luajit: disable unwind external on aarch64-darwin

see: https://github.com/LuaJIT/LuaJIT/issues/698

pkgs/development/interpreters/luajit/aarch64-darwin-disable-unwind-external.patch

@@ -0,0 +1,14 @@
+diff --git a/src/Makefile b/src/Makefile
+index 2538503f..7e6380da 100644
+--- a/src/Makefile
++++ b/src/Makefile
+@@ -320,7 +320,9 @@ ifeq (Darwin,$(TARGET_SYS))
+     $(error missing: export MACOSX_DEPLOYMENT_TARGET=XX.YY)
+   endif
+   TARGET_STRIP+= -x
++  ifneq (arm64,$(shell uname -m))
+   TARGET_XCFLAGS+= -DLUAJIT_UNWIND_EXTERNAL
++  endif
+   TARGET_XSHLDFLAGS= -dynamiclib -single_module -undefined dynamic_lookup -fPIC
+   TARGET_DYNXLDOPTS=
+   TARGET_XSHLDFLAGS+= -install_name $(TARGET_DYLIBPATH) -compatibility_version $(MAJVER).$(MINVER) -current_version $(MAJVER).$(MINVER).$(RELVER)

pkgs/development/interpreters/luajit/default.nix

@@ -51,6 +51,10 @@ stdenv.mkDerivation rec {
 
   luaversion = "5.1";
 
+  # Fix for pcall on aarch64-darwin.
+  # Upstream issue: https://github.com/LuaJIT/LuaJIT/issues/698
+  patches = lib.optionals (stdenv.hostPlatform.system == "aarch64-darwin") [ ./aarch64-darwin-disable-unwind-external.patch ];
+
   postPatch = ''
     substituteInPlace Makefile --replace ldconfig :
     if test -n "''${dontStrip-}"; then