/[gentoo-x86]/eclass/linux-info.eclass
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Revision 1.1 Revision 1.54
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 1.1 2004/11/24 16:36:38 johnm Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/linux-info.eclass,v 1.54 2008/01/23 20:58:08 dsd Exp $
4# 4#
5# This eclass provides functions for querying the installed kernel 5# Description: This eclass is used as a central eclass for accessing kernel
6# source version, selected kernel options etc. 6# related information for sources already installed.
7# It is vital for linux-mod to function correctly, and is split
8# out so that any ebuild behaviour "templates" are abstracted out
9# using additional eclasses.
7# 10#
11# Original author: John Mylchreest <johnm@gentoo.org>
12# Maintainer: kernel-misc@gentoo.org
13#
14# Please direct your bugs to the current eclass maintainer :)
8 15
9ECLASS=linux-info 16# A Couple of env vars are available to effect usage of this eclass
10INHERITED="$INHERITED $ECLASS" 17# These are as follows:
18#
19# Env Var Option Description
20# KERNEL_DIR <string> The directory containing kernel the target kernel
21# sources.
22# CONFIG_CHECK <string> a list of .config options to check for before
23# proceeding with the install. ie: CONFIG_CHECK="MTRR"
24# You can also check that an option doesn't exist by
25# prepending it with an exclamation mark (!).
26# ie: CONFIG_CHECK="!MTRR"
27# To simply warn about a missing option, prepend a '~'.
28# ERROR_CFG <string> The error message to display when the above check
29# fails. <CFG> should reference the appropriate option
30# as above. ie: ERROR_MTRR="MTRR exists in the .config
31# but shouldn't!!"
32# KBUILD_OUTPUT <string> This is passed on commandline, or can be set from
33# the kernel makefile. This contains the directory
34# which is to be used as the kernel object directory.
35
36# There are also a couple of variables which are set by this, and shouldn't be
37# set by hand. These are as follows:
38#
39# Env Var Option Description
40# KV_FULL <string> The full kernel version. ie: 2.6.9-gentoo-johnm-r1
41# KV_MAJOR <integer> The kernel major version. ie: 2
42# KV_MINOR <integer> The kernel minor version. ie: 6
43# KV_PATCH <integer> The kernel patch version. ie: 9
44# KV_EXTRA <string> The kernel EXTRAVERSION. ie: -gentoo
45# KV_LOCAL <string> The kernel LOCALVERSION concatenation. ie: -johnm
46# KV_DIR <string> The kernel source directory, will be null if
47# KERNEL_DIR is invalid.
48# KV_OUT_DIR <string> The kernel object directory. will be KV_DIR unless
49# koutput is used. This should be used for referencing
50# .config.
51
52# And to ensure all the weirdness with crosscompile
53inherit toolchain-funcs versionator
54
55EXPORT_FUNCTIONS pkg_setup
56
57DEPEND="kernel_linux? ( virtual/linux-sources )"
58RDEPEND=""
11 59
12# Overwritable environment Var's 60# Overwritable environment Var's
13# --------------------------------------- 61# ---------------------------------------
14KERNEL_DIR="${KERNEL_DIR:-/usr/src/linux}" 62KERNEL_DIR="${KERNEL_DIR:-${ROOT}usr/src/linux}"
15 63
16 64
65# Bug fixes
66# fix to bug #75034
67case ${ARCH} in
68 ppc) BUILD_FIXES="${BUILD_FIXES} TOUT=${T}/.tmp_gas_check";;
69 ppc64) BUILD_FIXES="${BUILD_FIXES} TOUT=${T}/.tmp_gas_check";;
70esac
71
72# @FUNCTION: set_arch_to_kernel
73# @DESCRIPTION:
74# Set the env ARCH to match what the kernel expects.
75set_arch_to_kernel() { export ARCH=$(tc-arch-kernel); }
76# @FUNCTION: set_arch_to_portage
77# @DESCRIPTION:
78# Set the env ARCH to match what portage expects.
79set_arch_to_portage() { export ARCH=$(tc-arch); }
80
81# qeinfo "Message"
82# -------------------
83# qeinfo is a quiet einfo call when EBUILD_PHASE
84# should not have visible output.
