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([OPENAFS_HEADER],
   9 [#undef HAVE_CONNECT
  10 #undef HAVE_GETHOSTBYNAME
  11 #undef HAVE_RES_SEARCH
  12 #undef HAVE_SOCKET
  13 #undef STRUCT_SOCKADDR_HAS_SA_LEN
  14 #if !defined(__BIG_ENDIAN__) && !defined(__LITTLE_ENDIAN__)
  15 # if ENDIANESS_IN_SYS_PARAM_H
  16 #  ifndef KERNEL
  17 #   include <sys/types.h>
  18 #   include <sys/param.h>
  19 #   if BYTE_ORDER == BIG_ENDIAN
  20 #   define WORDS_BIGENDIAN 1
  21 #   endif
  22 #  else
  23 #   if defined(AUTOCONF_FOUND_BIGENDIAN)
  24 #    define WORDS_BIGENDIAN 1
  25 #   else
  26 #    undef WORDS_BIGENDIAN
  27 #   endif
  28 #  endif
  29 # else
  30 #  if defined(AUTOCONF_FOUND_BIGENDIAN)
  31 #   define WORDS_BIGENDIAN 1
  32 #  else
  33 #   undef WORDS_BIGENDIAN
  34 #  endif
  35 # endif
  36 #else
  37 # if defined(__BIG_ENDIAN__)
  38 #  define WORDS_BIGENDIAN 1
  39 # else
  40 #  undef WORDS_BIGENDIAN
  41 # endif
  42 #endif
  43 #ifdef UKERNEL
  44 /*
  45  * Always use 64-bit file offsets for UKERNEL code. Needed for UKERNEL stuff to
  46  * play nice with some other interfaces like FUSE. We technically only would
  47  * need to define this when building for such interfaces, but set it always to
  48  * try and reduce potential confusion.
  49  */
  50 #define _FILE_OFFSET_BITS 64
  51 #endif
  52
  53 #undef AFS_AFSDB_ENV
  54 #undef AFS_LARGEFILE_ENV
  55 #undef AFS_NAMEI_ENV
  56 #undef BITMAP_LATER
  57 #undef BOS_RESTRICTED_MODE
  58 #undef BOS_NEW_CONFIG
  59 #undef FAST_RESTART
  60 #undef FULL_LISTVOL_SWITCH
  61 #undef COMPLETION_H_EXISTS
  62 #undef DEFINED_FOR_EACH_PROCESS
  63 #undef DEFINED_PREV_TASK
  64 #undef EXPORTED_KALLSYMS_ADDRESS
  65 #undef EXPORTED_KALLSYMS_SYMBOL
  66 #undef EXPORTED_SYS_CALL_TABLE
  67 #undef EXPORTED_IA32_SYS_CALL_TABLE
  68 #undef EXPORTED_TASKLIST_LOCK
  69 #undef INODE_SETATTR_NOT_VOID
  70 #undef IRIX_HAS_MEM_FUNCS
  71 #undef RECALC_SIGPENDING_TAKES_VOID
  72 #undef STRUCT_ADDRESS_SPACE_HAS_GFP_MASK
  73 #undef STRUCT_ADDRESS_SPACE_HAS_PAGE_LOCK
  74 #undef STRUCT_FS_HAS_FS_ROLLED
  75 #undef STRUCT_INODE_HAS_I_DEVICES
  76 #undef STRUCT_INODE_HAS_I_DIRTY_DATA_BUFFERS
  77 #undef STRUCT_INODE_HAS_I_ALLOC_SEM
  78 #undef STRUCT_INODE_HAS_I_TRUNCATE_SEM
  79 #undef STRUCT_TASK_STRUCT_HAS_PARENT
  80 #undef STRUCT_TASK_STRUCT_HAS_REAL_PARENT
  81 #undef STRUCT_TASK_STRUCT_HAS_SIG
  82 #undef STRUCT_TASK_STRUCT_HAS_SIGHAND
  83 #undef STRUCT_TASK_STRUCT_HAS_SIGMASK_LOCK
  84 #undef ssize_t
  85 #undef HAVE_STRUCT_BUF
  86 #undef HAVE_ARPA_NAMESER_COMPAT_H
  87 /* glue for RedHat kernel bug */
  88 #undef ENABLE_REDHAT_BUILDSYS
  89 #if defined(ENABLE_REDHAT_BUILDSYS) && defined(KERNEL) && defined(REDHAT_FIX)
  90 #include "redhat-fix.h"
  91 #endif])
  92
  93 AC_CANONICAL_HOST
  94 SRCDIR_PARENT=`pwd`
  95
  96 #BOZO_SAVE_CORES pam
  97
  98 dnl System identity.
  99 AC_ARG_WITH([afs-sysname],
 100     [AS_HELP_STRING([--with-afs-sysname=sys], [use sys for the afs sysname])])
 101
 102 dnl General feature options.
 103 AC_ARG_ENABLE([afsdb],
 104     [AS_HELP_STRING([--disable-afsdb], [disable AFSDB DNS RR support])],
 105     ,
 106     [enable_afsdb="yes"])
 107 AC_ARG_ENABLE([pam],
 108     [AS_HELP_STRING([--disable-pam], [disable PAM support])],
 109     ,
 110     [enable_pam="yes"])
 111 AC_ARG_ENABLE([bos-restricted-mode],
 112     [AS_HELP_STRING([--enable-bos-restricted-mode],
 113         [enable bosserver restricted mode which disables certain bosserver
 114          functionality])],
 115     ,
 116     [enable_bos_restricted_mode="no"])
 117 AC_ARG_ENABLE([bos-new-config],
 118     [AS_HELP_STRING([--enable-bos-new-config],
 119         [enable bosserver pickup of BosConfig.new on restarts])],
 120     ,
 121     [enable_bos_new_config="no"])
 122 AC_ARG_ENABLE([largefile-fileserver],
 123     [AS_HELP_STRING([--disable-largefile-fileserver],
 124         [disable large file support in fileserver])],
 125     ,
 126     [enable_largefile_fileserver="yes"])
 127 AC_ARG_ENABLE([namei-fileserver],
 128     [AS_HELP_STRING([--enable-namei-fileserver],
 129         [force compilation of namei fileserver in preference to inode
 130          fileserver])],
 131     ,
 132     [enable_namei_fileserver="default"])
 133 AC_ARG_ENABLE([cache-bypass],
 134     [AS_HELP_STRING([--enable-cache-bypass],
 135         [enable client support for cache bypass])],
 136     ,
 137     [enable_cache_bypass="no"])
 138 AC_ARG_ENABLE([supergroups],
 139     [AS_HELP_STRING([--enable-supergroups],
 140         [enable support for nested pts groups])],
 141     ,
 142     [enable_supergroups="no"])
 143 AC_ARG_ENABLE([fast-restart],
 144     [AS_HELP_STRING([--enable-fast-restart],
 145         [enable fast startup of file server without salvaging])],
 146     ,
 147     [enable_fast_restart="no"])
 148 AC_ARG_ENABLE([bitmap-later],
 149     [AS_HELP_STRING([--enable-bitmap-later],
 150         [enable fast startup of file server by not reading bitmap till
 151          needed])],
 152     ,
 153     [enable_bitmap_later="no"])
 154 AC_ARG_ENABLE([demand-attach-fs],
 155     [AS_HELP_STRING([--enable-demand-attach-fs],
 156         [enable Demand Attach Fileserver (please see documentation)])],
 157     ,
 158     [enable_demand_attach_fs="no"])
 159 AC_ARG_ENABLE([disconnected],
 160     [AS_HELP_STRING([--enable-disconnected],
 161         [enable disconnected support in cache manager (experimental)])],
 162     ,
 163     [enable_disconnected="no"])
 164 AC_ARG_ENABLE([unix-sockets],
 165     [AS_HELP_STRING([--enable-unix-sockets],
 166         [enable use of unix domain sockets for fssync])],
 167     ,
 168     [enable_unix_sockets="yes"])
 169 AC_ARG_ENABLE([full-vos-listvol-switch],
 170     [AS_HELP_STRING([--disable-full-vos-listvol-switch],
 171         [disable vos full listvol switch for formatted output])],
 172     ,
 173     [enable_full_vos_listvol_switch="yes"])
 174 AC_ARG_ENABLE([icmp-pmtu-discovery],
 175     [AS_HELP_STRING([--enable-icmp-pmtu-discovery],
 176         [enable path MTU discovery by decoding ICMP unreachable replies])],
 177     ,
 178     [enable_icmp_pmtu_discovery="no"])
 179 AC_ARG_ENABLE([tivoli-tsm],
 180     [AS_HELP_STRING([--enable-tivoli-tsm],
 181         [enable use of the Tivoli TSM API libraries for butc support])],
 182     ,
 183     [enable_tivoli_tsm="no"])
 184 AC_ARG_ENABLE([pthreaded-ubik],
 185     [AS_HELP_STRING([--enable-pthreaded-ubik],
 186         [enable installation of pthreaded ubik applications (defaults to
 187          disabled)])],
 188     ,
 189     [enable_pthreaded_ubik="no"])
 190
 191 dnl Kernel module build options.
 192 AC_ARG_WITH([dux-kernel-headers],
 193     [AS_HELP_STRING([--with-dux-kernel-headers=path],
 194         [use the kernel headers found at path (optional, defaults to first
 195          match in /usr/sys)])])
 196 AC_ARG_WITH([linux-kernel-headers],
 197     [AS_HELP_STRING([--with-linux-kernel-headers=path],
 198         [use the kernel headers found at path (optional, defaults to
 199          /usr/src/linux-2.4, then /usr/src/linux)])])
 200 AC_ARG_WITH([linux-kernel-build],
 201     [AS_HELP_STRING([--with-linux-kernel-build=path],
 202         [use the kernel build found at path(optional, defaults to
 203         /usr/src/linux-2.4, then /usr/src/linux)])])
 204 AC_ARG_WITH([bsd-kernel-headers],
 205     [AS_HELP_STRING([--with-bsd-kernel-headers=path],
 206         [use the kernel headers found at path (optional, defaults to
 207          /usr/src/sys)])])
 208 AC_ARG_WITH([bsd-kernel-build],
 209     [AS_HELP_STRING([--with-bsd-kernel-build=path],
 210         [use the kernel build found at path (optional, defaults to
 211          KSRC/i386/compile/GENERIC)])])
 212 AC_ARG_WITH([linux-kernel-packaging],
 213     [AS_HELP_STRING([--with-linux-kernel-packaging],
 214         [use standard naming conventions to aid Linux kernel build packaging
 215          (disables MPS, sets the kernel module name to openafs.ko, and
 216          installs kernel modules into the standard Linux location)])],
 217     [AC_SUBST(LINUX_KERNEL_PACKAGING, "yes")
 218      AC_SUBST(LINUX_LIBAFS_NAME, "openafs")],
 219     [AC_SUBST(LINUX_LIBAFS_NAME, "libafs")])
 220 AC_ARG_ENABLE([kernel-module],
 221     [AS_HELP_STRING([--disable-kernel-module],
 222         [disable compilation of the kernel module (defaults to enabled)])],
 223     ,
 224     [enable_kernel_module="yes"])
 225 AC_ARG_ENABLE([redhat-buildsys],
 226     [AS_HELP_STRING([--enable-redhat-buildsys],
 227         [enable compilation of the redhat build system kernel (defaults to
 228          disabled)])],
 229     ,
 230     [enable_redhat_buildsys="no"])
 231
 232 dnl Installation locations.
 233 AC_ARG_ENABLE([transarc-paths],
 234     [AS_HELP_STRING([--enable-transarc-paths],
 235         [use Transarc style paths like /usr/afs and /usr/vice])],
 236     ,
 237     [enable_transarc_paths="no"])
 238
 239 dnl Optimization and debugging flags.
