1 #* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
2 #* vim:expandtab:shiftwidth=8:tabstop=8:
6 # Wrapper for AC_CONFIG_SUBDIR
8 AC_DEFUN([LC_CONFIG_SRCDIR],
9 [AC_CONFIG_SRCDIR([lustre/obdclass/obdo.c])
15 # lustre specific paths
17 AC_DEFUN([LC_PATH_DEFAULTS],
18 [# ptlrpc kernel build requires this
26 demodir='$(docdir)/demo'
29 pkgexampledir='${pkgdatadir}/examples'
30 AC_SUBST(pkgexampledir)
36 # is the target os supported?
38 AC_DEFUN([LC_TARGET_SUPPORTED],
52 # that ext3 is enabled in the kernel
54 AC_DEFUN([LC_CONFIG_EXT3],
55 [LB_LINUX_CONFIG([EXT3_FS],[],[
56 LB_LINUX_CONFIG([EXT3_FS_MODULE],[],[$2])
58 LB_LINUX_CONFIG([EXT3_FS_XATTR],[$1],[$3])
64 # If we have (and can build) fshooks.h
66 AC_DEFUN([LC_FSHOOKS],
67 [LB_CHECK_FILE([$LINUX/include/linux/fshooks.h],[
68 AC_MSG_CHECKING([if fshooks.h can be compiled])
69 LB_LINUX_TRY_COMPILE([
70 #include <linux/fshooks.h>
75 AC_MSG_WARN([You might have better luck with gcc 3.3.x.])
76 AC_MSG_WARN([You can set CC=gcc33 before running configure.])
77 AC_MSG_ERROR([Your compiler cannot build fshooks.h.])
88 # rh 2.4.18 has iobuf->dovary, but other kernels do not
90 AC_DEFUN([LC_STRUCT_KIOBUF],
91 [AC_MSG_CHECKING([if struct kiobuf has a dovary field])
92 LB_LINUX_TRY_COMPILE([
93 #include <linux/iobuf.h>
99 AC_DEFINE(HAVE_KIOBUF_DOVARY, 1, [struct kiobuf has a dovary field])
106 # LC_FUNC_COND_RESCHED
108 # cond_resched() was introduced in 2.4.20
110 AC_DEFUN([LC_FUNC_COND_RESCHED],
111 [AC_MSG_CHECKING([if kernel offers cond_resched])
112 LB_LINUX_TRY_COMPILE([
113 #include <linux/sched.h>
118 AC_DEFINE(HAVE_COND_RESCHED, 1, [cond_resched found])
125 # LC_FUNC_ZAP_PAGE_RANGE
127 # if zap_page_range() takes a vma arg
129 AC_DEFUN([LC_FUNC_ZAP_PAGE_RANGE],
130 [AC_MSG_CHECKING([if zap_page_range with vma parameter])
131 ZAP_PAGE_RANGE_VMA="`grep -c 'zap_page_range.*struct vm_area_struct' $LINUX/include/linux/mm.h`"
132 if test "$ZAP_PAGE_RANGE_VMA" != 0 ; then
133 AC_DEFINE(ZAP_PAGE_RANGE_VMA, 1, [zap_page_range with vma parameter])
143 # if proc_fs.h defines PDE()
145 AC_DEFUN([LC_FUNC_PDE],
146 [AC_MSG_CHECKING([if kernel defines PDE])
147 HAVE_PDE="`grep -c 'proc_dir_entry..PDE' $LINUX/include/linux/proc_fs.h`"
148 if test "$HAVE_PDE" != 0 ; then
149 AC_DEFINE(HAVE_PDE, 1, [the kernel defines PDE])
157 # LC_FUNC_FILEMAP_FDATASYNC
159 # if filemap_fdatasync() exists
161 AC_DEFUN([LC_FUNC_FILEMAP_FDATAWRITE],
162 [AC_MSG_CHECKING([whether filemap_fdatawrite() is defined])
163 LB_LINUX_TRY_COMPILE([
164 #include <linux/fs.h>
166 int (*foo)(struct address_space *)= filemap_fdatawrite;
169 AC_DEFINE(HAVE_FILEMAP_FDATAWRITE, 1, [filemap_fdatawrite() found])
178 # if direct_IO takes a struct file argument
180 AC_DEFUN([LC_FUNC_DIRECT_IO],
181 [AC_MSG_CHECKING([if kernel passes struct file to direct_IO])
182 HAVE_DIO_FILE="`grep -c 'direct_IO.*struct file' $LINUX/include/linux/fs.h`"
183 if test "$HAVE_DIO_FILE" != 0 ; then
184 AC_DEFINE(HAVE_DIO_FILE, 1, [the kernel passes struct file to direct_IO])
192 # LC_HEADER_MM_INLINE
194 # RHEL kernels define page_count in mm_inline.h
196 AC_DEFUN([LC_HEADER_MM_INLINE],
197 [AC_MSG_CHECKING([if kernel has mm_inline.h header])
198 LB_LINUX_TRY_COMPILE([
199 #include <linux/mm_inline.h>
202 #error mm_inline.h does not define page_count
206 AC_DEFINE(HAVE_MM_INLINE, 1, [mm_inline found])
215 # if inode->i_alloc_sem exists
217 AC_DEFUN([LC_STRUCT_INODE],
218 [AC_MSG_CHECKING([if struct inode has i_alloc_sem])
219 LB_LINUX_TRY_COMPILE([
220 #include <linux/fs.h>
221 #include <linux/version.h>
223 #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,4,24))
224 #error "down_read_trylock broken before 2.4.24"
227 return (char *)&i.i_alloc_sem - (char *)&i;
230 AC_DEFINE(HAVE_I_ALLOC_SEM, 1, [struct inode has i_alloc_sem])
237 # LC_FUNC_REGISTER_CACHE
239 # if register_cache() is defined by kernel
241 AC_DEFUN([LC_FUNC_REGISTER_CACHE],
242 [AC_MSG_CHECKING([if kernel defines register_cache()])
243 LB_LINUX_TRY_COMPILE([
244 #include <linux/list.h>
245 #include <linux/cache_def.h>
247 struct cache_definition cache;
250 AC_DEFINE(HAVE_REGISTER_CACHE, 1, [register_cache found])
251 AC_MSG_CHECKING([if kernel expects return from cache shrink function])
252 HAVE_CACHE_RETURN_INT="`grep -c 'int.*shrink' $LINUX/include/linux/cache_def.h`"
253 if test "$HAVE_CACHE_RETURN_INT" != 0 ; then
254 AC_DEFINE(HAVE_CACHE_RETURN_INT, 1, [kernel expects return from shrink_cache])
265 # LC_FUNC_GRAB_CACHE_PAGE_NOWAIT_GFP
267 # check for our patched grab_cache_page_nowait_gfp() function
269 AC_DEFUN([LC_FUNC_GRAB_CACHE_PAGE_NOWAIT_GFP],
270 [AC_MSG_CHECKING([if kernel defines grab_cache_page_nowait_gfp()])
271 HAVE_GCPN_GFP="`grep -c 'grab_cache_page_nowait_gfp' $LINUX/include/linux/pagemap.h`"
272 if test "$HAVE_GCPN_GFP" != 0 ; then
273 AC_DEFINE(HAVE_GRAB_CACHE_PAGE_NOWAIT_GFP, 1,
274 [kernel has grab_cache_page_nowait_gfp()])
282 # LC_FUNC_DEV_SET_RDONLY
284 # check for the old-style dev_set_rdonly which took an extra "devno" param
285 # and can only set a single device to discard writes at one time
287 AC_DEFUN([LC_FUNC_DEV_SET_RDONLY],
288 [AC_MSG_CHECKING([if kernel has new dev_set_rdonly])
289 LB_LINUX_TRY_COMPILE([
290 #include <linux/fs.h>
292 #ifndef HAVE_CLEAR_RDONLY_ON_PUT
293 #error needs to be patched by lustre kernel patches from Lustre version 1.4.3 or above.
