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Issue 556041: code review 556041: install.html: elaborate on shell profile instructions (Closed)
Patch Set: code review 556041: install.html: elaborate on shell profile instructions Created 14 years ago
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1 <!-- Installing Go --> 1 <!-- Installing Go -->
2 2
3 <h2>Introduction</h2> 3 <h2>Introduction</h2>
4 4
5 <p>Go is an open source project, distributed under a 5 <p>Go is an open source project, distributed under a
6 <a href="/LICENSE">BSD-style license</a>. 6 <a href="/LICENSE">BSD-style license</a>.
7 This document explains how to check out the sources, 7 This document explains how to check out the sources,
8 build them on your own machine, and run them. 8 build them on your own machine, and run them.
9 </p> 9 </p>
10 10
11 <p> 11 <p>
12 There are two distinct ways to experiment with Go. 12 There are two distinct ways to experiment with Go.
13 This document focuses on the <code>gc</code> Go 13 This document focuses on the <code>gc</code> Go
14 compiler and tools (<code>6g</code>, <code>8g</code> etc.). 14 compiler and tools (<code>6g</code>, <code>8g</code> etc.).
15 For information on how to use <code>gccgo</code>, a more traditional 15 For information on how to use <code>gccgo</code>, a more traditional
16 compiler using the GCC back end, see 16 compiler using the GCC back end, see
17 <a href="gccgo_install.html">Setting up and using gccgo</a>. 17 <a href="gccgo_install.html">Setting up and using gccgo</a>.
18 </p> 18 </p>
19 19
20 <h2>Environment variables</h2> 20 <h2>Environment variables</h2>
21 21
22 <p>The Go compilation environment depends on three environment 22 <p>
23 variables that you should set in your <code>.bashrc</code> or equivalent, 23 The Go compilation environment depends on three environment variables plus one o ptional variable:
24 plus one optional variable:</p> 24 </p>
25 25
26 <dl> 26 <dl>
27 <dt> 27 <dt>
28 <code>$GOROOT</code> 28 <code>$GOROOT</code>
29 </dt> 29 </dt>
30 <dd>The root of the Go tree. Typically this is <code>$HOME/go</code> 30 <dd>The root of the Go tree. Typically this is <code>$HOME/go</code>
31 but it can be any directory. 31 but it can be any directory.
32 </dd> 32 </dd>
33 33
34 <dt> 34 <dt>
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99 </dd> 99 </dd>
100 </dl> 100 </dl>
101 101
102 <p> 102 <p>
103 Note that <code>$GOARCH</code> and <code>$GOOS</code> identify the 103 Note that <code>$GOARCH</code> and <code>$GOOS</code> identify the
104 <em>target</em> environment, not the environment you are running on. 104 <em>target</em> environment, not the environment you are running on.
105 In effect, you are always cross-compiling. 105 In effect, you are always cross-compiling.
106 </p> 106 </p>
107 107
108 <p> 108 <p>
109 Set these variables in your <code>.bashrc</code>. For example: 109 Set these variables in your shell profile (<code>$HOME/.bashrc</code>,
110 <code>$HOME/.profile</code>, or equivalent). The settings might look·
111 something like this:
110 </p> 112 </p>
111 113
112 <pre> 114 <pre>
113 export GOROOT=$HOME/go 115 export GOROOT=$HOME/go
114 export GOARCH=amd64 116 export GOARCH=amd64
115 export GOOS=linux 117 export GOOS=linux
116 </pre> 118 </pre>
117 119
118 <p> 120 <p>
119 Double-check them by listing your environment. 121 Double-check them by listing your environment. (You will need to launch
122 a new shell or terminal window for the changes to take effect.)
120 </p> 123 </p>
121 124
122 <pre> 125 <pre>
123 $ env | grep '^GO' 126 $ env | grep '^GO'
124 </pre> 127 </pre>
125 128
126 <h2>Ports</h2> 129 <h2>Ports</h2>
127 130
128 <p> 131 <p>
129 Go compilers support two operating systems (Linux, Mac OS X) and 132 Go compilers support two operating systems (Linux, Mac OS X) and
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343 Bugs can be reported using the <a href="http://code.google.com/p/go/issues/list" >Go issue tracker</a>. 346 Bugs can be reported using the <a href="http://code.google.com/p/go/issues/list" >Go issue tracker</a>.
344 </p> 347 </p>
345 348
346 <p> 349 <p>
347 For those who wish to keep up with development, 350 For those who wish to keep up with development,
348 there is another mailing list, <a href="http://groups.google.com/group/golang-ch eckins">golang-checkins</a>, 351 there is another mailing list, <a href="http://groups.google.com/group/golang-ch eckins">golang-checkins</a>,
349 that receives a message summarizing each checkin to the Go repository. 352 that receives a message summarizing each checkin to the Go repository.
350 </p> 353 </p>
351 354
352 355
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