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], [3.6.0-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 case "$host_os" in
  24 *cygwin*)
  25      AC_DEFINE_UNQUOTED(CYGWIN,1,[This is a Cygwin system])
  26      AC_DEFINE_UNQUOTED(WINDOWS,1,[This is a Windows system])
  27      ;;
  28 *mingw*)
  29      AC_DEFINE_UNQUOTED(MINGW,1,[This is a MinGW system])
  30      AC_DEFINE_UNQUOTED(WINDOWS,1,[This is a Windows system])
  31      AC_CHECK_HEADER(winsock2.h, , [AC_MSG_ERROR([** MinGW and no winsock2.h.  I give up.])])
  32      LIBS="$LIBS -lws2_32 -liphlpapi"
  33      is_mingw="yes"
  34      ;;
  35 *)
  36      ;;
  37 esac
  38
  39 AM_CONDITIONAL([MINGW], [test "$is_mingw" = "yes"])
  40
  41 AC_CONFIG_SUBDIRS([librb])
  42 AC_CONFIG_AUX_DIR([libltdl/config])
  43
  44 AM_INIT_AUTOMAKE([subdir-objects])
  45 AM_SILENT_RULES([yes])
  46 AM_PROG_AR
  47
  48 LT_INIT([dlopen disable-static])
  49 LT_CONFIG_LTDL_DIR([libltdl])
  50 LTDL_INIT
  51
  52 build_ltdl=$with_included_ltdl
  53 AM_CONDITIONAL([BUILD_LTDL], [test x"$build_ltdl" = x"yes"])
  54
  55 if test "$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}/${PACKAGE_TARNAME}'],
 125         [libexecdir='${bindir}'
 126         pkglibexecdir='${libexecdir}'
 127         rundir='${sysconfdir}'
 128         pkgrundir='${rundir}'
 129         localstatedir='${prefix}'
 130         pkglocalstatedir='${sysconfdir}'])
 131 pkglibdir='${libdir}/${PACKAGE_TARNAME}'
 132 AC_SUBST([pkglibdir])
 133 AC_SUBST([rundir])
 134 AC_SUBST([pkgrundir])
 135 AC_SUBST([pkglocalstatedir])
 136 AC_DEFINE_DIR([PKGLOCALSTATEDIR], [pkglocalstatedir], [[Directory in which to store state, such as ban database]])
 137 AC_SUBST([pkglibexecdir])
 138 AC_DEFINE_DIR([PKGLIBEXECDIR], [pkglibexecdir], [Directory where binaries the IRCd itself spawns live])
 139
 140 dnl Checks for header files.
 141 AC_HEADER_STDC
 142 AC_HEADER_STDBOOL
 143
 144 AC_CHECK_HEADERS([crypt.h sys/resource.h sys/param.h errno.h sys/syslog.h stddef.h sys/wait.h wait.h sys/epoll.h sys/uio.h machine/endian.h])
 145
 146 dnl Stuff that the memory manager (imalloc) depends on
 147 dnl ==================================================
 148
 149 AC_C_CONST
 150 if test "$ac_cv_header_machine_endian_h" = "no" ; then
 151     AC_C_BIGENDIAN
 152 fi
 153 AC_TYPE_PID_T
 154 AC_TYPE_SIZE_T
 155 AC_CHECK_SIZEOF(short)
 156 AC_CHECK_SIZEOF(int)
 157 AC_CHECK_SIZEOF(long)
 158 AC_CHECK_SIZEOF(long long)
 159
 160 dnl Networking Functions
 161 dnl ====================
 162
 163 AC_SEARCH_LIBS(socket, [socket ws2_32], , [AC_MSG_ERROR([You have no socket()! Aborting.])])
 164
 165 dnl SunOS/Solaris required libnsl for inet_ntoa()
