D8256: Add _XOPEN_SOURCE to C definitions

[David Faure]

dfaure added a comment.
Restricted Application edited subscribers, added: kde-buildsystem, kde-frameworks-devel; removed: Frameworks, Build System.


  (BTW where is rindex being used? lxr says only in ksysguard's FreeBSD and IRIX files, surely that's not the issue?)

REPOSITORY
  R240 Extra CMake Modules

REVISION DETAIL
  https://phabricator.kde.org/D8256

To: awilcox, alexmerry, dfaure
Cc: kde-frameworks-devel, kde-buildsystem, mpyne, dfaure, michaelh, ngraham, bruns, #frameworks, #build_system
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