lustre/autoconf/lustre-core.m4

   1 #* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
   2 #
   3 # LC_CONFIG_SRCDIR
   4 #
   5 # Wrapper for AC_CONFIG_SUBDIR
   6 #
   7 AC_DEFUN([LC_CONFIG_SRCDIR],
   8 [AC_CONFIG_SRCDIR([lustre/obdclass/obdo.c])
   9 ])
  10
  11 #
  12 # LC_PATH_DEFAULTS
  13 #
  14 # lustre specific paths
  15 #
  16 AC_DEFUN([LC_PATH_DEFAULTS],
  17 [# ptlrpc kernel build requires this
  18 LUSTRE="$PWD/lustre"
  19 AC_SUBST(LUSTRE)
  20
  21 # mount.lustre
  22 rootsbindir='/sbin'
  23 AC_SUBST(rootsbindir)
  24
  25 demodir='$(docdir)/demo'
  26 AC_SUBST(demodir)
  27
  28 pkgexampledir='${pkgdatadir}/examples'
  29 AC_SUBST(pkgexampledir)
  30 ])
  31
  32 #
  33 # LC_TARGET_SUPPORTED
  34 #
  35 # is the target os supported?
  36 #
  37 AC_DEFUN([LC_TARGET_SUPPORTED],
  38 [case $target_os in
  39         linux* | darwin*)
  40 $1
  41                 ;;
  42         *)
  43 $2
  44                 ;;
  45 esac
  46 ])
  47
  48 #
  49 # LC_CONFIG_EXT3
  50 #
  51 # that ext3 is enabled in the kernel
  52 #
  53 AC_DEFUN([LC_CONFIG_EXT3],
  54 [LB_LINUX_CONFIG([EXT3_FS],[],[
  55         LB_LINUX_CONFIG([EXT3_FS_MODULE],[],[$2])
  56 ])
  57 LB_LINUX_CONFIG([EXT3_FS_XATTR],[$1],[$3])
  58 ])
  59
  60 #
  61 # LC_FSHOOKS
  62 #
  63 # If we have (and can build) fshooks.h
  64 #
  65 AC_DEFUN([LC_FSHOOKS],
  66 [LB_CHECK_FILE([$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>
  70         ],[],[
  71                 AC_MSG_RESULT([yes])
  72         ],[
  73                 AC_MSG_RESULT([no])
  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.])
  77         ])
  78 $1
  79 ],[
  80 $2
  81 ])
  82 ])
  83
  84 #
  85 # LC_STRUCT_KIOBUF
  86 #
  87 # rh 2.4.18 has iobuf->dovary, but other kernels do not
  88 #
  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>
  93 ],[
  94         struct kiobuf iobuf;
  95         iobuf.dovary = 1;
  96 ],[
  97         AC_MSG_RESULT([yes])
  98         AC_DEFINE(HAVE_KIOBUF_DOVARY, 1, [struct kiobuf has a dovary field])
  99 ],[
 100         AC_MSG_RESULT([no])
 101 ])
 102 ])
 103
 104 #
 105 # LC_FUNC_COND_RESCHED
 106 #
 107 # cond_resched() was introduced in 2.4.20
 108 #
 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>
 113 ],[
 114         cond_resched();
 115 ],[
 116         AC_MSG_RESULT([yes])
 117         AC_DEFINE(HAVE_COND_RESCHED, 1, [cond_resched found])
 118 ],[
 119         AC_MSG_RESULT([no])
 120 ])
 121 ])
 122
 123 #
 124 # LC_FUNC_ZAP_PAGE_RANGE
 125 #
 126 # if zap_page_range() takes a vma arg
 127 #
 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])
 133         AC_MSG_RESULT([yes])
 134 else
 135         AC_MSG_RESULT([no])
 136 fi
 137 ])
 138
 139 #
 140 # LC_FUNC_PDE
 141 #
 142 # if proc_fs.h defines PDE()
 143 #
 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])
 149         AC_MSG_RESULT([yes])
 150 else
 151         AC_MSG_RESULT([no])
 152 fi
 153 ])
 154
 155 #
 156 # LC_FUNC_FILEMAP_FDATASYNC
 157 #
 158 # if filemap_fdatasync() exists
 159 #
 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>
 164 ],[
 165         int (*foo)(struct address_space *)= filemap_fdatawrite;
 166 ],[
 167         AC_MSG_RESULT([yes])
 168         AC_DEFINE(HAVE_FILEMAP_FDATAWRITE, 1, [filemap_fdatawrite() found])
 169 ],[
 170         AC_MSG_RESULT([no])
 171 ])
 172 ])
 173
 174 #
 175 # LC_FUNC_DIRECT_IO
 176 #
 177 # if direct_IO takes a struct file argument
 178 #
 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])
 184         AC_MSG_RESULT(yes)
 185 else
 186         AC_MSG_RESULT(no)
 187 fi
 188 ])
 189
 190 #
 191 # LC_HEADER_MM_INLINE
 192 #
 193 # RHEL kernels define page_count in mm_inline.h
 194 #
 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>
 199 ],[
 200         #ifndef page_count
 201         #error mm_inline.h does not define page_count
 202         #endif
 203 ],[
 204         AC_MSG_RESULT([yes])
 205         AC_DEFINE(HAVE_MM_INLINE, 1, [mm_inline found])
 206 ],[
 207         AC_MSG_RESULT([no])
 208 ])
 209 ])
 210
 211 #
 212 # LC_STRUCT_INODE
 213 #
 214 # if inode->i_alloc_sem exists
 215 #
 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>
 221 ],[
 222         #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,4,24))
 223         #error "down_read_trylock broken before 2.4.24"
 224         #endif
 225         struct inode i;
 226         return (char *)&i.i_alloc_sem - (char *)&i;
 227 ],[
 228         AC_MSG_RESULT([yes])
 229         AC_DEFINE(HAVE_I_ALLOC_SEM, 1, [struct inode has i_alloc_sem])
 230 ],[
 231         AC_MSG_RESULT([no])
 232 ])
 233 ])
 234
 235 #
 236 # LC_FUNC_REGISTER_CACHE
 237 #
 238 # if register_cache() is defined by kernel
 239 #
 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>
 245 ],[
 246         struct cache_definition cache;
 247 ],[
 248         AC_MSG_RESULT([yes])
 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])
 254                 AC_MSG_RESULT(yes)
 255         else
 256                 AC_MSG_RESULT(no)
 257         fi
 258 ],[
 259         AC_MSG_RESULT([no])
 260 ])
 261 ])
 262
 263 #
 264 # LC_FUNC_GRAB_CACHE_PAGE_NOWAIT_GFP
 265 #
 266 # check for our patched grab_cache_page_nowait_gfp() function
 267 #