297 AC_DEFINE(HAVE_DEV_SET_RDONLY, 1, [kernel has new dev_set_rdonly])
299 AC_MSG_RESULT([no, Linux kernel source needs to be patches by lustre
300 kernel patches from Lustre version 1.4.3 or above.])
305 # LC_CONFIG_BACKINGFS
307 # setup, check the backing filesystem
309 AC_DEFUN([LC_CONFIG_BACKINGFS],
313 if test x$with_ldiskfs = xno ; then
316 if test x$linux25$enable_server = xyesyes ; then
317 AC_MSG_ERROR([ldiskfs is required for 2.6-based servers.])
320 # --- Check that ext3 and ext3 xattr are enabled in the kernel
322 AC_MSG_ERROR([Lustre requires that ext3 is enabled in the kernel])
324 AC_MSG_WARN([Lustre requires that extended attributes for ext3 are enabled in the kernel])
325 AC_MSG_WARN([This build may fail.])
329 LB_DEFINE_LDISKFS_OPTIONS
332 AC_MSG_CHECKING([which backing filesystem to use])
333 AC_MSG_RESULT([$BACKINGFS])
340 # the pinger is temporary, until we have the recovery node in place
342 AC_DEFUN([LC_CONFIG_PINGER],
343 [AC_MSG_CHECKING([whether to enable pinger support])
344 AC_ARG_ENABLE([pinger],
345 AC_HELP_STRING([--disable-pinger],
346 [disable recovery pinger support]),
347 [],[enable_pinger='yes'])
348 AC_MSG_RESULT([$enable_pinger])
349 if test x$enable_pinger != xno ; then
350 AC_DEFINE(ENABLE_PINGER, 1, Use the Pinger)
357 # do checksum of bulk data between client and OST
359 AC_DEFUN([LC_CONFIG_CHECKSUM],
360 [AC_MSG_CHECKING([whether to enable data checksum support])
361 AC_ARG_ENABLE([checksum],
362 AC_HELP_STRING([--disable-checksum],
363 [disable data checksum support]),
364 [],[enable_checksum='yes'])
365 AC_MSG_RESULT([$enable_checksum])
366 if test x$enable_checksum != xno ; then
367 AC_DEFINE(ENABLE_CHECKSUM, 1, do data checksums)
372 # LC_CONFIG_HEALTH_CHECK_WRITE
374 # Turn off the actual write to the disk
376 AC_DEFUN([LC_CONFIG_HEALTH_CHECK_WRITE],
377 [AC_MSG_CHECKING([whether to enable a write with the health check])
378 AC_ARG_ENABLE([health_write],
379 AC_HELP_STRING([--enable-health_write],
380 [enable disk writes when doing health check]),
381 [],[enable_health_write='no'])
382 AC_MSG_RESULT([$enable_health_write])
383 if test x$enable_health_write != xno ; then
384 AC_DEFINE(USE_HEALTH_CHECK_WRITE, 1, Write when Checking Health)
389 # LC_CONFIG_LIBLUSTRE_RECOVERY
391 AC_DEFUN([LC_CONFIG_LIBLUSTRE_RECOVERY],
392 [AC_MSG_CHECKING([whether to enable liblustre recovery support])
393 AC_ARG_ENABLE([liblustre-recovery],
394 AC_HELP_STRING([--disable-liblustre-recovery],
395 [disable liblustre recovery support]),
396 [],[enable_liblustre_recovery='yes'])
397 AC_MSG_RESULT([$enable_liblustre_recovery])
398 if test x$enable_liblustre_recovery != xno ; then
399 AC_DEFINE(ENABLE_LIBLUSTRE_RECOVERY, 1, Liblustre Can Recover)
404 # LC_CONFIG_OBD_BUFFER_SIZE
406 # the maximum buffer size of lctl ioctls
408 AC_DEFUN([LC_CONFIG_OBD_BUFFER_SIZE],
409 [AC_MSG_CHECKING([maximum OBD ioctl size])
410 AC_ARG_WITH([obd-buffer-size],
411 AC_HELP_STRING([--with-obd-buffer-size=[size]],
412 [set lctl ioctl maximum bytes (default=8192)]),
414 OBD_BUFFER_SIZE=$with_obd_buffer_size
418 AC_MSG_RESULT([$OBD_BUFFER_SIZE bytes])
419 AC_DEFINE_UNQUOTED(OBD_MAX_IOCTL_BUFFER, $OBD_BUFFER_SIZE, [IOCTL Buffer Size])
425 # AIX does not have statfs.f_namelen
427 AC_DEFUN([LC_STRUCT_STATFS],
428 [AC_MSG_CHECKING([if struct statfs has a f_namelen field])
429 LB_LINUX_TRY_COMPILE([
430 #include <linux/vfs.h>
436 AC_DEFINE(HAVE_STATFS_NAMELEN, 1, [struct statfs has a namelen field])
443 # LC_READLINK_SSIZE_T
445 AC_DEFUN([LC_READLINK_SSIZE_T],
446 [AC_MSG_CHECKING([if readlink returns ssize_t])
450 ssize_t readlink(const char *, char *, size_t);
453 AC_DEFINE(HAVE_POSIX_1003_READLINK, 1, [readlink returns ssize_t])
459 AC_DEFUN([LC_FUNC_PAGE_MAPPED],
460 [AC_MSG_CHECKING([if kernel offers page_mapped])
461 LB_LINUX_TRY_COMPILE([
462 #include <linux/mm.h>
467 AC_DEFINE(HAVE_PAGE_MAPPED, 1, [page_mapped found])
473 AC_DEFUN([LC_STRUCT_FILE_OPS_UNLOCKED_IOCTL],
474 [AC_MSG_CHECKING([if struct file_operations has an unlocked_ioctl field])
475 LB_LINUX_TRY_COMPILE([
476 #include <linux/fs.h>
478 struct file_operations fops;
479 &fops.unlocked_ioctl;
482 AC_DEFINE(HAVE_UNLOCKED_IOCTL, 1, [struct file_operations has an unlock ed_ioctl field])
488 AC_DEFUN([LC_FILEMAP_POPULATE],
489 [AC_MSG_CHECKING([for exported filemap_populate])
490 LB_LINUX_TRY_COMPILE([
491 #include <asm/page.h>
492 #include <linux/mm.h>
494 filemap_populate(NULL, 0, 0, __pgprot(0), 0, 0);
497 AC_DEFINE(HAVE_FILEMAP_POPULATE, 1, [Kernel exports filemap_populate])
503 AC_DEFUN([LC_D_ADD_UNIQUE],
504 [AC_MSG_CHECKING([for d_add_unique])
505 LB_LINUX_TRY_COMPILE([
506 #include <linux/dcache.h>
508 d_add_unique(NULL, NULL);
511 AC_DEFINE(HAVE_D_ADD_UNIQUE, 1, [Kernel has d_add_unique])
517 AC_DEFUN([LC_BIT_SPINLOCK_H],
518 [LB_CHECK_FILE([$LINUX/include/linux/bit_spinlock.h],[
519 AC_MSG_CHECKING([if bit_spinlock.h can be compiled])
520 LB_LINUX_TRY_COMPILE([
521 #include <asm/processor.h>
522 #include <linux/spinlock.h>
