--- a/netpbm-10.48.00-r1.ebuild	2009-12-17 04:43:30.641599581 -0200
+++ b/netpbm-10.48.00-r1.ebuild	2009-12-17 04:43:38.267757924 -0200
@@ -88,7 +88,7 @@
 	# avoid ugly depend.mk warnings
 	touch $(find . -name Makefile | sed s:Makefile:depend.mk:g)
 
-	cat config.mk.in /dev/stdin >> config.mk <<-EOF
+	cat config.mk.in - >> config.mk <<-EOF
 	# Misc crap
 	BUILD_FIASCO = N
 	SYMLINK = ln -sf