diff options
Diffstat (limited to 'eclass')
| -rw-r--r-- | eclass/kernel-2.eclass | 199 | ||||
| -rw-r--r-- | eclass/linux-info.eclass | 256 | ||||
| -rw-r--r-- | eclass/linux-mod.eclass | 154 |
3 files changed, 522 insertions, 87 deletions
diff --git a/eclass/kernel-2.eclass b/eclass/kernel-2.eclass index 3751d2bbec15..35c6ac365e11 100644 --- a/eclass/kernel-2.eclass +++ b/eclass/kernel-2.eclass @@ -1,34 +1,49 @@ # Copyright 1999-2004 Gentoo Foundation # Distributed under the terms of the GNU General Public License v2 -# $Header: /var/cvsroot/gentoo-x86/eclass/kernel-2.eclass,v 1.46 2004/10/19 19:51:12 vapier Exp $ +# $Header: /var/cvsroot/gentoo-x86/eclass/kernel-2.eclass,v 1.47 2004/11/24 16:36:38 johnm Exp $ -# Description: kernel.eclass rewrite for a clean base regarding the 2.6 -# series of kernel with back-compatibility for 2.4 +# kernel.eclass rewrite for a clean base regarding the 2.6 series of kernel +# with back-compatibility for 2.4 # -# Maintainer: John Mylchreest <johnm@gentoo.org> +# Author: John Mylchreest <johnm@gentoo.org> +# Copyright 2004 Gentoo Linux # # Please direct your bugs to the current eclass maintainer :) +# thatll be: johnm # added functionality: # unipatch - a flexible, singular method to extract, add and remove patches. -# A Couple of env vars are available to effect usage of this eclass +# A Couple of env vars are available to effect behaviour of this eclass # These are as follows: # -# K_NOSETEXTRAVERSION - if this is set then EXTRAVERSION will not be automatically set within the kernel Makefile -# K_NOUSENAME - if this is set then EXTRAVERSION will not include the first part of ${PN} in EXTRAVERSION -# K_PREPATCHED - 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 -# K_EXTRAEINFO - this is a new-line seperated list of einfo displays in postinst and can be used to carry additional postinst messages -# K_EXTRAEWARN - same as K_EXTRAEINFO except ewarn's instead of einfo's - -# H_SUPPORTEDARCH - this should be a space separated list of ARCH's which can be supported by the headers ebuild - -# UNIPATCH_LIST - space delimetered list of patches to be applied to the kernel -# UNIPATCH_EXCLUDE - an addition var to support exlusion based completely on "<passedstring>*" and not "<passedno#>_*" -# - this should _NOT_ be used from the ebuild as this is reserved for end users passing excludes from the cli -# UNIPATCH_DOCS - space delimemeted list of docs to be installed to the doc dir -# UNIPATCH_STRICTORDER - if this is set places patches into directories of order, so they are applied in the order passed +# K_NOFIXINSTALL_PATH - some patches (wolk for example) dont like INSTALL_PATH +# being fixed prior to patching. therefore having this +# option set disables the command to change this. +# K_NOSETEXTRAVERSION - if this is set then EXTRAVERSION will not be +# automatically set within the kernel Makefile +# K_NOUSENAME - if this is set then EXTRAVERSION will not include the +# first part of ${PN} in EXTRAVERSION +# K_PREPATCHED - if the patchset is prepatched (ie: mm-sources, +# ck-sources, ac-sources) it will use PR (ie: -r5) +# as the patchset version and not use it as a true +# package revision +# K_EXTRAEINFO - this is a new-line seperated list of einfo displays in +# postinst and can be used to carry additional postinst +# messages +# K_EXTRAEWARN - same as K_EXTRAEINFO except ewarn's instead of einfo's +# H_SUPPORTEDARCH - this should be a space separated list of ARCH's which +# can be supported by the headers ebuild +# UNIPATCH_LIST - space