 166 if test x"$SUN" = xyes; then
 167         AC_SEARCH_LIBS(inet_ntoa, nsl,, [AC_MSG_ERROR([libnsl not found! Aborting.])])
 168 fi
 169
 170 AC_CHECK_TYPE(socklen_t, ,
 171 [AC_DEFINE([socklen_t], [unsigned int],
 172 [If we don't have a real socklen_t, unsigned int is good enough.])],
 173 [#include <sys/types.h>
 174 #include <sys/socket.h>])
 175
 176 AC_ARG_ENABLE(ipv6,
 177 AC_HELP_STRING([--enable-ipv6],[Enable IPv6 support]),[ipv6=$enableval],[ipv6=no])
 178
 179 AC_SEARCH_LIBS(crypt, [crypt descrypt],,)
 180
 181 CRYPT_LIB=$ac_cv_search_crypt
 182
 183 if test "$CRYPT_LIB" = "none required"; then
 184         unset CRYPT_LIB
 185 elif test "$CRYPT_LIB" = no; then
 186         unset CRYPT_LIB
 187 fi
 188
 189 AC_SUBST(CRYPT_LIB)
 190
 191 AC_C_BIGENDIAN
 192
 193 dnl Check for stdarg.h - if we can't find it, halt configure
 194 AC_CHECK_HEADER(stdarg.h, , [AC_MSG_ERROR([** stdarg.h could not be found - charybdis will not compile without it **])])
 195 AC_CHECK_FUNCS([strlcat strlcpy])
 196
 197 AC_CHECK_TYPE([u_int32_t], [],
 198 [
 199         AC_CHECK_TYPE([uint32_t],
 200         [
 201                 AC_DEFINE(u_int32_t, [uint32_t], [If system does not define u_int32_t, define a reasonable substitute.])
 202         ],
 203         [
 204                 AC_MSG_WARN([system has no u_int32_t or uint32_t, default to unsigned long int])
 205                 AC_DEFINE(u_int32_t, [unsigned long int], [If system does not define u_int32_t, define to unsigned long int here.])
 206         ])
 207 ])
 208
 209 AC_CHECK_TYPE([u_int16_t], [],
 210 [
 211         AC_CHECK_TYPE([uint16_t],
 212         [
 213                 AC_DEFINE(u_int16_t, [uint16_t], [If system does not define u_int16_t, define a usable substitute])
 214         ],
 215         [
 216                 AC_MSG_WARN([system has no u_int16_t or uint16_t, default to unsigned short int])
 217                 AC_DEFINE(u_int16_t, [unsigned short int], [If system does not define u_int16_t, define a usable substitute.])
 218         ])
 219 ])
 220
 221 AC_CHECK_TYPE([in_port_t], [],
 222 [AC_DEFINE(in_port_t, [u_int16_t], [If system does not define in_port_t, define it to what it should be.])],
 223 [[#include <sys/types.h>
 224 #include <netinet/in.h>]])
 225
 226 AC_CHECK_TYPE([sa_family_t], [],
 227 [AC_DEFINE(sa_family_t, [u_int16_t], [If system does not define sa_family_t, define it here.])],
 228 [[#include <sys/types.h>
 229 #include <sys/socket.h>]])
 230
 231 AC_CHECK_TYPES([uintptr_t])
 232
 233 dnl check for various functions...
 234 AC_CHECK_FUNCS([snprintf vsnprintf socketpair mmap gettimeofday strdup strndup ])
 235
 236 AC_FUNC_ALLOCA
 237
 238 dnl Specialized functions checks
 239 dnl ============================
 240
 241 dnl check for nanosleep
 242 AC_CHECK_FUNC(nanosleep,,[AC_CHECK_LIB(rt,nanosleep,
 243                  LIBS="${LIBS} -lrt",
 244                  [AC_CHECK_LIB(posix4,nanosleep, LIBS="${LIBS} -lposix4"
 245                  )])])
 246 if test x$ac_cv_func_nanosleep = xno && test x$ac_cv_lib_posix4_nanosleep = xno  && test x$ac_cv_lib_rt_nanosleep = xno
 247 then
 248          AC_MSG_RESULT("nanosleep not found..using select for delay")
 249 else
 250          AC_DEFINE([HAVE_NANOSLEEP], 1, [Define if nanosleep exists])
 251 fi
 252
 253 dnl OpenSSL support
 254 AC_MSG_CHECKING(for OpenSSL)
 255 AC_ARG_ENABLE(openssl,
 256 [AC_HELP_STRING([--enable-openssl[=DIR]],[Enable OpenSSL support (DIR optional).])
