Update Gnulib to the latest git version

[deliverable/binutils-gdb.git] / gnulib / import / m4 / limits-h.m4

diff --git a/gnulib/import/m4/limits-h.m4 b/gnulib/import/m4/limits-h.m4
index 31fdf0a779e3f559977a6e8146379186f438875d..68f724c777ed0372950cb7ff3b47b8038c8f0085 100644 (file)
--- a/gnulib/import/m4/limits-h.m4
+++ b/gnulib/import/m4/limits-h.m4
@@ -1,6 +1,6 @@
 dnl Check whether limits.h has needed features.
 
-dnl Copyright 2016 Free Software Foundation, Inc.
+dnl Copyright 2016-2019 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.
@@ -11,14 +11,18 @@ AC_DEFUN_ONCE([gl_LIMITS_H],
 [
   gl_CHECK_NEXT_HEADERS([limits.h])
 
-  AC_CACHE_CHECK([whether limits.h has ULLONG_WIDTH etc.],
+  AC_CACHE_CHECK([whether limits.h has LLONG_MAX, WORD_BIT, ULLONG_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>
-                          int ullw = ULLONG_WIDTH;]])],
+       [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;
+          ]])],
        [gl_cv_header_limits_width=yes],
        [gl_cv_header_limits_width=no])])
   if test "$gl_cv_header_limits_width" = yes; then
@@ -29,3 +33,11 @@ AC_DEFUN_ONCE([gl_LIMITS_H],
   AC_SUBST([LIMITS_H])
   AM_CONDITIONAL([GL_GENERATE_LIMITS_H], [test -n "$LIMITS_H"])
 ])
+
+dnl Unconditionally enables the replacement of <limits.h>.
+AC_DEFUN([gl_REPLACE_LIMITS_H],
+[
+  AC_REQUIRE([gl_LIMITS_H])
+  LIMITS_H='limits.h'
+  AM_CONDITIONAL([GL_GENERATE_LIMITS_H], [test -n "$LIMITS_H"])
+])