meson: Support for both packaging and distutils

distutils was deprecated and is now gone on modern systems.
so the default behavior is to use the supported thing, which is packaging.version, and when on an old system, fallback to the old distutils.version.

Closes: https://gitlab.freedesktop.org/mesa/mesa/-/issues/9943

Signed-off-by: Yonggang Luo <luoyonggang@gmail.com>
Reviewed-by: Eric Engestrom <eric@igalia.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/26746>

meson.build

@@ -910,9 +910,12 @@ prog_python = import('python').find_installation('python3')
 has_mako = run_command(
   prog_python, '-c',
   '''
-from distutils.version import StrictVersion
+try:
+  from packaging.version import Version
+except:
+  from distutils.version import StrictVersion as Version
 import mako
-assert StrictVersion(mako.__version__) >= StrictVersion("0.8.0")
+assert Version(mako.__version__) >= Version("0.8.0")
   ''', check: false)
 if has_mako.returncode() != 0
   error('Python (3.x) mako module >= 0.8.0 required to build mesa.')