/[gentoo-x86]/eclass/linux-info.eclass
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Revision 1.17 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 1.17 2005/01/15 21:19:02 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# Bug fixes 65# Bug fixes
62
63# fix to bug #75034 66# fix to bug #75034
64case ${ARCH} in 67case ${ARCH} in
65 ppc) BUILD_FIXES="${BUILD_FIXES} TOUT=${T}/.tmp_gas_check";; 68 ppc) BUILD_FIXES="${BUILD_FIXES} TOUT=${T}/.tmp_gas_check";;
66 ppc64) BUILD_FIXES="${BUILD_FIXES} TOUT=${T}/.tmp_gas_check";; 69 ppc64) BUILD_FIXES="${BUILD_FIXES} TOUT=${T}/.tmp_gas_check";;
67esac 70esac
68 71
69# Pulled from eutils as it might be more useful only being here since 72# These are legacy wrappers for toolchain-funcs.
70# very few ebuilds which dont use this eclass will ever ever use these functions 73# I dont like them here, but oh well.
71set_arch_to_kernel() { 74set_arch_to_kernel() { export ARCH="$(tc-arch-kernel)"; }
72 export PORTAGE_ARCH="${ARCH}" 75set_arch_to_portage() { export ARCH="$(tc-arch)"; }
73 case ${ARCH} in
74 x86) export ARCH="i386";;
75 amd64) export ARCH="x86_64";;
76 hppa) export ARCH="parisc";;
77 mips) export ARCH="mips";;
78 *) export ARCH="${ARCH}";;
79 esac
80}
81 76
82# set's ARCH back to what portage expects
83set_arch_to_portage() {
84 export ARCH="${PORTAGE_ARCH}"
85}
86
87
88#
89# qeinfo "Message" 77# qeinfo "Message"
90# ------------------- 78# -------------------
91# qeinfo is a queit einfo call when EBUILD_PHASE 79# qeinfo is a quiet einfo call when EBUILD_PHASE
92# should not have visible output. 80# should not have visible output.
93# 81qout() {
94qeinfo() {
95 local outputmsg 82 local outputmsg type
83 type=${1}
84 shift
96 outputmsg="${@}" 85 outputmsg="${@}"
97 case "${EBUILD_PHASE}" in 86 case "${EBUILD_PHASE}" in
98 depend) unset outputmsg;; 87 depend) unset outputmsg;;
99 clean) unset outputmsg;; 88 clean) unset outputmsg;;
100 preinst) unset outputmsg;; 89 preinst) unset outputmsg;;
101 esac 90 esac
102 [ -n "${outputmsg}" ] && einfo "${outputmsg}" 91 [ -n "${outputmsg}" ] && ${type} "${outputmsg}"
103} 92}
104 93
105qeerror() { 94qeinfo() { qout einfo "${@}" ; }
106 local outputmsg 95qeerror() { qout eerror "${@}" ; }
107 outputmsg="${@}"
108 case "${EBUILD_PHASE}" in
109 depend) unset outputmsg;;
110 clean) unset outputmsg;;
111 preinst) unset outputmsg;;
112 esac
113 [ -n "${outputmsg}" ] && einfo "${outputmsg}"
114}
115
116
117 96
118# File Functions 97# File Functions
119# --------------------------------------- 98# ---------------------------------------
120 99
121# getfilevar accepts 2 vars as follows: 100# getfilevar accepts 2 vars as follows:
122# getfilevar <VARIABLE> <CONFIGFILE> 101# getfilevar <VARIABLE> <CONFIGFILE>
123 102
124getfilevar() { 103getfilevar() {
125local ERROR workingdir basefname basedname xarch 104local ERROR workingdir basefname basedname myARCH="${ARCH}"
126 ERROR=0 105 ERROR=0
127 106
128 [ -z "${1}" ] && ERROR=1 107 [ -z "${1}" ] && ERROR=1
129 [ ! -f "${2}" ] && ERROR=1 108 [ ! -f "${2}" ] && ERROR=1
130 109
131 if [ "${ERROR}" = 1 ] 110 if [ "${ERROR}" = 1 ]
132 then 111 then
133 ebeep
134 echo -e "\n" 112 echo -e "\n"
135 eerror "getfilevar requires 2 variables, with the second a valid file." 113 eerror "getfilevar requires 2 variables, with the second a valid file."
