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Revision 1.3 Revision 1.23
1# Copyright 1999-2004 Gentoo Foundation 1# Copyright 1999-2004 Gentoo Foundation
2# Distributed under the terms of the GNU General Public License v2 2# Distributed under the terms of the GNU General Public License v2
3# $Header: /var/cvsroot/gentoo-x86/eclass/linux-info.eclass,v 1.3 2004/11/27 11:26:52 johnm Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/linux-info.eclass,v 1.23 2005/04/08 18:42:23 johnm Exp $
4# 4#
5# This eclass provides functions for querying the installed kernel 5# Description: This eclass is used as a central eclass for accessing kernel
6# source version, selected kernel options etc. 6# related information for sources already installed.
7# It is vital for linux-mod to function correctly, and is split
8# out so that any ebuild behaviour "templates" are abstracted out
9# using additional eclasses.
7# 10#
11# Maintainer: John Mylchreest <johnm@gentoo.org>
12# Copyright 2004 Gentoo Linux
13#
14# Please direct your bugs to the current eclass maintainer :)
15
16# A Couple of env vars are available to effect usage of this eclass
17# These are as follows:
18#
19# Env Var Option Description
20# KERNEL_DIR <string> The directory containing kernel the target kernel
21# sources.
22# CONFIG_CHECK <string> a list of .config options to check for before
23# proceeding with the install. ie: CONFIG_CHECK="MTRR"
24# You can also check that an option doesn't exist by
25# prepending it with an exclamation mark (!).
26# ie: CONFIG_CHECK="!MTRR"
27# ERROR_CFG <string> The error message to display when the above check
28# fails. <CFG> should reference the appropriate option
29# as above. ie: MTRR_ERROR="MTRR exists in the .config
30# but shouldn't!!"
31# KBUILD_OUTPUT <string> This is passed on commandline, or can be set from
32# the kernel makefile. This contains the directory
33# which is to be used as the kernel object directory.
34
35# There are also a couple of variables which are set by this, and shouldn't be
36# set by hand. These are as follows:
37#
38# Env Var Option Description
39# KV_FULL <string> The full kernel version. ie: 2.6.9-gentoo-johnm-r1
40# KV_MAJOR <integer> The kernel major version. ie: 2
41# KV_MINOR <integer> The kernel minor version. ie: 6
42# KV_PATCH <integer> The kernel patch version. ie: 9
43# KV_EXTRA <string> The kernel EXTRAVERSION. ie: -gentoo
44# KV_LOCAL <string> The kernel LOCALVERSION concatenation. ie: -johnm
45# KV_DIR <string> The kernel source directory, will be null if
46# KERNEL_DIR is invalid.
47# KV_OUT_DIR <string> The kernel object directory. will be KV_DIR unless
48# koutput is used. This should be used for referencing
49# .config.
50
51# And to ensure all the weirdness with crosscompile
52inherit toolchain-funcs versionator
8 53
9ECLASS=linux-info 54ECLASS=linux-info
10INHERITED="$INHERITED $ECLASS" 55INHERITED="$INHERITED $ECLASS"
56EXPORT_FUNCTIONS pkg_setup
11 57
12# Overwritable environment Var's 58# Overwritable environment Var's
13# --------------------------------------- 59# ---------------------------------------
14KERNEL_DIR="${KERNEL_DIR:-/usr/src/linux}" 60KERNEL_DIR="${KERNEL_DIR:-${ROOT}usr/src/linux}"
15 61
16 62
63# Bug fixes
64# fix to bug #75034
65case ${ARCH} in
66 ppc) BUILD_FIXES="${BUILD_FIXES} TOUT=${T}/.tmp_gas_check";;
67 ppc64) BUILD_FIXES="${BUILD_FIXES} TOUT=${T}/.tmp_gas_check";;
68esac
69
70# These are legacy wrappers for toolchain-funcs.
71# I dont like them here, but oh well.
