-
Alexey Lyashkov authoredb=12052
Alexey Lyashkov authoredb=12052
lustre-core.m4 40.52 KiB
#* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
#* vim:expandtab:shiftwidth=8:tabstop=8:
#
# LC_CONFIG_SRCDIR
#
# Wrapper for AC_CONFIG_SUBDIR
#
AC_DEFUN([LC_CONFIG_SRCDIR],
[AC_CONFIG_SRCDIR([lustre/obdclass/obdo.c])
])
#
# LC_PATH_DEFAULTS
#
# lustre specific paths
#
AC_DEFUN([LC_PATH_DEFAULTS],
[# ptlrpc kernel build requires this
LUSTRE="$PWD/lustre"
AC_SUBST(LUSTRE)
# mount.lustre
rootsbindir='/sbin'
AC_SUBST(rootsbindir)
demodir='$(docdir)/demo'
AC_SUBST(demodir)
pkgexampledir='${pkgdatadir}/examples'
AC_SUBST(pkgexampledir)
])
#
# LC_TARGET_SUPPORTED
#
# is the target os supported?
#
AC_DEFUN([LC_TARGET_SUPPORTED],
[case $target_os in
linux* | darwin*)
$1
;;
*)
$2
;;
esac
])
#
# LC_CONFIG_EXT3
#
# that ext3 is enabled in the kernel
#
AC_DEFUN([LC_CONFIG_EXT3],
[LB_LINUX_CONFIG([EXT3_FS],[],[
LB_LINUX_CONFIG([EXT3_FS_MODULE],[],[$2])
])
LB_LINUX_CONFIG([EXT3_FS_XATTR],[$1],[$3])
])
#
# LC_FSHOOKS
#
# If we have (and can build) fshooks.h
#
AC_DEFUN([LC_FSHOOKS],
[LB_CHECK_FILE([$LINUX/include/linux/fshooks.h],[
AC_MSG_CHECKING([if fshooks.h can be compiled])
LB_LINUX_TRY_COMPILE([
#include <linux/fshooks.h> ],[],[
AC_MSG_RESULT([yes])
],[
AC_MSG_RESULT([no])
AC_MSG_WARN([You might have better luck with gcc 3.3.x.])
AC_MSG_WARN([You can set CC=gcc33 before running configure.])
AC_MSG_ERROR([Your compiler cannot build fshooks.h.])
])
$1
],[
$2
])
])
#
# LC_STRUCT_KIOBUF
#
# rh 2.4.18 has iobuf->dovary, but other kernels do not
#
AC_DEFUN([LC_STRUCT_KIOBUF],
[AC_MSG_CHECKING([if struct kiobuf has a dovary field])
LB_LINUX_TRY_COMPILE([
#include <linux/iobuf.h>
],[
struct kiobuf iobuf;
iobuf.dovary = 1;
],[
AC_MSG_RESULT([yes])
AC_DEFINE(HAVE_KIOBUF_DOVARY, 1, [struct kiobuf has a dovary field])
],[
AC_MSG_RESULT([no])
])
])
#
# LC_FUNC_COND_RESCHED
#
# cond_resched() was introduced in 2.4.20
#
AC_DEFUN([LC_FUNC_COND_RESCHED],
[AC_MSG_CHECKING([if kernel offers cond_resched])
LB_LINUX_TRY_COMPILE([
#include <linux/sched.h>
],[
cond_resched();
],[
AC_MSG_RESULT([yes])
AC_DEFINE(HAVE_COND_RESCHED, 1, [cond_resched found])
],[
AC_MSG_RESULT([no])
])
])
#
# LC_FUNC_ZAP_PAGE_RANGE
#
# if zap_page_range() takes a vma arg
#
AC_DEFUN([LC_FUNC_ZAP_PAGE_RANGE],
[AC_MSG_CHECKING([if zap_page_range with vma parameter])
ZAP_PAGE_RANGE_VMA="`grep -c 'zap_page_range.*struct vm_area_struct' $LINUX/include/linux/mm.h`"
if test "$ZAP_PAGE_RANGE_VMA" != 0 ; then
AC_DEFINE(ZAP_PAGE_RANGE_VMA, 1, [zap_page_range with vma parameter])
AC_MSG_RESULT([yes])
else
AC_MSG_RESULT([no])
fi
])
## LC_FUNC_PDE
#
# if proc_fs.h defines PDE()
#
AC_DEFUN([LC_FUNC_PDE],
[AC_MSG_CHECKING([if kernel defines PDE])
HAVE_PDE="`grep -c 'proc_dir_entry..PDE' $LINUX/include/linux/proc_fs.h`"
if test "$HAVE_PDE" != 0 ; then
AC_DEFINE(HAVE_PDE, 1, [the kernel defines PDE])
AC_MSG_RESULT([yes])
else
AC_MSG_RESULT([no])
fi
])
#
# LC_FUNC_FILEMAP_FDATASYNC
#
# if filemap_fdatasync() exists
#
AC_DEFUN([LC_FUNC_FILEMAP_FDATAWRITE],
[AC_MSG_CHECKING([whether filemap_fdatawrite() is defined])
LB_LINUX_TRY_COMPILE([
#include <linux/fs.h>
],[
int (*foo)(struct address_space *)= filemap_fdatawrite;
],[
AC_MSG_RESULT([yes])
AC_DEFINE(HAVE_FILEMAP_FDATAWRITE, 1, [filemap_fdatawrite() found])
],[
AC_MSG_RESULT([no])
])
])
#
# LC_FUNC_DIRECT_IO
#
# if direct_IO takes a struct file argument
#
AC_DEFUN([LC_FUNC_DIRECT_IO],
[AC_MSG_CHECKING([if kernel passes struct file to direct_IO])
