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
   9 AC_CANONICAL_HOST
  10 SRCDIR_PARENT=`pwd`
  11
  12 #BOZO_SAVE_CORES pam
  13 AC_ARG_WITH(afs-sysname,
  14 [  --with-afs-sysname=sys    use sys for the afs sysname]
  15 )
  16 AC_ARG_ENABLE( afsdb,
  17 [  --disable-afsdb                      disable AFSDB DNS RR support],, enable_afsdb="yes")
  18 AC_ARG_ENABLE( pam,
  19 [  --disable-pam                        disable PAM support],, enable_pam="yes")
  20 AC_ARG_ENABLE( bos-restricted-mode,
  21 [  --enable-bos-restricted-mode         enable bosserver restricted mode which disables certain bosserver functionality],, enable_bos_restricted_mode="no")
  22 AC_ARG_ENABLE( bos-new-config,
  23 [  --enable-bos-new-config              enable bosserver pickup of BosConfig.new on restarts],, enable_bos_new_config="no")
  24 AC_ARG_ENABLE( largefile-fileserver,
  25 [  --disable-largefile-fileserver       disable large file support in fileserver],, enable_largefile_fileserver="yes")
  26 AC_ARG_ENABLE( namei-fileserver,
  27 [  --enable-namei-fileserver            force compilation of namei fileserver in preference to inode fileserver],, enable_namei_fileserver="no")
  28 AC_ARG_ENABLE( supergroups,
  29 [  --enable-supergroups                 enable support for nested pts groups],, enable_supergroups="no")
  30 AC_ARG_ENABLE( fast-restart,
  31 [  --enable-fast-restart                enable fast startup of file server without salvaging],, enable_fast_restart="no")
  32 AC_ARG_ENABLE( bitmap-later,
  33 [  --enable-bitmap-later                enable fast startup of file server by not reading bitmap till needed],, enable_bitmap_later="no")
  34 AC_ARG_ENABLE( demand-attach-fs,
  35 [  --enable-demand-attach-fs            enable Demand Attach Fileserver (please see documentation)],, enable_demand_attach_fs="no")
  36 AC_ARG_ENABLE( unix-sockets,
  37 [  --enable-unix-sockets                enable use of unix domain sockets for fssync],, enable_unix_sockets="yes")
  38 AC_ARG_ENABLE( full-vos-listvol-switch,
  39 [  --disable-full-vos-listvol-switch    disable vos full listvol switch for formatted output],, enable_full_vos_listvol_switch="yes")
  40 AC_ARG_WITH(dux-kernel-headers,
  41 [  --with-dux-kernel-headers=path       use the kernel headers found at path(optional, defaults to first match in /usr/sys)]
  42 )
  43 AC_ARG_WITH(linux-kernel-headers,
  44 [  --with-linux-kernel-headers=path     use the kernel headers found at path(optional, defaults to /usr/src/linux-2.4, then /usr/src/linux)]
  45 )
  46 AC_ARG_WITH(bsd-kernel-headers,
  47 [  --with-bsd-kernel-headers=path       use the kernel headers found at path(optional, defaults to /usr/src/sys)]
  48 )
  49 AC_ARG_WITH(bsd-kernel-build,
  50 [  --with-bsd-kernel-build=path         use the kernel build found at path(optional, defaults to KSRC/i386/compile/GENERIC)]
  51 )
  52 AC_ARG_ENABLE(kernel-module,
  53 [  --disable-kernel-module              disable compilation of the kernel module (defaults to enabled)],, enable_kernel_module="yes"
  54 )
  55 AC_ARG_ENABLE(redhat-buildsys,
  56 [  --enable-redhat-buildsys             enable compilation of the redhat build system kernel (defaults to disabled)],, enable_redhat_buildsys="no"
  57 )
  58 AC_ARG_ENABLE(transarc-paths,
  59 [  --enable-transarc-paths                      Use Transarc style paths like /usr/afs and /usr/vice],, enable_transarc_paths="no"
  60 )
  61 AC_ARG_ENABLE(tivoli-tsm,
  62 [  --enable-tivoli-tsm                  Enable use of the Tivoli TSM API libraries for butc support],, enable_tivoli_tsm="no"
  63 )
  64 AC_ARG_ENABLE(debug-kernel,
  65 [  --enable-debug-kernel                enable compilation of the kernel module with debugging information (defaults to disabled)],, enable_debug_kernel="no"
  66 )
  67 AC_ARG_ENABLE(optimize-kernel,
  68 [  --disable-optimize-kernel            disable compilation of the kernel module with optimization (defaults based on platform)],, enable_optimize_kernel="yes"
  69 )
  70 AC_ARG_ENABLE(debug,
  71 [  --enable-debug                       enable compilation of the user space code with debugging information (defaults to disabled)],, enable_debug="no"
  72 )
  73 AC_ARG_ENABLE(optimize,
  74 [  --disable-optimize                   disable optimization for compilation of the user space code (defaults to enabled)],, enable_optimize="yes"
  75 )
  76 AC_ARG_ENABLE(debug-lwp,
  77 [  --enable-debug-lwp                   enable compilation of the LWP code with debugging information (defaults to disabled)],, enable_debug_lwp="no"
  78 )
  79 AC_ARG_ENABLE(optimize-lwp,
  80 [  --disable-optimize-lwp               disable optimization for compilation of the LWP code (defaults to enabled)],, enable_optimize_lwp="yes"
  81 )
  82 AC_ARG_ENABLE(debug-pam,
  83 [  --enable-debug-pam                   enable compilation of the PAM code with debugging information (defaults to disabled)],, enable_debug_pam="no"
  84 )
  85 AC_ARG_ENABLE(optimize-pam,
  86 [  --disable-optimize-pam               disable optimization for compilation of the PAM code (defaults to enabled)],, enable_optimize_pam="yes"
  87 )
  88
  89
  90 enable_login="no"
  91
  92 dnl weird ass systems
  93 AC_AIX
  94 AC_ISC_POSIX
  95 AC_MINIX
  96
  97 dnl Various compiler setup.
  98 AC_TYPE_PID_T
  99 AC_TYPE_SIZE_T
 100 AC_TYPE_SIGNAL
 101 COMPILER_HAS_FUNCTION_MACRO
 102
 103 dnl Checks for programs.
 104 AC_PROG_INSTALL
 105 AC_PROG_LN_S
 106 AC_PROG_RANLIB
 107 AC_PROG_YACC
 108 AM_PROG_LEX
 109
 110 OPENAFS_CHECK_BIGENDIAN
 111
 112 AC_MSG_CHECKING(your OS)
 113 system=$host
 114 case $system in
 115         *-linux*)
 116
 117                 MKAFS_OSTYPE=LINUX
 118                 if test "x$enable_redhat_buildsys" = "xyes"; then
 119                  AC_DEFINE(ENABLE_REDHAT_BUILDSYS, 1, [define if you have redhat buildsystem])
 120                 fi
 121                 if test "x$enable_kernel_module" = "xyes"; then
 122                  if test "x$with_linux_kernel_headers" != "x"; then
 123                    LINUX_KERNEL_PATH="$with_linux_kernel_headers"
 124                  else
 125                    LINUX_KERNEL_PATH="/lib/modules/`uname -r`/source"
 126                    if test ! -f "$LINUX_KERNEL_PATH/include/linux/version.h"; then
 127                      LINUX_KERNEL_PATH="/lib/modules/`uname -r`/build"
 128                    fi
 129                    if test ! -f "$LINUX_KERNEL_PATH/include/linux/version.h"; then
 130                      LINUX_KERNEL_PATH="/usr/src/linux-2.4"
 131                    fi
 132                    if test ! -f "$LINUX_KERNEL_PATH/include/linux/version.h"; then
 133                      LINUX_KERNEL_PATH="/usr/src/linux"
 134                    fi
 135                  fi
 136                if test -f "$LINUX_KERNEL_PATH/include/linux/utsrelease.h"; then
 137                  linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_PATH/include/linux/utsrelease.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
 138                  LINUX_VERSION="$linux_kvers"
 139                else
 140                  if test -f "$LINUX_KERNEL_PATH/include/linux/version.h"; then
 141                   linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_PATH/include/linux/version.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
 142                   if test "x$linux_kvers" = "x"; then
 143                     if test -f "$LINUX_KERNEL_PATH/include/linux/version-up.h"; then
 144                       linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_PATH/include/linux/version-up.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
 145                       if test "x$linux_kvers" = "x"; then
 146
 147                         AC_MSG_ERROR(Linux headers lack version definition [2])
 148                         exit 1
 149                       else
 150                         LINUX_VERSION="$linux_kvers"
 151                       fi
 152                     else
 153                       AC_MSG_ERROR(Linux headers lack version definition)
 154                       exit 1
 155                     fi
 156                   else
 157                     LINUX_VERSION="$linux_kvers"
 158                   fi
 159                  else
 160                     enable_kernel_module="no"
