/[gentoo-x86]/eclass/linux-info.eclass
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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 1.20 2005/01/23 20:47:42 eradicator Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/linux-info.eclass,v 1.40 2006/02/16 21:46:50 exg Exp $
4# 4#
5# Description: This eclass is used as a central eclass for accessing kernel 5# Description: This eclass is used as a central eclass for accessing kernel
6# related information for sources already installed. 6# related information for sources already installed.
7# It is vital for linux-mod to function correctly, and is split 7# It is vital for linux-mod to function correctly, and is split
8# out so that any ebuild behaviour "templates" are abstracted out 8# out so that any ebuild behaviour "templates" are abstracted out
13# 13#
14# Please direct your bugs to the current eclass maintainer :) 14# Please direct your bugs to the current eclass maintainer :)
15 15
16# A Couple of env vars are available to effect usage of this eclass 16# A Couple of env vars are available to effect usage of this eclass
17# These are as follows: 17# These are as follows:
18# 18#
19# Env Var Option Description 19# Env Var Option Description
20# KERNEL_DIR <string> The directory containing kernel the target kernel 20# KERNEL_DIR <string> The directory containing kernel the target kernel
21# sources. 21# sources.
22# CONFIG_CHECK <string> a list of .config options to check for before 22# CONFIG_CHECK <string> a list of .config options to check for before
23# proceeding with the install. ie: CONFIG_CHECK="MTRR" 23# proceeding with the install. ie: CONFIG_CHECK="MTRR"
24# You can also check that an option doesn't exist by 24# You can also check that an option doesn't exist by
25# prepending it with an exclamation mark (!). 25# prepending it with an exclamation mark (!).
26# ie: CONFIG_CHECK="!MTRR" 26# ie: CONFIG_CHECK="!MTRR"
27# To simply warn about a missing option, prepend a '~'.
27# <CFG>_ERROR <string> The error message to display when the above check 28# ERROR_CFG <string> The error message to display when the above check
28# fails. <CFG> should reference the appropriate option 29# fails. <CFG> should reference the appropriate option
29# as above. ie: MTRR_ERROR="MTRR exists in the .config 30# as above. ie: ERROR_MTRR="MTRR exists in the .config
30# but shouldn't!!" 31# but shouldn't!!"
31# KBUILD_OUTPUT <string> This is passed on commandline, or can be set from 32# KBUILD_OUTPUT <string> This is passed on commandline, or can be set from
32# the kernel makefile. This contains the directory 33# the kernel makefile. This contains the directory
33# which is to be used as the kernel object directory. 34# which is to be used as the kernel object directory.
34 35
35# There are also a couple of variables which are set by this, and shouldn't be 36# There are also a couple of variables which are set by this, and shouldn't be
36# set by hand. These are as follows: 37# set by hand. These are as follows:
37# 38#
38# Env Var Option Description 39# Env Var Option Description
39# KV_FULL <string> The full kernel version. ie: 2.6.9-gentoo-johnm-r1 40# KV_FULL <string> The full kernel version. ie: 2.6.9-gentoo-johnm-r1
40# KV_MAJOR <integer> The kernel major version. ie: 2 41# KV_MAJOR <integer> The kernel major version. ie: 2
41# KV_MINOR <integer> The kernel minor version. ie: 6 42# KV_MINOR <integer> The kernel minor version. ie: 6
42# KV_PATCH <integer> The kernel patch version. ie: 9 43# KV_PATCH <integer> The kernel patch version. ie: 9
43# KV_EXTRA <string> The kernel EXTRAVERSION. ie: -gentoo 44# KV_EXTRA <string> The kernel EXTRAVERSION. ie: -gentoo
44# KV_LOCAL <string> The kernel LOCALVERSION concatenation. ie: -johnm 45# KV_LOCAL <string> The kernel LOCALVERSION concatenation. ie: -johnm
45# KV_DIR <string> The kernel source directory, will be null if 46# KV_DIR <string> The kernel source directory, will be null if
46# KERNEL_DIR is invalid. 47# KERNEL_DIR is invalid.
47# KV_OUT_DIR <string> The kernel object directory. will be KV_DIR unless 48# KV_OUT_DIR <string> The kernel object directory. will be KV_DIR unless
48# koutput is used. This should be used for referencing 49# koutput is used. This should be used for referencing
49# .config. 50# .config.
