acinclude.m4

   1 dnl This file contains the common configuration code which would
   2 dnl otherwise be duplicated between configure and configure-libafs.
   3 dnl
   4 dnl NB: Because this code is a macro, references to positional shell
   5 dnl parameters must be done like $[]1 instead of $1
   6
   7 AC_DEFUN([OPENAFS_CONFIGURE_COMMON],[
   8 AH_BOTTOM([
   9 #undef HAVE_RES_SEARCH
  10 #undef STRUCT_SOCKADDR_HAS_SA_LEN
  11 #if !defined(__BIG_ENDIAN__) && !defined(__LITTLE_ENDIAN__)
  12 # if ENDIANESS_IN_SYS_PARAM_H
  13 #  ifndef KERNEL
  14 #   include <sys/types.h>
  15 #   include <sys/param.h>
  16 #   if BYTE_ORDER == BIG_ENDIAN
  17 #   define WORDS_BIGENDIAN 1
  18 #   endif
  19 #  else
  20 #   if defined(AUTOCONF_FOUND_BIGENDIAN)
  21 #    define WORDS_BIGENDIAN 1
  22 #   else
  23 #    undef WORDS_BIGENDIAN
  24 #   endif
  25 #  endif
  26 # else
  27 #  if defined(AUTOCONF_FOUND_BIGENDIAN)
  28 #   define WORDS_BIGENDIAN 1
  29 #  else
  30 #   undef WORDS_BIGENDIAN
  31 #  endif
  32 # endif
  33 #else
  34 # if defined(__BIG_ENDIAN__)
  35 #  define WORDS_BIGENDIAN 1
  36 # else
  37 #  undef WORDS_BIGENDIAN
  38 # endif
  39 #endif
  40 #ifdef UKERNEL
  41 /*
  42  * Always use 64-bit file offsets for UKERNEL code. Needed for UKERNEL stuff to
  43  * play nice with some other interfaces like FUSE. We technically only would
  44  * need to define this when building for such interfaces, but set it always to
  45  * try and reduce potential confusion.
  46  */
  47 #define _FILE_OFFSET_BITS 64
  48 #define AFS_CACHE_VNODE_PATH
  49 #endif
  50
  51 #undef AFS_NAMEI_ENV
  52 #undef BITMAP_LATER
  53 #undef FAST_RESTART
  54 #undef DEFINED_FOR_EACH_PROCESS
  55 #undef DEFINED_PREV_TASK
  56 #undef EXPORTED_SYS_CALL_TABLE
  57 #undef EXPORTED_IA32_SYS_CALL_TABLE
  58 #undef IRIX_HAS_MEM_FUNCS
  59 #undef RECALC_SIGPENDING_TAKES_VOID
  60 #undef STRUCT_FS_HAS_FS_ROLLED
  61 #undef ssize_t
  62 #undef HAVE_ARPA_NAMESER_COMPAT_H
  63 /* glue for RedHat kernel bug */
  64 #undef ENABLE_REDHAT_BUILDSYS
  65 #if defined(ENABLE_REDHAT_BUILDSYS) && defined(KERNEL) && defined(REDHAT_FIX)
  66 #include "redhat-fix.h"
  67 #endif])
  68
  69 AC_CANONICAL_HOST
  70 SRCDIR_PARENT=`pwd`
  71
  72 #BOZO_SAVE_CORES pam
  73
  74 dnl System identity.
  75 AC_ARG_WITH([afs-sysname],
  76     [AS_HELP_STRING([--with-afs-sysname=sys], [use sys for the afs sysname])])
  77
  78 dnl General feature options.
  79 AC_ARG_ENABLE([pam],
  80     [AS_HELP_STRING([--disable-pam], [disable PAM support])],
  81     ,
  82     [enable_pam="yes"])
  83 AC_ARG_ENABLE([namei-fileserver],
  84     [AS_HELP_STRING([--enable-namei-fileserver],
  85         [force compilation of namei fileserver in preference to inode
  86          fileserver])],
  87     ,
  88     [enable_namei_fileserver="default"])
  89 AC_ARG_ENABLE([cache-bypass],
  90     [AS_HELP_STRING([--enable-cache-bypass],
  91         [enable client support for cache bypass])],
  92     ,
  93     [enable_cache_bypass="no"])
  94 AC_ARG_ENABLE([supergroups],
  95     [AS_HELP_STRING([--enable-supergroups],
  96         [enable support for nested pts groups])],
  97     ,
  98     [enable_supergroups="no"])
  99 AC_ARG_ENABLE([bitmap-later],
 100     [AS_HELP_STRING([--enable-bitmap-later],
 101         [enable fast startup of file server by not reading bitmap till
 102          needed])],
 103     ,
 104     [enable_bitmap_later="no"])
 105 AC_ARG_ENABLE([demand-attach-fs],
 106     [AS_HELP_STRING([--enable-demand-attach-fs],
 107         [enable Demand Attach Fileserver (please see documentation)])],
 108     ,
 109     [enable_demand_attach_fs="no"])
 110 AC_ARG_ENABLE([disconnected],
 111     [AS_HELP_STRING([--enable-disconnected],
 112         [enable disconnected support in cache manager (experimental)])],
 113     ,
 114     [enable_disconnected="no"])
 115 AC_ARG_ENABLE([unix-sockets],
 116     [AS_HELP_STRING([--disable-unix-sockets],
 117         [disable use of unix domain sockets for fssync (defaults to enabled)])],
 118     ,
 119     [enable_unix_sockets="yes"])
 120 AC_ARG_ENABLE([icmp-pmtu-discovery],
 121     [AS_HELP_STRING([--enable-icmp-pmtu-discovery],
 122         [enable path MTU discovery by decoding ICMP unreachable replies])],
 123     ,
 124     [enable_icmp_pmtu_discovery="no"])
 125 AC_ARG_ENABLE([tivoli-tsm],
 126     [AS_HELP_STRING([--enable-tivoli-tsm],
 127         [enable use of the Tivoli TSM API libraries for butc support])],
 128     ,
 129     [enable_tivoli_tsm="no"])
 130 AC_ARG_ENABLE([pthreaded-ubik],
 131     [AS_HELP_STRING([--enable-pthreaded-ubik],
 132         [enable installation of pthreaded ubik applications (defaults to
 133          disabled)])],
 134     ,
 135     [enable_pthreaded_ubik="no"])
 136
 137 dnl Kernel module build options.
 138 AC_ARG_WITH([linux-kernel-headers],
 139     [AS_HELP_STRING([--with-linux-kernel-headers=path],
 140         [use the kernel headers found at path (optional, defaults to
 141          /usr/src/linux-2.4, then /usr/src/linux)])])
 142 AC_ARG_WITH([linux-kernel-build],
 143     [AS_HELP_STRING([--with-linux-kernel-build=path],
 144         [use the kernel build found at path(optional, defaults to
 145         /usr/src/linux-2.4, then /usr/src/linux)])])
 146 AC_ARG_WITH([bsd-kernel-headers],
 147     [AS_HELP_STRING([--with-bsd-kernel-headers=path],
 148         [use the kernel headers found at path (optional, defaults to
 149          /usr/src/sys)])])
 150 AC_ARG_WITH([bsd-kernel-build],
 151     [AS_HELP_STRING([--with-bsd-kernel-build=path],
 152         [use the kernel build found at path (optional, defaults to
 153          KSRC/i386/compile/GENERIC)])])
 154 AC_ARG_WITH([linux-kernel-packaging],
 155     [AS_HELP_STRING([--with-linux-kernel-packaging],
 156         [use standard naming conventions to aid Linux kernel build packaging
 157          (disables MPS, sets the kernel module name to openafs.ko, and
 158          installs kernel modules into the standard Linux location)])],
 159     [AC_SUBST(LINUX_KERNEL_PACKAGING, "yes")
 160      AC_SUBST(LINUX_LIBAFS_NAME, "openafs")],
 161     [AC_SUBST(LINUX_LIBAFS_NAME, "libafs")])
 162 AC_ARG_ENABLE([kernel-module],
 163     [AS_HELP_STRING([--disable-kernel-module],
 164         [disable compilation of the kernel module (defaults to enabled)])],
 165     ,
 166     [enable_kernel_module="yes"])
 167 AC_ARG_ENABLE([redhat-buildsys],
 168     [AS_HELP_STRING([--enable-redhat-buildsys],
 169         [enable compilation of the redhat build system kernel (defaults to
 170          disabled)])],
 171     ,
 172     [enable_redhat_buildsys="no"])
 173
 174 dnl Installation locations.
 175 AC_ARG_ENABLE([transarc-paths],
 176     [AS_HELP_STRING([--enable-transarc-paths],
 177         [use Transarc style paths like /usr/afs and /usr/vice])],
 178     ,
 179     [enable_transarc_paths="no"])
 180
 181 dnl Optimization and debugging flags.
