configure.ac

   1 dnl TODO: clean up all the OpenSSL and shared module checking stuff;
   2 dnl the most major changes have already been made and it looks like
   3 dnl said functions need to be just about as complex as they already are.
   4
   5 AC_PREREQ(2.57)
   6
   7 AC_INIT([charybdis], [3.6.0-dev])
   8
   9 AC_PREFIX_DEFAULT($HOME/ircd)
  10 AC_CONFIG_MACRO_DIR([m4])
  11 AC_CONFIG_HEADER(include/setup.h)
  12
  13 AC_CONFIG_AUX_DIR([libltdl/config])
  14 AC_CONFIG_MACRO_DIR([libltdl/m4])
  15 AM_INIT_AUTOMAKE([])
  16 AM_SILENT_RULES([yes])
  17 AM_PROG_AR
  18
  19 LT_INIT([dlopen disable-static])
  20
  21 LT_CONFIG_LTDL_DIR([extra/libltdl])
  22 LTDL_INIT
  23
  24 build_ltdl=$with_included_ltdl
  25 AM_CONDITIONAL([BUILD_LTDL], [test x"$build_ltdl" = x"yes"])
  26
  27 AC_PROG_CC_C99([], [AC_MSG_ERROR(charybdis requires a C99 capable compiler)])
  28
  29 AC_GNU_SOURCE
  30
  31 OLD_CFLAGS="$CFLAGS"
  32 dnl Checks for programs.
  33 AC_PROG_CC
  34 AC_LANG(C)
  35
  36 dnl Make sure autoconf doesn't interfere with cflags -jmallett
  37 CFLAGS="$OLD_CFLAGS"
  38
  39 AC_CONFIG_SUBDIRS(libratbox)
  40
  41 if test "$ac_cv_c_compiler_gnu" = yes; then
  42         IRC_CFLAGS="$IRC_CFLAGS -O0 -Wall -std=gnu99"
  43 fi
  44
  45 dnl If we support -g, use it!
  46 if test "$ac_cv_prog_cc_g" = yes; then
  47         IRC_CFLAGS="$IRC_CFLAGS -g"
  48 fi
  49
  50 dnl check for /dev/null so we can use it to hold evil fd's
  51 AC_MSG_CHECKING([for /dev/null])
  52 if test -c /dev/null ; then
  53         AC_DEFINE(PATH_DEVNULL, "/dev/null", [Path to /dev/null])
  54         AC_MSG_RESULT(yes)
  55 else
  56         AC_DEFINE(PATH_DEVNULL, "devnull.log", [Path to /dev/null])
  57         AC_MSG_RESULT(no - using devnull.log)
  58 fi
  59
  60 dnl jdc -- If CFLAGS is defined, best use it everywhere...
  61 dnl NOTE: jv says it must be added to the *END*, because things like
  62 dnl "gcc -O9 -O2" will result in -O2 getting preference.  How stupid.
  63 if test ! -z "$CFLAGS"; then
  64         IRC_CFLAGS="$IRC_CFLAGS $CFLAGS"
  65 fi
  66
  67 AC_ISC_POSIX
  68 AC_C_INLINE
  69 AC_PROG_GCC_TRADITIONAL
  70 AC_PROG_MAKE_SET
  71 AC_PROG_INSTALL
  72 AC_PATH_PROG(RM, rm)
  73 AC_PATH_PROG(CP, cp)
  74 AC_PATH_PROG(MV, mv)
  75 AC_PATH_PROG(LN, ln)
  76 AC_PATH_PROG(SED, sed)
  77 AC_PATH_PROG(AR, ar)
  78 AC_PATH_PROG(LD, ld)
  79 AC_PATH_PROG(RANLIB, ranlib)
  80 AC_PATH_PROG(TOUCH, touch)
  81
  82 AC_PROG_YACC
  83
  84 dnl AC_PROG_YACC defaults to yacc unconditionally if nothing can be found
  85 if test "$YACC" = "yacc" -a -z "`which $YACC 2>/dev/null`"; then
  86         AC_MSG_ERROR([could not locate a suitable parser generator; install bison, yacc, or byacc])
  87 fi
  88
  89 AC_PROG_LEX
  90
  91 if test "$LEX" = ":"; then
  92         AC_MSG_ERROR([could not locate a suitable lexical generator, install flex or lex.])
  93 fi
  94
  95 AC_ARG_ENABLE([fhs-paths],
  96         [AS_HELP_STRING([--enable-fhs-paths], [Use more FHS-like pathnames (for packagers).])],
  97         [],
  98         [dnl detect if the user appears to want --enable-fhs-paths
  99         AS_IF([test "$libexecdir" = '${exec_prefix}/libexec' && \
 100                 test "$localstatedir" = '${prefix}/var' && \
 101                 test "$libdir" = '${exec_prefix}/lib'],
 102                 [enable_fhs_paths=no],
 103                 [enable_fhs_paths=yes])
 104         ])
 105 dnl use directory structure of cached as default (hack)
 106 AS_IF([test "x$enable_fhs_paths" = "xyes"],
 107         [dnl Avoid name collisions.
 108         pkglibexecdir='${libexecdir}/${PACKAGE_TARNAME}'
 109         rundir=${rundir-'${prefix}/run'}
 110         pkgrundir='${rundir}/${PACKAGE_TARNAME}'
 111         pkglocalstatedir='${localstatedir}/${PACKAGE_TARNAME}'],
 112         [libexecdir='${bindir}'
 113         pkglibexecdir='${libexecdir}'
 114         rundir='${sysconfdir}'
 115         pkgrundir='${rundir}'
 116         localstatedir='${prefix}'
 117         pkglocalstatedir='${sysconfdir}'])
 118 pkglibdir='${libdir}/${PACKAGE_TARNAME}'
 119 AC_SUBST([pkglibdir])
 120 AC_SUBST([rundir])
 121 AC_SUBST([pkgrundir])
 122 AC_SUBST([pkglocalstatedir])
 123 AC_DEFINE_DIR([PKGLOCALSTATEDIR], [pkglocalstatedir], [[Directory in which to store state, such as ban database]])
 124 AC_SUBST([pkglibexecdir])
 125 AC_DEFINE_DIR([PKGLIBEXECDIR], [pkglibexecdir], [Directory where binaries the IRCd itself spawns live])
 126
 127 dnl Checks for header files.
