| 1 | # Copyright 1999-2006 Gentoo Foundation |
1 | # Copyright 1999-2011 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 1.62 2009/09/06 22:54:58 robbat2 Exp $ |
3 | # $Header: /var/cvsroot/gentoo-x86/eclass/linux-info.eclass,v 1.91 2011/12/12 22:01:37 vapier Exp $ |
| 4 | # |
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| 5 | # Original author: John Mylchreest <johnm@gentoo.org> |
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| 6 | # Maintainer: kernel-misc@gentoo.org |
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| 7 | # |
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| 8 | # Please direct your bugs to the current eclass maintainer :) |
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| 9 | |
4 | |
| 10 | # @ECLASS: linux-info.eclass |
5 | # @ECLASS: linux-info.eclass |
| 11 | # @MAINTAINER: |
6 | # @MAINTAINER: |
| 12 | # kernel-misc@gentoo.org |
7 | # kernel-misc@gentoo.org |
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8 | # @AUTHOR: |
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9 | # Original author: John Mylchreest <johnm@gentoo.org> |
| 13 | # @BLURB: eclass used for accessing kernel related information |
10 | # @BLURB: eclass used for accessing kernel related information |
| 14 | # @DESCRIPTION: |
11 | # @DESCRIPTION: |
| 15 | # This eclass is used as a central eclass for accessing kernel |
12 | # This eclass is used as a central eclass for accessing kernel |
| 16 | # related information for source or binary already installed. |
13 | # related information for source or binary already installed. |
| 17 | # It is vital for linux-mod.eclass to function correctly, and is split |
14 | # It is vital for linux-mod.eclass to function correctly, and is split |
| … | |
… | |
| 40 | # You can also check that an option doesn't exist by |
37 | # You can also check that an option doesn't exist by |
| 41 | # prepending it with an exclamation mark (!). |
38 | # prepending it with an exclamation mark (!). |
| 42 | # |
39 | # |
| 43 | # e.g.: CONFIG_CHECK="!MTRR" |
40 | # e.g.: CONFIG_CHECK="!MTRR" |
| 44 | # |
41 | # |
| 45 | # To simply warn about a missing option, prepend a '~'. |
42 | # To simply warn about a missing option, prepend a '~'. |
| 46 | # It may be combined with '!'. |
43 | # It may be combined with '!'. |
| 47 | # |
44 | # |
| 48 | # In general, most checks should be non-fatal. The only time fatal checks should |
45 | # In general, most checks should be non-fatal. The only time fatal checks should |
| 49 | # be used is for building kernel modules or cases that a compile will fail |
46 | # be used is for building kernel modules or cases that a compile will fail |
| 50 | # without the option. |
47 | # without the option. |
| … | |
… | |
| 99 | # @ECLASS-VARIABLE: KV_OUT_DIR |
96 | # @ECLASS-VARIABLE: KV_OUT_DIR |
| 100 | # @DESCRIPTION: |
97 | # @DESCRIPTION: |
| 101 | # A read-only variable. It's a string containing the kernel object directory, will be KV_DIR unless |
98 | # A read-only variable. It's a string containing the kernel object directory, will be KV_DIR unless |
| 102 | # KBUILD_OUTPUT is used. This should be used for referencing .config. |
99 | # KBUILD_OUTPUT is used. This should be used for referencing .config. |
| 103 | |
100 | |
| 104 | # @ECLASS-VARIABLE: I_KNOW_WHAT_I_AM_DOING |
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| 105 | # @DESCRIPTION: |
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| 106 | # Temporary variable for the migration to making linux-info non-fatal. |
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| 107 | |
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| 108 | # And to ensure all the weirdness with crosscompile |
101 | # And to ensure all the weirdness with crosscompile |
| 109 | inherit toolchain-funcs versionator |
102 | inherit toolchain-funcs versionator |
| 110 | |
103 | |
| 111 | EXPORT_FUNCTIONS pkg_setup |
104 | EXPORT_FUNCTIONS pkg_setup |
| 112 | |
105 | |
| 113 | DEPEND="kernel_linux? ( virtual/linux-sources )" |
106 | DEPEND="" |
| 114 | RDEPEND="" |
107 | RDEPEND="" |
| 115 | |
108 | |
| 116 | # Overwritable environment Var's |
109 | # Overwritable environment Var's |
| 117 | # --------------------------------------- |
110 | # --------------------------------------- |
| 118 | KERNEL_DIR="${KERNEL_DIR:-${ROOT}usr/src/linux}" |
111 | KERNEL_DIR="${KERNEL_DIR:-${ROOT}usr/src/linux}" |
| … | |
… | |
| 150 | esac |
143 | esac |
| 151 | [ -n "${outputmsg}" ] && ${type} "${outputmsg}" |
144 | [ -n "${outputmsg}" ] && ${type} "${outputmsg}" |
| 152 | } |
145 | } |
| 153 | |
146 | |
| 154 | qeinfo() { qout einfo "${@}" ; } |
147 | qeinfo() { qout einfo "${@}" ; } |
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148 | qewarn() { qout ewarn "${@}" ; } |
| 155 | qeerror() { qout eerror "${@}" ; } |
149 | qeerror() { qout eerror "${@}" ; } |
| 156 | |
150 | |
| 157 | # File Functions |
151 | # File Functions |
| 158 | # --------------------------------------- |
152 | # --------------------------------------- |
| 159 | |
153 | |
| … | |
… | |
| 200 | ERROR=0 |
194 | ERROR=0 |
| 201 | mycat='cat' |
195 | mycat='cat' |
| 202 | |
196 | |
| 203 | [ -z "${1}" ] && ERROR=1 |
197 | [ -z "${1}" ] && ERROR=1 |
| 204 | [ ! -f "${2}" ] && ERROR=1 |
198 | [ ! -f "${2}" ] && ERROR=1 |
| 205 | [ "${2#.gz}" != "${2}" ] && mycat='zcat' |
199 | [ "${2%.gz}" != "${2}" ] && mycat='zcat' |
| 206 | |
200 | |
| 207 | if [ "${ERROR}" = 1 ] |
201 | if [ "${ERROR}" = 1 ] |
| 208 | then |
202 | then |
| 209 | echo -e "\n" |
203 | echo -e "\n" |
| 210 | eerror "getfilevar_noexec requires 2 variables, with the second a valid file." |
204 | eerror "getfilevar_noexec requires 2 variables, with the second a valid file." |
| 211 | eerror " getfilevar_noexec <VARIABLE> <CONFIGFILE>" |
205 | eerror " getfilevar_noexec <VARIABLE> <CONFIGFILE>" |
| 212 | else |
206 | else |
| 213 | ${mycat} "${2}" | \ |
207 | ${mycat} "${2}" | \ |
| 214 | sed -n \ |
208 | sed -n \ |
| 215 | -e "/^[[:space:]]*${1}[[:space:]]*=[[:space:]]*\(.*\)\$/{ |
209 | -e "/^[[:space:]]*${1}[[:space:]]*:\\?=[[:space:]]*\(.*\)\$/{ |
| 216 | s,^[^=]*[[:space:]]*=[[:space:]]*,,g ; |
210 | s,^[^=]*[[:space:]]*=[[:space:]]*,,g ; |
| 217 | s,[[:space:]]*\$,,g ; |
211 | s,[[:space:]]*\$,,g ; |
| 218 | p |
212 | p |
| 219 | }" |
213 | }" |
| 220 | fi |
214 | fi |
| 221 | } |
215 | } |
| 222 | |
216 | |
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217 | # @ECLASS-VARIABLE: _LINUX_CONFIG_EXISTS_DONE |
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218 | # @INTERNAL |
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219 | # @DESCRIPTION: |
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220 | # This is only set if one of the linux_config_*exists functions has been called. |
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221 | # We use it for a QA warning that the check for a config has not been performed, |
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222 | # as linux_chkconfig* in non-legacy mode WILL return an undefined value if no |
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223 | # config is available at all. |
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224 | _LINUX_CONFIG_EXISTS_DONE= |
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225 | |
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226 | linux_config_qa_check() { |
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227 | local f="$1" |
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228 | if [ -z "${_LINUX_CONFIG_EXISTS_DONE}" ]; then |
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229 | ewarn "QA: You called $f before any linux_config_exists!" |
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230 | ewarn "QA: The return value of $f will NOT guaranteed later!" |
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231 | fi |
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232 | } |
| 223 | |
233 | |
| 224 | # @FUNCTION: linux_config_src_exists |
234 | # @FUNCTION: linux_config_src_exists |
| 225 | # @RETURN: true or false |
235 | # @RETURN: true or false |
| 226 | # @DESCRIPTION: |
236 | # @DESCRIPTION: |
| 227 | # It returns true if .config exists in a build directory otherwise false |
237 | # It returns true if .config exists in a build directory otherwise false |
| 228 | linux_config_src_exists() { |
238 | linux_config_src_exists() { |
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239 | export _LINUX_CONFIG_EXISTS_DONE=1 |
| 229 | [ -s "${KV_OUT_DIR}/.config" ] |
240 | [ -s "${KV_OUT_DIR}/.config" ] |
| 230 | } |
241 | } |
| 231 | |
242 | |
| 232 | # @FUNCTION: linux_config_bin_exists |
243 | # @FUNCTION: linux_config_bin_exists |
| 233 | # @RETURN: true or false |
244 | # @RETURN: true or false |
| 234 | # @DESCRIPTION: |
245 | # @DESCRIPTION: |
| 235 | # It returns true if .config exists in /proc, otherwise false |
246 | # It returns true if .config exists in /proc, otherwise false |
| 236 | linux_config_bin_exists() { |
247 | linux_config_bin_exists() { |
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248 | export _LINUX_CONFIG_EXISTS_DONE=1 |
| 237 | [ -s "/proc/config.gz" ] |
249 | [ -s "/proc/config.gz" ] |
| 238 | } |
250 | } |
| 239 | |
251 | |
| 240 | # @FUNCTION: linux_config_exists |
252 | # @FUNCTION: linux_config_exists |
| 241 | # @RETURN: true or false |
253 | # @RETURN: true or false |
| … | |
… | |
| 268 | # @DESCRIPTION: |
280 | # @DESCRIPTION: |
| 269 | # It checks that CONFIG_<option>=y or CONFIG_<option>=m is present in the current kernel .config |
281 | # It checks that CONFIG_<option>=y or CONFIG_<option>=m is present in the current kernel .config |
| 270 | # If linux_config_exists returns false, the results of this are UNDEFINED. You |
282 | # If linux_config_exists returns false, the results of this are UNDEFINED. You |
| 271 | # MUST call linux_config_exists first. |
283 | # MUST call linux_config_exists first. |
| 272 | linux_chkconfig_present() { |
284 | linux_chkconfig_present() { |
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285 | linux_config_qa_check linux_chkconfig_present |
| 273 | local RESULT |
286 | local RESULT |
