[people/pmueller/ipfire-2.x.git] / lfs / gcc

###############################################################################
#                                                                             #
# IPFire.org - A linux based firewall                                         #
# Copyright (C) 2007-2018  IPFire Team  <info@ipfire.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 3 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, see <http://www.gnu.org/licenses/>.       #
#                                                                             #
###############################################################################

###############################################################################
# Definitions
###############################################################################

include Config

VER        = 7.3.0

GMP_VER    = 6.1.2
MPFR_VER   = 3.1.6
MPC_VER    = 1.0.3

THISAPP    = gcc-$(VER)
DL_FILE    = $(THISAPP).tar.xz
DL_FROM    = $(URL_IPFIRE)
DIR_APP    = $(DIR_SRC)/$(THISAPP)

CFLAGS    := $(patsubst -march=%,,$(CFLAGS))
CFLAGS    := $(patsubst -mfpu=%,,$(CFLAGS))
CFLAGS    := $(patsubst -mtune=%,,$(CFLAGS))
CFLAGS    := $(patsubst -mfloat-abi=%,,$(CFLAGS))
CFLAGS    := $(filter-out -fexceptions,$(CFLAGS))

ifeq "$(PASS)" "1"
CFLAGS    := $(patsubst -mindirect-branch=%,,$(CFLAGS))
CFLAGS    := $(patsubst -mfunction-return=%,,$(CFLAGS))
endif

CXXFLAGS  := $(CFLAGS)

ifeq "$(BUILD_ARCH)" "armv7hl"
	FULL_BOOTSTRAP = 1
endif

ifeq "$(BUILD_ARCH)" "armv5tel"
	FULL_BOOTSTRAP = 1
endif

# Normal build or $(TOOLS_DIR) build.
#
ifeq "$(ROOT)" ""
  TARGET = $(DIR_INFO)/$(THISAPP)
  EXTRA_CONFIG = \
	--prefix=/usr \
	--libexecdir=/usr/lib \
	--enable-shared \
	--enable-threads=posix \
	--enable-__cxa_atexit \
	--enable-clocale=gnu \
	--enable-languages=c,c++ \
	--disable-bootstrap \
	--disable-nls
  EXTRA_MAKE =
  EXTRA_INSTALL =
else
ifeq "$(PASS)" "1"
  TARGET = $(DIR_INFO)/$(THISAPP)-tools1
  EXTRA_CONFIG = \
	--target=$(CROSSTARGET) \
	--prefix=$(TOOLS_DIR) \
	--with-sysroot=$(ROOT) \
	--with-local-prefix=$(TOOLS_DIR) \
	--with-native-system-header-dir=$(TOOLS_DIR)/include \
	--disable-nls \
	--disable-shared \
	--disable-decimal-float \
	--disable-threads \
	--disable-libatomic \
	--disable-libmudflap \
	--disable-libssp \
	--disable-libmpx \
	--disable-libgomp \
	--disable-libquadmath \
	--disable-libstdc++-v3 \
	--disable-libvtv \
	--disable-libcilkrts \
	--disable-libitm \
	--disable-libsanitizer \
	--with-newlib \
	--without-headers \
	--without-ppl \
	--without-cloog \
	--enable-languages=c,c++
  EXTRA_MAKE = 
  EXTRA_INSTALL = 
else
ifeq "$(PASS)" "2"
  TARGET = $(DIR_INFO)/$(THISAPP)-tools2
  EXTRA_ENV = \
	CC="$(CROSSTARGET)-gcc" \
	CXX="$(CROSSTARGET)-g++" \
	AR="$(CROSSTARGET)-ar" \
	RANLIB="$(CROSSTARGET)-ranlib"
  EXTRA_CONFIG = \
	--build=$(BUILDTARGET) \
	--prefix=$(TOOLS_DIR) \
	--with-local-prefix=$(TOOLS_DIR) \
	--with-native-system-header-dir=$(TOOLS_DIR)/include \
	--enable-languages=c,c++ \
	--disable-libstdcxx-pch \
	--disable-libgomp
  EXTRA_MAKE = 
  EXTRA_INSTALL = 

