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mknative-gcc.old revision 1.9 
      1 #!/bin/sh
      2 #	$NetBSD: mknative-gcc.old,v 1.9 2020/09/06 02:24:38 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 7.5
      8 
      9 # initialise
     10 
     11 _TMPDIR=$2
     12 _TOP=$3
     13 _SRC=$4
     14 _PLATFORM=$5
     15 _MACHINE_ARCH=$6
     16 _DESTDIR=$7
     17 _TOOLDIR=$8
     18 _VPATH=`grep VPATH ${_TMPDIR}/Makefile | sed 's,^.*=[ 	]*,,'`
     19 _GNU_DIST=`cd ${_VPATH}; pwd`
     20 
     21 if [ -z "$_DESTDIR" ]; then
     22 	echo "\$_DESTDIR is empty" 2>&1
     23 	exit 1
     24 fi
     25 
     26 . $_TOP/tools/gcc/mknative.common
     27 
     28 case $0 in
     29 	*mknative-gcc.old)
     30 		_OUTDIRBASE="external/gpl3/gcc.old"
     31 		;;
     32 	*)
     33 		_OUTDIRBASE="external/gpl3/gcc"
     34 		;;
     35 esac
     36 _OUTDIR="$_TOP/$_OUTDIRBASE"
     37 
     38 sanitise_includes () {
     39 	sed \
     40 		-e "s,-I$_DESTDIR/usr/include,,g" \
     41 		-e "s,-I$_SRC/external/lgpl3/mpfr/dist/src,,g" \
     42 		-e "s,-I$_SRC/external/lgpl3/mpc/dist/src,,g" \
     43 		-e "s,-I$_SRC/external/lgpl3/gmp/lib/libgmp/arch/[a-z_0-9-]*,,g" \
     44 		-e "s,-I$_TOOLDIR/include,,g" \
     45 		-e "s,-I/usr/include/[^ 	]*,,"
     46 }
     47 
     48 ##### lib/libg2c #####
     49 
     50 get_libg2c () {
     51 	mkdir -p $_OUTDIR/lib/libg2c3/arch/$_MACHINE_ARCH
     52 
     53 	write_c $_OUTDIRBASE/lib/libg2c3/arch/$_MACHINE_ARCH/config.h <$_TMPDIR/$_PLATFORM/libf2c/libU77/config.h
     54 	write_c $_OUTDIRBASE/lib/libg2c3/arch/$_MACHINE_ARCH/g2c.h <$_TMPDIR/$_PLATFORM/libf2c/g2c.h
     55 
     56 	{
     57 		getvars $_PLATFORM/libf2c/Makefile \
     58 			F2CEXT
     59 		getvars $_PLATFORM/libf2c/libF77/Makefile \
     60 			ALL_CFLAGS OBJS
     61 		getvars $_PLATFORM/libf2c/libI77/Makefile \
     62 			ALL_CFLAGS OBJS | sed 's,=,+=,'
     63 		getvars $_PLATFORM/libf2c/libU77/Makefile \
     64 			ALL_CFLAGS OBJS | sed 's,=,+=,'
     65 	} | write_mk $_OUTDIRBASE/lib/libg2c3/arch/$_MACHINE_ARCH/defs.mk
     66 }
     67 
     68 ##### lib/libgcc #####
     69 
     70 get_libgcc () {
     71 	_subdir="$1"
     72 	mkdir -p $_OUTDIR/lib/lib$_subdir/arch
     73 
     74 	# DPBIT, FPBIT only used on mn10[23]00, we don't need them.
     75 	# XXX we should probably grab everything Just In Case for
     76 	# the future.
