dafs-accurately-track-inuse-20080317
[openafs.git] / acinclude.m4
index 830145f..5fbf5c2 100644 (file)
@@ -9,14 +9,12 @@ AC_DEFUN([OPENAFS_CONFIGURE_COMMON],[
 AC_CANONICAL_HOST
 SRCDIR_PARENT=`pwd`
 
-#BOZO_SAVE_CORES pam sia
+#BOZO_SAVE_CORES pam
 AC_ARG_WITH(afs-sysname,
 [  --with-afs-sysname=sys    use sys for the afs sysname]
 )
-AC_ARG_ENABLE( obsolete,
-[  --enable-obsolete                   enable obsolete portions of AFS (mpp and package)],, enable_obsolete="no")
 AC_ARG_ENABLE( afsdb,
-[  --disable-afsdb                     disable AFSDB RR support],, enable_afsdb="yes")
+[  --disable-afsdb                     disable AFSDB DNS RR support],, enable_afsdb="yes")
 AC_ARG_ENABLE( pam,
 [  --disable-pam                       disable PAM support],, enable_pam="yes")
 AC_ARG_ENABLE( bos-restricted-mode,
@@ -33,6 +31,10 @@ AC_ARG_ENABLE( fast-restart,
 [  --enable-fast-restart               enable fast startup of file server without salvaging],, enable_fast_restart="no")
 AC_ARG_ENABLE( bitmap-later,
 [  --enable-bitmap-later               enable fast startup of file server by not reading bitmap till needed],, enable_bitmap_later="no")
+AC_ARG_ENABLE( demand-attach-fs,
+[  --enable-demand-attach-fs           enable Demand Attach Fileserver (please see documentation)],, enable_demand_attach_fs="no")
+AC_ARG_ENABLE( unix-sockets,
+[  --enable-unix-sockets               enable use of unix domain sockets for fssync],, enable_unix_sockets="yes")
 AC_ARG_ENABLE( full-vos-listvol-switch,
 [  --disable-full-vos-listvol-switch    disable vos full listvol switch for formatted output],, enable_full_vos_listvol_switch="yes")
 AC_ARG_WITH(dux-kernel-headers,
@@ -68,6 +70,9 @@ AC_ARG_ENABLE(optimize-kernel,
 AC_ARG_ENABLE(debug,
 [  --enable-debug                      enable compilation of the user space code with debugging information (defaults to disabled)],, enable_debug="no"
 )
+AC_ARG_ENABLE(strip-binaries,
+[  --disable-strip-binaries             disable stripping of symbol information from binaries (defaults to enabled)],, enable_strip_binaries="maybe"
+)
 AC_ARG_ENABLE(optimize,
 [  --disable-optimize                  disable optimization for compilation of the user space code (defaults to enabled)],, enable_optimize="yes"
 )
@@ -77,6 +82,16 @@ AC_ARG_ENABLE(debug-lwp,
 AC_ARG_ENABLE(optimize-lwp,
 [  --disable-optimize-lwp              disable optimization for compilation of the LWP code (defaults to enabled)],, enable_optimize_lwp="yes"
 )
+AC_ARG_ENABLE(debug-pam,
+[  --enable-debug-pam                  enable compilation of the PAM code with debugging information (defaults to disabled)],, enable_debug_pam="no"
+)
+AC_ARG_ENABLE(optimize-pam,
+[  --disable-optimize-pam              disable optimization for compilation of the PAM code (defaults to enabled)],, enable_optimize_pam="yes"
+)
+AC_ARG_ENABLE(warnings,
+[  --enable-warnings                   enable compilation warnings when building with gcc (defaults to disabled)],, enable_warnings="no"
+)
+
 
 enable_login="no"
 
@@ -113,7 +128,10 @@ case $system in
                 if test "x$with_linux_kernel_headers" != "x"; then
                   LINUX_KERNEL_PATH="$with_linux_kernel_headers"
                 else
-                  LINUX_KERNEL_PATH="/lib/modules/`uname -r`/build"
+                  LINUX_KERNEL_PATH="/lib/modules/`uname -r`/source"
+                  if test ! -f "$LINUX_KERNEL_PATH/include/linux/version.h"; then
+                    LINUX_KERNEL_PATH="/lib/modules/`uname -r`/build"
+                  fi
                   if test ! -f "$LINUX_KERNEL_PATH/include/linux/version.h"; then
                     LINUX_KERNEL_PATH="/usr/src/linux-2.4"
                   fi
@@ -121,6 +139,10 @@ case $system in
                     LINUX_KERNEL_PATH="/usr/src/linux"
                   fi
                 fi
