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], [7.01], [http://www.citadel.org/])
   5 AC_REVISION([$Revision$])
   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")
  10 else
  11         AC_DEFINE_UNQUOTED(CTDLDIR, "$prefix")
  12 fi
  13
  14
  15 dnl Make sure we see all GNU and Solaris extensions.
  16 AC_GNU_SOURCE
  17
  18
  19 dnl Checks for the Datadir
  20 AC_ARG_WITH(datadir,
  21                     [  --with-datadir          directory to store the databases under],
  22                         [ if test "x$withval" != "xno" ; then
  23                                               AC_DEFINE(HAVE_DATA_DIR)
  24                                                   AC_DEFINE_UNQUOTED(DATA_DIR, "$withval")
  25                                                   MAKE_DATA_DIR=$withval
  26                                                   AC_SUBST(MAKE_DATA_DIR)
  27                           fi
  28                         ]
  29 )
  30
  31 dnl Checks for the spooldir
  32 AC_ARG_WITH(spooldir,
  33                         [  --with-spooldir         directory to keep queues under],
  34                         [ if test "x$withval" != "xno" ; then
  35                                             AC_DEFINE(HAVE_SPOOL_DIR)
  36                                                 AC_DEFINE_UNQUOTED(SPOOL_DIR,"$withval")
  37                                                 MAKE_SPOOL_DIR=$withval
  38                                                 AC_SUBST(MAKE_SPOOL_DIR)
  39                            fi
  40                         ]
  41 )
  42
  43
  44 dnl Checks for the Configdir
  45 AC_ARG_WITH(sysconfdir,
  46                         [  --with-sysconfdir       directory to store the configs under],
  47                         [ if test "x$withval" != "xno" ; then
  48                                             AC_DEFINE(HAVE_ETC_DIR)
  49                                                 AC_DEFINE_UNQUOTED(ETC_DIR, "$withval")
  50                                                 MAKE_ETC_DIR=$withval
  51                                                 AC_SUBST(MAKE_ETC_DIR)
  52                           fi
  53                         ]
  54 )
  55
  56
  57 dnl Checks for the run-dir for the sockets
  58 AC_ARG_WITH(rundir,
  59                         [  --with-rundir           directory to store the configs under],
  60                         [ if test "x$withval" != "xno" ; then
  61                                             AC_DEFINE(HAVE_RUN_DIR)
  62                                                 AC_DEFINE_UNQUOTED(RUN_DIR, "$withval")
  63                                                 MAKE_RUN_DIR=$withval
  64                                                 AC_SUBST(MAKE_RUN_DIR)
  65                           fi
  66                         ]
  67 )
  68
  69
  70 dnl Checks for the Pseudo Random Generator sockets TODO: this keeps being default.
  71 AC_DEFINE_UNQUOTED(EGD_POOL, "/var/run/egd-pool")
  72 AC_ARG_WITH(egdpool,
  73                         [  --with-egdpool          the socket from Pseudo Random Generator, defaults to /var/run/egd-pool],
  74                         [ if test "x$withval" != "xno" ; then
  75                                                 AC_DEFINE_UNQUOTED(EGD_POOL, "$withval")
  76                           fi
  77                         ]
  78 )
  79
  80
  81 AC_ARG_WITH(docdir,
  82                         [  --with-docdir           where to install the documentation. default: /usr/local/citadel/],
