#!/bin/sh # # qemu configure script (c) 2003 Fabrice Bellard # # Unset some variables known to interfere with behavior of common tools, # just as autoconf does. CLICOLOR_FORCE= GREP_OPTIONS= unset CLICOLOR_FORCE GREP_OPTIONS # Don't allow CCACHE, if present, to use cached results of compile tests! export CCACHE_RECACHE=yes # make source path absolute source_path=$(cd "$(dirname -- "$0")"; pwd) if test "$PWD" = "$source_path" then echo "Using './build' as the directory for build output" MARKER=build/auto-created-by-configure if test -e build then if test -f $MARKER then rm -rf build else echo "ERROR: ./build dir already exists and was not previously created by configure" exit 1 fi fi mkdir build touch $MARKER cat > GNUmakefile <<'EOF' # This file is auto-generated by configure to support in-source tree # 'make' command invocation ifeq ($(MAKECMDGOALS),) recurse: all endif .NOTPARALLEL: % %: force @echo 'changing dir to build for $(MAKE) "$(MAKECMDGOALS)"...' @$(MAKE) -C build -f Makefile $(MAKECMDGOALS) @if test "$(MAKECMDGOALS)" = "distclean" && \ test -e build/auto-created-by-configure ; \ then \ rm -rf build GNUmakefile ; \ fi force: ; .PHONY: force GNUmakefile: ; EOF cd build exec $source_path/configure "$@" fi # Temporary directory used for files created while # configure runs. Since it is in the build directory # we can safely blow away any previous version of it # (and we need not jump through hoops to try to delete # it when configure exits.) TMPDIR1="config-temp" rm -rf "${TMPDIR1}" mkdir -p "${TMPDIR1}" if [ $? -ne 0 ]; then echo "ERROR: failed to create temporary directory" exit 1 fi TMPB="qemu-conf" TMPC="${TMPDIR1}/${TMPB}.c" TMPO="${TMPDIR1}/${TMPB}.o" TMPCXX="${TMPDIR1}/${TMPB}.cxx" TMPE="${TMPDIR1}/${TMPB}.exe" TMPTXT="${TMPDIR1}/${TMPB}.txt" rm -f config.log # Print a helpful header at the top of config.log echo "# QEMU configure log $(date)" >> config.log printf "# Configured with:" >> config.log printf " '%s'" "$0" "$@" >> config.log echo >> config.log echo "#" >> config.log quote_sh() { printf "%s" "$1" | sed "s,','\\\\'',g; s,.*,'&'," } print_error() { (echo echo "ERROR: $1" while test -n "$2"; do echo " $2" shift done echo) >&2 } error_exit() { print_error "$@" exit 1 } do_compiler() { # Run the compiler, capturing its output to the log. First argument # is compiler binary to execute. compiler="$1" shift if test -n "$BASH_VERSION"; then eval ' echo >>config.log " funcs: ${FUNCNAME[*]} lines: ${BASH_LINENO[*]}" '; fi echo $compiler "$@" >> config.log $compiler "$@" >> config.log 2>&1 || return $? # Test passed. If this is an --enable-werror build, rerun # the test with -Werror and bail out if it fails. This # makes warning-generating-errors in configure test code # obvious to developers. if test "$werror" != "yes"; then return 0 fi # Don't bother rerunning the compile if we were already using -Werror case "$*" in *-Werror*) return 0 ;; esac echo $compiler -Werror "$@" >> config.log $compiler -Werror "$@" >> config.log 2>&1 && return $? error_exit "configure test passed without -Werror but failed with -Werror." \ "This is probably a bug in the configure script. The failing command" \ "will be at the bottom of config.log." \ "You can run configure with --disable-werror to bypass this check." } do_cc() { do_compiler "$cc" "$@" } do_cxx() { do_compiler "$cxx" "$@" } # Append $2 to the variable named $1, with space separation add_to() { eval $1=\${$1:+\"\$$1 \"}\$2 } update_cxxflags() { # Set QEMU_CXXFLAGS from QEMU_CFLAGS by filtering out those # options which some versions of GCC's C++ compiler complain about # because they only make sense for C programs. QEMU_CXXFLAGS="$QEMU_CXXFLAGS -D__STDC_LIMIT_MACROS -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS" CONFIGURE_CXXFLAGS=$(echo "$CONFIGURE_CFLAGS" | sed s/-std=gnu11/-std=gnu++11/) for arg in $QEMU_CFLAGS; do case $arg in -Wstrict-prototypes|-Wmissing-prototypes|-Wnested-externs|\ -Wold-style-declaration|-Wold-style-definition|-Wredundant-decls) ;; *) QEMU_CXXFLAGS=${QEMU_CXXFLAGS:+$QEMU_CXXFLAGS }$arg ;; esac done } compile_object() { local_cflags="$1" do_cc $CFLAGS $CONFIGURE_CFLAGS $QEMU_CFLAGS $local_cflags -c -o $TMPO $TMPC } compile_prog() { local_cflags="$1" local_ldflags="$2" do_cc $CFLAGS $CONFIGURE_CFLAGS $QEMU_CFLAGS $local_cflags -o $TMPE $TMPC \ $LDFLAGS $CONFIGURE_LDFLAGS $QEMU_LDFLAGS $local_ldflags } # symbolically link $1 to $2. Portable version of "ln -sf". symlink() { rm -rf "$2" mkdir -p "$(dirname "$2")" ln -s "$1" "$2" } # check whether a command is available to this shell (may be either an # executable or a builtin) has() { type "$1" >/dev/null 2>&1 } version_ge () { local_ver1=$(expr "$1" : '\([0-9.]*\)' | tr . ' ') local_ver2=$(echo "$2" | tr . ' ') while true; do set x $local_ver1 local_first=${2-0} # 'shift 2' if $2 is set, or 'shift' if $2 is not set shift ${2:+2} local_ver1=$* set x $local_ver2 # the second argument finished, the first must be greater or equal test $# = 1 && return 0 test $local_first -lt $2 && return 1 test $local_first -gt $2 && return 0 shift ${2:+2} local_ver2=$* done } have_backend () { echo "$trace_backends" | grep "$1" >/dev/null } glob() { eval test -z '"${1#'"$2"'}"' } ld_has() { $ld --help 2>/dev/null | grep ".$1" >/dev/null 2>&1 } if printf %s\\n "$source_path" "$PWD" | grep -q "[[:space:]:]"; then error_exit "main directory cannot contain spaces nor colons" fi # default parameters cpu="" iasl="iasl" interp_prefix="/usr/gnemul/qemu-%M" static="no" cross_compile="no" cross_prefix="" audio_drv_list="" block_drv_rw_whitelist="" block_drv_ro_whitelist="" host_cc="cc" audio_win_int="" libs_qga="" debug_info="yes" lto="false" stack_protector="" safe_stack="" use_containers="yes" gdb_bin=$(command -v "gdb-multiarch" || command -v "gdb") if test -e "$source_path/.git" then git_submodules_action="update" else git_submodules_action="ignore" fi git_submodules="ui/keycodemapdb" git="git" # Don't accept a target_list environment variable. unset target_list unset target_list_exclude # Default value for a variable defining feature "foo". # * foo="no" feature will only be used if --enable-foo arg is given # * foo="" feature will be searched for, and if found, will be used # unless --disable-foo is given # * foo="yes" this value will only be set by --enable-foo flag. # feature will searched for, # if not found, configure exits with error # # Always add --enable-foo and --disable-foo command line args. # Distributions want to ensure that several features are compiled in, and it # is impossible without a --enable-foo that exits if a feature is not found. default_feature="" # parse CC options second for opt do optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)') case "$opt" in --without-default-features) default_feature="no" ;; esac done brlapi="auto" curl="auto" iconv="auto" curses="auto" docs="auto" fdt="auto" netmap="no" sdl="auto" sdl_image="auto" coreaudio="auto" virtiofsd="auto" virtfs="auto" libudev="auto" mpath="auto" vnc="enabled" sparse="auto" vde="$default_feature" vnc_sasl="auto" vnc_jpeg="auto" vnc_png="auto" xkbcommon="auto" xen="$default_feature" xen_ctrl_version="$default_feature" xen_pci_passthrough="auto" linux_aio="$default_feature" linux_io_uring="$default_feature" cap_ng="auto" attr="auto" xfs="$default_feature" tcg="enabled" membarrier="$default_feature" vhost_net="$default_feature" vhost_crypto="$default_feature" vhost_scsi="$default_feature" vhost_vsock="$default_feature" vhost_user="no" vhost_user_blk_server="auto" vhost_user_fs="$default_feature" bpf="auto" kvm="auto" hax="auto" hvf="auto" whpx="auto" nvmm="auto" rdma="$default_feature" pvrdma="$default_feature" gprof="no" debug_tcg="no" debug="no" sanitizers="no" tsan="no" fortify_source="$default_feature" strip_opt="yes" tcg_interpreter="false" bigendian="no" mingw32="no" gcov="no" EXESUF="" HOST_DSOSUF=".so" modules="no" module_upgrades="no" prefix="/usr/local" qemu_suffix="qemu" slirp="auto" oss_lib="" bsd="no" linux="no" solaris="no" profiler="no" cocoa="auto" softmmu="yes" linux_user="no" bsd_user="no" blobs="true" pkgversion="" pie="" qom_cast_debug="yes" trace_backends="log" trace_file="trace" spice="$default_feature" spice_protocol="auto" rbd="auto" smartcard="$default_feature" u2f="auto" libusb="$default_feature" usb_redir="$default_feature" opengl="$default_feature" cpuid_h="no" avx2_opt="$default_feature" capstone="auto" lzo="auto" snappy="auto" bzip2="auto" lzfse="auto" zstd="auto" guest_agent="$default_feature" guest_agent_with_vss="no" guest_agent_ntddscsi="no" guest_agent_msi="auto" vss_win32_sdk="$default_feature" win_sdk="no" want_tools="$default_feature" libiscsi="auto" libnfs="auto" coroutine="" coroutine_pool="$default_feature" debug_stack_usage="no" crypto_afalg="no" cfi="false" cfi_debug="false" seccomp="auto" glusterfs="auto" gtk="auto" tls_priority="NORMAL" gnutls="$default_feature" nettle="$default_feature" nettle_xts="no" gcrypt="$default_feature" gcrypt_xts="no" qemu_private_xts="yes" auth_pam="$default_feature" vte="$default_feature" virglrenderer="$default_feature" tpm="$default_feature" libssh="$default_feature" live_block_migration=${default_feature:-yes} numa="$default_feature" tcmalloc="no" jemalloc="no" replication=${default_feature:-yes} bochs=${default_feature:-yes} cloop=${default_feature:-yes} dmg=${default_feature:-yes} qcow1=${default_feature:-yes} vdi=${default_feature:-yes} vvfat=${default_feature:-yes} qed=${default_feature:-yes} parallels=${default_feature:-yes} libxml2="$default_feature" debug_mutex="no" libpmem="$default_feature" default_devices="true" plugins="no" fuzzing="no" rng_none="no" secret_keyring="$default_feature" libdaxctl="$default_feature" meson="" ninja="" skip_meson=no gettext="auto" fuse="auto" fuse_lseek="auto" multiprocess="auto" slirp_smbd="$default_feature" malloc_trim="auto" gio="$default_feature" # parse CC options second for opt do optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)') case "$opt" in --cross-prefix=*) cross_prefix="$optarg" cross_compile="yes" ;; --cc=*) CC="$optarg" ;; --cxx=*) CXX="$optarg" ;; --cpu=*) cpu="$optarg" ;; --extra-cflags=*) QEMU_CFLAGS="$QEMU_CFLAGS $optarg" QEMU_LDFLAGS="$QEMU_LDFLAGS $optarg" ;; --extra-cxxflags=*) QEMU_CXXFLAGS="$QEMU_CXXFLAGS $optarg" ;; --extra-ldflags=*) QEMU_LDFLAGS="$QEMU_LDFLAGS $optarg" EXTRA_LDFLAGS="$optarg" ;; --enable-debug-info) debug_info="yes" ;; --disable-debug-info) debug_info="no" ;; --cross-cc-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --cross-cc-FOO option" ;; --cross-cc-cflags-*) cc_arch=${opt#--cross-cc-flags-}; cc_arch=${cc_arch%%=*} eval "cross_cc_cflags_${cc_arch}=\$optarg" cross_cc_vars="$cross_cc_vars cross_cc_cflags_${cc_arch}" ;; --cross-cc-*) cc_arch=${opt#--cross-cc-}; cc_arch=${cc_arch%%=*} cc_archs="$cc_archs $cc_arch" eval "cross_cc_${cc_arch}=\$optarg" cross_cc_vars="$cross_cc_vars cross_cc_${cc_arch}" ;; esac done # OS specific # Using uname is really, really broken. Once we have the right set of checks # we can eliminate its usage altogether. # Preferred compiler: # ${CC} (if set) # ${cross_prefix}gcc (if cross-prefix specified) # system compiler if test -z "${CC}${cross_prefix}"; then cc="$host_cc" else cc="${CC-${cross_prefix}gcc}" fi if test -z "${CXX}${cross_prefix}"; then cxx="c++" else cxx="${CXX-${cross_prefix}g++}" fi ar="${AR-${cross_prefix}ar}" as="${AS-${cross_prefix}as}" ccas="${CCAS-$cc}" cpp="${CPP-$cc -E}" objcopy="${OBJCOPY-${cross_prefix}objcopy}" ld="${LD-${cross_prefix}ld}" ranlib="${RANLIB-${cross_prefix}ranlib}" nm="${NM-${cross_prefix}nm}" strip="${STRIP-${cross_prefix}strip}" windres="${WINDRES-${cross_prefix}windres}" pkg_config_exe="${PKG_CONFIG-${cross_prefix}pkg-config}" query_pkg_config() { "${pkg_config_exe}" ${QEMU_PKG_CONFIG_FLAGS} "$@" } pkg_config=query_pkg_config sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}" # If the user hasn't specified ARFLAGS, default to 'rv', just as make does. ARFLAGS="${ARFLAGS-rv}" # default flags for all hosts # We use -fwrapv to tell the compiler that we require a C dialect where # left shift of signed integers is well defined and has the expected # 2s-complement style results. (Both clang and gcc agree that it # provides these semantics.) QEMU_CFLAGS="-fno-strict-aliasing -fno-common -fwrapv $QEMU_CFLAGS" QEMU_CFLAGS="-Wundef -Wwrite-strings -Wmissing-prototypes $QEMU_CFLAGS" QEMU_CFLAGS="-Wstrict-prototypes -Wredundant-decls $QEMU_CFLAGS" QEMU_CFLAGS="-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE $QEMU_CFLAGS" # Flags that are needed during configure but later taken care of by Meson CONFIGURE_CFLAGS="-std=gnu11 -Wall" CONFIGURE_LDFLAGS= check_define() { cat > $TMPC < $TMPC < int main(void) { return 0; } EOF compile_object } write_c_skeleton() { cat > $TMPC < $TMPC < #include int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size); int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { return 0; } EOF } if check_define __linux__ ; then targetos="Linux" elif check_define _WIN32 ; then targetos='MINGW32' elif check_define __OpenBSD__ ; then targetos='OpenBSD' elif check_define __sun__ ; then targetos='SunOS' elif check_define __HAIKU__ ; then targetos='Haiku' elif check_define __FreeBSD__ ; then targetos='FreeBSD' elif check_define __FreeBSD_kernel__ && check_define __GLIBC__; then targetos='GNU/kFreeBSD' elif check_define __DragonFly__ ; then targetos='DragonFly' elif check_define __NetBSD__; then targetos='NetBSD' elif check_define __APPLE__; then targetos='Darwin' else # This is a fatal error, but don't report it yet, because we # might be going to just print the --help text, or it might # be the result of a missing compiler. targetos='bogus' fi # Some host OSes need non-standard checks for which CPU to use. # Note that these checks are broken for cross-compilation: if you're # cross-compiling to one of these OSes then you'll need to specify # the correct CPU with the --cpu option. case $targetos in Darwin) HOST_DSOSUF=".dylib" ;; SunOS) # $(uname -m) returns i86pc even on an x86_64 box, so default based on isainfo if test -z "$cpu" && test "$(isainfo -k)" = "amd64"; then cpu="x86_64" fi esac if test ! -z "$cpu" ; then # command line argument : elif check_define __i386__ ; then cpu="i386" elif check_define __x86_64__ ; then if check_define __ILP32__ ; then cpu="x32" else cpu="x86_64" fi elif check_define __sparc__ ; then if check_define __arch64__ ; then cpu="sparc64" else cpu="sparc" fi elif check_define _ARCH_PPC ; then if check_define _ARCH_PPC64 ; then if check_define _LITTLE_ENDIAN ; then cpu="ppc64le" else cpu="ppc64" fi else cpu="ppc" fi elif check_define __mips__ ; then cpu="mips" elif check_define __s390__ ; then if check_define __s390x__ ; then cpu="s390x" else cpu="s390" fi elif check_define __riscv ; then if check_define _LP64 ; then cpu="riscv64" else cpu="riscv32" fi elif check_define __arm__ ; then cpu="arm" elif check_define __aarch64__ ; then cpu="aarch64" else cpu=$(uname -m) fi ARCH= # Normalise host CPU name and set ARCH. # Note that this case should only have supported host CPUs, not guests. case "$cpu" in ppc|ppc64|s390x|sparc64|x32|riscv32|riscv64) ;; ppc64le) ARCH="ppc64" ;; i386|i486|i586|i686|i86pc|BePC) cpu="i386" ;; x86_64|amd64) cpu="x86_64" ;; armv*b|armv*l|arm) cpu="arm" ;; aarch64) cpu="aarch64" ;; mips*) cpu="mips" ;; sparc|sun4[cdmuv]) cpu="sparc" ;; *) # This will result in either an error or falling back to TCI later ARCH=unknown ;; esac if test -z "$ARCH"; then ARCH="$cpu" fi # OS specific case $targetos in MINGW32*) mingw32="yes" audio_possible_drivers="dsound sdl" if check_include dsound.h; then audio_drv_list="dsound" else audio_drv_list="" fi supported_os="yes" pie="no" ;; GNU/kFreeBSD) bsd="yes" audio_drv_list="oss try-sdl" audio_possible_drivers="oss sdl pa" ;; FreeBSD) bsd="yes" make="${MAKE-gmake}" audio_drv_list="oss try-sdl" audio_possible_drivers="oss sdl pa" # needed for kinfo_getvmmap(3) in libutil.h netmap="" # enable netmap autodetect ;; DragonFly) bsd="yes" make="${MAKE-gmake}" audio_drv_list="oss try-sdl" audio_possible_drivers="oss sdl pa" ;; NetBSD) bsd="yes" make="${MAKE-gmake}" audio_drv_list="oss try-sdl" audio_possible_drivers="oss sdl" oss_lib="-lossaudio" ;; OpenBSD) bsd="yes" make="${MAKE-gmake}" audio_drv_list="try-sdl" audio_possible_drivers="sdl" ;; Darwin) bsd="yes" darwin="yes" audio_drv_list="try-coreaudio try-sdl" audio_possible_drivers="coreaudio sdl" # Disable attempts to use ObjectiveC features in os/object.h since they # won't work when we're compiling with gcc as a C compiler. QEMU_CFLAGS="-DOS_OBJECT_USE_OBJC=0 $QEMU_CFLAGS" ;; SunOS) solaris="yes" make="${MAKE-gmake}" smbd="${SMBD-/usr/sfw/sbin/smbd}" if test -f /usr/include/sys/soundcard.h ; then audio_drv_list="oss try-sdl" fi audio_possible_drivers="oss sdl" # needed for CMSG_ macros in sys/socket.h QEMU_CFLAGS="-D_XOPEN_SOURCE=600 $QEMU_CFLAGS" # needed for TIOCWIN* defines in termios.h QEMU_CFLAGS="-D__EXTENSIONS__ $QEMU_CFLAGS" ;; Haiku) haiku="yes" QEMU_CFLAGS="-DB_USE_POSITIVE_POSIX_ERRORS -D_BSD_SOURCE $QEMU_CFLAGS" ;; Linux) audio_drv_list="try-pa oss" audio_possible_drivers="oss alsa sdl pa" linux="yes" linux_user="yes" vhost_user=${default_feature:-yes} ;; esac if [ "$bsd" = "yes" ] ; then if [ "$darwin" != "yes" ] ; then bsd_user="yes" fi fi : ${make=${MAKE-make}} # We prefer python 3.x. A bare 'python' is traditionally # python 2.x, but some distros have it as python 3.x, so # we check that too python= explicit_python=no for binary in "${PYTHON-python3}" python do if has "$binary" then python=$(command -v "$binary") break fi done # Check for ancillary tools used in testing genisoimage= for binary in genisoimage mkisofs do if has $binary then genisoimage=$(command -v "$binary") break fi done # Default objcc to clang if available, otherwise use CC if has clang; then objcc=clang else objcc="$cc" fi if test "$mingw32" = "yes" ; then EXESUF=".exe" HOST_DSOSUF=".dll" # MinGW needs -mthreads for TLS and macro _MT. CONFIGURE_CFLAGS="-mthreads $CONFIGURE_CFLAGS" write_c_skeleton; prefix="/qemu" qemu_suffix="" libs_qga="-lws2_32 -lwinmm -lpowrprof -lwtsapi32 -lwininet -liphlpapi -lnetapi32 $libs_qga" fi werror="" for opt do optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)') case "$opt" in --help|-h) show_help=yes ;; --version|-V) exec cat $source_path/VERSION ;; --prefix=*) prefix="$optarg" ;; --interp-prefix=*) interp_prefix="$optarg" ;; --cross-prefix=*) ;; --cc=*) ;; --host-cc=*) host_cc="$optarg" ;; --cxx=*) ;; --iasl=*) iasl="$optarg" ;; --objcc=*) objcc="$optarg" ;; --make=*) make="$optarg" ;; --install=*) ;; --python=*) python="$optarg" ; explicit_python=yes ;; --sphinx-build=*) sphinx_build="$optarg" ;; --skip-meson) skip_meson=yes ;; --meson=*) meson="$optarg" ;; --ninja=*) ninja="$optarg" ;; --smbd=*) smbd="$optarg" ;; --extra-cflags=*) ;; --extra-cxxflags=*) ;; --extra-ldflags=*) ;; --enable-debug-info) ;; --disable-debug-info) ;; --cross-cc-*) ;; --enable-modules) modules="yes" ;; --disable-modules) modules="no" ;; --disable-module-upgrades) module_upgrades="no" ;; --enable-module-upgrades) module_upgrades="yes" ;; --cpu=*) ;; --target-list=*) target_list="$optarg" if test "$target_list_exclude"; then error_exit "Can't mix --target-list with --target-list-exclude" fi ;; --target-list-exclude=*) target_list_exclude="$optarg" if test "$target_list"; then error_exit "Can't mix --target-list-exclude with --target-list" fi ;; --enable-trace-backends=*) trace_backends="$optarg" ;; # XXX: backwards compatibility --enable-trace-backend=*) trace_backends="$optarg" ;; --with-trace-file=*) trace_file="$optarg" ;; --with-default-devices) default_devices="true" ;; --without-default-devices) default_devices="false" ;; --without-default-features) # processed above ;; --enable-gprof) gprof="yes" ;; --enable-gcov) gcov="yes" ;; --static) static="yes" QEMU_PKG_CONFIG_FLAGS="--static $QEMU_PKG_CONFIG_FLAGS" ;; --mandir=*) mandir="$optarg" ;; --bindir=*) bindir="$optarg" ;; --libdir=*) libdir="$optarg" ;; --libexecdir=*) libexecdir="$optarg" ;; --includedir=*) includedir="$optarg" ;; --datadir=*) datadir="$optarg" ;; --with-suffix=*) qemu_suffix="$optarg" ;; --docdir=*) docdir="$optarg" ;; --localedir=*) localedir="$optarg" ;; --sysconfdir=*) sysconfdir="$optarg" ;; --localstatedir=*) local_statedir="$optarg" ;; --firmwarepath=*) firmwarepath="$optarg" ;; --host=*|--build=*|\ --disable-dependency-tracking|\ --sbindir=*|--sharedstatedir=*|\ --oldincludedir=*|--datarootdir=*|--infodir=*|\ --htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*) # These switches are silently ignored, for compatibility with # autoconf-generated configure scripts. This allows QEMU's # configure to be used by RPM and similar macros that set # lots of directory switches by default. ;; --disable-sdl) sdl="disabled" ;; --enable-sdl) sdl="enabled" ;; --disable-sdl-image) sdl_image="disabled" ;; --enable-sdl-image) sdl_image="enabled" ;; --disable-qom-cast-debug) qom_cast_debug="no" ;; --enable-qom-cast-debug) qom_cast_debug="yes" ;; --disable-virtfs) virtfs="disabled" ;; --enable-virtfs) virtfs="enabled" ;; --disable-libudev) libudev="disabled" ;; --enable-libudev) libudev="enabled" ;; --disable-virtiofsd) virtiofsd="disabled" ;; --enable-virtiofsd) virtiofsd="enabled" ;; --disable-mpath) mpath="disabled" ;; --enable-mpath) mpath="enabled" ;; --disable-vnc) vnc="disabled" ;; --enable-vnc) vnc="enabled" ;; --disable-gettext) gettext="disabled" ;; --enable-gettext) gettext="enabled" ;; --oss-lib=*) oss_lib="$optarg" ;; --audio-drv-list=*) audio_drv_list="$optarg" ;; --block-drv-rw-whitelist=*|--block-drv-whitelist=*) block_drv_rw_whitelist=$(echo "$optarg" | sed -e 's/,/ /g') ;; --block-drv-ro-whitelist=*) block_drv_ro_whitelist=$(echo "$optarg" | sed -e 's/,/ /g') ;; --enable-debug-tcg) debug_tcg="yes" ;; --disable-debug-tcg) debug_tcg="no" ;; --enable-debug) # Enable debugging options that aren't excessively noisy debug_tcg="yes" debug_mutex="yes" debug="yes" strip_opt="no" fortify_source="no" ;; --enable-sanitizers) sanitizers="yes" ;; --disable-sanitizers) sanitizers="no" ;; --enable-tsan) tsan="yes" ;; --disable-tsan) tsan="no" ;; --enable-sparse) sparse="enabled" ;; --disable-sparse) sparse="disabled" ;; --disable-strip) strip_opt="no" ;; --disable-vnc-sasl) vnc_sasl="disabled" ;; --enable-vnc-sasl) vnc_sasl="enabled" ;; --disable-vnc-jpeg) vnc_jpeg="disabled" ;; --enable-vnc-jpeg) vnc_jpeg="enabled" ;; --disable-vnc-png) vnc_png="disabled" ;; --enable-vnc-png) vnc_png="enabled" ;; --disable-slirp) slirp="disabled" ;; --enable-slirp) slirp="enabled" ;; --enable-slirp=git) slirp="internal" ;; --enable-slirp=system) slirp="system" ;; --disable-vde) vde="no" ;; --enable-vde) vde="yes" ;; --disable-netmap) netmap="no" ;; --enable-netmap) netmap="yes" ;; --disable-xen) xen="disabled" ;; --enable-xen) xen="enabled" ;; --disable-xen-pci-passthrough) xen_pci_passthrough="disabled" ;; --enable-xen-pci-passthrough) xen_pci_passthrough="enabled" ;; --disable-brlapi) brlapi="disabled" ;; --enable-brlapi) brlapi="enabled" ;; --disable-kvm) kvm="disabled" ;; --enable-kvm) kvm="enabled" ;; --disable-hax) hax="disabled" ;; --enable-hax) hax="enabled" ;; --disable-hvf) hvf="disabled" ;; --enable-hvf) hvf="enabled" ;; --disable-nvmm) nvmm="disabled" ;; --enable-nvmm) nvmm="enabled" ;; --disable-whpx) whpx="disabled" ;; --enable-whpx) whpx="enabled" ;; --disable-tcg-interpreter) tcg_interpreter="false" ;; --enable-tcg-interpreter) tcg_interpreter="true" ;; --disable-cap-ng) cap_ng="disabled" ;; --enable-cap-ng) cap_ng="enabled" ;; --disable-tcg) tcg="disabled" ;; --enable-tcg) tcg="enabled" ;; --disable-malloc-trim) malloc_trim="disabled" ;; --enable-malloc-trim) malloc_trim="enabled" ;; --disable-spice) spice="no" ;; --enable-spice) spice_protocol="yes" spice="yes" ;; --disable-spice-protocol) spice_protocol="no" spice="no" ;; --enable-spice-protocol) spice_protocol="yes" ;; --disable-libiscsi) libiscsi="disabled" ;; --enable-libiscsi) libiscsi="enabled" ;; --disable-libnfs) libnfs="disabled" ;; --enable-libnfs) libnfs="enabled" ;; --enable-profiler) profiler="yes" ;; --disable-cocoa) cocoa="disabled" ;; --enable-cocoa) cocoa="enabled" ;; --disable-system) softmmu="no" ;; --enable-system) softmmu="yes" ;; --disable-user) linux_user="no" ; bsd_user="no" ; ;; --enable-user) ;; --disable-linux-user) linux_user="no" ;; --enable-linux-user) linux_user="yes" ;; --disable-bsd-user) bsd_user="no" ;; --enable-bsd-user) bsd_user="yes" ;; --enable-pie) pie="yes" ;; --disable-pie) pie="no" ;; --enable-werror) werror="yes" ;; --disable-werror) werror="no" ;; --enable-lto) lto="true" ;; --disable-lto) lto="false" ;; --enable-stack-protector) stack_protector="yes" ;; --disable-stack-protector) stack_protector="no" ;; --enable-safe-stack) safe_stack="yes" ;; --disable-safe-stack) safe_stack="no" ;; --enable-cfi) cfi="true"; lto="true"; ;; --disable-cfi) cfi="false" ;; --enable-cfi-debug) cfi_debug="true" ;; --disable-cfi-debug) cfi_debug="false" ;; --disable-curses) curses="disabled" ;; --enable-curses) curses="enabled" ;; --disable-iconv) iconv="disabled" ;; --enable-iconv) iconv="enabled" ;; --disable-curl) curl="disabled" ;; --enable-curl) curl="enabled" ;; --disable-fdt) fdt="disabled" ;; --enable-fdt) fdt="enabled" ;; --enable-fdt=git) fdt="internal" ;; --enable-fdt=system) fdt="system" ;; --disable-linux-aio) linux_aio="no" ;; --enable-linux-aio) linux_aio="yes" ;; --disable-linux-io-uring) linux_io_uring="no" ;; --enable-linux-io-uring) linux_io_uring="yes" ;; --disable-attr) attr="disabled" ;; --enable-attr) attr="enabled" ;; --disable-membarrier) membarrier="no" ;; --enable-membarrier) membarrier="yes" ;; --disable-bpf) bpf="disabled" ;; --enable-bpf) bpf="enabled" ;; --disable-blobs) blobs="false" ;; --with-pkgversion=*) pkgversion="$optarg" ;; --with-coroutine=*) coroutine="$optarg" ;; --disable-coroutine-pool) coroutine_pool="no" ;; --enable-coroutine-pool) coroutine_pool="yes" ;; --enable-debug-stack-usage) debug_stack_usage="yes" ;; --enable-crypto-afalg) crypto_afalg="yes" ;; --disable-crypto-afalg) crypto_afalg="no" ;; --disable-docs) docs="disabled" ;; --enable-docs) docs="enabled" ;; --disable-vhost-net) vhost_net="no" ;; --enable-vhost-net) vhost_net="yes" ;; --disable-vhost-crypto) vhost_crypto="no" ;; --enable-vhost-crypto) vhost_crypto="yes" ;; --disable-vhost-scsi) vhost_scsi="no" ;; --enable-vhost-scsi) vhost_scsi="yes" ;; --disable-vhost-vsock) vhost_vsock="no" ;; --enable-vhost-vsock) vhost_vsock="yes" ;; --disable-vhost-user-blk-server) vhost_user_blk_server="disabled" ;; --enable-vhost-user-blk-server) vhost_user_blk_server="enabled" ;; --disable-vhost-user-fs) vhost_user_fs="no" ;; --enable-vhost-user-fs) vhost_user_fs="yes" ;; --disable-opengl) opengl="no" ;; --enable-opengl) opengl="yes" ;; --disable-rbd) rbd="disabled" ;; --enable-rbd) rbd="enabled" ;; --disable-xfsctl) xfs="no" ;; --enable-xfsctl) xfs="yes" ;; --disable-smartcard) smartcard="no" ;; --enable-smartcard) smartcard="yes" ;; --disable-u2f) u2f="disabled" ;; --enable-u2f) u2f="enabled" ;; --disable-libusb) libusb="no" ;; --enable-libusb) libusb="yes" ;; --disable-usb-redir) usb_redir="no" ;; --enable-usb-redir) usb_redir="yes" ;; --disable-zlib-test) ;; --disable-lzo) lzo="disabled" ;; --enable-lzo) lzo="enabled" ;; --disable-snappy) snappy="disabled" ;; --enable-snappy) snappy="enabled" ;; --disable-bzip2) bzip2="disabled" ;; --enable-bzip2) bzip2="enabled" ;; --enable-lzfse) lzfse="enabled" ;; --disable-lzfse) lzfse="disabled" ;; --disable-zstd) zstd="disabled" ;; --enable-zstd) zstd="enabled" ;; --enable-guest-agent) guest_agent="yes" ;; --disable-guest-agent) guest_agent="no" ;; --enable-guest-agent-msi) guest_agent_msi="enabled" ;; --disable-guest-agent-msi) guest_agent_msi="disabled" ;; --with-vss-sdk) vss_win32_sdk="" ;; --with-vss-sdk=*) vss_win32_sdk="$optarg" ;; --without-vss-sdk) vss_win32_sdk="no" ;; --with-win-sdk) win_sdk="" ;; --with-win-sdk=*) win_sdk="$optarg" ;; --without-win-sdk) win_sdk="no" ;; --enable-tools) want_tools="yes" ;; --disable-tools) want_tools="no" ;; --enable-seccomp) seccomp="enabled" ;; --disable-seccomp) seccomp="disabled" ;; --disable-glusterfs) glusterfs="disabled" ;; --disable-avx2) avx2_opt="no" ;; --enable-avx2) avx2_opt="yes" ;; --disable-avx512f) avx512f_opt="no" ;; --enable-avx512f) avx512f_opt="yes" ;; --enable-glusterfs) glusterfs="enabled" ;; --disable-virtio-blk-data-plane|--enable-virtio-blk-data-plane) echo "$0: $opt is obsolete, virtio-blk data-plane is always on" >&2 ;; --enable-vhdx|--disable-vhdx) echo "$0: $opt is obsolete, VHDX driver is always built" >&2 ;; --enable-uuid|--disable-uuid) echo "$0: $opt is obsolete, UUID support is always built" >&2 ;; --disable-gtk) gtk="disabled" ;; --enable-gtk) gtk="enabled" ;; --tls-priority=*) tls_priority="$optarg" ;; --disable-gnutls) gnutls="no" ;; --enable-gnutls) gnutls="yes" ;; --disable-nettle) nettle="no" ;; --enable-nettle) nettle="yes" ;; --disable-gcrypt) gcrypt="no" ;; --enable-gcrypt) gcrypt="yes" ;; --disable-auth-pam) auth_pam="no" ;; --enable-auth-pam) auth_pam="yes" ;; --enable-rdma) rdma="yes" ;; --disable-rdma) rdma="no" ;; --enable-pvrdma) pvrdma="yes" ;; --disable-pvrdma) pvrdma="no" ;; --disable-vte) vte="no" ;; --enable-vte) vte="yes" ;; --disable-virglrenderer) virglrenderer="no" ;; --enable-virglrenderer) virglrenderer="yes" ;; --disable-tpm) tpm="no" ;; --enable-tpm) tpm="yes" ;; --disable-libssh) libssh="no" ;; --enable-libssh) libssh="yes" ;; --disable-live-block-migration) live_block_migration="no" ;; --enable-live-block-migration) live_block_migration="yes" ;; --disable-numa) numa="no" ;; --enable-numa) numa="yes" ;; --disable-libxml2) libxml2="no" ;; --enable-libxml2) libxml2="yes" ;; --disable-tcmalloc) tcmalloc="no" ;; --enable-tcmalloc) tcmalloc="yes" ;; --disable-jemalloc) jemalloc="no" ;; --enable-jemalloc) jemalloc="yes" ;; --disable-replication) replication="no" ;; --enable-replication) replication="yes" ;; --disable-bochs) bochs="no" ;; --enable-bochs) bochs="yes" ;; --disable-cloop) cloop="no" ;; --enable-cloop) cloop="yes" ;; --disable-dmg) dmg="no" ;; --enable-dmg) dmg="yes" ;; --disable-qcow1) qcow1="no" ;; --enable-qcow1) qcow1="yes" ;; --disable-vdi) vdi="no" ;; --enable-vdi) vdi="yes" ;; --disable-vvfat) vvfat="no" ;; --enable-vvfat) vvfat="yes" ;; --disable-qed) qed="no" ;; --enable-qed) qed="yes" ;; --disable-parallels) parallels="no" ;; --enable-parallels) parallels="yes" ;; --disable-vhost-user) vhost_user="no" ;; --enable-vhost-user) vhost_user="yes" ;; --disable-vhost-vdpa) vhost_vdpa="no" ;; --enable-vhost-vdpa) vhost_vdpa="yes" ;; --disable-vhost-kernel) vhost_kernel="no" ;; --enable-vhost-kernel) vhost_kernel="yes" ;; --disable-capstone) capstone="disabled" ;; --enable-capstone) capstone="enabled" ;; --enable-capstone=git) capstone="internal" ;; --enable-capstone=system) capstone="system" ;; --with-git=*) git="$optarg" ;; --enable-git-update) git_submodules_action="update" echo "--enable-git-update deprecated, use --with-git-submodules=update" ;; --disable-git-update) git_submodules_action="validate" echo "--disable-git-update deprecated, use --with-git-submodules=validate" ;; --with-git-submodules=*) git_submodules_action="$optarg" ;; --enable-debug-mutex) debug_mutex=yes ;; --disable-debug-mutex) debug_mutex=no ;; --enable-libpmem) libpmem=yes ;; --disable-libpmem) libpmem=no ;; --enable-xkbcommon) xkbcommon="enabled" ;; --disable-xkbcommon) xkbcommon="disabled" ;; --enable-plugins) plugins="yes" ;; --disable-plugins) plugins="no" ;; --enable-containers) use_containers="yes" ;; --disable-containers) use_containers="no" ;; --enable-fuzzing) fuzzing=yes ;; --disable-fuzzing) fuzzing=no ;; --gdb=*) gdb_bin="$optarg" ;; --enable-rng-none) rng_none=yes ;; --disable-rng-none) rng_none=no ;; --enable-keyring) secret_keyring="yes" ;; --disable-keyring) secret_keyring="no" ;; --enable-libdaxctl) libdaxctl=yes ;; --disable-libdaxctl) libdaxctl=no ;; --enable-fuse) fuse="enabled" ;; --disable-fuse) fuse="disabled" ;; --enable-fuse-lseek) fuse_lseek="enabled" ;; --disable-fuse-lseek) fuse_lseek="disabled" ;; --enable-multiprocess) multiprocess="enabled" ;; --disable-multiprocess) multiprocess="disabled" ;; --enable-gio) gio=yes ;; --disable-gio) gio=no ;; --enable-slirp-smbd) slirp_smbd=yes ;; --disable-slirp-smbd) slirp_smbd=no ;; *) echo "ERROR: unknown option $opt" echo "Try '$0 --help' for more information" exit 1 ;; esac done case $git_submodules_action in update|validate) if test ! -e "$source_path/.git"; then echo "ERROR: cannot $git_submodules_action git submodules without .git" exit 1 fi ;; ignore) if ! test -f "$source_path/ui/keycodemapdb/README" then echo echo "ERROR: missing GIT submodules" echo if test -e "$source_path/.git"; then echo "--with-git-submodules=ignore specified but submodules were not" echo "checked out. Please initialize and update submodules." else echo "This is not a GIT checkout but module content appears to" echo "be missing. Do not use 'git archive' or GitHub download links" echo "to acquire QEMU source archives. Non-GIT builds are only" echo "supported with source archives linked from:" echo echo " https://www.qemu.org/download/#source" echo echo "Developers working with GIT can use scripts/archive-source.sh" echo "if they need to create valid source archives." fi echo exit 1 fi ;; *) echo "ERROR: invalid --with-git-submodules= value '$git_submodules_action'" exit 1 ;; esac libdir="${libdir:-$prefix/lib}" libexecdir="${libexecdir:-$prefix/libexec}" includedir="${includedir:-$prefix/include}" if test "$mingw32" = "yes" ; then bindir="${bindir:-$prefix}" else bindir="${bindir:-$prefix/bin}" fi mandir="${mandir:-$prefix/share/man}" datadir="${datadir:-$prefix/share}" docdir="${docdir:-$prefix/share/doc}" sysconfdir="${sysconfdir:-$prefix/etc}" local_statedir="${local_statedir:-$prefix/var}" firmwarepath="${firmwarepath:-$datadir/qemu-firmware}" localedir="${localedir:-$datadir/locale}" case "$cpu" in ppc) CPU_CFLAGS="-m32" QEMU_LDFLAGS="-m32 $QEMU_LDFLAGS" ;; ppc64) CPU_CFLAGS="-m64" QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS" ;; sparc) CPU_CFLAGS="-m32 -mv8plus -mcpu=ultrasparc" QEMU_LDFLAGS="-m32 -mv8plus $QEMU_LDFLAGS" ;; sparc64) CPU_CFLAGS="-m64 -mcpu=ultrasparc" QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS" ;; s390) CPU_CFLAGS="-m31" QEMU_LDFLAGS="-m31 $QEMU_LDFLAGS" ;; s390x) CPU_CFLAGS="-m64" QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS" ;; i386) CPU_CFLAGS="-m32" QEMU_LDFLAGS="-m32 $QEMU_LDFLAGS" ;; x86_64) # ??? Only extremely old AMD cpus do not have cmpxchg16b. # If we truly care, we should simply detect this case at # runtime and generate the fallback to serial emulation. CPU_CFLAGS="-m64 -mcx16" QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS" ;; x32) CPU_CFLAGS="-mx32" QEMU_LDFLAGS="-mx32 $QEMU_LDFLAGS" ;; # No special flags required for other host CPUs esac eval "cross_cc_${cpu}=\$cc" cross_cc_vars="$cross_cc_vars cross_cc_${cpu}" QEMU_CFLAGS="$CPU_CFLAGS $QEMU_CFLAGS" # For user-mode emulation the host arch has to be one we explicitly # support, even if we're using TCI. if [ "$ARCH" = "unknown" ]; then bsd_user="no" linux_user="no" fi default_target_list="" deprecated_targets_list=ppc64abi32-linux-user deprecated_features="" mak_wilds="" if [ "$softmmu" = "yes" ]; then mak_wilds="${mak_wilds} $source_path/default-configs/targets/*-softmmu.mak" fi if [ "$linux_user" = "yes" ]; then mak_wilds="${mak_wilds} $source_path/default-configs/targets/*-linux-user.mak" fi if [ "$bsd_user" = "yes" ]; then mak_wilds="${mak_wilds} $source_path/default-configs/targets/*-bsd-user.mak" fi # If the user doesn't explicitly specify a deprecated target we will # skip it. if test -z "$target_list"; then if test -z "$target_list_exclude"; then target_list_exclude="$deprecated_targets_list" else target_list_exclude="$target_list_exclude,$deprecated_targets_list" fi fi for config in $mak_wilds; do target="$(basename "$config" .mak)" if echo "$target_list_exclude" | grep -vq "$target"; then default_target_list="${default_target_list} $target" fi done # Enumerate public trace backends for --help output trace_backend_list=$(echo $(grep -le '^PUBLIC = True$' "$source_path"/scripts/tracetool/backend/*.py | sed -e 's/^.*\/\(.