/[gentoo-x86]/eclass/linux-info.eclass
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Revision 1.73 Revision 1.89
1# Copyright 1999-2006 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 1.73 2009/10/11 11:48:33 maekke Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/linux-info.eclass,v 1.89 2011/08/18 14:58:57 vapier Exp $
4# 4#
5# Original author: John Mylchreest <johnm@gentoo.org> 5# Original author: John Mylchreest <johnm@gentoo.org>
6# Maintainer: kernel-misc@gentoo.org 6# Maintainer: kernel-misc@gentoo.org
7# 7#
8# Please direct your bugs to the current eclass maintainer :) 8# Please direct your bugs to the current eclass maintainer :)
40# You can also check that an option doesn't exist by 40# You can also check that an option doesn't exist by
41# prepending it with an exclamation mark (!). 41# prepending it with an exclamation mark (!).
42# 42#
43# e.g.: CONFIG_CHECK="!MTRR" 43# e.g.: CONFIG_CHECK="!MTRR"
44# 44#
45# To simply warn about a missing option, prepend a '~'. 45# To simply warn about a missing option, prepend a '~'.
46# It may be combined with '!'. 46# It may be combined with '!'.
47# 47#
48# In general, most checks should be non-fatal. The only time fatal checks should 48# In general, most checks should be non-fatal. The only time fatal checks should
49# be used is for building kernel modules or cases that a compile will fail 49# be used is for building kernel modules or cases that a compile will fail
50# without the option. 50# without the option.
99# @ECLASS-VARIABLE: KV_OUT_DIR 99# @ECLASS-VARIABLE: KV_OUT_DIR
100# @DESCRIPTION: 100# @DESCRIPTION:
101# A read-only variable. It's a string containing the kernel object directory, will be KV_DIR unless 101# A read-only variable. It's a string containing the kernel object directory, will be KV_DIR unless
102# KBUILD_OUTPUT is used. This should be used for referencing .config. 102# KBUILD_OUTPUT is used. This should be used for referencing .config.
103 103
104# @ECLASS-VARIABLE: I_KNOW_WHAT_I_AM_DOING
105# @DESCRIPTION:
106# Temporary variable for the migration to making linux-info non-fatal.
107
108# And to ensure all the weirdness with crosscompile 104# And to ensure all the weirdness with crosscompile
109inherit toolchain-funcs versionator 105inherit toolchain-funcs versionator
110 106
111EXPORT_FUNCTIONS pkg_setup 107EXPORT_FUNCTIONS pkg_setup
112 108
113DEPEND="" 109DEPEND=""
114RDEPEND="" 110RDEPEND=""
115
116[ -z "${I_KNOW_WHAT_I_AM_DOING}" ] && \
117DEPEND="kernel_linux? ( virtual/linux-sources )"
118 111
119# Overwritable environment Var's 112# Overwritable environment Var's
120# --------------------------------------- 113# ---------------------------------------
121KERNEL_DIR="${KERNEL_DIR:-${ROOT}usr/src/linux}" 114KERNEL_DIR="${KERNEL_DIR:-${ROOT}usr/src/linux}"
122 115
153 esac 146 esac
154 [ -n "${outputmsg}" ] && ${type} "${outputmsg}" 147 [ -n "${outputmsg}" ] && ${type} "${outputmsg}"
155} 148}
156 149
157qeinfo() { qout einfo "${@}" ; } 150qeinfo() { qout einfo "${@}" ; }
151qewarn() { qout ewarn "${@}" ; }
158qeerror() { qout eerror "${@}" ; } 152qeerror() { qout eerror "${@}" ; }
159 153
160# File Functions 154# File Functions
161# --------------------------------------- 155# ---------------------------------------
162 156
213 eerror "getfilevar_noexec requires 2 variables, with the second a valid file." 207 eerror "getfilevar_noexec requires 2 variables, with the second a valid file."
