--- configure-ng.py.orig	2014-07-03 15:03:00.000000000 +0200
+++ configure-ng.py	2014-07-29 13:36:14.339000000 +0200
@@ -30,6 +30,7 @@
 import shutil
 import stat
 import sys
+from sysconfig import _POSIX_BUILD
 
 try:
     import sysconfig
@@ -369,7 +370,7 @@
             self.inc_dir = sysconfig.get_python_inc(plat_specific=1)
             self.module_dir = sysconfig.get_python_lib(plat_specific=1)
 
-        if sys.platform == 'win32':
+        if sys.platform == 'win32' and not _POSIX_BUILD:
             self.bin_dir = sys.exec_prefix
             self.data_dir = sys.prefix
             self.lib_dir = sys.prefix + '\\libs'
@@ -378,6 +379,13 @@
             self.data_dir = sys.prefix + '/share'
             self.lib_dir = sys.prefix + '/lib'
 
+        if _POSIX_BUILD and "MSYSTEM" in os.environ:
+            self.inc_dir = os.popen(' '.join(['cygpath', '--unix', self.inc_dir])).readline().strip()
+            self.module_dir = os.popen(' '.join(['cygpath', '--unix', self.module_dir])).readline().strip()
+            self.bin_dir = os.popen(' '.join(['cygpath', '--unix', self.bin_dir])).readline().strip()
+            self.data_dir = os.popen(' '.join(['cygpath', '--unix', self.data_dir])).readline().strip()
+            self.lib_dir = os.popen(' '.join(['cygpath', '--unix', self.lib_dir])).readline().strip()
+
         # The name of the interpreter used by the pyuic4 wrapper.
         if sys.platform == 'darwin':
             # The installation of MacOS's python is a mess that changes from
@@ -448,7 +456,9 @@
 
         # The qmake spec we want to use.
         if self.py_platform == 'win32':
-            if self.py_version >= 0x030300:
+            if _POSIX_BUILD:
+                self.qmake_spec = "win32-g++"
+            elif self.py_version >= 0x030300:
                 self.qmake_spec = 'win32-msvc2010'
             elif self.py_version >= 0x020600:
                 self.qmake_spec = 'win32-msvc2008'
@@ -672,7 +682,10 @@
 
         # Create the output file, first making sure it doesn't exist.
         remove_file(out_file)
-        run_command(cmd, verbose)
+        if "MSYSTEM" in os.environ:
+            run_command("sh -c "+cmd, verbose)
+        else:
+            run_command(cmd, verbose)
 
         if not os.access(out_file, os.F_OK):
             error("%s failed to create %s. Make sure your Qt installation is correct." % (cmd, out_file))
@@ -690,7 +703,7 @@
         py_major = self.py_version >> 16
         py_minor = (self.py_version >> 8) & 0x0ff
 
-        if sys.platform == 'win32':
+        if sys.platform == 'win32' and not _POSIX_BUILD:
             debug_suffix = get_win32_debug_suffix(debug)
             pylib_lib = 'python%d%d%s' % (py_major, py_minor, debug_suffix)
 
@@ -783,6 +796,8 @@
                         "correct version of qmake." % qt_version_str)
 
         self.designer_plugin_dir = qt_config.QT_INSTALL_PLUGINS + '/designer'
+        if "MSYSTEM" in os.environ:
+            self.designer_plugin_dir = os.popen(' '.join(['cygpath', '--unix', self.designer_plugin_dir])).readline().strip()
 
         if self.sysroot == '':
             self.sysroot = getattr(qt_config, 'QT_SYSROOT', '')
@@ -791,6 +806,8 @@
         # in the default location.
         self.qsci_api_dir = os.path.join(qt_config.QT_INSTALL_DATA, 'qsci')
         self.qsci_api = os.path.isdir(self.qsci_api_dir)
+        if "MSYSTEM" in os.environ:
+            self.qsci_api_dir = os.popen(' '.join(['cygpath', '--unix', self.qsci_api_dir])).readline().strip()
 
         # Save the default qmake spec. and finalise the value we want to use.
         self.default_qmake_spec = getattr(qt_config, 'QMAKE_SPEC', '')
@@ -950,6 +967,15 @@
         if opts.vendlibdir is not None:
             self.vend_lib_dir = opts.vendlibdir
 
+        if _POSIX_BUILD and "MSYSTEM" in os.environ:
+            self.pyqt_bin_dir = os.popen(' '.join(['cygpath', '--unix', self.pyqt_bin_dir])).readline().strip()
+            self.designer_plugin_dir = os.popen(' '.join(['cygpath', '--unix', self.designer_plugin_dir])).readline().strip()
+            self.pyqt_module_dir = os.popen(' '.join(['cygpath', '--unix', self.pyqt_module_dir])).readline().strip()
+            self.qsci_api_dir = os.popen(' '.join(['cygpath', '--unix', self.qsci_api_dir])).readline().strip()
+            self.pyqt_sip_dir = os.popen(' '.join(['cygpath', '--unix', self.pyqt_sip_dir])).readline().strip()
+            self.vend_inc_dir = os.popen(' '.join(['cygpath', '--unix', self.vend_inc_dir])).readline().strip()
+            self.vend_lib_dir = os.popen(' '.join(['cygpath', '--unix', self.vend_lib_dir])).readline().strip()
+
         # Handle any conflicts.
         if self.qt_shared:
             if len(self.static_plugins) != 0:
@@ -1116,7 +1142,7 @@
                     "wrapper is FILE [default: %s]" %
                             target_config.pyuic_interpreter)
 
-    if sys.platform != 'win32':
+    if sys.platform != 'win32' or _POSIX_BUILD:
         g.add_option("--qmake", "-q", dest='qmake', type='string',
                 default=None, action='callback', callback=store_abspath_exe,
                 metavar="FILE",
@@ -2634,7 +2660,10 @@
     py_major, py_minor = get_py_major_minor(target_config)
     debug_suffix = get_win32_debug_suffix(target_config.debug)
 
-    return '%s -lpython%d%d%s' % (lib_dir, py_major, py_minor, debug_suffix)
+    if _POSIX_BUILD:
+        return '%s -lpython%d.%d%s' % (lib_dir, py_major, py_minor, debug_suffix)
+    else:
+        return '%s -lpython%d%d%s' % (lib_dir, py_major, py_minor, debug_suffix)
 
 
 def get_win32_debug_suffix(debug):