delimetered list of patches to be applied to the +# kernel +# UNIPATCH_EXCLUDE - an additional var to support exlusion based completely +# on "<passedstring>*" and not "<passedno#>_*" +# - this should _NOT_ be used from the ebuild as this is +# reserved for end users passing excludes from the cli +# UNIPATCH_DOCS - space delimemeted list of docs to be installed to the +# doc dir +# UNIPATCH_STRICTORDER - if this is set places patches into directories of +# order, so they are applied in the order passed ECLASS="kernel-2" INHERITED="$INHERITED $ECLASS" @@ -46,13 +61,13 @@ SLOT="${KV}" # Grab kernel version from KV KV_MAJOR=$(echo ${KV} | cut -d. -f1) KV_MINOR=$(echo ${KV} | cut -d. -f2) -KV_PATCH=$(echo ${KV} | cut -d. -f3) +KV_PATCH=$(echo ${KV} | cut -d. -f3-) KV_PATCH=${KV_PATCH/[-_]*/} # set LINUX_HOSTCFLAGS if not already set [ -z "$LINUX_HOSTCFLAGS" ] && LINUX_HOSTCFLAGS="-Wall -Wstrict-prototypes -Os -fomit-frame-pointer -I${S}/include" -#Eclass functions only from here onwards ... +#Eclass functions only from here onwards... #============================================================== kernel_is() { local RESULT @@ -82,13 +97,14 @@ kernel_is_2_4() { } kernel_is_2_6() { - [ ${KV_MAJOR} -eq 2 -a ${KV_MINOR} -eq 5 -o ${KV_MINOR} -eq 6 ] && return 0 || return 1 + [ ${KV_MAJOR} -eq 2 -a ${KV_MINOR} -eq 5 -o ${KV_MINOR} -eq 6 ] && \ + return 0 || return 1 } # Capture the sources type and set DEPENDs if [ "${ETYPE}" == "sources" ] then - #console-tools is needed to solve the loadkeys fiasco; binutils version needed to avoid Athlon/PIII/SSE assembler bugs. + # binutils version needed to avoid Athlon/PIII/SSE assembler bugs. DEPEND="!build? ( sys-apps/sed >=sys-devel/binutils-2.11.90.0.31 ) doc? ( !arm? ( !s390? ( app-text/docbook-sgml-utils ) ) )" @@ -99,7 +115,9 @@ then sys-apps/module-init-tools sys-devel/make )" - [ $(kernel_is_2_4) $? == 0 ] && PROVIDE="virtual/linux-sources" || PROVIDE="virtual/linux-sources virtual/alsa" + [ $(kernel_is_2_4) $? == 0 ] && \ + PROVIDE="virtual/linux-sources" || \ + PROVIDE="virtual/linux-sources virtual/alsa" elif [ "${ETYPE}" == "headers" ] then @@ -127,15 +145,14 @@ universal_unpack() { unpack linux-${OKV}.tar.bz2 if [ "${OKV}" != "${KV}" ] then - mv linux-${OKV} linux-${KV} || die "Unable to move source tree to ${KV}." + mv linux-${OKV} linux-${KV} || \ + die "Unable to move source tree to ${KV}." fi cd ${S} # change incorrect install path - mv Makefile Makefile.orig - sed -e 's:#export\tINSTALL_PATH:export\tINSTALL_PATH:' \ - Makefile.orig > Makefile - rm Makefile.orig + [ -z "${K_NOFIXINSTALL_PATH}" ] && \ + sed -i -e 's:#export\tINSTALL_PATH:export\tINSTALL_PATH:' Makefile # remove all backup files find . -iname "*~" -exec rm {} \; 2> /dev/null @@ -143,19 +160,14 @@ universal_unpack() { if [ -d "${S}/Documentation/DocBook" ] then cd ${S}/Documentation/DocBook - sed -e "s:db2:docbook2:g" Makefile > Makefile.new \ - && mv Makefile.new Makefile + sed -i -e "s:db2:docbook2:g" Makefile cd ${S} fi } unpack_set_extraversion() { - # Gentoo Linux uses /boot, so fix 'make install' to work properly and fix EXTRAVERSION cd ${S} - mv Makefile Makefile.orig - sed -e "s:^\(EXTRAVERSION =\).*:\1 ${EXTRAVERSION}:" \ - Makefile.orig > Makefile - rm Makefile.orig + sed -i -e "s:^\(EXTRAVERSION =\).