go 解决 golinkname must refer to declared function or variable
目录
go 报错解决 golinkname must refer to declared function or variable
问题
在 执行 go mod tidy 时报错，如下
golang.org/x/sys/unix
## golang.org/x/sys/unix
../../pkg/mod/golang.org/x/sys@v0.0.0-20200930185726-fdedc70b468f/unix/syscall_darwin.1_13.go:29:3: //go:linkname must refer to declared function or variable
../../pkg/mod/golang.org/x/sys@v0.0.0-20200930185726-fdedc70b468f/unix/zsyscall_darwin_amd64.1_13.go:27:3: //go:linkname must refer to declared function or variable
../../pkg/mod/golang.org/x/sys@v0.0.0-20200930185726-fdedc70b468f/unix/zsyscall_darwin_amd64.1_13.go:40:3: //go:linkname must refer to declared function or variable
../../pkg/mod/golang.org/x/sys@v0.0.0-20200930185726-fdedc70b468f/unix/zsyscall_darwin_amd64.go:28:3: //go:linkname must refer to declared function or variable
../../pkg/mod/golang.org/x/sys@v0.0.0-20200930185726-fdedc70b468f/unix/zsyscall_darwin_amd64.go:43:3: //go:linkname must refer to declared function or variable
../../pkg/mod/golang.org/x/sys@v0.0.0-20200930185726-fdedc70b468f/unix/zsyscall_darwin_amd64.go:59:3: //go:linkname must refer to declared function or variable
../../pkg/mod/golang.org/x/sys@v0.0.0-20200930185726-fdedc70b468f/unix/zsyscall_darwin_amd64.go:75:3: //go:linkname must refer to declared function or variable
../../pkg/mod/golang.org/x/sys@v0.0.0-20200930185726-fdedc70b468f/unix/zsyscall_darwin_amd64.go:90:3: //go:linkname must refer to declared function or variable
../../pkg/mod/golang.org/x/sys@v0.0.0-20200930185726-fdedc70b468f/unix/zsyscall_darwin_amd64.go:105:3: //go:linkname must refer to declared function or variable
../../pkg/mod/golang.org/x/sys@v0.0.0-20200930185726-fdedc70b468f/unix/zsyscall_darwin_amd64.go:121:3: //go:linkname must refer to declared function or variable
../../pkg/mod/golang.org/x/sys@v0.0.0-20200930185726-fdedc70b468f/unix/zsyscall_darwin_amd64.go:121:3: too many errors关键错误：golinkname must refer to declared function or variable
原因
这也太奇怪了，用了那么多年的 golang，第一次遇到这种情况，在官方 issue 和 网络文章的探索之后，发现这是由于有个库golang.org/x/sys 版本过旧导致出现这个错误
解决
执行 go get -u 更新这个库即可：
go get -u golang.org/x/sys更新完成之后重新执行 go mod tidy 就正常了
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