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_EXPORTFS_H_EXISTS
 590                  LINUX_DEFINES_FOR_EACH_PROCESS
 591                  LINUX_DEFINES_PREV_TASK
 592                  LINUX_FS_STRUCT_SUPER_HAS_ALLOC_INODE
 593                  LINUX_FS_STRUCT_ADDRESS_SPACE_HAS_PAGE_LOCK
 594                  LINUX_FS_STRUCT_ADDRESS_SPACE_HAS_GFP_MASK
 595                  LINUX_FS_STRUCT_INODE_HAS_I_ALLOC_SEM
 596                  LINUX_FS_STRUCT_INODE_HAS_I_BLKBITS
 597                  LINUX_FS_STRUCT_INODE_HAS_I_BLKSIZE
 598                  LINUX_FS_STRUCT_INODE_HAS_I_TRUNCATE_SEM
 599                  LINUX_FS_STRUCT_INODE_HAS_I_DIRTY_DATA_BUFFERS
 600                  LINUX_FS_STRUCT_INODE_HAS_I_DEVICES
 601                  LINUX_FS_STRUCT_INODE_HAS_I_MMAP_SHARED
 602                  LINUX_FS_STRUCT_INODE_HAS_I_MUTEX
 603                  LINUX_FS_STRUCT_INODE_HAS_I_SB_LIST
 604                  LINUX_FS_STRUCT_INODE_HAS_I_SECURITY
 605                  LINUX_FS_STRUCT_INODE_HAS_INOTIFY_LOCK
 606                  LINUX_FS_STRUCT_INODE_HAS_INOTIFY_SEM
 607                  LINUX_INODE_SETATTR_RETURN_TYPE
 608                  LINUX_WRITE_INODE_RETURN_TYPE
 609                  LINUX_IOP_I_CREATE_TAKES_NAMEIDATA
 610                  LINUX_IOP_I_LOOKUP_TAKES_NAMEIDATA
 611                  LINUX_IOP_I_PERMISSION_TAKES_NAMEIDATA
 612                  LINUX_IOP_I_PUT_LINK_TAKES_COOKIE
 613                  LINUX_DOP_D_REVALIDATE_TAKES_NAMEIDATA
 614                  LINUX_FOP_F_FLUSH_TAKES_FL_OWNER_T
 615                  LINUX_AOP_WRITEBACK_CONTROL
 616                  LINUX_FS_STRUCT_FOP_HAS_FLOCK
 617                  LINUX_FS_STRUCT_FOP_HAS_SENDFILE
 618                  LINUX_KERNEL_LINUX_SYSCALL_H
 619                  LINUX_KERNEL_LINUX_SEQ_FILE_H
 620                  LINUX_KERNEL_POSIX_LOCK_FILE_WAIT_ARG
 621                  LINUX_KERNEL_SELINUX
 622                  LINUX_KERNEL_SOCK_CREATE
 623                  LINUX_KERNEL_PAGE_FOLLOW_LINK
 624                  LINUX_NEED_RHCONFIG
 625                  LINUX_RECALC_SIGPENDING_ARG_TYPE
 626                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_PARENT
 627                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_REAL_PARENT
 628                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_SIG
 629                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_SIGHAND
 630                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_SIGMASK_LOCK
 631                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_RLIM
 632                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_SIGNAL_RLIM
 633                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_EXIT_STATE
 634                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_TGID
 635                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_TODO
 636                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_THREAD_INFO
 637                  LINUX_EXPORTS_TASKLIST_LOCK
 638                  LINUX_GET_SB_HAS_STRUCT_VFSMOUNT
 639                  LINUX_STATFS_TAKES_DENTRY
 640                  LINUX_FREEZER_H_EXISTS
 641                  LINUX_HAVE_SVC_ADDR_IN
 642                  if test "x$ac_cv_linux_freezer_h_exists" = "xyes" ; then
 643                   AC_DEFINE(FREEZER_H_EXISTS, 1, [define if you have linux/freezer.h])
 644                  fi
 645                  LINUX_REFRIGERATOR
 646                  LINUX_LINUX_KEYRING_SUPPORT
 647                  LINUX_KEY_ALLOC_NEEDS_STRUCT_TASK
 648                  LINUX_DO_SYNC_READ
 649                  LINUX_GENERIC_FILE_AIO_READ
 650                  LINUX_INIT_WORK_HAS_DATA
 651                  LINUX_REGISTER_SYSCTL_TABLE_NOFLAG
 652                  LINUX_EXPORTS_SYS_CHDIR
 653                  LINUX_EXPORTS_SYS_CLOSE
 654                  LINUX_EXPORTS_SYS_OPEN
 655                  LINUX_EXPORTS_SYS_WAIT4
 656                  LINUX_WHICH_MODULES
 657                  if test "x$ac_cv_linux_config_modversions" = "xno" -o $AFS_SYSKVERS -ge 26; then
 658                    AC_MSG_WARN([Cannot determine sys_call_table status. assuming it isn't exported])
 659                    ac_cv_linux_exports_sys_call_table=no
 660                    if test -f "$LINUX_KERNEL_PATH/include/asm/ia32_unistd.h"; then
 661                      ac_cv_linux_exports_ia32_sys_call_table=yes
 662                    fi
 663                  else
 664                    LINUX_EXPORTS_INIT_MM
 665                    LINUX_EXPORTS_KALLSYMS_ADDRESS
 666                    LINUX_EXPORTS_KALLSYMS_SYMBOL
 667                    LINUX_EXPORTS_SYS_CALL_TABLE
 668                    LINUX_EXPORTS_IA32_SYS_CALL_TABLE
 669                    if test "x$ac_cv_linux_exports_sys_call_table" = "xno"; then
 670                          linux_syscall_method=none
 671                          if test "x$ac_cv_linux_exports_init_mm" = "xyes"; then
 672                             linux_syscall_method=scan
 673                             if test "x$ac_cv_linux_exports_kallsyms_address" = "xyes"; then
 674                                linux_syscall_method=scan_with_kallsyms_address
 675                             fi
 676                          fi
 677                          if test "x$ac_cv_linux_exports_kallsyms_symbol" = "xyes"; then