 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()])
 274         AC_MSG_RESULT(yes)
 275 else
 276         AC_MSG_RESULT(no)
 277 fi
 278 ])
 279
 280 #
 281 # LC_FUNC_DEV_SET_RDONLY
 282 #
 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
 285 #
 286 AC_DEFUN([LC_FUNC_DEV_SET_RDONLY],
 287 [AC_MSG_CHECKING([if kernel has old single-device dev_set_rdonly])
 288 HAVE_OLD_DSR="`grep -c -s 'dev_set_rdonly.*no_write' $LINUX/drivers/block/ll_rw_blk.c`"
 289 if test x$HAVE_OLD_DSR != "x1" ; then
 290         HAVE_OLD_DSR="`grep -c -s 'dev_set_rdonly.*no_write' $LINUX/drivers/block/blkpg.c`"
 291 fi
 292 if test x$HAVE_OLD_DSR = "x1" ; then
 293         AC_DEFINE(HAVE_OLD_DEV_SET_RDONLY, 1,
 294                 [kernel has old single-device dev_set_rdonly])
 295         AC_MSG_RESULT(yes)
 296 else
 297         AC_MSG_RESULT(no)
 298 fi
 299 ])
 300
 301 #
 302 # LC_CONFIG_BACKINGFS
 303 #
 304 # whether to use ldiskfs instead of ext3
 305 #
 306 AC_DEFUN([LC_CONFIG_BACKINGFS],
 307 [
 308 BACKINGFS='ext3'
 309
 310 # 2.6 gets ldiskfs
 311 AC_MSG_CHECKING([whether to enable ldiskfs])
 312 AC_ARG_ENABLE([ldiskfs],
 313         AC_HELP_STRING([--enable-ldiskfs],
 314                         [use ldiskfs for the Lustre backing FS]),
 315         [],[enable_ldiskfs="$linux25"])
 316 AC_MSG_RESULT([$enable_ldiskfs])
 317
 318 if test x$enable_ldiskfs = xyes ; then
 319         BACKINGFS="ldiskfs"
 320
 321         AC_MSG_CHECKING([whether to enable quilt for making ldiskfs])
 322         AC_ARG_ENABLE([quilt],
 323                         AC_HELP_STRING([--disable-quilt],[disable use of quilt for ldiskfs]),
 324                         [],[enable_quilt='yes'])
 325         AC_MSG_RESULT([$enable_quilt])
 326
 327         AC_PATH_PROG(PATCH, patch, [no])
 328
 329         if test x$enable_quilt = xno ; then
 330             QUILT="no"
 331         else
 332             AC_PATH_PROG(QUILT, quilt, [no])
 333         fi
 334
 335         if test x$enable_ldiskfs$PATCH$QUILT = xyesnono ; then
 336                 AC_MSG_ERROR([Quilt or patch are needed to build the ldiskfs module (for Linux 2.6)])
 337         fi
 338
 339         AC_DEFINE(CONFIG_LDISKFS_FS_MODULE, 1, [build ldiskfs as a module])
 340         AC_DEFINE(CONFIG_LDISKFS_FS_XATTR, 1, [enable extended attributes for ldiskfs])
 341         AC_DEFINE(CONFIG_LDISKFS_FS_POSIX_ACL, 1, [enable posix acls])
 342         AC_DEFINE(CONFIG_LDISKFS_FS_SECURITY, 1, [enable fs security])
 343 fi
 344
 345 AC_MSG_CHECKING([which backing filesystem to use])
 346 AC_MSG_RESULT([$BACKINGFS])
 347 AC_SUBST(BACKINGFS)
 348
 349 case $BACKINGFS in
 350         ext3)
 351                 # --- Check that ext3 and ext3 xattr are enabled in the kernel
 352                 LC_CONFIG_EXT3([],[
 353                         AC_MSG_ERROR([Lustre requires that ext3 is enabled in the kernel])
 354                 ],[
 355                         AC_MSG_WARN([Lustre requires that extended attributes for ext3 are enabled in the kernel])
 356                         AC_MSG_WARN([This build may fail.])
 357                 ])
 358                 ;;
 359         ldiskfs)
 360                 AC_MSG_CHECKING([which ldiskfs series to use])
 361                 case $LINUXRELEASE in
 362                 2.6.5*) LDISKFS_SERIES="2.6-suse.series" ;;
 363                 2.6.9*) LDISKFS_SERIES="2.6-rhel4.series" ;;
 364                 2.6.10-ac*) LDISKFS_SERIES="2.6-fc3.series" ;;
 365                 2.6.10*) LDISKFS_SERIES="2.6-rhel4.series" ;;
 366                 2.6.12*) LDISKFS_SERIES="2.6.12-vanilla.series" ;;
 367                 2.6.15*) LDISKFS_SERIES="2.6-fc5.series";;
 368                 2.6.16*) LDISKFS_SERIES="2.6-sles10.series";;
 369                 2.6.18*) LDISKFS_SERIES="2.6.18-vanilla.series";;
 370                 *) AC_MSG_WARN([Unknown kernel version $LINUXRELEASE, fix lustre/autoconf/lustre-core.m4])
 371                 esac
 372                 AC_MSG_RESULT([$LDISKFS_SERIES])
 373                 AC_SUBST(LDISKFS_SERIES)
 374                 ;;
 375 esac # $BACKINGFS
 376 ])
 377
 378 #
 379 # LC_CONFIG_PINGER
 380 #
 381 # the pinger is temporary, until we have the recovery node in place
 382 #
 383 AC_DEFUN([LC_CONFIG_PINGER],
 384 [AC_MSG_CHECKING([whether to enable pinger support])
 385 AC_ARG_ENABLE([pinger],
 386         AC_HELP_STRING([--disable-pinger],
 387                         [disable recovery pinger support]),
 388         [],[enable_pinger='yes'])
 389 AC_MSG_RESULT([$enable_pinger])
 390 if test x$enable_pinger != xno ; then
 391   AC_DEFINE(ENABLE_PINGER, 1, Use the Pinger)
 392 fi
 393 ])
 394
 395 #
 396 # LC_CONFIG_LIBLUSTRE_RECOVERY
 397 #
 398 AC_DEFUN([LC_CONFIG_LIBLUSTRE_RECOVERY],
 399 [AC_MSG_CHECKING([whether to enable liblustre recovery support])
 400 AC_ARG_ENABLE([liblustre-recovery],
 401         AC_HELP_STRING([--disable-liblustre-recovery],
 402                         [disable liblustre recovery support]),
 403         [],[enable_liblustre_recovery='yes'])
 404 AC_MSG_RESULT([$enable_liblustre_recovery])
 405 if test x$enable_liblustre_recovery != xno ; then
 406   AC_DEFINE(ENABLE_LIBLUSTRE_RECOVERY, 1, Liblustre Can Recover)
 407 fi
 408 ])
 409
 410 #
 411 # LC_CONFIG_OBD_BUFFER_SIZE
