function(get_system_libs return_var)
- # Returns in `return_var' a list of system libraries used by LLVM.
- if( NOT MSVC )
- if( MINGW )
- set(system_libs ${system_libs} imagehlp psapi)
- elseif( CMAKE_HOST_UNIX )
- if( HAVE_LIBDL )
- set(system_libs ${system_libs} ${CMAKE_DL_LIBS})
- endif()
- if( LLVM_ENABLE_THREADS AND HAVE_LIBPTHREAD )
- set(system_libs ${system_libs} pthread)
- endif()
- endif( MINGW )
- endif( NOT MSVC )
- set(${return_var} ${system_libs} PARENT_SCOPE)
-endfunction(get_system_libs)
+ message(AUTHOR_WARNING "get_system_libs no longer needed")
+ set(${return_var} "" PARENT_SCOPE)
+endfunction()
function(link_system_libs target)
- get_system_libs(llvm_system_libs)
- target_link_libraries(${target} ${llvm_system_libs})
-endfunction(link_system_libs)
+ message(AUTHOR_WARNING "link_system_libs no longer needed")
+endfunction()
function(is_llvm_target_library library return_var)
string(TOUPPER "${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${t}INFO" )
+ capitalized_lib STREQUAL "LLVM${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()
macro(llvm_config executable)
- explicit_llvm_config(${executable} ${ARGN})
+ cmake_parse_arguments(ARG "USE_SHARED" "" "" ${ARGN})
+ set(link_components ${ARG_UNPARSED_ARGUMENTS})
+
+ if(USE_SHARED)
+ # If USE_SHARED is specified, then we link against libLLVM,
+ # but also against the component libraries below. This is
+ # done in case libLLVM does not contain all of the components
+ # the target requires.
+ #
+ # TODO strip LLVM_DYLIB_COMPONENTS out of link_components.
+ # To do this, we need special handling for "all", since that
+ # may imply linking to libraries that are not included in
+ # libLLVM.
+ target_link_libraries(${executable} LLVM)
+ endif()
+
+ explicit_llvm_config(${executable} ${link_components})
endmacro(llvm_config)
function(explicit_llvm_config executable)
set( link_components ${ARGN} )
- explicit_map_components_to_libraries(LIBRARIES ${link_components})
- target_link_libraries(${executable} ${LIBRARIES})
+ 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 a variant intended for the final user:
+# 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})
- get_system_libs(sys_result)
set( ${OUT_VAR} ${result} ${sys_result} PARENT_SCOPE )
endfunction(llvm_map_components_to_libraries)
-
-function(explicit_map_components_to_libraries out_libs)
+# 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 ${ARGN} )
- get_property(llvm_libs GLOBAL PROPERTY LLVM_LIBS)
- string(TOUPPER "${llvm_libs}" capitalized_libs)
+ 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)
# add codegen, asmprinter, asmparser, disassembler
list(FIND LLVM_TARGETS_TO_BUILD ${c} idx)
if( NOT idx LESS 0 )
- list(FIND llvm_libs "LLVM${c}CodeGen" idx)
- if( NOT idx LESS 0 )
- list(APPEND expanded_components "LLVM${c}CodeGen")
+ if( TARGET LLVM${c}CodeGen )
+ list(APPEND expanded_components "LLVM${c}CodeGen")
else()
- list(FIND llvm_libs "LLVM${c}" idx)
- if( NOT idx LESS 0 )
- list(APPEND expanded_components "LLVM${c}")
- else()
- message(FATAL_ERROR "Target ${c} is not in the set of libraries.")
- endif()
+ if( TARGET LLVM${c} )
+ list(APPEND expanded_components "LLVM${c}")
+ else()
+ message(FATAL_ERROR "Target ${c} is not in the set of libraries.")
