diff options
Diffstat (limited to 'm4/aalib.m4')
| -rw-r--r-- | m4/aalib.m4 | 169 |
1 files changed, 169 insertions, 0 deletions
diff --git a/m4/aalib.m4 b/m4/aalib.m4 new file mode 100644 index 00000000..c40b8db8 --- /dev/null +++ b/m4/aalib.m4 @@ -0,0 +1,169 @@ +# Configure paths for AALIB +# Jan Hubicka 4/22/2001 +# stolen from Sam Lantinga 9/21/99 +# stolen from Manish Singh +# stolen back from Frank Belew +# stolen from Manish Singh +# Shamelessly stolen from Owen Taylor + +dnl AM_PATH_AALIB([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]]) +dnl Test for AALIB, and define AALIB_CFLAGS and AALIB_LIBS +dnl +AC_DEFUN(AM_PATH_AALIB, +[dnl +dnl Get the cflags and libraries from the aalib-config script +dnl +AC_ARG_WITH(aalib-prefix,[ --with-aalib-prefix=PFX Prefix where AALIB is installed (optional)], + aalib_prefix="$withval", aalib_prefix="") +AC_ARG_WITH(aalib-exec-prefix,[ --with-aalib-exec-prefix=PFX Exec prefix where AALIB is installed (optional)], + aalib_exec_prefix="$withval", aalib_exec_prefix="") +AC_ARG_ENABLE(aalibtest, [ --disable-aalibtest Do not try to compile and run a test AALIB program], + , enable_aalibtest=yes) + + if test x$aalib_exec_prefix != x ; then + aalib_args="$aalib_args --exec-prefix=$aalib_exec_prefix" + if test x${AALIB_CONFIG+set} != xset ; then + AALIB_CONFIG=$aalib_exec_prefix/bin/aalib-config + fi + fi + if test x$aalib_prefix != x ; then + aalib_args="$aalib_args --prefix=$aalib_prefix" + if test x${AALIB_CONFIG+set} != xset ; then + AALIB_CONFIG=$aalib_prefix/bin/aalib-config + fi + fi + + AC_PATH_PROG(AALIB_CONFIG, aalib-config, no) + min_aalib_version=ifelse([$1], ,0.11.0,$1) + AC_MSG_CHECKING(for AALIB - version >= $min_aalib_version) + no_aalib="" + if test "$AALIB_CONFIG" = "no" ; then + no_aalib=yes + else + AALIB_CFLAGS=`$AALIB_CONFIG $aalibconf_args --cflags` + AALIB_LIBS=`$AALIB_CONFIG $aalibconf_args --libs` + + aalib_major_version=`$AALIB_CONFIG $aalib_args --version | \ + sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'` + aalib_minor_version=`$AALIB_CONFIG $aalib_args --version | \ + sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'` + aalib_micro_version=`$AALIB_CONFIG $aalib_config_args --version | \ + sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'` + if test "x$enable_aalibtest" = "xyes" ; then + ac_save_CFLAGS="$CFLAGS" + ac_save_LIBS="$LIBS" + CFLAGS="$CFLAGS $AALIB_CFLAGS" + LIBS="$LIBS $AALIB_LIBS" +dnl +dnl Now check if the installed AALIB is sufficiently new. (Also sanity +dnl checks the results of aalib-config to some extent +dnl + rm -f conf.aalibtest + AC_TRY_RUN([ +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include "aalib.h" + +char* +my_strdup (char *str) +{ + char *new_str; + + if (str) + { + new_str = (char *)malloc ((strlen (str) + 1) * sizeof(char)); + strcpy (new_str, str); + } + else + new_str = NULL; + + return new_str; +} + +int main (int argc, char *argv[]) +{ + int major, minor, micro; + char *tmp_version; + + /* This hangs on some systems (?) + system ("touch conf.aalibtest"); + */ + { FILE *fp = fopen("conf.aalibtest", "a"); if ( fp ) fclose(fp); } + + /* HP/UX 9 (%@#!) writes to sscanf strings */ + tmp_version = my_strdup("$min_aalib_version"); + if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, µ) != 3) { + printf("%s, bad version string\n", "$min_aalib_version"); + exit(1); + } + + if (($aalib_major_version > major) || + (($aalib_major_version == major) && ($aalib_minor_version > minor)) || + (($aalib_major_version == major) && ($aalib_minor_version == minor) && ($aalib_micro_version >= micro))) + { + return 0; + } + else + { + printf("\n*** 'aalib-config --version' returned %d.%d.%d, but the minimum version\n", $aalib_major_version, $aalib_minor_version, $aalib_micro_version); + printf("*** of AALIB required is %d.%d.%d. If aalib-config is correct, then it is\n", major, minor, micro); + printf("*** best to upgrade to the required version.\n"); + printf("*** If aalib-config was wrong, set the environment variable AALIB_CONFIG\n"); + printf("*** to point to the correct copy of aalib-config, and remove the file\n"); + printf("*** config.cache before re-running configure\n"); + return 1; + } +} + +],, no_aalib=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"]) + CFLAGS="$ac_save_CFLAGS" + LIBS="$ac_save_LIBS" + fi + fi + if test "x$no_aalib" = x ; then + AC_MSG_RESULT(yes) + ifelse([$2], , :, [$2]) + else + AC_MSG_RESULT(no) + if test "$AALIB_CONFIG" = "no" ; then + echo "*** The aalib-config script installed by AALIB could not be found" + echo "*** If AALIB was installed in PREFIX, make sure PREFIX/bin is in" + echo "*** your path, or set the AALIB_CONFIG environment variable to the" + echo "*** full path to aalib-config." + else + if test -f conf.aalibtest ; then + : + else + echo "*** Could not run AALIB test program, checking why..." + CFLAGS="$CFLAGS $AALIB_CFLAGS" + LIBS="$LIBS $AALIB_LIBS" + AC_TRY_LINK([ +#include <stdio.h> +#include "AALIB.h" +], [ return 0; ], + [ echo "*** The test program compiled, but did not run. This usually means" + echo "*** that the run-time linker is not finding AALIB or finding the wrong" + echo "*** version of AALIB. If it is not finding AALIB, 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 AALIB was incorrectly installed" + echo "*** or that you have moved AALIB since it was installed. In the latter case, you" + echo "*** may want to edit the aalib-config script: $AALIB_CONFIG" ]) + CFLAGS="$ac_save_CFLAGS" + LIBS="$ac_save_LIBS" + fi + fi + AALIB_CFLAGS="" + AALIB_LIBS="" + ifelse([$3], , :, [$3]) + fi + AC_SUBST(AALIB_CFLAGS) + AC_SUBST(AALIB_LIBS) + rm -f conf.aalibtest +]) |