define _GNU_SOURCE via autoconf

2017-03-04 14:00:39 +01:00
parent d168dd31e0
commit 3b26cf1f38
3 changed files with 4 additions and 5 deletions
@@ -3,6 +3,7 @@ m4_ifndef([m4_esyscmd_s], [m4_define([m4_chomp_all], [m4_format([[%.*s]], m4_bre
 m4_ifndef([m4_esyscmd_s], [m4_define([m4_esyscmd_s], [m4_chomp_all(m4_esyscmd([$1]))])])
 AC_PREREQ([2.63])
 AC_INIT([ebusd], m4_esyscmd_s([cat VERSION]), [ebusd@ebusd.eu], [ebusd], [https://github.com/john30/ebusd])
+AC_GNU_SOURCE

 AC_CONFIG_AUX_DIR([build])
 AC_CONFIG_MACRO_DIR([m4])