4 # whether to enable various libcfs debugs (CDEBUG, ENTRY/EXIT, LASSERT, etc.)
6 AC_DEFUN([LN_CONFIG_CDEBUG],
8 AC_MSG_CHECKING([whether to enable CDEBUG, CWARN])
9 AC_ARG_ENABLE([libcfs_cdebug],
10 AC_HELP_STRING([--disable-libcfs-cdebug],
11 [disable libcfs CDEBUG, CWARN]),
12 [],[enable_libcfs_cdebug='yes'])
13 AC_MSG_RESULT([$enable_libcfs_cdebug])
14 if test x$enable_libcfs_cdebug = xyes; then
15 AC_DEFINE(CDEBUG_ENABLED, 1, [enable libcfs CDEBUG, CWARN])
17 AC_DEFINE(CDEBUG_ENABLED, 0, [disable libcfs CDEBUG, CWARN])
20 AC_MSG_CHECKING([whether to enable ENTRY/EXIT])
21 AC_ARG_ENABLE([libcfs_trace],
22 AC_HELP_STRING([--disable-libcfs-trace],
23 [disable libcfs ENTRY/EXIT]),
24 [],[enable_libcfs_trace='yes'])
25 AC_MSG_RESULT([$enable_libcfs_trace])
26 if test x$enable_libcfs_trace = xyes; then
27 AC_DEFINE(CDEBUG_ENTRY_EXIT, 1, [enable libcfs ENTRY/EXIT])
29 AC_DEFINE(CDEBUG_ENTRY_EXIT, 0, [disable libcfs ENTRY/EXIT])
32 AC_MSG_CHECKING([whether to enable LASSERT, LASSERTF])
33 AC_ARG_ENABLE([libcfs_assert],
34 AC_HELP_STRING([--disable-libcfs-assert],
35 [disable libcfs LASSERT, LASSERTF]),
36 [],[enable_libcfs_assert='yes'])
37 AC_MSG_RESULT([$enable_libcfs_assert])
38 if test x$enable_libcfs_assert = xyes; then
39 AC_DEFINE(LIBCFS_DEBUG, 1, [enable libcfs LASSERT, LASSERTF])
44 # LIBCFS_CONFIG_PANIC_DUMPLOG
46 # check if tunable panic_dumplog is wanted
48 AC_DEFUN([LIBCFS_CONFIG_PANIC_DUMPLOG],
49 [AC_MSG_CHECKING([for tunable panic_dumplog support])
50 AC_ARG_ENABLE([panic_dumplog],
51 AC_HELP_STRING([--enable-panic_dumplog],
52 [enable panic_dumplog]),
53 [],[enable_panic_dumplog='no'])
54 if test x$enable_panic_dumplog = xyes ; then
55 AC_DEFINE(LNET_DUMP_ON_PANIC, 1, [use dumplog on panic])
56 AC_MSG_RESULT([yes (by request)])
62 # check kernel __u64 type
63 AC_DEFUN([LIBCFS_U64_LONG_LONG_LINUX],
65 AC_MSG_CHECKING([kernel __u64 is long long type])
66 tmp_flags="$EXTRA_KCFLAGS"
67 EXTRA_KCFLAGS="$EXTRA_KCFLAGS -Werror"
68 LB_LINUX_TRY_COMPILE([
69 #include <linux/types.h>
70 #include <linux/stddef.h>
72 unsigned long long *data;
74 data = (__u64*)sizeof(data);
77 AC_DEFINE(HAVE_KERN__U64_LONG_LONG, 1,
78 [kernel __u64 is long long type])
82 EXTRA_KCFLAGS="$tmp_flags"
85 # LIBCFS_TASKLIST_LOCK
86 # 2.6.18 remove tasklist_lock export
87 AC_DEFUN([LIBCFS_TASKLIST_LOCK],
88 [LB_CHECK_SYMBOL_EXPORT([tasklist_lock],
90 AC_DEFINE(HAVE_TASKLIST_LOCK, 1,
91 [tasklist_lock exported])
96 # LIBCFS_DIGEST_SETKEY_FLAGS
97 # digest_alg.dia_setkey takes 4 args (2.6.18)
99 AC_DEFUN([LIBCFS_DIGEST_SETKEY_FLAGS],
100 [AC_MSG_CHECKING([if kernel dia_setkey takes 4 args])
101 LB_LINUX_TRY_COMPILE([
102 #include <linux/err.h>
103 #include <linux/crypto.h>
105 static int foo(struct crypto_tfm *tfm, const u8 *key, unsigned int l, u32* f)
110 struct digest_alg alg = {.dia_setkey=foo};
113 AC_DEFINE(HAVE_DIGEST_SETKEY_FLAGS, 1, [kernel dia_setkey takes 4 args])
121 # kmem_cache_destroy(cachep) return void instead of
123 AC_DEFUN([LIBCFS_KMEM_CACHE_DESTROY_INT],
