clang/gcc: Add build option FREECAD_WARN_ERROR to force to make warnings into errors

2024-05-29 13:12:17 +02:00
parent 8ac14f83c6
commit 560cab6f31
52 changed files with 172 additions and 7 deletions
--- a/cMake/FreeCAD_Helpers/InitializeFreeCADBuildOptions.cmake
+++ b/cMake/FreeCAD_Helpers/InitializeFreeCADBuildOptions.cmake
@@ -58,6 +58,8 @@ macro(InitializeFreeCADBuildOptions)
            message("Libpack NOT found.\nIf you intend to use a Windows libpack, set the FREECAD_LIBPACK_DIR to the libpack directory.")
            message(STATUS "Visit: https://github.com/FreeCAD/FreeCAD-Libpack/releases/ for Windows libpack downloads.")
        endif()
+    elseif(CMAKE_COMPILER_IS_GNUCXX OR CMAKE_COMPILER_IS_CLANGXX)
+        option(FREECAD_WARN_ERROR "Make all warnings into errors. " OFF)
    else(MSVC)
        option(FREECAD_LIBPACK_USE "Use the LibPack to Build FreeCAD (only Win32 so far)." OFF)
        set(FREECAD_LIBPACK_DIR ""  CACHE PATH  "Directory of the FreeCAD LibPack")
--- a/cMake/FreeCadMacros.cmake
+++ b/cMake/FreeCadMacros.cmake
@@ -268,3 +268,9 @@ MACRO(SET_PYTHON_PREFIX_SUFFIX ProjectName)
        set_target_properties(${ProjectName} PROPERTIES SUFFIX ".so")
    endif(WIN32)
 ENDMACRO(SET_PYTHON_PREFIX_SUFFIX)
+
+function(target_compile_warn_error ProjectName)
+    if(CMAKE_COMPILER_IS_GNUCXX OR CMAKE_COMPILER_IS_CLANGXX)
+        target_compile_options(${ProjectName} PRIVATE -Werror)
+    endif()
+endfunction()
--- a/src/App/CMakeLists.txt
+++ b/src/App/CMakeLists.txt
@@ -342,6 +342,9 @@ endif(FREECAD_USE_PCH)

 add_library(FreeCADApp SHARED ${FreeCADApp_SRCS})
 target_link_libraries(FreeCADApp ${FreeCADApp_LIBS})
+if (FREECAD_WARN_ERROR)
+    target_compile_warn_error(FreeCADApp)
+endif()

 add_dependencies(FreeCADApp fc_version)

--- a/src/Base/CMakeLists.txt
+++ b/src/Base/CMakeLists.txt
@@ -388,6 +388,9 @@ endif(FREECAD_USE_PCH)
 add_library(FreeCADBase SHARED ${FreeCADBase_SRCS})

 target_link_libraries(FreeCADBase ${FreeCADBase_LIBS})
+if (FREECAD_WARN_ERROR)
+    target_compile_warn_error(FreeCADBase)
+endif()

 SET_BIN_DIR(FreeCADBase FreeCADBase)

--- a/src/Gui/CMakeLists.txt
+++ b/src/Gui/CMakeLists.txt
@@ -21,11 +21,11 @@ if (FREECAD_USE_3DCONNEXION)
 endif(FREECAD_USE_3DCONNEXION)

 if(FREECAD_USE_3DCONNEXION_NAVLIB AND (MSVC OR APPLE))
-	add_definitions(-DUSE_3DCONNEXION_NAVLIB)
-	if(APPLE)
-		add_definitions(-D__APPLE__)
-	endif(APPLE)
-	set(3DCONNEXION_INCLUDE_DIR ${CMAKE_SOURCE_DIR}/src/3rdParty/3Dconnexion/inc)
+    add_definitions(-DUSE_3DCONNEXION_NAVLIB)
+    if(APPLE)
+        add_definitions(-D__APPLE__)
+    endif(APPLE)
+    set(3DCONNEXION_INCLUDE_DIR ${CMAKE_SOURCE_DIR}/src/3rdParty/3Dconnexion/inc)
 endif(FREECAD_USE_3DCONNEXION_NAVLIB AND (MSVC OR APPLE))

 if (BUILD_VR)
@@ -1344,6 +1344,9 @@ endif ()

 add_library(FreeCADGui SHARED ${FreeCADGui_SRCS})
 target_link_libraries(FreeCADGui ${FreeCADGui_LIBS})
+if (FREECAD_WARN_ERROR)
+    target_compile_warn_error(FreeCADGui)
+endif()

 SET_BIN_DIR(FreeCADGui FreeCADGui)

