acinclude.m4

   1 dnl This file contains the common configuration code which would
   2 dnl otherwise be duplicated between configure and configure-libafs.
   3 dnl
   4 dnl NB: Because this code is a macro, references to positional shell
   5 dnl parameters must be done like $[]1 instead of $1
   6
   7 AC_DEFUN([OPENAFS_CONFIGURE_COMMON],[
   8 AH_VERBATIM([RCSID],
   9 [#define RCSID(msg) \
  10 static /**/const char *const rcsid[] = { (char *)rcsid, "\100(#)" msg }
  11 #undef HAVE_CONNECT
  12 #undef HAVE_GETHOSTBYNAME
  13 #undef HAVE_RES_SEARCH
  14 #undef HAVE_SOCKET
  15 #undef STRUCT_SOCKADDR_HAS_SA_LEN
  16 #if !defined(__BIG_ENDIAN__) && !defined(__LITTLE_ENDIAN__)
  17 # if ENDIANESS_IN_SYS_PARAM_H
  18 #  ifndef KERNEL
  19 #   include <sys/types.h>
  20 #   include <sys/param.h>
  21 #   if BYTE_ORDER == BIG_ENDIAN
  22 #   define WORDS_BIGENDIAN 1
  23 #   endif
  24 #  else
  25 #   if defined(AUTOCONF_FOUND_BIGENDIAN)
  26 #    define WORDS_BIGENDIAN 1
  27 #   else
  28 #    undef WORDS_BIGENDIAN
  29 #   endif
  30 #  endif
  31 # else
  32 #  if defined(AUTOCONF_FOUND_BIGENDIAN)
  33 #   define WORDS_BIGENDIAN 1
  34 #  else
  35 #   undef WORDS_BIGENDIAN
  36 #  endif
  37 # endif
  38 #else
  39 # if defined(__BIG_ENDIAN__)
  40 #  define WORDS_BIGENDIAN 1
  41 # else
  42 #  undef WORDS_BIGENDIAN
  43 # endif
  44 #endif
  45 #ifdef UKERNEL
  46 /*
  47  * Always use 64-bit file offsets for UKERNEL code. Needed for UKERNEL stuff to
  48  * play nice with some other interfaces like FUSE. We technically only would
  49  * need to define this when building for such interfaces, but set it always to
  50  * try and reduce potential confusion.
  51  */
  52 #define _FILE_OFFSET_BITS 64
  53 #endif
  54
  55 #undef AFS_AFSDB_ENV
  56 #undef AFS_LARGEFILE_ENV
  57 #undef AFS_NAMEI_ENV
  58 #undef BITMAP_LATER
  59 #undef BOS_RESTRICTED_MODE
  60 #undef BOS_NEW_CONFIG
  61 #undef FAST_RESTART
  62 #undef FULL_LISTVOL_SWITCH
  63 #undef COMPLETION_H_EXISTS
  64 #undef DEFINED_FOR_EACH_PROCESS
  65 #undef DEFINED_PREV_TASK
  66 #undef EXPORTED_KALLSYMS_ADDRESS
  67 #undef EXPORTED_KALLSYMS_SYMBOL
  68 #undef EXPORTED_SYS_CALL_TABLE
  69 #undef EXPORTED_IA32_SYS_CALL_TABLE
  70 #undef EXPORTED_TASKLIST_LOCK
  71 #undef INODE_SETATTR_NOT_VOID
  72 #undef IRIX_HAS_MEM_FUNCS
  73 #undef RECALC_SIGPENDING_TAKES_VOID
  74 #undef STRUCT_ADDRESS_SPACE_HAS_GFP_MASK
  75 #undef STRUCT_ADDRESS_SPACE_HAS_PAGE_LOCK
  76 #undef STRUCT_FS_HAS_FS_ROLLED
  77 #undef STRUCT_INODE_HAS_I_DEVICES
  78 #undef STRUCT_INODE_HAS_I_DIRTY_DATA_BUFFERS
  79 #undef STRUCT_INODE_HAS_I_ALLOC_SEM
  80 #undef STRUCT_INODE_HAS_I_TRUNCATE_SEM
  81 #undef STRUCT_TASK_STRUCT_HAS_PARENT
  82 #undef STRUCT_TASK_STRUCT_HAS_REAL_PARENT
  83 #undef STRUCT_TASK_STRUCT_HAS_SIG
  84 #undef STRUCT_TASK_STRUCT_HAS_SIGHAND
  85 #undef STRUCT_TASK_STRUCT_HAS_SIGMASK_LOCK
  86 #undef ssize_t
  87 #undef HAVE_STRUCT_BUF
  88 #undef HAVE_ARPA_NAMESER_COMPAT_H
  89 /* glue for RedHat kernel bug */
  90 #undef ENABLE_REDHAT_BUILDSYS
  91 #if defined(ENABLE_REDHAT_BUILDSYS) && defined(KERNEL) && defined(REDHAT_FIX)
  92 #include "redhat-fix.h"
  93 #endif])
  94
  95 AC_CANONICAL_HOST
  96 SRCDIR_PARENT=`pwd`
  97
  98 #BOZO_SAVE_CORES pam sia
  99
 100 dnl System identity.
 101 AC_ARG_WITH([afs-sysname],
 102     [AS_HELP_STRING([--with-afs-sysname=sys], [use sys for the afs sysname])])
 103
 104 dnl General feature options.
 105 AC_ARG_ENABLE([afsdb],
 106     [AS_HELP_STRING([--disable-afsdb], [disable AFSDB DNS RR support])],
 107     ,
 108     [enable_afsdb="yes"])
 109 AC_ARG_ENABLE([obsolete],
 110     [AC_HELP_STRING([--enable-obsolete],
 111         [enable obsolete portions of AFS (mpp and package)])],
 112     ,
 113     [enable_obsolete="no"])
 114 AC_ARG_ENABLE([pam],
 115     [AS_HELP_STRING([--disable-pam], [disable PAM support])],
 116     ,
 117     [enable_pam="yes"])
 118 AC_ARG_ENABLE([bos-restricted-mode],
 119     [AS_HELP_STRING([--enable-bos-restricted-mode],
 120         [enable bosserver restricted mode which disables certain bosserver
 121          functionality])],
 122     ,
 123     [enable_bos_restricted_mode="no"])
 124 AC_ARG_ENABLE([bos-new-config],
 125     [AS_HELP_STRING([--enable-bos-new-config],
 126         [enable bosserver pickup of BosConfig.new on restarts])],
 127     ,
 128     [enable_bos_new_config="no"])
 129 AC_ARG_ENABLE([largefile-fileserver],
 130     [AS_HELP_STRING([--disable-largefile-fileserver],
 131         [disable large file support in fileserver])],
 132     ,
 133     [enable_largefile_fileserver="yes"])
 134 AC_ARG_ENABLE([namei-fileserver],
 135     [AS_HELP_STRING([--enable-namei-fileserver],
 136         [force compilation of namei fileserver in preference to inode
 137          fileserver])],
 138     ,
 139     [enable_namei_fileserver="default"])
 140 AC_ARG_ENABLE([cache-bypass],
 141     [AS_HELP_STRING([--enable-cache-bypass],
 142         [enable client support for cache bypass])],
 143     ,
 144     [enable_cache_bypass="no"])
 145 AC_ARG_ENABLE([supergroups],
 146     [AS_HELP_STRING([--enable-supergroups],
 147         [enable support for nested pts groups])],
 148     ,
 149     [enable_supergroups="no"])
 150 AC_ARG_ENABLE([fast-restart],
 151     [AS_HELP_STRING([--enable-fast-restart],
 152         [enable fast startup of file server without salvaging])],
 153     ,
 154     [enable_fast_restart="no"])
 155 AC_ARG_ENABLE([bitmap-later],
 156     [AS_HELP_STRING([--enable-bitmap-later],
 157         [enable fast startup of file server by not reading bitmap till
 158          needed])],
 159     ,
 160     [enable_bitmap_later="no"])
 161 AC_ARG_ENABLE([demand-attach-fs],
 162     [AS_HELP_STRING([--enable-demand-attach-fs],
 163         [enable Demand Attach Fileserver (please see documentation)])],
 164     ,
 165     [enable_demand_attach_fs="no"])
 166 AC_ARG_ENABLE([disconnected],
 167     [AS_HELP_STRING([--enable-disconnected],
 168         [enable disconnected support in cache manager (experimental)])],
 169     ,
 170     [enable_disconnected="no"])
 171 AC_ARG_ENABLE([unix-sockets],
 172     [AS_HELP_STRING([--enable-unix-sockets],
 173         [enable use of unix domain sockets for fssync])],
 174     ,
 175     [enable_unix_sockets="yes"])
 176 AC_ARG_ENABLE([full-vos-listvol-switch],
 177     [AS_HELP_STRING([--disable-full-vos-listvol-switch],
 178         [disable vos full listvol switch for formatted output])],
 179     ,
 180     [enable_full_vos_listvol_switch="yes"])
 181 AC_ARG_ENABLE([icmp-pmtu-discovery],
 182     [AS_HELP_STRING([--enable-icmp-pmtu-discovery],
 183         [enable path MTU discovery by decoding ICMP unreachable replies])],
 184     ,
 185     [enable_icmp_pmtu_discovery="no"])
 186 AC_ARG_ENABLE([tivoli-tsm],
 187     [AS_HELP_STRING([--enable-tivoli-tsm],
 188         [enable use of the Tivoli TSM API libraries for butc support])],
 189     ,
 190     [enable_tivoli_tsm="no"])
 191 AC_ARG_ENABLE([pthreaded-ubik],
 192     [AS_HELP_STRING([--enable-pthreaded-ubik],
 193         [enable installation of pthreaded ubik applications (defaults to
 194          disabled)])],
 195     ,
 196     [enable_pthreaded_ubik="no"])
 197 AC_ARG_ENABLE([linux-fh],
 198     [AS_HELP_STRING([--enable-linux-fh],
 199         [enable opening cache files by file hande instead of inode numbers
 200          with linux (defaults to disabled)])],
 201     ,
 202     [enable_linux_fh="no"])
 203
 204 dnl Kernel module build options.
 205 AC_ARG_WITH([dux-kernel-headers],
 206     [AS_HELP_STRING([--with-dux-kernel-headers=path],
 207         [use the kernel headers found at path (optional, defaults to first
 208          match in /usr/sys)])])
 209 AC_ARG_WITH([linux-kernel-headers],
 210     [AS_HELP_STRING([--with-linux-kernel-headers=path],
 211         [use the kernel headers found at path (optional, defaults to
 212          /usr/src/linux-2.4, then /usr/src/linux)])])
 213 AC_ARG_WITH([linux-kernel-build],
 214     [AS_HELP_STRING([--with-linux-kernel-build=path],
 215         [use the kernel build found at path(optional, defaults to
 216         /usr/src/linux-2.4, then /usr/src/linux)])])
 217 AC_ARG_WITH([bsd-kernel-headers],
 218     [AS_HELP_STRING([--with-bsd-kernel-headers=path],
 219         [use the kernel headers found at path (optional, defaults to
 220          /usr/src/sys)])])
 221 AC_ARG_WITH([bsd-kernel-build],
 222     [AS_HELP_STRING([--with-bsd-kernel-build=path],
 223         [use the kernel build found at path (optional, defaults to
 224          KSRC/i386/compile/GENERIC)])])
 225 AC_ARG_WITH([linux-kernel-packaging],
 226     [AS_HELP_STRING([--with-linux-kernel-packaging],
 227         [use standard naming conventions to aid Linux kernel build packaging
 228          (disables MPS, sets the kernel module name to openafs.ko, and
 229          installs kernel modules into the standard Linux location)])],
 230     [AC_SUBST(LINUX_KERNEL_PACKAGING, "yes")
 231      AC_SUBST(LINUX_LIBAFS_NAME, "openafs")],
 232     [AC_SUBST(LINUX_LIBAFS_NAME, "libafs")])
 233 AC_ARG_ENABLE([kernel-module],
 234     [AS_HELP_STRING([--disable-kernel-module],
 235         [disable compilation of the kernel module (defaults to enabled)])],
 236     ,
 237     [enable_kernel_module="yes"])
 238 AC_ARG_ENABLE([redhat-buildsys],
 239     [AS_HELP_STRING([--enable-redhat-buildsys],
 240         [enable compilation of the redhat build system kernel (defaults to
 241          disabled)])],
 242     ,
 243     [enable_redhat_buildsys="no"])
 244
 245 dnl Installation locations.