124 [AC_MSG_CHECKING([kmem_cache_destroy(cachep) return int])
125 LB_LINUX_TRY_COMPILE([
126 #include <linux/slab.h>
128 int i __attribute__ ((unused));
129 i = kmem_cache_destroy(NULL);
132 AC_DEFINE(HAVE_KMEM_CACHE_DESTROY_INT, 1,
133 [kmem_cache_destroy(cachep) return int])
139 # check cpumask_size (2.6.28)
140 AC_DEFUN([LIBCFS_CPUMASK_SIZE],
141 [AC_MSG_CHECKING([whether have cpumask_size()])
142 LB_LINUX_TRY_COMPILE([
143 #include <linux/cpumask.h>
145 int size = cpumask_size();
148 AC_DEFINE(HAVE_CPUMASK_SIZE, 1, [have cpumask_size()])
154 # check cpu topology functions
156 # topology_core_cpumask (2.6.29, not on all archs)
157 # topology_core_siblings (not on all archs)
158 # topology_thread_cpumask (2.6.29, not on all archs)
159 # topology_thread_siblings (not on all archs)
160 # cpumask_of_node/node_to_cpumask (not always exported)
161 AC_DEFUN([LIBCFS_CPU_TOPOLOGY],
162 [AC_MSG_CHECKING([whether have topology.h])
163 LB_LINUX_TRY_COMPILE([
164 #include <linux/topology.h>
166 AC_DEFINE(HAVE_CPU_TOPOLOGY, 1, [have CPU topology])
169 AC_MSG_CHECKING([whether have topology_core_cpumask])
170 LB_LINUX_TRY_COMPILE([
171 #include <linux/topology.h>
173 cpumask_t *mask = topology_core_cpumask(0);
175 AC_DEFINE(HAVE_TOPOLOGY_CORE_CPUMASK, 1,
176 [have topology_core_cpumask])
182 AC_MSG_CHECKING([whether have topology_core_siblings])
183 LB_LINUX_TRY_COMPILE([
184 #include <linux/topology.h>
186 cpumask_t mask = topology_core_siblings(0);
188 AC_DEFINE(HAVE_TOPOLOGY_CORE_SIBLINGS, 1,
189 [have topology_core_siblings])
195 AC_MSG_CHECKING([whether have topology_thread_cpumask])
196 LB_LINUX_TRY_COMPILE([
197 #include <linux/topology.h>
199 cpumask_t *mask = topology_thread_cpumask(0);
201 AC_DEFINE(HAVE_TOPOLOGY_THREAD_CPUMASK, 1,
202 [have topology_thread_cpumask])
208 AC_MSG_CHECKING([whether have topology_thread_siblings])
209 LB_LINUX_TRY_COMPILE([
210 #include <linux/topology.h>
212 cpumask_t mask = topology_thread_siblings(0);
214 AC_DEFINE(HAVE_TOPOLOGY_THREAD_SIBLINGS, 1,
215 [have topology_thread_siblings])
221 AC_MSG_CHECKING([whether have cpumask_of_node])
222 LB_LINUX_TRY_COMPILE([
223 #include <linux/topology.h>
225 cpumask_t *mask = cpumask_of_node(0);
227 AC_DEFINE(HAVE_CPUMASK_OF_NODE, 1, [have cpumask_of_node])
233 AC_MSG_CHECKING([whether have node_to_cpumask])
234 LB_LINUX_TRY_COMPILE([
235 #include <linux/topology.h>
237 cpumask_t mask = node_to_cpumask(0);
239 AC_DEFINE(HAVE_NODE_TO_CPUMASK, 1, [have node_to_cpumask])
250 # 2.6.20 API change INIT_WORK use 2 args and not
252 AC_DEFUN([LIBCFS_3ARGS_INIT_WORK],
253 [AC_MSG_CHECKING([check INIT_WORK want 3 args])
254 LB_LINUX_TRY_COMPILE([
255 #include <linux/workqueue.h>
257 struct work_struct work __attribute__ ((unused));
259 INIT_WORK(&work, NULL, NULL);
262 AC_DEFINE(HAVE_3ARGS_INIT_WORK, 1,
263 [INIT_WORK use 3 args and store data inside])
269 # 2.6.21 api change. 'register_sysctl_table' use only one argument,
270 # instead of more old which need two.
