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 new dev_set_rdonly])
 288 LB_LINUX_TRY_COMPILE([
 289         #include <linux/fs.h>
 290 ],[
 291         #ifndef HAVE_CLEAR_RDONLY_ON_PUT
 292         #error needs to be patched by lustre kernel patches from Lustre version 1.4.3 or above.
 293         #endif
 294 ],[
 295         AC_MSG_RESULT([yes])
 296         AC_DEFINE(HAVE_DEV_SET_RDONLY, 1, [kernel has new dev_set_rdonly])
 297 ],[
 298         AC_MSG_RESULT([no, Linux kernel source needs to be patches by lustre
 299 kernel patches from Lustre version 1.4.3 or above.])
 300 ])
 301 ])
 302
 303 #
 304 # LC_CONFIG_BACKINGFS
 305 #
 306 # whether to use ldiskfs instead of ext3
 307 #
 308 AC_DEFUN([LC_CONFIG_BACKINGFS],
 309 [
 310 BACKINGFS='ext3'
 311
 312 # 2.6 gets ldiskfs
 313 AC_MSG_CHECKING([whether to enable ldiskfs])
 314 AC_ARG_ENABLE([ldiskfs],
 315         AC_HELP_STRING([--enable-ldiskfs],
 316                         [use ldiskfs for the Lustre backing FS]),
 317         [],[enable_ldiskfs="$linux25"])
 318 AC_MSG_RESULT([$enable_ldiskfs])
 319
 320 if test x$enable_ldiskfs = xyes ; then
 321         BACKINGFS="ldiskfs"
 322
 323         AC_MSG_CHECKING([whether to enable quilt for making ldiskfs])
 324         AC_ARG_ENABLE([quilt],
 325                         AC_HELP_STRING([--disable-quilt],[disable use of quilt for ldiskfs]),
 326                         [],[enable_quilt='yes'])
 327         AC_MSG_RESULT([$enable_quilt])
 328
 329         AC_PATH_PROG(PATCH, patch, [no])
 330
 331         if test x$enable_quilt = xno ; then
 332             QUILT="no"
 333         else
 334             AC_PATH_PROG(QUILT, quilt, [no])
 335         fi
 336
 337         if test x$enable_ldiskfs$PATCH$QUILT = xyesnono ; then
 338                 AC_MSG_ERROR([Quilt or patch are needed to build the ldiskfs module (for Linux 2.6)])
 339         fi
 340
 341         AC_DEFINE(CONFIG_LDISKFS_FS_MODULE, 1, [build ldiskfs as a module])
 342         AC_DEFINE(CONFIG_LDISKFS_FS_XATTR, 1, [enable extended attributes for ldiskfs])
 343         AC_DEFINE(CONFIG_LDISKFS_FS_POSIX_ACL, 1, [enable posix acls])
 344         AC_DEFINE(CONFIG_LDISKFS_FS_SECURITY, 1, [enable fs security])
 345 fi
 346
 347 AC_MSG_CHECKING([which backing filesystem to use])
 348 AC_MSG_RESULT([$BACKINGFS])
 349 AC_SUBST(BACKINGFS)
 350
 351 case $BACKINGFS in
 352         ext3)
 353                 # --- Check that ext3 and ext3 xattr are enabled in the kernel
 354                 LC_CONFIG_EXT3([],[
 355                         AC_MSG_ERROR([Lustre requires that ext3 is enabled in the kernel])
 356                 ],[
 357                         AC_MSG_WARN([Lustre requires that extended attributes for ext3 are enabled in the kernel])
 358                         AC_MSG_WARN([This build may fail.])
 359                 ])
 360                 ;;
 361         ldiskfs)
 362                 AC_MSG_CHECKING([which ldiskfs series to use])
 363                 case $LINUXRELEASE in
 364                 2.6.5*) LDISKFS_SERIES="2.6-suse.series" ;;
 365                 2.6.9*) LDISKFS_SERIES="2.6-rhel4.series" ;;
 366                 2.6.10-ac*) LDISKFS_SERIES="2.6-fc3.series" ;;
 367                 2.6.10*) LDISKFS_SERIES="2.6-rhel4.series" ;;
 368                 2.6.12*) LDISKFS_SERIES="2.6.12-vanilla.series" ;;
 369                 2.6.15*) LDISKFS_SERIES="2.6-fc5.series";;
 370                 2.6.16*) LDISKFS_SERIES="2.6-sles10.series";;
 371                 2.6.18*) LDISKFS_SERIES="2.6.18-vanilla.series";;
 372                 *) AC_MSG_WARN([Unknown kernel version $LINUXRELEASE, fix lustre/autoconf/lustre-core.m4])
 373                 esac
 374                 AC_MSG_RESULT([$LDISKFS_SERIES])
 375                 AC_SUBST(LDISKFS_SERIES)
 376                 ;;
 377 esac # $BACKINGFS
 378 ])
 379
 380 #
 381 # LC_CONFIG_PINGER
 382 #
 383 # the pinger is temporary, until we have the recovery node in place
 384 #
 385 AC_DEFUN([LC_CONFIG_PINGER],
 386 [AC_MSG_CHECKING([whether to enable pinger support])
 387 AC_ARG_ENABLE([pinger],
 388         AC_HELP_STRING([--disable-pinger],
 389                         [disable recovery pinger support]),
 390         [],[enable_pinger='yes'])
 391 AC_MSG_RESULT([$enable_pinger])
 392 if test x$enable_pinger != xno ; then
