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1include(CompilerRTUtils)2 3function(get_aix_libatomic_default_link_flags link_flags export_list)4set(linkopts5 -Wl,-H512 -Wl,-D06 -Wl,-T512 -Wl,-bhalt:4 -Wl,-bernotok7 -Wl,-bnoentry -Wl,-bexport:${export_list}8 -Wl,-bmodtype:SRE -Wl,-lc)9 # Add `-Wl,-G`. Quoted from release notes of cmake-3.16.010 # > On AIX, runtime linking is no longer enabled by default.11 # See https://cmake.org/cmake/help/latest/release/3.16.html12 set(linkopts -Wl,-G ${linkopts})13 set(${link_flags} ${linkopts} PARENT_SCOPE)14endfunction()15 16function(get_aix_libatomic_type type)17 set(${type} MODULE PARENT_SCOPE)18endfunction()19 20macro(archive_aix_libatomic name libname)21 cmake_parse_arguments(LIB22 ""23 ""24 "ARCHS;PARENT_TARGET"25 ${ARGN})26 set(objects_to_archive "")27 foreach (arch ${LIB_ARCHS})28 if(CAN_TARGET_${arch})29 set(output_dir "${CMAKE_CURRENT_BINARY_DIR}/${libname}-${arch}.dir")30 # FIXME: Target name should be kept consistent with definition31 # in AddCompilerRT.cmake added by32 # add_compiler_rt_runtime(<name> SHARED ...)33 set(target ${name}-dynamic-${arch})34 if(TARGET ${target})35 file(MAKE_DIRECTORY ${output_dir})36 add_custom_command(OUTPUT "${output_dir}/libatomic.so.1"37 COMMAND ${CMAKE_COMMAND} -E38 copy "$<TARGET_FILE:${target}>"39 "${output_dir}/libatomic.so.1"40 # If built with MODULE, F_LOADONLY is set.41 COMMAND ${CMAKE_STRIP} -X32_64 -E42 "${output_dir}/libatomic.so.1"43 DEPENDS ${target})44 list(APPEND objects_to_archive "${output_dir}/libatomic.so.1")45 endif()46 endif()47 endforeach()48 if(objects_to_archive)49 set(output_dir "")50 set(install_dir "")51 # If LLVM defines top level library directory, we want to deliver52 # libatomic.a at top level. See `llvm/cmake/modules/AddLLVM.cmake'53 # setting _install_rpath on AIX for reference.54 if(LLVM_LIBRARY_OUTPUT_INTDIR AND CMAKE_INSTALL_PREFIX)55 set(output_dir "${LLVM_LIBRARY_OUTPUT_INTDIR}")56 set(install_dir "${CMAKE_INSTALL_PREFIX}/lib${LLVM_LIBDIR_SUFFIX}")57 else()58 get_compiler_rt_output_dir(${COMPILER_RT_DEFAULT_TARGET_ARCH} output_dir)59 get_compiler_rt_install_dir(${COMPILER_RT_DEFAULT_TARGET_ARCH} install_dir)60 endif()61 add_custom_command(OUTPUT "${output_dir}/${libname}.a"62 COMMAND ${CMAKE_AR} -X32_64 r "${output_dir}/${libname}.a"63 ${objects_to_archive}64 DEPENDS ${objects_to_archive})65 install(FILES "${output_dir}/${libname}.a"66 DESTINATION ${install_dir})67 add_custom_target(aix-${libname}68 DEPENDS "${output_dir}/${libname}.a")69 add_dependencies(${LIB_PARENT_TARGET} aix-${libname})70 endif()71endmacro()72