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
 198 dnl Kernel module build options.
 199 AC_ARG_WITH([dux-kernel-headers],
 200     [AS_HELP_STRING([--with-dux-kernel-headers=path],
 201         [use the kernel headers found at path (optional, defaults to first
 202          match in /usr/sys)])])
 203 AC_ARG_WITH([linux-kernel-headers],
 204     [AS_HELP_STRING([--with-linux-kernel-headers=path],
 205         [use the kernel headers found at path (optional, defaults to
 206          /usr/src/linux-2.4, then /usr/src/linux)])])
 207 AC_ARG_WITH([linux-kernel-build],
 208     [AS_HELP_STRING([--with-linux-kernel-build=path],
 209         [use the kernel build found at path(optional, defaults to
 210         /usr/src/linux-2.4, then /usr/src/linux)])])
 211 AC_ARG_WITH([bsd-kernel-headers],
 212     [AS_HELP_STRING([--with-bsd-kernel-headers=path],
 213         [use the kernel headers found at path (optional, defaults to
 214          /usr/src/sys)])])
 215 AC_ARG_WITH([bsd-kernel-build],
 216     [AS_HELP_STRING([--with-bsd-kernel-build=path],
 217         [use the kernel build found at path (optional, defaults to
 218          KSRC/i386/compile/GENERIC)])])
 219 AC_ARG_WITH([linux-kernel-packaging],
 220     [AS_HELP_STRING([--with-linux-kernel-packaging],
 221         [use standard naming conventions to aid Linux kernel build packaging
 222          (disables MPS, sets the kernel module name to openafs.ko, and
 223          installs kernel modules into the standard Linux location)])],
 224     [AC_SUBST(LINUX_KERNEL_PACKAGING, "yes")
 225      AC_SUBST(LINUX_LIBAFS_NAME, "openafs")],
 226     [AC_SUBST(LINUX_LIBAFS_NAME, "libafs")])
 227 AC_ARG_ENABLE([kernel-module],
 228     [AS_HELP_STRING([--disable-kernel-module],
 229         [disable compilation of the kernel module (defaults to enabled)])],
 230     ,
 231     [enable_kernel_module="yes"])
 232 AC_ARG_ENABLE([redhat-buildsys],
 233     [AS_HELP_STRING([--enable-redhat-buildsys],
 234         [enable compilation of the redhat build system kernel (defaults to
 235          disabled)])],
 236     ,
 237     [enable_redhat_buildsys="no"])
 238
 239 dnl Installation locations.
 240 AC_ARG_ENABLE([transarc-paths],
 241     [AS_HELP_STRING([--enable-transarc-paths],
 242         [use Transarc style paths like /usr/afs and /usr/vice])],
 243     ,
 244     [enable_transarc_paths="no"])
 245
 246 dnl Optimization and debugging flags.
 247 AC_ARG_ENABLE([strip-binaries],
 248     [AS_HELP_STRING([--disable-strip-binaries],
 249         [disable stripping of symbol information from binaries (defaults to
 250          enabled)])],
 251     ,
 252     [enable_strip_binaries="maybe"])
 253 AC_ARG_ENABLE([debug],
 254     [AS_HELP_STRING([--enable-debug],
 255         [enable compilation of the user space code with debugging information
 256          (defaults to disabled)])],
 257     ,
 258     [enable_debug="no"])
 259 AC_ARG_ENABLE([optimize],
 260     [AS_HELP_STRING([--disable-optimize],
 261         [disable optimization for compilation of the user space code (defaults
 262          to enabled)])],
 263     ,
 264     [enable_optimize="yes"])
 265 AC_ARG_ENABLE([warnings],
 266     [AS_HELP_STRING([--enable-warnings],
 267         [enable compilation warnings when building with gcc (defaults to
 268          disabled)])],
 269     ,
 270     [enable_warnings="no"])
 271 AC_ARG_ENABLE([debug-kernel],
 272     [AS_HELP_STRING([--enable-debug-kernel],
 273         [enable compilation of the kernel module with debugging information
 274          (defaults to disabled)])],
 275     ,
 276     [enable_debug_kernel="no"])
 277 AC_ARG_ENABLE([optimize-kernel],
 278     [AS_HELP_STRING([--disable-optimize-kernel],
 279         [disable compilation of the kernel module with optimization (defaults
 280          based on platform)])],
 281     ,
 282     [enable_optimize_kernel="yes"])
 283 AC_ARG_ENABLE([debug-lwp],
 284     [AS_HELP_STRING([--enable-debug-lwp],
 285         [enable compilation of the LWP code with debugging information
 286          (defaults to disabled)])],
 287     ,
 288     [enable_debug_lwp="no"])
 289 AC_ARG_ENABLE([optimize-lwp],
 290     [AS_HELP_STRING([--disable-optimize-lwp],
 291         [disable optimization for compilation of the LWP code (defaults to
 292          enabled)])],
 293     ,
 294     [enable_optimize_lwp="yes"])
 295 AC_ARG_ENABLE([debug-pam],
 296     [AS_HELP_STRING([--enable-debug-pam],
 297         [enable compilation of the PAM code with debugging information
 298          (defaults to disabled)])],
 299     ,
 300     [enable_debug_pam="no"])
 301 AC_ARG_ENABLE([optimize-pam],
 302     [AS_HELP_STRING([--disable-optimize-pam],
 303         [disable optimization for compilation of the PAM code (defaults to
 304          enabled)])],
 305     ,
 306     [enable_optimize_pam="yes"])
 307
 308 AC_ARG_WITH([xslt-processor],
 309         AS_HELP_STRING([--with-xslt-processor=ARG],
 310         [which XSLT processor to use (possible choices are: libxslt, saxon, xalan-j, xsltproc)]),
 311         XSLTPROC="$withval",
 312         XSLTPROC="libxslt")
 313
 314 AC_ARG_WITH([html-xsl],
 315         AS_HELP_STRING([--with-html-xsl],
 316         [build HTML documentation using Norman Walsh's DocBook XSL stylesheets (default is no; specify a path to chunk.xsl or docbook.xsl)]),
 317         HTML_XSL="$withval",
 318         HTML_XSL=no)
 319
 320 enable_login="no"
 321
 322 dnl weird ass systems
 323 dnl AC_AIX
 324 AC_ISC_POSIX
 325 dnl AC_MINIX
 326
 327 dnl Various compiler setup.
 328 AC_TYPE_PID_T
 329 AC_TYPE_SIZE_T
 330 AC_TYPE_SIGNAL
 331 AC_TYPE_SOCKLEN_T
 332 AC_CHECK_TYPES(sig_t, , ,
 333   [#include <sys/types.h>
 334    #include <signal.h> ])
 335 AH_BOTTOM(
 336 [#ifndef HAVE_SIG_T
 337 #ifndef SIG_T_DEFINED
 338 #define SIG_T_DEFINED
 339 typedef RETSIGTYPE (*sig_t) ();
 340 #endif
 341 #endif])
 342 COMPILER_HAS_FUNCTION_MACRO
 343
 344 dnl Checks for programs.
 345 AC_PROG_INSTALL
 346 AC_PROG_LN_S
 347 AC_PROG_RANLIB
 348 AC_PROG_YACC
 349 AM_PROG_LEX
 350
 351 OPENAFS_CHECK_BIGENDIAN
 352
 353 AC_MSG_CHECKING(your OS)
 354 system=$host
 355 case $system in
 356         *-linux*)
 357
 358                 MKAFS_OSTYPE=LINUX
 359                 if test "x$enable_redhat_buildsys" = "xyes"; then
 360                  AC_DEFINE(ENABLE_REDHAT_BUILDSYS, 1, [define if you have redhat buildsystem])
 361                 fi
 362                 if test "x$enable_kernel_module" = "xyes"; then
 363                  if test "x$with_linux_kernel_headers" != "x"; then
 364                    LINUX_KERNEL_PATH="$with_linux_kernel_headers"
 365                  else
 366                    LINUX_KERNEL_PATH="/lib/modules/`uname -r`/source"
 367                    if test ! -f "$LINUX_KERNEL_PATH/include/linux/version.h"; then
 368                      LINUX_KERNEL_PATH="/lib/modules/`uname -r`/build"
 369                    fi
 370                    if test ! -f "$LINUX_KERNEL_PATH/include/linux/version.h"; then
 371                      LINUX_KERNEL_PATH="/usr/src/linux-2.4"
 372                    fi
 373                    if test ! -f "$LINUX_KERNEL_PATH/include/linux/version.h"; then
 374                      LINUX_KERNEL_PATH="/usr/src/linux"
 375                    fi
 376                  fi
 377                  if test "x$with_linux_kernel_build" != "x"; then
 378                          LINUX_KERNEL_BUILD="$with_linux_kernel_build"
 379                  else
 380                    LINUX_KERNEL_BUILD=$LINUX_KERNEL_PATH
 381                  fi
 382                if test -f "$LINUX_KERNEL_BUILD/include/linux/utsrelease.h"; then
 383                  linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/linux/utsrelease.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
 384                  LINUX_VERSION="$linux_kvers"
 385                else
 386                  if test -f "$LINUX_KERNEL_BUILD/include/linux/version.h"; then
 387                   linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/linux/version.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
 388                   if test "x$linux_kvers" = "x"; then
 389                     if test -f "$LINUX_KERNEL_BUILD/include/linux/version-up.h"; then
 390                       linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/linux/version-up.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
 391                       if test "x$linux_kvers" = "x"; then
 392
 393                         AC_MSG_ERROR(Linux headers lack version definition [2])
 394                         exit 1
 395                       else
 396                         LINUX_VERSION="$linux_kvers"
 397                       fi
 398                     else
 399                       AC_MSG_ERROR(Linux headers lack version definition)
 400                       exit 1
 401                     fi
 402                   else
 403                     LINUX_VERSION="$linux_kvers"
 404                   fi
 405                  else
 406                     enable_kernel_module="no"
 407                  fi
 408                fi
 409                  if test ! -f "$LINUX_KERNEL_BUILD/include/linux/autoconf.h"; then
