From: AOKI Yoshihiro <aoki@...>
Date: 2011-08-12T10:38:12+09:00
Subject: [ruby-list:48309] Re: WinXPでnokogiインストール

あおきです。

どう失敗するのかを書き忘れました。下のようなメッセージがでます（ASRも自前1.9.2も同じ）。

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<ruby,p3.1.8>C:\ % gem install nokogiri
Building native extensions.  This could take a while...
ERROR:  Error installing nokogiri:
        ERROR: Failed to build gem native extension.

c:/PROGRA~1/ruby/bin/ruby.exe extconf.rb
checking for libxml/parser.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
        --srcdir=.
        --curdir
        --ruby=c:/PROGRA~1/ruby/bin/ruby
        --with-zlib-dir
        --without-zlib-dir
        --with-zlib-include
        --without-zlib-include=${zlib-dir}/include
        --with-zlib-lib
        --without-zlib-lib=${zlib-dir}/lib
        --with-iconv-dir
        --without-iconv-dir
        --with-iconv-include
        --without-iconv-include=${iconv-dir}/include
        --with-iconv-lib
        --without-iconv-lib=${iconv-dir}/lib
        --with-xml2-dir
        --without-xml2-dir
        --with-xml2-include
        --without-xml2-include=${xml2-dir}/include
        --with-xml2-lib
        --without-xml2-lib=${xml2-dir}/lib
        --with-xslt-dir
        --without-xslt-dir
        --with-xslt-include
        --without-xslt-include=${xslt-dir}/include
        --with-xslt-lib
        --without-xslt-lib=${xslt-dir}/lib
c:/PROGRA~1/ruby/lib/ruby/1.9.1/mkmf.rb:368:in `try_do': The complier failed to generate an executab
le file. (RuntimeError)
You have to install development tools first.
        from c:/PROGRA~1/ruby/lib/ruby/1.9.1/mkmf.rb:446:in `try_compile'
        from c:/PROGRA~1/ruby/lib/ruby/1.9.1/mkmf.rb:853:in `block in find_header'
        from c:/PROGRA~1/ruby/lib/ruby/1.9.1/mkmf.rb:693:in `block in checking_for'
        from c:/PROGRA~1/ruby/lib/ruby/1.9.1/mkmf.rb:280:in `block (2 levels) in postpone'
        from c:/PROGRA~1/ruby/lib/ruby/1.9.1/mkmf.rb:254:in `open'
        from c:/PROGRA~1/ruby/lib/ruby/1.9.1/mkmf.rb:280:in `block in postpone'
        from c:/PROGRA~1/ruby/lib/ruby/1.9.1/mkmf.rb:254:in `open'
        from c:/PROGRA~1/ruby/lib/ruby/1.9.1/mkmf.rb:276:in `postpone'
        from c:/PROGRA~1/ruby/lib/ruby/1.9.1/mkmf.rb:692:in `checking_for'
        from c:/PROGRA~1/ruby/lib/ruby/1.9.1/mkmf.rb:852:in `find_header'
        from extconf.rb:96:in `<main>'


Gem files will remain installed in c:/PROGRA~1/ruby/lib/ruby/gems/1.9.1/gems/nokogiri-1.5.0 for insp
ection.
Results logged to c:/PROGRA~1/ruby/lib/ruby/gems/1.9.1/gems/nokogiri-1.5.0/ext/nokogiri/gem_make.out

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青木