summaryrefslogtreecommitdiff
path: root/configure.in
blob: a2f0e121873c72b701b2bd1e6139fae8617272e2 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
dnl -*- mode: m4 -*-
AC_PREREQ(2.52)

AC_INIT(dbus/dbus.h)

AM_INIT_AUTOMAKE(dbus, 0.13)

AM_CONFIG_HEADER(config.h)

# Honor aclocal flags
ACLOCAL="$ACLOCAL $ACLOCAL_FLAGS"

GETTEXT_PACKAGE=dbus-1
AC_SUBST(GETTEXT_PACKAGE)
AC_DEFINE_UNQUOTED(GETTEXT_PACKAGE,"$GETTEXT_PACKAGE",[The name of the gettext domain])

 ## must come before we use the $USE_MAINTAINER_MODE variable later
AM_MAINTAINER_MODE

AC_PROG_CC
AC_PROG_CXX
AC_ISC_POSIX
AC_HEADER_STDC

AC_ARG_ENABLE(qt,               [  --enable-qt           enable Qt-friendly client library],enable_qt=$enableval,enable_qt=auto)
AC_ARG_ENABLE(glib,             [  --enable-glib         enable GLib-friendly client library],enable_glib=$enableval,enable_glib=auto)
AC_ARG_ENABLE(gtk,              [  --enable-gtk          enable GTK-requiring executables],enable_gtk=$enableval,enable_gtk=auto)
AC_ARG_ENABLE(tests,            [  --enable-tests        enable unit test code],enable_tests=$enableval,enable_tests=$USE_MAINTAINER_MODE)
AC_ARG_ENABLE(ansi,             [  --enable-ansi         enable -ansi -pedantic gcc flags],enable_ansi=$enableval,enable_ansi=no)
AC_ARG_ENABLE(verbose-mode,     [  --enable-verbose-mode support verbose debug mode],enable_verbose_mode=$enableval,enable_verbose_mode=$USE_MAINTAINER_MODE)
AC_ARG_ENABLE(asserts,          [  --enable-asserts      include assertion checks],enable_asserts=$enableval,enable_asserts=$USE_MAINTAINER_MODE)
AC_ARG_ENABLE(checks,           [  --enable-checks       include sanity checks on public API],enable_checks=$enableval,enable_checks=yes)
AC_ARG_ENABLE(xml-docs,         [  --enable-xml-docs     build XML documentation (requires xmlto)],enable_xml_docs=$enableval,enable_xml_docs=auto)
AC_ARG_ENABLE(doxygen-docs,     [  --enable-doxygen-docs     build DOXYGEN documentation (requires Doxygen)],enable_doxygen_docs=$enableval,enable_doxygen_docs=auto)
AC_ARG_ENABLE(gcov,             [  --enable-gcov         compile with coverage profiling instrumentation (gcc only)],enable_gcov=$enableval,enable_gcov=no)
AC_ARG_ENABLE(abstract-sockets, [  --enable-abstract-sockets  use abstract socket namespace (linux only)],enable_abstract_sockets=$enableval,enable_abstract_sockets=auto)
AC_ARG_ENABLE(gcj,              [  --enable-gcj          build gcj bindings],enable_gcj=$enableval,enable_gcj=no)
AC_ARG_ENABLE(mono,             [  --enable-mono         build mono bindings],enable_mono=$enableval,enable_mono=no)
AC_ARG_ENABLE(python,           [  --enable-python       build python bindings],enable_python=$enableval,enable_python=auto)


AC_ARG_WITH(xml,                [  --with-xml=[libxml/expat]           XML library to use])
AC_ARG_WITH(init-scripts,       [  --with-init-scripts=[redhat]        Style of init scripts to install])
AC_ARG_WITH(session-socket-dir, [  --with-session-socket-dir=[dirname] Where to put sockets for the per-login-session message bus])
AC_ARG_WITH(test-socket-dir,    [  --with-test-socket-dir=[dirname]    Where to put sockets for make check])
AC_ARG_WITH(system-pid-file,    [  --with-system-pid-file=[pidfile]    PID file for systemwide daemon])
AC_ARG_WITH(system-socket,      [  --with-system-socket=[filename]     UNIX domain socket for systemwide daemon])

dnl DBUS_BUILD_TESTS controls unit tests built in to .c files 
dnl and also some stuff in the test/ subdir
AM_CONDITIONAL(DBUS_BUILD_TESTS, test x$enable_tests = xyes)
if test x$enable_tests = xyes; then
    AC_DEFINE(DBUS_BUILD_TESTS,1,[Build test code])
fi

if test x$enable_verbose_mode = xyes; then
    AC_DEFINE(DBUS_ENABLE_VERBOSE_MODE,1,[Support a verbose mode])
fi
if test x$enable_asserts = xno; then
    AC_DEFINE(DBUS_DISABLE_ASSERT,1,[Disable assertion checking])
    AC_DEFINE(G_DISABLE_ASSERT,1,[Disable GLib assertion macros])
fi
if test x$enable_checks = xno; then
    AC_DEFINE(DBUS_DISABLE_CHECKS,1,[Disable public API sanity checking])
    AC_DEFINE(G_DISABLE_CHECKS,1,[Disable GLib public API sanity checking])
fi

