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cmake_minimum_required(VERSION 3.22)
project(bitcoin-tidy
VERSION
1.0.0
DESCRIPTION "clang-tidy checks for Bitcoin Core"
LANGUAGES CXX)
include(GNUInstallDirs)
set(CMAKE_CXX_STANDARD 20)
set(CMAKE_CXX_STANDARD_REQUIRED True)
set(CMAKE_CXX_EXTENSIONS False)
set(CMAKE_DISABLE_FIND_PACKAGE_CURL ON)
set(CMAKE_DISABLE_FIND_PACKAGE_FFI ON)
set(CMAKE_DISABLE_FIND_PACKAGE_LibEdit ON)
set(CMAKE_DISABLE_FIND_PACKAGE_LibXml2 ON)
set(CMAKE_DISABLE_FIND_PACKAGE_Terminfo ON)
set(CMAKE_DISABLE_FIND_PACKAGE_ZLIB ON)
set(CMAKE_DISABLE_FIND_PACKAGE_zstd ON)
find_package(LLVM REQUIRED CONFIG)
find_program(CLANG_TIDY_EXE NAMES "clang-tidy-${LLVM_VERSION_MAJOR}" "clang-tidy" HINTS ${LLVM_TOOLS_BINARY_DIR})
message(STATUS "Found LLVM ${LLVM_PACKAGE_VERSION}")
message(STATUS "Found clang-tidy: ${CLANG_TIDY_EXE}")
add_library(bitcoin-tidy MODULE bitcoin-tidy.cpp nontrivial-threadlocal.cpp)
target_include_directories(bitcoin-tidy SYSTEM PRIVATE ${LLVM_INCLUDE_DIRS})
# Disable RTTI and exceptions as necessary
if (MSVC)
target_compile_options(bitcoin-tidy PRIVATE /GR-)
else()
target_compile_options(bitcoin-tidy PRIVATE -fno-rtti)
target_compile_options(bitcoin-tidy PRIVATE -fno-exceptions)
endif()
if(CMAKE_HOST_APPLE)
# ld64 expects no undefined symbols by default
target_link_options(bitcoin-tidy PRIVATE -Wl,-flat_namespace)
target_link_options(bitcoin-tidy PRIVATE -Wl,-undefined -Wl,suppress)
endif()
# Add warnings
if (MSVC)
target_compile_options(bitcoin-tidy PRIVATE /W4)
else()
target_compile_options(bitcoin-tidy PRIVATE -Wall)
target_compile_options(bitcoin-tidy PRIVATE -Wextra)
endif()
if(CMAKE_VERSION VERSION_LESS 3.27)
set(CLANG_TIDY_COMMAND "${CLANG_TIDY_EXE}" "--load=${CMAKE_BINARY_DIR}/${CMAKE_SHARED_MODULE_PREFIX}bitcoin-tidy${CMAKE_SHARED_MODULE_SUFFIX}" "-checks=-*,bitcoin-*")
else()
# CLANG_TIDY_COMMAND supports generator expressions as of 3.27
set(CLANG_TIDY_COMMAND "${CLANG_TIDY_EXE}" "--load=$<TARGET_FILE:bitcoin-tidy>" "-checks=-*,bitcoin-*")
endif()
# Create a dummy library that runs clang-tidy tests as a side-effect of building
add_library(bitcoin-tidy-tests OBJECT EXCLUDE_FROM_ALL example_nontrivial-threadlocal.cpp)
add_dependencies(bitcoin-tidy-tests bitcoin-tidy)
set_target_properties(bitcoin-tidy-tests PROPERTIES CXX_CLANG_TIDY "${CLANG_TIDY_COMMAND}")
install(TARGETS bitcoin-tidy LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR})
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