acinclude.m4

   1 dnl This file contains the common configuration code which would
   2 dnl otherwise be duplicated between configure and configure-libafs.
   3 dnl
   4 dnl NB: Because this code is a macro, references to positional shell
   5 dnl parameters must be done like $[]1 instead of $1
   6
   7 AC_DEFUN([OPENAFS_CONFIGURE_COMMON],[
   8 AH_BOTTOM([
   9 #undef HAVE_RES_SEARCH
  10 #undef STRUCT_SOCKADDR_HAS_SA_LEN
  11 #if !defined(__BIG_ENDIAN__) && !defined(__LITTLE_ENDIAN__)
  12 # if ENDIANESS_IN_SYS_PARAM_H
  13 #  ifndef KERNEL
  14 #   include <sys/types.h>
  15 #   include <sys/param.h>
  16 #   if BYTE_ORDER == BIG_ENDIAN
  17 #   define WORDS_BIGENDIAN 1
  18 #   endif
  19 #  else
  20 #   if defined(AUTOCONF_FOUND_BIGENDIAN)
  21 #    define WORDS_BIGENDIAN 1
  22 #   else
  23 #    undef WORDS_BIGENDIAN
  24 #   endif
  25 #  endif
  26 # else
  27 #  if defined(AUTOCONF_FOUND_BIGENDIAN)
  28 #   define WORDS_BIGENDIAN 1
  29 #  else
  30 #   undef WORDS_BIGENDIAN
  31 #  endif
  32 # endif
  33 #else
  34 # if defined(__BIG_ENDIAN__)
  35 #  define WORDS_BIGENDIAN 1
  36 # else
  37 #  undef WORDS_BIGENDIAN
  38 # endif
  39 #endif
  40 #ifdef UKERNEL
  41 /*
  42  * Always use 64-bit file offsets for UKERNEL code. Needed for UKERNEL stuff to
  43  * play nice with some other interfaces like FUSE. We technically only would
  44  * need to define this when building for such interfaces, but set it always to
  45  * try and reduce potential confusion.
  46  */
  47 #define _FILE_OFFSET_BITS 64
  48 #define AFS_CACHE_VNODE_PATH
  49 #endif
  50
  51 #undef AFS_NAMEI_ENV
  52 #undef BITMAP_LATER
  53 #undef FAST_RESTART
  54 #undef DEFINED_FOR_EACH_PROCESS
  55 #undef DEFINED_PREV_TASK
  56 #undef EXPORTED_SYS_CALL_TABLE
  57 #undef EXPORTED_IA32_SYS_CALL_TABLE
  58 #undef IRIX_HAS_MEM_FUNCS
  59 #undef RECALC_SIGPENDING_TAKES_VOID
  60 #undef STRUCT_FS_HAS_FS_ROLLED
  61 #undef ssize_t
  62 #undef HAVE_ARPA_NAMESER_COMPAT_H
  63 /* glue for RedHat kernel bug */
  64 #undef ENABLE_REDHAT_BUILDSYS
  65 #if defined(ENABLE_REDHAT_BUILDSYS) && defined(KERNEL) && defined(REDHAT_FIX)
  66 #include "redhat-fix.h"
  67 #endif])
  68
  69 AC_CANONICAL_HOST
  70 SRCDIR_PARENT=`pwd`
  71
  72 #BOZO_SAVE_CORES pam
  73
  74 dnl System identity.
  75 AC_ARG_WITH([afs-sysname],
  76     [AS_HELP_STRING([--with-afs-sysname=sys], [use sys for the afs sysname])])
  77
  78 dnl General feature options.
  79 AC_ARG_ENABLE([pam],
  80     [AS_HELP_STRING([--disable-pam], [disable PAM support])],
  81     ,
  82     [enable_pam="yes"])
  83 AC_ARG_ENABLE([namei-fileserver],
  84     [AS_HELP_STRING([--enable-namei-fileserver],
  85         [force compilation of namei fileserver in preference to inode
  86          fileserver])],
  87     ,
  88     [enable_namei_fileserver="default"])
  89 AC_ARG_ENABLE([cache-bypass],
  90     [AS_HELP_STRING([--enable-cache-bypass],
  91         [enable client support for cache bypass])],
  92     ,
  93     [enable_cache_bypass="no"])
  94 AC_ARG_ENABLE([supergroups],
  95     [AS_HELP_STRING([--enable-supergroups],
  96         [enable support for nested pts groups])],
  97     ,
  98     [enable_supergroups="no"])
  99 AC_ARG_ENABLE([fast-restart],
 100     [AS_HELP_STRING([--enable-fast-restart],
 101         [enable fast startup of file server without salvaging])],
 102     ,
 103     [enable_fast_restart="no"])
 104 AC_ARG_ENABLE([bitmap-later],
 105     [AS_HELP_STRING([--enable-bitmap-later],
 106         [enable fast startup of file server by not reading bitmap till
 107          needed])],
 108     ,
 109     [enable_bitmap_later="no"])
 110 AC_ARG_ENABLE([demand-attach-fs],
 111     [AS_HELP_STRING([--enable-demand-attach-fs],
 112         [enable Demand Attach Fileserver (please see documentation)])],
 113     ,
 114     [enable_demand_attach_fs="no"])
 115 AC_ARG_ENABLE([disconnected],
 116     [AS_HELP_STRING([--enable-disconnected],
 117         [enable disconnected support in cache manager (experimental)])],
 118     ,
 119     [enable_disconnected="no"])
 120 AC_ARG_ENABLE([unix-sockets],
 121     [AS_HELP_STRING([--enable-unix-sockets],
 122         [enable use of unix domain sockets for fssync])],
 123     ,
 124     [enable_unix_sockets="yes"])
 125 AC_ARG_ENABLE([icmp-pmtu-discovery],
 126     [AS_HELP_STRING([--enable-icmp-pmtu-discovery],
 127         [enable path MTU discovery by decoding ICMP unreachable replies])],
 128     ,
 129     [enable_icmp_pmtu_discovery="no"])
 130 AC_ARG_ENABLE([tivoli-tsm],
 131     [AS_HELP_STRING([--enable-tivoli-tsm],
 132         [enable use of the Tivoli TSM API libraries for butc support])],
 133     ,
 134     [enable_tivoli_tsm="no"])
 135 AC_ARG_ENABLE([pthreaded-ubik],
 136     [AS_HELP_STRING([--enable-pthreaded-ubik],
 137         [enable installation of pthreaded ubik applications (defaults to
 138          disabled)])],
 139     ,
 140     [enable_pthreaded_ubik="no"])
 141
 142 dnl Kernel module build options.
 143 AC_ARG_WITH([dux-kernel-headers],
 144     [AS_HELP_STRING([--with-dux-kernel-headers=path],
 145         [use the kernel headers found at path (optional, defaults to first
 146          match in /usr/sys)])])
 147 AC_ARG_WITH([linux-kernel-headers],
 148     [AS_HELP_STRING([--with-linux-kernel-headers=path],
 149         [use the kernel headers found at path (optional, defaults to
 150          /usr/src/linux-2.4, then /usr/src/linux)])])
 151 AC_ARG_WITH([linux-kernel-build],
 152     [AS_HELP_STRING([--with-linux-kernel-build=path],
 153         [use the kernel build found at path(optional, defaults to
 154         /usr/src/linux-2.4, then /usr/src/linux)])])
 155 AC_ARG_WITH([bsd-kernel-headers],
 156     [AS_HELP_STRING([--with-bsd-kernel-headers=path],
 157         [use the kernel headers found at path (optional, defaults to
 158          /usr/src/sys)])])
 159 AC_ARG_WITH([bsd-kernel-build],
 160     [AS_HELP_STRING([--with-bsd-kernel-build=path],
 161         [use the kernel build found at path (optional, defaults to
 162          KSRC/i386/compile/GENERIC)])])
 163 AC_ARG_WITH([linux-kernel-packaging],
 164     [AS_HELP_STRING([--with-linux-kernel-packaging],
 165         [use standard naming conventions to aid Linux kernel build packaging
 166          (disables MPS, sets the kernel module name to openafs.ko, and
 167          installs kernel modules into the standard Linux location)])],
 168     [AC_SUBST(LINUX_KERNEL_PACKAGING, "yes")
 169      AC_SUBST(LINUX_LIBAFS_NAME, "openafs")],
 170     [AC_SUBST(LINUX_LIBAFS_NAME, "libafs")])
 171 AC_ARG_ENABLE([kernel-module],
 172     [AS_HELP_STRING([--disable-kernel-module],
 173         [disable compilation of the kernel module (defaults to enabled)])],
 174     ,
 175     [enable_kernel_module="yes"])
 176 AC_ARG_ENABLE([redhat-buildsys],
 177     [AS_HELP_STRING([--enable-redhat-buildsys],
 178         [enable compilation of the redhat build system kernel (defaults to
 179          disabled)])],
 180     ,
 181     [enable_redhat_buildsys="no"])
 182
 183 dnl Installation locations.
