-#!/bin/sh
+#! /bin/sh
#
-# This script was hacked from the one used to configure the linux kernel.
+# This script is used to configure the Linux kernel.
#
-
-. scripts/preconfigure
+# It was inspired by the challenge in the original Configure script
+# to ``do something better'', combined with the actual need to ``do
+# something better'' because the old configure script wasn't flexible
+# enough.
+#
+# Raymond Chen was the original author of Configure.
+# Michael Elizabeth Chastain (mec@shout.net) is the current maintainer.
+#
+# 050793 - use IFS='@' to get around a bug in a pre-version of bash-1.13
+# with an empty IFS.
+#
+# 030995 (storner@osiris.ping.dk) - added support for tri-state answers,
+# for selecting modules to compile.
+#
+# 180995 Bernhard Kaindl (bkaindl@ping.at) - added dummy functions for
+# use with a config.in modified for make menuconfig.
+#
+# 301195 (boldt@math.ucsb.edu) - added help text support
+#
+# 281295 Paul Gortmaker - make tri_state functions collapse to boolean
+# if module support is not enabled.
+#
+# 010296 Aaron Ucko (ucko@vax1.rockhurst.edu) - fix int and hex to accept
+# arbitrary ranges
+#
+# 150296 Dick Streefland (dicks@tasking.nl) - report new configuration
+# items and ask for a value even when doing a "make oldconfig"
+#
+# 200396 Tom Dyas (tdyas@eden.rutgers.edu) - when the module option is
+# chosen for an item, define the macro <option_name>_MODULE
+#
+# 090397 Axel Boldt (boldt@math.ucsb.edu) - avoid ? and + in regular
+# expressions for GNU expr since version 1.15 and up use \? and \+.
+#
+# 300397 Phil Blundell (pjb27@cam.ac.uk) - added support for min/max
+# arguments to "int", allow dep_tristate to take a list of dependencies
+# rather than just one.
+#
+# 090398 Axel Boldt (boldt@math.ucsb.edu) - allow for empty lines in help
+# texts.
+#
+# 102598 Michael Chastain (mec@shout.net) - put temporary files in
+# current directory, not in /tmp.
+#
+# 24 January 1999, Michael Elizabeth Chastain, <mec@shout.net>
+# - Improve the exit message (Jeff Ronne).
#
# Make sure we're really running bash.
# help variable
#
function help () {
- if [ -f scripts/Configure.help ]
+ if [ -f Documentation/Configure.help ]
then
#first escape regexp special characters in the argument:
var=$(echo "$1"|sed 's/[][\/.^$*]/\\&/g')
#now pick out the right help text:
text=$(sed -n "/^$var[ ]*\$/,\${
- /^$var[ ]*\$/b
- /^#.*/b
- /^[ ]*\$/q
+ /^$var[ ]*\$/c\\
+${var}:\\
+
+ /^#/b
+ /^[^ ]/q
p
- }" scripts/Configure.help)
+ }" Documentation/Configure.help)
if [ -z "$text" ]
then
echo; echo " Sorry, no help available for this option yet.";echo
else
- (echo; echo "$text"; echo) | ${PAGER:-more}
+ (echo; echo "$text") | ${PAGER:-more}
fi
else
echo;
- echo " Can't access the file scripts/Configure.help which"
+ echo " Can't access the file Documentation/Configure.help which"
echo " should contain the help texts."
echo
fi
else
echo -n "$1"
[ -z "$3" ] && echo -n "(NEW) "
- IFS='@' read ans </dev/tty || exit 1
+ IFS='@' read ans || exit 1
[ -z "$ans" ] && ans=$2
fi
}
# define_bool define value
#
function define_bool () {
+ define_tristate $1 $2
+}
+
+function define_tristate () {
case "$2" in
"y")
echo "$1=y" >>$CONFIG
while :; do
readln "$1 ($2) [$defprompt] " "$def" "$old"
case "$ans" in
- [yY] | [yY]es ) define_bool "$2" "y"
+ [yY] | [yY]es ) define_tristate "$2" "y"
break ;;
- [nN] | [nN]o ) define_bool "$2" "n"
+ [nN] | [nN]o ) define_tristate "$2" "n"
break ;;
- [mM] ) define_bool "$2" "m"
+ [mM] ) define_tristate "$2" "m"
break ;;
* ) help "$2"
;;
#
# dep_tristate processes a tristate argument that depends upon
-# another option. If the option we depend upon is a module,
-# then the only allowable options are M or N. If Y, then
+# another option or options. If any of the options we depend upon is a
+# module, then the only allowable options are M or N. If all are Y, then
# this is a normal tristate. This is used in cases where modules
# are nested, and one module requires the presence of something
# else in the kernel.
#
-# tristate question define default
+# dep_tristate question define default ...
#
function dep_tristate () {
old=$(eval echo "\${$2}")
def=${old:-'n'}
- if [ "$3" = "n" ]; then
- define_bool "$2" "n"
- elif [ "$3" = "y" ]; then
- tristate "$1" "$2"
- else
+ ques=$1
+ var=$2
+ need_module=0
+ shift 2
+ while [ $# -gt 0 ]; do
+ case "$1" in
+ n)
+ define_tristate "$var" "n"
+ return
+ ;;
+ m)
+ need_module=1
+ ;;
+ esac
+ shift
+ done
+
+ if [ $need_module = 1 ]; then
if [ "$CONFIG_MODULES" = "y" ]; then
case "$def" in
"y" | "m") defprompt="M/n/?"
