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([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     ,
  98     [enable_bitmap_later="no"])
  99 AC_ARG_ENABLE([unix-sockets],
 100     [AS_HELP_STRING([--disable-unix-sockets],
 101         [disable use of unix domain sockets for fssync (defaults to enabled)])],
 102     ,
 103     [enable_unix_sockets="yes"])
 104 AC_ARG_ENABLE([tivoli-tsm],
 105     [AS_HELP_STRING([--enable-tivoli-tsm],
 106         [enable use of the Tivoli TSM API libraries for butc support])],
 107     ,
 108     [enable_tivoli_tsm="no"])
 109 AC_ARG_ENABLE([pthreaded-ubik],
 110     [AS_HELP_STRING([--enable-pthreaded-ubik],
 111         [enable installation of pthreaded ubik applications (defaults to
 112          disabled)])],
 113     ,
 114     [enable_pthreaded_ubik="no"])
 115
 116 dnl Kernel module build options.
 117 AC_ARG_WITH([linux-kernel-headers],
 118     [AS_HELP_STRING([--with-linux-kernel-headers=path],
 119         [use the kernel headers found at path (optional, defaults to
 120          /usr/src/linux-2.4, then /usr/src/linux)])])
 121 AC_ARG_WITH([linux-kernel-build],
 122     [AS_HELP_STRING([--with-linux-kernel-build=path],
 123         [use the kernel build found at path(optional, defaults to
 124         /usr/src/linux-2.4, then /usr/src/linux)])])
 125 AC_ARG_WITH([bsd-kernel-headers],
 126     [AS_HELP_STRING([--with-bsd-kernel-headers=path],
 127         [use the kernel headers found at path (optional, defaults to
 128          /usr/src/sys)])])
 129 AC_ARG_WITH([bsd-kernel-build],
 130     [AS_HELP_STRING([--with-bsd-kernel-build=path],
 131         [use the kernel build found at path (optional, defaults to
 132          KSRC/i386/compile/GENERIC)])])
 133 AC_ARG_WITH([linux-kernel-packaging],
 134     [AS_HELP_STRING([--with-linux-kernel-packaging],
 135         [use standard naming conventions to aid Linux kernel build packaging
 136          (disables MPS, sets the kernel module name to openafs.ko, and
 137          installs kernel modules into the standard Linux location)])],
 138     [AC_SUBST(LINUX_KERNEL_PACKAGING, "yes")
 139      AC_SUBST(LINUX_LIBAFS_NAME, "openafs")],
 140     [AC_SUBST(LINUX_LIBAFS_NAME, "libafs")])
 141 AC_ARG_ENABLE([kernel-module],
 142     [AS_HELP_STRING([--disable-kernel-module],
 143         [disable compilation of the kernel module (defaults to enabled)])],
 144     ,
 145     [enable_kernel_module="yes"])
 146 AC_ARG_ENABLE([redhat-buildsys],
 147     [AS_HELP_STRING([--enable-redhat-buildsys],
 148         [enable compilation of the redhat build system kernel (defaults to
 149          disabled)])],
 150     ,
 151     [enable_redhat_buildsys="no"])
 152
 153 dnl Installation locations.
 154 AC_ARG_ENABLE([transarc-paths],
 155     [AS_HELP_STRING([--enable-transarc-paths],
 156         [use Transarc style paths like /usr/afs and /usr/vice])],
 157     ,
 158     [enable_transarc_paths="no"])
 159
 160 dnl Optimization and debugging flags.
 161 AC_ARG_ENABLE([strip-binaries],
 162     [AS_HELP_STRING([--disable-strip-binaries],
 163         [disable stripping of symbol information from binaries (defaults to
 164          enabled)])],
 165     ,
 166     [enable_strip_binaries="maybe"])
 167 AC_ARG_ENABLE([debug],
 168     [AS_HELP_STRING([--enable-debug],
 169         [enable compilation of the user space code with debugging information
 170          (defaults to disabled)])],
 171     ,
 172     [enable_debug="no"])
 173 AC_ARG_ENABLE([optimize],
 174     [AS_HELP_STRING([--disable-optimize],
 175         [disable optimization for compilation of the user space code (defaults
 176          to enabled)])],
 177     ,
 178     [enable_optimize="yes"])
 179 AC_ARG_ENABLE([warnings],
 180     [AS_HELP_STRING([--enable-warnings],
 181         [enable compilation warnings when building with gcc (defaults to
 182          disabled)])],
 183     ,
 184     [enable_warnings="no"])
 185 AC_ARG_ENABLE([checking],
 186     [AS_HELP_STRING([--enable-checking],
 187         [turn compilation warnings into errors when building with gcc (defaults
 188          to disabled)])],
 189     [enable_checking="$enableval"],
 190     [enable_checking="no"])
 191 AC_ARG_ENABLE([debug-kernel],
 192     [AS_HELP_STRING([--enable-debug-kernel],
 193         [enable compilation of the kernel module with debugging information
 194          (defaults to disabled)])],
 195     ,
 196     [enable_debug_kernel="no"])
 197 AC_ARG_ENABLE([optimize-kernel],
 198     [AS_HELP_STRING([--disable-optimize-kernel],
 199         [disable compilation of the kernel module with optimization (defaults
 200          based on platform)])],
 201     ,
 202     [enable_optimize_kernel="yes"])
 203 AC_ARG_ENABLE([debug-lwp],
 204     [AS_HELP_STRING([--enable-debug-lwp],
 205         [enable compilation of the LWP code with debugging information
 206          (defaults to disabled)])],
 207     ,
 208     [enable_debug_lwp="no"])
 209 AC_ARG_ENABLE([optimize-lwp],
 210     [AS_HELP_STRING([--disable-optimize-lwp],
 211         [disable optimization for compilation of the LWP code (defaults to
 212          enabled)])],
 213     ,
 214     [enable_optimize_lwp="yes"])
 215 AC_ARG_ENABLE([debug-pam],
 216     [AS_HELP_STRING([--enable-debug-pam],
 217         [enable compilation of the PAM code with debugging information
 218          (defaults to disabled)])],
 219     ,
 220     [enable_debug_pam="no"])
 221 AC_ARG_ENABLE([optimize-pam],
 222     [AS_HELP_STRING([--disable-optimize-pam],
 223         [disable optimization for compilation of the PAM code (defaults to
 224          enabled)])],
 225     ,
 226     [enable_optimize_pam="yes"])
 227 AC_ARG_ENABLE([linux-syscall-probing],
 228     [AS_HELP_STRING([--enable-linux-syscall-probing],
 229         [enable Linux syscall probing (defaults to autodetect)])],
 230     ,
 231     [enable_linux_syscall_probing="maybe"])
 232
 233 AC_ARG_WITH([xslt-processor],
 234         AS_HELP_STRING([--with-xslt-processor=ARG],
 235         [which XSLT processor to use (possible choices are: libxslt, saxon, xalan-j, xsltproc)]),
 236         [XSLTPROC="$withval"],
 237         AC_CHECK_PROGS([XSLTPROC], [libxslt saxon xalan-j xsltproc], [echo]))
 238
 239 AC_ARG_WITH([html-xsl],
 240         AS_HELP_STRING([--with-html-xsl],
 241         [build HTML documentation using this stylesheet (default is html/chunk.dsl; specify either html/chunk.xsl or html/docbook.xsl)]),
 242         [HTML_XSL="$withval"],
 243         [HTML_XSL="html/chunk.xsl"])
 244
 245 AC_ARG_WITH([docbook2pdf],
 246         AS_HELP_STRING([--with-docbook2pdf=ARG],
 247         [which Docbook to PDF utility to use (possible choices are: fop, dblatex, docbook2pdf)]),
 248         [DOCBOOK2PDF="$withval"],
 249         AC_CHECK_PROGS([DOCBOOK2PDF], [fop dblatex docbook2pdf], [echo]))
 250
 251 AC_ARG_WITH([docbook-stylesheets],
 252         AS_HELP_STRING([--with-docbook-stylesheets=ARG],
 253         [location of DocBook stylesheets (default is to search a set of likely paths)]),
 254         [DOCBOOK_STYLESHEETS="$withval"],
 255         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], [$HTML_XSL])
 256         if test "x$DOCBOOK_STYLESHEETS" = "x"; then
 257                 AC_WARN([Docbook stylesheets not found; some documentation can't be built])
 258         fi)
 259
 260 enable_login="no"
 261
 262 dnl Check whether kindlegen exists.  If not, we'll suppress that part of the
 263 dnl documentation build.
 264 AC_CHECK_PROGS([KINDLEGEN], [kindlegen])
 265
 266 dnl weird ass systems
 267 dnl AC_AIX
 268 AC_ISC_POSIX
 269 dnl AC_MINIX
 270
 271 dnl Various compiler setup.
 272 AC_TYPE_PID_T
 273 AC_TYPE_SIZE_T
 274
 275 dnl Checks for programs.
