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Revision 1.63 Revision 1.86
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 1.63 2009/09/06 23:04:37 robbat2 Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/linux-info.eclass,v 1.86 2010/08/05 21:57:53 robbat2 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 :)
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="kernel_linux? ( virtual/linux-sources )" 109DEPEND=""
114RDEPEND="" 110RDEPEND=""
115 111
116# Overwritable environment Var's 112# Overwritable environment Var's
117# --------------------------------------- 113# ---------------------------------------
118KERNEL_DIR="${KERNEL_DIR:-${ROOT}usr/src/linux}" 114KERNEL_DIR="${KERNEL_DIR:-${ROOT}usr/src/linux}"
150 esac 146 esac
151 [ -n "${outputmsg}" ] && ${type} "${outputmsg}" 147 [ -n "${outputmsg}" ] && ${type} "${outputmsg}"
152} 148}
153 149
154qeinfo() { qout einfo "${@}" ; } 150qeinfo() { qout einfo "${@}" ; }
151qewarn() { qout ewarn "${@}" ; }
155qeerror() { qout eerror "${@}" ; } 152qeerror() { qout eerror "${@}" ; }
156 153
157# File Functions 154# File Functions
158# --------------------------------------- 155# ---------------------------------------
159 156
200 ERROR=0 197 ERROR=0
201 mycat='cat' 198 mycat='cat'
202 199
203 [ -z "${1}" ] && ERROR=1 200 [ -z "${1}" ] && ERROR=1
204 [ ! -f "${2}" ] && ERROR=1 201 [ ! -f "${2}" ] && ERROR=1
205 [ "${2#.gz}" != "${2}" ] && mycat='zcat' 202 [ "${2%.gz}" != "${2}" ] && mycat='zcat'
206 203
207 if [ "${ERROR}" = 1 ] 204 if [ "${ERROR}" = 1 ]
208 then 205 then
209 echo -e "\n" 206 echo -e "\n"
210 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."
211 eerror " getfilevar_noexec <VARIABLE> <CONFIGFILE>" 208 eerror " getfilevar_noexec <VARIABLE> <CONFIGFILE>"
212 else 209 else
213 ${mycat} "${2}" | \ 210 ${mycat} "${2}" | \
214 sed -n \ 211 sed -n \
215 -e "/^[[:space:]]*${1}[[:space:]]*=[[:space:]]*\(.*\)\$/{ 212 -e "/^[[:space:]]*${1}[[:space:]]*:\\?=[[:space:]]*\(.*\)\$/{
216 s,^[^=]*[[:space:]]*=[[:space:]]*,,g ; 213 s,^[^=]*[[:space:]]*=[[:space:]]*,,g ;
217 s,[[:space:]]*\$,,g ; 214 s,[[:space:]]*\$,,g ;
218 p 215 p
219 }" 216 }"
220 fi 217 fi
221} 218}
222 219
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 $f will NOT gaurenteed later!"
233 fi
234}
223 235
224# @FUNCTION: linux_config_src_exists 236# @FUNCTION: linux_config_src_exists
225# @RETURN: true or false 237# @RETURN: true or false
226# @DESCRIPTION: 238# @DESCRIPTION:
227# It returns true if .config exists in a build directory otherwise false 239# It returns true if .config exists in a build directory otherwise false
228linux_config_src_exists() { 240linux_config_src_exists() {
241 export _LINUX_CONFIG_EXISTS_DONE=1
229 [ -s "${KV_OUT_DIR}/.config" ] 242 [ -s "${KV_OUT_DIR}/.config" ]
230} 243}
231 244
232# @FUNCTION: linux_config_bin_exists 245# @FUNCTION: linux_config_bin_exists
233# @RETURN: true or false 246# @RETURN: true or false
234# @DESCRIPTION: 247# @DESCRIPTION:
235# It returns true if .config exists in /proc, otherwise false 248# It returns true if .config exists in /proc, otherwise false
236linux_config_bin_exists() { 249linux_config_bin_exists() {
250 export _LINUX_CONFIG_EXISTS_DONE=1
237 [ -s "/proc/config.gz" ] 251 [ -s "/proc/config.gz" ]
238} 252}
239 253
240# @FUNCTION: linux_config_exists 254# @FUNCTION: linux_config_exists
241# @RETURN: true or false 255# @RETURN: true or false
268# @DESCRIPTION: 282# @DESCRIPTION:
269# It checks that CONFIG_<option>=y or CONFIG_<option>=m is present in the current kernel .config 283# It checks that CONFIG_<option>=y or CONFIG_<option>=m is present in the current kernel .config
270# If linux_config_exists returns false, the results of this are UNDEFINED. You 284# If linux_config_exists returns false, the results of this are UNDEFINED. You
271# MUST call linux_config_exists first. 285# MUST call linux_config_exists first.
