Elizabeth Fischer 3352889d73 py-pil: Protect against building with Python3. (#1868) ...

* py-pil: Does not build with Python3.

* Set py-pillow to be the default pil provider

* Update package.py

* Change to comments requested by adamjstewart

* Remove version constraint from extends(), avoid a Spack bug.

2016-09-28 16:51:41 -04:00

..

spack/defaults

py-pil: Protect against building with Python3. (#1868)

2016-09-28 16:51:41 -04:00