linux-alternate-kernel-builddir-20081012
[openafs.git] / acinclude.m4
index 4cd7715..985b6ef 100644 (file)
@@ -5,89 +5,291 @@ dnl NB: Because this code is a macro, references to positional shell
 dnl parameters must be done like $[]1 instead of $1
 
 AC_DEFUN([OPENAFS_CONFIGURE_COMMON],[
+AH_VERBATIM([RCSID],
+[#define RCSID(msg) \
+static /**/const char *const rcsid[] = { (char *)rcsid, "\100(#)" msg }
+#undef HAVE_CONNECT
+#undef HAVE_GETHOSTBYNAME
+#undef HAVE_RES_SEARCH
+#undef HAVE_SOCKET
+#undef STRUCT_SOCKADDR_HAS_SA_LEN
+#if !defined(__BIG_ENDIAN__) && !defined(__LITTLE_ENDIAN__)
+# if ENDIANESS_IN_SYS_PARAM_H
+#  ifndef KERNEL
+#   include <sys/types.h>
+#   include <sys/param.h>
+#   if BYTE_ORDER == BIG_ENDIAN
+#   define WORDS_BIGENDIAN 1
+#   endif
+#  else
+#   if defined(AUTOCONF_FOUND_BIGENDIAN)
+#    define WORDS_BIGENDIAN 1
+#   else
+#    undef WORDS_BIGENDIAN
+#   endif
+#  endif
+# else
+#  if defined(AUTOCONF_FOUND_BIGENDIAN)
+#   define WORDS_BIGENDIAN 1
+#  else
+#   undef WORDS_BIGENDIAN
+#  endif
+# endif
+#else
+# if defined(__BIG_ENDIAN__)
+#  define WORDS_BIGENDIAN 1
+# else
+#  undef WORDS_BIGENDIAN
+# endif
+#endif])
+
+#undef AFS_AFSDB_ENV
+#undef AFS_LARGEFILE_ENV
+#undef AFS_NAMEI_ENV
+#undef BITMAP_LATER
+#undef BOS_RESTRICTED_MODE
+#undef BOS_NEW_CONFIG
+#undef FAST_RESTART
+#undef FULL_LISTVOL_SWITCH
+#undef COMPLETION_H_EXISTS
+#undef DEFINED_FOR_EACH_PROCESS
+#undef DEFINED_PREV_TASK
+#undef EXPORTED_KALLSYMS_ADDRESS
+#undef EXPORTED_KALLSYMS_SYMBOL
+#undef EXPORTED_SYS_CALL_TABLE
+#undef EXPORTED_IA32_SYS_CALL_TABLE
+#undef EXPORTED_TASKLIST_LOCK
+#undef INODE_SETATTR_NOT_VOID
+#undef IRIX_HAS_MEM_FUNCS
+#undef RECALC_SIGPENDING_TAKES_VOID
+#undef STRUCT_ADDRESS_SPACE_HAS_GFP_MASK
+#undef STRUCT_ADDRESS_SPACE_HAS_PAGE_LOCK
+#undef STRUCT_FS_HAS_FS_ROLLED
+#undef STRUCT_INODE_HAS_I_DEVICES
+#undef STRUCT_INODE_HAS_I_DIRTY_DATA_BUFFERS
+#undef STRUCT_INODE_HAS_I_ALLOC_SEM
+#undef STRUCT_INODE_HAS_I_TRUNCATE_SEM
+#undef STRUCT_TASK_STRUCT_HAS_PARENT
+#undef STRUCT_TASK_STRUCT_HAS_REAL_PARENT
+#undef STRUCT_TASK_STRUCT_HAS_SIG
+#undef STRUCT_TASK_STRUCT_HAS_SIGHAND
+#undef STRUCT_TASK_STRUCT_HAS_SIGMASK_LOCK
+#undef ssize_t
+#undef HAVE_STRUCT_BUF
+#undef HAVE_ARPA_NAMESER_COMPAT_H
+/* glue for RedHat kernel bug */
+#undef ENABLE_REDHAT_BUILDSYS
+#if defined(ENABLE_REDHAT_BUILDSYS) && defined(KERNEL) && defined(REDHAT_FIX)
+#include "redhat-fix.h"
+#endif
 
