lustre/autoconf/lustre-core.m4

   1 #* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
   2 #* vim:expandtab:shiftwidth=8:tabstop=8:
   3 #
   4 # LC_CONFIG_SRCDIR
   5 #
   6 # Wrapper for AC_CONFIG_SUBDIR
   7 #
   8 AC_DEFUN([LC_CONFIG_SRCDIR],
   9 [AC_CONFIG_SRCDIR([lustre/obdclass/obdo.c])
  10 ])
  11
  12 #
  13 # LC_PATH_DEFAULTS
  14 #
  15 # lustre specific paths
  16 #
  17 AC_DEFUN([LC_PATH_DEFAULTS],
  18 [# ptlrpc kernel build requires this
  19 LUSTRE="$PWD/lustre"
  20 AC_SUBST(LUSTRE)
  21
  22 # mount.lustre
  23 rootsbindir='/sbin'
  24 AC_SUBST(rootsbindir)
  25
  26 demodir='$(docdir)/demo'
  27 AC_SUBST(demodir)
  28
  29 pkgexampledir='${pkgdatadir}/examples'
  30 AC_SUBST(pkgexampledir)
  31 ])
  32
  33 #
  34 # LC_TARGET_SUPPORTED
  35 #
  36 # is the target os supported?
  37 #
  38 AC_DEFUN([LC_TARGET_SUPPORTED],
  39 [case $target_os in
  40         linux* | darwin*)
  41 $1
  42                 ;;
  43         *)
  44 $2
  45                 ;;
  46 esac
  47 ])
  48
  49 #
  50 # LC_CONFIG_EXT3
  51 #
  52 # that ext3 is enabled in the kernel
  53 #
  54 AC_DEFUN([LC_CONFIG_EXT3],
  55 [LB_LINUX_CONFIG([EXT3_FS],[],[
  56         LB_LINUX_CONFIG([EXT3_FS_MODULE],[],[$2])
  57 ])
  58 LB_LINUX_CONFIG([EXT3_FS_XATTR],[$1],[$3])
  59 ])
  60
  61 #
  62 # LC_FSHOOKS
  63 #
  64 # If we have (and can build) fshooks.h
  65 #
  66 AC_DEFUN([LC_FSHOOKS],
  67 [LB_CHECK_FILE([$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>
  71         ],[],[
  72                 AC_MSG_RESULT([yes])
  73         ],[
  74                 AC_MSG_RESULT([no])
  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.])
  78         ])
  79 $1
  80 ],[
  81 $2
  82 ])
  83 ])
  84
  85 #
  86 # LC_STRUCT_KIOBUF
  87 #
  88 # rh 2.4.18 has iobuf->dovary, but other kernels do not
  89 #
  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>
  94 ],[
  95         struct kiobuf iobuf;
  96         iobuf.dovary = 1;
  97 ],[
  98         AC_MSG_RESULT([yes])
  99         AC_DEFINE(HAVE_KIOBUF_DOVARY, 1, [struct kiobuf has a dovary field])
 100 ],[
 101         AC_MSG_RESULT([no])
 102 ])
 103 ])
 104
 105 #
 106 # LC_FUNC_COND_RESCHED
 107 #
 108 # cond_resched() was introduced in 2.4.20
 109 #
 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>
 114 ],[
 115         cond_resched();
 116 ],[
 117         AC_MSG_RESULT([yes])
 118         AC_DEFINE(HAVE_COND_RESCHED, 1, [cond_resched found])
 119 ],[
 120         AC_MSG_RESULT([no])
 121 ])
 122 ])
 123
 124 #
 125 # LC_FUNC_ZAP_PAGE_RANGE
 126 #
 127 # if zap_page_range() takes a vma arg
 128 #
 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])
 134         AC_MSG_RESULT([yes])
 135 else
 136         AC_MSG_RESULT([no])
 137 fi
 138 ])
 139
 140 #
 141 # LC_FUNC_PDE
 142 #
 143 # if proc_fs.h defines PDE()
 144 #
 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])
 150         AC_MSG_RESULT([yes])
 151 else
 152         AC_MSG_RESULT([no])
 153 fi
 154 ])
 155
 156 #
 157 # LC_FUNC_FILEMAP_FDATASYNC
 158 #
 159 # if filemap_fdatasync() exists
 160 #
 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>
 165 ],[
 166         int (*foo)(struct address_space *)= filemap_fdatawrite;
 167 ],[
 168         AC_MSG_RESULT([yes])
 169         AC_DEFINE(HAVE_FILEMAP_FDATAWRITE, 1, [filemap_fdatawrite() found])
 170 ],[
 171         AC_MSG_RESULT([no])
 172 ])
 173 ])
 174
 175 #
 176 # LC_FUNC_DIRECT_IO
 177 #
 178 # if direct_IO takes a struct file argument
 179 #
 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])
 185         AC_MSG_RESULT(yes)
 186 else
 187         AC_MSG_RESULT(no)
 188 fi
 189 ])
 190
 191 #
 192 # LC_HEADER_MM_INLINE
 193 #
 194 # RHEL kernels define page_count in mm_inline.h
 195 #
 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>
 200 ],[
 201         #ifndef page_count
 202         #error mm_inline.h does not define page_count
 203         #endif
 204 ],[
 205         AC_MSG_RESULT([yes])
 206         AC_DEFINE(HAVE_MM_INLINE, 1, [mm_inline found])
 207 ],[
 208         AC_MSG_RESULT([no])
 209 ])
 210 ])
 211
 212 #
 213 # LC_STRUCT_INODE
 214 #
 215 # if inode->i_alloc_sem exists
 216 #
 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>
 222 ],[
 223         #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,4,24))
 224         #error "down_read_trylock broken before 2.4.24"
 225         #endif
 226         struct inode i;
 227         return (char *)&i.i_alloc_sem - (char *)&i;
 228 ],[
 229         AC_MSG_RESULT([yes])
 230         AC_DEFINE(HAVE_I_ALLOC_SEM, 1, [struct inode has i_alloc_sem])
 231 ],[
 232         AC_MSG_RESULT([no])
 233 ])
 234 ])
 235
 236 #
 237 # LC_FUNC_REGISTER_CACHE
 238 #
 239 # if register_cache() is defined by kernel
 240 #
 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>
 246 ],[
 247         struct cache_definition cache;
 248 ],[
 249         AC_MSG_RESULT([yes])
 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])
 255                 AC_MSG_RESULT(yes)
 256         else
 257                 AC_MSG_RESULT(no)
 258         fi
 259 ],[
 260         AC_MSG_RESULT([no])
 261 ])
 262 ])
 263
 264 #
 265 # LC_FUNC_GRAB_CACHE_PAGE_NOWAIT_GFP
 266 #
 267 # check for our patched grab_cache_page_nowait_gfp() function
 268 #
 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()])
 275         AC_MSG_RESULT(yes)
 276 else
 277         AC_MSG_RESULT(no)
 278 fi
 279 ])
 280
 281 #
 282 # LC_FUNC_DEV_SET_RDONLY
 283 #
 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
 286 #
 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>
 291 ],[
 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.
 294         #endif
 295 ],[
 296         AC_MSG_RESULT([yes])
 297         AC_DEFINE(HAVE_DEV_SET_RDONLY, 1, [kernel has new dev_set_rdonly])
 298 ],[
 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.])
