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configure.in
2592 lines (2446 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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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.$SDL_MICRO_VERSION
AC_SUBST(SDL_MAJOR_VERSION)
AC_SUBST(SDL_MINOR_VERSION)
AC_SUBST(SDL_MICRO_VERSION)
AC_SUBST(SDL_INTERFACE_AGE)
AC_SUBST(SDL_BINARY_AGE)
AC_SUBST(SDL_VERSION)
# libtool versioning
LT_RELEASE=$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 - $SDL_INTERFACE_AGE`
AC_SUBST(LT_RELEASE)
AC_SUBST(LT_CURRENT)
AC_SUBST(LT_REVISION)
AC_SUBST(LT_AGE)
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dnl Detect the canonical build and host environments
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AC_CONFIG_AUX_DIRS($srcdir/build-scripts)
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AC_CANONICAL_HOST
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AC_C_BIGENDIAN
if test x$ac_cv_c_bigendian = xyes; then
AC_DEFINE(SDL_BYTEORDER, 4321)
else
AC_DEFINE(SDL_BYTEORDER, 1234)
fi
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dnl Set up the compiler and linker flags
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INCLUDE="-I$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="-D_GNU_SOURCE=1"
BASE_LDFLAGS=""
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;;
esac
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BUILD_CFLAGS="$CFLAGS $CPPFLAGS"
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EXTRA_CFLAGS="$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 $EXTRA_LDFLAGS"
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dnl Check for tools
AC_LIBTOOL_WIN32_DLL
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AC_PROG_LIBTOOL
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AC_PROG_CC
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AC_PROG_CXX
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AC_PROG_INSTALL
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AC_PROG_MAKE_SET
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if test -z "$host_alias"; then
hostaliaswindres=
else
hostaliaswindres="$host_alias-windres"
fi
AC_CHECK_PROGS(WINDRES, [windres $hostaliaswindres $host_os-windres])
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dnl Check for compiler characteristics
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AC_C_CONST
AC_C_INLINE
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AC_C_VOLATILE
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dnl See whether we are allowed to use the system C library
AC_ARG_ENABLE(libc,
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AC_HELP_STRING([--enable-libc], [Use the system C library [[default=yes]]]),
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, enable_libc=yes)
if test x$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$ac_cv_type_int64_t = xyes; then
AC_DEFINE(SDL_HAS_64BIT_TYPE)
fi
have_inttypes=yes
fi
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dnl Checks for library functions.
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case "$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_FUNCS(malloc calloc realloc free getenv 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 iconv sigaction setjmp nanosleep)
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AC_CHECK_LIB(iconv, libiconv_open, [EXTRA_LDFLAGS="$EXTRA_LDFLAGS -liconv"])
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AC_CHECK_LIB(m, pow, [EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lm"])
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fi
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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# Standard C sources
SOURCES="$SOURCES $srcdir/src/*.c"
SOURCES="$SOURCES $srcdir/src/audio/*.c"
SOURCES="$SOURCES $srcdir/src/cdrom/*.c"
SOURCES="$SOURCES $srcdir/src/cpuinfo/*.c"
SOURCES="$SOURCES $srcdir/src/events/*.c"
SOURCES="$SOURCES $srcdir/src/file/*.c"
SOURCES="$SOURCES $srcdir/src/stdlib/*.c"
SOURCES="$SOURCES $srcdir/src/thread/*.c"
SOURCES="$SOURCES $srcdir/src/timer/*.c"
SOURCES="$SOURCES $srcdir/src/video/*.c"
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dnl Enable/disable various subsystems of the SDL library
AC_ARG_ENABLE(audio,
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AC_HELP_STRING([--enable-audio], [Enable the audio subsystem [[default=yes]]]),
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, enable_audio=yes)
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if test x$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 $srcdir/src/joystick/*.c"
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fi
AC_ARG_ENABLE(cdrom,
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AC_HELP_STRING([--enable-cdrom], [Enable the cdrom subsystem [[default=yes]]]),
