tag 677474 wontfix thanks On Thu, 2012-06-14 at 10:19:58 +0200, Joachim Breitner wrote: > Package: dpkg-dev > Version: 1.16.4.2 > Severity: wishlist > X-Debbugs-CC: [email protected]
> currently a Debian source package specifies its build dependencies in > debian/control; this information gets copied by dpkg-source to the .dsc > file. From there it reaches the Source file which is taken into account > by our infrastructure, e.g. the build daemons and tools like apt-get > build-dep. Therefore, the data in .dsc is the effective copy. > > I would like to see more flexibility in dpkg-source as to where the > effective build depends come from. My use case are (as you might guess) > Haskell packages. If you look at > http://ftp.de.debian.org/debian/pool/main/h/haskell-yesod/haskell-yesod_1.0.1.6-1.dsc > you see it has a very long list of build dependencies. If you’d compare > that to > http://hackage.haskell.org/packages/archive/yesod/1.0.1.6/yesod.cabal > you’d see that the process of creating the build dependencies is a > mostly mechanical process and doing that manually is a waste of human > developer time and a source for mistakes (which lead to FTBFSes and > hence more waste in buildd and buildd admin time). > > For binary dependencies, thia issue is solved already: Using substvars > we leave it to the build process to figure out the correct dependencies. > This has worked great so far. I would like to be able to do the same for > build dependencies. > > Here is my suggestion: dpkg-source already supports substvars. What > needs to be added: > * A dpkg-source option to enable all this, say > --enable-control-substvars (meant to go to > debian/source/options) > * A way to pass the -T option to dpkg-source in > debian/source/options (currently not possible, although this is > not clearly documented) > * When --enable-control-substvars option is enabled, dpkg-source > will call "debian/rules source-substvars" after "debian/rules > clean" and after creating the debian.tar.gz files, but before > creating the .dsc file¹ > * When creating the .dsc file, substvars specified in the file > specified in -T may be used in Build-Depends and related fields. > > One downside is that dpkg-source cannot check the build dependencies > completely when calling debian/source clean, as it does now, but can > only check those that are given directly in debian/rules; at this stage > it should just ignore any substvars. > > Comments? Sorry, but this is not going to happen, the fact that these source handling programs do not automatically honour substvars is on purpose. It's the same principle as in #5210 and friends. Tagging accordingly. thanks, guillem -- To UNSUBSCRIBE, email to [email protected] with a subject of "unsubscribe". Trouble? Contact [email protected]
