2 files changed, 2 insertions, 4 deletions
diff --git a/configure.ac b/configure.ac
index 545e0594..a6330eba 100644
--- a/configure.ac
+++ b/configure.ac
@@ -7,6 +7,8 @@ AM_INIT_AUTOMAKE
 AC_CONFIG_SRCDIR([syslogd.c])
 AC_CONFIG_HEADERS([config.h])
 
+AC_GNU_SOURCE
+
 # Checks for programs.
 AC_PROG_CC
 AM_PROG_CC_C_O
diff --git a/rsyslog.h b/rsyslog.h
index 91d781ee..cf950d98 100644
--- a/rsyslog.h
+++ b/rsyslog.h
@@ -43,10 +43,6 @@
 #	define _FILE_OFFSET_BITS 64
 #endif
 
-#ifndef	_GNU_SOURCE
-#	define	_GNU_SOURCE 1
-#endif
-
 /* The error codes below are orginally "borrowed" from
  * liblogging. As such, we reserve values up to -2999
  * just in case we need to borrow something more ;)