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@@ -297,9 +297,24 @@ do_others () {
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else
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objdir=${1%/*}
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check_enabled_subimage $1 $objdir
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+
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+ if [ -f "$objdir/$KCONFIG_CONFIG" ]; then
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+ timestamp_before=$(stat --printf="%Y" \
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+ $objdir/$KCONFIG_CONFIG)
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+ fi
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fi
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run_make_config $target $objdir
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+
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+ if [ "$timestamp_before" -a -f "$objdir/$KCONFIG_CONFIG" ]; then
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+ timestamp_after=$(stat --printf="%Y" $objdir/$KCONFIG_CONFIG)
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+
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+ if [ "$timestamp_after" -gt "$timestamp_before" ]; then
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+ # $objdir/.config has been updated.
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+ # touch .config to invoke "make silentoldconfig"
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+ touch $KCONFIG_CONFIG
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+ fi
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+ fi
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}
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progname=$(basename $0)
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