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 mkdir build 35 touch $MARKER 36 37 cat > GNUmakefile <<'EOF' 38# This file is auto-generated by configure to support in-source tree 39# 'make' command invocation 40 41ifeq ($(MAKECMDGOALS),) 42recurse: all 43endif 44 45.NOTPARALLEL: % 46%: force 47 @echo 'changing dir to build for $(MAKE) "$(MAKECMDGOALS)"...' 48 @$(MAKE) -C build -f Makefile $(MAKECMDGOALS) 49 @if test "$(MAKECMDGOALS)" = "distclean" && \ 50 test -e build/auto-created-by-configure ; \ 51 then \ 52 rm -rf build GNUmakefile ; \ 53 fi 54force: ; 55.PHONY: force 56GNUmakefile: ; 57 58EOF 59 cd build 60 exec $source_path/configure "$@" 61fi 62 63# Temporary directory used for files created while 64# configure runs. Since it is in the build directory 65# we can safely blow away any previous version of it 66# (and we need not jump through hoops to try to delete 67# it when configure exits.) 68TMPDIR1="config-temp" 69rm -rf "${TMPDIR1}" 70mkdir -p "${TMPDIR1}" 71if [ $? -ne 0 ]; then 72 echo "ERROR: failed to create temporary directory" 73 exit 1 74fi 75 76TMPB="qemu-conf" 77TMPC="${TMPDIR1}/${TMPB}.c" 78TMPO="${TMPDIR1}/${TMPB}.o" 79TMPCXX="${TMPDIR1}/${TMPB}.cxx" 80TMPM="${TMPDIR1}/${TMPB}.m" 81TMPE="${TMPDIR1}/${TMPB}.exe" 82 83rm -f config.log 84 85# Print a helpful header at the top of config.log 86echo "# QEMU configure log $(date)" >> config.log 87printf "# Configured with:" >> config.log 88printf " '%s'" "$0" "$@" >> config.log 89echo >> config.log 90echo "#" >> config.log 91 92quote_sh() { 93 printf "%s" "$1" | sed "s,','\\\\'',g; s,.*,'&'," 94} 95 96print_error() { 97 (echo 98 echo "ERROR: $1" 99 while test -n "$2"; do 100 echo " $2" 101 shift 102 done 103 echo) >&2 104} 105 106error_exit() { 107 print_error "$@" 108 exit 1 109} 110 111do_compiler() { 112 # Run the compiler, capturing its output to the log. First argument 113 # is compiler binary to execute. 114 local compiler="$1" 115 shift 116 if test -n "$BASH_VERSION"; then eval ' 117 echo >>config.log " 118funcs: ${FUNCNAME[*]} 119lines: ${BASH_LINENO[*]}" 120 '; fi 121 echo $compiler "$@" >> config.log 122 $compiler "$@" >> config.log 2>&1 || return $? 123} 124 125do_compiler_werror() { 126 # Run the compiler, capturing its output to the log. First argument 127 # is compiler binary to execute. 128 compiler="$1" 129 shift 130 if test -n "$BASH_VERSION"; then eval ' 131 echo >>config.log " 132funcs: ${FUNCNAME[*]} 133lines: ${BASH_LINENO[*]}" 134 '; fi 135 echo $compiler "$@" >> config.log 136 $compiler "$@" >> config.log 2>&1 || return $? 137 # Test passed. If this is an --enable-werror build, rerun 138 # the test with -Werror and bail out if it fails. This 139 # makes warning-generating-errors in configure test code 140 # obvious to developers. 141 if test "$werror" != "yes"; then 142 return 0 143 fi 144 # Don't bother rerunning the compile if we were already using -Werror 145 case "$*" in 146 *-Werror*) 147 return 0 148 ;; 149 esac 150 echo $compiler -Werror "$@" >> config.log 151 $compiler -Werror "$@" >> config.log 2>&1 && return $? 152 error_exit "configure test passed without -Werror but failed with -Werror." \ 153 "This is probably a bug in the configure script. The failing command" \ 154 "will be at the bottom of config.log." \ 155 "You can run configure with --disable-werror to bypass this check." 156} 157 158do_cc() { 159 do_compiler_werror "$cc" $CPU_CFLAGS "$@" 160} 161 162do_cxx() { 163 do_compiler_werror "$cxx" $CPU_CFLAGS "$@" 164} 165 166do_objc() { 167 do_compiler_werror "$objcc" $CPU_CFLAGS "$@" 168} 169 170# Append $2 to the variable named $1, with space separation 171add_to() { 172 eval $1=\${$1:+\"\$$1 \"}\$2 173} 174 175update_cxxflags() { 176 # Set QEMU_CXXFLAGS from QEMU_CFLAGS by filtering out those 177 # options which some versions of GCC's C++ compiler complain about 178 # because they only make sense for C programs. 179 QEMU_CXXFLAGS="-D__STDC_LIMIT_MACROS -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS" 180 CONFIGURE_CXXFLAGS=$(echo "$CONFIGURE_CFLAGS" | sed s/-std=gnu11/-std=gnu++11/) 181 for arg in $QEMU_CFLAGS; do 182 case $arg in 183 -Wstrict-prototypes|-Wmissing-prototypes|-Wnested-externs|\ 184 -Wold-style-declaration|-Wold-style-definition|-Wredundant-decls) 185 ;; 186 *) 187 QEMU_CXXFLAGS=${QEMU_CXXFLAGS:+$QEMU_CXXFLAGS }$arg 188 ;; 189 esac 190 done 191} 192 193compile_object() { 194 local_cflags="$1" 195 do_cc $CFLAGS $EXTRA_CFLAGS $CONFIGURE_CFLAGS $QEMU_CFLAGS $local_cflags -c -o $TMPO $TMPC 196} 197 198compile_prog() { 199 local_cflags="$1" 200 local_ldflags="$2" 201 do_cc $CFLAGS $EXTRA_CFLAGS $CONFIGURE_CFLAGS $QEMU_CFLAGS $local_cflags -o $TMPE $TMPC \ 202 $LDFLAGS $EXTRA_LDFLAGS $CONFIGURE_LDFLAGS $QEMU_LDFLAGS $local_ldflags 203} 204 205# symbolically link $1 to $2. Portable version of "ln -sf". 206symlink() { 207 rm -rf "$2" 208 mkdir -p "$(dirname "$2")" 209 ln -s "$1" "$2" 210} 211 212# check whether a command is available to this shell (may be either an 213# executable or a builtin) 214has() { 215 type "$1" >/dev/null 2>&1 216} 217 218version_ge () { 219 local_ver1=$(expr "$1" : '\([0-9.]*\)' | tr . ' ') 220 local_ver2=$(echo "$2" | tr . ' ') 221 while true; do 222 set x $local_ver1 223 local_first=${2-0} 224 # 'shift 2' if $2 is set, or 'shift' if $2 is not set 225 shift ${2:+2} 226 local_ver1=$* 227 set x $local_ver2 228 # the second argument finished, the first must be greater or equal 229 test $# = 1 && return 0 230 test $local_first -lt $2 && return 1 231 test $local_first -gt $2 && return 0 232 shift ${2:+2} 233 local_ver2=$* 234 done 235} 236 237glob() { 238 eval test -z '"${1#'"$2"'}"' 239} 240 241if printf %s\\n "$source_path" "$PWD" | grep -q "[[:space:]:]"; 242then 243 error_exit "main directory cannot contain spaces nor colons" 244fi 245 246# default parameters 247cpu="" 248static="no" 249cross_compile="no" 250cross_prefix="" 251host_cc="cc" 252stack_protector="" 253safe_stack="" 254use_containers="yes" 255gdb_bin=$(command -v "gdb-multiarch" || command -v "gdb") 256 257if test -e "$source_path/.git" 258then 259 git_submodules_action="update" 260else 261 git_submodules_action="ignore" 262fi 263 264git_submodules="ui/keycodemapdb" 265git="git" 266 267# Don't accept a target_list environment variable. 268unset target_list 269unset target_list_exclude 270 271# Default value for a variable defining feature "foo". 272# * foo="no" feature will only be used if --enable-foo arg is given 273# * foo="" feature will be searched for, and if found, will be used 274# unless --disable-foo is given 275# * foo="yes" this value will only be set by --enable-foo flag. 276# feature will searched for, 277# if not found, configure exits with error 278# 279# Always add --enable-foo and --disable-foo command line args. 280# Distributions want to ensure that several features are compiled in, and it 281# is impossible without a --enable-foo that exits if a feature is not found. 282 283default_feature="" 284# parse CC options second 285for opt do 286 optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)') 287 case "$opt" in 288 --without-default-features) 289 default_feature="no" 290 ;; 291 esac 292done 293 294EXTRA_CFLAGS="" 295EXTRA_CXXFLAGS="" 296EXTRA_OBJCFLAGS="" 297EXTRA_LDFLAGS="" 298 299debug_tcg="no" 300sanitizers="no" 301tsan="no" 302fortify_source="yes" 303EXESUF="" 304modules="no" 305prefix="/usr/local" 306qemu_suffix="qemu" 307softmmu="yes" 308linux_user="" 309bsd_user="" 310pie="" 311coroutine="" 312plugins="$default_feature" 313meson="" 314meson_args="" 315ninja="" 316bindir="bin" 317skip_meson=no 318vfio_user_server="disabled" 319 320# The following Meson options are handled manually (still they 321# are included in the automatically generated help message) 322 323# 1. Track which submodules are needed 324if test "$default_feature" = no ; then 325 slirp="disabled" 326else 327 slirp="auto" 328fi 329fdt="auto" 330 331# 2. Automatically enable/disable other options 332tcg="auto" 333cfi="false" 334 335# parse CC options second 336for opt do 337 optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)') 338 case "$opt" in 339 --cross-prefix=*) cross_prefix="$optarg" 340 cross_compile="yes" 341 ;; 342 --cc=*) CC="$optarg" 343 ;; 344 --cxx=*) CXX="$optarg" 345 ;; 346 --cpu=*) cpu="$optarg" 347 ;; 348 --extra-cflags=*) 349 EXTRA_CFLAGS="$EXTRA_CFLAGS $optarg" 350 EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS $optarg" 351 EXTRA_OBJCFLAGS="$EXTRA_OBJCFLAGS $optarg" 352 ;; 353 --extra-cxxflags=*) EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS $optarg" 354 ;; 355 --extra-objcflags=*) EXTRA_OBJCFLAGS="$EXTRA_OBJCFLAGS $optarg" 356 ;; 357 --extra-ldflags=*) EXTRA_LDFLAGS="$EXTRA_LDFLAGS $optarg" 358 ;; 359 --cross-cc-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-cc-FOO option" 360 ;; 361 --cross-cc-cflags-*) cc_arch=${opt#--cross-cc-cflags-}; cc_arch=${cc_arch%%=*} 362 eval "cross_cc_cflags_${cc_arch}=\$optarg" 363 ;; 364 --cross-cc-*) cc_arch=${opt#--cross-cc-}; cc_arch=${cc_arch%%=*} 365 eval "cross_cc_${cc_arch}=\$optarg" 366 ;; 367 --cross-prefix-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-prefix-FOO option" 368 ;; 369 --cross-prefix-*) cc_arch=${opt#--cross-prefix-}; cc_arch=${cc_arch%%=*} 370 eval "cross_prefix_${cc_arch}=\$optarg" 371 ;; 372 esac 373done 374# OS specific 375# Using uname is really, really broken. Once we have the right set of checks 376# we can eliminate its usage altogether. 377 378# Preferred compiler: 379# ${CC} (if set) 380# ${cross_prefix}gcc (if cross-prefix specified) 381# system compiler 382if test -z "${CC}${cross_prefix}"; then 383 cc="$host_cc" 384else 385 cc="${CC-${cross_prefix}gcc}" 386fi 387 388if test -z "${CXX}${cross_prefix}"; then 389 cxx="c++" 390else 391 cxx="${CXX-${cross_prefix}g++}" 392fi 393 394ar="${AR-${cross_prefix}ar}" 395as="${AS-${cross_prefix}as}" 396ccas="${CCAS-$cc}" 397objcopy="${OBJCOPY-${cross_prefix}objcopy}" 398ld="${LD-${cross_prefix}ld}" 399ranlib="${RANLIB-${cross_prefix}ranlib}" 400nm="${NM-${cross_prefix}nm}" 401smbd="$SMBD" 402strip="${STRIP-${cross_prefix}strip}" 403widl="${WIDL-${cross_prefix}widl}" 404windres="${WINDRES-${cross_prefix}windres}" 405pkg_config_exe="${PKG_CONFIG-${cross_prefix}pkg-config}" 406query_pkg_config() { 407 "${pkg_config_exe}" ${QEMU_PKG_CONFIG_FLAGS} "$@" 408} 409pkg_config=query_pkg_config 410sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}" 411 412# default flags for all hosts 413# We use -fwrapv to tell the compiler that we require a C dialect where 414# left shift of signed integers is well defined and has the expected 415# 2s-complement style results. (Both clang and gcc agree that it 416# provides these semantics.) 