gcc: split up the build process into three distinct stages (minimal, initial, final), to clean up the dependency handling nastiness and to improve support for rebuilding parts of the toolchain

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@22319 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 46 insertions, 0 deletions

diff --git a/toolchain/gcc/minimal/Makefile b/toolchain/gcc/minimal/Makefile
new file mode 100644
index 000000000..9b978deda
--- /dev/null
+++ b/toolchain/gcc/minimal/Makefile
@@ -0,0 +1,46 @@
+GCC_VARIANT:=minimal
+
+include ../common.mk
+
+GCC_CONFIGURE += \
+	--with-newlib \
+	--without-headers \
+	--enable-languages=c \
+	--disable-libssp \
+	--disable-shared \
+	--disable-threads
+
+define Host/SetToolchainInfo
+	$(SED) 's,TARGET_CROSS=.*,TARGET_CROSS=$(REAL_GNU_TARGET_NAME)-,' $(TOOLCHAIN_DIR)/info.mk
+	$(SED) 's,GCC_VERSION=.*,GCC_VERSION=$(GCC_VERSION),' $(TOOLCHAIN_DIR)/info.mk
+endef
+
+define Host/Prepare
+	$(call Host/SetToolchainInfo)
+	$(call Host/Prepare/Default)
+	ln -snf $(GCC_DIR) $(BUILD_DIR_TOOLCHAIN)/$(PKG_NAME)
+	$(CP) $(SCRIPT_DIR)/config.{guess,sub} $(HOST_BUILD_DIR)/
+	$(SED) 's,^MULTILIB_OSDIRNAMES,# MULTILIB_OSDIRNAMES,' $(HOST_BUILD_DIR)/gcc/config/*/t-*
+	$(SED) 's,\(version_string.. = "[0-9\.]*\).*\(";\),\1 (OpenWrt-2.0)\2,' $(HOST_BUILD_DIR)/gcc/version.c
+	$(SED) 's,\(bug_report_url.. = "\).*\(";\),\1<URL:$(BUGURL)>\2,' $(HOST_BUILD_DIR)/gcc/version.c
+	$(SED) 's,http://gcc.gnu.org/bugs.html,$(BUGURL),' $(HOST_BUILD_DIR)/gcc/configure
+	#(cd $(HOST_BUILD_DIR)/libstdc++-v3; autoconf;);
+	$(SED) 's,gcc_no_link=yes,gcc_no_link=no,' $(HOST_BUILD_DIR)/libstdc++-v3/configure
+	mkdir -p $(GCC_BUILD_DIR)
+endef
+
+define Host/Compile
+	$(GCC_MAKE) -C $(GCC_BUILD_DIR) all-gcc
+endef
+
+define Host/Install
+	$(GCC_MAKE) -C $(GCC_BUILD_DIR) install-gcc
+endef
+
+define Host/Clean
+	rm -rf \
+		$(HOST_BUILD_DIR) \
+		$(GCC_BUILD_DIR)
+endef
+
+$(eval $(call HostBuild))