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#! /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)'
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