From 7b3928fb77fffaab35ed75fda5c2ff5d8a802fbf Mon Sep 17 00:00:00 2001
From: Jaron Kent-Dobias <jaron@kent-dobias.com>
Date: Fri, 19 Oct 2018 14:21:37 -0400
Subject: added warning when animation isn't built

---
 examples/CMakeLists.txt | 1 +
 1 file changed, 1 insertion(+)

diff --git a/examples/CMakeLists.txt b/examples/CMakeLists.txt
index 33b76ae..5cdf3a0 100644
--- a/examples/CMakeLists.txt
+++ b/examples/CMakeLists.txt
@@ -28,6 +28,7 @@ FIND_LIBRARY(GLU NAMES GLU)
 FIND_LIBRARY(GLUT NAMES glut)
 
 if (${GLUT} MATCHES "GLUT-NOTFOUND")
+  message(WARNING "Executable examples/ising_animation is not being built because the glut library can't be found.")
 else()
   add_executable(ising_animation ising_animation.cpp)
   target_link_libraries(ising_animation wolff GL GLU glut)
-- 
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