I have numpy installed globally (I think via Django) but I'm trying to install it within a virtualenv. When I run

pip install numpy

(within my virtualenv), it gets stuck at Running setup.py install for numpy.

Any ideas on how I can fix this? If you require any additional information just let me know and I'll post it.

  • Do you have gcc installed? run the command gcc -v! – Maythux Jul 3 '15 at 6:10
  • This issue has been resolved in pip version 8. – xyres Jul 11 '16 at 7:41

Googling it comes mainly to specific solution taking about presence of gcc and other packages.

Check if gcc is installed else install it:

sudo apt-get install gcc

Also you need to install those packages:

sudo apt-get install build-essential python-dev

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