config/lustre-build-ldiskfs.m4

   1 #
   2 # LDISKFS_LINUX_SERIES
   3 #
   4 AC_DEFUN([LDISKFS_LINUX_SERIES], [
   5 AC_MSG_CHECKING([which ldiskfs series to use])
   6 case x$LDISKFS_SERIES in
   7         x)                      # not set
   8                 ;;
   9         *.series)               # set externally
  10                 ;;
  11         *) LDISKFS_SERIES=
  12 esac
  13 AS_IF([test -z "$LDISKFS_SERIES"], [
  14 AS_IF([test x$RHEL_KERNEL = xyes], [
  15         case $RHEL_RELEASE_NO in
  16         80)     LDISKFS_SERIES="4.18-rhel8.series"      ;;
  17         76)     LDISKFS_SERIES="3.10-rhel7.6.series"    ;;
  18         75)     LDISKFS_SERIES="3.10-rhel7.5.series"    ;;
  19         74)     LDISKFS_SERIES="3.10-rhel7.4.series"    ;;
  20         73)     LDISKFS_SERIES="3.10-rhel7.3.series"    ;;
  21         72)     LDISKFS_SERIES="3.10-rhel7.2.series"    ;;
  22         71)     LDISKFS_SERIES="3.10-rhel7.series"      ;;
  23         69)     LDISKFS_SERIES="2.6-rhel6.9.series"     ;;
  24         68)     LDISKFS_SERIES="2.6-rhel6.8.series"     ;;
  25         67)     LDISKFS_SERIES="2.6-rhel6.7.series"     ;;
  26         66)     LDISKFS_SERIES="2.6-rhel6.6.series"     ;;
  27         65)     LDISKFS_SERIES="2.6-rhel6.5.series"     ;;
  28         64)     LDISKFS_SERIES="2.6-rhel6.4.series"     ;;
  29         6[0-3]) LDISKFS_SERIES="2.6-rhel6.series"       ;;
  30         esac
  31 ], [test x$SUSE_KERNEL = xyes], [
  32         AS_VERSION_COMPARE([$LINUXRELEASE],[4.4.82],[
  33         AS_VERSION_COMPARE([$LINUXRELEASE],[4.4.0],[
  34         AS_VERSION_COMPARE([$LINUXRELEASE],[3.12.0],[
  35         AS_VERSION_COMPARE([$LINUXRELEASE],[3.0.0],[
  36         AS_VERSION_COMPARE([$LINUXRELEASE],[2.6.32], [],
  37         [LDISKFS_SERIES="2.6-sles11.series"],[LDISKFS_SERIES="2.6-sles11.series"])],
  38         [LDISKFS_SERIES="3.0-sles11.series"],[
  39                 PLEV=$(grep PATCHLEVEL /etc/SuSE-release | sed -e 's/.*= *//')
  40                 case $PLEV in
  41                 2) LDISKFS_SERIES="3.0-sles11.series"
  42                         ;;
  43                 3) LDISKFS_SERIES="3.0-sles11sp3.series"
  44                         ;;
  45                 4) LDISKFS_SERIES="3.0-sles11sp4.series"
  46                         ;;
  47                 esac
  48         ])],[LDISKFS_SERIES="3.12-sles12.series"],[
  49                 PLEV=$(grep PATCHLEVEL /etc/SuSE-release | sed -e 's/.*= *//')
  50                 case $PLEV in
  51                 1) LDISKFS_SERIES="3.12-sles12sp1.series"
  52                         ;;
  53                 *) LDISKFS_SERIES="3.12-sles12.series"
  54                         ;;
  55                 esac
  56         ])],[LDISKFS_SERIES="4.4-sles12sp2.series"],
  57             [LDISKFS_SERIES="4.4-sles12sp2.series"]
  58         )], [LDISKFS_SERIES="4.4-sles12sp3.series"],
  59             [LDISKFS_SERIES="4.4-sles12sp3.series"])
