summaryrefslogtreecommitdiff
path: root/toolchain/gcc/gcc-uclibc-3.x.mk
blob: 77753d3bcfbf8c7ec31a4e89d9bc682983cfd316 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
# Makefile for to build a gcc/uClibc toolchain
#
# Copyright (C) 2002-2003 Erik Andersen <andersen@uclibc.org>
# Copyright (C) 2004 Manuel Novoa III <mjn3@uclibc.org>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA

ifeq ($(BR2_TOOLCHAIN_BUILDROOT),y)

# without sysroot support. Sysroot toolchain is gcc-uclibc-4.x.mk
ifneq ($(BR2_TOOLCHAIN_SYSROOT),y)

ifeq ($(GCC_SNAP_DATE),)
GCC_OFFICIAL_VER:=$(GCC_VERSION)
GCC_SITE:=http://ftp.gnu.org/gnu/gcc/gcc-$(GCC_VERSION)
#GCC_SITE:=ftp://ftp.ibiblio.org/pub/mirrors/gnu/ftp/gnu/gcc/gcc-$(GCC_OFFICIAL_VER)
else
GCC_OFFICIAL_VER:=$(GCC_VERSION)-$(GCC_SNAP_DATE)
GCC_SITE:=ftp://sources.redhat.com/pub/gcc/snapshots/$(GCC_OFFICIAL_VER)
endif


# redefine if using an external prepatched gcc source
ifeq ($(BR2_TOOLCHAIN_NORMAL),)
GCC_SITE:=$(VENDOR_SITE)
GCC_OFFICIAL_VER:=$(GCC_VERSION)$(VENDOR_SUFFIX)$(VENDOR_GCC_RELEASE)
endif

GCC_SOURCE:=gcc-$(GCC_OFFICIAL_VER).tar.bz2
GCC_DIR:=$(TOOL_BUILD_DIR)/gcc-$(GCC_OFFICIAL_VER)

ifeq ($(BR2_TOOLCHAIN_NORMAL),y)
ifeq ($(GCC_SNAP_DATE),)
GCC_PATCH_DIR:=toolchain/gcc/$(GCC_VERSION)
else
ifneq ($(wildcard toolchain/gcc/$(GCC_OFFICIAL_VER)),)
GCC_PATCH_DIR:=toolchain/gcc/$(GCC_OFFICIAL_VER)
else
GCC_PATCH_DIR:=toolchain/gcc/$(GCC_VERSION)
endif
endif
else
GCC_PATCH_DIR:=$(VENDOR_PATCH_DIR)/gcc-$(GCC_OFFICIAL_VER)
endif


GCC_CAT:=$(BZCAT)
GCC_STRIP_HOST_BINARIES:=true


ifeq ($(findstring 3.,$(GCC_VERSION)),3.)
GCC_NO_MPFR:=y
else
ifneq ($(BR2_INSTALL_FORTRAN),y)
# fortran needs gmp and mpfr
ifeq ($(findstring 4.0.,$(GCC_VERSION)),4.0.)
GCC_NO_MPFR:=y
endif
ifeq ($(findstring 4.1.,$(GCC_VERSION)),4.1.)
GCC_NO_MPFR:=y
endif
endif
endif

#############################################################
#
# Setup some initial stuff
#
#############################################################


GCC_CROSS_LANGUAGES:=c
ifeq ($(BR2_GCC_CROSS_CXX),y)
GCC_CROSS_LANGUAGES:=$(GCC_CROSS_LANGUAGES),c++
endif
ifeq ($(BR2_GCC_CROSS_FORTRAN),y)
GCC_CROSS_LANGUAGES:=$(GCC_CROSS_LANGUAGES),fortran
endif
ifeq ($(BR2_GCC_CROSS_OBJC),y)
GCC_CROSS_LANGUAGES:=$(GCC_CROSS_LANGUAGES),objc
endif


GCC_TARGET_LANGUAGES:=c
ifeq ($(BR2_INSTALL_LIBSTDCPP),y)
GCC_TARGET_LANGUAGES:=$(GCC_TARGET_LANGUAGES),c++
endif
ifeq ($(BR2_INSTALL_LIBGCJ),y)
GCC_TARGET_LANGUAGES:=$(GCC_TARGET_LANGUAGES),java
endif
ifeq ($(BR2_INSTALL_OBJC),y)
GCC_TARGET_LANGUAGES:=$(GCC_TARGET_LANGUAGES),objc
endif

