diff -rupN Python-2.7.13/Lib/distutils/sysconfig.py Python-2.7.13-new/Lib/distutils/sysconfig.py
--- Python-2.7.13/Lib/distutils/sysconfig.py 2016-12-17 21:05:05.000000000 +0100
+++ Python-2.7.13-new/Lib/distutils/sysconfig.py 2017-01-21 01:46:06.137611495 +0100
@@ -154,7 +154,23 @@ def customize_compiler(compiler):
Mainly needed on Unix, so we can plug in the information that
varies across Unices and is stored in Python's Makefile.
"""
- if compiler.compiler_type == "unix":
+ global _config_vars
+ if compiler.compiler_type in ["cygwin", "mingw32"]:
+ # Note that cygwin use posix build and 'unix' compiler.
+ # If build is not based on posix then we must predefine
+ # some environment variables corresponding to posix
+ # build rules and defaults.
+ if not 'GCC' in sys.version:
+ _config_vars['CC'] = "gcc"
+ _config_vars['CXX'] = "g++"
+ _config_vars['OPT'] = "-fwrapv -O3 -Wall -Wstrict-prototypes"
+ _config_vars['CFLAGS'] = ""
+ _config_vars['CCSHARED'] = ""
+ _config_vars['LDSHARED'] = "gcc -shared -Wl,--enable-auto-image-base"
+ _config_vars['AR'] = "ar"
+ _config_vars['ARFLAGS'] = "rc"
+
+ if compiler.compiler_type in ["unix", "cygwin", "mingw32"]:
if sys.platform == "darwin":
# Perform first-time customization of compiler-related
# config vars on OS X now that we know we need a compiler.
@@ -164,7 +180,6 @@ def customize_compiler(compiler):
# that Python itself was built on. Also the user OS
# version and build tools may not support the same set
# of CPU architectures for universal builds.
- global _config_vars
# Use get_config_var() to ensure _config_vars is initialized.
if not get_config_var('CUSTOMIZED_OSX_COMPILER'):
import _osx_support