当我尝试运行bundler时出错：

Question

bundle install
Fetching gem metadata from https://rubygems.org/........
Fetching gem metadata from https://rubygems.org/..
Using rake (0.9.2.2) 
Using RedCloth (4.2.9) 
Using i18n (0.6.0) 
Using multi_json (1.3.6) 
Using activesupport (3.2.6) 
Using builder (3.0.0) 
Using activemodel (3.2.6) 
Using erubis (2.7.0) 
Using journey (1.0.4) 
Using rack (1.4.1) 
Using rack-cache (1.2) 
Using rack-test (0.6.1) 
Using hike (1.2.1) 
Using tilt (1.3.3) 
Using sprockets (2.1.3) 
Using actionpack (3.2.6) 
Using mime-types (1.19) 
Using polyglot (0.3.3) 
Using treetop (1.4.10) 
Using mail (2.4.4) 
Using actionmailer (3.2.6) 
Using arel (3.0.2) 
Using tzinfo (0.3.33) 
Using activerecord (3.2.6) 
Using activeresource (3.2.6) 
Using bundler (1.1.4) 
Installing nokogiri (1.5.2) with native extensions 
Gem::Installer::ExtensionBuildError: ERROR: Failed to build gem native extension.

    /usr/bin/ruby1.9.1 extconf.rb --use-system-libraries
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 iconv_open() in iconv.h... yes
checking for xmlParseDoc() in -lxml2... yes
checking for xsltParseStylesheetDoc() in -lxslt... yes
checking for exsltFuncRegister() in -lexslt... yes
checking for xmlHasFeature()... 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

make
compiling html_sax_push_parser.c
compiling xslt_stylesheet.c
compiling html_document.c
compiling xml_xpath_context.c
xml_xpath_context.c: In function ‘xpath_generic_exception_handler’:
xml_xpath_context.c:189:3: 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文件将保留在/var/lib/gems/1.9.1/gems/nokogiri-1.5.2中进行检查。 结果记录到/var/lib/gems/1.9.1/gems/nokogiri-1.5.2/ext/nokogiri/gem_make.out

安装nokogiri（1.5.2）时发生错误，Bundler无法继续。 在捆绑之前确保gem install nokogiri -v '1.5.2'成功。