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Installing the Ruby driver for DB2 on Mac OS X Snow Leopard

Now that Mac OS X 10.6 is out, it’s time to leave the world of 32 bit computing behind. The pre-installed Ruby interpreter will run in 64 bit mode by default, so you may need to pay attention when installing some C-based gems. The ibm_db Ruby gem for DB2 can easily be installed or updated to the latest available version by following these simple steps:

$ sudo -s
$ export IBM_DB_LIB=/Users/<username>/sqllib/lib64
$ export IBM_DB_INCLUDE=/Users/<username>/sqllib/include
$ export ARCHFLAGS="-arch x86_64"
$ gem install ibm_db

You can verify that the installation was successful my running the following:

$ irb
>> require 'ibm_db.bundle'
=> true

Please let me know if you encounter any issues, I’d be glad to help you.

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One Response to “Installing the Ruby driver for DB2 on Mac OS X Snow Leopard”

  1. Bradley Symons says:

    Yes, I have a problem, when I am running the gem install I am recieving this error:

    Building native extensions. This could take a while…
    ERROR: Error installing ibm_db:
    ERROR: Failed to build gem native extension.

    /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/bin/ruby extconf.rb
    checking for SQLConnect() in -ldb2… no
    checking for SQLConnect() in -ldb2… no
    *** extconf.rb failed ***
    Could not create Makefile due to some reason, probably lack of
    necessary libraries and/or headers. Check the mkmf.log file for more
    details. You may need configuration options.

    Any ideas?

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