From ab13c63470034a0a45a39ae886ea14d2bafd767f Mon Sep 17 00:00:00 2001
From: Matthias Kuhn <matthias@opengis.ch>
Date: Tue, 5 Jul 2016 12:02:01 +0200
Subject: [PATCH] [travis] Use clang for Qt5 builds (#3275)

To get warnings from different compilers
---
 .travis.yml                    |  5 ++---
 ci/travis/linux/qt5/install.sh | 10 ++++------
 2 files changed, 6 insertions(+), 9 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index e8d6980088f0..028ebc43bc7e 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -75,7 +75,7 @@ matrix:
         postgresql: "9.4"
         apt:
           sources:
-#            - llvm-toolchain-precise-3.8
+            - llvm-toolchain-precise-3.8
             - ubuntu-toolchain-r-test
             - george-edison55-precise-backports # doxygen 1.8.3
           packages:
@@ -91,8 +91,7 @@ matrix:
             - txt2tags
             - xvfb
             - flip
-            - gcc-6
-            - g++-6
+            - clang-3.8
     # OSX based build with QT4 and Python 2
     - os: osx
       env:
diff --git a/ci/travis/linux/qt5/install.sh b/ci/travis/linux/qt5/install.sh
index 5e16a6860310..b361d009de90 100755
--- a/ci/travis/linux/qt5/install.sh
+++ b/ci/travis/linux/qt5/install.sh
@@ -18,15 +18,13 @@ cd build
 
 ln -s ${HOME}/osgeo4travis/bin/ccache ${HOME}/osgeo4travis/bin/clang++-${LLVM_VERSION}
 ln -s ${HOME}/osgeo4travis/bin/ccache ${HOME}/osgeo4travis/bin/clang-${LLVM_VERSION}
-ln -s ${HOME}/osgeo4travis/bin/ccache ${HOME}/osgeo4travis/bin/g++-6
-ln -s ${HOME}/osgeo4travis/bin/ccache ${HOME}/osgeo4travis/bin/gcc-6
 
 ccache -s
 
-#export CXX="clang++-${LLVM_VERSION}"
-#export CC="clang-${LLVM_VERSION}"
-export CXX="g++-6"
-export CC="gcc-6"
+export CXX="clang++-${LLVM_VERSION}"
+export CC="clang-${LLVM_VERSION}"
+#export CXX="g++-6"
+#export CC="gcc-6"
 export PATH=${HOME}/osgeo4travis/bin:${PATH}
 export PYTHONPATH=${HOME}/osgeo4travis/lib/python3.3/site-packages/