From 73ec002d39d7da060f878c3240d2f7407eab3432 Mon Sep 17 00:00:00 2001
From: Roumen Petrov <local@example.net>
Date: Sat, 2 Mar 2013 22:21:20 +0200
Subject: [PATCH 22/24] MINGW: generalization of posix build in
 distutils/sysconfig.py

---
 Lib/distutils/sysconfig.py | 24 +++++++++++++++++++-----
 1 file changed, 19 insertions(+), 5 deletions(-)

diff --git a/Lib/distutils/sysconfig.py b/Lib/distutils/sysconfig.py
index 52d5031..1e35a09 100644
--- a/Lib/distutils/sysconfig.py
+++ b/Lib/distutils/sysconfig.py
@@ -62,6 +62,17 @@ def _python_build():
     return _is_python_source_dir(project_base)
 python_build = _python_build()
 
+def _posix_build():
+    # GCC[mingw*] use posix build system
+    # Check for cross builds explicitly
+    host_platform = os.environ.get("_PYTHON_HOST_PLATFORM")
+    if host_platform:
+        if host_platform.startswith('mingw'):
+            return True
+    return os.name == 'posix' or \
+        (os.name == "nt" and 'GCC' in sys.version)
+posix_build = _posix_build()
+
 # Calculate the build qualifier flags if they are defined.  Adding the flags
 # to the include and lib directories only makes sense for an installation, not
 # an in-source build.
@@ -95,7 +106,7 @@ def get_python_inc(plat_specific=0, prefix=None):
     """
     if prefix is None:
         prefix = plat_specific and BASE_EXEC_PREFIX or BASE_PREFIX
-    if os.name == "posix":
+    if posix_build:
         if python_build:
             # Assume the executable is in the build directory.  The
             # pyconfig.h file should be in the same directory.  Since
@@ -140,7 +151,7 @@ def get_python_lib(plat_specific=0, standard_lib=0, prefix=None):
         else:
             prefix = plat_specific and EXEC_PREFIX or PREFIX
 
-    if os.name == "posix":
+    if posix_build:
         libpython = os.path.join(prefix,
                                  "lib", "python" + get_python_version())
         if standard_lib:
@@ -252,7 +263,7 @@ def customize_compiler(compiler):
 def get_config_h_filename():
     """Return full pathname of installed pyconfig.h file."""
     if python_build:
-        if os.name == "nt":
+        if os.name == "nt" and not posix_build:
             inc_dir = os.path.join(_sys_home or project_base, "PC")
         else:
             inc_dir = _sys_home or project_base
@@ -491,6 +502,9 @@ def _init_posix():
 
 
 def _init_nt():
+    if posix_build:
+        _init_posix()
+        return
     """Initialize the module as appropriate for NT"""
     g = {}
     # set basic install directories
@@ -535,7 +549,7 @@ def get_config_vars(*args):
 
         # Always convert srcdir to an absolute path
         srcdir = _config_vars.get('srcdir', project_base)
-        if os.name == 'posix':
+        if posix_build:
             if python_build:
                 # If srcdir is a relative path (typically '.' or '..')
                 # then it should be interpreted relative to the directory
@@ -554,7 +568,7 @@ def get_config_vars(*args):
         # Normally it is relative to the build directory.  However, during
         # testing, for example, we might be running a non-installed python
         # from a different directory.
-        if python_build and os.name == "posix":
+        if python_build and posix_build:
             base = project_base
             if (not os.path.isabs(_config_vars['srcdir']) and
                 base != os.getcwd()):
-- 
1.7.12.1