 257 AC_HELP_STRING([--disable-openssl],[Disable OpenSSL support.])],
 258 [cf_enable_openssl=$enableval],
 259 [cf_enable_openssl="auto"])
 260
 261 if test "$cf_enable_openssl" != "no" ; then
 262         cf_openssl_basedir=""
 263         if test "$cf_enable_openssl" != "auto" &&
 264         test "$cf_enable_openssl" != "yes" ; then
 265                 dnl Support for --enable-openssl=/some/place
 266                 cf_openssl_basedir="`echo ${cf_enable_openssl} | sed 's/\/$//'`"
 267         else
 268         dnl Do the auto-probe here.  Check some common directory paths.
 269                 for dirs in /usr/local/ssl /usr/pkg /usr/local \
 270                 /usr/local/openssl ; do
 271                         if test -f "${dirs}/include/openssl/opensslv.h" ; then
 272                                 cf_openssl_basedir="${dirs}"
 273                         break
 274                         fi
 275                 done
 276                 unset dirs
 277         fi
 278         dnl Now check cf_openssl_found to see if we found anything.
 279         if test ! -z "$cf_openssl_basedir"; then
 280                 if test -f "${cf_openssl_basedir}/include/openssl/opensslv.h" ; then
 281                         SSL_INCLUDES="-I${cf_openssl_basedir}/include"
 282                         SSL_LIBS="-L${cf_openssl_basedir}/lib"
 283                 else
 284                 dnl OpenSSL wasn't found in the directory specified.  Naughty
 285                 dnl administrator...
 286                 cf_openssl_basedir=""
 287                 fi
 288         else
 289         dnl Check for stock FreeBSD 4.x and 5.x systems, since their files
 290         dnl are in /usr/include and /usr/lib.  In this case, we don't want to
 291         dnl change INCLUDES or LIBS, but still want to enable OpenSSL.
 292         dnl We can't do this check above, because some people want two versions
 293         dnl of OpenSSL installed (stock FreeBSD 4.x/5.x and /usr/local/ssl)
 294         dnl and they want /usr/local/ssl to have preference.
 295                 if test -f "/usr/include/openssl/opensslv.h" ; then
 296                         cf_openssl_basedir="/usr"
 297                 fi
 298         fi
 299
 300         dnl If we have a basedir defined, then everything is okay.  Otherwise,
 301         dnl we have a problem.
 302         if test ! -z "$cf_openssl_basedir"; then
 303                 AC_MSG_RESULT($cf_openssl_basedir)
 304                 cf_enable_openssl="yes"
 305         else
 306                 AC_MSG_RESULT([not found. Specify a correct path?])
 307                 cf_enable_openssl="no"
 308         fi
 309         unset cf_openssl_basedir
 310 else
 311         dnl If --disable-openssl was specified
 312         AC_MSG_RESULT(disabled)
 313 fi
 314
 315 save_CPPFLAGS="$CPPFLAGS"
 316 CPPFLAGS="$CPPFLAGS $SSL_INCLUDES"
 317 save_LIBS="$LIBS"
 318 LIBS="$LIBS $SSL_LIBS"
 319 if test "$cf_enable_openssl" != no; then
 320         dnl Check OpenSSL version (must be 0.9.6 or above!)
