--- a/dev-libs/libffi/libffi-3.0.11.ebuild	2012-09-30 00:06:56.663495371 +0200
+++ b/dev-libs/libffi/libffi-3.0.11.ebuild	2012-09-30 02:00:44.770698846 +0200
@@ -15,7 +15,7 @@ SRC_URI="ftp://sourceware.org/pub/${PN}/
 LICENSE="MIT"
 SLOT="0"
 KEYWORDS="alpha amd64 arm hppa ia64 m68k ~mips ppc ~ppc64 s390 sh sparc x86 ~ppc-aix ~amd64-fbsd ~sparc-fbsd ~x86-fbsd ~x64-freebsd ~x86-freebsd ~hppa-hpux ~ia64-hpux ~x86-interix ~amd64-linux ~ia64-linux ~x86-linux ~ppc-macos ~x64-macos ~x86-macos ~m68k-mint ~sparc-solaris ~sparc64-solaris ~x64-solaris ~x86-solaris"
-IUSE="debug static-libs test"
+IUSE="debug static-libs test pax_kernel"
 
 RDEPEND=""
 DEPEND="test? ( dev-util/dejagnu )"
@@ -39,6 +39,7 @@ pkg_setup() {
 }
 
 src_prepare() {
+	epatch "${FILESDIR}"/libffi-emutramp.patch
 	epatch_user
 	elibtoolize
 }
@@ -47,6 +48,7 @@ src_configure() {
 	use userland_BSD && export HOST="${CHOST}"
 	econf \
 		$(use_enable static-libs static) \
+		$(use_enable pax_kernel pax_emutramp) \
 		$(use_enable debug)
 }