[PATCH] D33726: [driver][netbsd] Build and pass `-L` arguments to the linker

[Simon Atanasyan via Phabricator via cfe-commits]

atanasyan created this revision.

This patch builds and passes `-L` arguments to the linker in case of NetBSD target. That makes possible to use LLD linker which does not have any built-in per-OS paths configuration.

To do so the patch a) constructs paths to the library directories explicitly without using `=` placeholder. That allows to get correct paths whether `--sysroot` argument passed to the driver or not; b) calls `ToolChain::AddFilePathLibArgs` method to build a list of `-L` options from the paths list.

I hope this changes fix the following bug:
https://bugs.llvm.org/show_bug.cgi?id=33155


Repository:
  rL LLVM

https://reviews.llvm.org/D33726

Files:
  lib/Driver/ToolChains/NetBSD.cpp
  test/Driver/netbsd.c

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