[Buildroot] [PATCH 1/2] Add BR2_CMAKE_USE_NINJA_BACKEND option
Thomas Petazzoni
thomas.petazzoni at free-electrons.com
Tue Jul 11 13:35:41 UTC 2017
Hello,
On Tue, 11 Jul 2017 15:25:46 +0200, Cédric Marie wrote:
> Le 2017-07-11 13:56, Thomas Petazzoni a écrit :
> > Do you know why a CMake package could be working with the make backend,
> > but not with the ninja backend ?
>
> In file CMakeLists.txt, in the root directory of the bullet package, I
> have found:
>
> IF("${CMAKE_GENERATOR}" MATCHES "Unix Makefiles")
> OPTION(INSTALL_LIBS "Set when you want to install libraries" ON)
> ELSE()
> IF(APPLE AND FRAMEWORK)
> OPTION(INSTALL_LIBS "Set when you want to install libraries" ON)
> ELSE()
> #by default, don't enable the 'INSTALL' option for Xcode and MSVC
> projectfiles
> OPTION(INSTALL_LIBS "Set when you want to install libraries" OFF)
> ENDIF()
> ENDIF()
>
>
> I believe that's the reason :)
Indeed! I skimmed through the CMakeLists.txt file, but didn't spot this
obvious thing.
> I suppose the test was expecting to detect the type of machine, while it
> is based on the type of backend...
> This should be fixed in "bullet" package, either by testing Ninja
> backend as well, or changing the test (I don't know exactly what he's
> trying to test...)
I think it's just a bug on their side. I've filed an issue
(https://github.com/bulletphysics/bullet3/issues/1225). Though with 286
open issues, I'm not sure how long it will take for this issue to be
looked at :)
But anyway, it is a very package-specific issue here, unlikely to
affect many other packages. Thanks for having investigated this!
Thomas
--
Thomas Petazzoni, CTO, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com
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