From 0f3979b77d67a986ae6fc918afc64abc7a30cc37 Mon Sep 17 00:00:00 2001
From: Peter Harris <pharris@opentext.com>
Date: Fri, 4 Aug 2023 14:10:41 -0400
Subject: [PATCH] fix: build on Windows ARM64

---
 include/CLI/impl/Argv_inl.hpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/include/CLI/impl/Argv_inl.hpp b/include/CLI/impl/Argv_inl.hpp
index 3d00a570d..a00201799 100644
--- a/include/CLI/impl/Argv_inl.hpp
+++ b/include/CLI/impl/Argv_inl.hpp
@@ -29,6 +29,10 @@
 #define _X86_
 #elif defined(__arm__) || defined(_M_ARM) || defined(_M_ARMT)
 #define _ARM_
+#elif defined(__aarch64__) || defined(_M_ARM64)
+#define _ARM64_
+#elif defined(_M_ARM64EC)
+#define _ARM64EC_
 #endif
 #endif