-# Sane migwin, as installed by symengine
-#- if [%COMPILER%]==[MinGW-w64] call .appveyor-download.cmd "https://raw.githubusercontent.com/symengine/dependencies/5cff7d1736877336cf9fb58267111beea4fa152f/x86_64-4.9.1-release-posix-seh-rt_v3-rev1.7z" -FileName mw64.7z
-#- if [%COMPILER%]==[MinGW-w64] 7z x -oC:\ mw64.7z > NUL
-# Take the newly installed stuff in the path
-#- set PATH=C:\mingw64\bin;%PATH%