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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
# 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}/${TMPB}.o"
TMPE="${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" "$@"
}
compile_object() {
do_cc $QEMU_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
}
# 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
}
# default parameters
source_path=`dirname "$0"`
cpu=""
static="no"
cross_prefix=""
host_cc="cc"
cc_i386=i386-pc-linux-gnu-gcc
debug_info="yes"
stack_protector=""
# Don't accept a target_list environment variable.
unset target_list
# Default value for a variable defining feature "foo".
# * foo="no" feature will only be used if --enable-foo arg is given
# * foo="" feature will be searched for, and if found, will be used
# unless --disable-foo is given
# * foo="yes" this value will only be set by --enable-foo flag.
# feature will searched for,
# if not found, configure exits with error
#
# Always add --enable-foo and --disable-foo command line args.
# Distributions want to ensure that several features are compiled in, and it
# is impossible without a --enable-foo that exits if a feature is not found.
debug_tcg="no"
debug="no"
strip_opt="yes"
bigendian="no"
mingw32="no"
EXESUF=""
DSOSUF=".so"
LDFLAGS_SHARED="-shared"
bsd="no"
linux="no"
solaris="no"
softmmu="yes"
aix="no"
pie=""
# parse CC options first
for opt do
optarg=`expr "x$opt" : 'x[^=]*=\(.*\)'`
case "$opt" in
--cc=*) CC="$optarg"
;;
--source-path=*) source_path="$optarg"
;;
--cpu=*) cpu="$optarg"
;;
--extra-cflags=*) QEMU_CFLAGS="$optarg $QEMU_CFLAGS"
EXTRA_CFLAGS="$optarg"
;;
--extra-ldflags=*) LDFLAGS="$optarg $LDFLAGS"
EXTRA_LDFLAGS="$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
ar="${AR-${cross_prefix}ar}"
as="${AS-${cross_prefix}as}"
cpp="${CPP-$cc -E}"
objcopy="${OBJCOPY-${cross_prefix}objcopy}"
ld="${LD-${cross_prefix}ld}"
nm="${NM-${cross_prefix}nm}"
strip="${STRIP-${cross_prefix}strip}"
# 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"
else
CFLAGS="-O3 $CFLAGS"
LDFLAGS="-O3 $LDFLAGS"
fi
# make source path absolute
source_path=`cd "$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
}
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|aarch64eb)
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 $targetos in
CYGWIN*)
linux="yes"
;;
MINGW32*)
mingw32="yes"
;;
GNU/kFreeBSD)
bsd="yes"
;;
FreeBSD)
bsd="yes"
make="${MAKE-gmake}"
# needed for kinfo_getvmmap(3) in libutil.h
LIBS="-lutil $LIBS"
;;
DragonFly)
bsd="yes"
make="${MAKE-gmake}"
;;
NetBSD)
bsd="yes"
make="${MAKE-gmake}"
;;
OpenBSD)
bsd="yes"
make="${MAKE-gmake}"
;;
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
# 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}"
ld="gld"
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
# 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 $LIBS"
;;
AIX)
aix="yes"
make="${MAKE-gmake}"
;;
Haiku)
haiku="yes"
QEMU_CFLAGS="-DB_USE_POSITIVE_POSIX_ERRORS $QEMU_CFLAGS"
LIBS="-lposix_error_mapper -lnetwork $LIBS"
;;
*)
linux="yes"
;;
esac
: ${make=${MAKE-make}}
# 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"
LIBS="-lwinmm -lws2_32 -liphlpapi $LIBS"
cat > $TMPC << EOF
int main(void) { return 0; }
EOF
if compile_prog "" "-liberty" ; then
LIBS="-liberty $LIBS"
fi
fi
werror=""
for opt do
optarg=`expr "x$opt" : 'x[^=]*=\(.*\)'`
case "$opt" in
--help|-h) show_help=yes
;;
--version|-V) exec cat $source_path/VERSION
;;
--source-path=*)
;;
--cc=*)
;;
--host-cc=*) host_cc="$optarg"
;;
--objcc=*) objcc="$optarg"
;;
--make=*) make="$optarg"