72set_arch_to_kernel() { export ARCH="$(tc-arch-kernel)"; }
73set_arch_to_portage() { export ARCH="$(tc-arch)"; }
74
75# qeinfo "Message"
76# -------------------
77# qeinfo is a quiet einfo call when EBUILD_PHASE
78# should not have visible output.
79qout() {
80 local outputmsg type
81 type=${1}
82 shift
83 outputmsg="${@}"
84 case "${EBUILD_PHASE}" in
85 depend) unset outputmsg;;
86 clean) unset outputmsg;;
87 preinst) unset outputmsg;;
88 esac
89 [ -n "${outputmsg}" ] && ${type} "${outputmsg}"
90}
91
92qeinfo() { qout einfo "${@}" ; }
93qeerror() { qout eerror "${@}" ; }
17 94
18# File Functions 95# File Functions
19# --------------------------------------- 96# ---------------------------------------
20 97
21# getfilevar accepts 2 vars as follows: 98# getfilevar accepts 2 vars as follows:
22# getfilevar <VARIABLE> <CONFIGFILE> 99# getfilevar <VARIABLE> <CONFIGFILE>
23 100
24getfilevar() { 101getfilevar() {
25local ERROR 102local ERROR workingdir basefname basedname myARCH="${ARCH}"
26 ERROR=0 103 ERROR=0
27 104
28 [ -z "${1}" ] && ERROR=1 105 [ -z "${1}" ] && ERROR=1
29 [ -z "${2}" ] && ERROR=1
30 [ ! -f "${2}" ] && ERROR=1 106 [ ! -f "${2}" ] && ERROR=1
31 107
32 if [ "${ERROR}" = 1 ] 108 if [ "${ERROR}" = 1 ]
33 then 109 then
110 echo -e "\n"
34 eerror "getfilevar requires 2 variables, with the second a valid file." 111 eerror "getfilevar requires 2 variables, with the second a valid file."
35 eerror " getfilevar <VARIABLE> <CONFIGFILE>" 112 eerror " getfilevar <VARIABLE> <CONFIGFILE>"
36 else 113 else
37 grep -e "^$1[= ]" $2 | sed 's: = :=:' | cut -d= -f2- 114 workingdir=${PWD}
38 fi 115 basefname=$(basename ${2})
39} 116 basedname=$(dirname ${2})
117 unset ARCH
40 118
41getfilevar_isset() { 119 cd ${basedname}
120 echo -e "include ${basefname}\ne:\n\t@echo \$(${1})" | \
121 make ${BUILD_FIXES} -f - e 2>/dev/null
122 cd ${workingdir}
123
124 ARCH=${myARCH}
125 fi
126}
127
128linux_chkconfig_present() {
42local RESULT 129local RESULT
43 RESULT="$(getfilevar ${1} ${2})" 130 RESULT="$(getfilevar CONFIG_${1} ${KV_OUT_DIR}/.config)"
44 [ "${RESULT}" = "m" -o "${RESULT}" = "y" ] && return 0 || return 1 131 [ "${RESULT}" = "m" -o "${RESULT}" = "y" ] && return 0 || return 1
45} 132}
46 133
47getfilevar_ismodule() { 134linux_chkconfig_module() {
48local RESULT 135local RESULT
49 RESULT="$(getfilevar ${1} ${2})" 136 RESULT="$(getfilevar CONFIG_${1} ${KV_OUT_DIR}/.config)"
50 [ "${RESULT}" = "m" ] && return 0 || return 1 137 [ "${RESULT}" = "m" ] && return 0 || return 1
51} 138}
52 139
53getfilevar_isbuiltin() { 140linux_chkconfig_builtin() {
54local RESULT 141local RESULT
55 RESULT="$(getfilevar ${1} ${2})" 142 RESULT="$(getfilevar CONFIG_${1} ${KV_OUT_DIR}/.config)"
56 [ "${RESULT}" = "y" ] && return 0 || return 1 143 [ "${RESULT}" = "y" ] && return 0 || return 1
144}
145
146linux_chkconfig_string() {
147 getfilevar "CONFIG_${1}" "${KV_OUT_DIR}/.config"
57} 148}
58 149
59# Versioning Functions 150# Versioning Functions
60# --------------------------------------- 151# ---------------------------------------
61 152
71# got the jist yet? 162# got the jist yet?