 240 AC_ARG_ENABLE([strip-binaries],
 241     [AS_HELP_STRING([--disable-strip-binaries],
 242         [disable stripping of symbol information from binaries (defaults to
 243          enabled)])],
 244     ,
 245     [enable_strip_binaries="maybe"])
 246 AC_ARG_ENABLE([debug],
 247     [AS_HELP_STRING([--enable-debug],
 248         [enable compilation of the user space code with debugging information
 249          (defaults to disabled)])],
 250     ,
 251     [enable_debug="no"])
 252 AC_ARG_ENABLE([optimize],
 253     [AS_HELP_STRING([--disable-optimize],
 254         [disable optimization for compilation of the user space code (defaults
 255          to enabled)])],
 256     ,
 257     [enable_optimize="yes"])
 258 AC_ARG_ENABLE([warnings],
 259     [AS_HELP_STRING([--enable-warnings],
 260         [enable compilation warnings when building with gcc (defaults to
 261          disabled)])],
 262     ,
 263     [enable_warnings="no"])
 264 AC_ARG_ENABLE([debug-kernel],
 265     [AS_HELP_STRING([--enable-debug-kernel],
 266         [enable compilation of the kernel module with debugging information
 267          (defaults to disabled)])],
 268     ,
 269     [enable_debug_kernel="no"])
 270 AC_ARG_ENABLE([optimize-kernel],
 271     [AS_HELP_STRING([--disable-optimize-kernel],
 272         [disable compilation of the kernel module with optimization (defaults
 273          based on platform)])],
 274     ,
 275     [enable_optimize_kernel="yes"])
 276 AC_ARG_ENABLE([debug-lwp],
 277     [AS_HELP_STRING([--enable-debug-lwp],
 278         [enable compilation of the LWP code with debugging information
 279          (defaults to disabled)])],
 280     ,
 281     [enable_debug_lwp="no"])
 282 AC_ARG_ENABLE([optimize-lwp],
 283     [AS_HELP_STRING([--disable-optimize-lwp],
 284         [disable optimization for compilation of the LWP code (defaults to
 285          enabled)])],
 286     ,
 287     [enable_optimize_lwp="yes"])
 288 AC_ARG_ENABLE([debug-pam],
 289     [AS_HELP_STRING([--enable-debug-pam],
 290         [enable compilation of the PAM code with debugging information
 291          (defaults to disabled)])],
 292     ,
 293     [enable_debug_pam="no"])
 294 AC_ARG_ENABLE([optimize-pam],
 295     [AS_HELP_STRING([--disable-optimize-pam],
 296         [disable optimization for compilation of the PAM code (defaults to
 297          enabled)])],
 298     ,
 299     [enable_optimize_pam="yes"])
 300 AC_ARG_ENABLE([linux-syscall-probing],
 301     [AS_HELP_STRING([--disable-linux-syscall-probing],
 302         [disabling Linux syscall probing (defaults to enabled)])],
 303     ,
 304     [AC_DEFINE(ENABLE_LINUX_SYSCALL_PROBING, 1,
 305         [define to enable syscall table probes])])
 306
 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="$withval",
 318         HTML_XSL=no)
 319
 320 enable_login="no"
 321
 322 dnl weird ass systems
 323 dnl AC_AIX
 324 AC_ISC_POSIX
 325 dnl AC_MINIX
 326
 327 dnl Various compiler setup.
 328 AC_TYPE_PID_T
 329 AC_TYPE_SIZE_T
 330 COMPILER_HAS_FUNCTION_MACRO
 331
 332 dnl Checks for programs.
 333 AC_PROG_INSTALL
 334 AC_PROG_LN_S
 335 AC_PROG_RANLIB
 336 AC_PROG_YACC
 337 AM_PROG_LEX
 338
 339 OPENAFS_CHECK_BIGENDIAN
 340
 341 AC_MSG_CHECKING(your OS)
 342 system=$host
 343 case $system in
 344         *-linux*)
 345
 346                 MKAFS_OSTYPE=LINUX
 347                 if test "x$enable_redhat_buildsys" = "xyes"; then
 348                  AC_DEFINE(ENABLE_REDHAT_BUILDSYS, 1, [define if you have redhat buildsystem])
 349                 fi
 350                 if test "x$enable_kernel_module" = "xyes"; then
 351                  if test "x$with_linux_kernel_headers" != "x"; then
 352                    LINUX_KERNEL_PATH="$with_linux_kernel_headers"
 353                  else
 354                    LINUX_KERNEL_PATH="/lib/modules/`uname -r`/source"
 355                    if test ! -f "$LINUX_KERNEL_PATH/include/linux/version.h"; then
 356                      LINUX_KERNEL_PATH="/lib/modules/`uname -r`/build"
 357                    fi
 358                    if test ! -f "$LINUX_KERNEL_PATH/include/linux/version.h"; then
 359                      LINUX_KERNEL_PATH="/usr/src/linux-2.4"
 360                    fi
 361                    if test ! -f "$LINUX_KERNEL_PATH/include/linux/version.h"; then
 362                      LINUX_KERNEL_PATH="/usr/src/linux"
 363                    fi
 364                  fi
 365                  if test "x$with_linux_kernel_build" != "x"; then
 366                          LINUX_KERNEL_BUILD="$with_linux_kernel_build"
 367                  else
 368                    LINUX_KERNEL_BUILD=$LINUX_KERNEL_PATH
 369                  fi
 370                if test -f "$LINUX_KERNEL_BUILD/include/linux/utsrelease.h"; then
 371                  linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/linux/utsrelease.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
 372                  LINUX_VERSION="$linux_kvers"
 373                else
 374                  if test -f "$LINUX_KERNEL_BUILD/include/linux/version.h"; then
 375                   linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/linux/version.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
 376                   if test "x$linux_kvers" = "x"; then
 377                     if test -f "$LINUX_KERNEL_BUILD/include/linux/version-up.h"; then
 378                       linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/linux/version-up.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
 379                       if test "x$linux_kvers" = "x"; then
 380
 381                         AC_MSG_ERROR(Linux headers lack version definition [2])
 382                         exit 1
 383                       else
 384                         LINUX_VERSION="$linux_kvers"
 385                       fi
 386                     else
 387                       AC_MSG_ERROR(Linux headers lack version definition)
 388                       exit 1
 389                     fi
 390                   else
 391                     LINUX_VERSION="$linux_kvers"
 392                   fi
 393                  else
 394                     enable_kernel_module="no"
 395                  fi
 396                fi
 397                  if test ! -f "$LINUX_KERNEL_BUILD/include/linux/autoconf.h"; then
 398                      enable_kernel_module="no"
 399                  fi
 400                  if test "x$enable_kernel_module" = "xno"; then
 401                   if test "x$with_linux_kernel_headers" != "x"; then
 402                    AC_MSG_ERROR(No usable linux headers found at $LINUX_KERNEL_PATH)
 403                    exit 1
 404                   else
 405                    AC_MSG_WARN(No usable linux headers found at $LINUX_KERNEL_PATH so disabling kernel module)
 406                   fi
 407                  fi
 408                  dnl do we need to determine SUBARCH from autoconf.h
 409                  SUBARCH=default
 410                 fi
 411                 AC_MSG_RESULT(linux)
 412                 if test "x$enable_kernel_module" = "xyes"; then
 413                  AFS_SYSKVERS=`echo $LINUX_VERSION | awk -F\. '{print $[]1 $[]2}'`
 414                  if test "x${AFS_SYSKVERS}" = "x"; then
 415                   AC_MSG_ERROR(Couldn't guess your Linux version [2])
 416                  fi
 417                 fi
 418                 ;;
 419         *-solaris*)
 420                 MKAFS_OSTYPE=SOLARIS
 421                 AC_MSG_RESULT(sun4)
 422                 SOLARIS_UFSVFS_HAS_DQRWLOCK
 423                 SOLARIS_PROC_HAS_P_COREFILE
 424                 SOLARIS_FS_HAS_FS_ROLLED
 425                 SOLARIS_SOLOOKUP_TAKES_SOCKPARAMS
 426                 ;;
 427         *-sunos*)
 428                 MKAFS_OSTYPE=SUNOS
 429                 enable_kernel_module=no
 430                 AC_MSG_RESULT(sun4)
 431                 ;;
 432         *-hpux*)
 433                 MKAFS_OSTYPE=HPUX
 434                 AC_MSG_RESULT(hp_ux)
 435                 if test -f "/usr/old/usr/include/ndir.h"; then
 436                  AC_DEFINE(HAVE_USR_OLD_USR_INCLUDE_NDIR_H, 1, [define if you have old ndir.h])
 437                 fi
 438                 ;;
 439         *-irix*)
 440                 if test -d /usr/include/sys/SN/SN1; then
 441                  IRIX_BUILD_IP35="IP35"
 442                 fi
 443                 MKAFS_OSTYPE=IRIX
 444                 AC_MSG_RESULT(sgi)
 445                 ;;
 446         *-aix*)
 447                 MKAFS_OSTYPE=AIX
 448                 AC_MSG_RESULT(rs_aix)
 449                 ;;
 450         *-osf*)
 451                 MKAFS_OSTYPE=DUX
 452                 AC_MSG_RESULT(alpha_dux)
 453                 ;;
 454         powerpc-*-darwin*)
 455                 MKAFS_OSTYPE=DARWIN
 456                 AC_MSG_RESULT(ppc_darwin)
 457                 ;;
 458         i386-*-darwin*)
 459                 MKAFS_OSTYPE=DARWIN
 460                 AC_MSG_RESULT(x86_darwin)
 461                 ;;
 462         i386-*-freebsd*)
 463                 MKAFS_OSTYPE=FBSD
 464                 AC_MSG_RESULT(i386_fbsd)
 465                 ;;
 466         x86_64-*-freebsd*)
 467                 MKAFS_OSTYPE=FBSD
 468                 AC_MSG_RESULT(amd64_fbsd)
 469                 ;;
 470         *-netbsd*)
 471                 MKAFS_OSTYPE=NBSD
 472                 AC_MSG_RESULT(nbsd)
 473                 ;;
 474         *-openbsd*)
 475                 MKAFS_OSTYPE=OBSD
 476                 AC_MSG_RESULT(i386_obsd)
 477                 ;;
 478         *-dragonfly*)
 479                 MKAFS_OSTYPE=DFBSD
 480                 AC_MSG_RESULT(i386_dfbsd)
 481                 ;;
 482         *)
 483                 AC_MSG_RESULT($system)
 484                 ;;
 485 esac
 486
 487 if test "x$with_afs_sysname" != "x"; then
 488         AFS_SYSNAME="$with_afs_sysname"
 489 else
 490         AC_MSG_CHECKING(your AFS sysname)
 491         case $host in
 492                 i?86-*-openbsd?.?)
 493                         v=${host#*openbsd}
 494                         vM=${v%.*}
 495                         vm=${v#*.}
 496                         AFS_SYSNAME="i386_obsd${vM}${vm}"
 497                         ;;
 498                 sparc64-*-openbsd?.?)
