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openwrtv4/toolchain/gcc/common.mk
John Crispin 7b821a5ae8 toolchain: add support of ARCv2 architecture 
This change adds support of ARC ISAv2 processors in
OpenWRT toolchain.

In general gcc for ARC may compile code for both ISA versions
simultaneously but libgcc will be built only for default
architecture that's why it's necessary to specify --with-cpu
on gcc configuration.

As for uClibc we need to use different configurations for
different ARC ISAs.

Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
Cc: Felix Fietkau <nbd@openwrt.org>
Cc: Jo-Philipp Wich <jow@openwrt.org>
Cc: Jonas Gorski <jogo@openwrt.org>

SVN-Revision: 48739
2016-02-18 08:22:17 +00:00

192 lines
5.3 KiB
Makefile
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#
# Copyright (C) 2002-2003 Erik Andersen <andersen@uclibc.org>
# Copyright (C) 2004 Manuel Novoa III <mjn3@uclibc.org>
# Copyright (C) 2005-2006 Felix Fietkau <nbd@openwrt.org>
# Copyright (C) 2006-2014 OpenWrt.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
include $(TOPDIR)/rules.mk
PKG_NAME:=gcc
GCC_VERSION:=$(call qstrip,$(CONFIG_GCC_VERSION))
PKG_VERSION:=$(firstword $(subst +, ,$(GCC_VERSION)))
GCC_DIR:=$(PKG_NAME)-$(PKG_VERSION)
PKG_SOURCE_URL:=@GNU/gcc/gcc-$(PKG_VERSION)
PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.bz2
ifeq ($(PKG_VERSION),5.2.0)
PKG_MD5SUM:=a51bcfeb3da7dd4c623e27207ed43467
endif
ifneq ($(CONFIG_GCC_VERSION_4_8_ARC),)
PKG_VERSION:=4.8.4
PKG_SOURCE_URL:=https://github.com/foss-for-synopsys-dwc-arc-processors/gcc/archive/arc-2015.06
PKG_SOURCE:=$(PKG_NAME)-$(GCC_VERSION).tar.gz
PKG_MD5SUM:=25007ebb02a5f6c32532b103bb5984a0
PKG_REV:=2015.06
GCC_DIR:=gcc-arc-$(PKG_REV)
HOST_BUILD_DIR = $(BUILD_DIR_HOST)/$(PKG_NAME)-$(GCC_VERSION)
endif
PATCH_DIR=../patches/$(GCC_VERSION)
BUGURL=https://dev.openwrt.org/
ifeq ($(findstring linaro, $(CONFIG_GCC_VERSION)),linaro)
PKGVERSION=OpenWrt/Linaro GCC $(PKG_REV) $(REVISION)
else
PKGVERSION=OpenWrt GCC $(PKG_VERSION) $(REVISION)
endif
HOST_BUILD_PARALLEL:=1
include $(INCLUDE_DIR)/toolchain-build.mk
HOST_SOURCE_DIR:=$(HOST_BUILD_DIR)
ifeq ($(GCC_VARIANT),minimal)
GCC_BUILD_DIR:=$(HOST_BUILD_DIR)-$(GCC_VARIANT)
else
HOST_BUILD_DIR:=$(HOST_BUILD_DIR)-$(GCC_VARIANT)
GCC_BUILD_DIR:=$(HOST_BUILD_DIR)
endif
HOST_STAMP_PREPARED:=$(HOST_BUILD_DIR)/.prepared
HOST_STAMP_BUILT:=$(GCC_BUILD_DIR)/.built
HOST_STAMP_CONFIGURED:=$(GCC_BUILD_DIR)/.configured
HOST_STAMP_INSTALLED:=$(STAGING_DIR_HOST)/stamp/.gcc_$(GCC_VARIANT)_installed
SEP:=,
TARGET_LANGUAGES:="c,c++$(if $(CONFIG_INSTALL_LIBGCJ),$(SEP)java)$(if $(CONFIG_INSTALL_GFORTRAN),$(SEP)fortran)"
export libgcc_cv_fixed_point=no
ifdef CONFIG_USE_UCLIBC
