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([supergroups],
  90     [AS_HELP_STRING([--enable-supergroups],
  91         [enable support for nested pts groups])],
  92     ,
  93     [enable_supergroups="no"])
  94 AC_ARG_ENABLE([bitmap-later],
  95     [AS_HELP_STRING([--enable-bitmap-later],
  96         [enable fast startup of file server by not reading bitmap till
  97          needed])],
  98     ,
  99     [enable_bitmap_later="no"])
 100 AC_ARG_ENABLE([demand-attach-fs],
 101     [AS_HELP_STRING([--enable-demand-attach-fs],
 102         [enable Demand Attach Fileserver (please see documentation)])],
 103     ,
 104     [enable_demand_attach_fs="no"])
 105 AC_ARG_ENABLE([unix-sockets],
 106     [AS_HELP_STRING([--disable-unix-sockets],
 107         [disable use of unix domain sockets for fssync (defaults to enabled)])],
 108     ,
 109     [enable_unix_sockets="yes"])
 110 AC_ARG_ENABLE([icmp-pmtu-discovery],
 111     [AS_HELP_STRING([--enable-icmp-pmtu-discovery],
 112         [enable path MTU discovery by decoding ICMP unreachable replies])],
 113     ,
 114     [enable_icmp_pmtu_discovery="no"])
 115 AC_ARG_ENABLE([tivoli-tsm],
 116     [AS_HELP_STRING([--enable-tivoli-tsm],
 117         [enable use of the Tivoli TSM API libraries for butc support])],
 118     ,
 119     [enable_tivoli_tsm="no"])
 120 AC_ARG_ENABLE([pthreaded-ubik],
 121     [AS_HELP_STRING([--enable-pthreaded-ubik],
 122         [enable installation of pthreaded ubik applications (defaults to
 123          disabled)])],
 124     ,
 125     [enable_pthreaded_ubik="no"])
 126
 127 dnl Kernel module build options.
 128 AC_ARG_WITH([linux-kernel-headers],
 129     [AS_HELP_STRING([--with-linux-kernel-headers=path],
 130         [use the kernel headers found at path (optional, defaults to
 131          /usr/src/linux-2.4, then /usr/src/linux)])])
 132 AC_ARG_WITH([linux-kernel-build],
 133     [AS_HELP_STRING([--with-linux-kernel-build=path],
 134         [use the kernel build found at path(optional, defaults to
 135         /usr/src/linux-2.4, then /usr/src/linux)])])
 136 AC_ARG_WITH([bsd-kernel-headers],
 137     [AS_HELP_STRING([--with-bsd-kernel-headers=path],
 138         [use the kernel headers found at path (optional, defaults to
 139          /usr/src/sys)])])
 140 AC_ARG_WITH([bsd-kernel-build],
 141     [AS_HELP_STRING([--with-bsd-kernel-build=path],
 142         [use the kernel build found at path (optional, defaults to
 143          KSRC/i386/compile/GENERIC)])])
 144 AC_ARG_WITH([linux-kernel-packaging],
 145     [AS_HELP_STRING([--with-linux-kernel-packaging],
 146         [use standard naming conventions to aid Linux kernel build packaging
 147          (disables MPS, sets the kernel module name to openafs.ko, and
 148          installs kernel modules into the standard Linux location)])],
 149     [AC_SUBST(LINUX_KERNEL_PACKAGING, "yes")
 150      AC_SUBST(LINUX_LIBAFS_NAME, "openafs")],
 151     [AC_SUBST(LINUX_LIBAFS_NAME, "libafs")])
 152 AC_ARG_ENABLE([kernel-module],
 153     [AS_HELP_STRING([--disable-kernel-module],
 154         [disable compilation of the kernel module (defaults to enabled)])],
 155     ,
 156     [enable_kernel_module="yes"])
 157 AC_ARG_ENABLE([redhat-buildsys],
 158     [AS_HELP_STRING([--enable-redhat-buildsys],
 159         [enable compilation of the redhat build system kernel (defaults to
 160          disabled)])],
 161     ,
 162     [enable_redhat_buildsys="no"])
 163
 164 dnl Installation locations.
 165 AC_ARG_ENABLE([transarc-paths],
 166     [AS_HELP_STRING([--enable-transarc-paths],
 167         [use Transarc style paths like /usr/afs and /usr/vice])],
 168     ,
 169     [enable_transarc_paths="no"])
 170
 171 dnl Optimization and debugging flags.
 172 AC_ARG_ENABLE([strip-binaries],
 173     [AS_HELP_STRING([--disable-strip-binaries],
 174         [disable stripping of symbol information from binaries (defaults to
 175          enabled)])],
 176     ,
 177     [enable_strip_binaries="maybe"])
 178 AC_ARG_ENABLE([debug],
 179     [AS_HELP_STRING([--enable-debug],
 180         [enable compilation of the user space code with debugging information
 181          (defaults to disabled)])],
 182     ,
 183     [enable_debug="no"])
 184 AC_ARG_ENABLE([optimize],
 185     [AS_HELP_STRING([--disable-optimize],
 186         [disable optimization for compilation of the user space code (defaults
 187          to enabled)])],
 188     ,
 189     [enable_optimize="yes"])
 190 AC_ARG_ENABLE([warnings],
 191     [AS_HELP_STRING([--enable-warnings],
 192         [enable compilation warnings when building with gcc (defaults to
 193          disabled)])],
 194     ,
 195     [enable_warnings="no"])
 196 AC_ARG_ENABLE([checking],
 197     [AS_HELP_STRING([--enable-checking],
 198         [turn compilation warnings into errors when building with gcc (defaults
 199          to disabled)])],
 200     [enable_checking="$enableval"],
 201     [enable_checking="no"])
 202 AC_ARG_ENABLE([debug-kernel],
 203     [AS_HELP_STRING([--enable-debug-kernel],
 204         [enable compilation of the kernel module with debugging information
 205          (defaults to disabled)])],
 206     ,
 207     [enable_debug_kernel="no"])
 208 AC_ARG_ENABLE([optimize-kernel],
 209     [AS_HELP_STRING([--disable-optimize-kernel],
 210         [disable compilation of the kernel module with optimization (defaults
 211          based on platform)])],
 212     ,
 213     [enable_optimize_kernel="yes"])
 214 AC_ARG_ENABLE([debug-lwp],
 215     [AS_HELP_STRING([--enable-debug-lwp],
 216         [enable compilation of the LWP code with debugging information
 217          (defaults to disabled)])],
 218     ,
 219     [enable_debug_lwp="no"])
 220 AC_ARG_ENABLE([optimize-lwp],
 221     [AS_HELP_STRING([--disable-optimize-lwp],
 222         [disable optimization for compilation of the LWP code (defaults to
 223          enabled)])],
 224     ,
 225     [enable_optimize_lwp="yes"])
 226 AC_ARG_ENABLE([debug-pam],
 227     [AS_HELP_STRING([--enable-debug-pam],
 228         [enable compilation of the PAM code with debugging information
 229          (defaults to disabled)])],
 230     ,
 231     [enable_debug_pam="no"])
 232 AC_ARG_ENABLE([optimize-pam],
 233     [AS_HELP_STRING([--disable-optimize-pam],
 234         [disable optimization for compilation of the PAM code (defaults to
 235          enabled)])],
 236     ,
 237     [enable_optimize_pam="yes"])
 238 AC_ARG_ENABLE([linux-syscall-probing],
 239     [AS_HELP_STRING([--enable-linux-syscall-probing],
 240         [enable Linux syscall probing (defaults to autodetect)])],
 241     ,
 242     [enable_linux_syscall_probing="maybe"])
 243
 244
 245 AC_ARG_WITH([xslt-processor],
 246         AS_HELP_STRING([--with-xslt-processor=ARG],
 247         [which XSLT processor to use (possible choices are: libxslt, saxon, xalan-j, xsltproc)]),
 248         XSLTPROC="$withval",
 249         XSLTPROC="libxslt")
 250
 251 AC_ARG_WITH([html-xsl],
 252         AS_HELP_STRING([--with-html-xsl],
 253         [build HTML documentation using Norman Walsh's DocBook XSL stylesheets (default is no; specify a path to chunk.xsl or docbook.xsl)]),
 254         HTML_XSL="$withval",
 255         HTML_XSL=no)
 256
 257 enable_login="no"
 258
 259 dnl weird ass systems
 260 dnl AC_AIX
 261 AC_ISC_POSIX
 262 dnl AC_MINIX
 263
 264 dnl Various compiler setup.