 412 #
 413 # the maximum buffer size of lctl ioctls
 414 #
 415 AC_DEFUN([LC_CONFIG_OBD_BUFFER_SIZE],
 416 [AC_MSG_CHECKING([maximum OBD ioctl size])
 417 AC_ARG_WITH([obd-buffer-size],
 418         AC_HELP_STRING([--with-obd-buffer-size=[size]],
 419                         [set lctl ioctl maximum bytes (default=8192)]),
 420         [
 421                 OBD_BUFFER_SIZE=$with_obd_buffer_size
 422         ],[
 423                 OBD_BUFFER_SIZE=8192
 424         ])
 425 AC_MSG_RESULT([$OBD_BUFFER_SIZE bytes])
 426 AC_DEFINE_UNQUOTED(OBD_MAX_IOCTL_BUFFER, $OBD_BUFFER_SIZE, [IOCTL Buffer Size])
 427 ])
 428
 429 #
 430 # LC_STRUCT_STATFS
 431 #
 432 # AIX does not have statfs.f_namelen
 433 #
 434 AC_DEFUN([LC_STRUCT_STATFS],
 435 [AC_MSG_CHECKING([if struct statfs has a f_namelen field])
 436 LB_LINUX_TRY_COMPILE([
 437         #include <linux/vfs.h>
 438 ],[
 439         struct statfs sfs;
 440         sfs.f_namelen = 1;
 441 ],[
 442         AC_MSG_RESULT([yes])
 443         AC_DEFINE(HAVE_STATFS_NAMELEN, 1, [struct statfs has a namelen field])
 444 ],[
 445         AC_MSG_RESULT([no])
 446 ])
 447 ])
 448
 449 AC_DEFUN([LC_FUNC_PAGE_MAPPED],
 450 [AC_MSG_CHECKING([if kernel offers page_mapped])
 451 LB_LINUX_TRY_COMPILE([
 452         #include <linux/mm.h>
 453 ],[
 454         page_mapped(NULL);
 455 ],[
 456         AC_MSG_RESULT([yes])
 457         AC_DEFINE(HAVE_PAGE_MAPPED, 1, [page_mapped found])
 458 ],[
 459         AC_MSG_RESULT([no])
 460 ])
 461 ])
 462
 463 AC_DEFUN([LC_STRUCT_FILE_OPS_UNLOCKED_IOCTL],
 464 [AC_MSG_CHECKING([if struct file_operations has an unlocked_ioctl field])
 465 LB_LINUX_TRY_COMPILE([
 466         #include <linux/fs.h>
 467 ],[
 468         struct file_operations fops;
 469         &fops.unlocked_ioctl;
 470 ],[
 471         AC_MSG_RESULT([yes])
 472         AC_DEFINE(HAVE_UNLOCKED_IOCTL, 1, [struct file_operations has an unlock ed_ioctl field])
 473 ],[
 474         AC_MSG_RESULT([no])
 475 ])
 476 ])
 477
 478 AC_DEFUN([LC_FILEMAP_POPULATE],
 479 [AC_MSG_CHECKING([for exported filemap_populate])
 480 LB_LINUX_TRY_COMPILE([
 481         #include <asm/page.h>
 482         #include <linux/mm.h>
 483 ],[
 484        filemap_populate(NULL, 0, 0, __pgprot(0), 0, 0);
 485 ],[
 486         AC_MSG_RESULT([yes])
 487         AC_DEFINE(HAVE_FILEMAP_POPULATE, 1, [Kernel exports filemap_populate])
 488 ],[
 489         AC_MSG_RESULT([no])
 490 ])
 491 ])
 492
 493 AC_DEFUN([LC_D_ADD_UNIQUE],
 494 [AC_MSG_CHECKING([for d_add_unique])
 495 LB_LINUX_TRY_COMPILE([
 496         #include <linux/dcache.h>
 497 ],[
 498        d_add_unique(NULL, NULL);
 499 ],[
 500         AC_MSG_RESULT([yes])
 501         AC_DEFINE(HAVE_D_ADD_UNIQUE, 1, [Kernel has d_add_unique])
 502 ],[
 503         AC_MSG_RESULT([no])
 504 ])
 505 ])
 506
 507 AC_DEFUN([LC_BIT_SPINLOCK_H],
 508 [LB_CHECK_FILE([$LINUX/include/linux/bit_spinlock.h],[
 509         AC_MSG_CHECKING([if bit_spinlock.h can be compiled])
 510         LB_LINUX_TRY_COMPILE([
 511                 #include <asm/processor.h>
 512                 #include <linux/spinlock.h>
 513                 #include <linux/bit_spinlock.h>
 514         ],[],[
 515                 AC_MSG_RESULT([yes])
 516                 AC_DEFINE(HAVE_BIT_SPINLOCK_H, 1, [Kernel has bit_spinlock.h])
 517         ],[
 518                 AC_MSG_RESULT([no])
 519         ])
 520 ],
 521 [])
 522 ])
 523
 524 #
 525 # LC_POSIX_ACL_XATTR
 526 #
 527 # If we have xattr_acl.h
 528 #
 529 AC_DEFUN([LC_XATTR_ACL],
 530 [LB_CHECK_FILE([$LINUX/include/linux/xattr_acl.h],[
 531         AC_MSG_CHECKING([if xattr_acl.h can be compiled])
 532         LB_LINUX_TRY_COMPILE([
 533                 #include <linux/xattr_acl.h>
 534         ],[],[
 535                 AC_MSG_RESULT([yes])
 536                 AC_DEFINE(HAVE_XATTR_ACL, 1, [Kernel has xattr_acl])
 537         ],[
 538                 AC_MSG_RESULT([no])
 539         ])
 540 ],
 541 [])
 542 ])
 543
 544 AC_DEFUN([LC_STRUCT_INTENT_FILE],
 545 [AC_MSG_CHECKING([if struct open_intent has a file field])
 546 LB_LINUX_TRY_COMPILE([
 547         #include <linux/fs.h>
 548         #include <linux/namei.h>
 549 ],[
 550         struct open_intent intent;
 551         &intent.file;
 552 ],[
 553         AC_MSG_RESULT([yes])
 554         AC_DEFINE(HAVE_FILE_IN_STRUCT_INTENT, 1, [struct open_intent has a file field])
 555 ],[
 556         AC_MSG_RESULT([no])
 557 ])
 558 ])
 559
 560
 561 AC_DEFUN([LC_POSIX_ACL_XATTR_H],
 562 [LB_CHECK_FILE([$LINUX/include/linux/posix_acl_xattr.h],[
 563         AC_MSG_CHECKING([if linux/posix_acl_xattr.h can be compiled])
 564         LB_LINUX_TRY_COMPILE([
 565                 #include <linux/posix_acl_xattr.h>
 566         ],[],[
 567                 AC_MSG_RESULT([yes])
 568                 AC_DEFINE(HAVE_LINUX_POSIX_ACL_XATTR_H, 1, [linux/posix_acl_xattr.h found])
 569
 570         ],[
 571                 AC_MSG_RESULT([no])
 572         ])
 573 $1
 574 ],[
 575 AC_MSG_RESULT([no])
 576 ])
 577 ])
 578
 579 AC_DEFUN([LC_LUSTRE_VERSION_H],
 580 [LB_CHECK_FILE([$LINUX/include/linux/lustre_version.h],[
 581         rm -f "$LUSTRE/include/linux/lustre_version.h"
 582 ],[
 583         touch "$LUSTRE/include/linux/lustre_version.h"