417QEMU_CFLAGS="-fno-strict-aliasing -fno-common -fwrapv" 418QEMU_CFLAGS="-Wundef -Wwrite-strings -Wmissing-prototypes $QEMU_CFLAGS" 419QEMU_CFLAGS="-Wstrict-prototypes -Wredundant-decls $QEMU_CFLAGS" 420QEMU_CFLAGS="-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE $QEMU_CFLAGS" 421 422QEMU_LDFLAGS= 423 424# Flags that are needed during configure but later taken care of by Meson 425CONFIGURE_CFLAGS="-std=gnu11 -Wall" 426CONFIGURE_LDFLAGS= 427 428 429check_define() { 430cat > $TMPC <<EOF 431#if !defined($1) 432#error $1 not defined 433#endif 434int main(void) { return 0; } 435EOF 436 compile_object 437} 438 439check_include() { 440cat > $TMPC <<EOF 441#include <$1> 442int main(void) { return 0; } 443EOF 444 compile_object 445} 446 447write_c_skeleton() { 448 cat > $TMPC <<EOF 449int main(void) { return 0; } 450EOF 451} 452 453if check_define __linux__ ; then 454 targetos=linux 455elif check_define _WIN32 ; then 456 targetos=windows 457elif check_define __OpenBSD__ ; then 458 targetos=openbsd 459elif check_define __sun__ ; then 460 targetos=sunos 461elif check_define __HAIKU__ ; then 462 targetos=haiku 463elif check_define __FreeBSD__ ; then 464 targetos=freebsd 465elif check_define __FreeBSD_kernel__ && check_define __GLIBC__; then 466 targetos=gnu/kfreebsd 467elif check_define __DragonFly__ ; then 468 targetos=dragonfly 469elif check_define __NetBSD__; then 470 targetos=netbsd 471elif check_define __APPLE__; then 472 targetos=darwin 473else 474 # This is a fatal error, but don't report it yet, because we 475 # might be going to just print the --help text, or it might 476 # be the result of a missing compiler. 477 targetos=bogus 478fi 479 480# OS specific 481 482mingw32="no" 483bsd="no" 484linux="no" 485solaris="no" 486case $targetos in 487windows) 488 mingw32="yes" 489 plugins="no" 490 pie="no" 491;; 492gnu/kfreebsd) 493 bsd="yes" 494;; 495freebsd) 496 bsd="yes" 497 make="${MAKE-gmake}" 498 # needed for kinfo_getvmmap(3) in libutil.h 499;; 500dragonfly) 501 bsd="yes" 502 make="${MAKE-gmake}" 503;; 504netbsd) 505 bsd="yes" 506 make="${MAKE-gmake}" 507;; 508openbsd) 509 bsd="yes" 510 make="${MAKE-gmake}" 511;; 512darwin) 513 bsd="yes" 514 darwin="yes" 515 # Disable attempts to use ObjectiveC features in os/object.h since they 516 # won't work when we're compiling with gcc as a C compiler. 517 QEMU_CFLAGS="-DOS_OBJECT_USE_OBJC=0 $QEMU_CFLAGS" 518;; 519sunos) 520 solaris="yes" 521 make="${MAKE-gmake}" 522# needed for CMSG_ macros in sys/socket.h 523 QEMU_CFLAGS="-D_XOPEN_SOURCE=600 $QEMU_CFLAGS" 524# needed for TIOCWIN* defines in termios.h 525 QEMU_CFLAGS="-D__EXTENSIONS__ $QEMU_CFLAGS" 526 # $(uname -m) returns i86pc even on an x86_64 box, so default based on isainfo 527 # Note that this check is broken for cross-compilation: if you're 528 # cross-compiling to one of these OSes then you'll need to specify 529 # the correct CPU with the --cpu option. 530 if test -z "$cpu" && test "$(isainfo -k)" = "amd64"; then 531 cpu="x86_64" 532 fi 533;; 534haiku) 535 pie="no" 536 QEMU_CFLAGS="-DB_USE_POSITIVE_POSIX_ERRORS -D_BSD_SOURCE -fPIC $QEMU_CFLAGS" 537;; 538linux) 539 linux="yes" 540;; 541esac 542 543if test ! -z "$cpu" ; then 544 # command line argument 545 : 546elif check_define __i386__ ; then 547 cpu="i386" 548elif check_define __x86_64__ ; then 549 if check_define __ILP32__ ; then 550 cpu="x32" 551 else 552 cpu="x86_64" 553 fi 554elif check_define __sparc__ ; then 555 if check_define __arch64__ ; then 556 cpu="sparc64" 557 else 558 cpu="sparc" 559 fi 560elif check_define _ARCH_PPC ; then 561 if check_define _ARCH_PPC64 ; then 562 if check_define _LITTLE_ENDIAN ; then 563 cpu="ppc64le" 564 else 565 cpu="ppc64" 566 fi 567 else 568 cpu="ppc" 569 fi 570elif check_define __mips__ ; then 571 cpu="mips" 572elif check_define __s390__ ; then 573 if check_define __s390x__ ; then 574 cpu="s390x" 575 else 576 cpu="s390" 577 fi 578elif check_define __riscv ; then 579 cpu="riscv" 580elif check_define __arm__ ; then 581 cpu="arm" 582elif check_define __aarch64__ ; then 583 cpu="aarch64" 584elif check_define __loongarch64 ; then 585 cpu="loongarch64" 586else 587 cpu=$(uname -m) 588fi 589 590# Normalise host CPU name, set multilib cflags 591# Note that this case should only have supported host CPUs, not guests. 592case "$cpu" in 593 armv*b|armv*l|arm) 594 cpu="arm" ;; 595 596 i386|i486|i586|i686|i86pc|BePC) 597 cpu="i386" 598 CPU_CFLAGS="-m32" ;; 599 x32) 600 cpu="x86_64" 601 CPU_CFLAGS="-mx32" ;; 602 x86_64|amd64) 603 cpu="x86_64" 604 # ??? Only extremely old AMD cpus do not have cmpxchg16b. 605 # If we truly care, we should simply detect this case at 606 # runtime and generate the fallback to serial emulation. 607 CPU_CFLAGS="-m64 -mcx16" ;; 608 609 mips*) 610 cpu="mips" ;; 611 612 ppc) 613 CPU_CFLAGS="-m32" ;; 614 ppc64) 615 CPU_CFLAGS="-m64 -mbig-endian" ;; 616 ppc64le) 617 cpu="ppc64" 618 CPU_CFLAGS="-m64 -mlittle-endian" ;; 619 620 s390) 621 CPU_CFLAGS="-m31" ;; 622 s390x) 623 CPU_CFLAGS="-m64" ;; 624 625 sparc|sun4[cdmuv]) 626 cpu="sparc" 627 CPU_CFLAGS="-m32 -mv8plus -mcpu=ultrasparc" ;; 628 sparc64) 629 CPU_CFLAGS="-m64 -mcpu=ultrasparc" ;; 630esac 631 632: ${make=${MAKE-make}} 633 634# We prefer python 3.x. A bare 'python' is traditionally 635# python 2.x, but some distros have it as python 3.x, so 636# we check that too 637python= 638explicit_python=no 639for binary in "${PYTHON-python3}" python 640do 641 if has "$binary" 642 then 643 python=$(command -v "$binary") 644 break 645 fi 646done 647 648 649# Check for ancillary tools used in testing 650genisoimage= 651for binary in genisoimage mkisofs 652do 653 if has $binary 654 then 655 genisoimage=$(command -v "$binary") 656 break 657 fi 658done 659 660# Default objcc to clang if available, otherwise use CC 661if has clang; then 662 objcc=clang 663else 664 objcc="$cc" 665fi 666 667if test "$mingw32" = "yes" ; then 668 EXESUF=".exe" 669 # MinGW needs -mthreads for TLS and macro _MT. 670 CONFIGURE_CFLAGS="-mthreads $CONFIGURE_CFLAGS" 671 write_c_skeleton; 672 prefix="/qemu" 673 bindir="" 674 qemu_suffix="" 675fi 676 677werror="" 678 679meson_option_build_array() { 680 printf '[' 681 (if test "$targetos" = windows; then 682 IFS=\; 683 else 684 IFS=: 685 fi 686 for e in $1; do 687 printf '"""' 688 # backslash escape any '\' and '"' characters 689 printf "%s" "$e" | sed -e 's/\([\"]\)/\\\1/g' 690 printf '""",' 691 done) 692 printf ']\n' 693} 694 695. $source_path/scripts/meson-buildoptions.sh 696 697meson_options= 698meson_option_add() { 699 meson_options="$meson_options $(quote_sh "$1")" 700} 701meson_option_parse() { 702 meson_options="$meson_options $(_meson_option_parse "$@")" 703 if test $? -eq 1; then 704 echo "ERROR: unknown option $1" 705 echo "Try '$0 --help' for more information" 706 exit 1 707 fi 708} 709 710for opt do 711 optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)') 712 case "$opt" in 713 --help|-h) show_help=yes 714 ;; 715 --version|-V) exec cat $source_path/VERSION 716 ;; 717 --prefix=*) prefix="$optarg" 718 ;; 719 --cross-prefix=*) 720 ;; 721 --cc=*) 722 ;; 723 --host-cc=*) host_cc="$optarg" 724 ;; 725 --cxx=*) 726 ;; 727 --objcc=*) objcc="$optarg" 728 ;; 729 --make=*) make="$optarg" 730 ;; 731 --install=*) 732 ;; 733 --python=*) python="$optarg" ; explicit_python=yes 734 ;; 735 --skip-meson) skip_meson=yes 736 ;; 737 --meson=*) meson="$optarg" 738 ;; 739 --ninja=*) ninja="$optarg" 740 ;; 741 --smbd=*) smbd="$optarg" 742 ;; 743 --extra-cflags=*) 744 ;; 745 --extra-cxxflags=*) 746 ;; 747 --extra-objcflags=*) 748 ;; 749 --extra-ldflags=*) 750 ;; 751 --cross-cc-*) 752 ;; 753 --cross-prefix-*) 754 ;; 755 --enable-debug-info) meson_option_add -Ddebug=true 756 ;; 757 --disable-debug-info) meson_option_add -Ddebug=false 758 ;; 759 --enable-modules) 760 modules="yes" 761 ;; 762 --disable-modules) 763 modules="no" 764 ;; 765 --cpu=*) 766 ;; 767 --target-list=*) target_list="$optarg" 768 if test "$target_list_exclude"; then 769 error_exit "Can't mix --target-list with --target-list-exclude" 770 fi 771 ;; 772 --target-list-exclude=*) target_list_exclude="$optarg" 773 if test "$target_list"; then 774 error_exit "Can't mix --target-list-exclude with --target-list" 775 fi 776 ;; 777 --with-default-devices) meson_option_add -Ddefault_devices=true 778 ;; 779 --without-default-devices) meson_option_add -Ddefault_devices=false 780 ;; 781 --with-devices-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --with-devices-FOO option" 782 ;; 783 --with-devices-*) device_arch=${opt#--with-devices-}; 784 device_arch=${device_arch%%=*} 785 cf=$source_path/configs/devices/$device_arch-softmmu/$optarg.mak 786 if test -f "$cf"; then 787 device_archs="$device_archs $device_arch" 788 eval "devices_${device_arch}=\$optarg" 789 else 790 error_exit "File $cf does not exist" 791 fi 792 ;; 793 --without-default-features) # processed above 794 ;; 795 --static) 796 static="yes" 797 QEMU_PKG_CONFIG_FLAGS="--static $QEMU_PKG_CONFIG_FLAGS" 798 ;; 799 --bindir=*) bindir="$optarg" 800 ;; 801 --with-suffix=*) qemu_suffix="$optarg" 802 ;; 803 --host=*|--build=*|\ 804 --disable-dependency-tracking|\ 805 --sbindir=*|--sharedstatedir=*|\ 806 --oldincludedir=*|--datarootdir=*|--infodir=*|\ 807 --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*) 808 # These switches are silently ignored, for compatibility with 809 # autoconf-generated configure scripts. This allows QEMU's 810 # configure to be used by RPM and similar macros that set 811 # lots of directory switches by default. 