/[gentoo-x86]/eclass/linux-info.eclass
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1# Copyright 1999-2004 Gentoo Foundation 1# Copyright 1999-2004 Gentoo Foundation
2# Distributed under the terms of the GNU General Public License v2 2# Distributed under the terms of the GNU General Public License v2
3# $Header: /var/cvsroot/gentoo-x86/eclass/linux-info.eclass,v 1.2 2004/11/25 19:47:18 johnm Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/linux-info.eclass,v 1.3 2004/11/27 11:26:52 johnm Exp $
4# 4#
5# This eclass provides functions for querying the installed kernel 5# This eclass provides functions for querying the installed kernel
6# source version, selected kernel options etc. 6# source version, selected kernel options etc.
7# 7#
8 8
10INHERITED="$INHERITED $ECLASS" 10INHERITED="$INHERITED $ECLASS"
11 11
12# Overwritable environment Var's 12# Overwritable environment Var's
13# --------------------------------------- 13# ---------------------------------------
14KERNEL_DIR="${KERNEL_DIR:-/usr/src/linux}" 14KERNEL_DIR="${KERNEL_DIR:-/usr/src/linux}"
15
15 16
16 17
17# File Functions 18# File Functions
18# --------------------------------------- 19# ---------------------------------------
19 20
31 if [ "${ERROR}" = 1 ] 32 if [ "${ERROR}" = 1 ]
32 then 33 then
33 eerror "getfilevar requires 2 variables, with the second a valid file." 34 eerror "getfilevar requires 2 variables, with the second a valid file."
34 eerror " getfilevar <VARIABLE> <CONFIGFILE>" 35 eerror " getfilevar <VARIABLE> <CONFIGFILE>"
35 else 36 else
36 grep -e "^$1" $2 | sed 's: = :=:' | cut -d= -f2- 37 grep -e "^$1[= ]" $2 | sed 's: = :=:' | cut -d= -f2-
37 fi 38 fi
38} 39}
39 40
40getfilevar_isset() { 41getfilevar_isset() {
41local RESULT 42local RESULT
64# kernel_is 2 4 returns false 65# kernel_is 2 4 returns false
65# kernel_is 2 returns true 66# kernel_is 2 returns true
66# kernel_is 2 6 returns true 67# kernel_is 2 6 returns true
67# kernel_is 2 6 8 returns false 68# kernel_is 2 6 8 returns false
68# kernel_is 2 6 9 returns true 69# kernel_is 2 6 9 returns true
70#
69# got the jist yet? 71# got the jist yet?
70 72
71kernel_is() { 73kernel_is() {
72 # if we haven't determined the version yet, we need too. 74 # if we haven't determined the version yet, we need too.
73 get_version; 75 get_version;
178 if [ "$?" != 0 ] 180 if [ "$?" != 0 ]
179 then 181 then
180 eerror "These sources do not support loading external modules." 182 eerror "These sources do not support loading external modules."
181 eerror "to be able to use this module please enable \"Loadable modules support\"" 183 eerror "to be able to use this module please enable \"Loadable modules support\""
182 eerror "in your kernel, recompile and then try merging this module again." 184 eerror "in your kernel, recompile and then try merging this module again."
185 die No support for external modules in ${KV_FUll} config
186 fi
187}
188
189check_extra_config() {
190local config negate error
191
192 # if we haven't determined the version yet, we need too.
193 get_version;
194
195 einfo "Checking for suitable kernel configuration options"
196 for config in ${CONFIG_CHECK}
197 do
198 negate="${config:0:1}"
199 if [ "${negate}" == "!" ];
200 then
201 config="${config:1}"
202 if getfilevar_isset ${config} ${KV_DIR}/.config ;
203 then
204 eerror " ${config}:\tshould not be set in the kernel configuration, but it is."
205 error=1
206 fi
207 else
208 if ! getfilevar_isset ${config} ${KV_DIR}/.config ;
209 then
210 eerror " ${config}:\tshould be set in the kernel configuration, but isn't"
211 error=1
212 fi
213 fi
214 done
215
216 if [ -n "${error}" ] ;
217 then
218 eerror "Please check to make sure these options are set correctly."
219 eerror "Once you have satisfied these options, please try merging"
220 eerror "this package again."
221 die Incorrect kernel configuration options
183 fi 222 fi
184} 223}
185 224
186check_zlibinflate() { 225check_zlibinflate() {
187 # if we haven't determined the version yet, we need too. 226 # if we haven't determined the version yet, we need too.

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