config/lustre-build-ldiskfs.m4

   1 AC_DEFUN([LDISKFS_LINUX_SERIES],
   2 [
   3 LDISKFS_SERIES=
   4 AC_MSG_CHECKING([which ldiskfs series to use])
   5
   6 SER=
   7 AS_IF([test x$RHEL_KERNEL = xyes], [
   8         AS_VERSION_COMPARE([$RHEL_KERNEL_VERSION],[2.6.32-343],[
   9         AS_VERSION_COMPARE([$RHEL_KERNEL_VERSION],[2.6.32],[],
  10         [SER="2.6-rhel6.series"],[SER="2.6-rhel6.series"])],
  11         [SER="2.6-rhel6.4.series"],[SER="2.6-rhel6.4.series"])
  12 ], [test x$SUSE_KERNEL = xyes], [
  13         AS_VERSION_COMPARE([$LINUXRELEASE],[3.0.0],[
  14         AS_VERSION_COMPARE([$LINUXRELEASE],[2.6.32],[],
  15         [SER="2.6-sles11.series"],[SER="2.6-sles11.series"])],
  16         [SER="3.0-sles11.series"],[
  17                 PLEV=$(grep PATCHLEVEL /etc/SuSE-release | sed -e 's/.*= *//')
  18                 case $PLEV in
  19                 2) SER="3.0-sles11.series"
  20                         ;;
  21                 3) SER="3.0-sles11sp3.series"
  22                         ;;
  23                 esac
  24         ])
  25 ])
  26 LDISKFS_SERIES=$SER
  27
  28 AS_IF([test -z "$LDISKFS_SERIES"],
  29         [AC_MSG_WARN([Unknown kernel version $LDISKFS_VERSIONRELEASE])])
  30 AC_MSG_RESULT([$LDISKFS_SERIES])
  31
  32 AC_SUBST(LDISKFS_SERIES)
  33 ])
  34
  35 #
  36 # 2.6.32-rc7 ext4_free_blocks requires struct buffer_head
  37 #
  38 AC_DEFUN([LB_EXT_FREE_BLOCKS_WITH_BUFFER_HEAD],
  39 [AC_MSG_CHECKING([if ext4_free_blocks needs struct buffer_head])
  40  LB_LINUX_TRY_COMPILE([
  41         #include <linux/fs.h>
  42         #include "$EXT4_SRC_DIR/ext4.h"
  43 ],[
  44         ext4_free_blocks(NULL, NULL, NULL, 0, 0, 0);
  45 ],[
  46         AC_MSG_RESULT([yes])
  47         AC_DEFINE(HAVE_EXT_FREE_BLOCK_WITH_BUFFER_HEAD, 1,
  48                   [ext4_free_blocks do not require struct buffer_head])
  49 ],[
  50         AC_MSG_RESULT([no])
  51 ])
  52 ])
  53
  54 #
  55 # 2.6.35 renamed ext_pblock to ext4_ext_pblock(ex)
  56 #
  57 AC_DEFUN([LB_EXT_PBLOCK],
  58 [AC_MSG_CHECKING([if kernel has ext_pblocks])
  59  LB_LINUX_TRY_COMPILE([
  60         #include <linux/fs.h>
  61         #include "$EXT4_SRC_DIR/ext4_extents.h"
  62 ],[
  63         ext_pblock(NULL);
  64 ],[
  65         AC_MSG_RESULT([yes])
  66         AC_DEFINE(HAVE_EXT_PBLOCK, 1,
  67                   [kernel has ext_pblocks])
  68 ],[
  69         AC_MSG_RESULT([no])
  70 ])
  71 ])
  72
  73 #
  74 # LDISKFS_AC_PATCH_PROGRAM
  75 #
  76 # Determine which program should be used to apply the patches to
  77 # the ext4 source code to produce the ldiskfs source code.
  78 #
  79 AC_DEFUN([LDISKFS_AC_PATCH_PROGRAM], [
  80         AC_ARG_ENABLE([quilt],
  81                 [AC_HELP_STRING([--disable-quilt],
  82                         [disable use of quilt for ldiskfs])],
  83                 [AS_IF([test "x$enableval" = xno],
  84                         [use_quilt=no],
  85                         [use_quilt=maybe])],
  86                 [use_quilt=maybe]
  87         )
  88
  89         AS_IF([test x$use_quilt = xmaybe], [
  90                 AC_PATH_PROG([quilt_avail], [quilt], [no])
  91                 AS_IF([test x$quilt_avail = xno], [
  92                         use_quilt=no
  93                 ], [
  94                         use_quilt=yes
  95                 ])
  96         ])
  97
  98         AS_IF([test x$use_quilt = xno], [
  99                 AC_PATH_PROG([patch_avail], [patch], [no])
 100                 AS_IF([test x$patch_avail = xno], [
 101                         AC_MSG_ERROR([*** Need "quilt" or "patch" command])
 102                 ])
 103         ])
 104 ])
 105
 106 #
 107 # LB_CONDITIONAL_LDISKFS
 108 #
 109 AC_DEFUN([LB_CONFIG_LDISKFS],
 110 [
 111 # --with-ldiskfs is deprecated now that ldiskfs is fully merged with lustre.
