-JVM: build/JVM/xwt.jar
-Linux: ; make gcj platform=Linux link_flags="-lX11 -lXext"
-Solaris: ; make gcj platform=Solaris link_flags="-lX11 -lXext -lpthread"
+libwing_Linux := -Lupstream/install/i686-pc-linux-gnu/lib/
+libwing_Linux += upstream/install/i686-pc-linux-gnu/lib/libWINGs.a
+libwing_Linux += upstream/install/i686-pc-linux-gnu/lib/libwraster.a
+
+libwing_Solaris := -Lupstream/install/sparc-sun-solaris2.7/lib/
+libwing_Solaris += upstream/install/sparc-sun-solaris2.7/lib/libWINGs.a
+libwing_Solaris += upstream/install/sparc-sun-solaris2.7/lib/libwraster.a
+
+JVM: build/JVM/ibex.jar
+Linux: ; make gcj platform=Linux link_flags="$(libwing_Linux) -lXpm -lX11 -lXext"
+Solaris: ; make gcj platform=Solaris link_flags="$(libwing_Solaris) -lXpm -lX11 -lXext -lpthread"