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Clarify Windows gcc setup instructions. #29509

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Nov 3, 2015
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Clarify Windows gcc setup instructions. #29509

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Clarify Windows gcc setup instructions.
vadimcn Nov 1, 2015
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vadimcn Nov 2, 2015
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12 changes: 8 additions & 4 deletions README.md
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Expand Up @@ -68,7 +68,8 @@ Read ["Installing Rust"] from [The Book].
# Update package mirrors (may be needed if you have a fresh install of MSYS2)
$ pacman -Sy pacman-mirrors

# Choose one based on platform:
# Choose one based on platform:
# *** see the note below ***
$ pacman -S mingw-w64-i686-toolchain
$ pacman -S mingw-w64-x86_64-toolchain

Expand All @@ -89,9 +90,12 @@ Read ["Installing Rust"] from [The Book].
```
> ***Note:*** gcc versions >= 5 currently have issues building LLVM on Windows
> resulting in a segmentation fault when building Rust. In order to avoid this
> it may be necessary to obtain an earlier version of gcc such as 4.9.x.
> Installers for earlier Windows builds of gcc are available at the
> [Mingw-Builds] project. For more information on this see issue #28260.
> it may be necessary to obtain an earlier version of gcc such as 4.9.x.
> Msys's `pacman` will install the latest version, so for the time being it is
> recommended to skip gcc toolchain installation step above and use [Mingw-Builds]
> project's installer instead. Be sure to add gcc `bin` directory to the path
> before running `configure`.
> For more information on this see issue #28260.

[Mingw-Builds]: http://sourceforge.net/projects/mingw-w64/

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