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CMakeLists.txt
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CMakeLists.txt
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cmake_minimum_required(VERSION 3.0)
project(cityflow)
set(CMAKE_CXX_STANDARD "17" CACHE STRING "")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -DRAPIDJSON_HAS_STDSTRING=1")
set(CMAKE_CXX_FLAGS_RELEASE "-O2")
set(CMAKE_CXX_FLAGS_DEBUG "-g")
set(CMAKE_POSITION_INDEPENDENT_CODE ON)
if(POLICY CMP0063)
cmake_policy(SET CMP0063 NEW)
endif()
if(NOT CMAKE_BUILD_TYPE)
set(CMAKE_BUILD_TYPE Release)
endif(NOT CMAKE_BUILD_TYPE)
include_directories(extern/milo)
set(REQUIRED_SUBMODULES
"extern/pybind11/CMakeLists.txt"
"extern/rapidjson/include"
)
foreach(REQUIRED_SUBMODULE ${REQUIRED_SUBMODULES})
if(NOT EXISTS "${PROJECT_SOURCE_DIR}/${REQUIRED_SUBMODULE}")
# update submodule
# https://cliutils.gitlab.io/modern-cmake/chapters/projects/submodule.html
find_package(Git QUIET)
if(GIT_FOUND AND EXISTS "${PROJECT_SOURCE_DIR}/.git")
# Update submodules as needed
option(GIT_SUBMODULE "Check submodules during build" ON)
if(GIT_SUBMODULE)
message(STATUS "Submodule update, this may take some time...")
execute_process(COMMAND ${GIT_EXECUTABLE} submodule update --init --recursive
WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
RESULT_VARIABLE GIT_SUBMOD_RESULT)
if(NOT GIT_SUBMOD_RESULT EQUAL "0")
message(FATAL_ERROR "git submodule update --init failed with ${GIT_SUBMOD_RESULT}, please checkout submodules")
endif()
endif()
endif()
break()
else()
message(STATUS "Found Submodule: ${REQUIRED_SUBMODULE}")
endif()
endforeach()
foreach(REQUIRED_SUBMODULE ${REQUIRED_SUBMODULES})
if(NOT EXISTS "${PROJECT_SOURCE_DIR}/${REQUIRED_SUBMODULE}")
message(FATAL_ERROR "The submodule ${REQUIRED_SUBMODULE} was not downloaded! GIT_SUBMODULE was turned off or failed. Please update submodules and try again.")
endif()
endforeach()
add_subdirectory(extern/pybind11)
include_directories(extern/rapidjson/include)
add_subdirectory(src)
# Tests
find_package(GTest)
if(GTEST_FOUND)
enable_testing()
add_subdirectory(tests)
endif()
if (${CMAKE_BUILD_TYPE} STREQUAL Debug)
add_subdirectory(tools/debug)
endif()
pybind11_add_module(${PROJECT_NAME} MODULE src/cityflow.cpp)
target_link_libraries(${PROJECT_NAME} PRIVATE ${PROJECT_LIB_NAME})
if(VERSION)
target_compile_definitions(${PROJECT_NAME} PRIVATE -DVERSION=${VERSION})
endif()