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

###############################################################################
#                                                                             #
# IPFire.org - A linux based firewall                                         #
# Copyright (C) 2007-2022  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        = 15.1.0

GMP_VER    = 6.3.0
MPFR_VER   = 4.2.2
MPC_VER    = 1.3.1

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

ifeq "$(PASS)" "1"
CFLAGS    := $(patsubst -march=%,,$(CFLAGS))
CFLAGS    := $(patsubst -mfpu=%,,$(CFLAGS))
CFLAGS    := $(patsubst -mtune=%,,$(CFLAGS))
CFLAGS    := $(patsubst -mfloat-abi=%,,$(CFLAGS))
CFLAGS    := $(filter-out -fexceptions,$(CFLAGS))

CFLAGS    := $(patsubst -mindirect-branch=%,,$(CFLAGS))
CFLAGS    := $(patsubst -mbranch-protection=%,,$(CFLAGS))
CFLAGS    := $(patsubst -mfunction-return=%,,$(CFLAGS))
CFLAGS    := $(patsubst -fstack-clash-protection,,$(CFLAGS))
CFLAGS    := $(patsubst -fcf-protection,,$(CFLAGS))
endif

CXXFLAGS  := $(CFLAGS)

# 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 =
ifeq "$(PASS)" "A"
  TARGET = $(DIR_INFO)/$(THISAPP)-libatomic
  ROOTFILE_APPEND = "-libatomic"
endif
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=$(TOOLS_DIR)/include \
	--with-glibc-version=2.11 \
	--disable-nls \
	--disable-shared \
	--disable-multilib \
	--disable-decimal-float \
	--disable-threads \
	--disable-libatomic \
	--disable-libmudflap \
	--disable-libssp \
	--disable-libmpx \
	--disable-libgomp \
	--disable-libquadmath \
	--disable-libstdc++-v3 \
	--disable-libvtv \
	--disable-libcilkrts \
	--disable-libitm \
	--disable-libsanitizer \
	--with-newlib \
	--without-headers \
	--without-ppl \
	--without-cloog \
	--enable-languages=c,c++
  EXTRA_MAKE =
  EXTRA_INSTALL =
else
ifeq "$(PASS)" "2"
  TARGET = $(DIR_INFO)/$(THISAPP)-tools2
  EXTRA_ENV = \
	CC="$(CROSSTARGET)-gcc" \
	CXX="$(CROSSTARGET)-g++" \
	AR="$(CROSSTARGET)-ar" \
	RANLIB="$(CROSSTARGET)-ranlib"
  EXTRA_CONFIG = \
	--build=$(BUILDTARGET) \
	--host=$(BUILDTARGET) \
	--prefix=$(TOOLS_DIR) \
	--with-local-prefix=$(TOOLS_DIR) \
	--with-native-system-header-dir=$(TOOLS_DIR)/include \
	--disable-bootstrap \
	--enable-languages=c,c++ \
	--disable-libstdcxx-pch \
	--disable-multilib \
	--disable-libgomp
  EXTRA_MAKE =
  EXTRA_INSTALL =
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)" "aarch64"
	EXTRA_CONFIG += \
		--enable-standard-branch-protection
endif

ifeq "$(BUILD_ARCH)" "riscv64"
	EXTRA_CONFIG += \
		--with-arch=rv64gc \
		--with-abi=lp64d
endif

EXTRA_CONFIG += \
	--disable-multilib \
	--with-bugurl=https://bugzilla.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

$(DL_FILE)_BLAKE2 = a902ce99db4e93615879e435bcd0b96d5a16ea0af42598ca0e6d12913b2ce3651a98574c3264b2717b848e6b5a823b403ccca0adde463938d5b41aa3f1da0d34
gmp-$(GMP_VER).tar.xz_BLAKE2	= a865129e2b3f634ec5bad7f97ed89532e43f5662ac47a7d8ab7f0df8c9f8d0886bd984651422e2573c2163bca69c0547c248147ec90880accbd53db97dc0ddee
mpfr-$(MPFR_VER).tar.xz_BLAKE2	= 6bbf5658e70fbb673a3b65246a6bac708d1571aa6943c6742efd92f468ac71e6f0fe351b757f7133440ea312d9a5fc3549acd89d54f4d975c58bdc204d7b21ec
mpc-$(MPC_VER).tar.gz_BLAKE2	= 76434e6f8830af3571836d51576bfebbc9701e9bbb5c4686f134081cd96cd90ae02f7ff42bf9e3957c7a7ba92b6b2d9cdabe18f0269271147521cd7f6a2d551c

install : $(TARGET)