523 #include <linux/bit_spinlock.h>
526 AC_DEFINE(HAVE_BIT_SPINLOCK_H, 1, [Kernel has bit_spinlock.h])
537 # If we have xattr_acl.h
539 AC_DEFUN([LC_XATTR_ACL],
540 [LB_CHECK_FILE([$LINUX/include/linux/xattr_acl.h],[
541 AC_MSG_CHECKING([if xattr_acl.h can be compiled])
542 LB_LINUX_TRY_COMPILE([
543 #include <linux/xattr_acl.h>
546 AC_DEFINE(HAVE_XATTR_ACL, 1, [Kernel has xattr_acl])
554 AC_DEFUN([LC_STRUCT_INTENT_FILE],
555 [AC_MSG_CHECKING([if struct open_intent has a file field])
556 LB_LINUX_TRY_COMPILE([
557 #include <linux/fs.h>
558 #include <linux/namei.h>
560 struct open_intent intent;
564 AC_DEFINE(HAVE_FILE_IN_STRUCT_INTENT, 1, [struct open_intent has a file field])
571 AC_DEFUN([LC_POSIX_ACL_XATTR_H],
572 [LB_CHECK_FILE([$LINUX/include/linux/posix_acl_xattr.h],[
573 AC_MSG_CHECKING([if linux/posix_acl_xattr.h can be compiled])
574 LB_LINUX_TRY_COMPILE([
575 #include <linux/posix_acl_xattr.h>
578 AC_DEFINE(HAVE_LINUX_POSIX_ACL_XATTR_H, 1, [linux/posix_acl_xattr.h found])
591 # starting from 2.6.19 linux kernel exports __iget()
593 AC_DEFUN([LC_EXPORT___IGET],
594 [LB_CHECK_SYMBOL_EXPORT([__iget],
596 AC_DEFINE(HAVE_EXPORT___IGET, 1, [kernel exports __iget])
602 AC_DEFUN([LC_LUSTRE_VERSION_H],
603 [LB_CHECK_FILE([$LINUX/include/linux/lustre_version.h],[
604 rm -f "$LUSTRE/include/linux/lustre_version.h"
606 touch "$LUSTRE/include/linux/lustre_version.h"
607 if test x$enable_server = xyes ; then
608 AC_MSG_WARN([Unpatched kernel detected.])
609 AC_MSG_WARN([Lustre servers cannot be built with an unpatched kernel;])
610 AC_MSG_WARN([disabling server build])
616 AC_DEFUN([LC_FUNC_SET_FS_PWD],
617 [LB_CHECK_SYMBOL_EXPORT([set_fs_pwd],
619 AC_DEFINE(HAVE_SET_FS_PWD, 1, [set_fs_pwd is exported])
627 AC_DEFUN([LC_CAPA_CRYPTO],
628 [LB_LINUX_CONFIG_IM([CRYPTO],[],[
629 AC_MSG_ERROR([Lustre capability require that CONFIG_CRYPTO is enabled in your kernel.])
631 LB_LINUX_CONFIG_IM([CRYPTO_HMAC],[],[
632 AC_MSG_ERROR([Lustre capability require that CONFIG_CRYPTO_HMAC is enabled in your kernel.])
634 LB_LINUX_CONFIG_IM([CRYPTO_SHA1],[],[
635 AC_MSG_ERROR([Lustre capability require that CONFIG_CRYPTO_SHA1 is enabled in your kernel.])
639 AC_DEFUN([LC_SUNRPC_CACHE],
640 [AC_MSG_CHECKING([if sunrpc struct cache_head uses kref])
641 LB_LINUX_TRY_COMPILE([
642 #include <linux/sunrpc/cache.h>
644 struct cache_head ch;
648 AC_DEFINE(HAVE_SUNRPC_CACHE_V2, 1, [sunrpc cache facility v2])
654 AC_DEFUN([LC_CONFIG_SUNRPC],
655 [LB_LINUX_CONFIG_IM([SUNRPC],[],
656 [AC_MSG_ERROR([kernel SUNRPC support is required by using GSS.])])
661 # LC_CONFIG_GSS_KEYRING (default enabled, if gss is enabled)
663 AC_DEFUN([LC_CONFIG_GSS_KEYRING],
664 [AC_MSG_CHECKING([whether to enable gss keyring backend])
665 AC_ARG_ENABLE([gss_keyring],
666 [AC_HELP_STRING([--disable-gss-keyring],
667 [disable gss keyring backend])],
668 [],[enable_gss_keyring='yes'])
669 AC_MSG_RESULT([$enable_gss_keyring])
671 if test x$enable_gss_keyring != xno; then
672 LB_LINUX_CONFIG_IM([KEYS],[],
673 [AC_MSG_ERROR([GSS keyring backend require that CONFIG_KEYS be enabled in your kernel.])])
675 AC_CHECK_LIB([keyutils], [keyctl_search], [],
676 [AC_MSG_ERROR([libkeyutils is not found, which is required by gss keyring backend])],)
678 AC_DEFINE([HAVE_GSS_KEYRING], [1],
679 [Define this if you enable gss keyring backend])
683 m4_pattern_allow(AC_KERBEROS_V5)
686 # LC_CONFIG_GSS (default disabled)
688 # Build gss and related tools of Lustre. Currently both kernel and user space
689 # parts are depend on linux platform.
691 AC_DEFUN([LC_CONFIG_GSS],
692 [AC_MSG_CHECKING([whether to enable gss/krb5 support])
694 [AC_HELP_STRING([--enable-gss], [enable gss/krb5 support])],
695 [],[enable_gss='no'])
696 AC_MSG_RESULT([$enable_gss])
698 if test x$enable_gss == xyes; then
699 LC_CONFIG_GSS_KEYRING
702 LB_LINUX_CONFIG_IM([CRYPTO_MD5],[],
703 [AC_MSG_WARN([kernel MD5 support is recommended by using GSS.])])
704 LB_LINUX_CONFIG_IM([CRYPTO_SHA1],[],
705 [AC_MSG_WARN([kernel SHA1 support is recommended by using GSS.])])
706 LB_LINUX_CONFIG_IM([CRYPTO_SHA256],[],
707 [AC_MSG_WARN([kernel SHA256 support is recommended by using GSS.])])
708 LB_LINUX_CONFIG_IM([CRYPTO_SHA512],[],
709 [AC_MSG_WARN([kernel SHA512 support is recommended by using GSS.])])
710 LB_LINUX_CONFIG_IM([CRYPTO_WP512],[],
711 [AC_MSG_WARN([kernel WP512 support is recommended by using GSS.])])
712 LB_LINUX_CONFIG_IM([CRYPTO_ARC4],[],
713 [AC_MSG_WARN([kernel ARC4 support is recommended by using GSS.])])
714 LB_LINUX_CONFIG_IM([CRYPTO_DES],[],
715 [AC_MSG_WARN([kernel DES support is recommended by using GSS.])])
716 LB_LINUX_CONFIG_IM([CRYPTO_TWOFISH],[],
717 [AC_MSG_WARN([kernel TWOFISH support is recommended by using GSS.])])
718 LB_LINUX_CONFIG_IM([CRYPTO_CAST6],[],
719 [AC_MSG_WARN([kernel CAST6 support is recommended by using GSS.])])
721 dnl the AES symbol usually tied with arch, e.g. CRYPTO_AES_586
723 LB_LINUX_CONFIG_IM([CRYPTO_AES],[],
724 [AC_MSG_WARN([kernel AES support is recommended by using GSS.])])
