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 /* glue for RedHat kernel bug */
  63 #undef ENABLE_REDHAT_BUILDSYS
  64 #if defined(ENABLE_REDHAT_BUILDSYS) && defined(KERNEL) && defined(REDHAT_FIX)
  65 #include "redhat-fix.h"
  66 #endif])
  67
  68 AC_CANONICAL_HOST
  69 SRCDIR_PARENT=`pwd`
  70
  71 #BOZO_SAVE_CORES pam
  72
  73 dnl System identity.
  74 AC_ARG_WITH([afs-sysname],
  75     [AS_HELP_STRING([--with-afs-sysname=sys], [use sys for the afs sysname])])
  76
  77 dnl General feature options.
  78 AC_ARG_ENABLE([gtx],
  79     AS_HELP_STRING([--disable-gtx], [disable gtx curses-based terminal tools]))
  80 AC_ARG_ENABLE([uss],
  81     AS_HELP_STRING([--disable-uss], [disable uss bulk creation tool]))
  82 AC_ARG_ENABLE([namei-fileserver],
  83     [AS_HELP_STRING([--enable-namei-fileserver],
  84         [force compilation of namei fileserver in preference to inode
  85          fileserver])],
  86     ,
  87     [enable_namei_fileserver="default"])
  88 AC_ARG_ENABLE([supergroups],
  89     [AS_HELP_STRING([--enable-supergroups],
  90         [enable support for nested pts groups])],
  91     ,
  92     [enable_supergroups="no"])
  93 AC_ARG_ENABLE([bitmap-later],
  94     [AS_HELP_STRING([--enable-bitmap-later],
  95         [enable fast startup of file server by not reading bitmap till
  96          needed])],
  97     [AS_IF([test x"$withval" = xyes],
  98         [AC_MSG_WARN([bitmap-later is only used by non-demand-attach
  99             fileservers.  Please migrate to demand-attach instead.])])],
 100     [enable_bitmap_later="no"])
 101 AC_ARG_ENABLE([unix-sockets],
 102     [AS_HELP_STRING([--disable-unix-sockets],
 103         [disable use of unix domain sockets for fssync (defaults to enabled)])],
 104     ,
 105     [enable_unix_sockets="yes"])
 106 AC_ARG_ENABLE([tivoli-tsm],
 107     [AS_HELP_STRING([--enable-tivoli-tsm],
 108         [enable use of the Tivoli TSM API libraries for butc support])],
 109     ,
 110     [enable_tivoli_tsm="no"])
 111 AC_ARG_ENABLE([pthreaded-ubik],
 112     [AS_HELP_STRING([--disable-pthreaded-ubik],
 113         [disable installation of pthreaded ubik applications (defaults to
 114          enabled)])],
 115     ,
 116     [enable_pthreaded_ubik="yes"])
 117
 118 dnl Kernel module build options.
 119 AC_ARG_WITH([linux-kernel-headers],
 120     [AS_HELP_STRING([--with-linux-kernel-headers=path],
 121         [use the kernel headers found at path (optional, defaults to
 122          /lib/modules/`uname -r`/build, then /lib/modules/`uname -r`/source,
 123          then /usr/src/linux-2.4, and lastly /usr/src/linux)])])
 124 AC_ARG_WITH([linux-kernel-build],
 125     [AS_HELP_STRING([--with-linux-kernel-build=path],
 126         [use the kernel build found at path(optional, defaults to
 127         kernel headers path)])])
 128 AC_ARG_WITH([bsd-kernel-headers],
 129     [AS_HELP_STRING([--with-bsd-kernel-headers=path],
 130         [use the kernel headers found at path (optional, defaults to
 131          /usr/src/sys)])])
 132 AC_ARG_WITH([bsd-kernel-build],
 133     [AS_HELP_STRING([--with-bsd-kernel-build=path],
 134         [use the kernel build found at path (optional, defaults to
 135          KSRC/i386/compile/GENERIC)])])
 136 AC_ARG_WITH([linux-kernel-packaging],
 137     [AS_HELP_STRING([--with-linux-kernel-packaging],
 138         [use standard naming conventions to aid Linux kernel build packaging
 139          (disables MPS, sets the kernel module name to openafs.ko, and
 140          installs kernel modules into the standard Linux location)])],
 141     [AC_SUBST(LINUX_KERNEL_PACKAGING, "yes")
 142      AC_SUBST(LINUX_LIBAFS_NAME, "openafs")],
 143     [AC_SUBST(LINUX_LIBAFS_NAME, "libafs")])
 144 AC_ARG_ENABLE([kernel-module],
 145     [AS_HELP_STRING([--disable-kernel-module],
 146         [disable compilation of the kernel module (defaults to enabled)])],
 147     ,
 148     [enable_kernel_module="yes"])
 149 AC_ARG_ENABLE([redhat-buildsys],
 150     [AS_HELP_STRING([--enable-redhat-buildsys],
 151         [enable compilation of the redhat build system kernel (defaults to
 152          disabled)])],
 153     ,
 154     [enable_redhat_buildsys="no"])
 155
 156 dnl Installation locations.
 157 AC_ARG_ENABLE([transarc-paths],
 158     [AS_HELP_STRING([--enable-transarc-paths],
 159         [use Transarc style paths like /usr/afs and /usr/vice])],
 160     ,
 161     [enable_transarc_paths="no"])
 162
 163 dnl Deprecated crypto
 164 AC_ARG_ENABLE([kauth],
 165     [AS_HELP_STRING([--enable-kauth],
 166         [install the deprecated kauth server, pam modules, and utilities
 167          (defaults to disabled)])],
 168     [enable_pam="yes"],
 169     [enable_kauth="no"
 170      enable_pam="no"])
 171
 172 dnl Optimization and debugging flags.
 173 AC_ARG_ENABLE([strip-binaries],
 174     [AS_HELP_STRING([--disable-strip-binaries],
 175         [disable stripping of symbol information from binaries (defaults to
 176          enabled)])],
 177     ,
 178     [enable_strip_binaries="maybe"])
 179 AC_ARG_ENABLE([debug],
 180     [AS_HELP_STRING([--enable-debug],
 181         [enable compilation of the user space code with debugging information
 182          (defaults to disabled)])],
 183     ,
 184     [enable_debug="no"])
 185 AC_ARG_ENABLE([optimize],
 186     [AS_HELP_STRING([--disable-optimize],
 187         [disable optimization for compilation of the user space code (defaults
 188          to enabled)])],
 189     ,
 190     [enable_optimize="yes"])
 191 AC_ARG_ENABLE([warnings],
 192     [AS_HELP_STRING([--enable-warnings],
 193         [enable compilation warnings when building with gcc (defaults to
 194          disabled)])],
 195     ,
 196     [enable_warnings="no"])
 197 AC_ARG_ENABLE([checking],
 198     [AS_HELP_STRING([--enable-checking],
 199         [turn compilation warnings into errors when building with gcc (defaults
 200          to disabled)])],
 201     [enable_checking="$enableval"],
 202     [enable_checking="no"])
 203 AC_ARG_ENABLE([debug-locks],
 204     [AS_HELP_STRING([--enable-debug-locks],
 205         [turn on lock debugging assertions (defaults to disabled)])],
 206     [enable_debug_locks="$enableval"],
 207     [enable_debug_locks="no"])
 208 AC_ARG_ENABLE([debug-kernel],
 209     [AS_HELP_STRING([--enable-debug-kernel],
 210         [enable compilation of the kernel module with debugging information
 211          (defaults to disabled)])],
 212     ,
 213     [enable_debug_kernel="no"])
 214 AC_ARG_ENABLE([optimize-kernel],
 215     [AS_HELP_STRING([--disable-optimize-kernel],
 216         [disable compilation of the kernel module with optimization (defaults
 217          based on platform)])],
 218     ,
 219     [enable_optimize_kernel=""])
 220 AC_ARG_ENABLE([debug-lwp],
 221     [AS_HELP_STRING([--enable-debug-lwp],
 222         [enable compilation of the LWP code with debugging information
 223          (defaults to disabled)])],
 224     ,
 225     [enable_debug_lwp="no"])
 226 AC_ARG_ENABLE([optimize-lwp],
 227     [AS_HELP_STRING([--disable-optimize-lwp],
 228         [disable optimization for compilation of the LWP code (defaults to
 229          enabled)])],
 230     ,
 231     [enable_optimize_lwp="yes"])
 232 AC_ARG_ENABLE([debug-pam],
 233     [AS_HELP_STRING([--enable-debug-pam],
 234         [enable compilation of the PAM code with debugging information
 235          (defaults to disabled)])],
 236     ,
 237     [enable_debug_pam="no"])
 238 AC_ARG_ENABLE([optimize-pam],
 239     [AS_HELP_STRING([--disable-optimize-pam],
 240         [disable optimization for compilation of the PAM code (defaults to
 241          enabled)])],
 242     ,
 243     [enable_optimize_pam="yes"])
 244 AC_ARG_ENABLE([linux-syscall-probing],
 245     [AS_HELP_STRING([--enable-linux-syscall-probing],
 246         [enable Linux syscall probing (defaults to autodetect)])],
 247     ,
 248     [enable_linux_syscall_probing="maybe"])
 249 AC_ARG_WITH([crosstools-dir],
 250     [AS_HELP_STRING([--with-crosstools-dir=path], [use path for native versions of rxgen, compile_et and config])])
 251
 252 AC_ARG_WITH([xslt-processor],
 253         AS_HELP_STRING([--with-xslt-processor=ARG],
 254         [which XSLT processor to use (possible choices are: libxslt, saxon, xalan-j, xsltproc)]),
 255         [XSLTPROC="$withval"],
 256         AC_CHECK_PROGS([XSLTPROC], [libxslt saxon xalan-j xsltproc], [echo]))
 257
 258 AC_ARG_WITH([html-xsl],
 259         AS_HELP_STRING([--with-html-xsl],
 260         [build HTML documentation using this stylesheet (default is html/chunk.dsl; specify either html/chunk.xsl or html/docbook.xsl)]),
 261         [HTML_XSL="$withval"],
 262         [HTML_XSL="html/chunk.xsl"])
 263
 264 AC_ARG_WITH([docbook2pdf],
 265         AS_HELP_STRING([--with-docbook2pdf=ARG],
 266         [which Docbook to PDF utility to use (possible choices are: fop, dblatex, docbook2pdf)]),
 267         [DOCBOOK2PDF="$withval"],
 268         AC_CHECK_PROGS([DOCBOOK2PDF], [fop dblatex docbook2pdf], [echo]))
 269
 270 AC_ARG_WITH([docbook-stylesheets],
 271         AS_HELP_STRING([--with-docbook-stylesheets=ARG],
 272         [location of DocBook stylesheets (default is to search a set of likely paths)]),
 273         [DOCBOOK_STYLESHEETS="$withval"],
 274         OPENAFS_SEARCH_DIRLIST([DOCBOOK_STYLESHEETS], [/usr/share/xml/docbook/stylesheet/nwalsh/current /usr/share/xml/docbook/stylesheet/nwalsh /usr/share/xml/docbook/xsl-stylesheets /usr/share/sgml/docbook/docbook-xsl-stylesheets /usr/share/sgml/docbook/xsl-stylesheets /usr/share/docbook-xsl /usr/share/sgml/docbkxsl /usr/local/share/xsl/docbook /sw/share/xml/xsl/docbook-xsl /opt/local/share/xsl/docbook-xsl], [$HTML_XSL])
 275         if test "x$DOCBOOK_STYLESHEETS" = "x"; then
 276                 AC_WARN([Docbook stylesheets not found; some documentation can't be built])
 277         fi)
 278
 279 AC_ARG_WITH([dot],
 280         AS_HELP_STRING([--with-dot@<:@=PATH@:>@],
 281         [use graphviz dot to generate dependency graphs with doxygen (defaults to autodetect)]),
 282         [], [with_dot="maybe"])
 283
 284 enable_login="no"
 285
 286 dnl Check whether kindlegen exists.  If not, we'll suppress that part of the
 287 dnl documentation build.
