/[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 1.46 2005/07/07 12:05:40 brix 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/${KV_FULL}/pci
80 80
81 81
82inherit linux-info 82inherit linux-info
83EXPORT_FUNCTIONS pkg_setup pkg_postinst src_install src_compile pkg_postrm 83EXPORT_FUNCTIONS pkg_setup pkg_postinst src_install src_compile pkg_postrm
84 84
85IUSE="${IUSE} pcmcia" 85IUSE="" # don't put pcmcia here, rather in the ebuilds that actually support pcmcia
86SLOT="0" 86SLOT="0"
87DESCRIPTION="Based on the $ECLASS eclass" 87DESCRIPTION="Based on the $ECLASS eclass"
88RDEPEND="virtual/modutils 88RDEPEND="virtual/modutils
89 pcmcia? ( virtual/pcmcia )" 89 pcmcia? ( virtual/pcmcia )"
90DEPEND="${RDEPEND}
91 virtual/linux-sources 90DEPEND="virtual/linux-sources
92 sys-apps/sed" 91 sys-apps/sed
92 pcmcia? ( virtual/pcmcia )"
93 93
94# eclass utilities 94# eclass utilities
95# ---------------------------------- 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}
96 133
97unpack_pcmcia_sources() { 134unpack_pcmcia_sources() {
98 # 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
99 # 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
100 # bail out and assume pcmcia.eclass is working on it. 137 # bail out and assume pcmcia.eclass is working on it.
101 [[ -n ${PCMCIA_SOURCE_DIR} ]] && return 1 138 [[ -n ${PCMCIA_SOURCE_DIR} ]] && return 1
102 139
103 if [[ -f "${1}" ]]; then 140 if [[ -f "${1}" ]]; then
104 PCMCIA_SOURCE_DIR="${WORKDIR}/pcmcia-cs/" 141 PCMCIA_SOURCE_DIR="${WORKDIR}/pcmcia-cs/"
105 142
106 ebegin "Decompressing pcmcia-cs sources" 143 ebegin "Decompressing pcmcia-cs sources"
107 mkdir -p ${PCMCIA_SOURCE_DIR} 144 mkdir -p ${PCMCIA_SOURCE_DIR}
108 tar -xjf ${1} -C ${PCMCIA_SOURCE_DIR} 145 tar -xjf ${1} -C ${PCMCIA_SOURCE_DIR}
109 eend $? 146 eend $?
110 147
140} 177}
141 178
142use_m() { 179use_m() {
143 # if we haven't determined the version yet, we need too. 180 # if we haven't determined the version yet, we need too.
144 get_version; 181 get_version;
145 182
146 # 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
147 # M= instead of SUBDIRS= 184 # M= instead of SUBDIRS=
148 [ ${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 ] && \
149 return 0 || return 1 186 return 0 || return 1
150} 187}
161} 198}
162 199
163update_depmod() { 200update_depmod() {
164 # if we haven't determined the version yet, we need too. 201 # if we haven't determined the version yet, we need too.
165 get_version; 202 get_version;
166 203
167 ebegin "Updating module dependencies for ${KV_FULL}" 204 ebegin "Updating module dependencies for ${KV_FULL}"
168 if [ -r ${KV_OUT_DIR}/System.map ] 205 if [ -r ${KV_OUT_DIR}/System.map ]
169 then 206 then
170 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}
171 eend $? 208 eend $?
188} 225}
189 226
190move_old_moduledb() { 227move_old_moduledb() {
191 local OLDDIR=${ROOT}/usr/share/module-rebuild/ 228 local OLDDIR=${ROOT}/usr/share/module-rebuild/
192 local NEWDIR=${ROOT}/var/lib/module-rebuild/ 229 local NEWDIR=${ROOT}/var/lib/module-rebuild/
193 230
194 if [[ -f ${OLDDIR}/moduledb ]]; then 231 if [[ -f ${OLDDIR}/moduledb ]]; then
195 [[ ! -d ${NEWDIR} ]] && mkdir -p ${NEWDIR} 232 [[ ! -d ${NEWDIR} ]] && mkdir -p ${NEWDIR}
196 [[ ! -f ${NEWDIR}/moduledb ]] && \ 233 [[ ! -f ${NEWDIR}/moduledb ]] && \
197 mv ${OLDDIR}/moduledb ${NEWDIR}/moduledb 234 mv ${OLDDIR}/moduledb ${NEWDIR}/moduledb
198 rm -f ${OLDDIR}/* 235 rm -f ${OLDDIR}/*
209 touch ${MODULEDB_DIR}/moduledb 246 touch ${MODULEDB_DIR}/moduledb
210 fi 247 fi
211 if [[ -z $(grep ${CATEGORY}/${PN}-${PVR} ${MODULEDB_DIR}/moduledb) ]]; then 248 if [[ -z $(grep ${CATEGORY}/${PN}-${PVR} ${MODULEDB_DIR}/moduledb) ]]; then
212 einfo "Adding module to moduledb." 249 einfo "Adding module to moduledb."