 128 AC_HEADER_STDC
 129
 130 AC_CHECK_HEADERS([crypt.h sys/resource.h sys/param.h errno.h sys/syslog.h stddef.h sys/wait.h wait.h sys/epoll.h sys/uio.h machine/endian.h])
 131
 132 dnl Stuff that the memory manager (imalloc) depends on
 133 dnl ==================================================
 134
 135 AC_C_CONST
 136 if test "$ac_cv_header_machine_endian_h" = "no" ; then
 137     AC_C_BIGENDIAN
 138 fi
 139 AC_TYPE_PID_T
 140 AC_TYPE_SIZE_T
 141 AC_CHECK_SIZEOF(short)
 142 AC_CHECK_SIZEOF(int)
 143 AC_CHECK_SIZEOF(long)
 144 AC_CHECK_SIZEOF(long long)
 145
 146 dnl Networking Functions
 147 dnl ====================
 148
 149 AC_SEARCH_LIBS(socket, socket, , [AC_MSG_ERROR([You have no socket()! Aborting.])])
 150
 151 dnl SunOS/Solaris required libnsl for inet_ntoa()
 152 if test x"$SUN" = xyes; then
 153         AC_SEARCH_LIBS(inet_ntoa, nsl,, [AC_MSG_ERROR([libnsl not found! Aborting.])])
 154 fi
 155
 156 AC_CHECK_TYPE(socklen_t, ,
 157 [AC_DEFINE([socklen_t], [unsigned int],
 158 [If we don't have a real socklen_t, unsigned int is good enough.])],
 159 [#include <sys/types.h>
 160 #include <sys/socket.h>])
 161
 162 AC_ARG_ENABLE(ipv6,
 163 AC_HELP_STRING([--enable-ipv6],[Enable IPv6 support]),[ipv6=$enableval],[ipv6=no])
 164
 165 AC_SEARCH_LIBS(crypt, [crypt descrypt],,)
 166
 167 CRYPT_LIB=$ac_cv_search_crypt
 168
 169 if test "$CRYPT_LIB" = "none required"; then
 170         unset CRYPT_LIB
 171 elif test "$CRYPT_LIB" = no; then
 172         unset CRYPT_LIB
 173 fi
 174
 175 AC_SUBST(CRYPT_LIB)
 176
 177 if test "$ac_cv_header_sys_wait_h" = yes -o "$ac_cv_header_wait_h" = yes; then
 178         VICONF=viconf
 179         dnl We need one of the above to build viconf. Just a sanity check,
 180         dnl we don't want to stop people from building the rest of ircd
 181         dnl just because they can't build viconf.
 182 else
 183         VICONF=""
 184 fi
 185
 186 AC_SUBST(VICONF)
 187
 188 dnl See whether we can include both string.h and strings.h.
 189 AC_CACHE_CHECK([whether string.h and strings.h may both be included],
 190 gcc_cv_header_string,
 191 [
 192         AC_COMPILE_IFELSE(
 193         [#include <string.h>
 194         #include <strings.h>],
 195         [gcc_cv_header_string=yes],
 196         [gcc_cv_header_string=no])
 197 ])
 198
 199 if test "$gcc_cv_header_string" = "yes"; then
 200         AC_DEFINE(STRING_WITH_STRINGS, 1, [Define to 1 if string.h may be included along with strings.h])
 201 fi
 202
 203 AC_C_BIGENDIAN
 204
 205 dnl Check for stdarg.h - if we can't find it, halt configure
 206 AC_CHECK_HEADER(stdarg.h, , [AC_MSG_ERROR([** stdarg.h could not be found - charybdis will not compile without it **])])
 207
 208 dnl Checks for the existence of strlcat, strlcpy, basename...
 209 dnl This more reliable test only works with gcc though.
 210
 211 if test "$ac_cv_c_compiler_gnu" = yes; then
 212
 213 AC_MSG_CHECKING(for strlcpy)
 214 save_CFLAGS=$CFLAGS
 215 CFLAGS="$CFLAGS -Wimplicit -Werror"
 216
 217 AC_LINK_IFELSE(
 218         [AC_LANG_PROGRAM(
 219                 [[#include <string.h>
 220                 #include <stdlib.h>]],
 221                 [[char *a = malloc(6);
 222                 strlcpy(a, "hello", 6);]]
 223         )],
 224         [AC_MSG_RESULT(yes)
 225         AC_DEFINE(HAVE_STRLCPY, 1, [Define if strlcpy is available (most BSDs.)])],
 226         [AC_MSG_RESULT(no)]
 227 )
 228
 229 AC_MSG_CHECKING(for strlcat)
 230 AC_LINK_IFELSE(
 231         [AC_LANG_PROGRAM(
 232                 [[#include <string.h>
 233                 #include <stdlib.h>]],
 234                 [[char *a = malloc(6);
 235                 a[0] = '\0';
 236                 strlcat(a, "hello", 6);]]
 237         )],
 238         [AC_MSG_RESULT(yes)
 239         AC_DEFINE(HAVE_STRLCAT, 1, [Define if strlcat is available (most BSDs.)])],
 240         [AC_MSG_RESULT(no)]
 241 )
 242
 243 CFLAGS=$save_CFLAGS
 244
 245 else
 246
 247 dnl Better than nothing. The more complicated test above probably fixes powerpc,
 248 dnl so who cares.
 249
 250 AC_CHECK_FUNCS([strlcat strlcpy])
 251
 252 fi
 253
 254 AC_CHECK_TYPE([u_int32_t], [],
 255 [
 256         AC_CHECK_TYPE([uint32_t],
 257         [
 258                 AC_DEFINE(u_int32_t, [uint32_t], [If system does not define u_int32_t, define a reasonable substitute.])
