# Copyright 1999-2019 Gentoo Authors # Distributed under the terms of the GNU General Public License v2 # @ECLASS: kernel-2.eclass # @MAINTAINER: # Gentoo Kernel project # @AUTHOR: # John Mylchreest # Mike Pagano # # @SUPPORTED_EAPIS: 2 3 4 5 6 # @BLURB: Eclass for kernel packages # @DESCRIPTION: # This is the kernel.eclass rewrite for a clean base regarding the 2.6 # series of kernel with back-compatibility for 2.4 # Please direct your bugs to the current eclass maintainer :) # added functionality: # unipatch - a flexible, singular method to extract, add and remove patches. # @ECLASS-VARIABLE: K_USEPV # @DEFAULT_UNSET # @DESCRIPTION: # When setting the EXTRAVERSION variable, it should # add PV to the end. # this is useful for things like wolk. IE: # EXTRAVERSION would be something like : -wolk-4.19-r1 # @ECLASS-VARIABLE: K_NOSETEXTRAVERSION # @DEFAULT_UNSET # @DESCRIPTION: # if this is set then EXTRAVERSION will not be # automatically set within the kernel Makefile # @ECLASS-VARIABLE: K_NOUSENAME # @DEFAULT_UNSET # @DESCRIPTION: # if this is set then EXTRAVERSION will not include the # first part of ${PN} in EXTRAVERSION # @ECLASS-VARIABLE: K_NOUSEPR # @DEFAULT_UNSET # @DESCRIPTION: # if this is set then EXTRAVERSION will not include the # anything based on ${PR}. # @ECLASS-VARIABLE: K_PREPATCHED # @DEFAULT_UNSET # @DESCRIPTION: # if the patchset is prepatched (ie: mm-sources, # ck-sources, ac-sources) it will use PR (ie: -r5) as # the patchset version for # and not use it as a true package revision # @ECLASS-VARIABLE: K_EXTRAEINFO # @DEFAULT_UNSET # @DESCRIPTION: # this is a new-line seperated list of einfo displays in # postinst and can be used to carry additional postinst # messages # @ECLASS-VARIABLE: K_EXTRAELOG # @DEFAULT_UNSET # @DESCRIPTION: # same as K_EXTRAEINFO except using elog instead of einfo # @ECLASS-VARIABLE: K_EXTRAEWARN # @DEFAULT_UNSET # @DESCRIPTION: # same as K_EXTRAEINFO except using ewarn instead of einfo # @ECLASS-VARIABLE: K_SYMLINK # @DEFAULT_UNSET # @DESCRIPTION: # if this is set, then forcably create symlink anyway # @ECLASS-VARIABLE: K_BASE_VER # @DEFAULT_UNSET # @DESCRIPTION: # for git-sources, declare the base version this patch is # based off of. # @ECLASS-VARIABLE: K_DEFCONFIG # @DEFAULT_UNSET # @DESCRIPTION: # Allow specifying a different defconfig target. # If length zero, defaults to "defconfig". # @ECLASS-VARIABLE: K_WANT_GENPATCHES # @DEFAULT_UNSET # @DESCRIPTION: # Apply genpatches to kernel source. Provide any # combination of "base", "extras" or "experimental". # @ECLASS-VARIABLE: K_EXP_GENPATCHES_PULL # @DEFAULT_UNSET # @DESCRIPTION: # If set, we pull "experimental" regardless of the USE FLAG # but expect the ebuild maintainer to use K_EXP_GENPATCHES_LIST. # @ECLASS-VARIABLE: K_EXP_GENPATCHES_NOUSE # @DEFAULT_UNSET # @DESCRIPTION: # If set, no USE flag will be provided for "experimental"; # as a result the user cannot choose to apply those patches. # @ECLASS-VARIABLE: K_EXP_GENPATCHES_LIST # @DEFAULT_UNSET # @DESCRIPTION: # A list of patches to pick from "experimental" to apply when # the USE flag is unset and K_EXP_GENPATCHES_PULL is set. # @ECLASS-VARIABLE: K_FROM_GIT # @DEFAULT_UNSET # @DESCRIPTION: # If set, this variable signals that the kernel sources derives # from a git tree and special handling will be applied so that # any patches that are applied will actually apply. # @ECLASS-VARIABLE: K_GENPATCHES_VER # @DEFAULT_UNSET # @DESCRIPTION: # The version of the genpatches tarball(s) to apply. # A value of "5" would apply genpatches-2.6.12-5 to # my-sources-2.6.12.ebuild # @ECLASS-VARIABLE: K_SECURITY_UNSUPPORTED # @DEFAULT_UNSET # @DESCRIPTION: # If set, this kernel is unsupported by Gentoo Security # to the current eclass maintainer :) # @ECLASS-VARIABLE: K_DEBLOB_AVAILABLE # @DEFAULT_UNSET # @DESCRIPTION: # A value of "0" will disable all of the optional deblob # code. If empty, will be set to "1" if deblobbing is # possible. Test ONLY for "1". # @ECLASS-VARIABLE: K_DEBLOB_TAG # @DEFAULT_UNSET # @DESCRIPTION: # This will be the version of deblob script. It's a upstream SVN tag # such asw -gnu or -gnu1. # @ECLASS-VARIABLE: K_PREDEBLOBBED # @DEFAULT_UNSET # @DESCRIPTION: # This kernel was already deblobbed elsewhere. # If false, either optional deblobbing will be available # or the license will note the inclusion of linux-firmware code. # @ECLASS-VARIABLE: K_LONGTERM # @DEFAULT_UNSET # @DESCRIPTION: # If set, the eclass will search for the kernel source # in the long term directories on the upstream servers # as the location has been changed by upstream # @ECLASS-VARIABLE: H_SUPPORTEDARCH # @DEFAULT_UNSET # @DESCRIPTION: # this should be a space separated list of ARCH's which # can be supported by the headers ebuild # @ECLASS-VARIABLE: UNIPATCH_LIST # @DEFAULT_UNSET # @DESCRIPTION: # space delimetered list of patches to be applied to the kernel # @ECLASS-VARIABLE: UNIPATCH_EXCLUDE # @DEFAULT_UNSET # @DESCRIPTION: # An addition var to support exlusion based completely # on "*" and not "_*" # this should _NOT_ be used from the ebuild as this is # reserved for end users passing excludes from the cli # @ECLASS-VARIABLE: UNIPATCH_DOCS # @DEFAULT_UNSET # @DESCRIPTION: # space delimemeted list of docs to be installed to # the doc dir # @ECLASS-VARIABLE: UNIPATCH_STRICTORDER # @DEFAULT_UNSET # @DESCRIPTION: # if this is set places patches into directories of # order, so they are applied in the order passed # Changing any other variable in this eclass is not supported; you can request # for additional variables to be added by contacting the current maintainer. # If you do change them, there is a chance that we will not fix resulting bugs; # that of course does not mean we're not willing to help. inherit toolchain-funcs [[ ${EAPI:-0} == [012345] ]] && inherit epatch [[ ${EAPI:-0} == [0123456] ]] && inherit estack eapi7-ver case ${EAPI:-0} in 2|3|4|5|6) EXPORT_FUNCTIONS src_{unpack,prepare,compile,install,test} \ pkg_{setup,preinst,postinst,postrm} ;; *) die "${ECLASS}: EAPI ${EAPI} not supported" ;; esac # Added by Daniel Ostrow # This is an ugly hack to get around an issue with a 32-bit userland on ppc64. # I will