linux-wlan-ng/Configure

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#!/bin/sh
# Copied almost in its entirety from pcmcia-cs, credits to David Hinds
# TODO: Since we're dependent on configured pcmcia source, we should change
# this such that it will ask for the pcmcia source dir and then read
# all our stuff from pcmcia/config.mk. Would simplify alot of things.
#
fail ()
{
echo ""
echo "Configuration failed"
echo ""
exit 1
}
if [ -r config.out ]; then
. ./config.out 2> /dev/null
else
if [ ! -r config.in ]; then
echo "config.in does not exist!"
fail
fi
. ./config.in
fi
PROMPT=y
arg () {
VALUE="`echo X"$2" | sed -e 's/^X--[a-zA-Z_]*=//'`"
eval $1=\"$VALUE\"
}
usage () {
echo "usage: $0 "
exit 1
}
#=======================================================================
CONFIG=config.new
CONFIG_MK=config.mk
rm -f .prereq.ok $CONFIG $CONFIG_MK $MODVER
cat << 'EOF' > $CONFIG
#
# Automatically generated by 'make config' -- don't edit!
#
EOF
write_bool() {
value=`eval echo '$'$1`
if [ "$value" = "y" ] ; then
echo "$1=y" >> $CONFIG
echo "$1=y" >> $CONFIG_MK
else
echo "# $1 is not defined" >> $CONFIG
echo "# $1 is not defined" >> $CONFIG_MK
fi
}
write_str () {
value=`eval echo '$'$1`
echo "$1"=\"$value\" >> $CONFIG
echo "$1=$value" >> $CONFIG_MK
}
prompt () {
eval $3=\"$2\"
if [ "$PROMPT" = "y" ] ; then
/bin/echo "$1 [$2]: \c"
read tmp
if [ -n "$tmp" ] ; then eval $3=\"$tmp\" ; fi
else
/bin/echo "$1 [$2]"
fi
}
ask_bool () {
default=`eval echo '$'$2`
if [ ! "$default" ] ; then default=n ; fi
answer=""
while [ "$answer" != "n" -a "$answer" != "y" ] ; do
prompt "$1 (y/n)" "$default" answer
done
eval "$2=$answer"
write_bool $2
}
ask_str () {
default=`eval echo '$'$2`
prompt "$1" "`echo $default`" answer
eval $2=\"$answer\"
write_str $2
}
#=======================================================================
echo ""
echo "---------------- Linux WLAN Configuration Script -------------"
echo ""
echo "The default responses are correct for most users."
echo ""
# Collect the kernel source tree and test for sanity
ask_str "Linux source directory" LINUX_SRC
if [ ! -f $LINUX_SRC/Makefile ] ; then
echo "Linux source tree $LINUX_SRC is incomplete or missing!"
if [ -d $LINUX_SRC/include/linux ] ; then
echo " The kernel header files are present, but not " \
"the full source code."
fi
echo " See the HOWTO for a list of FTP sites for current" \
"kernel sources."
fail
fi
# What kernel are we compiling for?
version () {
expr $1 \* 65536 + $2 \* 256 + $3
}
echo ""
for TAG in VERSION PATCHLEVEL SUBLEVEL EXTRAVERSION ; do
eval `sed -ne "/^$TAG/s/[ ]//gp" $LINUX_SRC/Makefile`
done
SRC_RELEASE=$VERSION.$PATCHLEVEL.$SUBLEVEL$EXTRAVERSION
VERSION_CODE=`version $VERSION $PATCHLEVEL $SUBLEVEL`
echo "The kernel source tree is version $SRC_RELEASE."
if [ $VERSION_CODE -lt `version 2 0 0` ] ; then
echo "This package requires at least a 2.0 series kernel."
fail
fi
CUR_RELEASE=`uname -r`
if [ "$SRC_RELEASE" != "$CUR_RELEASE" ] ; then
echo "WARNING: the current kernel is actually version $CUR_RELEASE."
fi
ARCH=`uname -m | sed -e 's/i.86/i386/'`
# Check for consistent kernel build dates
CUR_D=`uname -v | sed -e 's/^#[0-9]* //;s/SMP //'`
CUR_D=`echo $CUR_D | sed -e 's/\(:[0-9][0-9]\) .* \([12][90]\)/\1 \2/'`
echo "The current kernel build date is $CUR_D."