 182 AC_ARG_ENABLE([strip-binaries],
 183     [AS_HELP_STRING([--disable-strip-binaries],
 184         [disable stripping of symbol information from binaries (defaults to
 185          enabled)])],
 186     ,
 187     [enable_strip_binaries="maybe"])
 188 AC_ARG_ENABLE([debug],
 189     [AS_HELP_STRING([--enable-debug],
 190         [enable compilation of the user space code with debugging information
 191          (defaults to disabled)])],
 192     ,
 193     [enable_debug="no"])
 194 AC_ARG_ENABLE([optimize],
 195     [AS_HELP_STRING([--disable-optimize],
 196         [disable optimization for compilation of the user space code (defaults
 197          to enabled)])],
 198     ,
 199     [enable_optimize="yes"])
 200 AC_ARG_ENABLE([warnings],
 201     [AS_HELP_STRING([--enable-warnings],
 202         [enable compilation warnings when building with gcc (defaults to
 203          disabled)])],
 204     ,
 205     [enable_warnings="no"])
 206 AC_ARG_ENABLE([checking],
 207     [AS_HELP_STRING([--enable-checking],
 208         [turn compilation warnings into errors when building with gcc (defaults
 209          to disabled)])],
 210     [enable_checking="$enableval"],
 211     [enable_checking="no"])
 212 AC_ARG_ENABLE([debug-kernel],
 213     [AS_HELP_STRING([--enable-debug-kernel],
 214         [enable compilation of the kernel module with debugging information
 215          (defaults to disabled)])],
 216     ,
 217     [enable_debug_kernel="no"])
 218 AC_ARG_ENABLE([optimize-kernel],
 219     [AS_HELP_STRING([--disable-optimize-kernel],
 220         [disable compilation of the kernel module with optimization (defaults
 221          based on platform)])],
 222     ,
 223     [enable_optimize_kernel="yes"])
 224 AC_ARG_ENABLE([debug-lwp],
 225     [AS_HELP_STRING([--enable-debug-lwp],
 226         [enable compilation of the LWP code with debugging information
 227          (defaults to disabled)])],
 228     ,
 229     [enable_debug_lwp="no"])
 230 AC_ARG_ENABLE([optimize-lwp],
 231     [AS_HELP_STRING([--disable-optimize-lwp],
 232         [disable optimization for compilation of the LWP code (defaults to
 233          enabled)])],
 234     ,
 235     [enable_optimize_lwp="yes"])
 236 AC_ARG_ENABLE([debug-pam],
 237     [AS_HELP_STRING([--enable-debug-pam],
 238         [enable compilation of the PAM code with debugging information
 239          (defaults to disabled)])],
 240     ,
 241     [enable_debug_pam="no"])
 242 AC_ARG_ENABLE([optimize-pam],
 243     [AS_HELP_STRING([--disable-optimize-pam],
 244         [disable optimization for compilation of the PAM code (defaults to
 245          enabled)])],
 246     ,
 247     [enable_optimize_pam="yes"])
 248 AC_ARG_ENABLE([linux-syscall-probing],
 249     [AS_HELP_STRING([--enable-linux-syscall-probing],
 250         [enable Linux syscall probing (defaults to autodetect)])],
 251     ,
 252     [enable_linux_syscall_probing="maybe"])
 253
 254
 255 AC_ARG_WITH([xslt-processor],
 256         AS_HELP_STRING([--with-xslt-processor=ARG],
 257         [which XSLT processor to use (possible choices are: libxslt, saxon, xalan-j, xsltproc)]),
 258         XSLTPROC="$withval",
 259         XSLTPROC="libxslt")
 260
 261 AC_ARG_WITH([html-xsl],
 262         AS_HELP_STRING([--with-html-xsl],
 263         [build HTML documentation using Norman Walsh's DocBook XSL stylesheets (default is no; specify a path to chunk.xsl or docbook.xsl)]),
 264         HTML_XSL="$withval",
 265         HTML_XSL=no)
 266
 267 enable_login="no"
 268
 269 dnl weird ass systems
 270 dnl AC_AIX
 271 AC_ISC_POSIX
 272 dnl AC_MINIX
 273
 274 dnl Various compiler setup.
 275 AC_TYPE_PID_T
 276 AC_TYPE_SIZE_T
 277
 278 dnl Checks for programs.
 279 AC_PROG_INSTALL
 280 AC_PROG_LN_S
 281 AC_PROG_RANLIB
 282 AC_PROG_YACC
 283 AM_PROG_LEX
 284
 285 OPENAFS_CHECK_BIGENDIAN
 286 OPENAFS_PRINTF_TAKES_Z_LEN
 287
 288 AC_MSG_CHECKING(your OS)
 289 system=$host
 290 case $system in
 291         *-linux*)
 292
 293                 MKAFS_OSTYPE=LINUX
 294                 if test "x$enable_redhat_buildsys" = "xyes"; then
 295                  AC_DEFINE(ENABLE_REDHAT_BUILDSYS, 1, [define if you have redhat buildsystem])
 296                 fi
 297                 if test "x$enable_kernel_module" = "xyes"; then
 298                  if test "x$with_linux_kernel_headers" != "x"; then
 299                    LINUX_KERNEL_PATH="$with_linux_kernel_headers"
 300                  else
 301                    LINUX_KERNEL_PATH="/lib/modules/`uname -r`/source"
 302                    if test ! -f "$LINUX_KERNEL_PATH/include/linux/version.h"; then
 303                      LINUX_KERNEL_PATH="/lib/modules/`uname -r`/build"
 304                    fi
 305                    if test ! -f "$LINUX_KERNEL_PATH/include/linux/version.h"; then
 306                      LINUX_KERNEL_PATH="/usr/src/linux-2.4"
 307                    fi
 308                    if test ! -f "$LINUX_KERNEL_PATH/include/linux/version.h"; then
 309                      LINUX_KERNEL_PATH="/usr/src/linux"
 310                    fi
 311                  fi
 312                  if test "x$with_linux_kernel_build" != "x"; then
 313                          LINUX_KERNEL_BUILD="$with_linux_kernel_build"
 314                  else
 315                    LINUX_KERNEL_BUILD=$LINUX_KERNEL_PATH
 316                  fi
 317                  if test -f "$LINUX_KERNEL_BUILD/include/generated/utsrelease.h"; then
 318                    linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/generated/utsrelease.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
 319                    LINUX_VERSION="$linux_kvers"
 320                  else
 321                    if test -f "$LINUX_KERNEL_BUILD/include/linux/utsrelease.h"; then
 322                      linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/linux/utsrelease.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
 323                      LINUX_VERSION="$linux_kvers"
 324                    else
 325                      if test -f "$LINUX_KERNEL_BUILD/include/linux/version.h"; then
 326                        linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/linux/version.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
 327                        if test "x$linux_kvers" = "x"; then
 328                          if test -f "$LINUX_KERNEL_BUILD/include/linux/version-up.h"; then
 329                            linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/linux/version-up.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
 330                            if test "x$linux_kvers" = "x"; then
 331                              AC_MSG_ERROR(Linux headers lack version definition [2])
 332                              exit 1
 333                            else
 334                              LINUX_VERSION="$linux_kvers"
 335                            fi
 336                          else
 337                            AC_MSG_ERROR(Linux headers lack version definition)
 338                            exit 1
 339                          fi
 340                        else
 341                          LINUX_VERSION="$linux_kvers"
 342                        fi
 343                      else
 344                        enable_kernel_module="no"
 345                      fi
 346                    fi
 347                  fi
 348                  if test ! -f "$LINUX_KERNEL_BUILD/include/generated/autoconf.h" &&
 349                     test ! -f "$LINUX_KERNEL_BUILD/include/linux/autoconf.h"; then
 350                      enable_kernel_module="no"
 351                  fi
 352                  if test "x$enable_kernel_module" = "xno"; then
 353                   if test "x$with_linux_kernel_headers" != "x"; then
 354                    AC_MSG_ERROR(No usable linux headers found at $LINUX_KERNEL_PATH)
 355                    exit 1
 356                   else
 357                    AC_MSG_WARN(No usable linux headers found at $LINUX_KERNEL_PATH so disabling kernel module)
