lustre-core.m4

lustre 1.6.5 source code

],[
])
])

AC_DEFUN([LC_EXPORT___D_MOVE],
[LB_CHECK_SYMBOL_EXPORT([__d_move],
[fs/dcache.c],[
AC_DEFINE(HAVE___D_MOVE, 1,
            [__d_move is exported by the kernel])
],[
])
])

# The actual symbol exported varies among architectures, so we need
# to check many symbols (but only in the current architecture.)  No
# matter what symbol is exported, the kernel #defines node_to_cpumask
# to the appropriate function and that's what we use.
AC_DEFUN([LC_EXPORT_NODE_TO_CPUMASK],
         [LB_LINUX_ARCH
          LB_CHECK_SYMBOL_EXPORT([node_to_cpumask],
                                 [arch/$LINUX_ARCH/mm/numa.c],
                                 [AC_DEFINE(HAVE_NODE_TO_CPUMASK, 1,
                                            [node_to_cpumask is exported by
                                             the kernel])]) # x86_64
          LB_CHECK_SYMBOL_EXPORT([node_to_cpu_mask],
                                 [arch/$LINUX_ARCH/kernel/smpboot.c],
                                 [AC_DEFINE(HAVE_NODE_TO_CPUMASK, 1,
                                            [node_to_cpumask is exported by
                                             the kernel])]) # ia64
          LB_CHECK_SYMBOL_EXPORT([node_2_cpu_mask],
                                 [arch/$LINUX_ARCH/kernel/smpboot.c],
                                 [AC_DEFINE(HAVE_NODE_TO_CPUMASK, 1,
                                            [node_to_cpumask is exported by
                                             the kernel])]) # i386
          ])

#
# LC_VFS_INTENT_PATCHES
#
# check if the kernel has the VFS intent patches
AC_DEFUN([LC_VFS_INTENT_PATCHES],
[AC_MSG_CHECKING([if the kernel has the VFS intent patches])
LB_LINUX_TRY_COMPILE([
	#include <linux/fs.h>
        #include <linux/namei.h>
],[
        struct nameidata nd;
        struct lookup_intent *it;

        it = &nd.intent;
        intent_init(it, IT_OPEN);
        it->d.lustre.it_disposition = 0;
        it->d.lustre.it_data = NULL;
],[
        AC_MSG_RESULT([yes])
        AC_DEFINE(HAVE_VFS_INTENT_PATCHES, 1, [VFS intent patches are applied])
],[
        AC_MSG_RESULT([no])
])
])

# 2.6.22 lost second parameter for invalidate_bdev
AC_DEFUN([LC_INVALIDATE_BDEV_2ARG],
[AC_MSG_CHECKING([if invalidate_bdev has second argument])
LB_LINUX_TRY_COMPILE([
        #include <linux/buffer_head.h>
],[
        invalidate_bdev(NULL,0);
],[
        AC_MSG_RESULT([yes])
        AC_DEFINE(HAVE_INVALIDATE_BDEV_2ARG, 1,
                [invalidate_bdev has second argument])
],[
        AC_MSG_RESULT([no])
])
])

# 2.6.23 have return type 'void' for unregister_blkdev
AC_DEFUN([LC_UNREGISTER_BLKDEV_RETURN_INT],
[AC_MSG_CHECKING([if unregister_blkdev return int])
LB_LINUX_TRY_COMPILE([
        #include <linux/fs.h>
],[
        int i = unregister_blkdev(0,NULL);
],[
        AC_MSG_RESULT([yes])
        AC_DEFINE(HAVE_UNREGISTER_BLKDEV_RETURN_INT, 1, 
                [unregister_blkdev return int])
],[
        AC_MSG_RESULT([no])
])
])

# 2.6.23 change .sendfile to .splice_read
AC_DEFUN([LC_KERNEL_SPLICE_READ],
[AC_MSG_CHECKING([if kernel has .splice_read])
LB_LINUX_TRY_COMPILE([
        #include <linux/fs.h>
],[
        struct file_operations file;

        file.splice_read = NULL;
], [
        AC_MSG_RESULT([yes])
        AC_DEFINE(HAVE_KERNEL_SPLICE_READ, 1,
                [kernel has .slice_read])
],[
        AC_MSG_RESULT([no])
])
])