812 ;; 813 --enable-debug-tcg) debug_tcg="yes" 814 ;; 815 --disable-debug-tcg) debug_tcg="no" 816 ;; 817 --enable-debug) 818 # Enable debugging options that aren't excessively noisy 819 debug_tcg="yes" 820 meson_option_parse --enable-debug-mutex "" 821 meson_option_add -Doptimization=0 822 fortify_source="no" 823 ;; 824 --enable-sanitizers) sanitizers="yes" 825 ;; 826 --disable-sanitizers) sanitizers="no" 827 ;; 828 --enable-tsan) tsan="yes" 829 ;; 830 --disable-tsan) tsan="no" 831 ;; 832 --disable-slirp) slirp="disabled" 833 ;; 834 --enable-slirp) slirp="enabled" 835 ;; 836 --enable-slirp=git) slirp="internal" 837 ;; 838 --enable-slirp=*) slirp="$optarg" 839 ;; 840 --disable-tcg) tcg="disabled" 841 plugins="no" 842 ;; 843 --enable-tcg) tcg="enabled" 844 ;; 845 --disable-system) softmmu="no" 846 ;; 847 --enable-system) softmmu="yes" 848 ;; 849 --disable-user) 850 linux_user="no" ; 851 bsd_user="no" ; 852 ;; 853 --enable-user) ;; 854 --disable-linux-user) linux_user="no" 855 ;; 856 --enable-linux-user) linux_user="yes" 857 ;; 858 --disable-bsd-user) bsd_user="no" 859 ;; 860 --enable-bsd-user) bsd_user="yes" 861 ;; 862 --enable-pie) pie="yes" 863 ;; 864 --disable-pie) pie="no" 865 ;; 866 --enable-werror) werror="yes" 867 ;; 868 --disable-werror) werror="no" 869 ;; 870 --enable-stack-protector) stack_protector="yes" 871 ;; 872 --disable-stack-protector) stack_protector="no" 873 ;; 874 --enable-safe-stack) safe_stack="yes" 875 ;; 876 --disable-safe-stack) safe_stack="no" 877 ;; 878 --enable-cfi) 879 cfi="true"; 880 meson_option_add -Db_lto=true 881 ;; 882 --disable-cfi) cfi="false" 883 ;; 884 --disable-fdt) fdt="disabled" 885 ;; 886 --enable-fdt) fdt="enabled" 887 ;; 888 --enable-fdt=git) fdt="internal" 889 ;; 890 --enable-fdt=*) fdt="$optarg" 891 ;; 892 --with-coroutine=*) coroutine="$optarg" 893 ;; 894 --disable-zlib-test) 895 ;; 896 --disable-virtio-blk-data-plane|--enable-virtio-blk-data-plane) 897 echo "$0: $opt is obsolete, virtio-blk data-plane is always on" >&2 898 ;; 899 --enable-vhdx|--disable-vhdx) 900 echo "$0: $opt is obsolete, VHDX driver is always built" >&2 901 ;; 902 --enable-uuid|--disable-uuid) 903 echo "$0: $opt is obsolete, UUID support is always built" >&2 904 ;; 905 --with-git=*) git="$optarg" 906 ;; 907 --with-git-submodules=*) 908 git_submodules_action="$optarg" 909 ;; 910 --enable-plugins) if test "$mingw32" = "yes"; then 911 error_exit "TCG plugins not currently supported on Windows platforms" 912 else 913 plugins="yes" 914 fi 915 ;; 916 --disable-plugins) plugins="no" 917 ;; 918 --enable-containers) use_containers="yes" 919 ;; 920 --disable-containers) use_containers="no" 921 ;; 922 --gdb=*) gdb_bin="$optarg" 923 ;; 924 # backwards compatibility options 925 --enable-trace-backend=*) meson_option_parse "--enable-trace-backends=$optarg" "$optarg" 926 ;; 927 --disable-blobs) meson_option_parse --disable-install-blobs "" 928 ;; 929 --enable-vfio-user-server) vfio_user_server="enabled" 930 ;; 931 --disable-vfio-user-server) vfio_user_server="disabled" 932 ;; 933 --enable-tcmalloc) meson_option_parse --enable-malloc=tcmalloc tcmalloc 934 ;; 935 --enable-jemalloc) meson_option_parse --enable-malloc=jemalloc jemalloc 936 ;; 937 # everything else has the same name in configure and meson 938 --*) meson_option_parse "$opt" "$optarg" 939 ;; 940 esac 941done 942 943# test for any invalid configuration combinations 944if test "$plugins" = "yes" -a "$tcg" = "disabled"; then 945 error_exit "Can't enable plugins on non-TCG builds" 946fi 947 948case $git_submodules_action in 949 update|validate) 950 if test ! -e "$source_path/.git"; then 951 echo "ERROR: cannot $git_submodules_action git submodules without .git" 952 exit 1 953 fi 954 ;; 955 ignore) 956 if ! test -f "$source_path/ui/keycodemapdb/README" 957 then 958 echo 959 echo "ERROR: missing GIT submodules" 960 echo 961 if test -e "$source_path/.git"; then 962 echo "--with-git-submodules=ignore specified but submodules were not" 963 echo "checked out. Please initialize and update submodules." 964 else 965 echo "This is not a GIT checkout but module content appears to" 966 echo "be missing. Do not use 'git archive' or GitHub download links" 967 echo "to acquire QEMU source archives. Non-GIT builds are only" 968 echo "supported with source archives linked from:" 969 echo 970 echo " https://www.qemu.org/download/#source" 971 echo 972 echo "Developers working with GIT can use scripts/archive-source.sh" 973 echo "if they need to create valid source archives." 974 fi 975 echo 976 exit 1 977 fi 978 ;; 979 *) 980 echo "ERROR: invalid --with-git-submodules= value '$git_submodules_action'" 981 exit 1 982 ;; 983esac 984 985default_target_list="" 986mak_wilds="" 987 988if [ "$linux_user" != no ]; then 989 if [ "$targetos" = linux ] && [ -d $source_path/linux-user/include/host/$cpu ]; then 990 linux_user=yes 991 elif [ "$linux_user" = yes ]; then 992 error_exit "linux-user not supported on this architecture" 993 fi 994fi 995if [ "$bsd_user" != no ]; then 996 if [ "$bsd_user" = "" ]; then 997 test $targetos = freebsd && bsd_user=yes 998 fi 999 if [ "$bsd_user" = yes ] && ! [ -d $source_path/bsd-user/$targetos ]; then 1000 error_exit "bsd-user not supported on this host OS" 1001 fi 1002fi 1003if [ "$softmmu" = "yes" ]; then 1004 mak_wilds="${mak_wilds} $source_path/configs/targets/*-softmmu.mak" 1005fi 1006if [ "$linux_user" = "yes" ]; then 1007 mak_wilds="${mak_wilds} $source_path/configs/targets/*-linux-user.mak" 1008fi 1009if [ "$bsd_user" = "yes" ]; then 1010 mak_wilds="${mak_wilds} $source_path/configs/targets/*-bsd-user.mak" 1011fi 1012 1013for config in $mak_wilds; do 1014 target="$(basename "$config" .mak)" 1015 if echo "$target_list_exclude" | grep -vq "$target"; then 1016 default_target_list="${default_target_list} $target" 1017 fi 1018done 1019 1020if test x"$show_help" = x"yes" ; then 1021cat << EOF 1022 1023Usage: configure [options] 1024Options: [defaults in brackets after descriptions] 1025 1026Standard options: 1027 --help print this message 1028 --prefix=PREFIX install in PREFIX [$prefix] 1029 --target-list=LIST set target list (default: build all) 1030$(echo Available targets: $default_target_list | \ 1031 fold -s -w 53 | sed -e 's/^/ /') 1032 --target-list-exclude=LIST exclude a set of targets from the default target-list 1033 1034Advanced options (experts only): 1035 --cross-prefix=PREFIX use PREFIX for compile tools, PREFIX can be blank [$cross_prefix] 1036 --cc=CC use C compiler CC [$cc] 1037 --host-cc=CC use C compiler CC [$host_cc] for code run at 1038 build time 1039 --cxx=CXX use C++ compiler CXX [$cxx] 1040 --objcc=OBJCC use Objective-C compiler OBJCC [$objcc] 1041 --extra-cflags=CFLAGS append extra C compiler flags CFLAGS 1042 --extra-cxxflags=CXXFLAGS append extra C++ compiler flags CXXFLAGS 1043 --extra-objcflags=OBJCFLAGS append extra Objective C compiler flags OBJCFLAGS 1044 --extra-ldflags=LDFLAGS append extra linker flags LDFLAGS 1045 --cross-cc-ARCH=CC use compiler when building ARCH guest test cases 1046 --cross-cc-cflags-ARCH= use compiler flags when building ARCH guest tests 1047 --cross-prefix-ARCH=PREFIX cross compiler prefix when building ARCH guest test cases 1048 --make=MAKE use specified make [$make] 1049 --python=PYTHON use specified python [$python] 1050 --meson=MESON use specified meson [$meson] 1051 --ninja=NINJA use specified ninja [$ninja] 1052 --smbd=SMBD use specified smbd [$smbd] 1053 --with-git=GIT use specified git [$git] 1054 --with-git-submodules=update update git submodules (default if .git dir exists) 1055 --with-git-submodules=validate fail if git submodules are not up to date 1056 --with-git-submodules=ignore do not update or check git submodules (default if no .git dir) 1057 --static enable static build [$static] 1058 --bindir=PATH install binaries in PATH 1059 --with-suffix=SUFFIX suffix for QEMU data inside datadir/libdir/sysconfdir/docdir [$qemu_suffix] 1060 --without-default-features default all --enable-* options to "disabled" 1061 --without-default-devices do not include any device that is not needed to 1062 start the emulator (only use if you are including 1063 desired devices in configs/devices/) 1064 --with-devices-ARCH=NAME override default configs/devices 1065 --enable-debug enable common debug build options 1066 --enable-sanitizers enable default sanitizers 1067 --enable-tsan enable thread sanitizer 1068 --disable-werror disable compilation abort on warning 1069 --disable-stack-protector disable compiler-provided stack protection 1070 --cpu=CPU Build for host CPU [$cpu] 1071 --with-coroutine=BACKEND coroutine backend. Supported options: 1072 ucontext, sigaltstack, windows 1073 --enable-plugins 1074 enable plugins via shared library loading 1075 --disable-containers don't use containers for cross-building 1076 --gdb=GDB-path gdb to use for gdbstub tests [$gdb_bin] 1077EOF 1078 meson_options_help 1079cat << EOF 1080 system all system emulation targets 1081 user supported user emulation targets 1082 linux-user all linux usermode emulation targets 1083 bsd-user all BSD usermode emulation targets 1084 pie Position Independent Executables 1085 modules modules support (non-Windows) 1086 debug-tcg TCG debugging (default is disabled) 1087 debug-info debugging information 1088 safe-stack SafeStack Stack Smash Protection. Depends on 1089 clang/llvm >= 3.7 and requires coroutine backend ucontext. 1090 1091NOTE: The object files are built at the place where configure is launched 1092EOF 1093exit 0 1094fi 1095 1096# Remove old dependency files to make sure that they get properly regenerated 1097rm -f */config-devices.mak.d 1098 1099if test -z "$python" 1100then 1101 error_exit "Python not found. Use --python=/path/to/python" 1102fi 1103if ! has "$make" 1104then 1105 error_exit "GNU make ($make) not found" 1106fi 1107 1108# Note that if the Python conditional here evaluates True we will exit 1109# with status 1 which is a shell 'false' value. 1110if ! $python -c 'import sys; sys.exit(sys.version_info < (3,6))'; then 1111 error_exit "Cannot use '$python', Python >= 3.6 is required." \ 1112 "Use --python=/path/to/python to specify a supported Python." 1113fi 1114 1115# Preserve python version since some functionality is dependent on it 1116python_version=$($python -c 'import sys; print("%d.%d.%d" % (sys.version_info[0], sys.version_info[1], sys.version_info[2]))' 2>/dev/null) 1117 1118# Suppress writing compiled files 1119python="$python -B" 1120 1121if test -z "$meson"; then 1122 if test "$explicit_python" = no && has meson && version_ge "$(meson --version)" 0.59.3; then 1123 meson=meson 1124 elif test $git_submodules_action != 'ignore' ; then 1125 meson=git 1126 elif test -e "${source_path}/meson/meson.py" ; then 1127 meson=internal 1128 else 1129 if test "$explicit_python" = yes; then 1130 error_exit "--python requires using QEMU's embedded Meson distribution, but it was not found." 1131 else 1132 error_exit "Meson not found. Use --meson=/path/to/meson" 1133 fi 1134 fi 1135else 1136 # Meson uses its own Python interpreter to invoke other Python scripts, 1137 # but the user wants to use the one they specified with --python. 1138 # 1139 # We do not want to override the distro Python interpreter (and sometimes 1140 # cannot: for example in Homebrew /usr/bin/meson is a bash script), so 1141 # just require --meson=git|internal together with --python. 1142 if test "$explicit_python" = yes; then 1143 case "$meson" in 1144 git | internal) ;; 1145 *) error_exit "--python requires using QEMU's embedded Meson distribution." ;; 1146 esac 1147 fi 1148fi 1149 1150if test "$meson" = git; then 1151 git_submodules="${git_submodules} meson" 1152fi 1153 1154case "$meson" in 1155 git | internal) 1156 meson="$python ${source_path}/meson/meson.py" 1157 ;; 1158 *) meson=$(command -v "$meson") ;; 1159esac 1160 1161# Probe for ninja 1162 1163if test -z "$ninja"; then 1164 for c in ninja ninja-build samu; do 1165 if has $c; then 1166 ninja=$(command -v "$c") 1167 break 1168 fi 1169 done 1170 if test -z "$ninja"; then 1171 error_exit "Cannot find Ninja" 1172 fi 1173fi 1174 1175# Check that the C compiler works. Doing this here before testing 1176# the host CPU ensures that we had a valid CC to autodetect the 1177# $cpu var (and we should bail right here if that's not the case). 