/[gentoo-x86]/eclass/linux-info.eclass
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Revision 1.12 Revision 1.38
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 1.12 2004/12/28 20:05:45 johnm Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/linux-info.eclass,v 1.38 2006/01/20 14:27:47 dsd 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 $ECLASS"
54EXPORT_FUNCTIONS pkg_setup 55EXPORT_FUNCTIONS pkg_setup
55 56
56# Overwritable environment Var's 57# Overwritable environment Var's
57# --------------------------------------- 58# ---------------------------------------
58KERNEL_DIR="${KERNEL_DIR:-/usr/src/linux}" 59KERNEL_DIR="${KERNEL_DIR:-${ROOT}usr/src/linux}"
59 60
60 61
61# Pulled from eutils as it might be more useful only being here since 62# Bug fixes
62# very few ebuilds which dont use this eclass will ever ever use these functions 63# fix to bug #75034
63set_arch_to_kernel() {
64 export PORTAGE_ARCH="${ARCH}"
65 case ${ARCH} in 64case ${ARCH} in
66 x86) export ARCH="i386";; 65 ppc) BUILD_FIXES="${BUILD_FIXES} TOUT=${T}/.tmp_gas_check";;
67 amd64) export ARCH="x86_64";; 66 ppc64) BUILD_FIXES="${BUILD_FIXES} TOUT=${T}/.tmp_gas_check";;
68 hppa) export ARCH="parisc";;
69 mips) export ARCH="mips";;
70 *) export ARCH="${ARCH}";;
71 esac 67esac
72}
73 68
74# set's ARCH back to what portage expects 69# These are legacy wrappers for toolchain-funcs.
75set_arch_to_portage() { 70# I dont like them here, but oh well.
76 export ARCH="${PORTAGE_ARCH}" 71set_arch_to_kernel() { export ARCH="$(tc-arch-kernel)"; }
77} 72set_arch_to_portage() { export ARCH="$(tc-arch)"; }
78 73
79
80#
81# qeinfo "Message" 74# qeinfo "Message"
82# ------------------- 75# -------------------
83# qeinfo is a queit einfo call when EBUILD_PHASE 76# qeinfo is a quiet einfo call when EBUILD_PHASE
84# should not have visible output. 77# should not have visible output.
85# 78qout() {
86qeinfo() {
87 local outputmsg 79 local outputmsg type
80 type=${1}
81 shift
88 outputmsg="${@}" 82 outputmsg="${@}"
89 case "${EBUILD_PHASE}" in 83 case "${EBUILD_PHASE}" in
90 depend) unset outputmsg;; 84 depend) unset outputmsg;;
91 clean) unset outputmsg;; 85 clean) unset outputmsg;;
92 preinst) unset outputmsg;; 86 preinst) unset outputmsg;;
93 esac 87 esac
94 [ -n "${outputmsg}" ] && einfo "${outputmsg}" 88 [ -n "${outputmsg}" ] && ${type} "${outputmsg}"
95} 89}
96 90
97qeerror() { 91qeinfo() { qout einfo "${@}" ; }
98 local outputmsg 92qeerror() { qout eerror "${@}" ; }
99 outputmsg="${@}"
100 case "${EBUILD_PHASE}" in
101 depend) unset outputmsg;;
102 clean) unset outputmsg;;
103 preinst) unset outputmsg;;
104 esac
105 [ -n "${outputmsg}" ] && einfo "${outputmsg}"
106}
107
108
109 93
110# File Functions 94# File Functions
111# --------------------------------------- 95# ---------------------------------------
112 96
113# getfilevar accepts 2 vars as follows: 97# getfilevar accepts 2 vars as follows:
114# getfilevar <VARIABLE> <CONFIGFILE> 98# getfilevar <VARIABLE> <CONFIGFILE>
115 99
116getfilevar() { 100getfilevar() {
117local ERROR workingdir basefname basedname xarch 101local ERROR workingdir basefname basedname myARCH="${ARCH}"
118 ERROR=0 102 ERROR=0
119 103
120 [ -z "${1}" ] && ERROR=1 104 [ -z "${1}" ] && ERROR=1
121 [ ! -f "${2}" ] && ERROR=1 105 [ ! -f "${2}" ] && ERROR=1
122 106
123 if [ "${ERROR}" = 1 ] 107 if [ "${ERROR}" = 1 ]
124 then 108 then
125 ebeep
126 echo -e "\n" 109 echo -e "\n"
127 eerror "getfilevar requires 2 variables, with the second a valid file." 110 eerror "getfilevar requires 2 variables, with the second a valid file."
