From ce8e4e7f42ef371ba9c3897793543733164ce26d Mon Sep 17 00:00:00 2001
From: Amin Solhizadeh <amin.solhizadeh@gmail.com>
Date: Tue, 22 Jul 2025 14:04:53 +0200
Subject: [PATCH] Handle unresolved relocations at link time

---
 setup.py | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/setup.py b/setup.py
index 94b49aa..bd75553 100644
--- a/setup.py
+++ b/setup.py
@@ -189,8 +189,16 @@ def run(self):
                     '-fno-strict-aliasing',
                     '-Wno-error=declaration-after-statement',
                     '-Werror=implicit-function-declaration',
+                    '-fvisibility=hidden',
+                    '-fno-common',
                 ]
             )
+            if sys.platform == 'linux':
+                ext.extra_link_args.extend(
+                    [
+                        '-Wl,-Bsymbolic',
+                    ]
+                )
 
         if self.debug:
             ext.define_macros.append(('PYXMLSEC_ENABLE_DEBUG', '1'))