citadel/configure.ac

   1 dnl Process this file with autoconf to produce a configure script.
   2 dnl $Id$
   3 AC_PREREQ(2.52)
   4 AC_INIT([Citadel], [7.24], [http://www.citadel.org/])
   5 AC_REVISION([$Revision: 5108 $])
   6 AC_CONFIG_SRCDIR([citserver.c])
   7 AC_PREFIX_DEFAULT(/usr/local/citadel)
   8 if test "$prefix" = NONE; then
   9         AC_DEFINE_UNQUOTED(CTDLDIR, "$ac_default_prefix", [define this to the Citadel home directory])
  10         ssl_dir="$ac_default_prefix/keys"
  11 else
  12         AC_DEFINE_UNQUOTED(CTDLDIR, "$prefix", [define this to the Citadel home directory])
  13         ssl_dir="$prefix/keys"
  14 fi
  15
  16
  17 dnl Make sure we see all GNU and Solaris extensions.
  18 AC_GNU_SOURCE
  19
  20
  21 dnl Checks for the Datadir
  22 AC_ARG_WITH(datadir,
  23                     [  --with-datadir          directory to store the databases under],
  24                         [ if test "x$withval" != "xno" ; then
  25                                               AC_DEFINE(HAVE_DATA_DIR,[],[use alternate database location?])
  26                                               AC_DEFINE_UNQUOTED(DATA_DIR, "$withval",[define, if the user suplied a data-directory to use.])
  27                                               MAKE_DATA_DIR=$withval
  28                                               AC_SUBST(MAKE_DATA_DIR)
  29                           fi
  30                         ]
  31 )
  32
  33 dnl Checks for the Datadir
  34 AC_ARG_WITH(staticdatadir,
  35                     [  --with-staticdatadir    directory to store citadels system messages under],
  36                         [ if test "x$withval" != "xno" ; then
  37                                                   AC_DEFINE(HAVE_STATICDATA_DIR, [], [should we activate an alternate static text location?])
  38                                                   AC_DEFINE_UNQUOTED(STATICDATA_DIR, "$withval", [where do we put our static text data?])
  39                                                   MAKE_STATICDATA_DIR=$withval
  40                                                   AC_SUBST(MAKE_STATICDATA_DIR)
  41                           fi
  42                         ]
  43 )
  44
  45
  46 dnl Checks for the SSLdir
  47 dnl this is a bit different than the rest,
  48 dnl because of the citadel used to have a keys/ subdir.
  49 AC_ARG_WITH(ssldir,
  50                     [  --with-ssldir          directory to store the ssl certificates under],
  51                         [ if test "x$withval" != "xno" ; then
  52
  53                                                   ssl_dir="$withval"
  54                           fi
  55                         AC_SUBST(MAKE_SSL_DIR)
  56                         ]
  57 )
  58 AC_DEFINE_UNQUOTED(SSL_DIR, "$ssl_dir", [were should we put our keys?])
  59
  60
  61 dnl Checks for the spooldir
  62 AC_ARG_WITH(spooldir,
  63                         [  --with-spooldir         directory to keep queues under],
  64                         [ if test "x$withval" != "xno" ; then
  65                                                 AC_DEFINE(HAVE_SPOOL_DIR, [], [enable alternate spool dir?])
  66                                                 AC_DEFINE_UNQUOTED(SPOOL_DIR,"$withval", [where do we place our spool dirs?])
  67                                                 MAKE_SPOOL_DIR=$withval
  68                                                 AC_SUBST(MAKE_SPOOL_DIR)
  69                            fi
  70                         ]
  71 )
  72
  73
  74 dnl Checks for the Configdir
  75 AC_ARG_WITH(sysconfdir,
  76                         [  --with-sysconfdir       directory to store the configs under],
  77                         [ if test "x$withval" != "xno" ; then
  78                                             AC_DEFINE(HAVE_ETC_DIR, [], [should we search our system config in an alternate place?])
  79                                                 AC_DEFINE_UNQUOTED(ETC_DIR, "$withval", [where to search our config files])
  80                                                 MAKE_ETC_DIR=$withval
  81                                                 AC_SUBST(MAKE_ETC_DIR)
  82                           fi
  83                         ]
  84 )
  85
  86 dnl Checks for where to put our utilities
  87 AC_ARG_WITH(utility-bindir,
  88                         [  --with-utility-bindir       directory where to find helper binaries],
  89                         [ if test "x$withval" != "xno" ; then
  90                                             AC_DEFINE(HAVE_UTILBIN_DIR,[],[should we put our helper binaries to another location?])
  91                                                 AC_DEFINE_UNQUOTED(UTILBIN_DIR, "$withval", [were to put our helper programs])
  92                                                 MAKE_UTILBIN_DIR=$withval
  93                                                 AC_SUBST(MAKE_UTILBIN_DIR)
  94                           fi
  95                         ]
  96 )
  97
  98
  99 dnl Checks for the run-dir for the sockets
 100 AC_ARG_WITH(rundir,
 101                         [  --with-rundir           directory to place runtime files (UDS) to?],
 102                         [ if test "x$withval" != "xno" ; then
 103                                             AC_DEFINE(HAVE_RUN_DIR, [], [should we put our non volatile files elsewhere?])
