From ccb5d05eb4521a0d7b258d7b67ef3e917a3f49d6 Mon Sep 17 00:00:00 2001
From: James Turner <zakalawe@mac.com>
Date: Sat, 30 Jan 2016 14:29:12 +0000
Subject: [PATCH] Fix headless build for CMake export

---
 CMakeLists.txt | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 7609844a..07815047 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -429,7 +429,9 @@ add_subdirectory(simgear)
 #-----------------------------------------------------------------------------
 
 generate_export_header(SimGearCore)
-generate_export_header(SimGearScene)
+if(NOT SIMGEAR_HEADLESS)
+  generate_export_header(SimGearScene)
+endif()
 
 include(CMakePackageConfigHelpers)