     77 
     78 	mkdir -p $_OUTDIR/lib/lib$_subdir/arch/$_MACHINE_ARCH
     79 	cd $_TMPDIR/$_PLATFORM/libgcc
     80 	{
     81 		getvars $_PLATFORM/libgcc/Makefile \
     82 			INCLUDES \
     83 			INTERNAL_CFLAGS \
     84 			LIB2ADD LIB2ADDEH LIB2ADD_ST \
     85 			LIB1ASMFUNCS LIB1ASMSRC \
     86 			LIB2_DIVMOD_FUNCS LIB2FUNCS_ST \
     87 			LIB2FUNCS_EXTRA \
     88 			LIBGCC2_CFLAGS \
     89 			SHLIB_MKMAP SHLIB_MKMAP_OPTS \
     90 			SHLIB_MAPFILES SHLIB_NM_FLAGS
     91 		getvars gcc/Makefile \
     92 			NOEXCEPTION_FLAGS EXTRA_HEADERS
     93 	}	| sanitise_includes \
     94 		| write_mk $_OUTDIRBASE/lib/lib$_subdir/arch/$_MACHINE_ARCH/defs.mk
     95 
     96 	cd $_TMPDIR/$_PLATFORM/libgcc
     97 	{
     98 		getvars $_PLATFORM/libgcc/Makefile \
     99 			enable_execute_stack \
    100 			unwind_header md_unwind_header \
    101 			sfp_machine_header thread_header
    102 	}	| sanitise_includes \
    103 		| write_mk $_OUTDIRBASE/lib/lib$_subdir/arch/$_MACHINE_ARCH/gthr-defs.mk
    104 
    105 	if [ "${_MACHINE_ARCH}" = "m68000" ]
    106 	then
    107 		ex <<__EOF__ $_OUTDIR/lib/lib$_subdir/arch/$_MACHINE_ARCH/defs.mk
    108 /G_LIBGCC2_CFLAGS/ s/-fPIC//
    109 wq
    110 __EOF__
    111 	fi
    112 
    113 	for f in auto-target.h; do
    114 		write_c $_OUTDIRBASE/lib/lib$_subdir/arch/$_MACHINE_ARCH/$f \
    115 		    <$_TMPDIR/$_PLATFORM/libgcc/$f
    116 	done
    117 }
    118 
    119 ##### lib/libgcov #####
    120 
    121 get_libgcov () {
    122 	_subdir="$1"
    123 	_mf="$2"
    124 
    125 	mkdir -p $_OUTDIR/lib/lib$_subdir/libgcov/arch/$_MACHINE_ARCH
    126 
    127 	{
    128 		getvars $_mf \
    129 			LIBGCOV_MERGE \
    130 			LIBGCOV_PROFILER \
    131 			LIBGCOV_INTERFACE \
    132 			LIBGCOV_DRIVER
    133 	} | write_mk $_OUTDIRBASE/lib/lib$_subdir/libgcov/arch/$_MACHINE_ARCH/defs.mk
    134 
    135 	write_c $_OUTDIRBASE/lib/lib$_subdir/libgcov/arch/$_MACHINE_ARCH/gcov-iov.h \
    136 	   <$_TMPDIR/gcc/gcov-iov.h
    137 
    138 }
    139 
    140 ##### lib/libiberty #####
    141 
    142 get_gcc_libiberty () {
    143 	_subdir="$1"
    144 	_libibertydir="lib/libiberty"
    145 	mkdir -p $_OUTDIR/$_libibertydir/arch/$_MACHINE_ARCH
    146 
    147 	getvars libiberty/Makefile \
    148 		ALLOCA EXTRA_OFILES LIBOBJS REQUIRED_OFILES \
    149 		| write_mk $_OUTDIRBASE/$_libibertydir/defs.mk
    150 
    151 	write_c $_OUTDIRBASE/$_libibertydir/arch/$_MACHINE_ARCH/config.h \
    152 		<$_TMPDIR/libiberty/config.h
    153 }
    154 
    155 ##### lib/libdecnumber #####
    156 
    157 get_libdecnumber () {
    158 	_subdir="$1"
    159 
    160 	mkdir -p $_OUTDIR/usr.bin/$_subdir/arch/$_MACHINE_ARCH
    161 	write_c $_OUTDIRBASE/usr.bin/$_subdir/arch/$_MACHINE_ARCH/config.h \
    162 		<$_TMPDIR/libdecnumber/config.h
    163 }
    164 
    165 ##### lib/libgomp #####
    166 
    167 get_libgomp () {
    168 	_subdir="$1"
    169 
    170 	mkdir -p $_OUTDIR/lib/$_subdir/arch/$_MACHINE_ARCH
    171 
    172 	getvars $_PLATFORM/libgomp/Makefile \
    173 		libgomp_la_SOURCES \
    174 		| write_mk $_OUTDIRBASE/lib/$_subdir/defs.mk