remove it when I come up with something more reasonable. [[ ${PROFILE_ARCH} == "ppc64" ]] && CHOST="powerpc64-${CHOST#*-}" export CTARGET=${CTARGET:-${CHOST}} if [[ ${CTARGET} == ${CHOST} && ${CATEGORY/cross-} != ${CATEGORY} ]]; then export CTARGET=${CATEGORY/cross-} fi HOMEPAGE="https://www.kernel.org/ https://wiki.gentoo.org/wiki/Kernel ${HOMEPAGE}" : ${LICENSE:="GPL-2"} # This is the latest KV_PATCH of the deblob tool available from the # libre-sources upstream. If you bump this, you MUST regenerate the Manifests # for ALL kernel-2 consumer packages where deblob is available. : ${DEBLOB_MAX_VERSION:=38} # No need to run scanelf/strip on kernel sources/headers (bug #134453). RESTRICT="binchecks strip" # set LINUX_HOSTCFLAGS if not already set : ${LINUX_HOSTCFLAGS:="-Wall -Wstrict-prototypes -Os -fomit-frame-pointer -I${S}/include"} # @FUNCTION: debug-print-kernel2-variables # @USAGE: # @DESCRIPTION: # this function exists only to help debug kernel-2.eclass # if you are adding new functionality in, put a call to it # at the start of src_unpack, or during SRC_URI/dep generation. debug-print-kernel2-variables() { for v in PVR CKV OKV KV KV_FULL KV_MAJOR KV_MINOR KV_PATCH RELEASETYPE \ RELEASE UNIPATCH_LIST_DEFAULT UNIPATCH_LIST_GENPATCHES \ UNIPATCH_LIST S KERNEL_URI K_WANT_GENPATCHES ; do debug-print "${v}: ${!v}" done } # @FUNCTION: handle_genpatches # @USAGE: [--set-unipatch-list] # @DESCRIPTION: # add genpatches to list of patches to apply if wanted handle_genpatches() { local tarball want_unipatch_list [[ -z ${K_WANT_GENPATCHES} || -z ${K_GENPATCHES_VER} ]] && return 1 if [[ -n ${1} ]]; then # set UNIPATCH_LIST_GENPATCHES only on explicit request # since that requires 'use' call which can be used only in phase # functions, while the function is also called in global scope if [[ ${1} == --set-unipatch-list ]]; then want_unipatch_list=1 else die "Usage: ${FUNCNAME} [--set-unipatch-list]" fi fi debug-print "Inside handle_genpatches" local OKV_ARRAY IFS="." read -r -a OKV_ARRAY <<<"${OKV}" # for > 3.0 kernels, handle genpatches tarball name # genpatches for 3.0 and 3.0.1 might be named # genpatches-3.0-1.base.tar.xz and genpatches-3.0-2.base.tar.xz # respectively. Handle this. for i in ${K_WANT_GENPATCHES} ; do if [[ ${KV_MAJOR} -ge 3 ]]; then if [[ ${#OKV_ARRAY[@]} -ge 3 ]]; then tarball="genpatches-${KV_MAJOR}.${KV_MINOR}-${K_GENPATCHES_VER}.${i}.tar.xz" else tarball="genpatches-${KV_MAJOR}.${KV_PATCH}-${K_GENPATCHES_VER}.${i}.tar.xz" fi else tarball="genpatches-${OKV}-${K_GENPATCHES_VER}.${i}.tar.xz" fi local use_cond_start="" use_cond_end="" if [[ "${i}" == "experimental" && -z ${K_EXP_GENPATCHES_PULL} && -z ${K_EXP_GENPATCHES_NOUSE} ]] ; then use_cond_start="experimental? ( " use_cond_end=" )" if [[ -n ${want_unipatch_list} ]] && use experimental ; then UNIPATCH_LIST_GENPATCHES+=" ${DISTDIR}/${tarball}" debug-print "genpatches tarball: $tarball" fi elif [[ -n ${want_unipatch_list} ]]; then UNIPATCH_LIST_GENPATCHES+=" ${DISTDIR}/${tarball}" debug-print "genpatches tarball: $tarball" fi GENPATCHES_URI+=" ${use_cond_start}$(echo https://dev.gentoo.org/~{alicef,mpagano,whissi}/dist/genpatches/${tarball})${use_cond_end}" done } # @FUNCTION: detect_version # @USAGE: # @DESCRIPTION: # this function will detect and set # - OKV: Original Kernel Version (2.6.0/2.6.0-test11) # - KV: Kernel Version (2.6.0-gentoo/2.6.0-test11-gentoo-r1) # - EXTRAVERSION: The additional version appended to OKV (-gentoo/-gentoo-r1) detect_version() { # We've already run, so nothing to do here. [[ -n ${KV_FULL} ]] && return 0 # CKV is used as a comparison kernel version, which is used when # PV doesnt reflect the genuine kernel version. # this gets set to the portage style versioning. ie: # CKV=2.6.11_rc4 CKV=${CKV:-${PV}} OKV=${OKV:-${CKV}} OKV=${OKV/_beta/-test} OKV=${OKV/_rc/-rc} OKV=${OKV/-r*} OKV=${OKV/_p*} KV_MAJOR=$(ver_cut 1 ${OKV}) # handle if OKV is X.Y or X.Y.Z (e.g. 3.0 or 3.0.1) local OKV_ARRAY IFS="." read -r -a OKV_ARRAY <<<"${OKV}" # if KV_MAJOR >= 3, then we have no more KV_MINOR #if [[ ${KV_MAJOR} -lt 3 ]]; then if [[ ${#OKV_ARRAY[@]} -ge 3 ]]; then KV_MINOR=$(ver_cut 2 ${OKV}) KV_PATCH=$(ver_cut 3 ${OKV}) if [[ ${KV_MAJOR}${KV_MINOR}${KV_PATCH} -ge 269 ]]; then KV_EXTRA=$(ver_cut 4- ${OKV}) KV_EXTRA=${KV_EXTRA/[-_]*} else KV_PATCH=$(ver_cut 3- ${OKV}) fi else KV_PATCH=$(ver_cut 2 ${OKV}) KV_EXTRA=$(ver_cut 3- ${OKV}) KV_EXTRA=${KV_EXTRA/[-_]*} fi debug-print "KV_EXTRA is ${KV_EXTRA}" KV_PATCH=${KV_PATCH/[-_]*} local v n=0 missing #if [[ ${KV_MAJOR} -lt 3 ]]; then if [[ ${#OKV_ARRAY[@]} -ge 3 ]]; then for v in CKV OKV KV_{MAJOR,MINOR,PATCH} ; do [[ -z ${!v} ]] && n=1 && missing="${missing}${v} "; done else for v in CKV OKV KV_{MAJOR,PATCH} ; do [[ -z ${!v} ]] && n=1 && missing="${missing}${v} "; done fi [[ $n -eq 1 ]] && \ eerror "Missing variables: ${missing}" && \ die "Failed to extract kernel version (try explicit CKV in ebuild)!" unset v n missing # if [[ ${KV_MAJOR} -ge 3 ]]; then if [[ ${#OKV_ARRAY[@]} -lt 3 ]]; then KV_PATCH_ARR=(${KV_PATCH//\./ }) # at this point 031412, Linus is putting all 3.x kernels in a # 3.x directory, may need to revisit when 4.x is released KERNEL_BASE_URI="https://www.kernel.org/pub/linux/kernel/v${KV_MAJOR}.x" [[ -n "${K_LONGTERM}" ]] && KERNEL_BASE_URI="${KERNEL_BASE_URI}/longterm/v${KV_MAJOR}.${KV_PATCH_ARR}" else #KERNEL_BASE_URI="https://www.kernel.org/pub/linux/kernel/v${KV_MAJOR}.0" #KERNEL_BASE_URI="https://www.kernel.org/pub/linux/kernel/v${KV_MAJOR}.${KV_MINOR}" if [[ ${KV_MAJOR} -ge 3 ]]; then KERNEL_BASE_URI="https://www.kernel.org/pub/linux/kernel/v${KV_MAJOR}.x" else KERNEL_BASE_URI="https://www.kernel.org/pub/linux/kernel/v${KV_MAJOR}.${KV_MINOR}" fi [[ -n "${K_LONGTERM}" ]] && #KERNEL_BASE_URI="${KERNEL_BASE_URI}/longterm" KERNEL_BASE_URI="${KERNEL_BASE_URI}/longterm/v${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}" fi debug-print "KERNEL_BASE_URI is ${KERNEL_BASE_URI}" if [[ ${#OKV_ARRAY[@]} -ge 3 ]] && [[ ${KV_MAJOR} -ge 3 ]]; then # handle non genpatch using sources correctly if [[ -z ${K_WANT_GENPATCHES} && -z ${K_GENPATCHES_VER} && ${KV_PATCH} -gt 0 ]]; then KERNEL_URI="${KERNEL_BASE_URI}/patch-${OKV}.xz" UNIPATCH_LIST_DEFAULT="${DISTDIR}/patch-${CKV}.xz" fi KERNEL_URI="${KERNEL_URI} ${KERNEL_BASE_URI}/linux-${KV_MAJOR}.