 584         if test x$enable_server = xyes ; then
 585                 AC_MSG_WARN([Unpatched kernel detected.])
 586                 AC_MSG_WARN([Lustre servers cannot be built with an unpatched kernel;])
 587                 AC_MSG_WARN([disabling server build])
 588                 enable_server='no'
 589         fi
 590 ])
 591 ])
 592
 593 AC_DEFUN([LC_FUNC_SET_FS_PWD],
 594 [AC_MSG_CHECKING([if kernel exports show_task])
 595 have_show_task=0
 596         if grep -q "EXPORT_SYMBOL(show_task)" \
 597                  "$LINUX/fs/namespace.c" 2>/dev/null ; then
 598                 AC_DEFINE(HAVE_SET_FS_PWD, 1, [set_fs_pwd is exported])
 599                 AC_MSG_RESULT([yes])
 600         else
 601                 AC_MSG_RESULT([no])
 602         fi
 603 ])
 604
 605
 606 #
 607 # LC_FUNC_MS_FLOCK_LOCK
 608 #
 609 # SLES9 kernel has MS_FLOCK_LOCK sb flag
 610 #
 611 AC_DEFUN([LC_FUNC_MS_FLOCK_LOCK],
 612 [AC_MSG_CHECKING([if kernel has MS_FLOCK_LOCK sb flag])
 613 LB_LINUX_TRY_COMPILE([
 614         #include <linux/fs.h>
 615 ],[
 616         int flags = MS_FLOCK_LOCK;
 617 ],[
 618         AC_DEFINE(HAVE_MS_FLOCK_LOCK, 1,
 619                 [kernel has MS_FLOCK_LOCK flag])
 620         AC_MSG_RESULT([yes])
 621 ],[
 622         AC_MSG_RESULT([no])
 623 ])
 624 ])
 625
 626 #
 627 # LC_FUNC_HAVE_CAN_SLEEP_ARG
 628 #
 629 # SLES9 kernel has third arg can_sleep
 630 # in fs/locks.c: flock_lock_file_wait()
 631 #
 632 AC_DEFUN([LC_FUNC_HAVE_CAN_SLEEP_ARG],
 633 [AC_MSG_CHECKING([if kernel has third arg can_sleep in fs/locks.c: flock_lock_file_wait()])
 634 LB_LINUX_TRY_COMPILE([
 635         #include <linux/fs.h>
 636 ],[
 637         int cansleep;
 638         struct file *file;
 639         struct file_lock *file_lock;
 640         flock_lock_file_wait(file, file_lock, cansleep);
 641 ],[
 642         AC_DEFINE(HAVE_CAN_SLEEP_ARG, 1,
 643                 [kernel has third arg can_sleep in fs/locks.c: flock_lock_file_wait()])
 644         AC_MSG_RESULT([yes])
 645 ],[
 646         AC_MSG_RESULT([no])
 647 ])
 648 ])
 649
 650 #
 651 # LC_FUNC_F_OP_FLOCK
 652 #
 653 # rhel4.2 kernel has f_op->flock field
 654 #
 655 AC_DEFUN([LC_FUNC_F_OP_FLOCK],
 656 [AC_MSG_CHECKING([if struct file_operations has flock field])
 657 LB_LINUX_TRY_COMPILE([
 658         #include <linux/fs.h>
 659 ],[
 660         struct file_operations ll_file_operations_flock;
 661         ll_file_operations_flock.flock = NULL;
 662 ],[
 663         AC_DEFINE(HAVE_F_OP_FLOCK, 1,
 664                 [struct file_operations has flock field])
 665         AC_MSG_RESULT([yes])
 666 ],[
 667         AC_MSG_RESULT([no])
 668 ])
 669 ])
 670
 671 #
 672 # LC_FUNC_MS_FLOCK_LOCK
 673 #
 674 # SLES9 kernel has MS_FLOCK_LOCK sb flag
 675 #
 676 AC_DEFUN([LC_FUNC_MS_FLOCK_LOCK],
 677 [AC_MSG_CHECKING([if kernel has MS_FLOCK_LOCK sb flag])
 678 LB_LINUX_TRY_COMPILE([
 679         #include <linux/fs.h>
 680 ],[
 681         int flags = MS_FLOCK_LOCK;
 682 ],[
 683         AC_DEFINE(HAVE_MS_FLOCK_LOCK, 1,
 684                 [kernel has MS_FLOCK_LOCK flag])
 685         AC_MSG_RESULT([yes])
 686 ],[
 687         AC_MSG_RESULT([no])
 688 ])
 689 ])
 690
 691 #
 692 # LC_FUNC_HAVE_CAN_SLEEP_ARG
 693 #
 694 # SLES9 kernel has third arg can_sleep
 695 # in fs/locks.c: flock_lock_file_wait()
 696 #
 697 AC_DEFUN([LC_FUNC_HAVE_CAN_SLEEP_ARG],
 698 [AC_MSG_CHECKING([if kernel has third arg can_sleep in fs/locks.c: flock_lock_file_wait()])
 699 LB_LINUX_TRY_COMPILE([