+ endif()
endif()
- list(FIND llvm_libs "LLVM${c}AsmPrinter" asmidx)
- if( NOT asmidx LESS 0 )
+ if( TARGET LLVM${c}AsmPrinter )
list(APPEND expanded_components "LLVM${c}AsmPrinter")
endif()
- list(FIND llvm_libs "LLVM${c}AsmParser" asmidx)
- if( NOT asmidx LESS 0 )
+ if( TARGET LLVM${c}AsmParser )
list(APPEND expanded_components "LLVM${c}AsmParser")
endif()
- list(FIND llvm_libs "LLVM${c}Info" asmidx)
- if( NOT asmidx LESS 0 )
+ 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()
- list(FIND llvm_libs "LLVM${c}Disassembler" asmidx)
- if( NOT asmidx LESS 0 )
+ if( TARGET LLVM${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_libs})
+ 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${capitalized} lib_idx)
if( lib_idx LESS 0 )
- # The component is unkown. Maybe is an ommitted target?
- is_llvm_target_library(${c} iltl_result)
- if( NOT iltl_result )
- message(FATAL_ERROR "Library `${c}' not found in list of llvm libraries.")
- endif()
+ # The component is unknown. Maybe is an omitted target?
+ is_llvm_target_library(${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_libs ${lib_idx} canonical_lib)
- list(APPEND expanded_components ${canonical_lib})
+ 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)
- # Expand dependencies while topologically sorting the list of libraries:
- list(LENGTH expanded_components lst_size)
- set(cursor 0)
- set(processed)
- while( cursor LESS lst_size )
- list(GET expanded_components ${cursor} lib)
- list(APPEND expanded_components ${MSVC_LIB_DEPS_${lib}})
- # Remove duplicates at the front:
- list(REVERSE expanded_components)
- list(REMOVE_DUPLICATES expanded_components)
- list(REVERSE expanded_components)
- list(APPEND processed ${lib})
- # Find the maximum index that doesn't have to be re-processed:
- while(NOT "${expanded_components}" MATCHES "^${processed}.*" )
- list(REMOVE_AT processed -1)
- endwhile()
- list(LENGTH processed cursor)
- list(LENGTH expanded_components lst_size)
- endwhile( cursor LESS lst_size )
+
+ set(${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})
- list(FIND llvm_libs ${c} lib_idx)
- if( NOT lib_idx LESS 0 )
+ if( TARGET ${c} )
set(result ${result} ${c})
endif()
endforeach(c)
set(${out_libs} ${result} PARENT_SCOPE)
endfunction(explicit_map_components_to_libraries)
-
-
-# The library dependency data is contained in the file
-# LLVMLibDeps.cmake on this directory. It is automatically generated
-# by tools/llvm-config/CMakeLists.txt when the build comprises all the
-# targets and we are on a environment Posix enough to build the
-# llvm-config script. This, in practice, just excludes MSVC.
-
-# When you remove or rename a library from the build, be sure to
-# remove its file from lib/ as well, or the GenLibDeps.pl script will
-# include it on its analysis!
-
-# The format generated by GenLibDeps.pl
-
-# LLVMARMAsmPrinter.o: LLVMARMCodeGen.o libLLVMAsmPrinter.a libLLVMCodeGen.a libLLVMCore.a libLLVMSupport.a libLLVMTarget.a
-
-# is translated to:
-
-# set(MSVC_LIB_DEPS_LLVMARMAsmPrinter LLVMARMCodeGen LLVMAsmPrinter LLVMCodeGen LLVMCore LLVMSupport LLVMTarget)
-
-# It is necessary to remove the `lib' prefix and the `.a'.
-
-# This 'sed' script should do the trick:
-# sed -e s'#\.a##g' -e 's#libLLVM#LLVM#g' -e 's#: # #' -e 's#\(.*\)#set(MSVC_LIB_DEPS_\1)#' ~/llvm/tools/llvm-config/LibDeps.txt
-
-include(LLVMLibDeps)
projects / oota-llvm.git / blobdiff