sparc64"} 1776: ${cross_prefix_x86_64="x86_64-linux-gnu-"} 1777 1778: ${cross_cc_aarch64_be="$cross_cc_aarch64"} 1779: ${cross_cc_cflags_aarch64_be="-mbig-endian"} 1780: ${cross_cc_armeb="$cross_cc_arm"} 1781: ${cross_cc_cflags_armeb="-mbig-endian"} 1782: ${cross_cc_hexagon="hexagon-unknown-linux-musl-clang"} 1783: ${cross_cc_cflags_hexagon="-mv67 -O2 -static"} 1784: ${cross_cc_cflags_i386="-m32"} 1785: ${cross_cc_cflags_ppc="-m32 -mbig-endian"} 1786: ${cross_cc_cflags_ppc64="-m64 -mbig-endian"} 1787: ${cross_cc_ppc64le="$cross_cc_ppc64"} 1788: ${cross_cc_cflags_ppc64le="-m64 -mlittle-endian"} 1789: ${cross_cc_cflags_sparc64="-m64 -mcpu=ultrasparc"} 1790: ${cross_cc_sparc="$cross_cc_sparc64"} 1791: ${cross_cc_cflags_sparc="-m32 -mcpu=supersparc"} 1792: ${cross_cc_cflags_x86_64="-m64"} 1793 1794compute_target_variable() { 1795 eval "$2=" 1796 if eval test -n "\"\${cross_prefix_$1}\""; then 1797 if eval has "\"\${cross_prefix_$1}\$3\""; then 1798 eval "$2=\"\${cross_prefix_$1}\$3\"" 1799 fi 1800 fi 1801} 1802 1803have_target() { 1804 for i; do 1805 case " $target_list " in 1806 *" $i "*) return 0;; 1807 *) ;; 1808 esac 1809 done 1810 return 1 1811} 1812 1813# probe_target_compiler TARGET 1814# 1815# Look for a compiler for the given target, either native or cross. 1816# Set variables target_* if a compiler is found, and container_cross_* 1817# if a Docker-based cross-compiler image is known for the target. 1818# Set got_cross_cc to yes/no depending on whether a non-container-based 1819# compiler was found. 1820# 1821# If TARGET is a user-mode emulation target, also set build_static to 1822# "y" if static linking is possible. 1823# 1824probe_target_compiler() { 1825 # reset all output variables 1826 got_cross_cc=no 1827 container_image= 1828 container_hosts= 1829 container_cross_cc= 1830 container_cross_ar= 1831 container_cross_as= 1832 container_cross_ld= 1833 container_cross_nm= 1834 container_cross_objcopy= 1835 container_cross_ranlib= 1836 container_cross_strip= 1837 1838 # We shall skip configuring the target compiler if the user didn't 1839 # bother enabling an appropriate guest. This avoids building 1840 # extraneous firmware images and tests. 1841 if test "${target_list#*$1}" = "$1"; then 1842 return 1 1843 fi 1844 1845 target_arch=${1%%-*} 1846 case $target_arch in 1847 aarch64) container_hosts="x86_64 aarch64" ;; 1848 alpha) container_hosts=x86_64 ;; 1849 arm) container_hosts="x86_64 aarch64" ;; 1850 cris) container_hosts=x86_64 ;; 1851 hexagon) container_hosts=x86_64 ;; 1852 hppa) container_hosts=x86_64 ;; 1853 i386) container_hosts=x86_64 ;; 1854 loongarch64) container_hosts=x86_64 ;; 1855 m68k) container_hosts=x86_64 ;; 1856 microblaze) container_hosts=x86_64 ;; 1857 mips64el) container_hosts=x86_64 ;; 1858 mips64) container_hosts=x86_64 ;; 1859 mipsel) container_hosts=x86_64 ;; 1860 mips) container_hosts=x86_64 ;; 1861 nios2) container_hosts=x86_64 ;; 1862 ppc) container_hosts=x86_64 ;; 1863 ppc64|ppc64le) container_hosts=x86_64 ;; 1864 riscv64) container_hosts=x86_64 ;; 1865 s390x) container_hosts=x86_64 ;; 1866 sh4) container_hosts=x86_64 ;; 1867 sparc64) container_hosts=x86_64 ;; 1868 tricore) container_hosts=x86_64 ;; 1869 x86_64) container_hosts="aarch64 ppc64el x86_64" ;; 1870 xtensa*) container_hosts=x86_64 ;; 1871 esac 1872 1873 for host in $container_hosts; do 1874 test "$container" != no || continue 1875 test "$host" = "$cpu" || continue 1876 case $target_arch in 1877 aarch64) 1878 # We don't have any bigendian build tools so we only use this for AArch64 1879 container_image=debian-arm64-cross 1880 