Index: pacemaker-1.1.14+git20160503.9e38256/configure.ac
===================================================================
--- pacemaker-1.1.14+git20160503.9e38256.orig/configure.ac
+++ pacemaker-1.1.14+git20160503.9e38256/configure.ac
@@ -1792,12 +1792,12 @@ dnl otherwise none of both
                 AC_DEFINE([GCC_FORMAT_NONLITERAL_CHECKING_ENABLED], [],
 			[gcc can complain about nonliterals in format])
                 EXTRA_FLAGS="$EXTRA_FLAGS
-                        -Wformat=2 
+                        -Wformat=2 -Wno-format-signedness
                         -Wformat-nonliteral"
         else
                 if test "x$gcc_format_nonliteral" = "xyes"; then
                         EXTRA_FLAGS="$EXTRA_FLAGS
-                        -Wformat=2"
+                        -Wformat=2 -Wno-format-signedness"
                 fi
         fi