/[gentoo-x86]/eclass/linux-info.eclass
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Revision 1.14 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 1.14 2004/12/29 11:22:41 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=${T}/.tmp_gas_check";;
68 hppa) export ARCH="parisc";;
69 mips) export ARCH="mips";;
70 *) export ARCH="${ARCH}";;
71 esac 70esac
72}
73 71
74# set's ARCH back to what portage expects 72# These are legacy wrappers for toolchain-funcs.
75set_arch_to_portage() { 73# I dont like them here, but oh well.
76 export ARCH="${PORTAGE_ARCH}" 74set_arch_to_kernel() { export ARCH="$(tc-arch-kernel)"; }
77} 75set_arch_to_portage() { export ARCH="$(tc-arch)"; }
78 76
79
80#
81# qeinfo "Message" 77# qeinfo "Message"
82# ------------------- 78# -------------------
83# qeinfo is a queit einfo call when EBUILD_PHASE 79# qeinfo is a quiet einfo call when EBUILD_PHASE
84# should not have visible output. 80# should not have visible output.
85# 81qout() {
86qeinfo() {
87 local outputmsg 82 local outputmsg type
83 type=${1}
84 shift
88 outputmsg="${@}" 85 outputmsg="${@}"
89 case "${EBUILD_PHASE}" in 86 case "${EBUILD_PHASE}" in
90 depend) unset outputmsg;; 87 depend) unset outputmsg;;
91 clean) unset outputmsg;; 88 clean) unset outputmsg;;
92 preinst) unset outputmsg;; 89 preinst) unset outputmsg;;
93 esac 90 esac
94 [ -n "${outputmsg}" ] && einfo "${outputmsg}" 91 [ -n "${outputmsg}" ] && ${type} "${outputmsg}"
95} 92}
96 93
97qeerror() { 94qeinfo() { qout einfo "${@}" ; }
98 local outputmsg 95qeerror() { qout eerror "${@}" ; }
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 96
110# File Functions 97# File Functions
111# --------------------------------------- 98# ---------------------------------------
112 99
113# getfilevar accepts 2 vars as follows: 100# getfilevar accepts 2 vars as follows:
114# getfilevar <VARIABLE> <CONFIGFILE> 101# getfilevar <VARIABLE> <CONFIGFILE>
115 102
116getfilevar() { 103getfilevar() {
117local ERROR workingdir basefname basedname xarch 104local ERROR workingdir basefname basedname myARCH="${ARCH}"
118 ERROR=0 105 ERROR=0
119 106
120 [ -z "${1}" ] && ERROR=1 107 [ -z "${1}" ] && ERROR=1
121 [ ! -f "${2}" ] && ERROR=1 108 [ ! -f "${2}" ] && ERROR=1
122 109
123 if [ "${ERROR}" = 1 ] 110 if [ "${ERROR}" = 1 ]
124 then 111 then
125 ebeep
126 echo -e "\n" 112 echo -e "\n"
127 eerror "getfilevar requires 2 variables, with the second a valid file." 113 eerror "getfilevar requires 2 variables, with the second a valid file."
128 eerror " getfilevar <VARIABLE> <CONFIGFILE>" 114 eerror " getfilevar <VARIABLE> <CONFIGFILE>"
129 else 115 else
130 workingdir=${PWD} 116 workingdir="${PWD}"
131 basefname=$(basename ${2}) 117 basefname="$(basename ${2})"
132 basedname=$(dirname ${2}) 118 basedname="$(dirname ${2})"
133 xarch=${ARCH}
134 unset ARCH 119 unset ARCH
135 120
136 cd ${basedname} 121 cd "${basedname}"
137 echo -e "include ${basefname}\ne:\n\t@echo \$(${1})" | \ 122 echo -e "include ${basefname}\ne:\n\t@echo \$(${1})" | \
138 make -f - e 2>/dev/null 123 make ${BUILD_FIXES} -s -f - e 2>/dev/null
139 cd ${workingdir} 124 cd "${workingdir}"
140 125
141 ARCH=${xarch} 126 ARCH=${myARCH}
142 fi 127 fi
143} 128}
144 129
145linux_chkconfig_present() { 130linux_chkconfig_present() {
146local RESULT 131local RESULT
179# got the jist yet? 164# got the jist yet?