50 51
52# And to ensure all the weirdness with crosscompile
53inherit toolchain-funcs versionator
51 54
52ECLASS=linux-info
53INHERITED="$INHERITED $ECLASS"
54EXPORT_FUNCTIONS pkg_setup 55EXPORT_FUNCTIONS pkg_setup
55 56
56inherit toolchain-funcs 57DEPEND="kernel_linux? ( virtual/linux-sources )"
58RDEPEND=""
57 59
58# Overwritable environment Var's 60# Overwritable environment Var's
59# --------------------------------------- 61# ---------------------------------------
60KERNEL_DIR="${KERNEL_DIR:-/usr/src/linux}" 62KERNEL_DIR="${KERNEL_DIR:-${ROOT}usr/src/linux}"
61 63
62 64
63# Bug fixes 65# Bug fixes
64
65# fix to bug #75034 66# fix to bug #75034
66case ${ARCH} in 67case ${ARCH} in
67 ppc) BUILD_FIXES="${BUILD_FIXES} TOUT=${T}/.tmp_gas_check";; 68 ppc) BUILD_FIXES="${BUILD_FIXES} TOUT=${T}/.tmp_gas_check";;
68 ppc64) BUILD_FIXES="${BUILD_FIXES} TOUT=${T}/.tmp_gas_check";; 69 ppc64) BUILD_FIXES="${BUILD_FIXES} TOUT=${T}/.tmp_gas_check";;
69esac 70esac
70 71
71# Pulled from eutils as it might be more useful only being here since 72# These are legacy wrappers for toolchain-funcs.
72# very few ebuilds which dont use this eclass will ever ever use these functions 73# I dont like them here, but oh well.
73set_arch_to_kernel() { 74set_arch_to_kernel() { export ARCH="$(tc-arch-kernel)"; }
74 export ARCH="$(tc-arch-kernel)" 75set_arch_to_portage() { export ARCH="$(tc-arch)"; }
75}
76 76
77# set's ARCH back to what portage expects
78set_arch_to_portage() {
79 export ARCH="$(tc-arch)"
80}
81
82
83#
84# qeinfo "Message" 77# qeinfo "Message"
85# ------------------- 78# -------------------
86# qeinfo is a queit einfo call when EBUILD_PHASE 79# qeinfo is a quiet einfo call when EBUILD_PHASE
87# should not have visible output. 80# should not have visible output.
88# 81qout() {
89qeinfo() {
90 local outputmsg 82 local outputmsg type
83 type=${1}
84 shift
91 outputmsg="${@}" 85 outputmsg="${@}"
92 case "${EBUILD_PHASE}" in 86 case "${EBUILD_PHASE}" in
93 depend) unset outputmsg;; 87 depend) unset outputmsg;;
94 clean) unset outputmsg;; 88 clean) unset outputmsg;;
95 preinst) unset outputmsg;; 89 preinst) unset outputmsg;;
96 esac 90 esac
97 [ -n "${outputmsg}" ] && einfo "${outputmsg}" 91 [ -n "${outputmsg}" ] && ${type} "${outputmsg}"
98} 92}
99 93
100qeerror() { 94qeinfo() { qout einfo "${@}" ; }
101 local outputmsg 95qeerror() { qout eerror "${@}" ; }
102 outputmsg="${@}"
103 case "${EBUILD_PHASE}" in
104 depend) unset outputmsg;;
105 clean) unset outputmsg;;
106 preinst) unset outputmsg;;
107 esac
108 [ -n "${outputmsg}" ] && einfo "${outputmsg}"
109}
110
111
112 96
113# File Functions 97# File Functions
114# --------------------------------------- 98# ---------------------------------------
115 99
116# getfilevar accepts 2 vars as follows: 100# getfilevar accepts 2 vars as follows:
117# getfilevar <VARIABLE> <CONFIGFILE> 101# getfilevar <VARIABLE> <CONFIGFILE>
118 102
119getfilevar() { 103getfilevar() {
120local ERROR workingdir basefname basedname xarch 104local ERROR workingdir basefname basedname myARCH="${ARCH}"
121 ERROR=0 105 ERROR=0
122 106
123 [ -z "${1}" ] && ERROR=1 107 [ -z "${1}" ] && ERROR=1
124 [ ! -f "${2}" ] && ERROR=1 108 [ ! -f "${2}" ] && ERROR=1
125 109
126 if [ "${ERROR}" = 1 ] 110 if [ "${ERROR}" = 1 ]
127 then 111 then
128 ebeep
129 echo -e "\n" 112 echo -e "\n"
130 eerror "getfilevar requires 2 variables, with the second a valid file." 113 eerror "getfilevar requires 2 variables, with the second a valid file."
