On Thu, Apr 07, 2016 at 05:28:29AM +0100, Olly Betts wrote: > On Thu, Mar 24, 2016 at 11:22:44PM +0100, Christian Hofstaedtler wrote: > > * Olly Betts <olly@survex.com> [160324 22:56]: > > > On Thu, Mar 24, 2016 at 07:52:56PM +0100, Christian Hofstaedtler wrote: > > > > BTW, there's a pkg-config file if you don't want to go via > > > > RbConfig::CONFIG; if you do, it appears the relevant snippet is: > > > > print RbConfig::CONFIG['DLDFLAGS'] + ' ' + RbConfig::CONFIG['LIBRUBYARG_SHARED'] + ' ' + RbConfig::CONFIG['LIBS'] > > OK, so this doesn't help - we're already linking with -lruby2.x but > because no symbols are used, we don't get a dependency. > > > > Thanks very much for this additional detail - I had had a brief look and > > > failed to grasp what was going awry with the automatic dependency. I > > > think I now actually understand what's going on. > > > > Yeah sorry about that, I was also confused what was going on. Still > > not too sure what the best way to fix this is. > > > > In case your package only builds for a single ruby version (I think > > that's the case), putting this into debian/control is also an > > option: > > Actually it'll build for all reported ruby versions - that's been a > list with just one entry for a while now, but it seems a shame to lose > this support unless the plan is that it'll always be a one entry list in > the future. The plan is for each release to be shipped with a single supported Ruby version, and only have multiple ones exactly during transitions. Keeping that support in is appreciated. > > | RUBY_DEPENDS := -Vruby:Depends="lib$(firstword $(shell dh_ruby --print-supported))" > > | > > | override_dh_gencontrol: > > | dh_gencontrol -- $(RUBY_DEPENDS) > > > > (Probably not the most stable thing to do.) > > I've implemented something similar, but with alternates - e.g. if the list of > ruby versions were 2.1 2.2 2.3, the generated dependency would be: > > Depends: libruby2.3|libruby2.1|libruby2.2 > > That should do the job, but I'm open to better ideas. That should work.
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