85qout() {
86 local outputmsg type
87 type=${1}
88 shift
89 outputmsg="${@}"
90 case "${EBUILD_PHASE}" in
91 depend) unset outputmsg;;
92 clean) unset outputmsg;;
93 preinst) unset outputmsg;;
94 esac
95 [ -n "${outputmsg}" ] && ${type} "${outputmsg}"
96}
97
98qeinfo() { qout einfo "${@}" ; }
99qeerror() { qout eerror "${@}" ; }
17 100
18# File Functions 101# File Functions
19# --------------------------------------- 102# ---------------------------------------
20 103
21# getfilevar accepts 2 vars as follows: 104# getfilevar accepts 2 vars as follows:
22# getfilevar <VARIABLE> <CONFIGFILE> 105# getfilevar <VARIABLE> <CONFIGFILE>
23 106
24getfilevar() { 107getfilevar() {
25local ERROR 108local ERROR workingdir basefname basedname myARCH="${ARCH}"
26 ERROR=0 109 ERROR=0
27 110
28 [ -z "${1}" ] && ERROR=1 111 [ -z "${1}" ] && ERROR=1
29 [ -z "${2}" ] && ERROR=1
30 [ ! -f "${2}" ] && ERROR=1 112 [ ! -f "${2}" ] && ERROR=1
31 113
32 if [ "${ERROR}" = 1 ] 114 if [ "${ERROR}" = 1 ]
33 then 115 then
116 echo -e "\n"
34 eerror "getfilevar requires 2 variables, with the second a valid file." 117 eerror "getfilevar requires 2 variables, with the second a valid file."
35 eerror " getfilevar <VARIABLE> <CONFIGFILE>" 118 eerror " getfilevar <VARIABLE> <CONFIGFILE>"
36 else 119 else
37 grep -e "^$1" $2 | sed 's: = :=:' | cut -d= -f2- 120 workingdir="${PWD}"
38 fi 121 basefname="$(basename ${2})"
39} 122 basedname="$(dirname ${2})"
123 unset ARCH
40 124
41getfilevar_isset() { 125 cd "${basedname}"
126 echo -e "e:\\n\\t@echo \$(${1})\\ninclude ${basefname}" | \
127 make M="${S}" ${BUILD_FIXES} -s -f - 2>/dev/null
128 cd "${workingdir}"
129
130 ARCH=${myARCH}
131 fi
132}
133
134
135linux_config_exists() {
136 [ -s "${KV_OUT_DIR}/.config" ]
137}
138
139require_configured_kernel() {
140 if ! linux_config_exists; then
141 qeerror "Could not find a usable .config in the kernel source directory."
142 qeerror "Please ensure that ${KERNEL_DIR} points to a configured set of Linux sources."
143 qeerror "If you are using KBUILD_OUTPUT, please set the environment var so that"
144 qeerror "it points to the necessary object directory so that it might find .config."
145 die "Kernel not configured; no .config found in ${KV_OUT_DIR}"
146 fi
147}
148
149linux_chkconfig_present() {
42local RESULT 150local RESULT
43 RESULT="$(getfilevar ${1} ${2})" 151 require_configured_kernel
152 RESULT="$(getfilevar CONFIG_${1} ${KV_OUT_DIR}/.config)"
44 [ "${RESULT}" = "m" -o "${RESULT}" = "y" ] && return 0 || return 1 153 [ "${RESULT}" = "m" -o "${RESULT}" = "y" ] && return 0 || return 1
45} 154}
46 155
47getfilevar_ismodule() { 156linux_chkconfig_module() {
48local RESULT 157local RESULT
49 RESULT="$(getfilevar ${1} ${2})" 158 require_configured_kernel
159 RESULT="$(getfilevar CONFIG_${1} ${KV_OUT_DIR}/.config)"
50 [ "${RESULT}" = "m" ] && return 0 || return 1 160 [ "${RESULT}" = "m" ] && return 0 || return 1
51} 161}
52 162
53getfilevar_isbuiltin() { 163linux_chkconfig_builtin() {
54local RESULT 164local RESULT
55 RESULT="$(getfilevar ${1} ${2})" 165 require_configured_kernel
166 RESULT="$(getfilevar CONFIG_${1} ${KV_OUT_DIR}/.config)"
56 [ "${RESULT}" = "y" ] && return 0 || return 1 167 [ "${RESULT}" = "y" ] && return 0 || return 1
168}
169
170linux_chkconfig_string() {
171 require_configured_kernel
172 getfilevar "CONFIG_${1}" "${KV_OUT_DIR}/.config"
57} 173}
58 174
59# Versioning Functions 175# Versioning Functions
60# --------------------------------------- 176# ---------------------------------------
61 177
69# kernel_is 2 6 9 returns true 185# kernel_is 2 6 9 returns true
70# 186#
71# got the jist yet? 187# got the jist yet?
