.

43 files changed, 201 insertions, 147 deletions

diff --git a/tests/chgrp/Makefile.in b/tests/chgrp/Makefile.in
index 43cc0aa59..f3e9c5327 100644
--- a/tests/chgrp/Makefile.in
+++ b/tests/chgrp/Makefile.in
@@ -54,9 +54,10 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/acl.m4 $(top_srcdir)/m4/afs.m4 \
 	$(top_srcdir)/m4/cycle-check.m4 $(top_srcdir)/m4/d-ino.m4 \
 	$(top_srcdir)/m4/d-type.m4 $(top_srcdir)/m4/diacrit.m4 \
 	$(top_srcdir)/m4/dirfd.m4 $(top_srcdir)/m4/dirname.m4 \
-	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/dup2.m4 \
-	$(top_srcdir)/m4/eealloc.m4 $(top_srcdir)/m4/eoverflow.m4 \
-	$(top_srcdir)/m4/error.m4 $(top_srcdir)/m4/euidaccess-stat.m4 \
+	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/double-slash-root.m4 \
+	$(top_srcdir)/m4/dup2.m4 $(top_srcdir)/m4/eealloc.m4 \
+	$(top_srcdir)/m4/eoverflow.m4 $(top_srcdir)/m4/error.m4 \
+	$(top_srcdir)/m4/euidaccess-stat.m4 \
 	$(top_srcdir)/m4/euidaccess.m4 $(top_srcdir)/m4/exclude.m4 \
 	$(top_srcdir)/m4/exitfail.m4 $(top_srcdir)/m4/extensions.m4 \
 	$(top_srcdir)/m4/fcntl-safer.m4 $(top_srcdir)/m4/fd-reopen.m4 \
diff --git a/tests/chmod/Makefile.in b/tests/chmod/Makefile.in
index e2b516323..cbe88cc77 100644
--- a/tests/chmod/Makefile.in
+++ b/tests/chmod/Makefile.in
@@ -54,9 +54,10 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/acl.m4 $(top_srcdir)/m4/afs.m4 \
 	$(top_srcdir)/m4/cycle-check.m4 $(top_srcdir)/m4/d-ino.m4 \
 	$(top_srcdir)/m4/d-type.m4 $(top_srcdir)/m4/diacrit.m4 \
 	$(top_srcdir)/m4/dirfd.m4 $(top_srcdir)/m4/dirname.m4 \
-	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/dup2.m4 \
-	$(top_srcdir)/m4/eealloc.m4 $(top_srcdir)/m4/eoverflow.m4 \
-	$(top_srcdir)/m4/error.m4 $(top_srcdir)/m4/euidaccess-stat.m4 \
+	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/double-slash-root.m4 \
+	$(top_srcdir)/m4/dup2.m4 $(top_srcdir)/m4/eealloc.m4 \
+	$(top_srcdir)/m4/eoverflow.m4 $(top_srcdir)/m4/error.m4 \
+	$(top_srcdir)/m4/euidaccess-stat.m4 \
 	$(top_srcdir)/m4/euidaccess.m4 $(top_srcdir)/m4/exclude.m4 \
 	$(top_srcdir)/m4/exitfail.m4 $(top_srcdir)/m4/extensions.m4 \
 	$(top_srcdir)/m4/fcntl-safer.m4 $(top_srcdir)/m4/fd-reopen.m4 \
diff --git a/tests/chown/Makefile.in b/tests/chown/Makefile.in
index 11a1db235..eb432a862 100644
--- a/tests/chown/Makefile.in
+++ b/tests/chown/Makefile.in
@@ -54,9 +54,10 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/acl.m4 $(top_srcdir)/m4/afs.m4 \
 	$(top_srcdir)/m4/cycle-check.m4 $(top_srcdir)/m4/d-ino.m4 \
 	$(top_srcdir)/m4/d-type.m4 $(top_srcdir)/m4/diacrit.m4 \
 	$(top_srcdir)/m4/dirfd.m4 $(top_srcdir)/m4/dirname.m4 \
-	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/dup2.m4 \
-	$(top_srcdir)/m4/eealloc.m4 $(top_srcdir)/m4/eoverflow.m4 \
-	$(top_srcdir)/m4/error.m4 $(top_srcdir)/m4/euidaccess-stat.m4 \
+	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/double-slash-root.m4 \
+	$(top_srcdir)/m4/dup2.m4 $(top_srcdir)/m4/eealloc.m4 \
+	$(top_srcdir)/m4/eoverflow.m4 $(top_srcdir)/m4/error.m4 \
+	$(top_srcdir)/m4/euidaccess-stat.m4 \
 	$(top_srcdir)/m4/euidaccess.m4 $(top_srcdir)/m4/exclude.m4 \
 	$(top_srcdir)/m4/exitfail.m4 $(top_srcdir)/m4/extensions.m4 \
 	$(top_srcdir)/m4/fcntl-safer.m4 $(top_srcdir)/m4/fd-reopen.m4 \
diff --git a/tests/cp/Makefile.in b/tests/cp/Makefile.in
index 89c215092..5b3804263 100644
--- a/tests/cp/Makefile.in
+++ b/tests/cp/Makefile.in
@@ -54,9 +54,10 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/acl.m4 $(top_srcdir)/m4/afs.m4 \
 	$(top_srcdir)/m4/cycle-check.m4 $(top_srcdir)/m4/d-ino.m4 \
 	$(top_srcdir)/m4/d-type.m4 $(top_srcdir)/m4/diacrit.m4 \
 	$(top_srcdir)/m4/dirfd.m4 $(top_srcdir)/m4/dirname.m4 \
-	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/dup2.m4 \
-	$(top_srcdir)/m4/eealloc.m4 $(top_srcdir)/m4/eoverflow.m4 \
-	$(top_srcdir)/m4/error.m4 $(top_srcdir)/m4/euidaccess-stat.m4 \
+	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/double-slash-root.m4 \
+	$(top_srcdir)/m4/dup2.m4 $(top_srcdir)/m4/eealloc.m4 \
+	$(top_srcdir)/m4/eoverflow.m4 $(top_srcdir)/m4/error.m4 \
+	$(top_srcdir)/m4/euidaccess-stat.m4 \
 	$(top_srcdir)/m4/euidaccess.m4 $(top_srcdir)/m4/exclude.m4 \
 	$(top_srcdir)/m4/exitfail.m4 $(top_srcdir)/m4/extensions.m4 \
 	$(top_srcdir)/m4/fcntl-safer.m4 $(top_srcdir)/m4/fd-reopen.m4 \
diff --git a/tests/cut/Makefile.in b/tests/cut/Makefile.in
index ceca64bbf..6c935cfa6 100644
--- a/tests/cut/Makefile.in
+++ b/tests/cut/Makefile.in
@@ -55,9 +55,10 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/acl.m4 $(top_srcdir)/m4/afs.m4 \
 	$(top_srcdir)/m4/cycle-check.m4 $(top_srcdir)/m4/d-ino.m4 \
 	$(top_srcdir)/m4/d-type.m4 $(top_srcdir)/m4/diacrit.m4 \
 	$(top_srcdir)/m4/dirfd.m4 $(top_srcdir)/m4/dirname.m4 \
-	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/dup2.m4 \
-	$(top_srcdir)/m4/eealloc.m4 $(top_srcdir)/m4/eoverflow.m4 \
-	$(top_srcdir)/m4/error.m4 $(top_srcdir)/m4/euidaccess-stat.m4 \
+	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/double-slash-root.m4 \
+	$(top_srcdir)/m4/dup2.m4 $(top_srcdir)/m4/eealloc.m4 \
+	$(top_srcdir)/m4/eoverflow.m4 $(top_srcdir)/m4/error.m4 \
+	$(top_srcdir)/m4/euidaccess-stat.m4 \
 	$(top_srcdir)/m4/euidaccess.m4 $(top_srcdir)/m4/exclude.m4 \
 	$(top_srcdir)/m4/exitfail.m4 $(top_srcdir)/m4/extensions.m4 \
 	$(top_srcdir)/m4/fcntl-safer.m4 $(top_srcdir)/m4/fd-reopen.m4 \
diff --git a/tests/dd/Makefile.in b/tests/dd/Makefile.in
index 421c9497a..e446e34c0 100644
--- a/tests/dd/Makefile.in
+++ b/tests/dd/Makefile.in
@@ -54,9 +54,10 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/acl.m4 $(top_srcdir)/m4/afs.m4 \
 	$(top_srcdir)/m4/cycle-check.m4 $(top_srcdir)/m4/d-ino.m4 \
 	$(top_srcdir)/m4/d-type.m4 $(top_srcdir)/m4/diacrit.m4 \
 	$(top_srcdir)/m4/dirfd.m4 $(top_srcdir)/m4/dirname.m4 \
