4 # whether to enable various libcfs debugs (CDEBUG, ENTRY/EXIT, LASSERT, etc.)
6 AC_DEFUN([LIBCFS_CONFIG_CDEBUG], [
7 AC_MSG_CHECKING([whether to enable CDEBUG, CWARN])
8 AC_ARG_ENABLE([libcfs_cdebug],
9 AC_HELP_STRING([--disable-libcfs-cdebug],
10 [disable libcfs CDEBUG, CWARN]),
11 [], [enable_libcfs_cdebug="yes"])
12 AC_MSG_RESULT([$enable_libcfs_cdebug])
13 AS_IF([test "x$enable_libcfs_cdebug" = xyes],
14 [AC_DEFINE(CDEBUG_ENABLED, 1, [enable libcfs CDEBUG, CWARN])])
16 AC_MSG_CHECKING([whether to enable ENTRY/EXIT])
17 AC_ARG_ENABLE([libcfs_trace],
18 AC_HELP_STRING([--disable-libcfs-trace],
19 [disable libcfs ENTRY/EXIT]),
20 [], [enable_libcfs_trace="yes"])
21 AC_MSG_RESULT([$enable_libcfs_trace])
22 AS_IF([test "x$enable_libcfs_trace" = xyes],
23 [AC_DEFINE(CDEBUG_ENTRY_EXIT, 1, [enable libcfs ENTRY/EXIT])])
25 AC_MSG_CHECKING([whether to enable LASSERT, LASSERTF])
26 AC_ARG_ENABLE([libcfs_assert],
27 AC_HELP_STRING([--disable-libcfs-assert],
28 [disable libcfs LASSERT, LASSERTF]),
29 [], [enable_libcfs_assert="yes"])
30 AC_MSG_RESULT([$enable_libcfs_assert])
31 AS_IF([test x$enable_libcfs_assert = xyes],
32 [AC_DEFINE(LIBCFS_DEBUG, 1, [enable libcfs LASSERT, LASSERTF])])
33 ]) # LIBCFS_CONFIG_CDEBUG
36 # LIBCFS_CONFIG_PANIC_DUMPLOG
38 # check if tunable panic_dumplog is wanted
40 AC_DEFUN([LIBCFS_CONFIG_PANIC_DUMPLOG], [
41 AC_MSG_CHECKING([whether to use tunable 'panic_dumplog' support])
42 AC_ARG_ENABLE([panic_dumplog],
43 AC_HELP_STRING([--enable-panic_dumplog],
44 [enable panic_dumplog]),
45 [], [enable_panic_dumplog="no"])
46 AC_MSG_RESULT([$enable_panic_dumplog])
47 AS_IF([test "x$enable_panic_dumplog" = xyes],
48 [AC_DEFINE(LNET_DUMP_ON_PANIC, 1, [use dumplog on panic])])
49 ]) # LIBCFS_CONFIG_PANIC_DUMPLOG
52 # Kernel version 3.11 introduced ktime_get_ts64
54 AC_DEFUN([LIBCFS_KTIME_GET_TS64],[
55 LB_CHECK_COMPILE([does function 'ktime_get_ts64' exist],
57 #include <linux/hrtimer.h>
58 #include <linux/ktime.h>
60 struct timespec64 *ts = NULL;
64 AC_DEFINE(HAVE_KTIME_GET_TS64, 1,
65 ['ktime_get_ts64' is available])
67 ]) # LIBCFS_KTIME_GET_TS64
70 # Kernel version 3.12-rc4 commit c2d816443ef30 added prepare_to_wait_event()
72 AC_DEFUN([LIBCFS_PREPARE_TO_WAIT_EVENT],[
73 LB_CHECK_COMPILE([does function 'prepare_to_wait_event' exist],
74 prepare_to_wait_event, [
75 #include <linux/wait.h>
77 prepare_to_wait_event(NULL, NULL, 0);
79 AC_DEFINE(HAVE_PREPARE_TO_WAIT_EVENT, 1,
80 ['prepare_to_wait_event' is available])
82 ]) # LIBCFS_PREPARE_TO_WAIT_EVENT
85 # Linux kernel 3.12 introduced struct kernel_param_ops
86 # This has been backported to all lustre supported
87 # clients except RHEL6. We have to handle the differences.
89 AC_DEFUN([LIBCFS_KERNEL_PARAM_OPS],[
90 LB_CHECK_COMPILE([does 'struct kernel_param_ops' exist],
92 #include <linux/module.h>
94 struct kernel_param_ops ops;
98 AC_DEFINE(HAVE_KERNEL_PARAM_OPS, 1,
99 ['struct kernel_param_ops' is available])
101 ]) # LIBCFS_KERNEL_PARAM_OPS
104 # Kernel version 3.12 introduced ktime_add
106 AC_DEFUN([LIBCFS_KTIME_ADD],[
107 LB_CHECK_COMPILE([does function 'ktime_add' exist],
109 #include <linux/hrtimer.h>
110 #include <linux/ktime.h>
112 ktime_t start = ktime_set(0, 0);
116 total = ktime_add(start, end);
118 AC_DEFINE(HAVE_KTIME_ADD, 1,
119 [ktime_add is available])
121 ]) # LIBCFS_KTIME_ADD
124 # Kernel version 3.12 introduced ktime_after
126 AC_DEFUN([LIBCFS_KTIME_AFTER],[
127 LB_CHECK_COMPILE([does function 'ktime_after' exist],
129 #include <linux/hrtimer.h>
130 #include <linux/ktime.h>
132 ktime_t start = ktime_set(0, 0);
135 ktime_after(start, end);
137 AC_DEFINE(HAVE_KTIME_AFTER, 1,
138 [ktime_after is available])
140 ]) # LIBCFS_KTIME_AFTER
143 # Kernel version 3.12 introduced ktime_before
144 # See linux commit 67cb9366ff5f99868100198efba5ca88aaa6ad25
146 AC_DEFUN([LIBCFS_KTIME_BEFORE],[
147 LB_CHECK_COMPILE([does function 'ktime_before' exist],
149 #include <linux/hrtimer.h>
150 #include <linux/ktime.h>
152 ktime_t start = ktime_set(0, 0);
155 ktime_before(start, end);
157 AC_DEFINE(HAVE_KTIME_BEFORE, 1,
158 [ktime_before is available])
160 ]) # LIBCFS_KTIME_BEFORE
163 # Kernel version 3.12 introduced ktime_compare
165 AC_DEFUN([LIBCFS_KTIME_COMPARE],[
166 LB_CHECK_COMPILE([does function 'ktime_compare' exist],
168 #include <linux/hrtimer.h>
169 #include <linux/ktime.h>
171 ktime_t start = ktime_set(0, 0);
174 ktime_compare(start, end);
176 AC_DEFINE(HAVE_KTIME_COMPARE, 1,
177 [ktime_compare is available])
179 ]) # LIBCFS_KTIME_COMPARE
182 # FC19 3.12 kernel struct shrinker change
184 AC_DEFUN([LIBCFS_SHRINKER_COUNT],[
185 LB_CHECK_COMPILE([shrinker has 'count_objects'],
186 shrinker_count_objects, [
187 #include <linux/mmzone.h>
188 #include <linux/shrinker.h>
190 struct shrinker shrinker;
192 shrinker.count_objects = NULL;
194 AC_DEFINE(HAVE_SHRINKER_COUNT, 1,
195 [shrinker has count_objects member])
197 ]) # LIBCFS_SHRINKER_COUNT
200 # Kernel version 3.13 commit aace05097a0fd467230e39acb148be0fdaa90068
201 # add match_wildcard() function.
