configure.in

   1 dnl
   2 dnl  Configuration input file for Squid
   3 dnl
   4 dnl  Duane Wessels, wessels@nlanr.net, February 1996 (autoconf v2.9)
   5 dnl
   6 dnl  $Id: configure.in,v 1.186 2000/05/03 17:15:39 adrian Exp $
   7 dnl
   8 dnl
   9 dnl
  10 AC_INIT(src/main.c)
  11 AC_CONFIG_HEADER(include/autoconf.h)
  12 AC_REVISION($Revision: 1.186 $)dnl
  13 AC_PREFIX_DEFAULT(/usr/local/squid)
  14 AC_CONFIG_AUX_DIR(cfgaux)
  15
  16 AC_CANONICAL_HOST
  17
  18 CRYPTLIB=''
  19 REGEXLIB=''     # -lregex
  20 LIBREGEX=''     # libregex.a
  21
  22 dnl use directory structure of cached as default (hack)
  23 if test "$libexecdir" = '${exec_prefix}/libexec'; then
  24         libexecdir='${bindir}'
  25         localstatedir='${prefix}'
  26
  27 fi
  28
  29 dnl use .exe suffix for executables on cygwin32 platform
  30 case "$host_os" in
  31 cygwin32|os2)
  32         exec_suffix=".exe"
  33         cgi_suffix=".exe"
  34         ;;
  35 *)
  36         exec_suffix=""
  37         cgi_suffix=".cgi"
  38         ;;
  39 esac
  40 AC_SUBST(exec_suffix)
  41 AC_SUBST(cgi_suffix)
  42
  43 if test -z "$CACHE_HTTP_PORT"; then
  44         CACHE_HTTP_PORT="3128"
  45 fi
  46 if test -z "$CACHE_ICP_PORT"; then
  47         CACHE_ICP_PORT="3130"
  48 fi
  49
  50 dnl Subsitutions
  51 AC_SUBST(CACHE_HTTP_PORT)
  52 AC_SUBST(CACHE_ICP_PORT)
  53
  54 AC_DEFINE_UNQUOTED(CONFIG_HOST_TYPE, "$host")
  55
  56 dnl Set default LDFLAGS
  57 if test -z "$LDFLAGS"; then
  58         LDFLAGS="-g"
  59 fi
  60
  61 PRESET_CFLAGS="$CFLAGS"
  62
  63 dnl Check for GNU cc
  64 AC_PROG_CC
  65
  66 dnl Gerben Wierda <Gerben_Wierda@RnA.nl>
  67 case "$host" in
  68     mab-next-nextstep3)
  69         CC="$CC -arch m68k -arch i486 -arch hppa -arch sparc"
  70         ;;
  71 esac
  72
  73 dnl Set Default CFLAGS
  74 if test -z "$PRESET_CFLAGS"; then
  75     if test "$GCC" = "yes"; then
  76         case "$host" in
  77         *-sun-sunos*)
  78             # sunos has too many warnings for this to be useful
  79             # motorola too
  80             ;;
  81         *m88k*)
  82             # Motorola cc/ld does not like -02 but is ok on -O
  83             CFLAGS=`echo $CFLAGS | sed -e 's/-O[0-9]/-O/'`
  84             ;;
  85         *)
  86             CFLAGS="$CFLAGS -Wall"
  87             ;;
  88         esac
  89     else
  90         case "$host" in
  91         *mips-sgi-irix6.*)
  92             # suggested by Rafael Seidl <rafaels@cthulhu.engr.sgi.com>
  93             CFLAGS="$CFLAGS -n32 -mips3 -O3 -OPT:Olimit=0:space=OFF \
  94                 -woff 1009,1014,1048,1110,1116,1185,1188,1204,1230,1233 \
  95                 -Wl,-woff,85,-woff,84,-woff,134 \
  96                 -nostdinc -I/usr/include -D_BSD_SIGNALS"
  97             ;;
  98         alpha-dec-osf4.*)
  99             # Mogul says DEC compilers take both -g and -O2
 100             CFLAGS=`echo $CFLAGS | sed -e 's/-g/-g3/'`
 101             CFLAGS="$CFLAGS -O2"
 102             ;;
 103         *)
 104             ;;
 105         esac
 106     fi
 107 fi
 108
 109 dnl Set LDFLAGS
 110 if test -z "$PRESET_LDFLAGS"; then
 111     if test "$GCC" = "yes"; then
 112         case "$host" in
 113         *)
 114             # nothing
 115             ;;
 116         esac
 117     else
 118         case "$host" in
 119         *mips-sgi-irix6.*)
 120             # suggested by Rafael Seidl <rafaels@cthulhu.engr.sgi.com>
 121             LDFLAGS="-n32 -mips3 -nostdlib -L/usr/lib32"
 122             ;;
 123         esac
 124     fi
 125 fi
 126
 127 dnl Enable optional modules
 128 AC_ARG_ENABLE(dlmalloc,
 129 [  --enable-dlmalloc[=LIB] Compile & use the malloc package by Doug Lea],
 130 [
 131  case "$enableval" in
 132  'yes')
 133     use_dlmalloc="yes"
 134     LIBDLMALLOC="libdlmalloc.a"
 135     LIB_MALLOC="-L../lib -ldlmalloc"
 136     echo "dlmalloc enabled"
 137     ;;
 138  'no')
 139     use_dlmalloc="no"
 140     echo "dlmalloc disabled"
 141     ;;
 142  *) use_dlmalloc="yes"
 143     LIB_MALLOC="$enableval"
 144     echo "dlmalloc enabled with $LIB_MALLOC"
 145  esac
 146 ])
 147 if test "${use_dlmalloc-unset}" = unset; then
 148     case "$host" in
 149         i386-*-solaris2.*)
 150                 echo "Enabling dlmalloc for $host"
 151                 use_dlmalloc="yes"
 152                 ;;
 153     esac
 154 fi
 155 if test "x$ac_cv_enabled_dlmalloc" = "xyes"; then
 156     # Ok. dlmalloc was enabled before, but state may be changed.
