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         x86_64-*-darwin*)
 406                 MKAFS_OSTYPE=DARWIN
 407                 AC_MSG_RESULT(x86_darwin)
 408                 ;;
 409         i386-*-freebsd*)
 410                 MKAFS_OSTYPE=FBSD
 411                 AC_MSG_RESULT(i386_fbsd)
 412                 ;;
 413         x86_64-*-freebsd*)
 414                 MKAFS_OSTYPE=FBSD
 415                 AC_MSG_RESULT(amd64_fbsd)
 416                 ;;
 417         *-netbsd*)
 418                 MKAFS_OSTYPE=NBSD
 419                 AC_MSG_RESULT(nbsd)
 420                 ;;
 421         x86_64-*-openbsd*)
 422                 MKAFS_OSTYPE=OBSD
 423                 AC_MSG_RESULT(amd64_obsd)
 424                 ;;
 425         i386-*-openbsd*)
 426                 MKAFS_OSTYPE=OBSD
 427                 AC_MSG_RESULT(i386_obsd)
 428                 ;;
 429         *-dragonfly*)
 430                 MKAFS_OSTYPE=DFBSD
 431                 AC_MSG_RESULT(i386_dfbsd)
 432                 ;;
 433         *)
 434                 AC_MSG_RESULT($system)
 435                 ;;
 436 esac
 437
 438 if test "x$with_afs_sysname" != "x"; then
 439         AFS_SYSNAME="$with_afs_sysname"
 440 else
 441         AC_MSG_CHECKING(your AFS sysname)
 442         case $host in
 443                 i?86-*-openbsd?.?)
 444                         v=${host#*openbsd}
 445                         vM=${v%.*}
 446                         vm=${v#*.}
 447                         AFS_SYSNAME="i386_obsd${vM}${vm}"
 448                         ;;
 449                 sparc64-*-openbsd?.?)
 450                         v=${host#*openbsd}
 451                         vM=${v%.*}
 452                         vm=${v#*.}
 453                         AFS_SYSNAME="sparc64_obsd${vM}${vm}"
 454                         ;;
 455                 x86_64-*-openbsd?.?)
 456                         v=${host#*openbsd}
 457                         vM=${v%.*}
 458                         vm=${v#*.}
 459                         AFS_SYSNAME="amd64_obsd${vM}${vm}"
 460                         ;;
 461                 i?86-*-freebsd?.*)
 462                         v=${host#*freebsd}
 463                         vM=${v%.*}
 464                         vm=${v#*.}
 465                         AFS_SYSNAME="i386_fbsd_${vM}${vm}"
 466                         ;;
 467                 x86_64-*-freebsd?.*)
 468                         v=${host#*freebsd}
 469                         vM=${v%.*}
 470                         vm=${v#*.}
 471                         AFS_SYSNAME="amd64_fbsd_${vM}${vm}"
 472                         ;;
 473                 i386-*-dragonfly2.2*)
 474                         AFS_SYSNAME="i386_dfbsd_23"
 475                         ;;
 476                 i386-*-dragonfly2.3*)
 477                         AFS_SYSNAME="i386_dfbsd_23"
 478                         ;;
 479                 i?86-*-netbsd*1.6[[M-Z]]*)
 480                         AFS_SYSNAME="i386_nbsd20"
 481                         ;;
 482                 powerpc-*-netbsd*1.6[[M-Z]]*)
 483                         AFS_SYSNAME="ppc_nbsd20"
 484                         ;;
 485                 *-*-netbsd*)
 486                         arch=${host%%-unknown*}
 487                         arch=$(echo $arch |sed -e 's/x86_64/amd64/g' \
 488                                                -e 's/powerpc/ppc/g')
 489                         v=${host#*netbsd}
 490                         v=${v#*aout}
 491                         v=${v#*ecoff}
 492                         v=${v#*elf}
 493                         vM=${v%%.*}
 494                         vM=${vM%.*}
 495                         v=${v#*.}
 496                         vm=${v%%.*}
 497                         vm=${vm%.*}
 498                         vm=${vm%%[[_A-Z]]*}
 499                         if test $vm -eq 99 ; then
 500                                 vM=$((vM+1))
 501                         fi
 502                         if test $vM -gt 1 ; then
 503                                 vm=0
 504                         fi
 505                         AFS_SYSNAME="${arch}_nbsd${vM}${vm}"
 506                         ;;
 507                 hppa*-hp-hpux11.0*)
 508                         AFS_SYSNAME="hp_ux110"
 509                         ;;
 510                 hppa*-hp-hpux11.11)
 511                         AFS_SYSNAME="hp_ux11i"
 512                         ;;
 513                 hppa*-hp-hpux11.23)
 514                         AFS_SYSNAME="hp_ux1123"
 515                         ;;
 516                 ia64-hp-hpux11.22)
 517                         AFS_SYSNAME="ia64_hpux1122"
 518                         ;;
 519                 ia64-hp-hpux*)
 520                         AFS_SYSNAME="ia64_hpux1123"
 521                         ;;
 522                 hppa*-hp-hpux10*)
 523                         AFS_SYSNAME="hp_ux102"
 524                         ;;
 525                 powerpc-apple-darwin7*)
 526                         AFS_SYSNAME="ppc_darwin_70"
 527                         ;;
 528                 powerpc-apple-darwin8.*)
 529                         AFS_SYSNAME="ppc_darwin_80"
 530                         ;;
 531                 i386-apple-darwin8.*)
 532                         AFS_SYSNAME="x86_darwin_80"
 533                         ;;
 534                 powerpc-apple-darwin9.*)
 535                         AFS_SYSNAME="ppc_darwin_90"
 536                         ;;
 537                 i386-apple-darwin9.*)
 538                         AFS_SYSNAME="x86_darwin_90"
 539                         ;;
 540                 i?86-apple-darwin10.*)
 541                         AFS_SYSNAME="x86_darwin_100"
 542                         ;;
 543                 x86_64-apple-darwin10.*)
 544                         AFS_SYSNAME="x86_darwin_100"
 545                         ;;
 546                 sparc-sun-solaris2.5*)
 547                         AFS_SYSNAME="sun4x_55"
 548                         enable_login="yes"
 549                         ;;
 550                 sparc-sun-solaris2.6)
 551                         AFS_SYSNAME="sun4x_56"
 552                         ;;
 553                 sparc-sun-solaris2.7)