 276 AC_PROG_INSTALL
 277 AC_PROG_LN_S
 278 AC_PROG_RANLIB
 279 AC_PROG_YACC
 280 AM_PROG_LEX
 281 dnl if we are flex, be lex-compatible
 282 OPENAFS_LEX_IS_FLEX([AC_SUBST([LEX], ["$LEX -l"])])
 283
 284 OPENAFS_FORCE_ABS_INSTALL
 285 OPENAFS_CHECK_BIGENDIAN
 286 OPENAFS_PRINTF_TAKES_Z_LEN
 287
 288 AC_MSG_CHECKING(your OS)
 289 system=$host
 290 case $system in
 291         *-linux*)
 292
 293                 MKAFS_OSTYPE=LINUX
 294                 if test "x$enable_redhat_buildsys" = "xyes"; then
 295                  AC_DEFINE(ENABLE_REDHAT_BUILDSYS, 1, [define if you have redhat buildsystem])
 296                 fi
 297                 if test "x$enable_kernel_module" = "xyes"; then
 298                  if test "x$with_linux_kernel_headers" != "x"; then
 299                    LINUX_KERNEL_PATH="$with_linux_kernel_headers"
 300                  else
 301                    LINUX_KERNEL_PATH="/lib/modules/`uname -r`/source"
 302                    if test ! -f "$LINUX_KERNEL_PATH/include/linux/version.h"; then
 303                      LINUX_KERNEL_PATH="/lib/modules/`uname -r`/build"
 304                    fi
 305                    if test ! -f "$LINUX_KERNEL_PATH/include/linux/version.h"; then
 306                      LINUX_KERNEL_PATH="/usr/src/linux-2.4"
 307                    fi
 308                    if test ! -f "$LINUX_KERNEL_PATH/include/linux/version.h"; then
 309                      LINUX_KERNEL_PATH="/usr/src/linux"
 310                    fi
 311                  fi
 312                  if test "x$with_linux_kernel_build" != "x"; then
 313                          LINUX_KERNEL_BUILD="$with_linux_kernel_build"
 314                  else
 315                    LINUX_KERNEL_BUILD=$LINUX_KERNEL_PATH
 316                  fi
 317                  if test -f "$LINUX_KERNEL_BUILD/include/generated/utsrelease.h"; then
 318                    linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/generated/utsrelease.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
 319                    LINUX_VERSION="$linux_kvers"
 320                  else
 321                    if test -f "$LINUX_KERNEL_BUILD/include/linux/utsrelease.h"; then
 322                      linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/linux/utsrelease.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
 323                      LINUX_VERSION="$linux_kvers"
 324                    else
 325                      if test -f "$LINUX_KERNEL_BUILD/include/linux/version.h"; then
 326                        linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/linux/version.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
 327                        if test "x$linux_kvers" = "x"; then
 328                          if test -f "$LINUX_KERNEL_BUILD/include/linux/version-up.h"; then
 329                            linux_kvers=`fgrep UTS_RELEASE $LINUX_KERNEL_BUILD/include/linux/version-up.h |awk 'BEGIN { FS="\"" } { print $[]2 }'|tail -n 1`
 330                            if test "x$linux_kvers" = "x"; then
 331                              AC_MSG_ERROR(Linux headers lack version definition [2])
 332                              exit 1
 333                            else
 334                              LINUX_VERSION="$linux_kvers"
 335                            fi
 336                          else
 337                            AC_MSG_ERROR(Linux headers lack version definition)
 338                            exit 1
 339                          fi
 340                        else
 341                          LINUX_VERSION="$linux_kvers"
 342                        fi
 343                      else
 344                        enable_kernel_module="no"
 345                      fi
 346                    fi
 347                  fi
 348                  if test ! -f "$LINUX_KERNEL_BUILD/include/generated/autoconf.h" &&
 349                     test ! -f "$LINUX_KERNEL_BUILD/include/linux/autoconf.h"; then
 350                      enable_kernel_module="no"
 351                  fi
 352                  if test "x$enable_kernel_module" = "xno"; then
 353                   if test "x$with_linux_kernel_headers" != "x"; then
 354                    AC_MSG_ERROR(No usable linux headers found at $LINUX_KERNEL_PATH)
 355                    exit 1
 356                   else
 357                    AC_MSG_WARN(No usable linux headers found at $LINUX_KERNEL_PATH so disabling kernel module)
 358                   fi
 359                  fi
 360                  dnl do we need to determine SUBARCH from autoconf.h
 361                  SUBARCH=default
 362                 fi
 363                 AC_MSG_RESULT(linux)
 364                 if test "x$enable_kernel_module" = "xyes"; then
 365                  case "$LINUX_VERSION" in
 366                   2.2.*) AFS_SYSKVERS=22 ;;
 367                   2.4.*) AFS_SYSKVERS=24 ;;
 368                   2.6.* | 3.*) AFS_SYSKVERS=26 ;;
 369                   *) AC_MSG_ERROR(Couldn't guess your Linux version [2]) ;;
 370                  esac
 371                 fi
 372                 ;;
 373         *-solaris*)
 374                 MKAFS_OSTYPE=SOLARIS
 375                 AC_MSG_RESULT(sun4)
 376                 AC_PATH_PROG(SOLARISCC, [cc], ,
 377                     [/opt/SUNWspro/bin:/opt/SunStudioExpress/bin])
 378                 SOLARIS_UFSVFS_HAS_DQRWLOCK
 379                 SOLARIS_FS_HAS_FS_ROLLED
 380                 SOLARIS_SOLOOKUP_TAKES_SOCKPARAMS
 381                 ;;
 382         *-sunos*)
 383                 MKAFS_OSTYPE=SUNOS
 384                 enable_kernel_module=no
 385                 AC_MSG_RESULT(sun4)
 386                 ;;
 387         *-hpux*)
 388                 MKAFS_OSTYPE=HPUX
 389                 AC_MSG_RESULT(hp_ux)
 390                 if test -f "/usr/old/usr/include/ndir.h"; then
 391                  AC_DEFINE(HAVE_USR_OLD_USR_INCLUDE_NDIR_H, 1, [define if you have old ndir.h])
 392                 fi
 393                 ;;
 394         *-irix*)
 395                 if test -d /usr/include/sys/SN/SN1; then
 396                  IRIX_BUILD_IP35="IP35"
 397                 fi
 398                 MKAFS_OSTYPE=IRIX
 399                 AC_MSG_RESULT(sgi)
 400                 ;;
 401         *-aix*)
 402                 MKAFS_OSTYPE=AIX
 403                 AC_MSG_RESULT(rs_aix)
 404                 ;;
 405         arm-*-darwin*)
 406                 MKAFS_OSTYPE=DARWIN
 407                 AC_MSG_RESULT(arm_darwin)
 408                 ;;
 409         powerpc-*-darwin*)
 410                 MKAFS_OSTYPE=DARWIN
 411                 AC_MSG_RESULT(ppc_darwin)
 412                 ;;
 413         i386-*-darwin*)
 414                 MKAFS_OSTYPE=DARWIN
 415                 AC_MSG_RESULT(x86_darwin)
 416                 ;;
 417         x86_64-*-darwin*)
 418                 MKAFS_OSTYPE=DARWIN
 419                 AC_MSG_RESULT(x86_darwin)
 420                 ;;
 421         i386-*-freebsd*)
 422                 MKAFS_OSTYPE=FBSD
 423                 AC_MSG_RESULT(i386_fbsd)
 424                 ;;
 425         x86_64-*-freebsd*)
 426                 MKAFS_OSTYPE=FBSD
 427                 AC_MSG_RESULT(amd64_fbsd)
 428                 ;;
 429         *-netbsd*)
 430                 MKAFS_OSTYPE=NBSD
 431                 AC_MSG_RESULT(nbsd)
 432                 ;;
 433         x86_64-*-openbsd*)
 434                 MKAFS_OSTYPE=OBSD
 435                 AC_MSG_RESULT(amd64_obsd)
 436                 ;;
 437         i386-*-openbsd*)
 438                 MKAFS_OSTYPE=OBSD
 439                 AC_MSG_RESULT(i386_obsd)
 440                 ;;
 441         *-dragonfly*)
 442                 MKAFS_OSTYPE=DFBSD
 443                 AC_MSG_RESULT(i386_dfbsd)
 444                 ;;
 445         *)
 446                 AC_MSG_RESULT($system)
 447                 ;;
 448 esac
 449
 450 if test "x$with_afs_sysname" != "x"; then
 451         AFS_SYSNAME="$with_afs_sysname"
 452 else
 453         AC_MSG_CHECKING(your AFS sysname)
 454         case $host in
 455                 i?86-*-openbsd?.?)
 456                         v=${host#*openbsd}
 457                         vM=${v%.*}
 458                         vm=${v#*.}
 459                         AFS_SYSNAME="i386_obsd${vM}${vm}"
 460                         ;;
 461                 sparc64-*-openbsd?.?)
 462                         v=${host#*openbsd}
 463                         vM=${v%.*}
 464                         vm=${v#*.}
 465                         AFS_SYSNAME="sparc64_obsd${vM}${vm}"
 466                         ;;
 467                 x86_64-*-openbsd?.?)
