5 files changed, 5 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/mq_getattr.c b/sysdeps/unix/sysv/linux/mq_getattr.c
index 94c1df57a3..a61722e237 100644
--- a/sysdeps/unix/sysv/linux/mq_getattr.c
+++ b/sysdeps/unix/sysv/linux/mq_getattr.c
@@ -18,6 +18,7 @@
 
 #include <errno.h>
 #include <mqueue.h>
+#include <stddef.h>
 #include <sysdep.h>
 
 #ifdef __NR_mq_getsetattr
diff --git a/sysdeps/unix/sysv/linux/mq_notify.c b/sysdeps/unix/sysv/linux/mq_notify.c
index 6ebe8efe5a..14db27da70 100644
--- a/sysdeps/unix/sysv/linux/mq_notify.c
+++ b/sysdeps/unix/sysv/linux/mq_notify.c
@@ -18,6 +18,7 @@
 
 #include <errno.h>
 #include <mqueue.h>
+#include <stddef.h>
 #include <sysdep.h>
 
 #ifdef __NR_mq_notify
diff --git a/sysdeps/unix/sysv/linux/mq_open.c b/sysdeps/unix/sysv/linux/mq_open.c
index ce5f5e9959..d8926a73a7 100644
--- a/sysdeps/unix/sysv/linux/mq_open.c
+++ b/sysdeps/unix/sysv/linux/mq_open.c
@@ -19,6 +19,7 @@
 #include <errno.h>
 #include <mqueue.h>
 #include <stdarg.h>
+#include <stddef.h>
 #include <sysdep.h>
 
 #ifdef __NR_mq_open
diff --git a/sysdeps/unix/sysv/linux/mq_receive.c b/sysdeps/unix/sysv/linux/mq_receive.c
index b24ba4b688..891663c66a 100644
--- a/sysdeps/unix/sysv/linux/mq_receive.c
+++ b/sysdeps/unix/sysv/linux/mq_receive.c
@@ -18,6 +18,7 @@
 
 #include <errno.h>
 #include <mqueue.h>
+#include <stddef.h>
 #include <sysdep.h>
 
 #ifdef __NR_mq_timedreceive
diff --git a/sysdeps/unix/sysv/linux/mq_send.c b/sysdeps/unix/sysv/linux/mq_send.c
index 06d367b566..cb9cbc2a69 100644
--- a/sysdeps/unix/sysv/linux/mq_send.c
+++ b/sysdeps/unix/sysv/linux/mq_send.c
@@ -18,6 +18,7 @@
 
 #include <errno.h>
 #include <mqueue.h>
+#include <stddef.h>
 #include <sysdep.h>
 
 #ifdef __NR_mq_timedsend