more travis stuff

.travis.yml

@@ -13,6 +13,17 @@ matrix:
       script:
         - dlib/travis/build-and-test.sh
 
+    ###################
+    - language: cpp
+      compiler: clang
+      os: linux
+      env:
+        - VARIANT=examples
+        - CXX=clang++
+        - CC=clang
+      script:
+        - dlib/travis/build-and-test.sh
+
     ###################
     - language: cpp
       compiler: gcc

dlib/travis/before-install.sh

-#!/usr/bin/env bash
-
-# Exit if anything fails.
-set -eux
-
-## download CMAKE 3.5 to get colored output
-if [[ ! -x cmake/bin/cmake && -d cmake ]]; then
-    rm -rf cmake
-fi
-if [[ ! -d cmake ]]; then
-  CMAKE_URL="http://www.cmake.org/files/v3.5/cmake-3.5.2-Linux-x86_64.tar.gz"
-  mkdir -v cmake 
-  wget --no-check-certificate -O - ${CMAKE_URL} | tar --strip-components=1 -xz -C cmake
-fi
-
-
-

dlib/travis/build-and-test.sh

@@ -20,12 +20,7 @@ fi
 
 if [ "$VARIANT" = "python-api" ]; then
   python setup.py test --clean
-  pip install numpy
+  pip uninstall numpy
   python setup.py test --clean
 fi
 
-if [ "$VARIANT" = "python3-api" ]; then
-  python3 setup.py test --clean
-  pip3 install numpy
-  python3 setup.py test --clean
-fi