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_RES_SEARCH
  10 #undef STRUCT_SOCKADDR_HAS_SA_LEN
  11 #if !defined(__BIG_ENDIAN__) && !defined(__LITTLE_ENDIAN__)
  12 # if ENDIANESS_IN_SYS_PARAM_H
  13 #  ifndef KERNEL
  14 #   include <sys/types.h>
  15 #   include <sys/param.h>
  16 #   if BYTE_ORDER == BIG_ENDIAN
  17 #   define WORDS_BIGENDIAN 1
  18 #   endif
  19 #  else
  20 #   if defined(AUTOCONF_FOUND_BIGENDIAN)
  21 #    define WORDS_BIGENDIAN 1
  22 #   else
  23 #    undef WORDS_BIGENDIAN
  24 #   endif
  25 #  endif
  26 # else
  27 #  if defined(AUTOCONF_FOUND_BIGENDIAN)
  28 #   define WORDS_BIGENDIAN 1
  29 #  else
  30 #   undef WORDS_BIGENDIAN
  31 #  endif
  32 # endif
  33 #else
  34 # if defined(__BIG_ENDIAN__)
  35 #  define WORDS_BIGENDIAN 1
  36 # else
  37 #  undef WORDS_BIGENDIAN
  38 # endif
  39 #endif
  40 #ifdef UKERNEL
  41 /*
  42  * Always use 64-bit file offsets for UKERNEL code. Needed for UKERNEL stuff to
  43  * play nice with some other interfaces like FUSE. We technically only would
  44  * need to define this when building for such interfaces, but set it always to
  45  * try and reduce potential confusion.
  46  */
  47 #define _FILE_OFFSET_BITS 64
  48 #endif
  49
  50 #undef AFS_AFSDB_ENV
  51 #undef AFS_LARGEFILE_ENV
  52 #undef AFS_NAMEI_ENV
  53 #undef BITMAP_LATER
  54 #undef BOS_RESTRICTED_MODE
  55 #undef FAST_RESTART
  56 #undef FULL_LISTVOL_SWITCH
  57 #undef COMPLETION_H_EXISTS
  58 #undef DEFINED_FOR_EACH_PROCESS
  59 #undef DEFINED_PREV_TASK
  60 #undef EXPORTED_KALLSYMS_ADDRESS
  61 #undef EXPORTED_KALLSYMS_SYMBOL
  62 #undef EXPORTED_SYS_CALL_TABLE
  63 #undef EXPORTED_IA32_SYS_CALL_TABLE
  64 #undef EXPORTED_TASKLIST_LOCK
  65 #undef INODE_SETATTR_NOT_VOID
  66 #undef IRIX_HAS_MEM_FUNCS
  67 #undef RECALC_SIGPENDING_TAKES_VOID
  68 #undef STRUCT_ADDRESS_SPACE_HAS_GFP_MASK
  69 #undef STRUCT_ADDRESS_SPACE_HAS_PAGE_LOCK
  70 #undef STRUCT_FS_HAS_FS_ROLLED
  71 #undef STRUCT_INODE_HAS_I_DEVICES
  72 #undef STRUCT_INODE_HAS_I_DIRTY_DATA_BUFFERS
  73 #undef STRUCT_INODE_HAS_I_ALLOC_SEM
  74 #undef STRUCT_INODE_HAS_I_TRUNCATE_SEM
  75 #undef STRUCT_TASK_STRUCT_HAS_PARENT
  76 #undef STRUCT_TASK_STRUCT_HAS_REAL_PARENT
  77 #undef STRUCT_TASK_STRUCT_HAS_SIG
  78 #undef STRUCT_TASK_STRUCT_HAS_SIGHAND
  79 #undef STRUCT_TASK_STRUCT_HAS_SIGMASK_LOCK
  80 #undef ssize_t
  81 #undef HAVE_STRUCT_BUF
  82 #undef HAVE_ARPA_NAMESER_COMPAT_H
  83 /* glue for RedHat kernel bug */
  84 #undef ENABLE_REDHAT_BUILDSYS
  85 #if defined(ENABLE_REDHAT_BUILDSYS) && defined(KERNEL) && defined(REDHAT_FIX)
  86 #include "redhat-fix.h"
  87 #endif])
  88
  89 AC_CANONICAL_HOST
  90 SRCDIR_PARENT=`pwd`
  91
  92 #BOZO_SAVE_CORES pam
  93
  94 dnl System identity.
  95 AC_ARG_WITH([afs-sysname],
  96     [AS_HELP_STRING([--with-afs-sysname=sys], [use sys for the afs sysname])])
  97
  98 dnl General feature options.
  99 AC_ARG_ENABLE([afsdb],
 100     [AS_HELP_STRING([--disable-afsdb], [disable AFSDB DNS RR support])],
 101     ,
 102     [enable_afsdb="yes"])
 103 AC_ARG_ENABLE([pam],
 104     [AS_HELP_STRING([--disable-pam], [disable PAM support])],
 105     ,
 106     [enable_pam="yes"])
 107 AC_ARG_ENABLE([bos-restricted-mode],
 108     [AS_HELP_STRING([--enable-bos-restricted-mode],
 109         [enable bosserver restricted mode which disables certain bosserver
 110          functionality])],
 111     ,
 112     [enable_bos_restricted_mode="no"])
 113 AC_ARG_ENABLE([largefile-fileserver],
 114     [AS_HELP_STRING([--disable-largefile-fileserver],
 115         [disable large file support in fileserver])],
 116     ,
 117     [enable_largefile_fileserver="yes"])
 118 AC_ARG_ENABLE([namei-fileserver],
 119     [AS_HELP_STRING([--enable-namei-fileserver],
 120         [force compilation of namei fileserver in preference to inode
 121          fileserver])],
 122     ,
 123     [enable_namei_fileserver="default"])
 124 AC_ARG_ENABLE([cache-bypass],
 125     [AS_HELP_STRING([--enable-cache-bypass],
 126         [enable client support for cache bypass])],
 127     ,
 128     [enable_cache_bypass="no"])
 129 AC_ARG_ENABLE([supergroups],
 130     [AS_HELP_STRING([--enable-supergroups],
 131         [enable support for nested pts groups])],
 132     ,
 133     [enable_supergroups="no"])
 134 AC_ARG_ENABLE([fast-restart],
 135     [AS_HELP_STRING([--enable-fast-restart],
 136         [enable fast startup of file server without salvaging])],
 137     ,
 138     [enable_fast_restart="no"])
 139 AC_ARG_ENABLE([bitmap-later],
 140     [AS_HELP_STRING([--enable-bitmap-later],
 141         [enable fast startup of file server by not reading bitmap till
 142          needed])],
 143     ,
 144     [enable_bitmap_later="no"])
 145 AC_ARG_ENABLE([demand-attach-fs],
 146     [AS_HELP_STRING([--enable-demand-attach-fs],
 147         [enable Demand Attach Fileserver (please see documentation)])],
 148     ,
 149     [enable_demand_attach_fs="no"])
 150 AC_ARG_ENABLE([disconnected],
 151     [AS_HELP_STRING([--enable-disconnected],
 152         [enable disconnected support in cache manager (experimental)])],
 153     ,
 154     [enable_disconnected="no"])
 155 AC_ARG_ENABLE([unix-sockets],
 156     [AS_HELP_STRING([--enable-unix-sockets],
 157         [enable use of unix domain sockets for fssync])],
 158     ,
 159     [enable_unix_sockets="yes"])
 160 AC_ARG_ENABLE([full-vos-listvol-switch],
 161     [AS_HELP_STRING([--disable-full-vos-listvol-switch],
 162         [disable vos full listvol switch for formatted output])],
 163     ,
 164     [enable_full_vos_listvol_switch="yes"])
 165 AC_ARG_ENABLE([icmp-pmtu-discovery],
 166     [AS_HELP_STRING([--enable-icmp-pmtu-discovery],
 167         [enable path MTU discovery by decoding ICMP unreachable replies])],
 168     ,
 169     [enable_icmp_pmtu_discovery="no"])
 170 AC_ARG_ENABLE([tivoli-tsm],
 171     [AS_HELP_STRING([--enable-tivoli-tsm],
 172         [enable use of the Tivoli TSM API libraries for butc support])],
 173     ,
 174     [enable_tivoli_tsm="no"])
 175 AC_ARG_ENABLE([pthreaded-ubik],
 176     [AS_HELP_STRING([--enable-pthreaded-ubik],
 177         [enable installation of pthreaded ubik applications (defaults to
 178          disabled)])],
 179     ,
 180     [enable_pthreaded_ubik="no"])
 181
 182 dnl Kernel module build options.
 183 AC_ARG_WITH([dux-kernel-headers],
 184     [AS_HELP_STRING([--with-dux-kernel-headers=path],
 185         [use the kernel headers found at path (optional, defaults to first
 186          match in /usr/sys)])])
 187 AC_ARG_WITH([linux-kernel-headers],
 188     [AS_HELP_STRING([--with-linux-kernel-headers=path],
 189         [use the kernel headers found at path (optional, defaults to
 190          /usr/src/linux-2.4, then /usr/src/linux)])])
 191 AC_ARG_WITH([linux-kernel-build],
 192     [AS_HELP_STRING([--with-linux-kernel-build=path],
 193         [use the kernel build found at path(optional, defaults to
 194         /usr/src/linux-2.4, then /usr/src/linux)])])
 195 AC_ARG_WITH([bsd-kernel-headers],
 196     [AS_HELP_STRING([--with-bsd-kernel-headers=path],
 197         [use the kernel headers found at path (optional, defaults to
 198          /usr/src/sys)])])
 199 AC_ARG_WITH([bsd-kernel-build],
 200     [AS_HELP_STRING([--with-bsd-kernel-build=path],
 201         [use the kernel build found at path (optional, defaults to
 202          KSRC/i386/compile/GENERIC)])])
 203 AC_ARG_WITH([linux-kernel-packaging],
 204     [AS_HELP_STRING([--with-linux-kernel-packaging],
 205         [use standard naming conventions to aid Linux kernel build packaging
 206          (disables MPS, sets the kernel module name to openafs.ko, and
 207          installs kernel modules into the standard Linux location)])],
 208     [AC_SUBST(LINUX_KERNEL_PACKAGING, "yes")
 209      AC_SUBST(LINUX_LIBAFS_NAME, "openafs")],
 210     [AC_SUBST(LINUX_LIBAFS_NAME, "libafs")])
 211 AC_ARG_ENABLE([kernel-module],
 212     [AS_HELP_STRING([--disable-kernel-module],
 213         [disable compilation of the kernel module (defaults to enabled)])],
 214     ,
 215     [enable_kernel_module="yes"])
 216 AC_ARG_ENABLE([redhat-buildsys],
 217     [AS_HELP_STRING([--enable-redhat-buildsys],
 218         [enable compilation of the redhat build system kernel (defaults to
 219          disabled)])],
 220     ,
 221     [enable_redhat_buildsys="no"])
 222
 223 dnl Installation locations.
 224 AC_ARG_ENABLE([transarc-paths],
 225     [AS_HELP_STRING([--enable-transarc-paths],
 226         [use Transarc style paths like /usr/afs and /usr/vice])],
 227     ,
 228     [enable_transarc_paths="no"])
 229
 230 dnl Optimization and debugging flags.
