It seems that the CVS version won't build:

Making all in .
make[3]: Entering directory `/usr/src/qucs/qucs-core/src'
make[3]: *** No rule to make target `parse_dataset.cpp', needed by `parse_dataset.o'.  Stop.
make[3]: Leaving directory `/usr/src/qucs/qucs-core/src'
make[2]: *** [all-recursive] Error 1
make[2]: Leaving directory `/usr/src/qucs/qucs-core/src'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/usr/src/qucs/qucs-core'
make: *** [all] Error 2