[CMake] set CPACK_SOURCE_PACKAGE_FILE_NAME when running "make package_source"

[Ioan Calin Borcoman]

Hi,

Is it possible to change the CPACK_SOURCE_PACKAGE_FILE_NAME when I run
"make package_source"?

I would like to set it to a value like foo-`date +%Y%m%d_%H%M`. Is it possible?

Thanx

Ionutz