1 #* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
5 # Wrapper for AC_CONFIG_SUBDIR
7 AC_DEFUN([LC_CONFIG_SRCDIR],
8 [AC_CONFIG_SRCDIR([lustre/obdclass/obdo.c])
14 # lustre specific paths
16 AC_DEFUN([LC_PATH_DEFAULTS],
17 [# ptlrpc kernel build requires this
25 demodir='$(docdir)/demo'
28 pkgexampledir='${pkgdatadir}/examples'
29 AC_SUBST(pkgexampledir)
35 # is the target os supported?
37 AC_DEFUN([LC_TARGET_SUPPORTED],
51 # that ext3 is enabled in the kernel
53 AC_DEFUN([LC_CONFIG_EXT3],
54 [LB_LINUX_CONFIG([EXT3_FS],[],[
55 LB_LINUX_CONFIG([EXT3_FS_MODULE],[],[$2])
57 LB_LINUX_CONFIG([EXT3_FS_XATTR],[$1],[$3])
63 # If we have (and can build) fshooks.h
65 AC_DEFUN([LC_FSHOOKS],
66 [LB_CHECK_FILE([$LINUX/include/linux/fshooks.h],[
67 AC_MSG_CHECKING([if fshooks.h can be compiled])
68 LB_LINUX_TRY_COMPILE([
69 #include <linux/fshooks.h>
74 AC_MSG_WARN([You might have better luck with gcc 3.3.x.])
75 AC_MSG_WARN([You can set CC=gcc33 before running configure.])
76 AC_MSG_ERROR([Your compiler cannot build fshooks.h.])
87 # rh 2.4.18 has iobuf->dovary, but other kernels do not
89 AC_DEFUN([LC_STRUCT_KIOBUF],
90 [AC_MSG_CHECKING([if struct kiobuf has a dovary field])
91 LB_LINUX_TRY_COMPILE([
92 #include <linux/iobuf.h>
98 AC_DEFINE(HAVE_KIOBUF_DOVARY, 1, [struct kiobuf has a dovary field])
105 # LC_FUNC_COND_RESCHED
107 # cond_resched() was introduced in 2.4.20
109 AC_DEFUN([LC_FUNC_COND_RESCHED],
110 [AC_MSG_CHECKING([if kernel offers cond_resched])
111 LB_LINUX_TRY_COMPILE([
112 #include <linux/sched.h>
117 AC_DEFINE(HAVE_COND_RESCHED, 1, [cond_resched found])
124 # LC_FUNC_ZAP_PAGE_RANGE
126 # if zap_page_range() takes a vma arg
128 AC_DEFUN([LC_FUNC_ZAP_PAGE_RANGE],
129 [AC_MSG_CHECKING([if zap_page_range with vma parameter])
130 ZAP_PAGE_RANGE_VMA="`grep -c 'zap_page_range.*struct vm_area_struct' $LINUX/include/linux/mm.h`"
131 if test "$ZAP_PAGE_RANGE_VMA" != 0 ; then
132 AC_DEFINE(ZAP_PAGE_RANGE_VMA, 1, [zap_page_range with vma parameter])
142 # if proc_fs.h defines PDE()
144 AC_DEFUN([LC_FUNC_PDE],
145 [AC_MSG_CHECKING([if kernel defines PDE])
146 HAVE_PDE="`grep -c 'proc_dir_entry..PDE' $LINUX/include/linux/proc_fs.h`"
147 if test "$HAVE_PDE" != 0 ; then
148 AC_DEFINE(HAVE_PDE, 1, [the kernel defines PDE])
156 # LC_FUNC_FILEMAP_FDATASYNC
158 # if filemap_fdatasync() exists
160 AC_DEFUN([LC_FUNC_FILEMAP_FDATAWRITE],
161 [AC_MSG_CHECKING([whether filemap_fdatawrite() is defined])
162 LB_LINUX_TRY_COMPILE([
163 #include <linux/fs.h>
165 int (*foo)(struct address_space *)= filemap_fdatawrite;
168 AC_DEFINE(HAVE_FILEMAP_FDATAWRITE, 1, [filemap_fdatawrite() found])
177 # if direct_IO takes a struct file argument
179 AC_DEFUN([LC_FUNC_DIRECT_IO],
180 [AC_MSG_CHECKING([if kernel passes struct file to direct_IO])
181 HAVE_DIO_FILE="`grep -c 'direct_IO.*struct file' $LINUX/include/linux/fs.h`"
182 if test "$HAVE_DIO_FILE" != 0 ; then
183 AC_DEFINE(HAVE_DIO_FILE, 1, [the kernel passes struct file to direct_IO])
191 # LC_HEADER_MM_INLINE
193 # RHEL kernels define page_count in mm_inline.h
