menu "POSIX layer and C standard library"

config RT_USING_LIBC
    bool "Enable libc APIs from the toolchain"
    default n

if RT_USING_LIBC
    config RT_LIBC_USING_TIME
        default y

    config RT_LIBC_USING_FILEIO
        bool "Enable libc with file operation, eg.fopen/fwrite/fread/getchar/STDIO"
        select RT_USING_POSIX_FS
        select RT_USING_POSIX_DEVIO
        default n

    config RT_USING_MODULE
        bool "Enable dynamic module with dlopen/dlsym/dlclose feature"
        default n

    if RT_USING_MODULE
        config RT_USING_CUSTOM_DLMODULE
            bool "Enable load dynamic module by custom"
            default n
    endif
endif

if RT_USING_LIBC != y
    config RT_LIBC_USING_TIME
    bool "Enable time functions without compiler's libc"
    default y
endif

config RT_LIBC_DEFAULT_TIMEZONE
    depends on (RT_LIBC_USING_TIME || RT_USING_LIBC)
    int "Set the default time zone (UTC+)"
    range -12 12
    default 8

source "$RTT_DIR/components/libc/posix/Kconfig"

endmenu