#

# set +o errexit -o noglob is assumed.

# Order: stage1_host, runtime_host, libstdcpp_v3_host, full_host, full

# Order: stage1_mingw32, native_mingw32

#

pkgp_gcc_build_dir() { PKG_BUILD_DIR="${1}-${2}-${PKG_TARGET}"; };

pkgp_gcc_state_set() { echo "step unknown ${PKG_NAME} ${1}" >&3; ex_pkg_state_set "${PKG_NAME}" ${1} -${2}; };

pkgp_gcc_setup_env() {

	local __="";

	export MAKE="make LIBTOOL=slibtool";

	export cbb_target="${PKG_TARGET}";

	unwind_midipix_h=$(readlink -f "${PKG_BASE_DIR}/cbb-gcc-${1}/gcc/unwind-midipix.h");

	case "${PKG_NAME}" in

	gcc_stage1_host)

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

		GCCTARGET_FLAGS="${GCCTARGET_FLAGS} --include=${unwind_midipix_h}";

		GCCTARGET_FLAGS="${GCCTARGET_FLAGS} -DTARGET_PERSONALITY_FUNCTION";

		GCCTARGET_FLAGS="${GCCTARGET_FLAGS} -DTARGET_PERSONALITY_FUNCTION_MIDIPIX";

		GCCTARGET_FLAGS="${GCCTARGET_FLAGS} ${DEFAULT_CFLAGS_DEBUG_RUNTIME}";

		export	cbb_neutral_libiberty=no						\

			cbb_ldflags_for_target=--sysroot="${PREFIX_CROSS}"			\

			cbb_sysroot_for_libgcc="${PREFIX_CROSS}"				\

			cbb_xgcc_for_specs="${PKG_BASE_DIR}/${PKG_BUILD_DIR}/gcc/xgcc"		\

			LDFLAGS="${PKG_LDFLAGS_CONFIGURE}"; ;;

	gcc_stage1_cross_mingw32)

		GCCTARGET_FLAGS="-DIN_TARGET_LIBRARY_BUILD --sysroot=${PREFIX_MINGW32} -midata";

		export	cbb_neutral_libiberty=no						\

			cbb_ldflags_for_target=--sysroot="${PREFIX_MINGW32}"			\

			cbb_sysroot_for_libgcc="${PREFIX_MINGW32}"				\

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

	gcc_stage1_native_mingw32)

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

		export	cbb_neutral_libiberty=no						\

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

			cbb_sysroot_for_libgcc="${PKG_PREFIX}"					\

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

	gcc_full)

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

		GCCTARGET_FLAGS="${GCCTARGET_FLAGS} --include=${unwind_midipix_h}";

		GCCTARGET_FLAGS="${GCCTARGET_FLAGS} -DTARGET_PERSONALITY_FUNCTION";

		GCCTARGET_FLAGS="${GCCTARGET_FLAGS} -DTARGET_PERSONALITY_FUNCTION_MIDIPIX";

		GCCTARGET_FLAGS="${GCCTARGET_FLAGS} ${DEFAULT_CFLAGS_DEBUG_RUNTIME}";

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

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

			cbb_sysroot_for_libgcc="${PKG_PREFIX}"					\

			sysroot_headers_suffix="${PKG_PREFIX}"; ;;

	esac;

	GCCFLAGS="${PKG_CFLAGS_CONFIGURE} --include $(readlink -f "${PKG_BASE_DIR}/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() {

	rtl_fileop rm "${PKG_BASE_DIR}/${PKG_BUILD_DIR}";

	rtl_fileop mkdir "${PKG_BASE_DIR}/${PKG_BUILD_DIR}";

	rtl_fileop cd "${PKG_BASE_DIR}/${PKG_BUILD_DIR}";

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

		--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++,fortran,objc,lto	\

		--enable-libstdcxx-debug		\

		--enable-lto				\

		--enable-multiarch			\

		--enable-secureplt			\

		--enable-shared				\

		--enable-threads=posix			\

		--target="${PKG_TARGET}"		\

		--with-fpmath=sse;

	pkgp_gcc_state_set configure build;

};

pkg_gcc_stage1_host_all() {

	pkg_gcc_stage1_all "${@}";

};

pkg_gcc_stage1_cross_mingw32_all() {

	rtl_fileop ln_symbolic . "${PKG_PREFIX}/x86_64-w64-mingw32/mingw";

	rtl_fileop mkdir "${PKG_DESTDIR}/x86_64-w64-mingw32";

	rtl_fileop ln_symbolic . "${PKG_DESTDIR}/x86_64-w64-mingw32/mingw";

	rtl_fileop mkdir "${PKG_PREFIX}/x86_64-w64-mingw32/include";

	pkg_gcc_stage1_all "${@}";