 393   AC_DEFINE(ENABLE_PINGER, 1, Use the Pinger)
 394 fi
 395 ])
 396
 397 #
 398 # LC_CONFIG_LIBLUSTRE_RECOVERY
 399 #
 400 AC_DEFUN([LC_CONFIG_LIBLUSTRE_RECOVERY],
 401 [AC_MSG_CHECKING([whether to enable liblustre recovery support])
 402 AC_ARG_ENABLE([liblustre-recovery],
 403         AC_HELP_STRING([--disable-liblustre-recovery],
 404                         [disable liblustre recovery support]),
 405         [],[enable_liblustre_recovery='yes'])
 406 AC_MSG_RESULT([$enable_liblustre_recovery])
 407 if test x$enable_liblustre_recovery != xno ; then
 408   AC_DEFINE(ENABLE_LIBLUSTRE_RECOVERY, 1, Liblustre Can Recover)
 409 fi
 410 ])
 411
 412 #
 413 # LC_CONFIG_OBD_BUFFER_SIZE
 414 #
 415 # the maximum buffer size of lctl ioctls
 416 #
 417 AC_DEFUN([LC_CONFIG_OBD_BUFFER_SIZE],
 418 [AC_MSG_CHECKING([maximum OBD ioctl size])
 419 AC_ARG_WITH([obd-buffer-size],
 420         AC_HELP_STRING([--with-obd-buffer-size=[size]],
 421                         [set lctl ioctl maximum bytes (default=8192)]),
 422         [
 423                 OBD_BUFFER_SIZE=$with_obd_buffer_size
 424         ],[
 425                 OBD_BUFFER_SIZE=8192
 426         ])
 427 AC_MSG_RESULT([$OBD_BUFFER_SIZE bytes])
 428 AC_DEFINE_UNQUOTED(OBD_MAX_IOCTL_BUFFER, $OBD_BUFFER_SIZE, [IOCTL Buffer Size])
 429 ])
 430
 431 #
 432 # LC_STRUCT_STATFS
 433 #
 434 # AIX does not have statfs.f_namelen
 435 #
 436 AC_DEFUN([LC_STRUCT_STATFS],
 437 [AC_MSG_CHECKING([if struct statfs has a f_namelen field])
 438 LB_LINUX_TRY_COMPILE([
 439         #include <linux/vfs.h>
 440 ],[
 441         struct statfs sfs;
 442         sfs.f_namelen = 1;
 443 ],[
 444         AC_MSG_RESULT([yes])
 445         AC_DEFINE(HAVE_STATFS_NAMELEN, 1, [struct statfs has a namelen field])
 446 ],[
 447         AC_MSG_RESULT([no])
 448 ])
 449 ])
 450
 451 AC_DEFUN([LC_FUNC_PAGE_MAPPED],
 452 [AC_MSG_CHECKING([if kernel offers page_mapped])
 453 LB_LINUX_TRY_COMPILE([
 454         #include <linux/mm.h>
 455 ],[
 456         page_mapped(NULL);
 457 ],[
 458         AC_MSG_RESULT([yes])
 459         AC_DEFINE(HAVE_PAGE_MAPPED, 1, [page_mapped found])
 460 ],[
 461         AC_MSG_RESULT([no])
 462 ])
 463 ])
 464
 465 AC_DEFUN([LC_STRUCT_FILE_OPS_UNLOCKED_IOCTL],
 466 [AC_MSG_CHECKING([if struct file_operations has an unlocked_ioctl field])
 467 LB_LINUX_TRY_COMPILE([
 468         #include <linux/fs.h>
 469 ],[
 470         struct file_operations fops;
 471         &fops.unlocked_ioctl;
 472 ],[
 473         AC_MSG_RESULT([yes])
 474         AC_DEFINE(HAVE_UNLOCKED_IOCTL, 1, [struct file_operations has an unlock ed_ioctl field])
 475 ],[
 476         AC_MSG_RESULT([no])
 477 ])
 478 ])
 479
 480 AC_DEFUN([LC_FILEMAP_POPULATE],
 481 [AC_MSG_CHECKING([for exported filemap_populate])
 482 LB_LINUX_TRY_COMPILE([
 483         #include <asm/page.h>
 484         #include <linux/mm.h>
 485 ],[
 486        filemap_populate(NULL, 0, 0, __pgprot(0), 0, 0);
 487 ],[
 488         AC_MSG_RESULT([yes])
 489         AC_DEFINE(HAVE_FILEMAP_POPULATE, 1, [Kernel exports filemap_populate])
 490 ],[
 491         AC_MSG_RESULT([no])
 492 ])
 493 ])
 494
 495 AC_DEFUN([LC_D_ADD_UNIQUE],
 496 [AC_MSG_CHECKING([for d_add_unique])
 497 LB_LINUX_TRY_COMPILE([
 498         #include <linux/dcache.h>
 499 ],[
 500        d_add_unique(NULL, NULL);
 501 ],[
 502         AC_MSG_RESULT([yes])
 503         AC_DEFINE(HAVE_D_ADD_UNIQUE, 1, [Kernel has d_add_unique])
 504 ],[
 505         AC_MSG_RESULT([no])
 506 ])
 507 ])
 508
 509 AC_DEFUN([LC_BIT_SPINLOCK_H],
 510 [LB_CHECK_FILE([$LINUX/include/linux/bit_spinlock.h],[
 511         AC_MSG_CHECKING([if bit_spinlock.h can be compiled])
 512         LB_LINUX_TRY_COMPILE([
 513                 #include <asm/processor.h>
 514                 #include <linux/spinlock.h>
 515                 #include <linux/bit_spinlock.h>
 516         ],[],[
 517                 AC_MSG_RESULT([yes])
 518                 AC_DEFINE(HAVE_BIT_SPINLOCK_H, 1, [Kernel has bit_spinlock.h])
 519         ],[
 520                 AC_MSG_RESULT([no])
 521         ])
 522 ],
 523 [])
 524 ])
 525
 526 #
 527 # LC_POSIX_ACL_XATTR
 528 #
 529 # If we have xattr_acl.h
 530 #
 531 AC_DEFUN([LC_XATTR_ACL],
 532 [LB_CHECK_FILE([$LINUX/include/linux/xattr_acl.h],[
