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(2.60)
   6
   7 AC_INIT([charybdis], [4.1-dev])
   8
   9 AC_LANG(C)
  10 AC_USE_SYSTEM_EXTENSIONS
  11 AC_GNU_SOURCE
  12
  13 AC_PROG_CC_C99
  14
  15 if test x"$ac_cv_prog_cc_c99" = "xno"; then
  16         AC_ERROR([charybdis requires a C99 capable compiler])
  17 fi
  18
  19 AC_PREFIX_DEFAULT($HOME/ircd)
  20 AC_CONFIG_MACRO_DIR([m4])
  21 AC_CONFIG_HEADER(include/setup.h)
  22
  23 AC_CONFIG_SUBDIRS([librb])
  24 AC_CONFIG_AUX_DIR([libltdl/config])
  25
  26 AM_INIT_AUTOMAKE([subdir-objects])
  27 AM_SILENT_RULES([yes])
  28 AM_PROG_AR
  29
  30 LT_INIT([dlopen disable-static])
  31 LT_CONFIG_LTDL_DIR([libltdl])
  32 LTDL_INIT
  33
  34 build_ltdl=$with_included_ltdl
  35 AM_CONDITIONAL([BUILD_LTDL], [test x"$build_ltdl" = x"yes"])
  36
  37 case "$host_os" in
  38 *cygwin*)
  39      AC_DEFINE_UNQUOTED(CYGWIN,1,[This is a Cygwin system])
  40      AC_DEFINE_UNQUOTED(WINDOWS,1,[This is a Windows system])
  41      ;;
  42 *mingw* | *msys*)
  43      AC_DEFINE_UNQUOTED(MINGW,1,[This is a MinGW system])
  44      AC_DEFINE_UNQUOTED(WINDOWS,1,[This is a Windows system])
  45      AC_CHECK_HEADER(winsock2.h, , [AC_MSG_ERROR([** MinGW and no winsock2.h.  I give up.])])
  46      LIBS="$LIBS -lws2_32 -liphlpapi"
  47      is_mingw="yes"
  48      ;;
  49 *)
  50      ;;
  51 esac
  52
  53 AM_CONDITIONAL([MINGW], [test "$is_mingw" = "yes"])
  54
  55 if test "$ac_cv_c_compiler_gnu" = yes; then
  56         IRC_CFLAGS="$IRC_CFLAGS -O0 -Wall"
  57 fi
  58
  59 dnl If we support -g, use it!
  60 if test "$ac_cv_prog_cc_g" = yes; then
  61         IRC_CFLAGS="$IRC_CFLAGS -g"
  62 fi
  63
  64 dnl check for /dev/null so we can use it to hold evil fd's
  65 AC_MSG_CHECKING([for /dev/null])
  66 if test -c /dev/null ; then
  67         AC_DEFINE(PATH_DEVNULL, "/dev/null", [Path to /dev/null])
  68         AC_MSG_RESULT(yes)
  69 else
  70         AC_DEFINE(PATH_DEVNULL, "devnull.log", [Path to /dev/null])
  71         AC_MSG_RESULT(no - using devnull.log)
  72 fi
  73
  74 dnl jdc -- If CFLAGS is defined, best use it everywhere...
  75 dnl NOTE: jv says it must be added to the *END*, because things like
  76 dnl "gcc -O9 -O2" will result in -O2 getting preference.  How stupid.
