From 4984cc93db6b55f2420a9abd844c074a5fb4ed0c Mon Sep 17 00:00:00 2001
From: Andre Heinecke <aheinecke@intevation.de>
Date: Wed, 5 Oct 2016 16:55:14 +0200
Subject: [PATCH] Add warning flags for c++ compiler, too

* configure.ac (CXXFLAGS): Add Wall and Wextra.
---
 configure.ac | 1 +
 1 file changed, 1 insertion(+)

diff --git a/configure.ac b/configure.ac
index efa1f19c..114225ad 100644
--- a/configure.ac
+++ b/configure.ac
@@ -588,6 +588,7 @@ if test "$GCC" = yes; then
           CFLAGS="$CFLAGS -Wno-missing-field-initializers"
           CFLAGS="$CFLAGS -Wno-sign-compare"
         fi
+        CXXFLAGS="$CXXFLAGS -Wall -Wextra -Wno-shadow"
 
         AC_MSG_CHECKING([if gcc supports -Wpointer-arith])
         _gcc_cflags_save=$CFLAGS