xref: /netbsd-src/tools/gcc/mknative-gcc (revision 87bb55865b27fc6dc0e8cc7e1b08ec3a458cbae9)
1#!/bin/sh
2#	$NetBSD: mknative-gcc,v 1.42 2009/12/01 03:13:26 uebayasi Exp $
3#
4# Shell script for generating all the constants needed for a native
5# platform build of src/gnu/dist/gcc.
6#
7
8# initialise
9
10_TMPDIR=$2
11_TOP=$3
12_PLATFORM=$4
13_VPATH=`grep VPATH ${_TMPDIR}/Makefile | sed 's,^.*=[ 	]*,,'`
14_GNU_DIST=`cd ${_VPATH}; pwd`
15
16. $_TOP/tools/gcc/mknative.common
17
18##### gnu/lib/crtstuff #####
19
20get_crtstuff () {
21	_subdir="$1"
22	mkdir -p $_TOP/gnu/lib/$_subdir/arch
23
24	getvars gcc/Makefile \
25		INCLUDES CRTSTUFF_CFLAGS CRTSTUFF_T_CFLAGS \
26		tm_defines xm_file xm_defines \
27		| write_mk gnu/lib/$_subdir/arch/$MACHINE_ARCH.mk
28}
29
30##### gnu/lib/libg2c #####
31
32get_libg2c () {
33	mkdir -p $_TOP/gnu/lib/libg2c3/arch/$MACHINE_ARCH
34
35	write_c gnu/lib/libg2c3/arch/$MACHINE_ARCH/config.h <$_TMPDIR/$_PLATFORM/libf2c/libU77/config.h
36	write_c gnu/lib/libg2c3/arch/$MACHINE_ARCH/g2c.h <$_TMPDIR/$_PLATFORM/libf2c/g2c.h
37
38	{
39		getvars $_PLATFORM/libf2c/Makefile \
40			F2CEXT
41		getvars $_PLATFORM/libf2c/libF77/Makefile \
42			ALL_CFLAGS OBJS
43		getvars $_PLATFORM/libf2c/libI77/Makefile \
44			ALL_CFLAGS OBJS | sed 's,=,+=,'
45		getvars $_PLATFORM/libf2c/libU77/Makefile \
46			ALL_CFLAGS OBJS | sed 's,=,+=,'
47	} | write_mk gnu/lib/libg2c3/arch/$MACHINE_ARCH/defs.mk
48}
49
50##### gnu/lib/libgcc #####
51
52get_libgcc_list_funcs_asm () {
53	{
54		getvars gcc/Makefile LIB1ASMFUNCS | {
55			# print newline separated list
56			sed -e '
57				s,^.*=,,
58				s, *$,,
59				s,  *, ,g
60				s, ,\
61,g'
62		}
63		getvars gcc/Makefile LIB2FUNCS_EXTRA | {
64			# print newline separated list
65			sed -e '
66				s,^.*=,,
67				s, *$,,
68				s,  *, ,g
69				s, ,\
70,g' | \
71			sed -ne '
72				/\.S$/ { s,^.*/,,; s,\.S$,,; p; }
73				/\.asm$/ { s,^.*/,,; s,\.asm$,,; p; }
74			'
75		}
76	} | {
77		# print foo and foo_s
78		sed -ne '
79			/./ {
80				p
81				s,$,_s,
82				p
83			}
84		'
85	} | sort
86}
87
88get_libgcc_list_funcs_lib () {
89	local _lib=$1
90	local _lib_prefix=${_lib%.*}
91	local _lib_suffix=${_lib#*.}
92
93	sed -ne '
94		/^\.\/'${_lib_prefix}'\.'${_lib_suffix}': .*\.o$/ {
95			s,^.*/,,
96			s,\.o$,,
97			p
98		}
99	' build/gcc/libgcc.mk | sort
100}
101
102get_libgcc_list_objs_libs () {
103	cat build/gcc/libgcc.mk | \
104	egrep '^\.\/(libgcc_s\.so|libgcc\.a|libgcc_eh\.a|libgcov\.a): (libgcc_s|libgcc|libgcc_eh|libgcov)\/.*\.o$' | \
