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[clang][Darwin] Refactor header search path logic into the driver
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Authored by ldionne on May 21 2019, 10:48 AM.

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Description

[clang][Darwin] Refactor header search path logic into the driver

Summary:
This commit moves the logic for determining system, resource and C++
header search paths from CC1 to the driver. This refactor has already
been made for several platforms, but Darwin had been left behind.

This refactor tries to implement the previous search path logic with
perfect accuracy. In particular, the order of all include paths inside
CC1 and all paths that were skipped because nonexistent are conserved
after the refactor. This change was also tested against a code base
of significant size and revealed no problems.

Reviewers: jfb, arphaman

Subscribers: nemanjai, javed.absar, kbarton, christof, jkorous, dexonsmith, jsji, cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D61963

llvm-svn: 361278

Details

Committed
sidorovdMay 24 2019, 5:43 AM
Differential Revision
D61963: [clang][Darwin] Refactor header search path logic into the driver

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