136 eerror " getfilevar <VARIABLE> <CONFIGFILE>" 114 eerror " getfilevar <VARIABLE> <CONFIGFILE>"
137 else 115 else
138 workingdir=${PWD} 116 workingdir="${PWD}"
139 basefname=$(basename ${2}) 117 basefname="$(basename ${2})"
140 basedname=$(dirname ${2}) 118 basedname="$(dirname ${2})"
141 xarch=${ARCH}
142 unset ARCH 119 unset ARCH
143 120
144 cd ${basedname} 121 cd "${basedname}"
145 echo -e "include ${basefname}\ne:\n\t@echo \$(${1})" | \ 122 echo -e "include ${basefname}\ne:\n\t@echo \$(${1})" | \
146 make ${BUILD_FIXES} -f - e 2>/dev/null 123 make ${BUILD_FIXES} -s -f - e 2>/dev/null
147 cd ${workingdir} 124 cd "${workingdir}"
148 125
149 ARCH=${xarch} 126 ARCH=${myARCH}
150 fi 127 fi
151} 128}
152 129
153linux_chkconfig_present() { 130linux_chkconfig_present() {
154local RESULT 131local RESULT
187# got the jist yet? 164# got the jist yet?
188 165
189kernel_is() { 166kernel_is() {
190 # if we haven't determined the version yet, we need too. 167 # if we haven't determined the version yet, we need too.
191 get_version; 168 get_version;
192 169 local operator test value x=0 y=0 z=0
193 local RESULT operator test value i len
194 RESULT=0
195
196 operator="="
197 if [ "${1}" == "lt" ]
198 then
199 operator="-lt"
200 shift
201 elif [ "${1}" == "gt" ]
202 then
203 operator="-gt"
204 shift
205 elif [ "${1}" == "le" ]
206 then
207 operator="-le"
208 shift
209 elif [ "${1}" == "ge" ]
210 then
211 operator="-ge"
212 shift
213 fi
214 170
215 if [ -n "${1}" ] 171 case ${1} in
216 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
217 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;
218 test="${test}${KV_MAJOR}" 187 test="${test}${KV_MAJOR}";;
219 fi 188 2) for((y=0; y<$((3 - ${#KV_MINOR})); y++)); do test="${test}0"; done;
220 if [ -n "${2}" ] 189 test="${test}${KV_MINOR}";;
221 then 190 3) for((y=0; y<$((3 - ${#KV_PATCH})); y++)); do test="${test}0"; done;
222 len=$[ 3 - ${#2} ] 191 test="${test}${KV_PATCH}";;
223 for((i=0; i<$len; i++)); do 192 *) die "Error in kernel-2_kernel_is(): Too many parameters.";;
224 value="${value}0" 193 esac
225 done 194 done
226 value="${value}${2}"
227 195
228 len=$[ 3 - ${#KV_MINOR} ]
229 for((i=0; i<$len; i++)); do
230 test="${test}0"
231 done
232 test="${test}${KV_MINOR}"
233 fi
234 if [ -n "${3}" ]
235 then
236 len=$[ 3 - ${#3} ]
237 for((i=0; i<$len; i++)); do
238 value="${value}0"
239 done
240 value="${value}${3}"
241
242 len=$[ 3 - ${#KV_PATCH} ]
243 for((i=0; i<$len; i++)); do
244 test="${test}0"
245 done
246 test="${test}${KV_PATCH}"
247 fi
248
249 [ ${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 ${x}
250} 212}
251 213
252get_version() { 214get_version() {
253 local kbuild_output 215 local kbuild_output
254 216
255 # no need to execute this twice assuming KV_FULL is populated. 217 # no need to execute this twice assuming KV_FULL is populated.
256 # we can force by unsetting KV_FULL 218 # we can force by unsetting KV_FULL
257 [ -n "${KV_FULL}" ] && return 219 [ -n "${KV_FULL}" ] && return 0
258 220
259 # if we dont know KV_FULL, then we need too. 221 # if we dont know KV_FULL, then we need too.
