/[gentoo-x86]/eclass/linux-info.eclass
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Revision 1.10 Revision 1.40
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 1.10 2004/12/14 18:56:46 johnm 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 $ECLASS"
54EXPORT_FUNCTIONS pkg_setup 55EXPORT_FUNCTIONS pkg_setup
56
57DEPEND="kernel_linux? ( virtual/linux-sources )"
58RDEPEND=""
55 59
56# Overwritable environment Var's 60# Overwritable environment Var's
57# --------------------------------------- 61# ---------------------------------------
58KERNEL_DIR="${KERNEL_DIR:-/usr/src/linux}" 62KERNEL_DIR="${KERNEL_DIR:-${ROOT}usr/src/linux}"
59 63
60 64
61# Pulled from eutils as it might be more useful only being here since 65# Bug fixes
62# very few ebuilds which dont use this eclass will ever ever use these functions 66# fix to bug #75034
63set_arch_to_kernel() {
64 export PORTAGE_ARCH="${ARCH}"
65 case ${ARCH} in 67case ${ARCH} in
66 x86) export ARCH="i386";; 68 ppc) BUILD_FIXES="${BUILD_FIXES} TOUT=${T}/.tmp_gas_check";;
67 amd64) export ARCH="x86_64";; 69 ppc64) BUILD_FIXES="${BUILD_FIXES} TOUT=${T}/.tmp_gas_check";;
68 hppa) export ARCH="parisc";; 70esac
69 mips) export ARCH="mips";; 71
70 *) export ARCH="${ARCH}";; 72# These are legacy wrappers for toolchain-funcs.
73# I dont like them here, but oh well.
74set_arch_to_kernel() { export ARCH="$(tc-arch-kernel)"; }
75set_arch_to_portage() { export ARCH="$(tc-arch)"; }
76
77# qeinfo "Message"
78# -------------------
79# qeinfo is a quiet einfo call when EBUILD_PHASE
80# should not have visible output.
81qout() {
82 local outputmsg type
83 type=${1}
84 shift
85 outputmsg="${@}"
86 case "${EBUILD_PHASE}" in
87 depend) unset outputmsg;;
88 clean) unset outputmsg;;
89 preinst) unset outputmsg;;
71 esac 90 esac
91 [ -n "${outputmsg}" ] && ${type} "${outputmsg}"
72} 92}
73 93
74# set's ARCH back to what portage expects 94qeinfo() { qout einfo "${@}" ; }
75set_arch_to_portage() { 95qeerror() { qout eerror "${@}" ; }
76 export ARCH="${PORTAGE_ARCH}"
77}
78 96
79# File Functions 97# File Functions
80# --------------------------------------- 98# ---------------------------------------
81 99
82# getfilevar accepts 2 vars as follows: 100# getfilevar accepts 2 vars as follows:
83# getfilevar <VARIABLE> <CONFIGFILE> 101# getfilevar <VARIABLE> <CONFIGFILE>
84 102
85getfilevar() { 103getfilevar() {
86local ERROR workingdir basefname basedname xarch 104local ERROR workingdir basefname basedname myARCH="${ARCH}"
87 ERROR=0 105 ERROR=0
88 106
89 [ -z "${1}" ] && ERROR=1 107 [ -z "${1}" ] && ERROR=1
90 [ ! -f "${2}" ] && ERROR=1 108 [ ! -f "${2}" ] && ERROR=1
91 109
92 if [ "${ERROR}" = 1 ] 110 if [ "${ERROR}" = 1 ]
93 then 111 then
94 ebeep
95 echo -e "\n" 112 echo -e "\n"
96 eerror "getfilevar requires 2 variables, with the second a valid file." 113 eerror "getfilevar requires 2 variables, with the second a valid file."