  77 if test ! -z "$CFLAGS"; then
  78         IRC_CFLAGS="$IRC_CFLAGS $CFLAGS"
  79 fi
  80
  81 AC_ISC_POSIX
  82 AC_C_INLINE
  83 AC_PROG_MAKE_SET
  84 AC_PROG_INSTALL
  85 AC_PATH_PROG(RM, rm)
  86 AC_PATH_PROG(CP, cp)
  87 AC_PATH_PROG(MV, mv)
  88 AC_PATH_PROG(LN, ln)
  89 AC_PATH_PROG(SED, sed)
  90 AC_PATH_PROG(AR, ar)
  91 AC_PATH_PROG(LD, ld)
  92 AC_PATH_PROG(RANLIB, ranlib)
  93 AC_PATH_PROG(TOUCH, touch)
  94
  95 AC_PROG_YACC
  96
  97 dnl AC_PROG_YACC defaults to yacc unconditionally if nothing can be found
  98 if test "$YACC" = "yacc" -a -z "`which $YACC 2>/dev/null`"; then
  99         AC_MSG_ERROR([could not locate a suitable parser generator; install bison, yacc, or byacc])
 100 fi
 101
 102 AC_PROG_LEX
 103
 104 if test "$LEX" = ":"; then
 105         AC_MSG_ERROR([could not locate a suitable lexical generator, install flex or lex.])
 106 fi
 107
 108 AC_ARG_ENABLE([fhs-paths],
 109         [AS_HELP_STRING([--enable-fhs-paths], [Use more FHS-like pathnames (for packagers).])],
 110         [],
 111         [dnl detect if the user appears to want --enable-fhs-paths
 112         AS_IF([test "$libexecdir" = '${exec_prefix}/libexec' && \
 113                 test "$localstatedir" = '${prefix}/var' && \
 114                 test "$libdir" = '${exec_prefix}/lib'],
 115                 [enable_fhs_paths=no],
 116                 [enable_fhs_paths=yes])
 117         ])
 118 dnl use directory structure of cached as default (hack)
 119 AS_IF([test "x$enable_fhs_paths" = "xyes"],
 120         [dnl Avoid name collisions.
 121         pkglibexecdir='${libexecdir}/${PACKAGE_TARNAME}'
 122         rundir=${rundir-'${prefix}/run'}
 123         pkgrundir='${rundir}/${PACKAGE_TARNAME}'
 124         pkglocalstatedir='${localstatedir}/${PACKAGE_TARNAME}'
 125         AC_DEFINE([ENABLE_FHS_PATHS], [1], [Uncomment if FHS pathnames are enabled])],
 126         [libexecdir='${bindir}'
 127         pkglibexecdir='${libexecdir}'
 128         rundir='${sysconfdir}'
 129         pkgrundir='${rundir}'
 130         localstatedir='${prefix}'
 131         pkglocalstatedir='${sysconfdir}'])
 132 pkglibdir='${libdir}/${PACKAGE_TARNAME}'
 133 AC_SUBST([pkglibdir])
 134 AC_SUBST([rundir])
 135 AC_SUBST([pkgrundir])
 136 AC_SUBST([pkglocalstatedir])
 137 AC_DEFINE_DIR([PKGLOCALSTATEDIR], [pkglocalstatedir], [[Directory in which to store state, such as ban database]])
 138 AC_SUBST([pkglibexecdir])
 139 AC_DEFINE_DIR([PKGLIBEXECDIR], [pkglibexecdir], [Directory where binaries the IRCd itself spawns live])
 140
 141 dnl Checks for header files.
 142 AC_HEADER_STDC
 143 AC_HEADER_STDBOOL
 144
 145 AC_CHECK_HEADERS([crypt.h sys/resource.h sys/param.h errno.h sys/syslog.h stddef.h sys/wait.h wait.h sys/epoll.h sys/uio.h machine/endian.h])
 146
 147 dnl Stuff that the memory manager (imalloc) depends on
 148 dnl ==================================================
 149
 150 AC_C_CONST
 151 if test "$ac_cv_header_machine_endian_h" = "no" ; then
 152     AC_C_BIGENDIAN
 153 fi
 154 AC_TYPE_PID_T
 155 AC_TYPE_SIZE_T
 156 AC_CHECK_SIZEOF(short)
 157 AC_CHECK_SIZEOF(int)
 158 AC_CHECK_SIZEOF(long)
 159 AC_CHECK_SIZEOF(long long)
 160
 161 dnl Networking Functions
 162 dnl ====================
 163
 164 AC_SEARCH_LIBS(socket, [socket ws2_32], , [AC_MSG_ERROR([You have no socket()! Aborting.])])
 165
 166 dnl SunOS/Solaris required libnsl for inet_ntoa()
 167 if test x"$SUN" = xyes; then
 168         AC_SEARCH_LIBS(inet_ntoa, nsl,, [AC_MSG_ERROR([libnsl not found! Aborting.])])
 169 fi
 170
 171 AC_SEARCH_LIBS(crypt, [crypt descrypt],,)
 172
 173 CRYPT_LIB=$ac_cv_search_crypt
 174
 175 if test "$CRYPT_LIB" = "none required"; then
 176         unset CRYPT_LIB
 177 elif test "$CRYPT_LIB" = no; then
 178         unset CRYPT_LIB
 179 fi
 180
 181 AC_SUBST(CRYPT_LIB)
 182
 183 AC_C_BIGENDIAN
 184
 185 dnl Check for stdarg.h - if we can't find it, halt configure
 186 AC_CHECK_HEADER(stdarg.h, , [AC_MSG_ERROR([** stdarg.h could not be found - charybdis will not compile without it **])])
 187 AC_CHECK_FUNCS([strlcat strlcpy])
 188
 189 AC_TYPE_INT16_T
 190 AC_TYPE_INT32_T
 191
 192 AC_CHECK_TYPE([sa_family_t], [],
 193 [AC_DEFINE(sa_family_t, [u_int16_t], [If system does not define sa_family_t, define it here.])],
 194 [[#include <sys/types.h>
 195 #include <sys/socket.h>]])
 196
 197 AC_CHECK_TYPES([uintptr_t])
 198
 199 dnl check for various functions...