 554                         AFS_SYSNAME="sun4x_57"
 555                         ;;
 556                 sparc-sun-solaris2.8)
 557                         AFS_SYSNAME="sun4x_58"
 558                         ;;
 559                 sparc-sun-solaris2.9)
 560                         AFS_SYSNAME="sun4x_59"
 561                         ;;
 562                 sparc-sun-solaris2.10)
 563                         AFS_SYSNAME="sun4x_510"
 564                         ;;
 565                 sparc-sun-solaris2.11)
 566                         AFS_SYSNAME="sun4x_511"
 567                         ;;
 568                 sparc-sun-sunos4*)
 569                         AFS_SYSNAME="sun4_413"
 570                         enable_login="yes"
 571                         ;;
 572                 i386-pc-solaris2.7)
 573                         AFS_SYSNAME="sunx86_57"
 574                         ;;
 575                 i386-pc-solaris2.8)
 576                         AFS_SYSNAME="sunx86_58"
 577                         ;;
 578                 i386-pc-solaris2.9)
 579                         AFS_SYSNAME="sunx86_59"
 580                         ;;
 581                 i386-pc-solaris2.10)
 582                         AFS_SYSNAME="sunx86_510"
 583                         ;;
 584                 i386-pc-solaris2.11)
 585                         AFS_SYSNAME="sunx86_511"
 586                         ;;
 587                 alpha*-dec-osf4.0*)
 588                         AFS_SYSNAME="alpha_dux40"
 589                         ;;
 590                 alpha*-dec-osf5.0*)
 591                         AFS_SYSNAME="alpha_dux50"
 592                         ;;
 593                 alpha*-dec-osf5.1*)
 594                         AFS_SYSNAME="alpha_dux51"
 595                         ;;
 596                 mips-sgi-irix6.5)
 597                         AFS_SYSNAME="sgi_65"
 598                         ;;
 599                 ia64-*-linux*)
 600                         AFS_SYSNAME="ia64_linuxXX"
 601                         ;;
 602                 powerpc-*-linux*)
 603                         AFS_SYSNAME="`/bin/arch`_linuxXX"
 604                         ;;
 605                 powerpc64-*-linux*)
 606                         AFS_SYSNAME="ppc64_linuxXX"
 607                         ;;
 608                 alpha*-linux*)
 609                         AFS_SYSNAME="alpha_linux_XX"
 610                         ;;
 611                 s390-*-linux*)
 612                         AFS_SYSNAME="s390_linuxXX"
 613                         ;;
 614                 s390x-*-linux*)
 615                         AFS_SYSNAME="s390x_linuxXX"
 616                         ;;
 617                 sparc-*-linux*)
 618                         AFS_SYSNAME="`/bin/arch`_linuxXX"
 619                         ;;
 620                 sparc64-*-linux*)
 621                         AFS_SYSNAME="sparc64_linuxXX"
 622                         ;;
 623                 i?86-*-linux*)
 624                         AFS_SYSNAME="i386_linuxXX"
 625                         ;;
 626                 arm*-linux*)
 627                         AFS_SYSNAME="arm_linuxXX"
 628                         ;;
 629                 parisc-*-linux-gnu|hppa-*-linux-gnu)
 630                         AFS_SYSNAME="parisc_linuxXX"
 631                         enable_pam="no"
 632                         ;;
 633                 power*-ibm-aix4.2*)
 634                         AFS_SYSNAME="rs_aix42"
 635                         enable_pam="no"
 636                         ;;
 637                 power*-ibm-aix4.3*)
 638                         AFS_SYSNAME="rs_aix42"
 639                         enable_pam="no"
 640                         ;;
 641                 power*-ibm-aix5.1*)
 642                         AFS_SYSNAME="rs_aix51"
 643                         enable_pam="no"
 644                         ;;
 645                 power*-ibm-aix5.2*)
 646                         AFS_SYSNAME="rs_aix52"
 647                         enable_pam="no"
 648                         ;;
 649                 power*-ibm-aix5.3*)
 650                         AFS_SYSNAME="rs_aix53"
 651                         enable_pam="no"
 652                         ;;
 653                 power*-ibm-aix6.1*)
 654                         AFS_SYSNAME="rs_aix61"
 655                         enable_pam="no"
 656                         ;;
 657                 x86_64-*-linux-gnu)
 658                         AFS_SYSNAME="amd64_linuxXX"
 659                         enable_pam="yes"
 660                         ;;
 661                 *)
 662                         AC_MSG_ERROR(An AFS sysname is required)
 663                         exit 1
 664                         ;;
 665         esac
 666         case $AFS_SYSNAME in
 667                 *_linux* | *_umlinux*)
 668                         if test "x${AFS_SYSKVERS}" = "x"; then
 669                          AC_MSG_ERROR(Couldn't guess your Linux version. Please use the --with-afs-sysname option to configure an AFS sysname.)
 670                         fi
 671                         _AFS_SYSNAME=`echo $AFS_SYSNAME|sed s/XX\$/$AFS_SYSKVERS/`
 672                         AFS_SYSNAME="$_AFS_SYSNAME"
 673                         AC_TRY_KBUILD(
 674                          [],
 675                          [#ifndef CONFIG_USERMODE
 676                           #error not UML
 677                           #endif],
 678                          ac_cv_linux_is_uml=yes,)
 679                         if test "${ac_cv_linux_is_uml}" = yes; then
 680                          _AFS_SYSNAME=`echo $AFS_SYSNAME|sed s/linux/umlinux/`
 681                         fi
 682                         AFS_SYSNAME="$_AFS_SYSNAME"
 683                         ;;
 684         esac
 685         AC_MSG_RESULT($AFS_SYSNAME)
 686 fi
 687
 688 case $AFS_SYSNAME in
 689         *_darwin*)
 690                 AC_CHECK_HEADERS(crt_externs.h)
 691                 DARWIN_PLIST=src/libafs/afs.${AFS_SYSNAME}.plist
 692                 DARWIN_INFOFILE=afs.${AFS_SYSNAME}.plist
 693                 ;;
 694 esac
 695
 696 dnl Some hosts have a separate common param file they should include.  Figure
 697 dnl out if we're on one of them now that we know the sysname.