 265 AC_TYPE_PID_T
 266 AC_TYPE_SIZE_T
 267
 268 dnl Checks for programs.
 269 AC_PROG_INSTALL
 270 AC_PROG_LN_S
 271 AC_PROG_RANLIB
 272 AC_PROG_YACC
 273 AM_PROG_LEX
 274
 275 OPENAFS_CHECK_BIGENDIAN
 276 OPENAFS_PRINTF_TAKES_Z_LEN
 277
 278 AC_MSG_CHECKING(your OS)
 279 system=$host
 280 case $system in
 281         *-linux*)
 282
 283                 MKAFS_OSTYPE=LINUX
 284                 if test "x$enable_redhat_buildsys" = "xyes"; then
 285                  AC_DEFINE(ENABLE_REDHAT_BUILDSYS, 1, [define if you have redhat buildsystem])
 286                 fi
 287                 if test "x$enable_kernel_module" = "xyes"; then
 288                  if test "x$with_linux_kernel_headers" != "x"; then
 289                    LINUX_KERNEL_PATH="$with_linux_kernel_headers"
 290                  else
 291                    LINUX_KERNEL_PATH="/lib/modules/`uname -r`/source"
 292                    if test ! -f "$LINUX_KERNEL_PATH/include/linux/version.h"; then
 293                      LINUX_KERNEL_PATH="/lib/modules/`uname -r`/build"
 294                    fi
 295                    if test ! -f "$LINUX_KERNEL_PATH/include/linux/version.h"; then
 296                      LINUX_KERNEL_PATH="/usr/src/linux-2.4"
 297                    fi
 298                    if test ! -f "$LINUX_KERNEL_PATH/include/linux/version.h"; then
 299                      LINUX_KERNEL_PATH="/usr/src/linux"
 300                    fi
 301                  fi
 302                  if test "x$with_linux_kernel_build" != "x"; then
 303                          LINUX_KERNEL_BUILD="$with_linux_kernel_build"
 304                  else
 305                    LINUX_KERNEL_BUILD=$LINUX_KERNEL_PATH
 306                  fi
 307                  if test -f "$LINUX_KERNEL_BUILD/include/generated/utsrelease.h"; then
 308                    linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/generated/utsrelease.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
 309                    LINUX_VERSION="$linux_kvers"
 310                  else
 311                    if test -f "$LINUX_KERNEL_BUILD/include/linux/utsrelease.h"; then
 312                      linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/linux/utsrelease.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
 313                      LINUX_VERSION="$linux_kvers"
 314                    else
 315                      if test -f "$LINUX_KERNEL_BUILD/include/linux/version.h"; then
 316                        linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/linux/version.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
 317                        if test "x$linux_kvers" = "x"; then
 318                          if test -f "$LINUX_KERNEL_BUILD/include/linux/version-up.h"; then
 319                            linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/linux/version-up.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
 320                            if test "x$linux_kvers" = "x"; then
 321                              AC_MSG_ERROR(Linux headers lack version definition [2])
 322                              exit 1
 323                            else
 324                              LINUX_VERSION="$linux_kvers"
 325                            fi
 326                          else
 327                            AC_MSG_ERROR(Linux headers lack version definition)
 328                            exit 1
 329                          fi
 330                        else
 331                          LINUX_VERSION="$linux_kvers"
 332                        fi
 333                      else
 334                        enable_kernel_module="no"
 335                      fi
 336                    fi
 337                  fi
 338                  if test ! -f "$LINUX_KERNEL_BUILD/include/generated/autoconf.h" &&
 339                     test ! -f "$LINUX_KERNEL_BUILD/include/linux/autoconf.h"; then
 340                      enable_kernel_module="no"
 341                  fi
 342                  if test "x$enable_kernel_module" = "xno"; then
 343                   if test "x$with_linux_kernel_headers" != "x"; then
 344                    AC_MSG_ERROR(No usable linux headers found at $LINUX_KERNEL_PATH)
 345                    exit 1
 346                   else
 347                    AC_MSG_WARN(No usable linux headers found at $LINUX_KERNEL_PATH so disabling kernel module)
 348                   fi
 349                  fi
 350                  dnl do we need to determine SUBARCH from autoconf.h
 351                  SUBARCH=default
 352                 fi
 353                 AC_MSG_RESULT(linux)
 354                 if test "x$enable_kernel_module" = "xyes"; then
 355                  AFS_SYSKVERS=`echo $LINUX_VERSION | awk -F\. '{print $[]1 $[]2}'`
 356                  if test "x${AFS_SYSKVERS}" = "x"; then
 357                   AC_MSG_ERROR(Couldn't guess your Linux version [2])
 358                  fi
 359                 fi
 360                 ;;
 361         *-solaris*)
 362                 MKAFS_OSTYPE=SOLARIS
 363                 AC_MSG_RESULT(sun4)
 364                 AC_PATH_PROG(SOLARISCC, [cc], ,
 365                     [/opt/SUNWspro/bin:/opt/SunStudioExpress/bin])
 366                 SOLARIS_UFSVFS_HAS_DQRWLOCK
 367                 SOLARIS_FS_HAS_FS_ROLLED
 368                 SOLARIS_SOLOOKUP_TAKES_SOCKPARAMS
 369                 ;;
 370         *-sunos*)
 371                 MKAFS_OSTYPE=SUNOS
 372                 enable_kernel_module=no
 373                 AC_MSG_RESULT(sun4)
 374                 ;;
 375         *-hpux*)
 376                 MKAFS_OSTYPE=HPUX
 377                 AC_MSG_RESULT(hp_ux)
 378                 if test -f "/usr/old/usr/include/ndir.h"; then
 379                  AC_DEFINE(HAVE_USR_OLD_USR_INCLUDE_NDIR_H, 1, [define if you have old ndir.h])
 380                 fi
 381                 ;;
 382         *-irix*)
 383                 if test -d /usr/include/sys/SN/SN1; then
 384                  IRIX_BUILD_IP35="IP35"
 385                 fi
 386                 MKAFS_OSTYPE=IRIX
 387                 AC_MSG_RESULT(sgi)
 388                 ;;
 389         *-aix*)
 390                 MKAFS_OSTYPE=AIX
 391                 AC_MSG_RESULT(rs_aix)
 392                 ;;
 393         arm-*-darwin*)
 394                 MKAFS_OSTYPE=DARWIN
 395                 AC_MSG_RESULT(arm_darwin)
 396                 ;;
 397         powerpc-*-darwin*)
 398                 MKAFS_OSTYPE=DARWIN
 399                 AC_MSG_RESULT(ppc_darwin)
 400                 ;;
 401         i386-*-darwin*)
 402                 MKAFS_OSTYPE=DARWIN
 403                 AC_MSG_RESULT(x86_darwin)
 404                 ;;
 405         i386-*-freebsd*)
 406                 MKAFS_OSTYPE=FBSD
 407                 AC_MSG_RESULT(i386_fbsd)
 408                 ;;
 409         x86_64-*-freebsd*)
 410                 MKAFS_OSTYPE=FBSD
 411                 AC_MSG_RESULT(amd64_fbsd)
 412                 ;;
 413         *-netbsd*)
 414                 MKAFS_OSTYPE=NBSD
 415                 AC_MSG_RESULT(nbsd)
 416                 ;;
 417         x86_64-*-openbsd*)
 418                 MKAFS_OSTYPE=OBSD
 419                 AC_MSG_RESULT(amd64_obsd)
 420                 ;;
 421         i386-*-openbsd*)
 422                 MKAFS_OSTYPE=OBSD
 423                 AC_MSG_RESULT(i386_obsd)
 424                 ;;
 425         *-dragonfly*)
 426                 MKAFS_OSTYPE=DFBSD
 427                 AC_MSG_RESULT(i386_dfbsd)
 428                 ;;
 429         *)
 430                 AC_MSG_RESULT($system)
 431                 ;;
 432 esac
 433
 434 if test "x$with_afs_sysname" != "x"; then
 435         AFS_SYSNAME="$with_afs_sysname"
 436 else
 437         AC_MSG_CHECKING(your AFS sysname)
 438         case $host in
 439                 i?86-*-openbsd?.?)
