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Revision 1.264 - (show annotations) (download)
Thu Dec 1 23:34:18 2011 UTC (7 years, 6 months ago) by vapier
Branch: MAIN
Changes since 1.263: +2 -2 lines
convert linux-2.4/gcc-4 check to gcc-4+

1 # Copyright 1999-2011 Gentoo Foundation
2 # Distributed under the terms of the GNU General Public License v2
3 # $Header: /var/cvsroot/gentoo-x86/eclass/kernel-2.eclass,v 1.263 2011/12/01 23:32:41 vapier Exp $
4
5 # Description: kernel.eclass rewrite for a clean base regarding the 2.6
6 # series of kernel with back-compatibility for 2.4
7 #
8 # Original author: John Mylchreest <johnm@gentoo.org>
9 # Maintainer: kernel-misc@gentoo.org
10 #
11 # Please direct your bugs to the current eclass maintainer :)
12
13 # added functionality:
14 # unipatch - a flexible, singular method to extract, add and remove patches.
15
16 # A Couple of env vars are available to effect usage of this eclass
17 # These are as follows:
18 #
19 # K_USEPV - When setting the EXTRAVERSION variable, it should
20 # add PV to the end.
21 # this is useful for thigns like wolk. IE:
22 # EXTRAVERSION would be something like : -wolk-4.19-r1
23 # K_NOSETEXTRAVERSION - if this is set then EXTRAVERSION will not be
24 # automatically set within the kernel Makefile
25 # K_NOUSENAME - if this is set then EXTRAVERSION will not include the
26 # first part of ${PN} in EXTRAVERSION
27 # K_NOUSEPR - if this is set then EXTRAVERSION will not include the
28 # anything based on ${PR}.
29 # K_PREPATCHED - if the patchset is prepatched (ie: mm-sources,
30 # ck-sources, ac-sources) it will use PR (ie: -r5) as
31 # the patchset version for
32 # and not use it as a true package revision
33 # K_EXTRAEINFO - this is a new-line seperated list of einfo displays in
34 # postinst and can be used to carry additional postinst
35 # messages
36 # K_EXTRAELOG - same as K_EXTRAEINFO except using elog instead of einfo
37 # K_EXTRAEWARN - same as K_EXTRAEINFO except using ewarn instead of einfo
38 # K_SYMLINK - if this is set, then forcably create symlink anyway
39 #
40 # K_DEFCONFIG - Allow specifying a different defconfig target.
41 # If length zero, defaults to "defconfig".
42 # K_WANT_GENPATCHES - Apply genpatches to kernel source. Provide any
43 # combination of "base" and "extras"
44 # K_GENPATCHES_VER - The version of the genpatches tarball(s) to apply.
45 # A value of "5" would apply genpatches-2.6.12-5 to
46 # my-sources-2.6.12.ebuild
47 # K_SECURITY_UNSUPPORTED- If set, this kernel is unsupported by Gentoo Security
48 # K_DEBLOB_AVAILABLE - A value of "0" will disable all of the optional deblob
49 # code. If empty, will be set to "1" if deblobbing is
50 # possible. Test ONLY for "1".
51 # K_PREDEBLOBBED - This kernel was already deblobbed elsewhere.
52 # If false, either optional deblobbing will be available
53 # or the license will note the inclusion of freedist
54 # code.
55 # K_LONGTERM - If set, the eclass will search for the kernel source
56 # in the long term directories on the upstream servers
57 # as the location has been changed by upstream
58 # H_SUPPORTEDARCH - this should be a space separated list of ARCH's which
59 # can be supported by the headers ebuild
60
61 # UNIPATCH_LIST - space delimetered list of patches to be applied to the
62 # kernel
63 # UNIPATCH_EXCLUDE - an addition var to support exlusion based completely
64 # on "<passedstring>*" and not "<passedno#>_*"
65 # - this should _NOT_ be used from the ebuild as this is
66 # reserved for end users passing excludes from the cli
67 # UNIPATCH_DOCS - space delimemeted list of docs to be installed to
68 # the doc dir
69 # UNIPATCH_STRICTORDER - if this is set places patches into directories of
70 # order, so they are applied in the order passed
71
72 inherit eutils toolchain-funcs versionator multilib
73 EXPORT_FUNCTIONS pkg_setup src_unpack src_compile src_test src_install pkg_preinst pkg_postinst pkg_postrm
74
75 # Added by Daniel Ostrow <dostrow@gentoo.org>
76 # This is an ugly hack to get around an issue with a 32-bit userland on ppc64.
77 # I will remove it when I come up with something more reasonable.
78 [[ ${PROFILE_ARCH} == "ppc64" ]] && CHOST="powerpc64-${CHOST#*-}"
79
80 export CTARGET=${CTARGET:-${CHOST}}
81 if [[ ${CTARGET} == ${CHOST} && ${CATEGORY/cross-} != ${CATEGORY} ]]; then
82 export CTARGET=${CATEGORY/cross-}
83 fi
84
85 HOMEPAGE="http://www.kernel.org/ http://www.gentoo.org/ ${HOMEPAGE}"
86 [[ -z ${LICENSE} ]] && \
87 LICENSE="GPL-2"
88
89 # This is the latest KV_PATCH of the deblob tool available from the
90 # libre-sources upstream. If you bump this, you MUST regenerate the Manifests
91 # for ALL kernel-2 consumer packages where deblob is available.
92 [[ -z ${DEBLOB_MAX_VERSION} ]] && DEBLOB_MAX_VERSION=38
93
94 # No need to run scanelf/strip on kernel sources/headers (bug #134453).
95 RESTRICT="binchecks strip"
96
97 # set LINUX_HOSTCFLAGS if not already set
98 [[ -z ${LINUX_HOSTCFLAGS} ]] && \
99 LINUX_HOSTCFLAGS="-Wall -Wstrict-prototypes -Os -fomit-frame-pointer -I${S}/include"
100
101 # debugging functions
102 #==============================================================
103 # this function exists only to help debug kernel-2.eclass
104 # if you are adding new functionality in, put a call to it
105 # at the start of src_unpack, or during SRC_URI/dep generation.
106 debug-print-kernel2-variables() {
107 for v in PVR CKV OKV KV KV_FULL KV_MAJOR KV_MINOR KV_PATCH RELEASETYPE \
108 RELEASE UNIPATCH_LIST_DEFAULT UNIPATCH_LIST_GENPATCHES \
109 UNIPATCH_LIST S KERNEL_URI K_WANT_GENPATCHES ; do
110 debug-print "${v}: ${!v}"
111 done
112 }
113
114 #Eclass functions only from here onwards ...
115 #==============================================================
116 handle_genpatches() {
117 local tarball
118 [[ -z ${K_WANT_GENPATCHES} || -z ${K_GENPATCHES_VER} ]] && return 1
119
120 debug-print "Inside handle_genpatches"
121 local oldifs=${IFS}
122 export IFS="."
123 local OKV_ARRAY=( $OKV )
124 export IFS=${oldifs}
125
126 # for > 3.0 kernels, handle genpatches tarball name
127 # genpatches for 3.0 and 3.0.1 might be named
128 # genpatches-3.0-1.base.tar.bz2 and genpatches-3.0-2.base.tar.bz2
129 # respectively. Handle this.
130
131 for i in ${K_WANT_GENPATCHES} ; do
132 if [[ ${KV_MAJOR} -ge 3 ]]; then
133 if [[ ${#OKV_ARRAY[@]} -ge 3 ]]; then
134 tarball="genpatches-${KV_MAJOR}.${KV_MINOR}-${K_GENPATCHES_VER}.${i}.tar.bz2"
135 else
136 tarball="genpatches-${KV_MAJOR}.${KV_PATCH}-${K_GENPATCHES_VER}.${i}.tar.bz2"
137 fi
138 else
139 tarball="genpatches-${OKV}-${K_GENPATCHES_VER}.${i}.tar.bz2"
140 fi
141 debug-print "genpatches tarball: $tarball"
142 GENPATCHES_URI="${GENPATCHES_URI} mirror://gentoo/${tarball}"
143 UNIPATCH_LIST_GENPATCHES="${UNIPATCH_LIST_GENPATCHES} ${DISTDIR}/${tarball}"
144 done
145 }
146
147 detect_version() {
148 # this function will detect and set
149 # - OKV: Original Kernel Version (2.6.0/2.6.0-test11)
150 # - KV: Kernel Version (2.6.0-gentoo/2.6.0-test11-gentoo-r1)
151 # - EXTRAVERSION: The additional version appended to OKV (-gentoo/-gentoo-r1)
152
153 if [[ -n ${KV_FULL} ]]; then
154 # we will set this for backwards compatibility.