HAVE_DIO_FILE="`grep -c 'direct_IO.*struct file' $LINUX/include/linux/fs.h`"
if test "$HAVE_DIO_FILE" != 0 ; then
AC_DEFINE(HAVE_DIO_FILE, 1, [the kernel passes struct file to direct_IO])
AC_MSG_RESULT(yes)
else
AC_MSG_RESULT(no)
fi
])
#
# LC_HEADER_MM_INLINE
#
# RHEL kernels define page_count in mm_inline.h
#
AC_DEFUN([LC_HEADER_MM_INLINE],
[AC_MSG_CHECKING([if kernel has mm_inline.h header])
LB_LINUX_TRY_COMPILE([
#include <linux/mm_inline.h>
],[
#ifndef page_count
#error mm_inline.h does not define page_count
#endif
],[
AC_MSG_RESULT([yes])
AC_DEFINE(HAVE_MM_INLINE, 1, [mm_inline found])
],[
AC_MSG_RESULT([no])
])
])
#
# LC_STRUCT_INODE
#
# if inode->i_alloc_sem exists
#
AC_DEFUN([LC_STRUCT_INODE],
[AC_MSG_CHECKING([if struct inode has i_alloc_sem])
LB_LINUX_TRY_COMPILE([
#include <linux/fs.h>
#include <linux/version.h>
],[
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,4,24))
#error "down_read_trylock broken before 2.4.24"
#endif
struct inode i;
return (char *)&i.i_alloc_sem - (char *)&i;
],[
AC_MSG_RESULT([yes])
AC_DEFINE(HAVE_I_ALLOC_SEM, 1, [struct inode has i_alloc_sem])
],[
AC_MSG_RESULT([no])
])
])
#
# LC_FUNC_REGISTER_CACHE
#
# if register_cache() is defined by kernel
#
AC_DEFUN([LC_FUNC_REGISTER_CACHE],
[AC_MSG_CHECKING([if kernel defines register_cache()])
LB_LINUX_TRY_COMPILE([
#include <linux/list.h>
#include <linux/cache_def.h>
],[
struct cache_definition cache;
],[
AC_MSG_RESULT([yes])
AC_DEFINE(HAVE_REGISTER_CACHE, 1, [register_cache found])
AC_MSG_CHECKING([if kernel expects return from cache shrink function])
HAVE_CACHE_RETURN_INT="`grep -c 'int.*shrink' $LINUX/include/linux/cache_def.h`"
if test "$HAVE_CACHE_RETURN_INT" != 0 ; then
AC_DEFINE(HAVE_CACHE_RETURN_INT, 1, [kernel expects return from shrink_cache])
AC_MSG_RESULT(yes)
else
AC_MSG_RESULT(no)
fi
],[
AC_MSG_RESULT([no])
])
])
#
# LC_FUNC_GRAB_CACHE_PAGE_NOWAIT_GFP
#
# check for our patched grab_cache_page_nowait_gfp() function
#
AC_DEFUN([LC_FUNC_GRAB_CACHE_PAGE_NOWAIT_GFP],
[AC_MSG_CHECKING([if kernel defines grab_cache_page_nowait_gfp()])
HAVE_GCPN_GFP="`grep -c 'grab_cache_page_nowait_gfp' $LINUX/include/linux/pagemap.h`"
if test "$HAVE_GCPN_GFP" != 0 ; then
AC_DEFINE(HAVE_GRAB_CACHE_PAGE_NOWAIT_GFP, 1,
[kernel has grab_cache_page_nowait_gfp()])
AC_MSG_RESULT(yes)
else
AC_MSG_RESULT(no)
fi
])
#
# LC_FUNC_DEV_SET_RDONLY
#
# check for the old-style dev_set_rdonly which took an extra "devno" param
# and can only set a single device to discard writes at one time
#
AC_DEFUN([LC_FUNC_DEV_SET_RDONLY],
[AC_MSG_CHECKING([if kernel has new dev_set_rdonly])
LB_LINUX_TRY_COMPILE([
#include <linux/fs.h>
],[
#ifndef HAVE_CLEAR_RDONLY_ON_PUT
#error needs to be patched by lustre kernel patches from Lustre version 1.4.3 or above.
#endif
],[
AC_MSG_RESULT([yes])
AC_DEFINE(HAVE_DEV_SET_RDONLY, 1, [kernel has new dev_set_rdonly])
],[
AC_MSG_RESULT([no, Linux kernel source needs to be patches by lustre
kernel patches from Lustre version 1.4.3 or above.])
])
])
#
# LC_CONFIG_BACKINGFS
#
# setup, check the backing filesystem
#
AC_DEFUN([LC_CONFIG_BACKINGFS],
[
BACKINGFS="ldiskfs"
if test x$with_ldiskfs = xno ; then
BACKINGFS="ext3"
if test x$linux25$enable_server = xyesyes ; then
AC_MSG_ERROR([ldiskfs is required for 2.6-based servers.])
fi
# --- Check that ext3 and ext3 xattr are enabled in the kernel
LC_CONFIG_EXT3([],[
AC_MSG_ERROR([Lustre requires that ext3 is enabled in the kernel])
],[
AC_MSG_WARN([Lustre requires that extended attributes for ext3 are enabled in the kernel])
AC_MSG_WARN([This build may fail.])
