| 1 | #!/bin/sh
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| 2 | #
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| 3 | # Oracle VM VirtualBox
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| 4 | # VirtualBox linux installation script
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| 5 |
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| 6 | #
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| 7 | # Copyright (C) 2007-2023 Oracle and/or its affiliates.
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| 8 | #
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| 9 | # This file is part of VirtualBox base platform packages, as
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| 10 | # available from https://www.virtualbox.org.
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| 11 | #
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| 12 | # This program is free software; you can redistribute it and/or
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| 13 | # modify it under the terms of the GNU General Public License
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| 14 | # as published by the Free Software Foundation, in version 3 of the
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| 15 | # License.
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| 16 | #
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| 17 | # This program is distributed in the hope that it will be useful, but
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| 18 | # WITHOUT ANY WARRANTY; without even the implied warranty of
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| 19 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 20 | # General Public License for more details.
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| 21 | #
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| 22 | # You should have received a copy of the GNU General Public License
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| 23 | # along with this program; if not, see <https://www.gnu.org/licenses>.
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| 24 | #
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| 25 | # SPDX-License-Identifier: GPL-3.0-only
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| 26 | #
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| 27 |
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| 28 | set -e
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| 29 |
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| 30 | # Usage:
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| 31 | USAGE_MESSAGE=\
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| 32 | 'Usage: `basename ${0}` [-h|--help|
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| 33 | --test [<uname -r output> rpm|dpkg [<base expected> <versioned expected>]]]
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| 34 | This script tests whether a Linux system is set up to build kernel modules,
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| 35 | and if not prints a guess as to which distribution packages need to be
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| 36 | installed to do so, and what commands to use. It uses the output of the
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| 37 | "uname -r" command to guess the packages and searches for packaging tools
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| 38 | by checking for packaging databases.
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| 39 |
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| 40 | For testing you can specify the output of "uname -r" which will be used
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| 41 | instead of the real one and the package type, and optionally the expected
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| 42 | output. --test without parameters will test a number of known inputs.'
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| 43 |
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| 44 | # General theory of operation (valid Nov 19 2016): we check whether this is an
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| 45 | # rpm or dpkg system by checking for the respective non-empty database directory
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| 46 | # (we assert that only one is present), and based on that we map uname -r output
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| 47 | # to a kernel package name. Here is a textual description of known mappings
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| 48 | # (not all of these are currently implemented) for both the general package name
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| 49 | # and the version-specific package name. Keeping this here as it took some time
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| 50 | # and pain to research.
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| 51 | #
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| 52 | # Debian/Ubuntu (dpkg): <version>-<flavour> -> linux-headers-<flavour>,
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| 53 | # linux-headers-<version>-<flavour>
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| 54 | DEBIAN_FLAVOURS="generic lowlatency virtual 486 686-pae amd64 rt-686-pae \
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| 55 | rt-amd64 i386 586 grsec-686-pae grsec-amd64 686"
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| 56 | # SUSE (rpm): <version>-<flavour> -> kernel-<flavour>-devel,
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| 57 | # kernel-<flavour>-devel-<version>
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| 58 | SUSE_FLAVOURS="debug default ec2 pae trace vanilla vmi xen"
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| 59 | # OL/RHEL/CentOS (rpm): <version><flavour>[.i686|.x86_64] -> kernel-<flavour>-devel,
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| 60 | # kernel-<flavour>-devel-<`uname -r`>, where <version> ends in el*.
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| 61 | EL_FLAVOURS="uek xen"
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| 62 | # Fedora (rpm): <version> -> kernel-devel, kernel-devel-<version>, where <version>
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| 63 | # ends in fc*.
