patch 8.1.0480: MinGW build file uses different -I flags than MVC commit https://github.com/vim/vim/commit/b361db077ffb9669147d3ff1cc0191154f7289e4 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Oct 16 21:13:14 2018 +0200 patch 8.1.0480: MinGW build file uses different -I flags than MVC Problem: MinGW build file uses different -I flags than MVC. Solution: Add -I to $CFLAGS. (Ken takata)

README_src.txt for version 8.1 of Vim: Vi IMproved.

The source archive contains the files needed to compile Vim on Unix systems.
It is packed for Unix systems (NL line separator).

For more information, see the README.txt file that comes with the runtime
archive (vim-8.1-rt.tar.gz).  To be able to run Vim you MUST get the runtime
archive too!