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, enable_cdrom=yes)
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if test x$enable_cdrom != xyes; then
AC_DEFINE(SDL_CDROM_DISABLED)
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fi
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$enable_cpuinfo != xyes; then
AC_DEFINE(SDL_CPUINFO_DISABLED)
fi
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AC_ARG_ENABLE(assembly,
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AC_HELP_STRING([--enable-assembly], [Enable assembly routines [[default=yes]]]),
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, enable_assembly=yes)
if test x$enable_assembly = xyes; then
AC_DEFINE(SDL_ASSEMBLY_ROUTINES)
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fi
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dnl See if the OSS audio interface is supported
CheckOSS()
{
AC_ARG_ENABLE(oss,
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AC_HELP_STRING([--enable-oss], [support the OSS audio API [[default=yes]]]),
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, 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
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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
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AC_DEFINE(SDL_AUDIO_DRIVER_OSS_SOUNDCARD_H)
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])
fi
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AC_MSG_RESULT($have_oss)
if test x$have_oss = xyes; then
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AC_DEFINE(SDL_AUDIO_DRIVER_OSS)
SOURCES="$SOURCES $srcdir/src/audio/dsp/*.c"
SOURCES="$SOURCES $srcdir/src/audio/dma/*.c"
have_audio=yes
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# We may need to link with ossaudio emulation library
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case "$host" in
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*-*-openbsd*|*-*-netbsd*)
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EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lossaudio";;
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esac
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fi
fi
}
dnl See if the ALSA audio interface is supported
CheckALSA()
{
AC_ARG_ENABLE(alsa,
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AC_HELP_STRING([--enable-alsa], [support the ALSA audio API [[default=yes]]]),
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, enable_alsa=yes)
if test x$enable_audio = xyes -a x$enable_alsa = xyes; then
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AM_PATH_ALSA(0.9.0, have_alsa=yes, have_alsa=no)
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# Restore all flags from before the ALSA detection runs
CFLAGS="$alsa_save_CFLAGS"
LDFLAGS="$alsa_save_LDFLAGS"
LIBS="$alsa_save_LIBS"
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if test x$have_alsa = xyes; then
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AC_ARG_ENABLE(alsa-shared,
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AC_HELP_STRING([--enable-alsa-shared], [dynamically load ALSA audio support [[default=yes]]]),
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, enable_alsa_shared=yes)
if test "x`echo $ALSA_LIBS | grep -- -L`" = "x"; then
if test "x`ls /lib/libasound.so.* 2> /dev/null`" != "x"; then
ALSA_LIBS="-L/lib $ALSA_LIBS"
elif test "x`ls /usr/lib/libasound.so.* 2> /dev/null`" != "x"; then
ALSA_LIBS="-L/usr/lib $ALSA_LIBS"
elif test "x`ls /usr/local/lib/libasound.so.* 2> /dev/null`" != "x"; then
ALSA_LIBS="-L/usr/local/lib $ALSA_LIBS"
fi
fi
alsa_lib_spec=`echo $ALSA_LIBS | sed 's/.*-L\([[^ ]]*\).*/\1\/libasound.so.*/'`
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alsa_lib=`ls -- $alsa_lib_spec | sed 's/.*\/\(.*\)/\1/; q'`
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echo "-- $alsa_lib_spec -> $alsa_lib"
AC_DEFINE(SDL_AUDIO_DRIVER_ALSA)
SOURCES="$SOURCES $srcdir/src/audio/alsa/*.c"
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EXTRA_CFLAGS="$EXTRA_CFLAGS $ALSA_CFLAGS"
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if test x$have_loadso != xyes && \
test x$enable_alsa_shared = xyes; then
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AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic ALSA loading])
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fi
if test x$have_loadso = xyes && \
test x$enable_alsa_shared = xyes && test x$alsa_lib != x; then
AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_ALSA_DYNAMIC, "$alsa_lib")
else
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EXTRA_LDFLAGS="$EXTRA_LDFLAGS $ALSA_LIBS"
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fi
have_audio=yes
fi
fi