155 KV=${KV_FULL}
156
157 # we know KV_FULL so lets stop here. but not without resetting S
158 S=${WORKDIR}/linux-${KV_FULL}
159 return
160 fi
161
162 # CKV is used as a comparison kernel version, which is used when
163 # PV doesnt reflect the genuine kernel version.
164 # this gets set to the portage style versioning. ie:
165 # CKV=2.6.11_rc4
166 CKV=${CKV:-${PV}}
167 OKV=${OKV:-${CKV}}
168 OKV=${OKV/_beta/-test}
169 OKV=${OKV/_rc/-rc}
170 OKV=${OKV/-r*}
171 OKV=${OKV/_p*}
172
173 KV_MAJOR=$(get_version_component_range 1 ${OKV})
174 # handle if OKV is X.Y or X.Y.Z (e.g. 3.0 or 3.0.1)
175 local oldifs=${IFS}
176 export IFS="."
177 local OKV_ARRAY=( $OKV )
178 export IFS=${oldifs}
179
180 # if KV_MAJOR >= 3, then we have no more KV_MINOR
181 #if [[ ${KV_MAJOR} -lt 3 ]]; then
182 if [[ ${#OKV_ARRAY[@]} -ge 3 ]]; then
183 KV_MINOR=$(get_version_component_range 2 ${OKV})
184 KV_PATCH=$(get_version_component_range 3 ${OKV})
185 if [[ ${KV_MAJOR}${KV_MINOR}${KV_PATCH} -ge 269 ]]; then
186 KV_EXTRA=$(get_version_component_range 4- ${OKV})
187 KV_EXTRA=${KV_EXTRA/[-_]*}
188 else
189 KV_PATCH=$(get_version_component_range 3- ${OKV})
190 fi
191 else
192 KV_PATCH=$(get_version_component_range 2 ${OKV})
193 KV_EXTRA=$(get_version_component_range 3- ${OKV})
194 KV_EXTRA=${KV_EXTRA/[-_]*}
195 fi
196
197 debug-print "KV_EXTRA is ${KV_EXTRA}"
198
199 KV_PATCH=${KV_PATCH/[-_]*}
200
201 local v n=0 missing
202 #if [[ ${KV_MAJOR} -lt 3 ]]; then
203 if [[ ${#OKV_ARRAY[@]} -ge 3 ]]; then
204 for v in CKV OKV KV_{MAJOR,MINOR,PATCH} ; do
205 [[ -z ${!v} ]] && n=1 && missing="${missing}${v} ";
206 done
207 else
208 for v in CKV OKV KV_{MAJOR,PATCH} ; do
209 [[ -z ${!v} ]] && n=1 && missing="${missing}${v} ";
210 done
211 fi
212
213 [[ $n -eq 1 ]] && \
214 eerror "Missing variables: ${missing}" && \
215 die "Failed to extract kernel version (try explicit CKV in ebuild)!"
216 unset v n missing
217
218 # if [[ ${KV_MAJOR} -ge 3 ]]; then
219 if [[ ${#OKV_ARRAY[@]} -lt 3 ]]; then
220 KV_PATCH_ARR=(${KV_PATCH//\./ })
221
222 # at this point 080811, Linus is putting 3.1 kernels in 3.0 directory
223 # revisit when 3.1 is released
224 if [[ ${KV_PATCH} -gt 0 ]]; then
225 KERNEL_BASE_URI="mirror://kernel/linux/kernel/v${KV_MAJOR}.$((${KV_PATCH_ARR} - 1))"
226 else
227 KERNEL_BASE_URI="mirror://kernel/linux/kernel/v${KV_MAJOR}.${KV_PATCH_ARR}"
228 fi
229 # KERNEL_BASE_URI="mirror://kernel/linux/kernel/v${KV_MAJOR}.${KV_PATCH_ARR}"
230 [[ -n "${K_LONGTERM}" ]] &&
231 KERNEL_BASE_URI="${KERNEL_BASE_URI}/longterm/v${KV_MAJOR}.${KV_PATCH_ARR}"
232 else
233 #KERNEL_BASE_URI="mirror://kernel/linux/kernel/v${KV_MAJOR}.0"
234 #KERNEL_BASE_URI="mirror://kernel/linux/kernel/v${KV_MAJOR}.${KV_MINOR}"
235 if [[ ${KV_MAJOR} -ge 3 ]]; then
236 KERNEL_BASE_URI="mirror://kernel/linux/kernel/v${KV_MAJOR}.x"
237 else
238 KERNEL_BASE_URI="mirror://kernel/linux/kernel/v${KV_MAJOR}.${KV_MINOR}"
239 fi
240
241 [[ -n "${K_LONGTERM}" ]] &&
242 KERNEL_BASE_URI="${KERNEL_BASE_URI}/longterm"
243 #KERNEL_BASE_URI="${KERNEL_BASE_URI}/longterm/v${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}"
244 fi
245
246 debug-print "KERNEL_BASE_URI is ${KERNEL_BASE_URI}"
247
248 if [[ ${#OKV_ARRAY[@]} -ge 3 ]] && [[ ${KV_MAJOR} -ge 3 ]]; then
249 # handle non genpatch using sources correctly
250 if [[ -z ${K_WANT_GENPATCHES} && -z ${K_GENPATCHES_VER} && ${KV_PATCH} -gt 0 ]]; then
251 KERNEL_URI="${KERNEL_BASE_URI}/patch-${OKV}.bz2"
252 UNIPATCH_LIST_DEFAULT="${DISTDIR}/patch-${CKV}.bz2"
253 fi
254 KERNEL_URI="${KERNEL_URI} ${KERNEL_BASE_URI}/linux-${KV_MAJOR}.${KV_MINOR}.tar.bz2"
255 else
256 KERNEL_URI="${KERNEL_BASE_URI}/linux-${OKV}.tar.bz2"
257 fi
258
259 RELEASE=${CKV/${OKV}}
260 RELEASE=${RELEASE/_beta}
261 RELEASE=${RELEASE/_rc/-rc}
262 RELEASE=${RELEASE/_pre/-pre}
263 # We cannot trivally call kernel_is here, because it calls us to detect the
264 # version
265 #kernel_is ge 2 6 && RELEASE=${RELEASE/-pre/-git}
266 [ $(($KV_MAJOR * 1000 + ${KV_MINOR:-0})) -ge 2006 ] && RELEASE=${RELEASE/-pre/-git}
267 RELEASETYPE=${RELEASE//[0-9]}
268
269 # Now we know that RELEASE is the -rc/-git
270 # and RELEASETYPE is the same but with its numerics stripped
271 # we can work on better sorting EXTRAVERSION.
272 # first of all, we add the release
273 EXTRAVERSION="${RELEASE}"
274 debug-print "0 EXTRAVERSION:${EXTRAVERSION}"
275 [[ -n ${KV_EXTRA} ]] && [[ ${KV_MAJOR} -lt 3 ]] && EXTRAVERSION=".${KV_EXTRA}${EXTRAVERSION}"
276
277 debug-print "1 EXTRAVERSION:${EXTRAVERSION}"
278 if [[ -n "${K_NOUSEPR}" ]]; then
279 # Don't add anything based on PR to EXTRAVERSION
280 debug-print "1.0 EXTRAVERSION:${EXTRAVERSION}"
281 elif [[ -n ${K_PREPATCHED} ]]; then
282 debug-print "1.1 EXTRAVERSION:${EXTRAVERSION}"
283 EXTRAVERSION="${EXTRAVERSION}-${PN/-*}${PR/r}"
284 elif [[ "${ETYPE}" = "sources" ]]; then
285 debug-print "1.2 EXTRAVERSION:${EXTRAVERSION}"
286 # For some sources we want to use the PV in the extra version
287 # This is because upstream releases with a completely different
288 # versioning scheme.
