From: "Ryexander (Benjamin Powers)" Date: 2013-02-28T11:50:54+09:00 Subject: [ruby-core:53022] [ruby-trunk - Bug #7960] Ruby fails to build static under mswin linker error: multiple definitions of _Init_ext Issue #7960 has been updated by Ryexander (Benjamin Powers). I've been trying to resolve this on my own. is dmyext.c even required when linking exts statically? it semes to be just a prototype for extentions which gets redefined in extinit ---------------------------------------- Bug #7960: Ruby fails to build static under mswin linker error: multiple definitions of _Init_ext https://bugs.ruby-lang.org/issues/7960#change-37176 Author: Ryexander (Benjamin Powers) Status: Assigned Priority: Normal Assignee: nobu (Nobuyoshi Nakada) Category: build Target version: current: 2.1.0 ruby -v: 1.9.3 after the depend errors were fixed I obtained r39490 and attempted to build it after nearly completing it failed with ruby200.dll : fatal error LNK1169: one or more multiply defined symbols found searching through the output found only one line with a "already defined" ruby200-static.lib(dmyext.obj) : error LNK2005: _Init_ext already defined in ext init.obj attached is the full output of the configure.bat and nmake commands run with arguments -- http://bugs.ruby-lang.org/