+               if test -f "$LINUX_KERNEL_PATH/include/linux/utsrelease.h"; then
+                linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_PATH/include/linux/utsrelease.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
+                LINUX_VERSION="$linux_kvers"
+               else
                 if test -f "$LINUX_KERNEL_PATH/include/linux/version.h"; then
                  linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_PATH/include/linux/version.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
                  if test "x$linux_kvers" = "x"; then
@@ -143,6 +165,7 @@ case $system in
                 else
                     enable_kernel_module="no"
                  fi
+               fi
                 if test ! -f "$LINUX_KERNEL_PATH/include/linux/autoconf.h"; then
                     enable_kernel_module="no"
                 fi
@@ -198,17 +221,6 @@ case $system in
         *-osf*)
                MKAFS_OSTYPE=DUX
                 AC_MSG_RESULT(alpha_dux)
-               if test "x$enable_kernel_module" = "xyes"; then
-                if test "x$with_dux_kernel_headers" != "x"; then
-                  HEADER_RT=`ls ${with_dux_kernel_headers}/rt_preempt.h | head -1 | sed 's,/rt_preempt.h,,;s,/usr/sys/,,'`
-                else
-                  HEADER_RT=`ls /usr/sys/*/rt_preempt.h | head -1 | sed 's,/rt_preempt.h,,;s,/usr/sys/,,'`
-                fi
-               fi
-               if test "$HEADER_RT" = "*" ; then
-                       AC_MSG_ERROR([Need a configured kernel directory])
-               fi
-               AC_SUBST([HEADER_RT])
                 ;;
         powerpc-*-darwin*)
                MKAFS_OSTYPE=DARWIN
@@ -246,6 +258,12 @@ else
                        vm=${v#*.}
                        AFS_SYSNAME="i386_obsd${vM}${vm}"
                        ;;
+               sparc64-*-openbsd?.?)
+                       v=${host#*openbsd}
+                       vM=${v%.*}
+                       vm=${v#*.}
+                       AFS_SYSNAME="sparc64_obsd${vM}${vm}"
+                       ;;
                i?86-*-freebsd?.*)
                        v=${host#*freebsd}
                        vM=${v%.*}
@@ -253,61 +271,61 @@ else
                        AFS_SYSNAME="i386_fbsd_${vM}${vm}"
                        ;;
                i?86-*-netbsd*1.5*)
-                       AFS_PARAM_COMMON=param.nbsd15.h
                        AFS_SYSNAME="i386_nbsd15"
                        ;;
                alpha-*-netbsd*1.5*)
-                       AFS_PARAM_COMMON=param.nbsd15.h
                        AFS_SYSNAME="alpha_nbsd15"
                        ;;
                i?86-*-netbsd*1.6[[M-Z]]*)
-                       AFS_PARAM_COMMON=param.nbsd20.h
                        AFS_SYSNAME="i386_nbsd20"
                        ;;
                powerpc-*-netbsd*1.6[[M-Z]]*)
-                       AFS_PARAM_COMMON=param.nbsd20.h
                        AFS_SYSNAME="ppc_nbsd20"
                        ;;
                i?86-*-netbsd*2.0*)
-                       AFS_PARAM_COMMON=param.nbsd20.h
                        AFS_SYSNAME="i386_nbsd20"
                        ;;
                amd64-*-netbsd*2.0*)
-                       AFS_PARAM_COMMON=param.nbsd20.h
                        AFS_SYSNAME="amd64_nbsd20"
                        ;;
+               x86_64-*-netbsd*3.[0-8]*)
+                       AFS_PARAM_COMMON=param.nbsd30.h
+                       AFS_SYSNAME="amd64_nbsd30"
+                       ;;
+               x86_64-*-netbsd*4.[0-8]*)
+                       AFS_PARAM_COMMON=param.nbsd40.h
+                       AFS_SYSNAME="amd64_nbsd40"
+                       ;;
                powerpc-*-netbsd*2.0*)
-                       AFS_PARAM_COMMON=param.nbsd20.h
                        AFS_SYSNAME="ppc_nbsd20"
                        ;;
