From: Ramkumar Ramachandra Date: 2012-11-17T00:54:54+09:00 Subject: [ruby-core:49433] Re: make check: missing psych Shota Fukumori (sora_h) wrote: > On Fri, Nov 16, 2012 at 11:12 PM, Ramkumar Ramachandra > wrote: >> I see. Hm, I have the package "libyaml" installed on my Ubuntu >> system, but it still complains about missing psych. What am I >> missing? > > http://packages.ubuntu.com/search?keywords=libyaml-dev > is libyaml-dev installed? > > you need libyaml-dev, not only libyaml. Ah, thanks; works now. However, I'm able to build and install `ruby` without `libyaml-dev`, and the resulting `gem` executable is broken. Isn't that a bug? Ram