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Revision 1.75 Revision 1.91
1# Copyright 1999-2006 Gentoo Foundation 1# Copyright 1999-2011 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 1.75 2009/12/11 20:54:06 robbat2 Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/linux-info.eclass,v 1.91 2011/12/12 22:01:37 vapier Exp $
4#
5# Original author: John Mylchreest <johnm@gentoo.org>
6# Maintainer: kernel-misc@gentoo.org
7#
8# Please direct your bugs to the current eclass maintainer :)
9 4
10# @ECLASS: linux-info.eclass 5# @ECLASS: linux-info.eclass
11# @MAINTAINER: 6# @MAINTAINER:
12# kernel-misc@gentoo.org 7# kernel-misc@gentoo.org
8# @AUTHOR:
9# Original author: John Mylchreest <johnm@gentoo.org>
13# @BLURB: eclass used for accessing kernel related information 10# @BLURB: eclass used for accessing kernel related information
14# @DESCRIPTION: 11# @DESCRIPTION:
15# This eclass is used as a central eclass for accessing kernel 12# This eclass is used as a central eclass for accessing kernel
16# related information for source or binary already installed. 13# related information for source or binary already installed.
17# It is vital for linux-mod.eclass to function correctly, and is split 14# It is vital for linux-mod.eclass to function correctly, and is split
… …
40# You can also check that an option doesn't exist by 37# You can also check that an option doesn't exist by
41# prepending it with an exclamation mark (!). 38# prepending it with an exclamation mark (!).
42# 39#
43# e.g.: CONFIG_CHECK="!MTRR" 40# e.g.: CONFIG_CHECK="!MTRR"
44# 41#
45# To simply warn about a missing option, prepend a '~'. 42# To simply warn about a missing option, prepend a '~'.
46# It may be combined with '!'. 43# It may be combined with '!'.
47# 44#
48# In general, most checks should be non-fatal. The only time fatal checks should 45# 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 46# be used is for building kernel modules or cases that a compile will fail
50# without the option. 47# without the option.
… …
99# @ECLASS-VARIABLE: KV_OUT_DIR 96# @ECLASS-VARIABLE: KV_OUT_DIR
100# @DESCRIPTION: 97# @DESCRIPTION:
101# A read-only variable. It's a string containing the kernel object directory, will be KV_DIR unless 98# 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. 99# KBUILD_OUTPUT is used. This should be used for referencing .config.
103 100
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 101# And to ensure all the weirdness with crosscompile
109inherit toolchain-funcs versionator 102inherit toolchain-funcs versionator
110 103
111EXPORT_FUNCTIONS pkg_setup 104EXPORT_FUNCTIONS pkg_setup
112 105
113DEPEND="" 106DEPEND=""
114RDEPEND="" 107RDEPEND=""
115
116[ -z "${I_KNOW_WHAT_I_AM_DOING}" ] && \
117DEPEND="kernel_linux? ( virtual/linux-sources )"
118 108
119# Overwritable environment Var's 109# Overwritable environment Var's
120# --------------------------------------- 110# ---------------------------------------
121KERNEL_DIR="${KERNEL_DIR:-${ROOT}usr/src/linux}" 111KERNEL_DIR="${KERNEL_DIR:-${ROOT}usr/src/linux}"
122 112
… …
153 esac 143 esac
154 [ -n "${outputmsg}" ] && ${type} "${outputmsg}" 144 [ -n "${outputmsg}" ] && ${type} "${outputmsg}"
155} 145}
156 146
157qeinfo() { qout einfo "${@}" ; } 147qeinfo() { qout einfo "${@}" ; }
148qewarn() { qout ewarn "${@}" ; }
158qeerror() { qout eerror "${@}" ; } 149qeerror() { qout eerror "${@}" ; }
159 150
160# File Functions 151# File Functions
161# --------------------------------------- 152# ---------------------------------------
162 153
… …
213 eerror "getfilevar_noexec requires 2 variables, with the second a valid file." 204 eerror "getfilevar_noexec requires 2 variables, with the second a valid file."