#### gcc warning flags

if test "x$GCC" = "xyes"; then
  changequote(,)dnl
  case " $CFLAGS " in
  *[\ \	]-Wall[\ \	]*) ;;
  *) CFLAGS="$CFLAGS -Wall" ;;
  esac

  case " $CFLAGS " in
  *[\ \	]-Wchar-subscripts[\ \	]*) ;;
  *) CFLAGS="$CFLAGS -Wchar-subscripts" ;;
  esac

  case " $CFLAGS " in
  *[\ \	]-Wmissing-declarations[\ \	]*) ;;
  *) CFLAGS="$CFLAGS -Wmissing-declarations" ;;
  esac

  case " $CFLAGS " in
  *[\ \	]-Wmissing-prototypes[\ \	]*) ;;
  *) CFLAGS="$CFLAGS -Wmissing-prototypes" ;;
  esac

  case " $CFLAGS " in
  *[\ \	]-Wnested-externs[\ \	]*) ;;
  *) CFLAGS="$CFLAGS -Wnested-externs" ;;
  esac

  case " $CFLAGS " in
  *[\ \	]-Wpointer-arith[\ \	]*) ;;
  *) CFLAGS="$CFLAGS -Wpointer-arith" ;;
  esac

  case " $CFLAGS " in
  *[\ \	]-Wcast-align[\ \	]*) ;;
  *) CFLAGS="$CFLAGS -Wcast-align" ;;
  esac

  case " $CFLAGS " in
  *[\ \	]-Wsign-compare[\ \	]*) ;;
  *) CFLAGS="$CFLAGS -Wsign-compare" ;;
  esac

  if test "x$enable_ansi" = "xyes"; then
    case " $CFLAGS " in
    *[\ \	]-ansi[\ \	]*) ;;
    *) CFLAGS="$CFLAGS -ansi" ;;
    esac

    case " $CFLAGS " in
    *[\ \	]-D_POSIX_C_SOURCE*) ;;
    *) CFLAGS="$CFLAGS -D_POSIX_C_SOURCE=199309L" ;;
    esac

    case " $CFLAGS " in
    *[\ \	]-D_BSD_SOURCE[\ \	]*) ;;
    *) CFLAGS="$CFLAGS -D_BSD_SOURCE" ;;
    esac

    case " $CFLAGS " in
    *[\ \	]-pedantic[\ \	]*) ;;
    *) CFLAGS="$CFLAGS -pedantic" ;;
    esac
  fi
  if test x$enable_gcov = xyes; then
    case " $CFLAGS " in
    *[\ \	]-fprofile-arcs[\ \	]*) ;;
    *) CFLAGS="$CFLAGS -fprofile-arcs" ;;
    esac
    case " $CFLAGS " in
    *[\ \	]-ftest-coverage[\ \	]*) ;;
    *) CFLAGS="$CFLAGS -ftest-coverage" ;;
    esac

    ## remove optimization
    CFLAGS=`echo "$CFLAGS" | sed -e 's/-O[0-9]*//g'`
  fi
  changequote([,])dnl
else
  if test x$enable_gcov = xyes; then
    AC_MSG_ERROR([--enable-gcov can only be used with gcc])
  fi
fi

#### can't use AM_PROG_GCJ since it fails fatally if no gcj found
AC_CHECK_PROGS(GCJ, gcj, gcj)
if test -z "$GCJ" ; then
     have_gcj=no
else
     # Needs to be here so libtool wont get confused
     AM_PROG_GCJ

     have_gcj=yes
     if test "x${GCJFLAGS-unset}" = xunset; then
        GCJFLAGS="-g -O2 -Wall"
     fi
     AC_SUBST(GCJFLAGS)
fi

if test x$enable_gcj = xauto ; then
    if test x$have_gcj = xno ; then
        enable_gcj=no
    else
        enable_gcj=yes
    fi
fi

if test x$enable_gcj = xyes; then
    if test x$have_gcj = xno ; then
	AC_MSG_ERROR([Building gcj explicitly required, but gcj not found])
    fi
fi

AM_CONDITIONAL(DBUS_USE_GCJ, test x$enable_gcj = xyes)

AM_PROG_LIBTOOL

#### Look for mono
AC_CHECK_TOOL(MCS, mcs, mcs)
if test -z "$MCS" ; then
     have_mcs=no
else
     have_mcs=yes
     if test "x${MCSFLAGS-unset}" = xunset; then
        MCSFLAGS="" ### put default MCSFLAGS here
     fi
     AC_SUBST(MCSFLAGS)
fi

if test x$enable_mono = xauto ; then
    if test x$have_mcs = xno ; then
        enable_mono=no
    else
        enable_mono=yes
    fi
fi

if test x$enable_mono = xyes; then
    if test x$have_mcs = xno ; then
	AC_MSG_ERROR([Building Mono bindings explicitly required, but mcs compiler not found])
    fi
fi

