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