#!/bin/sh
#	$NetBSD: mknative-gcc,v 1.15 2004/12/10 13:58:11 mrg Exp $
#
# Shell script for generating all the constants needed for a native
# platform build of src/gnu/dist/gcc.
#

# initialise

_TMPDIR=$2
_TOP=$3
_PLATFORM=$4
_VPATH=`grep VPATH ${_TMPDIR}/Makefile | sed 's,^.*=[ 	]*,,'`
_GNU_DIST=`cd ${_VPATH}; pwd`

. $_TOP/tools/gcc/mknative.common

##### gnu/lib/crtstuff #####

get_crtstuff () {
	mkdir -p $_TOP/gnu/lib/crtstuff3/arch

	getvars gcc/Makefile \
		INCLUDES CRTSTUFF_CFLAGS CRTSTUFF_T_CFLAGS \
		tm_defines xm_file xm_defines \
		| write_mk gnu/lib/crtstuff3/arch/$MACHINE_ARCH.mk
}

##### gnu/lib/libg2c #####

get_libg2c () {
	mkdir -p $_TOP/gnu/lib/libg2c3/arch/$MACHINE_ARCH

	write_c gnu/lib/libg2c3/arch/$MACHINE_ARCH/config.h <$_TMPDIR/$_PLATFORM/libf2c/libU77/config.h
	write_c gnu/lib/libg2c3/arch/$MACHINE_ARCH/g2c.h <$_TMPDIR/$_PLATFORM/libf2c/g2c.h

	{
		getvars $_PLATFORM/libf2c/Makefile \
			F2CEXT
		getvars $_PLATFORM/libf2c/libF77/Makefile \
			ALL_CFLAGS OBJS
		getvars $_PLATFORM/libf2c/libI77/Makefile \
			ALL_CFLAGS OBJS | sed 's,=,+=,'
		getvars $_PLATFORM/libf2c/libU77/Makefile \
			ALL_CFLAGS OBJS | sed 's,=,+=,'
	} | write_mk gnu/lib/libg2c3/arch/$MACHINE_ARCH/defs.mk
}

##### gnu/lib/libgcc #####

get_libgcc () {
	mkdir -p $_TOP/gnu/lib/libgcc3/arch

	# DPBIT, FPBIT only used on mn10[23]00, we don't need them.
	# XXX we should probably grab everything Just In Case for
	# the future.
	getvars gcc/Makefile \
		INCLUDES LIB2ADD LIB2ADDEH LIB2FUNCS_1 LIB2FUNCS_2 \
		LIB1ASMFUNCS LIB1ASMSRC \
		LIB2_DIVMOD_FUNCS LIB2FUNCS_ST \
		LIBGCC2_CFLAGS USE_COLLECT2 \
		SHLIB_MKMAP SHLIB_MKMAP_OPTS \
		SHLIB_MAPFILES SHLIB_NM_FLAGS \
		EXTRA_HEADERS \
		tm_defines xm_file xm_defines \
		| write_mk gnu/lib/libgcc3/arch/$MACHINE_ARCH.mk
}

##### gnu/usr.bin/gcc3/libiberty #####

get_gcc3_libiberty () {
	mkdir -p $_TOP/gnu/usr.bin/gcc3/libiberty/arch/$MACHINE_ARCH

	getvars libiberty/Makefile \
		ALLOCA EXTRA_OFILES LIBOBJS REQUIRED_OFILES \
		| write_mk gnu/usr.bin/gcc3/libiberty/defs.mk

	write_c gnu/usr.bin/gcc3/libiberty/arch/$MACHINE_ARCH/config.h \
		<$_TMPDIR/libiberty/config.h
}

##### gnu/lib/libobjc #####

get_libobjc () {
	mkdir -p $_TOP/gnu/lib/libobjc3

	getvars $_PLATFORM/libobjc/Makefile \
		ALL_CFLAGS INCLUDES OBJS OBJC_H \
		| sed "s,$_GNU_DIST,\${GNUHOSTDIST},g" \
		| write_mk gnu/lib/libobjc3/defs.mk
}

