CMakeLists.txt

cmake_minimum_required(VERSION 3.22)
project("Megaphone")

# Project options
option(USE_CLANG_TIDY OFF "An option to turn off clang-tidy")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -march=native -fPIC")

# Set project options
set(CMAKE_CXX_STANDARD 20)
set(CMAKE_BUILD_TYPE Release)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_EXPORT_COMPILE_COMMANDS ON)

option(MEGAPHONE_ENABLE_TESTS OFF "Enable Catch2 tests")
option(MEGAPHONE_ENABLE_ASAN OFF "Enable libasan")

include(cmake/FetchPackages.cmake)

add_library(shared INTERFACE)

file(GLOB_RECURSE LIBPHONE_SOURCES source/libphone/*.cpp)
add_library(phone ${LIBPHONE_SOURCES})

file(GLOB_RECURSE MEGAPHONE_SOURCES source/megaphone/*.cpp)
add_executable(megaphone ${MEGAPHONE_SOURCES})

# Set compiler flags
set(COMPILER_FLAGS
    # All the warnings
    -Wall
    -Wextra
    # Except for the ones that aren't mine
    -Wno-deprecated
    -Wno-unused-parameter
    -Wno-deprecated-declarations
    -Wno-macro-redefined
    # Stack pointer
    -fno-omit-frame-pointer)

if(MEGAPHONE_ENABLE_ASAN)
  list(
    APPEND
    COMPILER_FLAGS
    # Add asan options
    -fsanitize=address
    -fsanitize=pointer-compare
    -fsanitize=pointer-subtract
    -fsanitize=float-divide-by-zero
    -fsanitize=float-cast-overflow)
endif()

target_compile_options(megaphone PUBLIC ${COMPILER_FLAGS})
target_link_options(megaphone PUBLIC ${COMPILER_FLAGS})

target_compile_options(phone PUBLIC ${COMPILER_FLAGS})
target_link_options(phone PUBLIC ${COMPILER_FLAGS})

# Add include dirs
target_include_directories(shared INTERFACE source/flatbuffers/generated)
target_include_directories(megaphone PUBLIC source/megaphone)
target_include_directories(phone PUBLIC source/libphone)

# Link all the libs to each other
target_link_libraries(
  phone
  PUBLIC shared
  PUBLIC uWebSockets
  PUBLIC spdlog::spdlog
  PUBLIC rapidjson
  PUBLIC zenohcxx::zenohc::lib
  PUBLIC zenohcxx::zenohpico
  PUBLIC flatbuffers)
target_link_libraries(megaphone PUBLIC phone)

# Turn clang-tidy off/on
if(USE_CLANG_TIDY)
  message("Using clang tidy")
  # Find clang tidy
  find_program(CLANG_TIDY_EXE NAMES "clang-tidy")
  set(CLANG_TIDY_COMMAND
      "${CLANG_TIDY_EXE}"
      "-warnings-as-errors=true -checks=*,-llvmlibc-*,-google-*,-fuchsia-*,-android-*,-altera-*,-abseil-*,-boost-*,-objc-*,-openmp-*,-zircon-*,-misc-include-cleaner,-readability-convert-member-functions-to-static"
  )

  set_target_properties(megaphone PROPERTIES CXX_CLANG_TIDY
                                             "${CLANG_TIDY_COMMAND}")
  set_target_properties(phone PROPERTIES CXX_CLANG_TIDY "${CLANG_TIDY_COMMAND}")
endif()

# Tests
if(MEGAPHONE_ENABLE_TESTS)
  file(GLOB_RECURSE TESTS_SOURCES tests/*.cpp)
  add_executable(phonetests ${TESTS_SOURCES})
  target_link_libraries(
    phonetests
    PRIVATE Catch2::Catch2WithMain
    PRIVATE phone)
endif()