 410                      enable_kernel_module="no"
 411                  fi
 412                  if test "x$enable_kernel_module" = "xno"; then
 413                   if test "x$with_linux_kernel_headers" != "x"; then
 414                    AC_MSG_ERROR(No usable linux headers found at $LINUX_KERNEL_PATH)
 415                    exit 1
 416                   else
 417                    AC_MSG_WARN(No usable linux headers found at $LINUX_KERNEL_PATH so disabling kernel module)
 418                   fi
 419                  fi
 420                  dnl do we need to determine SUBARCH from autoconf.h
 421                  SUBARCH=default
 422                 fi
 423                 AC_MSG_RESULT(linux)
 424                 if test "x$enable_kernel_module" = "xyes"; then
 425                  AFS_SYSKVERS=`echo $LINUX_VERSION | awk -F\. '{print $[]1 $[]2}'`
 426                  if test "x${AFS_SYSKVERS}" = "x"; then
 427                   AC_MSG_ERROR(Couldn't guess your Linux version [2])
 428                  fi
 429                 fi
 430                 ;;
 431         *-solaris*)
 432                 MKAFS_OSTYPE=SOLARIS
 433                 AC_MSG_RESULT(sun4)
 434                 SOLARIS_UFSVFS_HAS_DQRWLOCK
 435                 SOLARIS_PROC_HAS_P_COREFILE
 436                 SOLARIS_FS_HAS_FS_ROLLED
 437                 ;;
 438         *-sunos*)
 439                 MKAFS_OSTYPE=SUNOS
 440                 enable_kernel_module=no
 441                 AC_MSG_RESULT(sun4)
 442                 ;;
 443         *-hpux*)
 444                 MKAFS_OSTYPE=HPUX
 445                 AC_MSG_RESULT(hp_ux)
 446                 if test -f "/usr/old/usr/include/ndir.h"; then
 447                  AC_DEFINE(HAVE_USR_OLD_USR_INCLUDE_NDIR_H, 1, [define if you have old ndir.h])
 448                 fi
 449                 ;;
 450         *-irix*)
 451                 if test -d /usr/include/sys/SN/SN1; then
 452                  IRIX_BUILD_IP35="IP35"
 453                 fi
 454                 MKAFS_OSTYPE=IRIX
 455                 AC_MSG_RESULT(sgi)
 456                 ;;
 457         *-aix*)
 458                 MKAFS_OSTYPE=AIX
 459                 AC_MSG_RESULT(rs_aix)
 460                 ;;
 461         *-osf*)
 462                 MKAFS_OSTYPE=DUX
 463                 AC_MSG_RESULT(alpha_dux)
 464                 if test "x$enable_kernel_module" = "xyes"; then
 465                  if test "x$with_dux_kernel_headers" != "x"; then
 466                    HEADER_RT=`ls ${with_dux_kernel_headers}/rt_preempt.h | head -1 | sed 's,/rt_preempt.h,,;s,/usr/sys/,,'`
 467                  else
 468                    HEADER_RT=`ls /usr/sys/*/rt_preempt.h | head -1 | sed 's,/rt_preempt.h,,;s,/usr/sys/,,'`
 469                  fi
 470                 fi
 471                 if test "$HEADER_RT" = "*" ; then
 472                         AC_MSG_ERROR([Need a configured kernel directory])
 473                 fi
 474                 AC_SUBST([HEADER_RT])
 475                 ;;
 476         powerpc-*-darwin*)
 477                 MKAFS_OSTYPE=DARWIN
 478                 AC_MSG_RESULT(ppc_darwin)
 479                 ;;
 480         i386-*-darwin*)
 481                 MKAFS_OSTYPE=DARWIN
 482                 AC_MSG_RESULT(x86_darwin)
 483                 ;;
 484         i386-*-freebsd*)
 485                 MKAFS_OSTYPE=FBSD
 486                 AC_MSG_RESULT(i386_fbsd)
 487                 ;;
 488         x86_64-*-freebsd*)
 489                 MKAFS_OSTYPE=FBSD
 490                 AC_MSG_RESULT(amd64_fbsd)
 491                 ;;
 492         *-netbsd*)
 493                 MKAFS_OSTYPE=NBSD
 494                 AC_MSG_RESULT(nbsd)
 495                 ;;
 496         *-openbsd*)
 497                 MKAFS_OSTYPE=OBSD
 498                 AC_MSG_RESULT(i386_obsd)
 499                 ;;
 500         *-dragonfly*)
 501                 MKAFS_OSTYPE=DFBSD
 502                 AC_MSG_RESULT(i386_dfbsd)
 503                 ;;
 504         *)
 505                 AC_MSG_RESULT($system)
 506                 ;;
 507 esac
 508
 509 if test "x$with_afs_sysname" != "x"; then
 510         AFS_SYSNAME="$with_afs_sysname"
 511 else
 512         AC_MSG_CHECKING(your AFS sysname)
 513         case $host in
 514                 i?86-*-openbsd?.?)
 515                         v=${host#*openbsd}
 516                         vM=${v%.*}
 517                         vm=${v#*.}
 518                         AFS_SYSNAME="i386_obsd${vM}${vm}"
 519                         ;;
 520                 sparc64-*-openbsd?.?)
 521                         v=${host#*openbsd}
 522                         vM=${v%.*}
 523                         vm=${v#*.}
 524                         AFS_SYSNAME="sparc64_obsd${vM}${vm}"
 525                         ;;
 526                 i?86-*-freebsd?.*)
 527                         v=${host#*freebsd}
 528                         vM=${v%.*}
 529                         vm=${v#*.}
 530                         AFS_SYSNAME="i386_fbsd_${vM}${vm}"
 531                         ;;
 532                 x86_64-*-freebsd?.*)
 533                         v=${host#*freebsd}
 534                         vM=${v%.*}
 535                         vm=${v#*.}
 536                         AFS_SYSNAME="amd64_fbsd_${vM}${vm}"
 537                         ;;
 538                 i386-*-dragonfly2.2*)
 539                         AFS_SYSNAME="i386_dfbsd_23"
 540                         ;;
 541                 i386-*-dragonfly2.3*)
 542                         AFS_SYSNAME="i386_dfbsd_23"
 543                         ;;
 544                 i?86-*-netbsd*1.5*)
 545                         AFS_PARAM_COMMON=param.nbsd15.h
 546                         AFS_SYSNAME="i386_nbsd15"
 547                         ;;
 548                 alpha-*-netbsd*1.5*)
 549                         AFS_PARAM_COMMON=param.nbsd15.h
 550                         AFS_SYSNAME="alpha_nbsd15"
 551                         ;;
 552                 i?86-*-netbsd*1.6[[M-Z]]*)
 553                         AFS_PARAM_COMMON=param.nbsd20.h
 554                         AFS_SYSNAME="i386_nbsd20"
 555                         ;;
 556                 powerpc-*-netbsd*1.6[[M-Z]]*)
 557                         AFS_PARAM_COMMON=param.nbsd20.h
 558                         AFS_SYSNAME="ppc_nbsd20"
 559                         ;;
 560                 i?86-*-netbsd*2.0*)
 561                         AFS_PARAM_COMMON=param.nbsd20.h
 562                         AFS_SYSNAME="i386_nbsd20"
 563                         ;;
 564                 amd64-*-netbsd*2.0*)
 565                         AFS_PARAM_COMMON=param.nbsd20.h
 566                         AFS_SYSNAME="amd64_nbsd20"
 567                         ;;
 568                 x86_64-*-netbsd*3.[[0-8]]*)
 569                         AFS_PARAM_COMMON=param.nbsd30.h
 570                         AFS_SYSNAME="amd64_nbsd30"
 571                         ;;
 572                 x86_64-*-netbsd*4.[[0-8]]*)
 573                         AFS_PARAM_COMMON=param.nbsd40.h
 574                         AFS_SYSNAME="amd64_nbsd40"
 575                         ;;
 576                 powerpc-*-netbsd*2.0*)
 577                         AFS_PARAM_COMMON=param.nbsd20.h
 578                         AFS_SYSNAME="ppc_nbsd20"
 579                         ;;
 580                 i?86-*-netbsd*1.6*)
 581                         AFS_PARAM_COMMON=param.nbsd16.h
 582                         AFS_SYSNAME="i386_nbsd16"
 583                         ;;
 584                 alpha-*-netbsd*1.6*)
 585                         AFS_PARAM_COMMON=param.nbsd16.h
 586                         AFS_SYSNAME="alpha_nbsd16"
 587                         ;;
 588                 powerpc-*-netbsd*1.6*)
 589                         AFS_PARAM_COMMON=param.nbsd16.h
 590                         AFS_SYSNAME="ppc_nbsd16"
 591                         ;;
 592                 i?86-*-netbsd*2.1*)
 593                         AFS_PARAM_COMMON=param.nbsd21.h
 594                         AFS_SYSNAME="i386_nbsd21"
 595                         ;;
 596                 i?86-*-netbsd*2.99*)
 597                         AFS_PARAM_COMMON=param.nbsd30.h
 598                         AFS_SYSNAME="i386_nbsd30"
 599                         ;;
 600                 i?86-*-netbsd*3.[[0-8]]*)
 601                         AFS_PARAM_COMMON=param.nbsd30.h
 602                         AFS_SYSNAME="i386_nbsd30"
 603                         ;;
 604                 i?86-*-netbsd*3.99*)
 605                         AFS_PARAM_COMMON=param.nbsd30.h
 606                         AFS_SYSNAME="i386_nbsd30"
 607                         ;;
 608                 i?86-*-netbsd*4.[[0-8]]*)
 609                         AFS_PARAM_COMMON=param.nbsd40.h
 610                         AFS_SYSNAME="i386_nbsd40"
 611                         ;;
 612                 i?86-*-netbsd*4.99*)
 613                         AFS_PARAM_COMMON=param.nbsd40.h
 614                         AFS_SYSNAME="i386_nbsd40"
 615                         ;;
 616                 hppa*-hp-hpux11.0*)
 617                         AFS_SYSNAME="hp_ux110"
 618                         ;;
 619                 hppa*-hp-hpux11.11)