GCC_TARGET_PREREQ =
GCC_STAGING_PREREQ= $(STAGING_DIR)/usr/lib/libc.a

ifndef GCC_NO_MPFR
GCC_WITH_HOST_GMP=--with-gmp=$(GMP_HOST_DIR)
GCC_WITH_HOST_MPFR=--with-mpfr=$(MPFR_HOST_DIR)

ifeq ($(BR2_INSTALL_FORTRAN),y)
GCC_TARGET_LANGUAGES:=$(GCC_TARGET_LANGUAGES),fortran
#GCC_TARGET_PREREQ += $(TARGET_DIR)/lib/libmpfr.so $(TARGET_DIR)/lib/libgmp.so
#GCC_STAGING_PREREQ+= $(TOOL_BUILD_DIR)/mpfr/lib/libmpfr.so
GCC_WITH_TARGET_GMP=--with-gmp="$(GMP_TARGET_DIR)"
GCC_WITH_TARGET_MPFR=--with-mpfr="$(MPFR_TARGET_DIR)"
endif
endif # ifndef GCC_NO_MPFR

ifeq ($(BR2_GCC_SHARED_LIBGCC),y)
GCC_SHARED_LIBGCC:=--enable-shared
else
GCC_SHARED_LIBGCC:=--disable-shared
endif

ifneq ($(BR2_ENABLE_LOCALE),y)
GCC_ENABLE_CLOCALE:=--disable-clocale
endif


#############################################################
#
# build the first pass gcc compiler
#
#############################################################
GCC_BUILD_DIR1:=$(TOOL_BUILD_DIR)/gcc-$(GCC_VERSION)-initial

$(DL_DIR)/$(GCC_SOURCE):
	mkdir -p $(DL_DIR)
	$(WGET) -P $(DL_DIR) $(GCC_SITE)/$(GCC_SOURCE)

gcc-unpacked: $(GCC_DIR)/.patched
$(GCC_DIR)/.unpacked: $(DL_DIR)/$(GCC_SOURCE)
	mkdir -p $(TOOL_BUILD_DIR)
	$(GCC_CAT) $(DL_DIR)/$(GCC_SOURCE) | tar -C $(TOOL_BUILD_DIR) $(TAR_OPTIONS) -
	$(CONFIG_UPDATE) $(GCC_DIR)
	touch $@

gcc-patched: $(GCC_DIR)/.patched
$(GCC_DIR)/.patched: $(GCC_DIR)/.unpacked
	# Apply any files named gcc-*.patch from the source directory to gcc
	toolchain/patch-kernel.sh $(GCC_DIR) $(GCC_PATCH_DIR) \*.patch
	# Note: The soft float situation has improved considerably with gcc 3.4.x.
	# We can dispense with the custom spec files, as well as libfloat for the arm case.
	# However, we still need a patch for arm. There's a similar patch for gcc 3.3.x
	# which needs to be integrated so we can kill of libfloat for good, except for
	# anyone (?) who might still be using gcc 2.95. mjn3
ifeq ($(BR2_SOFT_FLOAT),y)
ifeq ("$(strip $(ARCH))","arm")
	toolchain/patch-kernel.sh $(GCC_DIR) toolchain/gcc/$(GCC_VERSION) arm-softfloat.patch.conditional
endif
ifeq ("$(strip $(ARCH))","armeb")
	toolchain/patch-kernel.sh $(GCC_DIR) toolchain/gcc/$(GCC_VERSION) arm-softfloat.patch.conditional
endif
	# Not yet updated to 3.4.1.
	#ifeq ("$(strip $(ARCH))","i386")
	#toolchain/patch-kernel.sh $(GCC_DIR) toolchain/gcc i386-gcc-soft-float.patch
	#endif
endif
	touch $@

# The --without-headers option stopped working with gcc 3.0 and has never been
# fixed, so we need to actually have working C library header files prior to
# the step or libgcc will not build...