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}
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dnl Check whether we want to use IRIX 6.5+ native audio or not
CheckDMEDIA()
{
if test x$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
])
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AC_MSG_RESULT($have_dmedia)
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# Set up files for the audio library
if test x$have_dmedia = xyes; then
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AC_DEFINE(SDL_AUDIO_DRIVER_DMEDIA)
SOURCES="$SOURCES $srcdir/src/audio/dmedia/*.c"
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EXTRA_LDFLAGS="$EXTRA_LDFLAGS -laudio"
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have_audio=yes
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fi
fi
}
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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 $srcdir/src/audio/mme/*.c"
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EXTRA_CFLAGS="$EXTRA_CFLAGS $MME_CFLAGS"
EXTRA_LDFLAGS="$EXTRA_LDFLAGS $MME_LIBS"
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have_audio=yes
fi
fi
}
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dnl Find the ESD includes and libraries
CheckESD()
{
AC_ARG_ENABLE(esd,
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AC_HELP_STRING([--enable-esd], [support the Enlightened Sound Daemon [[default=yes]]]),
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, enable_esd=yes)
if test x$enable_audio = xyes -a x$enable_esd = xyes; then
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AM_PATH_ESD(0.2.8, have_esd=yes, have_esd=no)
if test x$have_esd = xyes; then
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AC_ARG_ENABLE(esd-shared,
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AC_HELP_STRING([--enable-esd-shared], [dynamically load ESD audio support [[default=yes]]]),
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, enable_esd_shared=yes)
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esd_lib_spec=`echo $ESD_LIBS | sed 's/.*-L\([[^ ]]*\).*/\1\/libesd.so.*/'`
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esd_lib=`ls -- $esd_lib_spec | sed 's/.*\/\(.*\)/\1/; q'`
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echo "-- $esd_lib_spec -> $esd_lib"
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AC_DEFINE(SDL_AUDIO_DRIVER_ESD)
SOURCES="$SOURCES $srcdir/src/audio/esd/*.c"
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EXTRA_CFLAGS="$EXTRA_CFLAGS $ESD_CFLAGS"
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if test x$have_loadso != xyes && \
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test x$enable_esd_shared = xyes; then
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AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic ESD loading])
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fi
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if test x$have_loadso = xyes && \
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test x$enable_esd_shared = xyes && test x$esd_lib != x; then
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AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_ESD_DYNAMIC, "$esd_lib")
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else
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EXTRA_LDFLAGS="$EXTRA_LDFLAGS $ESD_LIBS"
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fi
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have_audio=yes
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fi
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fi
}
CheckARTSC()
{
AC_ARG_ENABLE(arts,
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AC_HELP_STRING([--enable-arts], [support the Analog Real Time Synthesizer [[default=yes]]]),
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, enable_arts=yes)
if test x$enable_audio = xyes -a x$enable_arts = xyes; then
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AC_PATH_PROG(ARTSCONFIG, artsc-config)
if test x$ARTSCONFIG = x -o x$ARTSCONFIG = x'"$ARTSCONFIG"'; then
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: # arts isn't installed
else
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ARTS_CFLAGS=`$ARTSCONFIG --cflags`
ARTS_LIBS=`$ARTSCONFIG --libs`
ARTS_PREFIX=`$ARTSCONFIG --arts-prefix`
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AC_MSG_CHECKING(for aRts development environment)
audio_arts=no
save_CFLAGS="$CFLAGS"
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CFLAGS="$CFLAGS $ARTS_CFLAGS"
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AC_TRY_COMPILE([
#include <artsc.h>
],[
arts_stream_t stream;
],[
audio_arts=yes
])
CFLAGS="$save_CFLAGS"
AC_MSG_RESULT($audio_arts)
if test x$audio_arts = xyes; then
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AC_ARG_ENABLE(arts-shared,
