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1# Copyright 1999-2006 Gentoo Foundation 1# Copyright 1999-2013 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 1.39 2006/02/08 12:57:52 brix Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/linux-info.eclass,v 1.95 2013/01/16 14:29:01 zmedico Exp $
4# 4
5# @ECLASS: linux-info.eclass
6# @MAINTAINER:
7# kernel-misc@gentoo.org
8# @AUTHOR:
9# Original author: John Mylchreest <johnm@gentoo.org>
10# @BLURB: eclass used for accessing kernel related information
11# @DESCRIPTION:
5# Description: This eclass is used as a central eclass for accessing kernel 12# This eclass is used as a central eclass for accessing kernel
6# related information for sources already installed. 13# related information for source or binary already installed.
7# It is vital for linux-mod to function correctly, and is split 14# It is vital for linux-mod.eclass to function correctly, and is split
8# out so that any ebuild behaviour "templates" are abstracted out 15# out so that any ebuild behaviour "templates" are abstracted out
9# using additional eclasses. 16# using additional eclasses.
10# 17#
11# Maintainer: John Mylchreest <johnm@gentoo.org> 18# "kernel config" in this file means:
12# Copyright 2004 Gentoo Linux 19# The .config of the currently installed sources is used as the first
20# preference, with a fall-back to bundled config (/proc/config.gz) if available.
13# 21#
14# Please direct your bugs to the current eclass maintainer :) 22# Before using any of the config-handling functions in this eclass, you must
23# ensure that one of the following functions has been called (in order of
24# preference), otherwise you will get bugs like #364041):
25# linux-info_pkg_setup
26# linux-info_get_any_version
27# get_version
28# get_running_version
15 29
16# A Couple of env vars are available to effect usage of this eclass 30# A Couple of env vars are available to effect usage of this eclass
17# These are as follows: 31# These are as follows:
18# 32
19# Env Var Option Description 33# @ECLASS-VARIABLE: KERNEL_DIR
20# KERNEL_DIR <string> The directory containing kernel the target kernel 34# @DESCRIPTION:
21# sources. 35# A string containing the directory of the target kernel sources. The default value is
36# "/usr/src/linux"
37
38# @ECLASS-VARIABLE: CONFIG_CHECK
39# @DESCRIPTION:
22# CONFIG_CHECK <string> a list of .config options to check for before 40# A string containing a list of .config options to check for before
23# proceeding with the install. ie: CONFIG_CHECK="MTRR" 41# proceeding with the install.
42#
43# e.g.: CONFIG_CHECK="MTRR"
44#
24# You can also check that an option doesn't exist by 45# You can also check that an option doesn't exist by
25# prepending it with an exclamation mark (!). 46# prepending it with an exclamation mark (!).
47#
26# ie: CONFIG_CHECK="!MTRR" 48# e.g.: CONFIG_CHECK="!MTRR"
49#
27# To simply warn about a missing option, prepend a '~'. 50# To simply warn about a missing option, prepend a '~'.
28# ERROR_CFG <string> The error message to display when the above check 51# It may be combined with '!'.
52#
53# In general, most checks should be non-fatal. The only time fatal checks should
54# be used is for building kernel modules or cases that a compile will fail
55# without the option.
56#
57# This is to allow usage of binary kernels, and minimal systems without kernel
58# sources.
59
60# @ECLASS-VARIABLE: ERROR_<CFG>
61# @DESCRIPTION:
62# A string containing the error message to display when the check against CONFIG_CHECK
29# fails. <CFG> should reference the appropriate option 63# fails. <CFG> should reference the appropriate option used in CONFIG_CHECK.
30# as above. ie: ERROR_MTRR="MTRR exists in the .config 64#
31# but shouldn't!!" 65# e.g.: ERROR_MTRR="MTRR exists in the .config but shouldn't!!"
32# KBUILD_OUTPUT <string> This is passed on commandline, or can be set from 66
33# the kernel makefile. This contains the directory 67# @ECLASS-VARIABLE: KBUILD_OUTPUT
68# @DESCRIPTION:
69# A string passed on commandline, or set from the kernel makefile. It contains the directory
34# which is to be used as the kernel object directory. 70# which is to be used as the kernel object directory.
35 71
36# There are also a couple of variables which are set by this, and shouldn't be 72# There are also a couple of variables which are set by this, and shouldn't be
37# set by hand. These are as follows: 73# set by hand. These are as follows:
38# 74
39# Env Var Option Description 75# @ECLASS-VARIABLE: KV_FULL
40# KV_FULL <string> The full kernel version. ie: 2.6.9-gentoo-johnm-r1 76# @DESCRIPTION:
41# KV_MAJOR <integer> The kernel major version. ie: 2 77# A read-only variable. It's a string containing the full kernel version. ie: 2.6.9-gentoo-johnm-r1
42# KV_MINOR <integer> The kernel minor version. ie: 6 78
43# KV_PATCH <integer> The kernel patch version. ie: 9 79# @ECLASS-VARIABLE: KV_MAJOR
44# KV_EXTRA <string> The kernel EXTRAVERSION. ie: -gentoo 80# @DESCRIPTION:
45# KV_LOCAL <string> The kernel LOCALVERSION concatenation. ie: -johnm 81# A read-only variable. It's an integer containing the kernel major version. ie: 2
46# KV_DIR <string> The kernel source directory, will be null if 82
83# @ECLASS-VARIABLE: KV_MINOR
84# @DESCRIPTION:
85# A read-only variable. It's an integer containing the kernel minor version. ie: 6
86
87# @ECLASS-VARIABLE: KV_PATCH
88# @DESCRIPTION:
89# A read-only variable. It's an integer containing the kernel patch version. ie: 9
90
91# @ECLASS-VARIABLE: KV_EXTRA
92# @DESCRIPTION:
93# A read-only variable. It's a string containing the kernel EXTRAVERSION. ie: -gentoo
94
95# @ECLASS-VARIABLE: KV_LOCAL
96# @DESCRIPTION:
97# A read-only variable. It's a string containing the kernel LOCALVERSION concatenation. ie: -johnm
98
99# @ECLASS-VARIABLE: KV_DIR
100# @DESCRIPTION:
101# A read-only variable. It's a string containing the kernel source directory, will be null if
47# KERNEL_DIR is invalid. 102# KERNEL_DIR is invalid.
48# KV_OUT_DIR <string> The kernel object directory. will be KV_DIR unless 103
49# koutput is used. This should be used for referencing 104# @ECLASS-VARIABLE: KV_OUT_DIR
50# .config. 105# @DESCRIPTION:
106# A read-only variable. It's a string containing the kernel object directory, will be KV_DIR unless
107# KBUILD_OUTPUT is used. This should be used for referencing .config.