260 # make sure KV_DIR isnt set since we need to work it out via KERNEL_DIR 222 # make sure KV_DIR isnt set since we need to work it out via KERNEL_DIR
261 unset KV_DIR 223 unset KV_DIR
262 224
263 # KV_DIR will contain the full path to the sources directory we should use 225 # KV_DIR will contain the full path to the sources directory we should use
264 qeinfo "Determining the location of the kernel source code" 226 qeinfo "Determining the location of the kernel source code"
265 [ -h "${KERNEL_DIR}" ] && KV_DIR="$(readlink -f ${KERNEL_DIR})" 227 [ -h "${KERNEL_DIR}" ] && KV_DIR="$(readlink -f ${KERNEL_DIR})"
266 [ -d "${KERNEL_DIR}" ] && KV_DIR="${KERNEL_DIR}" 228 [ -d "${KERNEL_DIR}" ] && KV_DIR="${KERNEL_DIR}"
267 229
268 if [ -z "${KV_DIR}" ] 230 if [ -z "${KV_DIR}" ]
269 then 231 then
270 qeerror "Unable to find kernel sources at ${KERNEL_DIR}" 232 qeerror "Unable to find kernel sources at ${KERNEL_DIR}"
271 qeinfo "This package requires Linux sources." 233 qeinfo "This package requires Linux sources."
272 if [ "${KERNEL_DIR}" == "/usr/src/linux" ] ; then 234 if [ "${KERNEL_DIR}" == "/usr/src/linux" ] ; then
274 qeinfo "(or the kernel you wish to build against)." 236 qeinfo "(or the kernel you wish to build against)."
275 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"
276 else 238 else
277 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."
278 fi 240 fi
279 die "Cannot locate Linux sources at ${KERNEL_DIR}" 241 return 1
280 fi 242 fi
281 243
282 qeinfo "Found kernel source directory:" 244 qeinfo "Found kernel source directory:"
283 qeinfo " ${KV_DIR}" 245 qeinfo " ${KV_DIR}"
284 246
285 if [ ! -s "${KV_DIR}/Makefile" ] 247 if [ ! -s "${KV_DIR}/Makefile" ]
286 then 248 then
287 qeerror "Could not find a Makefile in the kernel source directory." 249 qeerror "Could not find a Makefile in the kernel source directory."
288 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"
289 die "Makefile not found in ${KV_DIR}" 251 return 1
290 fi 252 fi
291 253
292 # OK so now we know our sources directory, but they might be using 254 # OK so now we know our sources directory, but they might be using
293 # KBUILD_OUTPUT, and we need this for .config and localversions-* 255 # KBUILD_OUTPUT, and we need this for .config and localversions-*
294 # so we better find it eh? 256 # so we better find it eh?
295 # do we pass KBUILD_OUTPUT on the CLI? 257 # do we pass KBUILD_OUTPUT on the CLI?
296 OUTPUT_DIR="${OUTPUT_DIR:-${KBUILD_OUTPUT}}" 258 OUTPUT_DIR="${OUTPUT_DIR:-${KBUILD_OUTPUT}}"
297 259
298 # And if we didn't pass it, we can take a nosey in the Makefile 260 # And if we didn't pass it, we can take a nosey in the Makefile
299 kbuild_output="$(getfilevar KBUILD_OUTPUT ${KV_DIR}/Makefile)" 261 kbuild_output="$(getfilevar KBUILD_OUTPUT ${KV_DIR}/Makefile)"
300 OUTPUT_DIR="${OUTPUT_DIR:-${kbuild_output}}" 262 OUTPUT_DIR="${OUTPUT_DIR:-${kbuild_output}}"
301 263
302 # 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
303 # directory name to find version information as this seems insane. 265 # directory name to find version information as this seems insane.
304 # so we parse ${KV_DIR}/Makefile 266 # so we parse ${KV_DIR}/Makefile
305 KV_MAJOR="$(getfilevar VERSION ${KV_DIR}/Makefile)" 267 KV_MAJOR="$(getfilevar VERSION ${KV_DIR}/Makefile)"
306 KV_MINOR="$(getfilevar PATCHLEVEL ${KV_DIR}/Makefile)" 268 KV_MINOR="$(getfilevar PATCHLEVEL ${KV_DIR}/Makefile)"
307 KV_PATCH="$(getfilevar SUBLEVEL ${KV_DIR}/Makefile)" 269 KV_PATCH="$(getfilevar SUBLEVEL ${KV_DIR}/Makefile)"
308 KV_EXTRA="$(getfilevar EXTRAVERSION ${KV_DIR}/Makefile)" 270 KV_EXTRA="$(getfilevar EXTRAVERSION ${KV_DIR}/Makefile)"
309 271
310 if [ -z "${KV_MAJOR}" -o -z "${KV_MINOR}" -o -z "${KV_PATCH}" ] 272 if [ -z "${KV_MAJOR}" -o -z "${KV_MINOR}" -o -z "${KV_PATCH}" ]
311 then 273 then
312 qeerror "Could not detect kernel version." 274 qeerror "Could not detect kernel version."