97 eerror " getfilevar <VARIABLE> <CONFIGFILE>" 114 eerror " getfilevar <VARIABLE> <CONFIGFILE>"
98 else 115 else
99 workingdir=${PWD} 116 workingdir="${PWD}"
100 basefname=$(basename ${2}) 117 basefname="$(basename ${2})"
101 basedname=$(dirname ${2}) 118 basedname="$(dirname ${2})"
102 xarch=${ARCH}
103 unset ARCH 119 unset ARCH
104 120
105 cd ${basedname} 121 cd "${basedname}"
106 echo -e "include ${basefname}\ne:\n\t@echo \$(${1})" | \ 122 echo -e "include ${basefname}\ne:\n\t@echo \$(${1})" | \
107 make -f - e 2>/dev/null 123 make ${BUILD_FIXES} -s -f - e 2>/dev/null
108 cd ${workingdir} 124 cd "${workingdir}"
109 125
110 ARCH=${xarch} 126 ARCH=${myARCH}
111 fi 127 fi
112} 128}
113 129
114linux_chkconfig_present() { 130linux_chkconfig_present() {
115local RESULT 131local RESULT
148# got the jist yet? 164# got the jist yet?
149 165
150kernel_is() { 166kernel_is() {
151 # if we haven't determined the version yet, we need too. 167 # if we haven't determined the version yet, we need too.
152 get_version; 168 get_version;
153 169 local operator test value x=0 y=0 z=0
154 local RESULT 170
155 RESULT=1 171 case ${1} in
156 172 lt) operator="-lt"; shift;;
157 if [ -n "${1}" ] 173 gt) operator="-gt"; shift;;
158 then 174 le) operator="-le"; shift;;
159 [ "${1}" = "${KV_MAJOR}" ] && RESULT=0 175 ge) operator="-ge"; shift;;
160 fi 176 eq) operator="-eq"; shift;;
161 177 *) operator="-eq";;
162 if [ -n "${2}" ] 178 esac
163 then 179
164 RESULT=1 180 for x in ${@}; do
165 [ "${2}" = "${KV_MINOR}" ] && RESULT=0 181 for((y=0; y<$((3 - ${#x})); y++)); do value="${value}0"; done
166 fi 182 value="${value}${x}"
167 183 z=$((${z} + 1))
168 if [ -n "${3}" ] 184
169 then 185 case ${z} in
170 RESULT=1 186 1) for((y=0; y<$((3 - ${#KV_MAJOR})); y++)); do test="${test}0"; done;
171 [ "${3}" = "${KV_PATCH}" ] && RESULT=0 187 test="${test}${KV_MAJOR}";;
172 fi 188 2) for((y=0; y<$((3 - ${#KV_MINOR})); y++)); do test="${test}0"; done;
173 return ${RESULT} 189 test="${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.";;
193 esac
194 done
195
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 ${x}
174} 212}
175 213
176get_version() { 214get_version() {
177 local kbuild_output 215 local kbuild_output
178 216
179 # no need to execute this twice assuming KV_FULL is populated. 217 # no need to execute this twice assuming KV_FULL is populated.
180 # we can force by unsetting KV_FULL 218 # we can force by unsetting KV_FULL
181 [ -n "${KV_FULL}" ] && return 219 [ -n "${KV_FULL}" ] && return 0
182 220
183 # if we dont know KV_FULL, then we need too. 221 # if we dont know KV_FULL, then we need too.
184 # make sure KV_DIR isnt set since we need to work it out via KERNEL_DIR 222 # make sure KV_DIR isnt set since we need to work it out via KERNEL_DIR
185 unset KV_DIR 223 unset KV_DIR
186 224
187 # KV_DIR will contain the full path to the sources directory we should use 225 # KV_DIR will contain the full path to the sources directory we should use
188 einfo "Determining the location of the kernel source code" 226 qeinfo "Determining the location of the kernel source code"
189 [ -h "${KERNEL_DIR}" ] && KV_DIR="$(readlink -f ${KERNEL_DIR})" 227 [ -h "${KERNEL_DIR}" ] && KV_DIR="$(readlink -f ${KERNEL_DIR})"
190 [ -d "${KERNEL_DIR}" ] && KV_DIR="${KERNEL_DIR}" 228 [ -d "${KERNEL_DIR}" ] && KV_DIR="${KERNEL_DIR}"
191 229
192 if [ -z "${KV_DIR}" ] 230 if [ -z "${KV_DIR}" ]
193 then 231 then
194 eerror "Unable to find kernel sources at ${KERNEL_DIR}" 232 qeerror "Unable to find kernel sources at ${KERNEL_DIR}"
195 einfo "This package requires Linux sources." 233 qeinfo "This package requires Linux sources."
