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|
#!/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="$default_feature"
linux_io_uring="auto"
cap_ng="auto"
attr="auto"
xfs="$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="auto"
u2f="auto"
libusb="auto"
usb_redir="auto"
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="auto"
nettle="auto"
gcrypt="auto"
auth_pam="auto"
vte="auto"
virglrenderer="auto"
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=${default_feature:-yes}
libxml2="auto"
debug_mutex="no"
libpmem="auto"
default_devices="true"
plugins="no"
fuzzing="no"
rng_none="no"
secret_keyring="$default_feature"
libdaxctl="auto"
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}"
# 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 <<EOF
#if !defined($1)
#error $1 not defined
#endif
int main(void) { return 0; }
EOF
compile_object
}
check_include() {
cat > $TMPC <<EOF
#include <$1>
int main(void) { return 0; }
EOF
compile_object
}
write_c_skeleton() {
cat > $TMPC <<EOF
int main(void) { return 0; }
EOF
}
write_c_fuzzer_skeleton() {
cat > $TMPC <<EOF
#include <stdint.h>
#include <sys/types.h>
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="$optarg"
;;
--with-default-devices) default_devices="true"
;;
--without-default-devices) default_devices="false"
;;
--with-devices-*[!a-zA-Z0-9_-]*=*) error_exit "Passed bad --with-devices-FOO option"
;;
--with-devices-*) device_arch=${opt#--with-devices-};
device_arch=${device_arch%%=*}
cf=$source_path/configs/devices/$device_arch-softmmu/$optarg.mak
if test -f "$cf"; then
device_archs="$device_archs $device_arch"
eval "devices_${device_arch}=\$optarg"
else
error_exit "File $cf does not exist"
fi
;;
--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="disabled"
;;
--enable-linux-io-uring) linux_io_uring="enabled"
;;
--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="disabled"
;;
--enable-smartcard) smartcard="enabled"
;;
--disable-u2f) u2f="disabled"
;;
--enable-u2f) u2f="enabled"
;;
--disable-libusb) libusb="disabled"
;;
--enable-libusb) libusb="enabled"
;;
--disable-usb-redir) usb_redir="disabled"
;;
--enable-usb-redir) usb_redir="enabled"
;;
--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="disabled"
;;
--enable-gnutls) gnutls="enabled"
;;
--disable-nettle) nettle="disabled"
;;
--enable-nettle) nettle="enabled"
;;
--disable-gcrypt) gcrypt="disabled"
;;
--enable-gcrypt) gcrypt="enabled"
;;
--disable-auth-pam) auth_pam="disabled"
;;
--enable-auth-pam) auth_pam="enabled"
;;
--enable-rdma) rdma="yes"
;;
--disable-rdma) rdma="no"
;;
--enable-pvrdma) pvrdma="yes"
;;
--disable-pvrdma) pvrdma="no"
;;
--disable-vte) vte="disabled"
;;
--enable-vte) vte="enabled"
;;
--disable-virglrenderer) virglrenderer="disabled"
;;
--enable-virglrenderer) virglrenderer="enabled"
;;
--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="disabled"
;;
--enable-libxml2) libxml2="enabled"
;;
--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="enabled"
;;
--disable-libpmem) libpmem="disabled"
;;
--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="enabled"
;;
--disable-libdaxctl) libdaxctl="disabled"
;;
--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} $source_path/configs/targets/*-softmmu.mak"
fi
if [ "$linux_user" = "yes" ]; then
mak_wilds="${mak_wilds} $source_path/configs/targets/*-linux-user.mak"
fi
if [ "$bsd_user" = "yes" ]; then
mak_wilds="${mak_wilds} $source_path/configs/targets/*-bsd-user.mak"
fi
# If the user doesn't explicitly specify a deprecated target we will
# skip it.
if test -z "$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 configs/devices/)
--with-devices-ARCH=NAME override 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: $trace_backend_list
--with-trace-file=NAME Full PATH,NAME of file to store traces
Default:trace-<pid>
--disable-slirp disable SLIRP userspace network connectivity
--enable-tcg-interpreter enable TCI (TCG with bytecode interpreter, experimental and slow)
--enable-malloc-trim enable libc malloc_trim() for memory optimization
--oss-lib path to OSS library
--cpu=CPU Build for host CPU [$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
##########################################
# L2TPV3 probe
cat > $TMPC <<EOF
#include <sys/socket.h>
#include <linux/ip.h>
int main(void) { return sizeof(struct mmsghdr); }
EOF
if compile_prog "" "" ; then
l2tpv3=yes
else
l2tpv3=no
fi
cat > $TMPC <<EOF
#include <sys/mman.h>
int main(int argc, char *argv[]) {
return mlockall(MCL_FUTURE);
}
EOF
if compile_prog "" "" ; then
have_mlockall=yes
else
have_mlockall=no
fi
#########################################
# vhost interdependencies and host support
# vhost backends
if test "$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 > $TMPC <<EOF
#include <sched.h>
#include <linux/futex.h>
int main(void) {
#if !defined(CLONE_SETTLS) || !defined(FUTEX_WAIT)
#error bork
#endif
return 0;
}
EOF
if ! compile_object ; then
feature_not_found "nptl" "Install glibc and linux kernel headers."