 620                         AFS_SYSNAME="hp_ux11i"
 621                         ;;
 622                 hppa*-hp-hpux11.23)
 623                         AFS_SYSNAME="hp_ux1123"
 624                         ;;
 625                 ia64-hp-hpux11.22)
 626                         AFS_SYSNAME="ia64_hpux1122"
 627                         ;;
 628                 ia64-hp-hpux*)
 629                         AFS_SYSNAME="ia64_hpux1123"
 630                         ;;
 631                 hppa*-hp-hpux10*)
 632                         AFS_SYSNAME="hp_ux102"
 633                         ;;
 634                 powerpc-apple-darwin1.2*)
 635                         AFS_SYSNAME="ppc_darwin_12"
 636                         ;;
 637                 powerpc-apple-darwin1.3*)
 638                         AFS_SYSNAME="ppc_darwin_13"
 639                         ;;
 640                 powerpc-apple-darwin1.4*)
 641                         AFS_SYSNAME="ppc_darwin_14"
 642                         ;;
 643                 powerpc-apple-darwin5.1*)
 644                         AFS_SYSNAME="ppc_darwin_14"
 645                         ;;
 646                 powerpc-apple-darwin5.2*)
 647                         AFS_SYSNAME="ppc_darwin_14"
 648                         ;;
 649                 powerpc-apple-darwin5.3*)
 650                         AFS_SYSNAME="ppc_darwin_14"
 651                         ;;
 652                 powerpc-apple-darwin5.4*)
 653                         AFS_SYSNAME="ppc_darwin_14"
 654                         ;;
 655                 powerpc-apple-darwin5.5*)
 656                         AFS_SYSNAME="ppc_darwin_14"
 657                         ;;
 658                 powerpc-apple-darwin6.0*)
 659                         AFS_SYSNAME="ppc_darwin_60"
 660                         ;;
 661                 powerpc-apple-darwin6.1*)
 662                         AFS_SYSNAME="ppc_darwin_60"
 663                         ;;
 664                 powerpc-apple-darwin6.2*)
 665                         AFS_SYSNAME="ppc_darwin_60"
 666                         ;;
 667                 powerpc-apple-darwin6.3*)
 668                         AFS_SYSNAME="ppc_darwin_60"
 669                         ;;
 670                 powerpc-apple-darwin6.4*)
 671                         AFS_SYSNAME="ppc_darwin_60"
 672                         ;;
 673                 powerpc-apple-darwin6.5*)
 674                         AFS_SYSNAME="ppc_darwin_60"
 675                         ;;
 676                 powerpc-apple-darwin7.0*)
 677                         AFS_SYSNAME="ppc_darwin_70"
 678                         ;;
 679                 powerpc-apple-darwin7.1*)
 680                         AFS_SYSNAME="ppc_darwin_70"
 681                         ;;
 682                 powerpc-apple-darwin7.2*)
 683                         AFS_SYSNAME="ppc_darwin_70"
 684                         ;;
 685                 powerpc-apple-darwin7.3*)
 686                         AFS_SYSNAME="ppc_darwin_70"
 687                         ;;
 688                 powerpc-apple-darwin7.4*)
 689                         AFS_SYSNAME="ppc_darwin_70"
 690                         ;;
 691                 powerpc-apple-darwin7.5*)
 692                         AFS_SYSNAME="ppc_darwin_70"
 693                         ;;
 694                 powerpc-apple-darwin8.0*)
 695                         AFS_SYSNAME="ppc_darwin_80"
 696                         ;;
 697                 powerpc-apple-darwin8.*)
 698                         AFS_SYSNAME="ppc_darwin_80"
 699                         ;;
 700                 i386-apple-darwin8.*)
 701                         AFS_SYSNAME="x86_darwin_80"
 702                         ;;
 703                 powerpc-apple-darwin9.*)
 704                         AFS_SYSNAME="ppc_darwin_90"
 705                         ;;
 706                 i386-apple-darwin9.*)
 707                         AFS_SYSNAME="x86_darwin_90"
 708                         ;;
 709                 sparc-sun-solaris2.5*)
 710                         AFS_SYSNAME="sun4x_55"
 711                         enable_login="yes"
 712                         ;;
 713                 sparc-sun-solaris2.6)
 714                         AFS_SYSNAME="sun4x_56"
 715                         ;;
 716                 sparc-sun-solaris2.7)
 717                         AFS_SYSNAME="sun4x_57"
 718                         ;;
 719                 sparc-sun-solaris2.8)
 720                         AFS_SYSNAME="sun4x_58"
 721                         ;;
 722                 sparc-sun-solaris2.9)
 723                         AFS_SYSNAME="sun4x_59"
 724                         ;;
 725                 sparc-sun-solaris2.10)
 726                         AFS_SYSNAME="sun4x_510"
 727                         ;;
 728                 sparc-sun-solaris2.11)
 729                         AFS_SYSNAME="sun4x_511"
 730                         ;;
 731                 sparc-sun-sunos4*)
 732                         AFS_SYSNAME="sun4_413"
 733                         enable_login="yes"
 734                         ;;
 735                 i386-pc-solaris2.7)
 736                         AFS_SYSNAME="sunx86_57"
 737                         ;;
 738                 i386-pc-solaris2.8)
 739                         AFS_SYSNAME="sunx86_58"
 740                         ;;
 741                 i386-pc-solaris2.9)
 742                         AFS_SYSNAME="sunx86_59"
 743                         ;;
 744                 i386-pc-solaris2.10)
 745                         AFS_SYSNAME="sunx86_510"
 746                         ;;
 747                 i386-pc-solaris2.11)
 748                         AFS_SYSNAME="sunx86_511"
 749                         ;;
 750                 alpha*-dec-osf4.0*)
 751                         AFS_SYSNAME="alpha_dux40"
 752                         ;;
 753                 alpha*-dec-osf5.0*)
 754                         AFS_SYSNAME="alpha_dux50"
 755                         ;;
 756                 alpha*-dec-osf5.1*)
 757                         AFS_SYSNAME="alpha_dux51"
 758                         ;;
 759                 mips-sgi-irix6.5)
 760                         AFS_SYSNAME="sgi_65"
 761                         ;;
 762                 ia64-*-linux*)
 763                         AFS_SYSNAME="ia64_linuxXX"
 764                         ;;
 765                 powerpc-*-linux*)
 766                         AFS_SYSNAME="`/bin/arch`_linuxXX"
 767                         ;;
 768                 powerpc64-*-linux*)
 769                         AFS_SYSNAME="ppc64_linuxXX"
 770                         ;;
 771                 alpha*-linux*)
 772                         AFS_SYSNAME="alpha_linux_XX"
 773                         ;;
 774                 s390-*-linux*)
 775                         AFS_SYSNAME="s390_linuxXX"
 776                         ;;
 777                 s390x-*-linux*)
 778                         AFS_SYSNAME="s390x_linuxXX"
 779                         ;;
 780                 sparc-*-linux*)
 781                         AFS_SYSNAME="`/bin/arch`_linuxXX"
 782                         ;;
 783                 sparc64-*-linux*)
 784                         AFS_SYSNAME="sparc64_linuxXX"
 785                         ;;
 786                 i?86-*-linux*)
 787                         AFS_SYSNAME="i386_linuxXX"
 788                         ;;
 789                 parisc-*-linux-gnu|hppa-*-linux-gnu)
 790                         AFS_SYSNAME="parisc_linuxXX"
 791                         enable_pam="no"
 792                         ;;
 793                 power*-ibm-aix4.2*)
 794                         AFS_SYSNAME="rs_aix42"
 795                         enable_pam="no"
 796                         ;;
 797                 power*-ibm-aix4.3*)
 798                         AFS_SYSNAME="rs_aix42"
 799                         enable_pam="no"
 800                         ;;
 801                 power*-ibm-aix5.1*)
 802                         AFS_SYSNAME="rs_aix51"
 803                         enable_pam="no"
 804                         ;;
 805                 power*-ibm-aix5.2*)
 806                         AFS_SYSNAME="rs_aix52"
 807                         enable_pam="no"
 808                         ;;
 809                 power*-ibm-aix5.3*)
 810                         AFS_SYSNAME="rs_aix53"
 811                         enable_pam="no"
 812                         ;;
 813                 power*-ibm-aix6.1*)
 814                         AFS_SYSNAME="rs_aix61"
 815                         enable_pam="no"
 816                         ;;
 817                 x86_64-*-linux-gnu)
 818                         AFS_SYSNAME="amd64_linuxXX"
 819                         enable_pam="no"
 820                         ;;
 821                 *)
 822                         AC_MSG_ERROR(An AFS sysname is required)
 823                         exit 1
 824                         ;;
 825         esac
 826         case $AFS_SYSNAME in
 827                 *_linux* | *_umlinux*)
 828                         if test "x${AFS_SYSKVERS}" = "x"; then
 829                          AC_MSG_ERROR(Couldn't guess your Linux version. Please use the --with-afs-sysname option to configure an AFS sysname.)
