D9387: Add cross compile support for kconfig_compiler and kconf_update.

[Ralf Habacker]

habacker added a comment.


  Sorry for the two spam comments, I had a freeze at phabricator web site.
  
  > Here's the android scripts for reference. https://cgit.kde.org/sysadmin/ci-tooling.git/tree/system-images/android/sdk
  
  Ah I see, on Android the packages containing native tools are build. The package and their development packages including the cmake support files (xxxTargets.cmake)  are then installed to a custom destination  to which KF5_HOST_TOOLING is pointing to. Transformed to obs that would mean to use the runtime and development packages from https://build.opensuse.org/project/show/KDE:Frameworks5.
  
  From working on the kf5 packages on obs I know that this approach has some issues:
  
  1. Not all required tools are installed with the package - I needed dedicated patches to let packages install them too (at least)
    - https://build.opensuse.org/package/show/home:rhabacker:branches:KDE:Frameworks5/kdoctools-17
    - https://build.opensuse.org/package/show/home:rhabacker:branches:KDE:Frameworks5/sonnet-17
  2. From memory  I remember that not  all KF5 packages have working cross compile support
  3. obs uses currently another approach - there is a cross kf5 tools package providing all required tools installed in a custom location in one package (https://build.opensuse.org/package/view_file/home:rhabacker:branches:windows:mingw:win32:KF547/mingw32-cross-kf5-tools/mingw32-cross-kf5-tools.spec?expand=1). This behavior is derived from the related xxx-cross-libqt5-yyy package. The native tools are installed as mingw helper tools and used in the cmake command line https://build.opensuse.org/package/view_file/home:rhabacker:branches:windows:mingw:win32:KF547/mingw32-kf5-filesystem/macros.mingw32-kf5?expand=1

REPOSITORY
  R237 KConfig

REVISION DETAIL
  https://phabricator.kde.org/D9387

To: habacker, dfaure, ltoscano, bcooksley, apol
Cc: kde-frameworks-devel, apol, michaelh, ngraham, bruns
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