+PKG_NAME:=gcc
+PKG_VERSION:=$(strip $(subst ",, $(CONFIG_GCC_VERSION)))#"))
+
+ifeq ($(PKG_VERSION),4.2)
+PKG_VERSION:=20060709
+PKG_SOURCE_URL:=http://downloads.openwrt.org/sources
+PATCH_DIR=./patches/4.2
+else
+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)
+endif
+
+PKG_SOURCE:=gcc-$(PKG_VERSION).tar.bz2
+PKG_MD5SUM:=unknown
+PKG_CAT:=bzcat
+
+PKG_BUILD_DIR:=$(TOOLCHAIN_BUILD_DIR)/gcc-$(PKG_VERSION)
+
+TARGET_LANGUAGES:=c
+ifeq ($(CONFIG_INSTALL_LIBSTDCPP),y)
+TARGET_LANGUAGES:=$(TARGET_LANGUAGES),c++
+endif
+ifeq ($(CONFIG_INSTALL_LIBGCJ),y)
+TARGET_LANGUAGES:=$(TARGET_LANGUAGES),java
+endif
+
+include $(INCLUDE_DIR)/host-build.mk
+
+BUILD_DIR1:=$(TOOLCHAIN_BUILD_DIR)/gcc-$(PKG_VERSION)-initial
+BUILD_DIR2:=$(TOOLCHAIN_BUILD_DIR)/gcc-$(PKG_VERSION)-final
+
+define Stage1/Configure
+ mkdir -p $(BUILD_DIR1)
+ (cd $(BUILD_DIR1); rm -f config.cache; \
+ SHELL="$(BASH)" \
+ $(PKG_BUILD_DIR)/configure \
+ --prefix=$(STAGING_DIR) \
+ --build=$(GNU_HOST_NAME) \
+ --host=$(GNU_HOST_NAME) \
+ --target=$(REAL_GNU_TARGET_NAME) \
+ --enable-languages=c \
+ --disable-shared \
+ --with-sysroot=$(TOOLCHAIN_BUILD_DIR)/uClibc_dev/ \
+ --disable-__cxa_atexit \
+ --enable-target-optspace \
+ --with-gnu-ld \
+ --disable-nls \
+ );
+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)
+ # Important! Required for limits.h to be fixed.
+ rm -rf $(STAGING_DIR)/$(REAL_GNU_TARGET_NAME)/sys-include
+ ln -sf ../include $(STAGING_DIR)/$(REAL_GNU_TARGET_NAME)/sys-include
+ rm -rf $(STAGING_DIR)/$(REAL_GNU_TARGET_NAME)/lib
+ ln -sf ../lib $(STAGING_DIR)/$(REAL_GNU_TARGET_NAME)/lib
+ (cd $(BUILD_DIR2); rm -f config.cache; \
+ SHELL="$(BASH)" \
+ $(PKG_BUILD_DIR)/configure \
+ --prefix=$(STAGING_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 \
+ );
+endef
+define Stage2/Compile
+ export SHELL="$(BASH)"; $(MAKE) -C $(BUILD_DIR2) all
+endef
+define Stage2/Install
+ export SHELL="$(BASH)"; $(MAKE) -C $(BUILD_DIR2) install
+ echo $(PKG_VERSION) > $(STAGING_DIR)/gcc_version
+ # Set up the symlinks to enable lying about target name.
+ set -e; \
+ (cd $(STAGING_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; \
+ );
+endef
+
+define Build/Prepare
+ $(call Build/Prepare/Default)
+ $(SCRIPT_DIR)/patch-kernel.sh $(PKG_BUILD_DIR) $(PATCH_DIR) \*.patch
+ $(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;);
+endef
+
+define Build/Configure
+ $(call Stage1/Configure)
+endef
+
+define Build/Compile
+ $(call Stage1/Compile)
+ $(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)
+ rm -rf $(BUILD_DIR1)
+ rm -rf $(BUILD_DIR2)
+ rm -f $(STAGING_DIR)/bin/$(REAL_GNU_TARGET_NAME)-gc*
+ rm -f $(STAGING_DIR)/bin/$(REAL_GNU_TARGET_NAME)-c*
+endef