-	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/dup2.m4 \
-	$(top_srcdir)/m4/eealloc.m4 $(top_srcdir)/m4/eoverflow.m4 \
-	$(top_srcdir)/m4/error.m4 $(top_srcdir)/m4/euidaccess-stat.m4 \
+	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/double-slash-root.m4 \
+	$(top_srcdir)/m4/dup2.m4 $(top_srcdir)/m4/eealloc.m4 \
+	$(top_srcdir)/m4/eoverflow.m4 $(top_srcdir)/m4/error.m4 \
+	$(top_srcdir)/m4/euidaccess-stat.m4 \
 	$(top_srcdir)/m4/euidaccess.m4 $(top_srcdir)/m4/exclude.m4 \
 	$(top_srcdir)/m4/exitfail.m4 $(top_srcdir)/m4/extensions.m4 \
 	$(top_srcdir)/m4/fcntl-safer.m4 $(top_srcdir)/m4/fd-reopen.m4 \
diff --git a/tests/dircolors/Makefile.in b/tests/dircolors/Makefile.in
index 7e26e66c6..ccf7d5623 100644
--- a/tests/dircolors/Makefile.in
+++ b/tests/dircolors/Makefile.in
@@ -54,9 +54,10 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/acl.m4 $(top_srcdir)/m4/afs.m4 \
 	$(top_srcdir)/m4/cycle-check.m4 $(top_srcdir)/m4/d-ino.m4 \
 	$(top_srcdir)/m4/d-type.m4 $(top_srcdir)/m4/diacrit.m4 \
 	$(top_srcdir)/m4/dirfd.m4 $(top_srcdir)/m4/dirname.m4 \
-	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/dup2.m4 \
-	$(top_srcdir)/m4/eealloc.m4 $(top_srcdir)/m4/eoverflow.m4 \
-	$(top_srcdir)/m4/error.m4 $(top_srcdir)/m4/euidaccess-stat.m4 \
+	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/double-slash-root.m4 \
+	$(top_srcdir)/m4/dup2.m4 $(top_srcdir)/m4/eealloc.m4 \
+	$(top_srcdir)/m4/eoverflow.m4 $(top_srcdir)/m4/error.m4 \
+	$(top_srcdir)/m4/euidaccess-stat.m4 \
 	$(top_srcdir)/m4/euidaccess.m4 $(top_srcdir)/m4/exclude.m4 \
 	$(top_srcdir)/m4/exitfail.m4 $(top_srcdir)/m4/extensions.m4 \
 	$(top_srcdir)/m4/fcntl-safer.m4 $(top_srcdir)/m4/fd-reopen.m4 \
diff --git a/tests/du/Makefile.in b/tests/du/Makefile.in
index 976571fb4..61037474d 100644
--- a/tests/du/Makefile.in
+++ b/tests/du/Makefile.in
@@ -54,9 +54,10 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/acl.m4 $(top_srcdir)/m4/afs.m4 \
 	$(top_srcdir)/m4/cycle-check.m4 $(top_srcdir)/m4/d-ino.m4 \
 	$(top_srcdir)/m4/d-type.m4 $(top_srcdir)/m4/diacrit.m4 \
 	$(top_srcdir)/m4/dirfd.m4 $(top_srcdir)/m4/dirname.m4 \
-	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/dup2.m4 \
-	$(top_srcdir)/m4/eealloc.m4 $(top_srcdir)/m4/eoverflow.m4 \
-	$(top_srcdir)/m4/error.m4 $(top_srcdir)/m4/euidaccess-stat.m4 \
+	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/double-slash-root.m4 \
+	$(top_srcdir)/m4/dup2.m4 $(top_srcdir)/m4/eealloc.m4 \
+	$(top_srcdir)/m4/eoverflow.m4 $(top_srcdir)/m4/error.m4 \
+	$(top_srcdir)/m4/euidaccess-stat.m4 \
 	$(top_srcdir)/m4/euidaccess.m4 $(top_srcdir)/m4/exclude.m4 \
 	$(top_srcdir)/m4/exitfail.m4 $(top_srcdir)/m4/extensions.m4 \
 	$(top_srcdir)/m4/fcntl-safer.m4 $(top_srcdir)/m4/fd-reopen.m4 \
diff --git a/tests/expr/Makefile.in b/tests/expr/Makefile.in
index b3fb3a562..b7c9fa881 100644
--- a/tests/expr/Makefile.in
+++ b/tests/expr/Makefile.in
@@ -54,9 +54,10 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/acl.m4 $(top_srcdir)/m4/afs.m4 \
 	$(top_srcdir)/m4/cycle-check.m4 $(top_srcdir)/m4/d-ino.m4 \
 	$(top_srcdir)/m4/d-type.m4 $(top_srcdir)/m4/diacrit.m4 \
 	$(top_srcdir)/m4/dirfd.m4 $(top_srcdir)/m4/dirname.m4 \
-	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/dup2.m4 \
-	$(top_srcdir)/m4/eealloc.m4 $(top_srcdir)/m4/eoverflow.m4 \
-	$(top_srcdir)/m4/error.m4 $(top_srcdir)/m4/euidaccess-stat.m4 \
+	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/double-slash-root.m4 \
+	$(top_srcdir)/m4/dup2.m4 $(top_srcdir)/m4/eealloc.m4 \
+	$(top_srcdir)/m4/eoverflow.m4 $(top_srcdir)/m4/error.m4 \
+	$(top_srcdir)/m4/euidaccess-stat.m4 \
 	$(top_srcdir)/m4/euidaccess.m4 $(top_srcdir)/m4/exclude.m4 \
 	$(top_srcdir)/m4/exitfail.m4 $(top_srcdir)/m4/extensions.m4 \
 	$(top_srcdir)/m4/fcntl-safer.m4 $(top_srcdir)/m4/fd-reopen.m4 \
diff --git a/tests/factor/Makefile.in b/tests/factor/Makefile.in
index 3e7791a80..a6b675f93 100644
--- a/tests/factor/Makefile.in
+++ b/tests/factor/Makefile.in
@@ -54,9 +54,10 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/acl.m4 $(top_srcdir)/m4/afs.m4 \
 	$(top_srcdir)/m4/cycle-check.m4 $(top_srcdir)/m4/d-ino.m4 \
 	$(top_srcdir)/m4/d-type.m4 $(top_srcdir)/m4/diacrit.m4 \
 	$(top_srcdir)/m4/dirfd.m4 $(top_srcdir)/m4/dirname.m4 \
-	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/dup2.m4 \
-	$(top_srcdir)/m4/eealloc.m4 $(top_srcdir)/m4/eoverflow.m4 \
-	$(top_srcdir)/m4/error.m4 $(top_srcdir)/m4/euidaccess-stat.m4 \
+	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/double-slash-root.m4 \
+	$(top_srcdir)/m4/dup2.m4 $(top_srcdir)/m4/eealloc.m4 \
+	$(top_srcdir)/m4/eoverflow.m4 $(top_srcdir)/m4/error.m4 \
+	$(top_srcdir)/m4/euidaccess-stat.m4 \
 	$(top_srcdir)/m4/euidaccess.m4 $(top_srcdir)/m4/exclude.m4 \
 	$(top_srcdir)/m4/exitfail.m4 $(top_srcdir)/m4/extensions.m4 \
 	$(top_srcdir)/m4/fcntl-safer.m4 $(top_srcdir)/m4/fd-reopen.m4 \
diff --git a/tests/fmt/Makefile.in b/tests/fmt/Makefile.in
index 185558f93..ab65e82d2 100644
--- a/tests/fmt/Makefile.in
+++ b/tests/fmt/Makefile.in
@@ -54,9 +54,10 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/acl.m4 $(top_srcdir)/m4/afs.m4 \
 	$(top_srcdir)/m4/cycle-check.m4 $(top_srcdir)/m4/d-ino.m4 \
 	$(top_srcdir)/m4/d-type.m4 $(top_srcdir)/m4/diacrit.m4 \
 	$(top_srcdir)/m4/dirfd.m4 $(top_srcdir)/m4/dirname.m4 \
-	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/dup2.m4 \
-	$(top_srcdir)/m4/eealloc.m4 $(top_srcdir)/m4/eoverflow.m4 \
-	$(top_srcdir)/m4/error.m4 $(top_srcdir)/m4/euidaccess-stat.m4 \
+	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/double-slash-root.m4 \
+	$(top_srcdir)/m4/dup2.m4 $(top_srcdir)/m4/eealloc.m4 \
+	$(top_srcdir)/m4/eoverflow.m4 $(top_srcdir)/m4/error.m4 \
+	$(top_srcdir)/m4/euidaccess-stat.m4 \
 	$(top_srcdir)/m4/euidaccess.m4 $(top_srcdir)/m4/exclude.m4 \
 	$(top_srcdir)/m4/exitfail.m4 $(top_srcdir)/m4/extensions.m4 \
