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bitbake: utils.py: fix BB_ENV_WHITELIST 

The BB_ENV_WHITELIST doesn't work well and flushes BB_ENV_EXTRAWHITE,
here is an example:

$ export BB_ENV_WHITELIST

$ export BB_NUMBER_THREADS=10 (or other value)

Edit conf/local.conf, change "BB_NUMBER_THREADS =" to "BB_NUMBER_THREADS ?="

$ bitbake -e | grep '^BB_NUMBER_THREADS ='
we will notice that BB_NUMBER_THREADS' value doesn't change, though
BB_NUMBER_THREADS in both BB_ENV_WHITELIST and BB_ENV_EXTRAWHITE.

This is because the "approved" inside the function approved_variables
doesn't include BB_ENV_WHITELIST or BB_ENV_EXTRAWHITE when
BB_ENV_WHITELIST is set (they are incuded by preserved_envvars()), so
the BB_ENV_WHITELIST and BB_ENV_EXTRAWHITE will be removed from the env
in the first call from bin/bitbake, and when it is called again by
cooker.py, their value will be None, then the vars inside them will be
removed from the env.

Add BB_ENV_WHITELIST and BB_ENV_EXTRAWHITE to the "approved" would fix
the problem.

[YOCTO #4031]

(Bitbake rev: d2b07e6516dd308d0045a7fdb72b588af9d676ad)

Signed-off-by: Robert Yang <liezhi.yang@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Robert Yang 2013-03-16 16:07:41 +08:00 committed by Richard Purdie
parent af9f5843d9
commit ee416ad6f4
1 changed files with 3 additions and 0 deletions
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3
bitbake/lib/bb/utils.py
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@ -496,10 +496,13 @@ def approved_variables():
approved = []
if 'BB_ENV_WHITELIST' in os.environ:
approved = os.environ['BB_ENV_WHITELIST'].split()
approved.extend(['BB_ENV_WHITELIST'])
else:
approved = preserved_envvars()
if 'BB_ENV_EXTRAWHITE' in os.environ:
approved.extend(os.environ['BB_ENV_EXTRAWHITE'].split())
if 'BB_ENV_EXTRAWHITE' not in approved:
approved.extend(['BB_ENV_EXTRAWHITE'])
return approved
def clean_environment():