polymarket-sdk-cpp/CMakeLists.txt at main · Wammero/polymarket-sdk-cpp · GitHub

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cmake_minimum_required(VERSION 3.21)
project(polymarket-sdk-cpp
    VERSION   0.1.0
    LANGUAGES C CXX
)

set(CMAKE_CXX_STANDARD 23)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_CXX_EXTENSIONS OFF)
set(CMAKE_EXPORT_COMPILE_COMMANDS ON)

# --- Options ---
# When included as subdirectory (FetchContent), disable tests/bench/examples by default.
if(CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_SOURCE_DIR)
    set(_POLYMARKET_IS_TOP_LEVEL ON)
else()
    set(_POLYMARKET_IS_TOP_LEVEL OFF)
endif()

option(POLYMARKET_BUILD_TESTS      "Build tests"                   ${_POLYMARKET_IS_TOP_LEVEL})
option(POLYMARKET_BUILD_BENCH      "Build benchmarks"              ${_POLYMARKET_IS_TOP_LEVEL})
option(POLYMARKET_BUILD_EXAMPLES   "Build examples"                ${_POLYMARKET_IS_TOP_LEVEL})
option(POLYMARKET_ENABLE_WS        "Enable WebSocket"              ON)
option(POLYMARKET_ENABLE_LTO       "Link-Time Optimization"        OFF)
option(POLYMARKET_ENABLE_MIMALLOC  "Use mimalloc global allocator" ON)
option(POLYMARKET_ENABLE_SIMD      "SIMD hex encode/decode"        ON)
option(POLYMARKET_ENABLE_ASAN      "Address sanitizer"             OFF)
option(POLYMARKET_ENABLE_TSAN      "Thread sanitizer"              OFF)

# --- System dependencies (before Dependencies.cmake — uSockets needs OpenSSL) ---
find_package(OpenSSL REQUIRED)
find_package(CURL REQUIRED)

# --- Modules ---
include(cmake/CompilerWarnings.cmake)
include(cmake/Dependencies.cmake)

# --- Sanitizers ---
if(POLYMARKET_ENABLE_ASAN)
    add_compile_options(-fsanitize=address,undefined -fno-omit-frame-pointer)
    add_link_options(-fsanitize=address,undefined)
endif()

if(POLYMARKET_ENABLE_TSAN)
    if(POLYMARKET_ENABLE_ASAN)
        message(FATAL_ERROR "Cannot enable ASan and TSan simultaneously")
    endif()
    add_compile_options(-fsanitize=thread)
    add_link_options(-fsanitize=thread)
endif()

# --- LTO ---
if(POLYMARKET_ENABLE_LTO)
    include(CheckIPOSupported)
    check_ipo_supported(RESULT lto_supported)
    if(lto_supported)
        set(CMAKE_INTERPROCEDURAL_OPTIMIZATION ON)
    endif()
endif()

# --- Main library ---
# Almost entirely header-only. Only ws_client.cpp has compiled code.
# src/polymarket.cpp is a minimal stub to create the static library target.
add_library(polymarket STATIC
    src/polymarket.cpp
)

target_include_directories(polymarket PUBLIC
    $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
    $<INSTALL_INTERFACE:include>
)

target_link_libraries(polymarket
    PUBLIC
        unordered_dense            # hash maps in public headers
        glaze::glaze               # CLOB/Data JSON parsing
        simdjson                   # Gamma JSON parsing
        keccak                     # Keccak-256 (in crypto headers)
        secp256k1                  # secp256k1 (in signer header)
        OpenSSL::SSL OpenSSL::Crypto  # HMAC + TLS (in auth/crypto headers)
    PRIVATE
        CURL::libcurl              # HTTP client (internal)
)

if(POLYMARKET_ENABLE_MIMALLOC)
    target_link_libraries(polymarket PRIVATE mimalloc-static)
    target_compile_definitions(polymarket PRIVATE POLYMARKET_USE_MIMALLOC)
endif()

if(POLYMARKET_ENABLE_SIMD)
    target_compile_definitions(polymarket PUBLIC POLYMARKET_USE_SIMD)
endif()

polymarket_set_warnings(polymarket)

# --- WebSocket ---
if(POLYMARKET_ENABLE_WS)
    target_sources(polymarket PRIVATE src/ws/ws_client.cpp)
    target_link_libraries(polymarket PRIVATE uSockets)
    target_compile_definitions(polymarket PUBLIC POLYMARKET_USE_WS)

    # OpenSSL headers use C-style casts internally — suppress for this file
    set_source_files_properties(src/ws/ws_client.cpp PROPERTIES
        COMPILE_OPTIONS "-Wno-old-style-cast")
endif()

# --- Tests ---
if(POLYMARKET_BUILD_TESTS)
    enable_testing()
    add_subdirectory(tests)
endif()

# --- Benchmarks ---
if(POLYMARKET_BUILD_BENCH)
    add_subdirectory(bench)
endif()

# --- Examples ---
if(POLYMARKET_BUILD_EXAMPLES)
    add_subdirectory(examples)
endif()