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configure.in
2482 lines (2320 loc) · 89 KB
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dnl Process this file with autoconf to produce a configure script.
AC_INIT(README)
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AC_CONFIG_HEADER(include/SDL_config.h)
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AC_GNU_SOURCE
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AC_CONFIG_AUX_DIRS($srcdir/build-scripts)
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AC_CONFIG_MACRO_DIR([acinclude])
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dnl Save the CFLAGS to see whether they were passed in or generated
orig_CFLAGS="$CFLAGS"
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dnl Set various version strings - taken gratefully from the GTk sources
#
# Making releases:
# Edit include/SDL/SDL_version.h and change the version, then:
# SDL_MICRO_VERSION += 1;
# SDL_INTERFACE_AGE += 1;
# SDL_BINARY_AGE += 1;
# if any functions have been added, set SDL_INTERFACE_AGE to 0.
# if backwards compatibility has been broken,
# set SDL_BINARY_AGE and SDL_INTERFACE_AGE to 0.
#
SDL_MAJOR_VERSION=1
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SDL_MINOR_VERSION=3
SDL_MICRO_VERSION=0
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SDL_INTERFACE_AGE=0
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SDL_BINARY_AGE=0
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SDL_VERSION=$SDL_MAJOR_VERSION.$SDL_MINOR_VERSION.$SDL_MICRO_VERSION
AC_SUBST(SDL_MAJOR_VERSION)
AC_SUBST(SDL_MINOR_VERSION)
AC_SUBST(SDL_MICRO_VERSION)
AC_SUBST(SDL_INTERFACE_AGE)
AC_SUBST(SDL_BINARY_AGE)
AC_SUBST(SDL_VERSION)
# libtool versioning
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LT_INIT([win32-dll])
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LT_RELEASE=$SDL_MAJOR_VERSION.$SDL_MINOR_VERSION
LT_CURRENT=`expr $SDL_MICRO_VERSION - $SDL_INTERFACE_AGE`
LT_REVISION=$SDL_INTERFACE_AGE
LT_AGE=`expr $SDL_BINARY_AGE - $SDL_INTERFACE_AGE`
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m4_pattern_allow([^LT_])
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AC_SUBST(LT_RELEASE)
AC_SUBST(LT_CURRENT)
AC_SUBST(LT_REVISION)
AC_SUBST(LT_AGE)
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dnl Detect the canonical build and host environments
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dnl AC_CANONICAL_HOST
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dnl Check for tools
AC_PROG_LIBTOOL
AC_PROG_CC
AC_PROG_CXX
AC_PROG_INSTALL
AC_PROG_MAKE_SET
if test -z "$host_alias"; then
hostaliaswindres=
else
hostaliaswindres="$host_alias-windres"
fi
AC_CHECK_PROGS(WINDRES, [windres $hostaliaswindres $host_os-windres])
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dnl Set up the compiler and linker flags
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INCLUDE="-I$srcdir/include"
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if test x$srcdir != x.; then
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# Remove SDL_config.h from the source directory, since it's the
# default one, and we want to include the one that we generate.
if test -f $srcdir/include/SDL_config.h; then
rm $srcdir/include/SDL_config.h
fi
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INCLUDE="-Iinclude $INCLUDE"
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fi
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case "$host" in
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*-*-cygwin*)
# We build SDL on cygwin without the UNIX emulation layer
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BASE_CFLAGS="-I/usr/include/mingw -mno-cygwin"
BASE_LDFLAGS="-mno-cygwin"
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;;
*)
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BASE_CFLAGS=""
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BASE_LDFLAGS=""
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;;
esac
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# Uncomment the following line if you want to force SDL and applications
# built with it to be compiled for a particular architecture.
#AX_GCC_ARCHFLAG([no], [BASE_CFLAGS="$BASE_CFLAGS $ax_cv_gcc_archflag]")
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BUILD_CFLAGS="$CFLAGS $CPPFLAGS"
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# The default optimization for SDL 1.3 is -O3 (Bug #31)
if test x$orig_CFLAGS = x; then
BUILD_CFLAGS=`echo $BUILD_CFLAGS | sed 's/-O2/-O3/'`
fi
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EXTRA_CFLAGS="$INCLUDE $BASE_CFLAGS"
BUILD_LDFLAGS="$LDFLAGS"
EXTRA_LDFLAGS="$BASE_LDFLAGS"
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## These are common directories to find software packages
#for path in /usr/freeware /usr/pkg /usr/X11R6 /usr/local; do
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# if test -d $path/include; then
# EXTRA_CFLAGS="$EXTRA_CFLAGS -I$path/include"
# fi
# if test -d $path/lib; then
# EXTRA_LDFLAGS="$EXTRA_LDFLAGS -L$path/lib"
# fi
#done
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SDL_CFLAGS="$BASE_CFLAGS"
SDL_LIBS="-lSDL $BASE_LDFLAGS"
CPPFLAGS="$CPPFLAGS $EXTRA_CFLAGS"
CFLAGS="$CFLAGS $EXTRA_CFLAGS"
LDFLAGS="$LDFLAGS $EXTRA_LDFLAGS"
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dnl set this to use on systems that use lib64 instead of lib
base_libdir=`echo \${libdir} | sed 's/.*\/\(.*\)/\1/; q'`
dnl Function to find a library in the compiler search path
find_lib()
{
gcc_bin_path=[`$CC -print-search-dirs 2>/dev/null | fgrep programs: | sed 's/[^=]*=\(.*\)/\1/' | sed 's/:/ /g'`]
gcc_lib_path=[`$CC -print-search-dirs 2>/dev/null | fgrep libraries: | sed 's/[^=]*=\(.*\)/\1/' | sed 's/:/ /g'`]
env_lib_path=[`echo $LIBS $LDFLAGS $* | sed 's/-L[ ]*//g'`]
if test "$cross_compiling" = yes; then
host_lib_path=""
else
host_lib_path="/usr/$base_libdir /usr/local/$base_libdir"
fi
for path in $gcc_bin_path $gcc_lib_path $env_lib_path $host_lib_path; do
lib=[`ls -- $path/$1 2>/dev/null | sort | sed 's/.*\/\(.*\)/\1/; q'`]
if test x$lib != x; then
echo $lib
return
fi
done
}
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dnl Check for compiler characteristics
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AC_C_CONST
AC_C_INLINE
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AC_C_VOLATILE
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dnl See whether we want assertions for debugging/sanity checking SDL itself.