195 AC_DEFUN([LC_HEADER_MM_INLINE],
196 [AC_MSG_CHECKING([if kernel has mm_inline.h header])
197 LB_LINUX_TRY_COMPILE([
198 #include <linux/mm_inline.h>
201 #error mm_inline.h does not define page_count
205 AC_DEFINE(HAVE_MM_INLINE, 1, [mm_inline found])
214 # if inode->i_alloc_sem exists
216 AC_DEFUN([LC_STRUCT_INODE],
217 [AC_MSG_CHECKING([if struct inode has i_alloc_sem])
218 LB_LINUX_TRY_COMPILE([
219 #include <linux/fs.h>
220 #include <linux/version.h>
222 #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,4,24))
223 #error "down_read_trylock broken before 2.4.24"
226 return (char *)&i.i_alloc_sem - (char *)&i;
229 AC_DEFINE(HAVE_I_ALLOC_SEM, 1, [struct inode has i_alloc_sem])
236 # LC_FUNC_REGISTER_CACHE
238 # if register_cache() is defined by kernel
240 AC_DEFUN([LC_FUNC_REGISTER_CACHE],
241 [AC_MSG_CHECKING([if kernel defines register_cache()])
242 LB_LINUX_TRY_COMPILE([
243 #include <linux/list.h>
244 #include <linux/cache_def.h>
246 struct cache_definition cache;
249 AC_DEFINE(HAVE_REGISTER_CACHE, 1, [register_cache found])
250 AC_MSG_CHECKING([if kernel expects return from cache shrink function])
251 HAVE_CACHE_RETURN_INT="`grep -c 'int.*shrink' $LINUX/include/linux/cache_def.h`"
252 if test "$HAVE_CACHE_RETURN_INT" != 0 ; then
253 AC_DEFINE(HAVE_CACHE_RETURN_INT, 1, [kernel expects return from shrink_cache])
264 # LC_FUNC_GRAB_CACHE_PAGE_NOWAIT_GFP
266 # check for our patched grab_cache_page_nowait_gfp() function
268 AC_DEFUN([LC_FUNC_GRAB_CACHE_PAGE_NOWAIT_GFP],
269 [AC_MSG_CHECKING([if kernel defines grab_cache_page_nowait_gfp()])
270 HAVE_GCPN_GFP="`grep -c 'grab_cache_page_nowait_gfp' $LINUX/include/linux/pagemap.h`"
271 if test "$HAVE_GCPN_GFP" != 0 ; then
272 AC_DEFINE(HAVE_GRAB_CACHE_PAGE_NOWAIT_GFP, 1,
273 [kernel has grab_cache_page_nowait_gfp()])
281 # LC_FUNC_DEV_SET_RDONLY
283 # check for the old-style dev_set_rdonly which took an extra "devno" param
284 # and can only set a single device to discard writes at one time
286 AC_DEFUN([LC_FUNC_DEV_SET_RDONLY],
287 [AC_MSG_CHECKING([if kernel has new dev_set_rdonly])
288 LB_LINUX_TRY_COMPILE([
289 #include <linux/fs.h>
291 #ifndef HAVE_CLEAR_RDONLY_ON_PUT
292 #error needs to be patched by lustre kernel patches from Lustre version 1.4.3 or above.
296 AC_DEFINE(HAVE_DEV_SET_RDONLY, 1, [kernel has new dev_set_rdonly])
298 AC_MSG_RESULT([no, Linux kernel source needs to be patches by lustre
299 kernel patches from Lustre version 1.4.3 or above.])
304 # LC_CONFIG_BACKINGFS
306 # whether to use ldiskfs instead of ext3
308 AC_DEFUN([LC_CONFIG_BACKINGFS],
313 AC_MSG_CHECKING([whether to enable ldiskfs])
314 AC_ARG_ENABLE([ldiskfs],
315 AC_HELP_STRING([--enable-ldiskfs],
316 [use ldiskfs for the Lustre backing FS]),
317 [],[enable_ldiskfs="$linux25"])
318 AC_MSG_RESULT([$enable_ldiskfs])
320 if test x$enable_ldiskfs = xyes ; then
323 AC_MSG_CHECKING([whether to enable quilt for making ldiskfs])
324 AC_ARG_ENABLE([quilt],
325 AC_HELP_STRING([--disable-quilt],[disable use of quilt for ldiskfs]),
326 [],[enable_quilt='yes'])
