From 9a806f667b92087662acdb2570e8aebb89009074 Mon Sep 17 00:00:00 2001
From: Yang Tse <yangsita@gmail.com>
Date: Sat, 26 Jul 2008 01:24:50 +0000
Subject: Add a 3 argument check for getprotobyname_r

---
 ares/m4/reentrant.m4 | 28 +++++++++++++++++++++++++++-
 1 file changed, 27 insertions(+), 1 deletion(-)

(limited to 'ares/m4')

diff --git a/ares/m4/reentrant.m4 b/ares/m4/reentrant.m4
index 01d2136a7..8bffc9b1d 100644
--- a/ares/m4/reentrant.m4
+++ b/ares/m4/reentrant.m4
@@ -83,7 +83,6 @@ dnl makes function strtok_r compiler visible.
 AC_DEFUN([CHECK_NEED_REENTRANT_STRTOK_R], [
   #
   AC_MSG_NOTICE([DEBUG:])
-  AC_MSG_NOTICE([DEBUG:])
   AC_LINK_IFELSE([
     AC_LANG_FUNC_LINK_TRY([strtok_r])
   ],[
@@ -714,6 +713,19 @@ AC_DEFUN([CHECK_NEED_REENTRANT_GETPROTOBYNAME_R], [
     AC_COMPILE_IFELSE([
       AC_LANG_PROGRAM([[
 #include <sys/types.h>
+#include <netdb.h>
+      ]],[[
+        getprotobyname_r(0, 0, 0);
+      ]])
+    ],[
+      AC_MSG_NOTICE([DEBUG: getprotobyname_r proto wout finds... 3 args])
+      tmp_getprotobyname_r="done"
+    ])
+  fi
+  if test "$tmp_getprotobyname_r" = "proto_wout_def"; then
+    AC_COMPILE_IFELSE([
+      AC_LANG_PROGRAM([[
+#include <sys/types.h>
 #include <netdb.h>
       ]],[[
         getprotobyname_r(0, 0, 0, 0);
@@ -742,6 +754,20 @@ AC_DEFUN([CHECK_NEED_REENTRANT_GETPROTOBYNAME_R], [
       AC_LANG_PROGRAM([[
 #define _REENTRANT
 #include <sys/types.h>
+#include <netdb.h>
+      ]],[[
+        getprotobyname_r(0, 0, 0);
+      ]])
+    ],[
+      AC_MSG_NOTICE([DEBUG: getprotobyname_r proto with finds... 3 args])
+      tmp_getprotobyname_r="needs_reentrant"
+    ])
+  fi
+  if test "$tmp_getprotobyname_r" = "proto_with_def"; then
+    AC_COMPILE_IFELSE([
+      AC_LANG_PROGRAM([[
+#define _REENTRANT
+#include <sys/types.h>
 #include <netdb.h>
       ]],[[
         getprotobyname_r(0, 0, 0, 0);
-- 
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