1 # strtoumax.m4 serial 7
2 dnl Copyright (C) 2002, 2003, 2004, 2006, 2009, 2010 Free Software Foundation,
4 dnl This file is free software; the Free Software Foundation
5 dnl gives unlimited permission to copy and/or distribute it,
6 dnl with or without modifications, as long as this notice is preserved.
8 AC_DEFUN([gl_FUNC_STRTOUMAX],
10 dnl Work around a bug of AC_EGREP_CPP in autoconf-2.57.
11 AC_REQUIRE([AC_PROG_CPP])
12 AC_REQUIRE([AC_PROG_EGREP])
14 AC_CACHE_CHECK([whether <inttypes.h> defines strtoumax as a macro],
15 gl_cv_func_strtoumax_macro,
16 [AC_EGREP_CPP([inttypes_h_defines_strtoumax], [#include <inttypes.h>
18 inttypes_h_defines_strtoumax
20 gl_cv_func_strtoumax_macro=yes,
21 gl_cv_func_strtoumax_macro=no)])
23 if test "$gl_cv_func_strtoumax_macro" != yes; then
24 AC_REPLACE_FUNCS([strtoumax])
25 if test $ac_cv_func_strtoumax = no; then
31 # Prerequisites of lib/strtoumax.c.
32 AC_DEFUN([gl_PREREQ_STRTOUMAX], [
33 AC_CHECK_DECLS([strtoull])
34 AC_REQUIRE([AC_TYPE_UNSIGNED_LONG_LONG_INT])