${KV_MINOR}.tar.xz" else KERNEL_URI="${KERNEL_BASE_URI}/linux-${OKV}.tar.xz" fi RELEASE=${CKV/${OKV}} RELEASE=${RELEASE/_beta} RELEASE=${RELEASE/_rc/-rc} RELEASE=${RELEASE/_pre/-pre} # We cannot trivally call kernel_is here, because it calls us to detect the # version #kernel_is ge 2 6 && RELEASE=${RELEASE/-pre/-git} [ $(($KV_MAJOR * 1000 + ${KV_MINOR:-0})) -ge 2006 ] && RELEASE=${RELEASE/-pre/-git} RELEASETYPE=${RELEASE//[0-9]} # Now we know that RELEASE is the -rc/-git # and RELEASETYPE is the same but with its numerics stripped # we can work on better sorting EXTRAVERSION. # first of all, we add the release EXTRAVERSION="${RELEASE}" debug-print "0 EXTRAVERSION:${EXTRAVERSION}" [[ -n ${KV_EXTRA} ]] && [[ ${KV_MAJOR} -lt 3 ]] && EXTRAVERSION=".${KV_EXTRA}${EXTRAVERSION}" debug-print "1 EXTRAVERSION:${EXTRAVERSION}" if [[ -n "${K_NOUSEPR}" ]]; then # Don't add anything based on PR to EXTRAVERSION debug-print "1.0 EXTRAVERSION:${EXTRAVERSION}" elif [[ -n ${K_PREPATCHED} ]]; then debug-print "1.1 EXTRAVERSION:${EXTRAVERSION}" EXTRAVERSION="${EXTRAVERSION}-${PN/-*}${PR/r}" elif [[ "${ETYPE}" = "sources" ]]; then debug-print "1.2 EXTRAVERSION:${EXTRAVERSION}" # For some sources we want to use the PV in the extra version # This is because upstream releases with a completely different # versioning scheme. case ${PN/-*} in wolk) K_USEPV=1;; vserver) K_USEPV=1;; esac [[ -z "${K_NOUSENAME}" ]] && EXTRAVERSION="${EXTRAVERSION}-${PN/-*}" [[ -n "${K_USEPV}" ]] && EXTRAVERSION="${EXTRAVERSION}-${PV//_/-}" [[ -n "${PR//r0}" ]] && EXTRAVERSION="${EXTRAVERSION}-${PR}" fi debug-print "2 EXTRAVERSION:${EXTRAVERSION}" # The only messing around which should actually effect this is for KV_EXTRA # since this has to limit OKV to MAJ.MIN.PAT and strip EXTRA off else # KV_FULL evaluates to MAJ.MIN.PAT.EXT.EXT after EXTRAVERSION if [[ -n ${KV_EXTRA} ]]; then if [[ -n ${KV_MINOR} ]]; then OKV="${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}" else OKV="${KV_MAJOR}.${KV_PATCH}" fi KERNEL_URI="${KERNEL_BASE_URI}/patch-${CKV}.xz ${KERNEL_BASE_URI}/linux-${OKV}.tar.xz" UNIPATCH_LIST_DEFAULT="${DISTDIR}/patch-${CKV}.xz" fi # We need to set this using OKV, but we need to set it before we do any # messing around with OKV based on RELEASETYPE KV_FULL=${OKV}${EXTRAVERSION} # we will set this for backwards compatibility. S="${WORKDIR}"/linux-${KV_FULL} KV=${KV_FULL} # -rc-git pulls can be achieved by specifying CKV # for example: # CKV="2.6.11_rc3_pre2" # will pull: # linux-2.6.10.tar.xz & patch-2.6.11-rc3.xz & patch-2.6.11-rc3-git2.xz if [[ ${KV_MAJOR}${KV_MINOR} -eq 26 ]]; then if [[ ${RELEASETYPE} == -rc ]] || [[ ${RELEASETYPE} == -pre ]]; then OKV="${KV_MAJOR}.${KV_MINOR}.$((${KV_PATCH} - 1))" KERNEL_URI="${KERNEL_BASE_URI}/testing/patch-${CKV//_/-}.xz ${KERNEL_BASE_URI}/linux-${OKV}.tar.xz" UNIPATCH_LIST_DEFAULT="${DISTDIR}/patch-${CKV//_/-}.xz" fi if [[ ${RELEASETYPE} == -git ]]; then KERNEL_URI="${KERNEL_BASE_URI}/snapshots/patch-${OKV}${RELEASE}.xz ${KERNEL_BASE_URI}/linux-${OKV}.tar.xz" UNIPATCH_LIST_DEFAULT="${DISTDIR}/patch-${OKV}${RELEASE}.xz" fi if [[ ${RELEASETYPE} == -rc-git ]]; then OKV="${KV_MAJOR}.${KV_MINOR}.$((${KV_PATCH} - 1))" KERNEL_URI="${KERNEL_BASE_URI}/snapshots/patch-${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}${RELEASE}.xz ${KERNEL_BASE_URI}/testing/patch-${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}${RELEASE/-git*}.xz ${KERNEL_BASE_URI}/linux-${OKV}.tar.xz" UNIPATCH_LIST_DEFAULT="${DISTDIR}/patch-${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}${RELEASE/-git*}.xz ${DISTDIR}/patch-${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}${RELEASE}.xz" fi else KV_PATCH_ARR=(${KV_PATCH//\./ }) # the different majorminor versions have different patch start versions OKV_DICT=(["2"]="${KV_MAJOR}.$((${KV_PATCH_ARR} - 1))" ["3"]="2.6.39" ["4"]="3.19") if [[ ${RELEASETYPE} == -rc ]] || [[ ${RELEASETYPE} == -pre ]]; then OKV=${K_BASE_VER:-$OKV_DICT["${KV_MAJOR}"]} # as of 12/5/2017, the rc patch is no longer offered as a compressed # file, and no longer is it mirrored on kernel.org if ver_test "${KV_MAJOR}.${KV_PATCH}" -ge "4.12"; then KERNEL_URI="https://git.kernel.org/torvalds/p/v${KV_FULL}/v${OKV} -> patch-${KV_FULL}.patch ${KERNEL_BASE_URI}/linux-${OKV}.tar.xz" UNIPATCH_LIST_DEFAULT="${DISTDIR}/patch-${CKV//_/-}.patch" else KERNEL_URI="${KERNEL_BASE_URI}/testing/patch-${CKV//_/-}.xz ${KERNEL_BASE_URI}/linux-${OKV}.tar.xz" UNIPATCH_LIST_DEFAULT="${DISTDIR}/patch-${CKV//_/-}.xz" fi fi if [[ ${RELEASETYPE} == -git ]]; then KERNEL_URI="${KERNEL_BASE_URI}/snapshots/patch-${OKV}${RELEASE}.xz ${KERNEL_BASE_URI}/linux-${OKV}.tar.xz" UNIPATCH_LIST_DEFAULT="${DISTDIR}/patch-${OKV}${RELEASE}.xz" fi if [[ ${RELEASETYPE} == -rc-git ]]; then OKV=${K_BASE_VER:-$OKV_DICT["${KV_MAJOR}"]} KERNEL_URI="${KERNEL_BASE_URI}/snapshots/patch-${KV_MAJOR}.${KV_PATCH}${RELEASE}.xz ${KERNEL_BASE_URI}/testing/patch-${KV_MAJOR}.${KV_PATCH}${RELEASE/-git*}.xz ${KERNEL_BASE_URI}/linux-${OKV}.tar.xz" UNIPATCH_LIST_DEFAULT="${DISTDIR}/patch-${KV_MAJOR}.${KV_PATCH}${RELEASE/-git*}.xz ${DISTDIR}/patch-${KV_MAJOR}.${KV_PATCH}${RELEASE}.xz" fi fi debug-print-kernel2-variables handle_genpatches } # @FUNCTION: kernel_is # @USAGE: # @DESCRIPTION: # user for comparing kernel versions # or just identifying a version # e.g kernel_is 2 4 # e.g kernel_is ge 4.8.11 # Note: duplicated in linux-info.eclass kernel_is() { # ALL of these should be set before we can safely continue this function. # some of the sources have in the past had only one set. local v n=0 for v in OKV KV_{MAJOR,MINOR,PATCH} ; do [[ -z ${!v} ]] && n=1 ; done [[ $n -eq 1 ]] && detect_version unset v n # Now we can continue local operator test value case ${1#-} in lt) operator="-lt"; shift;; gt) operator="-gt"; shift;; le) operator="-le"; shift;; ge) operator="-ge"; shift;; eq) operator="-eq"; shift;; *) operator="-eq";; esac [[ $# -gt 3 ]] && die "Error in kernel-2_kernel_is(): too many parameters" : $(( test = (KV_MAJOR << 16) + (KV_MINOR << 8) + KV_PATCH )) : $(( value = (${1:-${KV_MAJOR}} << 