 533         AC_MSG_CHECKING([if xattr_acl.h can be compiled])
 534         LB_LINUX_TRY_COMPILE([
 535                 #include <linux/xattr_acl.h>
 536         ],[],[
 537                 AC_MSG_RESULT([yes])
 538                 AC_DEFINE(HAVE_XATTR_ACL, 1, [Kernel has xattr_acl])
 539         ],[
 540                 AC_MSG_RESULT([no])
 541         ])
 542 ],
 543 [])
 544 ])
 545
 546 AC_DEFUN([LC_STRUCT_INTENT_FILE],
 547 [AC_MSG_CHECKING([if struct open_intent has a file field])
 548 LB_LINUX_TRY_COMPILE([
 549         #include <linux/fs.h>
 550         #include <linux/namei.h>
 551 ],[
 552         struct open_intent intent;
 553         &intent.file;
 554 ],[
 555         AC_MSG_RESULT([yes])
 556         AC_DEFINE(HAVE_FILE_IN_STRUCT_INTENT, 1, [struct open_intent has a file field])
 557 ],[
 558         AC_MSG_RESULT([no])
 559 ])
 560 ])
 561
 562
 563 AC_DEFUN([LC_POSIX_ACL_XATTR_H],
 564 [LB_CHECK_FILE([$LINUX/include/linux/posix_acl_xattr.h],[
 565         AC_MSG_CHECKING([if linux/posix_acl_xattr.h can be compiled])
 566         LB_LINUX_TRY_COMPILE([
 567                 #include <linux/posix_acl_xattr.h>
 568         ],[],[
 569                 AC_MSG_RESULT([yes])
 570                 AC_DEFINE(HAVE_LINUX_POSIX_ACL_XATTR_H, 1, [linux/posix_acl_xattr.h found])
 571
 572         ],[
 573                 AC_MSG_RESULT([no])
 574         ])
 575 $1
 576 ],[
 577 AC_MSG_RESULT([no])
 578 ])
 579 ])
 580
 581 AC_DEFUN([LC_LUSTRE_VERSION_H],
 582 [LB_CHECK_FILE([$LINUX/include/linux/lustre_version.h],[
 583         rm -f "$LUSTRE/include/linux/lustre_version.h"
 584 ],[
 585         touch "$LUSTRE/include/linux/lustre_version.h"
 586         if test x$enable_server = xyes ; then
 587                 AC_MSG_WARN([Unpatched kernel detected.])
 588                 AC_MSG_WARN([Lustre servers cannot be built with an unpatched kernel;])
 589                 AC_MSG_WARN([disabling server build])
 590                 enable_server='no'
 591         fi
 592 ])
 593 ])
 594
 595 AC_DEFUN([LC_FUNC_SET_FS_PWD],
 596 [AC_MSG_CHECKING([if kernel exports show_task])
 597 have_show_task=0
 598         if grep -q "EXPORT_SYMBOL(show_task)" \
 599                  "$LINUX/fs/namespace.c" 2>/dev/null ; then
 600                 AC_DEFINE(HAVE_SET_FS_PWD, 1, [set_fs_pwd is exported])
 601                 AC_MSG_RESULT([yes])
 602         else
 603                 AC_MSG_RESULT([no])
 604         fi
 605 ])
 606
 607
 608 #
 609 # LC_FUNC_MS_FLOCK_LOCK
 610 #
 611 # SLES9 kernel has MS_FLOCK_LOCK sb flag
 612 #
 613 AC_DEFUN([LC_FUNC_MS_FLOCK_LOCK],
 614 [AC_MSG_CHECKING([if kernel has MS_FLOCK_LOCK sb flag])
 615 LB_LINUX_TRY_COMPILE([
 616         #include <linux/fs.h>
 617 ],[
 618         int flags = MS_FLOCK_LOCK;
 619 ],[
 620         AC_DEFINE(HAVE_MS_FLOCK_LOCK, 1,
 621                 [kernel has MS_FLOCK_LOCK flag])
 622         AC_MSG_RESULT([yes])
 623 ],[
 624         AC_MSG_RESULT([no])
 625 ])
 626 ])
 627
 628 #
 629 # LC_FUNC_HAVE_CAN_SLEEP_ARG
 630 #
 631 # SLES9 kernel has third arg can_sleep
 632 # in fs/locks.c: flock_lock_file_wait()
 633 #
 634 AC_DEFUN([LC_FUNC_HAVE_CAN_SLEEP_ARG],
 635 [AC_MSG_CHECKING([if kernel has third arg can_sleep in fs/locks.c: flock_lock_file_wait()])
 636 LB_LINUX_TRY_COMPILE([
 637         #include <linux/fs.h>
 638 ],[
 639         int cansleep;
 640         struct file *file;
 641         struct file_lock *file_lock;
 642         flock_lock_file_wait(file, file_lock, cansleep);
 643 ],[
 644         AC_DEFINE(HAVE_CAN_SLEEP_ARG, 1,
 645                 [kernel has third arg can_sleep in fs/locks.c: flock_lock_file_wait()])
 646         AC_MSG_RESULT([yes])
 647 ],[
 648         AC_MSG_RESULT([no])
 649 ])
 650 ])
 651
 652 #
 653 # LC_FUNC_F_OP_FLOCK
 654 #
 655 # rhel4.2 kernel has f_op->flock field
 656 #
 657 AC_DEFUN([LC_FUNC_F_OP_FLOCK],
 658 [AC_MSG_CHECKING([if struct file_operations has flock field])
 659 LB_LINUX_TRY_COMPILE([
 660         #include <linux/fs.h>
 661 ],[
 662         struct file_operations ll_file_operations_flock;
 663         ll_file_operations_flock.flock = NULL;
 664 ],[
 665         AC_DEFINE(HAVE_F_OP_FLOCK, 1,
 666                 [struct file_operations has flock field])
 667         AC_MSG_RESULT([yes])
 668 ],[
 669         AC_MSG_RESULT([no])
 670 ])
 671 ])