 499                         v=${host#*openbsd}
 500                         vM=${v%.*}
 501                         vm=${v#*.}
 502                         AFS_SYSNAME="sparc64_obsd${vM}${vm}"
 503                         ;;
 504                 i?86-*-freebsd?.*)
 505                         v=${host#*freebsd}
 506                         vM=${v%.*}
 507                         vm=${v#*.}
 508                         AFS_SYSNAME="i386_fbsd_${vM}${vm}"
 509                         ;;
 510                 x86_64-*-freebsd?.*)
 511                         v=${host#*freebsd}
 512                         vM=${v%.*}
 513                         vm=${v#*.}
 514                         AFS_SYSNAME="amd64_fbsd_${vM}${vm}"
 515                         ;;
 516                 i386-*-dragonfly2.2*)
 517                         AFS_SYSNAME="i386_dfbsd_23"
 518                         ;;
 519                 i386-*-dragonfly2.3*)
 520                         AFS_SYSNAME="i386_dfbsd_23"
 521                         ;;
 522                 i?86-*-netbsd*1.5*)
 523                         AFS_SYSNAME="i386_nbsd15"
 524                         ;;
 525                 alpha-*-netbsd*1.5*)
 526                         AFS_SYSNAME="alpha_nbsd15"
 527                         ;;
 528                 i?86-*-netbsd*1.6[[M-Z]]*)
 529                         AFS_SYSNAME="i386_nbsd20"
 530                         ;;
 531                 powerpc-*-netbsd*1.6[[M-Z]]*)
 532                         AFS_SYSNAME="ppc_nbsd20"
 533                         ;;
 534                 i?86-*-netbsd*2.0*)
 535                         AFS_SYSNAME="i386_nbsd20"
 536                         ;;
 537                 amd64-*-netbsd*2.0*)
 538                         AFS_SYSNAME="amd64_nbsd20"
 539                         ;;
 540                 x86_64-*-netbsd*3.[[0-8]]*)
 541                         AFS_PARAM_COMMON=param.nbsd30.h
 542                         AFS_SYSNAME="amd64_nbsd30"
 543                         ;;
 544                 x86_64-*-netbsd*4.[[0-8]]*)
 545                         AFS_PARAM_COMMON=param.nbsd40.h
 546                         AFS_SYSNAME="amd64_nbsd40"
 547                         ;;
 548                 powerpc-*-netbsd*2.0*)
 549                         AFS_SYSNAME="ppc_nbsd20"
 550                         ;;
 551                 i?86-*-netbsd*1.6*)
 552                         AFS_SYSNAME="i386_nbsd16"
 553                         ;;
 554                 alpha-*-netbsd*1.6*)
 555                         AFS_SYSNAME="alpha_nbsd16"
 556                         ;;
 557                 powerpc-*-netbsd*1.6*)
 558                         AFS_SYSNAME="ppc_nbsd16"
 559                         ;;
 560                 i?86-*-netbsd*2.1*)
 561                         AFS_SYSNAME="i386_nbsd21"
 562                         ;;
 563                 i?86-*-netbsd*2.99*)
 564                         AFS_SYSNAME="i386_nbsd30"
 565                         ;;
 566                 i?86-*-netbsd*3.[[0-8]]*)
 567                         AFS_SYSNAME="i386_nbsd30"
 568                         ;;
 569                 i?86-*-netbsd*3.99*)
 570                         AFS_SYSNAME="i386_nbsd30"
 571                         ;;
 572                 i?86-*-netbsd*4.[[0-8]]*)
 573                         AFS_SYSNAME="i386_nbsd40"
 574                         ;;
 575                 i?86-*-netbsd*4.99*)
 576                         AFS_SYSNAME="i386_nbsd40"
 577                         ;;
 578                 hppa*-hp-hpux11.0*)
 579                         AFS_SYSNAME="hp_ux110"
 580                         ;;
 581                 hppa*-hp-hpux11.11)
 582                         AFS_SYSNAME="hp_ux11i"
 583                         ;;
 584                 hppa*-hp-hpux11.23)
 585                         AFS_SYSNAME="hp_ux1123"
 586                         ;;
 587                 ia64-hp-hpux11.22)
 588                         AFS_SYSNAME="ia64_hpux1122"
 589                         ;;
 590                 ia64-hp-hpux*)
 591                         AFS_SYSNAME="ia64_hpux1123"
 592                         ;;
 593                 hppa*-hp-hpux10*)
 594                         AFS_SYSNAME="hp_ux102"
 595                         ;;
 596                 powerpc-apple-darwin1.2*)
 597                         AFS_SYSNAME="ppc_darwin_12"
 598                         ;;
 599                 powerpc-apple-darwin1.3*)
 600                         AFS_SYSNAME="ppc_darwin_13"
 601                         ;;
 602                 powerpc-apple-darwin1.4*)
 603                         AFS_SYSNAME="ppc_darwin_14"
 604                         ;;
 605                 powerpc-apple-darwin5.1*)
 606                         AFS_SYSNAME="ppc_darwin_14"
 607                         ;;
 608                 powerpc-apple-darwin5.2*)
 609                         AFS_SYSNAME="ppc_darwin_14"
 610                         ;;
 611                 powerpc-apple-darwin5.3*)
 612                         AFS_SYSNAME="ppc_darwin_14"
 613                         ;;
 614                 powerpc-apple-darwin5.4*)
 615                         AFS_SYSNAME="ppc_darwin_14"
 616                         ;;
 617                 powerpc-apple-darwin5.5*)
 618                         AFS_SYSNAME="ppc_darwin_14"
 619                         ;;
 620                 powerpc-apple-darwin6.0*)
 621                         AFS_SYSNAME="ppc_darwin_60"
 622                         ;;
 623                 powerpc-apple-darwin6.1*)
 624                         AFS_SYSNAME="ppc_darwin_60"
 625                         ;;
 626                 powerpc-apple-darwin6.2*)
 627                         AFS_SYSNAME="ppc_darwin_60"
 628                         ;;
 629                 powerpc-apple-darwin6.3*)
 630                         AFS_SYSNAME="ppc_darwin_60"
 631                         ;;
 632                 powerpc-apple-darwin6.4*)
 633                         AFS_SYSNAME="ppc_darwin_60"
 634                         ;;
 635                 powerpc-apple-darwin6.5*)
 636                         AFS_SYSNAME="ppc_darwin_60"
 637                         ;;
 638                 powerpc-apple-darwin7.0*)
 639                         AFS_SYSNAME="ppc_darwin_70"
 640                         ;;
 641                 powerpc-apple-darwin7.1*)
 642                         AFS_SYSNAME="ppc_darwin_70"
 643                         ;;
 644                 powerpc-apple-darwin7.2*)
 645                         AFS_SYSNAME="ppc_darwin_70"
 646                         ;;
 647                 powerpc-apple-darwin7.3*)
 648                         AFS_SYSNAME="ppc_darwin_70"
 649                         ;;
 650                 powerpc-apple-darwin7.4*)
 651                         AFS_SYSNAME="ppc_darwin_70"
 652                         ;;
 653                 powerpc-apple-darwin7.5*)
 654                         AFS_SYSNAME="ppc_darwin_70"
 655                         ;;
 656                 powerpc-apple-darwin8.0*)
 657                         AFS_SYSNAME="ppc_darwin_80"
 658                         ;;
 659                 powerpc-apple-darwin8.*)
 660                         AFS_SYSNAME="ppc_darwin_80"
 661                         ;;
 662                 i386-apple-darwin8.*)
 663                         AFS_SYSNAME="x86_darwin_80"
 664                         ;;
 665                 powerpc-apple-darwin9.*)
 666                         AFS_SYSNAME="ppc_darwin_90"
 667                         ;;
 668                 i386-apple-darwin9.*)
 669                         AFS_SYSNAME="x86_darwin_90"
 670                         ;;
 671                 i?86-apple-darwin10.*)
 672                         AFS_SYSNAME="x86_darwin_100"
 673                         ;;
 674                 sparc-sun-solaris2.5*)
 675                         AFS_SYSNAME="sun4x_55"
 676                         enable_login="yes"
 677                         ;;
 678                 sparc-sun-solaris2.6)
 679                         AFS_SYSNAME="sun4x_56"
 680                         ;;
 681                 sparc-sun-solaris2.7)
 682                         AFS_SYSNAME="sun4x_57"
 683                         ;;
 684                 sparc-sun-solaris2.8)
 685                         AFS_SYSNAME="sun4x_58"
 686                         ;;
 687                 sparc-sun-solaris2.9)
 688                         AFS_SYSNAME="sun4x_59"
 689                         ;;
 690                 sparc-sun-solaris2.10)
 691                         AFS_SYSNAME="sun4x_510"
 692                         ;;
 693                 sparc-sun-solaris2.11)
 694                         AFS_SYSNAME="sun4x_511"
 695                         ;;
 696                 sparc-sun-sunos4*)
 697                         AFS_SYSNAME="sun4_413"
 698                         enable_login="yes"
 699                         ;;
 700                 i386-pc-solaris2.7)
 701                         AFS_SYSNAME="sunx86_57"
 702                         ;;
 703                 i386-pc-solaris2.8)
 704                         AFS_SYSNAME="sunx86_58"
 705                         ;;
 706                 i386-pc-solaris2.9)
 707                         AFS_SYSNAME="sunx86_59"
 708                         ;;
 709                 i386-pc-solaris2.10)
 710                         AFS_SYSNAME="sunx86_510"
 711                         ;;
 712                 i386-pc-solaris2.11)
 713                         AFS_SYSNAME="sunx86_511"
 714                         ;;
 715                 alpha*-dec-osf4.0*)
 716                         AFS_SYSNAME="alpha_dux40"
 717                         ;;
 718                 alpha*-dec-osf5.0*)
 719                         AFS_SYSNAME="alpha_dux50"
 720                         ;;
 721                 alpha*-dec-osf5.1*)
 722                         AFS_SYSNAME="alpha_dux51"
 723                         ;;
 724                 mips-sgi-irix6.5)
 725                         AFS_SYSNAME="sgi_65"
 726                         ;;
 727                 ia64-*-linux*)
 728                         AFS_SYSNAME="ia64_linuxXX"
 729                         ;;
 730                 powerpc-*-linux*)
 731                         AFS_SYSNAME="`/bin/arch`_linuxXX"
 732                         ;;
 733                 powerpc64-*-linux*)
 734                         AFS_SYSNAME="ppc64_linuxXX"
 735                         ;;
 736                 alpha*-linux*)
 737                         AFS_SYSNAME="alpha_linux_XX"
 738                         ;;
 739                 s390-*-linux*)
 740                         AFS_SYSNAME="s390_linuxXX"
 741                         ;;
 742                 s390x-*-linux*)
 743                         AFS_SYSNAME="s390x_linuxXX"
 744                         ;;
 745                 sparc-*-linux*)
 746                         AFS_SYSNAME="`/bin/arch`_linuxXX"
 747                         ;;
 748                 sparc64-*-linux*)
 749                         AFS_SYSNAME="sparc64_linuxXX"
 750                         ;;
 751                 i?86-*-linux*)
 752                         AFS_SYSNAME="i386_linuxXX"
 753                         ;;
 754                 parisc-*-linux-gnu|hppa-*-linux-gnu)
 755                         AFS_SYSNAME="parisc_linuxXX"
 756                         enable_pam="no"
 757                         ;;
 758                 power*-ibm-aix4.2*)
 759                         AFS_SYSNAME="rs_aix42"
 760                         enable_pam="no"
 761                         ;;
 762                 power*-ibm-aix4.3*)
 763                         AFS_SYSNAME="rs_aix42"
 764                         enable_pam="no"
 765                         ;;
 766                 power*-ibm-aix5.1*)
 767                         AFS_SYSNAME="rs_aix51"
 768                         enable_pam="no"
 769                         ;;
 770                 power*-ibm-aix5.2*)
 771                         AFS_SYSNAME="rs_aix52"
 772                         enable_pam="no"
 773                         ;;
 774                 power*-ibm-aix5.3*)
 775                         AFS_SYSNAME="rs_aix53"
 776                         enable_pam="no"
 777                         ;;
 778                 power*-ibm-aix6.1*)
 779                         AFS_SYSNAME="rs_aix61"
 780                         enable_pam="no"
 781                         ;;
 782                 x86_64-*-linux-gnu)
 783                         AFS_SYSNAME="amd64_linuxXX"
 784                         enable_pam="yes"
 785                         ;;
 786                 *)
 787                         AC_MSG_ERROR(An AFS sysname is required)
 788                         exit 1
 789                         ;;
 790         esac
 791         case $AFS_SYSNAME in
 792                 *_linux* | *_umlinux*)
 793                         if test "x${AFS_SYSKVERS}" = "x"; then
 794                          AC_MSG_ERROR(Couldn't guess your Linux version. Please use the --with-afs-sysname option to configure an AFS sysname.)