*\)\.py$/\1/')) if test x"$show_help" = x"yes" ; then cat << EOF Usage: configure [options] Options: [defaults in brackets after descriptions] Standard options: --help print this message --prefix=PREFIX install in PREFIX [$prefix] --interp-prefix=PREFIX where to find shared libraries, etc. use %M for cpu name [$interp_prefix] --target-list=LIST set target list (default: build all non-deprecated) $(echo Available targets: $default_target_list | \ fold -s -w 53 | sed -e 's/^/ /') $(echo Deprecated targets: $deprecated_targets_list | \ fold -s -w 53 | sed -e 's/^/ /') --target-list-exclude=LIST exclude a set of targets from the default target-list Advanced options (experts only): --cross-prefix=PREFIX use PREFIX for compile tools, PREFIX can be blank [$cross_prefix] --cc=CC use C compiler CC [$cc] --iasl=IASL use ACPI compiler IASL [$iasl] --host-cc=CC use C compiler CC [$host_cc] for code run at build time --cxx=CXX use C++ compiler CXX [$cxx] --objcc=OBJCC use Objective-C compiler OBJCC [$objcc] --extra-cflags=CFLAGS append extra C compiler flags QEMU_CFLAGS --extra-cxxflags=CXXFLAGS append extra C++ compiler flags QEMU_CXXFLAGS --extra-ldflags=LDFLAGS append extra linker flags LDFLAGS --cross-cc-ARCH=CC use compiler when building ARCH guest test cases --cross-cc-flags-ARCH= use compiler flags when building ARCH guest tests --make=MAKE use specified make [$make] --python=PYTHON use specified python [$python] --sphinx-build=SPHINX use specified sphinx-build [$sphinx_build] --meson=MESON use specified meson [$meson] --ninja=NINJA use specified ninja [$ninja] --smbd=SMBD use specified smbd [$smbd] --with-git=GIT use specified git [$git] --with-git-submodules=update update git submodules (default if .git dir exists) --with-git-submodules=validate fail if git submodules are not up to date --with-git-submodules=ignore do not update or check git submodules (default if no .git dir) --static enable static build [$static] --mandir=PATH install man pages in PATH --datadir=PATH install firmware in PATH/$qemu_suffix --localedir=PATH install translation in PATH/$qemu_suffix --docdir=PATH install documentation in PATH/$qemu_suffix --bindir=PATH install binaries in PATH --libdir=PATH install libraries in PATH --libexecdir=PATH install helper binaries in PATH --sysconfdir=PATH install config in PATH/$qemu_suffix --localstatedir=PATH install local state in PATH (set at runtime on win32) --firmwarepath=PATH search PATH for firmware files --efi-aarch64=PATH PATH of efi file to use for aarch64 VMs. --with-suffix=SUFFIX suffix for QEMU data inside datadir/libdir/sysconfdir/docdir [$qemu_suffix] --with-pkgversion=VERS use specified string as sub-version of the package --without-default-features default all --enable-* options to "disabled" --without-default-devices do not include any device that is not needed to start the emulator (only use if you are including desired devices in default-configs/devices/) --enable-debug enable common debug build options --enable-sanitizers enable default sanitizers --enable-tsan enable thread sanitizer --disable-strip disable stripping binaries --disable-werror disable compilation abort on warning --disable-stack-protector disable compiler-provided stack protection --audio-drv-list=LIST set audio drivers list: Available drivers: $audio_possible_drivers --block-drv-whitelist=L Same as --block-drv-rw-whitelist=L --block-drv-rw-whitelist=L set block driver read-write whitelist (affects only QEMU, not qemu-img) --block-drv-ro-whitelist=L set block driver read-only whitelist (affects only QEMU, not qemu-img) --enable-trace-backends=B Set trace backend Available backends: $trace_backend_list --with-trace-file=NAME Full PATH,NAME of file to store traces Default:trace- --disable-slirp disable SLIRP userspace network connectivity --enable-tcg-interpreter enable TCI (TCG with bytecode interpreter, experimental and slow) --enable-malloc-trim enable libc malloc_trim() for memory optimization --oss-lib path to OSS library --cpu=CPU Build for host CPU [$cpu] --with-coroutine=BACKEND coroutine backend. Supported options: ucontext, sigaltstack, windows --enable-gcov enable test coverage analysis with gcov --disable-blobs disable installing provided firmware blobs --with-vss-sdk=SDK-path enable Windows VSS support in QEMU Guest Agent --with-win-sdk=SDK-path path to Windows Platform SDK (to build VSS .tlb) --tls-priority default TLS protocol/cipher priority string --enable-gprof QEMU profiling with gprof --enable-profiler profiler support --enable-debug-stack-usage track the maximum stack usage of stacks created by qemu_alloc_stack --enable-plugins enable plugins via shared library loading --disable-containers don't use containers for cross-building --gdb=GDB-path gdb to use for gdbstub tests [$gdb_bin] Optional features, enabled with --enable-FEATURE and disabled with --disable-FEATURE, default is enabled if available (unless built with --without-default-features): system all system emulation targets user supported user emulation targets linux-user all linux usermode emulation targets bsd-user all BSD usermode emulation targets docs build documentation guest-agent build the QEMU Guest Agent guest-agent-msi build guest agent Windows MSI installation package pie Position Independent Executables modules modules support (non-Windows) module-upgrades try to load modules from alternate paths for upgrades debug-tcg TCG debugging (default is disabled) debug-info debugging information lto Enable Link-Time Optimization. sparse sparse checker safe-stack SafeStack Stack Smash Protection. Depends on clang/llvm >= 3.7 and requires coroutine backend ucontext. cfi Enable Control-Flow Integrity for indirect function calls. In case of a cfi violation, QEMU is terminated with SIGILL Depends on lto and is incompatible with modules Automatically enables Link-Time Optimization (lto) cfi-debug In case of a cfi violation, a message containing the line that triggered the error is written to stderr. After the error, QEMU is still terminated with SIGILL gnutls GNUTLS cryptography support nettle nettle cryptography support gcrypt libgcrypt cryptography support auth-pam PAM access control sdl SDL UI sdl-image SDL Image support for icons gtk gtk UI vte vte support for the gtk UI curses curses UI iconv font glyph conversion support vnc VNC UI support vnc-sasl SASL encryption for VNC server vnc-jpeg JPEG lossy compression for VNC server vnc-png PNG compression for VNC server cocoa Cocoa UI (Mac OS X only) virtfs VirtFS virtiofsd build virtiofs daemon (virtiofsd) libudev Use libudev to enumerate host devices mpath Multipath persistent reservation passthrough xen xen backend driver support xen-pci-passthrough PCI passthrough support for Xen brlapi BrlAPI (Braile) curl curl connectivity membarrier membarrier system call (for Linux 4.14+ or Windows) fdt fdt device tree kvm KVM acceleration support hax HAX acceleration support hvf Hypervisor.framework acceleration support nvmm NVMM acceleration support whpx Windows Hypervisor Platform acceleration support rdma Enable RDMA-based migration pvrdma Enable PVRDMA support vde support for vde network netmap support for netmap network linux-aio Linux AIO support linux-io-uring Linux io_uring support cap-ng libcap-ng support attr attr and xattr support vhost-net vhost-net kernel acceleration support vhost-vsock virtio sockets device support vhost-scsi vhost-scsi kernel target support vhost-crypto vhost-user-crypto backend support vhost-kernel vhost kernel backend support vhost-user vhost-user backend support vhost-user-blk-server vhost-user-blk server support vhost-vdpa vhost-vdpa kernel backend support bpf BPF kernel support spice spice spice-protocol spice-protocol rbd rados block device (rbd) libiscsi iscsi support libnfs nfs support smartcard smartcard support (libcacard) u2f U2F support (u2f-emu) libusb libusb (for usb passthrough) live-block-migration Block migration in the main migration stream usb-redir usb network redirection support lzo support of lzo compression library snappy support of snappy compression library bzip2 support of bzip2 compression library (for reading bzip2-compressed dmg images) lzfse support of lzfse compression library (for reading lzfse-compressed dmg images) zstd support for zstd compression library (for migration compression and qcow2 cluster compression) seccomp seccomp support coroutine-pool coroutine freelist (better performance) glusterfs GlusterFS backend tpm TPM support libssh ssh block device support numa libnuma support libxml2 for Parallels image format tcmalloc tcmalloc support jemalloc jemalloc support avx2 AVX2 optimization support avx512f AVX512F optimization support replication replication support opengl opengl support virglrenderer virgl rendering support xfsctl xfsctl support qom-cast-debug cast debugging support tools build qemu-io, qemu-nbd and qemu-img tools bochs bochs image format support cloop cloop image format support dmg dmg image format support qcow1 qcow v1 image format support vdi vdi image format support vvfat vvfat image format support qed qed image format support parallels parallels image format support crypto-afalg Linux AF_ALG crypto backend driver capstone capstone disassembler support debug-mutex mutex debugging support libpmem libpmem support xkbcommon xkbcommon support rng-none dummy RNG, avoid using /dev/(u)random and getrandom() libdaxctl libdaxctl support fuse FUSE block device export fuse-lseek SEEK_HOLE/SEEK_DATA support for FUSE exports multiprocess Out of process device emulation support gio libgio support slirp-smbd use smbd (at path --smbd=*) in slirp networking NOTE: The object files are built at the place where configure is launched EOF exit 0 fi # Remove old dependency files to make sure that they get properly regenerated rm -f */config-devices.mak.d if test -z "$python" then error_exit "Python not found. Use --python=/path/to/python" fi if ! has "$make" then error_exit "GNU make ($make) not found" fi # Note that if the Python conditional here evaluates True we will exit # with status 1 which is a shell 'false' value. if ! $python -c 'import sys; sys.exit(sys.version_info < (3,6))'; then error_exit "Cannot use '$python', Python >= 3.6 is required." \ "Use --python=/path/to/python to specify a supported Python." fi # Preserve python version since some functionality is dependent on it python_version=$($python -c 'import sys; print("%d.%d.%d" % (sys.version_info[0], sys.version_info[1], sys.version_info[2]))' 2>/dev/null) # Suppress writing compiled files python="$python -B" if test -z "$meson"; then if test "$explicit_python" = no && has meson && version_ge "$(meson --version)" 0.55.3; then meson=meson elif test $git_submodules_action != 'ignore' ; then meson=git elif test -e "${source_path}/meson/meson.py" ; then meson=internal else if test "$explicit_python" = yes; then error_exit "--python requires using QEMU's embedded Meson distribution, but it was not found." else error_exit "Meson not found. Use --meson=/path/to/meson" fi fi else # Meson uses its own Python interpreter to invoke other Python scripts, # but the user wants to use the one they specified with --python. # # We do not want to override the distro Python interpreter (and sometimes # cannot: for example in Homebrew /usr/bin/meson is a bash script), so # just require --meson=git|internal together with --python. if test "$explicit_python" = yes; then case "$meson" in git | internal) ;; *) error_exit "--python requires using QEMU's embedded Meson distribution." ;; esac fi fi if test "$meson" = git; then git_submodules="${git_submodules} meson" fi case "$meson" in git | internal) meson="$python ${source_path}/meson/meson.py" ;; *) meson=$(command -v "$meson") ;; esac # Probe for ninja if test -z "$ninja"; then for c in ninja ninja-build samu; do if has $c; then ninja=$(command -v "$c") break fi done if test -z "$ninja"; then error_exit "Cannot find Ninja" fi fi # Check that the C compiler works. Doing this here before testing # the host CPU ensures that we had a valid CC to autodetect the # $cpu var (and we should bail right here if that's not the case). # It also allows the help message to be printed without a CC. write_c_skeleton; if compile_object ; then : C compiler works ok else error_exit "\"$cc\" either does not exist or does not work" fi if ! compile_prog ; then error_exit "\"$cc\" cannot build an executable (is your linker broken?)" fi # Consult white-list to determine whether to enable werror # by default. Only enable by default for git builds if test -z "$werror" ; then if test "$git_submodules_action" != "ignore" && \ { test "$linux" = "yes" || test "$mingw32" = "yes"; }; then werror="yes" else werror="no" fi fi if test "$targetos" = "bogus"; then # Now that we know that we're not printing the help and that # the compiler works (so the results of the check_defines we used # to identify the OS are reliable), if we didn't recognize the # host OS we should stop now. error_exit "Unrecognized host OS (uname -s reports '$(uname -s)')" fi # Check whether the compiler matches our minimum requirements: cat > $TMPC << EOF #if defined(__clang_major__) && defined(__clang_minor__) # ifdef __apple_build_version__ # if __clang_major__ < 10 || (__clang_major__ == 10 && __clang_minor__ < 0) # error You need at least XCode Clang v10.0 to compile QEMU # endif # else # if __clang_major__ < 6 || (__clang_major__ == 6 && __clang_minor__ < 0) # error You need at least Clang v6.0 to compile QEMU # endif # endif #elif defined(__GNUC__) && defined(__GNUC_MINOR__) # if __GNUC__ < 7 || (__GNUC__ == 7 && __GNUC_MINOR__ < 5) # error You need at least GCC v7.5.0 to compile QEMU # endif #else # error You either need GCC or Clang to compiler QEMU #endif int main (void) { return 0; } EOF if ! compile_prog "" "" ; then error_exit "You need at least GCC v7.5 or Clang v6.0 (or XCode Clang v10.0)" fi # Accumulate -Wfoo and -Wno-bar separately. # We will list all of the enable flags first, and the disable flags second. # Note that we do not add -Werror, because that would enable it for all # configure tests. If a configure test failed due to -Werror this would # just silently disable some features, so it's too error prone. warn_flags= add_to warn_flags -Wold-style-declaration add_to warn_flags -Wold-style-definition add_to warn_flags -Wtype-limits add_to warn_flags -Wformat-security add_to warn_flags -Wformat-y2k add_to warn_flags -Winit-self add_to warn_flags -Wignored-qualifiers add_to warn_flags -Wempty-body add_to warn_flags -Wnested-externs add_to warn_flags -Wendif-labels add_to warn_flags -Wexpansion-to-defined add_to warn_flags -Wimplicit-fallthrough=2 nowarn_flags= add_to nowarn_flags -Wno-initializer-overrides add_to nowarn_flags -Wno-missing-include-dirs add_to nowarn_flags -Wno-shift-negative-value add_to nowarn_flags -Wno-string-plus-int add_to nowarn_flags -Wno-typedef-redefinition add_to nowarn_flags -Wno-tautological-type-limit-compare add_to nowarn_flags -Wno-psabi gcc_flags="$warn_flags $nowarn_flags" cc_has_warning_flag() { write_c_skeleton; # Use the positive sense of the flag when testing for -Wno-wombat # support (gcc will happily accept the -Wno- form of unknown # warning options). optflag="$(echo $1 | sed -e 's/^-Wno-/-W/')" compile_prog "-Werror $optflag" "" } for flag in $gcc_flags; do if cc_has_warning_flag $flag ; then QEMU_CFLAGS="$QEMU_CFLAGS $flag" fi done if test "$stack_protector" != "no"; then cat > $TMPC << EOF int main(int argc, char *argv[]) { char arr[64], *p = arr, *c = argv[0]; while (*c) { *p++ = *c++; } return 0; } EOF gcc_flags="-fstack-protector-strong -fstack-protector-all" sp_on=0 for flag in $gcc_flags; do # We need to check both a compile and a link, since some compiler # setups fail only on a .c->.o compile and some only at link time if compile_object "-Werror $flag" && compile_prog "-Werror $flag" ""; then QEMU_CFLAGS="$QEMU_CFLAGS $flag" QEMU_LDFLAGS="$QEMU_LDFLAGS $flag" sp_on=1 break fi done if test "$stack_protector" = yes; then if test $sp_on = 0; then error_exit "Stack protector not supported" fi fi fi # Disable -Wmissing-braces on older compilers that warn even for # the "universal" C zero initializer {0}. cat > $TMPC << EOF struct { int a[2]; } x = {0}; EOF if compile_object "-Werror" "" ; then : else QEMU_CFLAGS="$QEMU_CFLAGS -Wno-missing-braces" fi # Our module code doesn't support Windows if test "$modules" = "yes" && test "$mingw32" = "yes" ; then error_exit "Modules are not available for Windows" fi # module_upgrades is only reasonable if modules are enabled if test "$modules" = "no" && test "$module_upgrades" = "yes" ; then error_exit "Can't enable module-upgrades as Modules are not enabled" fi # Static linking is not possible with modules or PIE if test "$static" = "yes" ; then if test "$modules" = "yes" ; then error_exit "static and modules are mutually incompatible" fi fi # Unconditional check for compiler __thread support cat > $TMPC << EOF static __thread int tls_var; int main(void) { return tls_var; } EOF if ! compile_prog "-Werror" "" ; then error_exit "Your compiler does not support the __thread specifier for " \ "Thread-Local Storage (TLS). Please upgrade to a version that does." fi cat > $TMPC << EOF #ifdef __linux__ # define THREAD __thread #else # define THREAD #endif static THREAD int tls_var; int main(void) { return tls_var; } EOF # Check we support --no-pie first; we will need this for building ROMs. if compile_prog "-Werror -fno-pie" "-no-pie"; then CFLAGS_NOPIE="-fno-pie" fi if test "$static" = "yes"; then if test "$pie" != "no" && compile_prog "-Werror -fPIE -DPIE" "-static-pie"; then CONFIGURE_CFLAGS="-fPIE -DPIE $CONFIGURE_CFLAGS" QEMU_LDFLAGS="-static-pie $QEMU_LDFLAGS" pie="yes" elif test "$pie" = "yes"; then error_exit "-static-pie not available due to missing toolchain support" else QEMU_LDFLAGS="-static $QEMU_LDFLAGS" pie="no" fi elif test "$pie" = "no"; then CONFIGURE_CFLAGS="$CFLAGS_NOPIE $CONFIGURE_CFLAGS" elif compile_prog "-Werror -fPIE -DPIE" "-pie"; then CONFIGURE_CFLAGS="-fPIE -DPIE $CONFIGURE_CFLAGS" CONFIGURE_LDFLAGS="-pie $CONFIGURE_LDFLAGS" pie="yes" elif test "$pie" = "yes"; then error_exit "PIE not available due to missing toolchain support" else echo "Disabling PIE due to missing toolchain support" pie="no" fi # Detect support for PT_GNU_RELRO + DT_BIND_NOW. # The combination is known as "full relro", because .got.plt is read-only too. if compile_prog "" "-Wl,-z,relro -Wl,-z,now" ; then QEMU_LDFLAGS="-Wl,-z,relro -Wl,-z,now $QEMU_LDFLAGS" fi ########################################## # __sync_fetch_and_and requires at least -march=i486. Many toolchains # use i686 as default anyway, but for those that don't, an explicit # specification is necessary if test "$cpu" = "i386"; then cat > $TMPC << EOF static int sfaa(int *ptr) { return __sync_fetch_and_and(ptr, 0); } int main(void) { int val = 42; val = __sync_val_compare_and_swap(&val, 0, 1); sfaa(&val); return val; } EOF if ! compile_prog "" "" ; then QEMU_CFLAGS="-march=i486 $QEMU_CFLAGS" fi fi ######################################### # Solaris specific