luajit.pkgs.luaexpat: fix redefinition of luaL_setfuncs()

pkgs/development/lua-modules/luaexpat.patch

@@ -0,0 +1,36 @@
+diff --git a/src/lxplib.c b/src/lxplib.c
+index 1c972db..5712611 100644
+--- a/src/lxplib.c
++++ b/src/lxplib.c
+@@ -590,7 +590,7 @@ static void set_info (lua_State *L) {
+ /*
+ ** Adapted from Lua 5.2.0
+ */
+-static void luaL_setfuncs (lua_State *L, const luaL_Reg *l, int nup) {
++static void compat_luaL_setfuncs (lua_State *L, const luaL_Reg *l, int nup) {
+   luaL_checkstack(L, nup, "too many upvalues");
+   for (; l->name != NULL; l++) {  /* fill the table with given functions */
+     int i;
+@@ -602,6 +602,8 @@ static void luaL_setfuncs (lua_State *L, const luaL_Reg *l, int nup) {
+   }
+   lua_pop(L, nup);  /* remove upvalues */
+ }
++#else
++#define compat_luaL_setfuncs(L, reg, nup) luaL_setfuncs(L, reg, nup)
+ #endif
+ 
+ 
+@@ -612,11 +614,11 @@ int luaopen_lxp (lua_State *L) {
+ 	lua_pushvalue(L, -2);
+ 	lua_rawset(L, -3);
+ 
+-	luaL_setfuncs (L, lxp_meths, 0);
++	compat_luaL_setfuncs (L, lxp_meths, 0);
+ 	lua_pop (L, 1); /* remove metatable */
+ 
+ 	lua_newtable (L);
+-	luaL_setfuncs (L, lxp_funcs, 0);
++	compat_luaL_setfuncs (L, lxp_funcs, 0);
+ 	set_info (L);
+ 	return 1;
+ }

pkgs/development/lua-modules/overrides.nix

@@ -204,6 +204,9 @@ with super;
     externalDeps = [
       { name = "EXPAT"; dep = pkgs.expat; }
     ];
+    patches = [
+      ./luaexpat.patch
+    ];
   });
 
   # TODO Somehow automatically amend buildInputs for things that need luaffi