--- a/src/Main/CMakeLists.txt
+++ b/src/Main/CMakeLists.txt
@@ -46,6 +46,9 @@ if(BUILD_GUI)

    add_executable(FreeCADMain WIN32 ${FreeCAD_SRCS})
    target_link_libraries(FreeCADMain ${FreeCAD_LIBS})
+    if (FREECAD_WARN_ERROR)
+        target_compile_warn_error(FreeCADMain)
+    endif()

    SET_BIN_DIR(FreeCADMain FreeCAD)

@@ -92,6 +95,9 @@ endif(NOT BUILD_DYNAMIC_LINK_PYTHON)
 target_link_libraries(FreeCADMainCmd
    ${FreeCADMainCmd_LIBS}
 )
+if (FREECAD_WARN_ERROR)
+    target_compile_warn_error(FreeCADMainCmd)
+endif()

 SET_BIN_DIR(FreeCADMainCmd FreeCADCmd)

@@ -120,6 +126,9 @@ SET(FreeCADMainPy_SRCS
 add_library(FreeCADMainPy SHARED ${FreeCADMainPy_SRCS})

 target_link_libraries(FreeCADMainPy FreeCADApp)
+if (FREECAD_WARN_ERROR)
+    target_compile_warn_error(FreeCADMainPy)
+endif()

 SET_BIN_DIR(FreeCADMainPy FreeCAD)
 SET_PYTHON_PREFIX_SUFFIX(FreeCADMainPy)
@@ -145,6 +154,9 @@ if(BUILD_GUI)
    add_library(FreeCADGuiPy SHARED ${FreeCADGuiPy_SRCS})

    target_link_libraries(FreeCADGuiPy FreeCADGui)
+    if (FREECAD_WARN_ERROR)
+        target_compile_warn_error(FreeCADGuiPy)
+    endif()

    SET_BIN_DIR(FreeCADGuiPy FreeCADGui)
    SET_PYTHON_PREFIX_SUFFIX(FreeCADGuiPy)
--- a/src/Mod/Assembly/App/CMakeLists.txt
+++ b/src/Mod/Assembly/App/CMakeLists.txt
@@ -52,6 +52,9 @@ SET(Assembly_SRCS

 add_library(Assembly SHARED ${Assembly_SRCS})
 target_link_libraries(Assembly ${Assembly_LIBS})
+if (FREECAD_WARN_ERROR)
+    target_compile_warn_error(Assembly)
+endif()

 if(FREECAD_USE_PCH)
    add_definitions(-D_PreComp_)
--- a/src/Mod/Assembly/Gui/CMakeLists.txt
+++ b/src/Mod/Assembly/Gui/CMakeLists.txt
@@ -67,6 +67,9 @@ SET(AssemblyGuiIcon_SVG

 add_library(AssemblyGui SHARED ${AssemblyGui_SRCS} ${AssemblyGuiIcon_SVG})
 target_link_libraries(AssemblyGui ${AssemblyGui_LIBS})
+if (FREECAD_WARN_ERROR)
+    target_compile_warn_error(AssemblyGui)
+endif()

 SET_BIN_DIR(AssemblyGui AssemblyGui /Mod/Assembly)
 SET_PYTHON_PREFIX_SUFFIX(AssemblyGui)
--- a/src/Mod/CAM/App/CMakeLists.txt
+++ b/src/Mod/CAM/App/CMakeLists.txt
@@ -17,7 +17,6 @@ include_directories(
 link_directories(${OCC_LIBRARY_DIR})

 set(Path_LIBS
-#   Robot
    Part
    area-native
    FreeCADApp
@@ -120,6 +119,9 @@ SOURCE_GROUP("Module" FILES ${Mod_SRCS})

 add_library(Path SHARED ${Path_SRCS})
 target_link_libraries(Path ${Path_LIBS})
+if (FREECAD_WARN_ERROR)
+    target_compile_warn_error(Path)
+endif()

 # Boost >= 1.75.0
 if(NOT ${Boost_VERSION} LESS 107500)
--- a/src/Mod/CAM/Gui/CMakeLists.txt
+++ b/src/Mod/CAM/Gui/CMakeLists.txt
@@ -85,6 +85,9 @@ SET(PathGuiIcon_SVG

 add_library(PathGui SHARED ${PathGui_SRCS} ${PathGuiIcon_SVG})
 target_link_libraries(PathGui ${PathGui_LIBS})
+if (FREECAD_WARN_ERROR)
+    target_compile_warn_error(PathGui)
+endif()