 301 ])
 302 ])
 303
 304 #
 305 # LC_CONFIG_BACKINGFS
 306 #
 307 # setup, check the backing filesystem
 308 #
 309 AC_DEFUN([LC_CONFIG_BACKINGFS],
 310 [
 311 BACKINGFS="ldiskfs"
 312
 313 if test x$with_ldiskfs = xno ; then
 314         BACKINGFS="ext3"
 315
 316         if test x$linux25$enable_server = xyesyes ; then
 317                 AC_MSG_ERROR([ldiskfs is required for 2.6-based servers.])
 318         fi
 319
 320         # --- Check that ext3 and ext3 xattr are enabled in the kernel
 321         LC_CONFIG_EXT3([],[
 322                 AC_MSG_ERROR([Lustre requires that ext3 is enabled in the kernel])
 323         ],[
 324                 AC_MSG_WARN([Lustre requires that extended attributes for ext3 are enabled in the kernel])
 325                 AC_MSG_WARN([This build may fail.])
 326         ])
 327 else
 328         # ldiskfs is enabled
 329         LB_DEFINE_LDISKFS_OPTIONS
 330 fi #ldiskfs
 331
 332 AC_MSG_CHECKING([which backing filesystem to use])
 333 AC_MSG_RESULT([$BACKINGFS])
 334 AC_SUBST(BACKINGFS)
 335 ])
 336
 337 #
 338 # LC_CONFIG_PINGER
 339 #
 340 # the pinger is temporary, until we have the recovery node in place
 341 #
 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)
 351 fi
 352 ])
 353
 354 #
 355 # LC_CONFIG_CHECKSUM
 356 #
 357 # do checksum of bulk data between client and OST
 358 #
 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)
 368 fi
 369 ])
 370
 371 #
 372 # LC_CONFIG_HEALTH_CHECK_WRITE
 373 #
 374 # Turn off the actual write to the disk
 375 #
 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)
 385 fi
 386 ])
 387
 388 #
 389 # LC_CONFIG_LIBLUSTRE_RECOVERY
 390 #
 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)
 400 fi
 401 ])
 402
 403 #
 404 # LC_CONFIG_OBD_BUFFER_SIZE
 405 #
 406 # the maximum buffer size of lctl ioctls
 407 #
 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)]),
 413         [
 414                 OBD_BUFFER_SIZE=$with_obd_buffer_size
 415         ],[
 416                 OBD_BUFFER_SIZE=8192
 417         ])
 418 AC_MSG_RESULT([$OBD_BUFFER_SIZE bytes])
 419 AC_DEFINE_UNQUOTED(OBD_MAX_IOCTL_BUFFER, $OBD_BUFFER_SIZE, [IOCTL Buffer Size])
 420 ])
 421
 422 #
 423 # LC_STRUCT_STATFS
 424 #
 425 # AIX does not have statfs.f_namelen
 426 #
 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>
 431 ],[
 432         struct statfs sfs;
 433         sfs.f_namelen = 1;
 434 ],[
 435         AC_MSG_RESULT([yes])
 436         AC_DEFINE(HAVE_STATFS_NAMELEN, 1, [struct statfs has a namelen field])
 437 ],[
 438         AC_MSG_RESULT([no])
 439 ])
 440 ])
 441
 442 #
 443 # LC_READLINK_SSIZE_T
 444 #
 445 AC_DEFUN([LC_READLINK_SSIZE_T],
 446 [AC_MSG_CHECKING([if readlink returns ssize_t])
 447 AC_TRY_COMPILE([
 448         #include <unistd.h>
 449 ],[
 450         ssize_t readlink(const char *, char *, size_t);
 451 ],[
 452         AC_MSG_RESULT([yes])
 453         AC_DEFINE(HAVE_POSIX_1003_READLINK, 1, [readlink returns ssize_t])
 454 ],[
 455         AC_MSG_RESULT([no])
 456 ])
 457 ])
 458
 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>
 463 ],[
 464         page_mapped(NULL);
 465 ],[
 466         AC_MSG_RESULT([yes])
 467         AC_DEFINE(HAVE_PAGE_MAPPED, 1, [page_mapped found])
 468 ],[
 469         AC_MSG_RESULT([no])
 470 ])
 471 ])
 472
 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>
 477 ],[
 478         struct file_operations fops;
 479         &fops.unlocked_ioctl;
 480 ],[
 481         AC_MSG_RESULT([yes])
 482         AC_DEFINE(HAVE_UNLOCKED_IOCTL, 1, [struct file_operations has an unlock ed_ioctl field])
 483 ],[
 484         AC_MSG_RESULT([no])
 485 ])
 486 ])
 487
 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>
 493 ],[
 494        filemap_populate(NULL, 0, 0, __pgprot(0), 0, 0);
 495 ],[
 496         AC_MSG_RESULT([yes])
 497         AC_DEFINE(HAVE_FILEMAP_POPULATE, 1, [Kernel exports filemap_populate])
 498 ],[
 499         AC_MSG_RESULT([no])
 500 ])
 501 ])
 502
 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>
 507 ],[
 508        d_add_unique(NULL, NULL);
 509 ],[
 510         AC_MSG_RESULT([yes])
 511         AC_DEFINE(HAVE_D_ADD_UNIQUE, 1, [Kernel has d_add_unique])
 512 ],[
 513         AC_MSG_RESULT([no])
 514 ])
 515 ])
 516
 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>
 524         ],[],[
 525                 AC_MSG_RESULT([yes])
 526                 AC_DEFINE(HAVE_BIT_SPINLOCK_H, 1, [Kernel has bit_spinlock.h])
 527         ],[
 528                 AC_MSG_RESULT([no])
 529         ])
 530 ],
 531 [])
 532 ])
 533
 534 #
 535 # LC_POSIX_ACL_XATTR
 536 #
 537 # If we have xattr_acl.h
 538 #
 539 AC_DEFUN([LC_XATTR_ACL],
 540 [LB_CHECK_FILE([$LINUX/include/linux/xattr_acl.h],[
 541         AC_MSG_CHECKING([if xattr_acl.h can be compiled])
 542         LB_LINUX_TRY_COMPILE([
 543                 #include <linux/xattr_acl.h>
 544         ],[],[
 545                 AC_MSG_RESULT([yes])
 546                 AC_DEFINE(HAVE_XATTR_ACL, 1, [Kernel has xattr_acl])
 547         ],[
 548                 AC_MSG_RESULT([no])
 549         ])
 550 ],
 551 [])
 552 ])
 553
 554 AC_DEFUN([LC_STRUCT_INTENT_FILE],
 555 [AC_MSG_CHECKING([if struct open_intent has a file field])
 556 LB_LINUX_TRY_COMPILE([
 557         #include <linux/fs.h>
 558         #include <linux/namei.h>
 559 ],[
 560         struct open_intent intent;
 561         &intent.file;
 562 ],[
 563         AC_MSG_RESULT([yes])
 564         AC_DEFINE(HAVE_FILE_IN_STRUCT_INTENT, 1, [struct open_intent has a file field])
 565 ],[
 566         AC_MSG_RESULT([no])
 567 ])
 568 ])
 569
 570
 571 AC_DEFUN([LC_POSIX_ACL_XATTR_H],
 572 [LB_CHECK_FILE([$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>
 576         ],[],[
 577                 AC_MSG_RESULT([yes])
 578                 AC_DEFINE(HAVE_LINUX_POSIX_ACL_XATTR_H, 1, [linux/posix_acl_xattr.h found])
 579
 580         ],[
 581                 AC_MSG_RESULT([no])
 582         ])
 583 $1
 584 ],[
 585 AC_MSG_RESULT([no])
 586 ])
 587 ])
 588
 589 #
 590 # LC_EXPORT___IGET
 591 # starting from 2.6.19 linux kernel exports __iget()
 592 #
 593 AC_DEFUN([LC_EXPORT___IGET],
 594 [LB_CHECK_SYMBOL_EXPORT([__iget],
 595 [fs/inode.c],[
 596         AC_DEFINE(HAVE_EXPORT___IGET, 1, [kernel exports __iget])
 597 ],[
 598 ])
 599 ])
 600
 601
 602 AC_DEFUN([LC_LUSTRE_VERSION_H],
 603 [LB_CHECK_FILE([$LINUX/include/linux/lustre_version.h],[
 604         rm -f "$LUSTRE/include/linux/lustre_version.h"
 605 ],[
 606         touch "$LUSTRE/include/linux/lustre_version.h"
 607         if test x$enable_server = xyes ; then
 608                 AC_MSG_WARN([Unpatched kernel detected.])
 609                 AC_MSG_WARN([Lustre servers cannot be built with an unpatched kernel;])
 610                 AC_MSG_WARN([disabling server build])
 611                 enable_server='no'
 612         fi
 613 ])
 614 ])
 615
 616 AC_DEFUN([LC_FUNC_SET_FS_PWD],
 617 [LB_CHECK_SYMBOL_EXPORT([set_fs_pwd],
 618 [fs/namespace.c],[
 619         AC_DEFINE(HAVE_SET_FS_PWD, 1, [set_fs_pwd is exported])
 620 ],[
 621 ])
 622 ])