72 188
73kernel_is() { 189kernel_is() {
74 # if we haven't determined the version yet, we need too. 190 # if we haven't determined the version yet, we need to.
75 get_version; 191 get_version
76 192 local operator test value x=0 y=0 z=0
77 local RESULT 193
78 RESULT=1 194 case ${1} in
79 195 lt) operator="-lt"; shift;;
80 if [ -n "${1}" ] 196 gt) operator="-gt"; shift;;
81 then 197 le) operator="-le"; shift;;
82 [ "${1}" = "${KV_MAJOR}" ] && RESULT=0 198 ge) operator="-ge"; shift;;
83 fi 199 eq) operator="-eq"; shift;;
84 200 *) operator="-eq";;
85 if [ -n "${2}" ] 201 esac
86 then 202
87 RESULT=1 203 for x in ${@}; do
88 [ "${2}" = "${KV_MINOR}" ] && RESULT=0 204 for((y=0; y<$((3 - ${#x})); y++)); do value="${value}0"; done
89 fi 205 value="${value}${x}"
90 206 z=$((${z} + 1))
91 if [ -n "${3}" ] 207
92 then 208 case ${z} in
93 RESULT=1 209 1) for((y=0; y<$((3 - ${#KV_MAJOR})); y++)); do test="${test}0"; done;
94 [ "${3}" = "${KV_PATCH}" ] && RESULT=0 210 test="${test}${KV_MAJOR}";;
95 fi 211 2) for((y=0; y<$((3 - ${#KV_MINOR})); y++)); do test="${test}0"; done;
96 return ${RESULT} 212 test="${test}${KV_MINOR}";;
213 3) for((y=0; y<$((3 - ${#KV_PATCH})); y++)); do test="${test}0"; done;
214 test="${test}${KV_PATCH}";;
215 *) die "Error in kernel-2_kernel_is(): Too many parameters.";;
216 esac
217 done
218
219 [ ${test} ${operator} ${value} ] && return 0 || return 1
220}
221
222get_localversion() {
223 local lv_list i x
224
225 # ignore files with ~ in it.
226 for i in $(ls ${1}/localversion* 2>/dev/null); do
227 [[ -n ${i//*~*} ]] && lv_list="${lv_list} ${i}"
228 done
229
230 for i in ${lv_list}; do
231 x="${x}$(<${i})"
232 done
233 x=${x/ /}
234 echo ${x}
97} 235}
98 236
99get_version() { 237get_version() {
238 local kbuild_output
239
100 # no need to execute this twice assuming KV_FULL is populated. 240 # no need to execute this twice assuming KV_FULL is populated.
101 # we can force by unsetting KV_FULL 241 # we can force by unsetting KV_FULL
102 if [ -n "${KV_FULL}" ] 242 [ -n "${KV_FULL}" ] && return 0
103 then
104 # Lets keep this quiet eh?
105 # einfo "\${KV_FULL} is already set. Not running get_version again"
106 return
107 fi
108 243
109 # if we dont know KV_FULL, then we need too. 244 # if we dont know KV_FULL, then we need too.
