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mknative-gcc revision 1.105 
      1 #!/bin/sh
      2 #	$NetBSD: mknative-gcc,v 1.105 2020/08/13 01:52:37 mrg Exp $
      3 #
      4 # Shell script for generating all the constants needed for a native
      5 # platform build of gcc.
      6 #
      7 # This version is for GCC 8.4
      8 
      9 # initialise
     10 
     11 _TMPDIR=$2
     12 _TOP=$3
     13 _SRC=$4
     14 _PLATFORM=$5
     15 _DESTDIR=$6
     16 _TOOLDIR=$7
     17 _VPATH=`grep VPATH ${_TMPDIR}/Makefile | sed 's,^.*=[ 	]*,,'`
     18 _GNU_DIST=`cd ${_VPATH}; pwd`
     19 
     20 if [ -z "$_DESTDIR" ]; then
     21 	echo "\$_DESTDIR is empty" 2>&1
     22 	exit 1
     23 fi
     24 
     25 . $_TOP/tools/gcc/mknative.common
     26 
     27 case $0 in
     28 	*mknative-gcc.old)
     29 		_OUTDIRBASE="external/gpl3/gcc.old"
     30 		;;
     31 	*)
     32 		_OUTDIRBASE="external/gpl3/gcc"
     33 		;;
     34 esac
     35 _OUTDIR="$_TOP/$_OUTDIRBASE"
     36 
     37 sanitise_includes () {
     38 	sed \
     39 		-e "s,-I$_DESTDIR/usr/include,,g" \
     40 		-e "s,-I$_SRC/external/lgpl3/mpfr/dist/src,,g" \
     41 		-e "s,-I$_SRC/external/lgpl3/mpc/dist/src,,g" \
     42 		-e "s,-I$_SRC/external/lgpl3/gmp/lib/libgmp/arch/[a-z_0-9-]*,,g" \
     43 		-e "s,-I$_TOOLDIR/include,,g" \
     44 		-e "s,-I/usr/include/[^ 	]*,,"
     45 }
     46 
     47 ##### lib/libg2c #####
     48 
     49 get_libg2c () {
     50 	mkdir -p $_OUTDIR/lib/libg2c3/arch/$MACHINE_ARCH
     51 
     52 	write_c $_OUTDIRBASE/lib/libg2c3/arch/$MACHINE_ARCH/config.h <$_TMPDIR/$_PLATFORM/libf2c/libU77/config.h
     53 	write_c $_OUTDIRBASE/lib/libg2c3/arch/$MACHINE_ARCH/g2c.h <$_TMPDIR/$_PLATFORM/libf2c/g2c.h
     54 
     55 	{
     56 		getvars $_PLATFORM/libf2c/Makefile \
     57 			F2CEXT
     58 		getvars $_PLATFORM/libf2c/libF77/Makefile \
     59 			ALL_CFLAGS OBJS
     60 		getvars $_PLATFORM/libf2c/libI77/Makefile \
     61 			ALL_CFLAGS OBJS | sed 's,=,+=,'
     62 		getvars $_PLATFORM/libf2c/libU77/Makefile \
     63 			ALL_CFLAGS OBJS | sed 's,=,+=,'
     64 	} | write_mk $_OUTDIRBASE/lib/libg2c3/arch/$MACHINE_ARCH/defs.mk
     65 }
     66 
     67 ##### lib/libgcc #####
     68 
     69 get_libgcc () {
     70 	_subdir="$1"
     71 	mkdir -p $_OUTDIR/lib/lib$_subdir/arch
     72 
     73 	# DPBIT, FPBIT only used on mn10[23]00, we don't need them.
     74 	# XXX we should probably grab everything Just In Case for
     75 	# the future.