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| 64 | #
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| 65 | # OUTPUT NOT YET TESTED ON REAL SYSTEMS
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| 66 | #
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| 67 | # Mageia (rpm): <version>-*.mga* -> kernel-linus-latest,
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| 68 | # kernel-linus-<`uname -r`>
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| 69 | # <version>-<flavour>-*.mga* -> kernel-<flavour>-latest,
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| 70 | # kernel-<flavour>-<`uname -r`>
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| 71 | MAGEIA_FLAVOURS="desktop desktop586 server tmb-desktop"
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| 72 | # PCLinuxOS (dpkg): <version>-pclos* -> kernel-devel, kernel-devel-<`uname -r`>
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| 73 |
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| 74 | PATH=$PATH:/bin:/sbin:/usr/sbin
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| 75 |
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| 76 | HAVE_TOOLS=
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| 77 | HAVE_HEADERS=
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| 78 | PACKAGE_TYPE=
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| 79 | UNAME=
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| 80 | BASE_PACKAGE=
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| 81 | VERSIONED_PACKAGE=
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| 82 | TOOLS="gcc make perl"
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| 83 | TEST=
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| 84 | UNIT_TEST=
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| 85 |
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| 86 | case "${1}" in
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| 87 | "")
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| 88 | # Return immediately successfully if everything is installed
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| 89 | type ${TOOLS} >/dev/null 2>&1 && HAVE_TOOLS=yes
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| 90 | test -d "/lib/modules/`uname -r`/build/include" && HAVE_HEADERS=yes
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| 91 | test -n "${HAVE_TOOLS}" && test -n "${HAVE_HEADERS}" && exit 0
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| 92 | UNAME=`uname -r`
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| 93 | for i in rpm dpkg; do
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| 94 | for j in /var/lib/${i}/*; do
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| 95 | test -e "${j}" || break
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| 96 | if test -z "${PACKAGE_TYPE}"; then
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| 97 | PACKAGE_TYPE="${i}"
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| 98 | else
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| 99 | PACKAGE_TYPE=unknown
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| 100 | fi
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| 101 | break
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| 102 | done
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| 103 | done
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| 104 | ;;
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| 105 | -h|--help)
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| 106 | echo "${USAGE_MESSAGE}"
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| 107 | exit 0 ;;
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| 108 | *)
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| 109 | ERROR=""
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| 110 | UNAME="${2}"
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| 111 | PACKAGE_TYPE="${3}"
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| 112 | BASE_EXPECTED="${4}"
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| 113 | VERSIONED_EXPECTED="${5}"
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| 114 | test "${1}" = --test || ERROR=yes
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| 115 | test -n "${UNAME}" && test -n "${PACKAGE_TYPE}" || test -z "${UNAME}" ||
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| 116 | ERROR=yes
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| 117 | test -n "${BASE_EXPECTED}" && test -n "${VERSIONED_EXPECTED}" ||
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| 118 | test -z "${BASE_EXPECTED}" || ERROR=yes
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| 119 | case "${ERROR}" in ?*)
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| 120 | echo "${USAGE_MESSAGE}" >&2
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| 121 | exit 1
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| 122 | esac
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| 123 | TEST=yes
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| 124 | TEST_PARAMS="${2} ${3} ${4} ${5}"
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| 125 | test -z "${UNAME}" && UNIT_TEST=yes
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| 126 | ;;
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| 127 | esac
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| 128 |
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| 129 | case "${PACKAGE_TYPE}" in
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| 130 | rpm)
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| 131 | for i in ${SUSE_FLAVOURS}; do
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| 132 | case "${UNAME}" in *-"${i}")
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| 133 | BASE_PACKAGE="kernel-${i}-devel"
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| 134 | VERSIONED_PACKAGE="kernel-${i}-devel-${UNAME%-${i}}"
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| 135 | break
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| 136 | esac
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| 137 | done
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| 138 | for i in ${EL_FLAVOURS} ""; do
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| 139 | case "${UNAME}" in *.el5"${i}"|*.el*"${i}".i686|*.el*"${i}".x86_64)
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| 140 | test -n "${i}" && i="${i}-" # Hack to handle empty flavour.
