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Revision 1.9 Revision 1.86
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 1.9 2004/12/06 22:23:17 johnm Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/linux-mod.eclass,v 1.86 2008/10/31 22:24:55 dsd Exp $
4 4
5# This eclass provides functions for compiling external kernel modules 5# Author(s): John Mylchreest <johnm@gentoo.org>,
6# from source. 6# Stefan Schweizer <genstef@gentoo.org>
7# Maintainer: kernel-misc@gentoo.org
8#
9# Please direct your bugs to the current eclass maintainer :)
7 10
8inherit linux-info 11# @ECLASS: linux-mod.eclass
9ECLASS=linux-mod 12# @MAINTAINER:
10INHERITED="$INHERITED $ECLASS" 13# kernel-misc@gentoo.org
11EXPORT_FUNCTIONS pkg_setup pkg_postinst src_compile 14# @BLURB: It provides the functionality required to install external modules against a kernel source tree.
15# @DESCRIPTION:
16# This eclass is used to interface with linux-info.eclass in such a way
17# to provide the functionality and initial functions
18# required to install external modules against a kernel source
19# tree.
12 20
21# A Couple of env vars are available to effect usage of this eclass
22# These are as follows:
23
24# @ECLASS-VARIABLE: KERNEL_DIR
25# @DESCRIPTION:
26# A string containing the directory of the target kernel sources. The default value is
27# "/usr/src/linux"
28
29# @ECLASS-VARIABLE: ECONF_PARAMS
30# @DESCRIPTION:
31# It's a string containing the parameters to pass to econf.
32# If this is not set, then econf isn't run.
33
34# @ECLASS-VARIABLE: BUILD_PARAMS
35# @DESCRIPTION:
36# It's a string with the parameters to pass to emake.
37
38# @ECLASS-VARIABLE: BUILD_TARGETS
39# @DESCRIPTION:
40# It's a string with the build targets to pass to make. The default value is "clean modules"
41
42# @ECLASS-VARIABLE: MODULE_NAMES
43# @DESCRIPTION:
44# It's a string containing the modules to be built automatically using the default
45# src_compile/src_install. It will only make ${BUILD_TARGETS} once in any directory.
46
47#
48# The structure of each MODULE_NAMES entry is as follows:
49#
50# modulename(libdir:srcdir:objdir)
51#
52# where:
53#
54# modulename = name of the module file excluding the .ko
55# libdir = place in system modules directory where module is installed:
56# srcdir = place for ebuild to cd to before running make
57# objdir = place the .ko and objects are located after make runs
58#
59# To get an idea of how these variables are used, here's a few lines
60# of code from around line 540 in this eclass:
61#
62# einfo "Installing ${modulename} module"
63# cd ${objdir} || die "${objdir} does not exist"
64# insinto /lib/modules/${KV_FULL}/${libdir}
65# doins ${modulename}.${KV_OBJ} || die "doins ${modulename}.${KV_OBJ} failed"
66#
67# For example:
68# MODULE_NAMES="module_pci(pci:${S}/pci:${S}) module_usb(usb:${S}/usb:${S})"
69#
70# what this would do is
71#
72# cd "${S}"/pci
73# make ${BUILD_PARAMS} ${BUILD_TARGETS}
74# cd "${S}"
75# insinto /lib/modules/${KV_FULL}/pci
76# doins module_pci.${KV_OBJ}
77#
78# cd "${S}"/usb
79# make ${BUILD_PARAMS} ${BUILD_TARGETS}
80# cd "${S}"
81# insinto /lib/modules/${KV_FULL}/usb
82# doins module_usb.${KV_OBJ}
83
84# There is also support for automated modprobe.d/modules.d(2.4) file generation.
85# This can be explicitly enabled by setting any of the following variables.
86
87# @ECLASS-VARIABLE: MODULESD_<modulename>_ENABLED
88# @DESCRIPTION:
89# This is used to disable the modprobe.d/modules.d file generation otherwise the file will be
90# always generated (unless no MODULESD_<modulename>_* variable is provided). Set to "no" to disable
91# the generation of the file and the installation of the documentation.
92
93# @ECLASS-VARIABLE: MODULESD_<modulename>_EXAMPLES
94# @DESCRIPTION:
95# This is a bash array containing a list of examples which should
96# be used. If you want us to try and take a guess set this to "guess".