131 eerror " getfilevar <VARIABLE> <CONFIGFILE>" 114 eerror " getfilevar <VARIABLE> <CONFIGFILE>"
132 else 115 else
133 workingdir=${PWD} 116 workingdir="${PWD}"
134 basefname=$(basename ${2}) 117 basefname="$(basename ${2})"
135 basedname=$(dirname ${2}) 118 basedname="$(dirname ${2})"
136 xarch=${ARCH}
137 unset ARCH 119 unset ARCH
138 120
139 cd ${basedname} 121 cd "${basedname}"
140 echo -e "include ${basefname}\ne:\n\t@echo \$(${1})" | \ 122 echo -e "include ${basefname}\ne:\n\t@echo \$(${1})" | \
141 make ${BUILD_FIXES} -f - e 2>/dev/null 123 make ${BUILD_FIXES} -s -f - e 2>/dev/null
142 cd ${workingdir} 124 cd "${workingdir}"
143 125
144 ARCH=${xarch} 126 ARCH=${myARCH}
145 fi 127 fi
146} 128}
147 129
148linux_chkconfig_present() { 130linux_chkconfig_present() {
149local RESULT 131local RESULT
182# got the jist yet? 164# got the jist yet?
183 165
184kernel_is() { 166kernel_is() {
185 # if we haven't determined the version yet, we need too. 167 # if we haven't determined the version yet, we need too.
186 get_version; 168 get_version;
187 169 local operator test value x=0 y=0 z=0
188 local RESULT operator test value i len
189 RESULT=0
190
191 operator="="
192 if [ "${1}" == "lt" ]
193 then
194 operator="-lt"
195 shift
196 elif [ "${1}" == "gt" ]
197 then
198 operator="-gt"
199 shift
200 elif [ "${1}" == "le" ]
201 then
202 operator="-le"
203 shift
204 elif [ "${1}" == "ge" ]
205 then
206 operator="-ge"
207 shift
208 fi
209 170
210 if [ -n "${1}" ] 171 case ${1} in
211 then 172 lt) operator="-lt"; shift;;
173 gt) operator="-gt"; shift;;
174 le) operator="-le"; shift;;
175 ge) operator="-ge"; shift;;
176 eq) operator="-eq"; shift;;
177 *) operator="-eq";;
178 esac
179
180 for x in ${@}; do
181 for((y=0; y<$((3 - ${#x})); y++)); do value="${value}0"; done
212 value="${value}${1}" 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;
213 test="${test}${KV_MAJOR}" 187 test="${test}${KV_MAJOR}";;
214 fi 188 2) for((y=0; y<$((3 - ${#KV_MINOR})); y++)); do test="${test}0"; done;
215 if [ -n "${2}" ] 189 test="${test}${KV_MINOR}";;
216 then 190 3) for((y=0; y<$((3 - ${#KV_PATCH})); y++)); do test="${test}0"; done;
217 len=$[ 3 - ${#2} ] 191 test="${test}${KV_PATCH}";;
218 for((i=0; i<$len; i++)); do 192 *) die "Error in kernel-2_kernel_is(): Too many parameters.";;
219 value="${value}0" 193 esac
220 done 194 done
221 value="${value}${2}"
222 195
223 len=$[ 3 - ${#KV_MINOR} ]
224 for((i=0; i<$len; i++)); do
225 test="${test}0"
226 done
227 test="${test}${KV_MINOR}"
228 fi
229 if [ -n "${3}" ]
230 then
231 len=$[ 3 - ${#3} ]
232 for((i=0; i<$len; i++)); do
233 value="${value}0"
234 done
235 value="${value}${3}"
236
237 len=$[ 3 - ${#KV_PATCH} ]
238 for((i=0; i<$len; i++)); do
239 test="${test}0"
240 done
241 test="${test}${KV_PATCH}"
242 fi
243
244 [ ${test} ${operator} ${value} ] && return 0 || return 1 196 [ ${test} ${operator} ${value} ] && return 0 || return 1
197}
198
199get_localversion() {
200 local lv_list i x
201
202 # ignore files with ~ in it.