  ifeq "$(FULL_BOOTSTRAP)" "1"
	EXTRA_CONFIG += --enable-bootstrap
  else
	EXTRA_CONFIG += --disable-bootstrap
  endif
else
  # PASS=L # libstdc++-v3
  TARGET = $(DIR_INFO)/$(THISAPP)-libstdc++
  EXTRA_ENV = \
	CC="$(CROSSTARGET)-gcc" \
	AR="$(CROSSTARGET)-ar" \
	RANLIB="$(CROSSTARGET)-ranlib"
  EXTRA_CONFIG = \
	--host=$(CROSSTARGET) \
	--prefix=$(TOOLS_DIR) \
	--with-sysroot=$(ROOT) \
	--disable-shared \
	--disable-nls \
	--disable-libstdcxx-threads \
	--disable-libstdcxx-pch \
	--with-gxx-include-dir=$(TOOLS_DIR)/$(CROSSTARGET)/include/c++/$(VER)
  EXTRA_MAKE = 
  EXTRA_INSTALL = 
endif
endif
endif

ifeq "$(BUILD_ARCH)" "armv7hl"
	EXTRA_CONFIG += \
		--with-float=hard
endif

ifeq "$(BUILD_ARCH)" "armv5tel"
	EXTRA_CONFIG += \
		--with-float=soft \
		--disable-sjlj-exceptions
endif

ifeq "$(BUILD_ARCH)" "i586"
	EXTRA_CONFIG += \
		--with-arch=i586 \
		--with-tune=generic
endif

EXTRA_CONFIG += \
	--disable-multilib \
	--with-bugurl=http://bugtracker.ipfire.org \
	--disable-libunwind-exceptions \
	--enable-gnu-unique-object

export XCFLAGS = $(CFLAGS)
export TCFLAGS = $(CFLAGS)

###############################################################################
# Top-level Rules
###############################################################################

objects = $(DL_FILE) \
	gmp-$(GMP_VER).tar.xz \
	mpfr-$(MPFR_VER).tar.xz \
	mpc-$(MPC_VER).tar.gz

$(DL_FILE) = $(DL_FROM)/$(DL_FILE)
gmp-$(GMP_VER).tar.xz = $(DL_FROM)/gmp-$(GMP_VER).tar.xz
mpfr-$(MPFR_VER).tar.xz = $(DL_FROM)/mpfr-$(MPFR_VER).tar.xz
mpc-$(MPC_VER).tar.gz = $(DL_FROM)/mpc-$(MPC_VER).tar.gz

$(DL_FILE)_MD5			= be2da21680f27624f3a87055c4ba5af2
gmp-$(GMP_VER).tar.xz_MD5	= f58fa8001d60c4c77595fbbb62b63c1d
mpfr-$(MPFR_VER).tar.xz_MD5	= 51bfdbf81553966c8d43808122cc81b3
mpc-$(MPC_VER).tar.gz_MD5	= d6a1d5f8ddea3abd2cc3e98f58352d26

install : $(TARGET)

check : $(patsubst %,$(DIR_CHK)/%,$(objects))

download :$(patsubst %,$(DIR_DL)/%,$(objects))

md5 : $(subst %,%_MD5,$(objects))

###############################################################################
# Downloading, checking, md5sum
###############################################################################

$(patsubst %,$(DIR_CHK)/%,$(objects)) :
	@$(CHECK)

$(patsubst %,$(DIR_DL)/%,$(objects)) :
	@$(LOAD)

$(subst %,%_MD5,$(objects)) :
	@$(MD5)

###############################################################################
# Installation Details
###############################################################################

