CMakeLists.txt

# Fizzy: A fast WebAssembly interpreter
# Copyright 2019-2020 The Fizzy Authors.
# SPDX-License-Identifier: Apache-2.0

cmake_minimum_required(VERSION 3.15)

cmake_policy(SET CMP0077 NEW)
set(CMAKE_FIND_PACKAGE_PREFER_CONFIG TRUE)

include(cmake/cable.cmake)
include(CableBuildType)
include(CableCompilerSettings)
include(CMakeDependentOption)

option(FIZZY_TESTING "Enable Fizzy internal tests" OFF)
cmake_dependent_option(HUNTER_ENABLED "Enable Hunter package manager" ON
    "FIZZY_TESTING" OFF)

cmake_dependent_option(FIZZY_FUZZING "Enable Fizzy fuzzing" OFF "FIZZY_TESTING" OFF)

if(HUNTER_ENABLED)
    include(cmake/Hunter/init.cmake)
endif()

cable_set_build_type(DEFAULT Release CONFIGURATION_TYPES Debug;Release;Coverage)

project(fizzy LANGUAGES CXX C)
set(PROJECT_VERSION 0.1.0)

include(TestBigEndian)
test_big_endian(is_big_endian)
if(is_big_endian)
    message(FATAL_ERROR "${PROJECT_NAME} currently does not support big endian systems.")
endif()

cable_configure_compiler()

# An option to enable assertions in non-Debug build types.
# Disabling assertions in Debug build type has no effect (assertions are still enabled).
option(ENABLE_ASSERTIONS "Enable NDEBUG based assertions" OFF)
if(ENABLE_ASSERTIONS)
    foreach(flags_var_to_scrub
        CMAKE_CXX_FLAGS_RELEASE
        CMAKE_CXX_FLAGS_RELWITHDEBINFO
        CMAKE_CXX_FLAGS_MINSIZEREL
        CMAKE_C_FLAGS_RELEASE
        CMAKE_C_FLAGS_RELWITHDEBINFO
        CMAKE_C_FLAGS_MINSIZEREL)
        string(REGEX REPLACE "(^| )[/-]D *NDEBUG($| )" " "
            "${flags_var_to_scrub}" "${${flags_var_to_scrub}}")
    endforeach()
endif()

if(FIZZY_FUZZING)
    set(fuzzing_flags -fsanitize=fuzzer-no-link,address,undefined,nullability,implicit-unsigned-integer-truncation,implicit-signed-integer-truncation)
    add_compile_options(${fuzzing_flags})
    add_link_options(${fuzzing_flags})
endif()

set(include_dir ${PROJECT_SOURCE_DIR}/include)  # Public include directory.

set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR}/lib)
set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR}/lib)
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR}/bin)

add_subdirectory(lib)

if(FIZZY_TESTING)
    enable_testing()  # Enable CTest. Must be done in main CMakeLists.txt.
    add_subdirectory(test)
endif()