180 165
181kernel_is() { 166kernel_is() {
182 # if we haven't determined the version yet, we need too. 167 # if we haven't determined the version yet, we need too.
183 get_version; 168 get_version;
184 169 local operator test value x=0 y=0 z=0
185 local RESULT operator test value
186 RESULT=0
187
188 operator="="
189 if [ "${1}" == "lt" ]
190 then
191 operator="-lt"
192 shift
193 elif [ "${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
206 170
207 if [ -n "${1}" ] 171 case ${1} in
208 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
209 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;
210 test="${test}${KV_MAJOR}" 187 test="${test}${KV_MAJOR}";;
211 fi 188 2) for((y=0; y<$((3 - ${#KV_MINOR})); y++)); do test="${test}0"; done;
212 if [ -n "${2}" ]
213 then
214 value="${value}${2}"
215 test="${test}${KV_MINOR}" 189 test="${test}${KV_MINOR}";;
216 fi 190 3) for((y=0; y<$((3 - ${#KV_PATCH})); y++)); do test="${test}0"; done;
217 if [ -n "${3}" ]
218 then
219 value="${value}${3}"
220 test="${test}${KV_PATCH}" 191 test="${test}${KV_PATCH}";;
221 fi 192 *) die "Error in kernel-2_kernel_is(): Too many parameters.";;
222 193 esac
194 done
195
223 [ ${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 ${x}
224} 212}
225 213
226get_version() { 214get_version() {
227 local kbuild_output 215 local kbuild_output
228 216
229 # no need to execute this twice assuming KV_FULL is populated. 217 # no need to execute this twice assuming KV_FULL is populated.
230 # we can force by unsetting KV_FULL 218 # we can force by unsetting KV_FULL
231 [ -n "${KV_FULL}" ] && return 219 [ -n "${KV_FULL}" ] && return 0
232 220
233 # if we dont know KV_FULL, then we need too. 221 # if we dont know KV_FULL, then we need too.
234 # make sure KV_DIR isnt set since we need to work it out via KERNEL_DIR 222 # make sure KV_DIR isnt set since we need to work it out via KERNEL_DIR
235 unset KV_DIR 223 unset KV_DIR
236 224
237 # KV_DIR will contain the full path to the sources directory we should use 225 # KV_DIR will contain the full path to the sources directory we should use
238 qeinfo "Determining the location of the kernel source code" 226 qeinfo "Determining the location of the kernel source code"
239 [ -h "${KERNEL_DIR}" ] && KV_DIR="$(readlink -f ${KERNEL_DIR})" 227 [ -h "${KERNEL_DIR}" ] && KV_DIR="$(readlink -f ${KERNEL_DIR})"
240 [ -d "${KERNEL_DIR}" ] && KV_DIR="${KERNEL_DIR}" 228 [ -d "${KERNEL_DIR}" ] && KV_DIR="${KERNEL_DIR}"
241 229
242 if [ -z "${KV_DIR}" ] 230 if [ -z "${KV_DIR}" ]
243 then 231 then
244 qeerror "Unable to find kernel sources at ${KERNEL_DIR}" 232 qeerror "Unable to find kernel sources at ${KERNEL_DIR}"
245 qeinfo "This package requires Linux sources." 233 qeinfo "This package requires Linux sources."
246 if [ "${KERNEL_DIR}" == "/usr/src/linux" ] ; then 234 if [ "${KERNEL_DIR}" == "/usr/src/linux" ] ; then
248 qeinfo "(or the kernel you wish to build against)." 236 qeinfo "(or the kernel you wish to build against)."
