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cmake_minimum_required(VERSION 2.8)
project(EntityX)
include_directories(${CMAKE_CURRENT_LIST_DIR})
set(ENTITYX_BUILD_TESTING false CACHE BOOL "Enable building of tests.")
set(ENTITYX_RUN_BENCHMARKS false CACHE BOOL "Run benchmarks (in conjunction with -DENTITYX_BUILD_TESTING=1).")
set(ENTITYX_MAX_COMPONENTS 64 CACHE STRING "Set the maximum number of components.")
set(ENTITYX_USE_CPP11_STDLIB false CACHE BOOL "Use the C++11 stdlib (-stdlib=libc++).")
# Check for which shared_ptr implementation to use.
set(ENTITYX_USE_STD_SHARED_PTR false CACHE BOOL "Use std::shared_ptr<T> rather than boost::shared_ptr<T>?")
set(ENTITYX_BUILD_SHARED true CACHE BOOL "Build shared libraries?")
include(${CMAKE_ROOT}/Modules/CheckIncludeFile.cmake)
include(CheckCXXSourceCompiles)
# Default compiler args
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -pedantic -Werror -Wall -Wextra -Wno-unused-parameter -Wno-error=unused-variable -Wno-error=sign-compare -std=c++11")
set(CMAKE_CXX_FLAGS_DEBUG "-O0 -g")
set(CMAKE_CXX_FLAGS_MINSIZEREL "-Os -DNDEBUG")
set(CMAKE_CXX_FLAGS_RELEASE "-O2 -DNDEBUG")
set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "-O2 -g")
# C++11 feature checks
include(CheckCXX11Features.cmake)
# 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("-- ${MESSAGE_STRING} found")
endif()
endmacro(require)
macro(create_test TARGET_NAME SOURCE)
add_executable(${TARGET_NAME} ${SOURCE})
target_link_libraries(
${TARGET_NAME}
entityx
gtest
gtest_main
${Boost_SYSTEM_LIBRARY}
${Boost_TIMER_LIBRARY}
${Boost_SIGNALS_LIBRARY}
${ARGN}
)
add_test(${TARGET_NAME} ${TARGET_NAME})
endmacro()
if (NOT CMAKE_BUILD_TYPE)
message("-- Defaulting to release build (use -DCMAKE_BUILD_TYPE:STRING=Debug for debug build)")
set(CMAKE_BUILD_TYPE "Release")
endif()
message("-- Checking C++ features")
require(HAS_CXX11_AUTO "C++11 auto support")
require(HAS_CXX11_NULLPTR "C++11 nullptr support")
require(HAS_CXX11_RVALUE_REFERENCES "C++11 rvalue reference support")
#require(HAS_CXX11_CSTDINT_H "C++11 stdint support")
require(HAS_CXX11_VARIADIC_TEMPLATES "C++11 variadic templates")
require(HAS_CXX11_RVALUE_REFERENCES "C++11 rvalue references")
require(HAS_CXX11_LONG_LONG "C++11 long long")
require(HAS_CXX11_LONG_LONG "C++11 lambdas")
message("-- Checking misc features")
require(HAVE_STDINT_H "stdint.h")
set(Boost_USE_STATIC_LIBS OFF)
set(Boost_USE_MULTITHREADED ON)
set(Boost_USE_STATIC_RUNTIME OFF)
find_package(Boost 1.48.0 REQUIRED COMPONENTS signals)
find_package(Boost 1.48.0 COMPONENTS python)
include_directories(${Boost_INCLUDE_DIR})
set(CMAKE_CXX_FLAGS_DEBUG "-O0 -g")
set(CMAKE_CXX_FLAGS_MINSIZEREL "-Os -DNDEBUG")
set(CMAKE_CXX_FLAGS_RELEASE "-O2 -DNDEBUG")
set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "-O2 -g")
# Things to install
set(install_libs entityx)
include(CheckCXX11SharedPtr.cmake)
set(sources entityx/tags/TagsComponent.cc entityx/System.cc entityx/Event.cc entityx/Entity.cc entityx/Manager.cc)
add_library(entityx STATIC ${sources})
if (ENTITYX_BUILD_SHARED)
message("-- Building shared libraries (-DENTITYX_BUILD_SHARED=0 to only build static librarires)")
add_library(entityx_shared SHARED ${sources})
target_link_libraries(
entityx_shared
${Boost_SIGNALS_LIBRARY}
)
set_target_properties(entityx_shared PROPERTIES OUTPUT_NAME entityx)
list(APPEND install_libs entityx_shared)
endif (ENTITYX_BUILD_SHARED)
include_directories(${Boost_INCLUDE_DIR})
if (Boost_PYTHON_LIBRARY)
message("-- Found boost::python, building entityx/python")
find_package(PythonLibs REQUIRED)
include_directories(${PYTHON_INCLUDE_DIRS})
set(ENTITYX_HAVE_BOOST_PYTHON 1)
set(python_sources entityx/python/PythonSystem.cc)
add_library(entityx_python STATIC ${python_sources})
list(APPEND install_libs entityx_python)
install(
FILES ${CMAKE_CURRENT_SOURCE_DIR}/entityx/python/entityx/__init__.py
DESTINATION share/entityx/python/
RENAME entityx.py
)
message("-- Installing entityx Python package to ${CMAKE_INSTALL_PREFIX}/share/entityx/python")
set(ENTITYX_INSTALLED_PYTHON_PACKAGE_DIR ${CMAKE_INSTALL_PREFIX}/share/entityx/python/)
if (ENTITYX_BUILD_SHARED)
add_library(entityx_python_shared SHARED ${python_sources})
target_link_libraries(
entityx_python_shared
entityx_shared
${Boost_PYTHON_LIBRARY}
${PYTHON_LIBRARIES}
)
set_target_properties(entityx_python_shared PROPERTIES OUTPUT_NAME entityx_python)
list(APPEND install_libs entityx_python_shared)
endif (ENTITYX_BUILD_SHARED)
endif (Boost_PYTHON_LIBRARY)
if (ENTITYX_BUILD_TESTING)
find_package(Boost 1.48.0 REQUIRED COMPONENTS signals timer system)
add_subdirectory(gtest-1.6.0)
include_directories(${gtest_SOURCE_DIR}/include ${gtest_SOURCE_DIR})
enable_testing()
create_test(entity_test entityx/Entity_test.cc)
create_test(event_test entityx/Event_test.cc)
create_test(system_test entityx/System_test.cc)
create_test(tags_component_test entityx/tags/TagsComponent_test.cc)
if (Boost_PYTHON_LIBRARY)
add_definitions(-DENTITYX_PYTHON_TEST_DATA=\"${CMAKE_CURRENT_SOURCE_DIR}/entityx/python\")
create_test(python_test entityx/python/PythonSystem_test.cc entityx_python ${Boost_PYTHON_LIBRARY} ${PYTHON_LIBRARIES})
endif (Boost_PYTHON_LIBRARY)
if (ENTITYX_RUN_BENCHMARKS)
message("-- Running benchmarks")
add_definitions(-DGTEST_USE_OWN_TR1_TUPLE=1 -DBOOST_NO_CXX11_NUMERIC_LIMITS=1)
create_test(benchmarks_test entityx/Benchmarks_test.cc)
else ()
message("-- 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
)
install(
DIRECTORY "entityx"
DESTINATION "include"
FILES_MATCHING PATTERN "*.h"
)
install(
TARGETS ${install_libs}
LIBRARY DESTINATION lib
ARCHIVE DESTINATION lib
)
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