| 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() |
| |
| # is_llvm_target_library( |
| # library |
| # Name of the LLVM library to check |
| # return_var |
| # Output variable name |
| # ALL_TARGETS;INCLUDED_TARGETS;OMITTED_TARGETS |
| # ALL_TARGETS - default looks at the full list of known targets |
| # INCLUDED_TARGETS - looks only at targets being configured |
| # OMITTED_TARGETS - looks only at targets that are not being configured |
| # ) |
| function(is_llvm_target_library library return_var) |
| cmake_parse_arguments(ARG "ALL_TARGETS;INCLUDED_TARGETS;OMITTED_TARGETS" "" "" ${ARGN}) |
| # Sets variable `return_var' to ON if `library' corresponds to a |
| # LLVM supported target. To OFF if it doesn't. |
| set(${return_var} OFF PARENT_SCOPE) |
| string(TOUPPER "${library}" capitalized_lib) |
| if(ARG_INCLUDED_TARGETS) |
| string(TOUPPER "${LLVM_TARGETS_TO_BUILD}" targets) |
| elseif(ARG_OMITTED_TARGETS) |
| set(omitted_targets ${LLVM_ALL_TARGETS}) |
| list(REMOVE_ITEM omitted_targets ${LLVM_TARGETS_TO_BUILD}) |
| string(TOUPPER "${omitted_targets}" targets) |
| else() |
| string(TOUPPER "${LLVM_ALL_TARGETS}" targets) |
| endif() |
| foreach(t ${targets}) |
| if( capitalized_lib STREQUAL t OR |
| capitalized_lib STREQUAL "${t}" OR |
| capitalized_lib STREQUAL "${t}DESC" OR |
| capitalized_lib STREQUAL "${t}CODEGEN" OR |
| capitalized_lib STREQUAL "${t}ASMPARSER" OR |
| capitalized_lib STREQUAL "${t}ASMPRINTER" OR |
| capitalized_lib STREQUAL "${t}DISASSEMBLER" OR |
| capitalized_lib STREQUAL "${t}INFO" OR |
| capitalized_lib STREQUAL "${t}UTILS" ) |
| set(${return_var} ON PARENT_SCOPE) |
| break() |
| endif() |
| endforeach() |
| endfunction(is_llvm_target_library) |
| |
| function(is_llvm_target_specifier library return_var) |
| is_llvm_target_library(${library} ${return_var} ${ARGN}) |
| string(TOUPPER "${library}" capitalized_lib) |
| if(NOT ${return_var}) |
| if( capitalized_lib STREQUAL "ALLTARGETSASMPARSERS" OR |
| capitalized_lib STREQUAL "ALLTARGETSDESCS" OR |
| capitalized_lib STREQUAL "ALLTARGETSDISASSEMBLERS" OR |
| capitalized_lib STREQUAL "ALLTARGETSINFOS" OR |
| capitalized_lib STREQUAL "NATIVE" OR |
| capitalized_lib STREQUAL "NATIVECODEGEN" ) |
| set(${return_var} ON PARENT_SCOPE) |
| endif() |
| endif() |
| endfunction() |
| |
| macro(llvm_config executable) |
| cmake_parse_arguments(ARG "USE_SHARED" "" "" ${ARGN}) |
| set(link_components ${ARG_UNPARSED_ARGUMENTS}) |
| |
| if(ARG_USE_SHARED) |
| # If USE_SHARED is specified, then we link against libLLVM, |
| # but also against the component libraries below. This is |
| # done in case libLLVM does not contain all of the components |
| # the target requires. |
| # |
| # Strip LLVM_DYLIB_COMPONENTS out of link_components. |
| # To do this, we need special handling for "all", since that |
| # may imply linking to libraries that are not included in |
| # libLLVM. |
| |
| if (DEFINED link_components AND DEFINED LLVM_DYLIB_COMPONENTS) |
| if("${LLVM_DYLIB_COMPONENTS}" STREQUAL "all") |
| set(link_components "") |
| else() |
| list(REMOVE_ITEM link_components ${LLVM_DYLIB_COMPONENTS}) |
| endif() |
| endif() |
| |
| target_link_libraries(${executable} PRIVATE LLVM) |
| endif() |
| |
| explicit_llvm_config(${executable} ${link_components}) |
| endmacro(llvm_config) |
| |
| |
| function(explicit_llvm_config executable) |
| set( link_components ${ARGN} ) |
| |
| llvm_map_components_to_libnames(LIBRARIES ${link_components}) |
| get_target_property(t ${executable} TYPE) |
| if(t STREQUAL "STATIC_LIBRARY") |
| target_link_libraries(${executable} INTERFACE ${LIBRARIES}) |