313 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."
314 die "Could not parse version info from ${KV_DIR}/Makefile" 276 return 1
315 fi 277 fi
316 278
317 # and in newer versions we can also pull LOCALVERSION if it is set. 279 # and in newer versions we can also pull LOCALVERSION if it is set.
318 # but before we do this, we need to find if we use a different object directory. 280 # but before we do this, we need to find if we use a different object directory.
319 # This *WILL* break if the user is using localversions, but we assume it was 281 # This *WILL* break if the user is using localversions, but we assume it was
320 # caught before this if they are. 282 # caught before this if they are.
321 [ "${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}.${KV_EXTRA}" == "$(uname -r)" ] && \ 283 [ "${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}.${KV_EXTRA}" == "$(uname -r)" ] && \
325 [ -d "${OUTPUT_DIR}" ] && KV_OUT_DIR="${OUTPUT_DIR}" 287 [ -d "${OUTPUT_DIR}" ] && KV_OUT_DIR="${OUTPUT_DIR}"
326 if [ -n "${KV_OUT_DIR}" ]; 288 if [ -n "${KV_OUT_DIR}" ];
327 then 289 then
328 qeinfo "Found kernel object directory:" 290 qeinfo "Found kernel object directory:"
329 qeinfo " ${KV_OUT_DIR}" 291 qeinfo " ${KV_OUT_DIR}"
330 292
331 KV_LOCAL="$(cat ${KV_OUT_DIR}/localversion* 2>/dev/null)" 293 KV_LOCAL="$(get_localversion ${KV_OUT_DIR})"
332 fi 294 fi
333 # and if we STILL haven't got it, then we better just set it to KV_DIR 295 # and if we STILL haven't got it, then we better just set it to KV_DIR
334 KV_OUT_DIR="${KV_OUT_DIR:-${KV_DIR}}" 296 KV_OUT_DIR="${KV_OUT_DIR:-${KV_DIR}}"
335 297
336 KV_LOCAL="${KV_LOCAL}$(cat ${KV_DIR}/localversion* 2>/dev/null)" 298 KV_LOCAL="${KV_LOCAL}$(get_localversion ${KV_DIR})"
337 KV_LOCAL="${KV_LOCAL}$(linux_chkconfig_string LOCALVERSION)" 299 KV_LOCAL="${KV_LOCAL}$(linux_chkconfig_string LOCALVERSION)"
338 KV_LOCAL="${KV_LOCAL//\"/}" 300 KV_LOCAL="${KV_LOCAL//\"/}"
339 301
340 # And we should set KV_FULL to the full expanded version 302 # And we should set KV_FULL to the full expanded version
341 KV_FULL="${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}${KV_EXTRA}${KV_LOCAL}" 303 KV_FULL="${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}${KV_EXTRA}${KV_LOCAL}"
342 304
343 qeinfo "Found sources for kernel version:" 305 qeinfo "Found sources for kernel version:"
344 qeinfo " ${KV_FULL}" 306 qeinfo " ${KV_FULL}"
345 307
346 if [ ! -s "${KV_OUT_DIR}/.config" ] 308 if [ ! -s "${KV_OUT_DIR}/.config" ]
347 then 309 then
348 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."
349 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."
350 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"
351 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."
352 die ".config not found in ${KV_OUT_DIR}" 314 return 1
353 fi 315 fi
354}
355 316
317 return 0
318}
356 319
320get_running_version() {
321 KV_FULL=$(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="-${KV_FULL#*-}"
340 fi
341 return 0
342}
357 343
358 344
359# ebuild check functions 345# ebuild check functions
360# --------------------------------------- 346# ---------------------------------------
361 347
362check_kernel_built() { 348check_kernel_built() {
363 # if we haven't determined the version yet, we need too. 349 # if we haven't determined the version yet, we need too.
