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 #ifndef SIG_T_DEFINED
 333 #define SIG_T_DEFINED
 334 typedef RETSIGTYPE (*sig_t) ();
 335 #endif
 336 #endif])
 337 COMPILER_HAS_FUNCTION_MACRO
 338
 339 dnl Checks for programs.
 340 AC_PROG_INSTALL
 341 AC_PROG_LN_S
 342 AC_PROG_RANLIB
 343 AC_PROG_YACC
 344 AM_PROG_LEX
 345
 346 OPENAFS_CHECK_BIGENDIAN
 347
 348 AC_MSG_CHECKING(your OS)
 349 system=$host
 350 case $system in
 351         *-linux*)
 352
 353                 MKAFS_OSTYPE=LINUX
 354                 if test "x$enable_redhat_buildsys" = "xyes"; then
 355                  AC_DEFINE(ENABLE_REDHAT_BUILDSYS, 1, [define if you have redhat buildsystem])
 356                 fi
 357                 if test "x$enable_kernel_module" = "xyes"; then
 358                  if test "x$with_linux_kernel_headers" != "x"; then
 359                    LINUX_KERNEL_PATH="$with_linux_kernel_headers"
 360                  else
 361                    LINUX_KERNEL_PATH="/lib/modules/`uname -r`/source"
 362                    if test ! -f "$LINUX_KERNEL_PATH/include/linux/version.h"; then
 363                      LINUX_KERNEL_PATH="/lib/modules/`uname -r`/build"
 364                    fi
 365                    if test ! -f "$LINUX_KERNEL_PATH/include/linux/version.h"; then
 366                      LINUX_KERNEL_PATH="/usr/src/linux-2.4"
 367                    fi
 368                    if test ! -f "$LINUX_KERNEL_PATH/include/linux/version.h"; then
 369                      LINUX_KERNEL_PATH="/usr/src/linux"
 370                    fi
 371                  fi
 372                  if test "x$with_linux_kernel_build" != "x"; then
 373                          LINUX_KERNEL_BUILD="$with_linux_kernel_build"
 374                  else
 375                    LINUX_KERNEL_BUILD=$LINUX_KERNEL_PATH
 376                  fi
 377                if test -f "$LINUX_KERNEL_BUILD/include/linux/utsrelease.h"; then
 378                  linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/linux/utsrelease.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
 379                  LINUX_VERSION="$linux_kvers"
 380                else
 381                  if test -f "$LINUX_KERNEL_BUILD/include/linux/version.h"; then
 382                   linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/linux/version.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
 383                   if test "x$linux_kvers" = "x"; then
 384                     if test -f "$LINUX_KERNEL_BUILD/include/linux/version-up.h"; then
 385                       linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/linux/version-up.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
 386                       if test "x$linux_kvers" = "x"; then
 387
 388                         AC_MSG_ERROR(Linux headers lack version definition [2])
 389                         exit 1
 390                       else
 391                         LINUX_VERSION="$linux_kvers"
 392                       fi
 393                     else
 394                       AC_MSG_ERROR(Linux headers lack version definition)
 395                       exit 1
 396                     fi
 397                   else
 398                     LINUX_VERSION="$linux_kvers"
 399                   fi
 400                  else
 401                     enable_kernel_module="no"
 402                  fi
 403                fi
 404                  if test ! -f "$LINUX_KERNEL_BUILD/include/linux/autoconf.h"; then
 405                      enable_kernel_module="no"
 406                  fi
 407                  if test "x$enable_kernel_module" = "xno"; then
 408                   if test "x$with_linux_kernel_headers" != "x"; then
 409                    AC_MSG_ERROR(No usable linux headers found at $LINUX_KERNEL_PATH)
 410                    exit 1
 411                   else
 412                    AC_MSG_WARN(No usable linux headers found at $LINUX_KERNEL_PATH so disabling kernel module)
 413                   fi
 414                  fi
 415                  dnl do we need to determine SUBARCH from autoconf.h
 416                  SUBARCH=default
 417                 fi
 418                 AC_MSG_RESULT(linux)
 419                 if test "x$enable_kernel_module" = "xyes"; then
 420                  AFS_SYSKVERS=`echo $LINUX_VERSION | awk -F\. '{print $[]1 $[]2}'`
 421                  if test "x${AFS_SYSKVERS}" = "x"; then
 422                   AC_MSG_ERROR(Couldn't guess your Linux version [2])
 423                  fi
 424                 fi
 425                 ;;
 426         *-solaris*)
 427                 MKAFS_OSTYPE=SOLARIS
 428                 AC_MSG_RESULT(sun4)
 429                 SOLARIS_UFSVFS_HAS_DQRWLOCK
 430                 SOLARIS_PROC_HAS_P_COREFILE
 431                 SOLARIS_FS_HAS_FS_ROLLED
 432                 ;;
 433         *-sunos*)
 434                 MKAFS_OSTYPE=SUNOS
 435                 enable_kernel_module=no
 436                 AC_MSG_RESULT(sun4)
 437                 ;;
 438         *-hpux*)
 439                 MKAFS_OSTYPE=HPUX
 440                 AC_MSG_RESULT(hp_ux)
 441                 if test -f "/usr/old/usr/include/ndir.h"; then
 442                  AC_DEFINE(HAVE_USR_OLD_USR_INCLUDE_NDIR_H, 1, [define if you have old ndir.h])
 443                 fi
 444                 ;;
 445         *-irix*)
 446                 if test -d /usr/include/sys/SN/SN1; then
 447                  IRIX_BUILD_IP35="IP35"
 448                 fi
 449                 MKAFS_OSTYPE=IRIX
 450                 AC_MSG_RESULT(sgi)
 451                 ;;
 452         *-aix*)
 453                 MKAFS_OSTYPE=AIX
 454                 AC_MSG_RESULT(rs_aix)
 455                 ;;
 456         *-osf*)
 457                 MKAFS_OSTYPE=DUX
 458                 AC_MSG_RESULT(alpha_dux)
 459                 if test "x$enable_kernel_module" = "xyes"; then
 460                  if test "x$with_dux_kernel_headers" != "x"; then
 461                    HEADER_RT=`ls ${with_dux_kernel_headers}/rt_preempt.h | head -1 | sed 's,/rt_preempt.h,,;s,/usr/sys/,,'`
 462                  else
 463                    HEADER_RT=`ls /usr/sys/*/rt_preempt.h | head -1 | sed 's,/rt_preempt.h,,;s,/usr/sys/,,'`
 464                  fi
 465                 fi
 466                 if test "$HEADER_RT" = "*" ; then
 467                         AC_MSG_ERROR([Need a configured kernel directory])
 468                 fi
 469                 AC_SUBST([HEADER_RT])
 470                 ;;
 471         powerpc-*-darwin*)
 472                 MKAFS_OSTYPE=DARWIN
 473                 AC_MSG_RESULT(ppc_darwin)
 474                 ;;
 475         i386-*-darwin*)
 476                 MKAFS_OSTYPE=DARWIN
 477                 AC_MSG_RESULT(x86_darwin)
 478                 ;;
 479         i386-*-freebsd*)
 480                 MKAFS_OSTYPE=FBSD
 481                 AC_MSG_RESULT(i386_fbsd)
 482                 ;;
 483         x86_64-*-freebsd*)
 484                 MKAFS_OSTYPE=FBSD
 485                 AC_MSG_RESULT(amd64_fbsd)
 486                 ;;
 487         *-netbsd*)
 488                 MKAFS_OSTYPE=NBSD
 489                 AC_MSG_RESULT(nbsd)
 490                 ;;
 491         *-openbsd*)
 492                 MKAFS_OSTYPE=OBSD
 493                 AC_MSG_RESULT(i386_obsd)
 494                 ;;
 495         *)
 496                 AC_MSG_RESULT($system)
 497                 ;;
 498 esac
 499
 500 if test "x$with_afs_sysname" != "x"; then
 501         AFS_SYSNAME="$with_afs_sysname"
 502 else
 503         AC_MSG_CHECKING(your AFS sysname)
 504         case $host in
 505                 i?86-*-openbsd?.?)
 506                         v=${host#*openbsd}
 507                         vM=${v%.*}
 508                         vm=${v#*.}
 509                         AFS_SYSNAME="i386_obsd${vM}${vm}"
 510                         ;;
 511                 sparc64-*-openbsd?.?)