*:\1 ${EXTRAVERSION}:" Makefile } # Compile Functions @@ -173,7 +185,7 @@ compile_headers() { compile_manpages() { local MY_ARCH - einfo "Making manpages ..." + einfo "Making manpages..." MY_ARCH=${ARCH} unset ARCH make mandocs @@ -215,16 +227,16 @@ install_sources() { cd ${S} dodir /usr/src - echo ">>> Copying sources ..." + echo ">>> Copying sources..." file="$(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 + echo "=========================================" >> ${S}/patches.txt cat ${file} >> ${S}/patches.txt - echo "===================================================" >> ${S}/patches.txt + echo "=========================================" >> ${S}/patches.txt echo "" >> ${S}/patches.txt done fi @@ -232,7 +244,9 @@ install_sources() { if [ ! -f ${S}/patches.txt ] then # patches.txt is empty so lets use our ChangeLog - [ -f ${FILESDIR}/../ChangeLog ] && echo "Please check the ebuild ChangeLog for more details." > ${S}/patches.txt + [ -f ${FILESDIR}/../ChangeLog ] && \ + echo "Please check the ebuild ChangeLog for more details." \ + > ${S}/patches.txt fi for doc in ${UNIPATCH_DOCS} @@ -304,8 +318,8 @@ postinst_sources() { echo fi - # Show policy version, if this kernel has SELinux ... - local secfile="${ROOT}usr/src/linux-${KV}/security/selinux/include/security.h" + # Show policy version, if this kernel has SELinux... + local secfile="${ROOT}usr/src/linux-${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}/security/selinux/include/security.h" if use selinux && [ -f "$secfile" ] then local polver=$(awk '/POLICYDB_VERSION /{print $3}' $secfile) @@ -340,7 +354,9 @@ postinst_headers() { # pkg_setup functions #============================================================== setup_headers() { - ARCH=$(uname -m | sed -e s/[i].86/i386/ -e s/x86/i386/ -e s/sun4u/sparc64/ -e s/arm.*/arm/ -e s/sa110/arm/ -e s/amd64/x86_64/) + ARCH=$(uname -m | sed -e s/[i].86/i386/ -e s/x86/i386/ \ + -e s/sun4u/sparc64/ -e s/arm.*/arm/ -e s/sa110/arm/ \ + -e s/amd64/x86_64/) [ "$ARCH" == "sparc" -a "$PROFILE_ARCH" == "sparc64" ] && ARCH="sparc64" [ -z "${H_SUPPORTEDARCH}" ] && H_SUPPORTEDARCH="${PN/-*/}" @@ -379,12 +395,10 @@ unipatch() { # We're gonna need it when doing patches with a predefined patchlevel shopt -s extglob - # This function will unpack all passed tarballs, add any passed patches, and remove any passed patchnumbers + # This function will unpack all passed tarballs, add any passed patches, + # and remove any passed patchnumbers # usage can be either via an env var or by params - # although due to the nature we pass this within this eclass - # it shall be by param only. - # -z "${UNIPATCH_LIST}" ] && UNIPATCH_LIST="${@}" - UNIPATCH_LIST="${@}" + [ -n "${@}" ] && UNIPATCH_LIST="${@} ${UNIPATCH_LIST}" #unpack any passed tarballs for i in ${UNIPATCH_LIST} @@ -406,7 +420,8 @@ unipatch() { then STRICT_COUNT=$((${STRICT_COUNT} + 1)) mkdir -p ${KPATCH_DIR}/${STRICT_COUNT}/ - ${PIPE_CMD} ${i/:*/} -C ${KPATCH_DIR}/${STRICT_COUNT}/ 1>/dev/null + ${PIPE_CMD} ${i/:*/} -C ${KPATCH_DIR}/${STRICT_COUNT}/ \ + 1>/dev/null else ${PIPE_CMD} ${i/:*/} -C ${KPATCH_DIR} 1>/dev/null fi @@ -414,7 +429,8 @@ unipatch() { if [ $? == 0 ] then einfo "${i/*\//} unpacked" - [ -n "$(echo ${i} | grep ':')" ] && echo ">>> Strict patch levels not currently supported for tarballed patchsets" + [ -n "$(echo ${i} | grep ':')" ] && \ + echo ">>> Strict patch levels not currently supported for tarballed patchsets" else eerror "Failed to unpack ${i/:*/}" die "unable to unpack patch tarball" @@ -444,8 +460,8 @@ unipatch() { echo eerror "FATAL: unable to locate:" eerror "${i}" - eerror "for read-only. The file either has incorrect permissions" - eerror "or does not exist." + eerror "for read-only. The file either has incorrect" + eerror "permissions or does not exist." die Unable to