 678                             linux_syscall_method=kallsyms_symbol
 679                          fi
 680                          if test "x$linux_syscall_method" = "xnone"; then
 681                             AC_MSG_WARN([no available sys_call_table access method -- guessing scan])
 682                             linux_syscall_method=scan
 683                          fi
 684                    fi
 685                  fi
 686                  if test -f "$LINUX_KERNEL_PATH/include/linux/in_systm.h"; then
 687                   AC_DEFINE(HAVE_IN_SYSTM_H, 1, [define if you have in_systm.h header file])
 688                  fi
 689                  if test -f "$LINUX_KERNEL_PATH/include/linux/mm_inline.h"; then
 690                   AC_DEFINE(HAVE_MM_INLINE_H, 1, [define if you have mm_inline.h header file])
 691                  fi
 692                  if test -f "$LINUX_KERNEL_PATH/include/linux/in_systm.h"; then
 693                   AC_DEFINE(HAVE_IN_SYSTM_H, 1, [define if you have in_systm.h header file])
 694                  fi
 695                  if test "x$ac_cv_linux_exports_sys_chdir" = "xyes" ; then
 696                   AC_DEFINE(EXPORTED_SYS_CHDIR, 1, [define if your linux kernel exports sys_chdir])
 697                  fi
 698                  if test "x$ac_cv_linux_exports_sys_open" = "xyes" ; then
 699                   AC_DEFINE(EXPORTED_SYS_OPEN, 1, [define if your linux kernel exports sys_open])
 700                  fi
 701                  if test "x$ac_cv_linux_exports_sys_close" = "xyes" ; then
 702                   AC_DEFINE(EXPORTED_SYS_CLOSE, 1, [define if your linux kernel exports sys_close])
 703                  fi
 704                  if test "x$ac_cv_linux_exports_sys_wait4" = "xyes" ; then
 705                   AC_DEFINE(EXPORTED_SYS_WAIT4, 1, [define if your linux kernel exports sys_wait4])
 706                  fi
 707                  if test "x$ac_cv_linux_exports_sys_call_table" = "xyes"; then
 708                   AC_DEFINE(EXPORTED_SYS_CALL_TABLE)
 709                  fi
 710                  if test "x$ac_cv_linux_exports_ia32_sys_call_table" = "xyes"; then
 711                   AC_DEFINE(EXPORTED_IA32_SYS_CALL_TABLE)
 712                  fi
 713                  if test "x$ac_cv_linux_exports_kallsyms_symbol" = "xyes"; then
 714                   AC_DEFINE(EXPORTED_KALLSYMS_SYMBOL)
 715                  fi
 716                  if test "x$ac_cv_linux_exports_kallsyms_address" = "xyes"; then
 717                   AC_DEFINE(EXPORTED_KALLSYMS_ADDRESS)
 718                  fi
 719                  if test "x$ac_cv_linux_completion_h_exists" = "xyes" ; then
 720                   AC_DEFINE(COMPLETION_H_EXISTS, 1, [define if completion_h exists])
 721                  fi
 722                  if test "x$ac_cv_linux_config_h_exists" = "xyes" ; then
 723                   AC_DEFINE(CONFIG_H_EXISTS, 1, [define if config.h exists])
 724                  fi
 725                  if test "x$ac_cv_linux_exportfs_h_exists" = "xyes"; then
 726                   AC_DEFINE(EXPORTFS_H_EXISTS, 1, [define if linux/exportfs.h exists])
 727                  fi
 728                  if test "x$ac_cv_linux_defines_for_each_process" = "xyes" ; then
 729                   AC_DEFINE(DEFINED_FOR_EACH_PROCESS, 1, [define if for_each_process defined])
 730                  fi
 731                  if test "x$ac_cv_linux_defines_prev_task" = "xyes" ; then
 732                   AC_DEFINE(DEFINED_PREV_TASK, 1, [define if prev_task defined])
 733                  fi
 734                  if test "x$ac_cv_linux_func_inode_setattr_returns_int" = "xyes" ; then
 735                   AC_DEFINE(INODE_SETATTR_NOT_VOID, 1, [define if your setattr return return non-void])
 736                  fi
 737                  if test "x$ac_cv_linux_func_write_inode_returns_int" = "xyes" ; then
 738                   AC_DEFINE(WRITE_INODE_NOT_VOID, 1, [define if your sops.write_inode returns non-void])
 739                  fi
 740                  if test "x$ac_cv_linux_fs_struct_super_has_alloc_inode" = "xyes" ; then
 741                   AC_DEFINE(STRUCT_SUPER_HAS_ALLOC_INODE, 1, [define if your struct super_operations has alloc_inode])
 742                  fi
 743                  if test "x$ac_cv_linux_fs_struct_address_space_has_page_lock" = "xyes"; then
 744                   AC_DEFINE(STRUCT_ADDRESS_SPACE_HAS_PAGE_LOCK, 1, [define if your struct address_space has page_lock])
 745                  fi
 746                  if test "x$ac_cv_linux_fs_struct_address_space_has_gfp_mask" = "xyes"; then
 747                   AC_DEFINE(STRUCT_ADDRESS_SPACE_HAS_GFP_MASK, 1, [define if your struct address_space has gfp_mask])
 748                  fi
 749                  if test "x$ac_cv_linux_fs_struct_inode_has_i_truncate_sem" = "xyes"; then
 750                   AC_DEFINE(STRUCT_INODE_HAS_I_TRUNCATE_SEM, 1, [define if your struct inode has truncate_sem])
 751                  fi
 752                  if test "x$ac_cv_linux_fs_struct_inode_has_i_alloc_sem" = "xyes"; then
 753                   AC_DEFINE(STRUCT_INODE_HAS_I_ALLOC_SEM, 1, [define if your struct inode has alloc_sem])
 754                  fi
 755                  if test "x$ac_cv_linux_fs_struct_inode_has_i_blksize" = "xyes"; then
 756                   AC_DEFINE(STRUCT_INODE_HAS_I_BLKSIZE, 1, [define if your struct inode has i_blksize])
 757                  fi
