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configure.in
2556 lines (2395 loc) · 89.4 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($srcdir/build-scripts)
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dnl Save the CFLAGS to see whether they were passed in or generated
orig_CFLAGS="$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)
AC_DEFINE(SDL_DEFAULT_ASSERT_LEVEL, 0)
;;
release)
AC_DEFINE(SDL_DEFAULT_ASSERT_LEVEL, 1)
;;
enabled)
AC_DEFINE(SDL_DEFAULT_ASSERT_LEVEL, 2)
;;
paranoid)
AC_DEFINE(SDL_DEFAULT_ASSERT_LEVEL, 3)
;;
*)
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
AC_DEFINE(HAVE_LIBC)
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
if test x$ac_cv_header_inttypes_h = xyes -o x$ac_cv_header_stdint_h = xyes; then
AC_CHECK_TYPE(int64_t)
if test x$ac_cv_type_int64_t = xyes; then
AC_DEFINE(SDL_HAS_64BIT_TYPE)
fi
have_inttypes=yes
fi
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dnl Check for defines
AC_CHECK_DEFINE(M_PI, math.h)
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dnl Checks for library functions.
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case "$host" in
*-*-cygwin* | *-*-mingw32*)
;;
*)
AC_FUNC_ALLOCA
;;
esac
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AC_FUNC_MEMCMP
if test x$ac_cv_func_memcmp_working = xyes; then
AC_DEFINE(HAVE_MEMCMP)
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fi
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AC_FUNC_STRTOD
if test x$ac_cv_func_strtod = xyes; then
AC_DEFINE(HAVE_STRTOD)
fi
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AC_CHECK_FUNC(mprotect,
AC_TRY_COMPILE([
#include <sys/types.h>
#include <sys/mman.h>
],[
],[
AC_DEFINE(HAVE_MPROTECT)
]),
)
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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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if test x$have_inttypes != xyes; then
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AC_CHECK_SIZEOF(char, 1)
AC_CHECK_SIZEOF(short, 2)
AC_CHECK_SIZEOF(int, 4)
AC_CHECK_SIZEOF(long, 4)
AC_CHECK_SIZEOF(long long, 8)
if test x$ac_cv_sizeof_char = x1; then
AC_DEFINE(int8_t, signed char)
AC_DEFINE(uint8_t, unsigned char)
fi
if test x$ac_cv_sizeof_short = x2; then
AC_DEFINE(int16_t, signed short)
AC_DEFINE(uint16_t, unsigned short)
else
if test x$ac_cv_sizeof_int = x2; then
AC_DEFINE(int16_t, signed int)
AC_DEFINE(uint16_t, unsigned int)
fi
fi
if test x$ac_cv_sizeof_int = x4; then
AC_DEFINE(int32_t, signed int)
AC_DEFINE(uint32_t, unsigned int)
else
if test x$ac_cv_sizeof_long = x4; then
AC_DEFINE(int32_t, signed long)
AC_DEFINE(uint32_t, unsigned long)
fi
fi
if test x$ac_cv_sizeof_long = x8; then
AC_DEFINE(int64_t, signed long)
AC_DEFINE(uint64_t, unsigned long)
AC_DEFINE(SDL_HAS_64BIT_TYPE)
else
if test x$ac_cv_sizeof_long_long = x8; then
AC_DEFINE(int64_t, signed long long)
AC_DEFINE(uint64_t, unsigned long long)
AC_DEFINE(SDL_HAS_64BIT_TYPE)
fi
fi
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AC_DEFINE(size_t, unsigned int)
AC_DEFINE(uintptr_t, unsigned long)
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fi
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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$have_gcc_atomics = xyes; then
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AC_DEFINE(HAVE_GCC_ATOMICS)
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else
# See if we have the minimum operation needed for GCC atomics
AC_TRY_LINK([
],[
int a;
__sync_lock_test_and_set(&a, 1);
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__sync_lock_release(&a);
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],[
have_gcc_sync_lock_test_and_set=yes
])
if test x$have_gcc_sync_lock_test_and_set = xyes; then
AC_DEFINE(HAVE_GCC_SYNC_LOCK_TEST_AND_SET)
fi
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fi
