.travis.yml in h3-3.4.4

- old
+ new

@@ -55,9 +55,14 @@
         - make && make coverage
       after_success:
         - coveralls --lcov-file coverage.cleaned.info --verbose
     - env: NAME="Mac OSX (Xcode 8)"
       os: osx
+    - env: NAME="binding-functions target"
+      script:
+        - make binding-functions
+        # Check that the file exists and has contents
+        - test -s binding-functions
 
 # Configure the build script, out of source.
 before_script:
   - mkdir build
   - cd build