 512                         v=${host#*openbsd}
 513                         vM=${v%.*}
 514                         vm=${v#*.}
 515                         AFS_SYSNAME="sparc64_obsd${vM}${vm}"
 516                         ;;
 517                 i?86-*-freebsd?.*)
 518                         v=${host#*freebsd}
 519                         vM=${v%.*}
 520                         vm=${v#*.}
 521                         AFS_SYSNAME="i386_fbsd_${vM}${vm}"
 522                         ;;
 523                 x86_64-*-freebsd?.*)
 524                         v=${host#*freebsd}
 525                         vM=${v%.*}
 526                         vm=${v#*.}
 527                         AFS_SYSNAME="amd64_fbsd_${vM}${vm}"
 528                         ;;
 529                 i?86-*-netbsd*1.5*)
 530                         AFS_PARAM_COMMON=param.nbsd15.h
 531                         AFS_SYSNAME="i386_nbsd15"
 532                         ;;
 533                 alpha-*-netbsd*1.5*)
 534                         AFS_PARAM_COMMON=param.nbsd15.h
 535                         AFS_SYSNAME="alpha_nbsd15"
 536                         ;;
 537                 i?86-*-netbsd*1.6[[M-Z]]*)
 538                         AFS_PARAM_COMMON=param.nbsd20.h
 539                         AFS_SYSNAME="i386_nbsd20"
 540                         ;;
 541                 powerpc-*-netbsd*1.6[[M-Z]]*)
 542                         AFS_PARAM_COMMON=param.nbsd20.h
 543                         AFS_SYSNAME="ppc_nbsd20"
 544                         ;;
 545                 i?86-*-netbsd*2.0*)
 546                         AFS_PARAM_COMMON=param.nbsd20.h
 547                         AFS_SYSNAME="i386_nbsd20"
 548                         ;;
 549                 amd64-*-netbsd*2.0*)
 550                         AFS_PARAM_COMMON=param.nbsd20.h
 551                         AFS_SYSNAME="amd64_nbsd20"
 552                         ;;
 553                 x86_64-*-netbsd*3.[[0-8]]*)
 554                         AFS_PARAM_COMMON=param.nbsd30.h
 555                         AFS_SYSNAME="amd64_nbsd30"
 556                         ;;
 557                 x86_64-*-netbsd*4.[[0-8]]*)
 558                         AFS_PARAM_COMMON=param.nbsd40.h
 559                         AFS_SYSNAME="amd64_nbsd40"
 560                         ;;
 561                 powerpc-*-netbsd*2.0*)
 562                         AFS_PARAM_COMMON=param.nbsd20.h
 563                         AFS_SYSNAME="ppc_nbsd20"
 564                         ;;
 565                 i?86-*-netbsd*1.6*)
 566                         AFS_PARAM_COMMON=param.nbsd16.h
 567                         AFS_SYSNAME="i386_nbsd16"
 568                         ;;
 569                 alpha-*-netbsd*1.6*)
 570                         AFS_PARAM_COMMON=param.nbsd16.h
 571                         AFS_SYSNAME="alpha_nbsd16"
 572                         ;;
 573                 powerpc-*-netbsd*1.6*)
 574                         AFS_PARAM_COMMON=param.nbsd16.h
 575                         AFS_SYSNAME="ppc_nbsd16"
 576                         ;;
 577                 i?86-*-netbsd*2.1*)
 578                         AFS_PARAM_COMMON=param.nbsd21.h
 579                         AFS_SYSNAME="i386_nbsd21"
 580                         ;;
 581                 i?86-*-netbsd*2.99*)
 582                         AFS_PARAM_COMMON=param.nbsd30.h
 583                         AFS_SYSNAME="i386_nbsd30"
 584                         ;;
 585                 i?86-*-netbsd*3.[[0-8]]*)
 586                         AFS_PARAM_COMMON=param.nbsd30.h
 587                         AFS_SYSNAME="i386_nbsd30"
 588                         ;;
 589                 i?86-*-netbsd*3.99*)
 590                         AFS_PARAM_COMMON=param.nbsd30.h
 591                         AFS_SYSNAME="i386_nbsd30"
 592                         ;;
 593                 i?86-*-netbsd*4.[[0-8]]*)
 594                         AFS_PARAM_COMMON=param.nbsd40.h
 595                         AFS_SYSNAME="i386_nbsd40"
 596                         ;;
 597                 i?86-*-netbsd*4.99*)
 598                         AFS_PARAM_COMMON=param.nbsd40.h
 599                         AFS_SYSNAME="i386_nbsd40"
 600                         ;;
 601                 hppa*-hp-hpux11.0*)
 602                         AFS_SYSNAME="hp_ux110"
 603                         ;;
 604                 hppa*-hp-hpux11.11)
 605                         AFS_SYSNAME="hp_ux11i"
 606                         ;;
 607                 hppa*-hp-hpux11.23)
 608                         AFS_SYSNAME="hp_ux1123"
 609                         ;;
 610                 ia64-hp-hpux11.22)
 611                         AFS_SYSNAME="ia64_hpux1122"
 612                         ;;
 613                 ia64-hp-hpux*)
 614                         AFS_SYSNAME="ia64_hpux1123"
 615                         ;;
 616                 hppa*-hp-hpux10*)
 617                         AFS_SYSNAME="hp_ux102"
 618                         ;;
 619                 powerpc-apple-darwin1.2*)
 620                         AFS_SYSNAME="ppc_darwin_12"
 621                         ;;
 622                 powerpc-apple-darwin1.3*)
 623                         AFS_SYSNAME="ppc_darwin_13"
 624                         ;;
 625                 powerpc-apple-darwin1.4*)
 626                         AFS_SYSNAME="ppc_darwin_14"
 627                         ;;
 628                 powerpc-apple-darwin5.1*)
 629                         AFS_SYSNAME="ppc_darwin_14"
 630                         ;;
 631                 powerpc-apple-darwin5.2*)
 632                         AFS_SYSNAME="ppc_darwin_14"
 633                         ;;
 634                 powerpc-apple-darwin5.3*)
 635                         AFS_SYSNAME="ppc_darwin_14"
 636                         ;;
 637                 powerpc-apple-darwin5.4*)
 638                         AFS_SYSNAME="ppc_darwin_14"
 639                         ;;
 640                 powerpc-apple-darwin5.5*)
 641                         AFS_SYSNAME="ppc_darwin_14"
 642                         ;;
 643                 powerpc-apple-darwin6.0*)
 644                         AFS_SYSNAME="ppc_darwin_60"
 645                         ;;
 646                 powerpc-apple-darwin6.1*)
 647                         AFS_SYSNAME="ppc_darwin_60"
 648                         ;;
 649                 powerpc-apple-darwin6.2*)
 650                         AFS_SYSNAME="ppc_darwin_60"
 651                         ;;
 652                 powerpc-apple-darwin6.3*)
 653                         AFS_SYSNAME="ppc_darwin_60"
 654                         ;;
 655                 powerpc-apple-darwin6.4*)
 656                         AFS_SYSNAME="ppc_darwin_60"
 657                         ;;
 658                 powerpc-apple-darwin6.5*)
 659                         AFS_SYSNAME="ppc_darwin_60"
 660                         ;;
 661                 powerpc-apple-darwin7.0*)
 662                         AFS_SYSNAME="ppc_darwin_70"
 663                         ;;
 664                 powerpc-apple-darwin7.1*)
 665                         AFS_SYSNAME="ppc_darwin_70"
 666                         ;;
 667                 powerpc-apple-darwin7.2*)
 668                         AFS_SYSNAME="ppc_darwin_70"
 669                         ;;
 670                 powerpc-apple-darwin7.3*)
 671                         AFS_SYSNAME="ppc_darwin_70"
 672                         ;;
 673                 powerpc-apple-darwin7.4*)
 674                         AFS_SYSNAME="ppc_darwin_70"
 675                         ;;
 676                 powerpc-apple-darwin7.5*)
 677                         AFS_SYSNAME="ppc_darwin_70"
 678                         ;;
 679                 powerpc-apple-darwin8.0*)
 680                         AFS_SYSNAME="ppc_darwin_80"
 681                         ;;
 682                 powerpc-apple-darwin8.*)
 683                         AFS_SYSNAME="ppc_darwin_80"
 684                         ;;
 685                 i386-apple-darwin8.*)
 686                         AFS_SYSNAME="x86_darwin_80"
 687                         ;;
 688                 powerpc-apple-darwin9.*)
 689                         AFS_SYSNAME="ppc_darwin_90"
 690                         ;;
 691                 i386-apple-darwin9.*)
 692                         AFS_SYSNAME="x86_darwin_90"
 693                         ;;
 694                 sparc-sun-solaris2.5*)
 695                         AFS_SYSNAME="sun4x_55"
 696                         enable_login="yes"
 697                         ;;
 698                 sparc-sun-solaris2.6)
 699                         AFS_SYSNAME="sun4x_56"
 700                         ;;
 701                 sparc-sun-solaris2.7)