 321         AC_MSG_CHECKING(for OpenSSL 0.9.6 or above)
 322         AC_RUN_IFELSE(
 323                 [AC_LANG_PROGRAM(
 324                 [#include <openssl/opensslv.h>
 325                 #include <stdlib.h>],
 326                 [[if ( OPENSSL_VERSION_NUMBER >= 0x00906000)
 327                 exit(0); else exit(1);]])],
 328         cf_openssl_version_ok=yes,
 329         cf_openssl_version_ok=no,
 330         cf_openssl_version_ok=no)
 331
 332         if test "$cf_openssl_version_ok" = yes; then
 333                 AC_MSG_RESULT(found)
 334
 335                 dnl Work around pmake/gmake conditional incompatibilities
 336                 AC_SUBST(ENCSPEED, encspeed)
 337
 338                 dnl Do all the HAVE_LIBCRYPTO magic -- and check for ciphers
 339                 CPPFLAGS="$CPPFLAGS $SSL_LIBS"
 340                 AC_CHECK_LIB(crypto, RSA_free)
 341                 SSL_LIBS="$SSL_LIBS -lcrypto"
 342                 SSL_SRCS_ENABLE='$(SSL_SRCS)'
 343         else
 344                 AC_MSG_RESULT(no - OpenSSL support disabled)
 345         fi
 346 fi
 347
 348 CPPFLAGS="$save_CPPFLAGS"
 349 LIBS="$save_LIBS"
 350
 351 dnl End OpenSSL detection
 352
 353
 354 dnl Specialized functions and libraries
 355 dnl ===================================
 356
 357 AC_ARG_WITH(zlib-path,
 358 AC_HELP_STRING([--with-zlib-path=DIR],[Path to libz.so for ziplinks support.]),
 359 [LIBS="$LIBS -L$withval"],)
 360
 361 AC_ARG_ENABLE(zlib,
 362 AC_HELP_STRING([--disable-zlib],[Disable ziplinks support]),
 363 [zlib=$enableval],[zlib=yes])
 364
 365 if test "$zlib" = yes; then
 366
 367 AC_CHECK_HEADER(zlib.h, [
 368         AC_CHECK_LIB(z, zlibVersion,
 369         [
 370                 AC_SUBST(ZLIB_LD, -lz)
 371                 AC_DEFINE(HAVE_LIBZ, 1, [Define to 1 if zlib (-lz) is available.])
 372         ], zlib=no)
 373 ], zlib=no)
 374
 375 fi
 376
 377 dnl Check for shared sqlite
 378 dnl ======================
 379 AC_ARG_WITH(shared-sqlite,
 380 AC_HELP_STRING([--with-shared-sqlite],[Use shared sqlite]),
 381 [shared_sqlite=$withval],[shared_sqlite=no])
 382
 383 if test "$shared_sqlite" = yes; then
 384         PKG_CHECK_MODULES(SQLITE, [sqlite3],
 385         [
 386                 shared_sqlite=yes
 387         ], shared_sqlite=no)
 388 fi
 389
 390 if test "$shared_sqlite" = no; then
 391         SQLITE_OBJ='sqlite3.$(OBJEXT)'
 392 fi
 393
 394 AC_SUBST(SQLITE_LD, "$SQLITE_LIBS")
 395 AC_SUBST(SQLITE_INCLUDES, "$SQLITE_CFLAGS")
 396 AC_SUBST(SQLITE_OBJ)
 397
 398 dnl **********************************************************************
 399 dnl Check for --with-confdir [deprecated, use --sysconfdir instead]
 400 dnl **********************************************************************
 401
 402 AC_ARG_WITH([confdir],
 403         [AC_HELP_STRING([--with-confdir=DIR],
 404                [Directory to install config files [deprecated, use --sysconfdir instead].])],
 405         [ sysconfdir=`echo $withval | sed 's/\/$//'` ],
 406         [ confdir='${sysconfdir}' ])
 407 AC_DEFINE_DIR([ETC_DIR], [sysconfdir], [Prefix where config files are installed.])
 408
 409 dnl **********************************************************************
 410 dnl Check for --with-logdir
 411 dnl **********************************************************************
 412
 413 AC_MSG_CHECKING([whether to modify logdir])
 414 AC_ARG_WITH(logdir,
 415 AC_HELP_STRING([--with-logdir=DIR],
 416                [Directory where to write logfiles.]),
 417                [ logdir=`echo $withval | sed 's/\/$//'`
 418                  AC_MSG_RESULT(yes)],
 419                [ AS_IF([test "x$enable_fhs_paths" = "xyes"],
 420                         [logdir='${localstatedir}/log/${PACKAGE_TARNAME}'],
 421                         [logdir='${prefix}/logs'])