1178# It also allows the help message to be printed without a CC. 1179write_c_skeleton; 1180if compile_object ; then 1181 : C compiler works ok 1182else 1183 error_exit "\"$cc\" either does not exist or does not work" 1184fi 1185if ! compile_prog ; then 1186 error_exit "\"$cc\" cannot build an executable (is your linker broken?)" 1187fi 1188 1189# Consult white-list to determine whether to enable werror 1190# by default. Only enable by default for git builds 1191if test -z "$werror" ; then 1192 if test "$git_submodules_action" != "ignore" && \ 1193 { test "$linux" = "yes" || test "$mingw32" = "yes"; }; then 1194 werror="yes" 1195 else 1196 werror="no" 1197 fi 1198fi 1199 1200if test "$targetos" = "bogus"; then 1201 # Now that we know that we're not printing the help and that 1202 # the compiler works (so the results of the check_defines we used 1203 # to identify the OS are reliable), if we didn't recognize the 1204 # host OS we should stop now. 1205 error_exit "Unrecognized host OS (uname -s reports '$(uname -s)')" 1206fi 1207 1208# Check whether the compiler matches our minimum requirements: 1209cat > $TMPC << EOF 1210#if defined(__clang_major__) && defined(__clang_minor__) 1211# ifdef __apple_build_version__ 1212# if __clang_major__ < 10 || (__clang_major__ == 10 && __clang_minor__ < 0) 1213# error You need at least XCode Clang v10.0 to compile QEMU 1214# endif 1215# else 1216# if __clang_major__ < 6 || (__clang_major__ == 6 && __clang_minor__ < 0) 1217# error You need at least Clang v6.0 to compile QEMU 1218# endif 1219# endif 1220#elif defined(__GNUC__) && defined(__GNUC_MINOR__) 1221# if __GNUC__ < 7 || (__GNUC__ == 7 && __GNUC_MINOR__ < 4) 1222# error You need at least GCC v7.4.0 to compile QEMU 1223# endif 1224#else 1225# error You either need GCC or Clang to compiler QEMU 1226#endif 1227int main (void) { return 0; } 1228EOF 1229if ! compile_prog "" "" ; then 1230 error_exit "You need at least GCC v7.4 or Clang v6.0 (or XCode Clang v10.0)" 1231fi 1232 1233# Accumulate -Wfoo and -Wno-bar separately. 1234# We will list all of the enable flags first, and the disable flags second. 1235# Note that we do not add -Werror, because that would enable it for all 1236# configure tests. If a configure test failed due to -Werror this would 1237# just silently disable some features, so it's too error prone. 1238 1239warn_flags= 1240add_to warn_flags -Wold-style-declaration 1241add_to warn_flags -Wold-style-definition 1242add_to warn_flags -Wtype-limits 1243add_to warn_flags -Wformat-security 1244add_to warn_flags -Wformat-y2k 1245add_to warn_flags -Winit-self 1246add_to warn_flags -Wignored-qualifiers 1247add_to warn_flags -Wempty-body 1248add_to warn_flags -Wnested-externs 1249add_to warn_flags -Wendif-labels 1250add_to warn_flags -Wexpansion-to-defined 1251add_to warn_flags -Wimplicit-fallthrough=2 1252 1253nowarn_flags= 1254add_to nowarn_flags -Wno-initializer-overrides 1255add_to nowarn_flags -Wno-missing-include-dirs 1256add_to nowarn_flags -Wno-shift-negative-value 1257add_to nowarn_flags -Wno-string-plus-int 1258add_to nowarn_flags -Wno-typedef-redefinition 1259add_to nowarn_flags -Wno-tautological-type-limit-compare 1260add_to nowarn_flags -Wno-psabi 1261add_to nowarn_flags -Wno-gnu-variable-sized-type-not-at-end 1262 1263gcc_flags="$warn_flags $nowarn_flags" 1264 1265cc_has_warning_flag() { 1266 write_c_skeleton; 1267 1268 # Use the positive sense of the flag when testing for -Wno-wombat 1269 # support (gcc will happily accept the -Wno- form of unknown 1270 # warning options). 1271 optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')" 1272 compile_prog "-Werror $optflag" "" 1273} 1274 1275objcc_has_warning_flag() { 1276 cat > $TMPM <<EOF 1277int main(void) { return 0; } 1278EOF 1279 1280 # Use the positive sense of the flag when testing for -Wno-wombat 1281 # support (gcc will happily accept the -Wno- form of unknown 1282 # warning options). 1283 optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')" 1284 do_objc -Werror $optflag \ 1285 $OBJCFLAGS $EXTRA_OBJCFLAGS $CONFIGURE_OBJCFLAGS $QEMU_OBJCFLAGS \ 1286 -o $TMPE $TMPM $QEMU_LDFLAGS 1287} 1288 1289for flag in $gcc_flags; do 1290 if cc_has_warning_flag $flag ; then 1291 QEMU_CFLAGS="$QEMU_CFLAGS $flag" 1292 fi 1293 if objcc_has_warning_flag $flag ; then 1294 QEMU_OBJCFLAGS="$QEMU_OBJCFLAGS $flag" 1295 fi 1296done 1297 1298if test "$stack_protector" != "no"; then 1299 cat > $TMPC << EOF 1300int main(int argc, char *argv[]) 1301{ 1302 char arr[64], *p = arr, *c = argv[0]; 1303 while (*c) { 1304 *p++ = *c++; 1305 } 1306 return 0; 1307} 1308EOF 1309 gcc_flags="-fstack-protector-strong -fstack-protector-all" 1310 sp_on=0 1311 for flag in $gcc_flags; do 1312 # We need to check both a compile and a link, since some compiler 1313 # setups fail only on a .c->.o compile and some only at link time 1314 if compile_object "-Werror $flag" && 1315 compile_prog "-Werror $flag" ""; then 1316 QEMU_CFLAGS="$QEMU_CFLAGS $flag" 1317 QEMU_LDFLAGS="$QEMU_LDFLAGS $flag" 1318 sp_on=1 1319 break 1320 fi 1321 done 1322 if test "$stack_protector" = yes; then 1323 if test $sp_on = 0; then 1324 error_exit "Stack protector not supported" 1325 fi 1326 fi 1327fi 1328 1329# Disable -Wmissing-braces on older compilers that warn even for 1330# the "universal" C zero initializer {0}. 1331cat > $TMPC << EOF 1332struct { 1333 int a[2]; 1334} x = {0}; 1335EOF 1336if compile_object "-Werror" "" ; then 1337 : 1338else 1339 QEMU_CFLAGS="$QEMU_CFLAGS -Wno-missing-braces" 1340fi 1341 1342# Our module code doesn't support Windows 1343if test "$modules" = "yes" && test "$mingw32" = "yes" ; then 1344 error_exit "Modules are not available for Windows" 1345fi 1346 1347# Static linking is not possible with plugins, modules or PIE 1348if test "$static" = "yes" ; then 1349 if test "$modules" = "yes" ; then 1350 error_exit "static and modules are mutually incompatible" 1351 fi 1352 if test "$plugins" = "yes"; then 1353 error_exit "static and plugins are mutually incompatible" 1354 else 1355 plugins="no" 1356 fi 1357fi 1358test "$plugins" = "" && plugins=yes 1359 1360cat > $TMPC << EOF 1361 1362#ifdef __linux__ 1363# define THREAD __thread 1364#else 1365# define THREAD 1366#endif 1367static THREAD int tls_var; 1368int main(void) { return tls_var; } 1369EOF 1370 1371if test "$static" = "yes"; then 1372 if test "$pie" != "no" && compile_prog "-Werror -fPIE -DPIE" "-static-pie"; then 1373 CONFIGURE_CFLAGS="-fPIE -DPIE $CONFIGURE_CFLAGS" 1374 QEMU_LDFLAGS="-static-pie $QEMU_LDFLAGS" 1375 pie="yes" 1376 elif test "$pie" = "yes"; then 1377 error_exit "-static-pie not available due to missing toolchain support" 1378 else 1379 QEMU_LDFLAGS="-static $QEMU_LDFLAGS" 1380 pie="no" 1381 fi 1382elif test "$pie" = "no"; then 1383 if compile_prog "-Werror -fno-pie" "-no-pie"; then 1384 CONFIGURE_CFLAGS="-fno-pie $CONFIGURE_CFLAGS" 1385 CONFIGURE_LDFLAGS="-no-pie $CONFIGURE_LDFLAGS" 1386 # Meson currently only handles pie as a boolean for now so if we have 1387 # explicitly disabled PIE we need to extend our cflags because it wont. 1388 QEMU_CFLAGS="-fno-pie -no-pie $QEMU_CFLAGS" 1389 fi 1390elif compile_prog "-Werror -fPIE -DPIE" "-pie"; then 1391 CONFIGURE_CFLAGS="-fPIE -DPIE $CONFIGURE_CFLAGS" 1392 CONFIGURE_LDFLAGS="-pie $CONFIGURE_LDFLAGS" 1393 pie="yes" 1394elif test "$pie" = "yes"; then 1395 error_exit "PIE not available due to missing toolchain support" 1396else 1397 echo "Disabling PIE due to missing toolchain support" 1398 pie="no" 1399fi 1400 1401# Detect support for PT_GNU_RELRO + DT_BIND_NOW. 1402# The combination is known as "full relro", because .got.plt is read-only too. 1403if compile_prog "" "-Wl,-z,relro -Wl,-z,now" ; then 1404 QEMU_LDFLAGS="-Wl,-z,relro -Wl,-z,now $QEMU_LDFLAGS" 1405fi 1406 1407########################################## 1408# __sync_fetch_and_and requires at least -march=i486. Many toolchains 1409# use i686 as default anyway, but for those that don't, an explicit 1410# specification is necessary 1411 1412if test "$cpu" = "i386"; then 1413 cat > $TMPC << EOF 1414static int sfaa(int *ptr) 1415{ 1416 return __sync_fetch_and_and(ptr, 0); 1417} 1418 1419int main(void) 1420{ 1421 int val = 42; 1422 val = __sync_val_compare_and_swap(&val, 0, 1); 1423 sfaa(&val); 1424 return val; 1425} 1426EOF 1427 if ! compile_prog "" "" ; then 1428 QEMU_CFLAGS="-march=i486 $QEMU_CFLAGS" 1429 fi 1430fi 1431 1432if test -z "${target_list+xxx}" ; then 1433 default_targets=yes 1434 for target in $default_target_list; do 1435 target_list="$target_list $target" 1436 done 1437 target_list="${target_list# }" 1438else 1439 default_targets=no 1440 target_list=$(echo "$target_list" | sed -e 's/,/ /g') 1441 for target in $target_list; do 1442 # Check that we recognised the target name; this allows a more 1443 # friendly error message than if we let it fall through. 1444 case " $default_target_list " in 1445 *" $target "*) 1446 ;; 1447 *) 1448 error_exit "Unknown target name '$target'" 1449 ;; 1450 esac 1451 done 1452fi 1453 1454# see if system emulation was really requested 1455case " $target_list " in 1456 *"-softmmu "*) softmmu=yes 1457 ;; 1458 *) softmmu=no 1459 ;; 1460esac 1461 1462if test "$tcg" = "auto"; then 1463 if test -z "$target_list"; then 1464 tcg="disabled" 1465 else 1466 tcg="enabled" 1467 fi 1468fi 1469 1470if test "$tcg" = "enabled"; then 1471 git_submodules="$git_submodules tests/fp/berkeley-testfloat-3" 1472 git_submodules="$git_submodules tests/fp/berkeley-softfloat-3" 1473fi 1474 1475# --- 1476# big/little endian test 1477cat > $TMPC << EOF 1478#include <stdio.h> 1479short big_endian[] = { 0x4269, 0x4765, 0x4e64, 0x4961, 0x4e00, 0, }; 1480short little_endian[] = { 0x694c, 0x7454, 0x654c, 0x6e45, 0x6944, 0x6e41, 0, }; 1481int main(int argc, char *argv[]) 1482{ 1483 return printf("%s %s\n", (char *)big_endian, (char *)little_endian); 1484} 1485EOF 1486 1487if compile_prog ; then 1488 if strings -a $TMPE | grep -q BiGeNdIaN ; then 1489 bigendian="yes" 1490 elif strings -a $TMPE | grep -q LiTtLeEnDiAn ; then 1491 bigendian="no" 1492 else 1493 echo big/little test failed 1494 exit 1 1495 fi 1496else 1497 echo big/little test failed 1498 exit 1 1499fi 1500 1501########################################## 1502# pkg-config probe 1503 1504if ! has "$pkg_config_exe"; then 1505 error_exit "pkg-config binary '$pkg_config_exe' not found" 1506fi 1507 1508########################################## 1509# glib support probe 1510 1511# When bumping glib_req_ver, please check also whether we should increase 1512# the _WIN32_WINNT