272linux_chkconfig_present() { 286linux_chkconfig_present() {
287 linux_config_qa_check linux_chkconfig_present
273local RESULT 288 local RESULT
274 [ -z "${I_KNOW_WHAT_I_AM_DOING}" ] && require_configured_kernel
275 local config 289 local config
276 config="${KV_OUT_DIR}/.config" 290 config="${KV_OUT_DIR}/.config"
277 [ ! -f "${config}" ] && config="/proc/config.gz" 291 [ ! -f "${config}" ] && config="/proc/config.gz"
278 RESULT="$(getfilevar_noexec CONFIG_${1} "${config}")" 292 RESULT="$(getfilevar_noexec CONFIG_${1} "${config}")"
279 [ "${RESULT}" = "m" -o "${RESULT}" = "y" ] && return 0 || return 1 293 [ "${RESULT}" = "m" -o "${RESULT}" = "y" ] && return 0 || return 1
285# @DESCRIPTION: 299# @DESCRIPTION:
286# 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
287# 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
288# MUST call linux_config_exists first. 302# MUST call linux_config_exists first.
289linux_chkconfig_module() { 303linux_chkconfig_module() {
304 linux_config_qa_check linux_chkconfig_module
290local RESULT 305 local RESULT
291 [ -z "${I_KNOW_WHAT_I_AM_DOING}" ] && require_configured_kernel
292 local config 306 local config
293 config="${KV_OUT_DIR}/.config" 307 config="${KV_OUT_DIR}/.config"
294 [ ! -f "${config}" ] && config="/proc/config.gz" 308 [ ! -f "${config}" ] && config="/proc/config.gz"
295 RESULT="$(getfilevar_noexec CONFIG_${1} "${config}")" 309 RESULT="$(getfilevar_noexec CONFIG_${1} "${config}")"
296 [ "${RESULT}" = "m" ] && return 0 || return 1 310 [ "${RESULT}" = "m" ] && return 0 || return 1
302# @DESCRIPTION: 316# @DESCRIPTION:
303# It checks that CONFIG_<option>=y is present in the current kernel .config 317# It checks that CONFIG_<option>=y is present in the current kernel .config
304# If linux_config_exists returns false, the results of this are UNDEFINED. You 318# If linux_config_exists returns false, the results of this are UNDEFINED. You
305# MUST call linux_config_exists first. 319# MUST call linux_config_exists first.
306linux_chkconfig_builtin() { 320linux_chkconfig_builtin() {
321 linux_config_qa_check linux_chkconfig_builtin
307local RESULT 322 local RESULT
308 [ -z "${I_KNOW_WHAT_I_AM_DOING}" ] && require_configured_kernel
309 local config 323 local config
310 config="${KV_OUT_DIR}/.config" 324 config="${KV_OUT_DIR}/.config"
311 [ ! -f "${config}" ] && config="/proc/config.gz" 325 [ ! -f "${config}" ] && config="/proc/config.gz"
312 RESULT="$(getfilevar_noexec CONFIG_${1} "${config}")" 326 RESULT="$(getfilevar_noexec CONFIG_${1} "${config}")"
313 [ "${RESULT}" = "y" ] && return 0 || return 1 327 [ "${RESULT}" = "y" ] && return 0 || return 1
319# @DESCRIPTION: 333# @DESCRIPTION:
320# 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).
321# 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
322# MUST call linux_config_exists first. 336# MUST call linux_config_exists first.
323linux_chkconfig_string() { 337linux_chkconfig_string() {
324 [ -z "${I_KNOW_WHAT_I_AM_DOING}" ] && require_configured_kernel 338 linux_config_qa_check linux_chkconfig_string
325 local config 339 local config
326 config="${KV_OUT_DIR}/.config" 340 config="${KV_OUT_DIR}/.config"
327 [ ! -f "${config}" ] && config="/proc/config.gz" 341 [ ! -f "${config}" ] && config="/proc/config.gz"
328 getfilevar_noexec "CONFIG_${1}" "${config}" 342 getfilevar_noexec "CONFIG_${1}" "${config}"
329} 343}
349 363
350# got the jist yet? 364# got the jist yet?
