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1# Copyright 1999-2006 Gentoo Foundation 1# Copyright 1999-2014 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 1.42 2006/03/03 22:11:28 johnm Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/linux-info.eclass,v 1.103 2014/03/21 22:03:00 robbat2 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
57DEPEND="kernel_linux? ( virtual/linux-sources )"
58RDEPEND=""
59 113
60# Overwritable environment Var's 114# Overwritable environment Var's
61# --------------------------------------- 115# ---------------------------------------
62KERNEL_DIR="${KERNEL_DIR:-${ROOT}usr/src/linux}" 116KERNEL_DIR="${KERNEL_DIR:-${ROOT}usr/src/linux}"
63 117
67case ${ARCH} in 121case ${ARCH} in
68 ppc) BUILD_FIXES="${BUILD_FIXES} TOUT=${T}/.tmp_gas_check";; 122 ppc) BUILD_FIXES="${BUILD_FIXES} TOUT=${T}/.tmp_gas_check";;
69 ppc64) BUILD_FIXES="${BUILD_FIXES} TOUT=${T}/.tmp_gas_check";; 123 ppc64) BUILD_FIXES="${BUILD_FIXES} TOUT=${T}/.tmp_gas_check";;
70esac 124esac
71 125
72# These are legacy wrappers for toolchain-funcs. 126# @FUNCTION: set_arch_to_kernel
73# I dont like them here, but oh well. 127# @DESCRIPTION:
128# Set the env ARCH to match what the kernel expects.
74set_arch_to_kernel() { export ARCH="$(tc-arch-kernel)"; } 129set_arch_to_kernel() { export ARCH=$(tc-arch-kernel); }
130# @FUNCTION: set_arch_to_portage
131# @DESCRIPTION:
132# Set the env ARCH to match what portage expects.
75set_arch_to_portage() { export ARCH="$(tc-arch)"; } 133set_arch_to_portage() { export ARCH=$(tc-arch); }
76 134
77# qeinfo "Message" 135# qeinfo "Message"
78# ------------------- 136# -------------------
79# qeinfo is a quiet einfo call when EBUILD_PHASE 137# qeinfo is a quiet einfo call when EBUILD_PHASE
80# should not have visible output. 138# should not have visible output.
90 esac 148 esac
91 [ -n "${outputmsg}" ] && ${type} "${outputmsg}" 149 [ -n "${outputmsg}" ] && ${type} "${outputmsg}"
92} 150}
93 151
94qeinfo() { qout einfo "${@}" ; } 152qeinfo() { qout einfo "${@}" ; }
153qewarn() { qout ewarn "${@}" ; }
95qeerror() { qout eerror "${@}" ; } 154qeerror() { qout eerror "${@}" ; }
96 155
97# File Functions 156# File Functions
98# --------------------------------------- 157# ---------------------------------------
99 158
100# getfilevar accepts 2 vars as follows: 159# @FUNCTION: getfilevar
101# getfilevar <VARIABLE> <CONFIGFILE> 160# @USAGE: variable configfile
102 161# @RETURN: the value of the variable
162# @DESCRIPTION:
163# It detects the value of the variable defined in the file configfile. This is
164# done by including the configfile, and printing the variable with Make.
165# It WILL break if your makefile has missing dependencies!
103getfilevar() { 166getfilevar() {
104local ERROR workingdir basefname basedname myARCH="${ARCH}" 167 local ERROR basefname basedname myARCH="${ARCH}"
105 ERROR=0 168 ERROR=0
106 169
107 [ -z "${1}" ] && ERROR=1 170 [ -z "${1}" ] && ERROR=1
108 [ ! -f "${2}" ] && ERROR=1 171 [ ! -f "${2}" ] && ERROR=1
109 172
111 then 174 then
112 echo -e "\n" 175 echo -e "\n"
113 eerror "getfilevar requires 2 variables, with the second a valid file." 176 eerror "getfilevar requires 2 variables, with the second a valid file."
114 eerror " getfilevar <VARIABLE> <CONFIGFILE>" 177 eerror " getfilevar <VARIABLE> <CONFIGFILE>"
115 else 178 else
116 workingdir="${PWD}"
117 basefname="$(basename ${2})" 179 basefname="$(basename ${2})"
118 basedname="$(dirname ${2})" 180 basedname="$(dirname ${2})"
119 unset ARCH 181 unset ARCH
120 182
121 cd "${basedname}" 183 # We use nonfatal because we want the caller to take care of things #373151
184 [[ ${EAPI:-0} == [0123] ]] && nonfatal() { "$@"; }
122 echo -e "e:\\n\\t@echo \$(${1})\\ninclude ${basefname}" | \ 185 echo -e "e:\\n\\t@echo \$(${1})\\ninclude ${basefname}" | \
123 make ${BUILD_FIXES} -s -f - 2>/dev/null 186 nonfatal emake -C "${basedname}" M="${S}" ${BUILD_FIXES} -s -f - 2>/dev/null
124 cd "${workingdir}"
125 187
126 ARCH=${myARCH} 188 ARCH=${myARCH}
127 fi 189 fi
128} 190}
129 191
192# @FUNCTION: getfilevar_noexec
193# @USAGE: variable configfile
194# @RETURN: the value of the variable
195# @DESCRIPTION:
196# It detects the value of the variable defined in the file configfile.
197# This is done with sed matching an expression only. If the variable is defined,
198# you will run into problems. See getfilevar for those cases.
199getfilevar_noexec() {
200 local ERROR basefname basedname mycat myARCH="${ARCH}"
201 ERROR=0
202 mycat='cat'
203
204 [ -z "${1}" ] && ERROR=1
205 [ ! -f "${2}" ] && ERROR=1
206 [ "${2%.gz}" != "${2}" ] && mycat='zcat'
207
208 if [ "${ERROR}" = 1 ]
209 then
210 echo -e "\n"
211 eerror "getfilevar_noexec requires 2 variables, with the second a valid file."