128 eerror " getfilevar <VARIABLE> <CONFIGFILE>" 111 eerror " getfilevar <VARIABLE> <CONFIGFILE>"
129 else 112 else
130 workingdir=${PWD} 113 workingdir="${PWD}"
131 basefname=$(basename ${2}) 114 basefname="$(basename ${2})"
132 basedname=$(dirname ${2}) 115 basedname="$(dirname ${2})"
133 xarch=${ARCH}
134 unset ARCH 116 unset ARCH
135 117
136 cd ${basedname} 118 cd "${basedname}"
137 echo -e "include ${basefname}\ne:\n\t@echo \$(${1})" | \ 119 echo -e "include ${basefname}\ne:\n\t@echo \$(${1})" | \
138 make -f - e 2>/dev/null 120 make ${BUILD_FIXES} -s -f - e 2>/dev/null
139 cd ${workingdir} 121 cd "${workingdir}"
140 122
141 ARCH=${xarch} 123 ARCH=${myARCH}
142 fi 124 fi
143} 125}
144 126
145linux_chkconfig_present() { 127linux_chkconfig_present() {
146local RESULT 128local RESULT
179# got the jist yet? 161# got the jist yet?
180 162
181kernel_is() { 163kernel_is() {
182 # if we haven't determined the version yet, we need too. 164 # if we haven't determined the version yet, we need too.
183 get_version; 165 get_version;
184 166 local operator test value x=0 y=0 z=0
185 local RESULT operator value test 167
186 RESULT=0 168 case ${1} in
187 169 lt) operator="-lt"; shift;;
170 gt) operator="-gt"; shift;;
171 le) operator="-le"; shift;;
172 ge) operator="-ge"; shift;;
173 eq) operator="-eq"; shift;;
188 operator="-eq" 174 *) operator="-eq";;
189 if [ "${1}" == "lt" ] 175 esac
190 then
191 operator="-lt"
192 shift
193 elif [ "${1}" == "gt" ]
194 then
195 operator="-gt"
196 shift
197 elif [ "${1}" == "le" ]
198 then
199 operator="-le"
200 shift
201 elif [ "${1}" == "ge" ]
202 then
203 operator="-ge"
204 shift
205 fi
206 176
207 if [ -n "${1}" ] 177 for x in ${@}; do
208 then 178 for((y=0; y<$((3 - ${#x})); y++)); do value="${value}0"; done
209 [ ${KV_MAJOR} ${operator} ${1} ] || RESULT=1 179 value="${value}${x}"
210 fi 180 z=$((${z} + 1))
211 if [ -n "${2}" ] 181
212 then 182 case ${z} in
213 [ ${KV_MINOR} ${operator} ${2} -a ${RESULT} -eq 0 ] || RESULT=1 183 1) for((y=0; y<$((3 - ${#KV_MAJOR})); y++)); do test="${test}0"; done;
214 fi 184 test="${test}${KV_MAJOR}";;
215 if [ -n "${3}" ] 185 2) for((y=0; y<$((3 - ${#KV_MINOR})); y++)); do test="${test}0"; done;
216 then 186 test="${test}${KV_MINOR}";;
217 [ ${KV_PATCH} ${operator} ${3} -a ${RESULT} -eq 0 ] || RESULT=1 187 3) for((y=0; y<$((3 - ${#KV_PATCH})); y++)); do test="${test}0"; done;
218 fi 188 test="${test}${KV_PATCH}";;
219 return ${RESULT} 189 *) die "Error in kernel-2_kernel_is(): Too many parameters.";;
190 esac
191 done
192
193 [ ${test} ${operator} ${value} ] && return 0 || return 1
194}
195
196get_localversion() {
197 local lv_list i x
198
199 # ignore files with ~ in it.
