[Bug 1624832] Re: [SRU] AUTORCC-generated resources always out-of-date with Ninja

[LocutusOfBorg]

patch fixing the issue

build ongoing at ppa:costamagnagianfranco/costamagnagianfranco-ppa
https://launchpad.net/~costamagnagianfranco/+archive/ubuntu/costamagnagianfranco-ppa

** Summary changed:

- AUTORCC-generated resources always out-of-date with Ninja
+ [SRU] AUTORCC-generated resources always out-of-date with Ninja

** Description changed:

- When using AUTORCC with the Ninja generator, the generated qrc_*.cpp.o
- target is always considered out-of-date, leading to an unnecessary (and
- possibly lengthy) re-link on each build. This defeats one of the main
- strengths of Ninja, which is its fast no-op build time.
+ [Impact]
+ 
+  * people using Ninja to speed up the build, with AUTORCC-generated
+ resources
+ 
+ [Test Case]
+ 
+  * stuff is not regenerated due to a bug in cmake
+ 
+ [Regression Potential]
+ 
+  * None
+ 
+ [Other Info]
  
  The upstream bug report is here:
  
      https://cmake.org/Bug/view.php?id=16049
  
  and was later moved to here:
  
      https://gitlab.kitware.com/cmake/cmake/issues/16049
  
  It was fixed by Brad King in
  
  https://gitlab.kitware.com/ben.boeckel/cmake/commit/f6c5958047ee8a9084bf230a6c1acb4801cb2b93
  
  and the fix is in CMake 3.5.2.
  
  I would like to ask what is best: Should I should prepare a debdiff
  adding this patch to the 3.5.1 package in Xenial and request an SRU? Or
  is it reasonable to update the Xenial package to 3.5.2 (which is in
  Yakkety) outright?

** Attachment added: "debdiff"
   https://bugs.launchpad.net/ubuntu/+source/cmake/+bug/1624832/+attachment/4748881/+files/debdiff

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Title:
  [SRU] AUTORCC-generated resources always out-of-date with Ninja

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