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configure
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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
# 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}/${TMPB}.cxx"
TMPL="${TMPDIR1}/${TMPB}.lo"
TMPA="${TMPDIR1}/lib${TMPB}.la"
TMPE="${TMPDIR1}/${TMPB}.exe"
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
error_exit() {
echo
echo "ERROR: $1"
while test -n "$2"; do
echo " $2"
shift
done
echo
exit 1
}
do_compiler() {
# Run the compiler, capturing its output to the log. First argument
# is compiler binary to execute.
local compiler="$1"
shift
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" "$@"
}
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=
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 $QEMU_CFLAGS $local_cflags -c -o $TMPO $TMPC
}
compile_prog() {
local_cflags="$1"
local_ldflags="$2"
do_cc $QEMU_CFLAGS $local_cflags -o $TMPE $TMPC $LDFLAGS $local_ldflags
}
do_libtool() {
local mode=$1
shift
# Run the compiler, capturing its output to the log.
echo $libtool $mode --tag=CC $cc "$@" >> config.log
$libtool $mode --tag=CC $cc "$@" >> 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 $libtool $mode --tag=CC $cc -Werror "$@" >> config.log
$libtool $mode --tag=CC $cc -Werror "$@" >> 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."
}
libtool_prog() {
do_libtool --mode=compile $QEMU_CFLAGS -c -fPIE -DPIE -o $TMPO $TMPC || return $?
do_libtool --mode=link $LDFLAGS -o $TMPA $TMPL -rpath /usr/local/lib
}
# 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
}
# search for an executable in PATH
path_of() {
local_command="$1"
local_ifs="$IFS"
local_dir=""
# pathname has a dir component?
if [ "${local_command#*/}" != "$local_command" ]; then
if [ -x "$local_command" ] && [ ! -d "$local_command" ]; then
echo "$local_command"
return 0
fi
fi
if [ -z "$local_command" ]; then
return 1
fi
IFS=:
for local_dir in $PATH; do
if [ -x "$local_dir/$local_command" ] && [ ! -d "$local_dir/$local_command" ]; then
echo "$local_dir/$local_command"
IFS="${local_ifs:-$(printf ' \t\n')}"
return 0
fi
done
# not found
IFS="${local_ifs:-$(printf ' \t\n')}"
return 1
}
have_backend () {
echo "$trace_backends" | grep "$1" >/dev/null
}
# default parameters
source_path=`dirname "$0"`
cpu=""
iasl="iasl"
interp_prefix="/usr/gnemul/qemu-%M"
static="no"
cross_prefix=""
audio_drv_list=""
block_drv_rw_whitelist=""
block_drv_ro_whitelist=""
host_cc="cc"
libs_softmmu=""
libs_tools=""
audio_pt_int=""
audio_win_int=""
cc_i386=i386-pc-linux-gnu-gcc
libs_qga=""
debug_info="yes"
stack_protector=""