200 for i in $(ls ${1}/localversion* 2>/dev/null); do
201 [[ -n ${i//*~*} ]] && lv_list="${lv_list} ${i}"
202 done
203
204 for i in ${lv_list}; do
205 x="${x}$(<${i})"
206 done
207 x=${x/ /}
208 echo ${x}
220} 209}
221 210
222get_version() { 211get_version() {
223 local kbuild_output 212 local kbuild_output
224 213
225 # no need to execute this twice assuming KV_FULL is populated. 214 # no need to execute this twice assuming KV_FULL is populated.
226 # we can force by unsetting KV_FULL 215 # we can force by unsetting KV_FULL
227 [ -n "${KV_FULL}" ] && return 216 [ -n "${KV_FULL}" ] && return 0
228 217
229 # if we dont know KV_FULL, then we need too. 218 # if we dont know KV_FULL, then we need too.
230 # make sure KV_DIR isnt set since we need to work it out via KERNEL_DIR 219 # make sure KV_DIR isnt set since we need to work it out via KERNEL_DIR
231 unset KV_DIR 220 unset KV_DIR
232 221
233 # KV_DIR will contain the full path to the sources directory we should use 222 # KV_DIR will contain the full path to the sources directory we should use
234 qeinfo "Determining the location of the kernel source code" 223 qeinfo "Determining the location of the kernel source code"
235 [ -h "${KERNEL_DIR}" ] && KV_DIR="$(readlink -f ${KERNEL_DIR})" 224 [ -h "${KERNEL_DIR}" ] && KV_DIR="$(readlink -f ${KERNEL_DIR})"
236 [ -d "${KERNEL_DIR}" ] && KV_DIR="${KERNEL_DIR}" 225 [ -d "${KERNEL_DIR}" ] && KV_DIR="${KERNEL_DIR}"
237 226
238 if [ -z "${KV_DIR}" ] 227 if [ -z "${KV_DIR}" ]
239 then 228 then
240 qeerror "Unable to find kernel sources at ${KERNEL_DIR}" 229 qeerror "Unable to find kernel sources at ${KERNEL_DIR}"
241 qeinfo "This package requires Linux sources." 230 qeinfo "This package requires Linux sources."
242 if [ "${KERNEL_DIR}" == "/usr/src/linux" ] ; then 231 if [ "${KERNEL_DIR}" == "/usr/src/linux" ] ; then
244 qeinfo "(or the kernel you wish to build against)." 233 qeinfo "(or the kernel you wish to build against)."
245 qeinfo "Alternatively, set the KERNEL_DIR environment variable to the kernel sources location" 234 qeinfo "Alternatively, set the KERNEL_DIR environment variable to the kernel sources location"
246 else 235 else
247 qeinfo "Please ensure that the KERNEL_DIR environment variable points at full Linux sources of the kernel you wish to compile against." 236 qeinfo "Please ensure that the KERNEL_DIR environment variable points at full Linux sources of the kernel you wish to compile against."
248 fi 237 fi
249 die "Cannot locate Linux sources at ${KERNEL_DIR}" 238 return 1
250 fi 239 fi
251 240
252 qeinfo "Found kernel source directory:" 241 qeinfo "Found kernel source directory:"
253 qeinfo " ${KV_DIR}" 242 qeinfo " ${KV_DIR}"
254 243
255 if [ ! -s "${KV_DIR}/Makefile" ] 244 if [ ! -s "${KV_DIR}/Makefile" ]
256 then 245 then
257 qeerror "Could not find a Makefile in the kernel source directory." 246 qeerror "Could not find a Makefile in the kernel source directory."
