Also print extra warnings - farbfeld - suckless image format with conversion tools
  HTML git clone git://git.suckless.org/farbfeld
   DIR Log
   DIR Files
   DIR Refs
   DIR README
   DIR LICENSE
       ---
   DIR commit f22282e99a963f5935ea68a583cc7d928a787ce1
   DIR parent aa873108425a500d8f47edb56fb476f248cb09d0
  HTML Author: Laslo Hunhold <dev@frign.de>
       Date:   Wed, 12 Apr 2017 23:36:06 +0200
       
       Also print extra warnings
       
       Diffstat:
         M config.mk                           |       2 +-
       
       1 file changed, 1 insertion(+), 1 deletion(-)
       ---
   DIR diff --git a/config.mk b/config.mk
       @@ -9,7 +9,7 @@ MANPREFIX = ${PREFIX}/man
        
        # flags
        CPPFLAGS = -D_DEFAULT_SOURCE
       -CFLAGS   = -std=c99 -pedantic -Wall -Os
       +CFLAGS   = -std=c99 -pedantic -Wall -Wextra -Os
        LDFLAGS  = -s
        
        png2ff-LDFLAGS = -lpng