winnotes-20041207
[openafs.git] / acinclude.m4
index b95ea5d..92674be 100644 (file)
@@ -4,7 +4,7 @@ dnl
 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,[
+AC_DEFUN([OPENAFS_CONFIGURE_COMMON],[
 
 AC_CANONICAL_HOST
 SRCDIR_PARENT=`pwd`
@@ -19,12 +19,14 @@ AC_ARG_ENABLE( insecure,
 [  --enable-insecure                   enable insecure portions of AFS (ftpd, inetd, rcp, rlogind and rsh)],, enable_insecure="no")
 AC_ARG_ENABLE( afsdb,
 [  --disable-afsdb                     disable AFSDB 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,
-[  --enable-largefile-filesever         enable large file support in fileserver],, enable_largefile_fileserver="no")
+[  --enable-largefile-fileserver        enable large file support in fileserver],, enable_largefile_fileserver="no")
 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,
@@ -34,12 +36,18 @@ AC_ARG_ENABLE( fast-restart,
 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( full-vos-listvol-switch,
-[  --enable-full-vos-listvol-switch     enable vos full listvol switch for formatted output],, enable_full_vos_listvol_switch="no")
+[  --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)]
+[  --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"
@@ -72,6 +80,8 @@ AC_ARG_ENABLE(optimize-lwp,
 [  --disable-optimize-lwp              disable optimization for compilation of the LWP code (defaults to enabled)],, enable_optimize_lwp="yes"
 )
 
+enable_login="no"
+
 dnl weird ass systems
 AC_AIX
 AC_ISC_POSIX
@@ -81,6 +91,7 @@ dnl Various compiler setup.
 AC_TYPE_PID_T
 AC_TYPE_SIZE_T
 AC_TYPE_SIGNAL
+COMPILER_HAS_FUNCTION_MACRO
 
 dnl Checks for programs.
 AC_PROG_INSTALL
@@ -95,6 +106,7 @@ AC_MSG_CHECKING(your OS)
 system=$host
 case $system in
         *-linux*)
+
                MKAFS_OSTYPE=LINUX
                if test "x$enable_redhat_buildsys" = "xyes"; then
                 AC_DEFINE(ENABLE_REDHAT_BUILDSYS, 1, [define if you have redhat buildsystem])
@@ -103,13 +115,16 @@ case $system in
                 if test "x$with_linux_kernel_headers" != "x"; then
                   LINUX_KERNEL_PATH="$with_linux_kernel_headers"
                 else
-                  LINUX_KERNEL_PATH="/usr/src/linux"
+                  LINUX_KERNEL_PATH="/usr/src/linux-2.4"
+                  if test ! -f "$LINUX_KERNEL_PATH/include/linux/version.h"; then
+                    LINUX_KERNEL_PATH="/usr/src/linux"
+                  fi
                 fi
                 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 -1`
+                 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
                    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 -1`
+                     linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_PATH/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])
@@ -138,130 +153,17 @@ case $system in
                   AC_MSG_WARN(No usable linux headers found at $LINUX_KERNEL_PATH so disabling kernel module)
                  fi
                 fi
+                 dnl do we need to determine SUBARCH from autoconf.h
+                 SUBARCH=default
                fi
                AC_MSG_RESULT(linux)
-               if test "x$enable_kernel_module" = "xyes"; then
-                if test "x$enable_debug_kernel" = "xno"; then
-                       LINUX_GCC_KOPTS="$LINUX_GCC_KOPTS -fomit-frame-pointer"
-                fi
-                OPENAFS_GCC_SUPPORTS_MARCH
-                AC_SUBST(P5PLUS_KOPTS)
-                OPENAFS_GCC_NEEDS_NO_STRENGTH_REDUCE
-                OPENAFS_GCC_NEEDS_NO_STRICT_ALIASING
-                OPENAFS_GCC_SUPPORTS_NO_COMMON
-                OPENAFS_GCC_SUPPORTS_PIPE
-                AC_SUBST(LINUX_GCC_KOPTS)
-                ifdef([OPENAFS_CONFIGURE_LIBAFS],
-                  [LINUX_BUILD_VNODE_FROM_INODE(src/config,afs)],
-                  [LINUX_BUILD_VNODE_FROM_INODE(${srcdir}/src/config,src/afs/LINUX,${srcdir}/src/afs/LINUX)]
-                )
-                LINUX_COMPLETION_H_EXISTS
-                LINUX_DEFINES_FOR_EACH_PROCESS
-                LINUX_DEFINES_PREV_TASK
-                LINUX_EXPORTS_TASKLIST_LOCK
-                LINUX_FS_STRUCT_ADDRESS_SPACE_HAS_PAGE_LOCK
-                LINUX_FS_STRUCT_ADDRESS_SPACE_HAS_GFP_MASK
-                LINUX_FS_STRUCT_INODE_HAS_I_TRUNCATE_SEM
-                LINUX_FS_STRUCT_INODE_HAS_I_DIRTY_DATA_BUFFERS
-                LINUX_FS_STRUCT_INODE_HAS_I_DEVICES
