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# 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>
# Copyright (C) 2005-2006 Felix Fietkau <nbd@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 $(TOPDIR)/rules.mk
PKG_NAME:=gcc
PKG_VERSION:=$(call qstrip,$(CONFIG_GCC_VERSION))
PATCH_DIR=./patches/$(PKG_VERSION)
PKG_SOURCE_URL:=ftp://ftp.fu-berlin.de/unix/languages/gcc/releases/gcc-$(PKG_VERSION) \
http://mirrors.rcn.net/pub/sourceware/gcc/releases/gcc-$(PKG_VERSION) \
ftp://ftp.gnu.org/gnu/gcc/releases/gcc-$(PKG_VERSION)
PKG_SOURCE:=gcc-$(PKG_VERSION).tar.bz2
STAGING_DIR_HOST:=$(TOOLCHAIN_DIR)
BUILD_DIR_HOST:=$(BUILD_DIR_TOOLCHAIN)
override CONFIG_AUTOREBUILD=
include $(INCLUDE_DIR)/host-build.mk
STAMP_BUILT:=$(TOOLCHAIN_DIR)/stamp/.gcc-initial_installed
BUILD_DIR1:=$(BUILD_DIR_HOST)/gcc-$(PKG_VERSION)-initial
BUILD_DIR2:=$(BUILD_DIR_HOST)/gcc-$(PKG_VERSION)-final
SEP:=,
TARGET_LANGUAGES:="c$(if $(CONFIG_INSTALL_LIBSTDCPP),$(SEP)c++)$(if $(CONFIG_INSTALL_LIBGCJ),$(SEP)java)"
ifeq ($(CONFIG_SSP_SUPPORT),y)
SSP:=--enable-ssp
else
SSP:=--disable-ssp
endif
EXTRA_TARGET=$(if $(CONFIG_EXTRA_TARGET_ARCH),--enable-biarch --enable-targets=$(call qstrip,$(CONFIG_EXTRA_TARGET_ARCH_NAME))-linux-uclibc)
define Stage1/Configure
$(SED) 's,TARGET_CROSS=.*,TARGET_CROSS=$(REAL_GNU_TARGET_NAME)-,' $(TOOLCHAIN_DIR)/info.mk
$(SED) 's,GCC_VERSION=.*,GCC_VERSION=$(PKG_VERSION),' $(TOOLCHAIN_DIR)/info.mk
mkdir -p $(BUILD_DIR1)
(cd $(BUILD_DIR1); rm -f config.cache; \
SHELL="$(BASH)" \
$(PKG_BUILD_DIR)/configure \
--prefix=$(TOOLCHAIN_DIR) \
--build=$(GNU_HOST_NAME) \
--host=$(GNU_HOST_NAME) \
--target=$(REAL_GNU_TARGET_NAME) \
--enable-languages=c \
--disable-shared \
--with-sysroot=$(BUILD_DIR_HOST)/uClibc_dev/ \
--disable-__cxa_atexit \
--enable-target-optspace \
--with-gnu-ld \
--disable-nls \
--disable-libmudflap \
--disable-multilib \
$(SSP) \
$(EXTRA_TARGET) \
$(SOFT_FLOAT_CONFIG_OPTION) \
$(call qstrip,$(CONFIG_EXTRA_GCC_CONFIG_OPTIONS)) \
);
endef
define Stage1/Compile
export SHELL="$(BASH)"; $(MAKE) -C $(BUILD_DIR1) all-gcc
endef
define Stage1/Install
export SHELL="$(BASH)"; $(MAKE) -C $(BUILD_DIR1) install-gcc
endef
define Stage2/Configure
mkdir -p $(BUILD_DIR2) $(TOOLCHAIN_DIR)/$(REAL_GNU_TARGET_NAME)
