fix: fix build

Signed-off-by: Paolo Insogna <paolo@cowtech.it>

Author: ShogunPanda

deps/libffi/preprocess_asm.py

@@ -18,11 +18,42 @@ def split_command(value):
     return shlex.split(value, posix=(os.name != 'nt'))
 
 
+def resolve_msvc_cl():
+    vcinstall = os.environ.get('VCINSTALLDIR')
+    if not vcinstall:
+        return None
+
+    tools_root = Path(vcinstall) / 'Tools' / 'MSVC'
+    if not tools_root.is_dir():
+        return None
+
+    vctools_version = os.environ.get('VCToolsVersion')
+    candidates = []
+
+    if vctools_version:
+        candidates.append(tools_root / vctools_version)
+
+    candidates.extend(sorted(tools_root.glob('*'), reverse=True))
+
+    for version_dir in candidates:
+        cl_path = version_dir / 'bin' / 'Hostx64' / 'x64' / 'cl.exe'
+        if cl_path.is_file():
+            return [str(cl_path)]
+
+    return None
+
+
 def find_compiler(preferred=None):
     if preferred:
         command = split_command(preferred)
-        if command and shutil.which(command[0]):
-            return command
+        if command:
+            compiler_name = Path(command[0]).name.lower()
+            if os.name == 'nt' and compiler_name in ('cl', 'cl.exe'):
+                msvc = resolve_msvc_cl()
+                if msvc:
+                    return msvc + command[1:]
+            if shutil.which(command[0]):
+                return command
 
     for var in ('CC', 'CXX'):
         command = split_command(os.environ.get(var))