more travis testing

.travis.yml

@@ -4,18 +4,27 @@ matrix:
   include:
     ###################
     - language: cpp
-      compiler: 
-        - gcc
+      compiler: clang
       os: linux
       env:
         - VARIANT=test
+        - CXX=clang++
+        - CC=clang
       script:
         - dlib/travis/build-and-test.sh
 
     ###################
     - language: cpp
-      compiler: 
-        - gcc
+      compiler: gcc
+      os: linux
+      env:
+        - VARIANT=test
+      script:
+        - dlib/travis/build-and-test.sh
+
+    ###################
+    - language: cpp
+      compiler: gcc
       os: linux
       env:
         - VARIANT=examples
@@ -30,6 +39,14 @@ matrix:
       script:
         - dlib/travis/build-and-test.sh
 
+    ###################
+    - language: python
+      python: 3.5
+      env:
+        - VARIANT=python-api
+      script:
+        - dlib/travis/build-and-test.sh
+
     ###################
     - language: cpp
       os: osx

dlib/travis/build-and-test.sh

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