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                 sparc-sun-solaris2.5*)
 672                         AFS_SYSNAME="sun4x_55"
 673                         enable_login="yes"
 674                         ;;
 675                 sparc-sun-solaris2.6)
 676                         AFS_SYSNAME="sun4x_56"
 677                         ;;
 678                 sparc-sun-solaris2.7)
 679                         AFS_SYSNAME="sun4x_57"
 680                         ;;
 681                 sparc-sun-solaris2.8)
 682                         AFS_SYSNAME="sun4x_58"
 683                         ;;
 684                 sparc-sun-solaris2.9)
 685                         AFS_SYSNAME="sun4x_59"
 686                         ;;
 687                 sparc-sun-solaris2.10)
 688                         AFS_SYSNAME="sun4x_510"
 689                         ;;
 690                 sparc-sun-solaris2.11)
 691                         AFS_SYSNAME="sun4x_511"
 692                         ;;
 693                 sparc-sun-sunos4*)
 694                         AFS_SYSNAME="sun4_413"
 695                         enable_login="yes"
 696                         ;;
 697                 i386-pc-solaris2.7)
 698                         AFS_SYSNAME="sunx86_57"
 699                         ;;
 700                 i386-pc-solaris2.8)
 701                         AFS_SYSNAME="sunx86_58"
 702                         ;;
 703                 i386-pc-solaris2.9)
 704                         AFS_SYSNAME="sunx86_59"
 705                         ;;
 706                 i386-pc-solaris2.10)
 707                         AFS_SYSNAME="sunx86_510"
 708                         ;;
 709                 i386-pc-solaris2.11)
 710                         AFS_SYSNAME="sunx86_511"
 711                         ;;
 712                 alpha*-dec-osf4.0*)
 713                         AFS_SYSNAME="alpha_dux40"
 714                         ;;
 715                 alpha*-dec-osf5.0*)
 716                         AFS_SYSNAME="alpha_dux50"
 717                         ;;
 718                 alpha*-dec-osf5.1*)
 719                         AFS_SYSNAME="alpha_dux51"
 720                         ;;
 721                 mips-sgi-irix6.5)
 722                         AFS_SYSNAME="sgi_65"
 723                         ;;
 724                 ia64-*-linux*)
 725                         AFS_SYSNAME="ia64_linuxXX"
 726                         ;;
 727                 powerpc-*-linux*)
 728                         AFS_SYSNAME="`/bin/arch`_linuxXX"
 729                         ;;
 730                 powerpc64-*-linux*)
 731                         AFS_SYSNAME="ppc64_linuxXX"
 732                         ;;
 733                 alpha*-linux*)
 734                         AFS_SYSNAME="alpha_linux_XX"
 735                         ;;
 736                 s390-*-linux*)
 737                         AFS_SYSNAME="s390_linuxXX"
 738                         ;;
 739                 s390x-*-linux*)
 740                         AFS_SYSNAME="s390x_linuxXX"
 741                         ;;
 742                 sparc-*-linux*)
 743                         AFS_SYSNAME="`/bin/arch`_linuxXX"
 744                         ;;
 745                 sparc64-*-linux*)
 746                         AFS_SYSNAME="sparc64_linuxXX"
 747                         ;;
 748                 i?86-*-linux*)
 749                         AFS_SYSNAME="i386_linuxXX"
 750                         ;;
 751                 parisc-*-linux-gnu|hppa-*-linux-gnu)
 752                         AFS_SYSNAME="parisc_linuxXX"
 753                         enable_pam="no"
 754                         ;;
 755                 power*-ibm-aix4.2*)
 756                         AFS_SYSNAME="rs_aix42"
 757                         enable_pam="no"
 758                         ;;
 759                 power*-ibm-aix4.3*)
 760                         AFS_SYSNAME="rs_aix42"
 761                         enable_pam="no"
 762                         ;;
 763                 power*-ibm-aix5.1*)
 764                         AFS_SYSNAME="rs_aix51"
 765                         enable_pam="no"
 766                         ;;
 767                 power*-ibm-aix5.2*)
 768                         AFS_SYSNAME="rs_aix52"
 769                         enable_pam="no"
 770                         ;;
 771                 power*-ibm-aix5.3*)
 772                         AFS_SYSNAME="rs_aix53"
 773                         enable_pam="no"
 774                         ;;
 775                 power*-ibm-aix6.1*)
 776                         AFS_SYSNAME="rs_aix61"
 777                         enable_pam="no"
 778                         ;;
 779                 x86_64-*-linux-gnu)
 780                         AFS_SYSNAME="amd64_linuxXX"
 781                         enable_pam="no"
 782                         ;;
 783                 *)
 784                         AC_MSG_ERROR(An AFS sysname is required)
 785                         exit 1
 786                         ;;
 787         esac
 788         case $AFS_SYSNAME in
 789                 *_linux* | *_umlinux*)
 790                         if test "x${AFS_SYSKVERS}" = "x"; then
 791                          AC_MSG_ERROR(Couldn't guess your Linux version. Please use the --with-afs-sysname option to configure an AFS sysname.)
 792                         fi
 793                         _AFS_SYSNAME=`echo $AFS_SYSNAME|sed s/XX\$/$AFS_SYSKVERS/`
 794                         AFS_SYSNAME="$_AFS_SYSNAME"
 795                         save_CPPFLAGS="$CPPFLAGS"
 796                         CPPFLAGS="-I${LINUX_KERNEL_PATH}/include $CPPFLAGS"
 797                         AC_TRY_COMPILE(
 798                          [#include <linux/autoconf.h>],
 799                          [#ifndef CONFIG_USERMODE
 800                           #error not UML
 801                           #endif],
 802                          ac_cv_linux_is_uml=yes,)
 803                         if test "${ac_cv_linux_is_uml}" = yes; then
 804                          _AFS_SYSNAME=`echo $AFS_SYSNAME|sed s/linux/umlinux/`
 805                         fi
 806                         CPPFLAGS="$save_CPPFLAGS"
 807                         AFS_SYSNAME="$_AFS_SYSNAME"
 808                         ;;
 809         esac
 810         AC_MSG_RESULT($AFS_SYSNAME)
 811 fi
 812
 813 dnl Some hosts have a separate common param file they should include.  Figure
 814 dnl out if we're on one of them now that we know the sysname.
