[Rubyinstaller-devel] MingW VS VS6

Mike Hodgson mhodgson at gmail.com
Thu Aug 7 11:49:04 EDT 2008


On Thu, Aug 7, 2008 at 9:58 AM, Luis Lavena <luislavena at gmail.com> wrote:
> On Thu, Aug 7, 2008 at 3:47 PM, Fabio Akita <fabioakita at gmail.com> wrote:
>> I've been recommending people to use the newest Ruby Installer, which uses
>> MingW to build itself but install the old VS6 compiled gems (such as
>> sqlite3-ruby), mainly using the --platform=mswin32 with the gem install
>> command.
>>
>> Then someone asked me if this was a good idea because there could be some
>> binary level incompatibility between the interpreter and libraries
>> compilations.
>>
>> Does anyone know of any problematic case about this, or it is not a problem?
>
> Some people say that there is no problem, since MinGW states to be
> binary compatible with VC6.
>
> On the other hand, sometimes depending on the type of that being
> exchanged between the linked libraries or the program itself, it send
> data wrongly aligned, which produces a segfault.
>
> I got hit by this dealing with MySQL gem... several times. MySQL gem
> built with VC6 and MinGW installation.
>
> For that purpose I created a mingw gem that you can install from here:
>
> gem install mysql --source http://gems.rubyinstaller.org
>
> Also you will find there a win32console compilation based on my fork in GitHub.
>
> Some gems can be easily built with the DevKit, like RedCloth 4 without
> external dependencies.
>
> There are other problems about platforms like RUBY_PLATFORM regexp
> that can interfere with the actual code execution.
>
> So sometimes issuing a --platform=mswin32 will not fix the issue, but
> generate some random errors (like Mongrel 1.1.5 a few weeks ago, mea
> culpa).

Hi folks,

Sort of off-topic, but I've built a mingw gem for sqlite3-ruby, which
you can download here:

http://mikehodgson.com/sqlite3-ruby-1.2.2-x86-mingw32.gem


Mike


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