 288 AC_CHECK_PROGS([KINDLEGEN], [kindlegen])
 289 AC_CHECK_PROGS([DOXYGEN], [doxygen])
 290
 291 dnl Optionally generate graphs with doxygen.
 292 case "$with_dot" in
 293 maybe)
 294     AC_CHECK_PROGS([DOT], [dot])
 295     AS_IF([test "x$DOT" = "x"], [HAVE_DOT="no"], [HAVE_DOT="yes"])
 296     ;;
 297 yes)
 298     HAVE_DOT="yes"
 299     ;;
 300 no)
 301     HAVE_DOT="no"
 302     ;;
 303 *)
 304     HAVE_DOT="yes"
 305     DOT_PATH=$with_dot
 306 esac
 307 AC_SUBST(HAVE_DOT)
 308 AC_SUBST(DOT_PATH)
 309
 310 dnl Checks for UNIX variants.
 311 AC_ISC_POSIX
 312
 313 dnl Various compiler setup.
 314 AC_TYPE_PID_T
 315 AC_TYPE_SIZE_T
 316
 317 dnl Checks for programs.
 318 AC_PROG_INSTALL
 319 AC_PROG_LN_S
 320 AC_PROG_RANLIB
 321 AC_PROG_YACC
 322 AM_PROG_LEX
 323 dnl if we are flex, be lex-compatible
 324 OPENAFS_LEX_IS_FLEX([AC_SUBST([LEX], ["$LEX -l"])])
 325
 326 OPENAFS_FORCE_ABS_INSTALL
 327 OPENAFS_CHECK_BIGENDIAN
 328 OPENAFS_PRINTF_TAKES_Z_LEN
 329
 330 AC_MSG_CHECKING(your OS)
 331 system=$host
 332 case $system in
 333         *-linux*)
 334
 335                 MKAFS_OSTYPE=LINUX
 336                 if test "x$enable_redhat_buildsys" = "xyes"; then
 337                  AC_DEFINE(ENABLE_REDHAT_BUILDSYS, 1, [define if you have redhat buildsystem])
 338                 fi
 339                 if test "x$enable_kernel_module" = "xyes"; then
 340                  if test "x$with_linux_kernel_headers" != "x"; then
 341                    LINUX_KERNEL_PATH="$with_linux_kernel_headers"
 342                  else
 343                    for utsdir in "/lib/modules/`uname -r`/build" \
 344                                  "/lib/modules/`uname -r`/source" \
 345                                  "/usr/src/linux-2.4" \
 346                                  "/usr/src/linux"; do
 347                      LINUX_KERNEL_PATH="$utsdir"
 348                      for utsfile in "include/generated/utsrelease.h" \
 349                                     "include/linux/utsrelease.h" \
 350                                     "include/linux/version.h" \
 351                                     "include/linux/version-up.h"; do
 352                        if grep "UTS_RELEASE" "$utsdir/$utsfile" >/dev/null 2>&1; then
 353                          break 2
 354                        fi
 355                      done
 356                    done
 357                  fi
 358                  if test "x$with_linux_kernel_build" != "x"; then
 359                          LINUX_KERNEL_BUILD="$with_linux_kernel_build"
 360                  else
 361                    LINUX_KERNEL_BUILD=$LINUX_KERNEL_PATH
 362                  fi
 363                  if test -f "$LINUX_KERNEL_BUILD/include/generated/utsrelease.h"; then
 364                    linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/generated/utsrelease.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
 365                    LINUX_VERSION="$linux_kvers"
 366                  else
 367                    if test -f "$LINUX_KERNEL_BUILD/include/linux/utsrelease.h"; then
 368                      linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/linux/utsrelease.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
 369                      LINUX_VERSION="$linux_kvers"
 370                    else
 371                      if test -f "$LINUX_KERNEL_BUILD/include/linux/version.h"; then
 372                        linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/linux/version.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
 373                        if test "x$linux_kvers" = "x"; then
 374                          if test -f "$LINUX_KERNEL_BUILD/include/linux/version-up.h"; then
 375                            linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/linux/version-up.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
 376                            if test "x$linux_kvers" = "x"; then
 377                              AC_MSG_ERROR(Linux headers lack version definition [2])
 378                              exit 1
 379                            else
 380                              LINUX_VERSION="$linux_kvers"
 381                            fi
 382                          else
 383                            AC_MSG_ERROR(Linux headers lack version definition)
 384                            exit 1
 385                          fi
 386                        else
 387                          LINUX_VERSION="$linux_kvers"
 388                        fi
 389                      else
 390                        enable_kernel_module="no"
 391                      fi
 392                    fi
 393                  fi
 394                  if test ! -f "$LINUX_KERNEL_BUILD/include/generated/autoconf.h" &&
 395                     test ! -f "$LINUX_KERNEL_BUILD/include/linux/autoconf.h"; then
 396                      enable_kernel_module="no"
 397                  fi
 398                  if test "x$enable_kernel_module" = "xno"; then
 399                   if test "x$with_linux_kernel_headers" != "x"; then
 400                    AC_MSG_ERROR(No usable linux headers found at $LINUX_KERNEL_PATH)
 401                    exit 1
 402                   else
 403                    AC_MSG_WARN(No usable linux headers found at $LINUX_KERNEL_PATH so disabling kernel module)
 404                   fi
 405                  fi
 406                  dnl do we need to determine SUBARCH from autoconf.h
 407                  SUBARCH=default
 408                 fi
 409                 AC_MSG_RESULT(linux)
 410                 if test "x$enable_kernel_module" = "xyes"; then
 411                  case "$LINUX_VERSION" in
 412                   2.2.*) AFS_SYSKVERS=22 ;;
 413                   2.4.*) AFS_SYSKVERS=24 ;;
 414                   2.6.* | 3.*) AFS_SYSKVERS=26 ;;
 415                   *) AC_MSG_ERROR(Couldn't guess your Linux version [2]) ;;
 416                  esac
 417                 fi
 418                 ;;
 419         *-solaris*)
 420                 MKAFS_OSTYPE=SOLARIS
 421                 AC_MSG_RESULT(sun4)
 422                 AC_PATH_PROG(SOLARISCC, [cc], ,
 423                     [/opt/SUNWspro/bin:/opt/SunStudioExpress/bin:/opt/solarisstudio12.3/bin:/opt/solstudio12.2/bin:/opt/sunstudio12.1/bin])
 424                 if test "x$SOLARISCC" = "x" ; then
 425                     AC_MSG_FAILURE(Could not find the solaris cc program.  Please define the environment variable SOLARISCC to specify the path.)
 426                 fi
 427                 SOLARIS_UFSVFS_HAS_DQRWLOCK
 428                 SOLARIS_FS_HAS_FS_ROLLED
 429                 SOLARIS_SOLOOKUP_TAKES_SOCKPARAMS
 430                 SOLARIS_HAVE_VN_RENAMEPATH
 431                 ;;
 432         *-sunos*)
 433                 MKAFS_OSTYPE=SUNOS
 434                 enable_kernel_module=no
 435                 AC_MSG_RESULT(sun4)
 436                 ;;
 437         *-hpux*)
 438                 MKAFS_OSTYPE=HPUX
 439                 AC_MSG_RESULT(hp_ux)
 440                 if test -f "/usr/old/usr/include/ndir.h"; then
 441                  AC_DEFINE(HAVE_USR_OLD_USR_INCLUDE_NDIR_H, 1, [define if you have old ndir.h])
 442                 fi
 443                 ;;
 444         *-irix*)
 445                 if test -d /usr/include/sys/SN/SN1; then
 446                  IRIX_BUILD_IP35="IP35"
 447                 fi
 448                 MKAFS_OSTYPE=IRIX
 449                 AC_MSG_RESULT(sgi)
 450                 ;;
 451         *-aix*)
 452                 MKAFS_OSTYPE=AIX
 453                 AC_MSG_RESULT(rs_aix)
 454                 ;;
 455         arm-*-darwin*)
 456                 MKAFS_OSTYPE=DARWIN
 457                 AC_MSG_RESULT(arm_darwin)
 458                 ;;
 459         powerpc-*-darwin*)
 460                 MKAFS_OSTYPE=DARWIN
 461                 AC_MSG_RESULT(ppc_darwin)
 462                 ;;
 463         i386-*-darwin*)
 464                 MKAFS_OSTYPE=DARWIN
 465                 AC_MSG_RESULT(x86_darwin)
 466                 ;;
 467         x86_64-*-darwin*)
 468                 MKAFS_OSTYPE=DARWIN
 469                 AC_MSG_RESULT(x86_darwin)
 470                 ;;
 471         i386-*-freebsd*)
 472                 MKAFS_OSTYPE=FBSD
 473                 AC_MSG_RESULT(i386_fbsd)
 474                 ;;
 475         x86_64-*-freebsd*)
 476                 MKAFS_OSTYPE=FBSD
 477                 AC_MSG_RESULT(amd64_fbsd)
 478                 ;;
 479         *-netbsd*)
 480                 MKAFS_OSTYPE=NBSD
 481                 AC_MSG_RESULT(nbsd)
 482                 ;;
 483         x86_64-*-openbsd*)
 484                 MKAFS_OSTYPE=OBSD
 485                 AC_MSG_RESULT(amd64_obsd)
 486                 ;;
 487         i386-*-openbsd*)
 488                 MKAFS_OSTYPE=OBSD
 489                 AC_MSG_RESULT(i386_obsd)
 490                 ;;
 491         *-dragonfly*)
 492                 MKAFS_OSTYPE=DFBSD
 493                 AC_MSG_RESULT(i386_dfbsd)
 494                 ;;
 495         *)
 496                 AC_MSG_RESULT($system)
 497                 ;;
 498 esac
 499
 500 if test "x$with_afs_sysname" != "x"; then
 501         AFS_SYSNAME="$with_afs_sysname"
 502 else
 503         AC_MSG_CHECKING(your AFS sysname)
 504         case $host in
 505                 i?86-*-openbsd?.?)
 506                         v=${host#*openbsd}
 507                         vM=${v%.*}
 508                         vm=${v#*.}
 509                         AFS_SYSNAME="i386_obsd${vM}${vm}"
 510                         ;;
 511                 sparc64-*-openbsd?.?)
 512                         v=${host#*openbsd}
 513                         vM=${v%.*}
 514                         vm=${v#*.}
 515                         AFS_SYSNAME="sparc64_obsd${vM}${vm}"
 516                         ;;
 517                 x86_64-*-openbsd?.?)
