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authorJosh Boyer <jwboyer@redhat.com>2012-02-01 12:01:58 -0500
committerMichal Marek <mmarek@suse.cz>2012-03-24 23:25:40 +0100
commit09280615a0d924b3ab79acbff950f92c3420fd76 (patch)
treee49fd169ac260000b4da49b8a39d929bf038378b /scripts/kconfig/merge_config.sh
parent5d09598d488f081e3be23f885ed65cbbe2d073b5 (diff)
downloadop-kernel-dev-09280615a0d924b3ab79acbff950f92c3420fd76.zip
op-kernel-dev-09280615a0d924b3ab79acbff950f92c3420fd76.tar.gz
merge_config.sh: Use the first file as the initial config
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>
Diffstat (limited to 'scripts/kconfig/merge_config.sh')
-rw-r--r--scripts/kconfig/merge_config.sh6
1 files changed, 5 insertions, 1 deletions
diff --git a/scripts/kconfig/merge_config.sh b/scripts/kconfig/merge_config.sh
index ceadf0e..23d738a 100644
--- a/scripts/kconfig/merge_config.sh
+++ b/scripts/kconfig/merge_config.sh
@@ -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"
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