 184 AC_ARG_ENABLE([transarc-paths],
 185     [AS_HELP_STRING([--enable-transarc-paths],
 186         [use Transarc style paths like /usr/afs and /usr/vice])],
 187     ,
 188     [enable_transarc_paths="no"])
 189
 190 dnl Optimization and debugging flags.
 191 AC_ARG_ENABLE([strip-binaries],
 192     [AS_HELP_STRING([--disable-strip-binaries],
 193         [disable stripping of symbol information from binaries (defaults to
 194          enabled)])],
 195     ,
 196     [enable_strip_binaries="maybe"])
 197 AC_ARG_ENABLE([debug],
 198     [AS_HELP_STRING([--enable-debug],
 199         [enable compilation of the user space code with debugging information
 200          (defaults to disabled)])],
 201     ,
 202     [enable_debug="no"])
 203 AC_ARG_ENABLE([optimize],
 204     [AS_HELP_STRING([--disable-optimize],
 205         [disable optimization for compilation of the user space code (defaults
 206          to enabled)])],
 207     ,
 208     [enable_optimize="yes"])
 209 AC_ARG_ENABLE([warnings],
 210     [AS_HELP_STRING([--enable-warnings],
 211         [enable compilation warnings when building with gcc (defaults to
 212          disabled)])],
 213     ,
 214     [enable_warnings="no"])
 215 AC_ARG_ENABLE([checking],
 216     [AS_HELP_STRING([--enable-checking],
 217         [turn compilation warnings into errors when building with gcc (defaults
 218          to disabled)])],
 219     [enable_checking="$enableval"],
 220     [enable_checking="no"])
 221 AC_ARG_ENABLE([debug-kernel],
 222     [AS_HELP_STRING([--enable-debug-kernel],
 223         [enable compilation of the kernel module with debugging information
 224          (defaults to disabled)])],
 225     ,
 226     [enable_debug_kernel="no"])
 227 AC_ARG_ENABLE([optimize-kernel],
 228     [AS_HELP_STRING([--disable-optimize-kernel],
 229         [disable compilation of the kernel module with optimization (defaults
 230          based on platform)])],
 231     ,
 232     [enable_optimize_kernel="yes"])
 233 AC_ARG_ENABLE([debug-lwp],
 234     [AS_HELP_STRING([--enable-debug-lwp],
 235         [enable compilation of the LWP code with debugging information
 236          (defaults to disabled)])],
 237     ,
 238     [enable_debug_lwp="no"])
 239 AC_ARG_ENABLE([optimize-lwp],
 240     [AS_HELP_STRING([--disable-optimize-lwp],
 241         [disable optimization for compilation of the LWP code (defaults to
 242          enabled)])],
 243     ,
 244     [enable_optimize_lwp="yes"])
 245 AC_ARG_ENABLE([debug-pam],
 246     [AS_HELP_STRING([--enable-debug-pam],
 247         [enable compilation of the PAM code with debugging information
 248          (defaults to disabled)])],
 249     ,
 250     [enable_debug_pam="no"])
 251 AC_ARG_ENABLE([optimize-pam],
 252     [AS_HELP_STRING([--disable-optimize-pam],
 253         [disable optimization for compilation of the PAM code (defaults to
 254          enabled)])],
 255     ,
 256     [enable_optimize_pam="yes"])
 257 AC_ARG_ENABLE([linux-syscall-probing],
 258     [AS_HELP_STRING([--disable-linux-syscall-probing],
 259         [disabling Linux syscall probing (defaults to enabled)])],
 260     ,
 261     [AC_DEFINE(ENABLE_LINUX_SYSCALL_PROBING, 1,
 262         [define to enable syscall table probes])])
 263
 264
 265 AC_ARG_WITH([xslt-processor],
 266         AS_HELP_STRING([--with-xslt-processor=ARG],
 267         [which XSLT processor to use (possible choices are: libxslt, saxon, xalan-j, xsltproc)]),
 268         XSLTPROC="$withval",
 269         XSLTPROC="libxslt")
 270
 271 AC_ARG_WITH([html-xsl],
 272         AS_HELP_STRING([--with-html-xsl],
 273         [build HTML documentation using Norman Walsh's DocBook XSL stylesheets (default is no; specify a path to chunk.xsl or docbook.xsl)]),
 274         HTML_XSL="$withval",
 275         HTML_XSL=no)
 276
 277 enable_login="no"
 278
 279 dnl weird ass systems
 280 dnl AC_AIX
 281 AC_ISC_POSIX
 282 dnl AC_MINIX
 283
 284 dnl Various compiler setup.
 285 AC_TYPE_PID_T
 286 AC_TYPE_SIZE_T
 287
 288 dnl Checks for programs.
 289 AC_PROG_INSTALL
 290 AC_PROG_LN_S
 291 AC_PROG_RANLIB
 292 AC_PROG_YACC
 293 AM_PROG_LEX
 294
 295 OPENAFS_CHECK_BIGENDIAN
 296 OPENAFS_PRINTF_TAKES_Z_LEN
 297
 298 AC_MSG_CHECKING(your OS)
 299 system=$host
 300 case $system in
 301         *-linux*)
 302
 303                 MKAFS_OSTYPE=LINUX
 304                 if test "x$enable_redhat_buildsys" = "xyes"; then
 305                  AC_DEFINE(ENABLE_REDHAT_BUILDSYS, 1, [define if you have redhat buildsystem])
 306                 fi
 307                 if test "x$enable_kernel_module" = "xyes"; then
 308                  if test "x$with_linux_kernel_headers" != "x"; then
 309                    LINUX_KERNEL_PATH="$with_linux_kernel_headers"
 310                  else
 311                    LINUX_KERNEL_PATH="/lib/modules/`uname -r`/source"
 312                    if test ! -f "$LINUX_KERNEL_PATH/include/linux/version.h"; then
 313                      LINUX_KERNEL_PATH="/lib/modules/`uname -r`/build"
 314                    fi
 315                    if test ! -f "$LINUX_KERNEL_PATH/include/linux/version.h"; then
 316                      LINUX_KERNEL_PATH="/usr/src/linux-2.4"
 317                    fi
 318                    if test ! -f "$LINUX_KERNEL_PATH/include/linux/version.h"; then
 319                      LINUX_KERNEL_PATH="/usr/src/linux"
 320                    fi
 321                  fi
 322                  if test "x$with_linux_kernel_build" != "x"; then
 323                          LINUX_KERNEL_BUILD="$with_linux_kernel_build"
 324                  else
 325                    LINUX_KERNEL_BUILD=$LINUX_KERNEL_PATH
 326                  fi
 327                  if test -f "$LINUX_KERNEL_BUILD/include/generated/utsrelease.h"; then
 328                    linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/generated/utsrelease.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
 329                    LINUX_VERSION="$linux_kvers"
 330                  else
 331                    if test -f "$LINUX_KERNEL_BUILD/include/linux/utsrelease.h"; then
 332                      linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/linux/utsrelease.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
 333                      LINUX_VERSION="$linux_kvers"
 334                    else
 335                      if test -f "$LINUX_KERNEL_BUILD/include/linux/version.h"; then
 336                        linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/linux/version.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
 337                        if test "x$linux_kvers" = "x"; then
 338                          if test -f "$LINUX_KERNEL_BUILD/include/linux/version-up.h"; then
 339                            linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/linux/version-up.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
 340                            if test "x$linux_kvers" = "x"; then
 341                              AC_MSG_ERROR(Linux headers lack version definition [2])
 342                              exit 1
 343                            else
 344                              LINUX_VERSION="$linux_kvers"
 345                            fi
 346                          else
 347                            AC_MSG_ERROR(Linux headers lack version definition)
 348                            exit 1
 349                          fi
 350                        else
 351                          LINUX_VERSION="$linux_kvers"
 352                        fi
 353                      else
 354                        enable_kernel_module="no"
 355                      fi
 356                    fi
 357                  fi
 358                  if test ! -f "$LINUX_KERNEL_BUILD/include/generated/autoconf.h" &&
 359                     test ! -f "$LINUX_KERNEL_BUILD/include/linux/autoconf.h"; then
 360                      enable_kernel_module="no"
 361                  fi
 362                  if test "x$enable_kernel_module" = "xno"; then
 363                   if test "x$with_linux_kernel_headers" != "x"; then
