### Bug report Build issue with intel compiler for the external qhull library. All details are posted [here](https://github.com/spack/spack/issues/8303) Detailed [build log](https://pastebin.com/XTzZgg7x). Used icpc instead of icc as [described](https://github.com/matplotlib/matplotlib/issues/4518). ### Version info Matplotlib version : 2.2.2 Pillow version : 5.1.0 Python : 3.6.5 Compiler : Intel @18.0.1 OS : CentOS 7 CPU: Xeon Phi 7250