212 eerror " getfilevar_noexec <VARIABLE> <CONFIGFILE>"
213 else
214 ${mycat} "${2}" | \
215 sed -n \
216 -e "/^[[:space:]]*${1}[[:space:]]*:\\?=[[:space:]]*\(.*\)\$/{
217 s,^[^=]*[[:space:]]*=[[:space:]]*,,g ;
218 s,[[:space:]]*\$,,g ;
219 p
220 }"
221 fi
222}
223
224# @ECLASS-VARIABLE: _LINUX_CONFIG_EXISTS_DONE
225# @INTERNAL
226# @DESCRIPTION:
227# This is only set if one of the linux_config_*exists functions has been called.
228# We use it for a QA warning that the check for a config has not been performed,
229# as linux_chkconfig* in non-legacy mode WILL return an undefined value if no
230# config is available at all.
231_LINUX_CONFIG_EXISTS_DONE=
232
233linux_config_qa_check() {
234 local f="$1"
235 if [ -z "${_LINUX_CONFIG_EXISTS_DONE}" ]; then
236 ewarn "QA: You called $f before any linux_config_exists!"
237 ewarn "QA: The return value of $f will NOT guaranteed later!"
238 fi
239}
240
241# @FUNCTION: linux_config_src_exists
242# @RETURN: true or false
243# @DESCRIPTION:
244# It returns true if .config exists in a build directory otherwise false
245linux_config_src_exists() {
246 export _LINUX_CONFIG_EXISTS_DONE=1
247 [[ -n ${KV_OUT_DIR} && -s ${KV_OUT_DIR}/.config ]]
248}
249
250# @FUNCTION: linux_config_bin_exists
251# @RETURN: true or false
252# @DESCRIPTION:
253# It returns true if .config exists in /proc, otherwise false
254linux_config_bin_exists() {
255 export _LINUX_CONFIG_EXISTS_DONE=1
256 [[ -s /proc/config.gz ]]
257}
258
259# @FUNCTION: linux_config_exists
260# @RETURN: true or false
261# @DESCRIPTION:
262# It returns true if .config exists otherwise false
263#
264# This function MUST be checked before using any of the linux_chkconfig_*
265# functions.
266linux_config_exists() {
267 linux_config_src_exists || linux_config_bin_exists
268}
269
270# @FUNCTION: linux_config_path
271# @DESCRIPTION:
272# Echo the name of the config file to use. If none are found,
273# then return false.
274linux_config_path() {
275 if linux_config_src_exists; then
276 echo "${KV_OUT_DIR}/.config"
277 elif linux_config_bin_exists; then
278 echo "/proc/config.gz"
279 else
280 return 1
281 fi
282}
283
284# @FUNCTION: require_configured_kernel
285# @DESCRIPTION:
286# This function verifies that the current kernel is configured (it checks against the existence of .config)
287# otherwise it dies.
288require_configured_kernel() {
289 if ! linux_config_src_exists; then
290 qeerror "Could not find a usable .config in the kernel source directory."
291 qeerror "Please ensure that ${KERNEL_DIR} points to a configured set of Linux sources."
292 qeerror "If you are using KBUILD_OUTPUT, please set the environment var so that"
293 qeerror "it points to the necessary object directory so that it might find .config."
294 die "Kernel not configured; no .config found in ${KV_OUT_DIR}"
295 fi
296}
297
298# @FUNCTION: linux_chkconfig_present
299# @USAGE: option
300# @RETURN: true or false
301# @DESCRIPTION:
302# It checks that CONFIG_<option>=y or CONFIG_<option>=m is present in the current kernel .config
303# If linux_config_exists returns false, the results of this are UNDEFINED. You
304# MUST call linux_config_exists first.
130linux_chkconfig_present() { 305linux_chkconfig_present() {
131local RESULT 306 linux_config_qa_check linux_chkconfig_present
132 RESULT="$(getfilevar CONFIG_${1} ${KV_OUT_DIR}/.config)" 307 [[ $(getfilevar_noexec "CONFIG_$1" "$(linux_config_path)") == [my] ]]
133 [ "${RESULT}" = "m" -o "${RESULT}" = "y" ] && return 0 || return 1
134} 308}
135 309
310# @FUNCTION: linux_chkconfig_module
311# @USAGE: option
312# @RETURN: true or false
313# @DESCRIPTION:
314# It checks that CONFIG_<option>=m is present in the current kernel .config
315# If linux_config_exists returns false, the results of this are UNDEFINED. You
316# MUST call linux_config_exists first.
136linux_chkconfig_module() { 317linux_chkconfig_module() {
137local RESULT 318 linux_config_qa_check linux_chkconfig_module
138 RESULT="$(getfilevar CONFIG_${1} ${KV_OUT_DIR}/.config)" 319 [[ $(getfilevar_noexec "CONFIG_$1" "$(linux_config_path)") == m ]]
139 [ "${RESULT}" = "m" ] && return 0 || return 1
140} 320}
141 321
322# @FUNCTION: linux_chkconfig_builtin
323# @USAGE: option
324# @RETURN: true or false
325# @DESCRIPTION:
326# It checks that CONFIG_<option>=y is present in the current kernel .config
327# If linux_config_exists returns false, the results of this are UNDEFINED. You
328# MUST call linux_config_exists first.