 364                    AC_MSG_ERROR(No usable linux headers found at $LINUX_KERNEL_PATH)
 365                    exit 1
 366                   else
 367                    AC_MSG_WARN(No usable linux headers found at $LINUX_KERNEL_PATH so disabling kernel module)
 368                   fi
 369                  fi
 370                  dnl do we need to determine SUBARCH from autoconf.h
 371                  SUBARCH=default
 372                 fi
 373                 AC_MSG_RESULT(linux)
 374                 if test "x$enable_kernel_module" = "xyes"; then
 375                  AFS_SYSKVERS=`echo $LINUX_VERSION | awk -F\. '{print $[]1 $[]2}'`
 376                  if test "x${AFS_SYSKVERS}" = "x"; then
 377                   AC_MSG_ERROR(Couldn't guess your Linux version [2])
 378                  fi
 379                 fi
 380                 ;;
 381         *-solaris*)
 382                 MKAFS_OSTYPE=SOLARIS
 383                 AC_MSG_RESULT(sun4)
 384                 AC_PATH_PROG(SOLARISCC, [cc], ,
 385                     [/opt/SUNWspro/bin:/opt/SunStudioExpress/bin])
 386                 SOLARIS_UFSVFS_HAS_DQRWLOCK
 387                 SOLARIS_FS_HAS_FS_ROLLED
 388                 SOLARIS_SOLOOKUP_TAKES_SOCKPARAMS
 389                 ;;
 390         *-sunos*)
 391                 MKAFS_OSTYPE=SUNOS
 392                 enable_kernel_module=no
 393                 AC_MSG_RESULT(sun4)
 394                 ;;
 395         *-hpux*)
 396                 MKAFS_OSTYPE=HPUX
 397                 AC_MSG_RESULT(hp_ux)
 398                 if test -f "/usr/old/usr/include/ndir.h"; then
 399                  AC_DEFINE(HAVE_USR_OLD_USR_INCLUDE_NDIR_H, 1, [define if you have old ndir.h])
 400                 fi
 401                 ;;
 402         *-irix*)
 403                 if test -d /usr/include/sys/SN/SN1; then
 404                  IRIX_BUILD_IP35="IP35"
 405                 fi
 406                 MKAFS_OSTYPE=IRIX
 407                 AC_MSG_RESULT(sgi)
 408                 ;;
 409         *-aix*)
 410                 MKAFS_OSTYPE=AIX
 411                 AC_MSG_RESULT(rs_aix)
 412                 ;;
 413         *-osf*)
 414                 MKAFS_OSTYPE=DUX
 415                 AC_MSG_RESULT(alpha_dux)
 416                 ;;
 417         powerpc-*-darwin*)
 418                 MKAFS_OSTYPE=DARWIN
 419                 AC_MSG_RESULT(ppc_darwin)
 420                 ;;
 421         i386-*-darwin*)
 422                 MKAFS_OSTYPE=DARWIN
 423                 AC_MSG_RESULT(x86_darwin)
 424                 ;;
 425         i386-*-freebsd*)
 426                 MKAFS_OSTYPE=FBSD
 427                 AC_MSG_RESULT(i386_fbsd)
 428                 ;;
 429         x86_64-*-freebsd*)
 430                 MKAFS_OSTYPE=FBSD
 431                 AC_MSG_RESULT(amd64_fbsd)
 432                 ;;
 433         *-netbsd*)
 434                 MKAFS_OSTYPE=NBSD
 435                 AC_MSG_RESULT(nbsd)
 436                 ;;
 437         x86_64-*-openbsd*)
 438                 MKAFS_OSTYPE=OBSD
 439                 AC_MSG_RESULT(amd64_obsd)
 440                 ;;
 441         i386-*-openbsd*)
 442                 MKAFS_OSTYPE=OBSD
 443                 AC_MSG_RESULT(i386_obsd)
 444                 ;;
 445         *-dragonfly*)
 446                 MKAFS_OSTYPE=DFBSD
 447                 AC_MSG_RESULT(i386_dfbsd)
 448                 ;;
 449         *)
 450                 AC_MSG_RESULT($system)
 451                 ;;
 452 esac
 453
 454 if test "x$with_afs_sysname" != "x"; then
 455         AFS_SYSNAME="$with_afs_sysname"
 456 else
 457         AC_MSG_CHECKING(your AFS sysname)
 458         case $host in
 459                 i?86-*-openbsd?.?)
 460                         v=${host#*openbsd}
 461                         vM=${v%.*}
 462                         vm=${v#*.}
 463                         AFS_SYSNAME="i386_obsd${vM}${vm}"
 464                         ;;
 465                 sparc64-*-openbsd?.?)
 466                         v=${host#*openbsd}
 467                         vM=${v%.*}
 468                         vm=${v#*.}
 469                         AFS_SYSNAME="sparc64_obsd${vM}${vm}"
 470                         ;;
 471                 x86_64-*-openbsd?.?)
 472                         v=${host#*openbsd}
 473                         vM=${v%.*}
 474                         vm=${v#*.}
 475                         AFS_SYSNAME="amd64_obsd${vM}${vm}"
 476                         ;;
 477                 i?86-*-freebsd?.*)
 478                         v=${host#*freebsd}
 479                         vM=${v%.*}
 480                         vm=${v#*.}
 481                         AFS_SYSNAME="i386_fbsd_${vM}${vm}"
 482                         ;;
 483                 x86_64-*-freebsd?.*)
 484                         v=${host#*freebsd}
 485                         vM=${v%.*}
 486                         vm=${v#*.}
 487                         AFS_SYSNAME="amd64_fbsd_${vM}${vm}"
 488                         ;;
 489                 i386-*-dragonfly2.2*)
 490                         AFS_SYSNAME="i386_dfbsd_23"
 491                         ;;
 492                 i386-*-dragonfly2.3*)
 493                         AFS_SYSNAME="i386_dfbsd_23"
 494                         ;;
 495                 i?86-*-netbsd*1.6[[M-Z]]*)
 496                         AFS_SYSNAME="i386_nbsd20"
 497                         ;;
 498                 powerpc-*-netbsd*1.6[[M-Z]]*)
 499                         AFS_SYSNAME="ppc_nbsd20"
 500                         ;;
 501                 *-*-netbsd*)
 502                         arch=${host%%-unknown*}
 503                         arch=$(echo $arch |sed -e 's/x86_64/amd64/g' \
 504                                                -e 's/powerpc/ppc/g')
 505                         v=${host#*netbsd}
 506                         v=${v#*aout}
 507                         v=${v#*ecoff}
 508                         v=${v#*elf}
 509                         vM=${v%%.*}
 510                         vM=${vM%.*}
 511                         v=${v#*.}
 512                         vm=${v%%.*}
 513                         vm=${vm%.*}
 514                         vm=${vm%%[[_A-Z]]*}
 515                         if test $vm -eq 99 ; then
 516                                 vM=$((vM+1))
 517                         fi
 518                         if test $vM -gt 1 ; then
 519                                 vm=0
 520                         fi
 521                         AFS_SYSNAME="${arch}_nbsd${vM}${vm}"
 522                         ;;
 523                 hppa*-hp-hpux11.0*)
 524                         AFS_SYSNAME="hp_ux110"
 525                         ;;
 526                 hppa*-hp-hpux11.11)
 527                         AFS_SYSNAME="hp_ux11i"
 528                         ;;
 529                 hppa*-hp-hpux11.23)
 530                         AFS_SYSNAME="hp_ux1123"
 531                         ;;
 532                 ia64-hp-hpux11.22)
 533                         AFS_SYSNAME="ia64_hpux1122"
 534                         ;;
 535                 ia64-hp-hpux*)
 536                         AFS_SYSNAME="ia64_hpux1123"
 537                         ;;
 538                 hppa*-hp-hpux10*)
 539                         AFS_SYSNAME="hp_ux102"
 540                         ;;
 541                 powerpc-apple-darwin7*)
 542                         AFS_SYSNAME="ppc_darwin_70"
 543                         ;;
 544                 powerpc-apple-darwin8.*)
 545                         AFS_SYSNAME="ppc_darwin_80"
 546                         ;;
 547                 i386-apple-darwin8.*)
 548                         AFS_SYSNAME="x86_darwin_80"
 549                         ;;
 550                 powerpc-apple-darwin9.*)
 551                         AFS_SYSNAME="ppc_darwin_90"
 552                         ;;
 553                 i386-apple-darwin9.*)
 554                         AFS_SYSNAME="x86_darwin_90"
 555                         ;;
 556                 i?86-apple-darwin10.*)
 557                         AFS_SYSNAME="x86_darwin_100"
 558                         ;;