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AC_HELP_STRING([--enable-arts-shared], [dynamically load aRts audio support [[default=yes]]]),
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, enable_arts_shared=yes)
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arts_lib_spec="$ARTS_PREFIX/lib/libartsc.so.*"
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arts_lib=`ls -- $arts_lib_spec | sed 's/.*\/\(.*\)/\1/; q'`
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echo "-- $arts_lib_spec -> $arts_lib"
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AC_DEFINE(SDL_AUDIO_DRIVER_ARTS)
SOURCES="$SOURCES $srcdir/src/audio/arts/*.c"
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EXTRA_CFLAGS="$EXTRA_CFLAGS $ARTS_CFLAGS"
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if test x$have_loadso != xyes && \
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test x$enable_arts_shared = xyes; then
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AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic ARTS loading])
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fi
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if test x$have_loadso = xyes && \
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test x$enable_arts_shared = xyes && test x$arts_lib != x; then
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AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_ARTS_DYNAMIC, "$arts_lib")
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else
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EXTRA_LDFLAGS="$EXTRA_LDFLAGS $ARTS_LIBS"
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fi
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have_audio=yes
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fi
fi
fi
}
dnl See if the NAS audio interface is supported
CheckNAS()
{
AC_ARG_ENABLE(nas,
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AC_HELP_STRING([--enable-nas], [support the NAS audio API [[default=yes]]]),
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, enable_nas=yes)
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if test x$enable_audio = xyes -a x$enable_nas = xyes; then
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AC_CHECK_HEADER(audio/audiolib.h, have_nas_hdr=yes)
AC_CHECK_LIB(audio, AuOpenServer, have_nas_lib=yes)
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AC_MSG_CHECKING(for NAS audio support)
have_nas=no
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536
537
538
if test x$have_nas_hdr = xyes -a x$have_nas_lib = xyes; then
have_nas=yes
NAS_LIBS="-laudio"
elif test -r /usr/X11R6/include/audio/audiolib.h; then
539
have_nas=yes
540
NAS_CFLAGS="-I/usr/X11R6/include/"
541
NAS_LIBS="-L/usr/X11R6/lib -laudio -lXt"
542
543
544
545
546
547
dnl On IRIX, the NAS includes are in a different directory,
dnl and libnas must be explicitly linked in
elif test -r /usr/freeware/include/nas/audiolib.h; then
have_nas=yes
548
NAS_LIBS="-lnas -lXt"
549
fi
550
551
AC_MSG_RESULT($have_nas)
552
553
if test x$have_nas = xyes; then
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
AC_ARG_ENABLE(nas-shared,
AC_HELP_STRING([--enable-nas-shared], [dynamically load NAS audio support [[default=yes]]]),
, enable_nas_shared=yes)
if test "x`echo $NAS_LIBS | grep -- -L`" = "x"; then
if test "x`ls /lib/libaudio.so.* 2> /dev/null`" != "x"; then
NAS_LIBS="-L/lib $NAS_LIBS"
elif test "x`ls /usr/lib/libaudio.so.* 2> /dev/null`" != "x"; then
NAS_LIBS="-L/usr/lib $NAS_LIBS"
elif test "x`ls /usr/local/lib/libaudio.so.* 2> /dev/null`" != "x"; then
NAS_LIBS="-L/usr/local/lib $NAS_LIBS"
fi
fi
nas_lib_spec=`echo $NAS_LIBS | sed 's/.*-L\([[^ ]]*\).*/\1\/libaudio.so.*/'`
nas_lib=`ls -- $nas_lib_spec | sed 's/.*\/\(.*\)/\1/; q'`
echo "-- $nas_lib_spec -> $nas_lib"
if test x$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 && \
575
test x$enable_nas_shared = xyes && test x$nas_lib != x; then
576
577
578
579
580
AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_NAS_DYNAMIC, "$nas_lib")
else
EXTRA_LDFLAGS="$EXTRA_LDFLAGS $NAS_LIBS"
fi
581
582
AC_DEFINE(SDL_AUDIO_DRIVER_NAS)
SOURCES="$SOURCES $srcdir/src/audio/nas/*.c"
583
EXTRA_CFLAGS="$EXTRA_CFLAGS $NAS_CFLAGS"
584
585
have_audio=yes
fi
586
587
588
fi
}
589
590
591
592
dnl rcg07142001 See if the user wants the disk writer audio driver...
CheckDiskAudio()
{
AC_ARG_ENABLE(diskaudio,
593
AC_HELP_STRING([--enable-diskaudio], [support the disk writer audio driver [[default=yes]]]),
594
, enable_diskaudio=yes)
595
if test x$enable_audio = xyes -a x$enable_diskaudio = xyes; then
596
597
AC_DEFINE(SDL_AUDIO_DRIVER_DISK)
SOURCES="$SOURCES $srcdir/src/audio/disk/*.c"
598
599
600
fi
}
601
602
603
604
dnl rcg03142006 See if the user wants the dummy audio driver...
