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doc/install-source.html: update for go tool
Make some updates, get rid of mentions of make. There remain a number of open questions. R=golang-dev, gri CC=golang-dev https://golang.org/cl/5720057
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<h2 id="introduction">Introduction</h2>
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<p>Go is an open source project, distributed under a
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<p>
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Go is an open source project, distributed under a
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<a href="/LICENSE">BSD-style license</a>.
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This document explains how to check out the sources,
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build them on your own machine, and run them.
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</p>
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<p>
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Most users don't need to do this, and will instead install
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from precompiled binary packages as described in
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<a href="/doc/install.html">Getting Started</a>,
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a much simpler process.
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If you want to help develop what goes into those precompiled
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packages, though, read on.
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</p>
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<div class="detail">
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<p>
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There are two official Go compiler tool chains.
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This document focuses on the <code>gc</code> Go
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compiler and tools (<code>6g</code>, <code>8g</code> etc.).
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For information on how to use <code>gccgo</code>, a more traditional
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For information on how to work on <code>gccgo</code>, a more traditional
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compiler using the GCC back end, see
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<a href="/install/gccgo/">Setting up and using gccgo</a>.
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<a href="/doc/gccgo_install.html">Setting up and using gccgo</a>.
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</p>
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<p>
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@ -33,7 +43,7 @@ architectures.
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<code>amd64</code> (a.k.a. <code>x86-64</code>); <code>6g,6l,6c,6a</code>
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</dt>
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<dd>
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The most mature implementation. The compiler has an effective
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A mature implementation. The compiler has an effective
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optimizer (registerizer) and generates good code (although
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<code>gccgo</code> can do noticeably better sometimes).
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</dd>
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@ -47,7 +57,8 @@ architectures.
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<code>arm</code> (a.k.a. <code>ARM</code>); <code>5g,5l,5c,5a</code>
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</dt>
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<dd>
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Supports only Linux binaries. Less tested than the other ports.
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Supports only Linux binaries. Less widely used than the other ports and therefore
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not as thoroughly tested.
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</dd>
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</dl>
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@ -113,7 +124,7 @@ You might try this first:
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<p>
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If that fails, try installing manually from the
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<a href="http://mercurial.selenic.com/wiki/Download">Mercurial Download</a>
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page.</p>
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page.
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</p>
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<p>
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@ -136,7 +147,6 @@ if necessary.
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<h2 id="fetch">Fetch the repository</h2>
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<p>
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<p>Go will install to a directory named <code>go</code>.
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Change to the directory that will be its parent
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and make sure the <code>go</code> directory does not exist.
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@ -222,58 +232,31 @@ If you see the "hello, world" message then Go is installed correctly.
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</p>
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<h2 id="next">What's next</h2>
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<p>
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Start by taking <a href="http://tour.golang.org/">A Tour of Go</a>.
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</p>
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<p>
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For more detail about the process of building and testing Go programs
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read <a href="/doc/code.html">How to Write Go Code</a>.
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</p>
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<p>
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Build a web application by following the <a href="/doc/articles/wiki/">Wiki
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Tutorial</a>.
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</p>
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<p>
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Read <a href="/doc/effective_go.html">Effective Go</a> to learn about writing
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idiomatic Go code.
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</p>
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<p>
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For the full story, consult Go's extensive
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<a href="/doc/">documentation</a>.
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</p>
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<h2 id="community">Community resources</h2>
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<p>
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For real-time help, there may be users or developers on
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<code>#go-nuts</code> on the <a href="http://freenode.net/">Freenode</a> IRC server.
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</p>
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<p>
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The official mailing list for discussion of the Go language is
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<a href="http://groups.google.com/group/golang-nuts">Go Nuts</a>.
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The usual community resources such as
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<code>#go-nuts</code> on the <a href="http://freenode.net/">Freenode</a> IRC server
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and the
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<a href="http://groups.google.com/group/golang-nuts">Go Nuts</a>
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mailing list have active developers that can help you with problems
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with your installation or your development work.
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For those who wish to keep up to date,
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there is another mailing list, <a href="http://groups.google.com/group/golang-checkins">golang-checkins</a>,
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that receives a message summarizing each checkin to the Go repository.
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</p>
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<p>
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Bugs can be reported using the <a href="http://code.google.com/p/go/issues/list">Go issue tracker</a>.
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</p>
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<p>
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For those who wish to keep up with development,
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there is another mailing list, <a href="http://groups.google.com/group/golang-checkins">golang-checkins</a>,
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that receives a message summarizing each checkin to the Go repository.
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</p>
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<h2 id="releases">Keeping up with releases</h2>
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<p>
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XXX TODO XXX
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</p>
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<p>
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The Go project maintains two stable tags in its Mercurial repository:
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<code>release</code> and <code>weekly</code>.
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@ -311,7 +294,7 @@ To use the <code>weekly</code> tag run <code>hg update weekly</code> instead.
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<p>
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The Go compilation environment can be customized by environment variables.
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<i>None are required by the build</i>, but you may wish to set them
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<i>None is required by the build</i>, but you may wish to set some
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to override the defaults.
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</p>
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@ -321,11 +304,14 @@ to override the defaults.
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</dt>
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<dd>
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<p>
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XXX FONT IS WRONG IN THESE ENTRIES XXX
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XXX I NEED SOME SPAN THING XXX
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The root of the Go tree, often <code>$HOME/go</code>.
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This defaults to the parent of the directory where <code>all.bash</code> is run.
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If you choose not to set <code>$GOROOT</code>, you must
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run <code>gomake</code> instead of <code>make</code> or <code>gmake</code>
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when developing Go programs using the conventional makefiles.
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Its value is built into the tree when it is compiled, and
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defaults to the parent of the directory where <code>all.bash</code> was run.
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There is no need to set this unless you want to switch between multiple
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local copies of the repository.
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</p>
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</dd>
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<dt>
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@ -334,11 +320,12 @@ to override the defaults.
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<dd>
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<p>
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The value assumed by installed binaries and scripts when
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<code>$GOROOT</code> is not set.
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It defaults to the value used for <code>$GOROOT</code>.
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<code>$GOROOT</code> is not set explicitly.
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It defaults to the value of <code>$GOROOT</code>.
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If you want to build the Go tree in one location
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but move it elsewhere after the build, set
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<code>$GOROOT_FINAL</code> to the eventual location.
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</p>
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</dd>
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<dt>
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@ -406,7 +393,6 @@ to override the defaults.
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<td></td><td><code>windows</code></td> <td><code>amd64</code></td>
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</tr>
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</table>
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<p>
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</dd>
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<dt>
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@ -431,7 +417,8 @@ to override the defaults.
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</dt>
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<dd>
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<p>
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The location where binaries will be installed.
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The location where binaries from the main repository will be installed.
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XXX THIS MAY CHANGE TO BE AN OVERRIDE EVEN FOR GOPATH ENTRIES XXX
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The default is <code>$GOROOT/bin</code>.
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After installing, you will want to arrange to add this
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directory to your <code>$PATH</code>, so you can use the tools.
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@ -472,3 +459,8 @@ export GOROOT=$HOME/go
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export GOARCH=amd64
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export GOOS=linux
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</pre>
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<p>
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although, to reiterate, none of these variables needs to be set to build,
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install, and develop the Go tree.
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</p>
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