1 files changed, 7 insertions, 1 deletions
diff --git a/posix/sys/wait.h b/posix/sys/wait.h
index 8983a8fa31..07d0374b92 100644
--- a/posix/sys/wait.h
+++ b/posix/sys/wait.h
@@ -137,9 +137,15 @@ extern __pid_t wait (__WAIT_STATUS __stat_loc);
 extern __pid_t waitpid (__pid_t __pid, int *__stat_loc, int __options);
 
 #if defined __USE_SVID || defined __USE_XOPEN || defined __USE_XOPEN2K8
-# include <sys/resource.h>
+# ifndef __id_t_defined
+#  include <bits/types.h>
+typedef __id_t id_t;
+#  define __id_t_defined
+# endif
+
 # define __need_siginfo_t
 # include <bits/siginfo.h>
+
 /* Wait for a childing matching IDTYPE and ID to change the status and
    place appropriate information in *INFOP.
    If IDTYPE is P_PID, match any process whose process ID is ID.