Hans Wennborg 3063a54722 [clang-cl] Implement /external:I, /external:env, and EXTERNAL_INCLUDE support (PR36003) ...

This patch does three things:

- Map the /external:I flag to -isystem

- Add support for the /external:env:<var> flag which reads system
  include paths from the <var> environment variable

- Pick up system include dirs EXTERNAL_INCLUDE in addition to the old
  INCLUDE environment variable.

Differential revision: https://reviews.llvm.org/D104387

2021-06-21 15:36:14 +02:00

2.6 KiB

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