289 case ${PN/-*} in
290 wolk) K_USEPV=1;;
291 vserver) K_USEPV=1;;
292 esac
293
294 [[ -z "${K_NOUSENAME}" ]] && EXTRAVERSION="${EXTRAVERSION}-${PN/-*}"
295 [[ -n "${K_USEPV}" ]] && EXTRAVERSION="${EXTRAVERSION}-${PV//_/-}"
296 [[ -n "${PR//r0}" ]] && EXTRAVERSION="${EXTRAVERSION}-${PR}"
297 fi
298 debug-print "2 EXTRAVERSION:${EXTRAVERSION}"
299
300 # The only messing around which should actually effect this is for KV_EXTRA
301 # since this has to limit OKV to MAJ.MIN.PAT and strip EXTRA off else
302 # KV_FULL evaluates to MAJ.MIN.PAT.EXT.EXT after EXTRAVERSION
303
304 if [[ -n ${KV_EXTRA} ]]; then
305 if [[ -n ${KV_MINOR} ]]; then
306 OKV="${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}"
307 else
308 OKV="${KV_MAJOR}.${KV_PATCH}"
309 fi
310 KERNEL_URI="${KERNEL_BASE_URI}/patch-${CKV}.bz2
311 ${KERNEL_BASE_URI}/linux-${OKV}.tar.bz2"
312 UNIPATCH_LIST_DEFAULT="${DISTDIR}/patch-${CKV}.bz2"
313 fi
314
315 # We need to set this using OKV, but we need to set it before we do any
316 # messing around with OKV based on RELEASETYPE
317 KV_FULL=${OKV}${EXTRAVERSION}
318
319 # we will set this for backwards compatibility.
320 S=${WORKDIR}/linux-${KV_FULL}
321 KV=${KV_FULL}
322
323 # -rc-git pulls can be achieved by specifying CKV
324 # for example:
325 # CKV="2.6.11_rc3_pre2"
326 # will pull:
327 # linux-2.6.10.tar.bz2 & patch-2.6.11-rc3.bz2 & patch-2.6.11-rc3-git2.bz2
328
329 if [[ ${KV_MAJOR}${KV_MINOR} -eq 26 ]]; then
330
331 if [[ ${RELEASETYPE} == -rc ]] || [[ ${RELEASETYPE} == -pre ]]; then
332 OKV="${KV_MAJOR}.${KV_MINOR}.$((${KV_PATCH} - 1))"
333 KERNEL_URI="${KERNEL_BASE_URI}/testing/patch-${CKV//_/-}.bz2
334 ${KERNEL_BASE_URI}/linux-${OKV}.tar.bz2"
335 UNIPATCH_LIST_DEFAULT="${DISTDIR}/patch-${CKV//_/-}.bz2"
336 fi
337
338 if [[ ${RELEASETYPE} == -git ]]; then
339 KERNEL_URI="${KERNEL_BASE_URI}/snapshots/patch-${OKV}${RELEASE}.bz2
340 ${KERNEL_BASE_URI}/linux-${OKV}.tar.bz2"
341 UNIPATCH_LIST_DEFAULT="${DISTDIR}/patch-${OKV}${RELEASE}.bz2"
342 fi
343
344 if [[ ${RELEASETYPE} == -rc-git ]]; then
345 OKV="${KV_MAJOR}.${KV_MINOR}.$((${KV_PATCH} - 1))"
346 KERNEL_URI="${KERNEL_BASE_URI}/snapshots/patch-${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}${RELEASE}.bz2
347 ${KERNEL_BASE_URI}/testing/patch-${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}${RELEASE/-git*}.bz2
348 ${KERNEL_BASE_URI}/linux-${OKV}.tar.bz2"
349
350 UNIPATCH_LIST_DEFAULT="${DISTDIR}/patch-${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}${RELEASE/-git*}.bz2 ${DISTDIR}/patch-${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}${RELEASE}.bz2"
351 fi
352 else
353 if [[ ${RELEASETYPE} == -rc ]] || [[ ${RELEASETYPE} == -pre ]]; then
354 if [[ ${KV_MAJOR}${KV_PATCH} -eq 30 ]]; then
355 OKV="2.6.39"
356 else
357 KV_PATCH_ARR=(${KV_PATCH//\./ })
358 OKV="${KV_MAJOR}.$((${KV_PATCH_ARR} - 1))"
359 fi
360 KERNEL_URI="${KERNEL_BASE_URI}/testing/patch-${CKV//_/-}.bz2
361 ${KERNEL_BASE_URI}/testing/linux-${OKV}.tar.bz2"
362 UNIPATCH_LIST_DEFAULT="${DISTDIR}/patch-${CKV//_/-}.bz2"
363 fi
364
365 if [[ ${RELEASETYPE} == -git ]]; then
366 KERNEL_URI="${KERNEL_BASE_URI}/snapshots/patch-${OKV}${RELEASE}.bz2
367 ${KERNEL_BASE_URI}/linux-${OKV}.tar.bz2"
368 UNIPATCH_LIST_DEFAULT="${DISTDIR}/patch-${OKV}${RELEASE}.bz2"
369 fi
370
371 if [[ ${RELEASETYPE} == -rc-git ]]; then
372 if [[ ${KV_MAJOR}${KV_PATCH} -eq 30 ]]; then
373 OKV="2.6.39"
374 else
375 KV_PATCH_ARR=(${KV_PATCH//\./ })
376 OKV="${KV_MAJOR}.$((${KV_PATCH_ARR} - 1))"
377 fi
378 KERNEL_URI="${KERNEL_BASE_URI}/snapshots/patch-${KV_MAJOR}.${KV_PATCH}${RELEASE}.bz2
379 ${KERNEL_BASE_URI}/testing/patch-${KV_MAJOR}.${KV_PATCH}${RELEASE/-git*}.bz2
380 ${KERNEL_BASE_URI}/linux-${OKV}.tar.bz2"
381
382 UNIPATCH_LIST_DEFAULT="${DISTDIR}/patch-${KV_MAJOR}.${KV_PATCH}${RELEASE/-git*}.bz2 ${DISTDIR}/patch-${KV_MAJOR}.${KV_PATCH}${RELEASE}.bz2"
383 fi
384
385
386 fi
387
388
389 debug-print-kernel2-variables
390
391 handle_genpatches
392 }
393
394 kernel_is() {
395 # ALL of these should be set before we can safely continue this function.
396 # some of the sources have in the past had only one set.
