diff -ru LuxCore-luxcorerender_v2.5beta1.orig/cmake/PlatformSpecific.cmake LuxCore-luxcorerender_v2.5beta1/cmake/PlatformSpecific.cmake
--- LuxCore-luxcorerender_v2.5beta1.orig/cmake/PlatformSpecific.cmake	2020-11-15 02:42:41.000000000 -0800
+++ LuxCore-luxcorerender_v2.5beta1/cmake/PlatformSpecific.cmake	2020-11-27 22:21:31.124367337 -0800
@@ -259,7 +259,7 @@
 
 IF(CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUCXX)
 	# Update if necessary
-	SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11 -Wall -Wno-long-long -pedantic")
+	SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++14 -Wall -Wno-long-long -pedantic")
 	SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -msse -msse2 -msse3 -mssse3")
 	IF(NOT CYGWIN)
 	  SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fPIC")

diff -ru LuxCore-luxcorerender_v2.5beta1.orig/CMakeLists.txt LuxCore-luxcorerender_v2.5beta1/CMakeLists.txt
--- LuxCore-luxcorerender_v2.5beta1.orig/CMakeLists.txt	2020-11-15 02:42:41.000000000 -0800
+++ LuxCore-luxcorerender_v2.5beta1/CMakeLists.txt	2020-11-27 22:23:50.388985025 -0800
@@ -42,6 +42,10 @@
 enable_language(C)
 enable_language(CXX)
 
+# Use C++ standard 14
+set(CMAKE_CXX_STANDARD 14)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+
 if (CMAKE_CONFIGURATION_TYPES)
 
 	message(STATUS "Multi-config generator detected")

diff -ru LuxCore-luxcorerender_v2.5beta1.orig/src/slg/engines/bakecpu/bakecputhread.cpp LuxCore-luxcorerender_v2.5beta1/src/slg/engines/bakecpu/bakecputhread.cpp
--- LuxCore-luxcorerender_v2.5beta1.orig/src/slg/engines/bakecpu/bakecputhread.cpp	2020-11-15 02:42:41.000000000 -0800
+++ LuxCore-luxcorerender_v2.5beta1/src/slg/engines/bakecpu/bakecputhread.cpp	2020-11-27 22:27:14.155499302 -0800
@@ -352,7 +352,7 @@
 	const PathTracer &pathTracer = engine->pathTracer;
 	
 	const PathTracer::ConnectToEyeCallBackType connectToEyeCallBack = boost::bind(
-			&BakeCPURenderThread::RenderConnectToEyeCallBack, this, mapInfo, _1, _2, _3, _4, _5);
+			&BakeCPURenderThread::RenderConnectToEyeCallBack, this, mapInfo, boost::placeholders::_1, boost::placeholders::_2, boost::placeholders::_3, boost::placeholders::_4, boost::placeholders::_5);
 
 	pathTracer.RenderLightSample(state.device, state.scene, state.film, state.lightSampler,
 			state.lightSampleResults, connectToEyeCallBack);