[PATCH] D135345: [libunwind] Add module maps for libunwind

[Ian Anderson via Phabricator via llvm-commits]

iana added a comment.

In D135345#3880719 <https://reviews.llvm.org/D135345#3880719>, @MaskRay wrote:

> Good point about libunwind headers are usually installed in /usr/include , shared with other system headers.
> Is there any information how Mach-O platforms use the modulemap file?
> IIUC non-Mach-O platforms will probably not benefit from `libunwind.modulemap`.

In the Apple platforms (I assume that's what you mean by Mach-O), it will consume these module maps from the usr/include/module.modulemap file that the OS provides like this.

  extern module libunwind "libunwind.modulemap"
  extern module unwind "libunwind.modulemap"
  
  module Darwin [system] {
  ...
  }
  // and so on and so forth

Non-Apple platforms would do the same from their usr/include/module.modulemap file, if any other platform has that. (I don't know if Linux or Windows or any other platform has modularized their OS headers)


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  https://reviews.llvm.org/D135345/new/

https://reviews.llvm.org/D135345