 259         ],
 260         [
 261                 AC_MSG_WARN([system has no u_int32_t or uint32_t, default to unsigned long int])
 262                 AC_DEFINE(u_int32_t, [unsigned long int], [If system does not define u_int32_t, define to unsigned long int here.])
 263         ])
 264 ])
 265
 266 AC_CHECK_TYPE([u_int16_t], [],
 267 [
 268         AC_CHECK_TYPE([uint16_t],
 269         [
 270                 AC_DEFINE(u_int16_t, [uint16_t], [If system does not define u_int16_t, define a usable substitute])
 271         ],
 272         [
 273                 AC_MSG_WARN([system has no u_int16_t or uint16_t, default to unsigned short int])
 274                 AC_DEFINE(u_int16_t, [unsigned short int], [If system does not define u_int16_t, define a usable substitute.])
 275         ])
 276 ])
 277
 278 AC_CHECK_TYPE([in_port_t], [],
 279 [AC_DEFINE(in_port_t, [u_int16_t], [If system does not define in_port_t, define it to what it should be.])],
 280 [[#include <sys/types.h>
 281 #include <netinet/in.h>]])
 282
 283 AC_CHECK_TYPE([sa_family_t], [],
 284 [AC_DEFINE(sa_family_t, [u_int16_t], [If system does not define sa_family_t, define it here.])],
 285 [[#include <sys/types.h>
 286 #include <sys/socket.h>]])
 287
 288 AC_CHECK_TYPES([uintptr_t])
 289
 290 dnl check for various functions...
 291 AC_CHECK_FUNCS([socketpair vsnprintf mmap gettimeofday strdup strndup ])
 292
 293 AC_FUNC_ALLOCA
 294
 295 dnl Specialized functions checks
 296 dnl ============================
 297
 298 dnl check for nanosleep
 299 AC_CHECK_FUNC(nanosleep,,[AC_CHECK_LIB(rt,nanosleep,
 300                  LIBS="${LIBS} -lrt",
 301                  [AC_CHECK_LIB(posix4,nanosleep, LIBS="${LIBS} -lposix4"
 302                  )])])
 303 if test x$ac_cv_func_nanosleep = xno && test x$ac_cv_lib_posix4_nanosleep = xno  && test x$ac_cv_lib_rt_nanosleep = xno
 304 then
 305          AC_MSG_RESULT("nanosleep not found..using select for delay")
 306 else
 307          AC_DEFINE([HAVE_NANOSLEEP], 1, [Define if nanosleep exists])
 308 fi
 309
 310 dnl OpenSSL support
 311 AC_MSG_CHECKING(for OpenSSL)
 312 AC_ARG_ENABLE(openssl,
 313 [AC_HELP_STRING([--enable-openssl[=DIR]],[Enable OpenSSL support (DIR optional).])
 314 AC_HELP_STRING([--disable-openssl],[Disable OpenSSL support.])],
 315 [cf_enable_openssl=$enableval],
 316 [cf_enable_openssl="auto"])
 317
 318 if test "$cf_enable_openssl" != "no" ; then
 319         cf_openssl_basedir=""
 320         if test "$cf_enable_openssl" != "auto" &&
 321         test "$cf_enable_openssl" != "yes" ; then
 322                 dnl Support for --enable-openssl=/some/place
 323                 cf_openssl_basedir="`echo ${cf_enable_openssl} | sed 's/\/$//'`"
 324         else
 325         dnl Do the auto-probe here.  Check some common directory paths.
 326                 for dirs in /usr/local/ssl /usr/pkg /usr/local \
 327                 /usr/local/openssl ; do
 328                         if test -f "${dirs}/include/openssl/opensslv.h" ; then
 329                                 cf_openssl_basedir="${dirs}"
 330                         break
 331                         fi
 332                 done
 333                 unset dirs
 334         fi
 335         dnl Now check cf_openssl_found to see if we found anything.
 336         if test ! -z "$cf_openssl_basedir"; then
 337                 if test -f "${cf_openssl_basedir}/include/openssl/opensslv.h" ; then
 338                         SSL_INCLUDES="-I${cf_openssl_basedir}/include"
 339                         SSL_LIBS="-L${cf_openssl_basedir}/lib"
 340                 else
 341                 dnl OpenSSL wasn't found in the directory specified.  Naughty
 342                 dnl administrator...
 343                 cf_openssl_basedir=""
 344                 fi
 345         else
 346         dnl Check for stock FreeBSD 4.x and 5.x systems, since their files
 347         dnl are in /usr/include and /usr/lib.  In this case, we don't want to
 348         dnl change INCLUDES or LIBS, but still want to enable OpenSSL.
 349         dnl We can't do this check above, because some people want two versions
 350         dnl of OpenSSL installed (stock FreeBSD 4.x/5.x and /usr/local/ssl)
 351         dnl and they want /usr/local/ssl to have preference.
 352                 if test -f "/usr/include/openssl/opensslv.h" ; then
 353                         cf_openssl_basedir="/usr"
 354                 fi
 355         fi
 356
 357         dnl If we have a basedir defined, then everything is okay.  Otherwise,
 358         dnl we have a problem.
 359         if test ! -z "$cf_openssl_basedir"; then
 360                 AC_MSG_RESULT($cf_openssl_basedir)
 361                 cf_enable_openssl="yes"
 362         else
 363                 AC_MSG_RESULT([not found. Specify a correct path?])
 364                 cf_enable_openssl="no"
 365         fi
 366         unset cf_openssl_basedir
 367 else
 368         dnl If --disable-openssl was specified
 369         AC_MSG_RESULT(disabled)
 370 fi
 371
 372 save_CPPFLAGS="$CPPFLAGS"
 373 CPPFLAGS="$CPPFLAGS $SSL_INCLUDES"
 374 save_LIBS="$LIBS"
 375 LIBS="$LIBS $SSL_LIBS"
 376 if test "$cf_enable_openssl" != no; then
 377         dnl Check OpenSSL version (must be 0.9.6 or above!)