 231 AC_ARG_ENABLE([strip-binaries],
 232     [AS_HELP_STRING([--disable-strip-binaries],
 233         [disable stripping of symbol information from binaries (defaults to
 234          enabled)])],
 235     ,
 236     [enable_strip_binaries="maybe"])
 237 AC_ARG_ENABLE([debug],
 238     [AS_HELP_STRING([--enable-debug],
 239         [enable compilation of the user space code with debugging information
 240          (defaults to disabled)])],
 241     ,
 242     [enable_debug="no"])
 243 AC_ARG_ENABLE([optimize],
 244     [AS_HELP_STRING([--disable-optimize],
 245         [disable optimization for compilation of the user space code (defaults
 246          to enabled)])],
 247     ,
 248     [enable_optimize="yes"])
 249 AC_ARG_ENABLE([warnings],
 250     [AS_HELP_STRING([--enable-warnings],
 251         [enable compilation warnings when building with gcc (defaults to
 252          disabled)])],
 253     ,
 254     [enable_warnings="no"])
 255 AC_ARG_ENABLE([debug-kernel],
 256     [AS_HELP_STRING([--enable-debug-kernel],
 257         [enable compilation of the kernel module with debugging information
 258          (defaults to disabled)])],
 259     ,
 260     [enable_debug_kernel="no"])
 261 AC_ARG_ENABLE([optimize-kernel],
 262     [AS_HELP_STRING([--disable-optimize-kernel],
 263         [disable compilation of the kernel module with optimization (defaults
 264          based on platform)])],
 265     ,
 266     [enable_optimize_kernel="yes"])
 267 AC_ARG_ENABLE([debug-lwp],
 268     [AS_HELP_STRING([--enable-debug-lwp],
 269         [enable compilation of the LWP code with debugging information
 270          (defaults to disabled)])],
 271     ,
 272     [enable_debug_lwp="no"])
 273 AC_ARG_ENABLE([optimize-lwp],
 274     [AS_HELP_STRING([--disable-optimize-lwp],
 275         [disable optimization for compilation of the LWP code (defaults to
 276          enabled)])],
 277     ,
 278     [enable_optimize_lwp="yes"])
 279 AC_ARG_ENABLE([debug-pam],
 280     [AS_HELP_STRING([--enable-debug-pam],
 281         [enable compilation of the PAM code with debugging information
 282          (defaults to disabled)])],
 283     ,
 284     [enable_debug_pam="no"])
 285 AC_ARG_ENABLE([optimize-pam],
 286     [AS_HELP_STRING([--disable-optimize-pam],
 287         [disable optimization for compilation of the PAM code (defaults to
 288          enabled)])],
 289     ,
 290     [enable_optimize_pam="yes"])
 291 AC_ARG_ENABLE([linux-syscall-probing],
 292     [AS_HELP_STRING([--disable-linux-syscall-probing],
 293         [disabling Linux syscall probing (defaults to enabled)])],
 294     ,
 295     [AC_DEFINE(ENABLE_LINUX_SYSCALL_PROBING, 1,
 296         [define to enable syscall table probes])])
 297
 298
 299 AC_ARG_WITH([xslt-processor],
 300         AS_HELP_STRING([--with-xslt-processor=ARG],
 301         [which XSLT processor to use (possible choices are: libxslt, saxon, xalan-j, xsltproc)]),
 302         XSLTPROC="$withval",
 303         XSLTPROC="libxslt")
 304
 305 AC_ARG_WITH([html-xsl],
 306         AS_HELP_STRING([--with-html-xsl],
 307         [build HTML documentation using Norman Walsh's DocBook XSL stylesheets (default is no; specify a path to chunk.xsl or docbook.xsl)]),
 308         HTML_XSL="$withval",
 309         HTML_XSL=no)
 310
 311 enable_login="no"
 312
 313 dnl weird ass systems
 314 dnl AC_AIX
 315 AC_ISC_POSIX
 316 dnl AC_MINIX
 317
 318 dnl Various compiler setup.
 319 AC_TYPE_PID_T
 320 AC_TYPE_SIZE_T
 321 COMPILER_HAS_FUNCTION_MACRO
 322
 323 dnl Checks for programs.
 324 AC_PROG_INSTALL
 325 AC_PROG_LN_S
 326 AC_PROG_RANLIB
 327 AC_PROG_YACC
 328 AM_PROG_LEX
 329
 330 OPENAFS_CHECK_BIGENDIAN
 331
 332 AC_MSG_CHECKING(your OS)
 333 system=$host
 334 case $system in
 335         *-linux*)
 336
 337                 MKAFS_OSTYPE=LINUX
 338                 if test "x$enable_redhat_buildsys" = "xyes"; then
 339                  AC_DEFINE(ENABLE_REDHAT_BUILDSYS, 1, [define if you have redhat buildsystem])
 340                 fi
 341                 if test "x$enable_kernel_module" = "xyes"; then
 342                  if test "x$with_linux_kernel_headers" != "x"; then
 343                    LINUX_KERNEL_PATH="$with_linux_kernel_headers"
 344                  else
 345                    LINUX_KERNEL_PATH="/lib/modules/`uname -r`/source"
 346                    if test ! -f "$LINUX_KERNEL_PATH/include/linux/version.h"; then
 347                      LINUX_KERNEL_PATH="/lib/modules/`uname -r`/build"
 348                    fi
 349                    if test ! -f "$LINUX_KERNEL_PATH/include/linux/version.h"; then
 350                      LINUX_KERNEL_PATH="/usr/src/linux-2.4"
 351                    fi
 352                    if test ! -f "$LINUX_KERNEL_PATH/include/linux/version.h"; then
 353                      LINUX_KERNEL_PATH="/usr/src/linux"
 354                    fi
 355                  fi
 356                  if test "x$with_linux_kernel_build" != "x"; then
 357                          LINUX_KERNEL_BUILD="$with_linux_kernel_build"
 358                  else
 359                    LINUX_KERNEL_BUILD=$LINUX_KERNEL_PATH
 360                  fi
 361                if test -f "$LINUX_KERNEL_BUILD/include/linux/utsrelease.h"; then
 362                  linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/linux/utsrelease.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
 363                  LINUX_VERSION="$linux_kvers"
 364                else
 365                  if test -f "$LINUX_KERNEL_BUILD/include/linux/version.h"; then
 366                   linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/linux/version.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
 367                   if test "x$linux_kvers" = "x"; then
 368                     if test -f "$LINUX_KERNEL_BUILD/include/linux/version-up.h"; then
 369                       linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/linux/version-up.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
 370                       if test "x$linux_kvers" = "x"; then
 371
 372                         AC_MSG_ERROR(Linux headers lack version definition [2])
 373                         exit 1
 374                       else
 375                         LINUX_VERSION="$linux_kvers"
 376                       fi
 377                     else
 378                       AC_MSG_ERROR(Linux headers lack version definition)
 379                       exit 1
 380                     fi
 381                   else
 382                     LINUX_VERSION="$linux_kvers"
 383                   fi
 384                  else
 385                     enable_kernel_module="no"
 386                  fi
 387                fi
 388                  if test ! -f "$LINUX_KERNEL_BUILD/include/linux/autoconf.h"; then
 389                      enable_kernel_module="no"
 390                  fi
 391                  if test "x$enable_kernel_module" = "xno"; then
 392                   if test "x$with_linux_kernel_headers" != "x"; then
 393                    AC_MSG_ERROR(No usable linux headers found at $LINUX_KERNEL_PATH)
 394                    exit 1
 395                   else
 396                    AC_MSG_WARN(No usable linux headers found at $LINUX_KERNEL_PATH so disabling kernel module)
 397                   fi
 398                  fi
 399                  dnl do we need to determine SUBARCH from autoconf.h
 400                  SUBARCH=default
 401                 fi
 402                 AC_MSG_RESULT(linux)
 403                 if test "x$enable_kernel_module" = "xyes"; then
 404                  AFS_SYSKVERS=`echo $LINUX_VERSION | awk -F\. '{print $[]1 $[]2}'`
 405                  if test "x${AFS_SYSKVERS}" = "x"; then
 406                   AC_MSG_ERROR(Couldn't guess your Linux version [2])
 407                  fi
 408                 fi
 409                 ;;
 410         *-solaris*)
 411                 MKAFS_OSTYPE=SOLARIS
 412                 AC_MSG_RESULT(sun4)
 413                 SOLARIS_UFSVFS_HAS_DQRWLOCK
 414                 SOLARIS_PROC_HAS_P_COREFILE
 415                 SOLARIS_FS_HAS_FS_ROLLED
 416                 SOLARIS_SOLOOKUP_TAKES_SOCKPARAMS
 417                 ;;
 418         *-sunos*)
 419                 MKAFS_OSTYPE=SUNOS
 420                 enable_kernel_module=no
 421                 AC_MSG_RESULT(sun4)
 422                 ;;
 423         *-hpux*)
 424                 MKAFS_OSTYPE=HPUX
 425                 AC_MSG_RESULT(hp_ux)
 426                 if test -f "/usr/old/usr/include/ndir.h"; then
 427                  AC_DEFINE(HAVE_USR_OLD_USR_INCLUDE_NDIR_H, 1, [define if you have old ndir.h])
 428                 fi
 429                 ;;
 430         *-irix*)
 431                 if test -d /usr/include/sys/SN/SN1; then
 432                  IRIX_BUILD_IP35="IP35"
 433                 fi
 434                 MKAFS_OSTYPE=IRIX
 435                 AC_MSG_RESULT(sgi)
 436                 ;;
 437         *-aix*)
 438                 MKAFS_OSTYPE=AIX
 439                 AC_MSG_RESULT(rs_aix)
 440                 ;;
 441         *-osf*)
 442                 MKAFS_OSTYPE=DUX
 443                 AC_MSG_RESULT(alpha_dux)
 444                 ;;
 445         powerpc-*-darwin*)
 446                 MKAFS_OSTYPE=DARWIN
 447                 AC_MSG_RESULT(ppc_darwin)
 448                 ;;
 449         i386-*-darwin*)
 450                 MKAFS_OSTYPE=DARWIN
 451                 AC_MSG_RESULT(x86_darwin)
 452                 ;;
 453         i386-*-freebsd*)
 454                 MKAFS_OSTYPE=FBSD
 455                 AC_MSG_RESULT(i386_fbsd)
 456                 ;;
 457         x86_64-*-freebsd*)
 458                 MKAFS_OSTYPE=FBSD
 459                 AC_MSG_RESULT(amd64_fbsd)
 460                 ;;
 461         *-netbsd*)
 462                 MKAFS_OSTYPE=NBSD
 463                 AC_MSG_RESULT(nbsd)
 464                 ;;
 465         x86_64-*-openbsd*)
 466                 MKAFS_OSTYPE=OBSD
 467                 AC_MSG_RESULT(amd64_obsd)
 468                 ;;
 469         i386-openbsd*)
 470                 MKAFS_OSTYPE=OBSD
 471                 AC_MSG_RESULT(i386_obsd)
 472                 ;;
 473         *-dragonfly*)
 474                 MKAFS_OSTYPE=DFBSD
 475                 AC_MSG_RESULT(i386_dfbsd)
 476                 ;;
 477         *)
 478                 AC_MSG_RESULT($system)
 479                 ;;
 480 esac
 481
 482 if test "x$with_afs_sysname" != "x"; then
 483         AFS_SYSNAME="$with_afs_sysname"
 484 else
 485         AC_MSG_CHECKING(your AFS sysname)
 486         case $host in
 487                 i?86-*-openbsd?.?)
 488                         v=${host#*openbsd}
 489                         vM=${v%.*}
 490                         vm=${v#*.}
 491                         AFS_SYSNAME="i386_obsd${vM}${vm}"
 492                         ;;
 493                 sparc64-*-openbsd?.?)
 494                         v=${host#*openbsd}
 495                         vM=${v%.*}
 496                         vm=${v#*.}
 497                         AFS_SYSNAME="sparc64_obsd${vM}${vm}"
 498                         ;;
 499                 x86_64-*-openbsd?.?)
