92 lines
4.3 KiB
CMake
92 lines
4.3 KiB
CMake
|
# Clang toolchain file for native builds
|
||
|
|
# This file should be used with cmake -DCMAKE_TOOLCHAIN_FILE=cmake/clang-native.cmake
|
||
|
|
|
||
|
|
# Disable cross-compilation
|
||
|
|
set(CMAKE_CROSSCOMPILING FALSE)
|
||
|
|
|
||
|
|
# Target OS (native)
|
||
|
|
set(CMAKE_SYSTEM_NAME Linux)
|
||
|
|
set(CMAKE_SYSTEM_PROCESSOR ${CMAKE_HOST_SYSTEM_PROCESSOR})
|
||
|
|
|
||
|
|
# Specify the Clang compilers
|
||
|
|
set(CMAKE_C_COMPILER clang)
|
||
|
|
set(CMAKE_CXX_COMPILER clang++)
|
||
|
|
|
||
|
|
# Set Clang-specific compiler flags
|
||
|
|
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wextra -pedantic")
|
||
|
|
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wextra -pedantic")
|
||
|
|
|
||
|
|
# Enable C++20 standard (as specified in main CMakeLists.txt)
|
||
|
|
set(CMAKE_CXX_STANDARD 20)
|
||
|
|
set(CMAKE_CXX_STANDARD_REQUIRED ON)
|
||
|
|
|
||
|
|
# Set Clang-specific optimization flags
|
||
|
|
set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -O3 -DNDEBUG")
|
||
|
|
set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -O3 -DNDEBUG")
|
||
|
|
|
||
|
|
# Set debug flags
|
||
|
|
set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -g -O0")
|
||
|
|
set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -g -O0")
|
||
|
|
|
||
|
|
# Enable address sanitizer in debug builds (optional)
|
||
|
|
# Uncomment the following lines if you want to enable address sanitizer
|
||
|
|
# set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -fsanitize=address -fno-omit-frame-pointer")
|
||
|
|
# set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -fsanitize=address -fno-omit-frame-pointer")
|
||
|
|
# set(CMAKE_EXE_LINKER_FLAGS_DEBUG "${CMAKE_EXE_LINKER_FLAGS_DEBUG} -fsanitize=address")
|
||
|
|
# set(CMAKE_SHARED_LINKER_FLAGS_DEBUG "${CMAKE_SHARED_LINKER_FLAGS_DEBUG} -fsanitize=address")
|
||
|
|
|
||
|
|
# Enable undefined behavior sanitizer in debug builds (optional)
|
||
|
|
# Uncomment the following lines if you want to enable UBSan
|
||
|
|
# set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -fsanitize=undefined -fno-omit-frame-pointer")
|
||
|
|
# set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -fsanitize=undefined -fno-omit-frame-pointer")
|
||
|
|
# set(CMAKE_EXE_LINKER_FLAGS_DEBUG "${CMAKE_EXE_LINKER_FLAGS_DEBUG} -fsanitize=undefined")
|
||
|
|
# set(CMAKE_SHARED_LINKER_FLAGS_DEBUG "${CMAKE_SHARED_LINKER_FLAGS_DEBUG} -fsanitize=undefined")
|
||
|
|
|
||
|
|
# Set native search paths (use system defaults)
|
||
|
|
set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM BOTH)
|
||
|
|
set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY BOTH)
|
||
|
|
set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE BOTH)
|
||
|
|
set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE BOTH)
|
||
|
|
|
||
|
|
# Clang-specific linker flags
|
||
|
|
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -fuse-ld=lld")
|
||
|
|
set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -fuse-ld=lld")
|
||
|
|
|
||
|
|
# Enable link-time optimization in release builds (optional)
|
||
|
|
# Uncomment the following lines if you want to enable LTO
|
||
|
|
# set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -flto")
|
||
|
|
# set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -flto")
|
||
|
|
# set(CMAKE_EXE_LINKER_FLAGS_RELEASE "${CMAKE_EXE_LINKER_FLAGS_RELEASE} -flto")
|
||
|
|
# set(CMAKE_SHARED_LINKER_FLAGS_RELEASE "${CMAKE_SHARED_LINKER_FLAGS_RELEASE} -flto")
|
||
|
|
|
||
|
|
# Set Clang-specific C++ features
|
||
|
|
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -stdlib=libc++")
|
||
|
|
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -stdlib=libc++")
|
||
|
|
set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -stdlib=libc++")
|
||
|
|
|
||
|
|
# Alternative: Use libstdc++ instead of libc++ (uncomment if preferred)
|
||
|
|
# set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -stdlib=libstdc++")
|
||
|
|
# set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -stdlib=libstdc++")
|
||
|
|
# set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -stdlib=libstdc++")
|
||
|
|
|
||
|
|
# Set compiler-specific features
|
||
|
|
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fcolor-diagnostics")
|
||
|
|
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fcolor-diagnostics")
|
||
|
|
|
||
|
|
# Enable all warnings and treat them as errors in debug builds (optional)
|
||
|
|
# Uncomment the following lines if you want to treat warnings as errors
|
||
|
|
# set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -Werror")
|
||
|
|
# set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -Werror")
|
||
|
|
|
||
|
|
# Set Clang-specific optimization flags
|
||
|
|
set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -march=native -mtune=native")
|
||
|
|
set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -march=native -mtune=native")
|
||
|
|
|
||
|
|
# Print configuration information
|
||
|
|
message(STATUS "Clang toolchain configuration:")
|
||
|
|
message(STATUS " C Compiler: ${CMAKE_C_COMPILER}")
|
||
|
|
message(STATUS " CXX Compiler: ${CMAKE_CXX_COMPILER}")
|
||
|
|
message(STATUS " CXX Standard: ${CMAKE_CXX_STANDARD}")
|
||
|
|
message(STATUS " Build Type: ${CMAKE_BUILD_TYPE}")
|
||
|
|
message(STATUS " Cross-compiling: ${CMAKE_CROSSCOMPILING}")
|