fi
fi
##########################################
# xen probe
if test "$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 > $TMPC <<EOF
#include <xenctrl.h>
int main(void) {
return 0;
}
EOF
if ! compile_prog "" "$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 > $TMPC <<EOF &&
#undef XC_WANT_COMPAT_DEVICEMODEL_API
#define __XEN_TOOLS__
#include <xendevicemodel.h>
#include <xenforeignmemory.h>
int main(void) {
xendevicemodel_handle *xd;
xenforeignmemory_handle *xfmem;
xd = xendevicemodel_open(0, 0);
xendevicemodel_pin_memory_cacheattr(xd, 0, 0, 0, 0);
xfmem = xenforeignmemory_open(0, 0);
xenforeignmemory_map_resource(xfmem, 0, 0, 0, 0, 0, NULL, 0, 0);
return 0;
}
EOF
compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs -lxentoolcore"
then
xen_stable_libs="-lxendevicemodel $xen_stable_libs -lxentoolcore"
xen_ctrl_version=41100
xen=enabled
elif
cat > $TMPC <<EOF &&
#undef XC_WANT_COMPAT_MAP_FOREIGN_API
#include <xenforeignmemory.h>
#include <xentoolcore.h>
int main(void) {
xenforeignmemory_handle *xfmem;
xfmem = xenforeignmemory_open(0, 0);
xenforeignmemory_map2(xfmem, 0, 0, 0, 0, 0, 0, 0);
xentoolcore_restrict_all(0);
return 0;
}
EOF
compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs -lxentoolcore"
then
xen_stable_libs="-lxendevicemodel $xen_stable_libs -lxentoolcore"
xen_ctrl_version=41000
xen=enabled
elif
cat > $TMPC <<EOF &&
#undef XC_WANT_COMPAT_DEVICEMODEL_API
#define __XEN_TOOLS__
#include <xendevicemodel.h>
int main(void) {
xendevicemodel_handle *xd;
xd = xendevicemodel_open(0, 0);
xendevicemodel_close(xd);
return 0;
}
EOF
compile_prog "" "$xen_libs -lxendevicemodel $xen_stable_libs"
then
xen_stable_libs="-lxendevicemodel $xen_stable_libs"
xen_ctrl_version=40900
xen=enabled
elif
cat > $TMPC <<EOF &&
/*
* If we have stable libs the we don't want the libxc compat
* layers, regardless of what CFLAGS we may have been given.
*
* Also, check if xengnttab_grant_copy_segment_t is defined and
* grant copy operation is implemented.
*/
#undef XC_WANT_COMPAT_EVTCHN_API
#undef XC_WANT_COMPAT_GNTTAB_API
#undef XC_WANT_COMPAT_MAP_FOREIGN_API
#include <xenctrl.h>
#include <xenstore.h>
#include <xenevtchn.h>
#include <xengnttab.h>
#include <xenforeignmemory.h>
#include <stdint.h>
#include <xen/hvm/hvm_info_table.h>
#if !defined(HVM_MAX_VCPUS)
# error HVM_MAX_VCPUS not defined
#endif
int main(void) {
xc_interface *xc = NULL;
xenforeignmemory_handle *xfmem;
xenevtchn_handle *xe;
xengnttab_handle *xg;
xengnttab_grant_copy_segment_t* seg = NULL;
xs_daemon_open();
xc = xc_interface_open(0, 0, 0);
xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
xfmem = xenforeignmemory_open(0, 0);
xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
xe = xenevtchn_open(0, 0);
xenevtchn_fd(xe);
xg = xengnttab_open(0, 0);
xengnttab_grant_copy(xg, 0, seg);
return 0;
}
EOF
compile_prog "" "$xen_libs $xen_stable_libs"
then
xen_ctrl_version=40800
xen=enabled
elif
cat > $TMPC <<EOF &&
/*
* If we have stable libs the we don't want the libxc compat
* layers, regardless of what CFLAGS we may have been given.