 440                         v=${host#*openbsd}
 441                         vM=${v%.*}
 442                         vm=${v#*.}
 443                         AFS_SYSNAME="i386_obsd${vM}${vm}"
 444                         ;;
 445                 sparc64-*-openbsd?.?)
 446                         v=${host#*openbsd}
 447                         vM=${v%.*}
 448                         vm=${v#*.}
 449                         AFS_SYSNAME="sparc64_obsd${vM}${vm}"
 450                         ;;
 451                 x86_64-*-openbsd?.?)
 452                         v=${host#*openbsd}
 453                         vM=${v%.*}
 454                         vm=${v#*.}
 455                         AFS_SYSNAME="amd64_obsd${vM}${vm}"
 456                         ;;
 457                 i?86-*-freebsd?.*)
 458                         v=${host#*freebsd}
 459                         vM=${v%.*}
 460                         vm=${v#*.}
 461                         AFS_SYSNAME="i386_fbsd_${vM}${vm}"
 462                         ;;
 463                 x86_64-*-freebsd?.*)
 464                         v=${host#*freebsd}
 465                         vM=${v%.*}
 466                         vm=${v#*.}
 467                         AFS_SYSNAME="amd64_fbsd_${vM}${vm}"
 468                         ;;
 469                 i386-*-dragonfly2.2*)
 470                         AFS_SYSNAME="i386_dfbsd_23"
 471                         ;;
 472                 i386-*-dragonfly2.3*)
 473                         AFS_SYSNAME="i386_dfbsd_23"
 474                         ;;
 475                 i?86-*-netbsd*1.6[[M-Z]]*)
 476                         AFS_SYSNAME="i386_nbsd20"
 477                         ;;
 478                 powerpc-*-netbsd*1.6[[M-Z]]*)
 479                         AFS_SYSNAME="ppc_nbsd20"
 480                         ;;
 481                 *-*-netbsd*)
 482                         arch=${host%%-unknown*}
 483                         arch=$(echo $arch |sed -e 's/x86_64/amd64/g' \
 484                                                -e 's/powerpc/ppc/g')
 485                         v=${host#*netbsd}
 486                         v=${v#*aout}
 487                         v=${v#*ecoff}
 488                         v=${v#*elf}
 489                         vM=${v%%.*}
 490                         vM=${vM%.*}
 491                         v=${v#*.}
 492                         vm=${v%%.*}
 493                         vm=${vm%.*}
 494                         vm=${vm%%[[_A-Z]]*}
 495                         if test $vm -eq 99 ; then
 496                                 vM=$((vM+1))
 497                         fi
 498                         if test $vM -gt 1 ; then
 499                                 vm=0
 500                         fi
 501                         AFS_SYSNAME="${arch}_nbsd${vM}${vm}"
 502                         ;;
 503                 hppa*-hp-hpux11.0*)
 504                         AFS_SYSNAME="hp_ux110"
 505                         ;;
 506                 hppa*-hp-hpux11.11)
 507                         AFS_SYSNAME="hp_ux11i"
 508                         ;;
 509                 hppa*-hp-hpux11.23)
 510                         AFS_SYSNAME="hp_ux1123"
 511                         ;;
 512                 ia64-hp-hpux11.22)
 513                         AFS_SYSNAME="ia64_hpux1122"
 514                         ;;
 515                 ia64-hp-hpux*)
 516                         AFS_SYSNAME="ia64_hpux1123"
 517                         ;;
 518                 hppa*-hp-hpux10*)
 519                         AFS_SYSNAME="hp_ux102"
 520                         ;;
 521                 powerpc-apple-darwin7*)
 522                         AFS_SYSNAME="ppc_darwin_70"
 523                         ;;
 524                 powerpc-apple-darwin8.*)
 525                         AFS_SYSNAME="ppc_darwin_80"
 526                         ;;
 527                 i386-apple-darwin8.*)
 528                         AFS_SYSNAME="x86_darwin_80"
 529                         ;;
 530                 powerpc-apple-darwin9.*)
 531                         AFS_SYSNAME="ppc_darwin_90"
 532                         ;;
 533                 i386-apple-darwin9.*)
 534                         AFS_SYSNAME="x86_darwin_90"
 535                         ;;
 536                 i?86-apple-darwin10.*)
 537                         AFS_SYSNAME="x86_darwin_100"
 538                         ;;
 539                 sparc-sun-solaris2.5*)
 540                         AFS_SYSNAME="sun4x_55"
 541                         enable_login="yes"
 542                         ;;
 543                 sparc-sun-solaris2.6)
 544                         AFS_SYSNAME="sun4x_56"
 545                         ;;
 546                 sparc-sun-solaris2.7)
 547                         AFS_SYSNAME="sun4x_57"
 548                         ;;
 549                 sparc-sun-solaris2.8)
 550                         AFS_SYSNAME="sun4x_58"
 551                         ;;
 552                 sparc-sun-solaris2.9)
 553                         AFS_SYSNAME="sun4x_59"
 554                         ;;
 555                 sparc-sun-solaris2.10)
 556                         AFS_SYSNAME="sun4x_510"
 557                         ;;
 558                 sparc-sun-solaris2.11)
 559                         AFS_SYSNAME="sun4x_511"
 560                         ;;
 561                 sparc-sun-sunos4*)
 562                         AFS_SYSNAME="sun4_413"
 563                         enable_login="yes"
 564                         ;;
 565                 i386-pc-solaris2.7)
 566                         AFS_SYSNAME="sunx86_57"
 567                         ;;
 568                 i386-pc-solaris2.8)
 569                         AFS_SYSNAME="sunx86_58"
 570                         ;;
 571                 i386-pc-solaris2.9)
 572                         AFS_SYSNAME="sunx86_59"
 573                         ;;
 574                 i386-pc-solaris2.10)
 575                         AFS_SYSNAME="sunx86_510"
 576                         ;;
 577                 i386-pc-solaris2.11)
 578                         AFS_SYSNAME="sunx86_511"
 579                         ;;
 580                 alpha*-dec-osf4.0*)
 581                         AFS_SYSNAME="alpha_dux40"
 582                         ;;
