Imported Upstream version 1.24

[tar] / m4 / renameat.m4

diff --git a/m4/renameat.m4 b/m4/renameat.m4
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+# serial 2
+# See if we need to provide renameat replacement.
+
+dnl Copyright (C) 2009-2010 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.
+
+# Written by Eric Blake.
+
+AC_DEFUN([gl_FUNC_RENAMEAT],
+[
+  AC_REQUIRE([gl_FUNC_OPENAT])
+  AC_REQUIRE([gl_FUNC_RENAME])
+  AC_REQUIRE([gl_STDIO_H_DEFAULTS])
+  AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
+  AC_CHECK_FUNCS_ONCE([renameat])
+  if test $ac_cv_func_renameat = no; then
+    HAVE_RENAMEAT=0
+    AC_LIBOBJ([renameat])
+    AC_LIBOBJ([at-func2])
+  elif test $REPLACE_RENAME = 1; then
+    dnl Solaris 9 and 10 have the same bugs in renameat as in rename.
+    REPLACE_RENAMEAT=1
+    AC_LIBOBJ([renameat])
+    AC_LIBOBJ([at-func2])
+  fi
+])