  60 ], [test x$UBUNTU_KERNEL = xyes], [
  61         AS_VERSION_COMPARE([$LINUXRELEASE],[4.15.0],[
  62         AS_VERSION_COMPARE([$LINUXRELEASE],[4.4.0], [],
  63         [
  64                 KPLEV=$(echo $LINUXRELEASE | sed -n 's/.*-\([0-9]\+\).*/\1/p')
  65                 AS_IF(
  66                         [test -z "$KPLEV"], [
  67                                 AC_MSG_WARN([Failed to determine Kernel patch level. Assume latest.])
  68                                 LDISKFS_SERIES="4.4.0-73-ubuntu14+16.series"
  69                         ],
  70                         [test $KPLEV -ge 73], [LDISKFS_SERIES="4.4.0-73-ubuntu14+16.series"],
  71                         [test $KPLEV -ge 62], [LDISKFS_SERIES="4.4.0-62-ubuntu14+16.series"],
  72                         [test $KPLEV -ge 49], [LDISKFS_SERIES="4.4.0-49-ubuntu14+16.series"],
  73                         [LDISKFS_SERIES="4.4.0-45-ubuntu14+16.series"]
  74                 )
  75         ],
  76         [LDISKFS_SERIES="4.4.0-73-ubuntu14+16.series"])],
  77         [
  78                 KPLEV=$(echo $LINUXRELEASE | sed -n 's/.*-\([0-9]\+\).*/\1/p')
  79                 AS_IF(
  80                         [test -z "$KPLEV"], [
  81                                 AC_MSG_WARN([Failed to determine Kernel patch level. Assume latest.])
  82                                 LDISKFS_SERIES="4.15.0-24-ubuntu18.series"
  83                         ],
  84                         [test $KPLEV -ge 24], [LDISKFS_SERIES="4.15.0-24-ubuntu18.series"],
  85                         [test $KPLEV -ge 20], [LDISKFS_SERIES="4.15.0-20-ubuntu18.series"]
  86                 )
  87         ],
  88         [LDISKFS_SERIES="4.15.0-24-ubuntu18.series"])
  89 ])
  90 ])
  91 AS_IF([test -z "$LDISKFS_SERIES"],
  92         [AC_MSG_RESULT([failed to identify series])],
  93         [AC_MSG_RESULT([$LDISKFS_SERIES])])
  94 AC_SUBST(LDISKFS_SERIES)
  95 ]) # LDISKFS_LINUX_SERIES
  96
  97 #
  98 # LB_EXT_FREE_BLOCKS_WITH_BUFFER_HEAD
  99 #
 100 # 2.6.32-rc7 ext4_free_blocks requires struct buffer_head
 101 # Note that RHEL6 is pre 2.6.32-rc7 so this check is still needed.