locate ${i} fi @@ -453,7 +469,8 @@ unipatch() { then STRICT_COUNT=$((${STRICT_COUNT} + 1)) mkdir -p ${KPATCH_DIR}/${STRICT_COUNT}/ - $(${PIPE_CMD} ${i} > ${KPATCH_DIR}/${STRICT_COUNT}/${x}.patch${PATCH_LEVEL}) + $(${PIPE_CMD} ${i} > \ + ${KPATCH_DIR}/${STRICT_COUNT}/${x}.patch${PATCH_LEVEL}) else $(${PIPE_CMD} ${i} > ${KPATCH_DIR}/${x}.patch${PATCH_LEVEL}) fi @@ -474,26 +491,26 @@ unipatch() { UNIPATCH_DROP="${UNIPATCH_EXCLUDE} ${UNIPATCH_DROP}" for i in ${UNIPATCH_DROP} do + einfo "Excluding Patch #${i}" for x in ${KPATCH_DIR} do rm -f ${x}/${i}* 2>/dev/null - if [ $? == 0 ] - then - einfo "Excluding Patch #${i}" - einfo "From: ${x/${WORKDIR}/}" - fi done 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) + for i in $(find ${x} -maxdepth 1 -iname "*.patch*" -or -iname "*.diff*" | sort -n) do + unset PATCH_DEPTH + STDERR_T="${T}/${i/*\//}" STDERR_T="${STDERR_T/.patch*/.err}" + STDERR_T="${STDERR_T/.diff*/.err}" - PATCH_DEPTH=${i/*.patch/} + [ -z ${i/*.patch*/} ] && PATCH_DEPTH=${i/*.patch/} + [ -z ${i/*.diff*/} ] && PATCH_DEPTH=${i/*.diff/} if [ -z "${PATCH_DEPTH}" ]; then PATCH_DEPTH=0 @@ -504,12 +521,12 @@ unipatch() { do echo "Attempting Dry-run:" >> ${STDERR_T} echo "cmd: patch -p${PATCH_DEPTH} --dry-run -f < ${i}" >> ${STDERR_T} - echo "=======================================================" >> ${STDERR_T} + echo "==========================================" >> ${STDERR_T} if [ $(patch -p${PATCH_DEPTH} --dry-run -f < ${i} >> ${STDERR_T}) $? -eq 0 ] then echo "Attempting patch:" > ${STDERR_T} echo "cmd: patch -p${PATCH_DEPTH} -f < ${i}" >> ${STDERR_T} - echo "=======================================================" >> ${STDERR_T} + echo "======================================" >> ${STDERR_T} if [ $(patch -p${PATCH_DEPTH} -f < ${i} >> ${STDERR_T}) "$?" -eq 0 ] then eend 0 @@ -518,7 +535,7 @@ unipatch() { else eend 1 eerror "Failed to apply patch ${i/*\//}" - eerror "Please attach ${STDERR_T} to any bug you may post." + eerror "Please attach ${STDERR_T} to any bug you post." die "Failed to apply ${i/*\//}" fi else @@ -528,7 +545,7 @@ unipatch() { if [ ${PATCH_DEPTH} -eq 5 ] then eend 1 - eerror "Please attach ${STDERR_T} to any bug you may post." + eerror "Please attach ${STDERR_T} to any bug you post." die "Unable to dry-run patch." fi done @@ -546,19 +563,22 @@ unipatch() { #============================================================== detect_version() { # this function will detect and set - # - OKV: Original Kernel Version (2.6.0/2.6.0-test11) - # - KV: Kernel Version (2.6.0-gentoo/2.6.0-test11-gentoo-r1) - # - EXTRAVERSION: The additional version appended to OKV (-gentoo/-gentoo-r1) + # OKV: Original Kernel Version (2.6.0/2.6.0-test11) + # KV: Kernel Version (2.6.0-gentoo/2.6.0-test11-gentoo-r1) + # EXTRAVERSION: The additional version appended to OKV (-gentoo/-gentoo-r1) - OKV=${PV/_beta/-test} - OKV=${OKV/_rc/-rc} - OKV=${OKV/_pre*/} - OKV=${OKV/-r*/} + if [ -z "${OKV}" ] + then + OKV=${PV/_beta/-test} + OKV=${OKV/_rc/-rc} + OKV=${OKV/_pre*/} + OKV=${OKV/-r*/} + fi KV_MAJOR=$(echo ${OKV} | cut -d. -f1) KV_MINOR=$(echo ${OKV} | cut -d. -f2) KV_PATCH=$(echo ${OKV} | cut -d. -f3) - KV_PATCH=${KV_PATCH/[-_]*/} + KV_PATCH=${KV_PATCH/[-_]*/} KERNEL_URI="mirror://kernel/linux/kernel/v${KV_MAJOR}.