| 274 | [ -z "${I_KNOW_WHAT_I_AM_DOING}" ] && require_configured_kernel |
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| 275 | local config |
287 | local config |
| 276 | config="${KV_OUT_DIR}/.config" |
288 | config="${KV_OUT_DIR}/.config" |
| 277 | [ ! -f "${config}" ] && config="/proc/config.gz" |
289 | [ ! -f "${config}" ] && config="/proc/config.gz" |
| 278 | RESULT="$(getfilevar_noexec CONFIG_${1} "${config}")" |
290 | RESULT="$(getfilevar_noexec CONFIG_${1} "${config}")" |
| 279 | [ "${RESULT}" = "m" -o "${RESULT}" = "y" ] && return 0 || return 1 |
291 | [ "${RESULT}" = "m" -o "${RESULT}" = "y" ] && return 0 || return 1 |
| … | |
… | |
| 285 | # @DESCRIPTION: |
297 | # @DESCRIPTION: |
| 286 | # It checks that CONFIG_<option>=m is present in the current kernel .config |
298 | # It checks that CONFIG_<option>=m is present in the current kernel .config |
| 287 | # If linux_config_exists returns false, the results of this are UNDEFINED. You |
299 | # If linux_config_exists returns false, the results of this are UNDEFINED. You |
| 288 | # MUST call linux_config_exists first. |
300 | # MUST call linux_config_exists first. |
| 289 | linux_chkconfig_module() { |
301 | linux_chkconfig_module() { |
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302 | linux_config_qa_check linux_chkconfig_module |
| 290 | local RESULT |
303 | local RESULT |
| 291 | [ -z "${I_KNOW_WHAT_I_AM_DOING}" ] && require_configured_kernel |
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| 292 | local config |
304 | local config |
| 293 | config="${KV_OUT_DIR}/.config" |
305 | config="${KV_OUT_DIR}/.config" |
| 294 | [ ! -f "${config}" ] && config="/proc/config.gz" |
306 | [ ! -f "${config}" ] && config="/proc/config.gz" |
| 295 | RESULT="$(getfilevar_noexec CONFIG_${1} "${config}")" |
307 | RESULT="$(getfilevar_noexec CONFIG_${1} "${config}")" |
| 296 | [ "${RESULT}" = "m" ] && return 0 || return 1 |
308 | [ "${RESULT}" = "m" ] && return 0 || return 1 |
| … | |
… | |
| 302 | # @DESCRIPTION: |
314 | # @DESCRIPTION: |
| 303 | # It checks that CONFIG_<option>=y is present in the current kernel .config |
315 | # It checks that CONFIG_<option>=y is present in the current kernel .config |
| 304 | # If linux_config_exists returns false, the results of this are UNDEFINED. You |
316 | # If linux_config_exists returns false, the results of this are UNDEFINED. You |
| 305 | # MUST call linux_config_exists first. |
317 | # MUST call linux_config_exists first. |
| 306 | linux_chkconfig_builtin() { |
318 | linux_chkconfig_builtin() { |
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319 | linux_config_qa_check linux_chkconfig_builtin |
| 307 | local RESULT |
320 | local RESULT |
| 308 | [ -z "${I_KNOW_WHAT_I_AM_DOING}" ] && require_configured_kernel |
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| 309 | local config |
321 | local config |
| 310 | config="${KV_OUT_DIR}/.config" |
322 | config="${KV_OUT_DIR}/.config" |
| 311 | [ ! -f "${config}" ] && config="/proc/config.gz" |
323 | [ ! -f "${config}" ] && config="/proc/config.gz" |
| 312 | RESULT="$(getfilevar_noexec CONFIG_${1} "${config}")" |
324 | RESULT="$(getfilevar_noexec CONFIG_${1} "${config}")" |
| 313 | [ "${RESULT}" = "y" ] && return 0 || return 1 |
325 | [ "${RESULT}" = "y" ] && return 0 || return 1 |
| … | |
… | |
| 319 | # @DESCRIPTION: |
331 | # @DESCRIPTION: |
| 320 | # It prints the CONFIG_<option> value of the current kernel .config (it requires a configured kernel). |
332 | # It prints the CONFIG_<option> value of the current kernel .config (it requires a configured kernel). |
| 321 | # If linux_config_exists returns false, the results of this are UNDEFINED. You |
333 | # If linux_config_exists returns false, the results of this are UNDEFINED. You |
| 322 | # MUST call linux_config_exists first. |
334 | # MUST call linux_config_exists first. |
| 323 | linux_chkconfig_string() { |
335 | linux_chkconfig_string() { |
| 324 | [ -z "${I_KNOW_WHAT_I_AM_DOING}" ] && require_configured_kernel |
336 | linux_config_qa_check linux_chkconfig_string |
| 325 | local config |
337 | local config |
| 326 | config="${KV_OUT_DIR}/.config" |
338 | config="${KV_OUT_DIR}/.config" |
| 327 | [ ! -f "${config}" ] && config="/proc/config.gz" |
339 | [ ! -f "${config}" ] && config="/proc/config.gz" |
| 328 | getfilevar_noexec "CONFIG_${1}" "${config}" |
340 | getfilevar_noexec "CONFIG_${1}" "${config}" |
| 329 | } |
341 | } |
| … | |
… | |
| 345 | # kernel_is 2 6 returns true |
357 | # kernel_is 2 6 returns true |
| 346 | # kernel_is 2 6 8 returns false |
358 | # kernel_is 2 6 8 returns false |
| 347 | # kernel_is 2 6 9 returns true |
359 | # kernel_is 2 6 9 returns true |
| 348 | # @CODE |
360 | # @CODE |
| 349 | |
361 | |
| 350 | # got the jist yet? |
362 | # Note: duplicated in kernel-2.eclass |
| 351 | |
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| 352 | kernel_is() { |
363 | kernel_is() { |
| 353 | # if we haven't determined the version yet, we need to. |
364 | # if we haven't determined the version yet, we need to. |
| 354 | get_version |
365 | linux-info_get_any_version |
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366 | |
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367 | # Now we can continue |
| 355 | local operator test value x=0 y=0 z=0 |
368 | local operator test value |
| 356 | |
369 | |
| 357 | case ${1} in |
370 | case ${1#-} in |
| 358 | lt) operator="-lt"; shift;; |
371 | lt) operator="-lt"; shift;; |
| 359 | gt) operator="-gt"; shift;; |
372 | gt) operator="-gt"; shift;; |
| 360 | le) operator="-le"; shift;; |
373 | le) operator="-le"; shift;; |
| 361 | ge) operator="-ge"; shift;; |
374 | ge) operator="-ge"; shift;; |
| 362 | eq) operator="-eq"; shift;; |
375 | eq) operator="-eq"; shift;; |
| 363 | *) operator="-eq";; |
376 | *) operator="-eq";; |
| 364 | esac |
377 | esac |
| 365 | |
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| 366 | for x in ${@}; do |
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| 367 | for((y=0; y<$((3 - ${#x})); y++)); do value="${value}0"; done |
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| 368 | value="${value}${x}" |
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| 369 | z=$((${z} + 1)) |
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| 370 | |
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| 371 | case ${z} in |
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| 372 | 1) for((y=0; y<$((3 - ${#KV_MAJOR})); y++)); do test="${test}0"; done; |
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| 373 | test="${test}${KV_MAJOR}";; |
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| 374 | 2) for((y=0; y<$((3 - ${#KV_MINOR})); y++)); do test="${test}0"; done; |
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| 375 | test="${test}${KV_MINOR}";; |
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| 376 | 3) for((y=0; y<$((3 - ${#KV_PATCH})); y++)); do test="${test}0"; done; |
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| 377 | test="${test}${KV_PATCH}";; |
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| 378 | *) die "Error in kernel-2_kernel_is(): Too many parameters.";; |
378 | [[ $# -gt 3 ]] && die "Error in kernel-2_kernel_is(): too many parameters" |
| 379 | esac |
379 | |
| 380 | done |
380 | : $(( test = (KV_MAJOR << 16) + (KV_MINOR << 8) + KV_PATCH )) |
| 381 | |
381 | : $(( value = (${1:-${KV_MAJOR}} << 16) + (${2:-${KV_MINOR}} << 8) + ${3:-${KV_PATCH}} )) |
| 382 | [ ${test} ${operator} ${value} ] && return 0 || return 1 |
382 | [ ${test} ${operator} ${value} ] |
| 383 | } |
383 | } |
| 384 | |
384 | |
| 385 | get_localversion() { |
385 | get_localversion() { |
| 386 | local lv_list i x |
386 | local lv_list i x |
| 387 | |
387 | |
| … | |
… | |
| 395 | done |
395 | done |
| 396 | x=${x/ /} |
396 | x=${x/ /} |
| 397 | echo ${x} |
397 | echo ${x} |
| 398 | } |
398 | } |
| 399 | |
399 | |
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400 | # Check if the Makefile is valid for direct parsing. |
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401 | # Check status results: |
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402 | # - PASS, use 'getfilevar' to extract values |
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403 | # - FAIL, use 'getfilevar_noexec' to extract values |
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404 | # The check may fail if: |
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405 | # - make is not present |
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406 | # - corruption exists in the kernel makefile |
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407 | get_makefile_extract_function() { |
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408 | local a='' b='' mkfunc='getfilevar' |
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409 | a="$(getfilevar VERSION ${KERNEL_MAKEFILE})" |
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410 | b="$(getfilevar_noexec VERSION ${KERNEL_MAKEFILE})" |
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411 | [[ "${a}" != "${b}" ]] && mkfunc='getfilevar_noexec' |
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412 | echo "${mkfunc}" |
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413 | } |
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414 | |
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415 | # internal variable, so we know to only print the warning once |
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416 | get_version_warning_done= |
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417 | |
| 400 | # @FUNCTION: get_version |
418 | # @FUNCTION: get_version |
| 401 | # @DESCRIPTION: |
419 | # @DESCRIPTION: |
| 402 | # It gets the version of the kernel inside KERNEL_DIR and populates the KV_FULL variable |
420 | # It gets the version of the kernel inside KERNEL_DIR and populates the KV_FULL variable |
| 403 | # (if KV_FULL is already set it does nothing). |
421 | # (if KV_FULL is already set it does nothing). |
| 404 | # |
422 | # |
| … | |
… | |
| 406 | # |
424 | # |
| 407 | # The KV_DIR is set using the KERNEL_DIR env var, the KV_DIR_OUT is set using a valid |
425 | # The KV_DIR is set using the KERNEL_DIR env var, the KV_DIR_OUT is set using a valid |
| 408 | # KBUILD_OUTPUT (in a decreasing priority list, we look for the env var, makefile var or the |
426 | # KBUILD_OUTPUT (in a decreasing priority list, we look for the env var, makefile var or the |
| 409 | # symlink /lib/modules/${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}${KV_EXTRA}/build). |
427 | # symlink /lib/modules/${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}${KV_EXTRA}/build). |
| 410 | get_version() { |
428 | get_version() { |
| 411 | local kbuild_output |
429 | local kbuild_output mkfunc tmplocal |
| 412 | |
430 | |
| 413 | # no need to execute this twice assuming KV_FULL is populated. |
431 | # no need to execute this twice assuming KV_FULL is populated. |
| 414 | # we can force by unsetting KV_FULL |
432 | # we can force by unsetting KV_FULL |
| 415 | [ -n "${KV_FULL}" ] && return 0 |
433 | [ -n "${KV_FULL}" ] && return 0 |
| 416 | |
434 | |
| 417 | # if we dont know KV_FULL, then we need too. |
435 | # if we dont know KV_FULL, then we need too. |
| 418 | # make sure KV_DIR isnt set since we need to work it out via KERNEL_DIR |
436 | # make sure KV_DIR isnt set since we need to work it out via KERNEL_DIR |
| 419 | unset KV_DIR |
437 | unset KV_DIR |
| 420 | |
438 | |
| 421 | # KV_DIR will contain the full path to the sources directory we should use |
439 | # KV_DIR will contain the full path to the sources directory we should use |
|
|
440 | [ -z "${get_version_warning_done}" ] && \ |
| 422 | qeinfo "Determining the location of the kernel source code" |
441 | qeinfo "Determining the location of the kernel source code" |
| 423 | [ -h "${KERNEL_DIR}" ] && KV_DIR="$(readlink -f ${KERNEL_DIR})" |
442 | [ -h "${KERNEL_DIR}" ] && KV_DIR="$(readlink -f ${KERNEL_DIR})" |
| 424 | [ -d "${KERNEL_DIR}" ] && KV_DIR="${KERNEL_DIR}" |
443 | [ -d "${KERNEL_DIR}" ] && KV_DIR="${KERNEL_DIR}" |
| 425 | |
444 | |
| 426 | if [ -z "${KV_DIR}" ] |
445 | if [ -z "${KV_DIR}" ] |
| 427 | then |
446 | then |
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447 | if [ -z "${get_version_warning_done}" ]; then |
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448 | get_version_warning_done=1 |
| 428 | qeerror "Unable to find kernel sources at ${KERNEL_DIR}" |
449 | qeerror "Unable to find kernel sources at ${KERNEL_DIR}" |
| 429 | qeinfo "This package requires Linux sources." |
450 | #qeinfo "This package requires Linux sources." |
| 430 | if [ "${KERNEL_DIR}" == "/usr/src/linux" ] ; then |
451 | if [ "${KERNEL_DIR}" == "/usr/src/linux" ] ; then |
| 431 | qeinfo "Please make sure that ${KERNEL_DIR} points at your running kernel, " |
452 | qeinfo "Please make sure that ${KERNEL_DIR} points at your running kernel, " |
| 432 | qeinfo "(or the kernel you wish to build against)." |
453 | qeinfo "(or the kernel you wish to build against)." |
| 433 | qeinfo "Alternatively, set the KERNEL_DIR environment variable to the kernel sources location" |
454 | qeinfo "Alternatively, set the KERNEL_DIR environment variable to the kernel sources location" |
| 434 | else |
455 | else |
| 435 | qeinfo "Please ensure that the KERNEL_DIR environment variable points at full Linux sources of the kernel you wish to compile against." |
456 | qeinfo "Please ensure that the KERNEL_DIR environment variable points at full Linux sources of the kernel you wish to compile against." |
|
|
457 | fi |
| 436 | fi |
458 | fi |
| 437 | return 1 |
459 | return 1 |
| 438 | fi |
460 | fi |
| 439 | |
461 | |
|
|
462 | if [ -z "${get_version_warning_done}" ]; then |
| 440 | qeinfo "Found kernel source directory:" |
463 | qeinfo "Found kernel source directory:" |
| 441 | qeinfo " ${KV_DIR}" |
464 | qeinfo " ${KV_DIR}" |
|
|
465 | fi |
| 442 | |
466 | |
| 443 | if [ ! -s "${KV_DIR}/Makefile" ] |
467 | if [ ! -s "${KV_DIR}/Makefile" ] |
| 444 | then |
468 | then |
|
|
469 | if [ -z "${get_version_warning_done}" ]; then |
|
|
470 | get_version_warning_done=1 |
| 445 | qeerror "Could not find a Makefile in the kernel source directory." |
471 | qeerror "Could not find a Makefile in the kernel source directory." |
| 446 | qeerror "Please ensure that ${KERNEL_DIR} points to a complete set of Linux sources" |
472 | qeerror "Please ensure that ${KERNEL_DIR} points to a complete set of Linux sources" |
|
|
473 | fi |
| 447 | return 1 |
474 | return 1 |
| 448 | fi |
475 | fi |
| 449 | |
476 | |
| 450 | # OK so now we know our sources directory, but they might be using |
477 | # OK so now we know our sources directory, but they might be using |
| 451 | # KBUILD_OUTPUT, and we need this for .config and localversions-* |
478 | # KBUILD_OUTPUT, and we need this for .config and localversions-* |
| 452 | # so we better find it eh? |
479 | # so we better find it eh? |
| 453 | # do we pass KBUILD_OUTPUT on the CLI? |
480 | # do we pass KBUILD_OUTPUT on the CLI? |
| 454 | OUTPUT_DIR="${OUTPUT_DIR:-${KBUILD_OUTPUT}}" |
481 | OUTPUT_DIR="${OUTPUT_DIR:-${KBUILD_OUTPUT}}" |
| 455 | |
482 | |
|
|
483 | # keep track of it |
|
|
484 | KERNEL_MAKEFILE="${KV_DIR}/Makefile" |
|
|
485 | |
|
|
486 | # Decide the function used to extract makefile variables. |
|
|
487 | mkfunc="$(get_makefile_extract_function "${KERNEL_MAKEFILE}")" |
|
|
488 | |
| 456 | # And if we didn't pass it, we can take a nosey in the Makefile |
489 | # And if we didn't pass it, we can take a nosey in the Makefile |
| 457 | kbuild_output="$(getfilevar_noexec KBUILD_OUTPUT ${KV_DIR}/Makefile)" |
490 | kbuild_output="$(${mkfunc} KBUILD_OUTPUT ${KERNEL_MAKEFILE})" |
| 458 | OUTPUT_DIR="${OUTPUT_DIR:-${kbuild_output}}" |
491 | OUTPUT_DIR="${OUTPUT_DIR:-${kbuild_output}}" |
| 459 | |
492 | |
| 460 | # And contrary to existing functions I feel we shouldn't trust the |
493 | # And contrary to existing functions I feel we shouldn't trust the |
| 461 | # directory name to find version information as this seems insane. |
494 | # directory name to find version information as this seems insane. |
| 462 | # so we parse ${KV_DIR}/Makefile |
495 | # so we parse ${KERNEL_MAKEFILE} |
| 463 | KV_MAJOR="$(getfilevar_noexec VERSION ${KV_DIR}/Makefile)" |
496 | KV_MAJOR="$(${mkfunc} VERSION ${KERNEL_MAKEFILE})" |
| 464 | KV_MINOR="$(getfilevar_noexec PATCHLEVEL ${KV_DIR}/Makefile)" |
497 | KV_MINOR="$(${mkfunc} PATCHLEVEL ${KERNEL_MAKEFILE})" |
| 465 | KV_PATCH="$(getfilevar_noexec SUBLEVEL ${KV_DIR}/Makefile)" |
498 | KV_PATCH="$(${mkfunc} SUBLEVEL ${KERNEL_MAKEFILE})" |
| 466 | KV_EXTRA="$(getfilevar_noexec EXTRAVERSION ${KV_DIR}/Makefile)" |
499 | KV_EXTRA="$(${mkfunc} EXTRAVERSION ${KERNEL_MAKEFILE})" |
| 467 | |
500 | |
| 468 | if [ -z "${KV_MAJOR}" -o -z "${KV_MINOR}" -o -z "${KV_PATCH}" ] |
501 | if [ -z "${KV_MAJOR}" -o -z "${KV_MINOR}" -o -z "${KV_PATCH}" ] |
| 469 | then |
502 | then |
|
|
503 | if [ -z "${get_version_warning_done}" ]; then |
|
|
504 | get_version_warning_done=1 |
| 470 | qeerror "Could not detect kernel version." |
505 | qeerror "Could not detect kernel version." |
| 471 | qeerror "Please ensure that ${KERNEL_DIR} points to a complete set of Linux sources." |
506 | qeerror "Please ensure that ${KERNEL_DIR} points to a complete set of Linux sources." |
|
|
507 | fi |
| 472 | return 1 |
508 | return 1 |
| 473 | fi |
509 | fi |
| 474 | |
510 | |
| 475 | # and in newer versions we can also pull LOCALVERSION if it is set. |
511 | # and in newer versions we can also pull LOCALVERSION if it is set. |
| 476 | # but before we do this, we need to find if we use a different object directory. |
512 | # but before we do this, we need to find if we use a different object directory. |
| 477 | # This *WILL* break if the user is using localversions, but we assume it was |
513 | # This *WILL* break if the user is using localversions, but we assume it was |
| 478 | # caught before this if they are. |
514 | # caught before this if they are. |
| 479 | [ "${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}${KV_EXTRA}" == "$(uname -r)" ] && \ |
|
|
| 480 | OUTPUT_DIR="${OUTPUT_DIR:-/lib/modules/${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}${KV_EXTRA}/build}" |
515 | OUTPUT_DIR="${OUTPUT_DIR:-/lib/modules/${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}${KV_EXTRA}/build}" |
| 481 | |
516 | |
| 482 | [ -h "${OUTPUT_DIR}" ] && KV_OUT_DIR="$(readlink -f ${OUTPUT_DIR})" |
517 | [ -h "${OUTPUT_DIR}" ] && KV_OUT_DIR="$(readlink -f ${OUTPUT_DIR})" |
| 483 | [ -d "${OUTPUT_DIR}" ] && KV_OUT_DIR="${OUTPUT_DIR}" |
518 | [ -d "${OUTPUT_DIR}" ] && KV_OUT_DIR="${OUTPUT_DIR}" |
| 484 | if [ -n "${KV_OUT_DIR}" ]; |
519 | if [ -n "${KV_OUT_DIR}" ]; |
| 485 | then |
520 | then |
| 486 | qeinfo "Found kernel object directory:" |
521 | qeinfo "Found kernel object directory:" |
| 487 | qeinfo " ${KV_OUT_DIR}" |
522 | qeinfo " ${KV_OUT_DIR}" |
| 488 | |
|
|
| 489 | KV_LOCAL="$(get_localversion ${KV_OUT_DIR})" |
|
|
| 490 | fi |
523 | fi |
| 491 | # and if we STILL have not got it, then we better just set it to KV_DIR |
524 | # and if we STILL have not got it, then we better just set it to KV_DIR |
| 492 | KV_OUT_DIR="${KV_OUT_DIR:-${KV_DIR}}" |
525 | KV_OUT_DIR="${KV_OUT_DIR:-${KV_DIR}}" |
| 493 | |
526 | |
| 494 | KV_LOCAL="${KV_LOCAL}$(get_localversion ${KV_DIR})" |
527 | # Grab the kernel release from the output directory. |
| 495 | if linux_config_exists; then |
528 | # TODO: we MUST detect kernel.release being out of date, and 'return 1' from |
| 496 | KV_LOCAL="${KV_LOCAL}$(linux_chkconfig_string LOCALVERSION)" |
529 | # this function. |
| 497 | KV_LOCAL="${KV_LOCAL//\"/}" |
530 | if [ -s "${KV_OUT_DIR}"/include/config/kernel.release ]; then |
|
|
531 | KV_LOCAL=$(<"${KV_OUT_DIR}"/include/config/kernel.release) |
|
|
532 | elif [ -s "${KV_OUT_DIR}"/.kernelrelease ]; then |
|
|
533 | KV_LOCAL=$(<"${KV_OUT_DIR}"/.kernelrelease) |
|
|
534 | else |
|
|
535 | KV_LOCAL= |
|
|
536 | fi |
| 498 | |
537 | |
| 499 | # For things like git that can append extra stuff: |
538 | # KV_LOCAL currently contains the full release; discard the first bits. |
| 500 | [ -e ${KV_DIR}/scripts/setlocalversion ] && |
539 | tmplocal=${KV_LOCAL#${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}${KV_EXTRA}} |
| 501 | linux_chkconfig_builtin LOCALVERSION_AUTO && |
540 | |