213 echo "a:1:${CATEGORY}/${PN}-${PVR}" >> ${MODULEDB_DIR}/moduledb 250 echo "a:1:${CATEGORY}/${PN}-${PVR}" >> ${MODULEDB_DIR}/moduledb
214 fi 251 fi
215} 252}
216 253
217remove_moduledb() { 254remove_moduledb() {
218 local MODULEDB_DIR=${ROOT}/var/lib/module-rebuild/ 255 local MODULEDB_DIR=${ROOT}/var/lib/module-rebuild/
219 move_old_moduledb 256 move_old_moduledb
238 275
239generate_modulesd() { 276generate_modulesd() {
240 # This function will generate the neccessary modules.d file from the 277 # This function will generate the neccessary modules.d file from the
241 # information contained in the modules exported parms 278 # information contained in the modules exported parms
242 279
243 local currm_path currm t myIFS myVAR 280 local currm_path currm currm_t t myIFS myVAR
244 local module_docs module_enabled module_aliases \ 281 local module_docs module_enabled module_aliases \
245 module_additions module_examples module_modinfo module_opts 282 module_additions module_examples module_modinfo module_opts
246 283
247 for currm_path in ${@} 284 for currm_path in ${@}
248 do 285 do
249 currm=${currm_path//*\/} 286 currm=${currm_path//*\/}
250 currm=$(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
251 292
252 module_docs="$(eval echo \${MODULESD_${currm}_DOCS})" 293 module_docs="$(eval echo \${MODULESD_${currm_t}_DOCS})"
253 module_enabled="$(eval echo \${MODULESD_${currm}_ENABLED})" 294 module_enabled="$(eval echo \${MODULESD_${currm_t}_ENABLED})"
254 module_aliases="$(eval echo \${#MODULESD_${currm/-/_}_ALIASES[*]})" 295 module_aliases="$(eval echo \${#MODULESD_${currm_t}_ALIASES[*]})"
255 module_additions="$(eval echo \${#MODULESD_${currm/-/_}_ADDITIONS[*]})" 296 module_additions="$(eval echo \${#MODULESD_${currm_t}_ADDITIONS[*]})"
256 module_examples="$(eval echo \${#MODULESD_${currm/-/_}_EXAMPLES[*]})" 297 module_examples="$(eval echo \${#MODULESD_${currm_t}_EXAMPLES[*]})"
257 298
258 [[ ${module_aliases} -eq 0 ]] && unset module_aliases 299 [[ ${module_aliases} -eq 0 ]] && unset module_aliases
259 [[ ${module_additions} -eq 0 ]] && unset module_additions 300 [[ ${module_additions} -eq 0 ]] && unset module_additions
260 [[ ${module_examples} -eq 0 ]] && unset module_examples 301 [[ ${module_examples} -eq 0 ]] && unset module_examples
261 302
262 # 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
263 # that if its set, we do want it. 304 # that if its set, we do want it.
264 [[ ${module_enabled} == no ]] && return 0 305 [[ ${module_enabled} == no ]] && return 0
265 306
266 # unset any unwanted variables. 307 # unset any unwanted variables.
