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 ${executable} TYPE)
43 if("${t}" STREQUAL "STATIC_LIBRARY")
44 target_link_libraries(${executable} ${cmake_2_8_12_INTERFACE} ${LIBRARIES})
45 elseif("${t}" STREQUAL "SHARED_LIBRARY" OR "${t}" STREQUAL "MODULE_LIBRARY")
46 target_link_libraries(${executable} ${cmake_2_8_12_PRIVATE} ${LIBRARIES})
48 # Use plain form for legacy user.
49 target_link_libraries(${executable} ${LIBRARIES})
51 endfunction(explicit_llvm_config)
54 # This is a variant intended for the final user:
55 function(llvm_map_components_to_libraries OUT_VAR)
56 explicit_map_components_to_libraries(result ${ARGN})
57 set( ${OUT_VAR} ${result} ${sys_result} PARENT_SCOPE )
58 endfunction(llvm_map_components_to_libraries)
60 # Map LINK_COMPONENTS to actual libnames.
61 function(llvm_map_components_to_libnames out_libs)
62 set( link_components ${ARGN} )
63 if(NOT LLVM_AVAILABLE_LIBS)
64 # Inside LLVM itself available libs are in a global property.
65 get_property(LLVM_AVAILABLE_LIBS GLOBAL PROPERTY LLVM_LIBS)
67 string(TOUPPER "${LLVM_AVAILABLE_LIBS}" capitalized_libs)
69 # Expand some keywords:
70 list(FIND LLVM_TARGETS_TO_BUILD "${LLVM_NATIVE_ARCH}" have_native_backend)
71 list(FIND link_components "engine" engine_required)
72 if( NOT engine_required EQUAL -1 )
73 list(FIND LLVM_TARGETS_WITH_JIT "${LLVM_NATIVE_ARCH}" have_jit)
74 if( NOT have_native_backend EQUAL -1 AND NOT have_jit EQUAL -1 )
75 list(APPEND link_components "jit")
76 list(APPEND link_components "native")
78 list(APPEND link_components "interpreter")
81 list(FIND link_components "native" native_required)
82 if( NOT native_required EQUAL -1 )
83 if( NOT have_native_backend EQUAL -1 )
84 list(APPEND link_components ${LLVM_NATIVE_ARCH})
88 # Translate symbolic component names to real libraries:
89 foreach(c ${link_components})
90 # add codegen, asmprinter, asmparser, disassembler
91 list(FIND LLVM_TARGETS_TO_BUILD ${c} idx)
93 if( TARGET LLVM${c}CodeGen )
94 list(APPEND expanded_components "LLVM${c}CodeGen")
97 list(APPEND expanded_components "LLVM${c}")
99 message(FATAL_ERROR "Target ${c} is not in the set of libraries.")
102 if( TARGET LLVM${c}AsmPrinter )
103 list(APPEND expanded_components "LLVM${c}AsmPrinter")
105 if( TARGET LLVM${c}AsmParser )
106 list(APPEND expanded_components "LLVM${c}AsmParser")
108 if( TARGET LLVM${c}Info )
109 list(APPEND expanded_components "LLVM${c}Info")
111 if( TARGET LLVM${c}Disassembler )
112 list(APPEND expanded_components "LLVM${c}Disassembler")
114 elseif( c STREQUAL "native" )
116 elseif( c STREQUAL "nativecodegen" )
117 list(APPEND expanded_components "LLVM${LLVM_NATIVE_ARCH}CodeGen")
118 elseif( c STREQUAL "backend" )
119 # same case as in `native'.
120 elseif( c STREQUAL "engine" )
122 elseif( c STREQUAL "all" )
123 list(APPEND expanded_components ${LLVM_AVAILABLE_LIBS})
124 else( NOT idx LESS 0 )
125 # Canonize the component name:
126 string(TOUPPER "${c}" capitalized)
127 list(FIND capitalized_libs LLVM${capitalized} lib_idx)
129 # The component is unknown. Maybe is an omitted target?
130 is_llvm_target_library(${c} iltl_result)
131 if( NOT iltl_result )
132 message(FATAL_ERROR "Library `${c}' not found in list of llvm libraries.")
134 else( lib_idx LESS 0 )
135 list(GET LLVM_AVAILABLE_LIBS ${lib_idx} canonical_lib)
136 list(APPEND expanded_components ${canonical_lib})
137 endif( lib_idx LESS 0 )
138 endif( NOT idx LESS 0 )
141 set(${out_libs} ${expanded_components} PARENT_SCOPE)
144 # Expand dependencies while topologically sorting the list of libraries:
145 function(llvm_expand_dependencies out_libs)
146 set(expanded_components ${ARGN})
147 list(LENGTH expanded_components lst_size)
150 while( cursor LESS lst_size )
151 list(GET expanded_components ${cursor} lib)
152 get_property(lib_deps GLOBAL PROPERTY LLVMBUILD_LIB_DEPS_${lib})
153 list(APPEND expanded_components ${lib_deps})
154 # Remove duplicates at the front:
155 list(REVERSE expanded_components)
156 list(REMOVE_DUPLICATES expanded_components)
157 list(REVERSE expanded_components)
158 list(APPEND processed ${lib})
159 # Find the maximum index that doesn't have to be re-processed:
160 while(NOT "${expanded_components}" MATCHES "^${processed}.*" )
161 list(REMOVE_AT processed -1)
163 list(LENGTH processed cursor)
164 list(LENGTH expanded_components lst_size)
165 endwhile( cursor LESS lst_size )
166 set(${out_libs} ${expanded_components} PARENT_SCOPE)
169 function(explicit_map_components_to_libraries out_libs)
170 llvm_map_components_to_libnames(link_libs ${ARGN})
171 llvm_expand_dependencies(expanded_components ${link_libs})
172 # Return just the libraries included in this build:
174 foreach(c ${expanded_components})
176 set(result ${result} ${c})
179 set(${out_libs} ${result} PARENT_SCOPE)
180 endfunction(explicit_map_components_to_libraries)