 583                 alpha*-dec-osf5.0*)
 584                         AFS_SYSNAME="alpha_dux50"
 585                         ;;
 586                 alpha*-dec-osf5.1*)
 587                         AFS_SYSNAME="alpha_dux51"
 588                         ;;
 589                 mips-sgi-irix6.5)
 590                         AFS_SYSNAME="sgi_65"
 591                         ;;
 592                 ia64-*-linux*)
 593                         AFS_SYSNAME="ia64_linuxXX"
 594                         ;;
 595                 powerpc-*-linux*)
 596                         AFS_SYSNAME="`/bin/arch`_linuxXX"
 597                         ;;
 598                 powerpc64-*-linux*)
 599                         AFS_SYSNAME="ppc64_linuxXX"
 600                         ;;
 601                 alpha*-linux*)
 602                         AFS_SYSNAME="alpha_linux_XX"
 603                         ;;
 604                 s390-*-linux*)
 605                         AFS_SYSNAME="s390_linuxXX"
 606                         ;;
 607                 s390x-*-linux*)
 608                         AFS_SYSNAME="s390x_linuxXX"
 609                         ;;
 610                 sparc-*-linux*)
 611                         AFS_SYSNAME="`/bin/arch`_linuxXX"
 612                         ;;
 613                 sparc64-*-linux*)
 614                         AFS_SYSNAME="sparc64_linuxXX"
 615                         ;;
 616                 i?86-*-linux*)
 617                         AFS_SYSNAME="i386_linuxXX"
 618                         ;;
 619                 arm*-linux*)
 620                         AFS_SYSNAME="arm_linuxXX"
 621                         ;;
 622                 parisc-*-linux-gnu|hppa-*-linux-gnu)
 623                         AFS_SYSNAME="parisc_linuxXX"
 624                         enable_pam="no"
 625                         ;;
 626                 power*-ibm-aix4.2*)
 627                         AFS_SYSNAME="rs_aix42"
 628                         enable_pam="no"
 629                         ;;
 630                 power*-ibm-aix4.3*)
 631                         AFS_SYSNAME="rs_aix42"
 632                         enable_pam="no"
 633                         ;;
 634                 power*-ibm-aix5.1*)
 635                         AFS_SYSNAME="rs_aix51"
 636                         enable_pam="no"
 637                         ;;
 638                 power*-ibm-aix5.2*)
 639                         AFS_SYSNAME="rs_aix52"
 640                         enable_pam="no"
 641                         ;;
 642                 power*-ibm-aix5.3*)
 643                         AFS_SYSNAME="rs_aix53"
 644                         enable_pam="no"
 645                         ;;
 646                 power*-ibm-aix6.1*)
 647                         AFS_SYSNAME="rs_aix61"
 648                         enable_pam="no"
 649                         ;;
 650                 x86_64-*-linux-gnu)
 651                         AFS_SYSNAME="amd64_linuxXX"
 652                         enable_pam="yes"
 653                         ;;
 654                 *)
 655                         AC_MSG_ERROR(An AFS sysname is required)
 656                         exit 1
 657                         ;;
 658         esac
 659         case $AFS_SYSNAME in
 660                 *_linux* | *_umlinux*)
 661                         if test "x${AFS_SYSKVERS}" = "x"; then
 662                          AC_MSG_ERROR(Couldn't guess your Linux version. Please use the --with-afs-sysname option to configure an AFS sysname.)
 663                         fi
 664                         _AFS_SYSNAME=`echo $AFS_SYSNAME|sed s/XX\$/$AFS_SYSKVERS/`
 665                         AFS_SYSNAME="$_AFS_SYSNAME"
 666                         AC_TRY_KBUILD(
 667                          [],
 668                          [#ifndef CONFIG_USERMODE
 669                           #error not UML
 670                           #endif],
 671                          ac_cv_linux_is_uml=yes,)
 672                         if test "${ac_cv_linux_is_uml}" = yes; then
 673                          _AFS_SYSNAME=`echo $AFS_SYSNAME|sed s/linux/umlinux/`
 674                         fi
 675                         AFS_SYSNAME="$_AFS_SYSNAME"
 676                         ;;
 677         esac
 678         AC_MSG_RESULT($AFS_SYSNAME)
 679 fi
 680
 681 case $AFS_SYSNAME in
 682         *_darwin*)
 683                 AC_CHECK_HEADERS(crt_externs.h)
 684                 DARWIN_PLIST=src/libafs/afs.${AFS_SYSNAME}.plist
 685                 DARWIN_INFOFILE=afs.${AFS_SYSNAME}.plist
 686                 ;;
 687 esac
 688
 689 dnl Some hosts have a separate common param file they should include.  Figure
 690 dnl out if we're on one of them now that we know the sysname.
 691 case $AFS_SYSNAME in
 692     *_nbsd15)   AFS_PARAM_COMMON=param.nbsd15.h  ;;
 693     *_nbsd16)   AFS_PARAM_COMMON=param.nbsd16.h  ;;
 694     *_nbsd20)   AFS_PARAM_COMMON=param.nbsd20.h  ;;
 695     *_nbsd21)   AFS_PARAM_COMMON=param.nbsd21.h  ;;
 696     *_nbsd30)   AFS_PARAM_COMMON=param.nbsd30.h  ;;
 697     *_nbsd40)   AFS_PARAM_COMMON=param.nbsd40.h  ;;
 698     *_nbsd50)   AFS_PARAM_COMMON=param.nbsd50.h  ;;
 699     *_obsd31)   AFS_PARAM_COMMON=param.obsd31.h  ;;
 700     *_obsd32)   AFS_PARAM_COMMON=param.obsd32.h  ;;
 701     *_obsd33)   AFS_PARAM_COMMON=param.obsd33.h  ;;
 702     *_obsd34)   AFS_PARAM_COMMON=param.obsd34.h  ;;
 703     *_obsd35)   AFS_PARAM_COMMON=param.obsd35.h  ;;
 704     *_obsd36)   AFS_PARAM_COMMON=param.obsd36.h  ;;
 705     *_obsd37)   AFS_PARAM_COMMON=param.obsd37.h  ;;
 706     *_obsd38)   AFS_PARAM_COMMON=param.obsd38.h  ;;
 707     *_obsd39)   AFS_PARAM_COMMON=param.obsd39.h  ;;
 708     *_obsd40)   AFS_PARAM_COMMON=param.obsd40.h  ;;
 709     *_obsd41)   AFS_PARAM_COMMON=param.obsd41.h  ;;
 710     *_obsd42)   AFS_PARAM_COMMON=param.obsd42.h  ;;
 711     *_obsd43)   AFS_PARAM_COMMON=param.obsd43.h  ;;
 712     *_obsd44)   AFS_PARAM_COMMON=param.obsd44.h  ;;
 713     *_obsd45)   AFS_PARAM_COMMON=param.obsd45.h  ;;
 714     *_obsd46)   AFS_PARAM_COMMON=param.obsd46.h  ;;
 715     *_linux22)  AFS_PARAM_COMMON=param.linux22.h ;;
 716     *_linux24)  AFS_PARAM_COMMON=param.linux24.h ;;
 717     *_linux26)  AFS_PARAM_COMMON=param.linux26.h ;;
 718 # Linux alpha adds an extra underscore for no good reason.