configure tool chain decisions if test "$solaris" = "yes" ; then if has ar; then : else if test -f /usr/ccs/bin/ar ; then error_exit "No path includes ar" \ "Add /usr/ccs/bin to your path and rerun configure" fi error_exit "No path includes ar" fi fi if test "$tcg" = "enabled"; then git_submodules="$git_submodules tests/fp/berkeley-testfloat-3" git_submodules="$git_submodules tests/fp/berkeley-softfloat-3" fi if test -z "${target_list+xxx}" ; then default_targets=yes for target in $default_target_list; do target_list="$target_list $target" done target_list="${target_list# }" else default_targets=no target_list=$(echo "$target_list" | sed -e 's/,/ /g') for target in $target_list; do # Check that we recognised the target name; this allows a more # friendly error message than if we let it fall through. case " $default_target_list " in *" $target "*) ;; *) error_exit "Unknown target name '$target'" ;; esac done fi for target in $target_list; do # if a deprecated target is enabled we note it here if echo "$deprecated_targets_list" | grep -q "$target"; then add_to deprecated_features $target fi done # see if system emulation was really requested case " $target_list " in *"-softmmu "*) softmmu=yes ;; *) softmmu=no ;; esac feature_not_found() { feature=$1 remedy=$2 error_exit "User requested feature $feature" \ "configure was not able to find it." \ "$remedy" } # --- # big/little endian test cat > $TMPC << EOF short big_endian[] = { 0x4269, 0x4765, 0x4e64, 0x4961, 0x4e00, 0, }; short little_endian[] = { 0x694c, 0x7454, 0x654c, 0x6e45, 0x6944, 0x6e41, 0, }; extern int foo(short *, short *); int main(int argc, char *argv[]) { return foo(big_endian, little_endian); } EOF if compile_object ; then if strings -a $TMPO | grep -q BiGeNdIaN ; then bigendian="yes" elif strings -a $TMPO | grep -q LiTtLeEnDiAn ; then bigendian="no" else echo big/little test failed fi else echo big/little test failed fi ########################################## # system tools if test -z "$want_tools"; then if test "$softmmu" = "no"; then want_tools=no else want_tools=yes fi fi ########################################## # Disable features only meaningful for system-mode emulation if test "$softmmu" = "no"; then audio_drv_list="" fi ########################################## # Some versions of Mac OS X incorrectly define SIZE_MAX cat > $TMPC << EOF #include #include int main(int argc, char *argv[]) { return printf("%zu", SIZE_MAX); } EOF have_broken_size_max=no if ! compile_object -Werror ; then have_broken_size_max=yes fi ########################################## # L2TPV3 probe cat > $TMPC < #include int main(void) { return sizeof(struct mmsghdr); } EOF if compile_prog "" "" ; then l2tpv3=yes else l2tpv3=no fi cat > $TMPC < int main(int argc, char *argv[]) { return mlockall(MCL_FUTURE); } EOF if compile_prog "" "" ; then have_mlockall=yes else have_mlockall=no fi ######################################### # vhost interdependencies and host support # vhost backends if test "$vhost_user" = "yes" && test "$linux" != "yes"; then error_exit "vhost-user is only available on Linux" fi test "$vhost_vdpa" = "" && vhost_vdpa=$linux if test "$vhost_vdpa" = "yes" && test "$linux" != "yes"; then error_exit "vhost-vdpa is only available on Linux" fi test "$vhost_kernel" = "" && vhost_kernel=$linux if test "$vhost_kernel" = "yes" && test "$linux" != "yes"; then error_exit "vhost-kernel is only available on Linux" fi # vhost-kernel devices test "$vhost_scsi" = "" && vhost_scsi=$vhost_kernel if test "$vhost_scsi" = "yes" && test "$vhost_kernel" != "yes"; then error_exit "--enable-vhost-scsi requires --enable-vhost-kernel" fi test "$vhost_vsock" = "" && vhost_vsock=$vhost_kernel if test "$vhost_vsock" = "yes" && test "$vhost_kernel" != "yes"; then error_exit "--enable-vhost-vsock requires --enable-vhost-kernel" fi # vhost-user backends test "$vhost_net_user" = "" && vhost_net_user=$vhost_user if test "$vhost_net_user" = "yes" && test "$vhost_user" = "no"; then error_exit "--enable-vhost-net-user requires --enable-vhost-user" fi test "$vhost_crypto" = "" && vhost_crypto=$vhost_user if test "$vhost_crypto" = "yes" && test "$vhost_user" = "no"; then error_exit "--enable-vhost-crypto requires --enable-vhost-user" fi test "$vhost_user_fs" = "" && vhost_user_fs=$vhost_user if test "$vhost_user_fs" = "yes" && test "$vhost_user" = "no"; then error_exit "--enable-vhost-user-fs requires --enable-vhost-user" fi #vhost-vdpa backends test "$vhost_net_vdpa" = "" && vhost_net_vdpa=$vhost_vdpa if test "$vhost_net_vdpa" = "yes" && test "$vhost_vdpa" = "no"; then error_exit "--enable-vhost-net-vdpa requires --enable-vhost-vdpa" fi # OR the vhost-kernel, vhost-vdpa and vhost-user values for simplicity if test "$vhost_net" = ""; then test "$vhost_net_user" = "yes" && vhost_net=yes test "$vhost_net_vdpa" = "yes" && vhost_net=yes test "$vhost_kernel" = "yes" && vhost_net=yes fi ########################################## # pkg-config probe if ! has "$pkg_config_exe"; then error_exit "pkg-config binary '$pkg_config_exe' not found" fi ########################################## # NPTL probe if test "$linux_user" = "yes"; then cat > $TMPC < #include int main(void) { #if !defined(CLONE_SETTLS) || !defined(FUTEX_WAIT) #error bork #endif return 0; } EOF if ! compile_object ; then feature_not_found "nptl" "Install glibc and linux kernel headers." fi fi ########################################## # xen probe if test "$xen" != "disabled" ; then # Check whether Xen library path is specified via --extra-ldflags to avoid # overriding this setting with pkg-config output. If not, try pkg-config # to obtain all needed flags. if ! echo $EXTRA_LDFLAGS | grep tools/libxc > /dev/null && \ $pkg_config --exists xencontrol ; then xen_ctrl_version="$(printf '%d%02d%02d' \ $($pkg_config --modversion xencontrol | sed 's/\./ /g') )" xen=enabled xen_pc="xencontrol xenstore xenforeignmemory xengnttab" xen_pc="$xen_pc xenevtchn xendevicemodel" if $pkg_config --exists xentoolcore; then xen_pc="$xen_pc xentoolcore" fi xen_cflags="$($pkg_config --cflags $xen_pc)" xen_libs="$($pkg_config --libs $xen_pc)" else xen_libs="-lxenstore -lxenctrl" xen_stable_libs="-lxenforeignmemory -lxengnttab -lxenevtchn" # First we test whether Xen headers and libraries are available. # If no, we are done and there is no Xen support. # If yes, more tests are run to detect the Xen version. # Xen (any) cat > $TMPC < int main(void) { return 0; } EOF if ! compile_prog "" "$xen_libs" ; then # Xen not found if test "$xen" = "enabled" ; then feature_not_found "xen" "Install xen devel" fi xen=disabled # Xen unstable elif cat > $TMPC < #include int main(void) { xendevicemodel_handle *xd; xenforeignmemory_handle *xfmem; xd = xendevicemodel_open(0, 0); xendevicemodel_pin_memory_cacheattr(xd, 0, 0, 0, 0); xfmem = xenforeignmemory_open(0, 0); xenforeignmemory_map_resource(xfmem, 0, 0, 0, 0, 0, NULL, 0, 0); return 0; } EOF compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs -lxentoolcore" then xen_stable_libs="-lxendevicemodel $xen_stable_libs -lxentoolcore" xen_ctrl_version=41100 xen=enabled elif cat > $TMPC < #include int main(void) { xenforeignmemory_handle *xfmem; xfmem = xenforeignmemory_open(0, 0); xenforeignmemory_map2(xfmem, 0, 0, 0, 0, 0, 0, 0); xentoolcore_restrict_all(0); return 0; } EOF compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs -lxentoolcore" then xen_stable_libs="-lxendevicemodel $xen_stable_libs -lxentoolcore" xen_ctrl_version=41000 xen=enabled elif cat > $TMPC < int main(void) { xendevicemodel_handle *xd; xd = xendevicemodel_open(0, 0); xendevicemodel_close(xd); return 0; } EOF compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs" then xen_stable_libs="-lxendevicemodel $xen_stable_libs" xen_ctrl_version=40900 xen=enabled elif cat > $TMPC < #include #include #include #include #include #include #if !defined(HVM_MAX_VCPUS) # error HVM_MAX_VCPUS not defined #endif int main(void) { xc_interface *xc = NULL; xenforeignmemory_handle *xfmem; xenevtchn_handle *xe; xengnttab_handle *xg; xengnttab_grant_copy_segment_t* seg = NULL; xs_daemon_open(); xc = xc_interface_open(0, 0, 0); xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0); xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0); xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000); xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL); xfmem = xenforeignmemory_open(0, 0); xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0); xe = xenevtchn_open(0, 0); xenevtchn_fd(xe); xg = xengnttab_open(0, 0); xengnttab_grant_copy(xg, 0, seg); return 0; } EOF compile_prog "" "$xen_libs $xen_stable_libs" then xen_ctrl_version=40800 xen=enabled elif cat > $TMPC < #include #include #include #include #include #include #if !defined(HVM_MAX_VCPUS) # error HVM_MAX_VCPUS not defined #endif int main(void) { xc_interface *xc = NULL; xenforeignmemory_handle *xfmem; xenevtchn_handle *xe; xengnttab_handle *xg; xs_daemon_open(); xc = xc_interface_open(0, 0, 0); xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0); xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0); xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000); xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL); xfmem = xenforeignmemory_open(0, 0); xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0); xe = xenevtchn_open(0, 0); xenevtchn_fd(xe); xg = xengnttab_open(0, 0); xengnttab_map_grant_ref(xg, 0, 0, 0); return 0; } EOF compile_prog "" "$xen_libs $xen_stable_libs" then xen_ctrl_version=40701 xen=enabled # Xen 4.6 elif cat > $TMPC < #include #include #include #if !defined(HVM_MAX_VCPUS) # error HVM_MAX_VCPUS not defined #endif int main(void) { xc_interface *xc; xs_daemon_open(); xc = xc_interface_open(0, 0, 0); xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0); xc_gnttab_open(NULL, 0); xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0); xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000); xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL); xc_reserved_device_memory_map(xc, 0, 0, 0, 0, NULL, 0); return 0; } EOF compile_prog "" "$xen_libs" then xen_ctrl_version=40600 xen=enabled # Xen 4.5 elif cat > $TMPC < #include #include #include #if !defined(HVM_MAX_VCPUS) # error HVM_MAX_VCPUS not defined #endif int main(void) { xc_interface *xc; xs_daemon_open(); xc = xc_interface_open(0, 0, 0); xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0); xc_gnttab_open(NULL, 0); xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0); xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000); xc_hvm_create_ioreq_server(xc, 0, 0, NULL); return 0; } EOF compile_prog "" "$xen_libs" then xen_ctrl_version=40500 xen=enabled elif cat > $TMPC < #include #include #include #if !defined(HVM_MAX_VCPUS) # error HVM_MAX_VCPUS not defined #endif int main(void) { xc_interface *xc; xs_daemon_open(); xc = xc_interface_open(0, 0, 0); xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0); xc_gnttab_open(NULL, 0); xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0); xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000); return 0; } EOF compile_prog "" "$xen_libs" then xen_ctrl_version=40200 xen=enabled else if test "$xen" = "enabled" ; then feature_not_found "xen (unsupported version)" \ "Install a supported xen (xen 4.2 or newer)" fi xen=disabled fi if test "$xen" = enabled; then if test $xen_ctrl_version -ge 40701 ; then xen_libs="$xen_libs $xen_stable_libs " fi fi fi fi ########################################## # GNUTLS probe if test "$gnutls" != "no"; then pass="no" if $pkg_config --exists "gnutls >= 3.5.18"; then gnutls_cflags=$($pkg_config --cflags gnutls) gnutls_libs=$($pkg_config --libs gnutls) # Packaging for the static libraries is not always correct. # At least ubuntu 18.04 ships only shared libraries. write_c_skeleton if compile_prog "" "$gnutls_libs" ; then pass="yes" fi fi if test "$pass" = "no" && test "$gnutls" = "yes"; then feature_not_found "gnutls" "Install gnutls devel >= 3.1.18" else gnutls="$pass" fi fi # If user didn't give a --disable/enable-gcrypt flag, # then mark as disabled if user requested nettle # explicitly if test -z "$gcrypt" then if test "$nettle" = "yes" then gcrypt="no" fi fi # If user didn't give a --disable/enable-nettle flag, # then mark as disabled if user requested gcrypt # explicitly if test -z "$nettle" then if test "$gcrypt" = "yes" then nettle="no" fi fi has_libgcrypt() { if ! has "libgcrypt-config" then return 1 fi if test -n "$cross_prefix" then host=$(libgcrypt-config --host) if test "$host-" != $cross_prefix then return 1 fi fi maj=`libgcrypt-config --version | awk -F . '{print $1}'` min=`libgcrypt-config --version | awk -F . '{print $2}'` if test $maj != 1 || test $min -lt 8 then return 1 fi return 0 } if test "$nettle" != "no"; then pass="no" if $pkg_config --exists "nettle >= 3.4"; then nettle_cflags=$($pkg_config --cflags nettle) nettle_libs=$($pkg_config --libs nettle) # Link test to make sure the given libraries work (e.g for static). write_c_skeleton if compile_prog "" "$nettle_libs" ; then if test -z "$gcrypt"; then gcrypt="no" fi pass="yes" fi fi if test "$pass" = "yes" then cat > $TMPC << EOF #include int main(void) { return 0; } EOF if compile_prog "$nettle_cflags" "$nettle_libs" ; then nettle_xts=yes qemu_private_xts=no fi fi if test "$pass" = "no" && test "$nettle" = "yes"; then feature_not_found "nettle" "Install nettle devel >= 2.7.1" else nettle="$pass" fi fi if test "$gcrypt" != "no"; then pass="no" if has_libgcrypt; then gcrypt_cflags=$(libgcrypt-config --cflags) gcrypt_libs=$(libgcrypt-config --libs) # Debian has removed -lgpg-error from libgcrypt-config # as it "spreads unnecessary dependencies" which in # turn breaks static builds... if test "$static" = "yes" then gcrypt_libs="$gcrypt_libs -lgpg-error" fi # Link test to make sure the given libraries work (e.g for static). write_c_skeleton if compile_prog "" "$gcrypt_libs" ; then pass="yes" fi fi if test "$pass" = "yes"; then gcrypt="yes" cat > $TMPC << EOF #include int main(void) { gcry_cipher_hd_t handle; gcry_cipher_open(&handle, GCRY_CIPHER_AES, GCRY_CIPHER_MODE_XTS, 0); return 0; } EOF if compile_prog "$gcrypt_cflags" "$gcrypt_libs" ; then gcrypt_xts=yes qemu_private_xts=no fi elif test "$gcrypt" = "yes"; then feature_not_found "gcrypt" "Install gcrypt devel >= 1.5.0" else gcrypt="no" fi fi if test "$gcrypt" = "yes" && test "$nettle" = "yes" then error_exit "Only one of gcrypt & nettle can be enabled" fi ########################################## # libtasn1 - only for the TLS creds/session test suite tasn1=yes tasn1_cflags="" tasn1_libs="" if $pkg_config --exists "libtasn1"; then tasn1_cflags=$($pkg_config --cflags libtasn1) tasn1_libs=$($pkg_config --libs libtasn1) else tasn1=no fi ########################################## # PAM probe if test "$auth_pam" != "no"; then cat > $TMPC < #include int main(void) { const char *service_name = "qemu"; const char *user = "frank"; const struct pam_conv pam_conv = { 0 }; pam_handle_t *pamh = NULL; pam_start(service_name, user, &pam_conv, &pamh); return 0; } EOF if compile_prog "" "-lpam" ; then auth_pam=yes else if test "$auth_pam" = "yes"; then feature_not_found "PAM" "Install PAM development package" else auth_pam=no fi fi fi ########################################## # VTE probe if test "$vte" != "no"; then vteminversion="0.32.0" if $pkg_config --exists "vte-2.91"; then vtepackage="vte-2.91" else vtepackage="vte-2.90" fi if $pkg_config --exists "$vtepackage >= $vteminversion"; then vte_cflags=$($pkg_config --cflags $vtepackage) vte_libs=$($pkg_config --libs $vtepackage) vteversion=$($pkg_config --modversion $vtepackage) vte="yes" elif test "$vte" = "yes"; then feature_not_found "vte" "Install libvte-2.90/2.91 devel" else vte="no" fi fi ########################################## # RDMA needs OpenFabrics libraries if test "$rdma" != "no" ; then cat > $TMPC < int main(void) { return 0; } EOF rdma_libs="-lrdmacm -libverbs -libumad" if compile_prog "" "$rdma_libs" ; then rdma="yes" else if test "$rdma" = "yes" ; then error_exit \ " OpenFabrics librdmacm/libibverbs/libibumad not present." \ " Your options:" \ " (1) Fast: Install infiniband packages (devel) from your distro." \ " (2) Cleanest: Install libraries from www.openfabrics.org" \ " (3) Also: Install softiwarp if you don't have RDMA hardware" fi rdma="no" fi fi ########################################## # PVRDMA detection cat > $TMPC < int main(void) { char buf = 0; void *addr = &buf; addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED); return 0; } EOF if test "$rdma" = "yes" ; then case "$pvrdma" in "") if compile_prog "" ""; then pvrdma="yes" else pvrdma="no" fi ;; "yes") if ! compile_prog "" ""; then error_exit "PVRDMA is not supported since mremap is not implemented" fi pvrdma="yes" ;; "no") pvrdma="no" ;; esac else if test "$pvrdma" = "yes" ; then error_exit "PVRDMA requires rdma suppport" fi pvrdma="no" fi # Let's see if enhanced reg_mr is supported if test "$pvrdma" = "yes" ; then cat > $TMPC < int main(void) { struct ibv_mr *mr; struct ibv_pd *pd = NULL; size_t length = 10; uint64_t iova = 0; int access = 0; void *addr = NULL; mr = ibv_reg_mr_iova(pd, addr, length, iova, access); ibv_dereg_mr(mr); return 0; } EOF if ! compile_prog "" "-libverbs"; then QEMU_CFLAGS="$QEMU_CFLAGS -DLEGACY_RDMA_REG_MR" fi fi ########################################## # xfsctl() probe, used for file-posix.c if test "$xfs" != "no" ; then cat > $TMPC << EOF #include /* NULL */ #include int main(void) { xfsctl(NULL, 0, 0, NULL); return 0; } EOF if compile_prog "" "" ; then xfs="yes" else if test "$xfs" = "yes" ; then feature_not_found "xfs" "Install xfsprogs/xfslibs devel" fi xfs=no fi fi ########################################## # vde libraries probe if test "$vde" != "no" ; then vde_libs="-lvdeplug" cat > $TMPC << EOF #include int main(void) { struct vde_open_args a = {0, 0, 0}; char s[] = ""; vde_open(s, s, &a); return 0; } EOF if compile_prog "" "$vde_libs" ; then vde=yes else if test "$vde" = "yes" ; then feature_not_found "vde" "Install vde (Virtual Distributed Ethernet) devel" fi vde=no fi fi ########################################## # netmap support probe # Apart from looking for netmap headers, we make sure that the host API version # supports the netmap backend (>=11). The upper bound (15) is meant to simulate # a minor/major version number. Minor new features will be marked with values up # to 15, and if something happens that requires a change