72 163
73kernel_is() { 164kernel_is() {
74 # if we haven't determined the version yet, we need too. 165 # if we haven't determined the version yet, we need too.
75 get_version; 166 get_version;
76 167 local operator test value x=0 y=0 z=0
77 local RESULT 168
78 RESULT=1 169 case ${1} in
79 170 lt) operator="-lt"; shift;;
80 if [ -n "${1}" ] 171 gt) operator="-gt"; shift;;
81 then 172 le) operator="-le"; shift;;
82 [ "${1}" = "${KV_MAJOR}" ] && RESULT=0 173 ge) operator="-ge"; shift;;
83 fi 174 eq) operator="-eq"; shift;;
84 175 *) operator="-eq";;
85 if [ -n "${2}" ] 176 esac
86 then 177
87 RESULT=1 178 for x in ${@}; do
88 [ "${2}" = "${KV_MINOR}" ] && RESULT=0 179 for((y=0; y<$((3 - ${#x})); y++)); do value="${value}0"; done
89 fi 180 value="${value}${x}"
90 181 z=$((${z} + 1))
91 if [ -n "${3}" ] 182
92 then 183 case ${z} in
93 RESULT=1 184 1) for((y=0; y<$((3 - ${#KV_MAJOR})); y++)); do test="${test}0"; done;
94 [ "${3}" = "${KV_PATCH}" ] && RESULT=0 185 test="${test}${KV_MAJOR}";;
95 fi 186 2) for((y=0; y<$((3 - ${#KV_MINOR})); y++)); do test="${test}0"; done;
96 return ${RESULT} 187 test="${test}${KV_MINOR}";;
188 3) for((y=0; y<$((3 - ${#KV_PATCH})); y++)); do test="${test}0"; done;
189 test="${test}${KV_PATCH}";;
190 *) die "Error in kernel-2_kernel_is(): Too many parameters.";;
191 esac
192 done
193
194 [ ${test} ${operator} ${value} ] && return 0 || return 1
97} 195}
98 196
99get_version() { 197get_version() {
198 local kbuild_output
199
100 # no need to execute this twice assuming KV_FULL is populated. 200 # no need to execute this twice assuming KV_FULL is populated.
101 # we can force by unsetting KV_FULL 201 # we can force by unsetting KV_FULL
102 if [ -n "${KV_FULL}" ] 202 [ -n "${KV_FULL}" ] && return 0
103 then
104 # Lets keep this quiet eh?
105 # einfo "\${KV_FULL} is already set. Not running get_version again"
106 return
107 fi
108 203
109 # if we dont know KV_FULL, then we need too. 204 # if we dont know KV_FULL, then we need too.
110 # make sure KV_DIR isnt set since we need to work it out via KERNEL_DIR 205 # make sure KV_DIR isnt set since we need to work it out via KERNEL_DIR
111 unset KV_DIR 206 unset KV_DIR
112 207
113 # KV_DIR will contain the full path to the sources directory we should use 208 # KV_DIR will contain the full path to the sources directory we should use
114 einfo "Determining the location of the kernel source code" 209 qeinfo "Determining the location of the kernel source code"
115 [ -h "${KERNEL_DIR}" ] && KV_DIR="$(readlink -f ${KERNEL_DIR})" 210 [ -h "${KERNEL_DIR}" ] && KV_DIR="$(readlink -f ${KERNEL_DIR})"
116 [ -d "${KERNEL_DIR}" ] && KV_DIR="${KERNEL_DIR}" 211 [ -d "${KERNEL_DIR}" ] && KV_DIR="${KERNEL_DIR}"
117 212
118 if [ -z "${KV_DIR}" ] 213 if [ -z "${KV_DIR}" ]
119 then 214 then
120 eerror "Unable to find kernel sources at ${KERNEL_DIR}" 215 qeerror "Unable to find kernel sources at ${KERNEL_DIR}"
121 die 216 qeinfo "This package requires Linux sources."