 378         AC_MSG_CHECKING(for OpenSSL 0.9.6 or above)
 379         AC_RUN_IFELSE(
 380                 AC_LANG_PROGRAM(
 381                 [#include <openssl/opensslv.h>
 382                 #include <stdlib.h>],
 383                 [[if ( OPENSSL_VERSION_NUMBER >= 0x00906000)
 384                 exit(0); else exit(1);]]),
 385         cf_openssl_version_ok=yes,
 386         cf_openssl_version_ok=no,
 387         cf_openssl_version_ok=no)
 388
 389         if test "$cf_openssl_version_ok" = yes; then
 390                 AC_MSG_RESULT(found)
 391
 392                 dnl Work around pmake/gmake conditional incompatibilities
 393                 AC_SUBST(ENCSPEED, encspeed)
 394
 395                 dnl Do all the HAVE_LIBCRYPTO magic -- and check for ciphers
 396                 CPPFLAGS="$CPPFLAGS $SSL_LIBS"
 397                 AC_CHECK_LIB(crypto, RSA_free)
 398                 SSL_LIBS="$SSL_LIBS -lcrypto"
 399                 SSL_SRCS_ENABLE='$(SSL_SRCS)'
 400         else
 401                 AC_MSG_RESULT(no - OpenSSL support disabled)
 402         fi
 403 fi
 404
 405 CPPFLAGS="$save_CPPFLAGS"
 406 LIBS="$save_LIBS"
 407
 408 dnl End OpenSSL detection
 409
 410
 411 dnl Specialized functions and libraries
 412 dnl ===================================
 413
 414 AC_ARG_WITH(zlib-path,
 415 AC_HELP_STRING([--with-zlib-path=DIR],[Path to libz.so for ziplinks support.]),
 416 [LIBS="$LIBS -L$withval"],)
 417
 418 AC_ARG_ENABLE(zlib,
 419 AC_HELP_STRING([--disable-zlib],[Disable ziplinks support]),
 420 [zlib=$enableval],[zlib=yes])
 421
 422 if test "$zlib" = yes; then
 423
 424 AC_CHECK_HEADER(zlib.h, [
 425         AC_CHECK_LIB(z, zlibVersion,
 426         [
 427                 AC_SUBST(ZLIB_LD, -lz)
 428                 AC_DEFINE(HAVE_LIBZ, 1, [Define to 1 if zlib (-lz) is available.])
 429         ], zlib=no)
 430 ], zlib=no)
 431
 432 fi
 433
 434 dnl Check for shared sqlite
 435 dnl ======================
 436 AC_ARG_WITH(shared-sqlite,
 437 AC_HELP_STRING([--with-shared-sqlite],[Use shared sqlite]),
 438 [shared_sqlite=$withval],[shared_sqlite=no])
 439
 440 if test "$shared_sqlite" = yes; then
 441         PKG_CHECK_MODULES(SQLITE, [sqlite3],
 442         [
 443                 shared_sqlite=yes
 444         ], shared_sqlite=no)
 445 fi
 446
 447 if test "$shared_sqlite" = no; then
 448         SQLITE_OBJ='sqlite3.$(OBJEXT)'
 449 fi
 450
 451 AC_SUBST(SQLITE_LD, "$SQLITE_LIBS")
 452 AC_SUBST(SQLITE_INCLUDES, "$SQLITE_CFLAGS")
 453 AC_SUBST(SQLITE_OBJ)
 454
 455 dnl IO Loop Selection
 456 dnl =================
 457
 458 AC_ARG_ENABLE(ports, AC_HELP_STRING([--enable-ports],[Force solaris I/O ports subsystem usage.]),
 459 [ if test $enableval = yes; then
 460         SELECT_TYPE_EXPLICIT="ports"
 461   else
 462         use_ports=no
 463   fi
 464 ],)
 465
 466 AC_ARG_ENABLE(poll, AC_HELP_STRING([--enable-poll],[Force poll() usage.]),
 467 [ if test $enableval = yes; then
 468         SELECT_TYPE_EXPLICIT="poll"
 469   else
 470         use_poll=no
 471   fi
 472 ],)
 473
 474 AC_ARG_ENABLE(select, AC_HELP_STRING([--enable-select],[Force select() usage.]),
 475 [ if test $enableval = yes; then
 476         SELECT_TYPE_EXPLICIT="select"
 477   else
 478         use_select=no
 479   fi
 480 ],)
 481
 482 AC_ARG_ENABLE(kqueue, AC_HELP_STRING([--enable-kqueue],[Force kqueue() usage.]),
 483 [ if test $enableval = yes; then
 484         SELECT_TYPE_EXPLICIT="kqueue"
 485   else
 486         use_kqueue=no
 487   fi
 488 ],)
 489
 490 AC_ARG_ENABLE(epoll, AC_HELP_STRING([--enable-epoll],[Force sys_epoll usage (Linux only).]),
 491 [ if test $enableval = yes; then
 492         SELECT_TYPE_EXPLICIT="epoll"
 493         AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], [haveepoll=no])
 494   else
 495         use_epoll=no
 496   fi
 497 ],)
 498
 499 dnl **********************************************************************
 500 dnl Check for --with-confdir [deprecated, use --sysconfdir instead]
 501 dnl **********************************************************************
 502
 503 AC_ARG_WITH([confdir],
 504         [AC_HELP_STRING([--with-confdir=DIR],
 505                [Directory to install config files [deprecated, use --sysconfdir instead].])],
 506         [ sysconfdir=`echo $withval | sed 's/\/$//'` ],
 507         [ confdir='${sysconfdir}' ])
 508 AC_DEFINE_DIR([ETC_DIR], [sysconfdir], [Prefix where config files are installed.])
 509
 510 dnl **********************************************************************
 511 dnl Check for --with-logdir
 512 dnl **********************************************************************
 513
 514 AC_MSG_CHECKING([whether to modify logdir])
 515 AC_ARG_WITH(logdir,
 516 AC_HELP_STRING([--with-logdir=DIR],
 517                [Directory where to write logfiles.]),
 518                [ logdir=`echo $withval | sed 's/\/$//'`
 519                  AC_MSG_RESULT(yes)],
 520                [ AS_IF([test "x$enable_fhs_paths" = "xyes"],
 521                         [logdir='${localstatedir}/log/${PACKAGE_TARNAME}'],
 522                         [logdir='${prefix}/logs'])
