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 shell32)
- elseif( CMAKE_HOST_UNIX )
- if( HAVE_LIBRT )
- set(system_libs ${system_libs} rt)
- endif()
- if( HAVE_LIBDL )
- set(system_libs ${system_libs} ${CMAKE_DL_LIBS})
- endif()
- if(LLVM_ENABLE_TERMINFO)
- if(HAVE_TERMINFO)
- set(system_libs ${system_libs} ${TERMINFO_LIBS})
- endif()
- endif()
- if( LLVM_ENABLE_THREADS AND HAVE_LIBPTHREAD )
- set(system_libs ${system_libs} pthread)
- endif()
- if ( LLVM_ENABLE_ZLIB AND HAVE_LIBZ )
- set(system_libs ${system_libs} z)
- endif()
- endif( MINGW )
- endif( NOT MSVC )
- set(${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)
set( link_components ${ARGN} )
llvm_map_components_to_libnames(LIBRARIES ${link_components})
- target_link_libraries(${executable} ${LIBRARIES})
+ get_target_property(t ${executable} TYPE)
+ if("x${t}" STREQUAL "xSTATIC_LIBRARY")
+ target_link_libraries(${executable} ${cmake_2_8_12_INTERFACE} ${LIBRARIES})
+ elseif("x${t}" STREQUAL "xSHARED_LIBRARY" OR "x${t}" STREQUAL "xMODULE_LIBRARY")
+ target_link_libraries(${executable} ${cmake_2_8_12_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)
+# 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 )
+ if( TARGET LLVM${c}CodeGen )
list(APPEND expanded_components "LLVM${c}CodeGen")
else()
- list(FIND llvm_libs "LLVM${c}" idx)
- if( NOT idx LESS 0 )
+ if( TARGET LLVM${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 ${LLVM_AVAILABLE_LIBS})
else( NOT idx LESS 0 )
# Canonize the component name:
string(TOUPPER "${c}" capitalized)
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(GET LLVM_AVAILABLE_LIBS ${lib_idx} canonical_lib)
list(APPEND expanded_components ${canonical_lib})
endif( lib_idx LESS 0 )
endif( NOT idx LESS 0 )
set(${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})
- list(LENGTH expanded_components lst_size)
- set(cursor 0)
- set(processed)
- while( cursor LESS lst_size )
- list(GET expanded_components ${cursor} lib)
- get_property(lib_deps GLOBAL PROPERTY LLVMBUILD_LIB_DEPS_${lib})
- list(APPEND expanded_components ${lib_deps})
- # 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)
+
+ 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})
- get_property(llvm_libs GLOBAL PROPERTY LLVM_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)