 672
 673 #
 674 # LC_FUNC_MS_FLOCK_LOCK
 675 #
 676 # SLES9 kernel has MS_FLOCK_LOCK sb flag
 677 #
 678 AC_DEFUN([LC_FUNC_MS_FLOCK_LOCK],
 679 [AC_MSG_CHECKING([if kernel has MS_FLOCK_LOCK sb flag])
 680 LB_LINUX_TRY_COMPILE([
 681         #include <linux/fs.h>
 682 ],[
 683         int flags = MS_FLOCK_LOCK;
 684 ],[
 685         AC_DEFINE(HAVE_MS_FLOCK_LOCK, 1,
 686                 [kernel has MS_FLOCK_LOCK flag])
 687         AC_MSG_RESULT([yes])
 688 ],[
 689         AC_MSG_RESULT([no])
 690 ])
 691 ])
 692
 693 #
 694 # LC_FUNC_HAVE_CAN_SLEEP_ARG
 695 #
 696 # SLES9 kernel has third arg can_sleep
 697 # in fs/locks.c: flock_lock_file_wait()
 698 #
 699 AC_DEFUN([LC_FUNC_HAVE_CAN_SLEEP_ARG],
 700 [AC_MSG_CHECKING([if kernel has third arg can_sleep in fs/locks.c: flock_lock_file_wait()])
 701 LB_LINUX_TRY_COMPILE([
 702         #include <linux/fs.h>
 703 ],[
 704         int cansleep;
 705         struct file *file;
 706         struct file_lock *file_lock;
 707         flock_lock_file_wait(file, file_lock, cansleep);
 708 ],[
 709         AC_DEFINE(HAVE_CAN_SLEEP_ARG, 1,
 710                 [kernel has third arg can_sleep in fs/locks.c: flock_lock_file_wait()])
 711         AC_MSG_RESULT([yes])
 712 ],[
 713         AC_MSG_RESULT([no])
 714 ])
 715 ])
 716
 717 #
 718 # LC_TASK_PPTR
 719 #
 720 # task struct has p_pptr instead of parent
 721 #
 722 AC_DEFUN([LC_TASK_PPTR],
 723 [AC_MSG_CHECKING([task p_pptr found])
 724 LB_LINUX_TRY_COMPILE([
 725         #include <linux/sched.h>
 726 ],[
 727         struct task_struct *p;
 728
 729         p = p->p_pptr;
 730 ],[
 731         AC_MSG_RESULT([yes])
 732         AC_DEFINE(HAVE_TASK_PPTR, 1, [task p_pptr found])
 733 ],[
 734         AC_MSG_RESULT([no])
 735 ])
 736 ])
 737
 738 #
 739 # LC_FUNC_F_OP_FLOCK
 740 #
 741 # rhel4.2 kernel has f_op->flock field
 742 #
 743 AC_DEFUN([LC_FUNC_F_OP_FLOCK],
 744 [AC_MSG_CHECKING([if struct file_operations has flock field])
 745 LB_LINUX_TRY_COMPILE([
 746         #include <linux/fs.h>
 747 ],[
 748         struct file_operations ll_file_operations_flock;
 749         ll_file_operations_flock.flock = NULL;
 750 ],[
 751         AC_DEFINE(HAVE_F_OP_FLOCK, 1,
 752                 [struct file_operations has flock field])
 753         AC_MSG_RESULT([yes])
 754 ],[
 755         AC_MSG_RESULT([no])
 756 ])
 757 ])
 758
 759 # LC_INODE_I_MUTEX
 760 # after 2.6.15 inode have i_mutex intead of i_sem
 761 AC_DEFUN([LC_INODE_I_MUTEX],
 762 [AC_MSG_CHECKING([use inode have i_mutex ])
 763 LB_LINUX_TRY_COMPILE([
 764         #include <linux/mutex.h>
 765         #include <linux/fs.h>
 766 ],[
 767         struct inode i;
 768
 769         mutex_unlock(&i.i_mutex);
 770 ],[
 771         AC_MSG_RESULT(yes)
 772         AC_DEFINE(HAVE_INODE_I_MUTEX, 1,
 773                 [after 2.6.15 inode have i_mutex intead of i_sem])
 774 ],[
 775         AC_MSG_RESULT(NO)
 776 ])
 777 ])
 778
 779
 780 # LC_DQUOTOFF_MUTEX
 781 # after 2.6.17 dquote use mutex instead if semaphore
 782 AC_DEFUN([LC_DQUOTOFF_MUTEX],
 783 [AC_MSG_CHECKING([use dqonoff_mutex])
 784 LB_LINUX_TRY_COMPILE([
 785         #include <linux/mutex.h>
 786         #include <linux/fs.h>
 787         #include <linux/quota.h>
 788 ],[
 789         struct quota_info dq;
 790
 791         mutex_unlock(&dq.dqonoff_mutex);
 792 ],[
 793         AC_MSG_RESULT(yes)
 794         AC_DEFINE(HAVE_DQUOTOFF_MUTEX, 1,
 795                 [after 2.6.17 dquote use mutex instead if semaphore])
 796 ],[
 797         AC_MSG_RESULT(NO)
 798 ])
 799 ])
 800
 801 #
 802 # LC_STATFS_DENTRY_PARAM
 803 # starting from 2.6.18 linux kernel uses dentry instead of
 804 # super_block for first vfs_statfs argument
 805 #
 806 AC_DEFUN([LC_STATFS_DENTRY_PARAM],
 807 [AC_MSG_CHECKING([first vfs_statfs parameter is dentry])
 808 LB_LINUX_TRY_COMPILE([
 809         #include <linux/fs.h>
 810 ],[
 811         int vfs_statfs(struct dentry *, struct kstatfs *);
 812 ],[
 813         AC_DEFINE(HAVE_STATFS_DENTRY_PARAM, 1,
 814                 [first parameter of vfs_statfs is dentry])
 815         AC_MSG_RESULT([yes])
 816 ],[
 817         AC_MSG_RESULT([no])
 818 ])
 819 ])
 820
 821 #
 822 # LC_VFS_KERN_MOUNT
 823 # starting from 2.6.18 kernel don`t export do_kern_mount
 824 # and want to use vfs_kern_mount instead.