214 eerror " getfilevar_noexec <VARIABLE> <CONFIGFILE>" 205 eerror " getfilevar_noexec <VARIABLE> <CONFIGFILE>"
215 else 206 else
216 ${mycat} "${2}" | \ 207 ${mycat} "${2}" | \
217 sed -n \ 208 sed -n \
218 -e "/^[[:space:]]*${1}[[:space:]]*=[[:space:]]*\(.*\)\$/{ 209 -e "/^[[:space:]]*${1}[[:space:]]*:\\?=[[:space:]]*\(.*\)\$/{
219 s,^[^=]*[[:space:]]*=[[:space:]]*,,g ; 210 s,^[^=]*[[:space:]]*=[[:space:]]*,,g ;
220 s,[[:space:]]*\$,,g ; 211 s,[[:space:]]*\$,,g ;
221 p 212 p
222 }" 213 }"
223 fi 214 fi
224} 215}
225 216
226# @PRIVATE-VARIABLE: _LINUX_CONFIG_EXISTS_DONE 217# @ECLASS-VARIABLE: _LINUX_CONFIG_EXISTS_DONE
218# @INTERNAL
227# @DESCRIPTION: 219# @DESCRIPTION:
228# This is only set if one of the linux_config_*exists functions has been called. 220# This is only set if one of the linux_config_*exists functions has been called.
229# We use it for a QA warning that the check for a config has not been performed, 221# We use it for a QA warning that the check for a config has not been performed,
230# as linux_chkconfig* in non-legacy mode WILL return an undefined value if no 222# as linux_chkconfig* in non-legacy mode WILL return an undefined value if no
231# config is available at all. 223# config is available at all.
232_LINUX_CONFIG_EXISTS_DONE= 224_LINUX_CONFIG_EXISTS_DONE=
233 225
234linux_config_qa_check() { 226linux_config_qa_check() {
235 local funcname="$1" 227 local f="$1"
236 if [ -z "${_LINUX_CONFIG_EXISTS_DONE}" ]; then 228 if [ -z "${_LINUX_CONFIG_EXISTS_DONE}" ]; then
237 ewarn "QA: You called $1 before any linux_config_exists!" 229 ewarn "QA: You called $f before any linux_config_exists!"
238 ewarn "QA: The return value of $1 will NOT gaurenteed later!" 230 ewarn "QA: The return value of $f will NOT guaranteed later!"
239 fi 231 fi
240} 232}
241 233
242# @FUNCTION: linux_config_src_exists 234# @FUNCTION: linux_config_src_exists
243# @RETURN: true or false 235# @RETURN: true or false
… …
252# @RETURN: true or false 244# @RETURN: true or false
253# @DESCRIPTION: 245# @DESCRIPTION:
254# It returns true if .config exists in /proc, otherwise false 246# It returns true if .config exists in /proc, otherwise false
255linux_config_bin_exists() { 247linux_config_bin_exists() {
256 export _LINUX_CONFIG_EXISTS_DONE=1 248 export _LINUX_CONFIG_EXISTS_DONE=1
257 [ -n "${I_KNOW_WHAT_I_AM_DOING}" -a -s "/proc/config.gz" ] 249 [ -s "/proc/config.gz" ]
258} 250}
259 251
260# @FUNCTION: linux_config_exists 252# @FUNCTION: linux_config_exists
261# @RETURN: true or false 253# @RETURN: true or false
262# @DESCRIPTION: 254# @DESCRIPTION:
… …
288# @DESCRIPTION: 280# @DESCRIPTION:
289# It checks that CONFIG_<option>=y or CONFIG_<option>=m is present in the current kernel .config 281# It checks that CONFIG_<option>=y or CONFIG_<option>=m is present in the current kernel .config
290# If linux_config_exists returns false, the results of this are UNDEFINED. You 282# If linux_config_exists returns false, the results of this are UNDEFINED. You
291# MUST call linux_config_exists first. 283# MUST call linux_config_exists first.
