/[gentoo-x86]/eclass/linux-info.eclass
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Revision 1.26 Revision 1.39
1# Copyright 1999-2004 Gentoo Foundation 1# Copyright 1999-2006 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 1.26 2005/06/01 21:25:50 wolf31o2 Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/linux-info.eclass,v 1.39 2006/02/08 12:57:52 brix Exp $
4# 4#
5# Description: This eclass is used as a central eclass for accessing kernel 5# Description: This eclass is used as a central eclass for accessing kernel
6# related information for sources already installed. 6# related information for sources already installed.
7# It is vital for linux-mod to function correctly, and is split 7# It is vital for linux-mod to function correctly, and is split
8# out so that any ebuild behaviour "templates" are abstracted out 8# out so that any ebuild behaviour "templates" are abstracted out
13# 13#
14# Please direct your bugs to the current eclass maintainer :) 14# Please direct your bugs to the current eclass maintainer :)
15 15
16# A Couple of env vars are available to effect usage of this eclass 16# A Couple of env vars are available to effect usage of this eclass
17# These are as follows: 17# These are as follows:
18# 18#
19# Env Var Option Description 19# Env Var Option Description
20# KERNEL_DIR <string> The directory containing kernel the target kernel 20# KERNEL_DIR <string> The directory containing kernel the target kernel
21# sources. 21# sources.
22# CONFIG_CHECK <string> a list of .config options to check for before 22# CONFIG_CHECK <string> a list of .config options to check for before
23# proceeding with the install. ie: CONFIG_CHECK="MTRR" 23# proceeding with the install. ie: CONFIG_CHECK="MTRR"
24# You can also check that an option doesn't exist by 24# You can also check that an option doesn't exist by
25# prepending it with an exclamation mark (!). 25# prepending it with an exclamation mark (!).
26# ie: CONFIG_CHECK="!MTRR" 26# ie: CONFIG_CHECK="!MTRR"
27# To simply warn about a missing option, prepend a '~'.
27# ERROR_CFG <string> The error message to display when the above check 28# ERROR_CFG <string> The error message to display when the above check
28# fails. <CFG> should reference the appropriate option 29# fails. <CFG> should reference the appropriate option
29# as above. ie: ERROR_MTRR="MTRR exists in the .config 30# as above. ie: ERROR_MTRR="MTRR exists in the .config
30# but shouldn't!!" 31# but shouldn't!!"
31# KBUILD_OUTPUT <string> This is passed on commandline, or can be set from 32# KBUILD_OUTPUT <string> This is passed on commandline, or can be set from
32# the kernel makefile. This contains the directory 33# the kernel makefile. This contains the directory
33# which is to be used as the kernel object directory. 34# which is to be used as the kernel object directory.
34 35
35# There are also a couple of variables which are set by this, and shouldn't be 36# 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# set by hand. These are as follows:
37# 38#
38# Env Var Option Description 39# Env Var Option Description
39# KV_FULL <string> The full kernel version. ie: 2.6.9-gentoo-johnm-r1 40# 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_MAJOR <integer> The kernel major version. ie: 2
41# KV_MINOR <integer> The kernel minor version. ie: 6 42# KV_MINOR <integer> The kernel minor version. ie: 6
42# KV_PATCH <integer> The kernel patch version. ie: 9 43# KV_PATCH <integer> The kernel patch version. ie: 9
49# .config. 50# .config.
50 51
51# And to ensure all the weirdness with crosscompile 52# And to ensure all the weirdness with crosscompile
52inherit toolchain-funcs versionator 53inherit toolchain-funcs versionator
53 54
54ECLASS=linux-info
55INHERITED="$INHERITED $ECLASS"
56EXPORT_FUNCTIONS pkg_setup 55EXPORT_FUNCTIONS pkg_setup
56
57DEPEND="virtual/linux-sources"
58RDEPEND=""
57 59
58# Overwritable environment Var's 60# Overwritable environment Var's
59# --------------------------------------- 61# ---------------------------------------
60KERNEL_DIR="${KERNEL_DIR:-${ROOT}usr/src/linux}" 62KERNEL_DIR="${KERNEL_DIR:-${ROOT}usr/src/linux}"
61 63
62 64
63# Bug fixes 65# Bug fixes
64# fix to bug #75034 66# fix to bug #75034
65case ${ARCH} in 67case ${ARCH} in
66 ppc) BUILD_FIXES="${BUILD_FIXES} TOUT=${T}/.tmp_gas_check";; 68 ppc) BUILD_FIXES="${BUILD_FIXES} TOUT=${T}/.tmp_gas_check";;
67 ppc64) BUILD_FIXES="${BUILD_FIXES} TOUT=${T}/.tmp_gas_check";; 69 ppc64) BUILD_FIXES="${BUILD_FIXES} TOUT=${T}/.tmp_gas_check";;
68esac 70esac
69 71
70# These are legacy wrappers for toolchain-funcs. 72# These are legacy wrappers for toolchain-funcs.
