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259 lines
7.5 KiB
259 lines
7.5 KiB
cmake_minimum_required(VERSION 3.8)
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project(ccls LANGUAGES CXX)
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option(USE_SYSTEM_RAPIDJSON "Use system RapidJSON instead of the git submodule if exists" ON)
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# Sources for the executable are specified at end of CMakeLists.txt
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add_executable(ccls "")
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### Default build type
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set(DEFAULT_CMAKE_BUILD_TYPE Release)
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# CMAKE_BUILD_TYPE is not available if a multi-configuration generator is used
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# (eg Visual Studio generators)
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if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
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message(STATUS "Setting build type to '${DEFAULT_CMAKE_BUILD_TYPE}' as none \
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was specified.")
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set(CMAKE_BUILD_TYPE ${DEFAULT_CMAKE_BUILD_TYPE}
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CACHE STRING "Choose the type of build." FORCE)
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# Set the possible values of build type for cmake-gui
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set_property(CACHE CMAKE_BUILD_TYPE
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PROPERTY STRINGS Debug Release MinSizeRel RelWithDebInfo)
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endif()
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### Compile options
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# Enable C++17 (Required)
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set_property(TARGET ccls PROPERTY CXX_STANDARD 17)
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set_property(TARGET ccls PROPERTY CXX_STANDARD_REQUIRED ON)
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set_property(TARGET ccls PROPERTY CXX_EXTENSIONS OFF)
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# CMake sets MSVC for both MSVC and Clang(Windows)
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if(MSVC)
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# Common MSVC/Clang(Windows) options
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target_compile_options(ccls PRIVATE
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/nologo
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/EHsc
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/D_CRT_SECURE_NO_WARNINGS # don't try to use MSVC std replacements
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/W3 # roughly -Wall
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/wd4996 # ignore deprecated declaration
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/wd4267 # ignores warning C4267
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# (conversion from 'size_t' to 'type'),
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# roughly -Wno-sign-compare
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/wd4800
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/wd4068 # Disable unknown pragma warning
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/std:c++17
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$<$<CONFIG:Debug>:/FS>
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)
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# relink system libs
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target_link_libraries(ccls PRIVATE Mincore.lib)
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else()
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# Common GCC/Clang(Linux) options
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target_compile_options(ccls PRIVATE
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-Wall
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-Wno-sign-compare
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)
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if(${CMAKE_CXX_COMPILER_ID} STREQUAL GNU)
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target_compile_options(ccls PRIVATE -Wno-return-type -Wno-unused-result)
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endif()
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if(${CMAKE_CXX_COMPILER_ID} STREQUAL Clang)
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target_compile_options(ccls PRIVATE
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$<$<CONFIG:Debug>:-fno-limit-debug-info>)
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endif()
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endif()
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### Libraries
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find_package(Clang REQUIRED)
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if(CLANG_LINK_CLANG_DYLIB)
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target_link_libraries(ccls PRIVATE clang-cpp)
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else()
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target_link_libraries(ccls PRIVATE
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clangIndex
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clangFormat
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clangTooling
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clangToolingInclusions
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clangToolingCore
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clangFrontend
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clangParse
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clangSerialization
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clangSema
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clangAST
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clangLex
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clangDriver
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clangBasic
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)
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endif()
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if(LLVM_LINK_LLVM_DYLIB)
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target_link_libraries(ccls PRIVATE LLVM)
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else()
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# In llvm 7, clangDriver headers reference LLVMOption
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target_link_libraries(ccls PRIVATE LLVMOption LLVMSupport)
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endif()
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if(NOT LLVM_ENABLE_RTTI)
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# releases.llvm.org libraries are compiled with -fno-rtti
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# The mismatch between lib{clang,LLVM}* and ccls can make libstdc++ std::make_shared return nullptr
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# _Sp_counted_ptr_inplace::_M_get_deleter
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if(MSVC)
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target_compile_options(ccls PRIVATE /GR-)
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else()
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target_compile_options(ccls PRIVATE -fno-rtti)
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endif()
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endif()
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# Enable threading support
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set(THREADS_PREFER_PTHREAD_FLAG ON)
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find_package(Threads REQUIRED)
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target_link_libraries(ccls PRIVATE Threads::Threads)
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if(${CMAKE_SYSTEM_NAME} STREQUAL FreeBSD)
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find_package(Backtrace REQUIRED)
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target_link_libraries(ccls PRIVATE ${Backtrace_LIBRARIES})
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# src/platform_posix.cc uses libthr
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target_link_libraries(ccls PRIVATE thr)
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endif()
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if(LLVM_ENABLE_ZLIB)
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find_package(ZLIB)
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endif()
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### Definitions
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# Find Clang resource directory with Clang executable.
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if(NOT CLANG_RESOURCE_DIR)
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find_program(CLANG_EXECUTABLE clang)
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if(NOT CLANG_EXECUTABLE)
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message(FATAL_ERROR "clang executable not found.")
