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authorLinus Torvalds <torvalds@linux-foundation.org>2012-07-30 11:23:37 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2012-07-30 11:23:37 -0700
commitf6774cbcad7aa21ac0d4fc92a5e4deae901f6534 (patch)
tree94c9647bf7cbaf94c535c4ffc749c50ad6615936 /scripts/config
parentb4e2ed325560a009d8508ff933f4df906fa96775 (diff)
parent1fa850596dcbc1b147948c832eb770d96c78024e (diff)
downloadleg-kernel-f6774cbcad7aa21ac0d4fc92a5e4deae901f6534.tar.gz
Merge branch 'misc' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild
Pull misc kbuild changes from Michal Marek: "This is the non-critical part of kbuild for v3.6-rc1: - Two new coccinelle semantic patches - New scripts/tags.sh regexp - scripts/config improvements that I mistakenly applied here instead of in the kconfig branch (but there are no conflicts) - Debian packaging fixes" * 'misc' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild: scripts/tags.sh: Teach [ce]tags about libtraceeevent error codes scripts/coccinelle: list iterator variable semantic patch scripts/coccinelle: Find threaded IRQs requests which are missing IRQF_ONESHOT deb-pkg: Add all Makefiles to header package deb-pkg: Install linux-firmware-image in versioned dir scripts/config: add option to undef a symbol scripts/config: allow alternate prefix to config option symbol scripts/config: add option to not upper-case symbols
Diffstat (limited to 'scripts/config')
-rwxr-xr-xscripts/config60
1 files changed, 44 insertions, 16 deletions
diff --git a/scripts/config b/scripts/config
index 9e984bc96e18..ee355394f4ef 100755
--- a/scripts/config
+++ b/scripts/config
@@ -1,6 +1,9 @@
#!/bin/bash
# Manipulate options in a .config file from the command line
+# If no prefix forced, use the default CONFIG_
+CONFIG_="${CONFIG_-CONFIG_}"
+
usage() {
cat >&2 <<EOL
Manipulate options in a .config file from the command line.
@@ -14,6 +17,7 @@ commands:
Set option to "string"
--set-val option value
Set option to value
+ --undefine|-u option Undefine option
--state|-s option Print state of option (n,y,m,undef)
--enable-after|-E beforeopt option
@@ -26,10 +30,17 @@ commands:
commands can be repeated multiple times
options:
- --file .config file to change (default .config)
+ --file config-file .config file to change (default .config)
+ --keep-case|-k Keep next symbols' case (dont' upper-case it)
config doesn't check the validity of the .config file. This is done at next
- make time.
+make time.
+
+By default, config will upper-case the given symbol. Use --keep-case to keep
+the case of all following symbols unchanged.
+
+config uses 'CONFIG_' as the default symbol prefix. Set the environment
+variable CONFIG_ to the prefix to use. Eg.: CONFIG_="FOO_" config ...
EOL
exit 1
}
@@ -40,11 +51,13 @@ checkarg() {
usage
fi
case "$ARG" in
- CONFIG_*)
- ARG="${ARG/CONFIG_/}"
+ ${CONFIG_}*)
+ ARG="${ARG/${CONFIG_}/}"
;;
esac
- ARG="`echo $ARG | tr a-z A-Z`"
+ if [ "$MUNGE_CASE" = "yes" ] ; then
+ ARG="`echo $ARG | tr a-z A-Z`"
+ fi
}
set_var() {
@@ -61,6 +74,12 @@ set_var() {
fi
}
+undef_var() {
+ local name=$1
+
+ sed -ri "/^($name=|# $name is not set)/d" "$FN"
+}
+
if [ "$1" = "--file" ]; then
FN="$2"
if [ "$FN" = "" ] ; then
@@ -75,10 +94,16 @@ if [ "$1" = "" ] ; then
usage
fi
+MUNGE_CASE=yes
while [ "$1" != "" ] ; do
CMD="$1"
shift
case "$CMD" in
+ --keep-case|-k)
+ MUNGE_CASE=no
+ shift
+ continue
+ ;;
--refresh)
;;
--*-after)
@@ -95,37 +120,40 @@ while [ "$1" != "" ] ; do
esac
case "$CMD" in
--enable|-e)
- set_var "CONFIG_$ARG" "CONFIG_$ARG=y"
+ set_var "${CONFIG_}$ARG" "${CONFIG_}$ARG=y"
;;
--disable|-d)
- set_var "CONFIG_$ARG" "# CONFIG_$ARG is not set"
+ set_var "${CONFIG_}$ARG" "# ${CONFIG_}$ARG is not set"
;;
--module|-m)
- set_var "CONFIG_$ARG" "CONFIG_$ARG=m"
+ set_var "${CONFIG_}$ARG" "${CONFIG_}$ARG=m"
;;
--set-str)
# sed swallows one level of escaping, so we need double-escaping
- set_var "CONFIG_$ARG" "CONFIG_$ARG=\"${1//\"/\\\\\"}\""
+ set_var "${CONFIG_}$ARG" "${CONFIG_}$ARG=\"${1//\"/\\\\\"}\""
shift
;;
--set-val)
- set_var "CONFIG_$ARG" "CONFIG_$ARG=$1"
+ set_var "${CONFIG_}$ARG" "${CONFIG_}$ARG=$1"
shift
;;
+ --undefine|-u)
+ undef_var "${CONFIG_}$ARG"
+ ;;
--state|-s)
- if grep -q "# CONFIG_$ARG is not set" $FN ; then
+ if grep -q "# ${CONFIG_}$ARG is not set" $FN ; then
echo n
else
- V="$(grep "^CONFIG_$ARG=" $FN)"
+ V="$(grep "^${CONFIG_}$ARG=" $FN)"
if [ $? != 0 ] ; then
echo undef
else
- V="${V/#CONFIG_$ARG=/}"
+ V="${V/#${CONFIG_}$ARG=/}"
V="${V/#\"/}"
V="${V/%\"/}"
V="${V//\\\"/\"}"
@@ -135,15 +163,15 @@ while [ "$1" != "" ] ; do
;;
--enable-after|-E)
- set_var "CONFIG_$B" "CONFIG_$B=y" "CONFIG_$A"
+ set_var "${CONFIG_}$B" "${CONFIG_}$B=y" "${CONFIG_}$A"
;;
--disable-after|-D)
- set_var "CONFIG_$B" "# CONFIG_$B is not set" "CONFIG_$A"
+ set_var "${CONFIG_}$B" "# ${CONFIG_}$B is not set" "${CONFIG_}$A"
;;
--module-after|-M)
- set_var "CONFIG_$B" "CONFIG_$B=m" "CONFIG_$A"
+ set_var "${CONFIG_}$B" "${CONFIG_}$B=m" "${CONFIG_}$A"
;;
# undocumented because it ignores --file (fixme)