203 AC_DEFUN([LIBCFS_MATCH_WILDCARD],[
204 LB_CHECK_COMPILE([does function 'match_wildcard' exist],
206 #include <linux/parser.h>
210 match = match_wildcard(NULL, NULL);
212 AC_DEFINE(HAVE_MATCH_WILDCARD, 1,
213 [match_wildcard() is available])
215 ]) # LIBCFS_MATCH_WILDCARD
218 # LIBCFS_HAVE_MAPPING_AS_EXITING_FLAG
220 # v3.14-7405-g91b0abe36a7b added AS_EXITING flag with
221 # mapping_exiting() and mapping_set_exiting()
223 AC_DEFUN([LIBCFS_HAVE_MAPPING_AS_EXITING_FLAG], [
224 m4_pattern_allow([AS_EXITING])
225 tmp_flags="$EXTRA_KCFLAGS"
226 EXTRA_KCFLAGS="-Werror"
227 LB_CHECK_COMPILE([if enum mapping_flags has AS_EXITING flag],
228 mapping_exiting_exists, [
229 #include <linux/pagemap.h>
231 enum mapping_flags flag = AS_EXITING;
234 AC_DEFINE(HAVE_MAPPING_AS_EXITING_FLAG, 1,
235 [enum mapping_flags has AS_EXITING flag])
237 EXTRA_KCFLAGS="$tmp_flags"
238 ]) # LIBCFS_HAVE_MAPPING_AS_EXITING_FLAG
241 # LIBCFS_IOV_ITER_HAS_TYPE
243 # kernel 3.15-rc4 commit 71d8e532b1549a478e6a6a8a44f309d050294d00
244 # start adding the tag to iov_iter
246 AC_DEFUN([LIBCFS_IOV_ITER_HAS_TYPE], [
247 tmp_flags="$EXTRA_KCFLAGS"
248 EXTRA_KCFLAGS="-Werror"
249 LB_CHECK_COMPILE([if iov_iter has member type],
250 iov_iter_has_type_member, [
251 #include <linux/uio.h>
253 struct iov_iter iter = { .type = ITER_KVEC };
256 AC_DEFINE(HAVE_IOV_ITER_HAS_TYPE_MEMBER, 1,
257 [if iov_iter has member type])
259 EXTRA_KCFLAGS="$tmp_flags"
260 ]) # LIBCFS_IOV_ITER_HAS_TYPE
263 # LIBCFS_HAVE_NS_TO_TIMESPEC64
265 # Kernel version 4.16-rc3 commit a84d1169164b274f13b97a23ff235c000efe3b49
266 # introduced struct __kernel_old_timeval
268 AC_DEFUN([LIBCFS_HAVE_NS_TO_TIMESPEC64],[
269 LB_CHECK_COMPILE([does 'ns_to_timespec64()' exist],
270 kernel_old_timeval, [
271 #include <linux/time.h>
273 struct timespec64 kts;
275 kts = ns_to_timespec64(0);
277 AC_DEFINE(HAVE_NS_TO_TIMESPEC64, 1,
278 [ns_to_timespec64() is available])
280 ]) # LIBCFS_HAVE_NS_TO_TIMESPEC64
283 # Kernel version 3.17 changed hlist_add_after to
286 AC_DEFUN([LIBCFS_HLIST_ADD_AFTER],[
287 LB_CHECK_COMPILE([does function 'hlist_add_after' exist],
289 #include <linux/list.h>
291 hlist_add_after(NULL, NULL);
293 AC_DEFINE(HAVE_HLIST_ADD_AFTER, 1,
294 [hlist_add_after is available])
296 ]) # LIBCFS_HLIST_ADD_AFTER
299 # Kernel version 3.17 introduced struct timespec64
301 AC_DEFUN([LIBCFS_TIMESPEC64],[
302 LB_CHECK_COMPILE([does 'struct timespec64' exist],
304 #include <linux/time.h>
306 struct timespec64 ts;
311 AC_DEFINE(HAVE_TIMESPEC64, 1,
312 ['struct timespec64' is available])
314 ]) # LIBCFS_TIMESPEC64
317 # Kernel version 3.17 introduced ktime_get_real_ts64
319 AC_DEFUN([LIBCFS_KTIME_GET_REAL_TS64],[
320 LB_CHECK_COMPILE([does function 'ktime_get_real_ts64' exist],
321 ktime_get_real_ts64, [
322 #include <linux/ktime.h>
324 struct timespec64 *ts = NULL;
326 ktime_get_real_ts64(ts);
328 AC_DEFINE(HAVE_KTIME_GET_REAL_TS64, 1,
329 ['ktime_get_real_ts64' is available])
331 ]) # LIBCFS_KTIME_GET_REAL_TS64
334 # Kernel version 3.17 introduced ktime_get_real_seconds
336 AC_DEFUN([LIBCFS_KTIME_GET_REAL_SECONDS],[
337 LB_CHECK_COMPILE([does function 'ktime_get_real_seconds' exist],
338 ktime_get_real_seconds, [
339 #include <linux/hrtimer.h>
340 #include <linux/ktime.h>
344 now = ktime_get_real_seconds();
346 AC_DEFINE(HAVE_KTIME_GET_REAL_SECONDS, 1,
347 ['ktime_get_real_seconds' is available])
349 ]) # LIBCFS_KTIME_GET_REAL_SECONDS
352 # Kernel version 3.17 created ktime_get_ns wrapper
354 AC_DEFUN([LIBCFS_KTIME_GET_NS],[
355 LB_CHECK_COMPILE([does function 'ktime_get_ns' exist],
357 #include <linux/hrtimer.h>
358 #include <linux/ktime.h>
362 nanoseconds = ktime_get_ns();
364 AC_DEFINE(NEED_KTIME_GET_NS, 1,
365 ['ktime_get_ns' is not available])
367 ]) # LIBCFS_KTIME_GET_NS
370 # Kernel version 3.17 created ktime_get_real_ns wrapper
372 AC_DEFUN([LIBCFS_KTIME_GET_REAL_NS],[
373 LB_CHECK_COMPILE([does function 'ktime_get_real_ns' exist],
375 #include <linux/hrtimer.h>
376 #include <linux/ktime.h>
380 nanoseconds = ktime_get_real_ns();
382 AC_DEFINE(NEED_KTIME_GET_REAL_NS, 1,
383 ['ktime_get_real_ns' is not available])
385 ]) # LIBCFS_KTIME_GET_REAL_NS
388 # Kernel version 3.17 introduced ktime_to_timespec64
390 AC_DEFUN([LIBCFS_KTIME_TO_TIMESPEC64],[
391 LB_CHECK_COMPILE([does function 'ktime_to_timespec64' exist],
392 ktime_to_timespec64, [
393 #include <linux/hrtimer.h>
394 #include <linux/ktime.h>
396 ktime_t now = ktime_set(0, 0);
397 struct timespec64 ts;
399 ts = ktime_to_timespec64(now);
401 AC_DEFINE(HAVE_KTIME_TO_TIMESPEC64, 1,
402 ['ktime_to_timespec64' is available])
404 ]) # LIBCFS_KTIME_TO_TIMESPEC64
407 # Kernel version 3.17 introduced timespec64_sub
409 AC_DEFUN([LIBCFS_TIMESPEC64_SUB],[
410 LB_CHECK_COMPILE([does function 'timespec64_sub' exist],
412 #include <linux/time.h>
414 struct timespec64 later = { }, earlier = { }, diff;
416 diff = timespec64_sub(later, earlier);
418 AC_DEFINE(HAVE_TIMESPEC64_SUB, 1,
419 ['timespec64_sub' is available])
421 ]) # LIBCFS_TIMESPEC64_SUB
424 # Kernel version 3.17 introduced timespec64_to_ktime
426 AC_DEFUN([LIBCFS_TIMESPEC64_TO_KTIME],[
427 LB_CHECK_COMPILE([does function 'timespec64_to_ktime' exist],
428 timespec64_to_ktime, [
429 #include <linux/ktime.h>
431 struct timespec64 ts;
434 now = timespec64_to_ktime(ts);
436 AC_DEFINE(HAVE_TIMESPEC64_TO_KTIME, 1,
437 ['timespec64_to_ktime' is available])
439 ]) # LIBCFS_TIMESPEC64_TO_KTIME
442 # Kernel version 3.19 introduced ktime_get_seconds
444 AC_DEFUN([LIBCFS_KTIME_GET_SECONDS],[
445 LB_CHECK_COMPILE([does function 'ktime_get_seconds' exist],
447 #include <linux/ktime.h>
451 now = ktime_get_seconds();
453 AC_DEFINE(HAVE_KTIME_GET_SECONDS, 1,
454 ['ktime_get_seconds' is available])
456 ]) # LIBCFS_KTIME_GET_SECONDS
459 # Kernel version 3.19 commit v3.18-rc2-26-g61ada528dea0
460 # introduce wait_woken()
462 AC_DEFUN([LIBCFS_WAIT_WOKEN],[
463 LB_CHECK_COMPILE([does function 'wait_woken' exist],
465 #include <linux/wait.h>
467 wait_woken(NULL, 0, 0);
469 AC_DEFINE(HAVE_WAIT_WOKEN, 1,
470 ['wait_woken, is available'])
472 ]) # LIBCFS_WAIT_WOKEN
475 # Kernel version 4.0 commit 41fbf3b39d5eca01527338b4d0ee15ee1ae1023c
476 # introduced the helper function ktime_ms_delta.
478 AC_DEFUN([LIBCFS_KTIME_MS_DELTA],[
479 LB_CHECK_COMPILE([does function 'ktime_ms_delta' exist],
481 #include <linux/ktime.h>
483 ktime_t start = ktime_set(0, 0);
486 ktime_ms_delta(start, end);
488 AC_DEFINE(HAVE_KTIME_MS_DELTA, 1,
489 ['ktime_ms_delta' is available])
491 ]) # LIBCFS_KTIME_MS_DELTA
494 # Kernel version 4.1 commit b51d23e4e9fea6f264d39535c2a62d1f51e7ccc3
495 # create per module locks which added kernel_param_[un]lock(). Older
496 # kernels you have to use __kernel_param_[un]lock(). In that case its
497 # a global lock for all modules but that is okay since its a rare event.
499 AC_DEFUN([LIBCFS_KERNEL_PARAM_LOCK],[
500 LB_CHECK_COMPILE([does function 'kernel_param_[un]lock' exist],
502 #include <linux/moduleparam.h>
504 kernel_param_lock(NULL);
505 kernel_param_unlock(NULL);
507 AC_DEFINE(HAVE_KERNEL_PARAM_LOCK, 1,
508 ['kernel_param_[un]lock' is available])
510 ]) # LIBCFS_KERNEL_PARAM_LOCK
513 # Kernel version 4.2 changed topology_thread_cpumask
514 # to topology_sibling_cpumask
516 AC_DEFUN([LIBCFS_HAVE_TOPOLOGY_SIBLING_CPUMASK],[
517 LB_CHECK_COMPILE([does function 'topology_sibling_cpumask' exist],
518 topology_sibling_cpumask, [
519 #include <linux/topology.h>
521 const struct cpumask *mask;
523 mask = topology_sibling_cpumask(0);
525 AC_DEFINE(HAVE_TOPOLOGY_SIBLING_CPUMASK, 1,
526 [topology_sibling_cpumask is available])
528 ]) # LIBCFS_HAVE_TOPOLOGY_SIBLING_CPUMASK
531 # Kernel version 4.4 commit ef951599074ba4fad2d0efa0a977129b41e6d203
532 # introduced kstrtobool and kstrtobool_from_user.
