From: KOSAKI Motohiro Date: 2011-11-27T16:11:37+09:00 Subject: [ruby-core:41324] Re: [ruby-trunk - Bug #5675][Open] [mingw] static build fails due to socket extension build failure > compiling ../../../ext/socket/socket.c > ../../../ext/socket/socket.c: In function 'rsock_sock_s_socketpair': > ../../../ext/socket/socket.c:114:5: warning: implicit declaration of function 'socketpair' This warning shouldn't be happen. But I'm wondering it because many people did success mingw32 build. Hmm.. Luis, do you have any opinion? (note: this is head of ruby_1_9_3 branch).