71# I dont like them here, but oh well. 73# I dont like them here, but oh well.
72set_arch_to_kernel() { export ARCH="$(tc-arch-kernel)"; } 74set_arch_to_kernel() { export ARCH="$(tc-arch-kernel)"; }
109 then 111 then
110 echo -e "\n" 112 echo -e "\n"
111 eerror "getfilevar requires 2 variables, with the second a valid file." 113 eerror "getfilevar requires 2 variables, with the second a valid file."
112 eerror " getfilevar <VARIABLE> <CONFIGFILE>" 114 eerror " getfilevar <VARIABLE> <CONFIGFILE>"
113 else 115 else
114 workingdir=${PWD} 116 workingdir="${PWD}"
115 basefname=$(basename ${2}) 117 basefname="$(basename ${2})"
116 basedname=$(dirname ${2}) 118 basedname="$(dirname ${2})"
117 unset ARCH 119 unset ARCH
118 120
119 cd ${basedname} 121 cd "${basedname}"
120 echo -e "include ${basefname}\ne:\n\t@echo \$(${1})" | \ 122 echo -e "include ${basefname}\ne:\n\t@echo \$(${1})" | \
121 make ${BUILD_FIXES} -s -f - e 2>/dev/null 123 make ${BUILD_FIXES} -s -f - e 2>/dev/null
122 cd ${workingdir} 124 cd "${workingdir}"
123 125
124 ARCH=${myARCH} 126 ARCH=${myARCH}
125 fi 127 fi
126} 128}
127 129
189 test="${test}${KV_PATCH}";; 191 test="${test}${KV_PATCH}";;
190 *) die "Error in kernel-2_kernel_is(): Too many parameters.";; 192 *) die "Error in kernel-2_kernel_is(): Too many parameters.";;
191 esac 193 esac
192 done 194 done
193 195
194 [ ${test} ${operator} ${value} ] && return 0 || return 1 196 [ ${test} ${operator} ${value} ] && return 0 || return 1
197}
198
199get_localversion() {
200 local lv_list i x
201
202 # ignore files with ~ in it.
203 for i in $(ls ${1}/localversion* 2>/dev/null); do
204 [[ -n ${i//*~*} ]] && lv_list="${lv_list} ${i}"
205 done
206
207 for i in ${lv_list}; do
208 x="${x}$(<${i})"
209 done
210 x=${x/ /}
211 echo ${x}
195} 212}
196 213
197get_version() { 214get_version() {
198 local kbuild_output 215 local kbuild_output
199 216
200 # no need to execute this twice assuming KV_FULL is populated. 217 # no need to execute this twice assuming KV_FULL is populated.
201 # we can force by unsetting KV_FULL 218 # we can force by unsetting KV_FULL
202 [ -n "${KV_FULL}" ] && return 0 219 [ -n "${KV_FULL}" ] && return 0
203 220
204 # if we dont know KV_FULL, then we need too. 221 # if we dont know KV_FULL, then we need too.
207 224
208 # KV_DIR will contain the full path to the sources directory we should use 225 # KV_DIR will contain the full path to the sources directory we should use
209 qeinfo "Determining the location of the kernel source code" 226 qeinfo "Determining the location of the kernel source code"
210 [ -h "${KERNEL_DIR}" ] && KV_DIR="$(readlink -f ${KERNEL_DIR})" 227 [ -h "${KERNEL_DIR}" ] && KV_DIR="$(readlink -f ${KERNEL_DIR})"
211 [ -d "${KERNEL_DIR}" ] && KV_DIR="${KERNEL_DIR}" 228 [ -d "${KERNEL_DIR}" ] && KV_DIR="${KERNEL_DIR}"
212 229
213 if [ -z "${KV_DIR}" ] 230 if [ -z "${KV_DIR}" ]
214 then 231 then
215 qeerror "Unable to find kernel sources at ${KERNEL_DIR}" 232 qeerror "Unable to find kernel sources at ${KERNEL_DIR}"
216 qeinfo "This package requires Linux sources." 233 qeinfo "This package requires Linux sources."