271 AC_DEFUN([LIBCFS_2ARGS_REGISTER_SYSCTL],
272 [AC_MSG_CHECKING([check register_sysctl_table want 2 args])
273 LB_LINUX_TRY_COMPILE([
274 #include <linux/sysctl.h>
276 register_sysctl_table(NULL,0);
279 AC_DEFINE(HAVE_2ARGS_REGISTER_SYSCTL, 1,
280 [register_sysctl_table want 2 args])
286 # 2.6.23 lost dtor argument
287 AC_DEFUN([LIBCFS_KMEM_CACHE_CREATE_DTOR],
288 [AC_MSG_CHECKING([check kmem_cache_create has dtor argument])
289 LB_LINUX_TRY_COMPILE([
290 #include <linux/slab.h>
292 kmem_cache_create(NULL, 0, 0, 0, NULL, NULL);
295 AC_DEFINE(HAVE_KMEM_CACHE_CREATE_DTOR, 1,
296 [kmem_cache_create has dtor argument])
302 #2.6.23 has new shrinker API
303 AC_DEFUN([LC_REGISTER_SHRINKER],
304 [AC_MSG_CHECKING([if kernel has register_shrinker])
305 LB_LINUX_TRY_COMPILE([
306 #include <linux/mm.h>
308 register_shrinker(NULL);
311 AC_DEFINE(HAVE_REGISTER_SHRINKER, 1,
312 [kernel has register_shrinker])
318 # 2.6.24 request not use real numbers for ctl_name
319 AC_DEFUN([LIBCFS_SYSCTL_UNNUMBERED],
320 [AC_MSG_CHECKING([for CTL_UNNUMBERED])
321 LB_LINUX_TRY_COMPILE([
322 #include <linux/sysctl.h>
324 #ifndef CTL_UNNUMBERED
325 #error CTL_UNNUMBERED not exist in kernel
329 AC_DEFINE(HAVE_SYSCTL_UNNUMBERED, 1,
330 [sysctl has CTL_UNNUMBERED])
336 # 2.6.24 lost scatterlist->page
337 AC_DEFUN([LIBCFS_SCATTERLIST_SETPAGE],
338 [AC_MSG_CHECKING([for exist sg_set_page])
339 LB_LINUX_TRY_COMPILE([
340 #include <asm/types.h>
341 #include <linux/scatterlist.h>
343 sg_set_page(NULL,NULL,0,0);
346 AC_DEFINE(HAVE_SCATTERLIST_SETPAGE, 1,
347 [struct scatterlist has page member])
354 AC_DEFUN([LIBCFS_NETWORK_NAMESPACE],
355 [AC_MSG_CHECKING([for network stack has namespaces])
356 LB_LINUX_TRY_COMPILE([
357 #include <net/net_namespace.h>
359 struct net *net __attribute__ ((unused));
363 AC_DEFINE(HAVE_INIT_NET, 1,
364 [kernel is support network namespaces ])
371 # LIBCFS_FUNC_DUMP_TRACE
373 # 2.6.23 exports dump_trace() so we can dump_stack() on any task
374 # 2.6.24 has stacktrace_ops.address with "reliable" parameter
376 AC_DEFUN([LIBCFS_FUNC_DUMP_TRACE],
377 [LB_CHECK_SYMBOL_EXPORT([dump_trace],
378 [kernel/ksyms.c arch/${LINUX_ARCH%_64}/kernel/traps_64.c arch/x86/kernel/dumpstack_32.c arch/x86/kernel/dumpstack_64.c],[
379 tmp_flags="$EXTRA_KCFLAGS"
380 EXTRA_KCFLAGS="-Werror"
381 AC_MSG_CHECKING([whether we can really use dump_trace])
382 LB_LINUX_TRY_COMPILE([
385 #include <asm/stacktrace.h>
389 AC_DEFINE(HAVE_DUMP_TRACE, 1, [dump_trace is exported])
394 AC_MSG_CHECKING([whether print_trace_address has reliable argument])
395 LB_LINUX_TRY_COMPILE([
398 #include <asm/stacktrace.h>
