/[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 1.42 2005/07/05 13:39:26 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 $ECLASS"
85EXPORT_FUNCTIONS pkg_setup pkg_postinst src_install src_compile pkg_postrm 83EXPORT_FUNCTIONS pkg_setup pkg_postinst src_install src_compile pkg_postrm
86 84
87IUSE="${IUSE}" 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 $ECLASS eclass"
88RDEPEND="virtual/modutils
89 pcmcia? ( virtual/pcmcia )"
90DEPEND="virtual/linux-sources 90DEPEND="virtual/linux-sources
91 sys-apps/sed 91 sys-apps/sed
92 virtual/modutils
93 pcmcia? ( virtual/pcmcia )" 92 pcmcia? ( virtual/pcmcia )"
94 93
95# eclass utilities 94# eclass utilities
96# ---------------------------------- 95# ----------------------------------
96
97check_vermagic() {
98 local curr_gcc_ver=$(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 $?
189} 225}
190 226
191move_old_moduledb() { 227move_old_moduledb() {
192 local OLDDIR=${ROOT}/usr/share/module-rebuild/ 228 local OLDDIR=${ROOT}/usr/share/module-rebuild/
193 local NEWDIR=${ROOT}/var/lib/module-rebuild/ 229 local NEWDIR=${ROOT}/var/lib/module-rebuild/
194 230
195 if [[ -f ${OLDDIR}/moduledb ]]; then 231 if [[ -f ${OLDDIR}/moduledb ]]; then
196 [[ ! -d ${NEWDIR} ]] && mkdir -p ${NEWDIR} 232 [[ ! -d ${NEWDIR} ]] && mkdir -p ${NEWDIR}
197 [[ ! -f ${NEWDIR}/moduledb ]] && \ 233 [[ ! -f ${NEWDIR}/moduledb ]] && \
198 mv ${OLDDIR}/moduledb ${NEWDIR}/moduledb 234 mv ${OLDDIR}/moduledb ${NEWDIR}/moduledb
199 rm -f ${OLDDIR}/* 235 rm -f ${OLDDIR}/*
210 touch ${MODULEDB_DIR}/moduledb 246 touch ${MODULEDB_DIR}/moduledb
211 fi 247 fi
212 if [[ -z $(grep ${CATEGORY}/${PN}-${PVR} ${MODULEDB_DIR}/moduledb) ]]; then 248 if [[ -z $(grep ${CATEGORY}/${PN}-${PVR} ${MODULEDB_DIR}/moduledb) ]]; then
213 einfo "Adding module to moduledb." 249 einfo "Adding module to moduledb."
214 echo "a:1:${CATEGORY}/${PN}-${PVR}" >> ${MODULEDB_DIR}/moduledb 250 echo "a:1:${CATEGORY}/${PN}-${PVR}" >> ${MODULEDB_DIR}/moduledb
215 fi 251 fi
216} 252}
217 253
218remove_moduledb() { 254remove_moduledb() {
219 local MODULEDB_DIR=${ROOT}/var/lib/module-rebuild/ 255 local MODULEDB_DIR=${ROOT}/var/lib/module-rebuild/
220 move_old_moduledb 256 move_old_moduledb
239 275
240generate_modulesd() { 276generate_modulesd() {
241 # This function will generate the neccessary modules.d file from the 277 # This function will generate the neccessary modules.d file from the
242 # information contained in the modules exported parms 278 # information contained in the modules exported parms
243 279
244 local currm_path currm t myIFS myVAR 280 local currm_path currm currm_t t myIFS myVAR
245 local module_docs module_enabled module_aliases \ 281 local module_docs module_enabled module_aliases \
246 module_additions module_examples module_modinfo module_opts 282 module_additions module_examples module_modinfo module_opts
247 283
248 for currm_path in ${@} 284 for currm_path in ${@}
249 do 285 do
250 currm=${currm_path//*\/} 286 currm=${currm_path//*\/}
251 currm=$(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
252 292
253 module_docs="$(eval echo \${MODULESD_${currm}_DOCS})" 293 module_docs="$(eval echo \${MODULESD_${currm_t}_DOCS})"
254 module_enabled="$(eval echo \${MODULESD_${currm}_ENABLED})" 294 module_enabled="$(eval echo \${MODULESD_${currm_t}_ENABLED})"