])
else
# ldiskfs is enabled
LB_DEFINE_LDISKFS_OPTIONS
fi #ldiskfs
AC_MSG_CHECKING([which backing filesystem to use])
AC_MSG_RESULT([$BACKINGFS])
AC_SUBST(BACKINGFS)
])
#
# LC_CONFIG_PINGER
#
# the pinger is temporary, until we have the recovery node in place
#
AC_DEFUN([LC_CONFIG_PINGER],
[AC_MSG_CHECKING([whether to enable pinger support])
AC_ARG_ENABLE([pinger],
AC_HELP_STRING([--disable-pinger],
[disable recovery pinger support]),
[],[enable_pinger='yes'])
AC_MSG_RESULT([$enable_pinger])
if test x$enable_pinger != xno ; then
AC_DEFINE(ENABLE_PINGER, 1, Use the Pinger)fi
])
#
# LC_CONFIG_CHECKSUM
#
# do checksum of bulk data between client and OST
#
AC_DEFUN([LC_CONFIG_CHECKSUM],
[AC_MSG_CHECKING([whether to enable data checksum support])
AC_ARG_ENABLE([checksum],
AC_HELP_STRING([--disable-checksum],
[disable data checksum support]),
[],[enable_checksum='yes'])
AC_MSG_RESULT([$enable_checksum])
if test x$enable_checksum != xno ; then
AC_DEFINE(ENABLE_CHECKSUM, 1, do data checksums)
fi
])
#
# LC_CONFIG_HEALTH_CHECK_WRITE
#
# Turn off the actual write to the disk
#
AC_DEFUN([LC_CONFIG_HEALTH_CHECK_WRITE],
[AC_MSG_CHECKING([whether to enable a write with the health check])
AC_ARG_ENABLE([health_write],
AC_HELP_STRING([--enable-health_write],
[enable disk writes when doing health check]),
[],[enable_health_write='no'])
AC_MSG_RESULT([$enable_health_write])
if test x$enable_health_write != xno ; then
AC_DEFINE(USE_HEALTH_CHECK_WRITE, 1, Write when Checking Health)
fi
])
#
# LC_CONFIG_LIBLUSTRE_RECOVERY
#
AC_DEFUN([LC_CONFIG_LIBLUSTRE_RECOVERY],
[AC_MSG_CHECKING([whether to enable liblustre recovery support])
AC_ARG_ENABLE([liblustre-recovery],
AC_HELP_STRING([--disable-liblustre-recovery],
[disable liblustre recovery support]),
[],[enable_liblustre_recovery='yes'])
AC_MSG_RESULT([$enable_liblustre_recovery])
if test x$enable_liblustre_recovery != xno ; then
AC_DEFINE(ENABLE_LIBLUSTRE_RECOVERY, 1, Liblustre Can Recover)
fi
])
#
# LC_CONFIG_OBD_BUFFER_SIZE
#
# the maximum buffer size of lctl ioctls
#
AC_DEFUN([LC_CONFIG_OBD_BUFFER_SIZE],
[AC_MSG_CHECKING([maximum OBD ioctl size])
AC_ARG_WITH([obd-buffer-size],
AC_HELP_STRING([--with-obd-buffer-size=[size]],
[set lctl ioctl maximum bytes (default=8192)]),
[
OBD_BUFFER_SIZE=$with_obd_buffer_size
],[
OBD_BUFFER_SIZE=8192
])
AC_MSG_RESULT([$OBD_BUFFER_SIZE bytes])
AC_DEFINE_UNQUOTED(OBD_MAX_IOCTL_BUFFER, $OBD_BUFFER_SIZE, [IOCTL Buffer Size])
])
#
# LC_STRUCT_STATFS
#
# AIX does not have statfs.f_namelen
#
AC_DEFUN([LC_STRUCT_STATFS],
[AC_MSG_CHECKING([if struct statfs has a f_namelen field])
LB_LINUX_TRY_COMPILE([
#include <linux/vfs.h>
],[
struct statfs sfs;
sfs.f_namelen = 1;
],[
AC_MSG_RESULT([yes])
AC_DEFINE(HAVE_STATFS_NAMELEN, 1, [struct statfs has a namelen field])
],[
AC_MSG_RESULT([no])
])
])
#
# LC_READLINK_SSIZE_T
#
AC_DEFUN([LC_READLINK_SSIZE_T],
[AC_MSG_CHECKING([if readlink returns ssize_t])
AC_TRY_COMPILE([
#include <unistd.h>
],[
ssize_t readlink(const char *, char *, size_t);
],[
AC_MSG_RESULT([yes])
AC_DEFINE(HAVE_POSIX_1003_READLINK, 1, [readlink returns ssize_t])
],[
AC_MSG_RESULT([no])
])
])
AC_DEFUN([LC_FUNC_PAGE_MAPPED],
[AC_MSG_CHECKING([if kernel offers page_mapped])
LB_LINUX_TRY_COMPILE([
#include <linux/mm.h>
],[
page_mapped(NULL);
],[
AC_MSG_RESULT([yes])
AC_DEFINE(HAVE_PAGE_MAPPED, 1, [page_mapped found])
],[
AC_MSG_RESULT([no])
])
])
AC_DEFUN([LC_STRUCT_FILE_OPS_UNLOCKED_IOCTL],
[AC_MSG_CHECKING([if struct file_operations has an unlocked_ioctl field])
LB_LINUX_TRY_COMPILE([
#include <linux/fs.h>
],[
struct file_operations fops;
&fops.unlocked_ioctl;
],[
AC_MSG_RESULT([yes])
AC_DEFINE(HAVE_UNLOCKED_IOCTL, 1, [struct file_operations has an unlock ed_ioctl field])
],[
AC_MSG_RESULT([no])
])
])
AC_DEFUN([LC_FILEMAP_POPULATE],
[AC_MSG_CHECKING([for exported filemap_populate])
LB_LINUX_TRY_COMPILE([ #include <asm/page.h>
#include <linux/mm.h>
],[
filemap_populate(NULL, 0, 0, __pgprot(0), 0, 0);
],[
AC_MSG_RESULT([yes])
AC_DEFINE(HAVE_FILEMAP_POPULATE, 1, [Kernel exports filemap_populate])
],[
AC_MSG_RESULT([no])
])
])
AC_DEFUN([LC_D_ADD_UNIQUE],
[AC_MSG_CHECKING([for d_add_unique])