container_cross_prefix=aarch64-linux-gnu- 1881 container_cross_cc=${container_cross_prefix}gcc-10 1882 ;; 1883 alpha) 1884 container_image=debian-alpha-cross 1885 container_cross_prefix=alpha-linux-gnu- 1886 ;; 1887 arm) 1888 # We don't have any bigendian build tools so we only use this for ARM 1889 container_image=debian-armhf-cross 1890 container_cross_prefix=arm-linux-gnueabihf- 1891 ;; 1892 cris) 1893 container_image=fedora-cris-cross 1894 container_cross_prefix=cris-linux-gnu- 1895 ;; 1896 hexagon) 1897 container_image=debian-hexagon-cross 1898 container_cross_prefix=hexagon-unknown-linux-musl- 1899 container_cross_cc=${container_cross_prefix}clang 1900 ;; 1901 hppa) 1902 container_image=debian-hppa-cross 1903 container_cross_prefix=hppa-linux-gnu- 1904 ;; 1905 i386) 1906 container_image=fedora-i386-cross 1907 container_cross_prefix= 1908 ;; 1909 loongarch64) 1910 container_image=debian-loongarch-cross 1911 container_cross_prefix=loongarch64-unknown-linux-gnu- 1912 ;; 1913 m68k) 1914 container_image=debian-m68k-cross 1915 container_cross_prefix=m68k-linux-gnu- 1916 ;; 1917 microblaze) 1918 container_image=debian-microblaze-cross 1919 container_cross_prefix=microblaze-linux-musl- 1920 ;; 1921 mips64el) 1922 container_image=debian-mips64el-cross 1923 container_cross_prefix=mips64el-linux-gnuabi64- 1924 ;; 1925 mips64) 1926 container_image=debian-mips64-cross 1927 container_cross_prefix=mips64-linux-gnuabi64- 1928 ;; 1929 mipsel) 1930 container_image=debian-mipsel-cross 1931 container_cross_prefix=mipsel-linux-gnu- 1932 ;; 1933 mips) 1934 container_image=debian-mips-cross 1935 container_cross_prefix=mips-linux-gnu- 1936 ;; 1937 nios2) 1938 container_image=debian-nios2-cross 1939 container_cross_prefix=nios2-linux-gnu- 1940 ;; 1941 ppc) 1942 container_image=debian-powerpc-test-cross 1943 container_cross_prefix=powerpc-linux-gnu- 1944 container_cross_cc=${container_cross_prefix}gcc-10 1945 ;; 1946 ppc64|ppc64le) 1947 container_image=debian-powerpc-test-cross 1948 container_cross_prefix=powerpc${target_arch#ppc}-linux-gnu- 1949 container_cross_cc=${container_cross_prefix}gcc-10 1950 ;; 1951 riscv64) 1952 container_image=debian-riscv64-test-cross 1953 container_cross_prefix=riscv64-linux-gnu- 1954 ;; 1955 s390x) 1956 container_image=debian-s390x-cross 1957 container_cross_prefix=s390x-linux-gnu- 1958 ;; 1959 sh4) 1960 container_image=debian-sh4-cross 1961 container_cross_prefix=sh4-linux-gnu- 1962 ;; 1963 sparc64) 1964 container_image=debian-sparc64-cross 1965 container_cross_prefix=sparc64-linux-gnu- 1966 ;; 1967 tricore) 1968 container_image=debian-tricore-cross 1969 container_cross_prefix=tricore- 1970 container_cross_as=tricore-as 1971 container_cross_ld=tricore-ld 1972 break 1973 ;; 1974 x86_64) 1975 container_image=debian-amd64-cross 1976 container_cross_prefix=x86_64-linux-gnu- 1977 ;; 1978 xtensa*) 1979 container_hosts=x86_64 1980 container_image=debian-xtensa-cross 1981 1982 # default to the dc232b cpu 1983 container_cross_prefix=/opt/2020.07/xtensa-dc232b-elf/bin/xtensa-dc232b-elf- 1984 ;; 1985 esac 1986 : ${container_cross_cc:=${container_cross_prefix}gcc} 1987 : ${container_cross_ar:=${container_cross_prefix}ar} 1988 : ${container_cross_as:=${container_cross_prefix}as} 1989 : ${container_cross_ld:=${container_cross_prefix}ld} 1990 : ${container_cross_nm:=${container_cross_prefix}nm} 1991 : ${container_cross_objcopy:=${container_cross_prefix}objcopy} 1992 : ${container_cross_ranlib:=${container_cross_prefix}ranlib} 1993 : ${container_cross_strip:=${container_cross_prefix}strip} 1994 done 1995 1996 try=cross 1997 case "$target_arch:$cpu" in 1998 aarch64_be:aarch64 | \ 1999 armeb:arm | \ 2000 i386:x86_64 | \ 2001 mips*:mips64 | \ 2002 ppc*:ppc64 | \ 2003 sparc:sparc64 | \ 2004 "$cpu:$cpu") 2005 try='native cross' ;; 2006 esac 2007 eval "target_cflags=\${cross_cc_cflags_$target_arch}" 2008 for thistry in $try; do 2009 case $thistry in 2010 native) 2011 target_cc=$cc 2012 target_ccas=$ccas 2013 target_ar=$ar 2014 target_as=$as 2015 target_ld=$ld 2016 target_nm=$nm 2017 target_objcopy=$objcopy 2018 target_ranlib=$ranlib 2019 target_strip=$strip 2020 ;; 2021 cross) 2022 target_cc= 2023 if eval test -n "\"\${cross_cc_$target_arch}\""; then 2024 if eval has "\"\${cross_cc_$target_arch}\""; then 2025 eval "target_cc=\"\${cross_cc_$target_arch}\"" 2026 fi 2027 else 2028 compute_target_variable $target_arch target_cc gcc 2029 fi 2030 target_ccas=$target_cc 2031 compute_target_variable $target_arch target_ar ar 2032 compute_target_variable $target_arch target_as as 2033 compute_target_variable $target_arch target_ld ld 2034 compute_target_variable $target_arch target_nm nm 2035 compute_target_variable $target_arch target_objcopy objcopy 2036 compute_target_variable $target_arch target_ranlib ranlib 2037 compute_target_variable $target_arch target_strip strip 2038 ;; 2039 esac 2040 2041 if test -n "$target_cc"; then 2042 case $target_arch in 2043 i386|x86_64) 2044 if $target_cc --version | grep -qi "clang"; then 2045 continue 2046 fi 2047 ;; 2048 esac 2049 elif test -n "$target_as" && test -n "$target_ld"; then 2050 # Special handling for assembler only targets 2051 case $target in 2052 tricore-softmmu) 2053 build_static= 2054 got_cross_cc=yes 2055 break 2056 ;; 2057 *) 2058 continue 2059 ;; 2060 esac 2061 else 2062 continue 2063 fi 2064 2065 write_c_skeleton 2066 case $1 in 2067 *-softmmu) 2068 if do_compiler "$target_cc" $target_cflags -o $TMPO -c $TMPC && 2069 do_compiler "$target_cc" $target_cflags -r -nostdlib -o "${TMPDIR1}/${TMPB}2.o" "$TMPO" -lgcc; then 2070 got_cross_cc=yes 2071 break 2072 fi 2073 ;; 2074 *) 2075 if do_compiler "$target_cc" $target_cflags -o $TMPE $TMPC -static ; then 2076 build_static=y 2077 got_cross_cc=yes 2078 break 2079 fi 2080 if do_compiler "$target_cc" $target_cflags -o $TMPE $TMPC ; then 2081 build_static= 2082 got_cross_cc=yes 2083 break 2084 fi 2085 ;; 2086 esac 2087 done 2088 if test $got_cross_cc != yes; then 2089 build_static= 2090 target_cc= 2091 target_ccas= 2092 target_ar= 2093 target_as= 2094 target_ld= 2095 target_nm= 2096 target_objcopy= 2097 target_ranlib= 2098 target_strip= 2099 fi 2100 test -n "$target_cc" 2101} 2102 2103write_target_makefile() { 2104 echo "EXTRA_CFLAGS=$target_cflags" 2105 if test -z "$target_cc" && test -z "$target_as"; then 2106 test -z "$container_image" && error_exit "Internal error: could not find cross compiler for $1?" 2107 echo "$1: docker-image-$container_image" >> Makefile.prereqs 2108 if test -n "$container_cross_cc"; then 2109 echo "CC=$docker_py cc --cc $container_cross_cc -i qemu/$container_image -s $source_path --" 2110 echo "CCAS=$docker_py cc --cc $container_cross_cc -i qemu/$container_image -s $source_path --" 2111 fi 2112 echo "AR=$docker_py cc --cc $container_cross_ar -i qemu/$container_image -s $source_path --" 2113 echo "AS=$docker_py cc --cc $container_cross_as -i qemu/$container_image -s $source_path --" 2114 echo "LD=$docker_py cc --cc $container_cross_ld -i qemu/$container_image -s $source_path --" 2115 echo "NM=$docker_py cc --cc $container_cross_nm -i qemu/$container_image -s $source_path --" 2116 echo "OBJCOPY=$docker_py cc --cc $container_cross_objcopy -i