105	sed -e '
106		s,^\.\/,,
107		s,: .*/,	,
108		s,^\(.*\)	\(.*\)$,\2	\1,
109	' | sort
110}
111
112get_libgcc_list_objs_srcs () {
113	if [ -e $_TOP/${libgcc_db_funcs}.S ]; then
114		cut -f1 $_TOP/${libgcc_db_objs_libs} | sed -e 's,\.o$,,' | \
115		comm -23 /dev/stdin $_TOP/${libgcc_db_funcs}.S | \
116		sed -e 's,\(.*\),\1.o	\1.c,'
117
118		cut -f1 $_TOP/${libgcc_db_objs_libs} | sed -e 's,\.o$,,' | \
119		comm -12 /dev/stdin $_TOP/${libgcc_db_funcs}.S | \
120		sed -e 's,\(.*\),\1.o	\1.S,'
121	else
122		cut -f1 $_TOP/${libgcc_db_objs_libs} | sed -e 's,\.o$,,' | \
123		sed -e 's,\(.*\),\1.o	\1.c,'
124	fi | sort
125}
126
127get_libgcc_list_objs_tmplsrcs () {
128	grep 'GCC_FOR_TARGET.*\.o$' build/gcc/libgcc.mk | \
129	sed -ne '
130		s,^.* -c \([^ ]*\).* -o .*/\([^ ]*\.o\)$,\2	\1,
131		# basename
132		/\$/ { s,\$.*/,,; }
133		/\// { s,\/.*/,,; }
134		p
135	' | sort
136}
137
138get_libgcc_list_objs_xflags () {
139	local _flags=$1
140
141	grep 'GCC_FOR_TARGET.*\.o$' build/gcc/libgcc.mk | \
142	sed -n '
143		x
144	:loop
145		g
146		s/^\(.*\) \(-['${_flags}'][^ ][^ ]*\) \(.*\) \(-o .*\)\/\(.*\.o\)$/\5	\2/p
147		g
148		s/^\(.*\) \(-['${_flags}'][^ ][^ ]*\) \(.*\) \(-o .*\)\/\(.*\.o\)$/\1 \3 \4\/\5/
149		h
150		t loop
151	' | sort
152}
153
154get_libgcc_list_objs_cppflags () {
155	get_libgcc_list_objs_xflags D
156}
157
158get_libgcc_list_objs_copts () {
159	get_libgcc_list_objs_xflags fmx
160}
161
162get_libgcc_list_tmplsrcs () {
163	local _lib=$1
164	local _tmplallsrcs=$( mktemp /tmp/mknative-gcc._tmplallsrcs.XXXXXX )
165
166	touch $_TOP/${libgcc_db_tmplsrcs}.tmplsrcs.${_lib%.*}
167	touch $_TOP/${libgcc_db_tmplsrcs}.tmplfpsrcs.${_lib%.*}
168	touch $_TOP/${libgcc_db_tmplsrcs}.tmplasmsrcs.${_lib%.*}
169
170	# all files
171	local _lib_prefix=${_lib%.*}
172	local _lib_suffix=${_lib#*.}
173	join $_TOP/$libgcc_db_objs_libs $_TOP/$libgcc_db_objs_tmplsrcs | \
174	grep ${_lib_prefix}'\.'${_lib_suffix} | cut -d' ' -f 3 | sort -u > \
175	$_tmplallsrcs
176
177	# TMPLFPSRCS = [fdp]p-bit.c
178	grep '[fdt]p-bit\.c' <$_tmplallsrcs | sort -u | \
179	writefile ${libgcc_db_tmplsrcs}.tmplfpsrcs.${_lib%.*}
180
181	# TMPLASMSRCS = $(LIB1ASMSRC)
182	grep '\$(LIB1ASMSRC)' <$_tmplallsrcs | sort -u | \
183	writefile ${libgcc_db_tmplsrcs}.tmplasmsrcs.${_lib%.*}
184
185	# TMPLSRCS is anything else; exclude TMPLFPSRCS and TMPLASMSRCS
186	cat $_tmplallsrcs | \
187	comm -23 /dev/stdin $_TOP/${libgcc_db_tmplsrcs}.tmplfpsrcs.${_lib%.*} | \