110 # make sure KV_DIR isnt set since we need to work it out via KERNEL_DIR 245 # make sure KV_DIR isnt set since we need to work it out via KERNEL_DIR
111 unset KV_DIR 246 unset KV_DIR
112 247
113 # KV_DIR will contain the full path to the sources directory we should use 248 # KV_DIR will contain the full path to the sources directory we should use
114 einfo "Determining the location of the kernel source code" 249 qeinfo "Determining the location of the kernel source code"
115 [ -h "${KERNEL_DIR}" ] && KV_DIR="$(readlink -f ${KERNEL_DIR})" 250 [ -h "${KERNEL_DIR}" ] && KV_DIR="$(readlink -f ${KERNEL_DIR})"
116 [ -d "${KERNEL_DIR}" ] && KV_DIR="${KERNEL_DIR}" 251 [ -d "${KERNEL_DIR}" ] && KV_DIR="${KERNEL_DIR}"
117 252
118 if [ -z "${KV_DIR}" ] 253 if [ -z "${KV_DIR}" ]
119 then 254 then
120 eerror "Unable to find kernel sources at ${KERNEL_DIR}" 255 qeerror "Unable to find kernel sources at ${KERNEL_DIR}"
121 die 256 qeinfo "This package requires Linux sources."
257 if [ "${KERNEL_DIR}" == "/usr/src/linux" ] ; then
258 qeinfo "Please make sure that ${KERNEL_DIR} points at your running kernel, "
259 qeinfo "(or the kernel you wish to build against)."
260 qeinfo "Alternatively, set the KERNEL_DIR environment variable to the kernel sources location"
261 else
262 qeinfo "Please ensure that the KERNEL_DIR environment variable points at full Linux sources of the kernel you wish to compile against."
122 fi 263 fi
123 264 return 1
265 fi
266
267 qeinfo "Found kernel source directory:"
268 qeinfo " ${KV_DIR}"
269
270 if [ ! -s "${KV_DIR}/Makefile" ]
271 then
272 qeerror "Could not find a Makefile in the kernel source directory."
273 qeerror "Please ensure that ${KERNEL_DIR} points to a complete set of Linux sources"
274 return 1
275 fi
276
277 # OK so now we know our sources directory, but they might be using
278 # KBUILD_OUTPUT, and we need this for .config and localversions-*
279 # so we better find it eh?
280 # do we pass KBUILD_OUTPUT on the CLI?
281 OUTPUT_DIR="${OUTPUT_DIR:-${KBUILD_OUTPUT}}"
282
283 # And if we didn't pass it, we can take a nosey in the Makefile
284 kbuild_output="$(getfilevar KBUILD_OUTPUT ${KV_DIR}/Makefile)"
285 OUTPUT_DIR="${OUTPUT_DIR:-${kbuild_output}}"
286
124 # And contrary to existing functions I feel we shouldn't trust the 287 # And contrary to existing functions I feel we shouldn't trust the
125 # directory name to find version information as this seems insane. 288 # directory name to find version information as this seems insane.
126 # so we parse ${KV_DIR}/Makefile 289 # so we parse ${KV_DIR}/Makefile
127 KV_MAJOR="$(getfilevar VERSION ${KV_DIR}/Makefile)" 290 KV_MAJOR="$(getfilevar VERSION ${KV_DIR}/Makefile)"
128 KV_MINOR="$(getfilevar PATCHLEVEL ${KV_DIR}/Makefile)" 291 KV_MINOR="$(getfilevar PATCHLEVEL ${KV_DIR}/Makefile)"
129 KV_PATCH="$(getfilevar SUBLEVEL ${KV_DIR}/Makefile)" 292 KV_PATCH="$(getfilevar SUBLEVEL ${KV_DIR}/Makefile)"
130 KV_EXTRA="$(getfilevar EXTRAVERSION ${KV_DIR}/Makefile)" 293 KV_EXTRA="$(getfilevar EXTRAVERSION ${KV_DIR}/Makefile)"
294
295 if [ -z "${KV_MAJOR}" -o -z "${KV_MINOR}" -o -z "${KV_PATCH}" ]
296 then
297 qeerror "Could not detect kernel version."
298 qeerror "Please ensure that ${KERNEL_DIR} points to a complete set of Linux sources."
299 return 1
300 fi
301
131 # and in newer versions we can also pull LOCALVERSION if it is set. 302 # and in newer versions we can also pull LOCALVERSION if it is set.
