[yocto] [meta-security] nmap build failed

[Lai Eddy]

build with yocto 1.6.1 on Ubuntu 12.04,
have add extra dep. to local.conf according to REAME
  /poky/openembedded-core/meta \
  /poky/meta-openembedded/meta-oe \
  /poky/meta-openembedded/meta-perl \
  /poky/meta-security \

but got following error message:

$ bitbake -k core-image-full-cmdline
ERROR: ExpansionError during parsing
/poky/meta-openembedded/meta-perl/recipes-perl/libtest/
libtest-harness-perl_3.30.bb: Failure expanding variable
do_fetch[file-checksums], expression was
${@bb.fetch.get_checksum_file_list(d)} which triggered exception
MalformedUrl: The URL:
'${CPAN_MIRROR}/authors/id/L/LE/LEONT/Test-Harness-3.30.tar.gz' is invalid
and cannot be interpreted

Summary: There was 1 ERROR message shown, returning a non-zero exit code.
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