Imported Upstream version 1.22

[tar] / m4 / lstat.m4

diff --git a/m4/lstat.m4 b/m4/lstat.m4
index 9ac109f67353d53c62c0f6784766f9a5f946b1b1..74c78fe48a72f7852cb1ab9ad99954ca68483a60 100644 (file)
--- a/m4/lstat.m4
+++ b/m4/lstat.m4
@@ -1,7 +1,6 @@
-#serial 17
+# serial 19
 
-# Copyright (C) 1997, 1998, 1999, 2000, 2001, 2003, 2004, 2005, 2006, 2007, 2008
-# Free Software Foundation, Inc.
+# Copyright (C) 1997-2001, 2003-2009 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@@ -12,12 +11,16 @@ dnl From Jim Meyering.
 AC_DEFUN([gl_FUNC_LSTAT],
 [
   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
+  dnl If lstat does not exist, the replacement <sys/stat.h> does
+  dnl "#define lstat stat", and lstat.c does not need to be compiled.
+  AC_CHECK_FUNCS_ONCE([lstat])
+  if test $ac_cv_func_lstat = yes; then
+    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])
   fi
-  # Prerequisites of lib/lstat.c.
-  AC_REQUIRE([AC_C_INLINE])
-  :
 ])