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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
AC_DEFINE(SDL_ATOMIC_DISABLED)
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$enable_audio != xyes; then
AC_DEFINE(SDL_AUDIO_DISABLED)
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fi
AC_ARG_ENABLE(video,
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AC_HELP_STRING([--enable-video], [Enable the video subsystem [[default=yes]]]),
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, enable_video=yes)
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if test x$enable_video != xyes; then
AC_DEFINE(SDL_VIDEO_DISABLED)
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fi
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$enable_events != xyes; then
AC_DEFINE(SDL_EVENTS_DISABLED)
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fi
AC_ARG_ENABLE(joystick,
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AC_HELP_STRING([--enable-joystick], [Enable the joystick subsystem [[default=yes]]]),
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, enable_joystick=yes)
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if test x$enable_joystick != xyes; then
AC_DEFINE(SDL_JOYSTICK_DISABLED)
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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
AC_DEFINE(SDL_HAPTIC_DISABLED)
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
AC_DEFINE(SDL_POWER_DISABLED)
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)
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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$enable_timers != xyes; then
AC_DEFINE(SDL_TIMERS_DISABLED)
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fi
AC_ARG_ENABLE(file,
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AC_HELP_STRING([--enable-file], [Enable the file subsystem [[default=yes]]]),
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, enable_file=yes)
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if test x$enable_file != xyes; then
AC_DEFINE(SDL_FILE_DISABLED)
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$enable_loadso != xyes; then
AC_DEFINE(SDL_LOADSO_DISABLED)
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fi
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AC_ARG_ENABLE(cpuinfo,
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AC_HELP_STRING([--enable-cpuinfo], [Enable the cpuinfo subsystem [[default=yes]]]),
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, enable_cpuinfo=yes)
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if test x$enable_cpuinfo != xyes; then
AC_DEFINE(SDL_CPUINFO_DISABLED)
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$enable_atomic != xyes; then
AC_DEFINE(SDL_ATOMIC_DISABLED)
fi
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AC_ARG_ENABLE(assembly,
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AC_HELP_STRING([--enable-assembly], [Enable assembly routines [[default=yes]]]),
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, enable_assembly=yes)
if test x$enable_assembly = xyes; then
AC_DEFINE(SDL_ASSEMBLY_ROUTINES)
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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)
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CFLAGS="$save_CFLAGS"
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if test x$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 $sse_CFLAGS"
fi
fi
561
AC_ARG_ENABLE(sse2,
562
563
AC_HELP_STRING([--enable-sse2], [use SSE2 assembly routines [[default=no]]]),
, enable_sse2=$default_ssemath)
564
565
566
567
568
569
570
571
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 $sse2_CFLAGS"
AC_TRY_COMPILE([
572
573
574
575
576
577
578
579
#ifdef __MINGW32__
#include <_mingw.h>
#ifdef __MINGW64_VERSION_MAJOR
#include <intrin.h>
#else
#include <emmintrin.h>
#endif
#else
580
#include <emmintrin.h>