 559                 sparc-sun-solaris2.5*)
 560                         AFS_SYSNAME="sun4x_55"
 561                         enable_login="yes"
 562                         ;;
 563                 sparc-sun-solaris2.6)
 564                         AFS_SYSNAME="sun4x_56"
 565                         ;;
 566                 sparc-sun-solaris2.7)
 567                         AFS_SYSNAME="sun4x_57"
 568                         ;;
 569                 sparc-sun-solaris2.8)
 570                         AFS_SYSNAME="sun4x_58"
 571                         ;;
 572                 sparc-sun-solaris2.9)
 573                         AFS_SYSNAME="sun4x_59"
 574                         ;;
 575                 sparc-sun-solaris2.10)
 576                         AFS_SYSNAME="sun4x_510"
 577                         ;;
 578                 sparc-sun-solaris2.11)
 579                         AFS_SYSNAME="sun4x_511"
 580                         ;;
 581                 sparc-sun-sunos4*)
 582                         AFS_SYSNAME="sun4_413"
 583                         enable_login="yes"
 584                         ;;
 585                 i386-pc-solaris2.7)
 586                         AFS_SYSNAME="sunx86_57"
 587                         ;;
 588                 i386-pc-solaris2.8)
 589                         AFS_SYSNAME="sunx86_58"
 590                         ;;
 591                 i386-pc-solaris2.9)
 592                         AFS_SYSNAME="sunx86_59"
 593                         ;;
 594                 i386-pc-solaris2.10)
 595                         AFS_SYSNAME="sunx86_510"
 596                         ;;
 597                 i386-pc-solaris2.11)
 598                         AFS_SYSNAME="sunx86_511"
 599                         ;;
 600                 alpha*-dec-osf4.0*)
 601                         AFS_SYSNAME="alpha_dux40"
 602                         ;;
 603                 alpha*-dec-osf5.0*)
 604                         AFS_SYSNAME="alpha_dux50"
 605                         ;;
 606                 alpha*-dec-osf5.1*)
 607                         AFS_SYSNAME="alpha_dux51"
 608                         ;;
 609                 mips-sgi-irix6.5)
 610                         AFS_SYSNAME="sgi_65"
 611                         ;;
 612                 ia64-*-linux*)
 613                         AFS_SYSNAME="ia64_linuxXX"
 614                         ;;
 615                 powerpc-*-linux*)
 616                         AFS_SYSNAME="`/bin/arch`_linuxXX"
 617                         ;;
 618                 powerpc64-*-linux*)
 619                         AFS_SYSNAME="ppc64_linuxXX"
 620                         ;;
 621                 alpha*-linux*)
 622                         AFS_SYSNAME="alpha_linux_XX"
 623                         ;;
 624                 s390-*-linux*)
 625                         AFS_SYSNAME="s390_linuxXX"
 626                         ;;
 627                 s390x-*-linux*)
 628                         AFS_SYSNAME="s390x_linuxXX"
 629                         ;;
 630                 sparc-*-linux*)
 631                         AFS_SYSNAME="`/bin/arch`_linuxXX"
 632                         ;;
 633                 sparc64-*-linux*)
 634                         AFS_SYSNAME="sparc64_linuxXX"
 635                         ;;
 636                 i?86-*-linux*)
 637                         AFS_SYSNAME="i386_linuxXX"
 638                         ;;
 639                 arm*-linux*)
 640                         AFS_SYSNAME="arm_linuxXX"
 641                         ;;
 642                 parisc-*-linux-gnu|hppa-*-linux-gnu)
 643                         AFS_SYSNAME="parisc_linuxXX"
 644                         enable_pam="no"
 645                         ;;
 646                 power*-ibm-aix4.2*)
 647                         AFS_SYSNAME="rs_aix42"
 648                         enable_pam="no"
 649                         ;;
 650                 power*-ibm-aix4.3*)
 651                         AFS_SYSNAME="rs_aix42"
 652                         enable_pam="no"
 653                         ;;
 654                 power*-ibm-aix5.1*)
 655                         AFS_SYSNAME="rs_aix51"
 656                         enable_pam="no"
 657                         ;;
 658                 power*-ibm-aix5.2*)
 659                         AFS_SYSNAME="rs_aix52"
 660                         enable_pam="no"
 661                         ;;
 662                 power*-ibm-aix5.3*)
 663                         AFS_SYSNAME="rs_aix53"
 664                         enable_pam="no"
 665                         ;;
 666                 power*-ibm-aix6.1*)
 667                         AFS_SYSNAME="rs_aix61"
 668                         enable_pam="no"
 669                         ;;
 670                 x86_64-*-linux-gnu)
 671                         AFS_SYSNAME="amd64_linuxXX"
 672                         enable_pam="yes"
 673                         ;;
 674                 *)
 675                         AC_MSG_ERROR(An AFS sysname is required)
 676                         exit 1
 677                         ;;
 678         esac
 679         case $AFS_SYSNAME in
 680                 *_linux* | *_umlinux*)
 681                         if test "x${AFS_SYSKVERS}" = "x"; then
 682                          AC_MSG_ERROR(Couldn't guess your Linux version. Please use the --with-afs-sysname option to configure an AFS sysname.)
 683                         fi
 684                         _AFS_SYSNAME=`echo $AFS_SYSNAME|sed s/XX\$/$AFS_SYSKVERS/`
 685                         AFS_SYSNAME="$_AFS_SYSNAME"
 686                         AC_TRY_KBUILD(
 687                          [],
 688                          [#ifndef CONFIG_USERMODE
 689                           #error not UML
 690                           #endif],
 691                          ac_cv_linux_is_uml=yes,)
 692                         if test "${ac_cv_linux_is_uml}" = yes; then
 693                          _AFS_SYSNAME=`echo $AFS_SYSNAME|sed s/linux/umlinux/`
 694                         fi
 695                         AFS_SYSNAME="$_AFS_SYSNAME"
 696                         ;;
 697         esac
 698         AC_MSG_RESULT($AFS_SYSNAME)
 699 fi
 700
 701 case $AFS_SYSNAME in
 702         *_darwin*)
 703                 DARWIN_PLIST=src/libafs/afs.${AFS_SYSNAME}.plist
 704                 DARWIN_INFOFILE=afs.${AFS_SYSNAME}.plist
 705                 ;;
 706 esac
 707
 708 dnl Some hosts have a separate common param file they should include.  Figure
 709 dnl out if we're on one of them now that we know the sysname.
 710 case $AFS_SYSNAME in
 711     *_nbsd15)   AFS_PARAM_COMMON=param.nbsd15.h  ;;
 712     *_nbsd16)   AFS_PARAM_COMMON=param.nbsd16.h  ;;
 713     *_nbsd20)   AFS_PARAM_COMMON=param.nbsd20.h  ;;
 714     *_nbsd21)   AFS_PARAM_COMMON=param.nbsd21.h  ;;
 715     *_nbsd30)   AFS_PARAM_COMMON=param.nbsd30.h  ;;
 716     *_nbsd40)   AFS_PARAM_COMMON=param.nbsd40.h  ;;
 717     *_nbsd50)   AFS_PARAM_COMMON=param.nbsd50.h  ;;
 718     *_obsd31)   AFS_PARAM_COMMON=param.obsd31.h  ;;
 719     *_obsd32)   AFS_PARAM_COMMON=param.obsd32.h  ;;
 720     *_obsd33)   AFS_PARAM_COMMON=param.obsd33.h  ;;
 721     *_obsd34)   AFS_PARAM_COMMON=param.obsd34.h  ;;
 722     *_obsd35)   AFS_PARAM_COMMON=param.obsd35.h  ;;
 723     *_obsd36)   AFS_PARAM_COMMON=param.obsd36.h  ;;
 724     *_obsd37)   AFS_PARAM_COMMON=param.obsd37.h  ;;
 725     *_obsd38)   AFS_PARAM_COMMON=param.obsd38.h  ;;
 726     *_obsd39)   AFS_PARAM_COMMON=param.obsd39.h  ;;
 727     *_obsd40)   AFS_PARAM_COMMON=param.obsd40.h  ;;
 728     *_obsd41)   AFS_PARAM_COMMON=param.obsd41.h  ;;
 729     *_obsd42)   AFS_PARAM_COMMON=param.obsd42.h  ;;
 730     *_obsd43)   AFS_PARAM_COMMON=param.obsd43.h  ;;
 731     *_obsd44)   AFS_PARAM_COMMON=param.obsd44.h  ;;
 732     *_obsd45)   AFS_PARAM_COMMON=param.obsd45.h  ;;
 733     *_obsd46)   AFS_PARAM_COMMON=param.obsd46.h  ;;
 734     *_linux22)  AFS_PARAM_COMMON=param.linux22.h ;;
 735     *_linux24)  AFS_PARAM_COMMON=param.linux24.h ;;
 736     *_linux26)  AFS_PARAM_COMMON=param.linux26.h ;;
 737 # Linux alpha adds an extra underscore for no good reason.
