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# This file adds the functions to build the zlib library
# Copyright 2017 Alexey Neyman
# Licensed under the GPL v2. See COPYING in the root of this package
do_zlib_get() { :; }
do_zlib_extract() { :; }
do_zlib_for_build() { :; }
do_zlib_for_host() { :; }
do_zlib_for_target() { :; }
# Overide functions depending on configuration
if [ "${CT_ZLIB}" = "y" ]; then
# Download zlib
do_zlib_get() {
CT_GetFile "zlib-${CT_ZLIB_VERSION}" \
"http://downloads.sourceforge.net/project/libpng/zlib/${CT_ZLIB_VERSION}"
}
# Extract zlib
do_zlib_extract() {
CT_Extract "zlib-${CT_ZLIB_VERSION}"
CT_Patch "zlib" "${CT_ZLIB_VERSION}"
}
# Build zlib for running on build
# - always build statically
# - install in build-tools prefix
do_zlib_for_build() {
local -a zlib_opts
case "${CT_TOOLCHAIN_TYPE}" in
native|cross) return 0;;
esac
CT_DoStep INFO "Installing zlib for build"
CT_mkdir_pushd "${CT_BUILD_DIR}/build-zlib-build-${CT_BUILD}"
zlib_opts+=( "host=${CT_BUILD}" )
zlib_opts+=( "prefix=${CT_BUILDTOOLS_PREFIX_DIR}" )
zlib_opts+=( "cflags=${CT_CFLAGS_FOR_BUILD}" )
zlib_opts+=( "ldflags=${CT_LDFLAGS_FOR_BUILD}" )
do_zlib_backend "${zlib_opts[@]}"
CT_Popd
CT_EndStep
}
# Build zlib for running on host
do_zlib_for_host() {
local -a zlib_opts
CT_DoStep INFO "Installing zlib for host"
CT_mkdir_pushd "${CT_BUILD_DIR}/build-zlib-host-${CT_HOST}"
zlib_opts+=( "host=${CT_HOST}" )
zlib_opts+=( "prefix=${CT_HOST_COMPLIBS_DIR}" )
zlib_opts+=( "cflags=${CT_CFLAGS_FOR_HOST}" )
zlib_opts+=( "ldflags=${CT_LDFLAGS_FOR_HOST}" )
do_zlib_backend "${zlib_opts[@]}"
CT_Popd
CT_EndStep
}
# Build zlib
# Parameter : description : type : default
# host : machine to run on : tuple : (none)
# prefix : prefix to install into : dir : (none)
# cflags : cflags to use : string : (empty)
# ldflags : ldflags to use : string : (empty)
do_zlib_backend() {
local host
local prefix
local cflags
local ldflags
local arg
local -a extra_config
for arg in "$@"; do
eval "${arg// /\\ }"
done
CT_DoLog EXTRA "Configuring zlib"
CT_DoExecLog CFG \
CFLAGS="${cflags}" \
LDFLAGS="${ldflags}" \
CROSS_PREFIX="${host}-" \
${CONFIG_SHELL} \
"${CT_SRC_DIR}/zlib-${CT_ZLIB_VERSION}/configure" \
--prefix="${prefix}" \
--static \
"${extra_config[@]}"
CT_DoLog EXTRA "Building zlib"
CT_DoExecLog ALL make ${JOBSFLAGS}
if [ "${CT_COMPLIBS_CHECK}" = "y" ]; then
if [ "${host}" = "${CT_BUILD}" ]; then
CT_DoLog EXTRA "Checking zlib"
CT_DoExecLog ALL make ${JOBSFLAGS} -s check
else
# Cannot run host binaries on build in a canadian cross
CT_DoLog EXTRA "Skipping check for zlib on the host"
fi
fi
CT_DoLog EXTRA "Installing zlib"
CT_DoExecLog ALL make install
}
fi # CT_ZLIB
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