 SET_BIN_DIR(PathGui PathGui /Mod/CAM)
 SET_PYTHON_PREFIX_SUFFIX(PathGui)
--- a/src/Mod/CAM/PathSimulator/App/CMakeLists.txt
+++ b/src/Mod/CAM/PathSimulator/App/CMakeLists.txt
@@ -43,6 +43,9 @@ SOURCE_GROUP("Python" FILES ${Python_SRCS})

 add_library(PathSimulator SHARED ${PathSimulator_SRCS})
 target_link_libraries(PathSimulator ${PathSimulator_LIBS})
+if (FREECAD_WARN_ERROR)
+    target_compile_warn_error(PathSimulator)
+endif()

 SET_BIN_DIR(PathSimulator PathSimulator /Mod/CAM)
 SET_PYTHON_PREFIX_SUFFIX(PathSimulator)
--- a/src/Mod/CAM/PathSimulator/AppGL/CMakeLists.txt
+++ b/src/Mod/CAM/PathSimulator/AppGL/CMakeLists.txt
@@ -96,6 +96,9 @@ endif(FREECAD_USE_PCH)

 add_library(CAMSimulator SHARED ${CAMSimulator_SRCS})
 target_link_libraries(CAMSimulator ${CAMSimulator_LIBS})
+if (FREECAD_WARN_ERROR)
+    target_compile_warn_error(CAMSimulator)
+endif()

 SET_BIN_DIR(CAMSimulator CAMSimulator /Mod/CAM)
 SET_PYTHON_PREFIX_SUFFIX(CAMSimulator)
--- a/src/Mod/Draft/App/CMakeLists.txt
+++ b/src/Mod/Draft/App/CMakeLists.txt
@@ -31,6 +31,9 @@ SET(DraftUtils_SRCS

 add_library(DraftUtils SHARED ${DraftUtils_SRCS})
 target_link_libraries(DraftUtils ${DraftUtils_LIBS})
+if (FREECAD_WARN_ERROR)
+    target_compile_warn_error(DraftUtils)
+endif()


 SET_BIN_DIR(DraftUtils DraftUtils /Mod/Draft)
--- a/src/Mod/Drawing/App/CMakeLists.txt
+++ b/src/Mod/Drawing/App/CMakeLists.txt
@@ -67,6 +67,9 @@ endif(FREECAD_USE_PCH)

 add_library(Drawing SHARED ${Drawing_SRCS} ${Features_SRCS} ${DrawingAlgos_SRCS})
 target_link_libraries(Drawing ${Drawing_LIBS})
+if (FREECAD_WARN_ERROR)
+    target_compile_warn_error(Drawing)
+endif()

 SET_BIN_DIR(Drawing Drawing /Mod/Drawing)
 SET_PYTHON_PREFIX_SUFFIX(Drawing)
--- a/src/Mod/Drawing/Gui/CMakeLists.txt
+++ b/src/Mod/Drawing/Gui/CMakeLists.txt
@@ -83,6 +83,9 @@ SET(DrawingGuiIcon_SVG
 add_library(DrawingGui SHARED ${DrawingGui_SRCS} ${DrawingGuiView_SRCS}
                              ${DrawingGuiViewProvider_SRCS} ${DrawingGuiIcon_SVG})
 target_link_libraries(DrawingGui ${DrawingGui_LIBS})
+if (FREECAD_WARN_ERROR)
+    target_compile_warn_error(DrawingGui)
+endif()


 SET_BIN_DIR(DrawingGui DrawingGui /Mod/Drawing)
--- a/src/Mod/Fem/App/CMakeLists.txt
+++ b/src/Mod/Fem/App/CMakeLists.txt
@@ -197,6 +197,9 @@ endif(FREECAD_USE_PCH)

 add_library(Fem SHARED ${Fem_SRCS})
 target_link_libraries(Fem ${Fem_LIBS} ${VTK_LIBRARIES})
+if (FREECAD_WARN_ERROR)
+    target_compile_warn_error(Fem)
+endif()

 find_package(OpenMP 4.0)
 if(OpenMP_CXX_FOUND)
--- a/src/Mod/Fem/Gui/CMakeLists.txt
+++ b/src/Mod/Fem/Gui/CMakeLists.txt
@@ -369,6 +369,9 @@ SET(FemGuiSymbol_IV

 add_library(FemGui SHARED ${FemGui_SRCS} ${FemGuiIcon_SVG} ${FemGuiSymbol_IV})
 target_link_libraries(FemGui ${FemGui_LIBS} ${VTK_LIBRARIES})
+if (FREECAD_WARN_ERROR)
+    target_compile_warn_error(FemGui)
+endif()

 fc_copy_sources(FemGui "${CMAKE_BINARY_DIR}/${CMAKE_INSTALL_DATADIR}/Mod/Fem" ${FemGuiIcon_SVG})
 fc_copy_sources(FemGui "${CMAKE_BINARY_DIR}/${CMAKE_INSTALL_DATADIR}/Mod/Fem" ${FemGuiSymbol_IV})
--- a/src/Mod/Import/App/CMakeLists.txt
+++ b/src/Mod/Import/App/CMakeLists.txt
@@ -87,6 +87,9 @@ generate_from_xml(StepShapePy)

 add_library(Import SHARED ${Import_SRCS})
 target_link_libraries(Import ${Import_LIBS})
+if (FREECAD_WARN_ERROR)
+    target_compile_warn_error(Import)
+endif()

