1 function(get_system_libs return_var)
2 message(AUTHOR_WARNING "get_system_libs no longer needed")
3 set(${return_var} "" PARENT_SCOPE)
7 function(link_system_libs target)
8 message(AUTHOR_WARNING "link_system_libs no longer needed")
12 function(is_llvm_target_library library return_var)
13 # Sets variable `return_var' to ON if `library' corresponds to a
14 # LLVM supported target. To OFF if it doesn't.
15 set(${return_var} OFF PARENT_SCOPE)
16 string(TOUPPER "${library}" capitalized_lib)
17 string(TOUPPER "${LLVM_ALL_TARGETS}" targets)
19 if( capitalized_lib STREQUAL t OR
20 capitalized_lib STREQUAL "LLVM${t}" OR
21 capitalized_lib STREQUAL "LLVM${t}CODEGEN" OR
22 capitalized_lib STREQUAL "LLVM${t}ASMPARSER" OR
23 capitalized_lib STREQUAL "LLVM${t}ASMPRINTER" OR
24 capitalized_lib STREQUAL "LLVM${t}DISASSEMBLER" OR
25 capitalized_lib STREQUAL "LLVM${t}INFO" )
26 set(${return_var} ON PARENT_SCOPE)
30 endfunction(is_llvm_target_library)
33 macro(llvm_config executable)
34 explicit_llvm_config(${executable} ${ARGN})
38 function(explicit_llvm_config executable)
39 set( link_components ${ARGN} )
41 llvm_map_components_to_libnames(LIBRARIES ${link_components})
42 get_target_property(t ${executable} TYPE)
43 if("x${t}" STREQUAL "xSTATIC_LIBRARY")
44 target_link_libraries(${executable} INTERFACE ${LIBRARIES})
45 elseif("x${t}" STREQUAL "xSHARED_LIBRARY" OR "x${t}" STREQUAL "xMODULE_LIBRARY")
46 target_link_libraries(${executable} PRIVATE ${LIBRARIES})
48 # Use plain form for legacy user.
49 target_link_libraries(${executable} ${LIBRARIES})
51 endfunction(explicit_llvm_config)
55 function(llvm_map_components_to_libraries OUT_VAR)
56 message(AUTHOR_WARNING "Using llvm_map_components_to_libraries() is deprecated. Use llvm_map_components_to_libnames() instead")
57 explicit_map_components_to_libraries(result ${ARGN})
58 set( ${OUT_VAR} ${result} ${sys_result} PARENT_SCOPE )
59 endfunction(llvm_map_components_to_libraries)
61 # This is a variant intended for the final user:
62 # Map LINK_COMPONENTS to actual libnames.
63 function(llvm_map_components_to_libnames out_libs)
64 set( link_components ${ARGN} )
65 if(NOT LLVM_AVAILABLE_LIBS)
66 # Inside LLVM itself available libs are in a global property.
67 get_property(LLVM_AVAILABLE_LIBS GLOBAL PROPERTY LLVM_LIBS)
69 string(TOUPPER "${LLVM_AVAILABLE_LIBS}" capitalized_libs)
71 # Expand some keywords:
72 list(FIND LLVM_TARGETS_TO_BUILD "${LLVM_NATIVE_ARCH}" have_native_backend)
73 list(FIND link_components "engine" engine_required)
74 if( NOT engine_required EQUAL -1 )
75 list(FIND LLVM_TARGETS_WITH_JIT "${LLVM_NATIVE_ARCH}" have_jit)
76 if( NOT have_native_backend EQUAL -1 AND NOT have_jit EQUAL -1 )
77 list(APPEND link_components "jit")
78 list(APPEND link_components "native")
80 list(APPEND link_components "interpreter")
83 list(FIND link_components "native" native_required)
84 if( NOT native_required EQUAL -1 )
85 if( NOT have_native_backend EQUAL -1 )
86 list(APPEND link_components ${LLVM_NATIVE_ARCH})
90 # Translate symbolic component names to real libraries:
91 foreach(c ${link_components})
92 # add codegen, asmprinter, asmparser, disassembler
93 list(FIND LLVM_TARGETS_TO_BUILD ${c} idx)
95 if( TARGET LLVM${c}CodeGen )
96 list(APPEND expanded_components "LLVM${c}CodeGen")
99 list(APPEND expanded_components "LLVM${c}")
101 message(FATAL_ERROR "Target ${c} is not in the set of libraries.")