 830                         fi
 831                         _AFS_SYSNAME=`echo $AFS_SYSNAME|sed s/XX\$/$AFS_SYSKVERS/`
 832                         AFS_SYSNAME="$_AFS_SYSNAME"
 833                         save_CPPFLAGS="$CPPFLAGS"
 834                         CPPFLAGS="-I${LINUX_KERNEL_PATH}/include $CPPFLAGS"
 835                         AC_TRY_COMPILE(
 836                          [#include <linux/autoconf.h>],
 837                          [#ifndef CONFIG_USERMODE
 838                           #error not UML
 839                           #endif],
 840                          ac_cv_linux_is_uml=yes,)
 841                         if test "${ac_cv_linux_is_uml}" = yes; then
 842                          _AFS_SYSNAME=`echo $AFS_SYSNAME|sed s/linux/umlinux/`
 843                         fi
 844                         CPPFLAGS="$save_CPPFLAGS"
 845                         AFS_SYSNAME="$_AFS_SYSNAME"
 846                         ;;
 847         esac
 848         AC_MSG_RESULT($AFS_SYSNAME)
 849 fi
 850
 851 case $AFS_SYSNAME in *_linux* | *_umlinux*)
 852
 853                 # Add (sub-) architecture-specific paths needed by conftests
 854                 case $AFS_SYSNAME  in
 855                         *_umlinux26)
 856                                 UMLINUX26_FLAGS="-I$LINUX_KERNEL_PATH/arch/um/include"
 857                                 UMLINUX26_FLAGS="$UMLINUX26_FLAGS -I$LINUX_KERNEL_PATH/arch/um/kernel/tt/include"
 858                                 UMLINUX26_FLAGS="$UMLINUX26_FLAGS -I$LINUX_KERNEL_PATH/arch/um/kernel/skas/include"
 859                                 CPPFLAGS="$CPPFLAGS $UMLINUX26_FLAGS"
 860                 esac
 861
 862                 if test "x$enable_kernel_module" = "xyes"; then
 863                  if test "x$enable_debug_kernel" = "xno"; then
 864                         LINUX_GCC_KOPTS="$LINUX_GCC_KOPTS -fomit-frame-pointer"
 865                  fi
 866                  OPENAFS_GCC_SUPPORTS_MARCH
 867                  AC_SUBST(P5PLUS_KOPTS)
 868                  OPENAFS_GCC_NEEDS_NO_STRENGTH_REDUCE
 869                  OPENAFS_GCC_NEEDS_NO_STRICT_ALIASING
 870                  OPENAFS_GCC_SUPPORTS_NO_COMMON
 871                  OPENAFS_GCC_SUPPORTS_PIPE
 872                  AC_SUBST(LINUX_GCC_KOPTS)
 873                  ifdef([OPENAFS_CONFIGURE_LIBAFS],
 874                    [LINUX_BUILD_VNODE_FROM_INODE(src/config,src/afs)],
 875                    [LINUX_BUILD_VNODE_FROM_INODE(${srcdir}/src/config,src/afs/LINUX,${srcdir}/src/afs/LINUX)]
 876                  )
 877
 878                  LINUX_KBUILD_USES_EXTRA_CFLAGS
 879                  LINUX_KERNEL_COMPILE_WORKS
 880                  LINUX_EXPORTS_FIND_TASK_BY_PID
 881                  LINUX_EXPORTS_PROC_ROOT_FS
 882                  LINUX_HAVE_CURRENT_KERNEL_TIME
 883                  LINUX_HAVE_WRITE_BEGIN_AOP
 884                  LINUX_HAVE_BDI_INIT
 885                  LINUX_KMEM_CACHE_INIT
 886                  LINUX_HAVE_GRAB_CACHE_PAGE_WRITE_BEGIN
 887                  LINUX_STRUCT_TASK_HAS_CRED
 888                  LINUX_STRUCT_PROC_DIR_ENTRY_HAS_OWNER
 889                  LINUX_HAVE_KMEM_CACHE_T
 890                  LINUX_KMEM_CACHE_CREATE_TAKES_DTOR
 891                  LINUX_D_PATH_TAKES_STRUCT_PATH
 892                  LINUX_NEW_EXPORT_OPS
 893                  LINUX_CONFIG_H_EXISTS
 894                  LINUX_COMPLETION_H_EXISTS
 895                  LINUX_SEMAPHORE_H_EXISTS
 896                  LINUX_EXPORTFS_H_EXISTS
 897                  LINUX_DEFINES_FOR_EACH_PROCESS
 898                  LINUX_DEFINES_PREV_TASK
 899                  LINUX_FS_STRUCT_SUPER_HAS_ALLOC_INODE
 900                  LINUX_FS_STRUCT_ADDRESS_SPACE_HAS_PAGE_LOCK
 901                  LINUX_FS_STRUCT_ADDRESS_SPACE_HAS_GFP_MASK
 902                  LINUX_FS_STRUCT_INODE_HAS_I_ALLOC_SEM
 903                  LINUX_FS_STRUCT_INODE_HAS_I_BLKBITS
 904                  LINUX_FS_STRUCT_INODE_HAS_I_BLKSIZE
 905                  LINUX_FS_STRUCT_INODE_HAS_I_TRUNCATE_SEM
 906                  LINUX_FS_STRUCT_INODE_HAS_I_DIRTY_DATA_BUFFERS
 907                  LINUX_FS_STRUCT_INODE_HAS_I_DEVICES
 908                  LINUX_FS_STRUCT_INODE_HAS_I_MMAP_SHARED
 909                  LINUX_FS_STRUCT_INODE_HAS_I_MUTEX
 910                  LINUX_FS_STRUCT_INODE_HAS_I_SB_LIST
 911                  LINUX_FS_STRUCT_INODE_HAS_I_SECURITY
 912                  LINUX_FS_STRUCT_INODE_HAS_INOTIFY_LOCK
 913                  LINUX_FS_STRUCT_INODE_HAS_INOTIFY_SEM
 914                  LINUX_INODE_SETATTR_RETURN_TYPE
 915                  LINUX_WRITE_INODE_RETURN_TYPE
 916                  LINUX_IOP_I_CREATE_TAKES_NAMEIDATA
 917                  LINUX_IOP_I_LOOKUP_TAKES_NAMEIDATA
 918                  LINUX_IOP_I_PERMISSION_TAKES_NAMEIDATA
 919                  LINUX_IOP_I_PUT_LINK_TAKES_COOKIE
 920                  LINUX_DOP_D_REVALIDATE_TAKES_NAMEIDATA
 921                  LINUX_FOP_F_FLUSH_TAKES_FL_OWNER_T
 922                  LINUX_AOP_WRITEBACK_CONTROL
 923                  LINUX_FS_STRUCT_FOP_HAS_FLOCK
 924                  LINUX_FS_STRUCT_FOP_HAS_SENDFILE
 925                  LINUX_FS_STRUCT_FOP_HAS_SPLICE
 926                  LINUX_KERNEL_LINUX_SYSCALL_H
 927                  LINUX_KERNEL_LINUX_SEQ_FILE_H
 928                  LINUX_KERNEL_POSIX_LOCK_FILE_WAIT_ARG
 929                  LINUX_POSIX_TEST_LOCK_RETURNS_CONFLICT
 930                  LINUX_POSIX_TEST_LOCK_CONFLICT_ARG
 931                  LINUX_KERNEL_SELINUX
 932                  LINUX_KERNEL_SOCK_CREATE
 933                  LINUX_KERNEL_PAGE_FOLLOW_LINK
 934                  LINUX_KERNEL_HLIST_UNHASHED
 935                  LINUX_KEY_TYPE_H_EXISTS
 936                  LINUX_NEED_RHCONFIG
 937                  LINUX_RECALC_SIGPENDING_ARG_TYPE
 938                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_PARENT
 939                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_REAL_PARENT
 940                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_SIG
 941                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_SIGHAND
 942                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_SIGMASK_LOCK
 943                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_RLIM
 944                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_SIGNAL_RLIM
 945                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_EXIT_STATE
 946                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_TGID
 947                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_TODO
 948                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_THREAD_INFO
 949                  LINUX_EXPORTS_TASKLIST_LOCK
 950                  LINUX_GET_SB_HAS_STRUCT_VFSMOUNT
 951                  LINUX_STATFS_TAKES_DENTRY
 952                  LINUX_FREEZER_H_EXISTS
 953                  LINUX_HAVE_SVC_ADDR_IN
 954                  if test "x$ac_cv_linux_freezer_h_exists" = "xyes" ; then
 955                   AC_DEFINE(FREEZER_H_EXISTS, 1, [define if you have linux/freezer.h])
 956                  fi
 957                  LINUX_REFRIGERATOR
 958                  LINUX_LINUX_KEYRING_SUPPORT
 959                  LINUX_KEY_ALLOC_NEEDS_STRUCT_TASK
 960                  LINUX_KEY_ALLOC_NEEDS_CRED
 961                  LINUX_DO_SYNC_READ
 962                  LINUX_GENERIC_FILE_AIO_READ
 963                  LINUX_INIT_WORK_HAS_DATA
 964                  LINUX_REGISTER_SYSCTL_TABLE_NOFLAG
 965                  LINUX_SYSCTL_TABLE_CHECKING
 966                  LINUX_HAVE_IGET
 967                  if test "x$ac_cv_linux_have_iget" = "xno"; then
 968                    AC_DEFINE([LINUX_USE_FH], 1, [define to use linux file handles for cache files])
 969                  fi
 970                  LINUX_HAVE_I_SIZE_READ
 971                  LINUX_HAVE_D_ALLOC_ANON
 972                  if test "x$ac_cv_linux_d_alloc_anon" = "xno"; then
 973                    AC_DEFINE([AFS_NONFSTRANS], 1, [define to disable the nfs translator])
 974                  fi
 975                  LINUX_FS_STRUCT_NAMEIDATA_HAS_PATH
 976                  LINUX_EXPORTS_INIT_MM
 977                  LINUX_EXPORTS_SYS_CHDIR
 978                  LINUX_EXPORTS_SYS_CLOSE
 979                  LINUX_EXPORTS_SYS_OPEN
 980                  LINUX_EXPORTS_SYS_WAIT4
 981                  LINUX_EXPORTS_RCU_READ_LOCK
 982                  if test "x$with_linux_kernel_packaging" = "xno" ; then
 983                    LINUX_WHICH_MODULES
 984                  else
 985                    AC_SUBST(MPS,'SP')
 986                  fi
 987                  if test "x$ac_cv_linux_config_modversions" = "xno" -o $AFS_SYSKVERS -ge 26; then
 988                    AC_MSG_WARN([Cannot determine sys_call_table status. assuming it isn't exported])
 989                    ac_cv_linux_exports_sys_call_table=no
 990                    if test -f "$LINUX_KERNEL_PATH/include/asm/ia32_unistd.h"; then
 991                      ac_cv_linux_exports_ia32_sys_call_table=yes
 992                    fi
 993                  else
 994                    LINUX_EXPORTS_KALLSYMS_ADDRESS
 995                    LINUX_EXPORTS_KALLSYMS_SYMBOL
 996                    LINUX_EXPORTS_SYS_CALL_TABLE
 997                    LINUX_EXPORTS_IA32_SYS_CALL_TABLE
 998                    if test "x$ac_cv_linux_exports_sys_call_table" = "xno"; then
 999                          linux_syscall_method=none
1000                          if test "x$ac_cv_linux_exports_init_mm" = "xyes"; then
1001                             linux_syscall_method=scan
1002                             if test "x$ac_cv_linux_exports_kallsyms_address" = "xyes"; then
1003                                linux_syscall_method=scan_with_kallsyms_address
1004                             fi
1005                          fi
1006                          if test "x$ac_cv_linux_exports_kallsyms_symbol" = "xyes"; then
