With gcov, is it possible to merge to .gcda files?

Question

I have the same source files (C and Obj-C) being compiled into two targets: the unit test executable and the actual product (which then gets integration tested). The two tar

Answer 1

Finally I managed to solve my problem by means of lcov.

Basically what I did is the following:

• Compile the application with the flags -fprofile-arcs -ftest-coverage --coverage
• Distribute the copy of the application to each node.
• Execute the application in each node in parallel. (This step generates into the application directory in the access host the coverage information)
• Let lcov make his work:
  • lcov --directory src/ --capture --output-file coverage_reports/app.info
• Generate the html output:
  • genhtml -o coverage_reports/ coverage_reports/app.info

I hope this can be of help to someone.