From e4b53b22228d935847b72e8f9ab0f49a15b54215 Mon Sep 17 00:00:00 2001
From: matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Tue, 1 Feb 2000 03:12:21 +0000
Subject: 2000-02-01

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@611 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ext/socket/extconf.rb | 21 ++++++++++++++++++++-
 1 file changed, 20 insertions(+), 1 deletion(-)

(limited to 'ext/socket/extconf.rb')

diff --git a/ext/socket/extconf.rb b/ext/socket/extconf.rb
index 6975994ef8..b7aee1cc36 100644
--- a/ext/socket/extconf.rb
+++ b/ext/socket/extconf.rb
@@ -41,6 +41,7 @@ end
 $ipv6type = nil
 $ipv6lib = nil
 $ipv6libdir = nil
+$ipv6trylibc = nil
 if $ipv6
   if egrep_cpp("yes", <<EOF)
 #include <netinet/in.h>
@@ -59,6 +60,7 @@ EOF
     $ipv6type = "kame"
     $ipv6lib="inet6"
     $ipv6libdir="/usr/local/v6/lib"
+    $ipv6trylibc=true
     $CFLAGS="-DINET6 "+$CFLAGS
   elsif File.directory? "/usr/inet6"
     $ipv6type = "linux"
@@ -100,7 +102,7 @@ EOF
   if $ipv6lib
     if File.directory? $ipv6libdir and File.exist? "#{$ipv6libdir}/lib#{$ipv6lib}.a"
       $LOCAL_LIBS = " -L#$ipv6libdir -l#$ipv6lib"
-    else
+    elsif !$ipv6trylibc
       print <<EOS
 
 Fatal: no #$ipv6lib library found.  cannot continue.
@@ -135,6 +137,23 @@ end
 #include <netdb.h>
 #include <string.h>
 #include <sys/socket.h>
+int
+main()
+{
+   struct sockaddr_storage ss;
+
+   ss.ss_family;
+   return 0;
+}
+EOF
+    $CFLAGS="-DHAVE_SOCKADDR_STORAGE "+$CFLAGS
+end
+
+  if try_link(<<EOF)
+#include <sys/types.h>
+#include <netdb.h>
+#include <string.h>
+#include <sys/socket.h>
 #include <netinet/in.h>
 int
 main()
-- 
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