97#
98# For each array_component it's added an options line in the modprobe.d/modules.d file
99#
100# options array_component
101#
102# where array_component is "<modulename> options" (see modprobe.conf(5))
103
104# @ECLASS-VARIABLE: MODULESD_<modulename>_ALIASES
105# @DESCRIPTION:
106# This is a bash array containing a list of associated aliases.
107#
108# For each array_component it's added an alias line in the modprobe.d/modules.d file
109#
110# alias array_component
111#
112# where array_component is "wildcard <modulename>" (see modprobe.conf(5))
113
114# @ECLASS-VARIABLE: MODULESD_<modulename>_ADDITIONS
115# @DESCRIPTION:
116# This is a bash array containing a list of additional things to
117# add to the bottom of the file. This can be absolutely anything.
118# Each entry is a new line.
119
120# @ECLASS-VARIABLE: MODULESD_<modulename>_DOCS
121# @DESCRIPTION:
122# This is a string list which contains the full path to any associated
123# documents for <modulename>. These files are installed in the live tree.
124
125# @ECLASS-VARIABLE: KV_OBJ
126# @DESCRIPTION:
127# It's a read-only variable. It contains the extension of the kernel modules.
128
129# The order of these is important as both of linux-info and eutils contain
130# set_arch_to_kernel and set_arch_to_portage functions and the ones in eutils
131# are deprecated in favor of the ones in linux-info.
132# See http://bugs.gentoo.org/show_bug.cgi?id=127506
133
134inherit eutils linux-info multilib
135EXPORT_FUNCTIONS pkg_setup pkg_preinst pkg_postinst src_install src_compile pkg_postrm
136
137IUSE="kernel_linux"
138SLOT="0"
13DESCRIPTION="Based on the $ECLASS eclass" 139DESCRIPTION="Based on the $ECLASS eclass"
14SLOT=0 140RDEPEND="kernel_linux? ( virtual/modutils )"
15DEPEND="virtual/linux-sources 141DEPEND="${RDEPEND}
16 sys-apps/sed" 142 sys-apps/sed"
17
18
19# This eclass is designed to help ease the installation of external kernel
20# modules into the kernel tree.
21
22 143
23# eclass utilities 144# eclass utilities
24# ---------------------------------- 145# ----------------------------------
25 146
147check_vermagic() {
148 debug-print-function ${FUNCNAME} $*
149
150 local curr_gcc_ver=$(gcc -dumpversion)
151 local tmpfile old_chost old_gcc_ver result=0
152
153 tmpfile=`find ${KV_DIR}/ -iname "*.o.cmd" -exec grep usr/lib/gcc {} \; -quit`
154 tmpfile=${tmpfile//*usr/lib}
155 tmpfile=${tmpfile//\/include*}
156 old_chost=${tmpfile//*gcc\/}
157 old_chost=${old_chost//\/*}
158 old_gcc_ver=${tmpfile//*\/}
159
160 if [[ -z ${old_gcc_ver} || -z ${old_chost} ]]; then
161 ewarn ""
162 ewarn "Unable to detect what version of GCC was used to compile"
163 ewarn "the kernel. Build will continue, but you may experience problems."
164 elif [[ ${curr_gcc_ver} != ${old_gcc_ver} ]]; then
165 ewarn ""
166 ewarn "The version of GCC you are using (${curr_gcc_ver}) does"
167 ewarn "not match the version of GCC used to compile the"
168 ewarn "kernel (${old_gcc_ver})."
169 result=1
170 elif [[ ${CHOST} != ${old_chost} ]]; then
171 ewarn ""
172 ewarn "The current CHOST (${CHOST}) does not match the chost"
173 ewarn "used when compiling the kernel (${old_chost})."
174 result=1
175 fi
176
177 if [[ ${result} -gt 0 ]]; then
178 ewarn ""
179 ewarn "Build will not continue, because you will experience problems."
180 ewarn "To fix this either change the version of GCC you wish to use"
181 ewarn "to match the kernel, or recompile the kernel first."
182 die "GCC Version Mismatch."
183 fi
184}
185
186# @FUNCTION: use_m
187# @RETURN: true or false
188# @DESCRIPTION:
189# It checks if the kernel version is greater than 2.6.5.
26use_m() { 190use_m() {
191 debug-print-function ${FUNCNAME} $*
192
27 # if we haven't determined the version yet, we need too. 193 # if we haven't determined the version yet, we need too.
