configure.ac

   1 ## Copyright (C) 1996-2023 The Squid Software Foundation and contributors
   2 ##
   3 ## Squid software is distributed under GPLv2+ license and includes
   4 ## contributions from numerous individuals and organizations.
   5 ## Please see the COPYING and CONTRIBUTORS files for details.
   6 ##
   7
   8 AC_INIT([Squid Web Proxy],[7.0.0-VCS],[https://bugs.squid-cache.org/],[squid])
   9 AC_PREREQ(2.61)
  10 AC_CONFIG_HEADERS([include/autoconf.h])
  11 AC_CONFIG_AUX_DIR(cfgaux)
  12 AC_CONFIG_SRCDIR([src/main.cc])
  13 AM_INIT_AUTOMAKE([tar-ustar nostdinc subdir-objects dist-xz])
  14 AC_REVISION($Revision$)dnl
  15 AC_PREFIX_DEFAULT(/usr/local/squid)
  16 AM_MAINTAINER_MODE
  17
  18 m4_include([acinclude/ax_with_prog.m4])
  19 m4_include([acinclude/init.m4])
  20 m4_include([acinclude/squid-util.m4])
  21 m4_include([acinclude/compiler-flags.m4])
  22 m4_include([acinclude/os-deps.m4])
  23 m4_include([acinclude/krb5.m4])
  24 m4_include([acinclude/ldap.m4])
  25 m4_include([acinclude/pam.m4])
  26 m4_include([acinclude/pkg.m4])
  27 m4_include([acinclude/tdb.m4])
  28 m4_include([acinclude/lib-checks.m4])
  29 m4_include([acinclude/ax_cxx_compile_stdcxx.m4])
  30 m4_include([acinclude/win32-sspi.m4])
  31
  32 PRESET_CFLAGS="$CFLAGS"
  33 PRESET_CXXFLAGS="$CXXFLAGS"
  34 PRESET_LDFLAGS="$LDFLAGS"
  35
  36 dnl Set default LDFLAGS
  37 AS_IF([test "x$LDFLAGS" = "x"],[LDFLAGS="-g"])
  38
  39 # check for host OS detail
  40 AC_CANONICAL_HOST
  41 AC_MSG_CHECKING([simplified host os])
  42 simple_host_os=`echo $host_os|sed 's/[0-9].*//g;s/-.*//g'`
  43 squid_host_os_version=`echo $host_os|tr -d "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ-"`
  44 AS_IF([test -n "$squid_host_os_version"],[
  45   squid_host_os="`echo $simple_host_os| sed s/$squid_host_os_version//g`"
  46 ],[
  47   squid_host_os="$simple_host_os"
  48 ])
  49 AC_MSG_RESULT($squid_host_os (version $squid_host_os_version))
  50 # on windows squid_host_os is either mingw or cygwin, version is 32
  51
  52 AC_PROG_CC
  53 AM_PROG_CC_C_O
  54 AC_PROG_CXX
  55
  56 # AC_USE_SYSTEM_EXTENSIONS should be called before any macros that run the C compiler.
  57 AC_USE_SYSTEM_EXTENSIONS
  58
  59 AC_LANG([C++])
  60
  61 # Clang 3.2 on some CPUs requires -march-native to detect correctly.
  62 # GCC 4.3+ can also produce faster executables when its used.
  63 # But building inside a virtual machine environment has been found to
  64 # cause random Illegal Instruction errors due to mis-detection of CPU.
  65 AC_ARG_ENABLE(arch-native,
  66   AS_HELP_STRING([--disable-arch-native],[Some compilers offer CPU-specific
  67                  optimizations with the -march=native parameter.
  68                  This flag disables the optimization. The default is to
  69                  auto-detect compiler support and use where available.]), [
  70   SQUID_YESNO([$enableval],[--enable-arch-native])
  71 ])
  72 AC_MSG_NOTICE([CPU arch native optimization enabled: ${enable_arch_native:=auto}])
  73 AS_IF([test "x${enable_arch_native}" != "xno"],[
  74   SQUID_CC_CHECK_ARGUMENT([squid_cv_check_marchnative],[-march=native])
  75 ])
  76
  77 # If the user did not specify a C++ version.
  78 user_cxx=`echo "$PRESET_CXXFLAGS" | grep -o -E "(-)std="`
  79 AS_IF([test "x$user_cxx" = "x"],[
  80   # Check for C++17 compiler support
  81   # May change CXX.
  82   AX_CXX_COMPILE_STDCXX([17],[noext],[mandatory])
  83 ])
  84
  85 # Prerequisite: CXX has been finalized.
  86 # BUILDCXXFLAGS are defined later, after CXXFLAGS have been finalized.
  87 AC_ARG_VAR([BUILDCXX],[path to compiler for building compile-time tools. e.g. cf_gen])
  88 AS_IF([test "x$HOSTCXX" != "x" -a "x$BUILDCXX" = "x"],[
  89   AC_MSG_WARN([Cross-compiling with HOSTCXX is deprecated. Use BUILDCXX instead.])
  90   BUILDCXX="$HOSTCXX"
  91 ])
  92 AS_IF([test "x$BUILDCXX" = "x"],[
  93   BUILDCXX="$CXX"
  94   AS_IF([test "x$squid_cv_check_marchnative" = "xyes"],[
  95     CXXFLAGS="$CXXFLAGS -march=native"
  96   ])
  97 ])
  98 AC_SUBST(BUILDCXX)
  99
 100 # test for programs
 101 AC_PROG_RANLIB
 102 AC_PROG_CPP
 103 AC_PROG_INSTALL
 104 AC_PROG_LN_S
 105 AC_PROG_EGREP
 106
 107 AC_PATH_PROG(SH, sh, /bin/sh)
 108 AC_PATH_PROG(FALSE, false, /usr/bin/false)
 109 AC_PATH_PROG(TRUE, true, /usr/bin/true)
 110 AC_PATH_PROG(MV, mv, $FALSE)
 111 AC_PATH_PROG(MKDIR, mkdir, $FALSE)
 112 AC_PATH_PROG(LN, ln, cp)
 113 AC_PATH_PROG(CHMOD, chmod, $FALSE)
 114 AC_PATH_PROG(TR, tr, $FALSE)
 115 AC_PATH_PROG(RM, rm, $FALSE)
 116 dnl Libtool 2.2.6 requires: rm -f
 117 RM="$RM -f"
 118
 119 PKG_PROG_PKG_CONFIG
 120
 121 AC_PATH_PROG(PERL, perl, none)
 122 AS_IF([test "x$ac_cv_path_PERL" = "xnone"],[
 123   AC_MSG_FAILURE([Perl is required to compile Squid. Please install Perl and then re-run configure ])
 124 ])
 125 AC_PATH_PROG(POD2MAN, pod2man, $FALSE)
 126 AM_CONDITIONAL(ENABLE_POD2MAN_DOC, test "x${ac_cv_path_POD2MAN}" != "x$FALSE")
 127
 128 AC_PATH_PROG(AR, ar, $FALSE)
 129 AR_R="$AR r"
 130 AC_SUBST(AR_R)
 131
 132 AC_PATH_PROG(LINUXDOC, linuxdoc, $FALSE)
 133 AM_CONDITIONAL(ENABLE_RELEASE_DOCS, test "x${ac_cv_path_LINUXDOC}" != "x$FALSE")
 134
 135 SQUID_RELEASE=`echo $VERSION | cut -d. -f1`
 136 AC_SUBST(SQUID_RELEASE)
 137
 138 # pre-define DEFAULT_PREFIX, some modules need it.
 139 AS_IF([test "${prefix}" = "NONE"],[squid_prefix=$ac_default_prefix],[squid_prefix=$prefix])
 140 AC_DEFINE_UNQUOTED(DEFAULT_PREFIX,[$squid_prefix],[The install prefix])
 141
 142 AC_ARG_ENABLE(strict-error-checking,
 143   AS_HELP_STRING([--disable-strict-error-checking],[By default squid is compiled
 144                  with all possible static compiler error-checks enabled.
 145                  This flag disables the behavior]), [
 146   SQUID_YESNO([$enableval],[--enable-strict-error-checking])
 147 ])
 148 AC_MSG_NOTICE([strict error checking enabled: ${enable_strict_error_checking:=yes}])
 149
 150 # LT_INIT requires libtool v2, might as well state it loud
 151 LT_PREREQ([2.2])
 152 LT_INIT([dlopen])
 153 AS_IF([test "x$ac_top_build_prefix" != "x"],[
 154   # LTDL v3-v7 macros assume the autoconf 2.62 variable top_build_prefix is defined
 155   # But from autoconf 2.64 its called ac_top_build_prefix and not automatically added to the Makefile
 156   # This fixes Linux LTDLv3-v7, and BSD LTDL v2.2
 157   top_build_prefix=${ac_top_build_prefix}
 158   AC_SUBST(top_build_prefix)
 159 ])
 160 LTDL_INIT
 161
 162 dnl LibTool environment is now prepared for setup. Check that it is usable and initialize.
 163 LT_LIB_DLLOAD
 164
 165 # Do we need these unconditionally for "make distcheck" to work?
 166 AC_SUBST(INCLTDL)
 167 AC_SUBST(LIBLTDL)
 168
 169 AC_MSG_CHECKING(whether to use loadable modules)
 170 AS_IF([test "x${enable_shared:=yes}" = "xyes"],[AC_DEFINE(USE_LOADABLE_MODULES,1,[Support Loadable Modules])])
 171 AM_CONDITIONAL(ENABLE_LOADABLE_MODULES, test "x${enable_shared:=yes}" = "xyes")
 172 AC_MSG_RESULT([$enable_shared])
 173
 174 SQUID_CC_GUESS_VARIANT
 175 SQUID_CC_GUESS_OPTIONS
 176
 177 dnl find out the exe extension for this platform.
 178 dnl If it is not empty, use it for CGI as well.
 179 AC_EXEEXT
 180 AC_OBJEXT
 181 AS_IF([test "x$EXEEXT" = "x"],[CGIEXT=".cgi"],[CGIEXT=""])
 182 AC_SUBST(CGIEXT)
 183
 184 AM_CONDITIONAL(ENABLE_WIN32SPECIFIC,[test "x$squid_host_os" = "xmingw"])
 185 AM_CONDITIONAL(ENABLE_WIN32_IPC,[test "x$squid_host_os" = "xmingw"])
 186
 187 AS_CASE(["$squid_host_os"],
 188   [mingw],[
 189     CFLAGS="$CFLAGS -mthreads"
 190     CXXFLAGS="$CXXFLAGS -mthreads -static-libgcc -static-libstdc++"
 191     dnl Check for Winsock only on MinGW
 192     SQUID_CHECK_WINSOCK_LIB
 193     AC_CHECK_HEADERS([ws2tcpip.h winsock2.h windows.h io.h],,,[
 194 #if HAVE_WS2TCPIP_H
 195 #include <ws2tcpip.h>
 196 #endif
 197 #if HAVE_WINSOCK2_H
 198 #include <winsock2.h>
 199 #endif
 200 #if HAVE_WINDOWS_H
 201 #include <windows.h>
 202 #endif
 203     ])
 204     MINGW_LIBS="-lmingwex"
 205     AC_SUBST(MINGW_LIBS)
 206     AC_CHECK_FUNCS([fsync])
 207   ],
 208
 209   [freebsd],[
 210     # FreeBSD places local libraries and packages in /usr/local
 211     CFLAGS="$CFLAGS -I/usr/local/include"
 212     CXXFLAGS="$CXXFLAGS -I/usr/local/include"
 213     LDFLAGS="$LDFLAGS -L/usr/local/lib -Wl,-R/usr/local/lib"
 214   ]
 215 )
 216
 217 dnl Substitutions
 218 AC_DEFINE_UNQUOTED(CONFIG_HOST_TYPE, "$host",[Host type from configure])
 219
 220 AC_DEFINE_UNQUOTED(SQUID_CONFIGURE_OPTIONS, "$ac_configure_args",
 221                        [configure command line used to configure Squid])
 222
 223 CACHE_EFFECTIVE_USER="nobody"
 224 AC_ARG_WITH(default-user,
 225   AS_HELP_STRING([--with-default-user=USER],[System user account for squid permissions. Default: nobody]),
 226  [ CACHE_EFFECTIVE_USER="$withval" ]
 227 )
 228 AC_SUBST(CACHE_EFFECTIVE_USER)
 229
 230 DEFAULT_LOG_DIR="$localstatedir/logs"
 231 AC_ARG_WITH(logdir,
 232   AS_HELP_STRING([--with-logdir=PATH],
 233     [Default location for squid logs. default: PREFIX/var/logs]),[
 234   AS_CASE([$withval],
 235     [yes|no],[AC_MSG_ERROR([--with-logdir requires a directory PATH. --with-logdir=PATH])],
 236     [DEFAULT_LOG_DIR="$withval"]
 237   )
 238 ])
 239 AC_SUBST(DEFAULT_LOG_DIR)
 240
 241 DEFAULT_PID_FILE="$localstatedir/run/@SERVICE_NAME@.pid"
 242 AC_ARG_WITH(pidfile,
 243   AS_HELP_STRING([--with-pidfile=PATH],
 244     [Default location for squid pid file. Default: PREFIX/var/run/squid.pid]),[
 245   AS_CASE([$withval],
 246     [yes|no],[AC_MSG_ERROR([--with-pidfile requires a file PATH. --with-pidfile=PATH])],
 247     [DEFAULT_PID_FILE="$withval"]
 248   )
 249 ])
 250 AC_SUBST(DEFAULT_PID_FILE)
 251
 252 DEFAULT_SWAP_DIR="$localstatedir/cache/squid"
 253 AC_ARG_WITH(swapdir,
 254   AS_HELP_STRING([--with-swapdir=PATH],
 255     [Default location for squid cache directories. Default: PREFIX/var/cache/squid]),[
 256   AS_CASE([$withval],
 257     [yes|no],[AC_MSG_ERROR([--with-swapdir requires a directory PATH. --with-swapdir=PATH])],
 258     [DEFAULT_SWAP_DIR="$withval"]
 259   )
 260 ])
 261 AC_SUBST(DEFAULT_SWAP_DIR)
 262
 263 dnl Set Default CFLAGS
 264 AS_IF([test "x$PRESET_CFLAGS" = "x"],[
 265   AS_IF([test "$squid_cv_compiler" = "gcc"],[
 266     # TODO check if these exceptions are still necessary
 267     AS_CASE(["$host"],
 268       [*-sun-sunos*],[
 269         # sunos has too many warnings for -Wall to be useful
 270       ],
 271       [CFLAGS="$squid_cv_cc_option_wall $CFLAGS"]
 272     )
 273   ],[
 274     AS_CASE(["$host"],
 275       [*mips-sgi-irix6.*],[
 276         # suggested by Rafael Seidl <rafaels@cthulhu.engr.sgi.com>
 277         CFLAGS="$squid_cv_cc_option_optimize -OPT:Olimit=0:space=OFF \
 278                 -woff 1009,1014,1110,1116,1183,1185,1188,1204,1230,1233,1355 \
 279                 -Wl,-woff,85,-woff,84,-woff,134 \
 280                 -nostdinc -I/usr/include -D_BSD_SIGNALS $CFLAGS"
 281         CXXFLAGS="$squid_cv_cc_option_optimize -OPT:Olimit=0:space=OFF \
 282                   -woff 1009,1014,1110,1116,1183,1185,1188,1204,1230,1233,1355 \
 283                   -Wl,-woff,85,-woff,84,-woff,134 \
 284                   -nostdinc -I/usr/include -D_BSD_SIGNALS $CXXFLAGS"
 285     ])
 286   ])
 287 ])
 288
 289 AC_MSG_CHECKING([compiler name-version])
 290 squid_cv_cc_name=`$CC --version | head -1 | cut -f1 -d" "`
 291 AS_CASE([$squid_cv_cc_name],
 292   [gcc|clang],[squid_cv_cc_majversion=`$CC -dumpversion | cut -f1 -d.`],
 293   [squid_cv_cc_majversion="unknown"]
 294 )
 295 squid_cv_cc_simplified="$squid_cv_cc_name-$squid_cv_cc_majversion"
 296 AC_MSG_RESULT($squid_cv_cc_simplified)
 297
 298 # warning flags
 299
 300 # -Wall
 301 SQUID_CC_ADD_CXXFLAG_WARNING_IF_SUPPORTED([$squid_cv_cc_option_wall])
 302
 303 # -Wextra
 304 AS_IF([test "$squid_cv_cc_simplified" = "gcc-4"],[
 305     AC_MSG_NOTICE([skipping -Wextra on $squid_cv_cc_simplified])
 306 ],[
 307     SQUID_CC_ADD_CXXFLAG_WARNING_IF_SUPPORTED([-Wextra])
 308
 309     # Now disable or configure certain warnings enabled by -Wextra
 310
 311     # -Wunused-private-field causes a huge number of false positives
 312     #    in unit tests. Disable that
 313     SQUID_CC_ADD_CXXFLAG_WARNING_IF_SUPPORTED([-Wno-unused-private-field])
 314
 315     # ...=5: Do not trust comments about fallthrough cases (GCC).