132 KV_LOCAL="$(cat ${KV_DIR}/localversion* 2>/dev/null)$(getfilevar CONFIG_LOCALVERSION ${KV_DIR}/.config | sed 's:"::g')" 303 # but before we do this, we need to find if we use a different object directory.
133 304 # This *WILL* break if the user is using localversions, but we assume it was
305 # caught before this if they are.
306 [ "${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}${KV_EXTRA}" == "$(uname -r)" ] && \
307 OUTPUT_DIR="${OUTPUT_DIR:-/lib/modules/${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}${KV_EXTRA}/build}"
308
309 [ -h "${OUTPUT_DIR}" ] && KV_OUT_DIR="$(readlink -f ${OUTPUT_DIR})"
310 [ -d "${OUTPUT_DIR}" ] && KV_OUT_DIR="${OUTPUT_DIR}"
311 if [ -n "${KV_OUT_DIR}" ];
312 then
313 qeinfo "Found kernel object directory:"
314 qeinfo " ${KV_OUT_DIR}"
315
316 KV_LOCAL="$(get_localversion ${KV_OUT_DIR})"
317 fi
318 # and if we STILL have not got it, then we better just set it to KV_DIR
319 KV_OUT_DIR="${KV_OUT_DIR:-${KV_DIR}}"
320
321 KV_LOCAL="${KV_LOCAL}$(get_localversion ${KV_DIR})"
322 if linux_config_exists; then
323 KV_LOCAL="${KV_LOCAL}$(linux_chkconfig_string LOCALVERSION)"
324 KV_LOCAL="${KV_LOCAL//\"/}"
325
326 # For things like git that can append extra stuff:
327 [ -e ${KV_DIR}/scripts/setlocalversion ] &&
328 linux_chkconfig_builtin LOCALVERSION_AUTO &&
329 KV_LOCAL="${KV_LOCAL}$(sh ${KV_DIR}/scripts/setlocalversion ${KV_DIR})"
330 fi
331
134 # And we should set KV_FULL to the full expanded version 332 # And we should set KV_FULL to the full expanded version
135 KV_FULL="${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}${KV_EXTRA}${KV_LOCAL}" 333 KV_FULL="${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}${KV_EXTRA}${KV_LOCAL}"
136 334
137 if [ -z "${KV_FULL}" ] 335 qeinfo "Found sources for kernel version:"
138 then 336 qeinfo " ${KV_FULL}"
139 eerror "We are unable to find a usable kernel source tree in ${KV_DIR}" 337
140 eerror "Please check a kernel source exists in this directory." 338 return 0
141 die 339}
340
341get_running_version() {
342 KV_FULL=$(uname -r)
343
344 if [[ -f ${ROOT}/lib/modules/${KV_FULL}/source/Makefile ]]; then
345 KERNEL_DIR=$(readlink -f ${ROOT}/lib/modules/${KV_FULL}/source)
346 unset KV_FULL
347 get_version
348 return $?
349 elif [[ -f ${ROOT}/lib/modules/${KV_FULL}/build/Makefile ]]; then
350 KERNEL_DIR=$(readlink -f ${ROOT}/lib/modules/${KV_FULL}/build)
351 unset KV_FULL
352 get_version
353 return $?
142 else 354 else
143 einfo "Found kernel source directory:" 355 KV_MAJOR=$(get_version_component_range 1 ${KV_FULL})
144 einfo " ${KV_DIR}" 356 KV_MINOR=$(get_version_component_range 2 ${KV_FULL})
145 einfo "with sources for kernel version:" 357 KV_PATCH=$(get_version_component_range 3- ${KV_FULL})
146 einfo " ${KV_FULL}" 358 KV_PATCH=${KV_PATCH//-*}
359 [[ -n ${KV_FULL#*-} ]] && [[ -n ${KV_FULL//${KV_FULL#*-}} ]] \
360 && KV_EXTRA="-${KV_FULL#*-}"
147 fi 361 fi
362 return 0
148} 363}
149
150
151 364
152 365
153# ebuild check functions 366# ebuild check functions
154# --------------------------------------- 367# ---------------------------------------
155 368
156check_kernel_built() { 369check_kernel_built() {
157 # if we haven't determined the version yet, we need too. 370 # if we haven't determined the version yet, we need to
371 require_configured_kernel
158 get_version; 372 get_version
159 373
160 if [ ! -f "${KV_DIR}/System.map" ] 374 if [ ! -f "${KV_OUT_DIR}/include/linux/version.h" ]
161 then 375 then
162 eerror "These sources have not yet been compiled." 376 eerror "These sources have not yet been prepared."