217 if [ "${KERNEL_DIR}" == "/usr/src/linux" ] ; then 234 if [ "${KERNEL_DIR}" == "/usr/src/linux" ] ; then
231 then 248 then
232 qeerror "Could not find a Makefile in the kernel source directory." 249 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" 250 qeerror "Please ensure that ${KERNEL_DIR} points to a complete set of Linux sources"
234 return 1 251 return 1
235 fi 252 fi
236 253
237 # OK so now we know our sources directory, but they might be using 254 # OK so now we know our sources directory, but they might be using
238 # KBUILD_OUTPUT, and we need this for .config and localversions-* 255 # KBUILD_OUTPUT, and we need this for .config and localversions-*
239 # so we better find it eh? 256 # so we better find it eh?
240 # do we pass KBUILD_OUTPUT on the CLI? 257 # do we pass KBUILD_OUTPUT on the CLI?
241 OUTPUT_DIR="${OUTPUT_DIR:-${KBUILD_OUTPUT}}" 258 OUTPUT_DIR="${OUTPUT_DIR:-${KBUILD_OUTPUT}}"
242 259
243 # And if we didn't pass it, we can take a nosey in the Makefile 260 # And if we didn't pass it, we can take a nosey in the Makefile
244 kbuild_output="$(getfilevar KBUILD_OUTPUT ${KV_DIR}/Makefile)" 261 kbuild_output="$(getfilevar KBUILD_OUTPUT ${KV_DIR}/Makefile)"
245 OUTPUT_DIR="${OUTPUT_DIR:-${kbuild_output}}" 262 OUTPUT_DIR="${OUTPUT_DIR:-${kbuild_output}}"
246 263
247 # And contrary to existing functions I feel we shouldn't trust the 264 # And contrary to existing functions I feel we shouldn't trust the
248 # directory name to find version information as this seems insane. 265 # directory name to find version information as this seems insane.
249 # so we parse ${KV_DIR}/Makefile 266 # so we parse ${KV_DIR}/Makefile
250 KV_MAJOR="$(getfilevar VERSION ${KV_DIR}/Makefile)" 267 KV_MAJOR="$(getfilevar VERSION ${KV_DIR}/Makefile)"
251 KV_MINOR="$(getfilevar PATCHLEVEL ${KV_DIR}/Makefile)" 268 KV_MINOR="$(getfilevar PATCHLEVEL ${KV_DIR}/Makefile)"
252 KV_PATCH="$(getfilevar SUBLEVEL ${KV_DIR}/Makefile)" 269 KV_PATCH="$(getfilevar SUBLEVEL ${KV_DIR}/Makefile)"
253 KV_EXTRA="$(getfilevar EXTRAVERSION ${KV_DIR}/Makefile)" 270 KV_EXTRA="$(getfilevar EXTRAVERSION ${KV_DIR}/Makefile)"
254 271
255 if [ -z "${KV_MAJOR}" -o -z "${KV_MINOR}" -o -z "${KV_PATCH}" ] 272 if [ -z "${KV_MAJOR}" -o -z "${KV_MINOR}" -o -z "${KV_PATCH}" ]
256 then 273 then
257 qeerror "Could not detect kernel version." 274 qeerror "Could not detect kernel version."
258 qeerror "Please ensure that ${KERNEL_DIR} points to a complete set of Linux sources." 275 qeerror "Please ensure that ${KERNEL_DIR} points to a complete set of Linux sources."
259 return 1 276 return 1
260 fi 277 fi
261 278
262 # and in newer versions we can also pull LOCALVERSION if it is set. 279 # and in newer versions we can also pull LOCALVERSION if it is set.
263 # but before we do this, we need to find if we use a different object directory. 280 # but before we do this, we need to find if we use a different object directory.
264 # This *WILL* break if the user is using localversions, but we assume it was 281 # This *WILL* break if the user is using localversions, but we assume it was
265 # caught before this if they are. 282 # caught before this if they are.