-                LINUX_INODE_SETATTR_RETURN_TYPE
-                LINUX_NEED_RHCONFIG
-                LINUX_RECALC_SIGPENDING_ARG_TYPE
-                LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_PARENT
-                LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_REAL_PARENT
-                LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_SIGMASK_LOCK
-                LINUX_WHICH_MODULES
-                 if test "x$ac_cv_linux_config_modversions" = "xno"; then
-                   AC_MSG_WARN([Cannot determine sys_call_table status. assuming it's exported])
-                   ac_cv_linux_exports_sys_call_table=yes
-                 else
-                   LINUX_EXPORTS_INIT_MM
-                   LINUX_EXPORTS_KALLSYMS_ADDRESS
-                   LINUX_EXPORTS_KALLSYMS_SYMBOL
-                   LINUX_EXPORTS_SYS_CALL_TABLE
-                   LINUX_EXPORTS_SYS_CHDIR
-                   LINUX_EXPORTS_SYS_CLOSE
-                   if test "x$ac_cv_linux_exports_sys_call_table" = "xno"; then
-                         linux_syscall_method=none
-                         if test "x$ac_cv_linux_exports_init_mm" = "xyes"; then
-                            linux_syscall_method=scan
-                            if test "x$ac_cv_linux_exports_kallsyms_address" = "xyes"; then
-                               linux_syscall_method=scan_with_kallsyms_address
-                            fi
-                         fi
-                         if test "x$ac_cv_linux_exports_kallsyms_symbol" = "xyes"; then
-                            linux_syscall_method=kallsyms_symbol
-                         fi
-                         if test "x$linux_syscall_method" = "xnone"; then
-                        AC_MSG_ERROR([no available sys_call_table access method])
-                         fi
-                        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_close" = "xyes" ; then
-                         AC_DEFINE(EXPORTED_SYS_CLOSE, 1, [define if your linux kernel exports sys_close])
-                        fi
-                   fi
-                 fi
-                if test "x$ac_cv_linux_exports_tasklist_lock" = "xyes" ; then
-                 AC_DEFINE(EXPORTED_TASKLIST_LOCK, 1, [define if your linux kernel exports tasklist_lock])
-                fi
-                 if test "x$ac_cv_linux_exports_sys_call_table" = "xyes"; then
-                  AC_DEFINE(EXPORTED_SYS_CALL_TABLE)
-                 fi
-                 if test "x$ac_cv_linux_exports_kallsyms_symbol" = "xyes"; then
-                  AC_DEFINE(EXPORTED_KALLSYMS_SYMBOL)
-                 fi
-                 if test "x$ac_cv_linux_exports_kallsyms_address" = "xyes"; then
-                  AC_DEFINE(EXPORTED_KALLSYMS_ADDRESS)
-                 fi
-                if test "x$ac_cv_linux_completion_h_exists" = "xyes" ; then
-                 AC_DEFINE(COMPLETION_H_EXISTS, 1, [define if completion_h exists])
-                fi
-                if test "x$ac_cv_linux_defines_for_each_process" = "xyes" ; then
-                 AC_DEFINE(DEFINED_FOR_EACH_PROCESS, 1, [define if for_each_process defined])
-                fi
-                if test "x$ac_cv_linux_defines_prev_task" = "xyes" ; then
-                 AC_DEFINE(DEFINED_PREV_TASK, 1, [define if prev_task defined])
-                fi
-                if test "x$ac_cv_linux_func_inode_setattr_returns_int" = "xyes" ; then
-                 AC_DEFINE(INODE_SETATTR_NOT_VOID, 1, [define if your setattr return return non-void])
-                fi
-                if test "x$ac_cv_linux_fs_struct_address_space_has_page_lock" = "xyes"; then 
-                 AC_DEFINE(STRUCT_ADDRESS_SPACE_HAS_PAGE_LOCK, 1, [define if your struct address_space has page_lock])
-                fi
-                if test "x$ac_cv_linux_fs_struct_address_space_has_gfp_mask" = "xyes"; then 
-                 AC_DEFINE(STRUCT_ADDRESS_SPACE_HAS_GFP_MASK, 1, [define if your struct address_space has gfp_mask])
-                fi
-                if test "x$ac_cv_linux_fs_struct_inode_has_i_truncate_sem" = "xyes"; then 
-                 AC_DEFINE(STRUCT_INODE_HAS_I_TRUNCATE_SEM, 1, [define if your struct inode has truncate_sem])
-                fi
-                if test "x$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
-                if test "x$ac_cv_linux_fs_struct_inode_has_i_dirty_data_buffers" = "xyes"; then 