397 local v n=0
398 for v in OKV KV_{MAJOR,MINOR,PATCH} ; do [[ -z ${!v} ]] && n=1 ; done
399 [[ $n -eq 1 ]] && detect_version
400 unset v n
401
402 # Now we can continue
403 local operator test value x=0 y=0 z=0
404
405 case ${1} in
406 lt) operator="-lt"; shift;;
407 gt) operator="-gt"; shift;;
408 le) operator="-le"; shift;;
409 ge) operator="-ge"; shift;;
410 eq) operator="-eq"; shift;;
411 *) operator="-eq";;
412 esac
413
414 for x in ${@}; do
415 for((y=0; y<$((3 - ${#x})); y++)); do value="${value}0"; done
416 value="${value}${x}"
417 z=$((${z} + 1))
418
419 case ${z} in
420 1) for((y=0; y<$((3 - ${#KV_MAJOR})); y++)); do test="${test}0"; done;
421 test="${test}${KV_MAJOR}";;
422 2) for((y=0; y<$((3 - ${#KV_MINOR})); y++)); do test="${test}0"; done;
423 test="${test}${KV_MINOR}";;
424 3) for((y=0; y<$((3 - ${#KV_PATCH})); y++)); do test="${test}0"; done;
425 test="${test}${KV_PATCH}";;
426 *) die "Error in kernel-2_kernel_is(): Too many parameters.";;
427 esac
428 done
429
430 [ ${test} ${operator} ${value} ] && return 0 || return 1
431 }
432
433 kernel_is_2_4() {
434 kernel_is 2 4
435 }
436
437 kernel_is_2_6() {
438 kernel_is 2 6 || kernel_is 2 5
439 }
440
441 # Capture the sources type and set DEPENDs
442 if [[ ${ETYPE} == sources ]]; then
443 DEPEND="!build? ( sys-apps/sed
444 >=sys-devel/binutils-2.11.90.0.31 )"
445 RDEPEND="!build? ( >=sys-libs/ncurses-5.2
446 sys-devel/make )"
447 PDEPEND="!build? ( virtual/dev-manager )"
448
449 SLOT="${PVR}"
450 DESCRIPTION="Sources for the ${KV_MAJOR}.${KV_MINOR:-$KV_PATCH} linux kernel"
451 IUSE="symlink build"
452
453 # Bug #266157, deblob for libre support
454 if [[ -z ${K_PREDEBLOBBED} ]] ; then
455 # Bug #359865, force a call to detect_version if needed
456 kernel_is ge 2 6 27 && \
457 [[ -z "${K_DEBLOB_AVAILABLE}" ]] && \
458 kernel_is le 2 6 ${DEBLOB_MAX_VERSION} && \
459 K_DEBLOB_AVAILABLE=1
460 if [[ ${K_DEBLOB_AVAILABLE} == "1" ]] ; then
461 IUSE="${IUSE} deblob"
462 # Reflect that kernels contain firmware blobs unless otherwise
463 # stripped
464 LICENSE="${LICENSE} !deblob? ( freedist )"
465
466 if [[ -n KV_MINOR ]]; then
467 DEBLOB_PV="${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}"
468 else
469 DEBLOB_PV="${KV_MAJOR}.${KV_PATCH}"
470 fi
471
472 if [[ ${KV_MAJOR} -ge 3 ]]; then
473 DEBLOB_PV="${KV_MAJOR}.${KV_MINOR}"
474 fi
475
476 DEBLOB_A="deblob-${DEBLOB_PV}"
477 DEBLOB_CHECK_A="deblob-check-${DEBLOB_PV}"
478 DEBLOB_HOMEPAGE="http://www.fsfla.org/svnwiki/selibre/linux-libre/"
479 DEBLOB_URI_PATH="download/releases/LATEST-${DEBLOB_PV}.N"
480 if ! has "${EAPI:-0}" 0 1 ; then
481 DEBLOB_CHECK_URI="${DEBLOB_HOMEPAGE}/${DEBLOB_URI_PATH}/deblob-check -> ${DEBLOB_CHECK_A}"
482 else
483 DEBLOB_CHECK_URI="mirror://gentoo/${DEBLOB_CHECK_A}"
484 fi
485 DEBLOB_URI="${DEBLOB_HOMEPAGE}/${DEBLOB_URI_PATH}/${DEBLOB_A}"
486 HOMEPAGE="${HOMEPAGE} ${DEBLOB_HOMEPAGE}"
487
488 KERNEL_URI="${KERNEL_URI}
489 deblob? (
490 ${DEBLOB_URI}
491 ${DEBLOB_CHECK_URI}
492 )"
493 else
494 # We have no way to deblob older kernels, so just mark them as
495 # tainted with non-libre materials.
496 LICENSE="${LICENSE} freedist"
497 fi
498 fi
499
500 elif [[ ${ETYPE} == headers ]]; then
501 DESCRIPTION="Linux system headers"
502
503 # Since we should NOT honour KBUILD_OUTPUT in headers
504 # lets unset it here.
505 unset KBUILD_OUTPUT
506
507 if [[ ${CTARGET} = ${CHOST} ]]; then
508 SLOT="0"
509 else
510 SLOT="${CTARGET}"
511 fi
512 else
513 eerror "Unknown ETYPE=\"${ETYPE}\", must be \"sources\" or \"headers\""
514 die "Unknown ETYPE=\"${ETYPE}\", must be \"sources\" or \"headers\""
515 fi
516
517 # Cross-compile support functions
518 #==============================================================
519 kernel_header_destdir() {
520 [[ ${CTARGET} == ${CHOST} ]] \
521 && echo /usr/include \
522 || echo /usr/${CTARGET}/usr/include
523 }
524
525 cross_pre_c_headers() {
526 use crosscompile_opts_headers-only && [[ ${CHOST} != ${CTARGET} ]]
527 }
528
529 env_setup_xmakeopts() {
530 # Kernel ARCH != portage ARCH
531 export KARCH=$(tc-arch-kernel)
532
533 # When cross-compiling, we need to set the ARCH/CROSS_COMPILE
534 # variables properly or bad things happen !
535 xmakeopts="ARCH=${KARCH}"
536 if [[ ${CTARGET} != ${CHOST} ]] && ! cross_pre_c_headers ; then
537 xmakeopts="${xmakeopts} CROSS_COMPILE=${CTARGET}-"
538 elif type -p ${CHOST}-ar > /dev/null ; then
539 xmakeopts="${xmakeopts} CROSS_COMPILE=${CHOST}-"
540 fi
541 export xmakeopts
542 }
543
544 # Unpack functions
545 #==============================================================
546 unpack_2_4() {
547 # this file is required for other things to build properly,
548 # so we autogenerate it
549 make -s mrproper ${xmakeopts} || die "make mrproper failed"
550 make -s symlinks ${xmakeopts} || die "make symlinks failed"
551 make -s include/linux/version.h ${xmakeopts} || die "make include/linux/version.h failed"
552 echo ">>> version.h compiled successfully."
553 }
554
555 unpack_2_6() {
556 # this file is required for other things to build properly, so we
557 # autogenerate it ... generate a .config to keep version.h build from
558 # spitting out an annoying warning
559 make -s mrproper ${xmakeopts} 2>/dev/null \
560 || die "make mrproper failed"
561
562 # quick fix for bug #132152 which triggers when it cannot include linux
563 # headers (ie, we have not installed it yet)
564 if ! make -s defconfig ${xmakeopts} &>/dev/null 2>&1 ; then
565 touch .config
566 eerror "make defconfig failed."
567 eerror "assuming you dont have any headers installed yet and continuing"
568 epause 5
569 fi
570
571 make -s include/linux/version.h ${xmakeopts} 2>/dev/null \
572 || die "make include/linux/version.h failed"
573 rm -f .config >/dev/null
574 }
575
576 universal_unpack() {
577 debug-print "Inside universal_unpack"
578
579 local oldifs=${IFS}
580 export IFS="."
581 local OKV_ARRAY=( $OKV )
582 export IFS=${oldifs}
583
584 cd "${WORKDIR}"
585 if [[ ${#OKV_ARRAY[@]} -ge 3 ]] && [[ ${KV_MAJOR} -ge 3 ]]; then
586 unpack linux-${KV_MAJOR}.${KV_MINOR}.tar.bz2
587 else
588 unpack linux-${OKV}.tar.bz2
589 fi
590
591 if [[ -d "linux" ]]; then
592 debug-print "Moving linux to linux-${KV_FULL}"
593 mv linux linux-${KV_FULL} \
594 || die "Unable to move source tree to ${KV_FULL}."
595 elif [[ "${OKV}" != "${KV_FULL}" ]]; then
596 if [[ ${#OKV_ARRAY[@]} -ge 3 ]] && [[ ${KV_MAJOR} -ge 3 ]] &&
597 [[ "${ETYPE}" = "sources" ]]; then
598 debug-print "moving linux-${KV_MAJOR}.${KV_MINOR} to linux-${KV_FULL} "
599 mv linux-${KV_MAJOR}.${KV_MINOR} linux-${KV_FULL} \
600 || die "Unable to move source tree to ${KV_FULL}."
