2 dnl Copyright (C) 2007-2008 Free Software Foundation, Inc.
3 dnl This file is free software; the Free Software Foundation
4 dnl gives unlimited permission to copy and/or distribute it,
5 dnl with or without modifications, as long as this notice is preserved.
7 AC_DEFUN([gl_FUNC_FSEEKO],
9 AC_REQUIRE([gl_STDIO_H_DEFAULTS])
10 AC_REQUIRE([AC_PROG_CC])
11 AC_REQUIRE([gl_STDIN_LARGE_OFFSET])
13 dnl Persuade glibc <stdio.h> to declare fseeko().
14 AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
16 AC_CACHE_CHECK([for fseeko], [gl_cv_func_fseeko],
18 AC_TRY_LINK([#include <stdio.h>], [fseeko (stdin, 0, 0);],
19 [gl_cv_func_fseeko=yes], [gl_cv_func_fseeko=no])
21 if test $gl_cv_func_fseeko = no; then
24 elif test $gl_cv_var_stdin_large_offset = no; then
29 AC_DEFUN([gl_REPLACE_FSEEKO],
32 AC_REQUIRE([gl_STDIO_H_DEFAULTS])