Cannot build Kokkos 4.0.01 with current HPX master about hpx

[hkaiser]

@G-071 can you please try if this patch helps working around the issue you're seeing?

diff --git a/libs/core/properties/include/hpx/properties/property.hpp b/libs/core/properties/include/hpx/properties/property.hpp
index e47690aa08a..ecaaabbdefd 100644
--- a/libs/core/properties/include/hpx/properties/property.hpp
+++ b/libs/core/properties/include/hpx/properties/property.hpp
@@ -22,7 +22,9 @@ namespace hpx::experimental {
         template <typename Tag, typename... Tn>
         friend constexpr HPX_FORCEINLINE auto tag_fallback_invoke(
                 prefer_t, Tag tag, Tn&&... tn)
+#if !defined(HPX_CUDA_VERSION) || (HPX_CUDA_VERSION >= 1102)
             noexcept(noexcept(tag(HPX_FORWARD(Tn, tn)...)))
+#endif
             -> decltype(tag(HPX_FORWARD(Tn, tn)...))
         // clang-format on
         {
@@ -33,7 +35,9 @@ namespace hpx::experimental {
         template <typename Tag, typename T0, typename... Tn>
         friend constexpr HPX_FORCEINLINE auto tag_fallback_invoke(
                 prefer_t, Tag, T0&& t0, Tn&&...)
+#if !defined(HPX_CUDA_VERSION) || (HPX_CUDA_VERSION >= 1102)
             noexcept(noexcept(HPX_FORWARD(T0, t0)))
+#endif
             -> std::enable_if_t<
                     !hpx::functional::is_tag_invocable_v<
                         prefer_t, Tag, T0, Tn...> &&

(I chose to use HPX_CUDA_VERSION >= 1102 as we do similar things in other places).

[hkaiser]

Or even:

diff --git a/libs/core/properties/include/hpx/properties/property.hpp b/libs/core/properties/include/hpx/properties/property.hpp
index e47690aa08a..f8dade84120 100644
--- a/libs/core/properties/include/hpx/properties/property.hpp
+++ b/libs/core/properties/include/hpx/properties/property.hpp
@@ -22,7 +22,7 @@ namespace hpx::experimental {
         template <typename Tag, typename... Tn>
         friend constexpr HPX_FORCEINLINE auto tag_fallback_invoke(
                 prefer_t, Tag tag, Tn&&... tn)
-            noexcept(noexcept(tag(HPX_FORWARD(Tn, tn)...)))
+            noexcept(hpx::functional::is_nothrow_tag_invocable_v<Tag, Tn&&...>)
             -> decltype(tag(HPX_FORWARD(Tn, tn)...))
         // clang-format on
         {