 200 AC_CHECK_FUNCS([snprintf vsnprintf socketpair mmap gettimeofday strdup strndup ])
 201
 202 AC_FUNC_ALLOCA
 203
 204 dnl Specialized functions checks
 205 dnl ============================
 206
 207 dnl check for nanosleep
 208 AC_CHECK_FUNC(nanosleep,,[AC_CHECK_LIB(rt,nanosleep,
 209                  LIBS="${LIBS} -lrt",
 210                  [AC_CHECK_LIB(posix4,nanosleep, LIBS="${LIBS} -lposix4"
 211                  )])])
 212 if test x$ac_cv_func_nanosleep = xno && test x$ac_cv_lib_posix4_nanosleep = xno  && test x$ac_cv_lib_rt_nanosleep = xno
 213 then
 214          AC_MSG_RESULT("nanosleep not found..using select for delay")
 215 else
 216          AC_DEFINE([HAVE_NANOSLEEP], 1, [Define if nanosleep exists])
 217 fi
 218
 219 dnl OpenSSL support
 220 AC_MSG_CHECKING(for OpenSSL)
 221 AC_ARG_ENABLE(openssl,
 222 [AC_HELP_STRING([--enable-openssl[=DIR]],[Enable OpenSSL support (DIR optional).])
 223 AC_HELP_STRING([--disable-openssl],[Disable OpenSSL support.])],
 224 [cf_enable_openssl=$enableval],
 225 [cf_enable_openssl="auto"])
 226
 227 if test "$cf_enable_openssl" != "no" ; then
 228         cf_openssl_basedir=""
 229         if test "$cf_enable_openssl" != "auto" &&
 230         test "$cf_enable_openssl" != "yes" ; then
 231                 dnl Support for --enable-openssl=/some/place
 232                 cf_openssl_basedir="`echo ${cf_enable_openssl} | sed 's/\/$//'`"
 233         else
 234         dnl Do the auto-probe here.  Check some common directory paths.
 235                 for dirs in /usr/local/ssl /usr/pkg /usr/local \
 236                 /usr/local/openssl ; do
 237                         if test -f "${dirs}/include/openssl/opensslv.h" ; then
 238                                 cf_openssl_basedir="${dirs}"
 239                         break
 240                         fi
 241                 done
 242                 unset dirs
 243         fi
 244         dnl Now check cf_openssl_found to see if we found anything.
 245         if test ! -z "$cf_openssl_basedir"; then
 246                 if test -f "${cf_openssl_basedir}/include/openssl/opensslv.h" ; then
 247                         SSL_INCLUDES="-I${cf_openssl_basedir}/include"
 248                         SSL_LIBS="-L${cf_openssl_basedir}/lib"
 249                 else
 250                 dnl OpenSSL wasn't found in the directory specified.  Naughty
 251                 dnl administrator...
 252                 cf_openssl_basedir=""
 253                 fi
 254         else
 255         dnl Check for stock FreeBSD 4.x and 5.x systems, since their files
 256         dnl are in /usr/include and /usr/lib.  In this case, we don't want to
 257         dnl change INCLUDES or LIBS, but still want to enable OpenSSL.
 258         dnl We can't do this check above, because some people want two versions
 259         dnl of OpenSSL installed (stock FreeBSD 4.x/5.x and /usr/local/ssl)
 260         dnl and they want /usr/local/ssl to have preference.
 261                 if test -f "/usr/include/openssl/opensslv.h" ; then
 262                         cf_openssl_basedir="/usr"
 263                 fi
 264         fi
 265
 266         dnl If we have a basedir defined, then everything is okay.  Otherwise,
 267         dnl we have a problem.
 268         if test ! -z "$cf_openssl_basedir"; then
 269                 AC_MSG_RESULT($cf_openssl_basedir)
 270                 cf_enable_openssl="yes"
 271         else
 272                 AC_MSG_RESULT([not found. Specify a correct path?])
 273                 cf_enable_openssl="no"
 274         fi
 275         unset cf_openssl_basedir
 276 else
 277         dnl If --disable-openssl was specified
 278         AC_MSG_RESULT(disabled)
 279 fi
 280
 281 save_CPPFLAGS="$CPPFLAGS"
 282 CPPFLAGS="$CPPFLAGS $SSL_INCLUDES"
 283 save_LIBS="$LIBS"
 284 LIBS="$LIBS $SSL_LIBS"
 285 if test "$cf_enable_openssl" != no; then
 286         dnl Check OpenSSL version (must be 0.9.6 or above!)