 161                  fi
 162                fi
 163                  if test ! -f "$LINUX_KERNEL_PATH/include/linux/autoconf.h"; then
 164                      enable_kernel_module="no"
 165                  fi
 166                  if test "x$enable_kernel_module" = "xno"; then
 167                   if test "x$with_linux_kernel_headers" != "x"; then
 168                    AC_MSG_ERROR(No usable linux headers found at $LINUX_KERNEL_PATH)
 169                    exit 1
 170                   else
 171                    AC_MSG_WARN(No usable linux headers found at $LINUX_KERNEL_PATH so disabling kernel module)
 172                   fi
 173                  fi
 174                  dnl do we need to determine SUBARCH from autoconf.h
 175                  SUBARCH=default
 176                 fi
 177                 AC_MSG_RESULT(linux)
 178                 if test "x$enable_kernel_module" = "xyes"; then
 179                  AFS_SYSKVERS=`echo $LINUX_VERSION | awk -F\. '{print $[]1 $[]2}'`
 180                  if test "x${AFS_SYSKVERS}" = "x"; then
 181                   AC_MSG_ERROR(Couldn't guess your Linux version [2])
 182                  fi
 183                 fi
 184                 ;;
 185         *-solaris*)
 186                 MKAFS_OSTYPE=SOLARIS
 187                 AC_MSG_RESULT(sun4)
 188                 SOLARIS_UFSVFS_HAS_DQRWLOCK
 189                 SOLARIS_PROC_HAS_P_COREFILE
 190                 SOLARIS_FS_HAS_FS_ROLLED
 191                 ;;
 192         *-sunos*)
 193                 MKAFS_OSTYPE=SUNOS
 194                 enable_kernel_module=no
 195                 AC_MSG_RESULT(sun4)
 196                 ;;
 197         *-hpux*)
 198                 MKAFS_OSTYPE=HPUX
 199                 AC_MSG_RESULT(hp_ux)
 200                 if test -f "/usr/old/usr/include/ndir.h"; then
 201                  AC_DEFINE(HAVE_USR_OLD_USR_INCLUDE_NDIR_H, 1, [define if you have old ndir.h])
 202                 fi
 203                 ;;
 204         *-irix*)
 205                 if test -d /usr/include/sys/SN/SN1; then
 206                  IRIX_BUILD_IP35="IP35"
 207                 fi
 208                 MKAFS_OSTYPE=IRIX
 209                 AC_MSG_RESULT(sgi)
 210                 ;;
 211         *-aix*)
 212                 MKAFS_OSTYPE=AIX
 213                 AC_MSG_RESULT(rs_aix)
 214                 ;;
 215         *-osf*)
 216                 MKAFS_OSTYPE=DUX
 217                 AC_MSG_RESULT(alpha_dux)
 218                 ;;
 219         powerpc-*-darwin*)
 220                 MKAFS_OSTYPE=DARWIN
 221                 AC_MSG_RESULT(ppc_darwin)
 222                 ;;
 223         i386-*-darwin*)
 224                 MKAFS_OSTYPE=DARWIN
 225                 AC_MSG_RESULT(x86_darwin)
 226                 ;;
 227         *-freebsd*)
 228                 MKAFS_OSTYPE=FBSD
 229                 AC_MSG_RESULT(i386_fbsd)
 230                 ;;
 231         *-netbsd*)
 232                 MKAFS_OSTYPE=NBSD
 233                 AC_MSG_RESULT(nbsd)
 234                 ;;
 235         *-openbsd*)
 236                 MKAFS_OSTYPE=OBSD
 237                 AC_MSG_RESULT(i386_obsd)
 238                 ;;
 239         *)
 240                 AC_MSG_RESULT($system)
 241                 ;;
 242 esac
 243
 244 if test "x$with_afs_sysname" != "x"; then
 245         AFS_SYSNAME="$with_afs_sysname"
 246 else
 247         AC_MSG_CHECKING(your AFS sysname)
 248         case $host in
 249                 i?86-*-openbsd?.?)
 250                         v=${host#*openbsd}
 251                         vM=${v%.*}
 252                         vm=${v#*.}
 253                         AFS_SYSNAME="i386_obsd${vM}${vm}"
 254                         ;;
 255                 sparc64-*-openbsd?.?)
 256                         v=${host#*openbsd}
 257                         vM=${v%.*}
 258                         vm=${v#*.}
 259                         AFS_SYSNAME="sparc64_obsd${vM}${vm}"
 260                         ;;
 261                 i?86-*-freebsd?.*)
 262                         v=${host#*freebsd}
 263                         vM=${v%.*}
 264                         vm=${v#*.}
 265                         AFS_SYSNAME="i386_fbsd_${vM}${vm}"
 266                         ;;
 267                 i?86-*-netbsd*1.5*)
 268                         AFS_SYSNAME="i386_nbsd15"
 269                         ;;
 270                 alpha-*-netbsd*1.5*)
 271                         AFS_SYSNAME="alpha_nbsd15"
 272                         ;;
 273                 i?86-*-netbsd*1.6[[M-Z]]*)
 274                         AFS_SYSNAME="i386_nbsd20"
 275                         ;;
 276                 powerpc-*-netbsd*1.6[[M-Z]]*)
 277                         AFS_SYSNAME="ppc_nbsd20"
 278                         ;;
 279                 i?86-*-netbsd*2.0*)
 280                         AFS_SYSNAME="i386_nbsd20"
 281                         ;;
 282                 amd64-*-netbsd*2.0*)
 283                         AFS_SYSNAME="amd64_nbsd20"
 284                         ;;
 285                 powerpc-*-netbsd*2.0*)
 286                         AFS_SYSNAME="ppc_nbsd20"
 287                         ;;
 288                 i?86-*-netbsd*1.6*)
 289                         AFS_SYSNAME="i386_nbsd16"
 290                         ;;
 291                 alpha-*-netbsd*1.6*)
 292                         AFS_SYSNAME="alpha_nbsd16"
 293                         ;;
 294                 powerpc-*-netbsd*1.6*)
 295                         AFS_SYSNAME="ppc_nbsd16"
 296                         ;;
 297                 i?86-*-netbsd*2.1*)
 298                         AFS_SYSNAME="i386_nbsd21"
 299                         ;;
 300                 i?86-*-netbsd*2.99*)
 301                         AFS_SYSNAME="i386_nbsd30"
 302                         ;;
 303                 i?86-*-netbsd*3.[[0-8]]*)
 304                         AFS_SYSNAME="i386_nbsd30"
 305                         ;;
 306                 i?86-*-netbsd*3.99*)
 307                         AFS_SYSNAME="i386_nbsd30"
 308                         ;;
 309                 i?86-*-netbsd*4.[[0-8]]*)
 310                         AFS_SYSNAME="i386_nbsd40"
 311                         ;;
 312                 i?86-*-netbsd*4.99*)
 313                         AFS_SYSNAME="i386_nbsd40"
 314                         ;;
 315                 hppa*-hp-hpux11.0*)
 316                         AFS_SYSNAME="hp_ux110"
 317                         ;;
 318                 hppa*-hp-hpux11.11)
 319                         AFS_SYSNAME="hp_ux11i"
 320                         ;;
 321                 ia64-hp-hpux11.22)
 322                         AFS_SYSNAME="ia64_hpux1122"
 323                         ;;
 324                 ia64-hp-hpux*)
 325                         AFS_SYSNAME="ia64_hpux1123"
 326                         ;;
 327                 hppa*-hp-hpux10*)
 328                         AFS_SYSNAME="hp_ux102"
 329                         ;;
 330                 powerpc-apple-darwin1.2*)
 331                         AFS_SYSNAME="ppc_darwin_12"
 332                         ;;
 333                 powerpc-apple-darwin1.3*)
 334                         AFS_SYSNAME="ppc_darwin_13"
 335                         ;;
 336                 powerpc-apple-darwin1.4*)
 337                         AFS_SYSNAME="ppc_darwin_14"
 338                         ;;
 339                 powerpc-apple-darwin5.1*)
 340                         AFS_SYSNAME="ppc_darwin_14"
 341                         ;;
 342                 powerpc-apple-darwin5.2*)
 343                         AFS_SYSNAME="ppc_darwin_14"
 344                         ;;
 345                 powerpc-apple-darwin5.3*)
 346                         AFS_SYSNAME="ppc_darwin_14"
 347                         ;;
 348                 powerpc-apple-darwin5.4*)
 349                         AFS_SYSNAME="ppc_darwin_14"
 350                         ;;
 351                 powerpc-apple-darwin5.5*)
 352                         AFS_SYSNAME="ppc_darwin_14"
 353                         ;;
 354                 powerpc-apple-darwin6.0*)
 355                         AFS_SYSNAME="ppc_darwin_60"
 356                         ;;
 357                 powerpc-apple-darwin6.1*)
 358                         AFS_SYSNAME="ppc_darwin_60"
