more of the same

Original commit message from CVS:
more of the same

1 files changed, 169 insertions, 0 deletions

diff --git a/m4/aalib.m4 b/m4/aalib.m4
new file mode 100644
index 000000000..c40b8db86
--- /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, &micro) != 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
+])