 698 case $AFS_SYSNAME in
 699     *_nbsd15)   AFS_PARAM_COMMON=param.nbsd15.h  ;;
 700     *_nbsd16)   AFS_PARAM_COMMON=param.nbsd16.h  ;;
 701     *_nbsd20)   AFS_PARAM_COMMON=param.nbsd20.h  ;;
 702     *_nbsd21)   AFS_PARAM_COMMON=param.nbsd21.h  ;;
 703     *_nbsd30)   AFS_PARAM_COMMON=param.nbsd30.h  ;;
 704     *_nbsd40)   AFS_PARAM_COMMON=param.nbsd40.h  ;;
 705     *_nbsd50)   AFS_PARAM_COMMON=param.nbsd50.h  ;;
 706     *_obsd31)   AFS_PARAM_COMMON=param.obsd31.h  ;;
 707     *_obsd32)   AFS_PARAM_COMMON=param.obsd32.h  ;;
 708     *_obsd33)   AFS_PARAM_COMMON=param.obsd33.h  ;;
 709     *_obsd34)   AFS_PARAM_COMMON=param.obsd34.h  ;;
 710     *_obsd35)   AFS_PARAM_COMMON=param.obsd35.h  ;;
 711     *_obsd36)   AFS_PARAM_COMMON=param.obsd36.h  ;;
 712     *_obsd37)   AFS_PARAM_COMMON=param.obsd37.h  ;;
 713     *_obsd38)   AFS_PARAM_COMMON=param.obsd38.h  ;;
 714     *_obsd39)   AFS_PARAM_COMMON=param.obsd39.h  ;;
 715     *_obsd40)   AFS_PARAM_COMMON=param.obsd40.h  ;;
 716     *_obsd41)   AFS_PARAM_COMMON=param.obsd41.h  ;;
 717     *_obsd42)   AFS_PARAM_COMMON=param.obsd42.h  ;;
 718     *_obsd43)   AFS_PARAM_COMMON=param.obsd43.h  ;;
 719     *_obsd44)   AFS_PARAM_COMMON=param.obsd44.h  ;;
 720     *_obsd45)   AFS_PARAM_COMMON=param.obsd45.h  ;;
 721     *_obsd46)   AFS_PARAM_COMMON=param.obsd46.h  ;;
 722     *_linux22)  AFS_PARAM_COMMON=param.linux22.h ;;
 723     *_linux24)  AFS_PARAM_COMMON=param.linux24.h ;;
 724     *_linux26)  AFS_PARAM_COMMON=param.linux26.h ;;
 725 # Linux alpha adds an extra underscore for no good reason.
 726     *_linux_22) AFS_PARAM_COMMON=param.linux22.h ;;
 727     *_linux_24) AFS_PARAM_COMMON=param.linux24.h ;;
 728     *_linux_26) AFS_PARAM_COMMON=param.linux26.h ;;
 729 esac
 730
 731 case $AFS_SYSNAME in *_linux* | *_umlinux*)
 732
 733                 # Add (sub-) architecture-specific paths needed by conftests
 734                 case $AFS_SYSNAME  in
 735                         *_umlinux26)
 736                                 UMLINUX26_FLAGS="-I$LINUX_KERNEL_PATH/arch/um/include"
 737                                 UMLINUX26_FLAGS="$UMLINUX26_FLAGS -I$LINUX_KERNEL_PATH/arch/um/kernel/tt/include"
 738                                 UMLINUX26_FLAGS="$UMLINUX26_FLAGS -I$LINUX_KERNEL_PATH/arch/um/kernel/skas/include"
 739                                 CPPFLAGS="$CPPFLAGS $UMLINUX26_FLAGS"
 740                 esac
 741
 742                 if test "x$enable_kernel_module" = "xyes"; then
 743                  if test "x$enable_debug_kernel" = "xno"; then
 744                         LINUX_GCC_KOPTS="$LINUX_GCC_KOPTS -fomit-frame-pointer"
 745                  fi
 746                  OPENAFS_GCC_SUPPORTS_MARCH
 747                  AC_SUBST(P5PLUS_KOPTS)
 748                  OPENAFS_GCC_NEEDS_NO_STRENGTH_REDUCE
 749                  OPENAFS_GCC_NEEDS_NO_STRICT_ALIASING
 750                  OPENAFS_GCC_SUPPORTS_NO_COMMON
 751                  OPENAFS_GCC_SUPPORTS_PIPE
 752                  AC_SUBST(LINUX_GCC_KOPTS)
 753
 754                  dnl Setup the kernel build environment
 755                  LINUX_KBUILD_USES_EXTRA_CFLAGS
 756                  LINUX_KERNEL_COMPILE_WORKS
 757
 758                  dnl Check for header files
 759                  AC_CHECK_LINUX_HEADER([config.h])
 760                  AC_CHECK_LINUX_HEADER([completion.h])
 761                  AC_CHECK_LINUX_HEADER([exportfs.h])
 762                  AC_CHECK_LINUX_HEADER([freezer.h])
 763                  AC_CHECK_LINUX_HEADER([key-type.h])
 764                  AC_CHECK_LINUX_HEADER([semaphore.h])
 765                  AC_CHECK_LINUX_HEADER([seq_file.h])
 766
 767                  dnl Check for structure elements
 768                  AC_CHECK_LINUX_STRUCT([address_space_operations],
 769                                        [write_begin], [fs.h])
 770                  AC_CHECK_LINUX_STRUCT([backing_dev_info], [name],
 771                                        [backing-dev.h])
 772                  AC_CHECK_LINUX_STRUCT([ctl_table], [ctl_name], [sysctl.h])
 773                  AC_CHECK_LINUX_STRUCT([inode], [i_alloc_sem], [fs.h])
 774                  AC_CHECK_LINUX_STRUCT([inode], [i_blkbits], [fs.h])
 775                  AC_CHECK_LINUX_STRUCT([inode], [i_blksize], [fs.h])
 776                  AC_CHECK_LINUX_STRUCT([inode], [i_mutex], [fs.h])
 777                  AC_CHECK_LINUX_STRUCT([inode], [i_security], [fs.h])
 778                  AC_CHECK_LINUX_STRUCT([file_operations], [flock], [fs.h])
 779                  AC_CHECK_LINUX_STRUCT([file_operations], [sendfile], [fs.h])
 780                  AC_CHECK_LINUX_STRUCT([nameidata], [path], [namei.h])
 781                  AC_CHECK_LINUX_STRUCT([proc_dir_entry], [owner], [proc_fs.h])
 782                  AC_CHECK_LINUX_STRUCT([super_block], [s_bdi], [fs.h])
 783                  AC_CHECK_LINUX_STRUCT([super_operations], [alloc_inode],
 784                                        [fs.h])
 785                  AC_CHECK_LINUX_STRUCT([task_struct], [cred], [sched.h])
 786                  AC_CHECK_LINUX_STRUCT([task_struct], [exit_state], [sched.h])
 787                  AC_CHECK_LINUX_STRUCT([task_struct], [parent], [sched.h])
 788                  AC_CHECK_LINUX_STRUCT([task_struct], [real_parent], [sched.h])
 789                  AC_CHECK_LINUX_STRUCT([task_struct], [rlim], [sched.h])
 790                  AC_CHECK_LINUX_STRUCT([task_struct], [sig], [sched.h])
 791                  AC_CHECK_LINUX_STRUCT([task_struct], [sighand], [sched.h])
 792                  AC_CHECK_LINUX_STRUCT([task_struct], [sigmask_lock], [sched.h])
 793                  AC_CHECK_LINUX_STRUCT([task_struct], [tgid], [sched.h])
 794                  AC_CHECK_LINUX_STRUCT([task_struct], [thread_info], [sched.h])
 795                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_SIGNAL_RLIM
 796
 797                  dnl Function existence checks
