执行’bundle install’时出现此错误： @H_403_2@.......... Installing libxml-ruby (2.7.0) Gem::Installer::ExtensionBuildError: ERROR: Failed to build gem native extension. /home/ubuntu/.rvm/rubies/ruby-1.8.7-p374/bin/ruby extconf.rb checking for socket() in -lsocket... no checking for gethostbyname() in -lnsl... yes checking for atan() in -lm... no checking for atan() in -lm... yes checking for inflate() in -lz... yes checking for iconv_open() in -liconv... no checking for libiconv_open() in -liconv... no checking for libiconv_open() in -llibiconv... no checking for iconv_open() in -llibiconv... no checking for iconv_open() in -lc... yes checking for xmlParseDoc() in -lxml2... no checking for xmlParseDoc() in -llibxml2... no checking for xmlParseDoc() in -lxml2... no *** 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=/home/ubuntu/.rvm/rubies/ruby-1.8.7-p374/bin/ruby --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-zlib-dir --without-zlib-dir --with-zlib-include --without-zlib-include=${zlib-dir}/include --with-zlib-lib --without-zlib-lib=${zlib-dir}/lib --with-socketlib --without-socketlib --with-nsllib --without-nsllib --with-mlib --without-mlib --with-mlib --without-mlib --with-zlib --without-zlib --with-iconvlib --without-iconvlib --with-iconvlib --without-iconvlib --with-libiconvlib --without-libiconvlib --with-libiconvlib --without-libiconvlib --with-clib --without-clib --with-xml2-config --without-xml2-config --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-xml2lib --without-xml2lib --with-libxml2lib --without-libxml2lib --with-xml2lib --without-xml2lib extconf failure: need libxml2. Install the library or try one of the following options to extconf.rb: --with-xml2-config=/path/to/xml2-config --with-xml2-dir=/path/to/libxml2 --with-xml2-lib=/path/to/libxml2/lib --with-xml2-include=/path/to/libxml2/include Gem files will remain installed in /home/ubuntu/.rvm/gems/ruby-1.8.7-p374@ieasy/gems/libxml-ruby-2.7.0 for inspection. Results logged to /home/ubuntu/.rvm/gems/ruby-1.8.7-p374@ieasy/gems/libxml-ruby-2.7.0/ext/libxml/gem_make.out An error occurred while installing libxml-ruby (2.7.0),and Bundler cannot continue. Make sure that `gem install libxml-ruby -v '2.7.0'` succeeds before bundling.

不确定这里有什么问题.这是在我的另一个盒子上使用相同的ruby和rails版本.

一直试图弄清楚但没有运气.

请帮忙. ：( .. 谢谢！