+# 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 $(TOPDIR)/rules.mk
-include ./gcc-uclibc-3.x.mk
+PKG_NAME:=gcc
+PKG_VERSION:=$(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)
+
+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
-source: gcc-source
-prepare: gcc_initial
-compile: $(GCC_BUILD_DIR2)/.compiled
-install: gcc-install
-clean: gcc_initial-clean gcc-clean
+$(eval $(call HostBuild))
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