From 1d86e322e9f6ebccd3bbc5795a6e20fc29b42c4a Mon Sep 17 00:00:00 2001
From: grossmj <grossmj@gns3.net>
Date: Tue, 7 Nov 2023 14:30:39 +1000
Subject: [PATCH] Do not compute checksums on macOS

---
 gns3server/main.py           | 6 ++----
 gns3server/web/web_server.py | 5 ++++-
 2 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/gns3server/main.py b/gns3server/main.py
index cc075f3a..255bfc5a 100644
--- a/gns3server/main.py
+++ b/gns3server/main.py
@@ -77,13 +77,11 @@ def main():
     Entry point for GNS3 server
     """
 
-    if hasattr(sys, "frozen"):
-        multiprocessing.freeze_support()
-        multiprocessing.set_start_method("spawn")
-
     if not sys.platform.startswith("win"):
         if "--daemon" in sys.argv:
             daemonize()
+    else:
+        multiprocessing.freeze_support()
 
     from gns3server.run import run
     run()
diff --git a/gns3server/web/web_server.py b/gns3server/web/web_server.py
index b64970e4..c10c576b 100644
--- a/gns3server/web/web_server.py
+++ b/gns3server/web/web_server.py
@@ -29,7 +29,6 @@ import functools
 import time
 import atexit
 import weakref
-import concurrent.futures
 
 # Import encoding now, to avoid implicit import later.
 # Implicit import within threads may cause LookupError when standard library is in a ZIP
@@ -238,7 +237,11 @@ class WebServer:
         Compute image checksums.
         """
 
+        if sys.platform.startswith("darwin") and hasattr(sys, "frozen"):
+            # do not compute on macOS because errors
+            return
         loop = asyncio.get_event_loop()
+        import concurrent.futures
         with concurrent.futures.ProcessPoolExecutor(max_workers=1) as pool:
             try:
                 log.info("Computing image checksums...")