142linux_chkconfig_builtin() { 329linux_chkconfig_builtin() {
143local RESULT 330 linux_config_qa_check linux_chkconfig_builtin
144 RESULT="$(getfilevar CONFIG_${1} ${KV_OUT_DIR}/.config)" 331 [[ $(getfilevar_noexec "CONFIG_$1" "$(linux_config_path)") == y ]]
145 [ "${RESULT}" = "y" ] && return 0 || return 1
146} 332}
147 333
334# @FUNCTION: linux_chkconfig_string
335# @USAGE: option
336# @RETURN: CONFIG_<option>
337# @DESCRIPTION:
338# It prints the CONFIG_<option> value of the current kernel .config (it requires a configured kernel).
339# If linux_config_exists returns false, the results of this are UNDEFINED. You
340# MUST call linux_config_exists first.
148linux_chkconfig_string() { 341linux_chkconfig_string() {
149 getfilevar "CONFIG_${1}" "${KV_OUT_DIR}/.config" 342 linux_config_qa_check linux_chkconfig_string
343 getfilevar_noexec "CONFIG_$1" "$(linux_config_path)"
150} 344}
151 345
152# Versioning Functions 346# Versioning Functions
153# --------------------------------------- 347# ---------------------------------------
154 348
155# kernel_is returns true when the version is the same as the passed version 349# @FUNCTION: kernel_is
350# @USAGE: [-lt -gt -le -ge -eq] major_number [minor_number patch_number]
351# @RETURN: true or false
352# @DESCRIPTION:
353# It returns true when the current kernel version satisfies the comparison against the passed version.
354# -eq is the default comparison.
156# 355#
356# @CODE
157# For Example where KV = 2.6.9 357# For Example where KV = 2.6.9
158# kernel_is 2 4 returns false 358# kernel_is 2 4 returns false
159# kernel_is 2 returns true 359# kernel_is 2 returns true
160# kernel_is 2 6 returns true 360# kernel_is 2 6 returns true
161# kernel_is 2 6 8 returns false 361# kernel_is 2 6 8 returns false
162# kernel_is 2 6 9 returns true 362# kernel_is 2 6 9 returns true
163# 363# @CODE
164# got the jist yet?
165 364
365# Note: duplicated in kernel-2.eclass
166kernel_is() { 366kernel_is() {
167 # if we haven't determined the version yet, we need too. 367 # if we haven't determined the version yet, we need to.
168 get_version; 368 linux-info_get_any_version
369
370 # Now we can continue
169 local operator test value x=0 y=0 z=0 371 local operator test value
170 372
171 case ${1} in 373 case ${1#-} in
172 lt) operator="-lt"; shift;; 374 lt) operator="-lt"; shift;;
173 gt) operator="-gt"; shift;; 375 gt) operator="-gt"; shift;;
174 le) operator="-le"; shift;; 376 le) operator="-le"; shift;;
175 ge) operator="-ge"; shift;; 377 ge) operator="-ge"; shift;;
176 eq) operator="-eq"; shift;; 378 eq) operator="-eq"; shift;;
177 *) operator="-eq";; 379 *) operator="-eq";;
178 esac 380 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.";; 381 [[ $# -gt 3 ]] && die "Error in kernel-2_kernel_is(): too many parameters"
193 esac
194 done
195 382
196 [ ${test} ${operator} ${value} ] && return 0 || return 1 383 : $(( test = (KV_MAJOR << 16) + (KV_MINOR << 8) + KV_PATCH ))
384 : $(( value = (${1:-${KV_MAJOR}} << 16) + (${2:-${KV_MINOR}} << 8) + ${3:-${KV_PATCH}} ))
385 [ ${test} ${operator} ${value} ]
197} 386}
198 387
199get_localversion() { 388get_localversion() {
200 local lv_list i x 389 local lv_list i x
201 390
209 done 398 done
210 x=${x/ /} 399 x=${x/ /}
211 echo ${x} 400 echo ${x}
212} 401}
213 402
403# Check if the Makefile is valid for direct parsing.
404# Check status results:
405# - PASS, use 'getfilevar' to extract values
406# - FAIL, use 'getfilevar_noexec' to extract values
407# The check may fail if:
408# - make is not present
409# - corruption exists in the kernel makefile
410get_makefile_extract_function() {
411 local a='' b='' mkfunc='getfilevar'
412 a="$(getfilevar VERSION ${KERNEL_MAKEFILE})"
413 b="$(getfilevar_noexec VERSION ${KERNEL_MAKEFILE})"
414 [[ "${a}" != "${b}" ]] && mkfunc='getfilevar_noexec'
415 echo "${mkfunc}"
416}
417
418# internal variable, so we know to only print the warning once
419get_version_warning_done=
420
421# @FUNCTION: get_version
422# @DESCRIPTION:
423# It gets the version of the kernel inside KERNEL_DIR and populates the KV_FULL variable
424# (if KV_FULL is already set it does nothing).
425#
426# The kernel version variables (KV_MAJOR, KV_MINOR, KV_PATCH, KV_EXTRA and KV_LOCAL) are also set.
427#
428# The KV_DIR is set using the KERNEL_DIR env var, the KV_DIR_OUT is set using a valid
429# KBUILD_OUTPUT (in a decreasing priority list, we look for the env var, makefile var or the
430# symlink /lib/modules/${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}${KV_EXTRA}/build).
214get_version() { 431get_version() {
215 local kbuild_output 432 local tmplocal
216 433
217 # no need to execute this twice assuming KV_FULL is populated. 434 # no need to execute this twice assuming KV_FULL is populated.
