Define correct _XOPEN_SOURCE for setenv - utmp - simple login manager  
  HTML git clone git://git.suckless.org/utmp
   DIR Log
   DIR Files
   DIR Refs
   DIR README
   DIR LICENSE
       ---
   DIR commit 694c4dd18eb755266cf1e18d3620ddc66ea5b063
   DIR parent 8fcc4a561cbdbfb4bf67a2b3f7574d35b7c10e49
  HTML Author: Roberto E. Vargas Caballero <k0ga@shike2.com>
       Date:   Sun, 15 Mar 2015 07:17:16 +0000
       
       Define correct _XOPEN_SOURCE for setenv
       
       setenv is defined when _XOPEN_SOURCE is bigger than 600.
       
       Diffstat:
         M config.bsd                          |       2 +-
         M config.posix                        |       2 +-
       
       2 files changed, 2 insertions(+), 2 deletions(-)
       ---
   DIR diff --git a/config.bsd b/config.bsd
       @@ -7,7 +7,7 @@ PREFIX = /usr/local
        MANPREFIX = ${PREFIX}/share/man
        
        # flags
       -CPPFLAGS += -DVERSION=\"${VERSION}\"
       +CPPFLAGS += -DVERSION=\"${VERSION}\" -D_XOPEN_SOURCE=600
        LDLIBS   += -lutil
        
        # Objects
   DIR diff --git a/config.posix b/config.posix
       @@ -7,7 +7,7 @@ PREFIX = /usr/local
        MANPREFIX = ${PREFIX}/share/man
        
        # flags
       -CPPFLAGS += -D_XOPEN_SOURCE=500 -DVERSION=\"${VERSION}\"
       +CPPFLAGS += -D_XOPEN_SOURCE=600 -DVERSION=\"${VERSION}\"
        
        # Objects