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diff --git a/m4/as-arts.m4 b/m4/as-arts.m4
deleted file mode 100644
index 92b070b7..00000000
--- a/m4/as-arts.m4
+++ /dev/null
@@ -1,202 +0,0 @@
-# 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
-    ARTS_CXXFLAGS=`$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$enable_artstest" = "xyes" ; then
-      dnl ac_save_CXXFLAGS="$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
-