81 lines
3.2 KiB
CMake
81 lines
3.2 KiB
CMake
include(CMakeParseArguments)
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include(CompilerRTUtils)
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function(get_aix_libatomic_default_link_flags link_flags export_list)
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set(linkopts
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"-Wl,-H512 -Wl,-D0 \
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-Wl,-T512 -Wl,-bhalt:4 -Wl,-bernotok \
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-Wl,-bnoentry -Wl,-bexport:${export_list} \
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-Wl,-bmodtype:SRE -Wl,-lc")
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# Add `-Wl,-G`. Quoted from release notes of cmake-3.16.0
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# > On AIX, runtime linking is no longer enabled by default.
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# See https://cmake.org/cmake/help/latest/release/3.16.html
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if(${CMAKE_VERSION} VERSION_GREATER_EQUAL "3.16.0")
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set(linkopts "-Wl,-G" "${linkopts}")
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endif()
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set(${link_flags} ${linkopts} PARENT_SCOPE)
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endfunction()
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function(get_aix_libatomic_type type)
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if(${CMAKE_VERSION} VERSION_LESS "3.16.0")
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set(${type} SHARED PARENT_SCOPE)
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else()
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set(${type} MODULE PARENT_SCOPE)
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endif()
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endfunction()
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macro(archive_aix_libatomic name libname)
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cmake_parse_arguments(LIB
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""
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""
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"ARCHS;PARENT_TARGET"
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${ARGN})
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set(objects_to_archive "")
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foreach (arch ${LIB_ARCHS})
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if(CAN_TARGET_${arch})
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set(output_dir "${CMAKE_CURRENT_BINARY_DIR}/${libname}-${arch}.dir")
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# FIXME: Target name should be kept consistent with definition
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# in AddCompilerRT.cmake added by
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# add_compiler_rt_runtime(<name> SHARED ...)
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set(target ${name}-dynamic-${arch})
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if(TARGET ${target})
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file(MAKE_DIRECTORY ${output_dir})
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add_custom_command(OUTPUT "${output_dir}/libatomic.so.1"
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POST_BUILD
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COMMAND ${CMAKE_COMMAND} -E
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copy "$<TARGET_FILE:${target}>"
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"${output_dir}/libatomic.so.1"
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# If built with MODULE, F_LOADONLY is set.
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# We have to remove this flag at POST_BUILD.
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COMMAND ${CMAKE_STRIP} -X32_64 -E
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"${output_dir}/libatomic.so.1"
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DEPENDS ${target})
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list(APPEND objects_to_archive "${output_dir}/libatomic.so.1")
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endif()
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endif()
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endforeach()
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if(objects_to_archive)
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set(output_dir "")
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set(install_dir "")
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# If LLVM defines top level library directory, we want to deliver
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# libatomic.a at top level. See `llvm/cmake/modules/AddLLVM.cmake'
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# setting _install_rpath on AIX for reference.
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if(LLVM_LIBRARY_OUTPUT_INTDIR AND CMAKE_INSTALL_PREFIX)
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set(output_dir "${LLVM_LIBRARY_OUTPUT_INTDIR}")
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set(install_dir "${CMAKE_INSTALL_PREFIX}/lib${LLVM_LIBDIR_SUFFIX}")
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else()
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get_compiler_rt_output_dir(${COMPILER_RT_DEFAULT_TARGET_ARCH} output_dir)
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get_compiler_rt_install_dir(${COMPILER_RT_DEFAULT_TARGET_ARCH} install_dir)
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endif()
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add_custom_command(OUTPUT "${output_dir}/${libname}.a"
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COMMAND ${CMAKE_AR} -X32_64 r "${output_dir}/${libname}.a"
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${objects_to_archive}
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DEPENDS ${objects_to_archive})
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install(FILES "${output_dir}/${libname}.a"
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DESTINATION ${install_dir})
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add_custom_target(aix-${libname}
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DEPENDS "${output_dir}/${libname}.a")
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endif()
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add_dependencies(${LIB_PARENT_TARGET} aix-${libname})
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endmacro()
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