#

# . ./build.vars and set -o errexit are assumed.

#

# Order: stage1, runtime, full, native

if [ "${3}" = runtime ]\

||   [ "${3}" = full ]; then

	set_build_dir cbb-gcc-${PKG_GCC_VERSION} cross;

	cd ${PKG_BUILD_DIR};

	if [ "${3}" = runtime ]; then

		# GCC, compiler runtime.

		if ! is_build_script_done build; then

			make ${MAKEFLAGS} all-target-libgcc;

			set_build_script_done build -install;

		fi;

		if ! is_build_script_done install; then

			make ${MAKEFLAGS} install-target-libgcc;

			set_build_script_done install finish;

		fi;

	elif [ "${3}" = full ]; then

		# GCC, everything else.

		if ! is_build_script_done build1; then

			make ${MAKEFLAGS} all-target-libstdc++-v3;

			set_build_script_done build1 -install1;

		fi;

		if ! is_build_script_done install1; then

			make ${MAKEFLAGS} install-target-libstdc++-v3;

			set_build_script_done install1 -build2;

		fi;

		if ! is_build_script_done build2; then

			make ${MAKEFLAGS};

			set_build_script_done build2 -install2;

		fi;

		if ! is_build_script_done install2; then

			make ${MAKEFLAGS} install;

			set_build_script_done install2 finish;

		fi;

	fi;

else

	if [ "${3}" = stage1 ]; then

		# GCC, stage1.

		if ! is_build_script_done fetch; then

			fetch_git cbb-gcc-${PKG_GCC_VERSION}		\

				${GITROOT}/cbb/cbb-gcc-${PKG_GCC_VERSION};

			set_build_script_done fetch -configure;

		fi;

		set_build_dir cbb-gcc-${PKG_GCC_VERSION} cross;

		export	cbb_ldflags_for_target=--sysroot=${PREFIX_LVL}	\

			cbb_sysroot_for_libgcc=${PREFIX_LVL}		\

			cbb_target=${TARGET}				\

			cbb_neutral_libiberty=no			\

			cbb_xgcc_for_specs=${WORKDIR}/${PKG_BUILD_DIR}/gcc/xgcc;

		GCCTARGET_FLAGS="-DIN_TARGET_LIBRARY_BUILD --sysroot=${PREFIX_LVL}";

	elif [ "${3}" = native ]; then

		# GCC, native.

		set_build_dir cbb-gcc-${PKG_GCC_VERSION} native;

		export 	cbb_ldflags_for_target=--sysroot=${PREFIX_LVL}	\

			cbb_sysroot_for_libgcc=${PREFIX_LVL}		\

			cbb_target=${TARGET}				\

			cbb_xgcc_for_specs=${TARGET}-gcc;

		GCCTARGET_FLAGS="-DIN_TARGET_LIBRARY_BUILD --sysroot=${PREFIX_LVL}";

	fi;

	GCCFLAGS="${CFLAGS:+${CFLAGS} }--include $(readlink -f ${WORKDIR}/cbb-gcc-${PKG_GCC_VERSION}/libc/cbb-musl-pe.h)";

	set_env_vars "${GCCFLAGS}" CFLAGS CFLAGS_FOR_BUILD CPPFLAGS_FOR_BUILD CXXFLAGS CXXFLAGS_FOR_BUILD;

	set_env_vars "${GCCTARGET_FLAGS}" CFLAGS_FOR_TARGET CPPFLAGS_FOR_TARGET CXXFLAGS_FOR_TARGET LIBCFLAGS_FOR_TARGET XGCC_FLAGS_FOR_TARGET;

	set_env_vars "${CFLAGS_FOR_BUILD}" cbb_cflags_for_stage1 cbb_cflags_for_stage2 cbb_cflags_for_stage3 cbb_cflags_for_stage4;

	export CFLAGS CXXFLAGS CFLAGS_FOR_BUILD CPPFLAGS_FOR_BUILD CXXFLAGS_FOR_BUILD CFLAGS_FOR_TARGET XGCC_FLAGS_FOR_TARGET CPPFLAGS_FOR_TARGET CXXFLAGS_FOR_TARGET LIBCFLAGS_FOR_TARGET;

	if ! is_build_script_done configure; then

		if [ "${3}" = stage1 ]; then

			mkdir -p ${PREFIX_LVL}/include;

			[ \! -d ${PREFIX_LVL}/usr ] &&			\

				ln -s . ${PREFIX_LVL}/usr;

			_configure_args="--prefix=${PREFIX} --with-sysroot=${PREFIX_LVL}";

		elif [ "${3}" = native ]; then

			mkdir -p ${PREFIX_LVL}/${TARGET};

			if [ \! -d ${PREFIX_LVL}/${TARGET}/usr ]; then

				ln -s . ${PREFIX_LVL}/${TARGET}/usr;

			fi;

			_configure_args="			\

				--host=x86_64-nt64-midipix	\

				--prefix=/			\

				--with-elf=${PREFIX_LVL}	\

				--with-gmp=${PREFIX_LVL}	\

				--with-mpc=${PREFIX_LVL}	\

				--with-mpfr=${PREFIX_LVL}	\

				--with-sysroot=";

		fi;

		rm_if_exists -m -c ${PKG_BUILD_DIR};

		../cbb-gcc-${PKG_GCC_VERSION}/configure		\

			--disable-bootstrap			\

			--disable-libmudflap			\

			--disable-multilib			\

			--disable-nls				\

			--disable-obsolete			\

			--disable-sjlj-exceptions		\

			--disable-symvers			\

			--enable-canonical-system-headers	\

			--enable-__cxa_atexit			\

			--enable-debug				\

			--enable-gnu-indirect-function		\

			--enable-gnu-unique-object		\

			--enable-initfini-array			\

			--enable-languages=c,c++,objc,lto	\

			--enable-libstdcxx-debug		\

			--enable-lto				\

			--enable-multiarch			\

			--enable-secureplt			\

			--enable-shared				\

			--enable-threads=posix			\

			--target=${TARGET}			\

			--with-fpmath=sse			\

			${_configure_args};

		set_build_script_done configure clean -build;

	else

		cd ${PKG_BUILD_DIR};

	fi;

	if ! is_build_script_done clean; then

		make ${MAKEFLAGS} clean;

		set_build_script_done clean -build;

	fi;

	if ! is_build_script_done build; then

		if [ "${3}" = stage1 ]; then

			make ${MAKEFLAGS} all-gcc;

		elif [ "${3}" = native ]; then

			make ${MAKEFLAGS} all-gcc;

			make ${MAKEFLAGS} all-target-libgcc;

			make ${MAKEFLAGS} all-target-libstdc++-v3;

			make ${MAKEFLAGS} all;

		fi;

		set_build_script_done build -install;

	fi;

	if ! is_build_script_done install; then

		if [ "${3}" = stage1 ]; then

			make ${MAKEFLAGS} install-gcc;

		elif [ "${3}" = native ]; then

			make ${MAKEFLAGS} DESTDIR=${PREFIX_LVL} install;

		fi;

		set_build_script_done install finish;

	fi;

fi;

# vim:filetype=sh