 758                  if test "x$ac_cv_linux_fs_struct_inode_has_i_devices" = "xyes"; then
 759                   AC_DEFINE(STRUCT_INODE_HAS_I_DEVICES, 1, [define if you struct inode has i_devices])
 760                  fi
 761                  if test "x$ac_cv_linux_fs_struct_inode_has_i_security" = "xyes"; then
 762                   AC_DEFINE(STRUCT_INODE_HAS_I_SECURITY, 1, [define if you struct inode has i_security])
 763                  fi
 764                  if test "x$ac_cv_linux_fs_struct_inode_has_i_mutex" = "xyes"; then
 765                   AC_DEFINE(STRUCT_INODE_HAS_I_MUTEX, 1, [define if you struct inode has i_mutex])
 766                  fi
 767                  if test "x$ac_cv_linux_fs_struct_inode_has_i_sb_list" = "xyes"; then
 768                   AC_DEFINE(STRUCT_INODE_HAS_I_SB_LIST, 1, [define if you struct inode has i_sb_list])
 769                  fi
 770                  if test "x$ac_cv_linux_fs_struct_inode_has_i_dirty_data_buffers" = "xyes"; then
 771                   AC_DEFINE(STRUCT_INODE_HAS_I_DIRTY_DATA_BUFFERS, 1, [define if your struct inode has data_buffers])
 772                  fi
 773                  if test "x$ac_cv_linux_fs_struct_inode_has_inotify_lock" = "xyes"; then
 774                   AC_DEFINE(STRUCT_INODE_HAS_INOTIFY_LOCK, 1, [define if your struct inode has inotify_lock])
 775                  fi
 776                  if test "x$ac_cv_linux_fs_struct_inode_has_inotify_sem" = "xyes"; then
 777                   AC_DEFINE(STRUCT_INODE_HAS_INOTIFY_SEM, 1, [define if your struct inode has inotify_sem])
 778                  fi
 779                  if test "x$ac_cv_linux_func_recalc_sigpending_takes_void" = "xyes"; then
 780                   AC_DEFINE(RECALC_SIGPENDING_TAKES_VOID, 1, [define if your recalc_sigpending takes void])
 781                  fi
 782                  if test "x$ac_cv_linux_kernel_posix_lock_file_wait_arg" = "xyes" ; then
 783                   AC_DEFINE(POSIX_LOCK_FILE_WAIT_ARG, 1, [define if your linux kernel uses 3 arguments for posix_lock_file])
 784                  fi
 785                  if test "x$ac_cv_linux_kernel_is_selinux" = "xyes" ; then
 786                   AC_DEFINE(LINUX_KERNEL_IS_SELINUX, 1, [define if your linux kernel uses SELinux features])
 787                  fi
 788                  if test "x$ac_cv_linux_kernel_sock_create_v" = "xyes" ; then
 789                   AC_DEFINE(LINUX_KERNEL_SOCK_CREATE_V, 1, [define if your linux kernel uses 5 arguments for sock_create])
 790                  fi
 791                  if test "x$ac_cv_linux_kernel_page_follow_link" = "xyes" ; then
 792                   AC_DEFINE(HAVE_KERNEL_PAGE_FOLLOW_LINK, 1, [define if your linux kernel provides page_follow_link])
 793                  fi
 794                  if test "x$ac_linux_syscall" = "xyes" ; then
 795                   AC_DEFINE(HAVE_KERNEL_LINUX_SYSCALL_H, 1, [define if your linux kernel has linux/syscall.h])
 796                  fi
 797                  if test "x$ac_linux_seq_file" = "xyes" ; then
 798                   AC_DEFINE(HAVE_KERNEL_LINUX_SEQ_FILE_H, 1, [define if your linux kernel has linux/seq_file.h])
 799                  fi
 800                  if test "x$ac_cv_linux_sched_struct_task_struct_has_parent" = "xyes"; then
 801                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_PARENT, 1, [define if your struct task_struct has parent])
 802                  fi
 803                  if test "x$ac_cv_linux_sched_struct_task_struct_has_real_parent" = "xyes"; then
 804                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_REAL_PARENT, 1, [define if your struct task_struct has real_parent])
 805                  fi
 806                  if test "x$ac_cv_linux_sched_struct_task_struct_has_sigmask_lock" = "xyes"; then
 807                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_SIGMASK_LOCK, 1, [define if your struct task_struct has sigmask_lock])
 808                  fi
 809                  if test "x$ac_cv_linux_sched_struct_task_struct_has_sighand" = "xyes"; then
 810                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_SIGHAND, 1, [define if your struct task_struct has sighand])
 811                  fi
 812                  if test "x$ac_cv_linux_sched_struct_task_struct_has_sig" = "xyes"; then
 813                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_SIG, 1, [define if your struct task_struct has sig])
 814                  fi
 815                  if test "x$ac_cv_linux_sched_struct_task_struct_has_rlim" = "xyes"; then
 816                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_RLIM, 1, [define if your struct task_struct has rlim])
 817                  fi
 818                  if test "x$ac_cv_linux_sched_struct_task_struct_has_signal_rlim" = "xyes"; then
 819                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_SIGNAL_RLIM, 1, [define if your struct task_struct has signal->rlim])
 820                  fi
 821                  if test "x$ac_cv_linux_sched_struct_task_struct_has_exit_state" = "xyes"; then
 822                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_EXIT_STATE, 1, [define if your struct task_struct has exit_state])
 823                  fi
 824                  if test "x$ac_cv_linux_sched_struct_task_struct_has_tgid" = "xyes"; then