AC_ARG_ENABLE(assertions,
AC_HELP_STRING([--enable-assertions],
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[Enable internal sanity checks (auto/disabled/release/enabled/paranoid) [[default=auto]]]),
, enable_assertions=auto)
case "$enable_assertions" in
auto) # Use optimization settings to determine assertion level
;;
disabled)
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AC_DEFINE(SDL_DEFAULT_ASSERT_LEVEL, 0, [ ])
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;;
release)
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AC_DEFINE(SDL_DEFAULT_ASSERT_LEVEL, 1, [ ])
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;;
enabled)
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AC_DEFINE(SDL_DEFAULT_ASSERT_LEVEL, 2, [ ])
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;;
paranoid)
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AC_DEFINE(SDL_DEFAULT_ASSERT_LEVEL, 3, [ ])
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;;
*)
AC_MSG_ERROR([*** unknown assertion level. stop.])
;;
esac
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dnl See whether we can use gcc style dependency tracking
AC_ARG_ENABLE(dependency-tracking,
AC_HELP_STRING([--enable-dependency-tracking],
[Use gcc -MMD -MT dependency tracking [[default=yes]]]),
, enable_dependency_tracking=yes)
if test x$enable_dependency_tracking = xyes; then
have_gcc_mmd_mt=no
AC_MSG_CHECKING(for GCC -MMD -MT option)
AC_TRY_COMPILE([
#if !defined(__GNUC__) || __GNUC__ < 3
#error Dependency tracking requires GCC 3.0 or newer
#endif
],[
],[
have_gcc_mmd_mt=yes
])
AC_MSG_RESULT($have_gcc_mmd_mt)
if test x$have_gcc_mmd_mt = xyes; then
DEPENDENCY_TRACKING_OPTIONS="-MMD -MT \$@"
fi
fi
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dnl See whether we are allowed to use the system C library
AC_ARG_ENABLE(libc,
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AC_HELP_STRING([--enable-libc], [Use the system C library [[default=yes]]]),
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, enable_libc=yes)
if test x$enable_libc = xyes; then
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AC_DEFINE(HAVE_LIBC, 1, [ ])
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dnl Check for C library headers
AC_HEADER_STDC
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AC_CHECK_HEADERS(sys/types.h stdio.h stdlib.h stddef.h stdarg.h malloc.h memory.h string.h strings.h inttypes.h stdint.h ctype.h math.h iconv.h signal.h)
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dnl Check for typedefs, structures, etc.
AC_TYPE_SIZE_T
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dnl Check for defines
AC_CHECK_DEFINE(M_PI, math.h)
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dnl Checks for library functions.
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case "$host" in
*-*-cygwin* | *-*-mingw32*)
;;
*)
AC_FUNC_ALLOCA
;;
esac
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AC_FUNC_MEMCMP
if test x$ac_cv_func_memcmp_working = xyes; then
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AC_DEFINE(HAVE_MEMCMP, 1, [ ])
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fi
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AC_FUNC_STRTOD
if test x$ac_cv_func_strtod = xyes; then
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AC_DEFINE(HAVE_STRTOD, 1, [ ])
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fi
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AC_CHECK_FUNC(mprotect,
AC_TRY_COMPILE([
#include <sys/types.h>
#include <sys/mman.h>
],[
],[
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AC_DEFINE(HAVE_MPROTECT, 1, [ ])
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]),
)
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AC_CHECK_FUNCS(malloc calloc realloc free getenv setenv putenv unsetenv qsort abs bcopy memset memcpy memmove strlen strlcpy strlcat strdup _strrev _strupr _strlwr strchr strrchr strstr itoa _ltoa _uitoa _ultoa strtol strtoul _i64toa _ui64toa strtoll strtoull atoi atof strcmp strncmp _stricmp strcasecmp _strnicmp strncasecmp sscanf snprintf vsnprintf sigaction setjmp nanosleep sysconf sysctlbyname)
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AC_CHECK_LIB(m, pow, [LIBS="$LIBS -lm"; EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lm"])
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AC_CHECK_FUNCS(atan atan2 ceil copysign cos cosf fabs floor log pow scalbn sin sinf sqrt)
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AC_CHECK_LIB(iconv, iconv_open, [LIBS="$LIBS -liconv"; EXTRA_LDFLAGS="$EXTRA_LDFLAGS -liconv"])
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AC_CHECK_FUNCS(iconv)
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fi
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AC_CHECK_SIZEOF(void*)
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dnl See whether we can use gcc atomic operations on this architecture
AC_ARG_ENABLE(gcc-atomics,
AC_HELP_STRING([--enable-gcc-atomics],
[Use gcc builtin atomics [[default=yes]]]),
, enable_gcc_atomics=yes)
if test x$enable_gcc_atomics = xyes; then
have_gcc_atomics=no
