Dev

cortex_wire_cpp/CMakeLists.txt

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+cmake_minimum_required(VERSION 3.16)
+project(cortex_wire_cpp VERSION 0.1.0 LANGUAGES CXX
+  DESCRIPTION "C++ port of Cortex's IPC wire format (header, msgpack metadata, OOB frames, discovery)"
+  HOMEPAGE_URL "https://github.com/sudoRicheek/cortex"
+)
+
+# ---- options --------------------------------------------------------------
+
+option(CORTEX_WIRE_BUILD_TESTS "Build cortex_wire_cpp unit tests" ON)
+option(CORTEX_WIRE_INSTALL     "Generate install rules for cortex_wire_cpp" ON)
+
+if(NOT CMAKE_CXX_STANDARD)
+  set(CMAKE_CXX_STANDARD 17)
+  set(CMAKE_CXX_STANDARD_REQUIRED ON)
+  set(CMAKE_CXX_EXTENSIONS OFF)
+endif()
+
+if(CMAKE_COMPILER_IS_GNUCXX OR CMAKE_CXX_COMPILER_ID MATCHES "Clang")
+  add_compile_options(-Wall -Wextra -Wpedantic)
+endif()
+
+include(GNUInstallDirs)
+include(CMakePackageConfigHelpers)
+
+# ---- dependencies ---------------------------------------------------------
+
+find_package(cppzmq REQUIRED)
+
+# msgpack-cxx ships either as a CMake config (msgpack-cxxConfig.cmake on newer
+# distros) or as a plain header set under libmsgpack-dev (Ubuntu 22.04). Try
+# config first; fall back to a path lookup.
+find_package(msgpack-cxx QUIET)
+if(NOT msgpack-cxx_FOUND)
+  find_path(MSGPACK_INCLUDE_DIR msgpack.hpp
+    HINTS /usr/include /usr/local/include
+    REQUIRED)
+endif()
+
+# ---- library --------------------------------------------------------------
+
+add_library(cortex_wire
+  src/header.cpp
+  src/metadata.cpp
+  src/discovery_client.cpp
+  src/publisher.cpp
+  src/subscriber.cpp
+)
+add_library(cortex_wire::cortex_wire ALIAS cortex_wire)
+
+find_package(Threads REQUIRED)
+target_link_libraries(cortex_wire PUBLIC Threads::Threads)
+
+target_include_directories(cortex_wire PUBLIC
+  $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
+  $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>
+)
+if(msgpack-cxx_FOUND)
+  target_link_libraries(cortex_wire PUBLIC msgpack-cxx)
+else()
+  # Header-only path: expose the include dir transitively, but do not enter
+  # the install/export set (we'd need an imported target for that).
+  target_include_directories(cortex_wire PUBLIC
+    $<BUILD_INTERFACE:${MSGPACK_INCLUDE_DIR}>
+  )
+endif()
+target_link_libraries(cortex_wire PUBLIC cppzmq)
+
+set_target_properties(cortex_wire PROPERTIES
+  VERSION ${PROJECT_VERSION}
+  SOVERSION ${PROJECT_VERSION_MAJOR}
+  EXPORT_NAME cortex_wire
+  # Allow linkage into downstream SHARED libraries (e.g. the ROS 2 bridge
+  # adapter lib) even when we are built as a static archive.
+  POSITION_INDEPENDENT_CODE ON
+)
+
+# ---- install --------------------------------------------------------------
+
+if(CORTEX_WIRE_INSTALL)
+  install(DIRECTORY include/ DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
+
+  install(TARGETS cortex_wire
+    EXPORT cortex_wire_cppTargets
+    ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
+    LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
+    RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
+  )
+
+  install(PROGRAMS scripts/gen_fingerprint_table.py
+    DESTINATION ${CMAKE_INSTALL_LIBEXECDIR}/cortex_wire_cpp/scripts
+  )
+
+  set(cortex_wire_cpp_cmake_dir ${CMAKE_INSTALL_LIBDIR}/cmake/cortex_wire_cpp)
+
+  install(EXPORT cortex_wire_cppTargets
+    FILE cortex_wire_cppTargets.cmake
+    NAMESPACE cortex_wire::
+    DESTINATION ${cortex_wire_cpp_cmake_dir}
+  )
+
+  configure_package_config_file(
+    cmake/cortex_wire_cppConfig.cmake.in
+    ${CMAKE_CURRENT_BINARY_DIR}/cortex_wire_cppConfig.cmake
+    INSTALL_DESTINATION ${cortex_wire_cpp_cmake_dir}
+  )
+  write_basic_package_version_file(
+    ${CMAKE_CURRENT_BINARY_DIR}/cortex_wire_cppConfigVersion.cmake
+    VERSION ${PROJECT_VERSION}
+    COMPATIBILITY SameMajorVersion
+  )
+  install(FILES
+    ${CMAKE_CURRENT_BINARY_DIR}/cortex_wire_cppConfig.cmake
+    ${CMAKE_CURRENT_BINARY_DIR}/cortex_wire_cppConfigVersion.cmake
+    DESTINATION ${cortex_wire_cpp_cmake_dir}
+  )
+endif()
+
+# ---- tests ----------------------------------------------------------------
+
+if(CORTEX_WIRE_BUILD_TESTS)
+  enable_testing()
+  # Prefer a system-installed GTest; fall back to FetchContent for environments
+  # without one (CI runners, hermetic builds).
+  find_package(GTest QUIET)
+  if(NOT GTest_FOUND)
+    include(FetchContent)
+    FetchContent_Declare(googletest
+      GIT_REPOSITORY https://github.com/google/googletest.git
+      GIT_TAG        v1.14.0
+    )
+    set(gtest_force_shared_crt ON CACHE BOOL "" FORCE)
+    FetchContent_MakeAvailable(googletest)
+  endif()
+
+  set(_cortex_wire_tests
+    test_header
+    test_metadata
+    test_oob_buffer
+    test_discovery_client
+    test_fingerprint_table
+    test_pub_sub_roundtrip
+  )
+  foreach(t ${_cortex_wire_tests})
+    add_executable(${t} test/${t}.cpp)
+    target_link_libraries(${t} PRIVATE
+      cortex_wire
+      GTest::gtest
+      GTest::gtest_main
+    )
+    add_test(NAME ${t} COMMAND ${t})
+  endforeach()
+endif()