1007                             linux_syscall_method=kallsyms_symbol
1008                          fi
1009                          if test "x$linux_syscall_method" = "xnone"; then
1010                             AC_MSG_WARN([no available sys_call_table access method -- guessing scan])
1011                             linux_syscall_method=scan
1012                          fi
1013                    fi
1014                  fi
1015                  if test -f "$LINUX_KERNEL_PATH/include/linux/in_systm.h"; then
1016                   AC_DEFINE(HAVE_IN_SYSTM_H, 1, [define if you have in_systm.h header file])
1017                  fi
1018                  if test -f "$LINUX_KERNEL_PATH/include/linux/mm_inline.h"; then
1019                   AC_DEFINE(HAVE_MM_INLINE_H, 1, [define if you have mm_inline.h header file])
1020                  fi
1021                  if test -f "$LINUX_KERNEL_PATH/include/linux/in_systm.h"; then
1022                   AC_DEFINE(HAVE_IN_SYSTM_H, 1, [define if you have in_systm.h header file])
1023                  fi
1024                  if test "x$ac_cv_linux_exports_sys_chdir" = "xyes" ; then
1025                   AC_DEFINE(EXPORTED_SYS_CHDIR, 1, [define if your linux kernel exports sys_chdir])
1026                  fi
1027                  if test "x$ac_cv_linux_exports_sys_open" = "xyes" ; then
1028                   AC_DEFINE(EXPORTED_SYS_OPEN, 1, [define if your linux kernel exports sys_open])
1029                  fi
1030                  if test "x$ac_cv_linux_exports_sys_close" = "xyes" ; then
1031                   AC_DEFINE(EXPORTED_SYS_CLOSE, 1, [define if your linux kernel exports sys_close])
1032                  fi
1033                  if test "x$ac_cv_linux_exports_sys_wait4" = "xyes" ; then
1034                   AC_DEFINE(EXPORTED_SYS_WAIT4, 1, [define if your linux kernel exports sys_wait4])
1035                  fi
1036                  if test "x$ac_cv_linux_exports_sys_call_table" = "xyes"; then
1037                   AC_DEFINE(EXPORTED_SYS_CALL_TABLE, 1, [define if your linux kernel exports sys_call_table])
1038                  fi
1039                  if test "x$ac_cv_linux_exports_ia32_sys_call_table" = "xyes"; then
1040                   AC_DEFINE(EXPORTED_IA32_SYS_CALL_TABLE, 1, [define if your linux kernel exports ia32_sys_call_table])
1041                  fi
1042                  if test "x$ac_cv_linux_exports_kallsyms_symbol" = "xyes"; then
1043                   AC_DEFINE(EXPORTED_KALLSYMS_SYMBOL, 1, [define if your linux kernel exports kallsyms])
1044                  fi
1045                  if test "x$ac_cv_linux_exports_kallsyms_address" = "xyes"; then
1046                   AC_DEFINE(EXPORTED_KALLSYMS_ADDRESS, 1, [define if your linux kernel exports kallsyms address])
1047                  fi
1048                  if test "x$ac_cv_linux_completion_h_exists" = "xyes" ; then
1049                   AC_DEFINE(COMPLETION_H_EXISTS, 1, [define if completion_h exists])
1050                  fi
1051                  if test "x$ac_cv_linux_config_h_exists" = "xyes" ; then
1052                   AC_DEFINE(CONFIG_H_EXISTS, 1, [define if config.h exists])
1053                  fi
1054                  if test "x$ac_cv_linux_exportfs_h_exists" = "xyes"; then
1055                   AC_DEFINE(EXPORTFS_H_EXISTS, 1, [define if linux/exportfs.h exists])
1056                  fi
1057                  if test "x$ac_cv_linux_key_type_h_exists" = "xyes" ; then
1058                   AC_DEFINE(KEY_TYPE_H_EXISTS, 1, [define if key-type.h exists])
1059                  fi
1060                  if test "x$ac_cv_linux_defines_for_each_process" = "xyes" ; then
1061                   AC_DEFINE(DEFINED_FOR_EACH_PROCESS, 1, [define if for_each_process defined])
1062                  fi
1063                  if test "x$ac_cv_linux_defines_prev_task" = "xyes" ; then
1064                   AC_DEFINE(DEFINED_PREV_TASK, 1, [define if prev_task defined])
1065                  fi
1066                  if test "x$ac_cv_linux_func_inode_setattr_returns_int" = "xyes" ; then
1067                   AC_DEFINE(INODE_SETATTR_NOT_VOID, 1, [define if your setattr return return non-void])
1068                  fi
1069                  if test "x$ac_cv_linux_func_write_inode_returns_int" = "xyes" ; then
1070                   AC_DEFINE(WRITE_INODE_NOT_VOID, 1, [define if your sops.write_inode returns non-void])
1071                  fi
1072                  if test "x$ac_cv_linux_fs_struct_super_has_alloc_inode" = "xyes" ; then
1073                   AC_DEFINE(STRUCT_SUPER_HAS_ALLOC_INODE, 1, [define if your struct super_operations has alloc_inode])
1074                  fi
1075                  if test "x$ac_cv_linux_fs_struct_address_space_has_page_lock" = "xyes"; then
1076                   AC_DEFINE(STRUCT_ADDRESS_SPACE_HAS_PAGE_LOCK, 1, [define if your struct address_space has page_lock])
1077                  fi
1078                  if test "x$ac_cv_linux_fs_struct_address_space_has_gfp_mask" = "xyes"; then
1079                   AC_DEFINE(STRUCT_ADDRESS_SPACE_HAS_GFP_MASK, 1, [define if your struct address_space has gfp_mask])
1080                  fi
1081                  if test "x$ac_cv_linux_fs_struct_inode_has_i_truncate_sem" = "xyes"; then
1082                   AC_DEFINE(STRUCT_INODE_HAS_I_TRUNCATE_SEM, 1, [define if your struct inode has truncate_sem])
1083                  fi
1084                  if test "x$ac_cv_linux_fs_struct_inode_has_i_alloc_sem" = "xyes"; then
1085                   AC_DEFINE(STRUCT_INODE_HAS_I_ALLOC_SEM, 1, [define if your struct inode has alloc_sem])
1086                  fi
1087                  if test "x$ac_cv_linux_fs_struct_inode_has_i_blksize" = "xyes"; then
1088                   AC_DEFINE(STRUCT_INODE_HAS_I_BLKSIZE, 1, [define if your struct inode has i_blksize])
1089                  fi
1090                  if test "x$ac_cv_linux_fs_struct_inode_has_i_devices" = "xyes"; then
1091                   AC_DEFINE(STRUCT_INODE_HAS_I_DEVICES, 1, [define if you struct inode has i_devices])
1092                  fi
1093                  if test "x$ac_cv_linux_fs_struct_inode_has_i_security" = "xyes"; then
1094                   AC_DEFINE(STRUCT_INODE_HAS_I_SECURITY, 1, [define if you struct inode has i_security])
1095                  fi
1096                  if test "x$ac_cv_linux_fs_struct_inode_has_i_mutex" = "xyes"; then
1097                   AC_DEFINE(STRUCT_INODE_HAS_I_MUTEX, 1, [define if you struct inode has i_mutex])
1098                  fi
1099                  if test "x$ac_cv_linux_fs_struct_inode_has_i_sb_list" = "xyes"; then
1100                   AC_DEFINE(STRUCT_INODE_HAS_I_SB_LIST, 1, [define if you struct inode has i_sb_list])
1101                  fi
1102                  if test "x$ac_cv_linux_fs_struct_inode_has_i_dirty_data_buffers" = "xyes"; then
1103                   AC_DEFINE(STRUCT_INODE_HAS_I_DIRTY_DATA_BUFFERS, 1, [define if your struct inode has data_buffers])
1104                  fi
1105                  if test "x$ac_cv_linux_fs_struct_inode_has_inotify_lock" = "xyes"; then
1106                   AC_DEFINE(STRUCT_INODE_HAS_INOTIFY_LOCK, 1, [define if your struct inode has inotify_lock])
1107                  fi
1108                  if test "x$ac_cv_linux_fs_struct_inode_has_inotify_sem" = "xyes"; then
1109                   AC_DEFINE(STRUCT_INODE_HAS_INOTIFY_SEM, 1, [define if your struct inode has inotify_sem])
1110                  fi
1111                  if test "x$ac_cv_linux_func_recalc_sigpending_takes_void" = "xyes"; then
1112                   AC_DEFINE(RECALC_SIGPENDING_TAKES_VOID, 1, [define if your recalc_sigpending takes void])
1113                  fi
1114                  if test "x$ac_cv_linux_kernel_posix_lock_file_wait_arg" = "xyes" ; then
1115                   AC_DEFINE(POSIX_LOCK_FILE_WAIT_ARG, 1, [define if your linux kernel uses 3 arguments for posix_lock_file])
1116                  fi
1117                  if test "x$ac_cv_linux_kernel_is_selinux" = "xyes" ; then
1118                   AC_DEFINE(LINUX_KERNEL_IS_SELINUX, 1, [define if your linux kernel uses SELinux features])
1119                  fi
1120                  if test "x$ac_cv_linux_kernel_sock_create_v" = "xyes" ; then
1121                   AC_DEFINE(LINUX_KERNEL_SOCK_CREATE_V, 1, [define if your linux kernel uses 5 arguments for sock_create])
1122                  fi
1123                  if test "x$ac_cv_linux_kernel_page_follow_link" = "xyes" ; then
1124                   AC_DEFINE(HAVE_KERNEL_PAGE_FOLLOW_LINK, 1, [define if your linux kernel provides page_follow_link])
1125                  fi
1126                  if test "x$ac_cv_linux_kernel_hlist_unhashed" = "xyes" ; then
1127                   AC_DEFINE(HAVE_KERNEL_HLIST_UNHASHED, 1, [define if your linux kernel provides hlist_unhashed])
1128                  fi
1129                  if test "x$ac_linux_syscall" = "xyes" ; then
1130                   AC_DEFINE(HAVE_KERNEL_LINUX_SYSCALL_H, 1, [define if your linux kernel has linux/syscall.h])
1131                  fi
1132                  if test "x$ac_linux_seq_file" = "xyes" ; then
1133                   AC_DEFINE(HAVE_KERNEL_LINUX_SEQ_FILE_H, 1, [define if your linux kernel has linux/seq_file.h])
1134                  fi
1135                  if test "x$ac_cv_linux_sched_struct_task_struct_has_parent" = "xyes"; then
1136                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_PARENT, 1, [define if your struct task_struct has parent])
1137                  fi
1138                  if test "x$ac_cv_linux_sched_struct_task_struct_has_real_parent" = "xyes"; then
1139                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_REAL_PARENT, 1, [define if your struct task_struct has real_parent])
1140                  fi
1141                  if test "x$ac_cv_linux_sched_struct_task_struct_has_sigmask_lock" = "xyes"; then
1142                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_SIGMASK_LOCK, 1, [define if your struct task_struct has sigmask_lock])
