[yocto] Failure expanding variable OE_FEATURES - Poky-1.2_M2.final

[Shih, Chiu-Pi]

Hi,
I am getting the following error using poky-1.2_M2.final.

[tmelab at fc16tmelab build]$ bitbake core-image-minimal
Pseudo is not present but is required, building this first before the main build    (guess this does not really matter? I did add user in /etc/sudoers though)
ERROR: Failure expanding variable OE_FEATURES[:=], expression was ${@features_to_uclibc_conf(d)} which triggered exception AttributeError: 'NoneType' object has no attribute 'split'
ERROR: Command execution failed: Exited with 1
Summary: There were 1 WARNING messages shown.

Summary: There were 1 ERROR messages shown, returning a non-zero exit code.

I did a search on the OE_FEATURES and found some instances, how do I fix this?

Thanks,
Chiu-Pi

[tmelab at fc16tmelab poky-1.2_M2.final]$ find . -exec grep OE_FEATURES {} \; -print
OE_FEATURES := "${@features_to_uclibc_conf(d)}"
  if "${OE_FEATURES}":
                   ("\\n<file:///\\n>".join((bb.data.expand("${OE_FEATURES}", d).split("\n")))))
./meta/recipes-core/uclibc/uclibc.inc
OE_FEATURES := "${@features_to_busybox_conf(d)}"
  if "${OE_FEATURES}":
                   ("\\n<file:///\\n>".join((bb.data.expand("${OE_FEATURES}", d).split("\n")))))
./meta/recipes-core/busybox/busybox.inc
OE_FEATURES = "${@features_to_eglibc_settings(d)}"
        echo '${OE_FEATURES}' > ${B}/option-groups.config
./meta/recipes-core/eglibc/eglibc.inc
ERROR: Failure expanding variable OE_FEATURES[:=], expression was ${@features_to_uclibc_conf(d)} which triggered exception AttributeError: 'NoneType' object has no attribute 'split'
./build/tmp/cooker.log.20120315204404
[tmelab at fc16tmelab poky-1.2_M2.final]$

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