TOP="$(pwd)"
TOOLCHAIN_PATH=""
GLOBAL_MODE=0
CUSTOM_PATH=""

while [ $# -gt 0 ]; do
    case "$1" in
        --global)
            GLOBAL_MODE=1
            shift
            ;;
        --path)
            if [ -z "$2" ]; then
                echo "Ошибка: для --path нужно указать путь"
                return 1 2>/dev/null || exit 1
            fi
            CUSTOM_PATH="$2"
            shift 2
            ;;
        *)
            shift
            ;;
    esac
done

if [ -n "${CUSTOM_PATH}" ]; then
    TOOLCHAIN_PATH="${CUSTOM_PATH}"
elif [ -d "${TOP}/arm-uclinuxfdpiceabi" ]; then
    TOOLCHAIN_PATH="${TOP}/arm-uclinuxfdpiceabi"
elif [ -d "${TOP}/build/install" ]; then
    TOOLCHAIN_PATH="${TOP}/build/install"
fi

if [ -n "${TOOLCHAIN_PATH}" ] && [ -x "${TOOLCHAIN_PATH}/bin/arm-uclinuxfdpiceabi-gcc" ]; then
    echo "Найден toolchain: ${TOOLCHAIN_PATH}/bin/arm-uclinuxfdpiceabi-gcc"

    CFLAGS_TOOLSET='-O2'
    CFLAGS_TARGET='-Os -mthumb'
    SUBARCH=armv7-m
    SUBMODE=thumb

    if [ "$GLOBAL_MODE" -eq 1 ]; then
        export CFLAGS="${CFLAGS_TOOLSET}"
        export CFLAGS_FOR_TARGET="${CFLAGS_TARGET}"
        export CXXFLAGS_FOR_TARGET="${CFLAGS_TARGET}"
        export SUBARCH
        export SUBMODE
        export PATH="${TOOLCHAIN_PATH}/bin:${PATH}"
    else
        CFLAGS="${CFLAGS_TOOLSET}"
        CFLAGS_FOR_TARGET="${CFLAGS_TARGET}"
        CXXFLAGS_FOR_TARGET="${CFLAGS_TARGET}"
        PATH="${TOOLCHAIN_PATH}/bin:${PATH}"
    fi
else
    echo "Ошибка: не найден ${TOOLCHAIN_PATH}/bin/arm-uclinuxfdpiceabi-gcc"
    return 1 2>/dev/null || exit 1
fi