From a9a31b1de5776a3b08a82101a4fa711294f0dd1d Mon Sep 17 00:00:00 2001
From: "Manuel A. Fernandez Montecelo" <manuel.montezelo@gmail.com>
Date: Fri, 27 May 2016 14:28:30 +0100
Subject: Imported Upstream version 0.9.6+really0.9.3

---
 gnulib-m4/wcwidth.m4 | 47 ++++++++++++++++++++---------------------------
 1 file changed, 20 insertions(+), 27 deletions(-)

(limited to 'gnulib-m4/wcwidth.m4')

diff --git a/gnulib-m4/wcwidth.m4 b/gnulib-m4/wcwidth.m4
index b11dc8d..acceba5 100644
--- a/gnulib-m4/wcwidth.m4
+++ b/gnulib-m4/wcwidth.m4
@@ -1,5 +1,5 @@
-# wcwidth.m4 serial 23
-dnl Copyright (C) 2006-2015 Free Software Foundation, Inc.
+# wcwidth.m4 serial 16
+dnl Copyright (C) 2006-2010 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.
@@ -18,7 +18,7 @@ AC_DEFUN([gl_FUNC_WCWIDTH],
   AC_CHECK_HEADERS_ONCE([wchar.h])
   AC_CHECK_FUNCS_ONCE([wcwidth])
 
-  AC_CHECK_DECLS([wcwidth], [], [], [[
+  AC_CHECK_DECLS([wcwidth], [], [], [
 /* AIX 3.2.5 declares wcwidth in <string.h>. */
 #include <string.h>
 /* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
@@ -29,22 +29,19 @@ AC_DEFUN([gl_FUNC_WCWIDTH],
 #include <stdio.h>
 #include <time.h>
 #include <wchar.h>
-]])
+])
   if test $ac_cv_have_decl_wcwidth != yes; then
     HAVE_DECL_WCWIDTH=0
   fi
 
   if test $ac_cv_func_wcwidth = yes; then
-    HAVE_WCWIDTH=1
-    dnl On Mac OS X 10.3, wcwidth(0x0301) (COMBINING ACUTE ACCENT) returns 1.
-    dnl On OpenBSD 5.0, wcwidth(0x05B0) (HEBREW POINT SHEVA) returns 1.
+    dnl On MacOS X 10.3, wcwidth(0x0301) (COMBINING ACUTE ACCENT) returns 1.
     dnl On OSF/1 5.1, wcwidth(0x200B) (ZERO WIDTH SPACE) returns 1.
     dnl This leads to bugs in 'ls' (coreutils).
     AC_CACHE_CHECK([whether wcwidth works reasonably in UTF-8 locales],
       [gl_cv_func_wcwidth_works],
       [
-        AC_RUN_IFELSE(
-          [AC_LANG_SOURCE([[
+        AC_TRY_RUN([
 #include <locale.h>
 /* AIX 3.2.5 declares wcwidth in <string.h>. */
 #include <string.h>
@@ -65,26 +62,17 @@ int wcwidth (int);
 #endif
 int main ()
 {
-  int result = 0;
   if (setlocale (LC_ALL, "fr_FR.UTF-8") != NULL)
-    {
-      if (wcwidth (0x0301) > 0)
-        result |= 1;
-      if (wcwidth (0x05B0) > 0)
-        result |= 2;
-      if (wcwidth (0x200B) > 0)
-        result |= 4;
-    }
-  return result;
-}]])],
-          [gl_cv_func_wcwidth_works=yes],
-          [gl_cv_func_wcwidth_works=no],
+    if (wcwidth (0x0301) > 0 || wcwidth (0x200B) > 0)
+      return 1;
+  return 0;
+}], [gl_cv_func_wcwidth_works=yes], [gl_cv_func_wcwidth_works=no],
           [
 changequote(,)dnl
            case "$host_os" in
-                     # Guess yes on glibc and AIX 7 systems.
-             *-gnu* | aix[7-9]*) gl_cv_func_wcwidth_works="guessing yes";;
-             *)                  gl_cv_func_wcwidth_works="guessing no";;
+                     # Guess yes on glibc systems.
+             *-gnu*) gl_cv_func_wcwidth_works="guessing yes";;
+             *)      gl_cv_func_wcwidth_works="guessing no";;
            esac
 changequote([,])dnl
           ])
@@ -93,8 +81,13 @@ changequote([,])dnl
       *yes) ;;
       *no) REPLACE_WCWIDTH=1 ;;
     esac
-  else
-    HAVE_WCWIDTH=0
+  fi
+  if test $ac_cv_func_wcwidth != yes || test $REPLACE_WCWIDTH = 1; then
+    AC_LIBOBJ([wcwidth])
+  fi
+  if test $ac_cv_func_wcwidth != yes || test $REPLACE_WCWIDTH = 1 \
+     || test $HAVE_DECL_WCWIDTH = 0; then
+    gl_REPLACE_WCHAR_H
   fi
   dnl We don't substitute HAVE_WCWIDTH. We assume that if the system does not
   dnl have the wcwidth function, then it does not declare it.
-- 
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