 246 AC_ARG_ENABLE([transarc-paths],
 247     [AS_HELP_STRING([--enable-transarc-paths],
 248         [use Transarc style paths like /usr/afs and /usr/vice])],
 249     ,
 250     [enable_transarc_paths="no"])
 251
 252 dnl Optimization and debugging flags.
 253 AC_ARG_ENABLE([strip-binaries],
 254     [AS_HELP_STRING([--disable-strip-binaries],
 255         [disable stripping of symbol information from binaries (defaults to
 256          enabled)])],
 257     ,
 258     [enable_strip_binaries="maybe"])
 259 AC_ARG_ENABLE([debug],
 260     [AS_HELP_STRING([--enable-debug],
 261         [enable compilation of the user space code with debugging information
 262          (defaults to disabled)])],
 263     ,
 264     [enable_debug="no"])
 265 AC_ARG_ENABLE([optimize],
 266     [AS_HELP_STRING([--disable-optimize],
 267         [disable optimization for compilation of the user space code (defaults
 268          to enabled)])],
 269     ,
 270     [enable_optimize="yes"])
 271 AC_ARG_ENABLE([warnings],
 272     [AS_HELP_STRING([--enable-warnings],
 273         [enable compilation warnings when building with gcc (defaults to
 274          disabled)])],
 275     ,
 276     [enable_warnings="no"])
 277 AC_ARG_ENABLE([debug-kernel],
 278     [AS_HELP_STRING([--enable-debug-kernel],
 279         [enable compilation of the kernel module with debugging information
 280          (defaults to disabled)])],
 281     ,
 282     [enable_debug_kernel="no"])
 283 AC_ARG_ENABLE([optimize-kernel],
 284     [AS_HELP_STRING([--disable-optimize-kernel],
 285         [disable compilation of the kernel module with optimization (defaults
 286          based on platform)])],
 287     ,
 288     [enable_optimize_kernel="yes"])
 289 AC_ARG_ENABLE([debug-lwp],
 290     [AS_HELP_STRING([--enable-debug-lwp],
 291         [enable compilation of the LWP code with debugging information
 292          (defaults to disabled)])],
 293     ,
 294     [enable_debug_lwp="no"])
 295 AC_ARG_ENABLE([optimize-lwp],
 296     [AS_HELP_STRING([--disable-optimize-lwp],
 297         [disable optimization for compilation of the LWP code (defaults to
 298          enabled)])],
 299     ,
 300     [enable_optimize_lwp="yes"])
 301 AC_ARG_ENABLE([debug-pam],
 302     [AS_HELP_STRING([--enable-debug-pam],
 303         [enable compilation of the PAM code with debugging information
 304          (defaults to disabled)])],
 305     ,
 306     [enable_debug_pam="no"])
 307 AC_ARG_ENABLE([optimize-pam],
 308     [AS_HELP_STRING([--disable-optimize-pam],
 309         [disable optimization for compilation of the PAM code (defaults to
 310          enabled)])],
 311     ,
 312     [enable_optimize_pam="yes"])
 313
 314
 315 enable_login="no"
 316
 317 dnl weird ass systems
 318 dnl AC_AIX
 319 AC_ISC_POSIX
 320 dnl AC_MINIX
 321
 322 dnl Various compiler setup.
 323 AC_TYPE_PID_T
 324 AC_TYPE_SIZE_T
 325 AC_TYPE_SIGNAL
 326 AC_TYPE_SOCKLEN_T
 327 AC_CHECK_TYPES(sig_t, , ,
 328   [#include <sys/types.h>
 329    #include <signal.h> ])
 330 AH_BOTTOM(
 331 [#ifndef HAVE_SIG_T
 332 typedef RETSIGTYPE (*sig_t) ();
 333 #endif])
 334 COMPILER_HAS_FUNCTION_MACRO
 335
 336 dnl Checks for programs.
 337 AC_PROG_INSTALL
 338 AC_PROG_LN_S
 339 AC_PROG_RANLIB
 340 AC_PROG_YACC
 341 AM_PROG_LEX
 342
 343 OPENAFS_CHECK_BIGENDIAN
 344
 345 AC_MSG_CHECKING(your OS)
 346 system=$host
 347 case $system in
 348         *-linux*)
 349
 350                 MKAFS_OSTYPE=LINUX
 351                 if test "x$enable_redhat_buildsys" = "xyes"; then
 352                  AC_DEFINE(ENABLE_REDHAT_BUILDSYS, 1, [define if you have redhat buildsystem])
 353                 fi
 354                 if test "x$enable_kernel_module" = "xyes"; then
 355                  if test "x$with_linux_kernel_headers" != "x"; then
 356                    LINUX_KERNEL_PATH="$with_linux_kernel_headers"
 357                  else
 358                    LINUX_KERNEL_PATH="/lib/modules/`uname -r`/source"
 359                    if test ! -f "$LINUX_KERNEL_PATH/include/linux/version.h"; then
 360                      LINUX_KERNEL_PATH="/lib/modules/`uname -r`/build"
 361                    fi
 362                    if test ! -f "$LINUX_KERNEL_PATH/include/linux/version.h"; then
 363                      LINUX_KERNEL_PATH="/usr/src/linux-2.4"
 364                    fi
 365                    if test ! -f "$LINUX_KERNEL_PATH/include/linux/version.h"; then
 366                      LINUX_KERNEL_PATH="/usr/src/linux"
 367                    fi
 368                  fi
 369                  if test "x$with_linux_kernel_build" != "x"; then
 370                          LINUX_KERNEL_BUILD="$with_linux_kernel_build"
 371                  else
 372                    LINUX_KERNEL_BUILD=$LINUX_KERNEL_PATH
 373                  fi
 374                if test -f "$LINUX_KERNEL_BUILD/include/linux/utsrelease.h"; then
 375                  linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/linux/utsrelease.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
 376                  LINUX_VERSION="$linux_kvers"
 377                else
 378                  if test -f "$LINUX_KERNEL_BUILD/include/linux/version.h"; then
 379                   linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/linux/version.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
 380                   if test "x$linux_kvers" = "x"; then
 381                     if test -f "$LINUX_KERNEL_BUILD/include/linux/version-up.h"; then
 382                       linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/linux/version-up.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
 383                       if test "x$linux_kvers" = "x"; then
 384
 385                         AC_MSG_ERROR(Linux headers lack version definition [2])
 386                         exit 1
 387                       else
 388                         LINUX_VERSION="$linux_kvers"
 389                       fi
 390                     else
 391                       AC_MSG_ERROR(Linux headers lack version definition)
 392                       exit 1
 393                     fi
 394                   else
 395                     LINUX_VERSION="$linux_kvers"
 396                   fi
 397                  else
 398                     enable_kernel_module="no"
 399                  fi
 400                fi
 401                  if test ! -f "$LINUX_KERNEL_BUILD/include/linux/autoconf.h"; then
 402                      enable_kernel_module="no"
 403                  fi
 404                  if test "x$enable_kernel_module" = "xno"; then
 405                   if test "x$with_linux_kernel_headers" != "x"; then
 406                    AC_MSG_ERROR(No usable linux headers found at $LINUX_KERNEL_PATH)
 407                    exit 1
 408                   else
 409                    AC_MSG_WARN(No usable linux headers found at $LINUX_KERNEL_PATH so disabling kernel module)
 410                   fi
 411                  fi
 412                  dnl do we need to determine SUBARCH from autoconf.h
 413                  SUBARCH=default
 414                 fi
 415                 AC_MSG_RESULT(linux)
 416                 if test "x$enable_kernel_module" = "xyes"; then
 417                  AFS_SYSKVERS=`echo $LINUX_VERSION | awk -F\. '{print $[]1 $[]2}'`
 418                  if test "x${AFS_SYSKVERS}" = "x"; then
 419                   AC_MSG_ERROR(Couldn't guess your Linux version [2])
 420                  fi
 421                 fi
 422                 ;;
 423         *-solaris*)
 424                 MKAFS_OSTYPE=SOLARIS
 425                 AC_MSG_RESULT(sun4)
 426                 SOLARIS_UFSVFS_HAS_DQRWLOCK
 427                 SOLARIS_PROC_HAS_P_COREFILE
 428                 SOLARIS_FS_HAS_FS_ROLLED
 429                 ;;
 430         *-sunos*)
 431                 MKAFS_OSTYPE=SUNOS
 432                 enable_kernel_module=no
 433                 AC_MSG_RESULT(sun4)
 434                 ;;
 435         *-hpux*)
 436                 MKAFS_OSTYPE=HPUX
 437                 AC_MSG_RESULT(hp_ux)
 438                 if test -f "/usr/old/usr/include/ndir.h"; then
 439                  AC_DEFINE(HAVE_USR_OLD_USR_INCLUDE_NDIR_H, 1, [define if you have old ndir.h])
 440                 fi
 441                 ;;
 442         *-irix*)
 443                 if test -d /usr/include/sys/SN/SN1; then
 444                  IRIX_BUILD_IP35="IP35"
 445                 fi
 446                 MKAFS_OSTYPE=IRIX
 447                 AC_MSG_RESULT(sgi)
 448                 ;;
 449         *-aix*)
 450                 MKAFS_OSTYPE=AIX
 451                 AC_MSG_RESULT(rs_aix)
 452                 ;;
 453         *-osf*)
 454                 MKAFS_OSTYPE=DUX
 455                 AC_MSG_RESULT(alpha_dux)
 456                 if test "x$enable_kernel_module" = "xyes"; then
 457                  if test "x$with_dux_kernel_headers" != "x"; then
 458                    HEADER_RT=`ls ${with_dux_kernel_headers}/rt_preempt.h | head -1 | sed 's,/rt_preempt.h,,;s,/usr/sys/,,'`
 459                  else
 460                    HEADER_RT=`ls /usr/sys/*/rt_preempt.h | head -1 | sed 's,/rt_preempt.h,,;s,/usr/sys/,,'`
 461                  fi
 462                 fi
 463                 if test "$HEADER_RT" = "*" ; then
 464                         AC_MSG_ERROR([Need a configured kernel directory])
 465                 fi
 466                 AC_SUBST([HEADER_RT])
 467                 ;;
 468         powerpc-*-darwin*)
 469                 MKAFS_OSTYPE=DARWIN
 470                 AC_MSG_RESULT(ppc_darwin)
 471                 ;;
 472         i386-*-darwin*)
 473                 MKAFS_OSTYPE=DARWIN
 474                 AC_MSG_RESULT(x86_darwin)
 475                 ;;
 476         i386-*-freebsd*)
 477                 MKAFS_OSTYPE=FBSD
 478                 AC_MSG_RESULT(i386_fbsd)
 479                 ;;
 480         x86_64-*-freebsd*)
 481                 MKAFS_OSTYPE=FBSD
 482                 AC_MSG_RESULT(amd64_fbsd)
 483                 ;;
 484         *-netbsd*)
 485                 MKAFS_OSTYPE=NBSD
 486                 AC_MSG_RESULT(nbsd)
 487                 ;;
 488         *-openbsd*)
 489                 MKAFS_OSTYPE=OBSD
 490                 AC_MSG_RESULT(i386_obsd)
 491                 ;;
 492         *)
 493                 AC_MSG_RESULT($system)
 494                 ;;
 495 esac
 496
 497 if test "x$with_afs_sysname" != "x"; then
 498         AFS_SYSNAME="$with_afs_sysname"
 499 else
 500         AC_MSG_CHECKING(your AFS sysname)
 501         case $host in
 502                 i?86-*-openbsd?.?)
