-cmake_minimum_required(VERSION 3.1)

-set(ENTITYX_MAJOR_VERSION 1)

-set(ENTITYX_MINOR_VERSION 1)

-set(ENTITYX_PATCH_VERSION 2)

-set(ENTITYX_VERSION ${ENTITYX_MAJOR_VERSION}.${ENTITYX_MINOR_VERSION}.${ENTITYX_PATCH_VERSION})

-set(CMAKE_CXX_EXTENSIONS OFF)

-

-project(EntityX)

-

-message(STATUS "EntityX version ${ENTITYX_VERSION}")

-

-if(NOT DEFINED CMAKE_MACOSX_RPATH)

- set(CMAKE_MACOSX_RPATH 0)

-endif()

-

-

-include_directories(${CMAKE_CURRENT_LIST_DIR})

-

-set_property(GLOBAL PROPERTY USE_FOLDERS ON)

-

-set(ENTITYX_BUILD_TESTING true CACHE BOOL "Enable building of tests.")

-set(ENTITYX_RUN_BENCHMARKS false CACHE BOOL "Run benchmarks (in conjunction with -DENTITYX_BUILD_TESTING=1).")

-set(ENTITYX_MAX_COMPONENTS 64 CACHE STRING "Set the maximum number of components.")

-set(ENTITYX_DT_TYPE double CACHE STRING "The type used for delta time in EntityX update methods.")

-set(ENTITYX_BUILD_SHARED true CACHE BOOL "Build shared libraries?")

-

-include(${CMAKE_ROOT}/Modules/CheckIncludeFile.cmake)

-include(CheckCXXSourceCompiles)

-

-# Default compiler args

-if (CMAKE_CXX_COMPILER_ID MATCHES "(GNU|.*Clang)")

- set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -pedantic -Werror -Wall -Wextra -Wno-unused-parameter -Wno-error=unused-variable -Wno-error=sign-compare")

- set(CMAKE_CXX_FLAGS_DEBUG "-O0 -g")

- set(CMAKE_CXX_FLAGS_MINSIZEREL "-g -Os -DNDEBUG")

- set(CMAKE_CXX_FLAGS_RELEASE "-g -O2 -DNDEBUG")

- set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "-O2 -g")

-elseif(CMAKE_CXX_COMPILER_ID STREQUAL 'MSVC')

- # /Zi - Produces a program database (PDB) that contains type information and symbolic debugging information for use with the debugger.

- # /FS - Allows multiple cl.exe processes to write to the same .pdb file

- # /DEBUG - Enable debug during linking

- # /Od - Disables optimization

- set(CMAKE_CXX_FLAGS_DEBUG "/Zi /FS /DEBUG /Od /MDd")

- # /Ox - Full optimization

- set(CMAKE_CXX_FLAGS_RELEASE "/Ox -DNDEBUG")

- set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "/Ox /Zi /FS /DEBUG")

-endif()

-

-# if (CMAKE_CXX_COMPILER_ID STREQUAL "Clang")

-# set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Weverything -Wno-c++98-compat -Wno-shadow -Wno-padded -Wno-missing-noreturn -Wno-global-constructors")

-# endif()

-

-# Library installation directory

-if(NOT DEFINED CMAKE_INSTALL_LIBDIR)

- set(CMAKE_INSTALL_LIBDIR lib)

-endif(NOT DEFINED CMAKE_INSTALL_LIBDIR)

-set(libdir ${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_LIBDIR})

-

-set(OLD_CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")

-if ((MAKE_CXX_COMPILER_ID STREQUAL "GNU") OR (CMAKE_CXX_COMPILER_ID STREQUAL "Clang"))

- set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -stdlib=libc++")

-endif()

-check_cxx_source_compiles(

-"

-#include <memory>

-

-int main() {

- std::shared_ptr<int>();

-}

-"

-ENTITYX_HAVE_CXX11_STDLIB

-)

-

-if (NOT ENTITYX_HAVE_CXX11_STDLIB)

- message(STATUS "-- Not using -stdlib=libc++ (test failed to build)")

- set(CMAKE_CXX_FLAGS "${OLD_CMAKE_CXX_FLAGS}")

-else ()

- message(STATUS "-- Using -stdlib=libc++")

-endif ()

-

-

-# Misc features

-check_include_file("stdint.h" HAVE_STDINT_H)

-

-macro(require FEATURE_NAME MESSAGE_STRING)

- if (NOT ${${FEATURE_NAME}})

- message(FATAL_ERROR "${MESSAGE_STRING} required -- ${${FEATURE_NAME}}")

- else()

- message(STATUS "-- ${MESSAGE_STRING} found")

- endif()

-endmacro(require)

-

-macro(create_test TARGET_NAME SOURCE DEPENDENCIES)

- add_executable(${TARGET_NAME} ${SOURCE})

- set_target_properties(${TARGET_NAME} PROPERTIES FOLDER "entityx/tests")

