nerochiaro@nerobox:~/projects/phone/camera/filters/filters$ find -name *cov*
./coverage-xml.cmake
nerochiaro@nerobox:~/projects/phone/camera/filters/filters$ make
[  0%] Built target filters_ClickFiles
[  0%] Built target filters_QMlFiles
[  5%] Automatic moc for target Filtersbackend
[  5%] Built target Filtersbackend_automoc
[ 89%] Built target Filtersbackend
[ 89%] Built target Filtersbackend-qmldir
[ 89%] Built target filters_OtherFiles
[ 89%] Built target filters_tests_QMlFiles
[ 94%] Merging translations into filters.desktop
[ 94%] Built target filters.desktop
[100%] Generating translation template
Wrote filters.desktop.in.h
[100%] Built target filters.kaleo.pot
nerochiaro@nerobox:~/projects/phone/camera/filters/filters$ make coverage
Scanning dependencies of target coverage
[ 25%] Collecting coverage data
Capturing coverage data from /home/nerochiaro/projects/phone/camera/filters/filters
Found gcov version: 4.9.2
Scanning /home/nerochiaro/projects/phone/camera/filters/filters for .gcda files ...
geninfo: WARNING: no .gcda files found in /home/nerochiaro/projects/phone/camera/filters/filters - skipping!
Finished .info-file creation
[ 50%] Filtering recorded coverage data for project-relevant entries
Reading tracefile /home/nerochiaro/projects/phone/camera/filters/filters/coverage.raw.info
lcov: ERROR: no valid records found in tracefile /home/nerochiaro/projects/phone/camera/filters/filters/coverage.raw.info
CMakeFiles/coverage.dir/build.make:63: recipe for target 'coverage.info' failed
make[3]: *** [coverage.info] Error 255
CMakeFiles/Makefile2:153: recipe for target 'CMakeFiles/coverage.dir/all' failed
make[2]: *** [CMakeFiles/coverage.dir/all] Error 2
CMakeFiles/Makefile2:161: recipe for target 'CMakeFiles/coverage.dir/rule' failed
make[1]: *** [CMakeFiles/coverage.dir/rule] Error 2
Makefile:190: recipe for target 'coverage' failed
make: *** [coverage] Error 2