/[gentoo-x86]/eclass/kernel-2.eclass
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Revision 1.224 Revision 1.232
1# Copyright 1999-2009 Gentoo Foundation 1# Copyright 1999-2009 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/kernel-2.eclass,v 1.224 2009/12/13 18:56:49 mpagano Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/kernel-2.eclass,v 1.232 2010/05/02 08:48:16 robbat2 Exp $
4 4
5# Description: kernel.eclass rewrite for a clean base regarding the 2.6 5# Description: kernel.eclass rewrite for a clean base regarding the 2.6
6# series of kernel with back-compatibility for 2.4 6# series of kernel with back-compatibility for 2.4
7# 7#
8# Original author: John Mylchreest <johnm@gentoo.org> 8# Original author: John Mylchreest <johnm@gentoo.org>
43# combination of "base" and "extras" 43# combination of "base" and "extras"
44# K_GENPATCHES_VER - The version of the genpatches tarball(s) to apply. 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 45# A value of "5" would apply genpatches-2.6.12-5 to
46# my-sources-2.6.12.ebuild 46# my-sources-2.6.12.ebuild
47# K_SECURITY_UNSUPPORTED- If set, this kernel is unsupported by Gentoo Security 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.
48 55
49# H_SUPPORTEDARCH - this should be a space separated list of ARCH's which 56# H_SUPPORTEDARCH - this should be a space separated list of ARCH's which
50# can be supported by the headers ebuild 57# can be supported by the headers ebuild
51 58
52# UNIPATCH_LIST - space delimetered list of patches to be applied to the 59# UNIPATCH_LIST - space delimetered list of patches to be applied to the
72if [[ ${CTARGET} == ${CHOST} && ${CATEGORY/cross-} != ${CATEGORY} ]]; then 79if [[ ${CTARGET} == ${CHOST} && ${CATEGORY/cross-} != ${CATEGORY} ]]; then
73 export CTARGET=${CATEGORY/cross-} 80 export CTARGET=${CATEGORY/cross-}
74fi 81fi
75 82
76HOMEPAGE="http://www.kernel.org/ http://www.gentoo.org/ ${HOMEPAGE}" 83HOMEPAGE="http://www.kernel.org/ http://www.gentoo.org/ ${HOMEPAGE}"
84[[ -z ${LICENSE} ]] && \
77LICENSE="GPL-2" 85 LICENSE="GPL-2"
86
87# This is the latest KV_PATCH of the deblob tool available from the
88# libre-sources upstream.
89[[ -z ${DEBLOB_MAX_VERSION} ]] && DEBLOB_MAX_VERSION=33
78 90
79# No need to run scanelf/strip on kernel sources/headers (bug #134453). 91# No need to run scanelf/strip on kernel sources/headers (bug #134453).
80RESTRICT="binchecks strip" 92RESTRICT="binchecks strip"
81 93
82# set LINUX_HOSTCFLAGS if not already set 94# set LINUX_HOSTCFLAGS if not already set
87#============================================================== 99#==============================================================
88# this function exists only to help debug kernel-2.eclass 100# this function exists only to help debug kernel-2.eclass
89# if you are adding new functionality in, put a call to it 101# if you are adding new functionality in, put a call to it
90# at the start of src_unpack, or during SRC_URI/dep generation. 102# at the start of src_unpack, or during SRC_URI/dep generation.
91debug-print-kernel2-variables() { 103debug-print-kernel2-variables() {
92 debug-print "PVR: ${PVR}" 104 for v in PVR CKV OKV KV KV_FULL KV_MAJOR KV_MINOR KV_PATCH RELEASETYPE \
93 debug-print "CKV: ${CKV}" 105 RELEASE UNIPATCH_LIST_DEFAULT UNIPATCH_LIST_GENPATCHES \
94 debug-print "OKV: ${OKV}" 106 UNIPATCH_LIST S KERNEL_URI ; do
95 debug-print "KV: ${KV}" 107 debug-print "${v}: ${!v}"
96 debug-print "KV_FULL: ${KV_FULL}" 108 done
97 debug-print "RELEASETYPE: ${RELEASETYPE}"
98 debug-print "RELEASE: ${RELEASE}"
99 debug-print "UNIPATCH_LIST_DEFAULT: ${UNIPATCH_LIST_DEFAULT} "
100 debug-print "UNIPATCH_LIST_GENPATCHES: ${UNIPATCH_LIST_GENPATCHES} "
101 debug-print "UNIPATCH_LIST: ${UNIPATCH_LIST}"
102 debug-print "S: ${S}"
103 debug-print "KERNEL_URI: ${KERNEL_URI}"
104} 109}
105 110
106#Eclass functions only from here onwards ... 111#Eclass functions only from here onwards ...
