为什么在运行`go get golang.org / x / tools / cmd / godoc`时没有创建二进制文件？

问题描述

godoc 和 gotour 可以通过去从其respecitve源目录中运行构建。当一个 go得到时创建的 gotour 二元的原因是什么，而 godoc 。

命令行输出：

  [user @ pc：〜/ .gvm / pkgsets / go1.5.1 / global] 
>> ls 
 
 [user @ pc：〜/ .gvm / pkgsets / go1.5.1 / global] 
>> go env 
 GOARCH =amd64
 GOBIN =
 GOEXE =
 GOHOSTARCH =amd64
 GOHOSTOS =linux
 GOOS =linux
 GOPATH =/ home / user / .gvm / pkgsets / go1.5.1 / global
 GORACE =
 GOROOT =/ home / user / .gvm / gos / go1.5.1
 GOTOOLDIR =/ home / user / .gvm / gos / go1.5.1 / pkg / tool / linux_amd64
 GO15VENDOREXPERIMENT =
 CC =gcc 
 GOGCCFLAGS = -  fPIC -m64 -pthread -fmessage-length = 0
 CXX =g ++
 CGO_ENABLED =1
 
 [user @ pc ：〜/ .gvm / pkgsets / go1.5.1 / global] 
>> go get golang.org/x/tools/cmd/godoc 
 
 [user @ pc：〜/ .gvm / pkgsets / go1.5.1 / global] 
>> ls 
 pkg src 
 
 [user @ pc：〜/ .gvm / pkgsets / go1.5.1 / global] 
>> go get golang.org/x/tour/gotour 
 
 [user @ pc：〜/ .gvm / pkgsets / go1.5.1 / global] 
>> ls 
 bin pkg src 
 
 [user @ pc：〜/ .gvm / pkgsets / go1.5.1 / global] 
>> ls bin / 
 gotour 
 
 [user @ pc：〜/ .gvm / pkgsets / go1.5.1 / global] 
>> cd src / golang.org / x / tools / cmd / godoc / 
 
 [user @ pc：〜/ .gvm / pkgsets / go1.5.1 / global / src / golang.org / x / tools / cmd / godoc] 
>> go build 
 
 [user @ pc：〜/ .gvm / pkgsets / go1.5.1 / global / src / golang.org / x / tools / cmd / godoc] 
>> ./godoc 
用法：godoc包[name ...] 
 godoc -http =：6060 
  - 分析字符串
要执行的分析的逗号分隔列表（支持：type ，指针）。请参阅http://golang.org/lib/godoc/analysis/help.html 
 -ex 
在命令行模式下显示示例
 -goroot字符串
转到根目录（默认/home/user/.gvm/gos/go1.5.1）
 -html 
在命令行模式下打印HTML 
 -http字符串
 HTTP服务地址（例如， '：6060'）
 -httptest.serve字符串
如果非空，则httptest.NewServer服务于此地址并阻止
 --index 
 .... 
  

解决方案

Godoc是一种特殊功能，因为它是Go发行版的官方工具。
$ b

所以如果你去得到 godoc，结果二进制文件将不会被放置在 $ GOPATH / bin 其中所有其他可执行文件都在，但在 $ GOROOT / bin 下。

Gotour并不是特殊的，因此它被安装到 $ GOPATH / bin 中。

godoc and gotour can be built and run from their respecitve source directory with go build. What is the reason a gotour binary created when one go get it and that is not the case for godoc.

Command Line Output:

[ user@pc:~/.gvm/pkgsets/go1.5.1/global ]
>> ls

[ user@pc:~/.gvm/pkgsets/go1.5.1/global ]
>> go env
GOARCH="amd64"
GOBIN=""
GOEXE=""
GOHOSTARCH="amd64"
GOHOSTOS="linux"
GOOS="linux"
GOPATH="/home/user/.gvm/pkgsets/go1.5.1/global"
GORACE=""
GOROOT="/home/user/.gvm/gos/go1.5.1"
GOTOOLDIR="/home/user/.gvm/gos/go1.5.1/pkg/tool/linux_amd64"
GO15VENDOREXPERIMENT=""
CC="gcc"
GOGCCFLAGS="-fPIC -m64 -pthread -fmessage-length=0"
CXX="g++"
CGO_ENABLED="1"

[ user@pc:~/.gvm/pkgsets/go1.5.1/global ]
>> go get golang.org/x/tools/cmd/godoc

[ user@pc:~/.gvm/pkgsets/go1.5.1/global ]
>> ls
pkg  src

[ user@pc:~/.gvm/pkgsets/go1.5.1/global ]
>> go get golang.org/x/tour/gotour

[ user@pc:~/.gvm/pkgsets/go1.5.1/global ]
>> ls 
bin  pkg  src

[ user@pc:~/.gvm/pkgsets/go1.5.1/global ]
>> ls bin/
gotour

[ user@pc:~/.gvm/pkgsets/go1.5.1/global ]
>> cd src/golang.org/x/tools/cmd/godoc/

[ user@pc:~/.gvm/pkgsets/go1.5.1/global/src/golang.org/x/tools/cmd/godoc ]
>> go build

[ user@pc:~/.gvm/pkgsets/go1.5.1/global/src/golang.org/x/tools/cmd/godoc ]
>> ./godoc 
usage: godoc package [name ...]
    godoc -http=:6060
  -analysis string
        comma-separated list of analyses to perform (supported: type, pointer). See http://golang.org/lib/godoc/analysis/help.html
  -ex
        show examples in command line mode
  -goroot string
        Go root directory (default "/home/user/.gvm/gos/go1.5.1")
  -html
        print HTML in command-line mode
  -http string
        HTTP service address (e.g., ':6060')
  -httptest.serve string
        if non-empty, httptest.NewServer serves on this address and blocks
  -index
....

解决方案

Godoc is special as it is an official tool being part of the Go distribution.

So if you go get godoc, the result binary will not be placed under $GOPATH/bin where all other executables go, but under $GOROOT/bin.

Gotour is not special in this way, so it gets installed into your $GOPATH/bin.

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