/[gentoo-x86]/eclass/kernel-2.eclass
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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 1.221 2009/10/20 19:17:59 zmedico Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/kernel-2.eclass,v 1.233 2010/05/02 11:05:28 ulm 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;;
288if [[ ${ETYPE} == sources ]]; then 300if [[ ${ETYPE} == sources ]]; then
289 DEPEND="!build? ( sys-apps/sed 301 DEPEND="!build? ( sys-apps/sed
290 >=sys-devel/binutils-2.11.90.0.31 )" 302 >=sys-devel/binutils-2.11.90.0.31 )"
291 RDEPEND="!build? ( >=sys-libs/ncurses-5.2 303 RDEPEND="!build? ( >=sys-libs/ncurses-5.2
292 sys-devel/make )" 304 sys-devel/make )"
293 PDEPEND="virtual/dev-manager" 305 PDEPEND="!build? ( virtual/dev-manager )"
294 306
295 PROVIDE="virtual/linux-sources" 307 PROVIDE="virtual/linux-sources"
296 kernel_is gt 2 4 && PROVIDE="${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.
375 || die "make include/linux/version.h failed" 417 || die "make include/linux/version.h failed"
376 rm -f .config >/dev/null 418 rm -f .config >/dev/null
377} 419}
378 420
379universal_unpack() { 421universal_unpack() {
380 cd ${WORKDIR} 422 cd "${WORKDIR}"
381 unpack linux-${OKV}.tar.bz2 423 unpack linux-${OKV}.tar.bz2
382 if [[ -d "linux" ]]; then 424 if [[ -d "linux" ]]; then
383 mv linux linux-${KV_FULL} \ 425 mv linux linux-${KV_FULL} \
384 || die "Unable to move source tree to ${KV_FULL}." 426 || die "Unable to move source tree to ${KV_FULL}."
385 elif [[ "${OKV}" != "${KV_FULL}" ]]; then 427 elif [[ "${OKV}" != "${KV_FULL}" ]]; then
489 531
490# install functions 532# install functions
491#============================================================== 533#==============================================================
492install_universal() { 534install_universal() {
493 #fix silly permissions in tarball 535 #fix silly permissions in tarball
494 cd ${WORKDIR} 536 cd "${WORKDIR}"
495 chown -R root:0 * >& /dev/null 537 chown -R root:0 * >& /dev/null
496 chmod -R a+r-w+X,u+w * 538 chmod -R a+r-w+X,u+w *
497 cd ${OLDPWD} 539 cd ${OLDPWD}
498} 540}
499 541
544 [[ ! -e ${D}/${ddir}/asm/arch ]] && ln -sf arch-ebsa285 "${D}"/${ddir}/asm/arch 586 [[ ! -e ${D}/${ddir}/asm/arch ]] && ln -sf arch-ebsa285 "${D}"/${ddir}/asm/arch
545 [[ ! -e ${D}/${ddir}/asm/proc ]] && ln -sf proc-armv "${D}"/${ddir}/asm/proc 587 [[ ! -e ${D}/${ddir}/asm/proc ]] && ln -sf proc-armv "${D}"/${ddir}/asm/proc
546 ;; 588 ;;
547 powerpc) 589 powerpc)
548 dodir ${ddir}/asm 590 dodir ${ddir}/asm
549 cp -pPR "${S}"/include/asm/* ${D}/${ddir}/asm 591 cp -pPR "${S}"/include/asm/* "${D}"/${ddir}/asm
550 if [[ -e "${S}"/include/asm-ppc ]] ; then 592 if [[ -e "${S}"/include/asm-ppc ]] ; then
551 dodir ${ddir}/asm-ppc 593 dodir ${ddir}/asm-ppc
552 cp -pPR "${S}"/include/asm-ppc/* ${D}/${ddir}/asm-ppc 594 cp -pPR "${S}"/include/asm-ppc/* "${D}"/${ddir}/asm-ppc
553 fi 595 fi
554 ;; 596 ;;
555 *) 597 *)
556 dodir ${ddir}/asm 598 dodir ${ddir}/asm
557 cp -pPR "${S}"/include/asm/* ${D}/${ddir}/asm 599 cp -pPR "${S}"/include/asm/* "${D}"/${ddir}/asm
558 ;; 600 ;;
559 esac 601 esac
560 if [[ -n ${multi_dirs} ]] ; then 602 if [[ -n ${multi_dirs} ]] ; then
561 local d ml_inc="" 603 local d ml_inc=""
562 for d in ${multi_dirs} ; do 604 for d in ${multi_dirs} ; do
563 dodir ${ddir}/asm-${d} 605 dodir ${ddir}/asm-${d}
564 cp -pPR "${S}"/include/asm-${d}/* ${D}/${ddir}/asm-${d}/ || die "cp asm-${d} failed" 606 cp -pPR "${S}"/include/asm-${d}/* "${D}"/${ddir}/asm-${d}/ || die "cp asm-${d} failed"
565 607
566 ml_inc="${ml_inc} ${multi_defs%% *}:${ddir}/asm-${d}" 608 ml_inc="${ml_inc} ${multi_defs%% *}:${ddir}/asm-${d}"
567 multi_defs=${multi_defs#* } 609 multi_defs=${multi_defs#* }
568 done 610 done
569 create_ml_includes ${ddir}/asm ${ml_inc} 611 create_ml_includes ${ddir}/asm ${ml_inc}
570 fi 612 fi
571 613
572 if kernel_is 2 6; then 614 if kernel_is 2 6; then