 815 case $AFS_SYSNAME in
 816     *_nbsd15)   AFS_PARAM_COMMON=param.nbsd15.h  ;;
 817     *_nbsd16)   AFS_PARAM_COMMON=param.nbsd16.h  ;;
 818     *_nbsd20)   AFS_PARAM_COMMON=param.nbsd20.h  ;;
 819     *_nbsd21)   AFS_PARAM_COMMON=param.nbsd21.h  ;;
 820     *_nbsd30)   AFS_PARAM_COMMON=param.nbsd30.h  ;;
 821     *_nbsd40)   AFS_PARAM_COMMON=param.nbsd40.h  ;;
 822     *_linux22)  AFS_PARAM_COMMON=param.linux22.h ;;
 823     *_linux24)  AFS_PARAM_COMMON=param.linux24.h ;;
 824     *_linux26)  AFS_PARAM_COMMON=param.linux26.h ;;
 825 esac
 826
 827 case $AFS_SYSNAME in *_linux* | *_umlinux*)
 828
 829                 # Add (sub-) architecture-specific paths needed by conftests
 830                 case $AFS_SYSNAME  in
 831                         *_umlinux26)
 832                                 UMLINUX26_FLAGS="-I$LINUX_KERNEL_PATH/arch/um/include"
 833                                 UMLINUX26_FLAGS="$UMLINUX26_FLAGS -I$LINUX_KERNEL_PATH/arch/um/kernel/tt/include"
 834                                 UMLINUX26_FLAGS="$UMLINUX26_FLAGS -I$LINUX_KERNEL_PATH/arch/um/kernel/skas/include"
 835                                 CPPFLAGS="$CPPFLAGS $UMLINUX26_FLAGS"
 836                 esac
 837
 838                 if test "x$enable_kernel_module" = "xyes"; then
 839                  if test "x$enable_debug_kernel" = "xno"; then
 840                         LINUX_GCC_KOPTS="$LINUX_GCC_KOPTS -fomit-frame-pointer"
 841                  fi
 842                  OPENAFS_GCC_SUPPORTS_MARCH
 843                  AC_SUBST(P5PLUS_KOPTS)
 844                  OPENAFS_GCC_NEEDS_NO_STRENGTH_REDUCE
 845                  OPENAFS_GCC_NEEDS_NO_STRICT_ALIASING
 846                  OPENAFS_GCC_SUPPORTS_NO_COMMON
 847                  OPENAFS_GCC_SUPPORTS_PIPE
 848                  AC_SUBST(LINUX_GCC_KOPTS)
 849                  ifdef([OPENAFS_CONFIGURE_LIBAFS],
 850                    [LINUX_BUILD_VNODE_FROM_INODE(src/config,src/afs)],
 851                    [LINUX_BUILD_VNODE_FROM_INODE(${srcdir}/src/config,src/afs/LINUX,${srcdir}/src/afs/LINUX)]
 852                  )
 853
 854                  LINUX_KBUILD_USES_EXTRA_CFLAGS
 855                  LINUX_KERNEL_COMPILE_WORKS
 856                  LINUX_EXPORTS_FIND_TASK_BY_PID
 857                  LINUX_EXPORTS_PROC_ROOT_FS
 858                  LINUX_HAVE_CURRENT_KERNEL_TIME
 859                  LINUX_HAVE_WRITE_BEGIN_AOP
 860                  LINUX_HAVE_BDI_INIT
 861                  LINUX_KMEM_CACHE_INIT
 862                  LINUX_HAVE_GRAB_CACHE_PAGE_WRITE_BEGIN
 863                  LINUX_STRUCT_TASK_HAS_CRED
 864                  LINUX_STRUCT_PROC_DIR_ENTRY_HAS_OWNER
 865                  LINUX_HAVE_KMEM_CACHE_T
 866                  LINUX_KMEM_CACHE_CREATE_TAKES_DTOR
 867                  LINUX_D_PATH_TAKES_STRUCT_PATH
 868                  LINUX_NEW_EXPORT_OPS
 869                  LINUX_CONFIG_H_EXISTS
 870                  LINUX_COMPLETION_H_EXISTS
 871                  LINUX_SEMAPHORE_H_EXISTS
 872                  LINUX_EXPORTFS_H_EXISTS
 873                  LINUX_DEFINES_FOR_EACH_PROCESS
 874                  LINUX_DEFINES_PREV_TASK
 875                  LINUX_FS_STRUCT_SUPER_HAS_ALLOC_INODE
 876                  LINUX_FS_STRUCT_ADDRESS_SPACE_HAS_PAGE_LOCK
 877                  LINUX_FS_STRUCT_ADDRESS_SPACE_HAS_GFP_MASK
 878                  LINUX_FS_STRUCT_INODE_HAS_I_ALLOC_SEM
 879                  LINUX_FS_STRUCT_INODE_HAS_I_BLKBITS
 880                  LINUX_FS_STRUCT_INODE_HAS_I_BLKSIZE
 881                  LINUX_FS_STRUCT_INODE_HAS_I_TRUNCATE_SEM
 882                  LINUX_FS_STRUCT_INODE_HAS_I_DIRTY_DATA_BUFFERS
 883                  LINUX_FS_STRUCT_INODE_HAS_I_DEVICES
 884                  LINUX_FS_STRUCT_INODE_HAS_I_MMAP_SHARED
 885                  LINUX_FS_STRUCT_INODE_HAS_I_MUTEX
 886                  LINUX_FS_STRUCT_INODE_HAS_I_SB_LIST
 887                  LINUX_FS_STRUCT_INODE_HAS_I_SECURITY
 888                  LINUX_FS_STRUCT_INODE_HAS_INOTIFY_LOCK
 889                  LINUX_FS_STRUCT_INODE_HAS_INOTIFY_SEM
 890                  LINUX_INODE_SETATTR_RETURN_TYPE
 891                  LINUX_WRITE_INODE_RETURN_TYPE
 892                  LINUX_IOP_I_CREATE_TAKES_NAMEIDATA
 893                  LINUX_IOP_I_LOOKUP_TAKES_NAMEIDATA
 894                  LINUX_IOP_I_PERMISSION_TAKES_NAMEIDATA
 895                  LINUX_IOP_I_PUT_LINK_TAKES_COOKIE
 896                  LINUX_DOP_D_REVALIDATE_TAKES_NAMEIDATA
 897                  LINUX_FOP_F_FLUSH_TAKES_FL_OWNER_T
 898                  LINUX_AOP_WRITEBACK_CONTROL
 899                  LINUX_FS_STRUCT_FOP_HAS_FLOCK
 900                  LINUX_FS_STRUCT_FOP_HAS_SENDFILE
 901                  LINUX_FS_STRUCT_FOP_HAS_SPLICE
 902                  LINUX_KERNEL_LINUX_SYSCALL_H
 903                  LINUX_KERNEL_LINUX_SEQ_FILE_H
 904                  LINUX_KERNEL_POSIX_LOCK_FILE_WAIT_ARG
 905                  LINUX_POSIX_TEST_LOCK_RETURNS_CONFLICT
 906                  LINUX_POSIX_TEST_LOCK_CONFLICT_ARG
 907                  LINUX_KERNEL_SELINUX
 908                  LINUX_KERNEL_SOCK_CREATE
 909                  LINUX_KERNEL_PAGE_FOLLOW_LINK
 910                  LINUX_KERNEL_HLIST_UNHASHED
 911                  LINUX_KEY_TYPE_H_EXISTS
 912                  LINUX_EXPORTS_KEY_TYPE_KEYRING
 913                  LINUX_NEED_RHCONFIG
 914                  LINUX_RECALC_SIGPENDING_ARG_TYPE
 915                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_PARENT
 916                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_REAL_PARENT
 917                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_SIG
 918                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_SIGHAND
 919                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_SIGMASK_LOCK
 920                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_RLIM
 921                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_SIGNAL_RLIM
 922                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_EXIT_STATE
 923                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_TGID
 924                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_TODO
 925                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_THREAD_INFO
 926                  LINUX_EXPORTS_TASKLIST_LOCK
 927                  LINUX_GET_SB_HAS_STRUCT_VFSMOUNT
 928                  LINUX_STATFS_TAKES_DENTRY
 929                  LINUX_FREEZER_H_EXISTS
 930                  LINUX_HAVE_SVC_ADDR_IN
 931                  if test "x$ac_cv_linux_freezer_h_exists" = "xyes" ; then
 932                   AC_DEFINE(FREEZER_H_EXISTS, 1, [define if you have linux/freezer.h])
 933                  fi
 934                  LINUX_REFRIGERATOR
 935                  LINUX_LINUX_KEYRING_SUPPORT
 936                  LINUX_KEY_ALLOC_NEEDS_STRUCT_TASK
 937                  LINUX_KEY_ALLOC_NEEDS_CRED
 938                  LINUX_DO_SYNC_READ
 939                  LINUX_GENERIC_FILE_AIO_READ
 940                  LINUX_INIT_WORK_HAS_DATA
 941                  LINUX_REGISTER_SYSCTL_TABLE_NOFLAG
 942                  LINUX_SYSCTL_TABLE_CHECKING
 943                  LINUX_HAVE_IGET
 944                  if test "x$ac_cv_linux_have_iget" = "xno"; then
 945                    AC_DEFINE([LINUX_USE_FH], 1, [define to use linux file handles for cache files])
 946                  fi
