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oe-init-build-env, scripts/oe-buildenv-internal: add error detecting for $BDIR

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[YOCTO #671]

"readlink -f" in Ubuntu 10.04 is buggy: it doesn't ignore a trailing / (e.g.,
"readlink -f /tmp/non-existent-dir/" returns nothing, but according to
http://www.gnu.org/s/coreutils/manual/coreutils.pdf it should do that --
hence we get bug 671. It seems Ubuntu 10.10 or even later Ubuntu 11.04,
and other Linux distributions(e.g., Open Suse 11.4) haven't such an issue.

So I think we should detect this and ask Ubuntu 10.04 users to avoid supply
a path with trailing slash here.

Moreever, I also add the detection of non-existent path, e.g.,
source oe-init-build-env /non-existent-dir/build
can be detected and we'll print an error msg.
And, if we get errors in oe-buildenv-internal, we should stop the script
and shouldn't further run.

(From OE-Core rev: 651ccb3b031d9ccb8331505a51171372002230d9)

Signed-off-by: Dexuan Cui <dexuan.cui@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Dexuan Cui
2011-08-02 14:08:32 +08:00
committed by Richard Purdie
parent 68bd81506f
commit be2a2764d8
2 changed files with 14 additions and 5 deletions
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6
oe-init-build-env
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@@ -35,10 +35,10 @@ else
fi
OEROOT=`readlink -f "$OEROOT"`
export OEROOT
. $OEROOT/scripts/oe-buildenv-internal
$OEROOT/scripts/oe-setup-builddir
. $OEROOT/scripts/oe-buildenv-internal && \
$OEROOT/scripts/oe-setup-builddir && \
[ -n "$BUILDDIR" ] && cd $BUILDDIR
unset OEROOT
unset BBPATH
[ -n "$BUILDDIR" ] && cd $BUILDDIR
fi