AC_MSG_CHECKING(for GCC builtin atomic operations)
AC_TRY_LINK([
],[
int a;
void *x, *y, *z;
__sync_lock_test_and_set(&a, 4);
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__sync_lock_test_and_set(&x, y);
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__sync_fetch_and_add(&a, 1);
__sync_bool_compare_and_swap(&a, 5, 10);
__sync_bool_compare_and_swap(&x, y, z);
],[
have_gcc_atomics=yes
])
AC_MSG_RESULT($have_gcc_atomics)
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if test x$have_gcc_atomics = xyes; then
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AC_DEFINE(HAVE_GCC_ATOMICS, 1, [ ])
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else
# See if we have the minimum operation needed for GCC atomics
AC_TRY_LINK([
],[
int a;
__sync_lock_test_and_set(&a, 1);
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__sync_lock_release(&a);
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],[
have_gcc_sync_lock_test_and_set=yes
])
if test x$have_gcc_sync_lock_test_and_set = xyes; then
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AC_DEFINE(HAVE_GCC_SYNC_LOCK_TEST_AND_SET, 1, [ ])
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fi
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fi
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fi
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# Check for pthread implementation
AC_MSG_CHECKING(for pthread spinlock)
have_pthread_spinlock=no
AC_TRY_LINK([
#include <pthread.h>
],[
pthread_spinlock_t a;
pthread_spin_trylock(&a);
pthread_spin_unlock(&a);
],[
have_pthread_spinlock=yes
])
AC_MSG_RESULT($have_pthread_spinlock)
if test x$have_pthread_spinlock = xyes; then
AC_DEFINE(HAVE_PTHREAD_SPINLOCK, 1, [ ])
fi
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# Standard C sources
SOURCES="$SOURCES $srcdir/src/*.c"
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SOURCES="$SOURCES $srcdir/src/atomic/*.c"
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SOURCES="$SOURCES $srcdir/src/audio/*.c"
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SOURCES="$SOURCES $srcdir/src/cpuinfo/*.c"
SOURCES="$SOURCES $srcdir/src/events/*.c"
SOURCES="$SOURCES $srcdir/src/file/*.c"
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SOURCES="$SOURCES $srcdir/src/render/*.c"
SOURCES="$SOURCES $srcdir/src/render/*/*.c"
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SOURCES="$SOURCES $srcdir/src/stdlib/*.c"
SOURCES="$SOURCES $srcdir/src/thread/*.c"
SOURCES="$SOURCES $srcdir/src/timer/*.c"
SOURCES="$SOURCES $srcdir/src/video/*.c"
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dnl Enable/disable various subsystems of the SDL library
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AC_ARG_ENABLE(atomic,
AC_HELP_STRING([--enable-atomic], [Enable the atomic operations subsystem [[default=yes]]]),
, enable_atomic=yes)
if test x$enable_atomic != xyes; then
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AC_DEFINE(SDL_ATOMIC_DISABLED, 1, [ ])
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fi
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AC_ARG_ENABLE(audio,
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AC_HELP_STRING([--enable-audio], [Enable the audio subsystem [[default=yes]]]),
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, enable_audio=yes)
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if test x$enable_audio != xyes; then
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AC_DEFINE(SDL_AUDIO_DISABLED, 1, [ ])
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fi
AC_ARG_ENABLE(video,
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AC_HELP_STRING([--enable-video], [Enable the video subsystem [[default=yes]]]),
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, enable_video=yes)
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if test x$enable_video != xyes; then
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AC_DEFINE(SDL_VIDEO_DISABLED, 1, [ ])
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fi
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AC_ARG_ENABLE(render,
AC_HELP_STRING([--enable-render], [Enable the render subsystem [[default=yes]]]),
, enable_render=yes)
if test x$enable_render != xyes; then
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AC_DEFINE(SDL_RENDER_DISABLED, 1, [ ])
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fi
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AC_ARG_ENABLE(events,
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AC_HELP_STRING([--enable-events], [Enable the events subsystem [[default=yes]]]),
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, enable_events=yes)
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if test x$enable_events != xyes; then
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AC_DEFINE(SDL_EVENTS_DISABLED, 1, [ ])
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fi
AC_ARG_ENABLE(joystick,
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AC_HELP_STRING([--enable-joystick], [Enable the joystick subsystem [[default=yes]]]),
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, enable_joystick=yes)