 738     *_linux_22) AFS_PARAM_COMMON=param.linux22.h ;;
 739     *_linux_24) AFS_PARAM_COMMON=param.linux24.h ;;
 740     *_linux_26) AFS_PARAM_COMMON=param.linux26.h ;;
 741 esac
 742
 743 case $AFS_SYSNAME in *_linux* | *_umlinux*)
 744
 745                 # Add (sub-) architecture-specific paths needed by conftests
 746                 case $AFS_SYSNAME  in
 747                         *_umlinux26)
 748                                 UMLINUX26_FLAGS="-I$LINUX_KERNEL_PATH/arch/um/include"
 749                                 UMLINUX26_FLAGS="$UMLINUX26_FLAGS -I$LINUX_KERNEL_PATH/arch/um/kernel/tt/include"
 750                                 UMLINUX26_FLAGS="$UMLINUX26_FLAGS -I$LINUX_KERNEL_PATH/arch/um/kernel/skas/include"
 751                                 CPPFLAGS="$CPPFLAGS $UMLINUX26_FLAGS"
 752                 esac
 753
 754                 if test "x$enable_kernel_module" = "xyes"; then
 755                  if test "x$enable_debug_kernel" = "xno"; then
 756                         LINUX_GCC_KOPTS="$LINUX_GCC_KOPTS -fomit-frame-pointer"
 757                  fi
 758                  OPENAFS_GCC_SUPPORTS_MARCH
 759                  AC_SUBST(P5PLUS_KOPTS)
 760                  OPENAFS_GCC_NEEDS_NO_STRENGTH_REDUCE
 761                  OPENAFS_GCC_NEEDS_NO_STRICT_ALIASING
 762                  OPENAFS_GCC_SUPPORTS_NO_COMMON
 763                  OPENAFS_GCC_SUPPORTS_PIPE
 764                  AC_SUBST(LINUX_GCC_KOPTS)
 765
 766                  dnl Setup the kernel build environment
 767                  LINUX_KBUILD_USES_EXTRA_CFLAGS
 768                  LINUX_KERNEL_COMPILE_WORKS
 769
 770                  dnl Check for header files
 771                  AC_CHECK_LINUX_HEADER([config.h])
 772                  AC_CHECK_LINUX_HEADER([completion.h])
 773                  AC_CHECK_LINUX_HEADER([exportfs.h])
 774                  AC_CHECK_LINUX_HEADER([freezer.h])
 775                  AC_CHECK_LINUX_HEADER([key-type.h])
 776                  AC_CHECK_LINUX_HEADER([semaphore.h])
 777                  AC_CHECK_LINUX_HEADER([seq_file.h])
 778
 779                  dnl Check for structure elements
 780                  AC_CHECK_LINUX_STRUCT([address_space_operations],
 781                                        [write_begin], [fs.h])
 782                  AC_CHECK_LINUX_STRUCT([backing_dev_info], [name],
 783                                        [backing-dev.h])
 784                  AC_CHECK_LINUX_STRUCT([inode], [i_alloc_sem], [fs.h])
 785                  AC_CHECK_LINUX_STRUCT([inode], [i_blkbits], [fs.h])
 786                  AC_CHECK_LINUX_STRUCT([inode], [i_blksize], [fs.h])
 787                  AC_CHECK_LINUX_STRUCT([inode], [i_mutex], [fs.h])
 788                  AC_CHECK_LINUX_STRUCT([inode], [i_security], [fs.h])
 789                  AC_CHECK_LINUX_STRUCT([file_operations], [flock], [fs.h])
 790                  AC_CHECK_LINUX_STRUCT([file_operations], [sendfile], [fs.h])
 791                  AC_CHECK_LINUX_STRUCT([nameidata], [path], [namei.h])
 792                  AC_CHECK_LINUX_STRUCT([proc_dir_entry], [owner], [proc_fs.h])
 793                  AC_CHECK_LINUX_STRUCT([super_block], [s_bdi], [fs.h])
 794                  AC_CHECK_LINUX_STRUCT([super_operations], [alloc_inode],
 795                                        [fs.h])
 796                  AC_CHECK_LINUX_STRUCT([task_struct], [cred], [sched.h])
 797                  AC_CHECK_LINUX_STRUCT([task_struct], [exit_state], [sched.h])
 798                  AC_CHECK_LINUX_STRUCT([task_struct], [parent], [sched.h])
 799                  AC_CHECK_LINUX_STRUCT([task_struct], [real_parent], [sched.h])
 800                  AC_CHECK_LINUX_STRUCT([task_struct], [rlim], [sched.h])
 801                  AC_CHECK_LINUX_STRUCT([task_struct], [sig], [sched.h])
 802                  AC_CHECK_LINUX_STRUCT([task_struct], [sighand], [sched.h])
 803                  AC_CHECK_LINUX_STRUCT([task_struct], [sigmask_lock], [sched.h])
 804                  AC_CHECK_LINUX_STRUCT([task_struct], [tgid], [sched.h])
 805                  AC_CHECK_LINUX_STRUCT([task_struct], [thread_info], [sched.h])
 806                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_SIGNAL_RLIM
 807
 808                  dnl Function existence checks
 809
 810                  AC_CHECK_LINUX_FUNC([bdi_init],
 811                                      [#include <linux/backing-dev.h>],
 812                                      [bdi_init(NULL);])
 813                  AC_CHECK_LINUX_FUNC([PageChecked],
 814                                      [#include <linux/mm.h>
 815 #include <linux/page-flags.h>],
 816                                      [struct page *_page;
 817                                       int bchecked = PageChecked(_page);])
 818                  AC_CHECK_LINUX_FUNC([PageFsMisc],
 819                                      [#include <linux/mm.h>
 820 #include <linux/page-flags.h>],
 821                                      [struct page *_page;
 822                                       int bchecked = PageFsMisc(_page);])
 823                  AC_CHECK_LINUX_FUNC([ctl_table], [ctl_name], [sysctl.h])
 824                  AC_CHECK_LINUX_FUNC([current_kernel_time],
 825                                      [#include <linux/time.h>],
 826                                      [struct timespec s;
 827                                       s = current_kernel_time();])
 828                  AC_CHECK_LINUX_FUNC([d_alloc_anon],
 829                                      [#include <linux/dcache.h>],
 830                                      [d_alloc_anon(NULL);])
 831                  AC_CHECK_LINUX_FUNC([do_sync_read],
 832                                      [#include <linux/fs.h>],
 833                                      [do_sync_read(NULL, NULL, 0, NULL);])
 834                  AC_CHECK_LINUX_FUNC([find_task_by_pid],
 835                                      [#include <linux/sched.h>],
 836                                      [pid_t p; find_task_by_pid(p);])
 837                  AC_CHECK_LINUX_FUNC([generic_file_aio_read],
 838                                      [#include <linux/fs.h>],
 839                                      [generic_file_aio_read(NULL,NULL,0,0);])
 840                  AC_CHECK_LINUX_FUNC([grab_cache_page_write_begin],
 841                                      [#include <linux/pagemap.h>],
 842                                      [grab_cache_page_write_begin(NULL, 0, 0);])
 843                  AC_CHECK_LINUX_FUNC([hlist_unhashed],
 844                                      [#include <linux/list.h>],
 845                                      [hlist_unhashed(0);])
 846                  AC_CHECK_LINUX_FUNC([i_size_read],
 847                                      [#include <linux/fs.h>],
 848                                      [i_size_read(NULL);])
 849                  AC_CHECK_LINUX_FUNC([iget],
 850                                      [#include <linux/fs.h>],
 851                                      [iget(NULL, NULL);])
 852                  AC_CHECK_LINUX_FUNC([kernel_setsockopt],
 853                                      [#include <linux/net.h>],
 854                                      [kernel_setsockopt(NULL, 0, 0, NULL, 0);])
 855                  AC_CHECK_LINUX_FUNC([page_follow_link],
 856                                      [#include <linux/fs.h>],
 857                                      [page_follow_link(0,0);])
 858                  AC_CHECK_LINUX_FUNC([page_offset],
