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cmake_minimum_required(VERSION 2.8)
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})
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 -std=c++11")
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})
# C++11 feature checks
include(CheckCXX11Features.cmake)
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 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(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 SHARED ${sources})
set_target_properties(entityx_shared PROPERTIES
OUTPUT_NAME entityx
DEBUG_POSTFIX -d
VERSION ${ENTITYX_VERSION}
SOVERSION ${ENTITYX_MAJOR_VERSION}
FOLDER entityx)
set(install_libs entityx_shared)
set_property(TARGET entityx_shared 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)
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"
)
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