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cmd/link: race detector: doesn't work on OS X with CGO_ENABLED=0 #12844

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Thomasdezeeuw opened this issue Oct 5, 2015 · 4 comments
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cmd/link: race detector: doesn't work on OS X with CGO_ENABLED=0 #12844

Thomasdezeeuw opened this issue Oct 5, 2015 · 4 comments
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@Thomasdezeeuw
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@Thomasdezeeuw Thomasdezeeuw commented Oct 5, 2015

Following up on https://groups.google.com/forum/#!topic/golang-nuts/7ZKusMdkNz4.

What version of Go are you using (go version)?
go 1.5.1

What operating system and processor architecture are you using?
OS X 10.10.5

What did you do?
Run go run -race main.go on any valid go file.

What did you expect to see?
A running go binary with the race detector enabled.

What did you see instead?
The following error log:

go version go1.5.1 darwin/amd64
# command-line-arguments
runtime/race(__TEXT/__text): malloc: not defined
runtime/race(__TEXT/__text): malloc: not defined
runtime/race(__TEXT/__text): free: not defined
runtime/race(__TEXT/__text): free: not defined
runtime/race(__TEXT/__text): malloc: not defined
runtime/race(__TEXT/__text): malloc: not defined
runtime/race(__TEXT/__text): memcpy: not defined
runtime/race(__TEXT/__text): malloc: not defined
runtime/race(__TEXT/__text): memcpy: not defined
runtime/race(__TEXT/__text): malloc: not defined
runtime/race(__TEXT/__text): malloc: not defined
runtime/race(__TEXT/__text): memcpy: not defined
runtime/race(__TEXT/__text): malloc: not defined
runtime/race(__TEXT/__text): setrlimit: not defined
runtime/race(__TEXT/__text): getpid: not defined
runtime/race(__TEXT/__text): getpid: not defined
runtime/race(__TEXT/__text): getpid: not defined
runtime/race(__TEXT/__text): __error: not defined
runtime/race(__TEXT/__text): exit: not defined
runtime/race(__TEXT/__text): usleep: not defined
runtime/race(__TEXT/__text): sched_yield: not defined
/go/go1.5/pkg/tool/darwin_amd64/link: too many errors

@ianlancetaylor suggested that I open this issue with the request that either the race detector works with CGO_ENABLED=0, or that it prints a meaningful error message explaining that CGO_ENABLED=1 is required.

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@minux minux commented Oct 5, 2015

@ianlancetaylor

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@ianlancetaylor ianlancetaylor commented Oct 5, 2015

@minux That is entirely understandable, but we need a better error message.

@ianlancetaylor ianlancetaylor changed the title runtime: race detector: doesn't work on OS X with CGO_ENABLED=0 cmd/link: race detector: doesn't work on OS X with CGO_ENABLED=0 Oct 5, 2015
@ianlancetaylor ianlancetaylor added this to the Go1.6 milestone Oct 5, 2015
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@gopherbot gopherbot commented Oct 6, 2015

CL https://golang.org/cl/15440 mentions this issue.

@minux minux closed this in 007ee63 Oct 6, 2015
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@Thomasdezeeuw Thomasdezeeuw commented Oct 6, 2015

Thank for the quick fix.

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