##### gnu/lib/libstdc++-v3 #####

get_libstdcxx_v3 () {
	mkdir -p $_TOP/gnu/lib/libstdc++-v3/arch/$MACHINE_ARCH

	# build files
	for h in gthr.h gthr-single.h gthr-posix.h gthr-default.h c++config.h; do
		write_c gnu/lib/libstdc++-v3/arch/$MACHINE_ARCH/$h \
			<$_TMPDIR/$_PLATFORM/libstdc++-v3/include/$_PLATFORM/bits/$h
	done

	write_c gnu/lib/libstdc++-v3/arch/$MACHINE_ARCH/config.h \
		<$_TMPDIR/$_PLATFORM/libstdc++-v3/config.h

	{
		# libmath
		getvars $_PLATFORM/libstdc++-v3/libmath/Makefile \
			libmath_la_SOURCES libmath_la_LIBADD

		# libsupc++
		getvars $_PLATFORM/libstdc++-v3/libsupc++/Makefile \
			sources | sed 's/^G_sources=/G_LIBSUPCXX_SOURCES=/'
		getvars $_PLATFORM/libstdc++-v3/libsupc++/Makefile \
			c_sources | sed 's/^G_c_sources=/G_LIBSUPCXX_C_SOURCES=/'

		# src
		getvars $_PLATFORM/libstdc++-v3/src/Makefile \
			sources SECTION_FLAGS | sed 's/^G_sources=/G_SRC_SOURCES=/'

		# include
		getvars $_PLATFORM/libstdc++-v3/include/Makefile \
			c_base_headers_rename std_headers_rename
		getvars $_PLATFORM/libstdc++-v3/include/Makefile \
			bits_headers backward_headers ext_headers c_base_headers_extra \
			target_headers | sed 's#/[^ 	][^ 	]*/##g'
		getvars $_PLATFORM/libstdc++-v3/include/Makefile \
			thread_target_headers target_headers_extra | sed 's#\./[^ 	][^ 	]*/##g'
	} | write_mk gnu/lib/libstdc++-v3/arch/$MACHINE_ARCH/defs.mk
}

##### gnu/usr.bin/gcc3 #####

get_gcc () {
	mkdir -p $_TOP/gnu/usr.bin/gcc3/arch/$MACHINE_ARCH

	{
		getvars gcc/Makefile \
			ALL_CFLAGS ALL_CPPFLAGS C_AND_OBJC_OBJS C_OBJS CCCP_OBJS \
			GCOV_OBJS PROTO_OBJS HOST_PRINT HOST_RTL HOST_RTLANAL \
			HOST_SUPPORT HOST_EARLY_SUPPORT HOST_ERRORS HOST_VARRAY \
			INCLUDES md_file OBJC_OBJS OBJS out_file version \
			BUILD_PREFIX RTL_H TREE_H HCONFIG_H BASIC_BLOCK_H GCC_H \
			GTFILES_SRCDIR GTFILES_FILES_FILES GTFILES_FILES_LANGS \
			GTFILES GTFILES_LANG_DIR_NAMES \
			tm_defines host_xm_file host_xm_defines tm_p_file \
			target_cpu_default \
			LIBCPP_OBJS LIBCPP_H \
			lang_specs_files
		getvars gcc/Makefile \
			LIB2ADDEHDEP | sed 's/unwind.inc//'
		getvars gcc/Makefile \
			CXX_OBJS CXX_C_OBJS | sed 's/cp\///g'
		getvars gcc/Makefile \
			F77_OBJS | sed 's/f\///g'
		getvars gcc/Makefile \
			ENABLE_SHARED SHLIB_LINK SHLIB_MULTILIB
	} | write_mk gnu/usr.bin/gcc3/arch/$MACHINE_ARCH/defs.mk

	for f in auto-host configargs cs-hconfig gencheck hconfig gthr-default; do
		write_c gnu/usr.bin/gcc3/arch/$MACHINE_ARCH/$f.h <$_TMPDIR/gcc/$f.h
	done
}

##### main #####

case $1 in
libgcc)	# .mk and .h files for libgcc bootstrap (from host build)
	get_libgcc
	get_crtstuff
	exit 0
	;;

gcc3)
	get_gcc
	get_libg2c
	get_libgcc
	get_crtstuff
	get_gcc3_libiberty
	get_libobjc
	get_libstdcxx_v3
	exit 0
	;;

*)	echo invalid arguments; exit 1;;
esac