--- libevent-2.0.16.ebuild.old	2011-11-26 21:32:55.670962001 -0800
+++ libevent-2.0.16.ebuild	2011-11-26 21:39:21.504962002 -0800
@@ -5,6 +5,7 @@
 EAPI="2"
 
 inherit autotools-utils libtool
+AUTOTOOLS_IN_SOURCE_BUILD=1
 
 MY_P="${P}-stable"