# 2.6.23 extract nfs export related data into exportfs.h
AC_DEFUN([LC_HAVE_EXPORTFS_H],
[
tmpfl="$CFLAGS"
CFLAGS="$CFLAGS -I$LINUX_OBJ/include"
AC_CHECK_HEADERS([linux/exportfs.h])
CFLAGS="$tmpfl"
])

#
# LC_PROG_LINUX
#
# Lustre linux kernel checks
#
AC_DEFUN([LC_PROG_LINUX],
         [LC_LUSTRE_VERSION_H
          if test x$enable_server = xyes ; then
              LC_CONFIG_BACKINGFS
          fi
          LC_CONFIG_PINGER
          LC_CONFIG_CHECKSUM
          LC_CONFIG_LIBLUSTRE_RECOVERY
          LC_CONFIG_QUOTA
          LC_CONFIG_HEALTH_CHECK_WRITE
          LC_CONFIG_LRU_RESIZE
          LC_CONFIG_ADAPTIVE_TIMEOUTS

          LC_TASK_PPTR
          # RHEL4 patches
          LC_EXPORT_TRUNCATE_COMPLETE
          LC_EXPORT_D_REHASH_COND
          LC_EXPORT___D_REHASH
          LC_EXPORT_D_MOVE_LOCKED
          LC_EXPORT___D_MOVE
          LC_EXPORT_NODE_TO_CPUMASK

          LC_STRUCT_KIOBUF
          LC_FUNC_COND_RESCHED
          LC_FUNC_ZAP_PAGE_RANGE
          LC_FUNC_PDE
          LC_FUNC_DIRECT_IO
          LC_HEADER_MM_INLINE
          LC_STRUCT_INODE
          LC_FUNC_REGISTER_CACHE
          LC_FUNC_GRAB_CACHE_PAGE_NOWAIT_GFP
          LC_FUNC_DEV_SET_RDONLY
          LC_FUNC_FILEMAP_FDATAWRITE
          LC_STRUCT_STATFS
          LC_FUNC_PAGE_MAPPED
          LC_STRUCT_FILE_OPS_UNLOCKED_IOCTL
          LC_FILEMAP_POPULATE
          LC_D_ADD_UNIQUE
          LC_BIT_SPINLOCK_H
          LC_XATTR_ACL
          LC_STRUCT_INTENT_FILE
          LC_POSIX_ACL_XATTR_H
          LC_EXPORT___IGET
          LC_FUNC_SET_FS_PWD
          LC_FUNC_MS_FLOCK_LOCK
          LC_FUNC_HAVE_CAN_SLEEP_ARG
          LC_FUNC_F_OP_FLOCK
          LC_QUOTA_READ
          LC_COOKIE_FOLLOW_LINK
          LC_FUNC_RCU

          # does the kernel have VFS intent patches?
          LC_VFS_INTENT_PATCHES

          # 2.6.15
          LC_INODE_I_MUTEX

          # SLES 10 (at least)
          LC_SYMVERFILE

          # 2.6.17
          LC_DQUOTOFF_MUTEX

          # 2.6.18
          LC_NR_PAGECACHE
          LC_STATFS_DENTRY_PARAM
          LC_VFS_KERN_MOUNT
          LC_INVALIDATEPAGE_RETURN_INT
          LC_UMOUNTBEGIN_HAS_VFSMOUNT

          #2.6.18 + RHEL5 (fc6)
          LC_PG_FS_MISC
          LC_PAGE_CHECKED

          # 2.6.19
          LC_INODE_BLKSIZE
          LC_VFS_READDIR_U64_INO
          LC_FILE_WRITEV
          LC_FILE_READV

          # 2.6.20
          LC_CANCEL_DIRTY_PAGE

          # raid5-zerocopy patch
          LC_PAGE_CONSTANT
	  
	  # 2.6.22
          LC_INVALIDATE_BDEV_2ARG
          # 2.6.23
          LC_UNREGISTER_BLKDEV_RETURN_INT
          LC_KERNEL_SPLICE_READ
          LC_HAVE_EXPORTFS_H
])

#
# LC_CONFIG_CLIENT_SERVER
#
# Build client/server sides of Lustre
#
AC_DEFUN([LC_CONFIG_CLIENT_SERVER],
[AC_MSG_CHECKING([whether to build Lustre server support])
AC_ARG_ENABLE([server],
	AC_HELP_STRING([--disable-server],
			[disable Lustre server support]),
	[],[enable_server='yes'])
AC_MSG_RESULT([$enable_server])

