======================================================================
FAIL: test_parse_makefile_renamed_vars (test.test_sysconfig.MakefileTests.test_parse_makefile_renamed_vars)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/builddir/build/BUILD/python3.15-3.15.0_a1-build/Python-3.15.0a1/Lib/test/test_sysconfig.py", line 824, in test_parse_makefile_renamed_vars
    self.assertEqual(vars, {
    ~~~~~~~~~~~~~~~~^^^^^^^^
        'var1': '-Wall',
        ^^^^^^^^^^^^^^^^
    ...<5 lines>...
        'var3': '',
        ^^^^^^^^^^^
    })
    ^^
AssertionError: {'var1': '-flto=auto -ffat-lto-objects -fexceptions [552 chars]: ''} != {'var1': '-Wall', 'CFLAGS': '-Wall', 'PY_CFLAGS': '-[67 chars]: ''}
Diff is 762 characters long. Set self.maxDiff to None to see it.

[cpython (main %)]$ ./python -m test test_sysconfig
...
== Tests result: SUCCESS ==

[cpython (main %)]$ CFLAGS=-02 ./python -m test test_sysconfig
...
test test_sysconfig failed -- Traceback (most recent call last):
  File ".../cpython/Lib/test/test_sysconfig.py", line 811, in test_parse_makefile_renamed_vars
    self.assertEqual(vars, {
    ~~~~~~~~~~~~~~~~^^^^^^^^
        'var1': '-Wall',
        ^^^^^^^^^^^^^^^^
    ...<5 lines>...
        'var3': '',
        ^^^^^^^^^^^
    })
    ^^
AssertionError: {'var1': -2, 'PY_CFLAGS': '-Wall', 'CFLAGS': '-Wal[64 chars]: ''} != {'var1': '-Wall', 'CFLAGS': '-Wall', 'PY_CFLAGS': [69 chars]: ''}
  {'CFLAGS': '-Wall',
   'LDFLAGS': '-lm',
   'PY_CFLAGS': '-Wall',
   'PY_LDFLAGS': '-lm',
-  'var1': -2,
?           ^

+  'var1': '-Wall',
?          + ^^^^^

   'var2': '-lm',
   'var3': ''}

0:00:00 load avg: 17.34 [1/1/1] test_sysconfig failed (1 failure)

== Tests result: FAILURE ==