 104                                                 AC_DEFINE_UNQUOTED(RUN_DIR, "$withval", [define, where the config should go in unix style])
 105                                                 MAKE_RUN_DIR=$withval
 106                                                 AC_SUBST(MAKE_RUN_DIR)
 107                           fi
 108                         ]
 109 )
 110
 111
 112 dnl Checks for the Pseudo Random Generator sockets TODO: this keeps being default.
 113 AC_DEFINE_UNQUOTED(EGD_POOL, "/var/run/egd-pool", [place to keep our pseudo random generator file])
 114 AC_ARG_WITH(egdpool,
 115                         [  --with-egdpool          the socket from Pseudo Random Generator, defaults to /var/run/egd-pool],
 116                         [ if test "x$withval" != "xno" ; then
 117                                                 AC_DEFINE_UNQUOTED(EGD_POOL, "$withval", [the socket from Pseudo Random Generator])
 118                           fi
 119                         ]
 120 )
 121
 122
 123 AC_ARG_WITH(docdir,
 124                         [  --with-docdir           where to install the documentation. default: /usr/local/citadel/],
 125                         [ if test "x$withval" != "xno" ; then
 126                                         MAKE_DOC_DIR=$withval
 127                                         AC_SUBST(MAKE_DOC_DIR)
 128                           fi
 129                         ]
 130 )
 131
 132
 133
 134 AC_ARG_ENABLE(threaded-client, [  --disable-threaded-client
 135                           disable multithreaded client])
 136
 137 AC_ARG_ENABLE(pie, [  --enable-pie            build position-independent executables])
 138
 139 AC_ARG_WITH(pam, [  --with-pam              use PAM if present (see PAM.txt before you try this)])
 140 AC_ARG_WITH(kthread, [  --with-kthread          use kernel threads (on FreeBSD) (not recommended yet)])
 141 AC_ARG_WITH(db, [  --with-db@<:@=DIR@:>@         use Sleepycat DB 3.x @<:@DIR=/usr/local/BerkeleyDB.3.@<:@123@:>@@:>@])
 142 AC_ARG_WITH(ssl,
 143         [  --with-ssl=PATH         Specify path to OpenSSL installation ],
 144         [
 145                 if test "x$withval" != "xno" ; then
 146                         tryssldir=$withval
 147                 fi
 148         ]
 149 )
 150 AC_ARG_WITH(ncurses, [  --without-ncurses       don't use ncurses])
 151
 152 AC_ARG_WITH(with_zlib, [  --with-zlib             use zlib compression if present])
 153 AC_ARG_WITH(with_ldap, [  --with-ldap             use OpenLDAP client library])
 154 AC_ARG_WITH(with_libical, [  --with-libical          use libical calendaring library])
 155 AC_ARG_WITH(with_libsieve, [  --with-libsieve         use libsieve mail sorting library])
 156 AC_ARG_WITH(with_libdspam, [  --with-libdspam         use libdspam mail spam scanning library])
 157 AC_ARG_WITH(with_expat, [  --with-expat            use Expat XML parser])
 158
 159 if test "x$with_db" != xno -a "x$with_db" != xyes -a "$with_db"; then
 160         db_dir="$with_db"
 161         with_db=yes
 162 else
 163         test -f /usr/local/lib/libdb.a -o -f /usr/local/lib/libdb.so \
 164           -o -f /usr/local/lib/libdb4.a -o -f /usr/local/lib/libdb4.so \
 165           && db_dir=/usr/local
 166
 167         test -d /usr/local/BerkeleyDB.4.1 && db_dir=/usr/local/BerkeleyDB.4.1
 168         test -d /usr/local/BerkeleyDB.4.2 && db_dir=/usr/local/BerkeleyDB.4.2
 169         test -d /usr/local/BerkeleyDB.4.3 && db_dir=/usr/local/BerkeleyDB.4.3
 170         test -d /usr/local/BerkeleyDB.4.4 && db_dir=/usr/local/BerkeleyDB.4.4
 171         test -d /usr/local/BerkeleyDB.4.5 && db_dir=/usr/local/BerkeleyDB.4.5
 172 fi
 173
 174 dnl By default, we only build the client (citadel and whobbs) unless we can
 175 dnl figure out how to build with POSIX threads.
 176 TARGETS=client
 177
 178 AC_CANONICAL_HOST
 179 PTHREAD_DEFS=-D_REENTRANT
 180 AC_MSG_CHECKING([how to compile with POSIX threads])
 181 case "$host" in
 182         dnl BSDI 3.0 wants relocatable object modules instead of shared libs
 183         dnl for dlopen(), and has a wrapper script to link with shared libs.
 184         dnl Also has stupid non-reentrant gethostbyaddr() and friends.
 185         *-*-bsdi[123]*)
 186                 test -z "$CC" -a -x /usr/bin/shlicc2 && CC=shlicc2
 187                 AC_DEFINE(HAVE_NONREENTRANT_NETDB,[], [define this if the OS has broken non-reentrant gethostby{name,addr}() ])
 188                 AC_MSG_RESULT([Old BSDI])
 189         ;;
 190         *-*-bsdi*)
 191                 AC_DEFINE(HAVE_NONREENTRANT_NETDB, [], [define this if the OS has broken non-reentrant gethostby{name,addr}() ])
 192                 AC_MSG_RESULT([BSD/OS])
 193         ;;
 194         dnl Curses support on Mac OS X is kind of screwed at the moment.