16) + (${2:-${KV_MINOR}} << 8) + ${3:-${KV_PATCH}} )) [ ${test} ${operator} ${value} ] } # @FUNCTION: kernel_is_2_4 # @USAGE: # @DESCRIPTION: # return true if kernel is version 2.4 kernel_is_2_4() { kernel_is 2 4 } # @FUNCTION: kernel_is_2_6 # @USAGE: # @DESCRIPTION: # return true if kernel is version 2.6 kernel_is_2_6() { kernel_is 2 6 || kernel_is 2 5 } # Capture the sources type and set DEPENDs if [[ ${ETYPE} == sources ]]; then DEPEND="!build? ( sys-apps/sed >=sys-devel/binutils-2.11.90.0.31 )" RDEPEND="!build? ( dev-lang/perl sys-devel/bc sys-devel/bison sys-devel/flex sys-devel/make >=sys-libs/ncurses-5.2 virtual/libelf )" SLOT="${PVR}" DESCRIPTION="Sources based on the Linux Kernel." IUSE="symlink build" # Bug #266157, deblob for libre support if [[ -z ${K_PREDEBLOBBED} ]] ; then # Bug #359865, force a call to detect_version if needed kernel_is ge 2 6 27 && \ [[ -z "${K_DEBLOB_AVAILABLE}" ]] && \ kernel_is le 2 6 ${DEBLOB_MAX_VERSION} && \ K_DEBLOB_AVAILABLE=1 if [[ ${K_DEBLOB_AVAILABLE} == "1" ]] ; then PYTHON_COMPAT=( python2_7 ) inherit python-any-r1 IUSE="${IUSE} deblob" # Reflect that kernels contain firmware blobs unless otherwise # stripped. Starting with version 4.14, the whole firmware # tree has been dropped from the kernel. kernel_is lt 4 14 && LICENSE+=" !deblob? ( linux-firmware )" DEPEND+=" deblob? ( ${PYTHON_DEPS} )" if [[ -n KV_MINOR ]]; then DEBLOB_PV="${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}" else DEBLOB_PV="${KV_MAJOR}.${KV_PATCH}" fi if [[ ${KV_MAJOR} -ge 3 ]]; then DEBLOB_PV="${KV_MAJOR}.${KV_MINOR}" fi # deblob svn tag, default is -gnu, to change, use K_DEBLOB_TAG in ebuild K_DEBLOB_TAG=${K_DEBLOB_TAG:--gnu} DEBLOB_A="deblob-${DEBLOB_PV}" DEBLOB_CHECK_A="deblob-check-${DEBLOB_PV}" DEBLOB_HOMEPAGE="https://www.fsfla.org/svn/fsfla/software/linux-libre/releases/tags/" DEBLOB_URI_PATH="${DEBLOB_PV}${K_DEBLOB_TAG}" DEBLOB_CHECK_URI="${DEBLOB_HOMEPAGE}/${DEBLOB_URI_PATH}/deblob-check -> ${DEBLOB_CHECK_A}" DEBLOB_URI="${DEBLOB_HOMEPAGE}/${DEBLOB_URI_PATH}/${DEBLOB_A}" HOMEPAGE="${HOMEPAGE} ${DEBLOB_HOMEPAGE}" KERNEL_URI="${KERNEL_URI} deblob? ( ${DEBLOB_URI} ${DEBLOB_CHECK_URI} )" elif kernel_is lt 4 14; then # Deblobbing is not available, so just mark kernels older # than 4.14 as tainted with non-libre materials. LICENSE+=" linux-firmware" fi fi elif [[ ${ETYPE} == headers ]]; then DESCRIPTION="Linux system headers" IUSE="headers-only" # Since we should NOT honour KBUILD_OUTPUT in headers # lets unset it here. unset KBUILD_OUTPUT SLOT="0" fi # Cross-compile support functions # @FUNCTION: kernel_header_destdir # @USAGE: # @DESCRIPTION: # return header destination directory kernel_header_destdir() { [[ ${CTARGET} == ${CHOST} ]] \ && echo /usr/include \ || echo /usr/${CTARGET}/usr/include } # @FUNCTION: cross_pre_c_headers # @USAGE: # @DESCRIPTION: # set use if necessary for cross compile support cross_pre_c_headers() { use headers-only && [[ ${CHOST} != ${CTARGET} ]] } # @FUNCTION: env_setup_xmakeopts # @USAGE: # @DESCRIPTION: # set the ARCH/CROSS_COMPILE when cross compiling env_setup_xmakeopts() { # Kernel ARCH != portage ARCH export KARCH=$(tc-arch-kernel) # When cross-compiling, we need to set the ARCH/CROSS_COMPILE # variables properly or bad things happen ! xmakeopts="ARCH=${KARCH}" if [[ ${CTARGET} != ${CHOST} ]] && ! cross_pre_c_headers ; then xmakeopts="${xmakeopts} CROSS_COMPILE=${CTARGET}-" elif type -p ${CHOST}-ar > /dev/null ; then xmakeopts="${xmakeopts} CROSS_COMPILE=${CHOST}-" fi export xmakeopts } # @FUNCTION: unpack_2_4 # @USAGE: # @DESCRIPTION: # unpack and generate .config for 2.4 kernels unpack_2_4() { # this file is required for other things to build properly, # so we autogenerate it make -s mrproper ${xmakeopts} || die "make mrproper failed" make -s symlinks ${xmakeopts} || die "make symlinks failed" make -s include/linux/version.h ${xmakeopts} || die "make include/linux/version.h failed" echo ">>> version.h compiled successfully." } # @FUNCTION: unpack_2_6 # @USAGE: # @DESCRIPTION: # unpack and generate .config for 2.6 kernels unpack_2_6() { # this file is required for other things to build properly, so we # autogenerate it ... generate a .config to keep version.h build from # spitting out an annoying warning make -s mrproper ${xmakeopts} 2>/dev/null \ || die "make mrproper failed" # quick fix for bug #132152 which triggers when it cannot include linux # headers (ie, we have not installed it yet) if ! make -s defconfig ${xmakeopts} &>/dev/null 2>&1 ; then touch .config eerror "make defconfig failed." eerror "assuming you dont have any headers installed yet and continuing" fi make -s include/linux/version.h ${xmakeopts} 2>/dev/null \ || die "make include/linux/version.h failed" rm -f .config >/dev/null } # @FUNCTION: universal_unpack # @USAGE: # @DESCRIPTION: # unpack kernel sources universal_unpack() { debug-print "Inside universal_unpack" local OKV_ARRAY IFS="." read -r -a OKV_ARRAY <<<"${OKV}" cd "${WORKDIR}" if [[ ${#OKV_ARRAY[@]} -ge 3 ]] && [[ ${KV_MAJOR} -ge 3 ]]; then unpack linux-${KV_MAJOR}.${KV_MINOR}.tar.xz else unpack linux-${OKV}.tar.xz fi if [[ -d "linux" ]]; then debug-print "Moving linux to linux-${KV_FULL}" mv linux linux-${KV_FULL} \ || die "Unable to move source tree to ${KV_FULL}." elif [[ "${OKV}" != "${KV_FULL}" ]]; then if [[ ${#OKV_ARRAY[@]} -ge 3 ]] && [[ ${KV_MAJOR} -ge 3 ]] && [[ "${ETYPE}" = "sources" ]]; then debug-print "moving linux-${KV_MAJOR}.${KV_MINOR} to linux-${KV_FULL} " mv linux-${KV_MAJOR}.${KV_MINOR} linux-${KV_FULL} \ || die "Unable to move source tree to ${KV_FULL}." else debug-print "moving linux-${OKV} to linux-${KV_FULL} " mv linux-${OKV} linux-${KV_FULL} \ || die "Unable to move source tree to ${KV_FULL}." fi elif [[ ${#OKV_ARRAY[@]} -ge 3 ]] && [[ ${KV_MAJOR} -ge 3 ]]; then mv linux-${KV_MAJOR}.${KV_MINOR} linux-${KV_FULL} \ || die "Unable to move source tree to ${KV_FULL}." fi cd "${S}" # remove all backup files find . -iname "*~" -exec rm {} \; 2> /dev/null } # @FUNCTION: unpack_set_extraversion # @USAGE: # @DESCRIPTION: # handle EXTRAVERSION unpack_set_extraversion() { cd "${S}" sed -i -e "s:^\(EXTRAVERSION =\).