28 get_version; 194 get_version;
29 195
30 # if the kernel version is greater than 2.6.6 then we should use 196 # if the kernel version is greater than 2.6.6 then we should use
31 # M= instead of SUBDIRS= 197 # M= instead of SUBDIRS=
32 [ ${KV_MAJOR} -eq 2 -a ${KV_MINOR} -gt 5 -a ${KV_PATCH} -gt 5 ] && \ 198 [ ${KV_MAJOR} -eq 2 -a ${KV_MINOR} -gt 5 -a ${KV_PATCH} -gt 5 ] && \
33 return 0 || return 1 199 return 0 || return 1
34} 200}
35 201
202# @FUNCTION: convert_to_m
203# @USAGE: /path/to/the/file
204# @DESCRIPTION:
205# It converts a file (e.g. a makefile) to use M= instead of SUBDIRS=
36convert_to_m() { 206convert_to_m() {
37 [ ! -f "${1}" ] && die "convert_to_m() requires a filename as an argument" 207 debug-print-function ${FUNCNAME} $*
208
38 if use_m 209 if use_m
39 then 210 then
211 [ ! -f "${1}" ] && \
212 die "convert_to_m() requires a filename as an argument"
40 ebegin "Converting ${1/${WORKDIR}\//} to use M= instead of SUBDIRS=" 213 ebegin "Converting ${1/${WORKDIR}\//} to use M= instead of SUBDIRS="
41 sed -i 's:SUBDIRS=:M=:g' ${1} 214 sed -i 's:SUBDIRS=:M=:g' ${1}
42 eend $? 215 eend $?
43 fi 216 fi
44} 217}
45 218
219# internal function
220#
221# FUNCTION: update_depmod
222# DESCRIPTION:
223# It updates the modules.dep file for the current kernel.
46update_depmod() { 224update_depmod() {
225 debug-print-function ${FUNCNAME} $*
226
47 # if we haven't determined the version yet, we need too. 227 # if we haven't determined the version yet, we need too.
48 get_version; 228 get_version;
49 229
50 ebegin "Updating module dependencies for ${KV_FULL}" 230 ebegin "Updating module dependencies for ${KV_FULL}"
51 if [ -r ${KV_OUT_DIR}/System.map ] 231 if [ -r ${KV_OUT_DIR}/System.map ]
52 then 232 then
53 depmod -ae -F ${KV_OUT_DIR}/System.map -b ${ROOT} -r ${KV_FULL} 233 depmod -ae -F ${KV_OUT_DIR}/System.map -b ${ROOT} -r ${KV_FULL}
234 eend $?
54 else 235 else
55 ewarn 236 ewarn
56 ewarn "${KV_OUT_DIR}/System.map not found." 237 ewarn "${KV_OUT_DIR}/System.map not found."
57 ewarn "You must manually update the kernel module dependencies using depmod." 238 ewarn "You must manually update the kernel module dependencies using depmod."
239 eend 1
58 ewarn 240 ewarn
59 fi 241 fi
60 eend $?
61} 242}
62 243
244# internal function
245#
246# FUNCTION: update_modules
247# DESCRIPTION:
248# It calls the update-modules utility.
63update_modules() { 249update_modules() {
64 if [ -x /sbin/modules-update ] ; 250 debug-print-function ${FUNCNAME} $*
65 then 251
252 if [ -x /sbin/update-modules ] && \
253 grep -v -e "^#" -e "^$" ${D}/etc/modules.d/* >/dev/null 2>&1; then
66 ebegin "Updating modules.conf" 254 ebegin "Updating modules.conf"
67 /sbin/modules-update 255 /sbin/update-modules
68 eend $? 256 eend $?
257 elif [ -x /sbin/update-modules ] && \
258 grep -v -e "^#" -e "^$" ${D}/etc/modules.d/* >/dev/null 2>&1; then
259 ebegin "Updating modules.conf"
260 /sbin/update-modules
261 eend $?
69 fi 262 fi
70} 263}
71 264
265# internal function
266#
267# FUNCTION: move_old_moduledb
268# DESCRIPTION:
269# It updates the location of the database used by the module-rebuild utility.
