| 1 | # Copyright 1999-2006 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 1.62 2009/09/06 22:54:58 robbat2 Exp $ |
3 | # $Header: /var/cvsroot/gentoo-x86/eclass/linux-info.eclass,v 1.93 2012/10/22 19:00:52 mpagano Exp $ |
| 4 | # |
|
|
| 5 | # Original author: John Mylchreest <johnm@gentoo.org> |
|
|
| 6 | # Maintainer: kernel-misc@gentoo.org |
|
|
| 7 | # |
|
|
| 8 | # Please direct your bugs to the current eclass maintainer :) |
|
|
| 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 |
|
|
8 | # @AUTHOR: |
|
|
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 |
| … | |
… | |
| 19 | # using additional eclasses. |
16 | # using additional eclasses. |
| 20 | # |
17 | # |
| 21 | # "kernel config" in this file means: |
18 | # "kernel config" in this file means: |
| 22 | # The .config of the currently installed sources is used as the first |
19 | # The .config of the currently installed sources is used as the first |
| 23 | # preference, with a fall-back to bundled config (/proc/config.gz) if available. |
20 | # preference, with a fall-back to bundled config (/proc/config.gz) if available. |
|
|
21 | # |
|
|
22 | # Before using any of the config-handling functions in this eclass, you must |
|
|
23 | # ensure that one of the following functions has been called (in order of |
|
|
24 | # preference), otherwise you will get bugs like #364041): |
|
|
25 | # linux-info_pkg_setup |
|
|
26 | # linux-info_get_any_version |
|
|
27 | # get_version |
|
|
28 | # get_running_version |
| 24 | |
29 | |
| 25 | # 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 |
| 26 | # These are as follows: |
31 | # These are as follows: |
| 27 | |
32 | |
| 28 | # @ECLASS-VARIABLE: KERNEL_DIR |
33 | # @ECLASS-VARIABLE: KERNEL_DIR |
| … | |
… | |
| 40 | # You can also check that an option doesn't exist by |
45 | # You can also check that an option doesn't exist by |
| 41 | # prepending it with an exclamation mark (!). |
46 | # prepending it with an exclamation mark (!). |
| 42 | # |
47 | # |
| 43 | # e.g.: CONFIG_CHECK="!MTRR" |
48 | # e.g.: CONFIG_CHECK="!MTRR" |
| 44 | # |
49 | # |
| 45 | # To simply warn about a missing option, prepend a '~'. |
50 | # To simply warn about a missing option, prepend a '~'. |
| 46 | # It may be combined with '!'. |
51 | # It may be combined with '!'. |
| 47 | # |
52 | # |
| 48 | # In general, most checks should be non-fatal. The only time fatal checks should |
53 | # 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 |
54 | # be used is for building kernel modules or cases that a compile will fail |
| 50 | # without the option. |
55 | # without the option. |
| … | |
… | |
| 99 | # @ECLASS-VARIABLE: KV_OUT_DIR |
104 | # @ECLASS-VARIABLE: KV_OUT_DIR |
| 100 | # @DESCRIPTION: |
105 | # @DESCRIPTION: |
| 101 | # A read-only variable. It's a string containing the kernel object directory, will be KV_DIR unless |
106 | # 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. |
107 | # KBUILD_OUTPUT is used. This should be used for referencing .config. |
| 103 | |
108 | |
| 104 | # @ECLASS-VARIABLE: I_KNOW_WHAT_I_AM_DOING |
|
|
| 105 | # @DESCRIPTION: |
|
|
| 106 | # Temporary variable for the migration to making linux-info non-fatal. |
|
|
| 107 | |
|
|
| 108 | # And to ensure all the weirdness with crosscompile |
109 | # And to ensure all the weirdness with crosscompile |
| 109 | inherit toolchain-funcs versionator |
110 | inherit toolchain-funcs versionator |
| 110 | |
111 | |
| 111 | EXPORT_FUNCTIONS pkg_setup |
112 | EXPORT_FUNCTIONS pkg_setup |
| 112 | |
113 | |
| 113 | DEPEND="kernel_linux? ( virtual/linux-sources )" |
114 | DEPEND="" |
| 114 | RDEPEND="" |
115 | RDEPEND="" |
| 115 | |
116 | |
| 116 | # Overwritable environment Var's |
117 | # Overwritable environment Var's |
| 117 | # --------------------------------------- |
118 | # --------------------------------------- |
| 118 | KERNEL_DIR="${KERNEL_DIR:-${ROOT}usr/src/linux}" |
119 | KERNEL_DIR="${KERNEL_DIR:-${ROOT}usr/src/linux}" |
| … | |
… | |
| 150 | esac |
151 | esac |
| 151 | [ -n "${outputmsg}" ] && ${type} "${outputmsg}" |
152 | [ -n "${outputmsg}" ] && ${type} "${outputmsg}" |
| 152 | } |
153 | } |
| 153 | |
154 | |
| 154 | qeinfo() { qout einfo "${@}" ; } |
155 | qeinfo() { qout einfo "${@}" ; } |
|
|
156 | qewarn() { qout ewarn "${@}" ; } |
| 155 | qeerror() { qout eerror "${@}" ; } |