 	$(top_srcdir)/m4/fcntl-safer.m4 $(top_srcdir)/m4/fd-reopen.m4 \
diff --git a/tests/head/Makefile.in b/tests/head/Makefile.in
index 865f86e0e..0f1e35ec3 100644
--- a/tests/head/Makefile.in
+++ b/tests/head/Makefile.in
@@ -55,9 +55,10 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/acl.m4 $(top_srcdir)/m4/afs.m4 \
 	$(top_srcdir)/m4/cycle-check.m4 $(top_srcdir)/m4/d-ino.m4 \
 	$(top_srcdir)/m4/d-type.m4 $(top_srcdir)/m4/diacrit.m4 \
 	$(top_srcdir)/m4/dirfd.m4 $(top_srcdir)/m4/dirname.m4 \
-	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/dup2.m4 \
-	$(top_srcdir)/m4/eealloc.m4 $(top_srcdir)/m4/eoverflow.m4 \
-	$(top_srcdir)/m4/error.m4 $(top_srcdir)/m4/euidaccess-stat.m4 \
+	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/double-slash-root.m4 \
+	$(top_srcdir)/m4/dup2.m4 $(top_srcdir)/m4/eealloc.m4 \
+	$(top_srcdir)/m4/eoverflow.m4 $(top_srcdir)/m4/error.m4 \
+	$(top_srcdir)/m4/euidaccess-stat.m4 \
 	$(top_srcdir)/m4/euidaccess.m4 $(top_srcdir)/m4/exclude.m4 \
 	$(top_srcdir)/m4/exitfail.m4 $(top_srcdir)/m4/extensions.m4 \
 	$(top_srcdir)/m4/fcntl-safer.m4 $(top_srcdir)/m4/fd-reopen.m4 \
diff --git a/tests/install/Makefile.in b/tests/install/Makefile.in
index d7da41765..475e5f9da 100644
--- a/tests/install/Makefile.in
+++ b/tests/install/Makefile.in
@@ -54,9 +54,10 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/acl.m4 $(top_srcdir)/m4/afs.m4 \
 	$(top_srcdir)/m4/cycle-check.m4 $(top_srcdir)/m4/d-ino.m4 \
 	$(top_srcdir)/m4/d-type.m4 $(top_srcdir)/m4/diacrit.m4 \
 	$(top_srcdir)/m4/dirfd.m4 $(top_srcdir)/m4/dirname.m4 \
-	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/dup2.m4 \
-	$(top_srcdir)/m4/eealloc.m4 $(top_srcdir)/m4/eoverflow.m4 \
-	$(top_srcdir)/m4/error.m4 $(top_srcdir)/m4/euidaccess-stat.m4 \
+	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/double-slash-root.m4 \
+	$(top_srcdir)/m4/dup2.m4 $(top_srcdir)/m4/eealloc.m4 \
+	$(top_srcdir)/m4/eoverflow.m4 $(top_srcdir)/m4/error.m4 \
+	$(top_srcdir)/m4/euidaccess-stat.m4 \
 	$(top_srcdir)/m4/euidaccess.m4 $(top_srcdir)/m4/exclude.m4 \
 	$(top_srcdir)/m4/exitfail.m4 $(top_srcdir)/m4/extensions.m4 \
 	$(top_srcdir)/m4/fcntl-safer.m4 $(top_srcdir)/m4/fd-reopen.m4 \
diff --git a/tests/join/Makefile.in b/tests/join/Makefile.in
index 8b1a8d525..b7cbc859b 100644
--- a/tests/join/Makefile.in
+++ b/tests/join/Makefile.in
@@ -55,9 +55,10 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/acl.m4 $(top_srcdir)/m4/afs.m4 \
 	$(top_srcdir)/m4/cycle-check.m4 $(top_srcdir)/m4/d-ino.m4 \
 	$(top_srcdir)/m4/d-type.m4 $(top_srcdir)/m4/diacrit.m4 \
 	$(top_srcdir)/m4/dirfd.m4 $(top_srcdir)/m4/dirname.m4 \
-	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/dup2.m4 \
-	$(top_srcdir)/m4/eealloc.m4 $(top_srcdir)/m4/eoverflow.m4 \
-	$(top_srcdir)/m4/error.m4 $(top_srcdir)/m4/euidaccess-stat.m4 \
+	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/double-slash-root.m4 \
+	$(top_srcdir)/m4/dup2.m4 $(top_srcdir)/m4/eealloc.m4 \
+	$(top_srcdir)/m4/eoverflow.m4 $(top_srcdir)/m4/error.m4 \
+	$(top_srcdir)/m4/euidaccess-stat.m4 \
 	$(top_srcdir)/m4/euidaccess.m4 $(top_srcdir)/m4/exclude.m4 \
 	$(top_srcdir)/m4/exitfail.m4 $(top_srcdir)/m4/extensions.m4 \
 	$(top_srcdir)/m4/fcntl-safer.m4 $(top_srcdir)/m4/fd-reopen.m4 \
diff --git a/tests/ln/Makefile.in b/tests/ln/Makefile.in
index c923e201a..f9ca58e1f 100644
--- a/tests/ln/Makefile.in
+++ b/tests/ln/Makefile.in
@@ -54,9 +54,10 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/acl.m4 $(top_srcdir)/m4/afs.m4 \
 	$(top_srcdir)/m4/cycle-check.m4 $(top_srcdir)/m4/d-ino.m4 \
 	$(top_srcdir)/m4/d-type.m4 $(top_srcdir)/m4/diacrit.m4 \
 	$(top_srcdir)/m4/dirfd.m4 $(top_srcdir)/m4/dirname.m4 \
-	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/dup2.m4 \
-	$(top_srcdir)/m4/eealloc.m4 $(top_srcdir)/m4/eoverflow.m4 \
-	$(top_srcdir)/m4/error.m4 $(top_srcdir)/m4/euidaccess-stat.m4 \
+	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/double-slash-root.m4 \
+	$(top_srcdir)/m4/dup2.m4 $(top_srcdir)/m4/eealloc.m4 \
+	$(top_srcdir)/m4/eoverflow.m4 $(top_srcdir)/m4/error.m4 \
+	$(top_srcdir)/m4/euidaccess-stat.m4 \
 	$(top_srcdir)/m4/euidaccess.m4 $(top_srcdir)/m4/exclude.m4 \
 	$(top_srcdir)/m4/exitfail.m4 $(top_srcdir)/m4/extensions.m4 \
 	$(top_srcdir)/m4/fcntl-safer.m4 $(top_srcdir)/m4/fd-reopen.m4 \
diff --git a/tests/ls-2/Makefile.in b/tests/ls-2/Makefile.in
index 600070954..1313e30b0 100644
--- a/tests/ls-2/Makefile.in
+++ b/tests/ls-2/Makefile.in
@@ -54,9 +54,10 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/acl.m4 $(top_srcdir)/m4/afs.m4 \
 	$(top_srcdir)/m4/cycle-check.m4 $(top_srcdir)/m4/d-ino.m4 \
 	$(top_srcdir)/m4/d-type.m4 $(top_srcdir)/m4/diacrit.m4 \
 	$(top_srcdir)/m4/dirfd.m4 $(top_srcdir)/m4/dirname.m4 \
-	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/dup2.m4 \
-	$(top_srcdir)/m4/eealloc.m4 $(top_srcdir)/m4/eoverflow.m4 \
-	$(top_srcdir)/m4/error.m4 $(top_srcdir)/m4/euidaccess-stat.m4 \
+	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/double-slash-root.m4 \
+	$(top_srcdir)/m4/dup2.m4 $(top_srcdir)/m4/eealloc.m4 \
+	$(top_srcdir)/m4/eoverflow.m4 $(top_srcdir)/m4/error.m4 \
+	$(top_srcdir)/m4/euidaccess-stat.m4 \
 	$(top_srcdir)/m4/euidaccess.m4 $(top_srcdir)/m4/exclude.m4 \
 	$(top_srcdir)/m4/exitfail.m4 $(top_srcdir)/m4/extensions.m4 \
 	$(top_srcdir)/m4/fcntl-safer.m4 $(top_srcdir)/m4/fd-reopen.m4 \
diff --git a/tests/ls/Makefile.in b/tests/ls/Makefile.in
index 3d856e313..69f4c19a6 100644
--- a/tests/ls/Makefile.in
+++ b/tests/ls/Makefile.in
@@ -54,9 +54,10 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/acl.m4 $(top_srcdir)/m4/afs.m4 \
 	$(top_srcdir)/m4/cycle-check.m4 $(top_srcdir)/m4/d-ino.m4 \
 	$(top_srcdir)/m4/d-type.m4 $(top_srcdir)/m4/diacrit.m4 \
 	$(top_srcdir)/m4/dirfd.m4 $(top_srcdir)/m4/dirname.m4 \
