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# Configure paths for SDLmm
# David Hedbor, 2000-07-22
# stolen from SDL
# stolen from Manish Singh
# stolen back from Frank Belew
# stolen from Manish Singh
# Shamelessly stolen from Owen Taylor
dnl AM_PATH_SDLMM([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
dnl Test for SDLmm, and define SDLMM_CXXFLAGS and SDLMM_LIBS
dnl
AC_DEFUN(AM_PATH_SDLMM,
[dnl
dnl Get the cflags and libraries from the ismap-config script
dnl
AC_ARG_WITH(sdlmm-prefix,[ --with-sdlmm-prefix=PFX Prefix where SDLmm is installed (optional)],
sdlmm_prefix="$withval", sdlmm_prefix="")
AC_ARG_WITH(sdlmm-exec-prefix,[ --with-sdlmm-exec-prefix=PFX Exec prefix where SDLmm is installed (optional)],
sdlmm_exec_prefix="$withval", sdlmm_exec_prefix="")
AC_ARG_ENABLE(sdlmmtest, [ --disable-sdlmmtest Do not try to compile and run a test SDLmm program],
, enable_sdlmmtest=yes)
if test x$sdlmm_exec_prefix != x ; then
sdlmm_args="$sdlmm_args --exec-prefix=$sdlmm_exec_prefix"
if test x${SDLMM_CONFIG+set} != xset ; then
SDLMM_CONFIG=$sdlmm_exec_prefix/bin/sdlmm-config
fi
fi
if test x$sdlmm_prefix != x ; then
sdlmm_args="$sdlmm_args --prefix=$sdlmm_prefix"
if test x${SDLMM_CONFIG+set} != xset ; then
SDLMM_CONFIG=$sdlmm_prefix/bin/sdlmm-config
fi
fi
AC_PATH_PROG(SDLMM_CONFIG, sdlmm-config, no)
min_sdlmm_version=ifelse([$1], ,0.11.0,$1)
AC_MSG_CHECKING(for SDLmm version >= $min_sdlmm_version)
no_sdlmm=""
if test "$SDLMM_CONFIG" = "no" ; then
no_sdlmm=yes
else
SDLMM_CXXFLAGS=`$SDLMM_CONFIG $sdlmmconf_args --cflags`
SDLMM_LIBS=`$SDLMM_CONFIG $sdlmmconf_args --libs`
sdlmm_major_version=`$SDLMM_CONFIG $sdlmm_args --version | \
sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
sdlmm_minor_version=`$SDLMM_CONFIG $sdlmm_args --version | \
sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
sdlmm_micro_version=`$SDLMM_CONFIG $sdlmm_config_args --version | \
sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
if test "x$enable_sdlmmtest" = "xyes" ; then
ac_save_CXXFLAGS="$CXXFLAGS"
ac_save_LIBS="$LIBS"
CXXFLAGS="$CXXFLAGS $SDLMM_CXXFLAGS"
LIBS="$LIBS $SDLMM_LIBS"
dnl
dnl Now check if the installed SDLmm is sufficiently new. (Also sanity
dnl checks the results of sdlmm-config to some extent
dnl
rm -f conf.sdlmmtest
AC_TRY_RUN([
#include <cstdio>
#include <cstring>
#include "SDLmm/sdlmm.h"
char*
my_strdup (char *str)
{
char *new_str;
if (str)
{
new_str = (char *)malloc ((std::strlen (str) + 1) * sizeof(char));
std::strcpy (new_str, str);
}
else
new_str = NULL;
return new_str;
}
int main (int argc, char *argv[])
{
int major, minor, micro;
char *tmp_version;
/* This hangs on some systems (?)
system ("touch conf.sdlmmtest");
*/
{ FILE *fp = fopen("conf.sdlmmtest", "a"); if ( fp ) fclose(fp); }
/* HP/UX 9 (%@#!) writes to sscanf strings */
tmp_version = my_strdup("$min_sdlmm_version");
if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, µ) != 3) {
printf("%s, bad version string\n", "$min_sdlmm_version");
return 1;
}
if (($sdlmm_major_version > major) ||
(($sdlmm_major_version == major) && ($sdlmm_minor_version > minor)) ||
(($sdlmm_major_version == major) && ($sdlmm_minor_version == minor) && ($sdlmm_micro_version >= micro)))
{
return 0;
}
else
{
printf("\n*** 'sdlmm-config --version' returned %d.%d.%d, but the minimum version\n", $sdlmm_major_version, $sdlmm_minor_version, $sdlmm_micro_version);
printf("*** of SDLmm required is %d.%d.%d. If sdlmm-config is correct, then it is\n", major, minor, micro);
printf("*** best to upgrade to the required version.\n");
printf("*** If sdlmm-config was wrong, set the environment variable SDLMM_CONFIG\n");
printf("*** to point to the correct copy of sdlmm-config, and remove the file\n");
printf("*** config.cache before re-running configure\n");
return 1;
}
}
],, no_sdlmm=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
CXXFLAGS="$ac_save_CXXFLAGS"
LIBS="$ac_save_LIBS"
fi
fi
if test "x$no_sdlmm" = x ; then
AC_MSG_RESULT(yes)
ifelse([$2], , :, [$2])
else
AC_MSG_RESULT(no)
if test "$SDLMM_CONFIG" = "no" ; then
echo "*** The sdlmm-config script installed by SDLmm could not be found"
echo "*** If SDLmm was installed in PREFIX, make sure PREFIX/bin is in"
echo "*** your path, or set the SDLMM_CONFIG environment variable to the"
echo "*** full path to sdlmm-config."
else
if test -f conf.sdlmmtest ; then
:
else
echo "*** Could not run SDLmm test program, checking why..."
CXXFLAGS="$CXXFLAGS $SDLMM_CXXFLAGS"
LIBS="$LIBS $SDLMM_LIBS"
AC_TRY_LINK([
#include <cstdio>
#include "sdlmm.h"
], [ return 0; ],
[ echo "*** The test program compiled, but did not run. This usually means"
echo "*** that the run-time linker is not finding SDLmm or finding the wrong"
echo "*** version of SDLmm. If it is not finding SDLmm, you'll need to set your"
echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
echo "*** to the installed location Also, make sure you have run ldconfig if that"
echo "*** is required on your system"
echo "***"
echo "*** If you have an old version installed, it is best to remove it, although"
echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"],
[ echo "*** The test program failed to compile or link. See the file config.log for the"
echo "*** exact error that occured. This usually means SDLmm was incorrectly installed"
echo "*** or that you have moved SDLmm since it was installed. In the latter case, you"
echo "*** may want to edit the sdlmm-config script: $SDLMM_CONFIG" ])
CXXFLAGS="$ac_save_CXXFLAGS"
LIBS="$ac_save_LIBS"
fi
fi
SDLMM_CXXFLAGS=""
SDLMM_LIBS=""
ifelse([$3], , :, [$3])
fi
AC_SUBST(SDLMM_CXXFLAGS)
AC_SUBST(SDLMM_LIBS)
rm -f conf.sdlmmtest
])
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