601 else
602 debug-print "moving linux-${OKV} to linux-${KV_FULL} "
603 mv linux-${OKV} linux-${KV_FULL} \
604 || die "Unable to move source tree to ${KV_FULL}."
605 fi
606 elif [[ ${#OKV_ARRAY[@]} -ge 3 ]] && [[ ${KV_MAJOR} -ge 3 ]]; then
607 mv linux-${KV_MAJOR}.${KV_MINOR} linux-${KV_FULL} \
608 || die "Unable to move source tree to ${KV_FULL}."
609 fi
610 cd "${S}"
611
612 # remove all backup files
613 find . -iname "*~" -exec rm {} \; 2> /dev/null
614
615 # fix a problem on ppc where TOUT writes to /usr/src/linux breaking sandbox
616 # only do this for kernel < 2.6.27 since this file does not exist in later
617 # kernels
618 if [[ -n ${KV_MINOR} && ${KV_MAJOR}.${KV_MINOR}.${KV_PATCH} < 2.6.27 ]]
619 then
620 sed -i \
621 -e 's|TOUT := .tmp_gas_check|TOUT := $(T).tmp_gas_check|' \
622 "${S}"/arch/ppc/Makefile
623 else
624 sed -i \
625 -e 's|TOUT := .tmp_gas_check|TOUT := $(T).tmp_gas_check|' \
626 "${S}"/arch/powerpc/Makefile
627 fi
628 }
629
630 unpack_set_extraversion() {
631 cd "${S}"
632 sed -i -e "s:^\(EXTRAVERSION =\).*:\1 ${EXTRAVERSION}:" Makefile
633 cd "${OLDPWD}"
634 }
635
636 # Should be done after patches have been applied
637 # Otherwise patches that modify the same area of Makefile will fail
638 unpack_fix_install_path() {
639 cd "${S}"
640 sed -i -e 's:#export\tINSTALL_PATH:export\tINSTALL_PATH:' Makefile
641 }
642
643 # Compile Functions
644 #==============================================================
645 compile_headers() {
646 env_setup_xmakeopts
647
648 # if we couldnt obtain HOSTCFLAGS from the Makefile,
649 # then set it to something sane
650 local HOSTCFLAGS=$(getfilevar HOSTCFLAGS "${S}"/Makefile)
651 HOSTCFLAGS=${HOSTCFLAGS:--Wall -Wstrict-prototypes -O2 -fomit-frame-pointer}
652
653 if kernel_is 2 4; then
654 yes "" | make oldconfig ${xmakeopts}
655 echo ">>> make oldconfig complete"
656 make dep ${xmakeopts}
657 elif kernel_is 2 6; then
658 # 2.6.18 introduces headers_install which means we dont need any
659 # of this crap anymore :D
660 kernel_is ge 2 6 18 && return 0
661
662 # autoconf.h isnt generated unless it already exists. plus, we have
663 # no guarantee that any headers are installed on the system...
664 [[ -f ${ROOT}/usr/include/linux/autoconf.h ]] \
665 || touch include/linux/autoconf.h
666
667 # if K_DEFCONFIG isn't set, force to "defconfig"
668 # needed by mips
669 if [[ -z ${K_DEFCONFIG} ]]; then
670 if [[ $(KV_to_int ${KV}) -ge $(KV_to_int 2.6.16) ]]; then
671 case ${CTARGET} in
672 powerpc64*) K_DEFCONFIG="ppc64_defconfig";;
673 powerpc*) K_DEFCONFIG="pmac32_defconfig";;
674 *) K_DEFCONFIG="defconfig";;
675 esac
676 else
677 K_DEFCONFIG="defconfig"
678 fi
679 fi
680
681 # if there arent any installed headers, then there also isnt an asm
682 # symlink in /usr/include/, and make defconfig will fail, so we have
683 # to force an include path with $S.
684 HOSTCFLAGS="${HOSTCFLAGS} -I${S}/include/"
685 ln -sf asm-${KARCH} "${S}"/include/asm
686 cross_pre_c_headers && return 0
687
688 make ${K_DEFCONFIG} HOSTCFLAGS="${HOSTCFLAGS}" ${xmakeopts} || die "defconfig failed (${K_DEFCONFIG})"
689 if compile_headers_tweak_config ; then
690 yes "" | make oldconfig HOSTCFLAGS="${HOSTCFLAGS}" ${xmakeopts} || die "2nd oldconfig failed"
691 fi
692 make prepare HOSTCFLAGS="${HOSTCFLAGS}" ${xmakeopts} || die "prepare failed"
693 make prepare-all HOSTCFLAGS="${HOSTCFLAGS}" ${xmakeopts} || die "prepare failed"
694 fi
695 }
696
697 compile_headers_tweak_config() {
698 # some targets can be very very picky, so let's finesse the
699 # .config based upon any info we may have
700 case ${CTARGET} in
701 sh*)
702 sed -i '/CONFIG_CPU_SH/d' .config
703 echo "CONFIG_CPU_SH${CTARGET:2:1}=y" >> .config
704 return 0;;
705 esac
706
707 # no changes, so lets do nothing
708 return 1
709 }
710
711 # install functions
712 #==============================================================
713 install_universal() {
714 #fix silly permissions in tarball
715 cd "${WORKDIR}"
716 chown -R root:0 * >& /dev/null
717 chmod -R a+r-w+X,u+w *
718 cd ${OLDPWD}
719 }
720
721 install_headers() {
722 local ddir=$(kernel_header_destdir)
723
724 # 2.6.18 introduces headers_install which means we dont need any
725 # of this crap anymore :D
726 if kernel_is ge 2 6 18 ; then
727 env_setup_xmakeopts
728 emake headers_install INSTALL_HDR_PATH="${D}"/${ddir}/.. ${xmakeopts} || die
729
730 # let other packages install some of these headers
731 rm -rf "${D}"/${ddir}/sound #alsa-headers
732 rm -rf "${D}"/${ddir}/scsi #glibc/uclibc/etc...
733 return 0
734 fi
735
736 # Do not use "linux/*" as that can cause problems with very long
737 # $S values where the cmdline to cp is too long
738 pushd "${S}" >/dev/null
739 dodir ${ddir}/linux
740 cp -pPR "${S}"/include/linux "${D}"/${ddir}/ || die
741 rm -rf "${D}"/${ddir}/linux/modules
742
743 dodir ${ddir}/asm
744 cp -pPR "${S}"/include/asm/* "${D}"/${ddir}/asm
745
746 if kernel_is 2 6 ; then
747 dodir ${ddir}/asm-generic
748 cp -pPR "${S}"/include/asm-generic/* "${D}"/${ddir}/asm-generic
749 fi
750
751 # clean up
752 find "${D}" -name '*.orig' -exec rm -f {} \;
753
754 popd >/dev/null
755 }
756
757 install_sources() {
758 local file
759
760 cd "${S}"
761 dodir /usr/src
762 echo ">>> Copying sources ..."
763
764 file="$(find ${WORKDIR} -iname "docs" -type d)"
765 if [[ -n ${file} ]]; then
766 for file in $(find ${file} -type f); do
767 echo "${file//*docs\/}" >> "${S}"/patches.txt
768 echo "===================================================" >> "${S}"/patches.txt
769 cat ${file} >> "${S}"/patches.txt
770 echo "===================================================" >> "${S}"/patches.txt
771 echo "" >> "${S}"/patches.txt
772 done
773 fi
774
775 if [[ ! -f ${S}/patches.txt ]]; then
776 # patches.txt is empty so lets use our ChangeLog
777 [[ -f ${FILESDIR}/../ChangeLog ]] && \
778 echo "Please check the ebuild ChangeLog for more details." \
779 > "${S}"/patches.txt
780 fi
781
782 mv ${WORKDIR}/linux* "${D}"/usr/src
783 }
784
785 # pkg_preinst functions
786 #==============================================================
787 preinst_headers() {
788 local ddir=$(kernel_header_destdir)
789 [[ -L ${ddir}/linux ]] && rm ${ddir}/linux
790 [[ -L ${ddir}/asm ]] && rm ${ddir}/asm
791 }
792
793 # pkg_postinst functions
794 #==============================================================
795 postinst_sources() {
796 local MAKELINK=0
797
798 # if we have USE=symlink, then force K_SYMLINK=1
799 use symlink && K_SYMLINK=1
800
801 # if we're using a deblobbed kernel, it's not supported
802 [[ $K_DEBLOB_AVAILABLE == 1 ]] && \
803 use deblob && \
804 K_SECURITY_UNSUPPORTED=deblob
805
806 # if we are to forcably symlink, delete it if it already exists first.
