/[gentoo-x86]/eclass/linux-info.eclass
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Revision 1.12 Revision 1.52
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 1.52 2007/10/03 12:53:10 phreak 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
9# using additional eclasses. 9# using additional eclasses.
10# 10#
11# Maintainer: John Mylchreest <johnm@gentoo.org> 11# Original author: John Mylchreest <johnm@gentoo.org>
12# Copyright 2004 Gentoo Linux 12# Maintainer: kernel-misc@gentoo.org
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# @FUNCTION: set_arch_to_kernel
75set_arch_to_portage() { 73# @DESCRIPTION:
76 export ARCH="${PORTAGE_ARCH}" 74# Set the env ARCH to match what the kernel expects.
77} 75set_arch_to_kernel() { export ARCH=$(tc-arch-kernel); }
76# @FUNCTION: set_arch_to_portage
77# @DESCRIPTION:
78# Set the env ARCH to match what portage expects.
79set_arch_to_portage() { export ARCH=$(tc-arch); }
78 80
79
80#
81# qeinfo "Message" 81# qeinfo "Message"
82# ------------------- 82# -------------------
83# qeinfo is a queit einfo call when EBUILD_PHASE 83# qeinfo is a quiet einfo call when EBUILD_PHASE
84# should not have visible output. 84# should not have visible output.
85# 85qout() {
86qeinfo() {
87 local outputmsg 86 local outputmsg type
87 type=${1}
88 shift
88 outputmsg="${@}" 89 outputmsg="${@}"
89 case "${EBUILD_PHASE}" in 90 case "${EBUILD_PHASE}" in
90 depend) unset outputmsg;; 91 depend) unset outputmsg;;
91 clean) unset outputmsg;; 92 clean) unset outputmsg;;
92 preinst) unset outputmsg;; 93 preinst) unset outputmsg;;
93 esac 94 esac
94 [ -n "${outputmsg}" ] && einfo "${outputmsg}" 95 [ -n "${outputmsg}" ] && ${type} "${outputmsg}"
95} 96}
96 97
97qeerror() { 98qeinfo() { qout einfo "${@}" ; }
98 local outputmsg 99qeerror() { qout eerror "${@}" ; }
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
109 100
110# File Functions 101# File Functions
111# --------------------------------------- 102# ---------------------------------------
112 103
113# getfilevar accepts 2 vars as follows: 104# getfilevar accepts 2 vars as follows:
114# getfilevar <VARIABLE> <CONFIGFILE> 105# getfilevar <VARIABLE> <CONFIGFILE>
115 106
116getfilevar() { 107getfilevar() {
117local ERROR workingdir basefname basedname xarch 108local ERROR workingdir basefname basedname myARCH="${ARCH}"
118 ERROR=0 109 ERROR=0
119 110
120 [ -z "${1}" ] && ERROR=1 111 [ -z "${1}" ] && ERROR=1
121 [ ! -f "${2}" ] && ERROR=1 112 [ ! -f "${2}" ] && ERROR=1
122 113
123 if [ "${ERROR}" = 1 ] 114 if [ "${ERROR}" = 1 ]
124 then 115 then
125 ebeep
126 echo -e "\n" 116 echo -e "\n"
127 eerror "getfilevar requires 2 variables, with the second a valid file." 117 eerror "getfilevar requires 2 variables, with the second a valid file."
128 eerror " getfilevar <VARIABLE> <CONFIGFILE>" 118 eerror " getfilevar <VARIABLE> <CONFIGFILE>"
129 else 119 else
130 workingdir=${PWD} 120 workingdir="${PWD}"
131 basefname=$(basename ${2}) 121 basefname="$(basename ${2})"
132 basedname=$(dirname ${2}) 122 basedname="$(dirname ${2})"
133 xarch=${ARCH}
134 unset ARCH 123 unset ARCH
135 124
136 cd ${basedname} 125 cd "${basedname}"
137 echo -e "include ${basefname}\ne:\n\t@echo \$(${1})" | \ 126 echo -e "e:\\n\\t@echo \$(${1})\\ninclude ${basefname}" | \
138 make -f - e 2>/dev/null 127 make M="${S}" ${BUILD_FIXES} -s -f - 2>/dev/null
139 cd ${workingdir} 128 cd "${workingdir}"
140 129
141 ARCH=${xarch} 130 ARCH=${myARCH}
142 fi 131 fi
143} 132}
144 133
145linux_chkconfig_present() { 134linux_chkconfig_present() {
146local RESULT 135local RESULT
179# got the jist yet? 168# got the jist yet?
