77363f7518
Summary: If there's no subdirectory we can't make an alias. This allows it to at least continue.
65 lines
1.9 KiB
CMake
65 lines
1.9 KiB
CMake
function(add_startup_object name)
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cmake_parse_arguments(
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"ADD_STARTUP_OBJECT"
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"ALIAS" # Option argument
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"SRC" # Single value arguments
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"DEPENDS;COMPILE_OPTIONS" # Multi value arguments
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${ARGN}
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)
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get_fq_target_name(${name} fq_target_name)
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if(ADD_STARTUP_OBJECT_ALIAS)
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get_fq_deps_list(fq_dep_list ${ADD_STARTUP_OBJECT_DEPENDS})
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add_library(${fq_target_name} ALIAS ${fq_dep_list})
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return()
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endif()
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add_object_library(
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${name}
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SRCS ${ADD_STARTUP_OBJECT_SRC}
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COMPILE_OPTIONS ${ADD_STARTUP_OBJECT_COMPILE_OPTIONS}
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${ADD_STARTUP_OBJECT_UNPARSED_ARGUMENTS}
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DEPENDS ${ADD_STARTUP_OBJECT_DEPENDS}
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)
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set_target_properties(
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${fq_target_name}
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PROPERTIES
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OUTPUT_NAME ${name}.o
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)
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# Make an executable target of relocatable bitcode for clang if needed.
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if(LLVM_ENABLE_PER_TARGET_RUNTIME_DIR)
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add_executable(${fq_target_name}.exe $<TARGET_OBJECTS:${fq_target_name}>)
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set_target_properties(${fq_target_name}.exe PROPERTIES
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RUNTIME_OUTPUT_DIRECTORY ${LIBC_LIBRARY_DIR}
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RUNTIME_OUTPUT_NAME ${name}.o)
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target_link_options(${fq_target_name}.exe PRIVATE
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"-r" "-nostdlib" "-flto" "-Wl,--lto-emit-llvm")
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endif()
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endfunction()
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if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/${LIBC_TARGET_ARCHITECTURE})
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add_subdirectory(${LIBC_TARGET_ARCHITECTURE})
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else()
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message(WARNING "Cannot build 'crt1.o' for ${LIBC_TARGET_ARCHITECTURE} yet.")
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return()
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endif()
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add_startup_object(
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crt1
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ALIAS
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DEPENDS
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.${LIBC_TARGET_ARCHITECTURE}.crt1
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)
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add_custom_target(libc-startup)
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set(startup_components crt1)
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foreach(target IN LISTS startup_components)
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set(fq_target_name libc.startup.gpu.${target})
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add_dependencies(libc-startup ${fq_target_name})
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install(FILES $<TARGET_OBJECTS:${fq_target_name}>
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DESTINATION ${LIBC_INSTALL_LIBRARY_DIR}
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RENAME $<TARGET_PROPERTY:${fq_target_name},OUTPUT_NAME>
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COMPONENT libc)
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endforeach()
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