Can someone explain to me why this works? I am cross-compiling for
arm5, but the executable works on amd64.
$ cat hello.go
package main
import "fmt"
func main() {
fmt.Println("hello")
}
$ GOARCH=arm GOARM=5 go build hello.go
$ ./hello
hello
$ go env
GOARCH="amd64"
GOBIN=""
GOEXE=""
GOHOSTARCH="amd64"
GOHOSTOS="linux"
GOOS="linux"
GOPATH="/home/daniel"
GORACE=""
GOROOT="/home/daniel/go"
GOTOOLDIR="/home/daniel/go/pkg/tool/linux_amd64"
CC="gcc"
GOGCCFLAGS="-fPIC -m64 -pthread -fmessage-length=0 -fdebug-prefix-
map=/tmp/go-build014006335=/tmp/go-build -gno-record-gcc-switches"
CXX="g++"
CGO_ENABLED="1"
$ go version
go version go1.7.4 linux/amd64
The executable also works on the arm5 device. I'm not worried, but I
don't understand how this works.
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