From 2b69618ed982a6f174a7bc666b08c90eee83c268 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=D0=90=D0=BB=D0=B5=D0=BA=D1=81=D0=B5=D0=B9?=
 <alexey.pawlow@gmail.com>
Date: Thu, 17 Jun 2021 18:51:41 +0530
Subject: [PATCH 032/N] MINGW generalization of posix build in distutils sys
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Co-authored-by: Алексей <alexey.pawlow@gmail.com>
---
 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 bbe8e3c..80d3523 100644
--- a/Lib/distutils/sysconfig.py
+++ b/Lib/distutils/sysconfig.py
@@ -64,6 +64,17 @@ def _python_build():
 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.
@@ -97,7 +108,7 @@ 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
@@ -144,7 +155,7 @@ 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:
         if plat_specific or standard_lib:
             # Platform-specific modules (any module from a non-pure-Python
             # module distribution) or standard Python library modules.
@@ -261,7 +272,7 @@ 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
@@ -467,6 +478,9 @@ def _init_posix():
 
 
 def _init_nt():
+    if posix_build:
+        _init_posix()
+        return
     """Initialize the module as appropriate for NT"""
     g = {}
     # set basic install directories
@@ -516,7 +530,7 @@ 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
@@ -535,7 +549,7 @@ 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()):
-- 
2.32.0