                i?86-*-netbsd*1.6*)
-                       AFS_PARAM_COMMON=param.nbsd16.h
                        AFS_SYSNAME="i386_nbsd16"
                        ;;
                alpha-*-netbsd*1.6*)
-                       AFS_PARAM_COMMON=param.nbsd16.h
                        AFS_SYSNAME="alpha_nbsd16"
                        ;;
                powerpc-*-netbsd*1.6*)
-                       AFS_PARAM_COMMON=param.nbsd16.h
                        AFS_SYSNAME="ppc_nbsd16"
                        ;;
                i?86-*-netbsd*2.1*)
-                       AFS_PARAM_COMMON=param.nbsd21.h
                        AFS_SYSNAME="i386_nbsd21"
                        ;;
                i?86-*-netbsd*2.99*)
-                       AFS_PARAM_COMMON=param.nbsd30.h
                        AFS_SYSNAME="i386_nbsd30"
                        ;;
-               i?86-*-netbsd*3.0*)
-                       AFS_PARAM_COMMON=param.nbsd30.h
+               i?86-*-netbsd*3.[[0-8]]*)
                        AFS_SYSNAME="i386_nbsd30"
                        ;;
                i?86-*-netbsd*3.99*)
-                       AFS_PARAM_COMMON=param.nbsd30.h
                        AFS_SYSNAME="i386_nbsd30"
                        ;;
+               i?86-*-netbsd*4.[[0-8]]*)
+                       AFS_SYSNAME="i386_nbsd40"
+                       ;;
+               i?86-*-netbsd*4.99*)
+                       AFS_SYSNAME="i386_nbsd40"
+                       ;;
                hppa*-hp-hpux11.0*)
                        AFS_SYSNAME="hp_ux110"
                        ;;
@@ -417,6 +435,9 @@ else
                sparc-sun-solaris2.10)
                        AFS_SYSNAME="sun4x_510"
                        ;;
+               sparc-sun-solaris2.11)
+                       AFS_SYSNAME="sun4x_511"
+                       ;;
                sparc-sun-sunos4*)
                        AFS_SYSNAME="sun4_413"
                        enable_login="yes"
@@ -433,6 +454,9 @@ else
                i386-pc-solaris2.10)
                        AFS_SYSNAME="sunx86_510"
                        ;;
+               i386-pc-solaris2.11)
+                       AFS_SYSNAME="sunx86_511"
+                       ;;
                alpha*-dec-osf4.0*)
                        AFS_SYSNAME="alpha_dux40"
                        ;;
@@ -464,7 +488,7 @@ else
                        AFS_SYSNAME="s390x_linuxXX"
                        ;;
                sparc-*-linux*)
-                       AFS_SYSNAME="sparc_linuxXX"
+                       AFS_SYSNAME="`/bin/arch`_linuxXX"
                        ;;
                sparc64-*-linux*)
                        AFS_SYSNAME="sparc64_linuxXX"
@@ -472,7 +496,7 @@ else
                i?86-*-linux*)
                        AFS_SYSNAME="i386_linuxXX"
                        ;;
-               parisc-*-linux-gnu)
+               parisc-*-linux-gnu|hppa-*-linux-gnu)
                        AFS_SYSNAME="parisc_linuxXX"
                        enable_pam="no"
                        ;;
@@ -530,6 +554,20 @@ else
         AC_MSG_RESULT($AFS_SYSNAME)
 fi
 
+dnl Some hosts have a separate common param file they should include.  Figure
+dnl out if we're on one of them now that we know the sysname.
+case $AFS_SYSNAME in
+    *_nbsd15)   AFS_PARAM_COMMON=param.nbsd15.h  ;;
+    *_nbsd16)   AFS_PARAM_COMMON=param.nbsd16.h  ;;
+    *_nbsd20)   AFS_PARAM_COMMON=param.nbsd20.h  ;;
+    *_nbsd21)   AFS_PARAM_COMMON=param.nbsd21.h  ;;
+    *_nbsd30)   AFS_PARAM_COMMON=param.nbsd30.h  ;;
+    *_nbsd40)   AFS_PARAM_COMMON=param.nbsd40.h  ;;
+    *_linux22)  AFS_PARAM_COMMON=param.linux22.h ;;
+    *_linux24)  AFS_PARAM_COMMON=param.linux24.h ;;
+    *_linux26)  AFS_PARAM_COMMON=param.linux26.h ;;
+esac
+
 case $AFS_SYSNAME in *_linux* | *_umlinux*)
 
                # Add (sub-) architecture-specific paths needed by conftests
