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], [7.10], [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=$withval
 127                                         AC_SUBST(MAKE_DOC_DIR)
 128                           fi
 129                         ]
 130 )
 131
 132
 133
 134 AC_ARG_ENABLE(chkpwd, [  --disable-chkpwd        don't build 'chkpwd'])
 135
 136 AC_ARG_ENABLE(threaded-client, [  --disable-threaded-client
 137                           disable multithreaded client])
 138
 139 AC_ARG_ENABLE(pie, [  --enable-pie            build position-independent executables])
 140
 141 AC_ARG_WITH(pam, [  --with-pam              use PAM if present (see PAM.txt before you try this)])
 142 AC_ARG_WITH(kthread, [  --with-kthread          use kernel threads (on FreeBSD) (not recommended yet)])
 143 AC_ARG_WITH(db, [  --with-db@<:@=DIR@:>@         use Sleepycat DB 3.x @<:@DIR=/usr/local/BerkeleyDB.3.@<:@123@:>@@:>@])
 144 AC_ARG_WITH(ssl,
 145         [  --with-ssl=PATH         Specify path to OpenSSL installation ],
 146         [
 147                 if test "x$withval" != "xno" ; then
 148                         tryssldir=$withval
 149                 fi
 150         ]
 151 )
 152 AC_ARG_WITH(ncurses, [  --without-ncurses       don't use ncurses])
 153
 154 AC_ARG_WITH(with_zlib, [  --with-zlib             use zlib compression if present])
 155 AC_ARG_WITH(with_ldap, [  --with-ldap             use OpenLDAP client library])
 156 AC_ARG_WITH(with_libical, [  --with-libical          use libical calendaring library])
 157 AC_ARG_WITH(with_libsieve, [  --with-libsieve         use libsieve mail sorting library])
 158
 159 if test "x$with_db" != xno -a "x$with_db" != xyes -a "$with_db"; then
 160         db_dir="$with_db"
 161         with_db=yes
 162 else
 163         test -f /usr/local/lib/libdb.a -o -f /usr/local/lib/libdb.so \
 164           -o -f /usr/local/lib/libdb4.a -o -f /usr/local/lib/libdb4.so \
 165           && db_dir=/usr/local
 166
 167         test -d /usr/local/BerkeleyDB.4.1 && db_dir=/usr/local/BerkeleyDB.4.1
 168         test -d /usr/local/BerkeleyDB.4.2 && db_dir=/usr/local/BerkeleyDB.4.2
 169         test -d /usr/local/BerkeleyDB.4.3 && db_dir=/usr/local/BerkeleyDB.4.3
 170 fi
 171
 172 dnl By default, we only build the client (citadel and whobbs) unless we can
 173 dnl figure out how to build with POSIX threads.
 174 TARGETS=client
 175
 176 AC_CANONICAL_HOST
 177 PTHREAD_DEFS=-D_REENTRANT
 178 AC_MSG_CHECKING([how to compile with POSIX threads])
 179 case "$host" in
 180         dnl BSDI 3.0 wants relocatable object modules instead of shared libs
 181         dnl for dlopen(), and has a wrapper script to link with shared libs.
 182         dnl Also has stupid non-reentrant gethostbyaddr() and friends.
 183         *-*-bsdi[123]*)
 184                 test -z "$CC" -a -x /usr/bin/shlicc2 && CC=shlicc2
 185                 AC_DEFINE(HAVE_NONREENTRANT_NETDB,[], [define this if the OS has broken non-reentrant gethostby{name,addr}() ])
 186                 AC_MSG_RESULT([Old BSDI])
 187         ;;
 188         *-*-bsdi*)
 189                 AC_DEFINE(HAVE_NONREENTRANT_NETDB, [], [define this if the OS has broken non-reentrant gethostby{name,addr}() ])
 190                 AC_MSG_RESULT([BSD/OS])
 191         ;;
 192         dnl Curses support on Mac OS X is kind of screwed at the moment.
 193         dnl TCP buffering isn't ideal under OS X. This define should also be
 194         dnl checked in other cases of OS X-Linux differences.