104 if( TARGET LLVM${c}AsmPrinter )
105 list(APPEND expanded_components "LLVM${c}AsmPrinter")
107 if( TARGET LLVM${c}AsmParser )
108 list(APPEND expanded_components "LLVM${c}AsmParser")
110 if( TARGET LLVM${c}Desc )
111 list(APPEND expanded_components "LLVM${c}Desc")
113 if( TARGET LLVM${c}Info )
114 list(APPEND expanded_components "LLVM${c}Info")
116 if( TARGET LLVM${c}Disassembler )
117 list(APPEND expanded_components "LLVM${c}Disassembler")
119 elseif( c STREQUAL "native" )
121 elseif( c STREQUAL "nativecodegen" )
122 list(APPEND expanded_components "LLVM${LLVM_NATIVE_ARCH}CodeGen")
123 if( TARGET LLVM${LLVM_NATIVE_ARCH}Desc )
124 list(APPEND expanded_components "LLVM${LLVM_NATIVE_ARCH}Desc")
126 if( TARGET LLVM${LLVM_NATIVE_ARCH}Info )
127 list(APPEND expanded_components "LLVM${LLVM_NATIVE_ARCH}Info")
129 elseif( c STREQUAL "backend" )
130 # same case as in `native'.
131 elseif( c STREQUAL "engine" )
133 elseif( c STREQUAL "all" )
134 list(APPEND expanded_components ${LLVM_AVAILABLE_LIBS})
135 elseif( c STREQUAL "AllTargetsAsmPrinters" )
136 # Link all the asm printers from all the targets
137 foreach(t ${LLVM_TARGETS_TO_BUILD})
138 if( TARGET LLVM${t}AsmPrinter )
139 list(APPEND expanded_components "LLVM${t}AsmPrinter")
142 elseif( c STREQUAL "AllTargetsAsmParsers" )
143 # Link all the asm parsers from all the targets
144 foreach(t ${LLVM_TARGETS_TO_BUILD})
145 if( TARGET LLVM${t}AsmParser )
146 list(APPEND expanded_components "LLVM${t}AsmParser")
149 elseif( c STREQUAL "AllTargetsDescs" )
150 # Link all the descs from all the targets
151 foreach(t ${LLVM_TARGETS_TO_BUILD})
152 if( TARGET LLVM${t}Desc )
153 list(APPEND expanded_components "LLVM${t}Desc")
156 elseif( c STREQUAL "AllTargetsDisassemblers" )
157 # Link all the disassemblers from all the targets
158 foreach(t ${LLVM_TARGETS_TO_BUILD})
159 if( TARGET LLVM${t}Disassembler )
160 list(APPEND expanded_components "LLVM${t}Disassembler")
163 elseif( c STREQUAL "AllTargetsInfos" )
164 # Link all the infos from all the targets
165 foreach(t ${LLVM_TARGETS_TO_BUILD})
166 if( TARGET LLVM${t}Info )
167 list(APPEND expanded_components "LLVM${t}Info")
170 else( NOT idx LESS 0 )
171 # Canonize the component name:
172 string(TOUPPER "${c}" capitalized)
173 list(FIND capitalized_libs LLVM${capitalized} lib_idx)
175 # The component is unknown. Maybe is an omitted target?
176 is_llvm_target_library(${c} iltl_result)
177 if( NOT iltl_result )
178 message(FATAL_ERROR "Library `${c}' not found in list of llvm libraries.")
180 else( lib_idx LESS 0 )
181 list(GET LLVM_AVAILABLE_LIBS ${lib_idx} canonical_lib)
182 list(APPEND expanded_components ${canonical_lib})
183 endif( lib_idx LESS 0 )
184 endif( NOT idx LESS 0 )
187 set(${out_libs} ${expanded_components} PARENT_SCOPE)
190 # Perform a post-order traversal of the dependency graph.
191 # This duplicates the algorithm used by llvm-config, originally
192 # in tools/llvm-config/llvm-config.cpp, function ComputeLibsForComponents.
193 function(expand_topologically name required_libs visited_libs)
194 list(FIND visited_libs ${name} found)
196 list(APPEND visited_libs ${name})
197 set(visited_libs ${visited_libs} PARENT_SCOPE)
199 get_property(lib_deps GLOBAL PROPERTY LLVMBUILD_LIB_DEPS_${name})
200 foreach( lib_dep ${lib_deps} )
201 expand_topologically(${lib_dep} "${required_libs}" "${visited_libs}")
202 set(required_libs ${required_libs} PARENT_SCOPE)
203 set(visited_libs ${visited_libs} PARENT_SCOPE)
206 list(APPEND required_libs ${name})
207 set(required_libs ${required_libs} PARENT_SCOPE)
211 # Expand dependencies while topologically sorting the list of libraries:
212 function(llvm_expand_dependencies out_libs)
213 set(expanded_components ${ARGN})
217 foreach( lib ${expanded_components} )
218 expand_topologically(${lib} "${required_libs}" "${visited_libs}")
221 list(REVERSE required_libs)
222 set(${out_libs} ${required_libs} PARENT_SCOPE)
225 function(explicit_map_components_to_libraries out_libs)
226 llvm_map_components_to_libnames(link_libs ${ARGN})
227 llvm_expand_dependencies(expanded_components ${link_libs})
228 # Return just the libraries included in this build:
230 foreach(c ${expanded_components})
232 set(result ${result} ${c})
235 set(${out_libs} ${result} PARENT_SCOPE)
236 endfunction(explicit_map_components_to_libraries)