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Revision 1.83 - (show annotations) (download)
Mon Oct 27 05:20:30 2008 UTC (6 years, 1 month ago) by vapier
Branch: MAIN
Changes since 1.82: +4 -4 lines
pass CROSS_COMPILE=${CHOST}- to build process #194380

1 # Copyright 1999-2004 Gentoo Foundation
2 # Distributed under the terms of the GNU General Public License v2
3 # $Header: /var/cvsroot/gentoo-x86/eclass/linux-mod.eclass,v 1.82 2008/09/30 05:27:42 vapier Exp $
4
5 # Description: This eclass is used to interface with linux-info in such a way
6 # to provide the functionality required and initial functions
7 # required to install external modules against a kernel source
8 # tree.
9 #
10 # Author(s): John Mylchreest <johnm@gentoo.org>,
11 # Stefan Schweizer <genstef@gentoo.org>
12 # Maintainer: kernel-misc@gentoo.org
13 #
14 # Please direct your bugs to the current eclass maintainer :)
15
16 # A Couple of env vars are available to effect usage of this eclass
17 # These are as follows:
18 #
19 # Env Var Option Default Description
20 # KERNEL_DIR <string> /usr/src/linux The directory containing kernel
21 # the target kernel sources.
22 # ECONF_PARAMS <string> The parameters to pass to econf.
23 # If this is not set, then econf
24 # isn't run.
25 # BUILD_PARAMS <string> The parameters to pass to emake.
26 # BUILD_TARGETS <string> clean modules The build targets to pass to
27 # make.
28 # MODULE_NAMES <string> This is the modules which are
29 # to be built automatically using
30 # the default pkg_compile/install.
31 # They are explained properly
32 # below. It will only make
33 # BUILD_TARGETS once in any
34 # directory.
35
36 # MODULE_NAMES - Detailed Overview
37 #
38 # The structure of each MODULE_NAMES entry is as follows:
39 # modulename(libdir:srcdir:objdir)
40 # for example:
41 # MODULE_NAMES="module_pci(pci:${S}/pci:${S}) module_usb(usb:${S}/usb:${S})"
42 #
43 # what this would do is
44 # cd ${S}/pci
45 # make ${BUILD_PARAMS} ${BUILD_TARGETS}
46 # cd ${S}
47 # insinto /lib/modules/${KV_FULL}/pci
48 # doins module_pci.${KV_OBJ}
49 #
50 # cd ${S}/usb
51 # make ${BUILD_PARAMS} ${BUILD_TARGETS}
52 # cd ${S}
53 # insinto /lib/modules/${KV_FULL}/usb
54 # doins module_usb.${KV_OBJ}
55 #
56 # if the srcdir isnt specified, it assumes ${S}
57 # if the libdir isnt specified, it assumes misc.
58 # if the objdir isnt specified, it assumes srcdir
59
60 # There is also support for automated modprobe.d/modules.d(2.4) file generation.
61 # This can be explicitly enabled by setting any of the following variables.
62 #
63 #
64 # MODULESD_${modulename}_ENABLED This enables the modules.d file
65 # generation even if we dont
66 # specify any additional info.
67 # MODULESD_${modulename}_EXAMPLES This is a bash array containing
68 # a list of examples which should
69 # be used. If you want us to try and
70 # take a guess. Set this to "guess"
71 # MODULESD_${modulename}_ALIASES This is a bash array containing
72 # a list of associated aliases.
73 # MODULESD_${modulename}_ADDITIONS This is a bash array containing
74 # A list of additional things to
75 # add to the bottom of the file.
76 # This can be absolutely anything.
77 # Each entry is a new line.
78 # MODULES_${modulename}_DOCS This is a string list which contains
79 # the full path to any associated
80 # documents for $modulename
81
82 # The order of these is important as both of linux-info and eutils contain
83 # set_arch_to_kernel and set_arch_to_portage functions and the ones in eutils
84 # are deprecated in favor of the ones in linux-info.