*/
#undef XC_WANT_COMPAT_EVTCHN_API
#undef XC_WANT_COMPAT_GNTTAB_API
#undef XC_WANT_COMPAT_MAP_FOREIGN_API
#include <xenctrl.h>
#include <xenstore.h>
#include <xenevtchn.h>
#include <xengnttab.h>
#include <xenforeignmemory.h>
#include <stdint.h>
#include <xen/hvm/hvm_info_table.h>
#if !defined(HVM_MAX_VCPUS)
# error HVM_MAX_VCPUS not defined
#endif
int main(void) {
xc_interface *xc = NULL;
xenforeignmemory_handle *xfmem;
xenevtchn_handle *xe;
xengnttab_handle *xg;
xs_daemon_open();
xc = xc_interface_open(0, 0, 0);
xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
xfmem = xenforeignmemory_open(0, 0);
xenforeignmemory_map(xfmem, 0, 0, 0, 0, 0);
xe = xenevtchn_open(0, 0);
xenevtchn_fd(xe);
xg = xengnttab_open(0, 0);
xengnttab_map_grant_ref(xg, 0, 0, 0);
return 0;
}
EOF
compile_prog "" "$xen_libs $xen_stable_libs"
then
xen_ctrl_version=40701
xen=enabled
# Xen 4.6
elif
cat > $TMPC <<EOF &&
#include <xenctrl.h>
#include <xenstore.h>
#include <stdint.h>
#include <xen/hvm/hvm_info_table.h>
#if !defined(HVM_MAX_VCPUS)
# error HVM_MAX_VCPUS not defined
#endif
int main(void) {
xc_interface *xc;
xs_daemon_open();
xc = xc_interface_open(0, 0, 0);
xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
xc_gnttab_open(NULL, 0);
xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
xc_hvm_create_ioreq_server(xc, 0, HVM_IOREQSRV_BUFIOREQ_ATOMIC, NULL);
xc_reserved_device_memory_map(xc, 0, 0, 0, 0, NULL, 0);
return 0;
}
EOF
compile_prog "" "$xen_libs"
then
xen_ctrl_version=40600
xen=enabled
# Xen 4.5
elif
cat > $TMPC <<EOF &&
#include <xenctrl.h>
#include <xenstore.h>
#include <stdint.h>
#include <xen/hvm/hvm_info_table.h>
#if !defined(HVM_MAX_VCPUS)
# error HVM_MAX_VCPUS not defined
#endif
int main(void) {
xc_interface *xc;
xs_daemon_open();
xc = xc_interface_open(0, 0, 0);
xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
xc_gnttab_open(NULL, 0);
xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
xc_hvm_create_ioreq_server(xc, 0, 0, NULL);
return 0;
}
EOF
compile_prog "" "$xen_libs"
then
xen_ctrl_version=40500
xen=enabled
elif
cat > $TMPC <<EOF &&
#include <xenctrl.h>
#include <xenstore.h>
#include <stdint.h>
#include <xen/hvm/hvm_info_table.h>
#if !defined(HVM_MAX_VCPUS)
# error HVM_MAX_VCPUS not defined
#endif
int main(void) {
xc_interface *xc;
xs_daemon_open();
xc = xc_interface_open(0, 0, 0);
xc_hvm_set_mem_type(0, 0, HVMMEM_ram_ro, 0, 0);
xc_gnttab_open(NULL, 0);
xc_domain_add_to_physmap(0, 0, XENMAPSPACE_gmfn, 0, 0);
xc_hvm_inject_msi(xc, 0, 0xf0000000, 0x00000000);
return 0;
}
EOF
compile_prog "" "$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 $xen_stable_libs "
fi
fi
fi
fi
##########################################
# RDMA needs OpenFabrics libraries
if test "$rdma" != "no" ; then
cat > $TMPC <<EOF
#include <rdma/rdma_cma.h>
int main(void) { return 0; }
EOF
rdma_libs="-lrdmacm -libverbs -libumad"
if compile_prog "" "$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 > $TMPC <<EOF &&
#include <sys/mman.h>
int
main(void)
{
char buf = 0;
void *addr = &buf;
addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
return 0;
}
EOF
if test "$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 > $TMPC <<EOF &&
#include <infiniband/verbs.h>
int
main(void)
{
struct ibv_mr *mr;
struct ibv_pd *pd = NULL;
size_t length = 10;
uint64_t iova = 0;
int access = 0;
void *addr = NULL;
mr = ibv_reg_mr_iova(pd, addr, length, iova, access);
ibv_dereg_mr(mr);
return 0;
}
EOF
if ! compile_prog "" "-libverbs"; then
QEMU_CFLAGS="$QEMU_CFLAGS -DLEGACY_RDMA_REG_MR"
fi
fi
##########################################
# xfsctl() probe, used for file-posix.c
if test "$xfs" != "no" ; then
cat > $TMPC << EOF
#include <stddef.h> /* NULL */
#include <xfs/xfs.h>
int main(void)
{
xfsctl(NULL, 0, 0, NULL);
return 0;
}
EOF
if compile_prog "" "" ; then
xfs="yes"
else
if test "$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 > $TMPC << EOF
#include <libvdeplug.h>
int main(void)
{
struct vde_open_args a = {0, 0, 0};
char s[] = "";
vde_open(s, s, &a);
return 0;
}
EOF
if compile_prog "" "$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 > $TMPC << EOF
#include <inttypes.h>
#include <net/if.h>
#include <net/netmap.h>
#include <net/netmap_user.h>
#if (NETMAP_API < 11) || (NETMAP_API > 15)
#error
#endif
int main(void) { return 0; }
EOF
if compile_prog "" "" ; then
netmap=yes
else
if test "$netmap" = "yes" ; then
feature_not_found "netmap"
fi
netmap=no
fi
fi
##########################################
# detect CoreAudio
if test "$coreaudio" != "no" ; then
coreaudio_libs="-framework CoreAudio"
