From 8abc03ea56b71930755db22cc40376d1aac0cba7 Mon Sep 17 00:00:00 2001
From: Michael Steinert <mike.steinert@gmail.com>
Date: Tue, 10 Jul 2018 08:19:26 -0500
Subject: [PATCH] cmake: Add some comments regarding r3.pc.in

---
 CMakeLists.txt | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3c82633..d4e42c9 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -26,6 +26,8 @@ install(
     include/r3.hpp
   DESTINATION include)
 
+# Configure substitutions for r3.pc. The variables set here must match the
+# @<values>@ in r3.pc.in.
 set(prefix ${CMAKE_INSTALL_PREFIX})
 set(exec_prefix ${prefix})
 set(includedir ${prefix}/include)