 157     # we have to test these again
 158     unset ac_cv_func_mallinfo
 159     unset ac_cv_func_mallocblksize
 160     unset ac_cv_func_free
 161     unset ac_cv_func_realloc
 162     unset ac_cv_func_memalign
 163     unset ac_cv_func_valloc
 164     unset ac_cv_func_pvalloc
 165     unset ac_cv_func_calloc
 166     unset ac_cv_func_cfree
 167     unset ac_cv_func_malloc_trim
 168     unset ac_cv_func_malloc_usable_size
 169     unset ac_cv_func_malloc_stats
 170     unset ac_cv_func_mallinfo
 171     unset ac_cv_func_mallopt
 172     unset ac_cv_lib_gnumalloc
 173     unset ac_cv_header_gnumalloc_h
 174     unset ac_cv_lib_malloc
 175     unset ac_cv_enabled_dlmalloc
 176 fi
 177 if test "$use_dlmalloc" = yes; then
 178     ac_cv_func_mallinfo="yes"
 179     ac_cv_func_mallocblksize="no"
 180     ac_cv_func_free="yes"
 181     ac_cv_func_realloc="yes"
 182     ac_cv_func_memalign="yes"
 183     ac_cv_func_valloc="yes"
 184     ac_cv_func_pvalloc="yes"
 185     ac_cv_func_calloc="yes"
 186     ac_cv_func_cfree="yes"
 187     ac_cv_func_malloc_trim="yes"
 188     ac_cv_func_malloc_usable_size="yes"
 189     ac_cv_func_malloc_stats="yes"
 190     ac_cv_func_mallopt="yes"
 191     ac_cv_lib_gnumalloc="no"
 192     ac_cv_header_gnumalloc_h="no"
 193     ac_cv_lib_malloc="no"
 194     ac_cv_enabled_dlmalloc="yes"
 195 fi
 196
 197 AC_SUBST(LIBDLMALLOC)
 198 AC_SUBST(LIB_MALLOC)
 199
 200 AC_ARG_ENABLE(gnuregex,
 201 [  --enable-gnuregex       Compile GNUregex],
 202 [USE_GNUREGEX=$enableval])
 203
 204 AC_ARG_ENABLE(xmalloc_debug,
 205 [  --enable-xmalloc-debug  Do some simple malloc debugging],
 206 [ if test "$enableval" = "yes" ; then
 207     echo "Malloc debugging enabled"
 208     AC_DEFINE(XMALLOC_DEBUG)
 209   fi
 210 ])
 211
 212 AC_ARG_ENABLE(xmalloc_debug_trace,
 213 [  --enable-xmalloc-debug-trace
 214                           Detailed trace of memory allocations],
 215 [ if test "$enableval" = "yes" ; then
 216     echo "Malloc debug trace enabled"
 217     AC_DEFINE(XMALLOC_TRACE)
 218     AC_DEFINE(XMALLOC_DEBUG)
 219   fi
 220 ])
 221
 222 AC_ARG_ENABLE(xmalloc_statistics,
 223 [  --enable-xmalloc-statistics
 224                           Show malloc statistics in status page],
 225 [ if test "$enableval" = "yes" ; then
 226     echo "Malloc statistics enabled"
 227     AC_DEFINE(XMALLOC_STATISTICS)
 228   fi
 229 ])
 230
 231 AC_ARG_ENABLE(carp,
 232 [  --enable-carp           Enable CARP support],
 233 [ if test "$enableval" = "yes" ; then
 234     echo "CARP support enabled"
 235     AC_DEFINE(USE_CARP)
 236   fi
 237 ])
 238
 239 AC_ARG_ENABLE(async-io,
 240 [  --enable-async-io[=N_THREADS]
 241                           Shorthand for
 242                           --with-aio-threads=N_THREADS
 243                           --with-pthreads
 244                           --enable-storeio=ufs,aufs],
 245 [ case $enableval in
 246   yes)
 247         with_pthreads=yes
 248         STORE_MODULES="ufs aufs"
 249     ;;
 250   no)
 251     ;;
 252   *)
 253         async_io_threads=$enableval
 254         with_pthreads=yes
 255         STORE_MODULES="ufs aufs"
 256     ;;
 257   esac
 258 ])
 259
 260 AC_ARG_WITH(aio-threads,
 261 [  --with-aio-threads=N_THREADS
 262                           Tune the number of worker threads for the aufs object
 263                           store.],
 264 [ async_io_threads=$withval ])
 265 if test "$async_io_threads"; then
 266     echo "With $async_io_threads AIO threads"
 267     with_pthreads=yes
 268     AC_DEFINE_UNQUOTED(ASYNC_IO_THREADS,$async_io_threads)
 269 fi
 270
 271 AC_ARG_WITH(pthreads,
 272 [  --with-pthreads         Use POSIX Threads],
 273 [ if test "$enableval" = "yes"; then
 274     with_pthreads=yes
 275   fi
 276 ])
 277 if test "$with_pthreads"; then
 278     echo "With pthreads"
 279     SQUID_PTHREAD_LIB='$(PTHREADLIB)'
 280     CFLAGS="$CFLAGS -D_REENTRANT"
 281     case "$host" in
 282     i386-unknown-freebsd*)
 283         if test "$GCC" = "yes" ; then
 284             if test -z "$PRESET_LDFLAGS"; then
 285                 LDFLAGS="$LDFLAGS -pthread"
 286             fi
 287         fi
 288     ;;
 289     esac
 290 fi
 291 AC_SUBST(SQUID_PTHREAD_LIB)
 292
 293 AC_ARG_ENABLE(storeio,
 294 [  --enable-storeio=\"list of modules\"
 295                           Build support for the list of store I/O modules.
 296                           The default is only to build the "ufs" module.
 297                           See src/fs for a list of available modules, or
 298                           Programmers Guide section <not yet written>
 299                           for details on how to build your custom store module],
 300 [ case $enableval in
 301   yes)
 302         for module in $srcdir/src/fs/*; do
 303             if test -f $module/Makefile.in; then
 304                 STORE_MODULES="$STORE_MODULES `basename $module`"
 305             fi
 306         done
 307         ;;
 308   no)
 309         ;;
 310   *)    STORE_MODULES="`echo $enableval| sed -e 's/,/ /g;s/  */ /g'`"
 311         ;;
 312   esac
 313 ],
 314 [ if test -z "$STORE_MODULES"; then
 315     STORE_MODULES="ufs"
 316   fi
 317 ])
 318 echo "Store moules built: $STORE_MODULES"
 319 AC_SUBST(STORE_MODULES)
 320 STORE_OBJS="fs/`echo $STORE_MODULES|sed -e's% %.a fs/%g'`.a"
 321 AC_SUBST(STORE_OBJS)
 322
 323 AC_ARG_ENABLE(icmp,
 324 [  --enable-icmp           Enable ICMP pinging],
 325 [ if test "$enableval" = "yes" ; then
 326     echo "ICMP enabled"
 327     AC_DEFINE(USE_ICMP)
 328   fi
 329 ])
 330
 331 AC_ARG_ENABLE(delay_pools,
 332 [  --enable-delay-pools    Enable delay pools to limit bandwith usage],
 333 [ if test "$enableval" = "yes" ; then
 334     echo "Delay pools enabled"
 335     DELAY_OBJS='$(DELAY_OBJS)'
 336     AC_DEFINE(DELAY_POOLS)
 337   fi
 338 ])
 339 AC_SUBST(DELAY_OBJS)
 340
 341 AC_ARG_ENABLE(mem-gen-trace,
 342 [  --enable-mem-gen-trace  Do trace of memory stuff],
 343 [ if test "$enableval" = "yes" ; then
 344     echo "Memory trace (to file) enabled"
 345     AC_DEFINE(MEM_GEN_TRACE)
 346   fi
 347 ])
 348
 349 AC_ARG_ENABLE(useragent_log,
 350 [  --enable-useragent-log  Enable logging of User-Agent header],
 351 [ if test "$enableval" = "yes" ; then
 352     echo "User-Agent logging enabled"
 353     AC_DEFINE(USE_USERAGENT_LOG)
 354   fi
 355 ])
 356
 357 AC_ARG_ENABLE(wccp,
 358 [  --disable-wccp      Disable Web Cache Coordination Protocol],
 359 [ if test "$enableval" = "no" ; then
 360     echo "Web Cache Coordination Protocol disabled"
 361     AC_DEFINE(USE_WCCP, 0)
 362   else
 363     AC_DEFINE(USE_WCCP, 1)
 364   fi
 365 ])
 366
 367 AC_ARG_ENABLE(kill_parent_hack,
 368 [  --enable-kill-parent-hack
 369                           Kill parent on shutdown],
 370 [ if test "$enableval" = "yes" ; then
 371     echo "Kill parent on shutdown"
 372     AC_DEFINE(KILL_PARENT_OPT)
 373   fi
 374 ])
 375
 376 AC_ARG_ENABLE(snmp,
 377 [  --enable-snmp           Enable SNMP monitoring],
 378 [ if test "$enableval" = "yes" ; then
 379     echo "SNMP monitoring enabled"
 380     AC_DEFINE(SQUID_SNMP)
 381     SNMPLIB='-L../snmplib -lsnmp'
 382     SNMP_OBJS='$(SNMP_OBJS)'
 383     SNMP_MAKEFILE=./snmplib/Makefile
 384     makesnmplib=snmplib
 385   fi
 386 ])
 387 AC_SUBST(SNMPLIB)
 388 AC_SUBST(SNMP_OBJS)
 389 AC_SUBST(makesnmplib)
 390
 391 AC_ARG_ENABLE(time_hack,
 392 [  --enable-time-hack      Update internal timestamp only once per second],
 393 [ if test "$enableval" = "yes" ; then
 394     echo "Update internal timestamp only once per second"
 395     AC_DEFINE(ALARM_UPDATES_TIME)
 396   fi
 397 ])
 398
 399 AC_ARG_ENABLE(cachemgr_hostname,
 400 [  --enable-cachemgr-hostname[=hostname]
 401                           Make cachemgr.cgi default to this host],
 402 [  case $enableval in
 403    yes)
 404        AC_DEFINE(CACHEMGR_HOSTNAME,[getfullhostname()])
 405        echo "Cachemgr default hostname == host where cachemgr runs"
 406        ;;
 407    no)
 408        : # Nothing to do..
