From c725771e11a0e821eb977d5db0c453e9ed43a96c Mon Sep 17 00:00:00 2001
From: Alexander Alekhin <a.alekhin@yadro.com>
Date: Sun, 11 Dec 2022 17:10:00 +0000
Subject: [PATCH] build(riscv): suppress massive -Wignored-attributes warnings

---
 .../core/include/opencv2/core/hal/intrin_rvv_scalable.hpp  | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/modules/core/include/opencv2/core/hal/intrin_rvv_scalable.hpp b/modules/core/include/opencv2/core/hal/intrin_rvv_scalable.hpp
index c38f1f57db..96069b92b5 100644
--- a/modules/core/include/opencv2/core/hal/intrin_rvv_scalable.hpp
+++ b/modules/core/include/opencv2/core/hal/intrin_rvv_scalable.hpp
@@ -13,6 +13,13 @@
 #include <vector>
 #include <opencv2/core/check.hpp>
 
+#if defined(__GNUC__) && !defined(__clang__)
+// FIXIT: eliminate massive warnigs from templates
+// GCC from 'rvv-next': riscv64-unknown-linux-gnu-g++ (g42df3464463) 12.0.1 20220505 (prerelease)
+// doesn't work: #pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wignored-attributes"
+#endif
+
 #ifndef CV_RVV_MAX_VLEN
 #define CV_RVV_MAX_VLEN 1024
 #endif