this check should work

Original commit message from CVS:
this check should work

diff --git a/m4/gst-arts.m4 b/m4/gst-arts.m4
new file mode 100644 (file)
index 0000000..4e22451
--- /dev/null
+++ b/m4/gst-arts.m4
@@ -0,0 +1,171 @@
+# Configure paths for ARTS
+# Philip Stadermann   2001-06-21
+# stolen from esd.m4
+# adapted and scrubbed by thomas
+
+dnl AM_PATH_ARTS([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
+dnl Test for ARTS, and define ARTS_CFLAGS and ARTS_LIBS
+dnl
+AC_DEFUN([AM_PATH_ARTS],
+[dnl 
+dnl Get the cflags and libraries from the artsc-config script
+dnl
+AC_ARG_WITH(arts-prefix,[  --with-arts-prefix=PFX  Prefix where ARTS is installed (optional)],
+            arts_prefix="$withval", arts_prefix="")
+AC_ARG_WITH(arts-exec-prefix,[  --with-arts-exec-prefix=PFX                                                                             Exec prefix where ARTS is installed (optional)],
+            arts_exec_prefix="$withval", arts_exec_prefix="")
+AC_ARG_ENABLE(artstest, [  --disable-artstest      Do not try to compile and run a test ARTS program],
+                   , enable_artstest=yes)
+
+  if test x$arts_exec_prefix != x ; then
+     arts_args="$arts_args --exec-prefix=$arts_exec_prefix"
+     if test x${ARTS_CONFIG+set} != xset ; then
+        ARTS_CONFIG=$arts_exec_prefix/bin/artsc-config
+     fi
+  fi
+  if test x$arts_prefix != x ; then
+     arts_args="$arts_args --prefix=$arts_prefix"
+     if test x${ARTS_CONFIG+set} != xset ; then
+        ARTS_CONFIG=$arts_prefix/bin/artsc-config
+     fi
+  fi
+
+  AC_PATH_PROG(ARTS_CONFIG, artsc-config, no)
+  min_arts_version=ifelse([$1], ,0.9.5,$1)
+  AC_MSG_CHECKING(for ARTS artsc - version >= $min_arts_version)
+  no_arts=""
+  if test "$ARTS_CONFIG" = "no" ; then
+    no_arts=yes
+  else
+    # FIXME : thomas added this sed to get arts path instead of artsc
+    ARTS_CFLAGS=`$ARTS_CONFIG $artsconf_args --cflags | sed 's/artsc$/arts/'`
+    ARTS_LIBS=`$ARTS_CONFIG $artsconf_args --libs | sed 's/artsc$/arts/'`
+
+    arts_major_version=`$ARTS_CONFIG $arts_args --version | \
+           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
+    arts_minor_version=`$ARTS_CONFIG $arts_args --version | \
+           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
+    arts_micro_version=`$ARTS_CONFIG $arts_config_args --version | \
+           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
+    if test "x$enable_artstest" = "xyes" ; then
+      ac_save_CFLAGS="$CFLAGS"
+      ac_save_LIBS="$LIBS"
+      CFLAGS="$CFLAGS $ARTS_CFLAGS"
+      LIBS="$LIBS $ARTS_LIBS"
+dnl
+dnl Now check if the installed ARTS is sufficiently new. (Also sanity
+dnl checks the results of artsc-config to some extent)
+dnl
+dnl thomas: ask nicely for C++ compilation
+AC_LANG_PUSH(C++)
+AC_SUBST(CPPFLAGS,"$CPPFLAGS $ARTS_CFLAGS")
+AC_SUBST(LDFLAGS,"$LDFLAGS $ARTS_CLIBS") 
+     rm -f conf.artstest
+      AC_TRY_RUN([
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <artsflow.h>
+
+char*
+my_strdup (char *str)
+{
+  char *new_str;
+  
+  if (str)
+    {
+      // thomas: the original test did not have the typecast
+      new_str = (char *) malloc ((strlen (str) + 1) * sizeof(char));
+      strcpy (new_str, str);
+    }
+  else
+    new_str = NULL;
+  
+  return new_str;
+}
+
+int main ()
+{
+  int major, minor, micro;
+  char *tmp_version;
+
+  system ("touch conf.artstest");
+
+  /* HP/UX 9 (%@#!) writes to sscanf strings */
+  tmp_version = my_strdup("$min_arts_version");
+  if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, &micro) != 3) {
+     printf("%s, bad version string\n", "$min_arts_version");
+     exit(1);
+   }
+
+   if (($arts_major_version > major) ||
+      (($arts_major_version == major) && ($arts_minor_version > minor)) ||
+      (($arts_major_version == major) && ($arts_minor_version == minor) && ($arts_micro_version >= micro)))
+    {
+      return 0;
+    }
+  else
+    {
+      printf("\n*** 'artsc-config --version' returned %d.%d.%d, but the minimum version\n", $arts_major_version, $arts_minor_version, $arts_micro_version);
+      printf("*** of ARTS required is %d.%d.%d. If artsc-config is correct, then it is\n", major, minor, micro);
+      printf("*** best to upgrade to the required version.\n");
+      printf("*** If artsc-config was wrong, set the environment variable ARTS_CONFIG\n");
+      printf("*** to point to the correct copy of artsc-config, and remove the file\n");
+      printf("*** config.cache before re-running configure\n");
+      return 1;
+    }
+}
+
+],, no_arts=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
+       CFLAGS="$ac_save_CFLAGS"
+       LIBS="$ac_save_LIBS"
+     fi
+  fi
+  if test "x$no_arts" = x ; then
+     AC_MSG_RESULT(yes)
+     ifelse([$2], , :, [$2])     
+  else
+     AC_MSG_RESULT(no)
+     if test "$ARTS_CONFIG" = "no" ; then
+       echo "*** The artsc-config script installed by ARTS could not be found"
+       echo "*** If ARTS was installed in PREFIX, make sure PREFIX/bin is in"
+       echo "*** your path, or set the ARTS_CONFIG environment variable to the"
+       echo "*** full path to artsc-config."
+     else
+       if test -f conf.artstest ; then
+        :
+       else
+          echo "*** Could not run ARTS test program, checking why..."
+          CFLAGS="$CFLAGS $ARTS_CFLAGS"
+          LIBS="$LIBS $ARTS_LIBS"
+          AC_TRY_LINK([
+#include <stdio.h>
+#include <artsflow.h>
+],      [ return 0; ],
+        [ echo "*** The test program compiled, but did not run. This usually means"
+          echo "*** that the run-time linker is not finding ARTS or finding the wrong"
+          echo "*** version of ARTS. If it is not finding ARTS, 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 ARTS was incorrectly installed"
+          echo "*** or that you have moved ARTS since it was installed. In the latter case, you"
+          echo "*** may want to edit the artsc-config script: $ARTS_CONFIG" ])
+          CFLAGS="$ac_save_CFLAGS"
+          LIBS="$ac_save_LIBS"
+       fi
+     fi
+     ARTS_CFLAGS=""
+     ARTS_LIBS=""
+     ifelse([$3], , :, [$3])
+  fi
+  AC_SUBST(ARTS_CFLAGS)
+  AC_SUBST(ARTS_LIBS)
+  rm -f conf.artstest
+])
+dnl release C++ question
+