--- a/Makefile	Sat Jun 05 22:25:22 2010 +0200
+++ b/Makefile	Sat Jun 05 22:27:17 2010 +0200
@@ -1,7 +1,10 @@
 # primitive, but it's 0:12 am
 # .hs
 
-install:
+all:
+	@perl -c check
+
+install:	all
 	install -m 0755 -d /etc/exim4/bin
 	install -m 0755 check /etc/exim4/bin/
 	perl -i -pe 's{^(# local source :).*$$}{$$1 $(shell pwd)}' /etc/exim4/bin/check