 702                         AFS_SYSNAME="sun4x_57"
 703                         ;;
 704                 sparc-sun-solaris2.8)
 705                         AFS_SYSNAME="sun4x_58"
 706                         ;;
 707                 sparc-sun-solaris2.9)
 708                         AFS_SYSNAME="sun4x_59"
 709                         ;;
 710                 sparc-sun-solaris2.10)
 711                         AFS_SYSNAME="sun4x_510"
 712                         ;;
 713                 sparc-sun-solaris2.11)
 714                         AFS_SYSNAME="sun4x_511"
 715                         ;;
 716                 sparc-sun-sunos4*)
 717                         AFS_SYSNAME="sun4_413"
 718                         enable_login="yes"
 719                         ;;
 720                 i386-pc-solaris2.7)
 721                         AFS_SYSNAME="sunx86_57"
 722                         ;;
 723                 i386-pc-solaris2.8)
 724                         AFS_SYSNAME="sunx86_58"
 725                         ;;
 726                 i386-pc-solaris2.9)
 727                         AFS_SYSNAME="sunx86_59"
 728                         ;;
 729                 i386-pc-solaris2.10)
 730                         AFS_SYSNAME="sunx86_510"
 731                         ;;
 732                 i386-pc-solaris2.11)
 733                         AFS_SYSNAME="sunx86_511"
 734                         ;;
 735                 alpha*-dec-osf4.0*)
 736                         AFS_SYSNAME="alpha_dux40"
 737                         ;;
 738                 alpha*-dec-osf5.0*)
 739                         AFS_SYSNAME="alpha_dux50"
 740                         ;;
 741                 alpha*-dec-osf5.1*)
 742                         AFS_SYSNAME="alpha_dux51"
 743                         ;;
 744                 mips-sgi-irix6.5)
 745                         AFS_SYSNAME="sgi_65"
 746                         ;;
 747                 ia64-*-linux*)
 748                         AFS_SYSNAME="ia64_linuxXX"
 749                         ;;
 750                 powerpc-*-linux*)
 751                         AFS_SYSNAME="`/bin/arch`_linuxXX"
 752                         ;;
 753                 powerpc64-*-linux*)
 754                         AFS_SYSNAME="ppc64_linuxXX"
 755                         ;;
 756                 alpha*-linux*)
 757                         AFS_SYSNAME="alpha_linux_XX"
 758                         ;;
 759                 s390-*-linux*)
 760                         AFS_SYSNAME="s390_linuxXX"
 761                         ;;
 762                 s390x-*-linux*)
 763                         AFS_SYSNAME="s390x_linuxXX"
 764                         ;;
 765                 sparc-*-linux*)
 766                         AFS_SYSNAME="`/bin/arch`_linuxXX"
 767                         ;;
 768                 sparc64-*-linux*)
 769                         AFS_SYSNAME="sparc64_linuxXX"
 770                         ;;
 771                 i?86-*-linux*)
 772                         AFS_SYSNAME="i386_linuxXX"
 773                         ;;
 774                 parisc-*-linux-gnu|hppa-*-linux-gnu)
 775                         AFS_SYSNAME="parisc_linuxXX"
 776                         enable_pam="no"
 777                         ;;
 778                 power*-ibm-aix4.2*)
 779                         AFS_SYSNAME="rs_aix42"
 780                         enable_pam="no"
 781                         ;;
 782                 power*-ibm-aix4.3*)
 783                         AFS_SYSNAME="rs_aix42"
 784                         enable_pam="no"
 785                         ;;
 786                 power*-ibm-aix5.1*)
 787                         AFS_SYSNAME="rs_aix51"
 788                         enable_pam="no"
 789                         ;;
 790                 power*-ibm-aix5.2*)
 791                         AFS_SYSNAME="rs_aix52"
 792                         enable_pam="no"
 793                         ;;
 794                 power*-ibm-aix5.3*)
 795                         AFS_SYSNAME="rs_aix53"
 796                         enable_pam="no"
 797                         ;;
 798                 power*-ibm-aix6.1*)
 799                         AFS_SYSNAME="rs_aix61"
 800                         enable_pam="no"
 801                         ;;
 802                 x86_64-*-linux-gnu)
 803                         AFS_SYSNAME="amd64_linuxXX"
 804                         enable_pam="no"
 805                         ;;
 806                 *)
 807                         AC_MSG_ERROR(An AFS sysname is required)
 808                         exit 1
 809                         ;;
 810         esac
 811         case $AFS_SYSNAME in
 812                 *_linux* | *_umlinux*)
 813                         if test "x${AFS_SYSKVERS}" = "x"; then
 814                          AC_MSG_ERROR(Couldn't guess your Linux version. Please use the --with-afs-sysname option to configure an AFS sysname.)
 815                         fi
 816                         _AFS_SYSNAME=`echo $AFS_SYSNAME|sed s/XX\$/$AFS_SYSKVERS/`
 817                         AFS_SYSNAME="$_AFS_SYSNAME"
 818                         save_CPPFLAGS="$CPPFLAGS"
 819                         CPPFLAGS="-I${LINUX_KERNEL_PATH}/include $CPPFLAGS"
 820                         AC_TRY_COMPILE(
 821                          [#include <linux/autoconf.h>],
 822                          [#ifndef CONFIG_USERMODE
 823                           #error not UML
 824                           #endif],
 825                          ac_cv_linux_is_uml=yes,)
 826                         if test "${ac_cv_linux_is_uml}" = yes; then
 827                          _AFS_SYSNAME=`echo $AFS_SYSNAME|sed s/linux/umlinux/`
 828                         fi
 829                         CPPFLAGS="$save_CPPFLAGS"
 830                         AFS_SYSNAME="$_AFS_SYSNAME"
 831                         ;;
 832         esac
 833         AC_MSG_RESULT($AFS_SYSNAME)
 834 fi
 835
 836 case $AFS_SYSNAME in *_linux* | *_umlinux*)
 837
 838                 # Add (sub-) architecture-specific paths needed by conftests
 839                 case $AFS_SYSNAME  in
 840                         *_umlinux26)
 841                                 UMLINUX26_FLAGS="-I$LINUX_KERNEL_PATH/arch/um/include"
 842                                 UMLINUX26_FLAGS="$UMLINUX26_FLAGS -I$LINUX_KERNEL_PATH/arch/um/kernel/tt/include"
 843                                 UMLINUX26_FLAGS="$UMLINUX26_FLAGS -I$LINUX_KERNEL_PATH/arch/um/kernel/skas/include"
 844                                 CPPFLAGS="$CPPFLAGS $UMLINUX26_FLAGS"
 845                 esac
 846
 847                 if test "x$enable_kernel_module" = "xyes"; then
 848                  if test "x$enable_debug_kernel" = "xno"; then
 849                         LINUX_GCC_KOPTS="$LINUX_GCC_KOPTS -fomit-frame-pointer"
 850                  fi
 851                  OPENAFS_GCC_SUPPORTS_MARCH
 852                  AC_SUBST(P5PLUS_KOPTS)
 853                  OPENAFS_GCC_NEEDS_NO_STRENGTH_REDUCE
 854                  OPENAFS_GCC_NEEDS_NO_STRICT_ALIASING
 855                  OPENAFS_GCC_SUPPORTS_NO_COMMON
 856                  OPENAFS_GCC_SUPPORTS_PIPE
 857                  AC_SUBST(LINUX_GCC_KOPTS)
 858                  ifdef([OPENAFS_CONFIGURE_LIBAFS],
 859                    [LINUX_BUILD_VNODE_FROM_INODE(src/config,src/afs)],
 860                    [LINUX_BUILD_VNODE_FROM_INODE(${srcdir}/src/config,src/afs/LINUX,${srcdir}/src/afs/LINUX)]
 861                  )
 862
 863                  LINUX_KBUILD_USES_EXTRA_CFLAGS
 864                  LINUX_KERNEL_COMPILE_WORKS
 865                  LINUX_EXPORTS_FIND_TASK_BY_PID
 866                  LINUX_EXPORTS_PROC_ROOT_FS
 867                  LINUX_HAVE_CURRENT_KERNEL_TIME
 868                  LINUX_HAVE_WRITE_BEGIN_AOP
 869                  LINUX_HAVE_BDI_INIT
 870                  LINUX_KMEM_CACHE_INIT
 871                  LINUX_HAVE_GRAB_CACHE_PAGE_WRITE_BEGIN
 872                  LINUX_STRUCT_TASK_HAS_CRED
 873                  LINUX_HAVE_KMEM_CACHE_T
 874                  LINUX_KMEM_CACHE_CREATE_TAKES_DTOR
 875                  LINUX_D_PATH_TAKES_STRUCT_PATH
 876                  LINUX_NEW_EXPORT_OPS
 877                  LINUX_CONFIG_H_EXISTS
 878                  LINUX_COMPLETION_H_EXISTS
 879                  LINUX_SEMAPHORE_H_EXISTS
 880                  LINUX_EXPORTFS_H_EXISTS
 881                  LINUX_DEFINES_FOR_EACH_PROCESS
 882                  LINUX_DEFINES_PREV_TASK
 883                  LINUX_FS_STRUCT_SUPER_HAS_ALLOC_INODE
 884                  LINUX_FS_STRUCT_ADDRESS_SPACE_HAS_PAGE_LOCK
 885                  LINUX_FS_STRUCT_ADDRESS_SPACE_HAS_GFP_MASK
 886                  LINUX_FS_STRUCT_INODE_HAS_I_ALLOC_SEM
 887                  LINUX_FS_STRUCT_INODE_HAS_I_BLKBITS
 888                  LINUX_FS_STRUCT_INODE_HAS_I_BLKSIZE
 889                  LINUX_FS_STRUCT_INODE_HAS_I_TRUNCATE_SEM
 890                  LINUX_FS_STRUCT_INODE_HAS_I_DIRTY_DATA_BUFFERS
 891                  LINUX_FS_STRUCT_INODE_HAS_I_DEVICES
 892                  LINUX_FS_STRUCT_INODE_HAS_I_MMAP_SHARED
 893                  LINUX_FS_STRUCT_INODE_HAS_I_MUTEX
 894                  LINUX_FS_STRUCT_INODE_HAS_I_SB_LIST
 895                  LINUX_FS_STRUCT_INODE_HAS_I_SECURITY
 896                  LINUX_FS_STRUCT_INODE_HAS_INOTIFY_LOCK
 897                  LINUX_FS_STRUCT_INODE_HAS_INOTIFY_SEM
 898                  LINUX_INODE_SETATTR_RETURN_TYPE
 899                  LINUX_WRITE_INODE_RETURN_TYPE
 900                  LINUX_IOP_I_CREATE_TAKES_NAMEIDATA
 901                  LINUX_IOP_I_LOOKUP_TAKES_NAMEIDATA
 902                  LINUX_IOP_I_PERMISSION_TAKES_NAMEIDATA
 903                  LINUX_IOP_I_PUT_LINK_TAKES_COOKIE
 904                  LINUX_DOP_D_REVALIDATE_TAKES_NAMEIDATA
 905                  LINUX_FOP_F_FLUSH_TAKES_FL_OWNER_T
 906                  LINUX_AOP_WRITEBACK_CONTROL
 907                  LINUX_FS_STRUCT_FOP_HAS_FLOCK
 908                  LINUX_FS_STRUCT_FOP_HAS_SENDFILE
 909                  LINUX_FS_STRUCT_FOP_HAS_SPLICE
 910                  LINUX_KERNEL_LINUX_SYSCALL_H
 911                  LINUX_KERNEL_LINUX_SEQ_FILE_H
 912                  LINUX_KERNEL_POSIX_LOCK_FILE_WAIT_ARG
 913                  LINUX_KERNEL_SELINUX
 914                  LINUX_KERNEL_SOCK_CREATE
 915                  LINUX_KERNEL_PAGE_FOLLOW_LINK
 916                  LINUX_KERNEL_HLIST_UNHASHED
 917                  LINUX_KEY_TYPE_H_EXISTS
 918                  LINUX_NEED_RHCONFIG
 919                  LINUX_RECALC_SIGPENDING_ARG_TYPE
 920                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_PARENT
 921                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_REAL_PARENT
 922                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_SIG
 923                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_SIGHAND
 924                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_SIGMASK_LOCK
 925                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_RLIM
 926                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_SIGNAL_RLIM
 927                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_EXIT_STATE
 928                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_TGID
 929                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_TODO
 930                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_THREAD_INFO
 931                  LINUX_EXPORTS_TASKLIST_LOCK
 932                  LINUX_GET_SB_HAS_STRUCT_VFSMOUNT
 933                  LINUX_STATFS_TAKES_DENTRY
 934                  LINUX_FREEZER_H_EXISTS
 935                  LINUX_HAVE_SVC_ADDR_IN
 936                  if test "x$ac_cv_linux_freezer_h_exists" = "xyes" ; then
 937                   AC_DEFINE(FREEZER_H_EXISTS, 1, [define if you have linux/freezer.h])
 938                  fi
 939                  LINUX_REFRIGERATOR
 940                  LINUX_LINUX_KEYRING_SUPPORT
 941                  LINUX_KEY_ALLOC_NEEDS_STRUCT_TASK
 942                  LINUX_KEY_ALLOC_NEEDS_CRED
 943                  LINUX_DO_SYNC_READ
 944                  LINUX_GENERIC_FILE_AIO_READ
 945                  LINUX_INIT_WORK_HAS_DATA
 946                  LINUX_REGISTER_SYSCTL_TABLE_NOFLAG
 947                  LINUX_SYSCTL_TABLE_CHECKING
 948                  LINUX_HAVE_IGET
 949                  LINUX_HAVE_I_SIZE_READ
 950                  LINUX_HAVE_D_ALLOC_ANON
 951                  if test "x$ac_cv_linux_d_alloc_anon" = "xno"; then
 952                    AC_DEFINE([AFS_NONFSTRANS], 1, [define to disable the nfs translator])
 953                  fi
 954                  LINUX_FS_STRUCT_NAMEIDATA_HAS_PATH
 955                  LINUX_EXPORTS_INIT_MM
 956                  LINUX_EXPORTS_SYS_CHDIR
 957                  LINUX_EXPORTS_SYS_CLOSE
 958                  LINUX_EXPORTS_SYS_OPEN
 959                  LINUX_EXPORTS_SYS_WAIT4
 960                  LINUX_EXPORTS_RCU_READ_LOCK
 961                  if test "x$with_linux_kernel_packaging" = "xno" ; then
 962                    LINUX_WHICH_MODULES
 963                  else
 964                    AC_SUBST(MPS,'SP')
 965                  fi
 966                  if test "x$ac_cv_linux_config_modversions" = "xno" -o $AFS_SYSKVERS -ge 26; then
 967                    AC_MSG_WARN([Cannot determine sys_call_table status. assuming it isn't exported])
 968                    ac_cv_linux_exports_sys_call_table=no
 969                    if test -f "$LINUX_KERNEL_PATH/include/asm/ia32_unistd.h"; then
 970                      ac_cv_linux_exports_ia32_sys_call_table=yes
 971                    fi
 972                  else
 973                    LINUX_EXPORTS_KALLSYMS_ADDRESS
 974                    LINUX_EXPORTS_KALLSYMS_SYMBOL
 975                    LINUX_EXPORTS_SYS_CALL_TABLE
 976                    LINUX_EXPORTS_IA32_SYS_CALL_TABLE
 977                    if test "x$ac_cv_linux_exports_sys_call_table" = "xno"; then
 978                          linux_syscall_method=none
 979                          if test "x$ac_cv_linux_exports_init_mm" = "xyes"; then
 980                             linux_syscall_method=scan
 981                             if test "x$ac_cv_linux_exports_kallsyms_address" = "xyes"; then
 982                                linux_syscall_method=scan_with_kallsyms_address
 983                             fi
 984                          fi
 985                          if test "x$ac_cv_linux_exports_kallsyms_symbol" = "xyes"; then
 986                             linux_syscall_method=kallsyms_symbol
 987                          fi
 988                          if test "x$linux_syscall_method" = "xnone"; then
 989                             AC_MSG_WARN([no available sys_call_table access method -- guessing scan])
 990                             linux_syscall_method=scan
 991                          fi
 992                    fi
 993                  fi
 994                  if test -f "$LINUX_KERNEL_PATH/include/linux/in_systm.h"; then
 995                   AC_DEFINE(HAVE_IN_SYSTM_H, 1, [define if you have in_systm.h header file])
 996                  fi
 997                  if test -f "$LINUX_KERNEL_PATH/include/linux/mm_inline.h"; then
 998                   AC_DEFINE(HAVE_MM_INLINE_H, 1, [define if you have mm_inline.h header file])
 999                  fi
1000                  if test -f "$LINUX_KERNEL_PATH/include/linux/in_systm.h"; then
1001                   AC_DEFINE(HAVE_IN_SYSTM_H, 1, [define if you have in_systm.h header file])
1002                  fi
1003                  if test "x$ac_cv_linux_exports_sys_chdir" = "xyes" ; then
1004                   AC_DEFINE(EXPORTED_SYS_CHDIR, 1, [define if your linux kernel exports sys_chdir])
1005                  fi
1006                  if test "x$ac_cv_linux_exports_sys_open" = "xyes" ; then
1007                   AC_DEFINE(EXPORTED_SYS_OPEN, 1, [define if your linux kernel exports sys_open])
1008                  fi
1009                  if test "x$ac_cv_linux_exports_sys_close" = "xyes" ; then
1010                   AC_DEFINE(EXPORTED_SYS_CLOSE, 1, [define if your linux kernel exports sys_close])
1011                  fi
1012                  if test "x$ac_cv_linux_exports_sys_wait4" = "xyes" ; then
1013                   AC_DEFINE(EXPORTED_SYS_WAIT4, 1, [define if your linux kernel exports sys_wait4])
1014                  fi
1015                  if test "x$ac_cv_linux_exports_sys_call_table" = "xyes"; then
1016                   AC_DEFINE(EXPORTED_SYS_CALL_TABLE, 1, [define if your linux kernel exports sys_call_table])
1017                  fi
1018                  if test "x$ac_cv_linux_exports_ia32_sys_call_table" = "xyes"; then
1019                   AC_DEFINE(EXPORTED_IA32_SYS_CALL_TABLE, 1, [define if your linux kernel exports ia32_sys_call_table])
1020                  fi
1021                  if test "x$ac_cv_linux_exports_kallsyms_symbol" = "xyes"; then
1022                   AC_DEFINE(EXPORTED_KALLSYMS_SYMBOL, 1, [define if your linux kernel exports kallsyms])
1023                  fi
1024                  if test "x$ac_cv_linux_exports_kallsyms_address" = "xyes"; then
1025                   AC_DEFINE(EXPORTED_KALLSYMS_ADDRESS, 1, [define if your linux kernel exports kallsyms address])
1026                  fi
1027                  if test "x$ac_cv_linux_completion_h_exists" = "xyes" ; then