    175 
    176 	write_c $_OUTDIRBASE/lib/$_subdir/arch/$_MACHINE_ARCH/config.h \
    177 		<$_TMPDIR/$_PLATFORM/libgomp/config.h
    178 	write_c $_OUTDIRBASE/lib/$_subdir/arch/$_MACHINE_ARCH/libgomp_f.h \
    179 		<$_TMPDIR/$_PLATFORM/libgomp/libgomp_f.h
    180 	write_mk $_OUTDIRBASE/lib/$_subdir/arch/$_MACHINE_ARCH/libgomp.spec \
    181 		<$_TMPDIR/$_PLATFORM/libgomp/libgomp.spec
    182 	write_c $_OUTDIRBASE/lib/$_subdir/arch/$_MACHINE_ARCH/omp.h \
    183 		<$_TMPDIR/$_PLATFORM/libgomp/omp.h
    184 }
    185 
    186 ##### lib/libbacktrace #####
    187 
    188 get_libbacktrace () {
    189 	_subdir="$1"
    190 
    191 	mkdir -p $_OUTDIR/lib/$_subdir/arch/$_MACHINE_ARCH
    192 	write_c $_OUTDIRBASE/lib/$_subdir/arch/$_MACHINE_ARCH/config.h \
    193 		<$_TMPDIR/$_PLATFORM/$_subdir/config.h
    194 	write_c $_OUTDIRBASE/lib/$_subdir/arch/$_MACHINE_ARCH/backtrace-supported.h \
    195 		<$_TMPDIR/$_PLATFORM/$_subdir/backtrace-supported.h
    196 }
    197 
    198 ##### lib/libobjc #####
    199 
    200 get_libobjc () {
    201 	_subdir="$1/arch/$_MACHINE_ARCH"
    202 	_options="ALL_OPT_FILES"
    203 
    204 	mkdir -p $_OUTDIR/lib/$_subdir
    205 
    206 	{
    207 		if [ -n "$_options" ]; then
    208 			getvars gcc/Makefile $_options
    209 		fi
    210 		getvars $_PLATFORM/libobjc/Makefile \
    211 			ALL_CFLAGS INCLUDES OBJC_SOURCE_FILES C_SOURCE_FILES OBJC_H \
    212 			| sed "s,$_GNU_DIST,\${GNUHOSTDIST},g"
    213 	} | sanitise_includes \
    214 	  | write_mk $_OUTDIRBASE/lib/$_subdir/defs.mk
    215 
    216 	write_c $_OUTDIRBASE/lib/$_subdir/config.h \
    217 		<$_TMPDIR/$_PLATFORM/libobjc/config.h
    218 }
    219 
    220 ##### lib/libstdc++-v3 #####
    221 
    222 get_libstdcxx_v3 () {
    223 	_subdir="$1"
    224 	_ver="$2"
    225 
    226 	mkdir -p $_OUTDIR/lib/$_subdir/arch/$_MACHINE_ARCH
    227 
    228 	_build_headers="c++config.h cxxabi_tweaks.h"
    229 	_headers1="c_base_headers_extra_install"
    230 	_headers1="$_headers1 tr1_headers tr2_headers decimal_headers c_compatibility_headers_install"
    231 	_headers1="$_headers1 debug_headers parallel_headers"
    232 	_headers2="host_headers thread_host_headers"
    233 	_pf_headers="profile_headers profile_impl_headers"
    234 	_pb_headers="pb_headers1 pb_headers2 pb_headers3 pb_headers4 pb_headers5 pb_headers6 pb_headers7"
    235 
    236 	# build files
    237 	for h in $_build_headers; do
    238 		write_c $_OUTDIRBASE/lib/$_subdir/arch/$_MACHINE_ARCH/$h \
    239 			<$_TMPDIR/$_PLATFORM/libstdc++-v3/include/$_PLATFORM/bits/$h
    240 	done
    241 
    242 	write_c $_OUTDIRBASE/lib/$_subdir/arch/$_MACHINE_ARCH/gstdint.h \
    243 		<$_TMPDIR/$_PLATFORM/libstdc++-v3/include/gstdint.h
    244 	write_c $_OUTDIRBASE/lib/$_subdir/arch/$_MACHINE_ARCH/symver-config.h \
    245 		<$_TMPDIR/$_PLATFORM/libstdc++-v3/config.h
    246 
    247 	{
    248 		getvars $_PLATFORM/libstdc++-v3/Makefile \
    249 			port_specific_symbol_files
    250 		getvars $_PLATFORM/libstdc++-v3/src/Makefile \
    251 			cxx11_sources \
    252 			cxx98_sources
    253 
