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269004c1 | 1 | # uintmax_t.m4 serial 12 |
053cfcdd | 2 | dnl Copyright (C) 1997-2004, 2007-2013 Free Software Foundation, Inc. |
269004c1 CW |
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. | |
6 | ||
7 | dnl From Paul Eggert. | |
8 | ||
9 | AC_PREREQ([2.13]) | |
10 | ||
11 | # Define uintmax_t to 'unsigned long' or 'unsigned long long' | |
12 | # if it is not already defined in <stdint.h> or <inttypes.h>. | |
13 | ||
14 | AC_DEFUN([gl_AC_TYPE_UINTMAX_T], | |
15 | [ | |
16 | AC_REQUIRE([gl_AC_HEADER_INTTYPES_H]) | |
17 | AC_REQUIRE([gl_AC_HEADER_STDINT_H]) | |
18 | if test $gl_cv_header_inttypes_h = no && test $gl_cv_header_stdint_h = no; then | |
19 | AC_REQUIRE([AC_TYPE_UNSIGNED_LONG_LONG_INT]) | |
20 | test $ac_cv_type_unsigned_long_long_int = yes \ | |
21 | && ac_type='unsigned long long' \ | |
22 | || ac_type='unsigned long' | |
23 | AC_DEFINE_UNQUOTED([uintmax_t], [$ac_type], | |
24 | [Define to unsigned long or unsigned long long | |
25 | if <stdint.h> and <inttypes.h> don't define.]) | |
26 | else | |
27 | AC_DEFINE([HAVE_UINTMAX_T], [1], | |
28 | [Define if you have the 'uintmax_t' type in <stdint.h> or <inttypes.h>.]) | |
29 | fi | |
30 | ]) |