 468                         v=${host#*openbsd}
 469                         vM=${v%.*}
 470                         vm=${v#*.}
 471                         AFS_SYSNAME="amd64_obsd${vM}${vm}"
 472                         ;;
 473                 i?86-*-freebsd?.*)
 474                         v=${host#*freebsd}
 475                         vM=${v%.*}
 476                         vm=${v#*.}
 477                         AFS_SYSNAME="i386_fbsd_${vM}${vm}"
 478                         ;;
 479                 x86_64-*-freebsd?.*)
 480                         v=${host#*freebsd}
 481                         vM=${v%.*}
 482                         vm=${v#*.}
 483                         AFS_SYSNAME="amd64_fbsd_${vM}${vm}"
 484                         ;;
 485                 i386-*-dragonfly?.*)
 486                         v=${host#*dragonfly}
 487                         vM=${v%.*}
 488                         vm=${v#*.}
 489                         AFS_SYSNAME="i386_dfbsd_${vM}${vm}"
 490                         ;;
 491                 i?86-*-netbsd*1.6[[M-Z]]*)
 492                         AFS_SYSNAME="i386_nbsd20"
 493                         ;;
 494                 powerpc-*-netbsd*1.6[[M-Z]]*)
 495                         AFS_SYSNAME="ppc_nbsd20"
 496                         ;;
 497                 *-*-netbsd*)
 498                         arch=${host%%-unknown*}
 499                         arch=$(echo $arch |sed -e 's/x86_64/amd64/g' \
 500                                                -e 's/powerpc/ppc/g')
 501                         v=${host#*netbsd}
 502                         v=${v#*aout}
 503                         v=${v#*ecoff}
 504                         v=${v#*elf}
 505                         vM=${v%%.*}
 506                         vM=${vM%.*}
 507                         v=${v#*.}
 508                         vm=${v%%.*}
 509                         vm=${vm%.*}
 510                         vm=${vm%%[[_A-Z]]*}
 511                         if test $vm -eq 99 ; then
 512                                 vM=$((vM+1))
 513                         fi
 514                         if test $vM -gt 1 ; then
 515                                 vm=0
 516                         fi
 517                         AFS_SYSNAME="${arch}_nbsd${vM}${vm}"
 518                         ;;
 519                 hppa*-hp-hpux11.0*)
 520                         AFS_SYSNAME="hp_ux110"
 521                         ;;
 522                 hppa*-hp-hpux11.11)
 523                         AFS_SYSNAME="hp_ux11i"
 524                         ;;
 525                 hppa*-hp-hpux11.23)
 526                         AFS_SYSNAME="hp_ux1123"
 527                         ;;
 528                 ia64-hp-hpux11.22)
 529                         AFS_SYSNAME="ia64_hpux1122"
 530                         ;;
 531                 ia64-hp-hpux*)
 532                         AFS_SYSNAME="ia64_hpux1123"
 533                         ;;
 534                 hppa*-hp-hpux10*)
 535                         AFS_SYSNAME="hp_ux102"
 536                         ;;
 537                 powerpc-apple-darwin7*)
 538                         AFS_SYSNAME="ppc_darwin_70"
 539                         OSXSDK="macosx10.3"
 540                         ;;
 541                 powerpc-apple-darwin8.*)
 542                         AFS_SYSNAME="ppc_darwin_80"
 543                         OSXSDK="macosx10.4"
 544                         ;;
 545                 i386-apple-darwin8.*)
 546                         AFS_SYSNAME="x86_darwin_80"
 547                         OSXSDK="macosx10.4"
 548                         ;;
 549                 powerpc-apple-darwin9.*)
 550                         AFS_SYSNAME="ppc_darwin_90"
 551                         OSXSDK="macosx10.5"
 552                         ;;
 553                 i386-apple-darwin9.*)
 554                         AFS_SYSNAME="x86_darwin_90"
 555                         OSXSDK="macosx10.5"
 556                         ;;
 557                 i?86-apple-darwin10.*)
 558                         AFS_SYSNAME="x86_darwin_100"
 559                         OSXSDK="macosx10.6"
 560                         ;;
 561                 x86_64-apple-darwin10.*)
 562                         AFS_SYSNAME="x86_darwin_100"
 563                         OSXSDK="macosx10.6"
 564                         ;;
 565                 arm-apple-darwin10.*)
 566                         AFS_SYSNAME="arm_darwin_100"
 567                         OSXSDK="iphoneos4.0"
 568                         ;;
 569                 x86_64-apple-darwin11.*)
 570                         AFS_SYSNAME="x86_darwin_110"
 571                         OSXSDK="macosx10.7"
 572                         ;;
 573                 i?86-apple-darwin11.*)
 574                         AFS_SYSNAME="x86_darwin_110"
 575                         OSXSDK="macosx10.7"
 576                         ;;
 577                 sparc-sun-solaris2.8)
 578                         AFS_SYSNAME="sun4x_58"
 579                         ;;
 580                 sparc-sun-solaris2.9)
 581                         AFS_SYSNAME="sun4x_59"
 582                         ;;
 583                 sparc-sun-solaris2.10)
 584                         AFS_SYSNAME="sun4x_510"
 585                         ;;
 586                 sparc-sun-solaris2.11)
 587                         AFS_SYSNAME="sun4x_511"
 588                         ;;
 589                 sparc-sun-sunos4*)
 590                         AFS_SYSNAME="sun4_413"
 591                         enable_login="yes"
 592                         ;;
 593                 i386-pc-solaris2.8)
 594                         AFS_SYSNAME="sunx86_58"
 595                         ;;
 596                 i386-pc-solaris2.9)
 597                         AFS_SYSNAME="sunx86_59"
 598                         ;;
 599                 i386-pc-solaris2.10)
 600                         AFS_SYSNAME="sunx86_510"
 601                         ;;
 602                 i386-pc-solaris2.11)
 603                         AFS_SYSNAME="sunx86_511"
 604                         ;;
 605                 alpha*-dec-osf4.0*)
 606                         AFS_SYSNAME="alpha_dux40"
 607                         ;;
 608                 alpha*-dec-osf5.0*)
 609                         AFS_SYSNAME="alpha_dux50"
 610                         ;;
 611                 alpha*-dec-osf5.1*)
 612                         AFS_SYSNAME="alpha_dux51"
 613                         ;;
 614                 mips-sgi-irix6.5)
 615                         AFS_SYSNAME="sgi_65"
 616                         ;;
 617                 ia64-*-linux*)
 618                         AFS_SYSNAME="ia64_linuxXX"
 619                         ;;
 620                 powerpc-*-linux*)
 621                         AFS_SYSNAME="`/bin/arch`_linuxXX"
 622                         ;;
 623                 powerpc64-*-linux*)
 624                         AFS_SYSNAME="ppc64_linuxXX"
 625                         ;;
 626                 alpha*-linux*)
 627                         AFS_SYSNAME="alpha_linux_XX"
 628                         ;;
 629                 s390-*-linux*)
 630                         AFS_SYSNAME="s390_linuxXX"
 631                         ;;
 632                 s390x-*-linux*)
 633                         AFS_SYSNAME="s390x_linuxXX"
 634                         ;;
 635                 sparc-*-linux*)
 636                         AFS_SYSNAME="`/bin/arch`_linuxXX"
 637                         ;;
 638                 sparc64-*-linux*)
 639                         AFS_SYSNAME="sparc64_linuxXX"
 640                         ;;
 641                 i?86-*-linux*)
 642                         AFS_SYSNAME="i386_linuxXX"
 643                         ;;
 644                 arm*-linux*)
 645                         AFS_SYSNAME="arm_linuxXX"
 646                         ;;
 647                 parisc-*-linux-gnu|hppa-*-linux-gnu)
 648                         AFS_SYSNAME="parisc_linuxXX"
 649                         enable_pam="no"
 650                         ;;
 651                 power*-ibm-aix4.2*)
 652                         AFS_SYSNAME="rs_aix42"
 653                         enable_pam="no"
 654                         ;;
 655                 power*-ibm-aix4.3*)
 656                         AFS_SYSNAME="rs_aix42"
 657                         enable_pam="no"
 658                         ;;
 659                 power*-ibm-aix5.1*)
 660                         AFS_SYSNAME="rs_aix51"
 661                         enable_pam="no"
 662                         ;;
 663                 power*-ibm-aix5.2*)
 664                         AFS_SYSNAME="rs_aix52"
 665                         enable_pam="no"
 666                         ;;
 667                 power*-ibm-aix5.3*)
 668                         AFS_SYSNAME="rs_aix53"
 669                         enable_pam="no"
 670                         ;;
 671                 power*-ibm-aix6.1*)
 672                         AFS_SYSNAME="rs_aix61"
 673                         enable_pam="no"
 674                         ;;
 675                 x86_64-*-linux-gnu)
 676                         AFS_SYSNAME="amd64_linuxXX"
 677                         enable_pam="yes"
 678                         ;;
 679                 *)
 680                         AC_MSG_ERROR(An AFS sysname is required)
 681                         exit 1
 682                         ;;
 683         esac
 684         case $AFS_SYSNAME in
 685                 *_linux* | *_umlinux*)
 686                         if test "x${AFS_SYSKVERS}" = "x"; then
 687                          AC_MSG_ERROR(Couldn't guess your Linux version. Please use the --with-afs-sysname option to configure an AFS sysname.)
 688                         fi
 689                         _AFS_SYSNAME=`echo $AFS_SYSNAME|sed s/XX\$/$AFS_SYSKVERS/`
 690                         AFS_SYSNAME="$_AFS_SYSNAME"
 691                         AC_TRY_KBUILD(
 692                          [],
 693                          [#ifndef CONFIG_USERMODE
 694                           #error not UML
 695                           #endif],
 696                          ac_cv_linux_is_uml=yes,)
 697                         if test "${ac_cv_linux_is_uml}" = yes; then
 698                          _AFS_SYSNAME=`echo $AFS_SYSNAME|sed s/linux/umlinux/`
 699                         fi
 700                         AFS_SYSNAME="$_AFS_SYSNAME"
 701                         ;;
 702         esac
 703         AC_MSG_RESULT($AFS_SYSNAME)
 704 fi
 705
 706 case $AFS_SYSNAME in
 707         *_darwin*)
 708                 AC_CHECK_HEADERS(crt_externs.h)
 709                 DARWIN_PLIST=src/libafs/afs.${AFS_SYSNAME}.plist
 710                 DARWIN_INFOFILE=afs.${AFS_SYSNAME}.plist
 711                 AC_SUBST(OSXSDK)
 712                 ;;
 713 esac
 714
 715 dnl Some hosts have a separate common param file they should include.  Figure
 716 dnl out if we're on one of them now that we know the sysname.
 717 case $AFS_SYSNAME in
 718     *_nbsd15)   AFS_PARAM_COMMON=param.nbsd15.h  ;;
 719     *_nbsd16)   AFS_PARAM_COMMON=param.nbsd16.h  ;;
 720     *_nbsd20)   AFS_PARAM_COMMON=param.nbsd20.h  ;;
 721     *_nbsd21)   AFS_PARAM_COMMON=param.nbsd21.h  ;;
 722     *_nbsd30)   AFS_PARAM_COMMON=param.nbsd30.h  ;;
 723     *_nbsd40)   AFS_PARAM_COMMON=param.nbsd40.h  ;;
 724     *_nbsd50)   AFS_PARAM_COMMON=param.nbsd50.h  ;;
 725     *_nbsd60)   AFS_PARAM_COMMON=param.nbsd60.h  ;;
 726     *_obsd31)   AFS_PARAM_COMMON=param.obsd31.h  ;;
 727     *_obsd32)   AFS_PARAM_COMMON=param.obsd32.h  ;;
 728     *_obsd33)   AFS_PARAM_COMMON=param.obsd33.h  ;;
 729     *_obsd34)   AFS_PARAM_COMMON=param.obsd34.h  ;;
 730     *_obsd35)   AFS_PARAM_COMMON=param.obsd35.h  ;;
 731     *_obsd36)   AFS_PARAM_COMMON=param.obsd36.h  ;;
 732     *_obsd37)   AFS_PARAM_COMMON=param.obsd37.h  ;;
 733     *_obsd38)   AFS_PARAM_COMMON=param.obsd38.h  ;;
 734     *_obsd39)   AFS_PARAM_COMMON=param.obsd39.h  ;;
 735     *_obsd40)   AFS_PARAM_COMMON=param.obsd40.h  ;;
 736     *_obsd41)   AFS_PARAM_COMMON=param.obsd41.h  ;;
 737     *_obsd42)   AFS_PARAM_COMMON=param.obsd42.h  ;;
 738     *_obsd43)   AFS_PARAM_COMMON=param.obsd43.h  ;;
 739     *_obsd44)   AFS_PARAM_COMMON=param.obsd44.h  ;;
 740     *_obsd45)   AFS_PARAM_COMMON=param.obsd45.h  ;;
 741     *_obsd46)   AFS_PARAM_COMMON=param.obsd46.h  ;;
 742     *_obsd47)   AFS_PARAM_COMMON=param.obsd47.h  ;;
 743     *_obsd48)   AFS_PARAM_COMMON=param.obsd48.h  ;;
 744     *_linux22)  AFS_PARAM_COMMON=param.linux22.h ;;
 745     *_linux24)  AFS_PARAM_COMMON=param.linux24.h ;;
 746     *_linux26)  AFS_PARAM_COMMON=param.linux26.h ;;
 747 # Linux alpha adds an extra underscore for no good reason.