 316     SQUID_CC_ADD_CXXFLAG_WARNING_IF_SUPPORTED([-Wimplicit-fallthrough=5])
 317     AS_IF([test "x$squid_cv_cc_arg_wimplicit_fallthrough_5" != "xyes"], [
 318         SQUID_CC_ADD_CXXFLAG_WARNING_IF_SUPPORTED([-Wno-implicit-fallthrough])
 319     ])
 320 ])
 321
 322 # useful warnings that may not be included in -Wall -Wextra
 323 SQUID_CC_ADD_CXXFLAG_WARNING_IF_SUPPORTED([-Wpointer-arith])
 324 SQUID_CC_ADD_CXXFLAG_WARNING_IF_SUPPORTED([-Wwrite-strings])
 325 SQUID_CC_ADD_CXXFLAG_WARNING_IF_SUPPORTED([-Wcomments])
 326 SQUID_CC_ADD_CXXFLAG_WARNING_IF_SUPPORTED([-Wshadow])
 327 SQUID_CC_ADD_CXXFLAG_WARNING_IF_SUPPORTED([-Wmissing-declarations])
 328 SQUID_CC_ADD_CXXFLAG_WARNING_IF_SUPPORTED([-Woverloaded-virtual])
 329
 330 dnl CentOS (and RHEL) still define ntohs() using deprecated C++ features
 331 SQUID_CC_REQUIRE_ARGUMENT([ac_cv_require_wno_deprecated_register],[-Werror -Wno-deprecated-register],[[#include <arpa/inet.h>]],[[int fox=ntohs(1);]])
 332
 333 AS_IF([test "x$enable_strict_error_checking" != "xno"],[
 334   SQUID_CFLAGS="$SQUID_CFLAGS $squid_cv_cc_option_werror"
 335   SQUID_CXXFLAGS="$SQUID_CXXFLAGS $squid_cv_cxx_option_werror"
 336 ])
 337
 338 AS_IF([test "x$ac_cv_require_wno_deprecated_register" = "xyes"],[
 339   SQUID_CXXFLAGS="$SQUID_CXXFLAGS -Wno-deprecated-register"
 340 ])
 341
 342 # squid_cv_cc_arg_pipe is set by SQUID_CC_GUESS_OPTIONS
 343 SQUID_CXXFLAGS="$SQUID_CXXFLAGS $squid_cv_cc_arg_pipe"
 344 SQUID_CFLAGS="$SQUID_CFLAGS $squid_cv_cc_arg_pipe"
 345
 346 # possibly include some build info tag into squid -v
 347 SQUID_EMBED_BUILD_INFO
 348
 349 AC_ARG_ENABLE(optimizations,
 350   AS_HELP_STRING([--disable-optimizations],
 351                  [Do not compile Squid with compiler optimizations enabled.
 352                   Optimization is good for production builds, but not
 353                   good for debugging. During development, use
 354                   --disable-optimizations to reduce compilation times
 355                   and allow easier debugging.]), [
 356   AS_IF([test "x$enableval" = "xno"],[
 357     AC_MSG_NOTICE([Disabling compiler optimizations (-O flag)])
 358     CFLAGS="`echo $CFLAGS | sed -e 's/-O[[0-9g]]*//'`"
 359     CXXFLAGS="`echo $CXXFLAGS | sed -e 's/-O[[0-9g]]*//'`"
 360   ])
 361 ])
 362
 363 dnl Nasty hack to get autoconf 2.64 on Linux to run.
 364 dnl all other uses of RUN_IFELSE are wrapped inside CACHE_CHECK which breaks on 2.64
 365 AC_RUN_IFELSE([AC_LANG_SOURCE([[ int main(int argc, char **argv) { return 0; } ]])],[],[],[:])
 366
 367 AH_TEMPLATE(XMALLOC_STATISTICS,[Define to have malloc statistics])
 368 AC_ARG_ENABLE(xmalloc-statistics,
 369   AS_HELP_STRING([--enable-xmalloc-statistics],
 370                  [Show malloc statistics in status page]), [
 371   SQUID_YESNO([$enableval],[--enable-xmalloc-statistics])
 372 ])
 373 SQUID_DEFINE_BOOL(XMALLOC_STATISTICS,${enable_xmalloc_statistics:=no},
 374     [Show malloc statistics in status page])
 375 AC_MSG_NOTICE([xmalloc stats display: $enable_xmalloc_statistics])
 376
 377 squid_opt_aufs_threads=""
 378 AC_ARG_WITH(aufs-threads,
 379   AS_HELP_STRING([--with-aufs-threads=N_THREADS],
 380     [Tune the number of worker threads for the aufs object store.]), [
 381   AS_CASE([$withval],
 382     [@<:@0-9@:>@*],[squid_opt_aufs_threads=$withval],
 383     AC_MSG_ERROR(--with-aufs-threads expects a numeric argument)
 384   )
 385 ])
 386 AS_IF([test "x$squid_opt_aufs_threads" != "x"],[
 387   AC_MSG_NOTICE([With $squid_opt_aufs_threads aufs threads])
 388   AC_DEFINE_UNQUOTED(AUFS_IO_THREADS,$squid_opt_aufs_threads,
 389     [Defines how many threads aufs uses for I/O])
 390 ])
 391
 392 ## TODO check if this is necessary, LT_INIT does these checks
 393 SQUID_AUTO_LIB(dl,[dynamic linking],[LIBDL])
 394 SQUID_CHECK_LIB_WORKS(dl,[
 395   LDFLAGS="$LIBDL_PATH $LDFLAGS"
 396   AC_CHECK_LIB(dl, dlopen,[LIBDL_LIBS="-ldl"])
 397   LIBS="$LIBDL_LIBS $LIBS"
 398 ])
 399
 400 AC_DEFUN([LIBATOMIC_CHECKER],[
 401   AC_MSG_CHECKING(whether linking $1 -latomic works)
 402   AC_LINK_IFELSE([
 403     AC_LANG_SOURCE([[
 404 #include <atomic>
 405 #include <cstdint>
 406       int
 407       main(int argc, char **) {
 408           return (
 409               std::atomic<uint8_t>(uint8_t(argc)).exchange(0) &&
 410               std::atomic<uint64_t>{}.is_lock_free()
 411               ) ? 0 : 1;
 412       }
 413   ]])],[
 414     AC_MSG_RESULT(yes)
 415     libatomic_checker_result="yes"],[
 416     AC_MSG_RESULT(no)
 417     libatomic_checker_result="no"
 418 ])])
 419
 420 ## check for atomics library before anything that might need it
 421 SQUID_STATE_SAVE(LIBATOMIC)
 422 LIBATOMIC_CHECKER(without)
 423 AS_IF([test "x$libatomic_checker_result" = "xno"],[
 424   LIBS="$LIBS -latomic"
 425   LIBATOMIC_CHECKER(with)
 426   AS_IF([test "x$libatomic_checker_result" = "xyes"],[
 427     ATOMICLIB="-latomic"],[
 428     AC_MSG_ERROR([Required library libatomic not found.])
 429 ])])
 430 SQUID_STATE_ROLLBACK(LIBATOMIC)
 431 AC_SUBST(ATOMICLIB)
 432
 433 SQUID_AUTO_LIB(psapi,[Windows PSAPI.dll],[LIBPSAPI])
 434 SQUID_CHECK_LIB_WORKS(psapi,[
 435   SQUID_STATE_SAVE(squid_psapi_state)
 436   CPPFLAGS="$LIBPSAPI_CFLAGS $CPPFLAGS"
 437   LIBS="$LIBPSAPI_PATH $LIBS"
 438   AC_CHECK_LIB([psapi],[K32GetProcessMemoryInfo],[
 439     LIBPSAPI_LIBS="-lpsapi"
 440     AC_CHECK_HEADERS([psapi.h],,,[
 441 #if HAVE_WINDOWS_H
 442 #include <windows.h>
 443 #endif
 444     ])
 445   ])
 446   SQUID_STATE_ROLLBACK(squid_psapi_state)
 447 ])
 448
 449 AC_SEARCH_LIBS([shm_open], [rt])
 450 AS_IF([test "x$ac_cv_search_shm_open" != "xno"],[
 451   AC_DEFINE(HAVE_SHM,1,[Support shared memory features])
 452 ])
 453
 454 squid_disk_module_candidates=
 455 AC_ARG_ENABLE(disk-io,
 456   AS_HELP_STRING([--enable-disk-io="list of modules"],
 457     [Build support for the list of disk I/O modules.
 458      Set without a value or omitted, all available modules will be built.
 459      See src/DiskIO for a list of available modules, or
 460      Programmers Guide section on DiskIO
 461      for details on how to build your custom disk module]),
 462   AS_CASE(["$enableval"],
 463     [yes],[],
 464     [no|none],[enable_disk_io="no"],
 465     [
 466       enable_disk_io="yes"
 467       squid_disk_module_candidates="$enableval"
 468   ])
 469 )
 470 AS_IF([test "x${enable_disk_io:=yes}" = "xyes"],[
 471   SQUID_LOOK_FOR_MODULES([$srcdir/src/DiskIO],[squid_disk_module_candidates])
 472   AS_IF([test "x$ac_cv_search_shm_open" = "xno"],[
 473     squid_disk_module_candidates=`echo "$squid_disk_module_candidates" | sed 's/IpcIo//g'`
 474   ])
 475 ])
 476 SQUID_CLEANUP_MODULES_LIST([squid_disk_module_candidates])
 477 SQUID_CHECK_EXISTING_MODULES([$srcdir/src/DiskIO],[squid_disk_module_candidates])
 478 AC_MSG_NOTICE([DiskIO modules built: ${squid_disk_module_candidates:-none}])
 479 SQUID_DEFINE_BOOL(USE_DISKIO,$enable_disk_io,[DiskIO modules are expected to be available.])
 480
 481 dnl Some autoconf.h defines we might enable later...
 482 AC_ARG_WITH(pthreads,AS_HELP_STRING([--without-pthreads],[Disable POSIX Threads]))
 483 AC_ARG_WITH(aio, AS_HELP_STRING([--without-aio],[Do not use POSIX AIO. Default: auto-detect]))
 484 ENABLE_WIN32_AIOPS=0
 485 squid_opt_use_aio=
 486 squid_opt_use_diskthreads=
 487 AIOLIB=
 488
 489 dnl Setup the module paths etc.
 490 DISK_LIBS=
 491 DISK_MODULES=
 492 AH_TEMPLATE(HAVE_DISKIO_MODULE_AIO, [Whether POSIX AIO Disk I/O module is built])
 493 AH_TEMPLATE(HAVE_DISKIO_MODULE_BLOCKING, [Whether Blocking Disk I/O module is built])
 494 AH_TEMPLATE(HAVE_DISKIO_MODULE_DISKDAEMON, [Whether DiskDaemon Disk I/O module is built])
 495 AH_TEMPLATE(HAVE_DISKIO_MODULE_DISKTHREADS, [Whether DiskThreads Disk I/O module is built])
 496 AH_TEMPLATE(HAVE_DISKIO_MODULE_IPCIO, [Whether IpcIo Disk I/O module is built])
 497 AH_TEMPLATE(HAVE_DISKIO_MODULE_MMAPPED, [Whether Mmapped Disk I/O module is built])
 498 for module in $squid_disk_module_candidates none; do
 499   # maybe not needed
 500   AS_IF([test "x$module" = "xnone"],[continue])
 501   AS_IF([! test -d "$srcdir/src/DiskIO/$module"],[AC_MSG_ERROR([disk-io $module does not exist])])
 502   AS_CASE(["$module"],
 503     [AIO],[
 504       dnl Check for POSIX AIO availability
 505       squid_opt_use_aio="yes"
 506       AIOLIB=
 507       AS_IF([test "x$with_aio" != "xno"],[
 508         have_aio_header=no
 509         AC_CHECK_HEADERS(aio.h,[have_aio_header=yes])
 510         dnl On some systems POSIX AIO functions are in librt
 511         dnl On some systems POSIX AIO functions are in libaio
 512         AC_CHECK_LIB(rt,aio_read,[AIOLIB="-lrt"],AC_CHECK_LIB(aio,aio_read,[AIOLIB="-laio"],[]))
 513         dnl Enable AIO if the library and headers are found
 514         AS_IF([test "x$AIOLIB" != "x" -a "x$have_aio_header" = "xyes"],[
 515           AC_MSG_NOTICE([Native POSIX AIO support detected.])
 516           squid_opt_use_aio="yes"
 517         ],[
 518           dnl Windows does things differently. We provide wrappers.
 519           dnl TODO: Windows really needs its own DiskIO module or its Overlaped IO
 520           AS_IF([test "$squid_host_os" = "mingw"],[
 521             squid_opt_use_aio="yes"
 522             AC_MSG_NOTICE([Windows being built. Maybe-enable POSIX AIO.])
 523           ],[
 524             squid_opt_use_aio="no"
 525             AC_MSG_NOTICE([Native POSIX AIO support not detected. AIO automatically disabled.])
 526           ])
 527         ])
 528       ],[
 529         AC_MSG_NOTICE([POSIX AIO support manually disabled.])
 530         squid_opt_use_aio="no"
 531       ])
 532       dnl Use the POSIX AIO pieces if we actually need them.
 533       AS_IF([test "x$squid_opt_use_aio" = "xyes"],[
 534         DISK_MODULES="$DISK_MODULES AIO"
 535         AC_DEFINE([HAVE_DISKIO_MODULE_AIO],1,[POSIX AIO Disk I/O module is built])
 536         AS_IF([test "$squid_host_os" = "mingw"],[
 537           ENABLE_WIN32_AIO=1
 538           AC_MSG_NOTICE([Replacing AIO DiskIO module with: Windows overlapped I/O support])
 539         ],[
 540           AC_MSG_NOTICE([Enabling AIO DiskIO module])
 541         ])
 542       ],[
 543         AC_MSG_NOTICE([AIO DiskIO Module disabled. Missing POSIX AIO support.])
 544         squid_disk_module_candidates_AIO=no
 545       ])
 546     ],
 547
 548     [Blocking],[
 549       AC_MSG_NOTICE([Enabling Blocking DiskIO module])
 550       DISK_MODULES="$DISK_MODULES Blocking"
 551       AC_DEFINE([HAVE_DISKIO_MODULE_BLOCKING],1,[Blocking Disk I/O module is built])
 552     ],
 553
 554     [DiskDaemon],[
 555       AS_IF([test "$squid_host_os" = "mingw"],[
 556         AC_MSG_NOTICE([DiskDaemon not supported on MinGW])
 557         squid_disk_module_candidates_DiskDaemon=no
 558       ],[
 559         AC_MSG_NOTICE([Enabling DiskDaemon DiskIO module])
 560         DISK_MODULES="$DISK_MODULES DiskDaemon"
 561         AC_DEFINE([HAVE_DISKIO_MODULE_DISKDAEMON],1,[DiskDaemon Disk I/O module is built])
 562       ])
 563     ],
 564
 565     [DiskThreads],[
 566       squid_opt_use_diskthreads="yes"
 567       LIBPTHREADS=
 568       SQUID_STATE_SAVE([diskthreads_state],[SQUID_CFLAGS SQUID_CXXFLAGS])
 569       AS_IF([test "x$with_pthreads" != "xno"],[
 570         dnl TODO: this needs to be extended to handle more systems and better
 571         dnl REF: http://www.openldap.org/lists/openldap-bugs/200006/msg00070.html
 572         dnl REF: http://autoconf-archive.cryp.to/acx_pthread.html
 573         AS_CASE(["$squid_host_os"],
 574           [mingw],[
 575             ENABLE_WIN32_AIOPS=1
 576             AC_MSG_NOTICE([Windows threads support automatically enabled])
 577           ],
 578
 579           [freebsd],[
 580             AS_IF([test `echo "$squid_host_os_version" | tr -d .` -lt 70],[
 581               AC_MSG_NOTICE(pthread library requires FreeBSD 7 or later)
 582               squid_opt_use_diskthreads="no"
 583             ],[
 584               SQUID_CFLAGS="$SQUID_CFLAGS -D_REENTRANT"
 585               SQUID_CXXFLAGS="$SQUID_CXXFLAGS -D_REENTRANT"
 586               AS_IF([test "x$GCC" = "xyes" -a "x$PRESET_LDFLAGS" = "x"],[LDFLAGS="$LDFLAGS -pthread"])
 587             ])
 588           ],
 589
 590           [openbsd],[
 591             AS_IF([test `echo "$squid_host_os_version" | tr -d .` -lt 52],[
 592               AC_MSG_NOTICE(pthread library requires OpenBSD 5.2 or later)
 593               squid_opt_use_diskthreads="no"
 594             ],[
 595               SQUID_CFLAGS="$SQUID_CFLAGS -D_REENTRANT"
 596               SQUID_CXXFLAGS="$SQUID_CXXFLAGS -D_REENTRANT"
 597               LDFLAGS="$LDFLAGS -lpthread"
 598             ])
 599           ],
 600
 601           [solaris],[
 602             AS_IF([test "x$GCC" = "xyes"],[
 603               SQUID_CFLAGS="$SQUID_CFLAGS -D_REENTRANT -pthreads"
 604               SQUID_CXXFLAGS="$SQUID_CXXFLAGS -D_REENTRANT -pthreads"
 605               AC_CHECK_LIB(pthread, pthread_create ,[LIBPTHREADS="-lpthread"], [
 606                 AC_MSG_NOTICE(pthread library required but cannot be found.)
 607                 squid_opt_use_diskthreads="no"
 608                ])
 609             ],[
 610               dnl test for -lpthread first. libc version is a stub apparently on Solaris.
