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# Copyright 1999-2004 Gentoo Foundation
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# Distributed under the terms of the GNU General Public License v2
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# $Header: /var/cvsroot/gentoo-x86/eclass/linux-mod.eclass,v 1.62 2006/03/26 17:47:19 blubb Exp $
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# Description: This eclass is used to interface with linux-info in such a way
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# to provide the functionality required and initial functions
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# required to install external modules against a kernel source
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# tree.
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#
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# Maintainer: John Mylchreest <johnm@gentoo.org>
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# Copyright 2004 Gentoo Linux
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#
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# Please direct your bugs to the current eclass maintainer :)
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# A Couple of env vars are available to effect usage of this eclass
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# These are as follows:
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#
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# Env Var Option Default Description
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# KERNEL_DIR <string> /usr/src/linux The directory containing kernel
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# the target kernel sources.
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# ECONF_PARAMS <string> The parameters to pass to econf.
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# If this is not set, then econf
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# isn't run.
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# BUILD_PARAMS <string> The parameters to pass to emake.
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# BUILD_TARGETS <string> clean modules The build targets to pass to
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# make.
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# MODULE_NAMES <string> This is the modules which are
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# to be built automatically using
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# the default pkg_compile/install.
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# They are explained properly
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# below. It will only make
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# BUILD_TARGETS once in any
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# directory.
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# MODULE_NAMES - Detailed Overview
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#
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# The structure of each MODULE_NAMES entry is as follows:
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# modulename(libdir:srcdir:objdir)
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# for example:
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# MODULE_NAMES="module_pci(pci:${S}/pci:${S}) module_usb(usb:${S}/usb:${S})"
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#
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# what this would do is
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# cd ${S}/pci
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# make ${BUILD_PARAMS} ${BUILD_TARGETS}
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# cd ${S}
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# insinto /lib/modules/${KV_FULL}/pci
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# doins module_pci.${KV_OBJ}
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#
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# cd ${S}/usb
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# make ${BUILD_PARAMS} ${BUILD_TARGETS}
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# cd ${S}
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# insinto /lib/modules/${KV_FULL}/usb
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# doins module_usb.${KV_OBJ}
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#
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# if the srcdir isnt specified, it assumes ${S}
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# if the libdir isnt specified, it assumes misc.
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# if the objdir isnt specified, it assumes srcdir
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# There is also support for automatyed modules.d file generation.
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# This can be explicitly enabled by setting any of the following variables.
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#
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#
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# MODULESD_${modulename}_ENABLED This enables the modules.d file
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# generation even if we dont
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# specify any additional info.
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# MODULESD_${modulename}_EXAMPLES This is a bash array containing
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# a list of examples which should
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# be used. If you want us to try and
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# take a guess. Set this to "guess"
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# MODULESD_${modulename}_ALIASES This is a bash array containing
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# a list of associated aliases.
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# MODULESD_${modulename}_ADDITIONS This is a bash array containing
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# A list of additional things to
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# add to the bottom of the file.
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# This can be absolutely anything.
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# Each entry is a new line.
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# MODULES_${modulename}_DOCS This is a string list which contains
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# the full path to any associated
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# documents for $modulename
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# The order of these is important as both of linux-info and eutils contain
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# set_arch_to_kernel and set_arch_to_portage functions and the ones in eutils
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# are deprecated in favor of the ones in linux-info.
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# See http://bugs.gentoo.org/show_bug.cgi?id=127506
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inherit eutils linux-info multilib
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EXPORT_FUNCTIONS pkg_setup pkg_postinst src_install src_compile pkg_postrm
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IUSE="" # don't put pcmcia here, rather in the ebuilds that actually support pcmcia
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SLOT="0"
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DESCRIPTION="Based on the $ECLASS eclass"
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RDEPEND="virtual/modutils
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pcmcia? ( virtual/pcmcia )"
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DEPEND="sys-apps/sed
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pcmcia? ( virtual/pcmcia )"
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# eclass utilities
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# ----------------------------------
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check_vermagic() {
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local curr_gcc_ver=$(gcc -dumpversion)
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local tmpfile old_chost old_gcc_ver result=0
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tmpfile=`find ${KV_DIR}/ -iname "*.o.cmd" -exec grep usr/lib/gcc {} \; -quit`
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tmpfile=${tmpfile//*usr/lib}
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tmpfile=${tmpfile//\/include*}
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old_chost=${tmpfile//*gcc\/}
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old_chost=${old_chost//\/*}
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old_gcc_ver=${tmpfile//*\/}
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if [[ -z ${old_gcc_ver} || -z ${old_chost} ]]; then
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ewarn ""
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ewarn "Unable to detect what version of GCC was used to compile"
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ewarn "the kernel. Build will continue, but you may experience problems."
