From 1d13723e0a42a770aa4d421c9786d1429ab8d125 Mon Sep 17 00:00:00 2001
From: Andrei Karas <akaras@inbox.ru>
Date: Tue, 26 Apr 2016 02:18:35 +0300
Subject: Add configure flag --enable-werror

Enable it by default in some build scripts.
---
 configure.ac | 13 +++++++++++++
 1 file changed, 13 insertions(+)

(limited to 'configure.ac')

diff --git a/configure.ac b/configure.ac
index fa4964ed5..8f009883e 100755
--- a/configure.ac
+++ b/configure.ac
@@ -4,6 +4,19 @@ AM_INIT_AUTOMAKE([1.9])
 AC_CONFIG_HEADERS([config.h:config.h.in])
 AC_LANG_CPLUSPLUS
 
+# Enable -Werror
+AC_ARG_ENABLE(werror,
+[  --enable-werror    Fail build if warning present],
+[case "${enableval}" in
+  yes) werror_enabled=true
+ ;;
+  no)  werror_enabled=false
+ ;;
+  *) AC_MSG_ERROR(bad value ${enableval} for --enable-werror) ;;
+esac],[werror_enabled=false])
+
+AM_CONDITIONAL(ENABLE_WERROR, test x$werror_enabled = xtrue)
+
 # Checks for android.
 AC_ARG_ENABLE(androidbuild,
 [  --enable-androidbuild    Turn on android building],
-- 
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