From bdcf21a5bdae38ed58ae21819dcd6f07d475c188 Mon Sep 17 00:00:00 2001
From: Vadim Zeitlin <vadim@wxwidgets.org>
Date: Thu, 25 Jan 2018 12:22:34 +0100
Subject: [PATCH] Explicitly use libc++ in C++11 CMake macOS builds on Travis
 CI

Just using -DCMAKE_CXX_STANDARD=11 isn't enough, as it doesn't seem to
use C++11 for configuration checks, so set CMAKE_CXX_FLAGS explicitly
too.
---
 .travis.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.travis.yml b/.travis.yml
index 36f7e40fa4..afc314c983 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -27,7 +27,7 @@ matrix:
           env: wxCONFIGURE_FLAGS="--enable-cxx11" wxMAKEFILE_FLAGS="CXXFLAGS=-std=c++11" wxSKIP_SAMPLES=1
         - os: osx
           compiler: clang
-          env: wxTOOLSET=cmake wxCMAKE_GENERATOR=Xcode wxCMAKE_DEFINES="-DCMAKE_CXX_STANDARD=11"
+          env: wxTOOLSET=cmake wxCMAKE_GENERATOR=Xcode wxCMAKE_DEFINES="-DCMAKE_CXX_STANDARD=11 -DCMAKE_CXX_FLAGS=-stdlib=libc++"
 
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