    254 		# libsupc++
    255 		getvars $_PLATFORM/libstdc++-v3/libsupc++/Makefile \
    256 			sources | sed 's/^G_sources=/G_LIBSUPCXX_SOURCES=/'
    257 		getvars $_PLATFORM/libstdc++-v3/libsupc++/Makefile \
    258 			c_sources | sed 's/^G_c_sources=/G_LIBSUPCXX_C_SOURCES=/'
    259 
    260 		# includes
    261 		getvars $_PLATFORM/libstdc++-v3/include/Makefile \
    262 			c_base_headers std_headers | sed -e 's#/[^ 	][^ 	]*/##g' -e 's/\${GNUHOSTDIST}//g'
    263 
    264 		# src
    265 		getvars $_PLATFORM/libstdc++-v3/src/Makefile \
    266 			libstdc___la_SOURCES | sed 's/^G_libstdc___la_SOURCES=/G_SRC_SOURCES=/'
    267 		getvars $_PLATFORM/libstdc++-v3/src/c++11/Makefile \
    268 			libc__11convenience_la_SOURCES | \
    269 			sed -e 's/^G_libc__11convenience_la_SOURCES=/G_CPP11_SOURCES=/' \
    270 			    -e 's/codecvt.cc/c11-codecvt.cc/'
    271 		getvars $_PLATFORM/libstdc++-v3/src/c++98/Makefile \
    272 			GLIBCXX_ABI_FLAGS libc__98convenience_la_SOURCES | \
    273 			sed -e 's/^G_libc__98convenience_la_SOURCES=/G_CPP98_SOURCES=/' \
    274 			    -e 's/codecvt.cc/c98-codecvt.cc/'
    275 		getvars $_PLATFORM/libstdc++-v3/src/filesystem/Makefile \
    276 			libstdc__fs_la_SOURCES | \
    277 			sed -e 's/^G_libstdc__fs_la_SOURCES=/G_FILESYSTEM_SOURCES=/'
    278 		getvars $_PLATFORM/libstdc++-v3/Makefile ATOMICITY_SRCDIR \
    279 			BASIC_FILE_CC CLOCALE_CC CCODECVT_CC CCOLLATE_CC \
    280 			CCTYPE_CC  CMESSAGES_CC CMONEY_CC CNUMERIC_CC CTIME_CC \
    281 			CPU_OPT_BITS_RANDOM
    282 
    283 		# includes
    284 		getvars $_PLATFORM/libstdc++-v3/include/Makefile \
    285 			backward_headers c_base_headers_extra $_headers1 $_pb_headers | \
    286 				sed -e 's#\${GNUHOSTDIST}/libstdc++-v3/include/##g'
    287 		getvars $_PLATFORM/libstdc++-v3/include/Makefile \
    288 			bits_headers ext_headers $_headers2 | \
    289 				sed -e 's#\${GNUHOSTDIST}/libstdc++-v3/include/##g' -e 's#\${GNUHOSTDIST}/libstdc++-v3/config/##g'
    290 		getvars $_PLATFORM/libstdc++-v3/include/Makefile \
    291 			$_pf_headers | sed -e 's#\${GNUHOSTDIST}/libstdc++-v3/include/profile/##g'
    292 		getvars $_PLATFORM/libstdc++-v3/include/Makefile \
    293 			BASIC_FILE_H ALLOCATOR_H CSTDIO_H CLOCALE_H CMESSAGES_H CTIME_H
    294 	} | sanitise_includes \
    295 	  | write_mk $_OUTDIRBASE/lib/$_subdir/arch/$_MACHINE_ARCH/defs.mk
    296 }
    297 
    298 ##### usr.bin/gcc* #####
    299 
    300 get_gcc_bootstrap () {
    301 	_subdir="$1"
    302 	mkdir -p $_OUTDIR/usr.bin/$_subdir/arch/$_MACHINE_ARCH
    303 	for f in auto-host tm config; do
    304 		write_c $_OUTDIRBASE/usr.bin/$_subdir/arch/$_MACHINE_ARCH/$f.h <$_TMPDIR/gcc/$f.h
    305 	done
    306 	# XXXGCC5 don't really want to copy insn-modes as we build
    307 	# it but libgcc needs to too early yet
    308 	for f in insn-modes; do
    309 		write_c $_OUTDIRBASE/usr.bin/$_subdir/arch/$_MACHINE_ARCH/$f.h <$_TMPDIR/gcc/$f.h
    310 	done
    311 }
    312 
    313 get_gcc () {
    314 	_subdir="$1"
    315 	mkdir -p $_OUTDIR/usr.bin/$_subdir/arch/$_MACHINE_ARCH
    316 	mkdir -p $_OUTDIR/usr.bin/libcpp/arch/$_MACHINE_ARCH
