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configure
executable file
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configure
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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" $CPU_CFLAGS "$@"
}
do_cxx() {
do_compiler "$cxx" $CPU_CFLAGS "$@"
}
# 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="-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 $EXTRA_CFLAGS $CONFIGURE_CFLAGS $QEMU_CFLAGS $local_cflags -c -o $TMPO $TMPC
}
compile_prog() {
local_cflags="$1"
local_ldflags="$2"
do_cc $CFLAGS $EXTRA_CFLAGS $CONFIGURE_CFLAGS $QEMU_CFLAGS $local_cflags -o $TMPE $TMPC \
$LDFLAGS $EXTRA_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
}
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" "$PWD" | grep -q "[[:space:]:]";
then
error_exit "main directory cannot contain spaces nor colons"
fi
# default parameters
cpu=""
iasl="iasl"
interp_prefix="/usr/gnemul/qemu-%M"
static="no"
cross_compile="no"
cross_prefix=""
audio_drv_list="default"
block_drv_rw_whitelist=""
block_drv_ro_whitelist=""
block_drv_whitelist_tools="no"
host_cc="cc"
libs_qga=""
debug_info="yes"
lto="false"
stack_protector=""
safe_stack=""
use_containers="yes"
gdb_bin=$(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 "$opt" in
--without-default-features)
default_feature="no"
;;
esac
done
EXTRA_CFLAGS=""
EXTRA_CXXFLAGS=""
EXTRA_LDFLAGS=""
xen_ctrl_version="$default_feature"
xfs="$default_feature"
membarrier="$default_feature"
vhost_kernel="$default_feature"
vhost_net="$default_feature"
vhost_crypto="$default_feature"
vhost_scsi="$default_feature"
vhost_vsock="$default_feature"
vhost_user="no"
vhost_user_fs="$default_feature"
vhost_vdpa="$default_feature"
rdma="$default_feature"
pvrdma="$default_feature"
gprof="no"
debug_tcg="no"
debug="no"
sanitizers="no"
tsan="no"
fortify_source="$default_feature"
strip_opt="yes"
mingw32="no"
gcov="no"
EXESUF=""
modules="no"
module_upgrades="no"
prefix="/usr/local"
qemu_suffix="qemu"
bsd="no"
linux="no"
solaris="no"
profiler="no"
softmmu="yes"
linux_user="no"
bsd_user="no"
pkgversion=""
pie=""
qom_cast_debug="yes"
trace_backends="log"
trace_file="trace"
opengl="$default_feature"
cpuid_h="no"
avx2_opt="$default_feature"
guest_agent="$default_feature"
guest_agent_with_vss="no"
guest_agent_ntddscsi="no"
vss_win32_sdk="$default_feature"
win_sdk="no"
want_tools="$default_feature"
coroutine=""
coroutine_pool="$default_feature"
debug_stack_usage="no"
crypto_afalg="no"
tls_priority="NORMAL"
tpm="$default_feature"
live_block_migration=${default_feature:-yes}
numa="$default_feature"
replication=${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}
debug_mutex="no"
plugins="$default_feature"
rng_none="no"
secret_keyring="$default_feature"
meson=""
meson_args=""
ninja=""
gio="$default_feature"
skip_meson=no
slirp_smbd="$default_feature"
# The following Meson options are handled manually (still they
# are included in the automatically generated help message)
# 1. Track which submodules are needed
capstone="auto"
fdt="auto"
slirp="auto"
# 2. Support --with/--without option
default_devices="true"
# 3. Automatically enable/disable other options
tcg="enabled"
cfi="false"
# 4. Detection partly done in configure
xen=${default_feature:+disabled}
# parse CC options second
for opt do
optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)')
case "$opt" in
--cross-prefix=*) cross_prefix="$optarg"
cross_compile="yes"
;;
--cc=*) CC="$optarg"
;;
--cxx=*) CXX="$optarg"
;;
--cpu=*) cpu="$optarg"
;;
--extra-cflags=*)
EXTRA_CFLAGS="$EXTRA_CFLAGS $optarg"
EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS $optarg"
;;
--extra-cxxflags=*) EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS $optarg"
;;
--extra-ldflags=*) EXTRA_LDFLAGS="$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="-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"
QEMU_LDFLAGS=
# 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
}
if check_define __linux__ ; then
targetos=linux
elif check_define _WIN32 ; then
targetos=windows
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
# OS specific
case $targetos in
windows)
mingw32="yes"
plugins="no"
pie="no"
;;
gnu/kfreebsd)
bsd="yes"
;;
freebsd)
bsd="yes"
bsd_user="yes"
make="${MAKE-gmake}"
# needed for kinfo_getvmmap(3) in libutil.h
;;
dragonfly)
bsd="yes"
make="${MAKE-gmake}"
;;
netbsd)
bsd="yes"
make="${MAKE-gmake}"
;;
openbsd)
bsd="yes"
make="${MAKE-gmake}"
;;
darwin)
bsd="yes"
darwin="yes"