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

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

b2 : $(subst %,%_BLAKE2,$(objects))

###############################################################################
# Downloading, checking, b2sum
###############################################################################

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

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

$(subst %,%_BLAKE2,$(objects)) :
	@$(B2SUM)

###############################################################################
# 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) && 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

	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) $(MAKETUNING)
	cd $(DIR_SRC)/gcc-build && make $(EXTRA_INSTALL) install
else
ifeq "$(PASS)" "A"
	# libatomic pass
	cd $(DIR_SRC)/gcc-build && \
		$(EXTRA_ENV) \
		$(DIR_APP)/libatomic/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) $(MAKETUNING)
	cd $(DIR_SRC)/gcc-build && make $(EXTRA_INSTALL) install
endif
endif

ifeq "$(TOOLCHAIN)" "1"
 ifeq "$(PASS)" "1"
	# Fix limits.h
	cd $(DIR_APP) && cat gcc/limitx.h gcc/glimits.h gcc/limity.h > \
		`dirname $$($(TOOLS_DIR)/bin/$(CROSSTARGET)-gcc -print-libgcc-file-name)`/include/limits.h

	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) 2007-2022 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 = 15.1.0
	28
	29	GMP_VER = 6.3.0
	30	MPFR_VER = 4.2.2
	31	MPC_VER = 1.3.1
	32
	33	THISAPP = gcc-$(VER)
	34	DL_FILE = $(THISAPP).tar.xz
	35	DL_FROM = $(URL_IPFIRE)
	36	DIR_APP = $(DIR_SRC)/$(THISAPP)
	37
	38	ifeq "$(PASS)" "1"
	39	CFLAGS := $(patsubst -march=%,,$(CFLAGS))
	40	CFLAGS := $(patsubst -mfpu=%,,$(CFLAGS))
	41	CFLAGS := $(patsubst -mtune=%,,$(CFLAGS))
	42	CFLAGS := $(patsubst -mfloat-abi=%,,$(CFLAGS))
	43	CFLAGS := $(filter-out -fexceptions,$(CFLAGS))
	44
	45	CFLAGS := $(patsubst -mindirect-branch=%,,$(CFLAGS))
	46	CFLAGS := $(patsubst -mbranch-protection=%,,$(CFLAGS))
	47	CFLAGS := $(patsubst -mfunction-return=%,,$(CFLAGS))
	48	CFLAGS := $(patsubst -fstack-clash-protection,,$(CFLAGS))
	49	CFLAGS := $(patsubst -fcf-protection,,$(CFLAGS))
	50	endif
	51
	52	CXXFLAGS := $(CFLAGS)
	53
	54	# Normal build or $(TOOLS_DIR) build.
	55	#
	56	ifeq "$(ROOT)" ""
	57	TARGET = $(DIR_INFO)/$(THISAPP)
	58	EXTRA_CONFIG = \
	59	--prefix=/usr \
	60	--libexecdir=/usr/lib \
	61	--enable-shared \
	62	--enable-threads=posix \
	63	--enable-__cxa_atexit \
	64	--enable-clocale=gnu \
	65	--enable-languages=c,c++ \
	66	--disable-bootstrap \
	67	--disable-nls
	68	EXTRA_MAKE =
	69	EXTRA_INSTALL =
	70	ifeq "$(PASS)" "A"
