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

src/Mod/Mesh/App/CMakeLists.txt

@@ -376,6 +376,16 @@ if(FREECAD_USE_PCH)
     ADD_MSVC_PRECOMPILED_HEADER(Mesh 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(
+        Core/Approximation.cpp
+        Core/CylinderFit.cpp
+        Core/SphereFit.cpp
+        Core/KDTree.cpp
+        PROPERTIES COMPILE_FLAGS ${EIGEN3_NO_DEPRECATED_COPY})
+endif ()
+
 add_library(Mesh SHARED ${Core_SRCS} ${WildMagic4_SRCS} ${Mesh_SRCS})
 target_link_libraries(Mesh ${Mesh_LIBS})
 

src/Mod/Mesh/App/Core/Approximation.cpp

@@ -29,12 +29,6 @@
 # include <iterator> 
 #endif
 
-#if defined(__clang__) && defined(__has_warning)
-#if __has_warning("-Wdeprecated-copy")
-# pragma clang diagnostic ignored "-Wdeprecated-copy"
-#endif
-#endif
-
 #include "Approximation.h"
 #include "Elements.h"
 #include "Utilities.h"

src/Mod/Mesh/App/Core/CylinderFit.cpp

@@ -61,12 +61,6 @@
 # include <iterator> 
 #endif
 
-#if defined(__clang__) && defined(__has_warning)
-#if __has_warning("-Wdeprecated-copy")
-# pragma clang diagnostic ignored "-Wdeprecated-copy"
-#endif
-#endif
-
 #include "CylinderFit.h"
 #include <Base/Console.h>
 #include <Mod/Mesh/App/WildMagic4/Wm4ApprLineFit3.h>

src/Mod/Mesh/App/Core/KDTree.cpp

@@ -28,12 +28,6 @@
 #ifndef _PreComp_
 #endif
 
-#if defined(__clang__) && defined(__has_warning)
-#if __has_warning("-Wdeprecated-copy")
-# pragma clang diagnostic ignored "-Wdeprecated-copy"
-#endif
-#endif
-
 #include "KDTree.h"
 #include <kdtree++/kdtree.hpp>
 

src/Mod/Mesh/App/Core/SphereFit.cpp

@@ -28,12 +28,6 @@
 # include <iterator> 
 #endif
 
-#if defined(__clang__) && defined(__has_warning)
-#if __has_warning("-Wdeprecated-copy")
-# pragma clang diagnostic ignored "-Wdeprecated-copy"
-#endif
-#endif
-
 #include "SphereFit.h"
 #include <Base/Console.h>