include/prereq-build.mk: explicitly check for -f flag when using busybox time
authorMatthias Schiffer <mschiffer@universe-factory.net>
Sat, 14 Jul 2018 13:44:47 +0000 (15:44 +0200)
committerMatthias Schiffer <mschiffer@universe-factory.net>
Sat, 14 Jul 2018 13:48:14 +0000 (15:48 +0200)
commita7b2764879dbcf7c6b1d5463158c4e51ca993974
tree68092bf204eb09c4f5ad7bd9680ae366f78c95d4
parentbc7abe8729f3ff611dec597ae2831aefdc748567
include/prereq-build.mk: explicitly check for -f flag when using busybox time

On Debian, busybox does have a time applet, but it does not support the -f
flag. Catch this in prereq check to give users to proper error message.

Signed-off-by: Matthias Schiffer <mschiffer@universe-factory.net>
(cherry picked from commit b123921a92a957f08abb186e041aa38aa9328f3e)
include/prereq-build.mk