From fd8478ac7b3a0c50d8cf8007f4f54b144309a51b Mon Sep 17 00:00:00 2001
From: Artur Cygan <arczicygan@gmail.com>
Date: Wed, 15 Dec 2021 15:21:35 +0100
Subject: [PATCH] libff: fix build on aarch64

---
 pkgs/development/libraries/libff/default.nix | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/pkgs/development/libraries/libff/default.nix b/pkgs/development/libraries/libff/default.nix
index 72d2406aa82b..35b7a33cc38f 100644
--- a/pkgs/development/libraries/libff/default.nix
+++ b/pkgs/development/libraries/libff/default.nix
@@ -2,7 +2,7 @@
 
 stdenv.mkDerivation rec {
   pname = "libff";
-  version = "1.0.0";
+  version = "0.2.1";
 
   src = fetchFromGitHub {
     owner = "scipr-lab";
@@ -12,7 +12,8 @@ stdenv.mkDerivation rec {
     fetchSubmodules = true;
   };
 
-  cmakeFlags = [ "-DWITH_PROCPS=Off" ];
+  cmakeFlags = [ "-DWITH_PROCPS=Off" ]
+    ++ lib.optional stdenv.isAarch64 [ "-DCURVE=ALT_BN128" "-DUSE_ASM=OFF" ];
 
   # CMake is hardcoded to always build static library which causes linker
   # failure for Haskell applications depending on haskellPackages.hevm on macOS.