当我运行bundle install它时停止：
Installing nokogiri (1.4.3.1) with native extensions
Gem::Installer::ExtensionBuildError: ERROR: Failed to build gem native extension.
我尝试使用“ Installing Nokogiri ”手动安装它，但这确实对我有利。
我需要改变什么吗？
/usr/bin/ruby1.9.1 extconf.rb'
extconf.rb:10: Use RbConfig instead of obsolete and deprecated Config.
checking for libxml/parser.h... yes
checking for libxslt/xslt.h... yes
checking for libexslt/exslt.h... yes
checking for xmlParseDoc() in -lxml2... yes
checking for xsltParseStylesheetDoc() in -lxslt... yes
checking for exsltFuncRegister() in -lexslt... yes
checking for xmlFirstElementChild()... yes
checking for xmlRelaxNGSetParserStructuredErrors()... yes
checking for xmlRelaxNGSetParserStructuredErrors()... yes
checking for xmlRelaxNGSetValidStructuredErrors()... yes
checking for xmlSchemaSetValidStructuredErrors()... yes
checking for xmlSchemaSetParserStructuredErrors()... yes
creating Makefile
或这个：
make
compiling xml_dtd.c
compiling xml_entity_reference.c
compiling xml_sax_parser_context.c
compiling xml_attribute_decl.c
compiling xml_schema.c
compiling xml_processing_instruction.c
compiling xml_cdata.c
compiling xml_xpath_context.c
xml_xpath_context.c: In function ‘xpath_generic_exception_handler’:
xml_xpath_context.c:154:3: error: format not a string literal and no format arguments [- Werror=format-security]
cc1: some warnings being treated as errors
make: *** [xml_xpath_context.o] Error 1
Gem files will remain installed in /home/virinchy/.bundler/tmp/10048/gems/nokogiri- 1.4.3.1 for inspection.
Results logged to /home/virinchy/.bundler/tmp/10048/gems/nokogiri- 1.4.3.1/ext/nokogiri/gem_make.out
An error occured while installing nokogiri (1.4.3.1), and Bundler cannot continue.
Make sure that `gem install nokogiri -v '1.4.3.1'` succeeds before bundling.'