249 qeinfo "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"
250 else 238 else
251 qeinfo "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."
252 fi 240 fi
253 die "Cannot locate Linux sources at ${KERNEL_DIR}" 241 return 1
254 fi 242 fi
255 243
256 qeinfo "Found kernel source directory:" 244 qeinfo "Found kernel source directory:"
257 qeinfo " ${KV_DIR}" 245 qeinfo " ${KV_DIR}"
258 246
259 if [ ! -s "${KV_DIR}/Makefile" ] 247 if [ ! -s "${KV_DIR}/Makefile" ]
260 then 248 then
261 qeerror "Could not find a Makefile in the kernel source directory." 249 qeerror "Could not find a Makefile in the kernel source directory."
262 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"
263 die "Makefile not found in ${KV_DIR}" 251 return 1
264 fi 252 fi
265 253
266 # OK so now we know our sources directory, but they might be using 254 # OK so now we know our sources directory, but they might be using
267 # KBUILD_OUTPUT, and we need this for .config and localversions-* 255 # KBUILD_OUTPUT, and we need this for .config and localversions-*
268 # so we better find it eh? 256 # so we better find it eh?
269 # do we pass KBUILD_OUTPUT on the CLI? 257 # do we pass KBUILD_OUTPUT on the CLI?
270 OUTPUT_DIR="${OUTPUT_DIR:-${KBUILD_OUTPUT}}" 258 OUTPUT_DIR="${OUTPUT_DIR:-${KBUILD_OUTPUT}}"
271 259
272 # And if we didn't pass it, we can take a nosey in the Makefile 260 # And if we didn't pass it, we can take a nosey in the Makefile
273 kbuild_output="$(getfilevar KBUILD_OUTPUT ${KV_DIR}/Makefile)" 261 kbuild_output="$(getfilevar KBUILD_OUTPUT ${KV_DIR}/Makefile)"
274 OUTPUT_DIR="${OUTPUT_DIR:-${kbuild_output}}" 262 OUTPUT_DIR="${OUTPUT_DIR:-${kbuild_output}}"
275 263
276 # 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
277 # directory name to find version information as this seems insane. 265 # directory name to find version information as this seems insane.
278 # so we parse ${KV_DIR}/Makefile 266 # so we parse ${KV_DIR}/Makefile
279 KV_MAJOR="$(getfilevar VERSION ${KV_DIR}/Makefile)" 267 KV_MAJOR="$(getfilevar VERSION ${KV_DIR}/Makefile)"
280 KV_MINOR="$(getfilevar PATCHLEVEL ${KV_DIR}/Makefile)" 268 KV_MINOR="$(getfilevar PATCHLEVEL ${KV_DIR}/Makefile)"
281 KV_PATCH="$(getfilevar SUBLEVEL ${KV_DIR}/Makefile)" 269 KV_PATCH="$(getfilevar SUBLEVEL ${KV_DIR}/Makefile)"
282 KV_EXTRA="$(getfilevar EXTRAVERSION ${KV_DIR}/Makefile)" 270 KV_EXTRA="$(getfilevar EXTRAVERSION ${KV_DIR}/Makefile)"
283 271
284 if [ -z "${KV_MAJOR}" -o -z "${KV_MINOR}" -o -z "${KV_PATCH}" ] 272 if [ -z "${KV_MAJOR}" -o -z "${KV_MINOR}" -o -z "${KV_PATCH}" ]
285 then 273 then
286 qeerror "Could not detect kernel version." 274 qeerror "Could not detect kernel version."
287 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."
288 die "Could not parse version info from ${KV_DIR}/Makefile" 276 return 1
289 fi 277 fi
290 278
291 # and in newer versions we can also pull LOCALVERSION if it is set. 279 # and in newer versions we can also pull LOCALVERSION if it is set.