 287         AC_MSG_CHECKING(for OpenSSL 0.9.6 or above)
 288         AC_RUN_IFELSE(
 289                 [AC_LANG_PROGRAM(
 290                 [#include <openssl/opensslv.h>
 291                 #include <stdlib.h>],
 292                 [[if ( OPENSSL_VERSION_NUMBER >= 0x00906000)
 293                 exit(0); else exit(1);]])],
 294         cf_openssl_version_ok=yes,
 295         cf_openssl_version_ok=no,
 296         cf_openssl_version_ok=no)
 297
 298         if test "$cf_openssl_version_ok" = yes; then
 299                 AC_MSG_RESULT(found)
 300
 301                 dnl Work around pmake/gmake conditional incompatibilities
 302                 AC_SUBST(ENCSPEED, encspeed)
 303
 304                 dnl Do all the HAVE_LIBCRYPTO magic -- and check for ciphers
 305                 CPPFLAGS="$CPPFLAGS $SSL_LIBS"
 306                 AC_CHECK_LIB(crypto, RSA_free)
 307                 SSL_LIBS="$SSL_LIBS -lcrypto"
 308                 SSL_SRCS_ENABLE='$(SSL_SRCS)'
 309         else
 310                 AC_MSG_RESULT(no - OpenSSL support disabled)
 311         fi
 312 fi
 313
 314 CPPFLAGS="$save_CPPFLAGS"
 315 LIBS="$save_LIBS"
 316
 317 dnl End OpenSSL detection
 318
 319
 320 dnl Specialized functions and libraries
 321 dnl ===================================
 322
 323 AC_ARG_WITH(zlib-path,
 324 AC_HELP_STRING([--with-zlib-path=DIR],[Path to libz.so for ziplinks support.]),
 325 [LIBS="$LIBS -L$withval"],)
 326
 327 AC_ARG_ENABLE(zlib,
 328 AC_HELP_STRING([--disable-zlib],[Disable ziplinks support]),
 329 [zlib=$enableval],[zlib=yes])
 330
 331 if test "$zlib" = yes; then
 332
 333 AC_CHECK_HEADER(zlib.h, [
 334         AC_CHECK_LIB(z, zlibVersion,
 335         [
 336                 AC_SUBST(ZLIB_LD, -lz)
 337                 AC_DEFINE(HAVE_LIBZ, 1, [Define to 1 if zlib (-lz) is available.])
 338         ], zlib=no)
 339 ], zlib=no)
 340
 341 fi
 342
 343 AC_ARG_WITH(sctp-path,
 344 AC_HELP_STRING([--with-sctp-path=DIR],[Path to libsctp.so for SCTP support.]),
 345 [LIBS="$LIBS -L$withval"],)
 346
 347 AC_ARG_ENABLE(sctp,
 348 AC_HELP_STRING([--disable-sctp],[Disable SCTP support]),
 349 [sctp=$enableval],[sctp=yes])
 350
 351 if test "$sctp" = yes; then
 352
 353 AC_CHECK_HEADER(netinet/sctp.h, [
 354         AC_CHECK_LIB(sctp, sctp_bindx,
 355         [
 356                 AC_SUBST(LIBSCTP_LD, -lsctp)
 357                 AC_DEFINE(HAVE_LIBSCTP, 1, [Define to 1 if libsctp (-lsctp) is available.])
 358         ], sctp=no)
 359 ], sctp=no)
 360
 361 fi
 362
 363 dnl Check for shared sqlite
 364 dnl ======================
 365 AC_ARG_WITH(shared-sqlite,
 366 AC_HELP_STRING([--with-shared-sqlite],[Use shared sqlite]),
 367 [shared_sqlite=$withval],[shared_sqlite=no])
 368
 369 if test "$shared_sqlite" = yes; then
 370         PKG_CHECK_MODULES(SQLITE, [sqlite3],
 371         [
 372                 shared_sqlite=yes
 373         ], shared_sqlite=no)
 374 fi
 375
 376 if test "$shared_sqlite" = no; then
 377         SQLITE_OBJ='sqlite3.$(OBJEXT)'
 378 fi
 379
 380 AC_SUBST(SQLITE_LD, "$SQLITE_LIBS")
 381 AC_SUBST(SQLITE_INCLUDES, "$SQLITE_CFLAGS")
 382 AC_SUBST(SQLITE_OBJ)
 383
 384 dnl **********************************************************************
 385 dnl Check for --with-confdir [deprecated, use --sysconfdir instead]
 386 dnl **********************************************************************
 387
 388 AC_ARG_WITH([confdir],
 389         [AC_HELP_STRING([--with-confdir=DIR],
 390                [Directory to install config files [deprecated, use --sysconfdir instead].])],
 391         [ sysconfdir=`echo $withval | sed 's/\/$//'` ],
 392         [ confdir='${sysconfdir}' ])
