summaryrefslogtreecommitdiffstats
path: root/configure.ac
blob: fbdb5d1e9dbaa48f67bc38cbfb4f7dfcaaf05ebc (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
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
# -*- Autoconf -*-
# Process this file with autoconf to produce a configure script.

# This file is part of PulseAudio.
#
# Copyright 2004-2008 Lennart Poettering
# Copyright 2006-2007 Pierre Ossman <ossman@cendio.se> for Cendio AB
#
# PulseAudio is free software; you can redistribute it and/or modify it
# under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# PulseAudio is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with PulseAudio; if not, write to the Free Software Foundation,
# Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.

AC_PREREQ(2.63)

AC_INIT([pulseaudio],[m4_esyscmd(./git-version-gen .tarball-version)],[mzchyfrnhqvb (at) 0pointer (dot) net],[pulseaudio],[http://pulseaudio.org/])
AC_CONFIG_SRCDIR([src/daemon/main.c])
AC_CONFIG_MACRO_DIR([m4])
AC_CONFIG_HEADERS([config.h])
AM_INIT_AUTOMAKE([foreign 1.11 -Wall -Wno-portability silent-rules tar-pax])

m4_define(pa_major, `echo $VERSION | cut -d. -f1 | cut -d- -f1`)
m4_define(pa_minor, `echo $VERSION | cut -d. -f2 | cut -d- -f1`)

AC_SUBST(PA_MAJOR, pa_major)
AC_SUBST(PA_MINOR, pa_minor)
AC_SUBST(PA_MAJORMINOR, pa_major.pa_minor)

AC_SUBST(PA_API_VERSION, 12)
AC_SUBST(PA_PROTOCOL_VERSION, 22)

# The stable ABI for client applications, for the version info x:y:z
# always will hold y=z
AC_SUBST(LIBPULSE_VERSION_INFO, [12:3:12])

# A simplified, synchronous, ABI-stable interface for client
# applications, for the version info x:y:z always will hold y=z
AC_SUBST(LIBPULSE_SIMPLE_VERSION_INFO, [0:3:0])

# The ABI-stable network browsing interface for client applications,
# for the version info x:y:z always will hold y=z
AC_SUBST(LIBPULSE_BROWSE_VERSION_INFO, [1:1:1])

# The ABI-stable GLib adapter for client applications, for the version
# info x:y:z always will hold y=z
AC_SUBST(LIBPULSE_MAINLOOP_GLIB_VERSION_INFO, [0:4:0])

AC_CANONICAL_HOST
AC_DEFINE_UNQUOTED([CANONICAL_HOST], "$host", [Canonical host string.])

AC_CHECK_PROG([STOW], [stow], [yes], [no])

AS_IF([test "x$STOW" = "xyes" && test -d /usr/local/stow], [
    AC_MSG_NOTICE([*** Found /usr/local/stow: default install prefix set to /usr/local/stow/${PACKAGE_NAME}-${PACKAGE_VERSION} ***])
    ac_default_prefix="/usr/local/stow/${PACKAGE_NAME}-${PACKAGE_VERSION}"
])

AM_SILENT_RULES([yes])


#### Checks for programs. ####

# mkdir -p

AC_PROG_MKDIR_P

# CC

AC_PROG_CC
AC_PROG_CC_C99
AM_PROG_CC_C_O
AC_PROG_GCC_TRADITIONAL
AC_USE_SYSTEM_EXTENSIONS

# M4

AC_CHECK_PROGS([M4], gm4 m4, no)
AS_IF([test "x$M4" = "xno"], AC_MSG_ERROR([m4 missing]))

# pkg-config

PKG_PROG_PKG_CONFIG

# gettext

IT_PROG_INTLTOOL([0.35.0])
GETTEXT_PACKAGE=pulseaudio
AC_SUBST([GETTEXT_PACKAGE])
AC_DEFINE_UNQUOTED([GETTEXT_PACKAGE],["$GETTEXT_PACKAGE"],[Gettext package])
AM_GLIB_GNU_GETTEXT

pulselocaledir='${prefix}/${DATADIRNAME}/locale'
AC_SUBST(pulselocaledir)