 523                  AC_MSG_RESULT(no)])
 524 AC_DEFINE_DIR([LOG_DIR], [logdir], [Prefix where to write logfiles.])
 525 AC_SUBST_DIR([logdir])
 526
 527 dnl **********************************************************************
 528 dnl Check for --with-helpdir
 529 dnl **********************************************************************
 530
 531 AC_MSG_CHECKING([whether to modify helpdir])
 532 AC_ARG_WITH(helpdir,
 533 AC_HELP_STRING([--with-helpdir=DIR],
 534                [Directory to install help files.]),
 535                [ helpdir=`echo $withval | sed 's/\/$//'`
 536                  AC_MSG_RESULT(yes) ],
 537                [ AS_IF([test "x$enable_fhs_paths" = "xyes"],
 538                         [helpdir='${datadir}/${PACKAGE_TARNAME}/help'],
 539                         [helpdir='${prefix}/help'])
 540                  AC_MSG_RESULT(no) ])
 541 AC_DEFINE_DIR([HELP_DIR], [helpdir], [Prefix where help files are installed.])
 542 AC_SUBST_DIR([helpdir])
 543
 544 dnl **********************************************************************
 545 dnl Check for --with-moduledir
 546 dnl **********************************************************************
 547
 548 AC_MSG_CHECKING([whether to modify moduledir])
 549 AC_ARG_WITH(moduledir,
 550         [AC_HELP_STRING([--with-moduledir=DIR],
 551                [Directory to install modules.])],
 552                [ moduledir=`echo $withval | sed 's/\/$//'`
 553                  AC_MSG_RESULT(yes)],
 554                [ AS_IF([test "x$enable_fhs_paths" = "xyes"],
 555                         [moduledir='${pkglibdir}/modules'],
 556                         [moduledir='${prefix}/modules'])
 557                  AC_MSG_RESULT(no)
 558                 ])
 559 AC_DEFINE_DIR(MODULE_DIR, moduledir, [Prefix where modules are installed.])
 560 AC_SUBST_DIR([moduledir])
 561
 562 dnl Check for --with-rundir
 563
 564 AC_MSG_CHECKING([whether or modify rundir])
 565 AC_ARG_WITH([rundir],
 566         [AC_HELP_STRING([--with-rundir=DIR],
 567                 [Directory in which to store pidfile.])],
 568         [AC_MSG_RESULT([yes])
 569         rundir=`echo $withval | sed 's/\/$//'`],
 570         [AC_MSG_RESULT([no])
 571         AS_IF([test "x$enable_fhs_paths" = "xyes"],
 572                 [rundir='${prefix}/run'],
 573                 [rundir='${sysconfdir}'])])
 574 AC_SUBST([rundir])
 575 AC_DEFINE_DIR([PKGRUNDIR], [pkgrundir], [Directory to store pidfile in.])
 576
 577 dnl Installed utility program prefixes (does not affect binaries
 578 dnl installed into pkglibexecdir)
 579 AC_MSG_CHECKING([for program prefix])
 580 AC_ARG_WITH([program-prefix],
 581         [AS_HELP_STRING([--with-program-prefix=], [If set, programs installed into PATH will be installed with names prefixed by this prefix.])],
 582         [test "x$with_program_prefix" = "xno" && with_program_prefix=],
 583         [with_program_prefix=])
 584 AC_MSG_RESULT(["$with_program_prefix"])
 585 PROGRAM_PREFIX="$with_program_prefix"
 586 AC_SUBST([PROGRAM_PREFIX])
 587 AC_DEFINE_UNQUOTED([PROGRAM_PREFIX], ["$with_program_prefix"], [String with which all programs intended to be in PATH are prefixed.])
 588
 589 dnl **********************************************************************
 590 dnl Branding
 591 dnl **********************************************************************
 592
 593 AC_MSG_CHECKING([whether custom branding is requested])
 594 AC_ARG_WITH(custom-branding,
 595 AC_HELP_STRING([--with-custom-branding=NAME],
 596                [Custom branding name.]),
 597                [BRANDING_NAME=$withval
 598                 AC_MSG_RESULT([yes])],
 599                [BRANDING_NAME=$PACKAGE_NAME
 600                 AC_MSG_RESULT([no])]
 601 )
 602
 603 AC_MSG_CHECKING([whether a custom version is requested])
 604 AC_ARG_WITH(custom-version,
 605 AC_HELP_STRING([--with-custom-version=NAME],
 606                [Custom version branding.]),
 607                [BRANDING_VERSION=$withval
 608                 AC_MSG_RESULT([yes])],
 609                [BRANDING_VERSION=$PACKAGE_VERSION
 610                 AC_MSG_RESULT([no])]
 611 )