 611               SQUID_CFLAGS="$SQUID_CFLAGS -D_REENTRANT -lpthread"
 612               SQUID_CXXFLAGS="$SQUID_CXXFLAGS -D_REENTRANT -lpthread"
 613               AC_SEARCH_LIBS([pthread_create],[pthread thread],[
 614                 LIBPTHREADS="" #in LIBS
 615               ],[
 616                 AC_MSG_NOTICE(pthread library required but cannot be found.)
 617                 squid_opt_use_diskthreads="no"
 618               ])
 619             ])
 620           ],
 621
 622           [
 623             SQUID_CFLAGS="$SQUID_CFLAGS -D_REENTRANT"
 624             SQUID_CXXFLAGS="$SQUID_CXXFLAGS -D_REENTRANT"
 625             AC_CHECK_LIB(pthread, pthread_create ,[LIBPTHREADS="-lpthread"], [
 626               AC_MSG_NOTICE(pthread library required but cannot be found.)
 627               squid_opt_use_diskthreads="no"
 628             ])
 629           ]
 630         )
 631       ],[
 632         AC_MSG_NOTICE([Native pthreads support manually disabled.])
 633         squid_opt_use_diskthreads="no"
 634       ])
 635       AS_IF([test "x$squid_opt_use_diskthreads" = "xyes"],[
 636         AC_MSG_NOTICE([Enabling DiskThreads DiskIO module])
 637         DISK_MODULES="$DISK_MODULES DiskThreads"
 638         AC_DEFINE([HAVE_DISKIO_MODULE_DISKTHREADS],1,[DiskThreads Disk I/O module is built])
 639       ],[
 640         AC_MSG_NOTICE([Native pthreads support disabled. DiskThreads module automaticaly disabled.])
 641         SQUID_STATE_ROLLBACK([diskthreads_state])
 642         squid_disk_module_candidates_DiskThreads=no
 643       ])
 644     ],
 645
 646     [IpcIo],[
 647       AS_IF([test "x$ac_cv_search_shm_open" = "xno"],[
 648         AC_MSG_NOTICE([DiskIO IpcIo module requires shared memory support])
 649         squid_disk_module_candidates_IpcIo=no
 650       ],[
 651         AC_MSG_NOTICE([Enabling IpcIo DiskIO module])
 652         DISK_MODULES="$DISK_MODULES IpcIo"
 653         AC_DEFINE([HAVE_DISKIO_MODULE_IPCIO],1,[IpcIo Disk I/O module is built])
 654       ])
 655     ],
 656
 657     [Mmapped],[
 658       dnl TODO: use availability of sys/mman.h and/or mmap to define
 659       dnl  OR support windows mmap functions
 660       AS_IF([test "x$squid_host_os" = "xmingw"],[
 661         AC_MSG_NOTICE([Mmapped DiskIO is not available on Mingw])
 662         squid_disk_module_candidates_Mmapped=no
 663       ],[
 664         AC_MSG_NOTICE([Enabling Mmapped DiskIO module])
 665         DISK_MODULES="$DISK_MODULES Mmapped"
 666         AC_DEFINE([HAVE_DISKIO_MODULE_MMAPPED],1,[Mmapped Disk I/O module is built])
 667       ])
 668     ],
 669
 670     [
 671       AC_MSG_NOTICE([Enabling $module DiskIO module])
 672       DISK_LIBS="$DISK_LIBS lib${module}.la"
 673       DISK_MODULES="$DISK_MODULES ${module}"
 674     ])
 675 done
 676 AC_MSG_NOTICE([IO Modules built: $DISK_MODULES])
 677 AC_SUBST(DISK_MODULES)
 678 AC_SUBST(DISK_LIBS)
 679 AM_CONDITIONAL(ENABLE_DISKIO_AIO, test "x$squid_disk_module_candidates_AIO" = "xyes")
 680 AC_SUBST(AIOLIB)
 681 AM_CONDITIONAL(ENABLE_WIN32_AIO, test "x$squid_disk_module_candidates_AIO" = "xyes" -a "x$ENABLE_WIN32_AIO" = "x1")
 682 AM_CONDITIONAL(ENABLE_DISKIO_BLOCKING, test "x$squid_disk_module_candidates_Blocking" = "xyes")
 683 AM_CONDITIONAL(ENABLE_DISKIO_DISKDAEMON, test "x$squid_disk_module_candidates_DiskDaemon" = "xyes")
 684 AM_CONDITIONAL(ENABLE_DISKIO_DISKTHREADS, test "x$squid_disk_module_candidates_DiskThreads" = "xyes")
 685 AC_SUBST(LIBPTHREADS)
 686 AM_CONDITIONAL(ENABLE_WIN32_AIOPS, test "x$squid_disk_module_candidates_DiskThreads" = "xyes" -a "x$ENABLE_WIN32_AIOPS" = "x1")
 687 AM_CONDITIONAL(ENABLE_DISKIO_IPCIO, test "x$squid_disk_module_candidates_IpcIo" = "xyes")
 688 AM_CONDITIONAL(ENABLE_DISKIO_MMAPPED, test "x$squid_disk_module_candidates_Mmapped" = "xyes")
 689
 690 dnl Check what Storage formats are wanted.
 691 dnl This version will error out with a message saying why if a required DiskIO is missing.
 692 AC_ARG_ENABLE([storeio],
 693   AS_HELP_STRING([--enable-storeio="list of modules"],
 694                  [Build support for the list of store I/O modules.
 695                   The default is only to build the "ufs" module.
 696                   See src/fs for a list of available modules, or
 697                   Programmers Guide section <not yet written>
 698                   for details on how to build your custom store module]), [
 699   AS_CASE(["$enableval"],
 700     [yes],[],
 701     [no|none],[enable_storeio="no"],
 702     [
 703       enable_storeio="yes"
 704       # ufs is really always needed as it has low-level routines
 705       # if it is a dupe it will be cleaned-up later
 706       squid_storeio_module_candidates="$enableval ufs"
 707   ])
 708 ])
 709 AS_IF([test "x${enable_storeio:=yes}" = "xyes"],[
 710   SQUID_LOOK_FOR_MODULES([$srcdir/src/fs],[squid_storeio_module_candidates])
 711 ])
 712 SQUID_CLEANUP_MODULES_LIST([squid_storeio_module_candidates])
 713 SQUID_CHECK_EXISTING_MODULES([$srcdir/src/fs],[squid_storeio_module_candidates])
 714 AC_MSG_NOTICE([Store modules built: ${squid_storeio_module_candidates:-none}])
 715
 716 for fs in ${squid_storeio_module_candidates:-none}; do
 717   AS_CASE([$fs],
 718     [diskd],[
 719       AS_IF([test "x$squid_disk_module_candidates_Blocking" != "xyes" -a \
 720         "x$squid_disk_module_candidates_DiskDaemon" != "xyes"],[
 721         AC_MSG_ERROR([Storage diskd module requires DiskIO module: Blocking or DiskDaemon])
 722       ])
 723     ],
 724     [aufs],[
 725       AS_IF([test "x$squid_disk_module_candidates_Blocking" != "xyes" -a \
 726         "x$squid_disk_module_candidates_DiskThreads" != "xyes"],[
 727         AC_MSG_ERROR([Storage module aufs requires DiskIO module: Blocking or DiskThreads])
 728       ])
 729     ],
 730     [rock],[
 731       AS_IF([test "x$squid_disk_module_candidates_IpcIo" != "xyes" -a \
 732         "x$squid_disk_module_candidates_Blocking" != "xyes"],[
 733          AC_MSG_ERROR([Storage module Rock requires DiskIO module: Blocking or IpcIo])
 734       ])
 735       squid_do_build_rock=true
 736     ],
 737     [ufs],[
 738       AS_IF([test "x$squid_disk_module_candidates_Blocking" != "xyes"],[
 739         AC_MSG_ERROR([Storage module ufs requires DiskIO module: Blocking])
 740       ])
 741       squid_do_build_ufs=true
 742     ]
 743   )
 744 done
 745
 746 AM_CONDITIONAL(ENABLE_FS_UFS, test "x$squid_do_build_ufs" = "xtrue")
 747 AM_CONDITIONAL(ENABLE_FS_ROCK, test "x$squid_do_build_rock" = "xtrue")
 748 dnl hack: need to define those even if not used in the build system to
 749 dnl make sure that global FS objects are linked to the squid binary.
 750 AH_TEMPLATE(HAVE_FS_UFS, "Define to 1 if ufs filesystem module is build")
 751 AH_TEMPLATE(HAVE_FS_AUFS, "Define to 1 if aufs filesystem module is build")
 752 AH_TEMPLATE(HAVE_FS_DISKD, "Define to 1 if diskd filesystem module is build")
 753 AH_TEMPLATE(HAVE_FS_ROCK, "Define to 1 if rock filesystem module is build")
 754
 755
 756 dnl got final squid_storeio_module_candidates, build library lists
 757 dnl This list will not be needed when each fs library has its own Makefile
 758 STORE_LIBS_TO_BUILD=
 759 dnl File system libraries to link executables with.
 760 dnl These are the same as STORE_LIBS_TO_BUILD, but with a path
 761 STORE_LIBS_TO_ADD=
 762 for fs in $squid_storeio_module_candidates; do
 763     STORE_LIBS_TO_BUILD="$STORE_LIBS_TO_BUILD lib${fs}.la"
 764     STORE_LIBS_TO_ADD="$STORE_LIBS_TO_ADD fs/lib${fs}.la"
 765     SQUID_TOUPPER_VAR_CONTENTS([fs])
 766     AC_DEFINE_UNQUOTED(HAVE_FS_${fs}, 1)
 767 done
 768
 769 AC_SUBST(STORE_LIBS_TO_BUILD)
 770 AC_SUBST(STORE_LIBS_TO_ADD)
 771 AC_SUBST(STORE_TESTS)
 772
 773
 774 dnl At lest one removal policy is always needed.
 775 dnl 'lru' removal policy is currently hard-coded by name for tests
 776 dnl so we must set it as default.
 777 REPL_POLICIES="lru"
 778 AC_ARG_ENABLE(removal-policies,
 779   AS_HELP_STRING([--enable-removal-policies="list of policies"],
 780                  [Build support for the list of removal policies.
 781                   The default is only to build the "lru" module.
 782                   See src/repl for a list of available modules, or
 783                   Programmers Guide section 9.9 for details on how
 784                   to build your custom policy]), [
 785   AS_CASE(["$enableval"],
 786     [yes],[ SQUID_LOOK_FOR_MODULES([$srcdir/src/repl],[REPL_POLICIES]) ],
 787     [no],[],
 788     [ REPL_POLICIES="$enableval" ]
 789   )
 790 ])
 791 SQUID_CLEANUP_MODULES_LIST([REPL_POLICIES])
 792 SQUID_CHECK_EXISTING_MODULES([$srcdir/src/repl],[REPL_POLICIES])
 793 AC_MSG_NOTICE([Removal policies to build: $REPL_POLICIES])
 794 REPL_OBJS="repl/lib`echo \"$REPL_POLICIES\" | sed -e 's% %.a repl/lib%g'`.a"
 795 REPL_LIBS=`echo "$REPL_OBJS" | sed -e 's%repl/%%g'`
 796 AC_SUBST(REPL_POLICIES)
 797 AC_SUBST(REPL_OBJS)
 798 AC_SUBST(REPL_LIBS)
 799
 800 AM_CONDITIONAL(ENABLE_PINGER, false)
 801 AC_ARG_ENABLE(icmp,
 802   AS_HELP_STRING([--enable-icmp],[Enable ICMP pinging and Network Measurement]),[
 803   AS_IF([test "x$enableval" = "xyes"],[
 804     AC_MSG_NOTICE([ICMP enabled])
 805     AC_DEFINE(USE_ICMP,1,[Define to use Squid ICMP and Network Measurement features (highly recommended!)])
 806     AM_CONDITIONAL(ENABLE_PINGER, true)
 807   ])
 808 ])
 809
 810 AM_CONDITIONAL(ENABLE_DELAY_POOLS, false)
 811 AC_ARG_ENABLE(delay-pools,
 812   AS_HELP_STRING([--enable-delay-pools],[Enable delay pools to limit bandwidth usage]),[
 813   AS_IF([test "x$enableval" = "xyes"],[
 814     AC_MSG_NOTICE([Delay pools enabled])
 815     AC_DEFINE([USE_DELAY_POOLS],1,[Traffic management via "delay pools".])
 816     AM_CONDITIONAL(ENABLE_DELAY_POOLS, true)
 817   ])
 818 ])
 819
 820 dnl disable generic/common adaptation support by default
 821 squid_opt_use_adaptation=no
 822
 823 AH_TEMPLATE([USE_SQUID_ESI],[whether to enable ESI processing])
 824 AC_ARG_ENABLE(esi,[
 825   AS_HELP_STRING([--enable-esi],
 826                  [Enable ESI for accelerators. ESI requires expat or xml2 library.
 827                   Enabling ESI will cause squid reverse proxies to be capable
 828                   of the Edge Acceleration Specification (www.esi.org).])
 829 ],[
 830   SQUID_DEFINE_BOOL(USE_SQUID_ESI,$enable_esi)
 831 ])
 832 AC_MSG_NOTICE([Enable ESI processor: ${enable_esi:=no (auto)}])
 833
 834 # ESI support libraries: expat
 835 SQUID_AUTO_LIB(expat,[ESI expat library],[LIBEXPAT])
 836 SQUID_CHECK_LIB_WORKS(expat,[
 837   SQUID_STATE_SAVE(squid_expat_state)
 838   PKG_CHECK_MODULES([LIBEXPAT],[expat],[:],[:])
 839   CPPFLAGS="$LIBEXPAT_CFLAGS $CPPFLAGS"
 840   AC_CHECK_HEADERS(expat.h)
 841   SQUID_STATE_ROLLBACK(squid_expat_state)
 842 ])
 843
 844 # ESI support libraries: xml2
 845 SQUID_AUTO_LIB(xml2,[ESI xml2 library],[LIBXML2])
 846 SQUID_CHECK_LIB_WORKS(xml2,[
 847   SQUID_STATE_SAVE([squid_libxml2_save])
 848   PKG_CHECK_MODULES([LIBXML2],[libxml-2.0],[:],[:])
 849   CPPFLAGS="$LIBXML2_CFLAGS $CPPFLAGS"
 850   AC_CHECK_HEADERS(libxml/parser.h libxml/HTMLparser.h libxml/HTMLtree.h)
 851   SQUID_STATE_ROLLBACK([squid_libxml2_save])
 852 ])
 853
 854 AS_IF([test "x$enable_esi" = "xyes" -a "x$LIBXML2_LIBS" = "x" -a "x$LIBEXPAT_LIBS" = "x"],[
 855   AC_MSG_ERROR([ESI processor requires libxml2 or libexpat])
 856 ])
 857 AM_CONDITIONAL(ENABLE_ESI,[test "x$enable_esi" = "xyes"])
 858
 859 AC_ARG_ENABLE(icap-client,
 860   AS_HELP_STRING([--disable-icap-client],[Disable the ICAP client.]),[
 861   SQUID_YESNO([$enableval],[--enable-icap-client])
 862 ])
 863 SQUID_DEFINE_BOOL(ICAP_CLIENT,${enable_icap_client:=yes}, [Enable ICAP client features in Squid])
 864 AS_IF(test "x$enable_icap_client" != "xno", squid_opt_use_adaptation="yes")
 865 AM_CONDITIONAL(ENABLE_ICAP_CLIENT, test "x$enable_icap_client" != "xno")
 866
 867 AC_ARG_ENABLE(ecap,
 868   AS_HELP_STRING([--enable-ecap],[support loadable content adaptation modules]),[
 869   SQUID_YESNO([$enableval],[--enable-ecap])],[
 870   enable_ecap="no"
 871 ])
 872 dnl Perform configuration consistency checks for eCAP
 873 AS_IF([test "x$enable_ecap" != "xno"],[
 874   AS_IF([test "x$enable_shared" != "xyes"],[
 875     AC_MSG_ERROR([eCAP support requires loadable modules. Please do not use --disable-shared with --enable-ecap.])
 876   ])
 877
 878   AS_IF([test -n "$PKG_CONFIG"],[
 879     dnl eCAP support requires libecap.
 880     dnl This Squid supports libecap v1.0.x.
 881     dnl Use EXT_ prefix to distinguish external libecap (that we check for
 882     dnl here) from our own convenience ecap library in Makefiles.
 883     PKG_CHECK_MODULES([EXT_LIBECAP],[libecap >= 1.0 libecap < 1.1])
 884   ],[
 885     AC_MSG_NOTICE([eCAP support requires pkg-config to verify the correct library version. Trouble may follow.])
 886   ])
 887
 888   SQUID_STATE_SAVE(squid_ecap_state)
 889   AC_MSG_CHECKING([whether -lecap will link])
 890   CXXFLAGS="$CXXFLAGS $EXT_LIBECAP_CFLAGS"
 891   LIBS="$LIBS $EXT_LIBECAP_LIBS"
 892   AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <libecap/common/names.h>]],[[
 893     const libecap::Name test("test", libecap::Name::NextId());
 894   ]])],[
 895     AC_MSG_RESULT(yes)
 896     squid_opt_use_adaptation=yes
 897   ],[
 898     AC_MSG_RESULT(no)
 899     AS_IF([test "x$enable_ecap" = "xyes"],[
 900       AC_MSG_ERROR([eCAP library will not link.
 901                   You may need to rebuild libecap using the same version of GCC as Squid.
 902                   There have been breaking ABI changes in the libstdc++ STL with GCC 5.])
 903     ],[
 904       AC_MSG_NOTICE([eCAP library will not link.
 905                   You may need to rebuild libecap using the same version of GCC as Squid.
 906                   There have been breaking ABI changes in the libstdc++ STL with GCC 5.])
 907       enable_ecap="no"
 908     ])
 909   ])
 910   SQUID_STATE_ROLLBACK(squid_ecap_state)
 911 ])
 912 SQUID_DEFINE_BOOL(USE_ECAP,${enable_ecap:=no},[Whether to use eCAP support])
 913 AM_CONDITIONAL(ENABLE_ECAP, test "x$enable_ecap" = "xyes")
 914
 915 dnl enable adaptation if requested by specific adaptation mechanisms
 916 ADAPTATION_LIBS=""
 917 AS_IF([test "x$squid_opt_use_adaptation" = "xyes"],[ADAPTATION_LIBS="adaptation/libadaptation.la"])
 918 SQUID_DEFINE_BOOL(USE_ADAPTATION,${squid_opt_use_adaptation:=no}, [common adaptation support])
 919 AM_CONDITIONAL(ENABLE_ADAPTATION, test "x$squid_opt_use_adaptation" = "xyes")
 920 AC_SUBST(ADAPTATION_LIBS)
 921
 922 AS_IF([test "x$squid_host_os" = "xmingw"],[enable_wccp=no])
 923 AC_ARG_ENABLE(wccp,
 924   AS_HELP_STRING([--disable-wccp],[Disable Web Cache Coordination Protocol]),[
 925   SQUID_YESNO([$enableval],[--enable-wccp])
 926 ])
 927 SQUID_DEFINE_BOOL(USE_WCCP, ${enable_wccp:=yes}, [Define to enable WCCP])
 928 AC_MSG_NOTICE([Web Cache Coordination Protocol enabled: $enable_wccp])
 929
 930 AS_IF([test "x$squid_host_os" = "xmingw"],[enable_wccpv2=no])
 931 AC_ARG_ENABLE(wccpv2,
 932   AS_HELP_STRING([--disable-wccpv2],
 933                  [Disable Web Cache Coordination V2 Protocol]), [
 934   SQUID_YESNO([$enableval],[--enable-wccpv2])
 935 ])
 936 SQUID_DEFINE_BOOL(USE_WCCPv2,${enable_wccpv2:=yes},
 937             [Define to enable WCCP V2])
 938 AC_MSG_NOTICE([Web Cache Coordination V2 Protocol enabled: $enable_wccpv2])
 939
 940 AC_ARG_ENABLE(snmp,
 941   AS_HELP_STRING([--disable-snmp],[Disable SNMP monitoring support]), [
 942   SQUID_YESNO([$enableval],[--enable-snmp])
 943 ])
 944 SQUID_DEFINE_BOOL(SQUID_SNMP,${enable_snmp:=yes},
 945    [Define to enable SNMP monitoring of Squid])
 946 AM_CONDITIONAL(ENABLE_SNMP, [test "x$enable_snmp" = "xyes"])
 947 AS_IF([test "x$enable_snmp" = "xyes"],[SNMPLIB="../lib/snmplib/libsnmplib.la"])
 948 AC_MSG_NOTICE([SNMP support enabled: $enable_snmp])
 949 AC_SUBST(SNMPLIB)
 950
 951 AC_ARG_ENABLE(eui,
 952   AS_HELP_STRING([--disable-eui],
 953                  [Disable use of ARP / MAC/ EUI (ether address)]), [
 954   SQUID_YESNO([$enableval],[--enable-eui])
 955 ])
 956 AS_IF([test "x${enable_eui:=yes}" = "xyes"],[
 957   SQUID_STATE_SAVE(LIBEUI)
 958   # GLIBC 2.30 deprecates sysctl.h. Test with the same flags that (may) break includes later.