# Don't accept a target_list environment variable.
unset target_list
# 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.
bluez=""
brlapi=""
curl=""
curses=""
docs=""
fdt=""
netmap="no"
pixman=""
sdl=""
sdlabi="1.2"
virtfs=""
vnc="yes"
sparse="no"
uuid=""
vde=""
vnc_sasl=""
vnc_jpeg=""
vnc_png=""
xen=""
xen_ctrl_version=""
xen_pci_passthrough=""
linux_aio=""
cap_ng=""
attr=""
libattr=""
xfs=""
vhost_net="no"
vhost_scsi="no"
kvm="no"
rdma=""
gprof="no"
debug_tcg="no"
debug="no"
fortify_source=""
strip_opt="yes"
tcg_interpreter="no"
bigendian="no"
mingw32="no"
gcov="no"
gcov_tool="gcov"
EXESUF=""
DSOSUF=".so"
LDFLAGS_SHARED="-shared"
modules="no"
prefix="/usr/local"
mandir="\${prefix}/share/man"
datadir="\${prefix}/share"
qemu_docdir="\${prefix}/share/doc/qemu"
bindir="\${prefix}/bin"
libdir="\${prefix}/lib"
libexecdir="\${prefix}/libexec"
includedir="\${prefix}/include"
sysconfdir="\${prefix}/etc"
local_statedir="\${prefix}/var"
confsuffix="/qemu"
slirp="yes"
oss_lib=""
bsd="no"
linux="no"
solaris="no"
profiler="no"
cocoa="no"
softmmu="yes"
linux_user="no"
bsd_user="no"
aix="no"
blobs="yes"
pkgversion=""
pie=""
zero_malloc=""
qom_cast_debug="yes"
trace_backends="nop"
trace_file="trace"
spice=""
rbd=""
smartcard=""
libusb=""
usb_redir=""
opengl=""
zlib="yes"
lzo=""
snappy=""
bzip2=""
guest_agent=""
guest_agent_with_vss="no"
guest_agent_ntddscsi="no"
guest_agent_msi=""
vss_win32_sdk=""
win_sdk="no"
want_tools="yes"
libiscsi=""
libnfs=""
coroutine=""
coroutine_pool=""
seccomp=""
glusterfs=""
glusterfs_discard="no"
glusterfs_zerofill="no"
archipelago="no"
gtk=""
gtkabi=""
gtk_gl="no"
gnutls=""
gnutls_hash=""
nettle=""
gcrypt=""
vte=""
virglrenderer=""
tpm="yes"
libssh2=""
vhdx=""
numa=""
mouse="yes"
tcmalloc="no"
jemalloc="no"
# parse CC options first
for opt do
optarg=`expr "x$opt" : 'x[^=]*=\(.*\)'`
case "$opt" in
--cross-prefix=*) cross_prefix="$optarg"
;;
--cc=*) CC="$optarg"
;;
--cxx=*) CXX="$optarg"
;;
--source-path=*) source_path="$optarg"
;;
--cpu=*) cpu="$optarg"
;;
--extra-cflags=*) QEMU_CFLAGS="$QEMU_CFLAGS $optarg"
EXTRA_CFLAGS="$optarg"
;;
--extra-ldflags=*) LDFLAGS="$LDFLAGS $optarg"
EXTRA_LDFLAGS="$optarg"
;;
--enable-debug-info) debug_info="yes"
;;
--disable-debug-info) debug_info="no"
;;
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}"
cpp="${CPP-$cc -E}"
objcopy="${OBJCOPY-${cross_prefix}objcopy}"
ld="${LD-${cross_prefix}ld}"
libtool="${LIBTOOL-${cross_prefix}libtool}"
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
sdl_config="${SDL_CONFIG-${cross_prefix}sdl-config}"
sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}"
# If the user hasn't specified ARFLAGS, default to 'rv', just as make does.
ARFLAGS="${ARFLAGS-rv}"
# default flags for all hosts
QEMU_CFLAGS="-fno-strict-aliasing -fno-common $QEMU_CFLAGS"
QEMU_CFLAGS="-Wall -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 $QEMU_CFLAGS"
QEMU_INCLUDES="-I. -I\$(SRC_PATH) -I\$(SRC_PATH)/include"
if test "$debug_info" = "yes"; then
CFLAGS="-g $CFLAGS"
LDFLAGS="-g $LDFLAGS"
fi
# make source path absolute
source_path=`cd "$source_path"; pwd`
# running configure in the source tree?
# we know that's the case if configure is there.
if test -f "./configure"; then
pwd_is_source_path="y"
else
pwd_is_source_path="n"
fi
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='MINGW32'
elif check_define __OpenBSD__ ; then
targetos='OpenBSD'
elif check_define __sun__ ; then
targetos='SunOS'
elif check_define __HAIKU__ ; then
targetos='Haiku'
else
targetos=`uname -s`
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 $targetos in
Darwin)
