D23789: Add ECMGenerateExportHeaders, for improved handling of deprecated API

[David Faure]

dfaure added a comment.


  In D23789#541134 <https://phabricator.kde.org/D23789#541134>, @kossebau wrote:
  
  > In D23789#540033 <https://phabricator.kde.org/D23789#540033>, @dfaure wrote:
  >
  > > I found confirmation in cmake's Tests/RunCMake/GenerateExportHeader/reference/
  >
  >
  > Not sure what you exactly mean, can you please specify confirmation for what? And what this recommends us to do? :)
  
  
  It confirms that only MSVC uses a different way to express this, which is why nobody handles the mix-and-match case where you'd generate the header for one compiler and then consume it with another.
  (unless I'm wrong and mix-and-match between mingw and MSVC is actually possible - AFAIK it's not)

REPOSITORY
  R240 Extra CMake Modules

REVISION DETAIL
  https://phabricator.kde.org/D23789

To: kossebau, #frameworks, #build_system
Cc: chehrlic, dfaure, cgiboudeaux, kde-frameworks-devel, kde-buildsystem, LeGast00n, GB_2, bencreasy, michaelh, ngraham, bruns
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