diff --git a/git-compat-util.h b/git-compat-util.h
index a06d4f3809..e283c46c6f 100644
--- a/git-compat-util.h
+++ b/git-compat-util.h
@@ -44,6 +44,16 @@ struct strbuf;
  #define GIT_GNUC_PREREQ(maj, min) 0
 #endif
 
+#if defined(__GNUC__) || defined(__clang__)
+#  define PRAGMA(pragma)           _Pragma(#pragma)
+#  define DISABLE_WARNING(warning) PRAGMA(GCC diagnostic ignored #warning)
+#else
+#  define DISABLE_WARNING(warning)
+#endif
+
+#ifdef DISABLE_SIGN_COMPARE_WARNINGS
+DISABLE_WARNING(-Wsign-compare)
+#endif
 
 #ifndef FLEX_ARRAY
 /*