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|
#! /bin/bash
################################################################################
# Prepare
################################################################################
# Set up shell
set -x # Output commands
set -e # Abort on errors
################################################################################
# Search
################################################################################
if [ -z "${ZLIB_DIR}" ]; then
echo "BEGIN MESSAGE"
echo "zlib selected, but ZLIB_DIR not set. Checking some places..."
echo "END MESSAGE"
FILES="include/zlib.h lib/libz.a"
DIRS="/usr /usr/local /usr/local/zlib /usr/local/packages/zlib /usr/local/apps/zlib /opt/local ${HOME} ${HOME}/zlib c:/packages/zlib"
for dir in $DIRS; do
ZLIB_DIR="$dir"
for file in $FILES; do
if [ ! -r "$dir/$file" ]; then
unset ZLIB_DIR
break
fi
done
if [ -n "$ZLIB_DIR" ]; then
break
fi
done
if [ -z "$ZLIB_DIR" ]; then
echo "BEGIN MESSAGE"
echo "zlib not found"
echo "END MESSAGE"
else
echo "BEGIN MESSAGE"
echo "Found zlib in ${ZLIB_DIR}"
echo "END MESSAGE"
fi
fi
################################################################################
# Build
################################################################################
if [ -z "${ZLIB_DIR}" -o "${ZLIB_DIR}" = 'BUILD' ]; then
echo "BEGIN MESSAGE"
echo "Building zlib..."
echo "END MESSAGE"
# Set locations
THORN=zlib
NAME=zlib-1.2.5
SRCDIR=$(dirname $0)
BUILD_DIR=${SCRATCH_BUILD}/build/${THORN}
INSTALL_DIR=${SCRATCH_BUILD}/external/${THORN}
DONE_FILE=${SCRATCH_BUILD}/done/${THORN}
ZLIB_DIR=${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 ${SRCDIR}/zlib.sh ]
then
echo "zlib: The enclosed zlib library has already been built; doing nothing"
else
echo "zlib: Building enclosed zlib library"
# Should we use gmake or make?
MAKE=$(gmake --help > /dev/null 2>&1 && echo gmake || echo make)
# Should we use gtar or tar?
TAR=$(gtar --help > /dev/null 2> /dev/null && echo gtar || echo tar)
# Should we use gpatch or patch?
if [ -z "$PATCH" ]; then
PATCH=$(gpatch -v > /dev/null 2>&1 && echo gpatch || echo patch)
fi
# Set up environment
export LDFLAGS
unset LIBS
if echo '' ${ARFLAGS} | grep 64 > /dev/null 2>&1; then
export OBJECT_MODE=64
fi
# Disable parallel make. With parallel make, I sometimes
# encounter a build error "ld: in libz.a, malformed archive
# TOC entry for _zlibVersion, offset 824872 is beyond end of
# file 237568 for architecture x86_64"
unset MAKEFLAGS
echo "zlib: Preparing directory structure..."
mkdir build external done 2> /dev/null || true
rm -rf ${BUILD_DIR} ${INSTALL_DIR}
mkdir ${BUILD_DIR} ${INSTALL_DIR}
echo "zlib: Unpacking archive..."
pushd ${BUILD_DIR}
${TAR} xzf ${SRCDIR}/dist/${NAME}.tar.gz
${PATCH} -p0 < ${SRCDIR}/dist/install.diff
echo "zlib: Configuring..."
cd ${NAME}
# Guess whether Cactus uses static linking, and if so, build
# only static libraries
./configure --prefix=${ZLIB_DIR} $(if echo '' ${LDFLAGS} | grep -q static; then echo '' '--static'; fi)
echo "zlib: Building..."
${MAKE}
echo "zlib: Installing..."
${MAKE} install prefix=${ZLIB_DIR}
popd
echo "zlib: Cleaning up..."
rm -rf ${BUILD_DIR}
date > ${DONE_FILE}
echo "zlib: Done."
fi
)
if (( $? )); then
echo 'BEGIN ERROR'
echo 'Error while building zlib. Aborting.'
echo 'END ERROR'
exit 1
fi
fi
################################################################################
# Check for additional libraries
################################################################################
# Set options
if [ "${ZLIB_DIR}" = '/usr' -o "${ZLIB_DIR}" = '/usr/local' ]; then
ZLIB_INC_DIRS=''
ZLIB_LIB_DIRS=''
else
ZLIB_INC_DIRS="${ZLIB_DIR}/include"
ZLIB_LIB_DIRS="${ZLIB_DIR}/lib"
fi
ZLIB_LIBS='z'
################################################################################
# Configure Cactus
################################################################################
# Pass options to Cactus
echo "BEGIN MAKE_DEFINITION"
echo "HAVE_ZLIB = 1"
echo "ZLIB_DIR = ${ZLIB_DIR}"
echo "ZLIB_INC_DIRS = ${ZLIB_INC_DIRS}"
echo "ZLIB_LIB_DIRS = ${ZLIB_LIB_DIRS}"
echo "ZLIB_LIBS = ${ZLIB_LIBS}"
echo "END MAKE_DEFINITION"
echo 'INCLUDE_DIRECTORY $(ZLIB_INC_DIRS)'
echo 'LIBRARY_DIRECTORY $(ZLIB_LIB_DIRS)'
echo 'LIBRARY $(ZLIB_LIBS)'
|
