From f69121b84ca4c47e51877b53d073cf0408bf34ea Mon Sep 17 00:00:00 2001
From: Colin Walters <walters@verbum.org>
Date: Thu, 4 Jun 2015 13:00:42 -0400
Subject: build: Use AC_USE_SYSTEM_EXTENSIONS

This ensures that we get all of the extensions consistently, rather
than having just a few files `#define _GNU_SOURCE`.
---
 configure.ac                               | 1 +
 src/examples/frobnicate.c                  | 3 ++-
 src/polkitagent/polkitagenthelperprivate.h | 1 -
 src/programs/pkexec.c                      | 2 --
 4 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/configure.ac b/configure.ac
index 4af973b..8112171 100644
--- a/configure.ac
+++ b/configure.ac
@@ -23,6 +23,7 @@ AC_SUBST(LT_CURRENT)
 AC_SUBST(LT_REVISION)
 AC_SUBST(LT_AGE)
 
+AC_USE_SYSTEM_EXTENSIONS
 AC_ISC_POSIX
 AC_PROG_CC
 AC_HEADER_STDC
diff --git a/src/examples/frobnicate.c b/src/examples/frobnicate.c
index 7ca6c46..29e0cbf 100644
--- a/src/examples/frobnicate.c
+++ b/src/examples/frobnicate.c
@@ -19,7 +19,8 @@
  * Author: David Zeuthen <davidz@redhat.com>
  */
 
-#define _GNU_SOURCE
+#include "config.h"
+
 #include <glib.h>
 #include <unistd.h>
 #include <stdlib.h>
diff --git a/src/polkitagent/polkitagenthelperprivate.h b/src/polkitagent/polkitagenthelperprivate.h
index 547fdcc..c5145b5 100644
--- a/src/polkitagent/polkitagenthelperprivate.h
+++ b/src/polkitagent/polkitagenthelperprivate.h
@@ -22,7 +22,6 @@
 #ifndef __POLKIT_AGENT_HELPER_PRIVATE_H
 #define __POLKIT_AGENT_HELPER_PRIVATE_H
 
-#define _GNU_SOURCE
 #include <polkit/polkit.h>
 
 /* Development aid: define PAH_DEBUG to get debugging output. Do _NOT_
diff --git a/src/programs/pkexec.c b/src/programs/pkexec.c
index 32c204d..7698c5c 100644
--- a/src/programs/pkexec.c
+++ b/src/programs/pkexec.c
@@ -23,8 +23,6 @@
 #  include "config.h"
 #endif
 
-#define _GNU_SOURCE
-
 #include <string.h>
 #include <stdlib.h>
 #include <sys/types.h>
-- 
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