--- /usr/portage/mail-filter/imapfilter/imapfilter-2.5.7-r1.ebuild	2015-10-11 02:11:40.000000000 +0200
+++ imapfilter-2.6.10.ebuild	2017-01-24 16:59:42.124141696 +0100
@@ -2,7 +2,7 @@
 # Distributed under the terms of the GNU General Public License v2
 # $Id$
 
-EAPI=5
+EAPI=6
 
 inherit toolchain-funcs
 
@@ -31,6 +31,8 @@
 		-e "/^CFLAGS/s:CFLAGS =:CFLAGS +=:" \
 		-e "/^CFLAGS/s/-O//" \
 		src/Makefile || die
+
+	eapply_user
 }
 
 src_compile() {