 409        ;;
 410    *)
 411        AC_DEFINE_UNQUOTED(CACHEMGR_HOSTNAME,"${enableval}")
 412        echo "Cachemgr default hostname set to ${enableval}"
 413        ;;
 414    esac
 415 ])
 416
 417 AC_ARG_ENABLE(arp_acl,
 418 [  --enable-arp-acl        Enable use of ARP ACL lists (ether address)],
 419 [  if test "$enableval" = "yes" ; then
 420      echo "ARP ACL lists enabled (ether address)"
 421      case "$host" in
 422         *-pc-linux-*)
 423             ;;
 424         *)
 425             echo "WARNING: ARP ACL support is only currently supported on Linux"
 426             echo "         ethernet interfaces, probably won't work on $host."
 427             sleep 10
 428             ;;
 429      esac
 430      AC_DEFINE(USE_ARP_ACL)
 431    fi
 432 ])
 433
 434 AC_ARG_ENABLE(htcp,
 435 [  --enable-htcp           Enable HTCP protocol],
 436 [ if test "$enableval" = "yes" ; then
 437     echo "HTCP enabled"
 438     HTCP_OBJS='$(HTCP_OBJS)'
 439     AC_DEFINE(USE_HTCP)
 440   fi
 441 ])
 442 AC_SUBST(HTCP_OBJS)
 443
 444 AC_ARG_ENABLE(forw-via-db,
 445 [  --enable-forw-via-db    Enable Forw/Via database],
 446 [ if test "$enableval" = "yes" ; then
 447     echo "FORW-VIA enabled"
 448     AC_DEFINE(FORW_VIA_DB)
 449   fi
 450 ])
 451
 452 AC_ARG_ENABLE(cache-digests,
 453 [  --enable-cache-digests  Use Cache Digests
 454                           see http://squid.nlanr.net/Squid/FAQ/FAQ-16.html],
 455 [ if test "$enableval" = "yes" ; then
 456     echo "USE_CACHE_DIGESTS enabled"
 457     AC_DEFINE(USE_CACHE_DIGESTS)
 458   fi
 459 ])
 460
 461 dnl Select Error language
 462 AC_ARG_ENABLE(err-language,
 463 [  --enable-err-language=lang
 464                           Select language for Error pages (see errors dir) ],
 465 [
 466     if test -d errors/$enableval; then
 467         ERR_LANGUAGE=$enableval
 468     else
 469         echo "ERROR! Unknown language $enableval, see errors/"
 470         exit 1
 471     fi
 472 ],[ERR_LANGUAGE="English"])
 473 AC_SUBST(ERR_LANGUAGE)
 474
 475 dnl Size of COSS memory buffer
 476 AC_ARG_WITH(coss-membuf-size,
 477 [  --with-coss-membuf-size COSS membuf size (default 1048576 bytes) ],
 478 [  if test "$with_coss_membuf_size"; then
 479       echo "Setting COSS membuf size to $with_coss_membuf_size bytes"
 480       AC_DEFINE_UNQUOTED(COSS_MEMBUF_SZ, $with_coss_membuf_size)
 481    fi
 482 ])
 483
 484 dnl Enable poll()
 485 AC_ARG_ENABLE(poll,
 486 [  --enable-poll           Enable poll() instead of select().  Normally poll
 487                           is preferred over select, but configure knows poll
 488                           is broken on some platforms.  If you think you are
 489                           smarter than the configure script, you may enable
 490                           poll with this option.
 491   --disable-poll          Disable the use of poll().],
 492 [
 493   case "$enableval" in
 494   yes)
 495     echo "Forcing poll() to be enabled"
 496     ac_cv_func_poll='yes'
 497     ;;
 498   no)
 499     echo "Forcing poll() to be disabled"
 500     ac_cv_func_poll='no'
 501     ;;
 502   esac
 503 ])
 504
 505 dnl Disable HTTP violations
 506 AC_ARG_ENABLE(http-violations,
 507 [  --disable-http-violations
 508                           This allows you to remove code which is known to
 509                           violate the HTTP protocol specification.],
 510 [ if test "$enableval" = "no" ; then
 511     echo "Disabling HTTP Violations"
 512     AC_DEFINE(HTTP_VIOLATIONS, 0)
 513   else
 514     AC_DEFINE(HTTP_VIOLATIONS, 1)
 515   fi
 516 ])
 517
 518 dnl Enable IP-Filter Transparent Proxy
 519 AC_ARG_ENABLE(ipf-transparent,
 520 [  --enable-ipf-transparent
 521                           Enable Transparent Proxy support for systems
 522                           using IP-Filter network address redirection.],
 523 [ if test "$enableval" = "yes" ; then
 524         echo "IP-Filter Transparent Proxy enabled"
 525         AC_DEFINE(IPF_TRANSPARENT)
 526         IPF_TRANSPARENT="yes"
 527   fi
 528 ])
 529
 530 dnl Enable Leak Finding Functions
 531 AC_ARG_ENABLE(leakfinder,
 532 [  --enable-leakfinder
 533                           Enable Leak Finding code.  Enabling this alone
 534                           does nothing; you also have to modify the source
 535                           code to use the leak finding functions.  Probably
 536                           Useful for hackers only.],
 537 [ if test "$enableval" = "yes" ; then
 538         echo "Leak-Finding enabled"
 539         AC_DEFINE(USE_LEAKFINDER)
 540         LEAKFINDER_OBJS='$(LEAKFINDER_OBJS)'
 541         USE_LEAKFINDER="yes"
 542   fi
 543 ])
 544 AC_SUBST(LEAKFINDER_OBJS)
 545
 546 dnl Disable HTTP violations
 547 AC_ARG_ENABLE(ident-lookups,
 548 [  --disable-ident-lookups
 549                           This allows you to remove code that performs
 550                           Ident (RFC 931) lookups.],
 551 [ if test "$enableval" = "no" ; then
 552     echo "Disabling Ident Lookups"
 553     AC_DEFINE(USE_IDENT, 0)
 554   else
 555     AC_DEFINE(USE_IDENT, 1)
 556   fi
 557 ])
 558
 559 AC_ARG_ENABLE(internal-dns,
 560 [  --disable-internal-dns  This prevents Squid from directly sending and
 561                           receiving DNS messages, and instead enables the
 562                           old external 'dnsserver' processes.],
 563 [ if test "$enableval" = "no" ; then
 564     echo "Disabling Internal DNS queries"
 565     AC_DEFINE(USE_DNSSERVERS, 1)
 566   else
 567     AC_DEFINE(USE_DNSSERVERS, 0)
 568   fi
 569 ])
 570
 571 AC_ARG_ENABLE(truncate,
 572 [  --enable-truncate       This uses truncate() instead of unlink() when
 573                           removing cache files.  Truncate gives a little
 574                           performance improvement, but may cause problems
 575                           when used with async I/O.  Truncate uses more
 576                           filesystem inodes than unlink..],
 577 [ if test "$enableval" = "yes" ; then
 578     echo "Enabling truncate instead of unlink"
 579     AC_DEFINE(USE_TRUNCATE)
 580   fi
 581 ])
 582
 583 dnl Enable underscore in hostnames
 584 AC_ARG_ENABLE(underscores,
 585 [  --enable-underscores    Squid by default rejects any host names with _
 586                           in their name to conform with internet standars.