180 169
181kernel_is() { 170kernel_is() {
182 # if we haven't determined the version yet, we need too. 171 # if we haven't determined the version yet, we need too.
183 get_version; 172 get_version;
184 173 local operator test value x=0 y=0 z=0
185 local RESULT operator value test 174
186 RESULT=0 175 case ${1} in
187 176 lt) operator="-lt"; shift;;
177 gt) operator="-gt"; shift;;
178 le) operator="-le"; shift;;
179 ge) operator="-ge"; shift;;
180 eq) operator="-eq"; shift;;
188 operator="-eq" 181 *) operator="-eq";;
189 if [ "${1}" == "lt" ] 182 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 [ "${1}" == "ge" ]
202 then
203 operator="-ge"
204 shift
205 fi
206 183
207 if [ -n "${1}" ] 184 for x in ${@}; do
208 then 185 for((y=0; y<$((3 - ${#x})); y++)); do value="${value}0"; done
209 [ ${KV_MAJOR} ${operator} ${1} ] || RESULT=1 186 value="${value}${x}"
210 fi 187 z=$((${z} + 1))
211 if [ -n "${2}" ] 188
212 then 189 case ${z} in
213 [ ${KV_MINOR} ${operator} ${2} -a ${RESULT} -eq 0 ] || RESULT=1 190 1) for((y=0; y<$((3 - ${#KV_MAJOR})); y++)); do test="${test}0"; done;
214 fi 191 test="${test}${KV_MAJOR}";;
215 if [ -n "${3}" ] 192 2) for((y=0; y<$((3 - ${#KV_MINOR})); y++)); do test="${test}0"; done;
216 then 193 test="${test}${KV_MINOR}";;
217 [ ${KV_PATCH} ${operator} ${3} -a ${RESULT} -eq 0 ] || RESULT=1 194 3) for((y=0; y<$((3 - ${#KV_PATCH})); y++)); do test="${test}0"; done;
218 fi 195 test="${test}${KV_PATCH}";;
219 return ${RESULT} 196 *) die "Error in kernel-2_kernel_is(): Too many parameters.";;
197 esac
198 done
199
200 [ ${test} ${operator} ${value} ] && return 0 || return 1
201}
202
203get_localversion() {
204 local lv_list i x
205
206 # ignore files with ~ in it.
207 for i in $(ls ${1}/localversion* 2>/dev/null); do
208 [[ -n ${i//*~*} ]] && lv_list="${lv_list} ${i}"
209 done
210
211 for i in ${lv_list}; do
212 x="${x}$(<${i})"
213 done
214 x=${x/ /}
215 echo ${x}
220} 216}
221 217
222get_version() { 218get_version() {
223 local kbuild_output 219 local kbuild_output
224 220
225 # no need to execute this twice assuming KV_FULL is populated. 221 # no need to execute this twice assuming KV_FULL is populated.
226 # we can force by unsetting KV_FULL 222 # we can force by unsetting KV_FULL
227 [ -n "${KV_FULL}" ] && return 223 [ -n "${KV_FULL}" ] && return 0
228 224
229 # if we dont know KV_FULL, then we need too. 225 # if we dont know KV_FULL, then we need too.
230 # make sure KV_DIR isnt set since we need to work it out via KERNEL_DIR 226 # make sure KV_DIR isnt set since we need to work it out via KERNEL_DIR
231 unset KV_DIR 227 unset KV_DIR
232 228
233 # KV_DIR will contain the full path to the sources directory we should use 229 # KV_DIR will contain the full path to the sources directory we should use
234 qeinfo "Determining the location of the kernel source code" 230 qeinfo "Determining the location of the kernel source code"
235 [ -h "${KERNEL_DIR}" ] && KV_DIR="$(readlink -f ${KERNEL_DIR})" 231 [ -h "${KERNEL_DIR}" ] && KV_DIR="$(readlink -f ${KERNEL_DIR})"
236 [ -d "${KERNEL_DIR}" ] && KV_DIR="${KERNEL_DIR}" 232 [ -d "${KERNEL_DIR}" ] && KV_DIR="${KERNEL_DIR}"
237 233
238 if [ -z "${KV_DIR}" ] 234 if [ -z "${KV_DIR}" ]
239 then 235 then
240 qeerror "Unable to find kernel sources at ${KERNEL_DIR}" 236 qeerror "Unable to find kernel sources at ${KERNEL_DIR}"
241 qeinfo "This package requires Linux sources." 237 qeinfo "This package requires Linux sources."
