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merge_config.sh: Use the first file as the initial config

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Take the first config fragment and use it verbatim as the initial config
set.  This avoids running the verification loop for the first file, as
nothing has actually been merged at this point.  This significantly
increases performance for large config fragments.

Signed-off-by: Josh Boyer <jwboyer@redhat.com>
Acked-by: John Stultz <john.stultz@linaro.org>
Acked-by: Darren Hart <dvhart@linux.intel.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
This commit is contained in:
Josh Boyer 2012-02-01 12:01:58 -05:00 committed by Michal Marek
parent 5d09598d48
commit 09280615a0
1 changed files with 5 additions and 1 deletions
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6
scripts/kconfig/merge_config.sh
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@ -58,12 +58,16 @@ while true; do
esac
done
INITFILE=$1
shift;
MERGE_LIST=$*
SED_CONFIG_EXP="s/^\(# \)\{0,1\}\(CONFIG_[a-zA-Z0-9_]*\)[= ].*/\2/p"
TMP_FILE=$(mktemp ./.tmp.config.XXXXXXXXXX)
echo "Using $INITFILE as base"
cat $INITFILE > $TMP_FILE
# Merge files, printing warnings on overrided values
for MERGE_FILE in $MERGE_LIST ; do
echo "Merging $MERGE_FILE"