214 eerror " getfilevar_noexec <VARIABLE> <CONFIGFILE>" 208 eerror " getfilevar_noexec <VARIABLE> <CONFIGFILE>"
215 else 209 else
216 ${mycat} "${2}" | \ 210 ${mycat} "${2}" | \
217 sed -n \ 211 sed -n \
218 -e "/^[[:space:]]*${1}[[:space:]]*=[[:space:]]*\(.*\)\$/{ 212 -e "/^[[:space:]]*${1}[[:space:]]*:\\?=[[:space:]]*\(.*\)\$/{
219 s,^[^=]*[[:space:]]*=[[:space:]]*,,g ; 213 s,^[^=]*[[:space:]]*=[[:space:]]*,,g ;
220 s,[[:space:]]*\$,,g ; 214 s,[[:space:]]*\$,,g ;
221 p 215 p
222 }" 216 }"
223 fi 217 fi
224} 218}
225 219
220# @PRIVATE-VARIABLE: _LINUX_CONFIG_EXISTS_DONE
221# @DESCRIPTION:
222# This is only set if one of the linux_config_*exists functions has been called.
223# We use it for a QA warning that the check for a config has not been performed,
224# as linux_chkconfig* in non-legacy mode WILL return an undefined value if no
225# config is available at all.
226_LINUX_CONFIG_EXISTS_DONE=
227
228linux_config_qa_check() {
229 local f="$1"
230 if [ -z "${_LINUX_CONFIG_EXISTS_DONE}" ]; then
231 ewarn "QA: You called $f before any linux_config_exists!"
232 ewarn "QA: The return value of $f will NOT guaranteed later!"
233 fi
234}
226 235
227# @FUNCTION: linux_config_src_exists 236# @FUNCTION: linux_config_src_exists
228# @RETURN: true or false 237# @RETURN: true or false
229# @DESCRIPTION: 238# @DESCRIPTION:
230# It returns true if .config exists in a build directory otherwise false 239# It returns true if .config exists in a build directory otherwise false
231linux_config_src_exists() { 240linux_config_src_exists() {
241 export _LINUX_CONFIG_EXISTS_DONE=1
232 [ -s "${KV_OUT_DIR}/.config" ] 242 [ -s "${KV_OUT_DIR}/.config" ]
233} 243}
234 244
235# @FUNCTION: linux_config_bin_exists 245# @FUNCTION: linux_config_bin_exists
236# @RETURN: true or false 246# @RETURN: true or false
237# @DESCRIPTION: 247# @DESCRIPTION:
238# It returns true if .config exists in /proc, otherwise false 248# It returns true if .config exists in /proc, otherwise false
239linux_config_bin_exists() { 249linux_config_bin_exists() {
250 export _LINUX_CONFIG_EXISTS_DONE=1
240 [ -s "/proc/config.gz" ] 251 [ -s "/proc/config.gz" ]
241} 252}
242 253
243# @FUNCTION: linux_config_exists 254# @FUNCTION: linux_config_exists
244# @RETURN: true or false 255# @RETURN: true or false
271# @DESCRIPTION: 282# @DESCRIPTION:
272# It checks that CONFIG_<option>=y or CONFIG_<option>=m is present in the current kernel .config 283# It checks that CONFIG_<option>=y or CONFIG_<option>=m is present in the current kernel .config
273# If linux_config_exists returns false, the results of this are UNDEFINED. You 284# If linux_config_exists returns false, the results of this are UNDEFINED. You
274# MUST call linux_config_exists first. 285# MUST call linux_config_exists first.
