From: Ross Bamford <rossrt@...>
Date: 2006-09-28T20:40:25+09:00
Subject: Re: Installing libxml on osx as Gem

On Thu, 2006-09-28 at 12:35 +0900, nicholas.henry wrote:
> I'm trying to install libxml on osx as a gem (Ruby 1.8.2). Any ideas on
> how to resolve these issues? (please see output below)
> 
> Thank you,
> Nicholas
> 
> Attempting local installation of 'libxml'
> Local gem file not found: libxml*.gem
> Attempting remote installation of 'libxml'
> Building native extensions.  This could take a while...
> extconf.rb:64: undefined method `find_header' for main:Object
> (NoMethodError)
> ERROR:  While executing gem ... (RuntimeError)
>     ERROR: Failed to build gem native extension.
> Gem files will remain installed in
> /usr/local/lib/ruby/gems/1.8/gems/libxml-ruby-0.3.8 for inspection.
>   ruby extconf.rb install libxml\nchecking 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... no
> 

Hmm, find_header should be defined by mkmf, so I don't understand what's
going on there. Maybe it's something to do with OSX - has anyone else
seen this?

Anyway, could you post up your ruby version? Also, the results of
running this:

$ ruby -rmkmf -e 'find_header("libxml/xmlversion.h", "/usr/include/libxml2")'

Thanks,
-- 
Ross Bamford - rosco@roscopeco.REMOVE.co.uk