242 if [ "${KERNEL_DIR}" == "/usr/src/linux" ] ; then 238 if [ "${KERNEL_DIR}" == "/usr/src/linux" ] ; then
244 qeinfo "(or the kernel you wish to build against)." 240 qeinfo "(or the kernel you wish to build against)."
245 qeinfo "Alternatively, set the KERNEL_DIR environment variable to the kernel sources location" 241 qeinfo "Alternatively, set the KERNEL_DIR environment variable to the kernel sources location"
246 else 242 else
247 qeinfo "Please ensure that the KERNEL_DIR environment variable points at full Linux sources of the kernel you wish to compile against." 243 qeinfo "Please ensure that the KERNEL_DIR environment variable points at full Linux sources of the kernel you wish to compile against."
248 fi 244 fi
249 die "Cannot locate Linux sources at ${KERNEL_DIR}" 245 return 1
250 fi 246 fi
251 247
252 qeinfo "Found kernel source directory:" 248 qeinfo "Found kernel source directory:"
253 qeinfo " ${KV_DIR}" 249 qeinfo " ${KV_DIR}"
254 250
255 if [ ! -s "${KV_DIR}/Makefile" ] 251 if [ ! -s "${KV_DIR}/Makefile" ]
256 then 252 then
257 qeerror "Could not find a Makefile in the kernel source directory." 253 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" 254 qeerror "Please ensure that ${KERNEL_DIR} points to a complete set of Linux sources"
259 die "Makefile not found in ${KV_DIR}" 255 return 1
260 fi 256 fi
261 257
262 # OK so now we know our sources directory, but they might be using 258 # OK so now we know our sources directory, but they might be using
263 # KBUILD_OUTPUT, and we need this for .config and localversions-* 259 # KBUILD_OUTPUT, and we need this for .config and localversions-*
264 # so we better find it eh? 260 # so we better find it eh?
265 # do we pass KBUILD_OUTPUT on the CLI? 261 # do we pass KBUILD_OUTPUT on the CLI?
266 OUTPUT_DIR="${OUTPUT_DIR:-${KBUILD_OUTPUT}}" 262 OUTPUT_DIR="${OUTPUT_DIR:-${KBUILD_OUTPUT}}"
267 263
268 # And if we didn't pass it, we can take a nosey in the Makefile 264 # And if we didn't pass it, we can take a nosey in the Makefile
269 kbuild_output="$(getfilevar KBUILD_OUTPUT ${KV_DIR}/Makefile)" 265 kbuild_output="$(getfilevar KBUILD_OUTPUT ${KV_DIR}/Makefile)"
270 OUTPUT_DIR="${OUTPUT_DIR:-${kbuild_output}}" 266 OUTPUT_DIR="${OUTPUT_DIR:-${kbuild_output}}"
271 267
272 # And contrary to existing functions I feel we shouldn't trust the 268 # And contrary to existing functions I feel we shouldn't trust the
273 # directory name to find version information as this seems insane. 269 # directory name to find version information as this seems insane.
274 # so we parse ${KV_DIR}/Makefile 270 # so we parse ${KV_DIR}/Makefile
275 KV_MAJOR="$(getfilevar VERSION ${KV_DIR}/Makefile)" 271 KV_MAJOR="$(getfilevar VERSION ${KV_DIR}/Makefile)"
276 KV_MINOR="$(getfilevar PATCHLEVEL ${KV_DIR}/Makefile)" 272 KV_MINOR="$(getfilevar PATCHLEVEL ${KV_DIR}/Makefile)"
277 KV_PATCH="$(getfilevar SUBLEVEL ${KV_DIR}/Makefile)" 273 KV_PATCH="$(getfilevar SUBLEVEL ${KV_DIR}/Makefile)"
278 KV_EXTRA="$(getfilevar EXTRAVERSION ${KV_DIR}/Makefile)" 274 KV_EXTRA="$(getfilevar EXTRAVERSION ${KV_DIR}/Makefile)"
279 275
280 if [ -z "${KV_MAJOR}" -o -z "${KV_MINOR}" -o -z "${KV_PATCH}" ] 276 if [ -z "${KV_MAJOR}" -o -z "${KV_MINOR}" -o -z "${KV_PATCH}" ]
281 then 277 then
282 qeerror "Could not detect kernel version." 278 qeerror "Could not detect kernel version."