*:\1 ${EXTRAVERSION}:" Makefile cd "${OLDPWD}" } # @FUNCTION: unpack_fix_install_path # @USAGE: # @DESCRIPTION: # Should be done after patches have been applied # Otherwise patches that modify the same area of Makefile will fail unpack_fix_install_path() { cd "${S}" sed -i -e 's:#export\tINSTALL_PATH:export\tINSTALL_PATH:' Makefile } # Compile Functions # @FUNCTION: compile_headers # @USAGE: # @DESCRIPTION: # header compilation compile_headers() { env_setup_xmakeopts # if we couldnt obtain HOSTCFLAGS from the Makefile, # then set it to something sane local HOSTCFLAGS=$(getfilevar HOSTCFLAGS "${S}"/Makefile) HOSTCFLAGS=${HOSTCFLAGS:--Wall -Wstrict-prototypes -O2 -fomit-frame-pointer} if kernel_is 2 4; then yes "" | make oldconfig ${xmakeopts} echo ">>> make oldconfig complete" make dep ${xmakeopts} elif kernel_is 2 6; then # 2.6.18 introduces headers_install which means we dont need any # of this crap anymore :D kernel_is ge 2 6 18 && return 0 # autoconf.h isnt generated unless it already exists. plus, we have # no guarantee that any headers are installed on the system... [[ -f ${EROOT}usr/include/linux/autoconf.h ]] \ || touch include/linux/autoconf.h # if K_DEFCONFIG isn't set, force to "defconfig" # needed by mips if [[ -z ${K_DEFCONFIG} ]]; then if kernel_is ge 2 6 16 ; then case ${CTARGET} in powerpc64*) K_DEFCONFIG="ppc64_defconfig";; powerpc*) K_DEFCONFIG="pmac32_defconfig";; *) K_DEFCONFIG="defconfig";; esac else K_DEFCONFIG="defconfig" fi fi # if there arent any installed headers, then there also isnt an asm # symlink in /usr/include/, and make defconfig will fail, so we have # to force an include path with $S. HOSTCFLAGS="${HOSTCFLAGS} -I${S}/include/" ln -sf asm-${KARCH} "${S}"/include/asm || die cross_pre_c_headers && return 0 make ${K_DEFCONFIG} HOSTCFLAGS="${HOSTCFLAGS}" ${xmakeopts} || die "defconfig failed (${K_DEFCONFIG})" if compile_headers_tweak_config ; then yes "" | make oldconfig HOSTCFLAGS="${HOSTCFLAGS}" ${xmakeopts} || die "2nd oldconfig failed" fi make prepare HOSTCFLAGS="${HOSTCFLAGS}" ${xmakeopts} || die "prepare failed" make prepare-all HOSTCFLAGS="${HOSTCFLAGS}" ${xmakeopts} || die "prepare failed" fi } # @FUNCTION: compile_headers_tweak_config # @USAGE: # @DESCRIPTION: # some targets can be very very picky, so let's finesse the # .config based upon any info we may have compile_headers_tweak_config() { case ${CTARGET} in sh*) sed -i '/CONFIG_CPU_SH/d' .config || die echo "CONFIG_CPU_SH${CTARGET:2:1}=y" >> .config return 0;; esac # no changes, so lets do nothing return 1 } # install functions # @FUNCTION: install_universal # @USAGE: # @DESCRIPTION: # Fix permissions in tarball install_universal() { cd "${WORKDIR}" chown -R 0:0 * >& /dev/null chmod -R a+r-w+X,u+w * cd ${OLDPWD} } # @FUNCTION: install_headers # @USAGE: # @DESCRIPTION: # Install headers install_headers() { local ddir=$(kernel_header_destdir) # 2.6.18 introduces headers_install which means we dont need any # of this crap anymore :D if kernel_is ge 2 6 18 ; then env_setup_xmakeopts emake headers_install INSTALL_HDR_PATH="${ED}"${ddir}/.. ${xmakeopts} || die # let other packages install some of these headers rm -rf "${ED}"${ddir}/scsi || die #glibc/uclibc/etc... return 0 fi # Do not use "linux/*" as that can cause problems with very long # $S values where the cmdline to cp is too long pushd "${S}" >/dev/null dodir ${ddir}/linux cp -pPR "${S}"/include/linux "${ED}"${ddir}/ || die rm -rf "${ED}"${ddir}/linux/modules || die dodir ${ddir}/asm cp -pPR "${S}"/include/asm/* "${ED}"${ddir}/asm || die if kernel_is 2 6 ; then dodir ${ddir}/asm-generic cp -pPR "${S}"/include/asm-generic/* "${ED}"${ddir}/asm-generic || die fi # clean up find "${D}" -name '*.orig' -exec rm -f {} \; popd >/dev/null } # @FUNCTION: install_sources # @USAGE: # @DESCRIPTION: # Install sources install_sources() { local file cd "${S}" dodir /usr/src echo ">>> Copying sources ..." file="$(find ${WORKDIR} -iname "docs" -type d)" if [[ -n ${file} ]]; then for file in $(find ${file} -type f); do echo "${file//*docs\/}" >> "${S}"/patches.txt echo "===================================================" >> "${S}"/patches.txt cat ${file} >> "${S}"/patches.txt echo "===================================================" >> "${S}"/patches.txt echo "" >> "${S}"/patches.txt done fi mv "${WORKDIR}"/linux* "${ED}"usr/src || die if [[ -n "${UNIPATCH_DOCS}" ]] ; then for i in ${UNIPATCH_DOCS}; do dodoc "${T}"/${i} done fi } # @FUNCTION: preinst_headers # @USAGE: # @DESCRIPTION: # Headers preinst steps preinst_headers() { local ddir=$(kernel_header_destdir) [[ -L ${EPREFIX}${ddir}/linux ]] && { rm "${EPREFIX}"${ddir}/linux || die; } [[ -L ${EPREFIX}${ddir}/asm ]] && { rm "${EPREFIX}"${ddir}/asm || die; } } # @FUNCTION: postinst_sources # @USAGE: # @DESCRIPTION: # Sources post installation function. # see inline comments postinst_sources() { local MAKELINK=0 # if we have USE=symlink, then force K_SYMLINK=1 use symlink && K_SYMLINK=1 # We do support security on a deblobbed kernel, bug #555878. # If some particular kernel version doesn't have security # supported because of USE=deblob or otherwise, one can still # set K_SECURITY_UNSUPPORTED on a per ebuild basis. #[[ $K_DEBLOB_AVAILABLE == 1 ]] && \ # use deblob && \ # K_SECURITY_UNSUPPORTED=deblob # if we are to forcably symlink, delete it if it already exists first. if [[ ${K_SYMLINK} > 0 ]]; then [[ -h ${EROOT}usr/src/linux ]] && { rm "${EROOT}"usr/src/linux || die; } MAKELINK=1 fi # if the link doesnt exist, lets create it [[ ! -h ${EROOT}usr/src/linux ]] && MAKELINK=1 if [[ ${MAKELINK} == 1 ]]; then ln -sf linux-${KV_FULL} "${EROOT}"usr/src/linux || die fi # Don't forget to make directory for sysfs [[ ! -d ${EROOT}sys ]] && kernel_is 2 6 && { mkdir "${EROOT}"sys || die ; } echo elog "If you are upgrading from a previous kernel, you may be interested" elog "in the following document:" elog " - General upgrade guide: https://wiki.gentoo.org/wiki/Kernel/Upgrade" echo # if K_EXTRAEINFO is set then lets display it now if [[ -n ${K_EXTRAEINFO} ]]; then echo ${K_EXTRAEINFO} | fmt | while read -s ELINE; do einfo "${ELINE}"; done fi # if K_EXTRAELOG is set then lets display it now if [[ -n ${K_EXTRAELOG} ]]; then