534 AC_DEFUN([LIBCFS_KSTRTOBOOL_FROM_USER], [
535 LB_CHECK_COMPILE([if Linux kernel has 'kstrtobool_from_user'],
536 kstrtobool_from_user, [
537 #include <linux/kernel.h>
540 return kstrtobool_from_user(NULL, 0, &result);
542 AC_DEFINE(HAVE_KSTRTOBOOL_FROM_USER, 1,
543 [kernel has kstrtobool_from_user])
545 ]) # LIBCFS_KSTRTOBOOL_FROM_USER
548 # LIBCFS_NETLINK_CALLBACK_START
550 # Kernel version 4.4-rc3 commit fc9e50f5a5a4e1fa9ba2756f745a13e693cf6a06
551 # added a start function callback for struct netlink_callback
553 AC_DEFUN([LIBCFS_NETLINK_CALLBACK_START], [
554 LB_CHECK_COMPILE([if struct genl_ops has start callback],
556 #include <net/genetlink.h>
562 AC_DEFINE(HAVE_NETLINK_CALLBACK_START, 1,
563 [struct genl_ops has 'start' callback])
565 ]) # LIBCFS_NETLINK_CALLBACK_START
568 # Kernel version 4.5-rc1 commit d12481bc58fba89427565f8592e88446ec084a24
569 # added crypto hash helpers
571 AC_DEFUN([LIBCFS_CRYPTO_HASH_HELPERS], [
572 LB_CHECK_COMPILE([does crypto hash helper functions exist],
573 crypto_hash_helpers, [
574 #include <crypto/hash.h>
576 crypto_ahash_alg_name(NULL);
577 crypto_ahash_driver_name(NULL);
579 AC_DEFINE(HAVE_CRYPTO_HASH_HELPERS, 1,
580 [crypto hash helper functions are available])
582 ]) # LIBCFS_CRYPTO_HASH_HELPERS
585 # Kernel version 4.5-rc1 commit 3502cad73c4bbf8f6365d539e814159275252c59
586 # introduced rhashtable_replace_fast
588 AC_DEFUN([LIBCFS_RHASHTABLE_REPLACE], [
589 LB_CHECK_COMPILE([if 'rhashtable_replace_fast' exists],
590 rhashtable_replace_fast, [
591 #include <linux/rhashtable.h>
593 const struct rhashtable_params params = { 0 };
595 rhashtable_replace_fast(NULL, NULL, NULL, params);
597 AC_DEFINE(HAVE_RHASHTABLE_REPLACE, 1,
598 [rhashtable_replace_fast() is available])
600 ]) # LIBCFS_RHASHTABLE_REPLACE
603 # Kernel version 4.5-rc3 commit 2fe829aca9d7bed5fd6b49c6a1452e5e486b6cc3dd
604 # made kset_find_obj() exportable to modules
606 AC_DEFUN([LIBCFS_EXPORT_KSET_FIND_OBJ], [
607 LB_CHECK_EXPORT([kset_find_obj], [lib/kobject.c],
608 [AC_DEFINE(HAVE_KSET_FIND_OBJ, 1,
609 [kset_find_obj is exported by the kernel])])
610 ]) # LIBCFS_EXPORT_KSET_FIND_OBJ
613 # Kernel version 4.6+ commit ef703f49a6c5b909a85149bb6625c4ed0d697186
614 # fixed the brokenness of hash_64(). The fix removed GOLDEN_RATIO_PRIME_64
615 # since it was a poor prime value.
617 AC_DEFUN([LIBCFS_BROKEN_HASH_64], [
618 LB_CHECK_COMPILE([kernel has fixed hash_64()],
620 #include <linux/hash.h>
622 int tmp = GOLDEN_RATIO_PRIME_64;
624 AC_DEFINE(HAVE_BROKEN_HASH_64, 1, [kernel hash_64() is broken])
626 ]) # LIBCFS_BROKEN_HASH_64
629 # LIBCFS_STACKTRACE_OPS_ADDRESS_RETURN_INT
631 # linux 4.6 kernel changed stacktrace_ops address to return an int
633 AC_DEFUN([LIBCFS_STACKTRACE_OPS_ADDRESS_RETURN_INT], [
634 LB_CHECK_COMPILE([if 'struct stacktrace_ops' address function returns an int],
635 stacktrace_ops_address_return_int, [
636 #include <asm/stacktrace.h>
640 rc = ((struct stacktrace_ops *)0)->address(NULL, 0, 0);
642 AC_DEFINE(STACKTRACE_OPS_ADDRESS_RETURN_INT, 1,
643 ['struct stacktrace_ops' address function returns an int])
645 ]) # LIBCFS_STACKTRACE_OPS_ADDRESS_RETURN_INT
648 # Kernel version 4.6 removed both struct task_struct and struct mm_struct
649 # arguments to get_user_pages
651 AC_DEFUN([LIBCFS_GET_USER_PAGES_6ARG], [
652 LB_CHECK_COMPILE([if 'get_user_pages()' takes 6 arguments],
653 get_user_pages_6arg, [
654 #include <linux/mm.h>
658 rc = get_user_pages(0, 0, 0, 0, NULL, NULL);
660 AC_DEFINE(HAVE_GET_USER_PAGES_6ARG, 1,
661 [get_user_pages takes 6 arguments])
663 ]) # LIBCFS_GET_USER_PAGES_6ARG
668 # 4.6 kernel created stringhash.h which moved stuff out of dcache.h
669 # commit f4bcbe792b8f434e32487cff9d9e30ab45a3ce02
671 AC_DEFUN([LIBCFS_STRINGHASH], [
672 LB_CHECK_LINUX_HEADER([linux/stringhash.h], [
673 AC_DEFINE(HAVE_STRINGHASH, 1,
674 [stringhash.h is present])])
675 ]) # LIBCFS_STRINGHASH
678 # LIBCFS_RHASHTABLE_INSERT_FAST
680 # 4.7+ kernel commit 5ca8cc5bf11faed257c762018aea9106d529232f
681 # changed __rhashtable_insert_fast to support the new function
682 # rhashtable_lookup_get_insert_key().
684 AC_DEFUN([LIBCFS_RHASHTABLE_INSERT_FAST], [
685 tmp_flags="$EXTRA_KCFLAGS"
686 EXTRA_KCFLAGS="-Werror"
687 LB_CHECK_COMPILE([if internal '__rhashtable_insert_fast()' returns int],
688 rhashtable_insert_fast, [
689 #include <linux/rhashtable.h>
691 const struct rhashtable_params params = { 0 };
694 rc = __rhashtable_insert_fast(NULL, NULL, NULL, params);
696 AC_DEFINE(HAVE_HASHTABLE_INSERT_FAST_RETURN_INT, 1,
697 ['__rhashtable_insert_fast()' returns int])
699 EXTRA_KCFLAGS="$tmp_flags"
700 ]) # LIBCFS_RHASHTABLE_INSERT_FAST
703 # Kernel version 4.7-rc1 commit 8f6fd83c6c5ec66a4a70c728535ddcdfef4f3697
704 # added 3rd arg to rhashtable_walk_init
706 AC_DEFUN([LIBCFS_RHASHTABLE_WALK_INIT_3ARG], [
707 LB_CHECK_COMPILE([if 'rhashtable_walk_init' has 3 args],
708 rhashtable_walk_init, [
709 #include <linux/gfp.h>
710 #include <linux/rhashtable.h>
712 rhashtable_walk_init(NULL, NULL, GFP_KERNEL);
714 AC_DEFINE(HAVE_3ARG_RHASHTABLE_WALK_INIT, 1,
715 [rhashtable_walk_init() has 3 args])
717 ]) # LIBCFS_RHASHTABLE_WALK_INIT_3ARG
720 # Kernel version 4.8-rc6 commit ca26893f05e86497a86732768ec53cd38c0819ca
721 # introduced rhashtable_lookup
723 AC_DEFUN([LIBCFS_RHASHTABLE_LOOKUP], [
724 LB_CHECK_COMPILE([if 'rhashtable_lookup' exist],
726 #include <linux/rhashtable.h>
728 const struct rhashtable_params params = { 0 };
731 ret = rhashtable_lookup(NULL, NULL, params);
733 AC_DEFINE(HAVE_RHASHTABLE_LOOKUP, 1,
734 [rhashtable_lookup() is available])
736 ]) # LIBCFS_RHASHTABLE_LOOKUP
740 # Kernel version 4.8-rc6 commit ca26893f05e86497a86732768ec53cd38c0819ca
741 # created the rhlist interface to allow inserting duplicate objects
742 # into the same table.