 795                         fi
 796                         _AFS_SYSNAME=`echo $AFS_SYSNAME|sed s/XX\$/$AFS_SYSKVERS/`
 797                         AFS_SYSNAME="$_AFS_SYSNAME"
 798                         save_CPPFLAGS="$CPPFLAGS"
 799                         CPPFLAGS="-I${LINUX_KERNEL_PATH}/include $CPPFLAGS"
 800                         AC_TRY_COMPILE(
 801                          [#include <linux/autoconf.h>],
 802                          [#ifndef CONFIG_USERMODE
 803                           #error not UML
 804                           #endif],
 805                          ac_cv_linux_is_uml=yes,)
 806                         if test "${ac_cv_linux_is_uml}" = yes; then
 807                          _AFS_SYSNAME=`echo $AFS_SYSNAME|sed s/linux/umlinux/`
 808                         fi
 809                         CPPFLAGS="$save_CPPFLAGS"
 810                         AFS_SYSNAME="$_AFS_SYSNAME"
 811                         ;;
 812         esac
 813         AC_MSG_RESULT($AFS_SYSNAME)
 814 fi
 815
 816 dnl Some hosts have a separate common param file they should include.  Figure
 817 dnl out if we're on one of them now that we know the sysname.
 818 case $AFS_SYSNAME in
 819     *_nbsd15)   AFS_PARAM_COMMON=param.nbsd15.h  ;;
 820     *_nbsd16)   AFS_PARAM_COMMON=param.nbsd16.h  ;;
 821     *_nbsd20)   AFS_PARAM_COMMON=param.nbsd20.h  ;;
 822     *_nbsd21)   AFS_PARAM_COMMON=param.nbsd21.h  ;;
 823     *_nbsd30)   AFS_PARAM_COMMON=param.nbsd30.h  ;;
 824     *_nbsd40)   AFS_PARAM_COMMON=param.nbsd40.h  ;;
 825     *_linux22)  AFS_PARAM_COMMON=param.linux22.h ;;
 826     *_linux24)  AFS_PARAM_COMMON=param.linux24.h ;;
 827     *_linux26)  AFS_PARAM_COMMON=param.linux26.h ;;
 828 esac
 829
 830 case $AFS_SYSNAME in *_linux* | *_umlinux*)
 831
 832                 # Add (sub-) architecture-specific paths needed by conftests
 833                 case $AFS_SYSNAME  in
 834                         *_umlinux26)
 835                                 UMLINUX26_FLAGS="-I$LINUX_KERNEL_PATH/arch/um/include"
 836                                 UMLINUX26_FLAGS="$UMLINUX26_FLAGS -I$LINUX_KERNEL_PATH/arch/um/kernel/tt/include"
 837                                 UMLINUX26_FLAGS="$UMLINUX26_FLAGS -I$LINUX_KERNEL_PATH/arch/um/kernel/skas/include"
 838                                 CPPFLAGS="$CPPFLAGS $UMLINUX26_FLAGS"
 839                 esac
 840
 841                 if test "x$enable_kernel_module" = "xyes"; then
 842                  if test "x$enable_debug_kernel" = "xno"; then
 843                         LINUX_GCC_KOPTS="$LINUX_GCC_KOPTS -fomit-frame-pointer"
 844                  fi
 845                  OPENAFS_GCC_SUPPORTS_MARCH
 846                  AC_SUBST(P5PLUS_KOPTS)
 847                  OPENAFS_GCC_NEEDS_NO_STRENGTH_REDUCE
 848                  OPENAFS_GCC_NEEDS_NO_STRICT_ALIASING
 849                  OPENAFS_GCC_SUPPORTS_NO_COMMON
 850                  OPENAFS_GCC_SUPPORTS_PIPE
 851                  AC_SUBST(LINUX_GCC_KOPTS)
 852                  ifdef([OPENAFS_CONFIGURE_LIBAFS],
 853                    [LINUX_BUILD_VNODE_FROM_INODE(src/config,src/afs)],
 854                    [LINUX_BUILD_VNODE_FROM_INODE(${srcdir}/src/config,src/afs/LINUX,${srcdir}/src/afs/LINUX)]
 855                  )
 856
 857                  LINUX_KBUILD_USES_EXTRA_CFLAGS
 858                  LINUX_KERNEL_COMPILE_WORKS
 859                  LINUX_EXPORTS_FIND_TASK_BY_PID
 860                  LINUX_EXPORTS_PROC_ROOT_FS
 861                  LINUX_HAVE_CURRENT_KERNEL_TIME
 862                  LINUX_HAVE_WRITE_BEGIN_AOP
 863                  LINUX_HAVE_BDI_INIT
 864                  LINUX_KMEM_CACHE_INIT
 865                  LINUX_HAVE_GRAB_CACHE_PAGE_WRITE_BEGIN
 866                  LINUX_STRUCT_TASK_HAS_CRED
 867                  LINUX_STRUCT_PROC_DIR_ENTRY_HAS_OWNER
 868                  LINUX_HAVE_KMEM_CACHE_T
 869                  LINUX_KMEM_CACHE_CREATE_TAKES_DTOR
 870                  LINUX_D_PATH_TAKES_STRUCT_PATH
 871                  LINUX_NEW_EXPORT_OPS
 872                  LINUX_CONFIG_H_EXISTS
 873                  LINUX_COMPLETION_H_EXISTS
 874                  LINUX_SEMAPHORE_H_EXISTS
 875                  LINUX_EXPORTFS_H_EXISTS
 876                  LINUX_DEFINES_FOR_EACH_PROCESS
 877                  LINUX_DEFINES_PREV_TASK
 878                  LINUX_FS_STRUCT_SUPER_HAS_ALLOC_INODE
 879                  LINUX_FS_STRUCT_ADDRESS_SPACE_HAS_PAGE_LOCK
 880                  LINUX_FS_STRUCT_ADDRESS_SPACE_HAS_GFP_MASK
 881                  LINUX_FS_STRUCT_INODE_HAS_I_ALLOC_SEM
 882                  LINUX_FS_STRUCT_INODE_HAS_I_BLKBITS
 883                  LINUX_FS_STRUCT_INODE_HAS_I_BLKSIZE
 884                  LINUX_FS_STRUCT_INODE_HAS_I_TRUNCATE_SEM
 885                  LINUX_FS_STRUCT_INODE_HAS_I_DIRTY_DATA_BUFFERS
 886                  LINUX_FS_STRUCT_INODE_HAS_I_DEVICES
 887                  LINUX_FS_STRUCT_INODE_HAS_I_MMAP_SHARED
 888                  LINUX_FS_STRUCT_INODE_HAS_I_MUTEX
 889                  LINUX_FS_STRUCT_INODE_HAS_I_SB_LIST
 890                  LINUX_FS_STRUCT_INODE_HAS_I_SECURITY
 891                  LINUX_FS_STRUCT_INODE_HAS_INOTIFY_LOCK
 892                  LINUX_FS_STRUCT_INODE_HAS_INOTIFY_SEM
 893                  LINUX_INODE_SETATTR_RETURN_TYPE
 894                  LINUX_WRITE_INODE_RETURN_TYPE
 895                  LINUX_IOP_I_CREATE_TAKES_NAMEIDATA
 896                  LINUX_IOP_I_LOOKUP_TAKES_NAMEIDATA
 897                  LINUX_IOP_I_PERMISSION_TAKES_NAMEIDATA
 898                  LINUX_IOP_I_PUT_LINK_TAKES_COOKIE
 899                  LINUX_DOP_D_REVALIDATE_TAKES_NAMEIDATA
 900                  LINUX_FOP_F_FLUSH_TAKES_FL_OWNER_T
 901                  LINUX_AOP_WRITEBACK_CONTROL
 902                  LINUX_FS_STRUCT_FOP_HAS_FLOCK
 903                  LINUX_FS_STRUCT_FOP_HAS_SENDFILE
 904                  LINUX_FS_STRUCT_FOP_HAS_SPLICE
 905                  LINUX_KERNEL_LINUX_SYSCALL_H
 906                  LINUX_KERNEL_LINUX_SEQ_FILE_H
 907                  LINUX_KERNEL_POSIX_LOCK_FILE_WAIT_ARG
 908                  LINUX_POSIX_TEST_LOCK_RETURNS_CONFLICT
 909                  LINUX_POSIX_TEST_LOCK_CONFLICT_ARG
 910                  LINUX_KERNEL_SELINUX
 911                  LINUX_KERNEL_SOCK_CREATE
 912                  LINUX_KERNEL_PAGE_FOLLOW_LINK
 913                  LINUX_KERNEL_HLIST_UNHASHED
 914                  LINUX_KEY_TYPE_H_EXISTS
 915                  LINUX_EXPORTS_KEY_TYPE_KEYRING
 916                  LINUX_NEED_RHCONFIG
 917                  LINUX_RECALC_SIGPENDING_ARG_TYPE
 918                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_PARENT
 919                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_REAL_PARENT
 920                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_SIG
 921                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_SIGHAND
 922                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_SIGMASK_LOCK
 923                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_RLIM
 924                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_SIGNAL_RLIM
 925                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_EXIT_STATE
 926                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_TGID
 927                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_TODO
 928                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_THREAD_INFO
 929                  LINUX_EXPORTS_TASKLIST_LOCK
 930                  LINUX_GET_SB_HAS_STRUCT_VFSMOUNT
 931                  LINUX_STATFS_TAKES_DENTRY
 932                  LINUX_FREEZER_H_EXISTS
 933                  LINUX_HAVE_SVC_ADDR_IN
 934                  if test "x$ac_cv_linux_freezer_h_exists" = "xyes" ; then
 935                   AC_DEFINE(FREEZER_H_EXISTS, 1, [define if you have linux/freezer.h])
 936                  fi
 937                  LINUX_REFRIGERATOR
 938                  LINUX_LINUX_KEYRING_SUPPORT
 939                  LINUX_KEY_ALLOC_NEEDS_STRUCT_TASK
 940                  LINUX_KEY_ALLOC_NEEDS_CRED
 941                  LINUX_DO_SYNC_READ
 942                  LINUX_GENERIC_FILE_AIO_READ
 943                  LINUX_INIT_WORK_HAS_DATA
 944                  LINUX_REGISTER_SYSCTL_TABLE_NOFLAG
 945                  LINUX_SYSCTL_TABLE_CHECKING
 946                  LINUX_HAVE_IGET
 947                  if test "x$ac_cv_linux_have_iget" = "xno"; then
 948                    AC_DEFINE([LINUX_USE_FH], 1, [define to use linux file handles for cache files])
 949                  fi
 950                  LINUX_HAVE_I_SIZE_READ
 951                  LINUX_HAVE_D_ALLOC_ANON
 952                  if test "x$ac_cv_linux_d_alloc_anon" = "xno"; then
 953                    AC_DEFINE([AFS_NONFSTRANS], 1, [define to disable the nfs translator])
 954                  fi
 955                  LINUX_FS_STRUCT_NAMEIDATA_HAS_PATH
 956                  LINUX_EXPORTS_INIT_MM
 957                  LINUX_EXPORTS_SYS_CHDIR
 958                  LINUX_EXPORTS_SYS_CLOSE
 959                  LINUX_EXPORTS_SYS_OPEN
 960                  LINUX_EXPORTS_SYS_WAIT4
 961                  LINUX_EXPORTS_RCU_READ_LOCK
 962                  if test "x$with_linux_kernel_packaging" = "xno" ; then
 963                    LINUX_WHICH_MODULES
 964                  else
 965                    AC_SUBST(MPS,'SP')
 966                  fi
 967                  if test "x$ac_cv_linux_config_modversions" = "xno" -o $AFS_SYSKVERS -ge 26; then
 968                    AC_MSG_WARN([Cannot determine sys_call_table status. assuming it isn't exported])
 969                    ac_cv_linux_exports_sys_call_table=no
 970                    if test -f "$LINUX_KERNEL_PATH/include/asm/ia32_unistd.h"; then
 971                      ac_cv_linux_exports_ia32_sys_call_table=yes
 972                    fi
 973                  else
 974                    LINUX_EXPORTS_KALLSYMS_ADDRESS
 975                    LINUX_EXPORTS_KALLSYMS_SYMBOL
 976                    LINUX_EXPORTS_SYS_CALL_TABLE
 977                    LINUX_EXPORTS_IA32_SYS_CALL_TABLE
 978                    if test "x$ac_cv_linux_exports_sys_call_table" = "xno"; then
 979                          linux_syscall_method=none
