gcc-static is unnecessarily rebuilt each time make is invoked due to an incorrect filename extension in the Makefile target definition. Patch follows:

diff –git a/Makefile b/Makefile
index 4ab3882..568739d 100644
— a/Makefile
+++ b/Makefile
@@ -173,10 +173,10 @@ binutils-distclean: binutils-clean


# GCC-STATIC
-$(WORK)/gcc-$(GCC_VERSION).tar.bz2:
+$(WORK)/gcc-$(GCC_VERSION).tar.xz:

      wget -P $(WORK) -c ftp://gcc.gnu.org/pub/gcc/releases/gcc-$(GCC_VERSION)/gcc-$(GCC_VERSION).tar.xz

-$(WORK)/gcc-$(GCC_VERSION): $(WORK)/gcc-$(GCC_VERSION).tar.bz2
+$(WORK)/gcc-$(GCC_VERSION): $(WORK)/gcc-$(GCC_VERSION).tar.xz

      tar -C $(WORK) -xf $(WORK)/gcc-$(GCC_VERSION).tar.xz
      touch $(WORK)/gcc-$(GCC_VERSION)