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Editorial Team
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Asked: 2026-05-29T07:30:06+00:00

i see this often when working with mysql or mysql2 , i tried to

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i see this often when working with mysql or mysql2, i tried to install ffi but it makes no difference, could you please help solving this issue

i tried gem install ffi, bundle install ffi i tried many stuff, just would not work! when do rake db:create i will see the error, i have the latest rails installer if i use ruby installer instead, i’ll get many other errors like: you need the dev toolkit to build this gem and i install the toolkit and still the the error therefore i prefer to stick with rails installer,

EDIT:

lets say i typed bundle install mysql i see the error: make sure that ffi installation succeeds before you continue or something like that, the thing is, if i don’t solve ffi error i’ll be stuck with sqlite, because i bet that mongodb, couchdb, mysql, mysql2, postgeres, whatever… all need ffi, i don’t know what ffi is but it’s seems to be very important thing

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1 Answer

  1. Editorial Team

    I’ve never had an issue with ffi myself (in fact I hadn’t even heard of it before your post), although I did have bizarre gem issues when working on Windows.

    Your problem seems to be this:

    C:/Documents and Settings/Administrator/Desktop/ror/selvista/mysql2/ruby/1.9.1/gems/ffi-1.0.11

    In particular, there’s a line in your error code:

    configure: WARNING: Libtool does not cope well with whitespace in 'pwd'

    I think you need to move your ror folder somewhere else, like C:\ror, something without spaces in it.

    If you look higher up:

    Makefile:160: warning: overriding commands for target 'C:/Documents'

    It thinks your folder is just C:/Documents

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