 587                           If you disagree with this you may allow _ in
 588                           hostnames by using this switch, provided that
 589                           the resolver library on the host where Squid runs
 590                           does not reject _ in hostnames...],
 591 [ if test "$enableval" = "yes" ; then
 592     echo "Enabling the use of underscores in host names"
 593     AC_DEFINE(ALLOW_HOSTNAME_UNDERSCORES, 1)
 594   fi
 595 ])
 596
 597 dnl Enable HEAP_REPLACEMENT
 598 AC_ARG_ENABLE(heap-replacement,
 599 [  --enable-heap-replacement
 600                           This option allows you to use various cache
 601                           replacement algorithms, instead of the standard
 602                           LRU algorithm.],
 603 [ if test "$enableval" = "yes" ; then
 604     echo "Enabling HEAP_REPLACEMENT"
 605     AC_DEFINE(HEAP_REPLACEMENT, 1)
 606   fi
 607 ])
 608
 609 dnl Select auth modules to build
 610 AUTH_MODULES=
 611 AC_ARG_ENABLE(auth-modules,
 612 [  --enable-auth-modules=\"list of modules\"
 613                           This option selects wich proxy_auth helper modules
 614                           to build and install as part of the normal build
 615                           process. For a list of available modules see
 616                           the auth_modules directory.],
 617 [ case "$enableval" in
 618   yes)
 619     for module in $srcdir/auth_modules/*; do
 620         if test -f $module/Makefile.in; then
 621             AUTH_MODULES="$AUTH_MODULES `basename $module`"
 622         fi
 623     done
 624     ;;
 625   no)
 626     ;;
 627   *)
 628     AUTH_MODULES="`echo $enableval| sed -e 's/,/ /g;s/  */ /g'`"
 629   esac
 630 ])
 631 if test -n "$AUTH_MODULES"; then
 632     echo "Auth moules built: $AUTH_MODULES"
 633 fi
 634 AC_SUBST(AUTH_MODULES)
 635
 636 # Force some compilers to use ANSI features
 637 #
 638 case "$host" in
 639     alpha-dec-osf*)
 640         if test "$ac_cv_prog_CC" = "cc" ; then
 641                 echo "adding '-std1' to cc args for $host"
 642                 CC="cc -std1";
 643                 ac_cv_prog_CC="$CC"
 644         fi
 645         ;;
 646     *-hp-hpux*)
 647         if test "$ac_cv_prog_CC" = "cc" ; then
 648                 echo "adding '-Ae' to cc args for $host"
 649                 CC="cc -Ae";
 650                 ac_cv_prog_CC="$CC"
 651         fi
 652         ;;
 653 esac
 654
 655 dnl Check for programs
 656 AC_PROG_CPP
 657 AC_PROG_INSTALL
 658 AC_PROG_RANLIB
 659 AC_PROG_LN_S
 660 AC_PATH_PROG(SH, sh, /bin/sh)
 661 AC_PATH_PROG(FALSE, false, /usr/bin/false)
 662 AC_PATH_PROG(TRUE, true, /usr/bin/true)
 663 AC_PATH_PROG(RM, rm, $FALSE)
 664 AC_PATH_PROG(MV, mv, $FALSE)
 665 AC_PATH_PROG(MKDIR, mkdir, $FALSE)
 666 AC_PATH_PROG(LN, ln, cp)
 667 AC_PATH_PROG(PERL, perl, /usr/local/bin/perl)
 668 AC_PATH_PROG(MAKEDEPEND, makedepend, $TRUE)
 669 AC_PATH_PROG(AR, ar, $FALSE)
 670
 671 case "$host" in
 672     *-hp-hpux*)
 673         echo "Disabling 'ranlib' for HP-UX..."
 674         RANLIB=":"
 675         ;;
 676 esac
 677
 678 dnl set $(AR)
 679 AR_R="$AR r"
 680 case "$host" in
 681         *-next-nextstep3)
 682                 AR="libtool -o"
 683                 ;;
 684 esac
 685 AC_SUBST(AR_R)
 686
 687 dnl Check for headers
 688 AC_HEADER_DIRENT
 689 AC_HEADER_STDC
 690
 691 AC_CHECK_HEADERS( \
 692         arpa/inet.h \
 693         arpa/nameser.h \
 694         assert.h \
 695         bstring.h \
 696         config.h \
 697         crypt.h \
 698         ctype.h \
 699         errno.h \
 700         fcntl.h \
 701         getopt.h \
 702         gnumalloc.h \
 703         grp.h \
 704         ip_compat.h \
 705         ip_fil.h \
 706         ip_nat.h \
 707         libc.h \
 708         limits.h \
 709         malloc.h \
 710         math.h \
 711         memory.h \
 712         mount.h \
 713         net/if.h \
 714         netdb.h \
 715         netinet/if_ether.h \
 716         netinet/in.h \
 717         netinet/tcp.h \
 718         netinet/ip_compat.h \
 719         netinet/ip_fil.h \
 720         netinet/ip_nat.h \
 721         poll.h \
 722         pwd.h \
 723         regex.h \
 724         resolv.h \
 725         sched.h \
 726         signal.h \
 727         stdarg.h \
 728         stddef.h \
 729         stdio.h \
 730         stdlib.h \
 731         string.h \
 732         strings.h \
 733         sys/file.h \
 734         sys/ioctl.h \
 735         sys/mount.h \
 736         sys/msg.h \
 737         sys/param.h \
 738         sys/resource.h \
 739         sys/select.h\
 740         sys/socket.h \
 741         sys/stat.h \
 742         sys/statvfs.h \
 743         sys/vfs.h \
 744         sys/syscall.h \
 745         sys/time.h \
 746         sys/types.h \
 747         sys/un.h \
 748         sys/vfs.h \
 749         sys/wait.h \
 750         syslog.h \
 751         time.h \
 752         unistd.h \
 753         varargs.h \
 754 )
 755
 756 AC_C_CONST
 757 AC_C_BIGENDIAN
 758
 759 AC_CACHE_CHECK(if ANSI prototypes work,ac_cv_have_ansi_prototypes, [
 760   AC_TRY_COMPILE([int foo(char *); int foo (char *bar) {return 1;}],
 761     [foo("bar")],
 762     ac_cv_have_ansi_prototypes="yes",
 763     ac_cv_have_ansi_prototypes="no")
 764 ])
 765 if test $ac_cv_have_ansi_prototypes = "yes" ; then
 766   AC_DEFINE(HAVE_ANSI_PROTOTYPES)
 767 fi
 768
 769 AC_CACHE_CHECK(for tm->tm_gmtoff,ac_cv_have_tm_gmoff, [
 770   AC_TRY_COMPILE([#include <time.h>
 771 #include <sys/time.h>],
 772     [struct tm foo;
 773       foo.tm_gmtoff = 0;],
 774     ac_cv_have_tm_gmoff="yes",
 775     ac_cv_have_tm_gmoff="no")
 776 ])
 777 if test $ac_cv_have_tm_gmoff = "yes" ; then
 778   AC_DEFINE(HAVE_TM_GMTOFF)
 779 fi
 780
 781 AC_CACHE_CHECK(for struct mallinfo,ac_cv_have_struct_mallinfo, [
 782   AC_TRY_COMPILE([#include <sys/types.h>
 783 #if HAVE_MALLOC_H
 784 #include <malloc.h>
 785 #endif],
 786     [struct mallinfo foo;
 787     foo.arena = 0;
 788     foo.ordblks = 0;
 789     foo.smblks = 0;
 790     foo.hblks = 0;
 791     foo.hblkhd = 0;
 792     foo.uordblks = 0;
 793     foo.fordblks = 0;
 794     foo.keepcost = 0;],
 795     ac_cv_have_struct_mallinfo="yes",
 796     ac_cv_have_struct_mallinfo="no")
 797 ])
 798 if test $ac_cv_have_struct_mallinfo = "yes" ; then
 799   AC_DEFINE(HAVE_STRUCT_MALLINFO)
 800 fi
 801
 802 AC_CACHE_CHECK(for extended mallinfo,ac_cv_have_ext_mallinfo, [
 803   AC_TRY_COMPILE([#include <sys/types.h>
 804 #include <malloc.h>],
 805     [struct mallinfo foo;
 806       foo.mxfast = 0;],
 807     ac_cv_have_ext_mallinfo="yes",
 808     ac_cv_have_ext_mallinfo="no")
 809 ])
 810 if test $ac_cv_have_ext_mallinfo = "yes" ; then
