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authorarch3y <arch3y@archstrike.org>2016-04-15 20:50:22 -0400
committerTobias Klauser <tklauser@distanz.ch>2016-04-17 17:09:29 +0200
commitf5ae2cd969ea4ab88109ece123c1c1f62624e8a2 (patch)
treed8c578000fd8a56754df3d8a970a2b34b1a67068
parenta0f448cecc02a6e101aa3858b2d68b9cccf11149 (diff)
build: fix compilation warnings with _GNU_SOURCE
Fix the following warnings when building with glibc>=2.20: proc.c:1:0: warning: "_GNU_SOURCE" redefined ioops.c:1:0: warning: "_GNU_SOURCE" redefined xmalloc.c:8:0: warning: "_GNU_SOURCE" redefined Signed-off-by: Arch3y <arch3y@archstrike.org> Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
-rw-r--r--ioops.c4
-rw-r--r--proc.c4
-rw-r--r--xmalloc.c5
3 files changed, 9 insertions, 4 deletions
diff --git a/ioops.c b/ioops.c
index e2b9136..c1eeddc 100644
--- a/ioops.c
+++ b/ioops.c
@@ -1,4 +1,6 @@
-#define _GNU_SOURCE
+#ifndef _GNU_SOURCE
+# define _GNU_SOURCE
+#endif
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
diff --git a/proc.c b/proc.c
index b0c577c..76e3c93 100644
--- a/proc.c
+++ b/proc.c
@@ -1,4 +1,6 @@
-#define _GNU_SOURCE
+#ifndef _GNU_SOURCE
+# define _GNU_SOURCE
+#endif
#include <sched.h>
#include <sys/wait.h>
#include <sys/types.h>
diff --git a/xmalloc.c b/xmalloc.c
index 75319ff..368e18d 100644
--- a/xmalloc.c
+++ b/xmalloc.c
@@ -4,8 +4,9 @@
* Copyright 2014, 2015 Tobias Klauser
* Subject to the GPL, version 2.
*/
-
-#define _GNU_SOURCE
+#ifndef _GNU_SOURCE
+# define _GNU_SOURCE
+#endif
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>