cat > $TMPC << EOF
#include <CoreAudio/CoreAudio.h>
int main(void)
{
return (int)AudioGetCurrentHostTime();
}
EOF
if compile_prog "" "$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 > $TMPC <<EOF
#include <gio/gio.h>
int main(void)
{
g_dbus_proxy_new_sync(0, 0, 0, 0, 0, 0, 0, 0);
return 0;
}
EOF
if compile_prog "$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 > $TMPC <<EOF
#include <glib.h>
#include <unistd.h>
#define QEMU_BUILD_BUG_ON(x) \
typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused));
int main(void) {
QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T);
return 0;
}
EOF
if ! compile_prog "$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 > $TMPC << EOF
#include <glib.h>
int main(void) { return 0; }
EOF
if ! compile_prog "$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 > $TMPC << EOF
#include <glib.h>
typedef struct Foo {
int i;
} Foo;
static void foo_free(Foo *f)
{
g_free(f);
}
G_DEFINE_AUTOPTR_CLEANUP_FUNC(Foo, foo_free);
int main(void) { return 0; }
EOF
if ! compile_prog "$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 <pthread.h>
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 > $TMPC << EOF
#include <pthread.h>
static void *f(void *p) { return NULL; }
int main(void)
{
pthread_t thread;
pthread_create(&thread, 0, f, 0);
pthread_setname_np(thread, "QEMU");
return 0;
}
EOF
if compile_prog "" "$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 > $TMPC << EOF
#include <pthread.h>
static void *f(void *p) { pthread_setname_np("QEMU"); return NULL; }
int main(void)
{
pthread_t thread;
pthread_create(&thread, 0, f, 0);
return 0;
}
EOF
if compile_prog "" "$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 > $TMPC <<EOF
#include <libaio.h>
#include <sys/eventfd.h>
#include <stddef.h>
int main(void) { io_setup(0, NULL); io_set_eventfd(NULL, 0); eventfd(0, 0); return 0; }
EOF
if compile_prog "" "-laio" ; then
linux_aio=yes
else
if test "$linux_aio" = "yes" ; then
feature_not_found "linux AIO" "Install libaio devel"
fi
linux_aio=no
fi
fi
##########################################
# 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 > $TMPC <<EOF
#include <sys/types.h>
#include <sys/uio.h>
#include <unistd.h>
int main(void) { return sizeof(struct iovec); }
EOF
iovec=no
if compile_prog "" "" ; then
iovec=yes
fi
##########################################
# fdt probe
case "$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 > $TMPC << EOF
#include <epoxy/egl.h>
int main(void) { return 0; }
EOF
if compile_prog "" "" ; then
epoxy=yes
fi
fi
if test "$epoxy" = "yes" ; then
opengl_cflags="$($pkg_config --cflags epoxy)"
opengl_libs="$($pkg_config --libs epoxy)"
opengl=yes
else
if test "$opengl" = "yes" ; then
feature_not_found "opengl" "Please install epoxy with EGL"
fi
opengl_cflags=""
opengl_libs=""
opengl=no
fi
fi
##########################################
# libnuma probe
if test "$numa" != "no" ; then
cat > $TMPC << EOF
#include <numa.h>
int main(void) { return numa_available(); }
EOF
if compile_prog "" "-lnuma" ; then
numa=yes
numa_libs="-lnuma"
else
if test "$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
# check for usbfs
have_usbfs=no
if test "$linux_user" = "yes"; then
cat > $TMPC << EOF
#include <linux/usbdevice_fs.h>
#ifndef USBDEVFS_GET_CAPABILITIES
#error "USBDEVFS_GET_CAPABILITIES undefined"
#endif
#ifndef USBDEVFS_DISCONNECT_CLAIM
#error "USBDEVFS_DISCONNECT_CLAIM undefined"
#endif
int main(void)
{
return 0;
}
EOF
if compile_prog "" ""; then
have_usbfs=yes
fi
fi
##########################################
# spice probe
if test "$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 > $TMPC << EOF
#include <spice.h>
int main(void) { spice_server_new(); return 0; }
EOF
spice_cflags=$($pkg_config --cflags spice-protocol spice-server 2>/dev/null)
spice_libs=$($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 "$spice" = "yes" ; then
feature_not_found "spice" \
"Install spice-server(>=0.12.5) devel"
fi
spice="no"
fi
fi
##########################################
# check if we have VSS SDK headers for win
if test "$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 > $TMPC << EOF
#define __MIDL_user_allocate_free_DEFINED__
#include <inc/win2003/vss.h>
int main(void) { return VSS_CTX_BACKUP; }
EOF
if compile_prog "$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 <windows.h>
#include <ntddscsi.h>
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 $libs_qga"
fi
fi
##########################################
# capstone
case "$capstone" in
auto | enabled | internal)
