/[gentoo-x86]/eclass/linux-mod.eclass
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1# Copyright 1999-2004 Gentoo Foundation 1# Copyright 1999-2004 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-mod.eclass,v 1.35 2005/04/22 19:10:32 johnm Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/linux-mod.eclass,v 1.54 2005/10/22 17:35:39 johnm Exp $
4 4
5# Description: This eclass is used to interface with linux-info in such a way 5# Description: This eclass is used to interface with linux-info in such a way
6# to provide the functionality required and initial functions 6# to provide the functionality required and initial functions
7# required to install external modules against a kernel source 7# required to install external modules against a kernel source
8# tree. 8# tree.
12# 12#
13# Please direct your bugs to the current eclass maintainer :) 13# Please direct your bugs to the current eclass maintainer :)
14 14
15# A Couple of env vars are available to effect usage of this eclass 15# A Couple of env vars are available to effect usage of this eclass
16# These are as follows: 16# These are as follows:
17# 17#
18# Env Var Option Default Description 18# Env Var Option Default Description
19# KERNEL_DIR <string> /usr/src/linux The directory containing kernel 19# KERNEL_DIR <string> /usr/src/linux The directory containing kernel
20# the target kernel sources. 20# the target kernel sources.
21# ECONF_PARAMS <string> The parameters to pass to econf. 21# ECONF_PARAMS <string> The parameters to pass to econf.
22# If this is not set, then econf 22# If this is not set, then econf
23# isn't run. 23# isn't run.
24# BUILD_PARAMS <string> The parameters to pass to emake. 24# BUILD_PARAMS <string> The parameters to pass to emake.
25# BUILD_TARGETS <string> clean modules The build targets to pass to 25# BUILD_TARGETS <string> clean modules The build targets to pass to
26# make. 26# make.
27# MODULE_NAMES <string> This is the modules which are 27# MODULE_NAMES <string> This is the modules which are
28# to be built automatically using 28# to be built automatically using
29# the default pkg_compile/install. 29# the default pkg_compile/install.
30# They are explained properly 30# They are explained properly
31# below. It will only make 31# below. It will only make
32# BUILD_TARGETS once in any 32# BUILD_TARGETS once in any
33# directory. 33# directory.
34 34
35# MODULE_NAMES - Detailed Overview 35# MODULE_NAMES - Detailed Overview
36# 36#
37# The structure of each MODULE_NAMES entry is as follows: 37# The structure of each MODULE_NAMES entry is as follows:
38# modulename(libdir:srcdir:objdir) 38# modulename(libdir:srcdir:objdir)
39# for example: 39# for example:
40# MODULE_NAMES="module_pci(pci:${S}/pci:${S}) module_usb(usb:${S}/usb:${S})" 40# MODULE_NAMES="module_pci(pci:${S}/pci:${S}) module_usb(usb:${S}/usb:${S})"
41# 41#
42# what this would do is 42# what this would do is
43# cd ${S}/pci 43# cd ${S}/pci
44# make ${BUILD_PARAMS} ${BUILD_TARGETS} 44# make ${BUILD_PARAMS} ${BUILD_TARGETS}
45# cd ${S} 45# cd ${S}
46# insinto /lib/modules/${KV_FULL}/pci 46# insinto /lib/modules/${KV_FULL}/pci
78# the full path to any associated 78# the full path to any associated
79# documents for $modulename 79# documents for $modulename
80 80
81 81
82inherit linux-info 82inherit linux-info