51 108
52# And to ensure all the weirdness with crosscompile 109# And to ensure all the weirdness with crosscompile
53inherit toolchain-funcs versionator 110inherit toolchain-funcs versionator
54 111
55EXPORT_FUNCTIONS pkg_setup 112EXPORT_FUNCTIONS pkg_setup
56 113
57DEPEND="virtual/linux-sources" 114DEPEND=""
58RDEPEND="" 115RDEPEND=""
59 116
60# Overwritable environment Var's 117# Overwritable environment Var's
61# --------------------------------------- 118# ---------------------------------------
62KERNEL_DIR="${KERNEL_DIR:-${ROOT}usr/src/linux}" 119KERNEL_DIR="${KERNEL_DIR:-${ROOT}usr/src/linux}"
67case ${ARCH} in 124case ${ARCH} in
68 ppc) BUILD_FIXES="${BUILD_FIXES} TOUT=${T}/.tmp_gas_check";; 125 ppc) BUILD_FIXES="${BUILD_FIXES} TOUT=${T}/.tmp_gas_check";;
69 ppc64) BUILD_FIXES="${BUILD_FIXES} TOUT=${T}/.tmp_gas_check";; 126 ppc64) BUILD_FIXES="${BUILD_FIXES} TOUT=${T}/.tmp_gas_check";;
70esac 127esac
71 128
72# These are legacy wrappers for toolchain-funcs. 129# @FUNCTION: set_arch_to_kernel
73# I dont like them here, but oh well. 130# @DESCRIPTION:
131# Set the env ARCH to match what the kernel expects.
74set_arch_to_kernel() { export ARCH="$(tc-arch-kernel)"; } 132set_arch_to_kernel() { export ARCH=$(tc-arch-kernel); }
133# @FUNCTION: set_arch_to_portage
134# @DESCRIPTION:
135# Set the env ARCH to match what portage expects.
75set_arch_to_portage() { export ARCH="$(tc-arch)"; } 136set_arch_to_portage() { export ARCH=$(tc-arch); }
76 137
77# qeinfo "Message" 138# qeinfo "Message"
78# ------------------- 139# -------------------
79# qeinfo is a quiet einfo call when EBUILD_PHASE 140# qeinfo is a quiet einfo call when EBUILD_PHASE
80# should not have visible output. 141# should not have visible output.
90 esac 151 esac
91 [ -n "${outputmsg}" ] && ${type} "${outputmsg}" 152 [ -n "${outputmsg}" ] && ${type} "${outputmsg}"
92} 153}
93 154
94qeinfo() { qout einfo "${@}" ; } 155qeinfo() { qout einfo "${@}" ; }
156qewarn() { qout ewarn "${@}" ; }
95qeerror() { qout eerror "${@}" ; } 157qeerror() { qout eerror "${@}" ; }
96 158
97# File Functions 159# File Functions
98# --------------------------------------- 160# ---------------------------------------
99 161
100# getfilevar accepts 2 vars as follows: 162# @FUNCTION: getfilevar
101# getfilevar <VARIABLE> <CONFIGFILE> 163# @USAGE: variable configfile
102 164# @RETURN: the value of the variable
165# @DESCRIPTION:
166# It detects the value of the variable defined in the file configfile. This is
167# done by including the configfile, and printing the variable with Make.
168# It WILL break if your makefile has missing dependencies!
103getfilevar() { 169getfilevar() {
104local ERROR workingdir basefname basedname myARCH="${ARCH}" 170 local ERROR basefname basedname myARCH="${ARCH}"
105 ERROR=0 171 ERROR=0
106 172
107 [ -z "${1}" ] && ERROR=1 173 [ -z "${1}" ] && ERROR=1
108 [ ! -f "${2}" ] && ERROR=1 174 [ ! -f "${2}" ] && ERROR=1
109 175
111 then 177 then
112 echo -e "\n" 178 echo -e "\n"
113 eerror "getfilevar requires 2 variables, with the second a valid file." 179 eerror "getfilevar requires 2 variables, with the second a valid file."
114 eerror " getfilevar <VARIABLE> <CONFIGFILE>" 180 eerror " getfilevar <VARIABLE> <CONFIGFILE>"
115 else 181 else
116 workingdir="${PWD}"
117 basefname="$(basename ${2})" 182 basefname="$(basename ${2})"
118 basedname="$(dirname ${2})" 183 basedname="$(dirname ${2})"
119 unset ARCH 184 unset ARCH
120 185
121 cd "${basedname}" 186 echo -e "e:\\n\\t@echo \$(${1})\\ninclude ${basefname}" | \
122 echo -e "include ${basefname}\ne:\n\t@echo \$(${1})" | \ 187 make -C "${basedname}" M="${S}" ${BUILD_FIXES} -s -f - 2>/dev/null
123 make ${BUILD_FIXES} -s -f - e 2>/dev/null
124 cd "${workingdir}"
125 188
126 ARCH=${myARCH} 189 ARCH=${myARCH}
127 fi 190 fi
128} 191}
129 192
193# @FUNCTION: getfilevar_noexec
194# @USAGE: variable configfile
195# @RETURN: the value of the variable
196# @DESCRIPTION:
197# It detects the value of the variable defined in the file configfile.
198# This is done with sed matching an expression only. If the variable is defined,
199# you will run into problems. See getfilevar for those cases.
200getfilevar_noexec() {
201 local ERROR basefname basedname mycat myARCH="${ARCH}"
202 ERROR=0
203 mycat='cat'
204
205 [ -z "${1}" ] && ERROR=1
206 [ ! -f "${2}" ] && ERROR=1
207 [ "${2%.gz}" != "${2}" ] && mycat='zcat'
208
209 if [ "${ERROR}" = 1 ]
210 then
211 echo -e "\n"
212 eerror "getfilevar_noexec requires 2 variables, with the second a valid file."
213 eerror " getfilevar_noexec <VARIABLE> <CONFIGFILE>"
214 else
215 ${mycat} "${2}" | \
216 sed -n \
217 -e "/^[[:space:]]*${1}[[:space:]]*:\\?=[[:space:]]*\(.*\)\$/{
218 s,^[^=]*[[:space:]]*=[[:space:]]*,,g ;
219 s,[[:space:]]*\$,,g ;
220 p
221 }"
222 fi
223}
224
225# @ECLASS-VARIABLE: _LINUX_CONFIG_EXISTS_DONE
226# @INTERNAL
227# @DESCRIPTION:
228# 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,
230# as linux_chkconfig* in non-legacy mode WILL return an undefined value if no
231# config is available at all.