AM_CONDITIONAL(DBUS_USE_MCS, test x$enable_mono = xyes)

changequote(,)dnl
# let ourselves use our own unstable API
CPPFLAGS="-DDBUS_API_SUBJECT_TO_CHANGE=1 $CPPFLAGS"
# compress spaces in flags
CFLAGS=`echo "$CFLAGS" | sed -e 's/ +/ /g'`
CXXFLAGS=`echo "$CXXFLAGS" | sed -e 's/ +/ /g'`
CPPFLAGS=`echo "$CPPFLAGS" | sed -e 's/ +/ /g'`
changequote([,])dnl

if test x$enable_gcov = xyes; then
     ## so that config.h changes when you toggle gcov support
     AC_DEFINE_UNQUOTED(DBUS_GCOV_ENABLED, 1, [Defined if gcov is enabled to force a rebuild due to config.h changing])

     AC_MSG_CHECKING([for gcc 3.3 version of gcov file format])
     have_gcc33_gcov=no
     AC_RUN_IFELSE( [AC_LANG_PROGRAM( , [[ if (__GNUC__ >=3 && __GNUC_MINOR__ >= 3) exit (0); else exit (1); ]])],  
                   have_gcc33_gcov=yes)
     if test x$have_gcc33_gcov = xyes ; then
         AC_DEFINE_UNQUOTED(DBUS_HAVE_GCC33_GCOV, 1, [Defined if we have gcc 3.3 and thus the new gcov format])
     fi
     AC_MSG_RESULT($have_gcc33_gcov)
fi
AM_CONDITIONAL(DBUS_GCOV_ENABLED, test x$enable_gcov = xyes)

#### Integer sizes 

AC_CHECK_SIZEOF(char)
AC_CHECK_SIZEOF(short)
AC_CHECK_SIZEOF(long)
AC_CHECK_SIZEOF(int)
AC_CHECK_SIZEOF(void *)
AC_CHECK_SIZEOF(long long)
AC_CHECK_SIZEOF(__int64)

### See what our 64 bit type is called
AC_MSG_CHECKING([64-bit integer type])

case 8 in
$ac_cv_sizeof_int)
  dbusint64=int
  dbusint64_constant='(val)'
  dbusuint64_constant='(val)'
  ;;
$ac_cv_sizeof_long)
  dbusint64=long
  dbusint64_constant='(val##L)'
  dbusuint64_constant='(val##UL)'
  ;;
$ac_cv_sizeof_long_long)
  dbusint64='long long'
  dbusint64_constant='(val##LL)'
  dbusuint64_constant='(val##ULL)'
  ;;
$ac_cv_sizeof___int64)
  dbusint64=__int64
  dbusint64_constant='(val##i64)'
  dbusuint64_constant='(val##ui64)'
  ;;
esac

if test -z "$dbusint64" ; then
        DBUS_INT64_TYPE="no_int64_type_detected"
        DBUS_HAVE_INT64=0
        DBUS_INT64_CONSTANT=
        DBUS_UINT64_CONSTANT=
        AC_MSG_RESULT([none found])
else
        DBUS_INT64_TYPE="$dbusint64"
        DBUS_HAVE_INT64=1
        DBUS_INT64_CONSTANT="$dbusint64_constant"
        DBUS_UINT64_CONSTANT="$dbusuint64_constant"
        AC_MSG_RESULT($DBUS_INT64_TYPE)
fi

AC_SUBST(DBUS_INT64_TYPE)
AC_SUBST(DBUS_INT64_CONSTANT)
AC_SUBST(DBUS_UINT64_CONSTANT)
AC_SUBST(DBUS_HAVE_INT64)

## byte order
AC_C_BIGENDIAN

#### Atomic integers (checks by Sebastian Wilhelmi for GLib)
AC_MSG_CHECKING([whether to use inline assembler routines for atomic integers])
have_atomic_inc=no
if test x"$GCC" = xyes; then
  if test "x$enable_ansi" = "xyes"; then
    AC_MSG_RESULT([no])
  else
    case $host_cpu in
      i386)
        AC_MSG_RESULT([no])
        ;;
      i?86)
        AC_MSG_RESULT([i486])
        AC_DEFINE_UNQUOTED(DBUS_USE_ATOMIC_INT_486, 1, [Use atomic integer implementation for 486])
        have_atomic_inc=yes
        ;;
      *)
        AC_MSG_RESULT([no])
        ;;
    esac
  fi
fi
if test x$have_atomic_inc = xyes ; then
  AC_DEFINE_UNQUOTED(DBUS_HAVE_ATOMIC_INT, 1, [Some atomic integer implementation present])
fi

#### Various functions
AC_CHECK_LIB(socket,socket)
AC_CHECK_LIB(nsl,gethostbyname)

AC_CHECK_FUNCS(vsnprintf vasprintf nanosleep usleep poll setenv unsetenv socketpair getgrouplist)

AC_CHECK_HEADERS(execinfo.h, [AC_CHECK_FUNCS(backtrace)])

