set(GIT_HASH "undefined")
find_package(Git QUIET)
if(GIT_FOUND)
    execute_process(
            COMMAND ${GIT_EXECUTABLE} log -1 --pretty=format:%h
            OUTPUT_VARIABLE GIT_HASH
            OUTPUT_STRIP_TRAILING_WHITESPACE
            ERROR_QUIET
    )
endif()

message(STATUS "Burning in git hash: ${GIT_HASH}")

add_definitions("-DGIT_HASH=\"${GIT_HASH}\"")

#include(${CMAKE_CURRENT_LIST_DIR}/../toolchain/arm-none-eabi-stm32f411ceu6-toolchain.cmake)
# uncomment to mitigate c++17 absolute addresses warnings
#set(CMAKE_CXX_FLAGS  "${CMAKE_CXX_FLAGS} -Wno-register")

file(GLOB_RECURSE SOURCES
        "Core/*.*"
        "Middlewares/*.*"
        "Drivers/*.*"
        "USB_DEVICE/*.*"
)

message(WARNING "linker script is : ${LINKER_SCRIPT}")

add_executable(${PROJECT_NAME}.elf ${SOURCES} ${LINKER_SCRIPT})

target_include_directories(${PROJECT_NAME}.elf PUBLIC
        USB_DEVICE/App
        USB_DEVICE/Target
        Core/Inc
        Drivers/STM32F4xx_HAL_Driver/Inc
        Drivers/STM32F4xx_HAL_Driver/Inc/Legacy
        Middlewares/ST/STM32_USB_Device_Library/Core/Inc
        Middlewares/ST/STM32_USB_Device_Library/Class/CDC/Inc
        Drivers/CMSIS/Device/ST/STM32F4xx/Include
        Drivers/CMSIS/Include
        Middlewares/floatpump/Inc
)

set(HEX_FILE ${PROJECT_BINARY_DIR}/${PROJECT_NAME}.hex)
set(BIN_FILE ${PROJECT_BINARY_DIR}/${PROJECT_NAME}.bin)

add_custom_command(TARGET ${PROJECT_NAME}.elf POST_BUILD
        COMMAND ${CMAKE_OBJCOPY} -Oihex $<TARGET_FILE:${PROJECT_NAME}.elf> ${HEX_FILE}
        COMMAND ${CMAKE_OBJCOPY} -Obinary $<TARGET_FILE:${PROJECT_NAME}.elf> ${BIN_FILE}
        COMMENT "Building ${HEX_FILE}
Building ${BIN_FILE}")