     76 
     77 	mkdir -p $_OUTDIR/lib/lib$_subdir/arch/$MACHINE_ARCH
     78 	cd $_TMPDIR/$_PLATFORM/libgcc
     79 	{
     80 		getvars $_PLATFORM/libgcc/Makefile \
     81 			INCLUDES \
     82 			INTERNAL_CFLAGS \
     83 			LIB2ADD LIB2ADDEH LIB2ADD_ST \
     84 			LIB1ASMFUNCS LIB1ASMSRC \
     85 			LIB2_DIVMOD_FUNCS LIB2FUNCS_ST \
     86 			LIB2FUNCS_EXTRA \
     87 			LIBGCC2_CFLAGS \
     88 			SHLIB_MKMAP SHLIB_MKMAP_OPTS \
     89 			SHLIB_MAPFILES SHLIB_NM_FLAGS
     90 		getvars gcc/Makefile \
     91 			NOEXCEPTION_FLAGS EXTRA_HEADERS
     92 	}	| sanitise_includes \
     93 		| write_mk $_OUTDIRBASE/lib/lib$_subdir/arch/$MACHINE_ARCH/defs.mk
     94 
     95 	cd $_TMPDIR/$_PLATFORM/libgcc
     96 	{
     97 		getvars $_PLATFORM/libgcc/Makefile \
     98 			enable_execute_stack \
     99 			unwind_header md_unwind_header \
    100 			sfp_machine_header thread_header
    101 	}	| sanitise_includes \
    102 		| write_mk $_OUTDIRBASE/lib/lib$_subdir/arch/$MACHINE_ARCH/gthr-defs.mk
    103 
    104 	if [ "${MACHINE_ARCH}" = "m68000" ]
    105 	then
    106 		ex <<__EOF__ $_OUTDIR/lib/lib$_subdir/arch/$MACHINE_ARCH/defs.mk
    107 /G_LIBGCC2_CFLAGS/ s/-fPIC//
    108 wq
    109 __EOF__
    110 	fi
    111 
    112 	for f in auto-target.h; do
    113 		write_c $_OUTDIRBASE/lib/lib$_subdir/arch/$MACHINE_ARCH/$f \
    114 		    <$_TMPDIR/$_PLATFORM/libgcc/$f
    115 	done
    116 }
    117 
    118 ##### lib/libgcov #####
    119 
    120 get_libgcov () {
    121 	_subdir="$1"
    122 	_mf="$2"
    123 
    124 	mkdir -p $_OUTDIR/lib/lib$_subdir/libgcov/arch/$MACHINE_ARCH
    125 
    126 	{
    127 		getvars $_mf \
    128 			LIBGCOV_MERGE \
    129 			LIBGCOV_PROFILER \
    130 			LIBGCOV_INTERFACE \
    131 			LIBGCOV_DRIVER
    132 	} | write_mk $_OUTDIRBASE/lib/lib$_subdir/libgcov/arch/$MACHINE_ARCH/defs.mk
    133 
    134 	write_c $_OUTDIRBASE/lib/lib$_subdir/libgcov/arch/$MACHINE_ARCH/gcov-iov.h \
    135 	   <$_TMPDIR/gcc/gcov-iov.h
    136 
    137 }
    138 
    139 ##### lib/libiberty #####
    140 
    141 get_gcc_libiberty () {
    142 	_subdir="$1"
    143 	_libibertydir="lib/libiberty"
    144 	mkdir -p $_OUTDIR/$_libibertydir/arch/$MACHINE_ARCH
    145 
    146 	getvars libiberty/Makefile \
    147 		ALLOCA EXTRA_OFILES LIBOBJS REQUIRED_OFILES \
    148 		| write_mk $_OUTDIRBASE/$_libibertydir/defs.mk
    149 
    150 	write_c $_OUTDIRBASE/$_libibertydir/arch/$MACHINE_ARCH/config.h \
    151 		<$_TMPDIR/libiberty/config.h
    152 }
    153 
    154 ##### lib/libdecnumber #####
    155 
    156 get_libdecnumber () {
    157 	_subdir="$1"
    158 
    159 	mkdir -p $_OUTDIR/usr.bin/$_subdir/arch/$MACHINE_ARCH
    160 	write_c $_OUTDIRBASE/usr.bin/$_subdir/arch/$MACHINE_ARCH/config.h \
    161 		<$_TMPDIR/libdecnumber/config.h
    162 }
    163 
    164 ##### lib/libgomp #####
    165 
    166 get_libgomp () {
    167 	_subdir="$1"
    168 
    169 	mkdir -p $_OUTDIR/lib/$_subdir/arch/$MACHINE_ARCH
    170 
    171 	getvars $_PLATFORM/libgomp/Makefile \
    172 		libgomp_la_SOURCES \
    173 		| write_mk $_OUTDIRBASE/lib/$_subdir/defs.mk