setting in osdep.h according to the value from glib 1513glib_req_ver=2.56 1514glib_modules=gthread-2.0 1515if test "$modules" = yes; then 1516 glib_modules="$glib_modules gmodule-export-2.0" 1517elif test "$plugins" = "yes"; then 1518 glib_modules="$glib_modules gmodule-no-export-2.0" 1519fi 1520 1521for i in $glib_modules; do 1522 if $pkg_config --atleast-version=$glib_req_ver $i; then 1523 glib_cflags=$($pkg_config --cflags $i) 1524 glib_libs=$($pkg_config --libs $i) 1525 else 1526 error_exit "glib-$glib_req_ver $i is required to compile QEMU" 1527 fi 1528done 1529 1530glib_bindir="$($pkg_config --variable=bindir glib-2.0)" 1531if test -z "$glib_bindir" ; then 1532 glib_bindir="$($pkg_config --variable=prefix glib-2.0)"/bin 1533fi 1534 1535# This workaround is required due to a bug in pkg-config file for glib as it 1536# doesn't define GLIB_STATIC_COMPILATION for pkg-config --static 1537 1538if test "$static" = yes && test "$mingw32" = yes; then 1539 glib_cflags="-DGLIB_STATIC_COMPILATION $glib_cflags" 1540fi 1541 1542# Sanity check that the current size_t matches the 1543# size that glib thinks it should be. This catches 1544# problems on multi-arch where people try to build 1545# 32-bit QEMU while pointing at 64-bit glib headers 1546cat > $TMPC <<EOF 1547#include <glib.h> 1548#include <unistd.h> 1549 1550#define QEMU_BUILD_BUG_ON(x) \ 1551 typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused)); 1552 1553int main(void) { 1554 QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T); 1555 return 0; 1556} 1557EOF 1558 1559if ! compile_prog "$glib_cflags" "$glib_libs" ; then 1560 error_exit "sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T."\ 1561 "You probably need to set PKG_CONFIG_LIBDIR"\ 1562 "to point to the right pkg-config files for your"\ 1563 "build target" 1564fi 1565 1566# Silence clang warnings triggered by glib < 2.57.2 1567cat > $TMPC << EOF 1568#include <glib.h> 1569typedef struct Foo { 1570 int i; 1571} Foo; 1572static void foo_free(Foo *f) 1573{ 1574 g_free(f); 1575} 1576G_DEFINE_AUTOPTR_CLEANUP_FUNC(Foo, foo_free) 1577int main(void) { return 0; } 1578EOF 1579if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then 1580 if cc_has_warning_flag "-Wno-unused-function"; then 1581 glib_cflags="$glib_cflags -Wno-unused-function" 1582 CONFIGURE_CFLAGS="$CONFIGURE_CFLAGS -Wno-unused-function" 1583 fi 1584fi 1585 1586########################################## 1587# fdt probe 1588 1589case "$fdt" in 1590 auto | enabled | internal) 1591 # Simpler to always update submodule, even if not needed. 1592 git_submodules="${git_submodules} dtc" 1593 ;; 1594esac 1595 1596########################################## 1597# check and set a backend for coroutine 1598 1599# We prefer ucontext, but it's not always possible. The fallback 1600# is sigcontext. On Windows the only valid backend is the Windows 1601# specific one. 1602 1603ucontext_works=no 1604if test "$darwin" != "yes"; then 1605 cat > $TMPC << EOF 1606#include <ucontext.h> 1607#ifdef __stub_makecontext 1608#error Ignoring glibc stub makecontext which will always fail 1609#endif 1610int main(void) { makecontext(0, 0, 0); return 0; } 1611EOF 1612 if compile_prog "" "" ; then 1613 ucontext_works=yes 1614 fi 1615fi 1616 1617if test "$coroutine" = ""; then 1618 if test "$mingw32" = "yes"; then 1619 coroutine=win32 1620 elif test "$ucontext_works" = "yes"; then 1621 coroutine=ucontext 1622 else 1623 coroutine=sigaltstack 1624 fi 1625else 1626 case $coroutine in 1627 windows) 1628 if test "$mingw32" != "yes"; then 1629 error_exit "'windows' coroutine backend only valid for Windows" 1630 fi 1631 # Unfortunately the user visible backend name doesn't match the 1632 # coroutine-*.c filename for this case, so we have to adjust it here. 1633 coroutine=win32 1634 ;; 1635 ucontext) 1636 if test "$ucontext_works" != "yes"; then 1637 error_exit "'ucontext' backend requested but makecontext not available" 1638 fi 1639 ;; 1640 sigaltstack) 1641 if test "$mingw32" = "yes"; then 1642 error_exit "only the 'windows' coroutine backend is valid for Windows" 1643 fi 1644 ;; 1645 *) 1646 error_exit "unknown coroutine backend $coroutine" 1647 ;; 1648 esac 1649fi 1650 1651################################################## 1652# SafeStack 1653 1654 1655if test "$safe_stack" = "yes"; then 1656cat > $TMPC << EOF 1657int main(int argc, char *argv[]) 1658{ 1659#if ! __has_feature(safe_stack) 1660#error SafeStack Disabled 1661#endif 1662 return 0; 1663} 1664EOF 1665 flag="-fsanitize=safe-stack" 1666 # Check that safe-stack is supported and enabled. 1667 if compile_prog "-Werror $flag" "$flag"; then 1668 # Flag needed both at compilation and at linking 1669 QEMU_CFLAGS="$QEMU_CFLAGS $flag" 1670 QEMU_LDFLAGS="$QEMU_LDFLAGS $flag" 1671 else 1672 error_exit "SafeStack not supported by your compiler" 1673 fi 1674 if test "$coroutine" != "ucontext"; then 1675 error_exit "SafeStack is only supported by the coroutine backend ucontext" 1676 fi 1677else 1678cat > $TMPC << EOF 1679int main(int argc, char *argv[]) 1680{ 1681#if defined(__has_feature) 1682#if __has_feature(safe_stack) 1683#error SafeStack Enabled 1684#endif 1685#endif 1686 return 0; 1687} 1688EOF 1689if test "$safe_stack" = "no"; then 1690 # Make sure that safe-stack is disabled 1691 if ! compile_prog "-Werror" ""; then 1692 # SafeStack was already enabled, try to explicitly remove the feature 1693 flag="-fno-sanitize=safe-stack" 1694 if ! compile_prog "-Werror $flag" "$flag"; then 1695 error_exit "Configure cannot disable SafeStack" 1696 fi 1697 QEMU_CFLAGS="$QEMU_CFLAGS $flag" 1698 QEMU_LDFLAGS="$QEMU_LDFLAGS $flag" 1699 fi 1700else # "$safe_stack" = "" 1701 # Set safe_stack to yes or no based on pre-existing flags 1702 if compile_prog "-Werror" ""; then 1703 safe_stack="no" 1704 else 1705 safe_stack="yes" 1706 if test "$coroutine" != "ucontext"; then 1707 error_exit "SafeStack is only supported by the coroutine backend ucontext" 1708 fi 1709 fi 1710fi 1711fi 1712 1713######################################## 1714# check if ccache is interfering with 1715# semantic analysis of macros 1716 1717unset CCACHE_CPP2 1718ccache_cpp2=no 1719cat > $TMPC << EOF 1720static const int Z = 1; 1721#define fn() ({ Z; }) 1722#define TAUT(X) ((X) == Z) 1723#define PAREN(X, Y) (X == Y) 1724#define ID(X) (X) 1725int main(int argc, char *argv[]) 1726{ 1727 int x = 0, y = 0; 1728 x = ID(x); 1729 x = fn(); 1730 fn(); 1731 if (PAREN(x, y)) return 0; 1732 if (TAUT(Z)) return 0; 1733 return 0; 1734} 1735EOF 1736 1737if ! compile_object "-Werror"; then 1738 ccache_cpp2=yes 1739fi 1740 1741################################################# 1742# clang does not support glibc + FORTIFY_SOURCE. 1743 1744if test "$fortify_source" != "no"; then 1745 if echo | $cc -dM -E - | grep __clang__ > /dev/null 2>&1 ; then 1746 fortify_source="no"; 1747 elif test -n "$cxx" && has $cxx && 1748 echo | $cxx -dM -E - | grep __clang__ >/dev/null 2>&1 ; then 1749 fortify_source="no"; 1750 else 1751 fortify_source="yes" 1752 fi 1753fi 1754 1755########################################## 1756# checks for sanitizers 1757 1758have_asan=no 1759have_ubsan=no 1760have_asan_iface_h=no 1761have_asan_iface_fiber=no 1762 1763if test "$sanitizers" = "yes" ; then 1764 write_c_skeleton 1765 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" ""; then 1766 have_asan=yes 1767 fi 1768 1769 # we could use a simple skeleton for flags checks, but this also 1770 # detect the static linking issue of ubsan, see also: 1771 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84285 1772 cat > $TMPC << EOF 1773#include <stdlib.h> 1774int main(void) { 1775 void *tmp = malloc(10); 1776 if (tmp != NULL) { 1777 return *(int *)(tmp + 2); 1778 } 1779 return 1; 1780} 1781EOF 1782 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=undefined" ""; then 1783 have_ubsan=yes 1784 fi 1785 1786 if check_include "sanitizer/asan_interface.h" ; then 1787 have_asan_iface_h=yes 1788 fi 1789 1790 cat > $TMPC << EOF 1791#include <sanitizer/asan_interface.h> 1792int main(void) { 1793 __sanitizer_start_switch_fiber(0, 0, 0); 1794 return 0; 1795} 1796EOF 1797 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" "" ; then 1798 have_asan_iface_fiber=yes 1799 fi 1800fi 1801 1802# Thread sanitizer is, for now, much noisier than the other sanitizers; 1803# keep it separate until that is not the case. 1804if test "$tsan" = "yes" && test "$sanitizers" = "yes"; then 1805 error_exit "TSAN is not supported with other sanitiziers." 1806fi 1807have_tsan=no 1808have_tsan_iface_fiber=no 1809if test "$tsan" = "yes" ; then 1810 write_c_skeleton 1811 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then 1812 have_tsan=yes 1813 fi 1814 cat > $TMPC << EOF 1815#include <sanitizer/tsan_interface.h> 1816int main(void) { 1817 __tsan_create_fiber(0); 1818 return 0; 1819} 1820EOF 1821 if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then 1822 have_tsan_iface_fiber=yes 1823 fi 1824fi 1825 1826########################################## 1827# check for slirp 1828 1829case "$slirp" in 1830 auto | enabled | internal) 1831 # Simpler to always update submodule, even if not needed. 1832 git_submodules="${git_submodules} slirp" 1833 ;; 1834esac 1835 1836########################################## 1837# functions to probe cross compilers 1838 1839container="no" 1840if test $use_containers = "yes"; then 1841 if has "docker" || has "podman"; then 1842 container=$($python $source_path/tests/docker/docker.py probe) 1843 fi 1844fi 1845 1846# cross compilers defaults, can be overridden with --cross-cc-ARCH 1847: ${cross_prefix_aarch64="aarch64-linux-gnu-"} 1848: ${cross_prefix_aarch64_be="$cross_prefix_aarch64"} 1849: ${cross_prefix_alpha="alpha-linux-gnu-"} 1850: ${cross_prefix_arm="arm-linux-gnueabihf-"} 1851: ${cross_prefix_armeb="$cross_prefix_arm"} 1852: ${cross_prefix_hexagon="hexagon-unknown-linux-musl-"} 1853: ${cross_prefix_loongarch64="loongarch64-unknown-linux-gnu-"} 1854: ${cross_prefix_hppa="hppa-linux-gnu-"} 1855: ${cross_prefix_i386="i686-linux-gnu-"} 1856: ${cross_prefix_m68k="m68k-linux-gnu-"} 1857: ${cross_prefix_microblaze="microblaze-linux-musl-"} 1858: ${cross_prefix_mips64el="mips64el-linux-gnuabi64-"} 1859: ${cross_prefix_mips64="mips64-linux-gnuabi64-"} 1860: ${cross_prefix_mipsel="mipsel-linux-gnu-"} 1861: ${cross_prefix_mips="mips-linux-gnu-"} 1862: ${cross_prefix_nios2="nios2-linux-gnu-"} 1863: ${cross_prefix_ppc="powerpc-linux-gnu-"} 1864: ${cross_prefix_ppc64="powerpc64-linux-gnu-"} 1865: ${cross_prefix_ppc64le="$cross_prefix_ppc64"} 1866: ${cross_prefix_riscv64="riscv64-linux-gnu-"} 1867: ${cross_prefix_s390x="s390x-linux-gnu-"} 1868: ${cross_prefix_sh4="sh4-linux-gnu-"} 1869: ${cross_prefix_sparc64="sparc64-linux-gnu-"} 1870: ${cross_prefix_sparc="$cross_prefix_sparc64"} 1871: ${cross_prefix_x86_64="x86_64-linux-gnu-"} 1872 1873: ${cross_cc_aarch64_be="$cross_cc_aarch64"} 1874: ${cross_cc_cflags_aarch64_be="-mbig-endian"} 1875: ${cross_cc_armeb="$cross_cc_arm"} 1876: ${cross_cc_cflags_armeb="-mbig-endian"} 1877: ${cross_cc_hexagon="hexagon-unknown-linux-musl-clang"} 1878: ${cross_cc_cflags_hexagon="-mv67 -O2 -static"} 1879: ${cross_cc_cflags_i386="-m32"} 1880: ${cross_cc_cflags_ppc="-m32 -mbig-endian"} 1881: ${cross_cc_cflags_ppc64="-m64 -mbig-endian"} 1882: ${cross_cc_ppc64le="$cross_cc_ppc64"} 1883: ${cross_cc_cflags_ppc64le="-m64 -mlittle-endian"} 1884: ${cross_cc_cflags_sparc64="-m64 -mcpu=ultrasparc"} 1885: ${cross_cc_sparc="$cross_cc_sparc64"} 1886: ${cross_cc_cflags_sparc="-m32 -mcpu=supersparc"} 1887: ${cross_cc_cflags_x86_64="-m64"} 1888 1889compute_target_variable() { 1890 eval "$2=" 1891 if eval test -n "\"\${cross_prefix_$1}\""; then 1892 if eval has "\"\${cross_prefix_$1}\$3\""; then 1893 eval "$2=\"\${cross_prefix_$1}\$3\"" 1894 fi 1895 fi 1896} 1897 1898# probe_target_compiler TARGET 1899# 1900# Look for a compiler for the given target, either native or cross. 