1.log

C:\Ruby200>mkdir packages

C:\Ruby200>cd packages

C:\Ruby200\packages>..\DevKit\devkitvars.bat
Adding the DevKit to PATH...

C:\Ruby200\packages>bsdtar --lzma --exclude .metadata -xf \Users\Luis\Desktop\sqlite-3.7.1
5.2-x86-windows.tar.lzma

C:\Ruby200\packages>dir
 Volume in drive C is Depto HDD
 Volume Serial Number is CC0A-070C

 Directory of C:\Ruby200\packages

01/07/2013  03:25 p.m.    <DIR>          .
01/07/2013  03:25 p.m.    <DIR>          ..
01/07/2013  03:25 p.m.    <DIR>          bin
01/07/2013  03:25 p.m.    <DIR>          include
01/07/2013  03:25 p.m.    <DIR>          lib
01/07/2013  03:25 p.m.    <DIR>          share
               0 File(s)              0 bytes
               6 Dir(s)  426.986.106.880 bytes free

2.log

C:\Ruby200>ruby -v
ruby 2.0.0p195 (2013-05-14) [i386-mingw32]

C:\Ruby200>gem install sqlite3 --platform=ruby -- --with-opt-dir=C:/Ruby200/packages
Fetching: sqlite3-1.3.7.gem (100%)
Temporarily enhancing PATH to include DevKit...
Building native extensions with: '--with-opt-dir=C:/Ruby200/packages'
This could take a while...
Successfully installed sqlite3-1.3.7
Parsing documentation for sqlite3-1.3.7
unable to convert "\x90" from ASCII-8BIT to UTF-8 for lib/sqlite3/sqlite3_native.so, skipp
ing
Installing ri documentation for sqlite3-1.3.7
1 gem installed