 719     *_linux_22) AFS_PARAM_COMMON=param.linux22.h ;;
 720     *_linux_24) AFS_PARAM_COMMON=param.linux24.h ;;
 721     *_linux_26) AFS_PARAM_COMMON=param.linux26.h ;;
 722 esac
 723
 724 case $AFS_SYSNAME in *_linux* | *_umlinux*)
 725
 726                 # Add (sub-) architecture-specific paths needed by conftests
 727                 case $AFS_SYSNAME  in
 728                         *_umlinux26)
 729                                 UMLINUX26_FLAGS="-I$LINUX_KERNEL_PATH/arch/um/include"
 730                                 UMLINUX26_FLAGS="$UMLINUX26_FLAGS -I$LINUX_KERNEL_PATH/arch/um/kernel/tt/include"
 731                                 UMLINUX26_FLAGS="$UMLINUX26_FLAGS -I$LINUX_KERNEL_PATH/arch/um/kernel/skas/include"
 732                                 CPPFLAGS="$CPPFLAGS $UMLINUX26_FLAGS"
 733                 esac
 734
 735                 if test "x$enable_kernel_module" = "xyes"; then
 736                  if test "x$enable_debug_kernel" = "xno"; then
 737                         LINUX_GCC_KOPTS="$LINUX_GCC_KOPTS -fomit-frame-pointer"
 738                  fi
 739                  OPENAFS_GCC_SUPPORTS_MARCH
 740                  AC_SUBST(P5PLUS_KOPTS)
 741                  OPENAFS_GCC_NEEDS_NO_STRENGTH_REDUCE
 742                  OPENAFS_GCC_NEEDS_NO_STRICT_ALIASING
 743                  OPENAFS_GCC_SUPPORTS_NO_COMMON
 744                  OPENAFS_GCC_SUPPORTS_PIPE
 745                  AC_SUBST(LINUX_GCC_KOPTS)
 746
 747                  dnl Setup the kernel build environment
 748                  LINUX_KBUILD_USES_EXTRA_CFLAGS
 749                  LINUX_KERNEL_COMPILE_WORKS
 750
 751                  dnl Check for header files
 752                  AC_CHECK_LINUX_HEADER([config.h])
 753                  AC_CHECK_LINUX_HEADER([completion.h])
 754                  AC_CHECK_LINUX_HEADER([exportfs.h])
 755                  AC_CHECK_LINUX_HEADER([freezer.h])
 756                  AC_CHECK_LINUX_HEADER([key-type.h])
 757                  AC_CHECK_LINUX_HEADER([semaphore.h])
 758                  AC_CHECK_LINUX_HEADER([seq_file.h])
 759
 760                  dnl Check for structure elements
 761                  AC_CHECK_LINUX_STRUCT([address_space_operations],
 762                                        [write_begin], [fs.h])
 763                  AC_CHECK_LINUX_STRUCT([backing_dev_info], [name],
 764                                        [backing-dev.h])
 765                  AC_CHECK_LINUX_STRUCT([ctl_table], [ctl_name], [sysctl.h])
 766                  AC_CHECK_LINUX_STRUCT([inode], [i_alloc_sem], [fs.h])
 767                  AC_CHECK_LINUX_STRUCT([inode], [i_blkbits], [fs.h])
 768                  AC_CHECK_LINUX_STRUCT([inode], [i_blksize], [fs.h])
 769                  AC_CHECK_LINUX_STRUCT([inode], [i_mutex], [fs.h])
 770                  AC_CHECK_LINUX_STRUCT([inode], [i_security], [fs.h])
 771                  AC_CHECK_LINUX_STRUCT([file_operations], [flock], [fs.h])
 772                  AC_CHECK_LINUX_STRUCT([file_operations], [sendfile], [fs.h])
 773                  AC_CHECK_LINUX_STRUCT([nameidata], [path], [namei.h])
 774                  AC_CHECK_LINUX_STRUCT([proc_dir_entry], [owner], [proc_fs.h])
 775                  AC_CHECK_LINUX_STRUCT([super_block], [s_bdi], [fs.h])
 776                  AC_CHECK_LINUX_STRUCT([super_operations], [alloc_inode],
 777                                        [fs.h])
 778                  AC_CHECK_LINUX_STRUCT([task_struct], [cred], [sched.h])
 779                  AC_CHECK_LINUX_STRUCT([task_struct], [exit_state], [sched.h])
 780                  AC_CHECK_LINUX_STRUCT([task_struct], [parent], [sched.h])
 781                  AC_CHECK_LINUX_STRUCT([task_struct], [real_parent], [sched.h])
 782                  AC_CHECK_LINUX_STRUCT([task_struct], [rlim], [sched.h])
 783                  AC_CHECK_LINUX_STRUCT([task_struct], [sig], [sched.h])
 784                  AC_CHECK_LINUX_STRUCT([task_struct], [sighand], [sched.h])
 785                  AC_CHECK_LINUX_STRUCT([task_struct], [sigmask_lock], [sched.h])
 786                  AC_CHECK_LINUX_STRUCT([task_struct], [tgid], [sched.h])
 787                  AC_CHECK_LINUX_STRUCT([task_struct], [thread_info], [sched.h])
 788                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_SIGNAL_RLIM
 789
 790                  dnl Function existence checks
 791
 792                  AC_CHECK_LINUX_FUNC([bdi_init],
 793                                      [#include <linux/backing-dev.h>],
 794                                      [bdi_init(NULL);])
 795                  AC_CHECK_LINUX_FUNC([PageChecked],
 796                                      [#include <linux/mm.h>
 797 #include <linux/page-flags.h>],
 798                                      [struct page *_page;
 799                                       int bchecked = PageChecked(_page);])
 800                  AC_CHECK_LINUX_FUNC([PageFsMisc],
 801                                      [#include <linux/mm.h>
 802 #include <linux/page-flags.h>],
 803                                      [struct page *_page;
 804                                       int bchecked = PageFsMisc(_page);])
 805                  AC_CHECK_LINUX_FUNC([current_kernel_time],
 806                                      [#include <linux/time.h>],
 807                                      [struct timespec s;
 808                                       s = current_kernel_time();])
 809                  AC_CHECK_LINUX_FUNC([d_alloc_anon],
 810                                      [#include <linux/dcache.h>],
 811                                      [d_alloc_anon(NULL);])
 812                  AC_CHECK_LINUX_FUNC([do_sync_read],
 813                                      [#include <linux/fs.h>],
 814                                      [do_sync_read(NULL, NULL, 0, NULL);])
 815                  AC_CHECK_LINUX_FUNC([find_task_by_pid],
 816                                      [#include <linux/sched.h>],
 817                                      [pid_t p; find_task_by_pid(p);])
 818                  AC_CHECK_LINUX_FUNC([generic_file_aio_read],
 819                                      [#include <linux/fs.h>],
 820                                      [generic_file_aio_read(NULL,NULL,0,0);])
 821                  AC_CHECK_LINUX_FUNC([grab_cache_page_write_begin],
 822                                      [#include <linux/pagemap.h>],
 823                                      [grab_cache_page_write_begin(NULL, 0, 0);])
 824                  AC_CHECK_LINUX_FUNC([hlist_unhashed],
 825                                      [#include <linux/list.h>],
 826                                      [hlist_unhashed(0);])
 827                  AC_CHECK_LINUX_FUNC([i_size_read],
 828                                      [#include <linux/fs.h>],
 829                                      [i_size_read(NULL);])
 830                  AC_CHECK_LINUX_FUNC([kernel_setsockopt],
 831                                      [#include <linux/net.h>],
 832                                      [kernel_setsockopt(NULL, 0, 0, NULL, 0);])
 833                  AC_CHECK_LINUX_FUNC([page_follow_link],
 834                                      [#include <linux/fs.h>],
 835                                      [page_follow_link(0,0);])
 836                  AC_CHECK_LINUX_FUNC([page_offset],
 837                                      [#include <linux/pagemap.h>],
 838                                      [page_offset(NULL);])
 839                  AC_CHECK_LINUX_FUNC([pagevec_lru_add_file],
 840                                      [#include <linux/pagevec.h>],
 841                                      [__pagevec_lru_add_file(NULL);])
