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# --- SDE-COPYRIGHT-NOTE-BEGIN ---
# This copyright note is auto-generated by ./scripts/Create-CopyPatch.
#
# Filename: package/.../linux26/linux-conf.in
# Copyright (C) 2006 - 2008 The OpenSDE Project
# Copyright (C) 2004 - 2006 The T2 SDE Project
# Copyright (C) 1998 - 2003 Clifford Wolf
#
# More information can be found in the files COPYING and README.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; version 2 of the License. A copy of the
# GNU General Public License can be found in the file COPYING.
# --- SDE-COPYRIGHT-NOTE-END ---
treever=${pkg/linux/} ; treever=${treever/-*/}
[ "$lx_cpu" ] ||
# powerpc and mips share the same arch for 32/64, maybe more follow
lx_cpu=`echo $arch | arch2uname | sed -e s/ppc.*/powerpc/ -e s/mips64/mips/`
lx_arch=`echo $lx_cpu | sed 's/i386/x86/;s/x86_64/x86/;s/ppc.*/powerpc/'`
lx_subarch=`echo $lx_cpu | sed 's/i.86/i386/;s/sun4u/sparc64/;\
s/arm.*/arm/;s/sa110/arm/;\
s/s390x/s390/;s/parisc64/parisc/;\
s/ppc.*/powerpc/;s/mips.*/mips/'`
lx_extraversion=
lx_kernelrelease=
lx_customconf="\$base/config/$config/linux.cfg"
# $lx_mergedarch is 1 if the kernel has x86 and x86_64 arches merged
lx_mergedarch=
ver_n=0
for x in $( echo "$ver" | cut -d. -f1-3 | tr '.' ' ' ); do
ver_n=$( expr $ver_n \* 1000 + $x )
done
if [ $ver_n -ge 2006024 ]; then
lx_mergedarch=1
fi
# $lx_confmerge list of config snaps gets merged to .config.3 on auto_config()
#
lx_confmerge=
for x in $base/config/$config/linux.cfg \
$( get_expanded $base/target/%/kernel${treever}.conf `get_reverted $targetchain` ) \
$( get_expanded $base/target/%/kernel.conf `get_reverted $targetchain` ); do
if [ -f "$x" ]; then
var_append lx_confmerge ' ' "$x"
fi
done
# $lx_confscripts list of scripts to alter .config.2 generating .config.3 on auto_config()
lx_confscripts=
for x in $base/target/$target/kernel$treever.conf.sh \
$base/target/$target/kernel.conf.sh ; do
if [ -f "$x" ]; then
var_append lx_confscripts ' ' "$x"
break
fi
done
# inject a possible pre-/ post-release patch
# we filter out .tar`s to avoid trouble with the linuxsh kernel drop-in trees
var_insert patchfiles " " "`match_source_file patch-.* | grep -v '\.tar\.'`"
#makeopt=`echo $makeopt | sed -n 's/.*\(-j[^ ]*\).*/\1/p'`
makeopt=
# we need +1 to really saturate the CPUs during the kernel build
[ $SDECFG_PARALLEL_MAX -gt 1 ] &&
var_append makeopt ' ' -j$(( $SDECFG_PARALLEL_MAX + 1 ))
if [ $lx_mergedarch = 1 ]; then
var_append makeopt ' ' "ARCH=$lx_arch CROSS_COMPILE=$archprefix KCC=$KCC"
else
var_append makeopt ' ' "ARCH=$lx_cpu CROSS_COMPILE=$archprefix KCC=$KCC"
fi
makeinstopt="$makeopt"
auto_config_merge() {
local rules="$1" tag=
echo " merging: '$rules'" >&2
tag="$(sed '/CONFIG_/ ! d; s,.*CONFIG_\([^ =]*\).*,\1,' \
"$rules" | tr '\n' '|')"
egrep -v "\bCONFIG_($tag)\b" < .config
sed 's,\(CONFIG_.*\)=n,# \1 is not set,' "$rules"
}
auto_config() {
local x= loop=
# get defconfig (.config.0)
#
echo "Creating linux default config"
if [ -f arch/$lx_cpu/defconfig ]; then
cp arch/$lx_cpu/defconfig .config
cp .config{,.0}
else
cp arch/$lx_arch/configs/${lx_subarch}_defconfig .config
cp .config{,.0}
fi
# architecture specific configuration (will be merged)
x=$( ls -1 $base/package/*/linux26/arch/config.$arch.sh 2> /dev/null | head -n 1)
if [ -f "$x" ]; then
sh "$x" "$ver" > .config.$arch
else
echo_warning "No config scripts found for this architecture ($arch)."
echo > .config.$arch
fi
if [ -s .config.$arch ]; then
# apply $arch specific rules
#
for loop in 1 2; do
auto_config_merge .config.$arch > .config.1.$loop.0
cp .config{.1.$loop.0,}
# create a valid .config
#
yes '' | eval $MAKE $makeopt oldconfig > /dev/null ; cp .config{,.1.$loop}
done
fi
# all modules needs to be first so modules can be disabled by i.e.
# the targets later
echo "Enabling all modules ..."
yes '' | eval $MAKE $makeopt no2modconfig > /dev/null ; cp .config{,.2}
# for "safety" we will apply the config twice, so hidden options have time
# to appear
#
for loop in 1 2; do
# call scripts to tweak the config file
#
for x in $lx_confscripts ; do
echo " running: $x"
sh $x .config
done
cp .config{,.3.$loop}
# merge various text/plain config files
#
for x in $lx_confmerge; do
if [ -f $x ] ; then
auto_config_merge "$x" > .config.4.$loop
cp .config{.4.$loop,}
else
echo_warning "Can't find '${x#$base/}' for merging."
