mirror of
https://github.com/c64scene-ar/llvm-6502.git
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bc8f84c030
This reverts commit r230062. Debian stable (wheezy) ships still with cmake 2.8.9. The commit broke my LLVM/Polly buildbot, to my knowledge our only Linux+cmake buildbot. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230343 91177308-0d34-0410-b5e6-96231b3b80d8
202 lines
7.3 KiB
CMake
202 lines
7.3 KiB
CMake
function(get_system_libs return_var)
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message(AUTHOR_WARNING "get_system_libs no longer needed")
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set(${return_var} "" PARENT_SCOPE)
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endfunction()
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function(link_system_libs target)
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message(AUTHOR_WARNING "link_system_libs no longer needed")
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endfunction()
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function(is_llvm_target_library library return_var)
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# Sets variable `return_var' to ON if `library' corresponds to a
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# LLVM supported target. To OFF if it doesn't.
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set(${return_var} OFF PARENT_SCOPE)
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string(TOUPPER "${library}" capitalized_lib)
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string(TOUPPER "${LLVM_ALL_TARGETS}" targets)
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foreach(t ${targets})
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if( capitalized_lib STREQUAL t OR
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capitalized_lib STREQUAL "LLVM${t}" OR
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capitalized_lib STREQUAL "LLVM${t}CODEGEN" OR
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capitalized_lib STREQUAL "LLVM${t}ASMPARSER" OR
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capitalized_lib STREQUAL "LLVM${t}ASMPRINTER" OR
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capitalized_lib STREQUAL "LLVM${t}DISASSEMBLER" OR
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capitalized_lib STREQUAL "LLVM${t}INFO" )
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set(${return_var} ON PARENT_SCOPE)
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break()
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endif()
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endforeach()
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endfunction(is_llvm_target_library)
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macro(llvm_config executable)
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explicit_llvm_config(${executable} ${ARGN})
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endmacro(llvm_config)
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function(explicit_llvm_config executable)
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set( link_components ${ARGN} )
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llvm_map_components_to_libnames(LIBRARIES ${link_components})
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get_target_property(t ${executable} TYPE)
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if("x${t}" STREQUAL "xSTATIC_LIBRARY")
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target_link_libraries(${executable} ${cmake_2_8_12_INTERFACE} ${LIBRARIES})
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elseif("x${t}" STREQUAL "xSHARED_LIBRARY" OR "x${t}" STREQUAL "xMODULE_LIBRARY")
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target_link_libraries(${executable} ${cmake_2_8_12_PRIVATE} ${LIBRARIES})
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else()
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# Use plain form for legacy user.
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target_link_libraries(${executable} ${LIBRARIES})
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endif()
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endfunction(explicit_llvm_config)
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# This is Deprecated
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function(llvm_map_components_to_libraries OUT_VAR)
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message(AUTHOR_WARNING "Using llvm_map_components_to_libraries() is deprecated. Use llvm_map_components_to_libnames() instead")
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explicit_map_components_to_libraries(result ${ARGN})
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set( ${OUT_VAR} ${result} ${sys_result} PARENT_SCOPE )
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endfunction(llvm_map_components_to_libraries)
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# This is a variant intended for the final user:
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# Map LINK_COMPONENTS to actual libnames.
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function(llvm_map_components_to_libnames out_libs)
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set( link_components ${ARGN} )
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if(NOT LLVM_AVAILABLE_LIBS)
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# Inside LLVM itself available libs are in a global property.
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get_property(LLVM_AVAILABLE_LIBS GLOBAL PROPERTY LLVM_LIBS)
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endif()
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string(TOUPPER "${LLVM_AVAILABLE_LIBS}" capitalized_libs)
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# Expand some keywords:
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list(FIND LLVM_TARGETS_TO_BUILD "${LLVM_NATIVE_ARCH}" have_native_backend)
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list(FIND link_components "engine" engine_required)
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if( NOT engine_required EQUAL -1 )
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list(FIND LLVM_TARGETS_WITH_JIT "${LLVM_NATIVE_ARCH}" have_jit)
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if( NOT have_native_backend EQUAL -1 AND NOT have_jit EQUAL -1 )
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list(APPEND link_components "jit")
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list(APPEND link_components "native")
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else()
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list(APPEND link_components "interpreter")
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endif()
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endif()
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list(FIND link_components "native" native_required)
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if( NOT native_required EQUAL -1 )
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if( NOT have_native_backend EQUAL -1 )
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list(APPEND link_components ${LLVM_NATIVE_ARCH})
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endif()
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endif()
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# Translate symbolic component names to real libraries:
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foreach(c ${link_components})
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# add codegen, asmprinter, asmparser, disassembler
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list(FIND LLVM_TARGETS_TO_BUILD ${c} idx)
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if( NOT idx LESS 0 )
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if( TARGET LLVM${c}CodeGen )
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list(APPEND expanded_components "LLVM${c}CodeGen")
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else()
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if( TARGET LLVM${c} )
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list(APPEND expanded_components "LLVM${c}")
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else()
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message(FATAL_ERROR "Target ${c} is not in the set of libraries.")