 503                         v=${host#*openbsd}
 504                         vM=${v%.*}
 505                         vm=${v#*.}
 506                         AFS_SYSNAME="i386_obsd${vM}${vm}"
 507                         ;;
 508                 sparc64-*-openbsd?.?)
 509                         v=${host#*openbsd}
 510                         vM=${v%.*}
 511                         vm=${v#*.}
 512                         AFS_SYSNAME="sparc64_obsd${vM}${vm}"
 513                         ;;
 514                 i?86-*-freebsd?.*)
 515                         v=${host#*freebsd}
 516                         vM=${v%.*}
 517                         vm=${v#*.}
 518                         AFS_SYSNAME="i386_fbsd_${vM}${vm}"
 519                         ;;
 520                 x86_64-*-freebsd?.*)
 521                         v=${host#*freebsd}
 522                         vM=${v%.*}
 523                         vm=${v#*.}
 524                         AFS_SYSNAME="amd64_fbsd_${vM}${vm}"
 525                         ;;
 526                 i?86-*-netbsd*1.5*)
 527                         AFS_PARAM_COMMON=param.nbsd15.h
 528                         AFS_SYSNAME="i386_nbsd15"
 529                         ;;
 530                 alpha-*-netbsd*1.5*)
 531                         AFS_PARAM_COMMON=param.nbsd15.h
 532                         AFS_SYSNAME="alpha_nbsd15"
 533                         ;;
 534                 i?86-*-netbsd*1.6[[M-Z]]*)
 535                         AFS_PARAM_COMMON=param.nbsd20.h
 536                         AFS_SYSNAME="i386_nbsd20"
 537                         ;;
 538                 powerpc-*-netbsd*1.6[[M-Z]]*)
 539                         AFS_PARAM_COMMON=param.nbsd20.h
 540                         AFS_SYSNAME="ppc_nbsd20"
 541                         ;;
 542                 i?86-*-netbsd*2.0*)
 543                         AFS_PARAM_COMMON=param.nbsd20.h
 544                         AFS_SYSNAME="i386_nbsd20"
 545                         ;;
 546                 amd64-*-netbsd*2.0*)
 547                         AFS_PARAM_COMMON=param.nbsd20.h
 548                         AFS_SYSNAME="amd64_nbsd20"
 549                         ;;
 550                 x86_64-*-netbsd*3.[[0-8]]*)
 551                         AFS_PARAM_COMMON=param.nbsd30.h
 552                         AFS_SYSNAME="amd64_nbsd30"
 553                         ;;
 554                 x86_64-*-netbsd*4.[[0-8]]*)
 555                         AFS_PARAM_COMMON=param.nbsd40.h
 556                         AFS_SYSNAME="amd64_nbsd40"
 557                         ;;
 558                 powerpc-*-netbsd*2.0*)
 559                         AFS_PARAM_COMMON=param.nbsd20.h
 560                         AFS_SYSNAME="ppc_nbsd20"
 561                         ;;
 562                 i?86-*-netbsd*1.6*)
 563                         AFS_PARAM_COMMON=param.nbsd16.h
 564                         AFS_SYSNAME="i386_nbsd16"
 565                         ;;
 566                 alpha-*-netbsd*1.6*)
 567                         AFS_PARAM_COMMON=param.nbsd16.h
 568                         AFS_SYSNAME="alpha_nbsd16"
 569                         ;;
 570                 powerpc-*-netbsd*1.6*)
 571                         AFS_PARAM_COMMON=param.nbsd16.h
 572                         AFS_SYSNAME="ppc_nbsd16"
 573                         ;;
 574                 i?86-*-netbsd*2.1*)
 575                         AFS_PARAM_COMMON=param.nbsd21.h
 576                         AFS_SYSNAME="i386_nbsd21"
 577                         ;;
 578                 i?86-*-netbsd*2.99*)
 579                         AFS_PARAM_COMMON=param.nbsd30.h
 580                         AFS_SYSNAME="i386_nbsd30"
 581                         ;;
 582                 i?86-*-netbsd*3.[[0-8]]*)
 583                         AFS_PARAM_COMMON=param.nbsd30.h
 584                         AFS_SYSNAME="i386_nbsd30"
 585                         ;;
 586                 i?86-*-netbsd*3.99*)
 587                         AFS_PARAM_COMMON=param.nbsd30.h
 588                         AFS_SYSNAME="i386_nbsd30"
 589                         ;;
 590                 i?86-*-netbsd*4.[[0-8]]*)
 591                         AFS_PARAM_COMMON=param.nbsd40.h
 592                         AFS_SYSNAME="i386_nbsd40"
 593                         ;;
 594                 i?86-*-netbsd*4.99*)
 595                         AFS_PARAM_COMMON=param.nbsd40.h
 596                         AFS_SYSNAME="i386_nbsd40"
 597                         ;;
 598                 hppa*-hp-hpux11.0*)
 599                         AFS_SYSNAME="hp_ux110"
 600                         ;;
 601                 hppa*-hp-hpux11.11)
 602                         AFS_SYSNAME="hp_ux11i"
 603                         ;;
 604                 hppa*-hp-hpux11.23)
 605                         AFS_SYSNAME="hp_ux1123"
 606                         ;;
 607                 ia64-hp-hpux11.22)
 608                         AFS_SYSNAME="ia64_hpux1122"
 609                         ;;
 610                 ia64-hp-hpux*)
 611                         AFS_SYSNAME="ia64_hpux1123"
 612                         ;;
 613                 hppa*-hp-hpux10*)
 614                         AFS_SYSNAME="hp_ux102"
 615                         ;;
 616                 powerpc-apple-darwin1.2*)
 617                         AFS_SYSNAME="ppc_darwin_12"
 618                         ;;
 619                 powerpc-apple-darwin1.3*)
 620                         AFS_SYSNAME="ppc_darwin_13"
 621                         ;;
 622                 powerpc-apple-darwin1.4*)
 623                         AFS_SYSNAME="ppc_darwin_14"
 624                         ;;
 625                 powerpc-apple-darwin5.1*)
 626                         AFS_SYSNAME="ppc_darwin_14"
 627                         ;;
 628                 powerpc-apple-darwin5.2*)
 629                         AFS_SYSNAME="ppc_darwin_14"
 630                         ;;
 631                 powerpc-apple-darwin5.3*)
 632                         AFS_SYSNAME="ppc_darwin_14"
 633                         ;;
 634                 powerpc-apple-darwin5.4*)
 635                         AFS_SYSNAME="ppc_darwin_14"
 636                         ;;
 637                 powerpc-apple-darwin5.5*)
 638                         AFS_SYSNAME="ppc_darwin_14"
 639                         ;;
 640                 powerpc-apple-darwin6.0*)
 641                         AFS_SYSNAME="ppc_darwin_60"
 642                         ;;
 643                 powerpc-apple-darwin6.1*)
 644                         AFS_SYSNAME="ppc_darwin_60"
 645                         ;;
 646                 powerpc-apple-darwin6.2*)
 647                         AFS_SYSNAME="ppc_darwin_60"
 648                         ;;
 649                 powerpc-apple-darwin6.3*)
 650                         AFS_SYSNAME="ppc_darwin_60"
 651                         ;;
 652                 powerpc-apple-darwin6.4*)
 653                         AFS_SYSNAME="ppc_darwin_60"
 654                         ;;
 655                 powerpc-apple-darwin6.5*)
 656                         AFS_SYSNAME="ppc_darwin_60"
 657                         ;;
 658                 powerpc-apple-darwin7.0*)
 659                         AFS_SYSNAME="ppc_darwin_70"
 660                         ;;
 661                 powerpc-apple-darwin7.1*)
 662                         AFS_SYSNAME="ppc_darwin_70"
 663                         ;;
 664                 powerpc-apple-darwin7.2*)
 665                         AFS_SYSNAME="ppc_darwin_70"
 666                         ;;
 667                 powerpc-apple-darwin7.3*)
 668                         AFS_SYSNAME="ppc_darwin_70"
 669                         ;;
 670                 powerpc-apple-darwin7.4*)
 671                         AFS_SYSNAME="ppc_darwin_70"
 672                         ;;
 673                 powerpc-apple-darwin7.5*)
 674                         AFS_SYSNAME="ppc_darwin_70"
 675                         ;;
 676                 powerpc-apple-darwin8.0*)
 677                         AFS_SYSNAME="ppc_darwin_80"
 678                         ;;
 679                 powerpc-apple-darwin8.*)
 680                         AFS_SYSNAME="ppc_darwin_80"
 681                         ;;
 682                 i386-apple-darwin8.*)
 683                         AFS_SYSNAME="x86_darwin_80"
 684                         ;;
 685                 powerpc-apple-darwin9.*)
 686                         AFS_SYSNAME="ppc_darwin_90"
 687                         ;;
 688                 i386-apple-darwin9.*)
 689                         AFS_SYSNAME="x86_darwin_90"
 690                         ;;
 691                 sparc-sun-solaris2.5*)
 692                         AFS_SYSNAME="sun4x_55"
 693                         enable_login="yes"
 694                         ;;
 695                 sparc-sun-solaris2.6)
 696                         AFS_SYSNAME="sun4x_56"
 697                         ;;
 698                 sparc-sun-solaris2.7)
 699                         AFS_SYSNAME="sun4x_57"
 700                         ;;
 701                 sparc-sun-solaris2.8)
 702                         AFS_SYSNAME="sun4x_58"
 703                         ;;
 704                 sparc-sun-solaris2.9)
 705                         AFS_SYSNAME="sun4x_59"
 706                         ;;
 707                 sparc-sun-solaris2.10)
 708                         AFS_SYSNAME="sun4x_510"
 709                         ;;
 710                 sparc-sun-solaris2.11)
 711                         AFS_SYSNAME="sun4x_511"
 712                         ;;
 713                 sparc-sun-sunos4*)
 714                         AFS_SYSNAME="sun4_413"
 715                         enable_login="yes"
 716                         ;;
 717                 i386-pc-solaris2.7)
 718                         AFS_SYSNAME="sunx86_57"
 719                         ;;
 720                 i386-pc-solaris2.8)
 721                         AFS_SYSNAME="sunx86_58"
 722                         ;;
 723                 i386-pc-solaris2.9)
 724                         AFS_SYSNAME="sunx86_59"
 725                         ;;
 726                 i386-pc-solaris2.10)
 727                         AFS_SYSNAME="sunx86_510"
 728                         ;;
 729                 i386-pc-solaris2.11)
 730                         AFS_SYSNAME="sunx86_511"
 731                         ;;
 732                 alpha*-dec-osf4.0*)
 733                         AFS_SYSNAME="alpha_dux40"
 734                         ;;
 735                 alpha*-dec-osf5.0*)