-                 AC_DEFINE(STRUCT_INODE_HAS_I_DIRTY_DATA_BUFFERS, 1, [define if your struct inode has data_buffers])
-                fi
-                if test "x$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$ac_cv_linux_sched_struct_task_struct_has_parent" = "xyes"; then 
-                 AC_DEFINE(STRUCT_TASK_STRUCT_HAS_PARENT, 1, [define if your struct task_struct has parent])
-                fi
-                if test "x$ac_cv_linux_sched_struct_task_struct_has_real_parent" = "xyes"; then 
-                 AC_DEFINE(STRUCT_TASK_STRUCT_HAS_REAL_PARENT, 1, [define if your struct task_struct has real_parent])
-                fi
-                if test "x$ac_cv_linux_sched_struct_task_struct_has_sigmask_lock" = "xyes"; then 
-                 AC_DEFINE(STRUCT_TASK_STRUCT_HAS_SIGMASK_LOCK, 1, [define if your struct task_struct has sigmask_lock])
-                fi
-                :
-               fi
                 ;;
         *-solaris*)
                MKAFS_OSTYPE=SOLARIS
                 AC_MSG_RESULT(sun4)
                SOLARIS_UFSVFS_HAS_DQRWLOCK
                SOLARIS_PROC_HAS_P_COREFILE
+               SOLARIS_FS_HAS_FS_ROLLED
                 ;;
         *-sunos*)
                MKAFS_OSTYPE=SUNOS
@@ -324,12 +226,24 @@ if test "x$with_afs_sysname" != "x"; then
 else
        AC_MSG_CHECKING(your AFS sysname)
        case $host in
-               i386-unknown-openbsd3.1)
+               i?86-*-openbsd3.1)
                        AFS_SYSNAME="i386_obsd31"
                        ;;
-               i386-unknown-openbsd3.2)
+               i?86-*-openbsd3.2)
                        AFS_SYSNAME="i386_obsd32"
                        ;;
+               i?86-*-openbsd3.3)
+                       AFS_SYSNAME="i386_obsd33"
+                       ;;
+               i?86-*-openbsd3.4)
+                       AFS_SYSNAME="i386_obsd34"
+                       ;;
+               i?86-*-openbsd3.5)
+                       AFS_SYSNAME="i386_obsd35"
+                       ;;
+               i?86-*-openbsd3.6)
+                       AFS_SYSNAME="i386_obsd36"
+                       ;;
                i?86-*-freebsd4.2*)
                        AFS_SYSNAME="i386_fbsd_42"
                        ;;
@@ -348,6 +262,18 @@ else
                i?86-*-freebsd4.7*)
                        AFS_SYSNAME="i386_fbsd_47"
                        ;;
+               i?86-*-freebsd5.0*)
+                       AFS_SYSNAME="i386_fbsd_50"
+                       ;;
+               i?86-*-freebsd5.1*)
+                       AFS_SYSNAME="i386_fbsd_51"
+                       ;;
+               i?86-*-freebsd5.2*)
+                       AFS_SYSNAME="i386_fbsd_52"
+                       ;;
+               i?86-*-freebsd5.3*)
+                       AFS_SYSNAME="i386_fbsd_53"
+                       ;;
                i?86-*-netbsd*1.5*)
                        AFS_PARAM_COMMON=param.nbsd15.h
                        AFS_SYSNAME="i386_nbsd15"
@@ -356,6 +282,22 @@ else
                        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"
+                       ;;
+               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"
@@ -364,9 +306,26 @@ else
                        AFS_PARAM_COMMON=param.nbsd16.h
                        AFS_SYSNAME="alpha_nbsd16"
                        ;;
-               hppa*-hp-hpux11*)
+               powerpc-*-netbsd*1.6*)
+                       AFS_PARAM_COMMON=param.nbsd16.h
+                       AFS_SYSNAME="ppc_nbsd16"
+                       ;;
+               i?86-*-netbsd*2.99*)
+                       AFS_PARAM_COMMON=param.nbsd21.h
+                       AFS_SYSNAME="i386_nbsd21"
+                       ;;
+               hppa*-hp-hpux11.0*)
                        AFS_SYSNAME="hp_ux110"
                        ;;
+               hppa*-hp-hpux11.11)
+                       AFS_SYSNAME="hp_ux11i"
+                       ;;
+               ia64-hp-hpux11.22)
+                       AFS_SYSNAME="ia64_hpux1122"
+                       ;;
+               ia64-hp-hpux*)
+                       AFS_SYSNAME="ia64_hpux1123"
+                       ;;
                hppa*-hp-hpux10*)
                        AFS_SYSNAME="hp_ux102"
                        ;;
@@ -403,8 +362,36 @@ else
                powerpc-apple-darwin6.2*)
                        AFS_SYSNAME="ppc_darwin_60"
                        ;;
