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scripts/config: add option to undef a symbol

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It is currently possible to enable, disable or modularise
a symbol. Also, an undefined symbol is reported as such.

Add a new command to undefine a symbol, by removing the
corresponding line from the .config file.

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Signed-off-by: Michal Marek <mmarek@suse.cz>
This commit is contained in:
Yann E. MORIN
2012-06-08 01:48:57 +02:00
committed by Michal Marek
parent f5ef2f7bf2
commit d5bfb6b381
1 changed files with 10 additions and 0 deletions
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10
scripts/config
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@@ -17,6 +17,7 @@ commands:
Set option to "string" Set option to "string"
--set-val option value --set-val option value
Set option to value Set option to value
--undefine|-u option Undefine option
--state|-s option Print state of option (n,y,m,undef) --state|-s option Print state of option (n,y,m,undef)
--enable-after|-E beforeopt option --enable-after|-E beforeopt option
@@ -73,6 +74,12 @@ set_var() {
fi fi
} }
undef_var() {
local name=$1
sed -ri "/^($name=|# $name is not set)/d" "$FN"
}
if [ "$1" = "--file" ]; then if [ "$1" = "--file" ]; then
FN="$2" FN="$2"
if [ "$FN" = "" ] ; then if [ "$FN" = "" ] ; then
@@ -134,6 +141,9 @@ while [ "$1" != "" ] ; do
set_var "${CONFIG_}$ARG" "${CONFIG_}$ARG=$1" set_var "${CONFIG_}$ARG" "${CONFIG_}$ARG=$1"
shift shift
;; ;;
--undefine|-u)
undef_var "${CONFIG_}$ARG"
;;
--state|-s) --state|-s)
if grep -q "# ${CONFIG_}$ARG is not set" $FN ; then if grep -q "# ${CONFIG_}$ARG is not set" $FN ; then