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rude
193 lines
8.1 KiB
Plaintext
193 lines
8.1 KiB
Plaintext
# Configure paths for Allegro
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# Shamelessly stolen from libxml.a4
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# Jon Rafkind 2004-06-06
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# Adapted from:
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# Configure paths for libXML
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# Toshio Kuratomi 2001-04-21
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# Adapted from:
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# Configure paths for GLIB
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# Owen Taylor 97-11-3
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dnl AM_PATH_allegro([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
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dnl Test for allegro, and define allegro_CFLAGS and allegro_LIBS
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dnl
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AC_DEFUN([AM_PATH_ALLEGRO],[
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AC_ARG_WITH(allegro-prefix,
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[ --with-allegro-prefix=PFX Prefix where liballegro is installed (optional)],
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ALLEGRO_CONFIG_prefix="$withval", ALLEGRO_CONFIG_prefix="")
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AC_ARG_WITH(allegro-exec-prefix,
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[ --with-allegro-exec-prefix=PFX Exec prefix where liballegro is installed (optional)],
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ALLEGRO_CONFIG_exec_prefix="$withval", ALLEGRO_CONFIG_exec_prefix="")
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AC_ARG_ENABLE(allegrotest,
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[ --disable-allegrotest Do not try to compile and run a test LIBallegro program],,
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enable_allegrotest=yes)
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if test x$ALLEGRO_CONFIG_exec_prefix != x ; then
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ALLEGRO_CONFIG_args="$ALLEGRO_CONFIG_args --exec-prefix=$ALLEGRO_CONFIG_exec_prefix"
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if test x${ALLEGRO_CONFIG+set} != xset ; then
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ALLEGRO_CONFIG=$ALLEGRO_CONFIG_exec_prefix/bin/allegro-config
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fi
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fi
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if test x$ALLEGRO_CONFIG_prefix != x ; then
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ALLEGRO_CONFIG_args="$ALLEGRO_CONFIG_args --prefix=$ALLEGRO_CONFIG_prefix"
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if test x${ALLEGRO_CONFIG+set} != xset ; then
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ALLEGRO_CONFIG=$ALLEGRO_CONFIG_prefix/bin/allegro-config
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fi
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fi
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AC_PATH_PROG(ALLEGRO_CONFIG, allegro-config, no)
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min_allegro_version=ifelse([$1], ,4.0.0,[$1])
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AC_MSG_CHECKING(for Allegro - version >= $min_allegro_version)
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no_allegro=""
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if test "$ALLEGRO_CONFIG" = "no" ; then
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no_allegro=yes
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else
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allegro_CFLAGS=`$ALLEGRO_CONFIG $ALLEGRO_CONFIG_args --cflags`
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allegro_LIBS=`$ALLEGRO_CONFIG $ALLEGRO_CONFIG_args --libs`
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ALLEGRO_CONFIG_major_version=`$ALLEGRO_CONFIG $ALLEGRO_CONFIG_args --version | \
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sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
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ALLEGRO_CONFIG_minor_version=`$ALLEGRO_CONFIG $ALLEGRO_CONFIG_args --version | \
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sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
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ALLEGRO_CONFIG_micro_version=`$ALLEGRO_CONFIG $ALLEGRO_CONFIG_args --version | \
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sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
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if test "x$enable_allegrotest" = "xyes" ; then
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ac_save_CFLAGS="$CFLAGS"
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ac_save_LIBS="$LIBS"
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CFLAGS="$CFLAGS $allegro_CFLAGS"
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LIBS="$allegro_LIBS $LIBS"
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dnl
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dnl Now check if the installed liballegro is sufficiently new.
