Golang在Mac OS上的环境配置

Golang是Google开发的一种编译型,平行化,具备垃圾回收功能的编译语言,还和C同样有指针。
Golang是天生的网络编程语言,学习使用Golang先从环境配置开始。
环境要求:html

安装Golang

Golang能够经过源代码本身编译安装https://golang.org/project/,为了管理和升级建议使用Homerbrew安装。
使用命令行直接安装Golang:shell

brew install go编程

==> Downloading https://homebrew.bintray.com/bottles/go-1.7.el_capitan.bottle.tar.gz
######################################################################## 100.0%
==> Pouring go-1.7.el_capitan.bottle.tar.gz
==> Caveats
As of go 1.2, a valid GOPATH is required to use the `go get` command:
  https://golang.org/doc/code.html#GOPATH
You may wish to add the GOROOT-based install location to your PATH:
  export PATH=$PATH:/usr/local/opt/go/libexec/bin
==> Summary
?  /usr/local/Cellar/go/1.7: 6,435 files, 250.6M

从提示中能够看出须要设置GOPATHGOROOT的环境变量,以及设置PATH.vim

配置GOPATH

查看go 的环境变量设置的命令api

go envbash

GOARCH="amd64"
    GOBIN=""
    GOEXE=""
    GOHOSTARCH="amd64"
    GOHOSTOS="darwin"
    GOOS="darwin"
    GOPATH=""
    GORACE=""
    GOROOT="/usr/local/Cellar/go/1.7.6/libexec"
    GOTOOLDIR="/usr/local/Cellar/go/1.7.6/libexec/pkg/tool/darwin_amd64"
    GO15VENDOREXPERIMENT=""
    CC="clang"
    GOGCCFLAGS="-fPIC -m64 -pthread -fno-caret-diagnostics -Qunused-arguments -fmessage-length=0 -fno-common"
    CXX="clang++"
    CGO_ENABLED="1"

须要设置的环境变量包括:GOPATH ,GOBIN 以及把GOBIN加入到PATH中,GOROOT变量默认已经设置好。网络

fishshell设置GOPATH:编程语言

set -gx GOPATH /usr/local/Cellar/go/1.7.6学习

bash中设置:

vim .bash_profile

export GOPATH=/usr/local/Cellar/go/1.7.6
    export GOBIN=$GOPATH/bin
    export PATH=$PATH:$GOBIN

使修改马上生效:

source .bash_profile

再看下go的环境变量:

go env

GOARCH="amd64"
   GOBIN="/usr/local/Cellar/go/1.7.6/bin"
   GOEXE=""
   GOHOSTARCH="amd64"
   GOHOSTOS="darwin"
   GOOS="darwin"
   GOPATH="/usr/local/Cellar/go/1.7.6"
   GORACE=""
   GOROOT="/usr/local/Cellar/go/1.7.6/libexec"
   GOTOOLDIR="/usr/local/Cellar/go/1.7.6/libexec/pkg/tool/darwin_amd64"
   GO15VENDOREXPERIMENT=""
   CC="clang"
   GOGCCFLAGS="-fPIC -m64 -pthread -fno-caret-diagnostics -Qunused-arguments -fmessage-length=0 -fno-common"
   CXX="clang++"
   CGO_ENABLED="1"

环境变量设置完成!

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