From 8c6ab35efe635b2f70cdd471903cd80886ec6eec Mon Sep 17 00:00:00 2001
From: Junio C Hamano <junkio@cox.net>
Date: Fri, 4 Aug 2006 16:46:16 -0700
Subject: autoconf: NO_IPV6

We would need both "struct addrinfo" and getaddrinfo()
available.  Check them and set NO_IPV6 otherwise.

Signed-off-by: Junio C Hamano <junkio@cox.net>
---
 configure.ac | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

(limited to 'configure.ac')

diff --git a/configure.ac b/configure.ac
index 33ddee2120..74c271098c 100644
--- a/configure.ac
+++ b/configure.ac
@@ -203,6 +203,14 @@ AC_CHECK_MEMBER(struct dirent.d_type,[],
 AC_CHECK_TYPE(struct sockaddr_storage,[],
 [GIT_CONF_APPEND_LINE(NO_SOCKADDR_STORAGE=YesPlease)],
 [#include <netinet/in.h>])
+# Define NO_IPV6 if you lack IPv6 support and getaddrinfo().
+AC_CHECK_TYPE([struct addrinfo],[
+AC_CHECK_FUNC([getaddrinfo],[],
+[GIT_CONF_APPEND_LINE(NO_IPV6=YesPlease)])],[],[
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netdb.h>
+])
 #
 # Define NO_C99_FORMAT if your formatted IO functions (printf/scanf et.al.)
 # do not support the 'size specifiers' introduced by C99, namely ll, hh,
@@ -244,8 +252,6 @@ AC_CHECK_FUNC(setenv,[],
 #
 # Define NO_MMAP if you want to avoid mmap.
 #
-# Define NO_IPV6 if you lack IPv6 support and getaddrinfo().
-#
 # Define NO_ICONV if your libc does not properly support iconv.
 
 
-- 
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