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101 lines
4.0 KiB
101 lines
4.0 KiB
cmake_minimum_required(VERSION 3.12)
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find_program(CCACHE_FOUND ccache)
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if (CCACHE_FOUND)
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set_property(GLOBAL PROPERTY RULE_LAUNCH_COMPILE ccache)
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set_property(GLOBAL PROPERTY RULE_LAUNCH_LINK ccache)
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endif (CCACHE_FOUND)
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set(CMAKE_TOOLCHAIN_FILE
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"${CMAKE_SOURCE_DIR}/cmake/toolchain/cxx17.cmake"
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CACHE
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FILEPATH
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"Default toolchain"
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)
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include("cmake/Hunter/init.cmake")
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cmake_policy(SET CMP0048 NEW)
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project(libp2p VERSION 1.0.0 LANGUAGES C CXX)
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include(cmake/print.cmake)
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print("C flags: ${CMAKE_C_FLAGS}")
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print("CXX flags: ${CMAKE_CXX_FLAGS}")
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print("Using CMAKE_TOOLCHAIN_FILE=${CMAKE_TOOLCHAIN_FILE}")
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include(CheckCXXCompilerFlag)
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include(cmake/install.cmake)
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include(cmake/libp2p_add_library.cmake)
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include(cmake/dependencies.cmake)
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include(cmake/functions.cmake)
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include(cmake/san.cmake)
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set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
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option(TESTING "Build tests" ON)
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option(CLANG_FORMAT "Enable clang-format target" ON)
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option(CLANG_TIDY "Enable clang-tidy checks during compilation" OFF)
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option(COVERAGE "Enable generation of coverage info" OFF)
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# sanitizers will be enabled only for libp2p, and will be disabled for dependencies
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option(ASAN "Enable address sanitizer" OFF)
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option(LSAN "Enable leak sanitizer" OFF)
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option(MSAN "Enable memory sanitizer" OFF)
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option(TSAN "Enable thread sanitizer" OFF)
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option(UBSAN "Enable UB sanitizer" OFF)
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option(EXPOSE_MOCKS "Make mocks header files visible for child projects" OFF)
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## setup compilation flags
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if ("${CMAKE_CXX_COMPILER_ID}" MATCHES "^(AppleClang|Clang|GNU)$")
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# enable those flags
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add_flag(-Wall)
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add_flag(-Wextra)
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add_flag(-Woverloaded-virtual) # warn if you overload (not override) a virtual function
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add_flag(-Wformat=2) # warn on security issues around functions that format output (ie printf)
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add_flag(-Wmisleading-indentation) # (only in GCC >= 6.0) warn if indentation implies blocks where blocks do not exist
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add_flag(-Wduplicated-cond) # (only in GCC >= 6.0) warn if if / else chain has duplicated conditions
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add_flag(-Wduplicated-branches) # (only in GCC >= 7.0) warn if if / else branches have duplicated code
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add_flag(-Wnull-dereference) # (only in GCC >= 6.0) warn if a null dereference is detected
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add_flag(-Wdouble-promotion) # (GCC >= 4.6, Clang >= 3.8) warn if float is implicit promoted to double
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add_flag(-Wsign-compare)
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add_flag(-Wtype-limits) # size_t - size_t >= 0 -> always true
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# disable those flags
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add_flag(-Wno-unused-command-line-argument) # clang: warning: argument unused during compilation: '--coverage' [-Wunused-command-line-argument]
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add_flag(-Wno-unused-parameter) # prints too many useless warnings
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add_flag(-Wno-format-nonliteral) # prints way too many warnings from spdlog
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add_flag(-Wno-gnu-zero-variadic-macro-arguments) # https://stackoverflow.com/questions/21266380/is-the-gnu-zero-variadic-macro-arguments-safe-to-ignore
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# promote to errors
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add_flag(-Werror-unused-lambda-capture) # error if lambda capture is unused
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add_flag(-Werror-return-type) # warning: control reaches end of non-void function [-Wreturn-type]
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add_flag(-Werror-non-virtual-dtor) # warn the user if a class with virtual functions has a non-virtual destructor. This helps catch hard to track down memory errors
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add_flag(-Werror-sign-compare) # warn the user if they compare a signed and unsigned numbers
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add_flag(-Werror-reorder) # field '$1' will be initialized after field '$2'
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elseif ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "MSVC")
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# using Visual Studio C++
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# TODO(warchant): add flags https://github.com/lefticus/cppbestpractices/blob/master/02-Use_the_Tools_Available.md#msvc
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endif ()
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if (COVERAGE)
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include(cmake/coverage.cmake)
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endif ()
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if (CLANG_TIDY)
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include(cmake/clang-tidy.cmake)
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endif ()
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if (CLANG_FORMAT)
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include(cmake/clang-format.cmake)
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endif ()
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include_directories(
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SYSTEM
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# project includes
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${PROJECT_SOURCE_DIR}/include
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)
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add_subdirectory(src)
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add_subdirectory(example)
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if(TESTING)
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enable_testing()
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add_subdirectory(test)
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endif()
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