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CMakeLists.txt
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CMakeLists.txt
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cmake_minimum_required(VERSION 3.19)
project("AdvancedC++" VERSION 1.0.0)
set(CMAKE_CXX_STANDARD 17)
set(CMAKE_CXX_STANDARD_REQUIRED True)
# set(CMAKE_VERBOSE_MAKEFILE ON)
include("cmake/Platforms.cmake")
setup_platforms()
# include_platform_directories(SRC_FILES)
include("cmake/Resources.cmake")
copy_resources_assets()
# Graphics APIs:
if (RASPBERRY_PI)
add_compile_definitions(RASPBERRY_PI)
add_compile_definitions(GRAPHICS_API_GLES)
set(GRAPHICS_API_GLES True)
elseif (WINDOWS OR MACOS OR LINUX)
add_compile_definitions(GRAPHICS_API_GL)
set(GRAPHICS_API_GL True)
endif()
file(GLOB_RECURSE SRC_FILES "src/*.cpp")
# Dear ImGui
# See: https://github.com/ocornut/imgui/wiki/Getting-Started
file(GLOB IMGUI_FILES "libraries/imgui/*.cpp")
list(APPEND IMGUI_FILES
"libraries/imgui/backends/imgui_impl_glfw.cpp"
"libraries/imgui/backends/imgui_impl_opengl3.cpp"
# "libraries/imgui/misc/cpp/imgui_stdlib.cpp"
)
list(APPEND SRC_FILES ${IMGUI_FILES})
add_executable("${PROJECT_NAME}" "${SRC_FILES}")
# Allows our C++ (.cpp) files to use #include statements starting from this folder:
target_include_directories("${PROJECT_NAME}" PUBLIC "src")
target_include_directories("${PROJECT_NAME}" PUBLIC "libraries")
target_include_directories("${PROJECT_NAME}" PUBLIC "libraries/nethosting")
# Allows our CMakeLists.txt file to use target_link_libraries(...) commands starting from this folder:
if (WINDOWS)
if (INTEL64)
target_link_directories("${PROJECT_NAME}" PUBLIC "libraries/nethosting/windows/intel64")
endif()
elseif (MACOS)
if (INTEL64)
target_link_directories("${PROJECT_NAME}" PUBLIC "libraries/nethosting/macos/intel64")
elseif (ARM64)
target_link_directories("${PROJECT_NAME}" PUBLIC "libraries/nethosting/macos/arm64")
endif()
elseif (LINUX)
if (INTEL64)
target_link_directories("${PROJECT_NAME}" PUBLIC "libraries/nethosting/linux/intel64")
elseif (ARM64)
target_link_directories("${PROJECT_NAME}" PUBLIC "libraries/nethosting/linux/arm64")
endif()
endif()
# GLAD
if (GRAPHICS_API_GL)
add_subdirectory("libraries/glad/GL")
target_link_libraries("${PROJECT_NAME}" PUBLIC gladGL)
elseif (GRAPHICS_API_GLES)
add_subdirectory("libraries/glad/GLES")
target_link_libraries("${PROJECT_NAME}" PUBLIC gladGLES)
endif()
target_include_directories("${PROJECT_NAME}" PUBLIC "libraries/glad/include")
# GLFW
# This turns OFF building the GLFW tests, examples and documentation:
set(GLFW_BUILD_DOCS OFF CACHE BOOL "" FORCE)
set(GLFW_BUILD_TESTS OFF CACHE BOOL "" FORCE)
set(GLFW_BUILD_EXAMPLES OFF CACHE BOOL "" FORCE)
# SEE: Note from https://www.glfw.org/docs/latest/build_guide.html#build_link_cmake_source
# This adds a "glfw" target, from their CMakeLists.txt file.
add_subdirectory("libraries/glfw")
# This links GLFW to our executable!
target_link_libraries("${PROJECT_NAME}" PUBLIC glfw)
# We need this for our C++ program to find the .h header files when building:
target_include_directories("${PROJECT_NAME}" PUBLIC "libraries/glfw/include")
# GLM
# See for glm compiler options: https://chromium.googlesource.com/external/github.com/g-truc/glm/+/HEAD/manual.md
add_compile_definitions(GLM_FORCE_LEFT_HANDED)
add_subdirectory("libraries/glm")
target_link_libraries("${PROJECT_NAME}" PUBLIC glm)
target_include_directories("${PROJECT_NAME}" PUBLIC "libraries/glm")
# Dear ImGui
# add_subdirectory("cmake/imgui")
# target_link_libraries("${PROJECT_NAME}" PUBLIC imgui)
target_include_directories("${PROJECT_NAME}" PUBLIC "libraries/imgui")
target_include_directories("${PROJECT_NAME}" PUBLIC "libraries/imgui/backends")
if (WINDOWS)
