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authorMazdak Farrokhzad <twingoow@gmail.com>2020-03-23 10:29:13 +0100
committerGitHub <noreply@github.com>2020-03-23 10:29:13 +0100
commit9423c4f0dda638ec2a925140850b85e8d3e6d455 (patch)
tree5ad9435b593386812fce23709057863b0fd3ef19 /src/test/codegen/src-hash-algorithm/src-hash-algorithm-md5.rs
parentbee074f032970fd1b59650c04a70e75eeee9c63b (diff)
parent3a2a4429a288031e7810e84b35ff13b8dd4608a4 (diff)
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Rollup merge of #70123 - cuviper:library-path, r=Mark-Simulacrum
Ensure LLVM is in the link path for rustc tools

The build script for `rustc_llvm` outputs LLVM information in `cargo:rustc-link-lib` and `cargo:rustc-link-search` so the compiler can be linked correctly. However, while the lib is carried along in metadata, the search paths are not. So when cargo is invoked again later for rustc _tools_, they'll also try to link with LLVM, but the necessary paths may be left out.

Rustbuild can use the environment to set the LLVM link path for tools -- `LIB` for MSVC toolchains and `LIBRARY_PATH` for everyone else.

Fixes #68714.
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