X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Frmdir.m4;h=f6a02dd24a86aca5e6a7d13983ad44709b581c7f;hb=e7086a9a301ffcfef17edbcba9e7c0312c33f7a8;hp=599b7895786e50aff6bc646cb9bfa06e9f9fafc0;hpb=5ff811558adf7013f9fd9109fa794dd4e5ee8c91;p=gnulib.git

diff --git a/m4/rmdir.m4 b/m4/rmdir.m4
index 599b78957..f6a02dd24 100644
--- a/m4/rmdir.m4
+++ b/m4/rmdir.m4
@@ -1,44 +1,49 @@
-# rmdir.m4 serial 7
-dnl Copyright (C) 2002, 2005, 2009 Free Software Foundation, Inc.
+# rmdir.m4 serial 13
+dnl Copyright (C) 2002, 2005, 2009-2013 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_AC_DOS])
   AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
-  dnl FIXME: simplify this module in 2010 if no one reports a missing rmdir
-  AC_REPLACE_FUNCS([rmdir])
-  if test $ac_cv_func_rmdir = no; then
-    REPLACE_RMDIR=1
-    # If someone lacks rmdir, make configure fail, and request
-    # a bug report to inform us about it.
-    if test x"$SKIP_RMDIR_CHECK" != xyes; then
-      AC_MSG_FAILURE([Your system lacks the rmdir function.
-	      Please report this, along with the output of "uname -a", to the
-	      bug-coreutils@gnu.org mailing list.  To continue past this point,
-	      rerun configure with SKIP_RMDIR_CHECK=yes.
-	      E.g., ./configure SKIP_RMDIR_CHECK=yes])
-    fi
-  else
-    dnl Detect cygwin 1.5.x bug.
-    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>
-             #include <unistd.h>
-]], [[return !rmdir ("conftest.file/") || errno != ENOTDIR
-       || !rmdir ("conftest.dir/./");]])],
-         [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"$gl_cv_func_rmdir_works" != xyes; then
+  AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
+  dnl Detect cygwin 1.5.x bug.
+  AC_CHECK_HEADERS_ONCE([unistd.h])
+  AC_CACHE_CHECK([whether rmdir works], [gl_cv_func_rmdir_works],
+    [mkdir conftest.dir
+     touch conftest.file
+     AC_RUN_IFELSE(
+       [AC_LANG_PROGRAM(
+         [[#include <stdio.h>
+           #include <errno.h>
+           #if HAVE_UNISTD_H
+           # include <unistd.h>
+           #else /* on Windows with MSVC */
+           # include <direct.h>
+           #endif
+]], [[int result = 0;
+      if (!rmdir ("conftest.file/"))
+        result |= 1;
+      else if (errno != ENOTDIR)
+        result |= 2;
+      if (!rmdir ("conftest.dir/./"))
+        result |= 4;
+      return result;
+    ]])],
+       [gl_cv_func_rmdir_works=yes], [gl_cv_func_rmdir_works=no],
+       [case "$host_os" in
+                  # Guess yes on glibc systems.
+          *-gnu*) gl_cv_func_rmdir_works="guessing yes" ;;
+                  # If we don't know, assume the worst.
+          *)      gl_cv_func_rmdir_works="guessing no" ;;
+        esac
+       ])
+     rm -rf conftest.dir conftest.file])
+  case "$gl_cv_func_rmdir_works" in
+    *yes) ;;
+    *)
       REPLACE_RMDIR=1
-      AC_LIBOBJ([rmdir])
-    fi
-  fi
+      ;;
+  esac
 ])