 947                  LINUX_HAVE_I_SIZE_READ
 948                  LINUX_HAVE_D_ALLOC_ANON
 949                  if test "x$ac_cv_linux_d_alloc_anon" = "xno"; then
 950                    AC_DEFINE([AFS_NONFSTRANS], 1, [define to disable the nfs translator])
 951                  fi
 952                  LINUX_FS_STRUCT_NAMEIDATA_HAS_PATH
 953                  LINUX_EXPORTS_INIT_MM
 954                  LINUX_EXPORTS_SYS_CHDIR
 955                  LINUX_EXPORTS_SYS_CLOSE
 956                  LINUX_EXPORTS_SYS_OPEN
 957                  LINUX_EXPORTS_SYS_WAIT4
 958                  LINUX_EXPORTS_RCU_READ_LOCK
 959                  if test "x$with_linux_kernel_packaging" = "xno" ; then
 960                    LINUX_WHICH_MODULES
 961                  else
 962                    AC_SUBST(MPS,'SP')
 963                  fi
 964                  if test "x$ac_cv_linux_config_modversions" = "xno" -o $AFS_SYSKVERS -ge 26; then
 965                    AC_MSG_WARN([Cannot determine sys_call_table status. assuming it isn't exported])
 966                    ac_cv_linux_exports_sys_call_table=no
 967                    if test -f "$LINUX_KERNEL_PATH/include/asm/ia32_unistd.h"; then
 968                      ac_cv_linux_exports_ia32_sys_call_table=yes
 969                    fi
 970                  else
 971                    LINUX_EXPORTS_KALLSYMS_ADDRESS
 972                    LINUX_EXPORTS_KALLSYMS_SYMBOL
 973                    LINUX_EXPORTS_SYS_CALL_TABLE
 974                    LINUX_EXPORTS_IA32_SYS_CALL_TABLE
 975                    if test "x$ac_cv_linux_exports_sys_call_table" = "xno"; then
 976                          linux_syscall_method=none
 977                          if test "x$ac_cv_linux_exports_init_mm" = "xyes"; then
 978                             linux_syscall_method=scan
 979                             if test "x$ac_cv_linux_exports_kallsyms_address" = "xyes"; then
 980                                linux_syscall_method=scan_with_kallsyms_address
 981                             fi
 982                          fi
 983                          if test "x$ac_cv_linux_exports_kallsyms_symbol" = "xyes"; then
 984                             linux_syscall_method=kallsyms_symbol
 985                          fi
 986                          if test "x$linux_syscall_method" = "xnone"; then
 987                             AC_MSG_WARN([no available sys_call_table access method -- guessing scan])
 988                             linux_syscall_method=scan
 989                          fi
 990                    fi
 991                  fi
 992                  if test -f "$LINUX_KERNEL_PATH/include/linux/in_systm.h"; then
 993                   AC_DEFINE(HAVE_IN_SYSTM_H, 1, [define if you have in_systm.h header file])
 994                  fi
 995                  if test -f "$LINUX_KERNEL_PATH/include/linux/mm_inline.h"; then
 996                   AC_DEFINE(HAVE_MM_INLINE_H, 1, [define if you have mm_inline.h header file])
 997                  fi
 998                  if test -f "$LINUX_KERNEL_PATH/include/linux/in_systm.h"; then
 999                   AC_DEFINE(HAVE_IN_SYSTM_H, 1, [define if you have in_systm.h header file])
1000                  fi
1001                  if test "x$ac_cv_linux_exports_sys_chdir" = "xyes" ; then
1002                   AC_DEFINE(EXPORTED_SYS_CHDIR, 1, [define if your linux kernel exports sys_chdir])
1003                  fi
1004                  if test "x$ac_cv_linux_exports_sys_open" = "xyes" ; then
1005                   AC_DEFINE(EXPORTED_SYS_OPEN, 1, [define if your linux kernel exports sys_open])
1006                  fi
1007                  if test "x$ac_cv_linux_exports_sys_close" = "xyes" ; then
1008                   AC_DEFINE(EXPORTED_SYS_CLOSE, 1, [define if your linux kernel exports sys_close])
1009                  fi
1010                  if test "x$ac_cv_linux_exports_sys_wait4" = "xyes" ; then
1011                   AC_DEFINE(EXPORTED_SYS_WAIT4, 1, [define if your linux kernel exports sys_wait4])
1012                  fi
1013                  if test "x$ac_cv_linux_exports_sys_call_table" = "xyes"; then
1014                   AC_DEFINE(EXPORTED_SYS_CALL_TABLE, 1, [define if your linux kernel exports sys_call_table])
1015                  fi
1016                  if test "x$ac_cv_linux_exports_ia32_sys_call_table" = "xyes"; then
1017                   AC_DEFINE(EXPORTED_IA32_SYS_CALL_TABLE, 1, [define if your linux kernel exports ia32_sys_call_table])
1018                  fi
1019                  if test "x$ac_cv_linux_exports_kallsyms_symbol" = "xyes"; then
1020                   AC_DEFINE(EXPORTED_KALLSYMS_SYMBOL, 1, [define if your linux kernel exports kallsyms])
1021                  fi
1022                  if test "x$ac_cv_linux_exports_kallsyms_address" = "xyes"; then
1023                   AC_DEFINE(EXPORTED_KALLSYMS_ADDRESS, 1, [define if your linux kernel exports kallsyms address])
1024                  fi
1025                  if test "x$ac_cv_linux_completion_h_exists" = "xyes" ; then
1026                   AC_DEFINE(COMPLETION_H_EXISTS, 1, [define if completion_h exists])
1027                  fi
1028                  if test "x$ac_cv_linux_config_h_exists" = "xyes" ; then
1029                   AC_DEFINE(CONFIG_H_EXISTS, 1, [define if config.h exists])
1030                  fi
1031                  if test "x$ac_cv_linux_exportfs_h_exists" = "xyes"; then
1032                   AC_DEFINE(EXPORTFS_H_EXISTS, 1, [define if linux/exportfs.h exists])
1033                  fi
1034                  if test "x$ac_cv_linux_key_type_h_exists" = "xyes" ; then
1035                   AC_DEFINE(KEY_TYPE_H_EXISTS, 1, [define if key-type.h exists])
1036                  fi
1037                  if test "x$ac_cv_linux_defines_for_each_process" = "xyes" ; then
1038                   AC_DEFINE(DEFINED_FOR_EACH_PROCESS, 1, [define if for_each_process defined])
1039                  fi
1040                  if test "x$ac_cv_linux_defines_prev_task" = "xyes" ; then
1041                   AC_DEFINE(DEFINED_PREV_TASK, 1, [define if prev_task defined])
1042                  fi
1043                  if test "x$ac_cv_linux_func_inode_setattr_returns_int" = "xyes" ; then
1044                   AC_DEFINE(INODE_SETATTR_NOT_VOID, 1, [define if your setattr return return non-void])
1045                  fi
1046                  if test "x$ac_cv_linux_func_write_inode_returns_int" = "xyes" ; then
1047                   AC_DEFINE(WRITE_INODE_NOT_VOID, 1, [define if your sops.write_inode returns non-void])
1048                  fi
1049                  if test "x$ac_cv_linux_fs_struct_super_has_alloc_inode" = "xyes" ; then
1050                   AC_DEFINE(STRUCT_SUPER_HAS_ALLOC_INODE, 1, [define if your struct super_operations has alloc_inode])
1051                  fi
1052                  if test "x$ac_cv_linux_fs_struct_address_space_has_page_lock" = "xyes"; then
1053                   AC_DEFINE(STRUCT_ADDRESS_SPACE_HAS_PAGE_LOCK, 1, [define if your struct address_space has page_lock])
1054                  fi
1055                  if test "x$ac_cv_linux_fs_struct_address_space_has_gfp_mask" = "xyes"; then
1056                   AC_DEFINE(STRUCT_ADDRESS_SPACE_HAS_GFP_MASK, 1, [define if your struct address_space has gfp_mask])
1057                  fi
1058                  if test "x$ac_cv_linux_fs_struct_inode_has_i_truncate_sem" = "xyes"; then