 358                   fi
 359                  fi
 360                  dnl do we need to determine SUBARCH from autoconf.h
 361                  SUBARCH=default
 362                 fi
 363                 AC_MSG_RESULT(linux)
 364                 if test "x$enable_kernel_module" = "xyes"; then
 365                  AFS_SYSKVERS=`echo $LINUX_VERSION | awk -F\. '{print $[]1 $[]2}'`
 366                  if test "x${AFS_SYSKVERS}" = "x"; then
 367                   AC_MSG_ERROR(Couldn't guess your Linux version [2])
 368                  fi
 369                 fi
 370                 ;;
 371         *-solaris*)
 372                 MKAFS_OSTYPE=SOLARIS
 373                 AC_MSG_RESULT(sun4)
 374                 AC_PATH_PROG(SOLARISCC, [cc], ,
 375                     [/opt/SUNWspro/bin:/opt/SunStudioExpress/bin])
 376                 SOLARIS_UFSVFS_HAS_DQRWLOCK
 377                 SOLARIS_FS_HAS_FS_ROLLED
 378                 SOLARIS_SOLOOKUP_TAKES_SOCKPARAMS
 379                 ;;
 380         *-sunos*)
 381                 MKAFS_OSTYPE=SUNOS
 382                 enable_kernel_module=no
 383                 AC_MSG_RESULT(sun4)
 384                 ;;
 385         *-hpux*)
 386                 MKAFS_OSTYPE=HPUX
 387                 AC_MSG_RESULT(hp_ux)
 388                 if test -f "/usr/old/usr/include/ndir.h"; then
 389                  AC_DEFINE(HAVE_USR_OLD_USR_INCLUDE_NDIR_H, 1, [define if you have old ndir.h])
 390                 fi
 391                 ;;
 392         *-irix*)
 393                 if test -d /usr/include/sys/SN/SN1; then
 394                  IRIX_BUILD_IP35="IP35"
 395                 fi
 396                 MKAFS_OSTYPE=IRIX
 397                 AC_MSG_RESULT(sgi)
 398                 ;;
 399         *-aix*)
 400                 MKAFS_OSTYPE=AIX
 401                 AC_MSG_RESULT(rs_aix)
 402                 ;;
 403         arm-*-darwin*)
 404                 MKAFS_OSTYPE=DARWIN
 405                 AC_MSG_RESULT(arm_darwin)
 406                 ;;
 407         powerpc-*-darwin*)
 408                 MKAFS_OSTYPE=DARWIN
 409                 AC_MSG_RESULT(ppc_darwin)
 410                 ;;
 411         i386-*-darwin*)
 412                 MKAFS_OSTYPE=DARWIN
 413                 AC_MSG_RESULT(x86_darwin)
 414                 ;;
 415         i386-*-freebsd*)
 416                 MKAFS_OSTYPE=FBSD
 417                 AC_MSG_RESULT(i386_fbsd)
 418                 ;;
 419         x86_64-*-freebsd*)
 420                 MKAFS_OSTYPE=FBSD
 421                 AC_MSG_RESULT(amd64_fbsd)
 422                 ;;
 423         *-netbsd*)
 424                 MKAFS_OSTYPE=NBSD
 425                 AC_MSG_RESULT(nbsd)
 426                 ;;
 427         x86_64-*-openbsd*)
 428                 MKAFS_OSTYPE=OBSD
 429                 AC_MSG_RESULT(amd64_obsd)
 430                 ;;
 431         i386-*-openbsd*)
 432                 MKAFS_OSTYPE=OBSD
 433                 AC_MSG_RESULT(i386_obsd)
 434                 ;;
 435         *-dragonfly*)
 436                 MKAFS_OSTYPE=DFBSD
 437                 AC_MSG_RESULT(i386_dfbsd)
 438                 ;;
 439         *)
 440                 AC_MSG_RESULT($system)
 441                 ;;
 442 esac
 443
 444 if test "x$with_afs_sysname" != "x"; then
 445         AFS_SYSNAME="$with_afs_sysname"
 446 else
 447         AC_MSG_CHECKING(your AFS sysname)
 448         case $host in
 449                 i?86-*-openbsd?.?)
 450                         v=${host#*openbsd}
 451                         vM=${v%.*}
 452                         vm=${v#*.}
 453                         AFS_SYSNAME="i386_obsd${vM}${vm}"
 454                         ;;
 455                 sparc64-*-openbsd?.?)
 456                         v=${host#*openbsd}
 457                         vM=${v%.*}
 458                         vm=${v#*.}
 459                         AFS_SYSNAME="sparc64_obsd${vM}${vm}"
 460                         ;;
 461                 x86_64-*-openbsd?.?)
 462                         v=${host#*openbsd}
 463                         vM=${v%.*}
 464                         vm=${v#*.}
 465                         AFS_SYSNAME="amd64_obsd${vM}${vm}"
 466                         ;;
 467                 i?86-*-freebsd?.*)
 468                         v=${host#*freebsd}
 469                         vM=${v%.*}
 470                         vm=${v#*.}
 471                         AFS_SYSNAME="i386_fbsd_${vM}${vm}"
 472                         ;;
 473                 x86_64-*-freebsd?.*)
 474                         v=${host#*freebsd}
 475                         vM=${v%.*}
 476                         vm=${v#*.}
 477                         AFS_SYSNAME="amd64_fbsd_${vM}${vm}"
 478                         ;;
 479                 i386-*-dragonfly2.2*)
 480                         AFS_SYSNAME="i386_dfbsd_23"
 481                         ;;
 482                 i386-*-dragonfly2.3*)
 483                         AFS_SYSNAME="i386_dfbsd_23"
 484                         ;;
 485                 i?86-*-netbsd*1.6[[M-Z]]*)
 486                         AFS_SYSNAME="i386_nbsd20"
 487                         ;;
 488                 powerpc-*-netbsd*1.6[[M-Z]]*)
 489                         AFS_SYSNAME="ppc_nbsd20"
 490                         ;;
 491                 *-*-netbsd*)
 492                         arch=${host%%-unknown*}
 493                         arch=$(echo $arch |sed -e 's/x86_64/amd64/g' \
 494                                                -e 's/powerpc/ppc/g')
 495                         v=${host#*netbsd}
 496                         v=${v#*aout}
 497                         v=${v#*ecoff}
 498                         v=${v#*elf}
 499                         vM=${v%%.*}
 500                         vM=${vM%.*}
 501                         v=${v#*.}
 502                         vm=${v%%.*}
 503                         vm=${vm%.*}
 504                         vm=${vm%%[[_A-Z]]*}
 505                         if test $vm -eq 99 ; then
 506                                 vM=$((vM+1))
 507                         fi
 508                         if test $vM -gt 1 ; then
 509                                 vm=0
 510                         fi
 511                         AFS_SYSNAME="${arch}_nbsd${vM}${vm}"
 512                         ;;
 513                 hppa*-hp-hpux11.0*)
 514                         AFS_SYSNAME="hp_ux110"
 515                         ;;
 516                 hppa*-hp-hpux11.11)
 517                         AFS_SYSNAME="hp_ux11i"
 518                         ;;
 519                 hppa*-hp-hpux11.23)
 520                         AFS_SYSNAME="hp_ux1123"
 521                         ;;
 522                 ia64-hp-hpux11.22)
 523                         AFS_SYSNAME="ia64_hpux1122"
 524                         ;;
 525                 ia64-hp-hpux*)
 526                         AFS_SYSNAME="ia64_hpux1123"
 527                         ;;
 528                 hppa*-hp-hpux10*)
 529                         AFS_SYSNAME="hp_ux102"
 530                         ;;
 531                 powerpc-apple-darwin7*)
 532                         AFS_SYSNAME="ppc_darwin_70"
 533                         ;;
 534                 powerpc-apple-darwin8.*)
 535                         AFS_SYSNAME="ppc_darwin_80"
 536                         ;;
 537                 i386-apple-darwin8.*)
 538                         AFS_SYSNAME="x86_darwin_80"
 539                         ;;
 540                 powerpc-apple-darwin9.*)
 541                         AFS_SYSNAME="ppc_darwin_90"
 542                         ;;
 543                 i386-apple-darwin9.*)
 544                         AFS_SYSNAME="x86_darwin_90"
 545                         ;;
 546                 i?86-apple-darwin10.*)
 547                         AFS_SYSNAME="x86_darwin_100"
 548                         ;;
 549                 sparc-sun-solaris2.5*)
 550                         AFS_SYSNAME="sun4x_55"
 551                         enable_login="yes"