267 for t in ${!module_*} 308 for t in ${!module_*}
308 echo >> ${module_config} 349 echo >> ${module_config}
309 echo "# Configurable module parameters" >> ${module_config} 350 echo "# Configurable module parameters" >> ${module_config}
310 echo "# ------------------------------" >> ${module_config} 351 echo "# ------------------------------" >> ${module_config}
311 myIFS="${IFS}" 352 myIFS="${IFS}"
312 IFS="$(echo -en "\n\b")" 353 IFS="$(echo -en "\n\b")"
313 354
314 for t in ${module_modinfo} 355 for t in ${module_modinfo}
315 do 356 do
316 myVAR="$(echo ${t#*:} | grep -e " [0-9][ =]" | sed "s:.*\([01][= ]\).*:\1:")" 357 myVAR="$(echo ${t#*:} | grep -e " [0-9][ =]" | sed "s:.*\([01][= ]\).*:\1:")"
317 if [[ -n ${myVAR} ]] 358 if [[ -n ${myVAR} ]]
318 then 359 then
319 module_opts="${module_opts} ${t%%:*}:${myVAR}" 360 module_opts="${module_opts} ${t%%:*}:${myVAR}"
320 fi 361 fi
321 echo -e "# ${t%%:*}:\t${t#*:}" >> ${module_config} 362 echo -e "# ${t%%:*}:\t${t#*:}" >> ${module_config}
322 done 363 done
323 IFS="${myIFS}" 364 IFS="${myIFS}"
324 echo '' >> ${module_config} 365 echo '' >> ${module_config}
325 fi 366 fi
326 367
327 #----------------------------------------------------------------------- 368 #-----------------------------------------------------------------------
358 echo "$(eval echo \${MODULESD_${currm}_ADDITIONS[$t]})" \ 399 echo "$(eval echo \${MODULESD_${currm}_ADDITIONS[$t]})" \
359 >> ${module_config} 400 >> ${module_config}
360 done 401 done
361 echo '' >> ${module_config} 402 echo '' >> ${module_config}
362 fi 403 fi
363 404
364 #----------------------------------------------------------------------- 405 #-----------------------------------------------------------------------
365 406
366 # then we install it 407 # then we install it
367 insinto /etc/modules.d 408 insinto /etc/modules.d
368 newins ${module_config} ${currm_path//*\/} 409 newins ${module_config} ${currm_path//*\/}
372 done 413 done
373 eend 0 414 eend 0
374 return 0 415 return 0
375} 416}
376 417
377display_postinst() {
378 # if we haven't determined the version yet, we need too.
379 get_version;
380
381 local modulename moduledir sourcedir moduletemp file i
382
383 file=${ROOT}/etc/modules.autoload.d/kernel-${KV_MAJOR}.${KV_MINOR}
384 file=${file/\/\///}
385
386 for i in ${MODULE_IGNORE}
387 do
388 MODULE_NAMES=${MODULE_NAMES//${i}(*}
389 done
390
391 if [[ -n ${MODULE_NAMES} ]]
392 then
393 einfo "If you would like to load this module automatically upon boot"
394 einfo "please type the following as root:"
395 for i in ${MODULE_NAMES}
396 do
397 unset libdir srcdir objdir
398 for n in $(find_module_params ${i})
399 do
400 eval ${n/:*}=${n/*:/}
401 done
402 einfo " # echo \"${modulename}\" >> ${file}"
403 done
404 einfo
405 fi
406}
407
408find_module_params() { 418find_module_params() {
409 local matched_offset=0 matched_opts=0 test="${@}" temp_var result 419 local matched_offset=0 matched_opts=0 test="${@}" temp_var result
410 local i=0 y=0 z=0 420 local i=0 y=0 z=0
411 421
412 for((i=0; i<=${#test}; i++)) 422 for((i=0; i<=${#test}; i++))
413 do 423 do
414 case ${test:${i}:1} in 424 case ${test:${i}:1} in
415 \() matched_offset[0]=${i};; 425 \() matched_offset[0]=${i};;
416 \:) matched_opts=$((${matched_opts} + 1)); 426 \:) matched_opts=$((${matched_opts} + 1));
417 matched_offset[${matched_opts}]="${i}";; 427 matched_offset[${matched_opts}]="${i}";;
418 \)) matched_opts=$((${matched_opts} + 1)); 428 \)) matched_opts=$((${matched_opts} + 1));
419 matched_offset[${matched_opts}]="${i}";; 429 matched_offset[${matched_opts}]="${i}";;
420 esac 430 esac
421 done 431 done
422 432
423 for((i=0; i<=${matched_opts}; i++)) 433 for((i=0; i<=${matched_opts}; i++))
424 do 434 do
