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

[Nick Clifton]

Hi Tulio,

> From: Tulio Magno Quites Machado Filho <tuliom@redhat.com>
> 
> Documentation depends on cmp.

Really, why ?

> debuginfod-test requires awk, debuginfod and ss.

Anyway the patch looks fine.  Please go ahead and apply.

Cheers
   Nick