-	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/dup2.m4 \
-	$(top_srcdir)/m4/eealloc.m4 $(top_srcdir)/m4/eoverflow.m4 \
-	$(top_srcdir)/m4/error.m4 $(top_srcdir)/m4/euidaccess-stat.m4 \
+	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/double-slash-root.m4 \
+	$(top_srcdir)/m4/dup2.m4 $(top_srcdir)/m4/eealloc.m4 \
+	$(top_srcdir)/m4/eoverflow.m4 $(top_srcdir)/m4/error.m4 \
+	$(top_srcdir)/m4/euidaccess-stat.m4 \
 	$(top_srcdir)/m4/euidaccess.m4 $(top_srcdir)/m4/exclude.m4 \
 	$(top_srcdir)/m4/exitfail.m4 $(top_srcdir)/m4/extensions.m4 \
 	$(top_srcdir)/m4/fcntl-safer.m4 $(top_srcdir)/m4/fd-reopen.m4 \
diff --git a/tests/md5sum/Makefile.in b/tests/md5sum/Makefile.in
index f08654435..5fed6b47b 100644
--- a/tests/md5sum/Makefile.in
+++ b/tests/md5sum/Makefile.in
@@ -54,9 +54,10 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/acl.m4 $(top_srcdir)/m4/afs.m4 \
 	$(top_srcdir)/m4/cycle-check.m4 $(top_srcdir)/m4/d-ino.m4 \
 	$(top_srcdir)/m4/d-type.m4 $(top_srcdir)/m4/diacrit.m4 \
 	$(top_srcdir)/m4/dirfd.m4 $(top_srcdir)/m4/dirname.m4 \
-	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/dup2.m4 \
-	$(top_srcdir)/m4/eealloc.m4 $(top_srcdir)/m4/eoverflow.m4 \
-	$(top_srcdir)/m4/error.m4 $(top_srcdir)/m4/euidaccess-stat.m4 \
+	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/double-slash-root.m4 \
+	$(top_srcdir)/m4/dup2.m4 $(top_srcdir)/m4/eealloc.m4 \
+	$(top_srcdir)/m4/eoverflow.m4 $(top_srcdir)/m4/error.m4 \
+	$(top_srcdir)/m4/euidaccess-stat.m4 \
 	$(top_srcdir)/m4/euidaccess.m4 $(top_srcdir)/m4/exclude.m4 \
 	$(top_srcdir)/m4/exitfail.m4 $(top_srcdir)/m4/extensions.m4 \
 	$(top_srcdir)/m4/fcntl-safer.m4 $(top_srcdir)/m4/fd-reopen.m4 \
diff --git a/tests/misc/Makefile.in b/tests/misc/Makefile.in
index 3a15a738b..1fd8c788d 100644
--- a/tests/misc/Makefile.in
+++ b/tests/misc/Makefile.in
@@ -54,9 +54,10 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/acl.m4 $(top_srcdir)/m4/afs.m4 \
 	$(top_srcdir)/m4/cycle-check.m4 $(top_srcdir)/m4/d-ino.m4 \
 	$(top_srcdir)/m4/d-type.m4 $(top_srcdir)/m4/diacrit.m4 \
 	$(top_srcdir)/m4/dirfd.m4 $(top_srcdir)/m4/dirname.m4 \
-	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/dup2.m4 \
-	$(top_srcdir)/m4/eealloc.m4 $(top_srcdir)/m4/eoverflow.m4 \
-	$(top_srcdir)/m4/error.m4 $(top_srcdir)/m4/euidaccess-stat.m4 \
+	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/double-slash-root.m4 \
+	$(top_srcdir)/m4/dup2.m4 $(top_srcdir)/m4/eealloc.m4 \
+	$(top_srcdir)/m4/eoverflow.m4 $(top_srcdir)/m4/error.m4 \
+	$(top_srcdir)/m4/euidaccess-stat.m4 \
 	$(top_srcdir)/m4/euidaccess.m4 $(top_srcdir)/m4/exclude.m4 \
 	$(top_srcdir)/m4/exitfail.m4 $(top_srcdir)/m4/extensions.m4 \
 	$(top_srcdir)/m4/fcntl-safer.m4 $(top_srcdir)/m4/fd-reopen.m4 \
@@ -316,30 +317,41 @@ TESTS_ENVIRONMENT = \
 
 TESTS = \
   base64 \
-  test \
-  mknod \
-  stat-printf \
-  stat-fmt \
-  sort-rand \
-  sha224sum \
-  sha256sum \
-  sha384sum \
-  sha512sum \
-  date \
-  tac-continue \
+  basename \
   close-stdout \
-  pwd \
+  csplit \
+  date \
   date-sec \
-  paste-no-nl \
+  dirname \
   expand \
+  false \
   fold \
-  nohup \
+  head-c \
   head-elide-tail \
-  split-fail \
-  false \
-  tty-eof \
+  head-pos \
+  mknod \
+  nice \
+  nl \
+  nohup \
+  paste-no-nl \
+  pathchk1 \
+  printf \
   printf-hex \
-  nl split-l printf split-a head-pos sort head-c csplit nice pathchk1
+  pwd \
+  sha224sum \
+  sha256sum \
+  sha384sum \
+  sha512sum \
+  sort \
+  sort-rand \
+  split-a \
+  split-fail \
+  split-l \
+  stat-fmt \
+  stat-printf \
+  tac-continue \
+  test \
+  tty-eof
 
 all: all-am
 
diff --git a/tests/mkdir/Makefile.in b/tests/mkdir/Makefile.in
index 8bf553453..07178a437 100644
--- a/tests/mkdir/Makefile.in
+++ b/tests/mkdir/Makefile.in
@@ -54,9 +54,10 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/acl.m4 $(top_srcdir)/m4/afs.m4 \
 	$(top_srcdir)/m4/cycle-check.m4 $(top_srcdir)/m4/d-ino.m4 \
 	$(top_srcdir)/m4/d-type.m4 $(top_srcdir)/m4/diacrit.m4 \
 	$(top_srcdir)/m4/dirfd.m4 $(top_srcdir)/m4/dirname.m4 \
-	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/dup2.m4 \
-	$(top_srcdir)/m4/eealloc.m4 $(top_srcdir)/m4/eoverflow.m4 \
-	$(top_srcdir)/m4/error.m4 $(top_srcdir)/m4/euidaccess-stat.m4 \
+	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/double-slash-root.m4 \
+	$(top_srcdir)/m4/dup2.m4 $(top_srcdir)/m4/eealloc.m4 \
+	$(top_srcdir)/m4/eoverflow.m4 $(top_srcdir)/m4/error.m4 \
+	$(top_srcdir)/m4/euidaccess-stat.m4 \
 	$(top_srcdir)/m4/euidaccess.m4 $(top_srcdir)/m4/exclude.m4 \
 	$(top_srcdir)/m4/exitfail.m4 $(top_srcdir)/m4/extensions.m4 \
 	$(top_srcdir)/m4/fcntl-safer.m4 $(top_srcdir)/m4/fd-reopen.m4 \
diff --git a/tests/mv/Makefile.in b/tests/mv/Makefile.in
index 80857a8a2..9fcc68eed 100644
--- a/tests/mv/Makefile.in
+++ b/tests/mv/Makefile.in
@@ -54,9 +54,10 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/acl.m4 $(top_srcdir)/m4/afs.m4 \
 	$(top_srcdir)/m4/cycle-check.m4 $(top_srcdir)/m4/d-ino.m4 \
 	$(top_srcdir)/m4/d-type.m4 $(top_srcdir)/m4/diacrit.m4 \
 	$(top_srcdir)/m4/dirfd.m4 $(top_srcdir)/m4/dirname.m4 \
-	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/dup2.m4 \
-	$(top_srcdir)/m4/eealloc.m4 $(top_srcdir)/m4/eoverflow.m4 \
-	$(top_srcdir)/m4/error.m4 $(top_srcdir)/m4/euidaccess-stat.m4 \
+	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/double-slash-root.m4 \
+	$(top_srcdir)/m4/dup2.m4 $(top_srcdir)/m4/eealloc.m4 \
+	$(top_srcdir)/m4/eoverflow.m4 $(top_srcdir)/m4/error.m4 \
+	$(top_srcdir)/m4/euidaccess-stat.m4 \
 	$(top_srcdir)/m4/euidaccess.m4 $(top_srcdir)/m4/exclude.m4 \
 	$(top_srcdir)/m4/exitfail.m4 $(top_srcdir)/m4/extensions.m4 \
 	$(top_srcdir)/m4/fcntl-safer.m4 $(top_srcdir)/m4/fd-reopen.m4 \
diff --git a/tests/od/Makefile.in b/tests/od/Makefile.in
