From 5b3be2ee354ff497f4c41bafae485ddd754ff3aa Mon Sep 17 00:00:00 2001
From: Yang Tse <yangsita@gmail.com>
Date: Sun, 15 Nov 2009 13:43:15 +0000
Subject: getaddrinfo is fully thread safe on solaris versions which implement
 the function even when h_errno is not a macro.

The h_errno macro test now only done on systems for which there
is no hard coded knowledge about getaddrinfo's thread safeness.
---
 m4/curl-functions.m4 | 20 +++++++++++++-------
 1 file changed, 13 insertions(+), 7 deletions(-)

(limited to 'm4')

diff --git a/m4/curl-functions.m4 b/m4/curl-functions.m4
index df3a5850c..48d32b10a 100644
--- a/m4/curl-functions.m4
+++ b/m4/curl-functions.m4
@@ -1679,14 +1679,20 @@ AC_DEFUN([CURL_CHECK_FUNC_GETADDRINFO], [
         dnl All other bsd's
         tst_tsafe_getaddrinfo="no"
         ;;
+      solaris2*)
+        dnl solaris which have it
+        tst_tsafe_getaddrinfo="yes"
+        ;;
     esac
-    CURL_CHECK_DEF_CC([h_errno], [
-      $curl_includes_ws2tcpip
-      $curl_includes_sys_socket
-      $curl_includes_netdb
-      ], [silent])
-    if test "$curl_cv_have_def_h_errno" = "no"; then
-      tst_tsafe_getaddrinfo="no"
+    if test "$tst_tsafe_getaddrinfo" = "unknown"; then
+      CURL_CHECK_DEF_CC([h_errno], [
+        $curl_includes_ws2tcpip
+        $curl_includes_sys_socket
+        $curl_includes_netdb
+        ], [silent])
+      if test "$curl_cv_have_def_h_errno" = "no"; then
+        tst_tsafe_getaddrinfo="no"
+      fi
     fi
     if test "$tst_tsafe_getaddrinfo" = "unknown"; then
       tst_tsafe_getaddrinfo="yes"
-- 
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