 811   AC_DEFINE(HAVE_EXT_MALLINFO)
 812 fi
 813
 814 AC_CACHE_CHECK(for struct rusage,ac_cv_have_struct_rusage, [
 815   AC_TRY_COMPILE([
 816 #if HAVE_SYS_TIME_H
 817 #include <sys/time.h>
 818 #endif
 819 #if HAVE_SYS_RESOURCE_H
 820 #include <sys/resource.h>
 821 #endif],
 822     [struct rusage R;],
 823     ac_cv_have_struct_rusage="yes",
 824     ac_cv_have_struct_rusage="no")
 825 ])
 826 if test $ac_cv_have_struct_rusage = "yes" ; then
 827   AC_DEFINE(HAVE_STRUCT_RUSAGE)
 828 fi
 829
 830 AC_CACHE_CHECK(for ip->ip_hl, ac_cv_have_ip_hl, [
 831   AC_TRY_COMPILE([#include <sys/types.h>
 832 #include <netinet/in.h>
 833 #include <netinet/in_systm.h>
 834 #include <netinet/ip.h>
 835 #ifdef __linux__
 836 #define ip_hl ihl
 837 #endif
 838 #ifndef __linux__
 839 #define iphdr ip
 840 #endif],
 841     [struct iphdr ip;
 842       ip.ip_hl= 0;],
 843     ac_cv_have_ip_hl="yes",
 844     ac_cv_have_ip_hl="no")
 845 ])
 846 if test $ac_cv_have_ip_hl = "yes" ; then
 847   AC_DEFINE(HAVE_IP_HL)
 848 fi
 849
 850 dnl Check for typedefs
 851 AC_CHECK_SIZEOF(int)
 852 AC_CHECK_SIZEOF(long)
 853 AC_CHECK_SIZEOF(void *)
 854
 855 dnl Check for special functions
 856 AC_FUNC_ALLOCA
 857
 858 AC_CHECK_TYPE(pid_t, int)
 859 AC_CHECK_TYPE(size_t, unsigned int)
 860 AC_CHECK_TYPE(ssize_t, int)
 861 AC_CHECK_TYPE(off_t, int)
 862 AC_CHECK_TYPE(mode_t, u_short)
 863 AC_CHECK_TYPE(fd_mask, int)
 864 AC_CHECK_TYPE(mtyp_t, long)
 865
 866 dnl Check for type in sys/socket.h
 867 AC_CACHE_CHECK(for socklen_t, ac_cv_type_socklen_t, [
 868   AC_EGREP_CPP([socklen_t[^a-zA-Z_0-9]], [#include <sys/types.h>
 869 #include <sys/socket.h>
 870 #if STDC_HEADERS
 871 #include <stdlib.h>
 872 #include <stddef.h>
 873 #endif],
 874     ac_cv_type_socklen_t=yes,
 875     ac_cv_type_socklen_t=no)
 876 ])
 877 if test $ac_cv_type_socklen_t = no; then
 878   AC_DEFINE(socklen_t, int)
 879 fi
 880
 881 dnl Check for needed libraries
 882 AC_CHECK_LIB(nsl, main)
 883 AC_CHECK_LIB(socket, main)
 884
 885 if test "x$ac_cv_enabled_dlmalloc" = "xyes" ; then
 886   echo "skipping libmalloc check (--enable-dlmalloc specified)"
 887 else
 888   AC_CHECK_LIB(gnumalloc, main)
 889   if test "$ac_cv_lib_gnumalloc_main" = "yes"; then
 890                 echo "Disabling extended malloc functions when using gnumalloc"
 891                 ac_cv_func_mallinfo=no
 892                 ac_cv_func_mallocblksize=no
 893                 ac_cv_func_mallopt=no
 894   else
 895                 case "$host" in
 896                         *-sun-solaris*)
 897                           echo "skipping libmalloc check for $host"
 898                                 ;;
 899                         i386-*-freebsd*)
 900                           echo "skipping libmalloc check for $host"
 901                                 ;;
 902                         *)
 903
 904                                 AC_CHECK_LIB(malloc, main)
 905                                 ;;
 906                 esac
 907   fi
 908 fi
 909
 910 AC_CHECK_LIB(bsd, main)
 911 AC_CHECK_LIB(regex, main, [REGEXLIB="-lregex"])
 912 AC_CHECK_LIB(bind, gethostbyname)
 913 if test $ac_cv_lib_bind_gethostbyname = "no" ; then
 914     case "$host" in
 915         i386-*-freebsd*)
 916                 echo "skipping libresolv checks for $host"
 917                 ;;
 918         *)
 919                 AC_CHECK_LIB(resolv, inet_aton, AC_CHECK_LIB(44bsd, inet_aton))
 920                 AC_CHECK_LIB(resolv, main)
 921                 ;;
 922     esac
 923 fi
 924 AC_CHECK_LIB(m, main)
 925
 926 dnl Check for libcrypt
 927 dnl We use crypt(3) which may be in libc, or in libcrypt (eg FreeBSD)
 928 AC_CHECK_LIB(crypt, crypt)
 929 if test $ac_cv_lib_crypt_crypt = "yes"; then
 930   CRYPTLIB="-lcrypt"
 931 fi
 932 AC_SUBST(CRYPTLIB)
 933
 934 dnl Check for pthreads
 935 dnl We use pthreads when doing ASYNC I/O
 936 AC_CHECK_LIB(pthread, main)
 937 if test $ac_cv_lib_pthread_main = "yes"; then
 938   PTHREADLIB="-lpthread"
 939 fi
 940 AC_SUBST(PTHREADLIB)
 941
 942 dnl -lintl is needed on SCO version 3.2v4.2 for strftime()
 943 dnl Robert Side <rside@aiinc.bc.ca>
 944 dnl Mon, 18 Jan 1999 17:48:00 GMT
 945 case "$host" in
 946         *-pc-sco3.2*)
 947                 AC_CHECK_LIB(intl, strftime)
 948                 ;;
 949 esac
 950
 951 dnl System-specific library modifications
 952 dnl
 953 case "$host" in
 954         i386-*-solaris2.*)
 955                 if test "$GCC" = "yes"; then
 956                         echo "Removing -O for gcc on $host"
 957                         CFLAGS="`echo $CFLAGS | sed -e 's/-O[[0-9]]*//'`"
 958                 fi
 959                 ;;
 960         *-sgi-irix*)
 961                 echo "Removing -lsocket for IRIX..."
 962                 LIBS=`echo $LIBS | sed -e s/-lsocket//`
 963                 echo "Removing -lnsl for IRIX..."
 964                 LIBS=`echo $LIBS | sed -e s/-lnsl//`
 965                 ac_cv_lib_nsl_main=no
 966                 echo "Removing -lbsd for IRIX..."
 967                 LIBS=`echo $LIBS | sed -e s/-lbsd//`
 968                 ;;
 969 dnl From: c0032033@ws.rz.tu-bs.de (Joerg Schumacher)
 970 dnl Date: Thu, 17 Oct 1996 04:09:30 +0200
 971 dnl Please change your configure script.  AIX doesn't need -lbsd.
 972         *-ibm-aix*)
 973                 echo "Removing -lbsd for AIX..."
 974                 LIBS=`echo $LIBS | sed -e s/-lbsd//`
 975 dnl From: mlaster@metavillage.com (Mike Laster)
 976 dnl AIX 4.1.4.x does not have header files for snprintf/vsnprintf
 977 dnl So using the internal versions generates a load of warnings
 978 dnl during compile.
 979                 echo "disabling snprintf/vsnprintf for $host"
 980                 ac_cv_func_snprintf=no
 981                 ac_cv_func_vsnprintf=no
 982                 ;;
 983         *m88k*)
 984                 CFLAGS="$CFLAGS -D_SQUID_MOTOROLA_"
 985                 AC_DEFINE(GETTIMEOFDAY_NO_TZP)
 986                 ;;
 987         [*-*-solaris2.[0-4]])
 988                 AC_DEFINE(GETTIMEOFDAY_NO_TZP)
 989                 ;;
 990         [*-sony-newsos[56]*])
 991                 AC_DEFINE(GETTIMEOFDAY_NO_TZP)
 992                 ;;
 993 esac
 994
 995 # Recommended by Balint Nagy Endre <bne@CareNet.hu>
 996 case "$host" in
 997         *-univel-sysv4.2MP)
 998                 if test `uname -v` = "2.03"; then
 999                         echo "disabling mallinfo for $host"
1000                         ac_cv_func_mallinfo=no
1001                 fi
1002                 ;;
1003 esac
1004
1005 dnl This has to be before AC_CHECK_FUNCS
1006 # Disable poll() on certain platforms. Override by setting ac_cv_func_poll
1007 # when running configure.
