Refactoring CMakeLists for smart pointers examples.

Documentation/Examples/Pointers/CMakeLists.txt

-IF( BUILD_CUDA )
-   CUDA_ADD_EXECUTABLE(UniquePointerExampleCuda UniquePointerExample.cu)
-   ADD_CUSTOM_COMMAND( COMMAND UniquePointerExampleCuda > ${TNL_DOCUMENTATION_OUTPUT_SNIPPETS_PATH}/UniquePointerExample.out OUTPUT UniquePointerExample.out )
-   CUDA_ADD_EXECUTABLE(SharedPointerExampleCuda SharedPointerExample.cu)
-   ADD_CUSTOM_COMMAND( COMMAND SharedPointerExampleCuda > ${TNL_DOCUMENTATION_OUTPUT_SNIPPETS_PATH}/SharedPointerExample.out OUTPUT SharedPointerExample.out )
-   CUDA_ADD_EXECUTABLE(DevicePointerExampleCuda DevicePointerExample.cu)
-   ADD_CUSTOM_COMMAND( COMMAND DevicePointerExampleCuda > ${TNL_DOCUMENTATION_OUTPUT_SNIPPETS_PATH}/DevicePointerExample.out OUTPUT DevicePointerExample.out )
+set( COMMON_EXAMPLES
+   UniquePointerExample
+   SharedPointerExample
+   DevicePointerExample
+)
 
-ADD_CUSTOM_TARGET( RunPointersExamples ALL DEPENDS
-   UniquePointerExample.out
-   SharedPointerExample.out
-   DevicePointerExample.out
- )
+if( BUILD_CUDA )
+   foreach( target IN ITEMS ${COMMON_EXAMPLES} )
+      cuda_add_executable( ${target}-cuda ${target}.cu OPTIONS )
+      add_custom_command( COMMAND ${target}-cuda > ${TNL_DOCUMENTATION_OUTPUT_SNIPPETS_PATH}/${target}.out OUTPUT ${target}.out )
+      set( CUDA_OUTPUTS ${CUDA_OUTPUTS} ${target}.out )
+   endforeach()
+else()
+   foreach( target IN ITEMS ${COMMON_EXAMPLES} )
+      add_executable( ${target} ${target}.cpp )
+      add_custom_command( COMMAND ${target} > ${TNL_DOCUMENTATION_OUTPUT_SNIPPETS_PATH}/${target}.out OUTPUT ${target}.out )
+      set( HOST_OUTPUTS ${HOST_OUTPUTS} ${target}.out )
+   endforeach()
+endif()
 
+IF( BUILD_CUDA )
+   ADD_CUSTOM_TARGET( RunPointersExamples-cuda ALL DEPENDS ${CUDA_OUTPUTS} )
+ELSE()
+   ADD_CUSTOM_TARGET( RunPointersExamples ALL DEPENDS ${HOST_OUTPUTS} )
 ENDIF()
+