292 # but before we do this, we need to find if we use a different object directory. 280 # but before we do this, we need to find if we use a different object directory.
293 # This *WILL* break if the user is using localversions, but we assume it was 281 # This *WILL* break if the user is using localversions, but we assume it was
294 # caught before this if they are. 282 # caught before this if they are.
295 [ "${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}.${KV_EXTRA}" == "$(uname -r)" ] && \ 283 [ "${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}.${KV_EXTRA}" == "$(uname -r)" ] && \
299 [ -d "${OUTPUT_DIR}" ] && KV_OUT_DIR="${OUTPUT_DIR}" 287 [ -d "${OUTPUT_DIR}" ] && KV_OUT_DIR="${OUTPUT_DIR}"
300 if [ -n "${KV_OUT_DIR}" ]; 288 if [ -n "${KV_OUT_DIR}" ];
301 then 289 then
302 qeinfo "Found kernel object directory:" 290 qeinfo "Found kernel object directory:"
303 qeinfo " ${KV_OUT_DIR}" 291 qeinfo " ${KV_OUT_DIR}"
304 292
305 KV_LOCAL="$(cat ${KV_OUT_DIR}/localversion* 2>/dev/null)" 293 KV_LOCAL="$(get_localversion ${KV_OUT_DIR})"
306 fi 294 fi
307 # and if we STILL haven't got it, then we better just set it to KV_DIR 295 # and if we STILL haven't got it, then we better just set it to KV_DIR
308 KV_OUT_DIR="${KV_OUT_DIR:-${KV_DIR}}" 296 KV_OUT_DIR="${KV_OUT_DIR:-${KV_DIR}}"
309 297
310 KV_LOCAL="${KV_LOCAL}$(cat ${KV_DIR}/localversion* 2>/dev/null)" 298 KV_LOCAL="${KV_LOCAL}$(get_localversion ${KV_DIR})"
311 KV_LOCAL="${KV_LOCAL}$(linux_chkconfig_string LOCALVERSION)" 299 KV_LOCAL="${KV_LOCAL}$(linux_chkconfig_string LOCALVERSION)"
312 KV_LOCAL="${KV_LOCAL//\"/}" 300 KV_LOCAL="${KV_LOCAL//\"/}"
313 301
314 # And we should set KV_FULL to the full expanded version 302 # And we should set KV_FULL to the full expanded version
315 KV_FULL="${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}${KV_EXTRA}${KV_LOCAL}" 303 KV_FULL="${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}${KV_EXTRA}${KV_LOCAL}"
316 304
317 qeinfo "Found sources for kernel version:" 305 qeinfo "Found sources for kernel version:"
318 qeinfo " ${KV_FULL}" 306 qeinfo " ${KV_FULL}"
319 307
320 if [ ! -s "${KV_OUT_DIR}/.config" ] 308 if [ ! -s "${KV_OUT_DIR}/.config" ]
321 then 309 then
322 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."
323 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."
324 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"
325 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."
326 die ".config not found in ${KV_OUT_DIR}" 314 return 1
327 fi 315 fi
328}
329 316
317 return 0
318}
330 319
320get_running_version() {
321 KV_FULL=$(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="-${KV_FULL#*-}"
340 fi
341 return 0
342}
331 343
332 344
333# ebuild check functions 345# ebuild check functions
334# --------------------------------------- 346# ---------------------------------------
335 347
336check_kernel_built() { 348check_kernel_built() {
337 # if we haven't determined the version yet, we need too. 349 # if we haven't determined the version yet, we need too.
338 get_version; 350 get_version;
339 351
340 if [ ! -f "${KV_OUT_DIR}/System.map" ] 352 if [ ! -f "${KV_OUT_DIR}/include/linux/version.h" ]
341 then 353 then
342 eerror "These sources have not yet been compiled." 354 eerror "These sources have not yet been prepared."