 AC_CANONICAL_HOST
 SRCDIR_PARENT=`pwd`
 
 #BOZO_SAVE_CORES pam
-AC_ARG_WITH(afs-sysname,
-[  --with-afs-sysname=sys    use sys for the afs sysname]
-)
-AC_ARG_ENABLE( afsdb,
-[  --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,
-[  --enable-bos-restricted-mode        enable bosserver restricted mode which disables certain bosserver functionality],, enable_bos_restricted_mode="no")
-AC_ARG_ENABLE( bos-new-config,
-[  --enable-bos-new-config             enable bosserver pickup of BosConfig.new on restarts],, enable_bos_new_config="no")
-AC_ARG_ENABLE( largefile-fileserver,
-[  --disable-largefile-fileserver       disable large file support in fileserver],, enable_largefile_fileserver="yes")
-AC_ARG_ENABLE( namei-fileserver,
-[  --enable-namei-fileserver           force compilation of namei fileserver in preference to inode fileserver],, enable_namei_fileserver="no")
-AC_ARG_ENABLE( supergroups,
-[  --enable-supergroups                enable support for nested pts groups],, enable_supergroups="no")
-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,
-[  --with-dux-kernel-headers=path      use the kernel headers found at path(optional, defaults to first match in /usr/sys)]
-)
-AC_ARG_WITH(linux-kernel-headers,
-[  --with-linux-kernel-headers=path            use the kernel headers found at path(optional, defaults to /usr/src/linux-2.4, then /usr/src/linux)]
-)
-AC_ARG_WITH(bsd-kernel-headers,
-[  --with-bsd-kernel-headers=path      use the kernel headers found at path(optional, defaults to /usr/src/sys)]
-)
-AC_ARG_WITH(bsd-kernel-build,
-[  --with-bsd-kernel-build=path        use the kernel build found at path(optional, defaults to KSRC/i386/compile/GENERIC)]
-)
-AC_ARG_ENABLE(kernel-module,
-[  --disable-kernel-module                     disable compilation of the kernel module (defaults to enabled)],, enable_kernel_module="yes"
-)
-AC_ARG_ENABLE(redhat-buildsys,
-[  --enable-redhat-buildsys            enable compilation of the redhat build system kernel (defaults to disabled)],, enable_redhat_buildsys="no"
-)
-AC_ARG_ENABLE(transarc-paths,
-[  --enable-transarc-paths                     Use Transarc style paths like /usr/afs and /usr/vice],, enable_transarc_paths="no"
-)
-AC_ARG_ENABLE(tivoli-tsm,
-[  --enable-tivoli-tsm                 Enable use of the Tivoli TSM API libraries for butc support],, enable_tivoli_tsm="no"
-)
-AC_ARG_ENABLE(debug-kernel,
-[  --enable-debug-kernel               enable compilation of the kernel module with debugging information (defaults to disabled)],, enable_debug_kernel="no"
-)
-AC_ARG_ENABLE(optimize-kernel,
-[  --disable-optimize-kernel           disable compilation of the kernel module with optimization (defaults based on platform)],, enable_optimize_kernel="yes"
-)
-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"
-)
-AC_ARG_ENABLE(debug-lwp,
-[  --enable-debug-lwp                  enable compilation of the LWP code with debugging information (defaults to disabled)],, enable_debug_lwp="no"
-)
-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"
-)
+
+dnl System identity.
+AC_ARG_WITH([afs-sysname],
+    [AS_HELP_STRING([--with-afs-sysname=sys], [use sys for the afs sysname])])
+
+dnl General feature options.
+AC_ARG_ENABLE([afsdb],
+    [AS_HELP_STRING([--disable-afsdb], [disable AFSDB DNS RR support])],
+    ,
+    [enable_afsdb="yes"])
+AC_ARG_ENABLE([pam],
+    [AS_HELP_STRING([--disable-pam], [disable PAM support])],
+    ,
+    [enable_pam="yes"])
+AC_ARG_ENABLE([bos-restricted-mode],
+    [AS_HELP_STRING([--enable-bos-restricted-mode],