 518                         v=${host#*openbsd}
 519                         vM=${v%.*}
 520                         vm=${v#*.}
 521                         AFS_SYSNAME="amd64_obsd${vM}${vm}"
 522                         ;;
 523                 i?86-*-freebsd*.*)
 524                         v=${host#*freebsd}
 525                         vM=${v%.*}
 526                         vm=${v#*.}
 527                         AFS_SYSNAME="i386_fbsd_${vM}${vm}"
 528                         ;;
 529                 x86_64-*-freebsd*.*)
 530                         v=${host#*freebsd}
 531                         vM=${v%.*}
 532                         vm=${v#*.}
 533                         AFS_SYSNAME="amd64_fbsd_${vM}${vm}"
 534                         ;;
 535                 i386-*-dragonfly?.*)
 536                         v=${host#*dragonfly}
 537                         vM=${v%.*}
 538                         vm=${v#*.}
 539                         AFS_SYSNAME="i386_dfbsd_${vM}${vm}"
 540                         ;;
 541                 i?86-*-netbsd*1.6[[M-Z]]*)
 542                         AFS_SYSNAME="i386_nbsd20"
 543                         ;;
 544                 powerpc-*-netbsd*1.6[[M-Z]]*)
 545                         AFS_SYSNAME="ppc_nbsd20"
 546                         ;;
 547                 *-*-netbsd*)
 548                         arch=${host%%-unknown*}
 549                         arch=$(echo $arch |sed -e 's/x86_64/amd64/g' \
 550                                                -e 's/powerpc/ppc/g')
 551                         v=${host#*netbsd}
 552                         v=${v#*aout}
 553                         v=${v#*ecoff}
 554                         v=${v#*elf}
 555                         vM=${v%%.*}
 556                         vM=${vM%.*}
 557                         v=${v#*.}
 558                         vm=${v%%.*}
 559                         vm=${vm%.*}
 560                         vm=${vm%%[[_A-Z]]*}
 561                         if test $vm -eq 99 ; then
 562                                 vM=$((vM+1))
 563                         fi
 564                         if test $vM -gt 1 ; then
 565                                 vm=0
 566                         fi
 567                         AFS_SYSNAME="${arch}_nbsd${vM}${vm}"
 568                         ;;
 569                 hppa*-hp-hpux11.0*)
 570                         AFS_SYSNAME="hp_ux110"
 571                         ;;
 572                 hppa*-hp-hpux11.11)
 573                         AFS_SYSNAME="hp_ux11i"
 574                         ;;
 575                 hppa*-hp-hpux11.23)
 576                         AFS_SYSNAME="hp_ux1123"
 577                         ;;
 578                 ia64-hp-hpux11.22)
 579                         AFS_SYSNAME="ia64_hpux1122"
 580                         ;;
 581                 ia64-hp-hpux*)
 582                         AFS_SYSNAME="ia64_hpux1123"
 583                         ;;
 584                 hppa*-hp-hpux10*)
 585                         AFS_SYSNAME="hp_ux102"
 586                         ;;
 587                 powerpc-apple-darwin7*)
 588                         AFS_SYSNAME="ppc_darwin_70"
 589                         OSXSDK="macosx10.3"
 590                         ;;
 591                 powerpc-apple-darwin8.*)
 592                         AFS_SYSNAME="ppc_darwin_80"
 593                         OSXSDK="macosx10.4"
 594                         ;;
 595                 i386-apple-darwin8.*)
 596                         AFS_SYSNAME="x86_darwin_80"
 597                         OSXSDK="macosx10.4"
 598                         ;;
 599                 powerpc-apple-darwin9.*)
 600                         AFS_SYSNAME="ppc_darwin_90"
 601                         OSXSDK="macosx10.5"
 602                         ;;
 603                 i386-apple-darwin9.*)
 604                         AFS_SYSNAME="x86_darwin_90"
 605                         OSXSDK="macosx10.5"
 606                         ;;
 607                 i?86-apple-darwin10.*)
 608                         AFS_SYSNAME="x86_darwin_100"
 609                         OSXSDK="macosx10.6"
 610                         ;;
 611                 x86_64-apple-darwin10.*)
 612                         AFS_SYSNAME="x86_darwin_100"
 613                         OSXSDK="macosx10.6"
 614                         ;;
 615                 arm-apple-darwin10.*)
 616                         AFS_SYSNAME="arm_darwin_100"
 617                         OSXSDK="iphoneos4.0"
 618                         ;;
 619                 x86_64-apple-darwin11.*)
 620                         AFS_SYSNAME="x86_darwin_110"
 621                         OSXSDK="macosx10.7"
 622                         ;;
 623                 i?86-apple-darwin11.*)
 624                         AFS_SYSNAME="x86_darwin_110"
 625                         OSXSDK="macosx10.7"
 626                         ;;
 627                 x86_64-apple-darwin12.*)
 628                         AFS_SYSNAME="x86_darwin_120"
 629                         OSXSDK="macosx10.8"
 630                         ;;
 631                 i?86-apple-darwin12.*)
 632                         AFS_SYSNAME="x86_darwin_120"
 633                         OSXSDK="macosx10.8"
 634                         ;;
 635                 x86_64-apple-darwin13.*)
 636                         AFS_SYSNAME="x86_darwin_130"
 637                         OSXSDK="macosx10.9"
 638                         ;;
 639                 i?86-apple-darwin13.*)
 640                         AFS_SYSNAME="x86_darwin_130"
 641                         OSXSDK="macosx10.9"
 642                         ;;
 643                 sparc-sun-solaris2.8)
 644                         AFS_SYSNAME="sun4x_58"
 645                         ;;
 646                 sparc-sun-solaris2.9)
 647                         AFS_SYSNAME="sun4x_59"
 648                         ;;
 649                 sparc-sun-solaris2.10)
 650                         AFS_SYSNAME="sun4x_510"
 651                         ;;
 652                 sparc-sun-solaris2.11)
 653                         AFS_SYSNAME="sun4x_511"
 654                         ;;
 655                 i386-pc-solaris2.8)
 656                         AFS_SYSNAME="sunx86_58"
 657                         ;;
 658                 i386-pc-solaris2.9)
 659                         AFS_SYSNAME="sunx86_59"
 660                         ;;
 661                 i386-pc-solaris2.10)
 662                         AFS_SYSNAME="sunx86_510"
 663                         ;;
 664                 i386-pc-solaris2.11)
 665                         AFS_SYSNAME="sunx86_511"
 666                         ;;
 667                 alpha*-dec-osf4.0*)
 668                         AFS_SYSNAME="alpha_dux40"
 669                         ;;
 670                 alpha*-dec-osf5.0*)
 671                         AFS_SYSNAME="alpha_dux50"
 672                         ;;
 673                 alpha*-dec-osf5.1*)
 674                         AFS_SYSNAME="alpha_dux51"
 675                         ;;
 676                 mips-sgi-irix6.5)
 677                         AFS_SYSNAME="sgi_65"
 678                         enable_pam="no"
 679                         ;;
 680                 ia64-*-linux*)
 681                         AFS_SYSNAME="ia64_linuxXX"
 682                         ;;
 683                 powerpc-*-linux*)
 684                         AFS_SYSNAME="`/bin/arch`_linuxXX"
 685                         ;;
 686                 powerpc64-*-linux*)
 687                         AFS_SYSNAME="ppc64_linuxXX"
 688                         ;;
 689                 alpha*-linux*)
 690                         AFS_SYSNAME="alpha_linux_XX"
 691                         ;;
 692                 s390-*-linux*)
 693                         AFS_SYSNAME="s390_linuxXX"
 694                         ;;
 695                 s390x-*-linux*)
 696                         AFS_SYSNAME="s390x_linuxXX"
 697                         ;;
 698                 sparc-*-linux*)
 699                         AFS_SYSNAME="`/bin/arch`_linuxXX"
 700                         ;;
 701                 sparc64-*-linux*)
 702                         AFS_SYSNAME="sparc64_linuxXX"
 703                         ;;
 704                 i?86-*-linux*)
 705                         AFS_SYSNAME="i386_linuxXX"
 706                         ;;
 707                 arm*-linux*)
 708                         AFS_SYSNAME="arm_linuxXX"
 709                         ;;
 710                 parisc-*-linux-gnu|hppa-*-linux-gnu)
 711                         AFS_SYSNAME="parisc_linuxXX"
 712                         enable_pam="no"
 713                         ;;
 714                 power*-ibm-aix4.2*)
 715                         AFS_SYSNAME="rs_aix42"
 716                         enable_pam="no"
 717                         ;;
 718                 power*-ibm-aix4.3*)
 719                         AFS_SYSNAME="rs_aix42"
 720                         enable_pam="no"
 721                         ;;
 722                 power*-ibm-aix5.1*)
 723                         AFS_SYSNAME="rs_aix51"
 724                         enable_pam="no"
 725                         ;;
 726                 power*-ibm-aix5.2*)
 727                         AFS_SYSNAME="rs_aix52"
 728                         enable_pam="no"
 729                         ;;
 730                 power*-ibm-aix5.3*)
 731                         AFS_SYSNAME="rs_aix53"
 732                         enable_pam="no"
 733                         ;;
 734                 power*-ibm-aix6.1*)
 735                         AFS_SYSNAME="rs_aix61"
 736                         enable_pam="no"
 737                         ;;
 738                 x86_64-*-linux-gnu)
 739                         AFS_SYSNAME="amd64_linuxXX"
 740                         enable_pam="yes"
 741                         ;;
 742                 *)
 743                         AC_MSG_ERROR(An AFS sysname is required)
 744                         exit 1
 745                         ;;
 746         esac
 747         case $AFS_SYSNAME in
 748                 *_linux* | *_umlinux*)
 749                         if test "x${AFS_SYSKVERS}" = "x"; then
 750                          AC_MSG_ERROR(Couldn't guess your Linux version. Please use the --with-afs-sysname option to configure an AFS sysname.)
 751                         fi
 752                         _AFS_SYSNAME=`echo $AFS_SYSNAME|sed s/XX\$/$AFS_SYSKVERS/`
 753                         AFS_SYSNAME="$_AFS_SYSNAME"
 754                         AC_TRY_KBUILD(
 755                          [],
 756                          [#ifndef CONFIG_USERMODE
 757                           #error not UML
 758                           #endif],
 759                          ac_cv_linux_is_uml=yes,)
 760                         if test "${ac_cv_linux_is_uml}" = yes; then
 761                          _AFS_SYSNAME=`echo $AFS_SYSNAME|sed s/linux/umlinux/`
 762                         fi
 763                         AFS_SYSNAME="$_AFS_SYSNAME"
 764                         ;;
 765         esac
 766         AC_MSG_RESULT($AFS_SYSNAME)
 767 fi
 768
 769 case $AFS_SYSNAME in
 770         *_darwin*)
 771                 AC_CHECK_HEADERS(crt_externs.h)
 772                 DARWIN_PLIST=src/libafs/afs.${AFS_SYSNAME}.plist
 773                 DARWIN_INFOFILE=afs.${AFS_SYSNAME}.plist
 774                 AC_SUBST(OSXSDK)
 775                 ;;
 776 esac
 777
 778 dnl Some hosts have a separate common param file they should include.  Figure
 779 dnl out if we're on one of them now that we know the sysname.