425 # i = offset were working on 435 # i = offset were working on
426 # y = last offset 436 # y = last offset
427 # z = current offset - last offset 437 # z = current offset - last offset
431 *) y=$((${matched_offset[$((${i} - 1))]} + 1)) 441 *) y=$((${matched_offset[$((${i} - 1))]} + 1))
432 z=$((${matched_offset[${i}]} - ${matched_offset[$((${i} - 1))]})); 442 z=$((${matched_offset[${i}]} - ${matched_offset[$((${i} - 1))]}));
433 z=$((${z} - 1)) 443 z=$((${z} - 1))
434 tempvar=${test:${y}:${z}};; 444 tempvar=${test:${y}:${z}};;
435 esac 445 esac
436 446
437 case ${i} in 447 case ${i} in
438 0) result="${result} modulename:${tempvar}";; 448 0) result="${result} modulename:${tempvar}";;
439 1) result="${result} libdir:${tempvar}";; 449 1) result="${result} libdir:${tempvar}";;
440 2) result="${result} srcdir:${tempvar}";; 450 2) result="${result} srcdir:${tempvar}";;
441 3) result="${result} objdir:${tempvar}";; 451 3) result="${result} objdir:${tempvar}";;
442 esac 452 esac
443 done 453 done
444 454
445 echo ${result} 455 echo ${result}
446} 456}
447 457
448# default ebuild functions 458# default ebuild functions
449# -------------------------------- 459# --------------------------------
451linux-mod_pkg_setup() { 461linux-mod_pkg_setup() {
452 linux-info_pkg_setup; 462 linux-info_pkg_setup;
453 check_kernel_built; 463 check_kernel_built;
454 check_modules_supported; 464 check_modules_supported;
455 set_kvobj; 465 set_kvobj;
466 check_vermagic;
456} 467}
457 468
458linux-mod_src_compile() { 469linux-mod_src_compile() {
459 local modulename libdir srcdir objdir i n myARCH="${ARCH}" 470 local modulename libdir srcdir objdir i n myARCH="${ARCH}"
460 unset ARCH 471 ARCH="$(tc-arch-kernel)"
461 472
462 BUILD_TARGETS=${BUILD_TARGETS:-clean module} 473 BUILD_TARGETS=${BUILD_TARGETS:-clean module}
463 474
464 for i in ${MODULE_IGNORE} 475 for i in ${MODULE_IGNORE}
465 do 476 do
466 MODULE_NAMES=${MODULE_NAMES//${i}(*} 477 MODULE_NAMES=${MODULE_NAMES//${i}(*}
467 done 478 done
468 479
474 eval ${n/:*}=${n/*:/} 485 eval ${n/:*}=${n/*:/}
475 done 486 done
476 libdir=${libdir:-misc} 487 libdir=${libdir:-misc}
477 srcdir=${srcdir:-${S}} 488 srcdir=${srcdir:-${S}}
478 objdir=${objdir:-${srcdir}} 489 objdir=${objdir:-${srcdir}}
479 490
480 if [ ! -f "${srcdir}/.built" ]; 491 if [ ! -f "${srcdir}/.built" ];
481 then 492 then
482 cd ${srcdir} 493 cd ${srcdir}
483 einfo "Preparing ${modulename} module" 494 einfo "Preparing ${modulename} module"
484 if [[ -n ${ECONF_PARAMS} ]] 495 if [[ -n ${ECONF_PARAMS} ]]
498 ARCH="${myARCH}" 509 ARCH="${myARCH}"
499} 510}
500 511
501linux-mod_src_install() { 512linux-mod_src_install() {
502 local modulename libdir srcdir objdir i n 513 local modulename libdir srcdir objdir i n
503 514
504 for i in ${MODULE_IGNORE} 515 for i in ${MODULE_IGNORE}
505 do 516 do
506 MODULE_NAMES=${MODULE_NAMES//${i}(*} 517 MODULE_NAMES=${MODULE_NAMES//${i}(*}
507 done 518 done
508 519
520 einfo "Installing ${modulename} module" 531 einfo "Installing ${modulename} module"
521 cd ${objdir} 532 cd ${objdir}
522 insinto ${ROOT}lib/modules/${KV_FULL}/${libdir} 533 insinto ${ROOT}lib/modules/${KV_FULL}/${libdir}
523 doins ${modulename}.${KV_OBJ} 534 doins ${modulename}.${KV_OBJ}
524 cd ${OLDPWD} 535 cd ${OLDPWD}
525 536
526 generate_modulesd ${objdir}/${modulename} 537 generate_modulesd ${objdir}/${modulename}
527 done 538 done
528} 539}
529 540
530linux-mod_pkg_postinst() { 541linux-mod_pkg_postinst() {
531 update_depmod; 542 update_depmod;
532 update_modules; 543 update_modules;
533 update_moduledb; 544 update_moduledb;
534 display_postinst;
535} 545}
536 546
537linux-mod_pkg_postrm() { 547linux-mod_pkg_postrm() {
538 remove_moduledb; 548 remove_moduledb;
539} 549}

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