From 843c5da500a0bf94473b134b53041fe4b1d63d13 Mon Sep 17 00:00:00 2001
From: rnhmjoj <rnhmjoj@inventati.org>
Date: Thu, 8 Oct 2020 02:20:00 +0200
Subject: [PATCH] monero-gui: fix aarch64 build

---
 pkgs/applications/blockchains/monero-gui/default.nix | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/pkgs/applications/blockchains/monero-gui/default.nix b/pkgs/applications/blockchains/monero-gui/default.nix
index f9e07e5c5e5a..776d51ca6bd8 100644
--- a/pkgs/applications/blockchains/monero-gui/default.nix
+++ b/pkgs/applications/blockchains/monero-gui/default.nix
@@ -18,6 +18,13 @@ with stdenv.lib;
 
 assert trezorSupport -> all (x: x!=null) [ libusb1 protobuf python3 ];
 
+let
+  arch = if stdenv.isx86_64  then "x86-64"
+    else if stdenv.isi686    then "i686"
+    else if stdenv.isAarch64 then "armv8-a"
+    else throw "unsupported architecture";
+in
+
 stdenv.mkDerivation rec {
   pname = "monero-gui";
   version = "0.17.0.1";
@@ -71,7 +78,10 @@ stdenv.mkDerivation rec {
                 'add_subdirectory(monero EXCLUDE_FROM_ALL)'
   '';
 
-  cmakeFlags = [ "-DCMAKE_INSTALL_PREFIX=$out/bin" ];
+  cmakeFlags = [
+    "-DCMAKE_INSTALL_PREFIX=$out/bin"
+    "-DARCH=${arch}"
+  ];
 
   desktopItem = makeDesktopItem {
     name = "monero-wallet-gui";