 825                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_TGID, 1, [define if your struct task_struct has tgid])
 826                  fi
 827                  if test "x$ac_cv_linux_sched_struct_task_struct_has_todo" = "xyes"; then
 828                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_TODO, 1, [define if your struct task_struct has todo])
 829                  fi
 830                  if test "x$ac_cv_linux_sched_struct_task_struct_has_thread_info" = "xyes"; then
 831                   AC_DEFINE(STRUCT_TASK_STRUCT_HAS_THREAD_INFO, 1, [define if your struct task_struct has thread_info])
 832                  fi
 833                  if test "x$ac_cv_linux_get_sb_has_struct_vfsmount" = "xyes"; then
 834                   AC_DEFINE(GET_SB_HAS_STRUCT_VFSMOUNT, 1, [define if your get_sb_nodev needs a struct vfsmount argument])
 835                  fi
 836                  if test "x$ac_cv_linux_statfs_takes_dentry" = "xyes"; then
 837                   AC_DEFINE(STATFS_TAKES_DENTRY, 1, [define if your statfs takes a dentry argument])
 838                  fi
 839                  if test "x$ac_cv_linux_func_a_writepage_takes_writeback_control" = "xyes" ; then
 840                   AC_DEFINE(AOP_WRITEPAGE_TAKES_WRITEBACK_CONTROL, 1, [define if your aops.writepage takes a struct writeback_control argument])
 841                  fi
 842                  if test "x$ac_cv_linux_func_refrigerator_takes_pf_freeze" = "xyes" ; then
 843                   AC_DEFINE(LINUX_REFRIGERATOR_TAKES_PF_FREEZE, 1, [define if your refrigerator takes PF_FREEZE])
 844                  fi
 845                  if test "x$ac_cv_linux_func_i_create_takes_nameidata" = "xyes" ; then
 846                   AC_DEFINE(IOP_CREATE_TAKES_NAMEIDATA, 1, [define if your iops.create takes a nameidata argument])
 847                  fi
 848                  if test "x$ac_cv_linux_func_f_flush_takes_fl_owner_t" = "xyes" ; then
 849                   AC_DEFINE(FOP_FLUSH_TAKES_FL_OWNER_T, 1, [define if your fops.flush takes an fl_owner_t argument])
 850                  fi
 851                  if test "x$ac_cv_linux_func_i_lookup_takes_nameidata" = "xyes" ; then
 852                   AC_DEFINE(IOP_LOOKUP_TAKES_NAMEIDATA, 1, [define if your iops.lookup takes a nameidata argument])
 853                  fi
 854                  if test "x$ac_cv_linux_func_i_permission_takes_nameidata" = "xyes" ; then
 855                   AC_DEFINE(IOP_PERMISSION_TAKES_NAMEIDATA, 1, [define if your iops.permission takes a nameidata argument])
 856                  fi
 857                  if test "x$ac_cv_linux_func_d_revalidate_takes_nameidata" = "xyes" ; then
 858                   AC_DEFINE(DOP_REVALIDATE_TAKES_NAMEIDATA, 1, [define if your dops.d_revalidate takes a nameidata argument])
 859                  fi
 860                  if test "x$ac_cv_linux_init_work_has_data" = "xyes" ; then
 861                   AC_DEFINE(INIT_WORK_HAS_DATA, 1, [define if INIT_WORK takes a data (3rd) argument])
 862                  fi
 863                  if test "x$ac_cv_linux_fs_struct_fop_has_flock" = "xyes" ; then
 864                   AC_DEFINE(STRUCT_FILE_OPERATIONS_HAS_FLOCK, 1, [define if your struct file_operations has flock])
 865                  fi
 866                  if test "x$ac_cv_linux_fs_struct_fop_has_sendfile" = "xyes" ; then
 867                   AC_DEFINE(STRUCT_FILE_OPERATIONS_HAS_SENDFILE, 1, [define if your struct file_operations has sendfile])
 868                  fi
 869                  if test "x$ac_cv_linux_register_sysctl_table_noflag" = "xyes" ; then
 870                   AC_DEFINE(REGISTER_SYSCTL_TABLE_NOFLAG, 1, [define if register_sysctl_table has no insert_at head flag])
 871                  fi
 872                  if test "x$ac_cv_linux_exports_tasklist_lock" = "xyes" ; then
 873                   AC_DEFINE(EXPORTED_TASKLIST_LOCK, 1, [define if tasklist_lock exported])
 874                  fi
 875                  if test "x$ac_cv_linux_have_kmem_cache_t" = "xyes" ; then
 876                   AC_DEFINE(HAVE_KMEM_CACHE_T, 1, [define if kmem_cache_t exists])
 877                  fi
 878                  if test "x$ac_cv_linux_have_kmem_cache_t" = "xyes" ; then
 879                   AC_DEFINE(KMEM_CACHE_TAKES_DTOR, 1, [define if kmem_cache_create takes a destructor argument])
 880                  fi
 881                  if test "x$ac_cv_linux_kernel_page_follow_link" = "xyes" -o "x$ac_cv_linux_func_i_put_link_takes_cookie" = "xyes"; then
 882                   AC_DEFINE(USABLE_KERNEL_PAGE_SYMLINK_CACHE, 1, [define if your kernel has a usable symlink cache API])
 883                  else
 884                   AC_MSG_WARN([your kernel does not have a usable symlink cache API])
 885                  fi
 886                  if test "x$ac_cv_linux_have_svc_addr_in" = "xyes"; then
 887                   AC_DEFINE(HAVE_SVC_ADDR_IN, 1, [define if svc_add_in exists])
 888                  fi
 889                 :
 890                 fi
 891 esac
 892
 893 case $AFS_SYSNAME in
 894         *_darwin*)
 895                 DARWIN_PLIST=src/libafs/afs.${AFS_SYSNAME}.plist
 896                 DARWIN_INFOFILE=afs.${AFS_SYSNAME}.plist
 897                 dnl the test below fails on darwin, even if the CPPFLAGS below
 898                 dnl are added. the headers from Kernel.framework must be used
 899                 dnl when KERNEL is defined.