+        [enable bosserver restricted mode which disables certain bosserver
+         functionality])],
+    , 
+    [enable_bos_restricted_mode="no"])
+AC_ARG_ENABLE([bos-new-config],
+    [AS_HELP_STRING([--enable-bos-new-config],
+        [enable bosserver pickup of BosConfig.new on restarts])],
+    ,
+    [enable_bos_new_config="no"])
+AC_ARG_ENABLE([largefile-fileserver],
+    [AS_HELP_STRING([--disable-largefile-fileserver],
+        [disable large file support in fileserver])],
+    ,
+    [enable_largefile_fileserver="yes"])
+AC_ARG_ENABLE([namei-fileserver],
+    [AS_HELP_STRING([--enable-namei-fileserver],
+        [force compilation of namei fileserver in preference to inode
+         fileserver])],
+    , 
+    [enable_namei_fileserver="default"])
+AC_ARG_ENABLE([cache-bypass],
+    [AS_HELP_STRING([--enable-cache-bypass],
+        [enable client support for cache bypass])],
+    , 
+    [enable_cache_bypass="no"])
+AC_ARG_ENABLE([supergroups],
+    [AS_HELP_STRING([--enable-supergroups],
+        [enable support for nested pts groups])],
+    , 
+    [enable_supergroups="no"])
+AC_ARG_ENABLE([fast-restart],
+    [AS_HELP_STRING([--enable-fast-restart],
+        [enable fast startup of file server without salvaging])],
+    , 
+    [enable_fast_restart="no"])
+AC_ARG_ENABLE([bitmap-later],
+    [AS_HELP_STRING([--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],
+    [AS_HELP_STRING([--enable-demand-attach-fs],
+        [enable Demand Attach Fileserver (please see documentation)])],
+    , 
+    [enable_demand_attach_fs="no"])
+AC_ARG_ENABLE([disconnected],
+    [AS_HELP_STRING([--enable-disconnected],
+        [enable disconnected support in cache manager (experimental)])],
+    , 
+    [enable_disconnected="no"])
+AC_ARG_ENABLE([unix-sockets],
+    [AS_HELP_STRING([--enable-unix-sockets],
+        [enable use of unix domain sockets for fssync])],
+    ,
+    [enable_unix_sockets="yes"])
+AC_ARG_ENABLE([full-vos-listvol-switch],
+    [AS_HELP_STRING([--disable-full-vos-listvol-switch],
+        [disable vos full listvol switch for formatted output])],
+    , 
+    [enable_full_vos_listvol_switch="yes"])
+AC_ARG_ENABLE([icmp-pmtu-discovery],
+    [AS_HELP_STRING([--enable-icmp-pmtu-discovery],
+        [enable path MTU discovery by decoding ICMP unreachable replies])],
+    , 
+    [enable_icmp_pmtu_discovery="no"])
+AC_ARG_ENABLE([tivoli-tsm],
+    [AS_HELP_STRING([--enable-tivoli-tsm],
+        [enable use of the Tivoli TSM API libraries for butc support])],
+    , 
+    [enable_tivoli_tsm="no"])
+AC_ARG_ENABLE([pthreaded-ubik],
+    [AS_HELP_STRING([--enable-pthreaded-ubik],
+        [enable installation of pthreaded ubik applications (defaults to
+         disabled)])],
+    ,
+    [enable_pthreaded_ubik="no"])
+
+dnl Kernel module build options.
+AC_ARG_WITH([dux-kernel-headers],
+    [AS_HELP_STRING([--with-dux-kernel-headers=path],
+        [use the kernel headers found at path (optional, defaults to first
+         match in /usr/sys)])])
+AC_ARG_WITH([linux-kernel-headers],
+    [AS_HELP_STRING([--with-linux-kernel-headers=path],
+        [use the kernel headers found at path (optional, defaults to
+         /usr/src/linux-2.4, then /usr/src/linux)])])
+AC_ARG_WITH([linux-kernel-build],
+    [AS_HELP_STRING([--with-linux-kernel-build=path],
+       [use the kernel build found at path(optional, defaults to 
+       /usr/src/linux-2.4, then /usr/src/linux)])])
+AC_ARG_WITH([bsd-kernel-headers],
+    [AS_HELP_STRING([--with-bsd-kernel-headers=path],
+        [use the kernel headers found at path (optional, defaults to