AC_MSG_CHECKING([whether to build Lustre client support])
AC_ARG_ENABLE([client],
	AC_HELP_STRING([--disable-client],
			[disable Lustre client support]),
	[],[enable_client='yes'])
AC_MSG_RESULT([$enable_client])])

#
# LC_CONFIG_LIBLUSTRE
#
# whether to build liblustre
#
AC_DEFUN([LC_CONFIG_LIBLUSTRE],
[AC_MSG_CHECKING([whether to build Lustre library])
AC_ARG_ENABLE([liblustre],
	AC_HELP_STRING([--disable-liblustre],
			[disable building of Lustre library]),
	[],[enable_liblustre=$with_sysio])
AC_MSG_RESULT([$enable_liblustre])
# only build sysio if liblustre is built
with_sysio="$enable_liblustre"

AC_MSG_CHECKING([whether to build liblustre tests])
AC_ARG_ENABLE([liblustre-tests],
	AC_HELP_STRING([--enable-liblustre-tests],
			[enable liblustre tests, if --disable-tests is used]),
	[],[enable_liblustre_tests=$enable_tests])
if test x$enable_liblustre != xyes ; then
   enable_liblustre_tests='no'
fi
AC_MSG_RESULT([$enable_liblustre_tests])

AC_MSG_CHECKING([whether to enable liblustre acl])
AC_ARG_ENABLE([liblustre-acl],
	AC_HELP_STRING([--disable-liblustre-acl],
			[disable ACL support for liblustre]),
	[],[enable_liblustre_acl=yes])
AC_MSG_RESULT([$enable_liblustre_acl])
if test x$enable_liblustre_acl = xyes ; then
  AC_DEFINE(LIBLUSTRE_POSIX_ACL, 1, Liblustre Support ACL-enabled MDS)
fi

AC_MSG_CHECKING([whether to build mpitests])
AC_ARG_ENABLE([mpitests],
	AC_HELP_STRING([--enable-mpitests],
			[build liblustre mpi tests]),
	[],[enable_mpitests=no])
AC_MSG_RESULT([$enable_mpitests])

AC_MSG_NOTICE([Enabling Lustre configure options for libsysio])
ac_configure_args="$ac_configure_args --with-lustre-hack --with-sockets"

LC_CONFIG_PINGER
LC_CONFIG_LIBLUSTRE_RECOVERY
])

AC_DEFUN([LC_CONFIG_LRU_RESIZE],
[AC_MSG_CHECKING([whether to enable lru self-adjusting])
AC_ARG_ENABLE([lru_resize], 
	AC_HELP_STRING([--enable-lru-resize],
			[enable lru resize support]),
	[],[enable_lru_resize='yes'])
AC_MSG_RESULT([$enable_lru_resize])
if test x$enable_lru_resize != xno; then
   AC_DEFINE(HAVE_LRU_RESIZE_SUPPORT, 1, [Enable lru resize support])
fi
])

AC_DEFUN([LC_CONFIG_ADAPTIVE_TIMEOUTS],
[AC_MSG_CHECKING([whether to enable ptlrpc adaptive timeouts support])
AC_ARG_ENABLE([adaptive_timeouts],
	AC_HELP_STRING([--enable-adaptive-timeouts],
			[enable ptlrpc adaptive timeouts support]),
	[],[enable_adaptive_timeouts='no'])
AC_MSG_RESULT([$enable_adaptive_timeouts])
if test x$enable_adaptive_timeouts == xyes; then
   AC_DEFINE(HAVE_AT_SUPPORT, 1, [Enable adaptive timeouts support])
fi
])

#
# LC_CONFIG_QUOTA
#
# whether to enable quota support
#
AC_DEFUN([LC_CONFIG_QUOTA],
[AC_MSG_CHECKING([whether to enable quota support])
AC_ARG_ENABLE([quota], 
	AC_HELP_STRING([--enable-quota],
			[enable quota support]),
	[],[enable_quota='yes'])
AC_MSG_RESULT([$enable_quota])
if test x$linux25 != xyes; then
   enable_quota='no'
fi
if test x$enable_quota != xno; then
   AC_DEFINE(HAVE_QUOTA_SUPPORT, 1, [Enable quota support])
fi
])
  
