--- /dev/null
+Index: gnulib/Makefile.am
+===================================================================
+--- gnulib/Makefile.am (revision 5691)
++++ gnulib/Makefile.am (working copy)
+@@ -26,6 +26,9 @@
+ MAINTAINERCLEANFILES =
+
+ AM_CPPFLAGS =
++if GCC_COMPILER
++ AM_CFLAGS = -Wno-error -Wno-sign-compare
++endif
+
+ noinst_LTLIBRARIES += libgnu.la
+