343 eerror "We cannot build against an uncompiled tree." 355 eerror "We cannot build against an unprepared tree."
344 eerror "To resolve this, please type the following:" 356 eerror "To resolve this, please type the following:"
345 eerror 357 eerror
346 eerror "# cd ${KV_DIR}" 358 eerror "# cd ${KV_DIR}"
347 eerror "# make oldconfig" 359 eerror "# make oldconfig"
348 eerror "# make bzImage modules modules_install" 360 eerror "# make modules_prepare"
349 eerror 361 eerror
350 eerror "Then please try merging this module again." 362 eerror "Then please try merging this module again."
351 die "Kernel sources need compiling first" 363 die "Kernel sources need compiling first"
352 fi 364 fi
353} 365}
354 366
355check_modules_supported() { 367check_modules_supported() {
356 # if we haven't determined the version yet, we need too. 368 # if we haven't determined the version yet, we need too.
357 get_version; 369 get_version;
358 370
359 if ! linux_chkconfig_builtin "MODULES" 371 if ! linux_chkconfig_builtin "MODULES"
360 then 372 then
361 eerror "These sources do not support loading external modules." 373 eerror "These sources do not support loading external modules."
362 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\""
363 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."
364 die "No support for external modules in ${KV_FULL} config" 376 die "No support for external modules in ${KV_FULL} config"
365 fi 377 fi
366} 378}
367 379
368check_extra_config() { 380check_extra_config() {
369local config negate error local_error 381 local config negate error local_error i n
382 local temp_config die reworkmodulenames
370 383
371 # if we haven't determined the version yet, we need too. 384 # if we haven't determined the version yet, we need too.
372 get_version; 385 get_version;
373 386
374 einfo "Checking for suitable kernel configuration options" 387 einfo "Checking for suitable kernel configuration options:"
375 for config in ${CONFIG_CHECK} 388 for config in ${CONFIG_CHECK}
376 do 389 do
377 negate="${config:0:1}" 390 # if we specify any fatal, ensure we honor them
378 if [ "${negate}" == "!" ]; 391 die=1
379 then 392 error=0
393 negate=0
394 reworkmodulenames=0
395
396 if [[ -z ${config//\!*} ]]; then
397 negate=1
380 config="${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//:*}"
381 if linux_chkconfig_present ${config} 415 if linux_chkconfig_present ${config}; then
382 then 416 for i in ${MODULE_NAMES}; do
383 local_error="${config}_ERROR" 417 n="${i//${temp_config}}"
384 local_error="${!local_error}" 418 [[ -z ${n//\(*} ]] && \
385 [ -n "${local_error}" ] && eerror " ${local_error}" || \ 419 MODULE_IGNORE="${MODULE_IGNORE} ${temp_config}"
386 eerror " CONFIG_${config}:\tshould not be set in the kernel configuration, but it is." 420 done
387 error=1 421 error=2
388 fi 422 fi
389 else 423 else
390 if ! linux_chkconfig_present ${config} 424 linux_chkconfig_present ${config} || error=1
391 then 425 fi
426
427 if [[ ${die} == 0 ]]; then
428 ebegin "CONFIG_${config}"
429 eend ${error}
430 else
431 if [[ ${error} > 0 ]]; then
392 local_error="${config}_ERROR" 432 local_error="ERROR_${config}"
393 local_error="${!local_error}" 433 local_error="${!local_error}"
394 [ -n "${local_error}" ] && eerror " ${local_error}" || \ 434
395 eerror " CONFIG_${config}:\tshould be set in the kernel configuration, but isn't" 435 if [[ -z "${local_error}" ]]; then
396 error=1 436 # using old, deprecated format.
437 local_error="${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 " ${local_error}"
397 fi 448 fi
398 fi 449 fi
399 done 450 done
400 451
401 if [ -n "${error}" ] ; 452 if [[ ${error} > 0 ]]; then
402 then
403 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
404 eerror "Once you have satisfied these options, please try merging" 456 eerror "Once you have satisfied these options, please try merging"
405 eerror "this package again." 457 eerror "this package again."