 798
 799                  AC_CHECK_LINUX_FUNC([bdi_init],
 800                                      [#include <linux/backing-dev.h>],
 801                                      [bdi_init(NULL);])
 802                  AC_CHECK_LINUX_FUNC([PageChecked],
 803                                      [#include <linux/mm.h>
 804 #include <linux/page-flags.h>],
 805                                      [struct page *_page;
 806                                       int bchecked = PageChecked(_page);])
 807                  AC_CHECK_LINUX_FUNC([PageFsMisc],
 808                                      [#include <linux/mm.h>
 809 #include <linux/page-flags.h>],
 810                                      [struct page *_page;
 811                                       int bchecked = PageFsMisc(_page);])
 812                  AC_CHECK_LINUX_FUNC([current_kernel_time],
 813                                      [#include <linux/time.h>],
 814                                      [struct timespec s;
 815                                       s = current_kernel_time();])
 816                  AC_CHECK_LINUX_FUNC([d_alloc_anon],
 817                                      [#include <linux/dcache.h>],
 818                                      [d_alloc_anon(NULL);])
 819                  AC_CHECK_LINUX_FUNC([do_sync_read],
 820                                      [#include <linux/fs.h>],
 821                                      [do_sync_read(NULL, NULL, 0, NULL);])
 822                  AC_CHECK_LINUX_FUNC([find_task_by_pid],
 823                                      [#include <linux/sched.h>],
 824                                      [pid_t p; find_task_by_pid(p);])
 825                  AC_CHECK_LINUX_FUNC([generic_file_aio_read],
 826                                      [#include <linux/fs.h>],
 827                                      [generic_file_aio_read(NULL,NULL,0,0);])
 828                  AC_CHECK_LINUX_FUNC([grab_cache_page_write_begin],
 829                                      [#include <linux/pagemap.h>],
 830                                      [grab_cache_page_write_begin(NULL, 0, 0);])
 831                  AC_CHECK_LINUX_FUNC([hlist_unhashed],
 832                                      [#include <linux/list.h>],
 833                                      [hlist_unhashed(0);])
 834                  AC_CHECK_LINUX_FUNC([i_size_read],
 835                                      [#include <linux/fs.h>],
 836                                      [i_size_read(NULL);])
 837                  AC_CHECK_LINUX_FUNC([kernel_setsockopt],
 838                                      [#include <linux/net.h>],
 839                                      [kernel_setsockopt(NULL, 0, 0, NULL, 0);])
 840                  AC_CHECK_LINUX_FUNC([page_follow_link],
 841                                      [#include <linux/fs.h>],
 842                                      [page_follow_link(0,0);])
 843                  AC_CHECK_LINUX_FUNC([page_offset],
 844                                      [#include <linux/pagemap.h>],
 845                                      [page_offset(NULL);])
 846                  AC_CHECK_LINUX_FUNC([pagevec_lru_add_file],
 847                                      [#include <linux/pagevec.h>],
 848                                      [__pagevec_lru_add_file(NULL);])
 849                  AC_CHECK_LINUX_FUNC([rcu_read_lock],
 850                                      [#include <linux/rcupdate.h>],
 851                                      [rcu_read_lock();])
 852                  AC_CHECK_LINUX_FUNC([splice_direct_to_actor],
 853                                      [#include <linux/splice.h>],
 854                                      [splice_direct_to_actor(NULL,NULL,NULL);])
 855                  AC_CHECK_LINUX_FUNC([svc_addr_in],
 856                                      [#include <linux/sunrpc/svc.h>],
 857                                      [svc_addr_in(NULL);])
 858                  AC_CHECK_LINUX_FUNC([zero_user_segments],
 859                                      [#include <linux/highmem.h>],
 860                                      [zero_user_segments(NULL, 0, 0, 0, 0);])
 861
 862                  dnl Consequences - things which get set as a result of the
 863                  dnl                above tests
 864                  AS_IF([test "x$ac_cv_linux_func_d_alloc_anon" = "xno"],
 865                        [AC_DEFINE([AFS_NONFSTRANS], 1,
 866                                   [define to disable the nfs translator])])
 867
 868                  dnl Assorted more complex tests
 869                  LINUX_EXPORTS_PROC_ROOT_FS
 870                  LINUX_KMEM_CACHE_INIT
 871                  LINUX_HAVE_KMEM_CACHE_T
 872                  LINUX_KMEM_CACHE_CREATE_TAKES_DTOR
 873                  LINUX_KMEM_CACHE_CREATE_CTOR_TAKES_VOID
 874                  LINUX_D_PATH_TAKES_STRUCT_PATH
 875                  LINUX_NEW_EXPORT_OPS
 876                  LINUX_INODE_SETATTR_RETURN_TYPE
 877                  LINUX_IOP_I_CREATE_TAKES_NAMEIDATA
 878                  LINUX_IOP_I_LOOKUP_TAKES_NAMEIDATA
 879                  LINUX_IOP_I_PERMISSION_TAKES_NAMEIDATA
 880                  LINUX_IOP_I_PUT_LINK_TAKES_COOKIE
 881                  LINUX_DOP_D_REVALIDATE_TAKES_NAMEIDATA
 882                  LINUX_FOP_F_FLUSH_TAKES_FL_OWNER_T
 883                  LINUX_FOP_F_FSYNC_TAKES_DENTRY
 884                  LINUX_AOP_WRITEBACK_CONTROL
 885                  LINUX_FS_STRUCT_FOP_HAS_SPLICE
 886                  LINUX_KERNEL_POSIX_LOCK_FILE_WAIT_ARG
 887                  LINUX_POSIX_TEST_LOCK_RETURNS_CONFLICT
 888                  LINUX_POSIX_TEST_LOCK_CONFLICT_ARG
 889                  LINUX_KERNEL_SOCK_CREATE
 890                  LINUX_EXPORTS_KEY_TYPE_KEYRING
 891                  LINUX_KEYS_HAVE_SESSION_TO_PARENT
 892                  LINUX_NEED_RHCONFIG
