dosbox-x/acinclude.m4
Jonathan Campbell 593e92d7f6 Update SDL 1.x to look towards our own internal copy IF the one
compiling our source has first compiled and built SDL 1.x within our
source dir.
2017-12-13 16:16:29 -08:00

339 lines
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dnl AM_PATH_SDL2([MINIMUM-VERSION])
AC_DEFUN([AM_PATH_SDL2],
[
AC_ARG_WITH(sdl2-prefix,[ --with-sdl2-prefix=PFX Prefix where SDL2 is installed (optional)],
sdl2_prefix="$withval", sdl2_prefix="")
AC_ARG_WITH(sdl2-exec-prefix,[ --with-sdl2-exec-prefix=PFX Exec prefix where SDL2 is installed (optional)],
sdl2_exec_prefix="$withval", sdl2_exec_prefix="")
AC_ARG_ENABLE(sdl2test, [ --disable-sdl2test Do not try to compile and run a test SDL program],
enable_sdl2test=no, enable_sdl2test=yes)
AC_ARG_ENABLE(sdl2, [ --enable-sdl2 Enable SDL 2.x],
enable_sdl2enable=$enableval, enable_sdl2enable=no)
AH_TEMPLATE(C_SDL2,[Set to 1 to enable SDL 2.x support])
SDL2_CONFIG=no
if test x$enable_sdl2enable = xyes ; then
if test x$sdl2_exec_prefix != x ; then
sdl2_args="$sdl2_args --exec-prefix=$sdl2_exec_prefix"
if test x${SDL2_CONFIG+set} != xset ; then
SDL2_CONFIG=$sdl2_exec_prefix/bin/sdl2-config
fi
fi
if test x$sdl2_prefix != x ; then
sdl2_args="$sdl2_args --prefix=$sdl2_prefix"
if test x${SDL2_CONFIG+set} != xset ; then
SDL2_CONFIG=$sdl2_prefix/bin/sdl2-config
fi
fi
AC_PATH_PROG(SDL2_CONFIG, sdl2-config, no)
min_sdl2_version=ifelse([$1], ,0.11.0,$1)
AC_MSG_CHECKING(for SDL2 - version >= $min_sdl2_version)
no_sdl2=""
if test "$SDL2_CONFIG" = "no" ; then
no_sdl2=yes
else
SDL2_CFLAGS=`$SDL2_CONFIG $sdl2conf_args --cflags`
SDL2_LIBS=`$SDL2_CONFIG $sdl2conf_args --libs`
AC_DEFINE(C_SDL2,1)
fi
fi
AC_SUBST(SDL2_CFLAGS)
AC_SUBST(SDL2_LIBS)
])
dnl AM_PATH_SDL([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
dnl Test for SDL, and define SDL_CFLAGS and SDL_LIBS
dnl
AC_DEFUN([AM_PATH_SDL],
[dnl
dnl Get the cflags and libraries from the sdl-config script
dnl
AC_ARG_WITH(sdl-prefix,[ --with-sdl-prefix=PFX Prefix where SDL is installed (optional)],
sdl_prefix="$withval", sdl_prefix="")
AC_ARG_WITH(sdl-exec-prefix,[ --with-sdl-exec-prefix=PFX Exec prefix where SDL is installed (optional)],
sdl_exec_prefix="$withval", sdl_exec_prefix="")
AC_ARG_ENABLE(sdltest, [ --disable-sdltest Do not try to compile and run a test SDL program],
enable_sdltest=no, enable_sdltest=yes)
AC_ARG_ENABLE(sdl, [ --enable-sdl Enable SDL 1.x],
enable_sdlenable=$enableval, enable_sdlenable=yes)
AH_TEMPLATE(C_SDL1,[Set to 1 to enable SDL 1.x support])
SDL_CONFIG=no
if test x$enable_sdlenable = xyes ; then
if test x$sdl_exec_prefix != x ; then
sdl_args="$sdl_args --exec-prefix=$sdl_exec_prefix"
if test x${SDL_CONFIG+set} != xset ; then
SDL_CONFIG=$sdl_exec_prefix/bin/sdl-config
fi
fi
if test x$sdl_prefix != x ; then
sdl_args="$sdl_args --prefix=$sdl_prefix"
if test x${SDL_CONFIG+set} != xset ; then
SDL_CONFIG=$sdl_prefix/bin/sdl-config
fi
fi
if test -x vs2015/sdl/linux-host/bin/sdl-config ; then
SDL_CONFIG=vs2015/sdl/linux-host/bin/sdl-config
PATH=vs2015/sdl/linux-host/bin:$PATH
fi
AC_PATH_PROG(SDL_CONFIG, sdl-config, no)
min_sdl_version=ifelse([$1], ,0.11.0,$1)
AC_MSG_CHECKING(for SDL - version >= $min_sdl_version)
no_sdl=""
if test "$SDL_CONFIG" = "no" ; then
no_sdl=yes
else
SDL_CFLAGS=`$SDL_CONFIG $sdlconf_args --cflags`
SDL_LIBS=`$SDL_CONFIG $sdlconf_args --libs`
AC_DEFINE(C_SDL1,1)
fi
fi
AC_SUBST(SDL_CFLAGS)
AC_SUBST(SDL_LIBS)
])
dnl Configure Paths for Alsa
dnl Some modifications by Richard Boulton <richard-alsa@tartarus.org>
dnl Christopher Lansdown <lansdoct@cs.alfred.edu>
dnl Jaroslav Kysela <perex@suse.cz>
dnl Last modification: alsa.m4,v 1.22 2002/05/27 11:14:20 tiwai Exp
dnl AM_PATH_ALSA([MINIMUM-VERSION [, ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
dnl Test for libasound, and define ALSA_CFLAGS and ALSA_LIBS as appropriate.