  83                         [ if test "x$withval" != "xno" ; then
  84                                         MAKE_DOC_DIR=$withval
  85                                         AC_SUBST(MAKE_DOC_DIR)
  86                           fi
  87                         ]
  88 )
  89
  90
  91
  92 AC_ARG_ENABLE(chkpwd, [  --disable-chkpwd        don't build 'chkpwd'])
  93
  94 AC_ARG_ENABLE(threaded-client, [  --disable-threaded-client
  95                           disable multithreaded client])
  96
  97 AC_ARG_ENABLE(pie, [  --enable-pie            build position-independent executables])
  98
  99 AC_ARG_WITH(pam, [  --with-pam              use PAM if present (see PAM.txt before you try this)])
 100 AC_ARG_WITH(kthread, [  --with-kthread          use kernel threads (on FreeBSD) (not recommended yet)])
 101 AC_ARG_WITH(db, [  --with-db@<:@=DIR@:>@         use Sleepycat DB 3.x @<:@DIR=/usr/local/BerkeleyDB.3.@<:@123@:>@@:>@])
 102 AC_ARG_WITH(ssl,
 103         [  --with-ssl=PATH         Specify path to OpenSSL installation ],
 104         [
 105                 if test "x$withval" != "xno" ; then
 106                         tryssldir=$withval
 107                 fi
 108         ]
 109 )
 110 AC_ARG_WITH(ncurses, [  --without-ncurses       don't use ncurses])
 111
 112 AC_ARG_WITH(with_zlib, [  --with-zlib             use zlib compression if present])
 113 AC_ARG_WITH(with_ldap, [  --with-ldap             use OpenLDAP client library])
 114 AC_ARG_WITH(with_libical, [  --with-libical          use libical calendaring library])
 115 AC_ARG_WITH(with_libsieve, [  --with-libsieve         use libsieve mail sorting library])
 116 AC_ARG_WITH(with_newt, [  --with-newt             use newt window library])
 117
 118 if test "x$with_db" != xno -a "x$with_db" != xyes -a "$with_db"; then
 119         db_dir="$with_db"
 120         with_db=yes
 121 else
 122         test -f /usr/local/lib/libdb.a -o -f /usr/local/lib/libdb.so \
 123           -o -f /usr/local/lib/libdb4.a -o -f /usr/local/lib/libdb4.so \
 124           && db_dir=/usr/local
 125
 126         test -d /usr/local/BerkeleyDB.4.1 && db_dir=/usr/local/BerkeleyDB.4.1
 127         test -d /usr/local/BerkeleyDB.4.2 && db_dir=/usr/local/BerkeleyDB.4.2
 128         test -d /usr/local/BerkeleyDB.4.3 && db_dir=/usr/local/BerkeleyDB.4.3
 129 fi
 130
 131 dnl By default, we only build the client (citadel and whobbs) unless we can
 132 dnl figure out how to build with POSIX threads.
 133 TARGETS=client
 134
 135 AC_CANONICAL_HOST
 136 PTHREAD_DEFS=-D_REENTRANT
 137 AC_MSG_CHECKING([how to compile with POSIX threads])
 138 case "$host" in
 139         dnl BSDI 3.0 wants relocatable object modules instead of shared libs
 140         dnl for dlopen(), and has a wrapper script to link with shared libs.
 141         dnl Also has stupid non-reentrant gethostbyaddr() and friends.
 142         *-*-bsdi[123]*)
 143                 test -z "$CC" -a -x /usr/bin/shlicc2 && CC=shlicc2
 144                 AC_DEFINE(HAVE_NONREENTRANT_NETDB)
 145                 AC_MSG_RESULT([Old BSDI])
 146         ;;
 147         *-*-bsdi*)
 148                 AC_DEFINE(HAVE_NONREENTRANT_NETDB)
 149                 AC_MSG_RESULT([BSD/OS])
 150         ;;
 151         dnl Curses support on Mac OS X is kind of screwed at the moment.
 152         *-*-darwin*)
 153                 AC_DEFINE(DISABLE_CURSES)
 154                 AC_MSG_RESULT([Mac OS X])
 155         ;;
 156         dnl Digital Unix has an odd way to build for pthreads, and we can't
 157         dnl build pthreads programs with gcc due to header problems.