283 qeerror "Please ensure that ${KERNEL_DIR} points to a complete set of Linux sources" 279 qeerror "Please ensure that ${KERNEL_DIR} points to a complete set of Linux sources."
284 die "Could not parse version info from ${KV_DIR}/Makefile" 280 return 1
285 fi 281 fi
286 282
287 # and in newer versions we can also pull LOCALVERSION if it is set. 283 # and in newer versions we can also pull LOCALVERSION if it is set.
288 # but before we do this, we need to find if we use a different object directory. 284 # but before we do this, we need to find if we use a different object directory.
289 # This *WILL* break if the user is using localversions, but we assume it was 285 # This *WILL* break if the user is using localversions, but we assume it was
290 # caught before this if they are. 286 # caught before this if they are.
291 [ "${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}.${KV_EXTRA}" == "$(uname -r)" ] && \ 287 [ "${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}${KV_EXTRA}" == "$(uname -r)" ] && \
292 OUTPUT_DIR="${OUTPUT_DIR:-/lib/modules/${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}.${KV_EXTRA}/build}" 288 OUTPUT_DIR="${OUTPUT_DIR:-/lib/modules/${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}${KV_EXTRA}/build}"
293 289
294 [ -h "${OUTPUT_DIR}" ] && KV_OUT_DIR="$(readlink -f ${OUTPUT_DIR})" 290 [ -h "${OUTPUT_DIR}" ] && KV_OUT_DIR="$(readlink -f ${OUTPUT_DIR})"
295 [ -d "${OUTPUT_DIR}" ] && KV_OUT_DIR="${OUTPUT_DIR}" 291 [ -d "${OUTPUT_DIR}" ] && KV_OUT_DIR="${OUTPUT_DIR}"
296 if [ -n "${KV_OUT_DIR}" ]; 292 if [ -n "${KV_OUT_DIR}" ];
297 then 293 then
298 qeinfo "Found kernel object directory:" 294 qeinfo "Found kernel object directory:"
299 qeinfo " ${KV_OUT_DIR}" 295 qeinfo " ${KV_OUT_DIR}"
300 296
301 KV_LOCAL="$(cat ${KV_OUT_DIR}/localversion* 2>/dev/null)" 297 KV_LOCAL="$(get_localversion ${KV_OUT_DIR})"
302 fi 298 fi
303 # and if we STILL haven't got it, then we better just set it to KV_DIR 299 # and if we STILL have not got it, then we better just set it to KV_DIR
304 KV_OUT_DIR="${KV_OUT_DIR:-${KV_DIR}}" 300 KV_OUT_DIR="${KV_OUT_DIR:-${KV_DIR}}"
305 301
306 KV_LOCAL="${KV_LOCAL}$(cat ${KV_DIR}/localversion* 2>/dev/null)"
307 KV_LOCAL="${KV_LOCAL}$(linux_chkconfig_string LOCALVERSION)"
308 KV_LOCAL="${KV_LOCAL//\"/}"
309
310 # And we should set KV_FULL to the full expanded version
311 KV_FULL="${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}${KV_EXTRA}${KV_LOCAL}"
312
313 qeinfo "Found sources for kernel version:"
314 qeinfo " ${KV_FULL}"
315
316 if [ ! -s "${KV_OUT_DIR}/.config" ] 302 if [ ! -s "${KV_OUT_DIR}/.config" ]
317 then 303 then
318 qeerror "Could not find a usable .config in the kernel source directory." 304 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." 305 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" 306 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." 307 qeerror "it points to the necessary object directory so that it might find .config."