 859                                      [#include <linux/pagemap.h>],
 860                                      [page_offset(NULL);])
 861                  AC_CHECK_LINUX_FUNC([pagevec_lru_add_file],
 862                                      [#include <linux/pagevec.h>],
 863                                      [__pagevec_lru_add_file(NULL);])
 864                  AC_CHECK_LINUX_FUNC([rcu_read_lock],
 865                                      [#include <linux/rcupdate.h>],
 866                                      [rcu_read_lock();])
 867                  AC_CHECK_LINUX_FUNC([splice_direct_to_actor],
 868                                      [#include <linux/splice.h>],
 869                                      [splice_direct_to_actor(NULL,NULL,NULL);])
 870                  AC_CHECK_LINUX_FUNC([svc_addr_in],
 871                                      [#include <linux/sunrpc/svc.h>],
 872                                      [svc_addr_in(NULL);])
 873                  AC_CHECK_LINUX_FUNC([vfs_llseek],
 874                                      [#include <linux/fs.h>],
 875                                      [vfs_llseek(NULL, 0, 0);])
 876                  AC_CHECK_LINUX_FUNC([zero_user_segments],
 877                                      [#include <linux/highmem.h>],
 878                                      [zero_user_segments(NULL, 0, 0, 0, 0);])
 879
 880                  dnl Consequences - things which get set as a result of the
 881                  dnl                above tests
 882                  AS_IF([test "x$ac_cv_linux_func_iget" = "xno"],
 883                        [AC_DEFINE([LINUX_USE_FH], 1,
 884                           [define to use linux file handles for cache files])])
 885                  AS_IF([test "x$ac_cv_linux_func_d_alloc_anon" = "xno"],
 886                        [AC_DEFINE([AFS_NONFSTRANS], 1,
 887                                   [define to disable the nfs translator])])
 888
 889                  dnl Assorted more complex tests
 890                  LINUX_EXPORTS_PROC_ROOT_FS
 891                  LINUX_KMEM_CACHE_INIT
 892                  LINUX_HAVE_KMEM_CACHE_T
 893                  LINUX_KMEM_CACHE_CREATE_TAKES_DTOR
 894                  LINUX_KMEM_CACHE_CREATE_CTOR_TAKES_VOID
 895                  LINUX_D_PATH_TAKES_STRUCT_PATH
 896                  LINUX_NEW_EXPORT_OPS
 897                  LINUX_INODE_SETATTR_RETURN_TYPE
 898                  LINUX_IOP_I_CREATE_TAKES_NAMEIDATA
 899                  LINUX_IOP_I_LOOKUP_TAKES_NAMEIDATA
 900                  LINUX_IOP_I_PERMISSION_TAKES_NAMEIDATA
 901                  LINUX_IOP_I_PUT_LINK_TAKES_COOKIE
 902                  LINUX_DOP_D_REVALIDATE_TAKES_NAMEIDATA
 903                  LINUX_FOP_F_FLUSH_TAKES_FL_OWNER_T
 904                  LINUX_AOP_WRITEBACK_CONTROL
 905                  LINUX_FS_STRUCT_FOP_HAS_SPLICE
 906                  LINUX_KERNEL_POSIX_LOCK_FILE_WAIT_ARG
 907                  LINUX_POSIX_TEST_LOCK_RETURNS_CONFLICT
 908                  LINUX_POSIX_TEST_LOCK_CONFLICT_ARG
 909                  LINUX_KERNEL_SOCK_CREATE
 910                  LINUX_EXPORTS_KEY_TYPE_KEYRING
 911                  LINUX_KEYS_HAVE_SESSION_TO_PARENT
 912                  LINUX_NEED_RHCONFIG
 913                  LINUX_RECALC_SIGPENDING_ARG_TYPE
 914                  LINUX_EXPORTS_TASKLIST_LOCK
 915                  LINUX_GET_SB_HAS_STRUCT_VFSMOUNT
 916                  LINUX_STATFS_TAKES_DENTRY
 917                  LINUX_REFRIGERATOR
 918                  LINUX_HAVE_TRY_TO_FREEZE
 919                  LINUX_LINUX_KEYRING_SUPPORT
 920                  LINUX_KEY_ALLOC_NEEDS_STRUCT_TASK
 921                  LINUX_KEY_ALLOC_NEEDS_CRED
 922                  LINUX_INIT_WORK_HAS_DATA
 923                  LINUX_REGISTER_SYSCTL_TABLE_NOFLAG
 924                  LINUX_EXPORTS_INIT_MM
 925                  LINUX_EXPORTS_SYS_CHDIR
 926                  LINUX_EXPORTS_SYS_OPEN
 927
 928                  dnl Packaging and SMP build
 929                  if test "x$with_linux_kernel_packaging" = "xno" ; then
 930                    LINUX_WHICH_MODULES
 931                  else
 932                    AC_SUBST(MPS,'SP')
 933                  fi
 934
 935                  dnl Syscall probing
 936                  if test "x$ac_cv_linux_config_modversions" = "xno" -o $AFS_SYSKVERS -ge 26; then
 937                    AC_MSG_WARN([Cannot determine sys_call_table status. assuming it isn't exported])
 938                    ac_cv_linux_exports_sys_call_table=no
 939                    if test -f "$LINUX_KERNEL_PATH/include/asm/ia32_unistd.h"; then
 940                      ac_cv_linux_exports_ia32_sys_call_table=yes
 941                    fi
 942                  else
 943                    LINUX_EXPORTS_KALLSYMS_ADDRESS
 944                    LINUX_EXPORTS_KALLSYMS_SYMBOL
 945                    LINUX_EXPORTS_SYS_CALL_TABLE
 946                    LINUX_EXPORTS_IA32_SYS_CALL_TABLE
 947                    if test "x$ac_cv_linux_exports_sys_call_table" = "xno"; then
 948                          linux_syscall_method=none
 949                          if test "x$ac_cv_linux_exports_init_mm" = "xyes"; then
 950                             linux_syscall_method=scan
 951                             if test "x$ac_cv_linux_exports_kallsyms_address" = "xyes"; then
 952                                linux_syscall_method=scan_with_kallsyms_address
 953                             fi
 954                          fi
 955                          if test "x$ac_cv_linux_exports_kallsyms_symbol" = "xyes"; then
 956                             linux_syscall_method=kallsyms_symbol
 957                          fi
 958                          if test "x$linux_syscall_method" = "xnone"; then
 959                             AC_MSG_WARN([no available sys_call_table access method -- guessing scan])
 960                             linux_syscall_method=scan
 961                          fi
 962                    fi
 963                  fi
 964                  if test -f "$LINUX_KERNEL_PATH/include/linux/in_systm.h"; then
 965                   AC_DEFINE(HAVE_IN_SYSTM_H, 1, [define if you have in_systm.h header file])
 966                  fi
 967                  if test -f "$LINUX_KERNEL_PATH/include/linux/mm_inline.h"; then
 968                   AC_DEFINE(HAVE_MM_INLINE_H, 1, [define if you have mm_inline.h header file])
 969                  fi
 970                  if test "x$ac_cv_linux_kernel_page_follow_link" = "xyes" -o "x$ac_cv_linux_func_i_put_link_takes_cookie" = "xyes"; then
 971                   AC_DEFINE(USABLE_KERNEL_PAGE_SYMLINK_CACHE, 1, [define if your kernel has a usable symlink cache API])
 972                  else
 973                   AC_MSG_WARN([your kernel does not have a usable symlink cache API])
 974                  fi
 975                 :
 976                 fi
 977 esac
 978
 979 AC_CACHE_CHECK([if struct sockaddr has sa_len field],
 980     [ac_cv_sockaddr_len],
 981     [AC_TRY_COMPILE( [#include <sys/types.h>
 982 #include <sys/socket.h>],
 983                      [struct sockaddr *a; a->sa_len=0;],
 984                      [ac_cv_sockaddr_len=yes],
 985                      [ac_cv_sockaddr_len=no])
 986 ])
 987 AS_IF([test "$ac_cv_sockaddr_len" = "yes"],
 988       [AC_DEFINE(STRUCT_SOCKADDR_HAS_SA_LEN, 1,
 989                  [define if you struct sockaddr sa_len])])
 990
 991 if test "x${MKAFS_OSTYPE}" = "xIRIX"; then
 992         echo Skipping library tests because they confuse Irix.
