[PATCH] build/prereq: requie make 4.1 or later

[Petr Štetiar]

Paul Spooren <mail at aparcar.org> [2020-12-12 21:17:02]:

Hi,

> FS#2086 "IS_TTY in the makefile is broken" reports flawed detection of
> stdout piping to a file. The issue describes how e.g. terminal color
> codes and up in log files if running make like `make > log.txt`.
> 
> The proposed solution uses the make variable "MAKE_TERMOUT", which was
> introduced in make 4.1. All major distributions seem to updated to 4.1
> or later, so this ideally dosn't break anything.

BTW it would be nice to update the README as well.  I think, that it would
make sense to postpone this by a few days, right after the 20.12 is branched.
I'm holding the gcc6+ patch[1] for the similar reasons.

1. https://patchwork.ozlabs.org/project/openwrt/patch/20191112200129.19396-1-ynezz@true.cz/

Cheers,

Petr