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Auto merge of #12578 - larsbergstrom:windows_deps, r=metajack

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Document Windows installation hacks

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This is based on the awesome work by @UK992 in #12573.

Basically, it downgrades GCC on Windows to 5.4 within the mingw environment. This is a stopgap until #11756 is completed and we no longer need mingw.

Fixes #12512

r? @metajack

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- [ ] `./mach test-tidy` does not report any errors
- [ ] These changes fix #__ (github issue number if applicable).

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bors-servo 2016-07-24 21:56:13 -05:00 • committed by GitHub
commit 521f8c0135
1 changed files with 8 additions and 1 deletions
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9
README.md
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@ -80,7 +80,9 @@ Download Python for Windows [here](https://www.python.org/downloads/release/pyth
required for the SpiderMonkey build on Windows.
Install MSYS2 from [here](https://msys2.github.io/). After you have done so, open an MSYS shell
window and update the core libraries and install new packages:
window and update the core libraries and install new packages. The extra step at the end is to
downgrate GCC to 5.4, as the GCC6 versions in mingw currently fail to compile some of our
dependencies. We are upgrading to a gcc-free build on Windows as soon as possible:
```sh
pacman -Su
@ -88,6 +90,11 @@ pacman -Sy git mingw-w64-x86_64-toolchain mingw-w64-x86_64-freetype \
mingw-w64-x86_64-icu mingw-w64-x86_64-nspr mingw-w64-x86_64-ca-certificates \
mingw-w64-x86_64-expat mingw-w64-x86_64-cmake tar diffutils patch \
patchutils make python2-setuptools
export GCC_URL=http://repo.msys2.org/mingw/x86_64/mingw-w64-x86_64-gcc
export GCC_EXT=5.4.0-1-any.pkg.tar.xz
pacman -U --noconfirm $GCC_URL-$GCC_EXT $GCC_URL-ada-$GCC_EXT \
$GCC_URL-fortran-$GCC_EXT $GCC_URL-libgfortran-$GCC_EXT $GCC_URL-libs-$GCC_EXT \
$GCC_URL-objc-$GCC_EXT
easy_install-2.7 pip virtualenv
```