Instead of having two different ways to pass flags to the gcc build process, add them as configure args, which is a reliable way to let gcc pass them around to its various pieces. Also add CXXFLAGS, since gcc started to use c++ for itself recently (~10 years ago now). Signed-off-by: Andre Heider <a.heider@gmail.com>
		
			
				
	
	
		
			227 lines
		
	
	
		
			6.6 KiB
		
	
	
	
		
			Makefile
		
	
	
	
	
	
			
		
		
	
	
			227 lines
		
	
	
		
			6.6 KiB
		
	
	
	
		
			Makefile
		
	
	
	
	
	
#
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# Copyright (C) 2002-2003 Erik Andersen <andersen@uclibc.org>
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# Copyright (C) 2004 Manuel Novoa III <mjn3@uclibc.org>
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# Copyright (C) 2005-2006 Felix Fietkau <nbd@nbd.name>
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# Copyright (C) 2006-2014 OpenWrt.org
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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include $(TOPDIR)/rules.mk
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PKG_NAME:=gcc
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GCC_VERSION:=$(call qstrip,$(CONFIG_GCC_VERSION))
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PKG_VERSION:=$(firstword $(subst +, ,$(GCC_VERSION)))
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GCC_MAJOR_VERSION:=$(word 1,$(subst ., ,$(PKG_VERSION)))
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GCC_DIR:=$(PKG_NAME)-$(PKG_VERSION)
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PKG_SOURCE_URL:=@GNU/gcc/gcc-$(PKG_VERSION)
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PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.xz
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ifeq ($(PKG_VERSION),11.3.0)
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  PKG_HASH:=b47cf2818691f5b1e21df2bb38c795fac2cfbd640ede2d0a5e1c89e338a3ac39
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endif
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ifeq ($(PKG_VERSION),12.2.0)
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  PKG_HASH:=e549cf9cf3594a00e27b6589d4322d70e0720cdd213f39beb4181e06926230ff
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endif
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PATCH_DIR=../patches-$(GCC_MAJOR_VERSION).x
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BUGURL=http://bugs.openwrt.org/
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PKGVERSION=OpenWrt GCC $(PKG_VERSION) $(REVISION)
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HOST_BUILD_PARALLEL:=1
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include $(INCLUDE_DIR)/toolchain-build.mk
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HOST_SOURCE_DIR:=$(HOST_BUILD_DIR)
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ifeq ($(GCC_VARIANT),minimal)
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  GCC_BUILD_DIR:=$(HOST_BUILD_DIR)-$(GCC_VARIANT)
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else
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  HOST_BUILD_DIR:=$(HOST_BUILD_DIR)-$(GCC_VARIANT)
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  GCC_BUILD_DIR:=$(HOST_BUILD_DIR)
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endif
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HOST_STAMP_PREPARED:=$(HOST_BUILD_DIR)/.prepared
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HOST_STAMP_BUILT:=$(GCC_BUILD_DIR)/.built
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HOST_STAMP_CONFIGURED:=$(GCC_BUILD_DIR)/.configured
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HOST_STAMP_INSTALLED:=$(HOST_BUILD_PREFIX)/stamp/.gcc_$(GCC_VARIANT)_installed
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SEP:=,
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TARGET_LANGUAGES:="c,c++$(if $(CONFIG_INSTALL_GFORTRAN),$(SEP)fortran)$(if $(CONFIG_INSTALL_GCCGO),$(SEP)go)"
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TAR_OPTIONS += \
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	--exclude-from='$(CURDIR)/../exclude-testsuite' --exclude=gcc/ada/*.ad* \
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	--exclude=libjava
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export libgcc_cv_fixed_point=no
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ifdef CONFIG_INSTALL_GCCGO
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  export libgo_cv_c_split_stack_supported=no
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endif
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ifdef CONFIG_GCC_USE_GRAPHITE
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  GRAPHITE_CONFIGURE:= --with-isl=$(STAGING_DIR_HOST)
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else
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  GRAPHITE_CONFIGURE:= --without-isl --without-cloog
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endif
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GCC_CONFIGURE:= \
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	SHELL="$(BASH)" \
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	$(HOST_SOURCE_DIR)/configure \
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		--with-bugurl=$(BUGURL) \
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		--with-pkgversion="$(PKGVERSION)" \