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if test x$enable_joystick != xyes; then
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AC_DEFINE(SDL_JOYSTICK_DISABLED, 1, [ ])
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else
SOURCES="$SOURCES $srcdir/src/joystick/*.c"
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fi
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AC_ARG_ENABLE(haptic,
AC_HELP_STRING([--enable-haptic], [Enable the haptic (force feedback) subsystem [[default=yes]]]),
, enable_haptic=yes)
if test x$enable_haptic != xyes; then
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AC_DEFINE(SDL_HAPTIC_DISABLED, 1, [ ])
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else
SOURCES="$SOURCES $srcdir/src/haptic/*.c"
fi
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AC_ARG_ENABLE(power,
AC_HELP_STRING([--enable-power], [Enable the power subsystem [[default=yes]]]),
, enable_power=yes)
if test x$enable_power != xyes; then
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AC_DEFINE(SDL_POWER_DISABLED, 1, [ ])
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else
SOURCES="$SOURCES $srcdir/src/power/*.c"
fi
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AC_ARG_ENABLE(threads,
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AC_HELP_STRING([--enable-threads], [Enable the threading subsystem [[default=yes]]]),
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, enable_threads=yes)
if test x$enable_threads != xyes; then
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AC_DEFINE(SDL_THREADS_DISABLED, 1, [ ])
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fi
AC_ARG_ENABLE(timers,
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AC_HELP_STRING([--enable-timers], [Enable the timer subsystem [[default=yes]]]),
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, enable_timers=yes)
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if test x$enable_timers != xyes; then
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AC_DEFINE(SDL_TIMERS_DISABLED, 1, [ ])
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fi
AC_ARG_ENABLE(file,
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AC_HELP_STRING([--enable-file], [Enable the file subsystem [[default=yes]]]),
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, enable_file=yes)
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if test x$enable_file != xyes; then
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AC_DEFINE(SDL_FILE_DISABLED, 1, [ ])
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fi
AC_ARG_ENABLE(loadso,
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AC_HELP_STRING([--enable-loadso], [Enable the shared object loading subsystem [[default=yes]]]),
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, enable_loadso=yes)
if test x$enable_loadso != xyes; then
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AC_DEFINE(SDL_LOADSO_DISABLED, 1, [ ])
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fi
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AC_ARG_ENABLE(cpuinfo,
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AC_HELP_STRING([--enable-cpuinfo], [Enable the cpuinfo subsystem [[default=yes]]]),
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, enable_cpuinfo=yes)
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if test x$enable_cpuinfo != xyes; then
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AC_DEFINE(SDL_CPUINFO_DISABLED, 1, [ ])
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fi
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AC_ARG_ENABLE(atomic,
AC_HELP_STRING([--enable-atomic], [Enable the atomic operations [[default=yes]]]),
, enable_atomic=yes)
if test x$enable_atomic != xyes; then
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AC_DEFINE(SDL_ATOMIC_DISABLED, 1, [ ])
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fi
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AC_ARG_ENABLE(assembly,
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AC_HELP_STRING([--enable-assembly], [Enable assembly routines [[default=yes]]]),
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, enable_assembly=yes)
if test x$enable_assembly = xyes; then
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AC_DEFINE(SDL_ASSEMBLY_ROUTINES, 1, [ ])
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# Make sure that we don't generate floating point code that would
# cause illegal instruction exceptions on older processors
case "$host" in
*-*-darwin*)
# Don't need to worry about Apple hardware, it's all SSE capable
default_ssemath=yes
;;
*64-*-*)
# x86 64-bit architectures all have SSE instructions
default_ssemath=yes
;;
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*)
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default_ssemath=no
;;
esac
AC_ARG_ENABLE(ssemath,
AC_HELP_STRING([--enable-ssemath], [Allow GCC to use SSE floating point math [[default=no]]]),
, enable_ssemath=$default_ssemath)
if test x$enable_ssemath = xno; then
if test x$have_gcc_sse = xyes -o x$have_gcc_sse2 = xyes; then
EXTRA_CFLAGS="$EXTRA_CFLAGS -mfpmath=387"
fi
fi
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dnl Check for various instruction support
AC_ARG_ENABLE(mmx,
AC_HELP_STRING([--enable-mmx], [use MMX assembly routines [[default=yes]]]),
, enable_mmx=yes)
if test x$enable_mmx = xyes; then
save_CFLAGS="$CFLAGS"
have_gcc_mmx=no
AC_MSG_CHECKING(for GCC -mmmx option)
mmx_CFLAGS="-mmmx"
CFLAGS="$save_CFLAGS $mmx_CFLAGS"
AC_TRY_COMPILE([
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#ifdef __MINGW32__
#include <_mingw.h>
#ifdef __MINGW64_VERSION_MAJOR
#include <intrin.h>
#else
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#include <mmintrin.h>
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#endif
#else
#include <mmintrin.h>
#endif
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#ifndef __MMX__
#error Assembler CPP flag not enabled
#endif
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],[
],[
have_gcc_mmx=yes
])
AC_MSG_RESULT($have_gcc_mmx)
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CFLAGS="$save_CFLAGS"
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if test x$have_gcc_mmx = xyes; then
EXTRA_CFLAGS="$EXTRA_CFLAGS $mmx_CFLAGS"
fi
fi
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AC_ARG_ENABLE(3dnow,
AC_HELP_STRING([--enable-3dnow], [use MMX assembly routines [[default=yes]]]),
, enable_3dnow=yes)
if test x$enable_3dnow = xyes; then
save_CFLAGS="$CFLAGS"
have_gcc_3dnow=no
AC_MSG_CHECKING(for GCC -m3dnow option)
amd3dnow_CFLAGS="-m3dnow"
CFLAGS="$save_CFLAGS $amd3dnow_CFLAGS"
AC_TRY_COMPILE([
#include <mm3dnow.h>
#ifndef __3dNOW__
#error Assembler CPP flag not enabled
#endif
],[
],[
have_gcc_3dnow=yes
])
AC_MSG_RESULT($have_gcc_3dnow)
CFLAGS="$save_CFLAGS"
if test x$have_gcc_3dnow = xyes; then
EXTRA_CFLAGS="$EXTRA_CFLAGS $amd3dnow_CFLAGS"
fi
fi
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AC_ARG_ENABLE(sse,
AC_HELP_STRING([--enable-sse], [use SSE assembly routines [[default=yes]]]),
, enable_sse=yes)
if test x$enable_sse = xyes; then
save_CFLAGS="$CFLAGS"
have_gcc_sse=no
AC_MSG_CHECKING(for GCC -msse option)
sse_CFLAGS="-msse"
CFLAGS="$save_CFLAGS $sse_CFLAGS"
AC_TRY_COMPILE([
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#ifdef __MINGW32__
#include <_mingw.h>
#ifdef __MINGW64_VERSION_MAJOR
#include <intrin.h>
#else
#include <xmmintrin.h>
#endif
#else
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#include <xmmintrin.h>
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#endif
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#ifndef __SSE__
#error Assembler CPP flag not enabled
#endif
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],[
],[
have_gcc_sse=yes
])
AC_MSG_RESULT($have_gcc_sse)
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CFLAGS="$save_CFLAGS"
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if test x$have_gcc_sse = xyes; then
EXTRA_CFLAGS="$EXTRA_CFLAGS $sse_CFLAGS"
fi
fi
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AC_ARG_ENABLE(sse2,
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AC_HELP_STRING([--enable-sse2], [use SSE2 assembly routines [[default=no]]]),
, enable_sse2=$default_ssemath)
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if test x$enable_sse2 = xyes; then
save_CFLAGS="$CFLAGS"
have_gcc_sse2=no
AC_MSG_CHECKING(for GCC -msse2 option)
sse2_CFLAGS="-msse2"
CFLAGS="$save_CFLAGS $sse2_CFLAGS"
AC_TRY_COMPILE([
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#ifdef __MINGW32__
#include <_mingw.h>
#ifdef __MINGW64_VERSION_MAJOR
#include <intrin.h>
#else
#include <emmintrin.h>
#endif
#else
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#include <emmintrin.h>
558
#endif
559
560
561
562
563
564
565
566
#ifndef __SSE2__
#error Assembler CPP flag not enabled
#endif
],[
],[
have_gcc_sse2=yes
])
AC_MSG_RESULT($have_gcc_sse2)
567
CFLAGS="$save_CFLAGS"
568
569
570
571
572
if test x$have_gcc_sse2 = xyes; then
EXTRA_CFLAGS="$EXTRA_CFLAGS $sse2_CFLAGS"
fi
fi
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
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597
598
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600
601
602
603
604
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606
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609
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611
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615
616
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619
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621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
AC_ARG_ENABLE(altivec,
AC_HELP_STRING([--enable-altivec], [use Altivec assembly routines [[default=yes]]]),
, enable_altivec=yes)
if test x$enable_altivec = xyes; then
save_CFLAGS="$CFLAGS"
have_gcc_altivec=no
have_altivec_h_hdr=no
altivec_CFLAGS="-maltivec"
CFLAGS="$save_CFLAGS $altivec_CFLAGS"
AC_MSG_CHECKING(for Altivec with GCC altivec.h and -maltivec option)
AC_TRY_COMPILE([
#include <altivec.h>
vector unsigned int vzero() {
return vec_splat_u32(0);
}
],[
],[
have_gcc_altivec=yes
have_altivec_h_hdr=yes
])
AC_MSG_RESULT($have_gcc_altivec)
if test x$have_gcc_altivec = xno; then