1059                   AC_DEFINE(STRUCT_INODE_HAS_I_TRUNCATE_SEM, 1, [define if your struct inode has truncate_sem])
1060                  fi
1061                  if test "x$ac_cv_linux_fs_struct_inode_has_i_alloc_sem" = "xyes"; then
1062                   AC_DEFINE(STRUCT_INODE_HAS_I_ALLOC_SEM, 1, [define if your struct inode has alloc_sem])
1063                  fi
1064                  if test "x$ac_cv_linux_fs_struct_inode_has_i_blksize" = "xyes"; then
1065                   AC_DEFINE(STRUCT_INODE_HAS_I_BLKSIZE, 1, [define if your struct inode has i_blksize])
1066                  fi
1067                  if test "x$ac_cv_linux_fs_struct_inode_has_i_devices" = "xyes"; then
1068                   AC_DEFINE(STRUCT_INODE_HAS_I_DEVICES, 1, [define if you struct inode has i_devices])
1069                  fi
1070                  if test "x$ac_cv_linux_fs_struct_inode_has_i_security" = "xyes"; then
1071                   AC_DEFINE(STRUCT_INODE_HAS_I_SECURITY, 1, [define if you struct inode has i_security])
1072                  fi
1073                  if test "x$ac_cv_linux_fs_struct_inode_has_i_mutex" = "xyes"; then
1074                   AC_DEFINE(STRUCT_INODE_HAS_I_MUTEX, 1, [define if you struct inode has i_mutex])
1075                  fi
1076                  if test "x$ac_cv_linux_fs_struct_inode_has_i_sb_list" = "xyes"; then
1077                   AC_DEFINE(STRUCT_INODE_HAS_I_SB_LIST, 1, [define if you struct inode has i_sb_list])
1078                  fi
1079                  if test "x$ac_cv_linux_fs_struct_inode_has_i_dirty_data_buffers" = "xyes"; then
1080                   AC_DEFINE(STRUCT_INODE_HAS_I_DIRTY_DATA_BUFFERS, 1, [define if your struct inode has data_buffers])
1081                  fi
1082                  if test "x$ac_cv_linux_fs_struct_inode_has_inotify_lock" = "xyes"; then
1083                   AC_DEFINE(STRUCT_INODE_HAS_INOTIFY_LOCK, 1, [define if your struct inode has inotify_lock])
1084                  fi
1085                  if test "x$ac_cv_linux_fs_struct_inode_has_inotify_sem" = "xyes"; then
1086                   AC_DEFINE(STRUCT_INODE_HAS_INOTIFY_SEM, 1, [define if your struct inode has inotify_sem])
1087                  fi
1088                  if test "x$ac_cv_linux_func_recalc_sigpending_takes_void" = "xyes"; then
1089                   AC_DEFINE(RECALC_SIGPENDING_TAKES_VOID, 1, [define if your recalc_sigpending takes void])
1090                  fi
1091                  if test "x$ac_cv_linux_kernel_posix_lock_file_wait_arg" = "xyes" ; then
1092                   AC_DEFINE(POSIX_LOCK_FILE_WAIT_ARG, 1, [define if your linux kernel uses 3 arguments for posix_lock_file])
1093                  fi
1094                  if test "x$ac_cv_linux_kernel_is_selinux" = "xyes" ; then
1095                   AC_DEFINE(LINUX_KERNEL_IS_SELINUX, 1, [define if your linux kernel uses SELinux features])
1096                  fi
1097                  if test "x$ac_cv_linux_kernel_sock_create_v" = "xyes" ; then
1098                   AC_DEFINE(LINUX_KERNEL_SOCK_CREATE_V, 1, [define if your linux kernel uses 5 arguments for sock_create])
1099                  fi
1100                  if test "x$ac_cv_linux_kernel_page_follow_link" = "xyes" ; then
1101                   AC_DEFINE(HAVE_KERNEL_PAGE_FOLLOW_LINK, 1, [define if your linux kernel provides page_follow_link])
1102                  fi
1103                  if test "x$ac_cv_linux_kernel_hlist_unhashed" = "xyes" ; then
1104                   AC_DEFINE(HAVE_KERNEL_HLIST_UNHASHED, 1, [define if your linux kernel provides hlist_unhashed])
1105                  fi
1106                  if test "x$ac_linux_syscall" = "xyes" ; then
1107                   AC_DEFINE(HAVE_KERNEL_LINUX_SYSCALL_H, 1, [define if your linux kernel has linux/syscall.h])
1108                  fi
1109                  if test "x$ac_linux_seq_file" = "xyes" ; then
1110                   AC_DEFINE(HAVE_KERNEL_LINUX_SEQ_FILE_H, 1, [define if your linux kernel has linux/seq_file.h])
1111                  fi
1112                  if test "x$ac_cv_linux_sched_struct_task_struct_has_parent" = "xyes"; then
1113                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_PARENT, 1, [define if your struct task_struct has parent])
1114                  fi
1115                  if test "x$ac_cv_linux_sched_struct_task_struct_has_real_parent" = "xyes"; then
1116                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_REAL_PARENT, 1, [define if your struct task_struct has real_parent])
1117                  fi
1118                  if test "x$ac_cv_linux_sched_struct_task_struct_has_sigmask_lock" = "xyes"; then
1119                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_SIGMASK_LOCK, 1, [define if your struct task_struct has sigmask_lock])
1120                  fi
1121                  if test "x$ac_cv_linux_sched_struct_task_struct_has_sighand" = "xyes"; then
1122                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_SIGHAND, 1, [define if your struct task_struct has sighand])
1123                  fi
1124                  if test "x$ac_cv_linux_sched_struct_task_struct_has_sig" = "xyes"; then
1125                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_SIG, 1, [define if your struct task_struct has sig])
1126                  fi
1127                  if test "x$ac_cv_linux_sched_struct_task_struct_has_rlim" = "xyes"; then
1128                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_RLIM, 1, [define if your struct task_struct has rlim])
1129                  fi
1130                  if test "x$ac_cv_linux_sched_struct_task_struct_has_signal_rlim" = "xyes"; then
1131                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_SIGNAL_RLIM, 1, [define if your struct task_struct has signal->rlim])
1132                  fi
1133                  if test "x$ac_cv_linux_sched_struct_task_struct_has_exit_state" = "xyes"; then
1134                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_EXIT_STATE, 1, [define if your struct task_struct has exit_state])
1135                  fi
1136                  if test "x$ac_cv_linux_sched_struct_task_struct_has_tgid" = "xyes"; then
1137                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_TGID, 1, [define if your struct task_struct has tgid])
1138                  fi
1139                  if test "x$ac_cv_linux_sched_struct_task_struct_has_todo" = "xyes"; then
1140                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_TODO, 1, [define if your struct task_struct has todo])
1141                  fi
1142                  if test "x$ac_cv_linux_sched_struct_task_struct_has_thread_info" = "xyes"; then
1143                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_THREAD_INFO, 1, [define if your struct task_struct has thread_info])
1144                  fi
1145                  if test "x$ac_cv_linux_get_sb_has_struct_vfsmount" = "xyes"; then
1146                   AC_DEFINE(GET_SB_HAS_STRUCT_VFSMOUNT, 1, [define if your get_sb_nodev needs a struct vfsmount argument])
1147                  fi
1148                  if test "x$ac_cv_linux_statfs_takes_dentry" = "xyes"; then
1149                   AC_DEFINE(STATFS_TAKES_DENTRY, 1, [define if your statfs takes a dentry argument])
1150                  fi
1151                  if test "x$ac_cv_linux_func_a_writepage_takes_writeback_control" = "xyes" ; then
