I'm trying to install 'pyskein' from the Python package index (sudo easy_install3 skein), but the installation fails with this error:

src/threefish.c:23:20: fatal error: Python.h: No such file or directory
compilation terminated.
error: Setup script exited with error: command 'gcc' failed with exit status 1

I've already installed the build-essential package


Your system is missing the Python headers. To fix this, run

sudo apt-get install python-dev


sudo apt-get install python3-dev

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy

Not the answer you're looking for? Browse other questions tagged or ask your own question.