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-rw-r--r--common/log.c2
-rw-r--r--common/stringop.c2
-rw-r--r--common/util.c2
3 files changed, 3 insertions, 3 deletions
diff --git a/common/log.c b/common/log.c
index 61937495..af1bdc3f 100644
--- a/common/log.c
+++ b/common/log.c
@@ -1,4 +1,4 @@
-#define _POSIX_C_SOURCE 1
+#define _POSIX_C_SOURCE 199506L
#include <errno.h>
#include <libgen.h>
#include <signal.h>
diff --git a/common/stringop.c b/common/stringop.c
index 99e9636d..4a37543d 100644
--- a/common/stringop.c
+++ b/common/stringop.c
@@ -1,4 +1,4 @@
-#define _XOPEN_SOURCE 500
+#define _XOPEN_SOURCE 700
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
diff --git a/common/util.c b/common/util.c
index 34bb5ec1..d6369853 100644
--- a/common/util.c
+++ b/common/util.c
@@ -1,4 +1,4 @@
-#define _XOPEN_SOURCE 500
+#define _XOPEN_SOURCE 700
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>