Cannot install thin on windows

Installing from the git or rubygems repositories no longer works (currently) under 1.9.2 or 1.9.3 (confirmed still broken on 2012-June-22). Instead, you need to simply:

gem install eventmachine --pregem install thin

Note that on 2012-June-18 the current prerelease was renamed to 1.0.0.rc.1, so there is a possibility that 'soon' the version that works with Windows will become the official release and this will no longer be a problem.

If you try to build the gem under 1.9.2 from the github repo you may see this (included for search engine hits):

C:\eventmachine> rake build(in C:/eventmachine)cd extC:/Ruby/bin/ruby.exe extconf.rbchecking for rb_trap_immediate in ruby.h,rubysig.h... *** extconf.rb failed ***Could not create Makefile due to some reason, probably lack of necessarylibraries and/or headers.  Check the mkmf.log file for more details.

If you try to install the gem under 1.9.3 from the rubygems repo you may see this (included for search engine hits):

C:\>gem install eventmachineTemporarily enhancing PATH to include DevKit...Building native extensions.  This could take a while...ERROR:  Error installing eventmachine:        ERROR: Failed to build gem native extension.        C:/Ruby193/bin/ruby.exe extconf.rbchecking for rb_trap_immediate in ruby.h,rubysig.h... nochecking for rb_thread_blocking_region()... yeschecking for inotify_init() in sys/inotify.h... nochecking for __NR_inotify_init in sys/syscall.h... nochecking for writev() in sys/uio.h... nochecking for rb_thread_check_ints()... yeschecking for rb_time_new()... yeschecking for windows.h... yeschecking for winsock.h... yeschecking for main() in -lkernel32... yeschecking for main() in -lrpcrt4... yeschecking for main() in -lgdi32... yeschecking for main() in -lssl... nocreating Makefilemakegenerating rubyeventmachine-i386-mingw32.defcompiling binder.cppcc1plus.exe: warning: command line option "-Wdeclaration-after-statement" is valid for C/ObjC but not for C++cc1plus.exe: warning: command line option "-Wimplicit-function-declaration" is valid for C/ObjC but not for C++In file included from binder.cpp:20:0:project.h:85:0: warning: "FD_SETSIZE" redefined:0:0: note: this is the location of the previous definitionIn file included from project.h:137:0,                 from binder.cpp:20:binder.h:35:34: warning: type qualifiers ignored on function return typeIn file included from project.h:138:0,                 from binder.cpp:20:em.h:91:47: warning: type qualifiers ignored on function return typeem.h:92:76: warning: type qualifiers ignored on function return typeem.h:93:56: warning: type qualifiers ignored on function return typeem.h:95:57: warning: type qualifiers ignored on function return typeem.h:96:60: warning: type qualifiers ignored on function return typeem.h:97:58: warning: type qualifiers ignored on function return typeem.h:98:55: warning: type qualifiers ignored on function return typeem.h:99:36: warning: type qualifiers ignored on function return typeem.h:101:47: warning: type qualifiers ignored on function return typeem.h:106:42: warning: type qualifiers ignored on function return typeem.h:123:45: warning: type qualifiers ignored on function return typeem.h:132:36: warning: type qualifiers ignored on function return typeIn file included from project.h:145:0,                 from binder.cpp:20:eventmachine.h:45:61: warning: type qualifiers ignored on function return typeeventmachine.h:46:112: warning: type qualifiers ignored on function return typeeventmachine.h:47:69: warning: type qualifiers ignored on function return typeeventmachine.h:49:73: warning: type qualifiers ignored on function return typeeventmachine.h:62:75: warning: type qualifiers ignored on function return typeeventmachine.h:63:74: warning: type qualifiers ignored on function return typeeventmachine.h:64:77: warning: type qualifiers ignored on function return typeeventmachine.h:65:41: warning: type qualifiers ignored on function return typeIn file included from project.h:145:0,                 from binder.cpp:20:eventmachine.h:99:60: warning: type qualifiers ignored on function return typeeventmachine.h:100:58: warning: type qualifiers ignored on function return typeeventmachine.h:102:60: warning: type qualifiers ignored on function return typeeventmachine.h:105:41: warning: type qualifiers ignored on function return typecompiling cmain.cppcc1plus.exe: warning: command line option "-Wdeclaration-after-statement" is valid for C/ObjC but not for C++cc1plus.exe: warning: command line option "-Wimplicit-function-declaration" is valid for C/ObjC but not for C++In file included from cmain.cpp:20:0:project.h:85:0: warning: "FD_SETSIZE" redefined:0:0: note: this is the location of the previous definitionIn