157 | qeerror() { qout eerror "${@}" ; } |
| 156 | |
158 | |
| 157 | # File Functions |
159 | # File Functions |
| 158 | # --------------------------------------- |
160 | # --------------------------------------- |
| 159 | |
161 | |
| … | |
… | |
| 200 | ERROR=0 |
202 | ERROR=0 |
| 201 | mycat='cat' |
203 | mycat='cat' |
| 202 | |
204 | |
| 203 | [ -z "${1}" ] && ERROR=1 |
205 | [ -z "${1}" ] && ERROR=1 |
| 204 | [ ! -f "${2}" ] && ERROR=1 |
206 | [ ! -f "${2}" ] && ERROR=1 |
| 205 | [ "${2#.gz}" != "${2}" ] && mycat='zcat' |
207 | [ "${2%.gz}" != "${2}" ] && mycat='zcat' |
| 206 | |
208 | |
| 207 | if [ "${ERROR}" = 1 ] |
209 | if [ "${ERROR}" = 1 ] |
| 208 | then |
210 | then |
| 209 | echo -e "\n" |
211 | echo -e "\n" |
| 210 | eerror "getfilevar_noexec requires 2 variables, with the second a valid file." |
212 | eerror "getfilevar_noexec requires 2 variables, with the second a valid file." |
| 211 | eerror " getfilevar_noexec <VARIABLE> <CONFIGFILE>" |
213 | eerror " getfilevar_noexec <VARIABLE> <CONFIGFILE>" |
| 212 | else |
214 | else |
| 213 | ${mycat} "${2}" | \ |
215 | ${mycat} "${2}" | \ |
| 214 | sed -n \ |
216 | sed -n \ |
| 215 | -e "/^[[:space:]]*${1}[[:space:]]*=[[:space:]]*\(.*\)\$/{ |
217 | -e "/^[[:space:]]*${1}[[:space:]]*:\\?=[[:space:]]*\(.*\)\$/{ |
| 216 | s,^[^=]*[[:space:]]*=[[:space:]]*,,g ; |
218 | s,^[^=]*[[:space:]]*=[[:space:]]*,,g ; |
| 217 | s,[[:space:]]*\$,,g ; |
219 | s,[[:space:]]*\$,,g ; |
| 218 | p |
220 | p |
| 219 | }" |
221 | }" |
| 220 | fi |
222 | fi |
| 221 | } |
223 | } |
| 222 | |
224 | |
|
|
225 | # @ECLASS-VARIABLE: _LINUX_CONFIG_EXISTS_DONE |
|
|
226 | # @INTERNAL |
|
|
227 | # @DESCRIPTION: |
|
|
228 | # This is only set if one of the linux_config_*exists functions has been called. |
|
|
229 | # We use it for a QA warning that the check for a config has not been performed, |
|
|
230 | # as linux_chkconfig* in non-legacy mode WILL return an undefined value if no |
|
|
231 | # config is available at all. |
|
|
232 | _LINUX_CONFIG_EXISTS_DONE= |
|
|
233 | |
|
|
234 | linux_config_qa_check() { |
|
|
235 | local f="$1" |
|
|
236 | if [ -z "${_LINUX_CONFIG_EXISTS_DONE}" ]; then |
|
|
237 | ewarn "QA: You called $f before any linux_config_exists!" |
|
|
238 | ewarn "QA: The return value of $f will NOT guaranteed later!" |
|
|
239 | fi |
|
|
240 | } |
| 223 | |
241 | |
| 224 | # @FUNCTION: linux_config_src_exists |
242 | # @FUNCTION: linux_config_src_exists |
| 225 | # @RETURN: true or false |
243 | # @RETURN: true or false |
| 226 | # @DESCRIPTION: |
244 | # @DESCRIPTION: |
| 227 | # It returns true if .config exists in a build directory otherwise false |
245 | # It returns true if .config exists in a build directory otherwise false |
| 228 | linux_config_src_exists() { |
246 | linux_config_src_exists() { |
|
|
247 | export _LINUX_CONFIG_EXISTS_DONE=1 |
| 229 | [ -s "${KV_OUT_DIR}/.config" ] |
248 | [ -s "${KV_OUT_DIR}/.config" ] |
| 230 | } |
249 | } |
| 231 | |
250 | |
| 232 | # @FUNCTION: linux_config_bin_exists |
251 | # @FUNCTION: linux_config_bin_exists |
| 233 | # @RETURN: true or false |
252 | # @RETURN: true or false |
| 234 | # @DESCRIPTION: |
253 | # @DESCRIPTION: |
| 235 | # It returns true if .config exists in /proc, otherwise false |
254 | # It returns true if .config exists in /proc, otherwise false |
| 236 | linux_config_bin_exists() { |
255 | linux_config_bin_exists() { |
|
|
256 | export _LINUX_CONFIG_EXISTS_DONE=1 |
| 237 | [ -s "/proc/config.gz" ] |
257 | [ -s "/proc/config.gz" ] |
| 238 | } |
258 | } |
| 239 | |
259 | |
| 240 | # @FUNCTION: linux_config_exists |
260 | # @FUNCTION: linux_config_exists |
| 241 | # @RETURN: true or false |
261 | # @RETURN: true or false |
| … | |
… | |
| 268 | # @DESCRIPTION: |
288 | # @DESCRIPTION: |
| 269 | # It checks that CONFIG_<option>=y or CONFIG_<option>=m is present in the current kernel .config |
289 | # It checks that CONFIG_<option>=y or CONFIG_<option>=m is present in the current kernel .config |
| 270 | # If linux_config_exists returns false, the results of this are UNDEFINED. You |
290 | # If linux_config_exists returns false, the results of this are UNDEFINED. You |
| 271 | # MUST call linux_config_exists first. |
291 | # MUST call linux_config_exists first. |
| 272 | linux_chkconfig_present() { |
292 | linux_chkconfig_present() { |
|
|
293 | linux_config_qa_check linux_chkconfig_present |
| 273 | local RESULT |