266 [ "${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}.${KV_EXTRA}" == "$(uname -r)" ] && \ 283 [ "${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}.${KV_EXTRA}" == "$(uname -r)" ] && \
270 [ -d "${OUTPUT_DIR}" ] && KV_OUT_DIR="${OUTPUT_DIR}" 287 [ -d "${OUTPUT_DIR}" ] && KV_OUT_DIR="${OUTPUT_DIR}"
271 if [ -n "${KV_OUT_DIR}" ]; 288 if [ -n "${KV_OUT_DIR}" ];
272 then 289 then
273 qeinfo "Found kernel object directory:" 290 qeinfo "Found kernel object directory:"
274 qeinfo " ${KV_OUT_DIR}" 291 qeinfo " ${KV_OUT_DIR}"
275 292
276 KV_LOCAL="$(cat ${KV_OUT_DIR}/localversion* 2>/dev/null)" 293 KV_LOCAL="$(get_localversion ${KV_OUT_DIR})"
277 fi 294 fi
278 # and if we STILL haven't got it, then we better just set it to KV_DIR 295 # and if we STILL haven't got it, then we better just set it to KV_DIR
279 KV_OUT_DIR="${KV_OUT_DIR:-${KV_DIR}}" 296 KV_OUT_DIR="${KV_OUT_DIR:-${KV_DIR}}"
280 297
281 KV_LOCAL="${KV_LOCAL}$(cat ${KV_DIR}/localversion* 2>/dev/null)" 298 KV_LOCAL="${KV_LOCAL}$(get_localversion ${KV_DIR})"
282 KV_LOCAL="${KV_LOCAL}$(linux_chkconfig_string LOCALVERSION)" 299 KV_LOCAL="${KV_LOCAL}$(linux_chkconfig_string LOCALVERSION)"
283 KV_LOCAL="${KV_LOCAL//\"/}" 300 KV_LOCAL="${KV_LOCAL//\"/}"
284 301
285 # And we should set KV_FULL to the full expanded version 302 # And we should set KV_FULL to the full expanded version
286 KV_FULL="${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}${KV_EXTRA}${KV_LOCAL}" 303 KV_FULL="${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}${KV_EXTRA}${KV_LOCAL}"
329# --------------------------------------- 346# ---------------------------------------
330 347
331check_kernel_built() { 348check_kernel_built() {
332 # if we haven't determined the version yet, we need too. 349 # if we haven't determined the version yet, we need too.
333 get_version; 350 get_version;
334 351
335 if [ ! -f "${KV_OUT_DIR}/include/linux/version.h" ] 352 if [ ! -f "${KV_OUT_DIR}/include/linux/version.h" ]
336 then 353 then
337 eerror "These sources have not yet been prepared." 354 eerror "These sources have not yet been prepared."
338 eerror "We cannot build against an unprepared tree." 355 eerror "We cannot build against an unprepared tree."
339 eerror "To resolve this, please type the following:" 356 eerror "To resolve this, please type the following:"
348} 365}
349 366
350check_modules_supported() { 367check_modules_supported() {
351 # if we haven't determined the version yet, we need too. 368 # if we haven't determined the version yet, we need too.
352 get_version; 369 get_version;
353 370
354 if ! linux_chkconfig_builtin "MODULES" 371 if ! linux_chkconfig_builtin "MODULES"
355 then 372 then
356 eerror "These sources do not support loading external modules." 373 eerror "These sources do not support loading external modules."
357 eerror "to be able to use this module please enable \"Loadable modules support\"" 374 eerror "to be able to use this module please enable \"Loadable modules support\""
358 eerror "in your kernel, recompile and then try merging this module again." 375 eerror "in your kernel, recompile and then try merging this module again."
359 die "No support for external modules in ${KV_FULL} config" 376 die "No support for external modules in ${KV_FULL} config"
360 fi 377 fi
361} 378}
362 379
363check_extra_config() { 380check_extra_config() {
364 local config negate error local_error i n temp_config 381 local config negate error local_error i n
382 local temp_config die reworkmodulenames
365 383
366 # if we haven't determined the version yet, we need too. 384 # if we haven't determined the version yet, we need too.