AC_DEFUN([LC_QUOTA_READ],
[AC_MSG_CHECKING([if kernel supports quota_read])
LB_LINUX_TRY_COMPILE([
	#include <linux/fs.h>
],[
	struct super_operations sp;
        void *i = (void *)sp.quota_read;
],[
	AC_MSG_RESULT([yes])
	AC_DEFINE(KERNEL_SUPPORTS_QUOTA_READ, 1, [quota_read found])
],[
	AC_MSG_RESULT([no])
])
])

#
# LC_COOKIE_FOLLOW_LINK
#
# kernel 2.6.13+ ->follow_link returns a cookie
#

AC_DEFUN([LC_COOKIE_FOLLOW_LINK],
[AC_MSG_CHECKING([if inode_operations->follow_link returns a cookie])
LB_LINUX_TRY_COMPILE([
        #include <linux/fs.h>
        #include <linux/namei.h>
],[
        struct dentry dentry;
        struct nameidata nd;

        dentry.d_inode->i_op->put_link(&dentry, &nd, NULL);
],[
        AC_DEFINE(HAVE_COOKIE_FOLLOW_LINK, 1, [inode_operations->follow_link returns a cookie])
        AC_MSG_RESULT([yes])
],[
        AC_MSG_RESULT([no])
])
])

#
# LC_FUNC_RCU
#
# kernels prior than 2.6.0(?) have no RCU supported; in kernel 2.6.5(SUSE), 
# call_rcu takes three parameters.
#
AC_DEFUN([LC_FUNC_RCU],
[AC_MSG_CHECKING([if kernel have RCU supported])
LB_LINUX_TRY_COMPILE([
        #include <linux/rcupdate.h>
],[],[
        AC_DEFINE(HAVE_RCU, 1, [have RCU defined])
        AC_MSG_RESULT([yes])

        AC_MSG_CHECKING([if call_rcu takes three parameters])
        LB_LINUX_TRY_COMPILE([
                #include <linux/rcupdate.h>
        ],[
                struct rcu_head rh;
                call_rcu(&rh, (void (*)(struct rcu_head *))1, NULL);
        ],[
                AC_DEFINE(HAVE_CALL_RCU_PARAM, 1, [call_rcu takes three parameters])
                AC_MSG_RESULT([yes])
        ],[
                AC_MSG_RESULT([no]) 
        ])
],[
        AC_MSG_RESULT([no])
])
])

#
# LC_CONFIGURE
#
# other configure checks
#
AC_DEFUN([LC_CONFIGURE],
[LC_CONFIG_OBD_BUFFER_SIZE

# include/liblustre.h
AC_CHECK_HEADERS([asm/page.h sys/user.h sys/vfs.h stdint.h blkid/blkid.h])

# include/lustre/lustre_user.h
# See note there re: __ASM_X86_64_PROCESSOR_H
AC_CHECK_HEADERS([linux/fs.h linux/quota.h])

# liblustre/llite_lib.h
AC_CHECK_HEADERS([xtio.h file.h])

# liblustre/dir.c
AC_CHECK_HEADERS([linux/types.h sys/types.h linux/unistd.h unistd.h])

# liblustre/lutil.c
AC_CHECK_HEADERS([netinet/in.h arpa/inet.h catamount/data.h])
AC_CHECK_FUNCS([inet_ntoa])

# libsysio/src/readlink.c
LC_READLINK_SSIZE_T

# lvfs/prng.c - depends on linux/types.h from liblustre/dir.c
AC_CHECK_HEADERS([linux/random.h], [], [],
                 [#ifdef HAVE_LINUX_TYPES_H
                  # include <linux/types.h>
                  #endif
                 ])

# utils/llverfs.c
AC_CHECK_HEADERS([ext2fs/ext2fs.h])

# check for -lz support
ZLIB=""
AC_CHECK_LIB([z],
             [adler32],
             [AC_CHECK_HEADERS([zlib.h],
                               [ZLIB="-lz"
                                AC_DEFINE([HAVE_ADLER], 1,
                                          [support alder32 checksum type])],
                               [AC_MSG_WARN([No zlib-devel package found,
                                             unable to use adler32 checksum])])],
             [AC_MSG_WARN([No zlib package found, unable to use adler32 checksum])]
)
AC_SUBST(ZLIB)

# Super safe df
AC_ARG_ENABLE([mindf],
      AC_HELP_STRING([--enable-mindf],
                      [Make statfs report the minimum available space on any single OST instead of the sum of free space on all OSTs]),
      [],[])
if test "$enable_mindf" = "yes" ;  then
      AC_DEFINE([MIN_DF], 1, [Report minimum OST free space])
fi