CheckDummyAudio()
{
AC_ARG_ENABLE(dummyaudio,
605
AC_HELP_STRING([--enable-dummyaudio], [support the dummy audio driver [[default=yes]]]),
606
607
608
609
610
611
612
, enable_dummyaudio=yes)
if test x$enable_audio = xyes -a x$enable_dummyaudio = xyes; then
AC_DEFINE(SDL_AUDIO_DRIVER_DUMMY)
SOURCES="$SOURCES $srcdir/src/audio/dummy/*.c"
fi
}
613
614
615
616
dnl Set up the Atari Audio driver
CheckAtariAudio()
{
AC_ARG_ENABLE(mintaudio,
617
AC_HELP_STRING([--enable-mintaudio], [support Atari audio driver [[default=yes]]]),
618
619
620
621
622
623
, enable_mintaudio=yes)
if test x$enable_audio = xyes -a x$enable_mintaudio = xyes; then
mintaudio=no
AC_CHECK_HEADER(mint/falcon.h, have_mint_falcon_hdr=yes)
if test x$have_mint_falcon_hdr = xyes; then
mintaudio=yes
624
AC_DEFINE(SDL_AUDIO_DRIVER_MINT)
625
SOURCES="$SOURCES $srcdir/src/audio/mint/*.c"
626
SOURCES="$SOURCES $srcdir/src/audio/mint/*.S"
627
have_audio=yes
628
629
630
631
fi
fi
}
632
dnl See if we can use x86 assembly blitters
633
# NASM is available from: http://nasm.sourceforge.net
634
635
636
CheckNASM()
{
dnl Make sure we are running on an x86 platform
637
case $host in
638
639
640
641
642
643
644
645
646
i?86*)
;;
*)
# Nope, bail early.
return
;;
esac
dnl Check for NASM (for assembly blit routines)
AC_ARG_ENABLE(nasm,
647
AC_HELP_STRING([--enable-nasm], [use nasm assembly blitters on x86 [[default=yes]]]),
648
, enable_nasm=yes)
649
if test x$enable_video = xyes -a x$enable_assembly = xyes -a x$enable_nasm = xyes; then
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
CompileNASM()
{
# Usage: CompileNASM <filename>
AC_MSG_CHECKING(to see if $NASM supports $1)
if $NASM $NASMFLAGS $1 -o $1.o >&AS_MESSAGE_LOG_FD 2>&1; then
CompileNASM_ret="yes"
else
CompileNASM_ret="no"
fi
rm -f $1 $1.o
AC_MSG_RESULT($CompileNASM_ret)
test "$CompileNASM_ret" = "yes"
}
if test x"$NASMFLAGS" = x; then
case $ARCH in
win32)
NASMFLAGS="-f win32"
;;
openbsd)
NASMFLAGS="-f aoutb"
;;
macosx)
NASMFLAGS="-f macho"
;;
*)
NASMFLAGS="-f elf"
;;
esac
fi
681
AC_PATH_PROG(NASM, yasm)
682
683
684
685
686
echo "%ifidn __OUTPUT_FORMAT__,elf" > unquoted-sections
echo "section .note.GNU-stack noalloc noexec nowrite progbits" >> unquoted-sections
echo "%endif" >> unquoted-sections
CompileNASM unquoted-sections || NASM=""
687
if test "x$NASM" = x -o "x$NASM" = x'"$NASM"'; then
688
$as_unset ac_cv_path_NASM
689
690
691
AC_PATH_PROG(NASM, nasm)
fi
if test "x$NASM" != x -a "x$NASM" != x'"$NASM"'; then
692
693
AC_DEFINE(SDL_HERMES_BLITTERS)
SOURCES="$SOURCES $srcdir/src/hermes/*.asm"
694
NASMFLAGS="$NASMFLAGS -I $srcdir/src/hermes/"
695
696
dnl See if hidden visibility is supported
697
698
699
echo "GLOBAL _bar:function hidden" > symbol-visibility
echo "_bar:" >> symbol-visibility
CompileNASM symbol-visibility && NASMFLAGS="$NASMFLAGS -DHIDDEN_VISIBILITY"
700
701
AC_SUBST(NASM)
702
AC_SUBST(NASMFLAGS)
703
704
case "$host" in
705
# this line is needed for QNX, because it's not defined the __ELF__
706
*-*-qnx*)
707
EXTRA_CFLAGS="$EXTRA_CFLAGS -D__ELF__";;
708
*-*-solaris*)
709