726 AC_CHECK_LIB([gssapi], [gss_init_sec_context],
727 [GSSAPI_LIBS="$GSSAPI_LDFLAGS -lgssapi"],
728 [AC_CHECK_LIB([gssglue], [gss_init_sec_context],
729 [GSSAPI_LIBS="$GSSAPI_LDFLAGS -lgssglue"],
730 [AC_MSG_ERROR([libgssapi or libgssglue is not found, which is required by GSS.])])],)
732 AC_SUBST(GSSAPI_LIBS)
738 # LC_FUNC_MS_FLOCK_LOCK
740 # SLES9 kernel has MS_FLOCK_LOCK sb flag
742 AC_DEFUN([LC_FUNC_MS_FLOCK_LOCK],
743 [AC_MSG_CHECKING([if kernel has MS_FLOCK_LOCK sb flag])
744 LB_LINUX_TRY_COMPILE([
745 #include <linux/fs.h>
747 int flags = MS_FLOCK_LOCK;
749 AC_DEFINE(HAVE_MS_FLOCK_LOCK, 1,
750 [kernel has MS_FLOCK_LOCK flag])
758 # LC_FUNC_HAVE_CAN_SLEEP_ARG
760 # SLES9 kernel has third arg can_sleep
761 # in fs/locks.c: flock_lock_file_wait()
763 AC_DEFUN([LC_FUNC_HAVE_CAN_SLEEP_ARG],
764 [AC_MSG_CHECKING([if kernel has third arg can_sleep in fs/locks.c: flock_lock_file_wait()])
765 LB_LINUX_TRY_COMPILE([
766 #include <linux/fs.h>
770 struct file_lock *file_lock;
771 flock_lock_file_wait(file, file_lock, cansleep);
773 AC_DEFINE(HAVE_CAN_SLEEP_ARG, 1,
774 [kernel has third arg can_sleep in fs/locks.c: flock_lock_file_wait()])
784 # rhel4.2 kernel has f_op->flock field
786 AC_DEFUN([LC_FUNC_F_OP_FLOCK],
787 [AC_MSG_CHECKING([if struct file_operations has flock field])
788 LB_LINUX_TRY_COMPILE([
789 #include <linux/fs.h>
791 struct file_operations ll_file_operations_flock;
792 ll_file_operations_flock.flock = NULL;
794 AC_DEFINE(HAVE_F_OP_FLOCK, 1,
795 [struct file_operations has flock field])
805 # task struct has p_pptr instead of parent
807 AC_DEFUN([LC_TASK_PPTR],
808 [AC_MSG_CHECKING([task p_pptr found])
809 LB_LINUX_TRY_COMPILE([
810 #include <linux/sched.h>
812 struct task_struct *p;
817 AC_DEFINE(HAVE_TASK_PPTR, 1, [task p_pptr found])
826 # rhel4.2 kernel has f_op->flock field
828 AC_DEFUN([LC_FUNC_F_OP_FLOCK],
829 [AC_MSG_CHECKING([if struct file_operations has flock field])
830 LB_LINUX_TRY_COMPILE([
831 #include <linux/fs.h>
833 struct file_operations ll_file_operations_flock;
834 ll_file_operations_flock.flock = NULL;
836 AC_DEFINE(HAVE_F_OP_FLOCK, 1,
837 [struct file_operations has flock field])
845 # after 2.6.15 inode have i_mutex intead of i_sem
846 AC_DEFUN([LC_INODE_I_MUTEX],
847 [AC_MSG_CHECKING([use inode have i_mutex ])
848 LB_LINUX_TRY_COMPILE([
849 #include <linux/mutex.h>
850 #include <linux/fs.h>
855 mutex_unlock(&i.i_mutex);
858 AC_DEFINE(HAVE_INODE_I_MUTEX, 1,
859 [after 2.6.15 inode have i_mutex intead of i_sem])
866 # SLES 9 uses a different name for this file - unsure about vanilla kernels
867 # around this version, but it matters for servers only.
868 AC_DEFUN([LC_SYMVERFILE],
869 [AC_MSG_CHECKING([name of symverfile])
870 if grep -q Modules.symvers $LINUX/scripts/Makefile.modpost ; then
871 SYMVERFILE=Modules.symvers
873 SYMVERFILE=Module.symvers
875 AC_MSG_RESULT($SYMVERFILE)
876 AC_SUBST(SYMVERFILE)])
879 # after 2.6.17 dquote use mutex instead if semaphore
880 AC_DEFUN([LC_DQUOTOFF_MUTEX],
881 [AC_MSG_CHECKING([use dqonoff_mutex])
882 LB_LINUX_TRY_COMPILE([
883 #include <linux/mutex.h>
884 #include <linux/fs.h>
885 #include <linux/quota.h>
887 struct quota_info dq;
889 mutex_unlock(&dq.dqonoff_mutex);
892 AC_DEFINE(HAVE_DQUOTOFF_MUTEX, 1,
893 [after 2.6.17 dquote use mutex instead if semaphore])
900 # LC_STATFS_DENTRY_PARAM
901 # starting from 2.6.18 linux kernel uses dentry instead of
902 # super_block for first vfs_statfs argument
904 AC_DEFUN([LC_STATFS_DENTRY_PARAM],
905 [AC_MSG_CHECKING([first vfs_statfs parameter is dentry])
906 LB_LINUX_TRY_COMPILE([
907 #include <linux/fs.h>
909 int vfs_statfs(struct dentry *, struct kstatfs *);
911 AC_DEFINE(HAVE_STATFS_DENTRY_PARAM, 1,
912 [first parameter of vfs_statfs is dentry])
921 # starting from 2.6.18 kernel don't export do_kern_mount
922 # and want to use vfs_kern_mount instead.
