coverage: first stab at coveralls support

.travis.yml

@@ -75,6 +75,7 @@ before_install:
 install:
   - sh cmake-3.3.0-Linux-x86_64.sh --skip-license --prefix=${TRAVIS_HOME}/cmake/
   - conda install --yes python=2.7 numpy
+  - pip install cpp-coveralls
 script:
   - cmake --version
   - cd $TRAVIS_BUILD_DIR
@@ -93,12 +94,16 @@ script:
   - CMAKE_OPTS="${CMAKE_OPTS} -DENABLE_FORTRAN=ON"
   # enable python support
   - CMAKE_OPTS="${CMAKE_OPTS} -DENABLE_PYTHON=ON"
+  # enable coverage
+  - CMAKE_OPTS="${CMAKE_OPTS} -DENABLE_COVERAGE=ON"
   # configure with cmake
   - cmake  ${CMAKE_OPTS} ../src
   # build, test, and install
   - make
   - make test
   - make install
+after_success:
+  coveralls --include src/libs/conduit  --gcov-options '\-lp' --root $TRAVIS_BUILD_DIR --build-root $TRAVIS_BUILD_DIR/travis-debug-build;
 notifications:
   email:
     recipients:

src/CMake/CMakeBasics.cmake

@@ -82,6 +82,16 @@ else()
     message(STATUS "Building static libraries (BUILD_SHARED_LIBS == OFF)")
 endif()
 
+################################
+# Coverage Flags
+################################
+if(ENABLE_COVERAGE)
+    message(STATUS "Building using coverage flags (ENABLE_COVERAGE == ON)")
+    set(CMAKE_C_FLAGS   "${CMAKE_C_FLAGS} --coverage")
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} --coverage")
+else()
+    message(STATUS "Building without coverage flags (ENABLE_COVERAGE == OFF)")
+endif()
 
 ################################
 # RPath Settings

src/CMakeLists.txt

@@ -61,6 +61,7 @@ project(conduit)
 option(BUILD_SHARED_LIBS  "Build shared libraries"      ON)
 option(ENABLE_TESTS       "Build conduit tests"         ON)
 option(ENABLE_GPREF_TOOLS "Build with google perftools" OFF)
+option(ENABLE_COVERAGE    "Build with coverage flags"   OFF)
 
 option(ENABLE_PYTHON      "Build Python Support"        OFF)
 option(ENABLE_FORTRAN     "Build Fortran  support"      OFF)