807 if [[ ${K_SYMLINK} > 0 ]]; then
808 [[ -h ${ROOT}usr/src/linux ]] && rm ${ROOT}usr/src/linux
809 MAKELINK=1
810 fi
811
812 # if the link doesnt exist, lets create it
813 [[ ! -h ${ROOT}usr/src/linux ]] && MAKELINK=1
814
815 if [[ ${MAKELINK} == 1 ]]; then
816 cd "${ROOT}"usr/src
817 ln -sf linux-${KV_FULL} linux
818 cd ${OLDPWD}
819 fi
820
821 # Don't forget to make directory for sysfs
822 [[ ! -d ${ROOT}sys ]] && kernel_is 2 6 && mkdir ${ROOT}sys
823
824 echo
825 elog "If you are upgrading from a previous kernel, you may be interested"
826 elog "in the following document:"
827 elog " - General upgrade guide: http://www.gentoo.org/doc/en/kernel-upgrade.xml"
828 echo
829
830 # if K_EXTRAEINFO is set then lets display it now
831 if [[ -n ${K_EXTRAEINFO} ]]; then
832 echo ${K_EXTRAEINFO} | fmt |
833 while read -s ELINE; do einfo "${ELINE}"; done
834 fi
835
836 # if K_EXTRAELOG is set then lets display it now
837 if [[ -n ${K_EXTRAELOG} ]]; then
838 echo ${K_EXTRAELOG} | fmt |
839 while read -s ELINE; do elog "${ELINE}"; done
840 fi
841
842 # if K_EXTRAEWARN is set then lets display it now
843 if [[ -n ${K_EXTRAEWARN} ]]; then
844 echo ${K_EXTRAEWARN} | fmt |
845 while read -s ELINE; do ewarn "${ELINE}"; done
846 fi
847
848 # optionally display security unsupported message
849 # Start with why
850 if [[ ${K_SECURITY_UNSUPPORTED} = deblob ]]; then
851 ewarn "Deblobbed kernels are UNSUPPORTED by Gentoo Security."
852 elif [[ -n ${K_SECURITY_UNSUPPORTED} ]]; then
853 ewarn "${PN} is UNSUPPORTED by Gentoo Security."
854 fi
855 # And now the general message.
856 if [[ -n ${K_SECURITY_UNSUPPORTED} ]]; then
857 ewarn "This means that it is likely to be vulnerable to recent security issues."
858 ewarn "For specific information on why this kernel is unsupported, please read:"
859 ewarn "http://www.gentoo.org/proj/en/security/kernel.xml"
860 fi
861
862 # warn sparc users that they need to do cross-compiling with >= 2.6.25(bug #214765)
863 KV_MAJOR=$(get_version_component_range 1 ${OKV})
864 KV_MINOR=$(get_version_component_range 2 ${OKV})
865 KV_PATCH=$(get_version_component_range 3 ${OKV})
866 if [[ "$(tc-arch)" = "sparc" ]]; then
867 if [[ ${KV_MAJOR} -ge 3 || ${KV_MAJOR}.${KV_MINOR}.${KV_PATCH} > 2.6.24 ]]
868 then
869 echo
870 elog "NOTE: Since 2.6.25 the kernel Makefile has changed in a way that"
871 elog "you now need to do"
872 elog " make CROSS_COMPILE=sparc64-unknown-linux-gnu-"
873 elog "instead of just"
874 elog " make"
875 elog "to compile the kernel. For more information please browse to"
876 elog "https://bugs.gentoo.org/show_bug.cgi?id=214765"
877 echo
878 fi
879 fi
880 }
881
882 # pkg_setup functions
883 #==============================================================
884 setup_headers() {
885 [[ -z ${H_SUPPORTEDARCH} ]] && H_SUPPORTEDARCH=${PN/-*/}
886 for i in ${H_SUPPORTEDARCH}; do
887 [[ $(tc-arch) == "${i}" ]] && H_ACCEPT_ARCH="yes"
888 done
889
890 if [[ ${H_ACCEPT_ARCH} != "yes" ]]; then
891 echo
892 eerror "This version of ${PN} does not support $(tc-arch)."
893 eerror "Please merge the appropriate sources, in most cases"
894 eerror "(but not all) this will be called $(tc-arch)-headers."
895 die "Package unsupported for $(tc-arch)"
896 fi
897 }
898
899 # unipatch
900 #==============================================================
901 unipatch() {
902 local i x y z extention PIPE_CMD UNIPATCH_DROP KPATCH_DIR PATCH_DEPTH ELINE
903 local STRICT_COUNT PATCH_LEVEL myLC_ALL myLANG
904
905 # set to a standard locale to ensure sorts are ordered properly.
906 myLC_ALL="${LC_ALL}"
907 myLANG="${LANG}"
908 LC_ALL="C"
909 LANG=""
910
911 [ -z "${KPATCH_DIR}" ] && KPATCH_DIR="${WORKDIR}/patches/"
912 [ ! -d ${KPATCH_DIR} ] && mkdir -p ${KPATCH_DIR}
913
914 # We're gonna need it when doing patches with a predefined patchlevel
915 eshopts_push -s extglob
916
917 # This function will unpack all passed tarballs, add any passed patches, and remove any passed patchnumbers
918 # usage can be either via an env var or by params
919 # although due to the nature we pass this within this eclass
920 # it shall be by param only.
921 # -z "${UNIPATCH_LIST}" ] && UNIPATCH_LIST="${@}"
922 UNIPATCH_LIST="${@}"
923
924 #unpack any passed tarballs
925 for i in ${UNIPATCH_LIST}; do
926 if echo ${i} | grep -qs -e "\.tar" -e "\.tbz" -e "\.tgz" ; then
927 if [ -n "${UNIPATCH_STRICTORDER}" ]; then
928 unset z
929 STRICT_COUNT=$((10#${STRICT_COUNT} + 1))
930 for((y=0; y<$((6 - ${#STRICT_COUNT})); y++));
931 do z="${z}0";
932 done
933 PATCH_ORDER="${z}${STRICT_COUNT}"
934
935 mkdir -p "${KPATCH_DIR}/${PATCH_ORDER}"
936 pushd "${KPATCH_DIR}/${PATCH_ORDER}" >/dev/null
937 unpack ${i##*/}
938 popd >/dev/null
939 else
940 pushd "${KPATCH_DIR}" >/dev/null
941 unpack ${i##*/}
942 popd >/dev/null
943 fi
944
945 [[ ${i} == *:* ]] && echo ">>> Strict patch levels not currently supported for tarballed patchsets"
946 else
947 extention=${i/*./}
948 extention=${extention/:*/}
949 PIPE_CMD=""
950 case ${extention} in
951 xz) PIPE_CMD="xz -dc";;
952 lzma) PIPE_CMD="lzma -dc";;
953 bz2) PIPE_CMD="bzip2 -dc";;
954 patch) PIPE_CMD="cat";;
955 diff) PIPE_CMD="cat";;
956 gz|Z|z) PIPE_CMD="gzip -dc";;
957 ZIP|zip) PIPE_CMD="unzip -p";;
958 *) UNIPATCH_DROP="${UNIPATCH_DROP} ${i/:*/}";;
959 esac
960
961 PATCH_LEVEL=${i/*([^:])?(:)}
962 i=${i/:*/}
963 x=${i/*\//}
964 x=${x/\.${extention}/}
965
966 if [ -n "${PIPE_CMD}" ]; then
967 if [ ! -r "${i}" ]; then
968 echo
969 eerror "FATAL: unable to locate:"
970 eerror "${i}"
971 eerror "for read-only. The file either has incorrect permissions"
972 eerror "or does not exist."