 748     *_linux_22) AFS_PARAM_COMMON=param.linux22.h ;;
 749     *_linux_24) AFS_PARAM_COMMON=param.linux24.h ;;
 750     *_linux_26) AFS_PARAM_COMMON=param.linux26.h ;;
 751 esac
 752
 753 case $AFS_SYSNAME in *_linux* | *_umlinux*)
 754
 755                 # Add (sub-) architecture-specific paths needed by conftests
 756                 case $AFS_SYSNAME  in
 757                         *_umlinux26)
 758                                 UMLINUX26_FLAGS="-I$LINUX_KERNEL_PATH/arch/um/include"
 759                                 UMLINUX26_FLAGS="$UMLINUX26_FLAGS -I$LINUX_KERNEL_PATH/arch/um/kernel/tt/include"
 760                                 UMLINUX26_FLAGS="$UMLINUX26_FLAGS -I$LINUX_KERNEL_PATH/arch/um/kernel/skas/include"
 761                                 CPPFLAGS="$CPPFLAGS $UMLINUX26_FLAGS"
 762                 esac
 763
 764                 if test "x$enable_kernel_module" = "xyes"; then
 765                  if test "x$enable_debug_kernel" = "xno"; then
 766                         LINUX_GCC_KOPTS="$LINUX_GCC_KOPTS -fomit-frame-pointer"
 767                  fi
 768                  OPENAFS_GCC_SUPPORTS_MARCH
 769                  AC_SUBST(P5PLUS_KOPTS)
 770                  OPENAFS_GCC_NEEDS_NO_STRENGTH_REDUCE
 771                  OPENAFS_GCC_NEEDS_NO_STRICT_ALIASING
 772                  OPENAFS_GCC_SUPPORTS_NO_COMMON
 773                  OPENAFS_GCC_SUPPORTS_PIPE
 774                  AC_SUBST(LINUX_GCC_KOPTS)
 775
 776                  dnl Setup the kernel build environment
 777                  LINUX_KBUILD_USES_EXTRA_CFLAGS
 778                  LINUX_KERNEL_COMPILE_WORKS
 779
 780                  dnl Check for header files
 781                  AC_CHECK_LINUX_HEADER([config.h])
 782                  AC_CHECK_LINUX_HEADER([completion.h])
 783                  AC_CHECK_LINUX_HEADER([exportfs.h])
 784                  AC_CHECK_LINUX_HEADER([freezer.h])
 785                  AC_CHECK_LINUX_HEADER([key-type.h])
 786                  AC_CHECK_LINUX_HEADER([semaphore.h])
 787                  AC_CHECK_LINUX_HEADER([seq_file.h])
 788
 789                  dnl Check for structure elements
 790                  AC_CHECK_LINUX_STRUCT([address_space_operations],
 791                                        [write_begin], [fs.h])
 792                  AC_CHECK_LINUX_STRUCT([backing_dev_info], [name],
 793                                        [backing-dev.h])
 794                  AC_CHECK_LINUX_STRUCT([ctl_table], [ctl_name], [sysctl.h])
 795                  AC_CHECK_LINUX_STRUCT([inode], [i_alloc_sem], [fs.h])
 796                  AC_CHECK_LINUX_STRUCT([inode], [i_blkbits], [fs.h])
 797                  AC_CHECK_LINUX_STRUCT([inode], [i_blksize], [fs.h])
 798                  AC_CHECK_LINUX_STRUCT([inode], [i_mutex], [fs.h])
 799                  AC_CHECK_LINUX_STRUCT([inode], [i_security], [fs.h])
 800                  AC_CHECK_LINUX_STRUCT([file_operations], [flock], [fs.h])
 801                  AC_CHECK_LINUX_STRUCT([file_operations], [sendfile], [fs.h])
 802                  AC_CHECK_LINUX_STRUCT([file_system_type], [mount], [fs.h])
 803                  AC_CHECK_LINUX_STRUCT([nameidata], [path], [namei.h])
 804                  AC_CHECK_LINUX_STRUCT([proc_dir_entry], [owner], [proc_fs.h])
 805                  AC_CHECK_LINUX_STRUCT([super_block], [s_bdi], [fs.h])
 806                  AC_CHECK_LINUX_STRUCT([super_block], [s_d_op], [fs.h])
 807                  AC_CHECK_LINUX_STRUCT([super_operations], [alloc_inode],
 808                                        [fs.h])
 809                  AC_CHECK_LINUX_STRUCT([super_operations], [evict_inode],
 810                                        [fs.h])
 811                  AC_CHECK_LINUX_STRUCT([task_struct], [cred], [sched.h])
 812                  AC_CHECK_LINUX_STRUCT([task_struct], [exit_state], [sched.h])
 813                  AC_CHECK_LINUX_STRUCT([task_struct], [parent], [sched.h])
 814                  AC_CHECK_LINUX_STRUCT([task_struct], [real_parent], [sched.h])
 815                  AC_CHECK_LINUX_STRUCT([task_struct], [rlim], [sched.h])
 816                  AC_CHECK_LINUX_STRUCT([task_struct], [sig], [sched.h])
 817                  AC_CHECK_LINUX_STRUCT([task_struct], [sighand], [sched.h])
 818                  AC_CHECK_LINUX_STRUCT([task_struct], [sigmask_lock], [sched.h])
 819                  AC_CHECK_LINUX_STRUCT([task_struct], [tgid], [sched.h])
 820                  AC_CHECK_LINUX_STRUCT([task_struct], [thread_info], [sched.h])
 821                  LINUX_SCHED_STRUCT_TASK_STRUCT_HAS_SIGNAL_RLIM
 822
 823                  dnl Check for typed structure elements
 824                  AC_CHECK_LINUX_TYPED_STRUCT([read_descriptor_t],
 825                                              [buf], [fs.h])
 826
 827                  dnl Function existence checks
 828
 829                  AC_CHECK_LINUX_FUNC([bdi_init],
 830                                      [#include <linux/backing-dev.h>],
 831                                      [bdi_init(NULL);])
 832                  AC_CHECK_LINUX_FUNC([PageChecked],
 833                                      [#include <linux/mm.h>
 834 #include <linux/page-flags.h>],
 835                                      [struct page *_page;
 836                                       int bchecked = PageChecked(_page);])
 837                  AC_CHECK_LINUX_FUNC([PageFsMisc],
 838                                      [#include <linux/mm.h>
 839 #include <linux/page-flags.h>],
 840                                      [struct page *_page;
 841                                       int bchecked = PageFsMisc(_page);])
 842                  AC_CHECK_LINUX_FUNC([current_kernel_time],
 843                                      [#include <linux/time.h>],
 844                                      [struct timespec s;
 845                                       s = current_kernel_time();])
 846                  AC_CHECK_LINUX_FUNC([d_alloc_anon],
 847                                      [#include <linux/fs.h>],
 848                                      [d_alloc_anon(NULL);])
 849                  AC_CHECK_LINUX_FUNC([do_sync_read],
 850                                      [#include <linux/fs.h>],
 851                                      [do_sync_read(NULL, NULL, 0, NULL);])
 852                  AC_CHECK_LINUX_FUNC([find_task_by_pid],
 853                                      [#include <linux/sched.h>],
 854                                      [pid_t p; find_task_by_pid(p);])
 855                  AC_CHECK_LINUX_FUNC([generic_file_aio_read],
 856                                      [#include <linux/fs.h>],
 857                                      [generic_file_aio_read(NULL,NULL,0,0);])
 858                  AC_CHECK_LINUX_FUNC([grab_cache_page_write_begin],
 859                                      [#include <linux/pagemap.h>],
 860                                      [grab_cache_page_write_begin(NULL, 0, 0);])
 861                  AC_CHECK_LINUX_FUNC([hlist_unhashed],
 862                                      [#include <linux/list.h>],
 863                                      [hlist_unhashed(0);])
 864                  AC_CHECK_LINUX_FUNC([i_size_read],
 865                                      [#include <linux/fs.h>],
 866                                      [i_size_read(NULL);])
 867                  AC_CHECK_LINUX_FUNC([inode_setattr],
 868                                      [#include <linux/fs.h>],
 869                                      [inode_setattr(NULL, NULL);])
 870                  AC_CHECK_LINUX_FUNC([kernel_setsockopt],
 871                                      [#include <linux/net.h>],
 872                                      [kernel_setsockopt(NULL, 0, 0, NULL, 0);])
 873                  AC_CHECK_LINUX_FUNC([page_follow_link],
 874                                      [#include <linux/fs.h>],
 875                                      [page_follow_link(0,0);])
 876                  AC_CHECK_LINUX_FUNC([page_offset],
 877                                      [#include <linux/pagemap.h>],
 878                                      [page_offset(NULL);])
 879                  AC_CHECK_LINUX_FUNC([pagevec_lru_add_file],
 880                                      [#include <linux/pagevec.h>],
 881                                      [__pagevec_lru_add_file(NULL);])
 882                  AC_CHECK_LINUX_FUNC([path_lookup],
 883                                      [#include <linux/fs.h>
 884                                       #include <linux/namei.h>],
 885                                      [path_lookup(NULL, 0, NULL);])
 886                  AC_CHECK_LINUX_FUNC([rcu_read_lock],
 887                                      [#include <linux/rcupdate.h>],
 888                                      [rcu_read_lock();])
