# Defeat annoying behavior under Mac OS X - builtin echo doesn't do -n
ECHO := /bin/echo
-all: regress
+check: regress
@echo "=== No diff output is good news."
+ @-advent -x 2>/dev/null # Get usage message into coverage tests
+ @-advent -l /dev/null <quit.log >/dev/null
.SUFFIXES: .chk