232_LINUX_CONFIG_EXISTS_DONE=
233
234linux_config_qa_check() {
235 local f="$1"
236 if [ -z "${_LINUX_CONFIG_EXISTS_DONE}" ]; then
237 ewarn "QA: You called $f before any linux_config_exists!"
238 ewarn "QA: The return value of $f will NOT guaranteed later!"
239 fi
240}
241
242# @FUNCTION: linux_config_src_exists
243# @RETURN: true or false
244# @DESCRIPTION:
245# It returns true if .config exists in a build directory otherwise false
246linux_config_src_exists() {
247 export _LINUX_CONFIG_EXISTS_DONE=1
248 [ -s "${KV_OUT_DIR}/.config" ]
249}
250
251# @FUNCTION: linux_config_bin_exists
252# @RETURN: true or false
253# @DESCRIPTION:
254# It returns true if .config exists in /proc, otherwise false
255linux_config_bin_exists() {
256 export _LINUX_CONFIG_EXISTS_DONE=1
257 [ -s "/proc/config.gz" ]
258}
259
260# @FUNCTION: linux_config_exists
261# @RETURN: true or false
262# @DESCRIPTION:
263# It returns true if .config exists otherwise false
264#
265# This function MUST be checked before using any of the linux_chkconfig_*
266# functions.
267linux_config_exists() {
268 linux_config_src_exists || linux_config_bin_exists
269}
270
271# @FUNCTION: require_configured_kernel
272# @DESCRIPTION:
273# This function verifies that the current kernel is configured (it checks against the existence of .config)
274# otherwise it dies.
275require_configured_kernel() {
276 if ! linux_config_src_exists; then
277 qeerror "Could not find a usable .config in the kernel source directory."
278 qeerror "Please ensure that ${KERNEL_DIR} points to a configured set of Linux sources."
279 qeerror "If you are using KBUILD_OUTPUT, please set the environment var so that"
280 qeerror "it points to the necessary object directory so that it might find .config."
281 die "Kernel not configured; no .config found in ${KV_OUT_DIR}"
282 fi
283}
284
285# @FUNCTION: linux_chkconfig_present
286# @USAGE: option
287# @RETURN: true or false
288# @DESCRIPTION:
289# It checks that CONFIG_<option>=y or CONFIG_<option>=m is present in the current kernel .config
290# If linux_config_exists returns false, the results of this are UNDEFINED. You
291# MUST call linux_config_exists first.
130linux_chkconfig_present() { 292linux_chkconfig_present() {
131local RESULT 293 linux_config_qa_check linux_chkconfig_present
294 local RESULT config
295 config="${KV_OUT_DIR}/.config"
296 [ ! -f "${config}" ] && config="/proc/config.gz"
132 RESULT="$(getfilevar CONFIG_${1} ${KV_OUT_DIR}/.config)" 297 RESULT="$(getfilevar_noexec CONFIG_${1} "${config}")"
133 [ "${RESULT}" = "m" -o "${RESULT}" = "y" ] && return 0 || return 1 298 [ "${RESULT}" = "m" -o "${RESULT}" = "y" ] && return 0 || return 1
134} 299}
135 300
301# @FUNCTION: linux_chkconfig_module
302# @USAGE: option
303# @RETURN: true or false
304# @DESCRIPTION:
305# It checks that CONFIG_<option>=m is present in the current kernel .config
306# If linux_config_exists returns false, the results of this are UNDEFINED. You
307# MUST call linux_config_exists first.
136linux_chkconfig_module() { 308linux_chkconfig_module() {
137local RESULT 309 linux_config_qa_check linux_chkconfig_module
310 local RESULT config
311 config="${KV_OUT_DIR}/.config"
312 [ ! -f "${config}" ] && config="/proc/config.gz"
138 RESULT="$(getfilevar CONFIG_${1} ${KV_OUT_DIR}/.config)" 313 RESULT="$(getfilevar_noexec CONFIG_${1} "${config}")"
139 [ "${RESULT}" = "m" ] && return 0 || return 1 314 [ "${RESULT}" = "m" ] && return 0 || return 1
140} 315}
141 316
317# @FUNCTION: linux_chkconfig_builtin
318# @USAGE: option
319# @RETURN: true or false
320# @DESCRIPTION:
321# It checks that CONFIG_<option>=y is present in the current kernel .config
322# If linux_config_exists returns false, the results of this are UNDEFINED. You
323# MUST call linux_config_exists first.
142linux_chkconfig_builtin() { 324linux_chkconfig_builtin() {
143local RESULT 325 linux_config_qa_check linux_chkconfig_builtin
326 local RESULT config
327 config="${KV_OUT_DIR}/.config"
328 [ ! -f "${config}" ] && config="/proc/config.gz"
144 RESULT="$(getfilevar CONFIG_${1} ${KV_OUT_DIR}/.config)" 329 RESULT="$(getfilevar_noexec CONFIG_${1} "${config}")"
145 [ "${RESULT}" = "y" ] && return 0 || return 1 330 [ "${RESULT}" = "y" ] && return 0 || return 1
146} 331}
147 332
333# @FUNCTION: linux_chkconfig_string
334# @USAGE: option
335# @RETURN: CONFIG_<option>
336# @DESCRIPTION:
337# It prints the CONFIG_<option> value of the current kernel .config (it requires a configured kernel).
338# If linux_config_exists returns false, the results of this are UNDEFINED. You
339# MUST call linux_config_exists first.
148linux_chkconfig_string() { 340linux_chkconfig_string() {
341 linux_config_qa_check linux_chkconfig_string
342 local config
343 config="${KV_OUT_DIR}/.config"
344 [ ! -f "${config}" ] && config="/proc/config.gz"
149 getfilevar "CONFIG_${1}" "${KV_OUT_DIR}/.config" 345 getfilevar_noexec "CONFIG_${1}" "${config}"
150} 346}
151 347
152# Versioning Functions 348# Versioning Functions
153# --------------------------------------- 349# ---------------------------------------
154 350
155# kernel_is returns true when the version is the same as the passed version 351# @FUNCTION: kernel_is
352# @USAGE: [-lt -gt -le -ge -eq] major_number [minor_number patch_number]
353# @RETURN: true or false
354# @DESCRIPTION:
355# It returns true when the current kernel version satisfies the comparison against the passed version.
356# -eq is the default comparison.