    174 
    175 	write_c $_OUTDIRBASE/lib/$_subdir/arch/$MACHINE_ARCH/config.h \
    176 		<$_TMPDIR/$_PLATFORM/libgomp/config.h
    177 	write_c $_OUTDIRBASE/lib/$_subdir/arch/$MACHINE_ARCH/libgomp_f.h \
    178 		<$_TMPDIR/$_PLATFORM/libgomp/libgomp_f.h
    179 	write_mk $_OUTDIRBASE/lib/$_subdir/arch/$MACHINE_ARCH/libgomp.spec \
    180 		<$_TMPDIR/$_PLATFORM/libgomp/libgomp.spec
    181 	write_c $_OUTDIRBASE/lib/$_subdir/arch/$MACHINE_ARCH/omp.h \
    182 		<$_TMPDIR/$_PLATFORM/libgomp/omp.h
    183 }
    184 
    185 ##### lib/libbacktrace #####
    186 
    187 get_libbacktrace () {
    188 	_subdir="$1"
    189 
    190 	mkdir -p $_OUTDIR/lib/$_subdir/arch/$MACHINE_ARCH
    191 	write_c $_OUTDIRBASE/lib/$_subdir/arch/$MACHINE_ARCH/config.h \
    192 		<$_TMPDIR/$_PLATFORM/$_subdir/config.h
    193 	write_c $_OUTDIRBASE/lib/$_subdir/arch/$MACHINE_ARCH/backtrace-supported.h \
    194 		<$_TMPDIR/$_PLATFORM/$_subdir/backtrace-supported.h
    195 }
    196 
    197 ##### lib/libobjc #####
    198 
    199 get_libobjc () {
    200 	_subdir="$1/arch/$MACHINE_ARCH"
    201 	_options="ALL_OPT_FILES"
    202 
    203 	mkdir -p $_OUTDIR/lib/$_subdir
    204 
    205 	{
    206 		if [ -n "$_options" ]; then
    207 			getvars gcc/Makefile $_options
    208 		fi
    209 		getvars $_PLATFORM/libobjc/Makefile \
    210 			ALL_CFLAGS INCLUDES OBJC_SOURCE_FILES C_SOURCE_FILES OBJC_H \
    211 			| sed "s,$_GNU_DIST,\${GNUHOSTDIST},g"
    212 	} | sanitise_includes \
    213 	  | write_mk $_OUTDIRBASE/lib/$_subdir/defs.mk
    214 
    215 	write_c $_OUTDIRBASE/lib/$_subdir/config.h \
    216 		<$_TMPDIR/$_PLATFORM/libobjc/config.h
    217 }
    218 
    219 ##### lib/libstdc++-v3 #####
    220 
    221 get_libstdcxx_v3 () {
    222 	_subdir="$1"
    223 	_ver="$2"
    224 
    225 	mkdir -p $_OUTDIR/lib/$_subdir/arch/$MACHINE_ARCH
    226 
    227 	_build_headers="c++config.h cxxabi_tweaks.h"
    228 	_headers1="c_base_headers_extra_install"
    229 	_headers1="$_headers1 tr1_headers tr2_headers decimal_headers c_compatibility_headers_install"
    230 	_headers1="$_headers1 debug_headers parallel_headers"
    231 	_headers2="host_headers thread_host_headers"
    232 	_pf_headers="profile_headers profile_impl_headers"
    233 	_pb_headers="pb_headers1 pb_headers2 pb_headers3 pb_headers4 pb_headers5 pb_headers6 pb_headers7"
    234 
    235 	# build files
    236 	for h in $_build_headers; do
    237 		write_c $_OUTDIRBASE/lib/$_subdir/arch/$MACHINE_ARCH/$h \
    238 			<$_TMPDIR/$_PLATFORM/libstdc++-v3/include/$_PLATFORM/bits/$h
    239 	done
    240 
    241 	write_c $_OUTDIRBASE/lib/$_subdir/arch/$MACHINE_ARCH/gstdint.h \
    242 		<$_TMPDIR/$_PLATFORM/libstdc++-v3/include/gstdint.h
    243 	write_c $_OUTDIRBASE/lib/$_subdir/arch/$MACHINE_ARCH/symver-config.h \
    244 		<$_TMPDIR/$_PLATFORM/libstdc++-v3/config.h
    245 
    246 	{
    247 		getvars $_PLATFORM/libstdc++-v3/Makefile \
    248 			port_specific_symbol_files
    249 		getvars $_PLATFORM/libstdc++-v3/src/Makefile \
    250 			cxx11_sources \
    251 			cxx98_sources
    252 
    253 		# libsupc++