744 AC_DEFUN([LIBCFS_RHLTABLE], [
745 LB_CHECK_COMPILE([does 'struct rhltable' exist],
747 #include <linux/rhashtable.h>
749 struct rhltable *hlt;
751 rhltable_destroy(hlt);
753 AC_DEFINE(HAVE_RHLTABLE, 1,
754 [struct rhltable exist])
759 # LIBCFS_STACKTRACE_OPS
761 # Kernel version 4.8 commit c8fe4609827aedc9c4b45de80e7cdc8ccfa8541b
762 # removed both struct stacktrace_ops and dump_trace() function
764 AC_DEFUN([LIBCFS_STACKTRACE_OPS], [
765 LB_CHECK_COMPILE([if 'struct stacktrace_ops' exists],
769 #include <asm/stacktrace.h>
771 struct stacktrace_ops ops;
774 AC_DEFINE(HAVE_STACKTRACE_OPS, 1,
775 [struct stacktrace_ops exists])
777 ]) # LIBCFS_STACKTRACE_OPS
780 # Kernel version 4.9-rc1 commit 246779dd090bd1b74d2652b3a6ca7759f593b27a
781 # introduced rhashtable_walk_enter
783 AC_DEFUN([LIBCFS_RHASHTABLE_WALK_ENTER], [
784 LB_CHECK_COMPILE([if 'rhashtable_walk_enter' exists],
785 rhashtable_walk_enter, [
786 #include <linux/rhashtable.h>
788 rhashtable_walk_enter(NULL, NULL);
790 AC_DEFINE(HAVE_RHASHTABLE_WALK_ENTER, 1,
791 [rhashtable_walk_enter() is available])
793 ]) # LIBCFS_RHASHTABLE_WALK_ENTER
796 # Kernel version 4.9 commit 768ae309a96103ed02eb1e111e838c87854d8b51
797 # mm: replace get_user_pages() write/force parameters with gup_flags
799 AC_DEFUN([LIBCFS_GET_USER_PAGES_GUP_FLAGS], [
800 LB_CHECK_COMPILE([if 'get_user_pages()' takes gup_flags in arguments],
801 get_user_pages_gup_flags, [
802 #include <linux/mm.h>
805 rc = get_user_pages(0, 0, FOLL_WRITE, NULL, NULL);
807 AC_DEFINE(HAVE_GET_USER_PAGES_GUP_FLAGS, 1,
808 [get_user_pages takes gup_flags in arguments])
810 ]) # LIBCFS_GET_USER_PAGES_GUP_FLAGS
813 # Kernel version 4.10 commit 7b737965b33188bd3dbb44e938535c4006d97fbb
814 # libcfs: Convert to hotplug state machine
816 AC_DEFUN([LIBCFS_HOTPLUG_STATE_MACHINE], [
817 LB_CHECK_COMPILE([if libcfs supports CPU hotplug state machine],
818 cpu_hotplug_state_machine, [
819 #include <linux/cpuhotplug.h>
821 cpuhp_remove_state(CPUHP_LUSTRE_CFS_DEAD);
823 AC_DEFINE(HAVE_HOTPLUG_STATE_MACHINE, 1,
824 [hotplug state machine is supported])
826 ]) # LIBCFS_HOTPLUG_STATE_MACHINE
829 # Kernel version 4.10-rc3 commit f405df5de3170c00e5c54f8b7cf4766044a032ba
830 # introduced refcount_t which is atomic_t plus over flow guards.
832 AC_DEFUN([LIBCFS_REFCOUNT_T], [
833 tmp_flags="$EXTRA_KCFLAGS"
834 EXTRA_KCFLAGS="-Werror"
835 LB_CHECK_LINUX_HEADER([linux/refcount.h], [
836 AC_DEFINE(HAVE_REFCOUNT_T, 1,
837 [refcount_t is supported])
839 EXTRA_KCFLAGS="$tmp_flags"
840 ]) # LIBCFS_REFCOUNT_T
843 # Kernel version 4.12 commit 499118e966f1d2150bd66647c8932343c4e9a0b8
844 # introduce memalloc_noreclaim_{save,restore}
846 AC_DEFUN([LIBCFS_MEMALLOC_NORECLAIM], [
847 LB_CHECK_COMPILE([if memalloc_noreclaim_{save,restore} exist],
848 memalloc_noreclaim, [
849 #include <linux/sched/mm.h>
851 int flag = memalloc_noreclaim_save();
852 memalloc_noreclaim_restore(flag);
854 AC_DEFINE(HAVE_MEMALLOC_RECLAIM, 1,
855 [memalloc_noreclaim_{save,restore}() is supported])
857 ]) # LIBCFS_MEMALLOC_NORECLAIM
860 # LIBCFS_SCHED_HEADERS
862 # 4.11 has broken up sched.h into more headers.
864 AC_DEFUN([LIBCFS_SCHED_HEADERS], [
865 LB_CHECK_LINUX_HEADER([linux/sched/signal.h], [
866 AC_DEFINE(HAVE_SCHED_HEADERS, 1,
867 [linux/sched header directory exist])])
868 ]) # LIBCFS_SCHED_HEADERS
871 # Kernel version 4.11-rc1 commit 2c935bc57221cc2edc787c72ea0e2d30cdcd3d5e
872 # introduce kref_read
874 AC_DEFUN([LIBCFS_KREF_READ], [
875 LB_CHECK_COMPILE([if 'kref_read' exists],
877 #include <linux/kref.h>
881 AC_DEFINE(HAVE_KREF_READ, 1,
882 [kref_read() is available])
884 ]) # LIBCFS_KREF_READ
887 # Kernel version 4.11-rc1 commit da20420f83ea0fbcf3d03afda08d971ea1d8a356
888 # introduced rht_bucket_var
890 AC_DEFUN([LIBCFS_RHT_BUCKET_VAR], [
891 LB_CHECK_COMPILE([if 'rht_bucket_var' exists],
893 #include <linux/rhashtable.h>
896 rht_bucket_var(NULL, 0);
898 AC_DEFINE(HAVE_RHT_BUCKET_VAR, 1,
899 [rht_bucket_var() is available])
901 ]) # LIBCFS_RHT_BUCKET_VAR
904 # Kernel version 4.11-rc5 commit fceb6435e85298f747fee938415057af837f5a8a
905 # began the enhanchement of Netlink with extended ACK struct for advanced
906 # error handling. By commit 7ab606d1609dd6dfeae9c8ad0a8a4e051d831e46 we
907 # had full support for this new feature.
909 AC_DEFUN([LIBCFS_NL_EXT_ACK], [
910 LB_CHECK_COMPILE([if Netlink supports netlink_ext_ack],
912 #include <net/genetlink.h>
914 struct genl_info info;
918 AC_DEFINE(HAVE_NL_PARSE_WITH_EXT_ACK, 1,
919 [netlink_ext_ack is an argument to nla_parse type function])
921 ]) # LIBCFS_NL_EXT_ACK
924 # Kernel version 4.11 commit f9fe1c12d126f9887441fa5bb165046f30ddd4b5
925 # introduced rhashtable_lookup_get_insert_fast
927 AC_DEFUN([LIBCFS_RHASHTABLE_LOOKUP_GET_INSERT_FAST], [
928 LB_CHECK_COMPILE([if 'rhashtable_lookup_get_insert_fast' exist],
929 rhashtable_lookup_get_insert_fast, [
930 #include <linux/rhashtable.h>
932 const struct rhashtable_params params = { 0 };
935 ret = rhashtable_lookup_get_insert_fast(NULL, NULL, params);
937 AC_DEFINE(HAVE_RHASHTABLE_LOOKUP_GET_INSERT_FAST, 1,
938 [rhashtable_lookup_get_insert_fast() is available])
940 ]) # LIBCFS_RHASHTABLE_LOOKUP_GET_INSERT_FAST
943 # Kernel version 4.12-rc2 8f553c498e1772cccb39a114da4a498d22992758
944 # provide proper CPU hotplug locking
946 AC_DEFUN([LIBCFS_CPUS_READ_LOCK], [
947 LB_CHECK_COMPILE([if 'cpus_read_[un]lock' exist],
949 #include <linux/cpu.h>
954 AC_DEFINE(HAVE_CPUS_READ_LOCK, 1, ['cpus_read_lock' exist])
956 ]) # LIBCFS_CPUS_READ_LOCK
959 # Kernel version 4.12-rc3 f9727a17db9bab71ddae91f74f11a8a2f9a0ece6
960 # renamed uuid_be to uuid_t
962 AC_DEFUN([LIBCFS_UUID_T], [
963 LB_CHECK_COMPILE([if 'uuid_t' exist],
965 #include <linux/uuid.h>
969 memset(uuid.b, 0, 16);
971 AC_DEFINE(HAVE_UUID_T, 1, ['uuid_t' exist])
976 # Kernel version 4.12-rc3 commit fd851a3cdc196bfc1d229b5f22369069af532bf8
977 # introduce processor.h
979 AC_DEFUN([LIBCFS_HAVE_PROCESSOR_HEADER], [
980 tmp_flags="$EXTRA_KCFLAGS"
981 EXTRA_KCFLAGS="-Werror"
982 LB_CHECK_LINUX_HEADER([linux/processor.h], [
983 AC_DEFINE(HAVE_PROCESSOR_H, 1,
984 [processor.h is present])
986 EXTRA_KCFLAGS="$tmp_flags"
987 ]) # LIBCFS_HAVE_PROCESSOR_HEADER
990 # Kernel verison 4.12-rc6 commit 5dd43ce2f69d42a71dcacdb13d17d8c0ac1fe8f7
993 AC_DEFUN([LIBCFS_HAVE_WAIT_BIT_HEADER], [
994 LB_CHECK_LINUX_HEADER([linux/wait_bit.h], [
