Now i got it. Bitbake handles the variable TOPDIR, LAYERDIR internally.
Thanks anyway, Biao At 2012-12-17 17:06:26,Biao <huanmat...@163.com> wrote: Greetings, I am a newbie tying to understand how bitbake works. There is one line as BBPATH = "${TOPDIR}" in the mybuild/conf/bblayers.conf, i would like to know where the TOPDIR is defined? Thanks, Biao
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