83ECLASS=linux-mod
84INHERITED="$INHERITED $ECLASS"
85EXPORT_FUNCTIONS pkg_setup pkg_postinst src_install src_compile 83EXPORT_FUNCTIONS pkg_setup pkg_postinst src_install src_compile pkg_postrm
86 84
87IUSE="${IUSE} pcmcia" 85IUSE="" # don't put pcmcia here, rather in the ebuilds that actually support pcmcia
88SLOT="0" 86SLOT="0"
89DESCRIPTION="Based on the $ECLASS eclass" 87DESCRIPTION="Based on the $ECLASS eclass"
88RDEPEND="virtual/modutils
89 pcmcia? ( virtual/pcmcia )"
90DEPEND="virtual/linux-sources 90DEPEND="virtual/linux-sources
91 sys-apps/sed 91 sys-apps/sed
92 virtual/modutils 92 pcmcia? ( virtual/pcmcia )"
93 pcmcia? ( sys-apps/pcmcia-cs )"
94 93
95# eclass utilities 94# eclass utilities
96# ---------------------------------- 95# ----------------------------------
96
97check_vermagic() {
98 local curr_gcc_ver=$(gcc -dumpversion)
99 local tmpfile old_chost old_gcc_ver result=0
100
101 tmpfile=`find ${KV_DIR}/ -iname "*.o.cmd" -exec grep usr/lib/gcc {} \; -quit`
102 tmpfile=${tmpfile//*usr/lib}
103 tmpfile=${tmpfile//\/include*}
104 old_chost=${tmpfile//*gcc\/}
105 old_chost=${old_chost//\/*}
106 old_gcc_ver=${tmpfile//*\/}
107
108 if [[ -z ${old_gcc_ver} || -z ${old_chost} ]]; then
109 ewarn ""
110 ewarn "Unable to detect what version of GCC was used to compile"
111 ewarn "the kernel. Build will continue, but you may experience problems."
112 elif [[ ${curr_gcc_ver} != ${old_gcc_ver} ]]; then
113 ewarn ""
114 ewarn "The version of GCC you are using (${curr_gcc_ver}) does"
115 ewarn "not match the version of GCC used to compile the"
116 ewarn "kernel (${old_gcc_ver})."
117 result=1
118 elif [[ ${CHOST} != ${old_chost} ]]; then
119 ewarn ""
120 ewarn "The current CHOST (${CHOST}) does not match the chost"
121 ewarn "used when compiling the kernel (${old_chost})."
122 result=1
123 fi
124
125 if [[ ${result} -gt 0 ]]; then
126 ewarn ""
127 ewarn "Build will not continue, because you will experience problems."
128 ewarn "To fix this either change the version of GCC you wish to use"
129 ewarn "to match the kernel, or recompile the kernel first."
130 die "GCC Version Mismatch."
131 fi
132}
97 133
98unpack_pcmcia_sources() { 134unpack_pcmcia_sources() {
99 # So while the two eclasses exist side-by-side and also the ebuilds inherit 135 # So while the two eclasses exist side-by-side and also the ebuilds inherit
100 # both we need to check for PCMCIA_SOURCE_DIR, and if we find it, then we 136 # both we need to check for PCMCIA_SOURCE_DIR, and if we find it, then we
101 # bail out and assume pcmcia.eclass is working on it. 137 # bail out and assume pcmcia.eclass is working on it.
102 [[ -n ${PCMCIA_SOURCE_DIR} ]] && return 1 138 [[ -n ${PCMCIA_SOURCE_DIR} ]] && return 1
103 139
104 if [[ -f "${1}" ]]; then 140 if [[ -f "${1}" ]]; then
105 PCMCIA_SOURCE_DIR="${WORKDIR}/pcmcia-cs/" 141 PCMCIA_SOURCE_DIR="${WORKDIR}/pcmcia-cs/"
106 142
107 ebegin "Decompressing pcmcia-cs sources" 143 ebegin "Decompressing pcmcia-cs sources"
108 mkdir -p ${PCMCIA_SOURCE_DIR} 144 mkdir -p ${PCMCIA_SOURCE_DIR}
109 tar -xjf ${1} -C ${PCMCIA_SOURCE_DIR} 145 tar -xjf ${1} -C ${PCMCIA_SOURCE_DIR}
110 eend $? 146 eend $?
111 147
141} 177}
142 178
143use_m() { 179use_m() {
144 # if we haven't determined the version yet, we need too. 180 # if we haven't determined the version yet, we need too.
