-# ftello.m4 serial 2
-dnl Copyright (C) 2007 Free Software Foundation, Inc.
+# ftello.m4 serial 5
+dnl Copyright (C) 2007, 2008, 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.
AC_REQUIRE([gl_STDIO_H_DEFAULTS])
AC_REQUIRE([AC_PROG_CC])
AC_REQUIRE([gl_STDIN_LARGE_OFFSET])
+
+ dnl Persuade glibc <stdio.h> to declare fseeko().
+ AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
+
AC_CACHE_CHECK([for ftello], [gl_cv_func_ftello],
[
AC_TRY_LINK([#include <stdio.h>], [ftello (stdin);],
- [gl_cv_func_ftello=yes], [gl_cv_func_ftello=no])
+ [gl_cv_func_ftello=yes], [gl_cv_func_ftello=no])
])
- if test $gl_cv_func_ftello = no; then
- HAVE_FTELLO=0
- elif test $gl_cv_var_stdin_large_offset = no; then
+ if test $gl_cv_func_ftello = no \
+ || test $gl_cv_var_stdin_large_offset = no; then
gl_REPLACE_FTELLO
fi
])