217 if [ "${KERNEL_DIR}" == "/usr/src/linux" ] ; then
218 qeinfo "Please make sure that ${KERNEL_DIR} points at your running kernel, "
219 qeinfo "(or the kernel you wish to build against)."
220 qeinfo "Alternatively, set the KERNEL_DIR environment variable to the kernel sources location"
221 else
222 qeinfo "Please ensure that the KERNEL_DIR environment variable points at full Linux sources of the kernel you wish to compile against."
122 fi 223 fi
224 return 1
225 fi
226
227 qeinfo "Found kernel source directory:"
228 qeinfo " ${KV_DIR}"
229
230 if [ ! -s "${KV_DIR}/Makefile" ]
231 then
232 qeerror "Could not find a Makefile in the kernel source directory."
233 qeerror "Please ensure that ${KERNEL_DIR} points to a complete set of Linux sources"
234 return 1
235 fi
236
237 # OK so now we know our sources directory, but they might be using
238 # KBUILD_OUTPUT, and we need this for .config and localversions-*
239 # so we better find it eh?
240 # do we pass KBUILD_OUTPUT on the CLI?
241 OUTPUT_DIR="${OUTPUT_DIR:-${KBUILD_OUTPUT}}"
242
243 # And if we didn't pass it, we can take a nosey in the Makefile
244 kbuild_output="$(getfilevar KBUILD_OUTPUT ${KV_DIR}/Makefile)"
245 OUTPUT_DIR="${OUTPUT_DIR:-${kbuild_output}}"
123 246
124 # And contrary to existing functions I feel we shouldn't trust the 247 # And contrary to existing functions I feel we shouldn't trust the
125 # directory name to find version information as this seems insane. 248 # directory name to find version information as this seems insane.
126 # so we parse ${KV_DIR}/Makefile 249 # so we parse ${KV_DIR}/Makefile
127 KV_MAJOR="$(getfilevar VERSION ${KV_DIR}/Makefile)" 250 KV_MAJOR="$(getfilevar VERSION ${KV_DIR}/Makefile)"
128 KV_MINOR="$(getfilevar PATCHLEVEL ${KV_DIR}/Makefile)" 251 KV_MINOR="$(getfilevar PATCHLEVEL ${KV_DIR}/Makefile)"
129 KV_PATCH="$(getfilevar SUBLEVEL ${KV_DIR}/Makefile)" 252 KV_PATCH="$(getfilevar SUBLEVEL ${KV_DIR}/Makefile)"
130 KV_EXTRA="$(getfilevar EXTRAVERSION ${KV_DIR}/Makefile)" 253 KV_EXTRA="$(getfilevar EXTRAVERSION ${KV_DIR}/Makefile)"
254
255 if [ -z "${KV_MAJOR}" -o -z "${KV_MINOR}" -o -z "${KV_PATCH}" ]
256 then
257 qeerror "Could not detect kernel version."
258 qeerror "Please ensure that ${KERNEL_DIR} points to a complete set of Linux sources."
259 return 1
260 fi
261
131 # and in newer versions we can also pull LOCALVERSION if it is set. 262 # and in newer versions we can also pull LOCALVERSION if it is set.
132 KV_LOCAL="$(cat ${KV_DIR}/localversion* 2>/dev/null)$(getfilevar CONFIG_LOCALVERSION ${KV_DIR}/.config | sed 's:"::g')" 263 # but before we do this, we need to find if we use a different object directory.
133 264 # This *WILL* break if the user is using localversions, but we assume it was
265 # caught before this if they are.