581
#endif
582
583
584
585
586
587
588
589
#ifndef __SSE2__
#error Assembler CPP flag not enabled
#endif
],[
],[
have_gcc_sse2=yes
])
AC_MSG_RESULT($have_gcc_sse2)
590
CFLAGS="$save_CFLAGS"
591
592
593
594
595
596
if test x$have_gcc_sse2 = xyes; then
EXTRA_CFLAGS="$EXTRA_CFLAGS $sse2_CFLAGS"
fi
fi
597
598
599
600
601
602
AC_ARG_ENABLE(altivec,
AC_HELP_STRING([--enable-altivec], [use Altivec assembly routines [[default=yes]]]),
, enable_altivec=yes)
if test x$enable_altivec = xyes; then
save_CFLAGS="$CFLAGS"
have_gcc_altivec=no
603
have_altivec_h_hdr=no
604
605
606
altivec_CFLAGS="-maltivec"
CFLAGS="$save_CFLAGS $altivec_CFLAGS"
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
AC_MSG_CHECKING(for Altivec with GCC altivec.h and -maltivec option)
AC_TRY_COMPILE([
#include <altivec.h>
vector unsigned int vzero() {
return vec_splat_u32(0);
}
],[
],[
have_gcc_altivec=yes
have_altivec_h_hdr=yes
])
AC_MSG_RESULT($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)
631
632
633
fi
if test x$have_gcc_altivec = xno; then
634
AC_MSG_CHECKING(for Altivec with GCC altivec.h and -faltivec option)
635
636
altivec_CFLAGS="-faltivec"
CFLAGS="$save_CFLAGS $altivec_CFLAGS"
637
638
639
640
641
642
643
644
645
646
647
AC_TRY_COMPILE([
#include <altivec.h>
vector unsigned int vzero() {
return vec_splat_u32(0);
}
],[
],[
have_gcc_altivec=yes
have_altivec_h_hdr=yes
])
AC_MSG_RESULT($have_gcc_altivec)
648
fi
649
650
651
652
653
654
655
656
657
658
659
660
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)
661
662
663
664
665
666
667
668
669
670
671
fi
CFLAGS="$save_CFLAGS"
if test x$have_gcc_altivec = xyes; then
AC_DEFINE(SDL_ALTIVEC_BLITTERS)
if test x$have_altivec_h_hdr = xyes; then
AC_DEFINE(HAVE_ALTIVEC_H)
fi
EXTRA_CFLAGS="$EXTRA_CFLAGS $altivec_CFLAGS"
fi
fi
672
fi
673
674
675
676
677
dnl See if the OSS audio interface is supported
CheckOSS()
{
AC_ARG_ENABLE(oss,
678
AC_HELP_STRING([--enable-oss], [support the OSS audio API [[default=yes]]]),
679
680
681
682
, enable_oss=yes)
if test x$enable_audio = xyes -a x$enable_oss = xyes; then
AC_MSG_CHECKING(for OSS audio support)
have_oss=no
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
if test x$have_oss != xyes; then
AC_TRY_COMPILE([
#include <sys/soundcard.h>
],[
int arg = SNDCTL_DSP_SETFRAGMENT;
],[
have_oss=yes
])
fi
if test x$have_oss != xyes; then
AC_TRY_COMPILE([
#include <soundcard.h>
],[
int arg = SNDCTL_DSP_SETFRAGMENT;
],[
have_oss=yes
699
AC_DEFINE(SDL_AUDIO_DRIVER_OSS_SOUNDCARD_H)
700
701
])
fi
702
703
AC_MSG_RESULT($have_oss)
if test x$have_oss = xyes; then
704
705
706
707
708
AC_DEFINE(SDL_AUDIO_DRIVER_OSS)
SOURCES="$SOURCES $srcdir/src/audio/dsp/*.c"
SOURCES="$SOURCES $srcdir/src/audio/dma/*.c"
have_audio=yes
709
# We may need to link with ossaudio emulation library
710
case "$host" in
711
*-*-openbsd*|*-*-netbsd*)
712
EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lossaudio";;
713
esac
714
715
716
717
718
719
720
721
fi
fi
}
dnl See if the ALSA audio interface is supported
CheckALSA()
{
AC_ARG_ENABLE(alsa,
722
AC_HELP_STRING([--enable-alsa], [support the ALSA audio API [[default=yes]]]),
723
724
, enable_alsa=yes)
if test x$enable_audio = xyes -a x$enable_alsa = xyes; then
725
AM_PATH_ALSA(0.9.0, have_alsa=yes, have_alsa=no)
726
727
728
729
# Restore all flags from before the ALSA detection runs
CFLAGS="$alsa_save_CFLAGS"
LDFLAGS="$alsa_save_LDFLAGS"
LIBS="$alsa_save_LIBS"
730
if test x$have_alsa = xyes; then
731
AC_ARG_ENABLE(alsa-shared,
732
AC_HELP_STRING([--enable-alsa-shared], [dynamically load ALSA audio support [[default=yes]]]),
733
, enable_alsa_shared=yes)
734
alsa_lib=[`find_lib "libasound.so.*" "$ALSA_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
735
736
737
AC_DEFINE(SDL_AUDIO_DRIVER_ALSA)
SOURCES="$SOURCES $srcdir/src/audio/alsa/*.c"
738
EXTRA_CFLAGS="$EXTRA_CFLAGS $ALSA_CFLAGS"
739
740
if test x$have_loadso != xyes && \
