D24805: Add ENABLE_CCACHE option (default=off)

[Andreas Sturmlechner]

asturmlechner added a comment.


  In D24805#550794 <https://phabricator.kde.org/D24805#550794>, @hiangel wrote:
  
  > > ccache should never be enabled by default for packaging builds.
  >
  > Why?
  
  
  It makes the build unpredictable and may interfere with existing ccache setups (hint: some package manager already enables ccache for all packages if asked to). It may also lead to random build failures unless the cache is cleared manually.
  
  If anything, the better approach might be to make it an ECM option, default off, document it in the Wiki, and anyone's build script including kdesrc-build may enable it globally, to not have various methods of enabling ccache pop up in random repositories. This time after review.

REPOSITORY
  R319 Konsole

REVISION DETAIL
  https://phabricator.kde.org/D24805

To: asturmlechner, #konsole
Cc: konsole-devel, hiangel, fbampaloukas, thsurrel, ngraham, maximilianocuria, hindenburg
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