 825 #
 826 AC_DEFUN([LC_VFS_KERN_MOUNT],
 827 [AC_MSG_CHECKING([vfs_kern_mount exist in kernel])
 828 LB_LINUX_TRY_COMPILE([
 829         #include <linux/mount.h>
 830 ],[
 831         vfs_kern_mount(NULL, 0, NULL, NULL);
 832 ],[
 833         AC_DEFINE(HAVE_VFS_KERN_MOUNT, 1,
 834                 [vfs_kern_mount exist in kernel])
 835         AC_MSG_RESULT([yes])
 836 ],[
 837         AC_MSG_RESULT([no])
 838 ])
 839 ])
 840
 841 #
 842 # LC_INVALIDATEPAGE_RETURN_INT
 843 # more 2.6 api changes.  return type for the invalidatepage
 844 # address_space_operation is 'void' in new kernels but 'int' in old
 845 #
 846 AC_DEFUN([LC_INVALIDATEPAGE_RETURN_INT],
 847 [AC_MSG_CHECKING([invalidatepage has return int])
 848 LB_LINUX_TRY_COMPILE([
 849         #include <linux/buffer_head.h>
 850 ],[
 851         int rc = block_invalidatepage(NULL, 0);
 852 ],[
 853         AC_MSG_RESULT(yes)
 854         AC_DEFINE(HAVE_INVALIDATEPAGE_RETURN_INT, 1,
 855                 [Define if return type of invalidatepage should be int])
 856 ],[
 857         AC_MSG_RESULT(NO)
 858 ])
 859 ])
 860
 861 # LC_UMOUNTBEGIN_HAS_VFSMOUNT
 862 # more 2.6 API changes. 2.6.18 umount_begin has different parameters
 863 AC_DEFUN([LC_UMOUNTBEGIN_HAS_VFSMOUNT],
 864 [AC_MSG_CHECKING([if umount_begin needs vfsmount parameter instead of super_block])
 865 tmp_flags="$EXTRA_KCFLAGS"
 866 EXTRA_KCFLAGS="-Werror"
 867 LB_LINUX_TRY_COMPILE([
 868         #include <linux/fs.h>
 869
 870         struct vfsmount;
 871         static void cfg_umount_begin (struct vfsmount *v, int flags)
 872         {
 873                 ;
 874         }
 875
 876         static struct super_operations cfg_super_operations = {
 877                 .umount_begin   = cfg_umount_begin,
 878         };
 879 ],[
 880         cfg_super_operations.umount_begin(NULL,0);
 881 ],[
 882         AC_MSG_RESULT(yes)
 883         AC_DEFINE(HAVE_UMOUNTBEGIN_VFSMOUNT, 1,
 884                 [Define umount_begin need second argument])
 885 ],[
 886         AC_MSG_RESULT(NO)
 887 ])
 888 EXTRA_KCFLAGS="$tmp_flags"
 889 ])
 890
 891 # 2.6.19 API changes
 892 # inode don`t have i_blksize field
 893 AC_DEFUN([LC_INODE_BLKSIZE],
 894 [AC_MSG_CHECKING([inode has i_blksize field])
 895 LB_LINUX_TRY_COMPILE([
 896 #include <linux/fs.h>
 897 ],[
 898         struct inode i;
 899         i.i_blksize = 0;
 900 ],[
 901         AC_MSG_RESULT(yes)
 902         AC_DEFINE(HAVE_INODE_BLKSIZE, 1,
 903                 [struct inode has i_blksize field])
 904 ],[
 905         AC_MSG_RESULT(NO)
 906 ])
 907 ])
 908
 909 # LC_VFS_READDIR_U64_INO
 910 # 2.6.19 use u64 for inode number instead of inode_t
 911 AC_DEFUN([LC_VFS_READDIR_U64_INO],
 912 [AC_MSG_CHECKING([check vfs_readdir need 64bit inode number])
 913 tmp_flags="$EXTRA_KCFLAGS"
 914 EXTRA_KCFLAGS="-Werror"
 915 LB_LINUX_TRY_COMPILE([
 916 #include <linux/fs.h>
 917         int fillonedir(void * __buf, const char * name, int namlen, loff_t offset,
 918                       u64 ino, unsigned int d_type)
 919         {
 920                 return 0;
 921         }
 922 ],[
 923         filldir_t filter;
 924
 925         filter = fillonedir;
 926         return 1;
 927 ],[
 928         AC_MSG_RESULT(yes)
 929         AC_DEFINE(HAVE_VFS_READDIR_U64_INO, 1,
 930                 [if vfs_readdir need 64bit inode number])
 931 ],[
 932         AC_MSG_RESULT(NO)
 933 ])
 934 EXTRA_KCFLAGS="$tmp_flags"
 935 ])
 936
 937 # LC_GENERIC_FILE_WRITE
 938 # 2.6.19 introduce do_sync_write instead of
 939 # generic_file_write
 940 AC_DEFUN([LC_GENERIC_FILE_WRITE],
 941 [AC_MSG_CHECKING([use generic_file_write])
