always define _GNU_SOURCE

git-svn-id: svn://svn.lighttpd.net/lighttpd/branches/lighttpd-1.4.x@2643 152afb58-edef-0310-8abb-c4023f1b3aa9

NEWS

@@ -50,6 +50,7 @@ NEWS
   * Fix segfault on invalid config "duplicate else conditions" (fixes #2065)
   * mod_usertrack: Use T_CONFIG_INT for max-age, solves range problem (#1455)
   * mod_accesslog: configurable timestamp logging (fixes #1479)
+  * always define _GNU_SOURCE
 
 - 1.4.23 - 2009-06-19
   * Added some extra warning options in cmake and fix the resulting warnings (unused/static functions)

src/base.h

@@ -4,6 +4,7 @@
 #ifdef HAVE_CONFIG_H
 # include "config.h"
 #endif
+#include "settings.h"
 
 #include <sys/types.h>
 #include <sys/time.h>
@@ -23,7 +24,6 @@
 #include "array.h"
 #include "chunk.h"
 #include "keyvalue.h"
-#include "settings.h"
 #include "fdevent.h"
 #include "sys-socket.h"
 #include "splaytree.h"

src/fdevent_linux_rtsig.c

@@ -11,9 +11,6 @@
 #include <signal.h>
 #include <limits.h>
 
-#ifndef __USE_GNU
-# define __USE_GNU /* a hack in my eyes, should work with _GNU_SOURCE */
-#endif
 #include <fcntl.h>
 
 #ifdef USE_LINUX_SIGIO

src/http-header-glue.c

@@ -8,10 +8,6 @@
 #include <string.h>
 #include <errno.h>
 
-#ifndef _GNU_SOURCE
-# define _GNU_SOURCE
-#endif
-
 #include <time.h>
 
 /*

src/settings.h

@@ -1,6 +1,14 @@
 #ifndef _LIGHTTPD_SETTINGS_H_
 #define _LIGHTTPD_SETTINGS_H_
 
+#ifndef _GNU_SOURCE
+# define _GNU_SOURCE
+#endif
+
+#ifndef __USE_GNU
+# define __USE_GNU /* a hack in my eyes, <fcntl.h> F_SETSIG should work with _GNU_SOURCE */
+#endif
+
 #define BV(x) (1 << x)
 
 #define INET_NTOP_CACHE_MAX 4