#

# set -o errexit -o noglob are assumed.

# Order: stage1, runtime, libstdcpp_v3, full, native

# Order: stage1_x86_64_w64_mingw32, native_x86_64_w64_mingw32

#

pkgp_gcc_setup_env() {

	local __;

	export MAKE="make LIBTOOL=slibtool";

	export	cbb_ldflags_for_target=--sysroot="${PKG_PREFIX}"	\

		cbb_sysroot_for_libgcc="${PKG_PREFIX}"			\

		cbb_target="${PKG_TARGET}";

	case "${PKG_NAME}" in

	gcc_stage1)

		export	cbb_neutral_libiberty=no		\

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

	gcc_stage1_cross_x86_64_w64_mingw32)

		export	cbb_neutral_libiberty=no		\

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

	gcc_stage1_native_x86_64_w64_mingw32)

		export	cbb_neutral_libiberty=no		\

			cbb_xgcc_for_specs="${PKG_TARGET}-gcc"; ;;

	gcc_native)

		export	cbb_xgcc_for_specs="${PKG_TARGET}-gcc"	\

			sysroot_headers_suffix="${PKG_PREFIX}"; ;;

	esac;

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

	GCCFLAGS="${CFLAGS:+${CFLAGS} }--include $(readlink -f "${WORKDIR}/cbb-gcc-${1}/libc/cbb-musl-pe.h")";

	for __ in CFLAGS CFLAGS_FOR_BUILD CPPFLAGS_FOR_BUILD CXXFLAGS CXXFLAGS_FOR_BUILD; do

		export "${__}=${GCCFLAGS}";

	done;

	for __ in CFLAGS_FOR_TARGET CPPFLAGS_FOR_TARGET CXXFLAGS_FOR_TARGET LIBCFLAGS_FOR_TARGET XGCC_FLAGS_FOR_TARGET; do

		export "${__}=${GCCTARGET_FLAGS}";

	done;

	for __ in cbb_cflags_for_stage1 cbb_cflags_for_stage2 cbb_cflags_for_stage3 cbb_cflags_for_stage4; do

		export "${__}=${CFLAGS_FOR_BUILD}" ;

	done;

	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;

};

pkgp_gcc_configure() {

	build_fileop rm "${WORKDIR}/${PKG_BUILD_DIR}";

	build_fileop mkdir "${WORKDIR}/${PKG_BUILD_DIR}";

	build_fileop cd "${WORKDIR}/${PKG_BUILD_DIR}";

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

		--disable-bootstrap			\

		--disable-libmudflap			\

		--disable-multilib			\

		--disable-nls				\

		--disable-obsolete			\

		--disable-symvers			\

		--enable-__cxa_atexit			\

		--enable-canonical-system-headers	\

		--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="${PKG_TARGET}"		\

		--with-fpmath=sse;

	set_build_script_done "${PKG_NAME}" configure -build;

};

pkg_gcc_stage1_cross_x86_64_w64_mingw32_all() {

	pkg_gcc_stage1_all "${@}";

};

pkg_gcc_stage1_native_x86_64_w64_mingw32_all() {

	export AR="${TARGET}-ar";

	export CC="${TARGET}-gcc";

	export CXX="${TARGET}-g++";

	export RANLIB="${TARGET}-ranlib";

	pkg_gcc_stage1_all "${@}";

};

pkg_gcc_stage1_all() {

	local __ _restart_at="${1}";

	case "${PKG_NAME}" in

	gcc_stage1)

		PKG_GCC_VERSION="${PKG_GCC_STAGE1_VERSION}";

		set_build_dir "cbb-gcc-${PKG_GCC_VERSION}" cross;

		;;

	gcc_stage1_cross_x86_64_w64_mingw32)

		PKG_GCC_VERSION="${PKG_GCC_STAGE1_CROSS_X86_64_W64_MINGW32_VERSION}";

		set_build_dir "cbb-gcc-${PKG_GCC_VERSION}" cross;

		;;

	gcc_stage1_native_x86_64_w64_mingw32)