LB_LINUX_TRY_COMPILE([
#include <linux/dcache.h>
],[
d_add_unique(NULL, NULL);
],[
AC_MSG_RESULT([yes])
AC_DEFINE(HAVE_D_ADD_UNIQUE, 1, [Kernel has d_add_unique])
],[
AC_MSG_RESULT([no])
])
])
AC_DEFUN([LC_BIT_SPINLOCK_H],
[LB_CHECK_FILE([$LINUX/include/linux/bit_spinlock.h],[
AC_MSG_CHECKING([if bit_spinlock.h can be compiled])
LB_LINUX_TRY_COMPILE([
#include <asm/processor.h>
#include <linux/spinlock.h>
#include <linux/bit_spinlock.h>
],[],[
AC_MSG_RESULT([yes])
AC_DEFINE(HAVE_BIT_SPINLOCK_H, 1, [Kernel has bit_spinlock.h])
],[
AC_MSG_RESULT([no])
])
],
[])
])
#
# LC_POSIX_ACL_XATTR
#
# If we have xattr_acl.h
#
AC_DEFUN([LC_XATTR_ACL],
[LB_CHECK_FILE([$LINUX/include/linux/xattr_acl.h],[
AC_MSG_CHECKING([if xattr_acl.h can be compiled])
LB_LINUX_TRY_COMPILE([
#include <linux/xattr_acl.h>
],[],[
AC_MSG_RESULT([yes])
AC_DEFINE(HAVE_XATTR_ACL, 1, [Kernel has xattr_acl])
],[
AC_MSG_RESULT([no])
])
],
[])
])
AC_DEFUN([LC_STRUCT_INTENT_FILE],
[AC_MSG_CHECKING([if struct open_intent has a file field])
LB_LINUX_TRY_COMPILE([
#include <linux/fs.h>
#include <linux/namei.h>
],[
struct open_intent intent; &intent.file;
],[
AC_MSG_RESULT([yes])
AC_DEFINE(HAVE_FILE_IN_STRUCT_INTENT, 1, [struct open_intent has a file field])
],[
AC_MSG_RESULT([no])
])
])
AC_DEFUN([LC_POSIX_ACL_XATTR_H],
[LB_CHECK_FILE([$LINUX/include/linux/posix_acl_xattr.h],[
AC_MSG_CHECKING([if linux/posix_acl_xattr.h can be compiled])
LB_LINUX_TRY_COMPILE([
#include <linux/posix_acl_xattr.h>
],[],[
AC_MSG_RESULT([yes])
AC_DEFINE(HAVE_LINUX_POSIX_ACL_XATTR_H, 1, [linux/posix_acl_xattr.h found])
],[
AC_MSG_RESULT([no])
])
$1
],[
AC_MSG_RESULT([no])
])
])
#
# LC_EXPORT___IGET
# starting from 2.6.19 linux kernel exports __iget()
#
AC_DEFUN([LC_EXPORT___IGET],
[LB_CHECK_SYMBOL_EXPORT([__iget],
[fs/inode.c],[
AC_DEFINE(HAVE_EXPORT___IGET, 1, [kernel exports __iget])
],[
])
])
AC_DEFUN([LC_LUSTRE_VERSION_H],
[LB_CHECK_FILE([$LINUX/include/linux/lustre_version.h],[
rm -f "$LUSTRE/include/linux/lustre_version.h"
],[
touch "$LUSTRE/include/linux/lustre_version.h"
if test x$enable_server = xyes ; then
AC_MSG_WARN([Unpatched kernel detected.])
AC_MSG_WARN([Lustre servers cannot be built with an unpatched kernel;])
AC_MSG_WARN([disabling server build])
enable_server='no'
fi
])
])
AC_DEFUN([LC_FUNC_SET_FS_PWD],
[LB_CHECK_SYMBOL_EXPORT([set_fs_pwd],
[fs/namespace.c],[
AC_DEFINE(HAVE_SET_FS_PWD, 1, [set_fs_pwd is exported])
],[
])
])
#
# LC_CAPA_CRYPTO
#
AC_DEFUN([LC_CAPA_CRYPTO],
[LB_LINUX_CONFIG_IM([CRYPTO],[],[
AC_MSG_ERROR([Lustre capability require that CONFIG_CRYPTO is enabled in your kernel.])
])LB_LINUX_CONFIG_IM([CRYPTO_HMAC],[],[
AC_MSG_ERROR([Lustre capability require that CONFIG_CRYPTO_HMAC is enabled in your kernel.])
])
LB_LINUX_CONFIG_IM([CRYPTO_SHA1],[],[
AC_MSG_ERROR([Lustre capability require that CONFIG_CRYPTO_SHA1 is enabled in your kernel.])
])
])
#
# LC_CONFIG_GSS_KEYRING (default enabled, if gss is enabled)
#
AC_DEFUN([LC_CONFIG_GSS_KEYRING],
[AC_MSG_CHECKING([whether to enable gss keyring backend])
AC_ARG_ENABLE([gss_keyring],
[AC_HELP_STRING([--disable-gss-keyring],
[disable gss keyring backend])],
[],[enable_gss_keyring='yes'])
AC_MSG_RESULT([$enable_gss_keyring])
if test x$enable_gss_keyring != xno; then
LB_LINUX_CONFIG_IM([KEYS],[],
[AC_MSG_ERROR([GSS keyring backend require that CONFIG_KEYS be enabled in your kernel.])])
AC_CHECK_LIB([keyutils], [keyctl_search], [],
[AC_MSG_ERROR([libkeyutils is not found, which is required by gss keyring backend])],)
AC_DEFINE([HAVE_GSS_KEYRING], [1],
[Define this if you enable gss keyring backend])
fi
])
m4_pattern_allow(AC_KERBEROS_V5)
#
# LC_CONFIG_GSS (default disabled)
#
# Build gss and related tools of Lustre. Currently both kernel and user space
# parts are depend on linux platform.
#
AC_DEFUN([LC_CONFIG_GSS],
[AC_MSG_CHECKING([whether to enable gss/krb5 support])
AC_ARG_ENABLE([gss],
[AC_HELP_STRING([--enable-gss], [enable gss/krb5 support])],
[],[enable_gss='no'])
AC_MSG_RESULT([$enable_gss])
if test x$enable_gss == xyes; then
LC_CONFIG_GSS_KEYRING
LB_LINUX_CONFIG_IM([CRYPTO_DES],[],
[AC_MSG_WARN([kernel DES support is recommended by using GSS.])])