index 8f79bf766..4f8258388 100644
--- a/tests/od/Makefile.in
+++ b/tests/od/Makefile.in
@@ -54,9 +54,10 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/acl.m4 $(top_srcdir)/m4/afs.m4 \
 	$(top_srcdir)/m4/cycle-check.m4 $(top_srcdir)/m4/d-ino.m4 \
 	$(top_srcdir)/m4/d-type.m4 $(top_srcdir)/m4/diacrit.m4 \
 	$(top_srcdir)/m4/dirfd.m4 $(top_srcdir)/m4/dirname.m4 \
-	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/dup2.m4 \
-	$(top_srcdir)/m4/eealloc.m4 $(top_srcdir)/m4/eoverflow.m4 \
-	$(top_srcdir)/m4/error.m4 $(top_srcdir)/m4/euidaccess-stat.m4 \
+	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/double-slash-root.m4 \
+	$(top_srcdir)/m4/dup2.m4 $(top_srcdir)/m4/eealloc.m4 \
+	$(top_srcdir)/m4/eoverflow.m4 $(top_srcdir)/m4/error.m4 \
+	$(top_srcdir)/m4/euidaccess-stat.m4 \
 	$(top_srcdir)/m4/euidaccess.m4 $(top_srcdir)/m4/exclude.m4 \
 	$(top_srcdir)/m4/exitfail.m4 $(top_srcdir)/m4/extensions.m4 \
 	$(top_srcdir)/m4/fcntl-safer.m4 $(top_srcdir)/m4/fd-reopen.m4 \
diff --git a/tests/pr/Makefile.in b/tests/pr/Makefile.in
index bea354648..9fa6ab29a 100644
--- a/tests/pr/Makefile.in
+++ b/tests/pr/Makefile.in
@@ -55,9 +55,10 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/acl.m4 $(top_srcdir)/m4/afs.m4 \
 	$(top_srcdir)/m4/cycle-check.m4 $(top_srcdir)/m4/d-ino.m4 \
 	$(top_srcdir)/m4/d-type.m4 $(top_srcdir)/m4/diacrit.m4 \
 	$(top_srcdir)/m4/dirfd.m4 $(top_srcdir)/m4/dirname.m4 \
-	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/dup2.m4 \
-	$(top_srcdir)/m4/eealloc.m4 $(top_srcdir)/m4/eoverflow.m4 \
-	$(top_srcdir)/m4/error.m4 $(top_srcdir)/m4/euidaccess-stat.m4 \
+	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/double-slash-root.m4 \
+	$(top_srcdir)/m4/dup2.m4 $(top_srcdir)/m4/eealloc.m4 \
+	$(top_srcdir)/m4/eoverflow.m4 $(top_srcdir)/m4/error.m4 \
+	$(top_srcdir)/m4/euidaccess-stat.m4 \
 	$(top_srcdir)/m4/euidaccess.m4 $(top_srcdir)/m4/exclude.m4 \
 	$(top_srcdir)/m4/exitfail.m4 $(top_srcdir)/m4/extensions.m4 \
 	$(top_srcdir)/m4/fcntl-safer.m4 $(top_srcdir)/m4/fd-reopen.m4 \
diff --git a/tests/readlink/Makefile.in b/tests/readlink/Makefile.in
index cd487a0bf..b7fd3e0fe 100644
--- a/tests/readlink/Makefile.in
+++ b/tests/readlink/Makefile.in
@@ -54,9 +54,10 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/acl.m4 $(top_srcdir)/m4/afs.m4 \
 	$(top_srcdir)/m4/cycle-check.m4 $(top_srcdir)/m4/d-ino.m4 \
 	$(top_srcdir)/m4/d-type.m4 $(top_srcdir)/m4/diacrit.m4 \
 	$(top_srcdir)/m4/dirfd.m4 $(top_srcdir)/m4/dirname.m4 \
-	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/dup2.m4 \
-	$(top_srcdir)/m4/eealloc.m4 $(top_srcdir)/m4/eoverflow.m4 \
-	$(top_srcdir)/m4/error.m4 $(top_srcdir)/m4/euidaccess-stat.m4 \
+	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/double-slash-root.m4 \
+	$(top_srcdir)/m4/dup2.m4 $(top_srcdir)/m4/eealloc.m4 \
+	$(top_srcdir)/m4/eoverflow.m4 $(top_srcdir)/m4/error.m4 \
+	$(top_srcdir)/m4/euidaccess-stat.m4 \
 	$(top_srcdir)/m4/euidaccess.m4 $(top_srcdir)/m4/exclude.m4 \
 	$(top_srcdir)/m4/exitfail.m4 $(top_srcdir)/m4/extensions.m4 \
 	$(top_srcdir)/m4/fcntl-safer.m4 $(top_srcdir)/m4/fd-reopen.m4 \
diff --git a/tests/rm/Makefile.in b/tests/rm/Makefile.in
index 1be77c31e..877dbab36 100644
--- a/tests/rm/Makefile.in
+++ b/tests/rm/Makefile.in
@@ -54,9 +54,10 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/acl.m4 $(top_srcdir)/m4/afs.m4 \
 	$(top_srcdir)/m4/cycle-check.m4 $(top_srcdir)/m4/d-ino.m4 \
 	$(top_srcdir)/m4/d-type.m4 $(top_srcdir)/m4/diacrit.m4 \
 	$(top_srcdir)/m4/dirfd.m4 $(top_srcdir)/m4/dirname.m4 \
-	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/dup2.m4 \
-	$(top_srcdir)/m4/eealloc.m4 $(top_srcdir)/m4/eoverflow.m4 \
-	$(top_srcdir)/m4/error.m4 $(top_srcdir)/m4/euidaccess-stat.m4 \
+	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/double-slash-root.m4 \
+	$(top_srcdir)/m4/dup2.m4 $(top_srcdir)/m4/eealloc.m4 \
+	$(top_srcdir)/m4/eoverflow.m4 $(top_srcdir)/m4/error.m4 \
+	$(top_srcdir)/m4/euidaccess-stat.m4 \
 	$(top_srcdir)/m4/euidaccess.m4 $(top_srcdir)/m4/exclude.m4 \
 	$(top_srcdir)/m4/exitfail.m4 $(top_srcdir)/m4/extensions.m4 \
 	$(top_srcdir)/m4/fcntl-safer.m4 $(top_srcdir)/m4/fd-reopen.m4 \
diff --git a/tests/rmdir/Makefile.in b/tests/rmdir/Makefile.in
index edd8a0276..a474ac4f4 100644
--- a/tests/rmdir/Makefile.in
+++ b/tests/rmdir/Makefile.in
@@ -54,9 +54,10 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/acl.m4 $(top_srcdir)/m4/afs.m4 \
 	$(top_srcdir)/m4/cycle-check.m4 $(top_srcdir)/m4/d-ino.m4 \
 	$(top_srcdir)/m4/d-type.m4 $(top_srcdir)/m4/diacrit.m4 \
 	$(top_srcdir)/m4/dirfd.m4 $(top_srcdir)/m4/dirname.m4 \
-	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/dup2.m4 \
-	$(top_srcdir)/m4/eealloc.m4 $(top_srcdir)/m4/eoverflow.m4 \
-	$(top_srcdir)/m4/error.m4 $(top_srcdir)/m4/euidaccess-stat.m4 \
+	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/double-slash-root.m4 \
+	$(top_srcdir)/m4/dup2.m4 $(top_srcdir)/m4/eealloc.m4 \
+	$(top_srcdir)/m4/eoverflow.m4 $(top_srcdir)/m4/error.m4 \
+	$(top_srcdir)/m4/euidaccess-stat.m4 \
 	$(top_srcdir)/m4/euidaccess.m4 $(top_srcdir)/m4/exclude.m4 \
 	$(top_srcdir)/m4/exitfail.m4 $(top_srcdir)/m4/extensions.m4 \
 	$(top_srcdir)/m4/fcntl-safer.m4 $(top_srcdir)/m4/fd-reopen.m4 \
diff --git a/tests/seq/Makefile.in b/tests/seq/Makefile.in
index f30bfae3c..214265cb9 100644
--- a/tests/seq/Makefile.in
+++ b/tests/seq/Makefile.in
@@ -54,9 +54,10 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/acl.m4 $(top_srcdir)/m4/afs.m4 \
 	$(top_srcdir)/m4/cycle-check.m4 $(top_srcdir)/m4/d-ino.m4 \
 	$(top_srcdir)/m4/d-type.m4 $(top_srcdir)/m4/diacrit.m4 \
 	$(top_srcdir)/m4/dirfd.m4 $(top_srcdir)/m4/dirname.m4 \
-	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/dup2.m4 \
-	$(top_srcdir)/m4/eealloc.m4 $(top_srcdir)/m4/eoverflow.m4 \