test x$enable_alsa_shared = xyes; then
741
AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic ALSA loading])
742
743
744
fi
if test x$have_loadso = xyes && \
test x$enable_alsa_shared = xyes && test x$alsa_lib != x; then
745
echo "-- dynamic libasound -> $alsa_lib"
746
747
AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_ALSA_DYNAMIC, "$alsa_lib")
else
748
EXTRA_LDFLAGS="$EXTRA_LDFLAGS $ALSA_LIBS"
749
750
751
752
fi
have_audio=yes
fi
fi
753
754
}
755
756
757
758
759
760
761
762
763
764
765
766
767
dnl Check whether we want to use IRIX 6.5+ native audio or not
CheckDMEDIA()
{
if test x$enable_audio = xyes; then
AC_MSG_CHECKING(for dmedia audio support)
have_dmedia=no
AC_TRY_COMPILE([
#include <dmedia/audio.h>
],[
ALport audio_port;
],[
have_dmedia=yes
])
768
AC_MSG_RESULT($have_dmedia)
769
770
# Set up files for the audio library
if test x$have_dmedia = xyes; then
771
772
AC_DEFINE(SDL_AUDIO_DRIVER_DMEDIA)
SOURCES="$SOURCES $srcdir/src/audio/dmedia/*.c"
773
EXTRA_LDFLAGS="$EXTRA_LDFLAGS -laudio"
774
have_audio=yes
775
776
777
778
fi
fi
}
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
dnl Check whether we want to use Tru64 UNIX native audio or not
CheckMME()
{
dnl Make sure we are running on an Tru64 UNIX
case $ARCH in
osf)
;;
*)
return
;;
esac
if test x$enable_audio = xyes; then
AC_MSG_CHECKING(for MME audio support)
MME_CFLAGS="-I/usr/include/mme"
MME_LIBS="-lmme"
have_mme=no
save_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS $MME_CFLAGS"
AC_TRY_COMPILE([
#include <mme_api.h>
],[
HWAVEOUT sound;
],[
have_mme=yes
])
CFLAGS="$save_CFLAGS"
AC_MSG_RESULT($have_mme)
# Set up files for the audio library
if test x$have_mme = xyes; then
AC_DEFINE(SDL_AUDIO_DRIVER_MMEAUDIO)
SOURCES="$SOURCES $srcdir/src/audio/mme/*.c"
810
811
EXTRA_CFLAGS="$EXTRA_CFLAGS $MME_CFLAGS"
EXTRA_LDFLAGS="$EXTRA_LDFLAGS $MME_LIBS"
812
813
814
815
816
have_audio=yes
fi
fi
}
817
818
819
820
dnl Find the ESD includes and libraries
CheckESD()
{
AC_ARG_ENABLE(esd,
821
AC_HELP_STRING([--enable-esd], [support the Enlightened Sound Daemon [[default=yes]]]),
822
823
, enable_esd=yes)
if test x$enable_audio = xyes -a x$enable_esd = xyes; then
824
825
AM_PATH_ESD(0.2.8, have_esd=yes, have_esd=no)
if test x$have_esd = xyes; then
826
AC_ARG_ENABLE(esd-shared,
827
AC_HELP_STRING([--enable-esd-shared], [dynamically load ESD audio support [[default=yes]]]),
828
, enable_esd_shared=yes)
829
esd_lib=[`find_lib "libesd.so.*" "$ESD_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
830
831
832
AC_DEFINE(SDL_AUDIO_DRIVER_ESD)
SOURCES="$SOURCES $srcdir/src/audio/esd/*.c"
833
EXTRA_CFLAGS="$EXTRA_CFLAGS $ESD_CFLAGS"
834
if test x$have_loadso != xyes && \
835
test x$enable_esd_shared = xyes; then
836
AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic ESD loading])
837
fi
838
if test x$have_loadso = xyes && \
839
test x$enable_esd_shared = xyes && test x$esd_lib != x; then
840
echo "-- dynamic libesd -> $esd_lib"
841
AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_ESD_DYNAMIC, "$esd_lib")
842
else
843
EXTRA_LDFLAGS="$EXTRA_LDFLAGS $ESD_LIBS"
844
fi
845
have_audio=yes
846
fi
847
848
849
fi
}
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
dnl Find PulseAudio
CheckPulseAudio()
{
AC_ARG_ENABLE(pulseaudio,
AC_HELP_STRING([--enable-pulseaudio], [use PulseAudio [[default=yes]]]),
, enable_pulseaudio=yes)
if test x$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=`$PKG_CONFIG --libs libpulse-simple`
audio_pulseaudio=yes
868
fi
869
870
871
872
873
874
875
fi
AC_MSG_RESULT($audio_pulseaudio)
if test x$audio_pulseaudio = xyes; then
AC_ARG_ENABLE(pulseaudio-shared,
AC_HELP_STRING([--enable-pulseaudio-shared], [dynamically load PulseAudio support [[default=yes]]]),
, enable_pulseaudio_shared=yes)
876
pulseaudio_lib=[`find_lib "libpulse-simple.so.*" "$PULSEAUDIO_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