echo ${K_EXTRAELOG} | fmt | while read -s ELINE; do elog "${ELINE}"; done fi # if K_EXTRAEWARN is set then lets display it now if [[ -n ${K_EXTRAEWARN} ]]; then echo ${K_EXTRAEWARN} | fmt | while read -s ELINE; do ewarn "${ELINE}"; done fi # optionally display security unsupported message # Start with why if [[ -n ${K_SECURITY_UNSUPPORTED} ]]; then ewarn "${PN} is UNSUPPORTED by Gentoo Security." fi # And now the general message. if [[ -n ${K_SECURITY_UNSUPPORTED} ]]; then ewarn "This means that it is likely to be vulnerable to recent security issues." echo ewarn "Upstream kernel developers recommend always running the latest " ewarn "release of any current long term supported Linux kernel version." ewarn "To see a list of these versions, their most current release and " ewarn "long term support status, please go to https://www.kernel.org ." echo ewarn "For specific information on why this kernel is unsupported, please read:" ewarn "https://wiki.gentoo.org/wiki/Project:Kernel_Security" fi # warn sparc users that they need to do cross-compiling with >= 2.6.25(bug #214765) KV_MAJOR=$(ver_cut 1 ${OKV}) KV_MINOR=$(ver_cut 2 ${OKV}) KV_PATCH=$(ver_cut 3 ${OKV}) if [[ "$(tc-arch)" = "sparc" ]]; then if [[ $(gcc-major-version) -lt 4 && $(gcc-minor-version) -lt 4 ]]; then if [[ ${KV_MAJOR} -ge 3 || ${KV_MAJOR}.${KV_MINOR}.${KV_PATCH} > 2.6.24 ]] ; then echo elog "NOTE: Since 2.6.25 the kernel Makefile has changed in a way that" elog "you now need to do" elog " make CROSS_COMPILE=sparc64-unknown-linux-gnu-" elog "instead of just" elog " make" elog "to compile the kernel. For more information please browse to" elog "https://bugs.gentoo.org/show_bug.cgi?id=214765" echo fi fi fi } # pkg_setup functions # @FUNCTION: setup_headers # @USAGE: # @DESCRIPTION: # Determine if ${PN} supports arch setup_headers() { [[ -z ${H_SUPPORTEDARCH} ]] && H_SUPPORTEDARCH=${PN/-*/} for i in ${H_SUPPORTEDARCH}; do [[ $(tc-arch) == "${i}" ]] && H_ACCEPT_ARCH="yes" done if [[ ${H_ACCEPT_ARCH} != "yes" ]]; then echo eerror "This version of ${PN} does not support $(tc-arch)." eerror "Please merge the appropriate sources, in most cases" eerror "(but not all) this will be called $(tc-arch)-headers." die "Package unsupported for $(tc-arch)" fi } # @FUNCTION: unipatch # @USAGE: # @DESCRIPTION: # Universal function that will apply patches to source unipatch() { local i x y z extention PIPE_CMD UNIPATCH_DROP KPATCH_DIR PATCH_DEPTH ELINE local STRICT_COUNT PATCH_LEVEL myLC_ALL myLANG # set to a standard locale to ensure sorts are ordered properly. myLC_ALL="${LC_ALL}" myLANG="${LANG}" LC_ALL="C" LANG="" [ -z "${KPATCH_DIR}" ] && KPATCH_DIR="${WORKDIR}/patches/" [ ! -d ${KPATCH_DIR} ] && mkdir -p ${KPATCH_DIR} # We're gonna need it when doing patches with a predefined patchlevel eshopts_push -s extglob # This function will unpack all passed tarballs, add any passed patches, # and remove any passed patchnumbers # usage can be either via an env var or by params # although due to the nature we pass this within this eclass # it shall be by param only. # -z "${UNIPATCH_LIST}" ] && UNIPATCH_LIST="${@}" UNIPATCH_LIST="${@}" #unpack any passed tarballs for i in ${UNIPATCH_LIST}; do if echo ${i} | grep -qs -e "\.tar" -e "\.tbz" -e "\.tgz" ; then if [ -n "${UNIPATCH_STRICTORDER}" ]; then unset z STRICT_COUNT=$((10#${STRICT_COUNT} + 1)) for((y=0; y<$((6 - ${#STRICT_COUNT})); y++)); do z="${z}0"; done PATCH_ORDER="${z}${STRICT_COUNT}" mkdir -p "${KPATCH_DIR}/${PATCH_ORDER}" pushd "${KPATCH_DIR}/${PATCH_ORDER}" >/dev/null unpack ${i##*/} popd >/dev/null else pushd "${KPATCH_DIR}" >/dev/null unpack ${i##*/} popd >/dev/null fi [[ ${i} == *:* ]] && echo ">>> Strict patch levels not currently supported for tarballed patchsets" else extention=${i/*./} extention=${extention/:*/} PIPE_CMD="" case ${extention} in xz) PIPE_CMD="xz -dc";; lzma) PIPE_CMD="lzma -dc";; bz2) PIPE_CMD="bzip2 -dc";; patch*) PIPE_CMD="cat";; diff) PIPE_CMD="cat";; gz|Z|z) PIPE_CMD="gzip -dc";; ZIP|zip) PIPE_CMD="unzip -p";; *) UNIPATCH_DROP="${UNIPATCH_DROP} ${i/:*/}";; esac PATCH_LEVEL=${i/*([^:])?(:)} i=${i/:*/} x=${i/*\//} x=${x/\.${extention}/} if [ -n "${PIPE_CMD}" ]; then if [ ! -r "${i}" ]; then echo eerror "FATAL: unable to locate:" eerror "${i}" eerror "for read-only. The file either has incorrect permissions" eerror "or does not exist." die Unable to locate ${i} fi if [ -n "${UNIPATCH_STRICTORDER}" ]; then unset z STRICT_COUNT=$((10#${STRICT_COUNT} + 1)) for((y=0; y<$((6 - ${#STRICT_COUNT})); y++)); do z="${z}0"; done PATCH_ORDER="${z}${STRICT_COUNT}" mkdir -p ${KPATCH_DIR}/${PATCH_ORDER}/ $(${PIPE_CMD} ${i} > ${KPATCH_DIR}/${PATCH_ORDER}/${x}.patch${PATCH_LEVEL}) || die "uncompressing patch failed" else $(${PIPE_CMD} ${i} > ${KPATCH_DIR}/${x}.patch${PATCH_LEVEL}) || die "uncompressing patch failed" fi fi fi # If experimental was not chosen by the user, drop experimental patches not in K_EXP_GENPATCHES_LIST. if [[ "${i}" == *"genpatches-"*".experimental."* && -n ${K_EXP_GENPATCHES_PULL} ]] ; then if [[ -z ${K_EXP_GENPATCHES_NOUSE} ]] && use experimental; then continue fi local j for j in ${KPATCH_DIR}/*/50*_*.patch*; do for k in ${K_EXP_GENPATCHES_LIST} ; do [[ "$(basename ${j})" == ${k}* ]] && continue 2 done UNIPATCH_DROP+=" $(basename ${j})" done else UNIPATCH_LIST_GENPATCHES+=" ${DISTDIR}/${tarball}" debug-print "genpatches tarball: $tarball" local GCC_MAJOR_VER=$(gcc-major-version) local GCC_MINOR_VER=$(gcc-minor-version) # optimization patch for gcc < 8.X and kernel > 4.13 if kernel_is ge 4 13 ; then if [[ ${GCC_MAJOR_VER} -lt 8 ]] && [[ ${GCC_MAJOR_VER} -gt 4 ]]; then UNIPATCH_DROP+=" 5011_enable-cpu-optimizations-for-gcc8.patch" UNIPATCH_DROP+=" 5012_enable-cpu-optimizations-for-gcc91.patch" # optimization patch for gcc >= 8 and kernel ge 4.13 elif [[ "${GCC_MAJOR_VER}" -eq 8 ]]; then # support old kernels for a period. For now, remove as all gcc versions required are masked UNIPATCH_DROP+=" 5010_enable-additional-cpu-optimizations-for-gcc.patch" UNIPATCH_DROP+=" 5010_enable-additional-cpu-optimizations-for-gcc-4.9.patch" UNIPATCH_DROP+=" 5012_enable-cpu-optimizations-for-gcc91.patch" elif [[ "${GCC_MAJOR_VER}" -ge 