[PATCH] D45233: [Driver] Update GCC libraries detection logic for Gentoo.

[Manoj Gupta via Phabricator via cfe-commits]

manojgupta created this revision.
manojgupta added a reviewer: mgorny.

1. Find GCC's LDPATH from the actual GCC config file.
2. Make library detection to take into account crossdev installed cross-compiler gcc libraries even when a sysroot is specified.
3. Avoid picking libraries from a similar named tuple if the exact tuple is installed.


Repository:
  rC Clang

https://reviews.llvm.org/D45233

Files:
  lib/Driver/ToolChains/Gnu.cpp
  lib/Driver/ToolChains/Gnu.h

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