973 die Unable to locate ${i}
974 fi
975
976 if [ -n "${UNIPATCH_STRICTORDER}" ]; then
977 unset z
978 STRICT_COUNT=$((10#${STRICT_COUNT} + 1))
979 for((y=0; y<$((6 - ${#STRICT_COUNT})); y++));
980 do z="${z}0";
981 done
982 PATCH_ORDER="${z}${STRICT_COUNT}"
983
984 mkdir -p ${KPATCH_DIR}/${PATCH_ORDER}/
985 $(${PIPE_CMD} ${i} > ${KPATCH_DIR}/${PATCH_ORDER}/${x}.patch${PATCH_LEVEL}) || die "uncompressing patch failed"
986 else
987 $(${PIPE_CMD} ${i} > ${KPATCH_DIR}/${x}.patch${PATCH_LEVEL}) || die "uncompressing patch failed"
988 fi
989 fi
990 fi
991 done
992
993 #populate KPATCH_DIRS so we know where to look to remove the excludes
994 x=${KPATCH_DIR}
995 KPATCH_DIR=""
996 for i in $(find ${x} -type d | sort -n); do
997 KPATCH_DIR="${KPATCH_DIR} ${i}"
998 done
999
1000 # do not apply fbcondecor patch to sparc/sparc64 as it breaks boot
1001 # bug #272676
1002 if [[ "$(tc-arch)" = "sparc" || "$(tc-arch)" = "sparc64" ]]; then
1003 if [[ ${KV_MAJOR} -ge 3 || ${KV_MAJOR}.${KV_MINOR}.${KV_PATCH} > 2.6.28 ]]; then
1004 UNIPATCH_DROP="${UNIPATCH_DROP} *_fbcondecor-0.9.6.patch"
1005 echo
1006 ewarn "fbcondecor currently prevents sparc/sparc64 from booting"
1007 ewarn "for kernel versions >= 2.6.29. Removing fbcondecor patch."
1008 ewarn "See https://bugs.gentoo.org/show_bug.cgi?id=272676 for details"
1009 echo
1010 fi
1011 fi
1012
1013 #so now lets get rid of the patchno's we want to exclude
1014 UNIPATCH_DROP="${UNIPATCH_EXCLUDE} ${UNIPATCH_DROP}"
1015 for i in ${UNIPATCH_DROP}; do
1016 ebegin "Excluding Patch #${i}"
1017 for x in ${KPATCH_DIR}; do rm -f ${x}/${i}* 2>/dev/null; done
1018 eend $?
1019 done
1020
1021 # and now, finally, we patch it :)
1022 for x in ${KPATCH_DIR}; do
1023 for i in $(find ${x} -maxdepth 1 -iname "*.patch*" -or -iname "*.diff*" | sort -n); do
1024 STDERR_T="${T}/${i/*\//}"
1025 STDERR_T="${STDERR_T/.patch*/.err}"
1026
1027 [ -z ${i/*.patch*/} ] && PATCH_DEPTH=${i/*.patch/}
1028 #[ -z ${i/*.diff*/} ] && PATCH_DEPTH=${i/*.diff/}
1029
1030 if [ -z "${PATCH_DEPTH}" ]; then PATCH_DEPTH=0; fi
1031
1032 ebegin "Applying ${i/*\//} (-p${PATCH_DEPTH}+)"
1033 while [ ${PATCH_DEPTH} -lt 5 ]; do
1034 echo "Attempting Dry-run:" >> ${STDERR_T}
1035 echo "cmd: patch -p${PATCH_DEPTH} --no-backup-if-mismatch --dry-run -f < ${i}" >> ${STDERR_T}
1036 echo "=======================================================" >> ${STDERR_T}
1037 if [ $(patch -p${PATCH_DEPTH} --no-backup-if-mismatch --dry-run -f < ${i} >> ${STDERR_T}) $? -eq 0 ]; then
1038 echo "Attempting patch:" > ${STDERR_T}
1039 echo "cmd: patch -p${PATCH_DEPTH} --no-backup-if-mismatch -f < ${i}" >> ${STDERR_T}
1040 echo "=======================================================" >> ${STDERR_T}
1041 if [ $(patch -p${PATCH_DEPTH} --no-backup-if-mismatch -f < ${i} >> ${STDERR_T}) "$?" -eq 0 ]; then
1042 eend 0
1043 rm ${STDERR_T}
1044 break
1045 else
1046 eend 1
1047 eerror "Failed to apply patch ${i/*\//}"
1048 eerror "Please attach ${STDERR_T} to any bug you may post."
1049 eshopts_pop
1050 die "Failed to apply ${i/*\//}"
1051 fi
1052 else
1053 PATCH_DEPTH=$((${PATCH_DEPTH} + 1))
1054 fi
1055 done
1056 if [ ${PATCH_DEPTH} -eq 5 ]; then
1057 eend 1
1058 eerror "Please attach ${STDERR_T} to any bug you may post."
1059 eshopts_pop
1060 die "Unable to dry-run patch."
1061 fi
1062 done
1063 done
1064
1065 # This is a quick, and kind of nasty hack to deal with UNIPATCH_DOCS which
1066 # sit in KPATCH_DIR's. This is handled properly in the unipatch rewrite,
1067 # which is why I'm not taking too much time over this.
1068 local tmp
1069 for i in ${UNIPATCH_DOCS}; do
1070 tmp="${tmp} ${i//*\/}"
1071 cp -f ${i} "${T}"/
1072 done
1073 UNIPATCH_DOCS="${tmp}"
1074
1075 # clean up KPATCH_DIR's - fixes bug #53610
1076 for x in ${KPATCH_DIR}; do rm -Rf ${x}; done
1077
1078 LC_ALL="${myLC_ALL}"
1079 LANG="${myLANG}"
1080 eshopts_pop
1081 }
1082
1083 # getfilevar accepts 2 vars as follows:
1084 # getfilevar <VARIABLE> <CONFIGFILE>
1085 # pulled from linux-info
1086
1087 getfilevar() {
1088 local workingdir basefname basedname xarch=$(tc-arch-kernel)
1089
1090 if [[ -z ${1} ]] && [[ ! -f ${2} ]]; then
1091 echo -e "\n"
1092 eerror "getfilevar requires 2 variables, with the second a valid file."
1093 eerror " getfilevar <VARIABLE> <CONFIGFILE>"
1094 else
1095 workingdir=${PWD}
1096 basefname=$(basename ${2})
1097 basedname=$(dirname ${2})
1098 unset ARCH
1099
1100 cd ${basedname}
1101 echo -e "include ${basefname}\ne:\n\t@echo \$(${1})" | \
1102 make ${BUILD_FIXES} -s -f - e 2>/dev/null
1103 cd ${workingdir}
1104
1105 ARCH=${xarch}
1106 fi
1107 }
1108
1109 detect_arch() {
1110 # This function sets ARCH_URI and ARCH_PATCH
1111 # with the neccessary info for the arch sepecific compatibility
1112 # patchsets.
1113
1114 local ALL_ARCH LOOP_ARCH COMPAT_URI i
1115
1116 # COMPAT_URI is the contents of ${ARCH}_URI
1117 # ARCH_URI is the URI for all the ${ARCH}_URI patches
1118 # ARCH_PATCH is ARCH_URI broken into files for UNIPATCH
1119
1120 ARCH_URI=""
1121 ARCH_PATCH=""
1122 ALL_ARCH="ALPHA AMD64 ARM HPPA IA64 M68K MIPS PPC PPC64 S390 SH SPARC X86"
1123
1124 for LOOP_ARCH in ${ALL_ARCH}; do
1125 COMPAT_URI="${LOOP_ARCH}_URI"
1126 COMPAT_URI="${!COMPAT_URI}"
1127
1128 [[ -n ${COMPAT_URI} ]] && \
1129 ARCH_URI="${ARCH_URI} $(echo ${LOOP_ARCH} | tr '[:upper:]' '[:lower:]')? ( ${COMPAT_URI} )"
1130
1131 if [[ ${LOOP_ARCH} == "$(echo $(tc-arch-kernel) | tr '[:lower:]' '[:upper:]')" ]]; then
1132 for i in ${COMPAT_URI}; do
1133 ARCH_PATCH="${ARCH_PATCH} ${DISTDIR}/${i/*\//}"
1134 done
1135 fi
1136 done
1137 }
1138
1139 # sparc nastiness
1140 #==============================================================
1141 # This script generates the files in /usr/include/asm for sparc systems
1142 # during installation of sys-kernel/linux-headers.