 942 LB_LINUX_TRY_COMPILE([
 943         #include <linux/fs.h>
 944 ],[
 945         int result = generic_file_read(NULL, NULL, 0, 0);
 946 ],[
 947         AC_MSG_RESULT(yes)
 948         AC_DEFINE(HAVE_GENERIC_FILE_WRITE, 1,
 949                 [use generic_file_write])
 950 ],[
 951         AC_MSG_RESULT(NO)
 952 ])
 953 ])
 954
 955 # LC_GENERIC_FILE_READ
 956 # 2.6.19 need to use do_sync_read instead of
 957 # generic_file_read
 958 AC_DEFUN([LC_GENERIC_FILE_READ],
 959 [AC_MSG_CHECKING([use generic_file_read])
 960 LB_LINUX_TRY_COMPILE([
 961         #include <linux/fs.h>
 962 ],[
 963         int result = generic_file_read(NULL, NULL, 0, 0);
 964 ],[
 965         AC_MSG_RESULT(yes)
 966         AC_DEFINE(HAVE_GENERIC_FILE_READ, 1,
 967                 [use generic_file_read])
 968 ],[
 969         AC_MSG_RESULT(NO)
 970 ])
 971 ])
 972
 973 # LC_NR_PAGECACHE
 974 # 2.6.18 don`t export nr_pagecahe
 975 AC_DEFUN([LC_NR_PAGECACHE],
 976 [AC_MSG_CHECKING([kernel export nr_pagecache])
 977 LB_LINUX_TRY_COMPILE([
 978         #include <linux/pagemap.h>
 979 ],[
 980         return atomic_read(&nr_pagecache);
 981 ],[
 982         AC_MSG_RESULT(yes)
 983         AC_DEFINE(HAVE_NR_PAGECACHE, 1,
 984                 [is kernel export nr_pagecache])
 985 ],[
 986         AC_MSG_RESULT(NO)
 987 ])
 988 ])
 989
 990
 991 #
 992 # LC_PROG_LINUX
 993 #
 994 # Lustre linux kernel checks
 995 #
 996 AC_DEFUN([LC_PROG_LINUX],
 997 [ LC_LUSTRE_VERSION_H
 998 if test x$enable_server = xyes ; then
 999         LC_CONFIG_BACKINGFS
1000 fi
1001 LC_CONFIG_PINGER
1002 LC_CONFIG_LIBLUSTRE_RECOVERY
1003 LC_CONFIG_QUOTA
1004
1005 LC_TASK_PPTR
1006
1007 LC_STRUCT_KIOBUF
1008 LC_FUNC_COND_RESCHED
1009 LC_FUNC_ZAP_PAGE_RANGE
1010 LC_FUNC_PDE
1011 LC_FUNC_DIRECT_IO
1012 LC_HEADER_MM_INLINE
1013 LC_STRUCT_INODE
1014 LC_FUNC_REGISTER_CACHE
1015 LC_FUNC_GRAB_CACHE_PAGE_NOWAIT_GFP
1016 LC_FUNC_DEV_SET_RDONLY
1017 LC_FUNC_FILEMAP_FDATAWRITE
1018 LC_STRUCT_STATFS
1019 LC_FUNC_PAGE_MAPPED
1020 LC_STRUCT_FILE_OPS_UNLOCKED_IOCTL
1021 LC_FILEMAP_POPULATE
1022 LC_D_ADD_UNIQUE
1023 LC_BIT_SPINLOCK_H
1024 LC_XATTR_ACL
1025 LC_STRUCT_INTENT_FILE
1026 LC_POSIX_ACL_XATTR_H
1027 LC_FUNC_SET_FS_PWD
1028 LC_FUNC_MS_FLOCK_LOCK
1029 LC_FUNC_HAVE_CAN_SLEEP_ARG
1030 LC_FUNC_F_OP_FLOCK
1031 LC_QUOTA_READ
1032 LC_COOKIE_FOLLOW_LINK
1033
1034 # 2.6.15
1035 LC_INODE_I_MUTEX
1036
1037 # 2.6.17
1038 LC_DQUOTOFF_MUTEX
1039
1040 # 2.6.18
1041 LC_NR_PAGECACHE
1042 LC_STATFS_DENTRY_PARAM
1043 LC_VFS_KERN_MOUNT
1044 LC_INVALIDATEPAGE_RETURN_INT
1045 LC_UMOUNTBEGIN_HAS_VFSMOUNT
1046
1047 # 2.6.19
1048 LC_INODE_BLKSIZE
1049 LC_VFS_READDIR_U64_INO
1050 LC_GENERIC_FILE_READ
1051 LC_GENERIC_FILE_WRITE
1052 ])
1053
1054 #
1055 # LC_CONFIG_CLIENT_SERVER
1056 #
1057 # Build client/server sides of Lustre
1058 #
1059 AC_DEFUN([LC_CONFIG_CLIENT_SERVER],
1060 [AC_MSG_CHECKING([whether to build Lustre server support])
1061 AC_ARG_ENABLE([server],
1062         AC_HELP_STRING([--disable-server],
1063                         [disable Lustre server support]),
1064         [],[enable_server='yes'])
1065 AC_MSG_RESULT([$enable_server])
1066
1067 AC_MSG_CHECKING([whether to build Lustre client support])
1068 AC_ARG_ENABLE([client],
1069         AC_HELP_STRING([--disable-client],
1070                         [disable Lustre client support]),
1071         [],[enable_client='yes'])
1072 AC_MSG_RESULT([$enable_client])])
1073
1074 #
1075 # LC_CONFIG_LIBLUSTRE
1076 #
1077 # whether to build liblustre
1078 #
1079 AC_DEFUN([LC_CONFIG_LIBLUSTRE],
1080 [AC_MSG_CHECKING([whether to build Lustre library])