		PKG_GCC_VERSION="${PKG_GCC_STAGE1_NATIVE_X86_64_W64_MINGW32_VERSION}";

		set_build_dir "cbb-gcc-${PKG_GCC_VERSION}" native;

		;;

	esac;

	# GCC, stage1.

	if ! is_build_script_done "${PKG_NAME}" fetch "${_restart_at}"; then

		pkg_fetch -git "cbb-gcc-${PKG_GCC_VERSION}=${GITROOT}/cbb/cbb-gcc-${PKG_GCC_VERSION}";

		set_build_script_done "${PKG_NAME}" fetch -patch;

	fi;

	if ! is_build_script_done "${PKG_NAME}" patch "${_restart_at}"; then

		patch -b -d "${WORKDIR}" -p0 < "${MIDIPIX_BUILD_PWD}/patches/gcc.local.patch";

		set_build_script_done "${PKG_NAME}" patch -configure;

	fi;

	pkgp_gcc_setup_env "${PKG_GCC_VERSION}";

	if ! is_build_script_done "${PKG_NAME}" configure "${_restart_at}"; then

		build_fileop mkdir "${PKG_PREFIX}/include";

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

			build_fileop ln_symbolic . "${PKG_PREFIX}/usr";

		case "${PKG_NAME}" in

		gcc_stage1)

			pkgp_gcc_configure				\

				--disable-sjlj-exceptions		\

				--prefix="${PREFIX}"			\

				--with-sysroot="${PREFIX}/${PKG_TARGET}"; ;;

		gcc_stage1_cross_x86_64_w64_mingw32)

			pkgp_gcc_configure				\

				--enable-sjlj-exceptions		\

				--prefix="${PREFIX}"			\

				--with-sysroot="${PREFIX}/${PKG_TARGET}"\

				--without-headers; ;;

		gcc_stage1_native_x86_64_w64_mingw32)

			pkgp_gcc_configure				\

				--build=x86_64-unknown-linux-gnu	\

				--enable-sjlj-exceptions		\

				--host=x86_64-nt64-midipix		\

				--prefix=/				\

				--with-elf="${PKG_PREFIX}"		\

				--with-gmp="${PKG_PREFIX}"		\

				--with-mpc="${PKG_PREFIX}"		\

				--with-mpfr="${PKG_PREFIX}"		\

				--with-sysroot=				\

				--without-headers; ;;

		esac;

	else

		build_fileop cd "${WORKDIR}/${PKG_BUILD_DIR}";

	fi;

	if ! is_build_script_done "${PKG_NAME}" build "${_restart_at}"; then

		make ${MAKEFLAGS} all-gcc;

		set_build_script_done "${PKG_NAME}" build -install;

	fi;

	if ! is_build_script_done "${PKG_NAME}" install "${_restart_at}"; then

		case "${PKG_NAME}" in

		gcc_stage1)

			make ${MAKEFLAGS} install-gcc; ;;

		gcc_stage1_cross_x86_64_w64_mingw32)

			make ${MAKEFLAGS} install-gcc; ;;

		gcc_stage1_native_x86_64_w64_mingw32)

			make ${MAKEFLAGS} "DESTDIR=${PKG_PREFIX}" install-gcc; ;;

		esac;

		__="$(uname -s)";

		if [ "${__#*CYGWIN*}" != "${__}" ]; then

			build_fileop ln_symbolic "${PREFIX}/libexec/gcc/${PKG_TARGET}/${PKG_GCC_VERSION}/liblto_plugin.dll.a"	\

				build_fileop ln_symbolic "${PREFIX}/libexec/gcc/${PKG_TARGET}/${PKG_GCC_VERSION}/liblto_plugin.so";

		fi;

		set_build_script_done "${PKG_NAME}" install finish;

	fi;

	exit 0;

};

pkg_gcc_runtime_all() {

	local _restart_at="${1}";

	export MAKE="make LIBTOOL=slibtool";

	set_build_dir "cbb-gcc-${PKG_GCC_RUNTIME_VERSION}" cross;

	build_fileop cd "${WORKDIR}/${PKG_BUILD_DIR}";

