[Lldb-commits] [PATCH] D19998: Add a "-gmodules" category to the test suite.

Adrian Prantl via lldb-commits lldb-commits at lists.llvm.org
Thu May 5 14:51:17 PDT 2016

aprantl created this revision.
aprantl added reviewers: granata.enrico, tfiala.
aprantl added a subscriber: lldb-commits.

This is a work-in-progress patch for adding a "-gmodules" category to the testsuite. It adds clang module debugging as a configuration alongside .dSYM and DWO to ensure that module debug info is getting broader coverage. When enabled it will add "-fmodules -gmodules" to CFLAGS (but not CXXFLAGS). It will not invoke dsymutil, since dsymutil undoes most of the module-related intricacies.

In the current form, this passes the test suite on Darwin, and it should also work on any other platform that uses clang as the host compiler.

I do have a couple of remaining questions regarding the implementation:
- Is there a way to detect that clang is the host compiler, so we can disable the category on platforms that use a different compiler?
- The "-fmodules" and "-gmodules" are only well supported by clang-3.9 and later. Is there a good way to test for this in is_supported_on_platform() or somewhere else?



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