 959   CFLAGS=$SQUID_CFLAGS
 960   CXXFLAGS=$SQUID_CXXFLAGS
 961   AS_CASE(["$squid_host_os"],
 962     [linux|solaris|freebsd|openbsd|netbsd|cygwin],[:],
 963     [mingw],[EUILIB="-liphlpapi"],
 964     [AC_MSG_WARN([EUI support probably will not work on host $host.])]
 965   )
 966   # iphlpapi.h check delayed after winsock2.h
 967   AC_CHECK_HEADERS( \
 968     windows.h \
 969     sys/sockio.h \
 970     sys/param.h,
 971   [], [], [[
 972 #if HAVE_WINDOWS_H
 973 include <windows.h>
 974 #endif
 975 ]]
 976   )
 977   AC_CHECK_HEADERS( \
 978     net/if_arp.h \
 979     net/route.h,
 980   [], [], [[
 981 #include <sys/types.h>
 982 #include <sys/socket.h>
 983 ]])
 984
 985   # OpenBSD, FreeBSD and NetBSD requires sys/param.h to be included before sysctl.h and net/if_dl.h
 986   AC_CHECK_HEADERS( \
 987     net/if_dl.h \
 988     sys/sysctl.h,
 989   [], [], [[
 990 #if HAVE_SYS_PARAM_H
 991 #include <sys/param.h>
 992 #endif
 993   ]])
 994   SQUID_STATE_ROLLBACK(LIBEUI)
 995 ])
 996 AC_SUBST(EUILIB)
 997 AC_MSG_NOTICE([EUI (MAC address) controls enabled: $enable_eui])
 998 SQUID_DEFINE_BOOL(USE_SQUID_EUI,$enable_eui,
 999    [Define this to include code which lets you use ethernet addresses. This code uses API initially defined in 4.4-BSD.])
1000 AM_CONDITIONAL(ENABLE_EUI, [test "x$enable_eui" = "xyes" ])
1001
1002
1003 AC_ARG_ENABLE(htcp,
1004   AS_HELP_STRING([--disable-htcp],[Disable HTCP protocol support]), [
1005   SQUID_YESNO([$enableval],[--enable-htcp])
1006 ])
1007 SQUID_DEFINE_BOOL(USE_HTCP,${enable_htcp:=yes},
1008    [Define this to include code for the Hypertext Cache Protocol (HTCP)])
1009 AM_CONDITIONAL(ENABLE_HTCP, [test "x$enable_htcp" = "xyes"])
1010 AC_MSG_NOTICE([HTCP support enabled: $enable_htcp])
1011
1012 # Cryptograhic libraries
1013 SQUID_AUTO_LIB(nettle,[Nettle crypto],[LIBNETTLE])
1014 SQUID_CHECK_LIB_WORKS(nettle,[
1015   SQUID_STATE_SAVE(squid_nettle_state)
1016   PKG_CHECK_MODULES([LIBNETTLE],[nettle >= 3.4],[
1017     CPPFLAGS="$LIBNETTLE_CFLAGS $CPPFLAGS"
1018     AC_CHECK_HEADERS(nettle/base64.h nettle/md5.h)
1019   ],[:])
1020   SQUID_STATE_ROLLBACK(squid_nettle_state)
1021 ])
1022
1023 dnl Check for libcrypt
1024 CRYPTLIB=
1025 dnl Some of our helpers use crypt(3) which may be in libc, or in
1026 dnl libcrypt (eg FreeBSD)
1027 AC_CHECK_LIB(crypt, crypt, [CRYPTLIB="-lcrypt"])
1028 dnl Solaris10 provides MD5 natively through libmd5
1029 AC_CHECK_LIB(md5, MD5Init, [CRYPTLIB="$CRYPTLIB -lmd5"])
1030 AC_SUBST(CRYPTLIB)
1031
1032 SQUID_AUTO_LIB(gnutls,[GnuTLS crypto],[LIBGNUTLS])
1033 SQUID_CHECK_LIB_WORKS(gnutls,[
1034   SQUID_STATE_SAVE(squid_gnutls_state)
1035   PKG_CHECK_MODULES([LIBGNUTLS],[gnutls >= 3.4.0],[
1036     CPPFLAGS="$LIBGNUTLS_CFLAGS $CPPFLAGS"
1037     AC_CHECK_HEADERS(gnutls/gnutls.h gnutls/x509.h gnutls/abstract.h)
1038   ],[:])
1039   SQUID_STATE_ROLLBACK(squid_gnutls_state)
1040 ])
1041
1042 SSLLIB=""
1043 dnl User may specify OpenSSL is needed from a non-standard location
1044 SQUID_OPTIONAL_LIB(openssl,[OpenSSL],[LIBOPENSSL])
1045 AH_TEMPLATE(USE_OPENSSL,[OpenSSL support is available])
1046 ## OpenSSL is default disable due to licensing issues on some OS
1047 AS_IF([test "x$with_openssl" = "xyes"],[
1048   CPPFLAGS="$LIBOPENSSL_CFLAGS $CPPFLAGS"
1049   AC_CHECK_HEADERS( \
1050     openssl/asn1.h \
1051     openssl/bio.h \
1052     openssl/bn.h \
1053     openssl/crypto.h \
1054     openssl/decoder.h \
1055     openssl/dh.h \
1056     openssl/err.h \
1057     openssl/evp.h \
1058     openssl/lhash.h \
1059     openssl/md5.h \
1060     openssl/opensslv.h \
1061     openssl/rsa.h \
1062     openssl/ssl.h \
1063     openssl/x509.h \
1064     openssl/x509v3.h \
1065     openssl/engine.h \
1066     openssl/txt_db.h \
1067     openssl/pem.h \
1068   )
1069
1070   # User may have provided a custom location for OpenSSL. Otherwise...
1071   SQUID_STATE_SAVE(squid_openssl_state)
1072   LIBS="$LIBS $LIBOPENSSL_PATH"
1073
1074   # auto-detect using pkg-config
1075   PKG_CHECK_MODULES([LIBOPENSSL],[openssl],,[
1076     ## For some OS pkg-config is broken or unavailable.
1077     ## Detect libraries the hard way.
1078
1079     # Windows MinGW has some special libraries ...
1080     AS_IF([test "x$squid_host_os" = "xmingw"],[
1081       LIBOPENSSL_LIBS='-lssleay32 -leay32 -lgdi32 $LIBOPENSSL_LIBS'
1082       AC_MSG_NOTICE([Windows OpenSSL library support: yes -lssleay32 -leay32 -lgdi32])
1083     ])
1084
1085     AC_CHECK_LIB(crypto,[CRYPTO_new_ex_data],[LIBOPENSSL_LIBS="-lcrypto $LIBOPENSSL_LIBS"],[
1086       AC_MSG_ERROR([library 'crypto' is required for OpenSSL])
1087     ],$LIBOPENSSL_LIBS)
1088     AC_CHECK_LIB(ssl,[SSL_CTX_new],[LIBOPENSSL_LIBS="-lssl $LIBOPENSSL_LIBS"],[
1089       AC_MSG_ERROR([library 'ssl' is required for OpenSSL])
1090     ],$LIBOPENSSL_LIBS)
1091   ])
1092
1093   SQUID_STATE_ROLLBACK(squid_openssl_state) #de-pollute LIBS
1094
1095   AS_IF([test "x$LIBOPENSSL_LIBS" != "x"],[
1096     CXXFLAGS="$LIBOPENSSL_CFLAGS $CXXFLAGS"
1097     SSLLIB="$LIBOPENSSL_PATH $LIBOPENSSL_LIBS $SSLLIB"
1098     AC_DEFINE(USE_OPENSSL,1,[OpenSSL support is available])
1099
1100     # check for API functions
1101     SQUID_CHECK_LIBCRYPTO_API
1102     SQUID_CHECK_LIBSSL_API
1103     SQUID_CHECK_OPENSSL_TLS_METHODS
1104     SQUID_STATE_SAVE(check_SSL_CTX_get0_certificate)
1105     LIBS="$LIBS $SSLLIB"
1106     AC_CHECK_LIB(ssl, SSL_CTX_get0_certificate, [
1107       AC_DEFINE(HAVE_SSL_CTX_GET0_CERTIFICATE, 1, [SSL_CTX_get0_certificate is available])
1108       ], [
1109           missing_SSL_CTX_get0_certificate=yes
1110       ])
1111     SQUID_STATE_ROLLBACK(check_SSL_CTX_get0_certificate)
1112
1113     # check for other specific broken implementations
1114     AS_IF([test "x$missing_SSL_CTX_get0_certificate" = "xyes"],SQUID_CHECK_OPENSSL_GETCERTIFICATE_WORKS)
1115     SQUID_CHECK_OPENSSL_CONST_SSL_METHOD
1116     SQUID_CHECK_OPENSSL_CONST_CRYPTO_EX_DATA
1117     SQUID_CHECK_OPENSSL_CONST_SSL_SESSION_CB_ARG
1118     SQUID_CHECK_OPENSSL_CONST_X509_GET0_SIGNATURE_ARGS
1119     SQUID_CHECK_OPENSSL_TXTDB
1120   ])
1121   AS_IF([test "x$SSLLIB" = "x"],[AC_MSG_ERROR([Required OpenSSL library not found])])
1122 ])
1123 AC_MSG_NOTICE([OpenSSL library support: ${with_openssl:=no} ${LIBOPENSSL_PATH} ${LIBOPENSSL_LIBS}])
1124 AM_CONDITIONAL(ENABLE_SSL,[ test "x$with_openssl" = "xyes" ])
1125 AC_SUBST(SSLLIB)
1126
1127 # Kerberos support libraries: MIT
1128 SQUID_AUTO_LIB(mit-krb5,[MIT Kerberos],[LIB_KRB5])
1129 AH_TEMPLATE(USE_APPLE_KRB5,[Apple Kerberos support is available])
1130 AH_TEMPLATE(USE_SOLARIS_KRB5,[Solaris Kerberos support is available])
1131 SQUID_CHECK_LIB_WORKS(mit-krb5,[
1132   SQUID_STATE_SAVE(squid_mit_krb5_save)
1133   AS_IF([test "x$squid_host_os" = "xsolaris"],[
1134     # pkg-config not available for Solaris krb5 implementation
1135     SQUID_CHECK_SOLARIS_KRB5
1136   ],[
1137     PKG_CHECK_MODULES([LIBMIT_KRB5],[mit-krb5 mit-krb5-gssapi],[
1138       AS_IF([test "x$squid_host_os" = "xdarwin"],[
1139         AC_DEFINE(USE_APPLE_KRB5,1,[Apple Kerberos support is available])
1140         AC_CHECK_LIB(resolv,[main],[LIBMIT_KRB5_LIBS="$LIBMIT_KRB5_LIBS -lresolv"],[
1141           AC_MSG_ERROR([library 'resolv' is required for Apple Kerberos])
1142         ])
1143       ])
1144       CPPFLAGS="$LIBMIT_KRB5_CFLAGS $CPPFLAGS"
1145       LIBS="$LIBMIT_KRB5_PATH $LIBMIT_KRB5_LIBS $LIBS"
1146       AC_CHECK_HEADERS(gssapi.h gssapi/gssapi.h gssapi/gssapi_krb5.h)
1147       AC_CHECK_HEADERS(gssapi/gssapi_ext.h gssapi/gssapi_generic.h)
1148       AC_CHECK_HEADERS(krb5.h com_err.h et/com_err.h)
1149       AC_CHECK_HEADERS(profile.h)
1150       SQUID_CHECK_KRB5_FUNCS
1151     ],[:])
1152   ])
1153   SQUID_STATE_ROLLBACK(squid_mit_krb5_save)
1154 ])
1155
1156 # Kerberos support libraries: Heimdal
1157 SQUID_AUTO_LIB(heimdal-krb5,[Heimdal Kerberos],[LIBHEIMDAL_KRB5])
1158 SQUID_CHECK_LIB_WORKS(heimdal-krb5,[
1159   AS_IF([test "x$LIBMIT_KRB5_LIBS" = "x"],[
1160     SQUID_STATE_SAVE(squid_heimdal_krb5_save)
1161     PKG_CHECK_MODULES([LIBHEIMDAL_KRB5],[heimdal-krb5 heimdal-gssapi],[
1162       CPPFLAGS="$LIBHEIMDAL_KRB5_CFLAGS $CPPFLAGS"
1163       AC_CHECK_HEADERS(gssapi.h gssapi/gssapi.h gssapi/gssapi_krb5.h)
1164       AC_CHECK_HEADERS(krb5.h com_err.h et/com_err.h)
1165
1166       LIBS="$LIBHEIMDAL_KRB5_PATH $LIBHEIMDAL_KRB5_LIBS $LIBS"
1167       SQUID_CHECK_KRB5_HEIMDAL_BROKEN_KRB5_H
1168       SQUID_CHECK_KRB5_FUNCS
1169     ],[:])
1170     SQUID_STATE_ROLLBACK(squid_heimdal_krb5_save)
1171   ])
1172 ])
1173
1174 # Kerberos support libraries: GNU GSS
1175 SQUID_AUTO_LIB(gss,[GNU gss],[LIBGSS])
1176 SQUID_CHECK_LIB_WORKS(gss,[
1177   AS_IF([test "x$LIBMIT_KRB5_LIBS" = "x" -a "x$LIBHEIMDAL_KRB5_LIBS" = "x"],[
1178     SQUID_STATE_SAVE(squid_gss_save)
1179     PKG_CHECK_MODULES([LIBGSS],[gss],[
1180       CPPFLAGS="$LIBGSS_CFLAGS $CPPFLAGS"
1181       AC_CHECK_HEADERS(gss.h)
1182       LIBS="$LIBGSS_PATH $LIBS"
1183       SQUID_CHECK_WORKING_GSSAPI
1184       SQUID_DEFINE_BOOL(HAVE_GSSAPI,$squid_cv_working_gssapi,[GSSAPI support])
1185       SQUID_CHECK_SPNEGO_SUPPORT
1186       SQUID_DEFINE_BOOL(HAVE_SPNEGO,$squid_cv_have_spnego,[SPNEGO support])
1187       SQUID_CHECK_WORKING_KRB5
1188       SQUID_DEFINE_BOOL(HAVE_KRB5,$squid_cv_working_krb5,[KRB5 support])
1189     ],[:])
1190     SQUID_STATE_ROLLBACK(squid_gss_save)
1191   ])
1192 ])
1193
1194 SQUID_AUTO_LIB(ldap,[LDAP],[LIBLDAP])
1195 SQUID_CHECK_LIB_WORKS(ldap,[
1196   dnl On MinGW OpenLDAP is not available, so LDAP helpers can be linked
1197   dnl only with Windows LDAP libraries using -lwldap32
1198   AS_IF([test "$squid_host_os" = "mingw"],[
1199     LIBLDAP_LIBS="-lwldap32"
1200   ],[
1201     SQUID_STATE_SAVE(squid_ldap_state)
1202     LIBS="$LIBLDAP_PATH $LIBPTHREADS $LIBS"
1203     PKG_CHECK_MODULES([LIBLDAP],[ldap],[],[
1204       AC_CHECK_LIB(lber, ber_init, [LIBLBER="-llber"])
1205       AC_CHECK_LIB(ldap, ldap_init, [LIBLDAP_LIBS="-lldap $LIBLBER"])
1206       dnl if no ldap lib found check for mozilla version
1207       AS_IF([test "x$ac_cv_lib_ldap_ldap_init" != "xyes"],[
1208         SQUID_STATE_SAVE(squid_ldap_mozilla)
1209         LIBS="$LIBLDAP_PATH $LIBPTHREADS"
1210         AC_CHECK_LIB(ldap60, ldap_init, [LIBLDAP_LIBS="-lldap60 $LIBLBER"])
1211         LIBS="$LIBLDAP_PATH $LIBLDAP_LIBS $LIBPTHREADS"
1212         AC_CHECK_LIB(prldap60, prldap_init, [LIBLDAP_LIBS="-lprldap60 $LIBLDAP_LIBS"])
1213         LIBS="$LIBLDAP_PATH $LIBLDAP_LIBS $LIBPTHREADS"
1214         AC_CHECK_LIB(ssldap60, ldapssl_init, [LIBLDAP_LIBS="-lssldap60 $LIBLDAP_LIBS"])
1215         SQUID_STATE_ROLLBACK(squid_ldap_mozilla)
1216       ])
1217     ])
1218     AC_CHECK_HEADERS(ldap.h lber.h)
1219     AC_CHECK_HEADERS(mozldap/ldap.h)
1220     SQUID_CHECK_LDAP_API
1221   ])
1222 ])
1223
1224 SQUID_AUTO_LIB(systemd,[systemd API for start-up notification],[LIBSYSTEMD])
1225 SQUID_CHECK_LIB_WORKS(systemd,[
1226   SQUID_STATE_SAVE(squid_systemd_state)
1227   LIBS="$LIBS $LIBSYSTEMD_PATH"
1228   PKG_CHECK_MODULES(LIBSYSTEMD,[libsystemd >= 209],[
1229     AC_CHECK_HEADERS(systemd/sd-daemon.h)
1230   ],[:])
1231   SQUID_STATE_ROLLBACK(squid_systemd_state)
1232 ])
1233
1234 AC_ARG_ENABLE(forw-via-db,
1235   AS_HELP_STRING([--enable-forw-via-db],[Enable Forw/Via database]), [
1236   SQUID_YESNO([$enableval],[--enable-forw-via-db])
1237 ])
1238 SQUID_DEFINE_BOOL(USE_FORW_VIA_DB,${enable_forw_via_db:=no},
1239                       [Enable Forw/Via database])
1240 AC_MSG_NOTICE([Forw/Via database enabled: $enable_forw_via_db])
1241
1242 AC_ARG_ENABLE(cache-digests,
1243   AS_HELP_STRING([--enable-cache-digests],
1244    [Use Cache Digests. See https://wiki.squid-cache.org/SquidFaq/CacheDigests]),[
1245   SQUID_YESNO([$enableval],[--enable-cache-digests])
1246 ])
1247 SQUID_DEFINE_BOOL(USE_CACHE_DIGESTS,${enable_cache_digests:=no},
1248   [Use Cache Digests for locating objects in neighbor caches.])