 195         dnl TCP buffering isn't ideal under OS X. This define should also be
 196         dnl checked in other cases of OS X-Linux differences.
 197         *-*-darwin*)
 198                 AC_DEFINE(DISABLE_CURSES,[],[define this to disable use of curses])
 199                 AC_DEFINE(HAVE_DARWIN, [], [define if using OS X/Darwin])
 200                 AC_MSG_RESULT([Mac OS X])
 201         ;;
 202         dnl Digital Unix has an odd way to build for pthreads, and we can't
 203         dnl build pthreads programs with gcc due to header problems.
 204         alpha*-dec-osf*)
 205                 test -z "$CC" && CC=cc
 206                 LIBS="-lpthread -lexc $LIBS"
 207                 check_pthread=no
 208                 AC_MSG_RESULT([Tru64 or Digital UNIX])
 209         ;;
 210         dnl FreeBSD is similar to Digital UNIX with DEC C, which has a -pthread flag:
 211         *-*-freebsd*)
 212                 if test "$with_kthread" = yes; then
 213                         LIBS="-kthread $LIBS"
 214                 else
 215                         LIBS="-pthread $LIBS"
 216                 fi
 217                 check_pthread=no
 218                 PTHREAD_DEFS=-D_THREAD_SAFE
 219                 AC_MSG_RESULT([FreeBSD])
 220         ;;
 221         *-*-openbsd*)
 222                 LIBS="-pthread $LIBS"
 223                 check_pthread=no
 224                 PTHREAD_DEFS=-pthread
 225                 AC_MSG_RESULT([OpenBSD])
 226         ;;
 227         *-*-linux*)
 228                 PTHREAD_DEFS="-D_REENTRANT -pthread"
 229                 AC_MSG_RESULT([Linux])
 230         ;;
 231         *-*-solaris*)
 232                 PTHREAD_DEFS="-D_REENTRANT -D_PTHREADS"
 233                 AC_MSG_RESULT([Solaris])
 234         ;;
 235         *-*-cygwin*)
 236                 SERVER_LDFLAGS="-Wl,-subsystem,windows"
 237                 AC_MSG_RESULT([Cygwin])
 238         ;;
 239         *)
 240                 AC_MSG_RESULT([default])
 241         ;;
 242 esac
 243 dnl DEFS="$DEFS $PTHREAD_DEFS"
 244
 245
 246 dnl Checks for programs.
 247 AC_PROG_CC
 248
 249
 250
 251 dnl Set up system-dependent compiler flags.
 252 if test "$GCC" = yes; then
 253         if test "$CC" = icc; then
 254                 CFLAGS="$CFLAGS -w1"
 255         else
 256                 case "$host" in
 257                         *-*-solaris*|alpha*-dec-osf*)
 258                                 CFLAGS="$CFLAGS -Wall -Wcast-qual -Wcast-align -Wno-char-subscripts $PTHREAD_DEFS"
 259                         ;;
 260                         *)
 261                         CFLAGS="$CFLAGS -Wall -Wcast-qual -Wcast-align -Wstrict-prototypes $PTHREAD_DEFS"
 262                         ;;
 263                 esac
 264         fi
 265 fi
 266
 267 if test "x$enable_pie" = xyes; then
 268         save_CFLAGS="$CFLAGS"
 269         save_LDFLAGS="$LDFLAGS"
 270         CFLAGS="$CFLAGS -fpie"
 271         LDFLAGS="$LDFLAGS -pie -fpie"
 272         AC_CACHE_CHECK([whether compiler accepts -pie -fpie], ac_cv_pie_fpie,
 273         [AC_TRY_LINK([], [],
 274         ac_cv_pie_fpie=yes, ac_cv_pie_fpie=no)])
 275         if test $ac_cv_pie_fpie = no; then
 276                 CFLAGS="$save_CFLAGS"
 277                 LDFLAGS="$save_LDFLAGS"
 278         fi
 279 fi
 280
 281 AC_MSG_CHECKING([how to create dependancy checks])
 282                  if test -n "`$CC -V 2>&1 |grep Sun`"; then
 283                         DEPEND_FLAG=-xM;
 284                  else
 285                         DEPEND_FLAG=-M
 286                  fi
 287 AC_SUBST(DEPEND_FLAG)
 288
 289
 290 AC_PROG_INSTALL
 291 AC_PROG_YACC
 292 dnl missing_dir=`cd $ac_aux_dir && pwd`
 293 dnl AC_MISSING_PROG(AUTOCONF, autoconf, $missing_dir)
 294 dnl AC_MISSING_PROG(ACLOCAL, aclocal, $missing_dir)
 295
 296 dnl Checks for system services.
 297
 298 dnl Check the size of various builtin types; see typesize.h (error)
 299 AC_CHECK_SIZEOF(char, 0)
 300 AC_CHECK_SIZEOF(short, 0)
 301 AC_CHECK_SIZEOF(int, 0)
 302 AC_CHECK_SIZEOF(long, 0)
 303 AC_CHECK_SIZEOF(size_t, 0)
 304 dnl AC_CHECK_SIZEOF(long long, 0)
 305
 306 dnl Checks for libraries.
 307
 308 dnl We want to test for the following in libc before checking for their
 309 dnl respective libraries, because some systems (like Irix) have both, and the
 310 dnl non-libc versions may be broken.