 842                  AC_CHECK_LINUX_FUNC([rcu_read_lock],
 843                                      [#include <linux/rcupdate.h>],
 844                                      [rcu_read_lock();])
 845                  AC_CHECK_LINUX_FUNC([splice_direct_to_actor],
 846                                      [#include <linux/splice.h>],
 847                                      [splice_direct_to_actor(NULL,NULL,NULL);])
 848                  AC_CHECK_LINUX_FUNC([svc_addr_in],
 849                                      [#include <linux/sunrpc/svc.h>],
 850                                      [svc_addr_in(NULL);])
 851                  AC_CHECK_LINUX_FUNC([zero_user_segments],
 852                                      [#include <linux/highmem.h>],
 853                                      [zero_user_segments(NULL, 0, 0, 0, 0);])
 854
 855                  dnl Consequences - things which get set as a result of the
 856                  dnl                above tests
 857                  AS_IF([test "x$ac_cv_linux_func_d_alloc_anon" = "xno"],
 858                        [AC_DEFINE([AFS_NONFSTRANS], 1,
 859                                   [define to disable the nfs translator])])
 860
 861                  dnl Assorted more complex tests
 862                  LINUX_EXPORTS_PROC_ROOT_FS
 863                  LINUX_KMEM_CACHE_INIT
 864                  LINUX_HAVE_KMEM_CACHE_T
 865                  LINUX_KMEM_CACHE_CREATE_TAKES_DTOR
 866                  LINUX_KMEM_CACHE_CREATE_CTOR_TAKES_VOID
 867                  LINUX_D_PATH_TAKES_STRUCT_PATH
 868                  LINUX_NEW_EXPORT_OPS
 869                  LINUX_INODE_SETATTR_RETURN_TYPE
 870                  LINUX_IOP_I_CREATE_TAKES_NAMEIDATA
 871                  LINUX_IOP_I_LOOKUP_TAKES_NAMEIDATA
 872                  LINUX_IOP_I_PERMISSION_TAKES_NAMEIDATA
 873                  LINUX_IOP_I_PUT_LINK_TAKES_COOKIE
 874                  LINUX_DOP_D_REVALIDATE_TAKES_NAMEIDATA
 875                  LINUX_FOP_F_FLUSH_TAKES_FL_OWNER_T
 876                  LINUX_FOP_F_FSYNC_TAKES_DENTRY
 877                  LINUX_AOP_WRITEBACK_CONTROL
 878                  LINUX_FS_STRUCT_FOP_HAS_SPLICE
 879                  LINUX_KERNEL_POSIX_LOCK_FILE_WAIT_ARG
 880                  LINUX_POSIX_TEST_LOCK_RETURNS_CONFLICT
 881                  LINUX_POSIX_TEST_LOCK_CONFLICT_ARG
 882                  LINUX_KERNEL_SOCK_CREATE
 883                  LINUX_EXPORTS_KEY_TYPE_KEYRING
 884                  LINUX_KEYS_HAVE_SESSION_TO_PARENT
 885                  LINUX_NEED_RHCONFIG
 886                  LINUX_RECALC_SIGPENDING_ARG_TYPE
 887                  LINUX_EXPORTS_TASKLIST_LOCK
 888                  LINUX_GET_SB_HAS_STRUCT_VFSMOUNT
 889                  LINUX_STATFS_TAKES_DENTRY
 890                  LINUX_REFRIGERATOR
 891                  LINUX_HAVE_TRY_TO_FREEZE
 892                  LINUX_LINUX_KEYRING_SUPPORT
 893                  LINUX_KEY_ALLOC_NEEDS_STRUCT_TASK
 894                  LINUX_KEY_ALLOC_NEEDS_CRED
 895                  LINUX_INIT_WORK_HAS_DATA
 896                  LINUX_REGISTER_SYSCTL_TABLE_NOFLAG
 897
 898                  dnl If we are guaranteed that keyrings will work - that is
 899                  dnl  a) The kernel has keyrings enabled
 900                  dnl  b) The code is new enough to give us a key_type_keyring
 901                  dnl then we just disable syscall probing unless we've been
 902                  dnl told otherwise
 903
 904                  AS_IF([test "$enable_linux_syscall_probing" = "maybe"],
 905                    [AS_IF([test "$ac_cv_linux_keyring_support" = "yes" -a "$ac_cv_linux_exports_key_type_keyring" = "yes"],
 906                           [enable_linux_syscall_probing="no"],
 907                           [enable_linux_syscall_probing="yes"])
 908                  ])
 909
 910                  dnl Syscall probing needs a few tests of its own, and just
 911                  dnl won't work if the kernel doesn't export init_mm
 912                  AS_IF([test "$enable_linux_syscall_probing" = "yes"], [
 913                    LINUX_EXPORTS_INIT_MM
 914                    AS_IF([test "$ac_cv_linux_exports_init_mm" = "no"], [
 915                      AC_MSG_ERROR(
 916                        [Can't do syscall probing without exported init_mm])
 917                    ])
 918                    LINUX_EXPORTS_SYS_CHDIR
 919                    LINUX_EXPORTS_SYS_OPEN
 920                    AC_DEFINE(ENABLE_LINUX_SYSCALL_PROBING, 1,
 921                              [define to enable syscall table probes])
 922                  ])
 923
 924                  dnl Packaging and SMP build
 925                  if test "x$with_linux_kernel_packaging" = "xno" ; then
 926                    LINUX_WHICH_MODULES
 927                  else
 928                    AC_SUBST(MPS,'SP')
 929                  fi
 930
 931                  dnl Syscall probing
 932                  if test "x$ac_cv_linux_config_modversions" = "xno" -o $AFS_SYSKVERS -ge 26; then
 933                    AS_IF([test "$enable_linux_syscall_probing" = "yes"], [
 934                      AC_MSG_WARN([Cannot determine sys_call_table status. assuming it isn't exported])
 935                    ])
 936                    ac_cv_linux_exports_sys_call_table=no
 937                    if test -f "$LINUX_KERNEL_PATH/include/asm/ia32_unistd.h"; then
 938                      ac_cv_linux_exports_ia32_sys_call_table=yes
 939                    fi
 940                  else
 941                    LINUX_EXPORTS_KALLSYMS_ADDRESS
 942                    LINUX_EXPORTS_KALLSYMS_SYMBOL
 943                    LINUX_EXPORTS_SYS_CALL_TABLE
 944                    LINUX_EXPORTS_IA32_SYS_CALL_TABLE
 945                    if test "x$ac_cv_linux_exports_sys_call_table" = "xno"; then
 946                          linux_syscall_method=none
 947                          if test "x$ac_cv_linux_exports_init_mm" = "xyes"; then
 948                             linux_syscall_method=scan
 949                             if test "x$ac_cv_linux_exports_kallsyms_address" = "xyes"; then
 950                                linux_syscall_method=scan_with_kallsyms_address
 951                             fi
 952                          fi
 953                          if test "x$ac_cv_linux_exports_kallsyms_symbol" = "xyes"; then
 954                             linux_syscall_method=kallsyms_symbol
 955                          fi
 956                          if test "x$linux_syscall_method" = "xnone"; then
 957                             AC_MSG_WARN([no available sys_call_table access method -- guessing scan])
 958                             linux_syscall_method=scan
 959                          fi
 960                    fi
 961                  fi
 962                  if test -f "$LINUX_KERNEL_PATH/include/linux/in_systm.h"; then
 963                   AC_DEFINE(HAVE_IN_SYSTM_H, 1, [define if you have in_systm.h header file])
 964                  fi
 965                  if test -f "$LINUX_KERNEL_PATH/include/linux/mm_inline.h"; then
 966                   AC_DEFINE(HAVE_MM_INLINE_H, 1, [define if you have mm_inline.h header file])
 967                  fi
 968                  if test "x$ac_cv_linux_kernel_page_follow_link" = "xyes" -o "x$ac_cv_linux_func_i_put_link_takes_cookie" = "xyes"; then
 969                   AC_DEFINE(USABLE_KERNEL_PAGE_SYMLINK_CACHE, 1, [define if your kernel has a usable symlink cache API])
 970                  else
 971                   AC_MSG_WARN([your kernel does not have a usable symlink cache API])
 972                  fi
 973                 :
 974                 fi
 975 dnl Linux-only, but just enable always.