266 [ "${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}.${KV_EXTRA}" == "$(uname -r)" ] && \
267 OUTPUT_DIR="${OUTPUT_DIR:-/lib/modules/${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}.${KV_EXTRA}/build}"
268
269 [ -h "${OUTPUT_DIR}" ] && KV_OUT_DIR="$(readlink -f ${OUTPUT_DIR})"
270 [ -d "${OUTPUT_DIR}" ] && KV_OUT_DIR="${OUTPUT_DIR}"
271 if [ -n "${KV_OUT_DIR}" ];
272 then
273 qeinfo "Found kernel object directory:"
274 qeinfo " ${KV_OUT_DIR}"
275
276 KV_LOCAL="$(cat ${KV_OUT_DIR}/localversion* 2>/dev/null)"
277 fi
278 # and if we STILL haven't got it, then we better just set it to KV_DIR
279 KV_OUT_DIR="${KV_OUT_DIR:-${KV_DIR}}"
280
281 KV_LOCAL="${KV_LOCAL}$(cat ${KV_DIR}/localversion* 2>/dev/null)"
282 KV_LOCAL="${KV_LOCAL}$(linux_chkconfig_string LOCALVERSION)"
283 KV_LOCAL="${KV_LOCAL//\"/}"
284
134 # And we should set KV_FULL to the full expanded version 285 # And we should set KV_FULL to the full expanded version
135 KV_FULL="${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}${KV_EXTRA}${KV_LOCAL}" 286 KV_FULL="${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}${KV_EXTRA}${KV_LOCAL}"
136 287
137 if [ -z "${KV_FULL}" ] 288 qeinfo "Found sources for kernel version:"
289 qeinfo " ${KV_FULL}"
290
291 if [ ! -s "${KV_OUT_DIR}/.config" ]
138 then 292 then
139 eerror "We are unable to find a usable kernel source tree in ${KV_DIR}" 293 qeerror "Could not find a usable .config in the kernel source directory."
140 eerror "Please check a kernel source exists in this directory." 294 qeerror "Please ensure that ${KERNEL_DIR} points to a configured set of Linux sources."
141 die 295 qeerror "If you are using KBUILD_OUTPUT, please set the environment var so that"
296 qeerror "it points to the necessary object directory so that it might find .config."
297 return 1
298 fi
299
300 return 0
301}
302
303get_running_version() {
304 KV_FULL=$(uname -r)
305
306 if [[ -f ${ROOT}/lib/modules/${KV_FULL}/source/Makefile ]]; then
307 KERNEL_DIR=$(readlink -f ${ROOT}/lib/modules/${KV_FULL}/source)
308 unset KV_FULL
309 get_version
310 return $?
311 elif [[ -f ${ROOT}/lib/modules/${KV_FULL}/build/Makefile ]]; then
312 KERNEL_DIR=$(readlink -f ${ROOT}/lib/modules/${KV_FULL}/build)
313 unset KV_FULL
314 get_version
315 return $?
142 else 316 else
143 einfo "Found kernel source directory:" 317 KV_MAJOR=$(get_version_component_range 1 ${KV_FULL})
144 einfo " ${KV_DIR}" 318 KV_MINOR=$(get_version_component_range 2 ${KV_FULL})
145 einfo "with sources for kernel version:" 319 KV_PATCH=$(get_version_component_range 3- ${KV_FULL})
146 einfo " ${KV_FULL}" 320 KV_PATCH=${KV_PATCH//-*}
321 [[ -n ${KV_FULL#*-} ]] && [[ -n ${KV_FULL//${KV_FULL#*-}} ]] \
322 && KV_EXTRA="-${KV_FULL#*-}"
147 fi 323 fi
324 return 0
148} 325}
149
150
151 326
152 327
153# ebuild check functions 328# ebuild check functions
154# --------------------------------------- 329# ---------------------------------------
155 330
156check_kernel_built() { 331check_kernel_built() {
157 # if we haven't determined the version yet, we need too. 332 # if we haven't determined the version yet, we need too.