406 die "Incorrect kernel configuration options" 458 die "Incorrect kernel configuration options"
459 fi
407 fi 460 fi
408} 461}
409 462
410check_zlibinflate() { 463check_zlibinflate() {
411 # if we haven't determined the version yet, we need too. 464 # if we haven't determined the version yet, we need too.
412 get_version; 465 get_version;
413 466
414 # 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!
415 468
416 # bug #27882 - zlib routines are only linked into the kernel 469 # bug #27882 - zlib routines are only linked into the kernel
417 # if something compiled into the kernel calls them 470 # if something compiled into the kernel calls them
418 # 471 #
419 # 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
420 # 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
421 # is on 474 # is on
422 475
423local INFLATE 476 local INFLATE
424local DEFLATE 477 local DEFLATE
425 478
426 einfo "Determining the usability of ZLIB_INFLATE support in your kernel" 479 einfo "Determining the usability of ZLIB_INFLATE support in your kernel"
427 480
428 ebegin "checking ZLIB_INFLATE" 481 ebegin "checking ZLIB_INFLATE"
429 getfilevar_isbuiltin CONFIG_ZLIB_INFLATE ${KV_DIR}/.config 482 getfilevar_isbuiltin CONFIG_ZLIB_INFLATE ${KV_DIR}/.config
430 eend $? 483 eend $?
431 [ "$?" != 0 ] && die 484 [ "$?" != 0 ] && die
432 485
433 ebegin "checking ZLIB_DEFLATE" 486 ebegin "checking ZLIB_DEFLATE"
434 getfilevar_isbuiltin CONFIG_ZLIB_DEFLATE ${KV_DIR}/.config 487 getfilevar_isbuiltin CONFIG_ZLIB_DEFLATE ${KV_DIR}/.config
435 eend $? 488 eend $?
436 [ "$?" != 0 ] && die 489 [ "$?" != 0 ] && die
437 490
438
439 local LINENO_START 491 local LINENO_START
440 local LINENO_END 492 local LINENO_END
441 local SYMBOLS 493 local SYMBOLS
442 local x 494 local x
443 495
444 LINENO_END="$(grep -n 'CONFIG_ZLIB_INFLATE y' ${KV_DIR}/lib/Config.in | cut -d : -f 1)" 496 LINENO_END="$(grep -n 'CONFIG_ZLIB_INFLATE y' ${KV_DIR}/lib/Config.in | cut -d : -f 1)"
445 LINENO_START="$(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)"
446 (( LINENO_AMOUNT = $LINENO_END - $LINENO_START )) 498 (( LINENO_AMOUNT = $LINENO_END - $LINENO_START ))
447 (( LINENO_END = $LINENO_END - 1 )) 499 (( LINENO_END = $LINENO_END - 1 ))
448 SYMBOLS="$(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;')"
454 # we have a winner! 506 # we have a winner!
455 einfo "${x} ensures zlib is linked into your kernel - excellent" 507 einfo "${x} ensures zlib is linked into your kernel - excellent"
456 return 0 508 return 0
457 fi 509 fi
458 done 510 done
459 511
460 eerror 512 eerror
461 eerror "This kernel module requires ZLIB library support." 513 eerror "This kernel module requires ZLIB library support."
462 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"
463 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"
464 eerror "kernel." 516 eerror "kernel."
480################################ 532################################
481# Default pkg_setup 533# Default pkg_setup
482# 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
483 535
484linux-info_pkg_setup() { 536linux-info_pkg_setup() {
485 get_version; 537 get_version || die "Unable to calculate Linux Kernel version"
486 [ -n "${CONFIG_CHECK}" ] && check_extra_config; 538 [ -n "${CONFIG_CHECK}" ] && check_extra_config;
487} 539}

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