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elif [[ ${curr_gcc_ver} != ${old_gcc_ver} ]]; then
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ewarn ""
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ewarn "The version of GCC you are using (${curr_gcc_ver}) does"
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ewarn "not match the version of GCC used to compile the"
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ewarn "kernel (${old_gcc_ver})."
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result=1
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elif [[ ${CHOST} != ${old_chost} ]]; then
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ewarn ""
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ewarn "The current CHOST (${CHOST}) does not match the chost"
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ewarn "used when compiling the kernel (${old_chost})."
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result=1
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fi
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if [[ ${result} -gt 0 ]]; then
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ewarn ""
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ewarn "Build will not continue, because you will experience problems."
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ewarn "To fix this either change the version of GCC you wish to use"
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ewarn "to match the kernel, or recompile the kernel first."
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die "GCC Version Mismatch."
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fi
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}
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unpack_pcmcia_sources() {
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# So while the two eclasses exist side-by-side and also the ebuilds inherit
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# both we need to check for PCMCIA_SOURCE_DIR, and if we find it, then we
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# bail out and assume pcmcia.eclass is working on it.
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[[ -n ${PCMCIA_SOURCE_DIR} ]] && return 1
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if [[ -f "${1}" ]]; then
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PCMCIA_SOURCE_DIR="${WORKDIR}/pcmcia-cs/"
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ebegin "Decompressing pcmcia-cs sources"
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mkdir -p ${PCMCIA_SOURCE_DIR}
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tar -xjf ${1} -C ${PCMCIA_SOURCE_DIR}
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eend $?
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if [[ -f ${PCMCIA_SOURCE_DIR}/pcmcia-cs-version ]]; then
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PCMCIA_VERSION=$(cat ${PCMCIA_SOURCE_DIR}/pcmcia-cs-version)
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einfo "Found pcmcia-cs-${PCMCIA_VERSION}"
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fi
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fi
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}
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# Dummy function for compatibility.
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pcmcia_configure() { return 0; }
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pcmcia_src_unpack() {
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local pcmcia_tbz="${ROOT}/usr/src/pcmcia-cs/pcmcia-cs-build-env.tbz2"
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# if the kernel has pcmcia support built in, then we just ignore all this.
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if linux_chkconfig_present PCMCIA; then
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einfo "Kernel based PCMCIA support has been detected."
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else
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if kernel_is 2 4; then
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unpack_pcmcia_sources ${pcmcia_tbz};
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else
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einfo "We have detected that you are running a 2.6 kernel"
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einfo "but you are not using the built-in PCMCIA support."
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einfo "We will assume you know what you are doing, but please"
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einfo "consider using the built in PCMCIA support instead."
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epause 10
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unpack_pcmcia_sources ${pcmcia_tbz};
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fi
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fi
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}
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use_m() {
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# if we haven't determined the version yet, we need too.
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get_version;
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# if the kernel version is greater than 2.6.6 then we should use
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# M= instead of SUBDIRS=
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[ ${KV_MAJOR} -eq 2 -a ${KV_MINOR} -gt 5 -a ${KV_PATCH} -gt 5 ] && \
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return 0 || return 1
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}
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convert_to_m() {
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if use_m
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then
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[ ! -f "${1}" ] && \
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die "convert_to_m() requires a filename as an argument"
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ebegin "Converting ${1/${WORKDIR}\//} to use M= instead of SUBDIRS="
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sed -i 's:SUBDIRS=:M=:g' ${1}
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eend $?
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fi
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}
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update_depmod() {
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# if we haven't determined the version yet, we need too.
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get_version;
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ebegin "Updating module dependencies for ${KV_FULL}"
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if [ -r ${KV_OUT_DIR}/System.map ]
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then
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depmod -ae -F ${KV_OUT_DIR}/System.map -b ${ROOT} -r ${KV_FULL}
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eend $?
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else
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ewarn
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ewarn "${KV_OUT_DIR}/System.map not found."
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ewarn "You must manually update the kernel module dependencies using depmod."
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eend 1
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ewarn
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fi
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}
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update_modules() {
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if [ -x /sbin/modules-update ] && \
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grep -v -e "^#" -e "^$" ${D}/etc/modules.d/* >/dev/null 2>&1; then
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ebegin "Updating modules.conf"
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/sbin/modules-update
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eend $?