;;
esac
while :; do
- readln "$1 ($2) [$defprompt] " "$def" "$old"
+ readln "$ques ($var) [$defprompt] " "$def" "$old"
case "$ans" in
- [nN] | [nN]o ) define_bool "$2" "n"
+ [nN] | [nN]o ) define_tristate "$var" "n"
break ;;
- [mM] ) define_bool "$2" "m"
+ [mM] ) define_tristate "$var" "m"
break ;;
[yY] | [yY]es ) echo
echo " This answer is not allowed, because it is not consistent with"
echo " as a module as well (with M) or leave it out altogether (N)."
echo
;;
- * ) help "$2"
+ * ) help "$var"
;;
esac
done
fi
+ else
+ tristate "$ques" "$var"
fi
}
+function dep_bool () {
+ ques=$1
+ var=$2
+ shift 2
+ while [ $# -gt 0 ]; do
+ case "$1" in
+ m | n)
+ define_bool "$var" "n"
+ return
+ ;;
+ esac
+ shift
+ done
+
+ bool "$ques" "$var"
+}
+
+function dep_mbool () {
+ ques=$1
+ var=$2
+ shift 2
+ while [ $# -gt 0 ]; do
+ case "$1" in
+ n)
+ define_bool "$var" "n"
+ return
+ ;;
+ m)
+ eval "$var=y"
+ ;;
+ esac
+ shift
+ done
+
+ bool "$ques" "$var"
+}
+
#
# define_int sets the value of a integer argument
#
}
#
-# int processes an integer argument
+# int processes an integer argument with optional limits
+#
+# int question define default [min max]
#
-# int question define default
-# GNU expr changed handling of ?. In older versions you need ?,
-# in newer you need \?
-OLD_EXPR=`expr "0" : '0\?'`
-if [ $OLD_EXPR -eq 1 ]; then
- INT_EXPR='0$\|-\?[1-9][0-9]*$'
-else
- INT_EXPR='0$\|-?[1-9][0-9]*$'
-fi
function int () {
old=$(eval echo "\${$2}")
def=${old:-$3}
+ if [ $# -gt 3 ]; then
+ min=$4
+ else
+ min=-10000000 # !!
+ fi
+ if [ $# -gt 4 ]; then
+ max=$5
+ else
+ max=10000000 # !!
+ fi
while :; do
readln "$1 ($2) [$def] " "$def" "$old"
- if expr "$ans" : $INT_EXPR > /dev/null; then
- define_int "$2" "$ans"
+ if expr \( \( $ans + 0 \) \>= $min \) \& \( $ans \<= $max \) >/dev/null 2>&1 ; then
+ define_int "$2" "$ans"
break
- else
+ else
help "$2"
- fi
+ fi
done
}
+
#
# define_hex sets the value of a hexadecimal argument
#
done
}
+#
+# define_string sets the value of a string argument
+#
+# define_string define value
+#
+function define_string () {
+ echo "$1=\"$2\"" >>$CONFIG
+ echo "#define $1 \"$2\"" >>$CONFIG_H
+ eval "$1=\"$2\""
+}
+
+#
+# string processes a string argument
+#
+# string question define default
+#
+function string () {
+ old=$(eval echo "\${$2}")
+ def=${old:-$3}
+ readln "$1 ($2) [$def] " "$def" "$old"
+ define_string "$2" "$ans"
+}
#
# choice processes a choice list (1-out-of-n)
#
echo "/*" > $CONFIG_H
echo " * Automatically generated C config: don't edit" >> $CONFIG_H
echo " */" >> $CONFIG_H
+echo "#define AUTOCONF_INCLUDED" >> $CONFIG_H
DEFAULT=""
if [ "$1" = "-d" ] ; then
shift
fi
-CONFIG_IN=./scripts/config.in
+CONFIG_IN=./config.in
if [ "$1" != "" ] ; then
CONFIG_IN=$1
fi
-DEFAULTS=./scripts/config.dist
+DEFAULTS=arch/$ARCH/defconfig
if [ -f .config ]; then
DEFAULTS=.config
fi
echo "# Using defaults found in" $DEFAULTS
echo "#"
. $DEFAULTS
- sed -e 's/# \(.*\) is not.*/\1=n/' < $DEFAULTS > /tmp/conf.$$
- . /tmp/conf.$$
- rm /tmp/conf.$$
+ sed -e 's/# \(CONFIG_[^ ]*\) is not.*/\1=n/' <$DEFAULTS >.config-is-not.$$
+ . .config-is-not.$$
+ rm .config-is-not.$$
else
echo "#"
echo "# No defaults found"
mv .config .config.old
fi
mv .tmpconfig .config
-mv .tmpconfig.h include/modbuild/config.h
-
-echo
-echo "Makefiles for ${project} should now be configured."
-echo "Run 'make dep ; make' to compile, and then 'make install' to install."
-echo
-echo "If ${project} has never been installed on your system,"
-echo "then run 'make dev' to build the device nodes '/dev/comedi*'."
+mv .tmpconfig.h include/linux/autoconf.h
+
+echo
+echo "*** End of Linux kernel configuration."
+echo "*** Check the top-level Makefile for additional configuration."
+if [ ! -f .hdepend -o "$CONFIG_MODVERSIONS" = "y" ] ; then
+ echo "*** Next, you must run 'make dep'."
+else
+ echo "*** Next, you may run 'make zImage', 'make zdisk', or 'make zlilo'."
+fi
echo
exit 0
projects / comedi.git / commitdiff