 889                  AC_CHECK_LINUX_FUNC([splice_direct_to_actor],
 890                                      [#include <linux/splice.h>],
 891                                      [splice_direct_to_actor(NULL,NULL,NULL);])
 892                  AC_CHECK_LINUX_FUNC([svc_addr_in],
 893                                      [#include <linux/sunrpc/svc.h>],
 894                                      [svc_addr_in(NULL);])
 895                  AC_CHECK_LINUX_FUNC([zero_user_segments],
 896                                      [#include <linux/highmem.h>],
 897                                      [zero_user_segments(NULL, 0, 0, 0, 0);])
 898
 899                  dnl Consequences - things which get set as a result of the
 900                  dnl                above tests
 901                  AS_IF([test "x$ac_cv_linux_func_d_alloc_anon" = "xno"],
 902                        [AC_DEFINE([AFS_NONFSTRANS], 1,
 903                                   [define to disable the nfs translator])])
 904
 905                  dnl Assorted more complex tests
 906                  LINUX_EXPORTS_PROC_ROOT_FS
 907                  LINUX_KMEM_CACHE_INIT
 908                  LINUX_HAVE_KMEM_CACHE_T
 909                  LINUX_KMEM_CACHE_CREATE_TAKES_DTOR
 910                  LINUX_KMEM_CACHE_CREATE_CTOR_TAKES_VOID
 911                  LINUX_D_PATH_TAKES_STRUCT_PATH
 912                  LINUX_NEW_EXPORT_OPS
 913                  LINUX_INODE_SETATTR_RETURN_TYPE
 914                  LINUX_IOP_I_CREATE_TAKES_NAMEIDATA
 915                  LINUX_IOP_I_LOOKUP_TAKES_NAMEIDATA
 916                  LINUX_IOP_I_PERMISSION_TAKES_FLAGS
 917                  LINUX_IOP_I_PERMISSION_TAKES_NAMEIDATA
 918                  LINUX_IOP_I_PUT_LINK_TAKES_COOKIE
 919                  LINUX_DOP_D_REVALIDATE_TAKES_NAMEIDATA
 920                  LINUX_FOP_F_FLUSH_TAKES_FL_OWNER_T
 921                  LINUX_FOP_F_FSYNC_TAKES_DENTRY
 922                  LINUX_AOP_WRITEBACK_CONTROL
 923                  LINUX_FS_STRUCT_FOP_HAS_SPLICE
 924                  LINUX_KERNEL_POSIX_LOCK_FILE_WAIT_ARG
 925                  LINUX_POSIX_TEST_LOCK_RETURNS_CONFLICT
 926                  LINUX_POSIX_TEST_LOCK_CONFLICT_ARG
 927                  LINUX_KERNEL_SOCK_CREATE
 928                  LINUX_EXPORTS_KEY_TYPE_KEYRING
 929                  LINUX_NEED_RHCONFIG
 930                  LINUX_RECALC_SIGPENDING_ARG_TYPE
 931                  LINUX_EXPORTS_TASKLIST_LOCK
 932                  LINUX_GET_SB_HAS_STRUCT_VFSMOUNT
 933                  LINUX_STATFS_TAKES_DENTRY
 934                  LINUX_REFRIGERATOR
 935                  LINUX_HAVE_TRY_TO_FREEZE
 936                  LINUX_LINUX_KEYRING_SUPPORT
 937                  LINUX_KEY_ALLOC_NEEDS_STRUCT_TASK
 938                  LINUX_KEY_ALLOC_NEEDS_CRED
 939                  LINUX_INIT_WORK_HAS_DATA
 940                  LINUX_REGISTER_SYSCTL_TABLE_NOFLAG
 941                  LINUX_HAVE_DCACHE_LOCK
 942                  LINUX_D_COUNT_IS_INT
 943
 944                  dnl If we are guaranteed that keyrings will work - that is
 945                  dnl  a) The kernel has keyrings enabled
 946                  dnl  b) The code is new enough to give us a key_type_keyring
 947                  dnl then we just disable syscall probing unless we've been
 948                  dnl told otherwise
 949
 950                  AS_IF([test "$enable_linux_syscall_probing" = "maybe"],
 951                    [AS_IF([test "$ac_cv_linux_keyring_support" = "yes" -a "$ac_cv_linux_exports_key_type_keyring" = "yes"],
 952                           [enable_linux_syscall_probing="no"],
 953                           [enable_linux_syscall_probing="yes"])
 954                  ])
 955
 956                  dnl Syscall probing needs a few tests of its own, and just
 957                  dnl won't work if the kernel doesn't export init_mm
 958                  AS_IF([test "$enable_linux_syscall_probing" = "yes"], [
 959                    LINUX_EXPORTS_INIT_MM
 960                    AS_IF([test "$ac_cv_linux_exports_init_mm" = "no"], [
 961                      AC_MSG_ERROR(
 962                        [Can't do syscall probing without exported init_mm])
 963                    ])
 964                    LINUX_EXPORTS_SYS_CHDIR
 965                    LINUX_EXPORTS_SYS_OPEN
 966                    AC_DEFINE(ENABLE_LINUX_SYSCALL_PROBING, 1,
 967                              [define to enable syscall table probes])
 968                  ])
 969
 970                  dnl Packaging and SMP build
 971                  if test "x$with_linux_kernel_packaging" != "xyes" ; then
 972                    LINUX_WHICH_MODULES
 973                  else
 974                    AC_SUBST(MPS,'SP')
 975                  fi
 976
 977                  dnl Syscall probing
 978                  if test "x$ac_cv_linux_config_modversions" = "xno" -o $AFS_SYSKVERS -ge 26; then
 979                    AS_IF([test "$enable_linux_syscall_probing" = "yes"], [
 980                      AC_MSG_WARN([Cannot determine sys_call_table status. assuming it isn't exported])
 981                    ])
 982                    ac_cv_linux_exports_sys_call_table=no
 983                    if test -f "$LINUX_KERNEL_PATH/include/asm/ia32_unistd.h"; then
 984                      ac_cv_linux_exports_ia32_sys_call_table=yes
 985                    fi
 986                  else
 987                    LINUX_EXPORTS_KALLSYMS_ADDRESS
 988                    LINUX_EXPORTS_KALLSYMS_SYMBOL
 989                    LINUX_EXPORTS_SYS_CALL_TABLE
 990                    LINUX_EXPORTS_IA32_SYS_CALL_TABLE
 991                    if test "x$ac_cv_linux_exports_sys_call_table" = "xno"; then
 992                          linux_syscall_method=none
 993                          if test "x$ac_cv_linux_exports_init_mm" = "xyes"; then
 994                             linux_syscall_method=scan
 995                             if test "x$ac_cv_linux_exports_kallsyms_address" = "xyes"; then
 996                                linux_syscall_method=scan_with_kallsyms_address
 997                             fi
 998                          fi
 999                          if test "x$ac_cv_linux_exports_kallsyms_symbol" = "xyes"; then
1000                             linux_syscall_method=kallsyms_symbol
1001                          fi
1002                          if test "x$linux_syscall_method" = "xnone"; then
1003                             AC_MSG_WARN([no available sys_call_table access method -- guessing scan])
1004                             linux_syscall_method=scan
1005                          fi
1006                    fi
1007                  fi
1008                  if test -f "$LINUX_KERNEL_PATH/include/linux/in_systm.h"; then
1009                   AC_DEFINE(HAVE_IN_SYSTM_H, 1, [define if you have in_systm.h header file])
1010                  fi
1011                  if test -f "$LINUX_KERNEL_PATH/include/linux/mm_inline.h"; then
1012                   AC_DEFINE(HAVE_MM_INLINE_H, 1, [define if you have mm_inline.h header file])
1013                  fi
1014                  if test "x$ac_cv_linux_kernel_page_follow_link" = "xyes" -o "x$ac_cv_linux_func_i_put_link_takes_cookie" = "xyes"; then
1015                   AC_DEFINE(USABLE_KERNEL_PAGE_SYMLINK_CACHE, 1, [define if your kernel has a usable symlink cache API])
1016                  else
1017                   AC_MSG_WARN([your kernel does not have a usable symlink cache API])
1018                  fi
1019                 :
1020                 fi
1021 dnl Linux-only, but just enable always.
1022                 AC_DEFINE(AFS_CACHE_BYPASS, 1, [define to activate cache bypassing Unix client])
1023 esac
1024
1025 AC_CACHE_CHECK([if compiler has __sync_add_and_fetch],
1026     [ac_cv_sync_fetch_and_add],
1027     [AC_TRY_LINK(, [int var; return __sync_add_and_fetch(&var, 1);],
1028                     [ac_cv_sync_fetch_and_add=yes],
1029                     [ac_cv_sync_fetch_and_add=no])
1030 ])
1031 AS_IF([test "$ac_cv_sync_fetch_and_add" = "yes"],
1032       [AC_DEFINE(HAVE_SYNC_FETCH_AND_ADD, 1,
1033                 [define if your C compiler has __sync_add_and_fetch])])
1034
1035 AC_CACHE_CHECK([if struct sockaddr has sa_len field],
1036     [ac_cv_sockaddr_len],
1037     [AC_TRY_COMPILE( [#include <sys/types.h>
1038 #include <sys/socket.h>],
1039                      [struct sockaddr *a; a->sa_len=0;],
1040                      [ac_cv_sockaddr_len=yes],
1041                      [ac_cv_sockaddr_len=no])
1042 ])
1043 AS_IF([test "$ac_cv_sockaddr_len" = "yes"],
1044       [AC_DEFINE(STRUCT_SOCKADDR_HAS_SA_LEN, 1,
1045                  [define if you struct sockaddr sa_len])])
1046
1047 if test "x${MKAFS_OSTYPE}" = "xIRIX"; then
1048         echo Skipping library tests because they confuse Irix.
