Hi, Firstly -- thanks to Masashi Shimbo for his patch and advice.
Here's a transcript of my installation process. Apologies for such a long post! With a clean gem install and the following process things seem to work if I do a 'require "xml/libxml_so"'. On OS/X and Ubuntu though I was able to get things working with an extra "make install" and can use 'require "xml/libxml" instead. I'm not sure why my Centos installation is like this, although it may be needed libraries in non-standard places. ----------------- basic gem install ------------------------------- $ sudo gem install libxml-ruby Need to update 5 gems from http://gems.rubyforge.org ..... complete Building native extensions. This could take a while... Makefile:116: warning: overriding commands for target `/opt/ruby-1.8.4/lib/ruby/gems/1.8/gems/libxml-ruby-0.3.8/ext/xml' Makefile:114: warning: ignoring old commands for target `/opt/ruby-1.8.4/lib/ruby/gems/1.8/gems/libxml-ruby-0.3.8/ext/xml' Makefile:116: warning: overriding commands for target `/opt/ruby-1.8.4/lib/ruby/gems/1.8/gems/libxml-ruby-0.3.8/ext/xml' Makefile:114: warning: ignoring old commands for target `/opt/ruby-1.8.4/lib/ruby/gems/1.8/gems/libxml-ruby-0.3.8/ext/xml' Makefile:116: warning: overriding commands for target `/opt/ruby-1.8.4/lib/ruby/gems/1.8/gems/libxml-ruby-0.3.8/ext/xml' Makefile:114: warning: ignoring old commands for target `/opt/ruby-1.8.4/lib/ruby/gems/1.8/gems/libxml-ruby-0.3.8/ext/xml' ruby extconf.rb install libxml-ruby 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 iconv_open() in -lc... yes checking for xmlParseDoc() in -lxml2... yes checking for libxml/xmlversion.h... no checking for libxml/xmlversion.h... yes checking for xmlDocFormatDump() in -lxml2... yes checking for docbCreateFileParserCtxt()... yes creating extconf.h creating Makefile make gcc -fPIC -g -O2 -Wall -I. -I/usr/include/libxml2 -I. -I/opt/ruby-1.8.4/lib/ruby/1.8/x86_64-linux -I/opt/ruby-1.8.4/lib/ruby/1.8/x86_64-linux -I. -DHAVE_ZLIB_H -DHAVE_DOCBCREATEFILEPARSERCTXT -c ruby_xml_parser_context.c gcc -fPIC -g -O2 -Wall -I. -I/usr/include/libxml2 -I. -I/opt/ruby-1.8.4/lib/ruby/1.8/x86_64-linux -I/opt/ruby-1.8.4/lib/ruby/1.8/x86_64-linux -I. -DHAVE_ZLIB_H -DHAVE_DOCBCREATEFILEPARSERCTXT -c ruby_xml_sax_parser.c gcc -fPIC -g -O2 -Wall -I. -I/usr/include/libxml2 -I. -I/opt/ruby-1.8.4/lib/ruby/1.8/x86_64-linux -I/opt/ruby-1.8.4/lib/ruby/1.8/x86_64-linux -I. -DHAVE_ZLIB_H -DHAVE_DOCBCREATEFILEPARSERCTXT -c ruby_xml_xpath.c gcc -fPIC -g -O2 -Wall -I. -I/usr/include/libxml2 -I. -I/opt/ruby-1.8.4/lib/ruby/1.8/x86_64-linux -I/opt/ruby-1.8.4/lib/ruby/1.8/x86_64-linux -I. -DHAVE_ZLIB_H -DHAVE_DOCBCREATEFILEPARSERCTXT -c ruby_xml_schema.c gcc -fPIC -g -O2 -Wall -I. -I/usr/include/libxml2 -I. -I/opt/ruby-1.8.4/lib/ruby/1.8/x86_64-linux -I/opt/ruby-1.8.4/lib/ruby/1.8/x86_64-linux -I. -DHAVE_ZLIB_H -DHAVE_DOCBCREATEFILEPARSERCTXT -c ruby_xml_ns.c gcc -fPIC -g -O2 -Wall -I. -I/usr/include/libxml2 -I. -I/opt/ruby-1.8.4/lib/ruby/1.8/x86_64-linux -I/opt/ruby-1.8.4/lib/ruby/1.8/x86_64-linux -I. -DHAVE_ZLIB_H -DHAVE_DOCBCREATEFILEPARSERCTXT -c ruby_xml_document.c gcc -fPIC -g -O2 -Wall -I. -I/usr/include/libxml2 -I. -I/opt/ruby-1.8.4/lib/ruby/1.8/x86_64-linux -I/opt/ruby-1.8.4/lib/ruby/1.8/x86_64-linux -I. -DHAVE_ZLIB_H -DHAVE_DOCBCREATEFILEPARSERCTXT -c ruby_xml_attr.c gcc -fPIC -g -O2 -Wall -I. -I/usr/include/libxml2 -I. -I/opt/ruby-1.8.4/lib/ruby/1.8/x86_64-linux -I/opt/ruby-1.8.4/lib/ruby/1.8/x86_64-linux -I. -DHAVE_ZLIB_H -DHAVE_DOCBCREATEFILEPARSERCTXT -c ruby_xml_xpath_context.c gcc -fPIC -g -O2 -Wall -I. -I/usr/include/libxml2 -I. -I/opt/ruby-1.8.4/lib/ruby/1.8/x86_64-linux -I/opt/ruby-1.8.4/lib/ruby/1.8/x86_64-linux -I. -DHAVE_ZLIB_H -DHAVE_DOCBCREATEFILEPARSERCTXT -c cbg.c gcc -fPIC -g -O2 -Wall -I. -I/usr/include/libxml2 -I. -I/opt/ruby-1.8.4/lib/ruby/1.8/x86_64-linux -I/opt/ruby-1.8.4/lib/ruby/1.8/x86_64-linux -I. -DHAVE_ZLIB_H -DHAVE_DOCBCREATEFILEPARSERCTXT -c ruby_xml_node.c gcc -fPIC -g -O2 -Wall -I. -I/usr/include/libxml2 -I. -I/opt/ruby-1.8.4/lib/ruby/1.8/x86_64-linux -I/opt/ruby-1.8.4/lib/ruby/1.8/x86_64-linux -I. -DHAVE_ZLIB_H -DHAVE_DOCBCREATEFILEPARSERCTXT -c ruby_xml_dtd.c gcc -fPIC -g -O2 -Wall -I. -I/usr/include/libxml2 -I. -I/opt/ruby-1.8.4/lib/ruby/1.8/x86_64-linux -I/opt/ruby-1.8.4/lib/ruby/1.8/x86_64-linux -I. -DHAVE_ZLIB_H -DHAVE_DOCBCREATEFILEPARSERCTXT -c ruby_xml_node_set.c gcc -fPIC -g -O2 -Wall -I. -I/usr/include/libxml2 -I. -I/opt/ruby-1.8.4/lib/ruby/1.8/x86_64-linux -I/opt/ruby-1.8.4/lib/ruby/1.8/x86_64-linux -I. -DHAVE_ZLIB_H -DHAVE_DOCBCREATEFILEPARSERCTXT -c ruby_xml_parser.c gcc -fPIC -g -O2 -Wall -I. -I/usr/include/libxml2 -I. -I/opt/ruby-1.8.4/lib/ruby/1.8/x86_64-linux -I/opt/ruby-1.8.4/lib/ruby/1.8/x86_64-linux -I. -DHAVE_ZLIB_H -DHAVE_DOCBCREATEFILEPARSERCTXT -c ruby_xml_tree.c gcc -fPIC -g -O2 -Wall -I. -I/usr/include/libxml2 -I. -I/opt/ruby-1.8.4/lib/ruby/1.8/x86_64-linux -I/opt/ruby-1.8.4/lib/ruby/1.8/x86_64-linux -I. -DHAVE_ZLIB_H -DHAVE_DOCBCREATEFILEPARSERCTXT -c libxml.c gcc -fPIC -g -O2 -Wall -I. -I/usr/include/libxml2 -I. -I/opt/ruby-1.8.4/lib/ruby/1.8/x86_64-linux -I/opt/ruby-1.8.4/lib/ruby/1.8/x86_64-linux -I. -DHAVE_ZLIB_H -DHAVE_DOCBCREATEFILEPARSERCTXT -c ruby_xml_attribute.c gcc -fPIC -g -O2 -Wall -I. -I/usr/include/libxml2 -I. -I/opt/ruby-1.8.4/lib/ruby/1.8/x86_64-linux -I/opt/ruby-1.8.4/lib/ruby/1.8/x86_64-linux -I. -DHAVE_ZLIB_H -DHAVE_DOCBCREATEFILEPARSERCTXT -c ruby_xml_xpointer_context.c gcc -fPIC -g -O2 -Wall -I. -I/usr/include/libxml2 -I. -I/opt/ruby-1.8.4/lib/ruby/1.8/x86_64-linux -I/opt/ruby-1.8.4/lib/ruby/1.8/x86_64-linux -I. -DHAVE_ZLIB_H -DHAVE_DOCBCREATEFILEPARSERCTXT -c ruby_xml_input_cbg.c gcc -fPIC -g -O2 -Wall -I. -I/usr/include/libxml2 -I. -I/opt/ruby-1.8.4/lib/ruby/1.8/x86_64-linux -I/opt/ruby-1.8.4/lib/ruby/1.8/x86_64-linux -I. -DHAVE_ZLIB_H -DHAVE_DOCBCREATEFILEPARSERCTXT -c ruby_xml_xinclude.c gcc -fPIC -g -O2 -Wall -I. -I/usr/include/libxml2 -I. -I/opt/ruby-1.8.4/lib/ruby/1.8/x86_64-linux -I/opt/ruby-1.8.4/lib/ruby/1.8/x86_64-linux -I. -DHAVE_ZLIB_H -DHAVE_DOCBCREATEFILEPARSERCTXT -c ruby_xml_xpointer.c gcc -shared -rdynamic -Wl,-export-dynamic -L'/opt/ruby-1.8.4/lib' -Wl,-R'/opt/ruby-1.8.4/lib' -L'/opt/ruby-1.8.4/lib' -Wl,-R'/opt/ruby-1.8.4/lib' -o libxml_so.so ruby_xml_parser_context.o ruby_xml_sax_parser.o ruby_xml_xpath.o ruby_xml_schema.o ruby_xml_ns.o ruby_xml_document.o ruby_xml_attr.o ruby_xml_xpath_context.o cbg.o ruby_xml_node.o ruby_xml_dtd.o ruby_xml_node_set.o ruby_xml_parser.o ruby_xml_tree.o libxml.o ruby_xml_attribute.o ruby_xml_xpointer_context.o ruby_xml_input_cbg.o ruby_xml_xinclude.o ruby_xml_xpointer.o -lxml2 -lxml2 -lc -lz -lm -lnsl -ldl -lcrypt -lm -lc make install make: Nothing to be done for `install'. make clean Successfully installed libxml-ruby-0.3.8 Installing ri documentation for libxml-ruby-0.3.8... ... ----------------- check gem status -------------------------- $ gem check -t libxml-ruby EXPECTING: TWO ERRORS: Entity: line 1: parser error : Opening and ending tag mismatch: foo line 1 and foz <foo><bar/></foz> ^ Entity: line 1: parser error : Opening and ending tag mismatch: foo line 1 and foz <foo><bar/></foz> ^ ----------------- apply patch ------------------------------- $ patch -d libxml-ruby-0.3.8 -p1 < fix.patch patching file ext/xml/extconf.rb patching file ext/xml/libxml.rb patching file lib/xml/libxml.rb patching file Rakefile ----------------- re-run make ------------------------------- $ cd libxml-ruby-0.3.8/ext/xml $ sudo make install Makefile:116: warning: overriding commands for target `/opt/ruby-1.8.4/lib/ruby/gems/1.8/gems/libxml-ruby-0.3.8/ext/xml' Makefile:114: warning: ignoring old commands for target `/opt/ruby-1.8.4/lib/ruby/gems/1.8/gems/libxml-ruby-0.3.8/ext/xml' make: *** No rule to make target `../xml/libxml.rb', needed by `/opt/ruby-1.8.4/lib/ruby/gems/1.8/gems/libxml-ruby-0.3.8/ext/xml/libxml.rb'. Stop. ----------------- try Rake install instead -------------------- $ sudo rake install (in /opt/ruby-1.8.4/lib/ruby/gems/1.8/gems/libxml-ruby-0.3.8) /opt/ruby-1.8.4/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 iconv_open() in -lc... yes checking for xmlParseDoc() in -lxml2... yes checking for libxml/xmlversion.h... no checking for libxml/xmlversion.h... yes checking for xmlDocFormatDump() in -lxml2... yes checking for docbCreateFileParserCtxt()... yes creating extconf.h creating Makefile make: Nothing to be done for `all'. /usr/bin/install -c -m 0755 libxml_so.so /opt/ruby-1.8.4/lib/ruby/site_ruby/1.8/x86_64-linux/xml ----------------- try using it --------------------------------- $ irb >> require "rubygems" => true >> require "xml/libxml" LoadError: no such file to load -- xml/libxml from /opt/ruby-1.8.4/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in `gem_original_require' from /opt/ruby-1.8.4/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in `require' from (irb):2 >> require "xml/libxml_so" => true TIA, Stu _______________________________________________ libxml-devel mailing list libxml-devel@rubyforge.org http://rubyforge.org/mailman/listinfo/libxml-devel