    254 		getvars $_PLATFORM/libstdc++-v3/libsupc++/Makefile \
    255 			sources | sed 's/^G_sources=/G_LIBSUPCXX_SOURCES=/'
    256 		getvars $_PLATFORM/libstdc++-v3/libsupc++/Makefile \
    257 			c_sources | sed 's/^G_c_sources=/G_LIBSUPCXX_C_SOURCES=/'
    258 
    259 		# includes
    260 		getvars $_PLATFORM/libstdc++-v3/include/Makefile \
    261 			c_base_headers std_headers | sed -e 's#/[^ 	][^ 	]*/##g' -e 's/\${GNUHOSTDIST}//g'
    262 
    263 		# src
    264 		getvars $_PLATFORM/libstdc++-v3/src/Makefile \
    265 			libstdc___la_SOURCES | sed 's/^G_libstdc___la_SOURCES=/G_SRC_SOURCES=/'
    266 		getvars $_PLATFORM/libstdc++-v3/src/c++11/Makefile \
    267 			libc__11convenience_la_SOURCES | \
    268 			sed -e 's/^G_libc__11convenience_la_SOURCES=/G_CPP11_SOURCES=/' \
    269 			    -e 's/codecvt.cc/c11-codecvt.cc/'
    270 		getvars $_PLATFORM/libstdc++-v3/src/c++98/Makefile \
    271 			GLIBCXX_ABI_FLAGS libc__98convenience_la_SOURCES | \
    272 			sed -e 's/^G_libc__98convenience_la_SOURCES=/G_CPP98_SOURCES=/' \
    273 			    -e 's/codecvt.cc/c98-codecvt.cc/'
    274 		getvars $_PLATFORM/libstdc++-v3/src/filesystem/Makefile \
    275 			libstdc__fs_la_SOURCES | \
    276 			sed -e 's/^G_libstdc__fs_la_SOURCES=/G_FILESYSTEM_SOURCES=/'
    277 		getvars $_PLATFORM/libstdc++-v3/Makefile ATOMICITY_SRCDIR \
    278 			BASIC_FILE_CC CLOCALE_CC CCODECVT_CC CCOLLATE_CC \
    279 			CCTYPE_CC  CMESSAGES_CC CMONEY_CC CNUMERIC_CC CTIME_CC \
    280 			CPU_OPT_BITS_RANDOM
    281 
    282 		# includes
    283 		getvars $_PLATFORM/libstdc++-v3/include/Makefile \
    284 			backward_headers c_base_headers_extra $_headers1 $_pb_headers | \
    285 				sed -e 's#\${GNUHOSTDIST}/libstdc++-v3/include/##g'
    286 		getvars $_PLATFORM/libstdc++-v3/include/Makefile \
    287 			bits_headers ext_headers $_headers2 | \
    288 				sed -e 's#\${GNUHOSTDIST}/libstdc++-v3/include/##g' -e 's#\${GNUHOSTDIST}/libstdc++-v3/config/##g'
    289 		getvars $_PLATFORM/libstdc++-v3/include/Makefile \
    290 			$_pf_headers | sed -e 's#\${GNUHOSTDIST}/libstdc++-v3/include/profile/##g'
    291 		getvars $_PLATFORM/libstdc++-v3/include/Makefile \
    292 			BASIC_FILE_H ALLOCATOR_H CSTDIO_H CLOCALE_H CMESSAGES_H CTIME_H
    293 	} | sanitise_includes \
    294 	  | write_mk $_OUTDIRBASE/lib/$_subdir/arch/$MACHINE_ARCH/defs.mk
    295 }
    296 
    297 ##### usr.bin/gcc* #####
    298 
    299 get_gcc_bootstrap () {
    300 	_subdir="$1"
    301 	mkdir -p $_OUTDIR/usr.bin/$_subdir/arch/$MACHINE_ARCH
    302 	for f in auto-host tm config; do
    303 		write_c $_OUTDIRBASE/usr.bin/$_subdir/arch/$MACHINE_ARCH/$f.h <$_TMPDIR/gcc/$f.h
    304 	done
    305 	# XXXGCC5 don't really want to copy insn-modes as we build
    306 	# it but libgcc needs to too early yet
    307 	for f in insn-modes; do
    308 		write_c $_OUTDIRBASE/usr.bin/$_subdir/arch/$MACHINE_ARCH/$f.h <$_TMPDIR/gcc/$f.h
    309 	done
    310 }
    311 
    312 get_gcc () {
    313 	_subdir="$1"
    314 	mkdir -p $_OUTDIR/usr.bin/$_subdir/arch/$MACHINE_ARCH
    315 	mkdir -p $_OUTDIR/usr.bin/libcpp/arch/$MACHINE_ARCH