 900
 901                 dnl really, such a thing isn't guaranteed to work on any
 902                 dnl platform until the kernel cflags from MakefileProto are
 903                 dnl known to configure
 904                 AC_DEFINE(HAVE_STRUCT_BUF, 1, [define if you have a struct buf])
 905                 ;;
 906         *)
 907 AC_MSG_CHECKING(for definition of struct buf)
 908 dnl save_CPPFLAGS="$CPPFLAGS"
 909 dnl CPPFLAGS="$CPPFLAGS -DKERNEL -D_KERNEL -D__KERNEL -D__KERNEL__"
 910 AC_CACHE_VAL(ac_cv_have_struct_buf, [
 911         ac_cv_have_struct_buf=no
 912         AC_TRY_COMPILE(
 913                 [#include <sys/buf.h>],
 914                 [struct buf x;
 915                 printf("%d\n", sizeof(x));],
 916                 ac_cv_have_struct_buf=yes,)
 917         ]
 918 )
 919 dnl CPPFLAGS="$save_CPPFLAGS"
 920 AC_MSG_RESULT($ac_cv_have_struct_buf)
 921 if test "$ac_cv_have_struct_buf" = yes; then
 922         AC_DEFINE(HAVE_STRUCT_BUF, 1, [define if you have a struct buf])
 923 fi
 924 ;;
 925 esac
 926
 927
 928 AC_CACHE_VAL(ac_cv_sockaddr_len,
 929 [
 930 AC_MSG_CHECKING([if struct sockaddr has sa_len field])
 931 AC_TRY_COMPILE( [#include <sys/types.h>
 932 #include <sys/socket.h>],
 933 [struct sockaddr *a;
 934 a->sa_len=0;], ac_cv_sockaddr_len=yes, ac_cv_sockaddr_len=no)
 935 AC_MSG_RESULT($ac_cv_sockaddr_len)])
 936 if test "$ac_cv_sockaddr_len" = "yes"; then
 937    AC_DEFINE(STRUCT_SOCKADDR_HAS_SA_LEN, 1, [define if you struct sockaddr sa_len])
 938 fi
 939 if test "x${MKAFS_OSTYPE}" = "xIRIX"; then
 940         echo Skipping library tests because they confuse Irix.
 941 else
 942   AC_CHECK_FUNCS(socket)
 943
 944   if test "$ac_cv_func_socket" = no; then
 945     for lib in socket inet; do
 946         if test "$HAVE_SOCKET" != 1; then
 947                 AC_CHECK_LIB(${lib}, socket,LIBS="$LIBS -l$lib";HAVE_SOCKET=1;AC_DEFINE(HAVE_SOCKET, 1, [define if you have socket]))
 948         fi
 949     done
 950   fi
 951
 952   AC_CHECK_FUNCS(connect)
 953
 954   if test "$ac_cv_func_connect" = no; then
 955     for lib in nsl; do
 956         if test "$HAVE_CONNECT" != 1; then
 957                 AC_CHECK_LIB(${lib}, connect,LIBS="$LIBS -l$lib";HAVE_CONNECT=1;AC_DEFINE(HAVE_CONNECT, 1, [define if you have connect]))
 958         fi
 959     done
 960   fi
 961
 962   AC_CHECK_FUNCS(gethostbyname)
 963   if test "$ac_cv_func_gethostbyname" = no; then
 964         for lib in dns nsl resolv; do
 965           if test "$HAVE_GETHOSTBYNAME" != 1; then
 966             AC_CHECK_LIB(${lib}, gethostbyname, LIBS="$LIBS -l$lib";HAVE_GETHOSTBYNAME=1;AC_DEFINE(HAVE_GETHOSTBYNAME, 1, [define if you have gethostbyname]))
 967           fi
 968         done
 969   fi
 970
 971   dnl darwin wants it, aix hates it
 972   AC_MSG_CHECKING(for the useability of arpa/nameser_compat.h)
 973   AC_TRY_COMPILE([
 974   #include <stdlib.h>
 975   #include <stdio.h>
 976   #include <sys/types.h>
 977   #include <sys/socket.h>
 978   #include <netinet/in.h>
 979   #include <arpa/inet.h>
 980   #include <arpa/nameser.h>
 981   #include <arpa/nameser_compat.h>
 982   #include <resolv.h>
 983   ], [static int i; i = 0;],
 984   [AC_MSG_RESULT(yes)
 985    AC_DEFINE(HAVE_ARPA_NAMESER_COMPAT_H)],
 986   [AC_MSG_RESULT(no)
 987    ])
 988
 989   openafs_save_libs="$LIBS"
 990   AC_MSG_CHECKING([for res_search])
 991   AC_FUNC_RES_SEARCH
 992
 993   if test "$ac_cv_func_res_search" = no; then
 994       for lib in dns nsl resolv; do
 995         if test "$ac_cv_func_res_search" != yes; then
 996           LIBS="-l$lib $LIBS"