203 for i in $(ls ${1}/localversion* 2>/dev/null); do
204 [[ -n ${i//*~*} ]] && lv_list="${lv_list} ${i}"
205 done
206
207 for i in ${lv_list}; do
208 x="${x}$(<${i})"
209 done
210 x=${x/ /}
211 echo ${x}
245} 212}
246 213
247get_version() { 214get_version() {
248 local kbuild_output 215 local kbuild_output
249 216
250 # no need to execute this twice assuming KV_FULL is populated. 217 # no need to execute this twice assuming KV_FULL is populated.
251 # we can force by unsetting KV_FULL 218 # we can force by unsetting KV_FULL
252 [ -n "${KV_FULL}" ] && return 0 219 [ -n "${KV_FULL}" ] && return 0
253 220
254 # if we dont know KV_FULL, then we need too. 221 # if we dont know KV_FULL, then we need too.
257 224
258 # KV_DIR will contain the full path to the sources directory we should use 225 # KV_DIR will contain the full path to the sources directory we should use
259 qeinfo "Determining the location of the kernel source code" 226 qeinfo "Determining the location of the kernel source code"
260 [ -h "${KERNEL_DIR}" ] && KV_DIR="$(readlink -f ${KERNEL_DIR})" 227 [ -h "${KERNEL_DIR}" ] && KV_DIR="$(readlink -f ${KERNEL_DIR})"
261 [ -d "${KERNEL_DIR}" ] && KV_DIR="${KERNEL_DIR}" 228 [ -d "${KERNEL_DIR}" ] && KV_DIR="${KERNEL_DIR}"
262 229
263 if [ -z "${KV_DIR}" ] 230 if [ -z "${KV_DIR}" ]
264 then 231 then
265 qeerror "Unable to find kernel sources at ${KERNEL_DIR}" 232 qeerror "Unable to find kernel sources at ${KERNEL_DIR}"
266 qeinfo "This package requires Linux sources." 233 qeinfo "This package requires Linux sources."
267 if [ "${KERNEL_DIR}" == "/usr/src/linux" ] ; then 234 if [ "${KERNEL_DIR}" == "/usr/src/linux" ] ; then
281 then 248 then
282 qeerror "Could not find a Makefile in the kernel source directory." 249 qeerror "Could not find a Makefile in the kernel source directory."
283 qeerror "Please ensure that ${KERNEL_DIR} points to a complete set of Linux sources" 250 qeerror "Please ensure that ${KERNEL_DIR} points to a complete set of Linux sources"
284 return 1 251 return 1
285 fi 252 fi
286 253
287 # OK so now we know our sources directory, but they might be using 254 # OK so now we know our sources directory, but they might be using
288 # KBUILD_OUTPUT, and we need this for .config and localversions-* 255 # KBUILD_OUTPUT, and we need this for .config and localversions-*
289 # so we better find it eh? 256 # so we better find it eh?
290 # do we pass KBUILD_OUTPUT on the CLI? 257 # do we pass KBUILD_OUTPUT on the CLI?
291 OUTPUT_DIR="${OUTPUT_DIR:-${KBUILD_OUTPUT}}" 258 OUTPUT_DIR="${OUTPUT_DIR:-${KBUILD_OUTPUT}}"
292 259
293 # And if we didn't pass it, we can take a nosey in the Makefile 260 # And if we didn't pass it, we can take a nosey in the Makefile
294 kbuild_output="$(getfilevar KBUILD_OUTPUT ${KV_DIR}/Makefile)" 261 kbuild_output="$(getfilevar KBUILD_OUTPUT ${KV_DIR}/Makefile)"
295 OUTPUT_DIR="${OUTPUT_DIR:-${kbuild_output}}" 262 OUTPUT_DIR="${OUTPUT_DIR:-${kbuild_output}}"
296 263
297 # And contrary to existing functions I feel we shouldn't trust the 264 # And contrary to existing functions I feel we shouldn't trust the
298 # directory name to find version information as this seems insane. 265 # directory name to find version information as this seems insane.