;;
--extra-cflags=*)
;;
--extra-ldflags=*)
;;
--enable-debug-info)
;;
--disable-debug-info)
;;
--cpu=*)
;;
--target-list=*) target_list="$optarg"
;;
--static)
static="yes"
LDFLAGS="-static $LDFLAGS"
;;
--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"
;;
--disable-strip) strip_opt="no"
;;
--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"
;;
*)
echo "ERROR: unknown option $opt"
echo "Try '$0 --help' for more information"
exit 1
;;
esac
done
case "$cpu" in
ppc)
CPU_CFLAGS="-m32"
LDFLAGS="-m32 $LDFLAGS"
;;
ppc64)
CPU_CFLAGS="-m64"
LDFLAGS="-m64 $LDFLAGS"
;;
sparc)
LDFLAGS="-m32 $LDFLAGS"
CPU_CFLAGS="-m32 -mcpu=ultrasparc"
;;
sparc64)
LDFLAGS="-m64 $LDFLAGS"
CPU_CFLAGS="-m64 -mcpu=ultrasparc"
;;
s390)
CPU_CFLAGS="-m31"
LDFLAGS="-m31 $LDFLAGS"
;;
s390x)
CPU_CFLAGS="-m64"
LDFLAGS="-m64 $LDFLAGS"
;;
i386)
CPU_CFLAGS="-m32"
LDFLAGS="-m32 $LDFLAGS"
cc_i386='$(CC) -m32'
;;
x86_64)
CPU_CFLAGS="-m64"
LDFLAGS="-m64 $LDFLAGS"
cc_i386='$(CC) -m32'
;;
x32)
CPU_CFLAGS="-mx32"
LDFLAGS="-mx32 $LDFLAGS"
cc_i386='$(CC) -m32'
;;
# No special flags required for other host CPUs
esac
QEMU_CFLAGS="$CPU_CFLAGS $QEMU_CFLAGS"
EXTRA_CFLAGS="$CPU_CFLAGS $EXTRA_CFLAGS"
default_target_list=""
mak_wilds=""
if [ "$softmmu" = "yes" ]; then
mak_wilds="${mak_wilds} $source_path/default-configs/*-softmmu.mak"
fi
for config in $mak_wilds; do
default_target_list="${default_target_list} $(basename "$config" .mak)"
done
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
--target-list=LIST set target list (default: build everything)
$(echo Available targets: $default_target_list | \
fold -s -w 53 | sed -e 's/^/ /')
Advanced options (experts only):
--source-path=PATH path of source code [$source_path]
--cc=CC use C compiler CC [$cc]
--host-cc=CC use C compiler CC [$host_cc] for code run at
build time
--objcc=OBJCC use Objective-C compiler OBJCC [$objcc]
--extra-cflags=CFLAGS append extra C compiler flags QEMU_CFLAGS
--extra-ldflags=LDFLAGS append extra linker flags LDFLAGS
--make=MAKE use specified make [$make]
--static enable static build [$static]
--enable-debug-tcg enable TCG debugging
--disable-debug-tcg disable TCG debugging (default)
--enable-debug-info enable debugging information (default)
--disable-debug-info disable debugging information
--enable-debug enable common debug build options
--disable-strip disable stripping binaries
--disable-werror disable compilation abort on warning
--disable-stack-protector disable compiler-provided stack protection
--enable-pie build Position Independent Executables
--disable-pie do not build Position Independent Executables
--cpu=CPU Build for host CPU [$cpu]
NOTE: The object files are built at the place where configure is launched
EOF
exit 0
fi
# Consult white-list to determine whether to enable werror
# by default. Only enable by default for git builds
z_version=`cut -f3 -d. $source_path/VERSION`
if test -z "$werror" ; then
if test -d "$source_path/.git" -a \
"$linux" = "yes" ; then
werror="yes"
else
werror="no"
fi
fi
# check that the C compiler works.
cat > $TMPC <<EOF
int main(void) { return 0; }
EOF
if compile_object ; then
: C compiler works ok
else
error_exit "\"$cc\" either does not exist or does not work"
fi
gcc_flags="-Wold-style-declaration -Wold-style-definition -Wtype-limits"
gcc_flags="-Wformat-security -Wformat-y2k -Winit-self -Wignored-qualifiers $gcc_flags"
gcc_flags="-Wmissing-include-dirs -Wempty-body -Wnested-externs $gcc_flags"
gcc_flags="-Wendif-labels $gcc_flags"
gcc_flags="-Wno-initializer-overrides $gcc_flags"
gcc_flags="-Wno-string-plus-int $gcc_flags"