 623
 624 #
 625 # LC_CAPA_CRYPTO
 626 #
 627 AC_DEFUN([LC_CAPA_CRYPTO],
 628 [LB_LINUX_CONFIG_IM([CRYPTO],[],[
 629         AC_MSG_ERROR([Lustre capability require that CONFIG_CRYPTO is enabled in your kernel.])
 630 ])
 631 LB_LINUX_CONFIG_IM([CRYPTO_HMAC],[],[
 632         AC_MSG_ERROR([Lustre capability require that CONFIG_CRYPTO_HMAC is enabled in your kernel.])
 633 ])
 634 LB_LINUX_CONFIG_IM([CRYPTO_SHA1],[],[
 635         AC_MSG_ERROR([Lustre capability require that CONFIG_CRYPTO_SHA1 is enabled in your kernel.])
 636 ])
 637 ])
 638
 639 #
 640 # LC_CONFIG_GSS_KEYRING (default enabled, if gss is enabled)
 641 #
 642 AC_DEFUN([LC_CONFIG_GSS_KEYRING],
 643 [AC_MSG_CHECKING([whether to enable gss keyring backend])
 644  AC_ARG_ENABLE([gss_keyring],
 645                [AC_HELP_STRING([--disable-gss-keyring],
 646                                [disable gss keyring backend])],
 647                [],[enable_gss_keyring='yes'])
 648  AC_MSG_RESULT([$enable_gss_keyring])
 649
 650  if test x$enable_gss_keyring != xno; then
 651         LB_LINUX_CONFIG_IM([KEYS],[],
 652                            [AC_MSG_ERROR([GSS keyring backend require that CONFIG_KEYS be enabled in your kernel.])])
 653
 654         AC_CHECK_LIB([keyutils], [keyctl_search], [],
 655                      [AC_MSG_ERROR([libkeyutils is not found, which is required by gss keyring backend])],)
 656
 657         AC_DEFINE([HAVE_GSS_KEYRING], [1],
 658                   [Define this if you enable gss keyring backend])
 659  fi
 660 ])
 661
 662 m4_pattern_allow(AC_KERBEROS_V5)
 663
 664 #
 665 # LC_CONFIG_GSS (default disabled)
 666 #
 667 # Build gss and related tools of Lustre. Currently both kernel and user space
 668 # parts are depend on linux platform.
 669 #
 670 AC_DEFUN([LC_CONFIG_GSS],
 671 [AC_MSG_CHECKING([whether to enable gss/krb5 support])
 672  AC_ARG_ENABLE([gss],
 673                [AC_HELP_STRING([--enable-gss], [enable gss/krb5 support])],
 674                [],[enable_gss='no'])
 675  AC_MSG_RESULT([$enable_gss])
 676
 677  if test x$enable_gss == xyes; then
 678         LC_CONFIG_GSS_KEYRING
 679
 680         LB_LINUX_CONFIG_IM([CRYPTO_DES],[],
 681                            [AC_MSG_WARN([kernel DES support is recommended by using GSS.])])
 682         LB_LINUX_CONFIG_IM([CRYPTO_MD5],[],
 683                            [AC_MSG_WARN([kernel MD5 support is recommended by using GSS.])])
 684         LB_LINUX_CONFIG_IM([CRYPTO_SHA256],[],
 685                            [AC_MSG_WARN([kernel SHA256 support is recommended by using GSS.])])
 686         LB_LINUX_CONFIG_IM([CRYPTO_SHA512],[],
 687                            [AC_MSG_WARN([kernel SHA512 support is recommended by using GSS.])])
 688         LB_LINUX_CONFIG_IM([CRYPTO_ARC4],[],
 689                            [AC_MSG_WARN([kernel ARC4 support is recommended by using GSS.])])
 690
 691         dnl FIXME
 692         dnl the AES symbol usually tied with arch, e.g. CRYPTO_AES_586
 693         dnl FIXME
 694         LB_LINUX_CONFIG_IM([CRYPTO_AES],[],
 695                            [AC_MSG_WARN([kernel AES support is recommended by using GSS.])])
 696
 697         AC_CHECK_LIB([gssapi], [gss_init_sec_context],
 698                      [GSSAPI_LIBS="$GSSAPI_LDFLAGS -lgssapi"],
 699                      [AC_MSG_ERROR([libgssapi is not found, which is required by GSS.])],)
 700
 701         AC_SUBST(GSSAPI_LIBS)
 702
 703         AC_KERBEROS_V5
 704  fi
 705 ])
 706
 707 # LC_FUNC_MS_FLOCK_LOCK
 708 #
 709 # SLES9 kernel has MS_FLOCK_LOCK sb flag
 710 #
 711 AC_DEFUN([LC_FUNC_MS_FLOCK_LOCK],
 712 [AC_MSG_CHECKING([if kernel has MS_FLOCK_LOCK sb flag])
 713 LB_LINUX_TRY_COMPILE([
 714         #include <linux/fs.h>
 715 ],[
 716         int flags = MS_FLOCK_LOCK;
 717 ],[
 718         AC_DEFINE(HAVE_MS_FLOCK_LOCK, 1,
 719                 [kernel has MS_FLOCK_LOCK flag])
 720         AC_MSG_RESULT([yes])
 721 ],[
 722         AC_MSG_RESULT([no])
 723 ])
 724 ])
 725
 726 #
 727 # LC_FUNC_HAVE_CAN_SLEEP_ARG
 728 #
 729 # SLES9 kernel has third arg can_sleep
 730 # in fs/locks.c: flock_lock_file_wait()
 731 #
 732 AC_DEFUN([LC_FUNC_HAVE_CAN_SLEEP_ARG],
 733 [AC_MSG_CHECKING([if kernel has third arg can_sleep in fs/locks.c: flock_lock_file_wait()])
 734 LB_LINUX_TRY_COMPILE([
 735         #include <linux/fs.h>
 736 ],[
 737         int cansleep;
 738         struct file *file;
 739         struct file_lock *file_lock;
 740         flock_lock_file_wait(file, file_lock, cansleep);
 741 ],[
 742         AC_DEFINE(HAVE_CAN_SLEEP_ARG, 1,
 743                 [kernel has third arg can_sleep in fs/locks.c: flock_lock_file_wait()])
 744         AC_MSG_RESULT([yes])
 745 ],[
 746         AC_MSG_RESULT([no])
 747 ])
 748 ])
 749
 750 #
 751 # LC_FUNC_F_OP_FLOCK
 752 #
 753 # rhel4.2 kernel has f_op->flock field
 754 #
 755 AC_DEFUN([LC_FUNC_F_OP_FLOCK],
 756 [AC_MSG_CHECKING([if struct file_operations has flock field])
 757 LB_LINUX_TRY_COMPILE([
 758         #include <linux/fs.h>
 759 ],[
 760         struct file_operations ll_file_operations_flock;
 761         ll_file_operations_flock.flock = NULL;
 762 ],[
 763         AC_DEFINE(HAVE_F_OP_FLOCK, 1,
 764                 [struct file_operations has flock field])
 765         AC_MSG_RESULT([yes])
 766 ],[
 767         AC_MSG_RESULT([no])
 768 ])
 769 ])
 770
 771 #
 772 # LC_TASK_PPTR
 773 #
 774 # task struct has p_pptr instead of parent
 775 #
 776 AC_DEFUN([LC_TASK_PPTR],
 777 [AC_MSG_CHECKING([task p_pptr found])
 778 LB_LINUX_TRY_COMPILE([
 779         #include <linux/sched.h>
 780 ],[
 781         struct task_struct *p;
 782
 783         p = p->p_pptr;
 784 ],[
 785         AC_MSG_RESULT([yes])
 786         AC_DEFINE(HAVE_TASK_PPTR, 1, [task p_pptr found])
 787 ],[
 788         AC_MSG_RESULT([no])
 789 ])
 790 ])
 791
 792 #
 793 # LC_FUNC_F_OP_FLOCK
 794 #
 795 # rhel4.2 kernel has f_op->flock field
 796 #
 797 AC_DEFUN([LC_FUNC_F_OP_FLOCK],
 798 [AC_MSG_CHECKING([if struct file_operations has flock field])
 799 LB_LINUX_TRY_COMPILE([
 800         #include <linux/fs.h>
 801 ],[
 802         struct file_operations ll_file_operations_flock;
 803         ll_file_operations_flock.flock = NULL;
 804 ],[
 805         AC_DEFINE(HAVE_F_OP_FLOCK, 1,
 806                 [struct file_operations has flock field])
 807         AC_MSG_RESULT([yes])
 808 ],[
 809         AC_MSG_RESULT([no])
 810 ])
 811 ])
 812
 813 # LC_INODE_I_MUTEX
 814 # after 2.6.15 inode have i_mutex intead of i_sem
 815 AC_DEFUN([LC_INODE_I_MUTEX],
 816 [AC_MSG_CHECKING([use inode have i_mutex ])
 817 LB_LINUX_TRY_COMPILE([
 818         #include <linux/mutex.h>
 819         #include <linux/fs.h>
 820 ],[
 821         struct inode i;
 822
 823         mutex_unlock(&i.i_mutex);
 824 ],[
 825         AC_MSG_RESULT(yes)
 826         AC_DEFINE(HAVE_INODE_I_MUTEX, 1,
 827                 [after 2.6.15 inode have i_mutex intead of i_sem])
 828 ],[
 829         AC_MSG_RESULT(NO)
 830 ])
 831 ])
 832
 833 # LC_SYMVERFILE
 834 # SLES 9 uses a different name for this file - unsure about vanilla kernels
 835 # around this version, but it matters for servers only.