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fi
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}
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move_old_moduledb() {
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local OLDDIR=${ROOT}/usr/share/module-rebuild/
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local NEWDIR=${ROOT}/var/lib/module-rebuild/
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if [[ -f ${OLDDIR}/moduledb ]]; then
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[[ ! -d ${NEWDIR} ]] && mkdir -p ${NEWDIR}
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[[ ! -f ${NEWDIR}/moduledb ]] && \
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mv ${OLDDIR}/moduledb ${NEWDIR}/moduledb
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rm -f ${OLDDIR}/*
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rmdir ${OLDDIR}
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fi
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}
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update_moduledb() {
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local MODULEDB_DIR=${ROOT}/var/lib/module-rebuild/
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move_old_moduledb
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if [[ ! -f ${MODULEDB_DIR}/moduledb ]]; then
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[[ ! -d ${MODULEDB_DIR} ]] && mkdir -p ${MODULEDB_DIR}
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touch ${MODULEDB_DIR}/moduledb
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fi
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if [[ -z $(grep ${CATEGORY}/${PN}-${PVR} ${MODULEDB_DIR}/moduledb) ]]; then
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einfo "Adding module to moduledb."
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echo "a:1:${CATEGORY}/${PN}-${PVR}" >> ${MODULEDB_DIR}/moduledb
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fi
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}
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remove_moduledb() {
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local MODULEDB_DIR=${ROOT}/var/lib/module-rebuild/
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move_old_moduledb
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if [[ -n $(grep ${CATEGORY}/${PN}-${PVR} ${MODULEDB_DIR}/moduledb) ]]; then
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einfo "Removing ${CATEGORY}/${PN}-${PVR} from moduledb."
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sed -ie "/.*${CATEGORY}\/${PN}-${PVR}.*/d" ${MODULEDB_DIR}/moduledb
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fi
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}
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set_kvobj() {
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if kernel_is 2 6
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then
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KV_OBJ="ko"
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else
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KV_OBJ="o"
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fi
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# Do we really need to know this?
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# Lets silence it.
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# einfo "Using KV_OBJ=${KV_OBJ}"
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}
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generate_modulesd() {
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# This function will generate the neccessary modules.d file from the
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# information contained in the modules exported parms
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local currm_path currm currm_t t myIFS myVAR
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local module_docs module_enabled module_aliases \
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module_additions module_examples module_modinfo module_opts
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for currm_path in ${@}
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do
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currm=${currm_path//*\/}
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currm=$(echo ${currm} | tr '[:lower:]' '[:upper:]')
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currm_t=${currm}
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while [[ -z ${currm_t//*-*} ]]; do
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currm_t=${currm_t/-/_}
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done
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module_docs="$(eval echo \${MODULESD_${currm_t}_DOCS})"
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module_enabled="$(eval echo \${MODULESD_${currm_t}_ENABLED})"
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module_aliases="$(eval echo \${#MODULESD_${currm_t}_ALIASES[*]})"
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module_additions="$(eval echo \${#MODULESD_${currm_t}_ADDITIONS[*]})"
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module_examples="$(eval echo \${#MODULESD_${currm_t}_EXAMPLES[*]})"
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[[ ${module_aliases} -eq 0 ]] && unset module_aliases
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[[ ${module_additions} -eq 0 ]] && unset module_additions
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[[ ${module_examples} -eq 0 ]] && unset module_examples
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# If we specify we dont want it, then lets exit, otherwise we assume
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# that if its set, we do want it.
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[[ ${module_enabled} == no ]] && return 0
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# unset any unwanted variables.
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for t in ${!module_*}
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do
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[[ -z ${!t} ]] && unset ${t}
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done
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[[ -z ${!module_*} ]] && return 0
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# OK so now if we have got this far, then we know we want to continue
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# and generate the modules.d file.