$(TARGET) : $(patsubst %,$(DIR_DL)/%,$(objects))
	@$(PREBUILD)
	@rm -rf $(DIR_APP) $(DIR_SRC)/gcc-build && cd $(DIR_SRC) && tar axf $(DIR_DL)/$(DL_FILE)
	@mkdir $(DIR_SRC)/gcc-build

	cd $(DIR_APP) && patch -Np0 < $(DIR_SRC)/src/patches/gcc-7-glibc-2.28-ustat.patch

	cd $(DIR_APP) && sed -i 's/install_to_$$(INSTALL_DEST) //' libiberty/Makefile.in
	cd $(DIR_APP) && sed -i gcc/Makefile.in \
		-e 's@\./fixinc\.sh@-c true@' \
		-e 's/^T_CFLAGS =$$/& -fomit-frame-pointer/'

ifeq "$(TOOLCHAIN)" "1"
	# Build gmp and mpfr internally in toolchain.
	cd $(DIR_APP) && tar xfa $(DIR_DL)/gmp-$(GMP_VER).tar.xz
	cd $(DIR_APP) && mv -v gmp-$(GMP_VER) gmp
	cd $(DIR_APP) && tar xfa $(DIR_DL)/mpfr-$(MPFR_VER).tar.xz
	cd $(DIR_APP) && mv -v mpfr-$(MPFR_VER) mpfr
	cd $(DIR_APP) && tar xfa $(DIR_DL)/mpc-$(MPC_VER).tar.gz
	cd $(DIR_APP) && mv -v mpc-$(MPC_VER) mpc

ifeq "$(PASS)" "2"
	cd $(DIR_APP) && cat gcc/limitx.h gcc/glimits.h gcc/limity.h > \
			`dirname $$($(TOOLS_DIR)/bin/$(CROSSTARGET)-gcc -print-libgcc-file-name)`/include-fixed/limits.h
endif

	for file in $$(find $(DIR_APP)/gcc/config -name linux64.h -o -name linux.h \
			-o -name sysv4.h -o -name linux-eabi.h -o -name linux-elf.h -o -name aarch64-linux.h); do \
		echo "Processing $${file}..."; \
		sed -i $${file} \
			-e 's@/lib\(64\)\?\(32\)\?/ld@$(TOOLS_DIR)&@g' \
			-e 's@/usr@$(TOOLS_DIR)@g'; \
		echo '#undef STANDARD_STARTFILE_PREFIX_1' >> $${file}; \
		echo '#undef STANDARD_STARTFILE_PREFIX_2' >> $${file}; \
		echo '#define STANDARD_STARTFILE_PREFIX_1 "$(TOOLS_DIR)/lib/"' >> $${file}; \
		echo '#define STANDARD_STARTFILE_PREFIX_2 ""' >> $${file}; \
	done
endif

ifeq "$(PASS)" "L"
	# libstdc++ pass
	cd $(DIR_SRC)/gcc-build && \
		$(EXTRA_ENV) \
		$(DIR_APP)/libstdc++-v3/configure \
			$(EXTRA_CONFIG)
	cd $(DIR_SRC)/gcc-build && make $(EXTRA_MAKE)
	cd $(DIR_SRC)/gcc-build && make $(EXTRA_INSTALL) install

else
	# The actual build.
	cd $(DIR_SRC)/gcc-build && \
		$(EXTRA_ENV) \
		$(DIR_APP)/configure \
			$(EXTRA_CONFIG)
	cd $(DIR_SRC)/gcc-build && make $(EXTRA_MAKE)
	cd $(DIR_SRC)/gcc-build && make $(EXTRA_INSTALL) install
endif

ifeq "$(TOOLCHAIN)" "1"
 ifeq "$(PASS)" "1"
	ln -svf libgcc.a $$($(TOOLS_DIR)/bin/$(CROSSTARGET)-gcc -print-libgcc-file-name | sed 's/libgcc/&_eh/')
 endif

