Simplify ggo makefile.
Currently we have three different targets for creating *_cmdline.[ch]
files. This is because receivers, filters and writers need slightly
different command line options.
This patch defines the common options in the ggo makefile and moves
additional parameters to the individual .m4 files so that a single
target to create *_cmdline.[ch] is now sufficient.
The name of the command line parsers of some filters and writers
changed due to this unification, so these are updated accordingly.
20 files changed: