mirror of
https://github.com/retro100/dosbox-wii.git
synced 2024-11-16 15:19:15 +01:00
411 lines
13 KiB
Plaintext
411 lines
13 KiB
Plaintext
dnl AM_PATH_SDL([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
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dnl Test for SDL, and define SDL_CFLAGS and SDL_LIBS
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dnl
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AC_DEFUN([AM_PATH_SDL],
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[dnl
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dnl Get the cflags and libraries from the sdl-config script
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dnl
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AC_ARG_WITH(sdl-prefix,[ --with-sdl-prefix=PFX Prefix where SDL is installed (optional)],
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sdl_prefix="$withval", sdl_prefix="")
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AC_ARG_WITH(sdl-exec-prefix,[ --with-sdl-exec-prefix=PFX Exec prefix where SDL is installed (optional)],
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sdl_exec_prefix="$withval", sdl_exec_prefix="")
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AC_ARG_ENABLE(sdltest, [ --disable-sdltest Do not try to compile and run a test SDL program],
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, enable_sdltest=yes)
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if test x$sdl_exec_prefix != x ; then
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sdl_args="$sdl_args --exec-prefix=$sdl_exec_prefix"
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if test x${SDL_CONFIG+set} != xset ; then
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SDL_CONFIG=$sdl_exec_prefix/bin/sdl-config
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fi
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fi
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if test x$sdl_prefix != x ; then
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sdl_args="$sdl_args --prefix=$sdl_prefix"
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if test x${SDL_CONFIG+set} != xset ; then
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SDL_CONFIG=$sdl_prefix/bin/sdl-config
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fi
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fi
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AC_PATH_PROG(SDL_CONFIG, sdl-config, no)
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min_sdl_version=ifelse([$1], ,0.11.0,$1)
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AC_MSG_CHECKING(for SDL - version >= $min_sdl_version)
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no_sdl=""
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if test "$SDL_CONFIG" = "no" ; then
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no_sdl=yes
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else
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SDL_CFLAGS=`$SDL_CONFIG $sdlconf_args --cflags`
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SDL_LIBS=`$SDL_CONFIG $sdlconf_args --libs`
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sdl_major_version=`$SDL_CONFIG $sdl_args --version | \
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sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
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sdl_minor_version=`$SDL_CONFIG $sdl_args --version | \
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sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
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sdl_micro_version=`$SDL_CONFIG $sdl_config_args --version | \
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sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
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if test "x$enable_sdltest" = "xyes" ; then
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ac_save_CFLAGS="$CFLAGS"
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ac_save_LIBS="$LIBS"
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CFLAGS="$CFLAGS $SDL_CFLAGS"
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LIBS="$LIBS $SDL_LIBS"
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dnl
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dnl Now check if the installed SDL is sufficiently new. (Also sanity
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dnl checks the results of sdl-config to some extent
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dnl
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rm -f conf.sdltest
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AC_TRY_RUN([
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "SDL.h"
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char*
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my_strdup (char *str)
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{
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char *new_str;
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if (str)
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{
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new_str = (char *)malloc ((strlen (str) + 1) * sizeof(char));
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strcpy (new_str, str);
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}
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else
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new_str = NULL;
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return new_str;
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}
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int main (int argc, char *argv[])
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{
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int major, minor, micro;
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char *tmp_version;
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/* This hangs on some systems (?)