$(GCC_BUILD_DIR1)/.configured: $(GCC_DIR)/.patched
	mkdir -p $(GCC_BUILD_DIR1)
	(cd $(GCC_BUILD_DIR1); PATH=$(TARGET_PATH) \
		CC="$(HOSTCC)" \
		$(GCC_DIR)/configure \
		--prefix=$(STAGING_DIR)/usr \
		--build=$(GNU_HOST_NAME) \
		--host=$(GNU_HOST_NAME) \
		--target=$(REAL_GNU_TARGET_NAME) \
		--enable-languages=c \
		--with-sysroot=$(TOOL_BUILD_DIR)/uClibc_dev/ \
		--disable-__cxa_atexit \
		--enable-target-optspace \
		--with-gnu-ld \
		--disable-shared \
		$(GCC_WITH_HOST_GMP) \
		$(GCC_WITH_HOST_MPFR) \
		$(DISABLE_NLS) \
		$(THREADS) \
		$(MULTILIB) \
		$(SOFT_FLOAT_CONFIG_OPTION) \
		$(GCC_WITH_ABI) $(GCC_WITH_ARCH) $(GCC_WITH_TUNE) \
		$(EXTRA_GCC_CONFIG_OPTIONS) \
	)
	touch $@

$(GCC_BUILD_DIR1)/.compiled: $(GCC_BUILD_DIR1)/.configured
	PATH=$(TARGET_PATH) $(MAKE) -C $(GCC_BUILD_DIR1) all-gcc
	touch $@

gcc_initial = $(GCC_BUILD_DIR1)/.installed
$(gcc_initial) $(STAGING_DIR)/usr/bin/$(REAL_GNU_TARGET_NAME)-gcc: $(GCC_BUILD_DIR1)/.compiled
	PATH=$(TARGET_PATH) $(MAKE) -C $(GCC_BUILD_DIR1) install-gcc
	#rm -f $(STAGING_DIR)/bin/gccbug $(STAGING_DIR)/bin/gcov
	#rm -rf $(STAGING_DIR)/info $(STAGING_DIR)/man $(STAGING_DIR)/share/doc $(STAGING_DIR)/share/locale
	touch $(gcc_initial)

gcc_initial: uclibc-configured binutils $(STAGING_DIR)/usr/bin/$(REAL_GNU_TARGET_NAME)-gcc

gcc_initial-clean:
	rm -rf $(GCC_BUILD_DIR1)

gcc_initial-dirclean:
	rm -rf $(GCC_BUILD_DIR1) $(GCC_DIR)

#############################################################
#
# second pass compiler build. Build the compiler targeting
# the newly built shared uClibc library.
#
#############################################################
#
# Sigh... I had to rework things because using --with-gxx-include-dir
# causes issues with include dir search order for g++. This seems to
# have something to do with "path translations" and possibly doesn't
# affect gcc-target. However, I haven't tested gcc-target yet so no
# guarantees. mjn3
comma:=,
GCC_BUILD_DIR2:=$(TOOL_BUILD_DIR)/gcc-$(GCC_VERSION)-final
$(GCC_BUILD_DIR2)/.configured: $(GCC_DIR)/.patched $(GCC_STAGING_PREREQ)
	mkdir -p $(GCC_BUILD_DIR2)
	# Important! Required for limits.h to be fixed.
	ln -snf ../include $(STAGING_DIR)/usr/$(REAL_GNU_TARGET_NAME)/sys-include
	#-rmdir $(STAGING_DIR)/usr/$(REAL_GNU_TARGET_NAME)/lib
	#ln -snf ../lib/ $(STAGING_DIR)/usr/$(REAL_GNU_TARGET_NAME)/lib
	(cd $(GCC_BUILD_DIR2); rm -rf config.cache; \
		$(HOST_CONFIGURE_OPTS) \
		LDFLAGS_FOR_TARGET="$(patsubst %,LDFLAGS+=-Wl$(comma)%,$(TARGET_LDFLAGS)) -L$(STAGING_DIR)/lib -L$(STAGING_DIR)/usr/lib" \
		$(GCC_DIR)/configure \
		--prefix=$(STAGING_DIR) \
		--build=$(GNU_HOST_NAME) \
		--host=$(GNU_HOST_NAME) \
		--target=$(REAL_GNU_TARGET_NAME) \
		--enable-languages=$(GCC_CROSS_LANGUAGES) \
		--disable-__cxa_atexit \
		--enable-target-optspace \
		--with-gnu-ld \
		$(GCC_WITH_HOST_GMP) \
		$(GCC_WITH_HOST_MPFR) \
		$(GCC_SHARED_LIBGCC) \
		$(DISABLE_NLS) \
		$(THREADS) \
		$(MULTILIB) \
		$(SOFT_FLOAT_CONFIG_OPTION) \
		$(GCC_WITH_ABI) $(GCC_WITH_ARCH) $(GCC_WITH_TUNE) \
		$(GCC_USE_SJLJ_EXCEPTIONS) \
		$(DISABLE_LARGEFILE) \
		$(EXTRA_GCC_CONFIG_OPTIONS) \
	)
	touch $@