EXTRA_CFLAGS="$EXTRA_CFLAGS -D__ELF__";;
710
esac
711
712
713
714
715
716
717
718
fi
fi
}
dnl Check for altivec instruction support using gas syntax
CheckAltivec()
{
AC_ARG_ENABLE(altivec,
719
AC_HELP_STRING([--enable-altivec], [use altivec assembly blitters on PPC [[default=yes]]]),
720
, enable_altivec=yes)
721
if test x$enable_video = xyes -a x$enable_assembly = xyes -a x$enable_altivec = xyes; then
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
have_altivec_h_hdr=no
AC_CHECK_HEADER(altivec.h, have_altivec_h_hdr=yes)
save_CFLAGS="$CFLAGS"
have_gcc_altivec=no
AC_MSG_CHECKING(for Altivec with GCC -maltivec option)
altivec_CFLAGS="-maltivec"
CFLAGS="$save_CFLAGS $altivec_CFLAGS"
if test x$have_altivec_h_hdr = xyes; then
AC_TRY_COMPILE([
#include <altivec.h>
vector unsigned int vzero() {
return vec_splat_u32(0);
}
],[
],[
have_gcc_altivec=yes
])
AC_MSG_RESULT($have_gcc_altivec)
else
AC_TRY_COMPILE([
vector unsigned int vzero() {
return vec_splat_u32(0);
}
],[
],[
have_gcc_altivec=yes
])
AC_MSG_RESULT($have_gcc_altivec)
fi
if test x$have_gcc_altivec = xno; then
AC_MSG_CHECKING(for Altivec with GCC -faltivec option)
altivec_CFLAGS="-faltivec"
CFLAGS="$save_CFLAGS $altivec_CFLAGS"
if test x$have_altivec_h_hdr = xyes; then
AC_TRY_COMPILE([
#include <altivec.h>
vector unsigned int vzero() {
return vec_splat_u32(0);
}
],[
],[
have_gcc_altivec=yes
])
AC_MSG_RESULT($have_gcc_altivec)
else
AC_TRY_COMPILE([
vector unsigned int vzero() {
return vec_splat_u32(0);
}
],[
],[
have_gcc_altivec=yes
])
AC_MSG_RESULT($have_gcc_altivec)
fi
fi
CFLAGS="$save_CFLAGS"
782
783
784
785
786
787
if test x$have_gcc_altivec = xyes; then
AC_DEFINE(SDL_ALTIVEC_BLITTERS)
if test x$have_altivec_h_hdr = xyes; then
AC_DEFINE(HAVE_ALTIVEC_H)
fi
788
EXTRA_CFLAGS="$EXTRA_CFLAGS $altivec_CFLAGS"
789
790
791
792
fi
fi
}
793
794
795
796
797
798
799
800
801
802
803
dnl See if GCC's -fvisibility=hidden is supported (gcc4 and later, usually).
dnl Details of this flag are here: http://gcc.gnu.org/wiki/Visibility
CheckVisibilityHidden()
{
AC_MSG_CHECKING(for GCC -fvisibility=hidden option)
have_gcc_fvisibility=no
visibility_CFLAGS="-fvisibility=hidden"
save_CFLAGS="$CFLAGS"
CFLAGS="$save_CFLAGS $visibility_CFLAGS"
AC_TRY_COMPILE([
804
805
806
#if !defined(__GNUC__) || __GNUC__ < 4
#error SDL only uses visibility attributes in GCC 4 or newer
#endif
807
808
809
810
811
812
813
814
],[
],[
have_gcc_fvisibility=yes
])
AC_MSG_RESULT($have_gcc_fvisibility)
CFLAGS="$save_CFLAGS"
if test x$have_gcc_fvisibility = xyes; then
815
EXTRA_CFLAGS="$EXTRA_CFLAGS $visibility_CFLAGS"
816
817
818
819
fi
}
820
821
822
823
dnl Do the iPod thing
CheckIPod()
{
AC_ARG_ENABLE(ipod,
824
825
AC_HELP_STRING([--enable-ipod], [configure SDL to work with iPodLinux [default=yes on arm-elf]]),
, enable_ipod=yes)
826
827
if test x$enable_ipod = xyes; then
828
EXTRA_CFLAGS="$EXTRA_CFLAGS -DIPOD"
829
830
AC_DEFINE(SDL_VIDEO_DRIVER_IPOD)
SOURCES="$SOURCES $srcdir/src/video/ipod/*.c"
831
fi
832
}
833
834
835
836
dnl Find the nanox include and library directories
CheckNANOX()
{
837
AC_ARG_ENABLE(video-nanox,
