################################################################################
# setup system defaults
################################################################################

  # The TARGET_CPU variable controls which processor should be targeted for
  # generated code.
    case $TARGET_ARCH in
      i386)
        # (AMD CPUs)    k8 k8-sse3 opteron opteron-sse3 athlon64 athlon64-sse3
        #               athlon-fx athlon-mp athlon-xp athlon-4
        #               athlon-tbird athlon k6-3 k6-2 k6 geode
        # (Intel CPUs)  atom core2 nocona prescott pentium4[m] pentium3[m]
        #               pentium-m pentium2 pentiumpro pentium-mmx pentium
        #               i686 i586 i486 i386
        # (VIA CPUs)    c3 c3-2
        #
        TARGET_CPU="i686"
        ;;

      x86_64)
        # (AMD CPUs)    k8 k8-sse3 opteron opteron-sse3 athlon64 athlon64-sse3
        #               athlon-fx amdfam10 barcelona
        # (Intel CPUs)  atom core2 nocona
        #
        TARGET_CPU="x86-64"
        ;;
    esac

  # Bootloader to use (syslinux / u-boot)
    BOOTLOADER="syslinux"

  # u-boot version to use (default)
    UBOOT_VERSION="default"

  # Configuration for u-boot
    UBOOT_CONFIG=""

  # Target Configfile for u-boot
    UBOOT_CONFIGFILE=""

  # Kernel target for u-boot (default 'uImage' if BOOTLOADER=u-boot) (uImage / zImage)
    KERNEL_UBOOT_TARGET=""

  # Kernel extra targets to build
    KERNEL_UBOOT_EXTRA_TARGET=""

  # Additional kernel make parameters (for example to specify the u-boot loadaddress)
    KERNEL_MAKE_EXTRACMD=""

  # Kernel to use. values can be:
  # default:  default mainline kernel
    LINUX="default"


################################################################################
# setup build defaults
################################################################################

  # Build optimizations (size/normal)
    OPTIMIZATIONS="size"

  # Project CFLAGS
    PROJECT_CFLAGS="-mmmx -msse -msse2 -mfpmath=sse"

  # LTO (Link Time Optimization) support
    LTO_SUPPORT="yes"

  # GOLD (Google Linker) support
    GOLD_SUPPORT="yes"

  # SquashFS compression method (gzip / lzo / xz)
    SQUASHFS_COMPRESSION="gzip"


################################################################################
# setup project defaults
################################################################################

  # build and install ALSA Audio support (yes / no)
    ALSA_SUPPORT="yes"

  # OpenGL(X) implementation to use (no / Mesa)
    OPENGL="Mesa"

  # OpenGL-ES implementation to use (no / bcm2835-driver / gpu-viv-bin-mx6q)
    OPENGLES="no"

  # include uvesafb support (yes / no)
    UVESAFB_SUPPORT="yes"

  # Displayserver to use (x11 / no)
    DISPLAYSERVER="x11"

  # KODI Player implementation to use (default / bcm2835-driver / libfslvpuwrap)
    KODIPLAYER_DRIVER="default"

  # Modules to install in initramfs for early boot
    INITRAMFS_MODULES=""

  # additional Firmware to use (dvb-firmware, misc-firmware, wlan-firmware)
  # Space separated list is supported,
  # e.g. FIRMWARE="dvb-firmware misc-firmware wlan-firmware"
    FIRMWARE="misc-firmware wlan-firmware dvb-firmware iwlwifi-firmware"