From: Reid Thompson <reid.thompson@...>
Date: 2009-11-19T21:42:49+09:00
Subject: Re: extending ruby with c++ on windows

Al Lo wrote:
> hello everyone
> i need help with extending ruby with c on windows
> i've got ruby with version 1.9.1 [i386-mingw32]
> and mingw32-make with versions 3.8 and 3.81
> i wrote a simply cpp file and extconf.rb as is described here:
> http://onlamp.com/pub/a/onlamp/2004/11/18/extending_ruby.html
> then i run "ruby extconf.rb". so i get a Makefile.
> 
> running mingw32-make (v3.80) i get error:
> makefile:145: *** target pattern contains no `%'.  Stop.
> 
> if i run mingw32-make i get this strings:
> makefile:154: warning: overriding commands for target `C:/Program'
> makefile:148: warning: ignoring old commands for target `C:/Program'
> mingw32-make: *** No rule to make target `"/C/Program', needed by
> `Welcomer.o'.
>  Stop.
> 
> don't know what to do. is there any way to fix this? or the way to by
> pass this?

not sure if it's the problem or not, but i'd try everything with a directory hierarchy that does not contain 
any spaces in any of the directory or filenames.