Laurent Rineau a17c0d628d Fix our usage of TBB and <thread.h> ... A lot of parts of CGAL use `<thread>` in conjunction with TBB. I have added the `find_package(Threads)` in `CGAL_target_use_TBB.cmake` for convenience. I have also restored FindTBB.cmake as a pure copy of https://github.com/Kitware/VTK/blob/master/CMake/FindTBB.cmake with that version: > c7249fed2e73ce25fbbc53363d9caf4ab5cc9195 > Author: Cory Quammen <cory.quammen@kitware.com> > Date: Thu Feb 14 23:21:09 2019 -0500 > > FindTBB: handle basic linker scripts > > TBB binaries may define libtbb.so as a linker script of the form > > INPUT(libtbb.so.2) > > Make FindTBB find the real .so file libtbb.so points to in such cases. > > Approach borrowed from vtk-m/CMake/VTKmDeviceAdapters.cmake on > suggestion from Robert Maynard. > >		2019-07-24 10:35:36 +02:00
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CGAL	Fix our usage of TBB and <thread.h>	2019-07-24 10:35:36 +02:00