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[AIX] Update rpath for BUILD_SHARED_LIBS

Authored by jsji on Mar 18 2021, 2:44 PM.



BUILD_SHARED_LIBS build llvm component as shared library,
which can reduce the size a lot.

Normally, the binary use ORIGIN../lib to load component libraries,
unfortunatly, ORIGIN is not supported by AIX ld.

We hardcoded the build lib and install lib path in rpath for now
to enable BUILD_SHARED_LIBS build.

Understand that this is not perfect solution,
we can update this when we find better solution.

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jsji created this revision.Mar 18 2021, 2:44 PM
jsji requested review of this revision.Mar 18 2021, 2:44 PM
Herald added a project: Restricted Project. · View Herald TranscriptMar 18 2021, 2:44 PM

How should LLVM_LIBRARY_DIR (used with extra_libdir) be incorporated (or not) here?


Minor wording/grammar nits.

jsji added inline comments.Mar 19 2021, 1:34 PM

I can include extra_libdir if we want to support LLVM_INSTALL_PREFIX as well.


Thanks. I think adding extra_libdir makes sense to reduce unnecessary differences.

jsji updated this revision to Diff 331994.Mar 19 2021, 1:50 PM

Address comments.

jsji marked an inline comment as done.Mar 19 2021, 2:12 PM
jsji marked 2 inline comments as done.
This revision is now accepted and ready to land.Mar 19 2021, 6:44 PM
This revision was landed with ongoing or failed builds.Mar 20 2021, 1:32 PM
This revision was automatically updated to reflect the committed changes.