build: add a prereq check for file (#15692)

Signed-off-by: Felix Fietkau <nbd@openwrt.org> SVN-Revision: 40568
10 years ago · 8306b55862
parent e1bd4e9aa4
commit 8306b55862
1 changed files with 4 additions and 0 deletions
--- a/include/prereq-build.mk
+++ b/include/prereq-build.mk
@ -187,3 +187,7 @@ endef
 $(eval $(call Require,getopt-extended, \
 	Please install an extended getopt version that supports --long \
 ))
+
+$(eval $(call RequireCommand,file, \
+	Please install file. \
+))