# Simpler to always update submodule, even if not needed.
git_submodules="${git_submodules} capstone"
;;
esac
##########################################
# check if we have posix_syslog
posix_syslog=no
cat > $TMPC << EOF
#include <syslog.h>
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 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 <lttng/tracepoint.h>
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 > $TMPC << EOF
#include <ucontext.h>
#ifdef __stub_makecontext
#error Ignoring glibc stub makecontext which will always fail
#endif
int main(void) { makecontext(0, 0, 0); return 0; }
EOF
if compile_prog "" "" ; then
ucontext_works=yes
fi
fi
if test "$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 cpuid.h is usable.
cat > $TMPC << EOF
#include <cpuid.h>
int main(void) {
unsigned a, b, c, d;
int max = __get_cpuid_max(0, 0);
if (max >= 1) {
__cpuid(1, a, b, c, d);
}
if (max >= 7) {
__cpuid_count(7, 0, a, b, c, d);
}
return 0;
}
EOF
if compile_prog "" "" ; then
cpuid_h=yes
fi
##########################################
# avx2 optimization requirement check
#
# There is no point enabling this if cpuid.h is not usable,
# since we won't be able to select the new routines.
if test "$cpuid_h" = "yes" && test "$avx2_opt" != "no"; then
cat > $TMPC << EOF
#pragma GCC push_options
#pragma GCC target("avx2")
#include <cpuid.h>
#include <immintrin.h>
static int bar(void *a) {
__m256i x = *(__m256i *)a;
return _mm256_testz_si256(x, x);
}
int main(int argc, char *argv[]) { return bar(argv[0]); }
EOF
if compile_object "" ; then
avx2_opt="yes"
else
avx2_opt="no"
fi
fi
##########################################
# avx512f optimization requirement check
#
# There is no point enabling this if cpuid.h is not usable,
# since we won't be able to select the new routines.
# by default, it is turned off.
# if user explicitly want to enable it, check environment
if test "$cpuid_h" = "yes" && test "$avx512f_opt" = "yes"; then
cat > $TMPC << EOF
#pragma GCC push_options
#pragma GCC target("avx512f")
#include <cpuid.h>
#include <immintrin.h>
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 > $TMPC << EOF
#include <stdint.h>
int main(void)
{
uint64_t x = 0, y = 0;
#ifdef __ATOMIC_RELAXED
y = __atomic_load_n(&x, __ATOMIC_RELAXED);
__atomic_store_n(&x, y, __ATOMIC_RELAXED);
__atomic_compare_exchange_n(&x, &y, x, 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
__atomic_exchange_n(&x, y, __ATOMIC_RELAXED);
__atomic_fetch_add(&x, y, __ATOMIC_RELAXED);
#else
typedef char is_host64[sizeof(void *) >= sizeof(uint64_t) ? 1 : -1];
__sync_lock_test_and_set(&x, y);
__sync_val_compare_and_swap(&x, y, 0);
__sync_fetch_and_add(&x, y);
#endif
return 0;
}
EOF
if compile_prog "" "" ; then
atomic64=yes
fi
#########################################
# See if --dynamic-list is supported by the linker
ld_dynamic_list="no"
if test "$static" = "no" ; then
cat > $TMPTXT <<EOF
{
foo;
};
EOF
cat > $TMPC <<EOF
#include <stdio.h>
void foo(void);
void foo(void)
{
printf("foo\n");
}
int main(void)
{
foo();
return 0;
}
EOF
if compile_prog "" "-Wl,--dynamic-list=$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 > $TMPTXT <<EOF
_foo
EOF
if compile_prog "" "-Wl,-exported_symbols_list,$TMPTXT" ; then
ld_exported_symbols_list="yes"
fi
fi
if test "$plugins" = "yes" &&
test "$ld_dynamic_list" = "no" &&
test "$ld_exported_symbols_list" = "no" ; then
error_exit \
"Plugin support requires dynamic linking and specifying a set of symbols " \
"that are exported to plugins. Unfortunately your linker doesn't " \
"support the flag (--dynamic-list or -exported_symbols_list) used " \
"for this purpose. You can't build with --static."