| 502 | KV_LOCAL="${KV_LOCAL}$(sh ${KV_DIR}/scripts/setlocalversion ${KV_DIR})" |
541 | # If the updated local version was not changed, the tree is not prepared. |
|
|
542 | # Clear out KV_LOCAL in that case. |
|
|
543 | # TODO: this does not detect a change in the localversion part between |
|
|
544 | # kernel.release and the value that would be generated. |
|
|
545 | if [ "$KV_LOCAL" = "$tmplocal" ]; then |
|
|
546 | KV_LOCAL= |
|
|
547 | else |
|
|
548 | KV_LOCAL=$tmplocal |
| 503 | fi |
549 | fi |
| 504 | |
550 | |
| 505 | # And we should set KV_FULL to the full expanded version |
551 | # And we should set KV_FULL to the full expanded version |
| 506 | KV_FULL="${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}${KV_EXTRA}${KV_LOCAL}" |
552 | KV_FULL="${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}${KV_EXTRA}${KV_LOCAL}" |
| 507 | |
553 | |
| … | |
… | |
| 516 | # It gets the version of the current running kernel and the result is the same as get_version() if the |
562 | # It gets the version of the current running kernel and the result is the same as get_version() if the |
| 517 | # function can find the sources. |
563 | # function can find the sources. |
| 518 | get_running_version() { |
564 | get_running_version() { |
| 519 | KV_FULL=$(uname -r) |
565 | KV_FULL=$(uname -r) |
| 520 | |
566 | |
|
|
567 | if [[ -f ${ROOT}/lib/modules/${KV_FULL}/source/Makefile && -f ${ROOT}/lib/modules/${KV_FULL}/build/Makefile ]]; then |
|
|
568 | KERNEL_DIR=$(readlink -f ${ROOT}/lib/modules/${KV_FULL}/source) |
|
|
569 | KBUILD_OUTPUT=$(readlink -f ${ROOT}/lib/modules/${KV_FULL}/build) |
|
|
570 | unset KV_FULL |
|
|
571 | get_version |
|
|
572 | return $? |
| 521 | if [[ -f ${ROOT}/lib/modules/${KV_FULL}/source/Makefile ]]; then |
573 | elif [[ -f ${ROOT}/lib/modules/${KV_FULL}/source/Makefile ]]; then |
| 522 | KERNEL_DIR=$(readlink -f ${ROOT}/lib/modules/${KV_FULL}/source) |
574 | KERNEL_DIR=$(readlink -f ${ROOT}/lib/modules/${KV_FULL}/source) |
| 523 | unset KV_FULL |
575 | unset KV_FULL |
| 524 | get_version |
576 | get_version |
| 525 | return $? |
577 | return $? |
| 526 | elif [[ -f ${ROOT}/lib/modules/${KV_FULL}/build/Makefile ]]; then |
578 | elif [[ -f ${ROOT}/lib/modules/${KV_FULL}/build/Makefile ]]; then |
| … | |
… | |
| 529 | get_version |
581 | get_version |
| 530 | return $? |
582 | return $? |
| 531 | else |
583 | else |
| 532 | KV_MAJOR=$(get_version_component_range 1 ${KV_FULL}) |
584 | KV_MAJOR=$(get_version_component_range 1 ${KV_FULL}) |
| 533 | KV_MINOR=$(get_version_component_range 2 ${KV_FULL}) |
585 | KV_MINOR=$(get_version_component_range 2 ${KV_FULL}) |
| 534 | KV_PATCH=$(get_version_component_range 3- ${KV_FULL}) |
586 | KV_PATCH=$(get_version_component_range 3 ${KV_FULL}) |
| 535 | KV_PATCH=${KV_PATCH//-*} |
587 | KV_PATCH=${KV_PATCH//-*} |
| 536 | [[ -n ${KV_FULL#*-} ]] && [[ -n ${KV_FULL//${KV_FULL#*-}} ]] \ |
588 | KV_EXTRA="${KV_FULL#${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}}" |
| 537 | && KV_EXTRA="-${KV_FULL#*-}" |
|
|
| 538 | fi |
589 | fi |
| 539 | return 0 |
590 | return 0 |
|
|
591 | } |
|
|
592 | |
|
|
593 | # This next function is named with the eclass prefix to avoid conflicts with |
|
|
594 | # some old versionator-like eclass functions. |
|
|
595 | |
|
|
596 | # @FUNCTION: linux-info_get_any_version |
|
|
597 | # @DESCRIPTION: |
|
|
598 | # This attempts to find the version of the sources, and otherwise falls back to |
|
|
599 | # the version of the running kernel. |
|
|
600 | linux-info_get_any_version() { |
|
|
601 | get_version |
|
|
602 | if [[ $? -ne 0 ]]; then |
|
|
603 | ewarn "Unable to calculate Linux Kernel version for build, attempting to use running version" |
|
|
604 | get_running_version |
|
|
605 | fi |
| 540 | } |
606 | } |
| 541 | |
607 | |
| 542 | |
608 | |
| 543 | # ebuild check functions |
609 | # ebuild check functions |
| 544 | # --------------------------------------- |
610 | # --------------------------------------- |
| … | |
… | |
| 588 | # It checks the kernel config options specified by CONFIG_CHECK. It dies only when a required config option (i.e. |
654 | # It checks the kernel config options specified by CONFIG_CHECK. It dies only when a required config option (i.e. |
| 589 | # the prefix ~ is not used) doesn't satisfy the directive. |
655 | # the prefix ~ is not used) doesn't satisfy the directive. |
| 590 | check_extra_config() { |
656 | check_extra_config() { |
| 591 | local config negate die error reworkmodulenames |
657 | local config negate die error reworkmodulenames |
| 592 | local soft_errors_count=0 hard_errors_count=0 config_required=0 |
658 | local soft_errors_count=0 hard_errors_count=0 config_required=0 |
|
|
659 | # store the value of the QA check, because otherwise we won't catch usages |
|
|
660 | # after if check_extra_config is called AND other direct calls are done |
|
|
661 | # later. |
|
|
662 | local old_LINUX_CONFIG_EXISTS_DONE="${_LINUX_CONFIG_EXISTS_DONE}" |
| 593 | |
663 | |
| 594 | # if we haven't determined the version yet, we need to |
664 | # if we haven't determined the version yet, we need to |
