ccls/CMakeLists.txt
2019-10-23 21:56:50 -07:00

247 lines
8.4 KiB
CMake

cmake_minimum_required(VERSION 3.1)
project(ccls LANGUAGES CXX)
list(APPEND CMAKE_MODULE_PATH ${CMAKE_SOURCE_DIR}/cmake/)
include(DefaultCMakeBuildType)
include(DownloadAndExtractLLVM)
set(CLANG_VERSION 6.0.0 CACHE STRING "Downloaded Clang version (6.0.0)")
option(SYSTEM_CLANG "Use system Clang instead of downloading Clang" OFF)
option(ASAN "Compile with address sanitizers" OFF)
option(CLANG_CXX "Build with Clang C++ api required by some ccls \
features (warning: not available in LLVM Windows downloads)" OFF)
# Sources for the executable are specified at end of CMakeLists.txt
add_executable(ccls "")
### Compile options
# CMake default compile flags:
# MSVC + Clang(Windows):
# debug: /MDd /Zi /Ob0 /Od /RTC1
# release: /MD /O2 /Ob2 /DNDEBUG
# GCC + Clang(Linux):
# debug: -g
# release: -O3 -DNDEBUG
# Enable C++17 (Required)
set_property(TARGET ccls PROPERTY CXX_STANDARD 17)
set_property(TARGET ccls PROPERTY CXX_STANDARD_REQUIRED ON)
# Disable gnu extensions except for Cygwin which needs them to build properly
if(NOT CYGWIN)
set_property(TARGET ccls PROPERTY CXX_EXTENSIONS OFF)
endif()
if(${CMAKE_SYSTEM_NAME} STREQUAL Windows)
# Common MSVC/Clang(Windows) options
target_compile_options(ccls PRIVATE
/nologo
/EHsc
/W3 # roughly -Wall
/wd4996 # disable loguru unsafe warnings
/wd4722 # ignores warning C4722
# (destructor never returns) in loguru
/wd4267 # ignores warning C4267
# (conversion from 'size_t' to 'type'),
# roughly -Wno-sign-compare
/wd4800
$<$<CONFIG:Debug>:/FS>
)
else()
# Common GCC/Clang(Linux) options
target_compile_options(ccls PRIVATE
-Wall
-Wno-sign-compare
)
if(${CMAKE_CXX_COMPILER_ID} STREQUAL GNU)
target_compile_options(ccls PRIVATE -Wno-return-type -Wno-unused-result)
endif()
if(${CMAKE_CXX_COMPILER_ID} STREQUAL Clang)
target_compile_options(ccls PRIVATE
$<$<CONFIG:Debug>:-fno-limit-debug-info>)
endif()
if(CLANG_CXX)
# -Wno-comment: include/clang/Format/Format.h error: multi-line comment
# -fno-rtti: # Without -fno-rtti, some Clang C++ functions may report
# `undefined references to typeinfo`
target_compile_options(ccls PRIVATE -Wno-comment -fno-rtti)
endif()
if(ASAN)
target_compile_options(ccls PRIVATE -fsanitize=address,undefined)
# target_link_libraries also takes linker flags
target_link_libraries(ccls PRIVATE -fsanitize=address,undefined)
endif()
endif()
### Download Clang if required
if(NOT SYSTEM_CLANG)
download_and_extract_llvm(${CLANG_VERSION})
# Used by FindClang
set(CLANG_ROOT ${DOWNLOADED_CLANG_DIR})
endif()
### Libraries
# See cmake/FindClang.cmake
find_package(Clang REQUIRED)
target_link_libraries(ccls PRIVATE Clang::Clang)
# Enable threading support
set(THREADS_PREFER_PTHREAD_FLAG ON)
find_package(Threads REQUIRED)
target_link_libraries(ccls PRIVATE Threads::Threads)
if(${CMAKE_SYSTEM_NAME} MATCHES "Windows")
else()
target_link_libraries(ccls PRIVATE -lstdc++fs)
endif()
if(${CMAKE_SYSTEM_NAME} STREQUAL Linux)
# loguru calls dladdr
target_link_libraries(ccls PRIVATE ${CMAKE_DL_LIBS})
elseif(${CMAKE_SYSTEM_NAME} STREQUAL FreeBSD)
# loguru::stacktrace_as_stdstring calls backtrace_symbols
# sparsepp/spp_memory.h uses libkvm
# src/platform_posix.cc uses libthr
find_package(Backtrace REQUIRED)
target_link_libraries(ccls PRIVATE ${Backtrace_LIBRARIES} kvm thr)
elseif(${CMAKE_SYSTEM_NAME} STREQUAL Windows)