};

pkg_gcc_stage1_native_mingw32_all() {

	rtl_fileop ln_symbolic . "${PKG_PREFIX}/x86_64-w64-mingw32/mingw";

	rtl_fileop mkdir "${PKG_DESTDIR}/x86_64-w64-mingw32";

	rtl_fileop ln_symbolic . "${PKG_DESTDIR}/x86_64-w64-mingw32/mingw";

	rtl_fileop mkdir "${PKG_PREFIX}/x86_64-w64-mingw32/include";

	pkg_gcc_stage1_all "${@}";

};

pkg_gcc_stage1_all() {

	local __="" _restart_at="${1}";

	case "${PKG_NAME}" in

	gcc_stage1_host)

		rtl_fileop ln_symbolic . "${PREFIX_CROSS}/usr";

		rtl_fileop mkdir "${PREFIX_CROSS}/usr/include";

		pkgp_gcc_build_dir "cbb-gcc-${PKG_VERSION}" cross;

		;;

	gcc_stage1_cross_mingw32)

		pkgp_gcc_build_dir "cbb-gcc-${PKG_VERSION}" mingw32;

		;;

	gcc_stage1_native_mingw32)

		pkgp_gcc_build_dir "cbb-gcc-${PKG_VERSION}" native;

		;;

	esac;

	# GCC, stage1.

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

		rtl_fetch_urls_git "${PKG_BASE_DIR}" "cbb-gcc-${PKG_VERSION}=${PKG_GITROOT}/cbb/cbb-gcc-${PKG_VERSION}";

		pkgp_gcc_state_set fetch patch;

	fi;

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

		if [ -e "${MIDIPIX_BUILD_PWD}/patches/${PKG_NAME}.local.patch" ]; then

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

		fi;

		pkgp_gcc_state_set patch configure;

	fi;

	pkgp_gcc_setup_env "${PKG_VERSION}";

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

		case "${PKG_NAME}" in

		gcc_stage1_host)

			pkgp_gcc_configure				\

				--disable-sjlj-exceptions		\

				--prefix="${PREFIX}"			\

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

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

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

				--with-sysroot="${PREFIX_CROSS}"; ;;

		gcc_stage1_cross_mingw32)

			pkgp_gcc_configure				\

				--enable-sjlj-exceptions		\

				--prefix="${PREFIX}"			\

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

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

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

				--with-sysroot="${PREFIX_MINGW32}"	\

				--without-headers; ;;

		gcc_stage1_native_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

		rtl_fileop cd "${PKG_BASE_DIR}/${PKG_BUILD_DIR}";

	fi;

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

		make ${PKG_MAKEFLAGS_BUILD} all-gcc;

		pkgp_gcc_state_set build install;

	fi;

	if ! ex_pkg_state_test "${PKG_NAME}" install_subdirs "${_restart_at}"; then

		pkg_install_subdirs;

		pkgp_gcc_state_set install_subdirs install_make;

	fi;

	if ! ex_pkg_state_test "${PKG_NAME}" install_make "${_restart_at}"; then

		case "${PKG_NAME}" in

		gcc_stage1_host)

			make ${PKG_MAKEFLAGS_BUILD} "prefix=${PKG_DESTDIR}" install-gcc; ;;

		gcc_stage1_cross_mingw32)

			make ${PKG_MAKEFLAGS_BUILD} "prefix=${PKG_DESTDIR}" install-gcc; ;;

		gcc_stage1_native_mingw32)

			make ${PKG_MAKEFLAGS_BUILD} "prefix=${PKG_DESTDIR}" install-gcc; ;;

		esac;

		__="$(uname -s)";

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

			rtl_fileop ln_symbolic "${PKG_DESTDIR}/libexec/gcc/${PKG_TARGET}/${PKG_VERSION}/liblto_plugin.dll.a"	\

				rtl_fileop ln_symbolic "${PKG_DESTDIR}/libexec/gcc/${PKG_TARGET}/${PKG_VERSION}/liblto_plugin.so";

		fi;

		pkgp_gcc_state_set install_make install;

	fi;

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

		pkg_install;

		ex_pkg_state_set "${PKG_NAME}" install finish;

	fi;

};

pkg_gcc_runtime_host_all() {

	local _restart_at="${1}";

	local _vis_hide="vis_hide=-fvisibility=hidden";

	export MAKE="make LIBTOOL=slibtool ${_vis_hide}";

	pkgp_gcc_build_dir "cbb-gcc-${PKG_VERSION}" cross;

	rtl_fileop cd "${PKG_BASE_DIR}/${PKG_BUILD_DIR}";

