x/text: cgo更改破坏了darwin.org/x/text/collate/tools/colcmp,

c0vxltue 于 4个月前发布在 Go

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The golang.org/x/text/collate/tools/colcmp binary no longer compiles at Go tip. (It works at Go 1.9 and Go 1.8)
https://build.golang.org/log/6a0073f83d8b33849ca6b8f57120b1161e849c32

# golang.org/x/text/collate/tools/colcmp
/var/folders/dx/k53rs1s93538b4x20g46cj_w0000gn/T/workdir/gopath/src/golang.org/x/text/collate/tools/colcmp/darwin.go:41: cannot use nil as type _Ctype_CFAllocatorRef in argument to _Cfunc_CFStringCreateWithBytes
/var/folders/dx/k53rs1s93538b4x20g46cj_w0000gn/T/workdir/gopath/src/golang.org/x/text/collate/tools/colcmp/darwin.go:48: cannot use nil as type _Ctype_CFAllocatorRef in argument to func literal
/var/folders/dx/k53rs1s93538b4x20g46cj_w0000gn/T/workdir/gopath/src/golang.org/x/text/collate/tools/colcmp/darwin.go:76: cannot use nil as type _Ctype_CFAllocatorRef in argument to _Cfunc_CFStringCreateWithCharactersNoCopy
/var/folders/dx/k53rs1s93538b4x20g46cj_w0000gn/T/workdir/gopath/src/golang.org/x/text/collate/tools/colcmp/darwin.go:79: cannot use nil as type _Ctype_CFAllocatorRef in argument to _Cfunc_CFStringCreateWithCharactersNoCopy
/var/folders/dx/k53rs1s93538b4x20g46cj_w0000gn/T/workdir/gopath/src/golang.org/x/text/collate/tools/colcmp/darwin.go:82: cannot use nil as type _Ctype_CFAllocatorRef in argument to _Cfunc_CFStringCreateWithCharactersNoCopy
/var/folders/dx/k53rs1s93538b4x20g46cj_w0000gn/T/workdir/gopath/src/golang.org/x/text/collate/tools/colcmp/darwin.go:85: cannot use nil as type _Ctype_CFAllocatorRef in argument to _Cfunc_CFStringCreateWithCharactersNoCopy
/var/folders/dx/k53rs1s93538b4x20g46cj_w0000gn/T/workdir/gopath/src/golang.org/x/text/collate/tools/colcmp/darwin.go:93: cannot use nil as type _Ctype_CFAllocatorRef in argument to _Cfunc_CFStringCreateWithBytesNoCopy
/var/folders/dx/k53rs1s93538b4x20g46cj_w0000gn/T/workdir/gopath/src/golang.org/x/text/collate/tools/colcmp/darwin.go:98: cannot use nil as type _Ctype_CFAllocatorRef in argument to _Cfunc_CFStringCreateWithBytesNoCopy
/var/folders/dx/k53rs1s93538b4x20g46cj_w0000gn/T/workdir/gopath/src/golang.org/x/text/collate/tools/colcmp/darwin.go:101: cannot use nil as type _Ctype_CFAllocatorRef in argument to _Cfunc_CFStringCreateWithBytesNoCopy
/var/folders/dx/k53rs1s93538b4x20g46cj_w0000gn/T/workdir/gopath/src/golang.org/x/text/collate/tools/colcmp/darwin.go:106: cannot use nil as type _Ctype_CFAllocatorRef in argument to _Cfunc_CFStringCreateWithBytesNoCopy
/var/folders/dx/k53rs1s93538b4x20g46cj_w0000gn/T/workdir/gopath/src/golang.org/x/text/collate/tools/colcmp/darwin.go:106: too many errors

go

来源：https://github.com/golang/go/issues/22900