cmake_minimum_required(VERSION 3.16) include(CheckIPOSupported) include(CPM.cmake) project(CreatureLib) # Enable all warnings, and make them error when occurring. add_compile_options(-Wall -Wextra -Werror -pedantic-errors) # We like new stuff, so set the c++ standard to c++20. set(CMAKE_CXX_STANDARD 20) option(WINDOWS "Whether the build target is Windows or not." OFF) option(SHARED "Whether we should build a shared library, instead of a static one." OFF) option(CREATURELIB_TESTS "Whether the test executable should be build as well." OFF) option(SANITIZER_TESTS "Whether the test executable should be built using address sanitizer." ON) option(STATICC "Whether gcc and stdc++ should be linked statically to the library." OFF) set(LEVEL_SIZE "8" CACHE STRING "Number of bits to store the level as. Currently reserved, and can only be 8") execute_process(COMMAND mkdir -p ${CMAKE_CURRENT_BINARY_DIR}/include) CPMAddPackage( NAME Arbutils GIT_REPOSITORY https://git.p-epsilon.com/Deukhoofd/Arbutils.git GIT_TAG master OPTIONS "SHARED=${SHARED}" "WINDOWS=${WINDOWS}" "STATICC=${STATICC}" ) execute_process(COMMAND ln -sf ${Arbutils_SOURCE_DIR}/src ${CMAKE_CURRENT_BINARY_DIR}/include/Arbutils) include_directories(${CMAKE_CURRENT_BINARY_DIR}/include) if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU") add_compile_options(-fconcepts) endif () if (CMAKE_BUILD_TYPE MATCHES Release) if (CMAKE_CXX_COMPILER_ID STREQUAL "Clang") # Include debug symbols in all linux builds message("Including debug symbols") add_compile_options(-g -gline-tables-only) endif () # FIXME: Add debug symbols for GCC endif () set(THREADS_PREFER_PTHREAD_FLAG ON) find_package(Threads REQUIRED) # Set whether we want a static or shared library. set(LIBTYPE STATIC) if (SHARED) set(LIBTYPE SHARED) endif (SHARED) if (CMAKE_CXX_COMPILER_ID STREQUAL "Clang") add_link_options(-fuse-ld=lld) # Only warn for unknown sanitizers. This error is not major enough to error on. add_compile_options(-Wno-error=unknown-sanitizers) # Ignore pedantic nullability extension warning, as we only use this for clang specifically add_compile_options(-Wno-nullability-extension) # As far as I can tell this is an invalid pedantic warning since C++ 20. Empty variadic macro arguments is completely legal. add_compile_options(-Wno-gnu-zero-variadic-macro-arguments) endif () if (LEVEL_SIZE STREQUAL "8") add_definitions(-DLEVEL_U8) message(STATUS "Using level size of 8") elseif (LEVEL_SIZE STREQUAL "16") add_definitions(-DLEVEL_U16) message(STATUS "Using level size of 16") elseif (LEVEL_SIZE STREQUAL "32") add_definitions(-DLEVEL_U32) message(STATUS "Using level size of 32") elseif (LEVEL_SIZE STREQUAL "64") add_definitions(-DLEVEL_U64) message(STATUS "Using level size of 64") else () message(FATAL_ERROR, "Invalid level size was given.") endif () file(GLOB_RECURSE LIBRARY_SRC_FILES "src/*.cpp" "src/*.hpp" "CInterface/*.cpp" "CInterface/*.hpp") add_library(CreatureLib ${LIBTYPE} ${LIBRARY_SRC_FILES}) # If interprocedural optimization is available, apply it check_ipo_supported(RESULT IPO_SUPPORTED) if (IPO_SUPPORTED) message(STATUS "IPO / LTO enabled") set_property(TARGET CreatureLib PROPERTY INTERPROCEDURAL_OPTIMIZATION TRUE) endif () if (WINDOWS) MESSAGE(WARNING, "Using Windows Build.") # Add a definition for the compiler, so we can use it in C++ as well. ADD_DEFINITIONS(-D WINDOWS=1) # -m64: Build a 64 bit library add_compile_options(-m64) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wl,-allow-multiple-definition") if (SHARED) set_target_properties(CreatureLib PROPERTIES SUFFIX ".dll") endif (SHARED) endif (WINDOWS) # Set up links to all relevant libraries. SET(_LIBRARYLINKS Arbutils) if (NOT WINDOWS) set(_LIBRARYLINKS ${_LIBRARYLINKS} -ldw) endif () # If we need to link the C libraries statically, do so. if (STATICC) message(STATUS "Linking C statically.") set(CMAKE_SHARED_LINKER_FLAGS "-Wl,--as-needed") SET(_LIBRARYLINKS ${_LIBRARYLINKS} -static-libgcc -static-libstdc++) endif () # And link the libraries together target_link_libraries(CreatureLib PUBLIC ${_LIBRARYLINKS}) if (CREATURELIB_TESTS) CPMAddPackage( NAME doctest GITHUB_REPOSITORY doctest/doctest GIT_TAG v2.4.8 DOWNLOAD_ONLY YES ) # Create Test executable file(GLOB_RECURSE TEST_FILES "tests/*.cpp" "tests/*.hpp") add_executable(CreatureLibTests ${TEST_FILES}) target_link_libraries(CreatureLibTests PUBLIC CreatureLib Arbutils) target_include_directories(CreatureLibTests PUBLIC ${doctest_SOURCE_DIR}/doctest) # Add a definition for the test library target_compile_definitions(CreatureLibTests PRIVATE TESTS_BUILD) if (SANITIZER_TESTS AND NOT WINDOWS) target_compile_options(CreatureLib PRIVATE -fsanitize=address,undefined,leak,integer,nullability -fno-sanitize-recover=all) target_compile_options(CreatureLibTests PRIVATE -fsanitize=address,undefined,leak,integer,nullability -fno-sanitize-recover=all) target_link_options(CreatureLibTests PRIVATE -fsanitize=address,undefined,leak,integer,nullability -fno-sanitize-recover=all) endif () endif ()