 552                         ;;
 553                 sparc-sun-solaris2.6)
 554                         AFS_SYSNAME="sun4x_56"
 555                         ;;
 556                 sparc-sun-solaris2.7)
 557                         AFS_SYSNAME="sun4x_57"
 558                         ;;
 559                 sparc-sun-solaris2.8)
 560                         AFS_SYSNAME="sun4x_58"
 561                         ;;
 562                 sparc-sun-solaris2.9)
 563                         AFS_SYSNAME="sun4x_59"
 564                         ;;
 565                 sparc-sun-solaris2.10)
 566                         AFS_SYSNAME="sun4x_510"
 567                         ;;
 568                 sparc-sun-solaris2.11)
 569                         AFS_SYSNAME="sun4x_511"
 570                         ;;
 571                 sparc-sun-sunos4*)
 572                         AFS_SYSNAME="sun4_413"
 573                         enable_login="yes"
 574                         ;;
 575                 i386-pc-solaris2.7)
 576                         AFS_SYSNAME="sunx86_57"
 577                         ;;
 578                 i386-pc-solaris2.8)
 579                         AFS_SYSNAME="sunx86_58"
 580                         ;;
 581                 i386-pc-solaris2.9)
 582                         AFS_SYSNAME="sunx86_59"
 583                         ;;
 584                 i386-pc-solaris2.10)
 585                         AFS_SYSNAME="sunx86_510"
 586                         ;;
 587                 i386-pc-solaris2.11)
 588                         AFS_SYSNAME="sunx86_511"
 589                         ;;
 590                 alpha*-dec-osf4.0*)
 591                         AFS_SYSNAME="alpha_dux40"
 592                         ;;
 593                 alpha*-dec-osf5.0*)
 594                         AFS_SYSNAME="alpha_dux50"
 595                         ;;
 596                 alpha*-dec-osf5.1*)
 597                         AFS_SYSNAME="alpha_dux51"
 598                         ;;
 599                 mips-sgi-irix6.5)
 600                         AFS_SYSNAME="sgi_65"
 601                         ;;
 602                 ia64-*-linux*)
 603                         AFS_SYSNAME="ia64_linuxXX"
 604                         ;;
 605                 powerpc-*-linux*)
 606                         AFS_SYSNAME="`/bin/arch`_linuxXX"
 607                         ;;
 608                 powerpc64-*-linux*)
 609                         AFS_SYSNAME="ppc64_linuxXX"
 610                         ;;
 611                 alpha*-linux*)
 612                         AFS_SYSNAME="alpha_linux_XX"
 613                         ;;
 614                 s390-*-linux*)
 615                         AFS_SYSNAME="s390_linuxXX"
 616                         ;;
 617                 s390x-*-linux*)
 618                         AFS_SYSNAME="s390x_linuxXX"
 619                         ;;
 620                 sparc-*-linux*)
 621                         AFS_SYSNAME="`/bin/arch`_linuxXX"
 622                         ;;
 623                 sparc64-*-linux*)
 624                         AFS_SYSNAME="sparc64_linuxXX"
 625                         ;;
 626                 i?86-*-linux*)
 627                         AFS_SYSNAME="i386_linuxXX"
 628                         ;;
 629                 arm*-linux*)
 630                         AFS_SYSNAME="arm_linuxXX"
 631                         ;;
 632                 parisc-*-linux-gnu|hppa-*-linux-gnu)
 633                         AFS_SYSNAME="parisc_linuxXX"
 634                         enable_pam="no"
 635                         ;;
 636                 power*-ibm-aix4.2*)
 637                         AFS_SYSNAME="rs_aix42"
 638                         enable_pam="no"
 639                         ;;
 640                 power*-ibm-aix4.3*)
 641                         AFS_SYSNAME="rs_aix42"
 642                         enable_pam="no"
 643                         ;;
 644                 power*-ibm-aix5.1*)
 645                         AFS_SYSNAME="rs_aix51"
 646                         enable_pam="no"
 647                         ;;
 648                 power*-ibm-aix5.2*)
 649                         AFS_SYSNAME="rs_aix52"
 650                         enable_pam="no"
 651                         ;;
 652                 power*-ibm-aix5.3*)
 653                         AFS_SYSNAME="rs_aix53"
 654                         enable_pam="no"
 655                         ;;
 656                 power*-ibm-aix6.1*)
 657                         AFS_SYSNAME="rs_aix61"
 658                         enable_pam="no"
 659                         ;;
 660                 x86_64-*-linux-gnu)
 661                         AFS_SYSNAME="amd64_linuxXX"
 662                         enable_pam="yes"
 663                         ;;
 664                 *)
 665                         AC_MSG_ERROR(An AFS sysname is required)
 666                         exit 1
 667                         ;;
 668         esac
 669         case $AFS_SYSNAME in
 670                 *_linux* | *_umlinux*)
 671                         if test "x${AFS_SYSKVERS}" = "x"; then
 672                          AC_MSG_ERROR(Couldn't guess your Linux version. Please use the --with-afs-sysname option to configure an AFS sysname.)
 673                         fi
 674                         _AFS_SYSNAME=`echo $AFS_SYSNAME|sed s/XX\$/$AFS_SYSKVERS/`
 675                         AFS_SYSNAME="$_AFS_SYSNAME"
 676                         AC_TRY_KBUILD(
 677                          [],
 678                          [#ifndef CONFIG_USERMODE
 679                           #error not UML
 680                           #endif],
 681                          ac_cv_linux_is_uml=yes,)
 682                         if test "${ac_cv_linux_is_uml}" = yes; then
 683                          _AFS_SYSNAME=`echo $AFS_SYSNAME|sed s/linux/umlinux/`
 684                         fi
 685                         AFS_SYSNAME="$_AFS_SYSNAME"
 686                         ;;
 687         esac
 688         AC_MSG_RESULT($AFS_SYSNAME)
 689 fi
 690
 691 case $AFS_SYSNAME in
 692         *_darwin*)
 693                 AC_CHECK_HEADERS(crt_externs.h)
 694                 DARWIN_PLIST=src/libafs/afs.${AFS_SYSNAME}.plist
 695                 DARWIN_INFOFILE=afs.${AFS_SYSNAME}.plist
 696                 ;;
 697 esac
 698
 699 dnl Some hosts have a separate common param file they should include.  Figure
 700 dnl out if we're on one of them now that we know the sysname.
 701 case $AFS_SYSNAME in
 702     *_nbsd15)   AFS_PARAM_COMMON=param.nbsd15.h  ;;
 703     *_nbsd16)   AFS_PARAM_COMMON=param.nbsd16.h  ;;
 704     *_nbsd20)   AFS_PARAM_COMMON=param.nbsd20.h  ;;
 705     *_nbsd21)   AFS_PARAM_COMMON=param.nbsd21.h  ;;
 706     *_nbsd30)   AFS_PARAM_COMMON=param.nbsd30.h  ;;
 707     *_nbsd40)   AFS_PARAM_COMMON=param.nbsd40.h  ;;
 708     *_nbsd50)   AFS_PARAM_COMMON=param.nbsd50.h  ;;
 709     *_obsd31)   AFS_PARAM_COMMON=param.obsd31.h  ;;
 710     *_obsd32)   AFS_PARAM_COMMON=param.obsd32.h  ;;
 711     *_obsd33)   AFS_PARAM_COMMON=param.obsd33.h  ;;
 712     *_obsd34)   AFS_PARAM_COMMON=param.obsd34.h  ;;
 713     *_obsd35)   AFS_PARAM_COMMON=param.obsd35.h  ;;
 714     *_obsd36)   AFS_PARAM_COMMON=param.obsd36.h  ;;
 715     *_obsd37)   AFS_PARAM_COMMON=param.obsd37.h  ;;
 716     *_obsd38)   AFS_PARAM_COMMON=param.obsd38.h  ;;
 717     *_obsd39)   AFS_PARAM_COMMON=param.obsd39.h  ;;
 718     *_obsd40)   AFS_PARAM_COMMON=param.obsd40.h  ;;
 719     *_obsd41)   AFS_PARAM_COMMON=param.obsd41.h  ;;
 720     *_obsd42)   AFS_PARAM_COMMON=param.obsd42.h  ;;
 721     *_obsd43)   AFS_PARAM_COMMON=param.obsd43.h  ;;
 722     *_obsd44)   AFS_PARAM_COMMON=param.obsd44.h  ;;
 723     *_obsd45)   AFS_PARAM_COMMON=param.obsd45.h  ;;
 724     *_obsd46)   AFS_PARAM_COMMON=param.obsd46.h  ;;
 725     *_linux22)  AFS_PARAM_COMMON=param.linux22.h ;;
 726     *_linux24)  AFS_PARAM_COMMON=param.linux24.h ;;
 727     *_linux26)  AFS_PARAM_COMMON=param.linux26.h ;;
 728 # Linux alpha adds an extra underscore for no good reason.