85 # See http://bugs.gentoo.org/show_bug.cgi?id=127506
86
87 inherit eutils linux-info multilib
88 EXPORT_FUNCTIONS pkg_setup pkg_preinst pkg_postinst src_install src_compile pkg_postrm
89
90 IUSE="kernel_linux"
91 SLOT="0"
92 DESCRIPTION="Based on the $ECLASS eclass"
93 RDEPEND="kernel_linux? ( virtual/modutils )"
94 DEPEND="${RDEPEND}
95 sys-apps/sed"
96
97 # eclass utilities
98 # ----------------------------------
99
100 check_vermagic() {
101 debug-print-function ${FUNCNAME} $*
102
103 local curr_gcc_ver=$(gcc -dumpversion)
104 local tmpfile old_chost old_gcc_ver result=0
105
106 tmpfile=`find ${KV_DIR}/ -iname "*.o.cmd" -exec grep usr/lib/gcc {} \; -quit`
107 tmpfile=${tmpfile//*usr/lib}
108 tmpfile=${tmpfile//\/include*}
109 old_chost=${tmpfile//*gcc\/}
110 old_chost=${old_chost//\/*}
111 old_gcc_ver=${tmpfile//*\/}
112
113 if [[ -z ${old_gcc_ver} || -z ${old_chost} ]]; then
114 ewarn ""
115 ewarn "Unable to detect what version of GCC was used to compile"
116 ewarn "the kernel. Build will continue, but you may experience problems."
117 elif [[ ${curr_gcc_ver} != ${old_gcc_ver} ]]; then
118 ewarn ""
119 ewarn "The version of GCC you are using (${curr_gcc_ver}) does"
120 ewarn "not match the version of GCC used to compile the"
121 ewarn "kernel (${old_gcc_ver})."
122 result=1
123 elif [[ ${CHOST} != ${old_chost} ]]; then
124 ewarn ""
125 ewarn "The current CHOST (${CHOST}) does not match the chost"
126 ewarn "used when compiling the kernel (${old_chost})."
127 result=1
128 fi
129
130 if [[ ${result} -gt 0 ]]; then
131 ewarn ""
132 ewarn "Build will not continue, because you will experience problems."
133 ewarn "To fix this either change the version of GCC you wish to use"
134 ewarn "to match the kernel, or recompile the kernel first."
135 die "GCC Version Mismatch."
136 fi
137 }
138
139 use_m() {
140 debug-print-function ${FUNCNAME} $*
141
142 # if we haven't determined the version yet, we need too.
143 get_version;
144
145 # if the kernel version is greater than 2.6.6 then we should use
146 # M= instead of SUBDIRS=
147 [ ${KV_MAJOR} -eq 2 -a ${KV_MINOR} -gt 5 -a ${KV_PATCH} -gt 5 ] && \
148 return 0 || return 1
149 }
150
151 convert_to_m() {
152 debug-print-function ${FUNCNAME} $*
153
154 if use_m
155 then
156 [ ! -f "${1}" ] && \
157 die "convert_to_m() requires a filename as an argument"
158 ebegin "Converting ${1/${WORKDIR}\//} to use M= instead of SUBDIRS="
159 sed -i 's:SUBDIRS=:M=:g' ${1}
160 eend $?
161 fi
162 }
163
164 update_depmod() {
165 debug-print-function ${FUNCNAME} $*
166
167 # if we haven't determined the version yet, we need too.
168 get_version;
169
170 ebegin "Updating module dependencies for ${KV_FULL}"
171 if [ -r ${KV_OUT_DIR}/System.map ]
172 then
173 depmod -ae -F ${KV_OUT_DIR}/System.map -b ${ROOT} -r ${KV_FULL}
174 eend $?
175 else
176 ewarn
177 ewarn "${KV_OUT_DIR}/System.map not found."
178 ewarn "You must manually update the kernel module dependencies using depmod."
