include could not find load file HDFMacros.cmake

Hi all,

I'm trying to configure HDF5 master with CMake (`cmake ../source/`),
but I'm just getting

[...]
-- SOVERSION: 6.0.184
CMake Error at CMakeLists.txt:219 (include):
  include could not find load file:

    /home/nschloe/software/hdf5/github/config/cmake_ext_mod/HDFMacros.cmake

CMake Error at CMakeLists.txt:220 (include):
  include could not find load file:

    /home/nschloe/software/hdf5/github/config/cmake_ext_mod/HDFLibMacros.cmake

CMake Error at CMakeLists.txt:260 (set_global_variable):
  Unknown CMake command "set_global_variable".

-- Configuring incomplete, errors occurred!
See also "/home/nschloe/software/hdf5/build/CMakeFiles/CMakeOutput.log".

Anyone else?

--Nico