From 2008e4d228fd757a10b59dc206d63295e0aeec4f Mon Sep 17 00:00:00 2001
From: Peter Dimov <pdimov@gmail.com>
Date: Sat, 27 Jun 2026 15:37:31 +0300
Subject: [PATCH] Unconditionally declare boost::assertion_failed,
 boost::assertion_failed_msg

---
 include/boost/assert.hpp | 31 +++++++++++++++++++------------
 1 file changed, 19 insertions(+), 12 deletions(-)

diff --git a/include/boost/assert.hpp b/include/boost/assert.hpp
index 48c9bcc..50948fb 100644
--- a/include/boost/assert.hpp
+++ b/include/boost/assert.hpp
@@ -25,6 +25,25 @@
 // boostinspect:naassert_macro
 //
 
+//
+// Declarations of boost::assertion_failed, boost::assertion_failed_msg
+//
+
+namespace boost
+{
+
+#if defined(BOOST_ASSERT_HANDLER_IS_NORETURN)
+    BOOST_NORETURN
+#endif
+    void assertion_failed( char const* expr, char const* function, char const* file, long line ); // user defined
+
+#if defined(BOOST_ASSERT_HANDLER_IS_NORETURN)
+    BOOST_NORETURN
+#endif
+    void assertion_failed_msg( char const* expr, char const* msg, char const* function, char const* file, long line ); // user defined
+
+} // namespace boost
+
 //
 // BOOST_ASSERT, BOOST_ASSERT_MSG, BOOST_ASSERT_IS_VOID
 //
@@ -44,18 +63,6 @@
 #include <boost/config.hpp> // for BOOST_LIKELY
 #include <boost/current_function.hpp>
 
-namespace boost
-{
-#if defined(BOOST_ASSERT_HANDLER_IS_NORETURN)
-    BOOST_NORETURN
-#endif
-    void assertion_failed(char const * expr, char const * function, char const * file, long line); // user defined
-#if defined(BOOST_ASSERT_HANDLER_IS_NORETURN)
-    BOOST_NORETURN
-#endif
-    void assertion_failed_msg(char const * expr, char const * msg, char const * function, char const * file, long line); // user defined
-} // namespace boost
-
 #define BOOST_ASSERT(expr) (BOOST_LIKELY(!!(expr))? ((void)0): ::boost::assertion_failed(#expr, BOOST_CURRENT_FUNCTION, __FILE__, __LINE__))
 #define BOOST_ASSERT_MSG(expr, msg) (BOOST_LIKELY(!!(expr))? ((void)0): ::boost::assertion_failed_msg(#expr, msg, BOOST_CURRENT_FUNCTION, __FILE__, __LINE__))