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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 1.68 2006/10/16 14:10:46 genstef Exp $ |
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|
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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>, Stefan Schweizer <genstef@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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|
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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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|
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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 ${S} |
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# if the libdir isnt specified, it assumes misc. |
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# if the objdir isnt specified, it assumes srcdir |
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|
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# There is also support for automatyed modules.d file generation. |
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# This can be explicitly enabled by setting any of the following variables. |
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# |
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# |
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# MODULESD_${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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|
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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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|
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inherit eutils linux-info multilib |
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EXPORT_FUNCTIONS pkg_setup pkg_preinst pkg_postinst src_install src_compile pkg_postrm |
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|
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IUSE="kernel_linux" |
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SLOT="0" |
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DESCRIPTION="Based on the $ECLASS eclass" |
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RDEPEND="kernel_linux? ( virtual/modutils )" |
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DEPEND="${RDEPEND} |
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sys-apps/sed" |
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|
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# eclass utilities |
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# ---------------------------------- |
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|
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check_vermagic() { |
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debug-print-function ${FUNCNAME} $* |
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|
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local curr_gcc_ver=$(gcc -dumpversion) |
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local tmpfile old_chost old_gcc_ver result=0 |
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|
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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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|
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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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|
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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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|
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use_m() { |
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debug-print-function ${FUNCNAME} $* |
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|
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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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|
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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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|
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convert_to_m() { |
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debug-print-function ${FUNCNAME} $* |
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|
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if use_m |
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then |
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[ ! -f "${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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|
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update_depmod() { |
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debug-print-function ${FUNCNAME} $* |
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|
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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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|
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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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|
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update_modules() { |
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debug-print-function ${FUNCNAME} $* |
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|
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if [ -x /sbin/modules-update ] && \ |
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grep -v -e "^#" -e "^$" ${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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|
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move_old_moduledb() { |
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debug-print-function ${FUNCNAME} $* |
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|
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local OLDDIR=${ROOT}/usr/share/module-rebuild/ |
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local NEWDIR=${ROOT}/var/lib/module-rebuild/ |