 997           AC_FUNC_RES_SEARCH
 998           LIBS="$openafs_save_libs"
 999         fi
1000       done
1001       if test "$ac_cv_func_res_search" = yes; then
1002         LIB_res_search="-l$lib"
1003         AC_DEFINE(HAVE_RES_SEARCH, 1, [])
1004         AC_MSG_RESULT([yes, in lib$lib])
1005       else
1006         AC_MSG_RESULT(no)
1007       fi
1008   else
1009     AC_DEFINE(HAVE_RES_SEARCH, 1, [])
1010     AC_MSG_RESULT(yes)
1011   fi
1012
1013 fi
1014
1015 PTHREAD_LIBS=error
1016 if test "x$MKAFS_OSTYPE" = OBSD; then
1017         PTHREAD_LIBS="-pthread"
1018 fi
1019 if test "x$PTHREAD_LIBS" = xerror; then
1020         AC_CHECK_LIB(pthread, pthread_attr_init,
1021                 PTHREAD_LIBS="-lpthread")
1022 fi
1023 if test "x$PTHREAD_LIBS" = xerror; then
1024         AC_CHECK_LIB(pthreads, pthread_attr_init,
1025                 PTHREAD_LIBS="-lpthreads")
1026 fi
1027 if test "x$PTHREAD_LIBS" = xerror; then
1028         AC_CHECK_LIB(c_r, pthread_attr_init,
1029                 PTHREAD_LIBS="-lc_r")
1030 fi
1031 if test "x$PTHREAD_LIBS" = xerror; then
1032         AC_CHECK_FUNC(pthread_attr_init, PTHREAD_LIBS="")
1033 fi
1034 if test "x$PTHREAD_LIBS" = xerror; then
1035         # pthread_attr_init is a macro under HPUX 11.0 and 11.11
1036         AC_CHECK_LIB(pthread, pthread_attr_destroy,
1037                 PTHREAD_LIBS="-lpthread")
1038 fi
1039 if test "x$PTHREAD_LIBS" = xerror; then
1040         AC_MSG_WARN(*** Unable to locate working posix thread library ***)
1041 fi
1042 AC_SUBST(PTHREAD_LIBS)
1043
1044 HOST_CPU="$host_cpu"
1045
1046 if test "x$with_bsd_kernel_headers" != "x"; then
1047         BSD_KERNEL_PATH="$with_bsd_kernel_headers"
1048 else
1049         BSD_KERNEL_PATH="/usr/src/sys"
1050 fi
1051
1052 if test "x$with_bsd_kernel_build" != "x"; then
1053         BSD_KERNEL_BUILD="$with_bsd_kernel_build"
1054 else
1055         case $AFS_SYSNAME in
1056                 *_fbsd_4?)
1057                         BSD_KERNEL_BUILD="${BSD_KERNEL_PATH}/compile/GENERIC"
1058                         ;;
1059                 *_fbsd_*)
1060                         BSD_KERNEL_BUILD="${BSD_KERNEL_PATH}/${HOST_CPU}/compile/GENERIC"
1061                         ;;
1062         esac
1063 fi
1064
1065 # Fast restart
1066 if test "$enable_supergroups" = "yes"; then
1067         AC_DEFINE(SUPERGROUPS, 1, [define if you want to have support for nested pts groups])
1068 fi
1069
1070 if test "$enable_fast_restart" = "yes"; then
1071         AC_DEFINE(FAST_RESTART, 1, [define if you want to have fast restart])
1072 fi
1073
1074 if test "$enable_bitmap_later" = "yes"; then
1075         AC_DEFINE(BITMAP_LATER, 1, [define if you want to salvager to check bitmasks later])
1076 fi
1077
1078 if test "$enable_demand_attach_fs" = "yes"; then
1079         AC_DEFINE(DEMAND_ATTACH_ENABLE, 1, [define if you want the demand attach fileserver])
1080         DEMAND_ATTACH="yes"
1081 else
1082         DEMAND_ATTACH="no"
1083 fi
1084 AC_SUBST(DEMAND_ATTACH)
1085
1086 if test "$enable_unix_sockets" = "yes"; then
1087         AC_DEFINE(USE_UNIX_SOCKETS, 1, [define if you want to use UNIX sockets for fssync.])
1088         USE_UNIX_SOCKETS="yes"
1089 else
1090         USE_UNIX_SOCKETS="no"
1091 fi
1092 AC_SUBST(USE_UNIX_SOCKETS)
1093
1094 if test "$enable_fast_restart" = "yes" &&
1095    test "$enable_demand_attach_fs" = "yes" ; then
1096         AC_MSG_ERROR([The Demand Attach and Fast Restart extensions are mutually exclusive.  Demand Attach fileservers automatically salvage volumes in the background, thereby making Fast Restart pointless.])
