安装 nokogiri 时问题处理

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Ruby rubygems Python HTML

# bundle install
=================================================================================================================
Installing nokogiri (1.4.4) with native extensions /opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/site_ruby/1.8/rubygems/installer.rb:483:in `build_extensions': ERROR: Failed to build gem native extension. (Gem::Installer::ExtensionBuildError)

/opt/ruby-enterprise-1.8.7-2010.02/bin/ruby extconf.rb
checking for libxml/parser.h... no
-----
libxml2 is missing. please visit http://nokogiri.org/tutorials/installing_nokogiri.html for help with installing dependencies.
-----

原因：缺少libxml2-devel这个包
# rpm -qa |grep libxml
libxml2-2.6.26-2.1.2
libxml2-python-2.6.26-2.1.2

//原因是没有安装libxml2-devel这个包，

解决：
# rpm -ivh /media/CDROM/Server/libxml2-devel-2.6.26-2.1.2.i386.rpm
warning: libxml2-devel-2.6.26-2.1.2.i386.rpm: Header V3 DSA signature: NOKEY, key ID 37017186
Preparing...                ########################################### [100%]
   1:libxml2-devel          ########################################### [100%]

=================================================================================================================
Installing nokogiri (1.4.4) with native extensions /opt/ruby-enterprise-1.8.7-2010.02/lib/ruby/site_ruby/1.8/rubygems/installer.rb:483:in `build_extensions': ERROR: Failed to build gem native extension. (Gem::Installer::ExtensionBuildError)

/opt/ruby-enterprise-1.8.7-2010.02/bin/ruby extconf.rb
checking for libxml/parser.h... yes
checking for libxslt/xslt.h... no
-----
libxslt is missing. please visit http://nokogiri.org/tutorials/installing_nokogiri.html for help with installing dependencies.
-----

原因：缺少libxslt-devel这个包
# rpm -qa |grep libxslt
libxslt-1.1.17-2

//原因是没有安装libxml2-devel这个包，

解决：
# rpm -ivh libxslt-devel-1.1.17-2.i386.rpm
warning: libxslt-devel-1.1.17-2.i386.rpm: Header V3 DSA signature: NOKEY, key ID 37017186
error: Failed dependencies:
        libgcrypt-devel is needed by libxslt-devel-1.1.17-2.i386

# rpm -ivh libgpg-error-devel-1.4-2.i386.rpm libgcrypt-devel-1.2.3-1.i386.rpm
warning: libgpg-error-devel-1.4-2.i386.rpm: Header V3 DSA signature: NOKEY, key ID 37017186
Preparing...                ########################################### [100%]
   1:libgpg-error-devel     ########################################### [ 50%]
   2:libgcrypt-devel        ########################################### [100%]

# rpm -ivh libxslt-devel-1.1.17-2.i386.rpm
warning: libxslt-devel-1.1.17-2.i386.rpm: Header V3 DSA signature: NOKEY, key ID 37017186
Preparing...                ########################################### [100%]
   1:libxslt-devel          ########################################### [100%]

=================================================================================================================

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