924 AC_DEFUN([LC_VFS_KERN_MOUNT],
925 [AC_MSG_CHECKING([vfs_kern_mount exist in kernel])
926 LB_LINUX_TRY_COMPILE([
927 #include <linux/mount.h>
929 vfs_kern_mount(NULL, 0, NULL, NULL);
931 AC_DEFINE(HAVE_VFS_KERN_MOUNT, 1,
932 [vfs_kern_mount exist in kernel])
940 # LC_INVALIDATEPAGE_RETURN_INT
941 # more 2.6 api changes. return type for the invalidatepage
942 # address_space_operation is 'void' in new kernels but 'int' in old
944 AC_DEFUN([LC_INVALIDATEPAGE_RETURN_INT],
945 [AC_MSG_CHECKING([invalidatepage has return int])
946 LB_LINUX_TRY_COMPILE([
947 #include <linux/buffer_head.h>
949 int rc = block_invalidatepage(NULL, 0);
952 AC_DEFINE(HAVE_INVALIDATEPAGE_RETURN_INT, 1,
953 [Define if return type of invalidatepage should be int])
959 # LC_UMOUNTBEGIN_HAS_VFSMOUNT
960 # more 2.6 API changes. 2.6.18 umount_begin has different parameters
961 AC_DEFUN([LC_UMOUNTBEGIN_HAS_VFSMOUNT],
962 [AC_MSG_CHECKING([if umount_begin needs vfsmount parameter instead of super_block])
963 tmp_flags="$EXTRA_KCFLAGS"
964 EXTRA_KCFLAGS="-Werror"
965 LB_LINUX_TRY_COMPILE([
966 #include <linux/fs.h>
969 static void cfg_umount_begin (struct vfsmount *v, int flags)
974 static struct super_operations cfg_super_operations = {
975 .umount_begin = cfg_umount_begin,
978 cfg_super_operations.umount_begin(NULL,0);
981 AC_DEFINE(HAVE_UMOUNTBEGIN_VFSMOUNT, 1,
982 [Define umount_begin need second argument])
986 EXTRA_KCFLAGS="$tmp_flags"
990 # inode don't have i_blksize field
991 AC_DEFUN([LC_INODE_BLKSIZE],
992 [AC_MSG_CHECKING([inode has i_blksize field])
993 LB_LINUX_TRY_COMPILE([
994 #include <linux/fs.h>
1000 AC_DEFINE(HAVE_INODE_BLKSIZE, 1,
1001 [struct inode has i_blksize field])
1007 # LC_VFS_READDIR_U64_INO
1008 # 2.6.19 use u64 for inode number instead of inode_t
1009 AC_DEFUN([LC_VFS_READDIR_U64_INO],
1010 [AC_MSG_CHECKING([check vfs_readdir need 64bit inode number])
1011 tmp_flags="$EXTRA_KCFLAGS"
1012 EXTRA_KCFLAGS="-Werror"
1013 LB_LINUX_TRY_COMPILE([
1014 #include <linux/fs.h>
1015 int fillonedir(void * __buf, const char * name, int namlen, loff_t offset,
1016 u64 ino, unsigned int d_type)
1023 filter = fillonedir;
1027 AC_DEFINE(HAVE_VFS_READDIR_U64_INO, 1,
1028 [if vfs_readdir need 64bit inode number])
1032 EXTRA_KCFLAGS="$tmp_flags"
1035 # LC_GENERIC_FILE_WRITE
1036 # 2.6.19 introduce do_sync_write instead of
1037 # generic_file_write
1038 AC_DEFUN([LC_GENERIC_FILE_WRITE],
1039 [AC_MSG_CHECKING([use generic_file_write])
1040 LB_LINUX_TRY_COMPILE([
1041 #include <linux/fs.h>
1043 int result = generic_file_read(NULL, NULL, 0, 0);
1046 AC_DEFINE(HAVE_GENERIC_FILE_WRITE, 1,
1047 [use generic_file_write])
1053 # LC_GENERIC_FILE_READ
1054 # 2.6.19 need to use do_sync_read instead of
1056 AC_DEFUN([LC_GENERIC_FILE_READ],
1057 [AC_MSG_CHECKING([use generic_file_read])
1058 LB_LINUX_TRY_COMPILE([
1059 #include <linux/fs.h>
1061 int result = generic_file_read(NULL, NULL, 0, 0);
1064 AC_DEFINE(HAVE_GENERIC_FILE_READ, 1,
1065 [use generic_file_read])
1072 # 2.6.18 don't export nr_pagecahe
1073 AC_DEFUN([LC_NR_PAGECACHE],
1074 [AC_MSG_CHECKING([kernel export nr_pagecache])
1075 LB_LINUX_TRY_COMPILE([
1076 #include <linux/pagemap.h>
1078 return atomic_read(&nr_pagecache);
1081 AC_DEFINE(HAVE_NR_PAGECACHE, 1,
1082 [is kernel export nr_pagecache])
1088 # LC_CANCEL_DIRTY_PAGE
1089 # 2.6.20 introduse cancel_dirty_page instead of
1091 AC_DEFUN([LC_CANCEL_DIRTY_PAGE],
1092 [AC_MSG_CHECKING([kernel has cancel_dirty_page])
1093 LB_LINUX_TRY_COMPILE([
1094 #include <linux/page-flags.h>
1096 cancel_dirty_page(NULL, 0);
1099 AC_DEFINE(HAVE_CANCEL_DIRTY_PAGE, 1,
1100 [kernel has cancel_dirty_page instead of clear_page_dirty])
1109 # In order to support raid5 zerocopy patch, we have to patch the kernel to make
1110 # it support constant page, which means the page won't be modified during the
1113 AC_DEFUN([LC_PAGE_CONSTANT],
1114 [AC_MSG_CHECKING([if kernel have PageConstant defined])
1115 LB_LINUX_TRY_COMPILE([
1116 #include <linux/page-flags.h>
1119 #error "Have no raid5 zcopy patch"
1123 AC_DEFINE(HAVE_PAGE_CONSTANT, 1, [kernel have PageConstant supported])
1129 # RHEL5 in FS-cache patch rename PG_checked flag
1131 AC_DEFUN([LC_PG_FS_MISC],
1132 [AC_MSG_CHECKING([kernel has PG_fs_misc])
1133 LB_LINUX_TRY_COMPILE([
1134 #include <linux/page-flags.h>
1137 #error PG_fs_misc not defined in kernel
1141 AC_DEFINE(HAVE_PG_FS_MISC, 1,
1142 [is kernel have PG_fs_misc])
1148 # RHEL5 PageChecked and SetPageChecked defined
1149 AC_DEFUN([LC_PAGE_CHECKED],
1150 [AC_MSG_CHECKING([kernel has PageChecked and SetPageChecked])
1151 LB_LINUX_TRY_COMPILE([
1152 #include <linux/page-flags.h>
1155 #error PageChecked not defined in kernel
1157 #ifndef SetPageChecked
1158 #error SetPageChecked not defined in kernel
1162 AC_DEFINE(HAVE_PAGE_CHECKED, 1,
1163 [does kernel have PageChecked and SetPageChecked])
1169 AC_DEFUN([LC_EXPORT_TRUNCATE_COMPLETE],
1170 [LB_CHECK_SYMBOL_EXPORT([truncate_complete_page],
1172 AC_DEFINE(HAVE_TRUNCATE_COMPLETE_PAGE, 1,
1173 [kernel export truncate_complete_page])
1178 AC_DEFUN([LC_EXPORT_D_REHASH_COND],
1179 [LB_CHECK_SYMBOL_EXPORT([d_rehash_cond],
1181 AC_DEFINE(HAVE_D_REHASH_COND, 1,
1182 [d_rehash_cond is exported by the kernel])
1187 AC_DEFUN([LC_EXPORT___D_REHASH],
1188 [LB_CHECK_SYMBOL_EXPORT([__d_rehash],
1190 AC_DEFINE(HAVE___D_REHASH, 1,
1191 [__d_rehash is exported by the kernel])
1196 AC_DEFUN([LC_EXPORT_D_MOVE_LOCKED],
1197 [LB_CHECK_SYMBOL_EXPORT([d_move_locked],
1199 AC_DEFINE(HAVE_D_MOVE_LOCKED, 1,
1200 [d_move_locked is exported by the kernel])
1205 AC_DEFUN([LC_EXPORT___D_MOVE],
1206 [LB_CHECK_SYMBOL_EXPORT([__d_move],
1208 AC_DEFINE(HAVE___D_MOVE, 1,
1209 [__d_move is exported by the kernel])
1214 # The actual symbol exported varies among architectures, so we need
1215 # to check many symbols (but only in the current architecture.) No
1216 # matter what symbol is exported, the kernel #defines node_to_cpumask
1217 # to the appropriate function and that's what we use.