1008 if test -z "$ac_cv_func_poll"; then
1009         case "$host" in
1010                 [alpha-dec-osf3.*])
1011                         # John Kay (jkay@nlanr.net) 19970818
1012                         echo "disabling poll for $host..."
1013                         ac_cv_func_poll='no'
1014                         ;;
1015                 [*-hp-hpux*.*])
1016                         # Duane Wessels
1017                         echo "disabling poll for $host..."
1018                         ac_cv_func_poll='no'
1019                         ;;
1020                 [*-linux-*])
1021                         # Henrik Nordstrom (hno@hem.passagen.se) 19980817
1022                         # poll is problematic on Linux.  We disable it
1023                         # by default until Linux gets it right.
1024                         rev=`uname -r | awk -F. '{printf "%03d%03d",$1,$2}'`
1025                         if test $rev -lt 002002; then
1026                             echo "disabling poll for $host < 2.2..."
1027                             ac_cv_func_poll='no'
1028                         fi
1029                         ;;
1030                 [powerpc-ibm-aix4.1.*])
1031                         # Mike Laster (mlaster@metavillage.com) 19981021
1032                         echo "disabling poll for $host..."
1033                         ac_cv_func_poll='no'
1034                         ;;
1035                 [*-pc-sco3.2*])
1036                         # Robert Side <rside@aiinc.bc.ca>
1037                         # Mon, 18 Jan 1999 17:48:00 GMT
1038                         echo "disabling poll for $host..."
1039                         ac_cv_func_poll='no'
1040                         ;;
1041         esac
1042 fi
1043
1044 dnl Check for library functions
1045 AC_CHECK_FUNCS(\
1046         bcopy \
1047         crypt \
1048         fchmod \
1049         getdtablesize \
1050         getpagesize \
1051         getrusage \
1052         getspnam \
1053         lrand48 \
1054         mallinfo \
1055         mallocblksize \
1056         mallopt \
1057         memcpy \
1058         memmove \
1059         memset \
1060         mktime \
1061         mstats \
1062         poll \
1063         pthread_attr_setscope \
1064         pthread_setschedparam \
1065         pthread_attr_setschedparam \
1066         putenv \
1067         random \
1068         regcomp \
1069         regexec \
1070         regfree \
1071         res_init \
1072         rint \
1073         seteuid \
1074         setgroups \
1075         setpgrp \
1076         setrlimit \
1077         getrlimit \
1078         setsid \
1079         sigaction \
1080         snprintf \
1081         srand48 \
1082         srandom \
1083         statfs \
1084         sysconf \
1085         syslog \
1086         timegm \
1087         vsnprintf \
1088 )
1089
1090 dnl Yay!  Another Linux brokenness.  Its not good enough
1091 dnl to know that setresuid() exists, because RedHat 5.0 declares
1092 dnl setresuid() but doesn't implement it.
1093 dnl
1094 AC_CACHE_CHECK(if setresuid is implemented, ac_cv_func_setresuid,
1095   AC_TRY_RUN([
1096 #include <stdlib.h>
1097   int main() {
1098     if(setresuid(-1,-1,-1)) {
1099       perror("setresuid:");
1100       exit(1);
1101     }
1102     exit(0);
1103   }
1104   ],ac_cv_func_setresuid="yes",ac_cv_func_setresuid="no")
1105 )
1106 if test "$ac_cv_func_setresuid" = "yes" ; then
1107   AC_DEFINE(HAVE_SETRESUID)
1108 fi
1109
1110 dnl IP-Filter support requires ipf header files. These aren't
1111 dnl installed by default, so we need to check for them
1112 if test "$IPF_TRANSPARENT" ; then
1113     AC_MSG_CHECKING(if IP-Filter header files are installed)
1114     if test "$ac_cv_header_ip_compat_h" = "yes" &&
1115        test "$ac_cv_header_ip_fil_h" = "yes" &&
1116        test "$ac_cv_header_ip_nat_h" = "yes" ; then
1117         IPF_TRANSPARENT="yes"
1118         AC_DEFINE(IPF_TRANSPARENT, 1)
1119     elif test "$ac_cv_header_netinet_ip_compat_h" = "yes" &&
1120          test "$ac_cv_header_netinet_ip_fil_h" = "yes" &&
1121          test "$ac_cv_header_netinet_ip_nat_h" = "yes" ; then
1122         IPF_TRANSPARENT="yes"
1123         AC_DEFINE(IPF_TRANSPARENT, 1)
1124     else
1125         IPF_TRANSPARENT="no"
1126         AC_DEFINE(IPF_TRANSPARENT, 0)
1127     fi
1128     AC_MSG_RESULT($IPF_TRANSPARENT)
1129 fi
1130 if test "$IPF_TRANSPARENT" = "no" ; then
1131     echo "WARNING: Cannot find necessary IP-Filter header files"
1132     echo "         Transparent Proxy support WILL NOT be enabled"
1133     sleep 10
1134 fi
1135
1136 if test -z "$USE_GNUREGEX" ; then
1137     case "$host" in
1138     *-sun-solaris2.[[0-4]])
1139           USE_GNUREGEX="yes"
1140           ;;
1141     *-next-nextstep*)
1142           USE_GNUREGEX="yes"
1143           ;;
1144     esac
1145 fi
1146 AC_MSG_CHECKING(if GNUregex needs to be compiled)
1147 if test -z "$USE_GNUREGEX"; then
1148 if test "$ac_cv_func_regcomp" = "no" || test "$USE_GNUREGEX" = "yes" ; then
1149         USE_GNUREGEX="yes"
1150 else
1151         AC_TRY_COMPILE([#include <sys/types.h>
1152 #include <regex.h>],[regex_t t; regcomp(&t,"",0);],
1153                 USE_GNUREGEX="no",
1154                 USE_GNUREGEX="yes")
1155 fi
1156 fi
1157 AC_MSG_RESULT($USE_GNUREGEX)
1158 if test "$USE_GNUREGEX" = "yes"; then
1159         REGEXLIB="-lregex"
1160         LIBREGEX="libregex.a"
1161         AC_DEFINE(USE_GNUREGEX)
1162 fi
1163 AC_SUBST(REGEXLIB)
1164 AC_SUBST(LIBREGEX)
1165
1166 AC_REPLACE_FUNCS(\
1167         drand48 \
1168         tempnam \
1169         strerror \
1170 )
1171
1172 dnl Not cached since people are likely to tune this
1173 AC_MSG_CHECKING(Default FD_SETSIZE value)
1174 AC_TRY_RUN([
1175 #if HAVE_STDIO_H
1176 #include <stdio.h>
1177 #endif
1178 #if HAVE_UNISTD_H
1179 #include <unistd.h>
1180 #endif
1181 #if HAVE_SYS_TIME_H
1182 #include <sys/time.h>
1183 #endif
1184 #if HAVE_SYS_SELECT_H
1185 #include <sys/select.h>
1186 #endif
1187 #if HAVE_SYS_TYPES_H
1188 #include <sys/types.h>
1189 #endif
1190 main() {
1191         FILE *fp = fopen("conftestval", "w");
1192         fprintf (fp, "%d\n", FD_SETSIZE);
1193         exit(0);
1194 }
1195 ],
1196 DEFAULT_FD_SETSIZE=`cat conftestval`,
1197 DEFAULT_FD_SETSIZE=256,
1198 DEFAULT_FD_SETSIZE=256)
1199 AC_MSG_RESULT($DEFAULT_FD_SETSIZE)
1200 AC_DEFINE_UNQUOTED(DEFAULT_FD_SETSIZE, $DEFAULT_FD_SETSIZE)
1201
1202 dnl Not cached since people are likely to tune this
1203 AC_MSG_CHECKING(Maximum number of filedescriptors we can open)
1204 dnl damn! FreeBSD's pthreads breaks dup2().
