diagnostics for missing DLLs on Windows in meson_exe.py
@@ -78,6 +78,11 @@ def run_exe(exe):
stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
stdout, stderr = p.communicate()
+
+ if p.returncode == 3221225781:
+ # magic errorcode on Windows indicating a common problem that is otherwise hard to diagnose
+ raise FileNotFoundError('Missing DLLs on calling {!r}'.format(exe.name))
+
if exe.capture and p.returncode == 0:
with open(exe.capture, 'wb') as output:
output.write(stdout)