 102 #
 103 AC_DEFUN([LB_EXT_FREE_BLOCKS_WITH_BUFFER_HEAD], [
 104 LB_CHECK_COMPILE([if 'ext4_free_blocks' needs 'struct buffer_head'],
 105 ext4_free_blocks_with_buffer_head, [
 106         #include <linux/fs.h>
 107         #include "$EXT4_SRC_DIR/ext4.h"
 108 ],[
 109         ext4_free_blocks(NULL, NULL, NULL, 0, 0, 0);
 110 ],[
 111         AC_DEFINE(HAVE_EXT_FREE_BLOCK_WITH_BUFFER_HEAD, 1,
 112                 [ext4_free_blocks do not require struct buffer_head])
 113 ])
 114 ]) # LB_EXT_FREE_BLOCKS_WITH_BUFFER_HEAD
 115
 116 #
 117 # LB_EXT_PBLOCK
 118 #
 119 # 2.6.35 renamed ext_pblock to ext4_ext_pblock(ex)
 120 #
 121 AC_DEFUN([LB_EXT_PBLOCK], [
 122 LB_CHECK_COMPILE([if Linux kernel has 'ext_pblock'],
 123 ext_pblock, [
 124         #include <linux/fs.h>
 125         #include "$EXT4_SRC_DIR/ext4_extents.h"
 126 ],[
 127         ext_pblock(NULL);
 128 ],[
 129         AC_DEFINE(HAVE_EXT_PBLOCK, 1, [Linux kernel has ext_pblock])
 130 ])
 131 ]) # LB_EXT_PBLOCK
 132
 133 #
 134 # LB_EXT4_JOURNAL_START_3ARGS
 135 #
 136 # 3.9 added a type argument to ext4_journal_start and friends
 137 #
 138 AC_DEFUN([LB_EXT4_JOURNAL_START_3ARGS], [
 139 LB_CHECK_COMPILE([if ext4_journal_start takes 3 arguments],
 140 ext4_journal_start, [
 141         #include <linux/fs.h>
 142         #include "$EXT4_SRC_DIR/ext4_jbd2.h"
 143 ],[
 144         ext4_journal_start(NULL, 0, 0);
 145 ],[
 146         AC_DEFINE(JOURNAL_START_HAS_3ARGS, 1, [ext4_journal_start takes 3 arguments])
 147 ])
 148 ]) # LB_EXT4_JOURNAL_START_3ARGS
 149
 150 #
 151 # LB_LDISKFS_MAP_BLOCKS
 152 #
 153 # Since 2.6.35 brought ext4_map_blocks() for IO.
 154 # We just check this function whether existed.
 155 # it must be exported by ldiskfs patches.
 156 #
 157 AC_DEFUN([LB_LDISKFS_MAP_BLOCKS], [
 158 LB_CHECK_COMPILE([if kernel has ext4_map_blocks],
 159 ext4_map_blocks, [
 160         #include <linux/fs.h>
 161         #include "$EXT4_SRC_DIR/ext4.h"
 162 ],[
 163         ext4_map_blocks(NULL, NULL, NULL, 0);
 164 ],[
 165         AC_DEFINE(HAVE_LDISKFS_MAP_BLOCKS, 1, [kernel has ext4_map_blocks])
 166 ])
 167 ])
 168
 169 #
 170 # LB_EXT4_BREAD_4ARGS
 171 #
 172 # 3.18 ext4_bread has 4 arguments
 173 #
 174 AC_DEFUN([LB_EXT4_BREAD_4ARGS], [
 175 LB_CHECK_COMPILE([if ext4_bread takes 4 arguments],
 176 ext4_bread, [
 177         #include <linux/fs.h>
 178         #include "$EXT4_SRC_DIR/ext4.h"
 179 ],[
 180         ext4_bread(NULL, NULL, 0, 0);
 181 ],[
 182         AC_DEFINE(HAVE_EXT4_BREAD_4ARGS, 1, [ext4_bread takes 4 arguments])
 183 ])
 184 ]) # LB_EXT4_BREAD_4ARGS
 185
 186 #
 187 # LB_EXT4_HAVE_INFO_DQUOT
 188 #
 189 # in linux 4.4 i_dqout is in ext4_inode_info, not in struct inode
 190 #
 191 AC_DEFUN([LB_EXT4_HAVE_INFO_DQUOT], [
 192 LB_CHECK_COMPILE([if i_dquot is in ext4_inode_info],
 193 ext4_info_dquot, [
 194         #include <linux/fs.h>
 195         #include <linux/quota.h>
 196         #include "$EXT4_SRC_DIR/ext4.h"
 197 ],[
 198         struct ext4_inode_info in;
 199         struct dquot *dq;
 200
 201         dq = in.i_dquot[0];
 202 ],[
 203         AC_DEFINE(HAVE_EXT4_INFO_DQUOT, 1, [i_dquot is in ext4_inode_info])
 204 ])
 205 ]) # LB_EXT4_HAVE_INFO_DQUOT
 206
 207 #
 208 # LB_EXT4_HAVE_I_CRYPT_INFO
 209 #
 210 # in linux 4.8 i_crypt_info moved from ext4_inode_info to struct inode
 211 #
 212 # Determine if we need to enable CONFIG_LDISKFS_FS_ENCRYPTION.
 213 # If we have i_crypt_info in ext4_inode_info, the config option
 214 # should be enabled to make the ldiskfs module compilation happy.
 215 # Otherwise i_crypy_info is in struct inode, we need to check kernel
 216 # config option to determine that.
 217 #
 218 AC_DEFUN([LB_EXT4_HAVE_I_CRYPT_INFO], [
 219 LB_CHECK_COMPILE([if i_crypt_info is in ext4_inode_info],
 220 ext4_i_crypt_info, [
 221         #define CONFIG_EXT4_FS_ENCRYPTION 1
 222         #include <linux/fs.h>
 223         #include "$EXT4_SRC_DIR/ext4.h"
 224 ],[
 225         struct ext4_inode_info in;
 226
 227         in.i_crypt_info = NULL;
 228 ],[
 229         AC_DEFINE(
 230                 CONFIG_LDISKFS_FS_ENCRYPTION, 1,
 231                 [enable encryption for ldiskfs]
 232         )
 233 ],[
 234         LB_CHECK_CONFIG([EXT4_FS_ENCRYPTION],[
 235                 AC_DEFINE(
 236                         CONFIG_LDISKFS_FS_ENCRYPTION, 1,
 237                         [enable encryption for ldiskfs]
 238                 )
 239         ])
 240 ])
 241 ]) # LB_EXT4_HAVE_I_CRYPT_INFO
 242
 243 #
 244 # LB_LDISKFS_IGET_HAS_FLAGS_ARG
 245 #
 246 # kernel 4.19 commit 8a363970d1dc38c4ec4ad575c862f776f468d057
 247 # ext4_iget changed to a macro with 3 args was function with 2 args
 248 #
 249 AC_DEFUN([LB_LDISKFS_IGET_HAS_FLAGS_ARG], [
 250 tmp_flags="$EXTRA_KCFLAGS"
 251 EXTRA_KCFLAGS="-Werror"
 252 LB_CHECK_COMPILE([if ldiskfs_iget takes a flags argument],
 253 ext4_iget_3args, [
 254         #include <linux/fs.h>
 255         #include "$EXT4_SRC_DIR/ext4.h"
 256 ],[
 257         int f = EXT4_IGET_SPECIAL;
 258         (void)f;
 259 ],[
 260         AC_DEFINE(HAVE_LDISKFS_IGET_WITH_FLAGS, 1,
 261                 [if ldiskfs_iget takes a flags argument])
 262 ])
 263 EXTRA_KCFLAGS="$tmp_flags"
 264 ]) # LB_LDISKFS_IGET_HAS_FLAGS_ARG
 265
 266 #
 267 # LDISKFS_AC_PATCH_PROGRAM
 268 #
 269 # Determine which program should be used to apply the patches to
 270 # the ext4 source code to produce the ldiskfs source code.
 271 #
 272 AC_DEFUN([LDISKFS_AC_PATCH_PROGRAM], [
 273         AC_ARG_ENABLE([quilt],
 274                 [AC_HELP_STRING([--disable-quilt],
 275                         [disable use of quilt for ldiskfs])],
 276                 [AS_IF([test "x$enableval" = xno],
 277                         [use_quilt=no],
 278                         [use_quilt=maybe])],
 279                 [use_quilt=maybe]
 280         )
 281
 282         AS_IF([test x$use_quilt = xmaybe], [
 283                 AC_PATH_PROG([quilt_avail], [quilt], [no])
 284                 AS_IF([test x$quilt_avail = xno], [
 285                         use_quilt=no
 286                 ], [
 287                         use_quilt=yes
 288                 ])
 289         ])
 290
 291         AS_IF([test x$use_quilt = xno], [
 292                 AC_PATH_PROG([patch_avail], [patch], [no])
 293                 AS_IF([test x$patch_avail = xno], [
 294                         AC_MSG_ERROR([*** Need "quilt" or "patch" command])
 295                 ])
 296         ])
 297 ]) # LDISKFS_AC_PATCH_PROGRAM
 298
 299 #
 300 # LB_CONFIG_LDISKFS
 301 #
 302 AC_DEFUN([LB_CONFIG_LDISKFS], [
 303 # --with-ldiskfs is deprecated now that ldiskfs is fully merged with lustre.