9 ]] && [[ ${GCC_MINOR_VER} -ge 1 ]]; then UNIPATCH_DROP+=" 5010_enable-additional-cpu-optimizations-for-gcc.patch" UNIPATCH_DROP+=" 5010_enable-additional-cpu-optimizations-for-gcc-4.9.patch" UNIPATCH_DROP+=" 5011_enable-cpu-optimizations-for-gcc8.patch" else UNIPATCH_DROP+=" 5010_enable-additional-cpu-optimizations-for-gcc.patch" UNIPATCH_DROP+=" 5010_enable-additional-cpu-optimizations-for-gcc-4.9.patch" UNIPATCH_DROP+=" 5011_enable-cpu-optimizations-for-gcc8.patch" UNIPATCH_DROP+=" 5012_enable-cpu-optimizations-for-gcc91.patch" fi else UNIPATCH_DROP+=" 5010_enable-additional-cpu-optimizations-for-gcc.patch" UNIPATCH_DROP+=" 5010_enable-additional-cpu-optimizations-for-gcc-4.9.patch" UNIPATCH_DROP+=" 5011_enable-cpu-optimizations-for-gcc8.patch" UNIPATCH_DROP+=" 5012_enable-cpu-optimizations-for-gcc91.patch" fi fi done #populate KPATCH_DIRS so we know where to look to remove the excludes x=${KPATCH_DIR} KPATCH_DIR="" for i in $(find ${x} -type d | sort -n); do KPATCH_DIR="${KPATCH_DIR} ${i}" done # do not apply fbcondecor patch to sparc/sparc64 as it breaks boot # bug #272676 if [[ "$(tc-arch)" = "sparc" || "$(tc-arch)" = "sparc64" ]]; then if [[ ${KV_MAJOR} -ge 3 || ${KV_MAJOR}.${KV_MINOR}.${KV_PATCH} > 2.6.28 ]]; then if [[ ! -z ${K_WANT_GENPATCHES} ]] ; then UNIPATCH_DROP="${UNIPATCH_DROP} *_fbcondecor*.patch" echo ewarn "fbcondecor currently prevents sparc/sparc64 from booting" ewarn "for kernel versions >= 2.6.29. Removing fbcondecor patch." ewarn "See https://bugs.gentoo.org/show_bug.cgi?id=272676 for details" echo fi fi fi #so now lets get rid of the patchno's we want to exclude UNIPATCH_DROP="${UNIPATCH_EXCLUDE} ${UNIPATCH_DROP}" for i in ${UNIPATCH_DROP}; do ebegin "Excluding Patch #${i}" for x in ${KPATCH_DIR}; do rm -f ${x}/${i}* 2>/dev/null; done eend $? done # and now, finally, we patch it :) for x in ${KPATCH_DIR}; do for i in $(find ${x} -maxdepth 1 -iname "*.patch*" -or -iname "*.diff*" | sort -n); do STDERR_T="${T}/${i/*\//}" STDERR_T="${STDERR_T/.patch*/.err}" [ -z ${i/*.patch*/} ] && PATCH_DEPTH=${i/*.patch/} #[ -z ${i/*.diff*/} ] && PATCH_DEPTH=${i/*.diff/} if [ -z "${PATCH_DEPTH}" ]; then PATCH_DEPTH=0; fi #################################################################### # IMPORTANT: This is temporary code to support Linux git 3.15_rc1! # # # # The patch contains a removal of a symlink, followed by addition # # of a file with the same name as the symlink in the same # # location; this causes the dry-run to fail, filed bug #507656. # # # # https://bugs.gentoo.org/show_bug.cgi?id=507656 # #################################################################### if [[ -n ${K_FROM_GIT} ]] ; then if [[ ${KV_MAJOR} -gt 3 || ( ${KV_MAJOR} -eq 3 && ${KV_PATCH} -gt 15 ) && ${RELEASETYPE} == -rc ]] ; then ebegin "Applying ${i/*\//} (-p1)" if [ $(patch -p1 --no-backup-if-mismatch -f < ${i} >> ${STDERR_T}) "$?" -le 2 ]; then eend 0 rm ${STDERR_T} || die break else eend 1 eerror "Failed to apply patch ${i/*\//}" eerror "Please attach ${STDERR_T} to any bug you may post." eshopts_pop die "Failed to apply ${i/*\//} on patch depth 1." fi fi fi #################################################################### while [ ${PATCH_DEPTH} -lt 5 ]; do echo "Attempting Dry-run:" >> ${STDERR_T} echo "cmd: patch -p${PATCH_DEPTH} --no-backup-if-mismatch --dry-run -f < ${i}" >> ${STDERR_T} echo "=======================================================" >> ${STDERR_T} if [ $(patch -p${PATCH_DEPTH} --no-backup-if-mismatch --dry-run -f < ${i} >> ${STDERR_T}) $? -eq 0 ]; then ebegin "Applying ${i/*\//} (-p${PATCH_DEPTH})" echo "Attempting patch:" > ${STDERR_T} echo "cmd: patch -p${PATCH_DEPTH} --no-backup-if-mismatch -f < ${i}" >> ${STDERR_T} echo "=======================================================" >> ${STDERR_T} if [ $(patch -p${PATCH_DEPTH} --no-backup-if-mismatch -f < ${i} >> ${STDERR_T}) "$?" -eq 0 ]; then eend 0 rm ${STDERR_T} || die break else eend 1 eerror "Failed to apply patch ${i/*\//}" eerror "Please attach ${STDERR_T} to any bug you may post." eshopts_pop die "Failed to apply ${i/*\//} on patch depth ${PATCH_DEPTH}." fi else PATCH_DEPTH=$((${PATCH_DEPTH} + 1)) fi done if [ ${PATCH_DEPTH} -eq 5 ]; then eerror "Failed to dry-run patch ${i/*\//}" eerror "Please attach ${STDERR_T} to any bug you may post." eshopts_pop die "Unable to dry-run patch on any patch depth lower than 5." fi done done # When genpatches is used, we want to install 0000_README which documents # the patches that were used; such that the user can see them, bug #301478. if [[ ! -z ${K_WANT_GENPATCHES} ]] ; then UNIPATCH_DOCS="${UNIPATCH_DOCS} 0000_README" fi # When files listed in UNIPATCH_DOCS are found in KPATCH_DIR's, we copy it # to the temporary directory and remember them in UNIPATCH_DOCS to install # them during the install phase. local tmp for x in ${KPATCH_DIR}; do for i in ${UNIPATCH_DOCS}; do if [[ -f ${x}/${i} ]] ; then tmp="${tmp} ${i}" cp -f "${x}/${i}" "${T}"/ || die fi done done UNIPATCH_DOCS="${tmp}" # clean up KPATCH_DIR's - fixes bug #53610 for x in ${KPATCH_DIR}; do rm -Rf ${x}; done LC_ALL="${myLC_ALL}" LANG="${myLANG}" eshopts_pop } # @FUNCTION: getfilevar # @USAGE: # @DESCRIPTION: # pulled from linux-info getfilevar() { local workingdir basefname basedname xarch=$(tc-arch-kernel) if [[ -z ${1} ]] && [[ ! -f ${2} ]]; then echo -e "\n" eerror "getfilevar requires 2 variables, with the second a valid file." eerror " getfilevar " else workingdir=${PWD} basefname=$(basename ${2}) basedname=$(dirname ${2}) unset ARCH cd ${basedname} echo -e "include ${basefname}\ne:\n\t@echo \$(${1})" | \ make ${BUILD_FIXES} -s -f - e 2>/dev/null cd ${workingdir} ARCH=${xarch} fi } # @FUNCTION: detect_arch # @USAGE: # @DESCRIPTION: # This function sets ARCH_URI and ARCH_PATCH # with the neccessary info for the arch sepecific compatibility # patchsets. detect_arch() { local ALL_ARCH LOOP_ARCH LOOP_ARCH_L COMPAT_URI i TC_ARCH_KERNEL # COMPAT_URI is the contents of ${ARCH}_URI # ARCH_URI is the URI for all the ${ARCH}_URI patches # ARCH_PATCH is ARCH_URI broken into files for UNIPATCH ARCH_URI="" ARCH_PATCH="" TC_ARCH_KERNEL="" ALL_ARCH="ALPHA AMD64 ARM HPPA IA64 M68K MIPS PPC PPC64 S390 SH SPARC X86" for LOOP_ARCH in ${ALL_ARCH}; do COMPAT_URI="${LOOP_ARCH}_URI" COMPAT_URI="${!COMPAT_URI}" declare -l LOOP_ARCH_L=${LOOP_ARCH} [[ -n ${COMPAT_URI} ]] && \ ARCH_URI="${ARCH_URI} ${LOOP_ARCH_L}? ( ${COMPAT_URI} )" declare -u TC_ARCH_KERNEL=$(tc-arch-kernel) if [[ ${LOOP_ARCH} == ${TC_ARCH_KERNEL} ]]; then for i in ${COMPAT_URI}; do ARCH_PATCH="${ARCH_PATCH} ${DISTDIR}/${i/*\//}" done fi done } # @FUNCTION: headers___fix # @USAGE: # @DESCRIPTION: # Voodoo to partially fix broken upstream headers. # note: do not put inline/asm/volatile together (breaks "inline asm volatile") headers___fix() { sed -i \ -e '/^\#define.