--- startkde.cmake.orig	2008-07-15 21:49:02.000000000 +0200
+++ startkde.cmake	2008-09-15 14:45:48.000000000 +0200
@@ -7,6 +7,40 @@
 # because we still need to do some cleanup.
 trap 'echo GOT SIGHUP' HUP
 
+# Gentoo: setup environment, filter other slotted KDE installs from PATH
+export KDEDIR=@REPLACE_PREFIX@
+export KDEDIRS=/usr:/usr/local:${KDEDIR}
+export PATH=${KDEDIR}/bin:$(echo ${PATH} | sed 's#/usr/kde/[^/]*/s\?bin[:]\{0,1\}##g')
+export ROOTPATH=${KDEDIR}/sbin:${KDEDIR}/bin:$(echo ${PATH} | sed 's#/usr/kde/[^/]*/s\?bin[:]\{0,1\}##g')
+export LDPATH=@REPLACE_LIBS@:${LDPATH}
+export STRIGI_PLUGIN_PATH="${KDEDIR}/@REPLACE_LIBDIR@/strigi:${STRIGI_PLUGIN_PATH}"
+export XDG_DATA_DIRS=${KDEDIR}/share:$(echo ${XDG_DATA_DIRS} | sed 's#/usr/kde/[^/]*/s\?share[:]\{0,1\}##g')
+
+if [ -z "$HOME" ]; then
+	xmessage "HOME is unset. Your user config seems to be broken. Aborting."
+	exit 1
+fi
+
+# Gentoo: handle the possible home directory layout for config directory
+if [ "${KDEDIR}" == "/usr" ]; then
+	# If the directory doesn't exist make it
+	[ -e "${HOME}/.kde4" ] || mkdir "$HOME/.kde4"
+	# If the directory is a link remove it and create the directory
+	if [ -L "$HOME/.kde4" ]; then
+		rm "$HOME/.kde4"
+		mkdir "$HOME/.kde4"
+	fi
+	export KDEHOME="${HOME}/.kde4"
+else
+	# Use multiple directories based upon the KDE directory
+	[ -e "$HOME/.kde$(basename $KDEDIR)" ] || mkdir "$HOME/.kde$(basename $KDEDIR)"
+	if [ ! -d "$HOME/.kde$(basename $KDEDIR)" ]; then
+		xmessage "$HOME/.kde$(basename $KDEDIR) exists but is not a dir. Aborting."
+		exit 1
+	fi
+	export KDEHOME="${HOME}/.kde$(basename $KDEDIR)"
+fi
+
 # Check if a KDE session already is running and whether it's possible to connect to X
 kcheckrunning
 kcheckrunning_result=$?