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doc: mention the need for a C compiler for cgo support

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Fixes #13954

Change-Id: I4c01e9bb3fb08e8b9fa14d4c59b7ea824ba3f0c9
Reviewed-on: https://go-review.googlesource.com/18937
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Rob Pike <r@golang.org>
This commit is contained in:
Brad Fitzpatrick 2016-01-26 22:56:08 +00:00
parent 7037c15e19
commit d3e61747da
1 changed files with 15 additions and 0 deletions
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15
doc/install-source.html
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@ -173,6 +173,21 @@ follow the instructions on the
<a href="http://git-scm.com/downloads">Git downloads</a> page.
</p>
<h2 id="ccompiler">(Optional) Install a C compiler</h2>
<p>
To build a Go installation
with <code><a href="/cmd/cgo">cgo</a></code> support, which permits Go
programs to import C libraries, a C compiler such as <code>gcc</code>
or <code>clang</code> must be installed first. Do this using whatever
installation method is standard on the system.
</p>
<p>
To build without <code>cgo</code>, set the environment variable
<code>CGO_ENABLED=0</code> before running <code>all.bash</code> or
<code>make.bash</code>.
</p>
<h2 id="fetch">Fetch the repository</h2>