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 b123921a92)
This commit is contained in:
Matthias Schiffer 2018-07-14 15:44:47 +02:00
parent bc7abe8729
commit a7b2764879
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@ -138,10 +138,10 @@ $(eval $(call SetupHostCommand,bzip2,Please install 'bzip2', \
$(eval $(call SetupHostCommand,wget,Please install GNU 'wget', \
wget --version | grep GNU))
$(eval $(call SetupHostCommand,time,Please install GNU 'time' or BusyBox 'time', \
$(eval $(call SetupHostCommand,time,Please install GNU 'time' or BusyBox 'time' that supports -f, \
gtime --version 2>&1 | grep GNU, \
time --version 2>&1 | grep GNU, \
busybox time 2>&1 | grep BusyBox))
busybox time 2>&1 | grep -- '-f FMT'))
$(eval $(call SetupHostCommand,perl,Please install Perl 5.x, \
perl --version | grep "perl.*v5"))