1028                   AC_DEFINE(COMPLETION_H_EXISTS, 1, [define if completion_h exists])
1029                  fi
1030                  if test "x$ac_cv_linux_config_h_exists" = "xyes" ; then
1031                   AC_DEFINE(CONFIG_H_EXISTS, 1, [define if config.h exists])
1032                  fi
1033                  if test "x$ac_cv_linux_exportfs_h_exists" = "xyes"; then
1034                   AC_DEFINE(EXPORTFS_H_EXISTS, 1, [define if linux/exportfs.h exists])
1035                  fi
1036                  if test "x$ac_cv_linux_key_type_h_exists" = "xyes" ; then
1037                   AC_DEFINE(KEY_TYPE_H_EXISTS, 1, [define if key-type.h exists])
1038                  fi
1039                  if test "x$ac_cv_linux_defines_for_each_process" = "xyes" ; then
1040                   AC_DEFINE(DEFINED_FOR_EACH_PROCESS, 1, [define if for_each_process defined])
1041                  fi
1042                  if test "x$ac_cv_linux_defines_prev_task" = "xyes" ; then
1043                   AC_DEFINE(DEFINED_PREV_TASK, 1, [define if prev_task defined])
1044                  fi
1045                  if test "x$ac_cv_linux_func_inode_setattr_returns_int" = "xyes" ; then
1046                   AC_DEFINE(INODE_SETATTR_NOT_VOID, 1, [define if your setattr return return non-void])
1047                  fi
1048                  if test "x$ac_cv_linux_func_write_inode_returns_int" = "xyes" ; then
1049                   AC_DEFINE(WRITE_INODE_NOT_VOID, 1, [define if your sops.write_inode returns non-void])
1050                  fi
1051                  if test "x$ac_cv_linux_fs_struct_super_has_alloc_inode" = "xyes" ; then
1052                   AC_DEFINE(STRUCT_SUPER_HAS_ALLOC_INODE, 1, [define if your struct super_operations has alloc_inode])
1053                  fi
1054                  if test "x$ac_cv_linux_fs_struct_address_space_has_page_lock" = "xyes"; then
1055                   AC_DEFINE(STRUCT_ADDRESS_SPACE_HAS_PAGE_LOCK, 1, [define if your struct address_space has page_lock])
1056                  fi
1057                  if test "x$ac_cv_linux_fs_struct_address_space_has_gfp_mask" = "xyes"; then
1058                   AC_DEFINE(STRUCT_ADDRESS_SPACE_HAS_GFP_MASK, 1, [define if your struct address_space has gfp_mask])
1059                  fi
1060                  if test "x$ac_cv_linux_fs_struct_inode_has_i_truncate_sem" = "xyes"; then
1061                   AC_DEFINE(STRUCT_INODE_HAS_I_TRUNCATE_SEM, 1, [define if your struct inode has truncate_sem])
1062                  fi
1063                  if test "x$ac_cv_linux_fs_struct_inode_has_i_alloc_sem" = "xyes"; then
1064                   AC_DEFINE(STRUCT_INODE_HAS_I_ALLOC_SEM, 1, [define if your struct inode has alloc_sem])
1065                  fi
1066                  if test "x$ac_cv_linux_fs_struct_inode_has_i_blksize" = "xyes"; then
1067                   AC_DEFINE(STRUCT_INODE_HAS_I_BLKSIZE, 1, [define if your struct inode has i_blksize])
1068                  fi
1069                  if test "x$ac_cv_linux_fs_struct_inode_has_i_devices" = "xyes"; then
1070                   AC_DEFINE(STRUCT_INODE_HAS_I_DEVICES, 1, [define if you struct inode has i_devices])
1071                  fi
1072                  if test "x$ac_cv_linux_fs_struct_inode_has_i_security" = "xyes"; then
1073                   AC_DEFINE(STRUCT_INODE_HAS_I_SECURITY, 1, [define if you struct inode has i_security])
1074                  fi
1075                  if test "x$ac_cv_linux_fs_struct_inode_has_i_mutex" = "xyes"; then
1076                   AC_DEFINE(STRUCT_INODE_HAS_I_MUTEX, 1, [define if you struct inode has i_mutex])
1077                  fi
1078                  if test "x$ac_cv_linux_fs_struct_inode_has_i_sb_list" = "xyes"; then
1079                   AC_DEFINE(STRUCT_INODE_HAS_I_SB_LIST, 1, [define if you struct inode has i_sb_list])
1080                  fi
1081                  if test "x$ac_cv_linux_fs_struct_inode_has_i_dirty_data_buffers" = "xyes"; then
1082                   AC_DEFINE(STRUCT_INODE_HAS_I_DIRTY_DATA_BUFFERS, 1, [define if your struct inode has data_buffers])
1083                  fi
1084                  if test "x$ac_cv_linux_fs_struct_inode_has_inotify_lock" = "xyes"; then
1085                   AC_DEFINE(STRUCT_INODE_HAS_INOTIFY_LOCK, 1, [define if your struct inode has inotify_lock])
1086                  fi
1087                  if test "x$ac_cv_linux_fs_struct_inode_has_inotify_sem" = "xyes"; then
1088                   AC_DEFINE(STRUCT_INODE_HAS_INOTIFY_SEM, 1, [define if your struct inode has inotify_sem])
1089                  fi
1090                  if test "x$ac_cv_linux_func_recalc_sigpending_takes_void" = "xyes"; then
1091                   AC_DEFINE(RECALC_SIGPENDING_TAKES_VOID, 1, [define if your recalc_sigpending takes void])
1092                  fi
1093                  if test "x$ac_cv_linux_kernel_posix_lock_file_wait_arg" = "xyes" ; then
1094                   AC_DEFINE(POSIX_LOCK_FILE_WAIT_ARG, 1, [define if your linux kernel uses 3 arguments for posix_lock_file])
1095                  fi
1096                  if test "x$ac_cv_linux_kernel_is_selinux" = "xyes" ; then
1097                   AC_DEFINE(LINUX_KERNEL_IS_SELINUX, 1, [define if your linux kernel uses SELinux features])
1098                  fi
1099                  if test "x$ac_cv_linux_kernel_sock_create_v" = "xyes" ; then
1100                   AC_DEFINE(LINUX_KERNEL_SOCK_CREATE_V, 1, [define if your linux kernel uses 5 arguments for sock_create])
1101                  fi
1102                  if test "x$ac_cv_linux_kernel_page_follow_link" = "xyes" ; then
1103                   AC_DEFINE(HAVE_KERNEL_PAGE_FOLLOW_LINK, 1, [define if your linux kernel provides page_follow_link])
1104                  fi
1105                  if test "x$ac_cv_linux_kernel_hlist_unhashed" = "xyes" ; then
1106                   AC_DEFINE(HAVE_KERNEL_HLIST_UNHASHED, 1, [define if your linux kernel provides hlist_unhashed])
1107                  fi
1108                  if test "x$ac_linux_syscall" = "xyes" ; then
1109                   AC_DEFINE(HAVE_KERNEL_LINUX_SYSCALL_H, 1, [define if your linux kernel has linux/syscall.h])
1110                  fi
1111                  if test "x$ac_linux_seq_file" = "xyes" ; then
1112                   AC_DEFINE(HAVE_KERNEL_LINUX_SEQ_FILE_H, 1, [define if your linux kernel has linux/seq_file.h])
1113                  fi
1114                  if test "x$ac_cv_linux_sched_struct_task_struct_has_parent" = "xyes"; then
1115                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_PARENT, 1, [define if your struct task_struct has parent])
1116                  fi
1117                  if test "x$ac_cv_linux_sched_struct_task_struct_has_real_parent" = "xyes"; then
1118                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_REAL_PARENT, 1, [define if your struct task_struct has real_parent])
1119                  fi
1120                  if test "x$ac_cv_linux_sched_struct_task_struct_has_sigmask_lock" = "xyes"; then
1121                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_SIGMASK_LOCK, 1, [define if your struct task_struct has sigmask_lock])
1122                  fi
1123                  if test "x$ac_cv_linux_sched_struct_task_struct_has_sighand" = "xyes"; then
1124                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_SIGHAND, 1, [define if your struct task_struct has sighand])
1125                  fi
1126                  if test "x$ac_cv_linux_sched_struct_task_struct_has_sig" = "xyes"; then
1127                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_SIG, 1, [define if your struct task_struct has sig])
1128                  fi
1129                  if test "x$ac_cv_linux_sched_struct_task_struct_has_rlim" = "xyes"; then
1130                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_RLIM, 1, [define if your struct task_struct has rlim])
1131                  fi
1132                  if test "x$ac_cv_linux_sched_struct_task_struct_has_signal_rlim" = "xyes"; then
1133                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_SIGNAL_RLIM, 1, [define if your struct task_struct has signal->rlim])
1134                  fi
1135                  if test "x$ac_cv_linux_sched_struct_task_struct_has_exit_state" = "xyes"; then
1136                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_EXIT_STATE, 1, [define if your struct task_struct has exit_state])
1137                  fi
1138                  if test "x$ac_cv_linux_sched_struct_task_struct_has_tgid" = "xyes"; then
1139                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_TGID, 1, [define if your struct task_struct has tgid])