	# GCC, compiler runtime.

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

		make ${PKG_MAKEFLAGS_BUILD} all-target-libgcc ${_vis_hide};

		pkgp_gcc_state_set build install;

	fi;

	if ! ex_pkg_state_test "${PKG_NAME}" install_subdirs "${_restart_at}"; then

		pkg_install_subdirs;

		pkgp_gcc_state_set install_subdirs install_make;

	fi;

	if ! ex_pkg_state_test "${PKG_NAME}" install_make "${_restart_at}"; then

		make ${PKG_MAKEFLAGS_BUILD} "prefix=${PKG_DESTDIR}" install-target-libgcc;

		pkgp_gcc_state_set install_make install;

	fi;

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

		pkg_install;

		ex_pkg_state_set "${PKG_NAME}" install finish;

	fi;

};

pkg_gcc_libstdcpp_v3_host_all() {

	local _restart_at="${1}";

	export MAKE="make LIBTOOL=slibtool";

	pkgp_gcc_build_dir "cbb-gcc-${PKG_VERSION}" cross;

	rtl_fileop cd "${PKG_BASE_DIR}/${PKG_BUILD_DIR}";

	# GCC, libstdc++-v3.

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

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

		pkgp_gcc_state_set build install;

	fi;

	if ! ex_pkg_state_test "${PKG_NAME}" install_subdirs "${_restart_at}"; then

		pkg_install_subdirs;

		pkgp_gcc_state_set install_subdirs install_make;

	fi;

	if ! ex_pkg_state_test "${PKG_NAME}" install_make "${_restart_at}"; then

		make ${PKG_MAKEFLAGS_BUILD} "prefix=${PKG_DESTDIR}" install-target-libstdc++-v3;

		pkgp_gcc_state_set install_make install;

	fi;

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

		pkg_install;

		ex_pkg_state_set "${PKG_NAME}" install finish;

	fi;

};

pkg_gcc_full_host_all() {

	local _restart_at="${1}";

	export MAKE="make LIBTOOL=slibtool";

	pkgp_gcc_build_dir "cbb-gcc-${PKG_VERSION}" cross;

	rtl_fileop cd "${PKG_BASE_DIR}/${PKG_BUILD_DIR}";

	# GCC, everything else.

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

		make ${PKG_MAKEFLAGS_BUILD};

		pkgp_gcc_state_set build install;

	fi;

	if ! ex_pkg_state_test "${PKG_NAME}" install_subdirs "${_restart_at}"; then

		pkg_install_subdirs;

		pkgp_gcc_state_set install_subdirs install_make;

	fi;

	if ! ex_pkg_state_test "${PKG_NAME}" install_make "${_restart_at}"; then

		make ${PKG_MAKEFLAGS_BUILD} "prefix=${PKG_DESTDIR}" install;

		pkgp_gcc_state_set install_make install;

	fi;

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

		pkg_install;

		ex_pkg_state_set "${PKG_NAME}" install finish;

	fi;

};

pkg_gcc_full_all() {

	local _restart_at="${1}" _configure_host="";

	local _vis_hide="vis_hide=-fvisibility=hidden";

	export MAKE="make LIBTOOL=slibtool ${_vis_hide}";

	# GCC, native.

	pkgp_gcc_build_dir "cbb-gcc-${PKG_VERSION}" native;

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

		rtl_fetch_urls_git "${PKG_BASE_DIR}" "cbb-gcc-${PKG_VERSION}=${PKG_GITROOT}/cbb/cbb-gcc-${PKG_VERSION}";

		pkgp_gcc_state_set fetch patch;

	fi;

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

		if [ -e "${MIDIPIX_BUILD_PWD}/patches/${PKG_NAME}.local.patch" ]; then

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

		fi;

		pkgp_gcc_state_set patch configure;

	fi;

	pkgp_gcc_setup_env "${PKG_VERSION}";

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

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

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

			rtl_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

		rtl_fileop cd "${PKG_BASE_DIR}/${PKG_BUILD_DIR}";

	fi;

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

		make ${PKG_MAKEFLAGS_BUILD} all-gcc;

		make ${PKG_MAKEFLAGS_BUILD} all-target-libgcc ${_vis_hide};

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

		make ${PKG_MAKEFLAGS_BUILD} all-target-libgfortran;

		make ${PKG_MAKEFLAGS_BUILD} all;

		pkgp_gcc_state_set build install;

	fi;

	if ! ex_pkg_state_test "${PKG_NAME}" install_subdirs "${_restart_at}"; then

		pkg_install_subdirs;

		pkgp_gcc_state_set install_subdirs install_make;

	fi;

	if ! ex_pkg_state_test "${PKG_NAME}" install_make "${_restart_at}"; then

		make ${PKG_MAKEFLAGS_BUILD} "prefix=${PKG_DESTDIR}" install;

		pkgp_gcc_state_set install_make install;

	fi;

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

		pkg_install;

		ex_pkg_state_set "${PKG_NAME}" install finish;

	fi;

};

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