# Important! Required for limits.h to be fixed.
rm -rf $(TOOLCHAIN_DIR)/$(REAL_GNU_TARGET_NAME)/sys-include
ln -sf ../include $(TOOLCHAIN_DIR)/$(REAL_GNU_TARGET_NAME)/sys-include
rm -rf $(TOOLCHAIN_DIR)/$(REAL_GNU_TARGET_NAME)/lib
ln -sf ../lib $(TOOLCHAIN_DIR)/$(REAL_GNU_TARGET_NAME)/lib
(cd $(BUILD_DIR2); rm -f config.cache; \
SHELL="$(BASH)" \
$(PKG_BUILD_DIR)/configure \
--prefix=$(TOOLCHAIN_DIR) \
--build=$(GNU_HOST_NAME) \
--host=$(GNU_HOST_NAME) \
--target=$(REAL_GNU_TARGET_NAME) \
--enable-languages=$(TARGET_LANGUAGES) \
--enable-shared \
--disable-__cxa_atexit \
--enable-target-optspace \
--with-gnu-ld \
--disable-nls \
--disable-libmudflap \
--disable-multilib \
$(SSP) \
$(EXTRA_TARGET) \
$(SOFT_FLOAT_CONFIG_OPTION) \
$(call qstrip,$(CONFIG_EXTRA_GCC_CONFIG_OPTIONS)) \
);
endef
define Stage2/Compile
export SHELL="\$(BASH)"; \$(MAKE) -C \$(BUILD_DIR2) all
endef
define SetupExtraArch
for app in $(TOOLCHAIN_DIR)/bin/$(OPTIMIZE_FOR_CPU)*-{gcc,gcc-*,g++}; do \
[ -e $$$$app ] || continue; \
old_base=$$$$(basename $$$$app); \
new_base=$(call qstrip,$(CONFIG_EXTRA_TARGET_ARCH_NAME))-$$$${old_base##$(OPTIMIZE_FOR_CPU)-}; \
sed -e "s/@CC_BASE@/$$$$old_base/" \
-e 's/@EXTRA_ARCH_OPTS@/$(call qstrip,$(CONFIG_EXTRA_TARGET_ARCH_OPTS))/' \
./files/alternate-arch-cc.in > \
$(TOOLCHAIN_DIR)/bin/$$$$new_base; \
chmod a+x $(TOOLCHAIN_DIR)/bin/$$$$new_base; \
done
endef
define Stage2/Install
$(MAKE) -C $(BUILD_DIR2) \
SHELL="$(BASH)" \
install
# Set up the symlinks to enable lying about target name.
set -e; \
(cd $(TOOLCHAIN_DIR); \
ln -sf $(REAL_GNU_TARGET_NAME) $(GNU_TARGET_NAME); \
cd bin; \
for app in $(REAL_GNU_TARGET_NAME)-* ; do \
ln -sf $$$${app} \
$(GNU_TARGET_NAME)$$$${app##$(REAL_GNU_TARGET_NAME)}; \
done; \
);
$(if $(CONFIG_EXTRA_TARGET_ARCH),$(call SetupExtraArch))
endef
define Build/Prepare
$(call Build/Prepare/Default)
$(SED) 's,\(version_string.. = "[0-9\.]*\).*\(";\),\1 (OpenWrt-2.0)\2,' $(PKG_BUILD_DIR)/gcc/version.c
$(SED) 's,\(bug_report_url.. = "\).*\(";\),\1<URL:https://dev.openwrt.org/>\2,' $(PKG_BUILD_DIR)/gcc/version.c
(cd $(PKG_BUILD_DIR)/libstdc++-v3; autoconf;);
$(SED) 's,gcc_no_link=yes,gcc_no_link=no,' $(PKG_BUILD_DIR)/libstdc++-v3/configure
endef
define Build/Configure
$(call Stage1/Configure)
endef
define Build/Compile
$(call Stage1/Compile)
$(if $(wildcard $(TOOLCHAIN_DIR)/bin/$(GNU_TARGET_NAME)-gcc),,$(call Stage1/Install))
endef
define Build/Install
$(call Stage2/Configure)
$(call Stage2/Compile)
$(call Stage2/Install)
endef
define Build/Clean
rm -rf \
$(PKG_BUILD_DIR) \
$(BUILD_DIR1) \
$(BUILD_DIR2) \
$(TOOLCHAIN_DIR)/$(REAL_GNU_TARGET_NAME) \
$(TOOLCHAIN_DIR)/bin/$(REAL_GNU_TARGET_NAME)-gc* \
$(TOOLCHAIN_DIR)/bin/$(REAL_GNU_TARGET_NAME)-c*
endef
$(eval $(call HostBuild))
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