ldiskfs/configure.ac

   1 # Process this file with autoconf to produce a configure script.
   2
   3 AC_INIT([Lustre ldiskfs], 3.0.8, [https://bugzilla.lustre.org/])
   4 AC_CONFIG_SRCDIR([lustre-ldiskfs.spec.in])
   5
   6 # Don't look for install-sh, etc. in ..
   7 AC_CONFIG_AUX_DIR([.])
   8
   9 AC_CANONICAL_SYSTEM
  10
  11 AM_INIT_AUTOMAKE
  12
  13 AC_PROG_CC
  14
  15 LB_CANONICAL_SYSTEM
  16 LB_INCLUDE_RULES
  17 LB_PROG_CC
  18
  19
  20 #
  21 # LC_TARGET_SUPPORTED
  22 #
  23 # is the target os supported?
  24 #
  25 AC_DEFUN([LC_TARGET_SUPPORTED],
  26 [case $target_os in
  27         linux* | darwin*)
  28 $1
  29                 ;;
  30         *)
  31 $2
  32                 ;;
  33 esac
  34 ])
  35
  36 AC_DEFUN([LC_KERNEL_WITH_EXT4],
  37 [if test -f $LINUX/fs/ext4/ext4.h ; then
  38 $1
  39 else
  40 $2
  41 fi
  42 ])
  43
  44 AC_MSG_CHECKING([whether to build kernel modules])
  45 AC_ARG_ENABLE([modules],
  46               AC_HELP_STRING([--disable-modules],
  47                              [disable building of Lustre kernel modules]),[],
  48                              [LC_TARGET_SUPPORTED([enable_modules='yes'],
  49                              [enable_modules='no'])])
  50 AC_MSG_RESULT([$enable_modules])
  51
  52 if test x$enable_modules = xyes ; then
  53         LB_PROG_LINUX
  54 if test x$linux25 = xyes ; then
  55         LB_LINUX_MODPOST
  56 fi
  57 fi
  58
  59 LB_CONFIG_HEADERS
  60
  61 # These allow Lustre Makefiles and autoMakefiles to be used unchanged.
  62 AM_CONDITIONAL(MODULES, true)
  63 AM_CONDITIONAL(LINUX, true)
  64 AM_CONDITIONAL(DARWIN, true)
  65 AM_CONDITIONAL(LINUX25, true)
  66
  67 LDISKFSDIR="$PWD/ldiskfs"
  68 AC_SUBST(LDISKFSDIR)
  69
  70 AC_MSG_CHECKING([whether to enable quilt for making ldiskfs])
  71 AC_ARG_ENABLE([quilt],
  72               AC_HELP_STRING([--disable-quilt],
  73                              [disable use of quilt for ldiskfs]),[],
  74                              [enable_quilt='yes'])
  75 AC_MSG_RESULT([$enable_quilt])
  76
  77 AC_PATH_PROG(PATCH, patch, [no])
  78
  79 if test x$enable_quilt = xno ; then
  80     QUILT="no"
  81 else
  82     AC_PATH_PROG(QUILT, quilt, [no])
  83 fi
  84
  85 if test x$enable_ldiskfs$PATCH$QUILT = xyesnono ; then
  86         AC_MSG_ERROR([Quilt or patch are needed to build the ldiskfs module])
  87 fi
  88
  89 AM_CONDITIONAL(USE_QUILT, test x$QUILT != xno)
  90
  91 LB_DEFINE_LDISKFS_OPTIONS
  92
  93 AC_MSG_CHECKING([whether to build ldisk base on ext4])
  94 AC_ARG_ENABLE([ext4],
  95               AC_HELP_STRING([--disable-ext4],
  96                              [disable building of ldiskfs base on ext4]),[],
  97                              [LC_KERNEL_WITH_EXT4([enable_ext4='yes'],
  98                              [enable_ext4='no'])])
  99 AC_MSG_RESULT([$enable_ext4])
 100
 101 if test x$enable_ext4 = xyes ; then
 102         BACKFS=ext4
 103 else
 104         BACKFS=ext3
 105 fi
 106 AC_SUBST(BACKFS)
 107 BACKFSU=${BACKFS/ext/EXT}
 108 AC_SUBST(BACKFSU) # We need a Upper string
 109
 110 AM_CONDITIONAL(USE_EXT4, test x$enable_ext4 = xyes)
 111
 112 AC_MSG_CHECKING([which ldiskfs series to use])
 113 case $LINUXRELEASE in
 114 2.6.5*) LDISKFS_SERIES="2.6-suse.series" ;;
 115 2.6.9*) LDISKFS_SERIES="2.6-rhel4.series" ;;
 116 2.6.10-ac*) LDISKFS_SERIES="2.6-fc3.series" ;;
 117 2.6.10*) LDISKFS_SERIES="2.6-rhel4.series" ;;
 118 2.6.12*) LDISKFS_SERIES="2.6.12-vanilla.series" ;;
 119 2.6.15*) LDISKFS_SERIES="2.6-fc5.series";;
 120 2.6.16*) LDISKFS_SERIES="2.6-sles10.series";;
 121 2.6.18*)
 122         if test x$RHEL_KENEL = xyes; then
 123                 if test x$enable_ext4 = xyes; then
 124                         LDISKFS_SERIES="2.6-rhel5-ext4.series"
 125                 else
 126                         LDISKFS_SERIES="2.6-rhel5.series"
 127                 fi
 128         else
 129                 LDISKFS_SERIES="2.6.18-vanilla.series"
 130         fi
 131         ;;
 132 2.6.22*) LDISKFS_SERIES="2.6.22-vanilla.series";;
 133 2.6.27*) LDISKFS_SERIES="2.6.27-vanilla.series";;
 134 *) AC_MSG_WARN([Unknown kernel version $LINUXRELEASE, fix ldiskfs/configure.ac])
 135 esac
 136 AC_MSG_RESULT([$LDISKFS_SERIES])
 137 AC_SUBST(LDISKFS_SERIES)
 138
 139 AC_SUBST(ac_configure_args)
 140
 141 LB_CHECK_SYMBOL_EXPORT([d_rehash_cond],
 142                        [fs/dcache.c],
 143                        [AC_DEFINE(HAVE_D_REHASH_COND, 1,
 144                                   [d_rehash_cond is exported by the kernel])],
 145                                   [])
 146
 147 LB_CHECK_SYMBOL_EXPORT([__d_rehash],
 148                        [fs/dcache.c],
 149                        [AC_DEFINE(HAVE___D_REHASH, 1,
 150                                   [__d_rehash is exported by the kernel])],
 151                                   [])
 152
 153 LB_CHECK_SYMBOL_EXPORT([d_move_locked],
 154                        [fs/dcache.c],
 155                        [AC_DEFINE(HAVE_D_MOVE_LOCKED, 1,
 156                                   [d_move_locked is exported by the kernel])],
 157                                   [])
 158
 159 LB_CHECK_SYMBOL_EXPORT([__d_move],
 160                        [fs/dcache.c],
 161                        [AC_DEFINE(HAVE___D_MOVE, 1,
 162                                   [__d_move exported by the kernel])],
 163                                   [])
 164
 165 LB_CONFIG_FILES
 166 AC_CONFIG_FILES([ldiskfs/autoMakefile ldiskfs/Makefile])
 167
 168 MOSTLYCLEANFILES='.*.cmd .*.flags *.o *.ko *.mod.c .depend .*.1.* Modules.symvers Module.symvers'
 169 AC_SUBST(MOSTLYCLEANFILES)
 170
 171 AC_OUTPUT