+               powerpc-apple-darwin6.3*)
+                       AFS_SYSNAME="ppc_darwin_60"
+                       ;;
+               powerpc-apple-darwin6.4*)
+                       AFS_SYSNAME="ppc_darwin_60"
+                       ;;
+               powerpc-apple-darwin6.5*)
+                       AFS_SYSNAME="ppc_darwin_60"
+                       ;;
+               powerpc-apple-darwin7.0*)
+                       AFS_SYSNAME="ppc_darwin_70"
+                       ;;
+               powerpc-apple-darwin7.1*)
+                       AFS_SYSNAME="ppc_darwin_70"
+                       ;;
+               powerpc-apple-darwin7.2*)
+                       AFS_SYSNAME="ppc_darwin_70"
+                       ;;
+               powerpc-apple-darwin7.3*)
+                       AFS_SYSNAME="ppc_darwin_70"
+                       ;;
+               powerpc-apple-darwin7.4*)
+                       AFS_SYSNAME="ppc_darwin_70"
+                       ;;
+               powerpc-apple-darwin7.5*)
+                       AFS_SYSNAME="ppc_darwin_70"
+                       ;;
                sparc-sun-solaris2.5*)
                        AFS_SYSNAME="sun4x_55"
+                       enable_login="yes"
                        ;;
                sparc-sun-solaris2.6)
                        AFS_SYSNAME="sun4x_56"
@@ -418,8 +405,12 @@ else
                sparc-sun-solaris2.9)
                        AFS_SYSNAME="sun4x_59"
                        ;;
+               sparc-sun-solaris2.10)
+                       AFS_SYSNAME="sun4x_510"
+                       ;;
                sparc-sun-sunos4*)
                        AFS_SYSNAME="sun4_413"
+                       enable_login="yes"
                        ;;
                i386-pc-solaris2.7)
                        AFS_SYSNAME="sunx86_57"
@@ -430,6 +421,9 @@ else
                i386-pc-solaris2.9)
                        AFS_SYSNAME="sunx86_59"
                        ;;
+               i386-pc-solaris2.10)
+                       AFS_SYSNAME="sunx86_510"
+                       ;;
                alpha*-dec-osf4.0*)
                        AFS_SYSNAME="alpha_dux40"
                        ;;
@@ -448,12 +442,18 @@ else
                powerpc-*-linux*)
                        AFS_SYSNAME="ppc_linuxXX"
                        ;;
+               powerpc64-*-linux*)
+                       AFS_SYSNAME="ppc64_linuxXX"
+                       ;;
                alpha*-linux*)
                        AFS_SYSNAME="alpha_linux_XX"
                        ;;
                s390-*-linux*)
                        AFS_SYSNAME="s390_linuxXX"
                        ;;
+               s390x-*-linux*)
+                       AFS_SYSNAME="s390x_linuxXX"
+                       ;;
                sparc-*-linux*)
                        AFS_SYSNAME="sparc_linuxXX"
                        ;;
@@ -465,6 +465,7 @@ else
                        ;;
                parisc-*-linux-gnu)
                        AFS_SYSNAME="parisc_linuxXX"
+                       enable_pam="no"
                        ;;
                power*-ibm-aix4.2*)
                        AFS_SYSNAME="rs_aix42"
@@ -472,24 +473,232 @@ else
                power*-ibm-aix4.3*)
                        AFS_SYSNAME="rs_aix42"
                        ;;
+               power*-ibm-aix5.1*)
+                       AFS_SYSNAME="rs_aix51"
+                       ;;
+               power*-ibm-aix5.2*)
+                       AFS_SYSNAME="rs_aix52"
+                       ;;
+               x86_64-*-linux-gnu)
+                       AFS_SYSNAME="amd64_linuxXX"
+                       enable_pam="no"
+                       ;;
                *)
                        AC_MSG_ERROR(An AFS sysname is required)
                        exit 1
                        ;;
        esac
        case $AFS_SYSNAME in
-               *_linux*)
-                       AFS_SYSKVERS=`echo $LINUX_VERSION | awk -F\. '{print $[]1 $[]2}'`
+               *_linux* | *_umlinux*)
+                       if test "x$enable_kernel_module" = "xyes"; then
+                        AFS_SYSKVERS=`echo $LINUX_VERSION | awk -F\. '{print $[]1 $[]2}'`
+                       fi
                        if test "x${AFS_SYSKVERS}" = "x"; then
                         AC_MSG_ERROR(Couldn't guess your Linux version. Please use the --with-afs-sysname option to configure an AFS sysname.)