@@ -556,13 +594,24 @@ case $AFS_SYSNAME in *_linux* | *_umlinux*)
                   [LINUX_BUILD_VNODE_FROM_INODE(src/config,src/afs)],
                   [LINUX_BUILD_VNODE_FROM_INODE(${srcdir}/src/config,src/afs/LINUX,${srcdir}/src/afs/LINUX)]
                 )
+
+                 LINUX_KBUILD_USES_EXTRA_CFLAGS
+                LINUX_KERNEL_COMPILE_WORKS
+                 LINUX_HAVE_CURRENT_KERNEL_TIME
+                 LINUX_KMEM_CACHE_INIT
+                LINUX_HAVE_KMEM_CACHE_T
+                LINUX_KMEM_CACHE_CREATE_TAKES_DTOR
+                LINUX_CONFIG_H_EXISTS
                 LINUX_COMPLETION_H_EXISTS
+                LINUX_EXPORTFS_H_EXISTS
                 LINUX_DEFINES_FOR_EACH_PROCESS
                 LINUX_DEFINES_PREV_TASK
                 LINUX_FS_STRUCT_SUPER_HAS_ALLOC_INODE
                 LINUX_FS_STRUCT_ADDRESS_SPACE_HAS_PAGE_LOCK
                 LINUX_FS_STRUCT_ADDRESS_SPACE_HAS_GFP_MASK
                 LINUX_FS_STRUCT_INODE_HAS_I_ALLOC_SEM
+                LINUX_FS_STRUCT_INODE_HAS_I_BLKBITS
+                LINUX_FS_STRUCT_INODE_HAS_I_BLKSIZE
                 LINUX_FS_STRUCT_INODE_HAS_I_TRUNCATE_SEM
                 LINUX_FS_STRUCT_INODE_HAS_I_DIRTY_DATA_BUFFERS
                 LINUX_FS_STRUCT_INODE_HAS_I_DEVICES
@@ -574,13 +623,23 @@ case $AFS_SYSNAME in *_linux* | *_umlinux*)
                 LINUX_FS_STRUCT_INODE_HAS_INOTIFY_SEM
                 LINUX_INODE_SETATTR_RETURN_TYPE
                 LINUX_WRITE_INODE_RETURN_TYPE
-                LINUX_IOP_NAMEIDATA
+                LINUX_IOP_I_CREATE_TAKES_NAMEIDATA
+                LINUX_IOP_I_LOOKUP_TAKES_NAMEIDATA
+                LINUX_IOP_I_PERMISSION_TAKES_NAMEIDATA
+                LINUX_IOP_I_PUT_LINK_TAKES_COOKIE
+                LINUX_DOP_D_REVALIDATE_TAKES_NAMEIDATA
+                LINUX_FOP_F_FLUSH_TAKES_FL_OWNER_T
                 LINUX_AOP_WRITEBACK_CONTROL
+                LINUX_FS_STRUCT_FOP_HAS_FLOCK
+                LINUX_FS_STRUCT_FOP_HAS_SENDFILE
+                LINUX_FS_STRUCT_FOP_HAS_SPLICE
                 LINUX_KERNEL_LINUX_SYSCALL_H
                 LINUX_KERNEL_LINUX_SEQ_FILE_H
+                LINUX_KERNEL_POSIX_LOCK_FILE_WAIT_ARG
                 LINUX_KERNEL_SELINUX
                 LINUX_KERNEL_SOCK_CREATE
                 LINUX_KERNEL_PAGE_FOLLOW_LINK
+                 LINUX_KEY_TYPE_H_EXISTS
                 LINUX_NEED_RHCONFIG
                 LINUX_RECALC_SIGPENDING_ARG_TYPE
                 LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_PARENT
@@ -591,7 +650,31 @@ case $AFS_SYSNAME in *_linux* | *_umlinux*)
                 LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_RLIM
                 LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_SIGNAL_RLIM
                 LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_EXIT_STATE
+                LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_TGID
+                LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_TODO
+                LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_THREAD_INFO
+                LINUX_EXPORTS_TASKLIST_LOCK
+                LINUX_GET_SB_HAS_STRUCT_VFSMOUNT
+                LINUX_STATFS_TAKES_DENTRY
+                LINUX_FREEZER_H_EXISTS
+                LINUX_HAVE_SVC_ADDR_IN
+                if test "x$ac_cv_linux_freezer_h_exists" = "xyes" ; then
+                 AC_DEFINE(FREEZER_H_EXISTS, 1, [define if you have linux/freezer.h])
+                fi
                 LINUX_REFRIGERATOR
+                LINUX_LINUX_KEYRING_SUPPORT
+                LINUX_KEY_ALLOC_NEEDS_STRUCT_TASK
+                LINUX_DO_SYNC_READ
+                LINUX_GENERIC_FILE_AIO_READ
+                LINUX_INIT_WORK_HAS_DATA
+                LINUX_REGISTER_SYSCTL_TABLE_NOFLAG
+                LINUX_SYSCTL_TABLE_CHECKING
+                LINUX_HAVE_IGET
+                LINUX_FS_STRUCT_NAMEIDATA_HAS_PATH
