From 864a4db26bfa7ec05de936e9446d29bf8e58fc58 Mon Sep 17 00:00:00 2001
From: Enrico Forestieri <forenr@lyx.org>
Date: Wed, 9 Sep 2015 02:34:18 +0200
Subject: [PATCH] On cygwin, use -std=gnu++11 instead of -std=c++11

This allows compiling without monkeying with compiler guards.
---
 config/lyxinclude.m4 | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/config/lyxinclude.m4 b/config/lyxinclude.m4
index 057caf491c..3a0a6f34c7 100644
--- a/config/lyxinclude.m4
+++ b/config/lyxinclude.m4
@@ -362,8 +362,9 @@ if test x$GXX = xyes; then
 	dnl the deprecated-register warning is very annoying with Qt4.x right now.
         AM_CXXFLAGS="$AM_CXXFLAGS -std=c++11 -Wno-deprecated-register";;
       *)
-        AM_CXXFLAGS="$AM_CXXFLAGS -std=c++11"
-        AS_CASE([$host], [*cygwin*], [AM_CXXFLAGS="$AM_CXXFLAGS -U__STRICT_ANSI__"]);;
+        AS_CASE([$host], [*cygwin*],
+                [AM_CXXFLAGS="$AM_CXXFLAGS -std=gnu++11"],
+                [AM_CXXFLAGS="$AM_CXXFLAGS -std=c++11"]);;
     esac
   fi