AC_CACHE_CHECK([for posix getpwnam_r],
		ac_cv_func_posix_getpwnam_r,
		[AC_TRY_RUN([
#include <errno.h>
#include <pwd.h>
int main () { 
    char buffer[10000];
    struct passwd pwd, *pwptr = &pwd;
    int error;
    errno = 0;
    error = getpwnam_r ("", &pwd, buffer, 
                        sizeof (buffer), &pwptr);
   return (error < 0 && errno == ENOSYS) 
	   || error == ENOSYS; 
}               ],
	[ac_cv_func_posix_getpwnam_r=yes],
	[ac_cv_func_posix_getpwnam_r=no])])
if test "$ac_cv_func_posix_getpwnam_r" = yes; then
	AC_DEFINE(HAVE_POSIX_GETPWNAM_R,1,
		[Have POSIX function getpwnam_r])
else
	AC_CACHE_CHECK([for nonposix getpwnam_r],
		ac_cv_func_nonposix_getpwnam_r,
		[AC_TRY_LINK([#include <pwd.h>],
                      	[char buffer[10000];
                       	struct passwd pwd;
                       	getpwnam_r ("", &pwd, buffer, 
                               		sizeof (buffer));],
			[ac_cv_func_nonposix_getpwnam_r=yes],
			[ac_cv_func_nonposix_getpwnam_r=no])])
		if test "$ac_cv_func_nonposix_getpwnam_r" = yes; then
		AC_DEFINE(HAVE_NONPOSIX_GETPWNAM_R,1,
			[Have non-POSIX function getpwnam_r])
	fi
fi

dnl check for socklen_t
AC_MSG_CHECKING(whether socklen_t is defined)
AC_TRY_COMPILE([
#include <sys/types.h>
#include <sys/socket.h>
#include <netdb.h>
],[
socklen_t foo;
foo = 1;
],dbus_have_socklen_t=yes,dbus_have_socklen_t=no)
AC_MSG_RESULT($dbus_have_socklen_t)

if test "x$dbus_have_socklen_t" = "xyes"; then
    AC_DEFINE(HAVE_SOCKLEN_T,1,[Have socklen_t type])
fi

dnl check for writev header and writev function so we're 
dnl good to go if HAVE_WRITEV gets defined.
AC_CHECK_HEADERS(sys/uio.h, [AC_CHECK_FUNCS(writev)])

dnl check for flavours of varargs macros (test from GLib)
AC_MSG_CHECKING(for ISO C99 varargs macros in C)
AC_TRY_COMPILE([],[
int a(int p1, int p2, int p3);
#define call_a(...) a(1,__VA_ARGS__)
call_a(2,3);
],dbus_have_iso_c_varargs=yes,dbus_have_iso_c_varargs=no)
AC_MSG_RESULT($dbus_have_iso_c_varargs)

AC_MSG_CHECKING(for GNUC varargs macros)
AC_TRY_COMPILE([],[
int a(int p1, int p2, int p3);
#define call_a(params...) a(1,params)
call_a(2,3);
],dbus_have_gnuc_varargs=yes,dbus_have_gnuc_varargs=no)
AC_MSG_RESULT($dbus_have_gnuc_varargs)

dnl Output varargs tests
if test x$dbus_have_iso_c_varargs = xyes; then
    AC_DEFINE(HAVE_ISO_VARARGS,1,[Have ISO C99 varargs macros])
fi
if test x$dbus_have_gnuc_varargs = xyes; then
    AC_DEFINE(HAVE_GNUC_VARARGS,1,[Have GNU-style varargs macros])
fi

dnl Check for various credentials.
AC_MSG_CHECKING(for struct cmsgcred)
AC_TRY_COMPILE([
#include <sys/types.h>
#include <sys/socket.h>
],[
struct cmsgcred cred;

cred.cmcred_pid = 0;
],dbus_have_struct_cmsgcred=yes,dbus_have_struct_cmsgcred=no)
AC_MSG_RESULT($dbus_have_struct_cmsgcred)

if test x$dbus_have_struct_cmsgcred = xyes; then
    AC_DEFINE(HAVE_CMSGCRED,1,[Have cmsgcred structure])
fi


#### Abstract sockets

AC_MSG_CHECKING(abstract socket namespace)
AC_LANG_PUSH(C)
AC_RUN_IFELSE([AC_LANG_PROGRAM(
[[
#include <sys/types.h>
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <errno.h>
]],
[[
  int listen_fd;
  struct sockaddr_un addr;
  
  listen_fd = socket (PF_UNIX, SOCK_STREAM, 0);
  
  if (listen_fd < 0)
    {
      fprintf (stderr, "socket() failed: %s\n", strerror (errno));
      exit (1);
    }

  memset (&addr, '\0', sizeof (addr));
  addr.sun_family = AF_UNIX;
  strcpy (addr.sun_path, "X/tmp/dbus-fake-socket-path-used-in-configure-test");
  addr.sun_path[0] = '\0'; /* this is what makes it abstract */
  
  if (bind (listen_fd, (struct sockaddr*) &addr, SUN_LEN (&addr)) < 0)
    {
       fprintf (stderr, "Abstract socket namespace bind() failed: %s\n", 
                strerror (errno));
       exit (1);
    }
  else 
    exit (0);
]])],
              [have_abstract_sockets=yes],
              [have_abstract_sockets=no])
AC_LANG_POP(C)
AC_MSG_RESULT($have_abstract_sockets)

if test x$enable_abstract_sockets = xyes; then
    if test x$have_abstract_sockets = xno; then
	AC_MSG_ERROR([Abstract sockets explicitly required, and support not detected.])
    fi
fi

if test x$enable_abstract_sockets = xno; then
   have_abstract_sockets=no;
fi

if test x$have_abstract_sockets = xyes ; then
   abstract_sockets=1
   DBUS_PATH_OR_ABSTRACT=abstract
else
   abstract_sockets=0
   DBUS_PATH_OR_ABSTRACT=path
fi