156# 357#
358# @CODE
157# For Example where KV = 2.6.9 359# For Example where KV = 2.6.9
158# kernel_is 2 4 returns false 360# kernel_is 2 4 returns false
159# kernel_is 2 returns true 361# kernel_is 2 returns true
160# kernel_is 2 6 returns true 362# kernel_is 2 6 returns true
161# kernel_is 2 6 8 returns false 363# kernel_is 2 6 8 returns false
162# kernel_is 2 6 9 returns true 364# kernel_is 2 6 9 returns true
163# 365# @CODE
164# got the jist yet?
165 366
367# Note: duplicated in kernel-2.eclass
166kernel_is() { 368kernel_is() {
167 # if we haven't determined the version yet, we need too. 369 # if we haven't determined the version yet, we need to.
168 get_version; 370 linux-info_get_any_version
371
372 # Now we can continue
169 local operator test value x=0 y=0 z=0 373 local operator test value
170 374
171 case ${1} in 375 case ${1#-} in
172 lt) operator="-lt"; shift;; 376 lt) operator="-lt"; shift;;
173 gt) operator="-gt"; shift;; 377 gt) operator="-gt"; shift;;
174 le) operator="-le"; shift;; 378 le) operator="-le"; shift;;
175 ge) operator="-ge"; shift;; 379 ge) operator="-ge"; shift;;
176 eq) operator="-eq"; shift;; 380 eq) operator="-eq"; shift;;
177 *) operator="-eq";; 381 *) operator="-eq";;
178 esac 382 esac
179
180 for x in ${@}; do
181 for((y=0; y<$((3 - ${#x})); y++)); do value="${value}0"; done
182 value="${value}${x}"
183 z=$((${z} + 1))
184
185 case ${z} in
186 1) for((y=0; y<$((3 - ${#KV_MAJOR})); y++)); do test="${test}0"; done;
187 test="${test}${KV_MAJOR}";;
188 2) for((y=0; y<$((3 - ${#KV_MINOR})); y++)); do test="${test}0"; done;
189 test="${test}${KV_MINOR}";;
190 3) for((y=0; y<$((3 - ${#KV_PATCH})); y++)); do test="${test}0"; done;
191 test="${test}${KV_PATCH}";;
192 *) die "Error in kernel-2_kernel_is(): Too many parameters.";; 383 [[ $# -gt 3 ]] && die "Error in kernel-2_kernel_is(): too many parameters"
193 esac
194 done
195 384
196 [ ${test} ${operator} ${value} ] && return 0 || return 1 385 : $(( test = (KV_MAJOR << 16) + (KV_MINOR << 8) + KV_PATCH ))
386 : $(( value = (${1:-${KV_MAJOR}} << 16) + (${2:-${KV_MINOR}} << 8) + ${3:-${KV_PATCH}} ))
387 [ ${test} ${operator} ${value} ]
197} 388}
198 389
199get_localversion() { 390get_localversion() {
200 local lv_list i x 391 local lv_list i x
201 392
209 done 400 done
210 x=${x/ /} 401 x=${x/ /}
211 echo ${x} 402 echo ${x}
212} 403}
213 404
405# Check if the Makefile is valid for direct parsing.
406# Check status results:
407# - PASS, use 'getfilevar' to extract values
408# - FAIL, use 'getfilevar_noexec' to extract values
409# The check may fail if:
410# - make is not present
411# - corruption exists in the kernel makefile
412get_makefile_extract_function() {
413 local a='' b='' mkfunc='getfilevar'
414 a="$(getfilevar VERSION ${KERNEL_MAKEFILE})"
415 b="$(getfilevar_noexec VERSION ${KERNEL_MAKEFILE})"
416 [[ "${a}" != "${b}" ]] && mkfunc='getfilevar_noexec'
417 echo "${mkfunc}"
418}
419
420# internal variable, so we know to only print the warning once
421get_version_warning_done=
422
423# @FUNCTION: get_version
424# @DESCRIPTION:
425# It gets the version of the kernel inside KERNEL_DIR and populates the KV_FULL variable
426# (if KV_FULL is already set it does nothing).
427#
428# The kernel version variables (KV_MAJOR, KV_MINOR, KV_PATCH, KV_EXTRA and KV_LOCAL) are also set.
429#
430# The KV_DIR is set using the KERNEL_DIR env var, the KV_DIR_OUT is set using a valid
431# KBUILD_OUTPUT (in a decreasing priority list, we look for the env var, makefile var or the
432# symlink /lib/modules/${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}${KV_EXTRA}/build).
214get_version() { 433get_version() {
215 local kbuild_output 434 local kbuild_output mkfunc tmplocal
216 435
217 # no need to execute this twice assuming KV_FULL is populated. 436 # no need to execute this twice assuming KV_FULL is populated.
218 # we can force by unsetting KV_FULL 437 # we can force by unsetting KV_FULL
219 [ -n "${KV_FULL}" ] && return 0 438 [ -n "${KV_FULL}" ] && return 0
220 439
221 # if we dont know KV_FULL, then we need too. 440 # if we dont know KV_FULL, then we need too.
222 # make sure KV_DIR isnt set since we need to work it out via KERNEL_DIR 441 # make sure KV_DIR isnt set since we need to work it out via KERNEL_DIR
223 unset KV_DIR 442 unset KV_DIR
224 443
225 # KV_DIR will contain the full path to the sources directory we should use 444 # KV_DIR will contain the full path to the sources directory we should use
445 [ -z "${get_version_warning_done}" ] && \
226 qeinfo "Determining the location of the kernel source code" 446 qeinfo "Determining the location of the kernel source code"
227 [ -h "${KERNEL_DIR}" ] && KV_DIR="$(readlink -f ${KERNEL_DIR})" 447 [ -h "${KERNEL_DIR}" ] && KV_DIR="$(readlink -f ${KERNEL_DIR})"
228 [ -d "${KERNEL_DIR}" ] && KV_DIR="${KERNEL_DIR}" 448 [ -d "${KERNEL_DIR}" ] && KV_DIR="${KERNEL_DIR}"
229 449
230 if [ -z "${KV_DIR}" ] 450 if [ -z "${KV_DIR}" ]
231 then 451 then
452 if [ -z "${get_version_warning_done}" ]; then
453 get_version_warning_done=1
232 qeerror "Unable to find kernel sources at ${KERNEL_DIR}" 454 qeerror "Unable to find kernel sources at ${KERNEL_DIR}"
233 qeinfo "This package requires Linux sources." 455 #qeinfo "This package requires Linux sources."