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		--prefix=$(TOOLCHAIN_DIR) \
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		--build=$(GNU_HOST_NAME) \
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		--host=$(GNU_HOST_NAME) \
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		--target=$(REAL_GNU_TARGET_NAME) \
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		--with-gnu-ld \
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		--enable-target-optspace \
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		--disable-libgomp \
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		--disable-libmudflap \
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		--disable-multilib \
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		--disable-libmpx \
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		--disable-nls \
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		--disable-libssp \
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		$(GRAPHITE_CONFIGURE) \
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		--with-host-libstdcxx=-lstdc++ \
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		$(SOFT_FLOAT_CONFIG_OPTION) \
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		$(call qstrip,$(CONFIG_EXTRA_GCC_CONFIG_OPTIONS)) \
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		$(if $(CONFIG_mips64)$(CONFIG_mips64el),--with-arch=mips64 \
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			--with-abi=$(call qstrip,$(CONFIG_MIPS64_ABI))) \
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		$(if $(CONFIG_arc),--with-cpu=$(CONFIG_CPU_TYPE)) \
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		$(if $(CONFIG_powerpc64), $(if $(CONFIG_USE_MUSL),--with-abi=elfv2)) \
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		--with-system-zlib=$(STAGING_DIR_HOST) \
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		--without-zstd \
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		--with-gmp=$(STAGING_DIR_HOST) \
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		--with-mpfr=$(STAGING_DIR_HOST) \
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		--with-mpc=$(STAGING_DIR_HOST) \
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		--disable-decimal-float \
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		--with-diagnostics-color=auto-if-env \
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		--enable-__cxa_atexit \
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		--enable-libstdcxx-dual-abi \
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		--with-default-libstdcxx-abi=new
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ifneq ($(CONFIG_mips)$(CONFIG_mipsel),)
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  GCC_CONFIGURE += --with-mips-plt
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endif
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ifneq ($(CONFIG_GCC_DEFAULT_PIE),)
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  GCC_CONFIGURE+= \
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		--enable-default-pie
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endif
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ifneq ($(CONFIG_GCC_DEFAULT_SSP),)
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  GCC_CONFIGURE+= \
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		--enable-default-ssp
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endif
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ifneq ($(CONFIG_EXTRA_TARGET_ARCH),)
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  GCC_CONFIGURE+= \
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		--enable-biarch \
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		--enable-targets=$(call qstrip,$(CONFIG_EXTRA_TARGET_ARCH_NAME))-linux-$(TARGET_SUFFIX)
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endif
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ifdef CONFIG_sparc
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  GCC_CONFIGURE+= \
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		--enable-targets=all \
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		--with-long-double-128
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endif
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ifneq ($(GCC_ARCH),)
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  GCC_CONFIGURE+= --with-arch=$(GCC_ARCH)
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endif
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ifeq ($(CONFIG_arm),y)
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  GCC_CONFIGURE+= \
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	--with-cpu=$(word 1, $(subst +," ,$(CONFIG_CPU_TYPE)))
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  ifneq ($(CONFIG_SOFT_FLOAT),y)
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    GCC_CONFIGURE+= \
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		--with-fpu=$(word 2, $(subst +, ",$(CONFIG_CPU_TYPE))) \
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		--with-float=hard
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  endif
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  # Do not let TARGET_CFLAGS get poisoned by extra CPU optimization flags
