--- numpy-1.10.0/numpy/distutils/mingw32ccompiler.py.orig	2015-10-08 14:37:03.956864600 +0300
+++ numpy-1.10.0/numpy/distutils/mingw32ccompiler.py	2015-10-08 14:44:27.194536400 +0300
@@ -13,6 +13,7 @@
 import sys
 import subprocess
 import re
+import platform
 
 # Overwrite certain distutils.ccompiler functions:
 import numpy.distutils.ccompiler
@@ -41,6 +42,11 @@
 _START = re.compile(r'\[Ordinal/Name Pointer\] Table')
 _TABLE = re.compile(r'^\s+\[([\s*[0-9]*)\] ([a-zA-Z0-9_]*)')
 
+def is_win64():
+    return sys.platform == "win32" and platform.architecture()[0] == "64bit"
+def is_win32():
+    return sys.platform == "win32" and platform.architecture()[0] == "32bit"
+
 # the same as cygwin plus some additional parameters
 class Mingw32CCompiler(distutils.cygwinccompiler.CygwinCCompiler):
     """ A modified MingW32 compiler compatible with an MSVC built Python.
@@ -130,19 +136,35 @@
                     linker_exe='g++ -mno-cygwin',
                     linker_so='g++ -mno-cygwin -shared')
             else:
-                # gcc-4 series releases do not support -mno-cygwin option i686
-                # build needs '-mincoming-stack-boundary=2' due to ABI
-                # incompatibility to Win32 ABI
-                self.set_executables(
-                    compiler='gcc -O2 -march=core2 -mtune=generic'
-                             ' -mfpmath=sse -msse2'
-                             ' -mincoming-stack-boundary=2 -Wall',
-                    compiler_so='gcc -O2 -march=core2 -mtune=generic'
-                                ' -mfpmath=sse -msse2'
-                                ' -mincoming-stack-boundary=2 -Wall'
-                                ' -Wstrict-prototypes',
-                    linker_exe='g++ ',
-                    linker_so='g++ -shared -Wl,-gc-sections -Wl,-s')
+                if is_win32():
+                    # gcc-4 series releases do not support -mno-cygwin option i686
+                    # build needs '-mincoming-stack-boundary=2' due to ABI
+                    # incompatibility to Win32 ABI
+                    self.set_executables(
+                        compiler='gcc -O2 -march=core2 -mtune=generic'
+                                 ' -mfpmath=sse -msse2'
+                                 ' -mincoming-stack-boundary=2 -Wall',
+                        compiler_so='gcc -O2 -march=core2 -mtune=generic'
+                                    ' -mfpmath=sse -msse2'
+                                    ' -mincoming-stack-boundary=2 -Wall'
+                                    ' -Wstrict-prototypes',
+                        linker_exe='g++ ',
+                        linker_so='g++ -shared -Wl,-gc-sections -Wl,-s')
+                else:
+                    # gcc-4 series releases do not support -mno-cygwin option i686
+                    # build needs '-mincoming-stack-boundary=2' due to ABI
+                    # incompatibility to Win32 ABI
+                    self.set_executables(
+                        compiler='gcc -O2 -march=x86-64 -DMS_WIN64 -mtune=generic'
+                                 ' -mfpmath=sse -msse2'
+                                 ' -Wall',
+                        compiler_so='gcc -O2 -march=x86-64 -DMS_WIN64 -mtune=generic'
+                                    ' -mfpmath=sse -msse2'
+                                    ' -Wall'
+                                    ' -Wstrict-prototypes',
+                        linker_exe='g++ ',
+                        linker_so='g++ -shared -Wl,-gc-sections -Wl,-s')
+
         # added for python2.3 support we can't pass it through set_executables
         # because pre 2.2 would fail
         self.compiler_cxx = ['g++']