commit https://github.com/vim/vim/commit/1000565c3a2439c9a7c9759284814dbf3b8bc20d Author: Bram Moolenaar <Bram@vim.org> Date: Thu Dec 31 21:03:23 2015 +0100 patch 7.4.1012 Problem: Vim overwrites the value of $PYTHONHOME. Solution: Do not set $PYTHONHOME if it is already set. (Kazuki Sakamoto, closes https://github.com/vim/vim/issues/500)

;gvimdef_ming.def : Declares the module parameters for the DLL.
;The mingw environment doesn't know anything about private declarations
;Hence this is the same file as gvimext.def with private removed

LIBRARY      gvimext
; DESCRIPTION  'Vim Shell Extension build with MinGW'

EXPORTS
    DllCanUnloadNow = DllCanUnloadNow@0
    DllGetClassObject  = DllGetClassObject@12