--- /dev/null
+--- a/librt/mq_receive.c
++++ b/librt/mq_receive.c
+@@ -6,7 +6,8 @@
+ #include <stddef.h>
+ #include <sys/syscall.h>
+ #include <mqueue.h>
+-#warning FIXME: hard dependency on ADVANCED REALTIME feature
++
++#ifdef __UCLIBC_HAS_ADVANCED_REALTIME__
+
+ librt_hidden_proto(mq_timedreceive)
+
+@@ -44,3 +45,5 @@ ssize_t mq_receive(mqd_t mqdes, char *ms
+ {
+ return mq_timedreceive(mqdes, msg_ptr, msg_len, msg_prio, NULL);
+ }
++
++#endif /* __UCLIBC_HAS_ADVANCED_REALTIME__ */
+--- a/librt/mq_send.c
++++ b/librt/mq_send.c
+@@ -6,7 +6,8 @@
+ #include <stddef.h>
+ #include <sys/syscall.h>
+ #include <mqueue.h>
+-#warning FIXME: hard dependency on ADVANCED REALTIME feature
++
++#ifdef __UCLIBC_HAS_ADVANCED_REALTIME__
+
+ librt_hidden_proto(mq_timedsend)
+
+@@ -43,3 +44,5 @@ int mq_send(mqd_t mqdes, const char *msg
+ {
+ return mq_timedsend(mqdes, msg_ptr, msg_len, msg_prio, NULL);
+ }
++
++#endif /* __UCLIBC_HAS_ADVANCED_REALTIME__ */
+++ /dev/null
---- a/libc/unistd/daemon.c
-+++ b/libc/unistd/daemon.c
-@@ -54,7 +54,6 @@
- libc_hidden_proto(dup2)
- libc_hidden_proto(setsid)
- libc_hidden_proto(chdir)
--libc_hidden_proto(fork)
-
- int daemon( int nochdir, int noclose )
- {