 158         alpha*-dec-osf*)
 159                 test -z "$CC" && CC=cc
 160                 LIBS="-lpthread -lexc $LIBS"
 161                 check_pthread=no
 162                 AC_MSG_RESULT([Tru64 or Digital UNIX])
 163         ;;
 164         dnl FreeBSD is similar to Digital UNIX with DEC C, which has a -pthread flag:
 165         *-*-freebsd*)
 166                 if test "$with_kthread" = yes; then
 167                         LIBS="-kthread $LIBS"
 168                 else
 169                         LIBS="-pthread $LIBS"
 170                 fi
 171                 check_pthread=no
 172                 PTHREAD_DEFS=-D_THREAD_SAFE
 173                 AC_MSG_RESULT([FreeBSD])
 174         ;;
 175         *-*-openbsd*)
 176                 LIBS="-pthread $LIBS"
 177                 check_pthread=no
 178                 PTHREAD_DEFS=-pthread
 179                 AC_MSG_RESULT([OpenBSD])
 180         ;;
 181         *-*-linux*)
 182                 PTHREAD_DEFS="-D_REENTRANT -pthread"
 183                 AC_MSG_RESULT([Linux])
 184         ;;
 185         *-*-solaris*)
 186                 PTHREAD_DEFS="-D_REENTRANT -D_PTHREADS"
 187                 AC_MSG_RESULT([Solaris])
 188         ;;
 189         *-*-cygwin*)
 190                 SERVER_LDFLAGS="-Wl,-subsystem,windows"
 191                 AC_MSG_RESULT([Cygwin])
 192         ;;
 193         *)
 194                 AC_MSG_RESULT([default])
 195         ;;
 196 esac
 197 dnl DEFS="$DEFS $PTHREAD_DEFS"
 198
 199
 200 dnl Checks for programs.
 201 AC_PROG_CC
 202
 203 dnl Set up system-dependent compiler flags.
 204 if test "$GCC" = yes; then
 205         if test "$CC" = icc; then
 206                 CFLAGS="$CFLAGS -w1"
 207         else
 208                 case "$host" in
 209                         *-*-solaris*|alpha*-dec-osf*)
 210                                 CFLAGS="$CFLAGS -Wall -Wcast-qual -Wcast-align -Wno-char-subscripts $PTHREAD_DEFS"
 211                         ;;
 212                         *)
 213                         CFLAGS="$CFLAGS -Wall -Wcast-qual -Wcast-align -Wstrict-prototypes $PTHREAD_DEFS"
 214                         ;;
 215                 esac
 216         fi
 217 fi
 218
 219 if test "x$enable_pie" = xyes; then
 220         save_CFLAGS="$CFLAGS"
 221         save_LDFLAGS="$LDFLAGS"
 222         CFLAGS="$CFLAGS -fpie"
 223         LDFLAGS="$LDFLAGS -pie -fpie"
 224         AC_CACHE_CHECK([whether compiler accepts -pie -fpie], ac_cv_pie_fpie,
 225         [AC_TRY_LINK([], [],
 226         ac_cv_pie_fpie=yes, ac_cv_pie_fpie=no)])
 227         if test $ac_cv_pie_fpie = no; then
 228                 CFLAGS="$save_CFLAGS"
 229                 LDFLAGS="$save_LDFLAGS"
 230         fi
 231 fi
 232
 233 AC_PROG_INSTALL
 234 AC_PROG_YACC
 235 missing_dir=`cd $ac_aux_dir && pwd`
 236 AM_MISSING_PROG(AUTOCONF, autoconf, $missing_dir)
 237 AM_MISSING_PROG(ACLOCAL, aclocal, $missing_dir)
 238
 239 dnl Checks for system services.
 240
 241 dnl Check the size of various builtin types; see typesize.h (error)
 242 AC_CHECK_SIZEOF(char, 0)
 243 AC_CHECK_SIZEOF(short, 0)
 244 AC_CHECK_SIZEOF(int, 0)
 245 AC_CHECK_SIZEOF(long, 0)
 246 dnl AC_CHECK_SIZEOF(long long, 0)
 247
 248 dnl Checks for libraries.
 249
 250 dnl We want to test for the following in libc before checking for their
 251 dnl respective libraries, because some systems (like Irix) have both, and the
 252 dnl non-libc versions may be broken.
 253 AC_CHECK_FUNCS(crypt gethostbyname connect)
 254
 255 if test "$ac_cv_func_gethostbyname" = no; then
 256         AC_CHECK_LIB(nsl, gethostbyname)
 257 fi
 258
 259 if test "$ac_cv_func_connect" = no; then
 260         AC_CHECK_LIB(socket, connect)
 261 fi
 262
 263 dnl Check for Solaris realtime support
 264 AC_CHECK_LIB(rt, sched_yield)
 265
 266 dnl Determine the system's authentication capabilities.