234 if [ "${KERNEL_DIR}" == "/usr/src/linux" ] ; then 456 if [ "${KERNEL_DIR}" == "/usr/src/linux" ] ; then
235 qeinfo "Please make sure that ${KERNEL_DIR} points at your running kernel, " 457 qeinfo "Please make sure that ${KERNEL_DIR} points at your running kernel, "
236 qeinfo "(or the kernel you wish to build against)." 458 qeinfo "(or the kernel you wish to build against)."
237 qeinfo "Alternatively, set the KERNEL_DIR environment variable to the kernel sources location" 459 qeinfo "Alternatively, set the KERNEL_DIR environment variable to the kernel sources location"
238 else 460 else
239 qeinfo "Please ensure that the KERNEL_DIR environment variable points at full Linux sources of the kernel you wish to compile against." 461 qeinfo "Please ensure that the KERNEL_DIR environment variable points at full Linux sources of the kernel you wish to compile against."
462 fi
240 fi 463 fi
241 return 1 464 return 1
242 fi 465 fi
243 466
467 if [ -z "${get_version_warning_done}" ]; then
244 qeinfo "Found kernel source directory:" 468 qeinfo "Found kernel source directory:"
245 qeinfo " ${KV_DIR}" 469 qeinfo " ${KV_DIR}"
470 fi
246 471
247 if [ ! -s "${KV_DIR}/Makefile" ] 472 if [ ! -s "${KV_DIR}/Makefile" ]
248 then 473 then
474 if [ -z "${get_version_warning_done}" ]; then
475 get_version_warning_done=1
249 qeerror "Could not find a Makefile in the kernel source directory." 476 qeerror "Could not find a Makefile in the kernel source directory."
250 qeerror "Please ensure that ${KERNEL_DIR} points to a complete set of Linux sources" 477 qeerror "Please ensure that ${KERNEL_DIR} points to a complete set of Linux sources"
478 fi
251 return 1 479 return 1
252 fi 480 fi
253 481
254 # OK so now we know our sources directory, but they might be using 482 # OK so now we know our sources directory, but they might be using
255 # KBUILD_OUTPUT, and we need this for .config and localversions-* 483 # KBUILD_OUTPUT, and we need this for .config and localversions-*
256 # so we better find it eh? 484 # so we better find it eh?
257 # do we pass KBUILD_OUTPUT on the CLI? 485 # do we pass KBUILD_OUTPUT on the CLI?
258 OUTPUT_DIR="${OUTPUT_DIR:-${KBUILD_OUTPUT}}" 486 OUTPUT_DIR="${OUTPUT_DIR:-${KBUILD_OUTPUT}}"
259 487
488 # keep track of it
489 KERNEL_MAKEFILE="${KV_DIR}/Makefile"
490
491 # Decide the function used to extract makefile variables.
492 mkfunc="$(get_makefile_extract_function "${KERNEL_MAKEFILE}")"
493
260 # And if we didn't pass it, we can take a nosey in the Makefile 494 # And if we didn't pass it, we can take a nosey in the Makefile
261 kbuild_output="$(getfilevar KBUILD_OUTPUT ${KV_DIR}/Makefile)" 495 kbuild_output="$(${mkfunc} KBUILD_OUTPUT ${KERNEL_MAKEFILE})"
262 OUTPUT_DIR="${OUTPUT_DIR:-${kbuild_output}}" 496 OUTPUT_DIR="${OUTPUT_DIR:-${kbuild_output}}"
263 497
264 # And contrary to existing functions I feel we shouldn't trust the 498 # And contrary to existing functions I feel we shouldn't trust the
265 # directory name to find version information as this seems insane. 499 # directory name to find version information as this seems insane.
266 # so we parse ${KV_DIR}/Makefile 500 # so we parse ${KERNEL_MAKEFILE}
267 KV_MAJOR="$(getfilevar VERSION ${KV_DIR}/Makefile)" 501 KV_MAJOR="$(${mkfunc} VERSION ${KERNEL_MAKEFILE})"
268 KV_MINOR="$(getfilevar PATCHLEVEL ${KV_DIR}/Makefile)" 502 KV_MINOR="$(${mkfunc} PATCHLEVEL ${KERNEL_MAKEFILE})"
269 KV_PATCH="$(getfilevar SUBLEVEL ${KV_DIR}/Makefile)" 503 KV_PATCH="$(${mkfunc} SUBLEVEL ${KERNEL_MAKEFILE})"
270 KV_EXTRA="$(getfilevar EXTRAVERSION ${KV_DIR}/Makefile)" 504 KV_EXTRA="$(${mkfunc} EXTRAVERSION ${KERNEL_MAKEFILE})"
271 505
272 if [ -z "${KV_MAJOR}" -o -z "${KV_MINOR}" -o -z "${KV_PATCH}" ] 506 if [ -z "${KV_MAJOR}" -o -z "${KV_MINOR}" -o -z "${KV_PATCH}" ]
273 then 507 then
508 if [ -z "${get_version_warning_done}" ]; then
509 get_version_warning_done=1
274 qeerror "Could not detect kernel version." 510 qeerror "Could not detect kernel version."
275 qeerror "Please ensure that ${KERNEL_DIR} points to a complete set of Linux sources." 511 qeerror "Please ensure that ${KERNEL_DIR} points to a complete set of Linux sources."
512 fi
276 return 1 513 return 1
277 fi 514 fi
278 515
279 # and in newer versions we can also pull LOCALVERSION if it is set. 516 # and in newer versions we can also pull LOCALVERSION if it is set.
280 # but before we do this, we need to find if we use a different object directory. 517 # but before we do this, we need to find if we use a different object directory.
281 # This *WILL* break if the user is using localversions, but we assume it was 518 # This *WILL* break if the user is using localversions, but we assume it was
282 # caught before this if they are. 519 # caught before this if they are.
