oce-0.18.3-bp156.4.8

- Remove unneeded BuildRequires on python 2.

- Add _constraints with default 7G min disk space.

- minor update to 0.18.3
  - fixes for VTK 8
  - merged xlocale fix (oce-check-for-xlocale.patch)
- added NEWS.md file for developer informations

- minor update to 0.18.2

- Add oce-check-for-xlocale.patch: Implement a check for xlocale.h
  header in CMakeLists.txt to define HAVE_XLOCALE_H instead of
  macro-level checks based on OS; fixes build failures with glibc
  >= 2.26 where xlocale.h is no longer available.
- Set VERBOSE=1 during make to make it possible for brp to catch
  compiler warnings, etc.

- update to version 0.18.1
  * minor bugfixes and extensions
- added -fno-strict-aliasing compiler switch

- update to version 0.18
  * Upgraded to OCCT 6.9.1 http://www.opencascade.com/pub/doc/Release_Notes_6.7.0.pdf
  * Support VTK OpenGL2 backend
  * 0027385: assertion in static initializer in a Windows GUI application
  * Fix null pointer access in BRepMesh_EdgeTessellator
- switch to obs_scm for incremental storage and being able to work
  in git tree

- Remove unneeded netcdf dependencies.

- install cmake files in default location

- Drop filler words from description. Drop old %changelog
  section (openSUSE uses .changes file instead).
- Add missing group and scriptlets for vtk subpackage.
- Use %_smp_mflags for parallel build.

- OpenCASCADE 0.17.2 Community Edition
- replaces and provides OpenCASCADE 6.8.0