1152                   AC_DEFINE(AOP_WRITEPAGE_TAKES_WRITEBACK_CONTROL, 1, [define if your aops.writepage takes a struct writeback_control argument])
1153                  fi
1154                  if test "x$ac_cv_linux_func_refrigerator_takes_pf_freeze" = "xyes" ; then
1155                   AC_DEFINE(LINUX_REFRIGERATOR_TAKES_PF_FREEZE, 1, [define if your refrigerator takes PF_FREEZE])
1156                  fi
1157                  if test "x$ac_cv_linux_func_i_create_takes_nameidata" = "xyes" ; then
1158                   AC_DEFINE(IOP_CREATE_TAKES_NAMEIDATA, 1, [define if your iops.create takes a nameidata argument])
1159                  fi
1160                  if test "x$ac_cv_linux_func_f_flush_takes_fl_owner_t" = "xyes" ; then
1161                   AC_DEFINE(FOP_FLUSH_TAKES_FL_OWNER_T, 1, [define if your fops.flush takes an fl_owner_t argument])
1162                  fi
1163                  if test "x$ac_cv_linux_func_i_lookup_takes_nameidata" = "xyes" ; then
1164                   AC_DEFINE(IOP_LOOKUP_TAKES_NAMEIDATA, 1, [define if your iops.lookup takes a nameidata argument])
1165                  fi
1166                  if test "x$ac_cv_linux_func_i_permission_takes_nameidata" = "xyes" ; then
1167                   AC_DEFINE(IOP_PERMISSION_TAKES_NAMEIDATA, 1, [define if your iops.permission takes a nameidata argument])
1168                  fi
1169                  if test "x$ac_cv_linux_func_d_revalidate_takes_nameidata" = "xyes" ; then
1170                   AC_DEFINE(DOP_REVALIDATE_TAKES_NAMEIDATA, 1, [define if your dops.d_revalidate takes a nameidata argument])
1171                  fi
1172                  if test "x$ac_cv_linux_init_work_has_data" = "xyes" ; then
1173                   AC_DEFINE(INIT_WORK_HAS_DATA, 1, [define if INIT_WORK takes a data (3rd) argument])
1174                  fi
1175                  if test "x$ac_cv_linux_fs_struct_fop_has_flock" = "xyes" ; then
1176                   AC_DEFINE(STRUCT_FILE_OPERATIONS_HAS_FLOCK, 1, [define if your struct file_operations has flock])
1177                  fi
1178                  if test "x$ac_cv_linux_fs_struct_fop_has_sendfile" = "xyes" ; then
1179                   AC_DEFINE(STRUCT_FILE_OPERATIONS_HAS_SENDFILE, 1, [define if your struct file_operations has sendfile])
1180                  fi
1181                  if test "x$ac_cv_linux_fs_struct_fop_has_splice" = "xyes" ; then
1182                   AC_DEFINE(STRUCT_FILE_OPERATIONS_HAS_SPLICE, 1, [define if your struct file_operations has splice_write and splice_read])
1183                  fi
1184                  if test "x$ac_cv_linux_register_sysctl_table_noflag" = "xyes" ; then
1185                   AC_DEFINE(REGISTER_SYSCTL_TABLE_NOFLAG, 1, [define if register_sysctl_table has no insert_at head flag])
1186                  fi
1187                  if test "x$ac_cv_linux_sysctl_table_checking" = "xyes" ; then
1188                   AC_DEFINE(SYSCTL_TABLE_CHECKING, 1, [define if your kernel has sysctl table checking])
1189                  fi
1190                  if test "x$ac_cv_linux_have_iget" = "xyes" ; then
1191                   AC_DEFINE(HAVE_IGET, 1, [define if your kernel has iget])
1192                  fi
1193                  if test "x$ac_cv_linux_struct_nameidata_has_path" = "xyes" ; then
1194                   AC_DEFINE(STRUCT_NAMEIDATA_HAS_PATH, 1, [define if your struct nameidata has path])
1195                  fi
1196                  if test "x$ac_cv_linux_exports_init_mm" = "xyes" ; then
1197                   AC_DEFINE(EXPORTED_INIT_MM, 1, [define if your kernel exports init_mm])
1198                  fi
1199                  if test "x$ac_cv_linux_exports_tasklist_lock" = "xyes" ; then
1200                   AC_DEFINE(EXPORTED_TASKLIST_LOCK, 1, [define if tasklist_lock exported])
1201                  fi
1202                  if test "x$ac_cv_linux_have_kmem_cache_t" = "xyes" ; then
1203                   AC_DEFINE(HAVE_KMEM_CACHE_T, 1, [define if kmem_cache_t exists])
1204                  fi
1205                  if test "x$ac_cv_linux_kmem_cache_init" = "xyes" ; then
1206                   AC_DEFINE(KMEM_CACHE_INIT, 1, [define for new kmem_cache init function parameters])
1207                  fi
1208                  if test "x$ac_cv_linux_have_current_kernel_time" = "xyes" ; then
1209                   AC_DEFINE(HAVE_CURRENT_KERNEL_TIME, 1, [define if current_kernel_time() exists])
1210                  fi
1211                  if test "x$ac_cv_linux_have_kmem_cache_t" = "xyes" ; then
1212                   AC_DEFINE(KMEM_CACHE_TAKES_DTOR, 1, [define if kmem_cache_create takes a destructor argument])
1213                  fi
1214                  if test "x$ac_cv_linux_kernel_page_follow_link" = "xyes" -o "x$ac_cv_linux_func_i_put_link_takes_cookie" = "xyes"; then
1215                   AC_DEFINE(USABLE_KERNEL_PAGE_SYMLINK_CACHE, 1, [define if your kernel has a usable symlink cache API])
1216                  else
1217                   AC_MSG_WARN([your kernel does not have a usable symlink cache API])
1218                  fi
1219                  if test "x$ac_cv_linux_have_svc_addr_in" = "xyes"; then
1220                   AC_DEFINE(HAVE_SVC_ADDR_IN, 1, [define if svc_add_in exists])
1221                  fi
1222                 :
1223                 fi
1224 esac
1225
1226 case $AFS_SYSNAME in
1227         *_darwin*)
1228                 DARWIN_PLIST=src/libafs/afs.${AFS_SYSNAME}.plist
1229                 DARWIN_INFOFILE=afs.${AFS_SYSNAME}.plist
1230                 dnl the test below fails on darwin, even if the CPPFLAGS below
1231                 dnl are added. the headers from Kernel.framework must be used
1232                 dnl when KERNEL is defined.
1233
1234                 dnl really, such a thing isn't guaranteed to work on any
1235                 dnl platform until the kernel cflags from MakefileProto are
1236                 dnl known to configure
1237                 AC_DEFINE(HAVE_STRUCT_BUF, 1, [define if you have a struct buf])
1238                 ;;
1239         *)
1240 AC_MSG_CHECKING(for definition of struct buf)
1241 dnl save_CPPFLAGS="$CPPFLAGS"
1242 dnl CPPFLAGS="$CPPFLAGS -DKERNEL -D_KERNEL -D__KERNEL -D__KERNEL__"
1243 AC_CACHE_VAL(ac_cv_have_struct_buf, [
1244         ac_cv_have_struct_buf=no
1245         AC_TRY_COMPILE(
1246                 [#include <sys/buf.h>],
1247                 [struct buf x;
1248                 printf("%d\n", sizeof(x));],
1249                 ac_cv_have_struct_buf=yes,)
1250         ]
1251 )
1252 dnl CPPFLAGS="$save_CPPFLAGS"
1253 AC_MSG_RESULT($ac_cv_have_struct_buf)
1254 if test "$ac_cv_have_struct_buf" = yes; then
1255         AC_DEFINE(HAVE_STRUCT_BUF, 1, [define if you have a struct buf])
1256 fi
1257 ;;
1258 esac
1259
1260
1261 AC_CACHE_VAL(ac_cv_sockaddr_len,
1262 [
1263 AC_MSG_CHECKING([if struct sockaddr has sa_len field])
1264 AC_TRY_COMPILE( [#include <sys/types.h>
1265 #include <sys/socket.h>],
1266 [struct sockaddr *a;
1267 a->sa_len=0;], ac_cv_sockaddr_len=yes, ac_cv_sockaddr_len=no)
1268 AC_MSG_RESULT($ac_cv_sockaddr_len)])
1269 if test "$ac_cv_sockaddr_len" = "yes"; then
1270    AC_DEFINE(STRUCT_SOCKADDR_HAS_SA_LEN, 1, [define if you struct sockaddr sa_len])
1271 fi
1272 if test "x${MKAFS_OSTYPE}" = "xIRIX"; then
1273         echo Skipping library tests because they confuse Irix.