# Note that we do not add -Werror to gcc_flags here, 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.
cat > $TMPC << EOF
int main(void) { return 0; }
EOF
for flag in $gcc_flags; do
# Use the positive sense of the flag when testing for -Wno-wombat
# support (gcc will happily accept the -Wno- form of unknown
# warning options).
optflag="$(echo $flag | sed -e 's/^-Wno-/-W/')"
if compile_prog "-Werror $optflag" "" ; then
QEMU_CFLAGS="$QEMU_CFLAGS $flag"
fi
done
if test "$stack_protector" != "no"; then
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 do_cc $QEMU_CFLAGS -Werror $flag -c -o $TMPO $TMPC &&
compile_prog "-Werror $flag" ""; then
QEMU_CFLAGS="$QEMU_CFLAGS $flag"
sp_on=1
break
fi
done
if test "$stack_protector" = yes; then
if test $sp_on = 0; then
error_exit "Stack protector not supported"
fi
fi
fi
# Workaround for http://gcc.gnu.org/PR55489. Happens with -fPIE/-fPIC and
# large functions that use global variables. The bug is in all releases of
# GCC, but it became particularly acute in 4.6.x and 4.7.x. It is fixed in
# 4.7.3 and 4.8.0. We should be able to delete this at the end of 2013.
cat > $TMPC << EOF
#if __GNUC__ == 4 && (__GNUC_MINOR__ == 6 || (__GNUC_MINOR__ == 7 && __GNUC_PATCHLEVEL__ <= 2))
int main(void) { return 0; }
#else
#error No bug in this compiler.
#endif
EOF
if compile_prog "-Werror -fno-gcse" "" ; then
TRANSLATE_OPT_CFLAGS=-fno-gcse
fi
if test "$static" = "yes" ; then
if test "$pie" = "yes" ; then
error_exit "static and pie are mutually incompatible"
else
pie="no"
fi
fi
if test "$pie" = ""; then
case "$cpu-$targetos" in
i386-Linux|x86_64-Linux|x32-Linux|i386-OpenBSD|x86_64-OpenBSD)
;;
*)
pie="no"
;;
esac
fi
if test "$pie" != "no" ; then
cat > $TMPC << EOF
#ifdef __linux__
# define THREAD __thread
#else
# define THREAD
#endif
static THREAD int tls_var;
int main(void) { return tls_var; }
EOF
if compile_prog "-fPIE -DPIE" "-pie"; then
QEMU_CFLAGS="-fPIE -DPIE $QEMU_CFLAGS"
LDFLAGS="-pie $LDFLAGS"
pie="yes"
if compile_prog "" "-Wl,-z,relro -Wl,-z,now" ; then
LDFLAGS="-Wl,-z,relro -Wl,-z,now $LDFLAGS"
fi
else
if test "$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
fi
if compile_prog "-fno-pie" "-nopie"; then
CFLAGS_NOPIE="-fno-pie"
LDFLAGS_NOPIE="-nopie"
fi
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 -z "${target_list+xxx}" ; then
target_list="$default_target_list"
else
target_list=`echo "$target_list" | sed -e 's/,/ /g'`
fi
# Check that we recognised the target name; this allows a more
# friendly error message than if we let it fall through.
for target in $target_list; do
case " $default_target_list " in
*" $target "*)
;;
*)
error_exit "Unknown target name '$target'"
;;
esac
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 grep -q BiGeNdIaN $TMPO ; then
bigendian="yes"
elif grep -q LiTtLeEnDiAn $TMPO ; then
bigendian="no"
else
echo big/little test failed
fi
else
echo big/little test failed
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
found=no
for lib_entry in $LIBS; do
if test "$lib_entry" = "$pthread_lib"; then
found=yes
break
fi
done
if test "$found" = "no"; then
LIBS="$pthread_lib $LIBS"
fi
break
fi
done
fi
if test "$mingw32" != yes -a "$pthread" = no; then
error_exit "pthread check failed" \
"Make sure to have the pthread libs and headers installed."