 195         *-*-darwin*)
 196                 AC_DEFINE(DISABLE_CURSES,[],[define this to disable use of curses])
 197                 AC_DEFINE(HAVE_DARWIN, [], [define if using OS X/Darwin])
 198                 AC_MSG_RESULT([Mac OS X])
 199         ;;
 200         dnl Digital Unix has an odd way to build for pthreads, and we can't
 201         dnl build pthreads programs with gcc due to header problems.
 202         alpha*-dec-osf*)
 203                 test -z "$CC" && CC=cc
 204                 LIBS="-lpthread -lexc $LIBS"
 205                 check_pthread=no
 206                 AC_MSG_RESULT([Tru64 or Digital UNIX])
 207         ;;
 208         dnl FreeBSD is similar to Digital UNIX with DEC C, which has a -pthread flag:
 209         *-*-freebsd*)
 210                 if test "$with_kthread" = yes; then
 211                         LIBS="-kthread $LIBS"
 212                 else
 213                         LIBS="-pthread $LIBS"
 214                 fi
 215                 check_pthread=no
 216                 PTHREAD_DEFS=-D_THREAD_SAFE
 217                 AC_MSG_RESULT([FreeBSD])
 218         ;;
 219         *-*-openbsd*)
 220                 LIBS="-pthread $LIBS"
 221                 check_pthread=no
 222                 PTHREAD_DEFS=-pthread
 223                 AC_MSG_RESULT([OpenBSD])
 224         ;;
 225         *-*-linux*)
 226                 PTHREAD_DEFS="-D_REENTRANT -pthread"
 227                 AC_MSG_RESULT([Linux])
 228         ;;
 229         *-*-solaris*)
 230                 PTHREAD_DEFS="-D_REENTRANT -D_PTHREADS"
 231                 AC_MSG_RESULT([Solaris])
 232         ;;
 233         *-*-cygwin*)
 234                 SERVER_LDFLAGS="-Wl,-subsystem,windows"
 235                 AC_MSG_RESULT([Cygwin])
 236         ;;
 237         *)
 238                 AC_MSG_RESULT([default])
 239         ;;
 240 esac
 241 dnl DEFS="$DEFS $PTHREAD_DEFS"
 242
 243
 244 dnl Checks for programs.
 245 AC_PROG_CC
 246
 247 dnl Set up system-dependent compiler flags.
 248 if test "$GCC" = yes; then
 249         if test "$CC" = icc; then
 250                 CFLAGS="$CFLAGS -w1"
 251         else
 252                 case "$host" in
 253                         *-*-solaris*|alpha*-dec-osf*)
 254                                 CFLAGS="$CFLAGS -Wall -Wcast-qual -Wcast-align -Wno-char-subscripts $PTHREAD_DEFS"
 255                         ;;
 256                         *)
 257                         CFLAGS="$CFLAGS -Wall -Wcast-qual -Wcast-align -Wstrict-prototypes $PTHREAD_DEFS"
 258                         ;;
 259                 esac
 260         fi
 261 fi
 262
 263 if test "x$enable_pie" = xyes; then
 264         save_CFLAGS="$CFLAGS"
 265         save_LDFLAGS="$LDFLAGS"
 266         CFLAGS="$CFLAGS -fpie"
 267         LDFLAGS="$LDFLAGS -pie -fpie"
 268         AC_CACHE_CHECK([whether compiler accepts -pie -fpie], ac_cv_pie_fpie,
 269         [AC_TRY_LINK([], [],
 270         ac_cv_pie_fpie=yes, ac_cv_pie_fpie=no)])
 271         if test $ac_cv_pie_fpie = no; then
 272                 CFLAGS="$save_CFLAGS"
 273                 LDFLAGS="$save_LDFLAGS"
 274         fi
 275 fi
 276
 277 AC_PROG_INSTALL
 278 AC_PROG_YACC
 279 missing_dir=`cd $ac_aux_dir && pwd`
 280 AM_MISSING_PROG(AUTOCONF, autoconf, $missing_dir)
 281 AM_MISSING_PROG(ACLOCAL, aclocal, $missing_dir)
 282
 283 dnl Checks for system services.