327 AC_MSG_RESULT([$enable_quilt])
329 AC_PATH_PROG(PATCH, patch, [no])
331 if test x$enable_quilt = xno ; then
334 AC_PATH_PROG(QUILT, quilt, [no])
337 if test x$enable_ldiskfs$PATCH$QUILT = xyesnono ; then
338 AC_MSG_ERROR([Quilt or patch are needed to build the ldiskfs module (for Linux 2.6)])
341 AC_DEFINE(CONFIG_LDISKFS_FS_MODULE, 1, [build ldiskfs as a module])
342 AC_DEFINE(CONFIG_LDISKFS_FS_XATTR, 1, [enable extended attributes for ldiskfs])
343 AC_DEFINE(CONFIG_LDISKFS_FS_POSIX_ACL, 1, [enable posix acls])
344 AC_DEFINE(CONFIG_LDISKFS_FS_SECURITY, 1, [enable fs security])
347 AC_MSG_CHECKING([which backing filesystem to use])
348 AC_MSG_RESULT([$BACKINGFS])
353 # --- Check that ext3 and ext3 xattr are enabled in the kernel
355 AC_MSG_ERROR([Lustre requires that ext3 is enabled in the kernel])
357 AC_MSG_WARN([Lustre requires that extended attributes for ext3 are enabled in the kernel])
358 AC_MSG_WARN([This build may fail.])
362 AC_MSG_CHECKING([which ldiskfs series to use])
363 case $LINUXRELEASE in
364 2.6.5*) LDISKFS_SERIES="2.6-suse.series" ;;
365 2.6.9*) LDISKFS_SERIES="2.6-rhel4.series" ;;
366 2.6.10-ac*) LDISKFS_SERIES="2.6-fc3.series" ;;
367 2.6.10*) LDISKFS_SERIES="2.6-rhel4.series" ;;
368 2.6.12*) LDISKFS_SERIES="2.6.12-vanilla.series" ;;
369 2.6.15*) LDISKFS_SERIES="2.6-fc5.series";;
370 2.6.16*) LDISKFS_SERIES="2.6-sles10.series";;
371 2.6.18*) LDISKFS_SERIES="2.6.18-vanilla.series";;
372 *) AC_MSG_WARN([Unknown kernel version $LINUXRELEASE, fix lustre/autoconf/lustre-core.m4])
374 AC_MSG_RESULT([$LDISKFS_SERIES])
375 AC_SUBST(LDISKFS_SERIES)
383 # the pinger is temporary, until we have the recovery node in place
385 AC_DEFUN([LC_CONFIG_PINGER],
386 [AC_MSG_CHECKING([whether to enable pinger support])
387 AC_ARG_ENABLE([pinger],
388 AC_HELP_STRING([--disable-pinger],
389 [disable recovery pinger support]),
390 [],[enable_pinger='yes'])
391 AC_MSG_RESULT([$enable_pinger])
392 if test x$enable_pinger != xno ; then
393 AC_DEFINE(ENABLE_PINGER, 1, Use the Pinger)
398 # LC_CONFIG_LIBLUSTRE_RECOVERY
400 AC_DEFUN([LC_CONFIG_LIBLUSTRE_RECOVERY],
401 [AC_MSG_CHECKING([whether to enable liblustre recovery support])
402 AC_ARG_ENABLE([liblustre-recovery],
403 AC_HELP_STRING([--disable-liblustre-recovery],
404 [disable liblustre recovery support]),
405 [],[enable_liblustre_recovery='yes'])
406 AC_MSG_RESULT([$enable_liblustre_recovery])
407 if test x$enable_liblustre_recovery != xno ; then
408 AC_DEFINE(ENABLE_LIBLUSTRE_RECOVERY, 1, Liblustre Can Recover)
413 # LC_CONFIG_OBD_BUFFER_SIZE
415 # the maximum buffer size of lctl ioctls
417 AC_DEFUN([LC_CONFIG_OBD_BUFFER_SIZE],
418 [AC_MSG_CHECKING([maximum OBD ioctl size])
419 AC_ARG_WITH([obd-buffer-size],
420 AC_HELP_STRING([--with-obd-buffer-size=[size]],
421 [set lctl ioctl maximum bytes (default=8192)]),
423 OBD_BUFFER_SIZE=$with_obd_buffer_size
427 AC_MSG_RESULT([$OBD_BUFFER_SIZE bytes])
428 AC_DEFINE_UNQUOTED(OBD_MAX_IOCTL_BUFFER, $OBD_BUFFER_SIZE, [IOCTL Buffer Size])
434 # AIX does not have statfs.f_namelen
436 AC_DEFUN([LC_STRUCT_STATFS],
437 [AC_MSG_CHECKING([if struct statfs has a f_namelen field])
438 LB_LINUX_TRY_COMPILE([
439 #include <linux/vfs.h>
445 AC_DEFINE(HAVE_STATFS_NAMELEN, 1, [struct statfs has a namelen field])
452 # LC_READLINK_SSIZE_T
454 AC_DEFUN([LC_READLINK_SSIZE_T],
455 [AC_MSG_CHECKING([if readlink returns ssize_t])
459 ssize_t readlink(const char *, char *, size_t);
462 AC_DEFINE(HAVE_POSIX_1003_READLINK, 1, [readlink returns ssize_t])