255 module_aliases="$(eval echo \${#MODULESD_${currm/-/_}_ALIASES[*]})" 295 module_aliases="$(eval echo \${#MODULESD_${currm_t}_ALIASES[*]})"
256 module_additions="$(eval echo \${#MODULESD_${currm/-/_}_ADDITIONS[*]})" 296 module_additions="$(eval echo \${#MODULESD_${currm_t}_ADDITIONS[*]})"
257 module_examples="$(eval echo \${#MODULESD_${currm/-/_}_EXAMPLES[*]})" 297 module_examples="$(eval echo \${#MODULESD_${currm_t}_EXAMPLES[*]})"
258 298
259 [[ ${module_aliases} -eq 0 ]] && unset module_aliases 299 [[ ${module_aliases} -eq 0 ]] && unset module_aliases
260 [[ ${module_additions} -eq 0 ]] && unset module_additions 300 [[ ${module_additions} -eq 0 ]] && unset module_additions
261 [[ ${module_examples} -eq 0 ]] && unset module_examples 301 [[ ${module_examples} -eq 0 ]] && unset module_examples
262 302
263 # 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
264 # that if its set, we do want it. 304 # that if its set, we do want it.
265 [[ ${module_enabled} == no ]] && return 0 305 [[ ${module_enabled} == no ]] && return 0
266 306
267 # unset any unwanted variables. 307 # unset any unwanted variables.
268 for t in ${!module_*} 308 for t in ${!module_*}
309 echo >> ${module_config} 349 echo >> ${module_config}
310 echo "# Configurable module parameters" >> ${module_config} 350 echo "# Configurable module parameters" >> ${module_config}
311 echo "# ------------------------------" >> ${module_config} 351 echo "# ------------------------------" >> ${module_config}
312 myIFS="${IFS}" 352 myIFS="${IFS}"
313 IFS="$(echo -en "\n\b")" 353 IFS="$(echo -en "\n\b")"
314 354
315 for t in ${module_modinfo} 355 for t in ${module_modinfo}
316 do 356 do
317 myVAR="$(echo ${t#*:} | grep -e " [0-9][ =]" | sed "s:.*\([01][= ]\).*:\1:")" 357 myVAR="$(echo ${t#*:} | grep -e " [0-9][ =]" | sed "s:.*\([01][= ]\).*:\1:")"
318 if [[ -n ${myVAR} ]] 358 if [[ -n ${myVAR} ]]
319 then 359 then
320 module_opts="${module_opts} ${t%%:*}:${myVAR}" 360 module_opts="${module_opts} ${t%%:*}:${myVAR}"
321 fi 361 fi
322 echo -e "# ${t%%:*}:\t${t#*:}" >> ${module_config} 362 echo -e "# ${t%%:*}:\t${t#*:}" >> ${module_config}
323 done 363 done
324 IFS="${myIFS}" 364 IFS="${myIFS}"
325 echo '' >> ${module_config} 365 echo '' >> ${module_config}
326 fi 366 fi
327 367
328 #----------------------------------------------------------------------- 368 #-----------------------------------------------------------------------
359 echo "$(eval echo \${MODULESD_${currm}_ADDITIONS[$t]})" \ 399 echo "$(eval echo \${MODULESD_${currm}_ADDITIONS[$t]})" \
360 >> ${module_config} 400 >> ${module_config}
361 done 401 done
362 echo '' >> ${module_config} 402 echo '' >> ${module_config}
363 fi 403 fi
364 404
365 #----------------------------------------------------------------------- 405 #-----------------------------------------------------------------------
366 406
367 # then we install it 407 # then we install it
368 insinto /etc/modules.d 408 insinto /etc/modules.d
369 newins ${module_config} ${currm_path//*\/} 409 newins ${module_config} ${currm_path//*\/}
373 done 413 done
374 eend 0 414 eend 0
375 return 0 415 return 0
376} 416}
377 417
378display_postinst() {
379 # if we haven't determined the version yet, we need too.
