Cross compile source files into bytecode using mpy-cross.

.gitignore

@@ -1,2 +1,3 @@
-amora/lib/*
+build
 *.uf2
+mpy-cross*

build.py

@@ -0,0 +1,34 @@
+import glob
+from subprocess import PIPE, Popen
+from os import listdir, makedirs
+from os.path import join, splitext, isfile
+from shutil import copytree, copy
+SRC = 'src'
+OUT = 'build'
+
+
+def lib_files(s: str):
+    name, ext = splitext(s)
+    if name not in ("code", "boot") and ext == ".py" and isfile(s):
+        return name
+    return None
+
+
+makedirs(OUT, exist_ok=True)
+
+for entry in listdir(SRC):
+    if name := lib_files(entry):
+        Popen([
+            join(".", glob.glob("mpy-cross.static*")[0]),
+            join(SRC, entry),
+            "-o",
+            join(OUT, f'{name}.mpy')
+        ],
+            stdout=PIPE
+        ).communicate()
+    elif isfile(join(SRC, entry)):
+        copy(join(SRC, entry),
+             join(OUT, entry))
+    else:
+        copytree(join(SRC, entry),
+                 join(OUT, entry))