112 lines
4.0 KiB
CMake
112 lines
4.0 KiB
CMake
# https://cristianadam.eu/20190501/bundling-together-static-libraries-with-cmake/
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function(bundle_static_library tgt_name bundled_tgt_name)
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list(APPEND static_libs ${tgt_name})
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set(dep_libs "")
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function(_recursively_collect_dependencies input_target)
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set(_input_link_libraries LINK_LIBRARIES)
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get_target_property(_input_type ${input_target} TYPE)
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if (${_input_type} STREQUAL "INTERFACE_LIBRARY")
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set(_input_link_libraries INTERFACE_LINK_LIBRARIES)
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endif()
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get_target_property(public_dependencies ${input_target} ${_input_link_libraries})
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foreach(dependency IN LISTS public_dependencies)
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if(TARGET ${dependency})
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get_target_property(alias ${dependency} ALIASED_TARGET)
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if (TARGET ${alias})
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set(dependency ${alias})
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endif()
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get_target_property(_type ${dependency} TYPE)
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if (${_type} STREQUAL "STATIC_LIBRARY")
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list(APPEND static_libs ${dependency})
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endif()
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get_property(library_already_added
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GLOBAL PROPERTY _${tgt_name}_static_bundle_${dependency})
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if (NOT library_already_added)
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set_property(GLOBAL PROPERTY _${tgt_name}_static_bundle_${dependency} ON)
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_recursively_collect_dependencies(${dependency})
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endif()
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elseif(dependency)
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list(APPEND dep_libs ${dependency})
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endif()
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endforeach()
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set(static_libs ${static_libs} PARENT_SCOPE)
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set(dep_libs ${dep_libs} PARENT_SCOPE)
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endfunction()
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_recursively_collect_dependencies(${tgt_name})
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list(REMOVE_DUPLICATES static_libs)
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list(REMOVE_DUPLICATES dep_libs)
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set(bundled_tgt_full_name
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${CMAKE_BINARY_DIR}/${CMAKE_STATIC_LIBRARY_PREFIX}${bundled_tgt_name}${CMAKE_STATIC_LIBRARY_SUFFIX})
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if (APPLE)
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find_program(lib_tool libtool)
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foreach(tgt IN LISTS static_libs)
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list(APPEND static_libs_full_names $<TARGET_FILE:${tgt}>)
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endforeach()
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add_custom_command(
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COMMAND ${lib_tool} -static -o ${bundled_tgt_full_name} ${static_libs_full_names}
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OUTPUT ${bundled_tgt_full_name}
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COMMENT "Bundling ${bundled_tgt_name}"
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VERBATIM)
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elseif(UNIX)
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file(WRITE ${CMAKE_BINARY_DIR}/${bundled_tgt_name}.ar.in
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"CREATE ${bundled_tgt_full_name}\n" )
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foreach(tgt IN LISTS static_libs)
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file(APPEND ${CMAKE_BINARY_DIR}/${bundled_tgt_name}.ar.in
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"ADDLIB $<TARGET_FILE:${tgt}>\n")
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endforeach()
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file(APPEND ${CMAKE_BINARY_DIR}/${bundled_tgt_name}.ar.in "SAVE\n")
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file(APPEND ${CMAKE_BINARY_DIR}/${bundled_tgt_name}.ar.in "END\n")
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file(GENERATE
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OUTPUT ${CMAKE_BINARY_DIR}/${bundled_tgt_name}.ar
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INPUT ${CMAKE_BINARY_DIR}/${bundled_tgt_name}.ar.in)
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set(ar_tool ${CMAKE_AR})
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if (CMAKE_INTERPROCEDURAL_OPTIMIZATION)
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set(ar_tool ${CMAKE_CXX_COMPILER_AR})
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endif()
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add_custom_command(
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COMMAND ${ar_tool} -M < ${CMAKE_BINARY_DIR}/${bundled_tgt_name}.ar
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OUTPUT ${bundled_tgt_full_name}
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COMMENT "Bundling ${bundled_tgt_name}"
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VERBATIM)
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elseif(WIN32)
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find_program(lib_tool lib)
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foreach(tgt IN LISTS static_libs)
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list(APPEND static_libs_full_names $<TARGET_FILE:${tgt}>)
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endforeach()
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add_custom_command(
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COMMAND ${lib_tool} /NOLOGO /OUT:${bundled_tgt_full_name} ${static_libs_full_names}
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OUTPUT ${bundled_tgt_full_name}
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COMMENT "Bundling ${bundled_tgt_name}"
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VERBATIM)
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else()
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message(FATAL_ERROR "Unknown bundle scenario!")
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endif()
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add_custom_target(bundling_target ALL DEPENDS ${bundled_tgt_full_name})
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add_dependencies(bundling_target ${tgt_name})
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add_library(${bundled_tgt_name} STATIC IMPORTED)
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set_target_properties(${bundled_tgt_name}
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PROPERTIES
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IMPORTED_LOCATION ${bundled_tgt_full_name}
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INTERFACE_INCLUDE_DIRECTORIES $<TARGET_PROPERTY:${tgt_name},INTERFACE_INCLUDE_DIRECTORIES>
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INTERFACE_LINK_LIBRARIES "${dep_libs}")
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#IMPORTED_LINK_INTERFACE_LIBRARIES "${dep_libs}") # Deprecated
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add_dependencies(${bundled_tgt_name} bundling_target)
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endfunction() |