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endif()
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endif()
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if( TARGET LLVM${c}AsmPrinter )
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list(APPEND expanded_components "LLVM${c}AsmPrinter")
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endif()
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if( TARGET LLVM${c}AsmParser )
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list(APPEND expanded_components "LLVM${c}AsmParser")
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endif()
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if( TARGET LLVM${c}Desc )
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list(APPEND expanded_components "LLVM${c}Desc")
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endif()
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if( TARGET LLVM${c}Info )
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list(APPEND expanded_components "LLVM${c}Info")
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endif()
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if( TARGET LLVM${c}Disassembler )
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list(APPEND expanded_components "LLVM${c}Disassembler")
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endif()
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elseif( c STREQUAL "native" )
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# already processed
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elseif( c STREQUAL "nativecodegen" )
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list(APPEND expanded_components "LLVM${LLVM_NATIVE_ARCH}CodeGen")
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if( TARGET LLVM${LLVM_NATIVE_ARCH}Desc )
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list(APPEND expanded_components "LLVM${LLVM_NATIVE_ARCH}Desc")
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endif()
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if( TARGET LLVM${LLVM_NATIVE_ARCH}Info )
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list(APPEND expanded_components "LLVM${LLVM_NATIVE_ARCH}Info")
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endif()
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elseif( c STREQUAL "backend" )
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# same case as in `native'.
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elseif( c STREQUAL "engine" )
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# already processed
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elseif( c STREQUAL "all" )
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list(APPEND expanded_components ${LLVM_AVAILABLE_LIBS})
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else( NOT idx LESS 0 )
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# Canonize the component name:
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string(TOUPPER "${c}" capitalized)
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list(FIND capitalized_libs LLVM${capitalized} lib_idx)
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if( lib_idx LESS 0 )
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# The component is unknown. Maybe is an omitted target?
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is_llvm_target_library(${c} iltl_result)
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if( NOT iltl_result )
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message(FATAL_ERROR "Library `${c}' not found in list of llvm libraries.")
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endif()
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else( lib_idx LESS 0 )
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list(GET LLVM_AVAILABLE_LIBS ${lib_idx} canonical_lib)
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list(APPEND expanded_components ${canonical_lib})
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endif( lib_idx LESS 0 )
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endif( NOT idx LESS 0 )
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endforeach(c)
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set(${out_libs} ${expanded_components} PARENT_SCOPE)
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endfunction()
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# Perform a post-order traversal of the dependency graph.
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# This duplicates the algorithm used by llvm-config, originally
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# in tools/llvm-config/llvm-config.cpp, function ComputeLibsForComponents.
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function(expand_topologically name required_libs visited_libs)
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list(FIND visited_libs ${name} found)
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if( found LESS 0 )
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list(APPEND visited_libs ${name})
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set(visited_libs ${visited_libs} PARENT_SCOPE)
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get_property(lib_deps GLOBAL PROPERTY LLVMBUILD_LIB_DEPS_${name})
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foreach( lib_dep ${lib_deps} )
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expand_topologically(${lib_dep} "${required_libs}" "${visited_libs}")
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set(required_libs ${required_libs} PARENT_SCOPE)
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set(visited_libs ${visited_libs} PARENT_SCOPE)
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endforeach()
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list(APPEND required_libs ${name})
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set(required_libs ${required_libs} PARENT_SCOPE)
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endif()
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endfunction()
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# Expand dependencies while topologically sorting the list of libraries:
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function(llvm_expand_dependencies out_libs)
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set(expanded_components ${ARGN})
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set(required_libs)
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set(visited_libs)
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foreach( lib ${expanded_components} )
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expand_topologically(${lib} "${required_libs}" "${visited_libs}")
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endforeach()
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list(REVERSE required_libs)
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set(${out_libs} ${required_libs} PARENT_SCOPE)
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endfunction()
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function(explicit_map_components_to_libraries out_libs)
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llvm_map_components_to_libnames(link_libs ${ARGN})
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llvm_expand_dependencies(expanded_components ${link_libs})
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# Return just the libraries included in this build:
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set(result)
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foreach(c ${expanded_components})
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if( TARGET ${c} )
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set(result ${result} ${c})
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endif()
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endforeach(c)
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set(${out_libs} ${result} PARENT_SCOPE)
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endfunction(explicit_map_components_to_libraries)
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