+         /usr/src/sys)])])
+AC_ARG_WITH([bsd-kernel-build],
+    [AS_HELP_STRING([--with-bsd-kernel-build=path], 
+        [use the kernel build found at path (optional, defaults to
+         KSRC/i386/compile/GENERIC)])])
+AC_ARG_WITH([linux-kernel-packaging],
+    [AS_HELP_STRING([--with-linux-kernel-packaging],
+        [use standard naming conventions to aid Linux kernel build packaging
+         (disables MPS, sets the kernel module name to openafs.ko, and
+         installs kernel modules into the standard Linux location)])],
+    [AC_SUBST(LINUX_KERNEL_PACKAGING, "yes")
+     AC_SUBST(LINUX_LIBAFS_NAME, "openafs")],
+    [AC_SUBST(LINUX_LIBAFS_NAME, "libafs")])
+AC_ARG_ENABLE([kernel-module],
+    [AS_HELP_STRING([--disable-kernel-module],
+        [disable compilation of the kernel module (defaults to enabled)])],
+    , 
+    [enable_kernel_module="yes"])
+AC_ARG_ENABLE([redhat-buildsys],
+    [AS_HELP_STRING([--enable-redhat-buildsys],
+        [enable compilation of the redhat build system kernel (defaults to
+         disabled)])],
+    ,
+    [enable_redhat_buildsys="no"])
+
+dnl Installation locations.
+AC_ARG_ENABLE([transarc-paths],
+    [AS_HELP_STRING([--enable-transarc-paths],
+        [use Transarc style paths like /usr/afs and /usr/vice])],
+    , 
+    [enable_transarc_paths="no"])
+
+dnl Optimization and debugging flags.
+AC_ARG_ENABLE([strip-binaries],
+    [AS_HELP_STRING([--disable-strip-binaries],
+        [disable stripping of symbol information from binaries (defaults to
+         enabled)])],
+    ,
+    [enable_strip_binaries="maybe"])
+AC_ARG_ENABLE([debug],
+    [AS_HELP_STRING([--enable-debug],
+        [enable compilation of the user space code with debugging information
+         (defaults to disabled)])],
+    , 
+    [enable_debug="no"])
+AC_ARG_ENABLE([optimize],
+    [AS_HELP_STRING([--disable-optimize],
+        [disable optimization for compilation of the user space code (defaults
+         to enabled)])],
+    , 
+    [enable_optimize="yes"])
+AC_ARG_ENABLE([warnings],
+    [AS_HELP_STRING([--enable-warnings],
+        [enable compilation warnings when building with gcc (defaults to
+         disabled)])],
+    ,
+    [enable_warnings="no"])
+AC_ARG_ENABLE([debug-kernel],
+    [AS_HELP_STRING([--enable-debug-kernel],
+        [enable compilation of the kernel module with debugging information
+         (defaults to disabled)])],
+    ,
+    [enable_debug_kernel="no"])
+AC_ARG_ENABLE([optimize-kernel],
+    [AS_HELP_STRING([--disable-optimize-kernel],
+        [disable compilation of the kernel module with optimization (defaults
+         based on platform)])],
+    , 
+    [enable_optimize_kernel="yes"])
+AC_ARG_ENABLE([debug-lwp],
+    [AS_HELP_STRING([--enable-debug-lwp],
+        [enable compilation of the LWP code with debugging information
+         (defaults to disabled)])],
+    ,
+    [enable_debug_lwp="no"])
+AC_ARG_ENABLE([optimize-lwp],
+    [AS_HELP_STRING([--disable-optimize-lwp],
+        [disable optimization for compilation of the LWP code (defaults to
+         enabled)])],
+    ,
+    [enable_optimize_lwp="yes"])
+AC_ARG_ENABLE([debug-pam],
+    [AS_HELP_STRING([--enable-debug-pam],
+        [enable compilation of the PAM code with debugging information
+         (defaults to disabled)])],
+    ,
+    [enable_debug_pam="no"])
+AC_ARG_ENABLE([optimize-pam],
+    [AS_HELP_STRING([--disable-optimize-pam],
+        [disable optimization for compilation of the PAM code (defaults to
+         enabled)])],
+    ,
+    [enable_optimize_pam="yes"])
 
 
 enable_login="no"
@@ -136,15 +338,20 @@ 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 $[]2 }'|tail -n 1`
+                if test "$with_linux_kernel_build" != "x"; then
+                        LINUX_KERNEL_BUILD="$with_linux_kernel_build"
+                else
+                  LINUX_KERNEL_BUILD=$LINUX_KERNEL_PATH
+                fi
+               if test -f "$LINUX_KERNEL_BUILD/include/linux/utsrelease.h"; then
+                linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/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 $[]2 }'|tail -n 1`
+                if test -f "$LINUX_KERNEL_BUILD/include/linux/version.h"; then
+                 linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/linux/version.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
                  if test "x$linux_kvers" = "x"; then
-                   if test -f "$LINUX_KERNEL_PATH/include/linux/version-up.h"; then
-                     linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_PATH/include/linux/version-up.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
+                   if test -f "$LINUX_KERNEL_BUILD/include/linux/version-up.h"; then
+                     linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/linux/version-up.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
                      if test "x$linux_kvers" = "x"; then
 
                        AC_MSG_ERROR(Linux headers lack version definition [2])
@@ -163,7 +370,7 @@ case $system in
                     enable_kernel_module="no"
                  fi
                fi
-                if test ! -f "$LINUX_KERNEL_PATH/include/linux/autoconf.h"; then
+                if test ! -f "$LINUX_KERNEL_BUILD/include/linux/autoconf.h"; then
                     enable_kernel_module="no"
                 fi
                 if test "x$enable_kernel_module" = "xno"; then
@@ -285,6 +492,14 @@ else
                amd64-*-netbsd*2.0*)
                        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_SYSNAME="ppc_nbsd20"
                        ;;
@@ -321,6 +536,9 @@ else
                hppa*-hp-hpux11.11)
                        AFS_SYSNAME="hp_ux11i"
                        ;;
+               hppa*-hp-hpux11.23)
+                       AFS_SYSNAME="hp_ux1123"
+                       ;;
                ia64-hp-hpux11.22)
                        AFS_SYSNAME="ia64_hpux1122"
                        ;;
@@ -509,6 +727,10 @@ else
                        AFS_SYSNAME="rs_aix53"
                        enable_pam="no"
                        ;;
+               power*-ibm-aix6.1*)
+                       AFS_SYSNAME="rs_aix61"
+                       enable_pam="no"
+                       ;;
                x86_64-*-linux-gnu)
                        AFS_SYSNAME="amd64_linuxXX"
                        enable_pam="no"
@@ -584,11 +806,19 @@ case $AFS_SYSNAME in *_linux* | *_umlinux*)
                   [LINUX_BUILD_VNODE_FROM_INODE(${srcdir}/src/config,src/afs/LINUX,${srcdir}/src/afs/LINUX)]
                 )
 