299 # so we parse ${KV_DIR}/Makefile 266 # so we parse ${KV_DIR}/Makefile
300 KV_MAJOR="$(getfilevar VERSION ${KV_DIR}/Makefile)" 267 KV_MAJOR="$(getfilevar VERSION ${KV_DIR}/Makefile)"
301 KV_MINOR="$(getfilevar PATCHLEVEL ${KV_DIR}/Makefile)" 268 KV_MINOR="$(getfilevar PATCHLEVEL ${KV_DIR}/Makefile)"
302 KV_PATCH="$(getfilevar SUBLEVEL ${KV_DIR}/Makefile)" 269 KV_PATCH="$(getfilevar SUBLEVEL ${KV_DIR}/Makefile)"
303 KV_EXTRA="$(getfilevar EXTRAVERSION ${KV_DIR}/Makefile)" 270 KV_EXTRA="$(getfilevar EXTRAVERSION ${KV_DIR}/Makefile)"
304 271
305 if [ -z "${KV_MAJOR}" -o -z "${KV_MINOR}" -o -z "${KV_PATCH}" ] 272 if [ -z "${KV_MAJOR}" -o -z "${KV_MINOR}" -o -z "${KV_PATCH}" ]
306 then 273 then
307 qeerror "Could not detect kernel version." 274 qeerror "Could not detect kernel version."
308 qeerror "Please ensure that ${KERNEL_DIR} points to a complete set of Linux sources." 275 qeerror "Please ensure that ${KERNEL_DIR} points to a complete set of Linux sources."
309 return 1 276 return 1
310 fi 277 fi
311 278
312 # and in newer versions we can also pull LOCALVERSION if it is set. 279 # and in newer versions we can also pull LOCALVERSION if it is set.
313 # but before we do this, we need to find if we use a different object directory. 280 # but before we do this, we need to find if we use a different object directory.
314 # This *WILL* break if the user is using localversions, but we assume it was 281 # This *WILL* break if the user is using localversions, but we assume it was
315 # caught before this if they are. 282 # caught before this if they are.
316 [ "${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}.${KV_EXTRA}" == "$(uname -r)" ] && \ 283 [ "${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}.${KV_EXTRA}" == "$(uname -r)" ] && \
320 [ -d "${OUTPUT_DIR}" ] && KV_OUT_DIR="${OUTPUT_DIR}" 287 [ -d "${OUTPUT_DIR}" ] && KV_OUT_DIR="${OUTPUT_DIR}"
321 if [ -n "${KV_OUT_DIR}" ]; 288 if [ -n "${KV_OUT_DIR}" ];
322 then 289 then
323 qeinfo "Found kernel object directory:" 290 qeinfo "Found kernel object directory:"
324 qeinfo " ${KV_OUT_DIR}" 291 qeinfo " ${KV_OUT_DIR}"
325 292
326 KV_LOCAL="$(cat ${KV_OUT_DIR}/localversion* 2>/dev/null)" 293 KV_LOCAL="$(get_localversion ${KV_OUT_DIR})"
327 fi 294 fi
328 # and if we STILL haven't got it, then we better just set it to KV_DIR 295 # and if we STILL haven't got it, then we better just set it to KV_DIR
329 KV_OUT_DIR="${KV_OUT_DIR:-${KV_DIR}}" 296 KV_OUT_DIR="${KV_OUT_DIR:-${KV_DIR}}"
330 297
331 KV_LOCAL="${KV_LOCAL}$(cat ${KV_DIR}/localversion* 2>/dev/null)" 298 KV_LOCAL="${KV_LOCAL}$(get_localversion ${KV_DIR})"
332 KV_LOCAL="${KV_LOCAL}$(linux_chkconfig_string LOCALVERSION)" 299 KV_LOCAL="${KV_LOCAL}$(linux_chkconfig_string LOCALVERSION)"
333 KV_LOCAL="${KV_LOCAL//\"/}" 300 KV_LOCAL="${KV_LOCAL//\"/}"
334 301
335 # And we should set KV_FULL to the full expanded version 302 # And we should set KV_FULL to the full expanded version
336 KV_FULL="${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}${KV_EXTRA}${KV_LOCAL}" 303 KV_FULL="${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}${KV_EXTRA}${KV_LOCAL}"
337 304
338 qeinfo "Found sources for kernel version:" 305 qeinfo "Found sources for kernel version:"
339 qeinfo " ${KV_FULL}" 306 qeinfo " ${KV_FULL}"
340 307
341 if [ ! -s "${KV_OUT_DIR}/.config" ] 308 if [ ! -s "${KV_OUT_DIR}/.config" ]
342 then 309 then
343 qeerror "Could not find a usable .config in the kernel source directory." 310 qeerror "Could not find a usable .config in the kernel source directory."