 980                          if test "x$ac_cv_linux_exports_init_mm" = "xyes"; then
 981                             linux_syscall_method=scan
 982                             if test "x$ac_cv_linux_exports_kallsyms_address" = "xyes"; then
 983                                linux_syscall_method=scan_with_kallsyms_address
 984                             fi
 985                          fi
 986                          if test "x$ac_cv_linux_exports_kallsyms_symbol" = "xyes"; then
 987                             linux_syscall_method=kallsyms_symbol
 988                          fi
 989                          if test "x$linux_syscall_method" = "xnone"; then
 990                             AC_MSG_WARN([no available sys_call_table access method -- guessing scan])
 991                             linux_syscall_method=scan
 992                          fi
 993                    fi
 994                  fi
 995                  if test -f "$LINUX_KERNEL_PATH/include/linux/in_systm.h"; then
 996                   AC_DEFINE(HAVE_IN_SYSTM_H, 1, [define if you have in_systm.h header file])
 997                  fi
 998                  if test -f "$LINUX_KERNEL_PATH/include/linux/mm_inline.h"; then
 999                   AC_DEFINE(HAVE_MM_INLINE_H, 1, [define if you have mm_inline.h header file])
1000                  fi
1001                  if test -f "$LINUX_KERNEL_PATH/include/linux/in_systm.h"; then
1002                   AC_DEFINE(HAVE_IN_SYSTM_H, 1, [define if you have in_systm.h header file])
1003                  fi
1004                  if test "x$ac_cv_linux_exports_sys_chdir" = "xyes" ; then
1005                   AC_DEFINE(EXPORTED_SYS_CHDIR, 1, [define if your linux kernel exports sys_chdir])
1006                  fi
1007                  if test "x$ac_cv_linux_exports_sys_open" = "xyes" ; then
1008                   AC_DEFINE(EXPORTED_SYS_OPEN, 1, [define if your linux kernel exports sys_open])
1009                  fi
1010                  if test "x$ac_cv_linux_exports_sys_close" = "xyes" ; then
1011                   AC_DEFINE(EXPORTED_SYS_CLOSE, 1, [define if your linux kernel exports sys_close])
1012                  fi
1013                  if test "x$ac_cv_linux_exports_sys_wait4" = "xyes" ; then
1014                   AC_DEFINE(EXPORTED_SYS_WAIT4, 1, [define if your linux kernel exports sys_wait4])
1015                  fi
1016                  if test "x$ac_cv_linux_exports_sys_call_table" = "xyes"; then
1017                   AC_DEFINE(EXPORTED_SYS_CALL_TABLE, 1, [define if your linux kernel exports sys_call_table])
1018                  fi
1019                  if test "x$ac_cv_linux_exports_ia32_sys_call_table" = "xyes"; then
1020                   AC_DEFINE(EXPORTED_IA32_SYS_CALL_TABLE, 1, [define if your linux kernel exports ia32_sys_call_table])
1021                  fi
1022                  if test "x$ac_cv_linux_exports_kallsyms_symbol" = "xyes"; then
1023                   AC_DEFINE(EXPORTED_KALLSYMS_SYMBOL, 1, [define if your linux kernel exports kallsyms])
1024                  fi
1025                  if test "x$ac_cv_linux_exports_kallsyms_address" = "xyes"; then
1026                   AC_DEFINE(EXPORTED_KALLSYMS_ADDRESS, 1, [define if your linux kernel exports kallsyms address])
1027                  fi
1028                  if test "x$ac_cv_linux_completion_h_exists" = "xyes" ; then
1029                   AC_DEFINE(COMPLETION_H_EXISTS, 1, [define if completion_h exists])
1030                  fi
1031                  if test "x$ac_cv_linux_config_h_exists" = "xyes" ; then
1032                   AC_DEFINE(CONFIG_H_EXISTS, 1, [define if config.h exists])
1033                  fi
1034                  if test "x$ac_cv_linux_exportfs_h_exists" = "xyes"; then
1035                   AC_DEFINE(EXPORTFS_H_EXISTS, 1, [define if linux/exportfs.h exists])
1036                  fi
1037                  if test "x$ac_cv_linux_key_type_h_exists" = "xyes" ; then
1038                   AC_DEFINE(KEY_TYPE_H_EXISTS, 1, [define if key-type.h exists])
1039                  fi
1040                  if test "x$ac_cv_linux_defines_for_each_process" = "xyes" ; then
1041                   AC_DEFINE(DEFINED_FOR_EACH_PROCESS, 1, [define if for_each_process defined])
1042                  fi
1043                  if test "x$ac_cv_linux_defines_prev_task" = "xyes" ; then
1044                   AC_DEFINE(DEFINED_PREV_TASK, 1, [define if prev_task defined])
1045                  fi
1046                  if test "x$ac_cv_linux_func_inode_setattr_returns_int" = "xyes" ; then
1047                   AC_DEFINE(INODE_SETATTR_NOT_VOID, 1, [define if your setattr return return non-void])
1048                  fi
1049                  if test "x$ac_cv_linux_func_write_inode_returns_int" = "xyes" ; then
1050                   AC_DEFINE(WRITE_INODE_NOT_VOID, 1, [define if your sops.write_inode returns non-void])
1051                  fi
1052                  if test "x$ac_cv_linux_fs_struct_super_has_alloc_inode" = "xyes" ; then
1053                   AC_DEFINE(STRUCT_SUPER_HAS_ALLOC_INODE, 1, [define if your struct super_operations has alloc_inode])
1054                  fi
1055                  if test "x$ac_cv_linux_fs_struct_address_space_has_page_lock" = "xyes"; then
1056                   AC_DEFINE(STRUCT_ADDRESS_SPACE_HAS_PAGE_LOCK, 1, [define if your struct address_space has page_lock])
1057                  fi
1058                  if test "x$ac_cv_linux_fs_struct_address_space_has_gfp_mask" = "xyes"; then
1059                   AC_DEFINE(STRUCT_ADDRESS_SPACE_HAS_GFP_MASK, 1, [define if your struct address_space has gfp_mask])
1060                  fi
1061                  if test "x$ac_cv_linux_fs_struct_inode_has_i_truncate_sem" = "xyes"; then
1062                   AC_DEFINE(STRUCT_INODE_HAS_I_TRUNCATE_SEM, 1, [define if your struct inode has truncate_sem])
1063                  fi
1064                  if test "x$ac_cv_linux_fs_struct_inode_has_i_alloc_sem" = "xyes"; then
1065                   AC_DEFINE(STRUCT_INODE_HAS_I_ALLOC_SEM, 1, [define if your struct inode has alloc_sem])
1066                  fi
1067                  if test "x$ac_cv_linux_fs_struct_inode_has_i_blksize" = "xyes"; then
1068                   AC_DEFINE(STRUCT_INODE_HAS_I_BLKSIZE, 1, [define if your struct inode has i_blksize])
1069                  fi
1070                  if test "x$ac_cv_linux_fs_struct_inode_has_i_devices" = "xyes"; then
1071                   AC_DEFINE(STRUCT_INODE_HAS_I_DEVICES, 1, [define if you struct inode has i_devices])
1072                  fi
1073                  if test "x$ac_cv_linux_fs_struct_inode_has_i_security" = "xyes"; then
1074                   AC_DEFINE(STRUCT_INODE_HAS_I_SECURITY, 1, [define if you struct inode has i_security])
1075                  fi
1076                  if test "x$ac_cv_linux_fs_struct_inode_has_i_mutex" = "xyes"; then
1077                   AC_DEFINE(STRUCT_INODE_HAS_I_MUTEX, 1, [define if you struct inode has i_mutex])
1078                  fi
1079                  if test "x$ac_cv_linux_fs_struct_inode_has_i_sb_list" = "xyes"; then
1080                   AC_DEFINE(STRUCT_INODE_HAS_I_SB_LIST, 1, [define if you struct inode has i_sb_list])
1081                  fi
1082                  if test "x$ac_cv_linux_fs_struct_inode_has_i_dirty_data_buffers" = "xyes"; then
1083                   AC_DEFINE(STRUCT_INODE_HAS_I_DIRTY_DATA_BUFFERS, 1, [define if your struct inode has data_buffers])
1084                  fi
1085                  if test "x$ac_cv_linux_fs_struct_inode_has_inotify_lock" = "xyes"; then
1086                   AC_DEFINE(STRUCT_INODE_HAS_INOTIFY_LOCK, 1, [define if your struct inode has inotify_lock])
1087                  fi
1088                  if test "x$ac_cv_linux_fs_struct_inode_has_inotify_sem" = "xyes"; then
1089                   AC_DEFINE(STRUCT_INODE_HAS_INOTIFY_SEM, 1, [define if your struct inode has inotify_sem])
1090                  fi
1091                  if test "x$ac_cv_linux_func_recalc_sigpending_takes_void" = "xyes"; then
1092                   AC_DEFINE(RECALC_SIGPENDING_TAKES_VOID, 1, [define if your recalc_sigpending takes void])
1093                  fi
1094                  if test "x$ac_cv_linux_kernel_posix_lock_file_wait_arg" = "xyes" ; then
1095                   AC_DEFINE(POSIX_LOCK_FILE_WAIT_ARG, 1, [define if your linux kernel uses 3 arguments for posix_lock_file])
1096                  fi
1097                  if test "x$ac_cv_linux_kernel_is_selinux" = "xyes" ; then
1098                   AC_DEFINE(LINUX_KERNEL_IS_SELINUX, 1, [define if your linux kernel uses SELinux features])
1099                  fi
1100                  if test "x$ac_cv_linux_kernel_sock_create_v" = "xyes" ; then
1101                   AC_DEFINE(LINUX_KERNEL_SOCK_CREATE_V, 1, [define if your linux kernel uses 5 arguments for sock_create])
1102                  fi
1103                  if test "x$ac_cv_linux_kernel_page_follow_link" = "xyes" ; then
1104                   AC_DEFINE(HAVE_KERNEL_PAGE_FOLLOW_LINK, 1, [define if your linux kernel provides page_follow_link])
1105                  fi
1106                  if test "x$ac_cv_linux_kernel_hlist_unhashed" = "xyes" ; then
1107                   AC_DEFINE(HAVE_KERNEL_HLIST_UNHASHED, 1, [define if your linux kernel provides hlist_unhashed])
1108                  fi
1109                  if test "x$ac_linux_syscall" = "xyes" ; then
1110                   AC_DEFINE(HAVE_KERNEL_LINUX_SYSCALL_H, 1, [define if your linux kernel has linux/syscall.h])
1111                  fi
1112                  if test "x$ac_linux_seq_file" = "xyes" ; then
1113                   AC_DEFINE(HAVE_KERNEL_LINUX_SEQ_FILE_H, 1, [define if your linux kernel has linux/seq_file.h])
1114                  fi
1115                  if test "x$ac_cv_linux_sched_struct_task_struct_has_parent" = "xyes"; then
1116                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_PARENT, 1, [define if your struct task_struct has parent])
1117                  fi
1118                  if test "x$ac_cv_linux_sched_struct_task_struct_has_real_parent" = "xyes"; then
1119                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_REAL_PARENT, 1, [define if your struct task_struct has real_parent])
