Fix arx detection for cp313 and cp314 as well.

Author: kuelumbus

setup.py

@@ -255,9 +255,10 @@ def to_win_path(pt: Path):
             #  see https://github.com/rdkit/rdkit/blob/498f57a4eb99a67d842cbc3f89f94b302f398a11/CMakeLists.txt#L376C59-L376C95
             # remove "-arch x86_64" from PYTHON_LDSHARED
             if "cp313" in os.environ["CIBW_BUILD"] or "cp314" in os.environ["CIBW_BUILD"]:
-                old =  '${Python3_EXECUTABLE} -c "import sysconfig; print(sysconfig.get_config_var(\'LDSHARED\').lstrip().split(\' \', 1)[1])"'
-                new = '${Python3_EXECUTABLE} -c "import sysconfig; print(sysconfig.get_config_var(\'LDSHARED\').lstrip().split(\' \', 1)[1].replace(\'-arch x86_64\', \'\'))"'
-                replace_all("CMakeLists.txt", old, new)
+                for python_var in ("Python3_EXECUTABLE", "Python_EXECUTABLE"):
+                    old = f'${{{python_var}}} -c "import sysconfig; print(sysconfig.get_config_var(\'LDSHARED\').lstrip().split(\' \', 1)[1])"'
+                    new = f'${{{python_var}}} -c "import sysconfig; print(sysconfig.get_config_var(\'LDSHARED\').lstrip().split(\' \', 1)[1].replace(\'-arch x86_64\', \'\'))"'
+                    replace_all("CMakeLists.txt", old, new)
 
 
         if "linux" in sys.platform: