| 1 | # Copyright 1999-2004 Gentoo Foundation |
1 | # Copyright 1999-2012 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 1.1.1.1 2005/11/30 09:59:20 chriswhite Exp $ |
3 | # $Header: /var/cvsroot/gentoo-x86/eclass/linux-info.eclass,v 1.93 2012/10/22 19:00:52 mpagano Exp $ |
| 4 | # |
4 | |
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5 | # @ECLASS: linux-info.eclass |
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6 | # @MAINTAINER: |
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7 | # kernel-misc@gentoo.org |
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8 | # @AUTHOR: |
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9 | # Original author: John Mylchreest <johnm@gentoo.org> |
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10 | # @BLURB: eclass used for accessing kernel related information |
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11 | # @DESCRIPTION: |
| 5 | # Description: This eclass is used as a central eclass for accessing kernel |
12 | # This eclass is used as a central eclass for accessing kernel |
| 6 | # related information for sources already installed. |
13 | # related information for source or binary already installed. |
| 7 | # It is vital for linux-mod to function correctly, and is split |
14 | # It is vital for linux-mod.eclass to function correctly, and is split |
| 8 | # out so that any ebuild behaviour "templates" are abstracted out |
15 | # out so that any ebuild behaviour "templates" are abstracted out |
| 9 | # using additional eclasses. |
16 | # using additional eclasses. |
| 10 | # |
17 | # |
| 11 | # Maintainer: John Mylchreest <johnm@gentoo.org> |
18 | # "kernel config" in this file means: |
| 12 | # Copyright 2004 Gentoo Linux |
19 | # The .config of the currently installed sources is used as the first |
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20 | # preference, with a fall-back to bundled config (/proc/config.gz) if available. |
| 13 | # |
21 | # |
| 14 | # Please direct your bugs to the current eclass maintainer :) |
22 | # Before using any of the config-handling functions in this eclass, you must |
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23 | # ensure that one of the following functions has been called (in order of |
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24 | # preference), otherwise you will get bugs like #364041): |
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25 | # linux-info_pkg_setup |
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26 | # linux-info_get_any_version |
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27 | # get_version |
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28 | # get_running_version |
| 15 | |
29 | |
| 16 | # A Couple of env vars are available to effect usage of this eclass |
30 | # A Couple of env vars are available to effect usage of this eclass |
| 17 | # These are as follows: |
31 | # These are as follows: |
| 18 | # |
32 | |
| 19 | # Env Var Option Description |
33 | # @ECLASS-VARIABLE: KERNEL_DIR |
| 20 | # KERNEL_DIR <string> The directory containing kernel the target kernel |
34 | # @DESCRIPTION: |
| 21 | # sources. |
35 | # A string containing the directory of the target kernel sources. The default value is |
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36 | # "/usr/src/linux" |
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37 | |
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38 | # @ECLASS-VARIABLE: CONFIG_CHECK |
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39 | # @DESCRIPTION: |
| 22 | # CONFIG_CHECK <string> a list of .config options to check for before |
40 | # A string containing a list of .config options to check for before |
| 23 | # proceeding with the install. ie: CONFIG_CHECK="MTRR" |
41 | # proceeding with the install. |
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42 | # |
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43 | # e.g.: CONFIG_CHECK="MTRR" |
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44 | # |
| 24 | # You can also check that an option doesn't exist by |
45 | # You can also check that an option doesn't exist by |
| 25 | # prepending it with an exclamation mark (!). |
46 | # prepending it with an exclamation mark (!). |
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47 | # |
| 26 | # ie: CONFIG_CHECK="!MTRR" |
48 | # e.g.: CONFIG_CHECK="!MTRR" |
| 27 | # ERROR_CFG <string> The error message to display when the above check |
49 | # |
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50 | # To simply warn about a missing option, prepend a '~'. |
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51 | # It may be combined with '!'. |
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52 | # |
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53 | # In general, most checks should be non-fatal. The only time fatal checks should |
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54 | # be used is for building kernel modules or cases that a compile will fail |
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55 | # without the option. |
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56 | # |
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57 | # This is to allow usage of binary kernels, and minimal systems without kernel |
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58 | # sources. |
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59 | |
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60 | # @ECLASS-VARIABLE: ERROR_<CFG> |
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61 | # @DESCRIPTION: |
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62 | # A string containing the error message to display when the check against CONFIG_CHECK |
| 28 | # fails. <CFG> should reference the appropriate option |
63 | # fails. <CFG> should reference the appropriate option used in CONFIG_CHECK. |
| 29 | # as above. ie: ERROR_MTRR="MTRR exists in the .config |
64 | # |
| 30 | # but shouldn't!!" |
65 | # e.g.: ERROR_MTRR="MTRR exists in the .config but shouldn't!!" |
| 31 | # KBUILD_OUTPUT <string> This is passed on commandline, or can be set from |
66 | |
| 32 | # the kernel makefile. This contains the directory |
67 | # @ECLASS-VARIABLE: KBUILD_OUTPUT |
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68 | # @DESCRIPTION: |
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69 | # A string passed on commandline, or set from the kernel makefile. It contains the directory |
| 33 | # which is to be used as the kernel object directory. |
70 | # which is to be used as the kernel object directory. |
| 34 | |
71 | |
| 35 | # There are also a couple of variables which are set by this, and shouldn't be |
72 | # There are also a couple of variables which are set by this, and shouldn't be |
| 36 | # set by hand. These are as follows: |
73 | # set by hand. These are as follows: |
| 37 | # |
74 | |
| 38 | # Env Var Option Description |
75 | # @ECLASS-VARIABLE: KV_FULL |
| 39 | # KV_FULL <string> The full kernel version. ie: 2.6.9-gentoo-johnm-r1 |
76 | # @DESCRIPTION: |
| 40 | # KV_MAJOR <integer> The kernel major version. ie: 2 |
77 | # A read-only variable. It's a string containing the full kernel version. ie: 2.6.9-gentoo-johnm-r1 |
| 41 | # KV_MINOR <integer> The kernel minor version. ie: 6 |
78 | |
| 42 | # KV_PATCH <integer> The kernel patch version. ie: 9 |
79 | # @ECLASS-VARIABLE: KV_MAJOR |
| 43 | # KV_EXTRA <string> The kernel EXTRAVERSION. ie: -gentoo |
80 | # @DESCRIPTION: |
| 44 | # KV_LOCAL <string> The kernel LOCALVERSION concatenation. ie: -johnm |
81 | # A read-only variable. It's an integer containing the kernel major version. ie: 2 |
| 45 | # KV_DIR <string> The kernel source directory, will be null if |
82 | |
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83 | # @ECLASS-VARIABLE: KV_MINOR |