196 if [ "${KERNEL_DIR}" == "/usr/src/linux" ] ; then 234 if [ "${KERNEL_DIR}" == "/usr/src/linux" ] ; then
197 einfo "Please make sure that ${KERNEL_DIR} points at your running kernel, " 235 qeinfo "Please make sure that ${KERNEL_DIR} points at your running kernel, "
198 einfo "(or the kernel you wish to build against)." 236 qeinfo "(or the kernel you wish to build against)."
199 einfo "Alternatively, set the KERNEL_DIR environment variable to the kernel sources location" 237 qeinfo "Alternatively, set the KERNEL_DIR environment variable to the kernel sources location"
200 else 238 else
201 einfo "Please ensure that the KERNEL_DIR environment variable points at full Linux sources of the kernel you wish to compile against." 239 qeinfo "Please ensure that the KERNEL_DIR environment variable points at full Linux sources of the kernel you wish to compile against."
202 fi
203 die "Cannot locate Linux sources at ${KERNEL_DIR}"
204 fi 240 fi
241 return 1
242 fi
205 243
206 einfo "Found kernel source directory:" 244 qeinfo "Found kernel source directory:"
207 einfo " ${KV_DIR}" 245 qeinfo " ${KV_DIR}"
208 246
209 if [ ! -s "${KV_DIR}/Makefile" ] 247 if [ ! -s "${KV_DIR}/Makefile" ]
210 then 248 then
211 eerror "Could not find a Makefile in the kernel source directory." 249 qeerror "Could not find a Makefile in the kernel source directory."
212 eerror "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"
213 die "Makefile not found in ${KV_DIR}" 251 return 1
214 fi 252 fi
215 253
216 # OK so now we know our sources directory, but they might be using 254 # OK so now we know our sources directory, but they might be using
217 # KBUILD_OUTPUT, and we need this for .config and localversions-* 255 # KBUILD_OUTPUT, and we need this for .config and localversions-*
218 # so we better find it eh? 256 # so we better find it eh?
219 # do we pass KBUILD_OUTPUT on the CLI? 257 # do we pass KBUILD_OUTPUT on the CLI?
220 OUTPUT_DIR="${OUTPUT_DIR:-${KBUILD_OUTPUT}}" 258 OUTPUT_DIR="${OUTPUT_DIR:-${KBUILD_OUTPUT}}"
221 259
222 # And if we didn't pass it, we can take a nosey in the Makefile 260 # And if we didn't pass it, we can take a nosey in the Makefile
223 kbuild_output="$(getfilevar KBUILD_OUTPUT ${KV_DIR}/Makefile)" 261 kbuild_output="$(getfilevar KBUILD_OUTPUT ${KV_DIR}/Makefile)"
224 OUTPUT_DIR="${OUTPUT_DIR:-${kbuild_output}}" 262 OUTPUT_DIR="${OUTPUT_DIR:-${kbuild_output}}"
225 263
226 # 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
227 # directory name to find version information as this seems insane. 265 # directory name to find version information as this seems insane.
228 # so we parse ${KV_DIR}/Makefile 266 # so we parse ${KV_DIR}/Makefile
229 KV_MAJOR="$(getfilevar VERSION ${KV_DIR}/Makefile)" 267 KV_MAJOR="$(getfilevar VERSION ${KV_DIR}/Makefile)"
230 KV_MINOR="$(getfilevar PATCHLEVEL ${KV_DIR}/Makefile)" 268 KV_MINOR="$(getfilevar PATCHLEVEL ${KV_DIR}/Makefile)"
231 KV_PATCH="$(getfilevar SUBLEVEL ${KV_DIR}/Makefile)" 269 KV_PATCH="$(getfilevar SUBLEVEL ${KV_DIR}/Makefile)"
232 KV_EXTRA="$(getfilevar EXTRAVERSION ${KV_DIR}/Makefile)" 270 KV_EXTRA="$(getfilevar EXTRAVERSION ${KV_DIR}/Makefile)"
233 271
234 if [ -z "${KV_MAJOR}" -o -z "${KV_MINOR}" -o -z "${KV_PATCH}" ] 272 if [ -z "${KV_MAJOR}" -o -z "${KV_MINOR}" -o -z "${KV_PATCH}" ]
235 then 273 then
236 eerror "Could not detect kernel version." 274 qeerror "Could not detect kernel version."
237 eerror "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."