163 eerror "We cannot build against an uncompiled tree." 377 eerror "We cannot build against an unprepared tree."
164 eerror "To resolve this, please type the following:" 378 eerror "To resolve this, please type the following:"
165 eerror 379 eerror
166 eerror "# cd ${KV_DIR}" 380 eerror "# cd ${KV_DIR}"
167 eerror "# make oldconfig" 381 eerror "# make oldconfig"
168 eerror "# make bzImage modules modules_install" 382 eerror "# make modules_prepare"
169 eerror 383 eerror
170 eerror "Then please try merging this module again." 384 eerror "Then please try merging this module again."
171 die "Kernel sources need compiling first" 385 die "Kernel sources need compiling first"
172 fi 386 fi
173} 387}
174 388
175check_modules_supported() { 389check_modules_supported() {
176 # if we haven't determined the version yet, we need too. 390 # if we haven't determined the version yet, we need too.
391 require_configured_kernel
177 get_version; 392 get_version
178 393
179 getfilevar_isset CONFIG_MODULES ${KV_DIR}/.config 394 if ! linux_chkconfig_builtin "MODULES"
180 if [ "$?" != 0 ]
181 then 395 then
182 eerror "These sources do not support loading external modules." 396 eerror "These sources do not support loading external modules."
183 eerror "to be able to use this module please enable \"Loadable modules support\"" 397 eerror "to be able to use this module please enable \"Loadable modules support\""
184 eerror "in your kernel, recompile and then try merging this module again." 398 eerror "in your kernel, recompile and then try merging this module again."
399 die "No support for external modules in ${KV_FULL} config"
400 fi
401}
402
403check_extra_config() {
404 local config negate die error reworkmodulenames
405 local soft_errors_count=0 hard_errors_count=0 config_required=0
406
407 # Determine if we really need a .config. The only time when we don't need
408 # one is when all of the CONFIG_CHECK options are prefixed with "~".
409 for config in ${CONFIG_CHECK}
410 do
411 if [[ "${config:0:1}" != "~" ]]; then
412 config_required=1
413 break
414 fi
415 done
416
417 if [[ ${config_required} == 0 ]]; then
418 # In the case where we don't require a .config, we can now bail out
419 # if the user has no .config as there is nothing to do. Otherwise
420 # code later will cause a failure due to missing .config.
421 if ! linux_config_exists; then
422 return 0
423 fi
424 else
425 require_configured_kernel
426 fi
427
428 # if we haven't determined the version yet, we need too.
429 get_version
430
431 einfo "Checking for suitable kernel configuration options..."
432
433 for config in ${CONFIG_CHECK}
434 do
435 # if we specify any fatal, ensure we honor them
436 die=1
437 error=0
438 negate=0
439 reworkmodulenames=0
440
441 if [[ ${config:0:1} == "~" ]]; then
442 die=0
443 config=${config:1}
444 elif [[ ${config:0:1} == "@" ]]; then
445 die=0
446 reworkmodulenames=1
447 config=${config:1}
448 fi
449 if [[ ${config:0:1} == "!" ]]; then
450 negate=1
451 config=${config:1}
452 fi
453
454 if [[ ${negate} == 1 ]]; then
455 linux_chkconfig_present ${config} && error=2
456 elif [[ ${reworkmodulenames} == 1 ]]; then
457 local temp_config="${config//*:}" i n
458 config="${config//:*}"
459 if linux_chkconfig_present ${config}; then
460 for i in ${MODULE_NAMES}; do
461 n="${i//${temp_config}}"
462 [[ -z ${n//\(*} ]] && \
463 MODULE_IGNORE="${MODULE_IGNORE} ${temp_config}"
464 done
465 error=2
466 fi
467 else
468 linux_chkconfig_present ${config} || error=1
469 fi
470
471 if [[ ${error} > 0 ]]; then
472 local report_func="eerror" local_error
473 local_error="ERROR_${config}"
474 local_error="${!local_error}"
475
476 if [[ -z "${local_error}" ]]; then
477 # using old, deprecated format.
