181f924beb
It's pulling in all kinds of things it doesn't need (e.g, clang-tidy!). Eliminating this dependency removes 1056 dependencies from the 'CommandObjectFrame.cpp.o' target and 454 dependencies from the 'lldb' target. On my machine, this shaves 7 minutes off of a clean build of lldb. Thanks to Zachary Turner for pointing out some issues with an earlier version of this patch! Differential Revision: https://reviews.llvm.org/D22987 llvm-svn: 279296
112 lines
3.5 KiB
CMake
112 lines
3.5 KiB
CMake
function(lldb_link_common_libs name targetkind)
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if (NOT LLDB_USED_LIBS)
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return()
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endif()
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if(${targetkind} MATCHES "SHARED")
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set(LINK_KEYWORD PUBLIC)
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endif()
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if(${targetkind} MATCHES "SHARED" OR ${targetkind} MATCHES "EXE")
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if (LLDB_LINKER_SUPPORTS_GROUPS)
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target_link_libraries(${name} ${LINK_KEYWORD}
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-Wl,--start-group ${LLDB_USED_LIBS} -Wl,--end-group)
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else()
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target_link_libraries(${name} ${LINK_KEYWORD} ${LLDB_USED_LIBS})
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endif()
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endif()
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endfunction(lldb_link_common_libs)
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macro(add_lldb_library name)
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# only supported parameters to this macro are the optional
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# MODULE;SHARED;STATIC library type and source files
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cmake_parse_arguments(PARAM
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"MODULE;SHARED;STATIC;OBJECT"
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""
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""
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${ARGN})
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llvm_process_sources(srcs ${PARAM_UNPARSED_ARGUMENTS})
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if (MSVC_IDE OR XCODE)
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string(REGEX MATCHALL "/[^/]+" split_path ${CMAKE_CURRENT_SOURCE_DIR})
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list(GET split_path -1 dir)
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file(GLOB_RECURSE headers
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../../include/lldb${dir}/*.h)
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set(srcs ${srcs} ${headers})
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endif()
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if (PARAM_MODULE)
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set(libkind MODULE)
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elseif (PARAM_SHARED)
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set(libkind SHARED)
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elseif (PARAM_OBJECT)
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set(libkind OBJECT)
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else ()
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# PARAM_STATIC or library type unspecified. BUILD_SHARED_LIBS
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# does not control the kind of libraries created for LLDB,
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# only whether or not they link to shared/static LLVM/Clang
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# libraries.
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set(libkind STATIC)
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endif()
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#PIC not needed on Win
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if (NOT MSVC)
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fPIC")
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endif()
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if (PARAM_OBJECT)
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add_library(${name} ${libkind} ${srcs})
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else()
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llvm_add_library(${name} ${libkind} DISABLE_LLVM_LINK_LLVM_DYLIB ${srcs})
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lldb_link_common_libs(${name} "${libkind}")
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if (PARAM_SHARED)
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if (LLDB_LINKER_SUPPORTS_GROUPS)
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target_link_libraries(${name} PUBLIC
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-Wl,--start-group ${CLANG_USED_LIBS} -Wl,--end-group)
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else()
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target_link_libraries(${name} PUBLIC ${CLANG_USED_LIBS})
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endif()
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endif()
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llvm_config(${name} ${LLVM_LINK_COMPONENTS} ${LLVM_PRIVATE_LINK_COMPONENTS})
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if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY OR ${name} STREQUAL "liblldb")
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if (PARAM_SHARED)
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install(TARGETS ${name}
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RUNTIME DESTINATION bin
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LIBRARY DESTINATION lib${LLVM_LIBDIR_SUFFIX}
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ARCHIVE DESTINATION lib${LLVM_LIBDIR_SUFFIX})
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else()
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install(TARGETS ${name}
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LIBRARY DESTINATION lib${LLVM_LIBDIR_SUFFIX}
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ARCHIVE DESTINATION lib${LLVM_LIBDIR_SUFFIX})
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endif()
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endif()
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endif()
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add_dependencies(${name} ${CLANG_USED_LIBS})
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set_target_properties(${name} PROPERTIES FOLDER "lldb libraries")
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endmacro(add_lldb_library)
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macro(add_lldb_executable name)
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add_llvm_executable(${name} DISABLE_LLVM_LINK_LLVM_DYLIB ${ARGN})
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set_target_properties(${name} PROPERTIES FOLDER "lldb executables")
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endmacro(add_lldb_executable)
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# Support appending linker flags to an existing target.
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# This will preserve the existing linker flags on the
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# target, if there are any.
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function(lldb_append_link_flags target_name new_link_flags)
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# Retrieve existing linker flags.
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get_target_property(current_link_flags ${target_name} LINK_FLAGS)
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# If we had any linker flags, include them first in the new linker flags.
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if(current_link_flags)
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set(new_link_flags "${current_link_flags} ${new_link_flags}")
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endif()
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# Now set them onto the target.
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set_target_properties(${target_name} PROPERTIES LINK_FLAGS ${new_link_flags})
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endfunction()
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