1249 AC_MSG_NOTICE([Cache Digests enabled: $enable_cache_digests])
1250
1251
1252 ################################
1253 # check for netio plugin stuff #
1254 ################################
1255 dnl order of these options handling is relevant in case the user
1256 dnl supplies more than one --enable option. Options handled later
1257 dnl override those handled earlier for io loop method manual override
1258 AC_ARG_ENABLE(select,
1259   AS_HELP_STRING([--disable-select],[Disable select(2) support.]),[
1260   SQUID_YESNO([$enableval],[--enable-select])
1261   AS_IF([test "x$enableval" = "xyes"],[squid_opt_io_loop_engine="select"])
1262 ])
1263 AC_MSG_NOTICE([enabling select syscall for net I/O: ${enable_select:=auto}])
1264
1265 AC_ARG_ENABLE(poll,
1266   AS_HELP_STRING([--disable-poll],[Disable poll(2) support.]),[
1267   SQUID_YESNO([$enableval],[--enable-poll])
1268   AS_IF([test "x$enableval" = "xyes"],[squid_opt_io_loop_engine="poll"])
1269 ])
1270 AC_MSG_NOTICE([enabling poll syscall for net I/O: ${enable_poll:=auto}])
1271
1272 AC_ARG_ENABLE(kqueue,
1273   AS_HELP_STRING([--disable-kqueue],
1274                  [Disable kqueue(2) support.]), [
1275   SQUID_YESNO([$enableval],[--enable-kqueue])
1276 ])
1277 AS_IF([test "x${enable_kqueue:=auto}" != "xno"],[
1278   AC_CHECK_HEADERS([sys/event.h],[],[
1279     AS_IF([test "x${enable_kqueue}" = "xyes"],[
1280       AC_MSG_ERROR([kqueue support requires sys/event.h header file.])
1281     ])
1282   ])
1283   AC_CHECK_FUNCS(kqueue,[],[
1284     AS_IF([test "x${enable_kqueue}" = "xyes"],[
1285       AC_MSG_ERROR([kqueue support missing in libc library.])
1286     ])
1287   ])
1288   AS_IF([test "x$ac_cv_func_kqueue" = "xyes" -a "x$ac_cv_header_sys_event_h" = "xyes"],[
1289     squid_opt_io_loop_engine="kqueue"
1290   ],[
1291     enable_kqueue="no"
1292   ])
1293 ])
1294 AC_MSG_NOTICE([enabling kqueue for net I/O: ${enable_kqueue:=auto}])
1295
1296 dnl Enable epoll()
1297 AC_ARG_ENABLE(epoll,
1298   AS_HELP_STRING([--disable-epoll],[Disable Linux epoll(2) support.]),
1299 [
1300   SQUID_YESNO([$enableval],[--enable-epoll])
1301 AS_IF([test "x$enableval" = "xyes"],[squid_opt_io_loop_engine="epoll"])
1302 ])
1303 AC_MSG_NOTICE([enabling epoll syscall for net I/O: ${enable_epoll:=auto}])
1304
1305 # auto-detect and verify epoll header and library present and working
1306 # logic mapping and loop method selection are performed later
1307 AS_IF([test "x$enable_epoll" != "xno"],[
1308   # check if libs are needed to support epoll
1309   SQUID_STATE_SAVE(squid_epoll_state)
1310   AC_SEARCH_LIBS(epoll_ctl,[epoll])
1311   AS_IF([test "x$ac_cv_search_epoll_ctl" = "xno"],[enable_epoll=no],
1312     [test "x$ac_cv_search_epoll_ctl" = "xnone required"],[EPOLL_LIBS=""],
1313     [EPOLL_LIBS=$ac_cv_search_epoll_ctl]
1314   )
1315   AC_SUBST(EPOLL_LIBS)
1316   SQUID_STATE_ROLLBACK(squid_epoll_state) #de-pollute LIBS
1317
1318   # epoll requires sys/epoll.h
1319   AC_CHECK_HEADERS([sys/epoll.h])
1320
1321   dnl Verify that epoll really works
1322   AS_IF([test "x$ac_cv_search_epoll_ctl" != "xno"], SQUID_CHECK_EPOLL)
1323
1324   AS_IF([test "x$enable_epoll" = "xyes" -a "x$squid_cv_epoll_works" = "xno"],[
1325     AC_MSG_ERROR([Epoll does not work. Force-enabling it is not going to help.])
1326   ])
1327 ])
1328
1329 dnl Enable /dev/poll
1330 AC_ARG_ENABLE(devpoll,
1331   AS_HELP_STRING([--disable-devpoll],[Disable Solaris /dev/poll support.]),[
1332   SQUID_YESNO([$enableval],[--enable-devpoll])
1333   AS_IF([test "x$enableval" = "xyes"],[squid_opt_io_loop_engine="devpoll"])
1334 ])
1335 AC_MSG_NOTICE([enabling /dev/poll for net I/O: ${enable_devpoll:=auto}])
1336
1337 ## auto-detect and verify devpoll header and library present and working
1338 AS_IF([test "x$enable_devpoll" != "xno"],[
1339   # /dev/poll requires ioctl() and write()
1340   AC_CHECK_FUNCS(ioctl)
1341   AC_CHECK_FUNCS(write)
1342
1343   # /dev/poll requires sys/devpoll.h
1344   AC_CHECK_HEADERS([sys/devpoll.h],,[
1345     AS_IF([test "x$enable_devpoll" = "xyes"],[
1346       AC_MSG_ERROR([--enable-devpoll specified but /dev/poll headers not found])
1347     ])
1348     enable_devpoll=no
1349   ])
1350
1351   # Verify that /dev/poll really works
1352   AS_IF([test "x$enable_devpoll" != "xno"], SQUID_CHECK_DEVPOLL)
1353
1354   AS_IF([test "x$enable_devpoll" = "xyes" -a "x$squid_cv_devpoll_works" = "xno"],[
1355     AC_MSG_ERROR([/dev/poll does not work. Force-enabling it is not going to help.])
1356   ])
1357 ])
1358
1359 AC_ARG_ENABLE(http-violations,
1360   AS_HELP_STRING([--disable-http-violations],
1361                  [This allows you to remove code which is known to
1362                   violate the HTTP protocol specification.]), [
1363   SQUID_YESNO([$enableval],[--enable-http-violations])
1364 ])
1365 SQUID_DEFINE_BOOL(USE_HTTP_VIOLATIONS, ${enable_http_violations:=yes},
1366   [Define to enable code which volates the HTTP standard specification])
1367 AC_MSG_NOTICE([HTTP violations support enabled: $enable_http_violations])
1368
1369 # IPFW Transparent Proxy
1370 AC_ARG_ENABLE(ipfw-transparent,
1371   AS_HELP_STRING([--enable-ipfw-transparent],
1372                  [Enable Transparent Proxy support for systems
1373                   using FreeBSD IPFW-style firewalling.]), [
1374   SQUID_YESNO([$enableval],[--enable-ipfw-transparent])
1375 ])
1376 SQUID_DEFINE_BOOL(IPFW_TRANSPARENT,${enable_ipfw_transparent:=no},
1377   [Enable support for Transparent Proxy on systems using FreeBSD IPFW-style firewalling.])
1378 AC_MSG_NOTICE([FreeBSD IPFW-based transparent proxying enabled: $enable_ipfw_transparent])
1379
1380 # IP-Filter Transparent Proxy
1381 AC_ARG_ENABLE(ipf-transparent,
1382   AS_HELP_STRING([--enable-ipf-transparent],
1383      [Enable Transparent Proxy support using IPFilter-style firewalling]), [
1384   SQUID_YESNO([$enableval],[--enable-ipf-transparent])
1385 ])
1386 #will be AC_DEFINEd later, after checking for appropriate infrastructure
1387 #IPF currently broken. Default-disabled for now.
1388 AC_MSG_NOTICE([IPF-based transparent proxying requested: ${enable_ipf_transparent:=no}])
1389
1390 dnl Enable PF Transparent Proxy
1391 AC_ARG_ENABLE(pf-transparent,
1392   AS_HELP_STRING([--enable-pf-transparent],
1393     [Enable Transparent Proxy support for systems using PF network address redirection.]), [
1394   SQUID_YESNO([$enableval],[--enable-pf-transparent])
1395 ])
1396 #will be AC_DEFINEd later, after checking for appropriate infrastructure
1397 AC_MSG_NOTICE([PF-based transparent proxying requested: ${enable_pf_transparent:=no}])
1398
1399 dnl Enable /dev/pf support for older PF Transparent Proxy systems (OpenBSD 4.x and older)
1400 AC_ARG_WITH(nat-devpf,
1401   AS_HELP_STRING([--with-nat-devpf],
1402     [Enable /dev/pf support for NAT on older OpenBSD and FreeBSD kernels.]), [
1403   SQUID_YESNO([$withval],[--with-nat-devpf])
1404 ])
1405 #will be AC_DEFINEd later, after checking for appropriate infrastructure
1406 AC_MSG_NOTICE([NAT lookups via /dev/pf: ${with_nat_devpf:=no}])
1407
1408 # Linux Netfilter Transparent Proxy
1409 AC_ARG_ENABLE(linux-netfilter,
1410   AS_HELP_STRING([--enable-linux-netfilter],
1411                  [Enable Transparent Proxy support for Linux (Netfilter)]), [
1412   SQUID_YESNO([$enableval],[--enable-linux-netfilter])
1413 ])
1414 AC_MSG_NOTICE([Linux Netfilter support requested: ${enable_linux_netfilter:=auto}])
1415 #will be AC_DEFINEd later, after checking for appropriate infrastructure
1416
1417
1418 dnl Look for libnetfilter_conntrack options (needed for QOS netfilter marking)
1419 SQUID_AUTO_LIB(netfilter-conntrack,[Netfilter conntrack],[LIBNETFILTER_CONNTRACK])
1420 SQUID_CHECK_LIB_WORKS(netfilter-conntrack,[
1421   SQUID_STATE_SAVE(squid_netfilter_conntrack_state)
1422   PKG_CHECK_MODULES([LIBNETFILTER_CONNTRACK],[libnetfilter_conntrack],[:],[:])
1423   CPPFLAGS="$LIBNETFILTER_CONNTRACK_CFLAGS $CPPFLAGS"
1424   LIBS="$LIBNETFILTER_CONNTRACK_PATH $LIBNETFILTER_CONNTRACK_LIBS $LIBS"
1425   AC_CHECK_HEADERS([ \
1426     libnetfilter_conntrack/libnetfilter_conntrack.h \
1427     libnetfilter_conntrack/libnetfilter_conntrack_tcp.h \
1428   ])
1429   SQUID_STATE_ROLLBACK(squid_netfilter_conntrack_state)
1430 ])
1431
1432 dnl Enable Large file support
1433 buildmodel=""
1434
1435 AC_ARG_WITH(large-files,
1436   AS_HELP_STRING([--with-large-files],[Enable support for large files (logs etc).]), [
1437   SQUID_YESNO([$withval],[--with-large-files])
1438   squid_opt_enable_large_files=$withval
1439 ])
1440
1441 dnl UNIX Build environment
1442 dnl AS_HELP_STRING is not suited here because it cannot to specify newlines
1443 AC_ARG_WITH(build-environment,
1444  AS_HELP_STRING([--with-build-environment=model],
1445      [The build environment to use. Normally one of
1446       POSIX_V6_ILP32_OFF32 (32 bits),
1447       POSIX_V6_ILP32_OFFBIG (32 bits with large file support),
1448       POSIX_V6_LP64_OFF64 (64 bits),
1449       POSIX_V6_LPBIG_OFFBIG (large pointers and files),
1450       XBS5_ILP32_OFF32 i(legacy, 32 bits),
1451       XBS5_ILP32_OFFBIG (legacy, 32 bits with large file support),
1452       XBS5_LP64_OFF64 (legacy, 64 bits),
1453       XBS5_LPBIG_OFFBIG (legacy, large pointers and files)
1454       or default (The default for your OS)]), [
1455   AS_CASE(["$withval"],
1456     [yes|no],[AC_MSG_FAILURE([--with-build-environment expects a build environment string as used by getconf])],
1457     [buildmodel="$withval"]
1458   )
1459 ])
1460
1461 #hack. Let's early-detect sizeof(long)
1462 AC_CHECK_SIZEOF(long)
1463
1464 AS_IF([test "x$squid_opt_enable_large_files" = "xyes" -a "x$buildmodel" = "x"],[
1465   for model in POSIX_V6_LPBIG_OFFBIG XBS5_LPBIG_OFFBIG POSIX_V6_LP64_OFF64 XBS5_LP64_OFF64 POSIX_V6_ILP32_OFFBIG XBS5_ILP32_OFFBIG; do
1466     AS_IF([test "`getconf _$model 2>/dev/null || true`" = 1 -o "`getconf $model 2>/dev/null || true`"],[
1467       buildmodel=$model
1468       break
1469     ])
1470   done
1471   AS_IF([test "x$buildmodel" = "x"],[
1472     AC_MSG_WARN([No suitable build environment found for large files. Trying to use _FILE_OFFSET_BITS=64])
1473   ])
1474 ])
1475 AS_IF([test "x$buildmodel" = "xdefault" -o "x$buildmodel" = "x"],[
1476   # define _FILE_OFFSET_BITS if requested and needed
1477   AS_IF([test "x$squid_opt_enable_large_files" = "xyes" -a $ac_cv_sizeof_long -le 4],[
1478     AC_MSG_NOTICE([Enabling -D_FILE_OFFSET_BITS=64])
1479     CFLAGS="-D_FILE_OFFSET_BITS=64 $CFLAGS"
1480     CXXFLAGS="-D_FILE_OFFSET_BITS=64 $CXXFLAGS"
1481   ])
1482 ],[
1483   AC_MSG_NOTICE([Using $buildmodel build environment])
1484   AS_IF([ ! test "`getconf _$buildmodel 2>/dev/null || true`" = 1 -o "`getconf $buildmodel 2>/dev/null || true`"],[
1485     AC_MSG_ERROR([Build environment $buildmodel not known to getconf.])
1486   ])
1487   CFLAGS="`getconf ${buildmodel}_CFLAGS` $CFLAGS"
1488   CXXFLAGS="`getconf ${buildmodel}_CFLAGS` $CXXFLAGS"
1489   LIBS="`getconf ${buildmodel}_LIBS` $LIBS"
1490   LDFLAGS="`getconf ${buildmodel}_LDFLAGS` $LDFLAGS"
1491
1492   AS_IF([test "x$squid_host_os" = "xsolaris"],[
1493 # On Solaris getconf returns for CFLAGS -xarch=generic64, -Xa and -Usun options, and
1494 # for LDFLAGS -xarch=generic64, but:
1495 #   "-Xa" is supported only by Sun cc, so we need to remove it when using gcc
1496 #   For gcc "-xarch=generic64" must be replaced with "-m64"
1497 #   The 'sun' define is needed by ipfilter includes, so we must remove "-Usun"
1498     AS_IF([test "x$GCC" = "xyes"],[
1499       AC_MSG_NOTICE([Removing -Xa for gcc/g++ on $host])
1500       CFLAGS="`echo $CFLAGS | sed -e 's/-Xa//'`"
1501       CXXFLAGS="`echo $CXXFLAGS | sed -e 's/-Xa//'`"
1502       AC_MSG_NOTICE([Replacing -xarch=generic64 with -m64 for gcc/g++ on $host])
1503       CFLAGS="`echo $CFLAGS | sed -e 's/-xarch=generic64/-m64/'`"
1504       CXXFLAGS="`echo $CXXFLAGS | sed -e 's/-xarch=generic64/-m64/'`"
1505       LDFLAGS="`echo $LDFLAGS | sed -e 's/-xarch=generic64//'`"
1506     ])
1507     AC_MSG_NOTICE([Removing -Usun on $host])
1508     CFLAGS="`echo $CFLAGS | sed -e 's/-Usun//'`"
1509     CXXFLAGS="`echo $CXXFLAGS | sed -e 's/-Usun//'`"
1510   ])
1511 ])
1512
1513 AC_ARG_ENABLE(follow-x-forwarded-for,
1514   AS_HELP_STRING([--disable-follow-x-forwarded-for],
1515                  [Do not follow the X-Forwarded-For
1516                  HTTP header to try to find the IP address of the
1517                  original or indirect client when a request has
1518                  been forwarded through other proxies.]), [
1519   SQUID_YESNO([$enableval],[--enable-follow-x-forwarded-for])
1520 ])
1521 AC_MSG_NOTICE([Support for X-Forwarded-For enabled: ${enable_follow_x_forwarded_for:=yes}])
1522 SQUID_DEFINE_BOOL(FOLLOW_X_FORWARDED_FOR,$enable_follow_x_forwarded_for,
1523   [Enable following X-Forwarded-For headers])
1524
1525 AC_ARG_ENABLE(ident-lookups,
1526   AS_HELP_STRING([--disable-ident-lookups],
1527                  [Remove code that supports performing Ident (RFC 931) lookups.]), [
1528   SQUID_YESNO([$enableval],[--enable-ident-lookups])
1529 ])
1530 AC_MSG_NOTICE([Support for Ident lookups enabled: ${enable_ident_lookups:=yes}])
1531 SQUID_DEFINE_BOOL(USE_IDENT,$enable_ident_lookups,[Support for Ident (RFC 931) lookups])
1532
1533 dnl Select Default hosts file location
1534 AC_ARG_ENABLE(default-hostsfile,
1535   AS_HELP_STRING([--enable-default-hostsfile=path],
1536                  [Select default location for hosts file.
