[Buildroot] [PATCH] build: fix umask test

[Kurt Van Dijck <dev.kurt@vandijck-laurijssen.be>]

> > 
> > I see, but how would that help when bash is not on the system?
> > Is bash a prerequisite?
> 
>  Yes, bash is a prerequisite. Some of our own scripts are bash scripts.
> Moreover, quite a few packages just assume that the shell is bash. Requiring
> bash and setting is as SHELL is the simplest way to handle that.

The Makefile only recommends /bin/bash, it falls back to 'sh' when bash
is not present.

> 
> > 
> > I was thinking on using /bin/printf to avoid using the shell builtin.
> 
>  I don't have /bin/printf, only /usr/bin/printf...

Thanks for mentioning, I'll address the problem without printf.

Kurt