Problems with Jslint-V8 Ruby Gem Installation on Windows7 64-Bit

Error installing libv8: ERROR: Failed to build gem native extension

try this one:

gem install libv8 -v '3.16.14.3' -- --with-system-v8

Note : Because libv8 is the interface for the V8 engine used by therubyracer,
you may need to use libv8, even if you have V8 installed already. If
you wish to use your own V8 installation, rather than have it built
for you, use the --with-system-v8 option.

For more you can go through the documentation of libv8 on github

Ruby: cannot install libv8 on Windows 7 : missing python installation

Besides the DevKit you need Python to be installed and included in your path.
There are several Python installers for windows on the Python Dowload Page.

My first attempt with Python 3.2.3 failed, because it is not supported by libv8.
My second attempt with 2.7 succeeded!

Gem install rails installing me an empty directory

I just reinstalled everythings, seems the only way to fix.
I didn't understood the problem actually.

If anyone has a better answer, please post it.

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