Add coverage testing to travis matrix

.travis.yml

@@ -5,6 +5,11 @@ os:
 compiler:
   - gcc
   - clang
+matrix:
+  include:
+    - os: linux
+      compiler: gcc
+      env: COVERAGE="true"
 addons:
   apt:
     sources:

build.sh

@@ -30,6 +30,11 @@ then
   BUILD_THREADS=1
 fi
 
+if [ -z "${BUILD_TYPE}" ]
+then
+  BUILD_TYPE="Release"
+fi
+
 PLATFORM="$(tools/detect_platform.sh)"
 
 # Config
@@ -50,7 +55,7 @@ then
     cd templight
       mkdir -p build; cd build
         cmake ../llvm \
-          -DCMAKE_BUILD_TYPE=Release \
+          -DCMAKE_BUILD_TYPE="${BUILD_TYPE}" \
           -DLLVM_ENABLE_TERMINFO=OFF \
           && make templight -j${BUILD_THREADS}
       cd ..
@@ -75,7 +80,7 @@ mkdir -p bin; cd bin
   for t in core pp mdb; do
     test/system/app/${t}/metashell_${t}_system_test \
       app/metashell/metashell -- "-I$(pwd)/../3rd/boost/include" --
-  
+
     test/system/app/${t}/metashell_${t}_system_test \
       app/metashell/metashell \
       --engine clang \

tools/travis/linux.sh

@@ -6,6 +6,8 @@ if [ "$CXX" == "g++" ]; then
   export CXX="g++-4.8";
 fi
 
+[ "${COVERAGE}" = "true" ] && sudo pip install cpp-coveralls
+
 # Test that the download version links are correct
 
 git fetch --tags
@@ -31,7 +33,22 @@ cd ../..
 
 # Test the code
 
-BUILD_THREADS=2 CXXFLAGS=-Werror NO_TEMPLIGHT=1 ./build.sh
+export CXXFLAGS="-Werror"
+
+# If we check for coverage, than add an extra compiler flag
+[ "${COVERAGE}" = "true" ] && export CXXFLAGS="${CXXFLAGS} --coverage"
+[ "${COVERAGE}" = "true" ] && export BUILD_TYPE="Debug"
+
+BUILD_THREADS=2 NO_TEMPLIGHT=1 ./build.sh
+
+# Collect and upload coverage data
+[ "${COVERAGE}" = "true" ] && coveralls \
+  -b "bin" \
+  --exclude "3rd" \
+  --exclude "test" \
+  --exclude "bin/3rd" \
+  --exclude "bin/test" \
+  --gcov gcov-4.8 --gcov-options '\-lp'
 
 sudo apt-get install clang-3.7
 cd bin