275linux_chkconfig_present() { 286linux_chkconfig_present() {
287 linux_config_qa_check linux_chkconfig_present
276local RESULT 288 local RESULT
277 [ -z "${I_KNOW_WHAT_I_AM_DOING}" ] && require_configured_kernel
278 local config 289 local config
279 config="${KV_OUT_DIR}/.config" 290 config="${KV_OUT_DIR}/.config"
280 [ ! -f "${config}" ] && config="/proc/config.gz" 291 [ ! -f "${config}" ] && config="/proc/config.gz"
281 RESULT="$(getfilevar_noexec CONFIG_${1} "${config}")" 292 RESULT="$(getfilevar_noexec CONFIG_${1} "${config}")"
282 [ "${RESULT}" = "m" -o "${RESULT}" = "y" ] && return 0 || return 1 293 [ "${RESULT}" = "m" -o "${RESULT}" = "y" ] && return 0 || return 1
288# @DESCRIPTION: 299# @DESCRIPTION:
289# It checks that CONFIG_<option>=m is present in the current kernel .config 300# It checks that CONFIG_<option>=m is present in the current kernel .config
290# If linux_config_exists returns false, the results of this are UNDEFINED. You 301# If linux_config_exists returns false, the results of this are UNDEFINED. You
291# MUST call linux_config_exists first. 302# MUST call linux_config_exists first.
292linux_chkconfig_module() { 303linux_chkconfig_module() {
304 linux_config_qa_check linux_chkconfig_module
293local RESULT 305 local RESULT
294 [ -z "${I_KNOW_WHAT_I_AM_DOING}" ] && require_configured_kernel
295 local config 306 local config
296 config="${KV_OUT_DIR}/.config" 307 config="${KV_OUT_DIR}/.config"
297 [ ! -f "${config}" ] && config="/proc/config.gz" 308 [ ! -f "${config}" ] && config="/proc/config.gz"
298 RESULT="$(getfilevar_noexec CONFIG_${1} "${config}")" 309 RESULT="$(getfilevar_noexec CONFIG_${1} "${config}")"
299 [ "${RESULT}" = "m" ] && return 0 || return 1 310 [ "${RESULT}" = "m" ] && return 0 || return 1
305# @DESCRIPTION: 316# @DESCRIPTION:
306# It checks that CONFIG_<option>=y is present in the current kernel .config 317# It checks that CONFIG_<option>=y is present in the current kernel .config
307# If linux_config_exists returns false, the results of this are UNDEFINED. You 318# If linux_config_exists returns false, the results of this are UNDEFINED. You
308# MUST call linux_config_exists first. 319# MUST call linux_config_exists first.
309linux_chkconfig_builtin() { 320linux_chkconfig_builtin() {
321 linux_config_qa_check linux_chkconfig_builtin
310local RESULT 322 local RESULT
311 [ -z "${I_KNOW_WHAT_I_AM_DOING}" ] && require_configured_kernel
312 local config 323 local config
313 config="${KV_OUT_DIR}/.config" 324 config="${KV_OUT_DIR}/.config"
314 [ ! -f "${config}" ] && config="/proc/config.gz" 325 [ ! -f "${config}" ] && config="/proc/config.gz"
315 RESULT="$(getfilevar_noexec CONFIG_${1} "${config}")" 326 RESULT="$(getfilevar_noexec CONFIG_${1} "${config}")"
316 [ "${RESULT}" = "y" ] && return 0 || return 1 327 [ "${RESULT}" = "y" ] && return 0 || return 1
322# @DESCRIPTION: 333# @DESCRIPTION:
323# It prints the CONFIG_<option> value of the current kernel .config (it requires a configured kernel). 334# It prints the CONFIG_<option> value of the current kernel .config (it requires a configured kernel).
324# If linux_config_exists returns false, the results of this are UNDEFINED. You 335# If linux_config_exists returns false, the results of this are UNDEFINED. You
325# MUST call linux_config_exists first. 336# MUST call linux_config_exists first.
326linux_chkconfig_string() { 337linux_chkconfig_string() {
327 [ -z "${I_KNOW_WHAT_I_AM_DOING}" ] && require_configured_kernel 338 linux_config_qa_check linux_chkconfig_string
328 local config 339 local config
329 config="${KV_OUT_DIR}/.config" 340 config="${KV_OUT_DIR}/.config"
330 [ ! -f "${config}" ] && config="/proc/config.gz" 341 [ ! -f "${config}" ] && config="/proc/config.gz"
331 getfilevar_noexec "CONFIG_${1}" "${config}" 342 getfilevar_noexec "CONFIG_${1}" "${config}"
332} 343}
354 365
355kernel_is() { 366kernel_is() {
356 # if we haven't determined the version yet, we need to. 367 # if we haven't determined the version yet, we need to.