294 | local RESULT |
| 274 | [ -z "${I_KNOW_WHAT_I_AM_DOING}" ] && require_configured_kernel |
|
|
| 275 | local config |
295 | local config |
| 276 | config="${KV_OUT_DIR}/.config" |
296 | config="${KV_OUT_DIR}/.config" |
| 277 | [ ! -f "${config}" ] && config="/proc/config.gz" |
297 | [ ! -f "${config}" ] && config="/proc/config.gz" |
| 278 | RESULT="$(getfilevar_noexec CONFIG_${1} "${config}")" |
298 | RESULT="$(getfilevar_noexec CONFIG_${1} "${config}")" |
| 279 | [ "${RESULT}" = "m" -o "${RESULT}" = "y" ] && return 0 || return 1 |
299 | [ "${RESULT}" = "m" -o "${RESULT}" = "y" ] && return 0 || return 1 |
| … | |
… | |
| 285 | # @DESCRIPTION: |
305 | # @DESCRIPTION: |
| 286 | # It checks that CONFIG_<option>=m is present in the current kernel .config |
306 | # 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 |
307 | # If linux_config_exists returns false, the results of this are UNDEFINED. You |
| 288 | # MUST call linux_config_exists first. |
308 | # MUST call linux_config_exists first. |
| 289 | linux_chkconfig_module() { |
309 | linux_chkconfig_module() { |
|
|
310 | linux_config_qa_check linux_chkconfig_module |
| 290 | local RESULT |
311 | local RESULT |
| 291 | [ -z "${I_KNOW_WHAT_I_AM_DOING}" ] && require_configured_kernel |
|
|
| 292 | local config |
312 | local config |
| 293 | config="${KV_OUT_DIR}/.config" |
313 | config="${KV_OUT_DIR}/.config" |
| 294 | [ ! -f "${config}" ] && config="/proc/config.gz" |
314 | [ ! -f "${config}" ] && config="/proc/config.gz" |
| 295 | RESULT="$(getfilevar_noexec CONFIG_${1} "${config}")" |
315 | RESULT="$(getfilevar_noexec CONFIG_${1} "${config}")" |
| 296 | [ "${RESULT}" = "m" ] && return 0 || return 1 |
316 | [ "${RESULT}" = "m" ] && return 0 || return 1 |
| … | |
… | |
| 302 | # @DESCRIPTION: |
322 | # @DESCRIPTION: |
| 303 | # It checks that CONFIG_<option>=y is present in the current kernel .config |
323 | # It checks that CONFIG_<option>=y is present in the current kernel .config |
| 304 | # If linux_config_exists returns false, the results of this are UNDEFINED. You |
324 | # If linux_config_exists returns false, the results of this are UNDEFINED. You |
| 305 | # MUST call linux_config_exists first. |
325 | # MUST call linux_config_exists first. |
| 306 | linux_chkconfig_builtin() { |
326 | linux_chkconfig_builtin() { |
|
|
327 | linux_config_qa_check linux_chkconfig_builtin |
| 307 | local RESULT |
328 | local RESULT |
| 308 | [ -z "${I_KNOW_WHAT_I_AM_DOING}" ] && require_configured_kernel |
|
|
| 309 | local config |
329 | local config |
| 310 | config="${KV_OUT_DIR}/.config" |
330 | config="${KV_OUT_DIR}/.config" |
| 311 | [ ! -f "${config}" ] && config="/proc/config.gz" |
331 | [ ! -f "${config}" ] && config="/proc/config.gz" |
| 312 | RESULT="$(getfilevar_noexec CONFIG_${1} "${config}")" |
332 | RESULT="$(getfilevar_noexec CONFIG_${1} "${config}")" |
| 313 | [ "${RESULT}" = "y" ] && return 0 || return 1 |
333 | [ "${RESULT}" = "y" ] && return 0 || return 1 |
| … | |
… | |
| 319 | # @DESCRIPTION: |
339 | # @DESCRIPTION: |
| 320 | # It prints the CONFIG_<option> value of the current kernel .config (it requires a configured kernel). |
340 | # 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 |
341 | # If linux_config_exists returns false, the results of this are UNDEFINED. You |
| 322 | # MUST call linux_config_exists first. |
342 | # MUST call linux_config_exists first. |
| 323 | linux_chkconfig_string() { |
343 | linux_chkconfig_string() { |
| 324 | [ -z "${I_KNOW_WHAT_I_AM_DOING}" ] && require_configured_kernel |
344 | linux_config_qa_check linux_chkconfig_string |
| 325 | local config |
345 | local config |
| 326 | config="${KV_OUT_DIR}/.config" |
346 | config="${KV_OUT_DIR}/.config" |
| 327 | [ ! -f "${config}" ] && config="/proc/config.gz" |
347 | [ ! -f "${config}" ] && config="/proc/config.gz" |
| 328 | getfilevar_noexec "CONFIG_${1}" "${config}" |
348 | getfilevar_noexec "CONFIG_${1}" "${config}" |
| 329 | } |
349 | } |
| … | |
… | |
| 345 | # kernel_is 2 6 returns true |
365 | # kernel_is 2 6 returns true |
| 346 | # kernel_is 2 6 8 returns false |
366 | # kernel_is 2 6 8 returns false |
| 347 | # kernel_is 2 6 9 returns true |
367 | # kernel_is 2 6 9 returns true |
| 348 | # @CODE |
368 | # @CODE |
| 349 | |
369 | |
| 350 | # got the jist yet? |
370 | # Note: duplicated in kernel-2.eclass |
| 351 | |
|