1143                  fi
1144                  if test "x$ac_cv_linux_sched_struct_task_struct_has_sighand" = "xyes"; then
1145                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_SIGHAND, 1, [define if your struct task_struct has sighand])
1146                  fi
1147                  if test "x$ac_cv_linux_sched_struct_task_struct_has_sig" = "xyes"; then
1148                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_SIG, 1, [define if your struct task_struct has sig])
1149                  fi
1150                  if test "x$ac_cv_linux_sched_struct_task_struct_has_rlim" = "xyes"; then
1151                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_RLIM, 1, [define if your struct task_struct has rlim])
1152                  fi
1153                  if test "x$ac_cv_linux_sched_struct_task_struct_has_signal_rlim" = "xyes"; then
1154                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_SIGNAL_RLIM, 1, [define if your struct task_struct has signal->rlim])
1155                  fi
1156                  if test "x$ac_cv_linux_sched_struct_task_struct_has_exit_state" = "xyes"; then
1157                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_EXIT_STATE, 1, [define if your struct task_struct has exit_state])
1158                  fi
1159                  if test "x$ac_cv_linux_sched_struct_task_struct_has_tgid" = "xyes"; then
1160                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_TGID, 1, [define if your struct task_struct has tgid])
1161                  fi
1162                  if test "x$ac_cv_linux_sched_struct_task_struct_has_todo" = "xyes"; then
1163                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_TODO, 1, [define if your struct task_struct has todo])
1164                  fi
1165                  if test "x$ac_cv_linux_sched_struct_task_struct_has_thread_info" = "xyes"; then
1166                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_THREAD_INFO, 1, [define if your struct task_struct has thread_info])
1167                  fi
1168                  if test "x$ac_cv_linux_get_sb_has_struct_vfsmount" = "xyes"; then
1169                   AC_DEFINE(GET_SB_HAS_STRUCT_VFSMOUNT, 1, [define if your get_sb_nodev needs a struct vfsmount argument])
1170                  fi
1171                  if test "x$ac_cv_linux_statfs_takes_dentry" = "xyes"; then
1172                   AC_DEFINE(STATFS_TAKES_DENTRY, 1, [define if your statfs takes a dentry argument])
1173                  fi
1174                  if test "x$ac_cv_linux_func_a_writepage_takes_writeback_control" = "xyes" ; then
1175                   AC_DEFINE(AOP_WRITEPAGE_TAKES_WRITEBACK_CONTROL, 1, [define if your aops.writepage takes a struct writeback_control argument])
1176                  fi
1177                  if test "x$ac_cv_linux_func_refrigerator_takes_pf_freeze" = "xyes" ; then
1178                   AC_DEFINE(LINUX_REFRIGERATOR_TAKES_PF_FREEZE, 1, [define if your refrigerator takes PF_FREEZE])
1179                  fi
1180                  if test "x$ac_cv_linux_func_i_create_takes_nameidata" = "xyes" ; then
1181                   AC_DEFINE(IOP_CREATE_TAKES_NAMEIDATA, 1, [define if your iops.create takes a nameidata argument])
1182                  fi
1183                  if test "x$ac_cv_linux_func_f_flush_takes_fl_owner_t" = "xyes" ; then
1184                   AC_DEFINE(FOP_FLUSH_TAKES_FL_OWNER_T, 1, [define if your fops.flush takes an fl_owner_t argument])
1185                  fi
1186                  if test "x$ac_cv_linux_func_i_lookup_takes_nameidata" = "xyes" ; then
1187                   AC_DEFINE(IOP_LOOKUP_TAKES_NAMEIDATA, 1, [define if your iops.lookup takes a nameidata argument])
1188                  fi
1189                  if test "x$ac_cv_linux_func_i_permission_takes_nameidata" = "xyes" ; then
1190                   AC_DEFINE(IOP_PERMISSION_TAKES_NAMEIDATA, 1, [define if your iops.permission takes a nameidata argument])
1191                  fi
1192                  if test "x$ac_cv_linux_func_d_revalidate_takes_nameidata" = "xyes" ; then
1193                   AC_DEFINE(DOP_REVALIDATE_TAKES_NAMEIDATA, 1, [define if your dops.d_revalidate takes a nameidata argument])
1194                  fi
1195                  if test "x$ac_cv_linux_init_work_has_data" = "xyes" ; then
1196                   AC_DEFINE(INIT_WORK_HAS_DATA, 1, [define if INIT_WORK takes a data (3rd) argument])
1197                  fi
1198                  if test "x$ac_cv_linux_fs_struct_fop_has_flock" = "xyes" ; then
1199                   AC_DEFINE(STRUCT_FILE_OPERATIONS_HAS_FLOCK, 1, [define if your struct file_operations has flock])
1200                  fi
1201                  if test "x$ac_cv_linux_fs_struct_fop_has_sendfile" = "xyes" ; then
1202                   AC_DEFINE(STRUCT_FILE_OPERATIONS_HAS_SENDFILE, 1, [define if your struct file_operations has sendfile])
1203                  fi
1204                  if test "x$ac_cv_linux_fs_struct_fop_has_splice" = "xyes" ; then
1205                   AC_DEFINE(STRUCT_FILE_OPERATIONS_HAS_SPLICE, 1, [define if your struct file_operations has splice_write and splice_read])
1206                  fi
1207                  if test "x$ac_cv_linux_register_sysctl_table_noflag" = "xyes" ; then
1208                   AC_DEFINE(REGISTER_SYSCTL_TABLE_NOFLAG, 1, [define if register_sysctl_table has no insert_at head flag])
1209                  fi
1210                  if test "x$ac_cv_linux_sysctl_table_checking" = "xyes" ; then
1211                   AC_DEFINE(SYSCTL_TABLE_CHECKING, 1, [define if your kernel has sysctl table checking])
1212                  fi
1213                  if test "x$ac_cv_linux_have_iget" = "xyes" ; then
1214                   AC_DEFINE(HAVE_IGET, 1, [define if your kernel has iget])
1215                  fi
1216                  if test "x$ac_cv_linux_struct_nameidata_has_path" = "xyes" ; then
1217                   AC_DEFINE(STRUCT_NAMEIDATA_HAS_PATH, 1, [define if your struct nameidata has path])
1218                  fi
1219                  if test "x$ac_cv_linux_exports_init_mm" = "xyes" ; then
1220                   AC_DEFINE(EXPORTED_INIT_MM, 1, [define if your kernel exports init_mm])
1221                  fi
1222                  if test "x$ac_cv_linux_exports_tasklist_lock" = "xyes" ; then
1223                   AC_DEFINE(EXPORTED_TASKLIST_LOCK, 1, [define if tasklist_lock exported])
1224                  fi
1225                  if test "x$ac_cv_linux_have_kmem_cache_t" = "xyes" ; then
1226                   AC_DEFINE(HAVE_KMEM_CACHE_T, 1, [define if kmem_cache_t exists])
1227                  fi
1228                  if test "x$ac_cv_linux_kmem_cache_init" = "xyes" ; then
1229                   AC_DEFINE(KMEM_CACHE_INIT, 1, [define for new kmem_cache init function parameters])
1230                  fi
1231                  if test "x$ac_cv_linux_have_current_kernel_time" = "xyes" ; then
1232                   AC_DEFINE(HAVE_CURRENT_KERNEL_TIME, 1, [define if current_kernel_time() exists])
1233                  fi
1234                  if test "x$ac_cv_linux_have_kmem_cache_t" = "xyes" ; then
1235                   AC_DEFINE(KMEM_CACHE_TAKES_DTOR, 1, [define if kmem_cache_create takes a destructor argument])
1236                  fi
1237                  if test "x$ac_cv_linux_kernel_page_follow_link" = "xyes" -o "x$ac_cv_linux_func_i_put_link_takes_cookie" = "xyes"; then
1238                   AC_DEFINE(USABLE_KERNEL_PAGE_SYMLINK_CACHE, 1, [define if your kernel has a usable symlink cache API])
1239                  else
1240                   AC_MSG_WARN([your kernel does not have a usable symlink cache API])
1241                  fi
1242                  if test "x$ac_cv_linux_have_svc_addr_in" = "xyes"; then
1243                   AC_DEFINE(HAVE_SVC_ADDR_IN, 1, [define if svc_add_in exists])
1244                  fi
1245                 :
1246                 fi
1247 esac
1248
1249 case $AFS_SYSNAME in
1250         *_darwin*)
1251                 DARWIN_PLIST=src/libafs/afs.${AFS_SYSNAME}.plist
1252                 DARWIN_INFOFILE=afs.${AFS_SYSNAME}.plist
1253                 dnl the test below fails on darwin, even if the CPPFLAGS below
1254                 dnl are added. the headers from Kernel.framework must be used
1255                 dnl when KERNEL is defined.
1256
1257                 dnl really, such a thing isn't guaranteed to work on any
1258                 dnl platform until the kernel cflags from MakefileProto are
1259                 dnl known to configure
1260                 AC_DEFINE(HAVE_STRUCT_BUF, 1, [define if you have a struct buf])
1261                 ;;
1262         *)
1263 AC_MSG_CHECKING(for definition of struct buf)
1264 dnl save_CPPFLAGS="$CPPFLAGS"
1265 dnl CPPFLAGS="$CPPFLAGS -DKERNEL -D_KERNEL -D__KERNEL -D__KERNEL__"
1266 AC_CACHE_VAL(ac_cv_have_struct_buf, [
1267         ac_cv_have_struct_buf=no
1268         AC_TRY_COMPILE(
1269                 [#include <sys/buf.h>],
1270                 [struct buf x;
1271                 printf("%d\n", sizeof(x));],
1272                 ac_cv_have_struct_buf=yes,)
1273         ]
1274 )
1275 dnl CPPFLAGS="$save_CPPFLAGS"
1276 AC_MSG_RESULT($ac_cv_have_struct_buf)
1277 if test "$ac_cv_have_struct_buf" = yes; then
1278         AC_DEFINE(HAVE_STRUCT_BUF, 1, [define if you have a struct buf])
1279 fi
1280 ;;
1281 esac
1282
1283
1284 AC_CACHE_VAL(ac_cv_sockaddr_len,
1285 [
1286 AC_MSG_CHECKING([if struct sockaddr has sa_len field])
1287 AC_TRY_COMPILE( [#include <sys/types.h>
1288 #include <sys/socket.h>],
1289 [struct sockaddr *a;
1290 a->sa_len=0;], ac_cv_sockaddr_len=yes, ac_cv_sockaddr_len=no)
1291 AC_MSG_RESULT($ac_cv_sockaddr_len)])
1292 if test "$ac_cv_sockaddr_len" = "yes"; then
1293    AC_DEFINE(STRUCT_SOCKADDR_HAS_SA_LEN, 1, [define if you struct sockaddr sa_len])
1294 fi
1295 if test "x${MKAFS_OSTYPE}" = "xIRIX"; then
1296         echo Skipping library tests because they confuse Irix.