| 595 | get_version |
665 | linux-info_get_any_version |
| 596 | |
666 | |
| 597 | # Determine if we really need a .config. The only time when we don't need |
667 | # Determine if we really need a .config. The only time when we don't need |
| 598 | # one is when all of the CONFIG_CHECK options are prefixed with "~". |
668 | # one is when all of the CONFIG_CHECK options are prefixed with "~". |
| 599 | for config in ${CONFIG_CHECK} |
669 | for config in ${CONFIG_CHECK} |
| 600 | do |
670 | do |
| … | |
… | |
| 608 | # In the case where we don't require a .config, we can now bail out |
678 | # In the case where we don't require a .config, we can now bail out |
| 609 | # if the user has no .config as there is nothing to do. Otherwise |
679 | # if the user has no .config as there is nothing to do. Otherwise |
| 610 | # code later will cause a failure due to missing .config. |
680 | # code later will cause a failure due to missing .config. |
| 611 | if ! linux_config_exists; then |
681 | if ! linux_config_exists; then |
| 612 | ewarn "Unable to check for the following kernel config options due" |
682 | ewarn "Unable to check for the following kernel config options due" |
| 613 | ewarn "to absence of any configured kernel sources:" |
683 | ewarn "to absence of any configured kernel sources or compiled" |
|
|
684 | ewarn "config:" |
| 614 | for config in ${CONFIG_CHECK}; do |
685 | for config in ${CONFIG_CHECK}; do |
|
|
686 | local_error="ERROR_${config#\~}" |
|
|
687 | msg="${!local_error}" |
|
|
688 | if [[ "x${msg}" == "x" ]]; then |
|
|
689 | local_error="WARNING_${config#\~}" |
|
|
690 | msg="${!local_error}" |
|
|
691 | fi |
| 615 | ewarn " - ${config#\~}" |
692 | ewarn " - ${config#\~}${msg:+ - }${msg}" |
| 616 | done |
693 | done |
| 617 | ewarn "You're on your own to make sure they are set if needed." |
694 | ewarn "You're on your own to make sure they are set if needed." |
|
|
695 | export LINUX_CONFIG_EXISTS_DONE="${old_LINUX_CONFIG_EXISTS_DONE}" |
| 618 | return 0 |
696 | return 0 |
| 619 | fi |
697 | fi |
| 620 | else |
698 | else |
| 621 | require_configured_kernel |
699 | require_configured_kernel |
| 622 | fi |
700 | fi |
| … | |
… | |
| 699 | if [[ ${hard_errors_count} > 0 ]]; then |
777 | if [[ ${hard_errors_count} > 0 ]]; then |
| 700 | eerror "Please check to make sure these options are set correctly." |
778 | eerror "Please check to make sure these options are set correctly." |
| 701 | eerror "Failure to do so may cause unexpected problems." |
779 | eerror "Failure to do so may cause unexpected problems." |
| 702 | eerror "Once you have satisfied these options, please try merging" |
780 | eerror "Once you have satisfied these options, please try merging" |
| 703 | eerror "this package again." |
781 | eerror "this package again." |
|
|
782 | export LINUX_CONFIG_EXISTS_DONE="${old_LINUX_CONFIG_EXISTS_DONE}" |
| 704 | die "Incorrect kernel configuration options" |
783 | die "Incorrect kernel configuration options" |
| 705 | elif [[ ${soft_errors_count} > 0 ]]; then |
784 | elif [[ ${soft_errors_count} > 0 ]]; then |
| 706 | ewarn "Please check to make sure these options are set correctly." |
785 | ewarn "Please check to make sure these options are set correctly." |
| 707 | ewarn "Failure to do so may cause unexpected problems." |
786 | ewarn "Failure to do so may cause unexpected problems." |
| 708 | else |
787 | else |
| 709 | eend 0 |
788 | eend 0 |
| 710 | fi |
789 | fi |
|
|
790 | export LINUX_CONFIG_EXISTS_DONE="${old_LINUX_CONFIG_EXISTS_DONE}" |
| 711 | } |
791 | } |
| 712 | |
792 | |
| 713 | check_zlibinflate() { |
793 | check_zlibinflate() { |
| 714 | # if we haven't determined the version yet, we need to |
794 | # if we haven't determined the version yet, we need to |
| 715 | require_configured_kernel |
795 | require_configured_kernel |
| … | |
… | |
| 786 | # @FUNCTION: linux-info_pkg_setup |
866 | # @FUNCTION: linux-info_pkg_setup |
| 787 | # @DESCRIPTION: |
867 | # @DESCRIPTION: |
| 788 | # Force a get_version() call when inherited from linux-mod.eclass and then check if the kernel is configured |
868 | # Force a get_version() call when inherited from linux-mod.eclass and then check if the kernel is configured |
| 789 | # to support the options specified in CONFIG_CHECK (if not null) |
869 | # to support the options specified in CONFIG_CHECK (if not null) |
| 790 | linux-info_pkg_setup() { |
870 | linux-info_pkg_setup() { |
| 791 | get_version |
871 | linux-info_get_any_version |
| 792 | if [[ $rc -ne 0 ]]; then |
|
|
| 793 | ewarn "Unable to calculate Linux Kernel version for build, attempting to use running version" |
|
|
| 794 | get_running_version |
|
|
| 795 | fi |
|
|
| 796 | |
872 | |
| 797 | if kernel_is 2 4; then |
873 | if kernel_is 2 4; then |
| 798 | if [ "$( gcc-major-version )" -eq "4" ] ; then |
874 | if [ "$( gcc-major-version )" -eq "4" ] ; then |
| 799 | echo |
875 | echo |
| 800 | ewarn "Be warned !! >=sys-devel/gcc-4.0.0 isn't supported with" |
876 | ewarn "Be warned !! >=sys-devel/gcc-4.0.0 isn't supported with" |
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