diff options
| -rw-r--r-- | macros/libhnj.m4 | 165 |
1 files changed, 165 insertions, 0 deletions
diff --git a/macros/libhnj.m4 b/macros/libhnj.m4 new file mode 100644 index 0000000000..8f17d14c10 --- /dev/null +++ b/macros/libhnj.m4 @@ -0,0 +1,165 @@ +# Configure paths for LIBHNJ +# Chris Lahey 99-2-5 +# stolen from Manish Singh again +# stolen back from Frank Belew +# stolen from Manish Singh +# Shamelessly stolen from Owen Taylor + +dnl AM_PATH_LIBHNJ([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]]) +dnl Test for LIBHNJ, and define LIBHNJ_CFLAGS and LIBHNJ_LIBS +dnl +AC_DEFUN(AM_PATH_LIBHNJ, +[dnl +dnl Get the cflags and libraries from the libhnj-config script +dnl +AC_ARG_WITH(libhnj-prefix,[ --with-libhnj-prefix=PFX Prefix where LIBHNJ is installed (optional)], + libhnj_prefix="$withval", libhnj_prefix="") +AC_ARG_WITH(libhnj-exec-prefix,[ --with-libhnj-exec-prefix=PFX Exec prefix where LIBHNJ is installed (optional)], + libhnj_exec_prefix="$withval", libhnj_exec_prefix="") +AC_ARG_ENABLE(libhnjtest, [ --disable-libhnjtest Do not try to compile and run a test LIBHNJ program], + , enable_libhnjtest=yes) + + if test x$libhnj_exec_prefix != x ; then + libhnj_args="$libhnj_args --exec-prefix=$libhnj_exec_prefix" + if test x${LIBHNJ_CONFIG+set} != xset ; then + LIBHNJ_CONFIG=$libhnj_exec_prefix/bin/libhnj-config + fi + fi + if test x$libhnj_prefix != x ; then + libhnj_args="$libhnj_args --prefix=$libhnj_prefix" + if test x${LIBHNJ_CONFIG+set} != xset ; then + LIBHNJ_CONFIG=$libhnj_prefix/bin/libhnj-config + fi + fi + + AC_PATH_PROG(LIBHNJ_CONFIG, libhnj-config, no) + min_libhnj_version=ifelse([$1], ,0.1.0,$1) + AC_MSG_CHECKING(for LIBHNJ - version >= $min_libhnj_version) + no_libhnj="" + if test "$LIBHNJ_CONFIG" = "no" ; then + no_libhnj=yes + else + LIBHNJ_CFLAGS=`$LIBHNJ_CONFIG $libhnjconf_args --cflags` + LIBHNJ_LIBS=`$LIBHNJ_CONFIG $libhnjconf_args --libs` + + libhnj_major_version=`$LIBHNJ_CONFIG $libhnj_args --version | \ + sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'` + libhnj_minor_version=`$LIBHNJ_CONFIG $libhnj_args --version | \ + sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'` + libhnj_micro_version=`$LIBHNJ_CONFIG $libhnj_config_args --version | \ + sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'` + if test "x$enable_libhnjtest" = "xyes" ; then + ac_save_CFLAGS="$CFLAGS" + ac_save_LIBS="$LIBS" + CFLAGS="$CFLAGS $LIBHNJ_CFLAGS" + LIBS="$LIBS $LIBHNJ_LIBS" +dnl +dnl Now check if the installed LIBHNJ is sufficiently new. (Also sanity +dnl checks the results of libhnj-config to some extent +dnl + rm -f conf.libhnjtest + AC_TRY_RUN([ +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <libhnj/just.h> + +char* +my_strdup (char *str) +{ + char *new_str; + + if (str) + { + new_str = malloc ((strlen (str) + 1) * sizeof(char)); + strcpy (new_str, str); + } + else + new_str = NULL; + + return new_str; +} + +int main () +{ + int major, minor, micro; + char *tmp_version; + + system ("touch conf.libhnjtest"); + + /* HP/UX 9 (%@#!) writes to sscanf strings */ + tmp_version = my_strdup("$min_libhnj_version"); + if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, µ) != 3) { + printf("%s, bad version string\n", "$min_libhnj_version"); + exit(1); + } + + if (($libhnj_major_version > major) || + (($libhnj_major_version == major) && ($libhnj_minor_version > minor)) || + (($libhnj_major_version == major) && ($libhnj_minor_version == minor) && ($libhnj_micro_version >= micro))) + { + return 0; + } + else + { + printf("\n*** 'libhnj-config --version' returned %d.%d.%d, but the minimum version\n", $libhnj_major_version, $libhnj_minor_version, $libhnj_micro_version); + printf("*** of LIBHNJ required is %d.%d.%d. If libhnj-config is correct, then it is\n", major, minor, micro); + printf("*** best to upgrade to the required version.\n"); + printf("*** If libhnj-config was wrong, set the environment variable LIBHNJ_CONFIG\n"); + printf("*** to point to the correct copy of libhnj-config, and remove the file\n"); + printf("*** config.cache before re-running configure\n"); + return 1; + } +} + +],, no_libhnj=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"]) + CFLAGS="$ac_save_CFLAGS" + LIBS="$ac_save_LIBS" + fi + fi + if test "x$no_libhnj" = x ; then + AC_MSG_RESULT(yes) + ifelse([$2], , :, [$2]) + else + AC_MSG_RESULT(no) + if test "$LIBHNJ_CONFIG" = "no" ; then + echo "*** The libhnj-config script installed by LIBHNJ could not be found" + echo "*** If LIBHNJ was installed in PREFIX, make sure PREFIX/bin is in" + echo "*** your path, or set the LIBHNJ_CONFIG environment variable to the" + echo "*** full path to libhnj-config." + else + if test -f conf.libhnjtest ; then + : + else + echo "*** Could not run LIBHNJ test program, checking why..." + CFLAGS="$CFLAGS $LIBHNJ_CFLAGS" + LIBS="$LIBS $LIBHNJ_LIBS" + AC_TRY_LINK([ +#include <stdio.h> +#include <libhnj/just.h> +], [ return 0; ], + [ echo "*** The test program compiled, but did not run. This usually means" + echo "*** that the run-time linker is not finding LIBHNJ or finding the wrong" + echo "*** version of LIBHNJ. If it is not finding LIBHNJ, 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 LIBHNJ was incorrectly installed" + echo "*** or that you have moved LIBHNJ since it was installed. In the latter case, you" + echo "*** may want to edit the libhnj-config script: $LIBHNJ_CONFIG" ]) + CFLAGS="$ac_save_CFLAGS" + LIBS="$ac_save_LIBS" + fi + fi + LIBHNJ_CFLAGS="" + LIBHNJ_LIBS="" + ifelse([$3], , :, [$3]) + fi + AC_SUBST(LIBHNJ_CFLAGS) + AC_SUBST(LIBHNJ_LIBS) + rm -f conf.libhnjtest +]) |