364 get_version; 350 get_version;
365 351
366 if [ ! -f "${KV_OUT_DIR}/include/linux/version.h" ] 352 if [ ! -f "${KV_OUT_DIR}/include/linux/version.h" ]
367 then 353 then
368 eerror "These sources have not yet been prepared." 354 eerror "These sources have not yet been prepared."
369 eerror "We cannot build against an unprepared tree." 355 eerror "We cannot build against an unprepared tree."
370 eerror "To resolve this, please type the following:" 356 eerror "To resolve this, please type the following:"
379} 365}
380 366
381check_modules_supported() { 367check_modules_supported() {
382 # if we haven't determined the version yet, we need too. 368 # if we haven't determined the version yet, we need too.
383 get_version; 369 get_version;
384 370
385 if ! linux_chkconfig_builtin "MODULES" 371 if ! linux_chkconfig_builtin "MODULES"
386 then 372 then
387 eerror "These sources do not support loading external modules." 373 eerror "These sources do not support loading external modules."
388 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\""
389 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."
390 die "No support for external modules in ${KV_FULL} config" 376 die "No support for external modules in ${KV_FULL} config"
391 fi 377 fi
392} 378}
393 379
394check_extra_config() { 380check_extra_config() {
395 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
396 383
397 # if we haven't determined the version yet, we need too. 384 # if we haven't determined the version yet, we need too.
398 get_version; 385 get_version;
399 386
400 einfo "Checking for suitable kernel configuration options" 387 einfo "Checking for suitable kernel configuration options:"
401 for config in ${CONFIG_CHECK} 388 for config in ${CONFIG_CHECK}
402 do 389 do
403 negate="${config:0:1}" 390 # if we specify any fatal, ensure we honor them
404 if [ "${negate}" == "!" ]; 391 die=1
405 then 392 error=0
393 negate=0
394 reworkmodulenames=0
395
396 if [[ -z ${config//\!*} ]]; then
397 negate=1
406 config="${config:1}" 398 config=${config:1}
407 if linux_chkconfig_present ${config}
408 then
409 local_error="${config}_ERROR"
410 local_error="${!local_error}"
411 [ -n "${local_error}" ] && eerror " ${local_error}" || \
412 eerror " CONFIG_${config}:\tshould not be set in the kernel configuration, but it is."
413 error=1
414 fi 399 fi
415 elif [ "${negate}" == "@" ]; 400 if [[ -z ${config/\@*} ]]; then
416 then 401 die=2
417 # we never call this unless we are using MODULE_NAMES 402 reworkmodulenames=1
418
419 config="${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 [[ ${reworkmodulenames} == 1 ]]; then
420 temp_config="${config//*:}" 413 temp_config="${config//*:}"
421 config="${config//:*}" 414 config="${config//:*}"
422 if linux_chkconfig_present ${config} 415 if linux_chkconfig_present ${config}; then
423 then
424 local_error="${config}_ERROR"
425 local_error="${!local_error}"
426 [ -n "${local_error}" ] && eerror " ${local_error}" || \
427 eerror " CONFIG_${config}:\tshould not be set in the kernel configuration, but it is."
428
429 for i in ${MODULE_NAMES} 416 for i in ${MODULE_NAMES}; do
430 do
431 n="${i//${temp_config}}" 417 n="${i//${temp_config}}"
432 [ -z "${n//(*}" ] && MODULE_IGNORE="${MODULE_IGNORE} ${i}" 418 [[ -z ${n//\(*} ]] && \
419 MODULE_IGNORE="${MODULE_IGNORE} ${temp_config}"
433 done 420 done
434 error=0 421 error=2
435 fi 422 fi
436 else 423 else
437 if ! linux_chkconfig_present ${config} 424 linux_chkconfig_present ${config} || error=1
438 then 425 fi
426
427 if [[ ${die} == 0 ]]; then
428 ebegin "CONFIG_${config}"
429 eend ${error}
430 else
431 if [[ ${error} > 0 ]]; then
439 local_error="${config}_ERROR" 432 local_error="ERROR_${config}"
440 local_error="${!local_error}" 433 local_error="${!local_error}"
441 [ -n "${local_error}" ] && eerror " ${local_error}" || \ 434
442 eerror " CONFIG_${config}:\tshould be set in the kernel configuration, but isn't" 435 if [[ -z "${local_error}" ]]; then
443 error=1 436 # using old, deprecated format.