fi
########################################
# check if getauxval is available.
getauxval=no
cat > $TMPC << EOF
#include <sys/auxv.h>
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 struct fsxattr is available via linux/fs.h
have_fsxattr=no
cat > $TMPC << EOF
#include <linux/fs.h>
struct fsxattr foo;
int main(void) {
return 0;
}
EOF
if compile_prog "" "" ; then
have_fsxattr=yes
fi
##########################################
# check for usable membarrier system call
if test "$membarrier" = "yes"; then
have_membarrier=no
if test "$mingw32" = "yes" ; then
have_membarrier=yes
elif test "$linux" = "yes" ; then
cat > $TMPC << EOF
#include <linux/membarrier.h>
#include <sys/syscall.h>
#include <unistd.h>
#include <stdlib.h>
int main(void) {
syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
exit(0);
}
EOF
if compile_prog "" "" ; then
have_membarrier=yes
fi
fi
if test "$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 for usable AF_VSOCK environment
have_af_vsock=no
cat > $TMPC << EOF
#include <errno.h>
#include <sys/types.h>
#include <sys/socket.h>
#if !defined(AF_VSOCK)
# error missing AF_VSOCK flag
#endif
#include <linux/vm_sockets.h>
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 > $TMPC << EOF
#include <errno.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <linux/if_alg.h>
int main(void) {
int sock;
sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
return sock;
}
EOF
if compile_prog "" "" ; then
have_afalg=yes
fi
if test "$crypto_afalg" = "yes"
then
if test "$have_afalg" != "yes"
then
error_exit "AF_ALG requested but could not be detected"
fi
fi
##########################################
# checks for sanitizers
have_asan=no
have_ubsan=no
have_asan_iface_h=no
have_asan_iface_fiber=no
if test "$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 > $TMPC << EOF
#include <stdlib.h>
int main(void) {
void *tmp = malloc(10);
if (tmp != NULL) {
return *(int *)(tmp + 2);
}
return 1;
}
EOF
if compile_prog "$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 > $TMPC << EOF
#include <sanitizer/asan_interface.h>
int main(void) {
__sanitizer_start_switch_fiber(0, 0, 0);
return 0;
}
EOF
if compile_prog "$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 > $TMPC << EOF
#include <sanitizer/tsan_interface.h>
int main(void) {
__tsan_create_fiber(0);
return 0;
}
EOF
if compile_prog "$CPU_CFLAGS -Werror -fsanitize=thread" "" ; then
have_tsan_iface_fiber=yes
fi
fi
##########################################
# check for 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 > $TMPC << EOF
#include <errno.h>
#include <asm/unistd.h>
#include <linux/keyctl.h>
#include <unistd.h>
int main(void) {
return syscall(__NR_keyctl, KEYCTL_READ, 0, NULL, NULL, 0);
}
EOF
if compile_prog "" "" ; then
have_keyring=yes
fi
fi
if test "$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 $QEMU_LDFLAGS"
fi
done
fi
# Probe for guest agent support/options
if [ "$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_object "-march=z10 -msoft-float -Werror"; 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 <<EOF
int c_function(void);
int main(void) { return c_function(); }
EOF
compile_object
cat > $TMPCXX <<EOF
extern "C" {
int c_function(void);
}
int c_function(void) { return 42; }
EOF
update_cxxflags
if do_cxx $CXXFLAGS $CONFIGURE_CXXFLAGS $QEMU_CXXFLAGS -o $TMPE $TMPCXX $TMPO $QEMU_LDFLAGS; then
# C++ compiler $cxx works ok with C compiler $cc
:
else
echo "C++ compiler $cxx does not work with C compiler $cc"
echo "Disabling C++ specific optional code"
cxx=
fi
else
echo "No C++ compiler available; disabling C++ specific optional code"
cxx=
fi
if !(GIT="$git" "$source_path/scripts/git-submodule.sh" "$git_submodules_action" "$git_submodules"); then
exit 1
fi
config_host_mak="config-host.mak"
echo "# Automatically generated by configure - do not modify" > $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" >> $config_host_mak
fi
if test "$have_usbfs" = "yes" ; then
echo "CONFIG_USBFS=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\"" >> $config_host_mak