 836 AC_DEFUN([LC_SYMVERFILE],
 837          [AC_MSG_CHECKING([name of symverfile])
 838           if grep -q Modules.symvers $LINUX/scripts/Makefile.modpost ; then
 839               SYMVERFILE=Modules.symvers
 840           else
 841               SYMVERFILE=Module.symvers
 842           fi
 843           AC_MSG_RESULT($SYMVERFILE)
 844           AC_SUBST(SYMVERFILE)])
 845
 846 # LC_DQUOTOFF_MUTEX
 847 # after 2.6.17 dquote use mutex instead if semaphore
 848 AC_DEFUN([LC_DQUOTOFF_MUTEX],
 849 [AC_MSG_CHECKING([use dqonoff_mutex])
 850 LB_LINUX_TRY_COMPILE([
 851         #include <linux/mutex.h>
 852         #include <linux/fs.h>
 853         #include <linux/quota.h>
 854 ],[
 855         struct quota_info dq;
 856
 857         mutex_unlock(&dq.dqonoff_mutex);
 858 ],[
 859         AC_MSG_RESULT(yes)
 860         AC_DEFINE(HAVE_DQUOTOFF_MUTEX, 1,
 861                 [after 2.6.17 dquote use mutex instead if semaphore])
 862 ],[
 863         AC_MSG_RESULT(NO)
 864 ])
 865 ])
 866
 867 #
 868 # LC_STATFS_DENTRY_PARAM
 869 # starting from 2.6.18 linux kernel uses dentry instead of
 870 # super_block for first vfs_statfs argument
 871 #
 872 AC_DEFUN([LC_STATFS_DENTRY_PARAM],
 873 [AC_MSG_CHECKING([first vfs_statfs parameter is dentry])
 874 LB_LINUX_TRY_COMPILE([
 875         #include <linux/fs.h>
 876 ],[
 877         int vfs_statfs(struct dentry *, struct kstatfs *);
 878 ],[
 879         AC_DEFINE(HAVE_STATFS_DENTRY_PARAM, 1,
 880                 [first parameter of vfs_statfs is dentry])
 881         AC_MSG_RESULT([yes])
 882 ],[
 883         AC_MSG_RESULT([no])
 884 ])
 885 ])
 886
 887 #
 888 # LC_VFS_KERN_MOUNT
 889 # starting from 2.6.18 kernel don't export do_kern_mount
 890 # and want to use vfs_kern_mount instead.
 891 #
 892 AC_DEFUN([LC_VFS_KERN_MOUNT],
 893 [AC_MSG_CHECKING([vfs_kern_mount exist in kernel])
 894 LB_LINUX_TRY_COMPILE([
 895         #include <linux/mount.h>
 896 ],[
 897         vfs_kern_mount(NULL, 0, NULL, NULL);
 898 ],[
 899         AC_DEFINE(HAVE_VFS_KERN_MOUNT, 1,
 900                 [vfs_kern_mount exist in kernel])
 901         AC_MSG_RESULT([yes])
 902 ],[
 903         AC_MSG_RESULT([no])
 904 ])
 905 ])
 906
 907 #
 908 # LC_INVALIDATEPAGE_RETURN_INT
 909 # more 2.6 api changes.  return type for the invalidatepage
 910 # address_space_operation is 'void' in new kernels but 'int' in old
 911 #
 912 AC_DEFUN([LC_INVALIDATEPAGE_RETURN_INT],
 913 [AC_MSG_CHECKING([invalidatepage has return int])
 914 LB_LINUX_TRY_COMPILE([
 915         #include <linux/buffer_head.h>
 916 ],[
 917         int rc = block_invalidatepage(NULL, 0);
 918 ],[
 919         AC_MSG_RESULT(yes)
 920         AC_DEFINE(HAVE_INVALIDATEPAGE_RETURN_INT, 1,
 921                 [Define if return type of invalidatepage should be int])
 922 ],[
 923         AC_MSG_RESULT(NO)
 924 ])
 925 ])
 926
 927 # LC_UMOUNTBEGIN_HAS_VFSMOUNT
 928 # more 2.6 API changes. 2.6.18 umount_begin has different parameters
 929 AC_DEFUN([LC_UMOUNTBEGIN_HAS_VFSMOUNT],
 930 [AC_MSG_CHECKING([if umount_begin needs vfsmount parameter instead of super_block])
 931 tmp_flags="$EXTRA_KCFLAGS"
 932 EXTRA_KCFLAGS="-Werror"
 933 LB_LINUX_TRY_COMPILE([
 934         #include <linux/fs.h>
 935
 936         struct vfsmount;
 937         static void cfg_umount_begin (struct vfsmount *v, int flags)
 938         {
 939                 ;
 940         }
 941
 942         static struct super_operations cfg_super_operations = {
 943                 .umount_begin   = cfg_umount_begin,
 944         };
 945 ],[
 946         cfg_super_operations.umount_begin(NULL,0);
 947 ],[
 948         AC_MSG_RESULT(yes)
 949         AC_DEFINE(HAVE_UMOUNTBEGIN_VFSMOUNT, 1,
 950                 [Define umount_begin need second argument])
 951 ],[
 952         AC_MSG_RESULT(NO)
 953 ])
 954 EXTRA_KCFLAGS="$tmp_flags"
 955 ])
 956
 957 # 2.6.19 API changes
 958 # inode don't have i_blksize field
 959 AC_DEFUN([LC_INODE_BLKSIZE],
 960 [AC_MSG_CHECKING([inode has i_blksize field])
 961 LB_LINUX_TRY_COMPILE([
 962 #include <linux/fs.h>
 963 ],[
 964         struct inode i;
 965         i.i_blksize = 0;
 966 ],[
 967         AC_MSG_RESULT(yes)
 968         AC_DEFINE(HAVE_INODE_BLKSIZE, 1,
 969                 [struct inode has i_blksize field])
 970 ],[
 971         AC_MSG_RESULT(NO)
 972 ])
 973 ])
 974
 975 # LC_VFS_READDIR_U64_INO
 976 # 2.6.19 use u64 for inode number instead of inode_t
 977 AC_DEFUN([LC_VFS_READDIR_U64_INO],
 978 [AC_MSG_CHECKING([check vfs_readdir need 64bit inode number])
 979 tmp_flags="$EXTRA_KCFLAGS"
 980 EXTRA_KCFLAGS="-Werror"
 981 LB_LINUX_TRY_COMPILE([
 982 #include <linux/fs.h>
 983         int fillonedir(void * __buf, const char * name, int namlen, loff_t offset,
 984                       u64 ino, unsigned int d_type)
 985         {
 986                 return 0;
 987         }
 988 ],[
 989         filldir_t filter;
 990
 991         filter = fillonedir;
 992         return 1;
 993 ],[
 994         AC_MSG_RESULT(yes)
 995         AC_DEFINE(HAVE_VFS_READDIR_U64_INO, 1,
 996                 [if vfs_readdir need 64bit inode number])
 997 ],[
 998         AC_MSG_RESULT(NO)
 999 ])
1000 EXTRA_KCFLAGS="$tmp_flags"
1001 ])
1002
1003 # LC_GENERIC_FILE_WRITE
1004 # 2.6.19 introduce do_sync_write instead of
1005 # generic_file_write
1006 AC_DEFUN([LC_GENERIC_FILE_WRITE],
1007 [AC_MSG_CHECKING([use generic_file_write])
1008 LB_LINUX_TRY_COMPILE([
1009         #include <linux/fs.h>
1010 ],[
1011         int result = generic_file_read(NULL, NULL, 0, 0);
1012 ],[
1013         AC_MSG_RESULT(yes)
1014         AC_DEFINE(HAVE_GENERIC_FILE_WRITE, 1,
1015                 [use generic_file_write])
1016 ],[
1017         AC_MSG_RESULT(NO)
1018 ])
1019 ])
1020
1021 # LC_GENERIC_FILE_READ
1022 # 2.6.19 need to use do_sync_read instead of
1023 # generic_file_read
1024 AC_DEFUN([LC_GENERIC_FILE_READ],
1025 [AC_MSG_CHECKING([use generic_file_read])
1026 LB_LINUX_TRY_COMPILE([
1027         #include <linux/fs.h>
1028 ],[
1029         int result = generic_file_read(NULL, NULL, 0, 0);
1030 ],[
1031         AC_MSG_RESULT(yes)
1032         AC_DEFINE(HAVE_GENERIC_FILE_READ, 1,
1033                 [use generic_file_read])
1034 ],[
1035         AC_MSG_RESULT(NO)
1036 ])
1037 ])
1038
1039 # LC_NR_PAGECACHE
1040 # 2.6.18 don't export nr_pagecahe
1041 AC_DEFUN([LC_NR_PAGECACHE],
1042 [AC_MSG_CHECKING([kernel export nr_pagecache])
1043 LB_LINUX_TRY_COMPILE([
1044         #include <linux/pagemap.h>
1045 ],[
1046         return atomic_read(&nr_pagecache);
1047 ],[
1048         AC_MSG_RESULT(yes)
1049         AC_DEFINE(HAVE_NR_PAGECACHE, 1,
1050                 [is kernel export nr_pagecache])
1051 ],[
1052         AC_MSG_RESULT(NO)
1053 ])
1054 ])
1055
1056 # LC_CANCEL_DIRTY_PAGE
1057 # 2.6.20 introduse cancel_dirty_page instead of
1058 # clear_page_dirty.
1059 AC_DEFUN([LC_CANCEL_DIRTY_PAGE],
1060 [AC_MSG_CHECKING([kernel has cancel_dirty_page])
1061 LB_LINUX_TRY_COMPILE([
1062         #include <linux/page-flags.h>
1063 ],[
1064         cancel_dirty_page(NULL, 0);
1065 ],[
1066         AC_MSG_RESULT(yes)
1067         AC_DEFINE(HAVE_CANCEL_DIRTY_PAGE, 1,
1068                   [kernel has cancel_dirty_page instead of clear_page_dirty])
1069 ],[
1070         AC_MSG_RESULT(NO)
1071 ])
1072 ])
1073
1074 #
1075 # LC_PAGE_CONSTANT
1076 #
1077 # In order to support raid5 zerocopy patch, we have to patch the kernel to make
1078 # it support constant page, which means the page won't be modified during the
1079 # IO.
1080 #
1081 AC_DEFUN([LC_PAGE_CONSTANT],
1082 [AC_MSG_CHECKING([if kernel have PageConstant defined])
1083 LB_LINUX_TRY_COMPILE([
1084         #include <linux/page-flags.h>
1085 ],[
1086         #ifndef PG_constant
1087         #error "Have no raid5 zcopy patch"
1088         #endif
1089 ],[
1090         AC_MSG_RESULT(yes)
1091         AC_DEFINE(HAVE_PAGE_CONSTANT, 1, [kernel have PageConstant supported])
1092 ],[
1093         AC_MSG_RESULT(no);
1094 ])
1095 ])
1096
1097 # RHEL5 in FS-cache patch rename PG_checked flag
1098 # into PG_fs_misc
1099 AC_DEFUN([LC_PG_FS_MISC],
1100 [AC_MSG_CHECKING([kernel has PG_fs_misc])
1101 LB_LINUX_TRY_COMPILE([
1102         #include <linux/page-flags.h>
1103 ],[
1104         #ifndef PG_fs_misc
1105         #error PG_fs_misc not defined in kernel
1106         #endif
1107 ],[
1108         AC_MSG_RESULT(yes)
1109         AC_DEFINE(HAVE_PG_FS_MISC, 1,
1110                   [is kernel have PG_fs_misc])
1111 ],[
1112         AC_MSG_RESULT(NO)
1113 ])
1114 ])
1115
1116 AC_DEFUN([LC_EXPORT_TRUNCATE_COMPLETE],
1117 [LB_CHECK_SYMBOL_EXPORT([truncate_complete_page],
1118 [mm/truncate.c],[
1119 AC_DEFINE(HAVE_TRUNCATE_COMPLETE_PAGE, 1,
1120             [kernel export truncate_complete_page])
1121 ],[
1122 ])
1123 ])
1124
1125 AC_DEFUN([LC_EXPORT_D_REHASH_COND],
1126 [LB_CHECK_SYMBOL_EXPORT([d_rehash_cond],
1127 [fs/dcache.c],[
1128 AC_DEFINE(HAVE_D_REHASH_COND, 1,
1129             [d_rehash_cond is exported by the kernel])
1130 ],[
1131 ])
1132 ])
1133
1134 AC_DEFUN([LC_EXPORT___D_REHASH],
1135 [LB_CHECK_SYMBOL_EXPORT([__d_rehash],
1136 [fs/dcache.c],[
1137 AC_DEFINE(HAVE___D_REHASH, 1,
1138             [__d_rehash is exported by the kernel])
1139 ],[
1140 ])
1141 ])
1142
1143 # The actual symbol exported varies among architectures, so we need
1144 # to check many symbols (but only in the current architecture.)  No
1145 # matter what symbol is exported, the kernel #defines node_to_cpumask
1146 # to the appropriate function and that's what we use.
1147 AC_DEFUN([LC_EXPORT_NODE_TO_CPUMASK],
1148          [LB_LINUX_ARCH
1149           LB_CHECK_SYMBOL_EXPORT([node_to_cpumask],
1150                                  [arch/$LINUX_ARCH/mm/numa.c],
1151                                  [AC_DEFINE(HAVE_NODE_TO_CPUMASK, 1,
1152                                             [node_to_cpumask is exported by
1153                                              the kernel])]) # x86_64
1154           LB_CHECK_SYMBOL_EXPORT([node_to_cpu_mask],
1155                                  [arch/$LINUX_ARCH/kernel/smpboot.c],
1156                                  [AC_DEFINE(HAVE_NODE_TO_CPUMASK, 1,
1157                                             [node_to_cpumask is exported by
1158                                              the kernel])]) # ia64
1159           LB_CHECK_SYMBOL_EXPORT([node_2_cpu_mask],
1160                                  [arch/$LINUX_ARCH/kernel/smpboot.c],
1161                                  [AC_DEFINE(HAVE_NODE_TO_CPUMASK, 1,
1162                                             [node_to_cpumask is exported by
1163                                              the kernel])]) # i386
1164           ])
1165
1166 # 2.6.22 lost second parameter for invalidate_bdev
1167 AC_DEFUN([LC_INVALIDATE_BDEV_2ARG],
1168 [AC_MSG_CHECKING([if invalidate_bdev has second argument])
1169 LB_LINUX_TRY_COMPILE([
1170         #include <linux/buffer_head.h>
1171 ],[
1172         invalidate_bdev(NULL,0);
1173 ],[
1174         AC_MSG_RESULT([yes])
1175         AC_DEFINE(HAVE_INVALIDATE_BDEV_2ARG, 1,
1176                 [invalidate_bdev has second argument])
1177 ],[
1178         AC_MSG_RESULT([no])
1179 ])
1180 ])
1181
1182 # 2.6.23 have return type 'void' for unregister_blkdev
1183 AC_DEFUN([LC_UNREGISTER_BLKDEV_RETURN_INT],
1184 [AC_MSG_CHECKING([if unregister_blkdev return int])
1185 LB_LINUX_TRY_COMPILE([
1186         #include <linux/fs.h>
1187 ],[
1188         int i = unregister_blkdev(0,NULL);
1189 ],[
1190         AC_MSG_RESULT([yes])
1191         AC_DEFINE(HAVE_UNREGISTER_BLKDEV_RETURN_INT, 1,
1192                 [unregister_blkdev return int])
1193 ],[
1194         AC_MSG_RESULT([no])
1195 ])
1196 ])
1197
1198 # 2.6.23 change .sendfile to .splice_read
1199 AC_DEFUN([LC_KERNEL_SPLICE_READ],
1200 [AC_MSG_CHECKING([if kernel has .splice_read])
1201 LB_LINUX_TRY_COMPILE([
1202         #include <linux/fs.h>
1203 ],[
1204         struct file_operations file;
1205
1206         file.splice_read = NULL;
1207 ], [
1208         AC_MSG_RESULT([yes])
1209         AC_DEFINE(HAVE_KERNEL_SPLICE_READ, 1,
1210                 [kernel has .slice_read])
1211 ],[
1212         AC_MSG_RESULT([no])
1213 ])