to the backend we will # move above 15, submit the backend fixes and modify this two bounds. if test "$netmap" != "no" ; then cat > $TMPC << EOF #include #include #include #include #if (NETMAP_API < 11) || (NETMAP_API > 15) #error #endif int main(void) { return 0; } EOF if compile_prog "" "" ; then netmap=yes else if test "$netmap" = "yes" ; then feature_not_found "netmap" fi netmap=no fi fi ########################################## # detect CoreAudio if test "$coreaudio" != "no" ; then coreaudio_libs="-framework CoreAudio" cat > $TMPC << EOF #include int main(void) { return (int)AudioGetCurrentHostTime(); } EOF if compile_prog "" "$coreaudio_libs" ; then coreaudio=yes else coreaudio=no fi fi ########################################## # Sound support libraries probe audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/,/ /g') for drv in $audio_drv_list; do case $drv in alsa | try-alsa) if $pkg_config alsa --exists; then alsa_libs=$($pkg_config alsa --libs) alsa_cflags=$($pkg_config alsa --cflags) alsa=yes if test "$drv" = "try-alsa"; then audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-alsa/alsa/') fi else if test "$drv" = "try-alsa"; then audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-alsa//') else error_exit "$drv check failed" \ "Make sure to have the $drv libs and headers installed." fi fi ;; pa | try-pa) if $pkg_config libpulse --exists; then libpulse=yes pulse_libs=$($pkg_config libpulse --libs) pulse_cflags=$($pkg_config libpulse --cflags) if test "$drv" = "try-pa"; then audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-pa/pa/') fi else if test "$drv" = "try-pa"; then audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-pa//') else error_exit "$drv check failed" \ "Make sure to have the $drv libs and headers installed." fi fi ;; sdl) if test "$sdl" = "no"; then error_exit "sdl not found or disabled, can not use sdl audio driver" fi ;; try-sdl) if test "$sdl" = "no"; then audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-sdl//') else audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-sdl/sdl/') fi ;; coreaudio | try-coreaudio) if test "$coreaudio" = "no"; then if test "$drv" = "try-coreaudio"; then audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-coreaudio//') else error_exit "$drv check failed" \ "Make sure to have the $drv is available." fi else coreaudio_libs="-framework CoreAudio" if test "$drv" = "try-coreaudio"; then audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-coreaudio/coreaudio/') fi fi ;; dsound) dsound_libs="-lole32 -ldxguid" audio_win_int="yes" ;; oss) oss_libs="$oss_lib" ;; jack | try-jack) if $pkg_config jack --exists; then libjack=yes jack_libs=$($pkg_config jack --libs) if test "$drv" = "try-jack"; then audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-jack/jack/') fi else if test "$drv" = "try-jack"; then audio_drv_list=$(echo "$audio_drv_list" | sed -e 's/try-jack//') else error_exit "$drv check failed" \ "Make sure to have the $drv libs and headers installed." fi fi ;; *) echo "$audio_possible_drivers" | grep -q "\<$drv\>" || { error_exit "Unknown driver '$drv' selected" \ "Possible drivers are: $audio_possible_drivers" } ;; esac done ########################################## # glib support probe glib_req_ver=2.56 glib_modules=gthread-2.0 if test "$modules" = yes; then glib_modules="$glib_modules gmodule-export-2.0" fi if test "$plugins" = yes; then glib_modules="$glib_modules gmodule-2.0" fi for i in $glib_modules; do if $pkg_config --atleast-version=$glib_req_ver $i; then glib_cflags=$($pkg_config --cflags $i) glib_libs=$($pkg_config --libs $i) else error_exit "glib-$glib_req_ver $i is required to compile QEMU" fi done # This workaround is required due to a bug in pkg-config file for glib as it # doesn't define GLIB_STATIC_COMPILATION for pkg-config --static if test "$static" = yes && test "$mingw32" = yes; then glib_cflags="-DGLIB_STATIC_COMPILATION $glib_cflags" fi if ! test "$gio" = "no"; then pass=no if $pkg_config --atleast-version=$glib_req_ver gio-2.0; then gio_cflags=$($pkg_config --cflags gio-2.0) gio_libs=$($pkg_config --libs gio-2.0) gdbus_codegen=$($pkg_config --variable=gdbus_codegen gio-2.0) if ! has "$gdbus_codegen"; then gdbus_codegen= fi # Check that the libraries actually work -- Ubuntu 18.04 ships # with pkg-config --static --libs data for gio-2.0 that is missing # -lblkid and will give a link error. cat > $TMPC < int main(void) { g_dbus_proxy_new_sync(0, 0, 0, 0, 0, 0, 0, 0); return 0; } EOF if compile_prog "$gio_cflags" "$gio_libs" ; then pass=yes else pass=no fi if test "$pass" = "yes" && $pkg_config --atleast-version=$glib_req_ver gio-unix-2.0; then gio_cflags="$gio_cflags $($pkg_config --cflags gio-unix-2.0)" gio_libs="$gio_libs $($pkg_config --libs gio-unix-2.0)" fi fi if test "$pass" = "no"; then if test "$gio" = "yes"; then feature_not_found "gio" "Install libgio >= 2.0" else gio=no fi else gio=yes fi fi # Sanity check that the current size_t matches the # size that glib thinks it should be. This catches # problems on multi-arch where people try to build # 32-bit QEMU while pointing at 64-bit glib headers cat > $TMPC < #include #define QEMU_BUILD_BUG_ON(x) \ typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused)); int main(void) { QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T); return 0; } EOF if ! compile_prog "$glib_cflags" "$glib_libs" ; then error_exit "sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T."\ "You probably need to set PKG_CONFIG_LIBDIR"\ "to point to the right pkg-config files for your"\ "build target" fi # Silence clang 3.5.0 warnings about glib attribute __alloc_size__ usage cat > $TMPC << EOF #include int main(void) { return 0; } EOF if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then if cc_has_warning_flag "-Wno-unknown-attributes"; then glib_cflags="-Wno-unknown-attributes $glib_cflags" CONFIGURE_CFLAGS="-Wno-unknown-attributes $CONFIGURE_CFLAGS" fi fi # Silence clang warnings triggered by glib < 2.57.2 cat > $TMPC << EOF #include typedef struct Foo { int i; } Foo; static void foo_free(Foo *f) { g_free(f); } G_DEFINE_AUTOPTR_CLEANUP_FUNC(Foo, foo_free); int main(void) { return 0; } EOF if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then if cc_has_warning_flag "-Wno-unused-function"; then glib_cflags="$glib_cflags -Wno-unused-function" CONFIGURE_CFLAGS="$CONFIGURE_CFLAGS -Wno-unused-function" fi fi ########################################## # SHA command probe for modules if test "$modules" = yes; then shacmd_probe="sha1sum sha1 shasum" for c in $shacmd_probe; do if has $c; then shacmd="$c" break fi done if test "$shacmd" = ""; then error_exit "one of the checksum commands is required to enable modules: $shacmd_probe" fi fi ########################################## # pthread probe PTHREADLIBS_LIST="-pthread -lpthread -lpthreadGC2" pthread=no cat > $TMPC << EOF #include static void *f(void *p) { return NULL; } int main(void) { pthread_t thread; pthread_create(&thread, 0, f, 0); return 0; } EOF if compile_prog "" "" ; then pthread=yes else for pthread_lib in $PTHREADLIBS_LIST; do if compile_prog "" "$pthread_lib" ; then pthread=yes break fi done fi if test "$mingw32" != yes && test "$pthread" = no; then error_exit "pthread check failed" \ "Make sure to have the pthread libs and headers installed." fi # check for pthread_setname_np with thread id pthread_setname_np_w_tid=no cat > $TMPC << EOF #include static void *f(void *p) { return NULL; } int main(void) { pthread_t thread; pthread_create(&thread, 0, f, 0); pthread_setname_np(thread, "QEMU"); return 0; } EOF if compile_prog "" "$pthread_lib" ; then pthread_setname_np_w_tid=yes fi # check for pthread_setname_np without thread id pthread_setname_np_wo_tid=no cat > $TMPC << EOF #include static void *f(void *p) { pthread_setname_np("QEMU"); return NULL; } int main(void) { pthread_t thread; pthread_create(&thread, 0, f, 0); return 0; } EOF if compile_prog "" "$pthread_lib" ; then pthread_setname_np_wo_tid=yes fi ########################################## # libssh probe if test "$libssh" != "no" ; then if $pkg_config --exists "libssh >= 0.8.7"; then libssh_cflags=$($pkg_config libssh --cflags) libssh_libs=$($pkg_config libssh --libs) libssh=yes else if test "$libssh" = "yes" ; then error_exit "libssh required for --enable-libssh" fi libssh=no fi fi ########################################## # linux-aio probe if test "$linux_aio" != "no" ; then cat > $TMPC < #include #include int main(void) { io_setup(0, NULL); io_set_eventfd(NULL, 0); eventfd(0, 0); return 0; } EOF if compile_prog "" "-laio" ; then linux_aio=yes else if test "$linux_aio" = "yes" ; then feature_not_found "linux AIO" "Install libaio devel" fi linux_aio=no fi fi ########################################## # linux-io-uring probe if test "$linux_io_uring" != "no" ; then if $pkg_config liburing; then linux_io_uring_cflags=$($pkg_config --cflags liburing) linux_io_uring_libs=$($pkg_config --libs liburing) linux_io_uring=yes else if test "$linux_io_uring" = "yes" ; then feature_not_found "linux io_uring" "Install liburing devel" fi linux_io_uring=no fi fi ########################################## # TPM emulation is only on POSIX if test "$tpm" = ""; then if test "$mingw32" = "yes"; then tpm=no else tpm=yes fi elif test "$tpm" = "yes"; then if test "$mingw32" = "yes" ; then error_exit "TPM emulation only available on POSIX systems" fi fi ########################################## # iovec probe cat > $TMPC < #include #include int main(void) { return sizeof(struct iovec); } EOF iovec=no if compile_prog "" "" ; then iovec=yes fi ########################################## # fdt probe case "$fdt" in auto | enabled | internal) # Simpler to always update submodule, even if not needed. git_submodules="${git_submodules} dtc" ;; esac ########################################## # opengl probe (for sdl2, gtk) gbm="no" if $pkg_config gbm; then gbm_cflags="$($pkg_config --cflags gbm)" gbm_libs="$($pkg_config --libs gbm)" gbm="yes" fi if test "$opengl" != "no" ; then epoxy=no if $pkg_config epoxy; then cat > $TMPC << EOF #include int main(void) { return 0; } EOF if compile_prog "" "" ; then epoxy=yes fi fi if test "$epoxy" = "yes" ; then opengl_cflags="$($pkg_config --cflags epoxy)" opengl_libs="$($pkg_config --libs epoxy)" opengl=yes else if test "$opengl" = "yes" ; then feature_not_found "opengl" "Please install epoxy with EGL" fi opengl_cflags="" opengl_libs="" opengl=no fi fi ########################################## # libxml2 probe if test "$libxml2" != "no" ; then if $pkg_config --exists libxml-2.0; then libxml2="yes" libxml2_cflags=$($pkg_config --cflags libxml-2.0) libxml2_libs=$($pkg_config --libs libxml-2.0) else if test "$libxml2" = "yes"; then feature_not_found "libxml2" "Install libxml2 devel" fi libxml2="no" fi fi # Check for inotify functions when we are building linux-user # emulator. This is done because older glibc versions don't # have syscall stubs for these implemented. In that case we # don't provide them even if kernel supports them. # inotify=no cat > $TMPC << EOF #include int main(void) { /* try to start inotify */ return inotify_init(); } EOF if compile_prog "" "" ; then inotify=yes fi inotify1=no cat > $TMPC << EOF #include int main(void) { /* try to start inotify */ return inotify_init1(0); } EOF if compile_prog "" "" ; then inotify1=yes fi # check if pipe2 is there pipe2=no cat > $TMPC << EOF #include #include int main(void) { int pipefd[2]; return pipe2(pipefd, O_CLOEXEC); } EOF if compile_prog "" "" ; then pipe2=yes fi # check if accept4 is there accept4=no cat > $TMPC << EOF #include #include int main(void) { accept4(0, NULL, NULL, SOCK_CLOEXEC); return 0; } EOF if compile_prog "" "" ; then accept4=yes fi # check if tee/splice is there. vmsplice was added same time. splice=no cat > $TMPC << EOF #include #include #include int main(void) { int len, fd = 0; len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK); splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE); return 0; } EOF if compile_prog "" "" ; then splice=yes fi ########################################## # libnuma probe if test "$numa" != "no" ; then cat > $TMPC << EOF #include int main(void) { return numa_available(); } EOF if compile_prog "" "-lnuma" ; then numa=yes numa_libs="-lnuma" else if test "$numa" = "yes" ; then feature_not_found "numa" "install numactl devel" fi numa=no fi fi malloc=system if test "$tcmalloc" = "yes" && test "$jemalloc" = "yes" ; then echo "ERROR: tcmalloc && jemalloc can't be used at the same time" exit 1 elif test "$tcmalloc" = "yes" ; then malloc=tcmalloc elif test "$jemalloc" = "yes" ; then malloc=jemalloc fi ########################################## # signalfd probe signalfd="no" cat > $TMPC << EOF #include #include #include int main(void) { return syscall(SYS_signalfd, -1, NULL, _NSIG / 8); } EOF if compile_prog "" "" ; then signalfd=yes fi # check if optreset global is declared by optreset="no" cat > $TMPC << EOF #include int main(void) { return optreset; } EOF if compile_prog "" "" ; then optreset=yes fi # check if eventfd is supported eventfd=no cat > $TMPC << EOF #include int main(void) { return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC); } EOF if compile_prog "" "" ; then eventfd=yes fi # check if memfd is supported memfd=no cat > $TMPC << EOF #include int main(void) { return memfd_create("foo", MFD_ALLOW_SEALING); } EOF if compile_prog "" "" ; then memfd=yes fi # check for usbfs have_usbfs=no if test "$linux_user" = "yes"; then cat > $TMPC << EOF #include #ifndef USBDEVFS_GET_CAPABILITIES #error "USBDEVFS_GET_CAPABILITIES undefined" #endif #ifndef USBDEVFS_DISCONNECT_CLAIM #error "USBDEVFS_DISCONNECT_CLAIM undefined" #endif int main(void) { return 0; } EOF if compile_prog "" ""; then have_usbfs=yes fi fi # check for fallocate fallocate=no cat > $TMPC << EOF #include int main(void) { fallocate(0, 0, 0, 0); return 0; } EOF if compile_prog "" "" ; then fallocate=yes fi # check for fallocate hole punching fallocate_punch_hole=no cat > $TMPC << EOF #include #include int main(void) { fallocate(0, FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE, 0, 0); return 0; } EOF if compile_prog "" "" ; then fallocate_punch_hole=yes fi # check that fallocate supports range zeroing inside the file fallocate_zero_range=no cat > $TMPC << EOF #include #include int main(void) { fallocate(0, FALLOC_FL_ZERO_RANGE, 0, 0); return 0; } EOF if compile_prog "" "" ; then fallocate_zero_range=yes fi # check for posix_fallocate posix_fallocate=no cat > $TMPC << EOF #include int main(void) { posix_fallocate(0, 0, 0); return 0; } EOF if compile_prog "" "" ; then posix_fallocate=yes fi # check for sync_file_range sync_file_range=no cat > $TMPC << EOF #include int main(void) { sync_file_range(0, 0, 0, 0); return 0; } EOF if compile_prog "" "" ; then sync_file_range=yes fi # check for linux/fiemap.h and FS_IOC_FIEMAP fiemap=no cat > $TMPC << EOF #include #include #include int main(void) { ioctl(0, FS_IOC_FIEMAP, 0); return 0; } EOF if compile_prog "" "" ; then fiemap=yes fi # check for dup3 dup3=no cat > $TMPC << EOF #include int main(void) { dup3(0, 0, 0); return 0; } EOF if compile_prog "" "" ; then dup3=yes fi # check for ppoll support ppoll=no cat > $TMPC << EOF #include int main(void) { struct pollfd pfd = { .fd = 0, .events = 0, .revents = 0 }; ppoll(&pfd, 1, 0, 0); return 0; } EOF if compile_prog "" "" ; then ppoll=yes fi # check for prctl(PR_SET_TIMERSLACK , ... ) support prctl_pr_set_timerslack=no cat > $TMPC << EOF #include int main(void) { prctl(PR_SET_TIMERSLACK, 1, 0, 0, 0); return 0; } EOF if compile_prog "" "" ; then prctl_pr_set_timerslack=yes fi # check for epoll support epoll=no cat > $TMPC << EOF #include int main(void) { epoll_create(0); return 0; } EOF if compile_prog "" "" ; then epoll=yes fi # epoll_create1 is a later addition # so we must check separately for its presence epoll_create1=no cat > $TMPC << EOF #include int main(void) { /* Note that we use epoll_create1 as a value, not as * a function being called. This is necessary so that on * old SPARC glibc versions where the function was present in * the library but not declared in the header file we will * fail the configure check. (Otherwise we will get a compiler * warning but not an error, and will proceed to fail the * qemu compile where we compile with -Werror.) */ return (int)(uintptr_t)&epoll_create1; } EOF if compile_prog "" "" ; then epoll_create1=yes fi # check for sendfile support sendfile=no cat > $TMPC << EOF #include int main(void) { return sendfile(0, 0, 0, 0); } EOF if compile_prog "" "" ; then sendfile=yes fi # check for timerfd support (glibc 2.8 and newer) timerfd=no cat > $TMPC << EOF #include int main(void) { return(timerfd_create(CLOCK_REALTIME, 0)); } EOF if compile_prog "" "" ; then timerfd=yes fi # check for setns and unshare support setns=no cat > $TMPC << EOF #include int main(void) { int ret; ret = setns(0, 0); ret = unshare(0); return ret; } EOF if compile_prog "" "" ; then setns=yes fi # clock_adjtime probe clock_adjtime=no cat > $TMPC < #include int main(void) { return clock_adjtime(0, 0); } EOF clock_adjtime=no if compile_prog "" "" ; then clock_adjtime=yes fi # syncfs probe syncfs=no cat > $TMPC < int main(void) { return syncfs(0); } EOF syncfs=no if compile_prog "" "" ; then syncfs=yes fi # Search for bswap_32 function byteswap_h=no cat > $TMPC << EOF #include int main(void) { return bswap_32(0); } EOF if compile_prog "" "" ; then byteswap_h=yes fi # Search for bswap32 function bswap_h=no cat > $TMPC << EOF #include #include #include int main(void) { return bswap32(0); } EOF if compile_prog "" "" ; then bswap_h=yes fi # Check whether we have openpty() in either libc or libutil cat > $TMPC << EOF extern int openpty(int *am, int *as, char *name, void *termp, void *winp); int main(void) { return openpty(0, 0, 0, 0, 0); } EOF have_openpty="no" if compile_prog "" "" ; then have_openpty="yes" else if compile_prog "" "-lutil" ; then have_openpty="yes" fi fi ########################################## # spice probe if test "$spice_protocol" != "no" ; then spice_protocol_cflags=$($pkg_config --cflags spice-protocol 2>/dev/null) if $pkg_config --atleast-version=0.12.3 spice-protocol; then spice_protocol="yes" else if test "$spice_protocol" = "yes" ; then feature_not_found "spice_protocol" \ "Install spice-protocol(>=0.12.3) devel" fi spice_protocol="no" fi fi if test "$spice" != "no" ; then cat > $TMPC << EOF #include int main(void) { spice_server_new(); return 0; } EOF spice_cflags=$($pkg_config --cflags spice-protocol spice-server 2>/dev/null) spice_libs=$($pkg_config --libs spice-protocol spice-server 2>/dev/null) if $pkg_config --atleast-version=0.12.5 spice-server && \ test "$spice_protocol" = "yes" && \ compile_prog "$spice_cflags" "$spice_libs" ; then spice="yes" else if test "$spice" = "yes" ; then feature_not_found "spice" \ "Install spice-server(>=0.12.5) devel" fi spice="no" fi fi # check for smartcard support if test "$smartcard" != "no"; then if $pkg_config --atleast-version=2.5.1 libcacard; then libcacard_cflags=$($pkg_config --cflags libcacard) libcacard_libs=$($pkg_config --libs libcacard) smartcard="yes" else if test "$smartcard" = "yes"; then feature_not_found "smartcard" "Install libcacard devel" fi smartcard="no" fi fi # check for libusb if test "$libusb" != "no" ; then if $pkg_config --atleast-version=1.0.13 libusb-1.0; then libusb="yes" libusb_cflags=$($pkg_config --cflags libusb-1.0) libusb_libs=$($pkg_config --libs libusb-1.0) else if test "$libusb" = "yes"; then feature_not_found "libusb" "Install libusb devel >= 1.0.13" fi libusb="no" fi fi # check for usbredirparser for usb network redirection support if test "$usb_redir" != "no" ; then if $pkg_config --atleast-version=0.6 libusbredirparser-0.5; then usb_redir="yes" usb_redir_cflags=$($pkg_config --cflags libusbredirparser-0.5) usb_redir_libs=$($pkg_config --libs libusbredirparser-0.5) else if test "$usb_redir" = "yes"; then feature_not_found "usb-redir" "Install usbredir devel" fi usb_redir="no" fi fi ########################################## # check if we have VSS SDK headers for win if test "$mingw32" = "yes" && test "$guest_agent" != "no" && \ test "$vss_win32_sdk" != "no" ; then case "$vss_win32_sdk" in "") vss_win32_include="-isystem $source_path" ;; *\ *) # The SDK is installed in "Program Files" by default, but we cannot # handle path with spaces. So we symlink the headers into ".sdk/vss". vss_win32_include="-isystem $source_path/.sdk/vss" symlink "$vss_win32_sdk/inc" "$source_path/.sdk/vss/inc" ;; *) vss_win32_include="-isystem $vss_win32_sdk" esac cat > $TMPC << EOF #define __MIDL_user_allocate_free_DEFINED__ #include int main(void) { return VSS_CTX_BACKUP; } EOF if compile_prog "$vss_win32_include" "" ; then guest_agent_with_vss="yes" QEMU_CFLAGS="$QEMU_CFLAGS $vss_win32_include" libs_qga="-lole32 -loleaut32 -lshlwapi -lstdc++ -Wl,--enable-stdcall-fixup $libs_qga" qga_vss_provider="qga/vss-win32/qga-vss.dll qga/vss-win32/qga-vss.tlb" else if test "$vss_win32_sdk" != "" ; then echo "ERROR: Please download and install Microsoft VSS SDK:" echo "ERROR: http://www.microsoft.com/en-us/download/details.aspx?id=23490" echo "ERROR: On POSIX-systems, you can extract the SDK headers by:" echo "ERROR: scripts/extract-vsssdk-headers setup.exe" echo "ERROR: The headers are extracted in the directory \`inc'." feature_not_found "VSS support" fi guest_agent_with_vss="no" fi fi ########################################## # lookup Windows platform SDK (if not specified) # The SDK is needed only to build .tlb (type library) file of guest agent # VSS provider from the source. It is usually unnecessary because the # pre-compiled .tlb file is included. if test "$mingw32" = "yes" && test "$guest_agent" != "no" && \ test "$guest_agent_with_vss" = "yes" ; then if test -z "$win_sdk"; then programfiles="$PROGRAMFILES" test -n "$PROGRAMW6432" && programfiles="$PROGRAMW6432" if test -n "$programfiles"; then win_sdk=$(ls -d "$programfiles/Microsoft SDKs/Windows/v"* | tail -1) 2>/dev/null else feature_not_found "Windows SDK" fi elif test "$win_sdk" = "no"; then win_sdk="" fi fi ########################################## # check if mingw environment provides a recent ntddscsi.h if test "$mingw32" = "yes" && test "$guest_agent" != "no"; then cat > $TMPC << EOF #include #include int main(void) { #if !defined(IOCTL_SCSI_GET_ADDRESS) #error Missing required ioctl definitions #endif SCSI_ADDRESS addr = { .Lun = 0, .TargetId = 0, .PathId = 0 }; return addr.Lun; } EOF if compile_prog "" "" ; then guest_agent_ntddscsi=yes libs_qga="-lsetupapi -lcfgmgr32 $libs_qga" fi fi ########################################## # virgl renderer probe if test "$virglrenderer" != "no" ; then cat > $TMPC << EOF #include int main(void) { virgl_renderer_poll(); return 0; } EOF virgl_cflags=$($pkg_config --cflags virglrenderer 2>/dev/null) virgl_libs=$($pkg_config --libs virglrenderer 2>/dev/null) virgl_version=$($pkg_config --modversion virglrenderer 2>/dev/null) if $pkg_config virglrenderer >/dev/null 2>&1 && \ compile_prog "$virgl_cflags" "$virgl_libs" ; then virglrenderer="yes" else if test "$virglrenderer" = "yes" ; then feature_not_found "virglrenderer" fi virglrenderer="no" fi fi ########################################## # capstone case "$capstone" in auto | enabled | internal) # Simpler to always update submodule, even if not needed. git_submodules="${git_submodules} capstone" ;; esac ########################################## # check if we have fdatasync fdatasync=no cat > $TMPC << EOF #include int main(void) { #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0 return fdatasync(0); #else #error Not supported #endif } EOF if compile_prog "" "" ; then fdatasync=yes fi ########################################## # check if we have madvise madvise=no cat > $TMPC << EOF #include #include #include int main(void) { return madvise(NULL, 0, MADV_DONTNEED); } EOF if compile_prog "" "" ; then madvise=yes fi ########################################## # check if we have posix_madvise posix_madvise=no cat > $TMPC << EOF #include #include int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); } EOF if compile_prog "" "" ; then posix_madvise=yes fi ########################################## # check if we have posix_memalign() posix_memalign=no cat > $TMPC << EOF #include int main(void) { void *p; return posix_memalign(&p, 8, 8); } EOF if compile_prog "" "" ; then posix_memalign=yes fi ########################################## # check if we have posix_syslog posix_syslog=no cat > $TMPC << EOF #include int main(void) { openlog("qemu", LOG_PID, LOG_DAEMON); syslog(LOG_INFO, "configure"); return 0; } EOF if compile_prog "" "" ; then posix_syslog=yes fi ########################################## # check if we have sem_timedwait sem_timedwait=no cat > $TMPC << EOF #include int main(void) { sem_t s; struct timespec t = {0}; return sem_timedwait(&s, &t); } EOF if compile_prog "" "" ; then sem_timedwait=yes fi ########################################## # check if we have strchrnul strchrnul=no cat > $TMPC << EOF #include int main(void); // Use a haystack that the compiler shouldn't be able to constant fold char *haystack = (char*)&main; int main(void) { return strchrnul(haystack, 'x') != &haystack[6]; } EOF if compile_prog "" "" ; then strchrnul=yes fi ######################################### # check if we have st_atim st_atim=no cat > $TMPC << EOF #include #include int main(void) { return offsetof(struct stat, st_atim); } EOF if compile_prog "" "" ; then st_atim=yes fi ########################################## # check if trace backend exists $python "$source_path/scripts/tracetool.py" "--backends=$trace_backends" --check-backends > /dev/null 2> /dev/null if test "$?" -ne 0 ; then error_exit "invalid trace backends" \ "Please choose supported trace backends." fi ########################################## # For 'ust' backend, test if ust headers are present if have_backend "ust"; then cat > $TMPC << EOF #include int main(void) { return 0; } EOF if compile_prog "" "-Wl,--no-as-needed -ldl" ; then if $pkg_config lttng-ust --exists; then lttng_ust_libs=$($pkg_config --libs lttng-ust) else lttng_ust_libs="-llttng-ust -ldl" fi if $pkg_config liburcu-bp --exists; then urcu_bp_libs=$($pkg_config --libs liburcu-bp) else urcu_bp_libs="-lurcu-bp" fi else error_exit "Trace backend 'ust' missing lttng-ust header files" fi fi ########################################## # For 'dtrace' backend, test if 'dtrace' command is present if have_backend "dtrace"; then if ! has 'dtrace' ; then error_exit "dtrace command is not found in PATH $PATH" fi trace_backend_stap="no" if has 'stap' ; then trace_backend_stap="yes" # Workaround to avoid dtrace(1) producing a file with 'hidden' symbol # visibility. Define STAP_SDT_V2 to produce 'default' symbol visibility # instead. QEMU --enable-modules depends on this because the SystemTap # semaphores are linked into the main binary and not the module's shared # object. QEMU_CFLAGS="$QEMU_CFLAGS -DSTAP_SDT_V2" fi fi ########################################## # check and set a backend for coroutine # We prefer ucontext, but it's not always possible. The fallback # is sigcontext. On Windows the only valid backend is the Windows # specific one. ucontext_works=no if test "$darwin" != "yes"; then cat > $TMPC << EOF #include #ifdef __stub_makecontext #error Ignoring glibc stub makecontext which will always fail #endif int main(void) { makecontext(0, 0, 0); return 0; } EOF if compile_prog "" "" ; then ucontext_works=yes fi fi if test "$coroutine" = ""; then if test "$mingw32" = "yes"; then coroutine=win32 elif test "$ucontext_works" = "yes"; then coroutine=ucontext else coroutine=sigaltstack fi else case $coroutine in windows) if test "$mingw32" != "yes"; then error_exit "'windows' coroutine backend only valid for Windows" fi # Unfortunately the user visible backend name doesn't match the # coroutine-*.c filename for this case, so we have to adjust it here. coroutine=win32 ;; ucontext) if test "$ucontext_works" != "yes"; then feature_not_found "ucontext" fi ;; sigaltstack) if test "$mingw32" = "yes"; then error_exit "only the 'windows' coroutine backend is valid for Windows" fi ;; *) error_exit "unknown coroutine backend $coroutine" ;; esac fi if test "$coroutine_pool" = ""; then coroutine_pool=yes fi if test "$debug_stack_usage" = "yes"; then if test "$coroutine_pool" = "yes"; then echo "WARN: disabling coroutine pool for stack usage debugging" coroutine_pool=no fi fi ################################################## # SafeStack if test "$safe_stack" = "yes"; then cat > $TMPC << EOF int main(int argc, char *argv[]) { #if ! __has_feature(safe_stack) #error SafeStack Disabled #endif return 0; } EOF flag="-fsanitize=safe-stack" # Check that safe-stack is supported and enabled. if compile_prog "-Werror $flag" "$flag"; then # Flag needed both at compilation and at linking QEMU_CFLAGS="$QEMU_CFLAGS $flag" QEMU_LDFLAGS="$QEMU_LDFLAGS $flag" else error_exit "SafeStack not supported by your compiler" fi if test "$coroutine" != "ucontext"; then error_exit "SafeStack is only supported by the coroutine backend ucontext" fi else cat > $TMPC << EOF int main(int argc, char *argv[]) { #if defined(__has_feature) #if __has_feature(safe_stack) #error SafeStack Enabled #endif #endif return 0; } EOF if test "$safe_stack" = "no"; then # Make sure that safe-stack is disabled if ! compile_prog "-Werror" ""; then # SafeStack was already enabled, try to explicitly remove the feature flag="-fno-sanitize=safe-stack" if ! compile_prog "-Werror $flag" "$flag"; then error_exit "Configure cannot disable SafeStack" fi QEMU_CFLAGS="$QEMU_CFLAGS $flag" QEMU_LDFLAGS="$QEMU_LDFLAGS $flag" fi else # "$safe_stack" = "" # Set safe_stack to yes or no based on pre-existing flags if compile_prog "-Werror" ""; then safe_stack="no" else safe_stack="yes" if test "$coroutine" != "ucontext"; then error_exit "SafeStack is only supported by the coroutine backend ucontext" fi fi fi fi ########################################## # check if we have open_by_handle_at open_by_handle_at=no cat > $TMPC << EOF #include #if !defined(AT_EMPTY_PATH) # error missing definition #else int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); } #endif EOF if compile_prog "" "" ; then open_by_handle_at=yes fi ######################################## # check if we have linux/magic.h linux_magic_h=no cat > $TMPC << EOF #include int main(void) { return 0; } EOF if compile_prog "" "" ; then linux_magic_h=yes fi ######################################## # check if we have valgrind/valgrind.h valgrind_h=no cat > $TMPC << EOF #include int main(void) { return 0; } EOF if compile_prog "" "" ; then valgrind_h=yes fi ######################################## # check if environ is declared has_environ=no cat > $TMPC << EOF #include int main(void) { environ = 0; return 0; } EOF if compile_prog "" "" ; then has_environ=yes fi ######################################## # check if cpuid.h is usable. cat > $TMPC << EOF #include int main(void) { unsigned a, b, c, d; int max = __get_cpuid_max(0, 0); if (max >= 1) { __cpuid(1, a, b, c, d); } if (max >= 7) { __cpuid_count(7, 0, a, b, c, d); } return 0; } EOF if compile_prog "" "" ; then cpuid_h=yes fi ########################################## # avx2 optimization requirement check # # There is no point enabling this if cpuid.h is not usable, # since we won't be able to select the new routines. if test "$cpuid_h" = "yes" && test "$avx2_opt" != "no"; then cat > $TMPC << EOF #pragma GCC push_options #pragma GCC target("avx2") #include #include static int bar(void *a) { __m256i x = *(__m256i *)a; return _mm256_testz_si256(x, x); } int main(int argc, char *argv[]) { return bar(argv[0]); } EOF if compile_object "" ; then avx2_opt="yes" else avx2_opt="no" fi fi ########################################## # avx512f optimization requirement check # # There is no point enabling this if cpuid.h is not usable, # since we won't be able to select the new routines. # by default, it is turned off. # if user explicitly want to enable it, check environment if test "$cpuid_h" = "yes" && test "$avx512f_opt" = "yes"; then cat > $TMPC << EOF #pragma GCC push_options #pragma GCC target("avx512f") #include #include static int bar(void *a) { __m512i x = *(__m512i *)a; return _mm512_test_epi64_mask(x, x); } int main(int argc, char *argv[]) { return bar(argv[0]); } EOF if ! compile_object "" ; then avx512f_opt="no" fi else avx512f_opt="no" fi ######################################## # check if __[u]int128_t is usable. int128=no cat > $TMPC << EOF __int128_t a; __uint128_t b; int main (void) { a = a + b; b = a * b; a = a * a; return 0; } EOF if compile_prog "" "" ; then int128=yes fi ######################################### # See if 128-bit atomic operations are supported. atomic128=no if test "$int128" = "yes"; then cat > $TMPC << EOF int main(void) { unsigned __int128 x = 0, y = 0; y = __atomic_load(&x, 0); __atomic_store(&x, y, 0); __atomic_compare_exchange(&x, &y, x, 0, 0, 0); return 0; } EOF if compile_prog "" "" ; then atomic128=yes fi fi cmpxchg128=no if test "$int128" = yes && test "$atomic128" = no; then cat > $TMPC << EOF int main(void) { unsigned __int128 x = 0, y = 0; __sync_val_compare_and_swap_16(&x, y, x); return 0; } EOF if compile_prog "" "" ; then cmpxchg128=yes fi fi ######################################### # See if 64-bit atomic operations are supported. # Note that without __atomic builtins, we can only # assume atomic loads/stores max at pointer size. cat > $TMPC << EOF #include int main(void) { uint64_t x = 0, y = 0; #ifdef __ATOMIC_RELAXED y = __atomic_load_n(&x, __ATOMIC_RELAXED); __atomic_store_n(&x, y, __ATOMIC_RELAXED); __atomic_compare_exchange_n(&x, &y, x, 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED); __atomic_exchange_n(&x, y, __ATOMIC_RELAXED); __atomic_fetch_add(&x, y, __ATOMIC_RELAXED); #else typedef char is_host64[sizeof(void *) >= sizeof(uint64_t) ? 1 : -1]; __sync_lock_test_and_set(&x, y); __sync_val_compare_and_swap(&x, y, 0); __sync_fetch_and_add(&x, y); #endif return 0; } EOF if compile_prog "" "" ; then atomic64=yes fi ######################################### # See if --dynamic-list is supported by the linker ld_dynamic_list="no" if test "$static" = "no" ; then cat > $TMPTXT < $TMPC < void foo(void); void foo(void) { printf("foo\n"); } int main(void) { foo(); return 0; } EOF if compile_prog "" "-Wl,--dynamic-list=$TMPTXT" ; then ld_dynamic_list="yes" fi fi ######################################### # See if -exported_symbols_list is supported by the linker ld_exported_symbols_list="no" if test "$static" = "no" ; then cat > $TMPTXT < $TMPC << EOF #include int main(void) { return getauxval(AT_HWCAP) == 0; } EOF if compile_prog "" "" ; then getauxval=yes fi ######################################## # check if ccache is interfering with # semantic analysis of macros unset CCACHE_CPP2 ccache_cpp2=no cat > $TMPC << EOF static const int Z = 1; #define fn() ({ Z; }) #define TAUT(X) ((X) == Z) #define PAREN(X, Y) (X == Y) #define ID(X) (X) int main(int argc, char *argv[]) { int x = 0, y = 0; x = ID(x); x = fn(); fn(); if (PAREN(x, y)) return 0; if (TAUT(Z)) return 0; return 0; } EOF if ! compile_object "-Werror"; then ccache_cpp2=yes fi ################################################# # clang does not support glibc + FORTIFY_SOURCE. if test "$fortify_source" != "no"; then if echo | $cc -dM -E - | grep __clang__ > /dev/null 2>&1 ; then fortify_source="no"; elif test -n "$cxx" && has $cxx && echo | $cxx -dM -E - | grep __clang__ >/dev/null 2>&1 ; then fortify_source="no"; else fortify_source="yes" fi fi ############################################### # Check if copy_file_range is provided by glibc have_copy_file_range=no cat > $TMPC << EOF #include int main(void) { copy_file_range(0, NULL, 0, NULL, 0, 0); return 0; } EOF if compile_prog "" "" ; then have_copy_file_range=yes fi ########################################## # check if struct fsxattr is available via linux/fs.h have_fsxattr=no cat > $TMPC << EOF #include struct fsxattr foo; int main(void) { return 0; } EOF if compile_prog "" "" ; then have_fsxattr=yes fi ########################################## # check for usable membarrier system call if test "$membarrier" = "yes"; then have_membarrier=no if test "$mingw32" = "yes" ; then have_membarrier=yes elif test "$linux" = "yes" ; then cat > $TMPC << EOF #include #include #include #include int main(void) { syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0); syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0); exit(0); } EOF if compile_prog "" "" ; then have_membarrier=yes fi fi if test "$have_membarrier" = "no"; then feature_not_found "membarrier" "membarrier system call not available" fi else # Do not enable it by default even for Mingw32, because it doesn't # work on Wine. membarrier=no fi ########################################## # check if rtnetlink.h exists and is useful have_rtnetlink=no cat > $TMPC << EOF #include int main(void) { return IFLA_PROTO_DOWN; } EOF if compile_prog "" "" ; then have_rtnetlink=yes fi ########################################## # check for usable AF_VSOCK environment have_af_vsock=no cat > $TMPC << EOF #include #include #include #if !defined(AF_VSOCK) # error missing AF_VSOCK flag #endif #include int main(void) { int sock, ret; struct sockaddr_vm svm; socklen_t len = sizeof(svm); sock = socket(AF_VSOCK, SOCK_STREAM, 0); ret = getpeername(sock, (struct sockaddr *)&svm, &len); if ((ret == -1) && (errno == ENOTCONN)) { return 0; } return -1; } EOF if compile_prog "" "" ; then have_af_vsock=yes fi ########################################## # check for usable AF_ALG environment have_afalg=no cat > $TMPC << EOF #include #include #include #include int main(void) { int sock; sock = socket(AF_ALG, SOCK_SEQPACKET, 0); return sock; } EOF if compile_prog "" "" ; then have_afalg=yes fi if test "$crypto_afalg" = "yes" then if test "$have_afalg" != "yes" then error_exit "AF_ALG requested but could not be detected" fi fi ################################################# # check for sysmacros.h have_sysmacros=no cat > $TMPC << EOF #include int main(void) { return makedev(0, 0); } EOF if compile_prog "" "" ; then have_sysmacros=yes fi ########################################## # check for _Static_assert() have_static_assert=no cat > $TMPC << EOF _Static_assert(1, "success"); int main(void) { return 0; } EOF if compile_prog "" "" ; then have_static_assert=yes fi ########################################## # check for utmpx.h, it is missing e.g. on OpenBSD have_utmpx=no cat > $TMPC << EOF #include struct utmpx user_info; int main(void) { return 0; } EOF if compile_prog "" "" ; then have_utmpx=yes fi ########################################## # check for getrandom() have_getrandom=no cat > $TMPC << EOF #include int main(void) { return getrandom(0, 0, GRND_NONBLOCK); } EOF if compile_prog "" "" ; then have_getrandom=yes fi ########################################## # checks for sanitizers have_asan=no have_ubsan=no have_asan_iface_h=no have_asan_iface_fiber=no if test "$sanitizers" = "yes" ; then write_c_skeleton if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" ""; then have_asan=yes fi # we could use a simple skeleton for flags checks, but this also # detect the static linking issue of ubsan, see also: # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84285 cat > $TMPC << EOF #include int main(void) { void *tmp = malloc(10); if (tmp != NULL) { return *(int *)(tmp + 2); } return 1; } EOF if compile_prog "$CPU_CFLAGS -Werror -fsanitize=undefined" ""; then have_ubsan=yes fi if check_include "sanitizer/asan_interface.h" ; then have_asan_iface_h=yes fi cat > $TMPC << EOF #include int main(void) { __sanitizer_start_switch_fiber(0, 0, 0); return 0; } EOF if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address" "" ; then have_asan_iface_fiber=yes fi fi ########################################## # checks for fuzzer if test "$fuzzing" = "yes" && test -z "${LIB_FUZZING_ENGINE+xxx}"; then write_c_fuzzer_skeleton if compile_prog "$CPU_CFLAGS -Werror -fsanitize=fuzzer" ""; then have_fuzzer=yes else error_exit "Your compiler doesn't support -fsanitize=fuzzer" exit 1 fi fi # Thread sanitizer is, for now, much noisier than the other sanitizers; # keep it separate until that is not the case. if test "$tsan" = "yes" && test "$sanitizers" = "yes"; then error_exit "TSAN is not supported with other sanitiziers." fi have_tsan=no have_tsan_iface_fiber=no if test "$tsan" = "yes" ; then write_c_skeleton if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then have_tsan=yes fi cat > $TMPC << EOF #include int main(void) { __tsan_create_fiber(0); return 0; } EOF if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then have_tsan_iface_fiber=yes fi fi ########################################## # check for libpmem if test "$libpmem" != "no"; then if $pkg_config --exists "libpmem"; then libpmem="yes" libpmem_libs=$($pkg_config --libs libpmem) libpmem_cflags=$($pkg_config --cflags libpmem) else if test "$libpmem" = "yes" ; then feature_not_found "libpmem" "Install nvml or pmdk" fi libpmem="no" fi fi ########################################## # check for libdaxctl if test "$libdaxctl" != "no"; then if $pkg_config --atleast-version=57 "libdaxctl"; then libdaxctl="yes" libdaxctl_libs=$($pkg_config --libs libdaxctl) libdaxctl_cflags=$($pkg_config --cflags libdaxctl) else if test "$libdaxctl" = "yes" ; then feature_not_found "libdaxctl" "Install libdaxctl" fi libdaxctl="no" fi fi ########################################## # check for slirp case "$slirp" in auto | enabled | internal) # Simpler to always update submodule, even if not needed. git_submodules="${git_submodules} slirp" ;; esac # Check for slirp smbd dupport : ${smbd=${SMBD-/usr/sbin/smbd}} if test "$slirp_smbd" != "no" ; then if test "$mingw32" = "yes" ; then if test "$slirp_smbd" = "yes" ; then error_exit "Host smbd not supported on this platform." fi slirp_smbd=no else slirp_smbd=yes fi fi ########################################## # check for usable __NR_keyctl syscall if test "$linux" = "yes" ; then have_keyring=no cat > $TMPC << EOF #include #include #include #include int main(void) { return syscall(__NR_keyctl, KEYCTL_READ, 0, NULL, NULL, 0); } EOF if compile_prog "" "" ; then have_keyring=yes fi fi if test "$secret_keyring" != "no" then if test "$have_keyring" = "yes" then secret_keyring=yes else if test "$secret_keyring" = "yes" then error_exit "syscall __NR_keyctl requested, \ but not implemented on your system" else secret_keyring=no fi fi fi ########################################## # End of CC checks # After here, no more $cc or $ld runs write_c_skeleton if test "$gcov" = "yes" ; then : elif test "$fortify_source" = "yes" ; then QEMU_CFLAGS="-U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $QEMU_CFLAGS" debug=no fi case "$ARCH" in alpha) # Ensure there's only a single GP QEMU_CFLAGS="-msmall-data $QEMU_CFLAGS" ;; esac if test "$gprof" = "yes" ; then QEMU_CFLAGS="-p $QEMU_CFLAGS" QEMU_LDFLAGS="-p $QEMU_LDFLAGS" fi if test "$have_asan" = "yes"; then QEMU_CFLAGS="-fsanitize=address $QEMU_CFLAGS" QEMU_LDFLAGS="-fsanitize=address $QEMU_LDFLAGS" if test "$have_asan_iface_h" = "no" ; then echo "ASAN build enabled, but ASAN header missing." \ "Without code annotation, the report may be inferior." elif test "$have_asan_iface_fiber" = "no" ; then echo "ASAN build enabled, but ASAN header is too old." \ "Without code annotation, the report may be inferior." fi fi if test "$have_tsan" = "yes" ; then if test "$have_tsan_iface_fiber" = "yes" ; then QEMU_CFLAGS="-fsanitize=thread $QEMU_CFLAGS" QEMU_LDFLAGS="-fsanitize=thread $QEMU_LDFLAGS" else error_exit "Cannot enable TSAN due to missing fiber annotation interface." fi elif test "$tsan" = "yes" ; then error_exit "Cannot enable TSAN due to missing sanitize thread interface." fi if test "$have_ubsan" = "yes"; then QEMU_CFLAGS="-fsanitize=undefined $QEMU_CFLAGS" QEMU_LDFLAGS="-fsanitize=undefined $QEMU_LDFLAGS" fi ########################################## # Exclude --warn-common with TSan to suppress warnings from the TSan libraries. if test "$solaris" = "no" && test "$tsan" = "no"; then if $ld --version 2>/dev/null | grep "GNU ld" >/dev/null 2>/dev/null ; then QEMU_LDFLAGS="-Wl,--warn-common $QEMU_LDFLAGS" fi fi # Use ASLR, no-SEH and DEP if available if test "$mingw32" = "yes" ; then flags="--no-seh --nxcompat" # Disable ASLR for debug builds to allow debugging with gdb if test "$debug" = "no" ; then flags="--dynamicbase $flags" fi for flag in $flags; do if ld_has $flag ; then QEMU_LDFLAGS="-Wl,$flag $QEMU_LDFLAGS" fi done fi # We can only support ivshmem if we have eventfd if [ "$eventfd" = "yes" ]; then ivshmem=yes fi # Probe for guest agent support/options if [ "$guest_agent" != "no" ]; then if [ "$softmmu" = no -a "$want_tools" = no ] ; then guest_agent=no elif [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" -o "$mingw32" = "yes" ] ; then guest_agent=yes elif [ "$guest_agent" != yes ]; then guest_agent=no else error_exit "Guest agent is not supported on this platform" fi fi # Guest agent Windows MSI package if test "$QEMU_GA_MANUFACTURER" = ""; then QEMU_GA_MANUFACTURER=QEMU fi if test "$QEMU_GA_DISTRO" = ""; then QEMU_GA_DISTRO=Linux fi if test "$QEMU_GA_VERSION" = ""; then QEMU_GA_VERSION=$(cat $source_path/VERSION) fi QEMU_GA_MSI_MINGW_DLL_PATH="$($pkg_config --variable=prefix glib-2.0)/bin" # Mac OS X ships with a broken assembler roms= if { test "$cpu" = "i386" || test "$cpu" = "x86_64"; } && \ test "$targetos" != "Darwin" && test "$targetos" != "SunOS" && \ test "$targetos" != "Haiku" && test "$softmmu" = yes ; then # Different host OS linkers have different ideas about the name of the ELF # emulation. Linux and OpenBSD/amd64 use 'elf_i386'; FreeBSD uses the _fbsd # variant; OpenBSD/i386 uses the _obsd variant; and Windows uses i386pe. for emu in elf_i386 elf_i386_fbsd elf_i386_obsd i386pe; do if "$ld" -verbose 2>&1 | grep -q "^[[:space:]]*$emu[[:space:]]*$"; then ld_i386_emulation="$emu" roms="optionrom" break fi done fi # Only build s390-ccw bios if we're on s390x and the compiler has -march=z900 # or -march=z10 (which is the lowest architecture level that Clang supports) if test "$cpu" = "s390x" ; then write_c_skeleton compile_prog "-march=z900" "" has_z900=$? if [ $has_z900 = 0 ] || compile_prog "-march=z10" ""; then if [ $has_z900 != 0 ]; then echo "WARNING: Your compiler does not support the z900!" echo " The s390-ccw bios will only work with guest CPUs >= z10." fi roms="$roms s390-ccw" # SLOF is required for building the s390-ccw firmware on s390x, # since it is using the libnet code from SLOF for network booting. git_submodules="${git_submodules} roms/SLOF" fi fi # Check that the C++ compiler exists and works with the C compiler. # All the QEMU_CXXFLAGS are based on QEMU_CFLAGS. Keep this at the end to don't miss any other that could be added. if has $cxx; then cat > $TMPC < $TMPCXX < $config_host_mak echo >> $config_host_mak echo all: >> $config_host_mak echo "GIT=$git" >> $config_host_mak echo "GIT_SUBMODULES=$git_submodules" >> $config_host_mak echo "GIT_SUBMODULES_ACTION=$git_submodules_action" >> $config_host_mak echo "ARCH=$ARCH" >> $config_host_mak if test "$debug_tcg" = "yes" ; then echo "CONFIG_DEBUG_TCG=y" >> $config_host_mak fi if test "$strip_opt" = "yes" ; then echo "STRIP=${strip}" >> $config_host_mak fi if test "$bigendian" = "yes" ; then echo "HOST_WORDS_BIGENDIAN=y" >> $config_host_mak fi if test "$mingw32" = "yes" ; then echo "CONFIG_WIN32=y" >> $config_host_mak if test "$guest_agent_with_vss" = "yes" ; then echo "CONFIG_QGA_VSS=y" >> $config_host_mak echo "QGA_VSS_PROVIDER=$qga_vss_provider" >> $config_host_mak echo "WIN_SDK=\"$win_sdk\"" >> $config_host_mak fi if test "$guest_agent_ntddscsi" = "yes" ; then echo "CONFIG_QGA_NTDDSCSI=y" >> $config_host_mak fi echo "QEMU_GA_MSI_MINGW_DLL_PATH=${QEMU_GA_MSI_MINGW_DLL_PATH}" >> $config_host_mak echo "QEMU_GA_MANUFACTURER=${QEMU_GA_MANUFACTURER}" >> $config_host_mak echo "QEMU_GA_DISTRO=${QEMU_GA_DISTRO}" >> $config_host_mak echo "QEMU_GA_VERSION=${QEMU_GA_VERSION}" >> $config_host_mak else echo "CONFIG_POSIX=y" >> $config_host_mak fi if test "$linux" = "yes" ; then echo "CONFIG_LINUX=y" >> $config_host_mak fi if test "$darwin" = "yes" ; then echo "CONFIG_DARWIN=y" >> $config_host_mak fi if test "$solaris" = "yes" ; then echo "CONFIG_SOLARIS=y" >> $config_host_mak fi if test "$haiku" = "yes" ; then echo "CONFIG_HAIKU=y" >> $config_host_mak fi if test "$static" = "yes" ; then echo "CONFIG_STATIC=y" >> $config_host_mak fi if test "$profiler" = "yes" ; then echo "CONFIG_PROFILER=y" >> $config_host_mak fi if test "$want_tools" = "yes" ; then echo "CONFIG_TOOLS=y" >> $config_host_mak fi if test "$guest_agent" = "yes" ; then echo "CONFIG_GUEST_AGENT=y" >> $config_host_mak fi if test "$slirp_smbd" = "yes" ; then echo "CONFIG_SLIRP_SMBD=y" >> $config_host_mak echo "CONFIG_SMBD_COMMAND=\"$smbd\"" >> $config_host_mak fi if test "$vde" = "yes" ; then echo "CONFIG_VDE=y" >> $config_host_mak echo "VDE_LIBS=$vde_libs" >> $config_host_mak fi if test "$netmap" = "yes" ; then echo "CONFIG_NETMAP=y" >> $config_host_mak fi if test "$l2tpv3" = "yes" ; then echo "CONFIG_L2TPV3=y" >> $config_host_mak fi if test "$gprof" = "yes" ; then echo "CONFIG_GPROF=y" >> $config_host_mak fi echo "CONFIG_AUDIO_DRIVERS=$audio_drv_list" >> $config_host_mak for drv in $audio_drv_list; do def=CONFIG_AUDIO_$(echo $drv | LC_ALL=C tr '[a-z]' '[A-Z]') echo "$def=y" >> $config_host_mak done if test "$alsa" = "yes" ; then echo "CONFIG_ALSA=y" >> $config_host_mak fi echo "ALSA_LIBS=$alsa_libs" >> $config_host_mak echo "ALSA_CFLAGS=$alsa_cflags" >> $config_host_mak if test "$libpulse" = "yes" ; then echo "CONFIG_LIBPULSE=y" >> $config_host_mak fi echo "PULSE_LIBS=$pulse_libs" >> $config_host_mak echo "PULSE_CFLAGS=$pulse_cflags" >> $config_host_mak echo "COREAUDIO_LIBS=$coreaudio_libs" >> $config_host_mak echo "DSOUND_LIBS=$dsound_libs" >> $config_host_mak echo "OSS_LIBS=$oss_libs" >> $config_host_mak if test "$libjack" = "yes" ; then echo "CONFIG_LIBJACK=y" >> $config_host_mak fi echo "JACK_LIBS=$jack_libs" >> $config_host_mak if test "$audio_win_int" = "yes" ; then echo "CONFIG_AUDIO_WIN_INT=y" >> $config_host_mak fi echo "CONFIG_BDRV_RW_WHITELIST=$block_drv_rw_whitelist" >> $config_host_mak echo "CONFIG_BDRV_RO_WHITELIST=$block_drv_ro_whitelist" >> $config_host_mak if test "$xfs" = "yes" ; then echo "CONFIG_XFS=y" >> $config_host_mak fi qemu_version=$(head $source_path/VERSION) echo "PKGVERSION=$pkgversion" >>$config_host_mak echo "SRC_PATH=$source_path" >> $config_host_mak echo "TARGET_DIRS=$target_list" >> $config_host_mak if test "$modules" = "yes"; then # $shacmd can generate a hash started with digit, which the compiler doesn't # like as an symbol. So prefix it with an underscore echo "CONFIG_STAMP=_$( (echo $qemu_version; echo $pkgversion; cat $0) | $shacmd - | cut -f1 -d\ )" >> $config_host_mak echo "CONFIG_MODULES=y" >> $config_host_mak fi if test "$module_upgrades" = "yes"; then echo "CONFIG_MODULE_UPGRADES=y" >> $config_host_mak fi if test "$pipe2" = "yes" ; then echo "CONFIG_PIPE2=y" >> $config_host_mak fi if test "$accept4" = "yes" ; then echo "CONFIG_ACCEPT4=y" >> $config_host_mak fi if test "$splice" = "yes" ; then echo "CONFIG_SPLICE=y" >> $config_host_mak fi if test "$eventfd" = "yes" ; then echo "CONFIG_EVENTFD=y" >> $config_host_mak fi if test "$memfd" = "yes" ; then echo "CONFIG_MEMFD=y" >> $config_host_mak fi if test "$have_usbfs" = "yes" ; then echo "CONFIG_USBFS=y" >> $config_host_mak fi if test "$fallocate" = "yes" ; then echo "CONFIG_FALLOCATE=y" >> $config_host_mak fi if test "$fallocate_punch_hole" = "yes" ; then echo "CONFIG_FALLOCATE_PUNCH_HOLE=y" >> $config_host_mak fi if test "$fallocate_zero_range" = "yes" ; then echo "CONFIG_FALLOCATE_ZERO_RANGE=y" >> $config_host_mak fi if test "$posix_fallocate" = "yes" ; then echo "CONFIG_POSIX_FALLOCATE=y" >> $config_host_mak fi if test "$sync_file_range" = "yes" ; then echo "CONFIG_SYNC_FILE_RANGE=y" >> $config_host_mak fi if test "$fiemap" = "yes" ; then echo "CONFIG_FIEMAP=y" >> $config_host_mak fi if test "$dup3" = "yes" ; then echo "CONFIG_DUP3=y" >> $config_host_mak fi if test "$ppoll" = "yes" ; then echo "CONFIG_PPOLL=y" >> $config_host_mak fi if test "$prctl_pr_set_timerslack" = "yes" ; then echo "CONFIG_PRCTL_PR_SET_TIMERSLACK=y" >> $config_host_mak fi if test "$epoll" = "yes" ; then echo "CONFIG_EPOLL=y" >> $config_host_mak fi if test "$epoll_create1" = "yes" ; then echo "CONFIG_EPOLL_CREATE1=y" >> $config_host_mak fi if test "$sendfile" = "yes" ; then echo "CONFIG_SENDFILE=y" >> $config_host_mak fi if test "$timerfd" = "yes" ; then echo "CONFIG_TIMERFD=y" >> $config_host_mak fi if test "$setns" = "yes" ; then echo "CONFIG_SETNS=y" >> $config_host_mak fi if test "$clock_adjtime" = "yes" ; then echo "CONFIG_CLOCK_ADJTIME=y" >> $config_host_mak fi if test "$syncfs" = "yes" ; then echo "CONFIG_SYNCFS=y" >> $config_host_mak fi if test "$inotify" = "yes" ; then echo "CONFIG_INOTIFY=y" >> $config_host_mak fi if test "$inotify1" = "yes" ; then echo "CONFIG_INOTIFY1=y" >> $config_host_mak fi if test "$sem_timedwait" = "yes" ; then echo "CONFIG_SEM_TIMEDWAIT=y" >> $config_host_mak fi if test "$strchrnul" = "yes" ; then echo "HAVE_STRCHRNUL=y" >> $config_host_mak fi if test "$st_atim" = "yes" ; then echo "HAVE_STRUCT_STAT_ST_ATIM=y" >> $config_host_mak fi if test "$byteswap_h" = "yes" ; then echo "CONFIG_BYTESWAP_H=y" >> $config_host_mak fi if test "$bswap_h" = "yes" ; then echo "CONFIG_MACHINE_BSWAP_H=y" >> $config_host_mak fi if test "$gio" = "yes" ; then echo "CONFIG_GIO=y" >> $config_host_mak echo "GIO_CFLAGS=$gio_cflags" >> $config_host_mak echo "GIO_LIBS=$gio_libs" >> $config_host_mak fi if test "$gdbus_codegen" != "" ; then echo "GDBUS_CODEGEN=$gdbus_codegen" >> $config_host_mak fi echo "CONFIG_TLS_PRIORITY=\"$tls_priority\"" >> $config_host_mak if test "$gnutls" = "yes" ; then echo "CONFIG_GNUTLS=y" >> $config_host_mak echo "GNUTLS_CFLAGS=$gnutls_cflags" >> $config_host_mak echo "GNUTLS_LIBS=$gnutls_libs" >> $config_host_mak fi if test "$gcrypt" = "yes" ; then echo "CONFIG_GCRYPT=y" >> $config_host_mak echo "GCRYPT_CFLAGS=$gcrypt_cflags" >> $config_host_mak echo "GCRYPT_LIBS=$gcrypt_libs" >> $config_host_mak fi if test "$nettle" = "yes" ; then echo "CONFIG_NETTLE=y" >> $config_host_mak echo "NETTLE_CFLAGS=$nettle_cflags" >> $config_host_mak echo "NETTLE_LIBS=$nettle_libs" >> $config_host_mak fi if test "$qemu_private_xts" = "yes" ; then echo "CONFIG_QEMU_PRIVATE_XTS=y" >> $config_host_mak fi if test "$tasn1" = "yes" ; then echo "CONFIG_TASN1=y" >> $config_host_mak fi if test "$auth_pam" = "yes" ; then echo "CONFIG_AUTH_PAM=y" >> $config_host_mak fi if test "$have_broken_size_max" = "yes" ; then echo "HAVE_BROKEN_SIZE_MAX=y" >> $config_host_mak fi if test "$have_openpty" = "yes" ; then echo "HAVE_OPENPTY=y" >> $config_host_mak fi # Work around a system header bug with some kernel/XFS header # versions where they both try to define 'struct fsxattr': # xfs headers will not try to redefine structs from linux headers # if this macro is set. if test "$have_fsxattr" = "yes" ; then echo "HAVE_FSXATTR=y" >> $config_host_mak