 976                 AC_DEFINE(AFS_CACHE_BYPASS, 1, [define to activate cache bypassing Unix client])
 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 "$enable_bitmap_later" = "yes"; then
1117         AC_DEFINE(BITMAP_LATER, 1, [define if you want to salvager to check bitmasks later])
1118 fi
1119
1120 if test "$enable_demand_attach_fs" = "yes"; then
1121         AC_DEFINE(DEMAND_ATTACH_ENABLE, 1, [define if you want the demand attach fileserver])
1122         DEMAND_ATTACH="yes"
1123 else
1124         DEMAND_ATTACH="no"
1125 fi
1126 AC_SUBST(DEMAND_ATTACH)
1127
1128 if test "$enable_unix_sockets" = "yes"; then
1129         AC_DEFINE(USE_UNIX_SOCKETS, 1, [define if you want to use UNIX sockets for fssync.])
1130         USE_UNIX_SOCKETS="yes"
1131 else
1132         USE_UNIX_SOCKETS="no"
1133 fi
1134 AC_SUBST(USE_UNIX_SOCKETS)
1135
1136 if test "$enable_icmp_pmtu_discovery" = "yes"; then
1137    if test "$ac_cv_setsockopt_iprecverr" = "yes"; then
1138         AC_DEFINE(ADAPT_PMTU, 1, [define if you want to decode icmp unreachable packets to discover path mtu])
1139    fi
1140 fi
1141
1142 if test "$enable_namei_fileserver" = "yes"; then
1143         AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1144         VFSCK=""
1145 else
1146         if test "$enable_namei_fileserver" = "default"; then
1147                 case $host in
1148                         *-solaris2.10*)
1149                                 AC_MSG_WARN(Some Solaris 10 versions are not safe with the inode fileserver. Forcing namei. Override with --disable-namei-fileserver)
1150                                 AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1151                                 VFSCK=""
1152                                 ;;
1153                         *-solaris2.11*)
1154                                 AC_MSG_WARN(Solaris 11 versions are not safe with the inode fileserver. Forcing namei. Override with --disable-namei-fileserver)
1155                                 AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1156                                 VFSCK=""
1157                                 ;;
1158                         *)
1159                                 VFSCK="vfsck"
1160                                 ;;
1161                 esac
1162         else
1163                 VFSCK="vfsck"
1164         fi
1165 fi
1166
1167 dnl check for tivoli
1168 AC_MSG_CHECKING(for tivoli tsm butc support)
1169 XBSA_CFLAGS=""
1170 if test "$enable_tivoli_tsm" = "yes"; then
1171         XBSADIR1=/usr/tivoli/tsm/client/api/bin/xopen
1172         XBSADIR2=/opt/tivoli/tsm/client/api/bin/xopen
1173         XBSADIR3=/usr/tivoli/tsm/client/api/bin/sample
1174         XBSADIR4=/opt/tivoli/tsm/client/api/bin/sample
1175
1176         if test -r "$XBSADIR3/dsmapifp.h"; then
1177                 XBSA_CFLAGS="-Dxbsa -DNEW_XBSA -I$XBSADIR3"
1178                 XBSA_XLIBS="-ldl"
1179                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1180         elif test -r "$XBSADIR4/dsmapifp.h"; then
1181                 XBSA_CFLAGS="-Dxbsa -DNEW_XBSA -I$XBSADIR4"
1182                 XBSA_XLIBS="-ldl"
1183                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1184         elif test -r "$XBSADIR1/xbsa.h"; then
1185                 XBSA_CFLAGS="-Dxbsa -I$XBSADIR1"
1186                 XBSA_XLIBS=""
1187                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1188         elif test -r "$XBSADIR2/xbsa.h"; then
1189                 XBSA_CFLAGS="-Dxbsa -I$XBSADIR2"
1190                 XBSA_XLIBS=""
1191                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1192         else
1193                 AC_MSG_RESULT([no, missing xbsa.h and dsmapifp.h header files])
1194         fi
1195 else
1196         AC_MSG_RESULT([no])
1197 fi
1198 AC_SUBST(XBSA_CFLAGS)
1199 AC_SUBST(XBSA_XLIBS)
1200
1201 dnl checks for header files.
1202 AC_HEADER_STDC
1203 AC_HEADER_SYS_WAIT
1204 AC_HEADER_DIRENT
1205 AC_CHECK_HEADERS(stdlib.h string.h unistd.h fcntl.h sys/time.h sys/file.h grp.h)
1206 AC_CHECK_HEADERS(netinet/in.h netdb.h sys/fcntl.h sys/mnttab.h sys/mntent.h)
1207 AC_CHECK_HEADERS(mntent.h sys/vfs.h sys/param.h sys/fs_types.h sys/fstyp.h)
1208 AC_CHECK_HEADERS(sys/mount.h strings.h termios.h signal.h sys/pag.h)
1209 AC_CHECK_HEADERS(windows.h direct.h sys/ipc.h sys/resource.h)
1210 AC_CHECK_HEADERS(security/pam_modules.h ucontext.h regex.h sys/statvfs.h sys/statfs.h sys/bitypes.h)
1211 AC_CHECK_HEADERS(linux/errqueue.h,,,[#include <linux/types.h>])
1212 AC_CHECK_HEADERS(et/com_err.h)
1213
1214 AC_CHECK_TYPES([fsblkcnt_t],,,[
1215 #include <sys/types.h>
1216 #ifdef HAVE_SYS_BITYPES_H
1217 #include <sys/bitypes.h>
1218 #endif
1219 #ifdef HAVE_SYS_STATFS_H
1220 #include <sys/statfs.h>
1221 #endif
1222 #ifdef HAVE_SYS_STATVFS_H
1223 #include <sys/statvfs.h>
1224 #endif
1225 ])
1226
1227 OPENAFS_TEST_PACKAGE(libintl,[#include <libintl.h>],[-lintl],,,INTL)
1228
1229 dnl Don't build PAM on IRIX; the interface doesn't work for us.