    317 	mkdir -p $_OUTDIR/usr.bin/include/arch
    318 	mkdir -p $_OUTDIR/usr.bin/common-target/arch
    319 	_buildname="BUILD_"
    320 	_libcppsubdir=""
    321 	_extravars="TM_H ALL_OPT_FILES"
    322 	_hconfig_h=""
    323 	_extravars2="tm_file_list build_xm_include_list"
    324 	_extravars3="tm_p_include_list"
    325 
    326 	{
    327 		getvars gcc/Makefile \
    328 			${_buildname}EARLY_SUPPORT ${_buildname}ERRORS ${_buildname}PRINT \
    329 			${_buildname}RTL ${_buildname}SUPPORT ${_buildname}VARRAY \
    330 			${_buildname}MD | \
    331 		    sed -e 's#build/errors.o#build-errors.o#g' \
    332 			-e 's#build/print-rtl.o#build-print-rtl.o#g' \
    333 			-e 's#build/rtl.o#build-rtl.o#g' \
    334 			-e 's#build/varray.o#build-varray.o#g' \
    335 			-e 's#build/ggc-none.o#build-ggc-none.o#g' \
    336 			-e 's#build/##g'
    337 		getvars gcc/Makefile \
    338 			ALL_CFLAGS ALL_CPPFLAGS C_AND_OBJC_OBJS C_OBJS CCCP_OBJS \
    339 			GCC_OBJS GCOV_OBJS GCOV_DUMP_OBJS GXX_OBJS GTM_H PROTO_OBJS ${_extravars1} \
    340 			INCLUDES md_file OBJC_OBJS OBJS out_file version \
    341 			BUILD_PREFIX RTL_H RTL_BASE_H TREE_H ${_hconfig_h} BASIC_BLOCK_H GCC_H \
    342 			GGC_H \
    343 			GTFILES_SRCDIR GTFILES_FILES_FILES GTFILES_FILES_LANGS \
    344 			GTFILES GTFILES_LANG_DIR_NAMES NOEXCEPTION_FLAGS \
    345 			NATIVE_SYSTEM_HEADER_DIR \
    346 			tm_defines host_xm_file host_xm_defines tm_p_file \
    347 			target_cpu_default ${_extravars} ${_extravars2} \
    348 			lang_specs_files ${_extravars3} \
    349 			common_out_file \
    350 				| sanitise_includes
    351 		getvars gcc/Makefile \
    352 			LIB2ADDEHDEP | sed 's/unwind.inc//'
    353 		getvars gcc/Makefile \
    354 			CXX_OBJS CXX_C_OBJS | sed 's/cp\///g'
    355 		getvars gcc/Makefile \
    356 			F77_OBJS | sed 's/f\///g'
    357 		getvars libcpp/Makefile \
    358 			libcpp_a_OBJS
    359 		getvars gcc/Makefile \
    360 			ENABLE_SHARED
    361 		echo G_SHLIB_LINK="$CC -shared"
    362 		echo G_SHLIB_MULTILIB=.
    363 	} | write_mk $_OUTDIRBASE/usr.bin/$_subdir/arch/$_MACHINE_ARCH/defs.mk
    364 
    365 	getvars gcc/Makefile \
    366 		EXTRA_HEADERS \
    367 			| write_mk $_OUTDIRBASE/usr.bin/include/arch/$_MACHINE_ARCH.mk
    368 
    369 	getvars gcc/Makefile \
    370 		OBJS-libcommon \
    371 			| write_mk $_OUTDIRBASE/usr.bin/common/defs.mk
    372 	getvars gcc/Makefile \
    373 		OBJS-libcommon-target \
    374 			| write_mk $_OUTDIRBASE/usr.bin/common-target/arch/$_MACHINE_ARCH.mk
    375 
    376 	write_c $_OUTDIRBASE/usr.bin/libcpp/arch/$_MACHINE_ARCH/config.h <$_TMPDIR/libcpp/config.h
    377 	hfiles='auto-host configargs config bconfig bversion plugin-version multilib tm'
    378 	for f in $hfiles; do
    379 		write_c $_OUTDIRBASE/usr.bin/$_subdir/arch/$_MACHINE_ARCH/$f.h <$_TMPDIR/gcc/$f.h
    380 		if [ "${_MACHINE_ARCH}" = "powerpc" -a "${f}" = "configargs" ]
    381 		then
    382 			ex <<__EOF__ $_OUTDIR/usr.bin/$_subdir/arch/$_MACHINE_ARCH/$f.h
    383 /configuration_arguments/ s/$//
    384 ya
    385 i
    386 #ifdef _SOFT_FLOAT
    387 .