995 AC_DEFINE(HAVE_WAIT_BIT_HEADER_H, 1,
996 [wait_bit.h is present])])
997 ]) # LIBCFS_HAVE_WAIT_BIT_HEADER
1000 # Kernel version 4.12-rc6 commmit 2055da97389a605c8a00d163d40903afbe413921
1002 # struct wait_queue_head::task_list => ::head
1003 # struct wait_queue_entry::task_list => ::entry
1005 AC_DEFUN([LIBCFS_WAIT_QUEUE_TASK_LIST_RENAME], [
1006 LB_CHECK_COMPILE([if linux wait_queue_head list_head is named head],
1007 wait_queue_task_list, [
1008 #include <linux/wait.h>
1010 wait_queue_head_t e;
1012 INIT_LIST_HEAD(&e.head);
1014 AC_DEFINE(HAVE_WAIT_QUEUE_ENTRY_LIST, 1,
1015 [linux wait_queue_head_t list_head is name head])
1017 ]) # LIBCFS_WAIT_QUEUE_TASK_LIST_RENAME
1022 # Kernel version 4.13-rc1 commit 2cf0c8b3e6942ecafe6ebb1a6d0328a81641bf39
1023 # created nla_strdup(). This is needed since push strings can be
1026 AC_DEFUN([LIBCFS_NLA_STRDUP], [
1027 LB_CHECK_COMPILE([if 'nla_strdup()' exists],
1029 #include <net/netlink.h>
1031 char *tmp = nla_strdup(NULL, GFP_KERNEL);
1033 AC_DEFINE(HAVE_NLA_STRDUP, 1,
1034 ['nla_strdup' is available])
1036 ]) # LIBCFS_NLA_STRDUP
1039 # LIBCFS_WAIT_QUEUE_ENTRY
1041 # Kernel version 4.13 ac6424b981bce1c4bc55675c6ce11bfe1bbfa64f
1042 # Rename wait_queue_t => wait_queue_entry_t
1044 AC_DEFUN([LIBCFS_WAIT_QUEUE_ENTRY], [
1045 LB_CHECK_COMPILE([if 'wait_queue_entry_t' exists],
1047 #include <linux/wait.h>
1049 wait_queue_entry_t e;
1053 AC_DEFINE(HAVE_WAIT_QUEUE_ENTRY, 1,
1054 ['wait_queue_entry_t' is available])
1056 ]) # LIBCFS_WAIT_QUEUE_ENTRY
1059 # LIBCFS_NEW_KERNEL_WRITE
1061 # Kernel version 4.14 e13ec939e96b13e664bb6cee361cc976a0ee621a
1062 # changed kernel_write prototype to make is plug compatible
1063 # with the unexported vfs_write()
1065 AC_DEFUN([LIBCFS_NEW_KERNEL_WRITE], [
1066 tmp_flags="$EXTRA_KCFLAGS"
1067 EXTRA_KCFLAGS="-Werror"
1068 LB_CHECK_COMPILE([if 'kernel_write' matches other read/write helpers],
1069 kernel_write_match, [
1070 #include <linux/fs.h>
1072 const void *buf = NULL;
1074 return kernel_write(NULL, buf, 0, &pos);
1076 AC_DEFINE(HAVE_NEW_KERNEL_WRITE, 1,
1077 ['kernel_write' aligns with read/write helpers])
1079 EXTRA_KCFLAGS="$tmp_flags"
1080 ]) # LIBCFS_NEW_KERNEL_WRITE
1083 # LIBCFS_MM_TOTALRAM_PAGES_FUNC
1085 # kernel 5.0 commit ca79b0c211af63fa3276f0e3fd7dd9ada2439839
1086 # mm: convert totalram_pages and totalhigh_pages variables to atomic
1088 AC_DEFUN([LIBCFS_MM_TOTALRAM_PAGES_FUNC], [
1089 tmp_flags="$EXTRA_KCFLAGS"
1090 EXTRA_KCFLAGS="-Werror"
1091 LB_CHECK_COMPILE([if totalram_pages is a function],
1093 #include <linux/mm.h>
1095 totalram_pages_inc();
1097 AC_DEFINE(HAVE_TOTALRAM_PAGES_AS_FUNC, 1,
1098 [if totalram_pages is a function])
1100 EXTRA_KCFLAGS="$tmp_flags"
1101 ]) # LIBCFS_MM_TOTALRAM_PAGES_FUNC
1104 # LIBCFS_NEW_KERNEL_READ
1106 # 4.14 commit bdd1d2d3d251c65b74ac4493e08db18971c09240 changed
1107 # the signature of kernel_read to match other read/write helpers
1108 # and place offset last.
1110 AC_DEFUN([LIBCFS_NEW_KERNEL_READ], [
1111 tmp_flags="$EXTRA_KCFLAGS"
1112 EXTRA_KCFLAGS="-Werror"
1113 LB_CHECK_COMPILE([if 'kernel_read()' has loff_t *pos as last parameter],
1115 #include <linux/fs.h>
1118 kernel_read(NULL, NULL, 0, &pos);
1120 AC_DEFINE(HAVE_KERNEL_READ_LAST_POSP, 1,
1121 [kernel_read() signature ends with loff_t *pos])
1123 EXTRA_KCFLAGS="$tmp_flags"
1124 ]) # LIBCFS_NEW_KERNEL_READ
1127 # LIBCFS_DEFINE_TIMER
1129 # Kernel version 4.14 commit 1d27e3e2252ba9d949ca82fbdb73cde102cb2067
1130 # remove expires and data arguments from DEFINE_TIMER. Also the callback
1131 # when from using unsigned long argument to using struct timer_list pointer.
1133 AC_DEFUN([LIBCFS_DEFINE_TIMER], [
1134 LB_CHECK_COMPILE([if DEFINE_TIMER takes only 2 arguments],
1136 #include <linux/timer.h>
1138 static DEFINE_TIMER(my_timer, NULL);
1140 AC_DEFINE(HAVE_NEW_DEFINE_TIMER, 1,
1141 [DEFINE_TIMER uses only 2 arguements])
1143 ]) # LIBCFS_DEFINE_TIMER
1146 # LIBCFS_EXPORT_SAVE_STACK_TRACE_TSK
1148 # Kernel 2.6.27 commit 8594698ebddeef5443b7da8258ae33b3eaca61d5
1149 # exported save_stack_trace_tsk for x86.
1150 # Kernel 2.6.27 commit 01f4b8b8b8db09b88be7df7e51192e4e678b69d3
1151 # exported save_stack_trace_tsk for powerpc
1152 # Kernel 4.13 commit e27c7fa015d61c8be6a2c32b2144aad2ae6ec975
1153 # exported save_stack_trace_tsk for arm64
1154 # Kernel 4.14 commit 9a3dc3186fc3795e076a4122da9e0258651a9631
1155 # exported save_stack_trace_tsk for arm
1157 AC_DEFUN([LIBCFS_EXPORT_SAVE_STACK_TRACE_TSK], [
1158 LB_CHECK_EXPORT([save_stack_trace_tsk], [arch/$SUBARCH/kernel/stacktrace.c],
1159 [AC_DEFINE(HAVE_SAVE_STACK_TRACE_TSK, 1,
1160 [save_stack_trace_tsk is exported])])
1161 ]) # LIBCFS_EXPORT_SAVE_STACK_TRACE_TSK
1164 # LIBCFS_LOCKDEP_IS_HELD
1166 # Kernel v4.15-rc8-106-g08f36ff64234
1167 # lockdep: Make lockdep checking constant
1169 AC_DEFUN([LIBCFS_LOCKDEP_IS_HELD], [
1170 tmp_flags="$EXTRA_KCFLAGS"
1171 EXTRA_KCFLAGS="-Werror"
1172 LB_CHECK_COMPILE([if 'lockdep_is_held()' uses const argument],
1174 #include <linux/lockdep.h>
1176 #ifdef CONFIG_LOCKDEP
1177 const struct spinlock *lock = NULL;
1179 lockdep_is_held(lock);
1182 AC_DEFINE(NEED_LOCKDEP_IS_HELD_DISCARD_CONST, 1,
1183 [lockdep_is_held() argument is const])
1185 EXTRA_KCFLAGS="$tmp_flags"
1186 ]) # LIBCFS_LOCKDEP_IS_HELD
1189 # LIBCFS_TIMER_SETUP
1191 # Kernel version 4.15 commit e99e88a9d2b067465adaa9c111ada99a041bef9a
1192 # setup_timer() was replaced by timer_setup(), where the callback
1193 # argument is the structure already holding the struct timer_list.
1195 AC_DEFUN([LIBCFS_TIMER_SETUP], [
1196 LB_CHECK_COMPILE([if setup_timer has been replaced with timer_setup],
1198 #include <linux/timer.h>
1200 timer_setup(NULL, NULL, 0);
1202 AC_DEFINE(HAVE_TIMER_SETUP, 1,
1203 [timer_setup has replaced setup_timer])
1205 ]) # LIBCFS_TIMER_SETUP
1208 # LIBCFS_WAIT_VAR_EVENT
1210 # Kernel version 4.16-rc4 commit 6b2bb7265f0b62605e8caee3613449ed0db270b9
1211 # added wait_var_event()
1213 AC_DEFUN([LIBCFS_WAIT_VAR_EVENT], [
1214 LB_CHECK_COMPILE([if 'wait_var_event' exist],
1216 #ifdef HAVE_WAIT_BIT_HEADER_H
1217 #include <linux/wait_bit.h>
1219 #include <linux/wait.h>
1223 AC_DEFINE(HAVE_WAIT_VAR_EVENT, 1,
1224 ['wait_var_event' is available])
1226 ]) # LIBCFS_WAIT_VAR_EVENT
1229 # LIBCFS_BITMAP_ALLOC
1231 # Kernel version 4.17 commit c42b65e363ce97a828f81b59033c3558f8fa7f70
1232 # added bitmap memory allocation handling.