 267 dnl We currently support PAM, standard getpwnam(), and getspnam()
 268 dnl (Linux shadow passwords)
 269
 270         if test "$with_pam" = yes; then
 271                 save_LIBS=$LIBS
 272                 AC_CHECK_LIB(pam, pam_start, [chkpwd_LIBS="-lpam $chkpwd_LIBS"
 273                         LIBS="-lpam $LIBS"])
 274                 AC_CHECK_FUNCS(pam_start)
 275                 test "$enable_chkpwd" != no && LIBS=$save_LIBS
 276         fi
 277         if test "$ac_cv_func_pam_start" = no -o "$with_pam" != yes; then
 278                 save_LIBS=$LIBS
 279                 AC_SEARCH_LIBS(getspnam, shadow, [
 280                         if test "$ac_cv_search_getspnam" = -lshadow; then
 281                                 chkpwd_LIBS="-lshadow $chkpwd_LIBS"
 282                         fi])
 283                 test "$enable_chkpwd" != no && LIBS=$save_LIBS
 284                 if test "$ac_cv_func_crypt" = no; then
 285                         AC_CHECK_LIB(crypt, crypt, [
 286                                 chkpwd_LIBS="-lcrypt $chkpwd_LIBS"
 287                                 test "$enable_chkpwd" = no && \
 288                                         LIBS="-lcrypt $LIBS"])
 289                 fi
 290         fi
 291         if test "$ac_cv_func_crypt" = yes -o "$ac_cv_lib_crypt_crypt" = yes -o "$ac_cv_func_pam_start" = yes; then
 292                 if test "$enable_chkpwd" != no; then
 293                         AC_DEFINE(ENABLE_CHKPWD)
 294                         CHKPWD=chkpwd
 295                 else
 296                         AUTH=auth.lo
 297                 fi
 298         fi
 299
 300 test -f /usr/local/lib/libresolv.a && LDFLAGS="$LDFLAGS -L/usr/local/lib"
 301 AC_CHECK_LIB(resolv, res_query, RESOLV="$RESOLV -lresolv")
 302
 303 if test "x$with_ncurses" != "xno"; then
 304         AC_SEARCH_LIBS(tgetent, [ncurses curses termcap])
 305         AC_SEARCH_LIBS(scrollok, [ncurses curses])
 306         AC_SEARCH_LIBS(initscr, [ncurses curses])
 307 else
 308         AC_SEARCH_LIBS(tgetent, [curses termcap])
 309         AC_SEARCH_LIBS(initscr, [curses])
 310 fi
 311 AC_CHECK_FUNCS(vw_printw wcolor_set resizeterm wresize)
 312
 313 dnl Check for libpthread(s) if we're not using Digital UNIX or FreeBSD. (On
 314 dnl which the -pthread flag takes care of this.)