# Work around a system header bug with some kernel/XFS header
# versions where they both try to define 'struct fsxattr':
# xfs headers will not try to redefine structs from linux headers
# if this macro is set.
if test "$have_fsxattr" = "yes" ; then
echo "HAVE_FSXATTR=y" >> $config_host_mak
fi
if test "$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" >> $config_host_mak
fi
if test "$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" >> $config_host_mak
fi
if test "$tcg" = "enabled" -a "$tcg_interpreter" = "true" ; then
echo "CONFIG_TCG_INTERPRETER=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" >> $config_host_mak
fi
if test "$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" >> $config_host_mak
fi
if test "$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" >> $config_host_mak
fi
if test "$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" >> $config_host_mak
fi
if test "$replication" = "yes" ; then
echo "CONFIG_REPLICATION=y" >> $config_host_mak
fi
if test "$have_af_vsock" = "yes" ; then
echo "CONFIG_AF_VSOCK=y" >> $config_host_mak
fi
if test "$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" ; then
echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak
echo "CONFIG_PTHREAD_SETNAME_NP_W_TID=y" >> $config_host_mak
elif test "$pthread_setname_np_wo_tid" = "yes" ; then
echo "CONFIG_THREAD_SETNAME_BYTHREAD=y" >> $config_host_mak
echo "CONFIG_PTHREAD_SETNAME_NP_WO_TID=y" >> $config_host_mak
fi
if test "$bochs" = "yes" ; then
echo "CONFIG_BOCHS=y" >> $config_host_mak
fi
if test "$cloop" = "yes" ; then
echo "CONFIG_CLOOP=y" >> $config_host_mak
fi
if test "$dmg" = "yes" ; then
echo "CONFIG_DMG=y" >> $config_host_mak
fi
if test "$qcow1" = "yes" ; then
echo "CONFIG_QCOW1=y" >> $config_host_mak
fi
if test "$vdi" = "yes" ; then
echo "CONFIG_VDI=y" >> $config_host_mak
fi
if test "$vvfat" = "yes" ; 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 "${LIB_FUZZING_ENGINE+xxx}" ; then
# Add CFLAGS to tell clang to add fuzzer-related instrumentation to all the
# compiled code.
QEMU_CFLAGS="$QEMU_CFLAGS -fsanitize=fuzzer-no-link"
# To build non-fuzzer binaries with --enable-fuzzing, link everything with
# fsanitize=fuzzer-no-link. Otherwise, the linker will be unable to bind
# the fuzzer-related callbacks added by instrumentation.
QEMU_LDFLAGS="$QEMU_LDFLAGS -fsanitize=fuzzer-no-link"
# For the actual fuzzer binaries, we need to link against the libfuzzer
# library. Provide the flags for doing this in FUZZ_EXE_LDFLAGS. The meson
# rule for the fuzzer adds these to the link_args. They need to be
# configurable, to support OSS-Fuzz
FUZZ_EXE_LDFLAGS="-fsanitize=fuzzer"
else
FUZZ_EXE_LDFLAGS="$LIB_FUZZING_ENGINE"
fi
fi
if test "$plugins" = "yes" ; then
echo "CONFIG_PLUGIN=y" >> $config_host_mak
# Copy the export object list to the build dir
if test "$ld_dynamic_list" = "yes" ; then
echo "CONFIG_HAS_LD_DYNAMIC_LIST=yes" >> $config_host_mak
ld_symbols=qemu-plugins-ld.symbols
cp "$source_path/plugins/qemu-plugins.symbols" $ld_symbols
elif test "$ld_exported_symbols_list" = "yes" ; then
echo "CONFIG_HAS_LD_EXPORTED_SYMBOLS_LIST=yes" >> $config_host_mak
ld64_symbols=qemu-plugins-ld64.symbols
echo "# Automatically generated by configure - do not modify" > $ld64_symbols
grep 'qemu_' "$source_path/plugins/qemu-plugins.symbols" | sed 's/;//g' | \
sed -E 's/^[[:space:]]*(.*)/_\1/' >> $ld64_symbols
else
error_exit \
"If \$plugins=yes, either \$ld_dynamic_list or " \
"\$ld_exported_symbols_list should have been set to 'yes'."