 304 # However we continue to support this option through Lustre 2.5.
 305 AC_ARG_WITH([ldiskfs],
 306         [],
 307         [AC_MSG_WARN([--with-ldiskfs is deprecated, please use --enable-ldiskfs])
 308         AS_IF([test x$withval != xyes -a x$withval != xno],
 309                 [AC_MSG_ERROR([
 310
 311 The ldiskfs option is deprecated,
 312 and no longer supports paths to external ldiskfs source
 313 ])])
 314 ])
 315
 316 AC_ARG_ENABLE([ldiskfs],
 317         [AS_HELP_STRING([--disable-ldiskfs],
 318                 [disable ldiskfs osd (default is enable)])],
 319         [AS_IF([test x$enable_ldiskfs != xyes -a x$enable_ldiskfs != xno],
 320                 [AC_MSG_ERROR([ldiskfs valid options are "yes" or "no"])])],
 321         [AS_IF([test "${with_ldiskfs+set}" = set],
 322                 [enable_ldiskfs=$with_ldiskfs],
 323                 [enable_ldiskfs=maybe])
 324 ])
 325
 326 AS_IF([test x$enable_server = xno],
 327         [AS_CASE([$enable_ldiskfs],
 328                 [maybe], [enable_ldiskfs=no],
 329                 [yes], [AC_MSG_ERROR([cannot build ldiskfs when servers are disabled])]
 330         )])
 331
 332 AS_IF([test x$enable_ldiskfs != xno],[
 333         # In the future, we chould change enable_ldiskfs from maybe to
 334         # either yes or no based on additional tests, e.g.  whether a patch
 335         # set is available for the detected kernel.  For now, we just always
 336         # set it to "yes".
 337         AS_IF([test x$enable_ldiskfs = xmaybe], [enable_ldiskfs=yes])
 338         AC_SUBST(ENABLE_LDISKFS, yes)
 339
 340         LDISKFS_LINUX_SERIES
 341         LDISKFS_AC_PATCH_PROGRAM
 342         LB_EXT_FREE_BLOCKS_WITH_BUFFER_HEAD
 343         LB_EXT_PBLOCK
 344         LB_EXT4_JOURNAL_START_3ARGS
 345         LB_LDISKFS_MAP_BLOCKS
 346         LB_EXT4_BREAD_4ARGS
 347         LB_EXT4_HAVE_INFO_DQUOT
 348         LB_EXT4_HAVE_I_CRYPT_INFO
 349         LB_LDISKFS_IGET_HAS_FLAGS_ARG
 350         AC_DEFINE(CONFIG_LDISKFS_FS_POSIX_ACL, 1, [posix acls for ldiskfs])
 351         AC_DEFINE(CONFIG_LDISKFS_FS_SECURITY, 1, [fs security for ldiskfs])
 352         AC_DEFINE(CONFIG_LDISKFS_FS_XATTR, 1, [extened attributes for ldiskfs])
 353         AC_DEFINE(CONFIG_LDISKFS_FS_RW, 1, [enable rw access for ldiskfs])
 354         AC_SUBST(LDISKFS_SUBDIR, ldiskfs)
 355         AC_DEFINE(HAVE_LDISKFS_OSD, 1, Enable ldiskfs osd)
 356 ], [
 357         AC_SUBST(ENABLE_LDISKFS, no)
 358 ])
 359
 360 AC_MSG_CHECKING([whether to build ldiskfs])
 361 AC_MSG_RESULT([$enable_ldiskfs])
 362
 363 AM_CONDITIONAL([LDISKFS_ENABLED], [test x$enable_ldiskfs = xyes])
 364 ]) # LB_CONFIG_LDISKFS
 365
 366 #
 367 # LB_VALIDATE_EXT4_SRC_DIR
 368 #
 369 # Spot check the existence of several source files common to ext4.
