diff --git a/m4/d-type.m4 b/m4/d-type.m4
new file mode 100644
index 000000000..b3838f1f5
--- /dev/null
+++ b/m4/d-type.m4
@@ -0,0 +1,40 @@
+#serial 1
+
+dnl From Jim Meyering.
+dnl
+dnl Check whether struct dirent has a member named d_type.
+dnl
+
+AC_DEFUN(jm_STRUCT_DIRENT_D_TYPE,
+  [AC_REQUIRE([AC_HEADER_DIRENT])dnl
+   AC_CACHE_CHECK([for d_type member in directory struct],
+		  jm_cv_struct_dirent_d_type,
+     [AC_TRY_LINK(dnl
+       [
+#include <sys/types.h>
+#ifdef HAVE_DIRENT_H
+# include <dirent.h>
+#else /* not HAVE_DIRENT_H */
+# define dirent direct
+# ifdef HAVE_SYS_NDIR_H
+#  include <sys/ndir.h>
+# endif /* HAVE_SYS_NDIR_H */
+# ifdef HAVE_SYS_DIR_H
+#  include <sys/dir.h>
+# endif /* HAVE_SYS_DIR_H */
+# ifdef HAVE_NDIR_H
+#  include <ndir.h>
+# endif /* HAVE_NDIR_H */
+#endif /* HAVE_DIRENT_H */
+       ],
+       [struct dirent dp; dp.d_type = 0;],
+
+       jm_cv_struct_dirent_d_type=yes,
+       jm_cv_struct_dirent_d_type=no)
+     ]
+   )
+   if test $jm_cv_struct_dirent_d_type = yes; then
+     AC_DEFINE(D_TYPE_IN_DIRENT)
+   fi
+  ]
+)
diff --git a/tests/rm/Makefile.in b/tests/rm/Makefile.in
index 04e011936..77cbda09a 100644
--- a/tests/rm/Makefile.in
+++ b/tests/rm/Makefile.in
@@ -84,7 +84,7 @@ l = @l@
 
 AUTOMAKE_OPTIONS = 1.1 gnits
 
-TESTS = r-1 r-2 i-1 ir-1 f-1 deep-1
+TESTS = r-1 r-2 i-1 ir-1 f-1 sunos-1 deep-1
 EXTRA_DIST = $(TESTS)
 TESTS_ENVIRONMENT = RM=../../src/rm MKDIR=../../src/mkdir
 mkinstalldirs = $(SHELL) $(top_srcdir)/mkinstalldirs