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84 | # @DESCRIPTION: |
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85 | # A read-only variable. It's an integer containing the kernel minor version. ie: 6 |
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86 | |
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87 | # @ECLASS-VARIABLE: KV_PATCH |
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88 | # @DESCRIPTION: |
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89 | # A read-only variable. It's an integer containing the kernel patch version. ie: 9 |
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90 | |
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91 | # @ECLASS-VARIABLE: KV_EXTRA |
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92 | # @DESCRIPTION: |
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93 | # A read-only variable. It's a string containing the kernel EXTRAVERSION. ie: -gentoo |
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94 | |
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95 | # @ECLASS-VARIABLE: KV_LOCAL |
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96 | # @DESCRIPTION: |
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97 | # A read-only variable. It's a string containing the kernel LOCALVERSION concatenation. ie: -johnm |
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98 | |
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99 | # @ECLASS-VARIABLE: KV_DIR |
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100 | # @DESCRIPTION: |
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101 | # A read-only variable. It's a string containing the kernel source directory, will be null if |
| 46 | # KERNEL_DIR is invalid. |
102 | # KERNEL_DIR is invalid. |
| 47 | # KV_OUT_DIR <string> The kernel object directory. will be KV_DIR unless |
103 | |
| 48 | # koutput is used. This should be used for referencing |
104 | # @ECLASS-VARIABLE: KV_OUT_DIR |
| 49 | # .config. |
105 | # @DESCRIPTION: |
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106 | # A read-only variable. It's a string containing the kernel object directory, will be KV_DIR unless |
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107 | # KBUILD_OUTPUT is used. This should be used for referencing .config. |
| 50 | |
108 | |
| 51 | # And to ensure all the weirdness with crosscompile |
109 | # And to ensure all the weirdness with crosscompile |
| 52 | inherit toolchain-funcs versionator |
110 | inherit toolchain-funcs versionator |
| 53 | |
111 | |
| 54 | EXPORT_FUNCTIONS pkg_setup |
112 | EXPORT_FUNCTIONS pkg_setup |
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113 | |
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114 | DEPEND="" |
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115 | RDEPEND="" |
| 55 | |
116 | |
| 56 | # Overwritable environment Var's |
117 | # Overwritable environment Var's |
| 57 | # --------------------------------------- |
118 | # --------------------------------------- |
| 58 | KERNEL_DIR="${KERNEL_DIR:-${ROOT}usr/src/linux}" |
119 | KERNEL_DIR="${KERNEL_DIR:-${ROOT}usr/src/linux}" |
| 59 | |
120 | |
| … | |
… | |
| 63 | case ${ARCH} in |
124 | case ${ARCH} in |
| 64 | ppc) BUILD_FIXES="${BUILD_FIXES} TOUT=${T}/.tmp_gas_check";; |
125 | ppc) BUILD_FIXES="${BUILD_FIXES} TOUT=${T}/.tmp_gas_check";; |
| 65 | ppc64) BUILD_FIXES="${BUILD_FIXES} TOUT=${T}/.tmp_gas_check";; |
126 | ppc64) BUILD_FIXES="${BUILD_FIXES} TOUT=${T}/.tmp_gas_check";; |
| 66 | esac |
127 | esac |
| 67 | |
128 | |
| 68 | # These are legacy wrappers for toolchain-funcs. |
129 | # @FUNCTION: set_arch_to_kernel |
| 69 | # I dont like them here, but oh well. |
130 | # @DESCRIPTION: |
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131 | # Set the env ARCH to match what the kernel expects. |
| 70 | set_arch_to_kernel() { export ARCH="$(tc-arch-kernel)"; } |
132 | set_arch_to_kernel() { export ARCH=$(tc-arch-kernel); } |
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133 | # @FUNCTION: set_arch_to_portage |
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134 | # @DESCRIPTION: |
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135 | # Set the env ARCH to match what portage expects. |
| 71 | set_arch_to_portage() { export ARCH="$(tc-arch)"; } |
136 | set_arch_to_portage() { export ARCH=$(tc-arch); } |
| 72 | |
137 | |
| 73 | # qeinfo "Message" |
138 | # qeinfo "Message" |
| 74 | # ------------------- |
139 | # ------------------- |
| 75 | # qeinfo is a quiet einfo call when EBUILD_PHASE |
140 | # qeinfo is a quiet einfo call when EBUILD_PHASE |
| 76 | # should not have visible output. |
141 | # should not have visible output. |
| … | |
… | |
| 86 | esac |
151 | esac |
| 87 | [ -n "${outputmsg}" ] && ${type} "${outputmsg}" |
152 | [ -n "${outputmsg}" ] && ${type} "${outputmsg}" |
| 88 | } |
153 | } |
| 89 | |
154 | |
| 90 | qeinfo() { qout einfo "${@}" ; } |
155 | qeinfo() { qout einfo "${@}" ; } |
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156 | qewarn() { qout ewarn "${@}" ; } |
| 91 | qeerror() { qout eerror "${@}" ; } |
157 | qeerror() { qout eerror "${@}" ; } |
| 92 | |
158 | |
| 93 | # File Functions |
159 | # File Functions |
| 94 | # --------------------------------------- |
160 | # --------------------------------------- |
| 95 | |
161 | |
| 96 | # getfilevar accepts 2 vars as follows: |
162 | # @FUNCTION: getfilevar |
| 97 | # getfilevar <VARIABLE> <CONFIGFILE> |
163 | # @USAGE: variable configfile |
| 98 | |
164 | # @RETURN: the value of the variable |
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165 | # @DESCRIPTION: |
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166 | # It detects the value of the variable defined in the file configfile. This is |
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167 | # done by including the configfile, and printing the variable with Make. |
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168 | # It WILL break if your makefile has missing dependencies! |
| 99 | getfilevar() { |
169 | getfilevar() { |
| 100 | local ERROR workingdir basefname basedname myARCH="${ARCH}" |
170 | local ERROR basefname basedname myARCH="${ARCH}" |
| 101 | ERROR=0 |
171 | ERROR=0 |
| 102 | |
172 | |
| 103 | [ -z "${1}" ] && ERROR=1 |
173 | [ -z "${1}" ] && ERROR=1 |
| 104 | [ ! -f "${2}" ] && ERROR=1 |
174 | [ ! -f "${2}" ] && ERROR=1 |
| 105 | |
175 | |
| … | |
… | |
| 107 | then |
177 | then |
| 108 | echo -e "\n" |
178 | echo -e "\n" |
| 109 | eerror "getfilevar requires 2 variables, with the second a valid file." |
179 | eerror "getfilevar requires 2 variables, with the second a valid file." |
| 110 | eerror " getfilevar <VARIABLE> <CONFIGFILE>" |
180 | eerror " getfilevar <VARIABLE> <CONFIGFILE>" |
| 111 | else |
181 | else |
| 112 | workingdir=${PWD} |
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| 113 | basefname=$(basename ${2}) |
182 | basefname="$(basename ${2})" |
| 114 | basedname=$(dirname ${2}) |
183 | basedname="$(dirname ${2})" |
| 115 | unset ARCH |
184 | unset ARCH |
| 116 | |
185 | |
| 117 | cd ${basedname} |
186 | echo -e "e:\\n\\t@echo \$(${1})\\ninclude ${basefname}" | \ |
| 118 | echo -e "include ${basefname}\ne:\n\t@echo \$(${1})" | \ |
187 | make -C "${basedname}" M="${S}" ${BUILD_FIXES} -s -f - 2>/dev/null |
| 119 | make ${BUILD_FIXES} -s -f - e 2>/dev/null |
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| 120 | cd ${workingdir} |
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| 121 | |
188 | |
| 122 | ARCH=${myARCH} |
189 | ARCH=${myARCH} |
| 123 | fi |
190 | fi |
| 124 | } |
191 | } |
| 125 | |
192 | |
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193 | # @FUNCTION: getfilevar_noexec |
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194 | # @USAGE: variable configfile |
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195 | # @RETURN: the value of the variable |
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196 | # @DESCRIPTION: |
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197 | # It detects the value of the variable defined in the file configfile. |
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198 | # This is done with sed matching an expression only. If the variable is defined, |
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199 | # you will run into problems. See getfilevar for those cases. |
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200 | getfilevar_noexec() { |
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201 | local ERROR basefname basedname mycat myARCH="${ARCH}" |
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202 | ERROR=0 |
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203 | mycat='cat' |
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204 | |
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205 | [ -z "${1}" ] && ERROR=1 |
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206 | [ ! -f "${2}" ] && ERROR=1 |
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207 | [ "${2%.gz}" != "${2}" ] && mycat='zcat' |
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208 | |
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209 | if [ "${ERROR}" = 1 ] |
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210 | then |
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211 | echo -e "\n" |
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212 | eerror "getfilevar_noexec requires 2 variables, with the second a valid file." |
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213 | eerror " getfilevar_noexec <VARIABLE> <CONFIGFILE>" |
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214 | else |
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215 | ${mycat} "${2}" | \ |
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216 | sed -n \ |
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217 | -e "/^[[:space:]]*${1}[[:space:]]*:\\?=[[:space:]]*\(.*\)\$/{ |
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218 | s,^[^=]*[[:space:]]*=[[:space:]]*,,g ; |
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219 | s,[[:space:]]*\$,,g ; |
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220 | p |
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221 | }" |
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222 | fi |
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223 | } |
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224 | |
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225 | # @ECLASS-VARIABLE: _LINUX_CONFIG_EXISTS_DONE |
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226 | # @INTERNAL |
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227 | # @DESCRIPTION: |
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228 | # This is only set if one of the linux_config_*exists functions has been called. |
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229 | # We use it for a QA warning that the check for a config has not been performed, |
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230 | # as linux_chkconfig* in non-legacy mode WILL return an undefined value if no |
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231 | # config is available at all. |
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232 | _LINUX_CONFIG_EXISTS_DONE= |
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233 | |
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234 | linux_config_qa_check() { |
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235 | local f="$1" |
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236 | if [ -z "${_LINUX_CONFIG_EXISTS_DONE}" ]; then |
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237 | ewarn "QA: You called $f before any linux_config_exists!" |
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238 | ewarn "QA: The return value of $f will NOT guaranteed later!" |
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239 | fi |
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240 | } |
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241 | |
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242 | # @FUNCTION: linux_config_src_exists |
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243 | # @RETURN: true or false |
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244 | # @DESCRIPTION: |
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245 | # It returns true if .config exists in a build directory otherwise false |
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246 | linux_config_src_exists() { |
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247 | export _LINUX_CONFIG_EXISTS_DONE=1 |
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248 | [ -s "${KV_OUT_DIR}/.config" ] |
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249 | } |
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250 | |
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251 | # @FUNCTION: linux_config_bin_exists |
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252 | # @RETURN: true or false |
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253 | # @DESCRIPTION: |
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254 | # It returns true if .config exists in /proc, otherwise false |
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255 | linux_config_bin_exists() { |
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256 | export _LINUX_CONFIG_EXISTS_DONE=1 |
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257 | [ -s "/proc/config.gz" ] |
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258 | } |
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259 | |
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260 | # @FUNCTION: linux_config_exists |
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261 | # @RETURN: true or false |
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262 | # @DESCRIPTION: |
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263 | # It returns true if .config exists otherwise false |
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264 | # |
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265 | # This function MUST be checked before using any of the linux_chkconfig_* |
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266 | # functions. |
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267 | linux_config_exists() { |
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268 | linux_config_src_exists || linux_config_bin_exists |
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269 | } |
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270 | |
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271 | # @FUNCTION: require_configured_kernel |
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272 | # @DESCRIPTION: |
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273 | # This function verifies that the current kernel is configured (it checks against the existence of .config) |
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274 | # otherwise it dies. |
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275 | require_configured_kernel() { |
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276 | if ! linux_config_src_exists; then |
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277 | qeerror "Could not find a usable .config in the kernel source directory." |
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278 | qeerror "Please ensure that ${KERNEL_DIR} points to a configured set of Linux sources." |
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279 | qeerror "If you are using KBUILD_OUTPUT, please set the environment var so that" |
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280 | qeerror "it points to the necessary object directory so that it might find .config." |
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281 | die "Kernel not configured; no .config found in ${KV_OUT_DIR}" |
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282 | fi |
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283 | } |
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284 | |
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285 | # @FUNCTION: linux_chkconfig_present |
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286 | # @USAGE: option |
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287 | # @RETURN: true or false |
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288 | # @DESCRIPTION: |
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289 | # It checks that CONFIG_<option>=y or CONFIG_<option>=m is present in the current kernel .config |
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290 | # If linux_config_exists returns false, the results of this are UNDEFINED. You |
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291 | # MUST call linux_config_exists first. |
| 126 | linux_chkconfig_present() { |
292 | linux_chkconfig_present() { |
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293 | linux_config_qa_check linux_chkconfig_present |
| 127 | local RESULT |
294 | local RESULT |
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295 | local config |
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296 | config="${KV_OUT_DIR}/.config" |
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297 | [ ! -f "${config}" ] && config="/proc/config.gz" |
| 128 | RESULT="$(getfilevar CONFIG_${1} ${KV_OUT_DIR}/.config)" |
298 | RESULT="$(getfilevar_noexec CONFIG_${1} "${config}")" |
| 129 | [ "${RESULT}" = "m" -o "${RESULT}" = "y" ] && return 0 || return 1 |
299 | [ "${RESULT}" = "m" -o "${RESULT}" = "y" ] && return 0 || return 1 |
| 130 | } |
300 | } |
| 131 | |
301 | |
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302 | # @FUNCTION: linux_chkconfig_module |
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303 | # @USAGE: option |
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304 | # @RETURN: true or false |
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305 | # @DESCRIPTION: |
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306 | # It checks that CONFIG_<option>=m is present in the current kernel .config |
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307 | # If linux_config_exists returns false, the results of this are UNDEFINED. You |
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308 | # MUST call linux_config_exists first. |
| 132 | linux_chkconfig_module() { |
309 | linux_chkconfig_module() { |
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310 | linux_config_qa_check linux_chkconfig_module |
| 133 | local RESULT |
311 | local RESULT |
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312 | local config |
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313 | config="${KV_OUT_DIR}/.config" |
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314 | [ ! -f "${config}" ] && config="/proc/config.gz" |
| 134 | RESULT="$(getfilevar CONFIG_${1} ${KV_OUT_DIR}/.config)" |
315 | RESULT="$(getfilevar_noexec CONFIG_${1} "${config}")" |
| 135 | [ "${RESULT}" = "m" ] && return 0 || return 1 |
316 | [ "${RESULT}" = "m" ] && return 0 || return 1 |
| 136 | } |
317 | } |
| 137 | |
318 | |
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319 | # @FUNCTION: linux_chkconfig_builtin |
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320 | # @USAGE: option |
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321 | # @RETURN: true or false |
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322 | # @DESCRIPTION: |
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323 | # It checks that CONFIG_<option>=y is present in the current kernel .config |
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324 | # If linux_config_exists returns false, the results of this are UNDEFINED. You |
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325 | # MUST call linux_config_exists first. |
| 138 | linux_chkconfig_builtin() { |
326 | linux_chkconfig_builtin() { |
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327 | linux_config_qa_check linux_chkconfig_builtin |
| 139 | local RESULT |
328 | local RESULT |
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329 | local config |
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330 | config="${KV_OUT_DIR}/.config" |
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331 | [ ! -f "${config}" ] && config="/proc/config.gz" |
| 140 | RESULT="$(getfilevar CONFIG_${1} ${KV_OUT_DIR}/.config)" |
332 | RESULT="$(getfilevar_noexec CONFIG_${1} "${config}")" |
| 141 | [ "${RESULT}" = "y" ] && return 0 || return 1 |
333 | [ "${RESULT}" = "y" ] && return 0 || return 1 |
| 142 | } |
334 | } |
| 143 | |
335 | |
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336 | # @FUNCTION: linux_chkconfig_string |
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337 | # @USAGE: option |
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338 | # @RETURN: CONFIG_<option> |
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339 | # @DESCRIPTION: |
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340 | # It prints the CONFIG_<option> value of the current kernel .config (it requires a configured kernel). |
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341 | # If linux_config_exists returns false, the results of this are UNDEFINED. You |
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342 | # MUST call linux_config_exists first. |
| 144 | linux_chkconfig_string() { |
343 | linux_chkconfig_string() { |
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344 | linux_config_qa_check linux_chkconfig_string |
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345 | local config |
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346 | config="${KV_OUT_DIR}/.config" |
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347 | [ ! -f "${config}" ] && config="/proc/config.gz" |
| 145 | getfilevar "CONFIG_${1}" "${KV_OUT_DIR}/.config" |
348 | getfilevar_noexec "CONFIG_${1}" "${config}" |
| 146 | } |
349 | } |
| 147 | |
350 | |
| 148 | # Versioning Functions |
351 | # Versioning Functions |
| 149 | # --------------------------------------- |
352 | # --------------------------------------- |
| 150 | |
353 | |
| 151 | # kernel_is returns true when the version is the same as the passed version |
354 | # @FUNCTION: kernel_is |
|
|
355 | # @USAGE: [-lt -gt -le -ge -eq] major_number [minor_number patch_number] |
|
|
356 | # @RETURN: true or false |
|
|
357 | # @DESCRIPTION: |
|
|
358 | # It returns true when the current kernel version satisfies the comparison against the passed version. |
|
|
359 | # -eq is the default comparison. |
| 152 | # |
360 | # |
|
|
361 | # @CODE |
| 153 | # For Example where KV = 2.6.9 |
362 | # For Example where KV = 2.6.9 |
| 154 | # kernel_is 2 4 returns false |
363 | # kernel_is 2 4 returns false |
| 155 | # kernel_is 2 returns true |
364 | # kernel_is 2 returns true |
| 156 | # kernel_is 2 6 returns true |
365 | # kernel_is 2 6 returns true |
| 157 | # kernel_is 2 6 8 returns false |
366 | # kernel_is 2 6 8 returns false |
| 158 | # kernel_is 2 6 9 returns true |
367 | # kernel_is 2 6 9 returns true |
| 159 | # |
368 | # @CODE |
| 160 | # got the jist yet? |
|
|
| 161 | |
369 | |
|
|
370 | # Note: duplicated in kernel-2.eclass |
| 162 | kernel_is() { |
371 | kernel_is() { |
| 163 | # if we haven't determined the version yet, we need too. |
372 | # if we haven't determined the version yet, we need to. |
| 164 | get_version; |
373 | linux-info_get_any_version |
|
|
374 | |
|
|
375 | # Now we can continue |
| 165 | local operator test value x=0 y=0 z=0 |
376 | local operator test value |
| 166 | |
377 | |
| 167 | case ${1} in |
378 | case ${1#-} in |
| 168 | lt) operator="-lt"; shift;; |