-	$(top_srcdir)/m4/error.m4 $(top_srcdir)/m4/euidaccess-stat.m4 \
+	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/double-slash-root.m4 \
+	$(top_srcdir)/m4/dup2.m4 $(top_srcdir)/m4/eealloc.m4 \
+	$(top_srcdir)/m4/eoverflow.m4 $(top_srcdir)/m4/error.m4 \
+	$(top_srcdir)/m4/euidaccess-stat.m4 \
 	$(top_srcdir)/m4/euidaccess.m4 $(top_srcdir)/m4/exclude.m4 \
 	$(top_srcdir)/m4/exitfail.m4 $(top_srcdir)/m4/extensions.m4 \
 	$(top_srcdir)/m4/fcntl-safer.m4 $(top_srcdir)/m4/fd-reopen.m4 \
diff --git a/tests/sha1sum/Makefile.in b/tests/sha1sum/Makefile.in
index 12acd1921..bbbd79130 100644
--- a/tests/sha1sum/Makefile.in
+++ b/tests/sha1sum/Makefile.in
@@ -54,9 +54,10 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/acl.m4 $(top_srcdir)/m4/afs.m4 \
 	$(top_srcdir)/m4/cycle-check.m4 $(top_srcdir)/m4/d-ino.m4 \
 	$(top_srcdir)/m4/d-type.m4 $(top_srcdir)/m4/diacrit.m4 \
 	$(top_srcdir)/m4/dirfd.m4 $(top_srcdir)/m4/dirname.m4 \
-	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/dup2.m4 \
-	$(top_srcdir)/m4/eealloc.m4 $(top_srcdir)/m4/eoverflow.m4 \
-	$(top_srcdir)/m4/error.m4 $(top_srcdir)/m4/euidaccess-stat.m4 \
+	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/double-slash-root.m4 \
+	$(top_srcdir)/m4/dup2.m4 $(top_srcdir)/m4/eealloc.m4 \
+	$(top_srcdir)/m4/eoverflow.m4 $(top_srcdir)/m4/error.m4 \
+	$(top_srcdir)/m4/euidaccess-stat.m4 \
 	$(top_srcdir)/m4/euidaccess.m4 $(top_srcdir)/m4/exclude.m4 \
 	$(top_srcdir)/m4/exitfail.m4 $(top_srcdir)/m4/extensions.m4 \
 	$(top_srcdir)/m4/fcntl-safer.m4 $(top_srcdir)/m4/fd-reopen.m4 \
diff --git a/tests/shred/Makefile.in b/tests/shred/Makefile.in
index 4cc463e55..896885917 100644
--- a/tests/shred/Makefile.in
+++ b/tests/shred/Makefile.in
@@ -54,9 +54,10 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/acl.m4 $(top_srcdir)/m4/afs.m4 \
 	$(top_srcdir)/m4/cycle-check.m4 $(top_srcdir)/m4/d-ino.m4 \
 	$(top_srcdir)/m4/d-type.m4 $(top_srcdir)/m4/diacrit.m4 \
 	$(top_srcdir)/m4/dirfd.m4 $(top_srcdir)/m4/dirname.m4 \
-	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/dup2.m4 \
-	$(top_srcdir)/m4/eealloc.m4 $(top_srcdir)/m4/eoverflow.m4 \
-	$(top_srcdir)/m4/error.m4 $(top_srcdir)/m4/euidaccess-stat.m4 \
+	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/double-slash-root.m4 \
+	$(top_srcdir)/m4/dup2.m4 $(top_srcdir)/m4/eealloc.m4 \
+	$(top_srcdir)/m4/eoverflow.m4 $(top_srcdir)/m4/error.m4 \
+	$(top_srcdir)/m4/euidaccess-stat.m4 \
 	$(top_srcdir)/m4/euidaccess.m4 $(top_srcdir)/m4/exclude.m4 \
 	$(top_srcdir)/m4/exitfail.m4 $(top_srcdir)/m4/extensions.m4 \
 	$(top_srcdir)/m4/fcntl-safer.m4 $(top_srcdir)/m4/fd-reopen.m4 \
diff --git a/tests/sort/Makefile.in b/tests/sort/Makefile.in
index dcf467711..c8549f7e8 100644
--- a/tests/sort/Makefile.in
+++ b/tests/sort/Makefile.in
@@ -55,9 +55,10 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/acl.m4 $(top_srcdir)/m4/afs.m4 \
 	$(top_srcdir)/m4/cycle-check.m4 $(top_srcdir)/m4/d-ino.m4 \
 	$(top_srcdir)/m4/d-type.m4 $(top_srcdir)/m4/diacrit.m4 \
 	$(top_srcdir)/m4/dirfd.m4 $(top_srcdir)/m4/dirname.m4 \
-	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/dup2.m4 \
-	$(top_srcdir)/m4/eealloc.m4 $(top_srcdir)/m4/eoverflow.m4 \
-	$(top_srcdir)/m4/error.m4 $(top_srcdir)/m4/euidaccess-stat.m4 \
+	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/double-slash-root.m4 \
+	$(top_srcdir)/m4/dup2.m4 $(top_srcdir)/m4/eealloc.m4 \
+	$(top_srcdir)/m4/eoverflow.m4 $(top_srcdir)/m4/error.m4 \
+	$(top_srcdir)/m4/euidaccess-stat.m4 \
 	$(top_srcdir)/m4/euidaccess.m4 $(top_srcdir)/m4/exclude.m4 \
 	$(top_srcdir)/m4/exitfail.m4 $(top_srcdir)/m4/extensions.m4 \
 	$(top_srcdir)/m4/fcntl-safer.m4 $(top_srcdir)/m4/fd-reopen.m4 \
diff --git a/tests/stty/Makefile.in b/tests/stty/Makefile.in
index 86aff01f5..4710b264e 100644
--- a/tests/stty/Makefile.in
+++ b/tests/stty/Makefile.in
@@ -54,9 +54,10 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/acl.m4 $(top_srcdir)/m4/afs.m4 \
 	$(top_srcdir)/m4/cycle-check.m4 $(top_srcdir)/m4/d-ino.m4 \
 	$(top_srcdir)/m4/d-type.m4 $(top_srcdir)/m4/diacrit.m4 \
 	$(top_srcdir)/m4/dirfd.m4 $(top_srcdir)/m4/dirname.m4 \
-	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/dup2.m4 \
-	$(top_srcdir)/m4/eealloc.m4 $(top_srcdir)/m4/eoverflow.m4 \
-	$(top_srcdir)/m4/error.m4 $(top_srcdir)/m4/euidaccess-stat.m4 \
+	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/double-slash-root.m4 \
+	$(top_srcdir)/m4/dup2.m4 $(top_srcdir)/m4/eealloc.m4 \
+	$(top_srcdir)/m4/eoverflow.m4 $(top_srcdir)/m4/error.m4 \
+	$(top_srcdir)/m4/euidaccess-stat.m4 \
 	$(top_srcdir)/m4/euidaccess.m4 $(top_srcdir)/m4/exclude.m4 \
 	$(top_srcdir)/m4/exitfail.m4 $(top_srcdir)/m4/extensions.m4 \
 	$(top_srcdir)/m4/fcntl-safer.m4 $(top_srcdir)/m4/fd-reopen.m4 \
diff --git a/tests/sum/Makefile.in b/tests/sum/Makefile.in
index 96c674a59..a4b9ec486 100644
--- a/tests/sum/Makefile.in
+++ b/tests/sum/Makefile.in
@@ -54,9 +54,10 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/acl.m4 $(top_srcdir)/m4/afs.m4 \
 	$(top_srcdir)/m4/cycle-check.m4 $(top_srcdir)/m4/d-ino.m4 \
 	$(top_srcdir)/m4/d-type.m4 $(top_srcdir)/m4/diacrit.m4 \
 	$(top_srcdir)/m4/dirfd.m4 $(top_srcdir)/m4/dirname.m4 \
-	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/dup2.m4 \
-	$(top_srcdir)/m4/eealloc.m4 $(top_srcdir)/m4/eoverflow.m4 \
-	$(top_srcdir)/m4/error.m4 $(top_srcdir)/m4/euidaccess-stat.m4 \
+	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/double-slash-root.m4 \
+	$(top_srcdir)/m4/dup2.m4 $(top_srcdir)/m4/eealloc.m4 \
+	$(top_srcdir)/m4/eoverflow.m4 $(top_srcdir)/m4/error.m4 \
+	$(top_srcdir)/m4/euidaccess-stat.m4 \
 	$(top_srcdir)/m4/euidaccess.m4 $(top_srcdir)/m4/exclude.m4 \
 	$(top_srcdir)/m4/exitfail.m4 $(top_srcdir)/m4/extensions.m4 \
 	$(top_srcdir)/m4/fcntl-safer.m4 $(top_srcdir)/m4/fd-reopen.m4 \
diff --git a/tests/tac/Makefile.in b/tests/tac/Makefile.in