fi
# Search for bswap_32 function
byteswap_h=no
cat > $TMPC << EOF
#include <byteswap.h>
int main(void) { return bswap_32(0); }
EOF
if compile_prog "" "" ; then
byteswap_h=yes
fi
# Search for bswap32 function
bswap_h=no
cat > $TMPC << EOF
#include <sys/endian.h>
#include <sys/types.h>
#include <machine/bswap.h>
int main(void) { return bswap32(0); }
EOF
if compile_prog "" "" ; then
bswap_h=yes
fi
##########################################
# Do we need libm
cat > $TMPC << EOF
#include <math.h>
int main(int argc, char **argv) { return isnan(sin((double)argc)); }
EOF
if compile_prog "" "" ; then
:
elif compile_prog "" "-lm" ; then
LIBS="-lm $LIBS"
else
error_exit "libm check failed"
fi
##########################################
# Do we need librt
# uClibc provides 2 versions of clock_gettime(), one with realtime
# support and one without. This means that the clock_gettime() don't
# need -lrt. We still need it for timer_create() so we check for this
# function in addition.
cat > $TMPC <<EOF
#include <signal.h>
#include <time.h>
int main(void) {
timer_create(CLOCK_REALTIME, NULL, NULL);
return clock_gettime(CLOCK_REALTIME, NULL);
}
EOF
if compile_prog "" "" ; then
:
# we need pthread for static linking. use previous pthread test result
elif compile_prog "" "$pthread_lib -lrt" ; then
LIBS="$LIBS -lrt"
fi
########################################
# check if we have valgrind/valgrind.h
valgrind_h=no
cat > $TMPC << EOF
#include <valgrind/valgrind.h>
int main(void) {
return 0;
}
EOF
if compile_prog "" "" ; then
valgrind_h=yes
fi
########################################
# check if cpuid.h is usable.
cpuid_h=no
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
########################################
# check if __[u]int128_t is usable.
int128=no
cat > $TMPC << EOF
#if defined(__clang_major__) && defined(__clang_minor__)
# if ((__clang_major__ < 3) || (__clang_major__ == 3) && (__clang_minor__ < 2))
# error __int128_t does not work in CLANG before 3.2
# endif
#endif
__int128_t a;
__uint128_t b;
int main (void) {
a = a + b;
b = a * b;
a = a * a;
return 0;
}
EOF
if compile_prog "" "" ; then
int128=yes
fi
# Now we've finished running tests it's OK to add -Werror to the compiler flags
if test "$werror" = "yes"; then
QEMU_CFLAGS="-Werror $QEMU_CFLAGS"
fi
if test "$solaris" = "no" ; then
if $ld --version 2>/dev/null | grep "GNU ld" >/dev/null 2>/dev/null ; then
LDFLAGS="-Wl,--warn-common $LDFLAGS"
fi
fi
# Use ASLR, no-SEH and DEP if available
if test "$mingw32" = "yes" ; then
for flag in --dynamicbase --no-seh --nxcompat; do
if $ld --help 2>/dev/null | grep ".$flag" >/dev/null 2>/dev/null ; then
LDFLAGS="-Wl,$flag $LDFLAGS"
fi
done
fi
echo "Source path $source_path"
echo "C compiler $cc"
echo "Host C compiler $host_cc"
echo "Objective-C compiler $objcc"
echo "ARFLAGS $ARFLAGS"
echo "CFLAGS $CFLAGS"
echo "QEMU_CFLAGS $QEMU_CFLAGS"
echo "LDFLAGS $LDFLAGS"
echo "make $make"
echo "host CPU $cpu"
echo "host big endian $bigendian"
echo "target list $target_list"
echo "tcg debug enabled $debug_tcg"
echo "strip binaries $strip_opt"
echo "static build $static"
echo "mingw32 support $mingw32"
if test -n "$sparc_cpu"; then
echo "Target Sparc Arch $sparc_cpu"
fi
echo "PIE $pie"