1214 ])
1215
1216 # 2.6.23 extract nfs export related data into exportfs.h
1217 AC_DEFUN([LC_HAVE_EXPORTFS_H],
1218 [
1219 tmpfl="$CFLAGS"
1220 CFLAGS="$CFLAGS -I$LINUX_OBJ/include"
1221 AC_CHECK_HEADERS([linux/exportfs.h])
1222 CFLAGS="$tmpfl"
1223 ])
1224
1225 #
1226 # LC_VFS_INTENT_PATCHES
1227 #
1228 # check if the kernel has the VFS intent patches
1229 AC_DEFUN([LC_VFS_INTENT_PATCHES],
1230 [AC_MSG_CHECKING([if the kernel has the VFS intent patches])
1231 LB_LINUX_TRY_COMPILE([
1232         #include <linux/fs.h>
1233         #include <linux/namei.h>
1234 ],[
1235         struct nameidata nd;
1236         struct lookup_intent *it;
1237
1238         it = &nd.intent;
1239         intent_init(it, IT_OPEN);
1240         it->d.lustre.it_disposition = 0;
1241         it->d.lustre.it_data = NULL;
1242 ],[
1243         AC_MSG_RESULT([yes])
1244         AC_DEFINE(HAVE_VFS_INTENT_PATCHES, 1, [VFS intent patches are applied])
1245 ],[
1246         AC_MSG_RESULT([no])
1247 ])
1248 ])
1249
1250 AC_DEFUN([LC_S_TIME_GRAN],
1251 [AC_MSG_CHECKING([if super block has s_time_gran member])
1252 LB_LINUX_TRY_COMPILE([
1253         #include <linux/fs.h>
1254 ],[
1255         struct super_block sb;
1256
1257         return sb.s_time_gran;
1258 ],[
1259         AC_MSG_RESULT([yes])
1260         AC_DEFINE(HAVE_S_TIME_GRAN, 1, [super block has s_time_gran member])
1261 ],[
1262         AC_MSG_RESULT([no])
1263 ])
1264 ])
1265
1266 AC_DEFUN([LC_SB_TIME_GRAN],
1267 [AC_MSG_CHECKING([if kernel has old get_sb_time_gran])
1268 LB_LINUX_TRY_COMPILE([
1269         #include <linux/fs.h>
1270 ],[
1271         return get_sb_time_gran(NULL);
1272 ],[
1273         AC_MSG_RESULT([yes])
1274         AC_DEFINE(HAVE_SB_TIME_GRAN, 1, [kernel has old get_sb_time_gran])
1275 ],[
1276         AC_MSG_RESULT([no])
1277 ])
1278 ])
1279
1280
1281 # ~2.6.12 merge patch from oracle to convert tree_lock from spinlock to rwlock
1282 AC_DEFUN([LC_RW_TREE_LOCK],
1283 [AC_MSG_CHECKING([if kernel has tree_lock as rwlock])
1284 tmp_flags="$EXTRA_KCFLAGS"
1285 EXTRA_KCFLAGS="-Werror"
1286 LB_LINUX_TRY_COMPILE([
1287         #include <linux/fs.h>
1288 ],[
1289         struct address_space a;
1290
1291         write_lock(&a.tree_lock);
1292 ],[
1293         AC_MSG_RESULT([yes])
1294         AC_DEFINE(HAVE_RW_TREE_LOCK, 1, [kernel has tree_lock as rw_lock])
1295 ],[
1296         AC_MSG_RESULT([no])
1297 ])
1298 EXTRA_KCFLAGS="$tmp_flags"
1299 ])
1300
1301 AC_DEFUN([LC_CONST_ACL_SIZE],
1302 [AC_MSG_CHECKING([calc acl size])
1303 tmp_flags="$CFLAGS"
1304 CFLAGS="$CFLAGS -I $LINUX/include $EXTRA_KCFLAGS"
1305 AC_TRY_RUN([
1306 #include <linux/autoconf.h>
1307 #include <linux/types.h>
1308 // block include
1309 #define __LINUX_POSIX_ACL_H
1310
1311 # ifdef CONFIG_FS_POSIX_ACL
1312 #  ifdef HAVE_XATTR_ACL
1313 #   include <linux/xattr_acl.h>
1314 #  endif
1315 #  ifdef HAVE_LINUX_POSIX_ACL_XATTR_H
1316 #   include <linux/posix_acl_xattr.h>
1317 #  endif
1318 # endif
1319
1320 #include <linux/lustre_acl.h>
1321
1322 #include <stdio.h>
1323
1324 int main(void)
1325 {
1326     int size = mds_xattr_acl_size(LUSTRE_POSIX_ACL_MAX_ENTRIES);
1327     FILE *f = fopen("acl.size","w+");
1328     fprintf(f,"%d", size);
1329     fclose(f);
1330
1331     return 0;
1332 }
1333
1334 ],[
1335         acl_size=`cat acl.size`
1336         AC_MSG_RESULT([ACL size $acl_size])
1337         AC_DEFINE_UNQUOTED(XATTR_ACL_SIZE, AS_TR_SH([$acl_size]), [size of xattr acl])
1338 ],[
1339         AC_ERROR([ACL size can't computed])
1340 ])
1341 CFLAGS="$tmp_flags"
1342 ])
1343
1344
1345 #
1346 # LC_PROG_LINUX
1347 #
1348 # Lustre linux kernel checks
1349 #
1350 AC_DEFUN([LC_PROG_LINUX],
1351          [LC_LUSTRE_VERSION_H
1352          if test x$enable_server = xyes ; then
1353              LC_CONFIG_BACKINGFS
1354          fi
1355          LC_CONFIG_PINGER
1356          LC_CONFIG_CHECKSUM
1357          LC_CONFIG_LIBLUSTRE_RECOVERY
1358          LC_CONFIG_QUOTA
1359          LC_CONFIG_HEALTH_CHECK_WRITE
1360          LC_CONFIG_LRU_RESIZE
1361
1362          LC_TASK_PPTR
1363          # RHEL4 patches
1364          LC_EXPORT_TRUNCATE_COMPLETE
1365          LC_EXPORT_D_REHASH_COND
1366          LC_EXPORT___D_REHASH
1367          LC_EXPORT_NODE_TO_CPUMASK
1368
1369          LC_STRUCT_KIOBUF
1370          LC_FUNC_COND_RESCHED
1371          LC_FUNC_ZAP_PAGE_RANGE
1372          LC_FUNC_PDE
1373          LC_FUNC_DIRECT_IO
1374          LC_HEADER_MM_INLINE
1375          LC_STRUCT_INODE
1376          LC_FUNC_REGISTER_CACHE
1377          LC_FUNC_GRAB_CACHE_PAGE_NOWAIT_GFP
1378          LC_FUNC_DEV_SET_RDONLY
1379          LC_FUNC_FILEMAP_FDATAWRITE
1380          LC_STRUCT_STATFS
1381          LC_FUNC_PAGE_MAPPED
1382          LC_STRUCT_FILE_OPS_UNLOCKED_IOCTL
1383          LC_FILEMAP_POPULATE
1384          LC_D_ADD_UNIQUE
1385          LC_BIT_SPINLOCK_H
1386
1387          LC_XATTR_ACL
1388          LC_POSIX_ACL_XATTR_H
1389          LC_CONST_ACL_SIZE
1390
1391          LC_STRUCT_INTENT_FILE
1392
1393          LC_FUNC_SET_FS_PWD
1394          LC_CAPA_CRYPTO
1395          LC_CONFIG_GSS
1396          LC_FUNC_MS_FLOCK_LOCK
1397          LC_FUNC_HAVE_CAN_SLEEP_ARG
1398          LC_FUNC_F_OP_FLOCK
1399          LC_QUOTA_READ
1400          LC_COOKIE_FOLLOW_LINK
1401          LC_FUNC_RCU
1402
1403          # does the kernel have VFS intent patches?
