#5459 Build System : Add optional support for precompiled headers

ApplicationCode/CMakeLists.txt

@@ -7,7 +7,6 @@ if(RESINSIGHT_ENABLE_UNITY_BUILD)
     set(CMAKE_UNITY_BUILD true)
 endif()
 
-
 if (CMAKE_COMPILER_IS_GNUCXX)
 	set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-deprecated -Wno-deprecated-declarations")
 endif()
@@ -387,6 +386,16 @@ endif(RESINSIGHT_ENABLE_GRPC)
 
 add_executable( ResInsight ${EXE_FILES})
 
+option(RESINSIGHT_ENABLE_PRECOMPILED_HEADERS "Use Precompiled Headers" OFF)
+mark_as_advanced(FORCE RESINSIGHT_ENABLE_PRECOMPILED_HEADERS)
+if(RESINSIGHT_ENABLE_PRECOMPILED_HEADERS)
+    message("Precompiled Headers is enabled on : ${PROJECT_NAME}")
+    target_precompile_headers(ResInsight PRIVATE pch.h)
+
+    set_source_files_properties(${ResInsight_SOURCE_DIR}/ThirdParty/gtest/gtest-all.cc PROPERTIES SKIP_PRECOMPILE_HEADERS ON)
+endif()
+
+
 if (MSVC) 
     # The following warnings are supposed to be used in ResInsight, but temporarily disabled to avoid too much noise
     #  warning C4245: 'return': conversion from 'int' to 'size_t', signed/unsigned mismatch

ApplicationCode/pch.h

@@ -0,0 +1,38 @@
+////////////////////////////////////////////////////////////////////////////////
+//
+//  Copyright (C) 2019-     Equinor ASA
+//
+//  ResInsight is free software: you can redistribute it and/or modify
+//  it under the terms of the GNU General Public License as published by
+//  the Free Software Foundation, either version 3 of the License, or
+//  (at your option) any later version.
+//
+//  ResInsight is distributed in the hope that it will be useful, but WITHOUT ANY
+//  WARRANTY; without even the implied warranty of MERCHANTABILITY or
+//  FITNESS FOR A PARTICULAR PURPOSE.
+//
+//  See the GNU General Public License at <http://www.gnu.org/licenses/gpl.html>
+//  for more details.
+//
+/////////////////////////////////////////////////////////////////////////////////
+
+#include "cvfMath.h"
+#include "cvfObject.h"
+#include "cvfVector3.h"
+
+#include "cafAppEnum.h"
+#include "cafCmdFeature.h"
+#include "cafPdmField.h"
+#include "cafPdmObject.h"
+#include "cafSelectionManager.h"
+
+#include <QApplication>
+#include <QString>
+
+#include <map>
+#include <vector>
+
+#include "RiaApplication.h"
+#include "RiaPreferences.h"
+#include "RiuMainWindow.h"
+#include "RiuPlotMainWindow.h"