# on Leopard most of the system is 32-bit, so we have to ask the kernel if we can
# run 64-bit userspace code.
# If the user didn't specify a CPU explicitly and the kernel says this is
# 64 bit hw, then assume x86_64. Otherwise fall through to the usual detection code.
if test -z "$cpu" && test "$(sysctl -n hw.optional.x86_64)" = "1"; then
cpu="x86_64"
fi
;;
SunOS)
# `uname -m` returns i86pc even on an x86_64 box, so default based on isainfo
if test -z "$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
cpu="ppc64"
else
cpu="ppc"
fi
elif check_define __mips__ ; then
cpu="mips"
elif check_define __ia64__ ; then
cpu="ia64"
elif check_define __s390__ ; then
if check_define __s390x__ ; then
cpu="s390x"
else
cpu="s390"
fi
elif check_define __arm__ ; then
cpu="arm"
elif check_define __aarch64__ ; then
cpu="aarch64"
elif check_define __hppa__ ; then
cpu="hppa"
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 "$cpu" in
ia64|ppc|ppc64|s390|s390x|sparc64|x32)
cpu="$cpu"
;;
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
# host *BSD for user mode
HOST_VARIANT_DIR=""
case $targetos in
CYGWIN*)
mingw32="yes"
QEMU_CFLAGS="-mno-cygwin $QEMU_CFLAGS"
audio_possible_drivers="sdl"
audio_drv_list="sdl"
;;
MINGW32*)
mingw32="yes"
audio_possible_drivers="dsound sdl"
if check_include dsound.h; then
audio_drv_list="dsound"
else
audio_drv_list=""
fi
;;
GNU/kFreeBSD)
bsd="yes"
audio_drv_list="oss"
audio_possible_drivers="oss sdl pa"
;;
FreeBSD)
bsd="yes"
make="${MAKE-gmake}"
audio_drv_list="oss"
audio_possible_drivers="oss sdl pa"
# needed for kinfo_getvmmap(3) in libutil.h
LIBS="-lutil $LIBS"
netmap="" # enable netmap autodetect
HOST_VARIANT_DIR="freebsd"
;;
DragonFly)
bsd="yes"
make="${MAKE-gmake}"
audio_drv_list="oss"
audio_possible_drivers="oss sdl pa"
HOST_VARIANT_DIR="dragonfly"
;;
NetBSD)
bsd="yes"
make="${MAKE-gmake}"
audio_drv_list="oss"
audio_possible_drivers="oss sdl"
oss_lib="-lossaudio"
HOST_VARIANT_DIR="netbsd"
;;
OpenBSD)
bsd="yes"
make="${MAKE-gmake}"
audio_drv_list="sdl"
audio_possible_drivers="sdl"
HOST_VARIANT_DIR="openbsd"
;;
Darwin)
bsd="yes"
darwin="yes"
LDFLAGS_SHARED="-bundle -undefined dynamic_lookup"
if [ "$cpu" = "x86_64" ] ; then
QEMU_CFLAGS="-arch x86_64 $QEMU_CFLAGS"
LDFLAGS="-arch x86_64 $LDFLAGS"
fi
cocoa="yes"
audio_drv_list="coreaudio"
audio_possible_drivers="coreaudio sdl"
LDFLAGS="-framework CoreFoundation -framework IOKit $LDFLAGS"
libs_softmmu="-F/System/Library/Frameworks -framework Cocoa -framework IOKit $libs_softmmu"
# 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 $QEMU_CFLAGS"
HOST_VARIANT_DIR="darwin"
;;
SunOS)
solaris="yes"
make="${MAKE-gmake}"
install="${INSTALL-ginstall}"
ld="gld"
smbd="${SMBD-/usr/sfw/sbin/smbd}"
needs_libsunmath="no"
solarisrev=`uname -r | cut -f2 -d.`
if [ "$cpu" = "i386" -o "$cpu" = "x86_64" ] ; then
if test "$solarisrev" -le 9 ; then
if test -f /opt/SUNWspro/prod/lib/libsunmath.so.1; then
needs_libsunmath="yes"
QEMU_CFLAGS="-I/opt/SUNWspro/prod/include/cc $QEMU_CFLAGS"
LDFLAGS="-L/opt/SUNWspro/prod/lib -R/opt/SUNWspro/prod/lib $LDFLAGS"
LIBS="-lsunmath $LIBS"
else
error_exit "QEMU will not link correctly on Solaris 8/X86 or 9/x86 without" \
"libsunmath from the Sun Studio compilers tools, due to a lack of" \
"C99 math features in libm.so in Solaris 8/x86 and Solaris 9/x86" \
"Studio 11 can be downloaded from www.sun.com."
