clang/gcc/cmake: move handling of suppressed deprecated-copy warnings from source file to CMake file to more easily support gcc 10

src/Mod/Part/App/CMakeLists.txt

@@ -397,6 +397,14 @@ if(FREECAD_USE_PCH)
     ADD_MSVC_PRECOMPILED_HEADER(Part PreCompiled.h PreCompiled.cpp PCH_SRCS)
 endif(FREECAD_USE_PCH)
 
+# Suppress some very long Eigen3 warnings of older versions
+if (EIGEN3_NO_DEPRECATED_COPY)
+    set_source_files_properties(
+        GeometryCurvePyImp.cpp
+        GeometrySurfacePyImp.cpp
+        PROPERTIES COMPILE_FLAGS ${EIGEN3_NO_DEPRECATED_COPY})
+endif ()
+
 add_library(Part SHARED ${Part_SRCS})
 target_link_libraries(Part ${Part_LIBS})
 

src/Mod/Part/App/GeometryCurvePyImp.cpp

@@ -23,12 +23,6 @@
 
 #include "PreCompiled.h"
 
-#if defined(__clang__) && defined(__has_warning)
-#if __has_warning("-Wdeprecated-copy")
-# pragma clang diagnostic ignored "-Wdeprecated-copy"
-#endif
-#endif
-
 #ifndef _PreComp_
 # include <sstream>
 # include <BRepBuilderAPI_MakeEdge.hxx>

src/Mod/Part/App/GeometrySurfacePyImp.cpp

@@ -23,12 +23,6 @@
 
 #include "PreCompiled.h"
 
-#if defined(__clang__) && defined(__has_warning)
-#if __has_warning("-Wdeprecated-copy")
-# pragma clang diagnostic ignored "-Wdeprecated-copy"
-#endif
-#endif
-
 #ifndef _PreComp_
 # include <BRepBuilderAPI_MakeFace.hxx>
 # include <gp_Circ.hxx>