258 qeerror "Please ensure that ${KERNEL_DIR} points to a complete set of Linux sources" 247 qeerror "Please ensure that ${KERNEL_DIR} points to a complete set of Linux sources"
259 die "Makefile not found in ${KV_DIR}" 248 return 1
260 fi 249 fi
261 250
262 # OK so now we know our sources directory, but they might be using 251 # OK so now we know our sources directory, but they might be using
263 # KBUILD_OUTPUT, and we need this for .config and localversions-* 252 # KBUILD_OUTPUT, and we need this for .config and localversions-*
264 # so we better find it eh? 253 # so we better find it eh?
265 # do we pass KBUILD_OUTPUT on the CLI? 254 # do we pass KBUILD_OUTPUT on the CLI?
266 OUTPUT_DIR="${OUTPUT_DIR:-${KBUILD_OUTPUT}}" 255 OUTPUT_DIR="${OUTPUT_DIR:-${KBUILD_OUTPUT}}"
267 256
268 # And if we didn't pass it, we can take a nosey in the Makefile 257 # And if we didn't pass it, we can take a nosey in the Makefile
269 kbuild_output="$(getfilevar KBUILD_OUTPUT ${KV_DIR}/Makefile)" 258 kbuild_output="$(getfilevar KBUILD_OUTPUT ${KV_DIR}/Makefile)"
270 OUTPUT_DIR="${OUTPUT_DIR:-${kbuild_output}}" 259 OUTPUT_DIR="${OUTPUT_DIR:-${kbuild_output}}"
271 260
272 # And contrary to existing functions I feel we shouldn't trust the 261 # And contrary to existing functions I feel we shouldn't trust the
273 # directory name to find version information as this seems insane. 262 # directory name to find version information as this seems insane.
274 # so we parse ${KV_DIR}/Makefile 263 # so we parse ${KV_DIR}/Makefile
275 KV_MAJOR="$(getfilevar VERSION ${KV_DIR}/Makefile)" 264 KV_MAJOR="$(getfilevar VERSION ${KV_DIR}/Makefile)"
276 KV_MINOR="$(getfilevar PATCHLEVEL ${KV_DIR}/Makefile)" 265 KV_MINOR="$(getfilevar PATCHLEVEL ${KV_DIR}/Makefile)"
277 KV_PATCH="$(getfilevar SUBLEVEL ${KV_DIR}/Makefile)" 266 KV_PATCH="$(getfilevar SUBLEVEL ${KV_DIR}/Makefile)"
278 KV_EXTRA="$(getfilevar EXTRAVERSION ${KV_DIR}/Makefile)" 267 KV_EXTRA="$(getfilevar EXTRAVERSION ${KV_DIR}/Makefile)"
279 268
280 if [ -z "${KV_MAJOR}" -o -z "${KV_MINOR}" -o -z "${KV_PATCH}" ] 269 if [ -z "${KV_MAJOR}" -o -z "${KV_MINOR}" -o -z "${KV_PATCH}" ]
281 then 270 then
282 qeerror "Could not detect kernel version." 271 qeerror "Could not detect kernel version."
283 qeerror "Please ensure that ${KERNEL_DIR} points to a complete set of Linux sources" 272 qeerror "Please ensure that ${KERNEL_DIR} points to a complete set of Linux sources."
284 die "Could not parse version info from ${KV_DIR}/Makefile" 273 return 1
285 fi 274 fi
286 275
287 # and in newer versions we can also pull LOCALVERSION if it is set. 276 # and in newer versions we can also pull LOCALVERSION if it is set.
288 # but before we do this, we need to find if we use a different object directory. 277 # but before we do this, we need to find if we use a different object directory.
289 # This *WILL* break if the user is using localversions, but we assume it was 278 # This *WILL* break if the user is using localversions, but we assume it was
290 # caught before this if they are. 279 # caught before this if they are.
