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