RubyGemsとmechanizeやnicovideoのエラー
onodes@onodes-serv:~$ sudo gem install mechanize
こいつを実行すると
onodes@onodes-serv:~$ sudo gem install mechanize Building native extensions. This could take a while... ERROR: Error installing mechanize: ERROR: Failed to build gem native extension. /usr/bin/ruby1.8 extconf.rb install mechanize checking for iconv.h in /opt/local/include/,/opt/local/include/libxml2,/opt/local/include,/opt/local/include,/opt/local/include/libxml2,/usr/local/include,/usr/local/include/libxml2,/usr/include,/usr/include/libxml2,/usr/include,/usr/include/libxml2... yes checking for libxml/parser.h in /opt/local/include/,/opt/local/include/libxml2,/opt/local/include,/opt/local/include,/opt/local/include/libxml2,/usr/local/include,/usr/local/include/libxml2,/usr/include,/usr/include/libxml2,/usr/include,/usr/include/libxml2... yes checking for libxslt/xslt.h in /opt/local/include/,/opt/local/include/libxml2,/opt/local/include,/opt/local/include,/opt/local/include/libxml2,/usr/local/include,/usr/local/include/libxml2,/usr/include,/usr/include/libxml2,/usr/include,/usr/include/libxml2... no libxslt is missing. try 'port install libxslt' or 'yum install libxslt-devel' *** 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=/usr/bin/ruby1.8 --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 Gem files will remain installed in /var/lib/gems/1.8/gems/nokogiri-1.3.3 for inspection. Results logged to /var/lib/gems/1.8/gems/nokogiri-1.3.3/ext/nokogiri/gem_make.out
といいたようなエラーが出ます.
これの解決方法としてlibxml系があげられます.また
gem install nicovideo に限らずに、mechanizeやjsonでも出るかも?
サーバーはUbuntuを使っていますが、解決方法としては
onodes@onodes-serv:~$ sudo aptitude install libxml2-dev libxslt1-dev
これをやると
onodes@onodes-serv:~$ sudo gem install nicovideo Building native extensions. This could take a while... Building native extensions. This could take a while... Successfully installed nokogiri-1.3.3 Successfully installed mechanize-0.9.3 Successfully installed json-1.1.9 Successfully installed nicovideo-0.1.8 4 gems installed Installing ri documentation for nokogiri-1.3.3... Installing ri documentation for mechanize-0.9.3... Installing ri documentation for json-1.1.9... Installing ri documentation for nicovideo-0.1.8... Installing RDoc documentation for nokogiri-1.3.3... Installing RDoc documentation for mechanize-0.9.3... Installing RDoc documentation for json-1.1.9... Installing RDoc documentation for nicovideo-0.1.8...