fi
fi
if test -n "$gdb_bin"; then
gdb_version=$($gdb_bin --version | head -n 1)
if version_ge ${gdb_version##* } 9.1; then
echo "HAVE_GDB_BIN=$gdb_bin" >> $config_host_mak
fi
fi
if test "$secret_keyring" = "yes" ; then
echo "CONFIG_SECRET_KEYRING=y" >> $config_host_mak
fi
echo "ROMS=$roms" >> $config_host_mak
echo "MAKE=$make" >> $config_host_mak
echo "PYTHON=$python" >> $config_host_mak
echo "GENISOIMAGE=$genisoimage" >> $config_host_mak
echo "MESON=$meson" >> $config_host_mak
echo "NINJA=$ninja" >> $config_host_mak
echo "CC=$cc" >> $config_host_mak
echo "HOST_CC=$host_cc" >> $config_host_mak
if $iasl -h > /dev/null 2>&1; then
echo "CONFIG_IASL=$iasl" >> $config_host_mak
fi
echo "AR=$ar" >> $config_host_mak
echo "AS=$as" >> $config_host_mak
echo "CCAS=$ccas" >> $config_host_mak
echo "CPP=$cpp" >> $config_host_mak
echo "OBJCOPY=$objcopy" >> $config_host_mak
echo "LD=$ld" >> $config_host_mak
echo "CFLAGS_NOPIE=$CFLAGS_NOPIE" >> $config_host_mak
echo "QEMU_CFLAGS=$QEMU_CFLAGS" >> $config_host_mak
echo "QEMU_CXXFLAGS=$QEMU_CXXFLAGS" >> $config_host_mak
echo "GLIB_CFLAGS=$glib_cflags" >> $config_host_mak
echo "GLIB_LIBS=$glib_libs" >> $config_host_mak
echo "QEMU_LDFLAGS=$QEMU_LDFLAGS" >> $config_host_mak
echo "LD_I386_EMULATION=$ld_i386_emulation" >> $config_host_mak
echo "EXESUF=$EXESUF" >> $config_host_mak
echo "HOST_DSOSUF=$HOST_DSOSUF" >> $config_host_mak
echo "LIBS_QGA=$libs_qga" >> $config_host_mak
if test "$gcov" = "yes" ; then
echo "CONFIG_GCOV=y" >> $config_host_mak
fi
if test "$fuzzing" != "no"; then
echo "CONFIG_FUZZ=y" >> $config_host_mak
fi
echo "FUZZ_EXE_LDFLAGS=$FUZZ_EXE_LDFLAGS" >> $config_host_mak
if test "$rng_none" = "yes"; then
echo "CONFIG_RNG_NONE=y" >> $config_host_mak
fi
# use included Linux headers
if test "$linux" = "yes" ; then
mkdir -p linux-headers
case "$cpu" in
i386|x86_64|x32)
linux_arch=x86
;;
ppc|ppc64|ppc64le)
linux_arch=powerpc
;;
s390x)
linux_arch=s390
;;
aarch64)
linux_arch=arm64
;;
mips64)
linux_arch=mips
;;
*)
# For most CPUs the kernel architecture name and QEMU CPU name match.
linux_arch="$cpu"
;;
esac
# For non-KVM architectures we will not have asm headers
if [ -e "$source_path/linux-headers/asm-$linux_arch" ]; then
symlink "$source_path/linux-headers/asm-$linux_arch" linux-headers/asm
fi
fi
for target in $target_list; do
target_dir="$target"
target_name=$(echo $target | cut -d '-' -f 1)
mkdir -p $target_dir
case $target in
*-user) symlink "../qemu-$target_name" "$target_dir/qemu-$target_name" ;;
*) symlink "../qemu-system-$target_name" "$target_dir/qemu-system-$target_name" ;;
esac
done
echo "CONFIG_QEMU_INTERP_PREFIX=$interp_prefix" | sed 's/%M/@0@/' >> $config_host_mak
if test "$default_targets" = "yes"; then
echo "CONFIG_DEFAULT_TARGETS=y" >> $config_host_mak
fi
if test "$numa" = "yes"; then
echo "CONFIG_NUMA=y" >> $config_host_mak
echo "NUMA_LIBS=$numa_libs" >> $config_host_mak
fi
if test "$ccache_cpp2" = "yes"; then
echo "export CCACHE_CPP2=y" >> $config_host_mak
fi
if test "$safe_stack" = "yes"; then
echo "CONFIG_SAFESTACK=y" >> $config_host_mak
fi
# If we're using a separate build tree, set it up now.
# DIRS are directories which we simply mkdir in the build tree;
# LINKS are things to symlink back into the source tree
# (these can be both files and directories).
# Caution: do not add files or directories here using wildcards. This
# will result in problems later if a new file matching the wildcard is
# added to the source tree -- nothing will cause configure to be rerun
# so the build tree will be missing the link back to the new file, and
# tests might fail. Prefer to keep the relevant files in their own
# directory and symlink the directory instead.
# UNLINK is used to remove symlinks from older development versions
# that might get into the way when doing "git update" without doing
# a "make distclean" in between.
DIRS="tests tests/tcg tests/qapi-schema tests/qtest/libqos"
DIRS="$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]" >> $cross
# unroll any custom device configs
if test -n "$device_archs"; then
for a in $device_archs; do
eval "c=\$devices_${a}"
echo "${a}-softmmu = '$c'" >> $cross
done
fi
test -z "$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=$sdl_image \
-Dlibusb=$libusb -Dsmartcard=$smartcard -Dusb_redir=$usb_redir -Dvte=$vte \
-Dvnc=$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=$lzfse -Dlibxml2=$libxml2 \
-Dlibdaxctl=$libdaxctl -Dlibpmem=$libpmem -Dlinux_io_uring=$linux_io_uring \
-Dgnutls=$gnutls -Dnettle=$nettle -Dgcrypt=$gcrypt -Dauth_pam=$auth_pam \
-Dzstd=$zstd -Dseccomp=$seccomp -Dvirtfs=$virtfs -Dcap_ng=$cap_ng \
-Dattr=$attr -Ddefault_devices=$default_devices -Dvirglrenderer=$virglrenderer \
-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 <<EOD >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"
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