 729     *_linux_22) AFS_PARAM_COMMON=param.linux22.h ;;
 730     *_linux_24) AFS_PARAM_COMMON=param.linux24.h ;;
 731     *_linux_26) AFS_PARAM_COMMON=param.linux26.h ;;
 732 esac
 733
 734 case $AFS_SYSNAME in *_linux* | *_umlinux*)
 735
 736                 # Add (sub-) architecture-specific paths needed by conftests
 737                 case $AFS_SYSNAME  in
 738                         *_umlinux26)
 739                                 UMLINUX26_FLAGS="-I$LINUX_KERNEL_PATH/arch/um/include"
 740                                 UMLINUX26_FLAGS="$UMLINUX26_FLAGS -I$LINUX_KERNEL_PATH/arch/um/kernel/tt/include"
 741                                 UMLINUX26_FLAGS="$UMLINUX26_FLAGS -I$LINUX_KERNEL_PATH/arch/um/kernel/skas/include"
 742                                 CPPFLAGS="$CPPFLAGS $UMLINUX26_FLAGS"
 743                 esac
 744
 745                 if test "x$enable_kernel_module" = "xyes"; then
 746                  if test "x$enable_debug_kernel" = "xno"; then
 747                         LINUX_GCC_KOPTS="$LINUX_GCC_KOPTS -fomit-frame-pointer"
 748                  fi
 749                  OPENAFS_GCC_SUPPORTS_MARCH
 750                  AC_SUBST(P5PLUS_KOPTS)
 751                  OPENAFS_GCC_NEEDS_NO_STRENGTH_REDUCE
 752                  OPENAFS_GCC_NEEDS_NO_STRICT_ALIASING
 753                  OPENAFS_GCC_SUPPORTS_NO_COMMON
 754                  OPENAFS_GCC_SUPPORTS_PIPE
 755                  AC_SUBST(LINUX_GCC_KOPTS)
 756
 757                  dnl Setup the kernel build environment
 758                  LINUX_KBUILD_USES_EXTRA_CFLAGS
 759                  LINUX_KERNEL_COMPILE_WORKS
 760
 761                  dnl Check for header files
 762                  AC_CHECK_LINUX_HEADER([config.h])
 763                  AC_CHECK_LINUX_HEADER([completion.h])
 764                  AC_CHECK_LINUX_HEADER([exportfs.h])
 765                  AC_CHECK_LINUX_HEADER([freezer.h])
 766                  AC_CHECK_LINUX_HEADER([key-type.h])
 767                  AC_CHECK_LINUX_HEADER([semaphore.h])
 768                  AC_CHECK_LINUX_HEADER([seq_file.h])
 769
 770                  dnl Check for structure elements
 771                  AC_CHECK_LINUX_STRUCT([address_space_operations],
 772                                        [write_begin], [fs.h])
 773                  AC_CHECK_LINUX_STRUCT([backing_dev_info], [name],
 774                                        [backing-dev.h])
 775                  AC_CHECK_LINUX_STRUCT([ctl_table], [ctl_name], [sysctl.h])
 776                  AC_CHECK_LINUX_STRUCT([inode], [i_alloc_sem], [fs.h])
 777                  AC_CHECK_LINUX_STRUCT([inode], [i_blkbits], [fs.h])
 778                  AC_CHECK_LINUX_STRUCT([inode], [i_blksize], [fs.h])
 779                  AC_CHECK_LINUX_STRUCT([inode], [i_mutex], [fs.h])
 780                  AC_CHECK_LINUX_STRUCT([inode], [i_security], [fs.h])
 781                  AC_CHECK_LINUX_STRUCT([file_operations], [flock], [fs.h])
 782                  AC_CHECK_LINUX_STRUCT([file_operations], [sendfile], [fs.h])
 783                  AC_CHECK_LINUX_STRUCT([nameidata], [path], [namei.h])
 784                  AC_CHECK_LINUX_STRUCT([proc_dir_entry], [owner], [proc_fs.h])
 785                  AC_CHECK_LINUX_STRUCT([super_block], [s_bdi], [fs.h])
 786                  AC_CHECK_LINUX_STRUCT([super_operations], [alloc_inode],
 787                                        [fs.h])
 788                  AC_CHECK_LINUX_STRUCT([task_struct], [cred], [sched.h])
 789                  AC_CHECK_LINUX_STRUCT([task_struct], [exit_state], [sched.h])
 790                  AC_CHECK_LINUX_STRUCT([task_struct], [parent], [sched.h])
 791                  AC_CHECK_LINUX_STRUCT([task_struct], [real_parent], [sched.h])
 792                  AC_CHECK_LINUX_STRUCT([task_struct], [rlim], [sched.h])
 793                  AC_CHECK_LINUX_STRUCT([task_struct], [sig], [sched.h])
 794                  AC_CHECK_LINUX_STRUCT([task_struct], [sighand], [sched.h])
 795                  AC_CHECK_LINUX_STRUCT([task_struct], [sigmask_lock], [sched.h])
 796                  AC_CHECK_LINUX_STRUCT([task_struct], [tgid], [sched.h])
 797                  AC_CHECK_LINUX_STRUCT([task_struct], [thread_info], [sched.h])
 798                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_SIGNAL_RLIM
 799
 800                  dnl Function existence checks
 801
 802                  AC_CHECK_LINUX_FUNC([bdi_init],
 803                                      [#include <linux/backing-dev.h>],
 804                                      [bdi_init(NULL);])
 805                  AC_CHECK_LINUX_FUNC([PageChecked],
 806                                      [#include <linux/mm.h>
 807 #include <linux/page-flags.h>],
 808                                      [struct page *_page;
 809                                       int bchecked = PageChecked(_page);])
 810                  AC_CHECK_LINUX_FUNC([PageFsMisc],
 811                                      [#include <linux/mm.h>
 812 #include <linux/page-flags.h>],
 813                                      [struct page *_page;
 814                                       int bchecked = PageFsMisc(_page);])
 815                  AC_CHECK_LINUX_FUNC([current_kernel_time],
 816                                      [#include <linux/time.h>],
 817                                      [struct timespec s;
 818                                       s = current_kernel_time();])
 819                  AC_CHECK_LINUX_FUNC([d_alloc_anon],
 820                                      [#include <linux/dcache.h>],
 821                                      [d_alloc_anon(NULL);])
 822                  AC_CHECK_LINUX_FUNC([do_sync_read],
 823                                      [#include <linux/fs.h>],
 824                                      [do_sync_read(NULL, NULL, 0, NULL);])
 825                  AC_CHECK_LINUX_FUNC([find_task_by_pid],
 826                                      [#include <linux/sched.h>],
 827                                      [pid_t p; find_task_by_pid(p);])
 828                  AC_CHECK_LINUX_FUNC([generic_file_aio_read],
 829                                      [#include <linux/fs.h>],
 830                                      [generic_file_aio_read(NULL,NULL,0,0);])
 831                  AC_CHECK_LINUX_FUNC([grab_cache_page_write_begin],
 832                                      [#include <linux/pagemap.h>],
 833                                      [grab_cache_page_write_begin(NULL, 0, 0);])
 834                  AC_CHECK_LINUX_FUNC([hlist_unhashed],
 835                                      [#include <linux/list.h>],
 836                                      [hlist_unhashed(0);])
 837                  AC_CHECK_LINUX_FUNC([i_size_read],
 838                                      [#include <linux/fs.h>],
 839                                      [i_size_read(NULL);])
 840                  AC_CHECK_LINUX_FUNC([kernel_setsockopt],
 841                                      [#include <linux/net.h>],
 842                                      [kernel_setsockopt(NULL, 0, 0, NULL, 0);])
 843                  AC_CHECK_LINUX_FUNC([page_follow_link],
 844                                      [#include <linux/fs.h>],
 845                                      [page_follow_link(0,0);])
 846                  AC_CHECK_LINUX_FUNC([page_offset],
 847                                      [#include <linux/pagemap.h>],
 848                                      [page_offset(NULL);])
 849                  AC_CHECK_LINUX_FUNC([pagevec_lru_add_file],
 850                                      [#include <linux/pagevec.h>],
 851                                      [__pagevec_lru_add_file(NULL);])
 852                  AC_CHECK_LINUX_FUNC([rcu_read_lock],
 853                                      [#include <linux/rcupdate.h>],
 854                                      [rcu_read_lock();])
 855                  AC_CHECK_LINUX_FUNC([splice_direct_to_actor],
 856                                      [#include <linux/splice.h>],