1901# Set variables target_* if a compiler is found, and container_cross_* 1902# if a Docker-based cross-compiler image is known for the target. 1903# Set got_cross_cc to yes/no depending on whether a non-container-based 1904# compiler was found. 1905# 1906# If TARGET is a user-mode emulation target, also set build_static to 1907# "y" if static linking is possible. 1908# 1909probe_target_compiler() { 1910 # reset all output variables 1911 got_cross_cc=no 1912 container_image= 1913 container_hosts= 1914 container_cross_cc= 1915 container_cross_ar= 1916 container_cross_as= 1917 container_cross_ld= 1918 container_cross_nm= 1919 container_cross_objcopy= 1920 container_cross_ranlib= 1921 container_cross_strip= 1922 1923 target_arch=${1%%-*} 1924 case $target_arch in 1925 aarch64) container_hosts="x86_64 aarch64" ;; 1926 alpha) container_hosts=x86_64 ;; 1927 arm) container_hosts="x86_64 aarch64" ;; 1928 cris) container_hosts=x86_64 ;; 1929 hexagon) container_hosts=x86_64 ;; 1930 hppa) container_hosts=x86_64 ;; 1931 i386) container_hosts=x86_64 ;; 1932 loongarch64) container_hosts=x86_64 ;; 1933 m68k) container_hosts=x86_64 ;; 1934 microblaze) container_hosts=x86_64 ;; 1935 mips64el) container_hosts=x86_64 ;; 1936 mips64) container_hosts=x86_64 ;; 1937 mipsel) container_hosts=x86_64 ;; 1938 mips) container_hosts=x86_64 ;; 1939 nios2) container_hosts=x86_64 ;; 1940 ppc) container_hosts=x86_64 ;; 1941 ppc64|ppc64le) container_hosts=x86_64 ;; 1942 riscv64) container_hosts=x86_64 ;; 1943 s390x) container_hosts=x86_64 ;; 1944 sh4) container_hosts=x86_64 ;; 1945 sparc64) container_hosts=x86_64 ;; 1946 tricore) container_hosts=x86_64 ;; 1947 x86_64) container_hosts="aarch64 ppc64el x86_64" ;; 1948 xtensa*) container_hosts=x86_64 ;; 1949 esac 1950 1951 for host in $container_hosts; do 1952 test "$container" != no || continue 1953 test "$host" = "$cpu" || continue 1954 case $target_arch in 1955 aarch64) 1956 # We don't have any bigendian build tools so we only use this for AArch64 1957 container_image=debian-arm64-cross 1958 container_cross_prefix=aarch64-linux-gnu- 1959 container_cross_cc=${container_cross_prefix}gcc-10 1960 ;; 1961 alpha) 1962 container_image=debian-alpha-cross 1963 container_cross_prefix=alpha-linux-gnu- 1964 ;; 1965 arm) 1966 # We don't have any bigendian build tools so we only use this for ARM 1967 container_image=debian-armhf-cross 1968 container_cross_prefix=arm-linux-gnueabihf- 1969 ;; 1970 cris) 1971 container_image=fedora-cris-cross 1972 container_cross_prefix=cris-linux-gnu- 1973 ;; 1974 hexagon) 1975 container_image=debian-hexagon-cross 1976 container_cross_prefix=hexagon-unknown-linux-musl- 1977 container_cross_cc=${container_cross_prefix}clang 1978 ;; 1979 hppa) 1980 container_image=debian-hppa-cross 1981 container_cross_prefix=hppa-linux-gnu- 1982 ;; 1983 i386) 1984 container_image=fedora-i386-cross 1985 container_cross_prefix= 1986 ;; 1987 loongarch64) 1988 container_image=debian-loongarch-cross 1989 container_cross_prefix=loongarch64-unknown-linux-gnu- 1990 ;; 1991 m68k) 1992 container_image=debian-m68k-cross 1993 container_cross_prefix=m68k-linux-gnu- 1994 ;; 1995 microblaze) 1996 container_image=debian-microblaze-cross 1997 container_cross_prefix=microblaze-linux-musl- 1998 ;; 1999 mips64el) 2000 container_image=debian-mips64el-cross 2001 container_cross_prefix=mips64el-linux-gnuabi64- 2002 ;; 2003 mips64) 2004 container_image=debian-mips64-cross 2005 container_cross_prefix=mips64-linux-gnuabi64- 2006 ;; 2007 mipsel) 2008 container_image=debian-mipsel-cross 2009 container_cross_prefix=mipsel-linux-gnu- 2010 ;; 2011 mips) 2012 container_image=debian-mips-cross 2013 container_cross_prefix=mips-linux-gnu- 2014 ;; 2015 nios2) 2016 container_image=debian-nios2-cross 2017 container_cross_prefix=nios2-linux-gnu- 2018 ;; 2019 ppc) 2020 container_image=debian-powerpc-test-cross 2021 container_cross_prefix=powerpc-linux-gnu- 2022 container_cross_cc=${container_cross_prefix}gcc-10 2023 ;; 2024 ppc64|ppc64le) 2025 container_image=debian-powerpc-test-cross 2026 container_cross_prefix=powerpc${target_arch#ppc}-linux-gnu- 2027 container_cross_cc=${container_cross_prefix}gcc-10 2028 ;; 2029 riscv64) 2030 container_image=debian-riscv64-test-cross 2031 container_cross_prefix=riscv64-linux-gnu- 2032 ;; 2033 s390x) 2034 container_image=debian-s390x-cross 2035 container_cross_prefix=s390x-linux-gnu- 2036 ;; 2037 sh4) 2038 container_image=debian-sh4-cross 2039 container_cross_prefix=sh4-linux-gnu- 2040 ;; 2041 sparc64) 2042 container_image=debian-sparc64-cross 2043 container_cross_prefix=sparc64-linux-gnu- 2044 ;; 2045 tricore) 2046 container_image=debian-tricore-cross 2047 container_cross_prefix=tricore- 2048 container_cross_as=tricore-as 2049 container_cross_ld=tricore-ld 2050 break 2051 ;; 2052 x86_64) 2053 container_image=debian-amd64-cross 2054 container_cross_prefix=x86_64-linux-gnu- 2055 ;; 2056 xtensa*) 2057 container_hosts=x86_64 2058 container_image=debian-xtensa-cross 2059 2060 # default to the dc232b cpu 2061 container_cross_prefix=/opt/2020.07/xtensa-dc232b-elf/bin/xtensa-dc232b-elf- 2062 ;; 2063 esac 2064 : ${container_cross_cc:=${container_cross_prefix}gcc} 2065 : ${container_cross_ar:=${container_cross_prefix}ar} 2066 : ${container_cross_as:=${container_cross_prefix}as} 2067 : ${container_cross_ld:=${container_cross_prefix}ld} 2068 : ${container_cross_nm:=${container_cross_prefix}nm} 2069 : ${container_cross_objcopy:=${container_cross_prefix}objcopy} 2070 : ${container_cross_ranlib:=${container_cross_prefix}ranlib} 2071 : ${container_cross_strip:=${container_cross_prefix}strip} 2072 done 2073 2074 local t try 2075 try=cross 2076 case "$target_arch:$cpu" in 2077 aarch64_be:aarch64 | \ 2078 armeb:arm | \ 2079 i386:x86_64 | \ 2080 mips*:mips64 | \ 2081 ppc*:ppc64 | \ 2082 sparc:sparc64 | \ 2083 "$cpu:$cpu") 2084 try='native cross' ;; 2085 esac 2086 eval "target_cflags=\${cross_cc_cflags_$target_arch}" 2087 for t in $try; do 2088 case $t in 2089 native) 2090 target_cc=$cc 2091 target_ccas=$ccas 2092 target_ar=$ar 2093 target_as=$as 2094 target_ld=$ld 2095 target_nm=$nm 2096 target_objcopy=$objcopy 2097 target_ranlib=$ranlib 2098 target_strip=$strip 2099 ;; 2100 cross) 2101 target_cc= 2102 if eval test -n "\"\${cross_cc_$target_arch}\""; then 2103 if eval has "\"\${cross_cc_$target_arch}\""; then 2104 eval "target_cc=\"\${cross_cc_$target_arch}\"" 2105 fi 2106 else 2107 compute_target_variable $target_arch target_cc gcc 2108 fi 2109 target_ccas=$target_cc 2110 compute_target_variable $target_arch target_ar ar 2111 compute_target_variable $target_arch target_as as 2112 compute_target_variable $target_arch target_ld ld 2113 compute_target_variable $target_arch target_nm nm 2114 compute_target_variable $target_arch target_objcopy objcopy 2115 compute_target_variable $target_arch target_ranlib ranlib 2116 compute_target_variable $target_arch target_strip strip 2117 ;; 2118 esac 2119 2120 if test -n "$target_cc"; then 2121 case $target_arch in 2122 i386|x86_64) 2123 if $target_cc --version | grep -qi "clang"; then 2124 continue 2125 fi 2126 ;; 2127 esac 2128 elif test -n "$target_as" && test -n "$target_ld"; then 2129 # Special handling for assembler only targets 2130 case $target in 2131 tricore-softmmu) 2132 build_static= 2133 got_cross_cc=yes 2134 break 2135 ;; 2136 *) 2137 continue 2138 ;; 2139 esac 2140 else 2141 continue 2142 fi 2143 2144 write_c_skeleton 2145 case $1 in 2146 *-softmmu) 2147 if do_compiler "$target_cc" $target_cflags -o $TMPO -c $TMPC && 2148 do_compiler "$target_cc" $target_cflags -r -nostdlib -o "${TMPDIR1}/${TMPB}2.o" "$TMPO" -lgcc; then 2149 got_cross_cc=yes 2150 break 2151 fi 2152 ;; 2153 *) 2154 if do_compiler "$target_cc" $target_cflags -o $TMPE $TMPC -static ; then 2155 build_static=y 2156 got_cross_cc=yes 2157 break 2158 fi 2159 if do_compiler "$target_cc" $target_cflags -o $TMPE $TMPC ; then 2160 build_static= 2161 got_cross_cc=yes 2162 break 2163 fi 2164 ;; 2165 esac 2166 done 2167 if test $got_cross_cc != yes; then 2168 build_static= 2169 target_cc= 2170 target_ccas= 2171 target_ar= 2172 target_as= 2173 target_ld= 2174 target_nm= 2175 target_objcopy= 2176 target_ranlib= 2177 target_strip= 2178 fi 2179} 2180 2181write_target_makefile() { 2182 echo "EXTRA_CFLAGS=$target_cflags" 2183 if test -n "$target_cc"; then 2184 echo "CC=$target_cc" 2185 echo "CCAS=$target_ccas" 2186 fi 2187 if test -n "$target_ar"; then 2188 echo "AR=$target_ar" 2189 fi 2190 if test -n "$target_as"; then 2191 echo "AS=$target_as" 2192 fi 2193 if test -n "$target_ld"; then 2194 echo "LD=$target_ld" 2195 fi 2196 if test -n "$target_nm"; then 2197 echo "NM=$target_nm" 2198 fi 2199 if test -n "$target_objcopy"; then 2200 echo "OBJCOPY=$target_objcopy" 2201 fi 2202 if test -n "$target_ranlib"; then 2203 echo "RANLIB=$target_ranlib" 2204 fi 2205 if test -n "$target_strip"; then 2206 echo "STRIP=$target_strip" 2207 fi 2208} 2209 2210write_container_target_makefile() { 2211 echo "EXTRA_CFLAGS=$target_cflags" 2212 if test -n "$container_cross_cc"; then 2213 echo "CC=\$(DOCKER_SCRIPT) cc --cc $container_cross_cc -i qemu/$container_image -s $source_path --" 2214 echo "CCAS=\$(DOCKER_SCRIPT) cc --cc $container_cross_cc -i qemu/$container_image -s $source_path --" 2215 fi 2216 echo "AR=\$(DOCKER_SCRIPT) cc --cc $container_cross_ar -i qemu/$container_image -s $source_path --" 2217 echo "AS=\$(DOCKER_SCRIPT) cc --cc $container_cross_as -i qemu/$container_image -s $source_path --" 2218 echo "LD=\$(DOCKER_SCRIPT) cc --cc $container_cross_ld -i qemu/$container_image -s $source_path --" 2219 echo "NM=\$(DOCKER_SCRIPT) cc --cc $container_cross_nm -i qemu/$container_image -s $source_path --" 2220 echo "OBJCOPY=\$(DOCKER_SCRIPT) cc --cc $container_cross_objcopy -i qemu/$container_image -s $source_path --" 2221 echo "RANLIB=\$(DOCKER_SCRIPT) cc --cc $container_cross_ranlib -i qemu/$container_image -s $source_path --" 2222 echo "STRIP=\$(DOCKER_SCRIPT) cc --cc $container_cross_strip -i qemu/$container_image -s $source_path --" 2223} 2224 2225 2226 2227########################################## 2228# check for vfio_user_server 2229 2230case "$vfio_user_server" in 2231 enabled ) 2232 if test "$git_submodules_action" != "ignore"; then 2233 git_submodules="${git_submodules} subprojects/libvfio-user" 2234 fi 2235 ;; 2236esac 2237 2238########################################## 2239# End of CC checks 2240# After here, no more $cc or $ld runs 2241 2242write_c_skeleton 2243 2244if test "$fortify_source" = "yes" ; then 2245 QEMU_CFLAGS="-U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $QEMU_CFLAGS" 2246fi 2247 2248if test "$have_asan" = "yes"; then 2249 QEMU_CFLAGS="-fsanitize=address $QEMU_CFLAGS" 2250 QEMU_LDFLAGS="-fsanitize=address $QEMU_LDFLAGS" 2251 if test "$have_asan_iface_h" = "no" ; then 2252 echo "ASAN build enabled, but ASAN header missing." \ 2253 "Without code annotation, the report may be inferior." 