468 AC_DEFUN([LC_FUNC_PAGE_MAPPED],
469 [AC_MSG_CHECKING([if kernel offers page_mapped])
470 LB_LINUX_TRY_COMPILE([
471 #include <linux/mm.h>
476 AC_DEFINE(HAVE_PAGE_MAPPED, 1, [page_mapped found])
482 AC_DEFUN([LC_STRUCT_FILE_OPS_UNLOCKED_IOCTL],
483 [AC_MSG_CHECKING([if struct file_operations has an unlocked_ioctl field])
484 LB_LINUX_TRY_COMPILE([
485 #include <linux/fs.h>
487 struct file_operations fops;
488 &fops.unlocked_ioctl;
491 AC_DEFINE(HAVE_UNLOCKED_IOCTL, 1, [struct file_operations has an unlock ed_ioctl field])
497 AC_DEFUN([LC_FILEMAP_POPULATE],
498 [AC_MSG_CHECKING([for exported filemap_populate])
499 LB_LINUX_TRY_COMPILE([
500 #include <asm/page.h>
501 #include <linux/mm.h>
503 filemap_populate(NULL, 0, 0, __pgprot(0), 0, 0);
506 AC_DEFINE(HAVE_FILEMAP_POPULATE, 1, [Kernel exports filemap_populate])
512 AC_DEFUN([LC_D_ADD_UNIQUE],
513 [AC_MSG_CHECKING([for d_add_unique])
514 LB_LINUX_TRY_COMPILE([
515 #include <linux/dcache.h>
517 d_add_unique(NULL, NULL);
520 AC_DEFINE(HAVE_D_ADD_UNIQUE, 1, [Kernel has d_add_unique])
526 AC_DEFUN([LC_BIT_SPINLOCK_H],
527 [LB_CHECK_FILE([$LINUX/include/linux/bit_spinlock.h],[
528 AC_MSG_CHECKING([if bit_spinlock.h can be compiled])
529 LB_LINUX_TRY_COMPILE([
530 #include <asm/processor.h>
531 #include <linux/spinlock.h>
532 #include <linux/bit_spinlock.h>
535 AC_DEFINE(HAVE_BIT_SPINLOCK_H, 1, [Kernel has bit_spinlock.h])
546 # If we have xattr_acl.h
548 AC_DEFUN([LC_XATTR_ACL],
549 [LB_CHECK_FILE([$LINUX/include/linux/xattr_acl.h],[
550 AC_MSG_CHECKING([if xattr_acl.h can be compiled])
551 LB_LINUX_TRY_COMPILE([
552 #include <linux/xattr_acl.h>
555 AC_DEFINE(HAVE_XATTR_ACL, 1, [Kernel has xattr_acl])
563 AC_DEFUN([LC_STRUCT_INTENT_FILE],
564 [AC_MSG_CHECKING([if struct open_intent has a file field])
565 LB_LINUX_TRY_COMPILE([
566 #include <linux/fs.h>
567 #include <linux/namei.h>
569 struct open_intent intent;
573 AC_DEFINE(HAVE_FILE_IN_STRUCT_INTENT, 1, [struct open_intent has a file field])
580 AC_DEFUN([LC_POSIX_ACL_XATTR_H],
581 [LB_CHECK_FILE([$LINUX/include/linux/posix_acl_xattr.h],[
582 AC_MSG_CHECKING([if linux/posix_acl_xattr.h can be compiled])
583 LB_LINUX_TRY_COMPILE([
584 #include <linux/posix_acl_xattr.h>
587 AC_DEFINE(HAVE_LINUX_POSIX_ACL_XATTR_H, 1, [linux/posix_acl_xattr.h found])
598 AC_DEFUN([LC_LUSTRE_VERSION_H],
599 [LB_CHECK_FILE([$LINUX/include/linux/lustre_version.h],[
600 rm -f "$LUSTRE/include/linux/lustre_version.h"
602 touch "$LUSTRE/include/linux/lustre_version.h"
603 if test x$enable_server = xyes ; then
604 AC_MSG_WARN([Unpatched kernel detected.])
605 AC_MSG_WARN([Lustre servers cannot be built with an unpatched kernel;])
606 AC_MSG_WARN([disabling server build])
612 AC_DEFUN([LC_FUNC_SET_FS_PWD],
613 [AC_MSG_CHECKING([if kernel exports show_task])
615 if grep -q "EXPORT_SYMBOL(show_task)" \
616 "$LINUX/fs/namespace.c" 2>/dev/null ; then
617 AC_DEFINE(HAVE_SET_FS_PWD, 1, [set_fs_pwd is exported])
626 # LC_FUNC_MS_FLOCK_LOCK
628 # SLES9 kernel has MS_FLOCK_LOCK sb flag
630 AC_DEFUN([LC_FUNC_MS_FLOCK_LOCK],
631 [AC_MSG_CHECKING([if kernel has MS_FLOCK_LOCK sb flag])
632 LB_LINUX_TRY_COMPILE([
633 #include <linux/fs.h>
635 int flags = MS_FLOCK_LOCK;
637 AC_DEFINE(HAVE_MS_FLOCK_LOCK, 1,
638 [kernel has MS_FLOCK_LOCK flag])
646 # LC_FUNC_HAVE_CAN_SLEEP_ARG
648 # SLES9 kernel has third arg can_sleep
649 # in fs/locks.c: flock_lock_file_wait()
651 AC_DEFUN([LC_FUNC_HAVE_CAN_SLEEP_ARG],
