@ -79,7 +79,7 @@ SELECTED_FLAGS = AC AD AE AF AG AI AL AM AO AQ AR AS AT AU AW AX AZ \
XK \
YE YT \
ZA ZM ZW \
GB-ENG GB-SCT GB-WLS
ifeq (,$(shell which $(ZOPFLIPNG)))
ifeq (,$(wildcard $(ZOPFLIPNG)))