283 [ "${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}.${KV_EXTRA}" == "$(uname -r)" ] && \
284 OUTPUT_DIR="${OUTPUT_DIR:-/lib/modules/${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}.${KV_EXTRA}/build}" 520 OUTPUT_DIR="${OUTPUT_DIR:-/lib/modules/${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}${KV_EXTRA}/build}"
285 521
286 [ -h "${OUTPUT_DIR}" ] && KV_OUT_DIR="$(readlink -f ${OUTPUT_DIR})" 522 [ -h "${OUTPUT_DIR}" ] && KV_OUT_DIR="$(readlink -f ${OUTPUT_DIR})"
287 [ -d "${OUTPUT_DIR}" ] && KV_OUT_DIR="${OUTPUT_DIR}" 523 [ -d "${OUTPUT_DIR}" ] && KV_OUT_DIR="${OUTPUT_DIR}"
288 if [ -n "${KV_OUT_DIR}" ]; 524 if [ -n "${KV_OUT_DIR}" ];
289 then 525 then
290 qeinfo "Found kernel object directory:" 526 qeinfo "Found kernel object directory:"
291 qeinfo " ${KV_OUT_DIR}" 527 qeinfo " ${KV_OUT_DIR}"
292
293 KV_LOCAL="$(get_localversion ${KV_OUT_DIR})"
294 fi 528 fi
295 # and if we STILL haven't got it, then we better just set it to KV_DIR 529 # and if we STILL have not got it, then we better just set it to KV_DIR
296 KV_OUT_DIR="${KV_OUT_DIR:-${KV_DIR}}" 530 KV_OUT_DIR="${KV_OUT_DIR:-${KV_DIR}}"
297 531
298 KV_LOCAL="${KV_LOCAL}$(get_localversion ${KV_DIR})" 532 # Grab the kernel release from the output directory.
299 KV_LOCAL="${KV_LOCAL}$(linux_chkconfig_string LOCALVERSION)" 533 # TODO: we MUST detect kernel.release being out of date, and 'return 1' from
300 KV_LOCAL="${KV_LOCAL//\"/}" 534 # this function.
535 if [ -s "${KV_OUT_DIR}"/include/config/kernel.release ]; then
536 KV_LOCAL=$(<"${KV_OUT_DIR}"/include/config/kernel.release)
537 elif [ -s "${KV_OUT_DIR}"/.kernelrelease ]; then
538 KV_LOCAL=$(<"${KV_OUT_DIR}"/.kernelrelease)
539 else
540 KV_LOCAL=
541 fi
542
543 # KV_LOCAL currently contains the full release; discard the first bits.
544 tmplocal=${KV_LOCAL#${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}${KV_EXTRA}}
545
546 # If the updated local version was not changed, the tree is not prepared.
547 # Clear out KV_LOCAL in that case.
548 # TODO: this does not detect a change in the localversion part between
549 # kernel.release and the value that would be generated.
550 if [ "$KV_LOCAL" = "$tmplocal" ]; then
551 KV_LOCAL=
552 else
553 KV_LOCAL=$tmplocal
554 fi
301 555
302 # And we should set KV_FULL to the full expanded version 556 # And we should set KV_FULL to the full expanded version
303 KV_FULL="${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}${KV_EXTRA}${KV_LOCAL}" 557 KV_FULL="${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}${KV_EXTRA}${KV_LOCAL}"
304 558
305 qeinfo "Found sources for kernel version:" 559 qeinfo "Found sources for kernel version:"
306 qeinfo " ${KV_FULL}" 560 qeinfo " ${KV_FULL}"
307 561
308 if [ ! -s "${KV_OUT_DIR}/.config" ]
309 then
310 qeerror "Could not find a usable .config in the kernel source directory."
311 qeerror "Please ensure that ${KERNEL_DIR} points to a configured set of Linux sources."
312 qeerror "If you are using KBUILD_OUTPUT, please set the environment var so that"
313 qeerror "it points to the necessary object directory so that it might find .config."
314 return 1
315 fi
316
317 return 0 562 return 0
318} 563}
319 564
565# @FUNCTION: get_running_version
566# @DESCRIPTION:
567# It gets the version of the current running kernel and the result is the same as get_version() if the
568# function can find the sources.
320get_running_version() { 569get_running_version() {
321 KV_FULL=$(uname -r) 570 KV_FULL=$(uname -r)
322 571
572 if [[ -f ${ROOT}/lib/modules/${KV_FULL}/source/Makefile && -f ${ROOT}/lib/modules/${KV_FULL}/build/Makefile ]]; then
573 KERNEL_DIR=$(readlink -f ${ROOT}/lib/modules/${KV_FULL}/source)
574 KBUILD_OUTPUT=$(readlink -f ${ROOT}/lib/modules/${KV_FULL}/build)
575 unset KV_FULL
576 get_version
577 return $?
323 if [[ -f ${ROOT}/lib/modules/${KV_FULL}/source/Makefile ]]; then 578 elif [[ -f ${ROOT}/lib/modules/${KV_FULL}/source/Makefile ]]; then
324 KERNEL_DIR=$(readlink -f ${ROOT}/lib/modules/${KV_FULL}/source) 579 KERNEL_DIR=$(readlink -f ${ROOT}/lib/modules/${KV_FULL}/source)
325 unset KV_FULL 580 unset KV_FULL
326 get_version 581 get_version
327 return $? 582 return $?
328 elif [[ -f ${ROOT}/lib/modules/${KV_FULL}/build/Makefile ]]; then 583 elif [[ -f ${ROOT}/lib/modules/${KV_FULL}/build/Makefile ]]; then
331 get_version 586 get_version
332 return $? 587 return $?
333 else 588 else
334 KV_MAJOR=$(get_version_component_range 1 ${KV_FULL}) 589 KV_MAJOR=$(get_version_component_range 1 ${KV_FULL})
335 KV_MINOR=$(get_version_component_range 2 ${KV_FULL}) 590 KV_MINOR=$(get_version_component_range 2 ${KV_FULL})
336 KV_PATCH=$(get_version_component_range 3- ${KV_FULL}) 591 KV_PATCH=$(get_version_component_range 3 ${KV_FULL})
337 KV_PATCH=${KV_PATCH//-*} 592 KV_PATCH=${KV_PATCH//-*}
338 [[ -n ${KV_FULL#*-} ]] && [[ -n ${KV_FULL//${KV_FULL#*-}} ]] \ 593 KV_EXTRA="${KV_FULL#${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}}"
339 && KV_EXTRA="-${KV_FULL#*-}"
340 fi 594 fi
341 return 0 595 return 0
596}
597
598# This next function is named with the eclass prefix to avoid conflicts with
599# some old versionator-like eclass functions.
600
601# @FUNCTION: linux-info_get_any_version
602# @DESCRIPTION:
603# This attempts to find the version of the sources, and otherwise falls back to
604# the version of the running kernel.
605linux-info_get_any_version() {
606 get_version
607 if [[ $? -ne 0 ]]; then
608 ewarn "Unable to calculate Linux Kernel version for build, attempting to use running version"
609 get_running_version
610 fi
342} 611}
343 612
344 613
345# ebuild check functions 614# ebuild check functions
346# --------------------------------------- 615# ---------------------------------------
347 616
617# @FUNCTION: check_kernel_built
618# @DESCRIPTION:
619# This function verifies that the current kernel sources have been already prepared otherwise it dies.