 284
 285 dnl Check the size of various builtin types; see typesize.h (error)
 286 AC_CHECK_SIZEOF(char, 0)
 287 AC_CHECK_SIZEOF(short, 0)
 288 AC_CHECK_SIZEOF(int, 0)
 289 AC_CHECK_SIZEOF(long, 0)
 290 dnl AC_CHECK_SIZEOF(long long, 0)
 291
 292 dnl Checks for libraries.
 293
 294 dnl We want to test for the following in libc before checking for their
 295 dnl respective libraries, because some systems (like Irix) have both, and the
 296 dnl non-libc versions may be broken.
 297 AC_CHECK_FUNCS(crypt gethostbyname connect)
 298
 299 if test "$ac_cv_func_gethostbyname" = no; then
 300         AC_CHECK_LIB(nsl, gethostbyname)
 301 fi
 302
 303 if test "$ac_cv_func_connect" = no; then
 304         AC_CHECK_LIB(socket, connect)
 305 fi
 306
 307 dnl Check for Solaris realtime support
 308 AC_CHECK_LIB(rt, sched_yield)
 309
 310 dnl Determine the system's authentication capabilities.
 311 dnl We currently support PAM, standard getpwnam(), and getspnam()
 312 dnl (Linux shadow passwords)
 313
 314         if test "$with_pam" = yes; then
 315                 save_LIBS=$LIBS
 316                 AC_CHECK_LIB(pam, pam_start, [chkpwd_LIBS="-lpam $chkpwd_LIBS"
 317                         LIBS="-lpam $LIBS"])
 318                 AC_CHECK_FUNCS(pam_start)
 319                 test "$enable_chkpwd" != no && LIBS=$save_LIBS
 320         fi
 321         if test "$ac_cv_func_pam_start" = no -o "$with_pam" != yes; then
 322                 save_LIBS=$LIBS
 323                 AC_SEARCH_LIBS(getspnam, shadow, [
 324                         if test "$ac_cv_search_getspnam" = -lshadow; then
 325                                 chkpwd_LIBS="-lshadow $chkpwd_LIBS"
 326                         fi])
 327                 test "$enable_chkpwd" != no && LIBS=$save_LIBS
 328                 if test "$ac_cv_func_crypt" = no; then
 329                         AC_CHECK_LIB(crypt, crypt, [
 330                                 chkpwd_LIBS="-lcrypt $chkpwd_LIBS"
 331                                 test "$enable_chkpwd" = no && \
 332                                         LIBS="-lcrypt $LIBS"])
 333                 fi
 334         fi
 335         if test "$ac_cv_func_crypt" = yes -o "$ac_cv_lib_crypt_crypt" = yes -o "$ac_cv_func_pam_start" = yes; then
 336                 if test "$enable_chkpwd" != no; then
 337                         AC_DEFINE(ENABLE_CHKPWD, [], [define this to enable use of the chkpwd program (for shadow passwords)])
 338                         CHKPWD=chkpwd
 339                 else
 340                         AUTH=auth.lo
 341                 fi
 342         fi
 343
 344 test -f /usr/local/lib/libresolv.a && LDFLAGS="$LDFLAGS -L/usr/local/lib"
 345 AC_CHECK_LIB(resolv, res_query, RESOLV="$RESOLV -lresolv")
 346
 347 if test "x$with_ncurses" != "xno"; then
 348         AC_SEARCH_LIBS(tgetent, [ncurses curses termcap])
 349         AC_SEARCH_LIBS(scrollok, [ncurses curses])
 350         AC_SEARCH_LIBS(initscr, [ncurses curses])
 351 else
 352         AC_SEARCH_LIBS(tgetent, [curses termcap])
 353         AC_SEARCH_LIBS(initscr, [curses])
 354 fi
 355 AC_CHECK_FUNCS(vw_printw wcolor_set resizeterm wresize)
 356
 357 dnl Check for libpthread(s) if we're not using Digital UNIX or FreeBSD. (On
 358 dnl which the -pthread flag takes care of this.)