1143 # Will no longer be needed when full 64 bit support is used on sparc64
1144 # systems.
1145 #
1146 # Shamefully ripped from Debian
1147 # ----------------------------------------------------------------------
1148
1149 # Idea borrowed from RedHat's kernel package
1150
1151 # This is gonna get replaced by something in multilib.eclass soon...
1152 # --eradicator
1153 generate_sparc_asm() {
1154 local name
1155
1156 cd $1 || die
1157 mkdir asm
1158
1159 for h in `( ls asm-sparc; ls asm-sparc64 ) | grep '\.h$' | sort -u`; do
1160 name="$(echo $h | tr a-z. A-Z_)"
1161 # common header
1162 echo "/* All asm/ files are generated and point to the corresponding
1163 * file in asm-sparc or asm-sparc64.
1164 */
1165
1166 #ifndef __SPARCSTUB__${name}__
1167 #define __SPARCSTUB__${name}__
1168 " > asm/${h}
1169
1170 # common for sparc and sparc64
1171 if [ -f asm-sparc/$h -a -f asm-sparc64/$h ]; then
1172 echo "#ifdef __arch64__
1173 #include <asm-sparc64/$h>
1174 #else
1175 #include <asm-sparc/$h>
1176 #endif
1177 " >> asm/${h}
1178
1179 # sparc only
1180 elif [ -f asm-sparc/$h ]; then
1181 echo "#ifndef __arch64__
1182 #include <asm-sparc/$h>
1183 #endif
1184 " >> asm/${h}
1185
1186 # sparc64 only
1187 else
1188 echo "#ifdef __arch64__
1189 #include <asm-sparc64/$h>
1190 #endif
1191 " >> asm/${h}
1192 fi
1193
1194 # common footer
1195 echo "#endif /* !__SPARCSTUB__${name}__ */" >> asm/${h}
1196 done
1197 return 0
1198 }
1199
1200 headers___fix() {
1201 # Voodoo to partially fix broken upstream headers.
1202 # note: do not put inline/asm/volatile together (breaks "inline asm volatile")
1203 sed -i \
1204 -e '/^\#define.*_TYPES_H/{:loop n; bloop}' \
1205 -e 's:\<\([us]\(8\|16\|32\|64\)\)\>:__\1:g' \
1206 -e "s/\([[:space:]]\)inline\([[:space:](]\)/\1__inline__\2/g" \
1207 -e "s/\([[:space:]]\)asm\([[:space:](]\)/\1__asm__\2/g" \
1208 -e "s/\([[:space:]]\)volatile\([[:space:](]\)/\1__volatile__\2/g" \
1209 "$@"
1210 }
1211
1212 # common functions
1213 #==============================================================
1214 kernel-2_src_unpack() {
1215 universal_unpack
1216 debug-print "Doing unipatch"
1217
1218 [[ -n ${UNIPATCH_LIST} || -n ${UNIPATCH_LIST_DEFAULT} || -n ${UNIPATCH_LIST_GENPATCHES} ]] && \
1219 unipatch "${UNIPATCH_LIST_DEFAULT} ${UNIPATCH_LIST_GENPATCHES} ${UNIPATCH_LIST}"
1220
1221 debug-print "Doing premake"
1222
1223 # allow ebuilds to massage the source tree after patching but before
1224 # we run misc `make` functions below
1225 [[ $(type -t kernel-2_hook_premake) == "function" ]] && kernel-2_hook_premake
1226
1227 debug-print "Doing epatch_user"
1228 epatch_user
1229
1230 debug-print "Doing unpack_set_extraversion"
1231
1232 [[ -z ${K_NOSETEXTRAVERSION} ]] && unpack_set_extraversion
1233 unpack_fix_install_path
1234
1235 # Setup xmakeopts and cd into sourcetree.
1236 env_setup_xmakeopts
1237 cd "${S}"
1238
1239 # We dont need a version.h for anything other than headers
1240 # at least, I should hope we dont. If this causes problems
1241 # take out the if/fi block and inform me please.
1242 # unpack_2_6 should now be 2.6.17 safe anyways
1243 if [[ ${ETYPE} == headers ]]; then
1244 kernel_is 2 4 && unpack_2_4
1245 kernel_is 2 6 && unpack_2_6
1246 fi
1247
1248 if [[ $K_DEBLOB_AVAILABLE == 1 ]] && use deblob ; then
1249 cp "${DISTDIR}/${DEBLOB_A}" "${T}" || die "cp ${DEBLOB_A} failed"
1250 cp "${DISTDIR}/${DEBLOB_CHECK_A}" "${T}/deblob-check" || die "cp ${DEBLOB_CHECK_A} failed"
1251 chmod +x "${T}/${DEBLOB_A}" "${T}/deblob-check" || die "chmod deblob scripts failed"
1252 fi
1253 }
1254
1255 kernel-2_src_compile() {
1256 cd "${S}"
1257 [[ ${ETYPE} == headers ]] && compile_headers
1258
1259 if [[ $K_DEBLOB_AVAILABLE == 1 ]] && use deblob ; then
1260 echo ">>> Running deblob script ..."
1261 sh "${T}/${DEBLOB_A}" --force || \
1262 die "Deblob script failed to run!!!"
1263 fi
1264 }
1265
1266 # if you leave it to the default src_test, it will run make to
1267 # find whether test/check targets are present; since "make test"
1268 # actually produces a few support files, they are installed even
1269 # though the package is binchecks-restricted.
1270 #
1271 # Avoid this altogether by making the function moot.
1272 kernel-2_src_test() { :; }
1273
1274 kernel-2_pkg_preinst() {
1275 [[ ${ETYPE} == headers ]] && preinst_headers
1276 }
1277
1278 kernel-2_src_install() {
1279 install_universal
1280 [[ ${ETYPE} == headers ]] && install_headers
1281 [[ ${ETYPE} == sources ]] && install_sources
1282 }
1283
1284 kernel-2_pkg_postinst() {
1285 [[ ${ETYPE} == sources ]] && postinst_sources
1286 }
1287
1288 kernel-2_pkg_setup() {
1289 if kernel_is 2 4; then
1290 if [[ $(gcc-major-version) -ge 4 ]] ; then
1291 echo
1292 ewarn "Be warned !! >=sys-devel/gcc-4.0.0 isn't supported with linux-2.4!"
1293 ewarn "Either switch to another gcc-version (via gcc-config) or use a"
1294 ewarn "newer kernel that supports gcc-4."
1295 echo
1296 ewarn "Also be aware that bugreports about gcc-4 not working"
1297 ewarn "with linux-2.4 based ebuilds will be closed as INVALID!"
1298 echo
1299 epause 10
1300 fi
1301 fi
1302
1303 ABI="${KERNEL_ABI}"
1304 [[ ${ETYPE} == headers ]] && setup_headers
1305 [[ ${ETYPE} == sources ]] && echo ">>> Preparing to unpack ..."
1306 }
1307
1308 kernel-2_pkg_postrm() {
1309 # This warning only makes sense for kernel sources.
1310 [[ ${ETYPE} == headers ]] && return 0
1311 echo
1312 ewarn "Note: Even though you have successfully unmerged "
1313 ewarn "your kernel package, directories in kernel source location: "
1314 ewarn "${ROOT}usr/src/linux-${KV_FULL}"
1315 ewarn "with modified files will remain behind. By design, package managers"
1316 ewarn "will not remove these modified files and the directories they reside in."
1317 echo
1318 }

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