1 files changed, 91 insertions, 0 deletions
diff --git a/FFTW.sh b/FFTW.sh
new file mode 100644
index 0000000..569b244
--- /dev/null
+++ b/FFTW.sh
@@ -0,0 +1,91 @@
+#! /bin/sh
+# /*@@
+#   @file      FFTW.sh
+#   @date      Sun 11 September 2005
+#   @author    Erik Schnetter
+#   @desc
+#              Setup for compilation with the FFTW library
+#   @enddesc
+# @@*/
+
+# /*@@
+#   @routine    CCTK_Search
+#   @date       Wed Jul 21 11:16:35 1999
+#   @author     Tom Goodale
+#   @desc
+#   Used to search for something in various directories
+#   @enddesc
+#@@*/
+
+CCTK_Search()
+{
+  eval  $1=""
+  if test $# -lt 4 ; then
+    cctk_basedir=""
+  else
+    cctk_basedir="$4/"
+  fi
+  for cctk_place in $2
+    do
+      if test -r "$cctk_basedir$cctk_place/$3" ; then
+        eval $1="$cctk_place"
+        break
+      fi
+      if test -d "$cctk_basedir$cctk_place/$3" ; then
+        eval $1="$cctk_place"
+        break
+      fi
+    done
+  return
+}
+
+# Search for FFTW installation
+if test -z "$FFTW_DIR"; then
+  echo "BEGIN MESSAGE"
+  echo 'FFTW selected but no FFTW_DIR set... Checking some places'
+  echo "END MESSAGE"
+  CCTK_Search FFTW_DIR '/usr/lib /usr/local/lib' libfftw.a
+  if test -z "$FFTW_DIR"; then
+    CCTK_Search FFTW_DIR '/usr/lib /usr/local/lib' libfftw.so
+  fi
+  if test -z "$FFTW_DIR"; then
+    echo "BEGIN ERROR"
+    echo 'Unable to locate the FFTW library - please set FFTW_DIR'
+    echo "END ERROR"
+    exit 2
+  fi
+  echo "BEGIN MESSAGE" 
+  echo "Found a FFTW package in $FFTW_DIR"
+  echo "END MESSAGE"
+
+elif test "$FFTW_DIR" = 'none'; then
+  # user doesn't want the library path added
+  FFTW_DIR=''
+fi
+
+if test -z "$FFTW_LIBS"; then
+  if test -n "$MPI" -a "$MPI" != 'none' ; then
+    FFTW_LIBS='rfftw_mpi fftw_mpi $(MPI_LIBS) rfftw fftw m'
+  else
+    FFTW_LIBS='rfftw fftw m'
+  fi
+fi
+
+# Set the FFTW libs, libdirs and includedirs
+
+# Don't explicitely add standard include and library search paths
+if [ "$FFTW_DIR" != '/usr' -a "$FFTW_DIR" != '/usr/local' ]; then
+  FFTW_INC_DIRS="$FFTW_DIR/include"
+  FFTW_LIB_DIRS="$FFTW_DIR/lib"
+fi
+
+# Write the data out to the headers and makefiles
+echo 'BEGIN MAKE_DEFINITION'
+echo "FFTW_INC_DIRS = $FFTW_INC_DIRS"
+echo "FFTW_LIB_DIRS = $FFTW_LIB_DIRS"
+echo "FFTW_LIBS     = $FFTW_LIBS"
+echo 'END MAKE_DEFINITION'
+
+echo 'INCLUDE_DIRECTORY $(FFTW_INC_DIRS)'
+echo 'LIBRARY_DIRECTORY $(FFTW_LIB_DIRS)'
+echo 'LIBRARY $(FFTW_LIBS)'