 780 case $AFS_SYSNAME in
 781     *_nbsd15)   AFS_PARAM_COMMON=param.nbsd15.h  ;;
 782     *_nbsd16)   AFS_PARAM_COMMON=param.nbsd16.h  ;;
 783     *_nbsd20)   AFS_PARAM_COMMON=param.nbsd20.h  ;;
 784     *_nbsd21)   AFS_PARAM_COMMON=param.nbsd21.h  ;;
 785     *_nbsd30)   AFS_PARAM_COMMON=param.nbsd30.h  ;;
 786     *_nbsd40)   AFS_PARAM_COMMON=param.nbsd40.h  ;;
 787     *_nbsd50)   AFS_PARAM_COMMON=param.nbsd50.h  ;;
 788     *_nbsd60)   AFS_PARAM_COMMON=param.nbsd60.h  ;;
 789     *_nbsd70)   AFS_PARAM_COMMON=param.nbsd70.h  ;;
 790     *_obsd31)   AFS_PARAM_COMMON=param.obsd31.h  ;;
 791     *_obsd32)   AFS_PARAM_COMMON=param.obsd32.h  ;;
 792     *_obsd33)   AFS_PARAM_COMMON=param.obsd33.h  ;;
 793     *_obsd34)   AFS_PARAM_COMMON=param.obsd34.h  ;;
 794     *_obsd35)   AFS_PARAM_COMMON=param.obsd35.h  ;;
 795     *_obsd36)   AFS_PARAM_COMMON=param.obsd36.h  ;;
 796     *_obsd37)   AFS_PARAM_COMMON=param.obsd37.h  ;;
 797     *_obsd38)   AFS_PARAM_COMMON=param.obsd38.h  ;;
 798     *_obsd39)   AFS_PARAM_COMMON=param.obsd39.h  ;;
 799     *_obsd40)   AFS_PARAM_COMMON=param.obsd40.h  ;;
 800     *_obsd41)   AFS_PARAM_COMMON=param.obsd41.h  ;;
 801     *_obsd42)   AFS_PARAM_COMMON=param.obsd42.h  ;;
 802     *_obsd43)   AFS_PARAM_COMMON=param.obsd43.h  ;;
 803     *_obsd44)   AFS_PARAM_COMMON=param.obsd44.h  ;;
 804     *_obsd45)   AFS_PARAM_COMMON=param.obsd45.h  ;;
 805     *_obsd46)   AFS_PARAM_COMMON=param.obsd46.h  ;;
 806     *_obsd47)   AFS_PARAM_COMMON=param.obsd47.h  ;;
 807     *_obsd48)   AFS_PARAM_COMMON=param.obsd48.h  ;;
 808     *_obsd49)   AFS_PARAM_COMMON=param.obsd49.h  ;;
 809     *_obsd50)   AFS_PARAM_COMMON=param.obsd50.h  ;;
 810     *_obsd51)   AFS_PARAM_COMMON=param.obsd51.h  ;;
 811     *_obsd52)   AFS_PARAM_COMMON=param.obsd52.h  ;;
 812     *_obsd53)   AFS_PARAM_COMMON=param.obsd53.h  ;;
 813     *_obsd54)   AFS_PARAM_COMMON=param.obsd54.h  ;;
 814     *_linux22)  AFS_PARAM_COMMON=param.linux22.h ;;
 815     *_linux24)  AFS_PARAM_COMMON=param.linux24.h ;;
 816     *_linux26)  AFS_PARAM_COMMON=param.linux26.h ;;
 817 # Linux alpha adds an extra underscore for no good reason.
 818     *_linux_22) AFS_PARAM_COMMON=param.linux22.h ;;
 819     *_linux_24) AFS_PARAM_COMMON=param.linux24.h ;;
 820     *_linux_26) AFS_PARAM_COMMON=param.linux26.h ;;
 821     *_fbsd_*)   AFS_PARAM_COMMON=param.generic_fbsd.h ;;
 822 esac
 823
 824 OPENAFS_OSCONF
 825
 826 case $AFS_SYSNAME in *_linux* | *_umlinux*)
 827
 828                 # Add (sub-) architecture-specific paths needed by conftests
 829                 case $AFS_SYSNAME  in
 830                         *_umlinux26)
 831                                 UMLINUX26_FLAGS="-I$LINUX_KERNEL_PATH/arch/um/include"
 832                                 UMLINUX26_FLAGS="$UMLINUX26_FLAGS -I$LINUX_KERNEL_PATH/arch/um/kernel/tt/include"
 833                                 UMLINUX26_FLAGS="$UMLINUX26_FLAGS -I$LINUX_KERNEL_PATH/arch/um/kernel/skas/include"
 834                                 CPPFLAGS="$CPPFLAGS $UMLINUX26_FLAGS"
 835                 esac
 836
 837                 if test "x$enable_kernel_module" = "xyes"; then
 838                  if test "x$enable_debug_kernel" = "xno"; then
 839                         LINUX_GCC_KOPTS="$LINUX_GCC_KOPTS -fomit-frame-pointer"
 840                  fi
 841                  OPENAFS_GCC_SUPPORTS_MARCH
 842                  AC_SUBST(P5PLUS_KOPTS)
 843                  OPENAFS_GCC_NEEDS_NO_STRENGTH_REDUCE
 844                  OPENAFS_GCC_NEEDS_NO_STRICT_ALIASING
 845                  OPENAFS_GCC_SUPPORTS_NO_COMMON
 846                  OPENAFS_GCC_SUPPORTS_PIPE
 847                  AC_SUBST(LINUX_GCC_KOPTS)
 848
 849                  dnl Setup the kernel build environment
 850                  LINUX_KBUILD_USES_EXTRA_CFLAGS
 851                  LINUX_KERNEL_COMPILE_WORKS
 852
 853                  dnl Check for header files
 854                  AC_CHECK_LINUX_HEADER([config.h])
 855                  AC_CHECK_LINUX_HEADER([completion.h])
 856                  AC_CHECK_LINUX_HEADER([exportfs.h])
 857                  AC_CHECK_LINUX_HEADER([freezer.h])
 858                  AC_CHECK_LINUX_HEADER([key-type.h])
 859                  AC_CHECK_LINUX_HEADER([semaphore.h])
 860                  AC_CHECK_LINUX_HEADER([seq_file.h])
 861
 862                  dnl Type existence checks
 863                  AC_CHECK_LINUX_TYPE([struct vfs_path], [dcache.h])
 864                  AC_CHECK_LINUX_TYPE([kuid_t], [uidgid.h])
 865
 866                  dnl Check for structure elements
 867                  AC_CHECK_LINUX_STRUCT([address_space_operations],
 868                                        [write_begin], [fs.h])
 869                  AC_CHECK_LINUX_STRUCT([backing_dev_info], [name],
 870                                        [backing-dev.h])
 871                  AC_CHECK_LINUX_STRUCT([cred], [session_keyring], [cred.h])
 872                  AC_CHECK_LINUX_STRUCT([ctl_table], [ctl_name], [sysctl.h])
 873                  AC_CHECK_LINUX_STRUCT([dentry_operations], [d_automount], [dcache.h])
 874                  AC_CHECK_LINUX_STRUCT([inode], [i_alloc_sem], [fs.h])
 875                  AC_CHECK_LINUX_STRUCT([inode], [i_blkbits], [fs.h])
 876                  AC_CHECK_LINUX_STRUCT([inode], [i_blksize], [fs.h])
 877                  AC_CHECK_LINUX_STRUCT([inode], [i_mutex], [fs.h])
 878                  AC_CHECK_LINUX_STRUCT([inode], [i_security], [fs.h])
 879                  AC_CHECK_LINUX_STRUCT([file_operations], [flock], [fs.h])
 880                  AC_CHECK_LINUX_STRUCT([file_operations], [iterate], [fs.h])
 881                  AC_CHECK_LINUX_STRUCT([file_operations], [read_iter], [fs.h])
 882                  AC_CHECK_LINUX_STRUCT([file_operations], [sendfile], [fs.h])
 883                  AC_CHECK_LINUX_STRUCT([file_system_type], [mount], [fs.h])
 884                  AC_CHECK_LINUX_STRUCT([inode_operations], [truncate], [fs.h])
 885                  AC_CHECK_LINUX_STRUCT([key_type], [preparse], [key-type.h])
 886                  AC_CHECK_LINUX_STRUCT([key_type], [instantiate_prep], [key-type.h])
 887                  AC_CHECK_LINUX_STRUCT([nameidata], [path], [namei.h])
 888                  AC_CHECK_LINUX_STRUCT([proc_dir_entry], [owner], [proc_fs.h])
 889                  AC_CHECK_LINUX_STRUCT([super_block], [s_bdi], [fs.h])
 890                  AC_CHECK_LINUX_STRUCT([super_block], [s_d_op], [fs.h])
 891                  AC_CHECK_LINUX_STRUCT([super_operations], [alloc_inode],
 892                                        [fs.h])
 893                  AC_CHECK_LINUX_STRUCT([super_operations], [evict_inode],
 894                                        [fs.h])
 895                  AC_CHECK_LINUX_STRUCT([task_struct], [cred], [sched.h])
 896                  AC_CHECK_LINUX_STRUCT([task_struct], [exit_state], [sched.h])
 897                  AC_CHECK_LINUX_STRUCT([task_struct], [parent], [sched.h])
 898                  AC_CHECK_LINUX_STRUCT([task_struct], [real_parent], [sched.h])
 899                  AC_CHECK_LINUX_STRUCT([task_struct], [rlim], [sched.h])
 900                  AC_CHECK_LINUX_STRUCT([task_struct], [sig], [sched.h])
 901                  AC_CHECK_LINUX_STRUCT([task_struct], [sighand], [sched.h])
 902                  AC_CHECK_LINUX_STRUCT([task_struct], [sigmask_lock], [sched.h])
 903                  AC_CHECK_LINUX_STRUCT([task_struct], [tgid], [sched.h])
 904                  AC_CHECK_LINUX_STRUCT([task_struct], [thread_info], [sched.h])
 905                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_SIGNAL_RLIM
 906
 907                  dnl Check for typed structure elements
 908                  AC_CHECK_LINUX_TYPED_STRUCT([read_descriptor_t],
 909                                              [buf], [fs.h])
 910
 911                  dnl Function existence checks
 912
 913                  AC_CHECK_LINUX_FUNC([bdi_init],
 914                                      [#include <linux/backing-dev.h>],
 915                                      [bdi_init(NULL);])
 916                  AC_CHECK_LINUX_FUNC([PageChecked],
 917                                      [#include <linux/mm.h>
 918 #include <linux/page-flags.h>],
 919                                      [struct page *_page;
 920                                       int bchecked = PageChecked(_page);])
 921                  AC_CHECK_LINUX_FUNC([PageFsMisc],
 922                                      [#include <linux/mm.h>
 923 #include <linux/page-flags.h>],
 924                                      [struct page *_page;
 925                                       int bchecked = PageFsMisc(_page);])
 926                  AC_CHECK_LINUX_FUNC([clear_inode],
 927                                      [#include <linux/fs.h>],
 928                                      [clear_inode(NULL);])
 929                  AC_CHECK_LINUX_FUNC([current_kernel_time],
 930                                      [#include <linux/time.h>],
 931                                      [struct timespec s;
 932                                       s = current_kernel_time();])
 933                  AC_CHECK_LINUX_FUNC([d_alloc_anon],
 934                                      [#include <linux/fs.h>],
 935                                      [d_alloc_anon(NULL);])
 936                  AC_CHECK_LINUX_FUNC([d_count],
 937                                      [#include <linux/dcache.h>],
 938                                      [d_count(NULL);])
 939                  AC_CHECK_LINUX_FUNC([d_make_root],
 940                                      [#include <linux/fs.h>],
 941                                      [d_make_root(NULL);])
 942                  AC_CHECK_LINUX_FUNC([do_sync_read],
 943                                      [#include <linux/fs.h>],
 944                                      [do_sync_read(NULL, NULL, 0, NULL);])
 945                  AC_CHECK_LINUX_FUNC([find_task_by_pid],
 946                                      [#include <linux/sched.h>],
 947                                      [pid_t p; find_task_by_pid(p);])
 948                  AC_CHECK_LINUX_FUNC([generic_file_aio_read],
 949                                      [#include <linux/fs.h>],
 950                                      [generic_file_aio_read(NULL,NULL,0,0);])
 951                  AC_CHECK_LINUX_FUNC([grab_cache_page_write_begin],
 952                                      [#include <linux/pagemap.h>],
 953                                      [grab_cache_page_write_begin(NULL, 0, 0);])
 954                  AC_CHECK_LINUX_FUNC([hlist_unhashed],
 955                                      [#include <linux/list.h>],
 956                                      [hlist_unhashed(0);])
 957                  AC_CHECK_LINUX_FUNC([i_size_read],
 958                                      [#include <linux/fs.h>],
 959                                      [i_size_read(NULL);])
 960                  AC_CHECK_LINUX_FUNC([inode_setattr],
 961                                      [#include <linux/fs.h>],
 962                                      [inode_setattr(NULL, NULL);])
 963                  AC_CHECK_LINUX_FUNC([iter_file_splice_write],
 964                                      [#include <linux/fs.h>],
 965                                      [iter_file_splice_write(NULL,NULL,NULL,0,0);])
 966                  AC_CHECK_LINUX_FUNC([kernel_setsockopt],
 967                                      [#include <linux/net.h>],
 968                                      [kernel_setsockopt(NULL, 0, 0, NULL, 0);])
 969                  AC_CHECK_LINUX_FUNC([page_follow_link],