	71	TARGET = $(DIR_INFO)/$(THISAPP)-libatomic
	72	ROOTFILE_APPEND = "-libatomic"
	73	endif
	74	else
	75	ifeq "$(PASS)" "1"
	76	TARGET = $(DIR_INFO)/$(THISAPP)-tools1
	77	EXTRA_CONFIG = \
	78	--target=$(CROSSTARGET) \
	79	--prefix=$(TOOLS_DIR) \
	80	--with-sysroot=$(ROOT) \
	81	--with-local-prefix=$(TOOLS_DIR) \
	82	--with-native-system-header-dir=$(TOOLS_DIR)/include \
	83	--with-glibc-version=2.11 \
	84	--disable-nls \
	85	--disable-shared \
	86	--disable-multilib \
	87	--disable-decimal-float \
	88	--disable-threads \
	89	--disable-libatomic \
	90	--disable-libmudflap \
	91	--disable-libssp \
	92	--disable-libmpx \
	93	--disable-libgomp \
	94	--disable-libquadmath \
	95	--disable-libstdc++-v3 \
	96	--disable-libvtv \
	97	--disable-libcilkrts \
	98	--disable-libitm \
	99	--disable-libsanitizer \
	100	--with-newlib \
	101	--without-headers \
	102	--without-ppl \
	103	--without-cloog \
	104	--enable-languages=c,c++
	105	EXTRA_MAKE =
	106	EXTRA_INSTALL =
	107	else
	108	ifeq "$(PASS)" "2"
	109	TARGET = $(DIR_INFO)/$(THISAPP)-tools2
	110	EXTRA_ENV = \
	111	CC="$(CROSSTARGET)-gcc" \
	112	CXX="$(CROSSTARGET)-g++" \
	113	AR="$(CROSSTARGET)-ar" \
	114	RANLIB="$(CROSSTARGET)-ranlib"
	115	EXTRA_CONFIG = \
	116	--build=$(BUILDTARGET) \
	117	--host=$(BUILDTARGET) \
	118	--prefix=$(TOOLS_DIR) \
	119	--with-local-prefix=$(TOOLS_DIR) \
	120	--with-native-system-header-dir=$(TOOLS_DIR)/include \
	121	--disable-bootstrap \
	122	--enable-languages=c,c++ \
	123	--disable-libstdcxx-pch \
	124	--disable-multilib \
	125	--disable-libgomp
	126	EXTRA_MAKE =
	127	EXTRA_INSTALL =
	128	else
	129	# PASS=L # libstdc++-v3
	130	TARGET = $(DIR_INFO)/$(THISAPP)-libstdc++
	131	EXTRA_ENV = \
	132	CC="$(CROSSTARGET)-gcc" \
	133	AR="$(CROSSTARGET)-ar" \
	134	RANLIB="$(CROSSTARGET)-ranlib"
	135	EXTRA_CONFIG = \
	136	--host=$(CROSSTARGET) \
	137	--prefix=$(TOOLS_DIR) \
	138	--with-sysroot=$(ROOT) \
	139	--disable-shared \
	140	--disable-nls \
	141	--disable-libstdcxx-threads \
	142	--disable-libstdcxx-pch \
	143	--with-gxx-include-dir=$(TOOLS_DIR)/$(CROSSTARGET)/include/c++/$(VER)
	144	EXTRA_MAKE =
	145	EXTRA_INSTALL =
	146	endif
	147	endif
	148	endif
	149
	150	ifeq "$(BUILD_ARCH)" "aarch64"
	151	EXTRA_CONFIG += \
	152	--enable-standard-branch-protection
	153	endif
	154
	155	ifeq "$(BUILD_ARCH)" "riscv64"
	156	EXTRA_CONFIG += \
	157	--with-arch=rv64gc \
	158	--with-abi=lp64d
	159	endif
	160
	161	EXTRA_CONFIG += \
	162	--disable-multilib \
	163	--with-bugurl=https://bugzilla.ipfire.org \
	164	--disable-libunwind-exceptions \
	165	--enable-gnu-unique-object
	166
	167	export XCFLAGS = $(CFLAGS)
	168	export TCFLAGS = $(CFLAGS)
	169