# sparsepp/spp_memory.h uses LibPsapi
target_link_libraries(ccls PRIVATE Psapi)
endif()
if(CLANG_CXX)
# Clang C++ api uses ncurses
find_package(Curses REQUIRED)
target_link_libraries(ccls PRIVATE ${CURSES_LIBRARIES})
endif()
### Definitions
target_compile_definitions(ccls PRIVATE
LOGURU_WITH_STREAMS=1
LOGURU_FILENAME_WIDTH=18
LOGURU_THREADNAME_WIDTH=13
DEFAULT_RESOURCE_DIRECTORY="${Clang_RESOURCE_DIR}")
if(CLANG_CXX)
target_compile_definitions(ccls PRIVATE USE_CLANG_CXX=1 LOGURU_RTTI=0)
endif()
### Includes
target_include_directories(ccls PRIVATE
src
third_party
third_party/rapidjson/include
third_party/sparsepp
third_party/loguru
third_party/doctest
third_party/msgpack-c/include)
### Install
install(TARGETS ccls RUNTIME DESTINATION bin)
# We don't need to install libclang on Windows if we are using downloaded LLVM
# since libclang is distributed as a static library on Windows
if(NOT SYSTEM_CLANG AND NOT ${CMAKE_SYSTEM_NAME} STREQUAL Windows)
if(${CMAKE_SYSTEM_NAME} MATCHES Linux|FreeBSD)
set_property(TARGET ccls APPEND PROPERTY
INSTALL_RPATH $ORIGIN/../lib)
elseif(${CMAKE_SYSTEM_NAME} STREQUAL Darwin)
set_property(TARGET ccls APPEND PROPERTY
INSTALL_RPATH @loader_path/../lib)
endif()
file(GLOB LIBCLANG_PLUS_SYMLINKS
${DOWNLOADED_CLANG_DIR}/lib/libclang.[so,dylib]*)
install(FILES ${LIBCLANG_PLUS_SYMLINKS} DESTINATION lib)
endif()
### Sources
target_sources(ccls PRIVATE third_party/siphash.cc)
target_sources(ccls PRIVATE
src/cache_manager.cc
src/clang_complete.cc
src/clang_cursor.cc
src/clang_indexer.cc
src/clang_translation_unit.cc
src/clang_utils.cc
src/command_line.cc
src/config.cc
src/diagnostics_engine.cc
src/file_consumer.cc
src/file_contents.cc
src/fuzzy_match.cc
src/iindexer.cc
src/import_manager.cc
src/import_pipeline.cc
src/include_complete.cc
src/method.cc
src/lex_utils.cc
src/lsp.cc
src/match.cc
src/message_handler.cc
src/platform_posix.cc
src/platform_win.cc
src/port.cc
src/position.cc
src/project.cc
src/query_utils.cc
src/query.cc
src/queue_manager.cc
src/serializer.cc
src/standard_includes.cc
src/test.cc
src/third_party_impl.cc
src/timer.cc
src/timestamp_manager.cc
src/type_printer.cc
src/utils.cc
src/working_files.cc)
target_sources(ccls PRIVATE
src/messages/ccls_base.cc
src/messages/ccls_call_hierarchy.cc
src/messages/ccls_callers.cc
src/messages/ccls_derived.cc
src/messages/ccls_file_info.cc
src/messages/ccls_freshen_index.cc
src/messages/ccls_index_file.cc
src/messages/ccls_inheritance_hierarchy.cc
src/messages/ccls_member_hierarchy.cc
src/messages/ccls_random.cc
src/messages/ccls_vars.cc
src/messages/exit.cc
src/messages/initialize.cc
src/messages/shutdown.cc
src/messages/text_document_code_lens.cc
src/messages/text_document_completion.cc
src/messages/text_document_definition.cc
src/messages/text_document_did_change.cc
src/messages/text_document_did_close.cc
src/messages/text_document_did_open.cc
src/messages/text_document_did_save.cc
src/messages/text_document_document_highlight.cc
src/messages/text_document_document_symbol.cc
src/messages/text_document_hover.cc
src/messages/text_document_references.cc
src/messages/text_document_rename.cc
src/messages/text_document_signature_help.cc
src/messages/text_document_type_definition.cc
src/messages/workspace_did_change_configuration.cc
src/messages/workspace_did_change_watched_files.cc
src/messages/workspace_symbol.cc
)