From 9d2b692afd7eb7dd03958d7111068fa7cce30e55 Mon Sep 17 00:00:00 2001
From: Alex Richardson <Alexander.Richardson@cl.cam.ac.uk>
Date: Wed, 14 Jul 2021 14:03:43 +0100
Subject: Allow building with -DBUILD_VIEWER=OFF

Without this change I get CMake errors due to use of ${FLTK_INCLUDE_DIR}
and references to the non-existent vncviewer target.
---
 cmake/StaticBuild.cmake | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'cmake')

diff --git a/cmake/StaticBuild.cmake b/cmake/StaticBuild.cmake
index 1af9893b..b96d800b 100644
--- a/cmake/StaticBuild.cmake
+++ b/cmake/StaticBuild.cmake
@@ -119,7 +119,7 @@ if(BUILD_STATIC)
     string(STRIP ${GNUTLS_LIBRARIES} GNUTLS_LIBRARIES)
   endif()
 
-  if(FLTK_FOUND)
+  if(DEFINED FLTK_LIBRARIES)
     set(FLTK_LIBRARIES "-Wl,-Bstatic -lfltk_images -lpng -ljpeg -lfltk -Wl,-Bdynamic")
 
     if(WIN32)
-- 
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