[PATCH 3/3] width data generation script

[Hans-Bernhard Bröker]

Am 27.02.2018 um 23:30 schrieb Thomas Wolff:
> Also I have no idea how you'd like the generation to be invoked, e.g. 
> `make data` in the ctype source directory, the libc source directory, a 
> target directory, whatever. Please state your preference.

Optimally: neither.  This should happen automatically when needed, not 
just by manual trigger.  Otherwise there would not really be much point 
putting this in the Makefile at all.