AC_MSG_CHECKING(for Altivec with GCC -maltivec option)
AC_TRY_COMPILE([
vector unsigned int vzero() {
return vec_splat_u32(0);
}
],[
],[
have_gcc_altivec=yes
])
AC_MSG_RESULT($have_gcc_altivec)
fi
if test x$have_gcc_altivec = xno; then
AC_MSG_CHECKING(for Altivec with GCC altivec.h and -faltivec option)
altivec_CFLAGS="-faltivec"
CFLAGS="$save_CFLAGS $altivec_CFLAGS"
AC_TRY_COMPILE([
#include <altivec.h>
vector unsigned int vzero() {
return vec_splat_u32(0);
}
],[
],[
have_gcc_altivec=yes
have_altivec_h_hdr=yes
])
AC_MSG_RESULT($have_gcc_altivec)
fi
if test x$have_gcc_altivec = xno; then
AC_MSG_CHECKING(for Altivec with GCC -faltivec option)
AC_TRY_COMPILE([
vector unsigned int vzero() {
return vec_splat_u32(0);
}
],[
],[
have_gcc_altivec=yes
])
AC_MSG_RESULT($have_gcc_altivec)
fi
CFLAGS="$save_CFLAGS"
if test x$have_gcc_altivec = xyes; then
642
AC_DEFINE(SDL_ALTIVEC_BLITTERS, 1, [ ])
643
if test x$have_altivec_h_hdr = xyes; then
644
AC_DEFINE(HAVE_ALTIVEC_H, 1, [ ])
645
646
647
648
fi
EXTRA_CFLAGS="$EXTRA_CFLAGS $altivec_CFLAGS"
fi
fi
649
fi
650
651
652
653
654
dnl See if the OSS audio interface is supported
CheckOSS()
{
AC_ARG_ENABLE(oss,
655
AC_HELP_STRING([--enable-oss], [support the OSS audio API [[default=yes]]]),
656
657
658
659
, enable_oss=yes)
if test x$enable_audio = xyes -a x$enable_oss = xyes; then
AC_MSG_CHECKING(for OSS audio support)
have_oss=no
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
if test x$have_oss != xyes; then
AC_TRY_COMPILE([
#include <sys/soundcard.h>
],[
int arg = SNDCTL_DSP_SETFRAGMENT;
],[
have_oss=yes
])
fi
if test x$have_oss != xyes; then
AC_TRY_COMPILE([
#include <soundcard.h>
],[
int arg = SNDCTL_DSP_SETFRAGMENT;
],[
have_oss=yes
676
AC_DEFINE(SDL_AUDIO_DRIVER_OSS_SOUNDCARD_H, 1, [ ])
677
678
])
fi
679
680
AC_MSG_RESULT($have_oss)
if test x$have_oss = xyes; then
681
AC_DEFINE(SDL_AUDIO_DRIVER_OSS, 1, [ ])
682
683
684
685
SOURCES="$SOURCES $srcdir/src/audio/dsp/*.c"
SOURCES="$SOURCES $srcdir/src/audio/dma/*.c"
have_audio=yes
686
# We may need to link with ossaudio emulation library
687
case "$host" in
688
*-*-openbsd*|*-*-netbsd*)
689
EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lossaudio";;
690
esac
691
692
693
694
695
696
697
698
fi
fi
}
dnl See if the ALSA audio interface is supported
CheckALSA()
{
AC_ARG_ENABLE(alsa,
699
AC_HELP_STRING([--enable-alsa], [support the ALSA audio API [[default=yes]]]),
700
701
, enable_alsa=yes)
if test x$enable_audio = xyes -a x$enable_alsa = xyes; then
702
AM_PATH_ALSA(0.9.0, have_alsa=yes, have_alsa=no)
703
704
705
706
# Restore all flags from before the ALSA detection runs
CFLAGS="$alsa_save_CFLAGS"
LDFLAGS="$alsa_save_LDFLAGS"
LIBS="$alsa_save_LIBS"
707
if test x$have_alsa = xyes; then
708
AC_ARG_ENABLE(alsa-shared,
709
AC_HELP_STRING([--enable-alsa-shared], [dynamically load ALSA audio support [[default=yes]]]),
710
, enable_alsa_shared=yes)
711
alsa_lib=[`find_lib "libasound.so.*" "$ALSA_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
712
713
AC_DEFINE(SDL_AUDIO_DRIVER_ALSA, 1, [ ])
714
SOURCES="$SOURCES $srcdir/src/audio/alsa/*.c"
715
EXTRA_CFLAGS="$EXTRA_CFLAGS $ALSA_CFLAGS"
716
717
if test x$have_loadso != xyes && \
test x$enable_alsa_shared = xyes; then
718
AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic ALSA loading])
719
720
721
fi
if test x$have_loadso = xyes && \
test x$enable_alsa_shared = xyes && test x$alsa_lib != x; then
722
echo "-- dynamic libasound -> $alsa_lib"
723
AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_ALSA_DYNAMIC, "$alsa_lib", [ ])
724
else
725
EXTRA_LDFLAGS="$EXTRA_LDFLAGS $ALSA_LIBS"
726
727
728
729
fi
have_audio=yes
fi
fi
730
731
732
733
734
735
}
dnl Find the ESD includes and libraries
CheckESD()
{
AC_ARG_ENABLE(esd,
736
AC_HELP_STRING([--enable-esd], [support the Enlightened Sound Daemon [[default=yes]]]),
737
738
, enable_esd=yes)
if test x$enable_audio = xyes -a x$enable_esd = xyes; then
739
740
AM_PATH_ESD(0.2.8, have_esd=yes, have_esd=no)
if test x$have_esd = xyes; then
741
AC_ARG_ENABLE(esd-shared,
742
AC_HELP_STRING([--enable-esd-shared], [dynamically load ESD audio support [[default=yes]]]),
743
, enable_esd_shared=yes)
744
esd_lib=[`find_lib "libesd.so.*" "$ESD_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
745
746
AC_DEFINE(SDL_AUDIO_DRIVER_ESD, 1, [ ])
747
SOURCES="$SOURCES $srcdir/src/audio/esd/*.c"
748
EXTRA_CFLAGS="$EXTRA_CFLAGS $ESD_CFLAGS"
749
if test x$have_loadso != xyes && \
750
test x$enable_esd_shared = xyes; then
751
AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic ESD loading])
752
fi
753
if test x$have_loadso = xyes && \
754
test x$enable_esd_shared = xyes && test x$esd_lib != x; then
755
echo "-- dynamic libesd -> $esd_lib"
756
AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_ESD_DYNAMIC, "$esd_lib", [ ])
757
else
758
EXTRA_LDFLAGS="$EXTRA_LDFLAGS $ESD_LIBS"
759
fi
760
have_audio=yes
761
fi
762
763
764
fi
}
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
dnl Find PulseAudio
CheckPulseAudio()
{
AC_ARG_ENABLE(pulseaudio,
AC_HELP_STRING([--enable-pulseaudio], [use PulseAudio [[default=yes]]]),
, enable_pulseaudio=yes)
if test x$enable_audio = xyes -a x$enable_pulseaudio = xyes; then
