On Dec 21, 7:34   򮮮
> Hi!
>
> I'm trying to compile the ruby whirlpool library from
>
> http://izumi.plan99.net/blog/index.php/ruby-whirlpool-library/
>
> on windows with Cygwin.
>
> extconf.rb looks like this:
>
> require 'mkmf'
> dir_config('whirlpool')
> create_makefile('whirlpool')
>
> It doesn't give any error messages while creating the makefile,
> however when I give the "make" command in cygwin, I get
>
> Makefile:106: *** target pattern contains no %. Stop.
>
> Line 106 of the Makefile looks like this:
>
> install-so: $(RUBYARCHDIR)
>
> It works fine in Ubuntu btw.
>
> Thanks in advance

What Ruby version are you trying to use under Cygwin?

--
Luis Lavena