More Travis build experiments

.travis.yml

@@ -1,18 +1,31 @@
 language: cpp
+compiler:
+  - gcc
+  - clang
 matrix:
   include:
     - python: "2.7"
       compiler: gcc
       env: SWIGLANG=python
+    - jdk: oraclejdk6
+      compiler: gcc
+      env: SWIGLANG=java
     - jdk: oraclejdk7
       compiler: gcc
       env: SWIGLANG=java
+    - perl: "5.10"
+      compiler: gcc
+      env: SWIGLANG=perl
+    - rvm: 1.8.7
+      compiler: gcc
+      env: SWIGLANG=ruby
 before_install:
   - sudo apt-get install libboost-dev -qq
 script:
   - ./autogen.sh && ./configure
   - make -s
-  - make -k check-$SWIGLANG-examples check-$SWIGLANG-test-suite
+  - echo "SWIGLANG: $SWIGLANG"
+#  - make -k check-$SWIGLANG-examples check-$SWIGLANG-test-suite
 branches:
   only:
     - master