 970                                      [#include <linux/fs.h>],
 971                                      [page_follow_link(0,0);])
 972                  AC_CHECK_LINUX_FUNC([page_offset],
 973                                      [#include <linux/pagemap.h>],
 974                                      [page_offset(NULL);])
 975                  AC_CHECK_LINUX_FUNC([pagevec_lru_add_file],
 976                                      [#include <linux/pagevec.h>],
 977                                      [__pagevec_lru_add_file(NULL);])
 978                  AC_CHECK_LINUX_FUNC([path_lookup],
 979                                      [#include <linux/fs.h>
 980                                       #include <linux/namei.h>],
 981                                      [path_lookup(NULL, 0, NULL);])
 982                  AC_CHECK_LINUX_FUNC([proc_create],
 983                                      [#include <linux/proc_fs.h>],
 984                                      [proc_create(NULL, 0, NULL, NULL);])
 985                  AC_CHECK_LINUX_FUNC([rcu_read_lock],
 986                                      [#include <linux/rcupdate.h>],
 987                                      [rcu_read_lock();])
 988                  AC_CHECK_LINUX_FUNC([set_nlink],
 989                                      [#include <linux/fs.h>],
 990                                      [set_nlink(NULL, 1);])
 991                  AC_CHECK_LINUX_FUNC([sock_create_kern],
 992                                      [#include <linux/net.h>],
 993                                      [sock_create_kern(0, 0, 0, NULL);])
 994                  AC_CHECK_LINUX_FUNC([splice_direct_to_actor],
 995                                      [#include <linux/splice.h>],
 996                                      [splice_direct_to_actor(NULL,NULL,NULL);])
 997                  AC_CHECK_LINUX_FUNC([svc_addr_in],
 998                                      [#include <linux/sunrpc/svc.h>],
 999                                      [svc_addr_in(NULL);])
1000                  AC_CHECK_LINUX_FUNC([zero_user_segments],
1001                                      [#include <linux/highmem.h>],
1002                                      [zero_user_segments(NULL, 0, 0, 0, 0);])
1003                  AC_CHECK_LINUX_FUNC([noop_fsync],
1004                                      [#include <linux/fs.h>],
1005                                      [void *address = &noop_fsync; printk("%p\n", address)];)
1006                  AC_CHECK_LINUX_FUNC([kthread_run],
1007                                      [#include <linux/kernel.h>
1008                                       #include <linux/kthread.h>],
1009                                      [kthread_run(NULL, NULL, "test");])
1010
1011                  dnl Consequences - things which get set as a result of the
1012                  dnl                above tests
1013                  AS_IF([test "x$ac_cv_linux_func_d_alloc_anon" = "xno"],
1014                        [AC_DEFINE([AFS_NONFSTRANS], 1,
1015                                   [define to disable the nfs translator])])
1016
1017                  dnl Assorted more complex tests
1018                  LINUX_AIO_NONVECTOR
1019                  LINUX_EXPORTS_PROC_ROOT_FS
1020                  LINUX_KMEM_CACHE_INIT
1021                  LINUX_HAVE_KMEM_CACHE_T
1022                  LINUX_KMEM_CACHE_CREATE_TAKES_DTOR
1023                  LINUX_KMEM_CACHE_CREATE_CTOR_TAKES_VOID
1024                  LINUX_D_PATH_TAKES_STRUCT_PATH
1025                  LINUX_NEW_EXPORT_OPS
1026                  LINUX_INODE_SETATTR_RETURN_TYPE
1027                  LINUX_IOP_I_CREATE_TAKES_NAMEIDATA
1028                  LINUX_IOP_I_LOOKUP_TAKES_NAMEIDATA
1029                  LINUX_IOP_I_PERMISSION_TAKES_FLAGS
1030                  LINUX_IOP_I_PERMISSION_TAKES_NAMEIDATA
1031                  LINUX_IOP_I_PUT_LINK_TAKES_COOKIE
1032                  LINUX_DOP_D_DELETE_TAKES_CONST
1033                  LINUX_DOP_D_REVALIDATE_TAKES_NAMEIDATA
1034                  LINUX_FOP_F_FLUSH_TAKES_FL_OWNER_T
1035                  LINUX_FOP_F_FSYNC_TAKES_DENTRY
1036                  LINUX_FOP_F_FSYNC_TAKES_RANGE
1037                  LINUX_AOP_WRITEBACK_CONTROL
1038                  LINUX_FS_STRUCT_FOP_HAS_SPLICE
1039                  LINUX_KERNEL_POSIX_LOCK_FILE_WAIT_ARG
1040                  LINUX_POSIX_TEST_LOCK_RETURNS_CONFLICT
1041                  LINUX_POSIX_TEST_LOCK_CONFLICT_ARG
1042                  LINUX_KERNEL_SOCK_CREATE
1043                  LINUX_EXPORTS_KEY_TYPE_KEYRING
1044                  LINUX_NEED_RHCONFIG
1045                  LINUX_RECALC_SIGPENDING_ARG_TYPE
1046                  LINUX_EXPORTS_TASKLIST_LOCK
1047                  LINUX_GET_SB_HAS_STRUCT_VFSMOUNT
1048                  LINUX_STATFS_TAKES_DENTRY
1049                  LINUX_REFRIGERATOR
1050                  LINUX_HAVE_TRY_TO_FREEZE
1051                  LINUX_LINUX_KEYRING_SUPPORT
1052                  LINUX_KEY_ALLOC_NEEDS_STRUCT_TASK
1053                  LINUX_KEY_ALLOC_NEEDS_CRED
1054                  LINUX_INIT_WORK_HAS_DATA
1055                  LINUX_REGISTER_SYSCTL_TABLE_NOFLAG
1056                  LINUX_HAVE_DCACHE_LOCK
1057                  LINUX_D_COUNT_IS_INT
1058                  LINUX_IOP_MKDIR_TAKES_UMODE_T
1059                  LINUX_IOP_CREATE_TAKES_UMODE_T
1060                  LINUX_EXPORT_OP_ENCODE_FH_TAKES_INODES
1061                  LINUX_KMAP_ATOMIC_TAKES_NO_KM_TYPE
1062                  LINUX_DENTRY_OPEN_TAKES_PATH
1063                  LINUX_D_ALIAS_IS_HLIST
1064                  LINUX_HLIST_ITERATOR_NO_NODE
1065                  LINUX_IOP_I_CREATE_TAKES_BOOL
1066                  LINUX_DOP_D_REVALIDATE_TAKES_UNSIGNED
1067                  LINUX_IOP_LOOKUP_TAKES_UNSIGNED
1068
1069                  dnl If we are guaranteed that keyrings will work - that is
1070                  dnl  a) The kernel has keyrings enabled
1071                  dnl  b) The code is new enough to give us a key_type_keyring
1072                  dnl then we just disable syscall probing unless we've been
1073                  dnl told otherwise
1074
1075                  AS_IF([test "$enable_linux_syscall_probing" = "maybe"],
1076                    [AS_IF([test "$ac_cv_linux_keyring_support" = "yes" -a "$ac_cv_linux_exports_key_type_keyring" = "yes"],
1077                           [enable_linux_syscall_probing="no"],
1078                           [enable_linux_syscall_probing="yes"])
1079                  ])
1080
1081                  dnl Syscall probing needs a few tests of its own, and just
1082                  dnl won't work if the kernel doesn't export init_mm
1083                  AS_IF([test "$enable_linux_syscall_probing" = "yes"], [
1084                    LINUX_EXPORTS_INIT_MM
1085                    AS_IF([test "$ac_cv_linux_exports_init_mm" = "no"], [
1086                      AC_MSG_ERROR(
1087                        [Can't do syscall probing without exported init_mm])
1088                    ])
1089                    LINUX_EXPORTS_SYS_CHDIR
1090                    LINUX_EXPORTS_SYS_OPEN
1091                    AC_DEFINE(ENABLE_LINUX_SYSCALL_PROBING, 1,
1092                              [define to enable syscall table probes])
1093                  ])
1094
1095                  dnl Packaging and SMP build
1096                  if test "x$with_linux_kernel_packaging" != "xyes" ; then
1097                    LINUX_WHICH_MODULES
1098                  else
1099                    AC_SUBST(MPS,'SP')
1100                  fi
1101
1102                  dnl Syscall probing
1103                  if test "x$ac_cv_linux_config_modversions" = "xno" -o $AFS_SYSKVERS -ge 26; then
1104                    AS_IF([test "$enable_linux_syscall_probing" = "yes"], [
1105                      AC_MSG_WARN([Cannot determine sys_call_table status. assuming it isn't exported])
1106                    ])
1107                    ac_cv_linux_exports_sys_call_table=no
1108                    if test -f "$LINUX_KERNEL_PATH/include/asm/ia32_unistd.h"; then
1109                      ac_cv_linux_exports_ia32_sys_call_table=yes
1110                    fi
1111                  else
1112                    LINUX_EXPORTS_KALLSYMS_ADDRESS
1113                    LINUX_EXPORTS_KALLSYMS_SYMBOL
1114                    LINUX_EXPORTS_SYS_CALL_TABLE
1115                    LINUX_EXPORTS_IA32_SYS_CALL_TABLE
1116                    if test "x$ac_cv_linux_exports_sys_call_table" = "xno"; then
1117                          linux_syscall_method=none
1118                          if test "x$ac_cv_linux_exports_init_mm" = "xyes"; then
1119                             linux_syscall_method=scan
1120                             if test "x$ac_cv_linux_exports_kallsyms_address" = "xyes"; then
1121                                linux_syscall_method=scan_with_kallsyms_address
1122                             fi
1123                          fi
1124                          if test "x$ac_cv_linux_exports_kallsyms_symbol" = "xyes"; then
1125                             linux_syscall_method=kallsyms_symbol
1126                          fi
1127                          if test "x$linux_syscall_method" = "xnone"; then
1128                             AC_MSG_WARN([no available sys_call_table access method -- guessing scan])
1129                             linux_syscall_method=scan
1130                          fi
1131                    fi
1132                  fi
1133                  if test -f "$LINUX_KERNEL_PATH/include/linux/in_systm.h"; then
1134                   AC_DEFINE(HAVE_IN_SYSTM_H, 1, [define if you have in_systm.h header file])
1135                  fi
1136                  if test -f "$LINUX_KERNEL_PATH/include/linux/mm_inline.h"; then
1137                   AC_DEFINE(HAVE_MM_INLINE_H, 1, [define if you have mm_inline.h header file])
1138                  fi
1139                  if test "x$ac_cv_linux_kernel_page_follow_link" = "xyes" -o "x$ac_cv_linux_func_i_put_link_takes_cookie" = "xyes"; then
1140                   AC_DEFINE(USABLE_KERNEL_PAGE_SYMLINK_CACHE, 1, [define if your kernel has a usable symlink cache API])
1141                  else
1142                   AC_MSG_WARN([your kernel does not have a usable symlink cache API])
1143                  fi
1144                 :
1145                 fi
1146 dnl Linux-only, but just enable always.
1147                 AC_DEFINE(AFS_CACHE_BYPASS, 1, [define to activate cache bypassing Unix client])
1148 esac
1149
1150 AC_CACHE_CHECK([if compiler has __sync_add_and_fetch],
1151     [ac_cv_sync_fetch_and_add],
1152     [AC_TRY_LINK(, [int var; return __sync_add_and_fetch(&var, 1);],
1153                     [ac_cv_sync_fetch_and_add=yes],
1154                     [ac_cv_sync_fetch_and_add=no])
1155 ])
1156 AS_IF([test "$ac_cv_sync_fetch_and_add" = "yes"],
1157       [AC_DEFINE(HAVE_SYNC_FETCH_AND_ADD, 1,
1158                 [define if your C compiler has __sync_add_and_fetch])])
1159
1160 AC_CACHE_CHECK([if struct sockaddr has sa_len field],
1161     [ac_cv_sockaddr_len],
1162     [AC_TRY_COMPILE( [#include <sys/types.h>
1163 #include <sys/socket.h>],
1164                      [struct sockaddr *a; a->sa_len=0;],
1165                      [ac_cv_sockaddr_len=yes],
1166                      [ac_cv_sockaddr_len=no])
1167 ])
1168 AS_IF([test "$ac_cv_sockaddr_len" = "yes"],
1169       [AC_DEFINE(STRUCT_SOCKADDR_HAS_SA_LEN, 1,
1170                  [define if you struct sockaddr sa_len])])
1171
1172 if test "x${MKAFS_OSTYPE}" = "xIRIX"; then
1173         echo Skipping library tests because they confuse Irix.