fi if test "$have_copy_file_range" = "yes" ; then echo "HAVE_COPY_FILE_RANGE=y" >> $config_host_mak fi if test "$vte" = "yes" ; then echo "CONFIG_VTE=y" >> $config_host_mak echo "VTE_CFLAGS=$vte_cflags" >> $config_host_mak echo "VTE_LIBS=$vte_libs" >> $config_host_mak fi if test "$virglrenderer" = "yes" ; then echo "CONFIG_VIRGL=y" >> $config_host_mak echo "VIRGL_CFLAGS=$virgl_cflags" >> $config_host_mak echo "VIRGL_LIBS=$virgl_libs" >> $config_host_mak fi if test "$xen" = "enabled" ; then echo "CONFIG_XEN_BACKEND=y" >> $config_host_mak echo "CONFIG_XEN_CTRL_INTERFACE_VERSION=$xen_ctrl_version" >> $config_host_mak echo "XEN_CFLAGS=$xen_cflags" >> $config_host_mak echo "XEN_LIBS=$xen_libs" >> $config_host_mak fi if test "$linux_aio" = "yes" ; then echo "CONFIG_LINUX_AIO=y" >> $config_host_mak fi if test "$linux_io_uring" = "yes" ; then echo "CONFIG_LINUX_IO_URING=y" >> $config_host_mak echo "LINUX_IO_URING_CFLAGS=$linux_io_uring_cflags" >> $config_host_mak echo "LINUX_IO_URING_LIBS=$linux_io_uring_libs" >> $config_host_mak fi if test "$vhost_scsi" = "yes" ; then echo "CONFIG_VHOST_SCSI=y" >> $config_host_mak fi if test "$vhost_net" = "yes" ; then echo "CONFIG_VHOST_NET=y" >> $config_host_mak fi if test "$vhost_net_user" = "yes" ; then echo "CONFIG_VHOST_NET_USER=y" >> $config_host_mak fi if test "$vhost_net_vdpa" = "yes" ; then echo "CONFIG_VHOST_NET_VDPA=y" >> $config_host_mak fi if test "$vhost_crypto" = "yes" ; then echo "CONFIG_VHOST_CRYPTO=y" >> $config_host_mak fi if test "$vhost_vsock" = "yes" ; then echo "CONFIG_VHOST_VSOCK=y" >> $config_host_mak if test "$vhost_user" = "yes" ; then echo "CONFIG_VHOST_USER_VSOCK=y" >> $config_host_mak fi fi if test "$vhost_kernel" = "yes" ; then echo "CONFIG_VHOST_KERNEL=y" >> $config_host_mak fi if test "$vhost_user" = "yes" ; then echo "CONFIG_VHOST_USER=y" >> $config_host_mak fi if test "$vhost_vdpa" = "yes" ; then echo "CONFIG_VHOST_VDPA=y" >> $config_host_mak fi if test "$vhost_user_fs" = "yes" ; then echo "CONFIG_VHOST_USER_FS=y" >> $config_host_mak fi if test "$iovec" = "yes" ; then echo "CONFIG_IOVEC=y" >> $config_host_mak fi if test "$membarrier" = "yes" ; then echo "CONFIG_MEMBARRIER=y" >> $config_host_mak fi if test "$signalfd" = "yes" ; then echo "CONFIG_SIGNALFD=y" >> $config_host_mak fi if test "$optreset" = "yes" ; then echo "HAVE_OPTRESET=y" >> $config_host_mak fi if test "$fdatasync" = "yes" ; then echo "CONFIG_FDATASYNC=y" >> $config_host_mak fi if test "$madvise" = "yes" ; then echo "CONFIG_MADVISE=y" >> $config_host_mak fi if test "$posix_madvise" = "yes" ; then echo "CONFIG_POSIX_MADVISE=y" >> $config_host_mak fi if test "$posix_memalign" = "yes" ; then echo "CONFIG_POSIX_MEMALIGN=y" >> $config_host_mak fi if test "$spice_protocol" = "yes" ; then echo "CONFIG_SPICE_PROTOCOL=y" >> $config_host_mak echo "SPICE_PROTOCOL_CFLAGS=$spice_protocol_cflags" >> $config_host_mak fi if test "$spice" = "yes" ; then echo "CONFIG_SPICE=y" >> $config_host_mak echo "SPICE_CFLAGS=$spice_cflags $spice_protocol_cflags" >> $config_host_mak echo "SPICE_LIBS=$spice_libs" >> $config_host_mak fi if test "$smartcard" = "yes" ; then echo "CONFIG_SMARTCARD=y" >> $config_host_mak echo "SMARTCARD_CFLAGS=$libcacard_cflags" >> $config_host_mak echo "SMARTCARD_LIBS=$libcacard_libs" >> $config_host_mak fi if test "$libusb" = "yes" ; then echo "CONFIG_USB_LIBUSB=y" >> $config_host_mak echo "LIBUSB_CFLAGS=$libusb_cflags" >> $config_host_mak echo "LIBUSB_LIBS=$libusb_libs" >> $config_host_mak fi if test "$usb_redir" = "yes" ; then echo "CONFIG_USB_REDIR=y" >> $config_host_mak echo "USB_REDIR_CFLAGS=$usb_redir_cflags" >> $config_host_mak echo "USB_REDIR_LIBS=$usb_redir_libs" >> $config_host_mak fi if test "$opengl" = "yes" ; then echo "CONFIG_OPENGL=y" >> $config_host_mak echo "OPENGL_CFLAGS=$opengl_cflags" >> $config_host_mak echo "OPENGL_LIBS=$opengl_libs" >> $config_host_mak fi if test "$gbm" = "yes" ; then echo "CONFIG_GBM=y" >> $config_host_mak echo "GBM_LIBS=$gbm_libs" >> $config_host_mak echo "GBM_CFLAGS=$gbm_cflags" >> $config_host_mak fi if test "$avx2_opt" = "yes" ; then echo "CONFIG_AVX2_OPT=y" >> $config_host_mak fi if test "$avx512f_opt" = "yes" ; then echo "CONFIG_AVX512F_OPT=y" >> $config_host_mak fi # XXX: suppress that if [ "$bsd" = "yes" ] ; then echo "CONFIG_BSD=y" >> $config_host_mak fi if test "$qom_cast_debug" = "yes" ; then echo "CONFIG_QOM_CAST_DEBUG=y" >> $config_host_mak fi echo "CONFIG_COROUTINE_BACKEND=$coroutine" >> $config_host_mak if test "$coroutine_pool" = "yes" ; then echo "CONFIG_COROUTINE_POOL=1" >> $config_host_mak else echo "CONFIG_COROUTINE_POOL=0" >> $config_host_mak fi if test "$debug_stack_usage" = "yes" ; then echo "CONFIG_DEBUG_STACK_USAGE=y" >> $config_host_mak fi if test "$crypto_afalg" = "yes" ; then echo "CONFIG_AF_ALG=y" >> $config_host_mak fi if test "$open_by_handle_at" = "yes" ; then echo "CONFIG_OPEN_BY_HANDLE=y" >> $config_host_mak fi if test "$linux_magic_h" = "yes" ; then echo "CONFIG_LINUX_MAGIC_H=y" >> $config_host_mak fi if test "$valgrind_h" = "yes" ; then echo "CONFIG_VALGRIND_H=y" >> $config_host_mak fi if test "$have_asan_iface_fiber" = "yes" ; then echo "CONFIG_ASAN_IFACE_FIBER=y" >> $config_host_mak fi if test "$have_tsan" = "yes" && test "$have_tsan_iface_fiber" = "yes" ; then echo "CONFIG_TSAN=y" >> $config_host_mak fi if test "$has_environ" = "yes" ; then echo "CONFIG_HAS_ENVIRON=y" >> $config_host_mak fi if test "$cpuid_h" = "yes" ; then echo "CONFIG_CPUID_H=y" >> $config_host_mak fi if test "$int128" = "yes" ; then echo "CONFIG_INT128=y" >> $config_host_mak fi if test "$atomic128" = "yes" ; then echo "CONFIG_ATOMIC128=y" >> $config_host_mak fi if test "$cmpxchg128" = "yes" ; then echo "CONFIG_CMPXCHG128=y" >> $config_host_mak fi if test "$atomic64" = "yes" ; then echo "CONFIG_ATOMIC64=y" >> $config_host_mak fi if test "$getauxval" = "yes" ; then echo "CONFIG_GETAUXVAL=y" >> $config_host_mak fi if test "$libssh" = "yes" ; then echo "CONFIG_LIBSSH=y" >> $config_host_mak echo "LIBSSH_CFLAGS=$libssh_cflags" >> $config_host_mak echo "LIBSSH_LIBS=$libssh_libs" >> $config_host_mak fi if test "$live_block_migration" = "yes" ; then echo "CONFIG_LIVE_BLOCK_MIGRATION=y" >> $config_host_mak fi if test "$tpm" = "yes"; then echo 'CONFIG_TPM=y' >> $config_host_mak fi echo "TRACE_BACKENDS=$trace_backends" >> $config_host_mak if have_backend "nop"; then echo "CONFIG_TRACE_NOP=y" >> $config_host_mak fi if have_backend "simple"; then echo "CONFIG_TRACE_SIMPLE=y" >> $config_host_mak # Set the appropriate trace file. trace_file="\"$trace_file-\" FMT_pid" fi if have_backend "log"; then echo "CONFIG_TRACE_LOG=y" >> $config_host_mak fi if have_backend "ust"; then echo "CONFIG_TRACE_UST=y" >> $config_host_mak echo "LTTNG_UST_LIBS=$lttng_ust_libs" >> $config_host_mak echo "URCU_BP_LIBS=$urcu_bp_libs" >> $config_host_mak fi if have_backend "dtrace"; then echo "CONFIG_TRACE_DTRACE=y" >> $config_host_mak if test "$trace_backend_stap" = "yes" ; then echo "CONFIG_TRACE_SYSTEMTAP=y" >> $config_host_mak fi fi if have_backend "ftrace"; then if test "$linux" = "yes" ; then echo "CONFIG_TRACE_FTRACE=y" >> $config_host_mak else feature_not_found "ftrace(trace backend)" "ftrace requires Linux" fi fi if have_backend "syslog"; then if test "$posix_syslog" = "yes" ; then echo "CONFIG_TRACE_SYSLOG=y" >> $config_host_mak else feature_not_found "syslog(trace backend)" "syslog not available" fi fi echo "CONFIG_TRACE_FILE=$trace_file" >> $config_host_mak if test "$rdma" = "yes" ; then echo "CONFIG_RDMA=y" >> $config_host_mak echo "RDMA_LIBS=$rdma_libs" >> $config_host_mak fi if test "$pvrdma" = "yes" ; then echo "CONFIG_PVRDMA=y" >> $config_host_mak fi if test "$have_rtnetlink" = "yes" ; then echo "CONFIG_RTNETLINK=y" >> $config_host_mak fi if test "$libxml2" = "yes" ; then echo "CONFIG_LIBXML2=y" >> $config_host_mak echo "LIBXML2_CFLAGS=$libxml2_cflags" >> $config_host_mak echo "LIBXML2_LIBS=$libxml2_libs" >> $config_host_mak fi if test "$replication" = "yes" ; then echo "CONFIG_REPLICATION=y" >> $config_host_mak fi if test "$have_af_vsock" = "yes" ; then echo "CONFIG_AF_VSOCK=y" >> $config_host_mak fi if test "$have_sysmacros" = "yes" ; then echo "CONFIG_SYSMACROS=y" >> $config_host_mak fi if test "$have_static_assert" = "yes" ; then echo "CONFIG_STATIC_ASSERT=y" >> $config_host_mak fi if test "$have_utmpx" = "yes" ; then echo "HAVE_UTMPX=y" >> $config_host_mak fi if test "$have_getrandom" = "yes" ; then echo "CONFIG_GETRANDOM=y" >> $config_host_mak fi if test "$ivshmem" = "yes" ; then echo "CONFIG_IVSHMEM=y" >> $config_host_mak fi if test "$debug_mutex" = "yes" ; then echo "CONFIG_DEBUG_MUTEX=y" >> $config_host_mak fi # Hold two types of flag: # CONFIG_THREAD_SETNAME_BYTHREAD - we've got a way of setting the name on # a thread we have a handle to # CONFIG_PTHREAD_SETNAME_NP_W_TID - A way of doing it on a particular # platform if test "$pthread_setname_np_w_tid" = "yes" ; 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then echo "CONFIG_VVFAT=y" >> $config_host_mak fi if test "$qed" = "yes" ; then echo "CONFIG_QED=y" >> $config_host_mak fi if test "$parallels" = "yes" ; then echo "CONFIG_PARALLELS=y" >> $config_host_mak fi if test "$have_mlockall" = "yes" ; then echo "HAVE_MLOCKALL=y" >> $config_host_mak fi if test "$fuzzing" = "yes" ; then # If LIB_FUZZING_ENGINE is set, assume we are running on OSS-Fuzz, and the # needed CFLAGS have already been provided if test -z "${LIB_FUZZING_ENGINE+xxx}" ; then # Add CFLAGS to tell clang to add fuzzer-related instrumentation to all the # compiled code. 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This # will result in problems later if a new file matching the wildcard is # added to the source tree -- nothing will cause configure to be rerun # so the build tree will be missing the link back to the new file, and # tests might fail. Prefer to keep the relevant files in their own # directory and symlink the directory instead. # UNLINK is used to remove symlinks from older development versions # that might get into the way when doing "git update" without doing # a "make distclean" in between. DIRS="tests tests/tcg tests/qapi-schema tests/qtest/libqos" DIRS="$DIRS tests/qtest tests/qemu-iotests tests/vm tests/fp tests/qgraph" DIRS="$DIRS docs docs/interop fsdev scsi" DIRS="$DIRS pc-bios/optionrom pc-bios/s390-ccw" DIRS="$DIRS roms/seabios" DIRS="$DIRS contrib/plugins/" LINKS="Makefile" LINKS="$LINKS tests/tcg/Makefile.target" LINKS="$LINKS pc-bios/optionrom/Makefile" LINKS="$LINKS pc-bios/s390-ccw/Makefile" LINKS="$LINKS roms/seabios/Makefile" LINKS="$LINKS pc-bios/qemu-icon.bmp" LINKS="$LINKS .gdbinit scripts" # scripts needed by relative path in .gdbinit LINKS="$LINKS tests/acceptance tests/data" LINKS="$LINKS tests/qemu-iotests/check" LINKS="$LINKS python" LINKS="$LINKS contrib/plugins/Makefile " UNLINK="pc-bios/keymaps" for bios_file in \ $source_path/pc-bios/*.bin \ $source_path/pc-bios/*.elf \ $source_path/pc-bios/*.lid \ $source_path/pc-bios/*.rom \ $source_path/pc-bios/*.dtb \ $source_path/pc-bios/*.img \ $source_path/pc-bios/openbios-* \ $source_path/pc-bios/u-boot.* \ $source_path/pc-bios/edk2-*.fd.bz2 \ $source_path/pc-bios/palcode-* do LINKS="$LINKS pc-bios/$(basename $bios_file)" done mkdir -p $DIRS for f in $LINKS ; do if [ -e "$source_path/$f" ]; then symlink "$source_path/$f" "$f" fi done for f in $UNLINK ; do if [ -L "$f" ]; then rm -f "$f" fi done (for i in $cross_cc_vars; do export $i done export target_list source_path use_containers ARCH $source_path/tests/tcg/configure.sh) # temporary config to build submodules for rom in seabios; do config_mak=roms/$rom/config.mak echo "# Automatically generated by configure - do not modify" > $config_mak echo "SRC_PATH=$source_path/roms/$rom" >> $config_mak echo "AS=$as" >> $config_mak echo "CCAS=$ccas" >> $config_mak echo "CC=$cc" >> $config_mak echo "BCC=bcc" >> $config_mak echo "CPP=$cpp" >> $config_mak echo "OBJCOPY=objcopy" >> $config_mak echo "IASL=$iasl" >> $config_mak echo "LD=$ld" >> $config_mak echo "RANLIB=$ranlib" >> $config_mak done if test "$skip_meson" = no; then cross="config-meson.cross.new" meson_quote() { echo "'$(echo $* | sed "s/ /','/g")'" } echo "# Automatically generated by configure - do not modify" > $cross echo "[properties]" >> $cross test -z "$cxx" && echo "link_language = 'c'" >> $cross echo "[built-in options]" >> $cross echo "c_args = [${CFLAGS:+$(meson_quote $CFLAGS)}]" >> $cross echo "cpp_args = [${CXXFLAGS:+$(meson_quote $CXXFLAGS)}]" >> $cross echo "c_link_args = [${LDFLAGS:+$(meson_quote $LDFLAGS)}]" >> $cross echo "cpp_link_args = [${LDFLAGS:+$(meson_quote $LDFLAGS)}]" >> $cross echo "[binaries]" >> $cross echo "c = [$(meson_quote $cc)]" >> $cross test -n "$cxx" && echo "cpp = [$(meson_quote $cxx)]" >> $cross test -n "$objcc" && echo "objc = [$(meson_quote $objcc)]" >> $cross echo "ar = [$(meson_quote $ar)]" >> $cross echo "nm = [$(meson_quote $nm)]" >> $cross echo "pkgconfig = [$(meson_quote $pkg_config_exe)]" >> $cross echo "ranlib = [$(meson_quote $ranlib)]" >> $cross if has $sdl2_config; then echo "sdl2-config = [$(meson_quote $sdl2_config)]" >> $cross fi echo "strip = [$(meson_quote $strip)]" >> $cross echo "windres = [$(meson_quote $windres)]" >> $cross if test "$cross_compile" = "yes"; then cross_arg="--cross-file config-meson.cross" echo "[host_machine]" >> $cross if test "$mingw32" = "yes" ; then echo "system = 'windows'" >> $cross fi if test "$linux" = "yes" ; then echo "system = 'linux'" >> $cross fi if test "$darwin" = "yes" ; then echo "system = 'darwin'" >> $cross fi case "$ARCH" in i386) echo "cpu_family = 'x86'" >> $cross ;; x86_64|x32) echo "cpu_family = 'x86_64'" >> $cross ;; ppc64le) echo "cpu_family = 'ppc64'" >> $cross ;; *) echo "cpu_family = '$ARCH'" >> $cross ;; esac echo "cpu = '$cpu'" >> $cross if test "$bigendian" = "yes" ; then echo "endian = 'big'" >> $cross else echo "endian = 'little'" >> $cross fi else cross_arg="--native-file config-meson.cross" fi mv $cross config-meson.cross rm -rf meson-private meson-info meson-logs unset staticpic if ! version_ge "$($meson --version)" 0.56.0; then staticpic=$(if test "$pie" = yes; then echo true; else echo false; fi) fi NINJA=$ninja $meson setup \ --prefix "$prefix" \ --libdir "$libdir" \ --libexecdir "$libexecdir" \ --bindir "$bindir" \ --includedir "$includedir" \ --datadir "$datadir" \ --mandir "$mandir" \ --sysconfdir "$sysconfdir" \ --localedir "$localedir" \ --localstatedir "$local_statedir" \ -Ddocdir="$docdir" \ -Dqemu_firmwarepath="$firmwarepath" \ -Dqemu_suffix="$qemu_suffix" \ -Doptimization=$(if test "$debug" = yes; then echo 0; else echo 2; fi) \ -Ddebug=$(if test "$debug_info" = yes; then echo true; else echo false; fi) \ -Dwerror=$(if test "$werror" = yes; then echo true; else echo false; fi) \ -Dstrip=$(if test "$strip_opt" = yes; then echo true; else echo false; fi) \ -Db_pie=$(if test "$pie" = yes; then echo true; else echo false; fi) \ ${staticpic:+-Db_staticpic=$staticpic} \ -Db_coverage=$(if test "$gcov" = yes; then echo true; else echo false; fi) \ -Db_lto=$lto -Dcfi=$cfi -Dcfi_debug=$cfi_debug \ -Dmalloc=$malloc -Dmalloc_trim=$malloc_trim -Dsparse=$sparse \ -Dkvm=$kvm -Dhax=$hax -Dwhpx=$whpx -Dhvf=$hvf -Dnvmm=$nvmm \ -Dxen=$xen -Dxen_pci_passthrough=$xen_pci_passthrough -Dtcg=$tcg \ -Dcocoa=$cocoa -Dgtk=$gtk -Dmpath=$mpath -Dsdl=$sdl -Dsdl_image=$sdl_image \ -Dvnc=$vnc -Dvnc_sasl=$vnc_sasl -Dvnc_jpeg=$vnc_jpeg -Dvnc_png=$vnc_png \ -Dgettext=$gettext -Dxkbcommon=$xkbcommon -Du2f=$u2f -Dvirtiofsd=$virtiofsd \ -Dcapstone=$capstone -Dslirp=$slirp -Dfdt=$fdt -Dbrlapi=$brlapi \ -Dcurl=$curl -Dglusterfs=$glusterfs -Dbzip2=$bzip2 -Dlibiscsi=$libiscsi \ -Dlibnfs=$libnfs -Diconv=$iconv -Dcurses=$curses -Dlibudev=$libudev\ -Drbd=$rbd -Dlzo=$lzo -Dsnappy=$snappy -Dlzfse=$lzfse \ -Dzstd=$zstd -Dseccomp=$seccomp -Dvirtfs=$virtfs -Dcap_ng=$cap_ng \ -Dattr=$attr -Ddefault_devices=$default_devices \ -Ddocs=$docs -Dsphinx_build=$sphinx_build -Dinstall_blobs=$blobs \ -Dvhost_user_blk_server=$vhost_user_blk_server -Dmultiprocess=$multiprocess \ -Dfuse=$fuse -Dfuse_lseek=$fuse_lseek -Dguest_agent_msi=$guest_agent_msi -Dbpf=$bpf\ $(if test "$default_features" = no; then echo "-Dauto_features=disabled"; fi) \ -Dtcg_interpreter=$tcg_interpreter \ $cross_arg \ "$PWD" "$source_path" if test "$?" -ne 0 ; then error_exit "meson setup failed" fi else if test -f meson-private/cmd_line.txt; then # Adjust old command line options whose type was changed # Avoids having to use "setup --wipe" when Meson is upgraded perl -i -ne ' s/^gettext = true$/gettext = auto/; s/^gettext = false$/gettext = disabled/; print;' meson-private/cmd_line.txt fi fi if test -n "${deprecated_features}"; then echo "Warning, deprecated features enabled." echo "Please see docs/system/deprecated.rst" echo " features: ${deprecated_features}" fi # Create list of config switches that should be poisoned in common code... # but filter out CONFIG_TCG and CONFIG_USER_ONLY which are special. target_configs_h=$(ls *-config-devices.h *-config-target.h 2>/dev/null) if test -n "$target_configs_h" ; then sed -n -e '/CONFIG_TCG/d' -e '/CONFIG_USER_ONLY/d' \ -e '/^#define / { s///; s/ .*//; s/^/#pragma GCC poison /p; }' \ $target_configs_h | sort -u > config-poison.h else :> config-poison.h fi # Save the configure command line for later reuse. cat <config.status #!/bin/sh # Generated by configure. # Run this file to recreate the current configuration. # Compiler output produced by configure, useful for debugging # configure, is in config.log if it exists. EOD preserve_env() { envname=$1 eval envval=\$$envname if test -n "$envval" then echo "$envname='$envval'" >> config.status echo "export $envname" >> config.status else echo "unset $envname" >> config.status fi } # Preserve various env variables that influence what # features/build target configure will detect preserve_env AR preserve_env AS preserve_env CC preserve_env CPP preserve_env CXX preserve_env INSTALL preserve_env LD preserve_env LD_LIBRARY_PATH preserve_env LIBTOOL preserve_env MAKE preserve_env NM preserve_env OBJCOPY preserve_env PATH preserve_env PKG_CONFIG preserve_env PKG_CONFIG_LIBDIR preserve_env PKG_CONFIG_PATH preserve_env PYTHON preserve_env SDL2_CONFIG preserve_env SMBD preserve_env STRIP preserve_env WINDRES printf "exec" >>config.status for i in "$0" "$@"; do test "$i" = --skip-meson || printf " %s" "$(quote_sh "$i")" >>config.status done echo ' "$@"' >>config.status chmod +x config.status rm -r "$TMPDIR1"