                        fi
                        _AFS_SYSNAME=`echo $AFS_SYSNAME|sed s/XX\$/$AFS_SYSKVERS/`
                        AFS_SYSNAME="$_AFS_SYSNAME"
+                       save_CPPFLAGS="$CPPFLAGS"
+                       CPPFLAGS="-I${LINUX_KERNEL_PATH}/include $CPPFLAGS"
+                       AC_TRY_COMPILE(
+                        [#include <linux/autoconf.h>],
+                        [#ifndef CONFIG_USERMODE
+                         #error not UML
+                         #endif],
+                        ac_cv_linux_is_uml=yes,)
+                       if test "${ac_cv_linux_is_uml}" = yes; then
+                        _AFS_SYSNAME=`echo $AFS_SYSNAME|sed s/linux/umlinux/`
+                       fi
+                       CPPFLAGS="$save_CPPFLAGS"
+                       AFS_SYSNAME="$_AFS_SYSNAME"
                        ;;
        esac
         AC_MSG_RESULT($AFS_SYSNAME)
 fi
 
+case $AFS_SYSNAME in *_linux* | *_umlinux*)
+
+               # Add (sub-) architecture-specific paths needed by conftests
+               case $AFS_SYSNAME  in
+                       *_umlinux26)
+                               UMLINUX26_FLAGS="-I$LINUX_KERNEL_PATH/arch/um/include"
+                               UMLINUX26_FLAGS="$UMLINUX26_FLAGS -I$LINUX_KERNEL_PATH/arch/um/kernel/tt/include"
+                               UMLINUX26_FLAGS="$UMLINUX26_FLAGS -I$LINUX_KERNEL_PATH/arch/um/kernel/skas/include"
+                               CPPFLAGS="$CPPFLAGS $UMLINUX26_FLAGS"
+               esac
+
+               if test "x$enable_kernel_module" = "xyes"; then
+                if test "x$enable_debug_kernel" = "xno"; then
+                       LINUX_GCC_KOPTS="$LINUX_GCC_KOPTS -fomit-frame-pointer"
+                fi
+                OPENAFS_GCC_SUPPORTS_MARCH
+                AC_SUBST(P5PLUS_KOPTS)
+                OPENAFS_GCC_NEEDS_NO_STRENGTH_REDUCE
+                OPENAFS_GCC_NEEDS_NO_STRICT_ALIASING
+                OPENAFS_GCC_SUPPORTS_NO_COMMON
+                OPENAFS_GCC_SUPPORTS_PIPE
+                AC_SUBST(LINUX_GCC_KOPTS)
+                ifdef([OPENAFS_CONFIGURE_LIBAFS],
+                  [LINUX_BUILD_VNODE_FROM_INODE(src/config,afs)],
+                  [LINUX_BUILD_VNODE_FROM_INODE(${srcdir}/src/config,src/afs/LINUX,${srcdir}/src/afs/LINUX)]
+                )
+                LINUX_COMPLETION_H_EXISTS
+                LINUX_DEFINES_FOR_EACH_PROCESS
+                LINUX_DEFINES_PREV_TASK
+                LINUX_EXPORTS_TASKLIST_LOCK
+                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_TRUNCATE_SEM
+                LINUX_FS_STRUCT_INODE_HAS_I_DIRTY_DATA_BUFFERS
+                LINUX_FS_STRUCT_INODE_HAS_I_DEVICES
+                LINUX_FS_STRUCT_INODE_HAS_I_SECURITY
+                LINUX_INODE_SETATTR_RETURN_TYPE
+                LINUX_WRITE_INODE_RETURN_TYPE
+                LINUX_IOP_NAMEIDATA
+                LINUX_AOP_WRITEBACK_CONTROL
+                LINUX_KERNEL_LINUX_SYSCALL_H
+                LINUX_KERNEL_SELINUX
+                LINUX_KERNEL_SOCK_CREATE
+                LINUX_NEED_RHCONFIG
+                LINUX_RECALC_SIGPENDING_ARG_TYPE
+                LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_PARENT
+                LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_REAL_PARENT
+                LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_SIG
+                LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_SIGHAND
+                LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_SIGMASK_LOCK
+                LINUX_WHICH_MODULES
+                 if test "x$ac_cv_linux_config_modversions" = "xno" -o $AFS_SYSKVERS -ge 26; then
+                   AC_MSG_WARN([Cannot determine sys_call_table status. assuming it isn't exported])
+                   ac_cv_linux_exports_sys_call_table=no
+                  if test -f "$LINUX_KERNEL_PATH/include/asm/ia32_unistd.h"; then
+                    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
+                   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
+                            linux_syscall_method=scan
+                            if test "x$ac_cv_linux_exports_kallsyms_address" = "xyes"; then
+                               linux_syscall_method=scan_with_kallsyms_address