292linux_chkconfig_present() { 284linux_chkconfig_present() {
293 linux_config_qa_check 285 linux_config_qa_check linux_chkconfig_present
294 local RESULT 286 local RESULT
295 [ -z "${I_KNOW_WHAT_I_AM_DOING}" ] && require_configured_kernel
296 local config 287 local config
297 config="${KV_OUT_DIR}/.config" 288 config="${KV_OUT_DIR}/.config"
298 [ ! -f "${config}" ] && config="/proc/config.gz" 289 [ ! -f "${config}" ] && config="/proc/config.gz"
299 RESULT="$(getfilevar_noexec CONFIG_${1} "${config}")" 290 RESULT="$(getfilevar_noexec CONFIG_${1} "${config}")"
300 [ "${RESULT}" = "m" -o "${RESULT}" = "y" ] && return 0 || return 1 291 [ "${RESULT}" = "m" -o "${RESULT}" = "y" ] && return 0 || return 1
… …
306# @DESCRIPTION: 297# @DESCRIPTION:
307# It checks that CONFIG_<option>=m is present in the current kernel .config 298# It checks that CONFIG_<option>=m is present in the current kernel .config
308# If linux_config_exists returns false, the results of this are UNDEFINED. You 299# If linux_config_exists returns false, the results of this are UNDEFINED. You
309# MUST call linux_config_exists first. 300# MUST call linux_config_exists first.
310linux_chkconfig_module() { 301linux_chkconfig_module() {
311 linux_config_qa_check 302 linux_config_qa_check linux_chkconfig_module
312 local RESULT 303 local RESULT
313 [ -z "${I_KNOW_WHAT_I_AM_DOING}" ] && require_configured_kernel
314 local config 304 local config
315 config="${KV_OUT_DIR}/.config" 305 config="${KV_OUT_DIR}/.config"
316 [ ! -f "${config}" ] && config="/proc/config.gz" 306 [ ! -f "${config}" ] && config="/proc/config.gz"
317 RESULT="$(getfilevar_noexec CONFIG_${1} "${config}")" 307 RESULT="$(getfilevar_noexec CONFIG_${1} "${config}")"
318 [ "${RESULT}" = "m" ] && return 0 || return 1 308 [ "${RESULT}" = "m" ] && return 0 || return 1
… …
324# @DESCRIPTION: 314# @DESCRIPTION:
325# It checks that CONFIG_<option>=y is present in the current kernel .config 315# It checks that CONFIG_<option>=y is present in the current kernel .config
326# If linux_config_exists returns false, the results of this are UNDEFINED. You 316# If linux_config_exists returns false, the results of this are UNDEFINED. You
327# MUST call linux_config_exists first. 317# MUST call linux_config_exists first.
328linux_chkconfig_builtin() { 318linux_chkconfig_builtin() {
329 linux_config_qa_check 319 linux_config_qa_check linux_chkconfig_builtin
330 local RESULT 320 local RESULT
331 [ -z "${I_KNOW_WHAT_I_AM_DOING}" ] && require_configured_kernel
332 local config 321 local config
333 config="${KV_OUT_DIR}/.config" 322 config="${KV_OUT_DIR}/.config"
334 [ ! -f "${config}" ] && config="/proc/config.gz" 323 [ ! -f "${config}" ] && config="/proc/config.gz"
335 RESULT="$(getfilevar_noexec CONFIG_${1} "${config}")" 324 RESULT="$(getfilevar_noexec CONFIG_${1} "${config}")"
336 [ "${RESULT}" = "y" ] && return 0 || return 1 325 [ "${RESULT}" = "y" ] && return 0 || return 1
… …
342# @DESCRIPTION: 331# @DESCRIPTION:
343# It prints the CONFIG_<option> value of the current kernel .config (it requires a configured kernel). 332# It prints the CONFIG_<option> value of the current kernel .config (it requires a configured kernel).
344# If linux_config_exists returns false, the results of this are UNDEFINED. You 333# If linux_config_exists returns false, the results of this are UNDEFINED. You
345# MUST call linux_config_exists first. 334# MUST call linux_config_exists first.
346linux_chkconfig_string() { 335linux_chkconfig_string() {
347 linux_config_qa_check 336 linux_config_qa_check linux_chkconfig_string
348 [ -z "${I_KNOW_WHAT_I_AM_DOING}" ] && require_configured_kernel
349 local config 337 local config
350 config="${KV_OUT_DIR}/.config" 338 config="${KV_OUT_DIR}/.config"
351 [ ! -f "${config}" ] && config="/proc/config.gz" 339 [ ! -f "${config}" ] && config="/proc/config.gz"
352 getfilevar_noexec "CONFIG_${1}" "${config}" 340 getfilevar_noexec "CONFIG_${1}" "${config}"
353} 341}
… …
369# kernel_is 2 6 returns true 357# kernel_is 2 6 returns true
370# kernel_is 2 6 8 returns false 358# kernel_is 2 6 8 returns false
371# kernel_is 2 6 9 returns true 359# kernel_is 2 6 9 returns true
372# @CODE 360# @CODE
373 361
374# got the jist yet? 362# Note: duplicated in kernel-2.eclass
375
376kernel_is() { 363kernel_is() {
377 # if we haven't determined the version yet, we need to. 364 # if we haven't determined the version yet, we need to.
