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