877
878
879
880
881
882
883
884
885
886
AC_DEFINE(SDL_AUDIO_DRIVER_PULSEAUDIO)
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
887
echo "-- dynamic libpulse-simple -> $pulseaudio_lib"
888
889
890
891
892
893
894
895
896
AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_PULSEAUDIO_DYNAMIC, "$pulseaudio_lib")
else
EXTRA_LDFLAGS="$EXTRA_LDFLAGS $PULSEAUDIO_LIBS"
fi
have_audio=yes
fi
fi
}
897
898
899
CheckARTSC()
{
AC_ARG_ENABLE(arts,
900
AC_HELP_STRING([--enable-arts], [support the Analog Real Time Synthesizer [[default=yes]]]),
901
902
, enable_arts=yes)
if test x$enable_audio = xyes -a x$enable_arts = xyes; then
903
904
AC_PATH_PROG(ARTSCONFIG, artsc-config)
if test x$ARTSCONFIG = x -o x$ARTSCONFIG = x'"$ARTSCONFIG"'; then
905
906
: # arts isn't installed
else
907
908
ARTS_CFLAGS=`$ARTSCONFIG --cflags`
ARTS_LIBS=`$ARTSCONFIG --libs`
909
910
911
AC_MSG_CHECKING(for aRts development environment)
audio_arts=no
save_CFLAGS="$CFLAGS"
912
CFLAGS="$CFLAGS $ARTS_CFLAGS"
913
914
915
916
917
918
919
920
921
922
AC_TRY_COMPILE([
#include <artsc.h>
],[
arts_stream_t stream;
],[
audio_arts=yes
])
CFLAGS="$save_CFLAGS"
AC_MSG_RESULT($audio_arts)
if test x$audio_arts = xyes; then
923
AC_ARG_ENABLE(arts-shared,
924
AC_HELP_STRING([--enable-arts-shared], [dynamically load aRts audio support [[default=yes]]]),
925
, enable_arts_shared=yes)
926
arts_lib=[`find_lib "libartsc.so.*" "$ARTS_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
927
928
929
AC_DEFINE(SDL_AUDIO_DRIVER_ARTS)
SOURCES="$SOURCES $srcdir/src/audio/arts/*.c"
930
EXTRA_CFLAGS="$EXTRA_CFLAGS $ARTS_CFLAGS"
931
if test x$have_loadso != xyes && \
932
test x$enable_arts_shared = xyes; then
933
AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic ARTS loading])
934
fi
935
if test x$have_loadso = xyes && \
936
test x$enable_arts_shared = xyes && test x$arts_lib != x; then
937
echo "-- dynamic libartsc -> $arts_lib"
938
AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_ARTS_DYNAMIC, "$arts_lib")
939
else
940
EXTRA_LDFLAGS="$EXTRA_LDFLAGS $ARTS_LIBS"
941
fi
942
have_audio=yes
943
944
945
946
947
948
949
950
951
fi
fi
fi
}
dnl See if the NAS audio interface is supported
CheckNAS()
{
AC_ARG_ENABLE(nas,
952
AC_HELP_STRING([--enable-nas], [support the NAS audio API [[default=yes]]]),
953
, enable_nas=yes)
954
if test x$enable_audio = xyes -a x$enable_nas = xyes; then
955
956
957
AC_CHECK_HEADER(audio/audiolib.h, have_nas_hdr=yes)
AC_CHECK_LIB(audio, AuOpenServer, have_nas_lib=yes)
958
959
AC_MSG_CHECKING(for NAS audio support)
have_nas=no
960
961
962
963
964
965
if test x$have_nas_hdr = xyes -a x$have_nas_lib = xyes; then
have_nas=yes
NAS_LIBS="-laudio"
elif test -r /usr/X11R6/include/audio/audiolib.h; then
966
have_nas=yes
967
NAS_CFLAGS="-I/usr/X11R6/include/"
968
NAS_LIBS="-L/usr/X11R6/lib -laudio -lXt"
969
970
971
972
973
974
dnl On IRIX, the NAS includes are in a different directory,
dnl and libnas must be explicitly linked in
elif test -r /usr/freeware/include/nas/audiolib.h; then
have_nas=yes
975
NAS_LIBS="-lnas -lXt"
976
fi
977
978
AC_MSG_RESULT($have_nas)
979
980
if test x$have_nas = xyes; then
981
982
983
AC_ARG_ENABLE(nas-shared,
AC_HELP_STRING([--enable-nas-shared], [dynamically load NAS audio support [[default=yes]]]),
, enable_nas_shared=yes)
984
nas_lib=[`find_lib "libaudio.so.*" "$NAS_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
985
986
987
988
989
990
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$have_loadso = xyes && \
991
test x$enable_nas_shared = xyes && test x$nas_lib != x; then
992
echo "-- dynamic libaudio -> $nas_lib"
993
994
995
996
997
AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_NAS_DYNAMIC, "$nas_lib")
else
EXTRA_LDFLAGS="$EXTRA_LDFLAGS $NAS_LIBS"
fi
998
999
AC_DEFINE(SDL_AUDIO_DRIVER_NAS)
SOURCES="$SOURCES $srcdir/src/audio/nas/*.c"
1000
EXTRA_CFLAGS="$EXTRA_CFLAGS $NAS_CFLAGS"