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