 422                  AC_MSG_RESULT(no)])
 423 AC_DEFINE_DIR([LOG_DIR], [logdir], [Prefix where to write logfiles.])
 424 AC_SUBST_DIR([logdir])
 425
 426 dnl **********************************************************************
 427 dnl Check for --with-helpdir
 428 dnl **********************************************************************
 429
 430 AC_MSG_CHECKING([whether to modify helpdir])
 431 AC_ARG_WITH(helpdir,
 432 AC_HELP_STRING([--with-helpdir=DIR],
 433                [Directory to install help files.]),
 434                [ helpdir=`echo $withval | sed 's/\/$//'`
 435                  AC_MSG_RESULT(yes) ],
 436                [ AS_IF([test "x$enable_fhs_paths" = "xyes"],
 437                         [helpdir='${datadir}/${PACKAGE_TARNAME}/help'],
 438                         [helpdir='${prefix}/help'])
 439                  AC_MSG_RESULT(no) ])
 440 AC_DEFINE_DIR([HELP_DIR], [helpdir], [Prefix where help files are installed.])
 441 AC_SUBST_DIR([helpdir])
 442
 443 dnl **********************************************************************
 444 dnl Check for --with-moduledir
 445 dnl **********************************************************************
 446
 447 AC_MSG_CHECKING([whether to modify moduledir])
 448 AC_ARG_WITH(moduledir,
 449         [AC_HELP_STRING([--with-moduledir=DIR],
 450                [Directory to install modules.])],
 451                [ moduledir=`echo $withval | sed 's/\/$//'`
 452                  AC_MSG_RESULT(yes)],
 453                [ AS_IF([test "x$enable_fhs_paths" = "xyes"],
 454                         [moduledir='${pkglibdir}/modules'],
 455                         [moduledir='${prefix}/modules'])
 456                  AC_MSG_RESULT(no)
 457                 ])
 458 AC_DEFINE_DIR(MODULE_DIR, moduledir, [Prefix where modules are installed.])
 459 AC_SUBST_DIR([moduledir])
 460
 461 dnl Check for --with-rundir
 462
 463 AC_MSG_CHECKING([whether or modify rundir])
 464 AC_ARG_WITH([rundir],
 465         [AC_HELP_STRING([--with-rundir=DIR],
 466                 [Directory in which to store pidfile.])],
 467         [AC_MSG_RESULT([yes])
 468         rundir=`echo $withval | sed 's/\/$//'`],
 469         [AC_MSG_RESULT([no])
 470         AS_IF([test "x$enable_fhs_paths" = "xyes"],
 471                 [rundir='${prefix}/run'],
 472                 [rundir='${sysconfdir}'])])
 473 AC_SUBST([rundir])
 474 AC_DEFINE_DIR([PKGRUNDIR], [pkgrundir], [Directory to store pidfile in.])
 475
 476 dnl Installed utility program prefixes (does not affect binaries
 477 dnl installed into pkglibexecdir)
 478 AC_MSG_CHECKING([for program prefix])
 479 AC_ARG_WITH([program-prefix],
 480         [AS_HELP_STRING([--with-program-prefix=], [If set, programs installed into PATH will be installed with names prefixed by this prefix.])],
 481         [test "x$with_program_prefix" = "xno" && with_program_prefix=],
 482         [with_program_prefix=])
 483 AC_MSG_RESULT(["$with_program_prefix"])
 484 PROGRAM_PREFIX="$with_program_prefix"
 485 AC_SUBST([PROGRAM_PREFIX])
 486 AC_DEFINE_UNQUOTED([PROGRAM_PREFIX], ["$with_program_prefix"], [String with which all programs intended to be in PATH are prefixed.])
 487
 488 dnl **********************************************************************
 489 dnl Branding
 490 dnl **********************************************************************
 491
 492 AC_MSG_CHECKING([whether custom branding is requested])
 493 AC_ARG_WITH(custom-branding,
 494 AC_HELP_STRING([--with-custom-branding=NAME],
 495                [Custom branding name.]),
 496                [BRANDING_NAME=$withval
 497                 AC_MSG_RESULT([yes])],
 498                [BRANDING_NAME=$PACKAGE_NAME
 499                 AC_MSG_RESULT([no])]
 500 )
 501
 502 AC_MSG_CHECKING([whether a custom version is requested])
 503 AC_ARG_WITH(custom-version,
 504 AC_HELP_STRING([--with-custom-version=NAME],
 505                [Custom version branding.]),
 506                [BRANDING_VERSION=$withval
 507                 AC_MSG_RESULT([yes])],
 508                [BRANDING_VERSION=$PACKAGE_VERSION
 509                 AC_MSG_RESULT([no])]
 510 )
