188 lines
6.1 KiB
CMake
188 lines
6.1 KiB
CMake
cmake_minimum_required(VERSION 3.0)
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set(ENTITYX_MAJOR_VERSION 1)
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set(ENTITYX_MINOR_VERSION 1)
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set(ENTITYX_PATCH_VERSION 2)
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set(ENTITYX_VERSION ${ENTITYX_MAJOR_VERSION}.${ENTITYX_MINOR_VERSION}.${ENTITYX_PATCH_VERSION})
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project(EntityX VERSION ${ENTITYX_VERSION})
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message("EntityX version ${ENTITYX_VERSION}")
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if(NOT DEFINED CMAKE_MACOSX_RPATH)
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set(CMAKE_MACOSX_RPATH 0)
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endif()
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include_directories(${CMAKE_CURRENT_LIST_DIR})
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set(ENTITYX_BUILD_TESTING true CACHE BOOL "Enable building of tests.")
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set(ENTITYX_RUN_BENCHMARKS false CACHE BOOL "Run benchmarks (in conjunction with -DENTITYX_BUILD_TESTING=1).")
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set(ENTITYX_MAX_COMPONENTS 64 CACHE STRING "Set the maximum number of components.")
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set(ENTITYX_DT_TYPE double CACHE STRING "The type used for delta time in EntityX update methods.")
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set(ENTITYX_BUILD_SHARED true CACHE BOOL "Build shared libraries?")
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include(${CMAKE_ROOT}/Modules/CheckIncludeFile.cmake)
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include(CheckCXXSourceCompiles)
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# Default compiler args
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if ("${CMAKE_CXX_COMPILER_ID}" MATCHES "(GNU|.*Clang)")
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -pedantic -Werror -Wall -Wextra -Wno-unused-parameter -Wno-error=unused-variable -Wno-error=sign-compare -std=c++11")
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set(CMAKE_CXX_FLAGS_DEBUG "-O0 -g")
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set(CMAKE_CXX_FLAGS_MINSIZEREL "-g -Os -DNDEBUG")
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set(CMAKE_CXX_FLAGS_RELEASE "-g -O2 -DNDEBUG")
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set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "-O2 -g")
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elseif("${CMAKE_CXX_COMPILER_ID}" STREQUAL "MSVC")
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# /Zi - Produces a program database (PDB) that contains type information and symbolic debugging information for use with the debugger.
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# /FS - Allows multiple cl.exe processes to write to the same .pdb file
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# /DEBUG - Enable debug during linking
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# /Od - Disables optimization
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set(CMAKE_CXX_FLAGS_DEBUG "/Zi /FS /DEBUG /Od /MDd")
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# /Ox - Full optimization
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set(CMAKE_CXX_FLAGS_RELEASE "/Ox -DNDEBUG")
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set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "/Ox /Zi /FS /DEBUG")
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endif()
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# if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
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# set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Weverything -Wno-c++98-compat -Wno-shadow -Wno-padded -Wno-missing-noreturn -Wno-global-constructors")
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# endif()
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# Library installation directory
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if(NOT DEFINED CMAKE_INSTALL_LIBDIR)
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set(CMAKE_INSTALL_LIBDIR lib)
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endif(NOT DEFINED CMAKE_INSTALL_LIBDIR)
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set(libdir ${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_LIBDIR})
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# C++11 feature checks
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include(CheckCXX11Features.cmake)
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set(OLD_CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
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if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU" OR "${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -stdlib=libc++")
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endif()
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check_cxx_source_compiles(
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"
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#include <memory>
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int main() {
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std::shared_ptr<int>();
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}
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"
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ENTITYX_HAVE_CXX11_STDLIB
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)
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if (NOT ENTITYX_HAVE_CXX11_STDLIB)
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message("-- Not using -stdlib=libc++ (test failed to build)")
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set(CMAKE_CXX_FLAGS "${OLD_CMAKE_CXX_FLAGS}")
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else ()
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message("-- Using -stdlib=libc++")
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endif ()
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# Misc features
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check_include_file("stdint.h" HAVE_STDINT_H)
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macro(require FEATURE_NAME MESSAGE_STRING)
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if (NOT ${${FEATURE_NAME}})
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message(FATAL_ERROR "${MESSAGE_STRING} required -- ${${FEATURE_NAME}}")
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else()
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message("-- ${MESSAGE_STRING} found")
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endif()
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endmacro(require)