1537                   See hosts_file directive in squid.conf for details]), [
1538   # TODO: handle the "yes" case cleanly
1539   AS_CASE(["$enableval"],
1540     [no|none],[squid_opt_default_hosts="none"],
1541     [
1542       squid_opt_default_hosts=$enableval
1543       AS_IF([ ! test -f "$enableval"],[
1544         AC_MSG_WARN([Unable to find file $enableval. I hope you know what you are doing.])
1545       ])
1546     ])
1547 ])
1548 AC_MSG_NOTICE([Default hosts file set to: ${squid_opt_default_hosts:=/etc/hosts}])
1549 DEFAULT_HOSTS=$squid_opt_default_hosts
1550 AC_SUBST(DEFAULT_HOSTS)
1551
1552 # Select auth schemes modules to build
1553 AC_ARG_ENABLE(auth,
1554   AS_HELP_STRING([--disable-auth],
1555                  [Do not support authentication. When supported, the list of schemes
1556                   and helpers to be enabled is defined elsewhere]), [
1557   SQUID_YESNO([$enableval],[--enable-auth])
1558 ])
1559 AC_MSG_NOTICE([Authentication support enabled: ${enable_auth:=yes}])
1560 SQUID_DEFINE_BOOL(USE_AUTH,$enable_auth,[Enable support for authentication])
1561 AM_CONDITIONAL(ENABLE_AUTH, test "x$enable_auth" != "xno")
1562 AUTH_MODULES=""
1563 require_smblib="no"
1564 require_sspi="no"
1565
1566 AC_ARG_ENABLE(auth-basic,
1567   AS_HELP_STRING([--enable-auth-basic="list of helpers"],
1568      [Enable the basic authentication scheme, and build the specified helpers.
1569       Not providing an explicit list of helpers will attempt build of
1570       all possible helpers. Default is to do so.
1571       To disable the basic authentication scheme, use --disable-auth-basic.
1572       To enable but build no helpers, specify "none".
1573       To see available helpers, see the src/auth/basic/ directory. ]),[
1574 #nothing to do really
1575 ])
1576 m4_include([src/auth/basic/helpers.m4])
1577
1578 AC_ARG_ENABLE(auth-digest,
1579   AS_HELP_STRING([--enable-auth-digest="list of helpers"],
1580      [Enable the Digest authentication scheme, and build the specified helpers.
1581       Not providing an explicit list of helpers will attempt build of
1582       all possible helpers. Default is to do so.
1583       To disable the Digest authentication scheme, use --disable-auth-digest.
1584       To enable but build no helpers, specify "none".
1585       To see available helpers, see the src/auth/digest/ directory. ]),[
1586 #nothing to do, really
1587 ])
1588 m4_include([src/auth/digest/helpers.m4])
1589
1590 AC_ARG_ENABLE(auth-negotiate,
1591   AS_HELP_STRING([--enable-auth-negotiate="list of helpers"],
1592      [Enable the Negotiate authentication scheme, and build the specified
1593       helpers.
1594       Not providing an explicit list of helpers will attempt build of
1595       all possible helpers. Default is to do so.
1596       To disable the Negotiate authentication scheme,
1597       use --disable-auth-negotiate.
1598       To enable but build no helpers, specify "none".
1599       To see available helpers, see the src/auth/negotiate/ directory. ]),[
1600 #nothing to do, really
1601 ])
1602 m4_include([src/auth/negotiate/helpers.m4])
1603
1604 AC_ARG_ENABLE(auth-ntlm,
1605   AS_HELP_STRING([--enable-auth-ntlm="list of helpers"],
1606      [Enable the NTLM authentication scheme, and build the specified helpers.
1607       Not providing an explicit list of helpers will attempt build of
1608       all possible helpers. Default is to do so.
1609       To disable the NTLM authentication scheme, use --disable-auth-ntlm.
1610       To enable but build no helpers, specify "none".
1611       To see available helpers, see the src/auth/ntlm/ directory. ]),[
1612 ])
1613 m4_include([src/auth/ntlm/helpers.m4])
1614
1615 dnl Authentication libraries to build
1616 dnl This list will not be needed when each auth library has its own Makefile
1617 dnl this is to be placed AFTER each auth module's handler
1618 AUTH_LIBS_TO_BUILD=
1619 for module in $AUTH_MODULES; do
1620     AUTH_LIBS_TO_BUILD="$AUTH_LIBS_TO_BUILD ${module}/lib${module}.la"
1621 done
1622 AC_SUBST(AUTH_MODULES)
1623 AC_SUBST(AUTH_LIBS_TO_BUILD)
1624 AM_CONDITIONAL(ENABLE_SMBLIB, test "x$require_smblib" = "xyes")
1625 AM_CONDITIONAL(ENABLE_SSPI, test "x$require_sspi" = "xyes")
1626
1627 dnl Select logging daemon helpers to build
1628 AC_ARG_ENABLE(log-daemon-helpers,
1629   AS_HELP_STRING([--enable-log-daemon-helpers="list of helpers"],
1630                  [This option selects which logging daemon helpers to
1631                   build and install as part of the normal build process
1632                   For a list of available helpers see the src/log/
1633                   directory.]),[
1634 #nothing to do, really
1635 ])
1636 m4_include([src/log/helpers.m4])
1637
1638 AC_ARG_ENABLE(external-acl-helpers,
1639   AS_HELP_STRING([--enable-external-acl-helpers="list of helpers"],
1640                  [Enable external_acl helpers support and the helpers themselves.
1641                   Default is to build all buildable helpers and enable support.
1642                   To disable support, use --disable-external-acl-helpers.
1643                   To build no helpers, specify "none".
1644                   To see available helpers, see the src/acl/external/
1645                   directory]), [
1646 #nothing to do, really
1647 ])
1648 m4_include([src/acl/external/helpers.m4])
1649
1650 dnl Select url_rewrite helpers to build
1651 AC_ARG_ENABLE(url-rewrite-helpers,
1652   AS_HELP_STRING([--enable-url-rewrite-helpers="list of helpers"],
1653                  [This option selects which url_rewrite helpers to
1654                   build and install as part of the normal build
1655                   process. The default is to attempt the build of all possible
1656                   helpers. Use --disable-url-rewrite-helpers to build none.
1657                   For a list of available helpers see the
1658                   src/http/url_rewriters/ directory.]),[
1659 ])
1660 m4_include([src/http/url_rewriters/helpers.m4])
1661
1662 dnl Select security helpers to build
1663 AC_ARG_ENABLE(security-cert-validators,
1664   AS_HELP_STRING([--enable-security-cert-validators="list of helpers"],
1665                  [This option selects which security certificate validator
1666                   helpers to build and install as part of the normal build
1667                   process. The default is to attempt the build of all possible
1668                   helpers. Use --disable-security-cert-validators to
1669                   build none. For a list of available helpers see the
1670                   src/security/cert_validators/ directory.]),[
1671 ])
1672 m4_include([src/security/cert_validators/helpers.m4])
1673
1674 AC_ARG_ENABLE(security-cert-generators,
1675   AS_HELP_STRING([--enable-security-cert-generators="list of helpers"],
1676                  [This option selects which security certificate validator
1677                   helpers to build and install as part of the normal build
1678                   process. The default is to attempt the build of all possible
1679                   helpers. Use --disable-security-cert-genrators to
1680                   build none. For a list of available helpers see the
1681                   src/security/cert_generators/ directory.]),[
1682 ])
1683 m4_include([src/security/cert_generators/helpers.m4])
1684
1685 dnl Select storeid_rewrite helpers to build
1686 AC_ARG_ENABLE(storeid-rewrite-helpers,
1687   AS_HELP_STRING([--enable-storeid-rewrite-helpers="list of helpers"],
1688                  [This option selects which Store-ID rewrite helpers to
1689                   build and install as part of the normal build
1690                   process. The default is to attempt the build of all possible
1691                   helpers. Use --disable-storeid-rewrite-helpers to build none.
1692                   For a list of available helpers see the
1693                   src/store/id_rewriters/ directory.]),[
1694 ])
1695 m4_include([src/store/id_rewriters/helpers.m4])
1696
1697 AC_ARG_WITH(valgrind-debug,
1698   AS_HELP_STRING([--with-valgrind-debug],
1699                  [Include debug instrumentation for use with valgrind]),
1700 [
1701   SQUID_YESNO([$withval],[--with-valgrind-debug])
1702   AS_IF([test "x$withval" != "xno"],[
1703     AC_CHECK_HEADERS(valgrind/memcheck.h,[],[
1704       AC_MSG_ERROR([Valgrind support requested, needed headers not found.])
1705     ])
1706   ])
1707 ])
1708 SQUID_DEFINE_BOOL(WITH_VALGRIND,${with_valgrind_debug:=no},
1709                   [Valgrind memory debugger support])
1710 AC_MSG_NOTICE([Valgrind debug support enabled: $with_valgrind_debug])
1711
1712 dnl Enable WIN32 Service compile mode
1713 AC_ARG_ENABLE(win32-service,
1714   AS_HELP_STRING([--enable-win32-service],
1715                  [Compile Squid as a WIN32 Service.
1716                   Works only on MS-Windows platforms]), [
1717   SQUID_YESNO([$enableval],[--enable-win32-service])
1718 ])
1719 SQUID_DEFINE_BOOL(USE_WIN32_SERVICE,${enable_win32_service:=no},
1720    [Enable code supporting MS Windows service mode])
1721 AC_MSG_NOTICE([MS Windows service mode enabled: $enable_win32_service])
1722
1723
1724 # Disable "unlinkd" code
1725 AC_ARG_ENABLE(unlinkd,
1726   AS_HELP_STRING([--disable-unlinkd],[Do not use unlinkd]), [
1727   SQUID_YESNO([$enableval],[--enable-unlinkd])
1728 ])
1729 SQUID_DEFINE_BOOL(USE_UNLINKD,${enable_unlinkd:=yes},
1730                       [Enable useage of unlinkd])
1731 AM_CONDITIONAL(ENABLE_UNLINKD,test "x$enable_unlinkd" = "xyes")
1732 AC_MSG_NOTICE([unlinkd enabled: $enable_unlinkd])
1733
1734 # Enable backtraces on fatal errors
1735 AC_ARG_ENABLE(stacktraces,
1736   AS_HELP_STRING([--enable-stacktraces],
1737                  [Enable automatic call backtrace on fatal errors]), [
1738   SQUID_YESNO([$enableval],[--enable-stacktraces])
1739 ])
1740 SQUID_DEFINE_BOOL(PRINT_STACK_TRACE,${enable_stacktraces:=no},
1741                       [Print stack traces on fatal errors])
1742 AC_MSG_NOTICE([Automatically print stack trace on fatal errors: $enable_stacktraces])
1743
1744 # Enable X-Accelerator-Vary for Vary support within an accelerator setup
1745 AC_ARG_ENABLE(x-accelerator-vary,
1746   AS_HELP_STRING([--enable-x-accelerator-vary],
1747                  [Enable support for the X-Accelerator-Vary
1748                   HTTP header. Can be used to indicate
1749                   variance within an accelerator setup.
1750                   Typically used together with other code
1751                   that adds custom HTTP headers to the requests.]), [
1752   SQUID_YESNO([$enableval],[--enable-x-accelerator-vary])
1753 ])
1754 SQUID_DEFINE_BOOL(X_ACCELERATOR_VARY,${enable_x_accelerator_vary:=no},
1755                       [Enable support for the X-Accelerator-Vary HTTP header])
1756 AC_MSG_NOTICE([X-Accelerator-Vary support enabled: $enable_x_accelerator_vary])
1757
1758 SQUID_AUTO_LIB(cppunit,[cppunit test framework],[LIBCPPUNIT])
1759 SQUID_CHECK_LIB_WORKS(cppunit,[
1760   PKG_CHECK_MODULES([LIBCPPUNIT],[cppunit],[
1761     squid_cv_cppunit_version="`pkg-config --modversion cppunit`"
1762     AC_MSG_NOTICE([using system installed cppunit version $squid_cv_cppunit_version])
1763     AS_UNSET(squid_cv_cppunit_version)
1764
1765     SQUID_STATE_SAVE(squid_cppunit_state)
1766     CXXFLAGS="${CXXFLAGS} ${LIBCPPUNIT_CFLAGS}"
1767     LIBS="${LIBS} ${LIBCPPUNIT_LIBS}"
1768     AC_CHECK_HEADERS(cppunit/extensions/HelperMacros.h)
1769     SQUID_STATE_ROLLBACK(squid_cppunit_state)
1770   ],[
1771     AC_MSG_WARN([cppunit does not appear to be installed. Squid does not require this, but code testing with 'make check' will fail.])
1772   ])
1773 ])
1774
1775 dnl Check for headers
1776 AC_CHECK_HEADERS( \
1777   arpa/inet.h \
1778   arpa/nameser.h \
1779   assert.h \
1780   bstring.h \
1781   crypt.h \
1782   ctype.h \
1783   direct.h \
1784   dirent.h \
1785   errno.h \
1786   execinfo.h \
1787   fcntl.h \
1788   fnmatch.h \
1789   getopt.h \
1790   glob.h \
1791   gnumalloc.h \
1792   grp.h \
1793   ipl.h \
1794   libc.h \
1795   limits.h \
1796   linux/posix_types.h \
1797   linux/types.h \
1798   malloc.h \
1799   math.h \
1800   memory.h \
1801   mount.h \
1802   netdb.h \
1803   netinet/in.h \
1804   netinet/in_systm.h \
1805   netinet/tcp.h \
1806   paths.h \
1807   poll.h \
1808   priv.h \
1809   pwd.h \
1810   regex.h \
1811   sched.h \
1812   siginfo.h \
1813   signal.h \
1814   stdarg.h \
1815   stddef.h \
1816   stdio.h \
1817   stdlib.h \
1818   string.h \
1819   strings.h \
1820   sys/bitypes.h \
1821   sys/file.h \
1822   sys/ioctl.h \
1823   sys/ipc.cc \
1824   sys/param.h \
1825   sys/prctl.h \
1826   sys/procctl.h \
1827   sys/md5.h \
1828   sys/mman.h \
1829   sys/msg.h \
1830   sys/resource.h \
1831   sys/select.h \
1832   sys/shm.h \
1833   sys/socket.h \
1834   sys/stat.h \
1835   syscall.h \
1836   sys/syscall.h \
1837   sys/time.h \
1838   sys/types.h \
1839   sys/uio.h \
1840   sys/un.h \
1841   sys/vfs.h \
1842   sys/wait.h \
1843   syslog.h \
1844   time.h \
1845   unistd.h \
1846   utime.h \
1847   varargs.h \
1848   byteswap.h \
1849   glib.h \
1850   stdint.h \
1851   inttypes.h \
1852   wchar.h
1853 )
1854
1855 AC_CHECK_HEADERS( \
1856   linux/netfilter_ipv4.h \
1857   linux/netfilter_ipv6/ip6_tables.h \
1858 ,,,
1859 SQUID_DEFAULT_INCLUDES
1860 #if HAVE_LIMITS_H
1861 #include <limits.h>
1862 #endif
1863 /* Netfilter ip(6)tables v1.4.0 has broken headers */
1864 #if HAVE_NETINET_IN_H
1865 #include <netinet/in.h>
1866 #endif
1867 )
1868
1869 dnl *BSD do not include the dependencies for all their net/ and netinet/ files
1870 dnl We must include a few basic type headers for them to work.
1871 AC_CHECK_HEADERS( \
1872   net/if.h \
1873   netinet/if_ether.h\
1874   netinet/icmp6.h \
1875   netinet/in.h \
1876   netinet/ip.h \
1877   netinet/ip6.h \
1878   netinet/ip_icmp.h \
1879   netinet/ipl.h \
1880   net/pf/pfvar.h \
1881   net/pfvar.h \
1882   sys/mount.h\
1883   resolv.h \
1884 ,,,
1885 SQUID_BSDNET_INCLUDES)
1886
1887 AC_C_CONST
1888 AC_C_BIGENDIAN
1889
1890 AC_CHECK_MEMBERS([struct tm.tm_gmtoff],,,[
1891 #if HAVE_TIME_H
1892 #include <time.h>
1893 #endif
1894 ])
1895
1896 AC_CHECK_TYPE(struct rusage,AC_DEFINE(HAVE_STRUCT_RUSAGE,1,[The system provides struct rusage]),,[
1897 #if HAVE_SYS_TIME_H
1898 #include <sys/time.h>
1899 #endif
1900 #if HAVE_SYS_RESOURCE_H
1901 #include <sys/resource.h>
1902 #endif
1903 ])
1904
1905 AC_CHECK_MEMBERS([struct iphdr.ip_hl],,,[
1906 #if HAVE_SYS_TYPES_H
1907 #include <sys/types.h>
1908 #endif
1909 #include <netinet/in.h>
1910 #include <netinet/in_systm.h>
1911 #include <netinet/ip.h>
1912 #if defined (__linux__) || defined (__CYGWIN__)
1913 #define ip_hl ihl
1914 #endif
1915 #ifndef __linux__
1916 #ifndef __CYGWIN__
1917 #define iphdr ip
1918 #endif
1919 #endif])
1920
1921 dnl Check for typedefs
1922 AC_CHECK_SIZEOF(void *)
1923
1924 # check for a bunch of types
1925 AC_TYPE_INT8_T
1926 AC_TYPE_UINT8_T
1927 AC_TYPE_INT16_T
1928 AC_TYPE_UINT16_T
1929 AC_TYPE_INT32_T
1930 AC_TYPE_UINT32_T
1931 AC_TYPE_INT64_T
1932 AC_TYPE_UINT64_T
1933 AC_TYPE_PID_T
1934 AC_TYPE_SIZE_T
1935 AC_TYPE_SSIZE_T
1936 AC_TYPE_OFF_T
1937 AC_TYPE_UID_T
1938 AC_CHECK_TYPE([bool])
1939 #need the defines for PRId64
1940 AC_CHECK_SIZEOF(int64_t)
1941 AC_CHECK_SIZEOF(long)
1942 #need the define for overflow checks
1943 AC_CHECK_SIZEOF(off_t)
1944 AC_CHECK_SIZEOF(size_t)
1945
1946 dnl On Solaris 9 x86, gcc may includes a "fixed" set of old system include files
1947 dnl that is incompatible with the updated Solaris header files.