1218 AC_DEFUN([LC_EXPORT_NODE_TO_CPUMASK],
1220 LB_CHECK_SYMBOL_EXPORT([node_to_cpumask],
1221 [arch/$LINUX_ARCH/mm/numa.c],
1222 [AC_DEFINE(HAVE_NODE_TO_CPUMASK, 1,
1223 [node_to_cpumask is exported by
1224 the kernel])]) # x86_64
1225 LB_CHECK_SYMBOL_EXPORT([node_to_cpu_mask],
1226 [arch/$LINUX_ARCH/kernel/smpboot.c],
1227 [AC_DEFINE(HAVE_NODE_TO_CPUMASK, 1,
1228 [node_to_cpumask is exported by
1229 the kernel])]) # ia64
1230 LB_CHECK_SYMBOL_EXPORT([node_2_cpu_mask],
1231 [arch/$LINUX_ARCH/kernel/smpboot.c],
1232 [AC_DEFINE(HAVE_NODE_TO_CPUMASK, 1,
1233 [node_to_cpumask is exported by
1234 the kernel])]) # i386
1237 # 2.6.22 lost second parameter for invalidate_bdev
1238 AC_DEFUN([LC_INVALIDATE_BDEV_2ARG],
1239 [AC_MSG_CHECKING([if invalidate_bdev has second argument])
1240 LB_LINUX_TRY_COMPILE([
1241 #include <linux/buffer_head.h>
1243 invalidate_bdev(NULL,0);
1245 AC_MSG_RESULT([yes])
1246 AC_DEFINE(HAVE_INVALIDATE_BDEV_2ARG, 1,
1247 [invalidate_bdev has second argument])
1253 # 2.6.23 have return type 'void' for unregister_blkdev
1254 AC_DEFUN([LC_UNREGISTER_BLKDEV_RETURN_INT],
1255 [AC_MSG_CHECKING([if unregister_blkdev return int])
1256 LB_LINUX_TRY_COMPILE([
1257 #include <linux/fs.h>
1259 int i = unregister_blkdev(0,NULL);
1261 AC_MSG_RESULT([yes])
1262 AC_DEFINE(HAVE_UNREGISTER_BLKDEV_RETURN_INT, 1,
1263 [unregister_blkdev return int])
1269 # 2.6.23 change .sendfile to .splice_read
1270 AC_DEFUN([LC_KERNEL_SPLICE_READ],
1271 [AC_MSG_CHECKING([if kernel has .splice_read])
1272 LB_LINUX_TRY_COMPILE([
1273 #include <linux/fs.h>
1275 struct file_operations file;
1277 file.splice_read = NULL;
1279 AC_MSG_RESULT([yes])
1280 AC_DEFINE(HAVE_KERNEL_SPLICE_READ, 1,
1281 [kernel has .slice_read])
1287 # 2.6.23 extract nfs export related data into exportfs.h
1288 AC_DEFUN([LC_HAVE_EXPORTFS_H],
1291 CFLAGS="$CFLAGS -I$LINUX_OBJ/include"
1292 AC_CHECK_HEADERS([linux/exportfs.h])
1297 # LC_VFS_INTENT_PATCHES
1299 # check if the kernel has the VFS intent patches
1300 AC_DEFUN([LC_VFS_INTENT_PATCHES],
1301 [AC_MSG_CHECKING([if the kernel has the VFS intent patches])
1302 LB_LINUX_TRY_COMPILE([
1303 #include <linux/fs.h>
1304 #include <linux/namei.h>
1306 struct nameidata nd;
1307 struct lookup_intent *it;
1310 intent_init(it, IT_OPEN);
1311 it->d.lustre.it_disposition = 0;
1312 it->d.lustre.it_data = NULL;
1314 AC_MSG_RESULT([yes])
1315 AC_DEFINE(HAVE_VFS_INTENT_PATCHES, 1, [VFS intent patches are applied])
1321 AC_DEFUN([LC_S_TIME_GRAN],
1322 [AC_MSG_CHECKING([if super block has s_time_gran member])
1323 LB_LINUX_TRY_COMPILE([
1324 #include <linux/fs.h>
1326 struct super_block sb;
1328 return sb.s_time_gran;
1330 AC_MSG_RESULT([yes])
1331 AC_DEFINE(HAVE_S_TIME_GRAN, 1, [super block has s_time_gran member])
1337 AC_DEFUN([LC_SB_TIME_GRAN],
1338 [AC_MSG_CHECKING([if kernel has old get_sb_time_gran])
1339 LB_LINUX_TRY_COMPILE([
1340 #include <linux/fs.h>
1342 return get_sb_time_gran(NULL);
1344 AC_MSG_RESULT([yes])
1345 AC_DEFINE(HAVE_SB_TIME_GRAN, 1, [kernel has old get_sb_time_gran])
1352 # ~2.6.12 merge patch from oracle to convert tree_lock from spinlock to rwlock
1353 AC_DEFUN([LC_RW_TREE_LOCK],
1354 [AC_MSG_CHECKING([if kernel has tree_lock as rwlock])
1355 tmp_flags="$EXTRA_KCFLAGS"
1356 EXTRA_KCFLAGS="-Werror"
1357 LB_LINUX_TRY_COMPILE([
1358 #include <linux/fs.h>
1360 struct address_space a;
1362 write_lock(&a.tree_lock);
1364 AC_MSG_RESULT([yes])
1365 AC_DEFINE(HAVE_RW_TREE_LOCK, 1, [kernel has tree_lock as rw_lock])
1369 EXTRA_KCFLAGS="$tmp_flags"
1372 AC_DEFUN([LC_CONST_ACL_SIZE],
1373 [AC_MSG_CHECKING([calc acl size])
1375 CFLAGS="$CFLAGS -I $LINUX_OBJ/include $EXTRA_KCFLAGS"
1378 #include <linux/autoconf.h>
1379 #include <linux/types.h>
1382 #define __LINUX_POSIX_ACL_H
1384 # ifdef CONFIG_FS_POSIX_ACL
1385 # ifdef HAVE_XATTR_ACL
1386 # include <linux/xattr_acl.h>
1388 # ifdef HAVE_LINUX_POSIX_ACL_XATTR_H
1389 # include <linux/posix_acl_xattr.h>
1393 #include <linux/lustre_acl.h>
1399 int size = mds_xattr_acl_size(LUSTRE_POSIX_ACL_MAX_ENTRIES);
1400 FILE *f = fopen("acl.size","w+");
1401 fprintf(f,"%d", size);
1408 acl_size=`cat acl.size`
1409 AC_MSG_RESULT([ACL size $acl_size])
1410 AC_DEFINE_UNQUOTED(XATTR_ACL_SIZE, AS_TR_SH([$acl_size]), [size of xattr acl])
1412 AC_ERROR([ACL size can't computed])
1418 # check for crypto API
1420 AC_DEFUN([LC_ASYNC_BLOCK_CIPHER],
1421 [AC_MSG_CHECKING([if kernel has block cipher support])
1422 LB_LINUX_TRY_COMPILE([
1423 #include <linux/crypto.h>
1425 int v = CRYPTO_ALG_TYPE_BLKCIPHER;
1427 AC_MSG_RESULT([yes])
1428 AC_DEFINE(HAVE_ASYNC_BLOCK_CIPHER, 1, [kernel has block cipher support])
1438 # Lustre linux kernel checks
1440 AC_DEFUN([LC_PROG_LINUX],
1441 [LC_LUSTRE_VERSION_H
1442 if test x$enable_server = xyes ; then
1443 AC_DEFINE(HAVE_SERVER_SUPPORT, 1, [support server])
1448 LC_CONFIG_LIBLUSTRE_RECOVERY
1450 LC_CONFIG_HEALTH_CHECK_WRITE
1451 LC_CONFIG_LRU_RESIZE
1455 LC_EXPORT_TRUNCATE_COMPLETE
1456 LC_EXPORT_D_REHASH_COND
1457 LC_EXPORT___D_REHASH
1458 LC_EXPORT_D_MOVE_LOCKED
1460 LC_EXPORT_NODE_TO_CPUMASK
1463 LC_FUNC_COND_RESCHED
1464 LC_FUNC_ZAP_PAGE_RANGE
1469 LC_FUNC_REGISTER_CACHE
1470 LC_FUNC_GRAB_CACHE_PAGE_NOWAIT_GFP
1471 LC_FUNC_DEV_SET_RDONLY
1472 LC_FUNC_FILEMAP_FDATAWRITE
1475 LC_STRUCT_FILE_OPS_UNLOCKED_IOCTL
1481 LC_POSIX_ACL_XATTR_H
1484 LC_STRUCT_INTENT_FILE
1489 LC_FUNC_MS_FLOCK_LOCK
1490 LC_FUNC_HAVE_CAN_SLEEP_ARG
1493 LC_COOKIE_FOLLOW_LINK
1496 # does the kernel have VFS intent patches?