1404          LC_VFS_INTENT_PATCHES
1405
1406          # ~2.6.11
1407          LC_S_TIME_GRAN
1408          LC_SB_TIME_GRAN
1409
1410          # 2.6.12
1411          LC_RW_TREE_LOCK
1412
1413          # 2.6.15
1414          LC_INODE_I_MUTEX
1415
1416          # SLES 10 (at least)
1417          LC_SYMVERFILE
1418
1419          # 2.6.17
1420          LC_DQUOTOFF_MUTEX
1421
1422          # 2.6.18
1423          LC_NR_PAGECACHE
1424          LC_STATFS_DENTRY_PARAM
1425          LC_VFS_KERN_MOUNT
1426          LC_INVALIDATEPAGE_RETURN_INT
1427          LC_UMOUNTBEGIN_HAS_VFSMOUNT
1428
1429          #2.6.18 + RHEL5 (fc6)
1430          LC_PG_FS_MISC
1431
1432          # 2.6.19
1433          LC_INODE_BLKSIZE
1434          LC_VFS_READDIR_U64_INO
1435          LC_GENERIC_FILE_READ
1436          LC_GENERIC_FILE_WRITE
1437
1438          # 2.6.20
1439          LC_CANCEL_DIRTY_PAGE
1440
1441          # raid5-zerocopy patch
1442          LC_PAGE_CONSTANT
1443
1444          # 2.6.22
1445          LC_INVALIDATE_BDEV_2ARG
1446          # 2.6.23
1447          LC_UNREGISTER_BLKDEV_RETURN_INT
1448          LC_KERNEL_SPLICE_READ
1449          LC_HAVE_EXPORTFS_H
1450 ])
1451
1452 #
1453 # LC_CONFIG_CLIENT_SERVER
1454 #
1455 # Build client/server sides of Lustre
1456 #
1457 AC_DEFUN([LC_CONFIG_CLIENT_SERVER],
1458 [AC_MSG_CHECKING([whether to build Lustre server support])
1459 AC_ARG_ENABLE([server],
1460         AC_HELP_STRING([--disable-server],
1461                         [disable Lustre server support]),
1462         [],[enable_server='yes'])
1463 AC_MSG_RESULT([$enable_server])
1464
1465 AC_MSG_CHECKING([whether to build Lustre client support])
1466 AC_ARG_ENABLE([client],
1467         AC_HELP_STRING([--disable-client],
1468                         [disable Lustre client support]),
1469         [],[enable_client='yes'])
1470 AC_MSG_RESULT([$enable_client])])
1471
1472 #
1473 # LC_CONFIG_LIBLUSTRE
1474 #
1475 # whether to build liblustre
1476 #
1477 AC_DEFUN([LC_CONFIG_LIBLUSTRE],
1478 [AC_MSG_CHECKING([whether to build Lustre library])
1479 AC_ARG_ENABLE([liblustre],
1480         AC_HELP_STRING([--disable-liblustre],
1481                         [disable building of Lustre library]),
1482         [],[enable_liblustre=$with_sysio])
1483 AC_MSG_RESULT([$enable_liblustre])
1484 # only build sysio if liblustre is built
1485 with_sysio="$enable_liblustre"
1486
1487 AC_MSG_CHECKING([whether to build liblustre tests])
1488 AC_ARG_ENABLE([liblustre-tests],
1489         AC_HELP_STRING([--enable-liblustre-tests],
1490                         [enable liblustre tests, if --disable-tests is used]),
1491         [],[enable_liblustre_tests=$enable_tests])
1492 if test x$enable_liblustre != xyes ; then
1493    enable_liblustre_tests='no'
1494 fi
1495 AC_MSG_RESULT([$enable_liblustre_tests])
1496
1497 AC_MSG_CHECKING([whether to build mpitests])
1498 AC_ARG_ENABLE([mpitests],
1499         AC_HELP_STRING([--enable-mpitests],
1500                         [build liblustre mpi tests]),
1501         [],[enable_mpitests=no])
1502 AC_MSG_RESULT([$enable_mpitests])
1503
1504 AC_MSG_NOTICE([Enabling Lustre configure options for libsysio])
1505 ac_configure_args="$ac_configure_args --with-lustre-hack --with-sockets"
1506
1507 LC_CONFIG_PINGER
1508 LC_CONFIG_LIBLUSTRE_RECOVERY
1509 ])
1510
1511 AC_DEFUN([LC_CONFIG_LRU_RESIZE],
1512 [AC_MSG_CHECKING([whether to enable lru self-adjusting])
1513 AC_ARG_ENABLE([lru_resize],
1514         AC_HELP_STRING([--enable-lru-resize],
1515                         [enable lru resize support]),
1516         [],[enable_lru_resize='yes'])
1517 AC_MSG_RESULT([$enable_lru_resize])
1518 if test x$enable_lru_resize != xno; then
1519    AC_DEFINE(HAVE_LRU_RESIZE_SUPPORT, 1, [Enable lru resize support])
1520 fi
1521 ])
1522
1523 #
1524 # LC_CONFIG_QUOTA
1525 #
1526 # whether to enable quota support
1527 #
1528 AC_DEFUN([LC_CONFIG_QUOTA],
1529 [AC_MSG_CHECKING([whether to disable quota support])
1530 AC_ARG_ENABLE([quota],
1531         AC_HELP_STRING([--disable-quota],
1532                         [disable quota support]),
1533         [],[enable_quota='yes'])
1534 AC_MSG_RESULT([$enable_quota])
1535 if test x$linux25 != xyes; then
1536    enable_quota='no'
1537 fi
1538 if test x$enable_quota != xno; then
1539    AC_DEFINE(HAVE_QUOTA_SUPPORT, 1, [Enable quota support])
1540 fi
1541 ])
1542
1543 #
1544 # LC_CONFIG_SPLIT
1545 #
1546 # whether to enable split support
1547 #
1548 AC_DEFUN([LC_CONFIG_SPLIT],
1549 [AC_MSG_CHECKING([whether to enable split support])
1550 AC_ARG_ENABLE([split],
1551         AC_HELP_STRING([--enable-split],
1552                         [enable split support]),
1553         [],[enable_split='no'])
1554 AC_MSG_RESULT([$enable_split])
1555 if test x$enable_split != xno; then
1556    AC_DEFINE(HAVE_SPLIT_SUPPORT, 1, [enable split support])
1557 fi
1558 ])
1559
1560 AC_DEFUN([LC_QUOTA_READ],
1561 [AC_MSG_CHECKING([if kernel supports quota_read])
1562 LB_LINUX_TRY_COMPILE([
1563         #include <linux/fs.h>
1564 ],[
1565         struct super_operations sp;
1566         void *i = (void *)sp.quota_read;
1567 ],[
1568         AC_MSG_RESULT([yes])
1569         AC_DEFINE(KERNEL_SUPPORTS_QUOTA_READ, 1, [quota_read found])
1570 ],[
1571         AC_MSG_RESULT([no])
1572 ])
1573 ])
1574
1575 #
1576 # LC_COOKIE_FOLLOW_LINK
1577 #
1578 # kernel 2.6.13+ ->follow_link returns a cookie
1579 #
1580
1581 AC_DEFUN([LC_COOKIE_FOLLOW_LINK],
1582 [AC_MSG_CHECKING([if inode_operations->follow_link returns a cookie])
1583 LB_LINUX_TRY_COMPILE([
1584         #include <linux/fs.h>
1585         #include <linux/namei.h>
1586 ],[
1587         struct dentry dentry;
1588         struct nameidata nd;
1589
1590         dentry.d_inode->i_op->put_link(&dentry, &nd, NULL);
1591 ],[
1592         AC_DEFINE(HAVE_COOKIE_FOLLOW_LINK, 1, [inode_operations->follow_link returns a cookie])
1593         AC_MSG_RESULT([yes])
1594 ],[
1595         AC_MSG_RESULT([no])
1596 ])
1597 ])
1598
1599 #
1600 # LC_FUNC_RCU
1601 #
1602 # kernels prior than 2.6.0(?) have no RCU supported; in kernel 2.6.5(SUSE),
1603 # call_rcu takes three parameters.