 370 # Detecting this at configure time allows us to avoid a potential build
 371 # failure and provide a useful error message to explain what is wrong.
 372 #
 373 AC_DEFUN([LB_VALIDATE_EXT4_SRC_DIR], [
 374 enable_ldiskfs_build="no"
 375 AS_IF([test -n "$EXT4_SRC_DIR"], [
 376         enable_ldiskfs_build="yes"
 377         LB_CHECK_FILE([$EXT4_SRC_DIR/dir.c], [], [
 378                 enable_ldiskfs_build="no"
 379                 AC_MSG_WARN([ext4 must exist for ldiskfs build])
 380         ])
 381         LB_CHECK_FILE([$EXT4_SRC_DIR/file.c], [], [
 382                 enable_ldiskfs_build="no"
 383                 AC_MSG_WARN([ext4 must exist for ldiskfs build])
 384         ])
 385         LB_CHECK_FILE([$EXT4_SRC_DIR/inode.c], [], [
 386                 enable_ldiskfs_build="no"
 387                 AC_MSG_WARN([ext4 must exist for ldiskfs build])
 388         ])
 389         LB_CHECK_FILE([$EXT4_SRC_DIR/super.c], [], [
 390                 enable_ldiskfs_build="no"
 391                 AC_MSG_WARN([ext4 must exist for ldiskfs build])
 392         ])
 393 ])
 394
 395 AS_IF([test "x$enable_ldiskfs_build" = xno], [
 396         enable_ldiskfs="no"
 397
 398         AC_MSG_WARN([
 399
 400 Disabling ldiskfs support because complete ext4 source does not exist.
 401
 402 If you are building using kernel-devel packages and require ldiskfs
 403 server support then ensure that the matching kernel-debuginfo-common
 404 and kernel-debuginfo-common-<arch> packages are installed.
 405 ])
 406 ])
 407 ]) # LB_VALIDATE_EXT4_SRC_DIR
 408
 409 #
 410 # LB_EXT4_SRC_DIR
 411 #
 412 # Determine the location of the ext4 source code.  It it required
 413 # for several configure tests and to build ldiskfs.
 414 #
 415 AC_DEFUN([LB_EXT4_SRC_DIR], [
 416 AC_MSG_CHECKING([ext4 source directory])
 417 # Kernel ext source located with devel headers
 418 linux_src=$LINUX
 419 AS_IF([test -e "$linux_src/fs/ext4/super.c"], [
 420         EXT4_SRC_DIR="$linux_src/fs/ext4"
 421 ], [
 422         # Kernel ext source provided by kernel-debuginfo-common package
 423         # that extracted to $LINUX
 424         linux_src=$(ls -1d $linux_src/../../debug/*/linux-${LINUXRELEASE%.*}* \
 425                 2>/dev/null | tail -1)
 426         AS_IF([test -e "$linux_src/fs/ext4/super.c"], [
 427                 EXT4_SRC_DIR="$linux_src/fs/ext4"
 428         ], [
 429                 # Kernel ext source provided by kernel-debuginfo-common package
 430                 linux_src=$(ls -1d /usr/src/debug/*/linux-${LINUXRELEASE%.*}* \
 431                         2>/dev/null | tail -1)
 432                 AS_IF([test -e "$linux_src/fs/ext4/super.c"], [
 433                         EXT4_SRC_DIR="$linux_src/fs/ext4"
 434                 ], [
 435                         EXT4_SRC_DIR=""
 436                 ])
 437         ])
 438 ])
 439 AC_MSG_RESULT([$EXT4_SRC_DIR])
 440 AC_SUBST(EXT4_SRC_DIR)
 441
 442 LB_VALIDATE_EXT4_SRC_DIR
 443 ]) # LB_EXT4_SRC_DIR
 444
 445 #
 446 # LB_DEFINE_E2FSPROGS_NAMES
 447 #
 448 # Enable the use of alternate naming of ldiskfs-enabled e2fsprogs package.