+                 LINUX_EXPORTS_SYS_CHDIR
+                 LINUX_EXPORTS_SYS_CLOSE
+                 LINUX_EXPORTS_SYS_OPEN
+                 LINUX_EXPORTS_SYS_WAIT4
                 LINUX_WHICH_MODULES
                  if test "x$ac_cv_linux_config_modversions" = "xno" -o $AFS_SYSKVERS -ge 26; then
                    AC_MSG_WARN([Cannot determine sys_call_table status. assuming it isn't exported])
@@ -605,9 +688,6 @@ case $AFS_SYSNAME in *_linux* | *_umlinux*)
                    LINUX_EXPORTS_KALLSYMS_SYMBOL
                    LINUX_EXPORTS_SYS_CALL_TABLE
                    LINUX_EXPORTS_IA32_SYS_CALL_TABLE
-                   LINUX_EXPORTS_SYS_CHDIR
-                   LINUX_EXPORTS_SYS_CLOSE
-                   LINUX_EXPORTS_SYS_WAIT4
                    if test "x$ac_cv_linux_exports_sys_call_table" = "xno"; then
                          linux_syscall_method=none
                          if test "x$ac_cv_linux_exports_init_mm" = "xyes"; then
@@ -637,6 +717,9 @@ case $AFS_SYSNAME in *_linux* | *_umlinux*)
                 if test "x$ac_cv_linux_exports_sys_chdir" = "xyes" ; then
                  AC_DEFINE(EXPORTED_SYS_CHDIR, 1, [define if your linux kernel exports sys_chdir])
                 fi
+                if test "x$ac_cv_linux_exports_sys_open" = "xyes" ; then
+                 AC_DEFINE(EXPORTED_SYS_OPEN, 1, [define if your linux kernel exports sys_open])
+                fi
                 if test "x$ac_cv_linux_exports_sys_close" = "xyes" ; then
                  AC_DEFINE(EXPORTED_SYS_CLOSE, 1, [define if your linux kernel exports sys_close])
                 fi
@@ -658,6 +741,15 @@ case $AFS_SYSNAME in *_linux* | *_umlinux*)
                 if test "x$ac_cv_linux_completion_h_exists" = "xyes" ; then
                  AC_DEFINE(COMPLETION_H_EXISTS, 1, [define if completion_h exists])
                 fi
+                if test "x$ac_cv_linux_config_h_exists" = "xyes" ; then
+                 AC_DEFINE(CONFIG_H_EXISTS, 1, [define if config.h exists])
+                fi
+                if test "x$ac_cv_linux_exportfs_h_exists" = "xyes"; then
+                 AC_DEFINE(EXPORTFS_H_EXISTS, 1, [define if linux/exportfs.h exists])
+                fi
+                if test "x$ac_cv_linux_key_type_h_exists" = "xyes" ; then
+                 AC_DEFINE(KEY_TYPE_H_EXISTS, 1, [define if key-type.h exists])
+                fi
                 if test "x$ac_cv_linux_defines_for_each_process" = "xyes" ; then
                  AC_DEFINE(DEFINED_FOR_EACH_PROCESS, 1, [define if for_each_process defined])
                 fi
@@ -685,6 +777,9 @@ case $AFS_SYSNAME in *_linux* | *_umlinux*)
                 if test "x$ac_cv_linux_fs_struct_inode_has_i_alloc_sem" = "xyes"; then 
                  AC_DEFINE(STRUCT_INODE_HAS_I_ALLOC_SEM, 1, [define if your struct inode has alloc_sem])
                 fi
+                if test "x$ac_cv_linux_fs_struct_inode_has_i_blksize" = "xyes"; then 
+                 AC_DEFINE(STRUCT_INODE_HAS_I_BLKSIZE, 1, [define if your struct inode has i_blksize])
+                fi
                 if test "x$ac_cv_linux_fs_struct_inode_has_i_devices" = "xyes"; then 
                  AC_DEFINE(STRUCT_INODE_HAS_I_DEVICES, 1, [define if you struct inode has i_devices])
                 fi
@@ -709,6 +804,9 @@ case $AFS_SYSNAME in *_linux* | *_umlinux*)
                 if test "x$ac_cv_linux_func_recalc_sigpending_takes_void" = "xyes"; then 
                  AC_DEFINE(RECALC_SIGPENDING_TAKES_VOID, 1, [define if your recalc_sigpending takes void])
                 fi
+                if test "x$ac_cv_linux_kernel_posix_lock_file_wait_arg" = "xyes" ; then
+                 AC_DEFINE(POSIX_LOCK_FILE_WAIT_ARG, 1, [define if your linux kernel uses 3 arguments for posix_lock_file])
+                fi
                 if test "x$ac_cv_linux_kernel_is_selinux" = "xyes" ; then