 857                                      [splice_direct_to_actor(NULL,NULL,NULL);])
 858                  AC_CHECK_LINUX_FUNC([svc_addr_in],
 859                                      [#include <linux/sunrpc/svc.h>],
 860                                      [svc_addr_in(NULL);])
 861                  AC_CHECK_LINUX_FUNC([zero_user_segments],
 862                                      [#include <linux/highmem.h>],
 863                                      [zero_user_segments(NULL, 0, 0, 0, 0);])
 864
 865                  dnl Consequences - things which get set as a result of the
 866                  dnl                above tests
 867                  AS_IF([test "x$ac_cv_linux_func_d_alloc_anon" = "xno"],
 868                        [AC_DEFINE([AFS_NONFSTRANS], 1,
 869                                   [define to disable the nfs translator])])
 870
 871                  dnl Assorted more complex tests
 872                  LINUX_EXPORTS_PROC_ROOT_FS
 873                  LINUX_KMEM_CACHE_INIT
 874                  LINUX_HAVE_KMEM_CACHE_T
 875                  LINUX_KMEM_CACHE_CREATE_TAKES_DTOR
 876                  LINUX_KMEM_CACHE_CREATE_CTOR_TAKES_VOID
 877                  LINUX_D_PATH_TAKES_STRUCT_PATH
 878                  LINUX_NEW_EXPORT_OPS
 879                  LINUX_INODE_SETATTR_RETURN_TYPE
 880                  LINUX_IOP_I_CREATE_TAKES_NAMEIDATA
 881                  LINUX_IOP_I_LOOKUP_TAKES_NAMEIDATA
 882                  LINUX_IOP_I_PERMISSION_TAKES_NAMEIDATA
 883                  LINUX_IOP_I_PUT_LINK_TAKES_COOKIE
 884                  LINUX_DOP_D_REVALIDATE_TAKES_NAMEIDATA
 885                  LINUX_FOP_F_FLUSH_TAKES_FL_OWNER_T
 886                  LINUX_FOP_F_FSYNC_TAKES_DENTRY
 887                  LINUX_AOP_WRITEBACK_CONTROL
 888                  LINUX_FS_STRUCT_FOP_HAS_SPLICE
 889                  LINUX_KERNEL_POSIX_LOCK_FILE_WAIT_ARG
 890                  LINUX_POSIX_TEST_LOCK_RETURNS_CONFLICT
 891                  LINUX_POSIX_TEST_LOCK_CONFLICT_ARG
 892                  LINUX_KERNEL_SOCK_CREATE
 893                  LINUX_EXPORTS_KEY_TYPE_KEYRING
 894                  LINUX_KEYS_HAVE_SESSION_TO_PARENT
 895                  LINUX_NEED_RHCONFIG
 896                  LINUX_RECALC_SIGPENDING_ARG_TYPE
 897                  LINUX_EXPORTS_TASKLIST_LOCK
 898                  LINUX_GET_SB_HAS_STRUCT_VFSMOUNT
 899                  LINUX_STATFS_TAKES_DENTRY
 900                  LINUX_REFRIGERATOR
 901                  LINUX_HAVE_TRY_TO_FREEZE
 902                  LINUX_LINUX_KEYRING_SUPPORT
 903                  LINUX_KEY_ALLOC_NEEDS_STRUCT_TASK
 904                  LINUX_KEY_ALLOC_NEEDS_CRED
 905                  LINUX_INIT_WORK_HAS_DATA
 906                  LINUX_REGISTER_SYSCTL_TABLE_NOFLAG
 907
 908                  dnl If we are guaranteed that keyrings will work - that is
 909                  dnl  a) The kernel has keyrings enabled
 910                  dnl  b) The code is new enough to give us a key_type_keyring
 911                  dnl then we just disable syscall probing unless we've been
 912                  dnl told otherwise
 913
 914                  AS_IF([test "$enable_linux_syscall_probing" = "maybe"],
 915                    [AS_IF([test "$ac_cv_linux_keyring_support" = "yes" -a "$ac_cv_linux_exports_key_type_keyring" = "yes"],
 916                           [enable_linux_syscall_probing="no"],
 917                           [enable_linux_syscall_probing="yes"])
 918                  ])
 919
 920                  dnl Syscall probing needs a few tests of its own, and just
 921                  dnl won't work if the kernel doesn't export init_mm
 922                  AS_IF([test "$enable_linux_syscall_probing" = "yes"], [
 923                    LINUX_EXPORTS_INIT_MM
 924                    AS_IF([test "$ac_cv_linux_exports_init_mm" = "no"], [
 925                      AC_MSG_ERROR(
 926                        [Can't do syscall probing without exported init_mm])
 927                    ])
 928                    LINUX_EXPORTS_SYS_CHDIR
 929                    LINUX_EXPORTS_SYS_OPEN
 930                    AC_DEFINE(ENABLE_LINUX_SYSCALL_PROBING, 1,
 931                              [define to enable syscall table probes])
 932                  ])
 933
 934                  dnl Packaging and SMP build
 935                  if test "x$with_linux_kernel_packaging" = "xno" ; then
 936                    LINUX_WHICH_MODULES
 937                  else
 938                    AC_SUBST(MPS,'SP')
 939                  fi
 940
 941                  dnl Syscall probing
 942                  if test "x$ac_cv_linux_config_modversions" = "xno" -o $AFS_SYSKVERS -ge 26; then
 943                    AS_IF([test "$enable_linux_syscall_probing" = "yes"], [
 944                      AC_MSG_WARN([Cannot determine sys_call_table status. assuming it isn't exported])
 945                    ])
 946                    ac_cv_linux_exports_sys_call_table=no
 947                    if test -f "$LINUX_KERNEL_PATH/include/asm/ia32_unistd.h"; then
 948                      ac_cv_linux_exports_ia32_sys_call_table=yes
 949                    fi
 950                  else
 951                    LINUX_EXPORTS_KALLSYMS_ADDRESS
 952                    LINUX_EXPORTS_KALLSYMS_SYMBOL
 953                    LINUX_EXPORTS_SYS_CALL_TABLE
 954                    LINUX_EXPORTS_IA32_SYS_CALL_TABLE
 955                    if test "x$ac_cv_linux_exports_sys_call_table" = "xno"; then
 956                          linux_syscall_method=none
 957                          if test "x$ac_cv_linux_exports_init_mm" = "xyes"; then
 958                             linux_syscall_method=scan
 959                             if test "x$ac_cv_linux_exports_kallsyms_address" = "xyes"; then
 960                                linux_syscall_method=scan_with_kallsyms_address
 961                             fi
 962                          fi
 963                          if test "x$ac_cv_linux_exports_kallsyms_symbol" = "xyes"; then
 964                             linux_syscall_method=kallsyms_symbol
 965                          fi
 966                          if test "x$linux_syscall_method" = "xnone"; then
 967                             AC_MSG_WARN([no available sys_call_table access method -- guessing scan])
 968                             linux_syscall_method=scan
 969                          fi
 970                    fi
 971                  fi
 972                  if test -f "$LINUX_KERNEL_PATH/include/linux/in_systm.h"; then
 973                   AC_DEFINE(HAVE_IN_SYSTM_H, 1, [define if you have in_systm.h header file])
 974                  fi
 975                  if test -f "$LINUX_KERNEL_PATH/include/linux/mm_inline.h"; then
 976                   AC_DEFINE(HAVE_MM_INLINE_H, 1, [define if you have mm_inline.h header file])
 977                  fi
 978                  if test "x$ac_cv_linux_kernel_page_follow_link" = "xyes" -o "x$ac_cv_linux_func_i_put_link_takes_cookie" = "xyes"; then
 979                   AC_DEFINE(USABLE_KERNEL_PAGE_SYMLINK_CACHE, 1, [define if your kernel has a usable symlink cache API])
 980                  else
 981                   AC_MSG_WARN([your kernel does not have a usable symlink cache API])
 982                  fi
 983                 :
 984                 fi
 985 esac
 986
 987 AC_CACHE_CHECK([if struct sockaddr has sa_len field],
 988     [ac_cv_sockaddr_len],
 989     [AC_TRY_COMPILE( [#include <sys/types.h>
 990 #include <sys/socket.h>],
 991                      [struct sockaddr *a; a->sa_len=0;],
 992                      [ac_cv_sockaddr_len=yes],
 993                      [ac_cv_sockaddr_len=no])
 994 ])
 995 AS_IF([test "$ac_cv_sockaddr_len" = "yes"],
 996       [AC_DEFINE(STRUCT_SOCKADDR_HAS_SA_LEN, 1,
 997                  [define if you struct sockaddr sa_len])])
 998
 999 if test "x${MKAFS_OSTYPE}" = "xIRIX"; then
1000         echo Skipping library tests because they confuse Irix.
