tree 008a2347e7fe04a0e687d514e29f459ea3769a65
parent 8666632140e9596b868b8e2028fef6e683041130
author Scott Graham <scottmg@chromium.org> 1596657741 -0700
committer Commit Bot <commit-bot@chromium.org> 1596749187 +0000

clang: Add support for C++ modulemap files

This is a first step to support Clang modules in C++ compilation. This
change adds .modulemap as a source file extension which will be compiled
by cxx_module to a .pcm.

The subsequent patch then uses a new "module_deps" entry to refer to
these modules.

Additional test reference here:
https://fuchsia-review.googlesource.com/c/fuchsia/+/412605

Change-Id: Ic42af141b11212249dc55911a42f89268537d59a
Reviewed-on: https://gn-review.googlesource.com/c/gn/+/9601
Reviewed-by: Petr Hosek <phosek@google.com>
Reviewed-by: Brett Wilson <brettw@chromium.org>
Commit-Queue: Scott Graham <scottmg@chromium.org>