[pkg-gnupg-maint] Bug#866555: Bug#866555: src:gpgme1.0: Build for all python3 versions or change build-dep

[Daniel Kahn Gillmor]

On Thu 2017-06-29 23:02:39 -0400, Scott Kitterman wrote:
> This package declares a build-depends on python3-all-dev, but does not build
> using other the default python3 version.  It it preferable to build for all
> supported python3 versions.  Alternately, changing the build-dep to
> python3-dev would eliminate complications with tracking python3 transitions.
>
> After rebuilding with python3.5 and python3.6 as supported, the only binary
> content shown in the build log [1] is (built for python3.5):
>
> /usr/lib/python3/dist-packages/gpg/_gpgme.cpython-35m-x86_64-linux-gnu.so
>
> Scott K
>
> [1] https://buildd.debian.org/status/fetch.php?pkg=gpgme1.0&arch=amd64&ver=1.8.0-3%2Bb3&stamp=1498770963&raw=0

ugh, this was worked around in 27e7d80efc4f1b4f41cd8c3e733073a8e3c470bd
by forcing python 3.6, but then that failed in unstable once unstable's
python3 became python 3.6 and left out python 3.6 :/

and upstream seems like they're not inclined to make their build suites
any more flexible:

    https://dev.gnupg.org/T3354

Is there a general preference for this situation?  Seems like the
options are:

(a) just go with python3-dev and tie the python3-gpg package to the
    latest "official" version of python3, which means that it won't work
    with any other version of python installed.

(b) i manually tweak the version-forcing patches and try to keep them in
    line with whatever versions of python are in unstable (which means
    this bug probably gets reopened whenever there's a new minor version
    of python added to (or removed from) unstable.

i'm not super happy about either option, but i'm leaning toward (b).

    --dkg
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