AC_DEFINE_UNQUOTED(HAVE_ABSTRACT_SOCKETS, $abstract_sockets, [Have abstract socket namespace])

# this is used in addresses to prefer abstract, e.g. 
# unix:path=/foo or unix:abstract=/foo 
AC_SUBST(DBUS_PATH_OR_ABSTRACT)

#### Sort out XML library

# see what we have
AC_CHECK_LIB(expat, XML_ParserCreate_MM, 
             [ AC_CHECK_HEADERS(expat.h, have_expat=true, have_expat=false) ],
             have_expat=false)

PKG_CHECK_MODULES(LIBXML, libxml-2.0, have_libxml=true, have_libxml=false)

# see what we want to use
dbus_use_libxml=false
dbus_use_expat=false
if test x$with_xml = xexpat; then
        dbus_use_expat=true
        if ! $have_expat ; then
           AC_MSG_ERROR([Explicitly requested expat but expat not found])
        fi
elif test x$with_xml = xlibxml; then
        dbus_use_libxml=true
        if ! $have_libxml ; then
           AC_MSG_ERROR([Explicitly requested libxml but libxml not found])
        fi
else
        ### expat is the default because libxml can't currently survive 
        ### our brutal OOM-handling unit test setup.
        ### http://bugzilla.gnome.org/show_bug.cgi?id=109368
        if $have_expat ; then
                with_xml=expat
                dbus_use_expat=true
        elif $have_libxml ; then
                with_xml=libxml
                dbus_use_libxml=true
        else
                AC_MSG_ERROR([No XML library found, check config.log for failed attempts])
        fi
fi

AM_CONDITIONAL(DBUS_USE_EXPAT, $dbus_use_expat)
AM_CONDITIONAL(DBUS_USE_LIBXML, $dbus_use_libxml)

if $dbus_use_expat; then
   XML_LIBS=-lexpat
   XML_CFLAGS=
fi
if $dbus_use_libxml; then
   XML_LIBS=$LIBXML_LIBS
   XML_CFLAGS=$LIBXML_CFLAGS
fi

#### Set up final flags
DBUS_CLIENT_CFLAGS=
DBUS_CLIENT_LIBS=
AC_SUBST(DBUS_CLIENT_CFLAGS)
AC_SUBST(DBUS_CLIENT_LIBS)

DBUS_BUS_CFLAGS=$XML_CFLAGS
DBUS_BUS_LIBS=$XML_LIBS
AC_SUBST(DBUS_BUS_CFLAGS)
AC_SUBST(DBUS_BUS_LIBS)

DBUS_TEST_CFLAGS=
DBUS_TEST_LIBS=
AC_SUBST(DBUS_TEST_CFLAGS)
AC_SUBST(DBUS_TEST_LIBS)

# Glib detection
PKG_CHECK_MODULES(DBUS_GLIB, gobject-2.0, have_glib=yes, have_glib=no)
PKG_CHECK_MODULES(DBUS_GLIB_THREADS, glib-2.0 gthread-2.0, have_glib_threads=yes, have_glib_threads=no)

if test x$have_glib = xno ; then
    AC_MSG_WARN([GLib development libraries not found])
fi

if test x$enable_glib = xyes; then
    if test x$have_glib = xno; then
	AC_MSG_ERROR([GLib explicitly required, and GLib development libraries not found])
    fi
fi

if test x$enable_glib = xno; then
   have_glib=no;
fi

AM_CONDITIONAL(HAVE_GLIB, test x$have_glib = xyes)
AM_CONDITIONAL(HAVE_GLIB_THREADS, test x$have_glib_threads = xyes)

dnl GLib flags
AC_SUBST(DBUS_GLIB_CFLAGS)
AC_SUBST(DBUS_GLIB_LIBS)
AC_SUBST(DBUS_GLIB_THREADS_LIBS)

DBUS_GLIB_TOOL_CFLAGS=$XML_CFLAGS
DBUS_GLIB_TOOL_LIBS=$XML_LIBS
AC_SUBST(DBUS_GLIB_TOOL_CFLAGS)
AC_SUBST(DBUS_GLIB_TOOL_LIBS)

# GTK detection
if test x$have_glib = xno ; then
    AC_MSG_WARN([Can't use GTK+ since GLib not enabled])
    have_gtk=no
else
    PKG_CHECK_MODULES(DBUS_GTK, gtk+-2.0, have_gtk=yes, have_gtk=no)
fi

if test x$have_gtk = xno ; then
    AC_MSG_WARN([GTK+ development libraries not found])
fi

if test x$enable_gtk = xyes; then
    if test x$have_gtk = xno; then
	AC_MSG_ERROR([GTK+ explicitly required, and GTK+ development libraries not found])
    fi
fi

if test x$enable_gtk = xno; then
   have_gtk=no;
fi

AM_CONDITIONAL(HAVE_GTK, test x$have_gtk = xyes)

dnl Gtk flags
AC_SUBST(DBUS_GTK_CFLAGS)
AC_SUBST(DBUS_GTK_LIBS)