	# GCC, compiler runtime.

	if ! is_build_script_done "${PKG_NAME}" build "${_restart_at}"; then

		make ${MAKEFLAGS} all-target-libgcc;

		set_build_script_done "${PKG_NAME}" build -install;

	fi;

	if ! is_build_script_done "${PKG_NAME}" install "${_restart_at}"; then

		make ${MAKEFLAGS} install-target-libgcc;

		set_build_script_done "${PKG_NAME}" install finish;

	fi;

	exit 0;

};

pkg_gcc_libstdcpp_v3_all() {

	local _restart_at="${1}";

	export MAKE="make LIBTOOL=slibtool";

	set_build_dir "cbb-gcc-${PKG_GCC_LIBSTDCPP_V3_VERSION}" cross;

	build_fileop cd "${WORKDIR}/${PKG_BUILD_DIR}";

	# GCC, libstdc++-v3.

	if ! is_build_script_done "${PKG_NAME}" build "${_restart_at}"; then

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

		set_build_script_done "${PKG_NAME}" build -install;

	fi;

	if ! is_build_script_done "${PKG_NAME}" install "${_restart_at}"; then

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

		set_build_script_done "${PKG_NAME}" install finish;

	fi;

	exit 0;

};

pkg_gcc_full_all() {

	local _restart_at="${1}";

	export MAKE="make LIBTOOL=slibtool";

	set_build_dir "cbb-gcc-${PKG_GCC_FULL_VERSION}" cross;

	build_fileop cd "${WORKDIR}/${PKG_BUILD_DIR}";

	# GCC, everything else.

	if ! is_build_script_done "${PKG_NAME}" build "${_restart_at}"; then

		make ${MAKEFLAGS};

		set_build_script_done "${PKG_NAME}" build -install;

	fi;

	if ! is_build_script_done "${PKG_NAME}" install "${_restart_at}"; then

		make ${MAKEFLAGS} install;

		set_build_script_done "${PKG_NAME}" install finish;

	fi;

	exit 0;

};

pkg_gcc_native_all() {

	local _restart_at="${1}" _configure_host;

	PKG_GCC_VERSION="${PKG_GCC_NATIVE_VERSION}";

	export MAKE="make LIBTOOL=slibtool";

	# GCC, native.

	set_build_dir "cbb-gcc-${PKG_GCC_VERSION}" native;

	pkgp_gcc_setup_env "${PKG_GCC_VERSION}";

	if ! is_build_script_done "${PKG_NAME}" configure "${_restart_at}"; then

		build_fileop mkdir "${PKG_PREFIX}/${PKG_TARGET}";

		if [ \! -d "${PKG_PREFIX}/${PKG_TARGET}/usr" ]; then

			build_fileop ln_symbolic . "${PKG_PREFIX}/${PKG_TARGET}/usr";

		fi;

		if [ "${ARCH}" = nt32 ]; then

			_configure_host="i686-nt32-midipix";

		else

			_configure_host="x86_64-nt64-midipix";

		fi;

		pkgp_gcc_configure				\

			--disable-sjlj-exceptions		\

			--host="${_configure_host}"		\

			--prefix=/				\

			--with-elf="${PKG_PREFIX}"		\

			--with-gmp="${PKG_PREFIX}"		\

			--with-mpc="${PKG_PREFIX}"		\

			--with-mpfr="${PKG_PREFIX}"		\

			--with-sysroot=;

	else

		build_fileop cd "${WORKDIR}/${PKG_BUILD_DIR}";

	fi;

	if ! is_build_script_done "${PKG_NAME}" build "${_restart_at}"; then

		make ${MAKEFLAGS} all-gcc;

		make ${MAKEFLAGS} all-target-libgcc;

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

		make ${MAKEFLAGS} all;

		set_build_script_done "${PKG_NAME}" build -install;

	fi;

	if ! is_build_script_done "${PKG_NAME}" install "${_restart_at}"; then

		make ${MAKEFLAGS} "DESTDIR=${PKG_PREFIX}" install;

		set_build_script_done "${PKG_NAME}" install finish;

	fi;

	exit 0;

};

# vim:filetype=sh