fi
fi
fi
if test -f /usr/include/sys/soundcard.h ; then
audio_drv_list="oss"
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"
QEMU_CFLAGS="-std=gnu99 $QEMU_CFLAGS"
solarisnetlibs="-lsocket -lnsl -lresolv"
LIBS="$solarisnetlibs $LIBS"
libs_qga="$solarisnetlibs $libs_qga"
;;
AIX)
aix="yes"
make="${MAKE-gmake}"
;;
Haiku)
haiku="yes"
QEMU_CFLAGS="-DB_USE_POSITIVE_POSIX_ERRORS $QEMU_CFLAGS"
LIBS="-lposix_error_mapper -lnetwork $LIBS"
;;
*)
audio_drv_list="oss"
audio_possible_drivers="oss alsa sdl pa"
linux="yes"
linux_user="yes"
kvm="yes"
vhost_net="yes"
vhost_scsi="yes"
QEMU_INCLUDES="-I\$(SRC_PATH)/linux-headers -I$(pwd)/linux-headers $QEMU_INCLUDES"
;;
esac
if [ "$bsd" = "yes" ] ; then
if [ "$darwin" != "yes" ] ; then
bsd_user="yes"
fi
fi
: ${make=${MAKE-make}}
: ${install=${INSTALL-install}}
: ${python=${PYTHON-python}}
: ${smbd=${SMBD-/usr/sbin/smbd}}
# 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"
DSOSUF=".dll"
QEMU_CFLAGS="-DWIN32_LEAN_AND_MEAN -DWINVER=0x501 $QEMU_CFLAGS"
# enable C99/POSIX format strings (needs mingw32-runtime 3.15 or later)
QEMU_CFLAGS="-D__USE_MINGW_ANSI_STDIO=1 $QEMU_CFLAGS"
# MinGW needs -mthreads for TLS and macro _MT.
QEMU_CFLAGS="-mthreads $QEMU_CFLAGS"
LIBS="-lwinmm -lws2_32 -liphlpapi $LIBS"
write_c_skeleton;
if compile_prog "" "-liberty" ; then
LIBS="-liberty $LIBS"
fi
prefix="c:/Program Files/QEMU"
mandir="\${prefix}"
datadir="\${prefix}"
qemu_docdir="\${prefix}"
bindir="\${prefix}"
sysconfdir="\${prefix}"
local_statedir=
confsuffix=""
libs_qga="-lws2_32 -lwinmm -lpowrprof -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="$optarg"
;;
--source-path=*)
;;
--cross-prefix=*)
;;
--cc=*)
;;
--host-cc=*) host_cc="$optarg"
;;
--cxx=*)
;;
--iasl=*) iasl="$optarg"
;;
--objcc=*) objcc="$optarg"
;;
--make=*) make="$optarg"
;;
--install=*) install="$optarg"
;;
--python=*) python="$optarg"
;;
--gcov=*) gcov_tool="$optarg"
;;
--smbd=*) smbd="$optarg"
;;
--extra-cflags=*)
;;
--extra-ldflags=*)
;;
--enable-debug-info)
;;
--disable-debug-info)
;;
--enable-modules)
modules="yes"
;;
--disable-modules)
modules="no"
;;
--cpu=*)
;;
--target-list=*) target_list="$optarg"
;;
--enable-trace-backends=*) trace_backends="$optarg"
;;
# XXX: backwards compatibility
--enable-trace-backend=*) trace_backends="$optarg"
;;
--with-trace-file=*) trace_file="$optarg"
;;
--enable-gprof) gprof="yes"
;;
--enable-gcov) gcov="yes"
;;
--static)
static="yes"
LDFLAGS="-static $LDFLAGS"
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="$optarg"
;;
--with-confsuffix=*) confsuffix="$optarg"
;;
--docdir=*) qemu_docdir="$optarg"
;;
--sysconfdir=*) sysconfdir="$optarg"
;;
--localstatedir=*) local_statedir="$optarg"
;;
--sbindir=*|--sharedstatedir=*|\
--oldincludedir=*|--datarootdir=*|--infodir=*|--localedir=*|\
--htmldir=*|--dvidir=*|--pdfdir=*|--psdir=*)
