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cmd/go, cmd/compile: match tool versions
This change passes runtime.Version from the go tool to the compiler. If the versions do not match, the compilation fails. The result is a go tool from one GOROOT will complain loudly if it is invoked with a different GOROOT value. Only release versions are checked, so that when developing Go you can still use "go install cmd/go" and "go install cmd/compile" separately. Fixes #19064 Change-Id: I17e184d07d3c1092b1d9af53ba55ed3ecf67791d Reviewed-on: https://go-review.googlesource.com/42595 Run-TryBot: David Crawshaw <[email protected]> TryBot-Result: Gobot Gobot <[email protected]> Reviewed-by: Ian Lance Taylor <[email protected]>
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// Copyright 2017 The Go Authors. All rights reserved. | ||
// Use of this source code is governed by a BSD-style | ||
// license that can be found in the LICENSE file. | ||
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// This file contains extra hooks for testing the go command. | ||
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// +build testgo | ||
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package work | ||
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import "os" | ||
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func init() { | ||
if v := os.Getenv("TESTGO_VERSION"); v != "" { | ||
runtimeVersion = v | ||
} | ||
} |