From: redveedub@...
Date: 2008-08-13T14:27:29+09:00
Subject: Re: gem (update ?) problem

On Aug 12, 7:53 pm, Gerson Minichiello <gerson.minichie...@gmail.com>
wrote:
> On Aug 11, 6:19 am, Peter Krieg <pk....@hotmail.de> wrote:
>
>
>
> > Hello,
>
> > Does anybody know how to deal with this gem problem ?
>
> > Thanks a lot in advance for your help.
>
> > After trying to run gem update the message is:
> > gem update
> > Updating installed gems
> > Updating hpricot
> > Building native extensions. This could take a while...
> > ERROR: While executing gem ... (Gem::Installer::ExtensionBuildError)
> > ERROR: Failed to build gem native extension.
>
> > c:/ruby/bin/ruby.exe extconf.rb update
> > checking for stdio.h... no
> > *** extconf.rb failed ***
> > Could not create Makefile due to some reason, probably lack of
> > necessary libraries and/or headers. Check the mkmf.log file for more
> > details. You may need configuration options.
> > BBHoss
> > Provided configuration options:
> > --with-opt-dir
> > --without-opt-dir
> > --with-opt-include
> > --without-opt-include=${opt-dir}/include
> > --with-opt-lib
> > --without-opt-lib=${opt-dir}/lib
> > --with-make-prog
> > --srcdir=.
> > --curdir
> > --ruby=c:/ruby/bin/ruby
>
> > Gem files will remain installed in
> > c:/ruby/lib/ruby/gems/1.8/gems/hpricot-0.6.161 for
>
> > inspection.
> > Results logged to
> > c:/ruby/lib/ruby/gems/1.8/gems/hpricot-0.6.161/ext/fast_xs/gem_make.out
>
> > mkmf.log shows:
> > have_header: checking for stdio.h... -------------------- no
>
> > "cl -nologo -E -I. -Ic:/ruby/lib/ruby/1.8/i386-mswin32 -I. -MD -Zi
> > -O2b2xg- -G6
>
> > conftest.c -P"
> > checked program was:
> > /* begin */
> > 1: #include <stdio.h>
> > /* end */
>
> > --------------------
> > --
> > Posted viahttp://www.ruby-forum.com/.
>
> Hi Peter,
>
> Try this command:
>
> gem install hpricot --platform mswin32 --sourcehttp://code.whytheluckystiff.net
>
> Gerson.

Gerson,

That worked for me on Windows Vista Home Premium.

Thanks for the tip!

Philip