1297 else
1298   AC_CHECK_FUNCS(socket)
1299
1300   if test "$ac_cv_func_socket" = no; then
1301     for lib in socket inet; do
1302         if test "$HAVE_SOCKET" != 1; then
1303                 AC_CHECK_LIB(${lib}, socket,LIBS="$LIBS -l$lib";HAVE_SOCKET=1;AC_DEFINE(HAVE_SOCKET, 1, [define if you have socket]))
1304         fi
1305     done
1306   fi
1307
1308   AC_CHECK_FUNCS(connect)
1309
1310   if test "$ac_cv_func_connect" = no; then
1311     for lib in nsl; do
1312         if test "$HAVE_CONNECT" != 1; then
1313                 AC_CHECK_LIB(${lib}, connect,LIBS="$LIBS -l$lib";HAVE_CONNECT=1;AC_DEFINE(HAVE_CONNECT, 1, [define if you have connect]))
1314         fi
1315     done
1316   fi
1317
1318   AC_CHECK_FUNCS(gethostbyname)
1319   if test "$ac_cv_func_gethostbyname" = no; then
1320         for lib in dns nsl resolv; do
1321           if test "$HAVE_GETHOSTBYNAME" != 1; then
1322             AC_CHECK_LIB(${lib}, gethostbyname, LIBS="$LIBS -l$lib";HAVE_GETHOSTBYNAME=1;AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [define if you have gethostbyname]))
1323           fi
1324         done
1325   fi
1326
1327   dnl darwin wants it, aix hates it
1328   AC_MSG_CHECKING(for the useability of arpa/nameser_compat.h)
1329   AC_TRY_COMPILE([
1330   #include <stdlib.h>
1331   #include <stdio.h>
1332   #include <sys/types.h>
1333   #include <sys/socket.h>
1334   #include <netinet/in.h>
1335   #include <arpa/inet.h>
1336   #include <arpa/nameser.h>
1337   #include <arpa/nameser_compat.h>
1338   #include <resolv.h>
1339   ], [static int i; i = 0;],
1340   [AC_MSG_RESULT(yes)
1341    AC_DEFINE(HAVE_ARPA_NAMESER_COMPAT_H, 1, [define if arpa/nameser_compat.h exists])],
1342   [AC_MSG_RESULT(no)
1343    ])
1344
1345   openafs_save_libs="$LIBS"
1346   AC_MSG_CHECKING([for res_search])
1347   AC_FUNC_RES_SEARCH
1348
1349   if test "$ac_cv_func_res_search" = no; then
1350       for lib in dns nsl resolv; do
1351         if test "$ac_cv_func_res_search" != yes; then
1352           LIBS="-l$lib $LIBS"
1353           AC_FUNC_RES_SEARCH
1354           LIBS="$openafs_save_libs"
1355         fi
1356       done
1357       if test "$ac_cv_func_res_search" = yes; then
1358         LIB_res_search="-l$lib"
1359         AC_DEFINE(HAVE_RES_SEARCH, 1, [])
1360         AC_MSG_RESULT([yes, in lib$lib])
1361       else
1362         AC_MSG_RESULT(no)
1363       fi
1364   else
1365     AC_DEFINE(HAVE_RES_SEARCH, 1, [])
1366     AC_MSG_RESULT(yes)
1367   fi
1368
1369 fi
1370
1371 AC_CACHE_VAL(ac_cv_setsockopt_iprecverr,
1372 [
1373 AC_MSG_CHECKING([for setsockopt(, SOL_IP, IP_RECVERR)])
1374 AC_TRY_COMPILE( [#include <sys/types.h>
1375 #include <sys/socket.h>
1376 #include <netinet/in.h>],
1377 [int on=1;
1378 setsockopt(0, SOL_IP, IP_RECVERR, &on, sizeof(on));], ac_cv_setsockopt_iprecverr=yes, ac_cv_setsockopt_iprecverr=no)
1379 AC_MSG_RESULT($ac_cv_setsockopt_iprecverr)])
1380 if test "$ac_cv_setsockopt_iprecverr" = "yes"; then
1381    AC_DEFINE(ADAPT_PMTU_RECVERR, 1, [define if asynchronous socket errors can be received])
1382 fi
1383
1384 PTHREAD_LIBS=error
1385 if test "x$MKAFS_OSTYPE" = OBSD; then
1386         PTHREAD_LIBS="-pthread"
1387 fi
1388 if test "x$MKAFS_OSTYPE" = xDFBSD; then
1389         PTHREAD_LIBS="-pthread"
1390 fi
1391 if test "x$PTHREAD_LIBS" = xerror; then
1392         AC_CHECK_LIB(pthread, pthread_attr_init,
1393                 PTHREAD_LIBS="-lpthread")
1394 fi
1395 if test "x$PTHREAD_LIBS" = xerror; then
1396         AC_CHECK_LIB(pthreads, pthread_attr_init,
1397                 PTHREAD_LIBS="-lpthreads")
1398 fi
1399 if test "x$PTHREAD_LIBS" = xerror; then
1400         AC_CHECK_LIB(c_r, pthread_attr_init,
1401                 PTHREAD_LIBS="-lc_r")
1402 fi
1403 if test "x$PTHREAD_LIBS" = xerror; then
1404         AC_CHECK_FUNC(pthread_attr_init, PTHREAD_LIBS="")
1405 fi
1406 if test "x$PTHREAD_LIBS" = xerror; then
1407         # pthread_attr_init is a macro under HPUX 11.0 and 11.11
1408         AC_CHECK_LIB(pthread, pthread_attr_destroy,
1409                 PTHREAD_LIBS="-lpthread")
1410 fi
1411 if test "x$PTHREAD_LIBS" = xerror; then
1412         AC_MSG_WARN(*** Unable to locate working posix thread library ***)
1413 fi
1414 AC_SUBST(PTHREAD_LIBS)
1415
1416 WITH_OBSOLETE=NO
1417 if test "$enable_obsolete" = "yes"; then
1418         WITH_OBSOLETE=YES
1419 fi
1420
1421 HOST_CPU="$host_cpu"
1422
1423 if test "x$with_bsd_kernel_headers" != "x"; then
1424         BSD_KERNEL_PATH="$with_bsd_kernel_headers"
1425 else
1426         BSD_KERNEL_PATH="/usr/src/sys"
1427 fi
1428
1429 if test "x$with_bsd_kernel_build" != "x"; then
1430         BSD_KERNEL_BUILD="$with_bsd_kernel_build"
1431 else
1432         case $AFS_SYSNAME in
1433                 *_fbsd_4?)
1434                         BSD_KERNEL_BUILD="${BSD_KERNEL_PATH}/compile/GENERIC"
1435                         ;;
1436                 *_fbsd_*)
1437                         BSD_KERNEL_BUILD="${BSD_KERNEL_PATH}/${HOST_CPU}/compile/GENERIC"
1438                         ;;
1439         esac
1440 fi
1441
1442 # Fast restart
1443 if test "$enable_supergroups" = "yes"; then
1444         AC_DEFINE(SUPERGROUPS, 1, [define if you want to have support for nested pts groups])
1445 fi
1446
1447 if test "$enable_fast_restart" = "yes"; then
1448         AC_DEFINE(FAST_RESTART, 1, [define if you want to have fast restart])
1449 fi
1450
1451 if test "$enable_bitmap_later" = "yes"; then
1452         AC_DEFINE(BITMAP_LATER, 1, [define if you want to salvager to check bitmasks later])
1453 fi
1454
1455 if test "$enable_demand_attach_fs" = "yes"; then
1456         AC_DEFINE(DEMAND_ATTACH_ENABLE, 1, [define if you want the demand attach fileserver])
1457         DEMAND_ATTACH="yes"
1458 else
1459         DEMAND_ATTACH="no"
1460 fi
1461 AC_SUBST(DEMAND_ATTACH)
1462
1463 if test "$enable_disconnected" = "yes"; then
1464         AC_DEFINE(AFS_DISCON_ENV, 1, [define if you want support for disconnected operation])
1465 fi
1466
1467 if test "$enable_unix_sockets" = "yes"; then
1468         AC_DEFINE(USE_UNIX_SOCKETS, 1, [define if you want to use UNIX sockets for fssync.])
1469         USE_UNIX_SOCKETS="yes"
1470 else
1471         USE_UNIX_SOCKETS="no"
1472 fi
1473 AC_SUBST(USE_UNIX_SOCKETS)
1474
1475 if test "$enable_fast_restart" = "yes" &&
1476    test "$enable_demand_attach_fs" = "yes" ; then
1477         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.])
1478         exit 1
1479 fi
1480
1481 if test "$enable_full_vos_listvol_switch" = "yes"; then
1482         AC_DEFINE(FULL_LISTVOL_SWITCH, 1, [define if you want to want listvol switch])
1483 fi
1484
1485 if test "$enable_icmp_pmtu_discovery" = "yes"; then
1486    if test "$ac_cv_setsockopt_iprecverr" = "yes"; then
1487         AC_DEFINE(ADAPT_PMTU, 1, [define if you want to decode icmp unreachable packets to discover path mtu])
1488    fi
1489 fi
1490
1491 if test "$enable_bos_restricted_mode" = "yes"; then
1492         AC_DEFINE(BOS_RESTRICTED_MODE, 1, [define if you want to want bos restricted mode])
1493 fi
1494
1495 if test "$enable_bos_new_config" = "yes"; then
1496         AC_DEFINE(BOS_NEW_CONFIG, 1, [define if you want to enable automatic renaming of BosConfig.new to BosConfig at startup])
1497 fi
1498
1499 if test "$enable_largefile_fileserver" = "yes"; then
1500         AC_DEFINE(AFS_LARGEFILE_ENV, 1, [define if you want large file fileserver])
1501 fi
1502
1503 if test "$enable_cache_bypass" = "yes"; then
1504         AC_DEFINE(AFS_CACHE_BYPASS, 1, [define to activate cache bypassing Unix client])
1505 fi
1506
1507 if test "$enable_namei_fileserver" = "yes"; then
1508         AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1509 else
1510         if test "$enable_namei_fileserver" = "default"; then
1511                 case $host in
1512                         *-solaris2.10*)
1513                                 AC_MSG_WARN(Some Solaris 10 versions are not safe with the inode fileserver. Forcing namei. Override with --disable-namei-fileserver)
1514                                 AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1515                                 ;;
1516                         *-solaris2.11*)
1517                                 AC_MSG_WARN(Solaris 11 versions are not safe with the inode fileserver. Forcing namei. Override with --disable-namei-fileserver)
1518                                 AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1519                                 ;;
1520                         *)
1521                                 ;;
1522                 esac
1523         fi
1524 fi
1525
1526 if test "$enable_afsdb" = "yes"; then
1527         LIB_AFSDB="$LIB_res_search"
1528         AC_DEFINE(AFS_AFSDB_ENV, 1, [define if you want to want search afsdb rr])
1529 fi
1530
1531 dnl check for tivoli
1532 AC_MSG_CHECKING(for tivoli tsm butc support)
1533 XBSA_CFLAGS=""
1534 if test "$enable_tivoli_tsm" = "yes"; then
1535         XBSADIR1=/usr/tivoli/tsm/client/api/bin/xopen
1536         XBSADIR2=/opt/tivoli/tsm/client/api/bin/xopen
1537         XBSADIR3=/usr/tivoli/tsm/client/api/bin/sample
1538         XBSADIR4=/opt/tivoli/tsm/client/api/bin/sample
1539
1540         if test -r "$XBSADIR3/dsmapifp.h"; then
1541                 XBSA_CFLAGS="-Dxbsa -DNEW_XBSA -I$XBSADIR3"
1542                 XBSA_XLIBS="-ldl"
1543                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1544         elif test -r "$XBSADIR4/dsmapifp.h"; then
1545                 XBSA_CFLAGS="-Dxbsa -DNEW_XBSA -I$XBSADIR4"
1546                 XBSA_XLIBS="-ldl"
1547                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1548         elif test -r "$XBSADIR1/xbsa.h"; then
1549                 XBSA_CFLAGS="-Dxbsa -I$XBSADIR1"
1550                 XBSA_XLIBS=""
1551                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1552         elif test -r "$XBSADIR2/xbsa.h"; then
1553                 XBSA_CFLAGS="-Dxbsa -I$XBSADIR2"
1554                 XBSA_XLIBS=""
1555                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1556         else
1557                 AC_MSG_RESULT([no, missing xbsa.h and dsmapifp.h header files])
1558         fi
1559 else
1560         AC_MSG_RESULT([no])
1561 fi
1562 AC_SUBST(XBSA_CFLAGS)
1563 AC_SUBST(XBSA_XLIBS)
1564
1565 dnl checks for header files.