file included from project.h:137:0,                 from cmain.cpp:20:binder.h:35:34: warning: type qualifiers ignored on function return typeIn file included from project.h:138:0,                 from cmain.cpp:20:em.h:91:47: warning: type qualifiers ignored on function return typeem.h:92:76: warning: type qualifiers ignored on function return typeem.h:93:56: warning: type qualifiers ignored on function return typeem.h:95:57: warning: type qualifiers ignored on function return typeem.h:96:60: warning: type qualifiers ignored on function return typeem.h:97:58: warning: type qualifiers ignored on function return typeem.h:98:55: warning: type qualifiers ignored on function return typeem.h:99:36: warning: type qualifiers ignored on function return typeem.h:101:47: warning: type qualifiers ignored on function return typeem.h:106:42: warning: type qualifiers ignored on function return typeem.h:123:45: warning: type qualifiers ignored on function return typeem.h:132:36: warning: type qualifiers ignored on function return typeIn file included from project.h:145:0,                 from cmain.cpp:20:eventmachine.h:45:61: warning: type qualifiers ignored on function return typeeventmachine.h:46:112: warning: type qualifiers ignored on function return typeeventmachine.h:47:69: warning: type qualifiers ignored on function return typeeventmachine.h:49:73: warning: type qualifiers ignored on function return typeeventmachine.h:62:75: warning: type qualifiers ignored on function return typeeventmachine.h:63:74: warning: type qualifiers ignored on function return typeeventmachine.h:64:77: warning: type qualifiers ignored on function return typeeventmachine.h:65:41: warning: type qualifiers ignored on function return typeIn file included from project.h:145:0,                 from cmain.cpp:20:eventmachine.h:99:60: warning: type qualifiers ignored on function return typeeventmachine.h:100:58: warning: type qualifiers ignored on function return typeeventmachine.h:102:60: warning: type qualifiers ignored on function return typeeventmachine.h:105:41: warning: type qualifiers ignored on function return typecmain.cpp:98:71: warning: type qualifiers ignored on function return typecmain.cpp:109:122: warning: type qualifiers ignored on function return typecmain.cpp:119:79: warning: type qualifiers ignored on function return typecmain.cpp:129:83: warning: type qualifiers ignored on function return typecmain.cpp:260:85: warning: type qualifiers ignored on function return typecmain.cpp:270:84: warning: type qualifiers ignored on function return typecmain.cpp:280:88: warning: type qualifiers ignored on function return typecmain.cpp:290:51: warning: type qualifiers ignored on function return typecmain.cpp:300:70: warning: type qualifiers ignored on function return typecmain.cpp:320:55: warning: type qualifiers ignored on function return typecmain.cpp:546:70: warning: type qualifiers ignored on function return typecmain.cpp:669:68: warning: type qualifiers ignored on function return typecmain.cpp: In function 'int evma_send_file_data_to_connection(long unsigned int, const char*)':cmain.cpp:752:6: error: cannot convert 'stat*' to '_stati64*' for argument '2' to 'int _fstati64(int, _stati64*)'make: *** [cmain.o] Error 1Gem files will remain installed in C:/Ruby193/lib/ruby/gems/1.9.1/gems/eventmachine-0.12.10 for inspection.Results logged to C:/Ruby193/lib/ruby/gems/1.9.1/gems/eventmachine-0.12.10/ext/gem_make.out

First, install the DevKit from the RubyInstaller for Windows website (which it appears you have already done).

Then install eventmachine separately from the git repository as Roger shows.

> gem install specific_installSuccessfully installed backports-1.18.1Successfully installed specific_install-0.2.32 gems installed...> gem specific_install -l http://github.com/eventmachine/eventmachine.gitgit installing from http://github.com/eventmachine/eventmachine.git...Successfully built RubyGemName: eventmachineVersion: 0.12.11File: eventmachine-0.12.11.gemTemporarily enhancing PATH to include DevKit...Building native extensions.  This could take a while...Successfully installed eventmachine-0.12.111 gem installed...successfully installed

You should then be able to install thin from the gem.

> gem install thinTemporarily enhancing PATH to include DevKit...Successfully installed thin-1.2.7-x86-mingw321 gem installed ...> thin startUsing rack adapterThin web server (v1.2.7 codename No Hup)Maximum connections set to 1024Listening on 0.0.0.0:3000, CTRL+C to stop

Try the running the following

gem install thin –ignore-dependencies

If it fails retry installing rack and eventmachine and then re-running the above command.

gem install rackgem install eventmachine -lgem install thin –ignore-dependencies