 ifeq "$(PASS)" "2"
	ln -svf gcc $(TOOLS_DIR)/bin/cc
	# remove gdb python files from libdir
	rm -rf $(TOOLS_DIR)/lib/*-gdb.py
 endif

 ifeq "$(PASS)" "L"
	# Workaround for https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70936
	sed -e "s/^#include_next/#include/" -i $(TOOLS_DIR)/$(CROSSTARGET)/include/c++/$(VER)/cstdlib
 endif

else # NON-TOOLCHAIN
	ln -svf ../usr/bin/cpp /lib
	ln -svf gcc /usr/bin/cc
	# remove gdb python files from libdir
	rm -rf /usr/lib/*-gdb.py
endif

	@rm -rf $(DIR_APP) $(DIR_SRC)/gcc-build
	@$(POSTBUILD)
Commit	Line	Data
	1	###############################################################################
	2	# #
	3	# IPFire.org - A linux based firewall #
	4	# Copyright (C) 2007-2018 IPFire Team <info@ipfire.org> #
	5	# #
	6	# This program is free software: you can redistribute it and/or modify #
	7	# it under the terms of the GNU General Public License as published by #
	8	# the Free Software Foundation, either version 3 of the License, or #
	9	# (at your option) any later version. #
	10	# #
	11	# This program is distributed in the hope that it will be useful, #
	12	# but WITHOUT ANY WARRANTY; without even the implied warranty of #
	13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
	14	# GNU General Public License for more details. #
	15	# #
	16	# You should have received a copy of the GNU General Public License #
	17	# along with this program. If not, see <http://www.gnu.org/licenses/>. #
	18	# #
	19	###############################################################################
	20
	21	###############################################################################
	22	# Definitions
	23	###############################################################################
	24
	25	include Config
	26
	27	VER = 7.3.0
	28
	29	GMP_VER = 6.1.2
	30	MPFR_VER = 3.1.6
	31	MPC_VER = 1.0.3
	32
	33	THISAPP = gcc-$(VER)
	34	DL_FILE = $(THISAPP).tar.xz
	35	DL_FROM = $(URL_IPFIRE)
	36	DIR_APP = $(DIR_SRC)/$(THISAPP)
	37
	38	CFLAGS := $(patsubst -march=%,,$(CFLAGS))
	39	CFLAGS := $(patsubst -mfpu=%,,$(CFLAGS))
	40	CFLAGS := $(patsubst -mtune=%,,$(CFLAGS))
	41	CFLAGS := $(patsubst -mfloat-abi=%,,$(CFLAGS))
	42	CFLAGS := $(filter-out -fexceptions,$(CFLAGS))
	43
	44	ifeq "$(PASS)" "1"
	45	CFLAGS := $(patsubst -mindirect-branch=%,,$(CFLAGS))
	46	CFLAGS := $(patsubst -mfunction-return=%,,$(CFLAGS))
	47	endif
	48
	49	CXXFLAGS := $(CFLAGS)
	50
	51	ifeq "$(BUILD_ARCH)" "armv7hl"
	52	FULL_BOOTSTRAP = 1
	53	endif
	54
	55	ifeq "$(BUILD_ARCH)" "armv5tel"
	56	FULL_BOOTSTRAP = 1
	57	endif
	58
	59	# Normal build or $(TOOLS_DIR) build.
