CMakeLists.txt

cmake_minimum_required(VERSION 3.22 FATAL_ERROR)

# CMAKE
# apt install build-essential git
# git clone https://github.com/Kitware/CMake/; cd CMake
# ./bootstrap && make && sudo make install

# VCPKG
# cmake -DCMAKE_TOOLCHAIN_FILE=/opt/workspace/vcpkg/scripts/buildsystems/vcpkg.cmake ..
# Needed libs are in file vcpkg.json
# Windows required libs: .\vcpkg install --triplet x64-windows asio pugixml spdlog curl protobuf parallel-hashmap magic-enum mio luajit libmariadb mpir abseil bshoshany-thread-pool

if(DEFINED ENV{VCPKG_ROOT} AND NOT DEFINED CMAKE_TOOLCHAIN_FILE)
    set(CMAKE_TOOLCHAIN_FILE "$ENV{VCPKG_ROOT}/scripts/buildsystems/vcpkg.cmake"
            CACHE STRING "")
endif()

if(DEFINED ENV{VCPKG_DEFAULT_TRIPLET} AND NOT DEFINED VCPKG_TARGET_TRIPLET)
    set(VCPKG_TARGET_TRIPLET "$ENV{VCPKG_DEFAULT_TRIPLET}" CACHE STRING "")
endif()

set(VCPKG_FEATURE_FLAGS "versions")
set(VCPKG_BUILD_TYPE "release")
set(CMAKE_EXPORT_COMPILE_COMMANDS ON)

# *****************************************************************************
# Project canary
# *****************************************************************************
if(CMAKE_BUILD_TYPE STREQUAL "Debug")
    project(otxserver-debug LANGUAGES CXX)
else()
    project(otxserver LANGUAGES CXX)
endif()

# *****************************************************************************
# Append cmake search path
# *****************************************************************************
list(APPEND CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules)

# *****************************************************************************
# Include cmake tools
# *****************************************************************************
include(MessageColors)
include(LoggingHelper)

# *****************************************************************************
# Options
# *****************************************************************************
option(OPTIONS_ENABLE_CCACHE "Enable ccache" OFF)
option(OPTIONS_ENABLE_SCCACHE "Use sccache to speed up compilation process" OFF)
option(OPTIONS_ENABLE_IPO "Check and Enable interprocedural optimization (IPO/LTO)" ON)
option(FEATURE_METRICS "Enable metrics feature" OFF)

# *****************************************************************************
# Options Code
# *****************************************************************************

if(FEATURE_METRICS)
    log_option_enabled("metrics")
else ()
    log_option_disabled("metrics")
endif ()

# === CCACHE ===
if(OPTIONS_ENABLE_CCACHE)
    find_program(CCACHE ccache)
    if(CCACHE)
        log_option_enabled("ccache")
        set(CMAKE_CXX_COMPILER_LAUNCHER ${CCACHE})
    else()
        log_option_disabled("ccache")
    endif()
endif()

# === SCCACHE ===
if(OPTIONS_ENABLE_SCCACHE)
    find_program(SCCACHE_PATH sccache)
    if(SCCACHE_PATH)
        log_option_enabled("sccache")
        set(CMAKE_C_COMPILER_LAUNCHER ${SCCACHE_PATH})
        set(CMAKE_CXX_COMPILER_LAUNCHER ${SCCACHE_PATH})
    else()
        log_option_disabled("sccache")
    endif()
endif()

option(BUILD_TESTS "Build tests" OFF) # By default, tests will not be built
option(RUN_TESTS_AFTER_BUILD "Run tests when building" OFF) # By default, tests will only run if requested

# *****************************************************************************
# Add project
# *****************************************************************************
add_subdirectory(src)

if(BUILD_TESTS OR PACKAGE_TESTS)
    add_subdirectory(tests)
endif()