400 ((struct stacktrace_ops *)0)->address(NULL, 0, 0);
403 AC_DEFINE(HAVE_TRACE_ADDRESS_RELIABLE, 1,
404 [print_trace_address has reliable argument])
409 AC_MSG_CHECKING([whether stacktrace_ops.warning is exist])
410 LB_LINUX_TRY_COMPILE([
413 #include <asm/stacktrace.h>
415 ((struct stacktrace_ops *)0)->warning(NULL, NULL);
418 AC_DEFINE(HAVE_STACKTRACE_WARNING, 1, [stacktrace_ops.warning is exist])
423 AC_MSG_CHECKING([dump_trace want address])
424 LB_LINUX_TRY_COMPILE([
427 #include <asm/stacktrace.h>
429 dump_trace(NULL, NULL, NULL, 0, NULL, NULL);
432 AC_DEFINE(HAVE_DUMP_TRACE_ADDRESS, 1,
433 [dump_trace want address argument])
439 EXTRA_KCFLAGS="$tmp_flags"
444 # 2.6.26 use int instead of atomic for sem.count
445 AC_DEFUN([LIBCFS_SEM_COUNT],
446 [AC_MSG_CHECKING([atomic sem.count])
447 LB_LINUX_TRY_COMPILE([
448 #include <asm/semaphore.h>
450 struct semaphore s __attribute__ ((unused));
452 atomic_read(&s.count);
455 AC_DEFINE(HAVE_SEM_COUNT_ATOMIC, 1,
456 [semaphore counter is atomic])
462 # 2.6.27 have second argument to sock_map_fd
463 AC_DEFUN([LIBCFS_SOCK_MAP_FD_2ARG],
464 [AC_MSG_CHECKING([sock_map_fd have second argument])
465 LB_LINUX_TRY_COMPILE([
466 #include <linux/net.h>
468 sock_map_fd(NULL, 0);
471 AC_DEFINE(HAVE_SOCK_MAP_FD_2ARG, 1,
472 [sock_map_fd have second argument])
478 # LIBCFS_CRED_WRAPPERS
480 # wrappers for task's credentials are in sles11
482 AC_DEFUN([LIBCFS_CRED_WRAPPERS],
483 [AC_MSG_CHECKING([if kernel has wrappers for task's credentials])
484 LB_LINUX_TRY_COMPILE([
485 #include <linux/sched.h>
489 uid = current_uid() + sizeof(uid);
492 AC_DEFINE(HAVE_CRED_WRAPPERS, 1, [task's cred wrappers found])
499 # LN_STRUCT_CRED_IN_TASK
501 # struct cred was introduced in 2.6.29 to streamline credentials in task struct
503 AC_DEFUN([LIBCFS_STRUCT_CRED_IN_TASK],
504 [AC_MSG_CHECKING([if kernel has struct cred])
505 LB_LINUX_TRY_COMPILE([
506 #include <linux/sched.h>
508 struct task_struct *tsk = NULL;
509 tsk->real_cred = NULL;
512 AC_DEFINE(HAVE_STRUCT_CRED, 1, [struct cred found])
518 # LIBCFS_STRUCT_SHASH_ALG
519 # struct shash_alg was introduced in 2.6.29
521 AC_DEFUN([LIBCFS_STRUCT_SHASH_ALG],
522 [AC_MSG_CHECKING([if kernel has struct shash_alg])
523 LB_LINUX_TRY_COMPILE([
524 #include <linux/err.h>
525 #include <crypto/internal/hash.h>
527 struct shash_alg foo;
530 AC_DEFINE(HAVE_STRUCT_SHASH_ALG, 1, [kernel has struct shash_alg])
538 # LIBCFS_FUNC_UNSHARE_FS_STRUCT
540 # unshare_fs_struct was introduced in 2.6.30 to prevent others to directly
541 # mess with copy_fs_struct
543 AC_DEFUN([LIBCFS_FUNC_UNSHARE_FS_STRUCT],