config_host_mak="config-host.mak"
echo "# Automatically generated by configure - do not modify" > $config_host_mak
echo >> $config_host_mak
echo all: >> $config_host_mak
echo "extra_cflags=$EXTRA_CFLAGS" >> $config_host_mak
echo "extra_ldflags=$EXTRA_LDFLAGS" >> $config_host_mak
echo "ARCH=$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
rc_version=`cat $source_path/VERSION`
version_major=${rc_version%%.*}
rc_version=${rc_version#*.}
version_minor=${rc_version%%.*}
rc_version=${rc_version#*.}
version_subminor=${rc_version%%.*}
version_micro=0
echo "CONFIG_FILEVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
echo "CONFIG_PRODUCTVERSION=$version_major,$version_minor,$version_subminor,$version_micro" >> $config_host_mak
else
echo "CONFIG_POSIX=y" >> $config_host_mak
fi
if test "$linux" = "yes" ; then
echo "CONFIG_LINUX=y" >> $config_host_mak
fi
if test "$solaris" = "yes" ; then
echo "CONFIG_SOLARIS=y" >> $config_host_mak
echo "CONFIG_SOLARIS_VERSION=$solarisrev" >> $config_host_mak
if test "$needs_libsunmath" = "yes" ; then
echo "CONFIG_NEEDS_LIBSUNMATH=y" >> $config_host_mak
fi
fi
if test "$static" = "yes" ; then
echo "CONFIG_STATIC=y" >> $config_host_mak
fi
echo "SRC_PATH=$source_path" >> $config_host_mak
echo "TARGET_DIRS=$target_list" >> $config_host_mak
if test "$byteswap_h" = "yes" ; then
echo "CONFIG_BYTESWAP_H=y" >> $config_host_mak
fi
if test "$bswap_h" = "yes" ; then
echo "CONFIG_MACHINE_BSWAP_H=y" >> $config_host_mak
fi
# XXX: suppress that
if [ "$bsd" = "yes" ] ; then
echo "CONFIG_BSD=y" >> $config_host_mak
fi
if test "$valgrind_h" = "yes" ; then
echo "CONFIG_VALGRIND_H=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" >> $config_host_mak
fi
if test "$ARCH" = "sparc64" ; then
QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/sparc $QEMU_INCLUDES"
elif test "$ARCH" = "s390x" ; then
QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/s390 $QEMU_INCLUDES"
elif test "$ARCH" = "x86_64" -o "$ARCH" = "x32" ; then
QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/i386 $QEMU_INCLUDES"
elif test "$ARCH" = "ppc64" ; then
QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/ppc $QEMU_INCLUDES"
else
QEMU_INCLUDES="-I\$(SRC_PATH)/tcg/\$(ARCH) $QEMU_INCLUDES"
fi
QEMU_INCLUDES="-I\$(SRC_PATH)/tcg $QEMU_INCLUDES"
echo "MAKE=$make" >> $config_host_mak
echo "CC=$cc" >> $config_host_mak
echo "CC_I386=$cc_i386" >> $config_host_mak
echo "HOST_CC=$host_cc" >> $config_host_mak
echo "OBJCC=$objcc" >> $config_host_mak
echo "AR=$ar" >> $config_host_mak
echo "ARFLAGS=$ARFLAGS" >> $config_host_mak
echo "AS=$as" >> $config_host_mak
echo "CPP=$cpp" >> $config_host_mak
echo "OBJCOPY=$objcopy" >> $config_host_mak
echo "LD=$ld" >> $config_host_mak
echo "NM=$nm" >> $config_host_mak
echo "CFLAGS=$CFLAGS" >> $config_host_mak
echo "CFLAGS_NOPIE=$CFLAGS_NOPIE" >> $config_host_mak
echo "QEMU_CFLAGS=$QEMU_CFLAGS" >> $config_host_mak
echo "QEMU_INCLUDES=$QEMU_INCLUDES" >> $config_host_mak
echo "LDFLAGS=$LDFLAGS" >> $config_host_mak
echo "LDFLAGS_NOPIE=$LDFLAGS_NOPIE" >> $config_host_mak
echo "LIBS+=$LIBS" >> $config_host_mak
echo "EXESUF=$EXESUF" >> $config_host_mak
echo "DSOSUF=$DSOSUF" >> $config_host_mak
echo "LDFLAGS_SHARED=$LDFLAGS_SHARED" >> $config_host_mak
