--- /usr/portage/games-emulation/qmamecat/qmamecat-0.44.45.ebuild       2003-09-09 18:26:50.000000000 +0200
+++ /usr/local/portage/games-emulation/qmamecat/qmamecat-0.44.45.ebuild 2004-02-09 21:54:32.599675184 +0100
@@ -18,6 +18,20 @@
 S=${WORKDIR}/${PN}

 src_compile() {
+        ### borrowed from kde.eclass #
+        #
+        # fix the sandbox errors "can't writ to .kde or .qt" problems.
+        # this is a fake homedir that is writeable under the sandbox, so that the build
+        # process can do anything it wants with it.
+        REALHOME="$HOME"
+        mkdir -p $T/fakehome/.kde
+        mkdir -p $T/fakehome/.qt
+        export HOME="$T/fakehome"
+        addwrite "${QTDIR}/etc/settings"
+
+        # things that should access the real homedir
+        [ -d "$REALHOME/.ccache" ] && ln -sf "$REALHOME/.ccache" "$HOME/"
+
        # emake is horribly broken
        make COPTIM="${CFLAGS}" || die
 }