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#! /bin/bash
################################################################################
# Prepare
################################################################################
# Set up shell
if [ "$(echo ${VERBOSE} | tr '[:upper:]' '[:lower:]')" = 'yes' ]; then
set -x # Output commands
fi
set -e # Abort on errors
################################################################################
# Search
################################################################################
if [ -z "${BLAS_DIR}" ]; then
echo "BEGIN MESSAGE"
echo "BLAS selected, but BLAS_DIR not set. Checking some places..."
echo "END MESSAGE"
FILES="libblas.a libblas.so"
DIRS="/usr/lib64 /usr/lib /usr/local/lib64 /usr/local/lib /usr/lib64/atlas /usr/lib/atlas /usr/lib64/atlas-base/atlas /usr/lib/atlas-base/atlas ${HOME}"
for file in $FILES; do
for dir in $DIRS; do
if test -r "$dir/$file"; then
BLAS_DIR="$dir"
break
fi
done
done
if [ -z "$BLAS_DIR" ]; then
echo "BEGIN MESSAGE"
echo "BLAS not found"
echo "END MESSAGE"
else
echo "BEGIN MESSAGE"
echo "Found BLAS in ${BLAS_DIR}"
echo "END MESSAGE"
fi
fi
################################################################################
# Build
################################################################################
if [ -z "${BLAS_DIR}" \
-o "$(echo "${BLAS_DIR}" | tr '[a-z]' '[A-Z]')" = 'BUILD' ]
then
echo "BEGIN MESSAGE"
echo "Using bundled BLAS..."
echo "END MESSAGE"
# check for required tools. Do this here so that we don't require them when
# using the system library
if [ x$TAR = x ] ; then
echo 'BEGIN ERROR'
echo 'Could not find tar command. Please make sure that (gnu) tar is present'
echo 'and that the TAR variable is set to its location.'
echo 'END ERROR'
exit 1
fi
#if [ x$PATCH = x ] ; then
# echo 'BEGIN ERROR'
# echo 'Could not find patch command. Please make sure that (gnu) tar is present'
# echo 'and that the PATCH variable is set to its location.'
# echo 'END ERROR'
# exit 1
#fi
# Set locations
THORN=BLAS
NAME=blas-3.4.2
TARNAME=lapack-3.4.2
SRCDIR="$(dirname $0)"
BUILD_DIR=${SCRATCH_BUILD}/build/${THORN}
if [ -z "${BLAS_INSTALL_DIR}" ]; then
INSTALL_DIR=${SCRATCH_BUILD}/external/${THORN}
else
echo "BEGIN MESSAGE"
echo "Installing BLAS into ${BLAS_INSTALL_DIR}"
echo "END MESSAGE"
INSTALL_DIR=${BLAS_INSTALL_DIR}
fi
DONE_FILE=${SCRATCH_BUILD}/done/${THORN}
BLAS_DIR=${INSTALL_DIR}
if [ "${F77}" = "none" ]; then
echo 'BEGIN ERROR'
echo "Building BLAS requires a Fortran compiler, but there is none configured: F77='${F77}'. Aborting."
echo 'END ERROR'
exit 1
fi
if [ -e ${DONE_FILE} -a ${DONE_FILE} -nt ${SRCDIR}/dist/${TARNAME}.tar.gz \
-a ${DONE_FILE} -nt ${SRCDIR}/configure.sh ]
then
echo "BEGIN MESSAGE"
echo "BLAS has already been built; doing nothing"
echo "END MESSAGE"
else
echo "BEGIN MESSAGE"
echo "Building BLAS"
echo "END MESSAGE"
# Build in a subshell
(
exec >&2 # Redirect stdout to stderr
if [ "$(echo ${VERBOSE} | tr '[:upper:]' '[:lower:]')" = 'yes' ]; then
set -x # Output commands
fi
set -e # Abort on errors
cd ${SCRATCH_BUILD}
# Set up environment
unset LIBS
if [ ${USE_RANLIB} != 'yes' ]; then
RANLIB=': ranlib'
fi
echo "BLAS: Preparing directory structure..."
mkdir build external done 2> /dev/null || true
rm -rf ${BUILD_DIR} ${INSTALL_DIR}
mkdir ${BUILD_DIR} ${INSTALL_DIR}
echo "BLAS: Unpacking archive..."
pushd ${BUILD_DIR}
${TAR?} xzf ${SRCDIR}/dist/${TARNAME}.tgz
echo "BLAS: Configuring..."
cd ${TARNAME}/BLAS/SRC
echo "BLAS: Building..."
#if echo ${F77} | grep -i xlf > /dev/null 2>&1; then
# FIXEDF77FLAGS=-qfixed
#fi
if ${F77} -qversion 2>/dev/null | grep -q 'IBM XL Fortran'; then
FIXEDF77FLAGS=-qfixed
fi
#${F77} ${F77FLAGS} ${FIXEDF77FLAGS} -c *.f
#${AR} ${ARFLAGS} libblas.a *.o
#if [ ${USE_RANLIB} = 'yes' ]; then
# ${RANLIB} ${RANLIBFLAGS} libblas.a
#fi
cat > make.cactus <<EOF
SRCS = $(echo *.f)
libblas.a: \$(SRCS:%.f=%.o)
${AR} ${ARFLAGS} \$@ \$^
${RANLIB} ${RANLIBFLAGS} \$@
%.o: %.f
${F77} ${F77FLAGS} ${FIXEDF77FLAGS} -c \$*.f -o \$*.o
EOF
${MAKE} -f make.cactus
echo "BLAS: Installing..."
cp libblas.a ${BLAS_DIR}
popd
echo "BLAS: Cleaning up..."
rm -rf ${BUILD_DIR}
date > ${DONE_FILE}
echo "BLAS: Done."
)
if (( $? )); then
echo 'BEGIN ERROR'
echo 'Error while building BLAS. Aborting.'
echo 'END ERROR'
exit 1
fi
fi
fi
################################################################################
# Configure Cactus
################################################################################
# Set options
if [ "${BLAS_DIR}" != 'NO_BUILD' ]; then
: ${BLAS_INC_DIRS=}
: ${BLAS_LIB_DIRS="${BLAS_DIR}"}
fi
: ${BLAS_LIBS='blas'}
BLAS_INC_DIRS="$(${CCTK_HOME}/lib/sbin/strip-incdirs.sh ${BLAS_INC_DIRS})"
BLAS_LIB_DIRS="$(${CCTK_HOME}/lib/sbin/strip-libdirs.sh ${BLAS_LIB_DIRS})"
# Pass options to Cactus
echo "BEGIN MAKE_DEFINITION"
echo "BLAS_DIR = ${BLAS_DIR}"
echo "BLAS_INC_DIRS = ${BLAS_INC_DIRS}"
echo "BLAS_LIB_DIRS = ${BLAS_LIB_DIRS}"
echo "BLAS_LIBS = ${BLAS_LIBS}"
echo "END MAKE_DEFINITION"
echo 'INCLUDE_DIRECTORY $(BLAS_INC_DIRS)'
echo 'LIBRARY_DIRECTORY $(BLAS_LIB_DIRS)'
echo 'LIBRARY $(BLAS_LIBS)'
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