1 files changed, 3 insertions, 0 deletions
diff --git a/rules.mk b/rules.mk
index 0cb72ac6bc..2add087133 100644
--- a/rules.mk
+++ b/rules.mk
@@ -18,6 +18,9 @@ TMP_DIR:=$(TOPDIR)/tmp
 
 export SHELL=/usr/bin/env bash -c '. $(TOPDIR)/include/shell.sh; eval "$$2"' --
 
+GREP_OPTIONS=
+export GREP_OPTIONS
+
 qstrip=$(strip $(subst ",,$(1)))
 #"))