2018-11-11 07:36:10 +00:00
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function(debug message)
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if(DEBUG)
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message(STATUS "${message}")
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endif()
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endfunction()
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2018-10-19 03:51:51 +00:00
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# Given a component name (find_name) and a list of component paths (component_paths),
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# return the path to the component in 'variable'
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#
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# Fatal error is printed if the component is not found.
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function(find_component_path find_name components component_paths variable)
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list(FIND components ${find_name} idx)
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if(NOT idx EQUAL -1)
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list(GET component_paths ${idx} path)
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set("${variable}" "${path}" PARENT_SCOPE)
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return()
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else()
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endif()
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# TODO: find a way to print the dependency chain that lead to this not-found component
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message(WARNING "Required component ${find_name} is not found in any of the provided COMPONENT_DIRS")
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endfunction()
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# components_find_all: Search 'component_dirs' for components and return them
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# as a list of names in 'component_names' and a list of full paths in
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# 'component_paths'
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#
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# component_paths contains only unique component names. Directories
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# earlier in the component_dirs list take precedence.
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function(components_find_all component_dirs component_paths component_names test_component_names)
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# component_dirs entries can be files or lists of files
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set(paths "")
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set(names "")
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set(test_names "")
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# start by expanding the component_dirs list with all subdirectories
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foreach(dir ${component_dirs})
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# Iterate any subdirectories for values
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file(GLOB subdirs LIST_DIRECTORIES true "${dir}/*")
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foreach(subdir ${subdirs})
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set(component_dirs "${component_dirs};${subdir}")
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endforeach()
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endforeach()
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# Look for a component in each component_dirs entry
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foreach(dir ${component_dirs})
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debug("Looking for CMakeLists.txt in ${dir}")
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file(GLOB component "${dir}/CMakeLists.txt")
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if(component)
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debug("CMakeLists.txt file ${component}")
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get_filename_component(component "${component}" DIRECTORY)
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get_filename_component(name "${component}" NAME)
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if(NOT name IN_LIST names)
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list(APPEND names "${name}")
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list(APPEND paths "${component}")
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# Look for test component directory
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file(GLOB test "${component}/test/CMakeLists.txt")
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if(test)
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list(APPEND test_names "${name}")
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endif()
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endif()
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else() # no CMakeLists.txt file
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# test for legacy component.mk and warn
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file(GLOB legacy_component "${dir}/component.mk")
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if(legacy_component)
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get_filename_component(legacy_component "${legacy_component}" DIRECTORY)
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message(WARNING "Component ${legacy_component} contains old-style component.mk but no CMakeLists.txt. "
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"Component will be skipped.")
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endif()
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endif()
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endforeach()
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set(${component_paths} ${paths} PARENT_SCOPE)
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set(${component_names} ${names} PARENT_SCOPE)
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set(${test_component_names} ${test_names} PARENT_SCOPE)
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endfunction()
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