270move_old_moduledb() {
271 debug-print-function ${FUNCNAME} $*
272
273 local OLDDIR=${ROOT}/usr/share/module-rebuild/
274 local NEWDIR=${ROOT}/var/lib/module-rebuild/
275
276 if [[ -f ${OLDDIR}/moduledb ]]; then
277 [[ ! -d ${NEWDIR} ]] && mkdir -p ${NEWDIR}
278 [[ ! -f ${NEWDIR}/moduledb ]] && \
279 mv ${OLDDIR}/moduledb ${NEWDIR}/moduledb
280 rm -f ${OLDDIR}/*
281 rmdir ${OLDDIR}
282 fi
283}
284
285# internal function
286#
287# FUNCTION: update_moduledb
288# DESCRIPTION:
289# It adds the package to the /var/lib/module-rebuild/moduledb database used by the module-rebuild utility.
290update_moduledb() {
291 debug-print-function ${FUNCNAME} $*
292
293 local MODULEDB_DIR=${ROOT}/var/lib/module-rebuild/
294 move_old_moduledb
295
296 if [[ ! -f ${MODULEDB_DIR}/moduledb ]]; then
297 [[ ! -d ${MODULEDB_DIR} ]] && mkdir -p ${MODULEDB_DIR}
298 touch ${MODULEDB_DIR}/moduledb
299 fi
300
301 if ! grep -qs ${CATEGORY}/${PN}-${PVR} ${MODULEDB_DIR}/moduledb ; then
302 einfo "Adding module to moduledb."
303 echo "a:1:${CATEGORY}/${PN}-${PVR}" >> ${MODULEDB_DIR}/moduledb
304 fi
305}
306
307# internal function
308#
309# FUNCTION: remove_moduledb
310# DESCRIPTION:
311# It removes the package from the /var/lib/module-rebuild/moduledb database used by
312# the module-rebuild utility.
313remove_moduledb() {
314 debug-print-function ${FUNCNAME} $*
315
316 local MODULEDB_DIR=${ROOT}/var/lib/module-rebuild/
317 move_old_moduledb
318
319 if grep -qs ${CATEGORY}/${PN}-${PVR} ${MODULEDB_DIR}/moduledb ; then
320 einfo "Removing ${CATEGORY}/${PN}-${PVR} from moduledb."
321 sed -i -e "/.*${CATEGORY}\/${PN}-${PVR}.*/d" ${MODULEDB_DIR}/moduledb
322 fi
323}
324
325# @FUNCTION: set_kvobj
326# @DESCRIPTION:
327# It sets the KV_OBJ variable.
72set_kvobj() { 328set_kvobj() {
329 debug-print-function ${FUNCNAME} $*
330
73 if kernel_is 2 6 331 if kernel_is 2 6
74 then 332 then
75 KV_OBJ="ko" 333 KV_OBJ="ko"
76 else 334 else
77 KV_OBJ="o" 335 KV_OBJ="o"
78 fi 336 fi
337 # Do we really need to know this?
338 # Lets silence it.
79 einfo "Using KV_OBJ=${KV_OBJ}" 339 # einfo "Using KV_OBJ=${KV_OBJ}"
80} 340}
81 341
82display_postinst() { 342get-KERNEL_CC() {
83 # if we haven't determined the version yet, we need too. 343 debug-print-function ${FUNCNAME} $*
84 get_version;
85
86 local modulename moduledir sourcedir module_temp file i
87
88 file=${ROOT}/etc/modules.autoload.d/kernel-${KV_MAJOR}.${KV_MINOR}
89 file=${file/\/\///}
90 344
91 einfo "If you would like to load this module automatically upon boot" 345 if [[ -n ${KERNEL_CC} ]] ; then
92 einfo "please type the following as root:" 346 echo "${KERNEL_CC}"
347 return
348 fi
349
350 local kernel_cc
351 if [ -n "${KERNEL_ABI}" ]; then
352 # In future, an arch might want to define CC_$ABI
353 #kernel_cc="$(get_abi_CC)"
354 #[ -z "${kernel_cc}" ] &&
355 kernel_cc="$(tc-getCC $(ABI=${KERNEL_ABI} get_abi_CHOST))"
356 else
357 kernel_cc=$(tc-getCC)
358 fi
359 echo "${kernel_cc}"
360}
361
362# internal function
363#
364# FUNCTION:
365# USAGE: /path/to/the/modulename_without_extension
366# RETURN: A file in /etc/modules.d/ (kernel < 2.6) or /etc/modprobe.d/ (kernel >= 2.6)
367# DESCRIPTION:
368# This function will generate and install the neccessary modprobe.d/modules.d file from the
369# information contained in the modules exported parms.