1140                  fi
1141                  if test "x$ac_cv_linux_sched_struct_task_struct_has_todo" = "xyes"; then
1142                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_TODO, 1, [define if your struct task_struct has todo])
1143                  fi
1144                  if test "x$ac_cv_linux_sched_struct_task_struct_has_thread_info" = "xyes"; then
1145                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_THREAD_INFO, 1, [define if your struct task_struct has thread_info])
1146                  fi
1147                  if test "x$ac_cv_linux_get_sb_has_struct_vfsmount" = "xyes"; then
1148                   AC_DEFINE(GET_SB_HAS_STRUCT_VFSMOUNT, 1, [define if your get_sb_nodev needs a struct vfsmount argument])
1149                  fi
1150                  if test "x$ac_cv_linux_statfs_takes_dentry" = "xyes"; then
1151                   AC_DEFINE(STATFS_TAKES_DENTRY, 1, [define if your statfs takes a dentry argument])
1152                  fi
1153                  if test "x$ac_cv_linux_func_a_writepage_takes_writeback_control" = "xyes" ; then
1154                   AC_DEFINE(AOP_WRITEPAGE_TAKES_WRITEBACK_CONTROL, 1, [define if your aops.writepage takes a struct writeback_control argument])
1155                  fi
1156                  if test "x$ac_cv_linux_func_refrigerator_takes_pf_freeze" = "xyes" ; then
1157                   AC_DEFINE(LINUX_REFRIGERATOR_TAKES_PF_FREEZE, 1, [define if your refrigerator takes PF_FREEZE])
1158                  fi
1159                  if test "x$ac_cv_linux_func_i_create_takes_nameidata" = "xyes" ; then
1160                   AC_DEFINE(IOP_CREATE_TAKES_NAMEIDATA, 1, [define if your iops.create takes a nameidata argument])
1161                  fi
1162                  if test "x$ac_cv_linux_func_f_flush_takes_fl_owner_t" = "xyes" ; then
1163                   AC_DEFINE(FOP_FLUSH_TAKES_FL_OWNER_T, 1, [define if your fops.flush takes an fl_owner_t argument])
1164                  fi
1165                  if test "x$ac_cv_linux_func_i_lookup_takes_nameidata" = "xyes" ; then
1166                   AC_DEFINE(IOP_LOOKUP_TAKES_NAMEIDATA, 1, [define if your iops.lookup takes a nameidata argument])
1167                  fi
1168                  if test "x$ac_cv_linux_func_i_permission_takes_nameidata" = "xyes" ; then
1169                   AC_DEFINE(IOP_PERMISSION_TAKES_NAMEIDATA, 1, [define if your iops.permission takes a nameidata argument])
1170                  fi
1171                  if test "x$ac_cv_linux_func_d_revalidate_takes_nameidata" = "xyes" ; then
1172                   AC_DEFINE(DOP_REVALIDATE_TAKES_NAMEIDATA, 1, [define if your dops.d_revalidate takes a nameidata argument])
1173                  fi
1174                  if test "x$ac_cv_linux_init_work_has_data" = "xyes" ; then
1175                   AC_DEFINE(INIT_WORK_HAS_DATA, 1, [define if INIT_WORK takes a data (3rd) argument])
1176                  fi
1177                  if test "x$ac_cv_linux_fs_struct_fop_has_flock" = "xyes" ; then
1178                   AC_DEFINE(STRUCT_FILE_OPERATIONS_HAS_FLOCK, 1, [define if your struct file_operations has flock])
1179                  fi
1180                  if test "x$ac_cv_linux_fs_struct_fop_has_sendfile" = "xyes" ; then
1181                   AC_DEFINE(STRUCT_FILE_OPERATIONS_HAS_SENDFILE, 1, [define if your struct file_operations has sendfile])
1182                  fi
1183                  if test "x$ac_cv_linux_fs_struct_fop_has_splice" = "xyes" ; then
1184                   AC_DEFINE(STRUCT_FILE_OPERATIONS_HAS_SPLICE, 1, [define if your struct file_operations has splice_write and splice_read])
1185                  fi
1186                  if test "x$ac_cv_linux_register_sysctl_table_noflag" = "xyes" ; then
1187                   AC_DEFINE(REGISTER_SYSCTL_TABLE_NOFLAG, 1, [define if register_sysctl_table has no insert_at head flag])
1188                  fi
1189                  if test "x$ac_cv_linux_sysctl_table_checking" = "xyes" ; then
1190                   AC_DEFINE(SYSCTL_TABLE_CHECKING, 1, [define if your kernel has sysctl table checking])
1191                  fi
1192                  if test "x$ac_cv_linux_have_iget" = "xyes" ; then
1193                   AC_DEFINE(HAVE_IGET, 1, [define if your kernel has iget])
1194                  fi
1195                  if test "x$ac_cv_linux_struct_nameidata_has_path" = "xyes" ; then
1196                   AC_DEFINE(STRUCT_NAMEIDATA_HAS_PATH, 1, [define if your struct nameidata has path])
1197                  fi
1198                  if test "x$ac_cv_linux_exports_init_mm" = "xyes" ; then
1199                   AC_DEFINE(EXPORTED_INIT_MM, 1, [define if your kernel exports init_mm])
1200                  fi
1201                  if test "x$ac_cv_linux_exports_tasklist_lock" = "xyes" ; then
1202                   AC_DEFINE(EXPORTED_TASKLIST_LOCK, 1, [define if tasklist_lock exported])
1203                  fi
1204                  if test "x$ac_cv_linux_have_kmem_cache_t" = "xyes" ; then
1205                   AC_DEFINE(HAVE_KMEM_CACHE_T, 1, [define if kmem_cache_t exists])
1206                  fi
1207                  if test "x$ac_cv_linux_kmem_cache_init" = "xyes" ; then
1208                   AC_DEFINE(KMEM_CACHE_INIT, 1, [define for new kmem_cache init function parameters])
1209                  fi
1210                  if test "x$ac_cv_linux_have_current_kernel_time" = "xyes" ; then
1211                   AC_DEFINE(HAVE_CURRENT_KERNEL_TIME, 1, [define if current_kernel_time() exists])
1212                  fi
1213                  if test "x$ac_cv_linux_have_kmem_cache_t" = "xyes" ; then
1214                   AC_DEFINE(KMEM_CACHE_TAKES_DTOR, 1, [define if kmem_cache_create takes a destructor argument])
1215                  fi
1216                  if test "$enable_linux_fh" = "yes"; then
1217                   AC_DEFINE(LINUX_USE_FH, 1, [define if you want to open cache files by file handle instead of inode numbers])
1218                  fi
1219                  if test "x$ac_cv_linux_kernel_page_follow_link" = "xyes" -o "x$ac_cv_linux_func_i_put_link_takes_cookie" = "xyes"; then
1220                   AC_DEFINE(USABLE_KERNEL_PAGE_SYMLINK_CACHE, 1, [define if your kernel has a usable symlink cache API])
1221                  else
1222                   AC_MSG_WARN([your kernel does not have a usable symlink cache API])
1223                  fi
1224                  if test "x$ac_cv_linux_have_svc_addr_in" = "xyes"; then
1225                   AC_DEFINE(HAVE_SVC_ADDR_IN, 1, [define if svc_add_in exists])
1226                  fi
1227                 :
1228                 fi
1229 esac
1230
1231 case $AFS_SYSNAME in
1232         *_darwin*)
1233                 DARWIN_PLIST=src/libafs/afs.${AFS_SYSNAME}.plist
1234                 DARWIN_INFOFILE=afs.${AFS_SYSNAME}.plist
1235                 dnl the test below fails on darwin, even if the CPPFLAGS below
1236                 dnl are added. the headers from Kernel.framework must be used
1237                 dnl when KERNEL is defined.
1238
1239                 dnl really, such a thing isn't guaranteed to work on any
1240                 dnl platform until the kernel cflags from MakefileProto are
1241                 dnl known to configure
1242                 AC_DEFINE(HAVE_STRUCT_BUF, 1, [define if you have a struct buf])
1243                 ;;
1244         *)
1245 AC_MSG_CHECKING(for definition of struct buf)
1246 dnl save_CPPFLAGS="$CPPFLAGS"
1247 dnl CPPFLAGS="$CPPFLAGS -DKERNEL -D_KERNEL -D__KERNEL -D__KERNEL__"
1248 AC_CACHE_VAL(ac_cv_have_struct_buf, [
1249         ac_cv_have_struct_buf=no
1250         AC_TRY_COMPILE(
1251                 [#include <sys/buf.h>],
1252                 [struct buf x;
1253                 printf("%d\n", sizeof(x));],
1254                 ac_cv_have_struct_buf=yes,)
1255         ]
1256 )
1257 dnl CPPFLAGS="$save_CPPFLAGS"
1258 AC_MSG_RESULT($ac_cv_have_struct_buf)
1259 if test "$ac_cv_have_struct_buf" = yes; then
1260         AC_DEFINE(HAVE_STRUCT_BUF, 1, [define if you have a struct buf])
1261 fi
1262 ;;
1263 esac
1264
1265
1266 AC_CACHE_VAL(ac_cv_sockaddr_len,
1267 [
1268 AC_MSG_CHECKING([if struct sockaddr has sa_len field])
1269 AC_TRY_COMPILE( [#include <sys/types.h>
1270 #include <sys/socket.h>],
1271 [struct sockaddr *a;
1272 a->sa_len=0;], ac_cv_sockaddr_len=yes, ac_cv_sockaddr_len=no)
1273 AC_MSG_RESULT($ac_cv_sockaddr_len)])
1274 if test "$ac_cv_sockaddr_len" = "yes"; then
1275    AC_DEFINE(STRUCT_SOCKADDR_HAS_SA_LEN, 1, [define if you struct sockaddr sa_len])
1276 fi
1277 if test "x${MKAFS_OSTYPE}" = "xIRIX"; then
1278         echo Skipping library tests because they confuse Irix.