+                            fi
+                         fi
+                         if test "x$ac_cv_linux_exports_kallsyms_symbol" = "xyes"; then
+                            linux_syscall_method=kallsyms_symbol
+                         fi
+                         if test "x$linux_syscall_method" = "xnone"; then
+                        AC_MSG_ERROR([no available sys_call_table access method])
+                         fi
+                   fi
+                 fi
+                if test -f "$LINUX_KERNEL_PATH/include/linux/in_systm.h"; then
+                 AC_DEFINE(HAVE_IN_SYSTM_H, 1, [define if you have in_systm.h header file])
+                fi
+                if test -f "$LINUX_KERNEL_PATH/include/linux/mm_inline.h"; then
+                 AC_DEFINE(HAVE_MM_INLINE_H, 1, [define if you have mm_inline.h header file])
+                fi
+                if test -f "$LINUX_KERNEL_PATH/include/linux/in_systm.h"; then
+                 AC_DEFINE(HAVE_IN_SYSTM_H, 1, [define if you have in_systm.h header file])
+                fi
+                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_close" = "xyes" ; then
+                 AC_DEFINE(EXPORTED_SYS_CLOSE, 1, [define if your linux kernel exports sys_close])
+                fi
+                if test "x$ac_cv_linux_exports_sys_wait4" = "xyes" ; then
+                 AC_DEFINE(EXPORTED_SYS_WAIT4, 1, [define if your linux kernel exports sys_wait4])
+                fi
+                if test "x$ac_cv_linux_exports_tasklist_lock" = "xyes" ; then
+                 AC_DEFINE(EXPORTED_TASKLIST_LOCK, 1, [define if your linux kernel exports tasklist_lock])
+                fi
+                 if test "x$ac_cv_linux_exports_sys_call_table" = "xyes"; then
+                  AC_DEFINE(EXPORTED_SYS_CALL_TABLE)
+                 fi
+                 if test "x$ac_cv_linux_exports_ia32_sys_call_table" = "xyes"; then
+                  AC_DEFINE(EXPORTED_IA32_SYS_CALL_TABLE)
+                 fi
+                 if test "x$ac_cv_linux_exports_kallsyms_symbol" = "xyes"; then
+                  AC_DEFINE(EXPORTED_KALLSYMS_SYMBOL)
+                 fi
+                 if test "x$ac_cv_linux_exports_kallsyms_address" = "xyes"; then
+                  AC_DEFINE(EXPORTED_KALLSYMS_ADDRESS)
+                 fi
+                if test "x$ac_cv_linux_completion_h_exists" = "xyes" ; then
+                 AC_DEFINE(COMPLETION_H_EXISTS, 1, [define if completion_h exists])
+                fi
+                if test "x$ac_cv_linux_defines_for_each_process" = "xyes" ; then
+                 AC_DEFINE(DEFINED_FOR_EACH_PROCESS, 1, [define if for_each_process defined])
+                fi
+                if test "x$ac_cv_linux_defines_prev_task" = "xyes" ; then
+                 AC_DEFINE(DEFINED_PREV_TASK, 1, [define if prev_task defined])
+                fi
+                if test "x$ac_cv_linux_func_inode_setattr_returns_int" = "xyes" ; then
+                 AC_DEFINE(INODE_SETATTR_NOT_VOID, 1, [define if your setattr return return non-void])
+                fi
+                if test "x$ac_cv_linux_func_write_inode_returns_int" = "xyes" ; then
+                 AC_DEFINE(WRITE_INODE_NOT_VOID, 1, [define if your sops.write_inode returns non-void])
+                fi
+                if test "x$ac_cv_linux_fs_struct_address_space_has_page_lock" = "xyes"; then 
+                 AC_DEFINE(STRUCT_ADDRESS_SPACE_HAS_PAGE_LOCK, 1, [define if your struct address_space has page_lock])
+                fi
+                if test "x$ac_cv_linux_fs_struct_address_space_has_gfp_mask" = "xyes"; then 
+                 AC_DEFINE(STRUCT_ADDRESS_SPACE_HAS_GFP_MASK, 1, [define if your struct address_space has gfp_mask])
+                fi
+                if test "x$ac_cv_linux_fs_struct_inode_has_i_truncate_sem" = "xyes"; then 
+                 AC_DEFINE(STRUCT_INODE_HAS_I_TRUNCATE_SEM, 1, [define if your struct inode has truncate_sem])
+                fi
+                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_devices" = "xyes"; then 
+                 AC_DEFINE(STRUCT_INODE_HAS_I_DEVICES, 1, [define if you struct inode has i_devices])
+                fi
+                if test "x$ac_cv_linux_fs_struct_inode_has_i_security" = "xyes"; then 
