From 0ed64c72ce0d1322076996d03ab20c1031b84e04 Mon Sep 17 00:00:00 2001
From: Sam Edwards <CFSworks@gmail.com>
Date: Tue, 20 Feb 2018 17:02:17 -0700
Subject: [PATCH] CMake: Migrate over VRPN detection

---
 dtool/Config.cmake     |  7 -------
 dtool/LocalSetup.cmake |  6 ------
 dtool/Package.cmake    | 12 ++++++++++++
 3 files changed, 12 insertions(+), 13 deletions(-)

diff --git a/dtool/Config.cmake b/dtool/Config.cmake
index bc7474b1c5..b4acfeb745 100644
--- a/dtool/Config.cmake
+++ b/dtool/Config.cmake
@@ -466,13 +466,6 @@ option(HAVE_VIDEO4LINUX
   "Set this to enable webcam support on Linux." ${IS_LINUX})
 
 
-# Is VRPN installed, and where?
-find_package(VRPN QUIET)
-
-package_option(VRPN
-  "Enables support for connecting to VRPN servers.")
-
-
 # Is ZLIB installed, and where?
 find_package(ZLIB QUIET)
 
diff --git a/dtool/LocalSetup.cmake b/dtool/LocalSetup.cmake
index 08417bbcbc..d0177b6e65 100644
--- a/dtool/LocalSetup.cmake
+++ b/dtool/LocalSetup.cmake
@@ -189,12 +189,6 @@ endif()
 # Now go through all the packages and report whether we have them.
 show_packages()
 
-if(HAVE_VRPN)
-  message("+ VRPN")
-else()
-  message("- Did not find VRPN")
-endif()
-
 if(HAVE_ZLIB)
   message("+ zlib")
 else()
diff --git a/dtool/Package.cmake b/dtool/Package.cmake
index f9f96e8765..97303013ce 100644
--- a/dtool/Package.cmake
+++ b/dtool/Package.cmake
@@ -123,6 +123,18 @@ else()
 endif()
 config_package(CG "Nvidia Cg Shading Language" "${cg_apis}")
 
+#
+# ------------ VRPN ------------
+#
+
+find_package(VRPN QUIET)
+
+package_option(VRPN
+  "Enables support for connecting to VRPN servers. This is only needed if you
+  are building Panda3D for a fixed VRPN-based VR installation.")
+
+config_package(VRPN "VRPN")
+
 # Find and configure Miles Sound System
 find_package(Miles QUIET)
 #config_package(RAD_MSS "Miles Sound System")