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-rw-r--r--src/linux/sethostname.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/linux/sethostname.c b/src/linux/sethostname.c
index 79a87078..9313b324 100644
--- a/src/linux/sethostname.c
+++ b/src/linux/sethostname.c
@@ -1,3 +1,4 @@
+#define _GNU_SOURCE
#include <unistd.h>
#include "syscall.h"