                  AC_DEFINE(LINUX_KERNEL_IS_SELINUX, 1, [define if your linux kernel uses SELinux features])
                 fi
@@ -748,6 +846,89 @@ case $AFS_SYSNAME in *_linux* | *_umlinux*)
                 if test "x$ac_cv_linux_sched_struct_task_struct_has_exit_state" = "xyes"; then 
                  AC_DEFINE(STRUCT_TASK_STRUCT_HAS_EXIT_STATE, 1, [define if your struct task_struct has exit_state])
                 fi
+                if test "x$ac_cv_linux_sched_struct_task_struct_has_tgid" = "xyes"; then 
+                 AC_DEFINE(STRUCT_TASK_STRUCT_HAS_TGID, 1, [define if your struct task_struct has tgid])
+                fi
+                if test "x$ac_cv_linux_sched_struct_task_struct_has_todo" = "xyes"; then 
+                 AC_DEFINE(STRUCT_TASK_STRUCT_HAS_TODO, 1, [define if your struct task_struct has todo])
+                fi
+                if test "x$ac_cv_linux_sched_struct_task_struct_has_thread_info" = "xyes"; then 
+                 AC_DEFINE(STRUCT_TASK_STRUCT_HAS_THREAD_INFO, 1, [define if your struct task_struct has thread_info])
+                fi
+                if test "x$ac_cv_linux_get_sb_has_struct_vfsmount" = "xyes"; then
+                 AC_DEFINE(GET_SB_HAS_STRUCT_VFSMOUNT, 1, [define if your get_sb_nodev needs a struct vfsmount argument])
+                fi
+                if test "x$ac_cv_linux_statfs_takes_dentry" = "xyes"; then
+                 AC_DEFINE(STATFS_TAKES_DENTRY, 1, [define if your statfs takes a dentry argument])
+                fi
+                if test "x$ac_cv_linux_func_a_writepage_takes_writeback_control" = "xyes" ; then
+                 AC_DEFINE(AOP_WRITEPAGE_TAKES_WRITEBACK_CONTROL, 1, [define if your aops.writepage takes a struct writeback_control argument])
+                fi
+                if test "x$ac_cv_linux_func_refrigerator_takes_pf_freeze" = "xyes" ; then
+                 AC_DEFINE(LINUX_REFRIGERATOR_TAKES_PF_FREEZE, 1, [define if your refrigerator takes PF_FREEZE])
+                fi
+                if test "x$ac_cv_linux_func_i_create_takes_nameidata" = "xyes" ; then
+                 AC_DEFINE(IOP_CREATE_TAKES_NAMEIDATA, 1, [define if your iops.create takes a nameidata argument])
+                fi
+                if test "x$ac_cv_linux_func_f_flush_takes_fl_owner_t" = "xyes" ; then
+                 AC_DEFINE(FOP_FLUSH_TAKES_FL_OWNER_T, 1, [define if your fops.flush takes an fl_owner_t argument])
+                fi
+                if test "x$ac_cv_linux_func_i_lookup_takes_nameidata" = "xyes" ; then
+                 AC_DEFINE(IOP_LOOKUP_TAKES_NAMEIDATA, 1, [define if your iops.lookup takes a nameidata argument])
+                fi
+                if test "x$ac_cv_linux_func_i_permission_takes_nameidata" = "xyes" ; then
+                 AC_DEFINE(IOP_PERMISSION_TAKES_NAMEIDATA, 1, [define if your iops.permission takes a nameidata argument])
+                fi
+                if test "x$ac_cv_linux_func_d_revalidate_takes_nameidata" = "xyes" ; then
+                 AC_DEFINE(DOP_REVALIDATE_TAKES_NAMEIDATA, 1, [define if your dops.d_revalidate takes a nameidata argument])
+                fi
+                if test "x$ac_cv_linux_init_work_has_data" = "xyes" ; then
+                 AC_DEFINE(INIT_WORK_HAS_DATA, 1, [define if INIT_WORK takes a data (3rd) argument])
+                fi
+                if test "x$ac_cv_linux_fs_struct_fop_has_flock" = "xyes" ; then
+                 AC_DEFINE(STRUCT_FILE_OPERATIONS_HAS_FLOCK, 1, [define if your struct file_operations has flock])
+                fi
+                if test "x$ac_cv_linux_fs_struct_fop_has_sendfile" = "xyes" ; then
+                 AC_DEFINE(STRUCT_FILE_OPERATIONS_HAS_SENDFILE, 1, [define if your struct file_operations has sendfile])
+                fi