 ADD_CUSTOM_TARGET(ImportPy ALL
    SOURCES ${SCL_Resources}
--- a/src/Mod/Import/Gui/CMakeLists.txt
+++ b/src/Mod/Import/Gui/CMakeLists.txt
@@ -39,6 +39,9 @@ SET(ImportGui_SRCS

 add_library(ImportGui SHARED ${ImportGui_SRCS})
 target_link_libraries(ImportGui ${ImportGui_LIBS})
+if (FREECAD_WARN_ERROR)
+    target_compile_warn_error(ImportGui)
+endif()


 SET_BIN_DIR(ImportGui ImportGui /Mod/Import)
--- a/src/Mod/Inspection/App/CMakeLists.txt
+++ b/src/Mod/Inspection/App/CMakeLists.txt
@@ -38,6 +38,9 @@ endif(FREECAD_USE_PCH)

 add_library(Inspection SHARED ${Inspection_SRCS} ${Inspection_Scripts})
 target_link_libraries(Inspection ${Inspection_LIBS})
+if (FREECAD_WARN_ERROR)
+    target_compile_warn_error(Inspection)
+endif()

 fc_target_copy_resource_flat(Inspection
    ${CMAKE_CURRENT_SOURCE_DIR}
--- a/src/Mod/Inspection/Gui/CMakeLists.txt
+++ b/src/Mod/Inspection/Gui/CMakeLists.txt
@@ -57,6 +57,9 @@ SET(InspectionGuiIcon_SVG

 add_library(InspectionGui SHARED ${InspectionGui_SRCS} ${InspectionGui_Scripts} ${InspectionGuiIcon_SVG})
 target_link_libraries(InspectionGui ${InspectionGui_LIBS})
+if (FREECAD_WARN_ERROR)
+    target_compile_warn_error(InspectionGui)
+endif()


 fc_target_copy_resource_flat(InspectionGui
--- a/src/Mod/JtReader/App/CMakeLists.txt
+++ b/src/Mod/JtReader/App/CMakeLists.txt
@@ -56,6 +56,9 @@ SOURCE_GROUP("Module" FILES ${JtReader_SRCS})

 add_library(JtReader SHARED ${JtReader_SRCS} ${JRJT_SRCS} ${JtReader_Scripts})
 target_link_libraries(JtReader ${JtReader_LIBS})
+if (FREECAD_WARN_ERROR)
+    target_compile_warn_error(JtReader)
+endif()

 fc_target_copy_resource_flat(JtReader
    ${CMAKE_CURRENT_SOURCE_DIR}
--- a/src/Mod/Material/App/CMakeLists.txt
+++ b/src/Mod/Material/App/CMakeLists.txt
@@ -118,6 +118,9 @@ endif(FREECAD_USE_PCH)

 add_library(Materials SHARED ${Materials_SRCS})
 target_link_libraries(Materials ${Materials_LIBS})
+if (FREECAD_WARN_ERROR)
+    target_compile_warn_error(Materials)
+endif()

 SET_BIN_DIR(Materials Materials /Mod/Material)
 SET_PYTHON_PREFIX_SUFFIX(Materials)
--- a/src/Mod/Material/Gui/CMakeLists.txt
+++ b/src/Mod/Material/Gui/CMakeLists.txt
@@ -156,6 +156,9 @@ SET(MatGuiImages

 add_library(MatGui SHARED ${MatGui_SRCS} ${MatGuiIcon_SVG} ${MatGuiImages})
 target_link_libraries(MatGui ${MatGui_LIBS})
+if (FREECAD_WARN_ERROR)
+    target_compile_warn_error(MatGui)
+endif()

 SET_BIN_DIR(MatGui MatGui /Mod/Material)
 SET_PYTHON_PREFIX_SUFFIX(MatGui)
--- a/src/Mod/Measure/App/CMakeLists.txt
+++ b/src/Mod/Measure/App/CMakeLists.txt
@@ -71,6 +71,9 @@ endif(FREECAD_USE_PCH)

 add_library(Measure SHARED ${Measure_SRCS})
 target_link_libraries(Measure ${Measure_LIBS})
+if (FREECAD_WARN_ERROR)
+    target_compile_warn_error(Measure)
+endif()

