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130 lines
4.7 KiB
CMake
Executable File
130 lines
4.7 KiB
CMake
Executable File
function(get_system_libs return_var)
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# Returns in `return_var' a list of system libraries used by LLVM.
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if( NOT MSVC )
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if( MINGW )
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set(system_libs ${system_libs} imagehlp psapi)
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elseif( CMAKE_HOST_UNIX )
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if( HAVE_LIBDL )
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set(system_libs ${system_libs} ${CMAKE_DL_LIBS})
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endif()
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if( LLVM_ENABLE_THREADS AND HAVE_LIBPTHREAD )
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set(system_libs ${system_libs} pthread)
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endif()
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endif( MINGW )
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endif( NOT MSVC )
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set(${return_var} ${system_libs} PARENT_SCOPE)
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endfunction(get_system_libs)
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macro(llvm_config executable)
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explicit_llvm_config(${executable} ${ARGN})
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endmacro(llvm_config)
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function(explicit_llvm_config executable)
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set( link_components ${ARGN} )
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explicit_map_components_to_libraries(LIBRARIES ${link_components})
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target_link_libraries(${executable} ${LIBRARIES})
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endfunction(explicit_llvm_config)
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function(explicit_map_components_to_libraries out_libs)
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set( link_components ${ARGN} )
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foreach(c ${link_components})
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# add codegen, asmprinter, asmparser, disassembler
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list(FIND LLVM_TARGETS_TO_BUILD ${c} idx)
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if( NOT idx LESS 0 )
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list(FIND llvm_libs "LLVM${c}CodeGen" idx)
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if( NOT idx LESS 0 )
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list(APPEND expanded_components "LLVM${c}CodeGen")
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else()
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list(FIND llvm_libs "LLVM${c}" idx)
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if( NOT idx LESS 0 )
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list(APPEND expanded_components "LLVM${c}")
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else()
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message(FATAL_ERROR "Target ${c} is not in the set of libraries.")
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endif()
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endif()
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list(FIND llvm_libs "LLVM${c}AsmPrinter" asmidx)
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if( NOT asmidx LESS 0 )
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list(APPEND expanded_components "LLVM${c}AsmPrinter")
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endif()
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list(FIND llvm_libs "LLVM${c}AsmParser" asmidx)
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if( NOT asmidx LESS 0 )
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list(APPEND expanded_components "LLVM${c}AsmParser")
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endif()
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list(FIND llvm_libs "LLVM${c}Info" asmidx)
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if( NOT asmidx LESS 0 )
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list(APPEND expanded_components "LLVM${c}Info")
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endif()
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list(FIND llvm_libs "LLVM${c}Disassembler" asmidx)
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if( NOT asmidx LESS 0 )
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list(APPEND expanded_components "LLVM${c}Disassembler")
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endif()
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elseif( c STREQUAL "native" )
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list(APPEND expanded_components "LLVM${LLVM_NATIVE_ARCH}CodeGen")
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elseif( c STREQUAL "nativecodegen" )
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list(APPEND expanded_components "LLVM${LLVM_NATIVE_ARCH}CodeGen")
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elseif( c STREQUAL "backend" )
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# same case as in `native'.
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elseif( c STREQUAL "engine" )
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# TODO: as we assume we are on X86, this is `jit'.
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list(APPEND expanded_components "LLVMJIT")
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elseif( c STREQUAL "all" )
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list(APPEND expanded_components ${llvm_libs})
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else( NOT idx LESS 0 )
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list(APPEND expanded_components LLVM${c})
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endif( NOT idx LESS 0 )
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endforeach(c)
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# We must match capitalization.
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string(TOUPPER "${llvm_libs}" capitalized_libs)
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list(REMOVE_DUPLICATES expanded_components)
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list(LENGTH expanded_components lst_size)
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set(result "")
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while( 0 LESS ${lst_size} )
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list(GET expanded_components 0 c)
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string(TOUPPER "${c}" capitalized)
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list(FIND capitalized_libs ${capitalized} idx)
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if( idx LESS 0 )
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message(FATAL_ERROR "Library ${c} not found in list of llvm libraries.")
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endif( idx LESS 0 )
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list(GET llvm_libs ${idx} canonical_lib)
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list(REMOVE_ITEM result ${canonical_lib})
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list(APPEND result ${canonical_lib})
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foreach(c ${MSVC_LIB_DEPS_${canonical_lib}})
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list(REMOVE_ITEM expanded_components ${c})
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endforeach()
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list(APPEND expanded_components ${MSVC_LIB_DEPS_${canonical_lib}})
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list(REMOVE_AT expanded_components 0)
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list(LENGTH expanded_components lst_size)
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endwhile( 0 LESS ${lst_size} )
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set(${out_libs} ${result} PARENT_SCOPE)
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endfunction(explicit_map_components_to_libraries)
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# The library dependency data is contained in the file
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# LLVMLibDeps.cmake on this directory. It is automatically generated
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# by tools/llvm-config/CMakeLists.txt when the build comprises all the
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# targets and we are on a environment Posix enough to build the
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# llvm-config script. This, in practice, just excludes MSVC.
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# When you remove or rename a library from the build, be sure to
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# remove its file from lib/ as well, or the GenLibDeps.pl script will
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# include it on its analysis!
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# The format generated by GenLibDeps.pl
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# LLVMARMAsmPrinter.o: LLVMARMCodeGen.o libLLVMAsmPrinter.a libLLVMCodeGen.a libLLVMCore.a libLLVMSupport.a libLLVMTarget.a
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# is translated to:
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# set(MSVC_LIB_DEPS_LLVMARMAsmPrinter LLVMARMCodeGen LLVMAsmPrinter LLVMCodeGen LLVMCore LLVMSupport LLVMTarget)
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# It is necessary to remove the `lib' prefix and the `.a'.
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# This 'sed' script should do the trick:
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# 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
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include(LLVMLibDeps)
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