1097         exit 1
1098 fi
1099
1100 if test "$enable_full_vos_listvol_switch" = "yes"; then
1101         AC_DEFINE(FULL_LISTVOL_SWITCH, 1, [define if you want to want listvol switch])
1102 fi
1103
1104 if test "$enable_bos_restricted_mode" = "yes"; then
1105         AC_DEFINE(BOS_RESTRICTED_MODE, 1, [define if you want to want bos restricted mode])
1106 fi
1107
1108 if test "$enable_bos_new_config" = "yes"; then
1109         AC_DEFINE(BOS_NEW_CONFIG, 1, [define if you want to enable automatic renaming of BosConfig.new to BosConfig at startup])
1110 fi
1111
1112 if test "$enable_largefile_fileserver" = "yes"; then
1113         AC_DEFINE(AFS_LARGEFILE_ENV, 1, [define if you want large file fileserver])
1114 fi
1115
1116 if test "$enable_namei_fileserver" = "yes"; then
1117         AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1118 fi
1119
1120 if test "$enable_afsdb" = "yes"; then
1121         LIB_AFSDB="$LIB_res_search"
1122         AC_DEFINE(AFS_AFSDB_ENV, 1, [define if you want to want search afsdb rr])
1123 fi
1124
1125 dnl check for tivoli
1126 AC_MSG_CHECKING(for tivoli tsm butc support)
1127 XBSA_CFLAGS=""
1128 if test "$enable_tivoli_tsm" = "yes"; then
1129         XBSADIR1=/usr/tivoli/tsm/client/api/bin/xopen
1130         XBSADIR2=/opt/tivoli/tsm/client/api/bin/xopen
1131
1132         if test -r "$XBSADIR1/xbsa.h"; then
1133                 XBSA_CFLAGS="-Dxbsa -I$XBSADIR1"
1134                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1135         elif test -r "$XBSADIR2/xbsa.h"; then
1136                 XBSA_CFLAGS="-Dxbsa -I$XBSADIR2"
1137                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1138         else
1139                 AC_MSG_RESULT([no, missing xbsa.h header file])
1140         fi
1141 else
1142         AC_MSG_RESULT([no])
1143 fi
1144 AC_SUBST(XBSA_CFLAGS)
1145
1146 dnl checks for header files.
1147 AC_HEADER_STDC
1148 AC_HEADER_SYS_WAIT
1149 AC_HEADER_DIRENT
1150 AC_CHECK_HEADERS(stdlib.h string.h unistd.h poll.h fcntl.h sys/time.h sys/file.h)
1151 AC_CHECK_HEADERS(netinet/in.h netdb.h sys/fcntl.h sys/mnttab.h sys/mntent.h)
1152 AC_CHECK_HEADERS(mntent.h sys/vfs.h sys/param.h sys/fs_types.h sys/fstyp.h)
1153 AC_CHECK_HEADERS(sys/mount.h strings.h termios.h signal.h)
1154 AC_CHECK_HEADERS(windows.h malloc.h winsock2.h direct.h io.h sys/user.h)
1155 AC_CHECK_HEADERS(security/pam_modules.h siad.h usersec.h ucontext.h regex.h values.h)
1156
1157 dnl Don't build PAM on IRIX; the interface doesn't work for us.
1158 if test "$ac_cv_header_security_pam_modules_h" = yes -a "$enable_pam" = yes; then
1159         case $AFS_SYSNAME in
1160         sgi_*)
1161                 HAVE_PAM="no"
1162                 ;;
1163         *)
1164                 HAVE_PAM="yes"
1165                 ;;
1166         esac
1167 else
1168         HAVE_PAM="no"
1169 fi
1170 AC_SUBST(HAVE_PAM)
1171
1172 if test "$enable_login" = yes; then
1173         BUILD_LOGIN="yes"
1174 else
1175         BUILD_LOGIN="no"
1176 fi
1177 AC_SUBST(BUILD_LOGIN)
1178
1179 AC_CHECK_FUNCS(utimes random srandom getdtablesize snprintf strlcat strlcpy re_comp re_exec flock)
1180 AC_CHECK_FUNCS(setprogname getprogname sigaction mkstemp vsnprintf strerror strcasestr)
1181 AC_CHECK_FUNCS(setvbuf)
1182 AC_FUNC_SETVBUF_REVERSED
1183 AC_CHECK_FUNCS(regcomp regexec regerror)
1184 AC_MSG_CHECKING([for POSIX regex library])
1185 if test "$ac_cv_header_regex_h" = "yes" && \
1186         test "$ac_cv_func_regcomp" = "yes" && \
1187         test "$ac_cv_func_regexec" = "yes" && \
1188         test "$ac_cv_func_regerror" = "yes"; then
1189     AC_DEFINE(HAVE_POSIX_REGEX, 1, [define if you have POSIX regex library])
1190     AC_MSG_RESULT(yes)
1191 else
1192     AC_MSG_RESULT(no)
1193 fi
1194
1195 AC_TYPE_SIGNAL
1196 AC_CHECK_TYPE(ssize_t, int)
1197 AC_CHECK_TYPE([sig_atomic_t], ,