378 linux-info_get_any_version 365 linux-info_get_any_version
379 366
367 # Now we can continue
380 local operator test value x=0 y=0 z=0 368 local operator test value
381 369
382 case ${1} in 370 case ${1#-} in
383 -lt|lt) operator="-lt"; shift;; 371 lt) operator="-lt"; shift;;
384 -gt|gt) operator="-gt"; shift;; 372 gt) operator="-gt"; shift;;
385 -le|le) operator="-le"; shift;; 373 le) operator="-le"; shift;;
386 -ge|ge) operator="-ge"; shift;; 374 ge) operator="-ge"; shift;;
387 -eq|eq) operator="-eq"; shift;; 375 eq) operator="-eq"; shift;;
388 *) operator="-eq";; 376 *) operator="-eq";;
389 esac 377 esac
390
391 for x in ${@}; do
392 for((y=0; y<$((3 - ${#x})); y++)); do value="${value}0"; done
393 value="${value}${x}"
394 z=$((${z} + 1))
395
396 case ${z} in
397 1) for((y=0; y<$((3 - ${#KV_MAJOR})); y++)); do test="${test}0"; done;
398 test="${test}${KV_MAJOR}";;
399 2) for((y=0; y<$((3 - ${#KV_MINOR})); y++)); do test="${test}0"; done;
400 test="${test}${KV_MINOR}";;
401 3) for((y=0; y<$((3 - ${#KV_PATCH})); y++)); do test="${test}0"; done;
402 test="${test}${KV_PATCH}";;
403 *) die "Error in kernel-2_kernel_is(): Too many parameters.";; 378 [[ $# -gt 3 ]] && die "Error in kernel-2_kernel_is(): too many parameters"
404 esac
405 done
406 379
407 [ ${test} ${operator} ${value} ] && return 0 || return 1 380 : $(( test = (KV_MAJOR << 16) + (KV_MINOR << 8) + KV_PATCH ))
381 : $(( value = (${1:-${KV_MAJOR}} << 16) + (${2:-${KV_MINOR}} << 8) + ${3:-${KV_PATCH}} ))
382 [ ${test} ${operator} ${value} ]
408} 383}
409 384
410get_localversion() { 385get_localversion() {
411 local lv_list i x 386 local lv_list i x
412 387
… …
420 done 395 done
421 x=${x/ /} 396 x=${x/ /}
422 echo ${x} 397 echo ${x}
423} 398}
424 399
400# Check if the Makefile is valid for direct parsing.
401# Check status results:
402# - PASS, use 'getfilevar' to extract values
403# - FAIL, use 'getfilevar_noexec' to extract values
404# The check may fail if:
405# - make is not present
406# - corruption exists in the kernel makefile
407get_makefile_extract_function() {
408 local a='' b='' mkfunc='getfilevar'
409 a="$(getfilevar VERSION ${KERNEL_MAKEFILE})"
410 b="$(getfilevar_noexec VERSION ${KERNEL_MAKEFILE})"
411 [[ "${a}" != "${b}" ]] && mkfunc='getfilevar_noexec'
412 echo "${mkfunc}"
413}
414
425# internal variable, so we know to only print the warning once 415# internal variable, so we know to only print the warning once
426get_version_warning_done= 416get_version_warning_done=
427 417
428# @FUNCTION: get_version 418# @FUNCTION: get_version
429# @DESCRIPTION: 419# @DESCRIPTION:
… …
434# 424#
435# The KV_DIR is set using the KERNEL_DIR env var, the KV_DIR_OUT is set using a valid 425# The KV_DIR is set using the KERNEL_DIR env var, the KV_DIR_OUT is set using a valid
436# KBUILD_OUTPUT (in a decreasing priority list, we look for the env var, makefile var or the 426# KBUILD_OUTPUT (in a decreasing priority list, we look for the env var, makefile var or the
437# symlink /lib/modules/${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}${KV_EXTRA}/build). 427# symlink /lib/modules/${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}${KV_EXTRA}/build).