 700         #include <linux/fs.h>
 701 ],[
 702         int cansleep;
 703         struct file *file;
 704         struct file_lock *file_lock;
 705         flock_lock_file_wait(file, file_lock, cansleep);
 706 ],[
 707         AC_DEFINE(HAVE_CAN_SLEEP_ARG, 1,
 708                 [kernel has third arg can_sleep in fs/locks.c: flock_lock_file_wait()])
 709         AC_MSG_RESULT([yes])
 710 ],[
 711         AC_MSG_RESULT([no])
 712 ])
 713 ])
 714
 715 #
 716 # LC_TASK_PPTR
 717 #
 718 # task struct has p_pptr instead of parent
 719 #
 720 AC_DEFUN([LC_TASK_PPTR],
 721 [AC_MSG_CHECKING([task p_pptr found])
 722 LB_LINUX_TRY_COMPILE([
 723         #include <linux/sched.h>
 724 ],[
 725         struct task_struct *p;
 726
 727         p = p->p_pptr;
 728 ],[
 729         AC_MSG_RESULT([yes])
 730         AC_DEFINE(HAVE_TASK_PPTR, 1, [task p_pptr found])
 731 ],[
 732         AC_MSG_RESULT([no])
 733 ])
 734 ])
 735
 736 #
 737 # LC_FUNC_F_OP_FLOCK
 738 #
 739 # rhel4.2 kernel has f_op->flock field
 740 #
 741 AC_DEFUN([LC_FUNC_F_OP_FLOCK],
 742 [AC_MSG_CHECKING([if struct file_operations has flock field])
 743 LB_LINUX_TRY_COMPILE([
 744         #include <linux/fs.h>
 745 ],[
 746         struct file_operations ll_file_operations_flock;
 747         ll_file_operations_flock.flock = NULL;
 748 ],[
 749         AC_DEFINE(HAVE_F_OP_FLOCK, 1,
 750                 [struct file_operations has flock field])
 751         AC_MSG_RESULT([yes])
 752 ],[
 753         AC_MSG_RESULT([no])
 754 ])
 755 ])
 756
 757 # LC_INODE_I_MUTEX
 758 # after 2.6.15 inode have i_mutex intead of i_sem
 759 AC_DEFUN([LC_INODE_I_MUTEX],
 760 [AC_MSG_CHECKING([use inode have i_mutex ])
 761 LB_LINUX_TRY_COMPILE([
 762         #include <linux/mutex.h>
 763         #include <linux/fs.h>
 764 ],[
 765         struct inode i;
 766
 767         mutex_unlock(&i.i_mutex);
 768 ],[
 769         AC_MSG_RESULT(yes)
 770         AC_DEFINE(HAVE_INODE_I_MUTEX, 1,
 771                 [after 2.6.15 inode have i_mutex intead of i_sem])
 772 ],[
 773         AC_MSG_RESULT(NO)
 774 ])
 775 ])
 776
 777
 778 # LC_DQUOTOFF_MUTEX
 779 # after 2.6.17 dquote use mutex instead if semaphore
 780 AC_DEFUN([LC_DQUOTOFF_MUTEX],
 781 [AC_MSG_CHECKING([use dqonoff_mutex])
 782 LB_LINUX_TRY_COMPILE([
 783         #include <linux/mutex.h>
 784         #include <linux/fs.h>
 785         #include <linux/quota.h>
 786 ],[
 787         struct quota_info dq;
 788
 789         mutex_unlock(&dq.dqonoff_mutex);
 790 ],[
 791         AC_MSG_RESULT(yes)
 792         AC_DEFINE(HAVE_DQUOTOFF_MUTEX, 1,
 793                 [after 2.6.17 dquote use mutex instead if semaphore])
 794 ],[
 795         AC_MSG_RESULT(NO)
 796 ])
 797 ])
 798
 799 #
 800 # LC_STATFS_DENTRY_PARAM
 801 # starting from 2.6.18 linux kernel uses dentry instead of
 802 # super_block for first vfs_statfs argument
 803 #
 804 AC_DEFUN([LC_STATFS_DENTRY_PARAM],
 805 [AC_MSG_CHECKING([first vfs_statfs parameter is dentry])
 806 LB_LINUX_TRY_COMPILE([
 807         #include <linux/fs.h>
 808 ],[
 809         int vfs_statfs(struct dentry *, struct kstatfs *);
 810 ],[
 811         AC_DEFINE(HAVE_STATFS_DENTRY_PARAM, 1,
 812                 [first parameter of vfs_statfs is dentry])
 813         AC_MSG_RESULT([yes])
 814 ],[
 815         AC_MSG_RESULT([no])
 816 ])
 817 ])
 818
 819 #
 820 # LC_VFS_KERN_MOUNT
 821 # starting from 2.6.18 kernel don`t export do_kern_mount
 822 # and want to use vfs_kern_mount instead.