+                 AC_DEFINE(STRUCT_INODE_HAS_I_SECURITY, 1, [define if you struct inode has i_security])
+                fi
+                if test "x$ac_cv_linux_fs_struct_inode_has_i_dirty_data_buffers" = "xyes"; then 
+                 AC_DEFINE(STRUCT_INODE_HAS_I_DIRTY_DATA_BUFFERS, 1, [define if your struct inode has data_buffers])
+                fi
+                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_is_selinux" = "xyes" ; then
+                 AC_DEFINE(LINUX_KERNEL_IS_SELINUX, 1, [define if your linux kernel uses SELinux features])
+                fi
+                if test "x$ac_cv_linux_kernel_sock_create_v" = "xyes" ; then
+                 AC_DEFINE(LINUX_KERNEL_SOCK_CREATE_V, 1, [define if your linux kernel uses 5 arguments for sock_create])
+                fi
+                if test "x$ac_linux_syscall" = "xyes" ; then
+                 AC_DEFINE(HAVE_KERNEL_LINUX_SYSCALL_H, 1, [define if your linux kernel has linux/syscall.h])
+                fi
+                if test "x$ac_cv_linux_sched_struct_task_struct_has_parent" = "xyes"; then 
+                 AC_DEFINE(STRUCT_TASK_STRUCT_HAS_PARENT, 1, [define if your struct task_struct has parent])
+                fi
+                if test "x$ac_cv_linux_sched_struct_task_struct_has_real_parent" = "xyes"; then 
+                 AC_DEFINE(STRUCT_TASK_STRUCT_HAS_REAL_PARENT, 1, [define if your struct task_struct has real_parent])
+                fi
+                if test "x$ac_cv_linux_sched_struct_task_struct_has_sigmask_lock" = "xyes"; then 
+                 AC_DEFINE(STRUCT_TASK_STRUCT_HAS_SIGMASK_LOCK, 1, [define if your struct task_struct has sigmask_lock])
+                fi
+                if test "x$ac_cv_linux_sched_struct_task_struct_has_sighand" = "xyes"; then 
+                 AC_DEFINE(STRUCT_TASK_STRUCT_HAS_SIGHAND, 1, [define if your struct task_struct has sighand])
+                fi
+                if test "x$ac_cv_linux_sched_struct_task_struct_has_sig" = "xyes"; then 
+                 AC_DEFINE(STRUCT_TASK_STRUCT_HAS_SIG, 1, [define if your struct task_struct has sig])
+                fi
+                :
+               fi
+esac
+
 case $AFS_SYSNAME in
        *_darwin*)
                DARWIN_PLIST=src/libafs/afs.${AFS_SYSNAME}.plist
@@ -568,17 +777,48 @@ else
         done    
   fi    
 
-  AC_CHECK_FUNCS(res_search)
+  dnl darwin wants it, aix hates it
+  AC_MSG_CHECKING(for the useability of arpa/nameser_compat.h)
+  AC_TRY_COMPILE([
+  #include <stdlib.h>
+  #include <stdio.h>
+  #include <sys/types.h>
+  #include <sys/socket.h>
+  #include <netinet/in.h>
+  #include <arpa/inet.h>
+  #include <arpa/nameser.h>
+  #include <arpa/nameser_compat.h>
+  #include <resolv.h>
+  ], [static int i; i = 0;],
+  [AC_MSG_RESULT(yes)
+   AC_DEFINE(HAVE_ARPA_NAMESER_COMPAT_H)],
+  [AC_MSG_RESULT(no)
+   ])
+
+  openafs_save_libs="$LIBS"
+  AC_MSG_CHECKING([for res_search])
+  AC_FUNC_RES_SEARCH
+
   if test "$ac_cv_func_res_search" = no; then
-        for lib in dns nsl resolv; do
-          if test "$HAVE_RES_SEARCH" != 1; then
-            AC_CHECK_LIB(${lib}, res_search, LIBS="$LIBS -l$lib";HAVE_RES_SEARCH=1;AC_DEFINE(HAVE_RES_SEARCH, 1, [define if you have res_search]))
-          fi
-        done    
-       if test "$HAVE_RES_SEARCH" = 1; then
-         LIB_res_search="-l$lib"       
-       fi
-  fi    
+      for lib in dns nsl resolv; do
+        if test "$ac_cv_func_res_search" != yes; then
+         LIBS="-l$lib $LIBS"
+          AC_FUNC_RES_SEARCH
+          LIBS="$openafs_save_libs"
+        fi
+      done    
+      if test "$ac_cv_func_res_search" = yes; then
+        LIB_res_search="-l$lib"       
+       AC_DEFINE(HAVE_RES_SEARCH, 1, [])
+        AC_MSG_RESULT([yes, in lib$lib])
+      else
+        AC_MSG_RESULT(no)
+      fi
+  else
+    AC_DEFINE(HAVE_RES_SEARCH, 1, [])
+    AC_MSG_RESULT(yes)
+  fi
+  
 fi
 
 PTHREAD_LIBS=error
@@ -610,6 +850,25 @@ if test "$enable_insecure" = "yes"; then
        WITH_INSECURE=YES
 fi
 
+if test "x$with_bsd_kernel_headers" != "x"; then
+       BSD_KERNEL_PATH="$with_bsd_kernel_headers"
+else
+       BSD_KERNEL_PATH="/usr/src/sys"
+fi
+
+if test "x$with_bsd_kernel_build" != "x"; then
+       BSD_KERNEL_BUILD="$with_bsd_kernel_build"
+else
+       case $AFS_SYSNAME in
+               i386_fbsd_4?)