 359                         ;;
 360                 powerpc-apple-darwin6.2*)
 361                         AFS_SYSNAME="ppc_darwin_60"
 362                         ;;
 363                 powerpc-apple-darwin6.3*)
 364                         AFS_SYSNAME="ppc_darwin_60"
 365                         ;;
 366                 powerpc-apple-darwin6.4*)
 367                         AFS_SYSNAME="ppc_darwin_60"
 368                         ;;
 369                 powerpc-apple-darwin6.5*)
 370                         AFS_SYSNAME="ppc_darwin_60"
 371                         ;;
 372                 powerpc-apple-darwin7.0*)
 373                         AFS_SYSNAME="ppc_darwin_70"
 374                         ;;
 375                 powerpc-apple-darwin7.1*)
 376                         AFS_SYSNAME="ppc_darwin_70"
 377                         ;;
 378                 powerpc-apple-darwin7.2*)
 379                         AFS_SYSNAME="ppc_darwin_70"
 380                         ;;
 381                 powerpc-apple-darwin7.3*)
 382                         AFS_SYSNAME="ppc_darwin_70"
 383                         ;;
 384                 powerpc-apple-darwin7.4*)
 385                         AFS_SYSNAME="ppc_darwin_70"
 386                         ;;
 387                 powerpc-apple-darwin7.5*)
 388                         AFS_SYSNAME="ppc_darwin_70"
 389                         ;;
 390                 powerpc-apple-darwin8.0*)
 391                         AFS_SYSNAME="ppc_darwin_80"
 392                         ;;
 393                 powerpc-apple-darwin8.*)
 394                         AFS_SYSNAME="ppc_darwin_80"
 395                         ;;
 396                 i386-apple-darwin8.*)
 397                         AFS_SYSNAME="x86_darwin_80"
 398                         ;;
 399                 powerpc-apple-darwin9.*)
 400                         AFS_SYSNAME="ppc_darwin_90"
 401                         ;;
 402                 i386-apple-darwin9.*)
 403                         AFS_SYSNAME="x86_darwin_90"
 404                         ;;
 405                 sparc-sun-solaris2.5*)
 406                         AFS_SYSNAME="sun4x_55"
 407                         enable_login="yes"
 408                         ;;
 409                 sparc-sun-solaris2.6)
 410                         AFS_SYSNAME="sun4x_56"
 411                         ;;
 412                 sparc-sun-solaris2.7)
 413                         AFS_SYSNAME="sun4x_57"
 414                         ;;
 415                 sparc-sun-solaris2.8)
 416                         AFS_SYSNAME="sun4x_58"
 417                         ;;
 418                 sparc-sun-solaris2.9)
 419                         AFS_SYSNAME="sun4x_59"
 420                         ;;
 421                 sparc-sun-solaris2.10)
 422                         AFS_SYSNAME="sun4x_510"
 423                         ;;
 424                 sparc-sun-solaris2.11)
 425                         AFS_SYSNAME="sun4x_511"
 426                         ;;
 427                 sparc-sun-sunos4*)
 428                         AFS_SYSNAME="sun4_413"
 429                         enable_login="yes"
 430                         ;;
 431                 i386-pc-solaris2.7)
 432                         AFS_SYSNAME="sunx86_57"
 433                         ;;
 434                 i386-pc-solaris2.8)
 435                         AFS_SYSNAME="sunx86_58"
 436                         ;;
 437                 i386-pc-solaris2.9)
 438                         AFS_SYSNAME="sunx86_59"
 439                         ;;
 440                 i386-pc-solaris2.10)
 441                         AFS_SYSNAME="sunx86_510"
 442                         ;;
 443                 i386-pc-solaris2.11)
 444                         AFS_SYSNAME="sunx86_511"
 445                         ;;
 446                 alpha*-dec-osf4.0*)
 447                         AFS_SYSNAME="alpha_dux40"
 448                         ;;
 449                 alpha*-dec-osf5.0*)
 450                         AFS_SYSNAME="alpha_dux50"
 451                         ;;
 452                 alpha*-dec-osf5.1*)
 453                         AFS_SYSNAME="alpha_dux51"
 454                         ;;
 455                 mips-sgi-irix6.5)
 456                         AFS_SYSNAME="sgi_65"
 457                         ;;
 458                 ia64-*-linux*)
 459                         AFS_SYSNAME="ia64_linuxXX"
 460                         ;;
 461                 powerpc-*-linux*)
 462                         AFS_SYSNAME="`/bin/arch`_linuxXX"
 463                         ;;
 464                 powerpc64-*-linux*)
 465                         AFS_SYSNAME="ppc64_linuxXX"
 466                         ;;
 467                 alpha*-linux*)
 468                         AFS_SYSNAME="alpha_linux_XX"
 469                         ;;
 470                 s390-*-linux*)
 471                         AFS_SYSNAME="s390_linuxXX"
 472                         ;;
 473                 s390x-*-linux*)
 474                         AFS_SYSNAME="s390x_linuxXX"
 475                         ;;
 476                 sparc-*-linux*)
 477                         AFS_SYSNAME="`/bin/arch`_linuxXX"
 478                         ;;
 479                 sparc64-*-linux*)
 480                         AFS_SYSNAME="sparc64_linuxXX"
 481                         ;;
 482                 i?86-*-linux*)
 483                         AFS_SYSNAME="i386_linuxXX"
 484                         ;;
 485                 parisc-*-linux-gnu|hppa-*-linux-gnu)
 486                         AFS_SYSNAME="parisc_linuxXX"
 487                         enable_pam="no"
 488                         ;;
 489                 power*-ibm-aix4.2*)
 490                         AFS_SYSNAME="rs_aix42"
 491                         enable_pam="no"
 492                         ;;
 493                 power*-ibm-aix4.3*)
 494                         AFS_SYSNAME="rs_aix42"
 495                         enable_pam="no"
 496                         ;;
 497                 power*-ibm-aix5.1*)
 498                         AFS_SYSNAME="rs_aix51"
 499                         enable_pam="no"
 500                         ;;
 501                 power*-ibm-aix5.2*)
 502                         AFS_SYSNAME="rs_aix52"
 503                         enable_pam="no"
 504                         ;;
 505                 power*-ibm-aix5.3*)
 506                         AFS_SYSNAME="rs_aix53"
 507                         enable_pam="no"
 508                         ;;
 509                 x86_64-*-linux-gnu)
 510                         AFS_SYSNAME="amd64_linuxXX"
 511                         enable_pam="no"
 512                         ;;
 513                 *)
 514                         AC_MSG_ERROR(An AFS sysname is required)
 515                         exit 1
 516                         ;;
 517         esac
 518         case $AFS_SYSNAME in
 519                 *_linux* | *_umlinux*)
 520                         if test "x${AFS_SYSKVERS}" = "x"; then
 521                          AC_MSG_ERROR(Couldn't guess your Linux version. Please use the --with-afs-sysname option to configure an AFS sysname.)
 522                         fi
 523                         _AFS_SYSNAME=`echo $AFS_SYSNAME|sed s/XX\$/$AFS_SYSKVERS/`
 524                         AFS_SYSNAME="$_AFS_SYSNAME"
 525                         save_CPPFLAGS="$CPPFLAGS"
 526                         CPPFLAGS="-I${LINUX_KERNEL_PATH}/include $CPPFLAGS"
 527                         AC_TRY_COMPILE(
 528                          [#include <linux/autoconf.h>],
 529                          [#ifndef CONFIG_USERMODE
 530                           #error not UML
 531                           #endif],
 532                          ac_cv_linux_is_uml=yes,)
 533                         if test "${ac_cv_linux_is_uml}" = yes; then
 534                          _AFS_SYSNAME=`echo $AFS_SYSNAME|sed s/linux/umlinux/`
 535                         fi
 536                         CPPFLAGS="$save_CPPFLAGS"
 537                         AFS_SYSNAME="$_AFS_SYSNAME"
 538                         ;;
 539         esac
 540         AC_MSG_RESULT($AFS_SYSNAME)
 541 fi
 542
 543 dnl Some hosts have a separate common param file they should include.  Figure
 544 dnl out if we're on one of them now that we know the sysname.