1049 else
1050   AC_SEARCH_LIBS([socket], [socket inet])
1051   AC_SEARCH_LIBS([connect], [nsl])
1052   AC_SEARCH_LIBS([gethostbyname], [dns nsl resolv])
1053
1054   dnl darwin wants it, aix hates it
1055   AC_MSG_CHECKING(for the useability of arpa/nameser_compat.h)
1056   AC_TRY_COMPILE([
1057   #include <stdlib.h>
1058   #include <stdio.h>
1059   #include <sys/types.h>
1060   #include <sys/socket.h>
1061   #include <netinet/in.h>
1062   #include <arpa/inet.h>
1063   #include <arpa/nameser.h>
1064   #include <arpa/nameser_compat.h>
1065   #include <resolv.h>
1066   ], [static int i; i = 0;],
1067   [AC_MSG_RESULT(yes)
1068    AC_DEFINE(HAVE_ARPA_NAMESER_COMPAT_H, 1, [define if arpa/nameser_compat.h exists])],
1069   [AC_MSG_RESULT(no)
1070    ])
1071
1072   openafs_save_libs="$LIBS"
1073   AC_MSG_CHECKING([for res_search])
1074   AC_FUNC_RES_SEARCH
1075
1076   if test "$ac_cv_func_res_search" = no; then
1077       for lib in dns nsl resolv; do
1078         if test "$ac_cv_func_res_search" != yes; then
1079           LIBS="-l$lib $LIBS"
1080           AC_FUNC_RES_SEARCH
1081           LIBS="$openafs_save_libs"
1082         fi
1083       done
1084       if test "$ac_cv_func_res_search" = yes; then
1085         LIB_AFSDB="-l$lib"
1086         AC_DEFINE(HAVE_RES_SEARCH, 1, [])
1087         AC_MSG_RESULT([yes, in lib$lib])
1088       else
1089         AC_MSG_RESULT(no)
1090       fi
1091   else
1092     AC_DEFINE(HAVE_RES_SEARCH, 1, [])
1093     AC_MSG_RESULT(yes)
1094   fi
1095
1096 fi
1097
1098 AC_CHECK_RESOLV_RETRANS
1099
1100 AC_CACHE_CHECK([for setsockopt(, SOL_IP, IP_RECVERR)],
1101     [ac_cv_setsockopt_iprecverr],
1102     [AC_TRY_COMPILE( [
1103 #include <sys/types.h>
1104 #include <sys/socket.h>
1105 #include <netinet/in.h>],
1106 [int on=1;
1107 setsockopt(0, SOL_IP, IP_RECVERR, &on, sizeof(on));],
1108         [ac_cv_setsockopt_iprecverr=yes],
1109         [ac_cv_setsockopt_iprecverr=no])])
1110
1111 AS_IF([test "$ac_cv_setsockopt_iprecverr" = "yes"],
1112       [AC_DEFINE(ADAPT_PMTU_RECVERR, 1,
1113                  [define if asynchronous socket errors can be received])])
1114
1115 PTHREAD_LIBS=error
1116 if test "x$MKAFS_OSTYPE" = OBSD; then
1117         PTHREAD_LIBS="-pthread"
1118 fi
1119 if test "x$MKAFS_OSTYPE" = xDFBSD; then
1120         PTHREAD_LIBS="-pthread"
1121 fi
1122 if test "x$PTHREAD_LIBS" = xerror; then
1123         AC_CHECK_LIB(pthread, pthread_attr_init,
1124                 PTHREAD_LIBS="-lpthread")
1125 fi
1126 if test "x$PTHREAD_LIBS" = xerror; then
1127         AC_CHECK_LIB(pthreads, pthread_attr_init,
1128                 PTHREAD_LIBS="-lpthreads")
1129 fi
1130 if test "x$PTHREAD_LIBS" = xerror; then
1131         AC_CHECK_LIB(c_r, pthread_attr_init,
1132                 PTHREAD_LIBS="-lc_r")
1133 fi
1134 if test "x$PTHREAD_LIBS" = xerror; then
1135         AC_CHECK_FUNC(pthread_attr_init, PTHREAD_LIBS="")
1136 fi
1137 if test "x$PTHREAD_LIBS" = xerror; then
1138         # pthread_attr_init is a macro under HPUX 11.0 and 11.11
1139         AC_CHECK_LIB(pthread, pthread_attr_destroy,
1140                 PTHREAD_LIBS="-lpthread")
1141 fi
1142 if test "x$PTHREAD_LIBS" = xerror; then
1143         AC_MSG_WARN(*** Unable to locate working posix thread library ***)
1144 fi
1145 AC_SUBST(PTHREAD_LIBS)
1146
1147 HOST_CPU="$host_cpu"
1148
1149 if test "x$with_bsd_kernel_headers" != "x"; then
1150         BSD_KERNEL_PATH="$with_bsd_kernel_headers"
1151 else
1152         BSD_KERNEL_PATH="/usr/src/sys"
1153 fi
1154
1155 if test "x$with_bsd_kernel_build" != "x"; then
1156         BSD_KERNEL_BUILD="$with_bsd_kernel_build"
1157 else
1158         case $AFS_SYSNAME in
1159                 *_fbsd_*)
1160                         BSD_KERNEL_BUILD="${BSD_KERNEL_PATH}/${HOST_CPU}/compile/GENERIC"
1161                         ;;
1162                 *_nbsd*)
1163                         BSD_KERNEL_BUILD="${BSD_KERNEL_PATH}/arch/${HOST_CPU}/compile/GENERIC"
1164         esac
1165 fi
1166
1167 # Fast restart
1168 if test "$enable_supergroups" = "yes"; then
1169         AC_DEFINE(SUPERGROUPS, 1, [define if you want to have support for nested pts groups])
1170 fi
1171
1172 if test "$enable_bitmap_later" = "yes"; then
1173         AC_DEFINE(BITMAP_LATER, 1, [define if you want to salvager to check bitmasks later])
1174 fi
1175
1176 if test "$enable_unix_sockets" = "yes"; then
1177         AC_DEFINE(USE_UNIX_SOCKETS, 1, [define if you want to use UNIX sockets for fssync.])
1178         USE_UNIX_SOCKETS="yes"
1179 else
1180         USE_UNIX_SOCKETS="no"
1181 fi
1182 AC_SUBST(USE_UNIX_SOCKETS)
1183
1184 dnl if test "$ac_cv_setsockopt_iprecverr" = "yes"; then
1185 dnl     AC_DEFINE(ADAPT_PMTU, 1, [define if you want to decode icmp unreachable packets to discover path mtu])
1186 dnl fi
1187
1188 if test "$enable_namei_fileserver" = "yes"; then
1189         AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1190         VFSCK=""
1191 else
1192         if test "$enable_namei_fileserver" = "default"; then
1193                 case $host in
1194                         *-solaris2.10*)
1195                                 AC_MSG_WARN(Some Solaris 10 versions are not safe with the inode fileserver. Forcing namei. Override with --disable-namei-fileserver)
1196                                 AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1197                                 VFSCK=""
1198                                 ;;
1199                         *-solaris2.11*)
1200                                 AC_MSG_WARN(Solaris 11 versions are not safe with the inode fileserver. Forcing namei. Override with --disable-namei-fileserver)
1201                                 AC_DEFINE(AFS_NAMEI_ENV, 1, [define if you want to want namei fileserver])
1202                                 VFSCK=""
1203                                 ;;
1204                         *)
1205                                 VFSCK="vfsck"
1206                                 ;;
1207                 esac
1208         else
1209                 VFSCK="vfsck"
1210         fi
1211 fi
1212
1213 dnl check for tivoli
1214 AC_MSG_CHECKING(for tivoli tsm butc support)
1215 XBSA_CFLAGS=""
1216 if test "$enable_tivoli_tsm" = "yes"; then
1217         XBSADIR1=/usr/tivoli/tsm/client/api/bin/xopen
1218         XBSADIR2=/opt/tivoli/tsm/client/api/bin/xopen
1219         XBSADIR3=/usr/tivoli/tsm/client/api/bin/sample
1220         XBSADIR4=/opt/tivoli/tsm/client/api/bin/sample
1221
1222         if test -r "$XBSADIR3/dsmapifp.h"; then
1223                 XBSA_CFLAGS="-Dxbsa -DNEW_XBSA -I$XBSADIR3"
1224                 XBSA_XLIBS="-ldl"
1225                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1226         elif test -r "$XBSADIR4/dsmapifp.h"; then
1227                 XBSA_CFLAGS="-Dxbsa -DNEW_XBSA -I$XBSADIR4"
1228                 XBSA_XLIBS="-ldl"
1229                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1230         elif test -r "$XBSADIR1/xbsa.h"; then
1231                 XBSA_CFLAGS="-Dxbsa -I$XBSADIR1"
1232                 XBSA_XLIBS=""
1233                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1234         elif test -r "$XBSADIR2/xbsa.h"; then
1235                 XBSA_CFLAGS="-Dxbsa -I$XBSADIR2"
1236                 XBSA_XLIBS=""
1237                 AC_MSG_RESULT([yes, $XBSA_CFLAGS])
1238         else
1239                 AC_MSG_RESULT([no, missing xbsa.h and dsmapifp.h header files])
1240         fi
1241 else
1242         AC_MSG_RESULT([no])
1243 fi
1244 AC_SUBST(XBSA_CFLAGS)
1245 AC_SUBST(XBSA_XLIBS)
1246
1247 dnl checks for header files.
1248 AC_HEADER_STDC
1249 AC_HEADER_SYS_WAIT
1250 AC_HEADER_DIRENT
1251 AC_CHECK_HEADERS([ \
1252                    arpa/inet.h \
1253                    arpa/nameser.h \
1254                    curses.h\
1255                    direct.h \
1256                    et/com_err.h \
1257                    errno.h \
1258                    fcntl.h \
1259                    grp.h \
1260                    math.h \
1261                    mntent.h \
1262                    ncurses.h \
1263                    netdb.h \
1264                    netinet/in.h \
1265                    pthread_np.h \
1266                    pwd.h \
1267                    regex.h \
1268                    security/pam_appl.h \
1269                    signal.h \
1270                    stdint.h \
1271                    stdio_ext.h \
1272                    stdlib.h \
1273                    string.h \
1274                    strings.h \
1275                    sys/bitypes.h \
1276                    sys/bswap.h \
1277                    sys/dk.h \
1278                    sys/fcntl.h \
1279                    sys/file.h \
1280                    sys/fs_types.h \
1281                    sys/fstyp.h \
1282                    sys/ioctl.h \
1283                    sys/ipc.h \
1284                    sys/lockf.h \
1285                    sys/map.h \
1286                    sys/mount.h \
1287                    sys/mntent.h \
1288                    sys/mnttab.h \
1289                    sys/pag.h \
1290                    sys/param.h \
1291                    sys/resource.h \
1292                    sys/select.h \
1293                    sys/statfs.h \
1294                    sys/statvfs.h \
1295                    sys/socket.h \
1296                    sys/sysctl.h \
1297                    sys/time.h \
1298                    sys/types.h \
1299                    sys/uio.h \
1300                    sys/un.h \
1301                    sys/vfs.h \
1302                    syslog.h \
1303                    termios.h \
1304                    time.h \
1305                    ucontext.h \
1306                    unistd.h \
1307                    windows.h \
1308                 ])
1309
1310 AC_CHECK_HEADERS([resolv.h], [], [], [AC_INCLUDES_DEFAULT
1311 #ifdef HAVE_NETINET_IN_H
1312 # include <netinet/in.h>
1313 #endif])
1314
1315 AC_CHECK_HEADERS([net/if.h],[],[],[AC_INCLUDES_DEFAULT
1316 #ifdef HAVE_SYS_SOCKET_H
1317 # include <sys/socket.h>
1318 #endif])
1319
1320 AC_CHECK_HEADERS([netinet/if_ether.h],[],[],[AC_INCLUDES_DEFAULT
1321 #ifdef HAVE_SYS_SOCKET_H
1322 # include <sys/socket.h>
1323 #endif
1324 #ifdef HAVE_NETINET_IN_H
1325 # include <netinet/in.h>
1326 #endif
1327 #ifdef HAVE_NET_IF_H
1328 # include <net/if.h>
1329 #endif])
1330
1331 AC_CHECK_HEADERS([security/pam_modules.h],[],[],[AC_INCLUDES_DEFAULT
1332 #ifdef HAVE_SECURITY_PAM_APPL_H
1333 # include <security/pam_appl.h>
1334 #endif])
1335
1336 AC_CHECK_HEADERS(linux/errqueue.h,,,[#include <linux/types.h>])
1337
1338 AC_CHECK_TYPES([fsblkcnt_t],,,[
1339 #include <sys/types.h>
1340 #ifdef HAVE_SYS_BITYPES_H
1341 #include <sys/bitypes.h>
1342 #endif
1343 #ifdef HAVE_SYS_STATFS_H
1344 #include <sys/statfs.h>
1345 #endif
1346 #ifdef HAVE_SYS_STATVFS_H
1347 #include <sys/statvfs.h>
1348 #endif
1349 ])
1350
1351 dnl check for curses-lib
1352 save_LIBS=$LIBS
1353 AC_CHECK_LIB( [ncurses], [setupterm],
1354 [LIB_curses=-lncurses],
1355     [AC_CHECK_LIB([Hcurses], [setupterm], [LIB_curses=-lHcurses],
1356         [AC_CHECK_LIB([curses], [setupterm], [LIB_curses=-lcurses])
1357     ])
1358 ])
1359 LIBS=$save_LIBS
1360 AC_SUBST(LIB_curses)
1361
1362 OPENAFS_TEST_PACKAGE(libintl,[#include <libintl.h>],[-lintl],,,INTL)
1363
1364 dnl Don't build PAM on IRIX; the interface doesn't work for us.