|
| 352 | kernel_is() { |
371 | kernel_is() { |
| 353 | # if we haven't determined the version yet, we need to. |
372 | # if we haven't determined the version yet, we need to. |
| 354 | get_version |
373 | linux-info_get_any_version |
|
|
374 | |
|
|
375 | # Now we can continue |
| 355 | local operator test value x=0 y=0 z=0 |
376 | local operator test value |
| 356 | |
377 | |
| 357 | case ${1} in |
378 | case ${1#-} in |
| 358 | lt) operator="-lt"; shift;; |
379 | lt) operator="-lt"; shift;; |
| 359 | gt) operator="-gt"; shift;; |
380 | gt) operator="-gt"; shift;; |
| 360 | le) operator="-le"; shift;; |
381 | le) operator="-le"; shift;; |
| 361 | ge) operator="-ge"; shift;; |
382 | ge) operator="-ge"; shift;; |
| 362 | eq) operator="-eq"; shift;; |
383 | eq) operator="-eq"; shift;; |
| 363 | *) operator="-eq";; |
384 | *) operator="-eq";; |
| 364 | esac |
385 | esac |
| 365 | |
|
|
| 366 | for x in ${@}; do |
|
|
| 367 | for((y=0; y<$((3 - ${#x})); y++)); do value="${value}0"; done |
|
|
| 368 | value="${value}${x}" |
|
|
| 369 | z=$((${z} + 1)) |
|
|
| 370 | |
|
|
| 371 | case ${z} in |
|
|
| 372 | 1) for((y=0; y<$((3 - ${#KV_MAJOR})); y++)); do test="${test}0"; done; |
|
|
| 373 | test="${test}${KV_MAJOR}";; |
|
|
| 374 | 2) for((y=0; y<$((3 - ${#KV_MINOR})); y++)); do test="${test}0"; done; |
|
|
| 375 | test="${test}${KV_MINOR}";; |
|
|
| 376 | 3) for((y=0; y<$((3 - ${#KV_PATCH})); y++)); do test="${test}0"; done; |
|
|
| 377 | test="${test}${KV_PATCH}";; |
|
|
| 378 | *) die "Error in kernel-2_kernel_is(): Too many parameters.";; |
386 | [[ $# -gt 3 ]] && die "Error in kernel-2_kernel_is(): too many parameters" |
| 379 | esac |
387 | |
| 380 | done |
388 | : $(( test = (KV_MAJOR << 16) + (KV_MINOR << 8) + KV_PATCH )) |
| 381 | |
389 | : $(( value = (${1:-${KV_MAJOR}} << 16) + (${2:-${KV_MINOR}} << 8) + ${3:-${KV_PATCH}} )) |
| 382 | [ ${test} ${operator} ${value} ] && return 0 || return 1 |
390 | [ ${test} ${operator} ${value} ] |
| 383 | } |
391 | } |
| 384 | |
392 | |
| 385 | get_localversion() { |
393 | get_localversion() { |
| 386 | local lv_list i x |
394 | local lv_list i x |
| 387 | |
395 | |
| … | |
… | |
| 395 | done |
403 | done |
| 396 | x=${x/ /} |
404 | x=${x/ /} |
| 397 | echo ${x} |
405 | echo ${x} |
| 398 | } |
406 | } |
| 399 | |
407 | |
|
|
408 | # Check if the Makefile is valid for direct parsing. |
|
|
409 | # Check status results: |
|
|
410 | # - PASS, use 'getfilevar' to extract values |
|
|
411 | # - FAIL, use 'getfilevar_noexec' to extract values |
|
|
412 | # The check may fail if: |
|
|
413 | # - make is not present |
|
|
414 | # - corruption exists in the kernel makefile |
|
|
415 | get_makefile_extract_function() { |
|
|
416 | local a='' b='' mkfunc='getfilevar' |
|
|
417 | a="$(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 | |
| 400 | # @FUNCTION: get_version |
426 | # @FUNCTION: get_version |
| 401 | # @DESCRIPTION: |
427 | # @DESCRIPTION: |
| 402 | # It gets the version of the kernel inside KERNEL_DIR and populates the KV_FULL variable |
428 | # 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). |
429 | # (if KV_FULL is already set it does nothing). |
| 404 | # |
430 | # |
| … | |
… | |
| 406 | # |
432 | # |
| 407 | # The KV_DIR is set using the KERNEL_DIR env var, the KV_DIR_OUT is set using a valid |
433 | # 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 |
434 | # 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). |
435 | # symlink /lib/modules/${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}${KV_EXTRA}/build). |
| 410 | get_version() { |
436 | get_version() { |
| 411 | local kbuild_output |
437 | local kbuild_output mkfunc tmplocal |
| 412 | |
438 | |
| 413 | # no need to execute this twice assuming KV_FULL is populated. |
439 | # no need to execute this twice assuming KV_FULL is populated. |
| 414 | # we can force by unsetting KV_FULL |
440 | # we can force by unsetting KV_FULL |
| 415 | [ -n "${KV_FULL}" ] && return 0 |
441 | [ -n "${KV_FULL}" ] && return 0 |
| 416 | |
442 | |
| 417 | # if we dont know KV_FULL, then we need too. |
443 | # 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 |
444 | # make sure KV_DIR isnt set since we need to work it out via KERNEL_DIR |
| 419 | unset KV_DIR |
445 | unset KV_DIR |
| 420 | |
446 | |
| 421 | # 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 "${get_version_warning_done}" ] && \ |
