if atstage cross; then
	#export PKG_CONFIG_DEBUG_SPEW=yes
	SYSROOT=$base/build/$SDECFG_ID
	export PKG_CONFIG_PATH=$SYSROOT/usr/lib/pkgconfig # unused, due below
	for x in $SYSROOT/usr/lib64 $SYSROOT/usr/X11*/lib{,64} \
	         $SYSROOT/opt/*/lib{,64}; do
		[ -d $x/pkgconfig ] && PKG_CONFIG_PATH="$PKG_CONFIG_PATH:$x/pkgconfig"
	done
	export PKG_CONFIG_LIBDIR=$PKG_CONFIG_PATH # needed, otherwse system is used
	unset SYSROOT
fi