 311 AC_CHECK_FUNCS(crypt gethostbyname connect flock getpwnam_r getpwuid_r)
 312
 313
 314 dnl disable backtrace if we don't want it.
 315 AC_ARG_WITH(backtrace,
 316                     [  --with-backtrace          enable backtrace dumps in the syslog],
 317                         [ if test "x$withval" != "xno" ; then
 318                              CFLAGS="$CFLAGS  -rdynamic "
 319                              LDFLAGS="$LDFLAGS  -rdynamic "
 320                              SERVER_LDFLAGS="$SERVER_LDFLAGS  -rdynamic "
 321                              AC_CHECK_FUNCS(backtrace)
 322                           fi
 323                         ]
 324 )
 325
 326 dnl disable backtrace if we don't want it.
 327 AC_ARG_WITH(gprof,
 328                     [  --with-gprof          enable profiling],
 329                         [ if test "x$withval" != "xno" ; then
 330                              CFLAGS="$CFLAGS  -pg "
 331                              LDFLAGS="$LDFLAGS  -pg "
 332                              SERVER_LDFLAGS="$SERVER_LDFLAGS  -pg "
 333                           fi
 334                         ]
 335 )
 336
 337 dnl disable thread table reporting
 338 AC_ARG_WITH(threadlog,
 339                 [ --with-threadlog      enable logging of thread table],
 340                         [ if test "x$withval" != "xno" ; then
 341                                 AC_DEFINE(WITH_THREADLOG, [], [Define if you want logging of the thread tables.])
 342                           fi
 343                         ]
 344 )
 345
 346
 347 if test "$ac_cv_func_gethostbyname" = no; then
 348         AC_CHECK_LIB(nsl, gethostbyname)
 349 fi
 350
 351 if test "$ac_cv_func_connect" = no; then
 352         AC_CHECK_LIB(socket, connect)
 353 fi
 354
 355 dnl Check for Solaris realtime support
 356 AC_CHECK_LIB(rt, sched_yield)
 357
 358 dnl Determine the system's authentication capabilities.
 359 dnl We currently support PAM, standard getpwnam(), and getspnam()
 360 dnl (Linux shadow passwords)
 361
 362         if test "$with_pam" = yes; then
 363                 save_LIBS=$LIBS
 364                 AC_CHECK_LIB(pam, pam_start, [chkpwd_LIBS="-lpam $chkpwd_LIBS"
 365                         LIBS="-lpam $LIBS"])
 366                 AC_CHECK_FUNCS(pam_start)
 367                 test "$enable_chkpwd" != no && LIBS=$save_LIBS
 368         fi
 369         if test "$ac_cv_func_pam_start" = no -o "$with_pam" != yes; then
 370                 save_LIBS=$LIBS
 371                 AC_SEARCH_LIBS(getspnam, shadow, [
 372                         if test "$ac_cv_search_getspnam" = -lshadow; then
 373                                 chkpwd_LIBS="-lshadow $chkpwd_LIBS"
 374                         fi])
 375                 test "$enable_chkpwd" != no && LIBS=$save_LIBS
 376                 if test "$ac_cv_func_crypt" = no; then
 377                         AC_CHECK_LIB(crypt, crypt, [
 378                                 chkpwd_LIBS="-lcrypt $chkpwd_LIBS"
 379                                 test "$enable_chkpwd" = no && \
 380                                         LIBS="-lcrypt $LIBS"])
 381                 fi
 382         fi
 383
 384 case "`uname -a`" in
 385  OpenBSD*)
 386         echo "we don't need to check for resolv on openbsd"
 387         ;;
 388  *)
 389         test -f /usr/local/lib/libresolv.a && LDFLAGS="$LDFLAGS -L/usr/local/lib"
 390         AC_CHECK_LIB(resolv, res_query,
 391                 RESOLV="$RESOLV -lresolv",
 392                 [
 393                         AC_MSG_ERROR(libresolv was not found.  Citadel requires the resolver library.)
 394                 ]
 395         )
 396         ;;
 397 esac
 398
 399 if test "x$with_ncurses" != "xno"; then
 400         AC_SEARCH_LIBS(tgetent, [ncurses curses termcap])
 401         AC_SEARCH_LIBS(scrollok, [ncurses curses])
 402         AC_SEARCH_LIBS(initscr, [ncurses curses])
 403 else
 404         AC_SEARCH_LIBS(tgetent, [curses termcap])
 405         AC_SEARCH_LIBS(initscr, [curses])
 406 fi
 407 AC_CHECK_FUNCS(vw_printw wcolor_set resizeterm wresize)
 408
 409 dnl Check for libpthread(s) if we're not using Digital UNIX or FreeBSD. (On
 410 dnl which the -pthread flag takes care of this.)