dnl enables arguments --with-alsa-prefix=
dnl --with-alsa-enc-prefix=
dnl --disable-alsatest (this has no effect, as yet)
dnl
dnl For backwards compatibility, if ACTION_IF_NOT_FOUND is not specified,
dnl and the alsa libraries are not found, a fatal AC_MSG_ERROR() will result.
dnl
AC_DEFUN([AM_PATH_ALSA],
[dnl Save the original CFLAGS, LDFLAGS, and LIBS
alsa_save_CFLAGS="$CFLAGS"
alsa_save_LDFLAGS="$LDFLAGS"
alsa_save_LIBS="$LIBS"
alsa_found=yes
dnl
dnl Get the cflags and libraries for alsa
dnl
AC_ARG_WITH(alsa-prefix,
[ --with-alsa-prefix=PFX Prefix where Alsa library is installed(optional)],
[alsa_prefix="$withval"], [alsa_prefix=""])
AC_ARG_WITH(alsa-inc-prefix,
[ --with-alsa-inc-prefix=PFX Prefix where include libraries are (optional)],
[alsa_inc_prefix="$withval"], [alsa_inc_prefix=""])
dnl FIXME: this is not yet implemented
AC_ARG_ENABLE(alsatest,
[ --disable-alsatest Do not try to compile and run a test Alsa program],
[enable_alsatest=no],
[enable_alsatest=yes])
dnl Add any special include directories
AC_MSG_CHECKING(for ALSA CFLAGS)
if test "$alsa_inc_prefix" != "" ; then
ALSA_CFLAGS="$ALSA_CFLAGS -I$alsa_inc_prefix"
CFLAGS="$CFLAGS -I$alsa_inc_prefix"
fi
AC_MSG_RESULT($ALSA_CFLAGS)
dnl add any special lib dirs
AC_MSG_CHECKING(for ALSA LDFLAGS)
if test "$alsa_prefix" != "" ; then
ALSA_LIBS="$ALSA_LIBS -L$alsa_prefix"
LDFLAGS="$LDFLAGS $ALSA_LIBS"
fi
dnl add the alsa library
ALSA_LIBS="$ALSA_LIBS -lasound -lm -ldl -lpthread"
LIBS=`echo $LIBS | sed 's/-lm//'`
LIBS=`echo $LIBS | sed 's/-ldl//'`
LIBS=`echo $LIBS | sed 's/-lpthread//'`
LIBS=`echo $LIBS | sed 's/ //'`
LIBS="$ALSA_LIBS $LIBS"
AC_MSG_RESULT($ALSA_LIBS)
dnl Check for a working version of libasound that is of the right version.
