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added note about the GOARM env variable

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CC=golang-dev
https://golang.org/cl/198074
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Kai Backman 2010-02-02 18:09:07 -08:00
parent 8bef7fdc39
commit cd4a684214
1 changed files with 11 additions and 0 deletions
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@ -86,6 +86,17 @@ plus one optional variable:</p>
After installing, you will want to arrange to add this After installing, you will want to arrange to add this
directory to your <code>$PATH</code>, so you can use the tools. directory to your <code>$PATH</code>, so you can use the tools.
</dd> </dd>
<dt>
<code>$GOARM</code> (optional, arm, default=6)
</dt>
<dd>
The ARM architecture version the runtime libraries should target.
ARMv6 cores have more efficient synchronization primitives. Setting
<code>$GOARM</code> to 5 will compile the runtime libraries using
just SWP instructions that work on older architectures as well.
Running v6 code on an older core will cause an illegal instruction trap.
</dd>
</dl> </dl>
<p> <p>