291 [ "${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}.${KV_EXTRA}" == "$(uname -r)" ] && \ 280 [ "${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}.${KV_EXTRA}" == "$(uname -r)" ] && \
295 [ -d "${OUTPUT_DIR}" ] && KV_OUT_DIR="${OUTPUT_DIR}" 284 [ -d "${OUTPUT_DIR}" ] && KV_OUT_DIR="${OUTPUT_DIR}"
296 if [ -n "${KV_OUT_DIR}" ]; 285 if [ -n "${KV_OUT_DIR}" ];
297 then 286 then
298 qeinfo "Found kernel object directory:" 287 qeinfo "Found kernel object directory:"
299 qeinfo " ${KV_OUT_DIR}" 288 qeinfo " ${KV_OUT_DIR}"
300 289
301 KV_LOCAL="$(cat ${KV_OUT_DIR}/localversion* 2>/dev/null)" 290 KV_LOCAL="$(get_localversion ${KV_OUT_DIR})"
302 fi 291 fi
303 # and if we STILL haven't got it, then we better just set it to KV_DIR 292 # and if we STILL haven't got it, then we better just set it to KV_DIR
304 KV_OUT_DIR="${KV_OUT_DIR:-${KV_DIR}}" 293 KV_OUT_DIR="${KV_OUT_DIR:-${KV_DIR}}"
305 294
306 KV_LOCAL="${KV_LOCAL}$(cat ${KV_DIR}/localversion* 2>/dev/null)" 295 KV_LOCAL="${KV_LOCAL}$(get_localversion ${KV_DIR})"
307 KV_LOCAL="${KV_LOCAL}$(linux_chkconfig_string LOCALVERSION)" 296 KV_LOCAL="${KV_LOCAL}$(linux_chkconfig_string LOCALVERSION)"
308 KV_LOCAL="${KV_LOCAL//\"/}" 297 KV_LOCAL="${KV_LOCAL//\"/}"
309 298
310 # And we should set KV_FULL to the full expanded version 299 # And we should set KV_FULL to the full expanded version
311 KV_FULL="${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}${KV_EXTRA}${KV_LOCAL}" 300 KV_FULL="${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}${KV_EXTRA}${KV_LOCAL}"
312 301
313 qeinfo "Found sources for kernel version:" 302 qeinfo "Found sources for kernel version:"
314 qeinfo " ${KV_FULL}" 303 qeinfo " ${KV_FULL}"
315 304
316 if [ ! -s "${KV_OUT_DIR}/.config" ] 305 if [ ! -s "${KV_OUT_DIR}/.config" ]
317 then 306 then
318 qeerror "Could not find a usable .config in the kernel source directory." 307 qeerror "Could not find a usable .config in the kernel source directory."
319 qeerror "Please ensure that ${KERNEL_DIR} points to a configured set of Linux sources." 308 qeerror "Please ensure that ${KERNEL_DIR} points to a configured set of Linux sources."
320 qeerror "If you are using KBUILD_OUTPUT, please set the environment var so that" 309 qeerror "If you are using KBUILD_OUTPUT, please set the environment var so that"
321 qeerror "it points to the necessary object directory so that it might find .config." 310 qeerror "it points to the necessary object directory so that it might find .config."
322 die ".config not found in ${KV_OUT_DIR}" 311 return 1
323 fi 312 fi
324}
325 313
314 return 0
315}
326 316
317get_running_version() {
318 KV_FULL=$(uname -r)
319
320 if [[ -f ${ROOT}/lib/modules/${KV_FULL}/source/Makefile ]]; then
321 KERNEL_DIR=$(readlink -f ${ROOT}/lib/modules/${KV_FULL}/source)
322 unset KV_FULL
323 get_version
324 return $?
325 elif [[ -f ${ROOT}/lib/modules/${KV_FULL}/build/Makefile ]]; then
326 KERNEL_DIR=$(readlink -f ${ROOT}/lib/modules/${KV_FULL}/build)
327 unset KV_FULL
328 get_version
329 return $?
