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MAINT allow to set environment variable at install #4

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MAINT allow to set environment variable at install #4

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10 changes: 10 additions & 0 deletions readme.md
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Original file line number Diff line number Diff line change
Expand Up @@ -48,3 +48,13 @@ The output generated by the above example should look like the following:
- Cython (only for building and installing, not for everyday use)
- Pillow (friendly fork of PIL, used here for file I/O with the example and during unit tests)
- CharLS (source included as subfolder)

## Installing

Under Linux, you need to set the environment variable `MSCV` to be able to install:

```
export MSCV=False
pip install .
```

13 changes: 7 additions & 6 deletions setup.py
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@@ -1,11 +1,9 @@


import numpy as np
import os
import setuptools

from setuptools import setup, find_packages
from setuptools.extension import Extension

import numpy as np
from Cython.Distutils import build_ext

# Cython extension.
Expand All @@ -20,8 +18,11 @@

extra_link_args = []

flag_MSVC = True # Set this flag to True if using Visual Studio.
if flag_MSVC:
if 'MSCV' in os.environ and os.environ['MSCV'] == 'False':
flag_MSCV = False
else:
flag_MSCV = True
if flag_MSCV:
extra_compile_args = ['/EHsc']
else:
extra_compile_args = []
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