322 die ".config not found in ${KV_OUT_DIR}" 308 return 1
323 fi 309 fi
324}
325 310
311 KV_LOCAL="${KV_LOCAL}$(get_localversion ${KV_DIR})"
312 KV_LOCAL="${KV_LOCAL}$(linux_chkconfig_string LOCALVERSION)"
313 KV_LOCAL="${KV_LOCAL//\"/}"
326 314
315 # For things like git that can append extra stuff:
316 [ -e ${KV_DIR}/scripts/setlocalversion ] &&
317 linux_chkconfig_builtin LOCALVERSION_AUTO &&
318 KV_LOCAL="${KV_LOCAL}$(sh ${KV_DIR}/scripts/setlocalversion ${KV_DIR})"
319
320 # And we should set KV_FULL to the full expanded version
321 KV_FULL="${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}${KV_EXTRA}${KV_LOCAL}"
322
323 qeinfo "Found sources for kernel version:"
324 qeinfo " ${KV_FULL}"
325
326 return 0
327}
328
329get_running_version() {
330 KV_FULL=$(uname -r)
331
332 if [[ -f ${ROOT}/lib/modules/${KV_FULL}/source/Makefile ]]; then
333 KERNEL_DIR=$(readlink -f ${ROOT}/lib/modules/${KV_FULL}/source)
334 unset KV_FULL
335 get_version
336 return $?
337 elif [[ -f ${ROOT}/lib/modules/${KV_FULL}/build/Makefile ]]; then
338 KERNEL_DIR=$(readlink -f ${ROOT}/lib/modules/${KV_FULL}/build)
339 unset KV_FULL
340 get_version
341 return $?
342 else
343 KV_MAJOR=$(get_version_component_range 1 ${KV_FULL})
344 KV_MINOR=$(get_version_component_range 2 ${KV_FULL})
345 KV_PATCH=$(get_version_component_range 3- ${KV_FULL})
346 KV_PATCH=${KV_PATCH//-*}
347 [[ -n ${KV_FULL#*-} ]] && [[ -n ${KV_FULL//${KV_FULL#*-}} ]] \
348 && KV_EXTRA="-${KV_FULL#*-}"
349 fi
350 return 0
351}
327 352
328 353
329# ebuild check functions 354# ebuild check functions
330# --------------------------------------- 355# ---------------------------------------
331 356
332check_kernel_built() { 357check_kernel_built() {
333 # if we haven't determined the version yet, we need too. 358 # if we haven't determined the version yet, we need too.
334 get_version; 359 get_version;
335 360
336 if [ ! -f "${KV_OUT_DIR}/System.map" ] 361 if [ ! -f "${KV_OUT_DIR}/include/linux/version.h" ]
337 then 362 then
338 eerror "These sources have not yet been compiled." 363 eerror "These sources have not yet been prepared."
339 eerror "We cannot build against an uncompiled tree." 364 eerror "We cannot build against an unprepared tree."
340 eerror "To resolve this, please type the following:" 365 eerror "To resolve this, please type the following:"
341 eerror 366 eerror
342 eerror "# cd ${KV_DIR}" 367 eerror "# cd ${KV_DIR}"
343 eerror "# make oldconfig" 368 eerror "# make oldconfig"
344 eerror "# make bzImage modules modules_install" 369 eerror "# make modules_prepare"
345 eerror 370 eerror
346 eerror "Then please try merging this module again." 371 eerror "Then please try merging this module again."
347 die "Kernel sources need compiling first" 372 die "Kernel sources need compiling first"
348 fi 373 fi
349} 374}
350 375
351check_modules_supported() { 376check_modules_supported() {
352 # if we haven't determined the version yet, we need too. 377 # if we haven't determined the version yet, we need too.
353 get_version; 378 get_version;
354 379
355 if ! linux_chkconfig_builtin "MODULES" 380 if ! linux_chkconfig_builtin "MODULES"
356 then 381 then
357 eerror "These sources do not support loading external modules." 382 eerror "These sources do not support loading external modules."
358 eerror "to be able to use this module please enable \"Loadable modules support\"" 383 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." 384 eerror "in your kernel, recompile and then try merging this module again."
360 die "No support for external modules in ${KV_FULL} config" 385 die "No support for external modules in ${KV_FULL} config"
361 fi 386 fi
362} 387}
363 388
364check_extra_config() { 389check_extra_config() {
365local config negate error local_error 390 local config negate die error reworkmodulenames
391 local soft_errors_count=0 hard_errors_count=0
366 392
367 # if we haven't determined the version yet, we need too. 393 # if we haven't determined the version yet, we need too.