 893                  LINUX_RECALC_SIGPENDING_ARG_TYPE
 894                  LINUX_EXPORTS_TASKLIST_LOCK
 895                  LINUX_GET_SB_HAS_STRUCT_VFSMOUNT
 896                  LINUX_STATFS_TAKES_DENTRY
 897                  LINUX_REFRIGERATOR
 898                  LINUX_HAVE_TRY_TO_FREEZE
 899                  LINUX_LINUX_KEYRING_SUPPORT
 900                  LINUX_KEY_ALLOC_NEEDS_STRUCT_TASK
 901                  LINUX_KEY_ALLOC_NEEDS_CRED
 902                  LINUX_INIT_WORK_HAS_DATA
 903                  LINUX_REGISTER_SYSCTL_TABLE_NOFLAG
 904
 905                  dnl If we are guaranteed that keyrings will work - that is
 906                  dnl  a) The kernel has keyrings enabled
 907                  dnl  b) The code is new enough to give us a key_type_keyring
 908                  dnl then we just disable syscall probing unless we've been
 909                  dnl told otherwise
 910
 911                  AS_IF([test "$enable_linux_syscall_probing" = "maybe"],
 912                    [AS_IF([test "$ac_cv_linux_keyring_support" = "yes" -a "$ac_cv_linux_exports_key_type_keyring" = "yes"],
 913                           [enable_linux_syscall_probing="no"],
 914                           [enable_linux_syscall_probing="yes"])
 915                  ])
 916
 917                  dnl Syscall probing needs a few tests of its own, and just
 918                  dnl won't work if the kernel doesn't export init_mm
 919                  AS_IF([test "$enable_linux_syscall_probing" = "yes"], [
 920                    LINUX_EXPORTS_INIT_MM
 921                    AS_IF([test "$ac_cv_linux_exports_init_mm" = "no"], [
 922                      AC_MSG_ERROR(
 923                        [Can't do syscall probing without exported init_mm])
 924                    ])
 925                    LINUX_EXPORTS_SYS_CHDIR
 926                    LINUX_EXPORTS_SYS_OPEN
 927                    AC_DEFINE(ENABLE_LINUX_SYSCALL_PROBING, 1,
 928                              [define to enable syscall table probes])
 929                  ])
 930
 931                  dnl Packaging and SMP build
 932                  if test "x$with_linux_kernel_packaging" = "xno" ; then
 933                    LINUX_WHICH_MODULES
 934                  else
 935                    AC_SUBST(MPS,'SP')
 936                  fi
 937
 938                  dnl Syscall probing
 939                  if test "x$ac_cv_linux_config_modversions" = "xno" -o $AFS_SYSKVERS -ge 26; then
 940                    AS_IF([test "$enable_linux_syscall_probing" = "yes"], [
 941                      AC_MSG_WARN([Cannot determine sys_call_table status. assuming it isn't exported])
 942                    ])
 943                    ac_cv_linux_exports_sys_call_table=no
 944                    if test -f "$LINUX_KERNEL_PATH/include/asm/ia32_unistd.h"; then
 945                      ac_cv_linux_exports_ia32_sys_call_table=yes
 946                    fi
 947                  else
 948                    LINUX_EXPORTS_KALLSYMS_ADDRESS
 949                    LINUX_EXPORTS_KALLSYMS_SYMBOL
 950                    LINUX_EXPORTS_SYS_CALL_TABLE
 951                    LINUX_EXPORTS_IA32_SYS_CALL_TABLE
 952                    if test "x$ac_cv_linux_exports_sys_call_table" = "xno"; then
 953                          linux_syscall_method=none
 954                          if test "x$ac_cv_linux_exports_init_mm" = "xyes"; then
 955                             linux_syscall_method=scan
 956                             if test "x$ac_cv_linux_exports_kallsyms_address" = "xyes"; then
 957                                linux_syscall_method=scan_with_kallsyms_address
 958                             fi
 959                          fi
 960                          if test "x$ac_cv_linux_exports_kallsyms_symbol" = "xyes"; then
 961                             linux_syscall_method=kallsyms_symbol
 962                          fi
 963                          if test "x$linux_syscall_method" = "xnone"; then
 964                             AC_MSG_WARN([no available sys_call_table access method -- guessing scan])
 965                             linux_syscall_method=scan
 966                          fi
 967                    fi
 968                  fi
 969                  if test -f "$LINUX_KERNEL_PATH/include/linux/in_systm.h"; then
 970                   AC_DEFINE(HAVE_IN_SYSTM_H, 1, [define if you have in_systm.h header file])
 971                  fi
 972                  if test -f "$LINUX_KERNEL_PATH/include/linux/mm_inline.h"; then
 973                   AC_DEFINE(HAVE_MM_INLINE_H, 1, [define if you have mm_inline.h header file])
 974                  fi
 975                  if test "x$ac_cv_linux_kernel_page_follow_link" = "xyes" -o "x$ac_cv_linux_func_i_put_link_takes_cookie" = "xyes"; then
 976                   AC_DEFINE(USABLE_KERNEL_PAGE_SYMLINK_CACHE, 1, [define if your kernel has a usable symlink cache API])
 977                  else
 978                   AC_MSG_WARN([your kernel does not have a usable symlink cache API])
 979                  fi
 980                 :
 981                 fi
 982 dnl Linux-only, but just enable always.
 983                 AC_DEFINE(AFS_CACHE_BYPASS, 1, [define to activate cache bypassing Unix client])
 984 esac
 985
 986 AC_CACHE_CHECK([if struct sockaddr has sa_len field],
 987     [ac_cv_sockaddr_len],
 988     [AC_TRY_COMPILE( [#include <sys/types.h>
 989 #include <sys/socket.h>],
 990                      [struct sockaddr *a; a->sa_len=0;],
 991                      [ac_cv_sockaddr_len=yes],
 992                      [ac_cv_sockaddr_len=no])
 993 ])
 994 AS_IF([test "$ac_cv_sockaddr_len" = "yes"],
 995       [AC_DEFINE(STRUCT_SOCKADDR_HAS_SA_LEN, 1,
 996                  [define if you struct sockaddr sa_len])])
 997
 998 if test "x${MKAFS_OSTYPE}" = "xIRIX"; then
 999         echo Skipping library tests because they confuse Irix.
