http://www.perlmonks.org?node_id=760678


in reply to Re^2: Benchmarks of XML Parsers
in thread Benchmarks of XML Parsers

Not sure, I would check with ldd 
#!/usr/bin/perl --

use strict;
use warnings;

use XML::LibXML;
use XML::Parser;

for my $so( grep /xml/i, @DynaLoader::dl_shared_objects ){
  print "$so\n";
  print `ldd $so\n`;
}
__END__

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Re^4: Benchmarks of XML Parsers
by ikegami (Patriarch) on Apr 28, 2009 at 17:46 UTC

    [ You linked to the Lego Digital Designer *giggle* ]

    That array is empty (!?), confirmed with Data::Dumper.

    Update: There appears to be a line missing from my install of DynaLoader (!!!). Once I added it, I got: 

    /usr/lib/perl5/auto/XML/LibXML/Common/Common.so
        linux-gate.so.1 =>  (0xffffe000)
        libxml2.so.2 => /usr/lib/libxml2.so.2 (0xb7ded000)
        libz.so.1 => /usr/lib/libz.so.1 (0xb7dd9000)
        libpthread.so.0 => /lib/tls/i686/cmov/libpthread.so.0 (0xb7dc7
+000)
        libm.so.6 => /lib/tls/i686/cmov/libm.so.6 (0xb7da2000)
        libc.so.6 => /lib/tls/i686/cmov/libc.so.6 (0xb7c71000)
        libdl.so.2 => /lib/tls/i686/cmov/libdl.so.2 (0xb7c6d000)
        /lib/ld-linux.so.2 (0x80000000)
/home/ikegami/lib/perl5/i486-linux-gnu-thread-multi/auto/XML/LibXML/Li
+bXML.so
        linux-gate.so.1 =>  (0xffffe000)
        libxml2.so.2 => /usr/lib/libxml2.so.2 (0xb7df4000)
        libm.so.6 => /lib/tls/i686/cmov/libm.so.6 (0xb7dbd000)
        libc.so.6 => /lib/tls/i686/cmov/libc.so.6 (0xb7c8c000)
        libdl.so.2 => /lib/tls/i686/cmov/libdl.so.2 (0xb7c88000)
        libz.so.1 => /usr/lib/libz.so.1 (0xb7c74000)
        /lib/ld-linux.so.2 (0x80000000)
/usr/lib/perl5/auto/XML/Parser/Expat/Expat.so
        linux-gate.so.1 =>  (0xffffe000)
        libexpat.so.1 => /usr/lib/libexpat.so.1 (0xb7f40000)
        libc.so.6 => /lib/tls/i686/cmov/libc.so.6 (0xb7e0f000)
        libpthread.so.0 => /lib/tls/i686/cmov/libpthread.so.0 (0xb7dfd
+000)
        /lib/ld-linux.so.2 (0x80000000)

    [download]

    That doesn't seem to include any version info?

    Update: The bug was fixed in DynaLoader 1.05 which comes with Perl 5.8.{4,5,6,7,8,9}. I'm using Perl 5.8.8, but DynaLoader is just 1.04. WTF?!

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