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From: Richard Purdie <richard.purdie@linuxfoundation.org>
To: Gary Thomas <gary@mlbassoc.com>
Date: Wed, 18 Jan 2012 12:54:17 +0000
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References: <4F16AF6A.2060704@mlbassoc.com>
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Cc: Poky Project <poky@yoctoproject.org>
Subject: Re: New sstate concern
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On Wed, 2012-01-18 at 04:39 -0700, Gary Thomas wrote:
> Updating today to rev 5724ee9c3a99519fea96446638910b727b89898d, I have new
> concerns my sstate-cache is once again useless with most every package
> being rebuilt, e.g.:
> 
> p60_test_pass1/tmp/stamps/i686-linux/u-boot-mkimage-native-2011.06-r0.do_fetch.sigdata.275c6cb8e401bc01179906d05ff611c7
> p60_new/tmp/stamps/i686-linux/u-boot-mkimage-native-2011.06-r0.do_fetch.sigdata.275c6cb8e401bc01179906d05ff611c7
> basewhitelist changed from set(['SSTATE_DIR', 'FILESPATH', 'TERM', 'BB_TASKHASH', 'STAGING_DIR_HOST', 'FILESEXTRAPATHS', 'PWD', 'COREBASE', 'BBPATH', 'SHELL', 'DL_DIR', 
> 'STAGING_DIR_TARGET', 'LOGNAME', 'THISDIR', 'FILE', 'FILE_DIRNAME', 'PATH', 'HOME', 'TMPDIR', 'USER']) to set(['PRSERV_PORT', 'DL_DIR', 'LOGNAME', 'USER', 'FILE', 'HOME', 'PATH', 
> 'TERM', 'SHELL', 'COREBASE', 'PRSERV_DUMPDIR', 'SSTATE_DIR', 'BB_TASKHASH', 'FILESEXTRAPATHS', 'THISDIR', 'BBPATH', 'STAGING_DIR_TARGET', 'FILE_DIRNAME', 'PRSERV_HOST', 'TMPDIR', 
> 'FILESPATH', 'STAGING_DIR_HOST', 'PRSERV_DUMPFILE', 'PRSERV_LOCKDOWN', 'PWD'])
> changed items: set(['PRSERV_PORT', 'PRSERV_HOST', 'PRSERV_DUMPFILE', 'PRSERV_LOCKDOWN', 'PRSERV_DUMPDIR'])
> 
> Are these newly introduced variables really necessary in the
> signatures?

Its telling you there was a difference and the configuration changed but
those variables are not included in the stamp and that message is for
information purposes only. 

If you look closely at the above, the same checksum is shown
(275c6cb8e401bc01179906d05ff611c7 for both)!

Cheers,

Richard