[Debian-med-packaging] Bug#766821: HELP: Bug#766821: relion: FTBFS: B-D on nonexistent openmpi-gcc

[Vincent Cheng]

On Sun, Oct 26, 2014 at 12:40 AM, Paul Gevers <elbrus at debian.org> wrote:
> On 26-10-14 07:37, Vincent Cheng wrote:
>>> Anny suggestion for a solution since I have no idea about those
>>> other architectures?
>>
>> Drop the build-dep on openmpi-gcc.
>>
>> You must make sure that the first build dependency in a set of
>> alternative build-deps is always installable, otherwise it's going to
>> FTBFS on the buildds (even if it builds fine for you locally). This
>> isn't an arch-specific problem if that's what you're concerned about;
>> if you had uploaded source+i386 (instead of amd64) packages, the amd64
>> build would have failed on the buildds instead.
>
> Or, if you want openmpi-gcc to be used on the architectures where it is
> available, use the arch syntax in the BD.
>
> e.g. (untested)
> Build-Depends: openmpi-gcc (amd64), libopenmpi-dev (!amd64)

Err, I'm pretty sure the syntax for arch-specific build-deps uses
brackets, not parentheses, i.e. openmpi-gcc [amd64] | libopenmpi-dev
[!amd64]. Also, openmpi-gcc isn't installable in sid on any arch,
including amd64.

Regards,
Vincent