1274 else
1275   AC_CHECK_FUNCS(socket)
1276
1277   if test "$ac_cv_func_socket" = no; then
1278     for lib in socket inet; do
1279         if test "$HAVE_SOCKET" != 1; then
1280                 AC_CHECK_LIB(${lib}, socket,LIBS="$LIBS -l$lib";HAVE_SOCKET=1;AC_DEFINE(HAVE_SOCKET, 1, [define if you have socket]))
1281         fi
1282     done
1283   fi
1284
1285   AC_CHECK_FUNCS(connect)
1286
1287   if test "$ac_cv_func_connect" = no; then
1288     for lib in nsl; do
1289         if test "$HAVE_CONNECT" != 1; then
1290                 AC_CHECK_LIB(${lib}, connect,LIBS="$LIBS -l$lib";HAVE_CONNECT=1;AC_DEFINE(HAVE_CONNECT, 1, [define if you have connect]))
1291         fi
1292     done
1293   fi
1294
1295   AC_CHECK_FUNCS(gethostbyname)
1296   if test "$ac_cv_func_gethostbyname" = no; then
1297         for lib in dns nsl resolv; do
1298           if test "$HAVE_GETHOSTBYNAME" != 1; then
1299             AC_CHECK_LIB(${lib}, gethostbyname, LIBS="$LIBS -l$lib";HAVE_GETHOSTBYNAME=1;AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [define if you have gethostbyname]))
1300           fi
1301         done
1302   fi
1303
1304   dnl darwin wants it, aix hates it
1305   AC_MSG_CHECKING(for the useability of arpa/nameser_compat.h)
1306   AC_TRY_COMPILE([
1307   #include <stdlib.h>
1308   #include <stdio.h>
1309   #include <sys/types.h>
1310   #include <sys/socket.h>
1311   #include <netinet/in.h>
1312   #include <arpa/inet.h>
1313   #include <arpa/nameser.h>
1314   #include <arpa/nameser_compat.h>
1315   #include <resolv.h>
1316   ], [static int i; i = 0;],
1317   [AC_MSG_RESULT(yes)
1318    AC_DEFINE(HAVE_ARPA_NAMESER_COMPAT_H, 1, [define if arpa/nameser_compat.h exists])],
1319   [AC_MSG_RESULT(no)
1320    ])
1321
1322   openafs_save_libs="$LIBS"
1323   AC_MSG_CHECKING([for res_search])
1324   AC_FUNC_RES_SEARCH
1325
1326   if test "$ac_cv_func_res_search" = no; then
1327       for lib in dns nsl resolv; do
1328         if test "$ac_cv_func_res_search" != yes; then
1329           LIBS="-l$lib $LIBS"
1330           AC_FUNC_RES_SEARCH
1331           LIBS="$openafs_save_libs"
1332         fi
1333       done
1334       if test "$ac_cv_func_res_search" = yes; then
1335         LIB_res_search="-l$lib"
1336         AC_DEFINE(HAVE_RES_SEARCH, 1, [])
1337         AC_MSG_RESULT([yes, in lib$lib])
1338       else
1339         AC_MSG_RESULT(no)
1340       fi
1341   else
1342     AC_DEFINE(HAVE_RES_SEARCH, 1, [])
1343     AC_MSG_RESULT(yes)
1344   fi
1345
1346 fi
1347
1348 AC_CACHE_VAL(ac_cv_setsockopt_iprecverr,
1349 [
1350 AC_MSG_CHECKING([for setsockopt(, SOL_IP, IP_RECVERR)])
1351 AC_TRY_COMPILE( [#include <sys/types.h>
1352 #include <sys/socket.h>
1353 #include <netinet/in.h>],
1354 [int on=1;
1355 setsockopt(0, SOL_IP, IP_RECVERR, &on, sizeof(on));], ac_cv_setsockopt_iprecverr=yes, ac_cv_setsockopt_iprecverr=no)
1356 AC_MSG_RESULT($ac_cv_setsockopt_iprecverr)])
1357 if test "$ac_cv_setsockopt_iprecverr" = "yes"; then
1358    AC_DEFINE(ADAPT_PMTU_RECVERR, 1, [define if asynchronous socket errors can be received])
1359 fi
1360
1361 PTHREAD_LIBS=error
1362 if test "x$MKAFS_OSTYPE" = OBSD; then
1363         PTHREAD_LIBS="-pthread"
1364 fi
1365 if test "x$MKAFS_OSTYPE" = xDFBSD; then
1366         PTHREAD_LIBS="-pthread"
1367 fi
1368 if test "x$PTHREAD_LIBS" = xerror; then
1369         AC_CHECK_LIB(pthread, pthread_attr_init,
1370                 PTHREAD_LIBS="-lpthread")
1371 fi
1372 if test "x$PTHREAD_LIBS" = xerror; then
1373         AC_CHECK_LIB(pthreads, pthread_attr_init,
1374                 PTHREAD_LIBS="-lpthreads")
1375 fi
1376 if test "x$PTHREAD_LIBS" = xerror; then
1377         AC_CHECK_LIB(c_r, pthread_attr_init,
1378                 PTHREAD_LIBS="-lc_r")
1379 fi
1380 if test "x$PTHREAD_LIBS" = xerror; then
1381         AC_CHECK_FUNC(pthread_attr_init, PTHREAD_LIBS="")
1382 fi
1383 if test "x$PTHREAD_LIBS" = xerror; then
1384         # pthread_attr_init is a macro under HPUX 11.0 and 11.11
1385         AC_CHECK_LIB(pthread, pthread_attr_destroy,
1386                 PTHREAD_LIBS="-lpthread")
1387 fi
1388 if test "x$PTHREAD_LIBS" = xerror; then
1389         AC_MSG_WARN(*** Unable to locate working posix thread library ***)
1390 fi
1391 AC_SUBST(PTHREAD_LIBS)
1392
1393 HOST_CPU="$host_cpu"
1394
1395 if test "x$with_bsd_kernel_headers" != "x"; then
1396         BSD_KERNEL_PATH="$with_bsd_kernel_headers"
1397 else
1398         BSD_KERNEL_PATH="/usr/src/sys"
1399 fi
1400
1401 if test "x$with_bsd_kernel_build" != "x"; then
1402         BSD_KERNEL_BUILD="$with_bsd_kernel_build"
1403 else
1404         case $AFS_SYSNAME in
1405                 *_fbsd_4?)