1000 else
1001   AC_SEARCH_LIBS([socket], [socket inet])
1002   AC_SEARCH_LIBS([connect], [nsl])
1003   AC_SEARCH_LIBS([gethostbyname], [dns nsl resolv])
1004
1005   dnl darwin wants it, aix hates it
1006   AC_MSG_CHECKING(for the useability of arpa/nameser_compat.h)
1007   AC_TRY_COMPILE([
1008   #include <stdlib.h>
1009   #include <stdio.h>
1010   #include <sys/types.h>
1011   #include <sys/socket.h>
1012   #include <netinet/in.h>
1013   #include <arpa/inet.h>
1014   #include <arpa/nameser.h>
1015   #include <arpa/nameser_compat.h>
1016   #include <resolv.h>
1017   ], [static int i; i = 0;],
1018   [AC_MSG_RESULT(yes)
1019    AC_DEFINE(HAVE_ARPA_NAMESER_COMPAT_H, 1, [define if arpa/nameser_compat.h exists])],
1020   [AC_MSG_RESULT(no)
1021    ])
1022
1023   openafs_save_libs="$LIBS"
1024   AC_MSG_CHECKING([for res_search])
1025   AC_FUNC_RES_SEARCH
1026
1027   if test "$ac_cv_func_res_search" = no; then
1028       for lib in dns nsl resolv; do
1029         if test "$ac_cv_func_res_search" != yes; then
1030           LIBS="-l$lib $LIBS"
1031           AC_FUNC_RES_SEARCH
1032           LIBS="$openafs_save_libs"
1033         fi
1034       done
1035       if test "$ac_cv_func_res_search" = yes; then
1036         LIB_AFSDB="-l$lib"
1037         AC_DEFINE(HAVE_RES_SEARCH, 1, [])
1038         AC_MSG_RESULT([yes, in lib$lib])
1039       else
1040         AC_MSG_RESULT(no)
1041       fi
1042   else
1043     AC_DEFINE(HAVE_RES_SEARCH, 1, [])
1044     AC_MSG_RESULT(yes)
1045   fi
1046
1047 fi
1048
1049 AC_CHECK_RESOLV_RETRANS
1050
1051 AC_CACHE_CHECK([for setsockopt(, SOL_IP, IP_RECVERR)],
1052     [ac_cv_setsockopt_iprecverr],
1053     [AC_TRY_COMPILE( [
1054 #include <sys/types.h>
1055 #include <sys/socket.h>
1056 #include <netinet/in.h>],
1057 [int on=1;
1058 setsockopt(0, SOL_IP, IP_RECVERR, &on, sizeof(on));],
1059         [ac_cv_setsockopt_iprecverr=yes],
1060         [ac_cv_setsockopt_iprecverr=no])])
1061
1062 AS_IF([test "$ac_cv_setsockopt_iprecverr" = "yes"],
1063       [AC_DEFINE(ADAPT_PMTU_RECVERR, 1,
1064                  [define if asynchronous socket errors can be received])])
1065
1066 PTHREAD_LIBS=error
1067 if test "x$MKAFS_OSTYPE" = OBSD; then
1068         PTHREAD_LIBS="-pthread"
1069 fi
1070 if test "x$MKAFS_OSTYPE" = xDFBSD; then
1071         PTHREAD_LIBS="-pthread"
1072 fi
1073 if test "x$PTHREAD_LIBS" = xerror; then
1074         AC_CHECK_LIB(pthread, pthread_attr_init,
1075                 PTHREAD_LIBS="-lpthread")
1076 fi
1077 if test "x$PTHREAD_LIBS" = xerror; then
1078         AC_CHECK_LIB(pthreads, pthread_attr_init,
1079                 PTHREAD_LIBS="-lpthreads")
1080 fi
1081 if test "x$PTHREAD_LIBS" = xerror; then
1082         AC_CHECK_LIB(c_r, pthread_attr_init,
1083                 PTHREAD_LIBS="-lc_r")
1084 fi
1085 if test "x$PTHREAD_LIBS" = xerror; then
1086         AC_CHECK_FUNC(pthread_attr_init, PTHREAD_LIBS="")
1087 fi
1088 if test "x$PTHREAD_LIBS" = xerror; then
1089         # pthread_attr_init is a macro under HPUX 11.0 and 11.11
1090         AC_CHECK_LIB(pthread, pthread_attr_destroy,
1091                 PTHREAD_LIBS="-lpthread")
1092 fi
1093 if test "x$PTHREAD_LIBS" = xerror; then
1094         AC_MSG_WARN(*** Unable to locate working posix thread library ***)
1095 fi
1096 AC_SUBST(PTHREAD_LIBS)
1097
1098 HOST_CPU="$host_cpu"
1099
1100 if test "x$with_bsd_kernel_headers" != "x"; then
1101         BSD_KERNEL_PATH="$with_bsd_kernel_headers"
1102 else
1103         BSD_KERNEL_PATH="/usr/src/sys"
1104 fi
1105
1106 if test "x$with_bsd_kernel_build" != "x"; then
1107         BSD_KERNEL_BUILD="$with_bsd_kernel_build"
1108 else
1109         case $AFS_SYSNAME in
1110                 *_fbsd_*)
1111                         BSD_KERNEL_BUILD="${BSD_KERNEL_PATH}/${HOST_CPU}/compile/GENERIC"
1112                         ;;
1113                 *_nbsd*)