echo "TRANSLATE_OPT_CFLAGS=$TRANSLATE_OPT_CFLAGS" >> $config_host_mak
for target in $target_list; do
target_dir="$target"
config_target_mak=$target_dir/config-target.mak
target_name=`echo $target | cut -d '-' -f 1`
target_bigendian="no"
case "$target_name" in
aarch64eb|armeb|lm32|m68k|microblaze|mips|mipsn32|mips64|moxie|or32|ppc|ppcemb|ppc64|ppc64abi32|s390x|sh4eb|sparc|sparc64|sparc32plus|xtensaeb)
target_bigendian=yes
;;
esac
target_softmmu="yes"
case "$target" in
${target_name}-softmmu)
target_softmmu="yes"
;;
*)
error_exit "Target '$target' not recognised"
exit 1
;;
esac
mkdir -p $target_dir
echo "# Automatically generated by configure - do not modify" > $config_target_mak
bflt="no"
TARGET_ARCH="$target_name"
TARGET_BASE_ARCH=""
case "$target_name" in
i386)
;;
x86_64)
TARGET_BASE_ARCH=i386
;;
alpha)
;;
arm|armeb)
TARGET_ARCH=arm
bflt="yes"
;;
aarch64|aarch64eb)
TARGET_BASE_ARCH=arm
TARGET_ARCH=aarch64
bflt="yes"
;;
cris)
;;
lm32)
;;
m68k)
bflt="yes"
;;
microblaze|microblazeel)
TARGET_ARCH=microblaze
bflt="yes"
;;
mips|mipsel)
TARGET_ARCH=mips
echo "TARGET_ABI_MIPSO32=y" >> $config_target_mak
;;
mipsn32|mipsn32el)
TARGET_ARCH=mips64
TARGET_BASE_ARCH=mips
echo "TARGET_ABI_MIPSN32=y" >> $config_target_mak
echo "TARGET_ABI32=y" >> $config_target_mak
;;
mips64|mips64el)
TARGET_ARCH=mips64
TARGET_BASE_ARCH=mips
echo "TARGET_ABI_MIPSN64=y" >> $config_target_mak
;;
tricore)
;;
moxie)
;;
or32)
TARGET_ARCH=openrisc
TARGET_BASE_ARCH=openrisc
;;
ppc)
;;
ppcemb)
TARGET_BASE_ARCH=ppc
;;
ppc64)
TARGET_BASE_ARCH=ppc
;;
ppc64le)
TARGET_ARCH=ppc64
TARGET_BASE_ARCH=ppc
;;
ppc64abi32)
TARGET_ARCH=ppc64
TARGET_BASE_ARCH=ppc
echo "TARGET_ABI32=y" >> $config_target_mak
;;
sh4|sh4eb)
TARGET_ARCH=sh4
bflt="yes"
;;
sparc)
;;
sparc64)
TARGET_BASE_ARCH=sparc
;;
sparc32plus)
TARGET_ARCH=sparc64
TARGET_BASE_ARCH=sparc
echo "TARGET_ABI32=y" >> $config_target_mak
;;
s390x)
;;
unicore32)
;;
xtensa|xtensaeb)
TARGET_ARCH=xtensa
;;
*)
error_exit "Unsupported target CPU"
;;
esac
# TARGET_BASE_ARCH needs to be defined after TARGET_ARCH
if [ "$TARGET_BASE_ARCH" = "" ]; then
TARGET_BASE_ARCH=$TARGET_ARCH
fi
symlink "$source_path/Makefile.target" "$target_dir/Makefile"
upper() {
echo "$@"| LC_ALL=C tr '[a-z]' '[A-Z]'
}
target_arch_name="`upper $TARGET_ARCH`"
echo "TARGET_$target_arch_name=y" >> $config_target_mak
echo "TARGET_NAME=$target_name" >> $config_target_mak
echo "TARGET_BASE_ARCH=$TARGET_BASE_ARCH" >> $config_target_mak
if test "$target_bigendian" = "yes" ; then
echo "TARGET_WORDS_BIGENDIAN=y" >> $config_target_mak
fi
if test "$target_softmmu" = "yes" ; then
echo "CONFIG_SOFTMMU=y" >> $config_target_mak
fi
# generate QEMU_CFLAGS/LDFLAGS for targets
cflags=""
ldflags=""
case "$ARCH" in
alpha)
# Ensure there's only a single GP
cflags="-msmall-data $cflags"
;;
esac
echo "LDFLAGS+=$ldflags" >> $config_target_mak
echo "QEMU_CFLAGS+=$cflags" >> $config_target_mak
echo "QEMU_CFLAGS+=-include ${target_name}.h" >> $config_target_mak
done # for target in $targets
# 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
printf "exec" >>config.status
printf " '%s'" "$0" "$@" >>config.status
echo >>config.status
chmod +x config.status
rm -r "$TMPDIR1"
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