From 868beb15ae02c352005a2df8857f4ebb9bd758fd Mon Sep 17 00:00:00 2001
From: RincewindsHat <12514511+RincewindsHat@users.noreply.github.com>
Date: Tue, 23 Aug 2022 19:42:51 +0200
Subject: Sync with the latest Gnulib code (d27c820595)

---
 gl/m4/limits-h.m4 | 41 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 41 insertions(+)
 create mode 100644 gl/m4/limits-h.m4

(limited to 'gl/m4/limits-h.m4')

diff --git a/gl/m4/limits-h.m4 b/gl/m4/limits-h.m4
new file mode 100644
index 00000000..5d5a5bf5
--- /dev/null
+++ b/gl/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 <limits.h>
+            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 <limits.h>.
+AC_DEFUN([gl_REPLACE_LIMITS_H],
+[
+  AC_REQUIRE([gl_LIMITS_H])
+  GL_GENERATE_LIMITS_H=true
+])
-- 
cgit v1.2.3-74-g34f1