1 # strtoumax.m4 serial 8
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 AC_CACHE_CHECK([whether <inttypes.h> defines strtoumax as a macro],
11 gl_cv_func_strtoumax_macro,
12 [AC_EGREP_CPP([inttypes_h_defines_strtoumax], [#include <inttypes.h>
14 inttypes_h_defines_strtoumax
16 gl_cv_func_strtoumax_macro=yes,
17 gl_cv_func_strtoumax_macro=no)])
19 if test "$gl_cv_func_strtoumax_macro" != yes; then
20 AC_REPLACE_FUNCS([strtoumax])
21 if test $ac_cv_func_strtoumax = no; then
27 # Prerequisites of lib/strtoumax.c.
28 AC_DEFUN([gl_PREREQ_STRTOUMAX], [
29 AC_CHECK_DECLS([strtoull])
30 AC_REQUIRE([AC_TYPE_UNSIGNED_LONG_LONG_INT])