audio_pulseaudio=no
PULSEAUDIO_REQUIRED_VERSION=0.9
AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
AC_MSG_CHECKING(for PulseAudio $PULSEAUDIO_REQUIRED_VERSION support)
if test x$PKG_CONFIG != xno; then
if $PKG_CONFIG --atleast-pkgconfig-version 0.7 && $PKG_CONFIG --atleast-version $PULSEAUDIO_REQUIRED_VERSION libpulse-simple; then
PULSEAUDIO_CFLAGS=`$PKG_CONFIG --cflags libpulse-simple`
PULSEAUDIO_LIBS=`$PKG_CONFIG --libs libpulse-simple`
audio_pulseaudio=yes
783
fi
784
785
786
787
788
789
790
fi
AC_MSG_RESULT($audio_pulseaudio)
if test x$audio_pulseaudio = xyes; then
AC_ARG_ENABLE(pulseaudio-shared,
AC_HELP_STRING([--enable-pulseaudio-shared], [dynamically load PulseAudio support [[default=yes]]]),
, enable_pulseaudio_shared=yes)
791
pulseaudio_lib=[`find_lib "libpulse-simple.so.*" "$PULSEAUDIO_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
792
793
AC_DEFINE(SDL_AUDIO_DRIVER_PULSEAUDIO, 1, [ ])
794
795
796
797
798
799
800
801
SOURCES="$SOURCES $srcdir/src/audio/pulseaudio/*.c"
EXTRA_CFLAGS="$EXTRA_CFLAGS $PULSEAUDIO_CFLAGS"
if test x$have_loadso != xyes && \
test x$enable_pulseaudio_shared = xyes; then
AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic PulseAudio loading])
fi
if test x$have_loadso = xyes && \
test x$enable_pulseaudio_shared = xyes && test x$pulseaudio_lib != x; then
802
echo "-- dynamic libpulse-simple -> $pulseaudio_lib"
803
AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_PULSEAUDIO_DYNAMIC, "$pulseaudio_lib", [ ])
804
805
806
807
808
809
810
811
else
EXTRA_LDFLAGS="$EXTRA_LDFLAGS $PULSEAUDIO_LIBS"
fi
have_audio=yes
fi
fi
}
812
813
814
CheckARTSC()
{
AC_ARG_ENABLE(arts,
815
AC_HELP_STRING([--enable-arts], [support the Analog Real Time Synthesizer [[default=yes]]]),
816
817
, enable_arts=yes)
if test x$enable_audio = xyes -a x$enable_arts = xyes; then
818
819
AC_PATH_PROG(ARTSCONFIG, artsc-config)
if test x$ARTSCONFIG = x -o x$ARTSCONFIG = x'"$ARTSCONFIG"'; then
820
821
: # arts isn't installed
else
822
823
ARTS_CFLAGS=`$ARTSCONFIG --cflags`
ARTS_LIBS=`$ARTSCONFIG --libs`
824
825
826
AC_MSG_CHECKING(for aRts development environment)
audio_arts=no
save_CFLAGS="$CFLAGS"
827
CFLAGS="$CFLAGS $ARTS_CFLAGS"
828
829
830
831
832
833
834
835
836
837
AC_TRY_COMPILE([
#include <artsc.h>
],[
arts_stream_t stream;
],[
audio_arts=yes
])
CFLAGS="$save_CFLAGS"
AC_MSG_RESULT($audio_arts)
if test x$audio_arts = xyes; then
838
AC_ARG_ENABLE(arts-shared,
839
AC_HELP_STRING([--enable-arts-shared], [dynamically load aRts audio support [[default=yes]]]),
840
, enable_arts_shared=yes)
841
arts_lib=[`find_lib "libartsc.so.*" "$ARTS_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
842
843
AC_DEFINE(SDL_AUDIO_DRIVER_ARTS, 1, [ ])
844
SOURCES="$SOURCES $srcdir/src/audio/arts/*.c"
845
EXTRA_CFLAGS="$EXTRA_CFLAGS $ARTS_CFLAGS"
846
if test x$have_loadso != xyes && \
847
test x$enable_arts_shared = xyes; then
848
AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic ARTS loading])
849
fi
850
if test x$have_loadso = xyes && \
851
test x$enable_arts_shared = xyes && test x$arts_lib != x; then
852
echo "-- dynamic libartsc -> $arts_lib"
853
AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_ARTS_DYNAMIC, "$arts_lib", [ ])
854
else
855
EXTRA_LDFLAGS="$EXTRA_LDFLAGS $ARTS_LIBS"
856
fi
857
have_audio=yes
858
859
860
861
862
863
864
865
866
fi
fi
fi
}
dnl See if the NAS audio interface is supported
CheckNAS()
{
AC_ARG_ENABLE(nas,
867
AC_HELP_STRING([--enable-nas], [support the NAS audio API [[default=yes]]]),
868
, enable_nas=yes)
869
if test x$enable_audio = xyes -a x$enable_nas = xyes; then
870
871
872
AC_CHECK_HEADER(audio/audiolib.h, have_nas_hdr=yes)
AC_CHECK_LIB(audio, AuOpenServer, have_nas_lib=yes)
873
874
AC_MSG_CHECKING(for NAS audio support)
have_nas=no
875
876
877
878
879
880
if test x$have_nas_hdr = xyes -a x$have_nas_lib = xyes; then
have_nas=yes
NAS_LIBS="-laudio"
elif test -r /usr/X11R6/include/audio/audiolib.h; then
881
have_nas=yes
882
NAS_CFLAGS="-I/usr/X11R6/include/"
883
NAS_LIBS="-L/usr/X11R6/lib -laudio -lXt"
884
885
fi
886
887
AC_MSG_RESULT($have_nas)
888
889
if test x$have_nas = xyes; then
890
891
892
AC_ARG_ENABLE(nas-shared,
AC_HELP_STRING([--enable-nas-shared], [dynamically load NAS audio support [[default=yes]]]),
, enable_nas_shared=yes)
893
nas_lib=[`find_lib "libaudio.so.*" "$NAS_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
894
895
896
897
898
899
if test x$have_loadso != xyes && \
test x$enable_nas_shared = xyes; then
AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic NAS loading])
fi
if test x$have_loadso = xyes && \
900
test x$enable_nas_shared = xyes && test x$nas_lib != x; then
901
echo "-- dynamic libaudio -> $nas_lib"
902
AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_NAS_DYNAMIC, "$nas_lib", [ ])
903
904
905
906
else
EXTRA_LDFLAGS="$EXTRA_LDFLAGS $NAS_LIBS"
fi
907
AC_DEFINE(SDL_AUDIO_DRIVER_NAS, 1, [ ])
908
SOURCES="$SOURCES $srcdir/src/audio/nas/*.c"
909
EXTRA_CFLAGS="$EXTRA_CFLAGS $NAS_CFLAGS"
910
911
have_audio=yes
fi
912
913
914
fi
}
915
916
917
918
dnl rcg07142001 See if the user wants the disk writer audio driver...
