'AOSP native code coverage issue, gcno:version '402*', prefer 'a75*' on soong build system
I am working on native code coverage for AOSP11, I am referring following links.
- Native Code coverage with android soong build system
- Android Native Unit test Coverage for cpp via gcov and lcov
I have generated *.gcno and also genrated *.gcov, but after running
lcov --directory . --base-directory . --gcov-tool /usr/bin/gcov --capture -o cov.info .gcno
to collect the code coverage results, I am getting version mismatch issue, i.e.
gcno:version '402', prefer 'a75'
So I checked, and can see my host machine's gcc version 7.5.0 (Ubuntu 7.5.0-3ubuntu1~18.04) and gcov version (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0. And I ran "file *.gcno" (on generated *.gcno intermediates). Its printing GCC--> gcno coverage (-ftest-coverage), version 4.2 So, root cause is quite clear, but how to resolve this for Soong build system?
Sources
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