367 get_version; 385 get_version;
368 386
369 einfo "Checking for suitable kernel configuration options" 387 einfo "Checking for suitable kernel configuration options:"
370 for config in ${CONFIG_CHECK} 388 for config in ${CONFIG_CHECK}
371 do 389 do
372 negate="${config:0:1}" 390 # if we specify any fatal, ensure we honor them
373 if [ "${negate}" == "!" ]; 391 die=1
374 then 392 error=0
393 negate=0
394 reworkmodulenames=0
395
396 if [[ -z ${config//\!*} ]]; then
397 negate=1
375 config="${config:1}" 398 config=${config:1}
376 if linux_chkconfig_present ${config}
377 then
378 local_error="${config}_ERROR"
379 local_error="${!local_error}"
380 [ -n "${local_error}" ] && eerror " ${local_error}" || \
381 eerror " CONFIG_${config}:\tshould not be set in the kernel configuration, but it is."
382 error=1
383 fi 399 fi
384 elif [ "${negate}" == "@" ]; 400 if [[ -z ${config/\@*} ]]; then
385 then 401 die=2
386 # we never call this unless we are using MODULE_NAMES 402 reworkmodulenames=1
387
388 config="${config:1}" 403 config=${config:1}
404 fi
405 if [[ -z ${config/\~*} ]]; then
406 die=0
407 config=${config:1}
408 fi
409
410 if [[ ${negate} == 1 ]]; then
411 linux_chkconfig_present ${config} && error=2
412 elif [[ ${reworkmodulenames} == 1 ]]; then
389 temp_config="${config//*:}" 413 temp_config="${config//*:}"
390 config="${config//:*}" 414 config="${config//:*}"
391 if linux_chkconfig_present ${config} 415 if linux_chkconfig_present ${config}; then
392 then
393 local_error="${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} 416 for i in ${MODULE_NAMES}; do
399 do
400 n="${i//${temp_config}}" 417 n="${i//${temp_config}}"
418 [[ -z ${n//\(*} ]] && \
401 [ -z "${n//(*}" ] && MODULE_IGNORE="${MODULE_IGNORE} ${temp_config}" 419 MODULE_IGNORE="${MODULE_IGNORE} ${temp_config}"
402 done 420 done
403 error=0 421 error=2
404 fi 422 fi
405 else 423 else
406 if ! linux_chkconfig_present ${config} 424 linux_chkconfig_present ${config} || error=1
407 then 425 fi
408 # Support the new syntax first. 426
427 if [[ ${die} == 0 ]]; then
428 ebegin "CONFIG_${config}"
429 eend ${error}
430 else
431 if [[ ${error} > 0 ]]; then
409 local_error="ERROR_${config}" 432 local_error="ERROR_${config}"
410 local_error="${!local_error}" 433 local_error="${!local_error}"
411 434
412 # then fall back on the older syntax.
413 if [[ -z ${local_error} ]] ; then 435 if [[ -z "${local_error}" ]]; then
436 # using old, deprecated format.
414 local_error="${config}_ERROR" 437 local_error="${config}_ERROR"
415 local_error="${!local_error}" 438 local_error="${!local_error}"
416 fi 439 fi
440
441 if [[ -z "${local_error}" ]]; then
442 [[ ${error} == 1 ]] \
443 && local_error="is not set when it should be." \
444 || local_error="should not be set. But it is."
445 local_error="CONFIG_${config}:\t ${local_error}"
417 446 fi
418 [[ -n ${local_error} ]] && eerror " ${local_error}" || \ 447 eerror " ${local_error}"
419 eerror " CONFIG_${config}:\tshould be set in the kernel configuration, but isn't"
420 error=1
421 fi 448 fi
422 fi 449 fi
423 done 450 done
424 451
425 if [ "${error}" == 1 ] ; 452 if [[ ${error} > 0 ]]; then
426 then
427 eerror "Please check to make sure these options are set correctly." 453 eerror "Please check to make sure these options are set correctly."
454 eerror "Failure to do so may cause unexpected problems."
455 if [[ ${die} == 1 ]]; then
428 eerror "Once you have satisfied these options, please try merging" 456 eerror "Once you have satisfied these options, please try merging"
429 eerror "this package again." 457 eerror "this package again."
430 die "Incorrect kernel configuration options" 458 die "Incorrect kernel configuration options"
459 fi
431 fi 460 fi
432} 461}
433 462
434check_zlibinflate() { 463check_zlibinflate() {
435 # if we haven't determined the version yet, we need too. 464 # if we haven't determined the version yet, we need too.