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endif()
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execute_process(
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COMMAND ${CLANG_EXECUTABLE} -print-resource-dir
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RESULT_VARIABLE CLANG_FIND_RESOURCE_DIR_RESULT
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OUTPUT_VARIABLE CLANG_RESOURCE_DIR
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ERROR_VARIABLE CLANG_FIND_RESOURCE_DIR_ERROR
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OUTPUT_STRIP_TRAILING_WHITESPACE
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)
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if(CLANG_FIND_RESOURCE_DIR_RESULT)
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message(FATAL_ERROR "Error retrieving Clang resource directory with Clang \
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executable. Output:\n ${CLANG_FIND_RESOURCE_DIR_ERROR}")
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endif()
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endif()
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set_property(SOURCE src/utils.cc APPEND PROPERTY COMPILE_DEFINITIONS
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CLANG_RESOURCE_DIRECTORY=R"\(${CLANG_RESOURCE_DIR}\)")
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### Includes
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if(USE_SYSTEM_RAPIDJSON)
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set(RapidJSON_MIN_VERSION "1.1.0")
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find_package(RapidJSON ${RapidJSON_MIN_VERSION} QUIET)
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if(NOT DEFINED RapidJSON_INCLUDE_DIRS AND DEFINED RAPIDJSON_INCLUDE_DIRS)
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set(RapidJSON_INCLUDE_DIRS "${RAPIDJSON_INCLUDE_DIRS}")
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endif()
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endif()
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if(NOT RapidJSON_FOUND)
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if(EXISTS "${CMAKE_SOURCE_DIR}/third_party/rapidjson/include")
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message(STATUS "Using local RapidJSON")
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set(RapidJSON_INCLUDE_DIRS third_party/rapidjson/include)
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else()
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message(STATUS "Plase initialize rapidJSON git submodule as currently installed version is to old:")
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message(STATUS "git submodule init && git submodule update")
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message(FATAL_ERROR "RapidJSON version is likely too old. See https://github.com/MaskRay/ccls/issues/455")
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endif()
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endif()
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target_include_directories(ccls PRIVATE src)
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foreach(include_dir third_party
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${LLVM_INCLUDE_DIRS} ${CLANG_INCLUDE_DIRS} ${RapidJSON_INCLUDE_DIRS})
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get_filename_component(include_dir_realpath ${include_dir} REALPATH)
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# Don't add as SYSTEM if they are in CMAKE_CXX_IMPLICIT_INCLUDE_DIRECTORIES.
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# It would reorder the system search paths and cause issues with libstdc++'s
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# use of #include_next. See https://github.com/MaskRay/ccls/pull/417
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if(NOT "${include_dir_realpath}" IN_LIST CMAKE_CXX_IMPLICIT_INCLUDE_DIRECTORIES)
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target_include_directories(ccls SYSTEM PRIVATE ${include_dir})
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endif()
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endforeach()
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### Install
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install(TARGETS ccls RUNTIME DESTINATION bin)
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### Sources
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target_sources(ccls PRIVATE third_party/siphash.cc)
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target_sources(ccls PRIVATE
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src/clang_tu.cc
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src/config.cc
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src/filesystem.cc
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src/fuzzy_match.cc
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src/main.cc
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src/include_complete.cc
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src/indexer.cc
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src/log.cc
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src/lsp.cc
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src/message_handler.cc
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src/pipeline.cc
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src/platform_posix.cc
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src/platform_win.cc
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src/position.cc
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src/project.cc
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src/query.cc
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src/sema_manager.cc
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src/serializer.cc
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src/test.cc
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src/utils.cc
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src/working_files.cc
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)
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target_sources(ccls PRIVATE
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src/messages/ccls_call.cc
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src/messages/ccls_info.cc
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src/messages/ccls_inheritance.cc
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src/messages/ccls_member.cc
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src/messages/ccls_navigate.cc
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src/messages/ccls_reload.cc
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src/messages/ccls_vars.cc
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src/messages/initialize.cc
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src/messages/textDocument_code.cc
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src/messages/textDocument_completion.cc
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src/messages/textDocument_definition.cc
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src/messages/textDocument_did.cc
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src/messages/textDocument_foldingRange.cc
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src/messages/textDocument_formatting.cc
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src/messages/textDocument_document.cc
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src/messages/textDocument_hover.cc
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src/messages/textDocument_references.cc
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src/messages/textDocument_rename.cc
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src/messages/textDocument_signatureHelp.cc
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src/messages/workspace.cc
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)
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### Obtain CCLS version information from Git
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### This only happens when cmake is re-run!
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if(NOT CCLS_VERSION)
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execute_process(COMMAND git describe --tag --long HEAD
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OUTPUT_VARIABLE CCLS_VERSION
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OUTPUT_STRIP_TRAILING_WHITESPACE
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WORKING_DIRECTORY "${CMAKE_SOURCE_DIR}")
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if(NOT CCLS_VERSION)
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set(CCLS_VERSION "<unknown>")
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endif()
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endif()
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set_property(SOURCE src/main.cc APPEND PROPERTY
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COMPILE_DEFINITIONS CCLS_VERSION=\"${CCLS_VERSION}\")
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set_property(SOURCE src/messages/initialize.cc APPEND PROPERTY
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COMPILE_DEFINITIONS CCLS_VERSION=\"${CCLS_VERSION}\")
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