1114                         BSD_KERNEL_BUILD="${BSD_KERNEL_PATH}/arch/${HOST_CPU}/compile/GENERIC"
1115         esac
1116 fi
1117
1118 # Fast restart
1119 if test "$enable_supergroups" = "yes"; then
1120         AC_DEFINE(SUPERGROUPS, 1, [define if you want to have support for nested pts groups])
1121 fi
1122
1123 if test "$enable_bitmap_later" = "yes"; then
1124         AC_DEFINE(BITMAP_LATER, 1, [define if you want to salvager to check bitmasks later])
1125 fi
1126
1127 if test "$enable_demand_attach_fs" = "yes"; then
1128         AC_DEFINE(DEMAND_ATTACH_ENABLE, 1, [define if you want the demand attach fileserver])
1129         DEMAND_ATTACH="yes"
1130 else
1131         DEMAND_ATTACH="no"
1132 fi
1133 AC_SUBST(DEMAND_ATTACH)
1134
1135 if test "$enable_unix_sockets" = "yes"; then
1136         AC_DEFINE(USE_UNIX_SOCKETS, 1, [define if you want to use UNIX sockets for fssync.])
1137         USE_UNIX_SOCKETS="yes"
1138 else
1139         USE_UNIX_SOCKETS="no"
1140 fi
1141 AC_SUBST(USE_UNIX_SOCKETS)
1142
1143 if test "$enable_icmp_pmtu_discovery" = "yes"; then
1144    if test "$ac_cv_setsockopt_iprecverr" = "yes"; then
1145         AC_DEFINE(ADAPT_PMTU, 1, [define if you want to decode icmp unreachable packets to discover path mtu])
1146    fi
1147 fi
1148
1149 if test "$enable_namei_fileserver" = "yes"; then
1150         AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1151         VFSCK=""
1152 else
1153         if test "$enable_namei_fileserver" = "default"; then
1154                 case $host in
1155                         *-solaris2.10*)
1156                                 AC_MSG_WARN(Some Solaris 10 versions are not safe with the inode fileserver. Forcing namei. Override with --disable-namei-fileserver)
1157                                 AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1158                                 VFSCK=""
1159                                 ;;
1160                         *-solaris2.11*)
1161                                 AC_MSG_WARN(Solaris 11 versions are not safe with the inode fileserver. Forcing namei. Override with --disable-namei-fileserver)
1162                                 AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1163                                 VFSCK=""
1164                                 ;;
1165                         *)
1166                                 VFSCK="vfsck"
1167                                 ;;
1168                 esac
1169         else
1170                 VFSCK="vfsck"
1171         fi
1172 fi
1173
1174 dnl check for tivoli
1175 AC_MSG_CHECKING(for tivoli tsm butc support)
1176 XBSA_CFLAGS=""
1177 if test "$enable_tivoli_tsm" = "yes"; then
1178         XBSADIR1=/usr/tivoli/tsm/client/api/bin/xopen
1179         XBSADIR2=/opt/tivoli/tsm/client/api/bin/xopen
1180         XBSADIR3=/usr/tivoli/tsm/client/api/bin/sample
1181         XBSADIR4=/opt/tivoli/tsm/client/api/bin/sample
1182
1183         if test -r "$XBSADIR3/dsmapifp.h"; then
1184                 XBSA_CFLAGS="-Dxbsa -DNEW_XBSA -I$XBSADIR3"
1185                 XBSA_XLIBS="-ldl"
1186                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1187         elif test -r "$XBSADIR4/dsmapifp.h"; then
1188                 XBSA_CFLAGS="-Dxbsa -DNEW_XBSA -I$XBSADIR4"
1189                 XBSA_XLIBS="-ldl"
1190                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1191         elif test -r "$XBSADIR1/xbsa.h"; then
1192                 XBSA_CFLAGS="-Dxbsa -I$XBSADIR1"
1193                 XBSA_XLIBS=""
1194                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1195         elif test -r "$XBSADIR2/xbsa.h"; then
1196                 XBSA_CFLAGS="-Dxbsa -I$XBSADIR2"
1197                 XBSA_XLIBS=""
1198                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1199         else
1200                 AC_MSG_RESULT([no, missing xbsa.h and dsmapifp.h header files])
1201         fi
1202 else
1203         AC_MSG_RESULT([no])
1204 fi
1205 AC_SUBST(XBSA_CFLAGS)
1206 AC_SUBST(XBSA_XLIBS)
1207
1208 dnl checks for header files.
1209 AC_HEADER_STDC
1210 AC_HEADER_SYS_WAIT
1211 AC_HEADER_DIRENT
1212 AC_CHECK_HEADERS(stdlib.h string.h unistd.h fcntl.h sys/time.h sys/file.h grp.h)
1213 AC_CHECK_HEADERS(netinet/in.h netdb.h sys/fcntl.h sys/mnttab.h sys/mntent.h)
1214 AC_CHECK_HEADERS(mntent.h sys/vfs.h sys/param.h sys/fs_types.h sys/fstyp.h)
1215 AC_CHECK_HEADERS(sys/mount.h strings.h termios.h signal.h sys/pag.h)
1216 AC_CHECK_HEADERS(windows.h direct.h sys/ipc.h sys/resource.h)
1217 AC_CHECK_HEADERS(security/pam_modules.h ucontext.h regex.h sys/statvfs.h sys/statfs.h sys/bitypes.h)
1218 AC_CHECK_HEADERS(linux/errqueue.h,,,[#include <linux/types.h>])
1219 AC_CHECK_HEADERS(et/com_err.h)
1220
1221 AC_CHECK_TYPES([fsblkcnt_t],,,[
1222 #include <sys/types.h>
1223 #ifdef HAVE_SYS_BITYPES_H
1224 #include <sys/bitypes.h>
1225 #endif
1226 #ifdef HAVE_SYS_STATFS_H
1227 #include <sys/statfs.h>
1228 #endif
1229 #ifdef HAVE_SYS_STATVFS_H
1230 #include <sys/statvfs.h>
1231 #endif
1232 ])
1233
1234 OPENAFS_TEST_PACKAGE(libintl,[#include <libintl.h>],[-lintl],,,INTL)
1235
1236 dnl Don't build PAM on IRIX; the interface doesn't work for us.