179 eend 1
180 ewarn
181 fi
182 }
183
184 update_modules() {
185 debug-print-function ${FUNCNAME} $*
186
187 if [ -x /sbin/update-modules ] && \
188 grep -v -e "^#" -e "^$" ${D}/etc/modules.d/* >/dev/null 2>&1; then
189 ebegin "Updating modules.conf"
190 /sbin/update-modules
191 eend $?
192 elif [ -x /sbin/update-modules ] && \
193 grep -v -e "^#" -e "^$" ${D}/etc/modules.d/* >/dev/null 2>&1; then
194 ebegin "Updating modules.conf"
195 /sbin/update-modules
196 eend $?
197 fi
198 }
199
200 move_old_moduledb() {
201 debug-print-function ${FUNCNAME} $*
202
203 local OLDDIR=${ROOT}/usr/share/module-rebuild/
204 local NEWDIR=${ROOT}/var/lib/module-rebuild/
205
206 if [[ -f ${OLDDIR}/moduledb ]]; then
207 [[ ! -d ${NEWDIR} ]] && mkdir -p ${NEWDIR}
208 [[ ! -f ${NEWDIR}/moduledb ]] && \
209 mv ${OLDDIR}/moduledb ${NEWDIR}/moduledb
210 rm -f ${OLDDIR}/*
211 rmdir ${OLDDIR}
212 fi
213 }
214
215 update_moduledb() {
216 debug-print-function ${FUNCNAME} $*
217
218 local MODULEDB_DIR=${ROOT}/var/lib/module-rebuild/
219 move_old_moduledb
220
221 if [[ ! -f ${MODULEDB_DIR}/moduledb ]]; then
222 [[ ! -d ${MODULEDB_DIR} ]] && mkdir -p ${MODULEDB_DIR}
223 touch ${MODULEDB_DIR}/moduledb
224 fi
225
226 if ! grep -qs ${CATEGORY}/${PN}-${PVR} ${MODULEDB_DIR}/moduledb ; then
227 einfo "Adding module to moduledb."
228 echo "a:1:${CATEGORY}/${PN}-${PVR}" >> ${MODULEDB_DIR}/moduledb
229 fi
230 }
231
232 remove_moduledb() {
233 debug-print-function ${FUNCNAME} $*
234
235 local MODULEDB_DIR=${ROOT}/var/lib/module-rebuild/
236 move_old_moduledb
237
238 if grep -qs ${CATEGORY}/${PN}-${PVR} ${MODULEDB_DIR}/moduledb ; then
239 einfo "Removing ${CATEGORY}/${PN}-${PVR} from moduledb."
240 sed -i -e "/.*${CATEGORY}\/${PN}-${PVR}.*/d" ${MODULEDB_DIR}/moduledb
241 fi
242 }
243
244 set_kvobj() {
245 debug-print-function ${FUNCNAME} $*
246
247 if kernel_is 2 6
248 then
249 KV_OBJ="ko"
250 else
251 KV_OBJ="o"
252 fi
253 # Do we really need to know this?
254 # Lets silence it.