379 | lt) operator="-lt"; shift;; |
| 169 | gt) operator="-gt"; shift;; |
380 | gt) operator="-gt"; shift;; |
| 170 | le) operator="-le"; shift;; |
381 | le) operator="-le"; shift;; |
| 171 | ge) operator="-ge"; shift;; |
382 | ge) operator="-ge"; shift;; |
| 172 | eq) operator="-eq"; shift;; |
383 | eq) operator="-eq"; shift;; |
| 173 | *) operator="-eq";; |
384 | *) operator="-eq";; |
| 174 | esac |
385 | esac |
| 175 | |
|
|
| 176 | for x in ${@}; do |
|
|
| 177 | for((y=0; y<$((3 - ${#x})); y++)); do value="${value}0"; done |
|
|
| 178 | value="${value}${x}" |
|
|
| 179 | z=$((${z} + 1)) |
|
|
| 180 | |
|
|
| 181 | case ${z} in |
|
|
| 182 | 1) for((y=0; y<$((3 - ${#KV_MAJOR})); y++)); do test="${test}0"; done; |
|
|
| 183 | test="${test}${KV_MAJOR}";; |
|
|
| 184 | 2) for((y=0; y<$((3 - ${#KV_MINOR})); y++)); do test="${test}0"; done; |
|
|
| 185 | test="${test}${KV_MINOR}";; |
|
|
| 186 | 3) for((y=0; y<$((3 - ${#KV_PATCH})); y++)); do test="${test}0"; done; |
|
|
| 187 | test="${test}${KV_PATCH}";; |
|
|
| 188 | *) die "Error in kernel-2_kernel_is(): Too many parameters.";; |
386 | [[ $# -gt 3 ]] && die "Error in kernel-2_kernel_is(): too many parameters" |
| 189 | esac |
|
|
| 190 | done |
|
|
| 191 | |
387 | |
| 192 | [ ${test} ${operator} ${value} ] && return 0 || return 1 |
388 | : $(( test = (KV_MAJOR << 16) + (KV_MINOR << 8) + KV_PATCH )) |
|
|
389 | : $(( value = (${1:-${KV_MAJOR}} << 16) + (${2:-${KV_MINOR}} << 8) + ${3:-${KV_PATCH}} )) |
|
|
390 | [ ${test} ${operator} ${value} ] |
| 193 | } |
391 | } |
| 194 | |
392 | |
| 195 | get_localversion() { |
393 | get_localversion() { |
| 196 | local lv_list i x |
394 | local lv_list i x |
| 197 | |
395 | |
| … | |
… | |
| 205 | done |
403 | done |
| 206 | x=${x/ /} |
404 | x=${x/ /} |
| 207 | echo ${x} |
405 | echo ${x} |
| 208 | } |
406 | } |
| 209 | |
407 | |
|
|
408 | # Check if the Makefile is valid for direct parsing. |
|
|
409 | # Check status results: |
|
|
410 | # - PASS, use 'getfilevar' to extract values |
|
|
411 | # - FAIL, use 'getfilevar_noexec' to extract values |
|
|
412 | # The check may fail if: |
|
|
413 | # - make is not present |
|
|
414 | # - corruption exists in the kernel makefile |
|
|
415 | get_makefile_extract_function() { |
|
|
416 | local a='' b='' mkfunc='getfilevar' |
|
|
417 | a="$(getfilevar VERSION ${KERNEL_MAKEFILE})" |
|
|
418 | b="$(getfilevar_noexec VERSION ${KERNEL_MAKEFILE})" |
|
|
419 | [[ "${a}" != "${b}" ]] && mkfunc='getfilevar_noexec' |
|
|
420 | echo "${mkfunc}" |
|
|
421 | } |
|
|
422 | |
|
|
423 | # internal variable, so we know to only print the warning once |
|
|
424 | get_version_warning_done= |
|
|
425 | |
|
|
426 | # @FUNCTION: get_version |
|
|
427 | # @DESCRIPTION: |
|
|
428 | # It gets the version of the kernel inside KERNEL_DIR and populates the KV_FULL variable |
|
|
429 | # (if KV_FULL is already set it does nothing). |
|
|
430 | # |
|
|
431 | # The kernel version variables (KV_MAJOR, KV_MINOR, KV_PATCH, KV_EXTRA and KV_LOCAL) are also set. |
|
|
432 | # |
|
|
433 | # The KV_DIR is set using the KERNEL_DIR env var, the KV_DIR_OUT is set using a valid |
|
|
434 | # KBUILD_OUTPUT (in a decreasing priority list, we look for the env var, makefile var or the |
|
|
435 | # symlink /lib/modules/${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}${KV_EXTRA}/build). |
| 210 | get_version() { |
436 | get_version() { |
| 211 | local kbuild_output |
437 | local kbuild_output mkfunc tmplocal |
| 212 | |
438 | |
| 213 | # no need to execute this twice assuming KV_FULL is populated. |
439 | # no need to execute this twice assuming KV_FULL is populated. |
| 214 | # we can force by unsetting KV_FULL |
440 | # we can force by unsetting KV_FULL |
| 215 | [ -n "${KV_FULL}" ] && return 0 |
441 | [ -n "${KV_FULL}" ] && return 0 |
| 216 | |
442 | |
| 217 | # if we dont know KV_FULL, then we need too. |
443 | # if we dont know KV_FULL, then we need too. |
| 218 | # make sure KV_DIR isnt set since we need to work it out via KERNEL_DIR |
444 | # make sure KV_DIR isnt set since we need to work it out via KERNEL_DIR |
| 219 | unset KV_DIR |
445 | unset KV_DIR |
| 220 | |
446 | |
| 221 | # KV_DIR will contain the full path to the sources directory we should use |
447 | # KV_DIR will contain the full path to the sources directory we should use |
|
|
448 | [ -z "${get_version_warning_done}" ] && \ |
| 222 | qeinfo "Determining the location of the kernel source code" |
449 | qeinfo "Determining the location of the kernel source code" |
| 223 | [ -h "${KERNEL_DIR}" ] && KV_DIR="$(readlink -f ${KERNEL_DIR})" |
450 | [ -h "${KERNEL_DIR}" ] && KV_DIR="$(readlink -f ${KERNEL_DIR})" |
| 224 | [ -d "${KERNEL_DIR}" ] && KV_DIR="${KERNEL_DIR}" |
451 | [ -d "${KERNEL_DIR}" ] && KV_DIR="${KERNEL_DIR}" |
| 225 | |
452 | |
| 226 | if [ -z "${KV_DIR}" ] |
453 | if [ -z "${KV_DIR}" ] |
| 227 | then |
454 | then |
|
|
455 | if [ -z "${get_version_warning_done}" ]; then |
|
|
456 | get_version_warning_done=1 |
| 228 | qeerror "Unable to find kernel sources at ${KERNEL_DIR}" |
457 | qeerror "Unable to find kernel sources at ${KERNEL_DIR}" |
| 229 | qeinfo "This package requires Linux sources." |
458 | #qeinfo "This package requires Linux sources." |
| 230 | if [ "${KERNEL_DIR}" == "/usr/src/linux" ] ; then |
459 | if [ "${KERNEL_DIR}" == "/usr/src/linux" ] ; then |
| 231 | qeinfo "Please make sure that ${KERNEL_DIR} points at your running kernel, " |
460 | qeinfo "Please make sure that ${KERNEL_DIR} points at your running kernel, " |
| 232 | qeinfo "(or the kernel you wish to build against)." |
461 | qeinfo "(or the kernel you wish to build against)." |
| 233 | qeinfo "Alternatively, set the KERNEL_DIR environment variable to the kernel sources location" |
462 | qeinfo "Alternatively, set the KERNEL_DIR environment variable to the kernel sources location" |
| 234 | else |
463 | else |
| 235 | qeinfo "Please ensure that the KERNEL_DIR environment variable points at full Linux sources of the kernel you wish to compile against." |
464 | qeinfo "Please ensure that the KERNEL_DIR environment variable points at full Linux sources of the kernel you wish to compile against." |
|
|
465 | fi |
| 236 | fi |
466 | fi |
| 237 | return 1 |
467 | return 1 |
| 238 | fi |
468 | fi |
| 239 | |
469 | |
|
|
470 | if [ -z "${get_version_warning_done}" ]; then |
| 240 | qeinfo "Found kernel source directory:" |
471 | qeinfo "Found kernel source directory:" |
| 241 | qeinfo " ${KV_DIR}" |
472 | qeinfo " ${KV_DIR}" |
|
|
473 | fi |
| 242 | |
474 | |
| 243 | if [ ! -s "${KV_DIR}/Makefile" ] |
475 | if [ ! -s "${KV_DIR}/Makefile" ] |
| 244 | then |
476 | then |
|
|
477 | if [ -z "${get_version_warning_done}" ]; then |
|
|
478 | get_version_warning_done=1 |
| 245 | qeerror "Could not find a Makefile in the kernel source directory." |
479 | qeerror "Could not find a Makefile in the kernel source directory." |
| 246 | qeerror "Please ensure that ${KERNEL_DIR} points to a complete set of Linux sources" |
480 | qeerror "Please ensure that ${KERNEL_DIR} points to a complete set of Linux sources" |
|
|
481 | fi |
| 247 | return 1 |
482 | return 1 |
| 248 | fi |
483 | fi |
| 249 | |
484 | |
| 250 | # OK so now we know our sources directory, but they might be using |
485 | # OK so now we know our sources directory, but they might be using |
| 251 | # KBUILD_OUTPUT, and we need this for .config and localversions-* |
486 | # KBUILD_OUTPUT, and we need this for .config and localversions-* |
| 252 | # so we better find it eh? |
487 | # so we better find it eh? |
| 253 | # do we pass KBUILD_OUTPUT on the CLI? |
488 | # do we pass KBUILD_OUTPUT on the CLI? |
| 254 | OUTPUT_DIR="${OUTPUT_DIR:-${KBUILD_OUTPUT}}" |
489 | OUTPUT_DIR="${OUTPUT_DIR:-${KBUILD_OUTPUT}}" |
| 255 | |
490 | |
|
|
491 | # keep track of it |
|
|
492 | KERNEL_MAKEFILE="${KV_DIR}/Makefile" |
|
|
493 | |
|
|
