Merge pull request #1632 from heinezen/fix/macos_freeze_support

Add freeze_support() before using multiprocessing
SFTtech · Apr 3, 2024 · 3ddf3a3 · 3ddf3a3
2 parents 666844d + 1f3ef07
commit 3ddf3a3
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/openage/__main__.py b/openage/__main__.py
@@ -177,6 +177,11 @@ def main(argv=None):
 
 
 if __name__ == '__main__':
+    # Required for Windows executables (and apparently macOS too)
+    # https://docs.python.org/3/library/multiprocessing.html#multiprocessing.freeze_support
+    # https://pyinstaller.org/en/latest/common-issues-and-pitfalls.html#multi-processing
+    multiprocessing.freeze_support()
+
     # openage is complicated and multithreaded; better not use fork.
     multiprocessing.set_start_method('spawn')