255 # einfo "Using KV_OBJ=${KV_OBJ}"
256 }
257
258 get-KERNEL_CC() {
259 debug-print-function ${FUNCNAME} $*
260
261 if [[ -n ${KERNEL_CC} ]] ; then
262 echo "${KERNEL_CC}"
263 return
264 fi
265
266 local kernel_cc
267 if [ -n "${KERNEL_ABI}" ]; then
268 # In future, an arch might want to define CC_$ABI
269 #kernel_cc="$(get_abi_CC)"
270 #[ -z "${kernel_cc}" ] &&
271 kernel_cc="$(tc-getCC $(ABI=${KERNEL_ABI} get_abi_CHOST))"
272 else
273 kernel_cc=$(tc-getCC)
274 fi
275 echo "${kernel_cc}"
276 }
277
278 generate_modulesd() {
279 debug-print-function ${FUNCNAME} $*
280
281 # This function will generate the neccessary modules.d file from the
282 # information contained in the modules exported parms
283
284 local currm_path currm currm_t t myIFS myVAR
285 local module_docs module_enabled module_aliases \
286 module_additions module_examples module_modinfo module_opts
287
288 for currm_path in ${@}
289 do
290 currm=${currm_path//*\/}
291 currm=$(echo ${currm} | tr '[:lower:]' '[:upper:]')
292 currm_t=${currm}
293 while [[ -z ${currm_t//*-*} ]]; do
294 currm_t=${currm_t/-/_}
295 done
296
297 module_docs="$(eval echo \${MODULESD_${currm_t}_DOCS})"
298 module_enabled="$(eval echo \${MODULESD_${currm_t}_ENABLED})"
299 module_aliases="$(eval echo \${#MODULESD_${currm_t}_ALIASES[*]})"
300 module_additions="$(eval echo \${#MODULESD_${currm_t}_ADDITIONS[*]})"
301 module_examples="$(eval echo \${#MODULESD_${currm_t}_EXAMPLES[*]})"
302
303 [[ ${module_aliases} -eq 0 ]] && unset module_aliases
304 [[ ${module_additions} -eq 0 ]] && unset module_additions
305 [[ ${module_examples} -eq 0 ]] && unset module_examples
306
307 # If we specify we dont want it, then lets exit, otherwise we assume
308 # that if its set, we do want it.
309 [[ ${module_enabled} == no ]] && return 0
310
311 # unset any unwanted variables.
312 for t in ${!module_*}
313 do
314 [[ -z ${!t} ]] && unset ${t}
315 done
316
317 [[ -z ${!module_*} ]] && return 0
318
319 # OK so now if we have got this far, then we know we want to continue
320 # and generate the modules.d file.
321 module_modinfo="$(modinfo -p ${currm_path}.${KV_OBJ})"
322 module_config="${T}/modulesd-${currm}"
323
324 ebegin "Preparing file for modules.d"
325 #-----------------------------------------------------------------------
326 echo "# modules.d configuration file for ${currm}" >> ${module_config}
327 #-----------------------------------------------------------------------
328 [[ -n ${module_docs} ]] && \
329 echo "# For more information please read:" >> ${module_config}
330 for t in ${module_docs}
331 do
332 echo "# ${t//*\/}" >> ${module_config}
333 done
334 echo >> ${module_config}
335
336 #-----------------------------------------------------------------------
337 if [[ ${module_aliases} -gt 0 ]]
338 then
339 echo "# Internal Aliases - Do not edit" >> ${module_config}
340 echo "# ------------------------------" >> ${module_config}
341
342 for((t=0; t<${module_aliases}; t++))
343 do
344 echo "alias $(eval echo \${MODULESD_${currm}_ALIASES[$t]})" \
345 >> ${module_config}
346 done
347 echo '' >> ${module_config}
348 fi
349
350 #-----------------------------------------------------------------------
351 if [[ -n ${module_modinfo} ]]
352 then
353 echo >> ${module_config}
354 echo "# Configurable module parameters" >> ${module_config}
355 echo "# ------------------------------" >> ${module_config}
356 myIFS="${IFS}"
357 IFS="$(echo -en "\n\b")"
358
359 for t in ${module_modinfo}
360 do
361 myVAR="$(echo ${t#*:} | grep -e " [0-9][ =]" | sed "s:.*\([01][= ]\).*:\1:")"
362 if [[ -n ${myVAR} ]]
363 then
364 module_opts="${module_opts} ${t%%:*}:${myVAR}"
365 fi
366 echo -e "# ${t%%:*}:\t${t#*:}" >> ${module_config}
367 done
368 IFS="${myIFS}"
369 echo '' >> ${module_config}
370 fi
371
372 #-----------------------------------------------------------------------
373 if [[ $(eval echo \${MODULESD_${currm}_ALIASES[0]}) == guess ]]
374 then
375 # So lets do some guesswork eh?