544 [AC_MSG_CHECKING([if kernel defines unshare_fs_struct()])
545 tmp_flags="$EXTRA_KCFLAGS"
546 EXTRA_KCFLAGS="-Werror"
547 LB_LINUX_TRY_COMPILE([
548 #include <linux/sched.h>
549 #include <linux/fs_struct.h>
554 AC_DEFINE(HAVE_UNSHARE_FS_STRUCT, 1, [unshare_fs_struct found])
558 EXTRA_KCFLAGS="$tmp_flags"
562 # LIBCFS_HAVE_IS_COMPAT_TASK
564 # Added in 2.6.17, it wasn't until 2.6.29 that all
565 # Linux architectures have is_compat_task()
567 AC_DEFUN([LIBCFS_HAVE_IS_COMPAT_TASK],
568 [AC_MSG_CHECKING([if is_compat_task() is declared])
569 LB_LINUX_TRY_COMPILE([
570 #include <linux/compat.h>
572 int i __attribute__ ((unused));
573 i = is_compat_task();
576 AC_DEFINE(HAVE_IS_COMPAT_TASK, 1, [is_compat_task() is available])
583 # LIBCFS_STACKTRACE_OPS_HAVE_WALK_STACK
585 # 2.6.32-30.el6 adds a new 'walk_stack' field in 'struct stacktrace_ops'
587 AC_DEFUN([LIBCFS_STACKTRACE_OPS_HAVE_WALK_STACK],
588 [AC_MSG_CHECKING([if 'struct stacktrace_ops' has 'walk_stack' field])
589 LB_LINUX_TRY_COMPILE([
590 #include <asm/stacktrace.h>
592 ((struct stacktrace_ops *)0)->walk_stack(NULL, NULL, 0, NULL, NULL, NULL, NULL);
595 AC_DEFINE(STACKTRACE_OPS_HAVE_WALK_STACK, 1, ['struct stacktrace_ops' has 'walk_stack' field])
601 AC_DEFUN([LIBCFS_HAVE_OOM_H],
602 [LB_CHECK_FILE([$LINUX/include/linux/oom.h], [
603 AC_DEFINE(HAVE_LINUX_OOM_H, 1,
604 [kernel has include/oom.h])
611 # check set_mems_allowed
612 # 2.6.31 adds function set_mems_allowed in cpuset.h
614 AC_DEFUN([LIBCFS_HAVE_SET_MEMS_ALLOWED],
615 [AC_MSG_CHECKING([whether have set_mems_allowed()])
616 LB_LINUX_TRY_COMPILE([
617 #include <linux/cpuset.h>
621 set_mems_allowed(mask);
624 AC_DEFINE(HAVE_SET_MEMS_ALLOWED, 1, [have set_mems_allowed()])
632 # RHEL6/2.6.32 want to have pointer to shrinker self pointer in handler function
634 AC_DEFUN([LC_SHRINKER_WANT_SHRINK_PTR],
635 [AC_MSG_CHECKING([shrinker want self pointer in handler])
636 LB_LINUX_TRY_COMPILE([
637 #include <linux/mm.h>
639 struct shrinker *tmp = NULL;
640 tmp->shrink(tmp, 0, 0);
643 AC_DEFINE(HAVE_SHRINKER_WANT_SHRINK_PTR, 1,
644 [shrinker want self pointer in handler])
650 # 2.6.18 store oom parameters in task struct.
651 # 2.6.32 store oom parameters in signal struct
652 AC_DEFUN([LIBCFS_OOMADJ_IN_SIG],
653 [AC_MSG_CHECKING([kernel store oom parameters in task])
654 LB_LINUX_TRY_COMPILE([
655 #include <linux/sched.h>
657 ((struct signal_struct *)0)->oom_adj = 0;
660 AC_DEFINE(HAVE_OOMADJ_IN_SIG, 1,
661 [kernel store a oom parameters in signal struct])
668 # 2.6.33 no longer has ctl_name & strategy field in struct ctl_table.