| 422 | qeinfo "Determining the location of the kernel source code" |
449 | qeinfo "Determining the location of the kernel source code" |
| 423 | [ -h "${KERNEL_DIR}" ] && KV_DIR="$(readlink -f ${KERNEL_DIR})" |
450 | [ -h "${KERNEL_DIR}" ] && KV_DIR="$(readlink -f ${KERNEL_DIR})" |
| 424 | [ -d "${KERNEL_DIR}" ] && KV_DIR="${KERNEL_DIR}" |
451 | [ -d "${KERNEL_DIR}" ] && KV_DIR="${KERNEL_DIR}" |
| 425 | |
452 | |
| 426 | if [ -z "${KV_DIR}" ] |
453 | if [ -z "${KV_DIR}" ] |
| 427 | then |
454 | then |
|
|
455 | if [ -z "${get_version_warning_done}" ]; then |
|
|
456 | get_version_warning_done=1 |
| 428 | qeerror "Unable to find kernel sources at ${KERNEL_DIR}" |
457 | qeerror "Unable to find kernel sources at ${KERNEL_DIR}" |
| 429 | qeinfo "This package requires Linux sources." |
458 | #qeinfo "This package requires Linux sources." |
| 430 | if [ "${KERNEL_DIR}" == "/usr/src/linux" ] ; then |
459 | if [ "${KERNEL_DIR}" == "/usr/src/linux" ] ; then |
| 431 | qeinfo "Please make sure that ${KERNEL_DIR} points at your running kernel, " |
460 | qeinfo "Please make sure that ${KERNEL_DIR} points at your running kernel, " |
| 432 | qeinfo "(or the kernel you wish to build against)." |
461 | qeinfo "(or the kernel you wish to build against)." |
| 433 | qeinfo "Alternatively, set the KERNEL_DIR environment variable to the kernel sources location" |
462 | qeinfo "Alternatively, set the KERNEL_DIR environment variable to the kernel sources location" |
| 434 | else |
463 | else |
| 435 | qeinfo "Please ensure that the KERNEL_DIR environment variable points at full Linux sources of the kernel you wish to compile against." |
464 | qeinfo "Please ensure that the KERNEL_DIR environment variable points at full Linux sources of the kernel you wish to compile against." |
|
|
465 | fi |
| 436 | fi |
466 | fi |
| 437 | return 1 |
467 | return 1 |
| 438 | fi |
468 | fi |
| 439 | |
469 | |
|
|
470 | if [ -z "${get_version_warning_done}" ]; then |
| 440 | qeinfo "Found kernel source directory:" |
471 | qeinfo "Found kernel source directory:" |
| 441 | qeinfo " ${KV_DIR}" |
472 | qeinfo " ${KV_DIR}" |
|
|
473 | fi |
| 442 | |
474 | |
| 443 | if [ ! -s "${KV_DIR}/Makefile" ] |
475 | if [ ! -s "${KV_DIR}/Makefile" ] |
| 444 | then |
476 | then |
|
|
477 | if [ -z "${get_version_warning_done}" ]; then |
|
|
478 | get_version_warning_done=1 |
| 445 | qeerror "Could not find a Makefile in the kernel source directory." |
479 | 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" |
480 | qeerror "Please ensure that ${KERNEL_DIR} points to a complete set of Linux sources" |
|
|
481 | fi |
| 447 | return 1 |
482 | return 1 |
| 448 | fi |
483 | fi |
| 449 | |
484 | |
| 450 | # OK so now we know our sources directory, but they might be using |
485 | # OK so now we know our sources directory, but they might be using |
| 451 | # KBUILD_OUTPUT, and we need this for .config and localversions-* |
486 | # KBUILD_OUTPUT, and we need this for .config and localversions-* |
| 452 | # so we better find it eh? |
487 | # so we better find it eh? |
| 453 | # do we pass KBUILD_OUTPUT on the CLI? |
488 | # do we pass KBUILD_OUTPUT on the CLI? |
| 454 | OUTPUT_DIR="${OUTPUT_DIR:-${KBUILD_OUTPUT}}" |
489 | OUTPUT_DIR="${OUTPUT_DIR:-${KBUILD_OUTPUT}}" |
| 455 | |
490 | |
|
|
491 | # keep track of it |
|
|
492 | KERNEL_MAKEFILE="${KV_DIR}/Makefile" |
|
|
493 | |
|
|
494 | # Decide the function used to extract makefile variables. |
|
|
495 | mkfunc="$(get_makefile_extract_function "${KERNEL_MAKEFILE}")" |
|
|
496 | |
| 456 | # 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 |
| 457 | kbuild_output="$(getfilevar_noexec KBUILD_OUTPUT ${KV_DIR}/Makefile)" |
498 | kbuild_output="$(${mkfunc} KBUILD_OUTPUT ${KERNEL_MAKEFILE})" |
| 458 | OUTPUT_DIR="${OUTPUT_DIR:-${kbuild_output}}" |
499 | OUTPUT_DIR="${OUTPUT_DIR:-${kbuild_output}}" |
| 459 | |
500 | |
| 460 | # 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 |
| 461 | # directory name to find version information as this seems insane. |
502 | # directory name to find version information as this seems insane. |
| 462 | # so we parse ${KV_DIR}/Makefile |
503 | # so we parse ${KERNEL_MAKEFILE} |
| 463 | KV_MAJOR="$(getfilevar_noexec VERSION ${KV_DIR}/Makefile)" |
504 | KV_MAJOR="$(${mkfunc} VERSION ${KERNEL_MAKEFILE})" |
| 464 | KV_MINOR="$(getfilevar_noexec PATCHLEVEL ${KV_DIR}/Makefile)" |