LB_LINUX_CONFIG_IM([CRYPTO_MD5],[],
[AC_MSG_WARN([kernel MD5 support is recommended by using GSS.])])
LB_LINUX_CONFIG_IM([CRYPTO_SHA256],[],
[AC_MSG_WARN([kernel SHA256 support is recommended by using GSS.])])
LB_LINUX_CONFIG_IM([CRYPTO_SHA512],[],
[AC_MSG_WARN([kernel SHA512 support is recommended by using GSS.])])
LB_LINUX_CONFIG_IM([CRYPTO_ARC4],[],
[AC_MSG_WARN([kernel ARC4 support is recommended by using GSS.])])
dnl FIXME
dnl the AES symbol usually tied with arch, e.g. CRYPTO_AES_586
dnl FIXME
LB_LINUX_CONFIG_IM([CRYPTO_AES],[],
[AC_MSG_WARN([kernel AES support is recommended by using GSS.])])
AC_CHECK_LIB([gssapi], [gss_init_sec_context],
[GSSAPI_LIBS="$GSSAPI_LDFLAGS -lgssapi"],
[AC_MSG_ERROR([libgssapi is not found, which is required by GSS.])],)
AC_SUBST(GSSAPI_LIBS)
AC_KERBEROS_V5
fi
])
# LC_FUNC_MS_FLOCK_LOCK
#
# SLES9 kernel has MS_FLOCK_LOCK sb flag
#
AC_DEFUN([LC_FUNC_MS_FLOCK_LOCK],
[AC_MSG_CHECKING([if kernel has MS_FLOCK_LOCK sb flag])
LB_LINUX_TRY_COMPILE([
#include <linux/fs.h>
],[
int flags = MS_FLOCK_LOCK;
],[
AC_DEFINE(HAVE_MS_FLOCK_LOCK, 1,
[kernel has MS_FLOCK_LOCK flag])
AC_MSG_RESULT([yes])
],[
AC_MSG_RESULT([no])
])
])
#
# LC_FUNC_HAVE_CAN_SLEEP_ARG
#
# SLES9 kernel has third arg can_sleep
# in fs/locks.c: flock_lock_file_wait()
#
AC_DEFUN([LC_FUNC_HAVE_CAN_SLEEP_ARG],
[AC_MSG_CHECKING([if kernel has third arg can_sleep in fs/locks.c: flock_lock_file_wait()])
LB_LINUX_TRY_COMPILE([
#include <linux/fs.h>
],[
int cansleep;
struct file *file;
struct file_lock *file_lock;
flock_lock_file_wait(file, file_lock, cansleep);
],[
AC_DEFINE(HAVE_CAN_SLEEP_ARG, 1,
[kernel has third arg can_sleep in fs/locks.c: flock_lock_file_wait()])
AC_MSG_RESULT([yes])
],[
AC_MSG_RESULT([no])
])
])
#
# LC_FUNC_F_OP_FLOCK
#
# rhel4.2 kernel has f_op->flock field
#
AC_DEFUN([LC_FUNC_F_OP_FLOCK],
[AC_MSG_CHECKING([if struct file_operations has flock field])
LB_LINUX_TRY_COMPILE([
#include <linux/fs.h>
],[
struct file_operations ll_file_operations_flock;
ll_file_operations_flock.flock = NULL;
],[
AC_DEFINE(HAVE_F_OP_FLOCK, 1,
[struct file_operations has flock field])
AC_MSG_RESULT([yes])
],[
AC_MSG_RESULT([no])
])
])
#
# LC_TASK_PPTR
#
# task struct has p_pptr instead of parent
#
AC_DEFUN([LC_TASK_PPTR],
[AC_MSG_CHECKING([task p_pptr found])
LB_LINUX_TRY_COMPILE([
#include <linux/sched.h>
],[
struct task_struct *p;
p = p->p_pptr;
],[
AC_MSG_RESULT([yes])
AC_DEFINE(HAVE_TASK_PPTR, 1, [task p_pptr found])
],[
AC_MSG_RESULT([no])
])
])
#
# LC_FUNC_F_OP_FLOCK
#
# rhel4.2 kernel has f_op->flock field
#
AC_DEFUN([LC_FUNC_F_OP_FLOCK],
[AC_MSG_CHECKING([if struct file_operations has flock field])
LB_LINUX_TRY_COMPILE([
#include <linux/fs.h>
],[
struct file_operations ll_file_operations_flock;
ll_file_operations_flock.flock = NULL;
],[
AC_DEFINE(HAVE_F_OP_FLOCK, 1,
[struct file_operations has flock field])
AC_MSG_RESULT([yes])
],[
AC_MSG_RESULT([no])
])
])
# LC_INODE_I_MUTEX
# after 2.6.15 inode have i_mutex intead of i_sem
AC_DEFUN([LC_INODE_I_MUTEX],
[AC_MSG_CHECKING([use inode have i_mutex ])
LB_LINUX_TRY_COMPILE([
#include <linux/mutex.h>
#include <linux/fs.h>
],[
struct inode i;
mutex_unlock(&i.i_mutex);
],[
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_INODE_I_MUTEX, 1,
[after 2.6.15 inode have i_mutex intead of i_sem])
],[
AC_MSG_RESULT(NO)
])
])
# LC_DQUOTOFF_MUTEX
# after 2.6.17 dquote use mutex instead if semaphore
AC_DEFUN([LC_DQUOTOFF_MUTEX],
[AC_MSG_CHECKING([use dqonoff_mutex])
LB_LINUX_TRY_COMPILE([
#include <linux/mutex.h>
#include <linux/fs.h> #include <linux/quota.h>
],[
struct quota_info dq;
mutex_unlock(&dq.dqonoff_mutex);
],[
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_DQUOTOFF_MUTEX, 1,
[after 2.6.17 dquote use mutex instead if semaphore])
],[
AC_MSG_RESULT(NO)
])
])
#
# LC_STATFS_DENTRY_PARAM
# starting from 2.6.18 linux kernel uses dentry instead of
# super_block for first vfs_statfs argument
#
AC_DEFUN([LC_STATFS_DENTRY_PARAM],
[AC_MSG_CHECKING([first vfs_statfs parameter is dentry])
LB_LINUX_TRY_COMPILE([
#include <linux/fs.h>
],[
int vfs_statfs(struct dentry *, struct kstatfs *);
],[
AC_DEFINE(HAVE_STATFS_DENTRY_PARAM, 1,
[first parameter of vfs_statfs is dentry])
AC_MSG_RESULT([yes])
],[
AC_MSG_RESULT([no])
])
])