478 local_error="${config}_ERROR"
479 local_error="${!local_error}"
480 fi
481 if [[ ${die} == 0 && -z "${local_error}" ]]; then
482 #soft errors can be warnings
483 local_error="WARNING_${config}"
484 local_error="${!local_error}"
485 if [[ -n "${local_error}" ]] ; then
486 report_func="ewarn"
487 fi
488 fi
489
490 if [[ -z "${local_error}" ]]; then
491 [[ ${error} == 1 ]] \
492 && local_error="is not set when it should be." \
493 || local_error="should not be set. But it is."
494 local_error="CONFIG_${config}:\t ${local_error}"
495 fi
496 if [[ ${die} == 0 ]]; then
497 ${report_func} " ${local_error}"
498 soft_errors_count=$[soft_errors_count + 1]
499 else
500 ${report_func} " ${local_error}"
501 hard_errors_count=$[hard_errors_count + 1]
502 fi
503 fi
504 done
505
506 if [[ ${hard_errors_count} > 0 ]]; then
507 eerror "Please check to make sure these options are set correctly."
508 eerror "Failure to do so may cause unexpected problems."
509 eerror "Once you have satisfied these options, please try merging"
510 eerror "this package again."
511 die "Incorrect kernel configuration options"
512 elif [[ ${soft_errors_count} > 0 ]]; then
513 ewarn "Please check to make sure these options are set correctly."
514 ewarn "Failure to do so may cause unexpected problems."
515 else
516 eend 0
185 fi 517 fi
186} 518}
187 519
188check_zlibinflate() { 520check_zlibinflate() {
189 # if we haven't determined the version yet, we need too. 521 # if we haven't determined the version yet, we need to
522 require_configured_kernel
190 get_version; 523 get_version
191 524
192 # although I restructured this code - I really really really dont support it! 525 # although I restructured this code - I really really really dont support it!
193 526
194 # bug #27882 - zlib routines are only linked into the kernel 527 # bug #27882 - zlib routines are only linked into the kernel
195 # if something compiled into the kernel calls them 528 # if something compiled into the kernel calls them
196 # 529 #
197 # plus, for the cloop module, it appears that there's no way 530 # plus, for the cloop module, it appears that there's no way
198 # to get cloop.o to include a static zlib if CONFIG_MODVERSIONS 531 # to get cloop.o to include a static zlib if CONFIG_MODVERSIONS
199 # is on 532 # is on
200 533
201local INFLATE 534 local INFLATE
202local DEFLATE 535 local DEFLATE
203 536
204 einfo "Determining the usability of ZLIB_INFLATE support in your kernel" 537 einfo "Determining the usability of ZLIB_INFLATE support in your kernel"
205 538
206 ebegin "checking ZLIB_INFLATE" 539 ebegin "checking ZLIB_INFLATE"
207 getfilevar_isbuiltin CONFIG_ZLIB_INFLATE ${KV_DIR}/.config 540 getfilevar_isbuiltin CONFIG_ZLIB_INFLATE ${KV_DIR}/.config
208 eend $? 541 eend $?
209 [ "$?" != 0 ] && die 542 [ "$?" != 0 ] && die
210 543
211 ebegin "checking ZLIB_DEFLATE" 544 ebegin "checking ZLIB_DEFLATE"
212 getfilevar_isbuiltin CONFIG_ZLIB_DEFLATE ${KV_DIR}/.config 545 getfilevar_isbuiltin CONFIG_ZLIB_DEFLATE ${KV_DIR}/.config
213 eend $? 546 eend $?
