fix it for 5.005 without warnings

[spider.git] / perl / Msg.pm

diff --git a/perl/Msg.pm b/perl/Msg.pm
index c9ad34338952888b03fa4c563bae15cef172c993..5aef961ee4f4162593228d0c1abd71a41dd52fef 100644 (file)
--- a/perl/Msg.pm
+++ b/perl/Msg.pm
@@ -52,6 +52,18 @@ BEGIN {
        eval {
                require Errno; Errno->import(qw(EAGAIN EINPROGRESS EWOULDBLOCK));
        };
+
+       unless ($^O eq 'MSWin32') {
+               if ($] >= 5.6) {
+                       eval {
+                               require Socket; Socket->import(qw(IPPROTO_TCP TCP_NODELAY));
+                       };
+               } else {
+                       dbg("IPPROTO_TCP and TCP_NODELAY manually defined");
+                       eval 'sub IPPROTO_TCP {     6 };';
+                       eval 'sub TCP_NODELAY {     1 };';
+               }
+       }
        # http://support.microsoft.com/support/kb/articles/Q150/5/37.asp
        # defines EINPROGRESS as 10035.  We provide it here because some
        # Win32 users report POSIX::EINPROGRESS is not vendor-supported.
@@ -375,11 +387,6 @@ sub new_server {
        return $self;
 }
 
-eval "use Socket qw(IPPROTO_TCP TCP_NODELAY)";
-if ($@ && !$main::is_win) {
-       sub IPPROTO_TCP {6;}
-       sub TCP_NODELAY {1;};
-}
 
 sub nolinger
 {