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David Tenty dc5f5241a9 [AIX] Make sure we use export lists for plugins
Summary:
Besides just generating and consuming the lists, this includes:

 * Calling  nm with the right options in extract_symbols.py. Such as not
  demangling C++ names, which AIX nm does by default, and accepting both
  32/64-bit names.
 * Not having nm sort the list of symbols or we may run in to memory
   issues on debug builds, as nm calls a 32-bit sort.
 * Defaulting to having LLVM_EXPORT_SYMBOLS_FOR_PLUGINS on for AIX
 * CMake versions prior to 3.16 set the -brtl linker flag globally on
   AIX. Clear it out early on so we don't run into failures. We will set
   it as needed.

Reviewers: jasonliu, DiggerLin, stevewan, hubert.reinterpretcast

Reviewed By: hubert.reinterpretcast

Subscribers: hubert.reinterpretcast, mgorny, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D70972
2020-05-08 14:00:25 -04:00
..

See docs/CMake.html for instructions on how to build LLVM with CMake.