357 linux-info_get_any_version 368 linux-info_get_any_version
358 369
359 local operator test value x=0 y=0 z=0 370 local operator testagainst value x=0 y=0 z=0
360 371
361 case ${1} in 372 case ${1} in
362 -lt|lt) operator="-lt"; shift;; 373 -lt|lt) operator="-lt"; shift;;
363 -gt|gt) operator="-gt"; shift;; 374 -gt|gt) operator="-gt"; shift;;
364 -le|le) operator="-le"; shift;; 375 -le|le) operator="-le"; shift;;
371 for((y=0; y<$((3 - ${#x})); y++)); do value="${value}0"; done 382 for((y=0; y<$((3 - ${#x})); y++)); do value="${value}0"; done
372 value="${value}${x}" 383 value="${value}${x}"
373 z=$((${z} + 1)) 384 z=$((${z} + 1))
374 385
375 case ${z} in 386 case ${z} in
376 1) for((y=0; y<$((3 - ${#KV_MAJOR})); y++)); do test="${test}0"; done; 387 1) for((y=0; y<$((3 - ${#KV_MAJOR})); y++)); do testagainst="${testagainst}0"; done;
377 test="${test}${KV_MAJOR}";; 388 testagainst="${testagainst}${KV_MAJOR}";;
378 2) for((y=0; y<$((3 - ${#KV_MINOR})); y++)); do test="${test}0"; done; 389 2) for((y=0; y<$((3 - ${#KV_MINOR})); y++)); do testagainst="${testagainst}0"; done;
379 test="${test}${KV_MINOR}";; 390 testagainst="${testagainst}${KV_MINOR}";;
380 3) for((y=0; y<$((3 - ${#KV_PATCH})); y++)); do test="${test}0"; done; 391 3) for((y=0; y<$((3 - ${#KV_PATCH})); y++)); do testagainst="${testagainst}0"; done;
381 test="${test}${KV_PATCH}";; 392 testagainst="${testagainst}${KV_PATCH}";;
382 *) die "Error in kernel-2_kernel_is(): Too many parameters.";; 393 *) die "Error in kernel-2_kernel_is(): Too many parameters.";;
383 esac 394 esac
384 done 395 done
385 396
386 [ ${test} ${operator} ${value} ] && return 0 || return 1 397 [ "${testagainst}" ${operator} "${value}" ] && return 0 || return 1
387} 398}
388 399
389get_localversion() { 400get_localversion() {
390 local lv_list i x 401 local lv_list i x
391 402
399 done 410 done
400 x=${x/ /} 411 x=${x/ /}
401 echo ${x} 412 echo ${x}
402} 413}
403 414
415# Check if the Makefile is valid for direct parsing.
416# Check status results:
417# - PASS, use 'getfilevar' to extract values
418# - FAIL, use 'getfilevar_noexec' to extract values
419# The check may fail if:
420# - make is not present
421# - corruption exists in the kernel makefile
422get_makefile_extract_function() {
423 local a='' b='' mkfunc='getfilevar'
424 a="$(getfilevar VERSION ${KERNEL_MAKEFILE})"
425 b="$(getfilevar_noexec VERSION ${KERNEL_MAKEFILE})"
426 [[ "${a}" != "${b}" ]] && mkfunc='getfilevar_noexec'
427 echo "${mkfunc}"
428}
429
404# internal variable, so we know to only print the warning once 430# internal variable, so we know to only print the warning once
405get_version_warning_done= 431get_version_warning_done=
406 432
407# @FUNCTION: get_version 433# @FUNCTION: get_version
408# @DESCRIPTION: 434# @DESCRIPTION:
413# 439#
414# The KV_DIR is set using the KERNEL_DIR env var, the KV_DIR_OUT is set using a valid 440# The KV_DIR is set using the KERNEL_DIR env var, the KV_DIR_OUT is set using a valid
415# KBUILD_OUTPUT (in a decreasing priority list, we look for the env var, makefile var or the 441# KBUILD_OUTPUT (in a decreasing priority list, we look for the env var, makefile var or the
416# symlink /lib/modules/${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}${KV_EXTRA}/build). 442# symlink /lib/modules/${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}${KV_EXTRA}/build).