1279 else
1280   AC_CHECK_FUNCS(socket)
1281
1282   if test "$ac_cv_func_socket" = no; then
1283     for lib in socket inet; do
1284         if test "$HAVE_SOCKET" != 1; then
1285                 AC_CHECK_LIB(${lib}, socket,LIBS="$LIBS -l$lib";HAVE_SOCKET=1;AC_DEFINE(HAVE_SOCKET, 1, [define if you have socket]))
1286         fi
1287     done
1288   fi
1289
1290   AC_CHECK_FUNCS(connect)
1291
1292   if test "$ac_cv_func_connect" = no; then
1293     for lib in nsl; do
1294         if test "$HAVE_CONNECT" != 1; then
1295                 AC_CHECK_LIB(${lib}, connect,LIBS="$LIBS -l$lib";HAVE_CONNECT=1;AC_DEFINE(HAVE_CONNECT, 1, [define if you have connect]))
1296         fi
1297     done
1298   fi
1299
1300   AC_CHECK_FUNCS(gethostbyname)
1301   if test "$ac_cv_func_gethostbyname" = no; then
1302         for lib in dns nsl resolv; do
1303           if test "$HAVE_GETHOSTBYNAME" != 1; then
1304             AC_CHECK_LIB(${lib}, gethostbyname, LIBS="$LIBS -l$lib";HAVE_GETHOSTBYNAME=1;AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [define if you have gethostbyname]))
1305           fi
1306         done
1307   fi
1308
1309   dnl darwin wants it, aix hates it
1310   AC_MSG_CHECKING(for the useability of arpa/nameser_compat.h)
1311   AC_TRY_COMPILE([
1312   #include <stdlib.h>
1313   #include <stdio.h>
1314   #include <sys/types.h>
1315   #include <sys/socket.h>
1316   #include <netinet/in.h>
1317   #include <arpa/inet.h>
1318   #include <arpa/nameser.h>
1319   #include <arpa/nameser_compat.h>
1320   #include <resolv.h>
1321   ], [static int i; i = 0;],
1322   [AC_MSG_RESULT(yes)
1323    AC_DEFINE(HAVE_ARPA_NAMESER_COMPAT_H, 1, [define if arpa/nameser_compat.h exists])],
1324   [AC_MSG_RESULT(no)
1325    ])
1326
1327   openafs_save_libs="$LIBS"
1328   AC_MSG_CHECKING([for res_search])
1329   AC_FUNC_RES_SEARCH
1330
1331   if test "$ac_cv_func_res_search" = no; then
1332       for lib in dns nsl resolv; do
1333         if test "$ac_cv_func_res_search" != yes; then
1334           LIBS="-l$lib $LIBS"
1335           AC_FUNC_RES_SEARCH
1336           LIBS="$openafs_save_libs"
1337         fi
1338       done
1339       if test "$ac_cv_func_res_search" = yes; then
1340         LIB_res_search="-l$lib"
1341         AC_DEFINE(HAVE_RES_SEARCH, 1, [])
1342         AC_MSG_RESULT([yes, in lib$lib])
1343       else
1344         AC_MSG_RESULT(no)
1345       fi
1346   else
1347     AC_DEFINE(HAVE_RES_SEARCH, 1, [])
1348     AC_MSG_RESULT(yes)
1349   fi
1350
1351 fi
1352
1353 AC_CACHE_VAL(ac_cv_setsockopt_iprecverr,
1354 [
1355 AC_MSG_CHECKING([for setsockopt(, SOL_IP, IP_RECVERR)])
1356 AC_TRY_COMPILE( [#include <sys/types.h>
1357 #include <sys/socket.h>
1358 #include <netinet/in.h>],
1359 [int on=1;
1360 setsockopt(0, SOL_IP, IP_RECVERR, &on, sizeof(on));], ac_cv_setsockopt_iprecverr=yes, ac_cv_setsockopt_iprecverr=no)
1361 AC_MSG_RESULT($ac_cv_setsockopt_iprecverr)])
1362 if test "$ac_cv_setsockopt_iprecverr" = "yes"; then
1363    AC_DEFINE(ADAPT_PMTU_RECVERR, 1, [define if asynchronous socket errors can be received])
1364 fi
1365
1366 PTHREAD_LIBS=error
1367 if test "x$MKAFS_OSTYPE" = OBSD; then
1368         PTHREAD_LIBS="-pthread"
1369 fi
1370 if test "x$PTHREAD_LIBS" = xerror; then
1371         AC_CHECK_LIB(pthread, pthread_attr_init,
1372                 PTHREAD_LIBS="-lpthread")
1373 fi
1374 if test "x$PTHREAD_LIBS" = xerror; then
1375         AC_CHECK_LIB(pthreads, pthread_attr_init,
1376                 PTHREAD_LIBS="-lpthreads")
1377 fi
1378 if test "x$PTHREAD_LIBS" = xerror; then
1379         AC_CHECK_LIB(c_r, pthread_attr_init,
1380                 PTHREAD_LIBS="-lc_r")
1381 fi
1382 if test "x$PTHREAD_LIBS" = xerror; then
1383         AC_CHECK_FUNC(pthread_attr_init, PTHREAD_LIBS="")
1384 fi
1385 if test "x$PTHREAD_LIBS" = xerror; then
1386         # pthread_attr_init is a macro under HPUX 11.0 and 11.11
1387         AC_CHECK_LIB(pthread, pthread_attr_destroy,
1388                 PTHREAD_LIBS="-lpthread")
1389 fi
1390 if test "x$PTHREAD_LIBS" = xerror; then
1391         AC_MSG_WARN(*** Unable to locate working posix thread library ***)
1392 fi
1393 AC_SUBST(PTHREAD_LIBS)
1394
1395 WITH_OBSOLETE=NO
1396 if test "$enable_obsolete" = "yes"; then
1397         WITH_OBSOLETE=YES
1398 fi
1399
1400 HOST_CPU="$host_cpu"
1401
1402 if test "x$with_bsd_kernel_headers" != "x"; then
1403         BSD_KERNEL_PATH="$with_bsd_kernel_headers"
1404 else
1405         BSD_KERNEL_PATH="/usr/src/sys"
1406 fi
1407
1408 if test "x$with_bsd_kernel_build" != "x"; then
1409         BSD_KERNEL_BUILD="$with_bsd_kernel_build"
1410 else
1411         case $AFS_SYSNAME in
1412                 *_fbsd_4?)
1413                         BSD_KERNEL_BUILD="${BSD_KERNEL_PATH}/compile/GENERIC"
1414                         ;;
1415                 *_fbsd_*)
1416                         BSD_KERNEL_BUILD="${BSD_KERNEL_PATH}/${HOST_CPU}/compile/GENERIC"
1417                         ;;
1418         esac
1419 fi
1420
1421 # Fast restart
1422 if test "$enable_supergroups" = "yes"; then
1423         AC_DEFINE(SUPERGROUPS, 1, [define if you want to have support for nested pts groups])
1424 fi
1425
1426 if test "$enable_fast_restart" = "yes"; then
1427         AC_DEFINE(FAST_RESTART, 1, [define if you want to have fast restart])
1428 fi
1429
1430 if test "$enable_bitmap_later" = "yes"; then
1431         AC_DEFINE(BITMAP_LATER, 1, [define if you want to salvager to check bitmasks later])
1432 fi
1433
1434 if test "$enable_demand_attach_fs" = "yes"; then
1435         AC_DEFINE(DEMAND_ATTACH_ENABLE, 1, [define if you want the demand attach fileserver])
1436         DEMAND_ATTACH="yes"
1437 else
1438         DEMAND_ATTACH="no"
1439 fi
1440 AC_SUBST(DEMAND_ATTACH)
1441
1442 if test "$enable_disconnected" = "yes"; then
1443         AC_DEFINE(AFS_DISCON_ENV, 1, [define if you want support for disconnected operation])
1444 fi
1445
1446 if test "$enable_unix_sockets" = "yes"; then
1447         AC_DEFINE(USE_UNIX_SOCKETS, 1, [define if you want to use UNIX sockets for fssync.])
1448         USE_UNIX_SOCKETS="yes"
1449 else
1450         USE_UNIX_SOCKETS="no"
1451 fi
1452 AC_SUBST(USE_UNIX_SOCKETS)
1453
1454 if test "$enable_fast_restart" = "yes" &&
1455    test "$enable_demand_attach_fs" = "yes" ; then
1456         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.])
1457         exit 1
1458 fi
1459
1460 if test "$enable_full_vos_listvol_switch" = "yes"; then
1461         AC_DEFINE(FULL_LISTVOL_SWITCH, 1, [define if you want to want listvol switch])
1462 fi
1463
1464 if test "$enable_icmp_pmtu_discovery" = "yes"; then
1465    if test "$ac_cv_setsockopt_iprecverr" = "yes"; then
1466         AC_DEFINE(ADAPT_PMTU, 1, [define if you want to decode icmp unreachable packets to discover path mtu])
1467    fi
1468 fi
1469
1470 if test "$enable_bos_restricted_mode" = "yes"; then
1471         AC_DEFINE(BOS_RESTRICTED_MODE, 1, [define if you want to want bos restricted mode])
1472 fi
1473
1474 if test "$enable_bos_new_config" = "yes"; then
1475         AC_DEFINE(BOS_NEW_CONFIG, 1, [define if you want to enable automatic renaming of BosConfig.new to BosConfig at startup])
1476 fi
1477
1478 if test "$enable_largefile_fileserver" = "yes"; then
1479         AC_DEFINE(AFS_LARGEFILE_ENV, 1, [define if you want large file fileserver])
1480 fi
1481
1482 if test "$enable_cache_bypass" = "yes"; then
1483         AC_DEFINE(AFS_CACHE_BYPASS, 1, [define to activate cache bypassing Unix client])
1484 fi
1485
1486 if test "$enable_namei_fileserver" = "yes"; then
1487         AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1488 else
1489         if test "$enable_namei_fileserver" = "default"; then
1490                 case $host in
1491                         *-solaris2.10*)
1492                                 AC_MSG_WARN(Some Solaris 10 versions are not safe with the inode fileserver. Forcing namei. Override with --disable-namei-fileserver)
1493                                 AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1494                                 ;;
1495                         *-solaris2.11*)
1496                                 AC_MSG_WARN(Solaris 11 versions are not safe with the inode fileserver. Forcing namei. Override with --disable-namei-fileserver)
1497                                 AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1498                                 ;;
1499                         *)
1500                                 ;;
1501                 esac
1502         fi
1503 fi
1504
1505 if test "$enable_afsdb" = "yes"; then
1506         LIB_AFSDB="$LIB_res_search"
1507         AC_DEFINE(AFS_AFSDB_ENV, 1, [define if you want to want search afsdb rr])
1508 fi
1509
1510 dnl check for tivoli
1511 AC_MSG_CHECKING(for tivoli tsm butc support)
1512 XBSA_CFLAGS=""
1513 if test "$enable_tivoli_tsm" = "yes"; then
1514         XBSADIR1=/usr/tivoli/tsm/client/api/bin/xopen
1515         XBSADIR2=/opt/tivoli/tsm/client/api/bin/xopen
1516         XBSADIR3=/usr/tivoli/tsm/client/api/bin/sample
1517         XBSADIR4=/opt/tivoli/tsm/client/api/bin/sample
1518
1519         if test -r "$XBSADIR3/dsmapifp.h"; then
1520                 XBSA_CFLAGS="-Dxbsa -DNEW_XBSA -I$XBSADIR3"
1521                 XBSA_XLIBS="-ldl"
1522                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1523         elif test -r "$XBSADIR4/dsmapifp.h"; then
1524                 XBSA_CFLAGS="-Dxbsa -DNEW_XBSA -I$XBSADIR4"
1525                 XBSA_XLIBS="-ldl"
1526                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1527         elif test -r "$XBSADIR1/xbsa.h"; then
1528                 XBSA_CFLAGS="-Dxbsa -I$XBSADIR1"
1529                 XBSA_XLIBS=""
1530                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1531         elif test -r "$XBSADIR2/xbsa.h"; then
1532                 XBSA_CFLAGS="-Dxbsa -I$XBSADIR2"
1533                 XBSA_XLIBS=""
1534                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1535         else
1536                 AC_MSG_RESULT([no, missing xbsa.h and dsmapifp.h header files])
1537         fi
1538 else
1539         AC_MSG_RESULT([no])
1540 fi
1541 AC_SUBST(XBSA_CFLAGS)
1542 AC_SUBST(XBSA_XLIBS)
1543
1544 dnl checks for header files.