218 # we can force by unsetting KV_FULL 435 # we can force by unsetting KV_FULL
219 [ -n "${KV_FULL}" ] && return 0 436 [ -n "${KV_FULL}" ] && return 0
220 437
221 # if we dont know KV_FULL, then we need too. 438 # 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 439 # make sure KV_DIR isnt set since we need to work it out via KERNEL_DIR
223 unset KV_DIR 440 unset KV_DIR
224 441
225 # KV_DIR will contain the full path to the sources directory we should use 442 # KV_DIR will contain the full path to the sources directory we should use
443 [ -z "${get_version_warning_done}" ] && \
226 qeinfo "Determining the location of the kernel source code" 444 qeinfo "Determining the location of the kernel source code"
227 [ -h "${KERNEL_DIR}" ] && KV_DIR="$(readlink -f ${KERNEL_DIR})" 445 [ -h "${KERNEL_DIR}" ] && KV_DIR="$(readlink -f ${KERNEL_DIR})"
228 [ -d "${KERNEL_DIR}" ] && KV_DIR="${KERNEL_DIR}" 446 [ -d "${KERNEL_DIR}" ] && KV_DIR="${KERNEL_DIR}"
229 447
230 if [ -z "${KV_DIR}" ] 448 if [ -z "${KV_DIR}" ]
231 then 449 then
450 if [ -z "${get_version_warning_done}" ]; then
451 get_version_warning_done=1
232 qeerror "Unable to find kernel sources at ${KERNEL_DIR}" 452 qewarn "Unable to find kernel sources at ${KERNEL_DIR}"
233 qeinfo "This package requires Linux sources." 453 #qeinfo "This package requires Linux sources."
234 if [ "${KERNEL_DIR}" == "/usr/src/linux" ] ; then 454 if [ "${KERNEL_DIR}" == "/usr/src/linux" ] ; then
235 qeinfo "Please make sure that ${KERNEL_DIR} points at your running kernel, " 455 qeinfo "Please make sure that ${KERNEL_DIR} points at your running kernel, "
236 qeinfo "(or the kernel you wish to build against)." 456 qeinfo "(or the kernel you wish to build against)."
237 qeinfo "Alternatively, set the KERNEL_DIR environment variable to the kernel sources location" 457 qeinfo "Alternatively, set the KERNEL_DIR environment variable to the kernel sources location"
238 else 458 else
239 qeinfo "Please ensure that the KERNEL_DIR environment variable points at full Linux sources of the kernel you wish to compile against." 459 qeinfo "Please ensure that the KERNEL_DIR environment variable points at full Linux sources of the kernel you wish to compile against."
460 fi
240 fi 461 fi
241 return 1 462 return 1
242 fi 463 fi
243 464
465 # See if the kernel dir is actually an output dir. #454294
466 if [ -z "${KBUILD_OUTPUT}" -a -L "${KERNEL_DIR}/source" ]; then
467 KBUILD_OUTPUT=${KERNEL_DIR}
468 KERNEL_DIR=$(readlink -f "${KERNEL_DIR}/source")
469 KV_DIR=${KERNEL_DIR}
470 fi
471
472 if [ -z "${get_version_warning_done}" ]; then
244 qeinfo "Found kernel source directory:" 473 qeinfo "Found kernel source directory:"
245 qeinfo " ${KV_DIR}" 474 qeinfo " ${KV_DIR}"
475 fi
246 476
247 if [ ! -s "${KV_DIR}/Makefile" ] 477 if [ ! -s "${KV_DIR}/Makefile" ]
248 then 478 then
479 if [ -z "${get_version_warning_done}" ]; then
480 get_version_warning_done=1
249 qeerror "Could not find a Makefile in the kernel source directory." 481 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" 482 qeerror "Please ensure that ${KERNEL_DIR} points to a complete set of Linux sources"
483 fi
251 return 1 484 return 1
252 fi 485 fi
253 486
254 # OK so now we know our sources directory, but they might be using 487 # OK so now we know our sources directory, but they might be using
255 # KBUILD_OUTPUT, and we need this for .config and localversions-* 488 # KBUILD_OUTPUT, and we need this for .config and localversions-*
256 # so we better find it eh? 489 # so we better find it eh?
257 # do we pass KBUILD_OUTPUT on the CLI? 490 # do we pass KBUILD_OUTPUT on the CLI?
258 OUTPUT_DIR="${OUTPUT_DIR:-${KBUILD_OUTPUT}}" 491 local OUTPUT_DIR=${KBUILD_OUTPUT}
259 492
493 # keep track of it
494 KERNEL_MAKEFILE="${KV_DIR}/Makefile"
495
496 if [[ -z ${OUTPUT_DIR} ]]; then
497 # Decide the function used to extract makefile variables.
498 local mkfunc=$(get_makefile_extract_function "${KERNEL_MAKEFILE}")
499
260 # And if we didn't pass it, we can take a nosey in the Makefile 500 # And if we didn't pass it, we can take a nosey in the Makefile.
261 kbuild_output="$(getfilevar KBUILD_OUTPUT ${KV_DIR}/Makefile)" 501 OUTPUT_DIR=$(${mkfunc} KBUILD_OUTPUT "${KERNEL_MAKEFILE}")
262 OUTPUT_DIR="${OUTPUT_DIR:-${kbuild_output}}" 502 fi
263 503
264 # And contrary to existing functions I feel we shouldn't trust the 504 # And contrary to existing functions I feel we shouldn't trust the
265 # directory name to find version information as this seems insane. 505 # directory name to find version information as this seems insane.
266 # so we parse ${KV_DIR}/Makefile 506 # So we parse ${KERNEL_MAKEFILE}. We should be able to trust that
267 KV_MAJOR="$(getfilevar VERSION ${KV_DIR}/Makefile)" 507 # the Makefile is simple enough to use the noexec extract function.
