From: Mikael Larsson <mikael.x.larsson@...2.se>
Date: 2006-03-11T18:22:24+09:00
Subject: Re: gem + libxml

Ross Bamford wrote:
> On Sat, 2006-03-11 at 05:45 +0900, Mikael Larsson wrote:
>   
>> Hi
>>
>> Wat is wrong here ?? Do I need ruby source?
>>
>> linux:~ #
>> linux:~ # ruby -v
>> ruby 1.8.2 (2004-12-25) [i586-linux]
>> linux:~ # gem -v
>> 0.8.11
>> linux:~ # gem install libxml-ruby
>> Attempting local installation of 'libxml-ruby'
>> Local gem file not found: libxml-ruby*.gem
>> Attempting remote installation of 'libxml-ruby'
>> Building native extensions.  This could take a while...
>> can't find header files for ruby.
>> ERROR:  While executing gem ... (RuntimeError)
>>     ERROR: Failed to build gem native extension.
>> Gem files will remain installed in 
>> /usr/lib/ruby/gems/1.8/gems/libxml-ruby-0.3.6 for inspection.
>>   ruby extconf.rb install libxml-ruby\n
>>
>> Results logged to 
>> /usr/lib/ruby/gems/1.8/gems/libxml-ruby-0.3.6/ext/xml/gem_make.out
>> linux:~ # cat 
>> /usr/lib/ruby/gems/1.8/gems/libxml-ruby-0.3.6/ext/xml/gem_make.out
>> ruby extconf.rb install libxml-ruby
>> linux:~ #micke@linux:~/dvl/nexus/nexpre> ll /usr/lib/ruby/1.8/i586-linux/
>> total 864
>> -rwxr-xr-x  1 root root  39492 2006-01-26 15:02 bigdecimal.so
>> -rwxr-xr-x  1 root root  43408 2006-01-26 15:02 curses.so
>> -rwxr-xr-x  1 root root  17212 2006-01-26 15:02 dbm.so
>> drwxr-xr-x  2 root root    152 2006-03-03 09:30 digest
>> -rwxr-xr-x  1 root root   7236 2006-01-26 15:02 digest.so
>> -rwxr-xr-x  1 root root  72872 2006-01-26 15:02 dl.so
>> -rwxr-xr-x  1 root root   6904 2006-01-26 15:02 enumerator.so
>> -rwxr-xr-x  1 root root   8144 2006-01-26 15:02 etc.so
>> -rwxr-xr-x  1 root root   4364 2006-01-26 15:02 fcntl.so
>> -rwxr-xr-x  1 root root  18552 2006-01-26 15:02 gdbm.so
>> -rwxr-xr-x  1 root root  13036 2006-01-26 15:02 iconv.so
>> drwxr-xr-x  2 root root     72 2006-03-03 09:30 io
>> -rwxr-xr-x  1 root root 135712 2006-01-26 15:02 nkf.so
>> -rwxr-xr-x  1 root root 217928 2006-01-26 15:02 openssl.so
>> -rwxr-xr-x  1 root root   8960 2006-01-26 15:02 pty.so
>> drwxr-xr-x  2 root root     80 2006-03-03 09:30 racc
>> -rw-r--r--  1 root root   6619 2006-01-26 15:00 rbconfig.rb
>> -rwxr-xr-x  1 root root  14972 2006-01-26 15:02 readline.so
>> -rwxr-xr-x  1 root root  22940 2006-01-26 15:02 sdbm.so
>> -rwxr-xr-x  1 root root  35688 2006-01-26 15:02 socket.so
>> -rwxr-xr-x  1 root root  16708 2006-01-26 15:02 stringio.so
>> -rwxr-xr-x  1 root root  15552 2006-01-26 15:02 strscan.so
>> -rwxr-xr-x  1 root root  89536 2006-01-26 15:02 syck.so
>> -rwxr-xr-x  1 root root  10560 2006-01-26 15:02 syslog.so
>> -rwxr-xr-x  1 root root  33008 2006-01-26 15:02 zlib.so
>>
>>     
>
> Hmm, I think that the Ruby headers should always be installed, in your
> case it looks like they should be at:
>
> 	/usr/lib/ruby/1.8/i586-linux/
>
> Could you verify the presence (or absence) of a bunch of .h files at
> that location? If they're not there, then you should probably grab a new
> Ruby install (is this one a package from your distro?).
>
>   
found this
micke@linux:~/dvl/nexus/nexpre> ll /usr/lib/ruby/1.8/i586-linux/
total 864
-rwxr-xr-x  1 root root  39492 2006-01-26 15:02 bigdecimal.so
-rwxr-xr-x  1 root root  43408 2006-01-26 15:02 curses.so
-rwxr-xr-x  1 root root  17212 2006-01-26 15:02 dbm.so
drwxr-xr-x  2 root root    152 2006-03-03 09:30 digest
-rwxr-xr-x  1 root root   7236 2006-01-26 15:02 digest.so
-rwxr-xr-x  1 root root  72872 2006-01-26 15:02 dl.so
-rwxr-xr-x  1 root root   6904 2006-01-26 15:02 enumerator.so
-rwxr-xr-x  1 root root   8144 2006-01-26 15:02 etc.so
-rwxr-xr-x  1 root root   4364 2006-01-26 15:02 fcntl.so
-rwxr-xr-x  1 root root  18552 2006-01-26 15:02 gdbm.so
-rwxr-xr-x  1 root root  13036 2006-01-26 15:02 iconv.so
drwxr-xr-x  2 root root     72 2006-03-03 09:30 io
-rwxr-xr-x  1 root root 135712 2006-01-26 15:02 nkf.so
-rwxr-xr-x  1 root root 217928 2006-01-26 15:02 openssl.so
-rwxr-xr-x  1 root root   8960 2006-01-26 15:02 pty.so
drwxr-xr-x  2 root root     80 2006-03-03 09:30 racc
-rw-r--r--  1 root root   6619 2006-01-26 15:00 rbconfig.rb
-rwxr-xr-x  1 root root  14972 2006-01-26 15:02 readline.so
-rwxr-xr-x  1 root root  22940 2006-01-26 15:02 sdbm.so
-rwxr-xr-x  1 root root  35688 2006-01-26 15:02 socket.so
-rwxr-xr-x  1 root root  16708 2006-01-26 15:02 stringio.so
-rwxr-xr-x  1 root root  15552 2006-01-26 15:02 strscan.so
-rwxr-xr-x  1 root root  89536 2006-01-26 15:02 syck.so
-rwxr-xr-x  1 root root  10560 2006-01-26 15:02 syslog.so
-rwxr-xr-x  1 root root  33008 2006-01-26 15:02 zlib.so

Ruby comes with distro ( SUSE 10)

//Mike