1497 LC_VFS_INTENT_PATCHES
1509 # SLES 10 (at least)
1517 LC_STATFS_DENTRY_PARAM
1519 LC_INVALIDATEPAGE_RETURN_INT
1520 LC_UMOUNTBEGIN_HAS_VFSMOUNT
1522 #2.6.18 + RHEL5 (fc6)
1528 LC_VFS_READDIR_U64_INO
1529 LC_GENERIC_FILE_READ
1530 LC_GENERIC_FILE_WRITE
1533 LC_CANCEL_DIRTY_PAGE
1535 # raid5-zerocopy patch
1539 LC_INVALIDATE_BDEV_2ARG
1540 LC_ASYNC_BLOCK_CIPHER
1542 LC_UNREGISTER_BLKDEV_RETURN_INT
1543 LC_KERNEL_SPLICE_READ
1548 # LC_CONFIG_CLIENT_SERVER
1550 # Build client/server sides of Lustre
1552 AC_DEFUN([LC_CONFIG_CLIENT_SERVER],
1553 [AC_MSG_CHECKING([whether to build Lustre server support])
1554 AC_ARG_ENABLE([server],
1555 AC_HELP_STRING([--disable-server],
1556 [disable Lustre server support]),
1557 [],[enable_server='yes'])
1558 AC_MSG_RESULT([$enable_server])
1560 AC_MSG_CHECKING([whether to build Lustre client support])
1561 AC_ARG_ENABLE([client],
1562 AC_HELP_STRING([--disable-client],
1563 [disable Lustre client support]),
1564 [],[enable_client='yes'])
1565 AC_MSG_RESULT([$enable_client])])
1568 # LC_CONFIG_LIBLUSTRE
1570 # whether to build liblustre
1572 AC_DEFUN([LC_CONFIG_LIBLUSTRE],
1573 [AC_MSG_CHECKING([whether to build Lustre library])
1574 AC_ARG_ENABLE([liblustre],
1575 AC_HELP_STRING([--disable-liblustre],
1576 [disable building of Lustre library]),
1577 [],[enable_liblustre=$with_sysio])
1578 AC_MSG_RESULT([$enable_liblustre])
1579 # only build sysio if liblustre is built
1580 with_sysio="$enable_liblustre"
1582 AC_MSG_CHECKING([whether to build liblustre tests])
1583 AC_ARG_ENABLE([liblustre-tests],
1584 AC_HELP_STRING([--enable-liblustre-tests],
1585 [enable liblustre tests, if --disable-tests is used]),
1586 [],[enable_liblustre_tests=$enable_tests])
1587 if test x$enable_liblustre != xyes ; then
1588 enable_liblustre_tests='no'
1590 AC_MSG_RESULT([$enable_liblustre_tests])
1592 AC_MSG_CHECKING([whether to enable liblustre acl])
1593 AC_ARG_ENABLE([liblustre-acl],
1594 AC_HELP_STRING([--disable-liblustre-acl],
1595 [disable ACL support for liblustre]),
1596 [],[enable_liblustre_acl=yes])
1597 if test x$enable_liblustre != xyes ; then
1598 enable_liblustre_acl='no'
1600 AC_MSG_RESULT([$enable_liblustre_acl])
1601 if test x$enable_liblustre_acl != xno ; then
1602 AC_DEFINE(LIBLUSTRE_POSIX_ACL, 1, Liblustre Support ACL-enabled MDS)
1605 AC_MSG_CHECKING([whether to build mpitests])
1606 AC_ARG_ENABLE([mpitests],
1607 AC_HELP_STRING([--enable-mpitests],
1608 [build liblustre mpi tests]),
1609 [],[enable_mpitests=no])
1610 AC_MSG_RESULT([$enable_mpitests])
1612 AC_MSG_NOTICE([Enabling Lustre configure options for libsysio])
1613 ac_configure_args="$ac_configure_args --with-lustre-hack --with-sockets"
1616 LC_CONFIG_LIBLUSTRE_RECOVERY
1619 AC_DEFUN([LC_CONFIG_LRU_RESIZE],
1620 [AC_MSG_CHECKING([whether to enable lru self-adjusting])
1621 AC_ARG_ENABLE([lru_resize],
1622 AC_HELP_STRING([--enable-lru-resize],
1623 [enable lru resize support]),
1624 [],[enable_lru_resize='yes'])
1625 AC_MSG_RESULT([$enable_lru_resize])
1626 if test x$enable_lru_resize != xno; then
1627 AC_DEFINE(HAVE_LRU_RESIZE_SUPPORT, 1, [Enable lru resize support])
1634 # whether to enable quota support
1636 AC_DEFUN([LC_CONFIG_QUOTA],
1637 [AC_MSG_CHECKING([whether to disable quota support])
1638 AC_ARG_ENABLE([quota],
1639 AC_HELP_STRING([--disable-quota],
1640 [disable quota support]),
1641 [],[enable_quota='yes'])
1642 AC_MSG_RESULT([$enable_quota])
1643 if test x$linux25 != xyes; then
1646 if test x$enable_quota != xno; then
1647 AC_DEFINE(HAVE_QUOTA_SUPPORT, 1, [Enable quota support])
1654 # whether to enable split support
1656 AC_DEFUN([LC_CONFIG_SPLIT],
1657 [AC_MSG_CHECKING([whether to enable split support])
1658 AC_ARG_ENABLE([split],
1659 AC_HELP_STRING([--enable-split],
1660 [enable split support]),
1661 [],[enable_split='no'])
1662 AC_MSG_RESULT([$enable_split])
1663 if test x$enable_split != xno; then
1664 AC_DEFINE(HAVE_SPLIT_SUPPORT, 1, [enable split support])
1668 AC_DEFUN([LC_QUOTA_READ],
1669 [AC_MSG_CHECKING([if kernel supports quota_read])
1670 LB_LINUX_TRY_COMPILE([
1671 #include <linux/fs.h>
1673 struct super_operations sp;
1674 void *i = (void *)sp.quota_read;
1676 AC_MSG_RESULT([yes])
1677 AC_DEFINE(KERNEL_SUPPORTS_QUOTA_READ, 1, [quota_read found])
1684 # LC_COOKIE_FOLLOW_LINK
1686 # kernel 2.6.13+ ->follow_link returns a cookie
1689 AC_DEFUN([LC_COOKIE_FOLLOW_LINK],
1690 [AC_MSG_CHECKING([if inode_operations->follow_link returns a cookie])
1691 LB_LINUX_TRY_COMPILE([
1692 #include <linux/fs.h>
1693 #include <linux/namei.h>
1695 struct dentry dentry;
1696 struct nameidata nd;
1698 dentry.d_inode->i_op->put_link(&dentry, &nd, NULL);
1700 AC_DEFINE(HAVE_COOKIE_FOLLOW_LINK, 1, [inode_operations->follow_link returns a cookie])
1701 AC_MSG_RESULT([yes])
1710 # kernels prior than 2.6.0(?) have no RCU supported; in kernel 2.6.5(SUSE),
1711 # call_rcu takes three parameters.
