From edd50d54cfe4b7cc80d36a1af92bb177a60ba5b1 Mon Sep 17 00:00:00 2001
From: Martin Kroeker <martin@ruby.chemie.uni-freiburg.de>
Date: Wed, 22 Jun 2022 14:45:35 +0200
Subject: [PATCH] Set visibility of internal symbols to hidden

---
 driver/level2/ztrmv_L.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/driver/level2/ztrmv_L.c b/driver/level2/ztrmv_L.c
index 2d5fb7802..673fd100a 100644
--- a/driver/level2/ztrmv_L.c
+++ b/driver/level2/ztrmv_L.c
@@ -42,7 +42,11 @@
 
 static FLOAT dp1 = 1.;
 
-int CNAME(BLASLONG m, FLOAT *a, BLASLONG lda, FLOAT *b, BLASLONG incb, FLOAT *buffer){
+int
+#ifndef C_MSVC
+__attribute__((visibility("hidden")))
+#endif
+	CNAME(BLASLONG m, FLOAT *a, BLASLONG lda, FLOAT *b, BLASLONG incb, FLOAT *buffer){
 
   BLASLONG i, is, min_i;
 #if (TRANSA == 2) || (TRANSA == 4)