1081 AC_ARG_ENABLE([liblustre],
1082         AC_HELP_STRING([--disable-liblustre],
1083                         [disable building of Lustre library]),
1084         [],[enable_liblustre=$with_sysio])
1085 AC_MSG_RESULT([$enable_liblustre])
1086 # only build sysio if liblustre is built
1087 with_sysio="$enable_liblustre"
1088
1089 AC_MSG_CHECKING([whether to build liblustre tests])
1090 AC_ARG_ENABLE([liblustre-tests],
1091         AC_HELP_STRING([--enable-liblustre-tests],
1092                         [enable liblustre tests, if --disable-tests is used]),
1093         [],[enable_liblustre_tests=$enable_tests])
1094 if test x$enable_liblustre != xyes ; then
1095    enable_liblustre_tests='no'
1096 fi
1097 AC_MSG_RESULT([$enable_liblustre_tests])
1098
1099 AC_MSG_CHECKING([whether to build mpitests])
1100 AC_ARG_ENABLE([mpitests],
1101         AC_HELP_STRING([--enable-mpitests],
1102                         [build liblustre mpi tests]),
1103         [],[enable_mpitests=no])
1104 AC_MSG_RESULT([$enable_mpitests])
1105
1106 AC_MSG_NOTICE([Enabling Lustre configure options for libsysio])
1107 ac_configure_args="$ac_configure_args --with-lustre-hack --with-sockets"
1108
1109 LC_CONFIG_PINGER
1110 LC_CONFIG_LIBLUSTRE_RECOVERY
1111 ])
1112
1113 #
1114 # LC_CONFIG_QUOTA
1115 #
1116 # whether to enable quota support
1117 #
1118 AC_DEFUN([LC_CONFIG_QUOTA],
1119 [AC_MSG_CHECKING([whether to enable quota support])
1120 AC_ARG_ENABLE([quota],
1121         AC_HELP_STRING([--enable-quota],
1122                         [enable quota support]),
1123         [],[enable_quota='yes'])
1124 AC_MSG_RESULT([$enable_quota])
1125 if test x$linux25 != xyes; then
1126    enable_quota='no'
1127 fi
1128 if test x$enable_quota != xno; then
1129    AC_DEFINE(HAVE_QUOTA_SUPPORT, 1, [Enable quota support])
1130 fi
1131 ])
1132
1133 AC_DEFUN([LC_QUOTA_READ],
1134 [AC_MSG_CHECKING([if kernel supports quota_read])
1135 LB_LINUX_TRY_COMPILE([
1136         #include <linux/fs.h>
1137 ],[
1138         struct super_operations sp;
1139         void *i = (void *)sp.quota_read;
1140 ],[
1141         AC_MSG_RESULT([yes])
1142         AC_DEFINE(KERNEL_SUPPORTS_QUOTA_READ, 1, [quota_read found])
1143 ],[
1144         AC_MSG_RESULT([no])
1145 ])
1146 ])
1147
1148 #
1149 # LC_COOKIE_FOLLOW_LINK
1150 #
1151 # kernel 2.6.13+ ->follow_link returns a cookie
1152 #
1153
1154 AC_DEFUN([LC_COOKIE_FOLLOW_LINK],
1155 [AC_MSG_CHECKING([if inode_operations->follow_link returns a cookie])
1156 LB_LINUX_TRY_COMPILE([
1157         #include <linux/namei.h>
1158         #include <linux/fs.h>
1159
1160 ],[
1161         struct dentry dentry;
1162         struct nameidata nd;
1163
1164         dentry.d_inode->i_op->put_link(&dentry, &nd, NULL);
1165 ],[
1166         AC_DEFINE(HAVE_COOKIE_FOLLOW_LINK, 1, [inode_operations->follow_link returns a cookie])
1167         AC_MSG_RESULT([yes])
1168 ],[
1169         AC_MSG_RESULT([no])
1170 ])
1171 ])
1172
1173 #
1174 # LC_CONFIGURE
1175 #
1176 # other configure checks
1177 #
1178 AC_DEFUN([LC_CONFIGURE],
1179 [LC_CONFIG_OBD_BUFFER_SIZE
1180
1181 # include/liblustre.h
1182 AC_CHECK_HEADERS([asm/page.h sys/user.h sys/vfs.h stdint.h blkid/blkid.h])
1183
1184 # include/lustre/lustre_user.h
1185 # See note there re: __ASM_X86_64_PROCESSOR_H
1186 AC_CHECK_HEADERS([linux/quota.h])
1187
1188 # liblustre/llite_lib.h
1189 AC_CHECK_HEADERS([xtio.h file.h])
1190
1191 # liblustre/dir.c
1192 AC_CHECK_HEADERS([linux/types.h sys/types.h linux/unistd.h unistd.h])
1193
1194 # liblustre/lutil.c
1195 AC_CHECK_HEADERS([netinet/in.h arpa/inet.h catamount/data.h])