 500                         v=${host#*openbsd}
 501                         vM=${v%.*}
 502                         vm=${v#*.}
 503                         AFS_SYSNAME="amd64_obsd${vM}${vm}"
 504                         ;;
 505                 i?86-*-freebsd?.*)
 506                         v=${host#*freebsd}
 507                         vM=${v%.*}
 508                         vm=${v#*.}
 509                         AFS_SYSNAME="i386_fbsd_${vM}${vm}"
 510                         ;;
 511                 x86_64-*-freebsd?.*)
 512                         v=${host#*freebsd}
 513                         vM=${v%.*}
 514                         vm=${v#*.}
 515                         AFS_SYSNAME="amd64_fbsd_${vM}${vm}"
 516                         ;;
 517                 i386-*-dragonfly2.2*)
 518                         AFS_SYSNAME="i386_dfbsd_23"
 519                         ;;
 520                 i386-*-dragonfly2.3*)
 521                         AFS_SYSNAME="i386_dfbsd_23"
 522                         ;;
 523                 i?86-*-netbsd*1.5*)
 524                         AFS_SYSNAME="i386_nbsd15"
 525                         ;;
 526                 alpha-*-netbsd*1.5*)
 527                         AFS_SYSNAME="alpha_nbsd15"
 528                         ;;
 529                 i?86-*-netbsd*1.6[[M-Z]]*)
 530                         AFS_SYSNAME="i386_nbsd20"
 531                         ;;
 532                 powerpc-*-netbsd*1.6[[M-Z]]*)
 533                         AFS_SYSNAME="ppc_nbsd20"
 534                         ;;
 535                 i?86-*-netbsd*2.0*)
 536                         AFS_SYSNAME="i386_nbsd20"
 537                         ;;
 538                 amd64-*-netbsd*2.0*)
 539                         AFS_SYSNAME="amd64_nbsd20"
 540                         ;;
 541                 x86_64-*-netbsd*3.[[0-8]]*)
 542 # XXX AFS_PARAM_COMMON handled separately, redundant?
 543                         AFS_PARAM_COMMON=param.nbsd30.h
 544                         AFS_SYSNAME="amd64_nbsd30"
 545                         ;;
 546                 x86_64-*-netbsd*4.[[0-8]]*)
 547 # XXX AFS_PARAM_COMMON handled separately, redundant?
 548                         AFS_PARAM_COMMON=param.nbsd40.h
 549                         AFS_SYSNAME="amd64_nbsd40"
 550                         ;;
 551                 powerpc-*-netbsd*2.0*)
 552                         AFS_SYSNAME="ppc_nbsd20"
 553                         ;;
 554                 i?86-*-netbsd*1.6*)
 555                         AFS_SYSNAME="i386_nbsd16"
 556                         ;;
 557                 alpha-*-netbsd*1.6*)
 558                         AFS_SYSNAME="alpha_nbsd16"
 559                         ;;
 560                 powerpc-*-netbsd*1.6*)
 561                         AFS_SYSNAME="ppc_nbsd16"
 562                         ;;
 563                 i?86-*-netbsd*2.1*)
 564                         AFS_SYSNAME="i386_nbsd21"
 565                         ;;
 566                 i?86-*-netbsd*2.99*)
 567                         AFS_SYSNAME="i386_nbsd30"
 568                         ;;
 569                 i?86-*-netbsd*3.[[0-8]]*)
 570                         AFS_SYSNAME="i386_nbsd30"
 571                         ;;
 572                 i?86-*-netbsd*3.99*)
 573                         AFS_SYSNAME="i386_nbsd30"
 574                         ;;
 575                 i?86-*-netbsd*4.[[0-8]]*)
 576                         AFS_SYSNAME="i386_nbsd40"
 577                         ;;
 578                 i?86-*-netbsd*4.99*)
 579                         AFS_SYSNAME="i386_nbsd40"
 580                         ;;
 581                 hppa*-hp-hpux11.0*)
 582                         AFS_SYSNAME="hp_ux110"
 583                         ;;
 584                 hppa*-hp-hpux11.11)
 585                         AFS_SYSNAME="hp_ux11i"
 586                         ;;
 587                 hppa*-hp-hpux11.23)
 588                         AFS_SYSNAME="hp_ux1123"
 589                         ;;
 590                 ia64-hp-hpux11.22)
 591                         AFS_SYSNAME="ia64_hpux1122"
 592                         ;;
 593                 ia64-hp-hpux*)
 594                         AFS_SYSNAME="ia64_hpux1123"
 595                         ;;
 596                 hppa*-hp-hpux10*)
 597                         AFS_SYSNAME="hp_ux102"
 598                         ;;
 599                 powerpc-apple-darwin1.2*)
 600                         AFS_SYSNAME="ppc_darwin_12"
 601                         ;;
 602                 powerpc-apple-darwin1.3*)
 603                         AFS_SYSNAME="ppc_darwin_13"
 604                         ;;
 605                 powerpc-apple-darwin1.4*)
 606                         AFS_SYSNAME="ppc_darwin_14"
 607                         ;;
 608                 powerpc-apple-darwin5.1*)
 609                         AFS_SYSNAME="ppc_darwin_14"
 610                         ;;
 611                 powerpc-apple-darwin5.2*)
 612                         AFS_SYSNAME="ppc_darwin_14"
 613                         ;;
 614                 powerpc-apple-darwin5.3*)
 615                         AFS_SYSNAME="ppc_darwin_14"
 616                         ;;
 617                 powerpc-apple-darwin5.4*)
 618                         AFS_SYSNAME="ppc_darwin_14"
 619                         ;;
 620                 powerpc-apple-darwin5.5*)
 621                         AFS_SYSNAME="ppc_darwin_14"
 622                         ;;
 623                 powerpc-apple-darwin6.0*)
 624                         AFS_SYSNAME="ppc_darwin_60"
 625                         ;;
 626                 powerpc-apple-darwin6.1*)
 627                         AFS_SYSNAME="ppc_darwin_60"
 628                         ;;
 629                 powerpc-apple-darwin6.2*)
 630                         AFS_SYSNAME="ppc_darwin_60"
 631                         ;;
 632                 powerpc-apple-darwin6.3*)
 633                         AFS_SYSNAME="ppc_darwin_60"
 634                         ;;
 635                 powerpc-apple-darwin6.4*)
 636                         AFS_SYSNAME="ppc_darwin_60"
 637                         ;;
 638                 powerpc-apple-darwin6.5*)
 639                         AFS_SYSNAME="ppc_darwin_60"
 640                         ;;
 641                 powerpc-apple-darwin7.0*)
 642                         AFS_SYSNAME="ppc_darwin_70"
 643                         ;;
 644                 powerpc-apple-darwin7.1*)
 645                         AFS_SYSNAME="ppc_darwin_70"
 646                         ;;
 647                 powerpc-apple-darwin7.2*)
 648                         AFS_SYSNAME="ppc_darwin_70"
 649                         ;;
 650                 powerpc-apple-darwin7.3*)
 651                         AFS_SYSNAME="ppc_darwin_70"
 652                         ;;
 653                 powerpc-apple-darwin7.4*)
 654                         AFS_SYSNAME="ppc_darwin_70"
 655                         ;;
 656                 powerpc-apple-darwin7.5*)
 657                         AFS_SYSNAME="ppc_darwin_70"
 658                         ;;
 659                 powerpc-apple-darwin8.0*)
 660                         AFS_SYSNAME="ppc_darwin_80"
 661                         ;;
 662                 powerpc-apple-darwin8.*)
 663                         AFS_SYSNAME="ppc_darwin_80"
 664                         ;;
 665                 i386-apple-darwin8.*)
 666                         AFS_SYSNAME="x86_darwin_80"
 667                         ;;
 668                 powerpc-apple-darwin9.*)
 669                         AFS_SYSNAME="ppc_darwin_90"
 670                         ;;
 671                 i386-apple-darwin9.*)
 672                         AFS_SYSNAME="x86_darwin_90"
 673                         ;;
 674                 i?86-apple-darwin10.*)
 675                         AFS_SYSNAME="x86_darwin_100"
 676                         ;;
 677                 sparc-sun-solaris2.5*)
 678                         AFS_SYSNAME="sun4x_55"
 679                         enable_login="yes"
 680                         ;;
 681                 sparc-sun-solaris2.6)
 682                         AFS_SYSNAME="sun4x_56"
 683                         ;;
 684                 sparc-sun-solaris2.7)
 685                         AFS_SYSNAME="sun4x_57"
 686                         ;;
 687                 sparc-sun-solaris2.8)
 688                         AFS_SYSNAME="sun4x_58"
 689                         ;;
 690                 sparc-sun-solaris2.9)
 691                         AFS_SYSNAME="sun4x_59"
 692                         ;;
 693                 sparc-sun-solaris2.10)
 694                         AFS_SYSNAME="sun4x_510"
 695                         ;;
 696                 sparc-sun-solaris2.11)
 697                         AFS_SYSNAME="sun4x_511"
 698                         ;;
 699                 sparc-sun-sunos4*)
 700                         AFS_SYSNAME="sun4_413"
 701                         enable_login="yes"
 702                         ;;
 703                 i386-pc-solaris2.7)
 704                         AFS_SYSNAME="sunx86_57"
 705                         ;;
 706                 i386-pc-solaris2.8)
 707                         AFS_SYSNAME="sunx86_58"
 708                         ;;
 709                 i386-pc-solaris2.9)
 710                         AFS_SYSNAME="sunx86_59"
 711                         ;;
 712                 i386-pc-solaris2.10)
 713                         AFS_SYSNAME="sunx86_510"
 714                         ;;
 715                 i386-pc-solaris2.11)
 716                         AFS_SYSNAME="sunx86_511"
 717                         ;;
 718                 alpha*-dec-osf4.0*)
 719                         AFS_SYSNAME="alpha_dux40"
 720                         ;;
 721                 alpha*-dec-osf5.0*)
 722                         AFS_SYSNAME="alpha_dux50"
 723                         ;;
 724                 alpha*-dec-osf5.1*)
 725                         AFS_SYSNAME="alpha_dux51"
 726                         ;;
 727                 mips-sgi-irix6.5)
 728                         AFS_SYSNAME="sgi_65"
 729                         ;;
 730                 ia64-*-linux*)
 731                         AFS_SYSNAME="ia64_linuxXX"
 732                         ;;
 733                 powerpc-*-linux*)
 734                         AFS_SYSNAME="`/bin/arch`_linuxXX"
 735                         ;;
 736                 powerpc64-*-linux*)
 737                         AFS_SYSNAME="ppc64_linuxXX"
 738                         ;;
 739                 alpha*-linux*)
 740                         AFS_SYSNAME="alpha_linux_XX"
 741                         ;;
 742                 s390-*-linux*)
 743                         AFS_SYSNAME="s390_linuxXX"
 744                         ;;
 745                 s390x-*-linux*)
 746                         AFS_SYSNAME="s390x_linuxXX"
 747                         ;;
 748                 sparc-*-linux*)
 749                         AFS_SYSNAME="`/bin/arch`_linuxXX"
 750                         ;;
 751                 sparc64-*-linux*)
 752                         AFS_SYSNAME="sparc64_linuxXX"
 753                         ;;
 754                 i?86-*-linux*)
 755                         AFS_SYSNAME="i386_linuxXX"
 756                         ;;
 757                 arm*-linux*)
 758                         AFS_SYSNAME="arm_linuxXX"
 759                         ;;
 760                 parisc-*-linux-gnu|hppa-*-linux-gnu)
 761                         AFS_SYSNAME="parisc_linuxXX"
 762                         enable_pam="no"
 763                         ;;
 764                 power*-ibm-aix4.2*)
 765                         AFS_SYSNAME="rs_aix42"
 766                         enable_pam="no"
 767                         ;;
 768                 power*-ibm-aix4.3*)
 769                         AFS_SYSNAME="rs_aix42"
 770                         enable_pam="no"
 771                         ;;
 772                 power*-ibm-aix5.1*)
 773                         AFS_SYSNAME="rs_aix51"
 774                         enable_pam="no"
 775                         ;;
 776                 power*-ibm-aix5.2*)
 777                         AFS_SYSNAME="rs_aix52"
 778                         enable_pam="no"
 779                         ;;
 780                 power*-ibm-aix5.3*)
 781                         AFS_SYSNAME="rs_aix53"
 782                         enable_pam="no"
 783                         ;;
 784                 power*-ibm-aix6.1*)
 785                         AFS_SYSNAME="rs_aix61"
 786                         enable_pam="no"
 787                         ;;
 788                 x86_64-*-linux-gnu)
 789                         AFS_SYSNAME="amd64_linuxXX"
 790                         enable_pam="yes"
 791                         ;;
 792                 *)
 793                         AC_MSG_ERROR(An AFS sysname is required)
 794                         exit 1
 795                         ;;
 796         esac
 797         case $AFS_SYSNAME in
 798                 *_linux* | *_umlinux*)
 799                         if test "x${AFS_SYSKVERS}" = "x"; then
 800                          AC_MSG_ERROR(Couldn't guess your Linux version. Please use the --with-afs-sysname option to configure an AFS sysname.)
