message: set base coverage
diff: @@ -10,11 +10,13 @@ if [ "$CXX" = "/usr/bin/g++-4.9" ]; then
  (cd build && cmake -DCoverage=ON -DBuildTests=ON -DBuildLargeTests=OFF -DBuildVelocyPackExamples=OFF -DBuildTools=OFF -DEnableSSE=OFF -DCMAKE_CXX_COMPILER=$CXX ..)
  (cd build && make)
  # clear counters
  + ~/bin/lcov/usr/bin/lcov --capture --initial --directory build --output-file build/base_coverage.info --gcov-tool=gcov-4.9
  ~/bin/lcov/usr/bin/lcov --directory build --zerocounters --gcov-tool=gcov-4.9
  # run tests
  (cd build/tests/ && ctest -V)
  # collect coverage info
  - ~/bin/lcov/usr/bin/lcov --directory build --capture --output-file build/coverage.info --gcov-tool=gcov-4.9
  + ~/bin/lcov/usr/bin/lcov --directory build --capture --output-file build/test_coverage.info --gcov-tool=gcov-4.9
  + ~/bin/lcov/usr/bin/lcov --add-tracefile build/base_coverage.info --add-tracefile build/test_coverage.info --output-file build/coverage.info --gcov-tool=gcov-4.9
  ~/bin/lcov/usr/bin/lcov --remove build/coverage.info 'tests/*' '/usr/*' 'src/*hash*' 'src/powers.h' --output-file build/coverage.info --gcov-tool=gcov-4.9
  ~/bin/lcov/usr/bin/lcov --list build/coverage.info --gcov-tool=gcov-4.9
  # upload coverage info
  