370# (see the variables MODULESD_<modulename>_ENABLED, MODULESD_<modulename>_EXAMPLES,
371# MODULESD_<modulename>_ALIASES, MODULESD_<modulename>_ADDITION and MODULESD_<modulename>_DOCS).
372#
373# At the end the documentation specified with MODULESD_<modulename>_DOCS is installed.
374generate_modulesd() {
375 debug-print-function ${FUNCNAME} $*
376
377 local currm_path currm currm_t t myIFS myVAR
378 local module_docs module_enabled module_aliases \
379 module_additions module_examples module_modinfo module_opts
380
381 for currm_path in ${@}
382 do
383 currm=${currm_path//*\/}
384 currm=$(echo ${currm} | tr '[:lower:]' '[:upper:]')
385 currm_t=${currm}
386 while [[ -z ${currm_t//*-*} ]]; do
387 currm_t=${currm_t/-/_}
388 done
389
390 module_docs="$(eval echo \${MODULESD_${currm_t}_DOCS})"
391 module_enabled="$(eval echo \${MODULESD_${currm_t}_ENABLED})"
392 module_aliases="$(eval echo \${#MODULESD_${currm_t}_ALIASES[*]})"
393 module_additions="$(eval echo \${#MODULESD_${currm_t}_ADDITIONS[*]})"
394 module_examples="$(eval echo \${#MODULESD_${currm_t}_EXAMPLES[*]})"
395
396 [[ ${module_aliases} -eq 0 ]] && unset module_aliases
397 [[ ${module_additions} -eq 0 ]] && unset module_additions
398 [[ ${module_examples} -eq 0 ]] && unset module_examples
399
400 # If we specify we dont want it, then lets exit, otherwise we assume
401 # that if its set, we do want it.
402 [[ ${module_enabled} == no ]] && return 0
403
404 # unset any unwanted variables.
405 for t in ${!module_*}
406 do
407 [[ -z ${!t} ]] && unset ${t}
408 done
409
410 [[ -z ${!module_*} ]] && return 0
411
412 # OK so now if we have got this far, then we know we want to continue
413 # and generate the modules.d file.
414 module_modinfo="$(modinfo -p ${currm_path}.${KV_OBJ})"
415 module_config="${T}/modulesd-${currm}"
416
417 ebegin "Preparing file for modules.d"
418 #-----------------------------------------------------------------------
419 echo "# modules.d configuration file for ${currm}" >> ${module_config}
420 #-----------------------------------------------------------------------
421 [[ -n ${module_docs} ]] && \
422 echo "# For more information please read:" >> ${module_config}
423 for t in ${module_docs}
424 do
425 echo "# ${t//*\/}" >> ${module_config}
426 done
427 echo >> ${module_config}
428
429 #-----------------------------------------------------------------------
430 if [[ ${module_aliases} -gt 0 ]]
431 then
432 echo "# Internal Aliases - Do not edit" >> ${module_config}
433 echo "# ------------------------------" >> ${module_config}
434
435 for((t=0; t<${module_aliases}; t++))
436 do
437 echo "alias $(eval echo \${MODULESD_${currm}_ALIASES[$t]})" \
438 >> ${module_config}
439 done
440 echo '' >> ${module_config}
441 fi
442
443 #-----------------------------------------------------------------------
444 if [[ -n ${module_modinfo} ]]
445 then
446 echo >> ${module_config}
447 echo "# Configurable module parameters" >> ${module_config}
448 echo "# ------------------------------" >> ${module_config}
449 myIFS="${IFS}"
450 IFS="$(echo -en "\n\b")"
451
452 for t in ${module_modinfo}
453 do
454 myVAR="$(echo ${t#*:} | grep -e " [0-9][ =]" | sed "s:.*\([01][= ]\).*:\1:")"
455 if [[ -n ${myVAR} ]]
456 then
457 module_opts="${module_opts} ${t%%:*}:${myVAR}"
458 fi
459 echo -e "# ${t%%:*}:\t${t#*:}" >> ${module_config}
460 done
461 IFS="${myIFS}"
462 echo '' >> ${module_config}
463 fi
464
465 #-----------------------------------------------------------------------
466 if [[ $(eval echo \${MODULESD_${currm}_ALIASES[0]}) == guess ]]
467 then
468 # So lets do some guesswork eh?