# These switches are silently ignored, for compatibility with
# autoconf-generated configure scripts. This allows QEMU's
# configure to be used by RPM and similar macros that set
# lots of directory switches by default.
;;
--with-system-pixman) pixman="system"
;;
--without-system-pixman) pixman="internal"
;;
--without-pixman) pixman="none"
;;
--disable-sdl) sdl="no"
;;
--enable-sdl) sdl="yes"
;;
--with-sdlabi=*) sdlabi="$optarg"
;;
--disable-qom-cast-debug) qom_cast_debug="no"
;;
--enable-qom-cast-debug) qom_cast_debug="yes"
;;
--disable-virtfs) virtfs="no"
;;
--enable-virtfs) virtfs="yes"
;;
--disable-vnc) vnc="no"
;;
--enable-vnc) vnc="yes"
;;
--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="yes"
strip_opt="no"
fortify_source="no"
;;
--enable-sparse) sparse="yes"
;;
--disable-sparse) sparse="no"
;;
--disable-strip) strip_opt="no"
;;
--disable-vnc-sasl) vnc_sasl="no"
;;
--enable-vnc-sasl) vnc_sasl="yes"
;;
--disable-vnc-jpeg) vnc_jpeg="no"
;;
--enable-vnc-jpeg) vnc_jpeg="yes"
;;
--disable-vnc-png) vnc_png="no"
;;
--enable-vnc-png) vnc_png="yes"
;;
--disable-slirp) slirp="no"
;;
--disable-uuid) uuid="no"
;;
--enable-uuid) uuid="yes"
;;
--disable-vde) vde="no"
;;
--enable-vde) vde="yes"
;;
--disable-netmap) netmap="no"
;;
--enable-netmap) netmap="yes"
;;
--disable-xen) xen="no"
;;
--enable-xen) xen="yes"
;;
--disable-xen-pci-passthrough) xen_pci_passthrough="no"
;;
--enable-xen-pci-passthrough) xen_pci_passthrough="yes"
;;
--disable-brlapi) brlapi="no"
;;
--enable-brlapi) brlapi="yes"
;;
--disable-bluez) bluez="no"
;;
--enable-bluez) bluez="yes"
;;
--disable-kvm) kvm="no"
;;
--enable-kvm) kvm="yes"
;;
--disable-tcg-interpreter) tcg_interpreter="no"
;;
--enable-tcg-interpreter) tcg_interpreter="yes"
;;
--disable-cap-ng) cap_ng="no"
;;
--enable-cap-ng) cap_ng="yes"
;;
--disable-spice) spice="no"
;;
--enable-spice) spice="yes"
;;
--disable-libiscsi) libiscsi="no"
;;
--enable-libiscsi) libiscsi="yes"
;;
--disable-libnfs) libnfs="no"
;;
--enable-libnfs) libnfs="yes"
;;
--enable-profiler) profiler="yes"
;;
--disable-cocoa) cocoa="no"
;;
--enable-cocoa)
cocoa="yes" ;
audio_drv_list="coreaudio `echo $audio_drv_list | sed s,coreaudio,,g`"
;;
--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-stack-protector) stack_protector="yes"
;;
--disable-stack-protector) stack_protector="no"
;;
--disable-curses) curses="no"