 736                         AFS_SYSNAME="alpha_dux50"
 737                         ;;
 738                 alpha*-dec-osf5.1*)
 739                         AFS_SYSNAME="alpha_dux51"
 740                         ;;
 741                 mips-sgi-irix6.5)
 742                         AFS_SYSNAME="sgi_65"
 743                         ;;
 744                 ia64-*-linux*)
 745                         AFS_SYSNAME="ia64_linuxXX"
 746                         ;;
 747                 powerpc-*-linux*)
 748                         AFS_SYSNAME="`/bin/arch`_linuxXX"
 749                         ;;
 750                 powerpc64-*-linux*)
 751                         AFS_SYSNAME="ppc64_linuxXX"
 752                         ;;
 753                 alpha*-linux*)
 754                         AFS_SYSNAME="alpha_linux_XX"
 755                         ;;
 756                 s390-*-linux*)
 757                         AFS_SYSNAME="s390_linuxXX"
 758                         ;;
 759                 s390x-*-linux*)
 760                         AFS_SYSNAME="s390x_linuxXX"
 761                         ;;
 762                 sparc-*-linux*)
 763                         AFS_SYSNAME="`/bin/arch`_linuxXX"
 764                         ;;
 765                 sparc64-*-linux*)
 766                         AFS_SYSNAME="sparc64_linuxXX"
 767                         ;;
 768                 i?86-*-linux*)
 769                         AFS_SYSNAME="i386_linuxXX"
 770                         ;;
 771                 parisc-*-linux-gnu|hppa-*-linux-gnu)
 772                         AFS_SYSNAME="parisc_linuxXX"
 773                         enable_pam="no"
 774                         ;;
 775                 power*-ibm-aix4.2*)
 776                         AFS_SYSNAME="rs_aix42"
 777                         enable_pam="no"
 778                         ;;
 779                 power*-ibm-aix4.3*)
 780                         AFS_SYSNAME="rs_aix42"
 781                         enable_pam="no"
 782                         ;;
 783                 power*-ibm-aix5.1*)
 784                         AFS_SYSNAME="rs_aix51"
 785                         enable_pam="no"
 786                         ;;
 787                 power*-ibm-aix5.2*)
 788                         AFS_SYSNAME="rs_aix52"
 789                         enable_pam="no"
 790                         ;;
 791                 power*-ibm-aix5.3*)
 792                         AFS_SYSNAME="rs_aix53"
 793                         enable_pam="no"
 794                         ;;
 795                 power*-ibm-aix6.1*)
 796                         AFS_SYSNAME="rs_aix61"
 797                         enable_pam="no"
 798                         ;;
 799                 x86_64-*-linux-gnu)
 800                         AFS_SYSNAME="amd64_linuxXX"
 801                         enable_pam="no"
 802                         ;;
 803                 *)
 804                         AC_MSG_ERROR(An AFS sysname is required)
 805                         exit 1
 806                         ;;
 807         esac
 808         case $AFS_SYSNAME in
 809                 *_linux* | *_umlinux*)
 810                         if test "x${AFS_SYSKVERS}" = "x"; then
 811                          AC_MSG_ERROR(Couldn't guess your Linux version. Please use the --with-afs-sysname option to configure an AFS sysname.)
 812                         fi
 813                         _AFS_SYSNAME=`echo $AFS_SYSNAME|sed s/XX\$/$AFS_SYSKVERS/`
 814                         AFS_SYSNAME="$_AFS_SYSNAME"
 815                         save_CPPFLAGS="$CPPFLAGS"
 816                         CPPFLAGS="-I${LINUX_KERNEL_PATH}/include $CPPFLAGS"
 817                         AC_TRY_COMPILE(
 818                          [#include <linux/autoconf.h>],
 819                          [#ifndef CONFIG_USERMODE
 820                           #error not UML
 821                           #endif],
 822                          ac_cv_linux_is_uml=yes,)
 823                         if test "${ac_cv_linux_is_uml}" = yes; then
 824                          _AFS_SYSNAME=`echo $AFS_SYSNAME|sed s/linux/umlinux/`
 825                         fi
 826                         CPPFLAGS="$save_CPPFLAGS"
 827                         AFS_SYSNAME="$_AFS_SYSNAME"
 828                         ;;
 829         esac
 830         AC_MSG_RESULT($AFS_SYSNAME)
 831 fi
 832
 833 case $AFS_SYSNAME in *_linux* | *_umlinux*)
 834
 835                 # Add (sub-) architecture-specific paths needed by conftests
 836                 case $AFS_SYSNAME  in
 837                         *_umlinux26)
 838                                 UMLINUX26_FLAGS="-I$LINUX_KERNEL_PATH/arch/um/include"
 839                                 UMLINUX26_FLAGS="$UMLINUX26_FLAGS -I$LINUX_KERNEL_PATH/arch/um/kernel/tt/include"
 840                                 UMLINUX26_FLAGS="$UMLINUX26_FLAGS -I$LINUX_KERNEL_PATH/arch/um/kernel/skas/include"
 841                                 CPPFLAGS="$CPPFLAGS $UMLINUX26_FLAGS"
 842                 esac
 843
 844                 if test "x$enable_kernel_module" = "xyes"; then
 845                  if test "x$enable_debug_kernel" = "xno"; then
 846                         LINUX_GCC_KOPTS="$LINUX_GCC_KOPTS -fomit-frame-pointer"
 847                  fi
 848                  OPENAFS_GCC_SUPPORTS_MARCH
 849                  AC_SUBST(P5PLUS_KOPTS)
 850                  OPENAFS_GCC_NEEDS_NO_STRENGTH_REDUCE
 851                  OPENAFS_GCC_NEEDS_NO_STRICT_ALIASING
 852                  OPENAFS_GCC_SUPPORTS_NO_COMMON
 853                  OPENAFS_GCC_SUPPORTS_PIPE
 854                  AC_SUBST(LINUX_GCC_KOPTS)
 855                  ifdef([OPENAFS_CONFIGURE_LIBAFS],
 856                    [LINUX_BUILD_VNODE_FROM_INODE(src/config,src/afs)],
 857                    [LINUX_BUILD_VNODE_FROM_INODE(${srcdir}/src/config,src/afs/LINUX,${srcdir}/src/afs/LINUX)]
 858                  )
 859
 860                  LINUX_KBUILD_USES_EXTRA_CFLAGS
 861                  LINUX_KERNEL_COMPILE_WORKS
 862                  LINUX_EXPORTS_FIND_TASK_BY_PID
 863                  LINUX_EXPORTS_PROC_ROOT_FS
 864                  LINUX_HAVE_CURRENT_KERNEL_TIME
 865                  LINUX_HAVE_WRITE_BEGIN_AOP
 866                  LINUX_HAVE_BDI_INIT
 867                  LINUX_KMEM_CACHE_INIT
 868                  LINUX_HAVE_GRAB_CACHE_PAGE_WRITE_BEGIN
 869                  LINUX_STRUCT_TASK_HAS_CRED
 870                  LINUX_HAVE_KMEM_CACHE_T
 871                  LINUX_KMEM_CACHE_CREATE_TAKES_DTOR
 872                  LINUX_D_PATH_TAKES_STRUCT_PATH
 873                  LINUX_NEW_EXPORT_OPS
 874                  LINUX_CONFIG_H_EXISTS
 875                  LINUX_COMPLETION_H_EXISTS
 876                  LINUX_SEMAPHORE_H_EXISTS
 877                  LINUX_EXPORTFS_H_EXISTS
 878                  LINUX_DEFINES_FOR_EACH_PROCESS
 879                  LINUX_DEFINES_PREV_TASK
 880                  LINUX_FS_STRUCT_SUPER_HAS_ALLOC_INODE
 881                  LINUX_FS_STRUCT_ADDRESS_SPACE_HAS_PAGE_LOCK
 882                  LINUX_FS_STRUCT_ADDRESS_SPACE_HAS_GFP_MASK
 883                  LINUX_FS_STRUCT_INODE_HAS_I_ALLOC_SEM
 884                  LINUX_FS_STRUCT_INODE_HAS_I_BLKBITS
 885                  LINUX_FS_STRUCT_INODE_HAS_I_BLKSIZE
 886                  LINUX_FS_STRUCT_INODE_HAS_I_TRUNCATE_SEM
 887                  LINUX_FS_STRUCT_INODE_HAS_I_DIRTY_DATA_BUFFERS
 888                  LINUX_FS_STRUCT_INODE_HAS_I_DEVICES
 889                  LINUX_FS_STRUCT_INODE_HAS_I_MMAP_SHARED
 890                  LINUX_FS_STRUCT_INODE_HAS_I_MUTEX
 891                  LINUX_FS_STRUCT_INODE_HAS_I_SB_LIST
 892                  LINUX_FS_STRUCT_INODE_HAS_I_SECURITY
 893                  LINUX_FS_STRUCT_INODE_HAS_INOTIFY_LOCK
 894                  LINUX_FS_STRUCT_INODE_HAS_INOTIFY_SEM
 895                  LINUX_INODE_SETATTR_RETURN_TYPE
 896                  LINUX_WRITE_INODE_RETURN_TYPE
 897                  LINUX_IOP_I_CREATE_TAKES_NAMEIDATA
 898                  LINUX_IOP_I_LOOKUP_TAKES_NAMEIDATA
 899                  LINUX_IOP_I_PERMISSION_TAKES_NAMEIDATA
 900                  LINUX_IOP_I_PUT_LINK_TAKES_COOKIE
 901                  LINUX_DOP_D_REVALIDATE_TAKES_NAMEIDATA
 902                  LINUX_FOP_F_FLUSH_TAKES_FL_OWNER_T
 903                  LINUX_AOP_WRITEBACK_CONTROL
 904                  LINUX_FS_STRUCT_FOP_HAS_FLOCK
 905                  LINUX_FS_STRUCT_FOP_HAS_SENDFILE
 906                  LINUX_FS_STRUCT_FOP_HAS_SPLICE
 907                  LINUX_KERNEL_LINUX_SYSCALL_H
 908                  LINUX_KERNEL_LINUX_SEQ_FILE_H
 909                  LINUX_KERNEL_POSIX_LOCK_FILE_WAIT_ARG
 910                  LINUX_KERNEL_SELINUX
 911                  LINUX_KERNEL_SOCK_CREATE
 912                  LINUX_KERNEL_PAGE_FOLLOW_LINK
 913                  LINUX_KERNEL_HLIST_UNHASHED
 914                  LINUX_KEY_TYPE_H_EXISTS
 915                  LINUX_NEED_RHCONFIG
 916                  LINUX_RECALC_SIGPENDING_ARG_TYPE
 917                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_PARENT
 918                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_REAL_PARENT
 919                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_SIG
 920                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_SIGHAND
 921                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_SIGMASK_LOCK
 922                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_RLIM
 923                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_SIGNAL_RLIM
 924                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_EXIT_STATE
 925                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_TGID
 926                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_TODO
 927                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_THREAD_INFO
 928                  LINUX_EXPORTS_TASKLIST_LOCK
 929                  LINUX_GET_SB_HAS_STRUCT_VFSMOUNT
 930                  LINUX_STATFS_TAKES_DENTRY
 931                  LINUX_FREEZER_H_EXISTS
 932                  LINUX_HAVE_SVC_ADDR_IN
 933                  if test "x$ac_cv_linux_freezer_h_exists" = "xyes" ; then
 934                   AC_DEFINE(FREEZER_H_EXISTS, 1, [define if you have linux/freezer.h])
 935                  fi
 936                  LINUX_REFRIGERATOR
 937                  LINUX_LINUX_KEYRING_SUPPORT
 938                  LINUX_KEY_ALLOC_NEEDS_STRUCT_TASK
 939                  LINUX_DO_SYNC_READ
