major reworking of the configure script; now the grabbers are enabled accordingly to the availability of the libraries
major reworking of the configure script; now the grabbers are enabled accordingly to the availability of the libraries

GeeXboX/libvalhalla,GeeXboX/libvalhalla,GeeXboX/libvalhalla,GeeXboX/libvalhalla,GeeXboX/libvalhalla