1545 AC_HEADER_STDC
1546 AC_HEADER_SYS_WAIT
1547 AC_HEADER_DIRENT
1548 AC_CHECK_HEADERS(stdlib.h string.h unistd.h poll.h fcntl.h sys/time.h sys/file.h)
1549 AC_CHECK_HEADERS(netinet/in.h netdb.h sys/fcntl.h sys/mnttab.h sys/mntent.h)
1550 AC_CHECK_HEADERS(mntent.h sys/vfs.h sys/param.h sys/fs_types.h sys/fstyp.h)
1551 AC_CHECK_HEADERS(sys/mount.h strings.h termios.h signal.h poll.h sys/pag.h)
1552 AC_CHECK_HEADERS(windows.h malloc.h winsock2.h direct.h io.h sys/user.h)
1553 AC_CHECK_HEADERS(security/pam_modules.h siad.h usersec.h ucontext.h regex.h values.h)
1554 AC_CHECK_HEADERS(linux/errqueue.h,,,[#include <linux/types.h>])
1555
1556 if test "$ac_cv_header_security_pam_modules_h" = yes -a "$enable_pam" = yes; then
1557         HAVE_PAM="yes"
1558 else
1559         HAVE_PAM="no"
1560 fi
1561 AC_SUBST(HAVE_PAM)
1562
1563 if test "$enable_login" = yes; then
1564         BUILD_LOGIN="yes"
1565 else
1566         BUILD_LOGIN="no"
1567 fi
1568 AC_SUBST(BUILD_LOGIN)
1569
1570 AC_CHECK_FUNCS(utimes random srandom getdtablesize snprintf strlcat strlcpy re_comp re_exec flock)
1571 AC_CHECK_FUNCS(setprogname getprogname sigaction mkstemp vsnprintf strerror strcasestr)
1572 AC_CHECK_FUNCS(setvbuf vsyslog)
1573 AC_FUNC_SETVBUF_REVERSED
1574 AC_CHECK_FUNCS(regcomp regexec regerror)
1575 AC_MSG_CHECKING([for POSIX regex library])
1576 if test "$ac_cv_header_regex_h" = "yes" && \
1577         test "$ac_cv_func_regcomp" = "yes" && \
1578         test "$ac_cv_func_regexec" = "yes" && \
1579         test "$ac_cv_func_regerror" = "yes"; then
1580     AC_DEFINE(HAVE_POSIX_REGEX, 1, [define if you have POSIX regex library])
1581     AC_MSG_RESULT(yes)
1582 else
1583     AC_MSG_RESULT(no)
1584 fi
1585
1586 AC_CHECK_TYPE(ssize_t, int)
1587 AC_SIZEOF_TYPE(long)
1588
1589 AC_CHECK_FUNCS(timegm)
1590 AC_CHECK_FUNCS(daemon)
1591
1592 dnl Directory PATH handling
1593 if test "x$enable_transarc_paths" = "xyes"  ; then
1594     afsconfdir=${afsconfdir=/usr/afs/etc}
1595     viceetcdir=${viceetcdir=/usr/vice/etc}
1596     afskerneldir=${afskerneldir=${viceetcdir}}
1597     afssrvbindir=${afssrvbindir=/usr/afs/bin}
1598     afssrvsbindir=${afssrvsbindir=/usr/afs/bin}
1599     afssrvlibexecdir=${afssrvlibexecdir=/usr/afs/bin}
1600     afsdbdir=${afsdbdir=/usr/afs/db}
1601     afslogsdir=${afslogsdir=/usr/afs/logs}
1602     afslocaldir=${afslocaldir=/usr/afs/local}
1603     afsbackupdir=${afsbackupdir=/usr/afs/backup}
1604     afsbosconfigdir=${afsbosconfigdir=/usr/afs/local}
1605 else
1606     afsconfdir=${afsconfdir='${sysconfdir}/openafs/server'}
1607     viceetcdir=${viceetcdir='${sysconfdir}/openafs'}
1608     afskerneldir=${afskerneldir='${libdir}/openafs'}
1609     afssrvbindir=${afssrvbindir='${bindir}'}
1610     afssrvsbindir=${afssrvsbindir='${sbindir}'}
1611     afssrvlibexecdir=${afssrvlibexecdir='${libexecdir}/openafs'}
1612     afsdbdir=${afsdbdir='${localstatedir}/openafs/db'}
1613     afslogsdir=${afslogsdir='${localstatedir}/openafs/logs'}
1614     afslocaldir=${afslocaldir='${localstatedir}/openafs'}
1615     afsbackupdir=${afsbackupdir='${localstatedir}/openafs/backup'}
1616     afsbosconfigdir=${afsbosconfigdir='${sysconfdir}/openafs'}
1617 fi
1618 AC_SUBST(afsconfdir)
1619 AC_SUBST(viceetcdir)
1620 AC_SUBST(afskerneldir)
1621 AC_SUBST(afssrvbindir)
1622 AC_SUBST(afssrvsbindir)
1623 AC_SUBST(afssrvlibexecdir)
1624 AC_SUBST(afsdbdir)
1625 AC_SUBST(afslogsdir)
1626 AC_SUBST(afslocaldir)
1627 AC_SUBST(afsbackupdir)
1628 AC_SUBST(afsbosconfigdir)
1629
1630 if test "x$enable_kernel_module" = "xyes"; then
1631 ENABLE_KERNEL_MODULE=libafs
1632 fi
1633
1634 if test "x$enable_pthreaded_ubik" = "xyes"; then
1635 ENABLE_PTHREADED_UBIK=yes
1636 fi
1637
1638 AC_SUBST(AFS_SYSNAME)
1639 AC_SUBST(AFS_PARAM_COMMON)
1640 AC_SUBST(ENABLE_KERNEL_MODULE)
1641 AC_SUBST(ENABLE_PTHREADED_UBIK)
1642 AC_SUBST(LIB_AFSDB)
1643 AC_SUBST(LINUX_KERNEL_PATH)
1644 AC_SUBST(LINUX_KERNEL_BUILD)
1645 AC_SUBST(HOST_CPU)
1646 AC_SUBST(BSD_KERNEL_PATH)
1647 AC_SUBST(BSD_KERNEL_BUILD)
1648 AC_SUBST(LINUX_VERSION)
1649 AC_SUBST(MKAFS_OSTYPE)
1650 AC_SUBST(TOP_OBJDIR)
1651 AC_SUBST(TOP_SRCDIR)
1652 AC_SUBST(TOP_INCDIR)
1653 AC_SUBST(TOP_LIBDIR)
1654 AC_SUBST(DEST)
1655 AC_SUBST(WITH_OBSOLETE)
1656 AC_SUBST(DARWIN_INFOFILE)
1657 AC_SUBST(IRIX_BUILD_IP35)
1658
1659 OPENAFS_OSCONF
1660 OPENAFS_KRB5CONF
1661
1662 TOP_SRCDIR="${srcdir}/src"
1663 dnl
1664 dnl If we're using ./configure, need a more reasonable TOP_SRCDIR, since relative links don't work everywhere
1665 dnl
1666 case $TOP_SRCDIR in
1667         /*)
1668                 ;;
1669         *)
1670                 TOP_SRCDIR=`cd $TOP_SRCDIR; pwd`
1671                 ;;
1672 esac
1673
1674 TOP_OBJDIR="${SRCDIR_PARENT}"
1675 TOP_INCDIR="${SRCDIR_PARENT}/include"
1676 TOP_LIBDIR="${SRCDIR_PARENT}/lib"
1677 if test "${DEST}x" = "x"; then
1678         DEST="${SRCDIR_PARENT}/${AFS_SYSNAME}/dest"
1679 fi
1680
1681 HELPER_SPLINT="${TOP_SRCDIR}/helper-splint.sh"
1682 HELPER_SPLINTCFG="${TOP_SRCDIR}/splint.cfg"
1683 AC_SUBST(HELPER_SPLINT)
1684 AC_SUBST(HELPER_SPLINTCFG)
1685
1686 mkdir -p ${TOP_OBJDIR}/src/JAVA/libjafs
1687
1688 ])