*_TYPES_H/{:loop n; bloop}' \ -e 's:\<\([us]\(8\|16\|32\|64\)\)\>:__\1:g' \ -e "s/\([[:space:]]\)inline\([[:space:](]\)/\1__inline__\2/g" \ -e "s/\([[:space:]]\)asm\([[:space:](]\)/\1__asm__\2/g" \ -e "s/\([[:space:]]\)volatile\([[:space:](]\)/\1__volatile__\2/g" \ "$@" } # @FUNCTION: kernel-2_src_unpack # @USAGE: # @DESCRIPTION: # unpack sources, handle genpatches, deblob kernel-2_src_unpack() { universal_unpack debug-print "Doing unipatch" # request UNIPATCH_LIST_GENPATCHES in phase since it calls 'use' handle_genpatches --set-unipatch-list [[ -n ${UNIPATCH_LIST} || -n ${UNIPATCH_LIST_DEFAULT} || -n ${UNIPATCH_LIST_GENPATCHES} ]] && \ unipatch "${UNIPATCH_LIST_DEFAULT} ${UNIPATCH_LIST_GENPATCHES} ${UNIPATCH_LIST}" debug-print "Doing premake" # allow ebuilds to massage the source tree after patching but before # we run misc `make` functions below [[ $(type -t kernel-2_hook_premake) == "function" ]] && kernel-2_hook_premake debug-print "Doing unpack_set_extraversion" [[ -z ${K_NOSETEXTRAVERSION} ]] && unpack_set_extraversion unpack_fix_install_path # Setup xmakeopts and cd into sourcetree. env_setup_xmakeopts cd "${S}" # We dont need a version.h for anything other than headers # at least, I should hope we dont. If this causes problems # take out the if/fi block and inform me please. # unpack_2_6 should now be 2.6.17 safe anyways if [[ ${ETYPE} == headers ]]; then kernel_is 2 4 && unpack_2_4 kernel_is 2 6 && unpack_2_6 fi if [[ $K_DEBLOB_AVAILABLE == 1 ]] && use deblob ; then cp "${DISTDIR}/${DEBLOB_A}" "${T}" || die "cp ${DEBLOB_A} failed" cp "${DISTDIR}/${DEBLOB_CHECK_A}" "${T}/deblob-check" || die "cp ${DEBLOB_CHECK_A} failed" chmod +x "${T}/${DEBLOB_A}" "${T}/deblob-check" || die "chmod deblob scripts failed" fi # fix a problem on ppc where TOUT writes to /usr/src/linux breaking sandbox # only do this for kernel < 2.6.27 since this file does not exist in later # kernels if [[ -n ${KV_MINOR} && ${KV_MAJOR}.${KV_MINOR}.${KV_PATCH} < 2.6.27 ]] ; then sed -i \ -e 's|TOUT := .tmp_gas_check|TOUT := $(T).tmp_gas_check|' \ "${S}"/arch/ppc/Makefile else sed -i \ -e 's|TOUT := .tmp_gas_check|TOUT := $(T).tmp_gas_check|' \ "${S}"/arch/powerpc/Makefile fi } # @FUNCTION: kernel-2_src_prepare # @USAGE: # @DESCRIPTION: # Apply any user patches kernel-2_src_prepare() { debug-print "Applying any user patches" # apply any user patches case ${EAPI:-0} in 0|1|2|3|4|5) epatch_user ;; 6) eapply_user ;; esac } # @FUNCTION: kernel-2_src_compile # @USAGE: # @DESCRIPTION: # conpile headers or run deblob script kernel-2_src_compile() { cd "${S}" [[ ${ETYPE} == headers ]] && compile_headers if [[ $K_DEBLOB_AVAILABLE == 1 ]] && use deblob ; then echo ">>> Running deblob script ..." python_setup sh "${T}/${DEBLOB_A}" --force || die "Deblob script failed to run!!!" fi } # @FUNCTION: kernel-2_src_test # @USAGE: # @DESCRIPTION: # if you leave it to the default src_test, it will run make to # find whether test/check targets are present; since "make test" # actually produces a few support files, they are installed even # though the package is binchecks-restricted. # # Avoid this altogether by making the function moot. kernel-2_src_test() { :; } # @FUNCTION: kernel-2_pkg_preinst # @DESCRIPTION: # if ETYPE = headers, call preinst_headers kernel-2_pkg_preinst() { [[ ${ETYPE} == headers ]] && preinst_headers } # @FUNCTION: kernel-2_src_install # @USAGE: # @DESCRIPTION: # Install headers or sources dependant on ETYPE kernel-2_src_install() { install_universal [[ ${ETYPE} == headers ]] && install_headers [[ ${ETYPE} == sources ]] && install_sources } # @FUNCTION: kernel-2_pkg_postinst # @USAGE: # @DESCRIPTION: # call postinst_sources for ETYPE = sources kernel-2_pkg_postinst() { [[ ${ETYPE} == sources ]] && postinst_sources } # @FUNCTION: kernel-2_pkg_setup # @USAGE: # @DESCRIPTION: # check for supported kernel version, die if ETYPE is unknown, call setup_headers # if necessary kernel-2_pkg_setup() { if kernel_is 2 4; then if [[ $(gcc-major-version) -ge 4 ]] ; then echo ewarn "Be warned !! >=sys-devel/gcc-4.0.0 isn't supported with linux-2.4!" ewarn "Either switch to another gcc-version (via gcc-config) or use a" ewarn "newer kernel that supports gcc-4." echo ewarn "Also be aware that bugreports about gcc-4 not working" ewarn "with linux-2.4 based ebuilds will be closed as INVALID!" echo fi fi ABI="${KERNEL_ABI}" if [[ ${ETYPE} != sources ]] && [[ ${ETYPE} != headers ]]; then eerror "Unknown ETYPE=\"${ETYPE}\", must be \"sources\" or \"headers\"" die "Unknown ETYPE=\"${ETYPE}\", must be \"sources\" or \"headers\"" fi [[ ${ETYPE} == headers ]] && setup_headers [[ ${ETYPE} == sources ]] && echo ">>> Preparing to unpack ..." } # @FUNCTION: kernel-2_pkg_postrm # @USAGE: # @DESCRIPTION: # Notify the user that after a depclean, there may be sources # left behind that need to be manually cleaned kernel-2_pkg_postrm() { # This warning only makes sense for kernel sources. [[ ${ETYPE} == headers ]] && return 0 # If there isn't anything left behind, then don't complain. [[ -e ${EROOT}usr/src/linux-${KV_FULL} ]] || return 0 echo ewarn "Note: Even though you have successfully unmerged " ewarn "your kernel package, directories in kernel source location: " ewarn "${EROOT}usr/src/linux-${KV_FULL}" ewarn "with modified files will remain behind. By design, package managers" ewarn "will not remove these modified files and the directories they reside in." echo ewarn "For more detailed kernel removal instructions, please see: " ewarn "https://wiki.gentoo.org/wiki/Kernel/Removal" echo }