505 | KV_MINOR="$(${mkfunc} PATCHLEVEL ${KERNEL_MAKEFILE})" |
| 465 | KV_PATCH="$(getfilevar_noexec SUBLEVEL ${KV_DIR}/Makefile)" |
506 | KV_PATCH="$(${mkfunc} SUBLEVEL ${KERNEL_MAKEFILE})" |
| 466 | KV_EXTRA="$(getfilevar_noexec EXTRAVERSION ${KV_DIR}/Makefile)" |
507 | KV_EXTRA="$(${mkfunc} EXTRAVERSION ${KERNEL_MAKEFILE})" |
| 467 | |
508 | |
| 468 | if [ -z "${KV_MAJOR}" -o -z "${KV_MINOR}" -o -z "${KV_PATCH}" ] |
509 | if [ -z "${KV_MAJOR}" -o -z "${KV_MINOR}" -o -z "${KV_PATCH}" ] |
| 469 | then |
510 | then |
|
|
511 | if [ -z "${get_version_warning_done}" ]; then |
|
|
512 | get_version_warning_done=1 |
| 470 | qeerror "Could not detect kernel version." |
513 | qeerror "Could not detect kernel version." |
| 471 | qeerror "Please ensure that ${KERNEL_DIR} points to a complete set of Linux sources." |
514 | qeerror "Please ensure that ${KERNEL_DIR} points to a complete set of Linux sources." |
|
|
515 | fi |
| 472 | return 1 |
516 | return 1 |
| 473 | fi |
517 | fi |
| 474 | |
518 | |
| 475 | # and in newer versions we can also pull LOCALVERSION if it is set. |
519 | # and in newer versions we can also pull LOCALVERSION if it is set. |
| 476 | # but before we do this, we need to find if we use a different object directory. |
520 | # but before we do this, we need to find if we use a different object directory. |
| 477 | # This *WILL* break if the user is using localversions, but we assume it was |
521 | # This *WILL* break if the user is using localversions, but we assume it was |
| 478 | # caught before this if they are. |
522 | # caught before this if they are. |
| 479 | [ "${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}${KV_EXTRA}" == "$(uname -r)" ] && \ |
|
|
| 480 | OUTPUT_DIR="${OUTPUT_DIR:-/lib/modules/${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}${KV_EXTRA}/build}" |
523 | OUTPUT_DIR="${OUTPUT_DIR:-/lib/modules/${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}${KV_EXTRA}/build}" |
| 481 | |
524 | |
| 482 | [ -h "${OUTPUT_DIR}" ] && KV_OUT_DIR="$(readlink -f ${OUTPUT_DIR})" |
525 | [ -h "${OUTPUT_DIR}" ] && KV_OUT_DIR="$(readlink -f ${OUTPUT_DIR})" |
| 483 | [ -d "${OUTPUT_DIR}" ] && KV_OUT_DIR="${OUTPUT_DIR}" |
526 | [ -d "${OUTPUT_DIR}" ] && KV_OUT_DIR="${OUTPUT_DIR}" |
| 484 | if [ -n "${KV_OUT_DIR}" ]; |
527 | if [ -n "${KV_OUT_DIR}" ]; |
| 485 | then |
528 | then |
| 486 | qeinfo "Found kernel object directory:" |
529 | qeinfo "Found kernel object directory:" |
| 487 | qeinfo " ${KV_OUT_DIR}" |
530 | qeinfo " ${KV_OUT_DIR}" |
| 488 | |
|
|
| 489 | KV_LOCAL="$(get_localversion ${KV_OUT_DIR})" |
|
|
| 490 | fi |
531 | fi |
| 491 | # and if we STILL have not got it, then we better just set it to KV_DIR |
532 | # and if we STILL have not got it, then we better just set it to KV_DIR |
| 492 | KV_OUT_DIR="${KV_OUT_DIR:-${KV_DIR}}" |
533 | KV_OUT_DIR="${KV_OUT_DIR:-${KV_DIR}}" |
| 493 | |
534 | |
| 494 | KV_LOCAL="${KV_LOCAL}$(get_localversion ${KV_DIR})" |
535 | # Grab the kernel release from the output directory. |
| 495 | if linux_config_exists; then |
536 | # TODO: we MUST detect kernel.release being out of date, and 'return 1' from |
| 496 | KV_LOCAL="${KV_LOCAL}$(linux_chkconfig_string LOCALVERSION)" |
537 | # this function. |
| 497 | KV_LOCAL="${KV_LOCAL//\"/}" |
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 |
| 498 | |
545 | |
| 499 | # For things like git that can append extra stuff: |
546 | # KV_LOCAL currently contains the full release; discard the first bits. |
| 500 | [ -e ${KV_DIR}/scripts/setlocalversion ] && |
547 | tmplocal=${KV_LOCAL#${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}${KV_EXTRA}} |
| 501 | linux_chkconfig_builtin LOCALVERSION_AUTO && |
548 | |
| 502 | KV_LOCAL="${KV_LOCAL}$(sh ${KV_DIR}/scripts/setlocalversion ${KV_DIR})" |
549 | # If the updated local version was not changed, the tree is not prepared. |
|
|
550 | # Clear out KV_LOCAL in that case. |
|
|
551 | # TODO: this does not detect a change in the localversion part between |
|
|
552 | # kernel.release and the value that would be generated. |
|
|
553 | if [ "$KV_LOCAL" = "$tmplocal" ]; then |
|
|
554 | KV_LOCAL= |
|
|
555 | else |
|
|
556 | KV_LOCAL=$tmplocal |
| 503 | fi |
557 | fi |
| 504 | |
558 | |
| 505 | # And we should set KV_FULL to the full expanded version |
559 | # And we should set KV_FULL to the full expanded version |