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module_modinfo="$(modinfo -p ${currm_path}.${KV_OBJ})"
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module_config="${T}/modulesd-${currm}"
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ebegin "Preparing file for modules.d"
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#-----------------------------------------------------------------------
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echo "# modules.d configuration file for ${currm}" >> ${module_config}
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#-----------------------------------------------------------------------
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[[ -n ${module_docs} ]] && \
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echo "# For more information please read:" >> ${module_config}
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for t in ${module_docs}
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do
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echo "# ${t//*\/}" >> ${module_config}
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done
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echo >> ${module_config}
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#-----------------------------------------------------------------------
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if [[ ${module_aliases} -gt 0 ]]
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then
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echo "# Internal Aliases - Do not edit" >> ${module_config}
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echo "# ------------------------------" >> ${module_config}
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for((t=0; t<${module_aliases}; t++))
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do
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echo "alias $(eval echo \${MODULESD_${currm}_ALIASES[$t]})" \
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>> ${module_config}
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done
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echo '' >> ${module_config}
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fi
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#-----------------------------------------------------------------------
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if [[ -n ${module_modinfo} ]]
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then
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echo >> ${module_config}
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echo "# Configurable module parameters" >> ${module_config}
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echo "# ------------------------------" >> ${module_config}
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myIFS="${IFS}"
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IFS="$(echo -en "\n\b")"
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for t in ${module_modinfo}
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do
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myVAR="$(echo ${t#*:} | grep -e " [0-9][ =]" | sed "s:.*\([01][= ]\).*:\1:")"
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if [[ -n ${myVAR} ]]
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then
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module_opts="${module_opts} ${t%%:*}:${myVAR}"
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fi
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echo -e "# ${t%%:*}:\t${t#*:}" >> ${module_config}
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done
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IFS="${myIFS}"
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echo '' >> ${module_config}
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fi
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#-----------------------------------------------------------------------
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if [[ $(eval echo \${MODULESD_${currm}_ALIASES[0]}) == guess ]]
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then
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# So lets do some guesswork eh?
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if [[ -n ${module_opts} ]]
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then
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echo "# For Example..." >> ${module_config}
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echo "# --------------" >> ${module_config}
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for t in ${module_opts}
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do
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echo "# options ${currm} ${t//:*}=${t//*:}" >> ${module_config}
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done
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| 383 |
echo '' >> ${module_config}
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fi
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elif [[ ${module_examples} -gt 0 ]]
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then
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echo "# For Example..." >> ${module_config}
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echo "# --------------" >> ${module_config}
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for((t=0; t<${module_examples}; t++))
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do
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echo "options $(eval echo \${MODULESD_${currm}_EXAMPLES[$t]})" \
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>> ${module_config}
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done
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echo '' >> ${module_config}
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fi
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#-----------------------------------------------------------------------
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if [[ ${module_additions} -gt 0 ]]
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then