469 if [[ -n ${module_opts} ]]
470 then
471 echo "# For Example..." >> ${module_config}
472 echo "# --------------" >> ${module_config}
473 for t in ${module_opts}
474 do
475 echo "# options ${currm} ${t//:*}=${t//*:}" >> ${module_config}
476 done
477 echo '' >> ${module_config}
478 fi
479 elif [[ ${module_examples} -gt 0 ]]
480 then
481 echo "# For Example..." >> ${module_config}
482 echo "# --------------" >> ${module_config}
483 for((t=0; t<${module_examples}; t++))
484 do
485 echo "options $(eval echo \${MODULESD_${currm}_EXAMPLES[$t]})" \
486 >> ${module_config}
487 done
488 echo '' >> ${module_config}
489 fi
490
491 #-----------------------------------------------------------------------
492 if [[ ${module_additions} -gt 0 ]]
493 then
494 for((t=0; t<${module_additions}; t++))
495 do
496 echo "$(eval echo \${MODULESD_${currm}_ADDITIONS[$t]})" \
497 >> ${module_config}
498 done
499 echo '' >> ${module_config}
500 fi
501
502 #-----------------------------------------------------------------------
503
504 # then we install it
505 if kernel_is ge 2 6; then
506 insinto /etc/modprobe.d
507 else
508 insinto /etc/modules.d
509 fi
510 newins ${module_config} ${currm_path//*\/}
511
512 # and install any documentation we might have.
513 [[ -n ${module_docs} ]] && dodoc ${module_docs}
514 done
515 eend 0
516 return 0
517}
518
519# internal function
520#
521# FUNCTION: find_module_params
522# USAGE: A string "NAME(LIBDIR:SRCDIR:OBJDIR)"
523# RETURN: The string "modulename:NAME libdir:LIBDIR srcdir:SRCDIR objdir:OBJDIR"
524# DESCRIPTION:
525# Analyze the specification NAME(LIBDIR:SRCDIR:OBJDIR) of one module as described in MODULE_NAMES.
526find_module_params() {
527 debug-print-function ${FUNCNAME} $*
528
529 local matched_offset=0 matched_opts=0 test="${@}" temp_var result
530 local i=0 y=0 z=0
531
532 for((i=0; i<=${#test}; i++))
533 do
534 case ${test:${i}:1} in
535 \() matched_offset[0]=${i};;
536 \:) matched_opts=$((${matched_opts} + 1));
537 matched_offset[${matched_opts}]="${i}";;
538 \)) matched_opts=$((${matched_opts} + 1));
539 matched_offset[${matched_opts}]="${i}";;
540 esac
541 done
542
543 for((i=0; i<=${matched_opts}; i++))
544 do
545 # i = offset were working on
546 # y = last offset
547 # z = current offset - last offset
548 # temp_var = temporary name
549 case ${i} in
550 0) tempvar=${test:0:${matched_offset[0]}};;
551 *) y=$((${matched_offset[$((${i} - 1))]} + 1))
552 z=$((${matched_offset[${i}]} - ${matched_offset[$((${i} - 1))]}));
553 z=$((${z} - 1))
554 tempvar=${test:${y}:${z}};;
555 esac
556
557 case ${i} in
558 0) result="${result} modulename:${tempvar}";;
559 1) result="${result} libdir:${tempvar}";;
560 2) result="${result} srcdir:${tempvar}";;
561 3) result="${result} objdir:${tempvar}";;
562 esac
563 done
564
565 echo ${result}
566}
567
568# default ebuild functions
569# --------------------------------
570
571# @FUNCTION: linux-mod_pkg_setup
572# @DESCRIPTION:
573# It checks the CONFIG_CHECK options (see linux-info.eclass(5)), verifies that the kernel is
574# configured, verifies that the sources are prepared, verifies that the modules support is builtin
575# in the kernel and sets the object extension KV_OBJ.
