From 8b16105a3d957871056c04c5de9c7e94325ba31e Mon Sep 17 00:00:00 2001
From: Laurent Rineau <laurent.rineau@cgal.org>
Date: Fri, 29 Mar 2024 08:30:03 +0100
Subject: [PATCH] deal with missing <source_location>

---
 Number_types/test/Number_types/wrapping_type.cpp | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/Number_types/test/Number_types/wrapping_type.cpp b/Number_types/test/Number_types/wrapping_type.cpp
index 0fead133318..6313e3769a1 100644
--- a/Number_types/test/Number_types/wrapping_type.cpp
+++ b/Number_types/test/Number_types/wrapping_type.cpp
@@ -1,6 +1,8 @@
 #include <iostream>
 #include <map>
 
+#include <CGAL/config.h>
+#if __has_include(<source_location>)
 #include <CGAL/NT_wrapper.h>
 
 struct Map {
@@ -42,3 +44,10 @@ int main() {
   }
   return 0;
 }
+
+#else
+int main() {
+  std::cerr << "C++20 <source_location> not available\n";
+  return 0;
+}
+#endif