1237 if test "$ac_cv_header_security_pam_modules_h" = yes -a "$enable_pam" = yes; then
1238         case $AFS_SYSNAME in
1239         sgi_*)
1240                 HAVE_PAM="no"
1241                 ;;
1242         *)
1243                 HAVE_PAM="yes"
1244                 ;;
1245         esac
1246 else
1247         HAVE_PAM="no"
1248 fi
1249 AC_SUBST(HAVE_PAM)
1250
1251 if test "$enable_login" = yes; then
1252         BUILD_LOGIN="yes"
1253 else
1254         BUILD_LOGIN="no"
1255 fi
1256 AC_SUBST(BUILD_LOGIN)
1257
1258 AC_CHECK_FUNCS(snprintf strlcat strlcpy flock getrlimit)
1259 AC_CHECK_FUNCS(setprogname getprogname sigaction mkstemp vsnprintf strerror strcasestr)
1260 AC_CHECK_FUNCS(setvbuf vsyslog getcwd)
1261 AC_CHECK_FUNCS(regcomp regexec regerror)
1262 AC_CHECK_FUNCS(fseeko64 ftello64)
1263 AC_MSG_CHECKING([for POSIX regex library])
1264 if test "$ac_cv_header_regex_h" = "yes" && \
1265         test "$ac_cv_func_regcomp" = "yes" && \
1266         test "$ac_cv_func_regexec" = "yes" && \
1267         test "$ac_cv_func_regerror" = "yes"; then
1268     AC_DEFINE(HAVE_POSIX_REGEX, 1, [define if you have POSIX regex library])
1269     AC_MSG_RESULT(yes)
1270 else
1271     AC_MSG_RESULT(no)
1272 fi
1273
1274 AC_TYPE_SIGNAL
1275 AC_CHECK_SIZEOF(void *)
1276 AC_CHECK_SIZEOF(unsigned long long)
1277 AC_CHECK_SIZEOF(unsigned long)
1278 AC_CHECK_SIZEOF(unsigned int)
1279 AC_TYPE_INTPTR_T
1280 AC_TYPE_UINTPTR_T
1281 AC_TYPE_SSIZE_T
1282 AC_CHECK_TYPE([sig_atomic_t],[],
1283     [AC_DEFINE([sig_atomic_t], [int],
1284         [Define to int if <signal.h> does not define.])],
1285 [#include <sys/types.h>
1286 #include <signal.h>])
1287 AC_CHECK_TYPE([socklen_t],[],
1288     [AC_DEFINE([socklen_t], [int],
1289         [Define to int if <sys/socket.h> does not define.])],
1290 [#include <sys/types.h>
1291 #include <sys/socket.h>])
1292 AC_CHECK_TYPES(off64_t)
1293 AC_SIZEOF_TYPE(long)
1294
1295 AC_HEADER_PAM_CONST
1296
1297 AC_CHECK_FUNCS(timegm)
1298 AC_CHECK_FUNCS(daemon)
1299
1300 dnl Directory PATH handling
1301 if test "x$enable_transarc_paths" = "xyes"  ; then
1302     afsconfdir=${afsconfdir=/usr/afs/etc}
1303     viceetcdir=${viceetcdir=/usr/vice/etc}
1304     afskerneldir=${afskerneldir=${viceetcdir}}
1305     afssrvbindir=${afssrvbindir=/usr/afs/bin}
1306     afssrvsbindir=${afssrvsbindir=/usr/afs/bin}
1307     afssrvlibexecdir=${afssrvlibexecdir=/usr/afs/bin}
1308     afsdbdir=${afsdbdir=/usr/afs/db}
1309     afslogsdir=${afslogsdir=/usr/afs/logs}
1310     afslocaldir=${afslocaldir=/usr/afs/local}
1311     afsbackupdir=${afsbackupdir=/usr/afs/backup}
1312     afsbosconfigdir=${afsbosconfigdir=/usr/afs/local}
1313     afsdatadir=${afsdatadir=/usr/vice/etc}
1314 else
1315     afsconfdir=${afsconfdir='${sysconfdir}/openafs/server'}
1316     viceetcdir=${viceetcdir='${sysconfdir}/openafs'}
1317     afskerneldir=${afskerneldir='${libdir}/openafs'}
1318     afssrvbindir=${afssrvbindir='${bindir}'}
1319     afssrvsbindir=${afssrvsbindir='${sbindir}'}
1320     afssrvlibexecdir=${afssrvlibexecdir='${libexecdir}/openafs'}
1321     afsdbdir=${afsdbdir='${localstatedir}/openafs/db'}
1322     afslogsdir=${afslogsdir='${localstatedir}/openafs/logs'}
1323     afslocaldir=${afslocaldir='${localstatedir}/openafs'}
1324     afsbackupdir=${afsbackupdir='${localstatedir}/openafs/backup'}
1325     afsbosconfigdir=${afsbosconfigdir='${sysconfdir}/openafs'}
1326     afsdatadir=${afsdatadir='${datadir}/openafs'}
1327 fi
1328 AC_SUBST(afsconfdir)
1329 AC_SUBST(viceetcdir)
1330 AC_SUBST(afskerneldir)
1331 AC_SUBST(afssrvbindir)
1332 AC_SUBST(afssrvsbindir)
1333 AC_SUBST(afssrvlibexecdir)
1334 AC_SUBST(afsdbdir)
1335 AC_SUBST(afslogsdir)
1336 AC_SUBST(afslocaldir)
1337 AC_SUBST(afsbackupdir)
1338 AC_SUBST(afsbosconfigdir)
1339 AC_SUBST(afsdatadir)
1340
1341 if test "x$enable_kernel_module" = "xyes"; then
1342 ENABLE_KERNEL_MODULE=libafs
1343 fi
1344
1345 if test "x$enable_pthreaded_ubik" = "xyes"; then
1346 ENABLE_PTHREADED_UBIK=yes
1347 fi
1348
1349 AC_SUBST(VFSCK)
1350 AC_SUBST(AFS_SYSNAME)
1351 AC_SUBST(AFS_PARAM_COMMON)
1352 AC_SUBST(ENABLE_KERNEL_MODULE)
1353 AC_SUBST(ENABLE_PTHREADED_UBIK)
1354 AC_SUBST(LIB_AFSDB)
1355 AC_SUBST(LINUX_KERNEL_PATH)
1356 AC_SUBST(LINUX_KERNEL_BUILD)
1357 AC_SUBST(HOST_CPU)
1358 AC_SUBST(BSD_KERNEL_PATH)
1359 AC_SUBST(BSD_KERNEL_BUILD)
1360 AC_SUBST(LINUX_VERSION)
1361 AC_SUBST(MKAFS_OSTYPE)
1362 AC_SUBST(TOP_OBJDIR)
1363 AC_SUBST(TOP_SRCDIR)
1364 AC_SUBST(TOP_INCDIR)
1365 AC_SUBST(TOP_LIBDIR)
1366 AC_SUBST(DEST)
1367 AC_SUBST(DARWIN_INFOFILE)
1368 AC_SUBST(IRIX_BUILD_IP35)
1369 AC_SUBST(HTML_XSL)
1370 AC_SUBST(XSLTPROC)
1371
1372 OPENAFS_OSCONF
1373 OPENAFS_FUSE
1374
1375 TOP_SRCDIR="${srcdir}/src"
1376 dnl
1377 dnl If we're using ./configure, need a more reasonable TOP_SRCDIR, since relative links don't work everywhere
1378 dnl
1379 case $TOP_SRCDIR in
1380         /*)
1381                 ;;
1382         *)
1383                 TOP_SRCDIR=`cd $TOP_SRCDIR; pwd`
1384                 ;;
1385 esac
1386
1387 TOP_OBJDIR="${SRCDIR_PARENT}"
1388 TOP_INCDIR="${SRCDIR_PARENT}/include"
1389 TOP_LIBDIR="${SRCDIR_PARENT}/lib"
1390 if test "${DEST}x" = "x"; then
1391         DEST="${SRCDIR_PARENT}/${AFS_SYSNAME}/dest"
1392 fi
1393
1394 HELPER_SPLINT="${TOP_SRCDIR}/helper-splint.sh"
1395 HELPER_SPLINTCFG="${TOP_SRCDIR}/splint.cfg"
1396 AC_SUBST(HELPER_SPLINT)
1397 AC_SUBST(HELPER_SPLINTCFG)
1398
1399 mkdir -p ${TOP_OBJDIR}/src/JAVA/libjafs
1400
1401 ])