NO-JIRA: enable code coverage report in travis

.travis.yml

@@ -41,6 +41,8 @@ addons:
     - dblatex
     # unit test requirement
     - python-unittest2
+    # code coverage
+    - lcov
 
 install:
 - PREFIX=$PWD/install
@@ -60,13 +62,18 @@ before_script:
 - source qpid-proton/build/config.sh
 - mkdir build
 - pushd build
-- cmake .. -DCMAKE_INSTALL_PREFIX=$PREFIX -DUSE_VALGRIND=NO
+- cmake .. -DCMAKE_INSTALL_PREFIX=$PREFIX -DUSE_VALGRIND=NO -DCMAKE_BUILD_TYPE=Coverage
 - cmake --build . --target install
 
 script:
 - pushd ../qpid-proton
 - echo $(echo "Current proton checkout:") $(git rev-parse HEAD)
 - popd
-- ctest -V
+- ctest -V && cmake --build . --target coverage
 - popd
 - mvn apache-rat:check
+
+after_success:
+- pushd build
+- bash <(curl -s https://codecov.io/bash) || echo "Codecov did not collect coverage reports"
+