 545 case $AFS_SYSNAME in
 546     *_nbsd15)   AFS_PARAM_COMMON=param.nbsd15.h  ;;
 547     *_nbsd16)   AFS_PARAM_COMMON=param.nbsd16.h  ;;
 548     *_nbsd20)   AFS_PARAM_COMMON=param.nbsd20.h  ;;
 549     *_nbsd21)   AFS_PARAM_COMMON=param.nbsd21.h  ;;
 550     *_nbsd30)   AFS_PARAM_COMMON=param.nbsd30.h  ;;
 551     *_nbsd40)   AFS_PARAM_COMMON=param.nbsd40.h  ;;
 552     *_linux22)  AFS_PARAM_COMMON=param.linux22.h ;;
 553     *_linux24)  AFS_PARAM_COMMON=param.linux24.h ;;
 554     *_linux26)  AFS_PARAM_COMMON=param.linux26.h ;;
 555 esac
 556
 557 case $AFS_SYSNAME in *_linux* | *_umlinux*)
 558
 559                 # Add (sub-) architecture-specific paths needed by conftests
 560                 case $AFS_SYSNAME  in
 561                         *_umlinux26)
 562                                 UMLINUX26_FLAGS="-I$LINUX_KERNEL_PATH/arch/um/include"
 563                                 UMLINUX26_FLAGS="$UMLINUX26_FLAGS -I$LINUX_KERNEL_PATH/arch/um/kernel/tt/include"
 564                                 UMLINUX26_FLAGS="$UMLINUX26_FLAGS -I$LINUX_KERNEL_PATH/arch/um/kernel/skas/include"
 565                                 CPPFLAGS="$CPPFLAGS $UMLINUX26_FLAGS"
 566                 esac
 567
 568                 if test "x$enable_kernel_module" = "xyes"; then
 569                  if test "x$enable_debug_kernel" = "xno"; then
 570                         LINUX_GCC_KOPTS="$LINUX_GCC_KOPTS -fomit-frame-pointer"
 571                  fi
 572                  OPENAFS_GCC_SUPPORTS_MARCH
 573                  AC_SUBST(P5PLUS_KOPTS)
 574                  OPENAFS_GCC_NEEDS_NO_STRENGTH_REDUCE
 575                  OPENAFS_GCC_NEEDS_NO_STRICT_ALIASING
 576                  OPENAFS_GCC_SUPPORTS_NO_COMMON
 577                  OPENAFS_GCC_SUPPORTS_PIPE
 578                  AC_SUBST(LINUX_GCC_KOPTS)
 579                  ifdef([OPENAFS_CONFIGURE_LIBAFS],
 580                    [LINUX_BUILD_VNODE_FROM_INODE(src/config,src/afs)],
 581                    [LINUX_BUILD_VNODE_FROM_INODE(${srcdir}/src/config,src/afs/LINUX,${srcdir}/src/afs/LINUX)]
 582                  )
 583
 584                  LINUX_KERNEL_COMPILE_WORKS
 585                  LINUX_HAVE_KMEM_CACHE_T
 586                  LINUX_KMEM_CACHE_CREATE_TAKES_DTOR
 587                  LINUX_CONFIG_H_EXISTS
 588                  LINUX_COMPLETION_H_EXISTS
 589                  LINUX_DEFINES_FOR_EACH_PROCESS
 590                  LINUX_DEFINES_PREV_TASK
 591                  LINUX_FS_STRUCT_SUPER_HAS_ALLOC_INODE
 592                  LINUX_FS_STRUCT_ADDRESS_SPACE_HAS_PAGE_LOCK
 593                  LINUX_FS_STRUCT_ADDRESS_SPACE_HAS_GFP_MASK
 594                  LINUX_FS_STRUCT_INODE_HAS_I_ALLOC_SEM
 595                  LINUX_FS_STRUCT_INODE_HAS_I_BLKBITS
 596                  LINUX_FS_STRUCT_INODE_HAS_I_BLKSIZE
 597                  LINUX_FS_STRUCT_INODE_HAS_I_TRUNCATE_SEM
 598                  LINUX_FS_STRUCT_INODE_HAS_I_DIRTY_DATA_BUFFERS
 599                  LINUX_FS_STRUCT_INODE_HAS_I_DEVICES
 600                  LINUX_FS_STRUCT_INODE_HAS_I_MMAP_SHARED
 601                  LINUX_FS_STRUCT_INODE_HAS_I_MUTEX
 602                  LINUX_FS_STRUCT_INODE_HAS_I_SB_LIST
 603                  LINUX_FS_STRUCT_INODE_HAS_I_SECURITY
 604                  LINUX_FS_STRUCT_INODE_HAS_INOTIFY_LOCK
 605                  LINUX_FS_STRUCT_INODE_HAS_INOTIFY_SEM
 606                  LINUX_INODE_SETATTR_RETURN_TYPE
 607                  LINUX_WRITE_INODE_RETURN_TYPE
 608                  LINUX_IOP_I_CREATE_TAKES_NAMEIDATA
 609                  LINUX_IOP_I_LOOKUP_TAKES_NAMEIDATA
 610                  LINUX_IOP_I_PERMISSION_TAKES_NAMEIDATA
 611                  LINUX_IOP_I_PUT_LINK_TAKES_COOKIE
 612                  LINUX_DOP_D_REVALIDATE_TAKES_NAMEIDATA
 613                  LINUX_FOP_F_FLUSH_TAKES_FL_OWNER_T
 614                  LINUX_AOP_WRITEBACK_CONTROL
 615                  LINUX_FS_STRUCT_FOP_HAS_FLOCK
 616                  LINUX_FS_STRUCT_FOP_HAS_SENDFILE
 617                  LINUX_KERNEL_LINUX_SYSCALL_H
 618                  LINUX_KERNEL_LINUX_SEQ_FILE_H
 619                  LINUX_KERNEL_POSIX_LOCK_FILE_WAIT_ARG
 620                  LINUX_KERNEL_SELINUX
 621                  LINUX_KERNEL_SOCK_CREATE
 622                  LINUX_KERNEL_PAGE_FOLLOW_LINK
 623                  LINUX_NEED_RHCONFIG
 624                  LINUX_RECALC_SIGPENDING_ARG_TYPE
 625                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_PARENT
 626                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_REAL_PARENT
 627                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_SIG
 628                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_SIGHAND
 629                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_SIGMASK_LOCK
 630                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_RLIM
 631                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_SIGNAL_RLIM
 632                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_EXIT_STATE
 633                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_TGID
 634                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_TODO
 635                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_THREAD_INFO
 636                  LINUX_EXPORTS_TASKLIST_LOCK
 637                  LINUX_GET_SB_HAS_STRUCT_VFSMOUNT
 638                  LINUX_STATFS_TAKES_DENTRY
 639                  LINUX_FREEZER_H_EXISTS
 640                  if test "x$ac_cv_linux_freezer_h_exists" = "xyes" ; then
 641                   AC_DEFINE(FREEZER_H_EXISTS, 1, [define if you have linux/freezer.h])
 642                  fi
 643                  LINUX_REFRIGERATOR
 644                  LINUX_LINUX_KEYRING_SUPPORT
 645                  LINUX_KEY_ALLOC_NEEDS_STRUCT_TASK
 646                  LINUX_DO_SYNC_READ
 647                  LINUX_GENERIC_FILE_AIO_READ
 648                  LINUX_INIT_WORK_HAS_DATA
 649                  LINUX_REGISTER_SYSCTL_TABLE_NOFLAG
 650                  LINUX_EXPORTS_SYS_CHDIR
 651                  LINUX_EXPORTS_SYS_CLOSE
 652                  LINUX_EXPORTS_SYS_OPEN
 653                  LINUX_EXPORTS_SYS_WAIT4
 654                  LINUX_WHICH_MODULES
 655                  if test "x$ac_cv_linux_config_modversions" = "xno" -o $AFS_SYSKVERS -ge 26; then
 656                    AC_MSG_WARN([Cannot determine sys_call_table status. assuming it isn't exported])
 657                    ac_cv_linux_exports_sys_call_table=no
 658                    if test -f "$LINUX_KERNEL_PATH/include/asm/ia32_unistd.h"; then
 659                      ac_cv_linux_exports_ia32_sys_call_table=yes
 660                    fi
 661                  else
 662                    LINUX_EXPORTS_INIT_MM
 663                    LINUX_EXPORTS_KALLSYMS_ADDRESS
 664                    LINUX_EXPORTS_KALLSYMS_SYMBOL
 665                    LINUX_EXPORTS_SYS_CALL_TABLE
 666                    LINUX_EXPORTS_IA32_SYS_CALL_TABLE
 667                    if test "x$ac_cv_linux_exports_sys_call_table" = "xno"; then
 668                          linux_syscall_method=none
 669                          if test "x$ac_cv_linux_exports_init_mm" = "xyes"; then
 670                             linux_syscall_method=scan
 671                             if test "x$ac_cv_linux_exports_kallsyms_address" = "xyes"; then
 672                                linux_syscall_method=scan_with_kallsyms_address
 673                             fi
 674                          fi
 675                          if test "x$ac_cv_linux_exports_kallsyms_symbol" = "xyes"; then
 676                             linux_syscall_method=kallsyms_symbol
 677                          fi
 678                          if test "x$linux_syscall_method" = "xnone"; then
 679                             AC_MSG_WARN([no available sys_call_table access method -- guessing scan])
 680                             linux_syscall_method=scan
 681                          fi
 682                    fi
 683                  fi
 684                  if test -f "$LINUX_KERNEL_PATH/include/linux/in_systm.h"; then
 685                   AC_DEFINE(HAVE_IN_SYSTM_H, 1, [define if you have in_systm.h header file])
 686                  fi
 687                  if test -f "$LINUX_KERNEL_PATH/include/linux/mm_inline.h"; then