107#============================================================== 112#==============================================================
108handle_genpatches() { 113handle_genpatches() {
243 248
244 handle_genpatches 249 handle_genpatches
245} 250}
246 251
247kernel_is() { 252kernel_is() {
253 # ALL of these should be set before we can safely continue this function.
254 # some of the sources have in the past had only one set.
255 local v n=0
256 for v in OKV KV_{MAJOR,MINOR,PATCH} ; do [[ -z ${!v} ]] && n=1 ; done
248 [[ -z ${OKV} ]] && detect_version 257 [[ $n -eq 1 ]] && detect_version
258 unset v n
259
260 # Now we can continue
249 local operator test value x=0 y=0 z=0 261 local operator test value x=0 y=0 z=0
250 262
251 case ${1} in 263 case ${1} in
252 lt) operator="-lt"; shift;; 264 lt) operator="-lt"; shift;;
253 gt) operator="-gt"; shift;; 265 gt) operator="-gt"; shift;;
296 kernel_is gt 2 4 && PROVIDE="${PROVIDE} virtual/alsa" 308 kernel_is gt 2 4 && PROVIDE="${PROVIDE} virtual/alsa"
297 309
298 SLOT="${PVR}" 310 SLOT="${PVR}"
299 DESCRIPTION="Sources for the ${KV_MAJOR}.${KV_MINOR} linux kernel" 311 DESCRIPTION="Sources for the ${KV_MAJOR}.${KV_MINOR} linux kernel"
300 IUSE="symlink build" 312 IUSE="symlink build"
313
314 # Bug #266157, deblob for libre support
315 if [[ -z ${K_PREDEBLOBBED} ]] ; then
316 if [[ -z ${K_DEBLOB_AVAILABLE} ]] ; then
317 kernel_is ge 2 6 27 && \
318 kernel_is le 2 6 ${DEBLOB_MAX_VERSION} && \
319 K_DEBLOB_AVAILABLE=1
320 fi
321 if [[ ${K_DEBLOB_AVAILABLE} == "1" ]] ; then
322 IUSE="${IUSE} deblob"
323 # Reflect that kernels contain firmware blobs unless otherwise
324 # stripped
325 LICENSE="${LICENSE} !deblob? ( freedist )"
326
327 DEBLOB_PV="${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}"
328 DEBLOB_A="deblob-${DEBLOB_PV}"
329 DEBLOB_HOMEPAGE="http://www.fsfla.org/svnwiki/selibre/linux-libre/"
330 HOMEPAGE="${HOMEPAGE} ${DEBLOB_HOMEPAGE}"
331
332 KERNEL_URI="${KERNEL_URI}
333 deblob? (
334 ${DEBLOB_HOMEPAGE}/download/releases/LATEST-${DEBLOB_PV}.N/${DEBLOB_A}
335 )"
336 else
337 # We have no way to deblob older kernels, so just mark them as
338 # tainted with non-libre materials.
339 LICENSE="${LICENSE} freedist"
340 fi
341 fi
342
301elif [[ ${ETYPE} == headers ]]; then 343elif [[ ${ETYPE} == headers ]]; then
302 DESCRIPTION="Linux system headers" 344 DESCRIPTION="Linux system headers"
303 345
304 # Since we should NOT honour KBUILD_OUTPUT in headers 346 # Since we should NOT honour KBUILD_OUTPUT in headers
305 # lets unset it here. 347 # lets unset it here.