index 4edf1dba5..a65dc4dad 100644
--- a/tests/tac/Makefile.in
+++ b/tests/tac/Makefile.in
@@ -55,9 +55,10 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/acl.m4 $(top_srcdir)/m4/afs.m4 \
 	$(top_srcdir)/m4/cycle-check.m4 $(top_srcdir)/m4/d-ino.m4 \
 	$(top_srcdir)/m4/d-type.m4 $(top_srcdir)/m4/diacrit.m4 \
 	$(top_srcdir)/m4/dirfd.m4 $(top_srcdir)/m4/dirname.m4 \
-	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/dup2.m4 \
-	$(top_srcdir)/m4/eealloc.m4 $(top_srcdir)/m4/eoverflow.m4 \
-	$(top_srcdir)/m4/error.m4 $(top_srcdir)/m4/euidaccess-stat.m4 \
+	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/double-slash-root.m4 \
+	$(top_srcdir)/m4/dup2.m4 $(top_srcdir)/m4/eealloc.m4 \
+	$(top_srcdir)/m4/eoverflow.m4 $(top_srcdir)/m4/error.m4 \
+	$(top_srcdir)/m4/euidaccess-stat.m4 \
 	$(top_srcdir)/m4/euidaccess.m4 $(top_srcdir)/m4/exclude.m4 \
 	$(top_srcdir)/m4/exitfail.m4 $(top_srcdir)/m4/extensions.m4 \
 	$(top_srcdir)/m4/fcntl-safer.m4 $(top_srcdir)/m4/fd-reopen.m4 \
diff --git a/tests/tail-2/Makefile.in b/tests/tail-2/Makefile.in
index 856c7db9f..6f0bc333c 100644
--- a/tests/tail-2/Makefile.in
+++ b/tests/tail-2/Makefile.in
@@ -54,9 +54,10 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/acl.m4 $(top_srcdir)/m4/afs.m4 \
 	$(top_srcdir)/m4/cycle-check.m4 $(top_srcdir)/m4/d-ino.m4 \
 	$(top_srcdir)/m4/d-type.m4 $(top_srcdir)/m4/diacrit.m4 \
 	$(top_srcdir)/m4/dirfd.m4 $(top_srcdir)/m4/dirname.m4 \
-	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/dup2.m4 \
-	$(top_srcdir)/m4/eealloc.m4 $(top_srcdir)/m4/eoverflow.m4 \
-	$(top_srcdir)/m4/error.m4 $(top_srcdir)/m4/euidaccess-stat.m4 \
+	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/double-slash-root.m4 \
+	$(top_srcdir)/m4/dup2.m4 $(top_srcdir)/m4/eealloc.m4 \
+	$(top_srcdir)/m4/eoverflow.m4 $(top_srcdir)/m4/error.m4 \
+	$(top_srcdir)/m4/euidaccess-stat.m4 \
 	$(top_srcdir)/m4/euidaccess.m4 $(top_srcdir)/m4/exclude.m4 \
 	$(top_srcdir)/m4/exitfail.m4 $(top_srcdir)/m4/extensions.m4 \
 	$(top_srcdir)/m4/fcntl-safer.m4 $(top_srcdir)/m4/fd-reopen.m4 \
diff --git a/tests/tail/Makefile.in b/tests/tail/Makefile.in
index 3af4456ff..6abf485cf 100644
--- a/tests/tail/Makefile.in
+++ b/tests/tail/Makefile.in
@@ -55,9 +55,10 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/acl.m4 $(top_srcdir)/m4/afs.m4 \
 	$(top_srcdir)/m4/cycle-check.m4 $(top_srcdir)/m4/d-ino.m4 \
 	$(top_srcdir)/m4/d-type.m4 $(top_srcdir)/m4/diacrit.m4 \
 	$(top_srcdir)/m4/dirfd.m4 $(top_srcdir)/m4/dirname.m4 \
-	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/dup2.m4 \
-	$(top_srcdir)/m4/eealloc.m4 $(top_srcdir)/m4/eoverflow.m4 \
-	$(top_srcdir)/m4/error.m4 $(top_srcdir)/m4/euidaccess-stat.m4 \
+	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/double-slash-root.m4 \
+	$(top_srcdir)/m4/dup2.m4 $(top_srcdir)/m4/eealloc.m4 \
+	$(top_srcdir)/m4/eoverflow.m4 $(top_srcdir)/m4/error.m4 \
+	$(top_srcdir)/m4/euidaccess-stat.m4 \
 	$(top_srcdir)/m4/euidaccess.m4 $(top_srcdir)/m4/exclude.m4 \
 	$(top_srcdir)/m4/exitfail.m4 $(top_srcdir)/m4/extensions.m4 \
 	$(top_srcdir)/m4/fcntl-safer.m4 $(top_srcdir)/m4/fd-reopen.m4 \
diff --git a/tests/tee/Makefile.in b/tests/tee/Makefile.in
index fd677d76a..b54854992 100644
--- a/tests/tee/Makefile.in
+++ b/tests/tee/Makefile.in
@@ -54,9 +54,10 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/acl.m4 $(top_srcdir)/m4/afs.m4 \
 	$(top_srcdir)/m4/cycle-check.m4 $(top_srcdir)/m4/d-ino.m4 \
 	$(top_srcdir)/m4/d-type.m4 $(top_srcdir)/m4/diacrit.m4 \
 	$(top_srcdir)/m4/dirfd.m4 $(top_srcdir)/m4/dirname.m4 \
-	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/dup2.m4 \
-	$(top_srcdir)/m4/eealloc.m4 $(top_srcdir)/m4/eoverflow.m4 \
-	$(top_srcdir)/m4/error.m4 $(top_srcdir)/m4/euidaccess-stat.m4 \
+	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/double-slash-root.m4 \
+	$(top_srcdir)/m4/dup2.m4 $(top_srcdir)/m4/eealloc.m4 \
+	$(top_srcdir)/m4/eoverflow.m4 $(top_srcdir)/m4/error.m4 \
+	$(top_srcdir)/m4/euidaccess-stat.m4 \
 	$(top_srcdir)/m4/euidaccess.m4 $(top_srcdir)/m4/exclude.m4 \
 	$(top_srcdir)/m4/exitfail.m4 $(top_srcdir)/m4/extensions.m4 \
 	$(top_srcdir)/m4/fcntl-safer.m4 $(top_srcdir)/m4/fd-reopen.m4 \
diff --git a/tests/test/Makefile.in b/tests/test/Makefile.in
index 3610fefd9..8208c4ed1 100644
--- a/tests/test/Makefile.in
+++ b/tests/test/Makefile.in
@@ -55,9 +55,10 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/acl.m4 $(top_srcdir)/m4/afs.m4 \
 	$(top_srcdir)/m4/cycle-check.m4 $(top_srcdir)/m4/d-ino.m4 \
 	$(top_srcdir)/m4/d-type.m4 $(top_srcdir)/m4/diacrit.m4 \
 	$(top_srcdir)/m4/dirfd.m4 $(top_srcdir)/m4/dirname.m4 \
-	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/dup2.m4 \
-	$(top_srcdir)/m4/eealloc.m4 $(top_srcdir)/m4/eoverflow.m4 \
-	$(top_srcdir)/m4/error.m4 $(top_srcdir)/m4/euidaccess-stat.m4 \
+	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/double-slash-root.m4 \
+	$(top_srcdir)/m4/dup2.m4 $(top_srcdir)/m4/eealloc.m4 \
+	$(top_srcdir)/m4/eoverflow.m4 $(top_srcdir)/m4/error.m4 \
+	$(top_srcdir)/m4/euidaccess-stat.m4 \
 	$(top_srcdir)/m4/euidaccess.m4 $(top_srcdir)/m4/exclude.m4 \
 	$(top_srcdir)/m4/exitfail.m4 $(top_srcdir)/m4/extensions.m4 \
 	$(top_srcdir)/m4/fcntl-safer.m4 $(top_srcdir)/m4/fd-reopen.m4 \
diff --git a/tests/touch/Makefile.in b/tests/touch/Makefile.in
index a6ccccb41..52d1cf0ad 100644
--- a/tests/touch/Makefile.in
+++ b/tests/touch/Makefile.in
@@ -54,9 +54,10 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/acl.m4 $(top_srcdir)/m4/afs.m4 \
 	$(top_srcdir)/m4/cycle-check.m4 $(top_srcdir)/m4/d-ino.m4 \
 	$(top_srcdir)/m4/d-type.m4 $(top_srcdir)/m4/diacrit.m4 \
 	$(top_srcdir)/m4/dirfd.m4 $(top_srcdir)/m4/dirname.m4 \
-	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/dup2.m4 \
-	$(top_srcdir)/m4/eealloc.m4 $(top_srcdir)/m4/eoverflow.m4 \
