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#
# set -o errexit -o noglob are assumed.
#

pkg_setup_env() {
	local	_pkg_name_uc _pkg_name_parent_uc				\
		_vars_fname _vname _build_uc __ _log_env_vars;
	_pkg_name_uc="$(echo ${PKG_NAME} | tr a-z A-Z)";
	for _vars_fname in vars/${PKG_NAME}.vars; do
		[ -e "${_vars_fname}" ] && . "${_vars_fname}";
	done;
	_build_uc="$(echo ${BUILD} | tr a-z A-Z)";
	if [ -n "${PKG_NAME_PARENT}" ]; then
		_pkg_name_parent_uc="$(echo ${PKG_NAME_PARENT} | tr a-z A-Z)";
		for _vname in PREFIX ${PKG_BUILD_VARS}; do
			for __ in "DEFAULT_${_vname}"				\
				  "${BUILD_TARGET}_${_vname}"			\
				  "PKG_${_pkg_name_parent_uc}_${_vname}"	\
				  "PKG_${_pkg_name_parent_uc}_${_vname}_${_build_uc}"; do
				set_var_unsafe "PKG_${_vname}" "$(get_var_unsafe ${__})";
			done;
		done;
	fi;
	for _vname in PREFIX ${PKG_BUILD_VARS}; do
		for __ in "DEFAULT_${_vname}"					\
			  "${BUILD_TARGET}_${_vname}"				\
			  "PKG_${_pkg_name_uc}_${_vname}"			\
			  "PKG_${_pkg_name_uc}_${_vname}_${_build_uc}"; do
			set_var_unsafe "PKG_${_vname}" "$(get_var_unsafe ${__})";
		done;
	done;
	if [ -z "${PKG_URL}" -a -z "${PKG_URLS_GIT}" -a -z "${PKG_VERSION}" ]; then
		log_msg failexit "Error: package \`${PKG_NAME}' missing in build.vars.";
	else
		[ -n "${PKG_ENV_VARS_EXTRA}" ] && set_env_vars_with_sep : "${PKG_ENV_VARS_EXTRA}";
		[ -z "${PKG_FNAME}" ] && PKG_FNAME="${PKG_URL##*/}";
		[ -z "${PKG_SUBDIR}" ] && PKG_SUBDIR="${PKG_FNAME%%.t*}";
		[ -z "${PKG_TARGET}" ] && PKG_TARGET="${TARGET}";
		[ -z "${MIDIPIX_BUILD_PWD}" ] && MIDIPIX_BUILD_PWD="$(pwd)";
		if [ -z "${PKG_BUILD_DIR}" ]; then
			set_build_dir "${PKG_SUBDIR}" "${PKG_BUILD_TYPE:-native}";
		fi;
		if [ "${PKG_BUILD_TYPE}" = "host" ]; then
			export AR="ar";
			export CC="gcc";
			export CXX="g++";
			export RANLIB="ranlib";
		else
			export AR="${PKG_TARGET}-ar";
			export CC="${PKG_TARGET}-gcc";
			export CXX="${PKG_TARGET}-g++";
			export RANLIB="${PKG_TARGET}-ranlib";
		fi;
		if [ "${PKG_SLIBTOOL}" != "default" ]; then
			export LIBTOOL="${PKG_SLIBTOOL:-slibtool}";
			export MAKE="make LIBTOOL=${PKG_SLIBTOOL:-slibtool}";
		fi;
	fi;
	for __ in $(set); do
		if [ -n "${_pkg_name_parent_uc}" ]\
		&& [ "${__#PKG_${_pkg_name_parent_uc}}" != "${__}" ]; then
			_log_env_vars="${_log_env_vars:+${_log_env_vars} }${__%%=*}";
		elif [ "${__#PKG_${_pkg_name_uc}}" != "${__}" ]; then
			_log_env_vars="${_log_env_vars:+${_log_env_vars} }${__%%=*}";
		fi;
	done;
	if [ -n "${_log_env_vars}" ]; then
 		log_env_vars "build" ${_log_env_vars};
	fi;
};

# vim:filetype=sh