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https://github.com/golang/go
synced 2024-11-08 03:26:11 -07:00
519474451a
This is a subset of https://golang.org/cl/20022 with only the copyright header lines, so the next CL will be smaller and more reviewable. Go policy has been single space after periods in comments for some time. The copyright header template at: https://golang.org/doc/contribute.html#copyright also uses a single space. Make them all consistent. Change-Id: Icc26c6b8495c3820da6b171ca96a74701b4a01b0 Reviewed-on: https://go-review.googlesource.com/20111 Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org> Reviewed-by: Ian Lance Taylor <iant@golang.org> Reviewed-by: Matthew Dempsky <mdempsky@google.com> TryBot-Result: Gobot Gobot <gobot@golang.org>
68 lines
1.4 KiB
Go
68 lines
1.4 KiB
Go
// Copyright 2012 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package main
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import (
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"bytes"
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"fmt"
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)
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/*
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* Helpers for building cmd/go and cmd/cgo.
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*/
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// mkzdefaultcc writes zdefaultcc.go:
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//
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// package main
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// const defaultCC = <defaultcc>
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// const defaultCXX = <defaultcxx>
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//
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// It is invoked to write cmd/go/zdefaultcc.go
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// but we also write cmd/cgo/zdefaultcc.go
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func mkzdefaultcc(dir, file string) {
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var out string
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out = fmt.Sprintf(
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"// auto generated by go tool dist\n"+
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"\n"+
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"package main\n"+
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"\n"+
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"const defaultCC = `%s`\n"+
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"const defaultCXX = `%s`\n",
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defaultcctarget, defaultcxxtarget)
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writefile(out, file, writeSkipSame)
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// Convert file name to replace: turn go into cgo.
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i := len(file) - len("go/zdefaultcc.go")
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file = file[:i] + "c" + file[i:]
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writefile(out, file, writeSkipSame)
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}
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// mkzcgo writes zcgo.go for go/build package:
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//
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// package build
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// var cgoEnabled = map[string]bool{}
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//
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// It is invoked to write go/build/zcgo.go.
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func mkzcgo(dir, file string) {
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var buf bytes.Buffer
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fmt.Fprintf(&buf,
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"// auto generated by go tool dist\n"+
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"\n"+
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"package build\n"+
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"\n"+
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"var cgoEnabled = map[string]bool{\n")
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for plat, hasCgo := range cgoEnabled {
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if hasCgo {
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fmt.Fprintf(&buf, "\t%q: true,\n", plat)
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}
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}
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fmt.Fprintf(&buf, "}")
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writefile(buf.String(), file, writeSkipSame)
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}
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