mpy-cross: Add --version command line option to print version info.

Prints something like: MicroPython v1.10-304-g8031b7a25 on 2019-05-02; mpy-cross emitting mpy v4
2019-05-02 09:59:21 +10:00
parent 6323cbda4f
commit 7e90e22ea5
3 changed files with 9 additions and 3 deletions
--- a/py/persistentcode.h
+++ b/py/persistentcode.h
@@ -30,6 +30,9 @@
 #include "py/reader.h"
 #include "py/emitglue.h"

+// The current version of .mpy files
+#define MPY_VERSION 4
+
 enum {
    MP_NATIVE_ARCH_NONE = 0,
    MP_NATIVE_ARCH_X86,