 315 if test "$check_pthread" != no; then
 316         AC_CHECK_LIB(pthread, pthread_create)
 317         AC_CHECK_LIB(pthreads, pthread_create)
 318 fi
 319
 320 test -d /usr/kerberos/include && CPPFLAGS="$CPPFLAGS -I/usr/kerberos/include"
 321
 322 # The big search for OpenSSL
 323 if test "$with_ssl" != "no"; then
 324         saved_LIBS="$LIBS"
 325         saved_LDFLAGS="$LDFLAGS"
 326         saved_CFLAGS="$CFLAGS"
 327         if test "x$prefix" != "xNONE"; then
 328                 tryssldir="$tryssldir $prefix"
 329         fi
 330         AC_CACHE_CHECK([for OpenSSL], ac_cv_openssldir, [
 331                 for ssldir in $tryssldir "" /usr /usr/local/openssl /usr/lib/openssl /usr/local/ssl /usr/lib/ssl /usr/local /usr/pkg /opt /opt/openssl ; do
 332                         CFLAGS="$saved_CFLAGS"
 333                         LDFLAGS="$saved_LDFLAGS"
 334                         LIBS="$saved_LIBS -lssl -lcrypto"
 335
 336                         # Skip directories if they don't exist
 337                         if test ! -z "$ssldir" -a ! -d "$ssldir" ; then
 338                                 continue;
 339                         fi
 340                         if test ! -z "$ssldir" -a "x$ssldir" != "x/usr"; then
 341                                 # Try to use $ssldir/lib if it exists, otherwise
 342                                 # $ssldir
 343                                 if test -d "$ssldir/lib" ; then
 344                                         LDFLAGS="-L$ssldir/lib $saved_LDFLAGS"
 345                                         if test ! -z "$need_dash_r" ; then
 346                                                 LDFLAGS="-R$ssldir/lib $LDFLAGS"
 347                                         fi
 348                                 else
 349                                         LDFLAGS="-L$ssldir $saved_LDFLAGS"
 350                                         if test ! -z "$need_dash_r" ; then
 351                                                 LDFLAGS="-R$ssldir $LDFLAGS"
 352                                         fi
 353                                 fi
 354                                 # Try to use $ssldir/include if it exists, otherwise
 355                                 # $ssldir
 356                                 if test -d "$ssldir/include" ; then
 357                                         CFLAGS="-I$ssldir/include $saved_CFLAGS"
 358                                 else
 359                                         CFLAGS="-I$ssldir $saved_CFLAGS"
 360                                 fi
 361                         fi
 362
 363                         # Basic test to check for compatible version and correct linking
 364                         # *does not* test for RSA - that comes later.
 365                         AC_TRY_RUN(
 366                                 [
 367         #include <string.h>
 368         #include <openssl/rand.h>
 369         int main(void)
 370         {
 371                 char a[2048];
 372                 memset(a, 0, sizeof(a));
 373                 RAND_add(a, sizeof(a), sizeof(a));
 374                 return(RAND_status() <= 0);
 375         }
 376                                 ],
 377                                 [
 378                                         found_crypto=1
 379                                         break;
 380                                 ], []
 381                         )
 382
 383                         if test ! -z "$found_crypto" ; then
 384                                 break;
 385                         fi
 386                 done
 387
 388                 if test -z "$ssldir" ; then
 389                         ssldir="(system)"
 390                 fi
 391
 392                 if test ! -z "$found_crypto" ; then
 393                         ac_cv_openssldir=$ssldir
 394                 else
 395                         ac_cv_openssldir="no"
 396                 fi
 397         ])
 398         LIBS="$saved_LIBS"
 399         LDFLAGS="$saved_LDFLAGS"
 400         CFLAGS="$saved_CFLAGS"
 401
 402         if test "x$ac_cv_openssldir" != "xno" ; then
 403                 AC_DEFINE(HAVE_OPENSSL)
 404                 LIBS="-lssl -lcrypto $LIBS"
 405                 dnl Need to recover ssldir - test above runs in subshell
 406                 ssldir=$ac_cv_openssldir
 407                 if test ! -z "$ssldir" -a "x$ssldir" != "x/usr" -a "x$ssldir" != "x(system)"; then
 408                         # Try to use $ssldir/lib if it exists, otherwise
 409                         # $ssldir
 410                         if test -d "$ssldir/lib" ; then
 411                                 LDFLAGS="-L$ssldir/lib $saved_LDFLAGS"
 412                                 if test ! -z "$need_dash_r" ; then
 413                                         LDFLAGS="-R$ssldir/lib $LDFLAGS"
 414                                 fi
 415                         else
 416                                 LDFLAGS="-L$ssldir $saved_LDFLAGS"
 417                                 if test ! -z "$need_dash_r" ; then
 418                                         LDFLAGS="-R$ssldir $LDFLAGS"
 419                                 fi
 420                         fi
 421                         # Try to use $ssldir/include if it exists, otherwise
 422                         # $ssldir
 423                         if test -d "$ssldir/include" ; then
 424                                 CFLAGS="-I$ssldir/include $saved_CFLAGS"
 425                         else
 426                                 CFLAGS="-I$ssldir $saved_CFLAGS"
 427                         fi
 428                 fi
 429         fi
 430 fi
 431
 432 if test "x$with_db" != xno; then
 433         test "$db_dir" && LDFLAGS="$LDFLAGS -L$db_dir/lib"
 434
 435         dblib=""
 436
 437         if test -d "$db_dir/include/db4"; then
 438                 CPPFLAGS="$CPPFLAGS -I$db_dir/include/db4"
 439                 dblib="db4"
 440         elif test "$db_dir"; then
 441                 CPPFLAGS="$CPPFLAGS -I$db_dir/include"
 442         elif test -d /usr/include/db4; then
 443                 CPPFLAGS="$CPPFLAGS -I/usr/include/db4"
 444                 dblib="db4"
 445         fi
 446
 447
 448         AC_CHECK_DB([db db-4.1 db-4 db4],
 449                     [
 450                      DATABASE=database_sleepycat.c
 451                     ],
 452                     AC_MSG_ERROR([[Can not locate a suitable Berkeley DB
 453                                   library.  Use --with-db=PATH to specify
 454                                   the path]]))
 455
 456 fi
 457
 458 dnl Checks for the zlib compression library.