+                       BSD_KERNEL_BUILD="${BSD_KERNEL_PATH}/compile/GENERIC"
+                       ;;
+               i386_fbsd_5?)
+                       BSD_KERNEL_BUILD="${BSD_KERNEL_PATH}/i386/compile/GENERIC"
+                       ;;
+       esac
+fi
+
 # Fast restart
 if test "$enable_supergroups" = "yes"; then
        AC_DEFINE(SUPERGROUPS, 1, [define if you want to have support for nested pts groups])
@@ -636,7 +895,7 @@ if test "$enable_bos_new_config" = "yes"; then
 fi
 
 if test "$enable_largefile_fileserver" = "yes"; then
-       AC_DEFINE(AFS_LARGEFILE_ENV)
+       AC_DEFINE(AFS_LARGEFILE_ENV, 1, [define if you want large file fileserver])
 fi
 
 if test "$enable_namei_fileserver" = "yes"; then
@@ -675,13 +934,40 @@ 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(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)
+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(windows.h malloc.h winsock2.h direct.h io.h)
-AC_CHECK_HEADERS(security/pam_modules.h siad.h usersec.h ucontext.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)
 
-AC_CHECK_FUNCS(utimes random srandom getdtablesize snprintf re_comp re_exec)
-AC_CHECK_FUNCS(setprogname getprogname sigaction)
+if test "$ac_cv_header_security_pam_modules_h" = yes -a "$enable_pam" = yes; then
+       HAVE_PAM="yes"
+else
+       HAVE_PAM="no"
+fi
+AC_SUBST(HAVE_PAM)
+
+if test "$enable_login" = yes; then
+       BUILD_LOGIN="yes"
+else
+       BUILD_LOGIN="no"
+fi
+AC_SUBST(BUILD_LOGIN)
+
+AC_CHECK_FUNCS(utimes random srandom getdtablesize snprintf strlcat strlcpy re_comp re_exec)
+AC_CHECK_FUNCS(setprogname getprogname sigaction mkstemp vsnprintf strerror)
+
+AC_CHECK_FUNCS(regcomp regexec regerror)
+AC_MSG_CHECKING([for POSIX regex library])
+if test "$ac_cv_header_regex_h" = "yes" && \
+       test "$ac_cv_func_regcomp" = "yes" && \
+       test "$ac_cv_func_regexec" = "yes" && \
+       test "$ac_cv_func_regerror" = "yes"; then
+    AC_DEFINE(HAVE_POSIX_REGEX, 1, [define if you have POSIX regex library])
+    AC_MSG_RESULT(yes)
+else
+    AC_MSG_RESULT(no)
+fi
+       
 AC_CHECK_TYPE(ssize_t, int)
 AC_SIZEOF_TYPE(long)
 
@@ -734,6 +1020,8 @@ AC_SUBST(AFS_PARAM_COMMON)
 AC_SUBST(ENABLE_KERNEL_MODULE)
 AC_SUBST(LIB_AFSDB)
 AC_SUBST(LINUX_KERNEL_PATH)
+AC_SUBST(BSD_KERNEL_PATH)
+AC_SUBST(BSD_KERNEL_BUILD)
 AC_SUBST(LINUX_VERSION)
 AC_SUBST(MKAFS_OSTYPE)
 AC_SUBST(TOP_OBJDIR)
@@ -756,7 +1044,8 @@ case $TOP_SRCDIR in
         /*)
                 ;;
         *)
-                TOP_SRCDIR=${SRCDIR_PARENT}/src
+               TOP_SRCDIR=`cd $TOP_SRCDIR; pwd`
+               ;;
 esac
 
 TOP_OBJDIR="${SRCDIR_PARENT}"
@@ -766,5 +1055,10 @@ if test "${DEST}x" = "x"; then
         DEST="${SRCDIR_PARENT}/${AFS_SYSNAME}/dest"
 fi
 
+HELPER_SPLINT="${TOP_SRCDIR}/helper-splint.sh"
+HELPER_SPLINTCFG="${TOP_SRCDIR}/splint.cfg"
+AC_SUBST(HELPER_SPLINT)
+AC_SUBST(HELPER_SPLINTCFG)
+
 
 ])