380 get_version;
381
382 local modulename moduledir sourcedir moduletemp file i
383
384 file=${ROOT}/etc/modules.autoload.d/kernel-${KV_MAJOR}.${KV_MINOR}
385 file=${file/\/\///}
386
387 for i in ${MODULE_IGNORE}
388 do
389 MODULE_NAMES=${MODULE_NAMES//${i}(*}
390 done
391
392 if [[ -n ${MODULE_NAMES} ]]
393 then
394 einfo "If you would like to load this module automatically upon boot"
395 einfo "please type the following as root:"
396 for i in ${MODULE_NAMES}
397 do
398 unset libdir srcdir objdir
399 for n in $(find_module_params ${i})
400 do
401 eval ${n/:*}=${n/*:/}
402 done
403 einfo " # echo \"${modulename}\" >> ${file}"
404 done
405 einfo
406 fi
407}
408
409find_module_params() { 418find_module_params() {
410 local matched_offset=0 matched_opts=0 test="${@}" temp_var result 419 local matched_offset=0 matched_opts=0 test="${@}" temp_var result
411 local i=0 y=0 z=0 420 local i=0 y=0 z=0
412 421
413 for((i=0; i<=${#test}; i++)) 422 for((i=0; i<=${#test}; i++))
414 do 423 do
415 case ${test:${i}:1} in 424 case ${test:${i}:1} in
416 \() matched_offset[0]=${i};; 425 \() matched_offset[0]=${i};;
417 \:) matched_opts=$((${matched_opts} + 1)); 426 \:) matched_opts=$((${matched_opts} + 1));
418 matched_offset[${matched_opts}]="${i}";; 427 matched_offset[${matched_opts}]="${i}";;
419 \)) matched_opts=$((${matched_opts} + 1)); 428 \)) matched_opts=$((${matched_opts} + 1));
420 matched_offset[${matched_opts}]="${i}";; 429 matched_offset[${matched_opts}]="${i}";;
421 esac 430 esac
422 done 431 done
423 432
424 for((i=0; i<=${matched_opts}; i++)) 433 for((i=0; i<=${matched_opts}; i++))
425 do 434 do
426 # i = offset were working on 435 # i = offset were working on
427 # y = last offset 436 # y = last offset
428 # z = current offset - last offset 437 # z = current offset - last offset
432 *) y=$((${matched_offset[$((${i} - 1))]} + 1)) 441 *) y=$((${matched_offset[$((${i} - 1))]} + 1))
433 z=$((${matched_offset[${i}]} - ${matched_offset[$((${i} - 1))]})); 442 z=$((${matched_offset[${i}]} - ${matched_offset[$((${i} - 1))]}));
434 z=$((${z} - 1)) 443 z=$((${z} - 1))
435 tempvar=${test:${y}:${z}};; 444 tempvar=${test:${y}:${z}};;
436 esac 445 esac
437 446
438 case ${i} in 447 case ${i} in
439 0) result="${result} modulename:${tempvar}";; 448 0) result="${result} modulename:${tempvar}";;
440 1) result="${result} libdir:${tempvar}";; 449 1) result="${result} libdir:${tempvar}";;
441 2) result="${result} srcdir:${tempvar}";; 450 2) result="${result} srcdir:${tempvar}";;
442 3) result="${result} objdir:${tempvar}";; 451 3) result="${result} objdir:${tempvar}";;
443 esac 452 esac
444 done 453 done
445 454
446 echo ${result} 455 echo ${result}
447} 456}
448 457