| 506 | 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}" |
| 507 | |
561 | |
| … | |
… | |
| 516 | # It gets the version of the current running kernel and the result is the same as get_version() if the |
570 | # 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. |
571 | # function can find the sources. |
| 518 | get_running_version() { |
572 | get_running_version() { |
| 519 | KV_FULL=$(uname -r) |
573 | KV_FULL=$(uname -r) |
| 520 | |
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 $? |
| 521 | if [[ -f ${ROOT}/lib/modules/${KV_FULL}/source/Makefile ]]; then |
581 | elif [[ -f ${ROOT}/lib/modules/${KV_FULL}/source/Makefile ]]; then |
| 522 | KERNEL_DIR=$(readlink -f ${ROOT}/lib/modules/${KV_FULL}/source) |
582 | KERNEL_DIR=$(readlink -f ${ROOT}/lib/modules/${KV_FULL}/source) |
| 523 | unset KV_FULL |
583 | unset KV_FULL |
| 524 | get_version |
584 | get_version |
| 525 | return $? |
585 | return $? |
| 526 | elif [[ -f ${ROOT}/lib/modules/${KV_FULL}/build/Makefile ]]; then |
586 | elif [[ -f ${ROOT}/lib/modules/${KV_FULL}/build/Makefile ]]; then |
| … | |
… | |
| 529 | get_version |
589 | get_version |
| 530 | return $? |
590 | return $? |
| 531 | else |
591 | else |
| 532 | KV_MAJOR=$(get_version_component_range 1 ${KV_FULL}) |
592 | KV_MAJOR=$(get_version_component_range 1 ${KV_FULL}) |
| 533 | KV_MINOR=$(get_version_component_range 2 ${KV_FULL}) |
593 | KV_MINOR=$(get_version_component_range 2 ${KV_FULL}) |
| 534 | KV_PATCH=$(get_version_component_range 3- ${KV_FULL}) |
594 | KV_PATCH=$(get_version_component_range 3 ${KV_FULL}) |
| 535 | KV_PATCH=${KV_PATCH//-*} |
595 | KV_PATCH=${KV_PATCH//-*} |
| 536 | [[ -n ${KV_FULL#*-} ]] && [[ -n ${KV_FULL//${KV_FULL#*-}} ]] \ |
596 | KV_EXTRA="${KV_FULL#${KV_MAJOR}.${KV_MINOR}.${KV_PATCH}}" |
| 537 | && KV_EXTRA="-${KV_FULL#*-}" |
|
|
| 538 | fi |
597 | fi |
| 539 | 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 [[ $? -ne 0 ]]; then |
|
|
611 | ewarn "Unable to calculate Linux Kernel version for build, attempting to use running version" |
|
|
612 | get_running_version |
|
|
613 | fi |
| 540 | } |
614 | } |
| 541 | |
615 | |
| 542 | |
616 | |
| 543 | # ebuild check functions |
617 | # ebuild check functions |
| 544 | # --------------------------------------- |
618 | # --------------------------------------- |
| … | |
… | |
| 549 | check_kernel_built() { |
623 | check_kernel_built() { |
| 550 | # if we haven't determined the version yet, we need to |
624 | # if we haven't determined the version yet, we need to |
| 551 | require_configured_kernel |
625 | require_configured_kernel |
| 552 | get_version |
626 | get_version |
| 553 | |
627 | |
|
|
628 | local versionh_path |
|
|
629 | if kernel_is -ge 3 7; then |
|
|
630 | versionh_path="include/generated/uapi/linux/version.h" |
|
|
631 | else |
|
|
632 | versionh_path="include/linux/version.h" |
|
|
633 | fi |
|
|
634 | |
| 554 | if [ ! -f "${KV_OUT_DIR}/include/linux/version.h" ] |
635 | if [ ! -f "${KV_OUT_DIR}/${versionh_path}" ] |
| 555 | then |
636 | then |
| 556 | eerror "These sources have not yet been prepared." |
637 | eerror "These sources have not yet been prepared." |
| 557 | eerror "We cannot build against an unprepared tree." |
638 | eerror "We cannot build against an unprepared tree." |
| 558 | eerror "To resolve this, please type the following:" |
639 | eerror "To resolve this, please type the following:" |
| 559 | eerror |
640 | eerror |
| … | |
… | |
| 588 | # It checks the kernel config options specified by CONFIG_CHECK. It dies only when a required config option (i.e. |
669 | # 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. |
670 | # the prefix ~ is not used) doesn't satisfy the directive. |
| 590 | check_extra_config() { |
671 | check_extra_config() { |
| 591 | local config negate die error reworkmodulenames |
672 | local config negate die error reworkmodulenames |
| 592 | local soft_errors_count=0 hard_errors_count=0 config_required=0 |
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}" |
| 593 | |
678 | |
| 594 | # if we haven't determined the version yet, we need to |
679 | # if we haven't determined the version yet, we need to |
| 595 | get_version |
680 | linux-info_get_any_version |
| 596 | |
681 | |
| 597 | # Determine if we really need a .config. The only time when we don't need |
682 | # 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 "~". |
