diff options
Diffstat (limited to 'scripts/gen-compat-autoconf.sh')
| -rwxr-xr-x | scripts/gen-compat-autoconf.sh | 210 |
1 files changed, 0 insertions, 210 deletions
diff --git a/scripts/gen-compat-autoconf.sh b/scripts/gen-compat-autoconf.sh deleted file mode 100755 index c9ab9da7..00000000 --- a/scripts/gen-compat-autoconf.sh +++ /dev/null @@ -1,210 +0,0 @@ -#!/usr/bin/env bash -# -# Copyright 2007 Luis R. Rodriguez <mcgrof@winlab.rutgers.edu> -# -# Use this to parse a small .config equivalent looking file to generate -# our own autoconf.h. This file has defines for each config option -# just like the kernels include/linux/autoconf.h -# -# XXX: consider using scripts/kconfig/confdata.c instead. -# On the downside this would require the user to have libc though. - -# This indicates which is the oldest kernel we support -# Update this if you are adding support for older kernels. -OLDEST_KERNEL_SUPPORTED="2.6.24" -COMPAT_RELEASE=".compat_version" -KERNEL_RELEASE=".compat_base_tree_version" -MULT_DEP_FILE=".compat_pivot_dep" - -if [ $# -ne 2 ]; then - echo "Usage $0 <generic-compat-config-file> <compat-drivers-config-file>" - exit -fi - -COMPAT_CONFIG_1="$1" -COMPAT_CONFIG_2="$2" - -if [[ ! -f $COMPAT_CONFIG_1 || ! -f $COMPAT_CONFIG_2 ]]; then - echo "File $COMPAT_CONFIG_1 and $COMPAT_CONFIG_2 files must be present" - exit -fi - -if [ ! -f $COMPAT_RELEASE -o ! -f $KERNEL_RELEASE ]; then - echo "Error: $COMPAT_RELEASE or $KERNEL_RELEASE file is missing" - exit -fi - -CREL=$(cat $COMPAT_RELEASE | tail -1) -KREL=$(cat $KERNEL_RELEASE | tail -1) -DATE=$(date) - -# Defines a CONFIG_ option if not defined yet, this helps respect -# linux/autoconf.h -function define_config { - VAR=$1 - VALUE=$2 - case $VALUE in - n) # Try to undefine it - echo "#undef $VAR" - ;; - y) - echo "#ifndef $VAR" - echo "#define $VAR 1" - echo "#endif /* $VAR */ " - ;; - m) - echo "#ifndef $VAR" - echo "#define $VAR 1" - echo "#endif /* $VAR */ " - ;; - [0-9]*) - # Leave integers as is - echo "#ifndef $VAR" - echo "#define $VAR $VALUE" - echo "#endif /* $VAR */ " - ;; - *) - # Escape every other thing with double quotes - echo "#ifndef $VAR" - echo "#define $VAR \"$VALUE\"" - echo "#endif /* $VAR */ " - ;; - - esac -} - -# This deals with core compat-drivers kernel requirements. -function define_config_req { - VAR=$1 - echo "#ifndef $VAR" - echo -n "#error Compat-drivers requirement: $VAR must be enabled " - echo "in your kernel" - echo "#endif /* $VAR */" -} - -# This handles modules which have dependencies from the kernel -# which compat-drivers isn't providing yet either because -# the dependency is not available as kernel module or -# the module simply isn't provided by compat-drivers. -function define_config_dep { - VAR=$1 - VALUE=$2 - DEP=$3 - WARN_VAR="COMPAT_WARN_$VAR" - echo "#ifdef $DEP" - define_config $VAR $VALUE - echo "#else" - # XXX: figure out a way to warn only once - # define only once in case user tried to enable config option - # twice in config.mk - echo "#ifndef $WARN_VAR" - # Lets skip these for now.. they might be too annoying - #echo "#warning Skipping $VAR as $DEP was needed... " - #echo "#warning This just means $VAR won't be built and is not fatal." - echo "#define $WARN_VAR" - echo "#endif /* $VAR */" - echo "#endif /* $WARN_VAR */" -} - -# This handles options which have *multiple* dependencies from the kernel -function define_config_multiple_deps { - VAR=$1 - VALUE=$2 - DEP_ARRAY=$3 - - # First, put all ifdefs - for i in $(cat $MULT_DEP_FILE); do - echo "#ifdef $i" - done - - # Now put our option