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sstate.bbclass: fix parallel building issue 

sstate_package creates hardlink from sysroot to SSTATE_BUILDDIR, then
sstate_create_package will store SSTATE_BUILDDIR into a archive file by
tar, but once other packages install the same file into sysroot, the
creating the archive file will fail with below error:

    DEBUG: Executing shell function sstate_create_package
    tar: x86_64-linux/usr/share/aclocal/xorg-macros.m4: file changed as we read it

This kind of error is harmless, use --ignore-failed-read to ignore it.
The error in tar occurs when the timestamp of the file changes and this
can happen when the number of symlinks change. The file will be included
in the archive.

[YOCTO #5122]

(From OE-Core rev: 4b3e353a532c7b68b0bb86df4a2fcc44f8bb3ef2)

Signed-off-by: Roy.Li <rongqing.li@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Roy.Li 2013-08-13 16:20:18 +08:00 committed by Richard Purdie
parent ca1b5ddb86
commit 0acde33c75
1 changed files with 1 additions and 1 deletions
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meta/classes/sstate.bbclass
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@ -566,7 +566,7 @@ sstate_create_package () {
TFILE=`mktemp ${SSTATE_PKG}.XXXXXXXX`
# Need to handle empty directories
if [ "$(ls -A)" ]; then
tar -czf $TFILE *
tar --ignore-failed-read -czf $TFILE *
else
tar -cz --file=$TFILE --files-from=/dev/null
fi