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go/toolchain/current/src/runtime/signal_unix.go:27: _SIG_DFL redeclared in this block #19143

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xor-gate opened this issue Feb 17, 2017 · 5 comments
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go/toolchain/current/src/runtime/signal_unix.go:27: _SIG_DFL redeclared in this block #19143

xor-gate opened this issue Feb 17, 2017 · 5 comments
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@xor-gate
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Please answer these questions before submitting your issue. Thanks!

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

go version go1.8 linux/amd64

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

Debian 8 Jessie AMD64.

GOARCH="amd64"
GOBIN="/home/jjacobs/go/bin"
GOEXE=""
GOHOSTARCH="amd64"
GOHOSTOS="linux"
GOOS="linux"
GOPATH="/home/jjacobs/go"
GORACE=""
GOROOT="/home/jjacobs/go/toolchain/current"
GOTOOLDIR="/home/jjacobs/go/toolchain/current/pkg/tool/linux_amd64"
GCCGO="gccgo"
CC="gcc"
GOGCCFLAGS="-fPIC -m64 -pthread -fmessage-length=0 -fdebug-prefix-map=/tmp/go-build292127142=/tmp/go-build -gno-record-gcc-switches"
CXX="g++"
CGO_ENABLED="1"
PKG_CONFIG="pkg-config"
CGO_CFLAGS="-g -O2"
CGO_CPPFLAGS=""
CGO_CXXFLAGS="-g -O2"
CGO_FFLAGS="-g -O2"
CGO_LDFLAGS="-g -O2"

What did you do?

Try to compile the most simple go program:

package main

func main() {
}

What did you expect to see?

No errors during compilation

What did you see instead?

Redeclaration errors from stdlib

jjacobs@dev04:~$ go run main.go 
# runtime
go/toolchain/current/src/runtime/signal_unix.go:27: _SIG_DFL redeclared in this block
        previous declaration at go/toolchain/current/src/runtime/signal1_unix.go:15
go/toolchain/current/src/runtime/signal_unix.go:28: _SIG_IGN redeclared in this block
        previous declaration at go/toolchain/current/src/runtime/signal1_unix.go:16
go/toolchain/current/src/runtime/signal_unix.go:37: fwdSig redeclared in this block
        previous declaration at go/toolchain/current/src/runtime/signal1_unix.go:25
go/toolchain/current/src/runtime/signal_unix.go:42: disableSigChan redeclared in this block
        previous declaration at go/toolchain/current/src/runtime/signal1_unix.go:35
go/toolchain/current/src/runtime/signal_unix.go:43: enableSigChan redeclared in this block
        previous declaration at go/toolchain/current/src/runtime/signal1_unix.go:36
go/toolchain/current/src/runtime/signal_unix.go:44: maskUpdatedChan redeclared in this block
        previous declaration at go/toolchain/current/src/runtime/signal1_unix.go:37
go/toolchain/current/src/runtime/signal_unix.go:56: signalsOK redeclared in this block
        previous declaration at go/toolchain/current/src/runtime/signal1_unix.go:49
go/toolchain/current/src/runtime/signal_unix.go:62: initsig redeclared in this block
        previous declaration at go/toolchain/current/src/runtime/signal1_unix.go:55
go/toolchain/current/src/runtime/signal_unix.go:97: sigInstallGoHandler redeclared in this block
        previous declaration at go/toolchain/current/src/runtime/signal1_unix.go:90
go/toolchain/current/src/runtime/signal_unix.go:122: sigenable redeclared in this block
        previous declaration at go/toolchain/current/src/runtime/signal1_unix.go:115
go/toolchain/current/src/runtime/signal_unix.go:122: too many errors
@xor-gate
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Sorry guys for the noise. It seemed I had corrupted my $HOME/go/toolchains/1.8 folder myself and mixed with 1.7.1.

Thank you for this awesome release 💃

@prvst
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prvst commented Feb 17, 2017

Hi @xor-gate ;
I'm having the exact same issue, can you tell me how did you fixed that?

@xor-gate
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Remove all your golang toolchains and pkg folders. Then unpack a fresh download, set env vars and start typing :+)

@prvst
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prvst commented Feb 17, 2017

@xor-gate Thanks!

@la0rg
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la0rg commented Feb 18, 2017

In case some else will have the same issue:

If you are upgrading from an older version of Go you must first remove the existing version.
To remove an existing Go installation from your system delete the go directory. This is usually /usr/local/go under Linux, Mac OS X, and FreeBSD or c:\Go under Windows.

Source

@gyliu513 gyliu513 mentioned this issue May 2, 2017
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@prvst @xor-gate @gopherbot @la0rg