 359 if test "$check_pthread" != no; then
 360         AC_CHECK_LIB(pthread, pthread_create)
 361         AC_CHECK_LIB(pthreads, pthread_create)
 362 fi
 363
 364 test -d /usr/kerberos/include && CPPFLAGS="$CPPFLAGS -I/usr/kerberos/include"
 365
 366 # The big search for OpenSSL
 367 if test "$with_ssl" != "no"; then
 368         saved_LIBS="$LIBS"
 369         saved_LDFLAGS="$LDFLAGS"
 370         saved_CFLAGS="$CFLAGS"
 371         if test "x$prefix" != "xNONE"; then
 372                 tryssldir="$tryssldir $prefix"
 373         fi
 374         AC_CACHE_CHECK([for OpenSSL], ac_cv_openssldir, [
 375                 for ssldir in $tryssldir "" /usr /usr/local/openssl /usr/lib/openssl /usr/local/ssl /usr/lib/ssl /usr/local /usr/pkg /opt /opt/openssl ; do
 376                         CFLAGS="$saved_CFLAGS"
 377                         LDFLAGS="$saved_LDFLAGS"
 378                         LIBS="$saved_LIBS -lssl -lcrypto"
 379
 380                         # Skip directories if they don't exist
 381                         if test ! -z "$ssldir" -a ! -d "$ssldir" ; then
 382                                 continue;
 383                         fi
 384                         if test ! -z "$ssldir" -a "x$ssldir" != "x/usr"; then
 385                                 # Try to use $ssldir/lib if it exists, otherwise
 386                                 # $ssldir
 387                                 if test -d "$ssldir/lib" ; then
 388                                         LDFLAGS="-L$ssldir/lib $saved_LDFLAGS"
 389                                         if test ! -z "$need_dash_r" ; then
 390                                                 LDFLAGS="-R$ssldir/lib $LDFLAGS"
 391                                         fi
 392                                 else
 393                                         LDFLAGS="-L$ssldir $saved_LDFLAGS"
 394                                         if test ! -z "$need_dash_r" ; then
 395                                                 LDFLAGS="-R$ssldir $LDFLAGS"
 396                                         fi
 397                                 fi
 398                                 # Try to use $ssldir/include if it exists, otherwise
 399                                 # $ssldir
 400                                 if test -d "$ssldir/include" ; then
 401                                         CFLAGS="-I$ssldir/include $saved_CFLAGS"
 402                                 else
 403                                         CFLAGS="-I$ssldir $saved_CFLAGS"
 404                                 fi
 405                         fi
 406
 407                         # Basic test to check for compatible version and correct linking
 408                         # *does not* test for RSA - that comes later.
 409                         AC_TRY_RUN(
 410                                 [
 411         #include <string.h>
 412         #include <openssl/rand.h>
 413         int main(void)
 414         {
 415                 char a[2048];
 416                 memset(a, 0, sizeof(a));
 417                 RAND_add(a, sizeof(a), sizeof(a));
 418                 return(RAND_status() <= 0);
 419         }
 420                                 ],
 421                                 [
 422                                         found_crypto=1
 423                                         break;
 424                                 ], []
 425                         )
 426
 427                         if test ! -z "$found_crypto" ; then
 428                                 break;
 429                         fi
 430                 done
 431
 432                 if test -z "$ssldir" ; then
 433                         ssldir="(system)"
 434                 fi
 435
 436                 if test ! -z "$found_crypto" ; then
 437                         ac_cv_openssldir=$ssldir
 438                 else
 439                         ac_cv_openssldir="no"
 440                 fi
 441         ])
