1 files changed, 163 insertions, 0 deletions
diff --git a/configure.sh b/configure.sh
new file mode 100755
index 0000000..c09ed73
--- /dev/null
+++ b/configure.sh
@@ -0,0 +1,163 @@
+#! /bin/bash
+
+################################################################################
+# Prepare
+################################################################################
+
+# Set up shell
+if [ "$(echo ${VERBOSE} | tr '[:upper:]' '[:lower:]')" = 'yes' ]; then
+    set -x                      # Output commands
+fi
+set -e                          # Abort on errors
+
+if [ -z "${LIBJPEG_DIR}" ]; then
+    echo "BEGIN MESSAGE"
+    echo "LIBJPEG selected, but LIBJPEG_DIR not set. Checking some places..."
+    echo "END MESSAGE"
+    
+    FILES="include/jpeglib.h"
+    DIRS="/usr /usr/local ${HOME}"
+    for dir in $DIRS; do
+        LIBJPEG_DIR="$dir"
+        for file in $FILES; do
+            if [ ! -r "$dir/$file" ]; then
+                unset LIBJPEG_DIR
+                break
+            fi
+        done
+        if [ -n "$LIBJPEG_DIR" ]; then
+            break
+        fi
+    done
+    
+    if [ -z "$LIBJPEG_DIR" ]; then
+        echo "BEGIN MESSAGE"
+        echo "LIBJPEG not found"
+        echo "END MESSAGE"
+    else
+        echo "BEGIN MESSAGE"
+        echo "Found LIBJPEG in ${LIBJPEG_DIR}"
+        echo "END MESSAGE"
+    fi
+fi
+
+
+################################################################################
+# Build
+################################################################################
+
+if [ -z "${LIBJPEG_DIR}"                                                \
+     -o "$(echo "${LIBJPEG_DIR}" | tr '[a-z]' '[A-Z]')" = 'BUILD' ]
+then
+    echo "BEGIN MESSAGE"
+    echo "Building libjpeg..."
+    echo "END MESSAGE"
+
+    # Set locations
+    THORN=libjpeg
+    NAME=jpeg-8c
+    SRCDIR=$(dirname $0)
+    BUILD_DIR=${SCRATCH_BUILD}/build/${THORN}
+    if [ -z "${LIBJPEG_INSTALL_DIR}" ]; then
+        INSTALL_DIR=${SCRATCH_BUILD}/external/${THORN}
+    else
+        echo "BEGIN MESSAGE"
+        echo "Installing libjpeg into ${LIBJPEG_INSTALL_DIR}"
+        echo "END MESSAGE"
+        INSTALL_DIR=${LIBJPEG_INSTALL_DIR}
+    fi
+    DONE_FILE=${SCRATCH_BUILD}/done/${THORN}
+    LIBJPEG_DIR=${INSTALL_DIR}
+    
+    if [ -e ${DONE_FILE} -a ${DONE_FILE} -nt ${SRCDIR}/dist/${NAME}.tar.gz \
+                         -a ${DONE_FILE} -nt ${SRCDIR}/configure.sh ]
+    then
+        echo "BEGIN MESSAGE"
+        echo "libjpeg has already been built; doing nothing"
+        echo "END MESSAGE"
+    else
+        echo "BEGIN MESSAGE"
+        echo "Building libjpeg library"
+        echo "END MESSAGE"
+        
+        # Build in a subshell
+        (
+        exec >&2                # Redirect stdout to stderr
+        if [ "$(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 echo '' ${ARFLAGS} | grep 64 > /dev/null 2>&1; then
+            export OBJECT_MODE=64
+        fi
+        
+        echo "libjpeg: Preparing directory structure..."
+        mkdir build external done 2> /dev/null || true
+        rm -rf ${BUILD_DIR} ${INSTALL_DIR}
+        mkdir ${BUILD_DIR} ${INSTALL_DIR}
+
+        echo "libjpeg: Unpacking archive..."
+        pushd ${BUILD_DIR}
+        ${TAR} xzf ${SRCDIR}/dist/${NAME}.tar.gz
+
+        echo "libjpeg: Configuring..."
+        cd ${NAME}
+        ./configure --prefix=${LIBJPEG_DIR}
+        
+        echo "libjpeg: Building..."
+        ${MAKE}
+        
+        echo "libjpeg: Installing..."
+        ${MAKE} install
+        popd
+        
+        echo "libjpeg: Cleaning up..."
+        rm -rf ${BUILD_DIR}
+
+        date > ${DONE_FILE}
+        echo "libjpeg: Done."
+        
+        )
+        
+        if (( $? )); then
+            echo 'BEGIN ERROR'
+            echo 'Error while building libjpeg. Aborting.'
+            echo 'END ERROR'
+            exit 1
+        fi
+    fi
+    
+fi
+
+
+
+################################################################################
+# Configure Cactus
+################################################################################
+
+# Set options
+if [ "${LIBJPEG_DIR}" = '/usr' -o "${LIBJPEG_DIR}" = '/usr/local' ]; then
+    LIBJPEG_INC_DIRS=''
+    LIBJPEG_LIB_DIRS=''
+else
+    LIBJPEG_INC_DIRS="${LIBJPEG_DIR}/include"
+    LIBJPEG_LIB_DIRS="${LIBJPEG_DIR}/lib"
+fi
+LIBJPEG_LIBS='jpeg'
+
+# Pass options to Cactus
+echo "BEGIN MAKE_DEFINITION"
+echo "HAVE_LIBJPEG     = 1"
+echo "LIBJPEG_DIR      = ${LIBJPEG_DIR}"
+echo "LIBJPEG_INC_DIRS = ${LIBJPEG_INC_DIRS}"
+echo "LIBJPEG_LIB_DIRS = ${LIBJPEG_LIB_DIRS}"
+echo "LIBJPEG_LIBS     = ${LIBJPEG_LIBS}"
+echo "END MAKE_DEFINITION"
+
+echo 'INCLUDE_DIRECTORY $(LIBJPEG_INC_DIRS)'
+echo 'LIBRARY_DIRECTORY $(LIBJPEG_LIB_DIRS)'
+echo 'LIBRARY           $(LIBJPEG_LIBS)'