145 get_version; 181 get_version;
146 182
147 # if the kernel version is greater than 2.6.6 then we should use 183 # if the kernel version is greater than 2.6.6 then we should use
148 # M= instead of SUBDIRS= 184 # M= instead of SUBDIRS=
149 [ ${KV_MAJOR} -eq 2 -a ${KV_MINOR} -gt 5 -a ${KV_PATCH} -gt 5 ] && \ 185 [ ${KV_MAJOR} -eq 2 -a ${KV_MINOR} -gt 5 -a ${KV_PATCH} -gt 5 ] && \
150 return 0 || return 1 186 return 0 || return 1
151} 187}
162} 198}
163 199
164update_depmod() { 200update_depmod() {
165 # if we haven't determined the version yet, we need too. 201 # if we haven't determined the version yet, we need too.
166 get_version; 202 get_version;
167 203
168 ebegin "Updating module dependencies for ${KV_FULL}" 204 ebegin "Updating module dependencies for ${KV_FULL}"
169 if [ -r ${KV_OUT_DIR}/System.map ] 205 if [ -r ${KV_OUT_DIR}/System.map ]
170 then 206 then
171 depmod -ae -F ${KV_OUT_DIR}/System.map -b ${ROOT} -r ${KV_FULL} 207 depmod -ae -F ${KV_OUT_DIR}/System.map -b ${ROOT} -r ${KV_FULL}
172 eend $? 208 eend $?
186 /sbin/modules-update 222 /sbin/modules-update
187 eend $? 223 eend $?
188 fi 224 fi
189} 225}
190 226
227move_old_moduledb() {
228 local OLDDIR=${ROOT}/usr/share/module-rebuild/
229 local NEWDIR=${ROOT}/var/lib/module-rebuild/
230
231 if [[ -f ${OLDDIR}/moduledb ]]; then
232 [[ ! -d ${NEWDIR} ]] && mkdir -p ${NEWDIR}
233 [[ ! -f ${NEWDIR}/moduledb ]] && \
234 mv ${OLDDIR}/moduledb ${NEWDIR}/moduledb
235 rm -f ${OLDDIR}/*
236 rmdir ${OLDDIR}
237 fi
238}
239
240update_moduledb() {
241 local MODULEDB_DIR=${ROOT}/var/lib/module-rebuild/
242 move_old_moduledb
243
244 if [[ ! -f ${MODULEDB_DIR}/moduledb ]]; then
245 [[ ! -d ${MODULEDB_DIR} ]] && mkdir -p ${MODULEDB_DIR}
246 touch ${MODULEDB_DIR}/moduledb
247 fi
248 if [[ -z $(grep ${CATEGORY}/${PN}-${PVR} ${MODULEDB_DIR}/moduledb) ]]; then
249 einfo "Adding module to moduledb."
250 echo "a:1:${CATEGORY}/${PN}-${PVR}" >> ${MODULEDB_DIR}/moduledb
251 fi
252}
253
254remove_moduledb() {
255 local MODULEDB_DIR=${ROOT}/var/lib/module-rebuild/
256 move_old_moduledb
257
258 if [[ -n $(grep ${CATEGORY}/${PN}-${PVR} ${MODULEDB_DIR}/moduledb) ]]; then
259 einfo "Removing ${CATEGORY}/${PN}-${PVR} from moduledb."