670 AC_DEFUN([LIBCFS_SYSCTL_CTLNAME],
671 [AC_MSG_CHECKING([if ctl_table has a ctl_name field])
672 LB_LINUX_TRY_COMPILE([
673 #include <linux/sysctl.h>
676 ct.ctl_name = sizeof(ct);
679 AC_DEFINE(HAVE_SYSCTL_CTLNAME, 1,
680 [ctl_table has ctl_name field])
687 # LIBCFS_ADD_WAIT_QUEUE_EXCLUSIVE
689 # 2.6.34 adds __add_wait_queue_exclusive
691 AC_DEFUN([LIBCFS_ADD_WAIT_QUEUE_EXCLUSIVE],
692 [AC_MSG_CHECKING([if __add_wait_queue_exclusive exists])
693 LB_LINUX_TRY_COMPILE([
694 #include <linux/wait.h>
696 wait_queue_head_t queue;
699 __add_wait_queue_exclusive(&queue, &wait);
702 AC_DEFINE(HAVE___ADD_WAIT_QUEUE_EXCLUSIVE, 1,
703 [__add_wait_queue_exclusive exists])
710 # 2.6.35 kernel has sk_sleep function
712 AC_DEFUN([LC_SK_SLEEP],
713 [AC_MSG_CHECKING([if kernel has sk_sleep])
714 LB_LINUX_TRY_COMPILE([
715 #include <net/sock.h>
720 AC_DEFINE(HAVE_SK_SLEEP, 1, [kernel has sk_sleep])
727 # FC15 2.6.40-5 backported the "shrink_control" parameter to the memory
728 # pressure shrinker from Linux 3.0
730 AC_DEFUN([LC_SHRINK_CONTROL],
731 [AC_MSG_CHECKING([shrink_control is present])
732 LB_LINUX_TRY_COMPILE([
733 #include <linux/mm.h>
735 struct shrink_control tmp = {0};
736 tmp.nr_to_scan = sizeof(tmp);
739 AC_DEFINE(HAVE_SHRINK_CONTROL, 1,
740 [shrink_control is present])
749 # LNet linux kernel checks
751 AC_DEFUN([LIBCFS_PROG_LINUX],
753 LIBCFS_CONFIG_PANIC_DUMPLOG
755 LIBCFS_U64_LONG_LONG_LINUX
758 LIBCFS_HAVE_IS_COMPAT_TASK
759 LIBCFS_DIGEST_SETKEY_FLAGS
761 LIBCFS_KMEM_CACHE_DESTROY_INT
763 LIBCFS_3ARGS_INIT_WORK
765 LIBCFS_2ARGS_REGISTER_SYSCTL
767 LIBCFS_KMEM_CACHE_CREATE_DTOR
770 LIBCFS_SYSCTL_UNNUMBERED
771 LIBCFS_SCATTERLIST_SETPAGE
772 LIBCFS_NETWORK_NAMESPACE
773 LIBCFS_FUNC_DUMP_TRACE
781 LIBCFS_STRUCT_CRED_IN_TASK
783 LIBCFS_STRUCT_SHASH_ALG
785 LIBCFS_FUNC_UNSHARE_FS_STRUCT
786 LIBCFS_SOCK_MAP_FD_2ARG
788 LIBCFS_HAVE_SET_MEMS_ALLOWED
790 LIBCFS_STACKTRACE_OPS_HAVE_WALK_STACK
791 LC_SHRINKER_WANT_SHRINK_PTR
795 LIBCFS_SYSCTL_CTLNAME
797 LIBCFS_ADD_WAIT_QUEUE_EXCLUSIVE
809 AC_DEFUN([LIBCFS_PROG_DARWIN],
810 [LB_DARWIN_CHECK_FUNCS([get_preemption_level])
814 # LIBCFS_PATH_DEFAULTS
816 # default paths for installed files
818 AC_DEFUN([LIBCFS_PATH_DEFAULTS],
825 # other configure checks
827 AC_DEFUN([LIBCFS_CONFIGURE],
828 [# lnet/utils/portals.c
829 AC_CHECK_HEADERS([asm/types.h endian.h sys/ioctl.h])
832 AC_CHECK_HEADERS([linux/version.h])
834 AC_CHECK_TYPE([spinlock_t],
835 [AC_DEFINE(HAVE_SPINLOCK_T, 1, [spinlock_t is defined])],
837 [#include <linux/spinlock.h>])
839 # lnet/utils/wirecheck.c
840 AC_CHECK_FUNCS([strnlen])
842 AC_CHECK_TYPE([umode_t],
843 [AC_DEFINE(HAVE_UMODE_T, 1, [umode_t is defined])],
845 [#include <asm/types.h>])
847 AC_CHECK_TYPE([__s8],
848 [AC_DEFINE(HAVE___S8, 1, [__s8 is defined])],
850 [#include <asm/types.h>])
852 AC_CHECK_TYPE([__u8],
