From 076c9dbef27ce682c00fc5484a134843c88ca07c Mon Sep 17 00:00:00 2001
From: Ben Siraphob <bensiraphob@gmail.com>
Date: Fri, 12 Mar 2021 01:49:28 +0700
Subject: [PATCH] kissfft: fix darwin build

---
 pkgs/development/libraries/kissfft/default.nix | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/pkgs/development/libraries/kissfft/default.nix b/pkgs/development/libraries/kissfft/default.nix
index 5395ac4ab9c..fe52adfa20d 100644
--- a/pkgs/development/libraries/kissfft/default.nix
+++ b/pkgs/development/libraries/kissfft/default.nix
@@ -30,6 +30,11 @@ stdenv.mkDerivation rec {
     })
   ];
 
+  postPatch = ''
+    substituteInPlace Makefile \
+      --replace "gcc" "${stdenv.cc.targetPrefix}cc" \
+      --replace "ar" "${stdenv.cc.targetPrefix}ar"
+  '';
   makeFlags = [
     "PREFIX=${placeholder "out"}"
     "DATATYPE=double"
@@ -40,6 +45,6 @@ stdenv.mkDerivation rec {
     homepage = "https://github.com/mborgerding/kissfft";
     license = licenses.bsd3;
     maintainers = [ maintainers.goibhniu ];
-    platforms = platforms.linux;
+    platforms = platforms.all;
   };
 }