1196 AC_CHECK_FUNCS([inet_ntoa])
1197
1198 # utils/llverfs.c
1199 AC_CHECK_HEADERS([ext2fs/ext2fs.h])
1200
1201 # Super safe df
1202 AC_ARG_ENABLE([mindf],
1203       AC_HELP_STRING([--enable-mindf],
1204                       [Make statfs report the minimum available space on any single OST instead of the sum of free space on all OSTs]),
1205       [],[])
1206 if test "$enable_mindf" = "yes" ;  then
1207       AC_DEFINE([MIN_DF], 1, [Report minimum OST free space])
1208 fi
1209
1210 ])
1211
1212 #
1213 # LC_CONDITIONALS
1214 #
1215 # AM_CONDITIONALS for lustre
1216 #
1217 AC_DEFUN([LC_CONDITIONALS],
1218 [AM_CONDITIONAL(LIBLUSTRE, test x$enable_liblustre = xyes)
1219 AM_CONDITIONAL(LDISKFS, test x$enable_ldiskfs = xyes)
1220 AM_CONDITIONAL(USE_QUILT, test x$QUILT != xno)
1221 AM_CONDITIONAL(LIBLUSTRE_TESTS, test x$enable_liblustre_tests = xyes)
1222 AM_CONDITIONAL(MPITESTS, test x$enable_mpitests = xyes, Build MPI Tests)
1223 AM_CONDITIONAL(CLIENT, test x$enable_client = xyes)
1224 AM_CONDITIONAL(SERVER, test x$enable_server = xyes)
1225 AM_CONDITIONAL(QUOTA, test x$enable_quota = xyes)
1226 AM_CONDITIONAL(BLKID, test x$ac_cv_header_blkid_blkid_h = xyes)
1227 AM_CONDITIONAL(EXT2FS_DEVEL, test x$ac_cv_header_ext2fs_ext2fs_h = xyes)
1228 AM_CONDITIONAL(LIBPTHREAD, test x$enable_libpthread = xyes)
1229 ])
1230
1231 #
1232 # LC_CONFIG_FILES
1233 #
1234 # files that should be generated with AC_OUTPUT
1235 #
1236 AC_DEFUN([LC_CONFIG_FILES],
1237 [AC_CONFIG_FILES([
1238 lustre/Makefile
1239 lustre/autoMakefile
1240 lustre/autoconf/Makefile
1241 lustre/contrib/Makefile
1242 lustre/doc/Makefile
1243 lustre/include/Makefile
1244 lustre/include/lustre_ver.h
1245 lustre/include/linux/Makefile
1246 lustre/include/lustre/Makefile
1247 lustre/kernel_patches/targets/2.6-suse.target
1248 lustre/kernel_patches/targets/2.6-vanilla.target
1249 lustre/kernel_patches/targets/2.6-rhel4.target
1250 lustre/kernel_patches/targets/2.6-fc5.target
1251 lustre/kernel_patches/targets/2.6-patchless.target
1252 lustre/kernel_patches/targets/2.6-sles10.target
1253 lustre/kernel_patches/targets/hp_pnnl-2.4.target
1254 lustre/kernel_patches/targets/rh-2.4.target
1255 lustre/kernel_patches/targets/rhel-2.4.target
1256 lustre/kernel_patches/targets/suse-2.4.21-2.target
1257 lustre/kernel_patches/targets/sles-2.4.target
1258 lustre/ldiskfs/Makefile
1259 lustre/ldiskfs/autoMakefile
1260 lustre/ldlm/Makefile
1261 lustre/liblustre/Makefile
1262 lustre/liblustre/tests/Makefile
1263 lustre/llite/Makefile
1264 lustre/llite/autoMakefile
1265 lustre/lov/Makefile
1266 lustre/lov/autoMakefile
1267 lustre/lvfs/Makefile
1268 lustre/lvfs/autoMakefile
1269 lustre/mdc/Makefile
1270 lustre/mdc/autoMakefile
1271 lustre/mds/Makefile
1272 lustre/mds/autoMakefile
1273 lustre/obdclass/Makefile
1274 lustre/obdclass/autoMakefile
1275 lustre/obdclass/linux/Makefile
1276 lustre/obdecho/Makefile
1277 lustre/obdecho/autoMakefile
1278 lustre/obdfilter/Makefile
1279 lustre/obdfilter/autoMakefile
1280 lustre/osc/Makefile
1281 lustre/osc/autoMakefile
1282 lustre/ost/Makefile
1283 lustre/ost/autoMakefile
1284 lustre/mgc/Makefile
1285 lustre/mgc/autoMakefile
1286 lustre/mgs/Makefile
1287 lustre/mgs/autoMakefile
1288 lustre/ptlrpc/Makefile
1289 lustre/ptlrpc/autoMakefile
1290 lustre/quota/Makefile
1291 lustre/quota/autoMakefile
1292 lustre/scripts/Makefile
1293 lustre/scripts/version_tag.pl
1294 lustre/tests/Makefile
1295 lustre/utils/Makefile
1296 ])
1297 case $lb_target_os in
1298         darwin)
1299                 AC_CONFIG_FILES([ lustre/obdclass/darwin/Makefile ])
1300                 ;;
1301 esac
1302
1303 ])