in the middle - define_config $VAR $VALUE - - # Now close all ifdefs - # First, put all ifdefs - for i in $(cat $MULT_DEP_FILE); do - echo "#endif" - done - -} - -function kernel_version_req { - VERSION=$(echo $1 | sed -e 's/\./,/g') - echo "#if (LINUX_VERSION_CODE < KERNEL_VERSION($VERSION))" - echo "#error Compat-wireless requirement: Linux >= $VERSION" - echo "#endif /* (LINUX_VERSION_CODE < KERNEL_VERSION($VERSION) */ " -} - -cat <<EOF -#ifndef COMPAT_AUTOCONF_INCLUDED -#define COMPAT_AUTOCONF_INCLUDED -/* - * Automatically generated C config: don't edit - * $DATE - * compat-drivers: $CREL - * linux: $KREL - */ -#define COMPAT_RELEASE "$CREL" -#define COMPAT_KERNEL_RELEASE "$KREL" -EOF - -# Checks user is compiling against a kernel we support -kernel_version_req $OLDEST_KERNEL_SUPPORTED - -# For each CONFIG_FOO=x option -for i in $(egrep -h '^export CONFIG_|^ifdef CONFIG_|^ifndef CONFIG_|^endif #CONFIG_|^else #CONFIG_' $COMPAT_CONFIG_1 $COMPAT_CONFIG_2 | \ - sed 's/export //' | \ - sed 's/ /+/'); do - case $i in - 'ifdef+CONFIG_'* ) - echo "#$i" | sed -e 's/+/ /' -e 's/\(ifdef CONFIG_COMPAT_KERNEL_3_\)\([0-9]*\)/if (LINUX_VERSION_CODE < KERNEL_VERSION(3,\2,0))/' -e 's/\(ifdef CONFIG_COMPAT_KERNEL_2_6_\)\([0-9]*\)/if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,\2))/' -e 's/\(ifdef CONFIG_COMPAT_RHEL_\)\([0-9]*\)_\([0-9]*\)/if (defined(RHEL_MAJOR) \&\& RHEL_MAJOR == \2 \&\& RHEL_MINOR >= \3)/' -e 's/\(#ifdef \)\(CONFIG_[^:space:]*\)/#if defined(\2) || defined(\2_MODULE)/' - continue - ;; - 'ifndef+CONFIG_'* ) - echo "#$i" | sed -e 's/+/ /' -e 's/\(ifndef CONFIG_COMPAT_KERNEL_3_\)\([0-9]*\)/if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,\2,0))/' -e 's/\(ifndef CONFIG_COMPAT_KERNEL_2_6_\)\([0-9]*\)/if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,\2))/' -e 's/\(ifndef CONFIG_COMPAT_RHEL_\)\([0-9]*\)_\([0-9]*\)/if (!defined(RHEL_MAJOR) || RHEL_MAJOR != \2 || RHEL_MINOR < \3)/' -e 's/\(#ifndef \)\(CONFIG_[^:space:]*\)/#if !defined(\2) \&\& !defined(\2_MODULE)/' - continue - ;; - 'else+#CONFIG_'* | 'endif+#CONFIG_'* ) - echo "#$i */" |sed -e 's/+#/ \/* /g' - continue - ;; - CONFIG_* ) - # Get the element on the left of the "=" - VAR=$(echo $i | cut -d"=" -f 1) - # Get the element on the right of the "=" - VALUE=$(echo $i | cut -d"=" -f 2) - - # Handle core kernel module depenencies here. - case $VAR in - # ignore this, we have a special hanlder for this at the botttom - # instead. We still need to keep this in config.mk to let Makefiles - # know its enabled so just ignore it here. - CONFIG_MAC80211_QOS) - continue - ;; - esac - # Any other module which can *definitely* be built as a module goes here - define_config $VAR $VALUE - continue - ;; - esac -done - -# Deal with special cases. CONFIG_MAC80211_QOS is such a case. -# We handle this specially for different kernels we support. -if [ -f $KLIB_BUILD/Makefile ]; then - MAJORLEVEL=$(make -C $KLIB_BUILD kernelversion | sed -n 's/^\([0-9]\)\..*/\1/p') - SUBLEVEL=$(make -C $KLIB_BUILD kernelversion | sed -n 's/^\(2\.6\|[3-9]\)\.\([0-9]\+\).*/\2/p') - if [ $MAJORLEVEL -eq 2 -a $SUBLEVEL -le 22 ]; then - define_config CONFIG_MAC80211_QOS y - else # kernel >= 2.6.23 - # CONFIG_MAC80211_QOS on these kernels requires - # CONFIG_NET_SCHED and CONFIG_NETDEVICES_MULTIQUEUE - rm -f $MULT_DEP_FILE - echo CONFIG_NET_SCHED >> $MULT_DEP_FILE - echo CONFIG_NETDEVICES_MULTIQUEUE >> $MULT_DEP_FILE - define_config_multiple_deps CONFIG_MAC80211_QOS y $ALL_DEPS - rm -f $MULT_DEP_FILE - fi -fi -echo "#endif /* COMPAT_AUTOCONF_INCLUDED */" |