#### Determine host OS ####

os_is_linux=0
os_is_win32=0
os_is_darwin=0

AC_MSG_CHECKING([host operating system])
case "$host_os" in
    linux*)
        AC_MSG_RESULT([linux])
        os_is_linux=1
    ;;
    darwin*)
        AC_MSG_RESULT([darwin])
        os_is_darwin=1
        AC_DEFINE([OS_IS_DARWIN], 1, [Build target is Darwin.])
    ;;
    mingw*)
        AC_MSG_RESULT([win32])
        os_is_win32=1
        AC_DEFINE([OS_IS_WIN32], 1, [Build target is Windows.])
    ;;
    *)
        AC_MSG_RESULT([unknown])
    ;;
esac

AM_CONDITIONAL(OS_IS_DARWIN, test "x$os_is_darwin" = "x1")
AM_CONDITIONAL(OS_IS_WIN32, test "x$os_is_win32" = "x1")

# Platform specific hacks
case "$host_os" in
    darwin* )
        AC_DEFINE([_DARWIN_C_SOURCE], [200112L], [Needed to get NSIG on Mac OS X])
    ;;
    mingw* )
        AC_DEFINE([WIN32_LEAN_AND_MEAN], 1, [Needed to avoid including unnecessary headers on Windows])
    ;;
    solaris* )
        AC_DEFINE(_XOPEN_SOURCE,       600, [Needed to get declarations for msg_control and msg_controllen on Solaris])
        AC_DEFINE(__EXTENSIONS__,        1, [Needed to get declarations for msg_control and msg_controllen on Solaris])
    ;;
esac


#### Flags ####

dnl Compiler flags

# Some compilers (e.g. clang) default to a warning on an unkown command line option.
# Change that temporarily to an error, for the CC_CHECK_CFLAGS_APPEND macro to work.
save_CC="$CC"
CC="$CC -Werror"
CC_CHECK_CFLAGS_APPEND([-Wall -W -Wextra -pipe -Wno-long-long -Wvla -Wno-overlength-strings -Wunsafe-loop-optimizations -Wundef -Wformat=2 -Wlogical-op -Wsign-compare -Wformat-security -Wmissing-include-dirs -Wformat-nonliteral -Wold-style-definition -Wpointer-arith -Winit-self -Wdeclaration-after-statement -Wfloat-equal -Wmissing-prototypes -Wstrict-prototypes -Wredundant-decls -Wmissing-declarations -Wmissing-noreturn -Wshadow -Wendif-labels -Wcast-align -Wstrict-aliasing -Wwrite-strings -Wno-unused-parameter -ffast-math -Wp,-D_FORTIFY_SOURCE=2 -fno-common -fdiagnostics-show-option])
CC="$save_CC"

dnl Linker flags.
dnl Check whether the linker supports the -version-script option.

dnl This variable is used to make sure ${srcdir} is expanded and not
dnl passed to the CC_CHECK_LDFLAGS macro as a name.
tmp_ldflag="-Wl,-version-script=${srcdir}/src/map-file"

CC_CHECK_LDFLAGS([${tmp_ldflag}],
    [VERSIONING_LDFLAGS='-Wl,-version-script=$(srcdir)/map-file'])
AC_SUBST([VERSIONING_LDFLAGS])

dnl Use immediate (now) bindings; avoids the funky re-call in itself
dnl  the -z now syntax is lifted from Sun's linker and works with GNU's too
dnl  other linkes might be added later
CC_CHECK_LDFLAGS([-Wl,-z,now], [IMMEDIATE_LDFLAGS="-Wl,-z,now"])
AC_SUBST([IMMEDIATE_LDFLAGS])