368 get_version; 394 get_version;
369 395
370 einfo "Checking for suitable kernel configuration options" 396 einfo "Checking for suitable kernel configuration options..."
371 for config in ${CONFIG_CHECK} 397 for config in ${CONFIG_CHECK}
372 do 398 do
373 negate="${config:0:1}" 399 # if we specify any fatal, ensure we honor them
374 if [ "${negate}" == "!" ]; 400 die=1
375 then 401 error=0
402 negate=0
403 reworkmodulenames=0
404
405 if [[ -z ${config/\~*} ]]; then
406 die=0
376 config="${config:1}" 407 config=${config:1}
408 elif [[ -z ${config/\@*} ]]; then
409 die=0
410 reworkmodulenames=1
411 config=${config:1}
412 fi
413 if [[ -z ${config//\!*} ]]; then
414 negate=1
415 config=${config:1}
416 fi
417
418 if [[ ${negate} == 1 ]]; then
419 linux_chkconfig_present ${config} && error=2
420 elif [[ ${reworkmodulenames} == 1 ]]; then
421 local temp_config="${config//*:}" i n
422 config="${config//:*}"
377 if linux_chkconfig_present ${config} 423 if linux_chkconfig_present ${config}; then
378 then 424 for i in ${MODULE_NAMES}; do
425 n="${i//${temp_config}}"
426 [[ -z ${n//\(*} ]] && \
427 MODULE_IGNORE="${MODULE_IGNORE} ${temp_config}"
428 done
429 error=2
430 fi
431 else
432 linux_chkconfig_present ${config} || error=1
433 fi
434
435 if [[ ${error} > 0 ]]; then
436 local report_func="eerror" local_error
437 local_error="ERROR_${config}"
438 local_error="${!local_error}"
439
440 if [[ -z "${local_error}" ]]; then
441 # using old, deprecated format.
379 local_error="${config}_ERROR" 442 local_error="${config}_ERROR"
380 local_error="${!local_error}" 443 local_error="${!local_error}"
381 [ -n "${local_error}" ] && eerror " ${local_error}" || \
382 eerror " CONFIG_${config}:\tshould not be set in the kernel configuration, but it is."
383 error=1
384 fi 444 fi
385 else 445 if [[ ${die} == 0 && -z "${local_error}" ]]; then
386 if ! linux_chkconfig_present ${config} 446 #soft errors can be warnings
387 then
388 local_error="${config}_ERROR" 447 local_error="WARNING_${config}"
389 local_error="${!local_error}" 448 local_error="${!local_error}"
390 [ -n "${local_error}" ] && eerror " ${local_error}" || \ 449 if [[ -n "${local_error}" ]] ; then
391 eerror " CONFIG_${config}:\tshould be set in the kernel configuration, but isn't" 450 report_func="ewarn"
392 error=1 451 fi
393 fi 452 fi
453
454 if [[ -z "${local_error}" ]]; then
455 [[ ${error} == 1 ]] \
456 && local_error="is not set when it should be." \
457 || local_error="should not be set. But it is."
458 local_error="CONFIG_${config}:\t ${local_error}"
459 fi
460 if [[ ${die} == 0 ]]; then
461 ${report_func} " ${local_error}"
462 soft_errors_count=$[soft_errors_count + 1]
463 else
464 ${report_func} " ${local_error}"
465 hard_errors_count=$[hard_errors_count + 1]
466 fi
394 fi 467 fi
395 done 468 done
396 469
397 if [ -n "${error}" ] ; 470 if [[ ${hard_errors_count} > 0 ]]; then
398 then
399 eerror "Please check to make sure these options are set correctly." 471 eerror "Please check to make sure these options are set correctly."
472 eerror "Failure to do so may cause unexpected problems."
400 eerror "Once you have satisfied these options, please try merging" 473 eerror "Once you have satisfied these options, please try merging"
401 eerror "this package again." 474 eerror "this package again."
402 die "Incorrect kernel configuration options" 475 die "Incorrect kernel configuration options"
476 elif [[ ${soft_errors_count} > 0 ]]; then
477 ewarn "Please check to make sure these options are set correctly."
478 ewarn "Failure to do so may cause unexpected problems."
479 else
480 eend 0
403 fi 481 fi
404} 482}
405 483
406check_zlibinflate() { 484check_zlibinflate() {
407 # if we haven't determined the version yet, we need too. 485 # if we haven't determined the version yet, we need too.
