This converts the CMake license to a pure 3-clause OSI-approved BSD
License. We drop the previous license clause requiring modified
versions to be plainly marked. We also update the CMake copyright to
cover the full development time range.
- Fixed CollapseFullPath to work on relative paths with base paths
not in the current working directory.
- INCLUDE command now supports relative paths (using above fix).
- Added ABSOLUTE option to GET_FILENAME_COMPONENT command to
unwind symlinks and relative paths.
- Fixed libName_EXPORTS macro definition to be valid C identifier.
- Added DEFINE_SYMBOL target propterty for customizing the export symbol.
- Implemented LINK_FLAGS target propterty for libraries in VC6 and VC7.
Several of these fixes were contributed by Gareth Jones.