- target_link_libraries(

- ${TARGET_NAME}

- ${DEPENDENCIES}

- ${ARGN}

- )

-

- # Special case for benchmark tests

- if (${TARGET_NAME} MATCHES .*benchmark.*)

- if(ENTITYX_RUN_BENCHMARKS)

- add_test(${TARGET_NAME} ${TARGET_NAME})

- endif()

- else()

- add_test(${TARGET_NAME} ${TARGET_NAME})

- endif()

-endmacro()

-

-if (NOT CMAKE_BUILD_TYPE)

- message(STATUS "-- Defaulting to release build (use -DCMAKE_BUILD_TYPE:STRING=Debug for debug build)")

- set(CMAKE_BUILD_TYPE "Release")

-endif()

-

-message(STATUS "-- Checking misc features")

-require(HAVE_STDINT_H "stdint.h")

-

-# Things to install

-

-

-set(sources entityx/System.cc entityx/Event.cc entityx/Entity.cc entityx/help/Timer.cc entityx/help/Pool.cc)

-

-if (ENTITYX_BUILD_SHARED)

- message(STATUS "-- Building shared libraries (-DENTITYX_BUILD_SHARED=0 to only build static libraries)")

- add_library(entityx SHARED ${sources})

-

- set_target_properties(entityx PROPERTIES

- OUTPUT_NAME entityx

- DEBUG_POSTFIX -d

- VERSION ${ENTITYX_VERSION}

- SOVERSION ${ENTITYX_MAJOR_VERSION}

- FOLDER entityx)

- set(install_libs entityx)

- set_property(TARGET entityx APPEND PROPERTY INTERFACE_INCLUDE_DIRECTORIES

- $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>)

-else()

- add_library(entityx STATIC ${sources})

- set_target_properties(entityx PROPERTIES DEBUG_POSTFIX -d FOLDER entityx)

- set(install_libs entityx)

- set_property(TARGET entityx APPEND PROPERTY INTERFACE_INCLUDE_DIRECTORIES

- $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>)

-endif (ENTITYX_BUILD_SHARED)

-

-# Make sure C++11 features are available

-target_compile_features(entityx PUBLIC cxx_auto_type)

-target_compile_features(entityx PUBLIC cxx_nullptr)

-target_compile_features(entityx PUBLIC cxx_static_assert)

-target_compile_features(entityx PUBLIC cxx_decltype)

-target_compile_features(entityx PUBLIC cxx_constexpr)

-target_compile_features(entityx PUBLIC cxx_sizeof_member)

-target_compile_features(entityx PUBLIC cxx_variadic_templates)

-target_compile_features(entityx PUBLIC cxx_rvalue_references)

-target_compile_features(entityx PUBLIC cxx_long_long_type)

-target_compile_features(entityx PUBLIC cxx_lambdas)

-target_compile_features(entityx PUBLIC cxx_func_identifier)

-

-if (ENTITYX_BUILD_TESTING)

- enable_testing()

- create_test(pool_test entityx/help/Pool_test.cc ${install_libs})

- create_test(entity_test entityx/Entity_test.cc ${install_libs})

- create_test(event_test entityx/Event_test.cc ${install_libs})

- create_test(system_test entityx/System_test.cc ${install_libs})

- create_test(tags_component_test entityx/tags/TagsComponent_test.cc ${install_libs})

- create_test(dependencies_test entityx/deps/Dependencies_test.cc ${install_libs})

- create_test(benchmarks_test entityx/Benchmarks_test.cc ${install_libs})

- if (ENTITYX_RUN_BENCHMARKS)

- message(STATUS "-- Running benchmarks")

- else ()

- message(STATUS "-- Not running benchmarks (use -DENTITYX_RUN_BENCHMARKS=1 to enable)")

- endif ()

-endif (ENTITYX_BUILD_TESTING)

-

-

-configure_file(

- ${CMAKE_CURRENT_SOURCE_DIR}/entityx/config.h.in

- ${CMAKE_CURRENT_SOURCE_DIR}/entityx/config.h

-)

-

-

-if (NOT WINDOWS OR CYGWIN)

- set(entityx_libs -lentityx)

-

- configure_file(

- ${CMAKE_CURRENT_SOURCE_DIR}/entityx.pc.in

- ${CMAKE_CURRENT_BINARY_DIR}/entityx.pc

- )

-

- install(

- FILES ${CMAKE_CURRENT_BINARY_DIR}/entityx.pc

- DESTINATION "${libdir}/pkgconfig"

- )

-endif()

-

-install(

- DIRECTORY "entityx"

- DESTINATION "include"

- FILES_MATCHING PATTERN "*.h"

- )

-

-install(

- TARGETS ${install_libs}

- LIBRARY DESTINATION "${libdir}"

- ARCHIVE DESTINATION "${libdir}"

- RUNTIME DESTINATION "bin"

- )