-#serial 4
+#serial 17
+
+# Copyright (C) 1997, 1998, 1999, 2000, 2001, 2003, 2004, 2005, 2006, 2007, 2008
+# Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
dnl From Jim Meyering.
-dnl Determine whether lstat has the bug that it succeeds when given the
-dnl zero-length file name argument. The lstat from SunOS4.1.4 and the Hurd
-dnl (as of 1998-11-01) do this.
-dnl
-dnl If it does, then define HAVE_LSTAT_EMPTY_STRING_BUG and arrange to
-dnl compile the wrapper function.
-dnl
-AC_DEFUN(jm_FUNC_LSTAT,
+AC_DEFUN([gl_FUNC_LSTAT],
[
- AC_REQUIRE([AC_FUNC_LSTAT_FOLLOWS_SLASHED_SYMLINK])
- AC_CACHE_CHECK([whether lstat accepts an empty string],
- jm_cv_func_lstat_empty_string_bug,
- [AC_TRY_RUN([
-# include <sys/types.h>
-# include <sys/stat.h>
-
- int
- main ()
- {
- struct stat sbuf;
- exit (lstat ("", &sbuf) ? 1 : 0);
- }
- ],
- jm_cv_func_lstat_empty_string_bug=yes,
- jm_cv_func_lstat_empty_string_bug=no,
- dnl When crosscompiling, assume lstat is broken.
- jm_cv_func_lstat_empty_string_bug=yes)
- ])
- if test $jm_cv_func_lstat_empty_string_bug = yes; then
- AC_SUBST(LIBOBJS)
- LIBOBJS="$LIBOBJS lstat.$ac_objext"
- AC_DEFINE_UNQUOTED(HAVE_LSTAT_EMPTY_STRING_BUG, 1,
-[Define if lstat has the bug that it succeeds when given the zero-length
- file name argument. The lstat from SunOS4.1.4 and the Hurd as of 1998-11-01)
- do this. ])
+ AC_REQUIRE([gl_SYS_STAT_H_DEFAULTS])
+ AC_FUNC_LSTAT_FOLLOWS_SLASHED_SYMLINK
+ dnl Note: AC_FUNC_LSTAT_FOLLOWS_SLASHED_SYMLINK does AC_LIBOBJ(lstat).
+ if test $ac_cv_func_lstat_dereferences_slashed_symlink = no; then
+ REPLACE_LSTAT=1
fi
+ # Prerequisites of lib/lstat.c.
+ AC_REQUIRE([AC_C_INLINE])
+ :
])