449# default ebuild functions 458# default ebuild functions
450# -------------------------------- 459# --------------------------------
452linux-mod_pkg_setup() { 461linux-mod_pkg_setup() {
453 linux-info_pkg_setup; 462 linux-info_pkg_setup;
454 check_kernel_built; 463 check_kernel_built;
455 check_modules_supported; 464 check_modules_supported;
456 set_kvobj; 465 set_kvobj;
466 check_vermagic;
457} 467}
458 468
459linux-mod_src_compile() { 469linux-mod_src_compile() {
460 local modulename libdir srcdir objdir i n myARCH="${ARCH}" 470 local modulename libdir srcdir objdir i n myARCH="${ARCH}"
461 unset ARCH 471 ARCH="$(tc-arch-kernel)"
462 472
463 BUILD_TARGETS=${BUILD_TARGETS:-clean module} 473 BUILD_TARGETS=${BUILD_TARGETS:-clean module}
464 474
465 for i in ${MODULE_IGNORE} 475 for i in ${MODULE_IGNORE}
466 do 476 do
467 MODULE_NAMES=${MODULE_NAMES//${i}(*} 477 MODULE_NAMES=${MODULE_NAMES//${i}(*}
468 done 478 done
469 479
475 eval ${n/:*}=${n/*:/} 485 eval ${n/:*}=${n/*:/}
476 done 486 done
477 libdir=${libdir:-misc} 487 libdir=${libdir:-misc}
478 srcdir=${srcdir:-${S}} 488 srcdir=${srcdir:-${S}}
479 objdir=${objdir:-${srcdir}} 489 objdir=${objdir:-${srcdir}}
480 490
481 if [ ! -f "${srcdir}/.built" ]; 491 if [ ! -f "${srcdir}/.built" ];
482 then 492 then
483 cd ${srcdir} 493 cd ${srcdir}
484 einfo "Preparing ${modulename} module" 494 einfo "Preparing ${modulename} module"
485 if [[ -n ${ECONF_PARAMS} ]] 495 if [[ -n ${ECONF_PARAMS} ]]
499 ARCH="${myARCH}" 509 ARCH="${myARCH}"
500} 510}
501 511
502linux-mod_src_install() { 512linux-mod_src_install() {
503 local modulename libdir srcdir objdir i n 513 local modulename libdir srcdir objdir i n
504 514
505 for i in ${MODULE_IGNORE} 515 for i in ${MODULE_IGNORE}
506 do 516 do
507 MODULE_NAMES=${MODULE_NAMES//${i}(*} 517 MODULE_NAMES=${MODULE_NAMES//${i}(*}
508 done 518 done
509 519
521 einfo "Installing ${modulename} module" 531 einfo "Installing ${modulename} module"
522 cd ${objdir} 532 cd ${objdir}
523 insinto ${ROOT}lib/modules/${KV_FULL}/${libdir} 533 insinto ${ROOT}lib/modules/${KV_FULL}/${libdir}
524 doins ${modulename}.${KV_OBJ} 534 doins ${modulename}.${KV_OBJ}
525 cd ${OLDPWD} 535 cd ${OLDPWD}
526 536
527 generate_modulesd ${objdir}/${modulename} 537 generate_modulesd ${objdir}/${modulename}
528 done 538 done
529} 539}
530 540
531linux-mod_pkg_postinst() { 541linux-mod_pkg_postinst() {
532 update_depmod; 542 update_depmod;
533 update_modules; 543 update_modules;
534 update_moduledb; 544 update_moduledb;
535 display_postinst;
536} 545}
537 546
538linux-mod_pkg_postrm() { 547linux-mod_pkg_postrm() {
539 remove_moduledb; 548 remove_moduledb;
540} 549}

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