普通にgemでインストールするとずらずらとエラーが出る。
> gem install hpricot
Building native extensions. This could take a while...
ERROR: Error installing hpricot:
ERROR: Failed to build gem native extension.
C:/Ruby/bin/ruby.exe extconf.rb
checking for stdio.h... *** 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.
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
--without-make-prog
--srcdir=.
--curdir
--ruby=C:/Ruby/bin/ruby
C:/Ruby/lib/ruby/1.9.1/mkmf.rb:364:in `try_do': The complier failed to generate
an executable file. (RuntimeError)
You have to install development tools first.
from C:/Ruby/lib/ruby/1.9.1/mkmf.rb:433:in `try_cpp'
from C:/Ruby/lib/ruby/1.9.1/mkmf.rb:811:in `block in have_header'
from C:/Ruby/lib/ruby/1.9.1/mkmf.rb:670:in `block in checking_for'
from C:/Ruby/lib/ruby/1.9.1/mkmf.rb:276:in `block (2 levels) in postpone'
from C:/Ruby/lib/ruby/1.9.1/mkmf.rb:250:in `open'
from C:/Ruby/lib/ruby/1.9.1/mkmf.rb:276:in `block in postpone'
from C:/Ruby/lib/ruby/1.9.1/mkmf.rb:250:in `open'
from C:/Ruby/lib/ruby/1.9.1/mkmf.rb:272:in `postpone'
from C:/Ruby/lib/ruby/1.9.1/mkmf.rb:669:in `checking_for'
from C:/Ruby/lib/ruby/1.9.1/mkmf.rb:810:in `have_header'
from extconf.rb:2:in `'
Gem files will remain installed in C:/Ruby/lib/ruby/gems/1.9.1/gems/hpricot-0.8.2 for inspection.
Results logged to C:/Ruby/lib/ruby/gems/1.9.1/gems/hpricot-0.8.2/ext/fast_xs/gem_make.out
検索すると、why the lucky stiff のサイトからソースをダウンロードする方法が見つかったが、これもダメ。
> gem install hpricot --source http://code.whytheluckystiff.net ERROR: http://code.whytheluckystiff.net/ does not appear to be a repository ERROR: Could not find a valid gem 'hpricot' (>= 0) in any repository
結局プラットフォームを指定してやることでインストールに成功した。
> gem install hpricot --platform=mswin32 Successfully installed hpricot-0.8.2-x86-mswin32 1 gem installed Installing ri documentation for hpricot-0.8.2-x86-mswin32... Updating class cache with 0 classes... Installing RDoc documentation for hpricot-0.8.2-x86-mswin32...
