1 files changed, 39 insertions, 0 deletions
diff --git a/m4/rmdir.m4 b/m4/rmdir.m4
new file mode 100644
index 00000000..c5f24cda
--- /dev/null
+++ b/m4/rmdir.m4
@@ -0,0 +1,39 @@
+# rmdir.m4 serial 12
+dnl Copyright (C) 2002, 2005, 2009-2012 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+AC_DEFUN([gl_FUNC_RMDIR],
+[
+  AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
+  dnl Detect cygwin 1.5.x bug.
+  AC_CHECK_HEADERS_ONCE([unistd.h])
+  AC_CACHE_CHECK([whether rmdir works], [gl_cv_func_rmdir_works],
+    [mkdir conftest.dir
+     touch conftest.file
+     AC_RUN_IFELSE(
+       [AC_LANG_PROGRAM(
+         [[#include <stdio.h>
+           #include <errno.h>
+           #if HAVE_UNISTD_H
+           # include <unistd.h>
+           #else /* on Windows with MSVC */
+           # include <direct.h>
+           #endif
+]], [[int result = 0;
+      if (!rmdir ("conftest.file/"))
+        result |= 1;
+      else if (errno != ENOTDIR)
+        result |= 2;
+      if (!rmdir ("conftest.dir/./"))
+        result |= 4;
+      return result;
+    ]])],
+       [gl_cv_func_rmdir_works=yes], [gl_cv_func_rmdir_works=no],
+       [gl_cv_func_rmdir_works="guessing no"])
+     rm -rf conftest.dir conftest.file])
+  if test x"$gl_cv_func_rmdir_works" != xyes; then
+    REPLACE_RMDIR=1
+  fi
+])