238 die "Could not parse version info from ${KV_DIR}/Makefile" 276 return 1
239 fi 277 fi
240 278
241 # and in newer versions we can also pull LOCALVERSION if it is set. 279 # and in newer versions we can also pull LOCALVERSION if it is set.
242 # but before we do this, we need to find if we use a different object directory. 280 # but before we do this, we need to find if we use a different object directory.
243 # This *WILL* break if the user is using localversions, but we assume it was 281 # This *WILL* break if the user is using localversions, but we assume it was
244 # caught before this if they are. 282 # caught before this if they are.
245 [ "${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}.${KV_EXTRA}" == "$(uname -r)" ] && \ 283 [ "${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}.${KV_EXTRA}" == "$(uname -r)" ] && \
247 285
248 [ -h "${OUTPUT_DIR}" ] && KV_OUT_DIR="$(readlink -f ${OUTPUT_DIR})" 286 [ -h "${OUTPUT_DIR}" ] && KV_OUT_DIR="$(readlink -f ${OUTPUT_DIR})"
249 [ -d "${OUTPUT_DIR}" ] && KV_OUT_DIR="${OUTPUT_DIR}" 287 [ -d "${OUTPUT_DIR}" ] && KV_OUT_DIR="${OUTPUT_DIR}"
250 if [ -n "${KV_OUT_DIR}" ]; 288 if [ -n "${KV_OUT_DIR}" ];
251 then 289 then
252 einfo "Found kernel object directory:" 290 qeinfo "Found kernel object directory:"
253 einfo " ${KV_OUT_DIR}" 291 qeinfo " ${KV_OUT_DIR}"
254 292
255 KV_LOCAL="$(cat ${KV_OUT_DIR}/localversion* 2>/dev/null)" 293 KV_LOCAL="$(get_localversion ${KV_OUT_DIR})"
256 fi 294 fi
257 # and if we STILL haven't got it, then we better just set it to KV_DIR 295 # and if we STILL haven't got it, then we better just set it to KV_DIR
258 KV_OUT_DIR="${KV_OUT_DIR:-${KV_DIR}}" 296 KV_OUT_DIR="${KV_OUT_DIR:-${KV_DIR}}"
259 297
260 KV_LOCAL="${KV_LOCAL}$(cat ${KV_DIR}/localversion* 2>/dev/null)" 298 KV_LOCAL="${KV_LOCAL}$(get_localversion ${KV_DIR})"
261 KV_LOCAL="${KV_LOCAL}$(linux_chkconfig_string LOCALVERSION)" 299 KV_LOCAL="${KV_LOCAL}$(linux_chkconfig_string LOCALVERSION)"
262 KV_LOCAL="${KV_LOCAL//\"/}" 300 KV_LOCAL="${KV_LOCAL//\"/}"
263 301
264 # And we should set KV_FULL to the full expanded version 302 # And we should set KV_FULL to the full expanded version
265 KV_FULL="${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}${KV_EXTRA}${KV_LOCAL}" 303 KV_FULL="${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}${KV_EXTRA}${KV_LOCAL}"
266 304
267 einfo "Found sources for kernel version:" 305 qeinfo "Found sources for kernel version:"
268 einfo " ${KV_FULL}" 306 qeinfo " ${KV_FULL}"
269 307
270 if [ ! -s "${KV_OUT_DIR}/.config" ] 308 if [ ! -s "${KV_OUT_DIR}/.config" ]
271 then 309 then
272 eerror "Could not find a usable .config in the kernel source directory." 310 qeerror "Could not find a usable .config in the kernel source directory."
273 eerror "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."
274 die ".config not found in ${KV_OUT_DIR}" 312 qeerror "If you are using KBUILD_OUTPUT, please set the environment var so that"
313 qeerror "it points to the necessary object directory so that it might find .config."
314 return 1
275 fi 315 fi
276}
277 316
317 return 0
318}
278 319
320get_running_version() {
321 KV_FULL=$(uname -r)
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="-${KV_FULL#*-}"
340 fi
341 return 0
342}
279 343
280 344
281# ebuild check functions 345# ebuild check functions
282# --------------------------------------- 346# ---------------------------------------
283 347
284check_kernel_built() { 348check_kernel_built() {
285 # if we haven't determined the version yet, we need too. 349 # if we haven't determined the version yet, we need too.