494 | # Decide the function used to extract makefile variables. |
|
|
495 | mkfunc="$(get_makefile_extract_function "${KERNEL_MAKEFILE}")" |
|
|
496 | |
| 256 | # And if we didn't pass it, we can take a nosey in the Makefile |
497 | # And if we didn't pass it, we can take a nosey in the Makefile |
| 257 | kbuild_output="$(getfilevar KBUILD_OUTPUT ${KV_DIR}/Makefile)" |
498 | kbuild_output="$(${mkfunc} KBUILD_OUTPUT ${KERNEL_MAKEFILE})" |
| 258 | OUTPUT_DIR="${OUTPUT_DIR:-${kbuild_output}}" |
499 | OUTPUT_DIR="${OUTPUT_DIR:-${kbuild_output}}" |
| 259 | |
500 | |
| 260 | # And contrary to existing functions I feel we shouldn't trust the |
501 | # And contrary to existing functions I feel we shouldn't trust the |
| 261 | # directory name to find version information as this seems insane. |
502 | # directory name to find version information as this seems insane. |
| 262 | # so we parse ${KV_DIR}/Makefile |
503 | # so we parse ${KERNEL_MAKEFILE} |
| 263 | KV_MAJOR="$(getfilevar VERSION ${KV_DIR}/Makefile)" |
504 | KV_MAJOR="$(${mkfunc} VERSION ${KERNEL_MAKEFILE})" |
| 264 | KV_MINOR="$(getfilevar PATCHLEVEL ${KV_DIR}/Makefile)" |
505 | KV_MINOR="$(${mkfunc} PATCHLEVEL ${KERNEL_MAKEFILE})" |
| 265 | KV_PATCH="$(getfilevar SUBLEVEL ${KV_DIR}/Makefile)" |
506 | KV_PATCH="$(${mkfunc} SUBLEVEL ${KERNEL_MAKEFILE})" |
| 266 | KV_EXTRA="$(getfilevar EXTRAVERSION ${KV_DIR}/Makefile)" |
507 | KV_EXTRA="$(${mkfunc} EXTRAVERSION ${KERNEL_MAKEFILE})" |
| 267 | |
508 | |
| 268 | if [ -z "${KV_MAJOR}" -o -z "${KV_MINOR}" -o -z "${KV_PATCH}" ] |
509 | if [ -z "${KV_MAJOR}" -o -z "${KV_MINOR}" -o -z "${KV_PATCH}" ] |
| 269 | then |
510 | then |
|
|
511 | if [ -z "${get_version_warning_done}" ]; then |
|
|
512 | get_version_warning_done=1 |
| 270 | qeerror "Could not detect kernel version." |
513 | qeerror "Could not detect kernel version." |
| 271 | qeerror "Please ensure that ${KERNEL_DIR} points to a complete set of Linux sources." |
514 | qeerror "Please ensure that ${KERNEL_DIR} points to a complete set of Linux sources." |
|
|
515 | fi |
| 272 | return 1 |
516 | return 1 |
| 273 | fi |
517 | fi |
| 274 | |
518 | |
| 275 | # and in newer versions we can also pull LOCALVERSION if it is set. |
519 | # and in newer versions we can also pull LOCALVERSION if it is set. |
| 276 | # but before we do this, we need to find if we use a different object directory. |
520 | # but before we do this, we need to find if we use a different object directory. |
| 277 | # This *WILL* break if the user is using localversions, but we assume it was |
521 | # This *WILL* break if the user is using localversions, but we assume it was |
| 278 | # caught before this if they are. |
522 | # caught before this if they are. |
| 279 | [ "${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}.${KV_EXTRA}" == "$(uname -r)" ] && \ |
|
|
| 280 | OUTPUT_DIR="${OUTPUT_DIR:-/lib/modules/${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}.${KV_EXTRA}/build}" |
523 | OUTPUT_DIR="${OUTPUT_DIR:-/lib/modules/${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}${KV_EXTRA}/build}" |
| 281 | |
524 | |
| 282 | [ -h "${OUTPUT_DIR}" ] && KV_OUT_DIR="$(readlink -f ${OUTPUT_DIR})" |
525 | [ -h "${OUTPUT_DIR}" ] && KV_OUT_DIR="$(readlink -f ${OUTPUT_DIR})" |
| 283 | [ -d "${OUTPUT_DIR}" ] && KV_OUT_DIR="${OUTPUT_DIR}" |
526 | [ -d "${OUTPUT_DIR}" ] && KV_OUT_DIR="${OUTPUT_DIR}" |
| 284 | if [ -n "${KV_OUT_DIR}" ]; |
527 | if [ -n "${KV_OUT_DIR}" ]; |
| 285 | then |
528 | then |
| 286 | qeinfo "Found kernel object directory:" |
529 | qeinfo "Found kernel object directory:" |
| 287 | qeinfo " ${KV_OUT_DIR}" |
530 | qeinfo " ${KV_OUT_DIR}" |
| 288 | |
|
|
| 289 | KV_LOCAL="$(get_localversion ${KV_OUT_DIR})" |
|
|
| 290 | fi |
531 | fi |
| 291 | # and if we STILL haven't got it, then we better just set it to KV_DIR |
532 | # and if we STILL have not got it, then we better just set it to KV_DIR |
| 292 | KV_OUT_DIR="${KV_OUT_DIR:-${KV_DIR}}" |
533 | KV_OUT_DIR="${KV_OUT_DIR:-${KV_DIR}}" |
| 293 | |
534 | |
| 294 | KV_LOCAL="${KV_LOCAL}$(get_localversion ${KV_OUT_DIR})" |
535 | # Grab the kernel release from the output directory. |
| 295 | KV_LOCAL="${KV_LOCAL}$(linux_chkconfig_string LOCALVERSION)" |
536 | # TODO: we MUST detect kernel.release being out of date, and 'return 1' from |
| 296 | KV_LOCAL="${KV_LOCAL//\"/}" |
537 | # this function. |
|
|
538 | if [ -s "${KV_OUT_DIR}"/include/config/kernel.release ]; then |
|
|
539 | KV_LOCAL=$(<"${KV_OUT_DIR}"/include/config/kernel.release) |
|
|
540 | elif [ -s "${KV_OUT_DIR}"/.kernelrelease ]; then |
|
|
541 | KV_LOCAL=$(<"${KV_OUT_DIR}"/.kernelrelease) |
|
|
542 | else |
|
|
543 | KV_LOCAL= |
|
|
544 | fi |
|
|
545 | |
|
|
546 | # KV_LOCAL currently contains the full release; discard the first bits. |
|
|
547 | tmplocal=${KV_LOCAL#${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}${KV_EXTRA}} |
|
|
548 | |
|
|
549 | # If the updated local version was not changed, the tree is not prepared. |
|
|
550 | # Clear out KV_LOCAL in that case. |
|
|
551 | # TODO: this does not detect a change in the localversion part between |
|
|
552 | # kernel.release and the value that would be generated. |
|
|
553 | if [ "$KV_LOCAL" = "$tmplocal" ]; then |
|
|
554 | KV_LOCAL= |
|
|
555 | else |
|
|
556 | KV_LOCAL=$tmplocal |
|
|
557 | fi |
| 297 | |
558 | |
| 298 | # And we should set KV_FULL to the full expanded version |
559 | # And we should set KV_FULL to the full expanded version |
| 299 | KV_FULL="${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}${KV_EXTRA}${KV_LOCAL}" |
560 | KV_FULL="${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}${KV_EXTRA}${KV_LOCAL}" |
| 300 | |
561 | |
| 301 | qeinfo "Found sources for kernel version:" |
562 | qeinfo "Found sources for kernel version:" |
| 302 | qeinfo " ${KV_FULL}" |
563 | qeinfo " ${KV_FULL}" |
| 303 | |
564 | |
| 304 | if [ ! -s "${KV_OUT_DIR}/.config" ] |
|
|
| 305 | then |
|
|
| 306 | qeerror "Could not find a usable .config in the kernel source directory." |
|
|
| 307 | qeerror "Please ensure that ${KERNEL_DIR} points to a configured set of Linux sources." |
|
|
| 308 | qeerror "If you are using KBUILD_OUTPUT, please set the environment var so that" |
|
|
| 309 | qeerror "it points to the necessary object directory so that it might find .config." |
|
|
| 310 | return 1 |
|
|
| 311 | fi |
|
|
| 312 | |
|
|
| 313 | return 0 |
565 | return 0 |
| 314 | } |
566 | } |
| 315 | |
567 | |
|
|
568 | # @FUNCTION: get_running_version |
|
|
569 | # @DESCRIPTION: |
|
|
570 | # It gets the version of the current running kernel and the result is the same as get_version() if the |
|
|
571 | # function can find the sources. |
| 316 | get_running_version() { |
572 | get_running_version() { |
| 317 | KV_FULL=$(uname -r) |
573 | KV_FULL=$(uname -r) |
| 318 | |
574 | |
|
|
575 | if [[ -f ${ROOT}/lib/modules/${KV_FULL}/source/Makefile && -f ${ROOT}/lib/modules/${KV_FULL}/build/Makefile ]]; then |
|
|
576 | KERNEL_DIR=$(readlink -f ${ROOT}/lib/modules/${KV_FULL}/source) |
|
|
577 | KBUILD_OUTPUT=$(readlink -f ${ROOT}/lib/modules/${KV_FULL}/build) |
|
|
578 | unset KV_FULL |
|
|
579 | get_version |
|
|
580 | return $? |
| 319 | if [[ -f ${ROOT}/lib/modules/${KV_FULL}/source/Makefile ]]; then |
581 | elif [[ -f ${ROOT}/lib/modules/${KV_FULL}/source/Makefile ]]; then |
| 320 | KERNEL_DIR=$(readlink -f ${ROOT}/lib/modules/${KV_FULL}/source) |
582 | KERNEL_DIR=$(readlink -f ${ROOT}/lib/modules/${KV_FULL}/source) |
| 321 | unset KV_FULL |
583 | unset KV_FULL |
| 322 | get_version |
584 | get_version |
| 323 | return $? |
585 | return $? |
| 324 | elif [[ -f ${ROOT}/lib/modules/${KV_FULL}/build/Makefile ]]; then |
586 | elif [[ -f ${ROOT}/lib/modules/${KV_FULL}/build/Makefile ]]; then |
| … | |
… | |
| 327 | get_version |
589 | get_version |
| 328 | return $? |
590 | return $? |
| 329 | else |
591 | else |
| 330 | KV_MAJOR=$(get_version_component_range 1 ${KV_FULL}) |