	60	#
	61	ifeq "$(ROOT)" ""
	62	TARGET = $(DIR_INFO)/$(THISAPP)
	63	EXTRA_CONFIG = \
	64	--prefix=/usr \
	65	--libexecdir=/usr/lib \
	66	--enable-shared \
	67	--enable-threads=posix \
	68	--enable-__cxa_atexit \
	69	--enable-clocale=gnu \
	70	--enable-languages=c,c++ \
	71	--disable-bootstrap \
	72	--disable-nls
	73	EXTRA_MAKE =
	74	EXTRA_INSTALL =
	75	else
	76	ifeq "$(PASS)" "1"
	77	TARGET = $(DIR_INFO)/$(THISAPP)-tools1
	78	EXTRA_CONFIG = \
	79	--target=$(CROSSTARGET) \
	80	--prefix=$(TOOLS_DIR) \
	81	--with-sysroot=$(ROOT) \
	82	--with-local-prefix=$(TOOLS_DIR) \
	83	--with-native-system-header-dir=$(TOOLS_DIR)/include \
	84	--disable-nls \
	85	--disable-shared \
	86	--disable-decimal-float \
	87	--disable-threads \
	88	--disable-libatomic \
	89	--disable-libmudflap \
	90	--disable-libssp \
	91	--disable-libmpx \
	92	--disable-libgomp \
	93	--disable-libquadmath \
	94	--disable-libstdc++-v3 \
	95	--disable-libvtv \
	96	--disable-libcilkrts \
	97	--disable-libitm \
	98	--disable-libsanitizer \
	99	--with-newlib \
	100	--without-headers \
	101	--without-ppl \
	102	--without-cloog \
	103	--enable-languages=c,c++
	104	EXTRA_MAKE =
	105	EXTRA_INSTALL =
	106	else
	107	ifeq "$(PASS)" "2"
	108	TARGET = $(DIR_INFO)/$(THISAPP)-tools2
	109	EXTRA_ENV = \
	110	CC="$(CROSSTARGET)-gcc" \
	111	CXX="$(CROSSTARGET)-g++" \
	112	AR="$(CROSSTARGET)-ar" \
	113	RANLIB="$(CROSSTARGET)-ranlib"
	114	EXTRA_CONFIG = \
	115	--build=$(BUILDTARGET) \
	116	--prefix=$(TOOLS_DIR) \
	117	--with-local-prefix=$(TOOLS_DIR) \
	118	--with-native-system-header-dir=$(TOOLS_DIR)/include \
	119	--enable-languages=c,c++ \
	120	--disable-libstdcxx-pch \
	121	--disable-libgomp
	122	EXTRA_MAKE =
	123	EXTRA_INSTALL =
	124
	125	ifeq "$(FULL_BOOTSTRAP)" "1"
	126	EXTRA_CONFIG += --enable-bootstrap
	127	else
	128	EXTRA_CONFIG += --disable-bootstrap
	129	endif
	130	else
	131	# PASS=L # libstdc++-v3
	132	TARGET = $(DIR_INFO)/$(THISAPP)-libstdc++
	133	EXTRA_ENV = \
	134	CC="$(CROSSTARGET)-gcc" \
	135	AR="$(CROSSTARGET)-ar" \
	136	RANLIB="$(CROSSTARGET)-ranlib"
	137	EXTRA_CONFIG = \
	138	--host=$(CROSSTARGET) \
	139	--prefix=$(TOOLS_DIR) \
	140	--with-sysroot=$(ROOT) \
	141	--disable-shared \
	142	--disable-nls \
	143	--disable-libstdcxx-threads \
	144	--disable-libstdcxx-pch \
	145	--with-gxx-include-dir=$(TOOLS_DIR)/$(CROSSTARGET)/include/c++/$(VER)
	146	EXTRA_MAKE =
	147	EXTRA_INSTALL =
	148	endif
	149	endif
	150	endif
	151
	152	ifeq "$(BUILD_ARCH)" "armv7hl"
	153	EXTRA_CONFIG += \
	154	--with-float=hard
	155	endif
	156
	157	ifeq "$(BUILD_ARCH)" "armv5tel"
	158	EXTRA_CONFIG += \