330 else
331 KV_MAJOR=$(get_version_component_range 1 ${KV_FULL})
332 KV_MINOR=$(get_version_component_range 2 ${KV_FULL})
333 KV_PATCH=$(get_version_component_range 3- ${KV_FULL})
334 KV_PATCH=${KV_PATCH//-*}
335 [[ -n ${KV_FULL#*-} ]] && [[ -n ${KV_FULL//${KV_FULL#*-}} ]] \
336 && KV_EXTRA="-${KV_FULL#*-}"
337 fi
338 return 0
339}
327 340
328 341
329# ebuild check functions 342# ebuild check functions
330# --------------------------------------- 343# ---------------------------------------
331 344
332check_kernel_built() { 345check_kernel_built() {
333 # if we haven't determined the version yet, we need too. 346 # if we haven't determined the version yet, we need too.
334 get_version; 347 get_version;
335 348
336 if [ ! -f "${KV_OUT_DIR}/System.map" ] 349 if [ ! -f "${KV_OUT_DIR}/include/linux/version.h" ]
337 then 350 then
338 eerror "These sources have not yet been compiled." 351 eerror "These sources have not yet been prepared."
339 eerror "We cannot build against an uncompiled tree." 352 eerror "We cannot build against an unprepared tree."
340 eerror "To resolve this, please type the following:" 353 eerror "To resolve this, please type the following:"
341 eerror 354 eerror
342 eerror "# cd ${KV_DIR}" 355 eerror "# cd ${KV_DIR}"
343 eerror "# make oldconfig" 356 eerror "# make oldconfig"
344 eerror "# make bzImage modules modules_install" 357 eerror "# make modules_prepare"
345 eerror 358 eerror
346 eerror "Then please try merging this module again." 359 eerror "Then please try merging this module again."
347 die "Kernel sources need compiling first" 360 die "Kernel sources need compiling first"
348 fi 361 fi
349} 362}
350 363
351check_modules_supported() { 364check_modules_supported() {
352 # if we haven't determined the version yet, we need too. 365 # if we haven't determined the version yet, we need too.
353 get_version; 366 get_version;
354 367
355 if ! linux_chkconfig_builtin "MODULES" 368 if ! linux_chkconfig_builtin "MODULES"
356 then 369 then
357 eerror "These sources do not support loading external modules." 370 eerror "These sources do not support loading external modules."
358 eerror "to be able to use this module please enable \"Loadable modules support\"" 371 eerror "to be able to use this module please enable \"Loadable modules support\""
359 eerror "in your kernel, recompile and then try merging this module again." 372 eerror "in your kernel, recompile and then try merging this module again."
360 die "No support for external modules in ${KV_FULL} config" 373 die "No support for external modules in ${KV_FULL} config"
361 fi 374 fi
362} 375}
363 376
364check_extra_config() { 377check_extra_config() {
365local config negate error local_error 378 local config negate error local_error i n
379 local temp_config die reworkmodulenames
366 380
367 # if we haven't determined the version yet, we need too. 381 # if we haven't determined the version yet, we need too.