 823 #
 824 AC_DEFUN([LC_VFS_KERN_MOUNT],
 825 [AC_MSG_CHECKING([vfs_kern_mount exist in kernel])
 826 LB_LINUX_TRY_COMPILE([
 827         #include <linux/mount.h>
 828 ],[
 829         vfs_kern_mount(NULL, 0, NULL, NULL);
 830 ],[
 831         AC_DEFINE(HAVE_VFS_KERN_MOUNT, 1,
 832                 [vfs_kern_mount exist in kernel])
 833         AC_MSG_RESULT([yes])
 834 ],[
 835         AC_MSG_RESULT([no])
 836 ])
 837 ])
 838
 839 #
 840 # LC_INVALIDATEPAGE_RETURN_INT
 841 # more 2.6 api changes.  return type for the invalidatepage
 842 # address_space_operation is 'void' in new kernels but 'int' in old
 843 #
 844 AC_DEFUN([LC_INVALIDATEPAGE_RETURN_INT],
 845 [AC_MSG_CHECKING([invalidatepage has return int])
 846 LB_LINUX_TRY_COMPILE([
 847         #include <linux/buffer_head.h>
 848 ],[
 849         int rc = block_invalidatepage(NULL, 0);
 850 ],[
 851         AC_MSG_RESULT(yes)
 852         AC_DEFINE(HAVE_INVALIDATEPAGE_RETURN_INT, 1,
 853                 [Define if return type of invalidatepage should be int])
 854 ],[
 855         AC_MSG_RESULT(NO)
 856 ])
 857 ])
 858
 859 # LC_UMOUNTBEGIN_HAS_VFSMOUNT
 860 # more 2.6 API changes. 2.6.18 umount_begin has different parameters
 861 AC_DEFUN([LC_UMOUNTBEGIN_HAS_VFSMOUNT],
 862 [AC_MSG_CHECKING([if umount_begin needs vfsmount parameter instead of super_block])
 863 tmp_flags="$EXTRA_KCFLAGS"
 864 EXTRA_KCFLAGS="-Werror"
 865 LB_LINUX_TRY_COMPILE([
 866         #include <linux/fs.h>
 867
 868         struct vfsmount;
 869         static void cfg_umount_begin (struct vfsmount *v, int flags)
 870         {
 871                 ;
 872         }
 873
 874         static struct super_operations cfg_super_operations = {
 875                 .umount_begin   = cfg_umount_begin,
 876         };
 877 ],[
 878         cfg_super_operations.umount_begin(NULL,0);
 879 ],[
 880         AC_MSG_RESULT(yes)
 881         AC_DEFINE(HAVE_UMOUNTBEGIN_VFSMOUNT, 1,
 882                 [Define umount_begin need second argument])
 883 ],[
 884         AC_MSG_RESULT(NO)
 885 ])
 886 EXTRA_KCFLAGS="$tmp_flags"
 887 ])
 888
 889 # 2.6.19 API changes
 890 # inode don`t have i_blksize field
 891 AC_DEFUN([LC_INODE_BLKSIZE],
 892 [AC_MSG_CHECKING([inode has i_blksize field])
 893 LB_LINUX_TRY_COMPILE([
 894 #include <linux/fs.h>
 895 ],[
 896         struct inode i;
 897         i.i_blksize = 0;
 898 ],[
 899         AC_MSG_RESULT(yes)
 900         AC_DEFINE(HAVE_INODE_BLKSIZE, 1,
 901                 [struct inode has i_blksize field])
 902 ],[
 903         AC_MSG_RESULT(NO)
 904 ])
 905 ])
 906
 907 # LC_VFS_READDIR_U64_INO
 908 # 2.6.19 use u64 for inode number instead of inode_t
 909 AC_DEFUN([LC_VFS_READDIR_U64_INO],
 910 [AC_MSG_CHECKING([check vfs_readdir need 64bit inode number])
 911 tmp_flags="$EXTRA_KCFLAGS"
 912 EXTRA_KCFLAGS="-Werror"
 913 LB_LINUX_TRY_COMPILE([
 914 #include <linux/fs.h>
 915         int fillonedir(void * __buf, const char * name, int namlen, loff_t offset,
 916                       u64 ino, unsigned int d_type)
 917         {
 918                 return 0;
 919         }
 920 ],[
 921         filldir_t filter;
 922
 923         filter = fillonedir;
 924         return 1;
 925 ],[
 926         AC_MSG_RESULT(yes)
 927         AC_DEFINE(HAVE_VFS_READDIR_U64_INO, 1,
 928                 [if vfs_readdir need 64bit inode number])
 929 ],[
 930         AC_MSG_RESULT(NO)
 931 ])
 932 EXTRA_KCFLAGS="$tmp_flags"
 933 ])
 934
 935 # LC_GENERIC_FILE_WRITE
 936 # 2.6.19 introduce do_sync_write instead of
 937 # generic_file_write
 938 AC_DEFUN([LC_GENERIC_FILE_WRITE],
 939 [AC_MSG_CHECKING([use generic_file_write])
 940 LB_LINUX_TRY_COMPILE([
 941         #include <linux/fs.h>
 942 ],[
 943         int result = generic_file_read(NULL, NULL, 0, 0);
 944 ],[
 945         AC_MSG_RESULT(yes)
 946         AC_DEFINE(HAVE_GENERIC_FILE_WRITE, 1,
 947                 [use generic_file_write])
 948 ],[
 949         AC_MSG_RESULT(NO)
 950 ])
 951 ])
 952
 953 # LC_GENERIC_FILE_READ
 954 # 2.6.19 need to use do_sync_read instead of
 955 # generic_file_read
 956 AC_DEFUN([LC_GENERIC_FILE_READ],
 957 [AC_MSG_CHECKING([use generic_file_read])
 958 LB_LINUX_TRY_COMPILE([
 959         #include <linux/fs.h>
 960 ],[
 961         int result = generic_file_read(NULL, NULL, 0, 0);
 962 ],[
 963         AC_MSG_RESULT(yes)
 964         AC_DEFINE(HAVE_GENERIC_FILE_READ, 1,
 965                 [use generic_file_read])
 966 ],[
 967         AC_MSG_RESULT(NO)
 968 ])
 969 ])
 970
 971 # LC_NR_PAGECACHE
 972 # 2.6.18 don`t export nr_pagecahe
 973 AC_DEFUN([LC_NR_PAGECACHE],
 974 [AC_MSG_CHECKING([kernel export nr_pagecache])
 975 LB_LINUX_TRY_COMPILE([
 976         #include <linux/pagemap.h>
 977 ],[
 978         return atomic_read(&nr_pagecache);
 979 ],[
 980         AC_MSG_RESULT(yes)