438get_version() { 428get_version() {
439 local kbuild_output 429 local kbuild_output mkfunc tmplocal
440 430
441 # no need to execute this twice assuming KV_FULL is populated. 431 # no need to execute this twice assuming KV_FULL is populated.
442 # we can force by unsetting KV_FULL 432 # we can force by unsetting KV_FULL
443 [ -n "${KV_FULL}" ] && return 0 433 [ -n "${KV_FULL}" ] && return 0
444 434
… …
488 # KBUILD_OUTPUT, and we need this for .config and localversions-* 478 # KBUILD_OUTPUT, and we need this for .config and localversions-*
489 # so we better find it eh? 479 # so we better find it eh?
490 # do we pass KBUILD_OUTPUT on the CLI? 480 # do we pass KBUILD_OUTPUT on the CLI?
491 OUTPUT_DIR="${OUTPUT_DIR:-${KBUILD_OUTPUT}}" 481 OUTPUT_DIR="${OUTPUT_DIR:-${KBUILD_OUTPUT}}"
492 482
483 # keep track of it
484 KERNEL_MAKEFILE="${KV_DIR}/Makefile"
485
486 # Decide the function used to extract makefile variables.
487 mkfunc="$(get_makefile_extract_function "${KERNEL_MAKEFILE}")"
488
493 # And if we didn't pass it, we can take a nosey in the Makefile 489 # And if we didn't pass it, we can take a nosey in the Makefile
494 kbuild_output="$(getfilevar_noexec KBUILD_OUTPUT ${KV_DIR}/Makefile)" 490 kbuild_output="$(${mkfunc} KBUILD_OUTPUT ${KERNEL_MAKEFILE})"
495 OUTPUT_DIR="${OUTPUT_DIR:-${kbuild_output}}" 491 OUTPUT_DIR="${OUTPUT_DIR:-${kbuild_output}}"
496 492
497 # And contrary to existing functions I feel we shouldn't trust the 493 # And contrary to existing functions I feel we shouldn't trust the
498 # directory name to find version information as this seems insane. 494 # directory name to find version information as this seems insane.
499 # so we parse ${KV_DIR}/Makefile 495 # so we parse ${KERNEL_MAKEFILE}
500 KV_MAJOR="$(getfilevar_noexec VERSION ${KV_DIR}/Makefile)" 496 KV_MAJOR="$(${mkfunc} VERSION ${KERNEL_MAKEFILE})"
501 KV_MINOR="$(getfilevar_noexec PATCHLEVEL ${KV_DIR}/Makefile)" 497 KV_MINOR="$(${mkfunc} PATCHLEVEL ${KERNEL_MAKEFILE})"
502 KV_PATCH="$(getfilevar_noexec SUBLEVEL ${KV_DIR}/Makefile)" 498 KV_PATCH="$(${mkfunc} SUBLEVEL ${KERNEL_MAKEFILE})"
503 KV_EXTRA="$(getfilevar_noexec EXTRAVERSION ${KV_DIR}/Makefile)" 499 KV_EXTRA="$(${mkfunc} EXTRAVERSION ${KERNEL_MAKEFILE})"
504 500
505 if [ -z "${KV_MAJOR}" -o -z "${KV_MINOR}" -o -z "${KV_PATCH}" ] 501 if [ -z "${KV_MAJOR}" -o -z "${KV_MINOR}" -o -z "${KV_PATCH}" ]
506 then 502 then
507 if [ -z "${get_version_warning_done}" ]; then 503 if [ -z "${get_version_warning_done}" ]; then
508 get_version_warning_done=1 504 get_version_warning_done=1
… …
514 510
515 # and in newer versions we can also pull LOCALVERSION if it is set. 511 # and in newer versions we can also pull LOCALVERSION if it is set.
516 # but before we do this, we need to find if we use a different object directory. 512 # but before we do this, we need to find if we use a different object directory.
517 # This *WILL* break if the user is using localversions, but we assume it was 513 # This *WILL* break if the user is using localversions, but we assume it was
518 # caught before this if they are. 514 # caught before this if they are.
