Optimize file reading where possible.

[gnulib.git] / m4 / localcharset.m4

diff --git a/m4/localcharset.m4 b/m4/localcharset.m4
index c92e1bb..6863d32 100644 (file)
--- a/m4/localcharset.m4
+++ b/m4/localcharset.m4
@@ -1,5 +1,5 @@
-# localcharset.m4 serial 2
-dnl Copyright (C) 2002 Free Software Foundation, Inc.
+# localcharset.m4 serial 3
+dnl Copyright (C) 2002, 2004, 2006 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.
@@ -9,6 +9,7 @@ AC_DEFUN([gl_LOCALCHARSET],
   dnl Prerequisites of lib/localcharset.c.
   AC_CHECK_HEADERS_ONCE(stddef.h stdlib.h string.h)
   AC_REQUIRE([AM_LANGINFO_CODESET])
+  AC_CHECK_DECLS_ONCE(getc_unlocked)
   AC_CHECK_FUNCS_ONCE(setlocale)
 
   dnl Prerequisites of the lib/Makefile.am snippet.