 940                  LINUX_GENERIC_FILE_AIO_READ
 941                  LINUX_INIT_WORK_HAS_DATA
 942                  LINUX_REGISTER_SYSCTL_TABLE_NOFLAG
 943                  LINUX_SYSCTL_TABLE_CHECKING
 944                  LINUX_HAVE_IGET
 945                  LINUX_HAVE_I_SIZE_READ
 946                  LINUX_HAVE_D_ALLOC_ANON
 947                  if test "x$ac_cv_linux_d_alloc_anon" = "xno"; then
 948                    AC_DEFINE([AFS_NONFSTRANS], 1, [define to disable the nfs translator])
 949                  fi
 950                  LINUX_FS_STRUCT_NAMEIDATA_HAS_PATH
 951                  LINUX_EXPORTS_INIT_MM
 952                  LINUX_EXPORTS_SYS_CHDIR
 953                  LINUX_EXPORTS_SYS_CLOSE
 954                  LINUX_EXPORTS_SYS_OPEN
 955                  LINUX_EXPORTS_SYS_WAIT4
 956                  LINUX_EXPORTS_RCU_READ_LOCK
 957                  if test "x$with_linux_kernel_packaging" = "xno" ; then
 958                    LINUX_WHICH_MODULES
 959                  else
 960                    AC_SUBST(MPS,'SP')
 961                  fi
 962                  if test "x$ac_cv_linux_config_modversions" = "xno" -o $AFS_SYSKVERS -ge 26; then
 963                    AC_MSG_WARN([Cannot determine sys_call_table status. assuming it isn't exported])
 964                    ac_cv_linux_exports_sys_call_table=no
 965                    if test -f "$LINUX_KERNEL_PATH/include/asm/ia32_unistd.h"; then
 966                      ac_cv_linux_exports_ia32_sys_call_table=yes
 967                    fi
 968                  else
 969                    LINUX_EXPORTS_KALLSYMS_ADDRESS
 970                    LINUX_EXPORTS_KALLSYMS_SYMBOL
 971                    LINUX_EXPORTS_SYS_CALL_TABLE
 972                    LINUX_EXPORTS_IA32_SYS_CALL_TABLE
 973                    if test "x$ac_cv_linux_exports_sys_call_table" = "xno"; then
 974                          linux_syscall_method=none
 975                          if test "x$ac_cv_linux_exports_init_mm" = "xyes"; then
 976                             linux_syscall_method=scan
 977                             if test "x$ac_cv_linux_exports_kallsyms_address" = "xyes"; then
 978                                linux_syscall_method=scan_with_kallsyms_address
 979                             fi
 980                          fi
 981                          if test "x$ac_cv_linux_exports_kallsyms_symbol" = "xyes"; then
 982                             linux_syscall_method=kallsyms_symbol
 983                          fi
 984                          if test "x$linux_syscall_method" = "xnone"; then
 985                             AC_MSG_WARN([no available sys_call_table access method -- guessing scan])
 986                             linux_syscall_method=scan
 987                          fi
 988                    fi
 989                  fi
 990                  if test -f "$LINUX_KERNEL_PATH/include/linux/in_systm.h"; then
 991                   AC_DEFINE(HAVE_IN_SYSTM_H, 1, [define if you have in_systm.h header file])
 992                  fi
 993                  if test -f "$LINUX_KERNEL_PATH/include/linux/mm_inline.h"; then
 994                   AC_DEFINE(HAVE_MM_INLINE_H, 1, [define if you have mm_inline.h header file])
 995                  fi
 996                  if test -f "$LINUX_KERNEL_PATH/include/linux/in_systm.h"; then
 997                   AC_DEFINE(HAVE_IN_SYSTM_H, 1, [define if you have in_systm.h header file])
 998                  fi
 999                  if test "x$ac_cv_linux_exports_sys_chdir" = "xyes" ; then
1000                   AC_DEFINE(EXPORTED_SYS_CHDIR, 1, [define if your linux kernel exports sys_chdir])
1001                  fi
1002                  if test "x$ac_cv_linux_exports_sys_open" = "xyes" ; then
1003                   AC_DEFINE(EXPORTED_SYS_OPEN, 1, [define if your linux kernel exports sys_open])
1004                  fi
1005                  if test "x$ac_cv_linux_exports_sys_close" = "xyes" ; then
1006                   AC_DEFINE(EXPORTED_SYS_CLOSE, 1, [define if your linux kernel exports sys_close])
1007                  fi
1008                  if test "x$ac_cv_linux_exports_sys_wait4" = "xyes" ; then
1009                   AC_DEFINE(EXPORTED_SYS_WAIT4, 1, [define if your linux kernel exports sys_wait4])
1010                  fi
1011                  if test "x$ac_cv_linux_exports_sys_call_table" = "xyes"; then
1012                   AC_DEFINE(EXPORTED_SYS_CALL_TABLE, 1, [define if your linux kernel exports sys_call_table])
1013                  fi
1014                  if test "x$ac_cv_linux_exports_ia32_sys_call_table" = "xyes"; then
1015                   AC_DEFINE(EXPORTED_IA32_SYS_CALL_TABLE, 1, [define if your linux kernel exports ia32_sys_call_table])
1016                  fi
1017                  if test "x$ac_cv_linux_exports_kallsyms_symbol" = "xyes"; then
1018                   AC_DEFINE(EXPORTED_KALLSYMS_SYMBOL, 1, [define if your linux kernel exports kallsyms])
1019                  fi
1020                  if test "x$ac_cv_linux_exports_kallsyms_address" = "xyes"; then
1021                   AC_DEFINE(EXPORTED_KALLSYMS_ADDRESS, 1, [define if your linux kernel exports kallsyms address])
1022                  fi
1023                  if test "x$ac_cv_linux_completion_h_exists" = "xyes" ; then
1024                   AC_DEFINE(COMPLETION_H_EXISTS, 1, [define if completion_h exists])
1025                  fi
1026                  if test "x$ac_cv_linux_config_h_exists" = "xyes" ; then
1027                   AC_DEFINE(CONFIG_H_EXISTS, 1, [define if config.h exists])
1028                  fi
1029                  if test "x$ac_cv_linux_exportfs_h_exists" = "xyes"; then
1030                   AC_DEFINE(EXPORTFS_H_EXISTS, 1, [define if linux/exportfs.h exists])
1031                  fi
1032                  if test "x$ac_cv_linux_key_type_h_exists" = "xyes" ; then
1033                   AC_DEFINE(KEY_TYPE_H_EXISTS, 1, [define if key-type.h exists])
1034                  fi
1035                  if test "x$ac_cv_linux_defines_for_each_process" = "xyes" ; then
1036                   AC_DEFINE(DEFINED_FOR_EACH_PROCESS, 1, [define if for_each_process defined])
1037                  fi
1038                  if test "x$ac_cv_linux_defines_prev_task" = "xyes" ; then
1039                   AC_DEFINE(DEFINED_PREV_TASK, 1, [define if prev_task defined])
1040                  fi
1041                  if test "x$ac_cv_linux_func_inode_setattr_returns_int" = "xyes" ; then
1042                   AC_DEFINE(INODE_SETATTR_NOT_VOID, 1, [define if your setattr return return non-void])
1043                  fi
1044                  if test "x$ac_cv_linux_func_write_inode_returns_int" = "xyes" ; then
1045                   AC_DEFINE(WRITE_INODE_NOT_VOID, 1, [define if your sops.write_inode returns non-void])
1046                  fi
1047                  if test "x$ac_cv_linux_fs_struct_super_has_alloc_inode" = "xyes" ; then
1048                   AC_DEFINE(STRUCT_SUPER_HAS_ALLOC_INODE, 1, [define if your struct super_operations has alloc_inode])
1049                  fi
1050                  if test "x$ac_cv_linux_fs_struct_address_space_has_page_lock" = "xyes"; then
1051                   AC_DEFINE(STRUCT_ADDRESS_SPACE_HAS_PAGE_LOCK, 1, [define if your struct address_space has page_lock])
1052                  fi
1053                  if test "x$ac_cv_linux_fs_struct_address_space_has_gfp_mask" = "xyes"; then
1054                   AC_DEFINE(STRUCT_ADDRESS_SPACE_HAS_GFP_MASK, 1, [define if your struct address_space has gfp_mask])
1055                  fi
1056                  if test "x$ac_cv_linux_fs_struct_inode_has_i_truncate_sem" = "xyes"; then
1057                   AC_DEFINE(STRUCT_INODE_HAS_I_TRUNCATE_SEM, 1, [define if your struct inode has truncate_sem])
1058                  fi
1059                  if test "x$ac_cv_linux_fs_struct_inode_has_i_alloc_sem" = "xyes"; then
1060                   AC_DEFINE(STRUCT_INODE_HAS_I_ALLOC_SEM, 1, [define if your struct inode has alloc_sem])
1061                  fi
1062                  if test "x$ac_cv_linux_fs_struct_inode_has_i_blksize" = "xyes"; then
1063                   AC_DEFINE(STRUCT_INODE_HAS_I_BLKSIZE, 1, [define if your struct inode has i_blksize])
1064                  fi
1065                  if test "x$ac_cv_linux_fs_struct_inode_has_i_devices" = "xyes"; then
1066                   AC_DEFINE(STRUCT_INODE_HAS_I_DEVICES, 1, [define if you struct inode has i_devices])
1067                  fi
1068                  if test "x$ac_cv_linux_fs_struct_inode_has_i_security" = "xyes"; then
1069                   AC_DEFINE(STRUCT_INODE_HAS_I_SECURITY, 1, [define if you struct inode has i_security])
1070                  fi
1071                  if test "x$ac_cv_linux_fs_struct_inode_has_i_mutex" = "xyes"; then
1072                   AC_DEFINE(STRUCT_INODE_HAS_I_MUTEX, 1, [define if you struct inode has i_mutex])
1073                  fi
1074                  if test "x$ac_cv_linux_fs_struct_inode_has_i_sb_list" = "xyes"; then
1075                   AC_DEFINE(STRUCT_INODE_HAS_I_SB_LIST, 1, [define if you struct inode has i_sb_list])
1076                  fi
1077                  if test "x$ac_cv_linux_fs_struct_inode_has_i_dirty_data_buffers" = "xyes"; then
1078                   AC_DEFINE(STRUCT_INODE_HAS_I_DIRTY_DATA_BUFFERS, 1, [define if your struct inode has data_buffers])
1079                  fi
1080                  if test "x$ac_cv_linux_fs_struct_inode_has_inotify_lock" = "xyes"; then
1081                   AC_DEFINE(STRUCT_INODE_HAS_INOTIFY_LOCK, 1, [define if your struct inode has inotify_lock])
1082                  fi
1083                  if test "x$ac_cv_linux_fs_struct_inode_has_inotify_sem" = "xyes"; then
1084                   AC_DEFINE(STRUCT_INODE_HAS_INOTIFY_SEM, 1, [define if your struct inode has inotify_sem])
1085                  fi
1086                  if test "x$ac_cv_linux_func_recalc_sigpending_takes_void" = "xyes"; then
1087                   AC_DEFINE(RECALC_SIGPENDING_TAKES_VOID, 1, [define if your recalc_sigpending takes void])
1088                  fi
1089                  if test "x$ac_cv_linux_kernel_posix_lock_file_wait_arg" = "xyes" ; then
1090                   AC_DEFINE(POSIX_LOCK_FILE_WAIT_ARG, 1, [define if your linux kernel uses 3 arguments for posix_lock_file])
1091                  fi
1092                  if test "x$ac_cv_linux_kernel_is_selinux" = "xyes" ; then
1093                   AC_DEFINE(LINUX_KERNEL_IS_SELINUX, 1, [define if your linux kernel uses SELinux features])