1230 if test "$ac_cv_header_security_pam_modules_h" = yes -a "$enable_pam" = yes; then
1231         case $AFS_SYSNAME in
1232         sgi_*)
1233                 HAVE_PAM="no"
1234                 ;;
1235         *)
1236                 HAVE_PAM="yes"
1237                 ;;
1238         esac
1239 else
1240         HAVE_PAM="no"
1241 fi
1242 AC_SUBST(HAVE_PAM)
1243
1244 if test "$enable_login" = yes; then
1245         BUILD_LOGIN="yes"
1246 else
1247         BUILD_LOGIN="no"
1248 fi
1249 AC_SUBST(BUILD_LOGIN)
1250
1251 AC_CHECK_FUNCS(snprintf strlcat strlcpy flock getrlimit)
1252 AC_CHECK_FUNCS(setprogname getprogname sigaction mkstemp vsnprintf strerror strcasestr)
1253 AC_CHECK_FUNCS(setvbuf vsyslog getcwd)
1254 AC_CHECK_FUNCS(regcomp regexec regerror)
1255 AC_CHECK_FUNCS(fseeko64 ftello64)
1256 AC_MSG_CHECKING([for POSIX regex library])
1257 if test "$ac_cv_header_regex_h" = "yes" && \
1258         test "$ac_cv_func_regcomp" = "yes" && \
1259         test "$ac_cv_func_regexec" = "yes" && \
1260         test "$ac_cv_func_regerror" = "yes"; then
1261     AC_DEFINE(HAVE_POSIX_REGEX, 1, [define if you have POSIX regex library])
1262     AC_MSG_RESULT(yes)
1263 else
1264     AC_MSG_RESULT(no)
1265 fi
1266
1267 AC_TYPE_SIGNAL
1268 AC_CHECK_SIZEOF(void *)
1269 AC_CHECK_SIZEOF(unsigned long long)
1270 AC_CHECK_SIZEOF(unsigned long)
1271 AC_CHECK_SIZEOF(unsigned int)
1272 AC_TYPE_INTPTR_T
1273 AC_TYPE_UINTPTR_T
1274 AC_TYPE_SSIZE_T
1275 AC_CHECK_TYPE([sig_atomic_t],[],
1276     [AC_DEFINE([sig_atomic_t], [int],
1277         [Define to int if <signal.h> does not define.])],
1278 [#include <sys/types.h>
1279 #include <signal.h>])
1280 AC_CHECK_TYPE([socklen_t],[],
1281     [AC_DEFINE([socklen_t], [int],
1282         [Define to int if <sys/socket.h> does not define.])],
1283 [#include <sys/types.h>
1284 #include <sys/socket.h>])
1285 AC_CHECK_TYPES(off64_t)
1286 AC_SIZEOF_TYPE(long)
1287
1288 AC_HEADER_PAM_CONST
1289
1290 AC_CHECK_FUNCS(timegm)
1291 AC_CHECK_FUNCS(daemon)
1292
1293 dnl Directory PATH handling
1294 if test "x$enable_transarc_paths" = "xyes"  ; then
1295     afsconfdir=${afsconfdir=/usr/afs/etc}
1296     viceetcdir=${viceetcdir=/usr/vice/etc}
1297     afskerneldir=${afskerneldir=${viceetcdir}}
1298     afssrvbindir=${afssrvbindir=/usr/afs/bin}
1299     afssrvsbindir=${afssrvsbindir=/usr/afs/bin}
1300     afssrvlibexecdir=${afssrvlibexecdir=/usr/afs/bin}
1301     afsdbdir=${afsdbdir=/usr/afs/db}
1302     afslogsdir=${afslogsdir=/usr/afs/logs}
1303     afslocaldir=${afslocaldir=/usr/afs/local}
1304     afsbackupdir=${afsbackupdir=/usr/afs/backup}
1305     afsbosconfigdir=${afsbosconfigdir=/usr/afs/local}
1306     afsdatadir=${afsdatadir=/usr/vice/etc}
1307 else
1308     afsconfdir=${afsconfdir='${sysconfdir}/openafs/server'}
1309     viceetcdir=${viceetcdir='${sysconfdir}/openafs'}
1310     afskerneldir=${afskerneldir='${libdir}/openafs'}
1311     afssrvbindir=${afssrvbindir='${bindir}'}
1312     afssrvsbindir=${afssrvsbindir='${sbindir}'}
1313     afssrvlibexecdir=${afssrvlibexecdir='${libexecdir}/openafs'}
1314     afsdbdir=${afsdbdir='${localstatedir}/openafs/db'}
1315     afslogsdir=${afslogsdir='${localstatedir}/openafs/logs'}
1316     afslocaldir=${afslocaldir='${localstatedir}/openafs'}
1317     afsbackupdir=${afsbackupdir='${localstatedir}/openafs/backup'}
1318     afsbosconfigdir=${afsbosconfigdir='${sysconfdir}/openafs'}
1319     afsdatadir=${afsdatadir='${datadir}/openafs'}
1320 fi
1321 AC_SUBST(afsconfdir)
1322 AC_SUBST(viceetcdir)
1323 AC_SUBST(afskerneldir)
1324 AC_SUBST(afssrvbindir)
1325 AC_SUBST(afssrvsbindir)
1326 AC_SUBST(afssrvlibexecdir)
1327 AC_SUBST(afsdbdir)
1328 AC_SUBST(afslogsdir)
1329 AC_SUBST(afslocaldir)
1330 AC_SUBST(afsbackupdir)
1331 AC_SUBST(afsbosconfigdir)
1332 AC_SUBST(afsdatadir)
1333
1334 if test "x$enable_kernel_module" = "xyes"; then
1335 ENABLE_KERNEL_MODULE=libafs
1336 fi
1337
1338 if test "x$enable_pthreaded_ubik" = "xyes"; then
1339 ENABLE_PTHREADED_UBIK=yes
1340 fi
1341
1342 AC_SUBST(VFSCK)
1343 AC_SUBST(AFS_SYSNAME)
1344 AC_SUBST(AFS_PARAM_COMMON)
1345 AC_SUBST(ENABLE_KERNEL_MODULE)
1346 AC_SUBST(ENABLE_PTHREADED_UBIK)
1347 AC_SUBST(LIB_AFSDB)
1348 AC_SUBST(LINUX_KERNEL_PATH)
1349 AC_SUBST(LINUX_KERNEL_BUILD)
1350 AC_SUBST(HOST_CPU)
1351 AC_SUBST(BSD_KERNEL_PATH)
1352 AC_SUBST(BSD_KERNEL_BUILD)
1353 AC_SUBST(LINUX_VERSION)
1354 AC_SUBST(MKAFS_OSTYPE)
1355 AC_SUBST(TOP_OBJDIR)
1356 AC_SUBST(TOP_SRCDIR)
1357 AC_SUBST(TOP_INCDIR)
1358 AC_SUBST(TOP_LIBDIR)
1359 AC_SUBST(DEST)
1360 AC_SUBST(DARWIN_INFOFILE)
1361 AC_SUBST(IRIX_BUILD_IP35)
1362 AC_SUBST(HTML_XSL)
1363 AC_SUBST(XSLTPROC)
1364
1365 OPENAFS_OSCONF
1366 OPENAFS_FUSE
1367
1368 TOP_SRCDIR="${srcdir}/src"
1369 dnl
1370 dnl If we're using ./configure, need a more reasonable TOP_SRCDIR, since relative links don't work everywhere
1371 dnl
1372 case $TOP_SRCDIR in
1373         /*)
1374                 ;;
1375         *)
1376                 TOP_SRCDIR=`cd $TOP_SRCDIR; pwd`
1377                 ;;
1378 esac
1379
1380 TOP_OBJDIR="${SRCDIR_PARENT}"
1381 TOP_INCDIR="${SRCDIR_PARENT}/include"
1382 TOP_LIBDIR="${SRCDIR_PARENT}/lib"
1383 if test "${DEST}x" = "x"; then
1384         DEST="${SRCDIR_PARENT}/${AFS_SYSNAME}/dest"
1385 fi
1386
1387 HELPER_SPLINT="${TOP_SRCDIR}/helper-splint.sh"
1388 HELPER_SPLINTCFG="${TOP_SRCDIR}/splint.cfg"
1389 AC_SUBST(HELPER_SPLINT)
1390 AC_SUBST(HELPER_SPLINTCFG)
1391
1392 mkdir -p ${TOP_OBJDIR}/src/JAVA/libjafs
1393
1394 ])