On Thu, Dec 27, 2018 at 10:36 AM Duy Nguyen <pclouds@xxxxxxxxx> wrote: > > On Thu, Dec 27, 2018 at 7:18 PM Masaya Suzuki <masayasuzuki@xxxxxxxxxx> wrote: > > > > Without -Wformat, -Wformat-security won't work. > > > > > cc1: error: -Wformat-security ignored without -Wformat [-Werror=format-security] > > Compiler name and version? I'm not familar with the tools, so please be patient. According to Makefile, `CC = cc`. With `cc --version`, it says: cc (Debian 7.3.0-5) 7.3.0 Copyright (C) 2017 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. Jonathan said there was the same patch. Looks like https://public-inbox.org/git/20181012184037.15076-1-t.gummerer@xxxxxxxxx/. I'll check my config again.