344 qeerror "Please ensure that ${KERNEL_DIR} points to a configured set of Linux sources." 311 qeerror "Please ensure that ${KERNEL_DIR} points to a configured set of Linux sources."
345 qeerror "If you are using KBUILD_OUTPUT, please set the environment var so that" 312 qeerror "If you are using KBUILD_OUTPUT, please set the environment var so that"
346 qeerror "it points to the necessary object directory so that it might find .config." 313 qeerror "it points to the necessary object directory so that it might find .config."
347 return 1 314 return 1
348 fi 315 fi
349 316
350 return 0 317 return 0
351} 318}
352 319
320get_running_version() {
321 KV_FULL=$(uname -r)
353 322
323 if [[ -f ${ROOT}/lib/modules/${KV_FULL}/source/Makefile ]]; then
324 KERNEL_DIR=$(readlink -f ${ROOT}/lib/modules/${KV_FULL}/source)
325 unset KV_FULL
326 get_version
327 return $?
328 elif [[ -f ${ROOT}/lib/modules/${KV_FULL}/build/Makefile ]]; then
329 KERNEL_DIR=$(readlink -f ${ROOT}/lib/modules/${KV_FULL}/build)
330 unset KV_FULL
331 get_version
332 return $?
333 else
334 KV_MAJOR=$(get_version_component_range 1 ${KV_FULL})
335 KV_MINOR=$(get_version_component_range 2 ${KV_FULL})
336 KV_PATCH=$(get_version_component_range 3- ${KV_FULL})
337 KV_PATCH=${KV_PATCH//-*}
338 [[ -n ${KV_FULL#*-} ]] && [[ -n ${KV_FULL//${KV_FULL#*-}} ]] \
339 && KV_EXTRA="-${KV_FULL#*-}"
340 fi
341 return 0
342}
354 343
355 344
356# ebuild check functions 345# ebuild check functions
357# --------------------------------------- 346# ---------------------------------------
358 347
359check_kernel_built() { 348check_kernel_built() {
360 # if we haven't determined the version yet, we need too. 349 # if we haven't determined the version yet, we need too.
361 get_version; 350 get_version;
362 351
363 if [ ! -f "${KV_OUT_DIR}/include/linux/version.h" ] 352 if [ ! -f "${KV_OUT_DIR}/include/linux/version.h" ]
364 then 353 then
365 eerror "These sources have not yet been prepared." 354 eerror "These sources have not yet been prepared."
366 eerror "We cannot build against an unprepared tree." 355 eerror "We cannot build against an unprepared tree."
367 eerror "To resolve this, please type the following:" 356 eerror "To resolve this, please type the following:"
376} 365}
377 366
378check_modules_supported() { 367check_modules_supported() {
379 # if we haven't determined the version yet, we need too. 368 # if we haven't determined the version yet, we need too.
380 get_version; 369 get_version;
381 370
382 if ! linux_chkconfig_builtin "MODULES" 371 if ! linux_chkconfig_builtin "MODULES"
383 then 372 then
384 eerror "These sources do not support loading external modules." 373 eerror "These sources do not support loading external modules."
385 eerror "to be able to use this module please enable \"Loadable modules support\"" 374 eerror "to be able to use this module please enable \"Loadable modules support\""
386 eerror "in your kernel, recompile and then try merging this module again." 375 eerror "in your kernel, recompile and then try merging this module again."
387 die "No support for external modules in ${KV_FULL} config" 376 die "No support for external modules in ${KV_FULL} config"
388 fi 377 fi
389} 378}
390 379
391check_extra_config() { 380check_extra_config() {
392 local config negate error local_error i n temp_config 381 local config negate error local_error i n
382 local temp_config die reworkmodulenames
393 383
394 # if we haven't determined the version yet, we need too. 384 # if we haven't determined the version yet, we need too.
