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cmd/go: Current 'go get' fails on some usages of 'import "C"' #11738

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siebenmann opened this issue Jul 16, 2015 · 7 comments
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cmd/go: Current 'go get' fails on some usages of 'import "C"' #11738

siebenmann opened this issue Jul 16, 2015 · 7 comments
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Go1.5

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@siebenmann
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On the current development git tip, an attempt to do 'go get -d github.com/derekparker/delve/cmd/dlv' fails for me with the following error message:

package github.com/derekparker/delve/cmd/dlv
    imports github.com/derekparker/delve/service
    imports github.com/derekparker/delve/service/api
    imports github.com/derekparker/delve/proc
    imports C: unrecognized import path "C"

I'm on 64-bit Fedora 22 Linux and I believe that this 'go get' is thus failing on the 'import "C"' in github.com/derekparker/delve/proc/breakpoints_linux_amd64.go. If I fetch the repo and so on by hand, I can do 'go install github.com/derekparker/delve/cmd/dlv' without problems; everything builds successfully. It's only the initial 'go get' that fails.

A run of git bisect reports that the first bad commit is af96030 'cmd/go: fix go get -u handling of changing dependencies', which at least appears to be a related change.
@ianlancetaylor ianlancetaylor changed the title Current 'go get' fails on some usages of 'import "C"' cmd/go: Current 'go get' fails on some usages of 'import "C"' Jul 16, 2015
@ianlancetaylor ianlancetaylor added this to the Go1.5 milestone Jul 16, 2015
@gopherbot
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CL https://golang.org/cl/12322 mentions this issue.

This was referenced Jul 17, 2015
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@dmitris
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dmitris commented Jul 17, 2015

Having the same issue when trying to do: go get -v github.com/docker/docker/... with the Go beta version go1.5beta2:

$ GOPATH=/tmp/go go get -v github.com/docker/docker/...github.com/docker/docker (download)
package github.com/docker/docker/api/client
    imports github.com/docker/docker/autogen/dockerversion
    imports github.com/docker/docker/autogen/dockerversion: cannot find package "github.com/docker/docker/autogen/dockerversion" in any of:
    [$GOROOT]/src/github.com/docker/docker/autogen/dockerversion (from $GOROOT)
    /tmp/go/src/github.com/docker/docker/autogen/dockerversion (from $GOPATH)
import "C": import path does not begin with hostname
package github.com/docker/docker/api/server
    imports github.com/docker/docker/builder
    imports github.com/docker/docker/daemon
    imports github.com/docker/docker/pkg/graphdb
    imports code.google.com/p/gosqlite/sqlite3
    imports C: unrecognized import path "C"

@GeertJohan GeertJohan mentioned this issue Jul 17, 2015
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@GeertJohan
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Having the same problem in go-gorp's travis-CI build with go tip.
https://travis-ci.org/go-gorp/gorp/builds/71365357

cc @nelsam

@ricsmania
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I'm also having this problem on Windows x64. x86 seems to be working.

@ianlancetaylor
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There is a patch out for review: https://golang.org/cl/12322 .

@btracey
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btracey commented Jul 29, 2015

We are seeing this failure in gonum. It is currently passing on Go 1.4 and failing on 1.5beta2.

Pull Request: gonum/lapack#21
Travis Report: https://travis-ci.org/gonum/lapack/builds/73222462
Detailed Failure message: https://travis-ci.org/gonum/lapack/jobs/73222477

@btracey
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btracey commented Jul 29, 2015

Oh, I see. This was fixed after beta2. Sorry.

@huichen huichen mentioned this issue Sep 7, 2015
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@dmitris @GeertJohan @siebenmann @ianlancetaylor @btracey @ricsmania @gopherbot