 981         AC_DEFINE(HAVE_NR_PAGECACHE, 1,
 982                 [is kernel export nr_pagecache])
 983 ],[
 984         AC_MSG_RESULT(NO)
 985 ])
 986 ])
 987
 988
 989 #
 990 # LC_PROG_LINUX
 991 #
 992 # Lustre linux kernel checks
 993 #
 994 AC_DEFUN([LC_PROG_LINUX],
 995 [ LC_LUSTRE_VERSION_H
 996 if test x$enable_server = xyes ; then
 997         LC_CONFIG_BACKINGFS
 998 fi
 999 LC_CONFIG_PINGER
1000 LC_CONFIG_LIBLUSTRE_RECOVERY
1001 LC_CONFIG_QUOTA
1002
1003 LC_TASK_PPTR
1004
1005 LC_STRUCT_KIOBUF
1006 LC_FUNC_COND_RESCHED
1007 LC_FUNC_ZAP_PAGE_RANGE
1008 LC_FUNC_PDE
1009 LC_FUNC_DIRECT_IO
1010 LC_HEADER_MM_INLINE
1011 LC_STRUCT_INODE
1012 LC_FUNC_REGISTER_CACHE
1013 LC_FUNC_GRAB_CACHE_PAGE_NOWAIT_GFP
1014 LC_FUNC_DEV_SET_RDONLY
1015 LC_FUNC_FILEMAP_FDATAWRITE
1016 LC_STRUCT_STATFS
1017 LC_FUNC_PAGE_MAPPED
1018 LC_STRUCT_FILE_OPS_UNLOCKED_IOCTL
1019 LC_FILEMAP_POPULATE
1020 LC_D_ADD_UNIQUE
1021 LC_BIT_SPINLOCK_H
1022 LC_XATTR_ACL
1023 LC_STRUCT_INTENT_FILE
1024 LC_POSIX_ACL_XATTR_H
1025 LC_FUNC_SET_FS_PWD
1026 LC_FUNC_MS_FLOCK_LOCK
1027 LC_FUNC_HAVE_CAN_SLEEP_ARG
1028 LC_FUNC_F_OP_FLOCK
1029 LC_QUOTA_READ
1030 LC_COOKIE_FOLLOW_LINK
1031
1032 # 2.6.15
1033 LC_INODE_I_MUTEX
1034
1035 # 2.6.17
1036 LC_DQUOTOFF_MUTEX
1037
1038 # 2.6.18
1039 LC_NR_PAGECACHE
1040 LC_STATFS_DENTRY_PARAM
1041 LC_VFS_KERN_MOUNT
1042 LC_INVALIDATEPAGE_RETURN_INT
1043 LC_UMOUNTBEGIN_HAS_VFSMOUNT
1044
1045 # 2.6.19
1046 LC_INODE_BLKSIZE
1047 LC_VFS_READDIR_U64_INO
1048 LC_GENERIC_FILE_READ
1049 LC_GENERIC_FILE_WRITE
1050 ])
1051
1052 #
1053 # LC_CONFIG_CLIENT_SERVER
1054 #
1055 # Build client/server sides of Lustre
1056 #
1057 AC_DEFUN([LC_CONFIG_CLIENT_SERVER],
1058 [AC_MSG_CHECKING([whether to build Lustre server support])
1059 AC_ARG_ENABLE([server],
1060         AC_HELP_STRING([--disable-server],
1061                         [disable Lustre server support]),
1062         [],[enable_server='yes'])
1063 AC_MSG_RESULT([$enable_server])
1064
1065 AC_MSG_CHECKING([whether to build Lustre client support])
1066 AC_ARG_ENABLE([client],
1067         AC_HELP_STRING([--disable-client],
1068                         [disable Lustre client support]),
1069         [],[enable_client='yes'])
1070 AC_MSG_RESULT([$enable_client])])
1071
1072 #
1073 # LC_CONFIG_LIBLUSTRE
1074 #
1075 # whether to build liblustre
1076 #
1077 AC_DEFUN([LC_CONFIG_LIBLUSTRE],
1078 [AC_MSG_CHECKING([whether to build Lustre library])
1079 AC_ARG_ENABLE([liblustre],
1080         AC_HELP_STRING([--disable-liblustre],
1081                         [disable building of Lustre library]),
1082         [],[enable_liblustre=$with_sysio])
1083 AC_MSG_RESULT([$enable_liblustre])
1084 # only build sysio if liblustre is built
1085 with_sysio="$enable_liblustre"
1086
1087 AC_MSG_CHECKING([whether to build liblustre tests])
1088 AC_ARG_ENABLE([liblustre-tests],
1089         AC_HELP_STRING([--enable-liblustre-tests],
1090                         [enable liblustre tests, if --disable-tests is used]),
1091         [],[enable_liblustre_tests=$enable_tests])
1092 if test x$enable_liblustre != xyes ; then
1093    enable_liblustre_tests='no'
1094 fi
1095 AC_MSG_RESULT([$enable_liblustre_tests])
1096
1097 AC_MSG_CHECKING([whether to build mpitests])
1098 AC_ARG_ENABLE([mpitests],
1099         AC_HELP_STRING([--enable-mpitests],
1100                         [build liblustre mpi tests]),
1101         [],[enable_mpitests=no])
1102 AC_MSG_RESULT([$enable_mpitests])
1103
1104 AC_MSG_NOTICE([Enabling Lustre configure options for libsysio])
1105 ac_configure_args="$ac_configure_args --with-lustre-hack --with-sockets"
1106
1107 LC_CONFIG_PINGER
1108 LC_CONFIG_LIBLUSTRE_RECOVERY
1109 ])
1110
1111 #
1112 # LC_CONFIG_QUOTA
1113 #
1114 # whether to enable quota support
1115 #
1116 AC_DEFUN([LC_CONFIG_QUOTA],
1117 [AC_MSG_CHECKING([whether to enable quota support])
1118 AC_ARG_ENABLE([quota],
1119         AC_HELP_STRING([--enable-quota],
1120                         [enable quota support]),
1121         [],[enable_quota='yes'])
1122 AC_MSG_RESULT([$enable_quota])
1123 if test x$linux25 != xyes; then
1124    enable_quota='no'
1125 fi
1126 if test x$enable_quota != xno; then
1127    AC_DEFINE(HAVE_QUOTA_SUPPORT, 1, [Enable quota support])
1128 fi
1129 ])
1130
1131 AC_DEFUN([LC_QUOTA_READ],
1132 [AC_MSG_CHECKING([if kernel supports quota_read])
1133 LB_LINUX_TRY_COMPILE([
1134         #include <linux/fs.h>
1135 ],[
1136         struct super_operations sp;
1137         void *i = (void *)sp.quota_read;
1138 ],[
1139         AC_MSG_RESULT([yes])
1140         AC_DEFINE(KERNEL_SUPPORTS_QUOTA_READ, 1, [quota_read found])
1141 ],[
1142         AC_MSG_RESULT([no])
1143 ])
1144 ])
1145
1146 #
1147 # LC_COOKIE_FOLLOW_LINK
1148 #
1149 # kernel 2.6.13+ ->follow_link returns a cookie
1150 #
1151