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  # that do not belong here. The cpu,fpu type should be specified via
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  # --with-cpu and --with-fpu for ARM and not CFLAGS.
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  TARGET_CFLAGS:=$(filter-out -m%,$(call qstrip,$(TARGET_CFLAGS)))
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endif
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ifeq ($(CONFIG_TARGET_x86)$(CONFIG_USE_GLIBC)$(CONFIG_INSTALL_GCCGO),yyy)
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  TARGET_CFLAGS+=-fno-split-stack
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endif
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CFLAGS:=$(HOST_CFLAGS) -pipe
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ifneq ($(shell gcc --version 2>&1 | grep -E "Apple.(LLVM|clang)"),)
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  CFLAGS+= -fbracket-depth=512
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endif
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GCC_CONFIGURE+= \
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	CFLAGS="$(CFLAGS)" \
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	CXXFLAGS="$(CFLAGS)" \
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	CFLAGS_FOR_TARGET="$(TARGET_CFLAGS)" \
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	CXXFLAGS_FOR_TARGET="$(TARGET_CFLAGS)" \
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	GOCFLAGS_FOR_TARGET="$(TARGET_CFLAGS)"
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GCC_MAKE:= \
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	export SHELL="$(BASH)"; \
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	$(MAKE)
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define Host/SetToolchainInfo
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	$(SED) 's,TARGET_CROSS=.*,TARGET_CROSS=$(REAL_GNU_TARGET_NAME)-,' $(TOOLCHAIN_DIR)/info.mk
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	$(SED) 's,GCC_VERSION=.*,GCC_VERSION=$(GCC_VERSION),' $(TOOLCHAIN_DIR)/info.mk
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endef
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ifeq ($(GCC_MAJOR_VERSION),12)
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	GCC_VERSION_FILE:=gcc/genversion.cc
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else
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	GCC_VERSION_FILE:=gcc/version.c
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endif
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ifneq ($(GCC_PREPARE),)
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  define Host/Prepare
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	$(call Host/SetToolchainInfo)
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	$(call Host/Prepare/Default)
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	ln -snf $(GCC_DIR) $(BUILD_DIR_TOOLCHAIN)/$(PKG_NAME)
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	$(CP) $(SCRIPT_DIR)/config.{guess,sub} $(HOST_SOURCE_DIR)/
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	$(SED) 's,^MULTILIB_OSDIRNAMES,# MULTILIB_OSDIRNAMES,' $(HOST_SOURCE_DIR)/gcc/config/*/t-*
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	$(SED) 'd' $(HOST_SOURCE_DIR)/gcc/DEV-PHASE
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	$(SED) 's, DATESTAMP,,' $(HOST_SOURCE_DIR)/$(GCC_VERSION_FILE)
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	$(SED) 's,gcc_no_link=yes,gcc_no_link=no,' $(HOST_SOURCE_DIR)/libstdc++-v3/configure
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	mkdir -p $(GCC_BUILD_DIR)
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  endef
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else
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  define Host/Prepare
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	mkdir -p $(GCC_BUILD_DIR)
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  endef
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endif
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define Host/Configure
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	(cd $(GCC_BUILD_DIR) && rm -f config.cache; \
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		$(GCC_CONFIGURE) \
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	);
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endef
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define Host/Clean
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	rm -rf $(if $(GCC_PREPARE),$(HOST_SOURCE_DIR)) \
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		$(HOST_BUILD_PREFIX)/stamp/.gcc_* \
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		$(HOST_BUILD_PREFIX)/stamp/.binutils_* \
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		$(GCC_BUILD_DIR) \
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		$(BUILD_DIR_TOOLCHAIN)/$(PKG_NAME) \
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		$(TOOLCHAIN_DIR)/$(REAL_GNU_TARGET_NAME) \
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		$(TOOLCHAIN_DIR)/bin/$(REAL_GNU_TARGET_NAME)-gc* \
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		$(TOOLCHAIN_DIR)/bin/$(REAL_GNU_TARGET_NAME)-c*
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endef
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