+                 LINUX_KBUILD_USES_EXTRA_CFLAGS
                 LINUX_KERNEL_COMPILE_WORKS
+                LINUX_EXPORTS_FIND_TASK_BY_PID
+                LINUX_EXPORTS_PROC_ROOT_FS
+                 LINUX_HAVE_CURRENT_KERNEL_TIME
+                 LINUX_KMEM_CACHE_INIT
                 LINUX_HAVE_KMEM_CACHE_T
                 LINUX_KMEM_CACHE_CREATE_TAKES_DTOR
+                LINUX_D_PATH_TAKES_STRUCT_PATH
+                LINUX_NEW_EXPORT_OPS
                 LINUX_CONFIG_H_EXISTS
                 LINUX_COMPLETION_H_EXISTS
+                LINUX_SEMAPHORE_H_EXISTS
                 LINUX_EXPORTFS_H_EXISTS
                 LINUX_DEFINES_FOR_EACH_PROCESS
                 LINUX_DEFINES_PREV_TASK
@@ -625,6 +855,8 @@ case $AFS_SYSNAME in *_linux* | *_umlinux*)
                 LINUX_KERNEL_SELINUX
                 LINUX_KERNEL_SOCK_CREATE
                 LINUX_KERNEL_PAGE_FOLLOW_LINK
+                LINUX_KERNEL_HLIST_UNHASHED
+                 LINUX_KEY_TYPE_H_EXISTS
                 LINUX_NEED_RHCONFIG
                 LINUX_RECALC_SIGPENDING_ARG_TYPE
                 LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_PARENT
@@ -653,11 +885,20 @@ case $AFS_SYSNAME in *_linux* | *_umlinux*)
                 LINUX_GENERIC_FILE_AIO_READ
                 LINUX_INIT_WORK_HAS_DATA
                 LINUX_REGISTER_SYSCTL_TABLE_NOFLAG
+                LINUX_SYSCTL_TABLE_CHECKING
+                LINUX_HAVE_IGET
+                LINUX_FS_STRUCT_NAMEIDATA_HAS_PATH
+                LINUX_EXPORTS_INIT_MM
                  LINUX_EXPORTS_SYS_CHDIR
                  LINUX_EXPORTS_SYS_CLOSE
                  LINUX_EXPORTS_SYS_OPEN
                  LINUX_EXPORTS_SYS_WAIT4
-                LINUX_WHICH_MODULES
+                LINUX_EXPORTS_RCU_READ_LOCK
+                if test "x$with_linux_kernel_packaging" = "xno" ; then
+                  LINUX_WHICH_MODULES
+                else
+                  AC_SUBST(MPS,'SP')
+                fi
                  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])
                    ac_cv_linux_exports_sys_call_table=no
@@ -665,7 +906,6 @@ case $AFS_SYSNAME in *_linux* | *_umlinux*)
                     ac_cv_linux_exports_ia32_sys_call_table=yes
                   fi
                  else
-                   LINUX_EXPORTS_INIT_MM
                    LINUX_EXPORTS_KALLSYMS_ADDRESS
                    LINUX_EXPORTS_KALLSYMS_SYMBOL
                    LINUX_EXPORTS_SYS_CALL_TABLE
@@ -709,16 +949,16 @@ case $AFS_SYSNAME in *_linux* | *_umlinux*)
                  AC_DEFINE(EXPORTED_SYS_WAIT4, 1, [define if your linux kernel exports sys_wait4])
                 fi
                  if test "x$ac_cv_linux_exports_sys_call_table" = "xyes"; then
-                  AC_DEFINE(EXPORTED_SYS_CALL_TABLE)
+                  AC_DEFINE(EXPORTED_SYS_CALL_TABLE, 1, [define if your linux kernel exports sys_call_table])
                  fi
                  if test "x$ac_cv_linux_exports_ia32_sys_call_table" = "xyes"; then
-                  AC_DEFINE(EXPORTED_IA32_SYS_CALL_TABLE)
+                  AC_DEFINE(EXPORTED_IA32_SYS_CALL_TABLE, 1, [define if your linux kernel exports ia32_sys_call_table])
                  fi
                  if test "x$ac_cv_linux_exports_kallsyms_symbol" = "xyes"; then
-                  AC_DEFINE(EXPORTED_KALLSYMS_SYMBOL)
+                  AC_DEFINE(EXPORTED_KALLSYMS_SYMBOL, 1, [define if your linux kernel exports kallsyms])
                  fi
                  if test "x$ac_cv_linux_exports_kallsyms_address" = "xyes"; then
-                  AC_DEFINE(EXPORTED_KALLSYMS_ADDRESS)
+                  AC_DEFINE(EXPORTED_KALLSYMS_ADDRESS, 1, [define if your linux kernel exports kallsyms address])
                  fi
                 if test "x$ac_cv_linux_completion_h_exists" = "xyes" ; then
                  AC_DEFINE(COMPLETION_H_EXISTS, 1, [define if completion_h exists])
@@ -729,6 +969,9 @@ case $AFS_SYSNAME in *_linux* | *_umlinux*)
                 if test "x$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
@@ -795,6 +1038,9 @@ case $AFS_SYSNAME in *_linux* | *_umlinux*)
                 if test "x$ac_cv_linux_kernel_page_follow_link" = "xyes" ; then
                  AC_DEFINE(HAVE_KERNEL_PAGE_FOLLOW_LINK, 1, [define if your linux kernel provides page_follow_link])
                 fi
+                if test "x$ac_cv_linux_kernel_hlist_unhashed" = "xyes" ; then
+                 AC_DEFINE(HAVE_KERNEL_HLIST_UNHASHED, 1, [define if your linux kernel provides hlist_unhashed])
+                fi
                 if test "x$ac_linux_syscall" = "xyes" ; then
                  AC_DEFINE(HAVE_KERNEL_LINUX_SYSCALL_H, 1, [define if your linux kernel has linux/syscall.h])
                 fi
@@ -876,12 +1122,30 @@ case $AFS_SYSNAME in *_linux* | *_umlinux*)
                 if test "x$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_init_mm" = "xyes" ; then
+                 AC_DEFINE(EXPORTED_INIT_MM, 1, [define if your kernel exports init_mm])
+                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
@@ -989,7 +1253,7 @@ else
   #include <resolv.h>
   ], [static int i; i = 0;],
   [AC_MSG_RESULT(yes)
-   AC_DEFINE(HAVE_ARPA_NAMESER_COMPAT_H)],
+   AC_DEFINE(HAVE_ARPA_NAMESER_COMPAT_H, 1, [define if arpa/nameser_compat.h exists])],
   [AC_MSG_RESULT(no)
    ])
 