| elseif(t STREQUAL "EXECUTABLE" OR t STREQUAL "SHARED_LIBRARY" OR t STREQUAL "MODULE_LIBRARY") |
| target_link_libraries(${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) |
| |
| get_property(LLVM_TARGETS_CONFIGURED GLOBAL PROPERTY LLVM_TARGETS_CONFIGURED) |
| |
| # Generally in our build system we avoid order-dependence. Unfortunately since |
| # not all targets create the same set of libraries we actually need to ensure |
| # that all build targets associated with a target are added before we can |
| # process target dependencies. |
| if(NOT LLVM_TARGETS_CONFIGURED) |
| foreach(c ${link_components}) |
| is_llvm_target_specifier(${c} iltl_result ALL_TARGETS) |
| if(iltl_result) |
| message(FATAL_ERROR "Specified target library before target registration is complete.") |
| endif() |
| endforeach() |
| endif() |
| |
| # 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}AsmParser ) |
| list(APPEND expanded_components "LLVM${c}AsmParser") |
| endif() |
| if( TARGET LLVM${c}AsmPrinter ) |
| list(APPEND expanded_components "LLVM${c}AsmPrinter") |
| endif() |
| if( TARGET LLVM${c}Desc ) |
| list(APPEND expanded_components "LLVM${c}Desc") |
| endif() |
| if( TARGET LLVM${c}Disassembler ) |
| list(APPEND expanded_components "LLVM${c}Disassembler") |
| endif() |
| if( TARGET LLVM${c}Info ) |
| list(APPEND expanded_components "LLVM${c}Info") |
| endif() |
| if( TARGET LLVM${c}Utils ) |
| list(APPEND expanded_components "LLVM${c}Utils") |
| endif() |
| elseif( c STREQUAL "native" ) |
| # already processed |
| elseif( c STREQUAL "nativecodegen" ) |
| list(APPEND expanded_components "LLVM${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}) |
| elseif( c STREQUAL "AllTargetsAsmPrinters" ) |
| # Link all the asm printers from all the targets |
| foreach(t ${LLVM_TARGETS_TO_BUILD}) |
| if( TARGET LLVM${t}AsmPrinter ) |
| list(APPEND expanded_components "LLVM${t}AsmPrinter") |
| endif() |
| endforeach(t) |
| elseif( c STREQUAL "AllTargetsAsmParsers" ) |
| # Link all the asm parsers from all the targets |
| foreach(t ${LLVM_TARGETS_TO_BUILD}) |
| if( TARGET LLVM${t}AsmParser ) |
| list(APPEND expanded_components "LLVM${t}AsmParser") |
| endif() |
| endforeach(t) |
| elseif( c STREQUAL "AllTargetsDescs" ) |
| # Link all the descs from all the targets |
| foreach(t ${LLVM_TARGETS_TO_BUILD}) |
| if( TARGET LLVM${t}Desc ) |
| list(APPEND expanded_components "LLVM${t}Desc") |
| endif() |
| endforeach(t) |
| elseif( c STREQUAL "AllTargetsDisassemblers" ) |
| # Link all the disassemblers from all the targets |
| foreach(t ${LLVM_TARGETS_TO_BUILD}) |
| if( TARGET LLVM${t}Disassembler ) |
| list(APPEND expanded_components "LLVM${t}Disassembler") |
| endif() |
| endforeach(t) |
| elseif( c STREQUAL "AllTargetsInfos" ) |
| # Link all the infos from all the targets |
| foreach(t ${LLVM_TARGETS_TO_BUILD}) |
| if( TARGET LLVM${t}Info ) |
| list(APPEND expanded_components "LLVM${t}Info") |
| endif() |
| endforeach(t) |
| else( NOT idx LESS 0 ) |
| # Canonize the component name: |
| string(TOUPPER "${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 OMITTED_TARGETS) |
| if(iltl_result) |
| # A missing library to a directly referenced omitted target would be bad. |
| message(FATAL_ERROR "Library '${c}' is a direct reference to a target library for an omitted target.") |
| else() |
| # If it is not an omitted target we should assume it is a component |
| # that hasn't yet been processed by CMake. Missing components will |
| # cause errors later in the configuration, so we can safely assume |
| # that this is valid here. |
| list(APPEND expanded_components LLVM${c}) |
| 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) |
