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

Question

Got the DevKit installed and re-ran the ffi install….got this as an output:

C:\\Documents and Settings\\******>gem install ffi
Temporarily enhancing PATH          


        

Answer 1

Installing the 'osx-gcc-installer' worked for me: (osx 10.8)

https://github.com/kennethreitz/osx-gcc-installer/downloads

Answer 2

Helped me:

sudo apt install build-essential

Debian 9

Ruby 2.3.3

Answer 3

when the above steps are followed, it might results the following message.

$ bundle install
Fetching source index for https://rubygems.org/
You have requested:
ffi = 1.0.9

The bundle currently has ffi locked at 1.0.11.
Try running `bundle update ffi`

In that case, you can run the 'bundle update ffi' command and the error will be solved.

Answer 4

Put DevKit in front of your PATH, and install again from Windows command prompt.

Answer 5

On MacOS (Catalina), running brew install libtool first solved the problem for me.

Answer 6

I had to install automake to get it working. Worked on both mac OSX as well as Ubuntu (CI machine).