683 | # one is when all of the CONFIG_CHECK options are prefixed with "~". |
| 599 | for config in ${CONFIG_CHECK} |
684 | for config in ${CONFIG_CHECK} |
| 600 | do |
685 | do |
| … | |
… | |
| 608 | # In the case where we don't require a .config, we can now bail out |
693 | # 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 |
694 | # if the user has no .config as there is nothing to do. Otherwise |
| 610 | # code later will cause a failure due to missing .config. |
695 | # code later will cause a failure due to missing .config. |
| 611 | if ! linux_config_exists; then |
696 | if ! linux_config_exists; then |
| 612 | ewarn "Unable to check for the following kernel config options due" |
697 | ewarn "Unable to check for the following kernel config options due" |
| 613 | ewarn "to absence of any configured kernel sources:" |
698 | ewarn "to absence of any configured kernel sources or compiled" |
|
|
699 | ewarn "config:" |
| 614 | for config in ${CONFIG_CHECK}; do |
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 |
| 615 | ewarn " - ${config#\~}" |
707 | ewarn " - ${config#\~}${msg:+ - }${msg}" |
| 616 | done |
708 | done |
| 617 | ewarn "You're on your own to make sure they are set if needed." |
709 | ewarn "You're on your own to make sure they are set if needed." |
|
|
710 | export LINUX_CONFIG_EXISTS_DONE="${old_LINUX_CONFIG_EXISTS_DONE}" |
| 618 | return 0 |
711 | return 0 |
| 619 | fi |
712 | fi |
| 620 | else |
713 | else |
| 621 | require_configured_kernel |
714 | require_configured_kernel |
| 622 | fi |
715 | fi |
| … | |
… | |
| 699 | if [[ ${hard_errors_count} > 0 ]]; then |
792 | if [[ ${hard_errors_count} > 0 ]]; then |
| 700 | eerror "Please check to make sure these options are set correctly." |
793 | eerror "Please check to make sure these options are set correctly." |
| 701 | eerror "Failure to do so may cause unexpected problems." |
794 | eerror "Failure to do so may cause unexpected problems." |
| 702 | eerror "Once you have satisfied these options, please try merging" |
795 | eerror "Once you have satisfied these options, please try merging" |
| 703 | eerror "this package again." |
796 | eerror "this package again." |
|
|
797 | export LINUX_CONFIG_EXISTS_DONE="${old_LINUX_CONFIG_EXISTS_DONE}" |
| 704 | die "Incorrect kernel configuration options" |
798 | die "Incorrect kernel configuration options" |
| 705 | elif [[ ${soft_errors_count} > 0 ]]; then |
799 | elif [[ ${soft_errors_count} > 0 ]]; then |
| 706 | ewarn "Please check to make sure these options are set correctly." |
800 | ewarn "Please check to make sure these options are set correctly." |
| 707 | ewarn "Failure to do so may cause unexpected problems." |
801 | ewarn "Failure to do so may cause unexpected problems." |
| 708 | else |
802 | else |
| 709 | eend 0 |
803 | eend 0 |
| 710 | fi |
804 | fi |
|
|
805 | export LINUX_CONFIG_EXISTS_DONE="${old_LINUX_CONFIG_EXISTS_DONE}" |
| 711 | } |
806 | } |
| 712 | |
807 | |
| 713 | check_zlibinflate() { |
808 | check_zlibinflate() { |
| 714 | # if we haven't determined the version yet, we need to |
809 | # if we haven't determined the version yet, we need to |
| 715 | require_configured_kernel |
810 | require_configured_kernel |
| … | |
… | |
| 786 | # @FUNCTION: linux-info_pkg_setup |
881 | # @FUNCTION: linux-info_pkg_setup |
| 787 | # @DESCRIPTION: |
882 | # @DESCRIPTION: |
| 788 | # Force a get_version() call when inherited from linux-mod.eclass and then check if the kernel is configured |
883 | # 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) |
884 | # to support the options specified in CONFIG_CHECK (if not null) |
| 790 | linux-info_pkg_setup() { |
885 | linux-info_pkg_setup() { |
| 791 | get_version |
886 | linux-info_get_any_version |
| 792 | if [[ $rc -ne 0 ]]; then |
|
|
| 793 | ewarn "Unable to calculate Linux Kernel version for build, attempting to use running version" |
|
|
| 794 | get_running_version |
|
|
| 795 | fi |
|
|
| 796 | |
887 | |
| 797 | if kernel_is 2 4; then |
888 | if kernel_is 2 4; then |
| 798 | if [ "$( gcc-major-version )" -eq "4" ] ; then |
889 | if [ "$( gcc-major-version )" -eq "4" ] ; then |
| 799 | echo |
890 | echo |
| 800 | ewarn "Be warned !! >=sys-devel/gcc-4.0.0 isn't supported with" |
891 | ewarn "Be warned !! >=sys-devel/gcc-4.0.0 isn't supported with" |
Parent Directory
| 
Revision Log
| 
Patch