--- mcabber-0.9.9.ebuild.orig	2009-12-17 21:07:28.000000000 +0300
+++ mcabber-0.9.9.ebuild	2009-07-15 06:02:28.000000000 +0400
@@ -29,6 +29,7 @@
 	dev-util/pkgconfig"
 
 src_compile() {
+	use x86 && export CFLAGS="${CFLAGS} -D_FILE_OFFSET_BITS=64"
 	econf \
 		$(use_enable crypt gpgme) \
 		$(use_enable otr) \