From 32be621f52f2e1686db88baa7b01dc1ae338f426 Mon Sep 17 00:00:00 2001
From: Lasse Collin <lasse.collin@tukaani.org>
Date: Sat, 27 Apr 2013 22:07:46 +0300
Subject: [PATCH] Build: Use -Wvla with GCC if supported.

Variable-length arrays are mandatory in C99 but optional in C11.
The code doesn't currently use any VLAs and it shouldn't in the
future either to stay compatible with C11 without requiring any
optional C11 features.
---
 configure.ac | 1 +
 1 file changed, 1 insertion(+)

diff --git a/configure.ac b/configure.ac
index 550f0e9f..d80ec6fe 100644
--- a/configure.ac
+++ b/configure.ac
@@ -560,6 +560,7 @@ if test "$GCC" = yes ; then
 	for NEW_FLAG in \
 			-Wall \
 			-Wextra \
+			-Wvla \
 			-Wformat=2 \
 			-Winit-self \
 			-Wmissing-include-dirs \