# Links against the dynamic library nethost.dll.
# NOTE: There IS NO hostfxr.lib.
target_link_libraries("${PROJECT_NAME}" PUBLIC nethost)
elseif (MACOS)
target_link_libraries("${PROJECT_NAME}" PUBLIC "libnethost.dylib")
elseif (LINUX)
# This linker option is required when using the dynamic library functions (dlfcn.h):
# target_link_options("${PROJECT_NAME}" PUBLIC -ldl)
target_link_libraries("${PROJECT_NAME}" PUBLIC dl)
# This linker option is required for the runtime to fully work,
# Otherwise it complains failed to load libhostpolicy.so,
# and undefined symbol "pthread_create".
# target_link_options("${PROJECT_NAME}" PUBLIC -lpthread)
target_link_libraries("${PROJECT_NAME}" PUBLIC pthread)
target_link_libraries("${PROJECT_NAME}" PUBLIC "libnethost.so")
endif()
# NOTE: These are automatically prepended with the source dir (CMAKE_CURRENT_SOURCE_DIR)
if (WINDOWS)
set(DLL_FILES
"libraries/nethosting/windows/intel64/nethost.dll"
# NOTE: Add more DLL file paths as needed here!
)
elseif (MACOS)
if (INTEL64)
set(DLL_FILES
"libraries/nethosting/macos/intel64/libnethost.dylib"
)
elseif (ARM64)
set(DLL_FILES
"libraries/nethosting/macos/arm64/libnethost.dylib"
)
endif()
elseif (LINUX)
if (INTEL64)
set(DLL_FILES
"libraries/nethosting/linux/intel64/libnethost.so"
)
elseif (ARM64)
set(DLL_FILES
"libraries/nethosting/linux/arm64/libnethost.so"
)
endif()
endif()
add_custom_target("CopyDLLs")
# WARNING: NO QUOTES IS IMPORTANT HERE!
# The list is semi-colon-separated,
# And the semi-colons need to be OUTSIDE of quotes to separate each iteration of the loop.
foreach (dllFilePath ${DLL_FILES})
# Older syntax:
# get_filename_component(dllName "${dllFilePath}" NAME)
cmake_path(GET dllFilePath FILENAME dllName)
if (IS_ABSOLUTE "${dllFilePath}")
set(absoluteDllFilePath "${dllFilePath}")
else()
set(absoluteDllFilePath "${CMAKE_CURRENT_SOURCE_DIR}/${dllFilePath}")
endif()
message("Copying ${absoluteDllFilePath}")
# WARNING: For some reason, this copy command doesn't work unless we provide the absolute path:
# Maybe because we're calling the cmake executable, which exists under our program files/OS installation files.
add_custom_command(TARGET "CopyDLLs"
PRE_BUILD
COMMAND "${CMAKE_COMMAND}" -E copy "${absoluteDllFilePath}" "${CMAKE_CURRENT_BINARY_DIR}/${dllName}"
DEPENDS "${absoluteDllFilePath}"
)
endforeach()
add_dependencies("${PROJECT_NAME}" "CopyDLLs")
# WARNING: For some reason, this just doesn't work.
# It complains about non-existent configurations for Release|x64 and Debug|x64...
# Calling the C# build .sh script from command line (before/after CMake is invoked) works.
# No idea why.
# add_custom_target("BuildCSharp")
# add_custom_command(
# TARGET "BuildCSharp"
# PRE_BUILD
# COMMAND sh build-csharp.sh
# WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
# # DEPENDS build-csharp.sh "csharp/MainCSProj/Program.cs" # TODO: Specify all C# scripts under the csharp folder?
# )
# add_dependencies("${PROJECT_NAME}" "BuildCSharp")