592 | KV_MAJOR=$(get_version_component_range 1 ${KV_FULL}) |
| 331 | KV_MINOR=$(get_version_component_range 2 ${KV_FULL}) |
593 | KV_MINOR=$(get_version_component_range 2 ${KV_FULL}) |
| 332 | KV_PATCH=$(get_version_component_range 3- ${KV_FULL}) |
594 | KV_PATCH=$(get_version_component_range 3 ${KV_FULL}) |
| 333 | KV_PATCH=${KV_PATCH//-*} |
595 | KV_PATCH=${KV_PATCH//-*} |
| 334 | [[ -n ${KV_FULL#*-} ]] && [[ -n ${KV_FULL//${KV_FULL#*-}} ]] \ |
596 | KV_EXTRA="${KV_FULL#${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}}" |
| 335 | && KV_EXTRA="-${KV_FULL#*-}" |
|
|
| 336 | fi |
597 | fi |
| 337 | return 0 |
598 | return 0 |
|
|
599 | } |
|
|
600 | |
|
|
601 | # This next function is named with the eclass prefix to avoid conflicts with |
|
|
602 | # some old versionator-like eclass functions. |
|
|
603 | |
|
|
604 | # @FUNCTION: linux-info_get_any_version |
|
|
605 | # @DESCRIPTION: |
|
|
606 | # This attempts to find the version of the sources, and otherwise falls back to |
|
|
607 | # the version of the running kernel. |
|
|
608 | linux-info_get_any_version() { |
|
|
609 | get_version |
|
|
610 | if [[ $? -ne 0 ]]; then |
|
|
611 | ewarn "Unable to calculate Linux Kernel version for build, attempting to use running version" |
|
|
612 | get_running_version |
|
|
613 | fi |
| 338 | } |
614 | } |
| 339 | |
615 | |
| 340 | |
616 | |
| 341 | # ebuild check functions |
617 | # ebuild check functions |
| 342 | # --------------------------------------- |
618 | # --------------------------------------- |
| 343 | |
619 | |
|
|
620 | # @FUNCTION: check_kernel_built |
|
|
621 | # @DESCRIPTION: |
|
|
622 | # This function verifies that the current kernel sources have been already prepared otherwise it dies. |
| 344 | check_kernel_built() { |
623 | check_kernel_built() { |
| 345 | # if we haven't determined the version yet, we need too. |
624 | # if we haven't determined the version yet, we need to |
|
|
625 | require_configured_kernel |
| 346 | get_version; |
626 | get_version |
| 347 | |
627 | |
|
|
628 | local versionh_path |
|
|
629 | if kernel_is -ge 3 7; then |
|
|
630 | versionh_path="include/generated/uapi/linux/version.h" |
|
|
631 | else |
|
|
632 | versionh_path="include/linux/version.h" |
|
|
633 | fi |
|
|
634 | |
| 348 | if [ ! -f "${KV_OUT_DIR}/include/linux/version.h" ] |
635 | if [ ! -f "${KV_OUT_DIR}/${versionh_path}" ] |
| 349 | then |
636 | then |
| 350 | eerror "These sources have not yet been prepared." |
637 | eerror "These sources have not yet been prepared." |
| 351 | eerror "We cannot build against an unprepared tree." |
638 | eerror "We cannot build against an unprepared tree." |
| 352 | eerror "To resolve this, please type the following:" |
639 | eerror "To resolve this, please type the following:" |
| 353 | eerror |
640 | eerror |
| … | |
… | |
| 358 | eerror "Then please try merging this module again." |
645 | eerror "Then please try merging this module again." |
| 359 | die "Kernel sources need compiling first" |
646 | die "Kernel sources need compiling first" |
| 360 | fi |
647 | fi |
| 361 | } |
648 | } |
| 362 | |
649 | |
|
|
650 | # @FUNCTION: check_modules_supported |
|
|
651 | # @DESCRIPTION: |
|
|
652 | # This function verifies that the current kernel support modules (it checks CONFIG_MODULES=y) otherwise it dies. |
| 363 | check_modules_supported() { |
653 | check_modules_supported() { |
| 364 | # if we haven't determined the version yet, we need too. |
654 | # if we haven't determined the version yet, we need too. |
|
|
655 | require_configured_kernel |
| 365 | get_version; |
656 | get_version |
| 366 | |
657 | |
| 367 | if ! linux_chkconfig_builtin "MODULES" |
658 | if ! linux_chkconfig_builtin "MODULES" |
| 368 | then |
659 | then |
| 369 | eerror "These sources do not support loading external modules." |
660 | eerror "These sources do not support loading external modules." |
| 370 | eerror "to be able to use this module please enable \"Loadable modules support\"" |
661 | eerror "to be able to use this module please enable \"Loadable modules support\"" |
| 371 | eerror "in your kernel, recompile and then try merging this module again." |
662 | eerror "in your kernel, recompile and then try merging this module again." |
| 372 | die "No support for external modules in ${KV_FULL} config" |
663 | die "No support for external modules in ${KV_FULL} config" |
| 373 | fi |
664 | fi |
| 374 | } |
665 | } |
| 375 | |
666 | |
|
|
667 | # @FUNCTION: check_extra_config |
|
|
668 | # @DESCRIPTION: |
|
|
669 | # It checks the kernel config options specified by CONFIG_CHECK. It dies only when a required config option (i.e. |
|
|
670 | # the prefix ~ is not used) doesn't satisfy the directive. |
| 376 | check_extra_config() { |
671 | check_extra_config() { |
| 377 | local config negate error local_error i n |
|
|
| 378 | local temp_config die reworkmodulenames |
672 | local config negate die error reworkmodulenames |
|
|
673 | local soft_errors_count=0 hard_errors_count=0 config_required=0 |
|
|
674 | # store the value of the QA check, because otherwise we won't catch usages |
|
|
675 | # after if check_extra_config is called AND other direct calls are done |
|
|
676 | # later. |
|
|
677 | local old_LINUX_CONFIG_EXISTS_DONE="${_LINUX_CONFIG_EXISTS_DONE}" |
| 379 | |
678 | |
| 380 | # if we haven't determined the version yet, we need too. |
679 | # if we haven't determined the version yet, we need to |
| 381 | get_version; |
680 | linux-info_get_any_version |
| 382 | |
681 | |
|
|
682 | # Determine if we really need a .config. The only time when we don't need |
|
|
683 | # one is when all of the CONFIG_CHECK options are prefixed with "~". |
|
|
684 | for config in ${CONFIG_CHECK} |
|
|
685 | do |
|
|
686 | if [[ "${config:0:1}" != "~" ]]; then |
|
|
687 | config_required=1 |
|
|
688 | break |
|
|
689 | fi |
|
|
690 | done |
|
|
691 | |
|
|
692 | if [[ ${config_required} == 0 ]]; then |
|
|
693 | # In the case where we don't require a .config, we can now bail out |
|
|
694 | # if the user has no .config as there is nothing to do. Otherwise |
|
|
695 | # code later will cause a failure due to missing .config. |
|
|
696 | if ! linux_config_exists; then |
|
|
697 | ewarn "Unable to check for the following kernel config options due" |
|
|
698 | ewarn "to absence of any configured kernel sources or compiled" |
|
|
699 | ewarn "config:" |
|
|
700 | for config in ${CONFIG_CHECK}; do |
|
|
701 | local_error="ERROR_${config#\~}" |
|
|
702 | msg="${!local_error}" |
|
|
703 | if [[ "x${msg}" == "x" ]]; then |
|
|
704 | local_error="WARNING_${config#\~}" |
|
|
705 | msg="${!local_error}" |
|
|
706 | fi |
|
|
707 | ewarn " - ${config#\~}${msg:+ - }${msg}" |
|
|
708 | done |
|
|
709 | ewarn "You're on your own to make sure they are set if needed." |
|
|
710 | export LINUX_CONFIG_EXISTS_DONE="${old_LINUX_CONFIG_EXISTS_DONE}" |
|
|
711 | return 0 |
|
|
712 | fi |
|
|
713 | else |
|
|
714 | require_configured_kernel |
|
|
715 | fi |
|
|
716 | |
| 383 | einfo "Checking for suitable kernel configuration options:" |
717 | einfo "Checking for suitable kernel configuration options..." |
|
|
718 | |
| 384 | for config in ${CONFIG_CHECK} |
719 | for config in ${CONFIG_CHECK} |
| 385 | do |
720 | do |
| 386 | # if we specify any fatal, ensure we honor them |
721 | # if we specify any fatal, ensure we honor them |
| 387 | die=1 |
722 | die=1 |
| 388 | error=0 |
723 | error=0 |
| 389 | negate=0 |
724 | negate=0 |
| 390 | reworkmodulenames=0 |
725 | reworkmodulenames=0 |
| 391 | |
726 | |
| 392 | if [[ -z ${config//\!*} ]]; then |
727 | if [[ ${config:0:1} == "~" ]]; then |
| 393 | negate=1 |
728 | die=0 |
| 394 | config=${config:1} |
729 | config=${config:1} |
| 395 | fi |
730 | elif [[ ${config:0:1} == "@" ]]; then |
| 396 | if [[ -z ${config/\@*} ]]; then |
|
|
| 397 | die=2 |
731 | die=0 |
| 398 | reworkmodulenames=1 |
732 | reworkmodulenames=1 |