1120                  fi
1121                  if test "x$ac_cv_linux_sched_struct_task_struct_has_sigmask_lock" = "xyes"; then
1122                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_SIGMASK_LOCK, 1, [define if your struct task_struct has sigmask_lock])
1123                  fi
1124                  if test "x$ac_cv_linux_sched_struct_task_struct_has_sighand" = "xyes"; then
1125                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_SIGHAND, 1, [define if your struct task_struct has sighand])
1126                  fi
1127                  if test "x$ac_cv_linux_sched_struct_task_struct_has_sig" = "xyes"; then
1128                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_SIG, 1, [define if your struct task_struct has sig])
1129                  fi
1130                  if test "x$ac_cv_linux_sched_struct_task_struct_has_rlim" = "xyes"; then
1131                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_RLIM, 1, [define if your struct task_struct has rlim])
1132                  fi
1133                  if test "x$ac_cv_linux_sched_struct_task_struct_has_signal_rlim" = "xyes"; then
1134                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_SIGNAL_RLIM, 1, [define if your struct task_struct has signal->rlim])
1135                  fi
1136                  if test "x$ac_cv_linux_sched_struct_task_struct_has_exit_state" = "xyes"; then
1137                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_EXIT_STATE, 1, [define if your struct task_struct has exit_state])
1138                  fi
1139                  if test "x$ac_cv_linux_sched_struct_task_struct_has_tgid" = "xyes"; then
1140                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_TGID, 1, [define if your struct task_struct has tgid])
1141                  fi
1142                  if test "x$ac_cv_linux_sched_struct_task_struct_has_todo" = "xyes"; then
1143                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_TODO, 1, [define if your struct task_struct has todo])
1144                  fi
1145                  if test "x$ac_cv_linux_sched_struct_task_struct_has_thread_info" = "xyes"; then
1146                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_THREAD_INFO, 1, [define if your struct task_struct has thread_info])
1147                  fi
1148                  if test "x$ac_cv_linux_get_sb_has_struct_vfsmount" = "xyes"; then
1149                   AC_DEFINE(GET_SB_HAS_STRUCT_VFSMOUNT, 1, [define if your get_sb_nodev needs a struct vfsmount argument])
1150                  fi
1151                  if test "x$ac_cv_linux_statfs_takes_dentry" = "xyes"; then
1152                   AC_DEFINE(STATFS_TAKES_DENTRY, 1, [define if your statfs takes a dentry argument])
1153                  fi
1154                  if test "x$ac_cv_linux_func_a_writepage_takes_writeback_control" = "xyes" ; then
1155                   AC_DEFINE(AOP_WRITEPAGE_TAKES_WRITEBACK_CONTROL, 1, [define if your aops.writepage takes a struct writeback_control argument])
1156                  fi
1157                  if test "x$ac_cv_linux_func_refrigerator_takes_pf_freeze" = "xyes" ; then
1158                   AC_DEFINE(LINUX_REFRIGERATOR_TAKES_PF_FREEZE, 1, [define if your refrigerator takes PF_FREEZE])
1159                  fi
1160                  if test "x$ac_cv_linux_func_i_create_takes_nameidata" = "xyes" ; then
1161                   AC_DEFINE(IOP_CREATE_TAKES_NAMEIDATA, 1, [define if your iops.create takes a nameidata argument])
1162                  fi
1163                  if test "x$ac_cv_linux_func_f_flush_takes_fl_owner_t" = "xyes" ; then
1164                   AC_DEFINE(FOP_FLUSH_TAKES_FL_OWNER_T, 1, [define if your fops.flush takes an fl_owner_t argument])
1165                  fi
1166                  if test "x$ac_cv_linux_func_i_lookup_takes_nameidata" = "xyes" ; then
1167                   AC_DEFINE(IOP_LOOKUP_TAKES_NAMEIDATA, 1, [define if your iops.lookup takes a nameidata argument])
1168                  fi
1169                  if test "x$ac_cv_linux_func_i_permission_takes_nameidata" = "xyes" ; then
1170                   AC_DEFINE(IOP_PERMISSION_TAKES_NAMEIDATA, 1, [define if your iops.permission takes a nameidata argument])
1171                  fi
1172                  if test "x$ac_cv_linux_func_d_revalidate_takes_nameidata" = "xyes" ; then
1173                   AC_DEFINE(DOP_REVALIDATE_TAKES_NAMEIDATA, 1, [define if your dops.d_revalidate takes a nameidata argument])
1174                  fi
1175                  if test "x$ac_cv_linux_init_work_has_data" = "xyes" ; then
1176                   AC_DEFINE(INIT_WORK_HAS_DATA, 1, [define if INIT_WORK takes a data (3rd) argument])
1177                  fi
1178                  if test "x$ac_cv_linux_fs_struct_fop_has_flock" = "xyes" ; then
1179                   AC_DEFINE(STRUCT_FILE_OPERATIONS_HAS_FLOCK, 1, [define if your struct file_operations has flock])
1180                  fi
1181                  if test "x$ac_cv_linux_fs_struct_fop_has_sendfile" = "xyes" ; then
1182                   AC_DEFINE(STRUCT_FILE_OPERATIONS_HAS_SENDFILE, 1, [define if your struct file_operations has sendfile])
1183                  fi
1184                  if test "x$ac_cv_linux_fs_struct_fop_has_splice" = "xyes" ; then
1185                   AC_DEFINE(STRUCT_FILE_OPERATIONS_HAS_SPLICE, 1, [define if your struct file_operations has splice_write and splice_read])
1186                  fi
1187                  if test "x$ac_cv_linux_register_sysctl_table_noflag" = "xyes" ; then
1188                   AC_DEFINE(REGISTER_SYSCTL_TABLE_NOFLAG, 1, [define if register_sysctl_table has no insert_at head flag])
1189                  fi
1190                  if test "x$ac_cv_linux_sysctl_table_checking" = "xyes" ; then
1191                   AC_DEFINE(SYSCTL_TABLE_CHECKING, 1, [define if your kernel has sysctl table checking])
1192                  fi
1193                  if test "x$ac_cv_linux_have_iget" = "xyes" ; then
1194                   AC_DEFINE(HAVE_IGET, 1, [define if your kernel has iget])
1195                  fi
1196                  if test "x$ac_cv_linux_struct_nameidata_has_path" = "xyes" ; then
1197                   AC_DEFINE(STRUCT_NAMEIDATA_HAS_PATH, 1, [define if your struct nameidata has path])
1198                  fi
1199                  if test "x$ac_cv_linux_exports_init_mm" = "xyes" ; then
1200                   AC_DEFINE(EXPORTED_INIT_MM, 1, [define if your kernel exports init_mm])
1201                  fi
1202                  if test "x$ac_cv_linux_exports_tasklist_lock" = "xyes" ; then
1203                   AC_DEFINE(EXPORTED_TASKLIST_LOCK, 1, [define if tasklist_lock exported])
1204                  fi
1205                  if test "x$ac_cv_linux_have_kmem_cache_t" = "xyes" ; then
1206                   AC_DEFINE(HAVE_KMEM_CACHE_T, 1, [define if kmem_cache_t exists])
1207                  fi
1208                  if test "x$ac_cv_linux_kmem_cache_init" = "xyes" ; then
1209                   AC_DEFINE(KMEM_CACHE_INIT, 1, [define for new kmem_cache init function parameters])
1210                  fi
1211                  if test "x$ac_cv_linux_have_current_kernel_time" = "xyes" ; then
1212                   AC_DEFINE(HAVE_CURRENT_KERNEL_TIME, 1, [define if current_kernel_time() exists])
1213                  fi
1214                  if test "x$ac_cv_linux_have_kmem_cache_t" = "xyes" ; then
1215                   AC_DEFINE(KMEM_CACHE_TAKES_DTOR, 1, [define if kmem_cache_create takes a destructor argument])
1216                  fi
1217                  if test "x$ac_cv_linux_kernel_page_follow_link" = "xyes" -o "x$ac_cv_linux_func_i_put_link_takes_cookie" = "xyes"; then
1218                   AC_DEFINE(USABLE_KERNEL_PAGE_SYMLINK_CACHE, 1, [define if your kernel has a usable symlink cache API])
1219                  else
1220                   AC_MSG_WARN([your kernel does not have a usable symlink cache API])
1221                  fi
1222                  if test "x$ac_cv_linux_have_svc_addr_in" = "xyes"; then
1223                   AC_DEFINE(HAVE_SVC_ADDR_IN, 1, [define if svc_add_in exists])
1224                  fi
1225                 :
1226                 fi
1227 esac
1228
1229 case $AFS_SYSNAME in
1230         *_darwin*)
1231                 DARWIN_PLIST=src/libafs/afs.${AFS_SYSNAME}.plist
1232                 DARWIN_INFOFILE=afs.${AFS_SYSNAME}.plist
1233                 dnl the test below fails on darwin, even if the CPPFLAGS below
1234                 dnl are added. the headers from Kernel.framework must be used
1235                 dnl when KERNEL is defined.
1236
1237                 dnl really, such a thing isn't guaranteed to work on any
1238                 dnl platform until the kernel cflags from MakefileProto are
1239                 dnl known to configure
1240                 AC_DEFINE(HAVE_STRUCT_BUF, 1, [define if you have a struct buf])
1241                 ;;
1242         *)
1243 AC_MSG_CHECKING(for definition of struct buf)
1244 dnl save_CPPFLAGS="$CPPFLAGS"
1245 dnl CPPFLAGS="$CPPFLAGS -DKERNEL -D_KERNEL -D__KERNEL -D__KERNEL__"
1246 AC_CACHE_VAL(ac_cv_have_struct_buf, [
1247         ac_cv_have_struct_buf=no
1248         AC_TRY_COMPILE(
1249                 [#include <sys/buf.h>],
1250                 [struct buf x;
1251                 printf("%d\n", sizeof(x));],
1252                 ac_cv_have_struct_buf=yes,)
1253         ]
1254 )
1255 dnl CPPFLAGS="$save_CPPFLAGS"
1256 AC_MSG_RESULT($ac_cv_have_struct_buf)
1257 if test "$ac_cv_have_struct_buf" = yes; then
1258         AC_DEFINE(HAVE_STRUCT_BUF, 1, [define if you have a struct buf])
1259 fi
1260 ;;
1261 esac
1262
1263
1264 AC_CACHE_VAL(ac_cv_sockaddr_len,
1265 [
1266 AC_MSG_CHECKING([if struct sockaddr has sa_len field])
1267 AC_TRY_COMPILE( [#include <sys/types.h>
1268 #include <sys/socket.h>],
1269 [struct sockaddr *a;
1270 a->sa_len=0;], ac_cv_sockaddr_len=yes, ac_cv_sockaddr_len=no)
1271 AC_MSG_RESULT($ac_cv_sockaddr_len)])
1272 if test "$ac_cv_sockaddr_len" = "yes"; then
1273    AC_DEFINE(STRUCT_SOCKADDR_HAS_SA_LEN, 1, [define if you struct sockaddr sa_len])
1274 fi
1275 if test "x${MKAFS_OSTYPE}" = "xIRIX"; then
1276         echo Skipping library tests because they confuse Irix.
