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Clarify Windows gcc setup instructions.
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README.md
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README.md
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@ -68,7 +68,7 @@ Read ["Installing Rust"] from [The Book].
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# Update package mirrors (may be needed if you have a fresh install of MSYS2)
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$ pacman -Sy pacman-mirrors
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# Choose one based on platform:
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# Choose one based on platform: (+++ see the note below +++)
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$ pacman -S mingw-w64-i686-toolchain
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$ pacman -S mingw-w64-x86_64-toolchain
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@ -89,9 +89,12 @@ Read ["Installing Rust"] from [The Book].
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```
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> ***Note:*** gcc versions >= 5 currently have issues building LLVM on Windows
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> resulting in a segmentation fault when building Rust. In order to avoid this
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> it may be necessary to obtain an earlier version of gcc such as 4.9.x.
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> Installers for earlier Windows builds of gcc are available at the
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> [Mingw-Builds] project. For more information on this see issue #28260.
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> it may be necessary to obtain an earlier version of gcc such as 4.9.x.
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> Msys's `pacman` will install the latest version, so for the time being it is
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> recommended to skip gcc toolchain installation step above and use [Mingw-Builds]
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> project's installer instead. Be sure to add gcc `bin` directory to the path
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> before running `configure`.
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> For more information on this see issue #28260.
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[Mingw-Builds]: http://sourceforge.net/projects/mingw-w64/
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