417get_version() { 443get_version() {
418 local kbuild_output 444 local kbuild_output mkfunc tmplocal
419 445
420 # no need to execute this twice assuming KV_FULL is populated. 446 # no need to execute this twice assuming KV_FULL is populated.
421 # we can force by unsetting KV_FULL 447 # we can force by unsetting KV_FULL
422 [ -n "${KV_FULL}" ] && return 0 448 [ -n "${KV_FULL}" ] && return 0
423 449
467 # KBUILD_OUTPUT, and we need this for .config and localversions-* 493 # KBUILD_OUTPUT, and we need this for .config and localversions-*
468 # so we better find it eh? 494 # so we better find it eh?
469 # do we pass KBUILD_OUTPUT on the CLI? 495 # do we pass KBUILD_OUTPUT on the CLI?
470 OUTPUT_DIR="${OUTPUT_DIR:-${KBUILD_OUTPUT}}" 496 OUTPUT_DIR="${OUTPUT_DIR:-${KBUILD_OUTPUT}}"
471 497
498 # keep track of it
499 KERNEL_MAKEFILE="${KV_DIR}/Makefile"
500
501 # Decide the function used to extract makefile variables.
502 mkfunc="$(get_makefile_extract_function "${KERNEL_MAKEFILE}")"
503
472 # And if we didn't pass it, we can take a nosey in the Makefile 504 # And if we didn't pass it, we can take a nosey in the Makefile
473 kbuild_output="$(getfilevar_noexec KBUILD_OUTPUT ${KV_DIR}/Makefile)" 505 kbuild_output="$(${mkfunc} KBUILD_OUTPUT ${KERNEL_MAKEFILE})"
474 OUTPUT_DIR="${OUTPUT_DIR:-${kbuild_output}}" 506 OUTPUT_DIR="${OUTPUT_DIR:-${kbuild_output}}"
475 507
476 # And contrary to existing functions I feel we shouldn't trust the 508 # And contrary to existing functions I feel we shouldn't trust the
477 # directory name to find version information as this seems insane. 509 # directory name to find version information as this seems insane.
478 # so we parse ${KV_DIR}/Makefile 510 # so we parse ${KERNEL_MAKEFILE}
479 KV_MAJOR="$(getfilevar_noexec VERSION ${KV_DIR}/Makefile)" 511 KV_MAJOR="$(${mkfunc} VERSION ${KERNEL_MAKEFILE})"
480 KV_MINOR="$(getfilevar_noexec PATCHLEVEL ${KV_DIR}/Makefile)" 512 KV_MINOR="$(${mkfunc} PATCHLEVEL ${KERNEL_MAKEFILE})"
481 KV_PATCH="$(getfilevar_noexec SUBLEVEL ${KV_DIR}/Makefile)" 513 KV_PATCH="$(${mkfunc} SUBLEVEL ${KERNEL_MAKEFILE})"
482 KV_EXTRA="$(getfilevar_noexec EXTRAVERSION ${KV_DIR}/Makefile)" 514 KV_EXTRA="$(${mkfunc} EXTRAVERSION ${KERNEL_MAKEFILE})"
483 515
484 if [ -z "${KV_MAJOR}" -o -z "${KV_MINOR}" -o -z "${KV_PATCH}" ] 516 if [ -z "${KV_MAJOR}" -o -z "${KV_MINOR}" -o -z "${KV_PATCH}" ]
485 then 517 then
486 if [ -z "${get_version_warning_done}" ]; then 518 if [ -z "${get_version_warning_done}" ]; then
487 get_version_warning_done=1 519 get_version_warning_done=1
493 525
494 # and in newer versions we can also pull LOCALVERSION if it is set. 526 # and in newer versions we can also pull LOCALVERSION if it is set.