 993 else
 994   AC_SEARCH_LIBS([socket], [socket inet])
 995   AC_SEARCH_LIBS([connect], [nsl])
 996   AC_SEARCH_LIBS([gethostbyname], [dns nsl resolv])
 997
 998   dnl darwin wants it, aix hates it
 999   AC_MSG_CHECKING(for the useability of arpa/nameser_compat.h)
1000   AC_TRY_COMPILE([
1001   #include <stdlib.h>
1002   #include <stdio.h>
1003   #include <sys/types.h>
1004   #include <sys/socket.h>
1005   #include <netinet/in.h>
1006   #include <arpa/inet.h>
1007   #include <arpa/nameser.h>
1008   #include <arpa/nameser_compat.h>
1009   #include <resolv.h>
1010   ], [static int i; i = 0;],
1011   [AC_MSG_RESULT(yes)
1012    AC_DEFINE(HAVE_ARPA_NAMESER_COMPAT_H, 1, [define if arpa/nameser_compat.h exists])],
1013   [AC_MSG_RESULT(no)
1014    ])
1015
1016   openafs_save_libs="$LIBS"
1017   AC_MSG_CHECKING([for res_search])
1018   AC_FUNC_RES_SEARCH
1019
1020   if test "$ac_cv_func_res_search" = no; then
1021       for lib in dns nsl resolv; do
1022         if test "$ac_cv_func_res_search" != yes; then
1023           LIBS="-l$lib $LIBS"
1024           AC_FUNC_RES_SEARCH
1025           LIBS="$openafs_save_libs"
1026         fi
1027       done
1028       if test "$ac_cv_func_res_search" = yes; then
1029         LIB_AFSDB="-l$lib"
1030         AC_DEFINE(HAVE_RES_SEARCH, 1, [])
1031         AC_MSG_RESULT([yes, in lib$lib])
1032       else
1033         AC_MSG_RESULT(no)
1034       fi
1035   else
1036     AC_DEFINE(HAVE_RES_SEARCH, 1, [])
1037     AC_MSG_RESULT(yes)
1038   fi
1039
1040 fi
1041
1042 AC_CHECK_RESOLV_RETRANS
1043
1044 AC_CACHE_CHECK([for setsockopt(, SOL_IP, IP_RECVERR)],
1045     [ac_cv_setsockopt_iprecverr],
1046     [AC_TRY_COMPILE( [
1047 #include <sys/types.h>
1048 #include <sys/socket.h>
1049 #include <netinet/in.h>],
1050 [int on=1;
1051 setsockopt(0, SOL_IP, IP_RECVERR, &on, sizeof(on));],
1052         [ac_cv_setsockopt_iprecverr=yes],
1053         [ac_cv_setsockopt_iprecverr=no])])
1054
1055 AS_IF([test "$ac_cv_setsockopt_iprecverr" = "yes"],
1056       [AC_DEFINE(ADAPT_PMTU_RECVERR, 1,
1057                  [define if asynchronous socket errors can be received])])
1058
1059 PTHREAD_LIBS=error
1060 if test "x$MKAFS_OSTYPE" = OBSD; then
1061         PTHREAD_LIBS="-pthread"
1062 fi
1063 if test "x$MKAFS_OSTYPE" = xDFBSD; then
1064         PTHREAD_LIBS="-pthread"
1065 fi
1066 if test "x$PTHREAD_LIBS" = xerror; then
1067         AC_CHECK_LIB(pthread, pthread_attr_init,
1068                 PTHREAD_LIBS="-lpthread")
1069 fi
1070 if test "x$PTHREAD_LIBS" = xerror; then
1071         AC_CHECK_LIB(pthreads, pthread_attr_init,
1072                 PTHREAD_LIBS="-lpthreads")
1073 fi
1074 if test "x$PTHREAD_LIBS" = xerror; then
1075         AC_CHECK_LIB(c_r, pthread_attr_init,
1076                 PTHREAD_LIBS="-lc_r")
1077 fi
1078 if test "x$PTHREAD_LIBS" = xerror; then
1079         AC_CHECK_FUNC(pthread_attr_init, PTHREAD_LIBS="")
1080 fi
1081 if test "x$PTHREAD_LIBS" = xerror; then
1082         # pthread_attr_init is a macro under HPUX 11.0 and 11.11
1083         AC_CHECK_LIB(pthread, pthread_attr_destroy,
1084                 PTHREAD_LIBS="-lpthread")
1085 fi
1086 if test "x$PTHREAD_LIBS" = xerror; then
1087         AC_MSG_WARN(*** Unable to locate working posix thread library ***)
1088 fi
1089 AC_SUBST(PTHREAD_LIBS)
1090
1091 HOST_CPU="$host_cpu"
1092
1093 if test "x$with_bsd_kernel_headers" != "x"; then
1094         BSD_KERNEL_PATH="$with_bsd_kernel_headers"
1095 else
1096         BSD_KERNEL_PATH="/usr/src/sys"
1097 fi
1098
1099 if test "x$with_bsd_kernel_build" != "x"; then
1100         BSD_KERNEL_BUILD="$with_bsd_kernel_build"
1101 else
1102         case $AFS_SYSNAME in
1103                 *_fbsd_*)
1104                         BSD_KERNEL_BUILD="${BSD_KERNEL_PATH}/${HOST_CPU}/compile/GENERIC"
1105                         ;;
1106                 *_nbsd*)
1107                         BSD_KERNEL_BUILD="${BSD_KERNEL_PATH}/arch/${HOST_CPU}/compile/GENERIC"
1108         esac
1109 fi
1110
1111 # Fast restart
1112 if test "$enable_supergroups" = "yes"; then
1113         AC_DEFINE(SUPERGROUPS, 1, [define if you want to have support for nested pts groups])
1114 fi
1115
1116 if test "$enable_fast_restart" = "yes"; then
1117         AC_DEFINE(FAST_RESTART, 1, [define if you want to have fast restart])
1118 fi
1119
1120 if test "$enable_bitmap_later" = "yes"; then
1121         AC_DEFINE(BITMAP_LATER, 1, [define if you want to salvager to check bitmasks later])
1122 fi
1123
1124 if test "$enable_demand_attach_fs" = "yes"; then
1125         AC_DEFINE(DEMAND_ATTACH_ENABLE, 1, [define if you want the demand attach fileserver])
1126         DEMAND_ATTACH="yes"
1127 else
1128         DEMAND_ATTACH="no"
1129 fi
1130 AC_SUBST(DEMAND_ATTACH)
1131
1132 if test "$enable_disconnected" = "yes"; then
1133         AC_DEFINE(AFS_DISCON_ENV, 1, [define if you want support for disconnected operation])
1134 fi
1135
1136 if test "$enable_unix_sockets" = "yes"; then
1137         AC_DEFINE(USE_UNIX_SOCKETS, 1, [define if you want to use UNIX sockets for fssync.])
1138         USE_UNIX_SOCKETS="yes"
1139 else
1140         USE_UNIX_SOCKETS="no"
1141 fi
1142 AC_SUBST(USE_UNIX_SOCKETS)
1143
1144 if test "$enable_fast_restart" = "yes" &&
1145    test "$enable_demand_attach_fs" = "yes" ; then
1146         AC_MSG_ERROR([The Demand Attach and Fast Restart extensions are mutually exclusive.  Demand Attach fileservers automatically salvage volumes in the background, thereby making Fast Restart pointless.])
1147         exit 1
1148 fi
1149
1150 if test "$enable_icmp_pmtu_discovery" = "yes"; then
1151    if test "$ac_cv_setsockopt_iprecverr" = "yes"; then
1152         AC_DEFINE(ADAPT_PMTU, 1, [define if you want to decode icmp unreachable packets to discover path mtu])
1153    fi
1154 fi
1155
1156 if test "$enable_cache_bypass" = "yes"; then
1157         AC_DEFINE(AFS_CACHE_BYPASS, 1, [define to activate cache bypassing Unix client])
1158 fi
1159
1160 if test "$enable_namei_fileserver" = "yes"; then
1161         AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1162         VFSCK=""
1163 else
1164         if test "$enable_namei_fileserver" = "default"; then
1165                 case $host in
1166                         *-solaris2.10*)
1167                                 AC_MSG_WARN(Some Solaris 10 versions are not safe with the inode fileserver. Forcing namei. Override with --disable-namei-fileserver)
1168                                 AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1169                                 VFSCK=""
1170                                 ;;
1171                         *-solaris2.11*)
1172                                 AC_MSG_WARN(Solaris 11 versions are not safe with the inode fileserver. Forcing namei. Override with --disable-namei-fileserver)
1173                                 AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1174                                 VFSCK=""
1175                                 ;;
1176                         *)
1177                                 VFSCK="vfsck"
1178                                 ;;
1179                 esac
1180         else
1181                 VFSCK="vfsck"
1182         fi
1183 fi
1184
1185 dnl check for tivoli
1186 AC_MSG_CHECKING(for tivoli tsm butc support)
1187 XBSA_CFLAGS=""
1188 if test "$enable_tivoli_tsm" = "yes"; then
1189         XBSADIR1=/usr/tivoli/tsm/client/api/bin/xopen
1190         XBSADIR2=/opt/tivoli/tsm/client/api/bin/xopen
1191         XBSADIR3=/usr/tivoli/tsm/client/api/bin/sample
1192         XBSADIR4=/opt/tivoli/tsm/client/api/bin/sample
1193
1194         if test -r "$XBSADIR3/dsmapifp.h"; then
1195                 XBSA_CFLAGS="-Dxbsa -DNEW_XBSA -I$XBSADIR3"
1196                 XBSA_XLIBS="-ldl"
1197                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1198         elif test -r "$XBSADIR4/dsmapifp.h"; then
1199                 XBSA_CFLAGS="-Dxbsa -DNEW_XBSA -I$XBSADIR4"
1200                 XBSA_XLIBS="-ldl"
1201                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1202         elif test -r "$XBSADIR1/xbsa.h"; then
1203                 XBSA_CFLAGS="-Dxbsa -I$XBSADIR1"
1204                 XBSA_XLIBS=""
1205                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1206         elif test -r "$XBSADIR2/xbsa.h"; then
1207                 XBSA_CFLAGS="-Dxbsa -I$XBSADIR2"
1208                 XBSA_XLIBS=""
1209                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1210         else
1211                 AC_MSG_RESULT([no, missing xbsa.h and dsmapifp.h header files])
1212         fi
1213 else
1214         AC_MSG_RESULT([no])
1215 fi
1216 AC_SUBST(XBSA_CFLAGS)
1217 AC_SUBST(XBSA_XLIBS)
1218
1219 dnl checks for header files.
1220 AC_HEADER_STDC
1221 AC_HEADER_SYS_WAIT
1222 AC_HEADER_DIRENT
1223 AC_CHECK_HEADERS(stdlib.h string.h unistd.h fcntl.h sys/time.h sys/file.h grp.h)
1224 AC_CHECK_HEADERS(netinet/in.h netdb.h sys/fcntl.h sys/mnttab.h sys/mntent.h)
1225 AC_CHECK_HEADERS(mntent.h sys/vfs.h sys/param.h sys/fs_types.h sys/fstyp.h)
1226 AC_CHECK_HEADERS(sys/mount.h strings.h termios.h signal.h sys/pag.h)
1227 AC_CHECK_HEADERS(windows.h direct.h sys/ipc.h)
1228 AC_CHECK_HEADERS(security/pam_modules.h ucontext.h regex.h sys/statvfs.h sys/statfs.h sys/bitypes.h)
1229 AC_CHECK_HEADERS(linux/errqueue.h,,,[#include <linux/types.h>])
1230 AC_CHECK_HEADERS(et/com_err.h)
1231
1232 AC_CHECK_TYPES([fsblkcnt_t],,,[
1233 #include <sys/types.h>
1234 #ifdef HAVE_SYS_BITYPES_H
1235 #include <sys/bitypes.h>
1236 #endif
1237 #ifdef HAVE_SYS_STATFS_H
1238 #include <sys/statfs.h>
1239 #endif
1240 #ifdef HAVE_SYS_STATVFS_H
1241 #include <sys/statvfs.h>
1242 #endif
1243 ])
1244
1245 OPENAFS_TEST_PACKAGE(libintl,[#include <libintl.h>],[-lintl],,,INTL)
1246
1247 dnl Don't build PAM on IRIX; the interface doesn't work for us.