qemu/$container_image -s $source_path --" 2117 echo "RANLIB=$docker_py cc --cc $container_cross_ranlib -i qemu/$container_image -s $source_path --" 2118 echo "STRIP=$docker_py cc --cc $container_cross_strip -i qemu/$container_image -s $source_path --" 2119 else 2120 if test -n "$target_cc"; then 2121 echo "CC=$target_cc" 2122 echo "CCAS=$target_ccas" 2123 fi 2124 if test -n "$target_ar"; then 2125 echo "AR=$target_ar" 2126 fi 2127 if test -n "$target_as"; then 2128 echo "AS=$target_as" 2129 fi 2130 if test -n "$target_ld"; then 2131 echo "LD=$target_ld" 2132 fi 2133 if test -n "$target_nm"; then 2134 echo "NM=$target_nm" 2135 fi 2136 if test -n "$target_objcopy"; then 2137 echo "OBJCOPY=$target_objcopy" 2138 fi 2139 if test -n "$target_ranlib"; then 2140 echo "RANLIB=$target_ranlib" 2141 fi 2142 if test -n "$target_strip"; then 2143 echo "STRIP=$target_strip" 2144 fi 2145 fi 2146} 2147 2148########################################## 2149# check for vfio_user_server 2150 2151case "$vfio_user_server" in 2152 enabled ) 2153 if test "$git_submodules_action" != "ignore"; then 2154 git_submodules="${git_submodules} subprojects/libvfio-user" 2155 fi 2156 ;; 2157esac 2158 2159########################################## 2160# End of CC checks 2161# After here, no more $cc or $ld runs 2162 2163write_c_skeleton 2164 2165if test "$fortify_source" = "yes" ; then 2166 QEMU_CFLAGS="-U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $QEMU_CFLAGS" 2167fi 2168 2169if test "$have_asan" = "yes"; then 2170 QEMU_CFLAGS="-fsanitize=address $QEMU_CFLAGS" 2171 QEMU_LDFLAGS="-fsanitize=address $QEMU_LDFLAGS" 2172 if test "$have_asan_iface_h" = "no" ; then 2173 echo "ASAN build enabled, but ASAN header missing." \ 2174 "Without code annotation, the report may be inferior." 2175 elif test "$have_asan_iface_fiber" = "no" ; then 2176 echo "ASAN build enabled, but ASAN header is too old." \ 2177 "Without code annotation, the report may be inferior." 2178 fi 2179fi 2180if test "$have_tsan" = "yes" ; then 2181 if test "$have_tsan_iface_fiber" = "yes" ; then 2182 QEMU_CFLAGS="-fsanitize=thread $QEMU_CFLAGS" 2183 QEMU_LDFLAGS="-fsanitize=thread $QEMU_LDFLAGS" 2184 else 2185 error_exit "Cannot enable TSAN due to missing fiber annotation interface." 2186 fi 2187elif test "$tsan" = "yes" ; then 2188 error_exit "Cannot enable TSAN due to missing sanitize thread interface." 2189fi 2190if test "$have_ubsan" = "yes"; then 2191 QEMU_CFLAGS="-fsanitize=undefined $QEMU_CFLAGS" 2192 QEMU_LDFLAGS="-fsanitize=undefined $QEMU_LDFLAGS" 2193fi 2194 2195####################################### 2196# cross-compiled firmware targets 2197 2198# Set up build tree symlinks that point back into the source tree 2199# (these can be both files and directories). 2200# Caution: avoid adding files or directories here using wildcards. This 2201# will result in problems later if a new file matching the wildcard is 2202# added to the source tree -- nothing will cause configure to be rerun 2203# so the build tree will be missing the link back to the new file, and 2204# tests might fail. Prefer to keep the relevant files in their own 2205# directory and symlink the directory instead. 