286 get_version; 350 get_version;
287 351
288 if [ ! -f "${KV_OUT_DIR}/System.map" ] 352 if [ ! -f "${KV_OUT_DIR}/include/linux/version.h" ]
289 then 353 then
290 eerror "These sources have not yet been compiled." 354 eerror "These sources have not yet been prepared."
291 eerror "We cannot build against an uncompiled tree." 355 eerror "We cannot build against an unprepared tree."
292 eerror "To resolve this, please type the following:" 356 eerror "To resolve this, please type the following:"
293 eerror 357 eerror
294 eerror "# cd ${KV_DIR}" 358 eerror "# cd ${KV_DIR}"
295 eerror "# make oldconfig" 359 eerror "# make oldconfig"
296 eerror "# make bzImage modules modules_install" 360 eerror "# make modules_prepare"
297 eerror 361 eerror
298 eerror "Then please try merging this module again." 362 eerror "Then please try merging this module again."
299 die "Kernel sources need compiling first" 363 die "Kernel sources need compiling first"
300 fi 364 fi
301} 365}
302 366
303check_modules_supported() { 367check_modules_supported() {
304 # if we haven't determined the version yet, we need too. 368 # if we haven't determined the version yet, we need too.
305 get_version; 369 get_version;
306 370
307 if ! linux_chkconfig_builtin "MODULES" 371 if ! linux_chkconfig_builtin "MODULES"
308 then 372 then
309 eerror "These sources do not support loading external modules." 373 eerror "These sources do not support loading external modules."
310 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\""
311 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."
312 die "No support for external modules in ${KV_FULL} config" 376 die "No support for external modules in ${KV_FULL} config"
313 fi 377 fi
314} 378}
315 379
316check_extra_config() { 380check_extra_config() {
317local config negate error local_error 381 local config negate error local_error i n
382 local temp_config die reworkmodulenames
318 383
319 # if we haven't determined the version yet, we need too. 384 # if we haven't determined the version yet, we need too.
320 get_version; 385 get_version;
321 386
322 einfo "Checking for suitable kernel configuration options" 387 einfo "Checking for suitable kernel configuration options:"
323 for config in ${CONFIG_CHECK} 388 for config in ${CONFIG_CHECK}
324 do 389 do
325 negate="${config:0:1}" 390 # if we specify any fatal, ensure we honor them
326 if [ "${negate}" == "!" ]; 391 die=1
327 then 392 error=0
393 negate=0
394 reworkmodulenames=0
395
396 if [[ -z ${config//\!*} ]]; then
397 negate=1
328 config="${config:1}" 398 config=${config:1}
399 fi
400 if [[ -z ${config/\@*} ]]; then
401 die=2
402 reworkmodulenames=1
403 config=${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 [[ ${reworkmodulenames} == 1 ]]; then
413 temp_config="${config//*:}"
414 config="${config//:*}"
329 if linux_chkconfig_present ${config} 415 if linux_chkconfig_present ${config}; then
330 then 416 for i in ${MODULE_NAMES}; do
331 local_error="${config}_ERROR" 417 n="${i//${temp_config}}"
332 local_error="${!local_error}" 418 [[ -z ${n//\(*} ]] && \
333 [ -n "${local_error}" ] && eerror " ${local_error}" || \ 419 MODULE_IGNORE="${MODULE_IGNORE} ${temp_config}"
334 eerror " CONFIG_${config}:\tshould not be set in the kernel configuration, but it is." 420 done
335 error=1 421 error=2
336 fi 422 fi
337 else 423 else
338 if ! linux_chkconfig_present ${config} 424 linux_chkconfig_present ${config} || error=1
339 then 425 fi
426
427 if [[ ${die} == 0 ]]; then
428 ebegin "CONFIG_${config}"
429 eend ${error}
430 else
431 if [[ ${error} > 0 ]]; then
340 local_error="${config}_ERROR" 432 local_error="ERROR_${config}"
341 local_error="${!local_error}" 433 local_error="${!local_error}"
342 [ -n "${local_error}" ] && eerror " ${local_error}" || \ 434
343 eerror " CONFIG_${config}:\tshould be set in the kernel configuration, but isn't" 435 if [[ -z "${local_error}" ]]; then
344 error=1 436 # using old, deprecated format.