395 get_version; 385 get_version;
396 386
397 einfo "Checking for suitable kernel configuration options" 387 einfo "Checking for suitable kernel configuration options:"
398 for config in ${CONFIG_CHECK} 388 for config in ${CONFIG_CHECK}
399 do 389 do
400 negate="${config:0:1}" 390 # if we specify any fatal, ensure we honor them
401 if [ "${negate}" == "!" ]; 391 die=1
402 then 392 error=0
393 negate=0
394 reworkmodulenames=0
395
396 if [[ -z ${config//\!*} ]]; then
397 negate=1
403 config="${config:1}" 398 config=${config:1}
404 if linux_chkconfig_present ${config}
405 then
406 local_error="${config}_ERROR"
407 local_error="${!local_error}"
408 [ -n "${local_error}" ] && eerror " ${local_error}" || \
409 eerror " CONFIG_${config}:\tshould not be set in the kernel configuration, but it is."
410 error=1
411 fi 399 fi
412 elif [ "${negate}" == "@" ]; 400 if [[ -z ${config/\@*} ]]; then
413 then 401 die=2
414 # we never call this unless we are using MODULE_NAMES 402 reworkmodulenames=1
415
416 config="${config:1}" 403 config=${config:1}
404 fi
405 if [[ -z ${config/\~*} ]]; then
406 die=0
407 config=${config:1}
408 fi
409
410 if [[ ${negate} == 1 ]]; then
411 linux_chkconfig_present ${config} && error=2
412 elif [[ ${reworkmodulenames} == 1 ]]; then
417 temp_config="${config//*:}" 413 temp_config="${config//*:}"
418 config="${config//:*}" 414 config="${config//:*}"
419 if linux_chkconfig_present ${config} 415 if linux_chkconfig_present ${config}; then
420 then
421 local_error="${config}_ERROR"
422 local_error="${!local_error}"
423 [ -n "${local_error}" ] && eerror " ${local_error}" || \
424 eerror " CONFIG_${config}:\tshould not be set in the kernel configuration, but it is."
425
426 for i in ${MODULE_NAMES} 416 for i in ${MODULE_NAMES}; do
427 do
428 n="${i//${temp_config}}" 417 n="${i//${temp_config}}"
418 [[ -z ${n//\(*} ]] && \
429 [ -z "${n//(*}" ] && MODULE_IGNORE="${MODULE_IGNORE} ${temp_config}" 419 MODULE_IGNORE="${MODULE_IGNORE} ${temp_config}"
430 done 420 done
431 error=0 421 error=2
432 fi 422 fi
433 else 423 else
434 if ! linux_chkconfig_present ${config} 424 linux_chkconfig_present ${config} || error=1
435 then 425 fi
426
427 if [[ ${die} == 0 ]]; then
428 ebegin "CONFIG_${config}"
429 eend ${error}
430 else
431 if [[ ${error} > 0 ]]; then
436 local_error="${config}_ERROR" 432 local_error="ERROR_${config}"
437 local_error="${!local_error}" 433 local_error="${!local_error}"
438 [ -n "${local_error}" ] && eerror " ${local_error}" || \ 434
439 eerror " CONFIG_${config}:\tshould be set in the kernel configuration, but isn't" 435 if [[ -z "${local_error}" ]]; then
440 error=1 436 # using old, deprecated format.
437 local_error="${config}_ERROR"
438 local_error="${!local_error}"
439 fi
440
441 if [[ -z "${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 " ${local_error}"
441 fi 448 fi
442 fi 449 fi
443 done 450 done
444 451
445 if [ "${error}" == 1 ] ; 452 if [[ ${error} > 0 ]]; then
446 then
447 eerror "Please check to make sure these options are set correctly." 453 eerror "Please check to make sure these options are set correctly."
454 eerror "Failure to do so may cause unexpected problems."
455 if [[ ${die} == 1 ]]; then
448 eerror "Once you have satisfied these options, please try merging" 456 eerror "Once you have satisfied these options, please try merging"
449 eerror "this package again." 457 eerror "this package again."
450 die "Incorrect kernel configuration options" 458 die "Incorrect kernel configuration options"
459 fi
451 fi 460 fi
452} 461}
453 462
454check_zlibinflate() { 463check_zlibinflate() {
455 # if we haven't determined the version yet, we need too. 464 # if we haven't determined the version yet, we need too.
