From dd147bdacac5416676cb05302a69c8e0d493558b Mon Sep 17 00:00:00 2001
From: Masamichi Hosoda <trueroad@trueroad.jp>
Date: Sun, 25 Sep 2016 02:12:26 +0900
Subject: [PATCH v2] Fix g++ C++11 option

`-std=c++11` disables "default" definitions.
So some definitions cannot be used.

This patch define _BSD_SOURCE (deprecated since glibc 2.20)
and _DEFAULT_SOURCE (since glibc 2.19)
for enabling "default" definitions.

bug 97915
---
 configure.ac | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index 9ce36e1..f99153f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -85,7 +85,7 @@ AC_ARG_ENABLE(build-type,
               enable_build_type=no)
 
 if test "x$GCC" = "xyes"; then
-    CXXFLAGS="-std=c++11 $CXXFLAGS"
+    CXXFLAGS="-std=c++11 -D_BSD_SOURCE -D_DEFAULT_SOURCE $CXXFLAGS"
     case "$enable_build_type" in
     relwithdebinfo)
         CFLAGS="-O2 -g $CFLAGS"
-- 
2.8.3