2254 elif test "$have_asan_iface_fiber" = "no" ; then 2255 echo "ASAN build enabled, but ASAN header is too old." \ 2256 "Without code annotation, the report may be inferior." 2257 fi 2258fi 2259if test "$have_tsan" = "yes" ; then 2260 if test "$have_tsan_iface_fiber" = "yes" ; then 2261 QEMU_CFLAGS="-fsanitize=thread $QEMU_CFLAGS" 2262 QEMU_LDFLAGS="-fsanitize=thread $QEMU_LDFLAGS" 2263 else 2264 error_exit "Cannot enable TSAN due to missing fiber annotation interface." 2265 fi 2266elif test "$tsan" = "yes" ; then 2267 error_exit "Cannot enable TSAN due to missing sanitize thread interface." 2268fi 2269if test "$have_ubsan" = "yes"; then 2270 QEMU_CFLAGS="-fsanitize=undefined $QEMU_CFLAGS" 2271 QEMU_LDFLAGS="-fsanitize=undefined $QEMU_LDFLAGS" 2272fi 2273 2274########################################## 2275 2276# Exclude --warn-common with TSan to suppress warnings from the TSan libraries. 2277if test "$solaris" = "no" && test "$tsan" = "no"; then 2278 if $ld --version 2>/dev/null | grep "GNU ld" >/dev/null 2>/dev/null ; then 2279 QEMU_LDFLAGS="-Wl,--warn-common $QEMU_LDFLAGS" 2280 fi 2281fi 2282 2283# Guest agent Windows MSI package 2284 2285if test "$QEMU_GA_MANUFACTURER" = ""; then 2286 QEMU_GA_MANUFACTURER=QEMU 2287fi 2288if test "$QEMU_GA_DISTRO" = ""; then 2289 QEMU_GA_DISTRO=Linux 2290fi 2291if test "$QEMU_GA_VERSION" = ""; then 2292 QEMU_GA_VERSION=$(cat $source_path/VERSION) 2293fi 2294 2295 2296####################################### 2297# cross-compiled firmware targets 2298 2299# Set up build tree symlinks that point back into the source tree 2300# (these can be both files and directories). 2301# Caution: avoid adding files or directories here using wildcards. This 2302# will result in problems later if a new file matching the wildcard is 2303# added to the source tree -- nothing will cause configure to be rerun 2304# so the build tree will be missing the link back to the new file, and 2305# tests might fail. Prefer to keep the relevant files in their own 2306# directory and symlink the directory instead. 2307LINKS="Makefile" 2308LINKS="$LINKS tests/tcg/Makefile.target" 2309LINKS="$LINKS pc-bios/optionrom/Makefile" 2310LINKS="$LINKS pc-bios/s390-ccw/Makefile" 2311LINKS="$LINKS pc-bios/vof/Makefile" 2312LINKS="$LINKS .gdbinit scripts" # scripts needed by relative path in .gdbinit 2313LINKS="$LINKS tests/avocado tests/data" 2314LINKS="$LINKS tests/qemu-iotests/check" 2315LINKS="$LINKS python" 2316LINKS="$LINKS contrib/plugins/Makefile " 2317for f in $LINKS ; do 2318 if [ -e "$source_path/$f" ]; then 2319 mkdir -p `dirname ./$f` 2320 symlink "$source_path/$f" "$f" 2321 fi 2322done 2323 2324# Mac OS X ships with a broken assembler 2325roms= 2326probe_target_compiler i386-softmmu 2327if test -n "$target_cc" && 2328 test "$targetos" != "darwin" && test "$targetos" != "sunos" && \ 2329 test "$targetos" != "haiku" && test "$softmmu" = yes ; then 2330 # Different host OS linkers have different ideas about the name of the ELF 2331 # emulation. Linux and OpenBSD/amd64 use 'elf_i386'; FreeBSD uses the _fbsd 2332 # variant; OpenBSD/i386 uses the _obsd variant; and Windows uses i386pe. 2333 for emu in elf_i386 elf_i386_fbsd elf_i386_obsd i386pe; do 2334 if "$target_ld" -verbose 2>&1 | grep -q "^[[:space:]]*${emu}[[:space:]]*$"; then 2335 ld_i386_emulation="$emu" 2336 break 2337 fi 2338 done 2339 if test -n "$ld_i386_emulation"; then 2340 roms="pc-bios/optionrom" 2341 config_mak=pc-bios/optionrom/config.mak 2342 echo "# Automatically generated by configure - do not modify" > $config_mak 2343 echo "TOPSRC_DIR=$source_path" >> $config_mak 2344 echo "LD_I386_EMULATION=$ld_i386_emulation" >> $config_mak 2345 write_target_makefile >> $config_mak 2346 fi 2347fi 2348 2349probe_target_compiler ppc-softmmu 2350if test -n "$target_cc" && test "$softmmu" = yes; then 2351 roms="$roms pc-bios/vof" 2352 config_mak=pc-bios/vof/config.mak 2353 echo "# Automatically generated by configure - do not modify" > $config_mak 2354 echo "SRC_DIR=$source_path/pc-bios/vof" >> $config_mak 2355 write_target_makefile >> $config_mak 2356fi 2357 2358# Only build s390-ccw bios if the compiler has -march=z900 or -march=z10 2359# (which is the lowest architecture level that Clang supports) 2360probe_target_compiler s390x-softmmu 2361if test -n "$target_cc" && test "$softmmu" = yes; then 2362 write_c_skeleton 2363 do_compiler "$target_cc" $target_cc_cflags -march=z900 -o $TMPO -c $TMPC 2364 has_z900=$? 2365 if [ $has_z900 = 0 ] || do_compiler "$target_cc" $target_cc_cflags -march=z10 -msoft-float -Werror -o $TMPO -c $TMPC; then 2366 if [ $has_z900 != 0 ]; then 2367 echo "WARNING: Your compiler does not support the z900!" 2368 echo " The s390-ccw bios will only work with guest CPUs >= z10." 2369 fi 2370 roms="$roms pc-bios/s390-ccw" 2371 config_mak=pc-bios/s390-ccw/config-host.mak 2372 echo "# Automatically generated by configure - do not modify" > $config_mak 2373 echo "SRC_PATH=$source_path/pc-bios/s390-ccw" >> $config_mak 2374 write_target_makefile >> $config_mak 2375 # SLOF is required for building the s390-ccw firmware on s390x, 2376 # since it is using the libnet code from SLOF for network booting. 2377 git_submodules="${git_submodules} roms/SLOF" 2378 fi 2379fi 2380 2381####################################### 2382# generate config-host.mak 2383 2384# Check that the C++ compiler exists and works with the C compiler. 2385# All the QEMU_CXXFLAGS are based on QEMU_CFLAGS. Keep this at the end to don't miss any other that could be added. 2386if has $cxx; then 2387 cat > $TMPC <<EOF 2388int c_function(void); 2389int main(void) { return c_function(); } 2390EOF 2391 2392 compile_object 2393 2394 cat > $TMPCXX <<EOF 2395extern "C" { 2396 int c_function(void); 2397} 2398int c_function(void) { return 42; } 2399EOF 2400 2401 update_cxxflags 2402 2403 if do_cxx $CXXFLAGS $EXTRA_CXXFLAGS $CONFIGURE_CXXFLAGS $QEMU_CXXFLAGS -o $TMPE $TMPCXX $TMPO $QEMU_LDFLAGS; then 2404 # C++ compiler $cxx works ok with C compiler $cc 2405 : 2406 else 2407 echo "C++ compiler $cxx does not work with C compiler $cc" 2408 echo "Disabling C++ specific optional code" 2409 cxx= 2410 fi 2411else 2412 echo "No C++ compiler available; disabling C++ specific optional code" 2413 cxx= 2414fi 2415 2416if ! (GIT="$git" "$source_path/scripts/git-submodule.sh" "$git_submodules_action" "$git_submodules"); then 2417 exit 1 2418fi 2419 2420config_host_mak="config-host.mak" 2421 2422echo "# Automatically generated by configure - do not modify" > $config_host_mak 2423echo >> $config_host_mak 2424 2425echo all: >> $config_host_mak 2426echo "GIT=$git" >> $config_host_mak 2427echo "GIT_SUBMODULES=$git_submodules" >> $config_host_mak 2428echo "GIT_SUBMODULES_ACTION=$git_submodules_action" >> $config_host_mak 2429 2430if test "$debug_tcg" = "yes" ; then 2431 echo "CONFIG_DEBUG_TCG=y" >> $config_host_mak 2432fi 2433if test "$mingw32" = "yes" ; then 2434 echo "CONFIG_WIN32=y" >> $config_host_mak 2435 echo "QEMU_GA_MANUFACTURER=${QEMU_GA_MANUFACTURER}" >> $config_host_mak 2436 echo "QEMU_GA_DISTRO=${QEMU_GA_DISTRO}" >> $config_host_mak 2437 echo "QEMU_GA_VERSION=${QEMU_GA_VERSION}" >> $config_host_mak 2438else 2439 echo "CONFIG_POSIX=y" >> $config_host_mak 2440fi 2441 2442if test "$linux" = "yes" ; then 2443 echo "CONFIG_LINUX=y" >> $config_host_mak 2444fi 2445 2446if test "$darwin" = "yes" ; then 2447 echo "CONFIG_DARWIN=y" >> $config_host_mak 2448fi 2449 2450if test "$solaris" = "yes" ; then 2451 echo "CONFIG_SOLARIS=y" >> $config_host_mak 2452fi 2453if test "$static" = "yes" ; then 2454 echo "CONFIG_STATIC=y" >> $config_host_mak 2455fi 2456echo "SRC_PATH=$source_path" >> $config_host_mak 2457echo "TARGET_DIRS=$target_list" >> $config_host_mak 2458if test "$modules" = "yes"; then 2459 echo "CONFIG_MODULES=y" >> $config_host_mak 2460fi 2461 2462# XXX: suppress that 2463if [ "$bsd" = "yes" ] ; then 2464 echo "CONFIG_BSD=y" >> $config_host_mak 2465fi 2466 2467echo "CONFIG_COROUTINE_BACKEND=$coroutine" >> $config_host_mak 2468 2469if test "$have_asan_iface_fiber" = "yes" ; then 2470 echo "CONFIG_ASAN_IFACE_FIBER=y" >> $config_host_mak 2471fi 2472 2473if test "$have_tsan" = "yes" && test "$have_tsan_iface_fiber" = "yes" ; then 2474 echo "CONFIG_TSAN=y" >> $config_host_mak 2475fi 2476 2477if test "$plugins" = "yes" ; then 2478 echo "CONFIG_PLUGIN=y" >> $config_host_mak 2479fi 2480 2481if test -n "$gdb_bin"; then 2482 gdb_version=$($gdb_bin --version | head -n 1) 2483 if version_ge ${gdb_version##* } 9.1; then 2484 echo "HAVE_GDB_BIN=$gdb_bin" >> $config_host_mak 2485 fi 2486fi 2487 2488echo "ROMS=$roms" >> $config_host_mak 2489echo "MAKE=$make" >> $config_host_mak 2490echo "PYTHON=$python" >> $config_host_mak 2491echo "GENISOIMAGE=$genisoimage" >> $config_host_mak 2492echo "MESON=$meson" >> $config_host_mak 2493echo "NINJA=$ninja" >> $config_host_mak 2494echo "CC=$cc" >> $config_host_mak 2495echo "QEMU_CFLAGS=$QEMU_CFLAGS" >> $config_host_mak 2496echo "QEMU_CXXFLAGS=$QEMU_CXXFLAGS" >> $config_host_mak 2497echo "QEMU_OBJCFLAGS=$QEMU_OBJCFLAGS" >> $config_host_mak 2498echo "GLIB_CFLAGS=$glib_cflags" >> $config_host_mak 2499echo "GLIB_LIBS=$glib_libs" >> $config_host_mak 2500echo "GLIB_BINDIR=$glib_bindir" >> $config_host_mak 2501echo "GLIB_VERSION=$(pkg-config --modversion glib-2.0)" >> $config_host_mak 2502echo "QEMU_LDFLAGS=$QEMU_LDFLAGS" >> $config_host_mak 2503echo "EXESUF=$EXESUF" >> $config_host_mak 2504 2505# use included Linux headers 2506if test "$linux" = "yes" ; then 2507 mkdir -p linux-headers 2508 case "$cpu" in 2509 i386|x86_64) 2510 linux_arch=x86 2511 ;; 2512 ppc|ppc64) 2513 linux_arch=powerpc 2514 ;; 2515 s390x) 2516 linux_arch=s390 2517 ;; 2518 aarch64) 2519 linux_arch=arm64 2520 ;; 2521 loongarch*) 2522 linux_arch=loongarch 2523 ;; 2524 mips64) 2525 linux_arch=mips 2526 ;; 2527 *) 2528 # For most CPUs the kernel architecture name and QEMU CPU name match. 