268 KV_MINOR="$(getfilevar PATCHLEVEL ${KV_DIR}/Makefile)" 508 # This has been true for every release thus far, and it's faster
269 KV_PATCH="$(getfilevar SUBLEVEL ${KV_DIR}/Makefile)" 509 # than using make to evaluate the Makefile every time.
270 KV_EXTRA="$(getfilevar EXTRAVERSION ${KV_DIR}/Makefile)" 510 KV_MAJOR=$(getfilevar_noexec VERSION "${KERNEL_MAKEFILE}")
511 KV_MINOR=$(getfilevar_noexec PATCHLEVEL "${KERNEL_MAKEFILE}")
512 KV_PATCH=$(getfilevar_noexec SUBLEVEL "${KERNEL_MAKEFILE}")
513 KV_EXTRA=$(getfilevar_noexec EXTRAVERSION "${KERNEL_MAKEFILE}")
271 514
272 if [ -z "${KV_MAJOR}" -o -z "${KV_MINOR}" -o -z "${KV_PATCH}" ] 515 if [ -z "${KV_MAJOR}" -o -z "${KV_MINOR}" -o -z "${KV_PATCH}" ]
273 then 516 then
517 if [ -z "${get_version_warning_done}" ]; then
518 get_version_warning_done=1
274 qeerror "Could not detect kernel version." 519 qeerror "Could not detect kernel version."
275 qeerror "Please ensure that ${KERNEL_DIR} points to a complete set of Linux sources." 520 qeerror "Please ensure that ${KERNEL_DIR} points to a complete set of Linux sources."
521 fi
276 return 1 522 return 1
277 fi 523 fi
278 524
279 # and in newer versions we can also pull LOCALVERSION if it is set. 525 # and in newer versions we can also pull LOCALVERSION if it is set.
280 # but before we do this, we need to find if we use a different object directory. 526 # but before we do this, we need to find if we use a different object directory.
281 # This *WILL* break if the user is using localversions, but we assume it was 527 # This *WILL* break if the user is using localversions, but we assume it was
282 # caught before this if they are. 528 # caught before this if they are.
283 [ "${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}.${KV_EXTRA}" == "$(uname -r)" ] && \
284 OUTPUT_DIR="${OUTPUT_DIR:-/lib/modules/${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}.${KV_EXTRA}/build}" 529 OUTPUT_DIR="${OUTPUT_DIR:-/lib/modules/${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}${KV_EXTRA}/build}"
285 530
286 [ -h "${OUTPUT_DIR}" ] && KV_OUT_DIR="$(readlink -f ${OUTPUT_DIR})" 531 [ -h "${OUTPUT_DIR}" ] && KV_OUT_DIR="$(readlink -f ${OUTPUT_DIR})"
287 [ -d "${OUTPUT_DIR}" ] && KV_OUT_DIR="${OUTPUT_DIR}" 532 [ -d "${OUTPUT_DIR}" ] && KV_OUT_DIR="${OUTPUT_DIR}"
288 if [ -n "${KV_OUT_DIR}" ]; 533 if [ -n "${KV_OUT_DIR}" ];
289 then 534 then
290 qeinfo "Found kernel object directory:" 535 qeinfo "Found kernel object directory:"
291 qeinfo " ${KV_OUT_DIR}" 536 qeinfo " ${KV_OUT_DIR}"
292
293 KV_LOCAL="$(get_localversion ${KV_OUT_DIR})"
294 fi 537 fi
295 # and if we STILL have not got it, then we better just set it to KV_DIR 538 # and if we STILL have not got it, then we better just set it to KV_DIR
296 KV_OUT_DIR="${KV_OUT_DIR:-${KV_DIR}}" 539 KV_OUT_DIR="${KV_OUT_DIR:-${KV_DIR}}"
297 540
298 if [ ! -s "${KV_OUT_DIR}/.config" ] 541 # Grab the kernel release from the output directory.
299 then 542 # TODO: we MUST detect kernel.release being out of date, and 'return 1' from
300 qeerror "Could not find a usable .config in the kernel source directory." 543 # this function.
301 qeerror "Please ensure that ${KERNEL_DIR} points to a configured set of Linux sources." 544 if [ -s "${KV_OUT_DIR}"/include/config/kernel.release ]; then
302 qeerror "If you are using KBUILD_OUTPUT, please set the environment var so that" 545 KV_LOCAL=$(<"${KV_OUT_DIR}"/include/config/kernel.release)
303 qeerror "it points to the necessary object directory so that it might find .config." 546 elif [ -s "${KV_OUT_DIR}"/.kernelrelease ]; then
304 return 1 547 KV_LOCAL=$(<"${KV_OUT_DIR}"/.kernelrelease)
548 else
549 KV_LOCAL=
305 fi 550 fi
306 551
307 KV_LOCAL="${KV_LOCAL}$(get_localversion ${KV_DIR})" 552 # KV_LOCAL currently contains the full release; discard the first bits.
308 KV_LOCAL="${KV_LOCAL}$(linux_chkconfig_string LOCALVERSION)" 553 tmplocal=${KV_LOCAL#${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}${KV_EXTRA}}
309 KV_LOCAL="${KV_LOCAL//\"/}" 554
555 # If the updated local version was not changed, the tree is not prepared.
556 # Clear out KV_LOCAL in that case.
557 # TODO: this does not detect a change in the localversion part between
558 # kernel.release and the value that would be generated.