$(GCC_BUILD_DIR2)/.compiled: $(GCC_BUILD_DIR2)/.configured
	PATH=$(TARGET_PATH) $(MAKE) -C $(GCC_BUILD_DIR2) all
	touch $@

$(GCC_BUILD_DIR2)/.installed: $(GCC_BUILD_DIR2)/.compiled
	PATH=$(TARGET_PATH) $(MAKE) -C $(GCC_BUILD_DIR2) install
	if [ -d "$(STAGING_DIR)/usr/lib64" ]; then \
		if [ ! -e "$(STAGING_DIR)/usr/lib" ]; then \
			mkdir "$(STAGING_DIR)/usr/lib"; \
		fi; \
		mv "$(STAGING_DIR)/usr/lib64/"* "$(STAGING_DIR)/usr/lib/"; \
		rmdir "$(STAGING_DIR)/usr/lib64"; \
	fi
	# Strip the host binaries
ifeq ($(GCC_STRIP_HOST_BINARIES),true)
	strip --strip-all -R .note -R .comment $(filter-out gccbug,$(wildcard $(STAGING_DIR)/usr/bin/$(REAL_GNU_TARGET_NAME)-*))
endif
	# Make sure we have 'cc'.
	if [ ! -e $(STAGING_DIR)/usr/bin/$(REAL_GNU_TARGET_NAME)-cc ]; then \
		ln -snf $(REAL_GNU_TARGET_NAME)-gcc \
			$(STAGING_DIR)/usr/bin/$(REAL_GNU_TARGET_NAME)-cc; \
	fi
	if [ ! -e $(STAGING_DIR)/usr/bin/gcc ]; then \
		ln -snf gcc $(STAGING_DIR)/usr/bin/$(REAL_GNU_TARGET_NAME)-cc; \
	fi
	# Set up the symlinks to enable lying about target name.
	set -e; \
	(cd $(STAGING_DIR)/usr; \
		ln -snf $(REAL_GNU_TARGET_NAME) $(GNU_TARGET_NAME); \
		cd bin; \
		for app in $(REAL_GNU_TARGET_NAME)-*; do \
			ln -snf $${app} \
			$(GNU_TARGET_NAME)$${app##$(REAL_GNU_TARGET_NAME)}; \
		done; \
	)
	#
	# Now for the ugly 3.3.x soft float hack...
	#
ifeq ($(BR2_SOFT_FLOAT),y)
ifeq ($(findstring 3.3.,$(GCC_VERSION)),3.3.)
	# Make sure we have a soft float specs file for this arch
	if [ ! -f toolchain/gcc/$(GCC_VERSION)/specs-$(ARCH)-soft-float ]; then \
		echo soft float configured but no specs file for this arch; \
		/bin/false; \
	fi
	# Replace specs file with one that defaults to soft float mode.
	if [ ! -f $(STAGING_DIR)/usr/lib/gcc-lib/$(REAL_GNU_TARGET_NAME)/$(GCC_VERSION)/specs ]; then \
		echo staging dir specs file is missing; \
		/bin/false; \
	fi
	cp toolchain/gcc/$(GCC_VERSION)/specs-$(ARCH)-soft-float $(STAGING_DIR)/usr/lib/gcc-lib/$(REAL_GNU_TARGET_NAME)/$(GCC_VERSION)/specs
endif
endif
	#
	# Ok... that's enough of that.
	#
	mkdir -p $(TARGET_DIR)/usr/lib $(TARGET_DIR)/usr/sbin
	touch $@

$(GCC_BUILD_DIR2)/.libs_installed: $(GCC_BUILD_DIR2)/.installed
ifeq ($(BR2_GCC_SHARED_LIBGCC),y)
	# These are in /lib, so...
	rm -rf $(TARGET_DIR)/usr/lib/libgcc_s*.so*
	cp -dpf $(STAGING_DIR)/usr/$(REAL_GNU_TARGET_NAME)/lib/libgcc_s* \
		$(TARGET_DIR)/lib/
	-strip --strip-unneeded $(TARGET_DIR)/lib/libgcc_s*
endif
ifeq ($(BR2_INSTALL_LIBSTDCPP),y)
	cp -dpf $(STAGING_DIR)/lib/libstdc++.so* $(TARGET_DIR)/usr/lib/
	-strip --strip-unneeded $(TARGET_DIR)/usr/lib/libstdc++.so*
endif
ifeq ($(BR2_INSTALL_LIBGCJ),y)
	cp -dpf $(STAGING_DIR)/lib/libgcj.so* $(TARGET_DIR)/usr/lib/
	cp -dpf $(STAGING_DIR)/lib/lib-org-w3c-dom.so* $(TARGET_DIR)/usr/lib/
	cp -dpf $(STAGING_DIR)/lib/lib-org-xml-sax.so* $(TARGET_DIR)/usr/lib/
	mkdir -p $(TARGET_DIR)/usr/lib/security
	cp -dpf $(STAGING_DIR)/usr/lib/security/libgcj.security \
		$(TARGET_DIR)/usr/lib/security/
	cp -dpf $(STAGING_DIR)/usr/lib/security/classpath.security \
		$(TARGET_DIR)/usr/lib/security/
endif
	touch $@