#
# LC_VFS_KERN_MOUNT
# starting from 2.6.18 kernel don't export do_kern_mount
# and want to use vfs_kern_mount instead.
#
AC_DEFUN([LC_VFS_KERN_MOUNT],
[AC_MSG_CHECKING([vfs_kern_mount exist in kernel])
LB_LINUX_TRY_COMPILE([
#include <linux/mount.h>
],[
vfs_kern_mount(NULL, 0, NULL, NULL);
],[
AC_DEFINE(HAVE_VFS_KERN_MOUNT, 1,
[vfs_kern_mount exist in kernel])
AC_MSG_RESULT([yes])
],[
AC_MSG_RESULT([no])
])
])
#
# LC_INVALIDATEPAGE_RETURN_INT
# more 2.6 api changes. return type for the invalidatepage
# address_space_operation is 'void' in new kernels but 'int' in old
#
AC_DEFUN([LC_INVALIDATEPAGE_RETURN_INT],
[AC_MSG_CHECKING([invalidatepage has return int])
LB_LINUX_TRY_COMPILE([
#include <linux/buffer_head.h>
],[
int rc = block_invalidatepage(NULL, 0);
],[
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_INVALIDATEPAGE_RETURN_INT, 1,
[Define if return type of invalidatepage should be int])
],[ AC_MSG_RESULT(NO)
])
])
# LC_UMOUNTBEGIN_HAS_VFSMOUNT
# more 2.6 API changes. 2.6.18 umount_begin has different parameters
AC_DEFUN([LC_UMOUNTBEGIN_HAS_VFSMOUNT],
[AC_MSG_CHECKING([if umount_begin needs vfsmount parameter instead of super_block])
tmp_flags="$EXTRA_KCFLAGS"
EXTRA_KCFLAGS="-Werror"
LB_LINUX_TRY_COMPILE([
#include <linux/fs.h>
struct vfsmount;
static void cfg_umount_begin (struct vfsmount *v, int flags)
{
;
}
static struct super_operations cfg_super_operations = {
.umount_begin = cfg_umount_begin,
};
],[
cfg_super_operations.umount_begin(NULL,0);
],[
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_UMOUNTBEGIN_VFSMOUNT, 1,
[Define umount_begin need second argument])
],[
AC_MSG_RESULT(NO)
])
EXTRA_KCFLAGS="$tmp_flags"
])
# 2.6.19 API changes
# inode don't have i_blksize field
AC_DEFUN([LC_INODE_BLKSIZE],
[AC_MSG_CHECKING([inode has i_blksize field])
LB_LINUX_TRY_COMPILE([
#include <linux/fs.h>
],[
struct inode i;
i.i_blksize = 0;
],[
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_INODE_BLKSIZE, 1,
[struct inode has i_blksize field])
],[
AC_MSG_RESULT(NO)
])
])
# LC_VFS_READDIR_U64_INO
# 2.6.19 use u64 for inode number instead of inode_t
AC_DEFUN([LC_VFS_READDIR_U64_INO],
[AC_MSG_CHECKING([check vfs_readdir need 64bit inode number])
tmp_flags="$EXTRA_KCFLAGS"
EXTRA_KCFLAGS="-Werror"
LB_LINUX_TRY_COMPILE([
#include <linux/fs.h>
int fillonedir(void * __buf, const char * name, int namlen, loff_t offset,
u64 ino, unsigned int d_type)
{
return 0;
}
],[
filldir_t filter;
filter = fillonedir;
return 1;],[
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_VFS_READDIR_U64_INO, 1,
[if vfs_readdir need 64bit inode number])
],[
AC_MSG_RESULT(NO)
])
EXTRA_KCFLAGS="$tmp_flags"
])
# LC_GENERIC_FILE_WRITE
# 2.6.19 introduce do_sync_write instead of
# generic_file_write
AC_DEFUN([LC_GENERIC_FILE_WRITE],
[AC_MSG_CHECKING([use generic_file_write])
LB_LINUX_TRY_COMPILE([
#include <linux/fs.h>
],[
int result = generic_file_read(NULL, NULL, 0, 0);
],[
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_GENERIC_FILE_WRITE, 1,
[use generic_file_write])
],[
AC_MSG_RESULT(NO)
])
])
# LC_GENERIC_FILE_READ
# 2.6.19 need to use do_sync_read instead of
# generic_file_read
AC_DEFUN([LC_GENERIC_FILE_READ],
[AC_MSG_CHECKING([use generic_file_read])
LB_LINUX_TRY_COMPILE([
#include <linux/fs.h>
],[
int result = generic_file_read(NULL, NULL, 0, 0);
],[
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_GENERIC_FILE_READ, 1,
[use generic_file_read])
],[
AC_MSG_RESULT(NO)
])
])
# LC_NR_PAGECACHE
# 2.6.18 don't export nr_pagecahe
AC_DEFUN([LC_NR_PAGECACHE],
[AC_MSG_CHECKING([kernel export nr_pagecache])
LB_LINUX_TRY_COMPILE([
#include <linux/pagemap.h>
],[
return atomic_read(&nr_pagecache);
],[
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_NR_PAGECACHE, 1,
[is kernel export nr_pagecache])
],[
AC_MSG_RESULT(NO)
])
])