559 if [ "$KV_LOCAL" = "$tmplocal" ]; then
560 KV_LOCAL=
561 else
562 KV_LOCAL=$tmplocal
563 fi
310 564
311 # And we should set KV_FULL to the full expanded version 565 # And we should set KV_FULL to the full expanded version
312 KV_FULL="${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}${KV_EXTRA}${KV_LOCAL}" 566 KV_FULL="${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}${KV_EXTRA}${KV_LOCAL}"
313 567
314 qeinfo "Found sources for kernel version:" 568 qeinfo "Found sources for kernel version:"
315 qeinfo " ${KV_FULL}" 569 qeinfo " ${KV_FULL}"
316 570
317 return 0 571 return 0
318} 572}
319 573
574# @FUNCTION: get_running_version
575# @DESCRIPTION:
576# It gets the version of the current running kernel and the result is the same as get_version() if the
577# function can find the sources.
320get_running_version() { 578get_running_version() {
321 KV_FULL=$(uname -r) 579 KV_FULL=$(uname -r)
322 580
581 if [[ -f ${ROOT}/lib/modules/${KV_FULL}/source/Makefile && -f ${ROOT}/lib/modules/${KV_FULL}/build/Makefile ]]; then
582 KERNEL_DIR=$(readlink -f ${ROOT}/lib/modules/${KV_FULL}/source)
583 KBUILD_OUTPUT=$(readlink -f ${ROOT}/lib/modules/${KV_FULL}/build)
584 unset KV_FULL
585 get_version
586 return $?
323 if [[ -f ${ROOT}/lib/modules/${KV_FULL}/source/Makefile ]]; then 587 elif [[ -f ${ROOT}/lib/modules/${KV_FULL}/source/Makefile ]]; then
324 KERNEL_DIR=$(readlink -f ${ROOT}/lib/modules/${KV_FULL}/source) 588 KERNEL_DIR=$(readlink -f ${ROOT}/lib/modules/${KV_FULL}/source)
325 unset KV_FULL 589 unset KV_FULL
326 get_version 590 get_version
327 return $? 591 return $?
328 elif [[ -f ${ROOT}/lib/modules/${KV_FULL}/build/Makefile ]]; then 592 elif [[ -f ${ROOT}/lib/modules/${KV_FULL}/build/Makefile ]]; then
329 KERNEL_DIR=$(readlink -f ${ROOT}/lib/modules/${KV_FULL}/build) 593 KERNEL_DIR=$(readlink -f ${ROOT}/lib/modules/${KV_FULL}/build)
330 unset KV_FULL 594 unset KV_FULL
331 get_version 595 get_version
332 return $? 596 return $?
333 else 597 else
598 # This handles a variety of weird kernel versions. Make sure to update
599 # tests/linux-info:get_running_version.sh if you want to change this.
600 local kv_full=${KV_FULL//[-+_]*}
334 KV_MAJOR=$(get_version_component_range 1 ${KV_FULL}) 601 KV_MAJOR=$(get_version_component_range 1 ${kv_full})
335 KV_MINOR=$(get_version_component_range 2 ${KV_FULL}) 602 KV_MINOR=$(get_version_component_range 2 ${kv_full})
336 KV_PATCH=$(get_version_component_range 3- ${KV_FULL}) 603 KV_PATCH=$(get_version_component_range 3 ${kv_full})
337 KV_PATCH=${KV_PATCH//-*} 604 KV_EXTRA="${KV_FULL#${KV_MAJOR}.${KV_MINOR}${KV_PATCH:+.${KV_PATCH}}}"
338 [[ -n ${KV_FULL#*-} ]] && [[ -n ${KV_FULL//${KV_FULL#*-}} ]] \ 605 : ${KV_PATCH:=0}
339 && KV_EXTRA="-${KV_FULL#*-}"
340 fi 606 fi
341 return 0 607 return 0
608}
609
610# This next function is named with the eclass prefix to avoid conflicts with
611# some old versionator-like eclass functions.
612
613# @FUNCTION: linux-info_get_any_version
614# @DESCRIPTION:
615# This attempts to find the version of the sources, and otherwise falls back to
616# the version of the running kernel.
617linux-info_get_any_version() {
618 get_version
619 if [[ $? -ne 0 ]]; then
620 ewarn "Unable to calculate Linux Kernel version for build, attempting to use running version"
621 get_running_version
622 fi
342} 623}
343 624
344 625
345# ebuild check functions 626# ebuild check functions
346# --------------------------------------- 627# ---------------------------------------
347 628
629# @FUNCTION: check_kernel_built
630# @DESCRIPTION:
631# This function verifies that the current kernel sources have been already prepared otherwise it dies.
348check_kernel_built() { 632check_kernel_built() {
349 # if we haven't determined the version yet, we need too. 633 # if we haven't determined the version yet, we need to
634 require_configured_kernel
350 get_version; 635 get_version
351 636
637 local versionh_path
638 if kernel_is -ge 3 7; then
639 versionh_path="include/generated/uapi/linux/version.h"
640 else
641 versionh_path="include/linux/version.h"
642 fi
643
352 if [ ! -f "${KV_OUT_DIR}/include/linux/version.h" ] 644 if [ ! -f "${KV_OUT_DIR}/${versionh_path}" ]
353 then 645 then
354 eerror "These sources have not yet been prepared." 646 eerror "These sources have not yet been prepared."
355 eerror "We cannot build against an unprepared tree." 647 eerror "We cannot build against an unprepared tree."
356 eerror "To resolve this, please type the following:" 648 eerror "To resolve this, please type the following:"
357 eerror 649 eerror
362 eerror "Then please try merging this module again." 654 eerror "Then please try merging this module again."
363 die "Kernel sources need compiling first" 655 die "Kernel sources need compiling first"
364 fi 656 fi
365} 657}
366 658
659# @FUNCTION: check_modules_supported
660# @DESCRIPTION:
661# This function verifies that the current kernel support modules (it checks CONFIG_MODULES=y) otherwise it dies.
367check_modules_supported() { 662check_modules_supported() {
368 # if we haven't determined the version yet, we need too. 663 # if we haven't determined the version yet, we need too.