436 get_version; 465 get_version;
437 466
438 # although I restructured this code - I really really really dont support it! 467 # although I restructured this code - I really really really dont support it!
439 468
440 # bug #27882 - zlib routines are only linked into the kernel 469 # bug #27882 - zlib routines are only linked into the kernel
441 # if something compiled into the kernel calls them 470 # if something compiled into the kernel calls them
442 # 471 #
443 # plus, for the cloop module, it appears that there's no way 472 # plus, for the cloop module, it appears that there's no way
444 # to get cloop.o to include a static zlib if CONFIG_MODVERSIONS 473 # to get cloop.o to include a static zlib if CONFIG_MODVERSIONS
445 # is on 474 # is on
446 475
447local INFLATE 476 local INFLATE
448local DEFLATE 477 local DEFLATE
449 478
450 einfo "Determining the usability of ZLIB_INFLATE support in your kernel" 479 einfo "Determining the usability of ZLIB_INFLATE support in your kernel"
451 480
452 ebegin "checking ZLIB_INFLATE" 481 ebegin "checking ZLIB_INFLATE"
453 getfilevar_isbuiltin CONFIG_ZLIB_INFLATE ${KV_DIR}/.config 482 getfilevar_isbuiltin CONFIG_ZLIB_INFLATE ${KV_DIR}/.config
454 eend $? 483 eend $?
455 [ "$?" != 0 ] && die 484 [ "$?" != 0 ] && die
456 485
457 ebegin "checking ZLIB_DEFLATE" 486 ebegin "checking ZLIB_DEFLATE"
458 getfilevar_isbuiltin CONFIG_ZLIB_DEFLATE ${KV_DIR}/.config 487 getfilevar_isbuiltin CONFIG_ZLIB_DEFLATE ${KV_DIR}/.config
459 eend $? 488 eend $?
460 [ "$?" != 0 ] && die 489 [ "$?" != 0 ] && die
461 490
462
463 local LINENO_START 491 local LINENO_START
464 local LINENO_END 492 local LINENO_END
465 local SYMBOLS 493 local SYMBOLS
466 local x 494 local x
467 495
468 LINENO_END="$(grep -n 'CONFIG_ZLIB_INFLATE y' ${KV_DIR}/lib/Config.in | cut -d : -f 1)" 496 LINENO_END="$(grep -n 'CONFIG_ZLIB_INFLATE y' ${KV_DIR}/lib/Config.in | cut -d : -f 1)"
469 LINENO_START="$(head -n $LINENO_END ${KV_DIR}/lib/Config.in | grep -n 'if \[' | tail -n 1 | cut -d : -f 1)" 497 LINENO_START="$(head -n $LINENO_END ${KV_DIR}/lib/Config.in | grep -n 'if \[' | tail -n 1 | cut -d : -f 1)"
470 (( LINENO_AMOUNT = $LINENO_END - $LINENO_START )) 498 (( LINENO_AMOUNT = $LINENO_END - $LINENO_START ))
471 (( LINENO_END = $LINENO_END - 1 )) 499 (( LINENO_END = $LINENO_END - 1 ))
472 SYMBOLS="$(head -n $LINENO_END ${KV_DIR}/lib/Config.in | tail -n $LINENO_AMOUNT | sed -e 's/^.*\(CONFIG_[^\" ]*\).*/\1/g;')" 500 SYMBOLS="$(head -n $LINENO_END ${KV_DIR}/lib/Config.in | tail -n $LINENO_AMOUNT | sed -e 's/^.*\(CONFIG_[^\" ]*\).*/\1/g;')"
478 # we have a winner! 506 # we have a winner!
479 einfo "${x} ensures zlib is linked into your kernel - excellent" 507 einfo "${x} ensures zlib is linked into your kernel - excellent"
480 return 0 508 return 0
481 fi 509 fi
482 done 510 done
483 511
484 eerror 512 eerror
485 eerror "This kernel module requires ZLIB library support." 513 eerror "This kernel module requires ZLIB library support."
486 eerror "You have enabled zlib support in your kernel, but haven't enabled" 514 eerror "You have enabled zlib support in your kernel, but haven't enabled"
487 eerror "enabled any option that will ensure that zlib is linked into your" 515 eerror "enabled any option that will ensure that zlib is linked into your"
488 eerror "kernel." 516 eerror "kernel."

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