From e015f2cc80fc85959a34d6e4366b2be00e7eabb9 Mon Sep 17 00:00:00 2001
From: Doron Behar <doron.behar@gmail.com>
Date: Mon, 19 Jan 2026 01:55:28 +0200
Subject: [PATCH] openblas: use --replace-fail substitution

---
 pkgs/development/libraries/science/math/openblas/default.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkgs/development/libraries/science/math/openblas/default.nix b/pkgs/development/libraries/science/math/openblas/default.nix
index d3de85b2b936..9c186314130d 100644
--- a/pkgs/development/libraries/science/math/openblas/default.nix
+++ b/pkgs/development/libraries/science/math/openblas/default.nix
@@ -196,7 +196,7 @@ stdenv.mkDerivation rec {
 
   postPatch = ''
     # cc1: error: invalid feature modifier 'sve2' in '-march=armv8.5-a+sve+sve2+bf16'
-    substituteInPlace Makefile.arm64 --replace "+sve2+bf16" ""
+    substituteInPlace Makefile.arm64 --replace-fail "+sve2+bf16" ""
   '';
 
   inherit blas64;