From 339f4e557937aaa553858a1a07f05e8d3f3e1baa Mon Sep 17 00:00:00 2001
From: Weijia Wang <9713184+wegank@users.noreply.github.com>
Date: Thu, 3 Nov 2022 12:11:45 +0100
Subject: [PATCH] bb: fix build on aarch64-darwin

---
 pkgs/applications/misc/bb/default.nix | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/pkgs/applications/misc/bb/default.nix b/pkgs/applications/misc/bb/default.nix
index fd7eb4990f0..94775b97bae 100644
--- a/pkgs/applications/misc/bb/default.nix
+++ b/pkgs/applications/misc/bb/default.nix
@@ -18,10 +18,14 @@ stdenv.mkDerivation rec {
     sed -i -e '/^#include <malloc.h>$/d' *.c
   '';
 
+  # error: 'regparm' is not valid on this platform
+  NIX_CFLAGS_COMPILE = lib.optionalString (stdenv.isDarwin && stdenv.isAarch64)
+    "-D__STRICT_ANSI__";
+
   meta = with lib; {
     homepage    = "http://aa-project.sourceforge.net/bb";
     description = "AA-lib demo";
-    license     = licenses.gpl2;
+    license     = licenses.gpl2Plus;
     maintainers = [ maintainers.rnhmjoj ];
     platforms   = platforms.unix;
   };