code review 12372043: cmd/dist: fix build again

cmd/dist: fix build again

I am really bad at this. Didn't hg add this file.

[rsc, 2013-08-02 19:20:40]

Hello bradfitz (cc: golang-dev@googlegroups.com),

I'd like you to review this change to
https://code.google.com/p/go/

[rsc, 2013-08-02 19:20:45]

*** Submitted as https://code.google.com/p/go/source/detail?r=5cdc93018bcf ***

cmd/dist: fix build again

I am really bad at this. Didn't hg add this file.

TBR=bradfitz
CC=golang-dev
https://codereview.appspot.com/12372043

[bradfitz, 2013-08-02 19:59:07]

LGTM

Does this need to be added to hgignore too, like the runtime z files?
 On Aug 2, 2013 12:20 PM, <rsc@golang.org> wrote:

> Reviewers: bradfitz,
>
> Message:
> Hello bradfitz (cc: golang-dev@googlegroups.com),
>
> I'd like you to review this change to
> https://code.google.com/p/go/
>
>
> Description:
> cmd/dist: fix build again
>
> I am really bad at this. Didn't hg add this file.
>
> Please review this at
https://codereview.appspot.**com/12372043/<https://codereview.appspot.com/123...
>
> Affected files:
>   A src/cmd/dist/buildgo.c
>
>
> Index: src/cmd/dist/buildgo.c
> ==============================**==============================**=======
> new file mode 100644
> --- /dev/null
> +++ b/src/cmd/dist/buildgo.c
> @@ -0,0 +1,44 @@
> +// Copyright 2012 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.
> +
> +#include "a.h"
> +
> +/*
> + * Helpers for building cmd/go and cmd/cgo.
> + */
> +
> +// mkzdefaultcc writes zdefaultcc.go:
> +//
> +//     package main
> +//     const defaultCC = <defaultcc>
> +//
> +// It is invoked to write cmd/go/zdefaultcc.go
> +// but we also write cmd/cgo/zdefaultcc.go.
> +void
> +mkzdefaultcc(char *dir, char *file)
> +{
> +       Buf b, out;
> +
> +       USED(dir);
> +
> +       binit(&out);
> +       bprintf(&out,
> +               "// auto generated by go tool dist\n"
> +               "\n"
> +               "package main\n"
> +               "\n"
> +               "const defaultCC = `%s`\n",
> +               defaultcc);
> +
> +       writefile(&out, file, 0);
> +
> +       // Convert file name to replace.
> +       binit(&b);
> +       bwritestr(&b, file);
> +       bsubst(&b, "/go/zdefaultcc.go", "/cgo/zdefaultcc.go");
> +       writefile(&out, bstr(&b), 0);
> +
> +       bfree(&b);
> +       bfree(&out);
> +}
>
>
>

[rsc, 2013-08-03 01:34:20]

Yes, CL sent.