664 require_configured_kernel
369 get_version; 665 get_version
370 666
371 if ! linux_chkconfig_builtin "MODULES" 667 if ! linux_chkconfig_builtin "MODULES"; then
372 then
373 eerror "These sources do not support loading external modules." 668 eerror "These sources do not support loading external modules."
374 eerror "to be able to use this module please enable \"Loadable modules support\"" 669 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." 670 eerror "in your kernel, recompile and then try merging this module again."
376 die "No support for external modules in ${KV_FULL} config" 671 die "No support for external modules in ${KV_FULL} config"
377 fi 672 fi
378} 673}
379 674
675# @FUNCTION: check_extra_config
676# @DESCRIPTION:
677# It checks the kernel config options specified by CONFIG_CHECK. It dies only when a required config option (i.e.
678# the prefix ~ is not used) doesn't satisfy the directive.
380check_extra_config() { 679check_extra_config() {
381 local config negate error local_error i n
382 local temp_config die reworkmodulenames 680 local config negate die error reworkmodulenames
681 local soft_errors_count=0 hard_errors_count=0 config_required=0
682 # store the value of the QA check, because otherwise we won't catch usages
683 # after if check_extra_config is called AND other direct calls are done
684 # later.
685 local old_LINUX_CONFIG_EXISTS_DONE="${_LINUX_CONFIG_EXISTS_DONE}"
383 686
384 # if we haven't determined the version yet, we need too. 687 # if we haven't determined the version yet, we need to
385 get_version; 688 linux-info_get_any_version
386 689
690 # Determine if we really need a .config. The only time when we don't need
691 # one is when all of the CONFIG_CHECK options are prefixed with "~".
692 for config in ${CONFIG_CHECK}; do
693 if [[ "${config:0:1}" != "~" ]]; then
694 config_required=1
695 break
696 fi
697 done
698
699 if [[ ${config_required} == 0 ]]; then
700 # In the case where we don't require a .config, we can now bail out
701 # if the user has no .config as there is nothing to do. Otherwise
702 # code later will cause a failure due to missing .config.
703 if ! linux_config_exists; then
704 ewarn "Unable to check for the following kernel config options due"
705 ewarn "to absence of any configured kernel sources or compiled"
706 ewarn "config:"
707 for config in ${CONFIG_CHECK}; do
708 local_error="ERROR_${config#\~}"
709 msg="${!local_error}"
710 if [[ "x${msg}" == "x" ]]; then
711 local_error="WARNING_${config#\~}"
712 msg="${!local_error}"
713 fi
714 ewarn " - ${config#\~}${msg:+ - }${msg}"
715 done
716 ewarn "You're on your own to make sure they are set if needed."
717 export LINUX_CONFIG_EXISTS_DONE="${old_LINUX_CONFIG_EXISTS_DONE}"
718 return 0
719 fi
720 else
721 require_configured_kernel
722 fi
723
387 einfo "Checking for suitable kernel configuration options:" 724 einfo "Checking for suitable kernel configuration options..."
725
388 for config in ${CONFIG_CHECK} 726 for config in ${CONFIG_CHECK}
389 do 727 do
390 # if we specify any fatal, ensure we honor them 728 # if we specify any fatal, ensure we honor them
391 die=1 729 die=1
392 error=0 730 error=0
393 negate=0 731 negate=0
394 reworkmodulenames=0 732 reworkmodulenames=0
395 733
396 if [[ -z ${config//\!*} ]]; then 734 if [[ ${config:0:1} == "~" ]]; then
397 negate=1 735 die=0
398 config=${config:1} 736 config=${config:1}
399 fi 737 elif [[ ${config:0:1} == "@" ]]; then
400 if [[ -z ${config/\@*} ]]; then
401 die=2 738 die=0
402 reworkmodulenames=1 739 reworkmodulenames=1
403 config=${config:1} 740 config=${config:1}
404 fi 741 fi
405 if [[ -z ${config/\~*} ]]; then 742 if [[ ${config:0:1} == "!" ]]; then
406 die=0 743 negate=1
407 config=${config:1} 744 config=${config:1}
408 fi 745 fi
409 746
410 if [[ ${negate} == 1 ]]; then 747 if [[ ${negate} == 1 ]]; then
411 linux_chkconfig_present ${config} && error=2 748 linux_chkconfig_present ${config} && error=2
412 elif [[ ${reworkmodulenames} == 1 ]]; then 749 elif [[ ${reworkmodulenames} == 1 ]]; then
413 temp_config="${config//*:}" 750 local temp_config="${config//*:}" i n
414 config="${config//:*}" 751 config="${config//:*}"
415 if linux_chkconfig_present ${config}; then 752 if linux_chkconfig_present ${config}; then
416 for i in ${MODULE_NAMES}; do 753 for i in ${MODULE_NAMES}; do
417 n="${i//${temp_config}}" 754 n="${i//${temp_config}}"
418 [[ -z ${n//\(*} ]] && \ 755 [[ -z ${n//\(*} ]] && \
422 fi 759 fi
423 else 760 else
424 linux_chkconfig_present ${config} || error=1 761 linux_chkconfig_present ${config} || error=1
425 fi 762 fi
426 763
427 if [[ ${die} == 0 ]]; then
428 ebegin "CONFIG_${config}"
429 eend ${error}
430 else
431 if [[ ${error} > 0 ]]; then 764 if [[ ${error} > 0 ]]; then
765 local report_func="eerror" local_error
432 local_error="ERROR_${config}" 766 local_error="ERROR_${config}"
767 local_error="${!local_error}"
768
769 if [[ -z "${local_error}" ]]; then
770 # using old, deprecated format.