 801                         fi
 802                         _AFS_SYSNAME=`echo $AFS_SYSNAME|sed s/XX\$/$AFS_SYSKVERS/`
 803                         AFS_SYSNAME="$_AFS_SYSNAME"
 804                         save_CPPFLAGS="$CPPFLAGS"
 805                         CPPFLAGS="-I${LINUX_KERNEL_PATH}/include $CPPFLAGS"
 806                         AC_TRY_COMPILE(
 807                          [#include <linux/autoconf.h>],
 808                          [#ifndef CONFIG_USERMODE
 809                           #error not UML
 810                           #endif],
 811                          ac_cv_linux_is_uml=yes,)
 812                         if test "${ac_cv_linux_is_uml}" = yes; then
 813                          _AFS_SYSNAME=`echo $AFS_SYSNAME|sed s/linux/umlinux/`
 814                         fi
 815                         CPPFLAGS="$save_CPPFLAGS"
 816                         AFS_SYSNAME="$_AFS_SYSNAME"
 817                         ;;
 818         esac
 819         AC_MSG_RESULT($AFS_SYSNAME)
 820 fi
 821
 822 dnl Some hosts have a separate common param file they should include.  Figure
 823 dnl out if we're on one of them now that we know the sysname.
 824 case $AFS_SYSNAME in
 825     *_nbsd15)   AFS_PARAM_COMMON=param.nbsd15.h  ;;
 826     *_nbsd16)   AFS_PARAM_COMMON=param.nbsd16.h  ;;
 827     *_nbsd20)   AFS_PARAM_COMMON=param.nbsd20.h  ;;
 828     *_nbsd21)   AFS_PARAM_COMMON=param.nbsd21.h  ;;
 829     *_nbsd30)   AFS_PARAM_COMMON=param.nbsd30.h  ;;
 830     *_nbsd40)   AFS_PARAM_COMMON=param.nbsd40.h  ;;
 831     *_obsd31)   AFS_PARAM_COMMON=param.obsd31.h  ;;
 832     *_obsd32)   AFS_PARAM_COMMON=param.obsd32.h  ;;
 833     *_obsd33)   AFS_PARAM_COMMON=param.obsd33.h  ;;
 834     *_obsd34)   AFS_PARAM_COMMON=param.obsd34.h  ;;
 835     *_obsd35)   AFS_PARAM_COMMON=param.obsd35.h  ;;
 836     *_obsd36)   AFS_PARAM_COMMON=param.obsd36.h  ;;
 837     *_obsd37)   AFS_PARAM_COMMON=param.obsd37.h  ;;
 838     *_obsd38)   AFS_PARAM_COMMON=param.obsd38.h  ;;
 839     *_obsd39)   AFS_PARAM_COMMON=param.obsd39.h  ;;
 840     *_obsd40)   AFS_PARAM_COMMON=param.obsd40.h  ;;
 841     *_obsd41)   AFS_PARAM_COMMON=param.obsd41.h  ;;
 842     *_obsd42)   AFS_PARAM_COMMON=param.obsd42.h  ;;
 843     *_obsd43)   AFS_PARAM_COMMON=param.obsd43.h  ;;
 844     *_obsd44)   AFS_PARAM_COMMON=param.obsd44.h  ;;
 845     *_obsd45)   AFS_PARAM_COMMON=param.obsd45.h  ;;
 846     *_linux22)  AFS_PARAM_COMMON=param.linux22.h ;;
 847     *_linux24)  AFS_PARAM_COMMON=param.linux24.h ;;
 848     *_linux26)  AFS_PARAM_COMMON=param.linux26.h ;;
 849 esac
 850
 851 case $AFS_SYSNAME in *_linux* | *_umlinux*)
 852
 853                 # Add (sub-) architecture-specific paths needed by conftests
 854                 case $AFS_SYSNAME  in
 855                         *_umlinux26)
 856                                 UMLINUX26_FLAGS="-I$LINUX_KERNEL_PATH/arch/um/include"
 857                                 UMLINUX26_FLAGS="$UMLINUX26_FLAGS -I$LINUX_KERNEL_PATH/arch/um/kernel/tt/include"
 858                                 UMLINUX26_FLAGS="$UMLINUX26_FLAGS -I$LINUX_KERNEL_PATH/arch/um/kernel/skas/include"
 859                                 CPPFLAGS="$CPPFLAGS $UMLINUX26_FLAGS"
 860                 esac
 861
 862                 if test "x$enable_kernel_module" = "xyes"; then
 863                  if test "x$enable_debug_kernel" = "xno"; then
 864                         LINUX_GCC_KOPTS="$LINUX_GCC_KOPTS -fomit-frame-pointer"
 865                  fi
 866                  OPENAFS_GCC_SUPPORTS_MARCH
 867                  AC_SUBST(P5PLUS_KOPTS)
 868                  OPENAFS_GCC_NEEDS_NO_STRENGTH_REDUCE
 869                  OPENAFS_GCC_NEEDS_NO_STRICT_ALIASING
 870                  OPENAFS_GCC_SUPPORTS_NO_COMMON
 871                  OPENAFS_GCC_SUPPORTS_PIPE
 872                  AC_SUBST(LINUX_GCC_KOPTS)
 873                  ifdef([OPENAFS_CONFIGURE_LIBAFS],
 874                    [LINUX_BUILD_VNODE_FROM_INODE(src/config,src/afs)],
 875                    [LINUX_BUILD_VNODE_FROM_INODE(${srcdir}/src/config,src/afs/LINUX,${srcdir}/src/afs/LINUX)]
 876                  )
 877
 878                  LINUX_KBUILD_USES_EXTRA_CFLAGS
 879                  LINUX_KERNEL_COMPILE_WORKS
 880                  LINUX_EXPORTS_FIND_TASK_BY_PID
 881                  LINUX_EXPORTS_PROC_ROOT_FS
 882                  LINUX_HAVE_CURRENT_KERNEL_TIME
 883                  LINUX_HAVE_WRITE_BEGIN_AOP
 884                  LINUX_HAVE_BDI_INIT
 885                  LINUX_KMEM_CACHE_INIT
 886                  LINUX_HAVE_GRAB_CACHE_PAGE_WRITE_BEGIN
 887                  LINUX_STRUCT_TASK_HAS_CRED
 888                  LINUX_STRUCT_PROC_DIR_ENTRY_HAS_OWNER
 889                  LINUX_HAVE_KMEM_CACHE_T
 890                  LINUX_KMEM_CACHE_CREATE_TAKES_DTOR
 891                  LINUX_D_PATH_TAKES_STRUCT_PATH
 892                  LINUX_NEW_EXPORT_OPS
 893                  LINUX_CONFIG_H_EXISTS
 894                  LINUX_COMPLETION_H_EXISTS
 895                  LINUX_SEMAPHORE_H_EXISTS
 896                  LINUX_EXPORTFS_H_EXISTS
 897                  LINUX_DEFINES_FOR_EACH_PROCESS
 898                  LINUX_DEFINES_PREV_TASK
 899                  LINUX_FS_STRUCT_SUPER_HAS_ALLOC_INODE
 900                  LINUX_FS_STRUCT_ADDRESS_SPACE_HAS_PAGE_LOCK
 901                  LINUX_FS_STRUCT_ADDRESS_SPACE_HAS_GFP_MASK
 902                  LINUX_FS_STRUCT_INODE_HAS_I_ALLOC_SEM
 903                  LINUX_FS_STRUCT_INODE_HAS_I_BLKBITS
 904                  LINUX_FS_STRUCT_INODE_HAS_I_BLKSIZE
 905                  LINUX_FS_STRUCT_INODE_HAS_I_TRUNCATE_SEM
 906                  LINUX_FS_STRUCT_INODE_HAS_I_DIRTY_DATA_BUFFERS
 907                  LINUX_FS_STRUCT_INODE_HAS_I_DEVICES
 908                  LINUX_FS_STRUCT_INODE_HAS_I_MMAP_SHARED
 909                  LINUX_FS_STRUCT_INODE_HAS_I_MUTEX
 910                  LINUX_FS_STRUCT_INODE_HAS_I_SB_LIST
 911                  LINUX_FS_STRUCT_INODE_HAS_I_SECURITY
 912                  LINUX_FS_STRUCT_INODE_HAS_INOTIFY_LOCK
 913                  LINUX_FS_STRUCT_INODE_HAS_INOTIFY_SEM
 914                  LINUX_INODE_SETATTR_RETURN_TYPE
 915                  LINUX_WRITE_INODE_RETURN_TYPE
 916                  LINUX_IOP_I_CREATE_TAKES_NAMEIDATA
 917                  LINUX_IOP_I_LOOKUP_TAKES_NAMEIDATA
 918                  LINUX_IOP_I_PERMISSION_TAKES_NAMEIDATA
 919                  LINUX_IOP_I_PUT_LINK_TAKES_COOKIE
 920                  LINUX_DOP_D_REVALIDATE_TAKES_NAMEIDATA
 921                  LINUX_FOP_F_FLUSH_TAKES_FL_OWNER_T
 922                  LINUX_AOP_WRITEBACK_CONTROL
 923                  LINUX_FS_STRUCT_FOP_HAS_FLOCK
 924                  LINUX_FS_STRUCT_FOP_HAS_SENDFILE
 925                  LINUX_FS_STRUCT_FOP_HAS_SPLICE
 926                  LINUX_KERNEL_LINUX_SYSCALL_H
 927                  LINUX_KERNEL_LINUX_SEQ_FILE_H
 928                  LINUX_KERNEL_POSIX_LOCK_FILE_WAIT_ARG
 929                  LINUX_POSIX_TEST_LOCK_RETURNS_CONFLICT
 930                  LINUX_POSIX_TEST_LOCK_CONFLICT_ARG
 931                  LINUX_KERNEL_SELINUX
 932                  LINUX_KERNEL_SOCK_CREATE
 933                  LINUX_KERNEL_PAGE_FOLLOW_LINK
 934                  LINUX_KERNEL_HLIST_UNHASHED
 935                  LINUX_KEY_TYPE_H_EXISTS
 936                  LINUX_EXPORTS_KEY_TYPE_KEYRING
 937                  LINUX_NEED_RHCONFIG
 938                  LINUX_RECALC_SIGPENDING_ARG_TYPE
 939                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_PARENT
 940                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_REAL_PARENT
 941                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_SIG
 942                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_SIGHAND
 943                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_SIGMASK_LOCK
 944                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_RLIM
 945                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_SIGNAL_RLIM
 946                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_EXIT_STATE
 947                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_TGID
 948                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_TODO
 949                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_THREAD_INFO
 950                  LINUX_EXPORTS_TASKLIST_LOCK
 951                  LINUX_GET_SB_HAS_STRUCT_VFSMOUNT
 952                  LINUX_STATFS_TAKES_DENTRY
 953                  LINUX_FREEZER_H_EXISTS
 954                  LINUX_HAVE_SVC_ADDR_IN
 955                  if test "x$ac_cv_linux_freezer_h_exists" = "xyes" ; then
 956                   AC_DEFINE(FREEZER_H_EXISTS, 1, [define if you have linux/freezer.h])
 957                  fi
 958                  LINUX_REFRIGERATOR
 959                  LINUX_LINUX_KEYRING_SUPPORT
 960                  LINUX_KEY_ALLOC_NEEDS_STRUCT_TASK
 961                  LINUX_KEY_ALLOC_NEEDS_CRED
 962                  LINUX_DO_SYNC_READ
 963                  LINUX_GENERIC_FILE_AIO_READ
 964                  LINUX_INIT_WORK_HAS_DATA
 965                  LINUX_REGISTER_SYSCTL_TABLE_NOFLAG
 966                  LINUX_SYSCTL_TABLE_CHECKING
 967                  LINUX_HAVE_IGET
 968                  if test "x$ac_cv_linux_have_iget" = "xno"; then
 969                    AC_DEFINE([LINUX_USE_FH], 1, [define to use linux file handles for cache files])
 970                  fi
 971                  LINUX_HAVE_I_SIZE_READ
 972                  LINUX_HAVE_D_ALLOC_ANON
 973                  if test "x$ac_cv_linux_d_alloc_anon" = "xno"; then
 974                    AC_DEFINE([AFS_NONFSTRANS], 1, [define to disable the nfs translator])
 975                  fi
 976                  LINUX_FS_STRUCT_NAMEIDATA_HAS_PATH
 977                  LINUX_EXPORTS_INIT_MM
 978                  LINUX_EXPORTS_SYS_CHDIR
 979                  LINUX_EXPORTS_SYS_CLOSE
 980                  LINUX_EXPORTS_SYS_OPEN
 981                  LINUX_EXPORTS_SYS_WAIT4