652 [AC_MSG_CHECKING([if kernel has third arg can_sleep in fs/locks.c: flock_lock_file_wait()])
653 LB_LINUX_TRY_COMPILE([
654 #include <linux/fs.h>
658 struct file_lock *file_lock;
659 flock_lock_file_wait(file, file_lock, cansleep);
661 AC_DEFINE(HAVE_CAN_SLEEP_ARG, 1,
662 [kernel has third arg can_sleep in fs/locks.c: flock_lock_file_wait()])
672 # rhel4.2 kernel has f_op->flock field
674 AC_DEFUN([LC_FUNC_F_OP_FLOCK],
675 [AC_MSG_CHECKING([if struct file_operations has flock field])
676 LB_LINUX_TRY_COMPILE([
677 #include <linux/fs.h>
679 struct file_operations ll_file_operations_flock;
680 ll_file_operations_flock.flock = NULL;
682 AC_DEFINE(HAVE_F_OP_FLOCK, 1,
683 [struct file_operations has flock field])
691 # LC_FUNC_MS_FLOCK_LOCK
693 # SLES9 kernel has MS_FLOCK_LOCK sb flag
695 AC_DEFUN([LC_FUNC_MS_FLOCK_LOCK],
696 [AC_MSG_CHECKING([if kernel has MS_FLOCK_LOCK sb flag])
697 LB_LINUX_TRY_COMPILE([
698 #include <linux/fs.h>
700 int flags = MS_FLOCK_LOCK;
702 AC_DEFINE(HAVE_MS_FLOCK_LOCK, 1,
703 [kernel has MS_FLOCK_LOCK flag])
711 # LC_FUNC_HAVE_CAN_SLEEP_ARG
713 # SLES9 kernel has third arg can_sleep
714 # in fs/locks.c: flock_lock_file_wait()
716 AC_DEFUN([LC_FUNC_HAVE_CAN_SLEEP_ARG],
717 [AC_MSG_CHECKING([if kernel has third arg can_sleep in fs/locks.c: flock_lock_file_wait()])
718 LB_LINUX_TRY_COMPILE([
719 #include <linux/fs.h>
723 struct file_lock *file_lock;
724 flock_lock_file_wait(file, file_lock, cansleep);
726 AC_DEFINE(HAVE_CAN_SLEEP_ARG, 1,
727 [kernel has third arg can_sleep in fs/locks.c: flock_lock_file_wait()])
737 # task struct has p_pptr instead of parent
739 AC_DEFUN([LC_TASK_PPTR],
740 [AC_MSG_CHECKING([task p_pptr found])
741 LB_LINUX_TRY_COMPILE([
742 #include <linux/sched.h>
744 struct task_struct *p;
749 AC_DEFINE(HAVE_TASK_PPTR, 1, [task p_pptr found])
758 # rhel4.2 kernel has f_op->flock field
760 AC_DEFUN([LC_FUNC_F_OP_FLOCK],
761 [AC_MSG_CHECKING([if struct file_operations has flock field])
762 LB_LINUX_TRY_COMPILE([
763 #include <linux/fs.h>
765 struct file_operations ll_file_operations_flock;
766 ll_file_operations_flock.flock = NULL;
768 AC_DEFINE(HAVE_F_OP_FLOCK, 1,
769 [struct file_operations has flock field])
777 # after 2.6.15 inode have i_mutex intead of i_sem
778 AC_DEFUN([LC_INODE_I_MUTEX],
779 [AC_MSG_CHECKING([use inode have i_mutex ])
780 LB_LINUX_TRY_COMPILE([
781 #include <linux/mutex.h>
782 #include <linux/fs.h>
786 mutex_unlock(&i.i_mutex);
789 AC_DEFINE(HAVE_INODE_I_MUTEX, 1,
790 [after 2.6.15 inode have i_mutex intead of i_sem])
798 # after 2.6.17 dquote use mutex instead if semaphore
799 AC_DEFUN([LC_DQUOTOFF_MUTEX],
800 [AC_MSG_CHECKING([use dqonoff_mutex])
801 LB_LINUX_TRY_COMPILE([
802 #include <linux/mutex.h>
803 #include <linux/fs.h>
804 #include <linux/quota.h>
806 struct quota_info dq;
808 mutex_unlock(&dq.dqonoff_mutex);
811 AC_DEFINE(HAVE_DQUOTOFF_MUTEX, 1,
812 [after 2.6.17 dquote use mutex instead if semaphore])
819 # LC_STATFS_DENTRY_PARAM
820 # starting from 2.6.18 linux kernel uses dentry instead of
821 # super_block for first vfs_statfs argument
823 AC_DEFUN([LC_STATFS_DENTRY_PARAM],
824 [AC_MSG_CHECKING([first vfs_statfs parameter is dentry])
825 LB_LINUX_TRY_COMPILE([
826 #include <linux/fs.h>
828 int vfs_statfs(struct dentry *, struct kstatfs *);
830 AC_DEFINE(HAVE_STATFS_DENTRY_PARAM, 1,
831 [first parameter of vfs_statfs is dentry])
840 # starting from 2.6.18 kernel don`t export do_kern_mount
841 # and want to use vfs_kern_mount instead.
