CMakeLists.txt

cmake_minimum_required(VERSION 3.21)

project(KBEngine LANGUAGES C CXX)

include(CTest)

set(CMAKE_CXX_STANDARD 17)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_CXX_EXTENSIONS OFF)

if(MSVC AND NOT DEFINED CMAKE_MSVC_RUNTIME_LIBRARY)
  set(CMAKE_MSVC_RUNTIME_LIBRARY "MultiThreaded$<$<CONFIG:Debug>:Debug>DLL")
endif()

if(MSVC)
  add_compile_definitions(KBE_CMAKE_MANAGED_MSVC_RUNTIME=1)
endif()

list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake")

set(KBE_USING_VCPKG OFF)
if(DEFINED CMAKE_TOOLCHAIN_FILE AND CMAKE_TOOLCHAIN_FILE MATCHES "vcpkg[\\\\/]scripts[\\\\/]buildsystems[\\\\/]vcpkg\\.cmake$")
  set(KBE_USING_VCPKG ON)
elseif(DEFINED VCPKG_TARGET_TRIPLET)
  set(KBE_USING_VCPKG ON)
endif()

include(KBEngineOptions)

if(KBE_ENABLE_CODE_COVERAGE)
  message(STATUS "KBEngine: code coverage enabled")

  # Add coverage flags for C and C++
  add_compile_options(
    $<$<COMPILE_LANGUAGE:C,CXX>:-fprofile-arcs>
    $<$<COMPILE_LANGUAGE:C,CXX>:-ftest-coverage>
    $<$<COMPILE_LANGUAGE:C,CXX>:-fprofile-update=atomic>
  )

  add_link_options(-fprofile-arcs)

  # Remove optimization flags that interfere with coverage
  set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -O0")
  set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -O0")

  # Disable garbage collection and unused functions for better coverage
  add_compile_definitions(
    __NO_INLINE__
  )

  # For coverage, we need to ensure the runtime can find the .gcda files
  # Set GCOV_PREFIX_STRIP to avoid absolute paths in .gcda files
  if(NOT DEFINED GCOV_PREFIX_STRIP)
    set(GCOV_PREFIX_STRIP 0)
  endif()

  message(STATUS "KBEngine: coverage flags set for C/C++ with atomic updates")
endif()

if(KBE_USING_VCPKG)
  message(STATUS "KBEngine: vcpkg toolchain detected")
endif()

if(MSVC)
  add_compile_options(/utf-8)
endif()

set(KBE_ROOT_DIR "${CMAKE_CURRENT_SOURCE_DIR}")
set(KBE_SOURCE_DIR "${KBE_ROOT_DIR}/kbe/src")
set(KBE_LIB_OUTPUT_DIR "${KBE_SOURCE_DIR}/libs")

set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY "${KBE_LIB_OUTPUT_DIR}")
set(CMAKE_LIBRARY_OUTPUT_DIRECTORY "${KBE_LIB_OUTPUT_DIR}")
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY "${KBE_ROOT_DIR}/kbe/bin/server")

include(KBEngineDependencies)

add_subdirectory(kbe/src)

if(BUILD_TESTING AND KBE_ENABLE_TESTING)
  add_subdirectory(tests)
endif()