From 1b0cd28a51db1759a04bb437ad7ad10f0602041c Mon Sep 17 00:00:00 2001
From: Will Dietz <w@wdtz.org>
Date: Fri, 3 May 2019 02:19:06 -0500
Subject: [PATCH] lz4: pick upstream fix for Darwin, move to pname

---
 pkgs/tools/compression/lz4/default.nix | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/pkgs/tools/compression/lz4/default.nix b/pkgs/tools/compression/lz4/default.nix
index 3ca56e91a9e..3f2497cd8d2 100644
--- a/pkgs/tools/compression/lz4/default.nix
+++ b/pkgs/tools/compression/lz4/default.nix
@@ -1,18 +1,26 @@
-{ stdenv, fetchFromGitHub, valgrind
+{ stdenv, fetchFromGitHub, valgrind, fetchpatch
 , enableStatic ? false, enableShared ? true
 }:
 
 stdenv.mkDerivation rec {
-  name = "lz4-${version}";
+  pname = "lz4";
   version = "1.9.1";
 
   src = fetchFromGitHub {
     sha256 = "1l1caxrik1hqs40vj3bpv1pikw6b74cfazv5c0v6g48zpcbmshl0";
     rev = "v${version}";
-    repo = "lz4";
-    owner = "lz4";
+    repo = pname;
+    owner = pname;
   };
 
+  patches = [
+    # Fix detection of Darwin
+    (fetchpatch {
+      url = "https://github.com/lz4/lz4/commit/024216ef7394b6411eeaa5b52d0cec9953a44249.patch";
+      sha256 = "0j0j2pr6pkplxf083hlwl5q4cfp86q3wd8mc64bcfcr7ysc5pzl3";
+    })
+  ];
+
   outputs = [ "out" "dev" ];
 
   buildInputs = stdenv.lib.optional doCheck valgrind;