 688                   AC_DEFINE(HAVE_MM_INLINE_H, 1, [define if you have mm_inline.h header file])
 689                  fi
 690                  if test -f "$LINUX_KERNEL_PATH/include/linux/in_systm.h"; then
 691                   AC_DEFINE(HAVE_IN_SYSTM_H, 1, [define if you have in_systm.h header file])
 692                  fi
 693                  if test "x$ac_cv_linux_exports_sys_chdir" = "xyes" ; then
 694                   AC_DEFINE(EXPORTED_SYS_CHDIR, 1, [define if your linux kernel exports sys_chdir])
 695                  fi
 696                  if test "x$ac_cv_linux_exports_sys_open" = "xyes" ; then
 697                   AC_DEFINE(EXPORTED_SYS_OPEN, 1, [define if your linux kernel exports sys_open])
 698                  fi
 699                  if test "x$ac_cv_linux_exports_sys_close" = "xyes" ; then
 700                   AC_DEFINE(EXPORTED_SYS_CLOSE, 1, [define if your linux kernel exports sys_close])
 701                  fi
 702                  if test "x$ac_cv_linux_exports_sys_wait4" = "xyes" ; then
 703                   AC_DEFINE(EXPORTED_SYS_WAIT4, 1, [define if your linux kernel exports sys_wait4])
 704                  fi
 705                  if test "x$ac_cv_linux_exports_sys_call_table" = "xyes"; then
 706                   AC_DEFINE(EXPORTED_SYS_CALL_TABLE)
 707                  fi
 708                  if test "x$ac_cv_linux_exports_ia32_sys_call_table" = "xyes"; then
 709                   AC_DEFINE(EXPORTED_IA32_SYS_CALL_TABLE)
 710                  fi
 711                  if test "x$ac_cv_linux_exports_kallsyms_symbol" = "xyes"; then
 712                   AC_DEFINE(EXPORTED_KALLSYMS_SYMBOL)
 713                  fi
 714                  if test "x$ac_cv_linux_exports_kallsyms_address" = "xyes"; then
 715                   AC_DEFINE(EXPORTED_KALLSYMS_ADDRESS)
 716                  fi
 717                  if test "x$ac_cv_linux_completion_h_exists" = "xyes" ; then
 718                   AC_DEFINE(COMPLETION_H_EXISTS, 1, [define if completion_h exists])
 719                  fi
 720                  if test "x$ac_cv_linux_config_h_exists" = "xyes" ; then
 721                   AC_DEFINE(CONFIG_H_EXISTS, 1, [define if config.h exists])
 722                  fi
 723                  if test "x$ac_cv_linux_defines_for_each_process" = "xyes" ; then
 724                   AC_DEFINE(DEFINED_FOR_EACH_PROCESS, 1, [define if for_each_process defined])
 725                  fi
 726                  if test "x$ac_cv_linux_defines_prev_task" = "xyes" ; then
 727                   AC_DEFINE(DEFINED_PREV_TASK, 1, [define if prev_task defined])
 728                  fi
 729                  if test "x$ac_cv_linux_func_inode_setattr_returns_int" = "xyes" ; then
 730                   AC_DEFINE(INODE_SETATTR_NOT_VOID, 1, [define if your setattr return return non-void])
 731                  fi
 732                  if test "x$ac_cv_linux_func_write_inode_returns_int" = "xyes" ; then
 733                   AC_DEFINE(WRITE_INODE_NOT_VOID, 1, [define if your sops.write_inode returns non-void])
 734                  fi
 735                  if test "x$ac_cv_linux_fs_struct_super_has_alloc_inode" = "xyes" ; then
 736                   AC_DEFINE(STRUCT_SUPER_HAS_ALLOC_INODE, 1, [define if your struct super_operations has alloc_inode])
 737                  fi
 738                  if test "x$ac_cv_linux_fs_struct_address_space_has_page_lock" = "xyes"; then
 739                   AC_DEFINE(STRUCT_ADDRESS_SPACE_HAS_PAGE_LOCK, 1, [define if your struct address_space has page_lock])
 740                  fi
 741                  if test "x$ac_cv_linux_fs_struct_address_space_has_gfp_mask" = "xyes"; then
 742                   AC_DEFINE(STRUCT_ADDRESS_SPACE_HAS_GFP_MASK, 1, [define if your struct address_space has gfp_mask])
 743                  fi
 744                  if test "x$ac_cv_linux_fs_struct_inode_has_i_truncate_sem" = "xyes"; then
 745                   AC_DEFINE(STRUCT_INODE_HAS_I_TRUNCATE_SEM, 1, [define if your struct inode has truncate_sem])
 746                  fi
 747                  if test "x$ac_cv_linux_fs_struct_inode_has_i_alloc_sem" = "xyes"; then
 748                   AC_DEFINE(STRUCT_INODE_HAS_I_ALLOC_SEM, 1, [define if your struct inode has alloc_sem])
 749                  fi
 750                  if test "x$ac_cv_linux_fs_struct_inode_has_i_blksize" = "xyes"; then
 751                   AC_DEFINE(STRUCT_INODE_HAS_I_BLKSIZE, 1, [define if your struct inode has i_blksize])
 752                  fi
 753                  if test "x$ac_cv_linux_fs_struct_inode_has_i_devices" = "xyes"; then
 754                   AC_DEFINE(STRUCT_INODE_HAS_I_DEVICES, 1, [define if you struct inode has i_devices])
 755                  fi
 756                  if test "x$ac_cv_linux_fs_struct_inode_has_i_security" = "xyes"; then
 757                   AC_DEFINE(STRUCT_INODE_HAS_I_SECURITY, 1, [define if you struct inode has i_security])
 758                  fi
 759                  if test "x$ac_cv_linux_fs_struct_inode_has_i_mutex" = "xyes"; then
 760                   AC_DEFINE(STRUCT_INODE_HAS_I_MUTEX, 1, [define if you struct inode has i_mutex])
 761                  fi
 762                  if test "x$ac_cv_linux_fs_struct_inode_has_i_sb_list" = "xyes"; then
 763                   AC_DEFINE(STRUCT_INODE_HAS_I_SB_LIST, 1, [define if you struct inode has i_sb_list])
 764                  fi
 765                  if test "x$ac_cv_linux_fs_struct_inode_has_i_dirty_data_buffers" = "xyes"; then
 766                   AC_DEFINE(STRUCT_INODE_HAS_I_DIRTY_DATA_BUFFERS, 1, [define if your struct inode has data_buffers])
 767                  fi
 768                  if test "x$ac_cv_linux_fs_struct_inode_has_inotify_lock" = "xyes"; then
 769                   AC_DEFINE(STRUCT_INODE_HAS_INOTIFY_LOCK, 1, [define if your struct inode has inotify_lock])
 770                  fi
 771                  if test "x$ac_cv_linux_fs_struct_inode_has_inotify_sem" = "xyes"; then
 772                   AC_DEFINE(STRUCT_INODE_HAS_INOTIFY_SEM, 1, [define if your struct inode has inotify_sem])
 773                  fi
 774                  if test "x$ac_cv_linux_func_recalc_sigpending_takes_void" = "xyes"; then
 775                   AC_DEFINE(RECALC_SIGPENDING_TAKES_VOID, 1, [define if your recalc_sigpending takes void])
 776                  fi
 777                  if test "x$ac_cv_linux_kernel_posix_lock_file_wait_arg" = "xyes" ; then
 778                   AC_DEFINE(POSIX_LOCK_FILE_WAIT_ARG, 1, [define if your linux kernel uses 3 arguments for posix_lock_file])
 779                  fi
 780                  if test "x$ac_cv_linux_kernel_is_selinux" = "xyes" ; then
 781                   AC_DEFINE(LINUX_KERNEL_IS_SELINUX, 1, [define if your linux kernel uses SELinux features])
 782                  fi
 783                  if test "x$ac_cv_linux_kernel_sock_create_v" = "xyes" ; then
 784                   AC_DEFINE(LINUX_KERNEL_SOCK_CREATE_V, 1, [define if your linux kernel uses 5 arguments for sock_create])
 785                  fi
 786                  if test "x$ac_cv_linux_kernel_page_follow_link" = "xyes" ; then
 787                   AC_DEFINE(HAVE_KERNEL_PAGE_FOLLOW_LINK, 1, [define if your linux kernel provides page_follow_link])
 788                  fi
 789                  if test "x$ac_linux_syscall" = "xyes" ; then
 790                   AC_DEFINE(HAVE_KERNEL_LINUX_SYSCALL_H, 1, [define if your linux kernel has linux/syscall.h])
 791                  fi
 792                  if test "x$ac_linux_seq_file" = "xyes" ; then
 793                   AC_DEFINE(HAVE_KERNEL_LINUX_SEQ_FILE_H, 1, [define if your linux kernel has linux/seq_file.h])
 794                  fi
 795                  if test "x$ac_cv_linux_sched_struct_task_struct_has_parent" = "xyes"; then
 796                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_PARENT, 1, [define if your struct task_struct has parent])
 797                  fi
 798                  if test "x$ac_cv_linux_sched_struct_task_struct_has_real_parent" = "xyes"; then
 799                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_REAL_PARENT, 1, [define if your struct task_struct has real_parent])
 800                  fi
 801                  if test "x$ac_cv_linux_sched_struct_task_struct_has_sigmask_lock" = "xyes"; then
 802                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_SIGMASK_LOCK, 1, [define if your struct task_struct has sigmask_lock])