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| 141 | BASE_PACKAGE="kernel-${i}devel"
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| 142 | VERSIONED_PACKAGE="kernel-${i}devel-${UNAME}"
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| 143 | break
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| 144 | esac
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| 145 | done
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| 146 | case "${UNAME}" in *.fc*.i686|*.fc*.x86_64) # Fedora
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| 147 | BASE_PACKAGE="kernel-devel"
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| 148 | VERSIONED_PACKAGE="kernel-devel-${UNAME}"
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| 149 | esac
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| 150 | for i in ${MAGEIA_FLAVOURS} ""; do # Mageia
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| 151 | case "${UNAME}" in *-"${i}"*.mga*)
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| 152 | if test -z "${i}"; then
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| 153 | BASE_PACKAGE="kernel-linus-devel"
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| 154 | VERSIONED_PACKAGE="kernel-linus-devel-${UNAME}"
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| 155 | else
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| 156 | BASE_PACKAGE="kernel-${i}-devel"
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| 157 | VERSIONED_PACKAGE="kernel-${i}-devel-${UNAME%-${i}*}${UNAME#*${i}}"
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| 158 | fi
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| 159 | break
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| 160 | esac
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| 161 | done
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| 162 | ;;
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| 163 | dpkg)
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| 164 | for i in ${DEBIAN_FLAVOURS}; do # Debian/Ubuntu
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| 165 | case "${UNAME}" in *-${i})
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| 166 | BASE_PACKAGE="linux-headers-${i}"
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| 167 | VERSIONED_PACKAGE="linux-headers-${UNAME}"
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| 168 | break
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| 169 | esac
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| 170 | done
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| 171 | case "${UNAME}" in *-pclos*) # PCLinuxOS
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| 172 | BASE_PACKAGE="kernel-devel"
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| 173 | VERSIONED_PACKAGE="kernel-devel-${UNAME}"
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| 174 | esac
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| 175 | esac
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| 176 |
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| 177 | case "${UNIT_TEST}${BASE_EXPECTED}" in "")
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| 178 | echo "This system is currently not set up to build kernel modules." >&2
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| 179 | test -n "${HAVE_TOOLS}" ||
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| 180 | echo "Please install the ${TOOLS} packages from your distribution." >&2
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| 181 | test -n "${HAVE_HEADERS}" && exit 1
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| 182 | echo "Please install the Linux kernel \"header\" files matching the current kernel" >&2
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| 183 | echo "for adding new hardware support to the system." >&2
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| 184 | if test -n "${BASE_PACKAGE}${VERSIONED_PACKAGE}"; then
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| 185 | echo "The distribution packages containing the headers are probably:" >&2
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| 186 | echo " ${BASE_PACKAGE} ${VERSIONED_PACKAGE}" >&2
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| 187 | fi
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| 188 | test -z "${TEST}" && exit 1
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| 189 | exit 0
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| 190 | esac
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| 191 |
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| 192 | case "${BASE_EXPECTED}" in ?*)
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| 193 | case "${BASE_EXPECTED} ${VERSIONED_EXPECTED}" in
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| 194 | "${BASE_PACKAGE} ${VERSIONED_PACKAGE}")
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| 195 | exit 0
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| 196 | esac
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| 197 | echo "Test: ${TEST_PARAMS}" >&2
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| 198 | echo "Result: ${BASE_PACKAGE} ${VERSIONED_PACKAGE}"
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| 199 | exit 1
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| 200 | esac
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| 201 |
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| 202 | # Unit test as of here.
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| 203 | # Test expected correct results.
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| 204 | for i in \
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| 205 | "4.1.12-37.5.1.el6uek.x86_64 rpm kernel-uek-devel kernel-uek-devel-4.1.12-37.5.1.el6uek.x86_64" \
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| 206 | "2.6.32-642.el6.x86_64 rpm kernel-devel kernel-devel-2.6.32-642.el6.x86_64" \
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| 207 | "4.1.12-vanilla rpm kernel-vanilla-devel kernel-vanilla-devel-4.1.12" \
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| 208 | "4.8.8-pclos1 dpkg kernel-devel kernel-devel-4.8.8-pclos1" \
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| 209 | "4.8.8-desktop-1.mga6 rpm kernel-desktop-devel kernel-desktop-devel-4.8.8-1.mga6" \
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| 210 | "3.19.8-2.mga5 rpm kernel-linus-devel kernel-linus-devel-3.19.8-2.mga5" \
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| 211 | "4.8.0-27-generic dpkg linux-headers-generic linux-headers-4.8.0-27-generic"
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| 212 | do
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| 213 | "${0}" --test ${i} || exit 1
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| 214 | done
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| 215 |
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| 216 | # Test argument combinations expected to fail.
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| 217 | for i in \
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| 218 | "--test NOT_EMPTY" \
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| 219 | "--test NOT_EMPTY NOT_EMPTY NOT_EMPTY" \
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| 220 | "--wrong" \
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| 221 | "--test 4.8.8-pclos1 dpkg kernel-devel kernel-devel-WRONG" \
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| 222 | "--test 4.8.8-pclos1 dpkg kernel-WRONG kernel-devel-4.8.8-pclos1"
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| 223 | do
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| 224 | "${0}" ${i} >/dev/null 2>&1 && echo "Bad argument test failed:" &&
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| 225 | echo " ${i}" && exit 1
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| 226 | done
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| 227 | exit 0
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