1406                         BSD_KERNEL_BUILD="${BSD_KERNEL_PATH}/compile/GENERIC"
1407                         ;;
1408                 *_fbsd_*)
1409                         BSD_KERNEL_BUILD="${BSD_KERNEL_PATH}/${HOST_CPU}/compile/GENERIC"
1410                         ;;
1411         esac
1412 fi
1413
1414 # Fast restart
1415 if test "$enable_supergroups" = "yes"; then
1416         AC_DEFINE(SUPERGROUPS, 1, [define if you want to have support for nested pts groups])
1417 fi
1418
1419 if test "$enable_fast_restart" = "yes"; then
1420         AC_DEFINE(FAST_RESTART, 1, [define if you want to have fast restart])
1421 fi
1422
1423 if test "$enable_bitmap_later" = "yes"; then
1424         AC_DEFINE(BITMAP_LATER, 1, [define if you want to salvager to check bitmasks later])
1425 fi
1426
1427 if test "$enable_demand_attach_fs" = "yes"; then
1428         AC_DEFINE(DEMAND_ATTACH_ENABLE, 1, [define if you want the demand attach fileserver])
1429         DEMAND_ATTACH="yes"
1430 else
1431         DEMAND_ATTACH="no"
1432 fi
1433 AC_SUBST(DEMAND_ATTACH)
1434
1435 if test "$enable_disconnected" = "yes"; then
1436         AC_DEFINE(AFS_DISCON_ENV, 1, [define if you want support for disconnected operation])
1437 fi
1438
1439 if test "$enable_unix_sockets" = "yes"; then
1440         AC_DEFINE(USE_UNIX_SOCKETS, 1, [define if you want to use UNIX sockets for fssync.])
1441         USE_UNIX_SOCKETS="yes"
1442 else
1443         USE_UNIX_SOCKETS="no"
1444 fi
1445 AC_SUBST(USE_UNIX_SOCKETS)
1446
1447 if test "$enable_fast_restart" = "yes" &&
1448    test "$enable_demand_attach_fs" = "yes" ; then
1449         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.])
1450         exit 1
1451 fi
1452
1453 if test "$enable_full_vos_listvol_switch" = "yes"; then
1454         AC_DEFINE(FULL_LISTVOL_SWITCH, 1, [define if you want to want listvol switch])
1455 fi
1456
1457 if test "$enable_icmp_pmtu_discovery" = "yes"; then
1458    if test "$ac_cv_setsockopt_iprecverr" = "yes"; then
1459         AC_DEFINE(ADAPT_PMTU, 1, [define if you want to decode icmp unreachable packets to discover path mtu])
1460    fi
1461 fi
1462
1463 if test "$enable_bos_restricted_mode" = "yes"; then
1464         AC_DEFINE(BOS_RESTRICTED_MODE, 1, [define if you want to want bos restricted mode])
1465 fi
1466
1467 if test "$enable_bos_new_config" = "yes"; then
1468         AC_DEFINE(BOS_NEW_CONFIG, 1, [define if you want to enable automatic renaming of BosConfig.new to BosConfig at startup])
1469 fi
1470
1471 if test "$enable_largefile_fileserver" = "yes"; then
1472         AC_DEFINE(AFS_LARGEFILE_ENV, 1, [define if you want large file fileserver])
1473 fi
1474
1475 if test "$enable_cache_bypass" = "yes"; then
1476         AC_DEFINE(AFS_CACHE_BYPASS, 1, [define to activate cache bypassing Unix client])
1477 fi
1478
1479 if test "$enable_namei_fileserver" = "yes"; then
1480         AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1481         VFSCK=""
1482 else
1483         if test "$enable_namei_fileserver" = "default"; then
1484                 case $host in
1485                         *-solaris2.10*)
1486                                 AC_MSG_WARN(Some Solaris 10 versions are not safe with the inode fileserver. Forcing namei. Override with --disable-namei-fileserver)
1487                                 AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1488                                 VFSCK=""
1489                                 ;;
1490                         *-solaris2.11*)
1491                                 AC_MSG_WARN(Solaris 11 versions are not safe with the inode fileserver. Forcing namei. Override with --disable-namei-fileserver)
1492                                 AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1493                                 VFSCK=""
1494                                 ;;
1495                         *)
1496                                 VFSCK="vfsck"
1497                                 ;;
1498                 esac
1499         else
1500                 VFSCK="vfsck"
1501         fi
1502 fi
1503
1504 if test "$enable_afsdb" = "yes"; then
1505         LIB_AFSDB="$LIB_res_search"
1506         AC_DEFINE(AFS_AFSDB_ENV, 1, [define if you want to want search afsdb rr])
1507 fi
1508
1509 dnl check for tivoli
1510 AC_MSG_CHECKING(for tivoli tsm butc support)
1511 XBSA_CFLAGS=""
1512 if test "$enable_tivoli_tsm" = "yes"; then
1513         XBSADIR1=/usr/tivoli/tsm/client/api/bin/xopen
1514         XBSADIR2=/opt/tivoli/tsm/client/api/bin/xopen
1515         XBSADIR3=/usr/tivoli/tsm/client/api/bin/sample
1516         XBSADIR4=/opt/tivoli/tsm/client/api/bin/sample
1517
1518         if test -r "$XBSADIR3/dsmapifp.h"; then
1519                 XBSA_CFLAGS="-Dxbsa -DNEW_XBSA -I$XBSADIR3"
1520                 XBSA_XLIBS="-ldl"
1521                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1522         elif test -r "$XBSADIR4/dsmapifp.h"; then
1523                 XBSA_CFLAGS="-Dxbsa -DNEW_XBSA -I$XBSADIR4"
1524                 XBSA_XLIBS="-ldl"
1525                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1526         elif test -r "$XBSADIR1/xbsa.h"; then
1527                 XBSA_CFLAGS="-Dxbsa -I$XBSADIR1"
1528                 XBSA_XLIBS=""
1529                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1530         elif test -r "$XBSADIR2/xbsa.h"; then
1531                 XBSA_CFLAGS="-Dxbsa -I$XBSADIR2"
1532                 XBSA_XLIBS=""
1533                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1534         else
1535                 AC_MSG_RESULT([no, missing xbsa.h and dsmapifp.h header files])
1536         fi
1537 else
1538         AC_MSG_RESULT([no])
1539 fi
1540 AC_SUBST(XBSA_CFLAGS)
1541 AC_SUBST(XBSA_XLIBS)
1542
1543 dnl checks for header files.
1544 AC_HEADER_STDC
1545 AC_HEADER_SYS_WAIT
1546 AC_HEADER_DIRENT
1547 AC_CHECK_HEADERS(stdlib.h string.h unistd.h poll.h fcntl.h sys/time.h sys/file.h)
1548 AC_CHECK_HEADERS(netinet/in.h netdb.h sys/fcntl.h sys/mnttab.h sys/mntent.h)
1549 AC_CHECK_HEADERS(mntent.h sys/vfs.h sys/param.h sys/fs_types.h sys/fstyp.h)
1550 AC_CHECK_HEADERS(sys/mount.h strings.h termios.h signal.h poll.h sys/pag.h)
1551 AC_CHECK_HEADERS(windows.h malloc.h winsock2.h direct.h io.h sys/user.h)
1552 AC_CHECK_HEADERS(security/pam_modules.h siad.h usersec.h ucontext.h regex.h values.h sys/statvfs.h sys/statfs.h sys/bitypes.h)
1553 AC_CHECK_HEADERS(linux/errqueue.h,,,[#include <linux/types.h>])
1554
1555 AC_CHECK_TYPES([fsblkcnt_t],,,[
1556 #include <sys/types.h>
1557 #ifdef HAVE_SYS_BITYPES_H
1558 #include <sys/bitypes.h>
1559 #endif
1560 #ifdef HAVE_SYS_STATFS_H
1561 #include <sys/statfs.h>
1562 #endif
1563 #ifdef HAVE_SYS_STATVFS_H
1564 #include <sys/statvfs.h>
1565 #endif
1566 ])
1567
1568 dnl Don't build PAM on IRIX; the interface doesn't work for us.