1234 AC_DEFUN([LIBCFS_BITMAP_ALLOC], [
1235 LB_CHECK_COMPILE([if Linux bitmap memory management exist],
1237 #include <linux/bitmap.h>
1239 unsigned long *map = bitmap_alloc(1, GFP_KERNEL);
1241 AC_DEFINE(HAVE_BITMAP_ALLOC, 1,
1242 [Linux bitmap can be allocated])
1244 ]) # LIBCFS_BITMAP_ALLOC
1247 # LIBCFS_CLEAR_AND_WAKE_UP_BIT
1249 # Kernel version 4.17-rc2 commit 8236b0ae31c837d2b3a2565c5f8d77f637e824cc
1250 # added clear_and_wake_up_bit()
1252 AC_DEFUN([LIBCFS_CLEAR_AND_WAKE_UP_BIT], [
1253 LB_CHECK_COMPILE([if 'clear_and_wake_up_bit' exist],
1254 clear_and_wake_up_bit, [
1255 #ifdef HAVE_WAIT_BIT_HEADER_H
1256 #include <linux/wait_bit.h>
1258 #include <linux/wait.h>
1260 clear_and_wake_up_bit(0, NULL);
1262 AC_DEFINE(HAVE_CLEAR_AND_WAKE_UP_BIT, 1,
1263 ['clear_and_wake_up_bit' is available])
1265 ]) # LIBCFS_CLEAR_AND_WAKE_UP_BIT
1268 # LIBCFS_TCP_SOCK_SET_NODELAY
1270 # kernel 4.18.0-293.el8
1271 # tcp_sock_set_nodelay() was added
1272 AC_DEFUN([LIBCFS_TCP_SOCK_SET_NODELAY], [
1273 tmp_flags="$EXTRA_KCFLAGS"
1274 EXTRA_KCFLAGS="-Werror"
1275 LB_CHECK_COMPILE([if 'tcp_sock_set_nodelay()' exists],
1276 tcp_sock_set_nodelay_exists, [
1277 #include <linux/tcp.h>
1279 tcp_sock_set_nodelay(NULL);
1281 AC_DEFINE(HAVE_TCP_SOCK_SET_NODELAY, 1,
1282 ['tcp_sock_set_nodelay()' exists])
1284 EXTRA_KCFLAGS="$tmp_flags"
1285 ]) # LIBCFS_TCP_SOCK_SET_NODELAY
1288 # LIBCFS_TCP_SOCK_SET_KEEPIDLE
1290 # kernel 4.18.0-293.el8
1291 # tcp_sock_set_keepidle() was added
1292 AC_DEFUN([LIBCFS_TCP_SOCK_SET_KEEPIDLE], [
1293 tmp_flags="$EXTRA_KCFLAGS"
1294 EXTRA_KCFLAGS="-Werror"
1295 LB_CHECK_COMPILE([if 'tcp_sock_set_keepidle()' exists],
1296 tcp_sock_set_keepidle_exists, [
1297 #include <linux/tcp.h>
1299 tcp_sock_set_keepidle(NULL, 0);
1301 AC_DEFINE(HAVE_TCP_SOCK_SET_KEEPIDLE, 1,
1302 ['tcp_sock_set_keepidle()' exists])
1304 EXTRA_KCFLAGS="$tmp_flags"
1305 ]) # LIBCFS_TCP_SOCK_SET_KEEPIDLE
1308 # LIBCFS_TCP_SOCK_SET_QUICKACK
1309 # kernel v5.7-rc6-2504-gddd061b8daed
1310 # tcp: add tcp_sock_set_quickack
1312 AC_DEFUN([LIBCFS_TCP_SOCK_SET_QUICKACK], [
1313 tmp_flags="$EXTRA_KCFLAGS"
1314 EXTRA_KCFLAGS="-Werror"
1315 LB_CHECK_COMPILE([if 'tcp_sock_set_quickack()' exists],
1316 tcp_sock_set_quickack_exists, [
1317 #include <linux/tcp.h>
1319 tcp_sock_set_quickack(NULL, 0);
1321 AC_DEFINE(HAVE_TCP_SOCK_SET_QUICKACK, 1,
1322 ['tcp_sock_set_quickack()' exists])
1324 EXTRA_KCFLAGS="$tmp_flags"
1325 ]) # LIBCFS_TCP_SOCK_SET_QUICKACK
1328 # LIBCFS_TCP_SOCK_SET_KEEPINTVL
1329 # v5.7-rc6-2508-gd41ecaac903c
1330 # tcp: add tcp_sock_set_keepintvl
1332 AC_DEFUN([LIBCFS_TCP_SOCK_SET_KEEPINTVL], [
1333 tmp_flags="$EXTRA_KCFLAGS"
1334 EXTRA_KCFLAGS="-Werror"
1335 LB_CHECK_COMPILE([if 'tcp_sock_set_keepintvl()' exists],
1336 tcp_sock_set_keepintvl_exists, [
1337 #include <linux/tcp.h>
1339 tcp_sock_set_keepintvl(NULL, 0);
1341 AC_DEFINE(HAVE_TCP_SOCK_SET_KEEPINTVL, 1,
1342 ['tcp_sock_set_keepintvl()' exists])
1344 EXTRA_KCFLAGS="$tmp_flags"
1345 ]) # LIBCFS_TCP_SOCK_SET_KEEPINTVL
1348 # LIBCFS_TCP_SOCK_SET_KEEPCNT
1349 # v5.7-rc6-2509-g480aeb9639d6
1350 # tcp: add tcp_sock_set_keepcnt
1352 AC_DEFUN([LIBCFS_TCP_SOCK_SET_KEEPCNT], [
1353 tmp_flags="$EXTRA_KCFLAGS"
1354 EXTRA_KCFLAGS="-Werror"
1355 LB_CHECK_COMPILE([if 'tcp_sock_set_keepcnt()' exists],
1356 tcp_sock_set_keepcnt_exists, [
1357 #include <linux/tcp.h>
1359 tcp_sock_set_keepcnt(NULL, 0);
1361 AC_DEFINE(HAVE_TCP_SOCK_SET_KEEPCNT, 1,
1362 ['tcp_sock_set_keepcnt()' exists])
1364 EXTRA_KCFLAGS="$tmp_flags"
1365 ]) # LIBCFS_TCP_SOCK_SET_KEEPCNT
1368 # LIBCFS_XARRAY_SUPPORT
1370 # 4.19-rc5 kernel commit 3159f943aafdbacb2f94c38fdaadabf2bbde2a14
1371 # replaced the radix tree implementation with Xarrays. This change
1372 # introduced functionaly needed for general Xarray support
1374 AC_DEFUN([LIBCFS_XARRAY_SUPPORT], [
1375 tmp_flags="$EXTRA_KCFLAGS"
1376 EXTRA_KCFLAGS="-Werror"
1377 LB_CHECK_COMPILE([if page cache uses Xarray],
1379 #include <linux/xarray.h>
1383 AC_DEFINE(HAVE_XARRAY_SUPPORT, 1,
1384 [kernel Xarray implementation lacks 'xa_is_value'])
1386 EXTRA_KCFLAGS="$tmp_flags"
1387 ]) # LIBCFS_XARRAY_SUPPORT
1390 # Kernel version 4.19-rc6 commit 4a19edb60d0203cd5bf95a8b46ea8f63fd41194c
1391 # added extended ACK handling to Netlink dump handlers
1393 AC_DEFUN([LIBCFS_NL_DUMP_EXT_ACK], [
1394 LB_CHECK_COMPILE([if Netlink dump handlers support ext_ack],
1395 netlink_dump_ext_ack, [
1396 #include <net/netlink.h>
1398 struct netlink_callback *cb = NULL;
1401 AC_DEFINE(HAVE_NL_DUMP_WITH_EXT_ACK, 1,
1402 [netlink_ext_ack is handled for Netlink dump handlers])
1404 ]) # LIBCFS_NL_DUMP_EXT_ACK
1407 # LIBCFS_HAVE_IOV_ITER_TYPE
1409 # kernel 4.20 commit 00e23707442a75b404392cef1405ab4fd498de6b
1410 # iov_iter: Use accessor functions to access an iterator's type and direction.