 442         LIBS="$saved_LIBS"
 443         LDFLAGS="$saved_LDFLAGS"
 444         CFLAGS="$saved_CFLAGS"
 445
 446         if test "x$ac_cv_openssldir" != "xno" ; then
 447                 AC_DEFINE(HAVE_OPENSSL, [], [Define if you have OpenSSL.])
 448                 LIBS="-lssl -lcrypto $LIBS"
 449                 dnl Need to recover ssldir - test above runs in subshell
 450                 ssldir=$ac_cv_openssldir
 451                 if test ! -z "$ssldir" -a "x$ssldir" != "x/usr" -a "x$ssldir" != "x(system)"; then
 452                         # Try to use $ssldir/lib if it exists, otherwise
 453                         # $ssldir
 454                         if test -d "$ssldir/lib" ; then
 455                                 LDFLAGS="-L$ssldir/lib $saved_LDFLAGS"
 456                                 if test ! -z "$need_dash_r" ; then
 457                                         LDFLAGS="-R$ssldir/lib $LDFLAGS"
 458                                 fi
 459                         else
 460                                 LDFLAGS="-L$ssldir $saved_LDFLAGS"
 461                                 if test ! -z "$need_dash_r" ; then
 462                                         LDFLAGS="-R$ssldir $LDFLAGS"
 463                                 fi
 464                         fi
 465                         # Try to use $ssldir/include if it exists, otherwise
 466                         # $ssldir
 467                         if test -d "$ssldir/include" ; then
 468                                 CFLAGS="-I$ssldir/include $saved_CFLAGS"
 469                         else
 470                                 CFLAGS="-I$ssldir $saved_CFLAGS"
 471                         fi
 472                 fi
 473         fi
 474 fi
 475
 476 if test "x$with_db" != xno; then
 477         test "$db_dir" && LDFLAGS="$LDFLAGS -L$db_dir/lib"
 478
 479         dblib=""
 480
 481         if test -d "$db_dir/include/db4"; then
 482                 CPPFLAGS="$CPPFLAGS -I$db_dir/include/db4"
 483                 dblib="db4"
 484         elif test "$db_dir"; then
 485                 CPPFLAGS="$CPPFLAGS -I$db_dir/include"
 486         elif test -d /usr/include/db4; then
 487                 CPPFLAGS="$CPPFLAGS -I/usr/include/db4"
 488                 dblib="db4"
 489         fi
 490
 491
 492         AC_CHECK_DB([db db-4.1 db-4 db4],
 493                     [
 494                      DATABASE=database_sleepycat.c
 495                     ],
 496                     AC_MSG_ERROR([[Can not locate a suitable Berkeley DB
 497                                   library.  Use --with-db=PATH to specify
 498                                   the path]]))
 499
 500 fi
 501
 502 dnl Checks for the zlib compression library.
 503 if test "x$with_zlib" != xno ; then
 504         AC_CHECK_HEADERS(zlib.h,
 505                 [AC_CHECK_LIB(z, zlibVersion,
 506                         [ok_zlib=yes],,
 507         )])
 508 fi
 509
 510 if test "x$ok_zlib" = xyes ; then
 511         SERVER_LIBS="-lz $SERVER_LIBS"
 512         AC_DEFINE(HAVE_ZLIB, [], [define this if you have zlib compression available])
 513 fi
 514
 515
 516
 517
 518 dnl Checks for the OpenLDAP client library.
 519 if test "x$with_ldap" != xno ; then
 520         AC_CHECK_HEADERS(ldap.h,
 521                 [AC_CHECK_LIB(ldap, ldap_init,
 522                         [ok_ldap=yes],,
 523         )])
 524 fi
 525
 526 if test "x$ok_ldap" = xyes ; then
 527         SERVER_LIBS="-lldap $SERVER_LIBS"
 528         AC_DEFINE(HAVE_LDAP, [], [define this if you have OpenLDAP client available])
 529 fi
 530
 531
 532
 533
 534
 535 dnl Checks for the libsieve mailbox sorting library.