 459 if test "x$with_zlib" != xno ; then
 460         AC_CHECK_HEADERS(zlib.h,
 461                 [AC_CHECK_LIB(z, zlibVersion,
 462                         [ok_zlib=yes],,
 463         )])
 464 fi
 465
 466 if test "x$ok_zlib" = xyes ; then
 467         SERVER_LIBS="-lz $SERVER_LIBS"
 468         AC_DEFINE(HAVE_ZLIB)
 469 fi
 470
 471
 472
 473
 474 dnl Checks for the OpenLDAP client library.
 475 if test "x$with_ldap" != xno ; then
 476         AC_CHECK_HEADERS(ldap.h,
 477                 [AC_CHECK_LIB(ldap, ldap_init,
 478                         [ok_ldap=yes],,
 479         )])
 480 fi
 481
 482 if test "x$ok_ldap" = xyes ; then
 483         SERVER_LIBS="-lldap $SERVER_LIBS"
 484         AC_DEFINE(HAVE_LDAP)
 485 fi
 486
 487
 488
 489
 490 dnl Checks for the newt window library.
 491 if test "x$with_newt" != xno ; then
 492         AC_CHECK_HEADERS(newt.h,
 493                 [AC_CHECK_LIB(newt, newtInit,
 494                         [ok_newt=yes],,
 495         )])
 496 fi
 497
 498 if test "x$ok_newt" = xyes ; then
 499         SETUP_LIBS="-lnewt $SETUP_LIBS"
 500         AC_DEFINE(HAVE_NEWT)
 501 fi
 502
 503
 504
 505
 506
 507 dnl Checks for the libsieve mailbox sorting library.
 508 if test "x$with_libsieve" != xno ; then
 509         AC_CHECK_HEADERS(sieve2.h,
 510                 [AC_CHECK_LIB(sieve, sieve2_license,
 511                         [ok_libsieve=yes],,
 512         )])
 513 fi
 514
 515 if test "x$ok_libsieve" = xyes ; then
 516         SERVER_LIBS="-lsieve $SERVER_LIBS"
 517         AC_DEFINE(HAVE_LIBSIEVE)
 518 fi
 519
 520
 521
 522
 523 dnl Checks for the libical calendaring library.
 524 if test "x$with_libical" != xno ; then
 525         AC_CHECK_HEADERS(ical.h,
 526                 [AC_CHECK_LIB(ical, icalcomponent_new,
 527                         [ok_libical=yes],,
 528         )])
 529 fi
 530
 531 if test "x$ok_libical" = xyes ; then
 532
 533         AC_TRY_RUN(
 534                 [
 535 #include <ical.h>
 536 main() {
 537         int major, minor, v;
 538         sscanf(ICAL_VERSION, "%d.%d", &major, &minor);
 539         v = 100*major + minor;
 540         printf("libical version: %i\n", v);
 541         if (v >= 24) {
 542                 printf("This version is ok.\n");
 543                 return(0);
 544         }
 545         printf("libical 0.24 or newer required.\n");
 546         printf("Citadel will be built without calendar support.\n");
 547         return(1);
 548 }
 549                 ],
 550                 [
 551                         SERVER_LIBS="-lical $SERVER_LIBS"
 552                         AC_DEFINE(HAVE_LIBICAL)
 553                 ]
 554         )
 555 fi
 556
 557
 558
 559
 560 dnl Checks for header files.