1277 else
1278   AC_CHECK_FUNCS(socket)
1279
1280   if test "$ac_cv_func_socket" = no; then
1281     for lib in socket inet; do
1282         if test "$HAVE_SOCKET" != 1; then
1283                 AC_CHECK_LIB(${lib}, socket,LIBS="$LIBS -l$lib";HAVE_SOCKET=1;AC_DEFINE(HAVE_SOCKET, 1, [define if you have socket]))
1284         fi
1285     done
1286   fi
1287
1288   AC_CHECK_FUNCS(connect)
1289
1290   if test "$ac_cv_func_connect" = no; then
1291     for lib in nsl; do
1292         if test "$HAVE_CONNECT" != 1; then
1293                 AC_CHECK_LIB(${lib}, connect,LIBS="$LIBS -l$lib";HAVE_CONNECT=1;AC_DEFINE(HAVE_CONNECT, 1, [define if you have connect]))
1294         fi
1295     done
1296   fi
1297
1298   AC_CHECK_FUNCS(gethostbyname)
1299   if test "$ac_cv_func_gethostbyname" = no; then
1300         for lib in dns nsl resolv; do
1301           if test "$HAVE_GETHOSTBYNAME" != 1; then
1302             AC_CHECK_LIB(${lib}, gethostbyname, LIBS="$LIBS -l$lib";HAVE_GETHOSTBYNAME=1;AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [define if you have gethostbyname]))
1303           fi
1304         done
1305   fi
1306
1307   dnl darwin wants it, aix hates it
1308   AC_MSG_CHECKING(for the useability of arpa/nameser_compat.h)
1309   AC_TRY_COMPILE([
1310   #include <stdlib.h>
1311   #include <stdio.h>
1312   #include <sys/types.h>
1313   #include <sys/socket.h>
1314   #include <netinet/in.h>
1315   #include <arpa/inet.h>
1316   #include <arpa/nameser.h>
1317   #include <arpa/nameser_compat.h>
1318   #include <resolv.h>
1319   ], [static int i; i = 0;],
1320   [AC_MSG_RESULT(yes)
1321    AC_DEFINE(HAVE_ARPA_NAMESER_COMPAT_H, 1, [define if arpa/nameser_compat.h exists])],
1322   [AC_MSG_RESULT(no)
1323    ])
1324
1325   openafs_save_libs="$LIBS"
1326   AC_MSG_CHECKING([for res_search])
1327   AC_FUNC_RES_SEARCH
1328
1329   if test "$ac_cv_func_res_search" = no; then
1330       for lib in dns nsl resolv; do
1331         if test "$ac_cv_func_res_search" != yes; then
1332           LIBS="-l$lib $LIBS"
1333           AC_FUNC_RES_SEARCH
1334           LIBS="$openafs_save_libs"
1335         fi
1336       done
1337       if test "$ac_cv_func_res_search" = yes; then
1338         LIB_res_search="-l$lib"
1339         AC_DEFINE(HAVE_RES_SEARCH, 1, [])
1340         AC_MSG_RESULT([yes, in lib$lib])
1341       else
1342         AC_MSG_RESULT(no)
1343       fi
1344   else
1345     AC_DEFINE(HAVE_RES_SEARCH, 1, [])
1346     AC_MSG_RESULT(yes)
1347   fi
1348
1349 fi
1350
1351 AC_CACHE_VAL(ac_cv_setsockopt_iprecverr,
1352 [
1353 AC_MSG_CHECKING([for setsockopt(, SOL_IP, IP_RECVERR)])
1354 AC_TRY_COMPILE( [#include <sys/types.h>
1355 #include <sys/socket.h>
1356 #include <netinet/in.h>],
1357 [int on=1;
1358 setsockopt(0, SOL_IP, IP_RECVERR, &on, sizeof(on));], ac_cv_setsockopt_iprecverr=yes, ac_cv_setsockopt_iprecverr=no)
1359 AC_MSG_RESULT($ac_cv_setsockopt_iprecverr)])
1360 if test "$ac_cv_setsockopt_iprecverr" = "yes"; then
1361    AC_DEFINE(ADAPT_PMTU_RECVERR, 1, [define if asynchronous socket errors can be received])
1362 fi
1363
1364 PTHREAD_LIBS=error
1365 if test "x$MKAFS_OSTYPE" = OBSD; then
1366         PTHREAD_LIBS="-pthread"
1367 fi
1368 if test "x$MKAFS_OSTYPE" = xDFBSD; then
1369         PTHREAD_LIBS="-pthread"
1370 fi
1371 if test "x$PTHREAD_LIBS" = xerror; then
1372         AC_CHECK_LIB(pthread, pthread_attr_init,
1373                 PTHREAD_LIBS="-lpthread")
1374 fi
1375 if test "x$PTHREAD_LIBS" = xerror; then
1376         AC_CHECK_LIB(pthreads, pthread_attr_init,
1377                 PTHREAD_LIBS="-lpthreads")
1378 fi
1379 if test "x$PTHREAD_LIBS" = xerror; then
1380         AC_CHECK_LIB(c_r, pthread_attr_init,
1381                 PTHREAD_LIBS="-lc_r")
1382 fi
1383 if test "x$PTHREAD_LIBS" = xerror; then
1384         AC_CHECK_FUNC(pthread_attr_init, PTHREAD_LIBS="")
1385 fi
1386 if test "x$PTHREAD_LIBS" = xerror; then
1387         # pthread_attr_init is a macro under HPUX 11.0 and 11.11
1388         AC_CHECK_LIB(pthread, pthread_attr_destroy,
1389                 PTHREAD_LIBS="-lpthread")
1390 fi
1391 if test "x$PTHREAD_LIBS" = xerror; then
1392         AC_MSG_WARN(*** Unable to locate working posix thread library ***)
1393 fi
1394 AC_SUBST(PTHREAD_LIBS)
1395
1396 HOST_CPU="$host_cpu"
1397
1398 if test "x$with_bsd_kernel_headers" != "x"; then
1399         BSD_KERNEL_PATH="$with_bsd_kernel_headers"
1400 else
1401         BSD_KERNEL_PATH="/usr/src/sys"
1402 fi
1403
1404 if test "x$with_bsd_kernel_build" != "x"; then
1405         BSD_KERNEL_BUILD="$with_bsd_kernel_build"
1406 else
1407         case $AFS_SYSNAME in
1408                 *_fbsd_4?)
1409                         BSD_KERNEL_BUILD="${BSD_KERNEL_PATH}/compile/GENERIC"
1410                         ;;
1411                 *_fbsd_*)
1412                         BSD_KERNEL_BUILD="${BSD_KERNEL_PATH}/${HOST_CPU}/compile/GENERIC"
1413                         ;;
1414         esac
1415 fi
1416
1417 # Fast restart
1418 if test "$enable_supergroups" = "yes"; then
1419         AC_DEFINE(SUPERGROUPS, 1, [define if you want to have support for nested pts groups])
1420 fi
1421
1422 if test "$enable_fast_restart" = "yes"; then
1423         AC_DEFINE(FAST_RESTART, 1, [define if you want to have fast restart])
1424 fi
1425
1426 if test "$enable_bitmap_later" = "yes"; then
1427         AC_DEFINE(BITMAP_LATER, 1, [define if you want to salvager to check bitmasks later])
1428 fi
1429
1430 if test "$enable_demand_attach_fs" = "yes"; then
1431         AC_DEFINE(DEMAND_ATTACH_ENABLE, 1, [define if you want the demand attach fileserver])
1432         DEMAND_ATTACH="yes"
1433 else
1434         DEMAND_ATTACH="no"
1435 fi
1436 AC_SUBST(DEMAND_ATTACH)
1437
1438 if test "$enable_disconnected" = "yes"; then
1439         AC_DEFINE(AFS_DISCON_ENV, 1, [define if you want support for disconnected operation])
1440 fi
1441
1442 if test "$enable_unix_sockets" = "yes"; then
1443         AC_DEFINE(USE_UNIX_SOCKETS, 1, [define if you want to use UNIX sockets for fssync.])
1444         USE_UNIX_SOCKETS="yes"
1445 else
1446         USE_UNIX_SOCKETS="no"
1447 fi
1448 AC_SUBST(USE_UNIX_SOCKETS)
1449
1450 if test "$enable_fast_restart" = "yes" &&
1451    test "$enable_demand_attach_fs" = "yes" ; then
1452         AC_MSG_ERROR([The Demand Attach and Fast Restart extensions are mutually exclusive.  Demand Attach fileservers automatically salvage volumes in the background, thereby making Fast Restart pointless.])
1453         exit 1
1454 fi
1455
1456 if test "$enable_full_vos_listvol_switch" = "yes"; then
1457         AC_DEFINE(FULL_LISTVOL_SWITCH, 1, [define if you want to want listvol switch])
1458 fi
1459
1460 if test "$enable_icmp_pmtu_discovery" = "yes"; then
1461    if test "$ac_cv_setsockopt_iprecverr" = "yes"; then
1462         AC_DEFINE(ADAPT_PMTU, 1, [define if you want to decode icmp unreachable packets to discover path mtu])
1463    fi
1464 fi
1465
1466 if test "$enable_bos_restricted_mode" = "yes"; then
1467         AC_DEFINE(BOS_RESTRICTED_MODE, 1, [define if you want to want bos restricted mode])
1468 fi
1469
1470 if test "$enable_bos_new_config" = "yes"; then
1471         AC_DEFINE(BOS_NEW_CONFIG, 1, [define if you want to enable automatic renaming of BosConfig.new to BosConfig at startup])
1472 fi
1473
1474 if test "$enable_largefile_fileserver" = "yes"; then
1475         AC_DEFINE(AFS_LARGEFILE_ENV, 1, [define if you want large file fileserver])
1476 fi
1477
1478 if test "$enable_cache_bypass" = "yes"; then
1479         AC_DEFINE(AFS_CACHE_BYPASS, 1, [define to activate cache bypassing Unix client])
1480 fi
1481
1482 if test "$enable_namei_fileserver" = "yes"; then
1483         AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1484         VFSCK=""
1485 else
1486         if test "$enable_namei_fileserver" = "default"; then
1487                 case $host in
1488                         *-solaris2.10*)
1489                                 AC_MSG_WARN(Some Solaris 10 versions are not safe with the inode fileserver. Forcing namei. Override with --disable-namei-fileserver)
1490                                 AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1491                                 VFSCK=""
1492                                 ;;
1493                         *-solaris2.11*)
1494                                 AC_MSG_WARN(Solaris 11 versions are not safe with the inode fileserver. Forcing namei. Override with --disable-namei-fileserver)
1495                                 AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1496                                 VFSCK=""
1497                                 ;;
1498                         *)
1499                                 VFSCK="vfsck"
1500                                 ;;
1501                 esac
1502         else
1503                 VFSCK="vfsck"
1504         fi
1505 fi
1506
1507 if test "$enable_afsdb" = "yes"; then
1508         LIB_AFSDB="$LIB_res_search"
1509         AC_DEFINE(AFS_AFSDB_ENV, 1, [define if you want to want search afsdb rr])
1510 fi
1511
1512 dnl check for tivoli
1513 AC_MSG_CHECKING(for tivoli tsm butc support)
1514 XBSA_CFLAGS=""
1515 if test "$enable_tivoli_tsm" = "yes"; then
1516         XBSADIR1=/usr/tivoli/tsm/client/api/bin/xopen
1517         XBSADIR2=/opt/tivoli/tsm/client/api/bin/xopen
1518         XBSADIR3=/usr/tivoli/tsm/client/api/bin/sample
1519         XBSADIR4=/opt/tivoli/tsm/client/api/bin/sample
1520
1521         if test -r "$XBSADIR3/dsmapifp.h"; then
1522                 XBSA_CFLAGS="-Dxbsa -DNEW_XBSA -I$XBSADIR3"
1523                 XBSA_XLIBS="-ldl"
1524                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1525         elif test -r "$XBSADIR4/dsmapifp.h"; then
1526                 XBSA_CFLAGS="-Dxbsa -DNEW_XBSA -I$XBSADIR4"
1527                 XBSA_XLIBS="-ldl"
1528                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1529         elif test -r "$XBSADIR1/xbsa.h"; then
1530                 XBSA_CFLAGS="-Dxbsa -I$XBSADIR1"
1531                 XBSA_XLIBS=""
1532                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1533         elif test -r "$XBSADIR2/xbsa.h"; then
1534                 XBSA_CFLAGS="-Dxbsa -I$XBSADIR2"
1535                 XBSA_XLIBS=""
1536                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1537         else
1538                 AC_MSG_RESULT([no, missing xbsa.h and dsmapifp.h header files])
1539         fi
1540 else
1541         AC_MSG_RESULT([no])
1542 fi
1543 AC_SUBST(XBSA_CFLAGS)
1544 AC_SUBST(XBSA_XLIBS)
1545
1546 dnl checks for header files.
