From d04e7944dddd07962baa1f6e00c6cb0a92ca891c Mon Sep 17 00:00:00 2001
From: ZijianLi <zijian.oerv@isrc.iscas.ac.cn>
Date: Mon, 7 Jul 2025 23:07:39 +0800
Subject: [PATCH] add compiler version check.

---
 lib/common/compiler.h | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/lib/common/compiler.h b/lib/common/compiler.h
index 6131ad068..410068de4 100644
--- a/lib/common/compiler.h
+++ b/lib/common/compiler.h
@@ -224,9 +224,17 @@
 #  if defined(__ARM_FEATURE_SVE2)
 #    define ZSTD_ARCH_ARM_SVE2
 #  endif
-# if defined(__riscv) && defined(__riscv_vector)
-#   define ZSTD_ARCH_RISCV_RVV
-# endif
+#if defined(__riscv) && defined(__riscv_vector)
+    #if defined(__GNUC__)
+        #if (__GNUC__ > 14 || (__GNUC__ == 14 && __GNUC_MINOR__ >= 1))
+            #define ZSTD_ARCH_RISCV_RVV
+        #endif
+    #elif defined(__clang__)
+        #if __clang_major__ > 18 || (__clang_major__ == 18 && __clang_minor__ >= 1)
+            #define ZSTD_ARCH_RISCV_RVV
+        #endif
+    #endif
+#endif
 #
 #  if defined(ZSTD_ARCH_X86_AVX2)
 #    include <immintrin.h>
-- 
2.47.3