771 local_error="${config}_ERROR"
433 local_error="${!local_error}" 772 local_error="${!local_error}"
434 773 fi
435 if [[ -z "${local_error}" ]]; then 774 if [[ ${die} == 0 && -z "${local_error}" ]]; then
436 # using old, deprecated format. 775 #soft errors can be warnings
437 local_error="${config}_ERROR" 776 local_error="WARNING_${config}"
438 local_error="${!local_error}" 777 local_error="${!local_error}"
778 if [[ -n "${local_error}" ]] ; then
779 report_func="ewarn"
439 fi 780 fi
440
441 if [[ -z "${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 " ${local_error}"
448 fi 781 fi
782
783 if [[ -z "${local_error}" ]]; then
784 [[ ${error} == 1 ]] \
785 && local_error="is not set when it should be." \
786 || local_error="should not be set. But it is."
787 local_error="CONFIG_${config}:\t ${local_error}"
788 fi
789 if [[ ${die} == 0 ]]; then
790 ${report_func} " ${local_error}"
791 soft_errors_count=$[soft_errors_count + 1]
792 else
793 ${report_func} " ${local_error}"
794 hard_errors_count=$[hard_errors_count + 1]
795 fi
449 fi 796 fi
450 done 797 done
451 798
452 if [[ ${error} > 0 ]]; then 799 if [[ ${hard_errors_count} > 0 ]]; then
453 eerror "Please check to make sure these options are set correctly." 800 eerror "Please check to make sure these options are set correctly."
454 eerror "Failure to do so may cause unexpected problems." 801 eerror "Failure to do so may cause unexpected problems."
455 if [[ ${die} == 1 ]]; then
456 eerror "Once you have satisfied these options, please try merging" 802 eerror "Once you have satisfied these options, please try merging"
457 eerror "this package again." 803 eerror "this package again."
804 export LINUX_CONFIG_EXISTS_DONE="${old_LINUX_CONFIG_EXISTS_DONE}"
458 die "Incorrect kernel configuration options" 805 die "Incorrect kernel configuration options"
806 elif [[ ${soft_errors_count} > 0 ]]; then
807 ewarn "Please check to make sure these options are set correctly."
808 ewarn "Failure to do so may cause unexpected problems."
809 else
810 eend 0
459 fi 811 fi
460 fi 812 export LINUX_CONFIG_EXISTS_DONE="${old_LINUX_CONFIG_EXISTS_DONE}"
461} 813}
462 814
463check_zlibinflate() { 815check_zlibinflate() {
464 # if we haven't determined the version yet, we need too. 816 # if we haven't determined the version yet, we need to
817 require_configured_kernel
465 get_version; 818 get_version
466 819
467 # although I restructured this code - I really really really dont support it! 820 # although I restructured this code - I really really really dont support it!
468 821
469 # bug #27882 - zlib routines are only linked into the kernel 822 # bug #27882 - zlib routines are only linked into the kernel
470 # if something compiled into the kernel calls them 823 # if something compiled into the kernel calls them
477 local DEFLATE 830 local DEFLATE
478 831
479 einfo "Determining the usability of ZLIB_INFLATE support in your kernel" 832 einfo "Determining the usability of ZLIB_INFLATE support in your kernel"
480 833
481 ebegin "checking ZLIB_INFLATE" 834 ebegin "checking ZLIB_INFLATE"
482 getfilevar_isbuiltin CONFIG_ZLIB_INFLATE ${KV_DIR}/.config 835 linux_chkconfig_builtin CONFIG_ZLIB_INFLATE
483 eend $? 836 eend $?
484 [ "$?" != 0 ] && die 837 [ "$?" != 0 ] && die
485 838
486 ebegin "checking ZLIB_DEFLATE" 839 ebegin "checking ZLIB_DEFLATE"
487 getfilevar_isbuiltin CONFIG_ZLIB_DEFLATE ${KV_DIR}/.config 840 linux_chkconfig_builtin CONFIG_ZLIB_DEFLATE
488 eend $? 841 eend $?
489 [ "$?" != 0 ] && die 842 [ "$?" != 0 ] && die
490 843
491 local LINENO_START 844 local LINENO_START
492 local LINENO_END 845 local LINENO_END
530} 883}
531 884
532################################ 885################################
533# Default pkg_setup 886# Default pkg_setup
534# Also used when inheriting linux-mod to force a get_version call 887# Also used when inheriting linux-mod to force a get_version call
535 888# @FUNCTION: linux-info_pkg_setup
889# @DESCRIPTION:
890# Force a get_version() call when inherited from linux-mod.eclass and then check if the kernel is configured
891# to support the options specified in CONFIG_CHECK (if not null)
536linux-info_pkg_setup() { 892linux-info_pkg_setup() {
537 get_version || die "Unable to calculate Linux Kernel version" 893 linux-info_get_any_version
894
895 if kernel_is 2 4; then
896 if [ "$( gcc-major-version )" -eq "4" ] ; then
897 echo
898 ewarn "Be warned !! >=sys-devel/gcc-4.0.0 isn't supported with"
899 ewarn "linux-2.4 (or modules building against a linux-2.4 kernel)!"
900 echo
901 ewarn "Either switch to another gcc-version (via gcc-config) or use a"
902 ewarn "newer kernel that supports gcc-4."
903 echo
904 ewarn "Also be aware that bugreports about gcc-4 not working"
905 ewarn "with linux-2.4 based ebuilds will be closed as INVALID!"
906 echo
907 epause 10
908 fi
909 fi
910
538 [ -n "${CONFIG_CHECK}" ] && check_extra_config; 911 [ -n "${CONFIG_CHECK}" ] && check_extra_config;
539} 912}

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