1 files changed, 185 insertions, 0 deletions
diff --git a/configure.sh b/configure.sh
new file mode 100644
index 0000000..507cc92
--- /dev/null
+++ b/configure.sh
@@ -0,0 +1,185 @@
+#! /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/lib /usr/lib64 /usr/local/lib /usr/lib/atlas /usr/lib64/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"
+    
+    # Set locations
+    THORN=BLAS
+    NAME=blas-3.4.0
+    TARNAME=lapack-3.4.0
+    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 ${F77} | grep -i xlf > /dev/null 2>&1; then
+            FIXEDF77FLAGS=-qfixed
+        fi
+        #${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}" != '/usr/lib' -a "${BLAS_DIR}" != '/usr/local/lib' ]; then
+    BLAS_INC_DIRS=
+    BLAS_LIB_DIRS="${BLAS_DIR}"
+fi
+: ${BLAS_LIBS='blas'}
+
+# Pass options to Cactus
+echo "BEGIN MAKE_DEFINITION"
+echo "HAVE_BLAS     = 1"
+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)'