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macro(create_test TARGET_NAME SOURCE)
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add_executable(${TARGET_NAME} ${SOURCE})
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target_link_libraries(
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${TARGET_NAME}
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entityx
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${ARGN}
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)
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add_test(${TARGET_NAME} ${TARGET_NAME})
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endmacro()
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if (NOT CMAKE_BUILD_TYPE)
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message("-- Defaulting to release build (use -DCMAKE_BUILD_TYPE:STRING=Debug for debug build)")
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set(CMAKE_BUILD_TYPE "Release")
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endif()
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message("-- Checking C++ features")
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require(HAS_CXX11_AUTO "C++11 auto support")
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require(HAS_CXX11_NULLPTR "C++11 nullptr support")
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require(HAS_CXX11_RVALUE_REFERENCES "C++11 rvalue reference support")
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#require(HAS_CXX11_CSTDINT_H "C++11 stdint support")
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require(HAS_CXX11_VARIADIC_TEMPLATES "C++11 variadic templates")
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require(HAS_CXX11_RVALUE_REFERENCES "C++11 rvalue references")
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require(HAS_CXX11_LONG_LONG "C++11 long long")
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require(HAS_CXX11_LONG_LONG "C++11 lambdas")
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message("-- Checking misc features")
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require(HAVE_STDINT_H "stdint.h")
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# Things to install
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set(install_libs entityx)
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set(sources entityx/System.cc entityx/Event.cc entityx/Entity.cc entityx/help/Timer.cc entityx/help/Pool.cc)
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add_library(entityx STATIC ${sources})
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set_target_properties(entityx PROPERTIES DEBUG_POSTFIX -d)
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if (ENTITYX_BUILD_SHARED)
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message("-- Building shared libraries (-DENTITYX_BUILD_SHARED=0 to only build static librarires)")
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add_library(entityx_shared SHARED ${sources})
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target_link_libraries(
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entityx_shared
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)
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set_target_properties(entityx_shared PROPERTIES
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OUTPUT_NAME entityx
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VERSION ${ENTITYX_VERSION}
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SOVERSION ${ENTITYX_MAJOR_VERSION})
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list(APPEND install_libs entityx_shared)
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endif (ENTITYX_BUILD_SHARED)
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if (ENTITYX_BUILD_TESTING)
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enable_testing()
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create_test(pool_test entityx/help/Pool_test.cc)
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create_test(entity_test entityx/Entity_test.cc)
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create_test(event_test entityx/Event_test.cc)
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create_test(system_test entityx/System_test.cc)
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create_test(tags_component_test entityx/tags/TagsComponent_test.cc)
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create_test(dependencies_test entityx/deps/Dependencies_test.cc)
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if (ENTITYX_RUN_BENCHMARKS)
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message("-- Running benchmarks")
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create_test(benchmarks_test entityx/Benchmarks_test.cc)
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else ()
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message("-- Not running benchmarks (use -DENTITYX_RUN_BENCHMARKS=1 to enable)")
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endif ()
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endif (ENTITYX_BUILD_TESTING)
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configure_file(
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${CMAKE_CURRENT_SOURCE_DIR}/entityx/config.h.in
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${CMAKE_CURRENT_SOURCE_DIR}/entityx/config.h
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)
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if (NOT WINDOWS OR CYGWIN)
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set(entityx_libs -lentityx)
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configure_file(
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${CMAKE_CURRENT_SOURCE_DIR}/entityx.pc.in
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${CMAKE_CURRENT_BINARY_DIR}/entityx.pc
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)
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install(
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FILES ${CMAKE_CURRENT_BINARY_DIR}/entityx.pc
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DESTINATION "${libdir}/pkgconfig"
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)
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endif()
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install(
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DIRECTORY "entityx"
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DESTINATION "include"
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FILES_MATCHING PATTERN "*.h"
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)
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install(
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TARGETS ${install_libs}
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LIBRARY DESTINATION "${libdir}"
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ARCHIVE DESTINATION "${libdir}"
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)
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