 511
 512 AC_DEFINE_UNQUOTED(BRANDING_NAME, ["$BRANDING_NAME"], [Custom branding name.])
 513 AC_DEFINE_UNQUOTED(BRANDING_VERSION, ["$BRANDING_VERSION"], [Custom branding name.])
 514
 515 if test "x$BRANDING_NAME" != "x$PACKAGE_NAME"; then
 516         AC_DEFINE(CUSTOM_BRANDING, 1, [Define if custom branding is enabled.])
 517 fi
 518
 519 dnl **********************************************************************
 520 dnl Enable oper chghost
 521 dnl **********************************************************************
 522
 523 AC_ARG_ENABLE(oper-chghost,
 524 AC_HELP_STRING([--enable-oper-chghost],[Enable opers to use the CHGHOST command]),
 525 [operchghost=$enableval],[operchghost=no])
 526
 527 if test "$operchghost" = yes; then
 528         AC_DEFINE(ENABLE_OPER_CHGHOST, 1, [Define this to enable opers to use the CHGHOST command.])
 529 fi
 530
 531 dnl Debug-related options
 532 dnl =====================
 533
 534 AC_ARG_ENABLE(assert,
 535 AC_HELP_STRING([--enable-assert],[Enable assert(). Choose between soft(warnings) and hard(aborts the daemon)]),
 536 [assert=$enableval], [assert=no])
 537
 538 if test "$assert" = no; then
 539         AC_DEFINE(NDEBUG, 1, [Define this to disable debugging support.])
 540 elif test "$assert" = soft; then
 541         AC_DEFINE(SOFT_ASSERT, 1, [Define this to enable soft asserts.])
 542         AC_DEFINE(NDEBUG, 1, [Define this to disable debugging support.])
 543 elif test "$assert" = yes; then
 544         assert = "hard";
 545 fi
 546
 547 AC_MSG_CHECKING(if you want to do a profile build)
 548 AC_ARG_ENABLE(profile,
 549 AC_HELP_STRING([--enable-profile],[Enable profiling]),
 550 [profile=$enableval], [profile=no])
