https://bugs.gentoo.org/893962
https://github.com/numpy/numpy/issues/23122
https://github.com/numpy/numpy/pull/23601

From 0a0240bcdad5daa0b84781719b3f8a002ef0f82b Mon Sep 17 00:00:00 2001
From: Ralf Gommers <ralf.gommers@gmail.com>
Date: Sun, 16 Apr 2023 22:23:38 +0100
Subject: [PATCH] BLD: use the C++ linker to link `_multiarray_umath.so`

This gets rid of undefined symbol issues for `assert`.

Closes gh-23122
Closes gh-23595
--- a/numpy/core/setup.py
+++ b/numpy/core/setup.py
@@ -1010,9 +1010,6 @@ def generate_umath_doc_header(ext, build_dir):
         svml_objs.sort()
 
     config.add_extension('_multiarray_umath',
-                         # Forcing C language even though we have C++ sources.
-                         # It forces the C linker and don't link C++ runtime.
-                         language = 'c',
                          sources=multiarray_src + umath_src +
                                  common_src +
                                  [generate_config_h,