From 758f820bcc0f68aeebac1717e537ca13a320b909 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 18:11:47 +0200 Subject: Adding upstream version 9.1. Signed-off-by: Daniel Baumann --- m4/limits-h.m4 | 41 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100644 m4/limits-h.m4 (limited to 'm4/limits-h.m4') diff --git a/m4/limits-h.m4 b/m4/limits-h.m4 new file mode 100644 index 0000000..5d5a5bf --- /dev/null +++ b/m4/limits-h.m4 @@ -0,0 +1,41 @@ +dnl Check whether limits.h has needed features. + +dnl Copyright 2016-2022 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl From Paul Eggert. + +AC_DEFUN_ONCE([gl_LIMITS_H], +[ + gl_CHECK_NEXT_HEADERS([limits.h]) + + AC_CACHE_CHECK([whether limits.h has WORD_BIT, BOOL_WIDTH etc.], + [gl_cv_header_limits_width], + [AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [[#ifndef __STDC_WANT_IEC_60559_BFP_EXT__ + #define __STDC_WANT_IEC_60559_BFP_EXT__ 1 + #endif + #include + long long llm = LLONG_MAX; + int wb = WORD_BIT; + int ullw = ULLONG_WIDTH; + int bw = BOOL_WIDTH; + ]])], + [gl_cv_header_limits_width=yes], + [gl_cv_header_limits_width=no])]) + if test "$gl_cv_header_limits_width" = yes; then + GL_GENERATE_LIMITS_H=false + else + GL_GENERATE_LIMITS_H=true + fi +]) + +dnl Unconditionally enables the replacement of . +AC_DEFUN([gl_REPLACE_LIMITS_H], +[ + AC_REQUIRE([gl_LIMITS_H]) + GL_GENERATE_LIMITS_H=true +]) -- cgit v1.2.3