CMakeLists.txt

# (c) 2025 Mario "Neo" Sieg. <mario.sieg.64@gmail.com>

cmake_minimum_required(VERSION 3.18)

project(magnetron LANGUAGES C)

message("Configuring magnetron project for ${CMAKE_SYSTEM_PROCESSOR}...")

set(CMAKE_C_STANDARD 99) # Use C99 standard
set(LIBRARY_OUTPUT_PATH "${CMAKE_BINARY_DIR}")
set(EXECUTABLE_OUTPUT_PATH "${CMAKE_BINARY_DIR}")
set(CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS ON)

option(MAGNETRON_BUILD_SHARED "Build shared library" ON)                    # Build shared library
option(MAGNETRON_BUILD_TESTS "Build tests" ON)                              # Build tests
option(MAGNETRON_BUILD_BENCHMARKS "Build benchmarks" ON)                    # Build benchmarks
option(MAGNETRON_BUILD_FUZZERS "Build fuzzers" OFF)                         # (Experimental) Build fuzzers
option(MAGNETRON_DEBUG "Enable debug mode" OFF)                             # Enable debug assertions, bound checks and other debug features. (Always enabled in Debug builds)
option(MAGNETRON_CPU_APPROX_MATH "Trade precision for performance" ON)      # (CPU only) Enable SIMD math function approximations. Greatly increases performance. Try disabling if you encounter numerical instability. Does NOT enable -ffast-math or similar compiler flags.
option(MAGNETRON_ENABLE_CUDA "Enable CUDA support" ON)                      # Enable CUDA support
option(MAGNETRON_ENABLE_ACCELERATE "Use Apple's Accelerate framework" ON)   # Use Apple's Accelerate framework for optimized math functions (only on Apple platforms)

set(MAGNETRON_CUDA_COMPILER "/usr/local/cuda-12.6/bin/nvcc" CACHE STRING "Path to the CUDA compiler") # Set to your CUDA compiler path
set(CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS ON)

if (${MAGNETRON_BUILD_TESTS})
    enable_testing()
endif()

if (${MAGNETRON_BUILD_TESTS} OR ${MAGNETRON_BUILD_BENCHMARKS} OR ${MAGNETRON_BUILD_FUZZERS})
    enable_language(CXX)
    set(CMAKE_CXX_STANDARD 20)
    set(CMAKE_CXX_STANDARD_REQUIRED ON)
endif()

include(cmake/arch.cmake)
include(cmake/lib.cmake)
include(cmake/compiler_config.cmake)

if (${MAGNETRON_ENABLE_CUDA})
    include(cmake/cuda.cmake)
endif()

if (${MAGNETRON_ENABLE_ACCELERATE} AND APPLE)
    include(cmake/accelerate.cmake)
endif()

if (${MAGNETRON_BUILD_TESTS})
    add_subdirectory(test)
endif()

if (${MAGNETRON_BUILD_FUZZERS})
    add_subdirectory(fuzzer)
endif()

if (${MAGNETRON_BUILD_BENCHMARKS})
    add_subdirectory(benchmark)
endif()