 393 AC_DEFINE_DIR([ETC_DIR], [sysconfdir], [Prefix where config files are installed.])
 394
 395 dnl **********************************************************************
 396 dnl Check for --with-logdir
 397 dnl **********************************************************************
 398
 399 AC_MSG_CHECKING([whether to modify logdir])
 400 AC_ARG_WITH(logdir,
 401 AC_HELP_STRING([--with-logdir=DIR],
 402                [Directory where to write logfiles.]),
 403                [ logdir=`echo $withval | sed 's/\/$//'`
 404                  AC_MSG_RESULT(yes)],
 405                [ AS_IF([test "x$enable_fhs_paths" = "xyes"],
 406                         [logdir='${localstatedir}/log/${PACKAGE_TARNAME}'],
 407                         [logdir='${prefix}/logs'])
 408                  AC_MSG_RESULT(no)])
 409 AC_DEFINE_DIR([LOG_DIR], [logdir], [Prefix where to write logfiles.])
 410 AC_SUBST_DIR([logdir])
 411
 412 dnl **********************************************************************
 413 dnl Check for --with-helpdir
 414 dnl **********************************************************************
 415
 416 AC_MSG_CHECKING([whether to modify helpdir])
 417 AC_ARG_WITH(helpdir,
 418 AC_HELP_STRING([--with-helpdir=DIR],
 419                [Directory to install help files.]),
 420                [ helpdir=`echo $withval | sed 's/\/$//'`
 421                  AC_MSG_RESULT(yes) ],
 422                [ AS_IF([test "x$enable_fhs_paths" = "xyes"],
 423                         [helpdir='${datadir}/${PACKAGE_TARNAME}/help'],
 424                         [helpdir='${prefix}/help'])
 425                  AC_MSG_RESULT(no) ])
 426 AC_DEFINE_DIR([HELP_DIR], [helpdir], [Prefix where help files are installed.])
 427 AC_SUBST_DIR([helpdir])
 428
 429 dnl **********************************************************************
 430 dnl Check for --with-moduledir
 431 dnl **********************************************************************
 432
 433 AC_MSG_CHECKING([whether to modify moduledir])
 434 AC_ARG_WITH(moduledir,
 435         [AC_HELP_STRING([--with-moduledir=DIR],
 436                [Directory to install modules.])],
 437                [ moduledir=`echo $withval | sed 's/\/$//'`
 438                  AC_MSG_RESULT(yes)],
 439                [ AS_IF([test "x$enable_fhs_paths" = "xyes"],
 440                         [moduledir='${pkglibdir}/modules'],
 441                         [moduledir='${prefix}/modules'])
 442                  AC_MSG_RESULT(no)
 443                 ])
 444 AC_DEFINE_DIR(MODULE_DIR, moduledir, [Prefix where modules are installed.])
 445 AC_SUBST_DIR([moduledir])
 446
 447 dnl Check for --with-rundir
 448
 449 AC_MSG_CHECKING([whether or modify rundir])
 450 AC_ARG_WITH([rundir],
 451         [AC_HELP_STRING([--with-rundir=DIR],
 452                 [Directory in which to store pidfile.])],
 453         [AC_MSG_RESULT([yes])
 454         rundir=`echo $withval | sed 's/\/$//'`],
 455         [AC_MSG_RESULT([no])
 456         AS_IF([test "x$enable_fhs_paths" = "xyes"],
 457                 [rundir='${prefix}/run'],
 458                 [rundir='${sysconfdir}'])])
 459 AC_SUBST([rundir])
 460 AC_DEFINE_DIR([PKGRUNDIR], [pkgrundir], [Directory to store pidfile in.])
 461
 462 dnl Installed utility program prefixes (does not affect binaries
 463 dnl installed into pkglibexecdir)
 464 AC_MSG_CHECKING([for program prefix])
 465 AC_ARG_WITH([program-prefix],
 466         [AS_HELP_STRING([--with-program-prefix=], [If set, programs installed into PATH will be installed with names prefixed by this prefix.])],
 467         [test "x$with_program_prefix" = "xno" && with_program_prefix=],
 468         [with_program_prefix=])
 469 AC_MSG_RESULT(["$with_program_prefix"])
 470 PROGRAM_PREFIX="$with_program_prefix"
 471 AC_SUBST([PROGRAM_PREFIX])
 472 AC_DEFINE_UNQUOTED([PROGRAM_PREFIX], ["$with_program_prefix"], [String with which all programs intended to be in PATH are prefixed.])