1948 dnl For this reason, we must check if pad128_t and upad128_t are defined.
1949 AC_CHECK_TYPE(pad128_t,
1950   AC_DEFINE(HAVE_PAD128_T,1,[pad128_t is defined in system headers]),
1951   ,SQUID_DEFAULT_INCLUDES)
1952
1953 AC_CHECK_TYPE(upad128_t,
1954   AC_DEFINE(HAVE_UPAD128_T,1,[upad128_t is defined in system headers]),
1955   ,SQUID_DEFAULT_INCLUDES)
1956
1957 AC_CHECK_TYPE(mode_t, AC_DEFINE(HAVE_MODE_T,1,[mode_t is defined by the system headers]),,SQUID_DEFAULT_INCLUDES)
1958 AC_CHECK_TYPE(fd_mask,  AC_DEFINE(HAVE_FD_MASK,1,[fd_mask is defined by the system headers]),,SQUID_DEFAULT_INCLUDES)
1959
1960 AC_CHECK_TYPE(socklen_t,AC_DEFINE(HAVE_SOCKLEN_T,1,[socklen_t is defined by the system headers]),,[
1961 #include <sys/types.h>
1962 #include <sys/socket.h>
1963 #include <stdlib.h>
1964 #include <stddef.h>
1965 ])
1966
1967 AC_CHECK_TYPE(mtyp_t,AC_DEFINE(HAVE_MTYP_T,1,
1968    [mtyp_t is defined by the system headers]),,[#include <sys/types.h>
1969 #include <sys/ipc.h>
1970 #include <sys/msg.h>])
1971
1972 AC_CHECK_TYPE(cpu_set_t,
1973    AC_DEFINE(HAVE_CPU_SET_T,1,[cpu_set_t is defined by the system headers]),,[
1974 #if HAVE_SCHED_H
1975 #include <sched.h>
1976 #endif
1977 ])
1978
1979 dnl Check for special functions
1980 AC_FUNC_ALLOCA
1981
1982 SQUID_AUTO_LIB(cap,[Linux capabilities],[LIBCAP])
1983 SQUID_CHECK_LIB_WORKS(cap,[
1984   SQUID_STATE_SAVE(squid_libcap_state)
1985   PKG_CHECK_MODULES([LIBCAP],[libcap >= 2.09],[:],[:])
1986   CPPFLAGS="$LIBCAP_CFLAGS $CPPFLAGS"
1987   LIBS="$LIBCAP_PATH $LIBCAP_LIBS $LIBS"
1988   SQUID_CHECK_FUNCTIONAL_LIBCAP2
1989   AC_MSG_NOTICE([libcap headers are ok: $squid_cv_sys_capability_works])
1990   AS_IF([test "x$squid_cv_sys_capability_works" = "xno"],[LIBCAP_LIBS=""])
1991   SQUID_STATE_ROLLBACK(squid_libcap_state)
1992 ])
1993
1994 dnl Check for needed libraries
1995 AC_SEARCH_LIBS([gethostbyname],[nsl resolv bind])
1996 AC_SEARCH_LIBS([res_init],[resolv])
1997 AC_SEARCH_LIBS([__res_search],[resolv])
1998 AC_SEARCH_LIBS([bind],[socket])
1999 AC_SEARCH_LIBS([opcom_stack_trace],[opcom_stack])
2000 AC_SEARCH_LIBS([yp_match], [nsl nss_nis nss_nisplus])
2001
2002 # check that we have unix sockets
2003 SQUID_CHECK_UNIX_SOCKET
2004 SQUID_DEFINE_BOOL(HAVE_UNIXSOCKET,$squid_cv_unixsocket,[System supports unix sockets])
2005
2006 AC_CHECK_LIB(gnumalloc, malloc)
2007 AS_IF([test "x$ac_cv_lib_gnumalloc_malloc" = "xyes"],[
2008   AC_MSG_NOTICE([Disabling extended malloc functions when using bundled gnumalloc])
2009   ac_cv_func_mallocblksize=no
2010   ac_cv_func_mallopt=no
2011 ],[
2012   AS_CASE(["$squid_host_os"],
2013     [solaris],[AC_MSG_NOTICE([skipping libmalloc check for $host])],
2014     [freebsd],[AC_MSG_NOTICE([skipping libmalloc check for $host])],
2015     [AC_CHECK_LIB(malloc, main)]
2016   )
2017 ])
2018
2019 AS_IF([test "$squid_host_os" = "mingw"],[
2020   AC_MSG_NOTICE([Use MSVCRT for math functions.])
2021 ],[
2022   dnl log() are only used in old C code for now.
2023   AC_LANG_PUSH([C])
2024   AC_SEARCH_LIBS([log],[m])
2025   AC_LANG_POP([C])
2026 ])
2027
2028 dnl --with-maxfd present for compatibility with Squid-2.
2029 dnl undocumented in ./configure --help  to encourage using the Squid-3 directive
2030 AC_ARG_WITH(maxfd,,[
2031   AS_CASE([$withval],
2032     [@<:@0-9@:>@*],[
2033       squid_filedescriptors_num=$withval
2034       AC_MSG_NOTICE([forcing default of $squid_filedescriptors_num filedescriptors (user-forced)])
2035     ],
2036     [AC_MSG_ERROR(--with-maxfd expects a numeric argument)]
2037   )
2038 ])
2039
2040 AC_ARG_WITH(filedescriptors,
2041   AS_HELP_STRING([--with-filedescriptors=NUMBER],
2042     [Force squid to support NUMBER filedescriptors]),[
2043   AS_CASE([$withval],
2044     [@<:@0-9@:>@*],[
2045       squid_filedescriptors_num=$withval
2046       AC_MSG_NOTICE([forcing default of $squid_filedescriptors_num filedescriptors (user-forced)])],
2047     [AC_MSG_ERROR([--with-filedescriptors expects a numeric argument])]
2048   )
2049 ])
2050
2051 SQUID_CHECK_DEFAULT_FD_SETSIZE
2052 SQUID_CHECK_MAXFD
2053
2054
2055 dnl Enable IPv6 support
2056 AC_MSG_CHECKING([whether to enable IPv6])
2057 AC_ARG_ENABLE(ipv6,
2058   AS_HELP_STRING([--disable-ipv6],[Disable IPv6 support. The default is to probe system capabilities on startup.]), [
2059   SQUID_YESNO([$enableval],[--enable-ipv6])
2060 ])
2061 AC_MSG_RESULT(${enable_ipv6:=yes})
2062 SQUID_DEFINE_BOOL(USE_IPV6,$enable_ipv6,[Enable support for IPv6 ])
2063
2064 AS_IF([test "x$enable_ipv6" = "xyes"],[SQUID_CHECK_SIN6_LEN_IN_SAI])
2065 SQUID_CHECK_SS_LEN_IN_SOCKADDR_STORAGE
2066 SQUID_CHECK_SIN_LEN_IN_SOCKADDR_IN
2067
2068 dnl System-specific library modifications
2069 AH_TEMPLATE(GETTIMEOFDAY_NO_TZP,[Whether gettimeofday takes only one argument])
2070 AS_CASE(["$host"],
2071   [*-pc-sco3.2*],[
2072     # -lintl is needed on SCO version 3.2v4.2 for strftime()
2073     # Robert Side <rside@aiinc.bc.ca>
2074     # Mon, 18 Jan 1999 17:48:00 GMT
2075     AC_CHECK_LIB(intl, strftime)
2076   ],
2077
2078   [i386-*-solaris2.*],[
2079     AS_IF([test "x$GCC" = "xyes"],[
2080       AC_MSG_NOTICE([Removing -O for gcc on $host])
2081       CFLAGS="`echo $CFLAGS | sed -e 's/-O[[0-9g]]*//'`"
2082     ])
2083   ],
2084
2085   [*-sgi-irix*],[
2086     AC_MSG_NOTICE([Removing -lsocket for IRIX...])
2087     LIBS=`echo $LIBS | sed -e s/-lsocket//`
2088     AC_MSG_NOTICE([Removing -lnsl for IRIX...])
2089     LIBS=`echo $LIBS | sed -e s/-lnsl//`
2090     ac_cv_lib_nsl_main=no
2091   ],
2092
2093   [*-ibm-aix*],[
2094     SQUID_CC_REQUIRE_ARGUMENT([ac_cv_require_rtti],[-rtti],[[
2095 #include <assert.h>
2096 #ifndef NULL
2097 #define NULL 0
2098 #endif
2099 class Foo{
2100 public:virtual ~Foo(){}
2101 };
2102 class Bar:public Foo{
2103 public:Bar():Foo(){}
2104 };
2105       ]],[[
2106 Foo * myFoo=new Bar();
2107 Bar * myBar=dynamic_cast<Bar *>(myFoo);
2108 assert(myBar != NULL);
2109       ]])
2110     AS_IF([test "$ac_cv_require_rtti" = "yes"],[
2111       SQUID_CFLAGS="-rtti $SQUID_CFLAGS"
2112       SQUID_CXXFLAGS="-rtti $SQUID_CXXFLAGS"
2113     ])
2114
2115     AC_LANG_PUSH([C])
2116     SQUID_CC_REQUIRE_ARGUMENT([ac_cv_require_qcpluscmt],[-qcpluscmt],[[]],[[//c++ cmt]])
2117     AC_LANG_POP([C])
2118     AS_IF([test "$ac_cv_require_qcpluscmt" = "yes"],[
2119       SQUID_CFLAGS="-qcpluscmt $SQUID_CFLAGS"
2120     ])
2121   ],
2122
2123   [*-*-solaris2.[[0-4]]],[AC_DEFINE(GETTIMEOFDAY_NO_TZP,1)],
2124
2125   [*-sony-newsos[[56]]*],[AC_DEFINE(GETTIMEOFDAY_NO_TZP,1)]
2126 )
2127
2128 dnl This has to be before AC_CHECK_FUNCS
2129 # Disable poll() on certain platforms. Override by setting ac_cv_func_poll
2130 # when running configure.
2131 AS_IF([test "x$ac_cv_func_poll" = "x"],[
2132   AS_CASE(["$host"],
2133     [*-hp-hpux*.*],[
2134       # Duane Wessels
2135       AC_MSG_NOTICE([disabling poll for $host...])
2136       ac_cv_func_poll='no'
2137     ],
2138
2139     [*-linux-*],[
2140       # Henrik Nordstrom (hno@squid-cache.org) 19980817
2141       # poll is problematic on Linux.  We disable it
2142       # by default until Linux gets it right.
2143       rev=`uname -r | awk -F. '{printf "%03d%03d",$1,$2}'`
2144       AS_IF([test $rev -lt 002002],[
2145           AC_MSG_NOTICE([disabling poll for $host < 2.2...])
2146           ac_cv_func_poll='no'
2147       ])
2148     ],
2149
2150     [powerpc-ibm-aix4.1.*],[
2151       # Mike Laster (mlaster@metavillage.com) 19981021
2152       AC_MSG_NOTICE([disabling poll for $host...])
2153       ac_cv_func_poll='no'
2154     ]
2155   )
2156 ])
2157
2158 dnl Check for library functions
2159 AC_CHECK_FUNCS(\
2160         backtrace_symbols_fd \
2161         bcopy \
2162         eui64_aton \
2163         fchmod \
2164         getdtablesize \
2165         getpagesize \
2166         getpass \
2167         getrusage \
2168         getspnam \
2169         gettimeofday \
2170         glob \
2171         mallocblksize \
2172         mallopt \
2173         memcpy \
2174         memmove \
2175         memrchr \
2176         memset \
2177         mkstemp \
2178         mktime \
2179         mstats \
2180         poll \
2181         prctl \
2182         procctl \
2183         pthread_attr_setschedparam \
2184         pthread_attr_setscope \
2185         pthread_setschedparam \
2186         pthread_sigmask \
2187         putenv \
2188         regcomp \
2189         regexec \
2190         regfree \
2191         res_init \
2192         __res_init \
2193         rint \
2194         sched_getaffinity \
2195         sched_setaffinity \
2196         select \
2197         seteuid \
2198         setgroups \
2199         setpflags \
2200         setpgrp \
2201         setsid \
2202         setresuid \
2203         sigaction \
2204         snprintf \
2205         socketpair \
2206         sysconf \
2207         syslog \
2208         timegm \
2209         vsnprintf \
2210 )
2211 dnl ... and some we provide local replacements for
2212 AC_REPLACE_FUNCS(\
2213         initgroups \
2214         psignal \
2215         strerror \
2216         strtoll \
2217         tempnam \
2218 )
2219
2220 # Magic which checks whether we are forcing a type of comm loop we
2221 # are actually going to (ab)use.
2222 # Mostly ripped from squid-commloops, thanks to adrian and benno
2223
2224 AS_IF([test "x$squid_opt_io_loop_engine" != "x"],
2225   AC_MSG_NOTICE([choosing user-specified net I/O API $squid_opt_io_loop_engine]),
2226   [test "x$enable_epoll" != "xno" -a "x$squid_cv_epoll_works" = "xyes"],
2227   squid_opt_io_loop_engine="epoll",
2228   [test "x$enable_kqueue" != "xno"],
2229   squid_opt_io_loop_engine="kqueue",
2230   [test "x$enable_devpoll" != "xno"],
2231   squid_opt_io_loop_engine="devpoll",
2232   [test "x$enable_poll" != "xno" -a "x$ac_cv_func_poll" = "xyes"],
2233   squid_opt_io_loop_engine="poll",
2234   [test "x$enable_select" != "xno" -a "x$ac_cv_func_select" = "xyes"],
2235   squid_opt_io_loop_engine="select",
2236   [
2237     AC_MSG_WARN([Eep!  Cannot find epoll, kqueue, /dev/poll, poll or select!])
2238     AC_MSG_WARN([Will try select and hope for the best.])
2239     squid_opt_io_loop_engine="select"
2240   ]
2241 )
2242
2243 AC_MSG_NOTICE([Using ${squid_opt_io_loop_engine} for the IO loop.])
2244
2245 AM_CONDITIONAL(ENABLE_POLL, test "x$squid_opt_io_loop_engine" = "xpoll")
2246 AM_CONDITIONAL(ENABLE_EPOLL, test "x$squid_opt_io_loop_engine" = "xepoll")
2247 AM_CONDITIONAL(ENABLE_SELECT, test "x$squid_opt_io_loop_engine" = "xselect")
2248 AM_CONDITIONAL(ENABLE_KQUEUE, test "x$squid_opt_io_loop_engine" = "xkqueue")
2249 AM_CONDITIONAL(ENABLE_DEVPOLL, test "x$squid_opt_io_loop_engine" = "xdevpoll")
2250
2251 AS_CASE([$squid_opt_io_loop_engine],
2252   [epoll],[AC_DEFINE(USE_EPOLL,1,[Use epoll() for the IO loop])],
2253   [devpoll],[AC_DEFINE(USE_DEVPOLL,1,[Use /dev/poll for the IO loop])],
2254   [poll],[AC_DEFINE(USE_POLL,1,[Use poll() for the IO loop])],
2255   [kqueue],[AC_DEFINE(USE_KQUEUE,1,[Use kqueue() for the IO loop])],
2256   [select],[AC_DEFINE(USE_SELECT,1,[Use select() for the IO loop])],
2257 )
2258
2259 AS_IF([test "x$ac_cv_func_sched_getaffinity" = "xyes" -a "x$ac_cv_func_sched_setaffinity" = "xyes"],[
2260   AC_DEFINE(HAVE_CPU_AFFINITY,1,[Support setting CPU affinity for workers])
2261 ])
2262
2263 AC_CHECK_HEADERS(mswsock.h)
2264 AC_MSG_CHECKING([for constant CMSG_SPACE])
2265 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
2266   #if HAVE_SYS_SOCKET_H
2267   #include <sys/socket.h>
2268   #endif
2269   #if HAVE_MSWSOCK_H
2270   #include <mswsock.h>
2271   #endif
2272
2273   int a[CMSG_SPACE(int)];
2274 ]])], [
2275   AC_MSG_RESULT(yes)
2276   AC_DEFINE(HAVE_CONSTANT_CMSG_SPACE, 1, [Define to 1 if CMSG_SPACE is constant])
2277 ], [
2278   AC_MSG_RESULT(no)
2279 ])
2280
2281 AC_CHECK_TYPE(struct cmsghdr,AC_DEFINE(HAVE_CMSGHDR,1,[The system provides struct cmsghdr]),,[
2282   #if HAVE_SYS_SOCKET_H
2283   #include <sys/socket.h>
2284   #endif
2285   #if HAVE_MSWSOCK_H
2286   #include <mswsock.h>
2287   #endif
2288   #if HAVE_WINSOCK2_H
2289   #include <winsock2.h>
2290   #endif
2291 ])
2292
2293 AC_CHECK_TYPE(struct iovec,AC_DEFINE(HAVE_IOVEC,1,[The system provides struct iovec]),,[
2294   #if HAVE_SYS_SOCKET_H
2295   #include <sys/socket.h>
2296   #endif
2297   #if HAVE_WINSOCK2_H
2298   #include <winsock2.h>
2299   #endif
2300   #if HAVE_SYS_UIO_H
2301   #include <sys/uio.h>
2302   #endif
2303 ])
2304
2305 AC_CHECK_TYPE(struct msghdr,AC_DEFINE(HAVE_MSGHDR,1,[The system provides struct msghdr]),,[
2306   #if HAVE_SYS_SOCKET_H
2307   #include <sys/socket.h>
2308   #endif
2309   #if HAVE_MSWSOCK_H
2310   #include <mswsock.h>
2311   #endif
2312   #if HAVE_WINSOCK2_H
2313   #include <winsock2.h>
2314   #endif
2315 ])
2316
2317 AC_CHECK_TYPE(struct sockaddr_un,AC_DEFINE(HAVE_SOCKADDR_UN,1,[The system provides sockaddr_un]),,[
2318   #if HAVE_SYS_UN_H
2319   #include <sys/un.h>
2320   #endif
2321   #if HAVE_SYS_SOCKET_H
2322   #include <sys/socket.h>
2323   #endif
2324   #if HAVE_WINSOCK2_H
2325   #include <winsock2.h>
2326   #endif
2327 ])
2328
2329 dnl IP-Filter support requires ipf header files. These aren't
2330 dnl installed by default, so we need to check for them
2331 AS_IF([test "x$enable_ipf_transparent" != "xno"],[
2332   SQUID_CHECK_BROKEN_SOLARIS_IPFILTER
2333   AC_MSG_CHECKING(for availability of IP-Filter header files)
2334   # hold on to your hats...