 112 # However we continue to support this option through Lustre 2.5.
 113 AC_ARG_WITH([ldiskfs],
 114         [],
 115         [AC_MSG_WARN([--with-ldiskfs is deprecated, please use --enable-ldiskfs])
 116         AS_IF([test x$withval != xyes -a x$withval != xno],
 117                 [AC_MSG_ERROR([the ldiskfs option is deprecated, and
 118                         no longer supports paths to external ldiskfs source])])
 119         ]
 120 )
 121
 122 AC_ARG_ENABLE([ldiskfs],
 123         [AS_HELP_STRING([--disable-ldiskfs],
 124                 [disable ldiskfs osd (default is enable)])],
 125         [AS_IF([test x$enable_ldiskfs != xyes -a x$enable_ldiskfs != xno],
 126                 [AC_MSG_ERROR([ldiskfs valid options are "yes" or "no"])])],
 127         [AS_IF([test "${with_ldiskfs+set}" = set],
 128                 [enable_ldiskfs=$with_ldiskfs],
 129                 [enable_ldiskfs=maybe])
 130         ]
 131 )
 132
 133 AS_IF([test x$enable_server = xno],
 134         [AS_CASE([$enable_ldiskfs],
 135                 [maybe], [enable_ldiskfs=no],
 136                 [yes], [AC_MSG_ERROR([cannot build ldiskfs when servers are disabled])]
 137         )]
 138 )
 139
 140 AS_IF([test x$enable_ldiskfs != xno],[
 141         # In the future, we chould change enable_ldiskfs from maybe to
 142         # either yes or no based on additional tests, e.g.  whether a patch
 143         # set is available for the detected kernel.  For now, we just always
 144         # set it to "yes".
 145         AS_IF([test x$enable_ldiskfs = xmaybe], [enable_ldiskfs=yes])
 146
 147         LDISKFS_LINUX_SERIES
 148         LDISKFS_AC_PATCH_PROGRAM
 149         LB_EXT_FREE_BLOCKS_WITH_BUFFER_HEAD
 150         LB_EXT_PBLOCK
 151         AC_DEFINE(CONFIG_LDISKFS_FS_POSIX_ACL, 1, [posix acls for ldiskfs])
 152         AC_DEFINE(CONFIG_LDISKFS_FS_SECURITY, 1, [fs security for ldiskfs])
 153         AC_DEFINE(CONFIG_LDISKFS_FS_XATTR, 1, [extened attributes for ldiskfs])
 154         AC_DEFINE(CONFIG_LDISKFS_FS_RW, 1, [enable rw access for ldiskfs])
 155         AC_SUBST(LDISKFS_SUBDIR, ldiskfs)
 156         AC_DEFINE(HAVE_LDISKFS_OSD, 1, Enable ldiskfs osd)
 157 ])
 158
 159 AC_MSG_CHECKING([whether to build ldiskfs])
 160 AC_MSG_RESULT([$enable_ldiskfs])
 161
 162 AM_CONDITIONAL([LDISKFS_ENABLED], [test x$enable_ldiskfs = xyes])
 163 ])
 164
 165 #
 166 # LB_VALIDATE_EXT4_SRC_DIR
 167 #
 168 # Spot check the existance of several source files common to ext4.
 169 # Detecting this at configure time allows us to avoid a potential build
 170 # failure and provide a useful error message to explain what is wrong.
 171 #
 172 AC_DEFUN([LB_VALIDATE_EXT4_SRC_DIR],
 173 [
 174 if test x$EXT4_SRC_DIR = x; then
 175         enable_ldiskfs_build='no'
 176 else
 177         LB_CHECK_FILE([$EXT4_SRC_DIR/dir.c], [], [
 178                 enable_ldiskfs_build='no'
 179                 AC_MSG_WARN([ext4 must exist for ldiskfs build])])
 180         LB_CHECK_FILE([$EXT4_SRC_DIR/file.c], [], [
 181                 enable_ldiskfs_build='no'
 182                 AC_MSG_WARN([ext4 must exist for ldiskfs build])])
 183         LB_CHECK_FILE([$EXT4_SRC_DIR/inode.c], [], [
 184                 enable_ldiskfs_build='no'
 185                 AC_MSG_WARN([ext4 must exist for ldiskfs build])])
 186         LB_CHECK_FILE([$EXT4_SRC_DIR/super.c], [], [
 187                 enable_ldiskfs_build='no'
 188                 AC_MSG_WARN([ext4 must exist for ldiskfs build])])
 189 fi
 190
 191 if test x$enable_ldiskfs_build = xno; then
 192         enable_ldiskfs='no'
 193
 194         AC_MSG_WARN([
 195
 196 Disabling ldiskfs support because complete ext4 source does not exist.
 197
 198 If you are building using kernel-devel packages and require ldiskfs
 199 server support then ensure that the matching kernel-debuginfo-common
 200 and kernel-debuginfo-common-<arch> packages are installed.
