From 9b8c7cb8b144fe1f0314e6f284b915ce1cc0669a Mon Sep 17 00:00:00 2001
From: Jim Huang <jserv@ccns.ncku.edu.tw>
Date: Tue, 26 Dec 2023 04:27:41 +0800
Subject: [PATCH] Refine the supported GCC versions

GCC versions earlier than 10 are not supported.
---
 sse2neon.h | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/sse2neon.h b/sse2neon.h
index 8e0044a9..8c840535 100644
--- a/sse2neon.h
+++ b/sse2neon.h
@@ -104,6 +104,10 @@
 #pragma message("Macro name collisions may happen with unsupported compilers.")
 #endif
 
+#if defined(__GNUC__) && __GNUC__ < 10
+#warning "GCC versions earlier than 10 are not supported."
+#endif
+
 /* C language does not allow initializing a variable with a function call. */
 #ifdef __cplusplus
 #define _sse2neon_const static const
@@ -130,7 +134,7 @@
 #endif
 
 #if !defined(__cplusplus)
-#error sse2neon only supports C++ compilation with this compiler
+#error SSE2NEON only supports C++ compilation with this compiler
 #endif
 
 #ifdef SSE2NEON_ALLOC_DEFINED