1# strtoumax.m4 serial 6
2dnl Copyright (C) 2002, 2003, 2004, 2006 Free Software Foundation, Inc.
3dnl This file is free software; the Free Software Foundation
4dnl gives unlimited permission to copy and/or distribute it,
5dnl with or without modifications, as long as this notice is preserved.
6
7AC_DEFUN([gl_FUNC_STRTOUMAX],
8[
9  dnl Work around a bug of AC_EGREP_CPP in autoconf-2.57.
10  AC_REQUIRE([AC_PROG_CPP])
11  AC_REQUIRE([AC_PROG_EGREP])
12
13  AC_CACHE_CHECK([whether <inttypes.h> defines strtoumax as a macro],
14    jm_cv_func_strtoumax_macro,
15    [AC_EGREP_CPP([inttypes_h_defines_strtoumax], [#include <inttypes.h>
16#ifdef strtoumax
17 inttypes_h_defines_strtoumax
18#endif],
19       jm_cv_func_strtoumax_macro=yes,
20       jm_cv_func_strtoumax_macro=no)])
21
22  if test "$jm_cv_func_strtoumax_macro" != yes; then
23    AC_REPLACE_FUNCS(strtoumax)
24    if test $ac_cv_func_strtoumax = no; then
25      gl_PREREQ_STRTOUMAX
26    fi
27  fi
28])
29
30# Prerequisites of lib/strtoumax.c.
31AC_DEFUN([gl_PREREQ_STRTOUMAX], [
32  AC_CHECK_DECLS(strtoull)
33  AC_REQUIRE([AC_TYPE_UNSIGNED_LONG_LONG_INT])
34])
35