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cmake: refactor finding components

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This commit is contained in:
Renz Christian Bagaporo 2019-07-10 16:28:44 +08:00
parent db9979701a
commit d7569b5862
1 changed files with 31 additions and 33 deletions
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64
tools/cmake/component_utils.cmake
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@ -28,49 +28,47 @@ endfunction()
# earlier in the component_dirs list take precedence.
function(components_find_all component_dirs component_paths component_names test_component_names)
# component_dirs entries can be files or lists of files
set(paths "")
set(names "")
set(test_names "")
set(_paths "")
set(_names "")
set(_test_names "")
# start by expanding the component_dirs list with all subdirectories
foreach(dir ${component_dirs})
# Iterate any subdirectories for values
file(GLOB subdirs LIST_DIRECTORIES true "${dir}/*")
foreach(subdir ${subdirs})
set(component_dirs "${component_dirs};${subdir}")
endforeach()
endforeach()
# Look for a component in each component_dirs entry
foreach(dir ${component_dirs})
debug("Looking for CMakeLists.txt in ${dir}")
file(GLOB component "${dir}/CMakeLists.txt")
if(component)
debug("CMakeLists.txt file ${component}")
get_filename_component(component "${component}" DIRECTORY)
get_filename_component(name "${component}" NAME)
if(EXISTS ${dir}/CMakeLists.txt)
get_filename_component(_path "${dir}" ABSOLUTE)
get_filename_component(_name "${_path}" NAME)
if(NOT name IN_LIST names)
list(APPEND names "${name}")
list(APPEND paths "${component}")
# Look for test component directory
file(GLOB test "${component}/test/CMakeLists.txt")
if(test)
list(APPEND test_names "${name}")
endif()
list(APPEND _names "${_name}")
list(APPEND _paths "${_path}")
endif()
else() # no CMakeLists.txt file
# test for legacy component.mk and warn
file(GLOB legacy_component "${dir}/component.mk")
if(legacy_component)
if(EXISTS "${_path}/test/CMakeLists.txt")
list(APPEND _test_names "${_name}")
endif()
else()
if(EXISTS ${dir}/component.mk)
get_filename_component(legacy_component "${legacy_component}" DIRECTORY)
message(WARNING "Component ${legacy_component} contains old-style component.mk but no CMakeLists.txt. "
"Component will be skipped.")
else()
if(NOT __recursing) # recurse only once
file(GLOB subdirs LIST_DIRECTORIES true "${dir}/*")
set(__recursing 1)
components_find_all("${subdirs}" __paths __names __test_names)
set(__recursing 0)
if(__paths)
list(APPEND _paths "${__paths}")
list(APPEND _names "${__names}")
list(APPEND _test_names "${__test_names}")
endif()
endif()
endif()
endif()
endforeach()
set(${component_paths} ${paths} PARENT_SCOPE)
set(${component_names} ${names} PARENT_SCOPE)
set(${test_component_names} ${test_names} PARENT_SCOPE)
set(${test_component_names} "${_test_names}" PARENT_SCOPE)
set(${component_paths} "${_paths}" PARENT_SCOPE)
set(${component_names} "${_names}" PARENT_SCOPE)
endfunction()