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path: root/doc/snippets/CMakeLists.txt
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file(GLOB snippets_SRCS "*.cpp")

add_custom_target(all_snippets)

foreach(snippet_src ${snippets_SRCS})
  get_filename_component(snippet ${snippet_src} NAME_WE)
  set(compile_snippet_target compile_${snippet})
  set(compile_snippet_src ${compile_snippet_target}.cpp)
  if((NOT ${snippet_src} MATCHES "cxx11") OR EIGEN_COMPILER_SUPPORT_CPP11)
    file(READ ${snippet_src} snippet_source_code)
    configure_file(${CMAKE_CURRENT_SOURCE_DIR}/compile_snippet.cpp.in
                  ${CMAKE_CURRENT_BINARY_DIR}/${compile_snippet_src})
    add_executable(${compile_snippet_target}
                  ${CMAKE_CURRENT_BINARY_DIR}/${compile_snippet_src})
    if(EIGEN_STANDARD_LIBRARIES_TO_LINK_TO)
      target_link_libraries(${compile_snippet_target} ${EIGEN_STANDARD_LIBRARIES_TO_LINK_TO})
    endif()
    if(${snippet_src} MATCHES "cxx11")
      set_target_properties(${compile_snippet_target} PROPERTIES COMPILE_FLAGS "-std=c++11")
    endif()
    if(${snippet_src} MATCHES "deprecated")
      set_target_properties(${compile_snippet_target} PROPERTIES COMPILE_FLAGS "-DEIGEN_NO_DEPRECATED_WARNING")
    endif()
    add_custom_command(
      TARGET ${compile_snippet_target}
      POST_BUILD
      COMMAND ${compile_snippet_target}
      ARGS >${CMAKE_CURRENT_BINARY_DIR}/${snippet}.out
    )
    add_dependencies(all_snippets ${compile_snippet_target})
    set_source_files_properties(${CMAKE_CURRENT_BINARY_DIR}/${compile_snippet_src}
                                PROPERTIES OBJECT_DEPENDS ${snippet_src})
  else()
    message("skip snippet ${snippet_src} because compiler does not support C++11")
  endif()
endforeach()