# Qt detection
have_qt=no
AC_MSG_CHECKING([for qglobal.h])
if test -n "$QTDIR" -a -f "$QTDIR/include/qglobal.h"; then
    have_qt=yes
    DBUS_QT_CXXFLAGS="-I$QTDIR/include"
else
    for dir in "${prefix}/include/qt" "/usr/include/qt-3.1" "/usr/include/qt3" "/usr/include/qt" "/usr/lib/qt/include"; do
        if test -f "$dir/qglobal.h"; then
            have_qt=yes
            DBUS_QT_CXXFLAGS="-I$dir"
       fi
    done
fi
if test x"$have_qt" = x"yes"; then
   AC_MSG_RESULT([found])
else
   AC_MSG_RESULT([not found])
fi

dnl linking to kdecore will give us a bit of help from libtool
if (! kde-config >& /dev/null); then
    have_qt=no
else
    kdelibs=`kde-config --install lib --expandvars 2>/dev/null`
    if test -z $kdelibs -o ! -f $kdelibs/libkdecore.la; then
        have_qt=no
    else
        DBUS_QT_LIBS="$kdelibs/libkdecore.la"
    fi
fi

if test x$have_qt = xno ; then
    AC_MSG_WARN([Qt development libraries not found])
fi

if test x$enable_qt = xyes; then
    if test x$have_qt = xno; then
	AC_MSG_ERROR([Qt integration explicitly required, and Qt libraries not found])
    fi
fi

if test x$enable_qt = xno; then
   have_qt=no;
fi

AM_CONDITIONAL(HAVE_QT, test x$have_qt = xyes)

dnl Qt flags
AC_SUBST(DBUS_QT_CXXFLAGS)
AC_SUBST(DBUS_QT_LIBS)

### X11 detection
AC_PATH_XTRA

## for now enable_x11 just tracks have_x11, 
## there's no --enable-x11
if test x$no_x = xyes ; then
   have_x11=no
   enable_x11=no
else
   have_x11=yes
   enable_x11=yes
fi

if test x$enable_x11 = xyes ; then
   AC_DEFINE(DBUS_BUILD_X11,1,[Build X11-dependent code])
   DBUS_X_LIBS="$X_LIBS $X_PRE_LIBS -lX11 $X_EXTRA_LIBS"
   DBUS_X_CFLAGS="$X_CFLAGS"
else
   DBUS_X_LIBS=
   DBUS_X_CFLAGS=
fi

AC_SUBST(DBUS_X_CFLAGS)
AC_SUBST(DBUS_X_LIBS)

### Doxygen Documentation

AC_PATH_PROG(DOXYGEN, doxygen, no)

AC_MSG_CHECKING([whether to build Doxygen documentation])

if test x$DOXYGEN = xno ; then
    have_doxygen=no
else
    have_doxygen=yes
fi

if test x$enable_doxygen_docs = xauto ; then
    if test x$have_doxygen = xno ; then
        enable_doxygen_docs=no
    else
        enable_doxygen_docs=yes
    fi
fi

if test x$enable_doxygen_docs = xyes; then
    if test x$have_doxygen = xno; then
	AC_MSG_ERROR([Building Doxygen docs explicitly required, but Doxygen not found])
    fi
fi

AM_CONDITIONAL(DBUS_DOXYGEN_DOCS_ENABLED, test x$enable_doxygen_docs = xyes)
AC_MSG_RESULT(yes)

### XML Documentation

AC_PATH_PROG(XMLTO, xmlto, no)

AC_MSG_CHECKING([whether to build XML documentation])

if test x$XMLTO = xno ; then
    have_xmlto=no
else
    have_xmlto=yes
fi

if test x$enable_xml_docs = xauto ; then
    if test x$have_xmlto = xno ; then
        enable_xml_docs=no
    else
        enable_xml_docs=yes
    fi
fi

if test x$enable_xml_docs = xyes; then
    if test x$have_xmlto = xno; then
	AC_MSG_ERROR([Building XML docs explicitly required, but xmlto not found])
    fi
fi

AM_CONDITIONAL(DBUS_XML_DOCS_ENABLED, test x$enable_xml_docs = xyes)
AC_MSG_RESULT(yes)

#### Have to go $localstatedir->$prefix/var->/usr/local/var   
#### someone please fix this a better way...

#### find the actual value for $prefix that we'll end up with
##   (I know this is broken and should be done in the Makefile, but
##    that's a major pain and almost nobody actually seems to care)
REAL_PREFIX=
if test "x$prefix" = "xNONE"; then
  REAL_PREFIX=$ac_default_prefix
else
  REAL_PREFIX=$prefix
fi

## temporarily change prefix and exec_prefix
old_prefix=$prefix
prefix=$REAL_PREFIX

if test "x$exec_prefix" = xNONE ; then
   REAL_EXEC_PREFIX=$REAL_PREFIX
else
   REAL_EXEC_PREFIX=$exec_prefix
fi
old_exec_prefix=$exec_prefix
exec_prefix=$REAL_EXEC_PREFIX

## eval everything
LOCALSTATEDIR_TMP="$localstatedir"
EXPANDED_LOCALSTATEDIR=`eval echo $LOCALSTATEDIR_TMP`
AC_SUBST(EXPANDED_LOCALSTATEDIR)

SYSCONFDIR_TMP="$sysconfdir"
EXPANDED_SYSCONFDIR=`eval echo $SYSCONFDIR_TMP`
AC_SUBST(EXPANDED_SYSCONFDIR)