1205 TLDFLAGS="$LDFLAGS"
1206 case $host in
1207 i386-unknown-freebsd*)
1208     if echo "$LDFLAGS" | grep -q pthread; then
1209         LDFLAGS=`echo $LDFLAGS | sed -e "s/-pthread//"`
1210     fi
1211 esac
1212 AC_TRY_RUN([
1213 #include <stdio.h>
1214 #include <unistd.h>
1215 #include <sys/time.h>   /* needed on FreeBSD */
1216 #include <sys/param.h>
1217 #include <sys/resource.h>
1218 main() {
1219         FILE *fp;
1220         int i,j;
1221 #if __CYGWIN32__
1222     /* getrlimit and sysconf returns bogous values on cygwin32.
1223      * Number of fds is virtually unlimited in cygwin (sys/param.h)
1224      */
1225     i = NOFILE;
1226 #elif HAVE_SETRLIMIT
1227     struct rlimit rl;
1228 #if defined(RLIMIT_NOFILE)
1229     if (getrlimit(RLIMIT_NOFILE, &rl) < 0) {
1230         perror("getrlimit: RLIMIT_NOFILE");
1231     } else {
1232         rl.rlim_cur = rl.rlim_max;      /* set it to the max */
1233         if (setrlimit(RLIMIT_NOFILE, &rl) < 0) {
1234             perror("setrlimit: RLIMIT_NOFILE");
1235         }
1236     }
1237 #elif defined(RLIMIT_OFILE)
1238     if (getrlimit(RLIMIT_OFILE, &rl) < 0) {
1239         perror("getrlimit: RLIMIT_OFILE");
1240     } else {
1241         rl.rlim_cur = rl.rlim_max;      /* set it to the max */
1242         if (setrlimit(RLIMIT_OFILE, &rl) < 0) {
1243             perror("setrlimit: RLIMIT_OFILE");
1244         }
1245     }
1246 #endif /* RLIMIT_NOFILE */
1247 #endif /* HAVE_SETRLIMIT */
1248         /* by starting at 2^14, we will never get higher
1249         than 2^15 for SQUID_MAXFD */
1250         i = j = 1<<14;
1251         while (j) {
1252                 j >>= 1;
1253                 if (dup2(0, i) < 0) {
1254                         i -= j;
1255                 } else {
1256                         close(i);
1257                         i += j;
1258                 }
1259         }
1260         i++;
1261         fp = fopen("conftestval", "w");
1262         fprintf (fp, "%d\n", i);
1263         exit(0);
1264 }
1265 ],
1266 SQUID_MAXFD=`cat conftestval`,
1267 SQUID_MAXFD=256,
1268 SQUID_MAXFD=256)
1269 AC_MSG_RESULT($SQUID_MAXFD)
1270 AC_DEFINE_UNQUOTED(SQUID_MAXFD, $SQUID_MAXFD)
1271 if test "$SQUID_MAXFD" -lt 512 ; then
1272     echo "WARNING: $SQUID_MAXFD may not be enough filedescriptors if your"
1273     echo "         cache will be very busy.  Please see the FAQ page"
1274     echo "         http://squid.nlanr.net/Squid/FAQ/FAQ-11.html#filedescriptors"
1275     echo "         on how to increase your filedescriptor limit"
1276     sleep 10
1277 fi
1278 LDFLAGS="$TLDFLAGS"
1279
1280 dnl Not cached since people are likely to tune this
1281 AC_MSG_CHECKING(Default UDP send buffer size)
1282 AC_TRY_RUN([
1283 #include <stdlib.h>
1284 #include <stdio.h>
1285 #include <sys/types.h>
1286 #include <sys/socket.h>
1287 #include <netinet/in.h>
1288 main ()
1289 {
1290         FILE *fp;
1291         int fd,val=0,len=sizeof(int);
1292         if ((fd = socket(AF_INET, SOCK_DGRAM, 0)) < 0) exit(1);
1293         if (getsockopt(fd, SOL_SOCKET, SO_SNDBUF, &val, &len) < 0) exit(1);
1294         if (val<=0) exit(1);
1295         fp = fopen("conftestval", "w");
1296         fprintf (fp, "%d\n", val);
1297         exit(0);
1298 }
1299 ],
1300 SQUID_UDP_SO_SNDBUF=`cat conftestval`,
1301 SQUID_UDP_SO_SNDBUF=16384,
1302 SQUID_UDP_SO_SNDBUF=16384)
1303 AC_MSG_RESULT($SQUID_UDP_SO_SNDBUF)
1304 AC_DEFINE_UNQUOTED(SQUID_UDP_SO_SNDBUF, $SQUID_UDP_SO_SNDBUF)
1305
1306 dnl Not cached since people are likely to tune this
1307 AC_MSG_CHECKING(Default UDP receive buffer size)
1308 AC_TRY_RUN([
1309 #include <stdlib.h>
1310 #include <stdio.h>
1311 #include <sys/types.h>
1312 #include <sys/socket.h>
1313 #include <netinet/in.h>
1314 main ()
1315 {
1316         FILE *fp;
1317         int fd,val=0,len=sizeof(int);
1318         if ((fd = socket(AF_INET, SOCK_DGRAM, 0)) < 0) exit(1);
1319         if (getsockopt(fd, SOL_SOCKET, SO_RCVBUF, &val, &len) < 0) exit(1);
1320         if (val <= 0) exit(1);
1321         fp = fopen("conftestval", "w");
1322         fprintf (fp, "%d\n", val);
1323         exit(0);
1324 }
1325 ],
1326 SQUID_UDP_SO_RCVBUF=`cat conftestval`,
1327 SQUID_UDP_SO_RCVBUF=16384,
1328 SQUID_UDP_SO_RCVBUF=16384)
1329 AC_MSG_RESULT($SQUID_UDP_SO_RCVBUF)
1330 AC_DEFINE_UNQUOTED(SQUID_UDP_SO_RCVBUF, $SQUID_UDP_SO_RCVBUF)
1331
1332 dnl Not cached since people are likely to tune this
1333 AC_MSG_CHECKING(Default TCP send buffer size)
1334 AC_TRY_RUN([
1335 #include <stdlib.h>
1336 #include <stdio.h>
1337 #include <sys/types.h>
1338 #include <sys/socket.h>
1339 #include <netinet/in.h>
1340 main ()
1341 {
1342         FILE *fp;
1343         int fd,val=0,len=sizeof(int);
1344         if ((fd = socket(AF_INET, SOCK_STREAM, 0)) < 0) exit(1);
1345         if (getsockopt(fd, SOL_SOCKET, SO_SNDBUF, &val, &len) < 0) exit(1);
1346         if (val <= 0) exit(1);
1347         fp = fopen("conftestval", "w");
1348         fprintf (fp, "%d\n", val);
1349         exit(0);
1350 }
1351 ],
1352 SQUID_TCP_SO_SNDBUF=`cat conftestval`,
1353 SQUID_TCP_SO_SNDBUF=16384,
1354 SQUID_TCP_SO_SNDBUF=16384)
1355 AC_MSG_RESULT($SQUID_TCP_SO_SNDBUF)
1356 AC_DEFINE_UNQUOTED(SQUID_TCP_SO_SNDBUF, $SQUID_TCP_SO_SNDBUF)
1357
1358 dnl Not cached since people are likely to tune this
1359 AC_MSG_CHECKING(Default TCP receive buffer size)
1360 AC_TRY_RUN([
1361 #include <stdlib.h>
1362 #include <stdio.h>
1363 #include <sys/types.h>
1364 #include <sys/socket.h>
1365 #include <netinet/in.h>
1366 main ()
1367 {
1368         FILE *fp;
1369         int fd,val=0,len=sizeof(int);
1370         if ((fd = socket(AF_INET, SOCK_STREAM, 0)) < 0) exit(1);
1371         if (getsockopt(fd, SOL_SOCKET, SO_RCVBUF, &val, &len) < 0) exit(1);
1372         if (val <= 0) exit(1);
1373         fp = fopen("conftestval", "w");
1374         fprintf (fp, "%d\n", val);
1375         exit(0);
1376 }
1377 ],
1378 SQUID_TCP_SO_RCVBUF=`cat conftestval`,
1379 SQUID_TCP_SO_RCVBUF=16384,
1380 SQUID_TCP_SO_RCVBUF=16384)
1381 AC_MSG_RESULT($SQUID_TCP_SO_RCVBUF)
1382 AC_DEFINE_UNQUOTED(SQUID_TCP_SO_RCVBUF, $SQUID_TCP_SO_RCVBUF)
1383
1384 AC_CACHE_CHECK(if sys_errlist is already defined, ac_cv_needs_sys_errlist,
1385   AC_TRY_COMPILE([#include <stdio.h>],[char *s = sys_errlist;],
1386     ac_cv_needs_sys_errlist="no",
1387     ac_cv_needs_sys_errlist="yes")
1388 )
1389 if test "$ac_cv_needs_sys_errlist" = "yes" ; then
1390   AC_DEFINE(NEED_SYS_ERRLIST)
1391 fi
1392
1393 dnl Not cached since people are likely to change this
1394 AC_MSG_CHECKING(for libresolv _dns_ttl_ hack)
1395 AC_TRY_LINK(extern int _dns_ttl_;,return _dns_ttl_;,
1396 [AC_MSG_RESULT(yes)
1397 AC_DEFINE(LIBRESOLV_DNS_TTL_HACK)],
1398 AC_MSG_RESULT(no))
1399
1400 AC_MSG_CHECKING(if inet_ntoa() actually works)
1401 AC_TRY_RUN([
1402 #include <stdlib.h>
1403 #include <stdio.h>
1404 #include <sys/types.h>
1405 #include <netinet/in.h>
1406 #include <arpa/inet.h>
1407 main ()
1408 {
1409         FILE *fp;
1410         struct in_addr in;
1411         in.s_addr = inet_addr("1.2.3.4");
1412         fp = fopen("conftestval", "w");
1413         fprintf (fp, "%s\n", inet_ntoa(in));
1414         exit(0);
1415 }
1416 ],
1417 INET_NTOA_RESULT=`cat conftestval`,
1418 INET_NTOA_RESULT="broken",
1419 INET_NTOA_RESULT="broken")
1420 if test "$INET_NTOA_RESULT" = "1.2.3.4" ; then
1421         AC_MSG_RESULT("yes")
1422 else
1423         AC_MSG_RESULT("no")
1424         echo "Will use our own inet_ntoa()."