1604 #
1605 AC_DEFUN([LC_FUNC_RCU],
1606 [AC_MSG_CHECKING([if kernel have RCU supported])
1607 LB_LINUX_TRY_COMPILE([
1608         #include <linux/rcupdate.h>
1609 ],[],[
1610         AC_DEFINE(HAVE_RCU, 1, [have RCU defined])
1611         AC_MSG_RESULT([yes])
1612
1613         AC_MSG_CHECKING([if call_rcu takes three parameters])
1614         LB_LINUX_TRY_COMPILE([
1615                 #include <linux/rcupdate.h>
1616         ],[
1617                 struct rcu_head rh;
1618                 call_rcu(&rh, (void (*)(struct rcu_head *))1, NULL);
1619         ],[
1620                 AC_DEFINE(HAVE_CALL_RCU_PARAM, 1, [call_rcu takes three parameters])
1621                 AC_MSG_RESULT([yes])
1622         ],[
1623                 AC_MSG_RESULT([no])
1624         ])
1625 ],[
1626         AC_MSG_RESULT([no])
1627 ])
1628 ])
1629
1630 #
1631 # LC_CONFIGURE
1632 #
1633 # other configure checks
1634 #
1635 AC_DEFUN([LC_CONFIGURE],
1636 [LC_CONFIG_OBD_BUFFER_SIZE
1637
1638 # include/liblustre.h
1639 AC_CHECK_HEADERS([asm/page.h sys/user.h sys/vfs.h stdint.h blkid/blkid.h])
1640
1641 # include/lustre/lustre_user.h
1642 # See note there re: __ASM_X86_64_PROCESSOR_H
1643 AC_CHECK_HEADERS([linux/fs.h linux/quota.h])
1644
1645 # liblustre/llite_lib.h
1646 AC_CHECK_HEADERS([xtio.h file.h])
1647
1648 # liblustre/dir.c
1649 AC_CHECK_HEADERS([linux/types.h sys/types.h linux/unistd.h unistd.h])
1650
1651 # liblustre/lutil.c
1652 AC_CHECK_HEADERS([netinet/in.h arpa/inet.h catamount/data.h])
1653 AC_CHECK_FUNCS([inet_ntoa])
1654
1655 # libsysio/src/readlink.c
1656 LC_READLINK_SSIZE_T
1657
1658 # utils/llverfs.c
1659 AC_CHECK_HEADERS([ext2fs/ext2fs.h])
1660
1661 # Super safe df
1662 AC_ARG_ENABLE([mindf],
1663       AC_HELP_STRING([--enable-mindf],
1664                       [Make statfs report the minimum available space on any single OST instead of the sum of free space on all OSTs]),
1665       [],[])
1666 if test "$enable_mindf" = "yes" ;  then
1667       AC_DEFINE([MIN_DF], 1, [Report minimum OST free space])
1668 fi
1669
1670 AC_ARG_ENABLE([fail_alloc],
1671         AC_HELP_STRING([--disable-fail-alloc],
1672                 [disable randomly alloc failure]),
1673         [],[enable_fail_alloc=yes])
1674 AC_MSG_CHECKING([whether to randomly failing memory alloc])
1675 AC_MSG_RESULT([$enable_fail_alloc])
1676 if test x$enable_fail_alloc != xno ; then
1677         AC_DEFINE([RANDOM_FAIL_ALLOC], 1, [enable randomly alloc failure])
1678 fi
1679
1680 ])
1681
1682 #
1683 # LC_CONDITIONALS
1684 #
1685 # AM_CONDITIONALS for lustre
1686 #
1687 AC_DEFUN([LC_CONDITIONALS],
1688 [AM_CONDITIONAL(LIBLUSTRE, test x$enable_liblustre = xyes)
1689 AM_CONDITIONAL(USE_QUILT, test x$QUILT != xno)
1690 AM_CONDITIONAL(LIBLUSTRE_TESTS, test x$enable_liblustre_tests = xyes)
1691 AM_CONDITIONAL(MPITESTS, test x$enable_mpitests = xyes, Build MPI Tests)
1692 AM_CONDITIONAL(CLIENT, test x$enable_client = xyes)
1693 AM_CONDITIONAL(SERVER, test x$enable_server = xyes)
1694 AM_CONDITIONAL(QUOTA, test x$enable_quota = xyes)
1695 AM_CONDITIONAL(SPLIT, test x$enable_split = xyes)
1696 AM_CONDITIONAL(BLKID, test x$ac_cv_header_blkid_blkid_h = xyes)
1697 AM_CONDITIONAL(EXT2FS_DEVEL, test x$ac_cv_header_ext2fs_ext2fs_h = xyes)
1698 AM_CONDITIONAL(GSS, test x$enable_gss = xyes)
1699 AM_CONDITIONAL(GSS_KEYRING, test x$enable_gss_keyring = xyes)
1700 AM_CONDITIONAL(GSS_PIPEFS, test x$enable_gss_pipefs = xyes)
1701 AM_CONDITIONAL(LIBPTHREAD, test x$enable_libpthread = xyes)
1702 ])
1703
1704 #
1705 # LC_CONFIG_FILES
1706 #
1707 # files that should be generated with AC_OUTPUT
1708 #
1709 AC_DEFUN([LC_CONFIG_FILES],
1710 [AC_CONFIG_FILES([
1711 lustre/Makefile
1712 lustre/autoMakefile
1713 lustre/autoconf/Makefile
1714 lustre/contrib/Makefile
1715 lustre/doc/Makefile
1716 lustre/include/Makefile
1717 lustre/include/lustre_ver.h
1718 lustre/include/linux/Makefile
1719 lustre/include/lustre/Makefile
1720 lustre/kernel_patches/targets/2.6-suse.target
1721 lustre/kernel_patches/targets/2.6-vanilla.target
1722 lustre/kernel_patches/targets/2.6-rhel4.target
1723 lustre/kernel_patches/targets/2.6-rhel5.target
1724 lustre/kernel_patches/targets/2.6-fc5.target
1725 lustre/kernel_patches/targets/2.6-patchless.target
1726 lustre/kernel_patches/targets/2.6-sles10.target
1727 lustre/ldlm/Makefile
1728 lustre/fid/Makefile
1729 lustre/fid/autoMakefile
1730 lustre/liblustre/Makefile
1731 lustre/liblustre/tests/Makefile
1732 lustre/llite/Makefile
1733 lustre/llite/autoMakefile
1734 lustre/lov/Makefile
1735 lustre/lov/autoMakefile
1736 lustre/lvfs/Makefile
1737 lustre/lvfs/autoMakefile
1738 lustre/mdc/Makefile
1739 lustre/mdc/autoMakefile
1740 lustre/lmv/Makefile
1741 lustre/lmv/autoMakefile
1742 lustre/mds/Makefile
1743 lustre/mds/autoMakefile
1744 lustre/mdt/Makefile
1745 lustre/mdt/autoMakefile
1746 lustre/cmm/Makefile
1747 lustre/cmm/autoMakefile
1748 lustre/mdd/Makefile
1749 lustre/mdd/autoMakefile
1750 lustre/fld/Makefile
1751 lustre/fld/autoMakefile
1752 lustre/obdclass/Makefile
1753 lustre/obdclass/autoMakefile
1754 lustre/obdclass/linux/Makefile
1755 lustre/obdecho/Makefile
1756 lustre/obdecho/autoMakefile
1757 lustre/obdfilter/Makefile
1758 lustre/obdfilter/autoMakefile
1759 lustre/osc/Makefile
1760 lustre/osc/autoMakefile
1761 lustre/ost/Makefile
1762 lustre/ost/autoMakefile
1763 lustre/osd/Makefile
1764 lustre/osd/autoMakefile
1765 lustre/mgc/Makefile
1766 lustre/mgc/autoMakefile
1767 lustre/mgs/Makefile
1768 lustre/mgs/autoMakefile
1769 lustre/ptlrpc/Makefile
1770 lustre/ptlrpc/autoMakefile
1771 lustre/ptlrpc/gss/Makefile
1772 lustre/ptlrpc/gss/autoMakefile
1773 lustre/quota/Makefile
1774 lustre/quota/autoMakefile
1775 lustre/scripts/Makefile
1776 lustre/scripts/version_tag.pl
1777 lustre/tests/Makefile
1778 lustre/utils/Makefile
1779 lustre/utils/gss/Makefile
1780 ])
1781 case $lb_target_os in
1782         darwin)
1783                 AC_CONFIG_FILES([ lustre/obdclass/darwin/Makefile ])
1784                 ;;
1785 esac
1786
1787 ])