351 365
352kernel_is() { 366kernel_is() {
353 # if we haven't determined the version yet, we need to. 367 # if we haven't determined the version yet, we need to.
354 get_version 368 linux-info_get_any_version
369
355 local operator test value x=0 y=0 z=0 370 local operator testagainst value x=0 y=0 z=0
356 371
357 case ${1} in 372 case ${1} in
358 lt) operator="-lt"; shift;; 373 -lt|lt) operator="-lt"; shift;;
359 gt) operator="-gt"; shift;; 374 -gt|gt) operator="-gt"; shift;;
360 le) operator="-le"; shift;; 375 -le|le) operator="-le"; shift;;
361 ge) operator="-ge"; shift;; 376 -ge|ge) operator="-ge"; shift;;
362 eq) operator="-eq"; shift;; 377 -eq|eq) operator="-eq"; shift;;
363 *) operator="-eq";; 378 *) operator="-eq";;
364 esac 379 esac
365 380
366 for x in ${@}; do 381 for x in ${@}; do
367 for((y=0; y<$((3 - ${#x})); y++)); do value="${value}0"; done 382 for((y=0; y<$((3 - ${#x})); y++)); do value="${value}0"; done
368 value="${value}${x}" 383 value="${value}${x}"
369 z=$((${z} + 1)) 384 z=$((${z} + 1))
370 385
371 case ${z} in 386 case ${z} in
372 1) for((y=0; y<$((3 - ${#KV_MAJOR})); y++)); do test="${test}0"; done; 387 1) for((y=0; y<$((3 - ${#KV_MAJOR})); y++)); do testagainst="${testagainst}0"; done;
373 test="${test}${KV_MAJOR}";; 388 testagainst="${testagainst}${KV_MAJOR}";;
374 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;
375 test="${test}${KV_MINOR}";; 390 testagainst="${testagainst}${KV_MINOR}";;
376 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;
377 test="${test}${KV_PATCH}";; 392 testagainst="${testagainst}${KV_PATCH}";;
378 *) die "Error in kernel-2_kernel_is(): Too many parameters.";; 393 *) die "Error in kernel-2_kernel_is(): Too many parameters.";;
379 esac 394 esac
380 done 395 done
381 396
382 [ ${test} ${operator} ${value} ] && return 0 || return 1 397 [ "${testagainst}" ${operator} "${value}" ] && return 0 || return 1
383} 398}
384 399
385get_localversion() { 400get_localversion() {
386 local lv_list i x 401 local lv_list i x
387 402
395 done 410 done
396 x=${x/ /} 411 x=${x/ /}
397 echo ${x} 412 echo ${x}
398} 413}
399 414
415# Check if the Makefile is valid for direct parsing.
416# Check status results:
417# - PASS, use 'getfilevar' to extract values
418# - FAIL, use 'getfilevar_noexec' to extract values
419# The check may fail if:
420# - make is not present
421# - corruption exists in the kernel makefile
422get_makefile_extract_function() {
423 local a='' b='' mkfunc='getfilevar'
424 a="$(getfilevar VERSION ${KERNEL_MAKEFILE})"
425 b="$(getfilevar_noexec VERSION ${KERNEL_MAKEFILE})"
426 [[ "${a}" != "${b}" ]] && mkfunc='getfilevar_noexec'
427 echo "${mkfunc}"
428}
429
400# internal variable, so we know to only print the warning once 430# internal variable, so we know to only print the warning once
401get_version_warning_done= 431get_version_warning_done=
402 432
403# @FUNCTION: get_version 433# @FUNCTION: get_version
404# @DESCRIPTION: 434# @DESCRIPTION:
409# 439#
410# 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
411# 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
412# 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).
413get_version() { 443get_version() {
414 local kbuild_output 444 local kbuild_output mkfunc tmplocal
415 445
416 # no need to execute this twice assuming KV_FULL is populated. 446 # no need to execute this twice assuming KV_FULL is populated.
417 # we can force by unsetting KV_FULL 447 # we can force by unsetting KV_FULL
418 [ -n "${KV_FULL}" ] && return 0 448 [ -n "${KV_FULL}" ] && return 0
419 449
463 # KBUILD_OUTPUT, and we need this for .config and localversions-* 493 # KBUILD_OUTPUT, and we need this for .config and localversions-*
464 # so we better find it eh? 494 # so we better find it eh?