@@ -1019,6 +1283,19 @@ else
   
 fi
 
+AC_CACHE_VAL(ac_cv_setsockopt_iprecverr,
+[
+AC_MSG_CHECKING([for setsockopt(, SOL_IP, IP_RECVERR)])
+AC_TRY_COMPILE( [#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>],
+[int on=1;
+setsockopt(0, SOL_IP, IP_RECVERR, &on, sizeof(on));], ac_cv_setsockopt_iprecverr=yes, ac_cv_setsockopt_iprecverr=no)
+AC_MSG_RESULT($ac_cv_setsockopt_iprecverr)])
+if test "$ac_cv_setsockopt_iprecverr" = "yes"; then
+   AC_DEFINE(ADAPT_PMTU_RECVERR, 1, [define if asynchronous socket errors can be received])
+fi
+
 PTHREAD_LIBS=error
 if test "x$MKAFS_OSTYPE" = OBSD; then
         PTHREAD_LIBS="-pthread"
@@ -1090,6 +1367,10 @@ else
 fi
 AC_SUBST(DEMAND_ATTACH)
 
+if test "$enable_disconnected" = "yes"; then
+       AC_DEFINE(AFS_DISCON_ENV, 1, [define if you want support for disconnected operation])
+fi
+
 if test "$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"
@@ -1108,6 +1389,12 @@ if test "$enable_full_vos_listvol_switch" = "yes"; then
        AC_DEFINE(FULL_LISTVOL_SWITCH, 1, [define if you want to want listvol switch])
 fi
 
+if test "$enable_icmp_pmtu_discovery" = "yes"; then
+   if test "$ac_cv_setsockopt_iprecverr" = "yes"; then
+       AC_DEFINE(ADAPT_PMTU, 1, [define if you want to decode icmp unreachable packets to discover path mtu])
+   fi
+fi
+
 if test "$enable_bos_restricted_mode" = "yes"; then
        AC_DEFINE(BOS_RESTRICTED_MODE, 1, [define if you want to want bos restricted mode])
 fi
@@ -1120,8 +1407,27 @@ if test "$enable_largefile_fileserver" = "yes"; then
        AC_DEFINE(AFS_LARGEFILE_ENV, 1, [define if you want large file fileserver])
 fi
 
+if test "$enable_cache_bypass" = "yes"; then
+       AC_DEFINE(AFS_CACHE_BYPASS, 1, [define to activate cache bypassing Unix client])
+fi
+
 if test "$enable_namei_fileserver" = "yes"; then
        AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
+else
+       if test "$enable_namei_fileserver" = "default"; then
+               case $host in
+                       *-solaris2.10*)
+                               AC_MSG_WARN(Some Solaris 10 versions are not safe with the inode fileserver. Forcing namei. Override with --disable-namei-fileserver)
+                               AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
+                               ;;
+                       *-solaris2.11*)
+                               AC_MSG_WARN(Solaris 11 versions are not safe with the inode fileserver. Forcing namei. Override with --disable-namei-fileserver)
+                               AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
+                               ;;
+                       *)
+                               ;;
+               esac
+       fi
 fi
 
 if test "$enable_afsdb" = "yes"; then
@@ -1135,20 +1441,33 @@ XBSA_CFLAGS=""
 if test "$enable_tivoli_tsm" = "yes"; then
        XBSADIR1=/usr/tivoli/tsm/client/api/bin/xopen
        XBSADIR2=/opt/tivoli/tsm/client/api/bin/xopen
+       XBSADIR3=/usr/tivoli/tsm/client/api/bin/sample
+       XBSADIR4=/opt/tivoli/tsm/client/api/bin/sample
 
