[tools] fix the issue of cc detection failure in Windows (#8914)

tools/utils.py

@@ -309,3 +309,23 @@ def VerTuple(version_str):
     ver = tuple(int(part) for part in ver_parts)
 
     return ver
+
+def CmdExists(cmd):
+    import platform
+
+    cmd_list = cmd.split(' ')
+    cmd = cmd_list[0]
+    if os.path.isfile(cmd):
+        return True
+    else:
+        # check cmd(.exe|.bat|.ps1) under Windows
+        if platform.system() == 'Windows':
+            if cmd.find('exe') != -1 or cmd.find('bat') != -1 or cmd.find('ps1') != -1:
+                return False
+
+            # add .exe then check whether the cmd exists
+            cmd = cmd + '.exe'
+            if os.path.isfile(cmd):
+                return True
+
+        return False