 982                  LINUX_EXPORTS_RCU_READ_LOCK
 983                  if test "x$with_linux_kernel_packaging" = "xno" ; then
 984                    LINUX_WHICH_MODULES
 985                  else
 986                    AC_SUBST(MPS,'SP')
 987                  fi
 988                  if test "x$ac_cv_linux_config_modversions" = "xno" -o $AFS_SYSKVERS -ge 26; then
 989                    AC_MSG_WARN([Cannot determine sys_call_table status. assuming it isn't exported])
 990                    ac_cv_linux_exports_sys_call_table=no
 991                    if test -f "$LINUX_KERNEL_PATH/include/asm/ia32_unistd.h"; then
 992                      ac_cv_linux_exports_ia32_sys_call_table=yes
 993                    fi
 994                  else
 995                    LINUX_EXPORTS_KALLSYMS_ADDRESS
 996                    LINUX_EXPORTS_KALLSYMS_SYMBOL
 997                    LINUX_EXPORTS_SYS_CALL_TABLE
 998                    LINUX_EXPORTS_IA32_SYS_CALL_TABLE
 999                    if test "x$ac_cv_linux_exports_sys_call_table" = "xno"; then
1000                          linux_syscall_method=none
1001                          if test "x$ac_cv_linux_exports_init_mm" = "xyes"; then
1002                             linux_syscall_method=scan
1003                             if test "x$ac_cv_linux_exports_kallsyms_address" = "xyes"; then
1004                                linux_syscall_method=scan_with_kallsyms_address
1005                             fi
1006                          fi
1007                          if test "x$ac_cv_linux_exports_kallsyms_symbol" = "xyes"; then
1008                             linux_syscall_method=kallsyms_symbol
1009                          fi
1010                          if test "x$linux_syscall_method" = "xnone"; then
1011                             AC_MSG_WARN([no available sys_call_table access method -- guessing scan])
1012                             linux_syscall_method=scan
1013                          fi
1014                    fi
1015                  fi
1016                  if test -f "$LINUX_KERNEL_PATH/include/linux/in_systm.h"; then
1017                   AC_DEFINE(HAVE_IN_SYSTM_H, 1, [define if you have in_systm.h header file])
1018                  fi
1019                  if test -f "$LINUX_KERNEL_PATH/include/linux/mm_inline.h"; then
1020                   AC_DEFINE(HAVE_MM_INLINE_H, 1, [define if you have mm_inline.h header file])
1021                  fi
1022                  if test -f "$LINUX_KERNEL_PATH/include/linux/in_systm.h"; then
1023                   AC_DEFINE(HAVE_IN_SYSTM_H, 1, [define if you have in_systm.h header file])
1024                  fi
1025                  if test "x$ac_cv_linux_exports_sys_chdir" = "xyes" ; then
1026                   AC_DEFINE(EXPORTED_SYS_CHDIR, 1, [define if your linux kernel exports sys_chdir])
1027                  fi
1028                  if test "x$ac_cv_linux_exports_sys_open" = "xyes" ; then
1029                   AC_DEFINE(EXPORTED_SYS_OPEN, 1, [define if your linux kernel exports sys_open])
1030                  fi
1031                  if test "x$ac_cv_linux_exports_sys_close" = "xyes" ; then
1032                   AC_DEFINE(EXPORTED_SYS_CLOSE, 1, [define if your linux kernel exports sys_close])
1033                  fi
1034                  if test "x$ac_cv_linux_exports_sys_wait4" = "xyes" ; then
1035                   AC_DEFINE(EXPORTED_SYS_WAIT4, 1, [define if your linux kernel exports sys_wait4])
1036                  fi
1037                  if test "x$ac_cv_linux_exports_sys_call_table" = "xyes"; then
1038                   AC_DEFINE(EXPORTED_SYS_CALL_TABLE, 1, [define if your linux kernel exports sys_call_table])
1039                  fi
1040                  if test "x$ac_cv_linux_exports_ia32_sys_call_table" = "xyes"; then
1041                   AC_DEFINE(EXPORTED_IA32_SYS_CALL_TABLE, 1, [define if your linux kernel exports ia32_sys_call_table])
1042                  fi
1043                  if test "x$ac_cv_linux_exports_kallsyms_symbol" = "xyes"; then
1044                   AC_DEFINE(EXPORTED_KALLSYMS_SYMBOL, 1, [define if your linux kernel exports kallsyms])
1045                  fi
1046                  if test "x$ac_cv_linux_exports_kallsyms_address" = "xyes"; then
1047                   AC_DEFINE(EXPORTED_KALLSYMS_ADDRESS, 1, [define if your linux kernel exports kallsyms address])
1048                  fi
1049                  if test "x$ac_cv_linux_completion_h_exists" = "xyes" ; then
1050                   AC_DEFINE(COMPLETION_H_EXISTS, 1, [define if completion_h exists])
1051                  fi
1052                  if test "x$ac_cv_linux_config_h_exists" = "xyes" ; then
1053                   AC_DEFINE(CONFIG_H_EXISTS, 1, [define if config.h exists])
1054                  fi
1055                  if test "x$ac_cv_linux_exportfs_h_exists" = "xyes"; then
1056                   AC_DEFINE(EXPORTFS_H_EXISTS, 1, [define if linux/exportfs.h exists])
1057                  fi
1058                  if test "x$ac_cv_linux_key_type_h_exists" = "xyes" ; then
1059                   AC_DEFINE(KEY_TYPE_H_EXISTS, 1, [define if key-type.h exists])
1060                  fi
1061                  if test "x$ac_cv_linux_defines_for_each_process" = "xyes" ; then
1062                   AC_DEFINE(DEFINED_FOR_EACH_PROCESS, 1, [define if for_each_process defined])
1063                  fi
1064                  if test "x$ac_cv_linux_defines_prev_task" = "xyes" ; then
1065                   AC_DEFINE(DEFINED_PREV_TASK, 1, [define if prev_task defined])
1066                  fi
1067                  if test "x$ac_cv_linux_func_inode_setattr_returns_int" = "xyes" ; then
1068                   AC_DEFINE(INODE_SETATTR_NOT_VOID, 1, [define if your setattr return return non-void])
1069                  fi
1070                  if test "x$ac_cv_linux_func_write_inode_returns_int" = "xyes" ; then
1071                   AC_DEFINE(WRITE_INODE_NOT_VOID, 1, [define if your sops.write_inode returns non-void])
1072                  fi
1073                  if test "x$ac_cv_linux_fs_struct_super_has_alloc_inode" = "xyes" ; then
1074                   AC_DEFINE(STRUCT_SUPER_HAS_ALLOC_INODE, 1, [define if your struct super_operations has alloc_inode])
1075                  fi
1076                  if test "x$ac_cv_linux_fs_struct_address_space_has_page_lock" = "xyes"; then
1077                   AC_DEFINE(STRUCT_ADDRESS_SPACE_HAS_PAGE_LOCK, 1, [define if your struct address_space has page_lock])
1078                  fi
1079                  if test "x$ac_cv_linux_fs_struct_address_space_has_gfp_mask" = "xyes"; then
1080                   AC_DEFINE(STRUCT_ADDRESS_SPACE_HAS_GFP_MASK, 1, [define if your struct address_space has gfp_mask])
1081                  fi
1082                  if test "x$ac_cv_linux_fs_struct_inode_has_i_truncate_sem" = "xyes"; then
1083                   AC_DEFINE(STRUCT_INODE_HAS_I_TRUNCATE_SEM, 1, [define if your struct inode has truncate_sem])
1084                  fi
1085                  if test "x$ac_cv_linux_fs_struct_inode_has_i_alloc_sem" = "xyes"; then
1086                   AC_DEFINE(STRUCT_INODE_HAS_I_ALLOC_SEM, 1, [define if your struct inode has alloc_sem])
1087                  fi
1088                  if test "x$ac_cv_linux_fs_struct_inode_has_i_blksize" = "xyes"; then
1089                   AC_DEFINE(STRUCT_INODE_HAS_I_BLKSIZE, 1, [define if your struct inode has i_blksize])
1090                  fi
1091                  if test "x$ac_cv_linux_fs_struct_inode_has_i_devices" = "xyes"; then
1092                   AC_DEFINE(STRUCT_INODE_HAS_I_DEVICES, 1, [define if you struct inode has i_devices])
1093                  fi
1094                  if test "x$ac_cv_linux_fs_struct_inode_has_i_security" = "xyes"; then
1095                   AC_DEFINE(STRUCT_INODE_HAS_I_SECURITY, 1, [define if you struct inode has i_security])
1096                  fi
1097                  if test "x$ac_cv_linux_fs_struct_inode_has_i_mutex" = "xyes"; then
1098                   AC_DEFINE(STRUCT_INODE_HAS_I_MUTEX, 1, [define if you struct inode has i_mutex])
1099                  fi
1100                  if test "x$ac_cv_linux_fs_struct_inode_has_i_sb_list" = "xyes"; then
1101                   AC_DEFINE(STRUCT_INODE_HAS_I_SB_LIST, 1, [define if you struct inode has i_sb_list])
1102                  fi
1103                  if test "x$ac_cv_linux_fs_struct_inode_has_i_dirty_data_buffers" = "xyes"; then
1104                   AC_DEFINE(STRUCT_INODE_HAS_I_DIRTY_DATA_BUFFERS, 1, [define if your struct inode has data_buffers])
1105                  fi
1106                  if test "x$ac_cv_linux_fs_struct_inode_has_inotify_lock" = "xyes"; then
1107                   AC_DEFINE(STRUCT_INODE_HAS_INOTIFY_LOCK, 1, [define if your struct inode has inotify_lock])
1108                  fi
1109                  if test "x$ac_cv_linux_fs_struct_inode_has_inotify_sem" = "xyes"; then
1110                   AC_DEFINE(STRUCT_INODE_HAS_INOTIFY_SEM, 1, [define if your struct inode has inotify_sem])
1111                  fi
1112                  if test "x$ac_cv_linux_func_recalc_sigpending_takes_void" = "xyes"; then
1113                   AC_DEFINE(RECALC_SIGPENDING_TAKES_VOID, 1, [define if your recalc_sigpending takes void])
1114                  fi
1115                  if test "x$ac_cv_linux_kernel_posix_lock_file_wait_arg" = "xyes" ; then
1116                   AC_DEFINE(POSIX_LOCK_FILE_WAIT_ARG, 1, [define if your linux kernel uses 3 arguments for posix_lock_file])
1117                  fi
1118                  if test "x$ac_cv_linux_kernel_is_selinux" = "xyes" ; then
1119                   AC_DEFINE(LINUX_KERNEL_IS_SELINUX, 1, [define if your linux kernel uses SELinux features])
1120                  fi
1121                  if test "x$ac_cv_linux_kernel_sock_create_v" = "xyes" ; then
1122                   AC_DEFINE(LINUX_KERNEL_SOCK_CREATE_V, 1, [define if your linux kernel uses 5 arguments for sock_create])
1123                  fi