 #if(MSVC)
 #    set_target_properties(Measure PROPERTIES SUFFIX ".pyd")
--- a/src/Mod/Measure/Gui/CMakeLists.txt
+++ b/src/Mod/Measure/Gui/CMakeLists.txt
@@ -86,6 +86,9 @@ SET(MeasureGuiIcon_SVG

 add_library(MeasureGui SHARED ${MeasureGui_SRCS} ${MeasureGuiIcon_SVG})
 target_link_libraries(MeasureGui ${MeasureGui_LIBS})
+if (FREECAD_WARN_ERROR)
+    target_compile_warn_error(MeasureGui)
+endif()

 SET_BIN_DIR(MeasureGui MeasureGui /Mod/Measure)
 SET_PYTHON_PREFIX_SUFFIX(MeasureGui)
--- a/src/Mod/Mesh/App/CMakeLists.txt
+++ b/src/Mod/Mesh/App/CMakeLists.txt
@@ -412,6 +412,9 @@ add_library(Mesh SHARED ${Core_SRCS} ${WildMagic4_SRCS} ${Mesh_SRCS})
 target_link_libraries(Mesh ${Mesh_LIBS})
 set_target_properties(Mesh PROPERTIES CXX_STANDARD_REQUIRED ON)
 set_target_properties(Mesh PROPERTIES CXX_STANDARD 17)
+if (FREECAD_WARN_ERROR)
+    target_compile_warn_error(Mesh)
+endif()


 SET_BIN_DIR(Mesh Mesh /Mod/Mesh)
--- a/src/Mod/Mesh/Gui/CMakeLists.txt
+++ b/src/Mod/Mesh/Gui/CMakeLists.txt
@@ -170,6 +170,9 @@ endif ()

 add_library(MeshGui SHARED ${MeshGui_SRCS} ${MeshGuiIcon_SVG})
 target_link_libraries(MeshGui ${MeshGui_LIBS})
+if (FREECAD_WARN_ERROR)
+    target_compile_warn_error(MeshGui)
+endif()


 SET_BIN_DIR(MeshGui MeshGui /Mod/Mesh)
--- a/src/Mod/MeshPart/App/CMakeLists.txt
+++ b/src/Mod/MeshPart/App/CMakeLists.txt
@@ -75,6 +75,9 @@ endif()

 add_library(MeshPart SHARED ${MeshPart_SRCS} ${MeshPart_Scripts})
 target_link_libraries(MeshPart ${MeshPart_LIBS})
+if (FREECAD_WARN_ERROR)
+    target_compile_warn_error(MeshPart)
+endif()


 fc_target_copy_resource_flat(MeshPart
--- a/src/Mod/MeshPart/Gui/CMakeLists.txt
+++ b/src/Mod/MeshPart/Gui/CMakeLists.txt
@@ -81,6 +81,9 @@ endif(FREECAD_USE_PCH)

 add_library(MeshPartGui SHARED ${MeshPartGui_SRCS} ${MeshPartGui_Scripts} ${FLATMESH_PY_SRCS})
 target_link_libraries(MeshPartGui ${MeshPartGui_LIBS})
+if (FREECAD_WARN_ERROR)
+    target_compile_warn_error(MeshPartGui)
+endif()


 SET_BIN_DIR(MeshPartGui MeshPartGui /Mod/MeshPart)
--- a/src/Mod/Part/App/CMakeLists.txt
+++ b/src/Mod/Part/App/CMakeLists.txt
@@ -582,6 +582,9 @@ endif()

 add_library(Part SHARED ${Part_SRCS})
 target_link_libraries(Part ${Part_LIBS})
+if (FREECAD_WARN_ERROR)
+    target_compile_warn_error(Part)
+endif()

 SET_BIN_DIR(Part Part /Mod/Part)
 SET_PYTHON_PREFIX_SUFFIX(Part)
--- a/src/Mod/Part/Gui/CMakeLists.txt
+++ b/src/Mod/Part/Gui/CMakeLists.txt
@@ -259,6 +259,9 @@ SET(PartGuiIcon_SVG

 add_library(PartGui SHARED ${PartGui_SRCS} ${PartGuiIcon_SVG})
 target_link_libraries(PartGui ${PartGui_LIBS})
+if (FREECAD_WARN_ERROR)
+    target_compile_warn_error(PartGui)
+endif()


