- Issue #26884: Fix linking extension modules for cross builds.

  Patch by Xavier de Gaye.

Lib/distutils/command/build_ext.py

@@ -748,7 +748,7 @@ class build_ext(Command):
             if sysconfig.get_config_var('Py_ENABLE_SHARED'):
                 pythonlib = 'python{}.{}{}'.format(
                     sys.hexversion >> 24, (sys.hexversion >> 16) & 0xff,
-                    sys.abiflags)
+                    sysconfig.get_config_var('ABIFLAGS'))
                 return ext.libraries + [pythonlib]
             else:
                 return ext.libraries

Misc/NEWS

@@ -561,6 +561,9 @@ Tests
 Build
 -----
 
+- Issue #26884: Fix linking extension modules for cross builds.
+  Patch by Xavier de Gaye.
+
 - Issue #22359: Disable the rules for running _freeze_importlib and pgen when
   cross-compiling.  The output of these programs is normally saved with the
   source code anyway, and is still regenerated when doing a native build.