376 if [[ -n ${module_opts} ]]
377 then
378 echo "# For Example..." >> ${module_config}
379 echo "# --------------" >> ${module_config}
380 for t in ${module_opts}
381 do
382 echo "# options ${currm} ${t//:*}=${t//*:}" >> ${module_config}
383 done
384 echo '' >> ${module_config}
385 fi
386 elif [[ ${module_examples} -gt 0 ]]
387 then
388 echo "# For Example..." >> ${module_config}
389 echo "# --------------" >> ${module_config}
390 for((t=0; t<${module_examples}; t++))
391 do
392 echo "options $(eval echo \${MODULESD_${currm}_EXAMPLES[$t]})" \
393 >> ${module_config}
394 done
395 echo '' >> ${module_config}
396 fi
397
398 #-----------------------------------------------------------------------
399 if [[ ${module_additions} -gt 0 ]]
400 then
401 for((t=0; t<${module_additions}; t++))
402 do
403 echo "$(eval echo \${MODULESD_${currm}_ADDITIONS[$t]})" \
404 >> ${module_config}
405 done
406 echo '' >> ${module_config}
407 fi
408
409 #-----------------------------------------------------------------------
410
411 # then we install it
412 if kernel_is ge 2 6; then
413 insinto /etc/modprobe.d
414 else
415 insinto /etc/modules.d
416 fi
417 newins ${module_config} ${currm_path//*\/}
418
419 # and install any documentation we might have.
420 [[ -n ${module_docs} ]] && dodoc ${module_docs}
421 done
422 eend 0
423 return 0
424 }
425
426 find_module_params() {
427 debug-print-function ${FUNCNAME} $*
428
429 local matched_offset=0 matched_opts=0 test="${@}" temp_var result
430 local i=0 y=0 z=0
431
432 for((i=0; i<=${#test}; i++))
433 do
434 case ${test:${i}:1} in
435 \() matched_offset[0]=${i};;
436 \:) matched_opts=$((${matched_opts} + 1));
437 matched_offset[${matched_opts}]="${i}";;
438 \)) matched_opts=$((${matched_opts} + 1));
439 matched_offset[${matched_opts}]="${i}";;
440 esac
441 done
442
443 for((i=0; i<=${matched_opts}; i++))
444 do
445 # i = offset were working on
446 # y = last offset
447 # z = current offset - last offset
448 # temp_var = temporary name
449 case ${i} in
450 0) tempvar=${test:0:${matched_offset[0]}};;
451 *) y=$((${matched_offset[$((${i} - 1))]} + 1))
452 z=$((${matched_offset[${i}]} - ${matched_offset[$((${i} - 1))]}));
453 z=$((${z} - 1))
454 tempvar=${test:${y}:${z}};;
455 esac
456
457 case ${i} in
458 0) result="${result} modulename:${tempvar}";;
459 1) result="${result} libdir:${tempvar}";;
460 2) result="${result} srcdir:${tempvar}";;
461 3) result="${result} objdir:${tempvar}";;
462 esac
463 done
464
465 echo ${result}
466 }
467
468 # default ebuild functions
469 # --------------------------------
470
471 linux-mod_pkg_setup() {
472 debug-print-function ${FUNCNAME} $*
473
474 linux-info_pkg_setup;
475 require_configured_kernel
476 check_kernel_built;
477 strip_modulenames;
478 [[ -n ${MODULE_NAMES} ]] && check_modules_supported
479 set_kvobj;
480 # Commented out with permission from johnm until a fixed version for arches
481 # who intentionally use different kernel and userland compilers can be
482 # introduced - Jason Wever <weeve@gentoo.org>, 23 Oct 2005
483 #check_vermagic;
484 }
