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cmd/go: not rebuilding something when cross-compiling nacl #13655

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bradfitz opened this issue Dec 17, 2015 · 4 comments
Closed

cmd/go: not rebuilding something when cross-compiling nacl #13655

bradfitz opened this issue Dec 17, 2015 · 4 comments
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Go1.6

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@bradfitz
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bradfitz@dev-bradfitz-debian2:~/go/src$ go env
GOARCH="amd64"
GOBIN=""
GOEXE=""
GOHOSTARCH="amd64"
GOHOSTOS="linux"
GOOS="linux"
GOPATH="/home/bradfitz"
GORACE=""
GOROOT="/home/bradfitz/go"
GOTOOLDIR="/home/bradfitz/go/pkg/tool/linux_amd64"
GO15VENDOREXPERIMENT="1"
CC="gcc"
GOGCCFLAGS="-fPIC -m64 -pthread -fmessage-length=0"
CXX="g++"
CGO_ENABLED="1"

bradfitz@dev-bradfitz-debian2:~/go/src$ go version
go version devel +d270a67 Thu Dec 17 17:56:15 2015 +0000 linux/amd64

bradfitz@dev-bradfitz-debian2:~/go/src$ git diff

bradfitz@dev-bradfitz-debian2:~/go/src$ GOOS=nacl GOARCH=amd64p32 go install std
# runtime
runtime/atomic_pointer.go:8: import /home/bradfitz/go/pkg/nacl_amd64p32/runtime/internal/atomic.a: object is [nacl amd64p32 devel +5ef8991 Thu Dec 10 19:12:13 2015 +0000 X:none] expected [nacl amd64p32 devel +d270a67 Thu Dec 17 17:56:15 2015 +0000 X:none]

Using -a unborks it:

bradfitz@dev-bradfitz-debian2:~/go/src$ GOOS=nacl GOARCH=amd64p32 go install -a std
# net
net/hook_unix.go:16: undefined: dnsDialer
bradfitz@dev-bradfitz-debian2:~/go/src$ GOOS=nacl GOARCH=amd64p32 go install std
# net
net/hook_unix.go:16: undefined: dnsDialer

(and now I get the error I was looking for)

But -a should not be required.
@bradfitz bradfitz added this to the Go1.6 milestone Dec 17, 2015
@bradfitz
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Same with Windows here:

bradfitz@dev-bradfitz-debian2:~/go/src$ GOOS=linux go install net
bradfitz@dev-bradfitz-debian2:~/go/src$ GOOS=windows go install net
# runtime
runtime/atomic_pointer.go:8: import /home/bradfitz/go/pkg/windows_amd64/runtime/internal/atomic.a: object is [windows amd64 devel +5ef8991 Thu Dec 10 19:12:13 2015 +0000 X:none] expected [windows amd64 devel +d270a67 Thu Dec 17 17:56:15 2015 +0000 X:none]

@ianlancetaylor
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Taking a look.

@ianlancetaylor
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https://golang.org/cl/17916 . I think I can write a test using go list.

@gopherbot
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CL https://golang.org/cl/17916 mentions this issue.

@golang golang locked and limited conversation to collaborators Dec 29, 2016
@rsc rsc removed their assignment Jun 23, 2022
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@bradfitz @rsc @ianlancetaylor @gopherbot