golang中跨平台交叉编译涉及两个重要的环境变量:GOOS和GOARCH,分别代表Target Host OS和Target Host ARCH,如果没有显式设置这些环境变量,我们通过go env可以看到go编译器眼中这两个环境变量的当前值:
go env
GOARCH="amd64"
GOBIN="/home/work/software/go/bin"
GOEXE=""
GOHOSTARCH="amd64" //主机arch
GOHOSTOS="linux" //主机host
GOOS="linux"
GOPATH="/home/work/software/go/src/pkg:/home/work/develop/git/content_filter:/home/work/develop/git/content_filter/.koala"
GORACE=""
GOROOT="/home/work/software/go"
GOTOOLDIR="/home/work/software/go/pkg/tool/linux_amd64"
GO15VENDOREXPERIMENT="1"
CC="gcc"
GOGCCFLAGS="-fPIC -m64 -pthread -fmessage-length=0"
CXX="g++"
CGO_ENABLED="1"
GOOS=windows GOARCH=386 go build -o hello.exe hello.go
其中二者可以设置如下参数:
$GOOS $GOARCH darwin 386 darwin amd64 freebsd 386 freebsd amd64 linux 386 linux amd64 linux arm incomplete windows 386 incomplete
如果想要编译其他平台的可执行脚本,秩序指定相应的os和arch即可。