 612
 613 AC_DEFINE_UNQUOTED(BRANDING_NAME, ["$BRANDING_NAME"], [Custom branding name.])
 614 AC_DEFINE_UNQUOTED(BRANDING_VERSION, ["$BRANDING_VERSION"], [Custom branding name.])
 615
 616 if test "x$BRANDING_NAME" != "x$PACKAGE_NAME"; then
 617         AC_DEFINE(CUSTOM_BRANDING, 1, [Define if custom branding is enabled.])
 618 fi
 619
 620 if test ! -z "$SELECT_TYPE_EXPLICIT"; then
 621         SELECT_TYPE="$SELECT_TYPE_EXPLICIT";
 622         echo "Forcing $SELECT_TYPE to be enabled"
 623 else
 624
 625 if test ! "x$use_ports" = "xno"; then
 626         AC_CHECK_FUNCS(port_getn, [haveports=yes], [haveports=no])
 627         if test "x$haveports" = "xyes" ; then
 628                 SELECT_TYPE="ports"
 629         fi
 630 fi
 631
 632 if test ! "x$use_select" = "xno"; then
 633         AC_CHECK_FUNCS(select, [haveselect=yes], [haveselect=no])
 634         if test "x$haveselect" = "xyes" ; then
 635                 SELECT_TYPE="select"
 636         fi
 637 fi
 638
 639 if test ! "x$use_poll" = "xno"; then
 640         AC_CHECK_FUNCS(poll, [havepoll=yes], [havepoll=no])
 641         if test "x$havepoll" = "xyes" ; then
 642                 SELECT_TYPE="poll"
 643         fi
 644 fi
 645
 646 if test ! "x$use_kqueue" = "xno"; then
 647         AC_CHECK_FUNCS(kevent, [havekqueue=yes], [havekqueue=no])
 648         if test "x$havekqueue" = "xyes" ; then
 649                 SELECT_TYPE="kqueue"
 650         fi
 651 fi
 652
 653 if test ! "x$use_epoll" = "xno"; then
 654         AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], [haveepoll=no])
 655         if test "x$ac_cv_header_sys_epoll_h" = "xyes"; then
 656                 if test "x$haveepoll" = "xyes" ; then
 657                         AC_MSG_CHECKING(for epoll support in kernel)
 658                         AC_TRY_RUN(
 659 #include <stdint.h>
 660 #include <sys/param.h>
 661 #include <sys/types.h>
 662 #include <sys/epoll.h>
 663 #include <sys/syscall.h>
 664 #include <unistd.h>
 665
 666 int
 667 main(int argc, char **argv)
 668 {
 669         int epfd;
 670
 671         epfd = epoll_create(256);
 672         return (epfd == -1 ? 1 : 0);
 673 }, [AC_MSG_RESULT(yes)
 674             AC_DEFINE(HAVE_EPOLL, 1,
 675                 [Define if your system supports the epoll system calls])
 676             SELECT_TYPE="epoll"],
 677             AC_MSG_RESULT(no), AC_MSG_RESULT(no))
 678                 fi
 679         fi
 680
 681 haveepollsyscall=no
 682
 683 if test "x$ac_cv_header_sys_epoll_h" = "xyes"; then
 684         if test "x$haveepoll" = "xno" ; then
 685                 AC_MSG_CHECKING(for epoll system call)
 686                 AC_TRY_RUN(
 687 #include <stdint.h>
 688 #include <sys/param.h>
 689 #include <sys/types.h>
 690 #include <sys/epoll.h>
 691 #include <sys/syscall.h>
 692 #include <unistd.h>
 693
 694 int
 695 epoll_create(int size)
 696 {
 697         return (syscall(__NR_epoll_create, size));
 698 }
 699
 700 int
 701 main(int argc, char **argv)
 702 {
 703         int epfd;
 704
 705         epfd = epoll_create(256);
 706         exit (epfd == -1 ? 1 : 0);
 707 }, [AC_MSG_RESULT(yes)
 708     AC_DEFINE(HAVE_EPOLL, 1,
 709         [Define if your system supports the epoll system calls])
 710     SELECT_TYPE="epoll"],
 711     AC_MSG_RESULT(no), AC_MSG_RESULT(no))
 712         fi
 713 fi
 714
 715 fi
 716
 717 fi
 718
 719 if test -z "$SELECT_TYPE"; then
 720         AC_MSG_ERROR([Unable to find a usable IO interface],)
 721 fi
 722
 723 echo "Using $SELECT_TYPE for select loop."
 724
 725 AC_DEFINE_UNQUOTED(SELECT_TYPE, "$SELECT_TYPE", [This is the type of IO loop we are using])
 726 AC_SUBST(SELECT_TYPE)
 727
 728
 729 dnl Debug-related options
 730 dnl =====================
 731
 732 AC_ARG_ENABLE(assert,
 733 AC_HELP_STRING([--enable-assert],[Enable assert(). Choose between soft(warnings) and hard(aborts the daemon)]),
 734 [assert=$enableval], [assert=no])
 735
 736 if test "$assert" = no; then
 737         AC_DEFINE(NDEBUG, 1, [Define this to disable debugging support.])
 738 elif test "$assert" = soft; then
 739         AC_DEFINE(SOFT_ASSERT, 1, [Define this to enable soft asserts.])
 740         AC_DEFINE(NDEBUG, 1, [Define this to disable debugging support.])
 741 elif test "$assert" = yes; then
 742         assert = "hard";
 743 fi
 744
 745 AC_MSG_CHECKING(if you want IO Debugging hooks)
 746 AC_ARG_ENABLE(iodebug,
 747 AC_HELP_STRING([--enable-iodebug],[Enable IO Debugging hooks]),
 748 [iodebug=$enableval], [iodebug=no])
 749
 750 if test "$iodebug" = yes; then
 751         AC_DEFINE(USE_IODEBUG_HOOKS, 1, [Define this to enable IO Debug hooks.])
 752         AC_MSG_RESULT(yes)
 753 else
 754         AC_MSG_RESULT(no)
 755 fi
 756
 757
 758 AC_MSG_CHECKING(if you want to do a profile build)
 759 AC_ARG_ENABLE(profile,
 760 AC_HELP_STRING([--enable-profile],[Enable profiling]),
 761 [profile=$enableval], [profile=no])
 762
 763 if test "$profile" = yes; then
 764         if test "$ac_cv_c_compiler_gnu" = yes; then
 765                 IRC_CFLAGS="$IRC_CFLAGS -pg"
 766                 AC_MSG_RESULT([yes, adding -pg])
 767                 AC_DEFINE(CHARYBDIS_PROFILE, 1, [Define this if you are profiling.])
 768         else
 769                 AC_MSG_RESULT([no, profile builds only work with gcc])
 770         fi
 771 else
 772         AC_MSG_RESULT(no)
 773 fi
 774
 775 AC_ARG_ENABLE(balloc,
 776 AC_HELP_STRING([--disable-balloc],[Disable the block allocator.]),
 777 [balloc=$enableval], [balloc=yes])
 778
 779 if test "$balloc" = no; then
 780         AC_DEFINE([NOBALLOC], 1, [Define to 1 if you wish to disable the block allocator.])
 781 fi
 782
 783 AC_ARG_ENABLE(small-net,
 784 AC_HELP_STRING([--enable-small-net],[Enable small network support.]),
 785 [small_net=$enableval], [small_net=no])
 786
 787 if test "$small_net" = yes; then
 788 dnl     AC_DEFINE([HASHSIZE], 4096, [Max number of buckets in hash tables.])
