X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=m4%2Fstrndup.m4;h=969e3191a40fbec0ea2f6319d9ff5b560660308f;hb=c8228c7d1f864908fd64cd47eefb418e419da549;hp=f8ea8f2ca774ed249dc9cc7489eeb656f8bce35b;hpb=441aa3044f43e5572f58c354f01e6bc070acd5c7;p=pspp

diff --git a/m4/strndup.m4 b/m4/strndup.m4
index f8ea8f2ca7..969e3191a4 100644
--- a/m4/strndup.m4
+++ b/m4/strndup.m4
@@ -1,5 +1,5 @@
-# strndup.m4 serial 17
-dnl Copyright (C) 2002-2003, 2005-2009 Free Software Foundation, Inc.
+# strndup.m4 serial 19
+dnl Copyright (C) 2002-2003, 2005-2011 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.
@@ -18,6 +18,7 @@ AC_DEFUN([gl_FUNC_STRNDUP],
   fi
 
   if test $ac_cv_func_strndup = yes; then
+    HAVE_STRNDUP=1
     # AIX 4.3.3, AIX 5.1 have a function that fails to add the terminating '\0'.
     AC_CACHE_CHECK([for working strndup], [gl_cv_func_strndup_works],
       [AC_RUN_IFELSE([
@@ -33,17 +34,18 @@ 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
-        AC_LIBOBJ([strndup])
-        ;;
+      *no) REPLACE_STRNDUP=1 ;;
     esac
   else
-    AC_LIBOBJ([strndup])
+    HAVE_STRNDUP=0
   fi
 ])