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cmd/nm: TestInternalLinkerCgoExec fails #33028

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pubblic opened this issue Jul 10, 2019 · 5 comments
Closed

cmd/nm: TestInternalLinkerCgoExec fails #33028

pubblic opened this issue Jul 10, 2019 · 5 comments
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@pubblic
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pubblic commented Jul 10, 2019

Please answer these questions before submitting your issue. Thanks!

What did you do?

Home@HOME MINGW64 ~/src
$ CGO_ENABLED=1 go test cmd/nm
        --- FAIL: TestInternalLinkerCgoExec (6.44s)
    nm_test.go:111: building test executable failed: exit status 2 # command-line-arguments
        runtime/cgo(.text): relocation target __acrt_iob_func not defined for ABI0 (but is defined for ABI0)
        runtime/cgo(.text): relocation target __acrt_iob_func not defined for ABI0 (but is defined for ABI0)
        runtime/cgo(.text): relocation target __acrt_iob_func not defined for ABI0 (but is defined for ABI0)
FAIL
FAIL    cmd/nm  12.447s

Home@HOME MINGW64 ~/src
$ go bug

Home@HOME MINGW64 ~/src
$ go test cmd/nm
--- FAIL: TestInternalLinkerCgoExec (8.49s)
    nm_test.go:111: building test executable failed: exit status 2 # command-line-arguments
        runtime/cgo(.text): relocation target __acrt_iob_func not defined for ABI0 (but is defined for ABI0)
        runtime/cgo(.text): relocation target __acrt_iob_func not defined for ABI0 (but is defined for ABI0)
        runtime/cgo(.text): relocation target __acrt_iob_func not defined for ABI0 (but is defined for ABI0)
FAIL
FAIL    cmd/nm  13.440s

What did you expect to see?

test pass

What did you see instead?

test fail

System details

go version go1.12.7 windows/amd64
GOARCH="amd64"
GOBIN=""
GOCACHE="C:\Users\Home\lib\go\cache"
GOEXE=".exe"
GOFLAGS=""
GOHOSTARCH="amd64"
GOHOSTOS="windows"
GOOS="windows"
GOPATH="C:\Users\Home\lib\go"
GOPROXY=""
GORACE=""
GOROOT="C:\Go"
GOTMPDIR=""
GOTOOLDIR="C:\Go\pkg\tool\windows_amd64"
GCCGO="gccgo"
CC="gcc"
CXX="g++"
CGO_ENABLED="1"
GOMOD=""
GOROOT/bin/go version: go version go1.12.7 windows/amd64
GOROOT/bin/go tool compile -V: compile version go1.12.7
@ianlancetaylor
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CC @aclements

@alexbrainman
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@pubblic thank you for reporting the issue.

What does command

gcc --version

prints on your computer?

I am pretty sure this is dup of #23649.

runtime/cgo(.text): relocation target __acrt_iob_func not defined for ABI0 (but is defined for ABI0)

I do not know what ABI0 is. I doubt, ABI0 is relevant here - linker just could not resolve __acrt_iob_func symbol. We do not know how to fix #23649, but at least we could improve the error message by not mentioning ABI0.

Alex

@pubblic
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pubblic commented Jul 13, 2019

my gcc version is

$ gcc --version
gcc.exe (Rev3, Built by MSYS2 project) 9.1.0
Copyright (C) 2019 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

@alexbrainman
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my gcc version is

$ gcc --version
gcc.exe (Rev3, Built by MSYS2 project) 9.1.0

Thank you for confirming.

You are using fairly recent version of gcc. Some Go linker functionality is broken with latest gcc (as you discovered and as described in #23649).

But, perhaps, you are not using this functionality. Do you have any other problems but broken cmd/nm.TestInternalLinkerCgoExec test? If not, I suggest you ignore cmd/nm: TestInternalLinkerCgoExec failure.

Alex

@pubblic
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pubblic commented Jul 13, 2019 

$ go clean -testcache && go test cmd/nm -v
=== RUN   TestInternalLinkerCgoExec
=== PAUSE TestInternalLinkerCgoExec
=== RUN   TestExternalLinkerCgoExec
=== PAUSE TestExternalLinkerCgoExec
=== RUN   TestCgoLib
=== PAUSE TestCgoLib
=== RUN   TestNonGoExecs
=== PAUSE TestNonGoExecs
=== RUN   TestGoExec
=== PAUSE TestGoExec
=== RUN   TestGoLib
=== PAUSE TestGoLib
=== CONT  TestInternalLinkerCgoExec
=== CONT  TestGoExec
=== CONT  TestGoLib
=== CONT  TestCgoLib
--- PASS: TestGoLib (1.20s)
=== CONT  TestExternalLinkerCgoExec
--- PASS: TestCgoLib (2.72s)
=== CONT  TestNonGoExecs
--- FAIL: TestInternalLinkerCgoExec (3.29s)
    nm_test.go:111: building test executable failed: exit status 2 # command-line-arguments
        runtime/cgo(.text): relocation target __acrt_iob_func not defined for ABI0 (but is defined for ABI0)
        runtime/cgo(.text): relocation target __acrt_iob_func not defined for ABI0 (but is defined for ABI0)
        runtime/cgo(.text): relocation target __acrt_iob_func not defined for ABI0 (but is defined for ABI0)
--- PASS: TestNonGoExecs (0.59s)
--- PASS: TestGoExec (4.24s)
--- PASS: TestExternalLinkerCgoExec (3.84s)
FAIL
FAIL    cmd/nm  7.475s

Only TestInernalLinkerCgoExec test fails, other tests do not.

@pubblic pubblic closed this as completed Jul 13, 2019
@aykevl aykevl mentioned this issue May 1, 2020
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@golang golang locked and limited conversation to collaborators Jul 12, 2020
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@ianlancetaylor @gopherbot @alexbrainman @pubblic