1713 AC_DEFUN([LC_FUNC_RCU],
1714 [AC_MSG_CHECKING([if kernel have RCU supported])
1715 LB_LINUX_TRY_COMPILE([
1716 #include <linux/rcupdate.h>
1718 AC_DEFINE(HAVE_RCU, 1, [have RCU defined])
1719 AC_MSG_RESULT([yes])
1721 AC_MSG_CHECKING([if call_rcu takes three parameters])
1722 LB_LINUX_TRY_COMPILE([
1723 #include <linux/rcupdate.h>
1726 call_rcu(&rh, (void (*)(struct rcu_head *))1, NULL);
1728 AC_DEFINE(HAVE_CALL_RCU_PARAM, 1, [call_rcu takes three parameters])
1729 AC_MSG_RESULT([yes])
1741 # other configure checks
1743 AC_DEFUN([LC_CONFIGURE],
1744 [LC_CONFIG_OBD_BUFFER_SIZE
1746 # include/liblustre.h
1747 AC_CHECK_HEADERS([asm/page.h sys/user.h sys/vfs.h stdint.h blkid/blkid.h])
1749 # include/lustre/lustre_user.h
1750 # See note there re: __ASM_X86_64_PROCESSOR_H
1751 AC_CHECK_HEADERS([linux/fs.h linux/quota.h])
1753 # liblustre/llite_lib.h
1754 AC_CHECK_HEADERS([xtio.h file.h])
1757 AC_CHECK_HEADERS([linux/types.h sys/types.h linux/unistd.h unistd.h])
1760 AC_CHECK_HEADERS([netinet/in.h arpa/inet.h catamount/data.h])
1761 AC_CHECK_FUNCS([inet_ntoa])
1763 # libsysio/src/readlink.c
1767 AC_CHECK_HEADERS([ext2fs/ext2fs.h])
1769 # check for -lz support
1773 [AC_CHECK_HEADERS([zlib.h],
1775 AC_DEFINE([HAVE_ADLER], 1,
1776 [support alder32 checksum type])],
1777 [AC_MSG_WARN([No zlib-devel package found,
1778 unable to use adler32 checksum])])],
1779 [AC_MSG_WARN([No zlib package found, unable to use adler32 checksum])]
1784 AC_ARG_ENABLE([mindf],
1785 AC_HELP_STRING([--enable-mindf],
1786 [Make statfs report the minimum available space on any single OST instead of the sum of free space on all OSTs]),
1788 if test "$enable_mindf" = "yes" ; then
1789 AC_DEFINE([MIN_DF], 1, [Report minimum OST free space])
1792 AC_ARG_ENABLE([fail_alloc],
1793 AC_HELP_STRING([--disable-fail-alloc],
1794 [disable randomly alloc failure]),
1795 [],[enable_fail_alloc=yes])
1796 AC_MSG_CHECKING([whether to randomly failing memory alloc])
1797 AC_MSG_RESULT([$enable_fail_alloc])
1798 if test x$enable_fail_alloc != xno ; then
1799 AC_DEFINE([RANDOM_FAIL_ALLOC], 1, [enable randomly alloc failure])
1807 # AM_CONDITIONALS for lustre
1809 AC_DEFUN([LC_CONDITIONALS],
1810 [AM_CONDITIONAL(LIBLUSTRE, test x$enable_liblustre = xyes)
1811 AM_CONDITIONAL(USE_QUILT, test x$QUILT != xno)
1812 AM_CONDITIONAL(LIBLUSTRE_TESTS, test x$enable_liblustre_tests = xyes)
1813 AM_CONDITIONAL(MPITESTS, test x$enable_mpitests = xyes, Build MPI Tests)
1814 AM_CONDITIONAL(CLIENT, test x$enable_client = xyes)
1815 AM_CONDITIONAL(SERVER, test x$enable_server = xyes)
1816 AM_CONDITIONAL(QUOTA, test x$enable_quota = xyes)
1817 AM_CONDITIONAL(SPLIT, test x$enable_split = xyes)
1818 AM_CONDITIONAL(BLKID, test x$ac_cv_header_blkid_blkid_h = xyes)
1819 AM_CONDITIONAL(EXT2FS_DEVEL, test x$ac_cv_header_ext2fs_ext2fs_h = xyes)
1820 AM_CONDITIONAL(GSS, test x$enable_gss = xyes)
1821 AM_CONDITIONAL(GSS_KEYRING, test x$enable_gss_keyring = xyes)
1822 AM_CONDITIONAL(GSS_PIPEFS, test x$enable_gss_pipefs = xyes)
1823 AM_CONDITIONAL(LIBPTHREAD, test x$enable_libpthread = xyes)
1829 # files that should be generated with AC_OUTPUT
1831 AC_DEFUN([LC_CONFIG_FILES],
1835 lustre/autoconf/Makefile
1836 lustre/contrib/Makefile
1838 lustre/include/Makefile
1839 lustre/include/lustre_ver.h
1840 lustre/include/linux/Makefile
1841 lustre/include/lustre/Makefile
1842 lustre/kernel_patches/targets/2.6-vanilla.target
1843 lustre/kernel_patches/targets/2.6-rhel4.target
1844 lustre/kernel_patches/targets/2.6-rhel5.target
1845 lustre/kernel_patches/targets/2.6-fc5.target
1846 lustre/kernel_patches/targets/2.6-patchless.target
1847 lustre/kernel_patches/targets/2.6-sles10.target
1848 lustre/ldlm/Makefile
1850 lustre/fid/autoMakefile
1851 lustre/liblustre/Makefile
1852 lustre/liblustre/tests/Makefile
1853 lustre/llite/Makefile
1854 lustre/llite/autoMakefile
1856 lustre/lov/autoMakefile
1857 lustre/lvfs/Makefile
1858 lustre/lvfs/autoMakefile
1860 lustre/mdc/autoMakefile
1862 lustre/lmv/autoMakefile
1864 lustre/mds/autoMakefile
1866 lustre/mdt/autoMakefile
1868 lustre/cmm/autoMakefile
1870 lustre/mdd/autoMakefile
1872 lustre/fld/autoMakefile
1873 lustre/obdclass/Makefile
1874 lustre/obdclass/autoMakefile
1875 lustre/obdclass/linux/Makefile
1876 lustre/obdecho/Makefile
1877 lustre/obdecho/autoMakefile
1878 lustre/obdfilter/Makefile
1879 lustre/obdfilter/autoMakefile
1881 lustre/osc/autoMakefile
1883 lustre/ost/autoMakefile
1885 lustre/osd/autoMakefile
1887 lustre/mgc/autoMakefile
1889 lustre/mgs/autoMakefile
1890 lustre/ptlrpc/Makefile
1891 lustre/ptlrpc/autoMakefile
1892 lustre/ptlrpc/gss/Makefile
1893 lustre/ptlrpc/gss/autoMakefile
1894 lustre/quota/Makefile
1895 lustre/quota/autoMakefile
1896 lustre/scripts/Makefile
1897 lustre/scripts/version_tag.pl
1898 lustre/tests/Makefile
1899 lustre/utils/Makefile
1900 lustre/utils/gss/Makefile
1902 case $lb_target_os in
1904 AC_CONFIG_FILES([ lustre/obdclass/darwin/Makefile ])