[PATCH] Add more checks for programs in the meson build

[Nick Clifton]

Hi TUlio,

>>> Documentation depends on cmp.
>>
>> Really, why ?
> 
> Because of the following error:
> 
> /usr/bin/texi2dvi: line 747: cmp: command not found

Fascinating.  I feel good now that I have learnt something new today.


> One could argue this is a texinfo packaging issue downstream.
> I opened https://bugzilla.redhat.com/show_bug.cgi?id=2374602 anyway.

Thanks for doing that.

Cheers
   Nick