gcc: do not delete DATESTAMP and DEV-PHASE version info (fixes __GLIBCXX__ definition)

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@37179 3c298f89-4303-0410-b956-a3cf2f4a3e73

toolchain/gcc/minimal/Makefile

@@ -21,8 +21,6 @@ define Host/Prepare
 	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) 'd' $(HOST_BUILD_DIR)/gcc/DATESTAMP
-	$(SED) 'd' $(HOST_BUILD_DIR)/gcc/DEV-PHASE
 	#(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)