838
AC_HELP_STRING([--enable-video-nanox], [use nanox video driver [[default=no]]]),
839
840
841
, enable_video_nanox=no)
if test x$enable_video = xyes -a x$enable_video_nanox = xyes; then
842
AC_ARG_ENABLE(nanox-debug,
843
AC_HELP_STRING([--enable-nanox-debug], [print debug messages [[default=no]]]),
844
, enable_nanox_debug=no)
845
if test x$enable_nanox_debug = xyes; then
846
EXTRA_CFLAGS="$EXTRA_CFLAGS -DENABLE_NANOX_DEBUG"
847
848
fi
849
AC_ARG_ENABLE(nanox-share-memory,
850
AC_HELP_STRING([--enable-nanox-share-memory], [use share memory [[default=no]]]),
851
, enable_nanox_share_memory=no)
852
if test x$enable_nanox_share_memory = xyes; then
853
EXTRA_CFLAGS="$EXTRA_CFLAGS -DNANOX_SHARE_MEMORY"
854
855
fi
856
AC_ARG_ENABLE(nanox_direct_fb,
857
AC_HELP_STRING([--enable-nanox-direct-fb], [use direct framebuffer access [[default=no]]]),
858
, enable_nanox_direct_fb=no)
859
if test x$enable_nanox_direct_fb = xyes; then
860
EXTRA_CFLAGS="$EXTRA_CFLAGS -DENABLE_NANOX_DIRECT_FB"
861
fi
862
863
864
AC_DEFINE(SDL_VIDEO_DRIVER_NANOX)
SOURCES="$SOURCES $srcdir/src/video/nanox/*.c"
865
EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lnano-X"
866
have_video=yes
867
fi
868
869
}
870
871
872
873
dnl Find the X11 include and library directories
CheckX11()
{
AC_ARG_ENABLE(video-x11,
874
AC_HELP_STRING([--enable-video-x11], [use X11 video driver [[default=yes]]]),
875
876
, enable_video_x11=yes)
if test x$enable_video = xyes -a x$enable_video_x11 = xyes; then
877
case "$host" in
878
879
*-*-darwin*)
# This isn't necessary for X11, but fixes GLX detection
880
if test "x$x_includes" = xNONE && test "x$x_libraries" = xNONE; then
881
882
883
884
885
x_includes="/usr/X11R6/include"
x_libraries="/usr/X11R6/lib"
fi
;;
esac
886
887
888
AC_PATH_X
AC_PATH_XTRA
if test x$have_x = xyes; then
889
890
891
892
893
# 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=$have_gcc_fvisibility
894
AC_ARG_ENABLE(x11-shared,
895
896
AC_HELP_STRING([--enable-x11-shared], [dynamically load X11 support [[default=maybe]]]),
, enable_x11_shared=maybe)
897
898
case "$host" in
899
*-*-darwin*) # Latest Mac OS X actually ships with Xrandr/Xrender libs...
900
x11_symbols_private=yes
901
902
x11_lib='/usr/X11R6/lib/libX11.6.dylib'
x11ext_lib='/usr/X11R6/lib/libXext.6.dylib'
903
xrender_lib='/usr/X11R6/lib/libXrender.1.dylib'
904
xrandr_lib='/usr/X11R6/lib/libXrandr.2.dylib'
905
;;
906
907
908
909
910
*-*-osf*)
x11_lib='libX11.so'
x11ext_lib='libXext.so'
;;
*-*-irix*) # IRIX 6.5 requires that we use /usr/lib32
911
912
913
x11_lib='libX11.so'
x11ext_lib='libXext.so'
;;
914
*)
915
x11_lib_spec=[`echo $X_LIBS | sed 's/.*-L\([^ ]*\).*/\1/'`]
916
917
for path in $x11_lib_path /usr/lib /usr/X11/lib /usr/X11R6/lib; do
if test "x$x11_lib" = "x"; then
918
x11_lib=[`ls -- $path/libX11.so.[0-9] 2>/dev/null | sort -r | sed 's/.*\/\(.*\)/\1/; q'`]
919
920
921
if test "x$x11_lib" = "x"; then
x11_lib=[`ls -- $path/libX11.so.[0-9]* 2>/dev/null | sort -r | sed 's/.*\/\(.*\)/\1/; q'`]
fi
922
923
fi
if test "x$x11ext_lib" = "x"; then
924
