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-rw-r--r--setuptools/extension.py15
1 files changed, 3 insertions, 12 deletions
diff --git a/setuptools/extension.py b/setuptools/extension.py
index 073d9459..03068d35 100644
--- a/setuptools/extension.py
+++ b/setuptools/extension.py
@@ -1,4 +1,3 @@
-import sys
import re
import functools
import distutils.core
@@ -8,11 +7,6 @@ import distutils.extension
from setuptools.extern.six.moves import map
from .monkey import get_unpatched
-from . import msvc
-
-_Extension = get_unpatched(distutils.core.Extension)
-
-msvc.patch_for_specialized_compiler()
def _have_cython():
@@ -33,6 +27,9 @@ def _have_cython():
have_pyrex = _have_cython
+_Extension = get_unpatched(distutils.core.Extension)
+
+
class Extension(_Extension):
"""Extension that uses '.c' files in place of '.pyx' files"""
@@ -59,9 +56,3 @@ class Extension(_Extension):
class Library(Extension):
"""Just like a regular Extension, but built as a library instead"""
-
-
-distutils.core.Extension = Extension
-distutils.extension.Extension = Extension
-if 'distutils.command.build_ext' in sys.modules:
- sys.modules['distutils.command.build_ext'].Extension = Extension