1094                  fi
1095                  if test "x$ac_cv_linux_kernel_sock_create_v" = "xyes" ; then
1096                   AC_DEFINE(LINUX_KERNEL_SOCK_CREATE_V, 1, [define if your linux kernel uses 5 arguments for sock_create])
1097                  fi
1098                  if test "x$ac_cv_linux_kernel_page_follow_link" = "xyes" ; then
1099                   AC_DEFINE(HAVE_KERNEL_PAGE_FOLLOW_LINK, 1, [define if your linux kernel provides page_follow_link])
1100                  fi
1101                  if test "x$ac_cv_linux_kernel_hlist_unhashed" = "xyes" ; then
1102                   AC_DEFINE(HAVE_KERNEL_HLIST_UNHASHED, 1, [define if your linux kernel provides hlist_unhashed])
1103                  fi
1104                  if test "x$ac_linux_syscall" = "xyes" ; then
1105                   AC_DEFINE(HAVE_KERNEL_LINUX_SYSCALL_H, 1, [define if your linux kernel has linux/syscall.h])
1106                  fi
1107                  if test "x$ac_linux_seq_file" = "xyes" ; then
1108                   AC_DEFINE(HAVE_KERNEL_LINUX_SEQ_FILE_H, 1, [define if your linux kernel has linux/seq_file.h])
1109                  fi
1110                  if test "x$ac_cv_linux_sched_struct_task_struct_has_parent" = "xyes"; then
1111                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_PARENT, 1, [define if your struct task_struct has parent])
1112                  fi
1113                  if test "x$ac_cv_linux_sched_struct_task_struct_has_real_parent" = "xyes"; then
1114                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_REAL_PARENT, 1, [define if your struct task_struct has real_parent])
1115                  fi
1116                  if test "x$ac_cv_linux_sched_struct_task_struct_has_sigmask_lock" = "xyes"; then
1117                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_SIGMASK_LOCK, 1, [define if your struct task_struct has sigmask_lock])
1118                  fi
1119                  if test "x$ac_cv_linux_sched_struct_task_struct_has_sighand" = "xyes"; then
1120                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_SIGHAND, 1, [define if your struct task_struct has sighand])
1121                  fi
1122                  if test "x$ac_cv_linux_sched_struct_task_struct_has_sig" = "xyes"; then
1123                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_SIG, 1, [define if your struct task_struct has sig])
1124                  fi
1125                  if test "x$ac_cv_linux_sched_struct_task_struct_has_rlim" = "xyes"; then
1126                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_RLIM, 1, [define if your struct task_struct has rlim])
1127                  fi
1128                  if test "x$ac_cv_linux_sched_struct_task_struct_has_signal_rlim" = "xyes"; then
1129                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_SIGNAL_RLIM, 1, [define if your struct task_struct has signal->rlim])
1130                  fi
1131                  if test "x$ac_cv_linux_sched_struct_task_struct_has_exit_state" = "xyes"; then
1132                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_EXIT_STATE, 1, [define if your struct task_struct has exit_state])
1133                  fi
1134                  if test "x$ac_cv_linux_sched_struct_task_struct_has_tgid" = "xyes"; then
1135                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_TGID, 1, [define if your struct task_struct has tgid])
1136                  fi
1137                  if test "x$ac_cv_linux_sched_struct_task_struct_has_todo" = "xyes"; then
1138                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_TODO, 1, [define if your struct task_struct has todo])
1139                  fi
1140                  if test "x$ac_cv_linux_sched_struct_task_struct_has_thread_info" = "xyes"; then
1141                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_THREAD_INFO, 1, [define if your struct task_struct has thread_info])
1142                  fi
1143                  if test "x$ac_cv_linux_get_sb_has_struct_vfsmount" = "xyes"; then
1144                   AC_DEFINE(GET_SB_HAS_STRUCT_VFSMOUNT, 1, [define if your get_sb_nodev needs a struct vfsmount argument])
1145                  fi
1146                  if test "x$ac_cv_linux_statfs_takes_dentry" = "xyes"; then
1147                   AC_DEFINE(STATFS_TAKES_DENTRY, 1, [define if your statfs takes a dentry argument])
1148                  fi
1149                  if test "x$ac_cv_linux_func_a_writepage_takes_writeback_control" = "xyes" ; then
1150                   AC_DEFINE(AOP_WRITEPAGE_TAKES_WRITEBACK_CONTROL, 1, [define if your aops.writepage takes a struct writeback_control argument])
1151                  fi
1152                  if test "x$ac_cv_linux_func_refrigerator_takes_pf_freeze" = "xyes" ; then
1153                   AC_DEFINE(LINUX_REFRIGERATOR_TAKES_PF_FREEZE, 1, [define if your refrigerator takes PF_FREEZE])
1154                  fi
1155                  if test "x$ac_cv_linux_func_i_create_takes_nameidata" = "xyes" ; then
1156                   AC_DEFINE(IOP_CREATE_TAKES_NAMEIDATA, 1, [define if your iops.create takes a nameidata argument])
1157                  fi
1158                  if test "x$ac_cv_linux_func_f_flush_takes_fl_owner_t" = "xyes" ; then
1159                   AC_DEFINE(FOP_FLUSH_TAKES_FL_OWNER_T, 1, [define if your fops.flush takes an fl_owner_t argument])
1160                  fi
1161                  if test "x$ac_cv_linux_func_i_lookup_takes_nameidata" = "xyes" ; then
1162                   AC_DEFINE(IOP_LOOKUP_TAKES_NAMEIDATA, 1, [define if your iops.lookup takes a nameidata argument])
1163                  fi
1164                  if test "x$ac_cv_linux_func_i_permission_takes_nameidata" = "xyes" ; then
1165                   AC_DEFINE(IOP_PERMISSION_TAKES_NAMEIDATA, 1, [define if your iops.permission takes a nameidata argument])
1166                  fi
1167                  if test "x$ac_cv_linux_func_d_revalidate_takes_nameidata" = "xyes" ; then
1168                   AC_DEFINE(DOP_REVALIDATE_TAKES_NAMEIDATA, 1, [define if your dops.d_revalidate takes a nameidata argument])
1169                  fi
1170                  if test "x$ac_cv_linux_init_work_has_data" = "xyes" ; then
1171                   AC_DEFINE(INIT_WORK_HAS_DATA, 1, [define if INIT_WORK takes a data (3rd) argument])
1172                  fi
1173                  if test "x$ac_cv_linux_fs_struct_fop_has_flock" = "xyes" ; then
1174                   AC_DEFINE(STRUCT_FILE_OPERATIONS_HAS_FLOCK, 1, [define if your struct file_operations has flock])
1175                  fi
1176                  if test "x$ac_cv_linux_fs_struct_fop_has_sendfile" = "xyes" ; then
1177                   AC_DEFINE(STRUCT_FILE_OPERATIONS_HAS_SENDFILE, 1, [define if your struct file_operations has sendfile])
1178                  fi
1179                  if test "x$ac_cv_linux_fs_struct_fop_has_splice" = "xyes" ; then
1180                   AC_DEFINE(STRUCT_FILE_OPERATIONS_HAS_SPLICE, 1, [define if your struct file_operations has splice_write and splice_read])
1181                  fi
1182                  if test "x$ac_cv_linux_register_sysctl_table_noflag" = "xyes" ; then
1183                   AC_DEFINE(REGISTER_SYSCTL_TABLE_NOFLAG, 1, [define if register_sysctl_table has no insert_at head flag])
1184                  fi
1185                  if test "x$ac_cv_linux_sysctl_table_checking" = "xyes" ; then
1186                   AC_DEFINE(SYSCTL_TABLE_CHECKING, 1, [define if your kernel has sysctl table checking])
1187                  fi
1188                  if test "x$ac_cv_linux_have_iget" = "xyes" ; then
1189                   AC_DEFINE(HAVE_IGET, 1, [define if your kernel has iget])
1190                  fi
1191                  if test "x$ac_cv_linux_struct_nameidata_has_path" = "xyes" ; then
1192                   AC_DEFINE(STRUCT_NAMEIDATA_HAS_PATH, 1, [define if your struct nameidata has path])
1193                  fi
1194                  if test "x$ac_cv_linux_exports_init_mm" = "xyes" ; then
1195                   AC_DEFINE(EXPORTED_INIT_MM, 1, [define if your kernel exports init_mm])
1196                  fi
1197                  if test "x$ac_cv_linux_exports_tasklist_lock" = "xyes" ; then
1198                   AC_DEFINE(EXPORTED_TASKLIST_LOCK, 1, [define if tasklist_lock exported])
1199                  fi
1200                  if test "x$ac_cv_linux_have_kmem_cache_t" = "xyes" ; then
1201                   AC_DEFINE(HAVE_KMEM_CACHE_T, 1, [define if kmem_cache_t exists])
1202                  fi
1203                  if test "x$ac_cv_linux_kmem_cache_init" = "xyes" ; then
1204                   AC_DEFINE(KMEM_CACHE_INIT, 1, [define for new kmem_cache init function parameters])
1205                  fi
1206                  if test "x$ac_cv_linux_have_current_kernel_time" = "xyes" ; then
1207                   AC_DEFINE(HAVE_CURRENT_KERNEL_TIME, 1, [define if current_kernel_time() exists])
1208                  fi
1209                  if test "x$ac_cv_linux_have_kmem_cache_t" = "xyes" ; then
1210                   AC_DEFINE(KMEM_CACHE_TAKES_DTOR, 1, [define if kmem_cache_create takes a destructor argument])
1211                  fi
1212                  if test "$enable_linux_fh" = "yes"; then
1213                   AC_DEFINE(LINUX_USE_FH, 1, [define if you want to open cache files by file handle instead of inode numbers])
1214                  fi
1215                  if test "x$ac_cv_linux_kernel_page_follow_link" = "xyes" -o "x$ac_cv_linux_func_i_put_link_takes_cookie" = "xyes"; then
1216                   AC_DEFINE(USABLE_KERNEL_PAGE_SYMLINK_CACHE, 1, [define if your kernel has a usable symlink cache API])
1217                  else
1218                   AC_MSG_WARN([your kernel does not have a usable symlink cache API])
1219                  fi
1220                  if test "x$ac_cv_linux_have_svc_addr_in" = "xyes"; then
1221                   AC_DEFINE(HAVE_SVC_ADDR_IN, 1, [define if svc_add_in exists])
1222                  fi
1223                 :
1224                 fi
1225 esac
1226
1227 case $AFS_SYSNAME in
1228         *_darwin*)
1229                 DARWIN_PLIST=src/libafs/afs.${AFS_SYSNAME}.plist
1230                 DARWIN_INFOFILE=afs.${AFS_SYSNAME}.plist
1231                 dnl the test below fails on darwin, even if the CPPFLAGS below
1232                 dnl are added. the headers from Kernel.framework must be used
1233                 dnl when KERNEL is defined.