 411 if test "$check_pthread" != no; then
 412         AC_CHECK_LIB(pthread, pthread_create)
 413         AC_CHECK_LIB(pthreads, pthread_create)
 414 fi
 415
 416 test -d /usr/kerberos/include && CPPFLAGS="$CPPFLAGS -I/usr/kerberos/include"
 417
 418
 419 dnl Check for libcitadel
 420 AC_CHECK_HEADER(libcitadel.h,
 421         [AC_CHECK_LIB(citadel, libcitadel_version_string,
 422                 [
 423                         AC_MSG_RESULT(OK)
 424                         LIBS="-lcitadel $LIBS"
 425                 ],
 426                 [
 427                         AC_MSG_ERROR(libcitadel was not found or is not usable.  Please install libcitadel.)
 428                 ]
 429         ,
 430         )],
 431         [
 432                 AC_MSG_ERROR(libcitadel.h was not found or is not usable.  Please install libcitadel.)
 433         ]
 434 )
 435
 436
 437
 438 # The big search for OpenSSL
 439 if test "$with_ssl" != "no"; then
 440         saved_LIBS="$LIBS"
 441         saved_LDFLAGS="$LDFLAGS"
 442         saved_CFLAGS="$CFLAGS"
 443         if test "x$prefix" != "xNONE"; then
 444                 tryssldir="$tryssldir $prefix"
 445         fi
 446         AC_CACHE_CHECK([for OpenSSL], ac_cv_openssldir, [
 447                 for ssldir in $tryssldir "" /usr /usr/local/openssl /usr/lib/openssl /usr/local/ssl /usr/lib/ssl /usr/local /usr/pkg /opt /opt/openssl ; do
 448                         CFLAGS="$saved_CFLAGS"
 449                         LDFLAGS="$saved_LDFLAGS"
 450                         LIBS="$saved_LIBS -lssl -lcrypto"
 451
 452                         # Skip directories if they don't exist
 453                         if test ! -z "$ssldir" -a ! -d "$ssldir" ; then
 454                                 continue;
 455                         fi
 456                         if test ! -z "$ssldir" -a "x$ssldir" != "x/usr"; then
 457                                 # Try to use $ssldir/lib if it exists, otherwise
 458                                 # $ssldir
 459                                 if test -d "$ssldir/lib" ; then
 460                                         LDFLAGS="-L$ssldir/lib $saved_LDFLAGS"
 461                                         if test ! -z "$need_dash_r" ; then
 462                                                 LDFLAGS="-R$ssldir/lib $LDFLAGS"
 463                                         fi
 464                                 else
 465                                         LDFLAGS="-L$ssldir $saved_LDFLAGS"
 466                                         if test ! -z "$need_dash_r" ; then
 467                                                 LDFLAGS="-R$ssldir $LDFLAGS"
 468                                         fi
 469                                 fi
 470                                 # Try to use $ssldir/include if it exists, otherwise
 471                                 # $ssldir
 472                                 if test -d "$ssldir/include" ; then
 473                                         CFLAGS="-I$ssldir/include $saved_CFLAGS"
 474                                 else
 475                                         CFLAGS="-I$ssldir $saved_CFLAGS"
 476                                 fi
 477                         fi
 478
 479                         # Basic test to check for compatible version and correct linking
 480                         # *does not* test for RSA - that comes later.
 481                         AC_TRY_RUN(
 482                                 [
 483         #include <string.h>
 484         #include <openssl/rand.h>
 485         int main(void)
 486         {
 487                 char a[2048];
 488                 memset(a, 0, sizeof(a));
 489                 RAND_add(a, sizeof(a), sizeof(a));
 490                 return(RAND_status() <= 0);
 491         }
 492                                 ],
 493                                 [
 494                                         found_crypto=1
 495                                         break;
 496                                 ], []
 497                         )
 498
 499                         if test ! -z "$found_crypto" ; then
 500                                 break;
 501                         fi
 502                 done
 503
 504                 if test -z "$ssldir" ; then
 505                         ssldir="(system)"
 506                 fi
 507
 508                 if test ! -z "$found_crypto" ; then
 509                         ac_cv_openssldir=$ssldir
 510                 else
 511                         ac_cv_openssldir="no"
 512                 fi
 513         ])
 514         LIBS="$saved_LIBS"
 515         LDFLAGS="$saved_LDFLAGS"
 516         CFLAGS="$saved_CFLAGS"
 517
 518         if test "x$ac_cv_openssldir" != "xno" ; then
 519                 AC_DEFINE(HAVE_OPENSSL, [], [Define if you have OpenSSL.])
 520                 LIBS="-lssl -lcrypto $LIBS"
 521                 dnl Need to recover ssldir - test above runs in subshell
 522                 ssldir=$ac_cv_openssldir
 523                 if test ! -z "$ssldir" -a "x$ssldir" != "x/usr" -a "x$ssldir" != "x(system)"; then
 524                         # Try to use $ssldir/lib if it exists, otherwise
 525                         # $ssldir
 526                         if test -d "$ssldir/lib" ; then
 527                                 LDFLAGS="-L$ssldir/lib $saved_LDFLAGS"
 528                                 if test ! -z "$need_dash_r" ; then
 529                                         LDFLAGS="-R$ssldir/lib $LDFLAGS"
 530                                 fi
 531                         else
 532                                 LDFLAGS="-L$ssldir $saved_LDFLAGS"
 533                                 if test ! -z "$need_dash_r" ; then
 534                                         LDFLAGS="-R$ssldir $LDFLAGS"
 535                                 fi
 536                         fi
 537                         # Try to use $ssldir/include if it exists, otherwise
 538                         # $ssldir
 539                         if test -d "$ssldir/include" ; then
 540                                 CFLAGS="-I$ssldir/include $saved_CFLAGS"
 541                         else
 542                                 CFLAGS="-I$ssldir $saved_CFLAGS"
 543                         fi
 544                 fi
 545         fi
 546 fi
 547
 548 if test "x$with_db" != xno; then
 549         test "$db_dir" && LDFLAGS="$LDFLAGS -L$db_dir/lib"
 550
 551         dblib=""
 552
 553         if test -d "$db_dir/include/db4"; then
 554                 CPPFLAGS="$CPPFLAGS -I$db_dir/include/db4"
 555                 dblib="db4"
 556         elif test "$db_dir"; then
 557                 CPPFLAGS="$CPPFLAGS -I$db_dir/include"
 558         elif test -d /usr/include/db4; then
 559                 CPPFLAGS="$CPPFLAGS -I/usr/include/db4"
 560                 dblib="db4"
 561         fi
 562
 563
 564         AC_CHECK_DB([db db-4.1 db-4 db4],
 565                     [
 566                      DATABASE=database_sleepycat.c
 567                     ],
 568                     AC_MSG_ERROR([[Can not locate a suitable Berkeley DB
 569                                   library.  Use --with-db=PATH to specify
 570                                   the path]]))
 571
 572 fi
 573
 574 dnl Checks for the zlib compression library.
