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#! /bin/bash
################################################################################
# Prepare
################################################################################
# Set up shell
set -x # Output commands
set -e # Abort on errors
################################################################################
# Search
################################################################################
if [ -z "${GSL_DIR}" ]; then
echo "BEGIN MESSAGE"
echo "GSL selected, but GSL_DIR not set. Checking some places..."
echo "END MESSAGE"
FILES="include/gsl/gsl_math.h"
DIRS="/usr /usr/local /usr/local/gsl /usr/local/packages/gsl /usr/local/apps/gsl ${HOME} c:/packages/gsl"
for dir in $DIRS; do
GSL_DIR="$dir"
for file in $FILES; do
if [ ! -r "$dir/$file" ]; then
unset GSL_DIR
break
fi
done
if [ -n "$GSL_DIR" ]; then
break
fi
done
if [ -z "$GSL_DIR" ]; then
echo "BEGIN MESSAGE"
echo "GSL not found"
echo "END MESSAGE"
else
echo "BEGIN MESSAGE"
echo "Found GSL in ${GSL_DIR}"
echo "END MESSAGE"
fi
fi
################################################################################
# Build
################################################################################
if [ -z "${GSL_DIR}" -o "${GSL_DIR}" = 'BUILD' ]; then
echo "BEGIN MESSAGE"
echo "Building GSL..."
echo "END MESSAGE"
# Set locations
THORN=GSL
NAME=gsl-1.14
SRCDIR=$(dirname $0)
BUILD_DIR=${SCRATCH_BUILD}/build/${THORN}
INSTALL_DIR=${SCRATCH_BUILD}/external/${THORN}
DONE_FILE=${SCRATCH_BUILD}/done/${THORN}
GSL_DIR=${INSTALL_DIR}
(
exec >&2 # Redirect stdout to stderr
set -x # Output commands
set -e # Abort on errors
cd ${SCRATCH_BUILD}
if [ -e ${DONE_FILE} -a ${DONE_FILE} -nt ${SRCDIR}/dist/${NAME}.tar.gz \
-a ${DONE_FILE} -nt ${SRCDIR}/GSL.sh ]
then
echo "GSL: The enclosed GSL library has already been built; doing nothing"
else
echo "GSL: Building enclosed GSL library"
# Should we use gmake or make?
MAKE=$(gmake --help > /dev/null 2>&1 && echo gmake || echo make)
# Should we use gtar or tar?
TAR=$(gtar --help > /dev/null 2> /dev/null && echo gtar || echo tar)
# Set up environment
unset LIBS
if echo '' ${ARFLAGS} | grep 64 > /dev/null 2>&1; then
export OBJECT_MODE=64
fi
echo "GSL: Preparing directory structure..."
mkdir build external done 2> /dev/null || true
rm -rf ${BUILD_DIR} ${INSTALL_DIR}
mkdir ${BUILD_DIR} ${INSTALL_DIR}
echo "GSL: Unpacking archive..."
pushd ${BUILD_DIR}
${TAR} xzf ${SRCDIR}/dist/${NAME}.tar.gz
echo "GSL: Configuring..."
cd ${NAME}
./configure --prefix=${GSL_DIR}
echo "GSL: Building..."
${MAKE}
echo "GSL: Installing..."
${MAKE} install
popd
echo "GSL: Cleaning up..."
rm -rf ${BUILD_DIR}
date > ${DONE_FILE}
echo "GSL: Done."
fi
)
if (( $? )); then
echo 'BEGIN ERROR'
echo 'Error while building GSL. Aborting.'
echo 'END ERROR'
exit 1
fi
fi
################################################################################
# Configure Cactus
################################################################################
# Set options
if [ -x ${GSL_DIR}/bin/gsl-config ]; then
GSL_INC_DIRS=`${GSL_DIR}/bin/gsl-config --cflags | sed -e 's/ \+-[^I][^ ]\+//g;s/^ *-[^I][^ ]\+ *//g;s/ \+-I/ /g;s/^ *-I//g'`;
GSL_LIB_DIRS=`${GSL_DIR}/bin/gsl-config --libs | sed -e 's/ \+-[^L][^ ]\+//g;s/^ *-[^L][^ ]\+ *//g;s/ \+-L/ /g;s/^ *-L//g'`;
GSL_LIBS=`${GSL_DIR}/bin/gsl-config --libs | sed -e 's/ \+-[^l][^ ]\+//g;s/^ *-[^l][^ ]\+ *//g;s/ \+-l/ /g;s/^ *-l//g'`;
fi
# Pass options to Cactus
echo "BEGIN MAKE_DEFINITION"
echo "HAVE_GSL = 1"
echo "GSL_DIR = ${GSL_DIR}"
echo "GSL_INC_DIRS = ${GSL_INC_DIRS}"
echo "GSL_LIB_DIRS = ${GSL_LIB_DIRS}"
echo "GSL_LIBS = ${GSL_LIBS}"
echo "END MAKE_DEFINITION"
echo 'INCLUDE_DIRECTORY $(GSL_INC_DIRS)'
echo 'LIBRARY_DIRECTORY $(GSL_LIB_DIRS)'
echo 'LIBRARY $(GSL_LIBS)'
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