158 get_version; 333 get_version;
159 334
160 if [ ! -f "${KV_DIR}/System.map" ] 335 if [ ! -f "${KV_OUT_DIR}/include/linux/version.h" ]
161 then 336 then
162 eerror "These sources have not yet been compiled." 337 eerror "These sources have not yet been prepared."
163 eerror "We cannot build against an uncompiled tree." 338 eerror "We cannot build against an unprepared tree."
164 eerror "To resolve this, please type the following:" 339 eerror "To resolve this, please type the following:"
165 eerror 340 eerror
166 eerror "# cd ${KV_DIR}" 341 eerror "# cd ${KV_DIR}"
167 eerror "# make oldconfig" 342 eerror "# make oldconfig"
168 eerror "# make bzImage modules modules_install" 343 eerror "# make modules_prepare"
169 eerror 344 eerror
170 eerror "Then please try merging this module again." 345 eerror "Then please try merging this module again."
171 die "Kernel sources need compiling first" 346 die "Kernel sources need compiling first"
172 fi 347 fi
173} 348}
174 349
175check_modules_supported() { 350check_modules_supported() {
176 # if we haven't determined the version yet, we need too. 351 # if we haven't determined the version yet, we need too.
177 get_version; 352 get_version;
178 353
179 getfilevar_isset CONFIG_MODULES ${KV_DIR}/.config 354 if ! linux_chkconfig_builtin "MODULES"
180 if [ "$?" != 0 ]
181 then 355 then
182 eerror "These sources do not support loading external modules." 356 eerror "These sources do not support loading external modules."
183 eerror "to be able to use this module please enable \"Loadable modules support\"" 357 eerror "to be able to use this module please enable \"Loadable modules support\""
184 eerror "in your kernel, recompile and then try merging this module again." 358 eerror "in your kernel, recompile and then try merging this module again."
185 die No support for external modules in ${KV_FUll} config 359 die "No support for external modules in ${KV_FULL} config"
186 fi 360 fi
187} 361}
188 362
189check_extra_config() { 363check_extra_config() {
190local config negate error 364 local config negate error local_error i n temp_config
191 365
192 # if we haven't determined the version yet, we need too. 366 # if we haven't determined the version yet, we need too.
193 get_version; 367 get_version;
194 368
195 einfo "Checking for suitable kernel configuration options" 369 einfo "Checking for suitable kernel configuration options"
197 do 371 do
198 negate="${config:0:1}" 372 negate="${config:0:1}"
199 if [ "${negate}" == "!" ]; 373 if [ "${negate}" == "!" ];
200 then 374 then
201 config="${config:1}" 375 config="${config:1}"
202 if getfilevar_isset ${config} ${KV_DIR}/.config ; 376 if linux_chkconfig_present ${config}
203 then 377 then
378 local_error="${config}_ERROR"
379 local_error="${!local_error}"
380 [ -n "${local_error}" ] && eerror " ${local_error}" || \
204 eerror " ${config}:\tshould not be set in the kernel configuration, but it is." 381 eerror " CONFIG_${config}:\tshould not be set in the kernel configuration, but it is."
205 error=1 382 error=1
206 fi 383 fi
384 elif [ "${negate}" == "@" ];
385 then
386 # we never call this unless we are using MODULE_NAMES
387
388 config="${config:1}"
389 temp_config="${config//*:}"
390 config="${config//:*}"
391 if linux_chkconfig_present ${config}
392 then
393 local_error="${config}_ERROR"
394 local_error="${!local_error}"
395 [ -n "${local_error}" ] && eerror " ${local_error}" || \
396 eerror " CONFIG_${config}:\tshould not be set in the kernel configuration, but it is."
397
398 for i in ${MODULE_NAMES}
399 do
400 n="${i//${temp_config}}"
401 [ -z "${n//(*}" ] && MODULE_IGNORE="${MODULE_IGNORE} ${temp_config}"
402 done
403 error=0
404 fi
207 else 405 else
208 if ! getfilevar_isset ${config} ${KV_DIR}/.config ; 406 if ! linux_chkconfig_present ${config}
209 then 407 then
408 # Support the new syntax first.