	170	###############################################################################
	171	# Top-level Rules
	172	###############################################################################
	173
	174	objects = $(DL_FILE) \
	175	gmp-$(GMP_VER).tar.xz \
	176	mpfr-$(MPFR_VER).tar.xz \
	177	mpc-$(MPC_VER).tar.gz
	178
	179	$(DL_FILE) = $(DL_FROM)/$(DL_FILE)
	180	gmp-$(GMP_VER).tar.xz = $(DL_FROM)/gmp-$(GMP_VER).tar.xz
	181	mpfr-$(MPFR_VER).tar.xz = $(DL_FROM)/mpfr-$(MPFR_VER).tar.xz
	182	mpc-$(MPC_VER).tar.gz = $(DL_FROM)/mpc-$(MPC_VER).tar.gz
	183
	184	$(DL_FILE)_BLAKE2 = a902ce99db4e93615879e435bcd0b96d5a16ea0af42598ca0e6d12913b2ce3651a98574c3264b2717b848e6b5a823b403ccca0adde463938d5b41aa3f1da0d34
	185	gmp-$(GMP_VER).tar.xz_BLAKE2 = a865129e2b3f634ec5bad7f97ed89532e43f5662ac47a7d8ab7f0df8c9f8d0886bd984651422e2573c2163bca69c0547c248147ec90880accbd53db97dc0ddee
	186	mpfr-$(MPFR_VER).tar.xz_BLAKE2 = 6bbf5658e70fbb673a3b65246a6bac708d1571aa6943c6742efd92f468ac71e6f0fe351b757f7133440ea312d9a5fc3549acd89d54f4d975c58bdc204d7b21ec
	187	mpc-$(MPC_VER).tar.gz_BLAKE2 = 76434e6f8830af3571836d51576bfebbc9701e9bbb5c4686f134081cd96cd90ae02f7ff42bf9e3957c7a7ba92b6b2d9cdabe18f0269271147521cd7f6a2d551c
	188
	189	install : $(TARGET)
	190
	191	check : $(patsubst %,$(DIR_CHK)/%,$(objects))
	192
	193	download :$(patsubst %,$(DIR_DL)/%,$(objects))
	194
	195	b2 : $(subst %,%_BLAKE2,$(objects))
	196
	197	###############################################################################
	198	# Downloading, checking, b2sum
	199	###############################################################################
	200
	201	$(patsubst %,$(DIR_CHK)/%,$(objects)) :
	202	@$(CHECK)
	203
	204	$(patsubst %,$(DIR_DL)/%,$(objects)) :
	205	@$(LOAD)
	206
	207	$(subst %,%_BLAKE2,$(objects)) :
	208	@$(B2SUM)
	209
	210	###############################################################################
	211	# Installation Details
	212	###############################################################################
	213
	214	$(TARGET) : $(patsubst %,$(DIR_DL)/%,$(objects))
	215	@$(PREBUILD)
	216	@rm -rf $(DIR_APP) $(DIR_SRC)/gcc-build && cd $(DIR_SRC) && tar axf $(DIR_DL)/$(DL_FILE)
	217	@mkdir $(DIR_SRC)/gcc-build
	218
	219	cd $(DIR_APP) && sed -i 's/install_to_$$(INSTALL_DEST) //' libiberty/Makefile.in
	220	cd $(DIR_APP) && sed -i gcc/Makefile.in \
	221	-e 's@\./fixinc\.sh@-c true@' \
	222	-e 's/^T_CFLAGS =$$/& -fomit-frame-pointer/'
	223
	224	ifeq "$(TOOLCHAIN)" "1"
	225	# Build gmp and mpfr internally in toolchain.
	226	cd $(DIR_APP) && tar xfa $(DIR_DL)/gmp-$(GMP_VER).tar.xz
	227	cd $(DIR_APP) && mv -v gmp-$(GMP_VER) gmp
	228	cd $(DIR_APP) && tar xfa $(DIR_DL)/mpfr-$(MPFR_VER).tar.xz