1001 else
1002   AC_SEARCH_LIBS([socket], [socket inet])
1003   AC_SEARCH_LIBS([connect], [nsl])
1004   AC_SEARCH_LIBS([gethostbyname], [dns nsl resolv])
1005
1006   dnl darwin wants it, aix hates it
1007   AC_MSG_CHECKING(for the useability of arpa/nameser_compat.h)
1008   AC_TRY_COMPILE([
1009   #include <stdlib.h>
1010   #include <stdio.h>
1011   #include <sys/types.h>
1012   #include <sys/socket.h>
1013   #include <netinet/in.h>
1014   #include <arpa/inet.h>
1015   #include <arpa/nameser.h>
1016   #include <arpa/nameser_compat.h>
1017   #include <resolv.h>
1018   ], [static int i; i = 0;],
1019   [AC_MSG_RESULT(yes)
1020    AC_DEFINE(HAVE_ARPA_NAMESER_COMPAT_H, 1, [define if arpa/nameser_compat.h exists])],
1021   [AC_MSG_RESULT(no)
1022    ])
1023
1024   openafs_save_libs="$LIBS"
1025   AC_MSG_CHECKING([for res_search])
1026   AC_FUNC_RES_SEARCH
1027
1028   if test "$ac_cv_func_res_search" = no; then
1029       for lib in dns nsl resolv; do
1030         if test "$ac_cv_func_res_search" != yes; then
1031           LIBS="-l$lib $LIBS"
1032           AC_FUNC_RES_SEARCH
1033           LIBS="$openafs_save_libs"
1034         fi
1035       done
1036       if test "$ac_cv_func_res_search" = yes; then
1037         LIB_AFSDB="-l$lib"
1038         AC_DEFINE(HAVE_RES_SEARCH, 1, [])
1039         AC_MSG_RESULT([yes, in lib$lib])
1040       else
1041         AC_MSG_RESULT(no)
1042       fi
1043   else
1044     AC_DEFINE(HAVE_RES_SEARCH, 1, [])
1045     AC_MSG_RESULT(yes)
1046   fi
1047
1048 fi
1049
1050 AC_CHECK_RESOLV_RETRANS
1051
1052 AC_CACHE_CHECK([for setsockopt(, SOL_IP, IP_RECVERR)],
1053     [ac_cv_setsockopt_iprecverr],
1054     [AC_TRY_COMPILE( [
1055 #include <sys/types.h>
1056 #include <sys/socket.h>
1057 #include <netinet/in.h>],
1058 [int on=1;
1059 setsockopt(0, SOL_IP, IP_RECVERR, &on, sizeof(on));],
1060         [ac_cv_setsockopt_iprecverr=yes],
1061         [ac_cv_setsockopt_iprecverr=no])])
1062
1063 AS_IF([test "$ac_cv_setsockopt_iprecverr" = "yes"],
1064       [AC_DEFINE(ADAPT_PMTU_RECVERR, 1,
1065                  [define if asynchronous socket errors can be received])])
1066
1067 PTHREAD_LIBS=error
1068 if test "x$MKAFS_OSTYPE" = OBSD; then
1069         PTHREAD_LIBS="-pthread"
1070 fi
1071 if test "x$MKAFS_OSTYPE" = xDFBSD; then
1072         PTHREAD_LIBS="-pthread"
1073 fi
1074 if test "x$PTHREAD_LIBS" = xerror; then
1075         AC_CHECK_LIB(pthread, pthread_attr_init,
1076                 PTHREAD_LIBS="-lpthread")
1077 fi
1078 if test "x$PTHREAD_LIBS" = xerror; then
1079         AC_CHECK_LIB(pthreads, pthread_attr_init,
1080                 PTHREAD_LIBS="-lpthreads")
1081 fi
1082 if test "x$PTHREAD_LIBS" = xerror; then
1083         AC_CHECK_LIB(c_r, pthread_attr_init,
1084                 PTHREAD_LIBS="-lc_r")
1085 fi
1086 if test "x$PTHREAD_LIBS" = xerror; then
1087         AC_CHECK_FUNC(pthread_attr_init, PTHREAD_LIBS="")
1088 fi
1089 if test "x$PTHREAD_LIBS" = xerror; then
1090         # pthread_attr_init is a macro under HPUX 11.0 and 11.11
1091         AC_CHECK_LIB(pthread, pthread_attr_destroy,
1092                 PTHREAD_LIBS="-lpthread")
1093 fi
1094 if test "x$PTHREAD_LIBS" = xerror; then
1095         AC_MSG_WARN(*** Unable to locate working posix thread library ***)
1096 fi
1097 AC_SUBST(PTHREAD_LIBS)
1098
1099 HOST_CPU="$host_cpu"
1100
1101 if test "x$with_bsd_kernel_headers" != "x"; then
1102         BSD_KERNEL_PATH="$with_bsd_kernel_headers"
1103 else
1104         BSD_KERNEL_PATH="/usr/src/sys"
1105 fi
1106
1107 if test "x$with_bsd_kernel_build" != "x"; then
1108         BSD_KERNEL_BUILD="$with_bsd_kernel_build"
1109 else
1110         case $AFS_SYSNAME in
1111                 *_fbsd_*)
1112                         BSD_KERNEL_BUILD="${BSD_KERNEL_PATH}/${HOST_CPU}/compile/GENERIC"
1113                         ;;
1114                 *_nbsd*)
1115                         BSD_KERNEL_BUILD="${BSD_KERNEL_PATH}/arch/${HOST_CPU}/compile/GENERIC"
1116         esac
1117 fi
1118
1119 # Fast restart
1120 if test "$enable_supergroups" = "yes"; then
1121         AC_DEFINE(SUPERGROUPS, 1, [define if you want to have support for nested pts groups])
1122 fi
1123
1124 if test "$enable_bitmap_later" = "yes"; then
1125         AC_DEFINE(BITMAP_LATER, 1, [define if you want to salvager to check bitmasks later])
1126 fi
1127
1128 if test "$enable_demand_attach_fs" = "yes"; then
1129         AC_DEFINE(DEMAND_ATTACH_ENABLE, 1, [define if you want the demand attach fileserver])
1130         DEMAND_ATTACH="yes"
1131 else
1132         DEMAND_ATTACH="no"
1133 fi
1134 AC_SUBST(DEMAND_ATTACH)
1135
1136 if test "$enable_disconnected" = "yes"; then
1137         AC_DEFINE(AFS_DISCON_ENV, 1, [define if you want support for disconnected operation])
1138 fi
1139
1140 if test "$enable_unix_sockets" = "yes"; then
1141         AC_DEFINE(USE_UNIX_SOCKETS, 1, [define if you want to use UNIX sockets for fssync.])
1142         USE_UNIX_SOCKETS="yes"
1143 else
1144         USE_UNIX_SOCKETS="no"
1145 fi
1146 AC_SUBST(USE_UNIX_SOCKETS)
1147
1148 if test "$enable_icmp_pmtu_discovery" = "yes"; then
1149    if test "$ac_cv_setsockopt_iprecverr" = "yes"; then
1150         AC_DEFINE(ADAPT_PMTU, 1, [define if you want to decode icmp unreachable packets to discover path mtu])
1151    fi
1152 fi
1153
1154 if test "$enable_cache_bypass" = "yes"; then
1155         AC_DEFINE(AFS_CACHE_BYPASS, 1, [define to activate cache bypassing Unix client])
1156 fi
1157
1158 if test "$enable_namei_fileserver" = "yes"; then
1159         AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1160         VFSCK=""
1161 else
1162         if test "$enable_namei_fileserver" = "default"; then
1163                 case $host in
1164                         *-solaris2.10*)
1165                                 AC_MSG_WARN(Some Solaris 10 versions are not safe with the inode fileserver. Forcing namei. Override with --disable-namei-fileserver)
1166                                 AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1167                                 VFSCK=""
1168                                 ;;
1169                         *-solaris2.11*)
1170                                 AC_MSG_WARN(Solaris 11 versions are not safe with the inode fileserver. Forcing namei. Override with --disable-namei-fileserver)
1171                                 AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1172                                 VFSCK=""
1173                                 ;;
1174                         *)
1175                                 VFSCK="vfsck"
1176                                 ;;
1177                 esac
1178         else
1179                 VFSCK="vfsck"
1180         fi
1181 fi
1182
1183 dnl check for tivoli
1184 AC_MSG_CHECKING(for tivoli tsm butc support)
1185 XBSA_CFLAGS=""
1186 if test "$enable_tivoli_tsm" = "yes"; then
1187         XBSADIR1=/usr/tivoli/tsm/client/api/bin/xopen
1188         XBSADIR2=/opt/tivoli/tsm/client/api/bin/xopen
1189         XBSADIR3=/usr/tivoli/tsm/client/api/bin/sample
1190         XBSADIR4=/opt/tivoli/tsm/client/api/bin/sample
1191
1192         if test -r "$XBSADIR3/dsmapifp.h"; then
1193                 XBSA_CFLAGS="-Dxbsa -DNEW_XBSA -I$XBSADIR3"
1194                 XBSA_XLIBS="-ldl"
1195                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1196         elif test -r "$XBSADIR4/dsmapifp.h"; then
1197                 XBSA_CFLAGS="-Dxbsa -DNEW_XBSA -I$XBSADIR4"
1198                 XBSA_XLIBS="-ldl"
1199                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1200         elif test -r "$XBSADIR1/xbsa.h"; then
1201                 XBSA_CFLAGS="-Dxbsa -I$XBSADIR1"
1202                 XBSA_XLIBS=""
1203                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1204         elif test -r "$XBSADIR2/xbsa.h"; then
1205                 XBSA_CFLAGS="-Dxbsa -I$XBSADIR2"
1206                 XBSA_XLIBS=""
1207                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1208         else
1209                 AC_MSG_RESULT([no, missing xbsa.h and dsmapifp.h header files])
1210         fi
1211 else
1212         AC_MSG_RESULT([no])
1213 fi
1214 AC_SUBST(XBSA_CFLAGS)
1215 AC_SUBST(XBSA_XLIBS)
1216
1217 dnl checks for header files.
1218 AC_HEADER_STDC
1219 AC_HEADER_SYS_WAIT
1220 AC_HEADER_DIRENT
1221 AC_CHECK_HEADERS(stdlib.h string.h unistd.h fcntl.h sys/time.h sys/file.h grp.h)
1222 AC_CHECK_HEADERS(netinet/in.h netdb.h sys/fcntl.h sys/mnttab.h sys/mntent.h)
1223 AC_CHECK_HEADERS(mntent.h sys/vfs.h sys/param.h sys/fs_types.h sys/fstyp.h)
1224 AC_CHECK_HEADERS(sys/mount.h strings.h termios.h signal.h sys/pag.h)
1225 AC_CHECK_HEADERS(windows.h direct.h sys/ipc.h sys/resource.h)
1226 AC_CHECK_HEADERS(security/pam_modules.h ucontext.h regex.h sys/statvfs.h sys/statfs.h sys/bitypes.h)
1227 AC_CHECK_HEADERS(linux/errqueue.h,,,[#include <linux/types.h>])
1228 AC_CHECK_HEADERS(et/com_err.h)
1229
1230 AC_CHECK_TYPES([fsblkcnt_t],,,[
1231 #include <sys/types.h>
1232 #ifdef HAVE_SYS_BITYPES_H
1233 #include <sys/bitypes.h>
1234 #endif
1235 #ifdef HAVE_SYS_STATFS_H
1236 #include <sys/statfs.h>
1237 #endif
1238 #ifdef HAVE_SYS_STATVFS_H
1239 #include <sys/statvfs.h>
1240 #endif
1241 ])
1242
1243 OPENAFS_TEST_PACKAGE(libintl,[#include <libintl.h>],[-lintl],,,INTL)
1244
1245 dnl Don't build PAM on IRIX; the interface doesn't work for us.
