CMake: Support building 1.0 with LibPack 3.1.0

Author: chennes

cMake/FreeCAD_Helpers/CopyLibpackDirectories.cmake

@@ -15,7 +15,9 @@ macro(CopyLibpackDirectories)
         if(FREECAD_LIBPACK_VERSION VERSION_GREATER_EQUAL "3.0.0")
             file(COPY ${FREECAD_LIBPACK_DIR}/plugins/tls DESTINATION ${CMAKE_BINARY_DIR}/bin)
         endif()
-        file(COPY ${FREECAD_LIBPACK_DIR}/resources DESTINATION ${CMAKE_BINARY_DIR})
+        if(FREECAD_LIBPACK_VERSION VERSION_GREATER_EQUAL "3.0.0" AND FREECAD_LIBPACK_VERSION VERSION_LESS "3.1.0")
+            file(COPY ${FREECAD_LIBPACK_DIR}/resources DESTINATION ${CMAKE_BINARY_DIR})
+        endif()
         message(STATUS "... end copying.\n=======================================\n")
     endif()
 

cMake/UseLibPack3.cmake

@@ -15,6 +15,12 @@ set(SWIG_EXECUTABLE ${FREECAD_LIBPACK_DIR}/bin/swig.exe CACHE FILEPATH "Swig" FO
 find_package(Qt6 REQUIRED PATHS ${FREECAD_LIBPACK_DIR}/lib/cmake NO_DEFAULT_PATH)
 message(STATUS "Found LibPack 3 Qt ${Qt6_VERSION}")
 
+if(FREECAD_LIBPACK_VERSION VERSION_GREATER_EQUAL "3.1.0")
+    find_package(pybind11 REQUIRED PATHS ${FREECAD_LIBPACK_DIR}/share/cmake/pybind11 NO_DEFAULT_PATH)
+    message(STATUS "Found LibPack 3 pybind11 ${pybind11_VERSION}")
+    set(FREECAD_USE_PYBIND11 ON)
+endif()
+
 find_package(XercesC REQUIRED PATHS ${FREECAD_LIBPACK_DIR}/cmake NO_DEFAULT_PATH)
 message(STATUS "Found LibPack 3 XercesC ${XercesC_VERSION}")