1248 if test "$ac_cv_header_security_pam_modules_h" = yes -a "$enable_pam" = yes; then
1249         case $AFS_SYSNAME in
1250         sgi_*)
1251                 HAVE_PAM="no"
1252                 ;;
1253         *)
1254                 HAVE_PAM="yes"
1255                 ;;
1256         esac
1257 else
1258         HAVE_PAM="no"
1259 fi
1260 AC_SUBST(HAVE_PAM)
1261
1262 if test "$enable_login" = yes; then
1263         BUILD_LOGIN="yes"
1264 else
1265         BUILD_LOGIN="no"
1266 fi
1267 AC_SUBST(BUILD_LOGIN)
1268
1269 AC_CHECK_FUNCS(snprintf strlcat strlcpy flock)
1270 AC_CHECK_FUNCS(setprogname getprogname sigaction mkstemp vsnprintf strerror strcasestr)
1271 AC_CHECK_FUNCS(setvbuf vsyslog getcwd)
1272 AC_CHECK_FUNCS(regcomp regexec regerror)
1273 AC_MSG_CHECKING([for POSIX regex library])
1274 if test "$ac_cv_header_regex_h" = "yes" && \
1275         test "$ac_cv_func_regcomp" = "yes" && \
1276         test "$ac_cv_func_regexec" = "yes" && \
1277         test "$ac_cv_func_regerror" = "yes"; then
1278     AC_DEFINE(HAVE_POSIX_REGEX, 1, [define if you have POSIX regex library])
1279     AC_MSG_RESULT(yes)
1280 else
1281     AC_MSG_RESULT(no)
1282 fi
1283
1284 AC_TYPE_SIGNAL
1285 AC_CHECK_SIZEOF(void *)
1286 AC_CHECK_SIZEOF(unsigned long long)
1287 AC_CHECK_SIZEOF(unsigned long)
1288 AC_CHECK_SIZEOF(unsigned int)
1289 AC_TYPE_INTPTR_T
1290 AC_TYPE_UINTPTR_T
1291 AC_CHECK_TYPES([ssize_t])
1292 AC_CHECK_TYPES([sig_atomic_t],[],[],
1293 [#include <sys/types.h>
1294 #include <signal.h>])
1295 AC_CHECK_TYPES([socklen_t],[],[],
1296 [#include <sys/types.h>
1297 #include <sys/socket.h>])
1298 AC_SIZEOF_TYPE(long)
1299
1300 AC_HEADER_PAM_CONST
1301
1302 AC_CHECK_FUNCS(timegm)
1303 AC_CHECK_FUNCS(daemon)
1304
1305 dnl Directory PATH handling
1306 if test "x$enable_transarc_paths" = "xyes"  ; then
1307     afsconfdir=${afsconfdir=/usr/afs/etc}
1308     viceetcdir=${viceetcdir=/usr/vice/etc}
1309     afskerneldir=${afskerneldir=${viceetcdir}}
1310     afssrvbindir=${afssrvbindir=/usr/afs/bin}
1311     afssrvsbindir=${afssrvsbindir=/usr/afs/bin}
1312     afssrvlibexecdir=${afssrvlibexecdir=/usr/afs/bin}
1313     afsdbdir=${afsdbdir=/usr/afs/db}
1314     afslogsdir=${afslogsdir=/usr/afs/logs}
1315     afslocaldir=${afslocaldir=/usr/afs/local}
1316     afsbackupdir=${afsbackupdir=/usr/afs/backup}
1317     afsbosconfigdir=${afsbosconfigdir=/usr/afs/local}
1318     afsdatadir=${afsdatadir=/usr/vice/etc}
1319 else
1320     afsconfdir=${afsconfdir='${sysconfdir}/openafs/server'}
1321     viceetcdir=${viceetcdir='${sysconfdir}/openafs'}
1322     afskerneldir=${afskerneldir='${libdir}/openafs'}
1323     afssrvbindir=${afssrvbindir='${bindir}'}
1324     afssrvsbindir=${afssrvsbindir='${sbindir}'}
1325     afssrvlibexecdir=${afssrvlibexecdir='${libexecdir}/openafs'}
1326     afsdbdir=${afsdbdir='${localstatedir}/openafs/db'}
1327     afslogsdir=${afslogsdir='${localstatedir}/openafs/logs'}
1328     afslocaldir=${afslocaldir='${localstatedir}/openafs'}
1329     afsbackupdir=${afsbackupdir='${localstatedir}/openafs/backup'}
1330     afsbosconfigdir=${afsbosconfigdir='${sysconfdir}/openafs'}
1331     afsdatadir=${afsdatadir='${datadir}/openafs'}
1332 fi
1333 AC_SUBST(afsconfdir)
1334 AC_SUBST(viceetcdir)
1335 AC_SUBST(afskerneldir)
1336 AC_SUBST(afssrvbindir)
1337 AC_SUBST(afssrvsbindir)
1338 AC_SUBST(afssrvlibexecdir)
1339 AC_SUBST(afsdbdir)
1340 AC_SUBST(afslogsdir)
1341 AC_SUBST(afslocaldir)
1342 AC_SUBST(afsbackupdir)
1343 AC_SUBST(afsbosconfigdir)
1344 AC_SUBST(afsdatadir)
1345
1346 if test "x$enable_kernel_module" = "xyes"; then
1347 ENABLE_KERNEL_MODULE=libafs
1348 fi
1349
1350 if test "x$enable_pthreaded_ubik" = "xyes"; then
1351 ENABLE_PTHREADED_UBIK=yes
1352 fi
1353
1354 AC_SUBST(VFSCK)
1355 AC_SUBST(AFS_SYSNAME)
1356 AC_SUBST(AFS_PARAM_COMMON)
1357 AC_SUBST(ENABLE_KERNEL_MODULE)
1358 AC_SUBST(ENABLE_PTHREADED_UBIK)
1359 AC_SUBST(LIB_AFSDB)
1360 AC_SUBST(LINUX_KERNEL_PATH)
1361 AC_SUBST(LINUX_KERNEL_BUILD)
1362 AC_SUBST(HOST_CPU)
1363 AC_SUBST(BSD_KERNEL_PATH)
1364 AC_SUBST(BSD_KERNEL_BUILD)
1365 AC_SUBST(LINUX_VERSION)
1366 AC_SUBST(MKAFS_OSTYPE)
1367 AC_SUBST(TOP_OBJDIR)
1368 AC_SUBST(TOP_SRCDIR)
1369 AC_SUBST(TOP_INCDIR)
1370 AC_SUBST(TOP_LIBDIR)
1371 AC_SUBST(DEST)
1372 AC_SUBST(DARWIN_INFOFILE)
1373 AC_SUBST(IRIX_BUILD_IP35)
1374 AC_SUBST(HTML_XSL)
1375 AC_SUBST(XSLTPROC)
1376
1377 OPENAFS_OSCONF
1378 OPENAFS_KRB5CONF
1379 OPENAFS_FUSE
1380
1381 TOP_SRCDIR="${srcdir}/src"
1382 dnl
1383 dnl If we're using ./configure, need a more reasonable TOP_SRCDIR, since relative links don't work everywhere
1384 dnl
1385 case $TOP_SRCDIR in
1386         /*)
1387                 ;;
1388         *)
1389                 TOP_SRCDIR=`cd $TOP_SRCDIR; pwd`
1390                 ;;
1391 esac
1392
1393 TOP_OBJDIR="${SRCDIR_PARENT}"
1394 TOP_INCDIR="${SRCDIR_PARENT}/include"
1395 TOP_LIBDIR="${SRCDIR_PARENT}/lib"
1396 if test "${DEST}x" = "x"; then
1397         DEST="${SRCDIR_PARENT}/${AFS_SYSNAME}/dest"
1398 fi
1399
1400 HELPER_SPLINT="${TOP_SRCDIR}/helper-splint.sh"
1401 HELPER_SPLINTCFG="${TOP_SRCDIR}/splint.cfg"
1402 AC_SUBST(HELPER_SPLINT)
1403 AC_SUBST(HELPER_SPLINTCFG)
1404
1405 mkdir -p ${TOP_OBJDIR}/src/JAVA/libjafs
1406
1407 ])