gcc: uclibc-configured binutils gcc_initial $(LIBFLOAT_TARGET) uclibc \
	$(GCC_BUILD_DIR2)/.installed $(GCC_BUILD_DIR2)/.libs_installed \
	$(GCC_TARGETS)

gcc-source: $(DL_DIR)/$(GCC_SOURCE)

gcc-clean:
	rm -rf $(GCC_BUILD_DIR2)
	for prog in cpp gcc gcc-[0-9]* protoize unprotoize gcov gccbug cc; do \
		rm -f $(STAGING_DIR)/usr/bin/$(REAL_GNU_TARGET_NAME)-$$prog; \
		rm -f $(STAGING_DIR)/usr/bin/$(GNU_TARGET_NAME)-$$prog; \
	done

gcc-dirclean: gcc_initial-dirclean
	rm -rf $(GCC_BUILD_DIR2)

#############################################################
#
# Next build target gcc compiler
#
#############################################################
GCC_BUILD_DIR3:=$(BUILD_DIR)/gcc-$(GCC_VERSION)-target

$(GCC_BUILD_DIR3)/.prepared: $(GCC_BUILD_DIR2)/.libs_installed $(GCC_TARGET_PREREQ)
	mkdir -p $(GCC_BUILD_DIR3)
	touch $@

$(GCC_BUILD_DIR3)/.configured: $(GCC_BUILD_DIR3)/.prepared
	(cd $(GCC_BUILD_DIR3); rm -rf config.cache; \
		$(TARGET_CONFIGURE_OPTS) \
		CFLAGS_FOR_BUILD="-g -O2 $(HOST_CFLAGS)" \
		$(TARGET_GCC_FLAGS) \
		$(GCC_DIR)/configure \
		--prefix=/usr \
		--build=$(GNU_HOST_NAME) \
		--host=$(REAL_GNU_TARGET_NAME) \
		--target=$(REAL_GNU_TARGET_NAME) \
		--enable-languages=$(GCC_TARGET_LANGUAGES) \
		--with-gxx-include-dir=/usr/include/c++ \
		--disable-__cxa_atexit \
		--with-gnu-ld \
		$(GCC_SHARED_LIBGCC) \
		$(GCC_WITH_TARGET_GMP) \
		$(GCC_WITH_TARGET_MPFR) \
		$(DISABLE_NLS) \
		$(THREADS) \
		$(MULTILIB) \
		$(SOFT_FLOAT_CONFIG_OPTION) \
		$(GCC_WITH_ABI) $(GCC_WITH_ARCH) $(GCC_WITH_TUNE) \
		$(GCC_USE_SJLJ_EXCEPTIONS) \
		$(DISABLE_LARGEFILE) \
		$(EXTRA_GCC_CONFIG_OPTIONS) \
		$(EXTRA_TARGET_GCC_CONFIG_OPTIONS) \
	)
	touch $@

$(GCC_BUILD_DIR3)/.compiled: $(GCC_BUILD_DIR3)/.configured
	PATH=$(TARGET_PATH) \
	$(MAKE) -C $(GCC_BUILD_DIR3) all
	touch $@