1234
1235                 dnl really, such a thing isn't guaranteed to work on any
1236                 dnl platform until the kernel cflags from MakefileProto are
1237                 dnl known to configure
1238                 AC_DEFINE(HAVE_STRUCT_BUF, 1, [define if you have a struct buf])
1239                 ;;
1240         *)
1241 AC_MSG_CHECKING(for definition of struct buf)
1242 dnl save_CPPFLAGS="$CPPFLAGS"
1243 dnl CPPFLAGS="$CPPFLAGS -DKERNEL -D_KERNEL -D__KERNEL -D__KERNEL__"
1244 AC_CACHE_VAL(ac_cv_have_struct_buf, [
1245         ac_cv_have_struct_buf=no
1246         AC_TRY_COMPILE(
1247                 [#include <sys/buf.h>],
1248                 [struct buf x;
1249                 printf("%d\n", sizeof(x));],
1250                 ac_cv_have_struct_buf=yes,)
1251         ]
1252 )
1253 dnl CPPFLAGS="$save_CPPFLAGS"
1254 AC_MSG_RESULT($ac_cv_have_struct_buf)
1255 if test "$ac_cv_have_struct_buf" = yes; then
1256         AC_DEFINE(HAVE_STRUCT_BUF, 1, [define if you have a struct buf])
1257 fi
1258 ;;
1259 esac
1260
1261
1262 AC_CACHE_VAL(ac_cv_sockaddr_len,
1263 [
1264 AC_MSG_CHECKING([if struct sockaddr has sa_len field])
1265 AC_TRY_COMPILE( [#include <sys/types.h>
1266 #include <sys/socket.h>],
1267 [struct sockaddr *a;
1268 a->sa_len=0;], ac_cv_sockaddr_len=yes, ac_cv_sockaddr_len=no)
1269 AC_MSG_RESULT($ac_cv_sockaddr_len)])
1270 if test "$ac_cv_sockaddr_len" = "yes"; then
1271    AC_DEFINE(STRUCT_SOCKADDR_HAS_SA_LEN, 1, [define if you struct sockaddr sa_len])
1272 fi
1273 if test "x${MKAFS_OSTYPE}" = "xIRIX"; then
1274         echo Skipping library tests because they confuse Irix.
1275 else
1276   AC_CHECK_FUNCS(socket)
1277
1278   if test "$ac_cv_func_socket" = no; then
1279     for lib in socket inet; do
1280         if test "$HAVE_SOCKET" != 1; then
1281                 AC_CHECK_LIB(${lib}, socket,LIBS="$LIBS -l$lib";HAVE_SOCKET=1;AC_DEFINE(HAVE_SOCKET, 1, [define if you have socket]))
1282         fi
1283     done
1284   fi
1285
1286   AC_CHECK_FUNCS(connect)
1287
1288   if test "$ac_cv_func_connect" = no; then
1289     for lib in nsl; do
1290         if test "$HAVE_CONNECT" != 1; then
1291                 AC_CHECK_LIB(${lib}, connect,LIBS="$LIBS -l$lib";HAVE_CONNECT=1;AC_DEFINE(HAVE_CONNECT, 1, [define if you have connect]))
1292         fi
1293     done
1294   fi
1295
1296   AC_CHECK_FUNCS(gethostbyname)
1297   if test "$ac_cv_func_gethostbyname" = no; then
1298         for lib in dns nsl resolv; do
1299           if test "$HAVE_GETHOSTBYNAME" != 1; then
1300             AC_CHECK_LIB(${lib}, gethostbyname, LIBS="$LIBS -l$lib";HAVE_GETHOSTBYNAME=1;AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [define if you have gethostbyname]))
1301           fi
1302         done
1303   fi
1304
1305   dnl darwin wants it, aix hates it
1306   AC_MSG_CHECKING(for the useability of arpa/nameser_compat.h)
1307   AC_TRY_COMPILE([
1308   #include <stdlib.h>
1309   #include <stdio.h>
1310   #include <sys/types.h>
1311   #include <sys/socket.h>
1312   #include <netinet/in.h>
1313   #include <arpa/inet.h>
1314   #include <arpa/nameser.h>
1315   #include <arpa/nameser_compat.h>
1316   #include <resolv.h>
1317   ], [static int i; i = 0;],
1318   [AC_MSG_RESULT(yes)
1319    AC_DEFINE(HAVE_ARPA_NAMESER_COMPAT_H, 1, [define if arpa/nameser_compat.h exists])],
1320   [AC_MSG_RESULT(no)
1321    ])
1322
1323   openafs_save_libs="$LIBS"
1324   AC_MSG_CHECKING([for res_search])
1325   AC_FUNC_RES_SEARCH
1326
1327   if test "$ac_cv_func_res_search" = no; then
1328       for lib in dns nsl resolv; do
1329         if test "$ac_cv_func_res_search" != yes; then
1330           LIBS="-l$lib $LIBS"
1331           AC_FUNC_RES_SEARCH
1332           LIBS="$openafs_save_libs"
1333         fi
1334       done
1335       if test "$ac_cv_func_res_search" = yes; then
1336         LIB_res_search="-l$lib"
1337         AC_DEFINE(HAVE_RES_SEARCH, 1, [])
1338         AC_MSG_RESULT([yes, in lib$lib])
1339       else
1340         AC_MSG_RESULT(no)
1341       fi
1342   else
1343     AC_DEFINE(HAVE_RES_SEARCH, 1, [])
1344     AC_MSG_RESULT(yes)
1345   fi
1346
1347 fi
1348
1349 AC_CACHE_VAL(ac_cv_setsockopt_iprecverr,
1350 [
1351 AC_MSG_CHECKING([for setsockopt(, SOL_IP, IP_RECVERR)])
1352 AC_TRY_COMPILE( [#include <sys/types.h>
1353 #include <sys/socket.h>
1354 #include <netinet/in.h>],
1355 [int on=1;
1356 setsockopt(0, SOL_IP, IP_RECVERR, &on, sizeof(on));], ac_cv_setsockopt_iprecverr=yes, ac_cv_setsockopt_iprecverr=no)
1357 AC_MSG_RESULT($ac_cv_setsockopt_iprecverr)])
1358 if test "$ac_cv_setsockopt_iprecverr" = "yes"; then
1359    AC_DEFINE(ADAPT_PMTU_RECVERR, 1, [define if asynchronous socket errors can be received])
1360 fi
1361
1362 PTHREAD_LIBS=error
1363 if test "x$MKAFS_OSTYPE" = OBSD; then
1364         PTHREAD_LIBS="-pthread"
1365 fi
1366 if test "x$PTHREAD_LIBS" = xerror; then
1367         AC_CHECK_LIB(pthread, pthread_attr_init,
1368                 PTHREAD_LIBS="-lpthread")
1369 fi
1370 if test "x$PTHREAD_LIBS" = xerror; then
1371         AC_CHECK_LIB(pthreads, pthread_attr_init,
1372                 PTHREAD_LIBS="-lpthreads")
1373 fi
1374 if test "x$PTHREAD_LIBS" = xerror; then
1375         AC_CHECK_LIB(c_r, pthread_attr_init,
1376                 PTHREAD_LIBS="-lc_r")
1377 fi
1378 if test "x$PTHREAD_LIBS" = xerror; then
1379         AC_CHECK_FUNC(pthread_attr_init, PTHREAD_LIBS="")
1380 fi
1381 if test "x$PTHREAD_LIBS" = xerror; then
1382         # pthread_attr_init is a macro under HPUX 11.0 and 11.11
1383         AC_CHECK_LIB(pthread, pthread_attr_destroy,
1384                 PTHREAD_LIBS="-lpthread")
1385 fi
1386 if test "x$PTHREAD_LIBS" = xerror; then
1387         AC_MSG_WARN(*** Unable to locate working posix thread library ***)
1388 fi
1389 AC_SUBST(PTHREAD_LIBS)
1390
1391 WITH_OBSOLETE=NO
1392 if test "$enable_obsolete" = "yes"; then
1393         WITH_OBSOLETE=YES
1394 fi
1395
1396 HOST_CPU="$host_cpu"
1397
1398 if test "x$with_bsd_kernel_headers" != "x"; then
1399         BSD_KERNEL_PATH="$with_bsd_kernel_headers"
1400 else
1401         BSD_KERNEL_PATH="/usr/src/sys"
1402 fi
1403
1404 if test "x$with_bsd_kernel_build" != "x"; then
1405         BSD_KERNEL_BUILD="$with_bsd_kernel_build"
1406 else
1407         case $AFS_SYSNAME in
1408                 *_fbsd_4?)
1409                         BSD_KERNEL_BUILD="${BSD_KERNEL_PATH}/compile/GENERIC"
1410                         ;;
1411                 *_fbsd_*)
1412                         BSD_KERNEL_BUILD="${BSD_KERNEL_PATH}/${HOST_CPU}/compile/GENERIC"
1413                         ;;
1414         esac
1415 fi
1416
1417 # Fast restart
1418 if test "$enable_supergroups" = "yes"; then
1419         AC_DEFINE(SUPERGROUPS, 1, [define if you want to have support for nested pts groups])
1420 fi
1421
1422 if test "$enable_fast_restart" = "yes"; then
1423         AC_DEFINE(FAST_RESTART, 1, [define if you want to have fast restart])
1424 fi
1425
1426 if test "$enable_bitmap_later" = "yes"; then
1427         AC_DEFINE(BITMAP_LATER, 1, [define if you want to salvager to check bitmasks later])
1428 fi
1429
1430 if test "$enable_demand_attach_fs" = "yes"; then
1431         AC_DEFINE(DEMAND_ATTACH_ENABLE, 1, [define if you want the demand attach fileserver])
1432         DEMAND_ATTACH="yes"
1433 else
1434         DEMAND_ATTACH="no"
1435 fi
1436 AC_SUBST(DEMAND_ATTACH)
1437
1438 if test "$enable_disconnected" = "yes"; then
1439         AC_DEFINE(AFS_DISCON_ENV, 1, [define if you want support for disconnected operation])
1440 fi
1441
1442 if test "$enable_unix_sockets" = "yes"; then
1443         AC_DEFINE(USE_UNIX_SOCKETS, 1, [define if you want to use UNIX sockets for fssync.])
1444         USE_UNIX_SOCKETS="yes"
1445 else
1446         USE_UNIX_SOCKETS="no"
1447 fi
1448 AC_SUBST(USE_UNIX_SOCKETS)
1449
1450 if test "$enable_fast_restart" = "yes" &&
1451    test "$enable_demand_attach_fs" = "yes" ; then
1452         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.])
