From 9624e6f9ed97b0f4ac4ac1f41d3d07614a88700d Mon Sep 17 00:00:00 2001
From: alifarazz <alifarazdaghi@gmail.com>
Date: Sat, 27 Sep 2025 20:37:47 -0400
Subject: [PATCH] Keep cstdbool header behind cpp macros

cstdbool header was deprecated in C++17 and removed in C++20.
---
 src/include/internal/host/nvshmemi_mem_transport.hpp  | 4 +++-
 src/include/internal/host/nvshmemi_symmetric_heap.hpp | 5 ++++-
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/include/internal/host/nvshmemi_mem_transport.hpp b/src/include/internal/host/nvshmemi_mem_transport.hpp
index 37a626b..bfb0580 100644
--- a/src/include/internal/host/nvshmemi_mem_transport.hpp
+++ b/src/include/internal/host/nvshmemi_mem_transport.hpp
@@ -8,7 +8,9 @@
 #define NVSHMEMI_MEM_TRANSPORT_HPP
 
 #include <cstdlib>
-#include <cstdbool>
+#if defined(HAVE_STDBOOL_H) && (__cplusplus < 201703L)
+# include <cstdbool>
+#endif
 #include <climits>
 #include <memory>
 #include <map>
diff --git a/src/include/internal/host/nvshmemi_symmetric_heap.hpp b/src/include/internal/host/nvshmemi_symmetric_heap.hpp
index 3e61ec5..d570286 100644
--- a/src/include/internal/host/nvshmemi_symmetric_heap.hpp
+++ b/src/include/internal/host/nvshmemi_symmetric_heap.hpp
@@ -9,7 +9,10 @@
 
 #include <climits>
 #include <cstdlib>
-#include <cstdbool>
+#if defined(HAVE_STDBOOL_H) && (__cplusplus < 201703L)
+# include <cstdbool>
+#endif
+
 #include <cuda.h>
 #include <memory>
 #include <tuple>