7 files changed, 9 insertions, 0 deletions
diff --git a/hurd/hurd.h b/hurd/hurd.h
index 029a7ebc59..d3c868928b 100644
--- a/hurd/hurd.h
+++ b/hurd/hurd.h
@@ -41,6 +41,7 @@
 #include <hurd/port.h>
 
 #include <errno.h>
+#include <bits/types/error_t.h>
 #include <bits/types/sigset_t.h>
 
 #ifndef _HURD_H_EXTERN_INLINE
diff --git a/hurd/hurd/fd.h b/hurd/hurd/fd.h
index 5a067d4888..af5fdcf759 100644
--- a/hurd/hurd/fd.h
+++ b/hurd/hurd/fd.h
@@ -142,6 +142,7 @@ _hurd_fd_get (int fd)
      __result; })
 
 #include <errno.h>
+#include <bits/types/error_t.h>
 
 /* Check if ERR should generate a signal.
    Returns the signal to take, or zero if none.  */
diff --git a/hurd/hurd/id.h b/hurd/hurd/id.h
index 28563c9618..38988bfe72 100644
--- a/hurd/hurd/id.h
+++ b/hurd/hurd/id.h
@@ -21,6 +21,8 @@
 #define	_HURD_ID_H	1
 #include <features.h>
 #include <hurd/hurd_types.h>
+#include <errno.h>
+#include <bits/types/error_t.h>
 
 #include <cthreads.h>		/* For `struct mutex'.  */
 
diff --git a/hurd/hurd/lookup.h b/hurd/hurd/lookup.h
index 9a1f58058f..d0fa87b3d6 100644
--- a/hurd/hurd/lookup.h
+++ b/hurd/hurd/lookup.h
@@ -19,6 +19,8 @@
 #ifndef _HURD_LOOKUP_H
 #define _HURD_LOOKUP_H	1
 
+#include <errno.h>
+#include <bits/types/error_t.h>
 #include <hurd/hurd_types.h>
 
 /* These functions all take two callback functions as the first two arguments.
diff --git a/hurd/hurd/resource.h b/hurd/hurd/resource.h
index 23b795dce5..eb93110799 100644
--- a/hurd/hurd/resource.h
+++ b/hurd/hurd/resource.h
@@ -22,6 +22,7 @@
 #include <sys/types.h>
 #include <sys/resource.h>
 #include <errno.h>
+#include <bits/types/error_t.h>
 #include <hurd/process.h>
 
 /* This array contains the current resource limits for the process.  */
diff --git a/hurd/hurd/signal.h b/hurd/hurd/signal.h
index 9cb5f3cfc4..d4edf317a1 100644
--- a/hurd/hurd/signal.h
+++ b/hurd/hurd/signal.h
@@ -31,6 +31,7 @@
 #include <hurd/hurd_types.h>
 #include <signal.h>
 #include <errno.h>
+#include <bits/types/error_t.h>
 #include <bits/types/stack_t.h>
 #include <bits/types/sigset_t.h>
 #include <hurd/msg.h>
diff --git a/hurd/hurd/sigpreempt.h b/hurd/hurd/sigpreempt.h
index d059408fb8..a1df82e2c6 100644
--- a/hurd/hurd/sigpreempt.h
+++ b/hurd/hurd/sigpreempt.h
@@ -22,6 +22,7 @@
 #define __need_size_t
 #include <stddef.h>
 #include <errno.h>
+#include <bits/types/error_t.h>
 #include <signal.h>		/* For sighandler_t, SIG_ERR.  */
 #include <bits/types/sigset_t.h>
 struct hurd_sigstate;		/* <hurd/signal.h> */