From 4d6cfbba203d7097ff0f17ff04fc574f3bbd214a Mon Sep 17 00:00:00 2001
From: matlabbe <matlabbe@gmail.com>
Date: Thu, 29 Sep 2016 12:40:51 -0400
Subject: [PATCH] RTABMapConfig.cmake: added find VTK if vtkGUISupportQt target
 is required

---
 CMakeLists.txt         | 5 ++++-
 RTABMapConfig.cmake.in | 3 +++
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 377dfc95..4f3092b4 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -412,8 +412,11 @@ ELSE()
    SET(CONF_DEPENDENCIES ${CONF_DEPENDENCIES} ${OCTOMAP_LIBRARIES}) 
 ENDIF()
 IF(ADD_VTK_GUI_SUPPORT_QT_TO_CONF)
+   SET(CONF_VTK_QT true)
    SET(CONF_DEPENDENCIES ${CONF_DEPENDENCIES} vtkGUISupportQt)
-ENDIF(ADD_VTK_GUI_SUPPORT_QT_TO_CONF)
+ELSE()
+   SET(CONF_VTK_QT false)
+ENDIF()
 IF(NOT (OpenCV_FOUND AND OpenCV_VERSION_MAJOR EQUAL 3))
    SET(OPENCV3 "//")
 ENDIF(NOT (OpenCV_FOUND AND OpenCV_VERSION_MAJOR EQUAL 3))
diff --git a/RTABMapConfig.cmake.in b/RTABMapConfig.cmake.in
index cfff0d81..2660a6d5 100644
--- a/RTABMapConfig.cmake.in
+++ b/RTABMapConfig.cmake.in
@@ -62,6 +62,9 @@ if(@CONF_WITH_GUI@)
 endif(@CONF_WITH_GUI@)
 
 # Dependencies
+if(@CONF_VTK_QT@)
+   find_package(VTK COMPONENTS vtkGUISupportQt NO_MODULE) # to define vtkGUISupportQt target
+endif(@CONF_VTK_QT@)
 set(RTABMap_LIBRARIES ${RTABMap_LIBRARIES} @CONF_DEPENDENCIES@)
 
 #backward compatibilities