495 # but before we do this, we need to find if we use a different object directory. 527 # but before we do this, we need to find if we use a different object directory.
496 # This *WILL* break if the user is using localversions, but we assume it was 528 # This *WILL* break if the user is using localversions, but we assume it was
497 # caught before this if they are. 529 # caught before this if they are.
498 [ "${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}${KV_EXTRA}" == "$(uname -r)" ] && \
499 OUTPUT_DIR="${OUTPUT_DIR:-/lib/modules/${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}${KV_EXTRA}/build}" 530 OUTPUT_DIR="${OUTPUT_DIR:-/lib/modules/${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}${KV_EXTRA}/build}"
500 531
501 [ -h "${OUTPUT_DIR}" ] && KV_OUT_DIR="$(readlink -f ${OUTPUT_DIR})" 532 [ -h "${OUTPUT_DIR}" ] && KV_OUT_DIR="$(readlink -f ${OUTPUT_DIR})"
502 [ -d "${OUTPUT_DIR}" ] && KV_OUT_DIR="${OUTPUT_DIR}" 533 [ -d "${OUTPUT_DIR}" ] && KV_OUT_DIR="${OUTPUT_DIR}"
503 if [ -n "${KV_OUT_DIR}" ]; 534 if [ -n "${KV_OUT_DIR}" ];
504 then 535 then
505 qeinfo "Found kernel object directory:" 536 qeinfo "Found kernel object directory:"
506 qeinfo " ${KV_OUT_DIR}" 537 qeinfo " ${KV_OUT_DIR}"
507
508 KV_LOCAL="$(get_localversion ${KV_OUT_DIR})"
509 fi 538 fi
510 # and if we STILL have not got it, then we better just set it to KV_DIR 539 # and if we STILL have not got it, then we better just set it to KV_DIR
511 KV_OUT_DIR="${KV_OUT_DIR:-${KV_DIR}}" 540 KV_OUT_DIR="${KV_OUT_DIR:-${KV_DIR}}"
512 541
513 KV_LOCAL="${KV_LOCAL}$(get_localversion ${KV_DIR})" 542 # Grab the kernel release from the output directory.
514 if linux_config_src_exists; then 543 # TODO: we MUST detect kernel.release being out of date, and 'return 1' from
515 KV_LOCAL="${KV_LOCAL}$(linux_chkconfig_string LOCALVERSION)" 544 # this function.
516 KV_LOCAL="${KV_LOCAL//\"/}" 545 if [ -s "${KV_OUT_DIR}"/include/config/kernel.release ]; then
546 KV_LOCAL=$(<"${KV_OUT_DIR}"/include/config/kernel.release)
547 elif [ -s "${KV_OUT_DIR}"/.kernelrelease ]; then
548 KV_LOCAL=$(<"${KV_OUT_DIR}"/.kernelrelease)
549 else
550 KV_LOCAL=
551 fi
517 552
518 # For things like git that can append extra stuff: 553 # KV_LOCAL currently contains the full release; discard the first bits.
519 [ -e ${KV_DIR}/scripts/setlocalversion ] && 554 tmplocal=${KV_LOCAL#${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}${KV_EXTRA}}
520 linux_chkconfig_builtin LOCALVERSION_AUTO && 555
521 KV_LOCAL="${KV_LOCAL}$(sh ${KV_DIR}/scripts/setlocalversion ${KV_DIR})" 556 # If the updated local version was not changed, the tree is not prepared.
557 # Clear out KV_LOCAL in that case.
558 # TODO: this does not detect a change in the localversion part between
559 # kernel.release and the value that would be generated.