1124                  if test "x$ac_cv_linux_kernel_page_follow_link" = "xyes" ; then
1125                   AC_DEFINE(HAVE_KERNEL_PAGE_FOLLOW_LINK, 1, [define if your linux kernel provides page_follow_link])
1126                  fi
1127                  if test "x$ac_cv_linux_kernel_hlist_unhashed" = "xyes" ; then
1128                   AC_DEFINE(HAVE_KERNEL_HLIST_UNHASHED, 1, [define if your linux kernel provides hlist_unhashed])
1129                  fi
1130                  if test "x$ac_linux_syscall" = "xyes" ; then
1131                   AC_DEFINE(HAVE_KERNEL_LINUX_SYSCALL_H, 1, [define if your linux kernel has linux/syscall.h])
1132                  fi
1133                  if test "x$ac_linux_seq_file" = "xyes" ; then
1134                   AC_DEFINE(HAVE_KERNEL_LINUX_SEQ_FILE_H, 1, [define if your linux kernel has linux/seq_file.h])
1135                  fi
1136                  if test "x$ac_cv_linux_sched_struct_task_struct_has_parent" = "xyes"; then
1137                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_PARENT, 1, [define if your struct task_struct has parent])
1138                  fi
1139                  if test "x$ac_cv_linux_sched_struct_task_struct_has_real_parent" = "xyes"; then
1140                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_REAL_PARENT, 1, [define if your struct task_struct has real_parent])
1141                  fi
1142                  if test "x$ac_cv_linux_sched_struct_task_struct_has_sigmask_lock" = "xyes"; then
1143                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_SIGMASK_LOCK, 1, [define if your struct task_struct has sigmask_lock])
1144                  fi
1145                  if test "x$ac_cv_linux_sched_struct_task_struct_has_sighand" = "xyes"; then
1146                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_SIGHAND, 1, [define if your struct task_struct has sighand])
1147                  fi
1148                  if test "x$ac_cv_linux_sched_struct_task_struct_has_sig" = "xyes"; then
1149                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_SIG, 1, [define if your struct task_struct has sig])
1150                  fi
1151                  if test "x$ac_cv_linux_sched_struct_task_struct_has_rlim" = "xyes"; then
1152                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_RLIM, 1, [define if your struct task_struct has rlim])
1153                  fi
1154                  if test "x$ac_cv_linux_sched_struct_task_struct_has_signal_rlim" = "xyes"; then
1155                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_SIGNAL_RLIM, 1, [define if your struct task_struct has signal->rlim])
1156                  fi
1157                  if test "x$ac_cv_linux_sched_struct_task_struct_has_exit_state" = "xyes"; then
1158                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_EXIT_STATE, 1, [define if your struct task_struct has exit_state])
1159                  fi
1160                  if test "x$ac_cv_linux_sched_struct_task_struct_has_tgid" = "xyes"; then
1161                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_TGID, 1, [define if your struct task_struct has tgid])
1162                  fi
1163                  if test "x$ac_cv_linux_sched_struct_task_struct_has_todo" = "xyes"; then
1164                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_TODO, 1, [define if your struct task_struct has todo])
1165                  fi
1166                  if test "x$ac_cv_linux_sched_struct_task_struct_has_thread_info" = "xyes"; then
1167                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_THREAD_INFO, 1, [define if your struct task_struct has thread_info])
1168                  fi
1169                  if test "x$ac_cv_linux_get_sb_has_struct_vfsmount" = "xyes"; then
1170                   AC_DEFINE(GET_SB_HAS_STRUCT_VFSMOUNT, 1, [define if your get_sb_nodev needs a struct vfsmount argument])
1171                  fi
1172                  if test "x$ac_cv_linux_statfs_takes_dentry" = "xyes"; then
1173                   AC_DEFINE(STATFS_TAKES_DENTRY, 1, [define if your statfs takes a dentry argument])
1174                  fi
1175                  if test "x$ac_cv_linux_func_a_writepage_takes_writeback_control" = "xyes" ; then
1176                   AC_DEFINE(AOP_WRITEPAGE_TAKES_WRITEBACK_CONTROL, 1, [define if your aops.writepage takes a struct writeback_control argument])
1177                  fi
1178                  if test "x$ac_cv_linux_func_refrigerator_takes_pf_freeze" = "xyes" ; then
1179                   AC_DEFINE(LINUX_REFRIGERATOR_TAKES_PF_FREEZE, 1, [define if your refrigerator takes PF_FREEZE])
1180                  fi
1181                  if test "x$ac_cv_linux_func_i_create_takes_nameidata" = "xyes" ; then
1182                   AC_DEFINE(IOP_CREATE_TAKES_NAMEIDATA, 1, [define if your iops.create takes a nameidata argument])
1183                  fi
1184                  if test "x$ac_cv_linux_func_f_flush_takes_fl_owner_t" = "xyes" ; then
1185                   AC_DEFINE(FOP_FLUSH_TAKES_FL_OWNER_T, 1, [define if your fops.flush takes an fl_owner_t argument])
1186                  fi
1187                  if test "x$ac_cv_linux_func_i_lookup_takes_nameidata" = "xyes" ; then
1188                   AC_DEFINE(IOP_LOOKUP_TAKES_NAMEIDATA, 1, [define if your iops.lookup takes a nameidata argument])
1189                  fi
1190                  if test "x$ac_cv_linux_func_i_permission_takes_nameidata" = "xyes" ; then
1191                   AC_DEFINE(IOP_PERMISSION_TAKES_NAMEIDATA, 1, [define if your iops.permission takes a nameidata argument])
1192                  fi
1193                  if test "x$ac_cv_linux_func_d_revalidate_takes_nameidata" = "xyes" ; then
1194                   AC_DEFINE(DOP_REVALIDATE_TAKES_NAMEIDATA, 1, [define if your dops.d_revalidate takes a nameidata argument])
1195                  fi
1196                  if test "x$ac_cv_linux_init_work_has_data" = "xyes" ; then
1197                   AC_DEFINE(INIT_WORK_HAS_DATA, 1, [define if INIT_WORK takes a data (3rd) argument])
1198                  fi
1199                  if test "x$ac_cv_linux_fs_struct_fop_has_flock" = "xyes" ; then
1200                   AC_DEFINE(STRUCT_FILE_OPERATIONS_HAS_FLOCK, 1, [define if your struct file_operations has flock])
1201                  fi
1202                  if test "x$ac_cv_linux_fs_struct_fop_has_sendfile" = "xyes" ; then
1203                   AC_DEFINE(STRUCT_FILE_OPERATIONS_HAS_SENDFILE, 1, [define if your struct file_operations has sendfile])
1204                  fi
1205                  if test "x$ac_cv_linux_fs_struct_fop_has_splice" = "xyes" ; then
1206                   AC_DEFINE(STRUCT_FILE_OPERATIONS_HAS_SPLICE, 1, [define if your struct file_operations has splice_write and splice_read])
1207                  fi
1208                  if test "x$ac_cv_linux_register_sysctl_table_noflag" = "xyes" ; then
1209                   AC_DEFINE(REGISTER_SYSCTL_TABLE_NOFLAG, 1, [define if register_sysctl_table has no insert_at head flag])
1210                  fi
1211                  if test "x$ac_cv_linux_sysctl_table_checking" = "xyes" ; then
1212                   AC_DEFINE(SYSCTL_TABLE_CHECKING, 1, [define if your kernel has sysctl table checking])
1213                  fi
1214                  if test "x$ac_cv_linux_have_iget" = "xyes" ; then
1215                   AC_DEFINE(HAVE_IGET, 1, [define if your kernel has iget])
1216                  fi
1217                  if test "x$ac_cv_linux_struct_nameidata_has_path" = "xyes" ; then
1218                   AC_DEFINE(STRUCT_NAMEIDATA_HAS_PATH, 1, [define if your struct nameidata has path])
1219                  fi
1220                  if test "x$ac_cv_linux_exports_init_mm" = "xyes" ; then
1221                   AC_DEFINE(EXPORTED_INIT_MM, 1, [define if your kernel exports init_mm])
1222                  fi
1223                  if test "x$ac_cv_linux_exports_tasklist_lock" = "xyes" ; then
1224                   AC_DEFINE(EXPORTED_TASKLIST_LOCK, 1, [define if tasklist_lock exported])
1225                  fi
1226                  if test "x$ac_cv_linux_have_kmem_cache_t" = "xyes" ; then
1227                   AC_DEFINE(HAVE_KMEM_CACHE_T, 1, [define if kmem_cache_t exists])
1228                  fi
1229                  if test "x$ac_cv_linux_kmem_cache_init" = "xyes" ; then
1230                   AC_DEFINE(KMEM_CACHE_INIT, 1, [define for new kmem_cache init function parameters])
1231                  fi
1232                  if test "x$ac_cv_linux_have_current_kernel_time" = "xyes" ; then
1233                   AC_DEFINE(HAVE_CURRENT_KERNEL_TIME, 1, [define if current_kernel_time() exists])
1234                  fi
1235                  if test "x$ac_cv_linux_have_kmem_cache_t" = "xyes" ; then
1236                   AC_DEFINE(KMEM_CACHE_TAKES_DTOR, 1, [define if kmem_cache_create takes a destructor argument])
1237                  fi
1238                  if test "x$ac_cv_linux_kernel_page_follow_link" = "xyes" -o "x$ac_cv_linux_func_i_put_link_takes_cookie" = "xyes"; then
1239                   AC_DEFINE(USABLE_KERNEL_PAGE_SYMLINK_CACHE, 1, [define if your kernel has a usable symlink cache API])
1240                  else
1241                   AC_MSG_WARN([your kernel does not have a usable symlink cache API])
1242                  fi
1243                  if test "x$ac_cv_linux_have_svc_addr_in" = "xyes"; then
1244                   AC_DEFINE(HAVE_SVC_ADDR_IN, 1, [define if svc_add_in exists])
1245                  fi
1246                 :
1247                 fi
1248 esac
1249
1250 case $AFS_SYSNAME in
1251         *_darwin*)
1252                 DARWIN_PLIST=src/libafs/afs.${AFS_SYSNAME}.plist
1253                 DARWIN_INFOFILE=afs.${AFS_SYSNAME}.plist
1254                 dnl the test below fails on darwin, even if the CPPFLAGS below
1255                 dnl are added. the headers from Kernel.framework must be used
1256                 dnl when KERNEL is defined.