519 [ "${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}${KV_EXTRA}" == "$(uname -r)" ] && \
520 OUTPUT_DIR="${OUTPUT_DIR:-/lib/modules/${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}${KV_EXTRA}/build}" 515 OUTPUT_DIR="${OUTPUT_DIR:-/lib/modules/${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}${KV_EXTRA}/build}"
521 516
522 [ -h "${OUTPUT_DIR}" ] && KV_OUT_DIR="$(readlink -f ${OUTPUT_DIR})" 517 [ -h "${OUTPUT_DIR}" ] && KV_OUT_DIR="$(readlink -f ${OUTPUT_DIR})"
523 [ -d "${OUTPUT_DIR}" ] && KV_OUT_DIR="${OUTPUT_DIR}" 518 [ -d "${OUTPUT_DIR}" ] && KV_OUT_DIR="${OUTPUT_DIR}"
524 if [ -n "${KV_OUT_DIR}" ]; 519 if [ -n "${KV_OUT_DIR}" ];
525 then 520 then
526 qeinfo "Found kernel object directory:" 521 qeinfo "Found kernel object directory:"
527 qeinfo " ${KV_OUT_DIR}" 522 qeinfo " ${KV_OUT_DIR}"
528
529 KV_LOCAL="$(get_localversion ${KV_OUT_DIR})"
530 fi 523 fi
531 # and if we STILL have not got it, then we better just set it to KV_DIR 524 # and if we STILL have not got it, then we better just set it to KV_DIR
532 KV_OUT_DIR="${KV_OUT_DIR:-${KV_DIR}}" 525 KV_OUT_DIR="${KV_OUT_DIR:-${KV_DIR}}"
533 526
534 KV_LOCAL="${KV_LOCAL}$(get_localversion ${KV_DIR})" 527 # Grab the kernel release from the output directory.
535 if linux_config_src_exists; then 528 # TODO: we MUST detect kernel.release being out of date, and 'return 1' from
536 KV_LOCAL="${KV_LOCAL}$(linux_chkconfig_string LOCALVERSION)" 529 # this function.
537 KV_LOCAL="${KV_LOCAL//\"/}" 530 if [ -s "${KV_OUT_DIR}"/include/config/kernel.release ]; then
531 KV_LOCAL=$(<"${KV_OUT_DIR}"/include/config/kernel.release)
532 elif [ -s "${KV_OUT_DIR}"/.kernelrelease ]; then
533 KV_LOCAL=$(<"${KV_OUT_DIR}"/.kernelrelease)
534 else
535 KV_LOCAL=
536 fi
538 537
539 # For things like git that can append extra stuff: 538 # KV_LOCAL currently contains the full release; discard the first bits.
540 [ -e ${KV_DIR}/scripts/setlocalversion ] && 539 tmplocal=${KV_LOCAL#${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}${KV_EXTRA}}
541 linux_chkconfig_builtin LOCALVERSION_AUTO && 540
542 KV_LOCAL="${KV_LOCAL}$(sh ${KV_DIR}/scripts/setlocalversion ${KV_DIR})" 541 # If the updated local version was not changed, the tree is not prepared.
542 # Clear out KV_LOCAL in that case.
543 # TODO: this does not detect a change in the localversion part between
544 # kernel.release and the value that would be generated.
545 if [ "$KV_LOCAL" = "$tmplocal" ]; then
546 KV_LOCAL=
547 else
548 KV_LOCAL=$tmplocal
543 fi 549 fi
544 550
545 # And we should set KV_FULL to the full expanded version 551 # And we should set KV_FULL to the full expanded version
546 KV_FULL="${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}${KV_EXTRA}${KV_LOCAL}" 552 KV_FULL="${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}${KV_EXTRA}${KV_LOCAL}"
547 553
… …
556# It gets the version of the current running kernel and the result is the same as get_version() if the 562# It gets the version of the current running kernel and the result is the same as get_version() if the
557# function can find the sources. 563# function can find the sources.
558get_running_version() { 564get_running_version() {
559 KV_FULL=$(uname -r) 565 KV_FULL=$(uname -r)
560 566
567 if [[ -f ${ROOT}/lib/modules/${KV_FULL}/source/Makefile && -f ${ROOT}/lib/modules/${KV_FULL}/build/Makefile ]]; then
568 KERNEL_DIR=$(readlink -f ${ROOT}/lib/modules/${KV_FULL}/source)
569 KBUILD_OUTPUT=$(readlink -f ${ROOT}/lib/modules/${KV_FULL}/build)
570 unset KV_FULL
571 get_version
572 return $?
