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Subject: yocto ref manual: confusion between BB_ENV_WHITELIST and BB_ENV_EXTRAWHITE
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  from section B.5 of yocto ref manual:

Tell BitBake to load what you want from the environment into the data
store. You can do so through the BB_ENV_WHITELIST variable. For
example, assume you want to prevent the build system from accessing
your $HOME/.ccache directory. The following command tells BitBake to
load CCACHE_DIR from the environment into the data store:

     export BB_ENV_EXTRAWHITE="$BB_ENV_EXTRAWHITE CCACHE_DIR"

  i think you can see how that might confuse the reader.

rday

p.s.  neither of those variables are listed in the variable glossary,
either.

-- 

========================================================================
Robert P. J. Day                                 Ottawa, Ontario, CANADA
                        http://crashcourse.ca

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