CheckDiskAudio()
{
AC_ARG_ENABLE(diskaudio,
919
AC_HELP_STRING([--enable-diskaudio], [support the disk writer audio driver [[default=yes]]]),
920
, enable_diskaudio=yes)
921
if test x$enable_audio = xyes -a x$enable_diskaudio = xyes; then
922
AC_DEFINE(SDL_AUDIO_DRIVER_DISK, 1, [ ])
923
SOURCES="$SOURCES $srcdir/src/audio/disk/*.c"
924
925
926
fi
}
927
928
929
930
dnl rcg03142006 See if the user wants the dummy audio driver...
CheckDummyAudio()
{
AC_ARG_ENABLE(dummyaudio,
931
AC_HELP_STRING([--enable-dummyaudio], [support the dummy audio driver [[default=yes]]]),
932
933
, enable_dummyaudio=yes)
if test x$enable_audio = xyes -a x$enable_dummyaudio = xyes; then
934
AC_DEFINE(SDL_AUDIO_DRIVER_DUMMY, 1, [ ])
935
936
937
938
SOURCES="$SOURCES $srcdir/src/audio/dummy/*.c"
fi
}
939
940
941
942
943
944
945
946
947
dnl See if GCC's -fvisibility=hidden is supported (gcc4 and later, usually).
dnl Details of this flag are here: http://gcc.gnu.org/wiki/Visibility
CheckVisibilityHidden()
{
AC_MSG_CHECKING(for GCC -fvisibility=hidden option)
have_gcc_fvisibility=no
visibility_CFLAGS="-fvisibility=hidden"
save_CFLAGS="$CFLAGS"
948
CFLAGS="$save_CFLAGS $visibility_CFLAGS -Werror"
949
AC_TRY_COMPILE([
950
951
952
#if !defined(__GNUC__) || __GNUC__ < 4
#error SDL only uses visibility attributes in GCC 4 or newer
#endif
953
954
955
956
957
958
959
960
],[
],[
have_gcc_fvisibility=yes
])
AC_MSG_RESULT($have_gcc_fvisibility)
CFLAGS="$save_CFLAGS"
if test x$have_gcc_fvisibility = xyes; then
961
EXTRA_CFLAGS="$EXTRA_CFLAGS $visibility_CFLAGS"
962
963
964
965
fi
}
966
967
968
dnl Find the X11 include and library directories
CheckX11()
{
969
970
971
AC_ARG_ENABLE(video-x11,
972
AC_HELP_STRING([--enable-video-x11], [use X11 video driver [[default=yes]]]),
973
974
, enable_video_x11=yes)
if test x$enable_video = xyes -a x$enable_video_x11 = xyes; then
975
case "$host" in
976
977
*-*-darwin*)
# This isn't necessary for X11, but fixes GLX detection
978
if test "x$x_includes" = xNONE && test "x$x_libraries" = xNONE; then
979
980
981
982
983
x_includes="/usr/X11R6/include"
x_libraries="/usr/X11R6/lib"
fi
;;
esac
984
985
986
AC_PATH_X
AC_PATH_XTRA
if test x$have_x = xyes; then
987
988
989
990
991
# Only allow dynamically loaded X11 if the X11 function pointers
# will not end up in the global namespace, which causes problems
# with other libraries calling X11 functions.
x11_symbols_private=$have_gcc_fvisibility
992
AC_ARG_ENABLE(x11-shared,
993
994
AC_HELP_STRING([--enable-x11-shared], [dynamically load X11 support [[default=maybe]]]),
, enable_x11_shared=maybe)
995
996
case "$host" in
997
*-*-darwin*)
998
x11_symbols_private=yes
999
1000
x11_lib='/usr/X11R6/lib/libX11.6.dylib'
x11ext_lib='/usr/X11R6/lib/libXext.6.dylib'