C-files in Arduino libraries. Not enough compilation flags. about arduino-cmake-ng HOT 3 CLOSED

cmake_minimum_required(VERSION 3.8)

set(project_name Cocktail)

## Команда для запуска CMake (run CMake in bash)
## cmake -DCMAKE_TOOLCHAIN_FILE=/home/petro/install/arduino-cmake/cmake/Arduino-Toolchain.cmake -DARDUINO_SDK_PATH=/home/petro/install/arduino-1.8.5 -Darduino_port=/dev/ttyUSB0 ..

## Команда для генерации файлов проекта Eclipse (Eclipse project files generator)
## cmake -G "Eclipse CDT4 - Unix Makefiles" -DCMAKE_BUILD_TYPE=Debug -DCMAKE_ECLIPSE_GENERATE_SOURCE_PROJECT=TRUE -DCMAKE_ECLIPSE_MAKE_ARGUMENTS=-j8 -DCMAKE_TOOLCHAIN_FILE=/home/petro/install/arduino-cmake/cmake/Arduino-Toolchain.cmake -DARDUINO_SDK_PATH=/home/petro/install/arduino-1.8.5 -Darduino_port=/dev/ttyUSB0 ../firmware-ecl

set(CMAKE_VERBOSE_MAKEFILE ON)

## Флаги, компенсирующие косяк в сборке C-файлов Arduino-CMake-NG (temporary cure)
#add_definitions(-DARDUINO_ARCH_AVR -DARDUINO_AVR_MEGA2560 -DARDUINO=10802 -DF_CPU=16000000L)
#set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mmcu=atmega2560")

#set(ARDUINO_CMAKE_SKETCHBOOK_PATH /home/petro/Arduino)

project(${project_name} LANGUAGES C CXX ASM)

set(arduino_board mega)
set(board_cpu atmega2560)
get_board_id(board_id ${arduino_board} ${board_cpu})

add_arduino_executable(${project_name} ${board_id} main.cpp)

find_arduino_library(timer_api_lib arduino-timer-api ${board_id})
link_arduino_library(${project_name} timer_api_lib ${board_id})

set(arduino_port /dev/ttyUSB0)
upload_arduino_target(${project_name} ${board_id} ${arduino_port})