rubyinstaller.org/downloads から入手した DevKit で問題が発生しています。https://github.com/oneclick/rubyinstaller/wiki/development-kitの指示に従っています。実行してインストールをテストするとgem install rdiscount --platform=ruby
、次のようになります。
C:\DevKit>gem install rdiscount --platform=ruby
Temporarily enhancing PATH to include DevKit...
Building native extensions. This could take a while...
ERROR: Error installing rdiscount:
ERROR: Failed to build gem native extension.
"C:/Program Files/ruby-1.9.2/bin/ruby.exe" extconf.rb
checking for random()... *** 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:/Program Files/ruby-1.9.2/bin/ruby
--with-rdiscount-dir
--without-rdiscount-dir
--with-rdiscount-include
--without-rdiscount-include=${rdiscount-dir}/include
--with-rdiscount-lib
--without-rdiscount-lib=${rdiscount-dir}/lib
C:/Program Files/ruby-1.9.2/lib/ruby/1.9.1/mkmf.rb:368:in `try_do': The complier
failed to generate an executable file. (RuntimeError)
You have to install development tools first.
from C:/Program Files/ruby-1.9.2/lib/ruby/1.9.1/mkmf.rb:435:in `try_link
0'
from C:/Program Files/ruby-1.9.2/lib/ruby/1.9.1/mkmf.rb:440:in `try_link
'
from C:/Program Files/ruby-1.9.2/lib/ruby/1.9.1/mkmf.rb:552:in `try_func
'
from C:/Program Files/ruby-1.9.2/lib/ruby/1.9.1/mkmf.rb:797:in `block in
have_func'
from C:/Program Files/ruby-1.9.2/lib/ruby/1.9.1/mkmf.rb:693:in `block in
checking_for'
from C:/Program Files/ruby-1.9.2/lib/ruby/1.9.1/mkmf.rb:280:in `block (2
levels) in postpone'
from C:/Program Files/ruby-1.9.2/lib/ruby/1.9.1/mkmf.rb:254:in `open'
from C:/Program Files/ruby-1.9.2/lib/ruby/1.9.1/mkmf.rb:280:in `block in
postpone'
from C:/Program Files/ruby-1.9.2/lib/ruby/1.9.1/mkmf.rb:254:in `open'
from C:/Program Files/ruby-1.9.2/lib/ruby/1.9.1/mkmf.rb:276:in `postpone
'
from C:/Program Files/ruby-1.9.2/lib/ruby/1.9.1/mkmf.rb:692:in `checking
_for'
from C:/Program Files/ruby-1.9.2/lib/ruby/1.9.1/mkmf.rb:796:in `have_fun
c'
from extconf.rb:5:in `<main>'
Gem files will remain installed in C:/Program Files/ruby-1.9.2/lib/ruby/gems/1.9
.1/gems/rdiscount-2.0.7 for inspection.
Results logged to C:/Program Files/ruby-1.9.2/lib/ruby/gems/1.9.1/gems/rdiscount
-2.0.7/ext/gem_make.out
さらに情報が必要な場合はお知らせください。ありがとう!