 575 if test "x$with_zlib" != xno ; then
 576         AC_CHECK_HEADERS(zlib.h,
 577                 [AC_CHECK_LIB(z, zlibVersion,
 578                         [ok_zlib=yes],,
 579         )])
 580 fi
 581
 582 if test "x$ok_zlib" = xyes ; then
 583         SERVER_LIBS="-lz $SERVER_LIBS"
 584         AC_DEFINE(HAVE_ZLIB, [], [define this if you have zlib compression available])
 585 fi
 586
 587
 588
 589
 590 dnl Checks for the OpenLDAP client library.
 591 if test "x$with_ldap" != xno ; then
 592         AC_CHECK_HEADERS(ldap.h,
 593                 [AC_CHECK_LIB(ldap, ldap_init,
 594                         [ok_ldap=yes],,
 595         )])
 596 fi
 597
 598 if test "x$ok_ldap" = xyes ; then
 599         SERVER_LIBS="-lldap $SERVER_LIBS"
 600         AC_DEFINE(HAVE_LDAP, [], [define this if you have OpenLDAP client available])
 601 fi
 602
 603
 604
 605
 606
 607 dnl Checks for the libsieve mailbox sorting library.
 608 if test "x$with_libsieve" != xno ; then
 609         AC_CHECK_HEADERS(sieve2.h,
 610                 [AC_CHECK_LIB(sieve, sieve2_license,
 611                         [ok_libsieve=yes],,
 612         )])
 613 fi
 614
 615 if test "x$ok_libsieve" = xyes ; then
 616         SERVER_LIBS="-lsieve $SERVER_LIBS"
 617         AC_DEFINE(HAVE_LIBSIEVE, [], [define this if you have the libsieve mailbox filtering library available])
 618 fi
 619
 620
 621 dnl Checks for the libdspam mail spam scanning library.
 622 if test "x$with_libdspam" != xno ; then
 623         AC_CHECK_HEADERS(dspam/libdspam.h,
 624                 [AC_CHECK_LIB(dspam, dspam_init,
 625                         [ok_libdspam=yes],,
 626         )])
 627 fi
 628
 629 if test "x$ok_libdspam" = xyes ; then
 630         SERVER_LIBS="-ldspam $SERVER_LIBS"
 631         AC_DEFINE(HAVE_LIBDSPAM, [], [define this if you have the libdspam mail spam scanning library available])
 632 fi
 633
 634
 635
 636
 637 dnl Checks for the Expat XML parser.
 638 if test "x$with_expat" != xno ; then
 639         AC_CHECK_HEADERS(expat.h,
 640                 [AC_CHECK_LIB(expat, XML_ParserCreateNS,
 641                         [ok_expat=yes],,
 642         )])
 643 fi
 644
 645 if test "x$ok_expat" = xyes ; then
 646         SERVER_LIBS="-lexpat $SERVER_LIBS"
 647         AC_DEFINE(HAVE_EXPAT, [], [define this if you have the Expat XML parser available])
 648 fi
 649
 650
 651
 652
 653 dnl Checks for the libical calendaring library.
 654 if test "x$with_libical" != xno ; then
 655         AC_CHECK_HEADERS(ical.h,
 656                 [AC_CHECK_LIB(ical, icalcomponent_new,
 657                         [ok_libical=yes],,
 658         )])
 659 fi
 660
 661 if test "x$ok_libical" = xyes ; then
 662
 663         AC_TRY_RUN(
 664                 [
 665 #include <ical.h>
 666 main() {
 667         int major, minor, v;
 668         sscanf(ICAL_VERSION, "%d.%d", &major, &minor);
 669         v = 100*major + minor;
 670         printf("libical version: %i\n", v);
 671         if (v >= 24) {
 672                 printf("This version is ok.\n");
 673                 return(0);
 674         }
 675         printf("libical 0.24 or newer required.\n");
 676         printf("Citadel will be built without calendar support.\n");
 677         return(1);
 678 }
 679                 ],
 680                 [
 681                         SERVER_LIBS="-lical $SERVER_LIBS"
 682                         AC_DEFINE(HAVE_LIBICAL, [], [define this if you have the libical calendaring library available])
 683                 ]
 684         )
 685 fi
 686
 687
 688
 689
 690 dnl Checks for header files.