# LC_CANCEL_DIRTY_PAGE
# 2.6.20 introduse cancel_dirty_page instead of
# clear_page_dirty.
AC_DEFUN([LC_CANCEL_DIRTY_PAGE],
[AC_MSG_CHECKING([kernel has cancel_dirty_page])
LB_LINUX_TRY_COMPILE([
#include <linux/page-flags.h>],[
cancel_dirty_page(NULL, 0);
],[
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_CANCEL_DIRTY_PAGE, 1,
[kernel has cancel_dirty_page instead of clear_page_dirty])
],[
AC_MSG_RESULT(NO)
])
])
#
# LC_PAGE_CONSTANT
#
# In order to support raid5 zerocopy patch, we have to patch the kernel to make
# it support constant page, which means the page won't be modified during the
# IO.
#
AC_DEFUN([LC_PAGE_CONSTANT],
[AC_MSG_CHECKING([if kernel have PageConstant defined])
LB_LINUX_TRY_COMPILE([
#include <linux/page-flags.h>
],[
#ifndef PG_constant
#error "Have no raid5 zcopy patch"
#endif
],[
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_PAGE_CONSTANT, 1, [kernel have PageConstant supported])
],[
AC_MSG_RESULT(no);
])
])
# RHEL5 in FS-cache patch rename PG_checked flag
# into PG_fs_misc
AC_DEFUN([LC_PG_FS_MISC],
[AC_MSG_CHECKING([kernel has PG_fs_misc])
LB_LINUX_TRY_COMPILE([
#include <linux/page-flags.h>
],[
#ifndef PG_fs_misc
#error PG_fs_misc not defined in kernel
#endif
],[
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_PG_FS_MISC, 1,
[is kernel have PG_fs_misc])
],[
AC_MSG_RESULT(NO)
])
])
AC_DEFUN([LC_EXPORT_TRUNCATE_COMPLETE],
[LB_CHECK_SYMBOL_EXPORT([truncate_complete_page],
[mm/truncate.c],[
AC_DEFINE(HAVE_TRUNCATE_COMPLETE_PAGE, 1,
[kernel export truncate_complete_page])
],[
])
])
AC_DEFUN([LC_EXPORT_D_REHASH_COND],
[LB_CHECK_SYMBOL_EXPORT([d_rehash_cond],
[fs/dcache.c],[
AC_DEFINE(HAVE_D_REHASH_COND, 1,
[d_rehash_cond is exported by the kernel])
],[
])
])
AC_DEFUN([LC_EXPORT___D_REHASH],
[LB_CHECK_SYMBOL_EXPORT([__d_rehash],
[fs/dcache.c],[
AC_DEFINE(HAVE___D_REHASH, 1,
[__d_rehash 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/$LINUX_ARCH/kernel/smpboot.c],
[AC_DEFINE(HAVE_NODE_TO_CPUMASK, 1,
[node_to_cpumask is exported by
the kernel])]) # i386
])
#
# LC_VFS_INTENT_PATCHES
#
# check if the kernel has the VFS intent patches
AC_DEFUN([LC_VFS_INTENT_PATCHES],
[AC_MSG_CHECKING([if the kernel has the VFS intent patches])
LB_LINUX_TRY_COMPILE([
#include <linux/fs.h>
#include <linux/namei.h>
],[
struct nameidata nd;
struct lookup_intent *it;
it = &nd.intent;
intent_init(it, IT_OPEN);
it->d.lustre.it_disposition = 0;
it->d.lustre.it_data = NULL;
],[
AC_MSG_RESULT([yes])
AC_DEFINE(HAVE_VFS_INTENT_PATCHES, 1, [VFS intent patches are applied])
],[
AC_MSG_RESULT([no])
])
])
AC_DEFUN([LC_S_TIME_GRAN],
[AC_MSG_CHECKING([if super block has s_time_gran member])
LB_LINUX_TRY_COMPILE([
#include <linux/fs.h>
],[
struct super_block sb;
return sb.s_time_gran;
],[
AC_MSG_RESULT([yes])
AC_DEFINE(HAVE_S_TIME_GRAN, 1, [super block has s_time_gran member])
],[ AC_MSG_RESULT([no])
])
])
AC_DEFUN([LC_SB_TIME_GRAN],
[AC_MSG_CHECKING([if kernel has old get_sb_time_gran])
LB_LINUX_TRY_COMPILE([
#include <linux/fs.h>
],[
return get_sb_time_gran(NULL);
],[
AC_MSG_RESULT([yes])
AC_DEFINE(HAVE_SB_TIME_GRAN, 1, [kernel has old get_sb_time_gran])
],[
AC_MSG_RESULT([no])
])
])
# ~2.6.12 merge patch from oracle to convert tree_lock from spinlock to rwlock
AC_DEFUN([LC_RW_TREE_LOCK],
[AC_MSG_CHECKING([if kernel has tree_lock as rwlock])
tmp_flags="$EXTRA_KCFLAGS"
EXTRA_KCFLAGS="-Werror"
LB_LINUX_TRY_COMPILE([
#include <linux/fs.h>
],[
struct address_space a;
write_lock(&a.tree_lock);
],[
AC_MSG_RESULT([yes])
AC_DEFINE(HAVE_RW_TREE_LOCK, 1, [kernel has tree_lock as rw_lock])
],[
AC_MSG_RESULT([no])
])
EXTRA_KCFLAGS="$tmp_flags"
])
AC_DEFUN([LC_CONST_ACL_SIZE],
[AC_MSG_CHECKING([calc acl size])
tmp_flags="$CFLAGS"
CFLAGS="$CFLAGS -I $LINUX/include $EXTRA_KCFLAGS"
AC_TRY_RUN([
#include <linux/autoconf.h>
#include <linux/types.h>
// block include
#define __LINUX_POSIX_ACL_H