 SET_BIN_DIR(PartGui PartGui /Mod/Part)
--- a/src/Mod/PartDesign/App/CMakeLists.txt
+++ b/src/Mod/PartDesign/App/CMakeLists.txt
@@ -143,6 +143,9 @@ SET(PartDesign_SRCS

 add_library(PartDesign SHARED ${PartDesign_SRCS})
 target_link_libraries(PartDesign ${PartDesign_LIBS})
+if (FREECAD_WARN_ERROR)
+    target_compile_warn_error(PartDesign)
+endif()

 if(FREECAD_USE_PCH)
    add_definitions(-D_PreComp_)
--- a/src/Mod/PartDesign/Gui/CMakeLists.txt
+++ b/src/Mod/PartDesign/Gui/CMakeLists.txt
@@ -259,6 +259,9 @@ SET(PartDesignGuiIcon_SVG

 add_library(PartDesignGui SHARED ${PartDesignGui_SRCS} ${PartDesignGuiIcon_SVG})
 target_link_libraries(PartDesignGui ${PartDesignGui_LIBS})
+if (FREECAD_WARN_ERROR)
+    target_compile_warn_error(PartDesignGui)
+endif()

 SET_BIN_DIR(PartDesignGui PartDesignGui /Mod/PartDesign)
 SET_PYTHON_PREFIX_SUFFIX(PartDesignGui)
--- a/src/Mod/Points/App/CMakeLists.txt
+++ b/src/Mod/Points/App/CMakeLists.txt
@@ -66,6 +66,9 @@ add_library(Points SHARED ${Points_SRCS} ${Points_Scripts})
 link_directories(${CMAKE_BINARY_DIR}/src/3rdParty/libE57Format)

 target_link_libraries(Points E57Format ${Points_LIBS})
+if (FREECAD_WARN_ERROR)
+    target_compile_warn_error(Points)
+endif()


 fc_target_copy_resource_flat(Points
--- a/src/Mod/Points/Gui/CMakeLists.txt
+++ b/src/Mod/Points/Gui/CMakeLists.txt
@@ -66,6 +66,9 @@ endif(FREECAD_USE_PCH)

 add_library(PointsGui SHARED ${PointsGui_SRCS} ${PointsGui_Scripts} ${PointsGuiIcon_SVG})
 target_link_libraries(PointsGui ${PointsGui_LIBS})
+if (FREECAD_WARN_ERROR)
+    target_compile_warn_error(PointsGui)
+endif()

 fc_target_copy_resource_flat(PointsGui
    ${CMAKE_CURRENT_SOURCE_DIR}
--- a/src/Mod/ReverseEngineering/App/CMakeLists.txt
+++ b/src/Mod/ReverseEngineering/App/CMakeLists.txt
@@ -74,6 +74,9 @@ endif(FREECAD_USE_PCH)

 add_library(ReverseEngineering SHARED ${Reen_SRCS})
 target_link_libraries(ReverseEngineering ${Reen_LIBS})
+if (FREECAD_WARN_ERROR)
+    target_compile_warn_error(ReverseEngineering)
+endif()

 SET_BIN_DIR(ReverseEngineering ReverseEngineering /Mod/ReverseEngineering)
 SET_PYTHON_PREFIX_SUFFIX(ReverseEngineering)
--- a/src/Mod/ReverseEngineering/Gui/CMakeLists.txt
+++ b/src/Mod/ReverseEngineering/Gui/CMakeLists.txt
@@ -70,6 +70,9 @@ endif(FREECAD_USE_PCH)

 add_library(ReverseEngineeringGui SHARED ${ReenGui_SRCS} ${ReverseEngineeringGuiIcon_SVG})
 target_link_libraries(ReverseEngineeringGui ${ReenGui_LIBS})
+if (FREECAD_WARN_ERROR)
+    target_compile_warn_error(ReverseEngineeringGui)
+endif()

 SET_BIN_DIR(ReverseEngineeringGui ReverseEngineeringGui /Mod/ReverseEngineering)
 SET_PYTHON_PREFIX_SUFFIX(ReverseEngineeringGui)
--- a/src/Mod/Robot/App/CMakeLists.txt
+++ b/src/Mod/Robot/App/CMakeLists.txt
@@ -123,6 +123,9 @@ SOURCE_GROUP("Module" FILES ${Mod_SRCS})

 add_library(Robot SHARED ${Robot_SRCS})
 target_link_libraries(Robot ${Robot_LIBS})
+if (FREECAD_WARN_ERROR)
+    target_compile_warn_error(Robot)
+endif()

 unset(_flag_found CACHE)
 check_cxx_compiler_flag("-Wno-deprecated-copy" _flag_found)
--- a/src/Mod/Robot/Gui/CMakeLists.txt
+++ b/src/Mod/Robot/Gui/CMakeLists.txt
@@ -127,6 +127,9 @@ SET(RobotGuiIcon_SVG

