>From c8e16e3517f8636e892bbab6ce7ff9373a8be90b Mon Sep 17 00:00:00 2001
From: Paul Eggert <address@hidden>
Date: Fri, 18 Oct 2019 11:40:05 -0700
Subject: [PATCH] port to picky older GCC

Older GCC and Clang generate bogus -Wtype-limits diagnostics.
Problem reported by Akim Demaille in:
https://lists.gnu.org/r/bug-bison/2019-10/msg00061.html
* configure.ac (warn_common): Add -Wno-type-limits.
---
 configure.ac | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index 0c1efde1..412574f7 100644
--- a/configure.ac
+++ b/configure.ac
@@ -96,7 +96,7 @@ AM_CONDITIONAL([ENABLE_GCC_WARNINGS], [test "$enable_gcc_warnings" = yes])
 if test "$enable_gcc_warnings" = yes; then
   warn_common='-Wall -Wextra -Wno-sign-compare -Wcast-align
     -fparse-all-comments -Wdocumentation
-    -Wformat -Wimplicit-fallthrough -Wnull-dereference
+    -Wformat -Wimplicit-fallthrough -Wno-type-limits -Wnull-dereference
     -Wpointer-arith -Wshadow
     -Wwrite-strings'
   warn_c='-Wbad-function-cast -Wstrict-prototypes'
-- 
2.14.2