* ext/socket/extconf.rb: Don't check fields of struct tcp_info if the

  structure is not available.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@46024 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 55 insertions, 54 deletions

diff --git a/ext/socket/extconf.rb b/ext/socket/extconf.rb
index 7bc8ffee80..c4523da24d 100644
--- a/ext/socket/extconf.rb
+++ b/ext/socket/extconf.rb
@@ -371,60 +371,61 @@ have_msg_control = nil
 have_msg_control = have_struct_member('struct msghdr', 'msg_control', headers) unless $mswin or $mingw
 have_struct_member('struct msghdr', 'msg_accrights', headers)
 
-have_type("struct tcp_info", headers)
-have_const("TCP_ESTABLISHED", headers)
-have_const("TCP_SYN_SENT", headers)
-have_const("TCP_SYN_RECV", headers)
-have_const("TCP_FIN_WAIT1", headers)
-have_const("TCP_FIN_WAIT2", headers)
-have_const("TCP_TIME_WAIT", headers)
-have_const("TCP_CLOSE", headers)
-have_const("TCP_CLOSE_WAIT", headers)
-have_const("TCP_LAST_ACK", headers)
-have_const("TCP_LISTEN", headers)
-have_const("TCP_CLOSING", headers)
-have_struct_member('struct tcp_info', 'tcpi_state', headers)
-have_struct_member('struct tcp_info', 'tcpi_ca_state', headers)
-have_struct_member('struct tcp_info', 'tcpi_retransmits', headers)
-have_struct_member('struct tcp_info', 'tcpi_probes', headers)
-have_struct_member('struct tcp_info', 'tcpi_backoff', headers)
-have_struct_member('struct tcp_info', 'tcpi_options', headers)
-have_struct_member('struct tcp_info', 'tcpi_snd_wscale', headers)
-have_struct_member('struct tcp_info', 'tcpi_rcv_wscale', headers)
-have_struct_member('struct tcp_info', 'tcpi_rto', headers)
-have_struct_member('struct tcp_info', 'tcpi_ato', headers)
-have_struct_member('struct tcp_info', 'tcpi_snd_mss', headers)
-have_struct_member('struct tcp_info', 'tcpi_rcv_mss', headers)
-have_struct_member('struct tcp_info', 'tcpi_unacked', headers)
-have_struct_member('struct tcp_info', 'tcpi_sacked', headers)
-have_struct_member('struct tcp_info', 'tcpi_lost', headers)
-have_struct_member('struct tcp_info', 'tcpi_retrans', headers)
-have_struct_member('struct tcp_info', 'tcpi_fackets', headers)
-have_struct_member('struct tcp_info', 'tcpi_last_data_sent', headers)
-have_struct_member('struct tcp_info', 'tcpi_last_ack_sent', headers)
-have_struct_member('struct tcp_info', 'tcpi_last_data_recv', headers)
-have_struct_member('struct tcp_info', 'tcpi_last_ack_recv', headers)
-have_struct_member('struct tcp_info', 'tcpi_pmtu', headers)
-have_struct_member('struct tcp_info', 'tcpi_rcv_ssthresh', headers)
-have_struct_member('struct tcp_info', 'tcpi_rtt', headers)
-have_struct_member('struct tcp_info', 'tcpi_rttvar', headers)
-have_struct_member('struct tcp_info', 'tcpi_snd_ssthresh', headers)
-have_struct_member('struct tcp_info', 'tcpi_snd_cwnd', headers)
-have_struct_member('struct tcp_info', 'tcpi_advmss', headers)
-have_struct_member('struct tcp_info', 'tcpi_reordering', headers)
-have_struct_member('struct tcp_info', 'tcpi_rcv_rtt', headers)
-have_struct_member('struct tcp_info', 'tcpi_rcv_space', headers)
-have_struct_member('struct tcp_info', 'tcpi_total_retrans', headers)
-
-# FreeBSD extension
-have_struct_member('struct tcp_info', 'tcpi_snd_wnd', headers)
-have_struct_member('struct tcp_info', 'tcpi_snd_bwnd', headers)
-have_struct_member('struct tcp_info', 'tcpi_snd_nxt', headers)
-have_struct_member('struct tcp_info', 'tcpi_rcv_nxt', headers)
-have_struct_member('struct tcp_info', 'tcpi_toe_tid', headers)
