I'm on Debian, but maybe it's the same for you:
LUA = "/usr/local/opt/lua/bin/lua5.3",
LUA_BINDIR = "/usr/local/opt/lua/bin",
LUA_INCDIR = "/usr/local/opt/lua/include",
LUA_LIBDIR = "/usr/local/opt/lua/lib",
or path with version number:
LUA = "/usr/local/opt/lua53/bin/lua",
LUA_BINDIR =...