export glibcxx_cv_c99_math_tr1=no
endif
ifdef CONFIG_GCC_USE_GRAPHITE
ifdef CONFIG_GCC_VERSION_4_8
GRAPHITE_CONFIGURE=--with-cloog=$(REAL_STAGING_DIR_HOST)
else
GRAPHITE_CONFIGURE=--with-isl=$(REAL_STAGING_DIR_HOST)
endif
else
GRAPHITE_CONFIGURE=--without-isl --without-cloog
endif
GCC_CONFIGURE:= \
SHELL="$(BASH)" \
$(if $(shell gcc --version 2>&1 | grep LLVM), \
CFLAGS="-O2 -fbracket-depth=512 -pipe" \
CXXFLAGS="-O2 -fbracket-depth=512 -pipe" \
) \
$(HOST_SOURCE_DIR)/configure \
--with-bugurl=$(BUGURL) \
--with-pkgversion="$(PKGVERSION)" \
--prefix=$(TOOLCHAIN_DIR) \
--build=$(GNU_HOST_NAME) \
--host=$(GNU_HOST_NAME) \
--target=$(REAL_GNU_TARGET_NAME) \
--with-gnu-ld \
--enable-target-optspace \
--disable-libgomp \
--disable-libmudflap \
--disable-multilib \
--disable-nls \
$(GRAPHITE_CONFIGURE) \
--with-host-libstdcxx=-lstdc++ \
$(SOFT_FLOAT_CONFIG_OPTION) \
$(call qstrip,$(CONFIG_EXTRA_GCC_CONFIG_OPTIONS)) \
$(if $(CONFIG_mips64)$(CONFIG_mips64el),--with-arch=mips64 \
--with-abi=$(call qstrip,$(CONFIG_MIPS64_ABI))) \
$(if $(CONFIG_arc),--with-cpu=$(CONFIG_CPU_TYPE)) \
--with-gmp=$(TOPDIR)/staging_dir/host \
--with-mpfr=$(TOPDIR)/staging_dir/host \
--with-mpc=$(TOPDIR)/staging_dir/host \
--disable-decimal-float
ifneq ($(CONFIG_mips)$(CONFIG_mipsel),)
GCC_CONFIGURE += --with-mips-plt
endif
ifndef GCC_VERSION_4_8
GCC_CONFIGURE += --with-diagnostics-color=auto-if-env
endif
ifneq ($(CONFIG_SSP_SUPPORT),)
GCC_CONFIGURE+= \
--enable-libssp
else
GCC_CONFIGURE+= \
--disable-libssp
endif
ifneq ($(CONFIG_EXTRA_TARGET_ARCH),)
GCC_CONFIGURE+= \
--enable-biarch \
--enable-targets=$(call qstrip,$(CONFIG_EXTRA_TARGET_ARCH_NAME))-linux-$(TARGET_SUFFIX)
endif
ifdef CONFIG_sparc
GCC_CONFIGURE+= \
--enable-targets=all \
--with-long-double-128
endif
ifeq ($(LIBC),uClibc)
GCC_CONFIGURE+= \
--disable-__cxa_atexit
else
GCC_CONFIGURE+= \
--enable-__cxa_atexit
endif
ifneq ($(GCC_ARCH),)
GCC_CONFIGURE+= --with-arch=$(GCC_ARCH)
endif
ifneq ($(CONFIG_SOFT_FLOAT),y)
ifeq ($(CONFIG_arm),y)
GCC_CONFIGURE+= \
--with-float=hard
endif
endif
GCC_MAKE:= \
export SHELL="$(BASH)"; \
$(MAKE) \
CFLAGS="$(HOST_CFLAGS)" \
CFLAGS_FOR_TARGET="$(TARGET_CFLAGS)" \
CXXFLAGS_FOR_TARGET="$(TARGET_CFLAGS)"
define Host/Prepare
mkdir -p $(GCC_BUILD_DIR)
endef
define Host/Configure
(cd $(GCC_BUILD_DIR) && rm -f config.cache; \
$(GCC_CONFIGURE) \
);
endef
define Host/Clean
rm -rf \
$(STAGING_DIR_HOST)/stamp/.gcc_* \
$(STAGING_DIR_HOST)/stamp/.binutils_* \
$(GCC_BUILD_DIR) \
$(BUILD_DIR_TOOLCHAIN)/$(PKG_NAME) \
$(TOOLCHAIN_DIR)/$(REAL_GNU_TARGET_NAME) \
$(TOOLCHAIN_DIR)/bin/$(REAL_GNU_TARGET_NAME)-gc* \
$(TOOLCHAIN_DIR)/bin/$(REAL_GNU_TARGET_NAME)-c*
endef
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