[Bug 1494441] Re: ppc64el: cannot find package "encoding"

[Dave Cheney]

** Tags removed: blocker

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https://bugs.launchpad.net/bugs/1494441

Title:
  ppc64el: cannot find package "encoding"

Status in juju-core:
  Fix Committed
Status in gccgo-go package in Ubuntu:
  Invalid
Status in gccgo-go source package in Trusty:
  In Progress

Bug description:
  [Impact]
  There is a packaging bug that means that go packages that import the little used standard library package "encoding" fail to compile.

  [Test case]
  $ cat enctest.go 
  package main

  import (_ "encoding")

  func main() {}
  $ go run enctest.go 
  enctest.go:3:9: cannot find package "encoding" in any of:
  	/usr/src/pkg/encoding (from $GOROOT)
  	($GOPATH not set)

  [Regression potential]
  None that I can see.

  Original description follows:

  Bug 1440940  has reappeared in ppc64el unit tests and now affects building binaries.
      http://reports.vapour.ws/releases/3044/job/run-unit-tests-trusty-ppc64el/attempt/3787
      http://reports.vapour.ws/releases/3044/job/build-binary-trusty-ppc64el/attempt/323

  make build
  skipping godeps
  go build github.com/juju/juju/...
  ../httprequest/marshal.go:8:2: cannot find package "encoding" in any of:
   /usr/src/pkg/encoding (from $GOROOT)
   /home/ubuntu/juju-core_1.26-alpha1/src/encoding (from $GOPATH)
  make: *** [build] Error 1

  Unlike the first occurrence, we now use a machine that only gets
  trusty-updates and has only ever been used to run "make test" on the
  unpacked tree. Binaries are built in pristine containers provisioned
  to match the Lp build conditions.

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