diff --git a/lib/fchdir-stub.c b/lib/fchdir-stub.c
new file mode 100644
index 000000000..922236211
--- /dev/null
+++ b/lib/fchdir-stub.c
@@ -0,0 +1,14 @@
+#include <config.h>
+#include <sys/types.h>
+#include <errno.h>
+
+/* A trivial substitute for `fchdir'.
+
+   DJGPP 2.03 and earlier don't have `fchdir'. */
+
+int
+fchdir (int fd)
+{
+  errno = ENOSYS;
+  return -1;
+}