+                if test "x$ac_cv_linux_fs_struct_fop_has_splice" = "xyes" ; then
+                 AC_DEFINE(STRUCT_FILE_OPERATIONS_HAS_SPLICE, 1, [define if your struct file_operations has splice_write and splice_read])
+                fi
+                if test "x$ac_cv_linux_register_sysctl_table_noflag" = "xyes" ; then
+                 AC_DEFINE(REGISTER_SYSCTL_TABLE_NOFLAG, 1, [define if register_sysctl_table has no insert_at head flag])
+                fi
+                if test "x$ac_cv_linux_sysctl_table_checking" = "xyes" ; then
+                 AC_DEFINE(SYSCTL_TABLE_CHECKING, 1, [define if your kernel has sysctl table checking])
+                fi
+                if test "x$ac_cv_linux_have_iget" = "xyes" ; then
+                 AC_DEFINE(HAVE_IGET, 1, [define if your kernel has iget])
+                fi
+                if test "x$ac_cv_linux_struct_nameidata_has_path" = "xyes" ; then
+                 AC_DEFINE(STRUCT_NAMEIDATA_HAS_PATH, 1, [define if your struct nameidata has path])
+                fi
+                if test "x$ac_cv_linux_exports_tasklist_lock" = "xyes" ; then
+                 AC_DEFINE(EXPORTED_TASKLIST_LOCK, 1, [define if tasklist_lock exported])
+                fi
+                if test "x$ac_cv_linux_have_kmem_cache_t" = "xyes" ; then
+                 AC_DEFINE(HAVE_KMEM_CACHE_T, 1, [define if kmem_cache_t exists])
+                fi
+                if test "x$ac_cv_linux_kmem_cache_init" = "xyes" ; then
+                 AC_DEFINE(KMEM_CACHE_INIT, 1, [define for new kmem_cache init function parameters])
+                fi
+                if test "x$ac_cv_linux_have_current_kernel_time" = "xyes" ; then
+                 AC_DEFINE(HAVE_CURRENT_KERNEL_TIME, 1, [define if current_kernel_time() exists])
+                fi
+                if test "x$ac_cv_linux_have_kmem_cache_t" = "xyes" ; then
+                 AC_DEFINE(KMEM_CACHE_TAKES_DTOR, 1, [define if kmem_cache_create takes a destructor argument])
+                fi
+                if test "x$ac_cv_linux_kernel_page_follow_link" = "xyes" -o "x$ac_cv_linux_func_i_put_link_takes_cookie" = "xyes"; then
+                 AC_DEFINE(USABLE_KERNEL_PAGE_SYMLINK_CACHE, 1, [define if your kernel has a usable symlink cache API])
+                else
+                 AC_MSG_WARN([your kernel does not have a usable symlink cache API])
+                fi
+                if test "x$ac_cv_linux_have_svc_addr_in" = "xyes"; then
+                 AC_DEFINE(HAVE_SVC_ADDR_IN, 1, [define if svc_add_in exists])
+                 fi
                 :
                fi
 esac
@@ -875,8 +1056,13 @@ else
 fi
 
 PTHREAD_LIBS=error
-AC_CHECK_LIB(pthread, pthread_attr_init,
-             PTHREAD_LIBS="-lpthread")
+if test "x$MKAFS_OSTYPE" = OBSD; then
+        PTHREAD_LIBS="-pthread"
+fi
+if test "x$PTHREAD_LIBS" = xerror; then
+        AC_CHECK_LIB(pthread, pthread_attr_init,
+                PTHREAD_LIBS="-lpthread")
+fi
 if test "x$PTHREAD_LIBS" = xerror; then
         AC_CHECK_LIB(pthreads, pthread_attr_init,
                 PTHREAD_LIBS="-lpthreads")
@@ -898,11 +1084,6 @@ if test "x$PTHREAD_LIBS" = xerror; then
 fi
 AC_SUBST(PTHREAD_LIBS)
 
-WITH_OBSOLETE=NO
-if test "$enable_obsolete" = "yes"; then
-       WITH_OBSOLETE=YES
-fi
-
 HOST_CPU="$host_cpu"
 
 if test "x$with_bsd_kernel_headers" != "x"; then
@@ -937,6 +1118,28 @@ if test "$enable_bitmap_later" = "yes"; then
        AC_DEFINE(BITMAP_LATER, 1, [define if you want to salvager to check bitmasks later])
 fi
 
+if test "$enable_demand_attach_fs" = "yes"; then
+       AC_DEFINE(DEMAND_ATTACH_ENABLE, 1, [define if you want the demand attach fileserver])
+       DEMAND_ATTACH="yes"
+else
+       DEMAND_ATTACH="no"
+fi
+AC_SUBST(DEMAND_ATTACH)
+
+if test "$enable_unix_sockets" = "yes"; then
+       AC_DEFINE(USE_UNIX_SOCKETS, 1, [define if you want to use UNIX sockets for fssync.])
