[pkg-go] Strange build failure on ppc64 only

[Sascha Steinbiss]

Hi all,

I have noticed that the ppc64 build for a Go package I co-maintain failed [1] with the following error message:

[…]
go build github.com/google/stenographer/blockfile: no buildable Go source files in /<<PKGBUILDDIR>>/obj-powerpc64-linux-gnu/src/github.com/google/stenographer/blockfile
[…]

while all other supported archs are unaffected and build fine [2]. Any ideas? I can reproduce the issue on pizzetti.debian.org.
The only thing that struck me as out of the ordinary is that the package in question uses C components and the ppc64 build seems to be missing support for cgo. At least /usr/lib/go-1.7/pkg/linux_ppc64/runtime/cgo.a seems to be missing? (Maybe I’m way off here…)

If that is indeed the problem I’d be happy to remove ppc64 from the list of supported archs.

Thanks and kind regards
Sascha


[1] https://buildd.debian.org/status/fetch.php?pkg=stenographer&arch=ppc64&ver=0.0~git20161206.0.66a8e7e-4&stamp=1485220126&raw=0
[2] https://buildd.debian.org/status/package.php?p=stenographer
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