188	comm -23 /dev/stdin $_TOP/${libgcc_db_tmplsrcs}.tmplasmsrcs.${_lib%.*} | \
189	writefile ${libgcc_db_tmplsrcs}.tmplsrcs.${_lib%.*}
190
191	rm -f $_tmplallsrcs
192}
193
194get_libgcc_new_analyze () {
195	mkdir -p $_TOP/${_machine_arch_subdir}
196
197	touch $_TOP/${libgcc_db_funcs}.S
198	get_libgcc_list_funcs_asm | \
199	writefile ${libgcc_db_funcs}.S
200
201	for _lib in libgcc_s.so libgcc.a libgcc_eh.a libgcov.a; do
202		touch $_TOP/${libgcc_db_funcs}.${_lib%.*}
203		get_libgcc_list_funcs_lib $_lib | \
204		writefile ${libgcc_db_funcs}.${_lib%.*}
205	done
206
207	get_libgcc_list_objs_libs | writefile ${libgcc_db_objs_libs}
208	get_libgcc_list_objs_srcs | writefile ${libgcc_db_objs_srcs}
209	get_libgcc_list_objs_tmplsrcs | writefile ${libgcc_db_objs_tmplsrcs}
210	get_libgcc_list_objs_cppflags | writefile ${libgcc_db_objs_cppflags}
211	get_libgcc_list_objs_copts | writefile ${libgcc_db_objs_copts}
212
213	for _lib in libgcc_s.so libgcc.a libgcc_eh.a libgcov.a; do
214		get_libgcc_list_tmplsrcs $_lib
215	done
216}
217
218#####
219
220get_libgcc_gen_tmplsrcs_tmplsrcs () {
221	local _lib=$1
222
223	printf '\n'
224	printf 'TMPLSRCS.%s = \\\n' $_lib
225	sed -e 's,^,	,; s,$, \\,' $_TOP/${libgcc_db_tmplsrcs}.tmplsrcs.${_lib%.*}
226}
227
228get_libgcc_gen_tmplsrcs_tmplfpsrcs () {
229	local _lib=$1
230
231	printf '\n'
232	printf 'TMPLFPSRCS.%s = \\\n' $_lib
233	sed -e 's,^,	,; s,$, \\,' $_TOP/${libgcc_db_tmplsrcs}.tmplfpsrcs.${_lib%.*}
234}
235
236get_libgcc_gen_tmplsrcs_tmplasmsrcs () {
237	local _lib=$1
238
239	printf '\n'
240	printf 'TMPLASMSRCS.%s = \\\n' $_lib
241	sed -e 's,^,	,; s,$, \\,' $_TOP/${libgcc_db_tmplsrcs}.tmplasmsrcs.${_lib%.*} | \
242	sed -e 's,LIB1ASMSRC,G_&,'
243}
244
245get_libgcc_gen_srcs () {
246	local _lib=$1
247
248	printf '\n'
249	printf 'SRCS.%s = \\\n' $_lib
250	if [ -e $_TOP/${libgcc_db_funcs}.S ]; then
251		comm -23 $_TOP/${libgcc_db_funcs}.${_lib%.*} $_TOP/${libgcc_db_funcs}.S | \
252		sed -e 's,$,.c,; s,^,tmp_,'
253		comm -12 $_TOP/${libgcc_db_funcs}.${_lib%.*} $_TOP/${libgcc_db_funcs}.S | \
254		sed -e 's,$,.S,; s,^,tmp_,'
255	else
256		cat $_TOP/${libgcc_db_funcs}.${_lib%.*} | \
257		sed -e 's,$,.c,; s,^,tmp_,'
258	fi | sort | \
259	sed -e 's,^,	,; s,$, \\,'
260}
261
262_lookup_objs () {
263	local _obj=$1; local _key=$2
264
265	eval grep \^$_obj\\\	 \$_TOP/\${libgcc_db_objs_${_key}} | cut -f2
266}
267
268get_libgcc_gen_srcs_tmplsrcs () {
269	cut -f1 $_TOP/${libgcc_db_objs_libs} | \
270	while read _obj; do
271		printf 'SRCS.tmp_%s=%s\n' \