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for((t=0; t<${module_additions}; t++))
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do
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echo "$(eval echo \${MODULESD_${currm}_ADDITIONS[$t]})" \
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>> ${module_config}
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done
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echo '' >> ${module_config}
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fi
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#-----------------------------------------------------------------------
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# then we install it
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insinto /etc/modules.d
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newins ${module_config} ${currm_path//*\/}
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# and install any documentation we might have.
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[[ -n ${module_docs} ]] && dodoc ${module_docs}
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done
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eend 0
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return 0
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}
|
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find_module_params() {
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| 422 |
local matched_offset=0 matched_opts=0 test="${@}" temp_var result
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| 423 |
local i=0 y=0 z=0
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| 424 |
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| 425 |
for((i=0; i<=${#test}; i++))
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| 426 |
do
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| 427 |
case ${test:${i}:1} in
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| 428 |
\() matched_offset[0]=${i};;
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| 429 |
\:) matched_opts=$((${matched_opts} + 1));
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| 430 |
matched_offset[${matched_opts}]="${i}";;
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| 431 |
\)) matched_opts=$((${matched_opts} + 1));
|
| 432 |
matched_offset[${matched_opts}]="${i}";;
|
| 433 |
esac
|
| 434 |
done
|
| 435 |
|
| 436 |
for((i=0; i<=${matched_opts}; i++))
|
| 437 |
do
|
| 438 |
# i = offset were working on
|
| 439 |
# y = last offset
|
| 440 |
# z = current offset - last offset
|
| 441 |
# temp_var = temporary name
|
| 442 |
case ${i} in
|
| 443 |
0) tempvar=${test:0:${matched_offset[0]}};;
|
| 444 |
*) y=$((${matched_offset[$((${i} - 1))]} + 1))
|
| 445 |
z=$((${matched_offset[${i}]} - ${matched_offset[$((${i} - 1))]}));
|
| 446 |
z=$((${z} - 1))
|
| 447 |
tempvar=${test:${y}:${z}};;
|
| 448 |
esac
|
| 449 |
|
| 450 |
case ${i} in
|
| 451 |
0) result="${result} modulename:${tempvar}";;
|
| 452 |
1) result="${result} libdir:${tempvar}";;
|
| 453 |
2) result="${result} srcdir:${tempvar}";;
|
| 454 |
3) result="${result} objdir:${tempvar}";;
|
| 455 |
esac
|
| 456 |
done
|
| 457 |
|
| 458 |
echo ${result}
|
| 459 |
}
|
| 460 |
|
| 461 |
# default ebuild functions
|
| 462 |
# --------------------------------
|
| 463 |
|
| 464 |
linux-mod_pkg_setup() {
|
| 465 |
linux-info_pkg_setup;
|
| 466 |
check_kernel_built;
|
| 467 |
strip_modulenames;
|
| 468 |
[[ -n ${MODULE_NAMES} ]] && check_modules_supported
|
| 469 |
set_kvobj;
|
| 470 |
# Commented out with permission from johnm until a fixed version for arches
|
| 471 |
# who intentionally use different kernel and userland compilers can be
|
| 472 |
# introduced - Jason Wever <weeve@gentoo.org>, 23 Oct 2005
|
| 473 |
#check_vermagic;
|
| 474 |
}
|
| 475 |
|
| 476 |
strip_modulenames() {
|
| 477 |
local i
|
| 478 |
for i in ${MODULE_IGNORE}; do
|
| 479 |
MODULE_NAMES=${MODULE_NAMES//${i}(*}
|
| 480 |
done
|
| 481 |
}
|
| 482 |
|
| 483 |
linux-mod_src_compile() {
|
| 484 |
local modulename libdir srcdir objdir i n myARCH="${ARCH}" myABI="${ABI}"
|
| 485 |
ARCH="$(tc-arch-kernel)"
|
| 486 |
ABI="${KERNEL_ABI}"
|
| 487 |
|
| 488 |
BUILD_TARGETS=${BUILD_TARGETS:-clean module}
|
| 489 |
strip_modulenames;
|
| 490 |
for i in ${MODULE_NAMES}
|
| 491 |
do
|
| 492 |
unset libdir srcdir objdir
|
| 493 |
for n in $(find_module_params ${i})
|
| 494 |
do
|
| 495 |
eval ${n/:*}=${n/*:/}
|
| 496 |
done
|
| 497 |
libdir=${libdir:-misc}
|
| 498 |
srcdir=${srcdir:-${S}}
|
| 499 |
objdir=${objdir:-${srcdir}}
|
| 500 |
|
| 501 |
if [ ! -f "${srcdir}/.built" ];
|
| 502 |
then
|
| 503 |
cd ${srcdir}
|
| 504 |
einfo "Preparing ${modulename} module"
|
| 505 |
if [[ -n ${ECONF_PARAMS} ]]
|
| 506 |
then
|
| 507 |
econf ${ECONF_PARAMS} || \
|
| 508 |
die "Unable to run econf ${ECONF_PARAMS}"
|
| 509 |
fi
|
| 510 |
|
| 511 |
emake ${BUILD_FIXES} ${BUILD_PARAMS} ${BUILD_TARGETS} \
|
| 512 |
|| die "Unable to make \
|
| 513 |
${BUILD_FIXES} ${BUILD_PARAMS} ${BUILD_TARGETS}."
|
| 514 |
touch ${srcdir}/.built
|
| 515 |
cd ${OLDPWD}
|
| 516 |
fi
|
| 517 |
done
|
| 518 |
|
| 519 |
ARCH="${myARCH}"
|
| 520 |
ABI="${myABI}"
|
| 521 |
}
|
| 522 |
|
| 523 |
linux-mod_src_install() {
|
| 524 |
local modulename libdir srcdir objdir i n
|
| 525 |
|
| 526 |
strip_modulenames;
|
| 527 |
for i in ${MODULE_NAMES}
|
| 528 |
do
|
| 529 |
unset libdir srcdir objdir
|
| 530 |
for n in $(find_module_params ${i})
|
| 531 |
do
|
| 532 |
eval ${n/:*}=${n/*:/}
|
| 533 |
done
|
| 534 |
libdir=${libdir:-misc}
|
| 535 |
srcdir=${srcdir:-${S}}
|
| 536 |
objdir=${objdir:-${srcdir}}
|
| 537 |
|
| 538 |
einfo "Installing ${modulename} module"
|
| 539 |
cd ${objdir} || die "${objdir} does not exist"
|
| 540 |
insinto /lib/modules/${KV_FULL}/${libdir}
|
| 541 |
doins ${modulename}.${KV_OBJ} || die "doins ${modulename}.${KV_OBJ} failed"
|
| 542 |
cd ${OLDPWD}
|
| 543 |
|
| 544 |
generate_modulesd ${objdir}/${modulename}
|
| 545 |
done
|
| 546 |
}
|
| 547 |
|
| 548 |
linux-mod_pkg_postinst() {
|
| 549 |
update_depmod;
|
| 550 |
update_modules;
|
| 551 |
update_moduledb;
|
| 552 |
}
|
| 553 |
|
| 554 |
linux-mod_pkg_postrm() {
|
| 555 |
remove_moduledb;
|
| 556 |
}
|
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