${KV_MINOR}/linux-${OKV}.tar.bz2" @@ -569,29 +589,31 @@ detect_version() { then RELEASE=${RELEASE/_pre/-pre} else - RELEASE=${RELEASE/_pre/-bk} + RELEASE=${RELEASE/_pre/-bk} fi RELEASETYPE=${RELEASE//[0-9]/} EXTRAVERSION="${RELEASE}" - + if [ -n "${K_PREPATCHED}" ] then EXTRAVERSION="${EXTRAVERSION}-${PN/-*/}${PR/r/}" else [ -z "${K_NOUSENAME}" ] && EXTRAVERSION="${EXTRAVERSION}-${PN/-*/}" + [ "${PN/-*/}" == "wolk" ] && EXTRAVERSION="-${PN/-*/}-${PV}" [ "${PR}" != "r0" ] && EXTRAVERSION="${EXTRAVERSION}-${PR}" fi - + KV=${OKV}${EXTRAVERSION} - - # -rcXX-bkXX pulls are *IMPOSSIBLE* to support within the portage naming convention - # these cannot be supported, but the code here can handle it up until this point - # and theoretically thereafter. + + # -rcXX-bkXX pulls are *IMPOSSIBLE* to support within the + # portage naming convention these cannot be supported, but the code here can + # handle it up until this point and theoretically thereafter. if [ "${RELEASETYPE}" == "-rc" -o "${RELEASETYPE}" == "-pre" ] then - OKV="${KV_MAJOR}.${KV_MINOR}.$([ $((${KV_PATCH} - 1)) -lt 0 ] && echo ${KV_PATCH} || echo $((${KV_PATCH} - 1)))" + OKV="${KV_MAJOR}.${KV_MINOR}.$([ $((${KV_PATCH} - 1)) -lt 0 ] && \ + echo ${KV_PATCH} || echo $((${KV_PATCH} - 1)))" KERNEL_URI="mirror://kernel/linux/kernel/v${KV_MAJOR}.${KV_MINOR}/testing/patch-${PV//_/-}.bz2 mirror://kernel/linux/kernel/v${KV_MAJOR}.${KV_MINOR}/linux-${OKV}.tar.bz2" UNIPATCH_LIST_DEFAULT="${DISTDIR}/patch-${PV//_/-}.bz2" @@ -617,7 +639,7 @@ detect_version() { UNIPATCH_LIST_DEFAULT="${DISTDIR}/patch-${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}${RELEASE}.bz2" KV=${PV/[-_]*/}${EXTRAVERSION} fi - + S=${WORKDIR}/linux-${KV} } @@ -644,9 +666,10 @@ detect_arch() { COMPAT_URI="${LOOP_ARCH}_URI" COMPAT_URI="${!COMPAT_URI}" - [ -n "${COMPAT_URI}" ] && ARCH_URI="${ARCH_URI} $(echo ${LOOP_ARCH} | tr '[:upper:]' '[:lower:]')? ( ${COMPAT_URI} )" + [ -n "${COMPAT_URI}" ] && \ + ARCH_URI="${ARCH_URI} $(echo ${LOOP_ARCH} | tr [A-Z] [a-z])? ( ${COMPAT_URI} )" - if [ "${LOOP_ARCH}" == "$(echo ${ARCH} | tr '[:lower:]' '[:upper:]')" ] + if [ "${LOOP_ARCH}" == "$(echo ${ARCH} | tr [a-z] [A-Z])" ] then for i in ${COMPAT_URI} do @@ -661,14 +684,16 @@ detect_arch() { #============================================================== kernel-2_src_unpack() { universal_unpack - [ -n "${UNIPATCH_LIST}" -o -n "${UNIPATCH_LIST_DEFAULT}" ] && unipatch "${UNIPATCH_LIST_DEFAULT} ${UNIPATCH_LIST}" + [ -n "${UNIPATCH_LIST}" -o -n "${UNIPATCH_LIST_DEFAULT}" ] && \ + unipatch "${UNIPATCH_LIST_DEFAULT}" [ -z "${K_NOSETEXTRAVERSION}" ] && unpack_set_extraversion [ $(kernel_is_2_4) $? == 0 ] && unpack_2_4 } kernel-2_src_compile() { [ "${ETYPE}" == "headers" ] && compile_headers - [ "${ETYPE}" == "sources" ] && use doc && ! use arm && ! use s390 && compile_manpages + [ "${ETYPE}" == "sources" ] && \ + use doc && ! use arm && ! use s390 && compile_manpages } kernel-2_pkg_preinst() { @@ -690,5 +715,5 @@ kernel-2_pkg_setup() { [ "${ETYPE}" == "headers" ] && setup_headers # This is to fix some weird portage bug? in stable versions of portage. - [ "${ETYPE}" == "sources" ] && echo ">>> Preparing to unpack ..." + [ "${ETYPE}" == "sources" ] && echo ">>> Preparing to unpack..." } diff --git a/eclass/linux-info.eclass b/eclass/linux-info.eclass new file mode 100644 index 000000000000..5d2beacaf5c1 --- /dev/null +++ b/eclass/linux-info.eclass @@ -0,0 +1,256 @@ +# Copyright 1999-2004 Gentoo Foundation +# Distributed under the terms of the GNU General Public License v2 +# $Header: /var/cvsroot/gentoo-x86/eclass/linux-info.eclass,v 1.1 2004/11/24 16:36:38 johnm Exp $ +# +# This eclass provides functions for querying the installed kernel +# source version, selected kernel options etc. +# + +ECLASS=linux-info +INHERITED="$INHERITED $ECLASS" + +# Overwritable