 551
 552 if test "$profile" = yes; then
 553         if test "$ac_cv_c_compiler_gnu" = yes; then
 554                 IRC_CFLAGS="$IRC_CFLAGS -pg"
 555                 AC_MSG_RESULT([yes, adding -pg])
 556                 AC_DEFINE(CHARYBDIS_PROFILE, 1, [Define this if you are profiling.])
 557         else
 558                 AC_MSG_RESULT([no, profile builds only work with gcc])
 559         fi
 560 else
 561         AC_MSG_RESULT(no)
 562 fi
 563
 564 AC_DEFINE([NICKNAMEHISTORYLENGTH], 15000, [Size of the WHOWAS array.])
 565 AC_DEFINE([CHANNEL_HEAP_SIZE], 8192, [Size of the channel heap.])
 566 AC_DEFINE([BAN_HEAP_SIZE], 4096, [Size of the ban heap.])
 567 AC_DEFINE([CLIENT_HEAP_SIZE], 8192, [Size of the client heap.])
 568 AC_DEFINE([LCLIENT_HEAP_SIZE], 1024, [Size of the local client heap.])
 569 AC_DEFINE([PCLIENT_HEAP_SIZE], 256, [Size of the pre-client heap.])
 570 AC_DEFINE([USER_HEAP_SIZE], 8192, [Size of the user heap.])
 571 AC_DEFINE([DNODE_HEAP_SIZE], 8192, [Size of the dlink_node heap.])
 572 AC_DEFINE([TOPIC_HEAP_SIZE], 4096, [Size of the topic heap.])
 573 AC_DEFINE([LINEBUF_HEAP_SIZE], 2048, [Size of the linebuf heap.])
 574 AC_DEFINE([MEMBER_HEAP_SIZE], 32768, [Sizeof member heap.])
 575 AC_DEFINE([ND_HEAP_SIZE], 512, [Size of the nick delay heap.])
 576 AC_DEFINE([CONFITEM_HEAP_SIZE], 256, [Size of the confitem heap.])
 577 AC_DEFINE([MONITOR_HEAP_SIZE], 1024, [Size of the monitor heap.])
 578 AC_DEFINE([FD_HEAP_SIZE], 1024, [Size of fd heap.])
 579 AC_DEFINE([AWAY_HEAP_SIZE], 512, [Size of away heap.])
 580
 581 AC_ARG_WITH(nicklen,
 582 AC_HELP_STRING([--with-nicklen=LENGTH],[Set the upper-bound nick length to LENGTH (default 31, max 50)]),
 583 [
 584   if ! expr "$withval" + 0 >/dev/null 2>&1; then
 585         AC_ERROR([NICKLEN must be a numeric value])
 586   fi
 587   if test $withval -gt 50; then
 588         NICKLEN=50
 589         AC_MSG_WARN([NICKLEN has a hard limit of 50. Setting NICKLEN=50])
 590   elif test $withval -lt 9; then
 591         NICKLEN=9
 592         AC_MSG_WARN([NICKLEN has a lower limit of 9. Setting NICKLEN=9])
 593   else
 594         NICKLEN="$withval"
 595   fi
 596 ], [NICKLEN=31])
 597
 598 AC_ARG_WITH(topiclen,
 599 AC_HELP_STRING([--with-topiclen=NUMBER],[Set the max topic length to NUMBER (default 390, max 390)]),
 600 [
 601  if test $withval -gt 390; then
 602         TOPICLEN=390
 603         AC_MSG_WARN([TOPICLEN has a hard limit of 390. Setting TOPICLEN=390])
 604  else
 605         TOPICLEN=$withval
 606  fi
 607 ], [TOPICLEN=390])
 608
 609 AC_DEFINE_UNQUOTED(TOPICLEN, ${TOPICLEN}, [Maximum topic length (<=390)])
 610 AC_DEFINE_UNQUOTED(NICKLEN, (${NICKLEN}+1), [Nickname length])
 611
 612 # rpath, for finding librb.so at run time
 613 hold_ldflags=$LDFLAGS
 614 AC_MSG_CHECKING(for the ld -rpath flag)
 615 LDFLAGS="${LDFLAGS} -Wl,-rpath=${libdir}"
 616 AC_LINK_IFELSE([AC_LANG_PROGRAM([],[int i;])], found=yes, found=no)
 617 LDFLAGS=$hold_ldflags
 618 AC_MSG_RESULT($found)
 619 if test "$found" = yes; then
 620         LDFLAGS="${LDFLAGS} -Wl,-rpath=\${libdir}"
 621 fi
 622
 623 # This must be down here, or it will mess up checks like the ones
 624 # for -Wl,-export-dynamic
 625 # -- jilles
 626 CWARNS=""
 627 AC_ARG_ENABLE(warnings,
 628 AC_HELP_STRING([--enable-warnings],[Enable all sorts of warnings for debugging.]),
 629 [
 630 IRC_CFLAGS="$IRC_CFLAGS -O0"
 631 CFLAGS="$IRC_CFLAGS"
 632
 633 CHARYBDIS_C_GCC_TRY_FLAGS([-Wall], charybdis_cv_c_gcc_w_all)
 634 CHARYBDIS_C_GCC_TRY_FLAGS([-Wpointer-arith], charybdis_cv_c_gcc_w_pointer_arith)
