From 00a2a70743fe5c3ae02883f7f59af49db0b776c9 Mon Sep 17 00:00:00 2001
From: deltaoscarmike <37912794+deltaoscarmike@users.noreply.github.com>
Date: Wed, 25 Jul 2018 20:17:08 +0200
Subject: [PATCH] Fix for travis

---
 .travis.yml  | 2 ++
 configure.ac | 8 ++++----
 2 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index 80d06ac4f..7eb69990f 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -34,6 +34,7 @@ matrix:
             - libglew-dev
             - libftgl-dev
             - libglm-dev
+            - libc++-dev
       env:
         - MATRIX_EVAL="CC=clang-5.0 && CXX=clang++-5.0"
     # linux/gcc
@@ -48,6 +49,7 @@ matrix:
             - libglew-dev
             - libftgl-dev
             - libglm-dev
+            - libc++-dev
       env:
         - MATRIX_EVAL="CC=gcc-7 && CXX=g++-7"
 
diff --git a/configure.ac b/configure.ac
index ca63c0504..7de7e6dfb 100644
--- a/configure.ac
+++ b/configure.ac
@@ -76,11 +76,11 @@ AC_PREFIX_DEFAULT([/usr/local])
 
 AC_PROG_MKDIR_P
                         
-AX_CHECK_COMPILE_FLAG([-stdlib=libstdc++], [
-                        CXXFLAGS="$CXXFLAGS -stdlib=libstdc++"])
+AX_CHECK_COMPILE_FLAG([-stdlib=libc++], [
+                        CXXFLAGS="$CXXFLAGS -stdlib=libc++"])
 
-AX_CHECK_COMPILE_FLAG([-std=c++14], [
-                        CXXFLAGS="$CXXFLAGS -std=c++14"])
+AX_CHECK_COMPILE_FLAG([-std=c++11], [
+                        CXXFLAGS="$CXXFLAGS -std=c++11"])
 
 dnl Qt
 AC_ARG_ENABLE([qt],