576linux-mod_pkg_setup() {
577 debug-print-function ${FUNCNAME} $*
578
579 linux-info_pkg_setup;
580 require_configured_kernel
581 check_kernel_built;
582 strip_modulenames;
583 [[ -n ${MODULE_NAMES} ]] && check_modules_supported
584 set_kvobj;
585 # Commented out with permission from johnm until a fixed version for arches
586 # who intentionally use different kernel and userland compilers can be
587 # introduced - Jason Wever <weeve@gentoo.org>, 23 Oct 2005
588 #check_vermagic;
589}
590
591strip_modulenames() {
592 debug-print-function ${FUNCNAME} $*
593
594 local i
595 for i in ${MODULE_IGNORE}; do
596 MODULE_NAMES=${MODULE_NAMES//${i}(*}
597 done
598}
599
600# @FUNCTION: linux-mod_src_compile
601# @DESCRIPTION:
602# It compiles all the modules specified in MODULE_NAMES. For each module the econf command is
603# executed only if ECONF_PARAMS is defined, the name of the target is specified by BUILD_TARGETS
604# while the options are in BUILD_PARAMS (all the modules share these variables). The compilation
605# happens inside ${srcdir}.
606#
607# Look at the description of these variables for more details.
608linux-mod_src_compile() {
609 debug-print-function ${FUNCNAME} $*
610
611 local modulename libdir srcdir objdir i n myABI="${ABI}"
612 set_arch_to_kernel
613 ABI="${KERNEL_ABI}"
614
615 BUILD_TARGETS=${BUILD_TARGETS:-clean module}
616 strip_modulenames;
617 cd "${S}"
93 for i in ${MODULE_NAMES} 618 for i in ${MODULE_NAMES}
94 do 619 do
95 module_temp="$(echo ${i} | sed -e "s:.*(\(.*\)):\1:")" 620 unset libdir srcdir objdir
96 modulename="${i/(*/}" 621 for n in $(find_module_params ${i})
97 moduledir="${module_temp/:*/}" 622 do
98 moduledir="${moduledir:-misc}" 623 eval ${n/:*}=${n/*:/}
99 sourcedir="${module_temp/*:/}" 624 done
625 libdir=${libdir:-misc}
100 sourcedir="${sourcedir:-${S}}" 626 srcdir=${srcdir:-${S}}
101 627 objdir=${objdir:-${srcdir}}
102 einfo " # echo \"${modulename}\" >> ${file}" 628
629 if [ ! -f "${srcdir}/.built" ];
630 then
631 cd ${srcdir}
632 einfo "Preparing ${modulename} module"
633 if [[ -n ${ECONF_PARAMS} ]]
634 then
635 econf ${ECONF_PARAMS} || \
636 die "Unable to run econf ${ECONF_PARAMS}"
637 fi
638
639 # This looks messy, but it is needed to handle multiple variables
640 # being passed in the BUILD_* stuff where the variables also have
641 # spaces that must be preserved. If don't do this, then the stuff
642 # inside the variables gets used as targets for Make, which then
643 # fails.
644 eval "emake HOSTCC=\"$(tc-getBUILD_CC)\" \
645 CROSS_COMPILE=${CHOST}- \
646 LDFLAGS=\"$(get_abi_LDFLAGS)\" \
647 ${BUILD_FIXES} \
648 ${BUILD_PARAMS} \
649 ${BUILD_TARGETS} " \
650 || die "Unable to emake HOSTCC="$(tc-getBUILD_CC)" CROSS_COMPILE=${CHOST}- LDFLAGS="$(get_abi_LDFLAGS)" ${BUILD_FIXES} ${BUILD_PARAMS} ${BUILD_TARGETS}"
651 touch ${srcdir}/.built
652 cd ${OLDPWD}
653 fi
103 done 654 done
104 echo
105}
106 655
107# default ebuild functions 656 set_arch_to_portage
108# -------------------------------- 657 ABI="${myABI}"
109
110linux-mod_pkg_setup() {
111 linux-info_pkg_setup;
112 check_kernel_built;
113 check_modules_supported;
114 check_extra_config;
115 set_kvobj;
116} 658}
117 659
660# @FUNCTION: linux-mod_src_install
661# @DESCRIPTION:
662# It install the modules specified in MODULES_NAME. The modules should be inside the ${objdir}
663# directory and they are installed inside /lib/modules/${KV_FULL}/${libdir}.
664#
665# The modprobe.d/modules.d configuration file is automatically generated if the
666# MODULESD_<modulename>_* variables are defined. The only way to stop this process is by
667# setting MODULESD_<modulename>_ENABLED=no. At the end the documentation specified via
668# MODULESD_<modulename>_DOCS is also installed.