843 AC_DEFUN([LC_VFS_KERN_MOUNT],
844 [AC_MSG_CHECKING([vfs_kern_mount exist in kernel])
845 LB_LINUX_TRY_COMPILE([
846 #include <linux/mount.h>
848 vfs_kern_mount(NULL, 0, NULL, NULL);
850 AC_DEFINE(HAVE_VFS_KERN_MOUNT, 1,
851 [vfs_kern_mount exist in kernel])
859 # LC_INVALIDATEPAGE_RETURN_INT
860 # more 2.6 api changes. return type for the invalidatepage
861 # address_space_operation is 'void' in new kernels but 'int' in old
863 AC_DEFUN([LC_INVALIDATEPAGE_RETURN_INT],
864 [AC_MSG_CHECKING([invalidatepage has return int])
865 LB_LINUX_TRY_COMPILE([
866 #include <linux/buffer_head.h>
868 int rc = block_invalidatepage(NULL, 0);
871 AC_DEFINE(HAVE_INVALIDATEPAGE_RETURN_INT, 1,
872 [Define if return type of invalidatepage should be int])
878 # LC_UMOUNTBEGIN_HAS_VFSMOUNT
879 # more 2.6 API changes. 2.6.18 umount_begin has different parameters
880 AC_DEFUN([LC_UMOUNTBEGIN_HAS_VFSMOUNT],
881 [AC_MSG_CHECKING([if umount_begin needs vfsmount parameter instead of super_block])
882 tmp_flags="$EXTRA_KCFLAGS"
883 EXTRA_KCFLAGS="-Werror"
884 LB_LINUX_TRY_COMPILE([
885 #include <linux/fs.h>
888 static void cfg_umount_begin (struct vfsmount *v, int flags)
893 static struct super_operations cfg_super_operations = {
894 .umount_begin = cfg_umount_begin,
897 cfg_super_operations.umount_begin(NULL,0);
900 AC_DEFINE(HAVE_UMOUNTBEGIN_VFSMOUNT, 1,
901 [Define umount_begin need second argument])
905 EXTRA_KCFLAGS="$tmp_flags"
909 # inode don`t have i_blksize field
910 AC_DEFUN([LC_INODE_BLKSIZE],
911 [AC_MSG_CHECKING([inode has i_blksize field])
912 LB_LINUX_TRY_COMPILE([
913 #include <linux/fs.h>
919 AC_DEFINE(HAVE_INODE_BLKSIZE, 1,
920 [struct inode has i_blksize field])
926 # LC_VFS_READDIR_U64_INO
927 # 2.6.19 use u64 for inode number instead of inode_t
928 AC_DEFUN([LC_VFS_READDIR_U64_INO],
929 [AC_MSG_CHECKING([check vfs_readdir need 64bit inode number])
930 tmp_flags="$EXTRA_KCFLAGS"
931 EXTRA_KCFLAGS="-Werror"
932 LB_LINUX_TRY_COMPILE([
933 #include <linux/fs.h>
934 int fillonedir(void * __buf, const char * name, int namlen, loff_t offset,
935 u64 ino, unsigned int d_type)
946 AC_DEFINE(HAVE_VFS_READDIR_U64_INO, 1,
947 [if vfs_readdir need 64bit inode number])
951 EXTRA_KCFLAGS="$tmp_flags"
954 # LC_GENERIC_FILE_WRITE
955 # 2.6.19 introduce do_sync_write instead of
957 AC_DEFUN([LC_GENERIC_FILE_WRITE],
958 [AC_MSG_CHECKING([use generic_file_write])
959 LB_LINUX_TRY_COMPILE([
960 #include <linux/fs.h>
962 int result = generic_file_read(NULL, NULL, 0, 0);
965 AC_DEFINE(HAVE_GENERIC_FILE_WRITE, 1,
966 [use generic_file_write])
972 # LC_GENERIC_FILE_READ
973 # 2.6.19 need to use do_sync_read instead of
975 AC_DEFUN([LC_GENERIC_FILE_READ],
976 [AC_MSG_CHECKING([use generic_file_read])
977 LB_LINUX_TRY_COMPILE([
978 #include <linux/fs.h>
980 int result = generic_file_read(NULL, NULL, 0, 0);
983 AC_DEFINE(HAVE_GENERIC_FILE_READ, 1,
984 [use generic_file_read])
991 # 2.6.18 don`t export nr_pagecahe
992 AC_DEFUN([LC_NR_PAGECACHE],
993 [AC_MSG_CHECKING([kernel export nr_pagecache])
994 LB_LINUX_TRY_COMPILE([
995 #include <linux/pagemap.h>
997 return atomic_read(&nr_pagecache);
1000 AC_DEFINE(HAVE_NR_PAGECACHE, 1,
1001 [is kernel export nr_pagecache])
1011 # Lustre linux kernel checks
1013 AC_DEFUN([LC_PROG_LINUX],
1014 [ LC_LUSTRE_VERSION_H
1015 if test x$enable_server = xyes ; then
1019 LC_CONFIG_LIBLUSTRE_RECOVERY
1025 LC_FUNC_COND_RESCHED
1026 LC_FUNC_ZAP_PAGE_RANGE
1031 LC_FUNC_REGISTER_CACHE
1032 LC_FUNC_GRAB_CACHE_PAGE_NOWAIT_GFP
1033 LC_FUNC_DEV_SET_RDONLY