 561 AC_HEADER_DIRENT
 562 AC_HEADER_STDC
 563 AC_HEADER_SYS_WAIT
 564
 565 dnl
 566 dnl TODO: for the DB header checks, we should check whether the headers
 567 dnl define db_env_create, somehow
 568 dnl
 569 AC_CHECK_HEADERS(curses.h dl.h fcntl.h limits.h malloc.h termios.h sys/ioctl.h sys/select.h sys/time.h sys/prctl.h syslog.h unistd.h utmp.h utmpx.h paths.h db.h db4/db.h pthread.h netinet/in.h arpa/nameser.h arpa/nameser_compat.h)
 570
 571 dnl
 572 dnl need to check if this is actually compilable, sometimes there are
 573 dnl conflicts with the system's headers (eg solaris xpg4 style headers)
 574 dnl
 575 if test "x$with_ncurses" != xno; then
 576         AC_CHECK_HEADERS(ncurses.h,,,[ ])
 577 fi
 578
 579 AC_CHECK_HEADER(resolv.h,AC_DEFINE(HAVE_RESOLV_H),,
 580 [#ifdef HAVE_SYS_TYPES_H
 581 #include <sys/types.h>
 582 #endif
 583 #ifdef HAVE_NETINET_IN_H
 584 #include <netinet/in.h>
 585 #endif
 586 #ifdef HAVE_ARPA_NAMESER_H
 587 #include <arpa/nameser.h>
 588 #endif])
 589
 590
 591 dnl Checks for typedefs, structures, and compiler characteristics.
 592 AC_C_CONST
 593 AC_TYPE_PID_T
 594 AC_TYPE_SIZE_T
 595 AC_HEADER_TIME
 596
 597 dnl defined in acinclude.m4:
 598 CIT_STRUCT_TM
 599
 600 AC_CACHE_CHECK([for ut_type in struct utmp], ac_cv_struct_ut_type,
 601 [AC_TRY_COMPILE([#include <sys/types.h>
 602 #include <utmp.h>], [struct utmp ut; ut.ut_type;],
 603 ac_cv_struct_ut_type=yes, ac_cv_struct_ut_type=no)])
 604 if test $ac_cv_struct_ut_type = yes; then
 605         AC_DEFINE(HAVE_UT_TYPE)
 606 fi
 607
 608 AC_CACHE_CHECK([for ut_host in struct utmp], ac_cv_struct_ut_host,
 609 [AC_TRY_COMPILE([#include <sys/types.h>
 610 #include <utmp.h>], [struct utmp ut; ut.ut_host;],
 611 ac_cv_struct_ut_host=yes, ac_cv_struct_ut_host=no)])
 612 if test $ac_cv_struct_ut_host = yes; then
 613         AC_DEFINE(HAVE_UT_HOST)
 614 fi
 615
 616 dnl Checks for library functions.
