niko
60 lines
2.4 KiB
CMake
60 lines
2.4 KiB
CMake
cmake_minimum_required(VERSION 3.16)
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project(tachyon LANGUAGES CXX)
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set(CMAKE_CXX_STANDARD 23)
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set(CMAKE_CXX_STANDARD_REQUIRED ON)
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set(CMAKE_POSITION_INDEPENDENT_CODE ON)
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# LiteNetLibPP (the LiteNetLib transport) is a pinned git submodule under vendor/. It carries no
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# packet-layer hook for the RecRoom 0x11 marker, so we apply patches/0001-tachyon-packet-layer-hook
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# to its working tree here, idempotently, before building it. See patches/README.md.
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set(LNLPP_DIR ${CMAKE_CURRENT_SOURCE_DIR}/vendor/LiteNetLibPP)
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set(LNLPP_PATCH ${CMAKE_CURRENT_SOURCE_DIR}/patches/0001-tachyon-packet-layer-hook.patch)
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if (NOT EXISTS ${LNLPP_DIR}/CMakeLists.txt)
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message(FATAL_ERROR "vendor/LiteNetLibPP is empty. Run: git submodule update --init --recursive")
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endif ()
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find_package(Git QUIET REQUIRED)
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# If the patch reverse-applies cleanly it is already present; otherwise apply it forward.
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execute_process(
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COMMAND ${GIT_EXECUTABLE} -C ${LNLPP_DIR} apply --reverse --check ${LNLPP_PATCH}
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RESULT_VARIABLE LNLPP_ALREADY_PATCHED OUTPUT_QUIET ERROR_QUIET)
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if (NOT LNLPP_ALREADY_PATCHED EQUAL 0)
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execute_process(
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COMMAND ${GIT_EXECUTABLE} -C ${LNLPP_DIR} apply ${LNLPP_PATCH}
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RESULT_VARIABLE LNLPP_PATCH_RESULT)
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if (NOT LNLPP_PATCH_RESULT EQUAL 0)
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message(FATAL_ERROR "Failed to apply ${LNLPP_PATCH} to LiteNetLibPP")
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endif ()
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message(STATUS "Applied Tachyon packet-layer hook to LiteNetLibPP")
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else ()
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message(STATUS "LiteNetLibPP packet-layer hook already applied")
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endif ()
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# Turn off LiteNetLibPP's tests (they fetch a googletest incompatible with modern CMake) and examples.
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set(BUILD_EXAMPLE OFF CACHE BOOL "" FORCE)
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set(BUILD_AND_RUN_TESTS OFF CACHE BOOL "" FORCE)
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add_subdirectory(vendor/LiteNetLibPP)
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# libcurl: the room lookup (AccountId -> roomInstanceId) calls recflare over HTTP(S).
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find_package(CURL REQUIRED)
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# OpenSSL: decrypt the client's RSA-encrypted wire blobs with the configured private key.
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find_package(OpenSSL REQUIRED)
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add_executable(tachyon
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src/main.cpp
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src/tachyon_server.cpp
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src/dissonance.cpp
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src/hashing.cpp
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src/room_lookup.cpp
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src/config.cpp
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src/crypto.cpp)
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target_compile_features(tachyon PRIVATE cxx_std_23)
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target_include_directories(tachyon PRIVATE
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${CMAKE_CURRENT_SOURCE_DIR}/src
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${CMAKE_CURRENT_SOURCE_DIR}/third_party)
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target_link_libraries(tachyon PRIVATE lnl CURL::libcurl OpenSSL::Crypto)
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