573 dodir ${ddir}/asm-generic 615 dodir ${ddir}/asm-generic
574 cp -pPR "${S}"/include/asm-generic/* ${D}/${ddir}/asm-generic 616 cp -pPR "${S}"/include/asm-generic/* "${D}"/${ddir}/asm-generic
575 fi 617 fi
576 618
577 # clean up 619 # clean up
578 find "${D}" -name '*.orig' -exec rm -f {} \; 620 find "${D}" -name '*.orig' -exec rm -f {} \;
579 621
603 [[ -f ${FILESDIR}/../ChangeLog ]] && \ 645 [[ -f ${FILESDIR}/../ChangeLog ]] && \
604 echo "Please check the ebuild ChangeLog for more details." \ 646 echo "Please check the ebuild ChangeLog for more details." \
605 > "${S}"/patches.txt 647 > "${S}"/patches.txt
606 fi 648 fi
607 649
608 mv ${WORKDIR}/linux* ${D}/usr/src 650 mv ${WORKDIR}/linux* "${D}"/usr/src
609} 651}
610 652
611# pkg_preinst functions 653# pkg_preinst functions
612#============================================================== 654#==============================================================
613preinst_headers() { 655preinst_headers() {
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
632 679
633 # if the link doesnt exist, lets create it 680 # if the link doesnt exist, lets create it
634 [[ ! -h ${ROOT}usr/src/linux ]] && MAKELINK=1 681 [[ ! -h ${ROOT}usr/src/linux ]] && MAKELINK=1
635 682
636 if [[ ${MAKELINK} == 1 ]]; then 683 if [[ ${MAKELINK} == 1 ]]; then
637 cd ${ROOT}usr/src 684 cd "${ROOT}"usr/src
638 ln -sf linux-${KV_FULL} linux 685 ln -sf linux-${KV_FULL} linux
639 cd ${OLDPWD} 686 cd ${OLDPWD}
640 fi 687 fi
641 688
642 # Don't forget to make directory for sysfs 689 # Don't forget to make directory for sysfs
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
886 # sit in KPATCH_DIR's. This is handled properly in the unipatch rewrite, 938 # sit in KPATCH_DIR's. This is handled properly in the unipatch rewrite,
887 # which is why I'm not taking too much time over this. 939 # which is why I'm not taking too much time over this.
888 local tmp 940 local tmp
889 for i in ${UNIPATCH_DOCS}; do 941 for i in ${UNIPATCH_DOCS}; do
890 tmp="${tmp} ${i//*\/}" 942 tmp="${tmp} ${i//*\/}"
891 cp -f ${i} ${T}/ 943 cp -f ${i} "${T}"/
892 done 944 done
893 UNIPATCH_DOCS="${tmp}" 945 UNIPATCH_DOCS="${tmp}"
894 946
895 # clean up KPATCH_DIR's - fixes bug #53610 947 # clean up KPATCH_DIR's - fixes bug #53610
896 for x in ${KPATCH_DIR}; do rm -Rf ${x}; done 948 for x in ${KPATCH_DIR}; do rm -Rf ${x}; done
1042 1094
1043 # allow ebuilds to massage the source tree after patching but before 1095 # allow ebuilds to massage the source tree after patching but before
1044 # we run misc `make` functions below 1096 # we run misc `make` functions below
1045 [[ $(type -t kernel-2_hook_premake) == "function" ]] && kernel-2_hook_premake 1097 [[ $(type -t kernel-2_hook_premake) == "function" ]] && kernel-2_hook_premake
1046 1098
1099 debug-print "Doing epatch_user"
1100 epatch_user
1101
1047 debug-print "Doing unpack_set_extraversion" 1102 debug-print "Doing unpack_set_extraversion"
1048 1103
1049 [[ -z ${K_NOSETEXTRAVERSION} ]] && unpack_set_extraversion 1104 [[ -z ${K_NOSETEXTRAVERSION} ]] && unpack_set_extraversion
1050 unpack_fix_install_path 1105 unpack_fix_install_path
1051 1106
1059 # unpack_2_6 should now be 2.6.17 safe anyways 1114 # unpack_2_6 should now be 2.6.17 safe anyways
1060 if [[ ${ETYPE} == headers ]]; then 1115 if [[ ${ETYPE} == headers ]]; then
1061 kernel_is 2 4 && unpack_2_4 1116 kernel_is 2 4 && unpack_2_4
1062 kernel_is 2 6 && unpack_2_6 1117 kernel_is 2 6 && unpack_2_6
1063 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
1064} 1124}
1065 1125
1066kernel-2_src_compile() { 1126kernel-2_src_compile() {
1067 cd "${S}" 1127 cd "${S}"
1068 [[ ${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
1069} 1135}
1070 1136
1071kernel-2_pkg_preinst() { 1137kernel-2_pkg_preinst() {
1072 [[ ${ETYPE} == headers ]] && preinst_headers 1138 [[ ${ETYPE} == headers ]] && preinst_headers
1073} 1139}

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