 691 AC_HEADER_DIRENT
 692 AC_HEADER_STDC
 693 AC_HEADER_SYS_WAIT
 694
 695 dnl
 696 dnl TODO: for the DB header checks, we should check whether the headers
 697 dnl define db_env_create, somehow
 698 dnl
 699 AC_CHECK_HEADERS(curses.h dl.h fcntl.h limits.h malloc.h termios.h sys/ioctl.h sys/select.h sys/stat.h sys/time.h sys/prctl.h syslog.h unistd.h utmp.h utmpx.h paths.h db.h db4/db.h pthread.h netinet/in.h arpa/nameser.h arpa/nameser_compat.h)
 700
 701 dnl
 702 dnl need to check if this is actually compilable, sometimes there are
 703 dnl conflicts with the system's headers (eg solaris xpg4 style headers)
 704 dnl
 705 if test "x$with_ncurses" != xno; then
 706         AC_CHECK_HEADERS(ncurses.h,,,[ ])
 707 fi
 708
 709 AC_CHECK_HEADER(resolv.h,AC_DEFINE(HAVE_RESOLV_H, [], [define this if you have the resolv.h header file.]),,
 710 [#ifdef HAVE_SYS_TYPES_H
 711 #include <sys/types.h>
 712 #endif
 713 #ifdef HAVE_NETINET_IN_H
 714 #include <netinet/in.h>
 715 #endif
 716 #ifdef HAVE_ARPA_NAMESER_H
 717 #include <arpa/nameser.h>
 718 #endif])
 719
 720
 721 dnl Checks for typedefs, structures, and compiler characteristics.
 722 AC_C_CONST
 723 AC_TYPE_PID_T
 724 AC_TYPE_SIZE_T
 725 AC_HEADER_TIME
 726
 727 dnl defined in acinclude.m4:
 728 CIT_STRUCT_TM
 729
 730 AC_CACHE_CHECK([for ut_type in struct utmp], ac_cv_struct_ut_type,
 731 [AC_TRY_COMPILE([#include <sys/types.h>
 732 #include <utmp.h>], [struct utmp ut; ut.ut_type;],
 733 ac_cv_struct_ut_type=yes, ac_cv_struct_ut_type=no)])
 734 if test $ac_cv_struct_ut_type = yes; then
 735         AC_DEFINE(HAVE_UT_TYPE, [], [define this if struct utmp has an ut_type member])
 736 fi
 737
 738 AC_CACHE_CHECK(
 739         [for call semantics from getpwuid_r],
 740         ac_cv_call_getpwuid_r,
 741         [AC_TRY_COMPILE([#include <sys/types.h>
 742 #include <pwd.h>],
 743                          [
 744                                 struct passwd pw, *pwp;
 745                                 char pwbuf[64];
 746                                 uid_t uid;
 747
 748                                 getpwuid_r(uid, &pw, pwbuf, sizeof(pwbuf), &pwp);
 749                         ],
 750                         ac_cv_call_getpwuid_r=yes,
 751                         ac_cv_call_getpwuid_r=no)
 752         ])
 753
 754 if test $ac_cv_call_getpwuid_r = no; then
 755         AC_DEFINE(SOLARIS_GETPWUID,[],[do we need to use solaris call syntax?])
 756         AC_DEFINE(F_UID_T, "%ld", [whats the matching format string for uid_t?])
 757         AC_DEFINE(F_PID_T, "%ld",  [whats the matching format string for pid_t?])
 758         AC_DEFINE(F_XPID_T, "%lx",  [whats the matching format string for xpid_t?])
 759 else
 760         AC_DEFINE(F_UID_T, "%d",  [whats the matching format string for uid_t?])
 761         AC_DEFINE(F_PID_T, "%d",  [whats the matching format string for pid_t?])
 762         AC_DEFINE(F_XPID_T, "%x",  [whats the matching format string for xpid_t?])
 763 fi
 764
 765 dnl AC_CHECK_FUNCS(res_query)
 766 AC_CACHE_CHECK([for the resolver calls],
 767                ac_cv_resquery_ok,
 768 [AC_TRY_COMPILE([#include <netinet/in.h>
 769 #include <sys/types.h>
 770 #include <arpa/nameser.h>
 771 #include <resolv.h>],
 772                 [
 773                         char *domain="www.google.com";
 774                         u_char *answer;
 775                         int len;
 776                         len = res_query( domain, C_IN, T_A, answer, PACKETSZ );
 777                 ],
 778                 ac_cv_resquery_ok=yes,
 779                 ac_cv_resquery_ok=no)
 780 ])
 781 echo "resquery: $ac_cv_resquery_ok"
 782
 783 dnl if test "$ac_cv_resquery_ok" = "no" ; then
 784 dnl    AC_DEFINE(RES_QUERY_GONE, "#error resquery not here. can't continue.")
 785 dnl fi
 786
 787
 788
 789 AC_CACHE_CHECK([for ut_host in struct utmp], ac_cv_struct_ut_host,
 790 [AC_TRY_COMPILE([#include <sys/types.h>
 791 #include <utmp.h>], [struct utmp ut; ut.ut_host;],
 792 ac_cv_struct_ut_host=yes, ac_cv_struct_ut_host=no)])
 793 if test $ac_cv_struct_ut_host = yes; then
 794         AC_DEFINE(HAVE_UT_HOST, [], [define this if struct utmp has an ut_host member])
 795 fi
 796
 797 dnl Checks for library functions.