 449 #
 450 AC_DEFUN([LB_DEFINE_E2FSPROGS_NAMES], [
 451 AC_MSG_CHECKING([whether to use alternate names for e2fsprogs])
 452 AC_ARG_WITH([ldiskfsprogs],
 453         AC_HELP_STRING([--with-ldiskfsprogs],
 454                 [use alternate names for ldiskfs-enabled e2fsprogs]),
 455         [], [withval="no"])
 456
 457 AS_IF([test "x$withval" = xyes], [
 458         AC_MSG_RESULT([enabled])
 459         AC_DEFINE(HAVE_LDISKFSPROGS, 1, [enable use of ldiskfsprogs package])
 460         E2FSPROGS="ldiskfsprogs"
 461         MKE2FS="mkfs.ldiskfs"
 462         DEBUGFS="debugfs.ldiskfs"
 463         TUNE2FS="tunefs.ldiskfs"
 464         E2LABEL="label.ldiskfs"
 465         DUMPE2FS="dumpfs.ldiskfs"
 466         E2FSCK="fsck.ldiskfs"
 467         PFSCK="pfsck.ldiskfs"
 468 ], [
 469         AC_MSG_RESULT([disabled])
 470         E2FSPROGS="e2fsprogs"
 471         MKE2FS="mke2fs"
 472         DEBUGFS="debugfs"
 473         TUNE2FS="tune2fs"
 474         E2LABEL="e2label"
 475         DUMPE2FS="dumpe2fs"
 476         E2FSCK="e2fsck"
 477         PFSCK="fsck"
 478 ])
 479
 480 AC_DEFINE_UNQUOTED(E2FSPROGS, "$E2FSPROGS", [name of ldiskfs e2fsprogs package])
 481 AC_DEFINE_UNQUOTED(MKE2FS, "$MKE2FS", [name of ldiskfs mkfs program])
 482 AC_DEFINE_UNQUOTED(DEBUGFS, "$DEBUGFS", [name of ldiskfs debug program])
 483 AC_DEFINE_UNQUOTED(TUNE2FS, "$TUNE2FS", [name of ldiskfs tune program])
 484 AC_DEFINE_UNQUOTED(E2LABEL, "$E2LABEL", [name of ldiskfs label program])
 485 AC_DEFINE_UNQUOTED(DUMPE2FS,"$DUMPE2FS", [name of ldiskfs dump program])
 486 AC_DEFINE_UNQUOTED(E2FSCK, "$E2FSCK", [name of ldiskfs fsck program])
 487 AC_DEFINE_UNQUOTED(PFSCK, "$PFSCK", [name of parallel fsck program])
 488
 489 AC_SUBST([E2FSPROGS], [$E2FSPROGS])
 490 AC_SUBST([MKE2FS], [$MKE2FS])
 491 AC_SUBST([DEBUGFS], [$DEBUGFS])
 492 AC_SUBST([TUNE2FS], [$TUNE2FS])
 493 AC_SUBST([E2LABEL], [$E2LABEL])
 494 AC_SUBST([DUMPE2FS], [$DUMPE2FS])
 495 AC_SUBST([E2FSCK], [$E2FSCK])
 496 AC_SUBST([PFSCK], [$PFSCK])
 497 ]) # LB_DEFINE_E2FSPROGS_NAMES