368 get_version; 382 get_version;
369 383
370 einfo "Checking for suitable kernel configuration options" 384 einfo "Checking for suitable kernel configuration options:"
371 for config in ${CONFIG_CHECK} 385 for config in ${CONFIG_CHECK}
372 do 386 do
373 negate="${config:0:1}" 387 # if we specify any fatal, ensure we honor them
374 if [ "${negate}" == "!" ]; 388 die=1
375 then 389 error=0
390 negate=0
391 reworkmodulenames=0
392
393 if [[ -z ${config//\!*} ]]; then
394 negate=1
376 config="${config:1}" 395 config=${config:1}
396 fi
397 if [[ -z ${config/\@*} ]]; then
398 die=2
399 reworkmodulenames=1
400 config=${config:1}
401 fi
402 if [[ -z ${config/\~*} ]]; then
403 die=0
404 config=${config:1}
405 fi
406
407 if [[ ${negate} == 1 ]]; then
408 linux_chkconfig_present ${config} && error=2
409 elif [[ ${reworkmodulenames} == 1 ]]; then
410 temp_config="${config//*:}"
411 config="${config//:*}"
377 if linux_chkconfig_present ${config} 412 if linux_chkconfig_present ${config}; then
378 then 413 for i in ${MODULE_NAMES}; do
379 local_error="${config}_ERROR" 414 n="${i//${temp_config}}"
380 local_error="${!local_error}" 415 [[ -z ${n//\(*} ]] && \
381 [ -n "${local_error}" ] && eerror " ${local_error}" || \ 416 MODULE_IGNORE="${MODULE_IGNORE} ${temp_config}"
382 eerror " CONFIG_${config}:\tshould not be set in the kernel configuration, but it is." 417 done
383 error=1 418 error=2
384 fi 419 fi
385 else 420 else
386 if ! linux_chkconfig_present ${config} 421 linux_chkconfig_present ${config} || error=1
387 then 422 fi
423
424 if [[ ${die} == 0 ]]; then
425 ebegin "CONFIG_${config}"
426 eend ${error}
427 else
428 if [[ ${error} > 0 ]]; then
388 local_error="${config}_ERROR" 429 local_error="ERROR_${config}"
389 local_error="${!local_error}" 430 local_error="${!local_error}"
390 [ -n "${local_error}" ] && eerror " ${local_error}" || \ 431
391 eerror " CONFIG_${config}:\tshould be set in the kernel configuration, but isn't" 432 if [[ -z "${local_error}" ]]; then
392 error=1 433 # using old, deprecated format.
434 local_error="${config}_ERROR"
435 local_error="${!local_error}"
436 fi
437
438 if [[ -z "${local_error}" ]]; then
439 [[ ${error} == 1 ]] \
440 && local_error="is not set when it should be." \
441 || local_error="should not be set. But it is."
442 local_error="CONFIG_${config}:\t ${local_error}"
443 fi
444 eerror " ${local_error}"
393 fi 445 fi
394 fi 446 fi
395 done 447 done
396 448
397 if [ -n "${error}" ] ; 449 if [[ ${error} > 0 ]]; then
398 then
399 eerror "Please check to make sure these options are set correctly." 450 eerror "Please check to make sure these options are set correctly."
451 eerror "Failure to do so may cause unexpected problems."
452 if [[ ${die} == 1 ]]; then
400 eerror "Once you have satisfied these options, please try merging" 453 eerror "Once you have satisfied these options, please try merging"
401 eerror "this package again." 454 eerror "this package again."
402 die "Incorrect kernel configuration options" 455 die "Incorrect kernel configuration options"
456 fi
403 fi 457 fi
404} 458}
405 459
406check_zlibinflate() { 460check_zlibinflate() {
407 # if we haven't determined the version yet, we need too. 461 # if we haven't determined the version yet, we need too.
408 get_version; 462 get_version;
409 463
410 # although I restructured this code - I really really really dont support it! 464 # although I restructured this code - I really really really dont support it!
411 465
412 # bug #27882 - zlib routines are only linked into the kernel 466 # bug #27882 - zlib routines are only linked into the kernel
413 # if something compiled into the kernel calls them 467 # if something compiled into the kernel calls them
414 # 468 #
415 # plus, for the cloop module, it appears that there's no way 469 # plus, for the cloop module, it appears that there's no way
416 # to get cloop.o to include a static zlib if CONFIG_MODVERSIONS 470 # to get cloop.o to include a static zlib if CONFIG_MODVERSIONS
417 # is on 471 # is on
418 472
419local INFLATE 473 local INFLATE
420local DEFLATE 474 local DEFLATE
421 475
422 einfo "Determining the usability of ZLIB_INFLATE support in your kernel" 476 einfo "Determining the usability of ZLIB_INFLATE support in your kernel"
423 477
424 ebegin "checking ZLIB_INFLATE" 478 ebegin "checking ZLIB_INFLATE"
425 getfilevar_isbuiltin CONFIG_ZLIB_INFLATE ${KV_DIR}/.config 479 getfilevar_isbuiltin CONFIG_ZLIB_INFLATE ${KV_DIR}/.config
426 eend $? 480 eend $?
