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168 lines
6.2 KiB
168 lines
6.2 KiB
15 years ago
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# Configure paths for SDLmm
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# David Hedbor, 2000-07-22
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# stolen from SDL
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# stolen from Manish Singh
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# stolen back from Frank Belew
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# stolen from Manish Singh
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# Shamelessly stolen from Owen Taylor
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dnl AM_PATH_SDLMM([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
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dnl Test for SDLmm, and define SDLMM_CXXFLAGS and SDLMM_LIBS
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dnl
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AC_DEFUN(AM_PATH_SDLMM,
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[dnl
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dnl Get the cflags and libraries from the ismap-config script
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dnl
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AC_ARG_WITH(sdlmm-prefix,[ --with-sdlmm-prefix=PFX Prefix where SDLmm is installed (optional)],
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sdlmm_prefix="$withval", sdlmm_prefix="")
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AC_ARG_WITH(sdlmm-exec-prefix,[ --with-sdlmm-exec-prefix=PFX Exec prefix where SDLmm is installed (optional)],
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sdlmm_exec_prefix="$withval", sdlmm_exec_prefix="")
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AC_ARG_ENABLE(sdlmmtest, [ --disable-sdlmmtest Do not try to compile and run a test SDLmm program],
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, enable_sdlmmtest=yes)
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if test x$sdlmm_exec_prefix != x ; then
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sdlmm_args="$sdlmm_args --exec-prefix=$sdlmm_exec_prefix"
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if test x${SDLMM_CONFIG+set} != xset ; then
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SDLMM_CONFIG=$sdlmm_exec_prefix/bin/sdlmm-config
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fi
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fi
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if test x$sdlmm_prefix != x ; then
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sdlmm_args="$sdlmm_args --prefix=$sdlmm_prefix"
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if test x${SDLMM_CONFIG+set} != xset ; then
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SDLMM_CONFIG=$sdlmm_prefix/bin/sdlmm-config
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fi
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fi
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AC_PATH_PROG(SDLMM_CONFIG, sdlmm-config, no)
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min_sdlmm_version=ifelse([$1], ,0.11.0,$1)
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AC_MSG_CHECKING(for SDLmm version >= $min_sdlmm_version)
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no_sdlmm=""
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if test "$SDLMM_CONFIG" = "no" ; then
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no_sdlmm=yes
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else
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SDLMM_CXXFLAGS=`$SDLMM_CONFIG $sdlmmconf_args --cflags`
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SDLMM_LIBS=`$SDLMM_CONFIG $sdlmmconf_args --libs`
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sdlmm_major_version=`$SDLMM_CONFIG $sdlmm_args --version | \
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sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
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sdlmm_minor_version=`$SDLMM_CONFIG $sdlmm_args --version | \
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sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
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sdlmm_micro_version=`$SDLMM_CONFIG $sdlmm_config_args --version | \
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sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
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if test "x$enable_sdlmmtest" = "xyes" ; then
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ac_save_CXXFLAGS="$CXXFLAGS"
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ac_save_LIBS="$LIBS"
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CXXFLAGS="$CXXFLAGS $SDLMM_CXXFLAGS"
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LIBS="$LIBS $SDLMM_LIBS"
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dnl
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dnl Now check if the installed SDLmm is sufficiently new. (Also sanity
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dnl checks the results of sdlmm-config to some extent
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dnl
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rm -f conf.sdlmmtest
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AC_TRY_RUN([
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#include <cstdio>
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#include <cstring>
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#include "SDLmm/sdlmm.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 ((std::strlen (str) + 1) * sizeof(char));
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std::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.sdlmmtest");
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*/
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{ FILE *fp = fopen("conf.sdlmmtest", "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_sdlmm_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", "$min_sdlmm_version");
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return 1;
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}
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if (($sdlmm_major_version > major) ||
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(($sdlmm_major_version == major) && ($sdlmm_minor_version > minor)) ||
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(($sdlmm_major_version == major) && ($sdlmm_minor_version == minor) && ($sdlmm_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*** 'sdlmm-config --version' returned %d.%d.%d, but the minimum version\n", $sdlmm_major_version, $sdlmm_minor_version, $sdlmm_micro_version);
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printf("*** of SDLmm required is %d.%d.%d. If sdlmm-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 sdlmm-config was wrong, set the environment variable SDLMM_CONFIG\n");
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printf("*** to point to the correct copy of sdlmm-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_sdlmm=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
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CXXFLAGS="$ac_save_CXXFLAGS"
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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_sdlmm" = x ; then
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AC_MSG_RESULT(yes)
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ifelse([$2], , :, [$2])
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else
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AC_MSG_RESULT(no)
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if test "$SDLMM_CONFIG" = "no" ; then
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echo "*** The sdlmm-config script installed by SDLmm could not be found"
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echo "*** If SDLmm was installed in PREFIX, make sure PREFIX/bin is in"
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echo "*** your path, or set the SDLMM_CONFIG environment variable to the"
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echo "*** full path to sdlmm-config."
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else
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if test -f conf.sdlmmtest ; then
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:
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else
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echo "*** Could not run SDLmm test program, checking why..."
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CXXFLAGS="$CXXFLAGS $SDLMM_CXXFLAGS"
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LIBS="$LIBS $SDLMM_LIBS"
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AC_TRY_LINK([
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#include <cstdio>
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#include "sdlmm.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 SDLmm or finding the wrong"
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echo "*** version of SDLmm. If it is not finding SDLmm, 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 occured. This usually means SDLmm was incorrectly installed"
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echo "*** or that you have moved SDLmm since it was installed. In the latter case, you"
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echo "*** may want to edit the sdlmm-config script: $SDLMM_CONFIG" ])
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CXXFLAGS="$ac_save_CXXFLAGS"
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LIBS="$ac_save_LIBS"
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fi
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fi
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SDLMM_CXXFLAGS=""
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SDLMM_LIBS=""
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ifelse([$3], , :, [$3])
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fi
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AC_SUBST(SDLMM_CXXFLAGS)
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AC_SUBST(SDLMM_LIBS)
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rm -f conf.sdlmmtest
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])
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