1257
1258                 dnl really, such a thing isn't guaranteed to work on any
1259                 dnl platform until the kernel cflags from MakefileProto are
1260                 dnl known to configure
1261                 AC_DEFINE(HAVE_STRUCT_BUF, 1, [define if you have a struct buf])
1262                 ;;
1263         *)
1264 AC_MSG_CHECKING(for definition of struct buf)
1265 dnl save_CPPFLAGS="$CPPFLAGS"
1266 dnl CPPFLAGS="$CPPFLAGS -DKERNEL -D_KERNEL -D__KERNEL -D__KERNEL__"
1267 AC_CACHE_VAL(ac_cv_have_struct_buf, [
1268         ac_cv_have_struct_buf=no
1269         AC_TRY_COMPILE(
1270                 [#include <sys/buf.h>],
1271                 [struct buf x;
1272                 printf("%d\n", sizeof(x));],
1273                 ac_cv_have_struct_buf=yes,)
1274         ]
1275 )
1276 dnl CPPFLAGS="$save_CPPFLAGS"
1277 AC_MSG_RESULT($ac_cv_have_struct_buf)
1278 if test "$ac_cv_have_struct_buf" = yes; then
1279         AC_DEFINE(HAVE_STRUCT_BUF, 1, [define if you have a struct buf])
1280 fi
1281 ;;
1282 esac
1283
1284
1285 AC_CACHE_VAL(ac_cv_sockaddr_len,
1286 [
1287 AC_MSG_CHECKING([if struct sockaddr has sa_len field])
1288 AC_TRY_COMPILE( [#include <sys/types.h>
1289 #include <sys/socket.h>],
1290 [struct sockaddr *a;
1291 a->sa_len=0;], ac_cv_sockaddr_len=yes, ac_cv_sockaddr_len=no)
1292 AC_MSG_RESULT($ac_cv_sockaddr_len)])
1293 if test "$ac_cv_sockaddr_len" = "yes"; then
1294    AC_DEFINE(STRUCT_SOCKADDR_HAS_SA_LEN, 1, [define if you struct sockaddr sa_len])
1295 fi
1296 if test "x${MKAFS_OSTYPE}" = "xIRIX"; then
1297         echo Skipping library tests because they confuse Irix.
1298 else
1299   AC_SEARCH_LIBS([socket], [socket inet])
1300   AC_SEARCH_LIBS([connect], [nsl])
1301   AC_SEARCH_LIBS([gethostbyname], [dns nsl resolv])
1302
1303   dnl darwin wants it, aix hates it
1304   AC_MSG_CHECKING(for the useability of arpa/nameser_compat.h)
1305   AC_TRY_COMPILE([
1306   #include <stdlib.h>
1307   #include <stdio.h>
1308   #include <sys/types.h>
1309   #include <sys/socket.h>
1310   #include <netinet/in.h>
1311   #include <arpa/inet.h>
1312   #include <arpa/nameser.h>
1313   #include <arpa/nameser_compat.h>
1314   #include <resolv.h>
1315   ], [static int i; i = 0;],
1316   [AC_MSG_RESULT(yes)
1317    AC_DEFINE(HAVE_ARPA_NAMESER_COMPAT_H, 1, [define if arpa/nameser_compat.h exists])],
1318   [AC_MSG_RESULT(no)
1319    ])
1320
1321   openafs_save_libs="$LIBS"
1322   AC_MSG_CHECKING([for res_search])
1323   AC_FUNC_RES_SEARCH
1324
1325   if test "$ac_cv_func_res_search" = no; then
1326       for lib in dns nsl resolv; do
1327         if test "$ac_cv_func_res_search" != yes; then
1328           LIBS="-l$lib $LIBS"
1329           AC_FUNC_RES_SEARCH
1330           LIBS="$openafs_save_libs"
1331         fi
1332       done
1333       if test "$ac_cv_func_res_search" = yes; then
1334         LIB_res_search="-l$lib"
1335         AC_DEFINE(HAVE_RES_SEARCH, 1, [])
1336         AC_MSG_RESULT([yes, in lib$lib])
1337       else
1338         AC_MSG_RESULT(no)
1339       fi
1340   else
1341     AC_DEFINE(HAVE_RES_SEARCH, 1, [])
1342     AC_MSG_RESULT(yes)
1343   fi
1344
1345 fi
1346
1347 AC_CACHE_VAL(ac_cv_setsockopt_iprecverr,
1348 [
1349 AC_MSG_CHECKING([for setsockopt(, SOL_IP, IP_RECVERR)])
1350 AC_TRY_COMPILE( [#include <sys/types.h>
1351 #include <sys/socket.h>
1352 #include <netinet/in.h>],
1353 [int on=1;
1354 setsockopt(0, SOL_IP, IP_RECVERR, &on, sizeof(on));], ac_cv_setsockopt_iprecverr=yes, ac_cv_setsockopt_iprecverr=no)
1355 AC_MSG_RESULT($ac_cv_setsockopt_iprecverr)])
1356 if test "$ac_cv_setsockopt_iprecverr" = "yes"; then
1357    AC_DEFINE(ADAPT_PMTU_RECVERR, 1, [define if asynchronous socket errors can be received])
1358 fi
1359
1360 PTHREAD_LIBS=error
1361 if test "x$MKAFS_OSTYPE" = OBSD; then
1362         PTHREAD_LIBS="-pthread"
1363 fi
1364 if test "x$MKAFS_OSTYPE" = xDFBSD; then
1365         PTHREAD_LIBS="-pthread"
1366 fi
1367 if test "x$PTHREAD_LIBS" = xerror; then
1368         AC_CHECK_LIB(pthread, pthread_attr_init,
1369                 PTHREAD_LIBS="-lpthread")
1370 fi
1371 if test "x$PTHREAD_LIBS" = xerror; then
1372         AC_CHECK_LIB(pthreads, pthread_attr_init,
1373                 PTHREAD_LIBS="-lpthreads")
1374 fi
1375 if test "x$PTHREAD_LIBS" = xerror; then
1376         AC_CHECK_LIB(c_r, pthread_attr_init,
1377                 PTHREAD_LIBS="-lc_r")
1378 fi
1379 if test "x$PTHREAD_LIBS" = xerror; then
1380         AC_CHECK_FUNC(pthread_attr_init, PTHREAD_LIBS="")
1381 fi
1382 if test "x$PTHREAD_LIBS" = xerror; then
1383         # pthread_attr_init is a macro under HPUX 11.0 and 11.11
1384         AC_CHECK_LIB(pthread, pthread_attr_destroy,
1385                 PTHREAD_LIBS="-lpthread")
1386 fi
1387 if test "x$PTHREAD_LIBS" = xerror; then
1388         AC_MSG_WARN(*** Unable to locate working posix thread library ***)
1389 fi
1390 AC_SUBST(PTHREAD_LIBS)
1391
1392 HOST_CPU="$host_cpu"
1393
1394 if test "x$with_bsd_kernel_headers" != "x"; then
1395         BSD_KERNEL_PATH="$with_bsd_kernel_headers"
1396 else
1397         BSD_KERNEL_PATH="/usr/src/sys"
1398 fi
1399
1400 if test "x$with_bsd_kernel_build" != "x"; then
1401         BSD_KERNEL_BUILD="$with_bsd_kernel_build"
1402 else
1403         case $AFS_SYSNAME in
1404                 *_fbsd_4?)
1405                         BSD_KERNEL_BUILD="${BSD_KERNEL_PATH}/compile/GENERIC"
1406                         ;;
1407                 *_fbsd_*)
1408                         BSD_KERNEL_BUILD="${BSD_KERNEL_PATH}/${HOST_CPU}/compile/GENERIC"
1409                         ;;
1410         esac
1411 fi
1412
1413 # Fast restart
1414 if test "$enable_supergroups" = "yes"; then
1415         AC_DEFINE(SUPERGROUPS, 1, [define if you want to have support for nested pts groups])
1416 fi
1417
1418 if test "$enable_fast_restart" = "yes"; then
1419         AC_DEFINE(FAST_RESTART, 1, [define if you want to have fast restart])
1420 fi
1421
1422 if test "$enable_bitmap_later" = "yes"; then
1423         AC_DEFINE(BITMAP_LATER, 1, [define if you want to salvager to check bitmasks later])
1424 fi
1425
1426 if test "$enable_demand_attach_fs" = "yes"; then
1427         AC_DEFINE(DEMAND_ATTACH_ENABLE, 1, [define if you want the demand attach fileserver])
1428         DEMAND_ATTACH="yes"
1429 else
1430         DEMAND_ATTACH="no"
1431 fi
1432 AC_SUBST(DEMAND_ATTACH)
1433
1434 if test "$enable_disconnected" = "yes"; then
1435         AC_DEFINE(AFS_DISCON_ENV, 1, [define if you want support for disconnected operation])
1436 fi
1437
1438 if test "$enable_unix_sockets" = "yes"; then
1439         AC_DEFINE(USE_UNIX_SOCKETS, 1, [define if you want to use UNIX sockets for fssync.])
1440         USE_UNIX_SOCKETS="yes"
1441 else
1442         USE_UNIX_SOCKETS="no"
1443 fi
1444 AC_SUBST(USE_UNIX_SOCKETS)
1445
1446 if test "$enable_fast_restart" = "yes" &&
1447    test "$enable_demand_attach_fs" = "yes" ; then
1448         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.])
1449         exit 1
1450 fi
1451
1452 if test "$enable_full_vos_listvol_switch" = "yes"; then
1453         AC_DEFINE(FULL_LISTVOL_SWITCH, 1, [define if you want to want listvol switch])
1454 fi
1455
1456 if test "$enable_icmp_pmtu_discovery" = "yes"; then
1457    if test "$ac_cv_setsockopt_iprecverr" = "yes"; then
1458         AC_DEFINE(ADAPT_PMTU, 1, [define if you want to decode icmp unreachable packets to discover path mtu])
1459    fi
1460 fi
1461
1462 if test "$enable_bos_restricted_mode" = "yes"; then
1463         AC_DEFINE(BOS_RESTRICTED_MODE, 1, [define if you want to want bos restricted mode])
1464 fi
1465
1466 if test "$enable_largefile_fileserver" = "yes"; then
1467         AC_DEFINE(AFS_LARGEFILE_ENV, 1, [define if you want large file fileserver])
1468 fi
1469
1470 if test "$enable_cache_bypass" = "yes"; then
1471         AC_DEFINE(AFS_CACHE_BYPASS, 1, [define to activate cache bypassing Unix client])
1472 fi
1473
1474 if test "$enable_namei_fileserver" = "yes"; then
1475         AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1476         VFSCK=""
1477 else
1478         if test "$enable_namei_fileserver" = "default"; then
1479                 case $host in
1480                         *-solaris2.10*)
1481                                 AC_MSG_WARN(Some Solaris 10 versions are not safe with the inode fileserver. Forcing namei. Override with --disable-namei-fileserver)
1482                                 AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1483                                 VFSCK=""
1484                                 ;;
1485                         *-solaris2.11*)
1486                                 AC_MSG_WARN(Solaris 11 versions are not safe with the inode fileserver. Forcing namei. Override with --disable-namei-fileserver)
1487                                 AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1488                                 VFSCK=""
1489                                 ;;
1490                         *)
1491                                 VFSCK="vfsck"
1492                                 ;;
1493                 esac
1494         else
1495                 VFSCK="vfsck"
1496         fi
1497 fi
1498
1499 if test "$enable_afsdb" = "yes"; then
1500         LIB_AFSDB="$LIB_res_search"
1501         AC_DEFINE(AFS_AFSDB_ENV, 1, [define if you want to want search afsdb rr])
1502 fi
1503
1504 dnl check for tivoli
1505 AC_MSG_CHECKING(for tivoli tsm butc support)
1506 XBSA_CFLAGS=""
1507 if test "$enable_tivoli_tsm" = "yes"; then
1508         XBSADIR1=/usr/tivoli/tsm/client/api/bin/xopen
1509         XBSADIR2=/opt/tivoli/tsm/client/api/bin/xopen
1510         XBSADIR3=/usr/tivoli/tsm/client/api/bin/sample
1511         XBSADIR4=/opt/tivoli/tsm/client/api/bin/sample
1512
1513         if test -r "$XBSADIR3/dsmapifp.h"; then
1514                 XBSA_CFLAGS="-Dxbsa -DNEW_XBSA -I$XBSADIR3"
1515                 XBSA_XLIBS="-ldl"
1516                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1517         elif test -r "$XBSADIR4/dsmapifp.h"; then
1518                 XBSA_CFLAGS="-Dxbsa -DNEW_XBSA -I$XBSADIR4"
1519                 XBSA_XLIBS="-ldl"
1520                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1521         elif test -r "$XBSADIR1/xbsa.h"; then
1522                 XBSA_CFLAGS="-Dxbsa -I$XBSADIR1"
1523                 XBSA_XLIBS=""
1524                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1525         elif test -r "$XBSADIR2/xbsa.h"; then
1526                 XBSA_CFLAGS="-Dxbsa -I$XBSADIR2"
1527                 XBSA_XLIBS=""
1528                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1529         else
1530                 AC_MSG_RESULT([no, missing xbsa.h and dsmapifp.h header files])
1531         fi
1532 else
1533         AC_MSG_RESULT([no])
1534 fi
1535 AC_SUBST(XBSA_CFLAGS)
1536 AC_SUBST(XBSA_XLIBS)
1537
1538 dnl checks for header files.
