1 files changed, 139 insertions, 0 deletions
diff --git a/BLAS.sh b/BLAS.sh
new file mode 100644
index 0000000..6a67046
--- /dev/null
+++ b/BLAS.sh
@@ -0,0 +1,139 @@
+#! /bin/bash
+
+################################################################################
+# Prepare
+################################################################################
+
+# Set up shell
+set -x                          # Output commands
+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/local/lib /usr/lib/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}" ]; then
+    echo "BEGIN MESSAGE"
+    echo "Building BLAS..."
+    echo "END MESSAGE"
+    
+    # Set locations
+    NAME=blas-3.2.1
+    TARNAME=lapack-3.2.1
+    SRCDIR=$(dirname $0)
+    INSTALL_DIR=${SCRATCH_BUILD}
+    BLAS_DIR=${INSTALL_DIR}/${NAME}
+
+    # Clean up environment
+    unset LIBS
+    unset MAKEFLAGS
+    
+(
+    exec >&2                    # Redirect stdout to stderr
+    set -x                      # Output commands
+    set -e                      # Abort on errors
+    cd ${INSTALL_DIR}
+    if [ -e done-${NAME} -a done-${NAME} -nt ${SRCDIR}/dist/${TARNAME}.tgz \
+                         -a done-${NAME} -nt ${SRCDIR}/BLAS.sh ]
+    then
+        echo "BLAS: The enclosed BLAS library has already been built; doing nothing"
+    else
+        echo "BLAS: Building enclosed BLAS library"
+        
+        echo "BLAS: Unpacking archive..."
+        rm -rf build-${NAME}
+        mkdir build-${NAME}
+        pushd build-${NAME}
+        # Should we use gtar or tar?
+        TAR=$(gtar --help > /dev/null 2> /dev/null && echo gtar || echo tar)
+        ${TAR} xzf ${SRCDIR}/dist/${TARNAME}.tgz
+        popd
+        
+        echo "BLAS: Configuring..."
+        rm -rf ${NAME}
+        mkdir ${NAME}
+        pushd build-${NAME}/${TARNAME}/BLAS/SRC
+        
+        echo "BLAS: Building..."
+        ${F77} ${F77FLAGS} -c *.f
+        ${AR} ${ARFLAGS} blas.a *.o
+        ${RANLIB} ${RANLIBFLAGS} blas.a
+        
+        echo "BLAS: Installing..."
+        cp blas.a ${BLAS_DIR}
+        popd
+        
+        echo 'done' > done-${NAME}
+        echo "BLAS: Done."
+    fi
+)
+
+    if (( $? )); then
+        echo 'BEGIN ERROR'
+        echo 'Error while building BLAS.  Aborting.'
+        echo 'END ERROR'
+        exit 1
+    fi
+
+fi
+
+
+
+################################################################################
+# Configure Cactus
+################################################################################
+
+# Set options
+if [ "${BLAS_DIR}" != '/usr' -a "${BLAS_DIR}" != '/usr/local' ]; then
+    BLAS_INC_DIRS=
+    BLAS_LIB_DIRS="${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)'