408 get_version; 486 get_version;
409 487
410 # although I restructured this code - I really really really dont support it! 488 # although I restructured this code - I really really really dont support it!
411 489
412 # bug #27882 - zlib routines are only linked into the kernel 490 # bug #27882 - zlib routines are only linked into the kernel
413 # if something compiled into the kernel calls them 491 # if something compiled into the kernel calls them
414 # 492 #
415 # plus, for the cloop module, it appears that there's no way 493 # 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 494 # to get cloop.o to include a static zlib if CONFIG_MODVERSIONS
417 # is on 495 # is on
418 496
419local INFLATE 497 local INFLATE
420local DEFLATE 498 local DEFLATE
421 499
422 einfo "Determining the usability of ZLIB_INFLATE support in your kernel" 500 einfo "Determining the usability of ZLIB_INFLATE support in your kernel"
423 501
424 ebegin "checking ZLIB_INFLATE" 502 ebegin "checking ZLIB_INFLATE"
425 getfilevar_isbuiltin CONFIG_ZLIB_INFLATE ${KV_DIR}/.config 503 getfilevar_isbuiltin CONFIG_ZLIB_INFLATE ${KV_DIR}/.config
426 eend $? 504 eend $?
427 [ "$?" != 0 ] && die 505 [ "$?" != 0 ] && die
428 506
429 ebegin "checking ZLIB_DEFLATE" 507 ebegin "checking ZLIB_DEFLATE"
430 getfilevar_isbuiltin CONFIG_ZLIB_DEFLATE ${KV_DIR}/.config 508 getfilevar_isbuiltin CONFIG_ZLIB_DEFLATE ${KV_DIR}/.config
431 eend $? 509 eend $?
432 [ "$?" != 0 ] && die 510 [ "$?" != 0 ] && die
433 511
434
435 local LINENO_START 512 local LINENO_START
436 local LINENO_END 513 local LINENO_END
437 local SYMBOLS 514 local SYMBOLS
438 local x 515 local x
439 516
440 LINENO_END="$(grep -n 'CONFIG_ZLIB_INFLATE y' ${KV_DIR}/lib/Config.in | cut -d : -f 1)" 517 LINENO_END="$(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)" 518 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 )) 519 (( LINENO_AMOUNT = $LINENO_END - $LINENO_START ))
443 (( LINENO_END = $LINENO_END - 1 )) 520 (( 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;')" 521 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! 527 # we have a winner!
451 einfo "${x} ensures zlib is linked into your kernel - excellent" 528 einfo "${x} ensures zlib is linked into your kernel - excellent"
452 return 0 529 return 0
453 fi 530 fi
454 done 531 done
455 532
456 eerror 533 eerror
457 eerror "This kernel module requires ZLIB library support." 534 eerror "This kernel module requires ZLIB library support."
458 eerror "You have enabled zlib support in your kernel, but haven't enabled" 535 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" 536 eerror "enabled any option that will ensure that zlib is linked into your"
460 eerror "kernel." 537 eerror "kernel."
476################################ 553################################
477# Default pkg_setup 554# Default pkg_setup
478# Also used when inheriting linux-mod to force a get_version call 555# Also used when inheriting linux-mod to force a get_version call
479 556
480linux-info_pkg_setup() { 557linux-info_pkg_setup() {
481 get_version; 558 get_version || die "Unable to calculate Linux Kernel version"
559
560 if kernel_is 2 4; then
561 if [ "$( gcc-major-version )" -eq "4" ] ; then
562 echo
563 ewarn "Be warned !! >=sys-devel/gcc-4.0.0 isn't supported with"
564 ewarn "linux-2.4 (or modules building against a linux-2.4 kernel)!"
565 echo
566 ewarn "Either switch to another gcc-version (via gcc-config) or use a"
567 ewarn "newer kernel that supports gcc-4."
568 echo
569 ewarn "Also be aware that bugreports about gcc-4 not working"
570 ewarn "with linux-2.4 based ebuilds will be closed as INVALID!"
571 echo
572 epause 10
573 fi
574 fi
575
482 [ -n "${CONFIG_CHECK}" ] && check_extra_config; 576 [ -n "${CONFIG_CHECK}" ] && check_extra_config;
483} 577}

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