1566 AC_HEADER_STDC
1567 AC_HEADER_SYS_WAIT
1568 AC_HEADER_DIRENT
1569 AC_CHECK_HEADERS(stdlib.h string.h unistd.h poll.h fcntl.h sys/time.h sys/file.h)
1570 AC_CHECK_HEADERS(netinet/in.h netdb.h sys/fcntl.h sys/mnttab.h sys/mntent.h)
1571 AC_CHECK_HEADERS(mntent.h sys/vfs.h sys/param.h sys/fs_types.h sys/fstyp.h)
1572 AC_CHECK_HEADERS(sys/mount.h strings.h termios.h signal.h poll.h sys/pag.h)
1573 AC_CHECK_HEADERS(windows.h malloc.h winsock2.h direct.h io.h sys/user.h)
1574 AC_CHECK_HEADERS(security/pam_modules.h siad.h usersec.h ucontext.h regex.h values.h sys/statvfs.h sys/statfs.h sys/bitypes.h)
1575 AC_CHECK_HEADERS(linux/errqueue.h,,,[#include <linux/types.h>])
1576
1577 AC_CHECK_TYPES([fsblkcnt_t],,,[
1578 #include <sys/types.h>
1579 #ifdef HAVE_SYS_BITYPES_H
1580 #include <sys/bitypes.h>
1581 #endif
1582 #ifdef HAVE_SYS_STATFS_H
1583 #include <sys/statfs.h>
1584 #endif
1585 #ifdef HAVE_SYS_STATVFS_H
1586 #include <sys/statvfs.h>
1587 #endif
1588 ])
1589
1590 if test "$ac_cv_header_security_pam_modules_h" = yes -a "$enable_pam" = yes; then
1591         HAVE_PAM="yes"
1592 else
1593         HAVE_PAM="no"
1594 fi
1595 AC_SUBST(HAVE_PAM)
1596
1597 if test "$enable_login" = yes; then
1598         BUILD_LOGIN="yes"
1599 else
1600         BUILD_LOGIN="no"
1601 fi
1602 AC_SUBST(BUILD_LOGIN)
1603
1604 AC_CHECK_FUNCS(utimes random srandom getdtablesize snprintf strlcat strlcpy re_comp re_exec flock)
1605 AC_CHECK_FUNCS(setprogname getprogname sigaction mkstemp vsnprintf strerror strcasestr)
1606 AC_CHECK_FUNCS(setvbuf vsyslog)
1607 AC_FUNC_SETVBUF_REVERSED
1608 AC_CHECK_FUNCS(regcomp regexec regerror)
1609 AC_MSG_CHECKING([for POSIX regex library])
1610 if test "$ac_cv_header_regex_h" = "yes" && \
1611         test "$ac_cv_func_regcomp" = "yes" && \
1612         test "$ac_cv_func_regexec" = "yes" && \
1613         test "$ac_cv_func_regerror" = "yes"; then
1614     AC_DEFINE(HAVE_POSIX_REGEX, 1, [define if you have POSIX regex library])
1615     AC_MSG_RESULT(yes)
1616 else
1617     AC_MSG_RESULT(no)
1618 fi
1619
1620 AC_CHECK_TYPE(ssize_t, int)
1621 AC_SIZEOF_TYPE(long)
1622
1623 AC_CHECK_FUNCS(timegm)
1624 AC_CHECK_FUNCS(daemon)
1625
1626 dnl Directory PATH handling
1627 if test "x$enable_transarc_paths" = "xyes"  ; then
1628     afsconfdir=${afsconfdir=/usr/afs/etc}
1629     viceetcdir=${viceetcdir=/usr/vice/etc}
1630     afskerneldir=${afskerneldir=${viceetcdir}}
1631     afssrvbindir=${afssrvbindir=/usr/afs/bin}
1632     afssrvsbindir=${afssrvsbindir=/usr/afs/bin}
1633     afssrvlibexecdir=${afssrvlibexecdir=/usr/afs/bin}
1634     afsdbdir=${afsdbdir=/usr/afs/db}
1635     afslogsdir=${afslogsdir=/usr/afs/logs}
1636     afslocaldir=${afslocaldir=/usr/afs/local}
1637     afsbackupdir=${afsbackupdir=/usr/afs/backup}
1638     afsbosconfigdir=${afsbosconfigdir=/usr/afs/local}
1639 else
1640     afsconfdir=${afsconfdir='${sysconfdir}/openafs/server'}
1641     viceetcdir=${viceetcdir='${sysconfdir}/openafs'}
1642     afskerneldir=${afskerneldir='${libdir}/openafs'}
1643     afssrvbindir=${afssrvbindir='${bindir}'}
1644     afssrvsbindir=${afssrvsbindir='${sbindir}'}
1645     afssrvlibexecdir=${afssrvlibexecdir='${libexecdir}/openafs'}
1646     afsdbdir=${afsdbdir='${localstatedir}/openafs/db'}
1647     afslogsdir=${afslogsdir='${localstatedir}/openafs/logs'}
1648     afslocaldir=${afslocaldir='${localstatedir}/openafs'}
1649     afsbackupdir=${afsbackupdir='${localstatedir}/openafs/backup'}
1650     afsbosconfigdir=${afsbosconfigdir='${sysconfdir}/openafs'}
1651 fi
1652 AC_SUBST(afsconfdir)
1653 AC_SUBST(viceetcdir)
1654 AC_SUBST(afskerneldir)
1655 AC_SUBST(afssrvbindir)
1656 AC_SUBST(afssrvsbindir)
1657 AC_SUBST(afssrvlibexecdir)
1658 AC_SUBST(afsdbdir)
1659 AC_SUBST(afslogsdir)
1660 AC_SUBST(afslocaldir)
1661 AC_SUBST(afsbackupdir)
1662 AC_SUBST(afsbosconfigdir)
1663
1664 if test "x$enable_kernel_module" = "xyes"; then
1665 ENABLE_KERNEL_MODULE=libafs
1666 fi
1667
1668 if test "x$enable_pthreaded_ubik" = "xyes"; then
1669 ENABLE_PTHREADED_UBIK=yes
1670 fi
1671
1672 AC_SUBST(AFS_SYSNAME)
1673 AC_SUBST(AFS_PARAM_COMMON)
1674 AC_SUBST(ENABLE_KERNEL_MODULE)
1675 AC_SUBST(ENABLE_PTHREADED_UBIK)
1676 AC_SUBST(LIB_AFSDB)
1677 AC_SUBST(LINUX_KERNEL_PATH)
1678 AC_SUBST(LINUX_KERNEL_BUILD)
1679 AC_SUBST(HOST_CPU)
1680 AC_SUBST(BSD_KERNEL_PATH)
1681 AC_SUBST(BSD_KERNEL_BUILD)
1682 AC_SUBST(LINUX_VERSION)
1683 AC_SUBST(MKAFS_OSTYPE)
1684 AC_SUBST(TOP_OBJDIR)
1685 AC_SUBST(TOP_SRCDIR)
1686 AC_SUBST(TOP_INCDIR)
1687 AC_SUBST(TOP_LIBDIR)
1688 AC_SUBST(DEST)
1689 AC_SUBST(WITH_OBSOLETE)
1690 AC_SUBST(DARWIN_INFOFILE)
1691 AC_SUBST(IRIX_BUILD_IP35)
1692 AC_SUBST(HTML_XSL)
1693 AC_SUBST(XSLTPROC)
1694
1695 OPENAFS_OSCONF
1696 OPENAFS_KRB5CONF
1697
1698 TOP_SRCDIR="${srcdir}/src"
1699 dnl
1700 dnl If we're using ./configure, need a more reasonable TOP_SRCDIR, since relative links don't work everywhere
1701 dnl
1702 case $TOP_SRCDIR in
1703         /*)
1704                 ;;
1705         *)
1706                 TOP_SRCDIR=`cd $TOP_SRCDIR; pwd`
1707                 ;;
1708 esac
1709
1710 TOP_OBJDIR="${SRCDIR_PARENT}"
1711 TOP_INCDIR="${SRCDIR_PARENT}/include"
1712 TOP_LIBDIR="${SRCDIR_PARENT}/lib"
1713 if test "${DEST}x" = "x"; then
1714         DEST="${SRCDIR_PARENT}/${AFS_SYSNAME}/dest"
1715 fi
1716
1717 HELPER_SPLINT="${TOP_SRCDIR}/helper-splint.sh"
1718 HELPER_SPLINTCFG="${TOP_SRCDIR}/splint.cfg"
1719 AC_SUBST(HELPER_SPLINT)
1720 AC_SUBST(HELPER_SPLINTCFG)
1721
1722 mkdir -p ${TOP_OBJDIR}/src/JAVA/libjafs
1723
1724 ])