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 ${link_components})
42 target_link_libraries(${executable} ${LIBRARIES})
43 endfunction(explicit_llvm_config)
46 # This is a variant intended for the final user:
47 function(llvm_map_components_to_libraries OUT_VAR)
48 explicit_map_components_to_libraries(result ${ARGN})
49 set( ${OUT_VAR} ${result} ${sys_result} PARENT_SCOPE )
50 endfunction(llvm_map_components_to_libraries)
52 # Map LINK_COMPONENTS to actual libnames.
53 function(llvm_map_components_to_libnames out_libs)
54 set( link_components ${ARGN} )
55 if(NOT LLVM_AVAILABLE_LIBS)
56 # Inside LLVM itself available libs are in a global property.
57 get_property(LLVM_AVAILABLE_LIBS GLOBAL PROPERTY LLVM_LIBS)
59 string(TOUPPER "${LLVM_AVAILABLE_LIBS}" capitalized_libs)
61 # Expand some keywords:
62 list(FIND LLVM_TARGETS_TO_BUILD "${LLVM_NATIVE_ARCH}" have_native_backend)
63 list(FIND link_components "engine" engine_required)
64 if( NOT engine_required EQUAL -1 )
65 list(FIND LLVM_TARGETS_WITH_JIT "${LLVM_NATIVE_ARCH}" have_jit)
66 if( NOT have_native_backend EQUAL -1 AND NOT have_jit EQUAL -1 )
67 list(APPEND link_components "jit")
68 list(APPEND link_components "native")
70 list(APPEND link_components "interpreter")
73 list(FIND link_components "native" native_required)
74 if( NOT native_required EQUAL -1 )
75 if( NOT have_native_backend EQUAL -1 )
76 list(APPEND link_components ${LLVM_NATIVE_ARCH})
80 # Translate symbolic component names to real libraries:
81 foreach(c ${link_components})
82 # add codegen, asmprinter, asmparser, disassembler
83 list(FIND LLVM_TARGETS_TO_BUILD ${c} idx)
85 if( TARGET LLVM${c}CodeGen )
86 list(APPEND expanded_components "LLVM${c}CodeGen")
89 list(APPEND expanded_components "LLVM${c}")
91 message(FATAL_ERROR "Target ${c} is not in the set of libraries.")
94 if( TARGET LLVM${c}AsmPrinter )
95 list(APPEND expanded_components "LLVM${c}AsmPrinter")
97 if( TARGET LLVM${c}AsmParser )
98 list(APPEND expanded_components "LLVM${c}AsmParser")
100 if( TARGET LLVM${c}Info )
101 list(APPEND expanded_components "LLVM${c}Info")
103 if( TARGET LLVM${c}Disassembler )
104 list(APPEND expanded_components "LLVM${c}Disassembler")
106 elseif( c STREQUAL "native" )
108 elseif( c STREQUAL "nativecodegen" )
109 list(APPEND expanded_components "LLVM${LLVM_NATIVE_ARCH}CodeGen")
110 elseif( c STREQUAL "backend" )
111 # same case as in `native'.
112 elseif( c STREQUAL "engine" )
114 elseif( c STREQUAL "all" )
115 list(APPEND expanded_components ${LLVM_AVAILABLE_LIBS})
116 else( NOT idx LESS 0 )
117 # Canonize the component name:
118 string(TOUPPER "${c}" capitalized)
119 list(FIND capitalized_libs LLVM${capitalized} lib_idx)
121 # The component is unknown. Maybe is an omitted target?
122 is_llvm_target_library(${c} iltl_result)
123 if( NOT iltl_result )
124 message(FATAL_ERROR "Library `${c}' not found in list of llvm libraries.")
126 else( lib_idx LESS 0 )
127 list(GET LLVM_AVAILABLE_LIBS ${lib_idx} canonical_lib)
128 list(APPEND expanded_components ${canonical_lib})
129 endif( lib_idx LESS 0 )
130 endif( NOT idx LESS 0 )
133 set(${out_libs} ${expanded_components} PARENT_SCOPE)
136 # Expand dependencies while topologically sorting the list of libraries:
137 function(llvm_expand_dependencies out_libs)
138 set(expanded_components ${ARGN})
139 list(LENGTH expanded_components lst_size)
142 while( cursor LESS lst_size )
143 list(GET expanded_components ${cursor} lib)
144 get_property(lib_deps GLOBAL PROPERTY LLVMBUILD_LIB_DEPS_${lib})
145 list(APPEND expanded_components ${lib_deps})
146 # Remove duplicates at the front:
147 list(REVERSE expanded_components)
148 list(REMOVE_DUPLICATES expanded_components)
149 list(REVERSE expanded_components)
150 list(APPEND processed ${lib})
151 # Find the maximum index that doesn't have to be re-processed:
152 while(NOT "${expanded_components}" MATCHES "^${processed}.*" )
153 list(REMOVE_AT processed -1)
155 list(LENGTH processed cursor)
156 list(LENGTH expanded_components lst_size)
157 endwhile( cursor LESS lst_size )
158 set(${out_libs} ${expanded_components} PARENT_SCOPE)
161 function(explicit_map_components_to_libraries out_libs)
162 llvm_map_components_to_libnames(link_libs ${ARGN})
163 llvm_expand_dependencies(expanded_components ${link_libs})
164 # Return just the libraries included in this build:
166 foreach(c ${expanded_components})
168 set(result ${result} ${c})
171 set(${out_libs} ${result} PARENT_SCOPE)
172 endfunction(explicit_map_components_to_libraries)