 536 if test "x$with_libsieve" != xno ; then
 537         AC_CHECK_HEADERS(sieve2.h,
 538                 [AC_CHECK_LIB(sieve, sieve2_license,
 539                         [ok_libsieve=yes],,
 540         )])
 541 fi
 542
 543 if test "x$ok_libsieve" = xyes ; then
 544         SERVER_LIBS="-lsieve $SERVER_LIBS"
 545         AC_DEFINE(HAVE_LIBSIEVE, [], [define this if you have the libsieve mailbox filtering library available])
 546 fi
 547
 548
 549
 550
 551 dnl Checks for the libical calendaring library.
 552 if test "x$with_libical" != xno ; then
 553         AC_CHECK_HEADERS(ical.h,
 554                 [AC_CHECK_LIB(ical, icalcomponent_new,
 555                         [ok_libical=yes],,
 556         )])
 557 fi
 558
 559 if test "x$ok_libical" = xyes ; then
 560
 561         AC_TRY_RUN(
 562                 [
 563 #include <ical.h>
 564 main() {
 565         int major, minor, v;
 566         sscanf(ICAL_VERSION, "%d.%d", &major, &minor);
 567         v = 100*major + minor;
 568         printf("libical version: %i\n", v);
 569         if (v >= 24) {
 570                 printf("This version is ok.\n");
 571                 return(0);
 572         }
 573         printf("libical 0.24 or newer required.\n");
 574         printf("Citadel will be built without calendar support.\n");
 575         return(1);
 576 }
 577                 ],
 578                 [
 579                         SERVER_LIBS="-lical $SERVER_LIBS"
 580                         AC_DEFINE(HAVE_LIBICAL, [], [define this if you have the libical calendaring library available])
 581                 ]
 582         )
 583 fi
 584
 585
 586
 587
 588 dnl Checks for header files.
 589 AC_HEADER_DIRENT
 590 AC_HEADER_STDC
 591 AC_HEADER_SYS_WAIT
 592
 593 dnl
 594 dnl TODO: for the DB header checks, we should check whether the headers
 595 dnl define db_env_create, somehow
 596 dnl
 597 AC_CHECK_HEADERS(curses.h dl.h fcntl.h limits.h malloc.h termios.h sys/ioctl.h sys/select.h sys/time.h sys/prctl.h syslog.h unistd.h utmp.h utmpx.h paths.h db.h db4/db.h pthread.h netinet/in.h arpa/nameser.h arpa/nameser_compat.h)
 598
 599 dnl
 600 dnl need to check if this is actually compilable, sometimes there are
 601 dnl conflicts with the system's headers (eg solaris xpg4 style headers)
 602 dnl
 603 if test "x$with_ncurses" != xno; then
 604         AC_CHECK_HEADERS(ncurses.h,,,[ ])
 605 fi
 606
 607 AC_CHECK_HEADER(resolv.h,AC_DEFINE(HAVE_RESOLV_H, [], [define this if you have the resolv.h header file.]),,
 608 [#ifdef HAVE_SYS_TYPES_H
 609 #include <sys/types.h>
 610 #endif
 611 #ifdef HAVE_NETINET_IN_H
 612 #include <netinet/in.h>
 613 #endif
 614 #ifdef HAVE_ARPA_NAMESER_H
 615 #include <arpa/nameser.h>
 616 #endif])
 617
 618
 619 dnl Checks for typedefs, structures, and compiler characteristics.
 620 AC_C_CONST
 621 AC_TYPE_PID_T
 622 AC_TYPE_SIZE_T
 623 AC_HEADER_TIME
 624
 625 dnl defined in acinclude.m4:
 626 CIT_STRUCT_TM
 627
 628 AC_CACHE_CHECK([for ut_type in struct utmp], ac_cv_struct_ut_type,
 629 [AC_TRY_COMPILE([#include <sys/types.h>
 630 #include <utmp.h>], [struct utmp ut; ut.ut_type;],
 631 ac_cv_struct_ut_type=yes, ac_cv_struct_ut_type=no)])
 632 if test $ac_cv_struct_ut_type = yes; then
 633         AC_DEFINE(HAVE_UT_TYPE, [], [define this if struct utmp has an ut_type member])
 634 fi
 635
 636 AC_CACHE_CHECK(
 637         [for call semantics from getpwuid_r],
 638         ac_cv_call_getpwuid_r,
 639         [AC_TRY_COMPILE([#include <sys/types.h>
 640 #include <pwd.h>],
 641                          [
 642                                 struct passwd pw, *pwp;
 643                                 char pwbuf[64];
 644                                 uid_t uid;
 645
 646                                 getpwuid_r(uid, &pw, pwbuf, sizeof(pwbuf), &pwp);
 647                         ],
 648                         ac_cv_call_getpwuid_r=yes,
 649                         ac_cv_call_getpwuid_r=no)
 650         ])