1365 if test "$ac_cv_header_security_pam_modules_h" = yes -a "$enable_pam" = yes; then
1366         case $AFS_SYSNAME in
1367         sgi_*)
1368                 HAVE_PAM="no"
1369                 ;;
1370         *)
1371                 HAVE_PAM="yes"
1372                 ;;
1373         esac
1374 else
1375         HAVE_PAM="no"
1376 fi
1377 AC_SUBST(HAVE_PAM)
1378
1379 if test "$enable_login" = yes; then
1380         BUILD_LOGIN="yes"
1381 else
1382         BUILD_LOGIN="no"
1383 fi
1384 AC_SUBST(BUILD_LOGIN)
1385
1386 AC_CHECK_FUNCS([ \
1387         arc4random \
1388         fcntl \
1389         fseeko64 \
1390         ftello64 \
1391         getcwd \
1392         getegid \
1393         geteuid \
1394         getgid \
1395         getuid \
1396         getprogname \
1397         getrlimit \
1398         issetugid \
1399         mkstemp \
1400         pread \
1401         preadv \
1402         preadv64 \
1403         pwrite \
1404         pwritev \
1405         pwritev64 \
1406         regcomp \
1407         regerror \
1408         regexec \
1409         setitimer \
1410         setprogname \
1411         setvbuf \
1412         sigaction \
1413         strcasestr \
1414         strerror \
1415         sysconf \
1416         sysctl \
1417         timegm \
1418 ])
1419
1420 OPENAFS_ROKEN()
1421 OPENAFS_C_ATTRIBUTE()
1422
1423 dnl Functions that Heimdal's libroken provides, but that we
1424 dnl haven't found a need for yet, and so haven't imported
1425 AC_CHECK_FUNCS([ \
1426         chown \
1427         fchown \
1428         gethostname \
1429         lstat \
1430         inet_aton \
1431         inet_ntop \
1432         inet_pton \
1433         putenv \
1434         readv \
1435         setenv \
1436         strdup \
1437         strftime \
1438         strndup \
1439         strsep \
1440         unsetenv \
1441 ])
1442
1443 dnl Functions that are in objects that we always build from libroken
1444 AC_CHECK_FUNCS([ \
1445         asprintf \
1446         asnprintf \
1447         vasprintf \
1448         vasnprintf \
1449         vsnprintf \
1450         snprintf \
1451 ])
1452
1453 dnl Functions that we're going to try and get from libroken
1454 AC_REPLACE_FUNCS([ \
1455         daemon \
1456         ecalloc \
1457         emalloc \
1458         erealloc \
1459         err \
1460         errx \
1461         flock \
1462         getdtablesize \
1463         getopt \
1464         getprogname \
1465         gettimeofday \
1466         localtime_r \
1467         mkstemp \
1468         strcasecmp \
1469         strlcat \
1470         strnlen \
1471         strlcpy \
1472         strsep \
1473         tdelete \
1474         tfind \
1475         tsearch \
1476         twalk \
1477         verr \
1478         verrx \
1479         vsyslog \
1480         vwarn \
1481         vwarnx \
1482         warn \
1483         warnx \
1484 ])
1485
1486 dnl Headers that we're going to try and get from libroken
1487 AC_CHECK_HEADERS([ \
1488         err.h \
1489         search.h \
1490 ])
1491
1492 AC_CHECK_DECLS([h_errno], [], [], [
1493 #include <sys/types.h>
1494 #ifdef HAVE_NETDB_H
1495 #include <netdb.h>
1496 #endif
1497 ])
1498
1499 AC_HEADER_TIME
1500
1501 ROKEN_HEADERS=
1502 AS_IF([test "$ac_cv_header_err_h" != "yes" ],
1503       [ROKEN_HEADERS="$ROKEN_HEADERS \$(TOP_INCDIR)/err.h"],
1504       [])
1505 AC_SUBST(ROKEN_HEADERS)
1506
1507 dnl Stuff that's harder ...
1508 AC_MSG_CHECKING([for bswap16])
1509 AC_LINK_IFELSE([AC_LANG_PROGRAM([
1510 #ifdef HAVE_SYS_TYPES_H
1511 #include <sys/types.h>
1512 #endif
1513 #ifdef HAVE_SYS_BSWAP_H
1514 #include <sys/bswap.h>
1515 #endif
1516 ],
1517 [short a, b; b = bswap16(a); ])],
1518 [AC_MSG_RESULT(yes)
1519  AC_DEFINE(HAVE_BSWAP16, 1, [Define to 1 if you have the bswap16 function])
1520 ],
1521 [AC_MSG_RESULT(no)])
1522
1523 AC_MSG_CHECKING([for bswap32])
1524 AC_LINK_IFELSE([AC_LANG_PROGRAM([#ifdef HAVE_SYS_TYPES_H
1525 #include <sys/types.h>
1526 #endif
1527 #ifdef HAVE_SYS_BSWAP_H
1528 #include <sys/bswap.h>
1529 #endif
1530 ],
1531 [int a, b; b = bswap32(a); ])],
1532 [AC_MSG_RESULT(yes)
1533  AC_DEFINE(HAVE_BSWAP32, 1, [Define to 1 if you have the bswap32 function])
1534 ],
1535 [AC_MSG_RESULT(no)])
1536
1537 case $AFS_SYSNAME in
1538 *hp_ux* | *hpux*)
1539    AC_MSG_WARN([Some versions of HP-UX have a buggy positional I/O implementation. Forcing no positional I/O.])
1540    ;;
1541 *)
1542    AC_MSG_CHECKING([for positional I/O])
1543    if test "$ac_cv_func_pread" = "yes" && \
1544            test "$ac_cv_func_pwrite" = "yes"; then
1545       AC_DEFINE(HAVE_PIO, 1, [define if you have pread() and pwrite()])
1546       AC_MSG_RESULT(yes)
1547    else
1548      AC_MSG_RESULT(no)
1549    fi
1550    AC_MSG_CHECKING([for vectored positional I/O])
1551    AS_IF([test "$ac_cv_func_preadv" = "yes" -a \
1552                "$ac_cv_func_pwritev" = "yes" -a \
1553                "$ac_cv_func_preadv64" = "yes" -a \
1554                "$ac_cv_func_pwritev64" = "yes"],
1555          [AC_DEFINE(HAVE_PIOV, 1, [define if you have preadv() and pwritev()])
1556           AC_MSG_RESULT(yes)],
1557          [AC_MSG_RESULT(no)])
1558    ;;
1559 esac
1560
1561 AC_MSG_CHECKING([for POSIX regex library])
1562 if test "$ac_cv_header_regex_h" = "yes" && \
1563         test "$ac_cv_func_regcomp" = "yes" && \
1564         test "$ac_cv_func_regexec" = "yes" && \
1565         test "$ac_cv_func_regerror" = "yes"; then
1566     AC_DEFINE(HAVE_POSIX_REGEX, 1, [define if you have POSIX regex library])
1567     AC_MSG_RESULT(yes)
1568 else
1569     AC_MSG_RESULT(no)
1570 fi
1571
1572 dnl Look for "non-portable" pthreads functions.
1573 save_LIBS="$LIBS"
1574 LIBS="$LIBS $PTHREAD_LIBS"
1575 AC_CHECK_FUNCS([ \
1576         pthread_set_name_np \
1577         pthread_setname_np \
1578 ])
1579
1580 dnl Sadly, there are three different versions of pthread_setname_np.
1581 dnl Try to cater for all of them.