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system ("touch conf.sdltest");
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*/
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{ FILE *fp = fopen("conf.sdltest", "a"); if ( fp ) fclose(fp); }
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/* HP/UX 9 (%@#!) writes to sscanf strings */
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tmp_version = my_strdup("$min_sdl_version");
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if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, µ) != 3) {
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printf("%s, bad version string\n", "$min_sdl_version");
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exit(1);
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}
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if (($sdl_major_version > major) ||
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(($sdl_major_version == major) && ($sdl_minor_version > minor)) ||
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(($sdl_major_version == major) && ($sdl_minor_version == minor) && ($sdl_micro_version >= micro)))
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{
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return 0;
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}
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else
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{
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printf("\n*** 'sdl-config --version' returned %d.%d.%d, but the minimum version\n", $sdl_major_version, $sdl_minor_version, $sdl_micro_version);
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printf("*** of SDL required is %d.%d.%d. If sdl-config is correct, then it is\n", major, minor, micro);
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printf("*** best to upgrade to the required version.\n");
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printf("*** If sdl-config was wrong, set the environment variable SDL_CONFIG\n");
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printf("*** to point to the correct copy of sdl-config, and remove the file\n");
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printf("*** config.cache before re-running configure\n");
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return 1;
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}
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}
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],, no_sdl=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
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CFLAGS="$ac_save_CFLAGS"
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LIBS="$ac_save_LIBS"
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fi
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fi
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if test "x$no_sdl" = x ; then
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AC_MSG_RESULT(yes)
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ifelse([$2], , :, [$2])
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else
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AC_MSG_RESULT(no)
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if test "$SDL_CONFIG" = "no" ; then
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echo "*** The sdl-config script installed by SDL could not be found"
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echo "*** If SDL was installed in PREFIX, make sure PREFIX/bin is in"
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echo "*** your path, or set the SDL_CONFIG environment variable to the"
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echo "*** full path to sdl-config."
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else
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if test -f conf.sdltest ; then
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:
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else
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echo "*** Could not run SDL test program, checking why..."
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CFLAGS="$CFLAGS $SDL_CFLAGS"
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LIBS="$LIBS $SDL_LIBS"
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AC_TRY_LINK([
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#include <stdio.h>
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#include "SDL.h"
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], [ return 0; ],
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[ echo "*** The test program compiled, but did not run. This usually means"
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echo "*** that the run-time linker is not finding SDL or finding the wrong"
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echo "*** version of SDL. If it is not finding SDL, you'll need to set your"
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echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
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echo "*** to the installed location Also, make sure you have run ldconfig if that"
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echo "*** is required on your system"
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echo "***"
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echo "*** If you have an old version installed, it is best to remove it, although"
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echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"],
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[ echo "*** The test program failed to compile or link. See the file config.log for the"
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echo "*** exact error that occurred. This usually means SDL was incorrectly installed"
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echo "*** or that you have moved SDL since it was installed. In the latter case, you"
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echo "*** may want to edit the sdl-config script: $SDL_CONFIG" ])
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CFLAGS="$ac_save_CFLAGS"
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LIBS="$ac_save_LIBS"
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fi
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fi
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SDL_CFLAGS=""
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SDL_LIBS=""
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ifelse([$3], , :, [$3])
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fi
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AC_SUBST(SDL_CFLAGS)
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AC_SUBST(SDL_LIBS)
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rm -f conf.sdltest
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])
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dnl Configure Paths for Alsa
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dnl Some modifications by Richard Boulton <richard-alsa@tartarus.org>
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dnl Christopher Lansdown <lansdoct@cs.alfred.edu>
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dnl Jaroslav Kysela <perex@suse.cz>
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dnl Last modification: alsa.m4,v 1.22 2002/05/27 11:14:20 tiwai Exp
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dnl AM_PATH_ALSA([MINIMUM-VERSION [, ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
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dnl Test for libasound, and define ALSA_CFLAGS and ALSA_LIBS as appropriate.
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dnl enables arguments --with-alsa-prefix=
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dnl --with-alsa-enc-prefix=
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dnl --disable-alsatest (this has no effect, as yet)
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dnl
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dnl For backwards compatibility, if ACTION_IF_NOT_FOUND is not specified,
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dnl and the alsa libraries are not found, a fatal AC_MSG_ERROR() will result.