-have_struct_member('struct tcp_info', 'tcpi_snd_rexmitpack', headers)
-have_struct_member('struct tcp_info', 'tcpi_rcv_ooopack', headers)
-have_struct_member('struct tcp_info', 'tcpi_snd_zerowin', headers)
+if have_type("struct tcp_info", headers)
+  have_const("TCP_ESTABLISHED", headers)
+  have_const("TCP_SYN_SENT", headers)
+  have_const("TCP_SYN_RECV", headers)
+  have_const("TCP_FIN_WAIT1", headers)
+  have_const("TCP_FIN_WAIT2", headers)
+  have_const("TCP_TIME_WAIT", headers)
+  have_const("TCP_CLOSE", headers)
+  have_const("TCP_CLOSE_WAIT", headers)
+  have_const("TCP_LAST_ACK", headers)
+  have_const("TCP_LISTEN", headers)
+  have_const("TCP_CLOSING", headers)
+  have_struct_member('struct tcp_info', 'tcpi_state', headers)
+  have_struct_member('struct tcp_info', 'tcpi_ca_state', headers)
+  have_struct_member('struct tcp_info', 'tcpi_retransmits', headers)
+  have_struct_member('struct tcp_info', 'tcpi_probes', headers)
+  have_struct_member('struct tcp_info', 'tcpi_backoff', headers)
+  have_struct_member('struct tcp_info', 'tcpi_options', headers)
+  have_struct_member('struct tcp_info', 'tcpi_snd_wscale', headers)
+  have_struct_member('struct tcp_info', 'tcpi_rcv_wscale', headers)
+  have_struct_member('struct tcp_info', 'tcpi_rto', headers)
+  have_struct_member('struct tcp_info', 'tcpi_ato', headers)
+  have_struct_member('struct tcp_info', 'tcpi_snd_mss', headers)
+  have_struct_member('struct tcp_info', 'tcpi_rcv_mss', headers)
+  have_struct_member('struct tcp_info', 'tcpi_unacked', headers)
+  have_struct_member('struct tcp_info', 'tcpi_sacked', headers)
+  have_struct_member('struct tcp_info', 'tcpi_lost', headers)
+  have_struct_member('struct tcp_info', 'tcpi_retrans', headers)
+  have_struct_member('struct tcp_info', 'tcpi_fackets', headers)
+  have_struct_member('struct tcp_info', 'tcpi_last_data_sent', headers)
+  have_struct_member('struct tcp_info', 'tcpi_last_ack_sent', headers)
+  have_struct_member('struct tcp_info', 'tcpi_last_data_recv', headers)
+  have_struct_member('struct tcp_info', 'tcpi_last_ack_recv', headers)
+  have_struct_member('struct tcp_info', 'tcpi_pmtu', headers)
+  have_struct_member('struct tcp_info', 'tcpi_rcv_ssthresh', headers)
+  have_struct_member('struct tcp_info', 'tcpi_rtt', headers)
+  have_struct_member('struct tcp_info', 'tcpi_rttvar', headers)
+  have_struct_member('struct tcp_info', 'tcpi_snd_ssthresh', headers)
+  have_struct_member('struct tcp_info', 'tcpi_snd_cwnd', headers)
+  have_struct_member('struct tcp_info', 'tcpi_advmss', headers)
+  have_struct_member('struct tcp_info', 'tcpi_reordering', headers)
+  have_struct_member('struct tcp_info', 'tcpi_rcv_rtt', headers)
+  have_struct_member('struct tcp_info', 'tcpi_rcv_space', headers)
+  have_struct_member('struct tcp_info', 'tcpi_total_retrans', headers)
+
+  # FreeBSD extension
+  have_struct_member('struct tcp_info', 'tcpi_snd_wnd', headers)
+  have_struct_member('struct tcp_info', 'tcpi_snd_bwnd', headers)
+  have_struct_member('struct tcp_info', 'tcpi_snd_nxt', headers)
+  have_struct_member('struct tcp_info', 'tcpi_rcv_nxt', headers)
+  have_struct_member('struct tcp_info', 'tcpi_toe_tid', headers)
+  have_struct_member('struct tcp_info', 'tcpi_snd_rexmitpack', headers)
+  have_struct_member('struct tcp_info', 'tcpi_rcv_ooopack', headers)
+  have_struct_member('struct tcp_info', 'tcpi_snd_zerowin', headers)
+end
 
 case RUBY_PLATFORM
 when /mswin(32|64)|mingw/