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|
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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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|
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update_moduledb() { |
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debug-print-function ${FUNCNAME} $* |
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|
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local MODULEDB_DIR=${ROOT}/var/lib/module-rebuild/ |
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move_old_moduledb |
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|
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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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|
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remove_moduledb() { |
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debug-print-function ${FUNCNAME} $* |
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|
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local MODULEDB_DIR=${ROOT}/var/lib/module-rebuild/ |
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move_old_moduledb |
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|
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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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|
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set_kvobj() { |
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debug-print-function ${FUNCNAME} $* |
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|
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if kernel_is 2 6 |
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then |
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KV_OBJ="ko" |
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else |
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KV_OBJ="o" |
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fi |
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# Do we really need to know this? |
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# Lets silence it. |
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# einfo "Using KV_OBJ=${KV_OBJ}" |
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} |
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|
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get-KERNEL_CC() { |
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debug-print-function ${FUNCNAME} $* |
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|
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local kernel_cc |
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if [ -n "${KERNEL_ABI}" ]; then |
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# In future, an arch might want to define CC_$ABI |
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#kernel_cc="$(get_abi_CC)" |
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#[ -z "${kernel_cc}" ] && |
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kernel_cc="$(tc-getCC $(ABI=${KERNEL_ABI} get_abi_CHOST))" |
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else |
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kernel_cc=$(tc-getCC) |
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fi |
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echo "${kernel_cc}" |
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} |
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|
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generate_modulesd() { |
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debug-print-function ${FUNCNAME} $* |
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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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[[ -z ${!module_*} ]] && return 0 |
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|
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# OK so now if we have got this far, then we know we want to continue |
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# and generate the modules.d file. |
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module_modinfo="$(modinfo -p ${currm_path}.${KV_OBJ})" |
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module_config="${T}/modulesd-${currm}" |
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|
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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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#----------------------------------------------------------------------- |
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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 "# ------------------------------" >> ${module_config} |
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|
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for((t=0; t<${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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#----------------------------------------------------------------------- |
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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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|
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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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#----------------------------------------------------------------------- |
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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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echo '' >> ${module_config} |
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fi |
| 374 |
elif [[ ${module_examples} -gt 0 ]] |
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then |
| 376 |
echo "# For Example..." >> ${module_config} |
| 377 |
echo "# --------------" >> ${module_config} |
| 378 |
for((t=0; t<${module_examples}; t++)) |
| 379 |
do |
| 380 |
echo "options $(eval echo \${MODULESD_${currm}_EXAMPLES[$t]})" \ |
| 381 |
>> ${module_config} |
| 382 |
done |
| 383 |
echo '' >> ${module_config} |
| 384 |