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dnl
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AC_DEFUN([AM_PATH_ALSA],
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[dnl Save the original CFLAGS, LDFLAGS, and LIBS
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alsa_save_CFLAGS="$CFLAGS"
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alsa_save_LDFLAGS="$LDFLAGS"
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alsa_save_LIBS="$LIBS"
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alsa_found=yes
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dnl
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dnl Get the cflags and libraries for alsa
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dnl
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AC_ARG_WITH(alsa-prefix,
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[ --with-alsa-prefix=PFX Prefix where Alsa library is installed(optional)],
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[alsa_prefix="$withval"], [alsa_prefix=""])
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AC_ARG_WITH(alsa-inc-prefix,
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[ --with-alsa-inc-prefix=PFX Prefix where include libraries are (optional)],
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[alsa_inc_prefix="$withval"], [alsa_inc_prefix=""])
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dnl FIXME: this is not yet implemented
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AC_ARG_ENABLE(alsatest,
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[ --disable-alsatest Do not try to compile and run a test Alsa program],
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[enable_alsatest=no],
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[enable_alsatest=yes])
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dnl Add any special include directories
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AC_MSG_CHECKING(for ALSA CFLAGS)
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if test "$alsa_inc_prefix" != "" ; then
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ALSA_CFLAGS="$ALSA_CFLAGS -I$alsa_inc_prefix"
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CFLAGS="$CFLAGS -I$alsa_inc_prefix"
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fi
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AC_MSG_RESULT($ALSA_CFLAGS)
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dnl add any special lib dirs
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AC_MSG_CHECKING(for ALSA LDFLAGS)
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if test "$alsa_prefix" != "" ; then
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ALSA_LIBS="$ALSA_LIBS -L$alsa_prefix"
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LDFLAGS="$LDFLAGS $ALSA_LIBS"
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fi
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dnl add the alsa library
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ALSA_LIBS="$ALSA_LIBS -lasound -lm -ldl -lpthread"
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LIBS=`echo $LIBS | sed 's/-lm//'`
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LIBS=`echo $LIBS | sed 's/-ldl//'`
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LIBS=`echo $LIBS | sed 's/-lpthread//'`
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LIBS=`echo $LIBS | sed 's/ //'`
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LIBS="$ALSA_LIBS $LIBS"
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AC_MSG_RESULT($ALSA_LIBS)
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dnl Check for a working version of libasound that is of the right version.
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min_alsa_version=ifelse([$1], ,0.1.1,$1)
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AC_MSG_CHECKING(for libasound headers version >= $min_alsa_version)
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no_alsa=""
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alsa_min_major_version=`echo $min_alsa_version | \
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sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
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alsa_min_minor_version=`echo $min_alsa_version | \
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sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
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alsa_min_micro_version=`echo $min_alsa_version | \
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sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
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AC_LANG_SAVE
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AC_LANG_C
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AC_TRY_COMPILE([
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#include <alsa/asoundlib.h>
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], [
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/* ensure backward compatibility */
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#if !defined(SND_LIB_MAJOR) && defined(SOUNDLIB_VERSION_MAJOR)
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#define SND_LIB_MAJOR SOUNDLIB_VERSION_MAJOR
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#endif
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#if !defined(SND_LIB_MINOR) && defined(SOUNDLIB_VERSION_MINOR)
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#define SND_LIB_MINOR SOUNDLIB_VERSION_MINOR
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#endif
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#if !defined(SND_LIB_SUBMINOR) && defined(SOUNDLIB_VERSION_SUBMINOR)
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#define SND_LIB_SUBMINOR SOUNDLIB_VERSION_SUBMINOR
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#endif
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# if(SND_LIB_MAJOR > $alsa_min_major_version)
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exit(0);
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# else
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# if(SND_LIB_MAJOR < $alsa_min_major_version)
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# error not present
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# endif
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# if(SND_LIB_MINOR > $alsa_min_minor_version)
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exit(0);
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# else
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# if(SND_LIB_MINOR < $alsa_min_minor_version)
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# error not present
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# endif
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# if(SND_LIB_SUBMINOR < $alsa_min_micro_version)
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# error not present
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# endif
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# endif
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# endif
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exit(0);
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],
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[AC_MSG_RESULT(found.)],
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[AC_MSG_RESULT(not present.)
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ifelse([$3], , [AC_MSG_ERROR(Sufficiently new version of libasound not found.)])
