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authorRincewindsHat <12514511+RincewindsHat@users.noreply.github.com>2023-02-19 13:39:08 (GMT)
committerRincewindsHat <12514511+RincewindsHat@users.noreply.github.com>2023-02-19 13:39:08 (GMT)
commit74b6984047d330a3cc7cb7f63645849fe7676c63 (patch)
tree65a26800103d8d66f7e6cb4acfbfc9f315ec750b /gl/m4/limits-h.m4
parent423284edfa980fc3fdb51ab20af96685a988ba97 (diff)
parentc07206f2ccc2356aa74bc6813a94c2190017d44e (diff)
downloadmonitoring-plugins-74b6984047d330a3cc7cb7f63645849fe7676c63.tar.gz
Merge branch 'master' into check_icmp_cleanuprefs/pull/1807/head
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1dnl Check whether limits.h has needed features.
2
3dnl Copyright 2016-2023 Free Software Foundation, Inc.
4dnl This file is free software; the Free Software Foundation
5dnl gives unlimited permission to copy and/or distribute it,
6dnl with or without modifications, as long as this notice is preserved.
7
8dnl From Paul Eggert.
9
10AC_DEFUN_ONCE([gl_LIMITS_H],
11[
12 gl_CHECK_NEXT_HEADERS([limits.h])
13
14 AC_CACHE_CHECK([whether limits.h has WORD_BIT, BOOL_WIDTH etc.],
15 [gl_cv_header_limits_width],
16 [AC_COMPILE_IFELSE(
17 [AC_LANG_PROGRAM(
18 [[#ifndef __STDC_WANT_IEC_60559_BFP_EXT__
19 #define __STDC_WANT_IEC_60559_BFP_EXT__ 1
20 #endif
21 #include <limits.h>
22 long long llm = LLONG_MAX;
23 int wb = WORD_BIT;
24 int ullw = ULLONG_WIDTH;
25 int bw = BOOL_WIDTH;
26 ]])],
27 [gl_cv_header_limits_width=yes],
28 [gl_cv_header_limits_width=no])])
29 if test "$gl_cv_header_limits_width" = yes; then
30 GL_GENERATE_LIMITS_H=false
31 else
32 GL_GENERATE_LIMITS_H=true
33 fi
34])
35
36dnl Unconditionally enables the replacement of <limits.h>.
37AC_DEFUN([gl_REPLACE_LIMITS_H],
38[
39 AC_REQUIRE([gl_LIMITS_H])
40 GL_GENERATE_LIMITS_H=true
41])