From 8952591dbd9529b5feb2bd458b8f8aa6b52440dd Mon Sep 17 00:00:00 2001
From: KmolYuan <pyslvs@gmail.com>
Date: Tue, 8 Oct 2019 22:06:04 +0800
Subject: [PATCH] Allow reusing "set_compiler" command.

---
 cython/platform/set_pycompiler.bat | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/cython/platform/set_pycompiler.bat b/cython/platform/set_pycompiler.bat
index 5d32358e..02d45e46 100644
--- a/cython/platform/set_pycompiler.bat
+++ b/cython/platform/set_pycompiler.bat
@@ -9,12 +9,15 @@ set PYTHON_DIR=%1
 set COMPILER=%2
 
 REM Create "distutils.cfg"
-echo [build]>> "%PYTHON_DIR%\Lib\distutils\distutils.cfg"
-echo compiler=%COMPILER%>> "%PYTHON_DIR%\Lib\distutils\distutils.cfg"
-
+set DISTUTILS=%PYTHON_DIR%\Lib\distutils\distutils.cfg
+if exist "%DISTUTILS%" del "%DISTUTILS%" /Q /S
+echo [build]>> "%DISTUTILS%"
+echo compiler=%COMPILER%>> "%DISTUTILS%"
+echo patched file "%DISTUTILS%"
 REM Apply the patch of "cygwinccompiler.py".
 REM Unix "patch" command of Msys.
-patch "%PYTHON_DIR%\lib\distutils\cygwinccompiler.py" "%HERE%patch.diff"
+patch -N "%PYTHON_DIR%\lib\distutils\cygwinccompiler.py" "%HERE%\patch.diff"
 
 REM Copy "vcruntime140.dll" to "libs".
 copy "%PYTHON_DIR%\vcruntime140.dll" "%PYTHON_DIR%\libs"
+echo copied "vcruntime140.dll".