260 sed -ie "/.*${CATEGORY}\/${P}.*/d" ${MODULEDB_DIR}/moduledb
261 fi
262}
263
191set_kvobj() { 264set_kvobj() {
192 if kernel_is 2 6 265 if kernel_is 2 6
193 then 266 then
194 KV_OBJ="ko" 267 KV_OBJ="ko"
195 else 268 else
202 275
203generate_modulesd() { 276generate_modulesd() {
204 # This function will generate the neccessary modules.d file from the 277 # This function will generate the neccessary modules.d file from the
205 # information contained in the modules exported parms 278 # information contained in the modules exported parms
206 279
207 local currm_path currm t myIFS myVAR 280 local currm_path currm currm_t t myIFS myVAR
208 local module_docs module_enabled module_aliases \ 281 local module_docs module_enabled module_aliases \
209 module_additions module_examples module_modinfo module_opts 282 module_additions module_examples module_modinfo module_opts
210 283
211 for currm_path in ${@} 284 for currm_path in ${@}
212 do 285 do
213 currm=${currm_path//*\/} 286 currm=${currm_path//*\/}
214 currm=$(echo ${currm} | tr '[:lower:]' '[:upper:]') 287 currm=$(echo ${currm} | tr '[:lower:]' '[:upper:]')
288 currm_t=${currm}
289 while [[ -z ${currm_t//*-*} ]]; do
290 currm_t=${currm_t/-/_}
291 done
215 292
216 module_docs="$(eval echo \${MODULESD_${currm}_DOCS})" 293 module_docs="$(eval echo \${MODULESD_${currm_t}_DOCS})"
217 module_enabled="$(eval echo \${MODULESD_${currm}_ENABLED})" 294 module_enabled="$(eval echo \${MODULESD_${currm_t}_ENABLED})"
218 module_aliases="$(eval echo \${#MODULESD_${currm/-/_}_ALIASES[*]})" 295 module_aliases="$(eval echo \${#MODULESD_${currm_t}_ALIASES[*]})"
219 module_additions="$(eval echo \${#MODULESD_${currm/-/_}_ADDITIONS[*]})" 296 module_additions="$(eval echo \${#MODULESD_${currm_t}_ADDITIONS[*]})"
220 module_examples="$(eval echo \${#MODULESD_${currm/-/_}_EXAMPLES[*]})" 297 module_examples="$(eval echo \${#MODULESD_${currm_t}_EXAMPLES[*]})"
221 298
222 [[ ${module_aliases} -eq 0 ]] && unset module_aliases 299 [[ ${module_aliases} -eq 0 ]] && unset module_aliases
223 [[ ${module_additions} -eq 0 ]] && unset module_additions 300 [[ ${module_additions} -eq 0 ]] && unset module_additions
224 [[ ${module_examples} -eq 0 ]] && unset module_examples 301 [[ ${module_examples} -eq 0 ]] && unset module_examples
225 302
226 # If we specify we dont want it, then lets exit, otherwise we assume 303 # If we specify we dont want it, then lets exit, otherwise we assume
227 # that if its set, we do want it. 304 # that if its set, we do want it.
228 [[ ${module_enabled} == no ]] && return 0 305 [[ ${module_enabled} == no ]] && return 0
229 306
230 # unset any unwanted variables. 307 # unset any unwanted variables.
231 for t in ${!module_*} 308 for t in ${!module_*}
272 echo >> ${module_config} 349 echo >> ${module_config}
273 echo "# Configurable module parameters" >> ${module_config} 350 echo "# Configurable module parameters" >> ${module_config}
274 echo "# ------------------------------" >> ${module_config} 351 echo "# ------------------------------" >> ${module_config}
275 myIFS="${IFS}" 352 myIFS="${IFS}"
276 IFS="$(echo -en "\n\b")" 353 IFS="$(echo -en "\n\b")"
277 354
278 for t in ${module_modinfo} 355 for t in ${module_modinfo}
279 do 356 do
280 myVAR="$(echo ${t#*:} | grep -e " [0-9][ =]" | sed "s:.*\([01][= ]\).*:\1:")" 357 myVAR="$(echo ${t#*:} | grep -e " [0-9][ =]" | sed "s:.*\([01][= ]\).*:\1:")"
281 if [[ -n ${myVAR} ]] 358 if [[ -n ${myVAR} ]]
282 then 359 then
283 module_opts="${module_opts} ${t%%:*}:${myVAR}" 360 module_opts="${module_opts} ${t%%:*}:${myVAR}"
284 fi 361 fi
285 echo -e "# ${t%%:*}:\t${t#*:}" >> ${module_config} 362 echo -e "# ${t%%:*}:\t${t#*:}" >> ${module_config}
286 done 363 done
287 IFS="${myIFS}" 364 IFS="${myIFS}"
288 echo '' >> ${module_config} 365 echo '' >> ${module_config}
289 fi 366 fi
290 367
291 #----------------------------------------------------------------------- 368 #-----------------------------------------------------------------------
322 echo "$(eval echo \${MODULESD_${currm}_ADDITIONS[$t]})" \ 399 echo "$(eval echo \${MODULESD_${currm}_ADDITIONS[$t]})" \
323 >> ${module_config} 400 >> ${module_config}
324 done 401 done
325 echo '' >> ${module_config} 402 echo '' >> ${module_config}
326 fi 403 fi
327 404
328 #----------------------------------------------------------------------- 405 #-----------------------------------------------------------------------
329 406
330 # then we install it 407 # then we install it
331 insinto /etc/modules.d 408 insinto /etc/modules.d
332 newins ${module_config} ${currm_path//*\/} 409 newins ${module_config} ${currm_path//*\/}
336 done 413 done
337 eend 0 414 eend 0
338 return 0 415 return 0
339} 416}
340 417
341display_postinst() {
342 # if we haven't determined the version yet, we need too.