 789         AC_DEFINE([NICKNAMEHISTORYLENGTH], 1500, [Size of the WHOWAS array.])
 790         AC_DEFINE([CHANNEL_HEAP_SIZE], 256, [Size of the channel heap.])
 791         AC_DEFINE([BAN_HEAP_SIZE], 128, [Size of the ban heap.])
 792         AC_DEFINE([CLIENT_HEAP_SIZE], 256, [Size of the client heap.])
 793         AC_DEFINE([LCLIENT_HEAP_SIZE], 128, [Size of the local client heap.])
 794         AC_DEFINE([PCLIENT_HEAP_SIZE], 32, [Size of the pre-client heap.])
 795         AC_DEFINE([USER_HEAP_SIZE], 128, [Size of the user heap.])
 796         AC_DEFINE([DNODE_HEAP_SIZE], 256, [Size of the dlink_node heap.])
 797         AC_DEFINE([TOPIC_HEAP_SIZE], 256, [Size of the topic heap.])
 798         AC_DEFINE([LINEBUF_HEAP_SIZE], 128, [Size of the linebuf heap.])
 799         AC_DEFINE([MEMBER_HEAP_SIZE], 256, [Sizeof member heap.])
 800         AC_DEFINE([ND_HEAP_SIZE], 128, [Size of the nick delay heap.])
 801         AC_DEFINE([CONFITEM_HEAP_SIZE], 128, [Size of the confitem heap.])
 802         AC_DEFINE([MONITOR_HEAP_SIZE], 128, [Size of the monitor heap.])
 803         AC_DEFINE([FD_HEAP_SIZE], 128, [Size of fd heap.])
 804         AC_DEFINE([AWAY_HEAP_SIZE], 128, [Size of away heap.])
 805 else
 806 dnl These settings are for a large network like efnet..they will use lots of memory
 807 dnl so enable small net unless you really need this much support
 808         AC_DEFINE([NICKNAMEHISTORYLENGTH], 15000, [Size of the WHOWAS array.])
 809         AC_DEFINE([CHANNEL_HEAP_SIZE], 8192, [Size of the channel heap.])
 810         AC_DEFINE([BAN_HEAP_SIZE], 4096, [Size of the ban heap.])
 811         AC_DEFINE([CLIENT_HEAP_SIZE], 8192, [Size of the client heap.])
 812         AC_DEFINE([LCLIENT_HEAP_SIZE], 1024, [Size of the local client heap.])
 813         AC_DEFINE([PCLIENT_HEAP_SIZE], 256, [Size of the pre-client heap.])
 814         AC_DEFINE([USER_HEAP_SIZE], 8192, [Size of the user heap.])
 815         AC_DEFINE([DNODE_HEAP_SIZE], 8192, [Size of the dlink_node heap.])
 816         AC_DEFINE([TOPIC_HEAP_SIZE], 4096, [Size of the topic heap.])
 817         AC_DEFINE([LINEBUF_HEAP_SIZE], 2048, [Size of the linebuf heap.])
 818         AC_DEFINE([MEMBER_HEAP_SIZE], 32768, [Sizeof member heap.])
 819         AC_DEFINE([ND_HEAP_SIZE], 512, [Size of the nick delay heap.])
 820         AC_DEFINE([CONFITEM_HEAP_SIZE], 256, [Size of the confitem heap.])
 821         AC_DEFINE([MONITOR_HEAP_SIZE], 1024, [Size of the monitor heap.])
 822         AC_DEFINE([FD_HEAP_SIZE], 1024, [Size of fd heap.])
 823         AC_DEFINE([AWAY_HEAP_SIZE], 512, [Size of away heap.])
 824 fi
 825
 826 AC_ARG_WITH(nicklen,
 827 AC_HELP_STRING([--with-nicklen=LENGTH],[Set the upper-bound nick length to LENGTH (default 31, max 50)]),
 828 [
 829   if ! expr "$withval" + 0 >/dev/null 2>&1; then
 830         AC_ERROR([NICKLEN must be a numeric value])
 831   fi
 832   if test $withval -gt 50; then
 833         NICKLEN=50
 834         AC_MSG_WARN([NICKLEN has a hard limit of 50. Setting NICKLEN=50])
 835   elif test $withval -lt 9; then
 836         NICKLEN=9
 837         AC_MSG_WARN([NICKLEN has a lower limit of 9. Setting NICKLEN=9])
 838   else
 839         NICKLEN="$withval"
 840   fi
 841 ], [NICKLEN=31])
 842
 843 AC_ARG_WITH(topiclen,
 844 AC_HELP_STRING([--with-topiclen=NUMBER],[Set the max topic length to NUMBER (default 390, max 390)]),
 845 [
 846  if test $withval -ge 390; then
 847         TOPICLEN=390
 848         AC_MSG_WARN([TOPICLEN has a hard limit of 390. Setting TOPICLEN=390])
 849  else
 850         TOPICLEN=$withval
 851  fi
 852 ], [TOPICLEN=390])
 853
 854 AC_DEFINE_UNQUOTED(TOPICLEN, ${TOPICLEN}, [Maximum topic length (<=390)])
 855 AC_DEFINE_UNQUOTED(NICKLEN, (${NICKLEN}+1), [Nickname length])
 856
 857 # rpath, for finding libratbox.so at run time
 858 hold_ldflags=$LDFLAGS
 859 AC_MSG_CHECKING(for the ld -rpath flag)
 860 LDFLAGS="${LDFLAGS} -Wl,-rpath=${libdir}"
 861 AC_LINK_IFELSE(AC_LANG_PROGRAM([],[int i;]), found=yes, found=no)
 862 LDFLAGS=$hold_ldflags
 863 AC_MSG_RESULT($found)
 864 if test "$found" = yes; then
 865         LDFLAGS="${LDFLAGS} -Wl,-rpath=\${libdir}"
 866 fi