-       if test -r "$XBSADIR1/xbsa.h"; then
+       if test -r "$XBSADIR3/dsmapifp.h"; then
+               XBSA_CFLAGS="-Dxbsa -DNEW_XBSA -I$XBSADIR3"
+               XBSA_XLIBS="-ldl"
+               AC_MSG_RESULT([yes, $XBSA_CFLAGS])
+       elif test -r "$XBSADIR4/dsmapifp.h"; then
+               XBSA_CFLAGS="-Dxbsa -DNEW_XBSA -I$XBSADIR4"
+               XBSA_XLIBS="-ldl"
+               AC_MSG_RESULT([yes, $XBSA_CFLAGS])
+       elif test -r "$XBSADIR1/xbsa.h"; then
                XBSA_CFLAGS="-Dxbsa -I$XBSADIR1"
+               XBSA_XLIBS=""
                AC_MSG_RESULT([yes, $XBSA_CFLAGS])
        elif test -r "$XBSADIR2/xbsa.h"; then
                XBSA_CFLAGS="-Dxbsa -I$XBSADIR2"
+               XBSA_XLIBS=""
                AC_MSG_RESULT([yes, $XBSA_CFLAGS])
        else
-               AC_MSG_RESULT([no, missing xbsa.h header file])
+               AC_MSG_RESULT([no, missing xbsa.h and dsmapifp.h header files])
        fi
 else
        AC_MSG_RESULT([no])
 fi
 AC_SUBST(XBSA_CFLAGS)
+AC_SUBST(XBSA_XLIBS) 
 
 dnl checks for header files.
 AC_HEADER_STDC
@@ -1157,9 +1476,10 @@ AC_HEADER_DIRENT
 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)
+AC_CHECK_HEADERS(linux/errqueue.h,,,[#include <linux/types.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
@@ -1185,7 +1505,7 @@ AC_SUBST(BUILD_LOGIN)
 
 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)
+AC_CHECK_FUNCS(setvbuf vsyslog)
 AC_FUNC_SETVBUF_REVERSED
 AC_CHECK_FUNCS(regcomp regexec regerror)
 AC_MSG_CHECKING([for POSIX regex library])
@@ -1208,21 +1528,6 @@ AC_CHECK_TYPE([sig_atomic_t], ,
 #include <signal.h>])
 AC_SIZEOF_TYPE(long)
 
-AC_MSG_CHECKING(size of time_t)
-AC_CACHE_VAL(ac_cv_sizeof_time_t,
-[AC_TRY_RUN([#include <stdio.h>
-#include <time.h>
-main()
-{
-  FILE *f=fopen("conftestval", "w");
-  if (!f) exit(1);
-  fprintf(f, "%d\n", sizeof(time_t));
-  exit(0);
-}], ac_cv_sizeof_time_t=`cat conftestval`, ac_cv_sizeof_time_t=0)
-])
-AC_MSG_RESULT($ac_cv_sizeof_time_t)
-AC_DEFINE_UNQUOTED(SIZEOF_TIME_T, $ac_cv_sizeof_time_t)
-
 AC_CHECK_FUNCS(timegm)
 AC_CHECK_FUNCS(daemon)
 
@@ -1268,11 +1573,17 @@ if test "x$enable_kernel_module" = "xyes"; then
 ENABLE_KERNEL_MODULE=libafs
 fi
 
+if test "x$enable_pthreaded_ubik" = "xyes"; then
+ENABLE_PTHREADED_UBIK=yes
+fi
+
 AC_SUBST(AFS_SYSNAME)
 AC_SUBST(AFS_PARAM_COMMON)
 AC_SUBST(ENABLE_KERNEL_MODULE)
+AC_SUBST(ENABLE_PTHREADED_UBIK)
 AC_SUBST(LIB_AFSDB)
 AC_SUBST(LINUX_KERNEL_PATH)
+AC_SUBST(LINUX_KERNEL_BUILD)
 AC_SUBST(HOST_CPU)
 AC_SUBST(BSD_KERNEL_PATH)
 AC_SUBST(BSD_KERNEL_BUILD)