485
486 strip_modulenames() {
487 debug-print-function ${FUNCNAME} $*
488
489 local i
490 for i in ${MODULE_IGNORE}; do
491 MODULE_NAMES=${MODULE_NAMES//${i}(*}
492 done
493 }
494
495 linux-mod_src_compile() {
496 debug-print-function ${FUNCNAME} $*
497
498 local modulename libdir srcdir objdir i n myARCH="${ARCH}" myABI="${ABI}"
499 ARCH="$(tc-arch-kernel)"
500 ABI="${KERNEL_ABI}"
501
502 BUILD_TARGETS=${BUILD_TARGETS:-clean module}
503 strip_modulenames;
504 cd "${S}"
505 for i in ${MODULE_NAMES}
506 do
507 unset libdir srcdir objdir
508 for n in $(find_module_params ${i})
509 do
510 eval ${n/:*}=${n/*:/}
511 done
512 libdir=${libdir:-misc}
513 srcdir=${srcdir:-${S}}
514 objdir=${objdir:-${srcdir}}
515
516 if [ ! -f "${srcdir}/.built" ];
517 then
518 cd ${srcdir}
519 einfo "Preparing ${modulename} module"
520 if [[ -n ${ECONF_PARAMS} ]]
521 then
522 econf ${ECONF_PARAMS} || \
523 die "Unable to run econf ${ECONF_PARAMS}"
524 fi
525
526 # This looks messy, but it is needed to handle multiple variables
527 # being passed in the BUILD_* stuff where the variables also have
528 # spaces that must be preserved. If don't do this, then the stuff
529 # inside the variables gets used as targets for Make, which then
530 # fails.
531 eval "emake HOSTCC=\"$(tc-getBUILD_CC)\" \
532 CROSS_COMPILE=${CHOST}- \
533 LDFLAGS=\"$(get_abi_LDFLAGS)\" \
534 ${BUILD_FIXES} \
535 ${BUILD_PARAMS} \
536 ${BUILD_TARGETS} " \
537 || die "Unable to emake HOSTCC="$(tc-getBUILD_CC)" CROSS_COMPILE=${CHOST}- LDFLAGS="$(get_abi_LDFLAGS)" ${BUILD_FIXES} ${BUILD_PARAMS} ${BUILD_TARGETS}"
538 touch ${srcdir}/.built
539 cd ${OLDPWD}
540 fi
541 done
542
543 ARCH="${myARCH}"
544 ABI="${myABI}"
545 }
546
547 linux-mod_src_install() {
548 debug-print-function ${FUNCNAME} $*
549
550 local modulename libdir srcdir objdir i n
551
552 strip_modulenames;
553 for i in ${MODULE_NAMES}
554 do
555 unset libdir srcdir objdir
556 for n in $(find_module_params ${i})
557 do
558 eval ${n/:*}=${n/*:/}
559 done
560 libdir=${libdir:-misc}
561 srcdir=${srcdir:-${S}}
562 objdir=${objdir:-${srcdir}}
563
564 einfo "Installing ${modulename} module"
565 cd ${objdir} || die "${objdir} does not exist"
566 insinto /lib/modules/${KV_FULL}/${libdir}
567 doins ${modulename}.${KV_OBJ} || die "doins ${modulename}.${KV_OBJ} failed"
568 cd ${OLDPWD}
569
570 generate_modulesd ${objdir}/${modulename}
571 done
572 }
573
574 linux-mod_pkg_preinst() {
575 debug-print-function ${FUNCNAME} $*
576
577 [ -d "${D}lib/modules" ] && UPDATE_DEPMOD=true || UPDATE_DEPMOD=false
578 [ -d "${D}etc/modules.d" ] && UPDATE_MODULES=true || UPDATE_MODULES=false
579 [ -d "${D}lib/modules" ] && UPDATE_MODULEDB=true || UPDATE_MODULEDB=false
580 }
581
582 linux-mod_pkg_postinst() {
583 debug-print-function ${FUNCNAME} $*
584
585 ${UPDATE_DEPMOD} && update_depmod;
586 ${UPDATE_MODULES} && update_modules;
587 ${UPDATE_MODULEDB} && update_moduledb;
588 }
589
590 linux-mod_pkg_postrm() {
591 debug-print-function ${FUNCNAME} $*
592 remove_moduledb;
593 }

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