    316 	mkdir -p $_OUTDIR/usr.bin/include/arch
    317 	mkdir -p $_OUTDIR/usr.bin/common-target/arch
    318 	_buildname="BUILD_"
    319 	_libcppsubdir=""
    320 	_extravars="TM_H ALL_OPT_FILES"
    321 	_hconfig_h=""
    322 	_extravars2="tm_file_list build_xm_include_list"
    323 	_extravars3="tm_p_include_list"
    324 
    325 	{
    326 		getvars gcc/Makefile \
    327 			${_buildname}EARLY_SUPPORT ${_buildname}ERRORS ${_buildname}PRINT \
    328 			${_buildname}RTL ${_buildname}SUPPORT ${_buildname}VARRAY \
    329 			${_buildname}MD | \
    330 		    sed -e 's#build/errors.o#build-errors.o#g' \
    331 			-e 's#build/print-rtl.o#build-print-rtl.o#g' \
    332 			-e 's#build/rtl.o#build-rtl.o#g' \
    333 			-e 's#build/varray.o#build-varray.o#g' \
    334 			-e 's#build/ggc-none.o#build-ggc-none.o#g' \
    335 			-e 's#build/##g'
    336 		getvars gcc/Makefile \
    337 			ALL_CFLAGS ALL_CPPFLAGS C_AND_OBJC_OBJS C_OBJS CCCP_OBJS \
    338 			GCC_OBJS GCOV_OBJS GCOV_DUMP_OBJS GXX_OBJS GTM_H PROTO_OBJS ${_extravars1} \
    339 			INCLUDES md_file OBJC_OBJS OBJS out_file version \
    340 			BUILD_PREFIX RTL_H RTL_BASE_H TREE_H ${_hconfig_h} BASIC_BLOCK_H GCC_H \
    341 			GGC_H \
    342 			GTFILES_SRCDIR GTFILES_FILES_FILES GTFILES_FILES_LANGS \
    343 			GTFILES GTFILES_LANG_DIR_NAMES NOEXCEPTION_FLAGS \
    344 			NATIVE_SYSTEM_HEADER_DIR \
    345 			tm_defines host_xm_file host_xm_defines tm_p_file \
    346 			target_cpu_default ${_extravars} ${_extravars2} \
    347 			lang_specs_files ${_extravars3} \
    348 			common_out_file \
    349 				| sanitise_includes
    350 		getvars gcc/Makefile \
    351 			LIB2ADDEHDEP | sed 's/unwind.inc//'
    352 		getvars gcc/Makefile \
    353 			CXX_OBJS CXX_C_OBJS | sed 's/cp\///g'
    354 		getvars gcc/Makefile \
    355 			F77_OBJS | sed 's/f\///g'
    356 		getvars libcpp/Makefile \
    357 			libcpp_a_OBJS
    358 		getvars gcc/Makefile \
    359 			ENABLE_SHARED
    360 		echo G_SHLIB_LINK="$CC -shared"
    361 		echo G_SHLIB_MULTILIB=.
    362 	} | write_mk $_OUTDIRBASE/usr.bin/$_subdir/arch/$MACHINE_ARCH/defs.mk
    363 
    364 	getvars gcc/Makefile \
    365 		EXTRA_HEADERS \
    366 			| write_mk $_OUTDIRBASE/usr.bin/include/arch/$MACHINE_ARCH.mk
    367 
    368 	getvars gcc/Makefile \
    369 		OBJS-libcommon \
    370 			| write_mk $_OUTDIRBASE/usr.bin/common/defs.mk
    371 	getvars gcc/Makefile \
    372 		OBJS-libcommon-target \
    373 			| write_mk $_OUTDIRBASE/usr.bin/common-target/arch/$MACHINE_ARCH.mk
    374 
    375 	write_c $_OUTDIRBASE/usr.bin/libcpp/arch/$MACHINE_ARCH/config.h <$_TMPDIR/libcpp/config.h
    376 	hfiles='auto-host configargs config bconfig bversion plugin-version multilib tm'
    377 	for f in $hfiles; do
    378 		write_c $_OUTDIRBASE/usr.bin/$_subdir/arch/$MACHINE_ARCH/$f.h <$_TMPDIR/gcc/$f.h
    379 		if [ "${MACHINE_ARCH}" = "powerpc" -a "${f}" = "configargs" ]
    380 		then
    381 			ex <<__EOF__ $_OUTDIR/usr.bin/$_subdir/arch/$MACHINE_ARCH/$f.h
    382 /configuration_arguments/ s/$//
    383 ya
    384 i
    385 #ifdef _SOFT_FLOAT
    386 .
