“error: command 'x86_64-linux-gnu-gcc' failed with exit status 1” in virtualenv

Question

Environment: Linux Mint 17 Cinnamon.

This error is displayed:

error: command \'x86_64-linux-gnu-gcc\' failed with exit status 1

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Answer 1

The cffi library needs libffi-dev:

sudo apt-get install libffi libffi-dev