stdioext: Add support for musl libc.

[gnulib.git] / m4 / fbufmode.m4

diff --git a/m4/fbufmode.m4 b/m4/fbufmode.m4
index d9fbf46..247d393 100644 (file)
--- a/m4/fbufmode.m4
+++ b/m4/fbufmode.m4
@@ -1,4 +1,4 @@
-# fbufmode.m4 serial 1
+# fbufmode.m4 serial 2
 dnl Copyright (C) 2007, 2009-2012 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -7,5 +7,5 @@ dnl with or without modifications, as long as this notice is preserved.
 AC_DEFUN([gl_FUNC_FBUFMODE],
 [
   dnl Prerequisites of lib/fbufmode.c.
-  AC_CHECK_FUNCS_ONCE([__flbf])
+  AC_CHECK_FUNCS_ONCE([__flbf __fbufsize])
 ])