1412 AC_DEFUN([LIBCFS_HAVE_IOV_ITER_TYPE], [
1413 tmp_flags="$EXTRA_KCFLAGS"
1414 EXTRA_KCFLAGS="-Werror"
1415 LB_CHECK_COMPILE([if iov_iter_type exists],
1416 macro_iov_iter_type_exists, [
1417 #include <linux/uio.h>
1419 struct iov_iter iter = { .type = ITER_KVEC };
1420 enum iter_type type = iov_iter_type(&iter);
1423 AC_DEFINE(HAVE_IOV_ITER_TYPE, 1,
1424 [if iov_iter_type exists])
1426 EXTRA_KCFLAGS="$tmp_flags"
1427 ]) # LIBCFS_HAVE_IOV_ITER_TYPE
1430 # LIBCFS_GET_REQUEST_KEY_AUTH
1432 # kernel 5.0 commit 822ad64d7e46a8e2c8b8a796738d7b657cbb146d
1433 # keys: Fix dependency loop between construction record and auth key
1435 # Added <keys/request_key_auth-type.h> and get_request_key_auth()
1436 # which was propagated to stable
1438 AC_DEFUN([LIBCFS_GET_REQUEST_KEY_AUTH], [
1439 tmp_flags="$EXTRA_KCFLAGS"
1440 EXTRA_KCFLAGS="-Werror"
1441 LB_CHECK_COMPILE([if get_request_key_auth() is available],
1442 get_request_key_auth_exported, [
1443 #include <linux/key.h>
1444 #include <linux/keyctl.h>
1445 #include <keys/request_key_auth-type.h>
1448 const struct key *key = NULL;
1449 struct request_key_auth *rka = get_request_key_auth(key);
1451 ring = key_get(rka->dest_keyring);
1453 AC_DEFINE(HAVE_GET_REQUEST_KEY_AUTH, 1,
1454 [get_request_key_auth() is available])
1456 EXTRA_KCFLAGS="$tmp_flags"
1457 ]) # LIBCFS_GET_REQUEST_KEY_AUTH
1460 # LIBCFS_LOOKUP_USER_KEY
1462 # kernel 5.3 commit 3cf5d076fb4d48979f382bc9452765bf8b79e740
1463 # signal: Remove task parameter from force_sig
1465 AC_DEFUN([LIBCFS_LOOKUP_USER_KEY], [
1466 tmp_flags="$EXTRA_KCFLAGS"
1467 EXTRA_KCFLAGS="-Werror"
1468 LB_CHECK_COMPILE([if lookup_user_key() is available],
1469 lookup_user_key_exported, [
1470 #include <linux/key.h>
1471 #include <linux/keyctl.h>
1473 lookup_user_key(KEY_SPEC_USER_KEYRING, 0, 0);
1475 AC_DEFINE(HAVE_LOOKUP_USER_KEY, 1,
1476 [lookup_user_key() is available])
1478 EXTRA_KCFLAGS="$tmp_flags"
1479 ]) # LIBCFS_LOOKUP_USER_KEY
1482 # LIBCFS_FORCE_SIG_WITH_TASK
1484 # kernel 5.3 commit 3cf5d076fb4d48979f382bc9452765bf8b79e740
1485 # signal: Remove task parameter from force_sig
1487 AC_DEFUN([LIBCFS_FORCE_SIG_WITH_TASK], [
1488 tmp_flags="$EXTRA_KCFLAGS"
1489 EXTRA_KCFLAGS="-Werror"
1490 LB_CHECK_COMPILE([if force_sig has task parameter],
1491 force_sig_with_task, [
1492 #include <linux/sched/signal.h>
1494 force_sig(SIGINT, NULL);
1496 AC_DEFINE(HAVE_FORCE_SIG_WITH_TASK, 1,
1497 [force_sig() has task parameter])
1499 EXTRA_KCFLAGS="$tmp_flags"
1500 ]) # LIBCFS_FORCE_SIG_WITH_TASK
1503 # LIBCFS_CACHE_DETAIL_WRITERS
1505 # kernel v5.3-rc2-1-g64a38e840ce5
1506 # SUNRPC: Track writers of the 'channel' file to improve cache_listeners_exist
1508 AC_DEFUN([LIBCFS_CACHE_DETAIL_WRITERS], [
1509 tmp_flags="$EXTRA_KCFLAGS"
1510 EXTRA_KCFLAGS="-Werror"
1511 LB_CHECK_COMPILE([if struct cache_detail has writers],
1512 cache_detail_writers_atomic, [
1513 #include <linux/sunrpc/cache.h>
1515 static struct cache_detail rsi_cache;
1517 atomic_set(&rsi_cache.writers, 0);
1519 AC_DEFINE(HAVE_CACHE_DETAIL_WRITERS, 1,
1520 [struct cache_detail has writers])
1522 EXTRA_KCFLAGS="$tmp_flags"
1523 ]) # LIBCFS_CACHE_DETAIL_WRITERS
1526 # LIBCFS_KALLSYMS_LOOKUP
1528 # kernel v5.6-11591-g0bd476e6c671
1529 # kallsyms: unexport kallsyms_lookup_name() and kallsyms_on_each_symbol()
1530 AC_DEFUN([LIBCFS_KALLSYMS_LOOKUP], [
1531 LB_CHECK_EXPORT([kallsyms_lookup_name], [kernel/kallsyms.c],
1532 [AC_DEFINE(HAVE_KALLSYMS_LOOKUP_NAME, 1,
1533 [kallsyms_lookup_name is exported by kernel])])
1534 ]) # LIBCFS_KALLSYMS_LOOKUP
1537 # v5.5-8862-gd56c0d45f0e2
1538 # proc: decouple proc from VFS with "struct proc_ops"
1540 AC_DEFUN([LIBCFS_SRC_HAVE_PROC_OPS], [
1541 LB2_LINUX_TEST_SRC([proc_ops], [
1542 #include <linux/proc_fs.h>
1544 static struct proc_ops *my_proc;
1546 my_proc->proc_lseek = NULL;
1548 ]) # LIBCFS_SRC_HAVE_PROC_OPS
1549 AC_DEFUN([LIBCFS_HAVE_PROC_OPS], [
1550 AC_MSG_CHECKING([if struct proc_ops exists])
1551 LB2_LINUX_TEST_RESULT([proc_ops], [
1552 AC_DEFINE(HAVE_PROC_OPS, 1,
1553 [struct proc_ops exists])
1558 ]) # LIBCFS_HAVE_PROC_OPS
1561 # LIBCFS_VMALLOC_2ARGS
1563 # kernel v5.8-rc1~201^2~19
1564 # mm: remove the pgprot argument to __vmalloc
1565 AC_DEFUN([LIBCFS_VMALLOC_2ARGS], [
1566 LB_CHECK_COMPILE([if __vmalloc has 2 args],
1568 #include <linux/vmalloc.h>
1572 AC_DEFINE(HAVE_VMALLOC_2ARGS, 1,
1573 [__vmalloc only takes 2 args.])
1575 ]) # LIBCFS_VMALLOC_2ARGS
1578 # LIBCFS_HAVE_NR_UNSTABLE_NFS
1580 # kernel v5.8-rc1~201^2~75
1581 # mm/writeback: discard NR_UNSTABLE_NFS, use NR_WRITEBACK instead
1583 AC_DEFUN([LIBCFS_HAVE_NR_UNSTABLE_NFS], [
1584 tmp_flags="$EXTRA_KCFLAGS"
1585 EXTRA_KCFLAGS="-Werror"
1586 LB_CHECK_COMPILE([if NR_UNSTABLE_NFS still in use],
1587 nr_unstable_nfs_exists, [
1588 #include <linux/mm.h>
1592 i = NR_UNSTABLE_NFS;
1594 AC_DEFINE(HAVE_NR_UNSTABLE_NFS, 1,
1595 [NR_UNSTABLE_NFS is still in use.])
1597 EXTRA_KCFLAGS="$tmp_flags"
1598 ]) # LIBCFS_HAVE_NR_UNSTABLE_NFS
1601 # LIBCFS_HAVE_MMAP_LOCK
1603 # kernel v5.8-rc1~83^2~24
1604 # mmap locking API: rename mmap_sem to mmap_lock
1606 AC_DEFUN([LIBCFS_HAVE_MMAP_LOCK], [
1607 LB_CHECK_COMPILE([if mmap_lock API is available],
1609 #include <linux/mm.h>
1611 mmap_write_lock(NULL);
1613 AC_DEFINE(HAVE_MMAP_LOCK, 1,
1614 [mmap_lock API is available.])
1616 ]) # LIBCFS_HAVE_MMAP_LOCK
1619 # LIBCFS_KERNEL_SETSOCKOPT
1621 # kernel v5.8-rc1~165^2~59^2
1622 # net: remove kernel_setsockopt
1623 AC_DEFUN([LIBCFS_KERNEL_SETSOCKOPT], [
1624 tmp_flags="$EXTRA_KCFLAGS"
1625 EXTRA_KCFLAGS="-Werror"
1626 LB_CHECK_COMPILE([if kernel_setsockopt still in use],
1627 kernel_setsockopt_exists, [
1628 #include <linux/net.h>
1630 kernel_setsockopt(NULL, 0, 0, NULL, 0);
1632 AC_DEFINE(HAVE_KERNEL_SETSOCKOPT, 1,
1633 [kernel_setsockopt still in use])
1635 EXTRA_KCFLAGS="$tmp_flags"
1636 ]) # LIBCFS_KERNEL_SETSOCKOPT
1639 # LIBCFS_SEC_RELEASE_SECCTX
1641 # kernel linux-hwe-5.8 (5.8.0-22.23~20.04.1)
1642 # LSM: Use lsmcontext in security_release_secctx
1643 AC_DEFUN([LIBCFS_SEC_RELEASE_SECCTX], [
1644 LB_CHECK_COMPILE([if security_release_secctx has 1 arg],
1645 security_release_secctx_1arg, [
1646 #include <linux/security.h>
1648 security_release_secctx(NULL);
1650 AC_DEFINE(HAVE_SEC_RELEASE_SECCTX_1ARG, 1,
1651 [security_release_secctx has 1 arg.])
1653 ]) # LIBCFS_SEC_RELEASE_SECCTX
1656 # LIBCFS_HAVE_KFREE_SENSITIVE
1658 # kernel v5.10-rc1~3
1659 # mm: remove kzfree() compatibility definition
1661 AC_DEFUN([LIBCFS_HAVE_KFREE_SENSITIVE], [
1662 LB_CHECK_COMPILE([if kfree_sensitive() is available],
1663 kfree_sensitive_exists, [
1664 #include <linux/slab.h>
1667 kfree_sensitive(NULL);
1669 AC_DEFINE(HAVE_KFREE_SENSITIVE, 1,
1670 [kfree_sensitive() is available.])
