X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;ds=sidebyside;f=m4%2Fwcwidth.m4;h=acceba5477ce7f1cb271896edade66821a36866b;hb=8924d470065e554cb4532df49ba159ffdf8c1b32;hp=ef5404eab99703b9df2b7a36c30eee8be5a3f493;hpb=b2e2010c7c902235b5efb5bd3c6529f61b093aa4;p=gnulib.git

diff --git a/m4/wcwidth.m4 b/m4/wcwidth.m4
index ef5404eab..acceba547 100644
--- a/m4/wcwidth.m4
+++ b/m4/wcwidth.m4
@@ -1,4 +1,4 @@
-# wcwidth.m4 serial 15
+# 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,
@@ -34,9 +34,7 @@ AC_DEFUN([gl_FUNC_WCWIDTH],
     HAVE_DECL_WCWIDTH=0
   fi
 
-  if test $ac_cv_func_wcwidth = no; then
-    REPLACE_WCWIDTH=1
-  else
+  if test $ac_cv_func_wcwidth = yes; then
     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).
@@ -84,11 +82,13 @@ changequote([,])dnl
       *no) REPLACE_WCWIDTH=1 ;;
     esac
   fi
-  if test $REPLACE_WCWIDTH = 1; then
+  if test $ac_cv_func_wcwidth != yes || test $REPLACE_WCWIDTH = 1; then
     AC_LIBOBJ([wcwidth])
   fi
-
-  if test $REPLACE_WCWIDTH = 1 || test $HAVE_DECL_WCWIDTH = 0; then
+  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.
 ])