272			"$( _lookup_objs $_obj srcs )" \
273			"$( _lookup_objs $_obj tmplsrcs )"
274	done | \
275	sed -e 's,\$(\(.*\)),${G_\1},'
276}
277
278get_libgcc_gen_srcs_cppflags () {
279	cut -f1 $_TOP/${libgcc_db_objs_libs} | \
280	while read _obj; do
281		printf '_CPPFLAGS.tmp_%s=%s\n' \
282			"$( _lookup_objs $_obj srcs )" \
283			"$( _lookup_objs $_obj cppflags | xargs )"
284	done
285}
286
287get_libgcc_gen_srcs_copts () {
288	cut -f1 $_TOP/${libgcc_db_objs_libs} | \
289	while read _obj; do
290		printf 'COPTS.tmp_%s=%s\n' \
291			"$( _lookup_objs $_obj srcs )" \
292			"$( _lookup_objs $_obj copts | xargs )"
293	done
294}
295
296get_libgcc_new_generate () {
297	for _lib in libgcc_s.so libgcc.a libgcc_eh.a libgcov.a; do
298		for _tmpl in tmplsrcs tmplfpsrcs tmplasmsrcs; do
299			eval get_libgcc_gen_tmplsrcs_${_tmpl} $_lib | \
300			write_mk ${libgcc_libs_mk}.${_lib%.*}.tmplsrcs.${_tmpl}.mk
301		done
302
303		get_libgcc_gen_srcs $_lib | \
304		write_mk ${libgcc_libs_mk}.${_lib%.*}.srcs.mk
305	done
306
307	for _arg in tmplsrcs cppflags copts; do
308		eval get_libgcc_gen_srcs_${_arg} | \
309		eval writefile \$libgcc_srcs_mk_${_arg}
310	done
311}
312
313#####
314
315get_libgcc_new () {
316	_subdir="$1"
317
318	# List of generated files.
319
320	_machine_arch_subdir=gnu/lib/lib$_subdir/arch${_archsubdir}/$MACHINE_ARCH
321
322	libgcc_db_funcs=${_machine_arch_subdir}/funcs
323	libgcc_db_tmplsrcs=${_machine_arch_subdir}/tmplsrcs
324	libgcc_db_objs_libs=${_machine_arch_subdir}/objs.libs
325	libgcc_db_objs_srcs=${_machine_arch_subdir}/objs.srcs
326	libgcc_db_objs_tmplsrcs=${_machine_arch_subdir}/objs.tmplsrcs
327	libgcc_db_objs_cppflags=${_machine_arch_subdir}/objs.cppflags
328	libgcc_db_objs_copts=${_machine_arch_subdir}/objs.copts
329
330	get_libgcc_new_analyze
331
332	libgcc_libs_mk=${_machine_arch_subdir}/libs
333	libgcc_srcs_mk=${_machine_arch_subdir}/srcs.mk
334	libgcc_srcs_mk_tmplsrcs=${_machine_arch_subdir}/srcs.tmplsrcs.mk
335	libgcc_srcs_mk_cppflags=${_machine_arch_subdir}/srcs.cppflags.mk
336	libgcc_srcs_mk_copts=${_machine_arch_subdir}/srcs.copts.mk
337
338	get_libgcc_new_generate
339}
340
341get_libgcc () {
342	_subdir="$1"
343	mkdir -p $_TOP/gnu/lib/lib$_subdir/arch
344
345	case "$_subdir" in
346	gcc3)
347		_extravars="USE_COLLECT2 LIB2FUNCS_1 LIB2FUNCS_2 xm_file"
348		_archsubdir=""
349		;;
350	gcc4)
351		_extravars="COLLECT2 UNWIND_H xm_include_list"
352		_archsubdir=""
353		;;
354	esac
355
356	# DPBIT, FPBIT only used on mn10[23]00, we don't need them.