561 if [[ -f ${ROOT}/lib/modules/${KV_FULL}/source/Makefile ]]; then 573 elif [[ -f ${ROOT}/lib/modules/${KV_FULL}/source/Makefile ]]; then
562 KERNEL_DIR=$(readlink -f ${ROOT}/lib/modules/${KV_FULL}/source) 574 KERNEL_DIR=$(readlink -f ${ROOT}/lib/modules/${KV_FULL}/source)
563 unset KV_FULL 575 unset KV_FULL
564 get_version 576 get_version
565 return $? 577 return $?
566 elif [[ -f ${ROOT}/lib/modules/${KV_FULL}/build/Makefile ]]; then 578 elif [[ -f ${ROOT}/lib/modules/${KV_FULL}/build/Makefile ]]; then
… …
569 get_version 581 get_version
570 return $? 582 return $?
571 else 583 else
572 KV_MAJOR=$(get_version_component_range 1 ${KV_FULL}) 584 KV_MAJOR=$(get_version_component_range 1 ${KV_FULL})
573 KV_MINOR=$(get_version_component_range 2 ${KV_FULL}) 585 KV_MINOR=$(get_version_component_range 2 ${KV_FULL})
574 KV_PATCH=$(get_version_component_range 3- ${KV_FULL}) 586 KV_PATCH=$(get_version_component_range 3 ${KV_FULL})
575 KV_PATCH=${KV_PATCH//-*} 587 KV_PATCH=${KV_PATCH//-*}
576 [[ -n ${KV_FULL#*-} ]] && [[ -n ${KV_FULL//${KV_FULL#*-}} ]] \ 588 KV_EXTRA="${KV_FULL#${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}}"
577 && KV_EXTRA="-${KV_FULL#*-}"
578 fi 589 fi
579 return 0 590 return 0
580} 591}
581 592
582# This next function is named with the eclass prefix to avoid conflicts with 593# This next function is named with the eclass prefix to avoid conflicts with
… …
661 config_required=1 672 config_required=1
662 break 673 break
663 fi 674 fi
664 done 675 done
665 676
666 # TODO: After we enable the new code for /proc/config.gz, we need to
667 # change this back to linux_config_exists.
668 if [[ ${config_required} == 0 ]]; then 677 if [[ ${config_required} == 0 ]]; then
669 # In the case where we don't require a .config, we can now bail out 678 # In the case where we don't require a .config, we can now bail out
670 # if the user has no .config as there is nothing to do. Otherwise 679 # if the user has no .config as there is nothing to do. Otherwise
671 # code later will cause a failure due to missing .config. 680 # code later will cause a failure due to missing .config.
672 if ! linux_config_src_exists; then 681 if ! linux_config_exists; then
673 ewarn "Unable to check for the following kernel config options due" 682 ewarn "Unable to check for the following kernel config options due"
674 ewarn "to absence of any configured kernel sources or compiled" 683 ewarn "to absence of any configured kernel sources or compiled"
675 ewarn "config:" 684 ewarn "config:"
676 for config in ${CONFIG_CHECK}; do 685 for config in ${CONFIG_CHECK}; do
686 local_error="ERROR_${config#\~}"
687 msg="${!local_error}"
688 if [[ "x${msg}" == "x" ]]; then
689 local_error="WARNING_${config#\~}"
690 msg="${!local_error}"
691 fi
677 ewarn " - ${config#\~}" 692 ewarn " - ${config#\~}${msg:+ - }${msg}"
678 done 693 done
679 ewarn "You're on your own to make sure they are set if needed." 694 ewarn "You're on your own to make sure they are set if needed."
680 export LINUX_CONFIG_EXISTS_DONE="${old_LINUX_CONFIG_EXISTS_DONE}" 695 export LINUX_CONFIG_EXISTS_DONE="${old_LINUX_CONFIG_EXISTS_DONE}"
681 return 0 696 return 0
682 fi 697 fi
683 else 698 else
684 [ -n "${I_KNOW_WHAT_I_AM_DOING}" ] && require_configured_kernel 699 require_configured_kernel
685 fi 700 fi
686 701
687 einfo "Checking for suitable kernel configuration options..." 702 einfo "Checking for suitable kernel configuration options..."
688 703
689 for config in ${CONFIG_CHECK} 704 for config in ${CONFIG_CHECK}
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