# ifdef CONFIG_FS_POSIX_ACL
# ifdef HAVE_XATTR_ACL
# include <linux/xattr_acl.h>
# endif
# ifdef HAVE_LINUX_POSIX_ACL_XATTR_H
# include <linux/posix_acl_xattr.h>
# endif
# endif
#include <linux/lustre_acl.h>
#include <stdio.h>
int main(void)
{
int size = mds_xattr_acl_size(LUSTRE_POSIX_ACL_MAX_ENTRIES);
FILE *f = fopen("acl.size","w+");
fprintf(f,"%d", size);
fclose(f);
return 0;}
],[
acl_size=`cat acl.size`
AC_MSG_RESULT([ACL size $acl_size])
AC_DEFINE_UNQUOTED(XATTR_ACL_SIZE, AS_TR_SH([$acl_size]), [size of xattr acl])
],[
AC_ERROR([ACL size can't computed])
])
CFLAGS="$tmp_flags"
])
#
# LC_PROG_LINUX
#
# Lustre linux kernel checks
#
AC_DEFUN([LC_PROG_LINUX],
[ LC_LUSTRE_VERSION_H
if test x$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_TASK_PPTR
# RHEL4 patches
LC_EXPORT_TRUNCATE_COMPLETE
LC_EXPORT_D_REHASH_COND
LC_EXPORT___D_REHASH
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_POSIX_ACL_XATTR_H
LC_CONST_ACL_SIZE
LC_STRUCT_INTENT_FILE
LC_FUNC_SET_FS_PWD
LC_CAPA_CRYPTO
LC_CONFIG_GSS
LC_FUNC_MS_FLOCK_LOCK
LC_FUNC_HAVE_CAN_SLEEP_ARG
LC_FUNC_F_OP_FLOCK
LC_QUOTA_READ
LC_COOKIE_FOLLOW_LINKLC_FUNC_RCU
# does the kernel have VFS intent patches?
LC_VFS_INTENT_PATCHES
# ~2.6.11
LC_S_TIME_GRAN
LC_SB_TIME_GRAN
# 2.6.12
LC_RW_TREE_LOCK
# 2.6.15
LC_INODE_I_MUTEX
# 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
# 2.6.19
LC_INODE_BLKSIZE
LC_VFS_READDIR_U64_INO
LC_GENERIC_FILE_READ
LC_GENERIC_FILE_WRITE
# 2.6.20
LC_CANCEL_DIRTY_PAGE
# raid5-zerocopy patch
LC_PAGE_CONSTANT
])
#
# 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 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
])
#
# LC_CONFIG_QUOTA
#
# whether to enable quota support
#
AC_DEFUN([LC_CONFIG_QUOTA],
[AC_MSG_CHECKING([whether to disable quota support])
AC_ARG_ENABLE([quota],
AC_HELP_STRING([--disable-quota],
[disable quota support]),
[],[enable_quota='yes'])
AC_MSG_RESULT([$enable_quota])
if test x$linux25 != xyes; then
enable_quota='no'
fi
if test x$enable_quota != xno; then
AC_DEFINE(HAVE_QUOTA_SUPPORT, 1, [Enable quota support])
fi
])
#
# LC_CONFIG_SPLIT
#
# whether to enable split support
#
AC_DEFUN([LC_CONFIG_SPLIT],
[AC_MSG_CHECKING([whether to enable split support])
AC_ARG_ENABLE([split], AC_HELP_STRING([--enable-split],
[enable split support]),
[],[enable_split='no'])
AC_MSG_RESULT([$enable_split])
if test x$enable_split != xno; then
AC_DEFINE(HAVE_SPLIT_SUPPORT, 1, [enable split 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/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
# utils/llverfs.c
AC_CHECK_HEADERS([ext2fs/ext2fs.h])
# 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$enable_quota = xyes)
AM_CONDITIONAL(SPLIT, test x$enable_split = 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(GSS, test x$enable_gss = xyes)
AM_CONDITIONAL(GSS_KEYRING, test x$enable_gss_keyring = xyes)
AM_CONDITIONAL(GSS_PIPEFS, test x$enable_gss_pipefs = xyes)
AM_CONDITIONAL(LIBPTHREAD, test x$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/ldlm/Makefile
lustre/fid/Makefile
lustre/fid/autoMakefile
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/lmv/Makefile
lustre/lmv/autoMakefile
lustre/mds/Makefile
lustre/mds/autoMakefile
lustre/mdt/Makefile
lustre/mdt/autoMakefile
lustre/cmm/Makefile
lustre/cmm/autoMakefile
lustre/mdd/Makefile
lustre/mdd/autoMakefile
lustre/fld/Makefile
lustre/fld/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/autoMakefilelustre/ost/Makefile
lustre/ost/autoMakefile
lustre/osd/Makefile
lustre/osd/autoMakefile
lustre/mgc/Makefile
lustre/mgc/autoMakefile
lustre/mgs/Makefile
lustre/mgs/autoMakefile
lustre/ptlrpc/Makefile
lustre/ptlrpc/autoMakefile
lustre/ptlrpc/gss/Makefile
lustre/ptlrpc/gss/autoMakefile
lustre/quota/Makefile
lustre/quota/autoMakefile
lustre/scripts/Makefile
lustre/scripts/version_tag.pl
lustre/tests/Makefile
lustre/utils/Makefile
lustre/utils/gss/Makefile
])
case $lb_target_os in
darwin)
AC_CONFIG_FILES([ lustre/obdclass/darwin/Makefile ])
;;
esac
])