2529 linux_arch="$cpu" 2530 ;; 2531 esac 2532 # For non-KVM architectures we will not have asm headers 2533 if [ -e "$source_path/linux-headers/asm-$linux_arch" ]; then 2534 symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm 2535 fi 2536fi 2537 2538for target in $target_list; do 2539 target_dir="$target" 2540 target_name=$(echo $target | cut -d '-' -f 1)$EXESUF 2541 mkdir -p $target_dir 2542 case $target in 2543 *-user) symlink "../qemu-$target_name" "$target_dir/qemu-$target_name" ;; 2544 *) symlink "../qemu-system-$target_name" "$target_dir/qemu-system-$target_name" ;; 2545 esac 2546done 2547 2548if test "$default_targets" = "yes"; then 2549 echo "CONFIG_DEFAULT_TARGETS=y" >> $config_host_mak 2550fi 2551 2552if test "$ccache_cpp2" = "yes"; then 2553 echo "export CCACHE_CPP2=y" >> $config_host_mak 2554fi 2555 2556if test "$safe_stack" = "yes"; then 2557 echo "CONFIG_SAFESTACK=y" >> $config_host_mak 2558fi 2559 2560# tests/tcg configuration 2561(makefile=tests/tcg/Makefile.prereqs 2562echo "# Automatically generated by configure - do not modify" > $makefile 2563 2564config_host_mak=tests/tcg/config-host.mak 2565echo "# Automatically generated by configure - do not modify" > $config_host_mak 2566echo "SRC_PATH=$source_path" >> $config_host_mak 2567echo "HOST_CC=$host_cc" >> $config_host_mak 2568 2569tcg_tests_targets= 2570for target in $target_list; do 2571 arch=${target%%-*} 2572 2573 config_target_mak=tests/tcg/config-$target.mak 2574 2575 echo "# Automatically generated by configure - do not modify" > $config_target_mak 2576 echo "TARGET_NAME=$arch" >> $config_target_mak 2577 case $target in 2578 xtensa*-linux-user) 2579 # the toolchain is not complete with headers, only build softmmu tests 2580 continue 2581 ;; 2582 *-softmmu) 2583 test -f $source_path/tests/tcg/$arch/Makefile.softmmu-target || continue 2584 qemu="qemu-system-$arch" 2585 ;; 2586 *-linux-user|*-bsd-user) 2587 qemu="qemu-$arch" 2588 ;; 2589 esac 2590 2591 probe_target_compiler $target 2592 if test $got_cross_cc = yes; then 2593 # Test for compiler features for optional tests. We only do this 2594 # for cross compilers because ensuring the docker containers based 2595 # compilers is a requirememt for adding a new test that needs a 2596 # compiler feature. 2597 2598 echo "BUILD_STATIC=$build_static" >> $config_target_mak 2599 write_target_makefile >> $config_target_mak 2600 case $target in 2601 aarch64-*) 2602 if do_compiler "$target_cc" $target_cflags \ 2603 -march=armv8.1-a+sve -o $TMPE $TMPC; then 2604 echo "CROSS_CC_HAS_SVE=y" >> $config_target_mak 2605 fi 2606 if do_compiler "$target_cc" $target_cflags \ 2607 -march=armv8.1-a+sve2 -o $TMPE $TMPC; then 2608 echo "CROSS_CC_HAS_SVE2=y" >> $config_target_mak 2609 fi 2610 if do_compiler "$target_cc" $target_cflags \ 2611 -march=armv8.3-a -o $TMPE $TMPC; then 2612 echo "CROSS_CC_HAS_ARMV8_3=y" >> $config_target_mak 2613 fi 2614 if do_compiler "$target_cc" $target_cflags \ 2615 -mbranch-protection=standard -o $TMPE $TMPC; then 2616 echo "CROSS_CC_HAS_ARMV8_BTI=y" >> $config_target_mak 2617 fi 2618 if do_compiler "$target_cc" $target_cflags \ 2619 -march=armv8.5-a+memtag -o $TMPE $TMPC; then 2620 echo "CROSS_CC_HAS_ARMV8_MTE=y" >> $config_target_mak 2621 fi 2622 ;; 2623 ppc*) 2624 if do_compiler "$target_cc" $target_cflags \ 2625 -mpower8-vector -o $TMPE $TMPC; then 2626 echo "CROSS_CC_HAS_POWER8_VECTOR=y" >> $config_target_mak 2627 fi 2628 if do_compiler "$target_cc" $target_cflags \ 2629 -mpower10 -o $TMPE $TMPC; then 2630 echo "CROSS_CC_HAS_POWER10=y" >> $config_target_mak 2631 fi 2632 ;; 2633 i386-linux-user) 2634 if do_compiler "$target_cc" $target_cflags \ 2635 -Werror -fno-pie -o $TMPE $TMPC; then 2636 echo "CROSS_CC_HAS_I386_NOPIE=y" >> $config_target_mak 2637 fi 2638 ;; 2639 esac 2640 elif test -n "$container_image"; then 2641 echo "build-tcg-tests-$target: docker-image-$container_image" >> $makefile 2642 echo "BUILD_STATIC=y" >> $config_target_mak 2643 write_container_target_makefile >> $config_target_mak 2644 case $target in 2645 aarch64-*) 2646 echo "CROSS_CC_HAS_SVE=y" >> $config_target_mak 2647 echo "CROSS_CC_HAS_SVE2=y" >> $config_target_mak 2648 echo "CROSS_CC_HAS_ARMV8_3=y" >> $config_target_mak 2649 echo "CROSS_CC_HAS_ARMV8_BTI=y" >> $config_target_mak 2650 echo "CROSS_CC_HAS_ARMV8_MTE=y" >> $config_target_mak 2651 ;; 2652 ppc*) 2653 echo "CROSS_CC_HAS_POWER8_VECTOR=y" >> $config_target_mak 2654 echo "CROSS_CC_HAS_POWER10=y" >> $config_target_mak 2655 ;; 2656 i386-linux-user) 2657 echo "CROSS_CC_HAS_I386_NOPIE=y" >> $config_target_mak 2658 ;; 2659 esac 2660 got_cross_cc=yes 2661 fi 2662 if test $got_cross_cc = yes; then 2663 mkdir -p tests/tcg/$target 2664 echo "QEMU=$PWD/$qemu" >> $config_target_mak 2665 echo "run-tcg-tests-$target: $qemu\$(EXESUF)" >> $makefile 2666 tcg_tests_targets="$tcg_tests_targets $target" 2667 fi 2668done 2669echo "TCG_TESTS_TARGETS=$tcg_tests_targets" >> $makefile) 2670 2671if test "$skip_meson" = no; then 2672 cross="config-meson.cross.new" 2673 meson_quote() { 2674 test $# = 0 && return 2675 echo "'$(echo $* | sed "s/ /','/g")'" 2676 } 2677 2678 echo "# Automatically generated by configure - do not modify" > $cross 2679 echo "[properties]" >> $cross 2680 2681 # unroll any custom device configs 2682 for a in $device_archs; do 2683 eval "c=\$devices_${a}" 2684 echo "${a}-softmmu = '$c'" >> $cross 2685 done 2686 2687 test -z "$cxx" && echo "link_language = 'c'" >> $cross 2688 echo "[built-in options]" >> $cross 2689 echo "c_args = [$(meson_quote $CFLAGS $EXTRA_CFLAGS)]" >> $cross 2690 echo "cpp_args = [$(meson_quote $CXXFLAGS $EXTRA_CXXFLAGS)]" >> $cross 2691 test -n "$objcc" && echo "objc_args = [$(meson_quote $OBJCFLAGS $EXTRA_OBJCFLAGS)]" >> $cross 2692 echo "c_link_args = [$(meson_quote $CFLAGS $LDFLAGS $EXTRA_CFLAGS $EXTRA_LDFLAGS)]" >> $cross 2693 echo "cpp_link_args = [$(meson_quote $CXXFLAGS $LDFLAGS $EXTRA_CXXFLAGS $EXTRA_LDFLAGS)]" >> $cross 2694 echo "[binaries]" >> $cross 2695 echo "c = [$(meson_quote $cc $CPU_CFLAGS)]" >> $cross 2696 test -n "$cxx" && echo "cpp = [$(meson_quote $cxx $CPU_CFLAGS)]" >> $cross 2697 test -n "$objcc" && echo "objc = [$(meson_quote $objcc $CPU_CFLAGS)]" >> $cross 2698 echo "ar = [$(meson_quote $ar)]" >> $cross 2699 echo "nm = [$(meson_quote $nm)]" >> $cross 2700 echo "pkgconfig = [$(meson_quote $pkg_config_exe)]" >> $cross 2701 echo "ranlib = [$(meson_quote $ranlib)]" >> $cross 2702 if has $sdl2_config; then 2703 echo "sdl2-config = [$(meson_quote $sdl2_config)]" >> $cross 2704 fi 2705 echo "strip = [$(meson_quote $strip)]" >> $cross 2706 echo "widl = [$(meson_quote $widl)]" >> $cross 2707 echo "windres = [$(meson_quote $windres)]" >> $cross 2708 if test "$cross_compile" = "yes"; then 2709 cross_arg="--cross-file config-meson.cross" 2710 echo "[host_machine]" >> $cross 2711 echo "system = '$targetos'" >> $cross 2712 case "$cpu" in 2713 i386) 2714 echo "cpu_family = 'x86'" >> $cross 2715 ;; 2716 *) 2717 echo "cpu_family = '$cpu'" >> $cross 2718 ;; 2719 esac 2720 echo "cpu = '$cpu'" >> $cross 2721 if test "$bigendian" = "yes" ; then 2722 echo "endian = 'big'" >> $cross 2723 else 2724 echo "endian = 'little'" >> $cross 2725 fi 2726 else 2727 cross_arg="--native-file config-meson.cross" 2728 fi 2729 mv $cross config-meson.cross 2730 2731 rm -rf meson-private meson-info meson-logs 2732 2733 # Built-in options 2734 test "$bindir" != "bin" && meson_option_add "-Dbindir=$bindir" 2735 test "$default_feature" = no && meson_option_add -Dauto_features=disabled 2736 test "$pie" = no && meson_option_add -Db_pie=false 2737 test "$werror" = yes && meson_option_add -Dwerror=true 2738 2739 # QEMU options 2740 test "$cfi" != false && meson_option_add "-Dcfi=$cfi" 2741 test "$fdt" != auto && meson_option_add "-Dfdt=$fdt" 2742 test -n "${LIB_FUZZING_ENGINE+xxx}" && meson_option_add "-Dfuzzing_engine=$LIB_FUZZING_ENGINE" 2743 test "$qemu_suffix" != qemu && meson_option_add "-Dqemu_suffix=$qemu_suffix" 2744 test "$slirp" != auto && meson_option_add "-Dslirp=$slirp" 2745 test "$smbd" != '' && meson_option_add "-Dsmbd=$smbd" 2746 test "$tcg" != enabled && meson_option_add "-Dtcg=$tcg" 2747 test "$vfio_user_server" != auto && meson_option_add "-Dvfio_user_server=$vfio_user_server" 2748 run_meson() { 2749 NINJA=$ninja $meson setup --prefix "$prefix" "$@" $cross_arg "$PWD" "$source_path" 2750 } 2751 eval run_meson $meson_options 2752 if test "$?" -ne 0 ; then 2753 error_exit "meson setup failed" 2754 fi 2755else 2756 if test -f meson-private/cmd_line.txt; then 2757 # Adjust old command line options whose type was changed 2758 # Avoids having to use "setup --wipe" when Meson is upgraded 2759 perl -i -ne ' 2760 s/^gettext = true$/gettext = auto/; 2761 s/^gettext = false$/gettext = disabled/; 2762 /^b_staticpic/ && next; 2763 print;' meson-private/cmd_line.txt 2764 fi 2765fi 2766 2767# Save the configure command line for later reuse. 2768cat <<EOD >config.status 2769#!/bin/sh 2770# Generated by configure. 2771# Run this file to recreate the current configuration. 2772# Compiler output produced by configure, useful for debugging 2773# configure, is in config.log if it exists. 2774EOD 2775 2776preserve_env() { 2777 envname=$1 2778 2779 eval envval=\$$envname 2780 2781 if test -n "$envval" 2782 then 2783 echo "$envname='$envval'" >> config.status 2784 echo "export $envname" >> config.status 2785 else 2786 echo "unset $envname" >> config.status 2787 fi 2788} 2789 2790# Preserve various env variables that influence what 2791# features/build target configure will detect 2792preserve_env AR 2793preserve_env AS 2794preserve_env CC 2795preserve_env CFLAGS 2796preserve_env CXX 2797preserve_env CXXFLAGS 2798preserve_env LD 2799preserve_env LDFLAGS 2800preserve_env LD_LIBRARY_PATH 2801preserve_env MAKE 2802preserve_env NM 2803preserve_env OBJCFLAGS 2804preserve_env OBJCOPY 2805preserve_env PATH 2806preserve_env PKG_CONFIG 2807preserve_env PKG_CONFIG_LIBDIR 2808preserve_env PKG_CONFIG_PATH 2809preserve_env PYTHON 2810preserve_env SDL2_CONFIG 2811preserve_env SMBD 2812preserve_env STRIP 2813preserve_env WIDL 2814preserve_env WINDRES 2815 2816printf "exec" >>config.status 2817for i in "$0" "$@"; do 2818 test "$i" = --skip-meson || printf " %s" "$(quote_sh "$i")" >>config.status 2819done 2820echo ' "$@"' >>config.status 2821chmod +x config.status 2822 2823rm -r "$TMPDIR1" 2824