1425         LIBOBJS="$LIBOBJS inet_ntoa.o"
1426 #       echo "WARNING: This looks bad, and probably prevents Squid from working."
1427 #       echo "         If you're on IRIX and using GCC 2.8, you probably need"
1428 #       echo "         to use the IRIX C compiler instead."
1429 #       sleep 10
1430 fi
1431
1432 if test "$ac_cv_header_sys_statvfs_h" = "yes" ; then
1433 AC_MSG_CHECKING(for working statvfs() interface)
1434 AC_TRY_COMPILE([
1435 #include <stdlib.h>
1436 #include <stdio.h>
1437 #include <sys/types.h>
1438 #include <sys/statvfs.h>
1439 ],
1440 [
1441 struct statvfs sfs;
1442 sfs.f_blocks = sfs.f_bfree = sfs.f_frsize =
1443 sfs.f_files = sfs.f_ffree = 0;
1444 statvfs("/tmp", &sfs);
1445 ],
1446   ac_cv_func_statvfs=yes,
1447   ac_cv_func_statvfs=no)
1448 AC_MSG_RESULT($ac_cv_func_statvfs)
1449 if test "$ac_cv_func_statvfs" = "yes" ; then
1450   AC_DEFINE(HAVE_STATVFS)
1451 fi
1452 fi
1453
1454 AC_CACHE_CHECK(for _res.nsaddr_list, ac_cv_have_res_nsaddr_list,
1455 AC_TRY_COMPILE([
1456 #if HAVE_SYS_TYPES_H
1457 #include <sys/types.h>
1458 #endif
1459 #if HAVE_NETINET_IN_H
1460 #include <netinet/in.h>
1461 #endif
1462 #if HAVE_ARPA_INET_H
1463 #include <arpa/inet.h>
1464 #endif
1465 #if HAVE_ARPA_NAMESER_H
1466 #include <arpa/nameser.h>
1467 #endif
1468 #if HAVE_RESOLV_H
1469 #include <resolv.h>
1470 #endif
1471 ],
1472 [_res.nsaddr_list[[0]];],
1473 ac_cv_have_res_nsaddr_list="yes",
1474 ac_cv_have_res_nsaddr_list="no"))
1475 if test $ac_cv_have_res_nsaddr_list = "yes" ; then
1476   AC_DEFINE(HAVE_RES_NSADDR_LIST)
1477 fi
1478
1479 if test $ac_cv_have_res_nsaddr_list = "no" ; then
1480 AC_CACHE_CHECK(for _res.ns_list, ac_cv_have_res_ns_list,
1481 AC_TRY_COMPILE([
1482 #if HAVE_SYS_TYPES_H
1483 #include <sys/types.h>
1484 #endif
1485 #if HAVE_NETINET_IN_H
1486 #include <netinet/in.h>
1487 #endif
1488 #if HAVE_ARPA_INET_H
1489 #include <arpa/inet.h>
1490 #endif
1491 #if HAVE_ARPA_NAMESER_H
1492 #include <arpa/nameser.h>
1493 #endif
1494 #if HAVE_RESOLV_H
1495 #include <resolv.h>
1496 #endif
1497 ],
1498 [_res.ns_list[[0]].addr;],
1499 ac_cv_have_res_ns_list="yes",
1500 ac_cv_have_res_ns_list="no"))
1501 if test $ac_cv_have_res_ns_list = "yes" ; then
1502   AC_DEFINE(HAVE_RES_NS_LIST)
1503 fi
1504 fi
1505
1506 dnl Need the debugging version of malloc if available
1507 XTRA_OBJS=''
1508 if test "$ac_cv_lib_malloc_main" = "yes" ; then
1509         if test -r /usr/lib/debug/malloc.o ; then
1510                 XTRA_OBJS="$XTRA_OBJS /usr/lib/debug/malloc.o"
1511         fi
1512         if test -r /usr/lib/debug/mallocmap.o ; then
1513                 XTRA_OBJS="$XTRA_OBJS /usr/lib/debug/mallocmap.o"
1514         fi
1515 fi
1516
1517 AC_SUBST(XTRA_OBJS)
1518
1519 if test -z "$XTRA_LIBS"; then
1520         XTRA_LIBS="$LIBS"
1521         dnl -lcrypt is set in CRYPTLIB
1522         XTRA_LIBS=`echo $XTRA_LIBS | sed -e "s/-lcrypt//"`
1523         dnl -lpthread is set in PTHREADLIB
1524         XTRA_LIBS=`echo $XTRA_LIBS | sed -e "s/-lpthread//"`
1525         dnl minor cleanup
1526         XTRA_LIBS=`echo $XTRA_LIBS | sed -e "s/  */ /g"`
1527         LIBS=''
1528 fi
1529 AC_SUBST(XTRA_LIBS)
1530
1531 dnl Clean up after OSF/1 core dump bug
1532 rm -f core
1533
1534 AC_OUTPUT(\
1535         ./makefile \
1536         ./lib/Makefile \
1537         ./include/config.h \
1538         ./scripts/Makefile \
1539         ./scripts/RunCache \
1540         ./scripts/RunAccel \
1541         ./src/Makefile \
1542         ./src/fs/Makefile \
1543         ./src/fs/ufs/Makefile \
1544         ./src/fs/aufs/Makefile \
1545         ./src/fs/coss/Makefile \
1546         ./src/fs/diskd/Makefile \
1547         ./contrib/Makefile \
1548         $SNMP_MAKEFILE \
1549         ./icons/Makefile \
1550         ./errors/Makefile \
1551         ./auth_modules/Makefile \
1552         ./auth_modules/NCSA/Makefile \
1553         ./auth_modules/PAM/Makefile \
1554         ./auth_modules/SMB/Makefile \
1555         ./auth_modules/MSNT/Makefile \
1556         ./auth_modules/getpwnam/Makefile \
1557         ./auth_modules/LDAP/Makefile \
1558 )