 867
 868 # This must be down here, or it will mess up checks like the ones
 869 # for -Wl,-export-dynamic
 870 # -- jilles
 871 CWARNS=""
 872 AC_ARG_ENABLE(warnings,
 873 AC_HELP_STRING([--enable-warnings],[Enable all sorts of warnings for debugging.]),
 874 [
 875 IRC_CFLAGS="$IRC_CFLAGS -O0"
 876 CFLAGS="$IRC_CFLAGS"
 877
 878 CHARYBDIS_C_GCC_TRY_FLAGS([-Wall], charybdis_cv_c_gcc_w_all)
 879 CHARYBDIS_C_GCC_TRY_FLAGS([-Wpointer-arith], charybdis_cv_c_gcc_w_pointer_arith)
 880 CHARYBDIS_C_GCC_TRY_FLAGS([-Wimplicit -Wnested-externs], charybdis_cv_c_gcc_w_implicit)
 881 CHARYBDIS_C_GCC_TRY_FLAGS([-Wcast-align], charybdis_cv_c_gcc_w_cast_align)
 882 CHARYBDIS_C_GCC_TRY_FLAGS([-Wcast-qual], charybdis_cv_c_gcc_w_cast_qual)
 883 CHARYBDIS_C_GCC_TRY_FLAGS([-Wwrite-strings], charybdis_cv_c_gcc_w_write_strings)
 884 CHARYBDIS_C_GCC_TRY_FLAGS([-Werror-implicit-function-declaration], charybdis_cv_c_gcc_w_error_implicit_function_declaration)
 885 CHARYBDIS_C_GCC_TRY_FLAGS([-Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations], charybdis_cv_c_gcc_prototypes)
 886 CHARYBDIS_C_GCC_TRY_FLAGS([-Wparenthesis], charybdis_cv_c_gcc_parenthesis)
 887 CHARYBDIS_C_GCC_TRY_FLAGS([-W -Wno-unused], charybdis_cv_c_gcc_w)
 888 CHARYBDIS_C_GCC_TRY_FLAGS([-Wextra], charybdis_cv_c_gcc_w_extra)
 889 CHARYBDIS_C_GCC_TRY_FLAGS([-Wshadow], charybdis_cv_c_gcc_w_shadow)
 890 CHARYBDIS_C_GCC_TRY_FLAGS([-Wmissing-noreturn], charybdis_cv_c_gcc_w_missing_noreturn)
 891 CHARYBDIS_C_GCC_TRY_FLAGS([-Wundef], charybdis_cv_c_gcc_w_undef)
 892 CHARYBDIS_C_GCC_TRY_FLAGS([-Wpacked], charybdis_cv_c_gcc_w_packed)
 893 CHARYBDIS_C_GCC_TRY_FLAGS([-Wnested-externs], charybdis_cv_c_gcc_w_nested_externs)
 894 CHARYBDIS_C_GCC_TRY_FLAGS([-Wunused-function -Wunused-label -Wunused-value -Wunused-variable], charybdis_cv_c_gcc_w_unused)
 895 CHARYBDIS_C_GCC_TRY_FLAGS([-Wredundant-decls], charybdis_cv_c_gcc_w_redundant_decls)
 896 CHARYBDIS_C_GCC_TRY_FLAGS([-Wfloat-equal], charybdis_cv_c_gcc_w_float_equal)
 897 CHARYBDIS_C_GCC_TRY_FLAGS([-Wformat -Wformat-y2k -Wno-format-security], charybdis_cv_c_gcc_w_format)
 898
 899 IRC_CFLAGS="$CFLAGS"
 900 ],[])
 901
 902 IRC_CFLAGS="$IRC_CFLAGS $CWARNS"
 903
 904 AC_SUBST(MODULES_LIBS)
 905 AC_SUBST(MOD_TARGET)
 906
 907 AC_SUBST(SSL_SRCS_ENABLE)
 908 AC_SUBST(SSL_INCLUDES)
 909 AC_SUBST(SSL_LIBS)
 910
 911 AC_SUBST(LDFLAGS)
 912 AC_SUBST(PICFLAGS)
 913 AC_SUBST(IRC_CFLAGS)
 914 AC_SUBST(SEDOBJ)
 915
 916
 917 if test "$prefix" = "NONE"; then
 918         AC_DEFINE_UNQUOTED(IRCD_PREFIX, "$ac_default_prefix", [Prefix where the ircd is installed.])
 919
 920 else
 921
 922 dnl Don't get bitten by Cygwin's stupidity if the user specified
 923 dnl a custom prefix with a trailing slash
 924
 925         prefix=`echo $prefix | sed 's/\/$//'`
 926         AC_DEFINE_UNQUOTED(IRCD_PREFIX, "$prefix", [Prefix where the ircd is installed.])
 927
 928 fi
 929
 930 AC_CONFIG_FILES(                        \
 931         Makefile                        \
 932         bandb/Makefile                  \
 933         ssld/Makefile                   \
 934         extensions/Makefile             \
 935         ircd/Makefile                   \
 936         modules/Makefile                \
 937         tools/Makefile                  \
 938         tools/genssl                    \
 939         doc/Makefile                    \
 940         help/Makefile                   \
 941 )
 942 AC_CONFIG_COMMANDS([tools/genssl_chmod], [chmod 755 tools/genssl])
 943
 944 AC_OUTPUT
 945
 946 if test "$cf_openssl_version_ok" = yes; then
 947         openssl="yes"
 948 else
 949         openssl="no"
 950 fi
 951
 952 echo "
 953 Configuration of ${BRANDING_NAME}-${BRANDING_VERSION}:
 954         Install directory  : $prefix
 955
 956         Ziplinks           : $zlib
 957         OpenSSL            : $openssl
 958         Socket Engine      : $SELECT_TYPE
 959         Small network      : $small_net
 960         Block allocator    : $balloc
 961
 962         Nickname length    : $NICKLEN
 963         Topic length       : $TOPICLEN
 964
 965 Use (g)make to compile $BRANDING_NAME, then (g)make install to install it.
 966 "