1453         exit 1
1454 fi
1455
1456 if test "$enable_full_vos_listvol_switch" = "yes"; then
1457         AC_DEFINE(FULL_LISTVOL_SWITCH, 1, [define if you want to want listvol switch])
1458 fi
1459
1460 if test "$enable_icmp_pmtu_discovery" = "yes"; then
1461    if test "$ac_cv_setsockopt_iprecverr" = "yes"; then
1462         AC_DEFINE(ADAPT_PMTU, 1, [define if you want to decode icmp unreachable packets to discover path mtu])
1463    fi
1464 fi
1465
1466 if test "$enable_bos_restricted_mode" = "yes"; then
1467         AC_DEFINE(BOS_RESTRICTED_MODE, 1, [define if you want to want bos restricted mode])
1468 fi
1469
1470 if test "$enable_bos_new_config" = "yes"; then
1471         AC_DEFINE(BOS_NEW_CONFIG, 1, [define if you want to enable automatic renaming of BosConfig.new to BosConfig at startup])
1472 fi
1473
1474 if test "$enable_largefile_fileserver" = "yes"; then
1475         AC_DEFINE(AFS_LARGEFILE_ENV, 1, [define if you want large file fileserver])
1476 fi
1477
1478 if test "$enable_cache_bypass" = "yes"; then
1479         AC_DEFINE(AFS_CACHE_BYPASS, 1, [define to activate cache bypassing Unix client])
1480 fi
1481
1482 if test "$enable_namei_fileserver" = "yes"; then
1483         AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1484 else
1485         if test "$enable_namei_fileserver" = "default"; then
1486                 case $host in
1487                         *-solaris2.10*)
1488                                 AC_MSG_WARN(Some Solaris 10 versions are not safe with the inode fileserver. Forcing namei. Override with --disable-namei-fileserver)
1489                                 AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1490                                 ;;
1491                         *-solaris2.11*)
1492                                 AC_MSG_WARN(Solaris 11 versions are not safe with the inode fileserver. Forcing namei. Override with --disable-namei-fileserver)
1493                                 AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1494                                 ;;
1495                         *)
1496                                 ;;
1497                 esac
1498         fi
1499 fi
1500
1501 if test "$enable_afsdb" = "yes"; then
1502         LIB_AFSDB="$LIB_res_search"
1503         AC_DEFINE(AFS_AFSDB_ENV, 1, [define if you want to want search afsdb rr])
1504 fi
1505
1506 dnl check for tivoli
1507 AC_MSG_CHECKING(for tivoli tsm butc support)
1508 XBSA_CFLAGS=""
1509 if test "$enable_tivoli_tsm" = "yes"; then
1510         XBSADIR1=/usr/tivoli/tsm/client/api/bin/xopen
1511         XBSADIR2=/opt/tivoli/tsm/client/api/bin/xopen
1512         XBSADIR3=/usr/tivoli/tsm/client/api/bin/sample
1513         XBSADIR4=/opt/tivoli/tsm/client/api/bin/sample
1514
1515         if test -r "$XBSADIR3/dsmapifp.h"; then
1516                 XBSA_CFLAGS="-Dxbsa -DNEW_XBSA -I$XBSADIR3"
1517                 XBSA_XLIBS="-ldl"
1518                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1519         elif test -r "$XBSADIR4/dsmapifp.h"; then
1520                 XBSA_CFLAGS="-Dxbsa -DNEW_XBSA -I$XBSADIR4"
1521                 XBSA_XLIBS="-ldl"
1522                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1523         elif test -r "$XBSADIR1/xbsa.h"; then
1524                 XBSA_CFLAGS="-Dxbsa -I$XBSADIR1"
1525                 XBSA_XLIBS=""
1526                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1527         elif test -r "$XBSADIR2/xbsa.h"; then
1528                 XBSA_CFLAGS="-Dxbsa -I$XBSADIR2"
1529                 XBSA_XLIBS=""
1530                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1531         else
1532                 AC_MSG_RESULT([no, missing xbsa.h and dsmapifp.h header files])
1533         fi
1534 else
1535         AC_MSG_RESULT([no])
1536 fi
1537 AC_SUBST(XBSA_CFLAGS)
1538 AC_SUBST(XBSA_XLIBS)
1539
1540 dnl checks for header files.
1541 AC_HEADER_STDC
1542 AC_HEADER_SYS_WAIT
1543 AC_HEADER_DIRENT
1544 AC_CHECK_HEADERS(stdlib.h string.h unistd.h poll.h fcntl.h sys/time.h sys/file.h)
1545 AC_CHECK_HEADERS(netinet/in.h netdb.h sys/fcntl.h sys/mnttab.h sys/mntent.h)
1546 AC_CHECK_HEADERS(mntent.h sys/vfs.h sys/param.h sys/fs_types.h sys/fstyp.h)
1547 AC_CHECK_HEADERS(sys/mount.h strings.h termios.h signal.h poll.h)
1548 AC_CHECK_HEADERS(windows.h malloc.h winsock2.h direct.h io.h sys/user.h)
1549 AC_CHECK_HEADERS(security/pam_modules.h siad.h usersec.h ucontext.h regex.h values.h)
1550 AC_CHECK_HEADERS(linux/errqueue.h,,,[#include <linux/types.h>])
1551
1552 if test "$ac_cv_header_security_pam_modules_h" = yes -a "$enable_pam" = yes; then
1553         HAVE_PAM="yes"
1554 else
1555         HAVE_PAM="no"
1556 fi
1557 AC_SUBST(HAVE_PAM)
1558
1559 if test "$enable_login" = yes; then
1560         BUILD_LOGIN="yes"
1561 else
1562         BUILD_LOGIN="no"
1563 fi
1564 AC_SUBST(BUILD_LOGIN)
1565
1566 AC_CHECK_FUNCS(utimes random srandom getdtablesize snprintf strlcat strlcpy re_comp re_exec flock)
1567 AC_CHECK_FUNCS(setprogname getprogname sigaction mkstemp vsnprintf strerror strcasestr)
1568 AC_CHECK_FUNCS(setvbuf vsyslog)
1569 AC_FUNC_SETVBUF_REVERSED
1570 AC_CHECK_FUNCS(regcomp regexec regerror)
1571 AC_MSG_CHECKING([for POSIX regex library])
1572 if test "$ac_cv_header_regex_h" = "yes" && \
1573         test "$ac_cv_func_regcomp" = "yes" && \
1574         test "$ac_cv_func_regexec" = "yes" && \
1575         test "$ac_cv_func_regerror" = "yes"; then
1576     AC_DEFINE(HAVE_POSIX_REGEX, 1, [define if you have POSIX regex library])
1577     AC_MSG_RESULT(yes)
1578 else
1579     AC_MSG_RESULT(no)
1580 fi
1581
1582 AC_CHECK_TYPE(ssize_t, int)
1583 AC_SIZEOF_TYPE(long)
1584
1585 AC_CHECK_FUNCS(timegm)
1586 AC_CHECK_FUNCS(daemon)
1587
1588 dnl Directory PATH handling
1589 if test "x$enable_transarc_paths" = "xyes"  ; then
1590     afsconfdir=${afsconfdir=/usr/afs/etc}
1591     viceetcdir=${viceetcdir=/usr/vice/etc}
1592     afskerneldir=${afskerneldir=${viceetcdir}}
1593     afssrvbindir=${afssrvbindir=/usr/afs/bin}
1594     afssrvsbindir=${afssrvsbindir=/usr/afs/bin}
1595     afssrvlibexecdir=${afssrvlibexecdir=/usr/afs/bin}
1596     afsdbdir=${afsdbdir=/usr/afs/db}
1597     afslogsdir=${afslogsdir=/usr/afs/logs}
1598     afslocaldir=${afslocaldir=/usr/afs/local}
1599     afsbackupdir=${afsbackupdir=/usr/afs/backup}
1600     afsbosconfigdir=${afsbosconfigdir=/usr/afs/local}
1601 else
1602     afsconfdir=${afsconfdir='${sysconfdir}/openafs/server'}
1603     viceetcdir=${viceetcdir='${sysconfdir}/openafs'}
1604     afskerneldir=${afskerneldir='${libdir}/openafs'}
1605     afssrvbindir=${afssrvbindir='${bindir}'}
1606     afssrvsbindir=${afssrvsbindir='${sbindir}'}
1607     afssrvlibexecdir=${afssrvlibexecdir='${libexecdir}/openafs'}
1608     afsdbdir=${afsdbdir='${localstatedir}/openafs/db'}
1609     afslogsdir=${afslogsdir='${localstatedir}/openafs/logs'}
1610     afslocaldir=${afslocaldir='${localstatedir}/openafs'}
1611     afsbackupdir=${afsbackupdir='${localstatedir}/openafs/backup'}
1612     afsbosconfigdir=${afsbosconfigdir='${sysconfdir}/openafs'}
1613 fi
1614 AC_SUBST(afsconfdir)
1615 AC_SUBST(viceetcdir)
1616 AC_SUBST(afskerneldir)
1617 AC_SUBST(afssrvbindir)
1618 AC_SUBST(afssrvsbindir)
1619 AC_SUBST(afssrvlibexecdir)
1620 AC_SUBST(afsdbdir)
1621 AC_SUBST(afslogsdir)
1622 AC_SUBST(afslocaldir)
1623 AC_SUBST(afsbackupdir)
1624 AC_SUBST(afsbosconfigdir)
1625
1626 if test "x$enable_kernel_module" = "xyes"; then
1627 ENABLE_KERNEL_MODULE=libafs
1628 fi
1629
1630 if test "x$enable_pthreaded_ubik" = "xyes"; then
1631 ENABLE_PTHREADED_UBIK=yes
1632 fi
1633
1634 AC_SUBST(AFS_SYSNAME)
1635 AC_SUBST(AFS_PARAM_COMMON)
1636 AC_SUBST(ENABLE_KERNEL_MODULE)
1637 AC_SUBST(ENABLE_PTHREADED_UBIK)
1638 AC_SUBST(LIB_AFSDB)
1639 AC_SUBST(LINUX_KERNEL_PATH)
1640 AC_SUBST(LINUX_KERNEL_BUILD)
1641 AC_SUBST(HOST_CPU)
1642 AC_SUBST(BSD_KERNEL_PATH)
1643 AC_SUBST(BSD_KERNEL_BUILD)
1644 AC_SUBST(LINUX_VERSION)
1645 AC_SUBST(MKAFS_OSTYPE)
1646 AC_SUBST(TOP_OBJDIR)
1647 AC_SUBST(TOP_SRCDIR)
1648 AC_SUBST(TOP_INCDIR)
1649 AC_SUBST(TOP_LIBDIR)
1650 AC_SUBST(DEST)
1651 AC_SUBST(WITH_OBSOLETE)
1652 AC_SUBST(DARWIN_INFOFILE)
1653 AC_SUBST(IRIX_BUILD_IP35)
1654
1655 OPENAFS_OSCONF
1656 OPENAFS_KRB5CONF
1657
1658 TOP_SRCDIR="${srcdir}/src"
1659 dnl
1660 dnl If we're using ./configure, need a more reasonable TOP_SRCDIR, since relative links don't work everywhere
1661 dnl
1662 case $TOP_SRCDIR in
1663         /*)
1664                 ;;
1665         *)
1666                 TOP_SRCDIR=`cd $TOP_SRCDIR; pwd`
1667                 ;;
1668 esac
1669
1670 TOP_OBJDIR="${SRCDIR_PARENT}"
1671 TOP_INCDIR="${SRCDIR_PARENT}/include"
1672 TOP_LIBDIR="${SRCDIR_PARENT}/lib"
1673 if test "${DEST}x" = "x"; then
1674         DEST="${SRCDIR_PARENT}/${AFS_SYSNAME}/dest"
1675 fi
1676
1677 HELPER_SPLINT="${TOP_SRCDIR}/helper-splint.sh"
1678 HELPER_SPLINTCFG="${TOP_SRCDIR}/splint.cfg"
1679 AC_SUBST(HELPER_SPLINT)
1680 AC_SUBST(HELPER_SPLINTCFG)
1681
1682 mkdir -p ${TOP_OBJDIR}/src/JAVA/libjafs
1683
1684 ])