    387 pu
    388 s/";$/ -with-float=soft";/
    389 a
    390 #else
    391 #endif
    392 .
    393 . m +1
    394 /configure_default_options/ s/{ NULL.*$//
    395 a
    396 #ifdef _SOFT_FLOAT
    397   { "float", "soft" },
    398 #endif
    399   { NULL, NULL }
    400 };
    401 .
    402 wq
    403 __EOF__
    404 		fi
    405 		if [ "${f}" = "configargs" ]
    406 		then
    407 			_srcquoted=$(echo "$_SRC" | sed 's/\//\\\//g')
    408 			sed -i -E -e "s,$_srcquoted,/usr/src,g" \
    409 				  -e 's/--build=[^ ]+ --host=([^ ]+)/--build=\1 --host=\1/' \
    410 				$_OUTDIR/usr.bin/$_subdir/arch/$MACHINE_ARCH/$f.h
    411 		fi
    412 	done
    413 
    414 	# keep identical
    415 	for f in all-tree.def; do
    416 		cp $_TMPDIR/gcc/$f $_OUTDIR/usr.bin/$_subdir/arch/$MACHINE_ARCH/$f
    417 	done
    418 
    419 	# special transforms
    420 	for f in gtyp-input.list; do
    421 		sed -e "s@^.*$_OUTDIRBASE/dist@SRCDIR@" < $_TMPDIR/gcc/$f > $_OUTDIR/usr.bin/$_subdir/arch/$MACHINE_ARCH/$f
    422 	done
    423 
    424 	# special platforms
    425 	if [ "${MACHINE_ARCH}" = "sh3el" -o "${MACHINE_ARCH}" = "sh3eb" ]; then
    426 		write_c $_OUTDIRBASE/usr.bin/$_subdir/arch/$MACHINE_ARCH/sysroot-suffix.h <$_TMPDIR/gcc/sysroot-suffix.h
    427 	fi
    428 
    429 	if [ "${MACHINE_ARCH}" = "i386" -o "${MACHINE_ARCH}" = "x86_64" ]; then
    430 		write_c $_OUTDIRBASE/usr.bin/$_subdir/arch/$MACHINE_ARCH/i386-builtin-types.inc <$_TMPDIR/gcc/i386-builtin-types.inc
    431 	fi
    432 
    433 	case "${MACHINE_ARCH}" in
    434 	(*arm*)
    435 		d=$_OUTDIRBASE/usr.bin/$_subdir/arch/${MACHINE_ARCH}
    436 		for f in arm-cpu.h arm-cpu-cdata.h arm-cpu-data.h arm-isa.h; do
    437 			write_c $d/$f <$_TMPDIR/gcc/$f
    438 		done
    439 		;;
    440 	esac
    441 }
    442 
    443 ##### main #####
    444 
    445 case "$1" in
    446 # .mk and .h files for libgcc bootstrap (from host build)
    447 
    448 libgcc*-bootstrap)
    449 	get_libgcc gcc
    450 	get_libgcov gcc $_PLATFORM/libgcc/Makefile
    451 	get_gcc_bootstrap gcc
    452 	exit 0
    453 	;;
    454 
    455 libstdc++-bootstrap)
    456 	get_libstdcxx_v3 libstdc++-v3 gcc
    457 	exit 0
    458 	;;
    459 
    460 gcc*)
    461 	get_gcc gcc
    462 	get_libgcc gcc
    463 	get_libgcov gcc $_PLATFORM/libgcc/Makefile
    464 	get_gcc_bootstrap gcc
    465 	get_gcc_libiberty gcc
    466 	get_libobjc libobjc
    467 	get_libstdcxx_v3 libstdc++-v3 gcc
    468 	get_libdecnumber libdecnumber
    469 	get_libgomp libgomp
    470 	get_libbacktrace libbacktrace
    471 	exit 0
    472 	;;
    473 
    474 
    475 *)
    476 	echo invalid arguments;
    477 	exit 1
    478 	;;
    479 esac
    480