	229	cd $(DIR_APP) && mv -v mpfr-$(MPFR_VER) mpfr
	230	cd $(DIR_APP) && tar xfa $(DIR_DL)/mpc-$(MPC_VER).tar.gz
	231	cd $(DIR_APP) && mv -v mpc-$(MPC_VER) mpc
	232
	233	for file in $$(find $(DIR_APP)/gcc/config -name linux64.h -o -name linux.h \
	234	-o -name sysv4.h -o -name linux-eabi.h -o -name linux-elf.h -o -name aarch64-linux.h); do \
	235	echo "Processing $${file}..."; \
	236	sed -i $${file} \
	237	-e 's@/lib\(64\)\?\(32\)\?/ld@$(TOOLS_DIR)&@g' \
	238	-e 's@/usr@$(TOOLS_DIR)@g'; \
	239	echo '#undef STANDARD_STARTFILE_PREFIX_1' >> $${file}; \
	240	echo '#undef STANDARD_STARTFILE_PREFIX_2' >> $${file}; \
	241	echo '#define STANDARD_STARTFILE_PREFIX_1 "$(TOOLS_DIR)/lib/"' >> $${file}; \
	242	echo '#define STANDARD_STARTFILE_PREFIX_2 ""' >> $${file}; \
	243	done
	244	endif
	245
	246	ifeq "$(PASS)" "L"
	247	# libstdc++ pass
	248	cd $(DIR_SRC)/gcc-build && \
	249	$(EXTRA_ENV) \
	250	$(DIR_APP)/libstdc++-v3/configure \
	251	$(EXTRA_CONFIG)
	252	cd $(DIR_SRC)/gcc-build && make $(EXTRA_MAKE) $(MAKETUNING)
	253	cd $(DIR_SRC)/gcc-build && make $(EXTRA_INSTALL) install
	254	else
	255	ifeq "$(PASS)" "A"
	256	# libatomic pass
	257	cd $(DIR_SRC)/gcc-build && \
	258	$(EXTRA_ENV) \
	259	$(DIR_APP)/libatomic/configure \
	260	$(EXTRA_CONFIG)
	261	cd $(DIR_SRC)/gcc-build && make $(EXTRA_MAKE)
	262	cd $(DIR_SRC)/gcc-build && make $(EXTRA_INSTALL) install
	263	else
	264	# The actual build.
	265	cd $(DIR_SRC)/gcc-build && \
	266	$(EXTRA_ENV) \
	267	$(DIR_APP)/configure \
	268	$(EXTRA_CONFIG)
	269	cd $(DIR_SRC)/gcc-build && make $(EXTRA_MAKE) $(MAKETUNING)
	270	cd $(DIR_SRC)/gcc-build && make $(EXTRA_INSTALL) install
	271	endif
	272	endif
	273
	274	ifeq "$(TOOLCHAIN)" "1"
	275	ifeq "$(PASS)" "1"
	276	# Fix limits.h
	277	cd $(DIR_APP) && cat gcc/limitx.h gcc/glimits.h gcc/limity.h > \
	278	`dirname $$($(TOOLS_DIR)/bin/$(CROSSTARGET)-gcc -print-libgcc-file-name)`/include/limits.h
	279
	280	ln -svf libgcc.a $$($(TOOLS_DIR)/bin/$(CROSSTARGET)-gcc -print-libgcc-file-name \| sed 's/libgcc/&_eh/')
	281	endif
	282
	283	ifeq "$(PASS)" "2"
	284	ln -svf gcc $(TOOLS_DIR)/bin/cc
	285	# remove gdb python files from libdir
	286	rm -rf $(TOOLS_DIR)/lib/*-gdb.py
	287	endif
	288
	289	ifeq "$(PASS)" "L"
	290	# Workaround for https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70936
	291	sed -e "s/^#include_next/#include/" -i $(TOOLS_DIR)/$(CROSSTARGET)/include/c++/$(VER)/cstdlib
	292	endif
	293
	294	else # NON-TOOLCHAIN
	295	ln -svf ../usr/bin/cpp /lib
	296	ln -svf gcc /usr/bin/cc
	297	# remove gdb python files from libdir
	298	rm -rf /usr/lib/*-gdb.py
	299	endif
	300
	301	@rm -rf $(DIR_APP) $(DIR_SRC)/gcc-build
	302	@$(POSTBUILD)