--- /usr/portage/games-board/gmchess/gmchess-0.29.6.ebuild       2012-02-17 02:31:14.000000000 +0700
+++ gmchess-0.29.6-r1.ebuild    2012-04-20 04:41:36.000000000 +0700
@@ -19,6 +19,10 @@
 
 src_prepare() {
        sed -i -e '/Encoding=/d' data/${PN}.desktop.in || die
+       sed -i -e '128s%share%../&/games%' src/engine/eleeye.cpp || die
+       if use amd64; then
+               sed -i -e '38s%lib%&64%' src/engine/eleeye.cpp || die
+       fi
 }
 
 src_configure() {