/[gentoo-x86]/eclass/kernel-2.eclass
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Revision 1.225 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 1.225 2010/04/01 21:12:20 robbat2 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}"
77# Reflect that kernels contain firmware blobs unless otherwise stripped
78[[ -z ${LICENSE} ]] && \ 84[[ -z ${LICENSE} ]] && \
79 LICENSE="GPL-2 freedist" 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
80 90
81# 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).
82RESTRICT="binchecks strip" 92RESTRICT="binchecks strip"
83 93
84# set LINUX_HOSTCFLAGS if not already set 94# set LINUX_HOSTCFLAGS if not already set
89#============================================================== 99#==============================================================
90# this function exists only to help debug kernel-2.eclass 100# this function exists only to help debug kernel-2.eclass
91# 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
92# 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.
93debug-print-kernel2-variables() { 103debug-print-kernel2-variables() {
94 debug-print "PVR: ${PVR}" 104 for v in PVR CKV OKV KV KV_FULL KV_MAJOR KV_MINOR KV_PATCH RELEASETYPE \
95 debug-print "CKV: ${CKV}" 105 RELEASE UNIPATCH_LIST_DEFAULT UNIPATCH_LIST_GENPATCHES \
96 debug-print "OKV: ${OKV}" 106 UNIPATCH_LIST S KERNEL_URI ; do
97 debug-print "KV: ${KV}" 107 debug-print "${v}: ${!v}"
98 debug-print "KV_FULL: ${KV_FULL}" 108 done
99 debug-print "RELEASETYPE: ${RELEASETYPE}"
100 debug-print "RELEASE: ${RELEASE}"
101 debug-print "UNIPATCH_LIST_DEFAULT: ${UNIPATCH_LIST_DEFAULT} "
102 debug-print "UNIPATCH_LIST_GENPATCHES: ${UNIPATCH_LIST_GENPATCHES} "
103 debug-print "UNIPATCH_LIST: ${UNIPATCH_LIST}"
104 debug-print "S: ${S}"
105 debug-print "KERNEL_URI: ${KERNEL_URI}"
106} 109}
107 110
108#Eclass functions only from here onwards ... 111#Eclass functions only from here onwards ...
109#============================================================== 112#==============================================================
110handle_genpatches() { 113handle_genpatches() {
245 248
246 handle_genpatches 249 handle_genpatches
247} 250}
248 251
249kernel_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
250 [[ -z ${OKV} ]] && detect_version 257 [[ $n -eq 1 ]] && detect_version
258 unset v n
259
260 # Now we can continue
251 local operator test value x=0 y=0 z=0 261 local operator test value x=0 y=0 z=0
252 262
253 case ${1} in 263 case ${1} in
254 lt) operator="-lt"; shift;; 264 lt) operator="-lt"; shift;;
255 gt) operator="-gt"; shift;; 265 gt) operator="-gt"; shift;;
298 kernel_is gt 2 4 && PROVIDE="${PROVIDE} virtual/alsa" 308 kernel_is gt 2 4 && PROVIDE="${PROVIDE} virtual/alsa"
299 309
300 SLOT="${PVR}" 310 SLOT="${PVR}"
301 DESCRIPTION="Sources for the ${KV_MAJOR}.${KV_MINOR} linux kernel" 311 DESCRIPTION="Sources for the ${KV_MAJOR}.${KV_MINOR} linux kernel"
302 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
303elif [[ ${ETYPE} == headers ]]; then 343elif [[ ${ETYPE} == headers ]]; then
304 DESCRIPTION="Linux system headers" 344 DESCRIPTION="Linux system headers"
305 345
306 # Since we should NOT honour KBUILD_OUTPUT in headers 346 # Since we should NOT honour KBUILD_OUTPUT in headers
307 # lets unset it here. 347 # lets unset it here.
624 local MAKELINK=0 664 local MAKELINK=0
625 665
626 # if we have USE=symlink, then force K_SYMLINK=1 666 # if we have USE=symlink, then force K_SYMLINK=1
627 use symlink && K_SYMLINK=1 667 use symlink && K_SYMLINK=1
628 668
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
629 # 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.
630 if [[ ${K_SYMLINK} > 0 ]]; then 675 if [[ ${K_SYMLINK} > 0 ]]; then
631 [[ -h ${ROOT}usr/src/linux ]] && rm ${ROOT}usr/src/linux 676 [[ -h ${ROOT}usr/src/linux ]] && rm ${ROOT}usr/src/linux
632 MAKELINK=1 677 MAKELINK=1
633 fi 678 fi
667 echo ${K_EXTRAEWARN} | fmt | 712 echo ${K_EXTRAEWARN} | fmt |
668 while read -s ELINE; do ewarn "${ELINE}"; done 713 while read -s ELINE; do ewarn "${ELINE}"; done
669 fi 714 fi
670 715
671 # 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.
672 if [[ -n ${K_SECURITY_UNSUPPORTED} ]]; then 724 if [[ -n ${K_SECURITY_UNSUPPORTED} ]]; then
673 echo
674 ewarn "${PN} is UNSUPPORTED by Gentoo Security."
675 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."
676 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:"
677 ewarn "http://www.gentoo.org/proj/en/security/kernel.xml" 727 ewarn "http://www.gentoo.org/proj/en/security/kernel.xml"
678 fi 728 fi
679 729
1064 # unpack_2_6 should now be 2.6.17 safe anyways 1114 # unpack_2_6 should now be 2.6.17 safe anyways
1065 if [[ ${ETYPE} == headers ]]; then 1115 if [[ ${ETYPE} == headers ]]; then
1066 kernel_is 2 4 && unpack_2_4 1116 kernel_is 2 4 && unpack_2_4
1067 kernel_is 2 6 && unpack_2_6 1117 kernel_is 2 6 && unpack_2_6
1068 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
1069} 1124}
1070 1125
1071kernel-2_src_compile() { 1126kernel-2_src_compile() {
1072 cd "${S}" 1127 cd "${S}"
1073 [[ ${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
1074} 1135}
1075 1136
1076kernel-2_pkg_preinst() { 1137kernel-2_pkg_preinst() {
1077 [[ ${ETYPE} == headers ]] && preinst_headers 1138 [[ ${ETYPE} == headers ]] && preinst_headers
1078} 1139}

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