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CMakeLists.txt
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cmake_minimum_required(VERSION 3.19)
project(gravity VERSION 0.1 LANGUAGES CXX)
include(cmake/general.cmake)
set(IMPORT_SDL_FROM "SYSTEM" CACHE STRING "Choose how to import sdl2: " FORCE)
set_property(CACHE IMPORT_SDL_FROM PROPERTY STRINGS "CONAN" "SYSTEM")
# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ #
# Conan #
# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ #
set(CONAN SYSTEM_INCLUDES ON)
include(cmake/conan.cmake)
set(CONAN_DEPENDENCIES
mp-units/0.6.0
linear_algebra/0.7.0@public-conan/testing
entt/3.6.0
imgui/1.79
fmt/7.1.2
lyra/1.5.1
nlohmann_json/3.9.1
tomlplusplus/2.2.0 # need at least version 1.3.3 to get rid of warnings
tl-optional/1.0.0
tl-expected/1.0.0
)
if (IMPORT_SDL_FROM STREQUAL "CONAN")
list(APPEND CONAN_DEPENDENCIES sdl2/2.0.10@bincrafters/stable)
endif()
conan_cmake_configure(BASIC_SETUP REQUIRES ${CONAN_DEPENDENCIES})
conan_cmake_autodetect(settings)
conan_cmake_install(
PATH_OR_REFERENCE ${CMAKE_BINARY_DIR}
BUILD missing
GENERATOR cmake
SETTINGS ${settings}
)
include(${CMAKE_BINARY_DIR}/conanbuildinfo.cmake)
conan_basic_setup(TARGETS)
# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ #
# SDL, Threads, GLEW #
# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ #
message(STATUS "SDL imported from ${IMPORT_SDL_FROM}")
if ("${IMPORT_SDL_FROM}" STREQUAL "CONAN")
add_library(grv::sdl ALIAS CONAN_PKG::sdl2)
else()
find_package(SDL2 REQUIRED)
add_library(grv::sdl ALIAS SDL2::SDL2)
endif()
find_package(Threads REQUIRED)
find_package(OpenGL REQUIRED)
find_package(GLEW REQUIRED)
# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ #
# imgui integration #
# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ #
add_library(imgui_sdl_integration OBJECT)
target_sources(imgui_sdl_integration
PRIVATE
3rd_party/imgui_sdl_integration/src/imgui_impl_sdl.cpp
3rd_party/imgui_sdl_integration/src/imgui_impl_opengl3.cpp
)
target_link_libraries(imgui_sdl_integration PUBLIC CONAN_PKG::imgui grv::sdl)
target_include_directories(imgui_sdl_integration PUBLIC 3rd_party/imgui_sdl_integration/include/)
# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ #
# Enable warnings #
# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ #
add_library(project_warnings INTERFACE)
include(cmake/compiler_warnings.cmake)
set_project_warnings(project_warnings)
# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ #
# Gravity #
# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ #
add_executable(gravity)
target_sources(gravity
PRIVATE
src/main.cpp src/common.cpp src/io.cpp src/config.cpp
src/cli.cpp src/simulation.cpp src/gfx.cpp
# 3rd_party/src/imgui_impl_opengl3.cpp 3rd_party/src/imgui_impl_sdl.cpp
)
target_compile_features(gravity PUBLIC cxx_std_20)
target_compile_options(gravity PRIVATE)
target_link_libraries(gravity
PRIVATE
project_warnings
grv::sdl OpenGL::GL GLEW::GLEW -lSDL2_gfx imgui_sdl_integration
CONAN_PKG::mp-units CONAN_PKG::linear_algebra CONAN_PKG::entt CONAN_PKG::imgui
CONAN_PKG::fmt CONAN_PKG::lyra CONAN_PKG::nlohmann_json CONAN_PKG::tomlplusplus
CONAN_PKG::tl-optional CONAN_PKG::tl-expected
Threads::Threads $<$<CXX_COMPILER_ID:GNU>:-ltbb>
)
target_include_directories(gravity
SYSTEM PRIVATE ./3rd_party/include/ ./SDLpp/include/ # /usr/include/SDL2/
PRIVATE ./include
)
enable_sanitizers(gravity)
enable_lto(gravity)