 add_library(RobotGui SHARED ${RobotGui_SRCS} ${RobotGuiIcon_SVG})
 target_link_libraries(RobotGui ${RobotGui_LIBS})
+if (FREECAD_WARN_ERROR)
+    target_compile_warn_error(RobotGui)
+endif()

 unset(_flag_found CACHE)
 check_cxx_compiler_flag("-Wno-deprecated-copy" _flag_found)
--- a/src/Mod/Sketcher/App/CMakeLists.txt
+++ b/src/Mod/Sketcher/App/CMakeLists.txt
@@ -145,6 +145,9 @@ SET(Sketcher_PCH_SRCS

 add_library(Sketcher SHARED ${Sketcher_SRCS})
 target_link_libraries(Sketcher ${Sketcher_LIBS})
+if (FREECAD_WARN_ERROR)
+    target_compile_warn_error(Sketcher)
+endif()

 if(FREECAD_USE_PCH)
    add_definitions(-D_PreComp_)
--- a/src/Mod/Sketcher/Gui/CMakeLists.txt
+++ b/src/Mod/Sketcher/Gui/CMakeLists.txt
@@ -197,7 +197,9 @@ SET(SketcherGuiIcon_SVG

 add_library(SketcherGui SHARED ${SketcherGui_SRCS} ${SketcherGuiIcon_SVG})
 target_link_libraries(SketcherGui ${SketcherGui_LIBS})
-
+if (FREECAD_WARN_ERROR)
+    target_compile_warn_error(SketcherGui)
+endif()

 SET_BIN_DIR(SketcherGui SketcherGui /Mod/Sketcher)
 SET_PYTHON_PREFIX_SUFFIX(SketcherGui)
--- a/src/Mod/Spreadsheet/App/CMakeLists.txt
+++ b/src/Mod/Spreadsheet/App/CMakeLists.txt
@@ -57,6 +57,9 @@ endif(FREECAD_USE_PCH)

 add_library(Spreadsheet SHARED ${Spreadsheet_SRCS})
 target_link_libraries(Spreadsheet ${Spreadsheet_LIBS})
+if (FREECAD_WARN_ERROR)
+    target_compile_warn_error(Spreadsheet)
+endif()


 SET_BIN_DIR(Spreadsheet Spreadsheet /Mod/Spreadsheet)
--- a/src/Mod/Spreadsheet/Gui/CMakeLists.txt
+++ b/src/Mod/Spreadsheet/Gui/CMakeLists.txt
@@ -110,6 +110,9 @@ set(SpreadsheetGui_UIC_SRCS

 add_library(SpreadsheetGui SHARED ${SpreadsheetGui_SRCS} ${SpreadsheetGuiIcon_SVG})
 target_link_libraries(SpreadsheetGui ${SpreadsheetGui_LIBS})
+if (FREECAD_WARN_ERROR)
+    target_compile_warn_error(SpreadsheetGui)
+endif()

 SET_BIN_DIR(SpreadsheetGui SpreadsheetGui /Mod/Spreadsheet)
 SET_PYTHON_PREFIX_SUFFIX(SpreadsheetGui)
--- a/src/Mod/Start/App/CMakeLists.txt
+++ b/src/Mod/Start/App/CMakeLists.txt
@@ -43,6 +43,9 @@ SET(Start_SRCS

 add_library(Start SHARED ${Start_SRCS})
 target_link_libraries(Start ${Start_LIBS})
+if (FREECAD_WARN_ERROR)
+    target_compile_warn_error(Start)
+endif()

 SET_BIN_DIR(Start Start /Mod/Start)
 SET_PYTHON_PREFIX_SUFFIX(Start)
--- a/src/Mod/Start/Gui/CMakeLists.txt
+++ b/src/Mod/Start/Gui/CMakeLists.txt
@@ -91,6 +91,9 @@ endif (FREECAD_USE_PCH)
 add_library(StartGui SHARED ${StartGui_SRCS} ${StartGuiIcon_SVG} ${StartGuiThumbnail_PNG})
 # target_link_libraries(StartGui ${StartGui_LIBS} Qt::Quick Qt::Qml Qt::QuickWidgets)
 target_link_libraries(StartGui ${StartGui_LIBS})
+if (FREECAD_WARN_ERROR)
+    target_compile_warn_error(StartGui)
+endif()

