select: Simplify replacement idiom.

[pspp] / m4 / fflush.m4

diff --git a/m4/fflush.m4 b/m4/fflush.m4
index 56c0aedc8920ecd012c5266aa7acb3c438ce6825..69eb86efe1a20be590ec2a776715f0347ea7e759 100644 (file)
--- a/m4/fflush.m4
+++ b/m4/fflush.m4
@@ -1,6 +1,6 @@
-# fflush.m4 serial 7
+# fflush.m4 serial 11
 
-# Copyright (C) 2007-2010 Free Software Foundation, Inc.
+# Copyright (C) 2007-2011 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.
@@ -11,6 +11,17 @@ dnl Find out how to obey POSIX semantics of fflush(stdin) discarding
 dnl unread input on seekable streams, rather than C99 undefined semantics.
 
 AC_DEFUN([gl_FUNC_FFLUSH],
+[
+  gl_FUNC_FFLUSH_STDIN
+  if test $gl_cv_func_fflush_stdin = no; then
+    gl_REPLACE_FFLUSH
+  fi
+])
+
+dnl Determine whether fflush works on input streams.
+dnl Sets gl_cv_func_fflush_stdin.
+
+AC_DEFUN([gl_FUNC_FFLUSH_STDIN],
 [
   AC_CACHE_CHECK([whether fflush works on input streams],
     [gl_cv_func_fflush_stdin],
@@ -59,18 +70,13 @@ AC_DEFUN([gl_FUNC_FFLUSH],
       gl_cv_func_fflush_stdin=no])
      rm conftest.txt
     ])
-  if test $gl_cv_func_fflush_stdin = no; then
-    gl_REPLACE_FFLUSH
-  fi
 ])
 
 AC_DEFUN([gl_REPLACE_FFLUSH],
 [
   AC_LIBOBJ([fflush])
-  AC_LIBOBJ([fseeko])
   AC_REQUIRE([gl_STDIO_H_DEFAULTS])
   REPLACE_FFLUSH=1
-  REPLACE_FSEEKO=1
   gl_PREREQ_FFLUSH
 ])