fix msvc linker bug for huge command line arguments

distutils/compilers/C/msvc.py

@@ -15,7 +15,9 @@
 
 import contextlib
 import os
+from pathlib import Path
 import subprocess
+import tempfile
 import unittest.mock as mock
 import warnings
 from collections.abc import Iterable
@@ -551,7 +553,17 @@ def link(
             self.mkpath(output_dir)
             try:
                 log.debug('Executing "%s" %s', self.linker, ' '.join(ld_args))
-                self.spawn([self.linker] + ld_args)
+                # The maximum length of the commandline is 32,767
+                # we must pass in the arguments through a file if it is longer
+                # https://learn.microsoft.com/en-us/cpp/build/reference/linking?view=msvc-170#linker-command-files
+                # https://learn.microsoft.com/en-us/windows/win32/api/processthreadsapi/nf-processthreadsapi-createprocessa#parameters
+                if len(subprocess.list2cmdline(ld_args)) > 32767:
+                    with tempfile.TemporaryDirectory() as tmpdir:
+                        cmdline = Path(tmpdir) / 'cmdline.txt'
+                        cmdline.write_text('\n'.join(f'"{item}"' for item in ld_args))
+                        self.spawn([self.linker, '@'+str(cmdline)])
+                else:
+                    self.spawn([self.linker] + ld_args)
             except DistutilsExecError as msg:
                 raise LinkError(msg)
         else: