Use @VMCWORKDIR@ instaed which is exchanged by the acctual value while running
CMake. In case of $VMCWORKDIR/build uses @CMAKE_BINARY_DIR@.

This version is an exact copy of the last revision of the trunk branch
of the old SVN repository of CbmRoor at
https://subversion.gsi.de/cbmsoft/cbmroot/trunk
The old SVN repository will still be available for read access.