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-rw-r--r--macros/libhnj.m4165
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, &micro) != 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
+])