 473
 474 dnl **********************************************************************
 475 dnl Branding
 476 dnl **********************************************************************
 477
 478 AC_MSG_CHECKING([whether custom branding is requested])
 479 AC_ARG_WITH(custom-branding,
 480 AC_HELP_STRING([--with-custom-branding=NAME],
 481                [Custom branding name.]),
 482                [BRANDING_NAME=$withval
 483                 AC_MSG_RESULT([yes])],
 484                [BRANDING_NAME=$PACKAGE_NAME
 485                 AC_MSG_RESULT([no])]
 486 )
 487
 488 AC_MSG_CHECKING([whether a custom version is requested])
 489 AC_ARG_WITH(custom-version,
 490 AC_HELP_STRING([--with-custom-version=NAME],
 491                [Custom version branding.]),
 492                [BRANDING_VERSION=$withval
 493                 AC_MSG_RESULT([yes])],
 494                [BRANDING_VERSION=$PACKAGE_VERSION
 495                 AC_MSG_RESULT([no])]
 496 )
 497
 498 AC_DEFINE_UNQUOTED(BRANDING_NAME, ["$BRANDING_NAME"], [Custom branding name.])
 499 AC_DEFINE_UNQUOTED(BRANDING_VERSION, ["$BRANDING_VERSION"], [Custom branding name.])
 500
 501 if test "x$BRANDING_NAME" != "x$PACKAGE_NAME"; then
 502         AC_DEFINE(CUSTOM_BRANDING, 1, [Define if custom branding is enabled.])
 503 fi
 504
 505 dnl **********************************************************************
 506 dnl Enable oper chghost
 507 dnl **********************************************************************
 508
 509 AC_ARG_ENABLE(oper-chghost,
 510 AC_HELP_STRING([--enable-oper-chghost],[Enable opers to use the CHGHOST command]),
 511 [operchghost=$enableval],[operchghost=no])
 512
 513 if test "$operchghost" = yes; then
 514         AC_DEFINE(ENABLE_OPER_CHGHOST, 1, [Define this to enable opers to use the CHGHOST command.])
 515 fi
 516
 517 dnl Debug-related options
 518 dnl =====================
 519
 520 AC_ARG_ENABLE(assert,
 521 AC_HELP_STRING([--enable-assert],[Enable assert(). Choose between soft(warnings) and hard(aborts the daemon)]),
 522 [assert=$enableval], [assert=no])
 523
 524 if test "$assert" = no; then
 525         AC_DEFINE(NDEBUG, 1, [Define this to disable debugging support.])
 526 elif test "$assert" = soft; then
 527         AC_DEFINE(SOFT_ASSERT, 1, [Define this to enable soft asserts.])
 528         AC_DEFINE(NDEBUG, 1, [Define this to disable debugging support.])
 529 elif test "$assert" = yes; then
 530         assert = "hard";
 531 fi
 532
 533 AC_MSG_CHECKING(if you want to do a profile build)
 534 AC_ARG_ENABLE(profile,
 535 AC_HELP_STRING([--enable-profile],[Enable profiling]),
 536 [profile=$enableval], [profile=no])
