Explain we now require one of the three defines before including.

2021-03-27 15:08:40 -03:00
parent 2bbb122d90
commit b0fd327043
1 changed files with 2 additions and 0 deletions
--- a/README.md
+++ b/README.md
@@ -48,6 +48,8 @@ Before you can compile `tray`, you'll need to add an environment definition befo
 ...
 ```

+Failure to define one of the three above will result in a compile-time error.
+
 # Demo

 The included example `.c` files can be compiled based on your environment.