 803                  fi
 804                  if test "x$ac_cv_linux_sched_struct_task_struct_has_sighand" = "xyes"; then
 805                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_SIGHAND, 1, [define if your struct task_struct has sighand])
 806                  fi
 807                  if test "x$ac_cv_linux_sched_struct_task_struct_has_sig" = "xyes"; then
 808                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_SIG, 1, [define if your struct task_struct has sig])
 809                  fi
 810                  if test "x$ac_cv_linux_sched_struct_task_struct_has_rlim" = "xyes"; then
 811                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_RLIM, 1, [define if your struct task_struct has rlim])
 812                  fi
 813                  if test "x$ac_cv_linux_sched_struct_task_struct_has_signal_rlim" = "xyes"; then
 814                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_SIGNAL_RLIM, 1, [define if your struct task_struct has signal->rlim])
 815                  fi
 816                  if test "x$ac_cv_linux_sched_struct_task_struct_has_exit_state" = "xyes"; then
 817                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_EXIT_STATE, 1, [define if your struct task_struct has exit_state])
 818                  fi
 819                  if test "x$ac_cv_linux_sched_struct_task_struct_has_tgid" = "xyes"; then
 820                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_TGID, 1, [define if your struct task_struct has tgid])
 821                  fi
 822                  if test "x$ac_cv_linux_sched_struct_task_struct_has_todo" = "xyes"; then
 823                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_TODO, 1, [define if your struct task_struct has todo])
 824                  fi
 825                  if test "x$ac_cv_linux_sched_struct_task_struct_has_thread_info" = "xyes"; then
 826                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_THREAD_INFO, 1, [define if your struct task_struct has thread_info])
 827                  fi
 828                  if test "x$ac_cv_linux_get_sb_has_struct_vfsmount" = "xyes"; then
 829                   AC_DEFINE(GET_SB_HAS_STRUCT_VFSMOUNT, 1, [define if your get_sb_nodev needs a struct vfsmount argument])
 830                  fi
 831                  if test "x$ac_cv_linux_statfs_takes_dentry" = "xyes"; then
 832                   AC_DEFINE(STATFS_TAKES_DENTRY, 1, [define if your statfs takes a dentry argument])
 833                  fi
 834                  if test "x$ac_cv_linux_func_a_writepage_takes_writeback_control" = "xyes" ; then
 835                   AC_DEFINE(AOP_WRITEPAGE_TAKES_WRITEBACK_CONTROL, 1, [define if your aops.writepage takes a struct writeback_control argument])
 836                  fi
 837                  if test "x$ac_cv_linux_func_refrigerator_takes_pf_freeze" = "xyes" ; then
 838                   AC_DEFINE(LINUX_REFRIGERATOR_TAKES_PF_FREEZE, 1, [define if your refrigerator takes PF_FREEZE])
 839                  fi
 840                  if test "x$ac_cv_linux_func_i_create_takes_nameidata" = "xyes" ; then
 841                   AC_DEFINE(IOP_CREATE_TAKES_NAMEIDATA, 1, [define if your iops.create takes a nameidata argument])
 842                  fi
 843                  if test "x$ac_cv_linux_func_f_flush_takes_fl_owner_t" = "xyes" ; then
 844                   AC_DEFINE(FOP_FLUSH_TAKES_FL_OWNER_T, 1, [define if your fops.flush takes an fl_owner_t argument])
 845                  fi
 846                  if test "x$ac_cv_linux_func_i_lookup_takes_nameidata" = "xyes" ; then
 847                   AC_DEFINE(IOP_LOOKUP_TAKES_NAMEIDATA, 1, [define if your iops.lookup takes a nameidata argument])
 848                  fi
 849                  if test "x$ac_cv_linux_func_i_permission_takes_nameidata" = "xyes" ; then
 850                   AC_DEFINE(IOP_PERMISSION_TAKES_NAMEIDATA, 1, [define if your iops.permission takes a nameidata argument])
 851                  fi
 852                  if test "x$ac_cv_linux_func_d_revalidate_takes_nameidata" = "xyes" ; then
 853                   AC_DEFINE(DOP_REVALIDATE_TAKES_NAMEIDATA, 1, [define if your dops.d_revalidate takes a nameidata argument])
 854                  fi
 855                  if test "x$ac_cv_linux_init_work_has_data" = "xyes" ; then
 856                   AC_DEFINE(INIT_WORK_HAS_DATA, 1, [define if INIT_WORK takes a data (3rd) argument])
 857                  fi
 858                  if test "x$ac_cv_linux_fs_struct_fop_has_flock" = "xyes" ; then
 859                   AC_DEFINE(STRUCT_FILE_OPERATIONS_HAS_FLOCK, 1, [define if your struct file_operations has flock])
 860                  fi
 861                  if test "x$ac_cv_linux_fs_struct_fop_has_sendfile" = "xyes" ; then
 862                   AC_DEFINE(STRUCT_FILE_OPERATIONS_HAS_SENDFILE, 1, [define if your struct file_operations has sendfile])
 863                  fi
 864                  if test "x$ac_cv_linux_register_sysctl_table_noflag" = "xyes" ; then
 865                   AC_DEFINE(REGISTER_SYSCTL_TABLE_NOFLAG, 1, [define if register_sysctl_table has no insert_at head flag])
 866                  fi
 867                  if test "x$ac_cv_linux_exports_tasklist_lock" = "xyes" ; then
 868                   AC_DEFINE(EXPORTED_TASKLIST_LOCK, 1, [define if tasklist_lock exported])
 869                  fi
 870                  if test "x$ac_cv_linux_have_kmem_cache_t" = "xyes" ; then
 871                   AC_DEFINE(HAVE_KMEM_CACHE_T, 1, [define if kmem_cache_t exists])
 872                  fi
 873                  if test "x$ac_cv_linux_have_kmem_cache_t" = "xyes" ; then
 874                   AC_DEFINE(KMEM_CACHE_TAKES_DTOR, 1, [define if kmem_cache_create takes a destructor argument])
 875                  fi
 876                  if test "x$ac_cv_linux_kernel_page_follow_link" = "xyes" -o "x$ac_cv_linux_func_i_put_link_takes_cookie" = "xyes"; then
 877                   AC_DEFINE(USABLE_KERNEL_PAGE_SYMLINK_CACHE, 1, [define if your kernel has a usable symlink cache API])
 878                  else
 879                   AC_MSG_WARN([your kernel does not have a usable symlink cache API])
 880                  fi
 881                 :
 882                 fi
 883 esac
 884
 885 case $AFS_SYSNAME in
 886         *_darwin*)
 887                 DARWIN_PLIST=src/libafs/afs.${AFS_SYSNAME}.plist
 888                 DARWIN_INFOFILE=afs.${AFS_SYSNAME}.plist
 889                 dnl the test below fails on darwin, even if the CPPFLAGS below
 890                 dnl are added. the headers from Kernel.framework must be used
 891                 dnl when KERNEL is defined.
 892
 893                 dnl really, such a thing isn't guaranteed to work on any
 894                 dnl platform until the kernel cflags from MakefileProto are
 895                 dnl known to configure
 896                 AC_DEFINE(HAVE_STRUCT_BUF, 1, [define if you have a struct buf])
 897                 ;;
 898         *)
 899 AC_MSG_CHECKING(for definition of struct buf)
 900 dnl save_CPPFLAGS="$CPPFLAGS"
 901 dnl CPPFLAGS="$CPPFLAGS -DKERNEL -D_KERNEL -D__KERNEL -D__KERNEL__"
 902 AC_CACHE_VAL(ac_cv_have_struct_buf, [
 903         ac_cv_have_struct_buf=no
 904         AC_TRY_COMPILE(
 905                 [#include <sys/buf.h>],
 906                 [struct buf x;
 907                 printf("%d\n", sizeof(x));],
 908                 ac_cv_have_struct_buf=yes,)
 909         ]
 910 )
 911 dnl CPPFLAGS="$save_CPPFLAGS"
 912 AC_MSG_RESULT($ac_cv_have_struct_buf)
 913 if test "$ac_cv_have_struct_buf" = yes; then
 914         AC_DEFINE(HAVE_STRUCT_BUF, 1, [define if you have a struct buf])
 915 fi
 916 ;;
 917 esac
 918
 919
 920 AC_CACHE_VAL(ac_cv_sockaddr_len,
 921 [
 922 AC_MSG_CHECKING([if struct sockaddr has sa_len field])
 923 AC_TRY_COMPILE( [#include <sys/types.h>
 924 #include <sys/socket.h>],
 925 [struct sockaddr *a;
 926 a->sa_len=0;], ac_cv_sockaddr_len=yes, ac_cv_sockaddr_len=no)
 927 AC_MSG_RESULT($ac_cv_sockaddr_len)])
 928 if test "$ac_cv_sockaddr_len" = "yes"; then
 929    AC_DEFINE(STRUCT_SOCKADDR_HAS_SA_LEN, 1, [define if you struct sockaddr sa_len])
 930 fi
 931 if test "x${MKAFS_OSTYPE}" = "xIRIX"; then
 932         echo Skipping library tests because they confuse Irix.
