X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Ffdopendir.m4;h=25dee3fc404ee56bd9543a19c87831883a7e3b61;hb=ef3ff90a39110bde148b63b18b997c317eee9751;hp=0908e1f8c9fed45b2b26eb06b815c5f0551c8c54;hpb=497bb5fc57d14e07115482157ed318d078a83083;p=gnulib.git

diff --git a/m4/fdopendir.m4 b/m4/fdopendir.m4
index 0908e1f8c..25dee3fc4 100644
--- a/m4/fdopendir.m4
+++ b/m4/fdopendir.m4
@@ -1,7 +1,7 @@
-# serial 4
+# serial 7
 # See if we need to provide fdopendir.
 
-dnl Copyright (C) 2009-2010 Free Software Foundation, Inc.
+dnl Copyright (C) 2009-2011 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.
@@ -17,9 +17,6 @@ AC_DEFUN([gl_FUNC_FDOPENDIR],
     ]])
   AC_CHECK_FUNCS_ONCE([fdopendir])
   if test $ac_cv_func_fdopendir = no; then
-    AC_LIBOBJ([openat-proc])
-    AC_LIBOBJ([fdopendir])
-    gl_REPLACE_DIRENT_H
     HAVE_FDOPENDIR=0
   else
     AC_CACHE_CHECK([whether fdopendir works],
@@ -27,19 +24,21 @@ AC_DEFUN([gl_FUNC_FDOPENDIR],
       [AC_RUN_IFELSE([AC_LANG_PROGRAM([[
 #include <dirent.h>
 #include <fcntl.h>
+#include <unistd.h>
 #if !HAVE_DECL_FDOPENDIR
 extern DIR *fdopendir (int);
 #endif
-]], [int fd = open ("conftest.c", O_RDONLY);
-     if (fd < 0) return 2;
-     return !!fdopendir (fd);])],
+]], [int result = 0;
+     int fd = open ("conftest.c", O_RDONLY);
+     if (fd < 0) result |= 1;
+     if (fdopendir (fd)) result |= 2;
+     if (close (fd)) result |= 4;
+     return result;])],
          [gl_cv_func_fdopendir_works=yes],
          [gl_cv_func_fdopendir_works=no],
          [gl_cv_func_fdopendir_works="guessing no"])])
     if test "$gl_cv_func_fdopendir_works" != yes; then
       REPLACE_FDOPENDIR=1
-      gl_REPLACE_DIRENT_H
-      AC_LIBOBJ([fdopendir])
     fi
   fi
 ])