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configure.sh
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#! /bin/bash
################################################################################
# Prepare
################################################################################
# Set up shell
if [ "$(echo ${VERBOSE} | tr '[:upper:]' '[:lower:]')" = 'yes' ]; then
set -x # Output commands
fi
set -e # Abort on errors
################################################################################
# Search
################################################################################
if [ -z "${ZLIB_DIR}" ]; then
echo "BEGIN MESSAGE"
echo "zlib selected, but ZLIB_DIR not set. Checking some places..."
echo "END MESSAGE"
DIRS="/usr /usr/local /usr/local/packages /usr/local/apps /opt/local /opt/homebrew ${HOME} c:/packages"
# look into each directory
for dir in $DIRS; do
# libraries might have different file extensions
for libext in a dll dll.a dylib so; do
# libraries can be in /lib or /lib64
for libdir in lib64 lib/x86_64-linux-gnu lib lib/i386-linux-gnu lib/arm-linux-gnueabihf; do
FILES="include/zlib.h $libdir/libz.$libext"
# assume this is the one and check all needed files
ZLIB_DIR="$dir"
for file in $FILES; do
# discard this directory if one file was not found
if [ ! -r "$dir/$file" ]; then
unset ZLIB_DIR
break
fi
done
# don't look further if all files have been found
if [ -n "$ZLIB_DIR" ]; then
break
fi
done
# don't look further if all files have been found
if [ -n "$ZLIB_DIR" ]; then
break
fi
done
# don't look further if all files have been found
if [ -n "$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 "$(echo "${ZLIB_DIR}" | tr '[a-z]' '[A-Z]')" = 'BUILD' ]
then
echo "BEGIN MESSAGE"
echo "Building zlib..."
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=zlib
NAME=zlib-1.2.8
SRCDIR="$(dirname $0)"
BUILD_DIR=${SCRATCH_BUILD}/build/${THORN}
if [ -z "${ZLIB_INSTALL_DIR}" ]; then
INSTALL_DIR=${SCRATCH_BUILD}/external/${THORN}
else
echo "BEGIN MESSAGE"
echo "Installing zlib into ${ZLIB_INSTALL_DIR}"
echo "END MESSAGE"
INSTALL_DIR=${ZLIB_INSTALL_DIR}
fi
DONE_FILE=${SCRATCH_BUILD}/done/${THORN}
ZLIB_DIR=${INSTALL_DIR}
if [ -e ${DONE_FILE} -a ${DONE_FILE} -nt ${SRCDIR}/dist/${NAME}.tar.gz \
-a ${DONE_FILE} -nt ${SRCDIR}/configure.sh ]
then
echo "BEGIN MESSAGE"
echo "zlib has already been built; doing nothing"
echo "END MESSAGE"
else
echo "BEGIN MESSAGE"
echo "Building zlib"
echo "END MESSAGE"
# Build in a subshell
(
exec >&2 # Redirect stdout to stderr
if [ "$(echo ${VERBOSE} | tr '[:upper:]' '[:lower:]')" = 'yes' ]; then
set -x # Output commands
fi
set -e # Abort on errors
cd ${SCRATCH_BUILD}
# Set up environment
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
echo "zlib: Configuring..."
cd ${NAME}
./configure --prefix=${ZLIB_DIR} --static
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."
)
if (( $? )); then
echo 'BEGIN ERROR'
echo 'Error while building zlib. Aborting.'
echo 'END ERROR'
exit 1
fi
fi
fi
################################################################################
# Configure Cactus
################################################################################
# Set options
if [ "${ZLIB_DIR}" != 'NO_BUILD' ]; then
: ${ZLIB_INC_DIRS="${ZLIB_DIR}/include"}
: ${ZLIB_LIB_DIRS="${ZLIB_DIR}/lib"}
fi
: ${ZLIB_LIBS='z'}
ZLIB_INC_DIRS="$(${CCTK_HOME}/lib/sbin/strip-incdirs.sh ${ZLIB_INC_DIRS})"
ZLIB_LIB_DIRS="$(${CCTK_HOME}/lib/sbin/strip-libdirs.sh ${ZLIB_LIB_DIRS})"
# Pass options to Cactus
echo "BEGIN MAKE_DEFINITION"
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)'