357	# XXX we should probably grab everything Just In Case for
358	# the future.
359	{
360		getvars gcc/Makefile \
361			INCLUDES LIB2ADD LIB2ADDEH \
362			LIB1ASMFUNCS LIB1ASMSRC \
363			LIB2_DIVMOD_FUNCS LIB2FUNCS_ST \
364			LIB2FUNCS_EXTRA \
365			LIBGCC2_CFLAGS \
366			SHLIB_MKMAP SHLIB_MKMAP_OPTS \
367			SHLIB_MAPFILES SHLIB_NM_FLAGS \
368			EXTRA_HEADERS xm_defines \
369			tm_defines ${_extravars}
370	} | write_mk gnu/lib/lib$_subdir/arch${_archsubdir}/$MACHINE_ARCH.mk
371
372	# Generate new style files.
373	if [ -n "${MKNATIVE_LIBGCC_NEW}" ]; then
374		get_libgcc_new $_subdir
375	fi
376}
377
378##### gnu/lib/libgcov #####
379
380get_libgcov () {
381	_subdir="$1"
382
383	mkdir -p $_TOP/gnu/lib/lib$_subdir/libgcov/arch/$MACHINE_ARCH
384
385	{
386		getvars gcc/Makefile \
387			LIBGCOV
388	} | write_mk gnu/lib/lib$_subdir/libgcov/arch/$MACHINE_ARCH/defs.mk
389
390	write_c gnu/lib/lib$_subdir/libgcov/arch/$MACHINE_ARCH/gcov-iov.h \
391	   <$_TMPDIR/gcc/gcov-iov.h
392
393}
394
395##### gnu/usr.bin/gcc[34]/libiberty #####
396
397get_gcc_libiberty () {
398	_subdir="$1"
399	mkdir -p $_TOP/gnu/usr.bin/$_subdir/libiberty/arch/$MACHINE_ARCH
400
401	getvars libiberty/Makefile \
402		ALLOCA EXTRA_OFILES LIBOBJS REQUIRED_OFILES \
403		| write_mk gnu/usr.bin/$_subdir/libiberty/defs.mk
404
405	write_c gnu/usr.bin/$_subdir/libiberty/arch/$MACHINE_ARCH/config.h \
406		<$_TMPDIR/libiberty/config.h
407}
408
409##### gnu/lib/libobjc #####
410
411get_libobjc () {
412	case "$1" in
413	*4)
414		_subdir="$1/arch/$MACHINE_ARCH"
415		_options="ALL_OPT_FILES"
416		_unwind="UNWIND_H"
417		;;
418	*)
419		_subdir="$1"
420		_options=""
421		_unwind=""
422		;;
423	esac
424
425	mkdir -p $_TOP/gnu/lib/$_subdir
426
427	{
428		if [ -n "$_options" ]; then
429			getvars gcc/Makefile $_options
430		fi
431		getvars $_PLATFORM/libobjc/Makefile \
432			ALL_CFLAGS INCLUDES OBJS OBJC_H \
433			| sed "s,$_GNU_DIST,\${GNUHOSTDIST},g"
434		if [ -n "$_unwind" ]; then
435			getvars gcc/Makefile $_unwind
436		fi
437	} | write_mk gnu/lib/$_subdir/defs.mk
438
439	write_c gnu/lib/$_subdir/config.h \
440		<$_TMPDIR/$_PLATFORM/libobjc/config.h
441}
442
443##### gnu/lib/libstdc++-v3 #####
444
445get_libstdcxx_v3 () {
446	_subdir="$1"
447	mkdir -p $_TOP/gnu/lib/$_subdir/arch/$MACHINE_ARCH
448
449	case ${_subdir} in
450	*4)
451		_src_CC_files="atomicity_file CCODECVT_CC CCOLLATE_CC CCTYPE_CC CMESSAGES_CC CMONEY_CC CNUMERIC_CC CTIME_CC CLOCALE_CC BASIC_FILE_CC"
452		_headers1="host_headers debug_headers tr1_headers c_compatibility_headers_extra"
453		_headers2="thread_host_headers host_headers_extra"