AC_ARG_ENABLE([fail_alloc],
        AC_HELP_STRING([--disable-fail-alloc],
                [disable randomly alloc failure]),
        [],[enable_fail_alloc=yes])
AC_MSG_CHECKING([whether to randomly failing memory alloc])
AC_MSG_RESULT([$enable_fail_alloc])
if test x$enable_fail_alloc != xno ; then
        AC_DEFINE([RANDOM_FAIL_ALLOC], 1, [enable randomly alloc failure])
fi

])

#
# LC_CONDITIONALS
#
# AM_CONDITIONALS for lustre
#
AC_DEFUN([LC_CONDITIONALS],
[AM_CONDITIONAL(LIBLUSTRE, test x$enable_liblustre = xyes)
AM_CONDITIONAL(USE_QUILT, test x$QUILT != xno)
AM_CONDITIONAL(LIBLUSTRE_TESTS, test x$enable_liblustre_tests = xyes)
AM_CONDITIONAL(MPITESTS, test x$enable_mpitests = xyes, Build MPI Tests)
AM_CONDITIONAL(CLIENT, test x$enable_client = xyes)
AM_CONDITIONAL(SERVER, test x$enable_server = xyes)
AM_CONDITIONAL(QUOTA, test x$enable_quota = xyes)
AM_CONDITIONAL(BLKID, test x$ac_cv_header_blkid_blkid_h = xyes)
AM_CONDITIONAL(EXT2FS_DEVEL, test x$ac_cv_header_ext2fs_ext2fs_h = xyes)
AM_CONDITIONAL(LIBPTHREAD, test x$enable_libpthread = xyes)
])

#
# LC_CONFIG_FILES
#
# files that should be generated with AC_OUTPUT
#
AC_DEFUN([LC_CONFIG_FILES],
[AC_CONFIG_FILES([
lustre/Makefile
lustre/autoMakefile
lustre/autoconf/Makefile
lustre/contrib/Makefile
lustre/doc/Makefile
lustre/include/Makefile
lustre/include/lustre_ver.h
lustre/include/linux/Makefile
lustre/include/lustre/Makefile
lustre/kernel_patches/targets/2.6-suse.target
lustre/kernel_patches/targets/2.6-vanilla.target
lustre/kernel_patches/targets/2.6-rhel4.target
lustre/kernel_patches/targets/2.6-rhel5.target
lustre/kernel_patches/targets/2.6-fc5.target
lustre/kernel_patches/targets/2.6-patchless.target
lustre/kernel_patches/targets/2.6-sles10.target
lustre/kernel_patches/targets/hp_pnnl-2.4.target
lustre/kernel_patches/targets/rh-2.4.target
lustre/kernel_patches/targets/rhel-2.4.target
lustre/kernel_patches/targets/suse-2.4.21-2.target
lustre/kernel_patches/targets/sles-2.4.target
lustre/ldlm/Makefile
lustre/liblustre/Makefile
lustre/liblustre/tests/Makefile
lustre/llite/Makefile
lustre/llite/autoMakefile
lustre/lov/Makefile
lustre/lov/autoMakefile
lustre/lvfs/Makefile
lustre/lvfs/autoMakefile
lustre/mdc/Makefile
lustre/mdc/autoMakefile
lustre/mds/Makefile
lustre/mds/autoMakefile
lustre/obdclass/Makefile
lustre/obdclass/autoMakefile
lustre/obdclass/linux/Makefile
lustre/obdecho/Makefile
lustre/obdecho/autoMakefile
lustre/obdfilter/Makefile
lustre/obdfilter/autoMakefile
lustre/osc/Makefile
lustre/osc/autoMakefile
lustre/ost/Makefile
lustre/ost/autoMakefile
lustre/mgc/Makefile
lustre/mgc/autoMakefile
lustre/mgs/Makefile
lustre/mgs/autoMakefile
lustre/ptlrpc/Makefile
lustre/ptlrpc/autoMakefile
lustre/quota/Makefile
lustre/quota/autoMakefile
lustre/scripts/Makefile
lustre/scripts/version_tag.pl
lustre/tests/Makefile
lustre/utils/Makefile
])
case $lb_target_os in
        darwin)
                AC_CONFIG_FILES([ lustre/obdclass/darwin/Makefile ])
                ;;
esac

])