 537
 538 if test "$profile" = yes; then
 539         if test "$ac_cv_c_compiler_gnu" = yes; then
 540                 IRC_CFLAGS="$IRC_CFLAGS -pg"
 541                 AC_MSG_RESULT([yes, adding -pg])
 542                 AC_DEFINE(CHARYBDIS_PROFILE, 1, [Define this if you are profiling.])
 543         else
 544                 AC_MSG_RESULT([no, profile builds only work with gcc])
 545         fi
 546 else
 547         AC_MSG_RESULT(no)
 548 fi
 549
 550 AC_DEFINE([NICKNAMEHISTORYLENGTH], 15000, [Size of the WHOWAS array.])
 551 AC_DEFINE([CHANNEL_HEAP_SIZE], 8192, [Size of the channel heap.])
 552 AC_DEFINE([BAN_HEAP_SIZE], 4096, [Size of the ban heap.])
 553 AC_DEFINE([CLIENT_HEAP_SIZE], 8192, [Size of the client heap.])
 554 AC_DEFINE([LCLIENT_HEAP_SIZE], 1024, [Size of the local client heap.])
 555 AC_DEFINE([PCLIENT_HEAP_SIZE], 256, [Size of the pre-client heap.])
 556 AC_DEFINE([USER_HEAP_SIZE], 8192, [Size of the user heap.])
 557 AC_DEFINE([DNODE_HEAP_SIZE], 8192, [Size of the dlink_node heap.])
 558 AC_DEFINE([TOPIC_HEAP_SIZE], 4096, [Size of the topic heap.])
 559 AC_DEFINE([LINEBUF_HEAP_SIZE], 2048, [Size of the linebuf heap.])
 560 AC_DEFINE([MEMBER_HEAP_SIZE], 32768, [Sizeof member heap.])
 561 AC_DEFINE([ND_HEAP_SIZE], 512, [Size of the nick delay heap.])
 562 AC_DEFINE([CONFITEM_HEAP_SIZE], 256, [Size of the confitem heap.])
 563 AC_DEFINE([MONITOR_HEAP_SIZE], 1024, [Size of the monitor heap.])
 564 AC_DEFINE([FD_HEAP_SIZE], 1024, [Size of fd heap.])
 565 AC_DEFINE([AWAY_HEAP_SIZE], 512, [Size of away heap.])
 566
 567 AC_ARG_WITH(nicklen,
 568 AC_HELP_STRING([--with-nicklen=LENGTH],[Set the upper-bound nick length to LENGTH (default 31, max 50)]),
 569 [
 570   if ! expr "$withval" + 0 >/dev/null 2>&1; then
 571         AC_ERROR([NICKLEN must be a numeric value])
 572   fi
 573   if test $withval -gt 50; then
 574         NICKLEN=50
 575         AC_MSG_WARN([NICKLEN has a hard limit of 50. Setting NICKLEN=50])
 576   elif test $withval -lt 9; then
 577         NICKLEN=9
 578         AC_MSG_WARN([NICKLEN has a lower limit of 9. Setting NICKLEN=9])
 579   else
 580         NICKLEN="$withval"
 581   fi
 582 ], [NICKLEN=31])
 583
 584 AC_ARG_WITH(topiclen,
 585 AC_HELP_STRING([--with-topiclen=NUMBER],[Set the max topic length to NUMBER (default 390, max 390)]),
 586 [
 587  if test $withval -gt 390; then
 588         TOPICLEN=390
 589         AC_MSG_WARN([TOPICLEN has a hard limit of 390. Setting TOPICLEN=390])
 590  else
 591         TOPICLEN=$withval
 592  fi
 593 ], [TOPICLEN=390])
 594
 595 AC_DEFINE_UNQUOTED(TOPICLEN, ${TOPICLEN}, [Maximum topic length (<=390)])
 596 AC_DEFINE_UNQUOTED(NICKLEN, (${NICKLEN}+1), [Nickname length])
 597
 598 # rpath, for finding librb.so at run time
 599 hold_ldflags=$LDFLAGS
 600 AC_MSG_CHECKING(for the ld -rpath flag)
 601 LDFLAGS="${LDFLAGS} -Wl,-rpath=${libdir}"
 602 AC_LINK_IFELSE([AC_LANG_PROGRAM([],[int i;])], found=yes, found=no)
 603 LDFLAGS=$hold_ldflags
 604 AC_MSG_RESULT($found)
 605 if test "$found" = yes; then
 606         LDFLAGS="${LDFLAGS} -Wl,-rpath=\${libdir}"
 607 fi
 608
 609 # This must be down here, or it will mess up checks like the ones
 610 # for -Wl,-export-dynamic
 611 # -- jilles
 612 CWARNS=""
 613 AC_ARG_ENABLE(warnings,
 614 AC_HELP_STRING([--enable-warnings],[Enable all sorts of warnings for debugging.]),
 615 [
 616 IRC_CFLAGS="$IRC_CFLAGS -O0"
 617 CFLAGS="$IRC_CFLAGS"
 618
 619 CHARYBDIS_C_GCC_TRY_FLAGS([-Wall], charybdis_cv_c_gcc_w_all)
 620 CHARYBDIS_C_GCC_TRY_FLAGS([-Wpointer-arith], charybdis_cv_c_gcc_w_pointer_arith)
 621 CHARYBDIS_C_GCC_TRY_FLAGS([-Wimplicit -Wnested-externs], charybdis_cv_c_gcc_w_implicit)
