what is the meaning of ENV GOEXE

[andyxning]

when run `go env`, i get the following output:

```

GOARCH="amd64"

GOBIN=""

GOEXE=""

GOHOSTARCH="amd64"

GOHOSTOS="darwin"

GOOS="darwin"

GOPATH="/Users/andy/Github/go"

GORACE=""

GOROOT="/usr/local/go"

GOTOOLDIR="/usr/local/go/pkg/tool/darwin_amd64"

GO15VENDOREXPERIMENT="1"

CC="clang"

GOGCCFLAGS="-fPIC -m64 -pthread -fno-caret-diagnostics -Qunused-arguments -fmessage-length=0 -fno-common"

CXX="clang++"

CGO_ENABLED="1"

```

what makes me confused is the GOEXE env, i googled it but found nothing.

[Anmol Sethi]

I looked in the Go source code. You can’t actually set it as a environment variable. It’s the value of the executable suffix. It’s set automatically in build.go. Like if running on windows, it is '.exe’ or for c-archives it is ‘.a’.

I don’t think it matters for an end user.

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[Andy Xie]

​thanks. Just run `go env` and see it and is curious about it.

======= 

Ning Xie

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