[Bug 1734339] Re: Add an Ubuntu build profile

[Jeremy Bicha]

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https://bugs.launchpad.net/bugs/1734339

Title:
  Add an Ubuntu build profile

Status in sbuild package in Ubuntu:
  New

Bug description:
  Sometimes, Ubuntu needs to 
  1) have different Build-Depends than Debian, or 
  2) have different dependencies than Debian, or
  3) build a binary package that Debian doesn't need or want.

  For #1, we've sometimes used alternate Build-Depends but that can get
  awkward and is a bit of a hack. For #2, we often override
  dh_gencontrol (dpkg-gencontrol) to set some of the dependencies. An
  example of #3 is the ubuntu-software package provided by the gnome-
  software source.

  One possible improvement would be to add an Ubuntu build profile
  similar to the popular nocheck build profile. That should allow
  certain dependencies, Build-Depends, and binary packages to be marked
  only for Ubuntu or not for Ubuntu.

  Why?
  ====
  1. Ubuntu's main/universe split forces some packages to have fewer dependencies in Ubuntu to avoid adding some packages to main.
  2. Ubuntu desires certain functionality out of the box. For instance, Ubuntu's gnome-software recommends the Snap plugin.
  3. Sometimes, it's more complicated. For instance, Debian's s390x architecture currently doesn't build the golang-go compiler. See https://bugs.debian.org/882563

  See also
  ========
  https://wiki.debian.org/BuildProfileSpec
  (especially the final section which claims this proposal would be a bad idea)

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