+       USE_UNIX_SOCKETS="yes"
+else
+       USE_UNIX_SOCKETS="no"
+fi
+AC_SUBST(USE_UNIX_SOCKETS)
+
+if test "$enable_fast_restart" = "yes" &&
+   test "$enable_demand_attach_fs" = "yes" ; then
+       AC_MSG_ERROR([The Demand Attach and Fast Restart extensions are mutually exclusive.  Demand Attach fileservers automatically salvage volumes in the background, thereby making Fast Restart pointless.])
+       exit 1
+fi
+
 if test "$enable_full_vos_listvol_switch" = "yes"; then
        AC_DEFINE(FULL_LISTVOL_SWITCH, 1, [define if you want to want listvol switch])
 fi
@@ -987,15 +1190,23 @@ dnl checks for header files.
 AC_HEADER_STDC
 AC_HEADER_SYS_WAIT
 AC_HEADER_DIRENT
-AC_CHECK_HEADERS(stdlib.h string.h unistd.h fcntl.h sys/time.h sys/file.h)
+AC_CHECK_HEADERS(stdlib.h string.h unistd.h poll.h fcntl.h sys/time.h sys/file.h)
 AC_CHECK_HEADERS(netinet/in.h netdb.h sys/fcntl.h sys/mnttab.h sys/mntent.h)
 AC_CHECK_HEADERS(mntent.h sys/vfs.h sys/param.h sys/fs_types.h sys/fstyp.h)
-AC_CHECK_HEADERS(sys/mount.h strings.h termios.h signal.h)
+AC_CHECK_HEADERS(sys/mount.h strings.h termios.h signal.h poll.h)
 AC_CHECK_HEADERS(windows.h malloc.h winsock2.h direct.h io.h sys/user.h)
 AC_CHECK_HEADERS(security/pam_modules.h siad.h usersec.h ucontext.h regex.h values.h)
 
+dnl Don't build PAM on IRIX; the interface doesn't work for us.
 if test "$ac_cv_header_security_pam_modules_h" = yes -a "$enable_pam" = yes; then
-       HAVE_PAM="yes"
+        case $AFS_SYSNAME in
+        sgi_*)
+                HAVE_PAM="no"
+                ;;
+        *)
+               HAVE_PAM="yes"
+                ;;
+        esac
 else
        HAVE_PAM="no"
 fi
@@ -1008,9 +1219,10 @@ else
 fi
 AC_SUBST(BUILD_LOGIN)
 
-AC_CHECK_FUNCS(utimes random srandom getdtablesize snprintf strlcat strlcpy re_comp re_exec)
+AC_CHECK_FUNCS(utimes random srandom getdtablesize snprintf strlcat strlcpy re_comp re_exec flock)
 AC_CHECK_FUNCS(setprogname getprogname sigaction mkstemp vsnprintf strerror strcasestr)
-
+AC_CHECK_FUNCS(setvbuf vsyslog)
+AC_FUNC_SETVBUF_REVERSED
 AC_CHECK_FUNCS(regcomp regexec regerror)
 AC_MSG_CHECKING([for POSIX regex library])
 if test "$ac_cv_header_regex_h" = "yes" && \
@@ -1022,8 +1234,14 @@ if test "$ac_cv_header_regex_h" = "yes" && \
 else
     AC_MSG_RESULT(no)
 fi
-       
+
+AC_TYPE_SIGNAL
 AC_CHECK_TYPE(ssize_t, int)
+AC_CHECK_TYPE([sig_atomic_t], ,
+    [AC_DEFINE([sig_atomic_t], [int],
+        [Define to int if <signal.h> does not define.])],
+[#include <sys/types.h>
+#include <signal.h>])
 AC_SIZEOF_TYPE(long)
 
 AC_MSG_CHECKING(size of time_t)
@@ -1101,7 +1319,6 @@ AC_SUBST(TOP_SRCDIR)
 AC_SUBST(TOP_INCDIR)
 AC_SUBST(TOP_LIBDIR)
 AC_SUBST(DEST)
-AC_SUBST(WITH_OBSOLETE)
 AC_SUBST(DARWIN_INFOFILE)
 AC_SUBST(IRIX_BUILD_IP35)