427 [ "$?" != 0 ] && die 481 [ "$?" != 0 ] && die
428 482
429 ebegin "checking ZLIB_DEFLATE" 483 ebegin "checking ZLIB_DEFLATE"
430 getfilevar_isbuiltin CONFIG_ZLIB_DEFLATE ${KV_DIR}/.config 484 getfilevar_isbuiltin CONFIG_ZLIB_DEFLATE ${KV_DIR}/.config
431 eend $? 485 eend $?
432 [ "$?" != 0 ] && die 486 [ "$?" != 0 ] && die
433 487
434
435 local LINENO_START 488 local LINENO_START
436 local LINENO_END 489 local LINENO_END
437 local SYMBOLS 490 local SYMBOLS
438 local x 491 local x
439 492
440 LINENO_END="$(grep -n 'CONFIG_ZLIB_INFLATE y' ${KV_DIR}/lib/Config.in | cut -d : -f 1)" 493 LINENO_END="$(grep -n 'CONFIG_ZLIB_INFLATE y' ${KV_DIR}/lib/Config.in | cut -d : -f 1)"
441 LINENO_START="$(head -n $LINENO_END ${KV_DIR}/lib/Config.in | grep -n 'if \[' | tail -n 1 | cut -d : -f 1)" 494 LINENO_START="$(head -n $LINENO_END ${KV_DIR}/lib/Config.in | grep -n 'if \[' | tail -n 1 | cut -d : -f 1)"
442 (( LINENO_AMOUNT = $LINENO_END - $LINENO_START )) 495 (( LINENO_AMOUNT = $LINENO_END - $LINENO_START ))
443 (( LINENO_END = $LINENO_END - 1 )) 496 (( LINENO_END = $LINENO_END - 1 ))
444 SYMBOLS="$(head -n $LINENO_END ${KV_DIR}/lib/Config.in | tail -n $LINENO_AMOUNT | sed -e 's/^.*\(CONFIG_[^\" ]*\).*/\1/g;')" 497 SYMBOLS="$(head -n $LINENO_END ${KV_DIR}/lib/Config.in | tail -n $LINENO_AMOUNT | sed -e 's/^.*\(CONFIG_[^\" ]*\).*/\1/g;')"
450 # we have a winner! 503 # we have a winner!
451 einfo "${x} ensures zlib is linked into your kernel - excellent" 504 einfo "${x} ensures zlib is linked into your kernel - excellent"
452 return 0 505 return 0
453 fi 506 fi
454 done 507 done
455 508
456 eerror 509 eerror
457 eerror "This kernel module requires ZLIB library support." 510 eerror "This kernel module requires ZLIB library support."
458 eerror "You have enabled zlib support in your kernel, but haven't enabled" 511 eerror "You have enabled zlib support in your kernel, but haven't enabled"
459 eerror "enabled any option that will ensure that zlib is linked into your" 512 eerror "enabled any option that will ensure that zlib is linked into your"
460 eerror "kernel." 513 eerror "kernel."
476################################ 529################################
477# Default pkg_setup 530# Default pkg_setup
478# Also used when inheriting linux-mod to force a get_version call 531# Also used when inheriting linux-mod to force a get_version call
479 532
480linux-info_pkg_setup() { 533linux-info_pkg_setup() {
481 get_version; 534 get_version || die "Unable to calculate Linux Kernel version"
482 [ -n "${CONFIG_CHECK}" ] && check_extra_config; 535 [ -n "${CONFIG_CHECK}" ] && check_extra_config;
483} 536}

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