BINDIR_TMP="$bindir"
EXPANDED_BINDIR=`eval echo $BINDIR_TMP`
AC_SUBST(EXPANDED_BINDIR)

LIBDIR_TMP="$libdir"
EXPANDED_LIBDIR=`eval echo $LIBDIR_TMP`
AC_SUBST(EXPANDED_LIBDIR)

## put prefix and exec_prefix back
prefix=$old_prefix
exec_prefix=$old_exec_prefix

#### Check our operating system
operating_system=unknown
if test -f /etc/redhat-release || test -f $EXPANDED_SYSCONFDIR/redhat-release ; then
   operating_system=redhat
fi

#### Sort out init scripts

if test x$with_init_scripts = x; then
    if test xredhat = x$operating_system ; then
        with_init_scripts=redhat
    else
        with_init_scripts=none
    fi
fi

AM_CONDITIONAL(DBUS_INIT_SCRIPTS_RED_HAT, test x$with_init_scripts = xredhat)


##### Set up location for system bus socket
if ! test -z "$with_system_socket"; then
   DBUS_SYSTEM_SOCKET=$with_system_socket
else
   DBUS_SYSTEM_SOCKET=${EXPANDED_LOCALSTATEDIR}/run/dbus/system_bus_socket
fi

AC_SUBST(DBUS_SYSTEM_SOCKET)
AC_DEFINE_UNQUOTED(DBUS_SYSTEM_SOCKET,"$DBUS_SYSTEM_SOCKET",[The name of the socket the system bus listens on by default])

## system bus only listens on local domain sockets, and never 
## on an abstract socket (so only root can create the socket)
DBUS_SYSTEM_BUS_DEFAULT_ADDRESS="unix:path=$DBUS_SYSTEM_SOCKET"
AC_SUBST(DBUS_SYSTEM_BUS_DEFAULT_ADDRESS)
AC_DEFINE_UNQUOTED(DBUS_SYSTEM_BUS_DEFAULT_ADDRESS, "$DBUS_SYSTEM_BUS_DEFAULT_ADDRESS",[The default D-BUS address of the system bus])

#### Set up the pid file
if ! test -z "$with_system_pid_file"; then
   DBUS_SYSTEM_PID_FILE=$with_system_pid_file
elif test x$operating_system = xredhat ; then
   DBUS_SYSTEM_PID_FILE=${EXPANDED_LOCALSTATEDIR}/run/messagebus.pid
else
   DBUS_SYSTEM_PID_FILE=${EXPANDED_LOCALSTATEDIR}/run/dbus/pid
fi

AC_SUBST(DBUS_SYSTEM_PID_FILE)

#### Tell tests where to find certain stuff in builddir
ABSOLUTE_TOP_BUILDDIR=`cd ${ac_top_builddir}. && pwd`

AC_DEFUN(TEST_PATH, [
TEST_$1=${ABSOLUTE_TOP_BUILDDIR}/test/$2
AC_DEFINE_UNQUOTED(TEST_$1, "$TEST_$1",
                   [Full path to test file test/$2 in builddir])
AC_SUBST(TEST_$1)
])

TEST_PATH(SERVICE_DIR, data/valid-service-files)
TEST_PATH(SERVICE_BINARY, test-service)
TEST_PATH(GLIB_SERVICE_BINARY, test-service-glib)
TEST_PATH(EXIT_BINARY, test-exit)
TEST_PATH(SEGFAULT_BINARY, test-segfault)
TEST_PATH(SLEEP_FOREVER_BINARY, test-sleep-forever)

#### Find socket directories
if ! test -z "$TMPDIR" ; then
   DEFAULT_SOCKET_DIR=$TMPDIR
elif ! test -z "$TEMP" ; then
   DEFAULT_SOCKET_DIR=$TEMP
elif ! test -z "$TMP" ; then
   DEFAULT_SOCKET_DIR=$TMP
else
   DEFAULT_SOCKET_DIR=/tmp
fi

if ! test -z "$with_test_socket_dir" ; then
   TEST_SOCKET_DIR="$with_test_socket_dir"
else
   TEST_SOCKET_DIR=$DEFAULT_SOCKET_DIR
fi
AC_SUBST(TEST_SOCKET_DIR)
AC_DEFINE_UNQUOTED(DBUS_TEST_SOCKET_DIR, "$TEST_SOCKET_DIR", [Where to put test sockets])

if ! test -z "$with_session_socket_dir" ; then
   DBUS_SESSION_SOCKET_DIR="$with_session_socket_dir"
else
   DBUS_SESSION_SOCKET_DIR=$DEFAULT_SOCKET_DIR
fi
AC_DEFINE_UNQUOTED(DBUS_SESSION_SOCKET_DIR, "$DBUS_SESSION_SOCKET_DIR", [Where per-session bus puts its sockets])
AC_SUBST(DBUS_SESSION_SOCKET_DIR)

# Detect if we can build Python bindings (need python, python headers, and pyrex)
if test x$enable_python = xno; then
    have_python=no
else
    AC_MSG_NOTICE([Checking to see if we can build Python bindings])
    have_python=no
    AM_PATH_PYTHON(2.2)

    if test -z "$PYTHON" ; then
        AC_MSG_WARN([Python not found])
    else
        AC_CHECK_PROGS(PYREX, pyrexc)

        if test -z "$PYREX" ; then
            have_pyrex=no
        else
            have_pyrex=yes
        fi