560 if [ "$KV_LOCAL" = "$tmplocal" ]; then
561 KV_LOCAL=
562 else
563 KV_LOCAL=$tmplocal
522 fi 564 fi
523 565
524 # And we should set KV_FULL to the full expanded version 566 # And we should set KV_FULL to the full expanded version
525 KV_FULL="${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}${KV_EXTRA}${KV_LOCAL}" 567 KV_FULL="${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}${KV_EXTRA}${KV_LOCAL}"
526 568
535# It gets the version of the current running kernel and the result is the same as get_version() if the 577# It gets the version of the current running kernel and the result is the same as get_version() if the
536# function can find the sources. 578# function can find the sources.
537get_running_version() { 579get_running_version() {
538 KV_FULL=$(uname -r) 580 KV_FULL=$(uname -r)
539 581
582 if [[ -f ${ROOT}/lib/modules/${KV_FULL}/source/Makefile && -f ${ROOT}/lib/modules/${KV_FULL}/build/Makefile ]]; then
583 KERNEL_DIR=$(readlink -f ${ROOT}/lib/modules/${KV_FULL}/source)
584 KBUILD_OUTPUT=$(readlink -f ${ROOT}/lib/modules/${KV_FULL}/build)
585 unset KV_FULL
586 get_version
587 return $?
540 if [[ -f ${ROOT}/lib/modules/${KV_FULL}/source/Makefile ]]; then 588 elif [[ -f ${ROOT}/lib/modules/${KV_FULL}/source/Makefile ]]; then
541 KERNEL_DIR=$(readlink -f ${ROOT}/lib/modules/${KV_FULL}/source) 589 KERNEL_DIR=$(readlink -f ${ROOT}/lib/modules/${KV_FULL}/source)
542 unset KV_FULL 590 unset KV_FULL
543 get_version 591 get_version
544 return $? 592 return $?
545 elif [[ -f ${ROOT}/lib/modules/${KV_FULL}/build/Makefile ]]; then 593 elif [[ -f ${ROOT}/lib/modules/${KV_FULL}/build/Makefile ]]; then
548 get_version 596 get_version
549 return $? 597 return $?
550 else 598 else
551 KV_MAJOR=$(get_version_component_range 1 ${KV_FULL}) 599 KV_MAJOR=$(get_version_component_range 1 ${KV_FULL})
552 KV_MINOR=$(get_version_component_range 2 ${KV_FULL}) 600 KV_MINOR=$(get_version_component_range 2 ${KV_FULL})
553 KV_PATCH=$(get_version_component_range 3- ${KV_FULL}) 601 KV_PATCH=$(get_version_component_range 3 ${KV_FULL})
554 KV_PATCH=${KV_PATCH//-*} 602 KV_PATCH=${KV_PATCH//-*}
555 [[ -n ${KV_FULL#*-} ]] && [[ -n ${KV_FULL//${KV_FULL#*-}} ]] \ 603 KV_EXTRA="${KV_FULL#${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}}"
556 && KV_EXTRA="-${KV_FULL#*-}"
557 fi 604 fi
558 return 0 605 return 0
559} 606}
560 607
561# This next function is named with the eclass prefix to avoid conflicts with 608# This next function is named with the eclass prefix to avoid conflicts with
622# It checks the kernel config options specified by CONFIG_CHECK. It dies only when a required config option (i.e. 669# It checks the kernel config options specified by CONFIG_CHECK. It dies only when a required config option (i.e.
623# the prefix ~ is not used) doesn't satisfy the directive. 670# the prefix ~ is not used) doesn't satisfy the directive.
624check_extra_config() { 671check_extra_config() {
625 local config negate die error reworkmodulenames 672 local config negate die error reworkmodulenames
626 local soft_errors_count=0 hard_errors_count=0 config_required=0 673 local soft_errors_count=0 hard_errors_count=0 config_required=0
674 # store the value of the QA check, because otherwise we won't catch usages
675 # after if check_extra_config is called AND other direct calls are done
676 # later.