# 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}"
# 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"
# $(uname -m) returns i86pc even on an x86_64 box, so default based on isainfo
# Note that this check is broken for cross-compilation: if you're
# cross-compiling to one of these OSes then you'll need to specify
# the correct CPU with the --cpu option.
if test -z "$cpu" && test "$(isainfo -k)" = "amd64"; then
cpu="x86_64"
fi
;;
haiku)
pie="no"
QEMU_CFLAGS="-DB_USE_POSITIVE_POSIX_ERRORS -D_BSD_SOURCE -fPIC $QEMU_CFLAGS"
;;
linux)
linux="yes"
linux_user="yes"
vhost_user=${default_feature:-yes}
;;
esac
if test ! -z "$cpu" ; then
# command line argument
:
elif check_define __i386__ ; then
cpu="i386"
elif check_define __x86_64__ ; then
if check_define __ILP32__ ; then
cpu="x32"
else
cpu="x86_64"
fi
elif check_define __sparc__ ; then
if check_define __arch64__ ; then
cpu="sparc64"
else
cpu="sparc"
fi
elif check_define _ARCH_PPC ; then
if check_define _ARCH_PPC64 ; then
if check_define _LITTLE_ENDIAN ; then
cpu="ppc64le"
else
cpu="ppc64"
fi
else
cpu="ppc"
fi
elif check_define __mips__ ; then
cpu="mips"
elif check_define __s390__ ; then
if check_define __s390x__ ; then
cpu="s390x"
else
cpu="s390"
fi
elif check_define __riscv ; then
cpu="riscv"
elif check_define __arm__ ; then
cpu="arm"
elif check_define __aarch64__ ; then
cpu="aarch64"
elif check_define __loongarch64 ; then
cpu="loongarch64"
else
cpu=$(uname -m)
fi
# Normalise host CPU name, set multilib cflags
# Note that this case should only have supported host CPUs, not guests.
case "$cpu" in
armv*b|armv*l|arm)
cpu="arm" ;;
i386|i486|i586|i686|i86pc|BePC)
cpu="i386"
CPU_CFLAGS="-m32" ;;
x32)
cpu="x86_64"
CPU_CFLAGS="-mx32" ;;
x86_64|amd64)
cpu="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" ;;
mips*)
cpu="mips" ;;
ppc)
CPU_CFLAGS="-m32" ;;
ppc64)
CPU_CFLAGS="-m64 -mbig" ;;
ppc64le)
cpu="ppc64"
CPU_CFLAGS="-m64 -mlittle" ;;
s390)
CPU_CFLAGS="-m31" ;;
s390x)
CPU_CFLAGS="-m64" ;;
sparc|sun4[cdmuv])
cpu="sparc"
CPU_CFLAGS="-m32 -mv8plus -mcpu=ultrasparc" ;;
sparc64)
CPU_CFLAGS="-m64 -mcpu=ultrasparc" ;;
esac
: ${make=${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"
# 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=""
. $source_path/scripts/meson-buildoptions.sh
meson_options=
meson_option_parse() {
meson_options="$meson_options $(_meson_option_parse "$@")"
if test $? -eq 1; then
echo "ERROR: unknown option $1"
echo "Try '$0 --help' for more information"
exit 1
fi
}
for opt do
optarg=$(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
;;
--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="$optarg"
;;
--host=*|--build=*|\
--disable-dependency-tracking|\
--sbindir=*|--sharedstatedir=*|\
--oldincludedir=*|--datarootdir=*|--infodir=*|\
--htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*)
# These switches are silently ignored, for compatibility with
# autoconf-generated configure scripts. This allows QEMU's
# configure to be used by RPM and similar macros that set
# lots of directory switches by default.
;;
--disable-qom-cast-debug) qom_cast_debug="no"
;;
--enable-qom-cast-debug) qom_cast_debug="yes"
;;
--audio-drv-list=*) audio_drv_list="$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-block-drv-whitelist-in-tools) block_drv_whitelist_tools="yes"
;;
--disable-block-drv-whitelist-in-tools) block_drv_whitelist_tools="no"
;;
--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"
;;
--disable-strip) strip_opt="no"
;;
--disable-slirp) slirp="disabled"
;;
--enable-slirp) slirp="enabled"
;;
--enable-slirp=git) slirp="internal"
;;
--enable-slirp=*) slirp="$optarg"
;;
--disable-xen) xen="disabled"
;;
--enable-xen) xen="enabled"
;;
--disable-tcg) tcg="disabled"
plugins="no"
;;
--enable-tcg) tcg="enabled"
;;
--enable-profiler) profiler="yes"
;;
--disable-system) softmmu="no"
;;
--enable-system) softmmu="yes"
;;
--disable-user)
linux_user="no" ;
bsd_user="no" ;
;;
--enable-user) ;;
--disable-linux-user) linux_user="no"
;;
--enable-linux-user) linux_user="yes"
;;
--disable-bsd-user) bsd_user="no"
;;
--enable-bsd-user) bsd_user="yes"
;;
--enable-pie) pie="yes"
;;
--disable-pie) pie="no"
;;
--enable-werror) werror="yes"
;;
--disable-werror) werror="no"
;;
--enable-lto) lto="true"
;;
--disable-lto) lto="false"
;;
--enable-stack-protector) stack_protector="yes"
;;
--disable-stack-protector) stack_protector="no"
;;
--enable-safe-stack) safe_stack="yes"
;;
--disable-safe-stack) safe_stack="no"
;;
--enable-cfi)
cfi="true";
lto="true";
;;
--disable-cfi) cfi="false"
;;
--disable-fdt) fdt="disabled"
;;
--enable-fdt) fdt="enabled"
;;
--enable-fdt=git) fdt="internal"
;;
--enable-fdt=*) fdt="$optarg"
;;
--disable-membarrier) membarrier="no"
;;
--enable-membarrier) membarrier="yes"
;;
--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-vhost-net) vhost_net="no"