cxx20.

trivialfis · Jan 5, 2022 · 0193f07 · 0193f07
1 parent f18e694
commit 0193f07
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/include/experimental/__p0009_bits/config.hpp b/include/experimental/__p0009_bits/config.hpp
@@ -118,7 +118,7 @@ static_assert(_MDSPAN_CPLUSPLUS >= MDSPAN_CXX_STD_14, "mdspan requires C++14 or
 // no unique address starts working in NVCC 11.6
 #if !defined(_MDSPAN_USE_ATTRIBUTE_NO_UNIQUE_ADDRESS) && \
    (!defined(__NVCC__) || ((__CUDACC_VER_MAJOR__ > 11) && (__CUDACC_VER_MINOR__ > 5)))
-#  if (__has_cpp_attribute(no_unique_address) >= 201803L) && !defined(_MDSPAN_COMPILER_MSVC)
+#  if (__has_cpp_attribute(no_unique_address) >= 201803L) && !defined(_MDSPAN_COMPILER_MSVC) && MDSPAN_HAS_CXX_20
 #    define _MDSPAN_USE_ATTRIBUTE_NO_UNIQUE_ADDRESS 1
 #    define _MDSPAN_NO_UNIQUE_ADDRESS [[no_unique_address]]
 #  else