3ca0131ddd
- GCC13 reports the following error when compiling mpy-cross:
main.c:313:6: error: conflicting types for ‘mp_import_stat’ due to enum/integer mismatch; have ‘uint(const char *)’ {aka ‘unsigned int(const char *)’} [-Werror=enum-int-mismatch]
313 | uint mp_import_stat(const char *path) {
| ^~~~~~~~~~~~~~
In file included from ../py/compile.h:29,
from main.c:11:
../py/lexer.h:205:18: note: previous declaration of ‘mp_import_stat’ with type ‘mp_import_stat_t(const char *)’
205 | mp_import_stat_t mp_import_stat(const char *path);
| ^~~~~~~~~~~~~~
cc1: all warnings being treated as errors
make: *** [../py/mkrules.mk:62: build/main.o] Error 1
MicroPython cross compiler
This directory contains the MicroPython cross compiler, which runs under any Unix-like system and compiles .py scripts into .mpy files.
Build it as usual:
$ make
The compiler is called mpy-cross. Invoke it as:
$ ./mpy-cross foo.py
This will create a file foo.mpy which can then be copied to a place accessible
by the target MicroPython runtime (eg onto a pyboard's filesystem), and then
imported like any other Python module using import foo.
Different target runtimes may require a different format of the compiled bytecode, and such options can be passed to the cross compiler.
If the Python code contains @native or @viper annotations, then you must
specify -march to match the target architecture.
Run ./mpy-cross -h to get a full list of options.
The optimisation level is 0 by default. Optimisation levels are detailed in https://docs.micropython.org/en/latest/library/micropython.html#micropython.opt_level