 651
 652 if test $ac_cv_call_getpwuid_r = no; then
 653         AC_DEFINE(SOLARIS_GETPWUID,[],[do we need to use solaris call syntax?])
 654         AC_DEFINE(F_UID_T, "%ld", [whats the matching format string for uid_t?])
 655         AC_DEFINE(F_PID_T, "%ld",  [whats the matching format string for pid_t?])
 656         AC_DEFINE(F_XPID_T, "%lx",  [whats the matching format string for xpid_t?])
 657 else
 658         AC_DEFINE(F_UID_T, "%d",  [whats the matching format string for uid_t?])
 659         AC_DEFINE(F_PID_T, "%d",  [whats the matching format string for pid_t?])
 660         AC_DEFINE(F_XPID_T, "%x",  [whats the matching format string for xpid_t?])
 661 fi
 662
 663 dnl AC_CHECK_FUNCS(res_query)
 664 AC_CACHE_CHECK([for the resolver calls],
 665                ac_cv_resquery_ok,
 666 [AC_TRY_COMPILE([#include <netinet/in.h>
 667 #include <arpa/nameser.h>
 668 #include <resolv.h>],
 669                 [
 670                         char *domain="www.google.com";
 671                         u_char *answer;
 672                         int len;
 673                         len = res_query( domain, C_IN, T_A, answer, PACKETSZ );
 674                 ],
 675                 ac_cv_resquery_ok=yes,
 676                 ac_cv_resquery_ok=no)
 677 ])
 678 echo "resquery: $ac_cv_resquery_ok"
 679
 680 dnl if test "$ac_cv_resquery_ok" = "no" ; then
 681 dnl    AC_DEFINE(RES_QUERY_GONE, "#error resquery not here. can't continue.")
 682 dnl fi
 683
 684
 685
 686 AC_CACHE_CHECK([for ut_host in struct utmp], ac_cv_struct_ut_host,
 687 [AC_TRY_COMPILE([#include <sys/types.h>
 688 #include <utmp.h>], [struct utmp ut; ut.ut_host;],
 689 ac_cv_struct_ut_host=yes, ac_cv_struct_ut_host=no)])
 690 if test $ac_cv_struct_ut_host = yes; then
 691         AC_DEFINE(HAVE_UT_HOST, [], [define this if struct utmp has an ut_host member])
 692 fi
 693
 694 dnl Checks for library functions.