	159	--with-float=soft \
	160	--disable-sjlj-exceptions
	161	endif
	162
	163	ifeq "$(BUILD_ARCH)" "i586"
	164	EXTRA_CONFIG += \
	165	--with-arch=i586 \
	166	--with-tune=generic
	167	endif
	168
	169	EXTRA_CONFIG += \
	170	--disable-multilib \
	171	--with-bugurl=http://bugtracker.ipfire.org \
	172	--disable-libunwind-exceptions \
	173	--enable-gnu-unique-object
	174
	175	export XCFLAGS = $(CFLAGS)
	176	export TCFLAGS = $(CFLAGS)
	177
	178	###############################################################################
	179	# Top-level Rules
	180	###############################################################################
	181
	182	objects = $(DL_FILE) \
	183	gmp-$(GMP_VER).tar.xz \
	184	mpfr-$(MPFR_VER).tar.xz \
	185	mpc-$(MPC_VER).tar.gz
	186
	187	$(DL_FILE) = $(DL_FROM)/$(DL_FILE)
	188	gmp-$(GMP_VER).tar.xz = $(DL_FROM)/gmp-$(GMP_VER).tar.xz
	189	mpfr-$(MPFR_VER).tar.xz = $(DL_FROM)/mpfr-$(MPFR_VER).tar.xz
	190	mpc-$(MPC_VER).tar.gz = $(DL_FROM)/mpc-$(MPC_VER).tar.gz
	191
	192	$(DL_FILE)_MD5 = be2da21680f27624f3a87055c4ba5af2
	193	gmp-$(GMP_VER).tar.xz_MD5 = f58fa8001d60c4c77595fbbb62b63c1d
	194	mpfr-$(MPFR_VER).tar.xz_MD5 = 51bfdbf81553966c8d43808122cc81b3
	195	mpc-$(MPC_VER).tar.gz_MD5 = d6a1d5f8ddea3abd2cc3e98f58352d26
	196
	197	install : $(TARGET)
	198
	199	check : $(patsubst %,$(DIR_CHK)/%,$(objects))
	200
	201	download :$(patsubst %,$(DIR_DL)/%,$(objects))
	202
	203	md5 : $(subst %,%_MD5,$(objects))
	204
	205	###############################################################################
	206	# Downloading, checking, md5sum
	207	###############################################################################
	208
	209	$(patsubst %,$(DIR_CHK)/%,$(objects)) :
	210	@$(CHECK)
	211
	212	$(patsubst %,$(DIR_DL)/%,$(objects)) :
	213	@$(LOAD)
	214
	215	$(subst %,%_MD5,$(objects)) :
	216	@$(MD5)
	217
	218	###############################################################################
	219	# Installation Details
	220	###############################################################################
	221
	222	$(TARGET) : $(patsubst %,$(DIR_DL)/%,$(objects))
	223	@$(PREBUILD)
	224	@rm -rf $(DIR_APP) $(DIR_SRC)/gcc-build && cd $(DIR_SRC) && tar axf $(DIR_DL)/$(DL_FILE)
	225	@mkdir $(DIR_SRC)/gcc-build
	226
	227	cd $(DIR_APP) && patch -Np0 < $(DIR_SRC)/src/patches/gcc-7-glibc-2.28-ustat.patch
	228
	229	cd $(DIR_APP) && sed -i 's/install_to_$$(INSTALL_DEST) //' libiberty/Makefile.in
	230	cd $(DIR_APP) && sed -i gcc/Makefile.in \
	231	-e 's@\./fixinc\.sh@-c true@' \
	232	-e 's/^T_CFLAGS =$$/& -fomit-frame-pointer/'
	233
	234	ifeq "$(TOOLCHAIN)" "1"