622 local MAKELINK=0 664 local MAKELINK=0
623 665
624 # if we have USE=symlink, then force K_SYMLINK=1 666 # if we have USE=symlink, then force K_SYMLINK=1
625 use symlink && K_SYMLINK=1 667 use symlink && K_SYMLINK=1
626 668
669 # if we're using a deblobbed kernel, it's not supported
670 [[ $K_DEBLOB_AVAILABLE == 1 ]] && \
671 use deblob && \
672 K_SECURITY_UNSUPPORTED=deblob
673
627 # if we are to forcably symlink, delete it if it already exists first. 674 # if we are to forcably symlink, delete it if it already exists first.
628 if [[ ${K_SYMLINK} > 0 ]]; then 675 if [[ ${K_SYMLINK} > 0 ]]; then
629 [[ -h ${ROOT}usr/src/linux ]] && rm ${ROOT}usr/src/linux 676 [[ -h ${ROOT}usr/src/linux ]] && rm ${ROOT}usr/src/linux
630 MAKELINK=1 677 MAKELINK=1
631 fi 678 fi
665 echo ${K_EXTRAEWARN} | fmt | 712 echo ${K_EXTRAEWARN} | fmt |
666 while read -s ELINE; do ewarn "${ELINE}"; done 713 while read -s ELINE; do ewarn "${ELINE}"; done
667 fi 714 fi
668 715
669 # optionally display security unsupported message 716 # optionally display security unsupported message
717 # Start with why
718 if [[ ${K_SECURITY_UNSUPPORTED} = deblob ]]; then
719 ewarn "Deblobbed kernels are UNSUPPORTED by Gentoo Security"
720 elif [[ -n ${K_SECURITY_UNSUPPORTED} ]]; then
721 ewarn "${PN} is UNSUPPORTED by Gentoo Security."
722 fi
723 # And now the general message.
670 if [[ -n ${K_SECURITY_UNSUPPORTED} ]]; then 724 if [[ -n ${K_SECURITY_UNSUPPORTED} ]]; then
671 echo
672 ewarn "${PN} is UNSUPPORTED by Gentoo Security."
673 ewarn "This means that it is likely to be vulnerable to recent security issues." 725 ewarn "This means that it is likely to be vulnerable to recent security issues."
674 ewarn "For specific information on why this kernel is unsupported, please read:" 726 ewarn "For specific information on why this kernel is unsupported, please read:"
675 ewarn "http://www.gentoo.org/proj/en/security/kernel.xml" 727 ewarn "http://www.gentoo.org/proj/en/security/kernel.xml"
676 fi 728 fi
677 729
1062 # unpack_2_6 should now be 2.6.17 safe anyways 1114 # unpack_2_6 should now be 2.6.17 safe anyways
1063 if [[ ${ETYPE} == headers ]]; then 1115 if [[ ${ETYPE} == headers ]]; then
1064 kernel_is 2 4 && unpack_2_4 1116 kernel_is 2 4 && unpack_2_4
1065 kernel_is 2 6 && unpack_2_6 1117 kernel_is 2 6 && unpack_2_6
1066 fi 1118 fi
1119
1120 if [[ $K_DEBLOB_AVAILABLE == 1 ]] && use deblob ; then
1121 cp "${DISTDIR}/${DEBLOB_A}" "${T}"
1122 chmod +x "${T}/${DEBLOB_A}"
1123 fi
1067} 1124}
1068 1125
1069kernel-2_src_compile() { 1126kernel-2_src_compile() {
1070 cd "${S}" 1127 cd "${S}"
1071 [[ ${ETYPE} == headers ]] && compile_headers 1128 [[ ${ETYPE} == headers ]] && compile_headers
1129
1130 if [[ $K_DEBLOB_AVAILABLE == 1 ]] && use deblob ; then
1131 echo ">>> Running deblob script ..."
1132 sh "${T}/${DEBLOB_A}" --force || \
1133 die "Deblob script failed to run!!!"
1134 fi
1072} 1135}
1073 1136
1074kernel-2_pkg_preinst() { 1137kernel-2_pkg_preinst() {
1075 [[ ${ETYPE} == headers ]] && preinst_headers 1138 [[ ${ETYPE} == headers ]] && preinst_headers
1076} 1139}

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