x11ext_lib=[`ls -- $path/libXext.so.[0-9] 2>/dev/null | sort -r | sed 's/.*\/\(.*\)/\1/; q'`]
925
926
927
if test "x$x11ext_lib" = "x"; then
x11ext_lib=[`ls -- $path/libXext.so.[0-9]* 2>/dev/null | sort -r | sed 's/.*\/\(.*\)/\1/; q'`]
fi
928
fi
929
if test "x$xrender_lib" = "x"; then
930
xrender_lib=[`ls -- $path/libXrender.so.[0-9] 2>/dev/null | sort -r | sed 's/.*\/\(.*\)/\1/; q'`]
931
932
933
if test "x$xrender_lib" = "x"; then
xrender_lib=[`ls -- $path/libXrender.so.[0-9]* 2>/dev/null | sort -r | sed 's/.*\/\(.*\)/\1/; q'`]
fi
934
935
fi
if test "x$xrandr_lib" = "x"; then
936
xrandr_lib=[`ls -- $path/libXrandr.so.[0-9] 2>/dev/null | sort -r | sed 's/.*\/\(.*\)/\1/; q'`]
937
938
939
if test "x$xrandr_lib" = "x"; then
xrandr_lib=[`ls -- $path/libXrandr.so.[0-9]* 2>/dev/null | sort -r | sed 's/.*\/\(.*\)/\1/; q'`]
fi
940
fi
941
done
942
943
;;
esac
944
945
946
947
948
X_CFLAGS="$X_CFLAGS -DXTHREADS"
if test x$ac_cv_func_shmat != xyes; then
X_CFLAGS="$X_CFLAGS -DNO_SHARED_MEMORY"
fi
949
950
CFLAGS="$CFLAGS $X_CFLAGS"
LDFLAGS="$LDFLAGS $X_LIBS"
951
952
953
AC_DEFINE(SDL_VIDEO_DRIVER_X11)
SOURCES="$SOURCES $srcdir/src/video/x11/*.c"
954
SOURCES="$SOURCES $srcdir/src/video/Xext/XmuStdCmap/*.c"
955
EXTRA_CFLAGS="$EXTRA_CFLAGS $X_CFLAGS"
956
957
958
959
if test x$enable_x11_shared = xmaybe; then
enable_x11_shared=$x11_symbols_private
fi
960
if test x$have_loadso != xyes && \
961
test x$enable_x11_shared = xyes; then
962
AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic X11 loading])
963
enable_x11_shared=no
964
fi
965
if test x$x11_symbols_private != xyes && \
966
967
968
969
970
test x$enable_x11_shared = xyes; then
AC_MSG_WARN([You must have gcc4 (-fvisibility=hidden) for dynamic X11 loading])
enable_x11_shared=no
fi
971
if test x$have_loadso = xyes && \
972
test x$enable_x11_shared = xyes && test x$x11_lib != x && test x$x11ext_lib != x; then
973
974
echo "-- dynamic libX11 -> $x11_lib"
echo "-- dynamic libX11ext -> $x11ext_lib"
975
976
AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC, "$x11_lib")
AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XEXT, "$x11ext_lib")
977
else
978
enable_x11_shared=no
979
EXTRA_LDFLAGS="$EXTRA_LDFLAGS $X_LIBS -lX11 -lXext"
980
fi
981
have_video=yes
982
983
AC_ARG_ENABLE(video-x11-vm,
984
AC_HELP_STRING([--enable-video-x11-vm], [use X11 VM extension for fullscreen [[default=yes]]]),
985
986
, enable_video_x11_vm=yes)
if test x$enable_video_x11_vm = xyes; then
987
988
AC_DEFINE(SDL_VIDEO_DRIVER_X11_VIDMODE)
SOURCES="$SOURCES $srcdir/src/video/Xext/Xxf86vm/*.c"
989
990
fi
AC_ARG_ENABLE(video-x11-xv,
991
AC_HELP_STRING([--enable-video-x11-xv], [use X11 XvImage extension for video [[default=yes]]]),
992
993
, enable_video_x11_xv=yes)
if test x$enable_video_x11_xv = xyes; then
994
995
AC_DEFINE(SDL_VIDEO_DRIVER_X11_XV)
SOURCES="$SOURCES $srcdir/src/video/Xext/Xv/*.c"
996
fi
997
AC_ARG_ENABLE(video-x11-xinerama,
998
AC_HELP_STRING([--enable-video-x11-xinerama], [enable X11 Xinerama support [[default=yes]]]),
999
1000
, enable_video_x11_xinerama=yes)
if test x$enable_video_x11_xinerama = xyes; then