 933 else
 934   AC_CHECK_FUNCS(socket)
 935
 936   if test "$ac_cv_func_socket" = no; then
 937     for lib in socket inet; do
 938         if test "$HAVE_SOCKET" != 1; then
 939                 AC_CHECK_LIB(${lib}, socket,LIBS="$LIBS -l$lib";HAVE_SOCKET=1;AC_DEFINE(HAVE_SOCKET, 1, [define if you have socket]))
 940         fi
 941     done
 942   fi
 943
 944   AC_CHECK_FUNCS(connect)
 945
 946   if test "$ac_cv_func_connect" = no; then
 947     for lib in nsl; do
 948         if test "$HAVE_CONNECT" != 1; then
 949                 AC_CHECK_LIB(${lib}, connect,LIBS="$LIBS -l$lib";HAVE_CONNECT=1;AC_DEFINE(HAVE_CONNECT, 1, [define if you have connect]))
 950         fi
 951     done
 952   fi
 953
 954   AC_CHECK_FUNCS(gethostbyname)
 955   if test "$ac_cv_func_gethostbyname" = no; then
 956         for lib in dns nsl resolv; do
 957           if test "$HAVE_GETHOSTBYNAME" != 1; then
 958             AC_CHECK_LIB(${lib}, gethostbyname, LIBS="$LIBS -l$lib";HAVE_GETHOSTBYNAME=1;AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [define if you have gethostbyname]))
 959           fi
 960         done
 961   fi
 962
 963   dnl darwin wants it, aix hates it
 964   AC_MSG_CHECKING(for the useability of arpa/nameser_compat.h)
 965   AC_TRY_COMPILE([
 966   #include <stdlib.h>
 967   #include <stdio.h>
 968   #include <sys/types.h>
 969   #include <sys/socket.h>
 970   #include <netinet/in.h>
 971   #include <arpa/inet.h>
 972   #include <arpa/nameser.h>
 973   #include <arpa/nameser_compat.h>
 974   #include <resolv.h>
 975   ], [static int i; i = 0;],
 976   [AC_MSG_RESULT(yes)
 977    AC_DEFINE(HAVE_ARPA_NAMESER_COMPAT_H)],
 978   [AC_MSG_RESULT(no)
 979    ])
 980
 981   openafs_save_libs="$LIBS"
 982   AC_MSG_CHECKING([for res_search])
 983   AC_FUNC_RES_SEARCH
 984
 985   if test "$ac_cv_func_res_search" = no; then
 986       for lib in dns nsl resolv; do
 987         if test "$ac_cv_func_res_search" != yes; then
 988           LIBS="-l$lib $LIBS"
 989           AC_FUNC_RES_SEARCH
 990           LIBS="$openafs_save_libs"
 991         fi
 992       done
 993       if test "$ac_cv_func_res_search" = yes; then
 994         LIB_res_search="-l$lib"
 995         AC_DEFINE(HAVE_RES_SEARCH, 1, [])
 996         AC_MSG_RESULT([yes, in lib$lib])
 997       else
 998         AC_MSG_RESULT(no)
 999       fi
1000   else
1001     AC_DEFINE(HAVE_RES_SEARCH, 1, [])
1002     AC_MSG_RESULT(yes)
1003   fi
1004
1005 fi
1006
1007 PTHREAD_LIBS=error
1008 if test "x$MKAFS_OSTYPE" = OBSD; then
1009         PTHREAD_LIBS="-pthread"
1010 fi
1011 if test "x$PTHREAD_LIBS" = xerror; then
1012         AC_CHECK_LIB(pthread, pthread_attr_init,
1013                 PTHREAD_LIBS="-lpthread")
1014 fi
1015 if test "x$PTHREAD_LIBS" = xerror; then
1016         AC_CHECK_LIB(pthreads, pthread_attr_init,
1017                 PTHREAD_LIBS="-lpthreads")
1018 fi
1019 if test "x$PTHREAD_LIBS" = xerror; then
1020         AC_CHECK_LIB(c_r, pthread_attr_init,
1021                 PTHREAD_LIBS="-lc_r")
1022 fi
1023 if test "x$PTHREAD_LIBS" = xerror; then
1024         AC_CHECK_FUNC(pthread_attr_init, PTHREAD_LIBS="")
1025 fi
1026 if test "x$PTHREAD_LIBS" = xerror; then
1027         # pthread_attr_init is a macro under HPUX 11.0 and 11.11
1028         AC_CHECK_LIB(pthread, pthread_attr_destroy,
1029                 PTHREAD_LIBS="-lpthread")
1030 fi
1031 if test "x$PTHREAD_LIBS" = xerror; then
1032         AC_MSG_WARN(*** Unable to locate working posix thread library ***)
1033 fi
1034 AC_SUBST(PTHREAD_LIBS)
1035
1036 HOST_CPU="$host_cpu"
1037
1038 if test "x$with_bsd_kernel_headers" != "x"; then
1039         BSD_KERNEL_PATH="$with_bsd_kernel_headers"
1040 else
1041         BSD_KERNEL_PATH="/usr/src/sys"
1042 fi
1043
1044 if test "x$with_bsd_kernel_build" != "x"; then
1045         BSD_KERNEL_BUILD="$with_bsd_kernel_build"
1046 else
1047         case $AFS_SYSNAME in
1048                 *_fbsd_4?)
1049                         BSD_KERNEL_BUILD="${BSD_KERNEL_PATH}/compile/GENERIC"
1050                         ;;
1051                 *_fbsd_*)
1052                         BSD_KERNEL_BUILD="${BSD_KERNEL_PATH}/${HOST_CPU}/compile/GENERIC"
1053                         ;;
1054         esac
1055 fi
1056
1057 # Fast restart
1058 if test "$enable_supergroups" = "yes"; then
1059         AC_DEFINE(SUPERGROUPS, 1, [define if you want to have support for nested pts groups])
1060 fi
1061
1062 if test "$enable_fast_restart" = "yes"; then
1063         AC_DEFINE(FAST_RESTART, 1, [define if you want to have fast restart])
1064 fi
1065
1066 if test "$enable_bitmap_later" = "yes"; then
1067         AC_DEFINE(BITMAP_LATER, 1, [define if you want to salvager to check bitmasks later])
1068 fi
1069
1070 if test "$enable_demand_attach_fs" = "yes"; then
1071         AC_DEFINE(DEMAND_ATTACH_ENABLE, 1, [define if you want the demand attach fileserver])
1072         DEMAND_ATTACH="yes"
1073 else
1074         DEMAND_ATTACH="no"
1075 fi
1076 AC_SUBST(DEMAND_ATTACH)
1077
1078 if test "$enable_unix_sockets" = "yes"; then
1079         AC_DEFINE(USE_UNIX_SOCKETS, 1, [define if you want to use UNIX sockets for fssync.])
1080         USE_UNIX_SOCKETS="yes"
1081 else
1082         USE_UNIX_SOCKETS="no"
1083 fi
1084 AC_SUBST(USE_UNIX_SOCKETS)
1085
1086 if test "$enable_fast_restart" = "yes" &&
1087    test "$enable_demand_attach_fs" = "yes" ; then
1088         AC_MSG_ERROR([The Demand Attach and Fast Restart extensions are mutually exclusive.  Demand Attach fileservers automatically salvage volumes in the background, thereby making Fast Restart pointless.])
1089         exit 1
1090 fi
1091
1092 if test "$enable_full_vos_listvol_switch" = "yes"; then
1093         AC_DEFINE(FULL_LISTVOL_SWITCH, 1, [define if you want to want listvol switch])
1094 fi
1095
1096 if test "$enable_bos_restricted_mode" = "yes"; then
1097         AC_DEFINE(BOS_RESTRICTED_MODE, 1, [define if you want to want bos restricted mode])
1098 fi
1099
1100 if test "$enable_bos_new_config" = "yes"; then
1101         AC_DEFINE(BOS_NEW_CONFIG, 1, [define if you want to enable automatic renaming of BosConfig.new to BosConfig at startup])
1102 fi
1103
1104 if test "$enable_largefile_fileserver" = "yes"; then
1105         AC_DEFINE(AFS_LARGEFILE_ENV, 1, [define if you want large file fileserver])
1106 fi
1107
1108 if test "$enable_namei_fileserver" = "yes"; then
1109         AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1110 fi
1111
1112 if test "$enable_afsdb" = "yes"; then
1113         LIB_AFSDB="$LIB_res_search"
1114         AC_DEFINE(AFS_AFSDB_ENV, 1, [define if you want to want search afsdb rr])
1115 fi
1116
1117 dnl check for tivoli
1118 AC_MSG_CHECKING(for tivoli tsm butc support)
1119 XBSA_CFLAGS=""
1120 if test "$enable_tivoli_tsm" = "yes"; then
1121         XBSADIR1=/usr/tivoli/tsm/client/api/bin/xopen
1122         XBSADIR2=/opt/tivoli/tsm/client/api/bin/xopen
1123
1124         if test -r "$XBSADIR1/xbsa.h"; then
1125                 XBSA_CFLAGS="-Dxbsa -I$XBSADIR1"
1126                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1127         elif test -r "$XBSADIR2/xbsa.h"; then
1128                 XBSA_CFLAGS="-Dxbsa -I$XBSADIR2"
1129                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1130         else
1131                 AC_MSG_RESULT([no, missing xbsa.h header file])
1132         fi
1133 else
1134         AC_MSG_RESULT([no])
1135 fi
1136 AC_SUBST(XBSA_CFLAGS)
1137
1138 dnl checks for header files.