409 local_error="ERROR_${config}"
410 local_error="${!local_error}"
411
412 # then fall back on the older syntax.
413 if [[ -z ${local_error} ]] ; then
414 local_error="${config}_ERROR"
415 local_error="${!local_error}"
416 fi
417
418 [[ -n ${local_error} ]] && eerror " ${local_error}" || \
210 eerror " ${config}:\tshould be set in the kernel configuration, but isn't" 419 eerror " CONFIG_${config}:\tshould be set in the kernel configuration, but isn't"
211 error=1 420 error=1
212 fi 421 fi
213 fi 422 fi
214 done 423 done
215 424
216 if [ -n "${error}" ] ; 425 if [ "${error}" == 1 ] ;
217 then 426 then
218 eerror "Please check to make sure these options are set correctly." 427 eerror "Please check to make sure these options are set correctly."
219 eerror "Once you have satisfied these options, please try merging" 428 eerror "Once you have satisfied these options, please try merging"
220 eerror "this package again." 429 eerror "this package again."
221 die Incorrect kernel configuration options 430 die "Incorrect kernel configuration options"
222 fi 431 fi
223} 432}
224 433
225check_zlibinflate() { 434check_zlibinflate() {
226 # if we haven't determined the version yet, we need too. 435 # if we haven't determined the version yet, we need too.
258 467
259 LINENO_END="$(grep -n 'CONFIG_ZLIB_INFLATE y' ${KV_DIR}/lib/Config.in | cut -d : -f 1)" 468 LINENO_END="$(grep -n 'CONFIG_ZLIB_INFLATE y' ${KV_DIR}/lib/Config.in | cut -d : -f 1)"
260 LINENO_START="$(head -n $LINENO_END ${KV_DIR}/lib/Config.in | grep -n 'if \[' | tail -n 1 | cut -d : -f 1)" 469 LINENO_START="$(head -n $LINENO_END ${KV_DIR}/lib/Config.in | grep -n 'if \[' | tail -n 1 | cut -d : -f 1)"
261 (( LINENO_AMOUNT = $LINENO_END - $LINENO_START )) 470 (( LINENO_AMOUNT = $LINENO_END - $LINENO_START ))
262 (( LINENO_END = $LINENO_END - 1 )) 471 (( LINENO_END = $LINENO_END - 1 ))
263 SYMBOLS="$(head -n $LINENO_END ${KERNEL_DIR}/lib/Config.in | tail -n $LINENO_AMOUNT | sed -e 's/^.*\(CONFIG_[^\" ]*\).*/\1/g;')" 472 SYMBOLS="$(head -n $LINENO_END ${KV_DIR}/lib/Config.in | tail -n $LINENO_AMOUNT | sed -e 's/^.*\(CONFIG_[^\" ]*\).*/\1/g;')"
264 473
265 # okay, now we have a list of symbols 474 # okay, now we have a list of symbols
266 # we need to check each one in turn, to see whether it is set or not 475 # we need to check each one in turn, to see whether it is set or not
267 for x in $SYMBOLS ; do 476 for x in $SYMBOLS ; do
268 if [ "${!x}" = "y" ]; then 477 if [ "${!x}" = "y" ]; then
289 eerror "Please remember to recompile and install your kernel, and reboot" 498 eerror "Please remember to recompile and install your kernel, and reboot"
290 eerror "into your new kernel before attempting to load this kernel module." 499 eerror "into your new kernel before attempting to load this kernel module."
291 500
292 die "Kernel doesn't include zlib support" 501 die "Kernel doesn't include zlib support"
293} 502}
503
504################################
505# Default pkg_setup
506# Also used when inheriting linux-mod to force a get_version call
507
508linux-info_pkg_setup() {
509 get_version || die "Unable to calculate Linux Kernel version"
510 [ -n "${CONFIG_CHECK}" ] && check_extra_config;
511}

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