[cmake] Add read-me for the common CMake utils
authorJohn Ericson <John.Ericson@Obsidian.Systems>
Mon, 3 Jan 2022 07:51:54 +0000 (07:51 +0000)
committerJohn Ericson <John.Ericson@Obsidian.Systems>
Fri, 7 Jan 2022 20:14:32 +0000 (20:14 +0000)
commitb99833dc745758042f230add35c75faf4070529f
tree87eb633cfd6351cb5cd787e45a9254e9fb76b835
parent028444c2b329ae4682b683cec70738afafcf18af
[cmake] Add read-me for the common CMake utils

Now that I am adding more things there, I thought it prudent to document
what should and should not go there, and how it is used.

Reviewed By: lebedev.ri

Differential Revision: https://reviews.llvm.org/D116524
cmake/README.md [new file with mode: 0644]