build: use perl instead of GNU date for KBUILD_BUILD_TIMESTAMP
authorFelix Fietkau <nbd@nbd.name>
Tue, 23 Aug 2016 09:05:56 +0000 (11:05 +0200)
committerFelix Fietkau <nbd@nbd.name>
Tue, 23 Aug 2016 09:56:13 +0000 (11:56 +0200)
commitf5860f898a155c6e1f33813a8be7420135cb3481
tree36bedb2b6dbbf261a83faf44bd7af3126dba936b
parent88b16da8c48231058682b5c0348c8e8eb0468c0c
build: use perl instead of GNU date for KBUILD_BUILD_TIMESTAMP

Fixes warning on non-Linux systems

Signed-off-by: Felix Fietkau <nbd@nbd.name>
include/kernel-defaults.mk