Subversion Repositories QNX 8.QNX8 LLVM/Clang compiler suite

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14 pmbaty 1 
# Generate C code in the file provided as OUTPUT that describes the properties
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# of all components. This C code is suitable for inclusion in `llvm-config`
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function(LLVMBuildGenerateCFragment)
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  cmake_parse_arguments(ARG "" "OUTPUT" "" ${ARGN})
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  # Write C header
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  #################
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  get_property(llvmbuild_components GLOBAL PROPERTY LLVM_COMPONENT_LIBS)
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  foreach(llvmbuild_component ${llvmbuild_components})
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    string(REGEX REPLACE "^LLVM" "" component_name ${llvmbuild_component})
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    list(APPEND all_component_libdeps ${component_name})
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  endforeach()
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  list(APPEND llvmbuild_components all)
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  foreach(llvm_component all-targets Engine Native NativeCodeGen ${LLVM_TARGETS_TO_BUILD})
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    list(APPEND llvmbuild_components ${llvm_component})
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    list(APPEND all_component_libdeps ${llvm_component})
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  endforeach()
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  list(LENGTH llvmbuild_components llvmbuild_components_size)
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  file(WRITE ${ARG_OUTPUT}
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  "
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  struct AvailableComponent {
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    /// The name of the component.
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    const char *Name;
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    /// The name of the library for this component (or NULL).
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    const char *Library;
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    /// Whether the component is installed.
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    bool IsInstalled;
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    /// The list of libraries required when linking this component.
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    const char *RequiredLibraries[${llvmbuild_components_size}];
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  } AvailableComponents[${llvmbuild_components_size}] = {
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  ")
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  foreach(llvmbuild_component ${llvmbuild_components})
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    if(llvmbuild_component STREQUAL "all")
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      unset(llvmbuild_libname)
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      set(llvmbuild_libdeps ${all_component_libdeps})
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    else()
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      get_property(llvmbuild_libname TARGET ${llvmbuild_component} PROPERTY LLVM_COMPONENT_NAME)
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      get_property(llvmbuild_libdeps TARGET ${llvmbuild_component} PROPERTY LLVM_LINK_COMPONENTS)
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    endif()
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    string(TOLOWER ${llvmbuild_component} llvmbuild_componentname)
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    if(NOT llvmbuild_libname)
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      set(llvmbuild_llvmlibname nullptr)
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      string(TOLOWER ${llvmbuild_component} llvmbuild_libname)
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    else()
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      set(llvmbuild_llvmlibname "\"LLVM${llvmbuild_libname}\"")
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      string(TOLOWER ${llvmbuild_libname} llvmbuild_libname)
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    endif()
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    set(llvmbuild_clibdeps "")
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    foreach(llvmbuild_libdep ${llvmbuild_libdeps})
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      get_property(llvmbuild_libdepname GLOBAL PROPERTY LLVM_COMPONENT_NAME_${llvmbuild_libdep})
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      if(NOT llvmbuild_libdepname)
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        string(TOLOWER ${llvmbuild_libdep} llvmbuild_clibdep)
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      else()
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        string(TOLOWER ${llvmbuild_libdepname} llvmbuild_clibdep)
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      endif()
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      list(APPEND llvmbuild_clibdeps ${llvmbuild_clibdep})
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    endforeach()
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    list(TRANSFORM llvmbuild_clibdeps PREPEND "\"")
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    list(TRANSFORM llvmbuild_clibdeps APPEND "\"")
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    list(JOIN llvmbuild_clibdeps ", " llvmbuild_clibdeps_joint)
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    list(APPEND llvmbuild_centries "{ \"${llvmbuild_libname}\", ${llvmbuild_llvmlibname}, true, {${llvmbuild_clibdeps_joint}} },\n")
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  endforeach()
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  list(SORT llvmbuild_centries)
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  foreach(llvmbuild_centry ${llvmbuild_centries})
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    file(APPEND ${ARG_OUTPUT} "${llvmbuild_centry}")
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  endforeach()
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  file(APPEND ${ARG_OUTPUT} "};")
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endfunction()
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# Resolve cross-component dependencies, for each available component.
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function(LLVMBuildResolveComponentsLink)
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  # the native target may not be enabled when cross compiling
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  if(TARGET ${LLVM_NATIVE_ARCH})
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    get_property(llvm_has_jit_native TARGET ${LLVM_NATIVE_ARCH} PROPERTY LLVM_HAS_JIT)
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  else()
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    set(llvm_has_jit_native OFF)
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  endif()
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  if(llvm_has_jit_native)
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    set_property(TARGET Engine APPEND PROPERTY LLVM_LINK_COMPONENTS "MCJIT" "Native")
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  else()
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    set_property(TARGET Engine APPEND PROPERTY LLVM_LINK_COMPONENTS "Interpreter")
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  endif()
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  get_property(llvm_components GLOBAL PROPERTY LLVM_COMPONENT_LIBS)
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  foreach(llvm_component ${llvm_components})
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    get_property(link_components TARGET ${llvm_component} PROPERTY LLVM_LINK_COMPONENTS)
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    llvm_map_components_to_libnames(llvm_libs ${link_components})
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    if(llvm_libs)
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      get_property(libtype TARGET ${llvm_component} PROPERTY LLVM_LIBTYPE)
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      target_link_libraries(${llvm_component} ${libtype} ${llvm_libs})
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    endif()
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  endforeach()
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endfunction()