1582 if test "$ac_cv_func_pthread_setname_np" = "yes" ; then
1583     AC_MSG_CHECKING([for signature of pthread_setname_np])
1584     AC_TRY_COMPILE([
1585 #include <pthread.h>
1586 #ifdef HAVE_PTHREAD_NP_H
1587 #include <pthread_np.h>
1588 #endif
1589 ], [pthread_setname_np(pthread_self(), "test", (void *)0)], [
1590         AC_MSG_RESULT([three arguments])
1591         pthread_setname_np_args=3], [
1592         AC_TRY_COMPILE([
1593 #include <pthread.h>
1594 #ifdef HAVE_PTHREAD_NP_H
1595 #include <pthread_np.h>
1596 #endif
1597 ], [pthread_setname_np(pthread_self(), "test")], [
1598             AC_MSG_RESULT([two arguments])
1599             pthread_setname_np_args=2], [
1600             AC_TRY_COMPILE([
1601 #include <pthread.h>
1602 #ifdef HAVE_PTHREAD_NP_H
1603 #include <pthread_np.h>
1604 #endif
1605 ], [pthread_setname_np("test")], [
1606                 AC_MSG_RESULT([one argument])
1607                 pthread_setname_np_args=1], [pthread_setname_np_args=0])
1608 ])
1609 ])
1610 AC_DEFINE_UNQUOTED([PTHREAD_SETNAME_NP_ARGS], $pthread_setname_np_args, [Number of arguments required by pthread_setname_np() function])
1611 fi
1612 LIBS="$save_LIBS"
1613
1614 AC_TYPE_SIGNAL
1615 OPENAFS_RETSIGTYPE
1616 AC_CHECK_SIZEOF(void *)
1617 AC_CHECK_SIZEOF(unsigned long long)
1618 AC_CHECK_SIZEOF(unsigned long)
1619 AC_CHECK_SIZEOF(unsigned int)
1620 AC_TYPE_INTPTR_T
1621 AC_TYPE_UINTPTR_T
1622 AC_TYPE_SSIZE_T
1623 AC_CHECK_TYPE([sig_atomic_t],[],
1624     [AC_DEFINE([sig_atomic_t], [int],
1625         [Define to int if <signal.h> does not define.])],
1626 [#include <sys/types.h>
1627 #include <signal.h>])
1628 AC_CHECK_TYPE([socklen_t],[],
1629     [AC_DEFINE([socklen_t], [int],
1630         [Define to int if <sys/socket.h> does not define.])],
1631 [#include <sys/types.h>
1632 #include <sys/socket.h>])
1633 AC_CHECK_TYPES(off64_t)
1634 AC_CHECK_TYPES([ssize_t], [], [], [#include <unistd.h>])
1635 AC_CHECK_TYPES([struct winsize], [], [], [
1636 #ifdef HAVE_TERMIOS_H
1637 # include <termios.h>
1638 #else
1639 # include <sys/termios.h>
1640 #endif
1641 #include <sys/ioctl.h>])
1642 AC_CHECK_TYPES([sa_family_t, socklen_t, struct sockaddr,
1643                 struct sockaddr_storage],
1644                [], [], [
1645 #include <sys/types.h>
1646 #include <sys/socket.h>
1647 ])
1648 AC_CHECK_TYPES([sa_family_t], [], [], [
1649 #include <sys/types.h>
1650 #include <sys/socket.h>
1651 ])
1652 AC_CHECK_TYPES([struct addrinfo], [], [], [
1653 #include <sys/types.h>
1654 #ifdef HAVE_NETDB_H
1655 #include <netdb.h>
1656 #endif
1657 ])
1658 AC_CHECK_TYPES([long long], [], [], [])
1659
1660 AC_SIZEOF_TYPE(long)
1661
1662 RRA_HEADER_PAM_CONST
1663
1664
1665 dnl Directory PATH handling
1666 if test "x$enable_transarc_paths" = "xyes"  ; then
1667     afsconfdir=${afsconfdir=/usr/afs/etc}
1668     viceetcdir=${viceetcdir=/usr/vice/etc}
1669     afskerneldir=${afskerneldir=${viceetcdir}}
1670     afssrvbindir=${afssrvbindir=/usr/afs/bin}
1671     afssrvsbindir=${afssrvsbindir=/usr/afs/bin}
1672     afssrvlibexecdir=${afssrvlibexecdir=/usr/afs/bin}
1673     afsdbdir=${afsdbdir=/usr/afs/db}
1674     afslogsdir=${afslogsdir=/usr/afs/logs}
1675     afslocaldir=${afslocaldir=/usr/afs/local}
1676     afsbackupdir=${afsbackupdir=/usr/afs/backup}
1677     afsbosconfigdir=${afsbosconfigdir=/usr/afs/local}
1678     afsdatadir=${afsdatadir=/usr/vice/etc}
1679 else
1680     afsconfdir=${afsconfdir='${sysconfdir}/openafs/server'}
1681     viceetcdir=${viceetcdir='${sysconfdir}/openafs'}
1682     afskerneldir=${afskerneldir='${libdir}/openafs'}
1683     afssrvbindir=${afssrvbindir='${bindir}'}
1684     afssrvsbindir=${afssrvsbindir='${sbindir}'}
1685     afssrvlibexecdir=${afssrvlibexecdir='${libexecdir}/openafs'}
1686     afsdbdir=${afsdbdir='${localstatedir}/openafs/db'}
1687     afslogsdir=${afslogsdir='${localstatedir}/openafs/logs'}
1688     afslocaldir=${afslocaldir='${localstatedir}/openafs'}
1689     afsbackupdir=${afsbackupdir='${localstatedir}/openafs/backup'}
1690     afsbosconfigdir=${afsbosconfigdir='${sysconfdir}/openafs'}
1691     afsdatadir=${afsdatadir='${datadir}/openafs'}
1692 fi
1693 AC_SUBST(afsconfdir)
1694 AC_SUBST(viceetcdir)
1695 AC_SUBST(afskerneldir)
1696 AC_SUBST(afssrvbindir)
1697 AC_SUBST(afssrvsbindir)
1698 AC_SUBST(afssrvlibexecdir)
1699 AC_SUBST(afsdbdir)
1700 AC_SUBST(afslogsdir)
1701 AC_SUBST(afslocaldir)
1702 AC_SUBST(afsbackupdir)
1703 AC_SUBST(afsbosconfigdir)
1704 AC_SUBST(afsdatadir)
1705
1706 if test "x$enable_kernel_module" = "xyes"; then
1707 ENABLE_KERNEL_MODULE=libafs
1708 fi
1709
1710 if test "x$enable_pthreaded_ubik" = "xyes"; then
1711 ENABLE_PTHREADED_UBIK=yes
1712 fi
1713
1714 AC_SUBST(VFSCK)
1715 AC_SUBST(AFS_SYSNAME)
1716 AC_SUBST(AFS_PARAM_COMMON)
1717 AC_SUBST(ENABLE_KERNEL_MODULE)
1718 AC_SUBST(ENABLE_PTHREADED_UBIK)
1719 AC_SUBST(LIB_AFSDB)
1720 AC_SUBST(LINUX_KERNEL_PATH)
1721 AC_SUBST(LINUX_KERNEL_BUILD)
1722 AC_SUBST(HOST_CPU)
1723 AC_SUBST(BSD_KERNEL_PATH)
1724 AC_SUBST(BSD_KERNEL_BUILD)
1725 AC_SUBST(LINUX_VERSION)
1726 AC_SUBST(MKAFS_OSTYPE)
1727 AC_SUBST(TOP_OBJDIR)
1728 AC_SUBST(TOP_SRCDIR)
1729 AC_SUBST(TOP_INCDIR)
1730 AC_SUBST(TOP_LIBDIR)
1731 AC_SUBST(DEST)
1732 AC_SUBST(DARWIN_INFOFILE)
1733 AC_SUBST(IRIX_BUILD_IP35)
1734 AC_SUBST(HTML_XSL)
1735 AC_SUBST(XSLTPROC)
1736 AC_SUBST(DOCBOOK2PDF)
1737 AC_SUBST(DOCBOOK_STYLESHEETS)
1738
1739 OPENAFS_OSCONF
1740 OPENAFS_FUSE
1741 OPENAFS_SWIG
1742
1743 TOP_SRCDIR="${srcdir}/src"
1744 dnl
1745 dnl If we're using ./configure, need a more reasonable TOP_SRCDIR, since relative links don't work everywhere
1746 dnl
1747 case $TOP_SRCDIR in
1748         /*)
1749                 ;;
1750         *)
1751                 TOP_SRCDIR=`cd $TOP_SRCDIR; pwd`
1752                 ;;
1753 esac
1754
1755 TOP_OBJDIR="${SRCDIR_PARENT}"
1756 TOP_INCDIR="${SRCDIR_PARENT}/include"
1757 TOP_LIBDIR="${SRCDIR_PARENT}/lib"
1758 if test "${DEST}x" = "x"; then
1759         DEST="${SRCDIR_PARENT}/${AFS_SYSNAME}/dest"
1760 fi
1761
1762 HELPER_SPLINT="${TOP_SRCDIR}/helper-splint.sh"
1763 HELPER_SPLINTCFG="${TOP_SRCDIR}/splint.cfg"
1764 AC_SUBST(HELPER_SPLINT)
1765 AC_SUBST(HELPER_SPLINTCFG)
1766
1767 mkdir -p ${TOP_OBJDIR}/src/JAVA/libjafs
1768
1769 dnl Check to see if crypt lives in a different library
1770 AC_CHECK_LIB(crypt, crypt, LIB_crypt="-lcrypt")
1771 AC_SUBST(LIB_crypt)
1772
1773 dnl Check to see if the compiler support labels in structs
1774 AC_MSG_CHECKING(for label support in structs)
1775 AC_TRY_COMPILE([], [
1776 extern void osi_UFSOpen(void);
1777 struct labeltest {
1778    void (*open) (void);
1779 };
1780 struct labeltest struct_labeltest = {
1781    .open       = osi_UFSOpen,
1782 }
1783 ],
1784 [AC_MSG_RESULT(yes)
1785  AC_DEFINE(HAVE_STRUCT_LABEL_SUPPORT, 1, [Define to 1 if your compiler supports labels in structs.])
1786 ],
1787 [AC_MSG_RESULT(no)
1788 ])
1789
1790 AC_MSG_CHECKING([checking for dirfd])
1791 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
1792 #ifdef HAVE_DIRENT_H
1793 #include <dirent.h>
1794 #endif
1795 ]],
1796         [[DIR *d = 0; dirfd(d);]])],
1797         [ac_rk_have_dirfd=yes], [ac_rk_have_dirfd=no])
1798 if test "$ac_rk_have_dirfd" = "yes" ; then
1799         AC_DEFINE_UNQUOTED(HAVE_DIRFD, 1, [have a dirfd function/macro])
1800 fi
1801 AC_MSG_RESULT($ac_rk_have_dirfd)
1802
1803 OPENAFS_HAVE_STRUCT_FIELD(DIR, dd_fd, [#include <sys/types.h>
1804 #ifdef HAVE_DIRENT_H
1805 #include <dirent.h>
1806 #endif])
1807
1808 dnl Eventually, this will look for the system one, or for OpenSSL
1809 LIB_hcrypto="-lafshcrypto"
1810 LDFLAGS_hcrypto="-L\$(TOP_LIBDIR)"
1811 AC_SUBST(LIB_hcrypto)
1812 AC_SUBST(LDFLAGS_hcrypto)
1813 ])
1814
1815 AC_DEFUN([SUMMARY], [
1816     # Print a configuration summary
1817 echo
1818 echo "**************************************"
1819 echo configure summary
1820 echo
1821 AS_IF([test $LIB_curses],[
1822 echo "LIB_curses :                $LIB_curses" ],[
1823 echo "XXX LIB_curses  not found! not building scout and afsmonitor!"
1824 ])
1825 echo
1826 echo "**************************************"
1827 ])