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