343 get_version;
344
345 local modulename moduledir sourcedir moduletemp file i
346
347 file=${ROOT}/etc/modules.autoload.d/kernel-${KV_MAJOR}.${KV_MINOR}
348 file=${file/\/\///}
349
350 for i in ${MODULE_IGNORE}
351 do
352 MODULE_NAMES=${MODULE_NAMES//${i}(*}
353 done
354
355 if [[ -n ${MODULE_NAMES} ]]
356 then
357 einfo "If you would like to load this module automatically upon boot"
358 einfo "please type the following as root:"
359 for i in ${MODULE_NAMES}
360 do
361 unset libdir srcdir objdir
362 for n in $(find_module_params ${i})
363 do
364 eval ${n/:*}=${n/*:/}
365 done
366 einfo " # echo \"${modulename}\" >> ${file}"
367 done
368 einfo
369 fi
370}
371
372find_module_params() { 418find_module_params() {
373 local matched_offset=0 matched_opts=0 test="${@}" temp_var result 419 local matched_offset=0 matched_opts=0 test="${@}" temp_var result
374 local i=0 y=0 z=0 420 local i=0 y=0 z=0
375 421
376 for((i=0; i<=${#test}; i++)) 422 for((i=0; i<=${#test}; i++))
377 do 423 do
378 case ${test:${i}:1} in 424 case ${test:${i}:1} in
379 \() matched_offset[0]=${i};; 425 \() matched_offset[0]=${i};;
380 \:) matched_opts=$((${matched_opts} + 1)); 426 \:) matched_opts=$((${matched_opts} + 1));
381 matched_offset[${matched_opts}]="${i}";; 427 matched_offset[${matched_opts}]="${i}";;
382 \)) matched_opts=$((${matched_opts} + 1)); 428 \)) matched_opts=$((${matched_opts} + 1));
383 matched_offset[${matched_opts}]="${i}";; 429 matched_offset[${matched_opts}]="${i}";;
384 esac 430 esac
385 done 431 done
386 432
387 for((i=0; i<=${matched_opts}; i++)) 433 for((i=0; i<=${matched_opts}; i++))
388 do 434 do
389 # i = offset were working on 435 # i = offset were working on
390 # y = last offset 436 # y = last offset
391 # z = current offset - last offset 437 # z = current offset - last offset
395 *) y=$((${matched_offset[$((${i} - 1))]} + 1)) 441 *) y=$((${matched_offset[$((${i} - 1))]} + 1))
396 z=$((${matched_offset[${i}]} - ${matched_offset[$((${i} - 1))]})); 442 z=$((${matched_offset[${i}]} - ${matched_offset[$((${i} - 1))]}));
397 z=$((${z} - 1)) 443 z=$((${z} - 1))
398 tempvar=${test:${y}:${z}};; 444 tempvar=${test:${y}:${z}};;
399 esac 445 esac
400 446
401 case ${i} in 447 case ${i} in
402 0) result="${result} modulename:${tempvar}";; 448 0) result="${result} modulename:${tempvar}";;
403 1) result="${result} libdir:${tempvar}";; 449 1) result="${result} libdir:${tempvar}";;
404 2) result="${result} srcdir:${tempvar}";; 450 2) result="${result} srcdir:${tempvar}";;
405 3) result="${result} objdir:${tempvar}";; 451 3) result="${result} objdir:${tempvar}";;
406 esac 452 esac
407 done 453 done
408 454
409 echo ${result} 455 echo ${result}