2206LINKS="Makefile" 2207LINKS="$LINKS docs/config" 2208LINKS="$LINKS pc-bios/optionrom/Makefile" 2209LINKS="$LINKS pc-bios/s390-ccw/Makefile" 2210LINKS="$LINKS pc-bios/vof/Makefile" 2211LINKS="$LINKS .gdbinit scripts" # scripts needed by relative path in .gdbinit 2212LINKS="$LINKS tests/avocado tests/data" 2213LINKS="$LINKS tests/qemu-iotests/check" 2214LINKS="$LINKS python" 2215LINKS="$LINKS contrib/plugins/Makefile " 2216for f in $LINKS ; do 2217 if [ -e "$source_path/$f" ]; then 2218 mkdir -p "$(dirname ./"$f")" 2219 symlink "$source_path/$f" "$f" 2220 fi 2221done 2222 2223echo "# Automatically generated by configure - do not modify" > Makefile.prereqs 2224 2225# Mac OS X ships with a broken assembler 2226roms= 2227if have_target i386-softmmu x86_64-softmmu && \ 2228 test "$targetos" != "darwin" && test "$targetos" != "sunos" && \ 2229 test "$targetos" != "haiku" && \ 2230 probe_target_compiler i386-softmmu; then 2231 roms="pc-bios/optionrom" 2232 config_mak=pc-bios/optionrom/config.mak 2233 echo "# Automatically generated by configure - do not modify" > $config_mak 2234 echo "TOPSRC_DIR=$source_path" >> $config_mak 2235 write_target_makefile >> $config_mak 2236fi 2237 2238if have_target ppc-softmmu ppc64-softmmu && \ 2239 probe_target_compiler ppc-softmmu; then 2240 roms="$roms pc-bios/vof" 2241 config_mak=pc-bios/vof/config.mak 2242 echo "# Automatically generated by configure - do not modify" > $config_mak 2243 echo "SRC_DIR=$source_path/pc-bios/vof" >> $config_mak 2244 write_target_makefile >> $config_mak 2245fi 2246 2247# Only build s390-ccw bios if the compiler has -march=z900 or -march=z10 2248# (which is the lowest architecture level that Clang supports) 2249if have_target s390x-softmmu && probe_target_compiler s390x-softmmu; then 2250 write_c_skeleton 2251 do_compiler "$target_cc" $target_cc_cflags -march=z900 -o $TMPO -c $TMPC 2252 has_z900=$? 2253 if [ $has_z900 = 0 ] || do_compiler "$target_cc" $target_cc_cflags -march=z10 -msoft-float -Werror -o $TMPO -c $TMPC; then 2254 if [ $has_z900 != 0 ]; then 2255 echo "WARNING: Your compiler does not support the z900!" 2256 echo " The s390-ccw bios will only work with guest CPUs >= z10." 2257 fi 2258 roms="$roms pc-bios/s390-ccw" 2259 config_mak=pc-bios/s390-ccw/config-host.mak 2260 echo "# Automatically generated by configure - do not modify" > $config_mak 2261 echo "SRC_PATH=$source_path/pc-bios/s390-ccw" >> $config_mak 2262 write_target_makefile >> $config_mak 2263 # SLOF is required for building the s390-ccw firmware on s390x, 2264 # since it is using the libnet code from SLOF for network booting. 2265 git_submodules="${git_submodules} roms/SLOF" 2266 fi 2267fi 2268 2269####################################### 2270# generate config-host.mak 2271 2272if ! (GIT="$git" "$source_path/scripts/git-submodule.sh" "$git_submodules_action" "$git_submodules"); then 2273 exit 1 2274fi 2275 2276config_host_mak="config-host.mak" 2277 2278echo "# Automatically generated by configure - do not modify" > $config_host_mak 2279echo >> $config_host_mak 2280 2281echo all: >> $config_host_mak 2282echo "GIT=$git" >> $config_host_mak 2283echo "GIT_SUBMODULES=$git_submodules" >> $config_host_mak 2284echo "GIT_SUBMODULES_ACTION=$git_submodules_action" >> $config_host_mak 2285 2286if test "$debug_tcg" = "yes" ; then 2287 echo "CONFIG_DEBUG_TCG=y" >> $config_host_mak 2288fi 2289if test "$mingw32" = "yes" ; then 2290 echo "CONFIG_WIN32=y" >> $config_host_mak 2291 echo "QEMU_GA_MANUFACTURER=${QEMU_GA_MANUFACTURER-QEMU}" >> $config_host_mak 2292 echo "QEMU_GA_DISTRO=${QEMU_GA_DISTRO-Linux}" >> $config_host_mak 2293 echo "QEMU_GA_VERSION=${QEMU_GA_VERSION-$(cat "$source_path"/VERSION)}" >> $config_host_mak 2294else 2295 echo "CONFIG_POSIX=y" >> $config_host_mak 2296fi 2297 2298if test "$linux" = "yes" ; then 2299 echo "CONFIG_LINUX=y" >> $config_host_mak 2300fi 2301 2302if test "$darwin" = "yes" ; then 2303 echo "CONFIG_DARWIN=y" >> $config_host_mak 2304fi 2305 2306if test "$solaris" = "yes" ; then 2307 echo "CONFIG_SOLARIS=y" >> $config_host_mak 2308fi 2309echo "SRC_PATH=$source_path" >> $config_host_mak 2310echo "TARGET_DIRS=$target_list" >> $config_host_mak 2311if test "$modules" = "yes"; then 2312 echo "CONFIG_MODULES=y" >> $config_host_mak 2313fi 2314 2315# XXX: suppress that 2316if [ "$bsd" = "yes" ] ; then 2317 echo "CONFIG_BSD=y" >> $config_host_mak 2318fi 2319 2320echo "CONFIG_COROUTINE_BACKEND=$coroutine" >> $config_host_mak 2321 2322if test "$have_asan_iface_fiber" = "yes" ; then 2323 echo "CONFIG_ASAN_IFACE_FIBER=y" >> $config_host_mak 2324fi 2325 2326if test "$have_tsan" = "yes" && test "$have_tsan_iface_fiber" = "yes" ; then 2327 echo "CONFIG_TSAN=y" >> $config_host_mak 2328fi 2329 2330if test "$plugins" = "yes" ; then 2331 echo "CONFIG_PLUGIN=y" >> $config_host_mak 2332fi 2333 2334if test -n "$gdb_bin"; then 2335 gdb_version=$($gdb_bin --version | head -n 1) 2336 if version_ge ${gdb_version##* } 9.1; then 2337 echo "HAVE_GDB_BIN=$gdb_bin" >> $config_host_mak 2338 gdb_arches=$("$source_path/scripts/probe-gdb-support.py" $gdb_bin) 2339 else 2340 gdb_bin="" 2341 fi 2342fi 2343 2344if test "$container" != no; then 2345 echo "ENGINE=$container" >> $config_host_mak 2346 echo "RUNC=$runc" >> $config_host_mak 2347fi 2348echo "ROMS=$roms" >> $config_host_mak 2349echo "MAKE=$make" >> $config_host_mak 2350echo "PYTHON=$python" >> $config_host_mak 2351echo "GENISOIMAGE=$genisoimage" >> $config_host_mak 2352echo "MESON=$meson" >> $config_host_mak 2353echo "NINJA=$ninja" >> $config_host_mak 2354echo "PKG_CONFIG=${pkg_config}" >> $config_host_mak 2355echo "CC=$cc" >> $config_host_mak 2356echo "QEMU_CFLAGS=$QEMU_CFLAGS" >> $config_host_mak 2357echo "QEMU_OBJCFLAGS=$QEMU_OBJCFLAGS" >> $config_host_mak 2358echo "QEMU_LDFLAGS=$QEMU_LDFLAGS" >> $config_host_mak 2359echo "EXESUF=$EXESUF" >> $config_host_mak 2360 2361# use included Linux headers 2362if test "$linux" = "yes" ; then 2363 mkdir -p linux-headers 2364 case "$cpu" in 2365 i386|x86_64) 2366 linux_arch=x86 2367 ;; 2368 ppc|ppc64) 2369 linux_arch=powerpc 2370 ;; 2371 s390x) 2372 linux_arch=s390 2373 ;; 2374 aarch64) 2375 linux_arch=arm64 2376 ;; 2377 loongarch*) 2378 linux_arch=loongarch 2379 ;; 2380 mips64) 2381 linux_arch=mips 2382 ;; 2383 *) 2384 # For most CPUs the kernel architecture name and QEMU CPU name match. 2385 linux_arch="$cpu" 2386 ;; 2387 esac 2388 # For non-KVM architectures we will not have asm headers 2389 if [ -e "$source_path/linux-headers/asm-$linux_arch" ]; then 2390 symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm 2391 fi 2392fi 2393 2394for target in $target_list; do 2395 target_dir="$target" 2396 target_name=$(echo $target | cut -d '-' -f 1)$EXESUF 2397 mkdir -p "$target_dir" 2398 case $target in 2399 *-user) symlink "../qemu-$target_name" "$target_dir/qemu-$target_name" ;; 2400 *) symlink "../qemu-system-$target_name" "$target_dir/qemu-system-$target_name" ;; 2401 esac 2402done 2403 2404if test "$default_targets" = "yes"; then 2405 echo "CONFIG_DEFAULT_TARGETS=y" >> $config_host_mak 2406fi 2407 2408if test "$ccache_cpp2" = "yes"; then 2409 echo "export CCACHE_CPP2=y" >> $config_host_mak 2410fi 2411 2412if test "$safe_stack" = "yes"; then 2413 echo "CONFIG_SAFESTACK=y" >> $config_host_mak 2414fi 2415 2416# tests/tcg configuration 2417(config_host_mak=tests/tcg/config-host.mak 2418mkdir -p tests/tcg 2419echo "# Automatically generated by configure - do not modify" > $config_host_mak 2420echo "SRC_PATH=$source_path" >> $config_host_mak 2421echo "HOST_CC=$host_cc" >> $config_host_mak 2422 2423# versioned checked in the main config_host.mak above 2424if test -n "$gdb_bin"; then 2425 echo "HAVE_GDB_BIN=$gdb_bin" >> $config_host_mak 2426fi 2427if test "$plugins" = "yes" ; then 2428 echo "CONFIG_PLUGIN=y" >> $config_host_mak 2429fi 2430 2431tcg_tests_targets= 2432for target in $target_list; do 2433 arch=${target%%-*} 2434 2435 case $target in 2436 xtensa*-linux-user) 2437 # the toolchain is not complete with headers, only build softmmu tests 2438 continue 2439 ;; 2440 *-softmmu) 2441 test -f "$source_path/tests/tcg/$arch/Makefile.softmmu-target" || continue 2442 qemu="qemu-system-$arch" 2443 ;; 2444 *-linux-user|*-bsd-user) 2445 qemu="qemu-$arch" 2446 ;; 2447 esac 2448 2449 if probe_target_compiler $target || test -n "$container_image"; then 2450 test -n "$container_image" && build_static=y 2451 mkdir -p "tests/tcg/$target" 2452 config_target_mak=tests/tcg/$target/config-target.mak 2453 ln -sf "$source_path/tests/tcg/Makefile.target" "tests/tcg/$target/Makefile" 2454 echo "# Automatically generated by configure - do not modify" > "$config_target_mak" 2455 echo "TARGET_NAME=$arch" >> "$config_target_mak" 2456 echo "TARGET=$target" >> "$config_target_mak" 2457 write_target_makefile "build-tcg-tests-$target" >> "$config_target_mak" 2458 echo "BUILD_STATIC=$build_static" >> "$config_target_mak" 2459 echo "QEMU=$PWD/$qemu" >> "$config_target_mak" 2460 2461 # will GDB work with these binaries? 2462 if test "${gdb_arches#*$arch}" != "$gdb_arches"; then 2463 echo "HOST_GDB_SUPPORTS_ARCH=y" >> "$config_target_mak" 2464 fi 2465 2466 echo "run-tcg-tests-$target: $qemu\$(EXESUF)" >> Makefile.prereqs 2467 tcg_tests_targets="$tcg_tests_targets $target" 2468 fi 2469done 2470 2471if test "$tcg" = "enabled"; then 2472 echo "TCG_TESTS_TARGETS=$tcg_tests_targets" >> config-host.mak 2473fi 2474) 2475 2476if test "$skip_meson" = no; then 2477 cross="config-meson.cross.new" 2478 meson_quote() { 2479 test $# = 0 && return 2480 echo "'$(echo $* | sed "s/ /','/g")'" 2481 } 2482 2483 echo "# Automatically generated by configure - do not modify" > $cross 2484 echo "[properties]" >> $cross 2485 2486 # unroll any custom device configs 2487 for a in $device_archs; do 2488 eval "c=\$devices_${a}" 2489 echo "${a}-softmmu = '$c'" >> $cross 2490 done 2491 2492 echo "[built-in options]" >> $cross 2493 echo "c_args = [$(meson_quote $CFLAGS $EXTRA_CFLAGS)]" >> $cross 2494 echo "cpp_args = [$(meson_quote $CXXFLAGS $EXTRA_CXXFLAGS)]" >> $cross 2495 test -n "$objcc" && echo "objc_args = [$(meson_quote $OBJCFLAGS $EXTRA_OBJCFLAGS)]" >> $cross 2496 echo "c_link_args = [$(meson_quote $CFLAGS $LDFLAGS $EXTRA_CFLAGS $EXTRA_LDFLAGS)]" >> $cross 2497 echo "cpp_link_args = [$(meson_quote $CXXFLAGS $LDFLAGS $EXTRA_CXXFLAGS $EXTRA_LDFLAGS)]" >> $cross 2498 echo "[binaries]" >> $cross 2499 echo "c = [$(meson_quote $cc $CPU_CFLAGS)]" >> $cross 2500 test -n "$cxx" && echo "cpp = [$(meson_quote $cxx $CPU_CFLAGS)]" >> $cross 2501 test -n "$objcc" && echo "objc = [$(meson_quote $objcc $CPU_CFLAGS)]" >> $cross 2502 echo "ar = [$(meson_quote $ar)]" >> $cross 2503 echo "nm = [$(meson_quote $nm)]" >> $cross 2504 echo "pkgconfig = [$(meson_quote $pkg_config)]" >> $cross 2505 echo "ranlib = [$(meson_quote $ranlib)]" >> $cross 2506 if has $sdl2_config; then 2507 echo "sdl2-config = [$(meson_quote $sdl2_config)]" >> $cross 2508 fi 2509 echo "strip = [$(meson_quote $strip)]" >> $cross 2510 echo "widl = [$(meson_quote $widl)]" >> $cross 2511 echo "windres = [$(meson_quote $windres)]" >> $cross 2512 echo "windmc = [$(meson_quote $windmc)]" >> $cross 2513 if test "$cross_compile" = "yes"; then 2514 cross_arg="--cross-file config-meson.cross" 2515 echo "[host_machine]" >> $cross 2516 echo "system = '$targetos'" >> $cross 2517 case "$cpu" in 2518 i386) 2519 echo "cpu_family = 'x86'" >> $cross 2520 ;; 2521 *) 2522 echo "cpu_family = '$cpu'" >> $cross 2523 ;; 2524 esac 2525 echo "cpu = '$cpu'" >> $cross 2526 if test "$bigendian" = "yes" ; then 2527 echo "endian = 'big'" >> $cross 2528 else 2529 echo "endian = 'little'" >> $cross 2530 fi 2531 else 2532 cross_arg="--native-file config-meson.cross" 2533 fi 2534 mv $cross config-meson.cross 2535 2536 rm -rf meson-private meson-info meson-logs 2537 2538 # Prevent meson from automatically downloading wrapped subprojects when missing. 2539 # You can use 'meson subprojects download' before running configure. 2540 meson_option_add "--wrap-mode=nodownload" 2541 2542 # Built-in options 2543 test "$bindir" != "bin" && meson_option_add "-Dbindir=$bindir" 2544 test "$default_feature" = no && meson_option_add -Dauto_features=disabled 2545 test "$static" = yes && meson_option_add -Dprefer_static=true 2546 test "$pie" = no && meson_option_add -Db_pie=false 2547 test "$werror" = yes && meson_option_add -Dwerror=true 2548 2549 # QEMU options 2550 test "$cfi" != false && meson_option_add "-Dcfi=$cfi" 2551 test "$docs" != auto && meson_option_add "-Ddocs=$docs" 2552 test "$fdt" != auto && meson_option_add "-Dfdt=$fdt" 2553 test -n "${LIB_FUZZING_ENGINE+xxx}" && meson_option_add "-Dfuzzing_engine=$LIB_FUZZING_ENGINE" 2554 test "$qemu_suffix" != qemu && meson_option_add "-Dqemu_suffix=$qemu_suffix" 2555 test "$smbd" != '' && meson_option_add "-Dsmbd=$smbd" 2556 test "$tcg" != enabled && meson_option_add "-Dtcg=$tcg" 2557 test "$vfio_user_server" != auto && meson_option_add "-Dvfio_user_server=$vfio_user_server" 2558 run_meson() { 2559 NINJA=$ninja $meson setup --prefix "$prefix" "$@" $cross_arg "$PWD" "$source_path" 2560 } 2561 eval run_meson $meson_options 2562 if test "$?" -ne 0 ; then 2563 error_exit "meson setup failed" 2564 fi 2565fi 2566 2567# Save the configure command line for later reuse. 2568cat <<EOD >config.status 2569#!/bin/sh 2570# Generated by configure. 2571# Run this file to recreate the current configuration. 2572# Compiler output produced by configure, useful for debugging 2573# configure, is in config.log if it exists. 2574EOD 2575 2576preserve_env() { 2577 envname=$1 2578 2579 eval envval=\$$envname 2580 2581 if test -n "$envval" 2582 then 2583 echo "$envname='$envval'" >> config.status 2584 echo "export $envname" >> config.status 2585 else 2586 echo "unset $envname" >> config.status 2587 fi 2588} 2589 2590# Preserve various env variables that influence what 2591# features/build target configure will detect 2592preserve_env AR 2593preserve_env AS 2594preserve_env CC 2595preserve_env CFLAGS 2596preserve_env CXX 2597preserve_env CXXFLAGS 2598preserve_env LD 2599preserve_env LDFLAGS 2600preserve_env LD_LIBRARY_PATH 2601preserve_env MAKE 2602preserve_env NM 2603preserve_env OBJCFLAGS 2604preserve_env OBJCOPY 2605preserve_env PATH 2606preserve_env PKG_CONFIG 2607preserve_env PKG_CONFIG_LIBDIR 2608preserve_env PKG_CONFIG_PATH 2609preserve_env PYTHON 2610preserve_env QEMU_GA_MANUFACTURER 2611preserve_env QEMU_GA_DISTRO 2612preserve_env QEMU_GA_VERSION 2613preserve_env SDL2_CONFIG 2614preserve_env SMBD 2615preserve_env STRIP 2616preserve_env WIDL 2617preserve_env WINDRES 2618preserve_env WINDMC 2619 2620printf "exec" >>config.status 2621for i in "$0" "$@"; do 2622 test "$i" = --skip-meson || printf " %s" "$(quote_sh "$i")" >>config.status 2623done 2624echo ' "$@"' >>config.status 2625chmod +x config.status 2626 2627rm -r "$TMPDIR1" 2628