I can install version 2.7, but this old version is required by using bundle install. Anyone can help? dehuang$ sudo gem install libxml-ruby -v ''2.3.3'' Password: Building native extensions. This could take a while... ERROR: Error installing libxml-ruby: ERROR: Failed to build gem native extension. /Users/yihuang/.rvm/rubies/ruby-1.9.3-p194/bin/ruby extconf.rb extconf.rb:17: Use RbConfig instead of obsolete and deprecated Config. checking for socket() in -lsocket... no checking for gethostbyname() in -lnsl... no checking for atan() in -lm... no checking for atan() in -lm... yes checking for inflate() in -lz... yes checking for iconv_open() in -liconv... yes checking for xmlParseDoc() in -lxml2... yes checking for libxml/xmlversion.h... yes creating extconf.h creating Makefile make compiling libxml.c compiling ruby_xml.c compiling ruby_xml_attr.c compiling ruby_xml_attr_decl.c compiling ruby_xml_attributes.c compiling ruby_xml_cbg.c ruby_xml_cbg.c: In function ‘deb_Open’: ruby_xml_cbg.c:50: warning: implicit conversion shortens 64-bit value into a 32-bit value compiling ruby_xml_document.c ruby_xml_document.c: In function ‘rxml_document_canonicalize’: ruby_xml_document.c:259: warning: implicit conversion shortens 64-bit value into a 32-bit value ruby_xml_document.c:303: warning: implicit conversion shortens 64-bit value into a 32-bit value ruby_xml_document.c:334: warning: passing argument 4 of ‘xmlC14NDocDumpMemory’ from incompatible pointer type ruby_xml_document.c:334: warning: implicit conversion shortens 64-bit value into a 32-bit value compiling ruby_xml_dtd.c compiling ruby_xml_encoding.c compiling ruby_xml_error.c compiling ruby_xml_html_parser.c compiling ruby_xml_html_parser_context.c ruby_xml_html_parser_context.c: In function ‘rxml_html_parser_context_string’: ruby_xml_html_parser_context.c:235: warning: implicit conversion shortens 64-bit value into a 32-bit value compiling ruby_xml_html_parser_options.c compiling ruby_xml_input_cbg.c ruby_xml_input_cbg.c: In function ‘ic_open’: ruby_xml_input_cbg.c:49: warning: implicit conversion shortens 64-bit value into a 32-bit value ruby_xml_input_cbg.c: In function ‘input_callbacks_add_scheme’: ruby_xml_input_cbg.c:113: warning: implicit conversion shortens 64-bit value into a 32-bit value compiling ruby_xml_io.c ruby_xml_io.c: In function ‘rxml_read_callback’: ruby_xml_io.c:19: warning: implicit conversion shortens 64-bit value into a 32-bit value compiling ruby_xml_namespace.c compiling ruby_xml_namespaces.c compiling ruby_xml_node.c ruby_xml_node.c: In function ‘rxml_node_new_cdata’: ruby_xml_node.c:151: warning: implicit conversion shortens 64-bit value into a 32-bit value ruby_xml_node.c: In function ‘rxml_node_to_s’: ruby_xml_node.c:622: error: dereferencing pointer to incomplete type ruby_xml_node.c:624: error: dereferencing pointer to incomplete type make: *** [ruby_xml_node.o] Error 1 Gem files will remain installed in /Users/yihuang/.rvm/gems/ruby-1.9.3-p194/gems/libxml-ruby-2.3.3 for inspection. Results logged to /Users/yihuang/.rvm/gems/ruby-1.9.3-p194/gems/libxml-ruby-2.3.3/ext/libxml/gem_make.out -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Core" group. To unsubscribe from this group and stop receiving emails from it, send an email to rubyonrails-core+unsubscribe@googlegroups.com. To post to this group, send email to rubyonrails-core@googlegroups.com. Visit this group at http://groups.google.com/group/rubyonrails-core. For more options, visit https://groups.google.com/groups/opt_out.
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