410} 456}
411 457
412# default ebuild functions 458# default ebuild functions
413# -------------------------------- 459# --------------------------------
415linux-mod_pkg_setup() { 461linux-mod_pkg_setup() {
416 linux-info_pkg_setup; 462 linux-info_pkg_setup;
417 check_kernel_built; 463 check_kernel_built;
418 check_modules_supported; 464 check_modules_supported;
419 set_kvobj; 465 set_kvobj;
466 check_vermagic;
420} 467}
421 468
422linux-mod_src_compile() { 469linux-mod_src_compile() {
423 local modulename libdir srcdir objdir i n myARCH="${ARCH}" 470 local modulename libdir srcdir objdir i n myARCH="${ARCH}"
424 unset ARCH 471 ARCH="$(tc-arch-kernel)"
425 472
426 BUILD_TARGETS=${BUILD_TARGETS:-clean module} 473 BUILD_TARGETS=${BUILD_TARGETS:-clean module}
427 474
428 for i in ${MODULE_IGNORE} 475 for i in ${MODULE_IGNORE}
429 do 476 do
430 MODULE_NAMES=${MODULE_NAMES//${i}(*} 477 MODULE_NAMES=${MODULE_NAMES//${i}(*}
431 done 478 done
432 479
438 eval ${n/:*}=${n/*:/} 485 eval ${n/:*}=${n/*:/}
439 done 486 done
440 libdir=${libdir:-misc} 487 libdir=${libdir:-misc}
441 srcdir=${srcdir:-${S}} 488 srcdir=${srcdir:-${S}}
442 objdir=${objdir:-${srcdir}} 489 objdir=${objdir:-${srcdir}}
443 490
444 if [ ! -f "${srcdir}/.built" ]; 491 if [ ! -f "${srcdir}/.built" ];
445 then 492 then
446 cd ${srcdir} 493 cd ${srcdir}
447 einfo "Preparing ${modulename} module" 494 einfo "Preparing ${modulename} module"
448 if [[ -n ${ECONF_PARAMS} ]] 495 if [[ -n ${ECONF_PARAMS} ]]
462 ARCH="${myARCH}" 509 ARCH="${myARCH}"
463} 510}
464 511
465linux-mod_src_install() { 512linux-mod_src_install() {
466 local modulename libdir srcdir objdir i n 513 local modulename libdir srcdir objdir i n
467 514
468 for i in ${MODULE_IGNORE} 515 for i in ${MODULE_IGNORE}
469 do 516 do
470 MODULE_NAMES=${MODULE_NAMES//${i}(*} 517 MODULE_NAMES=${MODULE_NAMES//${i}(*}
471 done 518 done
472 519
484 einfo "Installing ${modulename} module" 531 einfo "Installing ${modulename} module"
485 cd ${objdir} 532 cd ${objdir}
486 insinto ${ROOT}lib/modules/${KV_FULL}/${libdir} 533 insinto ${ROOT}lib/modules/${KV_FULL}/${libdir}
487 doins ${modulename}.${KV_OBJ} 534 doins ${modulename}.${KV_OBJ}
488 cd ${OLDPWD} 535 cd ${OLDPWD}
489 536
490 generate_modulesd ${objdir}/${modulename} 537 generate_modulesd ${objdir}/${modulename}
491 done 538 done
492} 539}
493 540
494linux-mod_pkg_postinst() { 541linux-mod_pkg_postinst() {
495 update_depmod; 542 update_depmod;
496 update_modules; 543 update_modules;
497 display_postinst; 544 update_moduledb;
498} 545}
546
547linux-mod_pkg_postrm() {
548 remove_moduledb;
549}

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