min_alsa_version=ifelse([$1], ,0.1.1,$1)
AC_MSG_CHECKING(for libasound headers version >= $min_alsa_version)
no_alsa=""
alsa_min_major_version=`echo $min_alsa_version | \
sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
alsa_min_minor_version=`echo $min_alsa_version | \
sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
alsa_min_micro_version=`echo $min_alsa_version | \
sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
AC_LANG_SAVE
AC_LANG_C
AC_TRY_COMPILE([
#include <alsa/asoundlib.h>
], [
/* ensure backward compatibility */
#if !defined(SND_LIB_MAJOR) && defined(SOUNDLIB_VERSION_MAJOR)
#define SND_LIB_MAJOR SOUNDLIB_VERSION_MAJOR
#endif
#if !defined(SND_LIB_MINOR) && defined(SOUNDLIB_VERSION_MINOR)
#define SND_LIB_MINOR SOUNDLIB_VERSION_MINOR
#endif
#if !defined(SND_LIB_SUBMINOR) && defined(SOUNDLIB_VERSION_SUBMINOR)
#define SND_LIB_SUBMINOR SOUNDLIB_VERSION_SUBMINOR
#endif
# if(SND_LIB_MAJOR > $alsa_min_major_version)
exit(0);
# else
# if(SND_LIB_MAJOR < $alsa_min_major_version)
# error not present
# endif
# if(SND_LIB_MINOR > $alsa_min_minor_version)
exit(0);
# else
# if(SND_LIB_MINOR < $alsa_min_minor_version)
# error not present
# endif
# if(SND_LIB_SUBMINOR < $alsa_min_micro_version)
# error not present
# endif
# endif
# endif
exit(0);
],
[AC_MSG_RESULT(found.)],
[AC_MSG_RESULT(not present.)
ifelse([$3], , [AC_MSG_ERROR(Sufficiently new version of libasound not found.)])
alsa_found=no]
)
AC_LANG_RESTORE
dnl Now that we know that we have the right version, let's see if we have the library and not just the headers.
AC_CHECK_LIB([asound], [snd_ctl_open],,
[ifelse([$3], , [AC_MSG_ERROR(No linkable libasound was found.)])
alsa_found=no]
)
if test "x$alsa_found" = "xyes" ; then
ifelse([$2], , :, [$2])
LIBS=`echo $LIBS | sed 's/-lasound//g'`
LIBS=`echo $LIBS | sed 's/ //'`
LIBS="-lasound $LIBS"
fi
if test "x$alsa_found" = "xno" ; then
ifelse([$3], , :, [$3])
CFLAGS="$alsa_save_CFLAGS"
LDFLAGS="$alsa_save_LDFLAGS"
LIBS="$alsa_save_LIBS"
ALSA_CFLAGS=""
ALSA_LIBS=""
fi
dnl That should be it. Now just export out symbols:
AC_SUBST(ALSA_CFLAGS)
AC_SUBST(ALSA_LIBS)
])
AH_TOP([
/*
* Copyright (C) 2002-2013 The DOSBox Team
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Library General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
])
AH_BOTTOM([#if C_ATTRIBUTE_ALWAYS_INLINE
#define INLINE inline __attribute__((always_inline))
#else
#define INLINE inline
#endif])
AH_BOTTOM([#if C_ATTRIBUTE_FASTCALL
#define DB_FASTCALL __attribute__((fastcall))
#else
#define DB_FASTCALL
#endif])
AH_BOTTOM([#if C_HAS_ATTRIBUTE
#define GCC_ATTRIBUTE(x) __attribute__ ((x))
#else
#define GCC_ATTRIBUTE(x) /* attribute not supported */
#endif])
AH_BOTTOM([#if C_HAS_BUILTIN_EXPECT
#define GCC_UNLIKELY(x) __builtin_expect((x),0)
#define GCC_LIKELY(x) __builtin_expect((x),1)
#else
#define GCC_UNLIKELY(x) (x)
#define GCC_LIKELY(x) (x)
#endif])
dnl These custom typedefs are unnecessary and should be deprecated.
dnl Linux systems for ages now have had stdint.h to define uint8_t, etc.
AH_BOTTOM([
typedef double Real64;
#if SIZEOF_UNSIGNED_CHAR != 1
# error "sizeof (unsigned char) != 1"
#else
typedef unsigned char Bit8u;
typedef signed char Bit8s;
#endif
#if SIZEOF_UNSIGNED_SHORT != 2
# error "sizeof (unsigned short) != 2"
#else
typedef unsigned short Bit16u;
typedef signed short Bit16s;
#endif
#if SIZEOF_UNSIGNED_INT == 4
typedef unsigned int Bit32u;
typedef signed int Bit32s;
#elif SIZEOF_UNSIGNED_LONG == 4
typedef unsigned long Bit32u;
typedef signed long Bit32s;
#else
# error "can't find sizeof(type) of 4 bytes!"
#endif
#if SIZEOF_UNSIGNED_LONG == 8
typedef unsigned long Bit64u;
typedef signed long Bit64s;
#elif SIZEOF_UNSIGNED_LONG_LONG == 8
typedef unsigned long long Bit64u;
typedef signed long long Bit64s;
#else
# error "can't find data type of 8 bytes"
#endif
#if SIZEOF_INT_P == 4
typedef Bit32u Bitu;
typedef Bit32s Bits;
#else
typedef Bit64u Bitu;
typedef Bit64s Bits;
#endif
])