465 # do we pass KBUILD_OUTPUT on the CLI? 495 # do we pass KBUILD_OUTPUT on the CLI?
466 OUTPUT_DIR="${OUTPUT_DIR:-${KBUILD_OUTPUT}}" 496 OUTPUT_DIR="${OUTPUT_DIR:-${KBUILD_OUTPUT}}"
467 497
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 "${KERNEL_MAKEFILE}")"
503
468 # And if we didn't pass it, we can take a nosey in the Makefile 504 # And if we didn't pass it, we can take a nosey in the Makefile
469 kbuild_output="$(getfilevar_noexec KBUILD_OUTPUT ${KV_DIR}/Makefile)" 505 kbuild_output="$(${mkfunc} KBUILD_OUTPUT ${KERNEL_MAKEFILE})"
470 OUTPUT_DIR="${OUTPUT_DIR:-${kbuild_output}}" 506 OUTPUT_DIR="${OUTPUT_DIR:-${kbuild_output}}"
471 507
472 # 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
473 # directory name to find version information as this seems insane. 509 # directory name to find version information as this seems insane.
474 # so we parse ${KV_DIR}/Makefile 510 # so we parse ${KERNEL_MAKEFILE}
475 KV_MAJOR="$(getfilevar_noexec VERSION ${KV_DIR}/Makefile)" 511 KV_MAJOR="$(${mkfunc} VERSION ${KERNEL_MAKEFILE})"
476 KV_MINOR="$(getfilevar_noexec PATCHLEVEL ${KV_DIR}/Makefile)" 512 KV_MINOR="$(${mkfunc} PATCHLEVEL ${KERNEL_MAKEFILE})"
477 KV_PATCH="$(getfilevar_noexec SUBLEVEL ${KV_DIR}/Makefile)" 513 KV_PATCH="$(${mkfunc} SUBLEVEL ${KERNEL_MAKEFILE})"
478 KV_EXTRA="$(getfilevar_noexec EXTRAVERSION ${KV_DIR}/Makefile)" 514 KV_EXTRA="$(${mkfunc} EXTRAVERSION ${KERNEL_MAKEFILE})"
479 515
480 if [ -z "${KV_MAJOR}" -o -z "${KV_MINOR}" -o -z "${KV_PATCH}" ] 516 if [ -z "${KV_MAJOR}" -o -z "${KV_MINOR}" -o -z "${KV_PATCH}" ]
481 then 517 then
482 if [ -z "${get_version_warning_done}" ]; then 518 if [ -z "${get_version_warning_done}" ]; then
483 get_version_warning_done=1 519 get_version_warning_done=1
489 525
490 # and in newer versions we can also pull LOCALVERSION if it is set. 526 # and in newer versions we can also pull LOCALVERSION if it is set.
491 # but before we do this, we need to find if we use a different object directory. 527 # but before we do this, we need to find if we use a different object directory.
492 # This *WILL* break if the user is using localversions, but we assume it was 528 # This *WILL* break if the user is using localversions, but we assume it was
493 # caught before this if they are. 529 # caught before this if they are.
494 [ "${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}${KV_EXTRA}" == "$(uname -r)" ] && \
495 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}"
496 531
497 [ -h "${OUTPUT_DIR}" ] && KV_OUT_DIR="$(readlink -f ${OUTPUT_DIR})" 532 [ -h "${OUTPUT_DIR}" ] && KV_OUT_DIR="$(readlink -f ${OUTPUT_DIR})"
498 [ -d "${OUTPUT_DIR}" ] && KV_OUT_DIR="${OUTPUT_DIR}" 533 [ -d "${OUTPUT_DIR}" ] && KV_OUT_DIR="${OUTPUT_DIR}"
499 if [ -n "${KV_OUT_DIR}" ]; 534 if [ -n "${KV_OUT_DIR}" ];
500 then 535 then
501 qeinfo "Found kernel object directory:" 536 qeinfo "Found kernel object directory:"
502 qeinfo " ${KV_OUT_DIR}" 537 qeinfo " ${KV_OUT_DIR}"
503
504 KV_LOCAL="$(get_localversion ${KV_OUT_DIR})"
505 fi 538 fi
506 # and if we STILL have not got it, then we better just set it to KV_DIR 539 # and if we STILL have not got it, then we better just set it to KV_DIR