 622 CHARYBDIS_C_GCC_TRY_FLAGS([-Wcast-align], charybdis_cv_c_gcc_w_cast_align)
 623 CHARYBDIS_C_GCC_TRY_FLAGS([-Wcast-qual], charybdis_cv_c_gcc_w_cast_qual)
 624 CHARYBDIS_C_GCC_TRY_FLAGS([-Wwrite-strings], charybdis_cv_c_gcc_w_write_strings)
 625 CHARYBDIS_C_GCC_TRY_FLAGS([-Werror-implicit-function-declaration], charybdis_cv_c_gcc_w_error_implicit_function_declaration)
 626 CHARYBDIS_C_GCC_TRY_FLAGS([-Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations], charybdis_cv_c_gcc_prototypes)
 627 CHARYBDIS_C_GCC_TRY_FLAGS([-Wparentheses], charybdis_cv_c_gcc_parentheses)
 628 CHARYBDIS_C_GCC_TRY_FLAGS([-W -Wno-unused], charybdis_cv_c_gcc_w)
 629 CHARYBDIS_C_GCC_TRY_FLAGS([-Wextra], charybdis_cv_c_gcc_w_extra)
 630 CHARYBDIS_C_GCC_TRY_FLAGS([-Wshadow], charybdis_cv_c_gcc_w_shadow)
 631 CHARYBDIS_C_GCC_TRY_FLAGS([-Wmissing-noreturn], charybdis_cv_c_gcc_w_missing_noreturn)
 632 CHARYBDIS_C_GCC_TRY_FLAGS([-Wundef], charybdis_cv_c_gcc_w_undef)
 633 CHARYBDIS_C_GCC_TRY_FLAGS([-Wpacked], charybdis_cv_c_gcc_w_packed)
 634 CHARYBDIS_C_GCC_TRY_FLAGS([-Wnested-externs], charybdis_cv_c_gcc_w_nested_externs)
 635 CHARYBDIS_C_GCC_TRY_FLAGS([-Wunused-function -Wunused-label -Wunused-value -Wunused-variable], charybdis_cv_c_gcc_w_unused)
 636 CHARYBDIS_C_GCC_TRY_FLAGS([-Wredundant-decls], charybdis_cv_c_gcc_w_redundant_decls)
 637 CHARYBDIS_C_GCC_TRY_FLAGS([-Wfloat-equal], charybdis_cv_c_gcc_w_float_equal)
 638 CHARYBDIS_C_GCC_TRY_FLAGS([-Wformat -Wformat-y2k -Wno-format-security], charybdis_cv_c_gcc_w_format)
 639
 640 IRC_CFLAGS="$CFLAGS"
 641 ],[])
 642
 643 IRC_CFLAGS="$IRC_CFLAGS $CWARNS"
 644
 645 AC_SUBST(MODULES_LIBS)
 646 AC_SUBST(MOD_TARGET)
 647
 648 AC_SUBST(SSL_SRCS_ENABLE)
 649 AC_SUBST(SSL_INCLUDES)
 650 AC_SUBST(SSL_LIBS)
 651
 652 AC_SUBST(LDFLAGS)
 653 AC_SUBST(PICFLAGS)
 654 AC_SUBST(IRC_CFLAGS)
 655 AC_SUBST(SEDOBJ)
 656
 657
 658 if test "$prefix" = "NONE"; then
 659         AC_DEFINE_UNQUOTED(IRCD_PREFIX, "$ac_default_prefix", [Prefix where the ircd is installed.])
 660
 661 else
 662
 663 dnl Don't get bitten by Cygwin's stupidity if the user specified
 664 dnl a custom prefix with a trailing slash
 665
 666         prefix=`echo $prefix | sed 's/\/$//'`
 667         AC_DEFINE_UNQUOTED(IRCD_PREFIX, "$prefix", [Prefix where the ircd is installed.])
 668
 669 fi
 670
 671 AC_CONFIG_FILES(                        \
 672         Makefile                        \
 673         authd/Makefile                  \
 674         bandb/Makefile                  \
 675         ssld/Makefile                   \
 676         wsockd/Makefile                 \
 677         extensions/Makefile             \
 678         ircd/Makefile                   \
 679         modules/Makefile                \
 680         tests/Makefile                  \
 681         tools/Makefile                  \
 682         tools/genssl                    \
 683         doc/Makefile                    \
 684         help/Makefile                   \
 685 )
 686 AC_CONFIG_COMMANDS([tools/genssl_chmod], [chmod 755 tools/genssl])
 687
 688 AC_OUTPUT
 689
 690 if test "$cf_openssl_version_ok" = yes; then
 691         openssl="yes"
 692 else
 693         openssl="no"
 694 fi
 695
 696 echo "
 697 Configuration of ${BRANDING_NAME}-${BRANDING_VERSION}:
 698         Install directory  : $prefix
 699
 700         Ziplinks           : $zlib
 701         OpenSSL            : $openssl
 702         SCTP               : $sctp
 703
 704         Nickname length    : $NICKLEN
 705         Topic length       : $TOPICLEN
 706
 707 Use (g)make to compile $BRANDING_NAME, then (g)make install to install it.
 708 "