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diff --git a/gnulib b/gnulib
deleted file mode 160000
-Subproject 443bc5ffcf7429e557f4a371b0661abe98ddbc1
diff --git a/gnulib/tests/test-memcasecmp.c b/gnulib/tests/test-memcasecmp.c
new file mode 100644
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--- /dev/null
+++ b/gnulib/tests/test-memcasecmp.c
@@ -0,0 +1,70 @@
+/*
+ * Copyright (C) 2008-2011 Free Software Foundation, Inc.
+ * Written by Simon Josefsson and Bruno Haible
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+#include <config.h>
+
+#include "memcasecmp.h"
+
+#include <string.h>
+
+#include "zerosize-ptr.h"
+#include "macros.h"
+
+int
+main (void)
+{
+  /* Test equal / not equal distinction.  */
+  ASSERT (memcasecmp (zerosize_ptr (), zerosize_ptr (), 0) == 0);
+  ASSERT (memcasecmp ("foo", "foobar", 2) == 0);
+  ASSERT (memcasecmp ("foo", "foobar", 3) == 0);
+  ASSERT (memcasecmp ("foo", "foobar", 4) != 0);
+  ASSERT (memcasecmp ("foo", "bar", 1) != 0);
+  ASSERT (memcasecmp ("foo", "bar", 3) != 0);
+
+  /* Test less / equal / greater distinction.  */
+  ASSERT (memcasecmp ("foo", "moo", 4) < 0);
+  ASSERT (memcasecmp ("moo", "foo", 4) > 0);
+  ASSERT (memcasecmp ("oomph", "oops", 3) < 0);
+  ASSERT (memcasecmp ("oops", "oomph", 3) > 0);
+  ASSERT (memcasecmp ("foo", "foobar", 4) < 0);
+  ASSERT (memcasecmp ("foobar", "foo", 4) > 0);
+
+  /* Test embedded NULs.  */
+  ASSERT (memcasecmp ("1\0", "2\0", 2) < 0);
+  ASSERT (memcasecmp ("2\0", "1\0", 2) > 0);
+  ASSERT (memcasecmp ("x\0""1", "x\0""2", 3) < 0);
+  ASSERT (memcasecmp ("x\0""2", "x\0""1", 3) > 0);
+
+  /* The Next x86 OpenStep bug shows up only when comparing 16 bytes
+     or more and with at least one buffer not starting on a 4-byte boundary.
+     William Lewis provided this test program.   */
+  {
+    char foo[21];
+    char bar[21];
+    int i;
+    for (i = 0; i < 4; i++)
+      {
+        char *a = foo + i;
+        char *b = bar + i;
+        strcpy (a, "--------01111111");
+        strcpy (b, "--------10000000");
+        ASSERT (memcasecmp (a, b, 16) < 0);
+      }
+  }
+
+  return 0;
+}