-	$(top_srcdir)/m4/error.m4 $(top_srcdir)/m4/euidaccess-stat.m4 \
+	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/double-slash-root.m4 \
+	$(top_srcdir)/m4/dup2.m4 $(top_srcdir)/m4/eealloc.m4 \
+	$(top_srcdir)/m4/eoverflow.m4 $(top_srcdir)/m4/error.m4 \
+	$(top_srcdir)/m4/euidaccess-stat.m4 \
 	$(top_srcdir)/m4/euidaccess.m4 $(top_srcdir)/m4/exclude.m4 \
 	$(top_srcdir)/m4/exitfail.m4 $(top_srcdir)/m4/extensions.m4 \
 	$(top_srcdir)/m4/fcntl-safer.m4 $(top_srcdir)/m4/fd-reopen.m4 \
diff --git a/tests/tr/Makefile.in b/tests/tr/Makefile.in
index 38f9f1689..dad713cbd 100644
--- a/tests/tr/Makefile.in
+++ b/tests/tr/Makefile.in
@@ -55,9 +55,10 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/acl.m4 $(top_srcdir)/m4/afs.m4 \
 	$(top_srcdir)/m4/cycle-check.m4 $(top_srcdir)/m4/d-ino.m4 \
 	$(top_srcdir)/m4/d-type.m4 $(top_srcdir)/m4/diacrit.m4 \
 	$(top_srcdir)/m4/dirfd.m4 $(top_srcdir)/m4/dirname.m4 \
-	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/dup2.m4 \
-	$(top_srcdir)/m4/eealloc.m4 $(top_srcdir)/m4/eoverflow.m4 \
-	$(top_srcdir)/m4/error.m4 $(top_srcdir)/m4/euidaccess-stat.m4 \
+	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/double-slash-root.m4 \
+	$(top_srcdir)/m4/dup2.m4 $(top_srcdir)/m4/eealloc.m4 \
+	$(top_srcdir)/m4/eoverflow.m4 $(top_srcdir)/m4/error.m4 \
+	$(top_srcdir)/m4/euidaccess-stat.m4 \
 	$(top_srcdir)/m4/euidaccess.m4 $(top_srcdir)/m4/exclude.m4 \
 	$(top_srcdir)/m4/exitfail.m4 $(top_srcdir)/m4/extensions.m4 \
 	$(top_srcdir)/m4/fcntl-safer.m4 $(top_srcdir)/m4/fd-reopen.m4 \
diff --git a/tests/tsort/Makefile.in b/tests/tsort/Makefile.in
index 25b72c992..6820ab7f1 100644
--- a/tests/tsort/Makefile.in
+++ b/tests/tsort/Makefile.in
@@ -54,9 +54,10 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/acl.m4 $(top_srcdir)/m4/afs.m4 \
 	$(top_srcdir)/m4/cycle-check.m4 $(top_srcdir)/m4/d-ino.m4 \
 	$(top_srcdir)/m4/d-type.m4 $(top_srcdir)/m4/diacrit.m4 \
 	$(top_srcdir)/m4/dirfd.m4 $(top_srcdir)/m4/dirname.m4 \
-	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/dup2.m4 \
-	$(top_srcdir)/m4/eealloc.m4 $(top_srcdir)/m4/eoverflow.m4 \
-	$(top_srcdir)/m4/error.m4 $(top_srcdir)/m4/euidaccess-stat.m4 \
+	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/double-slash-root.m4 \
+	$(top_srcdir)/m4/dup2.m4 $(top_srcdir)/m4/eealloc.m4 \
+	$(top_srcdir)/m4/eoverflow.m4 $(top_srcdir)/m4/error.m4 \
+	$(top_srcdir)/m4/euidaccess-stat.m4 \
 	$(top_srcdir)/m4/euidaccess.m4 $(top_srcdir)/m4/exclude.m4 \
 	$(top_srcdir)/m4/exitfail.m4 $(top_srcdir)/m4/extensions.m4 \
 	$(top_srcdir)/m4/fcntl-safer.m4 $(top_srcdir)/m4/fd-reopen.m4 \
diff --git a/tests/unexpand/Makefile.in b/tests/unexpand/Makefile.in
index 7476256bb..673181152 100644
--- a/tests/unexpand/Makefile.in
+++ b/tests/unexpand/Makefile.in
@@ -54,9 +54,10 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/acl.m4 $(top_srcdir)/m4/afs.m4 \
 	$(top_srcdir)/m4/cycle-check.m4 $(top_srcdir)/m4/d-ino.m4 \
 	$(top_srcdir)/m4/d-type.m4 $(top_srcdir)/m4/diacrit.m4 \
 	$(top_srcdir)/m4/dirfd.m4 $(top_srcdir)/m4/dirname.m4 \
-	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/dup2.m4 \
-	$(top_srcdir)/m4/eealloc.m4 $(top_srcdir)/m4/eoverflow.m4 \
-	$(top_srcdir)/m4/error.m4 $(top_srcdir)/m4/euidaccess-stat.m4 \
+	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/double-slash-root.m4 \
+	$(top_srcdir)/m4/dup2.m4 $(top_srcdir)/m4/eealloc.m4 \
+	$(top_srcdir)/m4/eoverflow.m4 $(top_srcdir)/m4/error.m4 \
+	$(top_srcdir)/m4/euidaccess-stat.m4 \
 	$(top_srcdir)/m4/euidaccess.m4 $(top_srcdir)/m4/exclude.m4 \
 	$(top_srcdir)/m4/exitfail.m4 $(top_srcdir)/m4/extensions.m4 \
 	$(top_srcdir)/m4/fcntl-safer.m4 $(top_srcdir)/m4/fd-reopen.m4 \
diff --git a/tests/uniq/Makefile.in b/tests/uniq/Makefile.in
index bb0453d4a..654495b9a 100644
--- a/tests/uniq/Makefile.in
+++ b/tests/uniq/Makefile.in
@@ -55,9 +55,10 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/acl.m4 $(top_srcdir)/m4/afs.m4 \
 	$(top_srcdir)/m4/cycle-check.m4 $(top_srcdir)/m4/d-ino.m4 \
 	$(top_srcdir)/m4/d-type.m4 $(top_srcdir)/m4/diacrit.m4 \
 	$(top_srcdir)/m4/dirfd.m4 $(top_srcdir)/m4/dirname.m4 \
-	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/dup2.m4 \
-	$(top_srcdir)/m4/eealloc.m4 $(top_srcdir)/m4/eoverflow.m4 \
-	$(top_srcdir)/m4/error.m4 $(top_srcdir)/m4/euidaccess-stat.m4 \
+	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/double-slash-root.m4 \
+	$(top_srcdir)/m4/dup2.m4 $(top_srcdir)/m4/eealloc.m4 \
+	$(top_srcdir)/m4/eoverflow.m4 $(top_srcdir)/m4/error.m4 \
+	$(top_srcdir)/m4/euidaccess-stat.m4 \
 	$(top_srcdir)/m4/euidaccess.m4 $(top_srcdir)/m4/exclude.m4 \
 	$(top_srcdir)/m4/exitfail.m4 $(top_srcdir)/m4/extensions.m4 \
 	$(top_srcdir)/m4/fcntl-safer.m4 $(top_srcdir)/m4/fd-reopen.m4 \
diff --git a/tests/wc/Makefile.in b/tests/wc/Makefile.in
index 53388a162..7678d8bbe 100644
--- a/tests/wc/Makefile.in
+++ b/tests/wc/Makefile.in
@@ -55,9 +55,10 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/acl.m4 $(top_srcdir)/m4/afs.m4 \
 	$(top_srcdir)/m4/cycle-check.m4 $(top_srcdir)/m4/d-ino.m4 \
 	$(top_srcdir)/m4/d-type.m4 $(top_srcdir)/m4/diacrit.m4 \
 	$(top_srcdir)/m4/dirfd.m4 $(top_srcdir)/m4/dirname.m4 \
-	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/dup2.m4 \
-	$(top_srcdir)/m4/eealloc.m4 $(top_srcdir)/m4/eoverflow.m4 \
-	$(top_srcdir)/m4/error.m4 $(top_srcdir)/m4/euidaccess-stat.m4 \
+	$(top_srcdir)/m4/dos.m4 $(top_srcdir)/m4/double-slash-root.m4 \
+	$(top_srcdir)/m4/dup2.m4 $(top_srcdir)/m4/eealloc.m4 \
+	$(top_srcdir)/m4/eoverflow.m4 $(top_srcdir)/m4/error.m4 \
+	$(top_srcdir)/m4/euidaccess-stat.m4 \
 	$(top_srcdir)/m4/euidaccess.m4 $(top_srcdir)/m4/exclude.m4 \
 	$(top_srcdir)/m4/exitfail.m4 $(top_srcdir)/m4/extensions.m4 \
 	$(top_srcdir)/m4/fcntl-safer.m4 $(top_srcdir)/m4/fd-reopen.m4 \