1547 AC_HEADER_STDC
1548 AC_HEADER_SYS_WAIT
1549 AC_HEADER_DIRENT
1550 AC_CHECK_HEADERS(stdlib.h string.h unistd.h poll.h fcntl.h sys/time.h sys/file.h)
1551 AC_CHECK_HEADERS(netinet/in.h netdb.h sys/fcntl.h sys/mnttab.h sys/mntent.h)
1552 AC_CHECK_HEADERS(mntent.h sys/vfs.h sys/param.h sys/fs_types.h sys/fstyp.h)
1553 AC_CHECK_HEADERS(sys/mount.h strings.h termios.h signal.h poll.h sys/pag.h)
1554 AC_CHECK_HEADERS(windows.h malloc.h winsock2.h direct.h io.h sys/user.h)
1555 AC_CHECK_HEADERS(security/pam_modules.h siad.h usersec.h ucontext.h regex.h values.h sys/statvfs.h sys/statfs.h sys/bitypes.h)
1556 AC_CHECK_HEADERS(linux/errqueue.h,,,[#include <linux/types.h>])
1557
1558 AC_CHECK_TYPES([fsblkcnt_t],,,[
1559 #include <sys/types.h>
1560 #ifdef HAVE_SYS_BITYPES_H
1561 #include <sys/bitypes.h>
1562 #endif
1563 #ifdef HAVE_SYS_STATFS_H
1564 #include <sys/statfs.h>
1565 #endif
1566 #ifdef HAVE_SYS_STATVFS_H
1567 #include <sys/statvfs.h>
1568 #endif
1569 ])
1570
1571 dnl Don't build PAM on IRIX; the interface doesn't work for us.
1572 if test "$ac_cv_header_security_pam_modules_h" = yes -a "$enable_pam" = yes; then
1573         case $AFS_SYSNAME in
1574         sgi_*)
1575                 HAVE_PAM="no"
1576                 ;;
1577         *)
1578                 HAVE_PAM="yes"
1579                 ;;
1580         esac
1581 else
1582         HAVE_PAM="no"
1583 fi
1584 AC_SUBST(HAVE_PAM)
1585
1586 if test "$enable_login" = yes; then
1587         BUILD_LOGIN="yes"
1588 else
1589         BUILD_LOGIN="no"
1590 fi
1591 AC_SUBST(BUILD_LOGIN)
1592
1593 AC_CHECK_FUNCS(utimes random srandom getdtablesize snprintf strlcat strlcpy re_comp re_exec flock)
1594 AC_CHECK_FUNCS(setprogname getprogname sigaction mkstemp vsnprintf strerror strcasestr)
1595 AC_CHECK_FUNCS(setvbuf vsyslog getcwd)
1596 AC_FUNC_SETVBUF_REVERSED
1597 AC_CHECK_FUNCS(regcomp regexec regerror)
1598 AC_MSG_CHECKING([for POSIX regex library])
1599 if test "$ac_cv_header_regex_h" = "yes" && \
1600         test "$ac_cv_func_regcomp" = "yes" && \
1601         test "$ac_cv_func_regexec" = "yes" && \
1602         test "$ac_cv_func_regerror" = "yes"; then
1603     AC_DEFINE(HAVE_POSIX_REGEX, 1, [define if you have POSIX regex library])
1604     AC_MSG_RESULT(yes)
1605 else
1606     AC_MSG_RESULT(no)
1607 fi
1608
1609 AC_TYPE_SOCKLEN_T
1610 AC_TYPE_SIGNAL
1611 AC_CHECK_TYPE(ssize_t, int)
1612 AC_CHECK_TYPES(sig_t, , ,
1613   [#include <sys/types.h>
1614    #include <signal.h> ])
1615 AH_BOTTOM(
1616 [#ifndef HAVE_SIG_T
1617 #ifndef SIG_T_DEFINED
1618 #define SIG_T_DEFINED
1619 typedef RETSIGTYPE (*sig_t) ();
1620 #endif
1621 #endif])
1622 AC_CHECK_TYPE([sig_atomic_t], ,
1623     [AC_DEFINE([sig_atomic_t], [int],
1624         [Define to int if <signal.h> does not define.])],
1625 [#include <sys/types.h>
1626 #include <signal.h>])
1627 AC_SIZEOF_TYPE(long)
1628
1629 AC_CHECK_FUNCS(timegm)
1630 AC_CHECK_FUNCS(daemon)
1631
1632 dnl Directory PATH handling
1633 if test "x$enable_transarc_paths" = "xyes"  ; then
1634     afsconfdir=${afsconfdir=/usr/afs/etc}
1635     viceetcdir=${viceetcdir=/usr/vice/etc}
1636     afskerneldir=${afskerneldir=${viceetcdir}}
1637     afssrvbindir=${afssrvbindir=/usr/afs/bin}
1638     afssrvsbindir=${afssrvsbindir=/usr/afs/bin}
1639     afssrvlibexecdir=${afssrvlibexecdir=/usr/afs/bin}
1640     afsdbdir=${afsdbdir=/usr/afs/db}
1641     afslogsdir=${afslogsdir=/usr/afs/logs}
1642     afslocaldir=${afslocaldir=/usr/afs/local}
1643     afsbackupdir=${afsbackupdir=/usr/afs/backup}
1644     afsbosconfigdir=${afsbosconfigdir=/usr/afs/local}
1645     afsdatadir=${afsdatadir=/usr/vice/etc}
1646 else
1647     afsconfdir=${afsconfdir='${sysconfdir}/openafs/server'}
1648     viceetcdir=${viceetcdir='${sysconfdir}/openafs'}
1649     afskerneldir=${afskerneldir='${libdir}/openafs'}
1650     afssrvbindir=${afssrvbindir='${bindir}'}
1651     afssrvsbindir=${afssrvsbindir='${sbindir}'}
1652     afssrvlibexecdir=${afssrvlibexecdir='${libexecdir}/openafs'}
1653     afsdbdir=${afsdbdir='${localstatedir}/openafs/db'}
1654     afslogsdir=${afslogsdir='${localstatedir}/openafs/logs'}
1655     afslocaldir=${afslocaldir='${localstatedir}/openafs'}
1656     afsbackupdir=${afsbackupdir='${localstatedir}/openafs/backup'}
1657     afsbosconfigdir=${afsbosconfigdir='${sysconfdir}/openafs'}
1658     afsdatadir=${afsdatadir='${datadir}/openafs'}
1659 fi
1660 AC_SUBST(afsconfdir)
1661 AC_SUBST(viceetcdir)
1662 AC_SUBST(afskerneldir)
1663 AC_SUBST(afssrvbindir)
1664 AC_SUBST(afssrvsbindir)
1665 AC_SUBST(afssrvlibexecdir)
1666 AC_SUBST(afsdbdir)
1667 AC_SUBST(afslogsdir)
1668 AC_SUBST(afslocaldir)
1669 AC_SUBST(afsbackupdir)
1670 AC_SUBST(afsbosconfigdir)
1671 AC_SUBST(afsdatadir)
1672
1673 if test "x$enable_kernel_module" = "xyes"; then
1674 ENABLE_KERNEL_MODULE=libafs
1675 fi
1676
1677 if test "x$enable_pthreaded_ubik" = "xyes"; then
1678 ENABLE_PTHREADED_UBIK=yes
1679 fi
1680
1681 AC_SUBST(VFSCK)
1682 AC_SUBST(AFS_SYSNAME)
1683 AC_SUBST(AFS_PARAM_COMMON)
1684 AC_SUBST(ENABLE_KERNEL_MODULE)
1685 AC_SUBST(ENABLE_PTHREADED_UBIK)
1686 AC_SUBST(LIB_AFSDB)
1687 AC_SUBST(LINUX_KERNEL_PATH)
1688 AC_SUBST(LINUX_KERNEL_BUILD)
1689 AC_SUBST(HOST_CPU)
1690 AC_SUBST(BSD_KERNEL_PATH)
1691 AC_SUBST(BSD_KERNEL_BUILD)
1692 AC_SUBST(LINUX_VERSION)
1693 AC_SUBST(MKAFS_OSTYPE)
1694 AC_SUBST(TOP_OBJDIR)
1695 AC_SUBST(TOP_SRCDIR)
1696 AC_SUBST(TOP_INCDIR)
1697 AC_SUBST(TOP_LIBDIR)
1698 AC_SUBST(DEST)
1699 AC_SUBST(DARWIN_INFOFILE)
1700 AC_SUBST(IRIX_BUILD_IP35)
1701 AC_SUBST(HTML_XSL)
1702 AC_SUBST(XSLTPROC)
1703
1704 OPENAFS_OSCONF
1705 OPENAFS_KRB5CONF
1706
1707 TOP_SRCDIR="${srcdir}/src"
1708 dnl
1709 dnl If we're using ./configure, need a more reasonable TOP_SRCDIR, since relative links don't work everywhere
1710 dnl
1711 case $TOP_SRCDIR in
1712         /*)
1713                 ;;
1714         *)
1715                 TOP_SRCDIR=`cd $TOP_SRCDIR; pwd`
1716                 ;;
1717 esac
1718
1719 TOP_OBJDIR="${SRCDIR_PARENT}"
1720 TOP_INCDIR="${SRCDIR_PARENT}/include"
1721 TOP_LIBDIR="${SRCDIR_PARENT}/lib"
1722 if test "${DEST}x" = "x"; then
1723         DEST="${SRCDIR_PARENT}/${AFS_SYSNAME}/dest"
1724 fi
1725
1726 HELPER_SPLINT="${TOP_SRCDIR}/helper-splint.sh"
1727 HELPER_SPLINTCFG="${TOP_SRCDIR}/splint.cfg"
1728 AC_SUBST(HELPER_SPLINT)
1729 AC_SUBST(HELPER_SPLINTCFG)
1730
1731 mkdir -p ${TOP_OBJDIR}/src/JAVA/libjafs
1732
1733 ])