Added some missing dependencies for linux x-compile

[cbednarski]

No description provided.

[cbednarski]

This is still broken for me:

==> Getting dependencies...
==> Removing old directory...
==> Building...
Number of parallel builds: 7

-->   windows/amd64: github.com/hashicorp/nomad
-->       linux/386: github.com/hashicorp/nomad
-->    darwin/amd64: github.com/hashicorp/nomad
-->     windows/386: github.com/hashicorp/nomad
-->     linux/amd64: github.com/hashicorp/nomad

2 errors occurred:
--> linux/amd64 error: exit status 2
Stderr: # runtime/cgo
ld: unknown option: --build-id=none
clang: error: linker command failed with exit code 1 (use -v to see invocation)

--> linux/386 error: exit status 2
Stderr: # runtime/cgo
ld: unknown option: --build-id=none
clang: error: linker command failed with exit code 1 (use -v to see invocation)

make: *** [bin] Error 1

[cbednarski]

Possibly related to #421

[carlosdp]

@cbednarski I don't think so, I still get the ld error with #421, and os/user is still imported (just for the User struct)

Edit: though I guess removing os/user entirely could be worth a try?

[cbednarski]

@carlosdp yeah I'm still not sure why the --build-id=none thing is happening but this fixes part of the problem.

[carlosdp]

I searched around but it's one of those errors that's too generic to be useful =(

[carlosdp]

@cbednarski @mitchellh is there a reason you guys are still using goxc? Go 1.5 has really good cross-compiling out of the box now, did you guys evaluate it and find it to be insufficient?

I've just been compiling with GOOS=linux GOARCH=amd64 go build (etc.) for my builld.

[legal90]

@cbednarski Have you already fixed that issue for you? Could you please share the solution? :)
Otherwise, it might be reasonable to open a new issue here...

2 errors occurred:
--> linux/386 error: exit status 2
Stderr: # runtime/cgo
ld: unknown option: --build-id=none
clang: error: linker command failed with exit code 1 (use -v to see invocation)

--> linux/amd64 error: exit status 2
Stderr: # runtime/cgo
ld: unknown option: --build-id=none
clang: error: linker command failed with exit code 1 (use -v to see invocation)

[dadgar]

I believe that issue is when compiling 386 on an amd64 version of linux without the correct headers.

[legal90]

@dadgar In my case above this error occurred while building on OS X 10.11.

[dadgar]

@legal90 yeah Nomad has cgo dependencies so you can't easily cross compile. Specifically user.Lookup

[github-actions]

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