From 18043cb6379c9339b7758048beb2e783f29379bd Mon Sep 17 00:00:00 2001
From: Federico Busato <50413820+fbusato@users.noreply.github.com>
Date: Wed, 13 Nov 2024 10:15:06 -0800
Subject: [PATCH] add `__cpp_lib_mdspan` feature-test macro (#2787)

---
 libcudacxx/include/cuda/std/version | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/libcudacxx/include/cuda/std/version b/libcudacxx/include/cuda/std/version
index 49f1ac8d387..ad5d476730a 100644
--- a/libcudacxx/include/cuda/std/version
+++ b/libcudacxx/include/cuda/std/version
@@ -46,6 +46,9 @@
 #  define __cccl_lib_is_null_pointer            201309L
 #  define __cccl_lib_make_reverse_iterator      201402L
 // # define __cccl_lib_make_unique                          201304L
+#  if !defined(_CCCL_COMPILER_MSVC) || _CCCL_STD_VER >= 2020
+#    define __cccl_lib_mdspan 202207L
+#  endif // _CCCL_COMPILER_MSVC && _CCCL_STD_VER >= 2020
 #  define __cccl_lib_null_iterators 201304L
 #  define __cccl_lib_optional       202110L
 // # define __cccl_lib_quoted_string_io                     201304L