From bae1d20e54efc3eb98c706a1192321e66d35ccac Mon Sep 17 00:00:00 2001
From: Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
Date: Wed, 8 Aug 2018 09:27:34 +0200
Subject: net, pposix, signal: Check for redefined defines, fix warnings.

---
 util-src/net.c    | 3 +++
 util-src/pposix.c | 6 ++++++
 util-src/signal.c | 2 ++
 3 files changed, 11 insertions(+)

diff --git a/util-src/net.c b/util-src/net.c
index 9ff01a71..5f706d81 100644
--- a/util-src/net.c
+++ b/util-src/net.c
@@ -9,7 +9,10 @@
 --
 */
 
+#ifndef _GNU_SOURCE
 #define _GNU_SOURCE
+#endif
+
 #include <stddef.h>
 #include <string.h>
 #include <errno.h>
diff --git a/util-src/pposix.c b/util-src/pposix.c
index 215c45c3..656bda07 100644
--- a/util-src/pposix.c
+++ b/util-src/pposix.c
@@ -17,11 +17,17 @@
 
 
 #if defined(__linux__)
+#ifndef _GNU_SOURCE
 #define _GNU_SOURCE
+#endif
 #else
+#ifndef _DEFAULT_SOURCE
 #define _DEFAULT_SOURCE
 #endif
+#endif
+#ifndef _POSIX_C_SOURCE
 #define _POSIX_C_SOURCE 200809L
+#endif
 
 #include <stdlib.h>
 #include <math.h>
diff --git a/util-src/signal.c b/util-src/signal.c
index 9e6f6f63..9bbdb37e 100644
--- a/util-src/signal.c
+++ b/util-src/signal.c
@@ -26,7 +26,9 @@
  * OTHER DEALINGS IN THE SOFTWARE.
 */
 
+#ifndef _GNU_SOURCE
 #define _GNU_SOURCE
+#endif
 
 #include <signal.h>
 #include <stdlib.h>
-- 
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