348check_kernel_built() { 620check_kernel_built() {
349 # if we haven't determined the version yet, we need too. 621 # if we haven't determined the version yet, we need to
622 require_configured_kernel
350 get_version; 623 get_version
351 624
625 local versionh_path
626 if kernel_is -ge 3 7; then
627 versionh_path="include/generated/uapi/linux/version.h"
628 else
629 versionh_path="include/linux/version.h"
630 fi
631
352 if [ ! -f "${KV_OUT_DIR}/include/linux/version.h" ] 632 if [ ! -f "${KV_OUT_DIR}/${versionh_path}" ]
353 then 633 then
354 eerror "These sources have not yet been prepared." 634 eerror "These sources have not yet been prepared."
355 eerror "We cannot build against an unprepared tree." 635 eerror "We cannot build against an unprepared tree."
356 eerror "To resolve this, please type the following:" 636 eerror "To resolve this, please type the following:"
357 eerror 637 eerror
362 eerror "Then please try merging this module again." 642 eerror "Then please try merging this module again."
363 die "Kernel sources need compiling first" 643 die "Kernel sources need compiling first"
364 fi 644 fi
365} 645}
366 646
647# @FUNCTION: check_modules_supported
648# @DESCRIPTION:
649# This function verifies that the current kernel support modules (it checks CONFIG_MODULES=y) otherwise it dies.
367check_modules_supported() { 650check_modules_supported() {
368 # if we haven't determined the version yet, we need too. 651 # if we haven't determined the version yet, we need too.
652 require_configured_kernel
369 get_version; 653 get_version
370 654
371 if ! linux_chkconfig_builtin "MODULES" 655 if ! linux_chkconfig_builtin "MODULES"; then
372 then
373 eerror "These sources do not support loading external modules." 656 eerror "These sources do not support loading external modules."
374 eerror "to be able to use this module please enable \"Loadable modules support\"" 657 eerror "to be able to use this module please enable \"Loadable modules support\""
375 eerror "in your kernel, recompile and then try merging this module again." 658 eerror "in your kernel, recompile and then try merging this module again."
376 die "No support for external modules in ${KV_FULL} config" 659 die "No support for external modules in ${KV_FULL} config"
377 fi 660 fi
378} 661}
379 662
663# @FUNCTION: check_extra_config
664# @DESCRIPTION:
665# It checks the kernel config options specified by CONFIG_CHECK. It dies only when a required config option (i.e.
666# the prefix ~ is not used) doesn't satisfy the directive.
380check_extra_config() { 667check_extra_config() {
381 local config negate error local_error i n
382 local temp_config die reworkmodulenames 668 local config negate die error reworkmodulenames
669 local soft_errors_count=0 hard_errors_count=0 config_required=0
670 # store the value of the QA check, because otherwise we won't catch usages
671 # after if check_extra_config is called AND other direct calls are done
672 # later.
673 local old_LINUX_CONFIG_EXISTS_DONE="${_LINUX_CONFIG_EXISTS_DONE}"
383 674
384 # if we haven't determined the version yet, we need too. 675 # if we haven't determined the version yet, we need to
385 get_version; 676 linux-info_get_any_version
386 677
678 # Determine if we really need a .config. The only time when we don't need
679 # one is when all of the CONFIG_CHECK options are prefixed with "~".
680 for config in ${CONFIG_CHECK}; do
681 if [[ "${config:0:1}" != "~" ]]; then
682 config_required=1
683 break
684 fi
685 done
686
687 if [[ ${config_required} == 0 ]]; then
688 # In the case where we don't require a .config, we can now bail out
689 # if the user has no .config as there is nothing to do. Otherwise
690 # code later will cause a failure due to missing .config.
691 if ! linux_config_exists; then
692 ewarn "Unable to check for the following kernel config options due"
693 ewarn "to absence of any configured kernel sources or compiled"
694 ewarn "config:"
695 for config in ${CONFIG_CHECK}; do
696 local_error="ERROR_${config#\~}"
697 msg="${!local_error}"
698 if [[ "x${msg}" == "x" ]]; then
699 local_error="WARNING_${config#\~}"
700 msg="${!local_error}"
701 fi
702 ewarn " - ${config#\~}${msg:+ - }${msg}"
703 done
704 ewarn "You're on your own to make sure they are set if needed."
705 export LINUX_CONFIG_EXISTS_DONE="${old_LINUX_CONFIG_EXISTS_DONE}"
706 return 0
707 fi
708 else
709 require_configured_kernel
710 fi
711
387 einfo "Checking for suitable kernel configuration options:" 712 einfo "Checking for suitable kernel configuration options..."
713
388 for config in ${CONFIG_CHECK} 714 for config in ${CONFIG_CHECK}
389 do 715 do
390 # if we specify any fatal, ensure we honor them 716 # if we specify any fatal, ensure we honor them
391 die=1 717 die=1
392 error=0 718 error=0
393 negate=0 719 negate=0
394 reworkmodulenames=0 720 reworkmodulenames=0
395 721
396 if [[ -z ${config//\!*} ]]; then 722 if [[ ${config:0:1} == "~" ]]; then
397 negate=1 723 die=0
398 config=${config:1} 724 config=${config:1}
399 fi 725 elif [[ ${config:0:1} == "@" ]]; then
400 if [[ -z ${config/\@*} ]]; then
401 die=2 726 die=0
402 reworkmodulenames=1 727 reworkmodulenames=1
403 config=${config:1} 728 config=${config:1}
404 fi 729 fi
405 if [[ -z ${config/\~*} ]]; then 730 if [[ ${config:0:1} == "!" ]]; then
406 die=0 731 negate=1
407 config=${config:1} 732 config=${config:1}
408 fi 733 fi
409 734
410 if [[ ${negate} == 1 ]]; then 735 if [[ ${negate} == 1 ]]; then
411 linux_chkconfig_present ${config} && error=2 736 linux_chkconfig_present ${config} && error=2
412 elif [[ ${reworkmodulenames} == 1 ]]; then 737 elif [[ ${reworkmodulenames} == 1 ]]; then
413 temp_config="${config//*:}" 738 local temp_config="${config//*:}" i n
414 config="${config//:*}" 739 config="${config//:*}"
415 if linux_chkconfig_present ${config}; then 740 if linux_chkconfig_present ${config}; then
416 for i in ${MODULE_NAMES}; do 741 for i in ${MODULE_NAMES}; do
417 n="${i//${temp_config}}" 742 n="${i//${temp_config}}"
418 [[ -z ${n//\(*} ]] && \ 743 [[ -z ${n//\(*} ]] && \
422 fi 747 fi
423 else 748 else
424 linux_chkconfig_present ${config} || error=1 749 linux_chkconfig_present ${config} || error=1
425 fi 750 fi
426 751
427 if [[ ${die} == 0 ]]; then
428 ebegin "CONFIG_${config}"
429 eend ${error}
430 else
431 if [[ ${error} > 0 ]]; then 752 if [[ ${error} > 0 ]]; then
753 local report_func="eerror" local_error
432 local_error="ERROR_${config}" 754 local_error="ERROR_${config}"
755 local_error="${!local_error}"
756
757 if [[ -z "${local_error}" ]]; then
758 # using old, deprecated format.
