From f6758ca7c83dde52df34d3ee2ba6fad7ef372083 Mon Sep 17 00:00:00 2001
From: Raphael Grimm <raphael.grimm@kit.edu>
Date: Mon, 17 Feb 2020 10:17:37 +0100
Subject: [PATCH] Use unity build if cmake is >= 3.16
---
CMakeLists.txt | 5 +++++
.../DynamicsEngine/BulletEngine/BulletOpenGL/CMakeLists.txt | 2 ++
2 files changed, 7 insertions(+)
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8ccfc4305..d7ff607bb 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -8,6 +8,11 @@ INCLUDE(${Simox_SOURCE_DIR}/CMakeModules/SimoxMacros.cmake)
#global config
# Set up build type
+if(${CMAKE_VERSION} VERSION_GREATER 3.16)
+ set(CMAKE_UNITY_BUILD ON)
+ set(CMAKE_UNITY_BUILD_BATCH_SIZE 0)
+endif()
+
IF(NOT CMAKE_BUILD_TYPE)
SET_PROPERTY(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS "Debug" "Release" "MinSizeRel" "RelWithDebInfo")
endif()
diff --git a/SimDynamics/DynamicsEngine/BulletEngine/BulletOpenGL/CMakeLists.txt b/SimDynamics/DynamicsEngine/BulletEngine/BulletOpenGL/CMakeLists.txt
index 26ff3c90b..399aa7dab 100644
--- a/SimDynamics/DynamicsEngine/BulletEngine/BulletOpenGL/CMakeLists.txt
+++ b/SimDynamics/DynamicsEngine/BulletEngine/BulletOpenGL/CMakeLists.txt
@@ -1,5 +1,7 @@
# This is copied from the bullet sources since the openGL support library is usually not included in any linux packages.
+set(CMAKE_UNITY_BUILD OFF)
+
PROJECT(BulletOpenGLSupport)
if (SimDynamics_USE_BULLET AND OPENGL_FOUND)
--
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