507 KV_OUT_DIR="${KV_OUT_DIR:-${KV_DIR}}" 540 KV_OUT_DIR="${KV_OUT_DIR:-${KV_DIR}}"
508 541
509 KV_LOCAL="${KV_LOCAL}$(get_localversion ${KV_DIR})" 542 # Grab the kernel release from the output directory.
510 if linux_config_exists; then 543 # TODO: we MUST detect kernel.release being out of date, and 'return 1' from
511 KV_LOCAL="${KV_LOCAL}$(linux_chkconfig_string LOCALVERSION)" 544 # this function.
512 KV_LOCAL="${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
513 552
514 # For things like git that can append extra stuff: 553 # KV_LOCAL currently contains the full release; discard the first bits.
515 [ -e ${KV_DIR}/scripts/setlocalversion ] && 554 tmplocal=${KV_LOCAL#${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}${KV_EXTRA}}
516 linux_chkconfig_builtin LOCALVERSION_AUTO && 555
517 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
518 fi 564 fi
519 565
520 # And we should set KV_FULL to the full expanded version 566 # And we should set KV_FULL to the full expanded version
521 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}"
522 568
531# 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
532# function can find the sources. 578# function can find the sources.
533get_running_version() { 579get_running_version() {
534 KV_FULL=$(uname -r) 580 KV_FULL=$(uname -r)
535 581
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 $?
536 if [[ -f ${ROOT}/lib/modules/${KV_FULL}/source/Makefile ]]; then 588 elif [[ -f ${ROOT}/lib/modules/${KV_FULL}/source/Makefile ]]; then
537 KERNEL_DIR=$(readlink -f ${ROOT}/lib/modules/${KV_FULL}/source) 589 KERNEL_DIR=$(readlink -f ${ROOT}/lib/modules/${KV_FULL}/source)
538 unset KV_FULL 590 unset KV_FULL
539 get_version 591 get_version
540 return $? 592 return $?
541 elif [[ -f ${ROOT}/lib/modules/${KV_FULL}/build/Makefile ]]; then 593 elif [[ -f ${ROOT}/lib/modules/${KV_FULL}/build/Makefile ]]; then
552 && KV_EXTRA="-${KV_FULL#*-}" 604 && KV_EXTRA="-${KV_FULL#*-}"
553 fi 605 fi
554 return 0 606 return 0
555} 607}
556 608
609# This next function is named with the eclass prefix to avoid conflicts with
610# some old versionator-like eclass functions.
611
612# @FUNCTION: linux-info_get_any_version
613# @DESCRIPTION:
614# This attempts to find the version of the sources, and otherwise falls back to
615# the version of the running kernel.
616linux-info_get_any_version() {
617 get_version
618 if [[ $? -ne 0 ]]; then
619 ewarn "Unable to calculate Linux Kernel version for build, attempting to use running version"
620 get_running_version
621 fi
622}
623
557 624
558# ebuild check functions 625# ebuild check functions
559# --------------------------------------- 626# ---------------------------------------
560 627
561# @FUNCTION: check_kernel_built 628# @FUNCTION: check_kernel_built
603# It checks the kernel config options specified by CONFIG_CHECK. It dies only when a required config option (i.e. 670# It checks the kernel config options specified by CONFIG_CHECK. It dies only when a required config option (i.e.
604# the prefix ~ is not used) doesn't satisfy the directive. 671# the prefix ~ is not used) doesn't satisfy the directive.
605check_extra_config() { 672check_extra_config() {
606 local config negate die error reworkmodulenames 673 local config negate die error reworkmodulenames
607 local soft_errors_count=0 hard_errors_count=0 config_required=0 674 local soft_errors_count=0 hard_errors_count=0 config_required=0
675 # store the value of the QA check, because otherwise we won't catch usages
676 # after if check_extra_config is called AND other direct calls are done
677 # later.
678 local old_LINUX_CONFIG_EXISTS_DONE="${_LINUX_CONFIG_EXISTS_DONE}"
608 679
609 # if we haven't determined the version yet, we need to 680 # if we haven't determined the version yet, we need to
610 get_version 681 linux-info_get_any_version
611 682
612 # Determine if we really need a .config. The only time when we don't need 683 # Determine if we really need a .config. The only time when we don't need
613 # one is when all of the CONFIG_CHECK options are prefixed with "~". 684 # one is when all of the CONFIG_CHECK options are prefixed with "~".