759 local_error="${config}_ERROR"
433 local_error="${!local_error}" 760 local_error="${!local_error}"
434 761 fi
435 if [[ -z "${local_error}" ]]; then 762 if [[ ${die} == 0 && -z "${local_error}" ]]; then
436 # using old, deprecated format. 763 #soft errors can be warnings
437 local_error="${config}_ERROR" 764 local_error="WARNING_${config}"
438 local_error="${!local_error}" 765 local_error="${!local_error}"
766 if [[ -n "${local_error}" ]] ; then
767 report_func="ewarn"
439 fi 768 fi
440
441 if [[ -z "${local_error}" ]]; then
442 [[ ${error} == 1 ]] \
443 && local_error="is not set when it should be." \
444 || local_error="should not be set. But it is."
445 local_error="CONFIG_${config}:\t ${local_error}"
446 fi
447 eerror " ${local_error}"
448 fi 769 fi
770
771 if [[ -z "${local_error}" ]]; then
772 [[ ${error} == 1 ]] \
773 && local_error="is not set when it should be." \
774 || local_error="should not be set. But it is."
775 local_error="CONFIG_${config}:\t ${local_error}"
776 fi
777 if [[ ${die} == 0 ]]; then
778 ${report_func} " ${local_error}"
779 soft_errors_count=$[soft_errors_count + 1]
780 else
781 ${report_func} " ${local_error}"
782 hard_errors_count=$[hard_errors_count + 1]
783 fi
449 fi 784 fi
450 done 785 done
451 786
452 if [[ ${error} > 0 ]]; then 787 if [[ ${hard_errors_count} > 0 ]]; then
453 eerror "Please check to make sure these options are set correctly." 788 eerror "Please check to make sure these options are set correctly."
454 eerror "Failure to do so may cause unexpected problems." 789 eerror "Failure to do so may cause unexpected problems."
455 if [[ ${die} == 1 ]]; then
456 eerror "Once you have satisfied these options, please try merging" 790 eerror "Once you have satisfied these options, please try merging"
457 eerror "this package again." 791 eerror "this package again."
792 export LINUX_CONFIG_EXISTS_DONE="${old_LINUX_CONFIG_EXISTS_DONE}"
458 die "Incorrect kernel configuration options" 793 die "Incorrect kernel configuration options"
794 elif [[ ${soft_errors_count} > 0 ]]; then
795 ewarn "Please check to make sure these options are set correctly."
796 ewarn "Failure to do so may cause unexpected problems."
797 else
798 eend 0
459 fi 799 fi
460 fi 800 export LINUX_CONFIG_EXISTS_DONE="${old_LINUX_CONFIG_EXISTS_DONE}"
461} 801}
462 802
463check_zlibinflate() { 803check_zlibinflate() {
464 # if we haven't determined the version yet, we need too. 804 # if we haven't determined the version yet, we need to
805 require_configured_kernel
465 get_version; 806 get_version
466 807
467 # although I restructured this code - I really really really dont support it! 808 # although I restructured this code - I really really really dont support it!
468 809
469 # bug #27882 - zlib routines are only linked into the kernel 810 # bug #27882 - zlib routines are only linked into the kernel
470 # if something compiled into the kernel calls them 811 # if something compiled into the kernel calls them
477 local DEFLATE 818 local DEFLATE
478 819
479 einfo "Determining the usability of ZLIB_INFLATE support in your kernel" 820 einfo "Determining the usability of ZLIB_INFLATE support in your kernel"
480 821
481 ebegin "checking ZLIB_INFLATE" 822 ebegin "checking ZLIB_INFLATE"
482 getfilevar_isbuiltin CONFIG_ZLIB_INFLATE ${KV_DIR}/.config 823 linux_chkconfig_builtin CONFIG_ZLIB_INFLATE
483 eend $? 824 eend $?
484 [ "$?" != 0 ] && die 825 [ "$?" != 0 ] && die
485 826
486 ebegin "checking ZLIB_DEFLATE" 827 ebegin "checking ZLIB_DEFLATE"
487 getfilevar_isbuiltin CONFIG_ZLIB_DEFLATE ${KV_DIR}/.config 828 linux_chkconfig_builtin CONFIG_ZLIB_DEFLATE
488 eend $? 829 eend $?
489 [ "$?" != 0 ] && die 830 [ "$?" != 0 ] && die
490 831
491 local LINENO_START 832 local LINENO_START
492 local LINENO_END 833 local LINENO_END
530} 871}
531 872
532################################ 873################################
533# Default pkg_setup 874# Default pkg_setup
534# Also used when inheriting linux-mod to force a get_version call 875# Also used when inheriting linux-mod to force a get_version call
535 876# @FUNCTION: linux-info_pkg_setup
877# @DESCRIPTION:
878# Force a get_version() call when inherited from linux-mod.eclass and then check if the kernel is configured
879# to support the options specified in CONFIG_CHECK (if not null)
536linux-info_pkg_setup() { 880linux-info_pkg_setup() {
537 get_version || die "Unable to calculate Linux Kernel version" 881 linux-info_get_any_version
882
883 if kernel_is 2 4; then
884 if [ "$( gcc-major-version )" -eq "4" ] ; then
885 echo
886 ewarn "Be warned !! >=sys-devel/gcc-4.0.0 isn't supported with"
887 ewarn "linux-2.4 (or modules building against a linux-2.4 kernel)!"
888 echo
889 ewarn "Either switch to another gcc-version (via gcc-config) or use a"
890 ewarn "newer kernel that supports gcc-4."
891 echo
892 ewarn "Also be aware that bugreports about gcc-4 not working"
893 ewarn "with linux-2.4 based ebuilds will be closed as INVALID!"
894 echo
895 epause 10
896 fi
897 fi
898
538 [ -n "${CONFIG_CHECK}" ] && check_extra_config; 899 [ -n "${CONFIG_CHECK}" ] && check_extra_config;
539} 900}

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