1174 else
1175   AC_SEARCH_LIBS([socket], [socket inet])
1176   AC_SEARCH_LIBS([connect], [nsl])
1177   AC_SEARCH_LIBS([gethostbyname], [dns nsl resolv])
1178
1179   dnl darwin wants it, aix hates it
1180   AC_MSG_CHECKING(for the useability of arpa/nameser_compat.h)
1181   AC_TRY_COMPILE([
1182   #include <stdlib.h>
1183   #include <stdio.h>
1184   #include <sys/types.h>
1185   #include <sys/socket.h>
1186   #include <netinet/in.h>
1187   #include <arpa/inet.h>
1188   #include <arpa/nameser.h>
1189   #include <arpa/nameser_compat.h>
1190   #include <resolv.h>
1191   ], [static int i; i = 0;],
1192   [AC_MSG_RESULT(yes)
1193    AC_DEFINE(HAVE_ARPA_NAMESER_COMPAT_H, 1, [define if arpa/nameser_compat.h exists])],
1194   [AC_MSG_RESULT(no)
1195    ])
1196
1197   openafs_save_libs="$LIBS"
1198   AC_MSG_CHECKING([for res_search])
1199   AC_FUNC_RES_SEARCH
1200
1201   if test "$ac_cv_func_res_search" = no; then
1202       for lib in dns nsl resolv; do
1203         if test "$ac_cv_func_res_search" != yes; then
1204           LIBS="-l$lib $LIBS"
1205           AC_FUNC_RES_SEARCH
1206           LIBS="$openafs_save_libs"
1207         fi
1208       done
1209       if test "$ac_cv_func_res_search" = yes; then
1210         LIB_AFSDB="-l$lib"
1211         AC_DEFINE(HAVE_RES_SEARCH, 1, [])
1212         AC_MSG_RESULT([yes, in lib$lib])
1213       else
1214         AC_MSG_RESULT(no)
1215       fi
1216   else
1217     AC_DEFINE(HAVE_RES_SEARCH, 1, [])
1218     AC_MSG_RESULT(yes)
1219   fi
1220
1221 fi
1222 XLIBS="$LIB_AFSDB $XLIBS"
1223
1224 AC_CHECK_RESOLV_RETRANS
1225
1226 AC_CACHE_CHECK([for setsockopt(, SOL_IP, IP_RECVERR)],
1227     [ac_cv_setsockopt_iprecverr],
1228     [AC_TRY_COMPILE( [
1229 #include <sys/types.h>
1230 #include <sys/socket.h>
1231 #include <netinet/in.h>],
1232 [int on=1;
1233 setsockopt(0, SOL_IP, IP_RECVERR, &on, sizeof(on));],
1234         [ac_cv_setsockopt_iprecverr=yes],
1235         [ac_cv_setsockopt_iprecverr=no])])
1236
1237 AS_IF([test "$ac_cv_setsockopt_iprecverr" = "yes"],
1238       [AC_DEFINE([HAVE_SETSOCKOPT_IP_RECVERR], [1],
1239                  [define if we can receive socket errors via IP_RECVERR])])
1240
1241 PTHREAD_LIBS=error
1242 if test "x$MKAFS_OSTYPE" = OBSD; then
1243         PTHREAD_LIBS="-pthread"
1244 fi
1245 if test "x$MKAFS_OSTYPE" = xDFBSD; then
1246         PTHREAD_LIBS="-pthread"
1247 fi
1248 if test "x$PTHREAD_LIBS" = xerror; then
1249         AC_CHECK_LIB(pthread, pthread_attr_init,
1250                 PTHREAD_LIBS="-lpthread")
1251 fi
1252 if test "x$PTHREAD_LIBS" = xerror; then
1253         AC_CHECK_LIB(pthreads, pthread_attr_init,
1254                 PTHREAD_LIBS="-lpthreads")
1255 fi
1256 if test "x$PTHREAD_LIBS" = xerror; then
1257         AC_CHECK_LIB(c_r, pthread_attr_init,
1258                 PTHREAD_LIBS="-lc_r")
1259 fi
1260 if test "x$PTHREAD_LIBS" = xerror; then
1261         AC_CHECK_FUNC(pthread_attr_init, PTHREAD_LIBS="")
1262 fi
1263 if test "x$PTHREAD_LIBS" = xerror; then
1264         # pthread_attr_init is a macro under HPUX 11.0 and 11.11
1265         AC_CHECK_LIB(pthread, pthread_attr_destroy,
1266                 PTHREAD_LIBS="-lpthread")
1267 fi
1268 if test "x$PTHREAD_LIBS" = xerror; then
1269         AC_MSG_WARN(*** Unable to locate working posix thread library ***)
1270 fi
1271 AC_SUBST(PTHREAD_LIBS)
1272
1273 HOST_CPU="$host_cpu"
1274
1275 if test "x$with_bsd_kernel_headers" != "x"; then
1276         BSD_KERNEL_PATH="$with_bsd_kernel_headers"
1277 else
1278         BSD_KERNEL_PATH="/usr/src/sys"
1279 fi
1280
1281 if test "x$with_bsd_kernel_build" != "x"; then
1282         BSD_KERNEL_BUILD="$with_bsd_kernel_build"
1283 else
1284         case $AFS_SYSNAME in
1285                 *_fbsd_*)
1286                         BSD_KERNEL_BUILD="${BSD_KERNEL_PATH}/${HOST_CPU}/compile/GENERIC"
1287                         ;;
1288                 *_nbsd*)
1289                         BSD_KERNEL_BUILD="${BSD_KERNEL_PATH}/arch/${HOST_CPU}/compile/GENERIC"
1290         esac
1291 fi
1292
1293 # Fast restart
1294 if test "$enable_supergroups" = "yes"; then
1295         AC_DEFINE(SUPERGROUPS, 1, [define if you want to have support for nested pts groups])
1296 fi
1297
1298 if test "$enable_bitmap_later" = "yes"; then
1299         AC_DEFINE(BITMAP_LATER, 1, [define if you want to salvager to check bitmasks later])
1300 fi
1301
1302 if test "$enable_unix_sockets" = "yes"; then
1303         AC_DEFINE(USE_UNIX_SOCKETS, 1, [define if you want to use UNIX sockets for fssync.])
1304         USE_UNIX_SOCKETS="yes"
1305 else
1306         USE_UNIX_SOCKETS="no"
1307 fi
1308 AC_SUBST(USE_UNIX_SOCKETS)
1309
1310 if test "$enable_namei_fileserver" = "yes"; then
1311         AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1312         VFSCK=""
1313 else
1314         if test "$enable_namei_fileserver" = "default"; then
1315                 case $host in
1316                         *-solaris2.10*)
1317                                 AC_MSG_WARN(Some Solaris 10 versions are not safe with the inode fileserver. Forcing namei. Override with --disable-namei-fileserver)
1318                                 AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1319                                 VFSCK=""
1320                                 ;;
1321                         *-solaris2.11*)
1322                                 AC_MSG_WARN(Solaris 11 versions are not safe with the inode fileserver. Forcing namei. Override with --disable-namei-fileserver)
1323                                 AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1324                                 VFSCK=""
1325                                 ;;
1326                         *)
1327                                 VFSCK="vfsck"
1328                                 ;;
1329                 esac
1330         else
1331                 VFSCK="vfsck"
1332         fi
1333 fi
1334
1335 dnl check for tivoli
1336 AC_MSG_CHECKING(for tivoli tsm butc support)
1337 XBSA_CFLAGS=""
1338 if test "$enable_tivoli_tsm" = "yes"; then
1339         XBSADIR1=/usr/tivoli/tsm/client/api/bin/xopen
1340         XBSADIR2=/opt/tivoli/tsm/client/api/bin/xopen
1341         XBSADIR3=/usr/tivoli/tsm/client/api/bin/sample
1342         XBSADIR4=/opt/tivoli/tsm/client/api/bin/sample
1343
1344         if test -r "$XBSADIR3/dsmapifp.h"; then
1345                 XBSA_CFLAGS="-Dxbsa -DNEW_XBSA -I$XBSADIR3"
1346                 XBSA_XLIBS="-ldl"
1347                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1348         elif test -r "$XBSADIR4/dsmapifp.h"; then
1349                 XBSA_CFLAGS="-Dxbsa -DNEW_XBSA -I$XBSADIR4"
1350                 XBSA_XLIBS="-ldl"
1351                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1352         elif test -r "$XBSADIR1/xbsa.h"; then
1353                 XBSA_CFLAGS="-Dxbsa -I$XBSADIR1"
1354                 XBSA_XLIBS=""
1355                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1356         elif test -r "$XBSADIR2/xbsa.h"; then
1357                 XBSA_CFLAGS="-Dxbsa -I$XBSADIR2"
1358                 XBSA_XLIBS=""
1359                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1360         else
1361                 AC_MSG_RESULT([no, missing xbsa.h and dsmapifp.h header files])
1362         fi
1363 else
1364         AC_MSG_RESULT([no])
1365 fi
1366 AC_SUBST(XBSA_CFLAGS)
1367 AC_SUBST(XBSA_XLIBS)
1368
1369 dnl checks for header files.