853 [AC_DEFINE(HAVE___U8, 1, [__u8 is defined])],
855 [#include <asm/types.h>])
857 AC_CHECK_TYPE([__s16],
858 [AC_DEFINE(HAVE___S16, 1, [__s16 is defined])],
860 [#include <asm/types.h>])
862 AC_CHECK_TYPE([__u16],
863 [AC_DEFINE(HAVE___U16, 1, [__u16 is defined])],
865 [#include <asm/types.h>])
867 AC_CHECK_TYPE([__s32],
868 [AC_DEFINE(HAVE___S32, 1, [__s32 is defined])],
870 [#include <asm/types.h>])
872 AC_CHECK_TYPE([__u32],
873 [AC_DEFINE(HAVE___U32, 1, [__u32 is defined])],
875 [#include <asm/types.h>])
877 AC_CHECK_TYPE([__u64],
878 [AC_DEFINE(HAVE___U64, 1, [__u64 is defined])],
880 [#include <asm/types.h>])
882 AC_CHECK_TYPE([__s64],
883 [AC_DEFINE(HAVE___S64, 1, [__s64 is defined])],
885 [#include <asm/types.h>])
887 # check userland __u64 type
888 AC_MSG_CHECKING([userspace __u64 is long long type])
890 CFLAGS="$CFLAGS -Werror"
893 #include <linux/types.h>
894 #include <linux/stddef.h>
896 unsigned long long *data1;
904 AC_DEFINE(HAVE_USER__U64_LONG_LONG, 1,
905 [__u64 is long long type])
911 # -------- Check for required packages --------------
914 AC_MSG_CHECKING([if efence debugging support is requested])
915 AC_ARG_ENABLE(efence,
916 AC_HELP_STRING([--enable-efence],
917 [use efence library]),
918 [],[enable_efence='no'])
919 AC_MSG_RESULT([$enable_efence])
920 if test "$enable_efence" = "yes" ; then
922 AC_DEFINE(HAVE_LIBEFENCE, 1, [libefence support is requested])
929 # -------- check for -lpthread support ----
930 AC_MSG_CHECKING([whether to use libpthread for libcfs library])
931 AC_ARG_ENABLE([libpthread],
932 AC_HELP_STRING([--disable-libpthread],
933 [disable libpthread]),
934 [],[enable_libpthread=yes])
935 if test "$enable_libpthread" = "yes" ; then
936 AC_CHECK_LIB([pthread], [pthread_create],
937 [ENABLE_LIBPTHREAD="yes"],
938 [ENABLE_LIBPTHREAD="no"])
939 if test "$ENABLE_LIBPTHREAD" = "yes" ; then
940 AC_MSG_RESULT([$ENABLE_LIBPTHREAD])
941 PTHREAD_LIBS="-lpthread"
942 AC_DEFINE([HAVE_LIBPTHREAD], 1, [use libpthread])
945 AC_MSG_RESULT([no libpthread is found])
947 AC_SUBST(PTHREAD_LIBS)
949 AC_MSG_RESULT([no (disabled explicitly)])
950 ENABLE_LIBPTHREAD="no"
952 AC_SUBST(ENABLE_LIBPTHREAD)
958 # LIBCFS_CONDITIONALS
960 # AM_CONDITOINAL defines for lnet
962 AC_DEFUN([LIBCFS_CONDITIONALS],
967 # LIBCFS_CONFIG_FILES
969 # files that should be generated with AC_OUTPUT
971 AC_DEFUN([LIBCFS_CONFIG_FILES],
976 libcfs/autoconf/Makefile
977 libcfs/include/Makefile
978 libcfs/include/libcfs/Makefile
979 libcfs/include/libcfs/linux/Makefile
980 libcfs/include/libcfs/posix/Makefile
981 libcfs/include/libcfs/util/Makefile
982 libcfs/libcfs/Makefile
983 libcfs/libcfs/autoMakefile
984 libcfs/libcfs/linux/Makefile
985 libcfs/libcfs/posix/Makefile
986 libcfs/libcfs/util/Makefile
987 libcfs/include/libcfs/darwin/Makefile
988 libcfs/libcfs/darwin/Makefile