 SET_BIN_DIR(StartGui StartGui /Mod/Start)
 SET_PYTHON_PREFIX_SUFFIX(StartGui)
--- a/src/Mod/Surface/App/CMakeLists.txt
+++ b/src/Mod/Surface/App/CMakeLists.txt
@@ -71,6 +71,9 @@ endif(FREECAD_USE_PCH)
 link_directories(${OCC_LIBRARY_DIR})
 add_library(Surface SHARED ${Surface_SRCS})
 target_link_libraries(Surface ${Surface_LIBS})
+if (FREECAD_WARN_ERROR)
+    target_compile_warn_error(Surface)
+endif()

 SET_BIN_DIR(Surface Surface /Mod/Surface)
 SET_PYTHON_PREFIX_SUFFIX(Surface)
--- a/src/Mod/Surface/Gui/CMakeLists.txt
+++ b/src/Mod/Surface/Gui/CMakeLists.txt
@@ -72,6 +72,9 @@ endif(FREECAD_USE_PCH)
 link_directories(${OCC_LIBRARY_DIR})
 add_library(SurfaceGui SHARED ${SurfaceGui_SRCS} ${SurfaceGuiIcon_SVG})
 target_link_libraries(SurfaceGui ${SurfaceGui_LIBS})
+if (FREECAD_WARN_ERROR)
+    target_compile_warn_error(SurfaceGui)
+endif()

 SET_BIN_DIR(SurfaceGui SurfaceGui /Mod/Surface)
 SET_PYTHON_PREFIX_SUFFIX(SurfaceGui)
--- a/src/Mod/TechDraw/App/CMakeLists.txt
+++ b/src/Mod/TechDraw/App/CMakeLists.txt
@@ -277,6 +277,9 @@ endif(FREECAD_USE_PCH)
 add_library(TechDraw SHARED ${TechDraw_SRCS} ${Draw_SRCS} ${TechDrawAlgos_SRCS}
                           ${Geometry_SRCS} ${Python_SRCS})
 target_link_libraries(TechDraw ${TechDrawLIBS} ${TechDraw})
+if (FREECAD_WARN_ERROR)
+    target_compile_warn_error(TechDraw)
+endif()

 ADD_CUSTOM_COMMAND(TARGET TechDraw
                   POST_BUILD
--- a/src/Mod/TechDraw/Gui/CMakeLists.txt
+++ b/src/Mod/TechDraw/Gui/CMakeLists.txt
@@ -479,6 +479,9 @@ endif(FREECAD_USE_PCH)
 add_library(TechDrawGui SHARED ${TechDrawGui_SRCS} ${TechDrawGuiView_SRCS} ${TechDrawGuiViewProvider_SRCS}
                               ${TechDrawGuiNav_SRCS} ${TechDrawGuiIcon_SVG} ${TechDrawGuiFonts} ${MRTE_SRCS})
 target_link_libraries(TechDrawGui ${TechDrawGui_LIBS})
+if (FREECAD_WARN_ERROR)
+    target_compile_warn_error(TechDrawGui)
+endif()

 fc_copy_sources(TechDrawGui "${CMAKE_BINARY_DIR}/${CMAKE_INSTALL_DATADIR}/Mod/TechDraw/" ${TechDrawGuiIcon_SVG})
 INSTALL(FILES ${TechDrawGuiIcon_SVG} DESTINATION "${CMAKE_INSTALL_DATADIR}/Mod/TechDraw/Resources/icons")
--- a/src/Mod/Test/Gui/CMakeLists.txt
+++ b/src/Mod/Test/Gui/CMakeLists.txt
@@ -61,6 +61,9 @@ add_library(QtUnitGui SHARED ${TestGui_SRCS} ${TestGuiPy_SRCS} ${TestGuiIcon_SVG

 target_link_libraries(QtUnitGui ${TestGui_LIBS})
 add_dependencies(QtUnitGui Test)
+if (FREECAD_WARN_ERROR)
+    target_compile_warn_error(QtUnitGui)
+endif()

 fc_copy_sources(QtUnitGui "${CMAKE_BINARY_DIR}/Mod/Test" qtunittest.py)
 fc_copy_sources(QtUnitGui "${CMAKE_BINARY_DIR}/${CMAKE_INSTALL_DATADIR}/Mod/Test" ${TestGuiIcon_SVG})
--- a/src/Mod/Web/App/CMakeLists.txt
+++ b/src/Mod/Web/App/CMakeLists.txt
@@ -31,6 +31,9 @@ endif(FREECAD_USE_PCH)

 add_library(Web SHARED ${Web_SRCS})
 target_link_libraries(Web ${Web_LIBS})
+if (FREECAD_WARN_ERROR)
+    target_compile_warn_error(Web)
+endif()

 SET_BIN_DIR(Web Web /Mod/Web)
 SET_PYTHON_PREFIX_SUFFIX(Web)