1034 LC_FUNC_FILEMAP_FDATAWRITE
1037 LC_STRUCT_FILE_OPS_UNLOCKED_IOCTL
1042 LC_STRUCT_INTENT_FILE
1043 LC_POSIX_ACL_XATTR_H
1045 LC_FUNC_MS_FLOCK_LOCK
1046 LC_FUNC_HAVE_CAN_SLEEP_ARG
1049 LC_COOKIE_FOLLOW_LINK
1059 LC_STATFS_DENTRY_PARAM
1061 LC_INVALIDATEPAGE_RETURN_INT
1062 LC_UMOUNTBEGIN_HAS_VFSMOUNT
1066 LC_VFS_READDIR_U64_INO
1067 LC_GENERIC_FILE_READ
1068 LC_GENERIC_FILE_WRITE
1072 # LC_CONFIG_CLIENT_SERVER
1074 # Build client/server sides of Lustre
1076 AC_DEFUN([LC_CONFIG_CLIENT_SERVER],
1077 [AC_MSG_CHECKING([whether to build Lustre server support])
1078 AC_ARG_ENABLE([server],
1079 AC_HELP_STRING([--disable-server],
1080 [disable Lustre server support]),
1081 [],[enable_server='yes'])
1082 AC_MSG_RESULT([$enable_server])
1084 AC_MSG_CHECKING([whether to build Lustre client support])
1085 AC_ARG_ENABLE([client],
1086 AC_HELP_STRING([--disable-client],
1087 [disable Lustre client support]),
1088 [],[enable_client='yes'])
1089 AC_MSG_RESULT([$enable_client])])
1092 # LC_CONFIG_LIBLUSTRE
1094 # whether to build liblustre
1096 AC_DEFUN([LC_CONFIG_LIBLUSTRE],
1097 [AC_MSG_CHECKING([whether to build Lustre library])
1098 AC_ARG_ENABLE([liblustre],
1099 AC_HELP_STRING([--disable-liblustre],
1100 [disable building of Lustre library]),
1101 [],[enable_liblustre=$with_sysio])
1102 AC_MSG_RESULT([$enable_liblustre])
1103 # only build sysio if liblustre is built
1104 with_sysio="$enable_liblustre"
1106 AC_MSG_CHECKING([whether to build liblustre tests])
1107 AC_ARG_ENABLE([liblustre-tests],
1108 AC_HELP_STRING([--enable-liblustre-tests],
1109 [enable liblustre tests, if --disable-tests is used]),
1110 [],[enable_liblustre_tests=$enable_tests])
1111 if test x$enable_liblustre != xyes ; then
1112 enable_liblustre_tests='no'
1114 AC_MSG_RESULT([$enable_liblustre_tests])
1116 AC_MSG_CHECKING([whether to build mpitests])
1117 AC_ARG_ENABLE([mpitests],
1118 AC_HELP_STRING([--enable-mpitests],
1119 [build liblustre mpi tests]),
1120 [],[enable_mpitests=no])
1121 AC_MSG_RESULT([$enable_mpitests])
1123 AC_MSG_NOTICE([Enabling Lustre configure options for libsysio])
1124 ac_configure_args="$ac_configure_args --with-lustre-hack --with-sockets"
1127 LC_CONFIG_LIBLUSTRE_RECOVERY
1133 # whether to enable quota support
1135 AC_DEFUN([LC_CONFIG_QUOTA],
1136 [AC_MSG_CHECKING([whether to enable quota support])
1137 AC_ARG_ENABLE([quota],
1138 AC_HELP_STRING([--enable-quota],
1139 [enable quota support]),
1140 [],[enable_quota='yes'])
1141 AC_MSG_RESULT([$enable_quota])
1142 if test x$linux25 != xyes; then
1145 if test x$enable_quota != xno; then
1146 AC_DEFINE(HAVE_QUOTA_SUPPORT, 1, [Enable quota support])
1150 AC_DEFUN([LC_QUOTA_READ],
1151 [AC_MSG_CHECKING([if kernel supports quota_read])
1152 LB_LINUX_TRY_COMPILE([
1153 #include <linux/fs.h>
1155 struct super_operations sp;
1156 void *i = (void *)sp.quota_read;
1158 AC_MSG_RESULT([yes])
1159 AC_DEFINE(KERNEL_SUPPORTS_QUOTA_READ, 1, [quota_read found])
1166 # LC_COOKIE_FOLLOW_LINK
1168 # kernel 2.6.13+ ->follow_link returns a cookie
1171 AC_DEFUN([LC_COOKIE_FOLLOW_LINK],
1172 [AC_MSG_CHECKING([if inode_operations->follow_link returns a cookie])
1173 LB_LINUX_TRY_COMPILE([
1174 #include <linux/fs.h>
1175 #include <linux/namei.h>
1177 struct dentry dentry;
1178 struct nameidata nd;
1180 dentry.d_inode->i_op->put_link(&dentry, &nd, NULL);
1182 AC_DEFINE(HAVE_COOKIE_FOLLOW_LINK, 1, [inode_operations->follow_link returns a cookie])
1183 AC_MSG_RESULT([yes])
1192 # other configure checks
1194 AC_DEFUN([LC_CONFIGURE],