1672 EXTRA_KCFLAGS="$tmp_flags"
1673 ]) # LIBCFS_HAVE_KFREE_SENSITIVE
1676 # LIBCFS_HAVE_CRYPTO_SHA2_HEADER
1678 # Kernel v5.10-rc1-114-ga24d22b225ce
1679 # crypto: sha - split sha.h into sha1.h and sha2.h
1681 AC_DEFUN([LIBCFS_HAVE_CRYPTO_SHA2_HEADER], [
1682 LB_CHECK_LINUX_HEADER([crypto/sha2.h], [
1683 AC_DEFINE(HAVE_CRYPTO_SHA2_HEADER, 1,
1684 [crypto/sha2.h is present])])
1685 ]) # LIBCFS_HAVE_CRYPTO_SHA2_HEADER
1688 # LIBCFS_HAVE_LIST_CMP_FUNC_T
1690 # kernel 5.10.70 commit 4f0f586bf0c898233d8f316f471a21db2abd522d
1691 # treewide: Change list_sort to use const pointers
1692 AC_DEFUN([LIBCFS_HAVE_LIST_CMP_FUNC_T], [
1693 tmp_flags="$EXTRA_KCFLAGS"
1694 EXTRA_KCFLAGS="-Werror -Wno-unused-variable"
1695 LB_CHECK_COMPILE([if list_cmp_func_t type is defined],
1697 #include <linux/list_sort.h>
1699 list_cmp_func_t cmp;
1701 AC_DEFINE(HAVE_LIST_CMP_FUNC_T, 1,
1702 [list_cmp_func_t type is defined])
1704 EXTRA_KCFLAGS="$tmp_flags"
1705 ]) # LIBCFS_HAVE_LIST_CMP_FUNC_T
1707 AC_DEFUN([LIBCFS_PROG_LINUX_SRC], [
1708 LIBCFS_SRC_HAVE_PROC_OPS
1710 AC_MSG_CHECKING([for available kernel interfaces to libcfs])
1711 LB2_LINUX_TEST_COMPILE_ALL([libcfs])
1712 AC_MSG_RESULT([done])
1714 AC_DEFUN([LIBCFS_PROG_LINUX_RESULTS], [
1716 LIBCFS_HAVE_PROC_OPS
1722 # LibCFS linux kernel checks
1724 AC_DEFUN([LIBCFS_PROG_LINUX], [
1725 AC_MSG_NOTICE([LibCFS kernel checks
1726 ==============================================================================])
1727 LIBCFS_CONFIG_PANIC_DUMPLOG
1730 LIBCFS_KTIME_GET_TS64
1732 LIBCFS_PREPARE_TO_WAIT_EVENT
1733 LIBCFS_KERNEL_PARAM_OPS
1737 LIBCFS_KTIME_COMPARE
1738 LIBCFS_SHRINKER_COUNT
1740 LIBCFS_MATCH_WILDCARD
1742 LIBCFS_HAVE_MAPPING_AS_EXITING_FLAG
1743 LIBCFS_IOV_ITER_HAS_TYPE
1745 LIBCFS_HAVE_NS_TO_TIMESPEC64
1747 LIBCFS_HLIST_ADD_AFTER
1750 LIBCFS_KTIME_GET_REAL_TS64
1751 LIBCFS_KTIME_GET_REAL_SECONDS
1752 LIBCFS_KTIME_GET_REAL_NS
1753 LIBCFS_KTIME_TO_TIMESPEC64
1754 LIBCFS_TIMESPEC64_SUB
1755 LIBCFS_TIMESPEC64_TO_KTIME
1757 LIBCFS_KTIME_GET_SECONDS
1760 LIBCFS_KTIME_MS_DELTA
1762 LIBCFS_KERNEL_PARAM_LOCK
1764 LIBCFS_HAVE_TOPOLOGY_SIBLING_CPUMASK
1766 LIBCFS_KSTRTOBOOL_FROM_USER
1767 LIBCFS_NETLINK_CALLBACK_START
1769 LIBCFS_CRYPTO_HASH_HELPERS
1770 LIBCFS_EXPORT_KSET_FIND_OBJ
1771 LIBCFS_RHASHTABLE_REPLACE
1773 LIBCFS_BROKEN_HASH_64
1774 LIBCFS_STACKTRACE_OPS_ADDRESS_RETURN_INT
1775 LIBCFS_GET_USER_PAGES_6ARG
1778 LIBCFS_RHASHTABLE_INSERT_FAST
1779 LIBCFS_RHASHTABLE_WALK_INIT_3ARG
1781 LIBCFS_RHASHTABLE_LOOKUP
1783 LIBCFS_STACKTRACE_OPS
1785 LIBCFS_GET_USER_PAGES_GUP_FLAGS
1786 LIBCFS_RHASHTABLE_WALK_ENTER
1788 LIBCFS_HOTPLUG_STATE_MACHINE
1791 LIBCFS_RHASHTABLE_LOOKUP_GET_INSERT_FAST
1792 LIBCFS_SCHED_HEADERS
1794 LIBCFS_RHT_BUCKET_VAR
1796 LIBCFS_HAVE_PROCESSOR_HEADER
1797 LIBCFS_HAVE_WAIT_BIT_HEADER
1798 LIBCFS_MEMALLOC_NORECLAIM
1800 LIBCFS_WAIT_QUEUE_TASK_LIST_RENAME
1801 LIBCFS_CPUS_READ_LOCK
1805 LIBCFS_WAIT_QUEUE_ENTRY
1808 LIBCFS_NEW_KERNEL_WRITE
1809 LIBCFS_NEW_KERNEL_READ
1810 LIBCFS_EXPORT_SAVE_STACK_TRACE_TSK
1812 LIBCFS_LOCKDEP_IS_HELD
1815 LIBCFS_WAIT_VAR_EVENT
1818 LIBCFS_CLEAR_AND_WAKE_UP_BIT
1820 LIBCFS_TCP_SOCK_SET_NODELAY
1821 LIBCFS_TCP_SOCK_SET_KEEPIDLE
1823 LIBCFS_XARRAY_SUPPORT
1824 LIBCFS_NL_DUMP_EXT_ACK
1826 LIBCFS_HAVE_IOV_ITER_TYPE
1828 LIBCFS_MM_TOTALRAM_PAGES_FUNC
1829 LIBCFS_GET_REQUEST_KEY_AUTH
1831 LIBCFS_LOOKUP_USER_KEY
1832 LIBCFS_FORCE_SIG_WITH_TASK
1833 LIBCFS_CACHE_DETAIL_WRITERS
1834 LIBCFS_HAVE_NR_UNSTABLE_NFS
1836 LIBCFS_KALLSYMS_LOOKUP
1837 LIBCFS_TCP_SOCK_SET_QUICKACK
1838 LIBCFS_TCP_SOCK_SET_KEEPINTVL
1839 LIBCFS_TCP_SOCK_SET_KEEPCNT
1841 LIBCFS_HAVE_MMAP_LOCK
1842 LIBCFS_KERNEL_SETSOCKOPT
1843 LIBCFS_VMALLOC_2ARGS
1844 LIBCFS_SEC_RELEASE_SECCTX
1846 LIBCFS_HAVE_KFREE_SENSITIVE
1847 LIBCFS_HAVE_CRYPTO_SHA2_HEADER
1848 LIBCFS_HAVE_LIST_CMP_FUNC_T
1849 ]) # LIBCFS_PROG_LINUX
1852 # LIBCFS_PATH_DEFAULTS
1854 # default paths for installed files
1856 AC_DEFUN([LIBCFS_PATH_DEFAULTS], [
1857 ]) # LIBCFS_PATH_DEFAULTS
1862 # other configure checks
1864 AC_DEFUN([LIBCFS_CONFIGURE], [
1865 AC_MSG_NOTICE([LibCFS core checks
1866 ==============================================================================])
1868 # libcfs/libcfs/util/nidstrings.c
1869 AC_CHECK_HEADERS([netdb.h asm/types.h endian.h])
1870 AC_CHECK_FUNCS([gethostbyname])
1872 # -------- Check for required packages --------------
1874 AC_MSG_NOTICE([LibCFS required packages checks
1875 ==============================================================================])
1877 AC_MSG_CHECKING([whether to enable readline support])
1878 AC_ARG_ENABLE(readline,
1879 AC_HELP_STRING([--disable-readline],
1880 [disable readline support]),
1881 [], [enable_readline="yes"])
1882 AC_MSG_RESULT([$enable_readline])
1885 AS_IF([test "x$enable_readline" = xyes], [
1886 AC_CHECK_LIB([readline], [readline], [
1887 LIBREADLINE="-lreadline"
1888 AC_DEFINE(HAVE_LIBREADLINE, 1,
1889 [readline library is available])
1892 AC_SUBST(LIBREADLINE)
1894 AC_MSG_CHECKING([whether to use libpthread for libcfs library])
1895 AC_ARG_ENABLE([libpthread],
1896 AC_HELP_STRING([--disable-libpthread],
1897 [disable libpthread]),
1898 [], [enable_libpthread="yes"])
1899 AC_MSG_RESULT([$enable_libpthread])
1902 AS_IF([test "x$enable_libpthread" = xyes], [
1903 AC_CHECK_LIB([pthread], [pthread_create], [
1904 PTHREAD_LIBS="-lpthread"
1905 AC_DEFINE([HAVE_LIBPTHREAD], 1,
1906 [use libpthread for libcfs library])
1909 AC_MSG_WARN([Using libpthread for libcfs library is disabled explicitly])
1911 AC_SUBST(PTHREAD_LIBS)
1912 ]) # LIBCFS_CONFIGURE
1915 # LIBCFS_CONFIG_FILES
1917 # files that should be generated with AC_OUTPUT
1919 AC_DEFUN([LIBCFS_CONFIG_FILES], [
1923 libcfs/autoconf/Makefile
1924 libcfs/include/Makefile
1925 libcfs/include/libcfs/Makefile
1926 libcfs/include/uapi/Makefile
1927 libcfs/include/libcfs/linux/Makefile
1928 libcfs/include/libcfs/util/Makefile
1929 libcfs/include/libcfs/crypto/Makefile
1930 libcfs/include/uapi/linux/Makefile
1931 libcfs/libcfs/Makefile
1932 libcfs/libcfs/autoMakefile
1933 libcfs/libcfs/linux/Makefile
1934 libcfs/libcfs/util/Makefile
1935 libcfs/libcfs/crypto/Makefile
1937 ]) # LIBCFS_CONFIG_FILES