437 local_error="${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 " ${local_error}"
345 fi 448 fi
346 fi 449 fi
347 done 450 done
348 451
349 if [ -n "${error}" ] ; 452 if [[ ${error} > 0 ]]; then
350 then
351 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
352 eerror "Once you have satisfied these options, please try merging" 456 eerror "Once you have satisfied these options, please try merging"
353 eerror "this package again." 457 eerror "this package again."
354 die "Incorrect kernel configuration options" 458 die "Incorrect kernel configuration options"
459 fi
355 fi 460 fi
356} 461}
357 462
358check_zlibinflate() { 463check_zlibinflate() {
359 # if we haven't determined the version yet, we need too. 464 # if we haven't determined the version yet, we need too.
360 get_version; 465 get_version;
361 466
362 # 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!
363 468
364 # bug #27882 - zlib routines are only linked into the kernel 469 # bug #27882 - zlib routines are only linked into the kernel
365 # if something compiled into the kernel calls them 470 # if something compiled into the kernel calls them
366 # 471 #
367 # 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
368 # 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
369 # is on 474 # is on
370 475
371local INFLATE 476 local INFLATE
372local DEFLATE 477 local DEFLATE
373 478
374 einfo "Determining the usability of ZLIB_INFLATE support in your kernel" 479 einfo "Determining the usability of ZLIB_INFLATE support in your kernel"
375 480
376 ebegin "checking ZLIB_INFLATE" 481 ebegin "checking ZLIB_INFLATE"
377 getfilevar_isbuiltin CONFIG_ZLIB_INFLATE ${KV_DIR}/.config 482 getfilevar_isbuiltin CONFIG_ZLIB_INFLATE ${KV_DIR}/.config
378 eend $? 483 eend $?
379 [ "$?" != 0 ] && die 484 [ "$?" != 0 ] && die
380 485
381 ebegin "checking ZLIB_DEFLATE" 486 ebegin "checking ZLIB_DEFLATE"
382 getfilevar_isbuiltin CONFIG_ZLIB_DEFLATE ${KV_DIR}/.config 487 getfilevar_isbuiltin CONFIG_ZLIB_DEFLATE ${KV_DIR}/.config
383 eend $? 488 eend $?
384 [ "$?" != 0 ] && die 489 [ "$?" != 0 ] && die
385 490
386
387 local LINENO_START 491 local LINENO_START
388 local LINENO_END 492 local LINENO_END
389 local SYMBOLS 493 local SYMBOLS
390 local x 494 local x
391 495
392 LINENO_END="$(grep -n 'CONFIG_ZLIB_INFLATE y' ${KV_DIR}/lib/Config.in | cut -d : -f 1)" 496 LINENO_END="$(grep -n 'CONFIG_ZLIB_INFLATE y' ${KV_DIR}/lib/Config.in | cut -d : -f 1)"
393 LINENO_START="$(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)"
394 (( LINENO_AMOUNT = $LINENO_END - $LINENO_START )) 498 (( LINENO_AMOUNT = $LINENO_END - $LINENO_START ))
395 (( LINENO_END = $LINENO_END - 1 )) 499 (( LINENO_END = $LINENO_END - 1 ))
396 SYMBOLS="$(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;')"
402 # we have a winner! 506 # we have a winner!
403 einfo "${x} ensures zlib is linked into your kernel - excellent" 507 einfo "${x} ensures zlib is linked into your kernel - excellent"
404 return 0 508 return 0
405 fi 509 fi
406 done 510 done
407 511
408 eerror 512 eerror
409 eerror "This kernel module requires ZLIB library support." 513 eerror "This kernel module requires ZLIB library support."
410 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"
411 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"
412 eerror "kernel." 516 eerror "kernel."
428################################ 532################################
429# Default pkg_setup 533# Default pkg_setup
430# Also used when inheriting linux-mod to force a get_version call 534# Also used when inheriting linux-mod to force a get_version call
431 535
432linux-info_pkg_setup() { 536linux-info_pkg_setup() {
433 get_version; 537 get_version || die "Unable to calculate Linux Kernel version"
434 [ -n "${CONFIG_CHECK}" ] && check_extra_config; 538 [ -n "${CONFIG_CHECK}" ] && check_extra_config;
435} 539}

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