214 [ "$?" != 0 ] && die 547 [ "$?" != 0 ] && die
215 548
216
217 local LINENO_START 549 local LINENO_START
218 local LINENO_END 550 local LINENO_END
219 local SYMBOLS 551 local SYMBOLS
220 local x 552 local x
221 553
222 LINENO_END="$(grep -n 'CONFIG_ZLIB_INFLATE y' ${KV_DIR}/lib/Config.in | cut -d : -f 1)" 554 LINENO_END="$(grep -n 'CONFIG_ZLIB_INFLATE y' ${KV_DIR}/lib/Config.in | cut -d : -f 1)"
223 LINENO_START="$(head -n $LINENO_END ${KV_DIR}/lib/Config.in | grep -n 'if \[' | tail -n 1 | cut -d : -f 1)" 555 LINENO_START="$(head -n $LINENO_END ${KV_DIR}/lib/Config.in | grep -n 'if \[' | tail -n 1 | cut -d : -f 1)"
224 (( LINENO_AMOUNT = $LINENO_END - $LINENO_START )) 556 (( LINENO_AMOUNT = $LINENO_END - $LINENO_START ))
225 (( LINENO_END = $LINENO_END - 1 )) 557 (( LINENO_END = $LINENO_END - 1 ))
226 SYMBOLS="$(head -n $LINENO_END ${KERNEL_DIR}/lib/Config.in | tail -n $LINENO_AMOUNT | sed -e 's/^.*\(CONFIG_[^\" ]*\).*/\1/g;')" 558 SYMBOLS="$(head -n $LINENO_END ${KV_DIR}/lib/Config.in | tail -n $LINENO_AMOUNT | sed -e 's/^.*\(CONFIG_[^\" ]*\).*/\1/g;')"
227 559
228 # okay, now we have a list of symbols 560 # okay, now we have a list of symbols
229 # we need to check each one in turn, to see whether it is set or not 561 # we need to check each one in turn, to see whether it is set or not
230 for x in $SYMBOLS ; do 562 for x in $SYMBOLS ; do
231 if [ "${!x}" = "y" ]; then 563 if [ "${!x}" = "y" ]; then
232 # we have a winner! 564 # we have a winner!
233 einfo "${x} ensures zlib is linked into your kernel - excellent" 565 einfo "${x} ensures zlib is linked into your kernel - excellent"
234 return 0 566 return 0
235 fi 567 fi
236 done 568 done
237 569
238 eerror 570 eerror
239 eerror "This kernel module requires ZLIB library support." 571 eerror "This kernel module requires ZLIB library support."
240 eerror "You have enabled zlib support in your kernel, but haven't enabled" 572 eerror "You have enabled zlib support in your kernel, but haven't enabled"
241 eerror "enabled any option that will ensure that zlib is linked into your" 573 eerror "enabled any option that will ensure that zlib is linked into your"
242 eerror "kernel." 574 eerror "kernel."
252 eerror "Please remember to recompile and install your kernel, and reboot" 584 eerror "Please remember to recompile and install your kernel, and reboot"
253 eerror "into your new kernel before attempting to load this kernel module." 585 eerror "into your new kernel before attempting to load this kernel module."
254 586
255 die "Kernel doesn't include zlib support" 587 die "Kernel doesn't include zlib support"
256} 588}
589
590################################
591# Default pkg_setup
592# Also used when inheriting linux-mod to force a get_version call
593
594linux-info_pkg_setup() {
595 get_version || die "Unable to calculate Linux Kernel version"
596
597 if kernel_is 2 4; then
598 if [ "$( gcc-major-version )" -eq "4" ] ; then
599 echo
600 ewarn "Be warned !! >=sys-devel/gcc-4.0.0 isn't supported with"
601 ewarn "linux-2.4 (or modules building against a linux-2.4 kernel)!"
602 echo
603 ewarn "Either switch to another gcc-version (via gcc-config) or use a"
604 ewarn "newer kernel that supports gcc-4."
605 echo
606 ewarn "Also be aware that bugreports about gcc-4 not working"
607 ewarn "with linux-2.4 based ebuilds will be closed as INVALID!"
608 echo
609 epause 10
610 fi
611 fi
612
613 [ -n "${CONFIG_CHECK}" ] && check_extra_config;
614}

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