| 399 | config=${config:1} |
733 | config=${config:1} |
| 400 | fi |
734 | fi |
| 401 | if [[ -z ${config/\~*} ]]; then |
735 | if [[ ${config:0:1} == "!" ]]; then |
| 402 | die=0 |
736 | negate=1 |
| 403 | config=${config:1} |
737 | config=${config:1} |
| 404 | fi |
738 | fi |
| 405 | |
739 | |
| 406 | if [[ ${negate} == 1 ]]; then |
740 | if [[ ${negate} == 1 ]]; then |
| 407 | linux_chkconfig_present ${config} && error=2 |
741 | linux_chkconfig_present ${config} && error=2 |
| 408 | elif [[ ${reworkmodulenames} == 1 ]]; then |
742 | elif [[ ${reworkmodulenames} == 1 ]]; then |
| 409 | temp_config="${config//*:}" |
743 | local temp_config="${config//*:}" i n |
| 410 | config="${config//:*}" |
744 | config="${config//:*}" |
| 411 | if linux_chkconfig_present ${config}; then |
745 | if linux_chkconfig_present ${config}; then |
| 412 | for i in ${MODULE_NAMES}; do |
746 | for i in ${MODULE_NAMES}; do |
| 413 | n="${i//${temp_config}}" |
747 | n="${i//${temp_config}}" |
| 414 | [[ -z ${n//(*} ]] && \ |
748 | [[ -z ${n//\(*} ]] && \ |
| 415 | MODULE_IGNORE="${MODULE_IGNORE} ${temp_config}" |
749 | MODULE_IGNORE="${MODULE_IGNORE} ${temp_config}" |
| 416 | done |
750 | done |
| 417 | error=2 |
751 | error=2 |
| 418 | fi |
752 | fi |
| 419 | else |
753 | else |
| 420 | linux_chkconfig_present ${config} || error=1 |
754 | linux_chkconfig_present ${config} || error=1 |
| 421 | fi |
755 | fi |
| 422 | |
756 | |
| 423 | if [[ ${die} == 0 ]]; then |
|
|
| 424 | ebegin "CONFIG_${config}" |
|
|
| 425 | eend ${error} |
|
|
| 426 | else |
|
|
| 427 | if [[ ${error} > 0 ]]; then |
757 | if [[ ${error} > 0 ]]; then |
|
|
758 | local report_func="eerror" local_error |
|
|
759 | local_error="ERROR_${config}" |
|
|
760 | local_error="${!local_error}" |
|
|
761 | |
|
|
762 | if [[ -z "${local_error}" ]]; then |
|
|
763 | # using old, deprecated format. |
| 428 | local_error="${config}_ERROR" |
764 | local_error="${config}_ERROR" |
| 429 | local_error="${!local_error}" |
765 | local_error="${!local_error}" |
|
|
766 | fi |
|
|
767 | if [[ ${die} == 0 && -z "${local_error}" ]]; then |
|
|
768 | #soft errors can be warnings |
|
|
769 | local_error="WARNING_${config}" |
|
|
770 | local_error="${!local_error}" |
| 430 | if [[ -z "${local_error}" ]]; then |
771 | if [[ -n "${local_error}" ]] ; then |
| 431 | [[ ${error} == 1 ]] \ |
772 | report_func="ewarn" |
| 432 | && local_error="is not set when it should be." \ |
|
|
| 433 | || local_error="should not be set. But it is." |
|
|
| 434 | local_error="CONFIG_${config}:\t ${local_error}" |
|
|
| 435 | fi |
773 | fi |
| 436 | eerror " ${local_error}" |
|
|
| 437 | fi |
774 | fi |
|
|
775 | |
|
|
776 | if [[ -z "${local_error}" ]]; then |
|
|
777 | [[ ${error} == 1 ]] \ |
|
|
778 | && local_error="is not set when it should be." \ |
|
|
779 | || local_error="should not be set. But it is." |
|
|
780 | local_error="CONFIG_${config}:\t ${local_error}" |
|
|
781 | fi |
|
|
782 | if [[ ${die} == 0 ]]; then |
|
|
783 | ${report_func} " ${local_error}" |
|
|
784 | soft_errors_count=$[soft_errors_count + 1] |
|
|
785 | else |
|
|
786 | ${report_func} " ${local_error}" |
|
|
787 | hard_errors_count=$[hard_errors_count + 1] |
|
|
788 | fi |
| 438 | fi |
789 | fi |
| 439 | done |
790 | done |
| 440 | |
791 | |
| 441 | if [[ ${error} > 0 ]]; then |
792 | if [[ ${hard_errors_count} > 0 ]]; then |
| 442 | eerror "Please check to make sure these options are set correctly." |
793 | eerror "Please check to make sure these options are set correctly." |
| 443 | eerror "Failure to do so may cause unexpected problems." |
794 | eerror "Failure to do so may cause unexpected problems." |
| 444 | if [[ ${die} == 1 ]]; then |
|
|
| 445 | eerror "Once you have satisfied these options, please try merging" |
795 | eerror "Once you have satisfied these options, please try merging" |
| 446 | eerror "this package again." |
796 | eerror "this package again." |
|
|
797 | export LINUX_CONFIG_EXISTS_DONE="${old_LINUX_CONFIG_EXISTS_DONE}" |
| 447 | die "Incorrect kernel configuration options" |
798 | die "Incorrect kernel configuration options" |
|
|
799 | elif [[ ${soft_errors_count} > 0 ]]; then |
|
|
800 | ewarn "Please check to make sure these options are set correctly." |
|
|
801 | ewarn "Failure to do so may cause unexpected problems." |
|
|
802 | else |
|
|
803 | eend 0 |
| 448 | fi |
804 | fi |
| 449 | fi |
805 | export LINUX_CONFIG_EXISTS_DONE="${old_LINUX_CONFIG_EXISTS_DONE}" |
| 450 | } |
806 | } |
| 451 | |
807 | |
| 452 | check_zlibinflate() { |
808 | check_zlibinflate() { |
| 453 | # if we haven't determined the version yet, we need too. |
809 | # if we haven't determined the version yet, we need to |
|
|
810 | require_configured_kernel |
| 454 | get_version; |
811 | get_version |
| 455 | |
812 | |
| 456 | # although I restructured this code - I really really really dont support it! |
813 | # although I restructured this code - I really really really dont support it! |
| 457 | |
814 | |
| 458 | # bug #27882 - zlib routines are only linked into the kernel |
815 | # bug #27882 - zlib routines are only linked into the kernel |
| 459 | # if something compiled into the kernel calls them |
816 | # if something compiled into the kernel calls them |
| … | |
… | |
| 466 | local DEFLATE |
823 | local DEFLATE |
| 467 | |
824 | |
| 468 | einfo "Determining the usability of ZLIB_INFLATE support in your kernel" |
825 | einfo "Determining the usability of ZLIB_INFLATE support in your kernel" |
| 469 | |
826 | |
| 470 | ebegin "checking ZLIB_INFLATE" |
827 | ebegin "checking ZLIB_INFLATE" |
| 471 | getfilevar_isbuiltin CONFIG_ZLIB_INFLATE ${KV_DIR}/.config |
828 | linux_chkconfig_builtin CONFIG_ZLIB_INFLATE |
| 472 | eend $? |
829 | eend $? |
| 473 | [ "$?" != 0 ] && die |
830 | [ "$?" != 0 ] && die |
| 474 | |
831 | |
| 475 | ebegin "checking ZLIB_DEFLATE" |
832 | ebegin "checking ZLIB_DEFLATE" |
| 476 | getfilevar_isbuiltin CONFIG_ZLIB_DEFLATE ${KV_DIR}/.config |
833 | linux_chkconfig_builtin CONFIG_ZLIB_DEFLATE |
| 477 | eend $? |
834 | eend $? |
| 478 | [ "$?" != 0 ] && die |
835 | [ "$?" != 0 ] && die |
| 479 | |
836 | |
| 480 | local LINENO_START |
837 | local LINENO_START |
| 481 | local LINENO_END |
838 | local LINENO_END |
| … | |
… | |
| 519 | } |
876 | } |
| 520 | |
877 | |
| 521 | ################################ |
878 | ################################ |
| 522 | # Default pkg_setup |
879 | # Default pkg_setup |
| 523 | # Also used when inheriting linux-mod to force a get_version call |
880 | # Also used when inheriting linux-mod to force a get_version call |
| 524 | |
881 | # @FUNCTION: linux-info_pkg_setup |
|
|
882 | # @DESCRIPTION: |
|
|
883 | # Force a get_version() call when inherited from linux-mod.eclass and then check if the kernel is configured |
|
|
884 | # to support the options specified in CONFIG_CHECK (if not null) |
| 525 | linux-info_pkg_setup() { |
885 | linux-info_pkg_setup() { |
| 526 | get_version || die "Unable to calculate Linux Kernel version" |
886 | linux-info_get_any_version |
|
|
887 | |
|
|
888 | if kernel_is 2 4; then |
|
|
889 | if [ "$( gcc-major-version )" -eq "4" ] ; then |
|
|
890 | echo |
|
|
891 | ewarn "Be warned !! >=sys-devel/gcc-4.0.0 isn't supported with" |
|
|
892 | ewarn "linux-2.4 (or modules building against a linux-2.4 kernel)!" |
|
|
893 | echo |
|
|
894 | ewarn "Either switch to another gcc-version (via gcc-config) or use a" |
|
|
895 | ewarn "newer kernel that supports gcc-4." |
|
|
896 | echo |
|
|
897 | ewarn "Also be aware that bugreports about gcc-4 not working" |
|
|
898 | ewarn "with linux-2.4 based ebuilds will be closed as INVALID!" |
|
|
899 | echo |
|
|
900 | epause 10 |
|
|
901 | fi |
|
|
902 | fi |
|
|
903 | |
| 527 | [ -n "${CONFIG_CHECK}" ] && check_extra_config; |
904 | [ -n "${CONFIG_CHECK}" ] && check_extra_config; |
| 528 | } |
905 | } |
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