UTS_VERSION="unknown";
if [ -f $LINUX_SRC/include/linux/compile.h ] ; then
UTS_VERSION=`grep UTS_VERSION $LINUX_SRC/include/linux/compile.h |
sed -e 's/.*"\(.*\)"/\1/'`
SRC_D=`echo $UTS_VERSION | sed -e 's/^#[0-9]* //;s/SMP //'`
SRC_D=`echo $SRC_D | sed -e 's/\(:[0-9][0-9]\) .* \([12][90]\)/\1 \2/'`
if [ $SRC_RELEASE = $CUR_RELEASE -a "$SRC_D" != "$CUR_D" ] ; then
echo "WARNING: the source tree has a build date of $SRC_D."
if [ `date -d "$SRC_D" +%s` -gt `date -d "$CUR_D" +%s` ] ; then
echo " Did you forget to install your new kernel?!?"
fi
fi
fi
echo ""
# PCMCIA Source dir
PCMCIA_SRC=`/sbin/cardctl -V 2>&1 | sed -e 's/cardctl version //'`
PCMCIA_SRC=/usr/src/pcmcia-cs-$PCMCIA_SRC
ask_str "pcmcia-cs source dir" PCMCIA_SRC
# Alternate install dir
ask_str "Alternate target install directory" PREFIX
DESTDIR=$PREFIX
write_str DESTDIR
# Start looking for the destination module dir
MODDIR=$MODULES_DIR
if [ ! "$MODDIR" ] ; then
if [ -d /lib/modules/preferred ] ; then
MODDIR=/lib/modules/preferred
else
MODDIR=/lib/modules/$SRC_RELEASE
fi
else
MODDIR=`echo $MODDIR | \
sed -e "s/[0-9]\.[0-9]\.[0-9]*\(-[A-Za-z0-9]*\)*/$SRC_RELEASE/"`
fi
ask_str " Module install directory" MODDIR
MODULES_DIR=$MODDIR
write_str MODULES_DIR
# PCMCIA script dir
ask_str "PCMCIA script directory" PCMCIA_DIR
# Just write some out (we're not prompting right now)
write_str INST_EXEDIR
#=======================================================================
# How should the startup scripts be configured?
echo ""
if [ "$PREFIX" = "" ] ; then
if [ -d /etc/rc.d/init.d -o -d /etc/init.d -o -d /sbin/init.d ] ; then
echo "It looks like you have a System V init file setup."
SYSV_INIT=y
if [ -d /etc/rc.d/init.d ] ; then
echo "RC_DIR=/etc/rc.d" >> $CONFIG
echo "RC_DIR=/etc/rc.d" >> $CONFIG_MK
elif [ -d /sbin/init.d ] ; then
echo "RC_DIR=/sbin" >> $CONFIG
echo "RC_DIR=/sbin" >> $CONFIG_MK
else
echo "RC_DIR=/etc" >> $CONFIG
echo "RC_DIR=/etc" >> $CONFIG_MK
fi
else
echo "It looks like you have a BSD-ish init file setup."
if ! grep rc.wlan /etc/rc.d/rc.S >/dev/null ; then
echo " You'll need to edit /etc/rc.d/rc.S to invoke" \
"/etc/rc.d/rc.wlan (for ISA/PCMCIA cards)"
echo " so that wlan cards will be started at boot time."
fi
SYSV_INIT=
fi
write_bool SYSV_INIT
else
ask_bool "System V init script layout" SYSV_INIT
if [ "$SYSV_INIT" = "y" ] ; then
ask_str "Top-level directory for RC scripts" RC_DIR
fi
fi
if [ ! -x /sbin/depmod ] ; then INSTALL_DEPMOD=n ; fi
write_bool INSTALL_DEPMOD
echo ""
#=======================================================================
mv $CONFIG config.out
touch .prereq.ok
echo ""
echo "Configuration successful."
echo ""