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

I merge it by lcov multi -d parameters as below. It works.

lcov -c -d ./tmp/ -d ./tmp1/ -o ./tmp/coverage.info