454		_build_headers="c++allocator.h c++config.h cxxabi_tweaks.h gthr-default.h gthr-posix.h gthr-single.h gthr-tpf.h gthr.h"
455		_unwind="UNWIND_H"
456		;;
457	*)
458		_src_CC_files=""
459		_headers1="target_headers"
460		_headers2="thread_target_headers target_headers_extra"
461		_build_headers="c++config.h gthr-default.h gthr-posix.h gthr-single.h gthr.h"
462		_unwind=""
463		;;
464	esac
465
466	# build files
467	for h in $_build_headers; do
468		write_c gnu/lib/$_subdir/arch/$MACHINE_ARCH/$h \
469			<$_TMPDIR/$_PLATFORM/libstdc++-v3/include/$_PLATFORM/bits/$h
470	done
471
472	write_c gnu/lib/$_subdir/arch/$MACHINE_ARCH/config.h \
473		<$_TMPDIR/$_PLATFORM/libstdc++-v3/config.h
474
475	{
476		# libmath
477		getvars $_PLATFORM/libstdc++-v3/libmath/Makefile \
478			libmath_la_SOURCES libmath_la_LIBADD
479
480		# libsupc++
481		getvars $_PLATFORM/libstdc++-v3/libsupc++/Makefile \
482			sources | sed 's/^G_sources=/G_LIBSUPCXX_SOURCES=/'
483		getvars $_PLATFORM/libstdc++-v3/libsupc++/Makefile \
484			c_sources | sed 's/^G_c_sources=/G_LIBSUPCXX_C_SOURCES=/'
485
486		# src
487		getvars $_PLATFORM/libstdc++-v3/src/Makefile \
488			sources $_src_CC_files SECTION_FLAGS | sed 's/^G_sources=/G_SRC_SOURCES=/'
489
490		# include
491		getvars $_PLATFORM/libstdc++-v3/include/Makefile \
492			c_base_headers_rename std_headers_rename
493		getvars $_PLATFORM/libstdc++-v3/include/Makefile \
494			bits_headers backward_headers ext_headers c_base_headers_extra \
495			$_headers1 | sed -e 's#/[^ 	][^ 	]*/##g' -e 's/\${GNUHOSTDIST}//g'
496		getvars $_PLATFORM/libstdc++-v3/include/Makefile \
497			$_headers2 | sed -e 's#\./[^ 	][^ 	]*/##g' -e 's/\${GNUHOSTDIST}//g'
498
499		if [ -n "$_unwind" ]; then
500			getvars gcc/Makefile $_unwind
501		fi
502	} | write_mk gnu/lib/$_subdir/arch/$MACHINE_ARCH/defs.mk
503}
504
505##### gnu/usr.bin/gcc3 #####
506
507get_gcc () {
508	_subdir="$1"
509	mkdir -p $_TOP/gnu/usr.bin/$_subdir/arch/$MACHINE_ARCH
510	case ${_subdir} in
511	gcc4)
512		mkdir -p $_TOP/gnu/usr.bin/$_subdir/libcpp/arch/$MACHINE_ARCH
513		_buildname="BUILD_"
514		_libcppsubdir=""
515		_extravars="TM_H ALL_OPT_FILES"
516		_hconfig_h=""
517		_extravars2="tm_file_list build_xm_include_list"
518		_extravars3="tm_p_include_list"
519
520		;;
521	*)
522		_buildname="HOST_"
523		_libcppsubdir="gcc/"
524		_extravars=""
525		_hconfig_h="HCONFIG_H"
526		_extravars2=""
527		_extravars3=""
528		;;
529	esac
530
531	{
532		getvars gcc/Makefile \
533			${_buildname}EARLY_SUPPORT ${_buildname}ERRORS ${_buildname}PRINT \
534			${_buildname}RTL ${_buildname}SUPPORT ${_buildname}VARRAY | \
535		    sed -e 's#build/errors.o#build-errors.o#g' \