1370 AC_HEADER_STDC
1371 AC_HEADER_SYS_WAIT
1372 AC_HEADER_DIRENT
1373 AC_CHECK_HEADERS([ \
1374                    arpa/inet.h \
1375                    arpa/nameser.h \
1376                    curses.h\
1377                    direct.h \
1378                    errno.h \
1379                    fcntl.h \
1380                    grp.h \
1381                    math.h \
1382                    mntent.h \
1383                    ncurses.h \
1384                    ncurses/ncurses.h \
1385                    netdb.h \
1386                    netinet/in.h \
1387                    pthread_np.h \
1388                    pwd.h \
1389                    regex.h \
1390                    security/pam_appl.h \
1391                    signal.h \
1392                    stdint.h \
1393                    stdio_ext.h \
1394                    stdlib.h \
1395                    string.h \
1396                    strings.h \
1397                    sys/bitypes.h \
1398                    sys/bswap.h \
1399                    sys/dk.h \
1400                    sys/fcntl.h \
1401                    sys/file.h \
1402                    sys/fs_types.h \
1403                    sys/fstyp.h \
1404                    sys/ioctl.h \
1405                    sys/ipc.h \
1406                    sys/lockf.h \
1407                    sys/map.h \
1408                    sys/mount.h \
1409                    sys/mntent.h \
1410                    sys/mnttab.h \
1411                    sys/pag.h \
1412                    sys/param.h \
1413                    sys/resource.h \
1414                    sys/select.h \
1415                    sys/statfs.h \
1416                    sys/statvfs.h \
1417                    sys/socket.h \
1418                    sys/sysctl.h \
1419                    sys/time.h \
1420                    sys/types.h \
1421                    sys/uio.h \
1422                    sys/un.h \
1423                    sys/vfs.h \
1424                    syslog.h \
1425                    termios.h \
1426                    time.h \
1427                    ucontext.h \
1428                    unistd.h \
1429                    windows.h \
1430                 ])
1431
1432 AC_CHECK_HEADERS([resolv.h], [], [], [AC_INCLUDES_DEFAULT
1433 #ifdef HAVE_NETINET_IN_H
1434 # include <netinet/in.h>
1435 #endif])
1436
1437 AC_CHECK_HEADERS([net/if.h],[],[],[AC_INCLUDES_DEFAULT
1438 #ifdef HAVE_SYS_SOCKET_H
1439 # include <sys/socket.h>
1440 #endif])
1441
1442 AC_CHECK_HEADERS([netinet/if_ether.h],[],[],[AC_INCLUDES_DEFAULT
1443 #ifdef HAVE_SYS_SOCKET_H
1444 # include <sys/socket.h>
1445 #endif
1446 #ifdef HAVE_NETINET_IN_H
1447 # include <netinet/in.h>
1448 #endif
1449 #ifdef HAVE_NET_IF_H
1450 # include <net/if.h>
1451 #endif])
1452
1453 AC_CHECK_HEADERS([security/pam_modules.h],[],[],[AC_INCLUDES_DEFAULT
1454 #ifdef HAVE_SECURITY_PAM_APPL_H
1455 # include <security/pam_appl.h>
1456 #endif])
1457
1458 AC_CHECK_HEADERS(linux/errqueue.h,,,[#include <linux/types.h>])
1459
1460 AC_CHECK_TYPES([fsblkcnt_t],,,[
1461 #include <sys/types.h>
1462 #ifdef HAVE_SYS_BITYPES_H
1463 #include <sys/bitypes.h>
1464 #endif
1465 #ifdef HAVE_SYS_STATFS_H
1466 #include <sys/statfs.h>
1467 #endif
1468 #ifdef HAVE_SYS_STATVFS_H
1469 #include <sys/statvfs.h>
1470 #endif
1471 ])
1472
1473 dnl see what struct stat has for timestamps
1474 AC_CHECK_MEMBERS([struct stat.st_ctimespec, struct stat.st_ctimensec])
1475
1476 dnl check for curses-lib
1477 AS_IF([test "x$enable_gtx" != "xno"],
1478       [save_LIBS=$LIBS
1479       AC_CHECK_LIB( [ncurses], [setupterm],
1480       [LIB_curses=-lncurses],
1481         [AC_CHECK_LIB([Hcurses], [setupterm], [LIB_curses=-lHcurses],
1482           [AC_CHECK_LIB([curses], [setupterm], [LIB_curses=-lcurses])])
1483       ])
1484       LIBS=$save_LIBS
1485       AC_SUBST(LIB_curses)])
1486
1487 OPENAFS_TEST_PACKAGE(libintl,[#include <libintl.h>],[-lintl],,,INTL)
1488
1489 if test "$enable_debug_locks" = yes; then
1490         AC_DEFINE(OPR_DEBUG_LOCKS, 1, [turn on lock debugging in opr])
1491 fi
1492
1493 if test "$ac_cv_header_security_pam_modules_h" = yes -a "$enable_pam" = yes; then
1494         HAVE_PAM="YES"
1495 else
1496         HAVE_PAM="no"
1497 fi
1498 AC_SUBST(HAVE_PAM)
1499
1500 if test "$enable_login" = yes; then
1501         BUILD_LOGIN="yes"
1502 else
1503         BUILD_LOGIN="no"
1504 fi
1505 AC_SUBST(BUILD_LOGIN)
1506
1507 if test "$enable_uss" = yes; then
1508         BUILD_USS="yes"
1509 else
1510         BUILD_USS="no"
1511 fi
1512 AC_SUBST(BUILD_USS)
1513
1514 if test "$enable_kauth" = yes; then
1515         INSTALL_KAUTH="yes"
1516 else
1517         INSTALL_KAUTH="no"
1518 fi
1519 AC_SUBST(INSTALL_KAUTH)
1520
1521 AC_CHECK_FUNCS([ \
1522         arc4random \
1523         fcntl \
1524         fseeko64 \
1525         ftello64 \
1526         getcwd \
1527         getegid \
1528         geteuid \
1529         getgid \
1530         getuid \
1531         getrlimit \
1532         issetugid \
1533         mkstemp \
1534         poll \
1535         pread \
1536         preadv \
1537         preadv64 \
1538         pwrite \
1539         pwritev \
1540         pwritev64 \
1541         regcomp \
1542         regerror \
1543         regexec \
1544         setitimer \
1545         setvbuf \
1546         sigaction \
1547         strcasestr \
1548         strerror \
1549         sysconf \
1550         sysctl \
1551         tdestroy \
1552         timegm \
1553 ])
1554
1555 OPENAFS_ROKEN()
1556 OPENAFS_HCRYPTO()
1557 OPENAFS_C_ATTRIBUTE()
1558
1559 dnl Functions that Heimdal's libroken provides, but that we
1560 dnl haven't found a need for yet, and so haven't imported
1561 AC_CHECK_FUNCS([ \
1562         chown \
1563         fchown \
1564         gethostname \
1565         lstat \
1566         inet_aton \
1567         inet_ntop \
1568         inet_pton \
1569         putenv \
1570         readv \
1571         setenv \
1572         strdup \
1573         strftime \
1574         strndup \
1575         strsep \
1576         unsetenv \
1577 ])
1578
1579 dnl Functions that are in objects that we always build from libroken
1580 AC_CHECK_FUNCS([ \
1581         asprintf \
1582         asnprintf \
1583         vasprintf \
1584         vasnprintf \
1585         vsnprintf \
1586         snprintf \
1587 ])
1588
1589 dnl Functions that we're going to try and get from libroken
1590 AC_REPLACE_FUNCS([ \
1591         daemon \
1592         ecalloc \
1593         emalloc \
1594         erealloc \
1595         err \
1596         errx \
1597         flock \
1598         freeaddrinfo \
1599         gai_strerror \
1600         getaddrinfo \
1601         getdtablesize \
1602         getnameinfo \
1603         getopt \
1604         getprogname \
1605         gettimeofday \
1606         localtime_r \
1607         mkstemp \
1608         setenv \
1609         setprogname \
1610         strcasecmp \
1611         strlcat \
1612         strnlen \
1613         strlcpy \
1614         strsep \
1615         tdelete \
1616         tfind \
1617         tsearch \
1618         twalk \
1619         unsetenv \
1620         verr \
1621         verrx \
1622         vsyslog \
1623         vwarn \
1624         vwarnx \
1625         warn \
1626         warnx \
1627 ])
1628
1629 dnl Headers that we're going to try and get from libroken
1630 AC_CHECK_HEADERS([ \
1631         err.h \
1632         search.h \
1633 ])
1634
1635 AC_CHECK_DECLS([h_errno], [], [], [
1636 #include <sys/types.h>
1637 #ifdef HAVE_NETDB_H
1638 #include <netdb.h>
1639 #endif
1640 ])
1641
1642 AC_HEADER_TIME
1643
1644 ROKEN_HEADERS=
1645 AS_IF([test "$ac_cv_header_err_h" != "yes" ],
1646       [ROKEN_HEADERS="$ROKEN_HEADERS \$(TOP_INCDIR)/err.h"],
1647       [])
1648 AC_SUBST(ROKEN_HEADERS)
1649
1650 dnl Stuff that's harder ...
1651 AC_MSG_CHECKING([for bswap16])
1652 AC_LINK_IFELSE([AC_LANG_PROGRAM([
1653 #ifdef HAVE_SYS_TYPES_H
1654 #include <sys/types.h>
1655 #endif
1656 #ifdef HAVE_SYS_BSWAP_H
1657 #include <sys/bswap.h>
1658 #endif
1659 ],
1660 [short a, b; b = bswap16(a); ])],
1661 [AC_MSG_RESULT(yes)
1662  AC_DEFINE(HAVE_BSWAP16, 1, [Define to 1 if you have the bswap16 function])
1663 ],
1664 [AC_MSG_RESULT(no)])
1665
1666 AC_MSG_CHECKING([for bswap32])
1667 AC_LINK_IFELSE([AC_LANG_PROGRAM([#ifdef HAVE_SYS_TYPES_H
1668 #include <sys/types.h>
1669 #endif
1670 #ifdef HAVE_SYS_BSWAP_H
1671 #include <sys/bswap.h>
1672 #endif
1673 ],
1674 [int a, b; b = bswap32(a); ])],
1675 [AC_MSG_RESULT(yes)
1676  AC_DEFINE(HAVE_BSWAP32, 1, [Define to 1 if you have the bswap32 function])
1677 ],
1678 [AC_MSG_RESULT(no)])
1679
1680 case $AFS_SYSNAME in
1681 *hp_ux* | *hpux*)
1682    AC_MSG_WARN([Some versions of HP-UX have a buggy positional I/O implementation. Forcing no positional I/O.])
1683    ;;
1684 *)
1685    AC_MSG_CHECKING([for positional I/O])
1686    if test "$ac_cv_func_pread" = "yes" && \
1687            test "$ac_cv_func_pwrite" = "yes"; then
1688       AC_DEFINE(HAVE_PIO, 1, [define if you have pread() and pwrite()])
1689       AC_MSG_RESULT(yes)
1690    else
1691      AC_MSG_RESULT(no)
1692    fi
1693    AC_MSG_CHECKING([for vectored positional I/O])
1694    AS_IF([test "$ac_cv_func_preadv" = "yes" -a \
1695                "$ac_cv_func_pwritev" = "yes" -a \
1696                "$ac_cv_func_preadv64" = "yes" -a \
1697                "$ac_cv_func_pwritev64" = "yes"],
1698          [AC_DEFINE(HAVE_PIOV, 1, [define if you have preadv() and pwritev()])
1699           AC_MSG_RESULT(yes)],
1700          [AC_MSG_RESULT(no)])
1701    ;;
1702 esac
1703
1704 AC_MSG_CHECKING([for POSIX regex library])
1705 if test "$ac_cv_header_regex_h" = "yes" && \
1706         test "$ac_cv_func_regcomp" = "yes" && \
1707         test "$ac_cv_func_regexec" = "yes" && \
1708         test "$ac_cv_func_regerror" = "yes"; then
1709     AC_DEFINE(HAVE_POSIX_REGEX, 1, [define if you have POSIX regex library])
1710     AC_MSG_RESULT(yes)
1711 else
1712     AC_MSG_RESULT(no)
1713 fi
1714
1715 dnl Look for "non-portable" pthreads functions.
1716 save_LIBS="$LIBS"
1717 LIBS="$LIBS $PTHREAD_LIBS"
1718 AC_CHECK_FUNCS([ \
1719         pthread_set_name_np \
1720         pthread_setname_np \
1721 ])
1722
1723 dnl Sadly, there are three different versions of pthread_setname_np.
1724 dnl Try to cater for all of them.
