X-Git-Url: https://git.cworth.org/git?p=tar;a=blobdiff_plain;f=m4%2Fstrndup.m4;fp=m4%2Fstrndup.m4;h=b3567d89812fb75e7315274453940f177aa9d571;hp=810313cd12478d9ba60c0f607093eadcdf20a004;hb=ee168310ec4227174ace489bf5f81f8c2f91cde0;hpb=22f1eb8bc17e5be72dd23d42d6aaa60196ac22e6

diff --git a/m4/strndup.m4 b/m4/strndup.m4
index 810313c..b3567d8 100644
--- a/m4/strndup.m4
+++ b/m4/strndup.m4
@@ -1,4 +1,4 @@
-# strndup.m4 serial 17
+# strndup.m4 serial 18
 dnl Copyright (C) 2002-2003, 2005-2010 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -33,10 +33,14 @@ AC_DEFUN([gl_FUNC_STRNDUP],
   return s[13] != '\0';]])],
          [gl_cv_func_strndup_works=yes],
          [gl_cv_func_strndup_works=no],
-         [case $host_os in
-            aix*) gl_cv_func_strndup_works="guessing no";;
-            *) gl_cv_func_strndup_works="guessing yes";;
-          esac])])
+         [
+changequote(,)dnl
+          case $host_os in
+            aix | aix[3-6]*) gl_cv_func_strndup_works="guessing no";;
+            *)               gl_cv_func_strndup_works="guessing yes";;
+          esac
+changequote([,])dnl
+         ])])
     case $gl_cv_func_strndup_works in
       *no)
         REPLACE_STRNDUP=1