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comparison m4/intmax_t.m4 @ 421:3c2e1f24cc7d 3.0-beta2
Added generated files for release
author | lost@l-w.ca |
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date | Sun, 19 Sep 2010 01:33:24 -0600 |
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420:7366deedfa85 | 421:3c2e1f24cc7d |
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1 # intmax_t.m4 serial 7 | |
2 dnl Copyright (C) 1997-2004, 2006-2007, 2009-2010 Free Software Foundation, | |
3 dnl Inc. | |
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. | |
7 | |
8 dnl From Paul Eggert. | |
9 | |
10 AC_PREREQ([2.13]) | |
11 | |
12 # Define intmax_t to 'long' or 'long long' | |
13 # if it is not already defined in <stdint.h> or <inttypes.h>. | |
14 | |
15 AC_DEFUN([gl_AC_TYPE_INTMAX_T], | |
16 [ | |
17 dnl For simplicity, we assume that a header file defines 'intmax_t' if and | |
18 dnl only if it defines 'uintmax_t'. | |
19 AC_REQUIRE([gl_AC_HEADER_INTTYPES_H]) | |
20 AC_REQUIRE([gl_AC_HEADER_STDINT_H]) | |
21 if test $gl_cv_header_inttypes_h = no && test $gl_cv_header_stdint_h = no; then | |
22 AC_REQUIRE([AC_TYPE_LONG_LONG_INT]) | |
23 test $ac_cv_type_long_long_int = yes \ | |
24 && ac_type='long long' \ | |
25 || ac_type='long' | |
26 AC_DEFINE_UNQUOTED([intmax_t], [$ac_type], | |
27 [Define to long or long long if <inttypes.h> and <stdint.h> don't define.]) | |
28 else | |
29 AC_DEFINE([HAVE_INTMAX_T], [1], | |
30 [Define if you have the 'intmax_t' type in <stdint.h> or <inttypes.h>.]) | |
31 fi | |
32 ]) | |
33 | |
34 dnl An alternative would be to explicitly test for 'intmax_t'. | |
35 | |
36 AC_DEFUN([gt_AC_TYPE_INTMAX_T], | |
37 [ | |
38 AC_REQUIRE([gl_AC_HEADER_INTTYPES_H]) | |
39 AC_REQUIRE([gl_AC_HEADER_STDINT_H]) | |
40 AC_CACHE_CHECK([for intmax_t], [gt_cv_c_intmax_t], | |
41 [AC_TRY_COMPILE([ | |
42 #include <stddef.h> | |
43 #include <stdlib.h> | |
44 #if HAVE_STDINT_H_WITH_UINTMAX | |
45 #include <stdint.h> | |
46 #endif | |
47 #if HAVE_INTTYPES_H_WITH_UINTMAX | |
48 #include <inttypes.h> | |
49 #endif | |
50 ], [intmax_t x = -1; return !x;], gt_cv_c_intmax_t=yes, gt_cv_c_intmax_t=no)]) | |
51 if test $gt_cv_c_intmax_t = yes; then | |
52 AC_DEFINE([HAVE_INTMAX_T], [1], | |
53 [Define if you have the 'intmax_t' type in <stdint.h> or <inttypes.h>.]) | |
54 else | |
55 AC_REQUIRE([AC_TYPE_LONG_LONG_INT]) | |
56 test $ac_cv_type_long_long_int = yes \ | |
57 && ac_type='long long' \ | |
58 || ac_type='long' | |
59 AC_DEFINE_UNQUOTED([intmax_t], [$ac_type], | |
60 [Define to long or long long if <stdint.h> and <inttypes.h> don't define.]) | |
61 fi | |
62 ]) |