        AM_CHECK_PYTHON_HEADERS(have_python_headers=yes,have_python_headers=no)

	if test x$have_pyrex = xyes -a x$have_python_headers = xyes ; then
	    have_python=yes
        fi
    fi

    if test x$have_python = xno ; then
        if test x$enable_python = xyes ; then
            AC_MSG_ERROR([Building python explicitly requested, but can't build python bindings])
        else
            AC_MSG_WARN([Couldn't find either Pyrex or the Python headers, not building Python bindings])
        fi
    fi               
fi

AM_CONDITIONAL(HAVE_PYTHON, test x$have_python = xyes)


AC_OUTPUT([
Doxyfile
dbus/dbus-arch-deps.h
bus/system.conf
bus/session.conf
bus/messagebus
bus/dbus-daemon-1.1
Makefile
dbus/Makefile
glib/Makefile
python/Makefile
qt/Makefile
gcj/Makefile
gcj/org/Makefile
gcj/org/freedesktop/Makefile
gcj/org/freedesktop/dbus/Makefile
mono/Makefile
bus/Makefile
tools/Makefile
test/Makefile
test/glib/Makefile
doc/Makefile
dbus-1.pc
dbus-glib-1.pc
test/data/valid-config-files/debug-allow-all.conf
test/data/valid-config-files/debug-allow-all-sha1.conf
test/data/valid-service-files/debug-echo.service
test/data/valid-service-files/debug-segfault.service
])

### FIXME it's bizarre that have_qt and have_glib are used
### instead of enable_ - should fix things so that enable 
### is always whether it's enabled, and have is always whether 
### it was found.

dnl ==========================================================================
echo "
                    D-BUS $VERSION
                  ==============

	prefix:                   ${prefix}
	exec_prefix:              ${exec_prefix}
        libdir:                   ${EXPANDED_LIBDIR}
        bindir:                   ${EXPANDED_BINDIR}
        sysconfdir:               ${EXPANDED_SYSCONFDIR}
        localstatedir:            ${EXPANDED_LOCALSTATEDIR}
	source code location:	  ${srcdir}
	compiler:		  ${CC}
	cflags:		          ${CFLAGS}
	cppflags:		  ${CPPFLAGS}
	cxxflags:		  ${CXXFLAGS}
	64-bit int:		  ${DBUS_INT64_TYPE}
        Doxygen:                  ${DOXYGEN}
        xmlto:                    ${XMLTO}"

if test x$enable_gcj = xyes ; then
echo \
"        gcj:            	  ${GCJ}
	gcjflags:	          ${GCJFLAGS}"
else
echo \
"        gcj:                      (not enabled)"
fi

if test x$enable_mono = xyes ; then
echo \
"        mcs:            	  ${MCS}
	mcsflags:	          ${MCSFLAGS}
"
else
echo \
"        mcs:                      (not enabled)
"
fi

echo "
        Maintainer mode:          ${USE_MAINTAINER_MODE}
        gcc coverage profiling:   ${enable_gcov}
        Building unit tests:      ${enable_tests}
        Building verbose mode:    ${enable_verbose_mode}
        Building assertions:      ${enable_asserts}
        Building checks:          ${enable_checks}
        Building Qt bindings:     ${have_qt}
        Building GLib bindings:   ${have_glib}
        Building Python bindings: ${have_python}
        Building GTK+ tools:      ${have_gtk}
        Building X11 code:        ${enable_x11}
        Building Doxygen docs:    ${enable_doxygen_docs}
        Building XML docs:        ${enable_xml_docs}
        Using XML parser:         ${with_xml}
        Init scripts style:       ${with_init_scripts}
        Abstract socket names:    ${have_abstract_sockets}
        System bus socket:        ${DBUS_SYSTEM_SOCKET}
        System bus address:       ${DBUS_SYSTEM_BUS_DEFAULT_ADDRESS}
        System bus PID file:      ${DBUS_SYSTEM_PID_FILE}
        Session bus socket dir:   ${DBUS_SESSION_SOCKET_DIR}
        'make check' socket dir:  ${TEST_SOCKET_DIR}
"

if test x$enable_tests = xyes; then
        echo "NOTE: building with unit tests increases the size of the installed library and renders it insecure."
fi
if test x$enable_tests = xyes -a x$enable_asserts = xno; then
        echo "NOTE: building with unit tests but without assertions means tests may not properly report failures (this configuration is only useful when doing something like profiling the tests)"
fi
if test x$enable_gcov = xyes; then
        echo "NOTE: building with coverage profiling is definitely for developers only."
fi
if test x$enable_verbose_mode = xyes; then
        echo "NOTE: building with verbose mode increases library size, may slightly increase security risk, and decreases performance."
fi
if test x$enable_asserts = xyes; then
        echo "NOTE: building with assertions increases library size and decreases performance."
fi
if test x$enable_checks = xno; then
        echo "NOTE: building without checks for arguments passed to public API makes it harder to debug apps using D-BUS, but will slightly decrease D-BUS library size and _very_ slightly improve performance."
fi