--- alsa-lib-1.0.27.2.ebuild	2014-04-05 21:01:22.000000000 +0200
+++ /tmp/alsa-lib-1.0.27.2.ebuild	2014-04-16 02:39:25.307289473 +0200
@@ -17,6 +17,7 @@
 SLOT="0"
 KEYWORDS="alpha amd64 arm hppa ia64 ~mips ppc ppc64 ~sh sparc x86 ~amd64-linux ~x86-linux"
 IUSE="doc debug alisp python"
+REQUIRED_USE="python? ( ${PYTHON_REQUIRED_USE} )"
 
 RDEPEND="python? ( ${PYTHON_DEPS} )
 	abi_x86_32? (