1539 AC_HEADER_STDC
1540 AC_HEADER_SYS_WAIT
1541 AC_HEADER_DIRENT
1542 AC_CHECK_HEADERS(stdlib.h string.h unistd.h poll.h fcntl.h sys/time.h sys/file.h grp.h)
1543 AC_CHECK_HEADERS(netinet/in.h netdb.h sys/fcntl.h sys/mnttab.h sys/mntent.h)
1544 AC_CHECK_HEADERS(mntent.h sys/vfs.h sys/param.h sys/fs_types.h sys/fstyp.h)
1545 AC_CHECK_HEADERS(sys/mount.h strings.h termios.h signal.h poll.h sys/pag.h)
1546 AC_CHECK_HEADERS(windows.h malloc.h winsock2.h direct.h io.h sys/user.h sys/ipc.h)
1547 AC_CHECK_HEADERS(security/pam_modules.h siad.h usersec.h ucontext.h regex.h values.h sys/statvfs.h sys/statfs.h sys/bitypes.h)
1548 AC_CHECK_HEADERS(linux/errqueue.h,,,[#include <linux/types.h>])
1549
1550 AC_CHECK_TYPES([fsblkcnt_t],,,[
1551 #include <sys/types.h>
1552 #ifdef HAVE_SYS_BITYPES_H
1553 #include <sys/bitypes.h>
1554 #endif
1555 #ifdef HAVE_SYS_STATFS_H
1556 #include <sys/statfs.h>
1557 #endif
1558 #ifdef HAVE_SYS_STATVFS_H
1559 #include <sys/statvfs.h>
1560 #endif
1561 ])
1562
1563 dnl Don't build PAM on IRIX; the interface doesn't work for us.
1564 if test "$ac_cv_header_security_pam_modules_h" = yes -a "$enable_pam" = yes; then
1565         case $AFS_SYSNAME in
1566         sgi_*)
1567                 HAVE_PAM="no"
1568                 ;;
1569         *)
1570                 HAVE_PAM="yes"
1571                 ;;
1572         esac
1573 else
1574         HAVE_PAM="no"
1575 fi
1576 AC_SUBST(HAVE_PAM)
1577
1578 if test "$enable_login" = yes; then
1579         BUILD_LOGIN="yes"
1580 else
1581         BUILD_LOGIN="no"
1582 fi
1583 AC_SUBST(BUILD_LOGIN)
1584
1585 AC_CHECK_FUNCS(utimes random srandom getdtablesize snprintf strlcat strlcpy re_comp re_exec flock)
1586 AC_CHECK_FUNCS(setprogname getprogname sigaction mkstemp vsnprintf strerror strcasestr)
1587 AC_CHECK_FUNCS(setvbuf vsyslog getcwd)
1588 AC_CHECK_FUNCS(regcomp regexec regerror)
1589 AC_MSG_CHECKING([for POSIX regex library])
1590 if test "$ac_cv_header_regex_h" = "yes" && \
1591         test "$ac_cv_func_regcomp" = "yes" && \
1592         test "$ac_cv_func_regexec" = "yes" && \
1593         test "$ac_cv_func_regerror" = "yes"; then
1594     AC_DEFINE(HAVE_POSIX_REGEX, 1, [define if you have POSIX regex library])
1595     AC_MSG_RESULT(yes)
1596 else
1597     AC_MSG_RESULT(no)
1598 fi
1599
1600 AC_TYPE_SOCKLEN_T
1601 AC_TYPE_SIGNAL
1602 AC_CHECK_TYPE(ssize_t, int)
1603 AC_CHECK_TYPES(sig_t, , ,
1604   [#include <sys/types.h>
1605    #include <signal.h> ])
1606 AH_BOTTOM(
1607 [#ifndef HAVE_SIG_T
1608 #ifndef SIG_T_DEFINED
1609 #define SIG_T_DEFINED
1610 typedef RETSIGTYPE (*sig_t) ();
1611 #endif
1612 #endif])
1613 AC_CHECK_TYPE([sig_atomic_t], ,
1614     [AC_DEFINE([sig_atomic_t], [int],
1615         [Define to int if <signal.h> does not define.])],
1616 [#include <sys/types.h>
1617 #include <signal.h>])
1618 AC_SIZEOF_TYPE(long)
1619
1620 AC_CHECK_FUNCS(timegm)
1621 AC_CHECK_FUNCS(daemon)
1622
1623 dnl Directory PATH handling
1624 if test "x$enable_transarc_paths" = "xyes"  ; then
1625     afsconfdir=${afsconfdir=/usr/afs/etc}
1626     viceetcdir=${viceetcdir=/usr/vice/etc}
1627     afskerneldir=${afskerneldir=${viceetcdir}}
1628     afssrvbindir=${afssrvbindir=/usr/afs/bin}
1629     afssrvsbindir=${afssrvsbindir=/usr/afs/bin}
1630     afssrvlibexecdir=${afssrvlibexecdir=/usr/afs/bin}
1631     afsdbdir=${afsdbdir=/usr/afs/db}
1632     afslogsdir=${afslogsdir=/usr/afs/logs}
1633     afslocaldir=${afslocaldir=/usr/afs/local}
1634     afsbackupdir=${afsbackupdir=/usr/afs/backup}
1635     afsbosconfigdir=${afsbosconfigdir=/usr/afs/local}
1636     afsdatadir=${afsdatadir=/usr/vice/etc}
1637 else
1638     afsconfdir=${afsconfdir='${sysconfdir}/openafs/server'}
1639     viceetcdir=${viceetcdir='${sysconfdir}/openafs'}
1640     afskerneldir=${afskerneldir='${libdir}/openafs'}
1641     afssrvbindir=${afssrvbindir='${bindir}'}
1642     afssrvsbindir=${afssrvsbindir='${sbindir}'}
1643     afssrvlibexecdir=${afssrvlibexecdir='${libexecdir}/openafs'}
1644     afsdbdir=${afsdbdir='${localstatedir}/openafs/db'}
1645     afslogsdir=${afslogsdir='${localstatedir}/openafs/logs'}
1646     afslocaldir=${afslocaldir='${localstatedir}/openafs'}
1647     afsbackupdir=${afsbackupdir='${localstatedir}/openafs/backup'}
1648     afsbosconfigdir=${afsbosconfigdir='${sysconfdir}/openafs'}
1649     afsdatadir=${afsdatadir='${datadir}/openafs'}
1650 fi
1651 AC_SUBST(afsconfdir)
1652 AC_SUBST(viceetcdir)
1653 AC_SUBST(afskerneldir)
1654 AC_SUBST(afssrvbindir)
1655 AC_SUBST(afssrvsbindir)
1656 AC_SUBST(afssrvlibexecdir)
1657 AC_SUBST(afsdbdir)
1658 AC_SUBST(afslogsdir)
1659 AC_SUBST(afslocaldir)
1660 AC_SUBST(afsbackupdir)
1661 AC_SUBST(afsbosconfigdir)
1662 AC_SUBST(afsdatadir)
1663
1664 if test "x$enable_kernel_module" = "xyes"; then
1665 ENABLE_KERNEL_MODULE=libafs
1666 fi
1667
1668 if test "x$enable_pthreaded_ubik" = "xyes"; then
1669 ENABLE_PTHREADED_UBIK=yes
1670 fi
1671
1672 AC_SUBST(VFSCK)
1673 AC_SUBST(AFS_SYSNAME)
1674 AC_SUBST(AFS_PARAM_COMMON)
1675 AC_SUBST(ENABLE_KERNEL_MODULE)
1676 AC_SUBST(ENABLE_PTHREADED_UBIK)
1677 AC_SUBST(LIB_AFSDB)
1678 AC_SUBST(LINUX_KERNEL_PATH)
1679 AC_SUBST(LINUX_KERNEL_BUILD)
1680 AC_SUBST(HOST_CPU)
1681 AC_SUBST(BSD_KERNEL_PATH)
1682 AC_SUBST(BSD_KERNEL_BUILD)
1683 AC_SUBST(LINUX_VERSION)
1684 AC_SUBST(MKAFS_OSTYPE)
1685 AC_SUBST(TOP_OBJDIR)
1686 AC_SUBST(TOP_SRCDIR)
1687 AC_SUBST(TOP_INCDIR)
1688 AC_SUBST(TOP_LIBDIR)
1689 AC_SUBST(DEST)
1690 AC_SUBST(DARWIN_INFOFILE)
1691 AC_SUBST(IRIX_BUILD_IP35)
1692 AC_SUBST(HTML_XSL)
1693 AC_SUBST(XSLTPROC)
1694
1695 OPENAFS_OSCONF
1696 OPENAFS_KRB5CONF
1697
1698 TOP_SRCDIR="${srcdir}/src"
1699 dnl
1700 dnl If we're using ./configure, need a more reasonable TOP_SRCDIR, since relative links don't work everywhere
1701 dnl
1702 case $TOP_SRCDIR in
1703         /*)
1704                 ;;
1705         *)
1706                 TOP_SRCDIR=`cd $TOP_SRCDIR; pwd`
1707                 ;;
1708 esac
1709
1710 TOP_OBJDIR="${SRCDIR_PARENT}"
1711 TOP_INCDIR="${SRCDIR_PARENT}/include"
1712 TOP_LIBDIR="${SRCDIR_PARENT}/lib"
1713 if test "${DEST}x" = "x"; then
1714         DEST="${SRCDIR_PARENT}/${AFS_SYSNAME}/dest"
1715 fi
1716
1717 HELPER_SPLINT="${TOP_SRCDIR}/helper-splint.sh"
1718 HELPER_SPLINTCFG="${TOP_SRCDIR}/splint.cfg"
1719 AC_SUBST(HELPER_SPLINT)
1720 AC_SUBST(HELPER_SPLINTCFG)
1721
1722 mkdir -p ${TOP_OBJDIR}/src/JAVA/libjafs
1723
1724 ])