#
# gcc-lib dir changes names to gcc with 3.4.mumble
#
ifeq ($(findstring 3.4.,$(GCC_VERSION)),3.4.)
GCC_LIB_SUBDIR=lib/gcc/$(REAL_GNU_TARGET_NAME)/$(GCC_VERSION)
else
GCC_LIB_SUBDIR=lib/gcc-lib/$(REAL_GNU_TARGET_NAME)/$(GCC_VERSION)
endif
# sigh... we need to find a better way
ifeq ($(findstring 4.0.,$(GCC_VERSION)),4.0.)
GCC_LIB_SUBDIR=lib/gcc/$(REAL_GNU_TARGET_NAME)/$(GCC_VERSION)
endif
ifeq ($(findstring 4.1.,$(GCC_VERSION)),4.1.)
GCC_LIB_SUBDIR=lib/gcc/$(REAL_GNU_TARGET_NAME)/$(GCC_VERSION)
endif
ifeq ($(findstring 4.2,$(GCC_VERSION)),4.2)
ifneq ($(findstring 4.2.,$(GCC_VERSION)),4.2.)
REAL_GCC_VERSION=$(shell cat $(GCC_DIR)/gcc/BASE-VER)
GCC_LIB_SUBDIR=lib/gcc/$(REAL_GNU_TARGET_NAME)/$(REAL_GCC_VERSION)
else
GCC_LIB_SUBDIR=lib/gcc/$(REAL_GNU_TARGET_NAME)/$(GCC_VERSION)
endif
endif

$(TARGET_DIR)/usr/bin/gcc: $(GCC_BUILD_DIR3)/.compiled
	PATH=$(TARGET_PATH) \
	$(MAKE) DESTDIR=$(TARGET_DIR) -C $(GCC_BUILD_DIR3) install
	# Remove broken specs file (cross compile flag is set).
	rm -f $(TARGET_DIR)/usr/$(GCC_LIB_SUBDIR)/specs
	#
	# Now for the ugly 3.3.x soft float hack...
	#
ifeq ($(BR2_SOFT_FLOAT),y)
ifeq ($(findstring 3.3.,$(GCC_VERSION)),3.3.)
	# Add a specs file that defaults to soft float mode.
	cp toolchain/gcc/$(GCC_VERSION)/specs-$(ARCH)-soft-float $(TARGET_DIR)/usr/lib/gcc-lib/$(REAL_GNU_TARGET_NAME)/$(GCC_VERSION)/specs
	# Make sure gcc does not think we are cross compiling
	$(SED) "s/^1/0/;" $(TARGET_DIR)/usr/lib/gcc-lib/$(REAL_GNU_TARGET_NAME)/$(GCC_VERSION)/specs
endif
endif
	#
	# Ok... that's enough of that.
	#
	-(cd $(TARGET_DIR)/bin && find -type f | xargs $(STRIP) > /dev/null 2>&1)
	-(cd $(TARGET_DIR)/usr/bin && find -type f | xargs $(STRIP) > /dev/null 2>&1)
	-(cd $(TARGET_DIR)/usr/$(GCC_LIB_SUBDIR) && $(STRIP) cc1 cc1plus collect2 > /dev/null 2>&1)
	-(cd $(TARGET_DIR)/usr/lib && $(STRIP) libstdc++.so.*.*.* > /dev/null 2>&1)
	-(cd $(TARGET_DIR)/lib && $(STRIP) libgcc_s*.so.*.*.* > /dev/null 2>&1)
	#
	rm -f $(TARGET_DIR)/usr/lib/*.la*
	#rm -rf $(TARGET_DIR)/share/locale $(TARGET_DIR)/usr/info \
	#	$(TARGET_DIR)/usr/man $(TARGET_DIR)/usr/share/doc
	# Work around problem of missing syslimits.h
	if [ ! -f $(TARGET_DIR)/usr/$(GCC_LIB_SUBDIR)/include/syslimits.h ]; then \
		echo "warning: working around missing syslimits.h"; \
		cp -f $(STAGING_DIR)/usr/$(GCC_LIB_SUBDIR)/include/syslimits.h \
			$(TARGET_DIR)/usr/$(GCC_LIB_SUBDIR)/include/; \
	fi
	# Make sure we have 'cc'.
	if [ ! -e $(TARGET_DIR)/usr/bin/cc ]; then \
		ln -snf gcc $(TARGET_DIR)/usr/bin/cc; \
	fi
	# These are in /lib, so...
	#rm -rf $(TARGET_DIR)/usr/lib/libgcc_s*.so*
	#touch -c $(TARGET_DIR)/usr/bin/gcc

gcc_target: uclibc_target binutils_target $(TARGET_DIR)/usr/bin/gcc

gcc_target-clean:
	rm -rf $(GCC_BUILD_DIR3)
	rm -f $(TARGET_DIR)/usr/bin/$(REAL_GNU_TARGET_NAME)*

gcc_target-dirclean:
	rm -rf $(GCC_BUILD_DIR3)

endif
# gcc-3.x only

endif