1195 [LC_CONFIG_OBD_BUFFER_SIZE
1197 # include/liblustre.h
1198 AC_CHECK_HEADERS([asm/page.h sys/user.h sys/vfs.h stdint.h blkid/blkid.h])
1200 # include/lustre/lustre_user.h
1201 # See note there re: __ASM_X86_64_PROCESSOR_H
1202 AC_CHECK_HEADERS([linux/quota.h])
1204 # liblustre/llite_lib.h
1205 AC_CHECK_HEADERS([xtio.h file.h])
1208 AC_CHECK_HEADERS([linux/types.h sys/types.h linux/unistd.h unistd.h])
1211 AC_CHECK_HEADERS([netinet/in.h arpa/inet.h catamount/data.h])
1212 AC_CHECK_FUNCS([inet_ntoa])
1214 # libsysio/src/readlink.c
1218 AC_CHECK_HEADERS([ext2fs/ext2fs.h])
1221 AC_ARG_ENABLE([mindf],
1222 AC_HELP_STRING([--enable-mindf],
1223 [Make statfs report the minimum available space on any single OST instead of the sum of free space on all OSTs]),
1225 if test "$enable_mindf" = "yes" ; then
1226 AC_DEFINE([MIN_DF], 1, [Report minimum OST free space])
1234 # AM_CONDITIONALS for lustre
1236 AC_DEFUN([LC_CONDITIONALS],
1237 [AM_CONDITIONAL(LIBLUSTRE, test x$enable_liblustre = xyes)
1238 AM_CONDITIONAL(LDISKFS, test x$enable_ldiskfs = xyes)
1239 AM_CONDITIONAL(USE_QUILT, test x$QUILT != xno)
1240 AM_CONDITIONAL(LIBLUSTRE_TESTS, test x$enable_liblustre_tests = xyes)
1241 AM_CONDITIONAL(MPITESTS, test x$enable_mpitests = xyes, Build MPI Tests)
1242 AM_CONDITIONAL(CLIENT, test x$enable_client = xyes)
1243 AM_CONDITIONAL(SERVER, test x$enable_server = xyes)
1244 AM_CONDITIONAL(QUOTA, test x$enable_quota = xyes)
1245 AM_CONDITIONAL(BLKID, test x$ac_cv_header_blkid_blkid_h = xyes)
1246 AM_CONDITIONAL(EXT2FS_DEVEL, test x$ac_cv_header_ext2fs_ext2fs_h = xyes)
1247 AM_CONDITIONAL(LIBPTHREAD, test x$enable_libpthread = xyes)
1253 # files that should be generated with AC_OUTPUT
1255 AC_DEFUN([LC_CONFIG_FILES],
1259 lustre/autoconf/Makefile
1260 lustre/contrib/Makefile
1262 lustre/include/Makefile
1263 lustre/include/lustre_ver.h
1264 lustre/include/linux/Makefile
1265 lustre/include/lustre/Makefile
1266 lustre/kernel_patches/targets/2.6-suse.target
1267 lustre/kernel_patches/targets/2.6-vanilla.target
1268 lustre/kernel_patches/targets/2.6-rhel4.target
1269 lustre/kernel_patches/targets/2.6-fc5.target
1270 lustre/kernel_patches/targets/2.6-patchless.target
1271 lustre/kernel_patches/targets/2.6-sles10.target
1272 lustre/kernel_patches/targets/hp_pnnl-2.4.target
1273 lustre/kernel_patches/targets/rh-2.4.target
1274 lustre/kernel_patches/targets/rhel-2.4.target
1275 lustre/kernel_patches/targets/suse-2.4.21-2.target
1276 lustre/kernel_patches/targets/sles-2.4.target
1277 lustre/ldiskfs/Makefile
1278 lustre/ldiskfs/autoMakefile
1279 lustre/ldlm/Makefile
1280 lustre/liblustre/Makefile
1281 lustre/liblustre/tests/Makefile
1282 lustre/llite/Makefile
1283 lustre/llite/autoMakefile
1285 lustre/lov/autoMakefile
1286 lustre/lvfs/Makefile
1287 lustre/lvfs/autoMakefile
1289 lustre/mdc/autoMakefile
1291 lustre/mds/autoMakefile
1292 lustre/obdclass/Makefile
1293 lustre/obdclass/autoMakefile
1294 lustre/obdclass/linux/Makefile
1295 lustre/obdecho/Makefile
1296 lustre/obdecho/autoMakefile
1297 lustre/obdfilter/Makefile
1298 lustre/obdfilter/autoMakefile
1300 lustre/osc/autoMakefile
1302 lustre/ost/autoMakefile
1304 lustre/mgc/autoMakefile
1306 lustre/mgs/autoMakefile
1307 lustre/ptlrpc/Makefile
1308 lustre/ptlrpc/autoMakefile
1309 lustre/quota/Makefile
1310 lustre/quota/autoMakefile
1311 lustre/scripts/Makefile
1312 lustre/scripts/version_tag.pl
1313 lustre/tests/Makefile
1314 lustre/utils/Makefile
1316 case $lb_target_os in
1318 AC_CONFIG_FILES([ lustre/obdclass/darwin/Makefile ])