437 local_error="${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 " ${local_error}"
444 fi 448 fi
445 fi 449 fi
446 done 450 done
447 451
448 if [ "${error}" == 1 ] ; 452 if [[ ${error} > 0 ]]; then
449 then
450 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
451 eerror "Once you have satisfied these options, please try merging" 456 eerror "Once you have satisfied these options, please try merging"
452 eerror "this package again." 457 eerror "this package again."
453 die "Incorrect kernel configuration options" 458 die "Incorrect kernel configuration options"
459 fi
454 fi 460 fi
455} 461}
456 462
457check_zlibinflate() { 463check_zlibinflate() {
458 # if we haven't determined the version yet, we need too. 464 # if we haven't determined the version yet, we need too.
459 get_version; 465 get_version;
460 466
461 # 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!
462 468
463 # bug #27882 - zlib routines are only linked into the kernel 469 # bug #27882 - zlib routines are only linked into the kernel
464 # if something compiled into the kernel calls them 470 # if something compiled into the kernel calls them
465 # 471 #
466 # 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
467 # 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
468 # is on 474 # is on
469 475
470local INFLATE 476 local INFLATE
471local DEFLATE 477 local DEFLATE
472 478
473 einfo "Determining the usability of ZLIB_INFLATE support in your kernel" 479 einfo "Determining the usability of ZLIB_INFLATE support in your kernel"
474 480
475 ebegin "checking ZLIB_INFLATE" 481 ebegin "checking ZLIB_INFLATE"
476 getfilevar_isbuiltin CONFIG_ZLIB_INFLATE ${KV_DIR}/.config 482 getfilevar_isbuiltin CONFIG_ZLIB_INFLATE ${KV_DIR}/.config
477 eend $? 483 eend $?
478 [ "$?" != 0 ] && die 484 [ "$?" != 0 ] && die
479 485
480 ebegin "checking ZLIB_DEFLATE" 486 ebegin "checking ZLIB_DEFLATE"
481 getfilevar_isbuiltin CONFIG_ZLIB_DEFLATE ${KV_DIR}/.config 487 getfilevar_isbuiltin CONFIG_ZLIB_DEFLATE ${KV_DIR}/.config
482 eend $? 488 eend $?
483 [ "$?" != 0 ] && die 489 [ "$?" != 0 ] && die
484 490
485
486 local LINENO_START 491 local LINENO_START
487 local LINENO_END 492 local LINENO_END
488 local SYMBOLS 493 local SYMBOLS
489 local x 494 local x
490 495
491 LINENO_END="$(grep -n 'CONFIG_ZLIB_INFLATE y' ${KV_DIR}/lib/Config.in | cut -d : -f 1)" 496 LINENO_END="$(grep -n 'CONFIG_ZLIB_INFLATE y' ${KV_DIR}/lib/Config.in | cut -d : -f 1)"
492 LINENO_START="$(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)"
493 (( LINENO_AMOUNT = $LINENO_END - $LINENO_START )) 498 (( LINENO_AMOUNT = $LINENO_END - $LINENO_START ))
494 (( LINENO_END = $LINENO_END - 1 )) 499 (( LINENO_END = $LINENO_END - 1 ))
495 SYMBOLS="$(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;')"
501 # we have a winner! 506 # we have a winner!
502 einfo "${x} ensures zlib is linked into your kernel - excellent" 507 einfo "${x} ensures zlib is linked into your kernel - excellent"
503 return 0 508 return 0
504 fi 509 fi
505 done 510 done
506 511
507 eerror 512 eerror
508 eerror "This kernel module requires ZLIB library support." 513 eerror "This kernel module requires ZLIB library support."
509 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"
510 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"
511 eerror "kernel." 516 eerror "kernel."
527################################ 532################################
528# Default pkg_setup 533# Default pkg_setup
529# 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
530 535
531linux-info_pkg_setup() { 536linux-info_pkg_setup() {
532 get_version; 537 get_version || die "Unable to calculate Linux Kernel version"
533 [ -n "${CONFIG_CHECK}" ] && check_extra_config; 538 [ -n "${CONFIG_CHECK}" ] && check_extra_config;
534} 539}

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