 635 CHARYBDIS_C_GCC_TRY_FLAGS([-Wimplicit -Wnested-externs], charybdis_cv_c_gcc_w_implicit)
 636 CHARYBDIS_C_GCC_TRY_FLAGS([-Wcast-align], charybdis_cv_c_gcc_w_cast_align)
 637 CHARYBDIS_C_GCC_TRY_FLAGS([-Wcast-qual], charybdis_cv_c_gcc_w_cast_qual)
 638 CHARYBDIS_C_GCC_TRY_FLAGS([-Wwrite-strings], charybdis_cv_c_gcc_w_write_strings)
 639 CHARYBDIS_C_GCC_TRY_FLAGS([-Werror-implicit-function-declaration], charybdis_cv_c_gcc_w_error_implicit_function_declaration)
 640 CHARYBDIS_C_GCC_TRY_FLAGS([-Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations], charybdis_cv_c_gcc_prototypes)
 641 CHARYBDIS_C_GCC_TRY_FLAGS([-Wparenthesis], charybdis_cv_c_gcc_parenthesis)
 642 CHARYBDIS_C_GCC_TRY_FLAGS([-W -Wno-unused], charybdis_cv_c_gcc_w)
 643 CHARYBDIS_C_GCC_TRY_FLAGS([-Wextra], charybdis_cv_c_gcc_w_extra)
 644 CHARYBDIS_C_GCC_TRY_FLAGS([-Wshadow], charybdis_cv_c_gcc_w_shadow)
 645 CHARYBDIS_C_GCC_TRY_FLAGS([-Wmissing-noreturn], charybdis_cv_c_gcc_w_missing_noreturn)
 646 CHARYBDIS_C_GCC_TRY_FLAGS([-Wundef], charybdis_cv_c_gcc_w_undef)
 647 CHARYBDIS_C_GCC_TRY_FLAGS([-Wpacked], charybdis_cv_c_gcc_w_packed)
 648 CHARYBDIS_C_GCC_TRY_FLAGS([-Wnested-externs], charybdis_cv_c_gcc_w_nested_externs)
 649 CHARYBDIS_C_GCC_TRY_FLAGS([-Wunused-function -Wunused-label -Wunused-value -Wunused-variable], charybdis_cv_c_gcc_w_unused)
 650 CHARYBDIS_C_GCC_TRY_FLAGS([-Wredundant-decls], charybdis_cv_c_gcc_w_redundant_decls)
 651 CHARYBDIS_C_GCC_TRY_FLAGS([-Wfloat-equal], charybdis_cv_c_gcc_w_float_equal)
 652 CHARYBDIS_C_GCC_TRY_FLAGS([-Wformat -Wformat-y2k -Wno-format-security], charybdis_cv_c_gcc_w_format)
 653
 654 IRC_CFLAGS="$CFLAGS"
 655 ],[])
 656
 657 IRC_CFLAGS="$IRC_CFLAGS $CWARNS"
 658
 659 AC_SUBST(MODULES_LIBS)
 660 AC_SUBST(MOD_TARGET)
 661
 662 AC_SUBST(SSL_SRCS_ENABLE)
 663 AC_SUBST(SSL_INCLUDES)
 664 AC_SUBST(SSL_LIBS)
 665
 666 AC_SUBST(LDFLAGS)
 667 AC_SUBST(PICFLAGS)
 668 AC_SUBST(IRC_CFLAGS)
 669 AC_SUBST(SEDOBJ)
 670
 671
 672 if test "$prefix" = "NONE"; then
 673         AC_DEFINE_UNQUOTED(IRCD_PREFIX, "$ac_default_prefix", [Prefix where the ircd is installed.])
 674
 675 else
 676
 677 dnl Don't get bitten by Cygwin's stupidity if the user specified
 678 dnl a custom prefix with a trailing slash
 679
 680         prefix=`echo $prefix | sed 's/\/$//'`
 681         AC_DEFINE_UNQUOTED(IRCD_PREFIX, "$prefix", [Prefix where the ircd is installed.])
 682
 683 fi
 684
 685 AC_CONFIG_FILES(                        \
 686         Makefile                        \
 687         authd/Makefile                  \
 688         bandb/Makefile                  \
 689         ssld/Makefile                   \
 690         extensions/Makefile             \
 691         ircd/Makefile                   \
 692         modules/Makefile                \
 693         tools/Makefile                  \
 694         tools/genssl                    \
 695         doc/Makefile                    \
 696         help/Makefile                   \
 697 )
 698 AC_CONFIG_COMMANDS([tools/genssl_chmod], [chmod 755 tools/genssl])
 699
 700 AC_OUTPUT
 701
 702 if test "$cf_openssl_version_ok" = yes; then
 703         openssl="yes"
 704 else
 705         openssl="no"
 706 fi
 707
 708 echo "
 709 Configuration of ${BRANDING_NAME}-${BRANDING_VERSION}:
 710         Install directory  : $prefix
 711
 712         Ziplinks           : $zlib
 713         OpenSSL            : $openssl
 714
 715         Nickname length    : $NICKLEN
 716         Topic length       : $TOPICLEN
 717
 718 Use (g)make to compile $BRANDING_NAME, then (g)make install to install it.
 719 "