diff -ruwN source/gst/gstpoll.c source-new/gst/gstpoll.c
--- source/gst/gstpoll.c	2023-02-23 11:23:11.000000000 -0700
+++ source-new/gst/gstpoll.c	2023-05-19 13:22:32.365660597 -0600
@@ -85,6 +85,10 @@
 #include <sys/socket.h>
 #endif
 
+#if defined(__redox__)
+#include <sys/select.h>
+#endif
+
 #ifdef G_OS_WIN32
 #  ifndef EWOULDBLOCK
 #  define EWOULDBLOCK EAGAIN    /* This is just to placate gcc */
@@ -689,7 +693,9 @@
   {
     gint control_sock[2];
 
+#if !defined(__redox__)
     if (socketpair (PF_UNIX, SOCK_STREAM, 0, control_sock) < 0)
+#endif
       goto no_socket_pair;
 
     nset->control_read_fd.fd = control_sock[0];
diff -ruwN source/libs/gst/check/libcheck/meson.build source-new/libs/gst/check/libcheck/meson.build
--- source/libs/gst/check/libcheck/meson.build	2023-02-23 11:23:11.000000000 -0700
+++ source-new/libs/gst/check/libcheck/meson.build	2023-05-19 13:26:51.285620215 -0600
@@ -40,13 +40,13 @@
 endif
 
 # FIXME: check that timer_create, timer_settime, timer_delete are in rt_lib
-if not rt_lib.found()
+#if not rt_lib.found()
   libcheck_files += files(
     'libcompat/timer_create.c',
     'libcompat/timer_settime.c',
     'libcompat/timer_delete.c'
   )
-endif
+#endif
 
 configure_file(input : 'check.h.in',
   output : 'check.h',
diff -ruwN source/plugins/elements/gstfilesink.c source-new/plugins/elements/gstfilesink.c
--- source/plugins/elements/gstfilesink.c	2023-02-23 11:23:11.000000000 -0700
+++ source-new/plugins/elements/gstfilesink.c	2023-05-19 13:23:26.885652108 -0600
@@ -148,8 +148,10 @@
   else
     g_assert_not_reached ();
 
+#if !defined(__redox__)
   if (o_sync)
     flags |= O_SYNC;
+#endif
 
   fd = open (filename, flags, 0666);