2335   AS_IF(
2336   [test "x$ac_cv_header_ip_compat_h" = "xyes" -o \
2337     "x$ac_cv_header_ip_fil_compat_h" = "xyes" -o \
2338     "x$ac_cv_header_netinet_ip_compat_h" = "xyes" -o \
2339     "x$ac_cv_header_netinet_ip_fil_compat_h" = "xyes"],
2340   [have_ipfilter_compat_header="yes"])
2341
2342   AS_IF(
2343   [test "x$have_ipfilter_compat_header" = "xyes" -a \
2344     "x$ac_cv_header_ip_fil_h" = "xyes" -a \
2345     "x$ac_cv_header_ip_nat_h" = "xyes"],[enable_ipf_transparent="yes"],
2346
2347   [test "x$have_ipfilter_compat_header" = "xyes" -a \
2348     "x$ac_cv_header_netinet_ip_fil_h" = "xyes" -a \
2349     "x$ac_cv_header_netinet_ip_nat_h" = "xyes"],[enable_ipf_transparent="yes"],
2350   [enable_ipf_transparent="no"])
2351
2352   AC_MSG_RESULT($IPF_TRANSPARENT)
2353
2354 ## On Solaris Ipfilter includes expect that SOLARIS2 is defined with the
2355 ## Solaris minor version (8, 9, 10, ...)
2356   AS_IF([test "x$enable_ipf_transparent" = "xyes" -a "x$squid_host_os" = "xsolaris"],[
2357     solrev=`uname -r | sh -c 'IFS=. read j n x; echo $n'`
2358     CFLAGS="-DSOLARIS2=$solrev $CFLAGS"
2359     CXXFLAGS="-DSOLARIS2=$solrev $CXXFLAGS"
2360   ])
2361 ])
2362 AC_MSG_NOTICE([IPF-based transparent proxying enabled: $enable_ipf_transparent])
2363 SQUID_DEFINE_BOOL(IPF_TRANSPARENT,$enable_ipf_transparent,
2364     [Enable support for IPF-style transparent proxying])
2365
2366 dnl PF /dev/pf support requires a header file.
2367 AS_IF([test "x$with_nat_devpf" != "xno"],[
2368   AS_IF([test "x$ac_cv_header_net_pfvar_h" = "xyes" -o \
2369     "x$ac_cv_header_net_pf_pfvar_h" = "xyes"],[
2370     AS_IF([test "x$with_nat_devpf" = "xauto"],[with_nat_devpf="no"])
2371   ],[
2372     AS_IF([test "x$with_nat_devpf" = "xyes"],[
2373       AC_MSG_ERROR([PF /dev/pf based NAT requested but needed header not found])
2374     ])
2375     with_nat_devpf="no"
2376   ])
2377 ])
2378 SQUID_DEFINE_BOOL(PF_TRANSPARENT,${enable_pf_transparent:=no},
2379   [Enable support for PF-style transparent proxying])
2380 SQUID_DEFINE_BOOL(USE_NAT_DEVPF,${with_nat_devpf:=no},
2381   [Enable support for /dev/pf NAT lookups])
2382
2383 AS_IF([test "x$enable_linux_netfilter" != "xno"],[
2384   AS_IF([test "x$ac_cv_header_linux_netfilter_ipv4_h" = "xyes"],[
2385     AS_IF([test "x$enable_linux_netfilter" = "xauto"],[enable_linux_netfilter=yes])
2386   ],[
2387     AS_IF([test "x$enable_linux_netfilter" = "xauto"],[
2388       enable_linux_netfilter=no
2389     ],[
2390       AC_MSG_ERROR([Linux Netfilter support requested but needed headers not found])
2391     ])
2392   ])
2393 ])
2394 SQUID_DEFINE_BOOL(LINUX_NETFILTER,$enable_linux_netfilter,
2395   [Enable support for Transparent Proxy on Linux via Netfilter])
2396
2397 dnl Netfilter TPROXY depends on libcap but the NAT parts can still work.
2398 AC_MSG_NOTICE([Support for Netfilter-based interception proxy requested: $enable_linux_netfilter])
2399 AS_IF([test "x$enable_linux_netfilter" = "xyes" -a "x$with_cap" != "xyes"],[
2400   AC_MSG_WARN([Missing needed capabilities (libcap 2.09+) for TPROXY])
2401   AC_MSG_WARN([Linux Transparent Proxy (version 4+) support WILL NOT be enabled])
2402   AC_MSG_WARN([Reduced support to NAT Interception Proxy])
2403   # AC_DEFINEd later
2404 ])
2405 AS_IF([test "x$with_netfilter_conntrack" = "xyes" -a "x$with_cap" != "xyes"],[
2406   AC_MSG_WARN([Missing needed capabilities (libcap 2.09+) for netfilter mark support])
2407   AC_MSG_WARN([Linux netfilter marking support WILL NOT be enabled])
2408   with_netfilter_conntrack=no
2409 ])
2410 AC_MSG_NOTICE([Linux Netfilter Conntrack support enabled: ${with_netfilter_conntrack}])
2411
2412
2413 AC_ARG_ENABLE(zph-qos,
2414   AS_HELP_STRING([--disable-zph-qos],[Disable ZPH QOS support]), [
2415   SQUID_YESNO([$enableval],[--enable-zph-qos])
2416 ])
2417 SQUID_DEFINE_BOOL(USE_QOS_TOS,${enable_zph_qos:=yes},
2418           [Enable Zero Penalty Hit QOS. When set, Squid will alter the
2419            TOS field of HIT responses to help policing network traffic])
2420 AC_MSG_NOTICE([ZPH QOS enabled: $enable_zph_qos])
2421 AS_IF([test "x$enable_zph_qos" = "xyes"],[
2422   AC_MSG_NOTICE([QOS netfilter mark preservation enabled: $with_netfilter_conntrack])
2423   SQUID_DEFINE_BOOL(USE_LIBNETFILTERCONNTRACK,${with_netfilter_conntrack:=no},
2424     [Enable support for QOS netfilter mark preservation])
2425 ])
2426
2427 AC_CHECK_LIB(regex, regexec, [REGEXLIB="-lregex"],[REGEXLIB=''])
2428 AC_SUBST(REGEXLIB)
2429
2430 SQUID_DETECT_UDP_SND_BUFSIZE
2431 SQUID_DETECT_UDP_RECV_BUFSIZE
2432 SQUID_DETECT_TCP_SND_BUFSIZE
2433 SQUID_DETECT_TCP_RECV_BUFSIZE
2434
2435 SQUID_CHECK_NEED_SYS_ERRLIST
2436 SQUID_CHECK_MAXPATHLEN
2437
2438 SQUID_CHECK_LIBRESOLV_DNS_TTL_HACK
2439 SQUID_CHECK_RESOLVER_FIELDS
2440
2441 AC_CHECK_HEADERS(sys/statvfs.h)
2442 AS_IF([test "x$ac_cv_header_sys_statvfs_h" = "xyes"],[SQUID_CHECK_WORKING_STATVFS])
2443 AS_IF([test "x$ac_cv_func_statvfs" != "xyes"],[
2444   AC_CHECK_HEADERS(sys/param.h sys/mount.h sys/vfs.h sys/statfs.h)
2445   AC_CHECK_FUNCS(statfs)
2446   SQUID_CHECK_F_FRSIZE_IN_STATFS
2447 ])
2448
2449 dnl Squid will not usually attempt to translate templates when building
2450 AC_ARG_ENABLE(translation,
2451  AS_HELP_STRING([--enable-translation],[Generate the localized error page templates and manuals.
2452                  Which can also be downloaded from http://www.squid-cache.org/Versions/langpack/.]), [
2453   SQUID_YESNO([$enableval],[--enable-translation])
2454 ])
2455 AS_IF([test "x${enable_translation:=no}" = "xyes"],[
2456   AX_WITH_PROG([PO2HTML],[po2html])
2457   AX_WITH_PROG([PO2TEXT],[po2txt])
2458 ],[
2459   PO2HTML="off"
2460   PO2TEXT="off"
2461 ])
2462 AC_SUBST(PO2HTML)
2463 AC_SUBST(PO2TEXT)
2464 AM_CONDITIONAL(ENABLE_TRANSLATION, test "x${enable_translation:=no}" = "xyes")
2465
2466 dnl Squid now has limited locale handling ...
2467 dnl on error pages
2468 AC_ARG_ENABLE(auto-locale,
2469  AS_HELP_STRING([--disable-auto-locale],[This prevents Squid providing localized error pages based on the
2470                  clients request headers.
2471                  When disabled Squid requires explicit language configuration.]), [
2472   SQUID_YESNO([$enableval],[--enable-auto-locale])
2473 ])
2474 AC_MSG_NOTICE([Multi-Language support enabled: ${enable_auto_locale:=yes}])
2475 SQUID_DEFINE_BOOL(USE_ERR_LOCALES,$enable_auto_locale,
2476    [Use multi-language support on error pages])
2477
2478
2479 dnl Need the debugging version of malloc if available
2480 XTRA_OBJS=''
2481 AS_IF([test "x$ac_cv_lib_malloc_main" = "xyes"],[
2482   AS_IF([test -r /usr/lib/debug/malloc.o],[XTRA_OBJS="$XTRA_OBJS /usr/lib/debug/malloc.o"])
2483   AS_IF([test -r /usr/lib/debug/mallocmap.o],[XTRA_OBJS="$XTRA_OBJS /usr/lib/debug/mallocmap.o"]);
2484 ])
2485 AC_SUBST(XTRA_OBJS)
2486
2487 AS_IF([test "x$XTRA_LIBS" = "x"],[
2488   XTRA_LIBS="$LIBS"
2489   dnl minor cleanup
2490   XTRA_LIBS=`echo $XTRA_LIBS | sed -e "s/  */ /g"`
2491   LIBS=''
2492 ])
2493 AC_SUBST(XTRA_LIBS)
2494
2495 AC_SUBST(SQUID_CFLAGS)
2496 AC_SUBST(SQUID_CXXFLAGS)
2497
2498 # Prerequisite: CXXFLAGS have been finalized.
2499 AC_ARG_VAR([BUILDCXXFLAGS],[C++ compiler flags for building compile-time tools. e.g. cf_gen])
2500 AS_IF([test "x$BUILDCXXFLAGS" = "x"],[
2501   # if we are NOT cross-compiling, use the default build flags for cf_gen and friends
2502   # otherwise rely on the user-provided value
2503   AS_IF([test "x$squid_cv_check_marchnative" = "xyes"],[
2504     # always valid for the Build compiler.
2505     BUILDCXXFLAGS="-march=native"
2506   ])
2507   BUILDCXXFLAGS="$BUILDCXXFLAGS $CXXFLAGS"
2508 ])
2509 AC_SUBST(BUILDCXXFLAGS)
2510
2511 AC_MSG_NOTICE([BUILD LIBRARIES: $LIBS])
2512 AC_MSG_NOTICE([BUILD EXTRA LIBRARIES: $XTRA_LIBS])
2513 AC_MSG_NOTICE([BUILD OBJECTS: $OBJS])
2514 AC_MSG_NOTICE([BUILD EXTRA OBJECTS: $XTRA_OBJS])
2515 AC_MSG_NOTICE([BUILD C FLAGS: $CFLAGS])
2516 AC_MSG_NOTICE([BUILD EXTRA C FLAGS: $SQUID_CFLAGS])
2517 AC_MSG_NOTICE([BUILD C++ FLAGS: $CXXFLAGS])
2518 AC_MSG_NOTICE([BUILD EXTRA C++ FLAGS: $SQUID_CXXFLAGS])
2519 AC_MSG_NOTICE([BUILD Tools C++ FLAGS: $BUILDCXXFLAGS])
2520
2521 dnl Clean up after OSF/1 core dump bug
2522 rm -f core
2523
2524 AC_CONFIG_FILES([
2525         Makefile
2526         compat/Makefile
2527         contrib/Makefile
2528         doc/Makefile
2529         doc/manuals/Makefile
2530         doc/release-notes/Makefile
2531         errors/Makefile
2532         icons/Makefile
2533         lib/Makefile
2534         lib/libTrie/Makefile
2535         lib/libTrie/test/Makefile
2536         lib/ntlmauth/Makefile
2537         lib/rfcnb/Makefile
2538         lib/smblib/Makefile
2539         lib/snmplib/Makefile
2540         lib/sspi/Makefile
2541         scripts/Makefile
2542         src/Makefile
2543         src/acl/Makefile
2544         src/acl/external/Makefile
2545         src/acl/external/AD_group/Makefile
2546         src/acl/external/delayer/Makefile
2547         src/acl/external/eDirectory_userip/Makefile
2548         src/acl/external/file_userip/Makefile
2549         src/acl/external/kerberos_ldap_group/Makefile
2550         src/acl/external/kerberos_sid_group/Makefile
2551         src/acl/external/LDAP_group/Makefile
2552         src/acl/external/LM_group/Makefile
2553         src/acl/external/session/Makefile
2554         src/acl/external/SQL_session/Makefile
2555         src/acl/external/unix_group/Makefile
2556         src/acl/external/wbinfo_group/Makefile
2557         src/acl/external/time_quota/Makefile
2558         src/adaptation/Makefile
2559         src/adaptation/icap/Makefile
2560         src/adaptation/ecap/Makefile
2561         src/anyp/Makefile
2562         src/auth/Makefile
2563         src/auth/basic/Makefile
2564         src/auth/basic/DB/Makefile
2565         src/auth/basic/fake/Makefile
2566         src/auth/basic/getpwnam/Makefile
2567         src/auth/basic/LDAP/Makefile
2568         src/auth/basic/NCSA/Makefile
2569         src/auth/basic/NIS/Makefile
2570         src/auth/basic/PAM/Makefile
2571         src/auth/basic/POP3/Makefile
2572         src/auth/basic/RADIUS/Makefile
2573         src/auth/basic/SASL/Makefile
2574         src/auth/basic/SMB/Makefile
2575         src/auth/basic/SMB_LM/Makefile
2576         src/auth/basic/SSPI/Makefile
2577         src/auth/digest/Makefile
2578         src/auth/digest/eDirectory/Makefile
2579         src/auth/digest/file/Makefile
2580         src/auth/digest/LDAP/Makefile
2581         src/auth/negotiate/Makefile
2582         src/auth/negotiate/kerberos/Makefile
2583         src/auth/negotiate/SSPI/Makefile
2584         src/auth/negotiate/wrapper/Makefile
2585         src/auth/ntlm/Makefile
2586         src/auth/ntlm/fake/Makefile
2587         src/auth/ntlm/SMB_LM/Makefile
2588         src/auth/ntlm/SSPI/Makefile
2589         src/base/Makefile
2590         src/clients/Makefile
2591         src/comm/Makefile
2592         src/debug/Makefile
2593         src/dns/Makefile
2594         src/DiskIO/Makefile
2595         src/DiskIO/AIO/Makefile
2596         src/DiskIO/Blocking/Makefile
2597         src/DiskIO/DiskDaemon/Makefile
2598         src/DiskIO/DiskThreads/Makefile
2599         src/DiskIO/IpcIo/Makefile
2600         src/DiskIO/Mmapped/Makefile
2601         src/error/Makefile
2602         src/esi/Makefile
2603         src/eui/Makefile
2604         src/format/Makefile
2605         src/fs/Makefile
2606         src/ftp/Makefile
2607         src/helper/Makefile
2608         src/html/Makefile
2609         src/http/Makefile
2610         src/http/one/Makefile
2611         src/http/url_rewriters/Makefile
2612         src/http/url_rewriters/fake/Makefile
2613         src/http/url_rewriters/LFS/Makefile
2614         src/icmp/Makefile
2615         src/ident/Makefile
2616         src/ip/Makefile
2617         src/ipc/Makefile
2618         src/log/Makefile
2619         src/log/DB/Makefile
2620         src/log/file/Makefile
2621         src/mem/Makefile
2622         src/mgr/Makefile
2623         src/parser/Makefile
2624         src/proxyp/Makefile
2625         src/repl/Makefile
2626         src/sbuf/Makefile
2627         src/security/Makefile
2628         src/security/cert_generators/Makefile
2629         src/security/cert_generators/file/Makefile
2630         src/security/cert_validators/Makefile
2631         src/security/cert_validators/fake/Makefile
2632         src/servers/Makefile
2633         src/snmp/Makefile
2634         src/ssl/Makefile
2635         src/store/Makefile
2636         src/store/id_rewriters/Makefile
2637         src/store/id_rewriters/file/Makefile
2638         src/time/Makefile
2639         test-suite/Makefile
2640         tools/Makefile
2641         tools/apparmor/Makefile
2642         tools/helper-mux/Makefile
2643         tools/systemd/Makefile
2644         tools/sysvinit/Makefile
2645 ])
2646
2647 # must configure libltdl subdir unconditionally for "make distcheck" to work
2648 #AC_CONFIG_SUBDIRS(libltdl)
2649
2650 AC_OUTPUT