456 get_version; 465 get_version;
457 466
458 # although I restructured this code - I really really really dont support it! 467 # although I restructured this code - I really really really dont support it!
459 468
460 # bug #27882 - zlib routines are only linked into the kernel 469 # bug #27882 - zlib routines are only linked into the kernel
461 # if something compiled into the kernel calls them 470 # if something compiled into the kernel calls them
462 # 471 #
463 # plus, for the cloop module, it appears that there's no way 472 # plus, for the cloop module, it appears that there's no way
464 # to get cloop.o to include a static zlib if CONFIG_MODVERSIONS 473 # to get cloop.o to include a static zlib if CONFIG_MODVERSIONS
465 # is on 474 # is on
466 475
467local INFLATE 476 local INFLATE
468local DEFLATE 477 local DEFLATE
469 478
470 einfo "Determining the usability of ZLIB_INFLATE support in your kernel" 479 einfo "Determining the usability of ZLIB_INFLATE support in your kernel"
471 480
472 ebegin "checking ZLIB_INFLATE" 481 ebegin "checking ZLIB_INFLATE"
473 getfilevar_isbuiltin CONFIG_ZLIB_INFLATE ${KV_DIR}/.config 482 getfilevar_isbuiltin CONFIG_ZLIB_INFLATE ${KV_DIR}/.config
474 eend $? 483 eend $?
475 [ "$?" != 0 ] && die 484 [ "$?" != 0 ] && die
476 485
477 ebegin "checking ZLIB_DEFLATE" 486 ebegin "checking ZLIB_DEFLATE"
478 getfilevar_isbuiltin CONFIG_ZLIB_DEFLATE ${KV_DIR}/.config 487 getfilevar_isbuiltin CONFIG_ZLIB_DEFLATE ${KV_DIR}/.config
479 eend $? 488 eend $?
480 [ "$?" != 0 ] && die 489 [ "$?" != 0 ] && die
481 490
482
483 local LINENO_START 491 local LINENO_START
484 local LINENO_END 492 local LINENO_END
485 local SYMBOLS 493 local SYMBOLS
486 local x 494 local x
487 495
488 LINENO_END="$(grep -n 'CONFIG_ZLIB_INFLATE y' ${KV_DIR}/lib/Config.in | cut -d : -f 1)" 496 LINENO_END="$(grep -n 'CONFIG_ZLIB_INFLATE y' ${KV_DIR}/lib/Config.in | cut -d : -f 1)"
489 LINENO_START="$(head -n $LINENO_END ${KV_DIR}/lib/Config.in | grep -n 'if \[' | tail -n 1 | cut -d : -f 1)" 497 LINENO_START="$(head -n $LINENO_END ${KV_DIR}/lib/Config.in | grep -n 'if \[' | tail -n 1 | cut -d : -f 1)"
490 (( LINENO_AMOUNT = $LINENO_END - $LINENO_START )) 498 (( LINENO_AMOUNT = $LINENO_END - $LINENO_START ))
491 (( LINENO_END = $LINENO_END - 1 )) 499 (( LINENO_END = $LINENO_END - 1 ))
492 SYMBOLS="$(head -n $LINENO_END ${KV_DIR}/lib/Config.in | tail -n $LINENO_AMOUNT | sed -e 's/^.*\(CONFIG_[^\" ]*\).*/\1/g;')" 500 SYMBOLS="$(head -n $LINENO_END ${KV_DIR}/lib/Config.in | tail -n $LINENO_AMOUNT | sed -e 's/^.*\(CONFIG_[^\" ]*\).*/\1/g;')"
498 # we have a winner! 506 # we have a winner!
499 einfo "${x} ensures zlib is linked into your kernel - excellent" 507 einfo "${x} ensures zlib is linked into your kernel - excellent"
500 return 0 508 return 0
501 fi 509 fi
502 done 510 done
503 511
504 eerror 512 eerror
505 eerror "This kernel module requires ZLIB library support." 513 eerror "This kernel module requires ZLIB library support."
506 eerror "You have enabled zlib support in your kernel, but haven't enabled" 514 eerror "You have enabled zlib support in your kernel, but haven't enabled"
507 eerror "enabled any option that will ensure that zlib is linked into your" 515 eerror "enabled any option that will ensure that zlib is linked into your"
508 eerror "kernel." 516 eerror "kernel."

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