614 for config in ${CONFIG_CHECK} 685 for config in ${CONFIG_CHECK}
615 do 686 do
623 # In the case where we don't require a .config, we can now bail out 694 # In the case where we don't require a .config, we can now bail out
624 # if the user has no .config as there is nothing to do. Otherwise 695 # if the user has no .config as there is nothing to do. Otherwise
625 # code later will cause a failure due to missing .config. 696 # code later will cause a failure due to missing .config.
626 if ! linux_config_exists; then 697 if ! linux_config_exists; then
627 ewarn "Unable to check for the following kernel config options due" 698 ewarn "Unable to check for the following kernel config options due"
628 ewarn "to absence of any configured kernel sources:" 699 ewarn "to absence of any configured kernel sources or compiled"
700 ewarn "config:"
629 for config in ${CONFIG_CHECK}; do 701 for config in ${CONFIG_CHECK}; do
702 local_error="ERROR_${config#\~}"
703 msg="${!local_error}"
704 if [[ "x${msg}" == "x" ]]; then
705 local_error="WARNING_${config#\~}"
706 msg="${!local_error}"
707 fi
630 ewarn " - ${config#\~}" 708 ewarn " - ${config#\~}${msg:+ - }${msg}"
631 done 709 done
632 ewarn "You're on your own to make sure they are set if needed." 710 ewarn "You're on your own to make sure they are set if needed."
711 export LINUX_CONFIG_EXISTS_DONE="${old_LINUX_CONFIG_EXISTS_DONE}"
633 return 0 712 return 0
634 fi 713 fi
635 else 714 else
636 require_configured_kernel 715 require_configured_kernel
637 fi 716 fi
714 if [[ ${hard_errors_count} > 0 ]]; then 793 if [[ ${hard_errors_count} > 0 ]]; then
715 eerror "Please check to make sure these options are set correctly." 794 eerror "Please check to make sure these options are set correctly."
716 eerror "Failure to do so may cause unexpected problems." 795 eerror "Failure to do so may cause unexpected problems."
717 eerror "Once you have satisfied these options, please try merging" 796 eerror "Once you have satisfied these options, please try merging"
718 eerror "this package again." 797 eerror "this package again."
798 export LINUX_CONFIG_EXISTS_DONE="${old_LINUX_CONFIG_EXISTS_DONE}"
719 die "Incorrect kernel configuration options" 799 die "Incorrect kernel configuration options"
720 elif [[ ${soft_errors_count} > 0 ]]; then 800 elif [[ ${soft_errors_count} > 0 ]]; then
721 ewarn "Please check to make sure these options are set correctly." 801 ewarn "Please check to make sure these options are set correctly."
722 ewarn "Failure to do so may cause unexpected problems." 802 ewarn "Failure to do so may cause unexpected problems."
723 else 803 else
724 eend 0 804 eend 0
725 fi 805 fi
806 export LINUX_CONFIG_EXISTS_DONE="${old_LINUX_CONFIG_EXISTS_DONE}"
726} 807}
727 808
728check_zlibinflate() { 809check_zlibinflate() {
729 # if we haven't determined the version yet, we need to 810 # if we haven't determined the version yet, we need to
730 require_configured_kernel 811 require_configured_kernel
801# @FUNCTION: linux-info_pkg_setup 882# @FUNCTION: linux-info_pkg_setup
802# @DESCRIPTION: 883# @DESCRIPTION:
803# Force a get_version() call when inherited from linux-mod.eclass and then check if the kernel is configured 884# Force a get_version() call when inherited from linux-mod.eclass and then check if the kernel is configured
804# to support the options specified in CONFIG_CHECK (if not null) 885# to support the options specified in CONFIG_CHECK (if not null)
805linux-info_pkg_setup() { 886linux-info_pkg_setup() {
806 get_version 887 linux-info_get_any_version
807 if [[ $rc -ne 0 ]]; then
808 ewarn "Unable to calculate Linux Kernel version for build, attempting to use running version"
809 get_running_version
810 fi
811 888
812 if kernel_is 2 4; then 889 if kernel_is 2 4; then
813 if [ "$( gcc-major-version )" -eq "4" ] ; then 890 if [ "$( gcc-major-version )" -eq "4" ] ; then
814 echo 891 echo
815 ewarn "Be warned !! >=sys-devel/gcc-4.0.0 isn't supported with" 892 ewarn "Be warned !! >=sys-devel/gcc-4.0.0 isn't supported with"

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