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dnl (Also sanity checks the results of allegro-config to some extent)
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dnl
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rm -f conf.allegrotest
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AC_TRY_RUN([
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <allegro.h>
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int
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main()
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{
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int allegro_major_version, allegro_minor_version, allegro_micro_version;
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int major, minor, micro;
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char *tmp_version;
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int tmp_int_version;
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system("touch conf.allegrotest");
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/* Capture allegro-config output via autoconf/configure variables */
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/* HP/UX 9 (%@#!) writes to sscanf strings */
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tmp_version = (char *)strdup("$min_allegro_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 from allegro-config\n", "$min_allegro_version");
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free(tmp_version);
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exit(1);
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}
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free(tmp_version);
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/* Capture the version information from the header files */
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allegro_major_version = ALLEGRO_VERSION;
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allegro_minor_version = ALLEGRO_SUB_VERSION;
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allegro_micro_version = ALLEGRO_WIP_VERSION;
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/* Compare allegro-config output to the Allegro headers */
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if ((allegro_major_version != $ALLEGRO_CONFIG_major_version) ||
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(allegro_minor_version != $ALLEGRO_CONFIG_minor_version))
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{
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printf("*** Allegro header files (version %d.%d.%d) do not match\n",
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allegro_major_version, allegro_minor_version, allegro_micro_version);
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printf("*** allegro-config (version %d.%d.%d)\n",
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$ALLEGRO_CONFIG_major_version, $ALLEGRO_CONFIG_minor_version, $ALLEGRO_CONFIG_micro_version);
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return 1;
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}
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/* Compare the headers to the library to make sure we match */
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/* Less than ideal -- doesn't provide us with return value feedback,
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* only exits if there's a serious mismatch between header and library.
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*/
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/* TODO:
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* This doesnt work!
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*/
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/* ALLEGRO_TEST_VERSION; */
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/* Test that the library is greater than our minimum version */
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if (($ALLEGRO_CONFIG_major_version > major) ||
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(($ALLEGRO_CONFIG_major_version == major) && ($ALLEGRO_CONFIG_minor_version > minor)) ||
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(($ALLEGRO_CONFIG_major_version == major) && ($ALLEGRO_CONFIG_minor_version == minor) &&
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($ALLEGRO_CONFIG_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*** An old version of Allegro (%d.%d.%d) was found.\n",
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allegro_major_version, allegro_minor_version, allegro_micro_version);
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printf("*** You need a version of Allegro newer than %d.%d.%d. The latest version of\n",
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major, minor, micro);
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printf("*** Allegro is always available from http://alleg.sf.net.\n");
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printf("***\n");
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printf("*** If you have already installed a sufficiently new version, this error\n");
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printf("*** probably means that the wrong copy of the allegro-config shell script is\n");
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printf("*** being found. The easiest way to fix this is to remove the old version\n");
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printf("*** of Allegro, but you can also set the ALLEGRO_CONFIG environment to point to the\n");
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printf("*** correct copy of allegro-config. (In this case, you will have to\n");
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printf("*** modify your LD_LIBRARY_PATH enviroment variable, or edit /etc/ld.so.conf\n");
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printf("*** so that the correct libraries are found at run-time))\n");
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}
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return 1;
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} END_OF_MAIN()
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],, no_allegro=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_allegro" = x ; then
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AC_MSG_RESULT(yes (version $ALLEGRO_CONFIG_major_version.$ALLEGRO_CONFIG_minor_version.$ALLEGRO_CONFIG_micro_version))
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ifelse([$2], , :, [$2])
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else
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AC_MSG_RESULT(no)
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if test "$ALLEGRO_CONFIG" = "no" ; then
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echo "*** The allegro-config script installed by Allegro could not be found"
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echo "*** If Allegro was installed in PREFIX, make sure PREFIX/bin is in"
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echo "*** your path, or set the ALLEGRO_CONFIG environment variable to the"
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echo "*** full path to allegro-config."
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else
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if test -f conf.allegrotest ; then
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:
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else
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echo "*** Could not run Allegro test program, checking why..."
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CFLAGS="$CFLAGS $allegro_CFLAGS"
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LIBS="$LIBS $allegro_LIBS"
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AC_TRY_LINK([
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#include <allegro.h>
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#include <stdio.h>
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], [ ALLEGRO_TEST_VERSION; 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 Allegro or finding the wrong"
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echo "*** version of Allegro. If it is not finding Allegro, 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 Allegro was incorrectly installed"
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echo "*** or that you have moved Allegro since it was installed. In the latter case, you"
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echo "*** may want to edit the allegro-config script: $ALLEGRO_CONFIG" ])
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CFLAGS="$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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allegro_CFLAGS=""
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allegro_LIBS=""
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ifelse([$3], , :, [$3])
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fi
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AC_SUBST(allegro_CFLAGS)
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AC_SUBST(allegro_LIBS)
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rm -f conf.allegrotest
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])
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