677 local old_LINUX_CONFIG_EXISTS_DONE="${_LINUX_CONFIG_EXISTS_DONE}"
627 678
628 # if we haven't determined the version yet, we need to 679 # if we haven't determined the version yet, we need to
629 linux-info_get_any_version 680 linux-info_get_any_version
630 681
631 # Determine if we really need a .config. The only time when we don't need 682 # Determine if we really need a .config. The only time when we don't need
636 config_required=1 687 config_required=1
637 break 688 break
638 fi 689 fi
639 done 690 done
640 691
641 # TODO: After we enable the new code for /proc/config.gz, we need to
642 # change this back to linux_config_exists.
643 if [[ ${config_required} == 0 ]]; then 692 if [[ ${config_required} == 0 ]]; then
644 # In the case where we don't require a .config, we can now bail out 693 # In the case where we don't require a .config, we can now bail out
645 # if the user has no .config as there is nothing to do. Otherwise 694 # if the user has no .config as there is nothing to do. Otherwise
646 # code later will cause a failure due to missing .config. 695 # code later will cause a failure due to missing .config.
647 if ! linux_config_src_exists; then 696 if ! linux_config_exists; then
648 ewarn "Unable to check for the following kernel config options due" 697 ewarn "Unable to check for the following kernel config options due"
649 ewarn "to absence of any configured kernel sources or compiled" 698 ewarn "to absence of any configured kernel sources or compiled"
650 ewarn "config:" 699 ewarn "config:"
651 for config in ${CONFIG_CHECK}; do 700 for config in ${CONFIG_CHECK}; do
701 local_error="ERROR_${config#\~}"
702 msg="${!local_error}"
703 if [[ "x${msg}" == "x" ]]; then
704 local_error="WARNING_${config#\~}"
705 msg="${!local_error}"
706 fi
652 ewarn " - ${config#\~}" 707 ewarn " - ${config#\~}${msg:+ - }${msg}"
653 done 708 done
654 ewarn "You're on your own to make sure they are set if needed." 709 ewarn "You're on your own to make sure they are set if needed."
710 export LINUX_CONFIG_EXISTS_DONE="${old_LINUX_CONFIG_EXISTS_DONE}"
655 return 0 711 return 0
656 fi 712 fi
657 else 713 else
658 [ -n "${I_KNOW_WHAT_I_AM_DOING}" ] && require_configured_kernel 714 require_configured_kernel
659 fi 715 fi
660 716
661 einfo "Checking for suitable kernel configuration options..." 717 einfo "Checking for suitable kernel configuration options..."
662 718
663 for config in ${CONFIG_CHECK} 719 for config in ${CONFIG_CHECK}
736 if [[ ${hard_errors_count} > 0 ]]; then 792 if [[ ${hard_errors_count} > 0 ]]; then
737 eerror "Please check to make sure these options are set correctly." 793 eerror "Please check to make sure these options are set correctly."
738 eerror "Failure to do so may cause unexpected problems." 794 eerror "Failure to do so may cause unexpected problems."
739 eerror "Once you have satisfied these options, please try merging" 795 eerror "Once you have satisfied these options, please try merging"
740 eerror "this package again." 796 eerror "this package again."
797 export LINUX_CONFIG_EXISTS_DONE="${old_LINUX_CONFIG_EXISTS_DONE}"
741 die "Incorrect kernel configuration options" 798 die "Incorrect kernel configuration options"
742 elif [[ ${soft_errors_count} > 0 ]]; then 799 elif [[ ${soft_errors_count} > 0 ]]; then
743 ewarn "Please check to make sure these options are set correctly." 800 ewarn "Please check to make sure these options are set correctly."
744 ewarn "Failure to do so may cause unexpected problems." 801 ewarn "Failure to do so may cause unexpected problems."
745 else 802 else
746 eend 0 803 eend 0
747 fi 804 fi
805 export LINUX_CONFIG_EXISTS_DONE="${old_LINUX_CONFIG_EXISTS_DONE}"
748} 806}
749 807
750check_zlibinflate() { 808check_zlibinflate() {
751 # if we haven't determined the version yet, we need to 809 # if we haven't determined the version yet, we need to
752 require_configured_kernel 810 require_configured_kernel

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