Windows build clarifications.

Makefile

@@ -41,7 +41,8 @@ else
 endif
 
 # Automatic settings for PC port(s)
-# WINDOWS_BUILD IS NOT FOR COMPILING A WINDOWS EXECUTABLE UNDER LINUX!
+# WINDOWS_BUILD IS NOT FOR COMPILING A WINDOWS EXECUTABLE UNDER LINUX OR WSL!
+# USE THE WIKI GUIDE WITH MSYS2 FOR COMPILING A WINDOWS EXECUTABLE!
 
 NON_MATCHING := 1
 GRUCODE := f3dex2e

README.md

@@ -13,3 +13,5 @@ Run `./extract-assets.py --clean && make clean` or `make distclean` to remove RO
 
 ## Building
 For building instructions, please refer to the [wiki](https://github.com/sm64pc/sm64pc/wiki).
+
+Windows users: do not attempt to compile with `WINDOWS_BUILD=1` under WSL. It will NOT work. Follow the guide on the wiki.