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alsa_found=no]
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)
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AC_LANG_RESTORE
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dnl Now that we know that we have the right version, let's see if we have the library and not just the headers.
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AC_CHECK_LIB([asound], [snd_ctl_open],,
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[ifelse([$3], , [AC_MSG_ERROR(No linkable libasound was found.)])
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alsa_found=no]
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)
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if test "x$alsa_found" = "xyes" ; then
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ifelse([$2], , :, [$2])
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LIBS=`echo $LIBS | sed 's/-lasound//g'`
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LIBS=`echo $LIBS | sed 's/ //'`
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LIBS="-lasound $LIBS"
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fi
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if test "x$alsa_found" = "xno" ; then
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ifelse([$3], , :, [$3])
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CFLAGS="$alsa_save_CFLAGS"
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LDFLAGS="$alsa_save_LDFLAGS"
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LIBS="$alsa_save_LIBS"
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ALSA_CFLAGS=""
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ALSA_LIBS=""
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fi
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dnl That should be it. Now just export out symbols:
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AC_SUBST(ALSA_CFLAGS)
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AC_SUBST(ALSA_LIBS)
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])
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AH_TOP([
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/*
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* Copyright (C) 2002-2019 The DOSBox Team
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Library General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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])
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AH_BOTTOM([#if C_ATTRIBUTE_ALWAYS_INLINE
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#define INLINE inline __attribute__((always_inline))
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#else
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#define INLINE inline
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#endif])
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AH_BOTTOM([#if C_ATTRIBUTE_FASTCALL
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#define DB_FASTCALL __attribute__((fastcall))
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#else
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#define DB_FASTCALL
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#endif])
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AH_BOTTOM([#if C_HAS_ATTRIBUTE
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#define GCC_ATTRIBUTE(x) __attribute__ ((x))
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#else
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#define GCC_ATTRIBUTE(x) /* attribute not supported */
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#endif])
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AH_BOTTOM([#if C_HAS_BUILTIN_EXPECT
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#define GCC_UNLIKELY(x) __builtin_expect((x),0)
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#define GCC_LIKELY(x) __builtin_expect((x),1)
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#else
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#define GCC_UNLIKELY(x) (x)
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#define GCC_LIKELY(x) (x)
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#endif])
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AH_BOTTOM([
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typedef double Real64;
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#if SIZEOF_UNSIGNED_CHAR != 1
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# error "sizeof (unsigned char) != 1"
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#else
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typedef unsigned char Bit8u;
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typedef signed char Bit8s;
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#endif
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#if SIZEOF_UNSIGNED_SHORT != 2
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# error "sizeof (unsigned short) != 2"
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#else
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typedef unsigned short Bit16u;
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typedef signed short Bit16s;
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#endif
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#if SIZEOF_UNSIGNED_INT == 4
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typedef unsigned int Bit32u;
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typedef signed int Bit32s;
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#define sBit32t
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#elif SIZEOF_UNSIGNED_LONG == 4
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typedef unsigned long Bit32u;
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typedef signed long Bit32s;
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#define sBit32t "l"
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#else
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# error "can't find sizeof(type) of 4 bytes!"
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#endif
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#define sBit32fs(a) sBit32t #a
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#if SIZEOF_UNSIGNED_LONG == 8
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typedef unsigned long Bit64u;
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typedef signed long Bit64s;
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#define sBit64t "l"
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#elif SIZEOF_UNSIGNED_LONG_LONG == 8
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typedef unsigned long long Bit64u;
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typedef signed long long Bit64s;
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#define sBit64t "ll"
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#else
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# error "can't find data type of 8 bytes"
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#endif
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#define sBit64fs(a) sBit64t #a
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#if SIZEOF_INT_P == 4
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typedef Bit32u Bitu;
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typedef Bit32s Bits;
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#define sBitfs sBit32fs
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#else //SIZEOF_INT_P
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typedef Bit64u Bitu;
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typedef Bit64s Bits;
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#define sBitfs sBit64fs
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#endif
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])
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