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x/text: cgo changes broke golang.org/x/text/collate/tools/colcmp on Darwin #22900

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bradfitz opened this issue Nov 28, 2017 · 3 comments
Open

x/text: cgo changes broke golang.org/x/text/collate/tools/colcmp on Darwin #22900

bradfitz opened this issue Nov 28, 2017 · 3 comments
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NeedsFix The path to resolution is known, but the work has not been done. OS-Darwin
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Unreleased

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@bradfitz
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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
@bradfitz bradfitz added the NeedsInvestigation Someone must examine and confirm this is a valid issue and not a duplicate of an existing one. label Nov 28, 2017
@ianlancetaylor ianlancetaylor added the NeedsFix The path to resolution is known, but the work has not been done. label Nov 28, 2017
@gopherbot gopherbot removed the NeedsInvestigation Someone must examine and confirm this is a valid issue and not a duplicate of an existing one. label Nov 28, 2017
@ianlancetaylor
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This is due to https://golang.org/cl/66332. It needs to be fixed in x/text.

@ianlancetaylor ianlancetaylor changed the title cmd/cgo: cgo changes broke golang.org/x/text/collate/tools/colcmp on Darwin x/text: cgo changes broke golang.org/x/text/collate/tools/colcmp on Darwin Nov 28, 2017
@gopherbot gopherbot added this to the Unreleased milestone Nov 28, 2017
@bradfitz
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Ah, great. I had a fix mostly done but wasn't sure why it was needed.

@gopherbot
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Change https://golang.org/cl/80215 mentions this issue: collate/tools/colcmp: fix some breakage from cftypes cgo changes in Go 1.10

gopherbot pushed a commit to golang/text that referenced this issue Nov 28, 2017
@bradfitz @mpvl
collate/tools/colcmp: fix some breakage from cftypes cgo changes in G…
572a2b1 
…o 1.10

I used C.kCFAllocatorDefault (defined as NULL in C) instead of 0 so
it'd compile on older Go versions.

After this change, only one compilation error remains:

./darwin.go:48: cannot use l (type _Ctype_CFStringRef) as type *_Ctype_struct___CFString in argument to func literal

Updates golang/go#22900

Change-Id: I55dfbf560c18b4ebaedf4d96340423c0b1ae445a
Reviewed-on: https://go-review.googlesource.com/80215
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Marcel van Lohuizen <mpvl@golang.org>
@kevinburkeotto kevinburkeotto mentioned this issue Dec 5, 2017
Closed
@mtibben mtibben mentioned this issue Dec 10, 2017
Closed
@rsc rsc unassigned mpvl Jun 23, 2022
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