environment Var's +# --------------------------------------- +KERNEL_DIR="${KERNEL_DIR:-/usr/src/linux}" + + + +# File Functions +# --------------------------------------- + +# getfilevar accepts 2 vars as follows: +# getfilevar <VARIABLE> <CONFIGFILE> + +getfilevar() { +local ERROR + ERROR=0 + + [ -z "${1}" ] && ERROR=1 + [ -z "${2}" ] && ERROR=1 + [ ! -f "${2}" ] && ERROR=1 + + if [ "${ERROR}" = 1 ] + then + eerror "getfilevar requires 2 variables, with the second a valid file." + eerror " getfilevar <VARIABLE> <CONFIGFILE>" + else + grep -e "^$1" $2 | sed 's: = :=:' | cut -d= -f2- + fi +} + +getfilevar_isset() { +local RESULT + RESULT="$(getfilevar ${1} ${2})" + [ "${RESULT}" = "m" -o "${RESULT}" = "y" ] && return 0 || return 1 +} + +getfilevar_ismodule() { +local RESULT + RESULT="$(getfilevar ${1} ${2})" + [ "${RESULT}" = "m" ] && return 0 || return 1 +} + +getfilevar_isbuiltin() { +local RESULT + RESULT="$(getfilevar ${1} ${2})" + [ "${RESULT}" = "y" ] && return 0 || return 1 +} + +# Versioning Functions +# --------------------------------------- + +# kernel_is returns true when the version is the same as the passed version +# +# For Example where KV = 2.6.9 +# kernel_is 2 4 returns false +# kernel_is 2 returns true +# kernel_is 2 6 returns true +# kernel_is 2 6 8 returns false +# kernel_is 2 6 9 returns true +# +# got the jist yet? + +kernel_is() { + # if we haven't determined the version yet, we need too. + get_version; + + local RESULT + RESULT=1 + + if [ -n "${1}" ] + then + [ "${1}" = "${KV_MAJOR}" ] && RESULT=0 + fi + + if [ -n "${2}" ] + then + RESULT=1 + [ "${2}" = "${KV_MINOR}" ] && RESULT=0 + fi + + if [ -n "${3}" ] + then + RESULT=1 + [ "${3}" = "${KV_PATCH}" ] && RESULT=0 + fi + return ${RESULT} +} + +get_version() { + # no need to execute this twice assuming KV_FULL is populated. + # we can force by unsetting KV_FULL + if [ -n "${KV_FULL}" ] + then + # Lets keep this quiet eh? + # einfo "\${KV_FULL} is already set. Not running get_version again" + return + fi + + # if we dont know KV_FULL, then we need too. + # make sure KV_DIR isnt set since we need to work it out via KERNEL_DIR + unset KV_DIR + + # KV_DIR will contain the full path to the sources directory we should use + einfo "Determining the location of the kernel source code" + [ -h "${KERNEL_DIR}" ] && KV_DIR="$(readlink -f ${KERNEL_DIR})" + [ -d "${KERNEL_DIR}" ] && KV_DIR="${KERNEL_DIR}" + + if [ -z "${KV_DIR}" ] + then + eerror "Unable to find kernel sources at ${KERNEL_DIR}" + die + fi + + # And contrary to existing functions I feel we shouldn't trust the + # directory name to find version information as this seems insane. + # so we parse ${KV_DIR}/Makefile + KV_MAJOR="$(getfilevar VERSION ${KV_DIR}/Makefile)" + KV_MINOR="$(getfilevar PATCHLEVEL ${KV_DIR}/Makefile)" + KV_PATCH="$(getfilevar SUBLEVEL ${KV_DIR}/Makefile)" + KV_EXTRA="$(getfilevar EXTRAVERSION ${KV_DIR}/Makefile)" + # and in newer versions we can also pull LOCALVERSION if it is set. + KV_LOCAL="$(cat ${KV_DIR}/localversion* 2>/dev/null)$(getfilevar CONFIG_LOCALVERSION ${KV_DIR}/.config | sed 's:"::g')" + + # And we should set KV_FULL to the full expanded version + KV_FULL="${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}${KV_EXTRA}${KV_LOCAL}" + + if [ -z "${KV_FULL}" ] + then + eerror "We are unable to find a usable kernel source tree in ${KV_DIR}" + eerror "Please check a kernel source exists in this directory." + die + else + einfo "Found kernel source directory:" + einfo " ${KV_DIR}" + einfo "with sources for kernel