fi
done
# create a valid .config
#
yes '' | eval $MAKE $makeopt oldconfig > /dev/null ; cp .config{,.5.$loop}
done
# last disable broken stuff
#
rm -f /tmp/$$.sed
list="CONFIG_THIS_DOES_NOT_EXIST"
for x in $pkg_linux_brokenfiles ; do
if [ -f "$x" ] ; then
echo "Disable broken file: $x"
list="$list `tr ' ' '\t' < $x | cut -f1 | grep '^CONFIG_'`"
fi
done
for x in $list ; do
echo "s,^$x=.\$,# $x is not set,;" >> /tmp/$$.sed
done
sed -f /tmp/$$.sed < .config > .config.6
rm -f /tmp/$$.sed
cp .config{.6,}
# create a valid .config (dependencies might need to be disabled)
yes '' | eval $MAKE $makeopt oldconfig > /dev/null
# save final config (with modules)
cp .config{,_modules}
echo "Creating config without modules ...."
sed "s,\(CONFIG_.*\)=m,# \1 is not set," .config > .config_new
mv .config_new .config
# create a valid .config (dependencies might need to be disabled)
yes '' | eval $MAKE $makeopt oldconfig > /dev/null
mv .config .config_nomods
# which .config to use?
if [ "$SDECFG_PKG_LINUX_CONFIG_STYLE" = "modules" ] ; then
cp .config{_modules,}
else
cp .config{_nomods,}
fi
}
lx_grabextraversion () {
local ev
ev=$( sed -n -e 's,^[ \t]*EXTRAVERSION[ \t]*=[ \t]*\([^ \t]*\),\1,p' Makefile | tail -n 1 )
if [ "$ev" ]; then
lx_extraversion="${lx_extraversion}${ev}"
# keep intact but commented since the second EXTRAVERSION
# definition, and clean the first.
sed -i -e 's,^\([ \t]*EXTRAVERSION[ \t]*=.*\),#\1,g' \
-e 's,^#\(EXTRAVERSION =\).*,\1,' Makefile
fi
}
lx_injectextraversion () {
local version_header=linux/version.h
local rerun=
if [ -f include/linux/utsrelease.h ]; then
version_header=linux/utsrelease.h
fi
# inject final EXTRAVERSION into Makefile
sed -i -e "s,^\([ \t]*EXTRAVERSION[ \t]*\)=.*,\1= ${lx_extraversion},g" Makefile
# update version.h - we only do this, because some other freaky
# projects like rsbac change EXTRAVERSION in other Makefiles ...
eval $MAKE $makeopt include/$version_header | grep -q "is up to date" && rerun=1
if [ "$rerun" ] ; then
echo "WARNING: Your system's timer resolution is too low ..."
sleep 1 ; touch Makefile
eval $MAKE $makeopt include/$version_header
fi
# get kernel_release
rerun=1
while true; do
lx_kernelrelease="$( echo -e "#include <$version_header>\nUTS_RELEASE" |
gcc -E -I./include - | tail -n 1 | cut -d '"' -f 2 )"
if [ -z "$lx_kernelrelease" -a "$rerun" ]; then
$MAKE $makeopt .kernelrelease include/$version_header
rerun= ; continue
fi
break
done
[ $lx_kernelrelease ] || abort "Could not grab final kernel version!"
}
lx_filter_patch ()
{
pref=`sed -n '/^-EXTRAVERSION =/ {
s/^-EXTRAVERSION =//p
q }' $1`
sed -e "s/^-EXTRAVERSION =.*/-EXTRAVERSION =/" \
-e "s/^+EXTRAVERSION = *$pref/+EXTRAVERSION = /" $1
}
lx_patch ()
{
echo "Generic linux patching ..."
# grab extraversion from vanilla
lx_grabextraversion
hook_eval prepatch
apply_patchfiles lx_grabextraversion lx_filter_patch
hook_eval postpatch
# some arches (sh64 at the time of writing) have a "defect" Makefile
# and do not work without a .config ...
touch .config
echo "Redefining VERSION ..."
lx_extraversion="${lx_extraversion}-dist"
lx_injectextraversion
echo "... linux source patching for ${lx_extraversion} finished."
echo "Correcting user and permissions ..."
chown -R root:root . ; chmod -R u=rwX,go=rX .
if [[ $treever = 24* ]] ; then
echo "Create symlinks and a few headers for <$lx_cpu> ... "
eval $MAKE $makeopt symlinks
cp $base/package/*/linux24/autoconf.h include/linux/
touch include/linux/modversions.h
elif [ "$lx_kernelrelease" != "UTS_RELEASE" ]; then
echo "Create symlinks and a few headers for <$lx_cpu> ... "
eval $MAKE $makeopt include/asm
fi
echo "Clean up the *.orig and *~ files ... "
rm -f .config.old
find -name '*.orig' -o -name '*~' | xargs rm -f
}
lx_config() {
echo "Generic linux configuration ..."
hook_eval preconf
if [ "$SDECFG_PKG_LINUX_CONFIG_STYLE" = none ] ; then
echo "Using $lx_customconf."
echo "Since automatic generation is disabled ..."
eval cp -v $lx_customconf .config || true
else
echo "Automatically creating default configuration ...."
auto_config
fi
if [ "$lx_kernelrelease" == "UTS_RELEASE" ]; then
# we have to run make prepare
eval $MAKE $makeopt prepare
fi
# regrab the version
lx_injectextraversion
[ "$lx_kernelrelease" != "UTS_RELEASE" ] ||
abort "Unable to detect kernel release version!"
echo "... configuration of $lx_kernelrelease finished!"
}
pkg_linux_brokenfiles="$base/architecture/$arch/kernel$treever-disable.lst \
$base/package/*/linux$treever/disable-broken.lst \
$pkg_linux_brokenfiles"