1725 if test "$ac_cv_func_pthread_setname_np" = "yes" ; then
1726     AC_MSG_CHECKING([for signature of pthread_setname_np])
1727     AC_TRY_COMPILE([
1728 #include <pthread.h>
1729 #ifdef HAVE_PTHREAD_NP_H
1730 #include <pthread_np.h>
1731 #endif
1732 ], [pthread_setname_np(pthread_self(), "test", (void *)0)], [
1733         AC_MSG_RESULT([three arguments])
1734         pthread_setname_np_args=3], [
1735         AC_TRY_COMPILE([
1736 #include <pthread.h>
1737 #ifdef HAVE_PTHREAD_NP_H
1738 #include <pthread_np.h>
1739 #endif
1740 ], [pthread_setname_np(pthread_self(), "test")], [
1741             AC_MSG_RESULT([two arguments])
1742             pthread_setname_np_args=2], [
1743             AC_TRY_COMPILE([
1744 #include <pthread.h>
1745 #ifdef HAVE_PTHREAD_NP_H
1746 #include <pthread_np.h>
1747 #endif
1748 ], [pthread_setname_np("test")], [
1749                 AC_MSG_RESULT([one argument])
1750                 pthread_setname_np_args=1], [pthread_setname_np_args=0])
1751 ])
1752 ])
1753 AC_DEFINE_UNQUOTED([PTHREAD_SETNAME_NP_ARGS], $pthread_setname_np_args, [Number of arguments required by pthread_setname_np() function])
1754 fi
1755 LIBS="$save_LIBS"
1756
1757 openafs_cv_saved_CFLAGS="$CFLAGS"
1758 CFLAGS="$CFLAGS $XCFLAGS_NOCHECKING"
1759
1760 AC_TYPE_SIGNAL
1761 OPENAFS_RETSIGTYPE
1762 AC_CHECK_SIZEOF(void *)
1763 AC_CHECK_SIZEOF(unsigned long long)
1764 AC_CHECK_SIZEOF(unsigned long)
1765 AC_CHECK_SIZEOF(unsigned int)
1766 AC_TYPE_INTPTR_T
1767 AC_TYPE_UINTPTR_T
1768 AC_TYPE_SSIZE_T
1769 AC_CHECK_TYPE([sig_atomic_t],[],
1770     [AC_DEFINE([sig_atomic_t], [int],
1771         [Define to int if <signal.h> does not define.])],
1772 [#include <sys/types.h>
1773 #include <signal.h>])
1774 AC_CHECK_TYPE([socklen_t],[],
1775     [AC_DEFINE([socklen_t], [int],
1776         [Define to int if <sys/socket.h> does not define.])],
1777 [#include <sys/types.h>
1778 #include <sys/socket.h>])
1779 AC_CHECK_TYPES(off64_t)
1780 AC_CHECK_TYPES([ssize_t], [], [], [#include <unistd.h>])
1781 AC_CHECK_TYPES([struct winsize], [], [], [
1782 #ifdef HAVE_TERMIOS_H
1783 # include <termios.h>
1784 #else
1785 # include <sys/termios.h>
1786 #endif
1787 #include <sys/ioctl.h>])
1788 AC_CHECK_TYPES([sa_family_t, socklen_t, struct sockaddr,
1789                 struct sockaddr_storage],
1790                [], [], [
1791 #include <sys/types.h>
1792 #include <sys/socket.h>
1793 ])
1794 AC_CHECK_TYPES([sa_family_t], [], [], [
1795 #include <sys/types.h>
1796 #include <sys/socket.h>
1797 ])
1798 AC_CHECK_TYPES([struct addrinfo], [], [], [
1799 #include <sys/types.h>
1800 #ifdef HAVE_NETDB_H
1801 #include <netdb.h>
1802 #endif
1803 ])
1804 AC_CHECK_TYPES([long long], [], [], [])
1805
1806 AC_SIZEOF_TYPE(long)
1807
1808 CFLAGS="$openafs_cv_saved_CFLAGS"
1809
1810 RRA_HEADER_PAM_CONST
1811
1812
1813 dnl Directory PATH handling
1814 if test "x$enable_transarc_paths" = "xyes"  ; then
1815     afsconfdir=${afsconfdir=/usr/afs/etc}
1816     viceetcdir=${viceetcdir=/usr/vice/etc}
1817     afskerneldir=${afskerneldir=${viceetcdir}}
1818     afssrvbindir=${afssrvbindir=/usr/afs/bin}
1819     afssrvsbindir=${afssrvsbindir=/usr/afs/bin}
1820     afssrvlibexecdir=${afssrvlibexecdir=/usr/afs/bin}
1821     afsdbdir=${afsdbdir=/usr/afs/db}
1822     afslogsdir=${afslogsdir=/usr/afs/logs}
1823     afslocaldir=${afslocaldir=/usr/afs/local}
1824     afsbackupdir=${afsbackupdir=/usr/afs/backup}
1825     afsbosconfigdir=${afsbosconfigdir=/usr/afs/local}
1826     afsdatadir=${afsdatadir=/usr/vice/etc}
1827 else
1828     afsconfdir=${afsconfdir='${sysconfdir}/openafs/server'}
1829     viceetcdir=${viceetcdir='${sysconfdir}/openafs'}
1830     afskerneldir=${afskerneldir='${libdir}/openafs'}
1831     afssrvbindir=${afssrvbindir='${bindir}'}
1832     afssrvsbindir=${afssrvsbindir='${sbindir}'}
1833     afssrvlibexecdir=${afssrvlibexecdir='${libexecdir}/openafs'}
1834     afsdbdir=${afsdbdir='${localstatedir}/openafs/db'}
1835     afslogsdir=${afslogsdir='${localstatedir}/openafs/logs'}
1836     afslocaldir=${afslocaldir='${localstatedir}/openafs'}
1837     afsbackupdir=${afsbackupdir='${localstatedir}/openafs/backup'}
1838     afsbosconfigdir=${afsbosconfigdir='${sysconfdir}/openafs'}
1839     afsdatadir=${afsdatadir='${datadir}/openafs'}
1840 fi
1841 AC_SUBST(afsconfdir)
1842 AC_SUBST(viceetcdir)
1843 AC_SUBST(afskerneldir)
1844 AC_SUBST(afssrvbindir)
1845 AC_SUBST(afssrvsbindir)
1846 AC_SUBST(afssrvlibexecdir)
1847 AC_SUBST(afsdbdir)
1848 AC_SUBST(afslogsdir)
1849 AC_SUBST(afslocaldir)
1850 AC_SUBST(afsbackupdir)
1851 AC_SUBST(afsbosconfigdir)
1852 AC_SUBST(afsdatadir)
1853
1854 if test "x$enable_kernel_module" = "xyes"; then
1855 ENABLE_KERNEL_MODULE=libafs
1856 fi
1857
1858 if test "x$enable_pthreaded_ubik" = "xyes"; then
1859 ENABLE_PTHREADED_UBIK=yes
1860 fi
1861
1862 AC_SUBST(VFSCK)
1863 AC_SUBST(AFS_SYSNAME)
1864 AC_SUBST(AFS_PARAM_COMMON)
1865 AC_SUBST(ENABLE_KERNEL_MODULE)
1866 AC_SUBST(ENABLE_PTHREADED_UBIK)
1867 AC_SUBST(LIB_AFSDB)
1868 AC_SUBST(LINUX_KERNEL_PATH)
1869 AC_SUBST(LINUX_KERNEL_BUILD)
1870 AC_SUBST(HOST_CPU)
1871 AC_SUBST(BSD_KERNEL_PATH)
1872 AC_SUBST(BSD_KERNEL_BUILD)
1873 AC_SUBST(LINUX_VERSION)
1874 AC_SUBST(MKAFS_OSTYPE)
1875 AC_SUBST(TOP_OBJDIR)
1876 AC_SUBST(TOP_SRCDIR)
1877 AC_SUBST(TOP_INCDIR)
1878 AC_SUBST(TOP_LIBDIR)
1879 AC_SUBST(DEST)
1880 AC_SUBST(DARWIN_INFOFILE)
1881 AC_SUBST(IRIX_BUILD_IP35)
1882 AC_SUBST(HTML_XSL)
1883 AC_SUBST(XSLTPROC)
1884 AC_SUBST(DOCBOOK2PDF)
1885 AC_SUBST(DOCBOOK_STYLESHEETS)
1886
1887 OPENAFS_FUSE
1888 OPENAFS_SWIG
1889
1890 TOP_SRCDIR="${srcdir}/src"
1891 dnl
1892 dnl If we're using ./configure, need a more reasonable TOP_SRCDIR, since relative links don't work everywhere
1893 dnl
1894 case $TOP_SRCDIR in
1895         /*)
1896                 ;;
1897         *)
1898                 TOP_SRCDIR=`cd $TOP_SRCDIR; pwd`
1899                 ;;
1900 esac
1901
1902 TOP_OBJDIR="${SRCDIR_PARENT}"
1903 TOP_INCDIR="${SRCDIR_PARENT}/include"
1904 TOP_LIBDIR="${SRCDIR_PARENT}/lib"
1905 if test "${DEST}x" = "x"; then
1906         DEST="${SRCDIR_PARENT}/${AFS_SYSNAME}/dest"
1907 fi
1908
1909 if test "x$with_crosstools_dir" != "x"; then
1910         if test -f "$with_crosstools_dir/rxgen" -a -f "$with_crosstools_dir/compile_et" -a -f "$with_crosstools_dir/config"; then
1911                 COMPILE_ET_PATH=$with_crosstools_dir/compile_et
1912                 CONFIGTOOL_PATH=$with_crosstools_dir/config
1913                 RXGEN_PATH=$with_crosstools_dir/rxgen
1914         else
1915                 AC_MSG_ERROR(Tools not found in $with_crosstools_dir)
1916                 exit 1
1917         fi
1918 else
1919         COMPILE_ET_PATH="${SRCDIR_PARENT}/src/comerr/compile_et"
1920         CONFIGTOOL_PATH="${SRCDIR_PARENT}/src/config/config"
1921         RXGEN_PATH="${SRCDIR_PARENT}/src/rxgen/rxgen"
1922 fi
1923 AC_SUBST(COMPILE_ET_PATH)
1924 AC_SUBST(CONFIGTOOL_PATH)
1925 AC_SUBST(RXGEN_PATH)
1926
1927 HELPER_SPLINT="${TOP_SRCDIR}/helper-splint.sh"
1928 HELPER_SPLINTCFG="${TOP_SRCDIR}/splint.cfg"
1929 AC_SUBST(HELPER_SPLINT)
1930 AC_SUBST(HELPER_SPLINTCFG)
1931
1932 mkdir -p ${TOP_OBJDIR}/src/JAVA/libjafs
1933
1934 dnl Check to see if crypt lives in a different library
1935 AC_CHECK_LIB(crypt, crypt, LIB_crypt="-lcrypt")
1936 AC_SUBST(LIB_crypt)
1937
1938 dnl Check to see if the compiler support labels in structs
1939 AC_MSG_CHECKING(for label support in structs)
1940 AC_TRY_COMPILE([], [
1941 extern void osi_UFSOpen(void);
1942 struct labeltest {
1943    void (*open) (void);
1944 };
1945 struct labeltest struct_labeltest = {
1946    .open       = osi_UFSOpen,
1947 }
1948 ],
1949 [AC_MSG_RESULT(yes)
1950  AC_DEFINE(HAVE_STRUCT_LABEL_SUPPORT, 1, [Define to 1 if your compiler supports labels in structs.])
1951 ],
1952 [AC_MSG_RESULT(no)
1953 ])
1954
1955 AC_MSG_CHECKING([checking for dirfd])
1956 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
1957 #ifdef HAVE_DIRENT_H
1958 #include <dirent.h>
1959 #endif
1960 ]],
1961         [[DIR *d = 0; dirfd(d);]])],
1962         [ac_rk_have_dirfd=yes], [ac_rk_have_dirfd=no])
1963 if test "$ac_rk_have_dirfd" = "yes" ; then
1964         AC_DEFINE_UNQUOTED(HAVE_DIRFD, 1, [have a dirfd function/macro])
1965 fi
1966 AC_MSG_RESULT($ac_rk_have_dirfd)
1967
1968 OPENAFS_HAVE_STRUCT_FIELD(DIR, dd_fd, [#include <sys/types.h>
1969 #ifdef HAVE_DIRENT_H
1970 #include <dirent.h>
1971 #endif])
1972
1973 OPENAFS_HAVE_STRUCT_FIELD(struct rusage, ru_idrss,
1974 [#ifdef HAVE_SYS_RESOURCE_H
1975 #include <sys/resource.h>
1976 #endif])
1977
1978 dnl Check for UUID library
1979 AC_CHECK_HEADERS([uuid/uuid.h])
1980 AC_CHECK_LIB(uuid, uuid_generate, LIBS_uuid="-luuid")
1981 AC_CHECK_FUNCS([uuid_generate])
1982 ])
1983
1984