 617 AC_FUNC_GETPGRP
 618 AC_PROG_GCC_TRADITIONAL
 619 AC_TYPE_SIGNAL
 620 AC_FUNC_VPRINTF
 621 AC_CHECK_FUNCS(getspnam getutxline mkdir mkfifo mktime rmdir select socket strerror strcasecmp strncasecmp)
 622
 623 dnl Now check for pthreads
 624
 625 dnl On some platforms, AC_CHECK_FUNC[S] doesn't work for pthreads programs;
 626 dnl we need to include pthread.h
 627
 628 AC_CACHE_CHECK([for pthread_cancel], ac_cv_func_pthread_cancel,
 629 [AC_TRY_LINK([#include <pthread.h>],
 630 [       pthread_t thread;
 631
 632         /* The GNU C library defines this for functions which it implements
 633            to always fail with ENOSYS.  Some functions are actually named
 634            something starting with __ and the normal name is an alias.  */
 635 #if defined (__stub_pthread_cancel) || defined (__stub___pthread_cancel)
 636         choke me
 637 #else
 638         pthread_cancel(thread);
 639 #endif],
 640 ac_cv_func_pthread_cancel=yes, ac_cv_func_pthread_cancel=no)])
 641 if test "$ac_cv_func_pthread_cancel" = yes; then
 642         AC_DEFINE(HAVE_PTHREAD_CANCEL)
 643 fi
 644
 645 AC_CACHE_CHECK([for pthread_create], ac_cv_func_pthread_create,
 646 [AC_TRY_LINK([#include <pthread.h>],
 647 [       /* The GNU C library defines this for functions which it implements
 648            to always fail with ENOSYS.  Some functions are actually named
 649            something starting with __ and the normal name is an alias.  */
 650 #if defined (__stub_pthread_cancel) || defined (__stub___pthread_cancel)
 651         choke me
 652 #else
 653         pthread_create(NULL, NULL, NULL, NULL);
 654 #endif],
 655 ac_cv_func_pthread_create=yes, ac_cv_func_pthread_create=no)])
 656 if test "$ac_cv_func_pthread_create" = yes; then
 657         test "$DATABASE" && TARGETS="client server utils"
 658         if test "x$enable_threaded_client" != xno; then
 659                 AC_DEFINE(THREADED_CLIENT)
 660         fi
 661 fi
 662
 663 AC_REPLACE_FUNCS(snprintf getutline)
 664
 665 # AC_CACHE_CHECK([the weather], ac_cv_weather, [
 666 #       sleep 1
 667 #       echo $ECHO_N "opening your window... $ECHO_C" >&6
 668 #       sleep 2
 669 #       month=`date | cut -f 2 -d ' '`
 670 #       case $month in
 671 #       Dec | Jan | Feb)
 672 #               ac_cv_weather="it's cold!"
 673 #               ;;
 674 #       Mar | Apr)
 675 #               ac_cv_weather="it's wet!"
 676 #               ;;
 677 #       Jul | Aug)
 678 #               ac_cv_weather="it's hot!"
 679 #               ;;
 680 #       Oct | Nov)
 681 #               ac_cv_weather="it's cool"
 682 #               ;;
 683 #       May | Jun | Sep | *)
 684 #               ac_cv_weather="it's fine"
 685 #               ;;
 686 #       esac
 687 #       ])
 688
 689
 690
 691 AC_CACHE_CHECK([under the bed], ac_cv_under_the_bed, [
 692         number=`date | cut -c 19`
 693         case $number in
 694         7)
 695                 ac_cv_under_the_bed="lunatics and monsters found"
 696                 ;;
 697         *)
 698                 ac_cv_under_the_bed="dust bunnies found"
 699                 ;;
 700         esac
 701         ])
 702
 703 dnl Done! Now write the Makefile and sysdep.h
 704 AC_SUBST(AUTH)
 705 AC_SUBST(CHKPWD)
 706 AC_SUBST(RESOLV)
 707 AC_SUBST(chkpwd_LIBS)
 708 AC_SUBST(TARGETS)
 709 AC_SUBST(DATABASE)
 710 AC_SUBST(SERVER_LDFLAGS)
 711 AC_SUBST(SERVER_LIBS)
 712 AC_SUBST(SETUP_LIBS)
 713 AC_CONFIG_HEADER(sysdep.h)
 714 AC_CONFIG_FILES([Makefile])
 715 AC_OUTPUT(database_cleanup.sh)
 716
 717 if test -z "$DATABASE"; then
 718         AC_MSG_WARN([No database driver was found. Please install Berkeley DB.])
 719 fi
 720
 721 echo ------------------------------------------------------------------------
 722 echo 'zlib compression:                ' $ok_zlib
 723 echo 'Calendar support:                ' $ok_libical
 724 echo 'LDAP support:                    ' $ok_ldap
 725 echo 'Sieve mailbox filtering support: ' $ok_libsieve
 726 echo
 727 echo 'Note: if you are not using Linux, make sure you are using GNU make'
 728 echo '(gmake) to compile Citadel.'
 729 echo