version:" + einfo " ${KV_FULL}" + fi +} + + + + +# ebuild check functions +# --------------------------------------- + +check_kernel_built() { + # if we haven't determined the version yet, we need too. + get_version; + + if [ ! -f "${KV_DIR}/System.map" ] + then + eerror "These sources have not yet been compiled." + eerror "We cannot build against an uncompiled tree." + eerror "To resolve this, please type the following:" + eerror + eerror "# cd ${KV_DIR}" + eerror "# make oldconfig" + eerror "# make bzImage modules modules_install" + eerror + eerror "Then please try merging this module again." + die "Kernel sources need compiling first" + fi +} + +check_modules_supported() { + # if we haven't determined the version yet, we need too. + get_version; + + getfilevar_isset CONFIG_MODULES ${KV_DIR}/.config + if [ "$?" != 0 ] + then + eerror "These sources do not support loading external modules." + eerror "to be able to use this module please enable \"Loadable modules support\"" + eerror "in your kernel, recompile and then try merging this module again." + fi +} + +check_zlibinflate() { + # if we haven't determined the version yet, we need too. + get_version; + + # although I restructured this code - I really really really dont support it! + + # bug #27882 - zlib routines are only linked into the kernel + # if something compiled into the kernel calls them + # + # plus, for the cloop module, it appears that there's no way + # to get cloop.o to include a static zlib if CONFIG_MODVERSIONS + # is on + +local INFLATE +local DEFLATE + + einfo "Determining the usability of ZLIB_INFLATE support in your kernel" + + ebegin "checking ZLIB_INFLATE" + getfilevar_isbuiltin CONFIG_ZLIB_INFLATE ${KV_DIR}/.config + eend $? + [ "$?" != 0 ] && die + + ebegin "checking ZLIB_DEFLATE" + getfilevar_isbuiltin CONFIG_ZLIB_DEFLATE ${KV_DIR}/.config + eend $? + [ "$?" != 0 ] && die + + + local LINENO_START + local LINENO_END + local SYMBOLS + local x + + LINENO_END="$(grep -n 'CONFIG_ZLIB_INFLATE y' ${KV_DIR}/lib/Config.in | cut -d : -f 1)" + LINENO_START="$(head -n $LINENO_END ${KV_DIR}/lib/Config.in | grep -n 'if \[' | tail -n 1 | cut -d : -f 1)" + (( LINENO_AMOUNT = $LINENO_END - $LINENO_START )) + (( LINENO_END = $LINENO_END - 1 )) + SYMBOLS="$(head -n $LINENO_END ${KERNEL_DIR}/lib/Config.in | tail -n $LINENO_AMOUNT | sed -e 's/^.*\(CONFIG_[^\" ]*\).*/\1/g;')" + + # okay, now we have a list of symbols + # we need to check each one in turn, to see whether it is set or not + for x in $SYMBOLS ; do + if [ "${!x}" = "y" ]; then + # we have a winner! + einfo "${x} ensures zlib is linked into your kernel - excellent" + return 0 + fi + done + + eerror + eerror "This kernel module requires ZLIB library support." + eerror "You have enabled zlib support in your kernel, but haven't enabled" + eerror "enabled any option that will ensure that zlib is linked into your" + eerror "kernel." + eerror + eerror "Please ensure that you enable at least one of these options:" + eerror + + for x in $SYMBOLS ; do + eerror " * $x" + done + + eerror + eerror "Please remember to recompile and install your kernel, and reboot" + eerror "into your new kernel before attempting to load this kernel module." + + die "Kernel doesn't include zlib support" +} diff --git a/eclass/linux-mod.eclass b/eclass/linux-mod.eclass new file mode 100644 index 000000000000..86219a36d9c8 --- /dev/null +++ b/eclass/linux-mod.eclass @@ -0,0 +1,154 @@ +# Copyright 1999-2004 Gentoo Foundation +# Distributed under the terms of the GNU General Public License v2 +# $Header: /var/cvsroot/gentoo-x86/eclass/linux-mod.eclass,v 1.1 2004/11/24 16:36:38 johnm Exp $ + +# This eclass provides functions for compiling external kernel modules +# from source. + +inherit linux-info +ECLASS=linux-mod +INHERITED="$INHERITED $ECLASS" +EXPORT_FUNCTIONS pkg_setup pkg_postinst src_compile + +DESCRIPTION="Based on the $ECLASS eclass" +SLOT=0 +DEPEND="virtual/linux-sources + sys-apps/sed" + + + + +# This eclass is designed to help ease the installation of external kernel +# modules into the kernel tree. + + +# eclass utilities +# ---------------------------------- + +use_m() { + # if we haven't determined the version yet, we need too. + get_version; + + # if the kernel version is greater than 2.6.6 then we should use + # M= instead of SUBDIR= + [ ${KV_MAJOR} -eq 2 -a ${KV_MINOR} -gt 5 -a ${KV_PATCH} -gt 5 ] && \ + return 0 || return 1 +} + +convert_to_m() { + [ ! -f "${1}" ] && die "convert_to_m() requires a filename as an argument" + if use_m + then + ebegin "Converting ${1/${WORKDIR}\//} to use M= instead of SUBDIR=" + sed -i 's:SUBDIRS=:M=:g' ${1} + eend $? + fi +} + +update_depmod() { + # if we haven't determined the version yet, we need too. + get_version; + + ebegin "Updating module dependencies for ${KV_FULL}" + if [ -r ${KV_DIR}/System.map ] + then + depmod -ae -F ${KV_DIR}/System.map -b ${ROOT} -r ${KV_FULL} + else + ewarn + ewarn "${KV_DIR}/System.map not found." + ewarn "You must manually update the kernel module dependencies using depmod." + ewarn + fi + eend $? +} + +set_kvobj() { + if kernel_is 2 6 + then + KV_OBJ="ko" + else + KV_OBJ="o" + fi + einfo "Using KV_OBJ=${KV_OBJ}" +} + +display_postinst() { + # if we haven't determined the version yet, we need too. + get_version; + + local modulename moduledir sourcedir module_temp file i + + file=${ROOT}/etc/modules.autoload.d/kernel-${KV_MAJOR}.${KV_MINOR} + file=${file/\/\///} + + einfo "If you would like to load this module automatically upon boot" + einfo "please type the following as root:" + for i in ${MODULE_NAMES} + do + module_temp="$(echo ${i} | sed -e "s:.*(\(.*\)):\1:")" + modulename="${i/(*/}" + moduledir="${module_temp/:*/}" + moduledir="${moduledir:-misc}" + sourcedir="${module_temp/*:/}" + sourcedir="${sourcedir:-${S}}" + + einfo " # echo \"${modulename}\" >> ${file}" + done + echo +} + +# default ebuild functions +# -------------------------------- + +linux-mod_pkg_setup() { + get_version; + check_kernel_built + check_modules_supported; + set_kvobj; +} + +linux-mod_src_compile() { + local modulename moduledir sourcedir module_temp xarch i + xarch="${ARCH}" + unset ARCH + + for i in ${MODULE_NAMES} + do + module_temp="$(echo ${i} | sed -e "s:.*(\(.*\)):\1:")" + modulename="${i/(*/}" + moduledir="${module_temp/:*/}" + moduledir="${moduledir:-misc}" + sourcedir="${module_temp/*:/}" + sourcedir="${sourcedir:-${S}}" + + einfo "Preparing ${modulename} module" + cd ${sourcedir} + make clean + make ${BUILD_PARAMS} module + done + ARCH="${xarch}" +} + +linux-mod_src_install() { + local modulename moduledir sourcedir module_temp i + + for i in "${MODULE_NAMES}" + do + module_temp="$(echo ${i} | sed -e "s:.*(\(.*\)):\1:")" + modulename="${i/(*/}" + moduledir="${module_temp/:*/}" + moduledir="${moduledir:-misc}" + sourcedir="${module_temp/*:/}" + sourcedir="${sourcedir:-${S}}" + + einfo "Installing ${modulename} module" + cd ${sourcedir} + insinto /lib/modules/${KV_FULL}/${moduledir} + doins ${modulename}.${KV_OBJ} + done +} + +linux-mod_pkg_postinst() { + update_depmod; + display_postinst; +} |