536			-e 's#build/print-rtl.o#build-print-rtl.o#g' \
537			-e 's#build/rtl.o#build-rtl.o#g' \
538			-e 's#build/varray.o#build-varray.o#g' \
539			-e 's#build/ggc-none.o#build-ggc-none.o#g' \
540			-e 's#build/##g'
541		getvars gcc/Makefile \
542			ALL_CFLAGS ALL_CPPFLAGS C_AND_OBJC_OBJS C_OBJS CCCP_OBJS \
543			GCOV_OBJS PROTO_OBJS ${_extravars1} \
544			INCLUDES md_file OBJC_OBJS OBJS out_file version \
545			BUILD_PREFIX RTL_H TREE_H ${_hconfig_h} BASIC_BLOCK_H GCC_H \
546			GTFILES_SRCDIR GTFILES_FILES_FILES GTFILES_FILES_LANGS \
547			GTFILES GTFILES_LANG_DIR_NAMES \
548			tm_defines host_xm_file host_xm_defines tm_p_file \
549			target_cpu_default ${_extravars} ${_extravars2} \
550			lang_specs_files ${_extravars3}
551		getvars gcc/Makefile \
552			LIB2ADDEHDEP | sed 's/unwind.inc//'
553		getvars gcc/Makefile \
554			CXX_OBJS CXX_C_OBJS | sed 's/cp\///g'
555		getvars gcc/Makefile \
556			F77_OBJS | sed 's/f\///g'
557		case ${_subdir} in
558		gcc4)
559			getvars libcpp/Makefile \
560				libcpp_a_OBJS
561			;;
562		gcc3)
563			getvars gcc/Makefile \
564				LIBCPP_OBJS LIBCPP_H
565			;;
566		esac
567		getvars gcc/Makefile \
568			ENABLE_SHARED
569		case ${_subdir} in
570		gcc4)
571			echo G_SHLIB_LINK="$CC -shared"
572			echo G_SHLIB_MULTILIB=.
573			;;
574		gcc3)
575			getvars gcc/Makefile \
576				SHLIB_LINK SHLIB_MULTILIB
577			;;
578		esac
579	} | write_mk gnu/usr.bin/$_subdir/arch/$MACHINE_ARCH/defs.mk
580
581	case "$_subdir" in
582	gcc3)
583		hfiles='auto-host configargs cs-hconfig gencheck hconfig gthr-default'
584		;;
585	gcc4)
586		write_c gnu/usr.bin/$_subdir/libcpp/arch/$MACHINE_ARCH/config.h <$_TMPDIR/libcpp/config.h
587		hfiles='auto-host configargs gencheck gthr-default tm bconfig config multilib'
588		;;
589	esac
590	for f in $hfiles; do
591		write_c gnu/usr.bin/$_subdir/arch/$MACHINE_ARCH/$f.h <$_TMPDIR/gcc/$f.h
592	done
593}
594
595##### main #####
596
597case "$1" in
598# .mk and .h files for libgcc bootstrap (from host build)
599libgcc)
600	get_libgcc gcc3
601	get_crtstuff crtstuff3
602	exit 0
603	;;
604
605libgcc4)
606	get_libgcc gcc4
607	get_crtstuff crtstuff4
608	exit 0
609	;;
610
611# gcc files
612gcc4)
613	get_gcc gcc4
614	get_libgcc gcc4
615	get_libgcov gcc4
616	get_crtstuff crtstuff4
617	get_gcc_libiberty gcc4
618	get_libobjc libobjc4
619	get_libstdcxx_v3 libstdc++-v3_4
620	exit 0
621	;;
622
623gcc3)
624	get_gcc gcc3
625	get_libg2c
626	get_libgcc gcc3
627	get_crtstuff crtstuff3
628	get_gcc_libiberty gcc3
629	get_libobjc libobjc3
630	get_libstdcxx_v3 libstdc++-v3
631	exit 0
632	;;
633
634*)	echo invalid arguments; exit 1;;
635esac
636