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cmd/go: cannot find main module, while building opencontainers/runc #30869

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sudeeshjohn opened this issue Mar 15, 2019 · 3 comments
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cmd/go: cannot find main module, while building opencontainers/runc #30869

sudeeshjohn opened this issue Mar 15, 2019 · 3 comments
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FrozenDueToAge modules NeedsInvestigation Someone must examine and confirm this is a valid issue and not a duplicate of an existing one. WaitingForInfo Issue is not actionable because of missing required information, which needs to be provided.

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@sudeeshjohn
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What version of Go are you using (go version)?

$ go version
go version devel +cb8054a6b6 Fri Mar 15 04:15:59 2019 +0000 linux/amd64

Does this issue reproduce with the latest release?

No.

What operating system and processor architecture are you using (go env)?

go env Output
$ go env
go version devel +cb8054a6b6 Fri Mar 15 04:15:59 2019 +0000 linux/amd64
root@ubuntu18:/go/src/github.com/weaveworks/weave# go env
GOARCH="amd64"
GOBIN=""
GOCACHE="/root/.cache/go-build"
GOEXE=""
GOFLAGS=""
GOHOSTARCH="amd64"
GOHOSTOS="linux"
GOOS="linux"
GOPATH="/go"
GOPROXY=""
GORACE=""
GOROOT="/go/src/golang/go"
GOTMPDIR=""
GOTOOLDIR="/go/src/golang/go/pkg/tool/linux_amd64"
GCCGO="gccgo"
CC="gcc"
CXX="g++"
CGO_ENABLED="1"
GOMOD="/dev/null"
CGO_CFLAGS="-g -O2"
CGO_CPPFLAGS=""
CGO_CXXFLAGS="-g -O2"
CGO_FFLAGS="-g -O2"
CGO_LDFLAGS="-g -O2"
PKG_CONFIG="pkg-config"
GOGCCFLAGS="-fPIC -m64 -pthread -fmessage-length=0 -fdebug-prefix-map=/tmp/go-build376968183=/tmp/go-build -gno-record-gcc-switches"

What did you do?

git clone https://github.com/opencontainers/runc.git
cd runc
make

What did you expect to see?

make should be successful

What did you see instead?

root@ubuntu18:/go/src/github.com/opencontainers/runc# make
go build -buildmode=pie  -ldflags "-X main.gitCommit="7341c22d46a3de49fe9fdb546f33065296200d99" -X main.version=1.0.0-rc6+dev " -tags "seccomp" -o runc .
go: cannot find main module, but found vendor.conf in /go/src/github.com/opencontainers/runc
	to create a module there, run:
	go mod init
Makefile:33: recipe for target 'runc' failed
make: *** [runc] Error 1
root@ubuntu18:/go/src/github.com/opencontainers/runc#
@katiehockman
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It seems like this is related to #30868
With GO111MODULE=on as the default at tip, that's probably why you're seeing this error now. https://github.com/opencontainers/runc isn't a module, and it looks like the go command is failing to build because it expects one.

/cc @bcmills up to you whether or not you want to mark this as a duplicate of the other issue.

@katiehockman katiehockman added the NeedsInvestigation Someone must examine and confirm this is a valid issue and not a duplicate of an existing one. label Mar 19, 2019
@katiehockman katiehockman changed the title go: cannot find main module, while building runc , weave cmd/go: cannot find main module, while building opencontainers/runc Mar 19, 2019
@bcmills
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bcmills commented Mar 28, 2019

This seems like an issue to file against github.com/opencontainers/runc. Fundamentally, if you want to build a module in module mode, then it needs a go.mod file.

What happens if you run the suggested go mod init command?

@bcmills bcmills added WaitingForInfo Issue is not actionable because of missing required information, which needs to be provided. modules labels Mar 28, 2019
@gopherbot
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Timed out in state WaitingForInfo. Closing.

(I am just a bot, though. Please speak up if this is a mistake or you have the requested information.)

@golang golang locked and limited conversation to collaborators Apr 27, 2020
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@bcmills @sudeeshjohn @gopherbot @katiehockman