From 2cdb8586953a447c020dbddc1a2f7ad5ab4a6844 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sandro=20J=C3=A4ckel?= <sandro.jaeckel@gmail.com>
Date: Wed, 17 Feb 2021 12:39:03 +0100
Subject: [PATCH] liblinear: fix cross compile

---
 pkgs/development/libraries/liblinear/default.nix | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/pkgs/development/libraries/liblinear/default.nix b/pkgs/development/libraries/liblinear/default.nix
index 3989cc59e4d8..caf036960139 100644
--- a/pkgs/development/libraries/liblinear/default.nix
+++ b/pkgs/development/libraries/liblinear/default.nix
@@ -13,6 +13,12 @@ in stdenv.mkDerivation rec {
     sha256 = "0p0hpjajfkskhd7jiv5zwhfa8hi49q3mgifjlkqvy99xspv98ijj";
   };
 
+  postPatch = ''
+    substituteInPlace blas/Makefile \
+      --replace "ar rcv" "${stdenv.cc.targetPrefix}ar rcv" \
+      --replace "ranlib" "${stdenv.cc.targetPrefix}ranlib"
+  '';
+
   outputs = [ "bin" "dev" "out" ];
 
   nativeBuildInputs = lib.optionals stdenv.isDarwin [ fixDarwinDylibNames ];