 798 AC_FUNC_GETPGRP
 799 AC_PROG_GCC_TRADITIONAL
 800 AC_TYPE_SIGNAL
 801 AC_FUNC_VPRINTF
 802 AC_CHECK_FUNCS(getspnam getutxline mkdir mkfifo mktime rmdir select socket strerror strcasecmp strncasecmp)
 803
 804 dnl Now check for pthreads
 805
 806 dnl On some platforms, AC_CHECK_FUNC[S] doesn't work for pthreads programs;
 807 dnl we need to include pthread.h
 808
 809 AC_CACHE_CHECK([for pthread_cancel], ac_cv_func_pthread_cancel,
 810 [AC_TRY_LINK([#include <pthread.h>],
 811 [       pthread_t thread;
 812
 813         /* The GNU C library defines this for functions which it implements
 814            to always fail with ENOSYS.  Some functions are actually named
 815            something starting with __ and the normal name is an alias.  */
 816 #if defined (__stub_pthread_cancel) || defined (__stub___pthread_cancel)
 817         choke me
 818 #else
 819         pthread_cancel(thread);
 820 #endif],
 821 ac_cv_func_pthread_cancel=yes, ac_cv_func_pthread_cancel=no)])
 822 if test "$ac_cv_func_pthread_cancel" = yes; then
 823         AC_DEFINE(HAVE_PTHREAD_CANCEL, [], [define this if you have the pthread_cancel() function])
 824 fi
 825
 826 AC_CACHE_CHECK([for pthread_create], ac_cv_func_pthread_create,
 827 [AC_TRY_LINK([#include <pthread.h>],
 828 [       /* The GNU C library defines this for functions which it implements
 829            to always fail with ENOSYS.  Some functions are actually named
 830            something starting with __ and the normal name is an alias.  */
 831 #if defined (__stub_pthread_cancel) || defined (__stub___pthread_cancel)
 832         choke me
 833 #else
 834         pthread_create(NULL, NULL, NULL, NULL);
 835 #endif],
 836 ac_cv_func_pthread_create=yes, ac_cv_func_pthread_create=no)])
 837 if test "$ac_cv_func_pthread_create" = yes; then
 838         test "$DATABASE" && TARGETS="client server utils"
 839         if test "x$enable_threaded_client" != xno; then
 840                 AC_DEFINE(THREADED_CLIENT, [], [define this if you want to enable the multithreaded client])
 841         fi
 842 fi
 843
 844 AC_REPLACE_FUNCS(snprintf getutline)
 845
 846 AC_CACHE_CHECK([the weather], ac_cv_weather, [
 847         sleep 1
 848         echo $ECHO_N "opening your window... $ECHO_C" >&6
 849         sleep 2
 850         month=`date | cut -f 2 -d ' '`
 851         case $month in
 852         Dec | Jan | Feb)
 853                 ac_cv_weather="it's cold!"
 854                 ;;
 855         Mar | Apr)
 856                 ac_cv_weather="it's wet!"
 857                 ;;
 858         Jul | Aug)
 859                 ac_cv_weather="it's hot!"
 860                 ;;
 861         Oct | Nov)
 862                 ac_cv_weather="it's cool"
 863                 ;;
 864         May | Jun | Sep | *)
 865                 ac_cv_weather="it's fine"
 866                 ;;
 867         esac
 868         ])
 869
 870
 871
 872
 873 AC_CACHE_CHECK([under the bed], ac_cv_under_the_bed, [
 874         number=`date | cut -c 19`
 875         case $number in
 876         7)
 877                 ac_cv_under_the_bed="lunatics and monsters found"
 878                 ;;
 879         *)
 880                 ac_cv_under_the_bed="dust bunnies found"
 881                 ;;
 882         esac
 883         ])
 884
 885 dnl Done! Now write the Makefile and sysdep.h
 886 AC_SUBST(AUTH)
 887 AC_SUBST(RESOLV)
 888 AC_SUBST(chkpwd_LIBS)
 889 AC_SUBST(TARGETS)
 890 AC_SUBST(DATABASE)
 891 AC_SUBST(SERVER_LDFLAGS)
 892 AC_SUBST(SERVER_LIBS)
 893 AC_SUBST(SETUP_LIBS)
 894 AC_CONFIG_HEADER(sysdep.h)
 895 AC_CONFIG_FILES([Makefile])
 896 AC_OUTPUT(database_cleanup.sh)
 897
 898 if test -z "$DATABASE"; then
 899         AC_MSG_WARN([No database driver was found. Please install Berkeley DB.])
 900 fi
 901
 902 echo ------------------------------------------------------------------------
 903 echo 'zlib compression:                ' $ok_zlib
 904 echo 'Calendar support:                ' $ok_libical
 905 echo 'LDAP support:                    ' $ok_ldap
 906 echo 'Sieve mailbox filtering support: ' $ok_libsieve
 907 echo 'DSpam Scanning support:          ' $ok_libdspam
 908 echo 'Expat XML parser present:        ' $ok_expat
 909 echo
 910 echo 'Note: if you are not using Linux, make sure you are using GNU make'
 911 echo '(gmake) to compile Citadel.'
 912 echo