	235	# Build gmp and mpfr internally in toolchain.
	236	cd $(DIR_APP) && tar xfa $(DIR_DL)/gmp-$(GMP_VER).tar.xz
	237	cd $(DIR_APP) && mv -v gmp-$(GMP_VER) gmp
	238	cd $(DIR_APP) && tar xfa $(DIR_DL)/mpfr-$(MPFR_VER).tar.xz
	239	cd $(DIR_APP) && mv -v mpfr-$(MPFR_VER) mpfr
	240	cd $(DIR_APP) && tar xfa $(DIR_DL)/mpc-$(MPC_VER).tar.gz
	241	cd $(DIR_APP) && mv -v mpc-$(MPC_VER) mpc
	242
	243	ifeq "$(PASS)" "2"
	244	cd $(DIR_APP) && cat gcc/limitx.h gcc/glimits.h gcc/limity.h > \
	245	`dirname $$($(TOOLS_DIR)/bin/$(CROSSTARGET)-gcc -print-libgcc-file-name)`/include-fixed/limits.h
	246	endif
	247
	248	for file in $$(find $(DIR_APP)/gcc/config -name linux64.h -o -name linux.h \
	249	-o -name sysv4.h -o -name linux-eabi.h -o -name linux-elf.h -o -name aarch64-linux.h); do \
	250	echo "Processing $${file}..."; \
	251	sed -i $${file} \
	252	-e 's@/lib\(64\)\?\(32\)\?/ld@$(TOOLS_DIR)&@g' \
	253	-e 's@/usr@$(TOOLS_DIR)@g'; \
	254	echo '#undef STANDARD_STARTFILE_PREFIX_1' >> $${file}; \
	255	echo '#undef STANDARD_STARTFILE_PREFIX_2' >> $${file}; \
	256	echo '#define STANDARD_STARTFILE_PREFIX_1 "$(TOOLS_DIR)/lib/"' >> $${file}; \
	257	echo '#define STANDARD_STARTFILE_PREFIX_2 ""' >> $${file}; \
	258	done
	259	endif
	260
	261	ifeq "$(PASS)" "L"
	262	# libstdc++ pass
	263	cd $(DIR_SRC)/gcc-build && \
	264	$(EXTRA_ENV) \
	265	$(DIR_APP)/libstdc++-v3/configure \
	266	$(EXTRA_CONFIG)
	267	cd $(DIR_SRC)/gcc-build && make $(EXTRA_MAKE)
	268	cd $(DIR_SRC)/gcc-build && make $(EXTRA_INSTALL) install
	269
	270	else
	271	# The actual build.
	272	cd $(DIR_SRC)/gcc-build && \
	273	$(EXTRA_ENV) \
	274	$(DIR_APP)/configure \
	275	$(EXTRA_CONFIG)
	276	cd $(DIR_SRC)/gcc-build && make $(EXTRA_MAKE)
	277	cd $(DIR_SRC)/gcc-build && make $(EXTRA_INSTALL) install
	278	endif
	279
	280	ifeq "$(TOOLCHAIN)" "1"
	281	ifeq "$(PASS)" "1"
	282	ln -svf libgcc.a $$($(TOOLS_DIR)/bin/$(CROSSTARGET)-gcc -print-libgcc-file-name \| sed 's/libgcc/&_eh/')
	283	endif
	284
	285	ifeq "$(PASS)" "2"
	286	ln -svf gcc $(TOOLS_DIR)/bin/cc
	287	# remove gdb python files from libdir
	288	rm -rf $(TOOLS_DIR)/lib/*-gdb.py
	289	endif
	290
	291	ifeq "$(PASS)" "L"
	292	# Workaround for https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70936
	293	sed -e "s/^#include_next/#include/" -i $(TOOLS_DIR)/$(CROSSTARGET)/include/c++/$(VER)/cstdlib
	294	endif
	295
	296	else # NON-TOOLCHAIN
	297	ln -svf ../usr/bin/cpp /lib
	298	ln -svf gcc /usr/bin/cc
	299	# remove gdb python files from libdir
	300	rm -rf /usr/lib/*-gdb.py
	301	endif
	302
	303	@rm -rf $(DIR_APP) $(DIR_SRC)/gcc-build
	304	@$(POSTBUILD)