 695 AC_FUNC_GETPGRP
 696 AC_PROG_GCC_TRADITIONAL
 697 AC_TYPE_SIGNAL
 698 AC_FUNC_VPRINTF
 699 AC_CHECK_FUNCS(getspnam getutxline mkdir mkfifo mktime rmdir select socket strerror strcasecmp strncasecmp)
 700
 701 dnl Now check for pthreads
 702
 703 dnl On some platforms, AC_CHECK_FUNC[S] doesn't work for pthreads programs;
 704 dnl we need to include pthread.h
 705
 706 AC_CACHE_CHECK([for pthread_cancel], ac_cv_func_pthread_cancel,
 707 [AC_TRY_LINK([#include <pthread.h>],
 708 [       pthread_t thread;
 709
 710         /* The GNU C library defines this for functions which it implements
 711            to always fail with ENOSYS.  Some functions are actually named
 712            something starting with __ and the normal name is an alias.  */
 713 #if defined (__stub_pthread_cancel) || defined (__stub___pthread_cancel)
 714         choke me
 715 #else
 716         pthread_cancel(thread);
 717 #endif],
 718 ac_cv_func_pthread_cancel=yes, ac_cv_func_pthread_cancel=no)])
 719 if test "$ac_cv_func_pthread_cancel" = yes; then
 720         AC_DEFINE(HAVE_PTHREAD_CANCEL, [], [define this if you have the pthread_cancel() function])
 721 fi
 722
 723 AC_CACHE_CHECK([for pthread_create], ac_cv_func_pthread_create,
 724 [AC_TRY_LINK([#include <pthread.h>],
 725 [       /* The GNU C library defines this for functions which it implements
 726            to always fail with ENOSYS.  Some functions are actually named
 727            something starting with __ and the normal name is an alias.  */
 728 #if defined (__stub_pthread_cancel) || defined (__stub___pthread_cancel)
 729         choke me
 730 #else
 731         pthread_create(NULL, NULL, NULL, NULL);
 732 #endif],
 733 ac_cv_func_pthread_create=yes, ac_cv_func_pthread_create=no)])
 734 if test "$ac_cv_func_pthread_create" = yes; then
 735         test "$DATABASE" && TARGETS="client server utils"
 736         if test "x$enable_threaded_client" != xno; then
 737                 AC_DEFINE(THREADED_CLIENT, [], [define this if you want to enable the multithreaded client])
 738         fi
 739 fi
 740
 741 AC_REPLACE_FUNCS(snprintf getutline)
 742
 743 AC_CACHE_CHECK([the weather], ac_cv_weather, [
 744         sleep 1
 745         echo $ECHO_N "opening your window... $ECHO_C" >&6
 746         sleep 2
 747         month=`date | cut -f 2 -d ' '`
 748         case $month in
 749         Dec | Jan | Feb)
 750                 ac_cv_weather="it's cold!"
 751                 ;;
 752         Mar | Apr)
 753                 ac_cv_weather="it's wet!"
 754                 ;;
 755         Jul | Aug)
 756                 ac_cv_weather="it's hot!"
 757                 ;;
 758         Oct | Nov)
 759                 ac_cv_weather="it's cool"
 760                 ;;
 761         May | Jun | Sep | *)
 762                 ac_cv_weather="it's fine"
 763                 ;;
 764         esac
 765         ])
 766
 767
 768
 769 AC_CACHE_CHECK([under the bed], ac_cv_under_the_bed, [
 770         number=`date | cut -c 19`
 771         case $number in
 772         7)
 773                 ac_cv_under_the_bed="lunatics and monsters found"
 774                 ;;
 775         *)
 776                 ac_cv_under_the_bed="dust bunnies found"
 777                 ;;
 778         esac
 779         ])
 780
 781 dnl Done! Now write the Makefile and sysdep.h
 782 AC_SUBST(AUTH)
 783 AC_SUBST(CHKPWD)
 784 AC_SUBST(RESOLV)
 785 AC_SUBST(chkpwd_LIBS)
 786 AC_SUBST(TARGETS)
 787 AC_SUBST(DATABASE)
 788 AC_SUBST(SERVER_LDFLAGS)
 789 AC_SUBST(SERVER_LIBS)
 790 AC_SUBST(SETUP_LIBS)
 791 AC_CONFIG_HEADER(sysdep.h)
 792 AC_CONFIG_FILES([Makefile])
 793 AC_OUTPUT(database_cleanup.sh)
 794
 795 if test -z "$DATABASE"; then
 796         AC_MSG_WARN([No database driver was found. Please install Berkeley DB.])
 797 fi
 798
 799 echo ------------------------------------------------------------------------
 800 echo 'zlib compression:                ' $ok_zlib
 801 echo 'Calendar support:                ' $ok_libical
 802 echo 'LDAP support:                    ' $ok_ldap
 803 echo 'Sieve mailbox filtering support: ' $ok_libsieve
 804 echo
 805 echo 'Note: if you are not using Linux, make sure you are using GNU make'
 806 echo '(gmake) to compile Citadel.'
 807 echo