sync with upstream

Original commit message from CVS:
sync with upstream

1 files changed, 209 insertions, 0 deletions

diff --git a/m4/as-arts.m4 b/m4/as-arts.m4
new file mode 100644
index 00000000..a66a8c2d
--- /dev/null
+++ b/m4/as-arts.m4
@@ -0,0 +1,209 @@
+dnl as-arts.m4 0.1.0
+
+dnl $Id: as-arts.m4,v 1.5 2004/05/21 11:20:49 thomasvs Exp $
+dnl if you copy this file to your cvs,
+dnl add this file using cvs -ko add to retain this header
+
+dnl This is an example arts .m4 adapted and scrubbed by thomasvs
+
+# Configure paths for ARTS
+# Philip Stadermann   2001-06-21
+# stolen from esd.m4
+
+dnl AM_PATH_ARTS([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
+dnl Test for ARTS, and define ARTS_CXXFLAGS 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,
+  AC_HELP_STRING([--with-arts-prefix=PFX],
+                 [prefix where ARTS is installed (optional)]),
+  arts_prefix="$withval", arts_prefix="")
+
+AC_ARG_WITH(arts-exec-prefix,
+  AC_HELP_STRING([--with-arts-exec-prefix=PFX],
+                 [exec prefix where ARTS is installed (optional)]),
+  arts_exec_prefix="$withval", arts_exec_prefix="")
+
+AC_ARG_ENABLE(artstest, 
+  AC_HELP_STRING([--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
+    # replace -I.../artsc with -I.../arts
+    ARTS_CXXFLAGS=`$ARTS_CONFIG $artsconf_args --cflags | artsc-config --cflags | sed 's/\(-I.*\)artsc/\1arts/'`
+    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$enable_artstest" = "xyes" ; then
+      dnl ac_save_CXXFLAGS="$CXXFLAGS"
+      dnl ac_save_LIBS="$LIBS"
+      dnl CFLAGS="$CFLAGS $ARTS_CXXFLAGS"
+      dnl LIBS="$LIBS $ARTS_LIBS"
+dnl
+dnl Now check if the installed ARTS is sufficiently new. (Also sanity
+dnl checks the results of artsc-config to some extent)
+dnl
+
+dnl a*s: to successfully compile the C++ test app, we need to 
+dnl first make sure we're going to compile it as C++ (with AC_LANG_PUSH),
+dnl then add the CFLAGS and CLIBS of arts which we just discovered to the
+dnl C++ compilation and linking flags.
+dnl We also need to clean up after the test; this means using AC_LANG_POP
+dnl and restoring the CPPFLAGS and LDFLAGS from the saved values we take 
+dnl here.
+
+dnl ask nicely for C++ compilation
+      AC_LANG_PUSH(C++)
+
+dnl save compilation and link flags and make our own
+      ac_save_CPPFLAGS="$CPPFLAGS"
+      ac_save_LDFLAGS="$LDFLAGS"
+      AC_SUBST(CPPFLAGS,"$CPPFLAGS $ARTS_CXXFLAGS")
+      AC_SUBST(LDFLAGS,"$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... $ac_c"])
+      dnl CFLAGS="$ac_save_CFLAGS"
+      dnl LIBS="$ac_save_LIBS"
+      dnl a*s this is were we clean up after the test
+      AC_LANG_POP(C++)
+      CXXFLAGS="$ac_save_CXXFLAGS"
+      LDFLAGS="$ac_save_LDFLAGS"
+      dnl a*s we are sure that these are right, so we make them active
+      AC_SUBST(CXXFLAGS,"$CXXFLAGS")
+      AC_SUBST(LDFLAGS,"$LDFLAGS")
+    fi
+  fi
+  if test "x$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 $ARTS_CXXFLAGS"
+         LIBS="$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_CXXFLAGS=""
+    ARTS_LIBS=""
+    ifelse([$3], , :, [$3])
+  fi
+  AC_SUBST(ARTS_CXXFLAGS)
+  AC_SUBST(ARTS_LIBS)
+  rm -f conf.artstest
+])
+
+dnl release C++ question
+