1152 AC_DEFUN([LC_COOKIE_FOLLOW_LINK],
1153 [AC_MSG_CHECKING([if inode_operations->follow_link returns a cookie])
1154 LB_LINUX_TRY_COMPILE([
1155         #include <linux/namei.h>
1156         #include <linux/fs.h>
1157
1158 ],[
1159         struct dentry dentry;
1160         struct nameidata nd;
1161
1162         dentry.d_inode->i_op->put_link(&dentry, &nd, NULL);
1163 ],[
1164         AC_DEFINE(HAVE_COOKIE_FOLLOW_LINK, 1, [inode_operations->follow_link returns a cookie])
1165         AC_MSG_RESULT([yes])
1166 ],[
1167         AC_MSG_RESULT([no])
1168 ])
1169 ])
1170
1171 #
1172 # LC_CONFIGURE
1173 #
1174 # other configure checks
1175 #
1176 AC_DEFUN([LC_CONFIGURE],
1177 [LC_CONFIG_OBD_BUFFER_SIZE
1178
1179 # include/liblustre.h
1180 AC_CHECK_HEADERS([asm/page.h sys/user.h sys/vfs.h stdint.h blkid/blkid.h])
1181
1182 # include/lustre/lustre_user.h
1183 # See note there re: __ASM_X86_64_PROCESSOR_H
1184 AC_CHECK_HEADERS([linux/quota.h])
1185
1186 # liblustre/llite_lib.h
1187 AC_CHECK_HEADERS([xtio.h file.h])
1188
1189 # liblustre/dir.c
1190 AC_CHECK_HEADERS([linux/types.h sys/types.h linux/unistd.h unistd.h])
1191
1192 # liblustre/lutil.c
1193 AC_CHECK_HEADERS([netinet/in.h arpa/inet.h catamount/data.h])
1194 AC_CHECK_FUNCS([inet_ntoa])
1195
1196 # utils/llverfs.c
1197 AC_CHECK_HEADERS([ext2fs/ext2fs.h])
1198
1199 # Super safe df
1200 AC_ARG_ENABLE([mindf],
1201       AC_HELP_STRING([--enable-mindf],
1202                       [Make statfs report the minimum available space on any single OST instead of the sum of free space on all OSTs]),
1203       [],[])
1204 if test "$enable_mindf" = "yes" ;  then
1205       AC_DEFINE([MIN_DF], 1, [Report minimum OST free space])
1206 fi
1207
1208 ])
1209
1210 #
1211 # LC_CONDITIONALS
1212 #
1213 # AM_CONDITIONALS for lustre
1214 #
1215 AC_DEFUN([LC_CONDITIONALS],
1216 [AM_CONDITIONAL(LIBLUSTRE, test x$enable_liblustre = xyes)
1217 AM_CONDITIONAL(LDISKFS, test x$enable_ldiskfs = xyes)
1218 AM_CONDITIONAL(USE_QUILT, test x$QUILT != xno)
1219 AM_CONDITIONAL(LIBLUSTRE_TESTS, test x$enable_liblustre_tests = xyes)
1220 AM_CONDITIONAL(MPITESTS, test x$enable_mpitests = xyes, Build MPI Tests)
1221 AM_CONDITIONAL(CLIENT, test x$enable_client = xyes)
1222 AM_CONDITIONAL(SERVER, test x$enable_server = xyes)
1223 AM_CONDITIONAL(QUOTA, test x$enable_quota = xyes)
1224 AM_CONDITIONAL(BLKID, test x$ac_cv_header_blkid_blkid_h = xyes)
1225 AM_CONDITIONAL(EXT2FS_DEVEL, test x$ac_cv_header_ext2fs_ext2fs_h = xyes)
1226 AM_CONDITIONAL(LIBPTHREAD, test x$enable_libpthread = xyes)
1227 ])
1228
1229 #
1230 # LC_CONFIG_FILES
1231 #
1232 # files that should be generated with AC_OUTPUT
1233 #
1234 AC_DEFUN([LC_CONFIG_FILES],
1235 [AC_CONFIG_FILES([
1236 lustre/Makefile
1237 lustre/autoMakefile
1238 lustre/autoconf/Makefile
1239 lustre/contrib/Makefile
1240 lustre/doc/Makefile
1241 lustre/include/Makefile
1242 lustre/include/lustre_ver.h
1243 lustre/include/linux/Makefile
1244 lustre/include/lustre/Makefile
1245 lustre/kernel_patches/targets/2.6-suse.target
1246 lustre/kernel_patches/targets/2.6-vanilla.target
1247 lustre/kernel_patches/targets/2.6-rhel4.target
1248 lustre/kernel_patches/targets/2.6-fc5.target
1249 lustre/kernel_patches/targets/2.6-patchless.target
1250 lustre/kernel_patches/targets/hp_pnnl-2.4.target
1251 lustre/kernel_patches/targets/rh-2.4.target
1252 lustre/kernel_patches/targets/rhel-2.4.target
1253 lustre/kernel_patches/targets/suse-2.4.21-2.target
1254 lustre/kernel_patches/targets/sles-2.4.target
1255 lustre/ldiskfs/Makefile
1256 lustre/ldiskfs/autoMakefile
1257 lustre/ldlm/Makefile
1258 lustre/liblustre/Makefile
1259 lustre/liblustre/tests/Makefile
1260 lustre/llite/Makefile
1261 lustre/llite/autoMakefile
1262 lustre/lov/Makefile
1263 lustre/lov/autoMakefile
1264 lustre/lvfs/Makefile
1265 lustre/lvfs/autoMakefile
1266 lustre/mdc/Makefile
1267 lustre/mdc/autoMakefile
1268 lustre/mds/Makefile
1269 lustre/mds/autoMakefile
1270 lustre/obdclass/Makefile
1271 lustre/obdclass/autoMakefile
1272 lustre/obdclass/linux/Makefile
1273 lustre/obdecho/Makefile
1274 lustre/obdecho/autoMakefile
1275 lustre/obdfilter/Makefile
1276 lustre/obdfilter/autoMakefile
1277 lustre/osc/Makefile
1278 lustre/osc/autoMakefile
1279 lustre/ost/Makefile
1280 lustre/ost/autoMakefile
1281 lustre/mgc/Makefile
1282 lustre/mgc/autoMakefile
1283 lustre/mgs/Makefile
1284 lustre/mgs/autoMakefile
1285 lustre/ptlrpc/Makefile
1286 lustre/ptlrpc/autoMakefile
1287 lustre/quota/Makefile
1288 lustre/quota/autoMakefile
1289 lustre/scripts/Makefile
1290 lustre/scripts/version_tag.pl
1291 lustre/tests/Makefile
1292 lustre/utils/Makefile
1293 ])
1294 case $lb_target_os in
1295         darwin)
1296                 AC_CONFIG_FILES([ lustre/obdclass/darwin/Makefile ])
1297                 ;;
1298 esac
1299
1300 ])