1246 if test "$ac_cv_header_security_pam_modules_h" = yes -a "$enable_pam" = yes; then
1247         case $AFS_SYSNAME in
1248         sgi_*)
1249                 HAVE_PAM="no"
1250                 ;;
1251         *)
1252                 HAVE_PAM="yes"
1253                 ;;
1254         esac
1255 else
1256         HAVE_PAM="no"
1257 fi
1258 AC_SUBST(HAVE_PAM)
1259
1260 if test "$enable_login" = yes; then
1261         BUILD_LOGIN="yes"
1262 else
1263         BUILD_LOGIN="no"
1264 fi
1265 AC_SUBST(BUILD_LOGIN)
1266
1267 AC_CHECK_FUNCS(snprintf strlcat strlcpy flock getrlimit)
1268 AC_CHECK_FUNCS(setprogname getprogname sigaction mkstemp vsnprintf strerror strcasestr)
1269 AC_CHECK_FUNCS(setvbuf vsyslog getcwd)
1270 AC_CHECK_FUNCS(regcomp regexec regerror)
1271 AC_MSG_CHECKING([for POSIX regex library])
1272 if test "$ac_cv_header_regex_h" = "yes" && \
1273         test "$ac_cv_func_regcomp" = "yes" && \
1274         test "$ac_cv_func_regexec" = "yes" && \
1275         test "$ac_cv_func_regerror" = "yes"; then
1276     AC_DEFINE(HAVE_POSIX_REGEX, 1, [define if you have POSIX regex library])
1277     AC_MSG_RESULT(yes)
1278 else
1279     AC_MSG_RESULT(no)
1280 fi
1281
1282 AC_TYPE_SIGNAL
1283 AC_CHECK_SIZEOF(void *)
1284 AC_CHECK_SIZEOF(unsigned long long)
1285 AC_CHECK_SIZEOF(unsigned long)
1286 AC_CHECK_SIZEOF(unsigned int)
1287 AC_TYPE_INTPTR_T
1288 AC_TYPE_UINTPTR_T
1289 AC_TYPE_SSIZE_T
1290 AC_CHECK_TYPE([sig_atomic_t],[],
1291     [AC_DEFINE([sig_atomic_t], [int],
1292         [Define to int if <signal.h> does not define.])],
1293 [#include <sys/types.h>
1294 #include <signal.h>])
1295 AC_CHECK_TYPE([socklen_t],[],
1296     [AC_DEFINE([socklen_t], [int],
1297         [Define to int if <sys/socket.h> does not define.])],
1298 [#include <sys/types.h>
1299 #include <sys/socket.h>])
1300 AC_SIZEOF_TYPE(long)
1301
1302 AC_HEADER_PAM_CONST
1303
1304 AC_CHECK_FUNCS(timegm)
1305 AC_CHECK_FUNCS(daemon)
1306
1307 dnl Directory PATH handling
1308 if test "x$enable_transarc_paths" = "xyes"  ; then
1309     afsconfdir=${afsconfdir=/usr/afs/etc}
1310     viceetcdir=${viceetcdir=/usr/vice/etc}
1311     afskerneldir=${afskerneldir=${viceetcdir}}
1312     afssrvbindir=${afssrvbindir=/usr/afs/bin}
1313     afssrvsbindir=${afssrvsbindir=/usr/afs/bin}
1314     afssrvlibexecdir=${afssrvlibexecdir=/usr/afs/bin}
1315     afsdbdir=${afsdbdir=/usr/afs/db}
1316     afslogsdir=${afslogsdir=/usr/afs/logs}
1317     afslocaldir=${afslocaldir=/usr/afs/local}
1318     afsbackupdir=${afsbackupdir=/usr/afs/backup}
1319     afsbosconfigdir=${afsbosconfigdir=/usr/afs/local}
1320     afsdatadir=${afsdatadir=/usr/vice/etc}
1321 else
1322     afsconfdir=${afsconfdir='${sysconfdir}/openafs/server'}
1323     viceetcdir=${viceetcdir='${sysconfdir}/openafs'}
1324     afskerneldir=${afskerneldir='${libdir}/openafs'}
1325     afssrvbindir=${afssrvbindir='${bindir}'}
1326     afssrvsbindir=${afssrvsbindir='${sbindir}'}
1327     afssrvlibexecdir=${afssrvlibexecdir='${libexecdir}/openafs'}
1328     afsdbdir=${afsdbdir='${localstatedir}/openafs/db'}
1329     afslogsdir=${afslogsdir='${localstatedir}/openafs/logs'}
1330     afslocaldir=${afslocaldir='${localstatedir}/openafs'}
1331     afsbackupdir=${afsbackupdir='${localstatedir}/openafs/backup'}
1332     afsbosconfigdir=${afsbosconfigdir='${sysconfdir}/openafs'}
1333     afsdatadir=${afsdatadir='${datadir}/openafs'}
1334 fi
1335 AC_SUBST(afsconfdir)
1336 AC_SUBST(viceetcdir)
1337 AC_SUBST(afskerneldir)
1338 AC_SUBST(afssrvbindir)
1339 AC_SUBST(afssrvsbindir)
1340 AC_SUBST(afssrvlibexecdir)
1341 AC_SUBST(afsdbdir)
1342 AC_SUBST(afslogsdir)
1343 AC_SUBST(afslocaldir)
1344 AC_SUBST(afsbackupdir)
1345 AC_SUBST(afsbosconfigdir)
1346 AC_SUBST(afsdatadir)
1347
1348 if test "x$enable_kernel_module" = "xyes"; then
1349 ENABLE_KERNEL_MODULE=libafs
1350 fi
1351
1352 if test "x$enable_pthreaded_ubik" = "xyes"; then
1353 ENABLE_PTHREADED_UBIK=yes
1354 fi
1355
1356 AC_SUBST(VFSCK)
1357 AC_SUBST(AFS_SYSNAME)
1358 AC_SUBST(AFS_PARAM_COMMON)
1359 AC_SUBST(ENABLE_KERNEL_MODULE)
1360 AC_SUBST(ENABLE_PTHREADED_UBIK)
1361 AC_SUBST(LIB_AFSDB)
1362 AC_SUBST(LINUX_KERNEL_PATH)
1363 AC_SUBST(LINUX_KERNEL_BUILD)
1364 AC_SUBST(HOST_CPU)
1365 AC_SUBST(BSD_KERNEL_PATH)
1366 AC_SUBST(BSD_KERNEL_BUILD)
1367 AC_SUBST(LINUX_VERSION)
1368 AC_SUBST(MKAFS_OSTYPE)
1369 AC_SUBST(TOP_OBJDIR)
1370 AC_SUBST(TOP_SRCDIR)
1371 AC_SUBST(TOP_INCDIR)
1372 AC_SUBST(TOP_LIBDIR)
1373 AC_SUBST(DEST)
1374 AC_SUBST(DARWIN_INFOFILE)
1375 AC_SUBST(IRIX_BUILD_IP35)
1376 AC_SUBST(HTML_XSL)
1377 AC_SUBST(XSLTPROC)
1378
1379 OPENAFS_OSCONF
1380 OPENAFS_FUSE
1381
1382 TOP_SRCDIR="${srcdir}/src"
1383 dnl
1384 dnl If we're using ./configure, need a more reasonable TOP_SRCDIR, since relative links don't work everywhere
1385 dnl
1386 case $TOP_SRCDIR in
1387         /*)
1388                 ;;
1389         *)
1390                 TOP_SRCDIR=`cd $TOP_SRCDIR; pwd`
1391                 ;;
1392 esac
1393
1394 TOP_OBJDIR="${SRCDIR_PARENT}"
1395 TOP_INCDIR="${SRCDIR_PARENT}/include"
1396 TOP_LIBDIR="${SRCDIR_PARENT}/lib"
1397 if test "${DEST}x" = "x"; then
1398         DEST="${SRCDIR_PARENT}/${AFS_SYSNAME}/dest"
1399 fi
1400
1401 HELPER_SPLINT="${TOP_SRCDIR}/helper-splint.sh"
1402 HELPER_SPLINTCFG="${TOP_SRCDIR}/splint.cfg"
1403 AC_SUBST(HELPER_SPLINT)
1404 AC_SUBST(HELPER_SPLINTCFG)
1405
1406 mkdir -p ${TOP_OBJDIR}/src/JAVA/libjafs
1407
1408 ])