Just a success report: lxml 0.6 compiles (and tests) OK on Tiger (Mac OS X 10.4.1), using the stock versions of libxml2 and libxslt: $ otool -L /usr/local/lib/python2.3/site-packages/lxml/etree.so /usr/local/lib/python2.3/site-packages/lxml/etree.so: /usr/lib/libxml2.2.dylib (compatibility version 9.0.0, current version 9.16.0) /usr/lib/libxslt.1.dylib (compatibility version 3.0.0, current version 3.11.0) /usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current version 88.0.0) $ xsltproc --version Using libxml 20616, libxslt 10111 and libexslt 809 xsltproc was compiled against libxml 20616, libxslt 10111 and libexslt 809 libxslt 10111 was compiled against libxml 20616 libexslt 809 was compiled against libxml 20616 Note that libxslt is 1.1.11, not the recommended 1.1.12 in INSTALL.txt. Should I expect problems ? Florent -- Florent Guillaume, Nuxeo (Paris, France) CTO, Director of R&D +33 1 40 33 71 59 http://nuxeo.com fg@nuxeo.com