1198     [AC_DEFINE([sig_atomic_t], [int],
1199         [Define to int if <signal.h> does not define.])],
1200 [#include <sys/types.h>
1201 #include <signal.h>])
1202 AC_SIZEOF_TYPE(long)
1203
1204 AC_MSG_CHECKING(size of time_t)
1205 AC_CACHE_VAL(ac_cv_sizeof_time_t,
1206 [AC_TRY_RUN([#include <stdio.h>
1207 #include <time.h>
1208 main()
1209 {
1210   FILE *f=fopen("conftestval", "w");
1211   if (!f) exit(1);
1212   fprintf(f, "%d\n", sizeof(time_t));
1213   exit(0);
1214 }], ac_cv_sizeof_time_t=`cat conftestval`, ac_cv_sizeof_time_t=0)
1215 ])
1216 AC_MSG_RESULT($ac_cv_sizeof_time_t)
1217 AC_DEFINE_UNQUOTED(SIZEOF_TIME_T, $ac_cv_sizeof_time_t)
1218
1219 AC_CHECK_FUNCS(timegm)
1220 AC_CHECK_FUNCS(daemon)
1221
1222 dnl Directory PATH handling
1223 if test "x$enable_transarc_paths" = "xyes"  ; then
1224     afsconfdir=${afsconfdir=/usr/afs/etc}
1225     viceetcdir=${viceetcdir=/usr/vice/etc}
1226     afskerneldir=${afskerneldir=${viceetcdir}}
1227     afssrvbindir=${afssrvbindir=/usr/afs/bin}
1228     afssrvsbindir=${afssrvsbindir=/usr/afs/bin}
1229     afssrvlibexecdir=${afssrvlibexecdir=/usr/afs/bin}
1230     afsdbdir=${afsdbdir=/usr/afs/db}
1231     afslogsdir=${afslogsdir=/usr/afs/logs}
1232     afslocaldir=${afslocaldir=/usr/afs/local}
1233     afsbackupdir=${afsbackupdir=/usr/afs/backup}
1234     afsbosconfigdir=${afsbosconfigdir=/usr/afs/local}
1235 else
1236     afsconfdir=${afsconfdir='${sysconfdir}/openafs/server'}
1237     viceetcdir=${viceetcdir='${sysconfdir}/openafs'}
1238     afskerneldir=${afskerneldir='${libdir}/openafs'}
1239     afssrvbindir=${afssrvbindir='${bindir}'}
1240     afssrvsbindir=${afssrvsbindir='${sbindir}'}
1241     afssrvlibexecdir=${afssrvlibexecdir='${libexecdir}/openafs'}
1242     afsdbdir=${afsdbdir='${localstatedir}/openafs/db'}
1243     afslogsdir=${afslogsdir='${localstatedir}/openafs/logs'}
1244     afslocaldir=${afslocaldir='${localstatedir}/openafs'}
1245     afsbackupdir=${afsbackupdir='${localstatedir}/openafs/backup'}
1246     afsbosconfigdir=${afsbosconfigdir='${sysconfdir}/openafs'}
1247 fi
1248 AC_SUBST(afsconfdir)
1249 AC_SUBST(viceetcdir)
1250 AC_SUBST(afskerneldir)
1251 AC_SUBST(afssrvbindir)
1252 AC_SUBST(afssrvsbindir)
1253 AC_SUBST(afssrvlibexecdir)
1254 AC_SUBST(afsdbdir)
1255 AC_SUBST(afslogsdir)
1256 AC_SUBST(afslocaldir)
1257 AC_SUBST(afsbackupdir)
1258 AC_SUBST(afsbosconfigdir)
1259
1260 if test "x$enable_kernel_module" = "xyes"; then
1261 ENABLE_KERNEL_MODULE=libafs
1262 fi
1263
1264 AC_SUBST(AFS_SYSNAME)
1265 AC_SUBST(AFS_PARAM_COMMON)
1266 AC_SUBST(ENABLE_KERNEL_MODULE)
1267 AC_SUBST(LIB_AFSDB)
1268 AC_SUBST(LINUX_KERNEL_PATH)
1269 AC_SUBST(HOST_CPU)
1270 AC_SUBST(BSD_KERNEL_PATH)
1271 AC_SUBST(BSD_KERNEL_BUILD)
1272 AC_SUBST(LINUX_VERSION)
1273 AC_SUBST(MKAFS_OSTYPE)
1274 AC_SUBST(TOP_OBJDIR)
1275 AC_SUBST(TOP_SRCDIR)
1276 AC_SUBST(TOP_INCDIR)
1277 AC_SUBST(TOP_LIBDIR)
1278 AC_SUBST(DEST)
1279 AC_SUBST(DARWIN_INFOFILE)
1280 AC_SUBST(IRIX_BUILD_IP35)
1281
1282 OPENAFS_OSCONF
1283 OPENAFS_KRB5CONF
1284
1285 TOP_SRCDIR="${srcdir}/src"
1286 dnl
1287 dnl If we're using ./configure, need a more reasonable TOP_SRCDIR, since relative links don't work everywhere
1288 dnl
1289 case $TOP_SRCDIR in
1290         /*)
1291                 ;;
1292         *)
1293                 TOP_SRCDIR=`cd $TOP_SRCDIR; pwd`
1294                 ;;
1295 esac
1296
1297 TOP_OBJDIR="${SRCDIR_PARENT}"
1298 TOP_INCDIR="${SRCDIR_PARENT}/include"
1299 TOP_LIBDIR="${SRCDIR_PARENT}/lib"
1300 if test "${DEST}x" = "x"; then
1301         DEST="${SRCDIR_PARENT}/${AFS_SYSNAME}/dest"
1302 fi
1303
1304 HELPER_SPLINT="${TOP_SRCDIR}/helper-splint.sh"
1305 HELPER_SPLINTCFG="${TOP_SRCDIR}/splint.cfg"
1306 AC_SUBST(HELPER_SPLINT)
1307 AC_SUBST(HELPER_SPLINTCFG)
1308
1309 mkdir -p ${TOP_OBJDIR}/src/JAVA/libjafs
1310
1311 ])