1569 if test "$ac_cv_header_security_pam_modules_h" = yes -a "$enable_pam" = yes; then
1570         case $AFS_SYSNAME in
1571         sgi_*)
1572                 HAVE_PAM="no"
1573                 ;;
1574         *)
1575                 HAVE_PAM="yes"
1576                 ;;
1577         esac
1578 else
1579         HAVE_PAM="no"
1580 fi
1581 AC_SUBST(HAVE_PAM)
1582
1583 if test "$enable_login" = yes; then
1584         BUILD_LOGIN="yes"
1585 else
1586         BUILD_LOGIN="no"
1587 fi
1588 AC_SUBST(BUILD_LOGIN)
1589
1590 AC_CHECK_FUNCS(utimes random srandom getdtablesize snprintf strlcat strlcpy re_comp re_exec flock)
1591 AC_CHECK_FUNCS(setprogname getprogname sigaction mkstemp vsnprintf strerror strcasestr)
1592 AC_CHECK_FUNCS(setvbuf vsyslog)
1593 AC_FUNC_SETVBUF_REVERSED
1594 AC_CHECK_FUNCS(regcomp regexec regerror)
1595 AC_MSG_CHECKING([for POSIX regex library])
1596 if test "$ac_cv_header_regex_h" = "yes" && \
1597         test "$ac_cv_func_regcomp" = "yes" && \
1598         test "$ac_cv_func_regexec" = "yes" && \
1599         test "$ac_cv_func_regerror" = "yes"; then
1600     AC_DEFINE(HAVE_POSIX_REGEX, 1, [define if you have POSIX regex library])
1601     AC_MSG_RESULT(yes)
1602 else
1603     AC_MSG_RESULT(no)
1604 fi
1605
1606 AC_TYPE_SOCKLEN_T
1607 AC_TYPE_SIGNAL
1608 AC_CHECK_TYPE(ssize_t, int)
1609 AC_CHECK_TYPES(sig_t, , ,
1610   [#include <sys/types.h>
1611    #include <signal.h> ])
1612 AH_BOTTOM(
1613 [#ifndef HAVE_SIG_T
1614 #ifndef SIG_T_DEFINED
1615 #define SIG_T_DEFINED
1616 typedef RETSIGTYPE (*sig_t) ();
1617 #endif
1618 #endif])
1619 AC_CHECK_TYPE([sig_atomic_t], ,
1620     [AC_DEFINE([sig_atomic_t], [int],
1621         [Define to int if <signal.h> does not define.])],
1622 [#include <sys/types.h>
1623 #include <signal.h>])
1624 AC_SIZEOF_TYPE(long)
1625
1626 AC_CHECK_FUNCS(timegm)
1627 AC_CHECK_FUNCS(daemon)
1628
1629 dnl Directory PATH handling
1630 if test "x$enable_transarc_paths" = "xyes"  ; then
1631     afsconfdir=${afsconfdir=/usr/afs/etc}
1632     viceetcdir=${viceetcdir=/usr/vice/etc}
1633     afskerneldir=${afskerneldir=${viceetcdir}}
1634     afssrvbindir=${afssrvbindir=/usr/afs/bin}
1635     afssrvsbindir=${afssrvsbindir=/usr/afs/bin}
1636     afssrvlibexecdir=${afssrvlibexecdir=/usr/afs/bin}
1637     afsdbdir=${afsdbdir=/usr/afs/db}
1638     afslogsdir=${afslogsdir=/usr/afs/logs}
1639     afslocaldir=${afslocaldir=/usr/afs/local}
1640     afsbackupdir=${afsbackupdir=/usr/afs/backup}
1641     afsbosconfigdir=${afsbosconfigdir=/usr/afs/local}
1642 else
1643     afsconfdir=${afsconfdir='${sysconfdir}/openafs/server'}
1644     viceetcdir=${viceetcdir='${sysconfdir}/openafs'}
1645     afskerneldir=${afskerneldir='${libdir}/openafs'}
1646     afssrvbindir=${afssrvbindir='${bindir}'}
1647     afssrvsbindir=${afssrvsbindir='${sbindir}'}
1648     afssrvlibexecdir=${afssrvlibexecdir='${libexecdir}/openafs'}
1649     afsdbdir=${afsdbdir='${localstatedir}/openafs/db'}
1650     afslogsdir=${afslogsdir='${localstatedir}/openafs/logs'}
1651     afslocaldir=${afslocaldir='${localstatedir}/openafs'}
1652     afsbackupdir=${afsbackupdir='${localstatedir}/openafs/backup'}
1653     afsbosconfigdir=${afsbosconfigdir='${sysconfdir}/openafs'}
1654 fi
1655 AC_SUBST(afsconfdir)
1656 AC_SUBST(viceetcdir)
1657 AC_SUBST(afskerneldir)
1658 AC_SUBST(afssrvbindir)
1659 AC_SUBST(afssrvsbindir)
1660 AC_SUBST(afssrvlibexecdir)
1661 AC_SUBST(afsdbdir)
1662 AC_SUBST(afslogsdir)
1663 AC_SUBST(afslocaldir)
1664 AC_SUBST(afsbackupdir)
1665 AC_SUBST(afsbosconfigdir)
1666
1667 if test "x$enable_kernel_module" = "xyes"; then
1668 ENABLE_KERNEL_MODULE=libafs
1669 fi
1670
1671 if test "x$enable_pthreaded_ubik" = "xyes"; then
1672 ENABLE_PTHREADED_UBIK=yes
1673 fi
1674
1675 AC_SUBST(VFSCK)
1676 AC_SUBST(AFS_SYSNAME)
1677 AC_SUBST(AFS_PARAM_COMMON)
1678 AC_SUBST(ENABLE_KERNEL_MODULE)
1679 AC_SUBST(ENABLE_PTHREADED_UBIK)
1680 AC_SUBST(LIB_AFSDB)
1681 AC_SUBST(LINUX_KERNEL_PATH)
1682 AC_SUBST(LINUX_KERNEL_BUILD)
1683 AC_SUBST(HOST_CPU)
1684 AC_SUBST(BSD_KERNEL_PATH)
1685 AC_SUBST(BSD_KERNEL_BUILD)
1686 AC_SUBST(LINUX_VERSION)
1687 AC_SUBST(MKAFS_OSTYPE)
1688 AC_SUBST(TOP_OBJDIR)
1689 AC_SUBST(TOP_SRCDIR)
1690 AC_SUBST(TOP_INCDIR)
1691 AC_SUBST(TOP_LIBDIR)
1692 AC_SUBST(DEST)
1693 AC_SUBST(DARWIN_INFOFILE)
1694 AC_SUBST(IRIX_BUILD_IP35)
1695 AC_SUBST(HTML_XSL)
1696 AC_SUBST(XSLTPROC)
1697
1698 OPENAFS_OSCONF
1699 OPENAFS_KRB5CONF
1700
1701 TOP_SRCDIR="${srcdir}/src"
1702 dnl
1703 dnl If we're using ./configure, need a more reasonable TOP_SRCDIR, since relative links don't work everywhere
1704 dnl
1705 case $TOP_SRCDIR in
1706         /*)
1707                 ;;
1708         *)
1709                 TOP_SRCDIR=`cd $TOP_SRCDIR; pwd`
1710                 ;;
1711 esac
1712
1713 TOP_OBJDIR="${SRCDIR_PARENT}"
1714 TOP_INCDIR="${SRCDIR_PARENT}/include"
1715 TOP_LIBDIR="${SRCDIR_PARENT}/lib"
1716 if test "${DEST}x" = "x"; then
1717         DEST="${SRCDIR_PARENT}/${AFS_SYSNAME}/dest"
1718 fi
1719
1720 HELPER_SPLINT="${TOP_SRCDIR}/helper-splint.sh"
1721 HELPER_SPLINTCFG="${TOP_SRCDIR}/splint.cfg"
1722 AC_SUBST(HELPER_SPLINT)
1723 AC_SUBST(HELPER_SPLINTCFG)
1724
1725 mkdir -p ${TOP_OBJDIR}/src/JAVA/libjafs
1726
1727 ])