669#
670# Look at the description of these variables for more details.
118linux-mod_src_compile() { 671linux-mod_src_install() {
119 local modulename moduledir sourcedir module_temp xarch i 672 debug-print-function ${FUNCNAME} $*
120 xarch="${ARCH}"
121 unset ARCH
122 673
674 local modulename libdir srcdir objdir i n
675
676 strip_modulenames;
123 for i in ${MODULE_NAMES} 677 for i in ${MODULE_NAMES}
124 do 678 do
125 module_temp="$(echo ${i} | sed -e "s:.*(\(.*\)):\1:")" 679 unset libdir srcdir objdir
126 modulename="${i/(*/}" 680 for n in $(find_module_params ${i})
127 moduledir="${module_temp/:*/}" 681 do
128 moduledir="${moduledir:-misc}" 682 eval ${n/:*}=${n/*:/}
129 sourcedir="${module_temp/*:/}" 683 done
684 libdir=${libdir:-misc}
130 sourcedir="${sourcedir:-${S}}" 685 srcdir=${srcdir:-${S}}
131 686 objdir=${objdir:-${srcdir}}
687
132 einfo "Preparing ${modulename} module" 688 einfo "Installing ${modulename} module"
133 cd ${sourcedir} 689 cd ${objdir} || die "${objdir} does not exist"
134 emake ${BUILD_PARAMS} ${BUILD_TARGETS:-clean module} || die Unable to make ${BUILD_PARAMS} ${BUILD_TARGETS:-clean module}. 690 insinto /lib/modules/${KV_FULL}/${libdir}
691 doins ${modulename}.${KV_OBJ} || die "doins ${modulename}.${KV_OBJ} failed"
692 cd ${OLDPWD}
693
694 generate_modulesd ${objdir}/${modulename}
135 done 695 done
136 ARCH="${xarch}"
137} 696}
138 697
698# @FUNCTION: linux-mod_pkg_preinst
699# @DESCRIPTION:
700# It checks what to do after having merged the package.
139linux-mod_src_install() { 701linux-mod_pkg_preinst() {
140 local modulename moduledir sourcedir module_temp i 702 debug-print-function ${FUNCNAME} $*
141 703
142 for i in ${MODULE_NAMES} 704 [ -d "${D}lib/modules" ] && UPDATE_DEPMOD=true || UPDATE_DEPMOD=false
143 do 705 [ -d "${D}etc/modules.d" ] && UPDATE_MODULES=true || UPDATE_MODULES=false
144 module_temp="$(echo ${i} | sed -e "s:.*(\(.*\)):\1:")" 706 [ -d "${D}lib/modules" ] && UPDATE_MODULEDB=true || UPDATE_MODULEDB=false
145 modulename="${i/(*/}"
146 moduledir="${module_temp/:*/}"
147 moduledir="${moduledir:-misc}"
148 sourcedir="${module_temp/*:/}"
149 sourcedir="${sourcedir:-${S}}"
150
151 einfo "Installing ${modulename} module"
152 cd ${sourcedir}
153 insinto /lib/modules/${KV_FULL}/${moduledir}
154 doins ${modulename}.${KV_OBJ}
155 done
156} 707}
157 708
709# @FUNCTION: linux-mod_pkg_postinst
710# @DESCRIPTION:
711# It executes /sbin/depmod and adds the package to the /var/lib/module-rebuild/moduledb
712# database (if ${D}/lib/modules is created) and it runs /sbin/update-modules
713# (if ${D}/etc/modules.d is created).
158linux-mod_pkg_postinst() { 714linux-mod_pkg_postinst() {
159 update_depmod; 715 debug-print-function ${FUNCNAME} $*
160 update_modules; 716
161 display_postinst; 717 ${UPDATE_DEPMOD} && update_depmod;
718 ${UPDATE_MODULES} && update_modules;
719 ${UPDATE_MODULEDB} && update_moduledb;
162} 720}
721
722# @FUNCTION: linux-mod_pkg_postrm
723# @DESCRIPTION:
724# It removes the package from the /var/lib/module-rebuild/moduledb database but it doens't
725# call /sbin/depmod and /sbin/update-modules because the modules are still installed.
726linux-mod_pkg_postrm() {
727 debug-print-function ${FUNCNAME} $*
728 remove_moduledb;
729}
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