fi |
| 385 |
|
| 386 |
#----------------------------------------------------------------------- |
| 387 |
if [[ ${module_additions} -gt 0 ]] |
| 388 |
then |
| 389 |
for((t=0; t<${module_additions}; t++)) |
| 390 |
do |
| 391 |
echo "$(eval echo \${MODULESD_${currm}_ADDITIONS[$t]})" \ |
| 392 |
>> ${module_config} |
| 393 |
done |
| 394 |
echo '' >> ${module_config} |
| 395 |
fi |
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|
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#----------------------------------------------------------------------- |
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|
| 399 |
# then we install it |
| 400 |
insinto /etc/modules.d |
| 401 |
newins ${module_config} ${currm_path//*\/} |
| 402 |
|
| 403 |
# and install any documentation we might have. |
| 404 |
[[ -n ${module_docs} ]] && dodoc ${module_docs} |
| 405 |
done |
| 406 |
eend 0 |
| 407 |
return 0 |
| 408 |
} |
| 409 |
|
| 410 |
find_module_params() { |
| 411 |
debug-print-function ${FUNCNAME} $* |
| 412 |
|
| 413 |
local matched_offset=0 matched_opts=0 test="${@}" temp_var result |
| 414 |
local i=0 y=0 z=0 |
| 415 |
|
| 416 |
for((i=0; i<=${#test}; i++)) |
| 417 |
do |
| 418 |
case ${test:${i}:1} in |
| 419 |
\() matched_offset[0]=${i};; |
| 420 |
\:) matched_opts=$((${matched_opts} + 1)); |
| 421 |
matched_offset[${matched_opts}]="${i}";; |
| 422 |
\)) matched_opts=$((${matched_opts} + 1)); |
| 423 |
matched_offset[${matched_opts}]="${i}";; |
| 424 |
esac |
| 425 |
done |
| 426 |
|
| 427 |
for((i=0; i<=${matched_opts}; i++)) |
| 428 |
do |
| 429 |
# i = offset were working on |
| 430 |
# y = last offset |
| 431 |
# z = current offset - last offset |
| 432 |
# temp_var = temporary name |
| 433 |
case ${i} in |
| 434 |
0) tempvar=${test:0:${matched_offset[0]}};; |
| 435 |
*) y=$((${matched_offset[$((${i} - 1))]} + 1)) |
| 436 |
z=$((${matched_offset[${i}]} - ${matched_offset[$((${i} - 1))]})); |
| 437 |
z=$((${z} - 1)) |
| 438 |
tempvar=${test:${y}:${z}};; |
| 439 |
esac |
| 440 |
|
| 441 |
case ${i} in |
| 442 |
0) result="${result} modulename:${tempvar}";; |
| 443 |
1) result="${result} libdir:${tempvar}";; |
| 444 |
2) result="${result} srcdir:${tempvar}";; |
| 445 |
3) result="${result} objdir:${tempvar}";; |
| 446 |
esac |
| 447 |
done |
| 448 |
|
| 449 |
echo ${result} |
| 450 |
} |
| 451 |
|
| 452 |
# default ebuild functions |
| 453 |
# -------------------------------- |
| 454 |
|
| 455 |
linux-mod_pkg_setup() { |
| 456 |
debug-print-function ${FUNCNAME} $* |
| 457 |
|
| 458 |
linux-info_pkg_setup; |
| 459 |
check_kernel_built; |
| 460 |
strip_modulenames; |
| 461 |
[[ -n ${MODULE_NAMES} ]] && check_modules_supported |
| 462 |
set_kvobj; |
| 463 |
# Commented out with permission from johnm until a fixed version for arches |
| 464 |
# who intentionally use different kernel and userland compilers can be |
| 465 |
# introduced - Jason Wever <weeve@gentoo.org>, 23 Oct 2005 |
| 466 |
#check_vermagic; |
| 467 |
} |
| 468 |
|
| 469 |
strip_modulenames() { |
| 470 |
debug-print-function ${FUNCNAME} $* |
| 471 |
|
| 472 |
local i |
| 473 |
for i in ${MODULE_IGNORE}; do |
| 474 |
MODULE_NAMES=${MODULE_NAMES//${i}(*} |
| 475 |
done |
| 476 |
} |
| 477 |
|
| 478 |
linux-mod_src_compile() { |
| 479 |
debug-print-function ${FUNCNAME} $* |
| 480 |
|
| 481 |
local modulename libdir srcdir objdir i n myARCH="${ARCH}" myABI="${ABI}" |
| 482 |
ARCH="$(tc-arch-kernel)" |
| 483 |
ABI="${KERNEL_ABI}" |
| 484 |
|
| 485 |
BUILD_TARGETS=${BUILD_TARGETS:-clean module} |
| 486 |
strip_modulenames; |
| 487 |
for i in ${MODULE_NAMES} |
| 488 |
do |
| 489 |
unset libdir srcdir objdir |
| 490 |
for n in $(find_module_params ${i}) |
| 491 |
do |
| 492 |
eval ${n/:*}=${n/*:/} |
| 493 |
done |
| 494 |
libdir=${libdir:-misc} |
| 495 |
srcdir=${srcdir:-${S}} |
| 496 |
objdir=${objdir:-${srcdir}} |
| 497 |
|
| 498 |
if [ ! -f "${srcdir}/.built" ]; |
| 499 |
then |
| 500 |
cd ${srcdir} |
| 501 |
einfo "Preparing ${modulename} module" |
| 502 |
if [[ -n ${ECONF_PARAMS} ]] |
| 503 |
then |
| 504 |
econf ${ECONF_PARAMS} || \ |
| 505 |
die "Unable to run econf ${ECONF_PARAMS}" |
| 506 |
fi |
| 507 |
|
| 508 |
emake HOSTCC="$(tc-getBUILD_CC)" CC="$(get-KERNEL_CC)" LDFLAGS="$(get_abi_LDFLAGS)" \ |
| 509 |
${BUILD_FIXES} ${BUILD_PARAMS} ${BUILD_TARGETS} \ |
| 510 |
|| die "Unable to make ${BUILD_FIXES} ${BUILD_PARAMS} ${BUILD_TARGETS}." |
| 511 |
touch ${srcdir}/.built |
| 512 |
cd ${OLDPWD} |
| 513 |
fi |
| 514 |
done |
| 515 |
|
| 516 |
ARCH="${myARCH}" |
| 517 |
ABI="${myABI}" |
| 518 |
} |
| 519 |
|
| 520 |
linux-mod_src_install() { |
| 521 |
debug-print-function ${FUNCNAME} $* |
| 522 |
|
| 523 |
local modulename libdir srcdir objdir i n |
| 524 |
|
| 525 |
strip_modulenames; |
| 526 |
for i in ${MODULE_NAMES} |
| 527 |
do |
| 528 |
unset libdir srcdir objdir |
| 529 |
for n in $(find_module_params ${i}) |
| 530 |
do |
| 531 |
eval ${n/:*}=${n/*:/} |
| 532 |
done |
| 533 |
libdir=${libdir:-misc} |
| 534 |
srcdir=${srcdir:-${S}} |
| 535 |
objdir=${objdir:-${srcdir}} |
| 536 |
|
| 537 |
einfo "Installing ${modulename} module" |
| 538 |
cd ${objdir} || die "${objdir} does not exist" |
| 539 |
insinto /lib/modules/${KV_FULL}/${libdir} |
| 540 |
doins ${modulename}.${KV_OBJ} || die "doins ${modulename}.${KV_OBJ} failed" |
| 541 |
cd ${OLDPWD} |
| 542 |
|
| 543 |
generate_modulesd ${objdir}/${modulename} |
| 544 |
done |
| 545 |
} |
| 546 |
|
| 547 |
linux-mod_pkg_preinst() { |
| 548 |
debug-print-function ${FUNCNAME} $* |
| 549 |
|
| 550 |
[ -d ${IMAGE}/lib/modules ] && UPDATE_DEPMOD=true || UPDATE_DEPMOD=false |
| 551 |
[ -d ${IMAGE}/etc/modules.d ] && UPDATE_MODULES=true || UPDATE_MODULES=false |
| 552 |
[ -d ${IMAGE}/lib/modules ] && UPDATE_MODULEDB=true || UPDATE_MODULEDB=false |
| 553 |
} |
| 554 |
|
| 555 |
linux-mod_pkg_postinst() { |
| 556 |
debug-print-function ${FUNCNAME} $* |
| 557 |
|
| 558 |
${UPDATE_DEPMOD} && update_depmod; |
| 559 |
${UPDATE_MODULES} && update_modules; |
| 560 |
${UPDATE_MODULEDB} && update_moduledb; |
| 561 |
} |
| 562 |
|
| 563 |
linux-mod_pkg_postrm() { |
| 564 |
debug-print-function ${FUNCNAME} $* |
| 565 |
remove_moduledb; |
| 566 |
} |
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