1139 AC_HEADER_STDC
1140 AC_HEADER_SYS_WAIT
1141 AC_HEADER_DIRENT
1142 AC_CHECK_HEADERS(stdlib.h string.h unistd.h fcntl.h sys/time.h sys/file.h)
1143 AC_CHECK_HEADERS(netinet/in.h netdb.h sys/fcntl.h sys/mnttab.h sys/mntent.h)
1144 AC_CHECK_HEADERS(mntent.h sys/vfs.h sys/param.h sys/fs_types.h sys/fstyp.h)
1145 AC_CHECK_HEADERS(sys/mount.h strings.h termios.h signal.h)
1146 AC_CHECK_HEADERS(windows.h malloc.h winsock2.h direct.h io.h sys/user.h)
1147 AC_CHECK_HEADERS(security/pam_modules.h siad.h usersec.h ucontext.h regex.h values.h)
1148
1149 dnl Don't build PAM on IRIX; the interface doesn't work for us.
1150 if test "$ac_cv_header_security_pam_modules_h" = yes -a "$enable_pam" = yes; then
1151         case $AFS_SYSNAME in
1152         sgi_*)
1153                 HAVE_PAM="no"
1154                 ;;
1155         *)
1156                 HAVE_PAM="yes"
1157                 ;;
1158         esac
1159 else
1160         HAVE_PAM="no"
1161 fi
1162 AC_SUBST(HAVE_PAM)
1163
1164 if test "$enable_login" = yes; then
1165         BUILD_LOGIN="yes"
1166 else
1167         BUILD_LOGIN="no"
1168 fi
1169 AC_SUBST(BUILD_LOGIN)
1170
1171 AC_CHECK_FUNCS(utimes random srandom getdtablesize snprintf strlcat strlcpy re_comp re_exec flock)
1172 AC_CHECK_FUNCS(setprogname getprogname sigaction mkstemp vsnprintf strerror strcasestr)
1173 AC_CHECK_FUNCS(setvbuf)
1174 AC_FUNC_SETVBUF_REVERSED
1175 AC_CHECK_FUNCS(regcomp regexec regerror)
1176 AC_MSG_CHECKING([for POSIX regex library])
1177 if test "$ac_cv_header_regex_h" = "yes" && \
1178         test "$ac_cv_func_regcomp" = "yes" && \
1179         test "$ac_cv_func_regexec" = "yes" && \
1180         test "$ac_cv_func_regerror" = "yes"; then
1181     AC_DEFINE(HAVE_POSIX_REGEX, 1, [define if you have POSIX regex library])
1182     AC_MSG_RESULT(yes)
1183 else
1184     AC_MSG_RESULT(no)
1185 fi
1186
1187 AC_TYPE_SIGNAL
1188 AC_CHECK_TYPE(ssize_t, int)
1189 AC_CHECK_TYPE([sig_atomic_t], ,
1190     [AC_DEFINE([sig_atomic_t], [int],
1191         [Define to int if <signal.h> does not define.])],
1192 [#include <sys/types.h>
1193 #include <signal.h>])
1194 AC_SIZEOF_TYPE(long)
1195
1196 AC_MSG_CHECKING(size of time_t)
1197 AC_CACHE_VAL(ac_cv_sizeof_time_t,
1198 [AC_TRY_RUN([#include <stdio.h>
1199 #include <time.h>
1200 main()
1201 {
1202   FILE *f=fopen("conftestval", "w");
1203   if (!f) exit(1);
1204   fprintf(f, "%d\n", sizeof(time_t));
1205   exit(0);
1206 }], ac_cv_sizeof_time_t=`cat conftestval`, ac_cv_sizeof_time_t=0)
1207 ])
1208 AC_MSG_RESULT($ac_cv_sizeof_time_t)
1209 AC_DEFINE_UNQUOTED(SIZEOF_TIME_T, $ac_cv_sizeof_time_t)
1210
1211 AC_CHECK_FUNCS(timegm)
1212 AC_CHECK_FUNCS(daemon)
1213
1214 dnl Directory PATH handling
1215 if test "x$enable_transarc_paths" = "xyes"  ; then
1216     afsconfdir=${afsconfdir=/usr/afs/etc}
1217     viceetcdir=${viceetcdir=/usr/vice/etc}
1218     afskerneldir=${afskerneldir=${viceetcdir}}
1219     afssrvbindir=${afssrvbindir=/usr/afs/bin}
1220     afssrvsbindir=${afssrvsbindir=/usr/afs/bin}
1221     afssrvlibexecdir=${afssrvlibexecdir=/usr/afs/bin}
1222     afsdbdir=${afsdbdir=/usr/afs/db}
1223     afslogsdir=${afslogsdir=/usr/afs/logs}
1224     afslocaldir=${afslocaldir=/usr/afs/local}
1225     afsbackupdir=${afsbackupdir=/usr/afs/backup}
1226     afsbosconfigdir=${afsbosconfigdir=/usr/afs/local}
1227 else
1228     afsconfdir=${afsconfdir='${sysconfdir}/openafs/server'}
1229     viceetcdir=${viceetcdir='${sysconfdir}/openafs'}
1230     afskerneldir=${afskerneldir='${libdir}/openafs'}
1231     afssrvbindir=${afssrvbindir='${bindir}'}
1232     afssrvsbindir=${afssrvsbindir='${sbindir}'}
1233     afssrvlibexecdir=${afssrvlibexecdir='${libexecdir}/openafs'}
1234     afsdbdir=${afsdbdir='${localstatedir}/openafs/db'}
1235     afslogsdir=${afslogsdir='${localstatedir}/openafs/logs'}
1236     afslocaldir=${afslocaldir='${localstatedir}/openafs'}
1237     afsbackupdir=${afsbackupdir='${localstatedir}/openafs/backup'}
1238     afsbosconfigdir=${afsbosconfigdir='${sysconfdir}/openafs'}
1239 fi
1240 AC_SUBST(afsconfdir)
1241 AC_SUBST(viceetcdir)
1242 AC_SUBST(afskerneldir)
1243 AC_SUBST(afssrvbindir)
1244 AC_SUBST(afssrvsbindir)
1245 AC_SUBST(afssrvlibexecdir)
1246 AC_SUBST(afsdbdir)
1247 AC_SUBST(afslogsdir)
1248 AC_SUBST(afslocaldir)
1249 AC_SUBST(afsbackupdir)
1250 AC_SUBST(afsbosconfigdir)
1251
1252 if test "x$enable_kernel_module" = "xyes"; then
1253 ENABLE_KERNEL_MODULE=libafs
1254 fi
1255
1256 AC_SUBST(AFS_SYSNAME)
1257 AC_SUBST(AFS_PARAM_COMMON)
1258 AC_SUBST(ENABLE_KERNEL_MODULE)
1259 AC_SUBST(LIB_AFSDB)
1260 AC_SUBST(LINUX_KERNEL_PATH)
1261 AC_SUBST(HOST_CPU)
1262 AC_SUBST(BSD_KERNEL_PATH)
1263 AC_SUBST(BSD_KERNEL_BUILD)
1264 AC_SUBST(LINUX_VERSION)
1265 AC_SUBST(MKAFS_OSTYPE)
1266 AC_SUBST(TOP_OBJDIR)
1267 AC_SUBST(TOP_SRCDIR)
1268 AC_SUBST(TOP_INCDIR)
1269 AC_SUBST(TOP_LIBDIR)
1270 AC_SUBST(DEST)
1271 AC_SUBST(DARWIN_INFOFILE)
1272 AC_SUBST(IRIX_BUILD_IP35)
1273
1274 OPENAFS_OSCONF
1275 OPENAFS_KRB5CONF
1276
1277 TOP_SRCDIR="${srcdir}/src"
1278 dnl
1279 dnl If we're using ./configure, need a more reasonable TOP_SRCDIR, since relative links don't work everywhere
1280 dnl
1281 case $TOP_SRCDIR in
1282         /*)
1283                 ;;
1284         *)
1285                 TOP_SRCDIR=`cd $TOP_SRCDIR; pwd`
1286                 ;;
1287 esac
1288
1289 TOP_OBJDIR="${SRCDIR_PARENT}"
1290 TOP_INCDIR="${SRCDIR_PARENT}/include"
1291 TOP_LIBDIR="${SRCDIR_PARENT}/lib"
1292 if test "${DEST}x" = "x"; then
1293         DEST="${SRCDIR_PARENT}/${AFS_SYSNAME}/dest"
1294 fi
1295
1296 HELPER_SPLINT="${TOP_SRCDIR}/helper-splint.sh"
1297 HELPER_SPLINTCFG="${TOP_SRCDIR}/splint.cfg"
1298 AC_SUBST(HELPER_SPLINT)
1299 AC_SUBST(HELPER_SPLINTCFG)
1300
1301 mkdir -p ${TOP_OBJDIR}/src/JAVA/libjafs
1302
1303 ])