-env.Command("pb_encode.c", "#../pb_encode.c", c)
-env.Command("pb_decode.c", "#../pb_decode.c", c)
-env.Command("encode_alltypes.c", "#alltypes/encode_alltypes.c", c)
-env.Command("decode_alltypes.c", "#alltypes/decode_alltypes.c", c)
+env.Command("encode_alltypes.c", "$BUILD/alltypes/encode_alltypes.c", c)
+env.Command("decode_alltypes.c", "$BUILD/alltypes/decode_alltypes.c", c)