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scripts: fix build in a symlinked directory

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The script relpath.sh returns the relative path of the first directory
from the second directory. It is used to generate relative symlinks,
which can be useful if the build directory is embedded in the dpdk
directory: the whole dpdk can be moved without breaking the links,
which is helpful for an installation.

In case the build directory is a symlink, the script was not generating
the proper relative path. Fix this by calling "readlink -f" on the
arguments.

Signed-off-by: Olivier Matz <olivier.matz@6wind.com>
Tested-by: Simon Kagstrom <simon.kagstrom@netinsight.net>
This commit is contained in:
Olivier Matz 2015-05-05 11:00:09 +02:00 committed by Thomas Monjalon
parent 1e38a7c669
commit 8c0eca54cd
1 changed files with 7 additions and 2 deletions
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9
scripts/relpath.sh
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@ -43,8 +43,13 @@ if [ $# -ne 2 ]; then
exit 1
fi
REL1=${1#/}
REL2=${2#/}
# get the real absolute path, derefencing symlinks
ABS1=$(readlink -f $1)
ABS2=$(readlink -f $2)
# remove leading slash
REL1=${ABS1#/}
REL2=${ABS2#/}
left1=${REL1%%/*}
right1=${REL1#*/}