    388 pu
    389 s/";$/ -with-float=soft";/
    390 a
    391 #else
    392 #endif
    393 .
    394 . m +1
    395 /configure_default_options/ s/{ NULL.*$//
    396 a
    397 #ifdef _SOFT_FLOAT
    398   { "float", "soft" },
    399 #endif
    400   { NULL, NULL }
    401 };
    402 .
    403 wq
    404 __EOF__
    405 		fi
    406 		if [ "${f}" = "configargs" ]
    407 		then
    408 			_srcquoted=$(echo "$_SRC" | sed 's/\//\\\//g')
    409 			sed -i -E -e "s,$_srcquoted,/usr/src,g" \
    410 				  -e 's/--build=[^ ]+ --host=([^ ]+)/--build=\1 --host=\1/' \
    411 				$_OUTDIR/usr.bin/$_subdir/arch/$_MACHINE_ARCH/$f.h
    412 		fi
    413 	done
    414 
    415 	# keep identical
    416 	for f in all-tree.def; do
    417 		cp $_TMPDIR/gcc/$f $_OUTDIR/usr.bin/$_subdir/arch/$_MACHINE_ARCH/$f
    418 	done
    419 
    420 	# special transforms
    421 	for f in gtyp-input.list; do
    422 		sed -e "s@^.*$_OUTDIRBASE/dist@SRCDIR@" < $_TMPDIR/gcc/$f > $_OUTDIR/usr.bin/$_subdir/arch/$_MACHINE_ARCH/$f
    423 	done
    424 
    425 	# special platforms
    426 	if [ "${_MACHINE_ARCH}" = "sh3el" -o "${_MACHINE_ARCH}" = "sh3eb" ]; then
    427 		write_c $_OUTDIRBASE/usr.bin/$_subdir/arch/$_MACHINE_ARCH/sysroot-suffix.h <$_TMPDIR/gcc/sysroot-suffix.h
    428 	fi
    429 
    430 	if [ "${_MACHINE_ARCH}" = "i386" -o "${_MACHINE_ARCH}" = "x86_64" ]; then
    431 		write_c $_OUTDIRBASE/usr.bin/$_subdir/arch/$_MACHINE_ARCH/i386-builtin-types.inc <$_TMPDIR/gcc/i386-builtin-types.inc
    432 	fi
    433 }
    434 
    435 ##### main #####
    436 
    437 case "$1" in
    438 # .mk and .h files for libgcc bootstrap (from host build)
    439 
    440 libgcc*-bootstrap)
    441 	get_libgcc gcc
    442 	get_libgcov gcc $_PLATFORM/libgcc/Makefile
    443 	get_gcc_bootstrap gcc
    444 	exit 0
    445 	;;
    446 
    447 libstdc++-bootstrap)
    448 	get_libstdcxx_v3 libstdc++-v3 gcc
    449 	exit 0
    450 	;;
    451 
    452 gcc*)
    453 	get_gcc gcc
    454 	get_libgcc gcc
    455 	get_libgcov gcc $_PLATFORM/libgcc/Makefile
    456 	get_gcc_bootstrap gcc
    457 	get_gcc_libiberty gcc
    458 	get_libobjc libobjc
    459 	get_libstdcxx_v3 libstdc++-v3 gcc
    460 	get_libdecnumber libdecnumber
    461 	get_libgomp libgomp
    462 	get_libbacktrace libbacktrace
    463 	exit 0
    464 	;;
    465 
    466 
    467 *)
    468 	echo invalid arguments;
    469 	exit 1
    470 	;;
    471 esac
    472