 201
 202 ])
 203
 204 fi
 205 ])
 206
 207 #
 208 # LB_EXT4_SRC_DIR
 209 #
 210 # Determine the location of the ext4 source code.  It it required
 211 # for several configure tests and to build ldiskfs.
 212 #
 213 AC_DEFUN([LB_EXT4_SRC_DIR],
 214 [
 215 # Kernel ext source located with devel headers
 216 linux_src=$LINUX
 217 if test -e "$linux_src/fs/ext4/super.c"; then
 218         EXT4_SRC_DIR=$linux_src/fs/ext4
 219 else
 220         # Kernel ext source provided by kernel-debuginfo-common package
 221         linux_src=$(ls -1d /usr/src/debug/*/linux-$LINUXRELEASE \
 222                 2>/dev/null | tail -1)
 223         if test -e "$linux_src/fs/ext4/super.c"; then
 224                 EXT4_SRC_DIR=$linux_src/fs/ext4
 225         else
 226                 EXT4_SRC_DIR=
 227         fi
 228 fi
 229
 230 AC_MSG_CHECKING([ext4 source directory])
 231 AC_MSG_RESULT([$EXT4_SRC_DIR])
 232 AC_SUBST(EXT4_SRC_DIR)
 233
 234 LB_VALIDATE_EXT4_SRC_DIR
 235 ])
 236
 237 #
 238 # LB_DEFINE_E2FSPROGS_NAMES
 239 #
 240 # Enable the use of alternate naming of ldiskfs-enabled e2fsprogs package.
 241 #
 242 AC_DEFUN([LB_DEFINE_E2FSPROGS_NAMES],
 243 [
 244 AC_ARG_WITH([ldiskfsprogs],
 245         AC_HELP_STRING([--with-ldiskfsprogs],
 246                        [use alternate names for ldiskfs-enabled e2fsprogs]),
 247         [],[withval='no'])
 248
 249 AC_MSG_CHECKING([whether to use alternate names for e2fsprogs])
 250 if test x$withval = xyes ; then
 251         AC_DEFINE(HAVE_LDISKFSPROGS, 1, [enable use of ldiskfsprogs package])
 252         E2FSPROGS="ldiskfsprogs"
 253         MKE2FS="mkfs.ldiskfs"
 254         DEBUGFS="debugfs.ldiskfs"
 255         TUNE2FS="tunefs.ldiskfs"
 256         E2LABEL="label.ldiskfs"
 257         DUMPE2FS="dumpfs.ldiskfs"
 258         E2FSCK="fsck.ldiskfs"
 259         PFSCK="pfsck.ldiskfs"
 260         AC_MSG_RESULT([enabled])
 261 else
 262         E2FSPROGS="e2fsprogs"
 263         MKE2FS="mke2fs"
 264         DEBUGFS="debugfs"
 265         TUNE2FS="tune2fs"
 266         E2LABEL="e2label"
 267         DUMPE2FS="dumpe2fs"
 268         E2FSCK="e2fsck"
 269         PFSCK="fsck"
 270         AC_MSG_RESULT([disabled])
 271 fi
 272
 273 AC_DEFINE_UNQUOTED(E2FSPROGS, "$E2FSPROGS", [name of ldiskfs e2fsprogs package])
 274 AC_DEFINE_UNQUOTED(MKE2FS, "$MKE2FS", [name of ldiskfs mkfs program])
 275 AC_DEFINE_UNQUOTED(DEBUGFS, "$DEBUGFS", [name of ldiskfs debug program])
 276 AC_DEFINE_UNQUOTED(TUNE2FS, "$TUNE2FS", [name of ldiskfs tune program])
 277 AC_DEFINE_UNQUOTED(E2LABEL, "$E2LABEL", [name of ldiskfs label program])
 278 AC_DEFINE_UNQUOTED(DUMPE2FS,"$DUMPE2FS", [name of ldiskfs dump program])
 279 AC_DEFINE_UNQUOTED(E2FSCK, "$E2FSCK", [name of ldiskfs fsck program])
 280 AC_DEFINE_UNQUOTED(PFSCK, "$PFSCK", [name of parallel fsck program])
 281
 282 AC_SUBST([E2FSPROGS], [$E2FSPROGS])
 283 AC_SUBST([MKE2FS], [$MKE2FS])
 284 AC_SUBST([DEBUGFS], [$DEBUGFS])
 285 AC_SUBST([TUNE2FS], [$TUNE2FS])
 286 AC_SUBST([E2LABEL], [$E2LABEL])
 287 AC_SUBST([DUMPE2FS], [$DUMPE2FS])
 288 AC_SUBST([E2FSCK], [$E2FSCK])
 289 AC_SUBST([PFSCK], [$PFSCK])
 290 ])