dnl On ELF systems we don't want the libraries to be unloaded since we
dnl don't clean them up properly, so we request the nodelete flag to be
dnl enabled.
dnl
dnl On other systems, we don't really know how to do that, but it's
dnl welcome if somebody can tell.
CC_CHECK_LDFLAGS([-Wl,-z,nodelete], [NODELETE_LDFLAGS="-Wl,-z,nodelete"])
AC_SUBST([NODELETE_LDFLAGS])

dnl Check for the proper way to build libraries that have no undefined
dnl symbols; on some hosts this needs to be avoided but the macro
dnl takes care of it.
CC_NOUNDEFINED

dnl Check whether to build tests by default (as compile-test) or not
AC_ARG_ENABLE([default-build-tests],
    AS_HELP_STRING([--disable-default-build-tests], [Build test programs only during make check]))

AM_CONDITIONAL([BUILD_TESTS_DEFAULT], [test "x$enable_default_build_tests" != "xno"])


#### Atomic operations ####

# Native atomic operation support
AC_ARG_ENABLE([atomic-arm-linux-helpers],
    AS_HELP_STRING([--disable-atomic-arm-linux-helpers],[use inline asm or libatomic_ops instead]))

AC_ARG_ENABLE([atomic-arm-memory-barrier],
    AS_HELP_STRING([--enable-atomic-arm-memory-barrier],[only really needed in SMP arm systems]))

if test "x$enable_atomic_arm_memory_barrier" = "xyes"; then
    AC_DEFINE_UNQUOTED(ATOMIC_ARM_MEMORY_BARRIER_ENABLED, 1, [Enable memory barriers])
fi

# If everything else fails use libatomic_ops
need_libatomic_ops=yes

AC_CACHE_CHECK([whether $CC knows __sync_bool_compare_and_swap()],
    pulseaudio_cv_sync_bool_compare_and_swap, [
    AC_LINK_IFELSE(
        AC_LANG_PROGRAM([], [[int a = 4; __sync_bool_compare_and_swap(&a, 4, 5);]]),
        [pulseaudio_cv_sync_bool_compare_and_swap=yes],
        [pulseaudio_cv_sync_bool_compare_and_swap=no])
    ])

if test "$pulseaudio_cv_sync_bool_compare_and_swap" = "yes" ; then
    AC_DEFINE([HAVE_ATOMIC_BUILTINS], 1, [Have __sync_bool_compare_and_swap() and friends.])
    need_libatomic_ops=no
else
    # HW specific atomic ops stuff
    AC_MSG_CHECKING([architecture for native atomic operations])
    case $host in
        arm*)
            AC_MSG_RESULT([arm])
            AC_MSG_CHECKING([whether we can use Linux kernel helpers])
            # The Linux kernel helper functions have been there since 2.6.16. However
            # compile time checking for kernel version in cross compile environment
            # (which is usually the case for arm cpu) is tricky (or impossible).
            if test "x$os_is_linux" = "x1" && test "x$enable_atomic_arm_linux_helpers" != "xno"; then
                AC_MSG_RESULT([yes])
                AC_DEFINE_UNQUOTED(ATOMIC_ARM_LINUX_HELPERS, 1, [special arm linux implementation])
                need_libatomic_ops=no
            else
                AC_MSG_RESULT([no])
                AC_CACHE_CHECK([compiler support for arm inline asm atomic operations],
                    pulseaudio_cv_support_arm_atomic_ops, [
                    AC_COMPILE_IFELSE(
                        AC_LANG_PROGRAM([], [[
                            volatile int a=0;
                            int o=0, n=1, r;
                            asm volatile ("ldrex    %0, [%1]\n"
                                          "subs  %0, %0, %2\n"
                                          "strexeq %0, %3, [%1]\n"
                                          : "=&r" (r)
                                          : "r" (&a), "Ir" (o), "r" (n)
                                          : "cc");
                            return (a==1 ? 0 : -1);
                        ]]),
                        [pulseaudio_cv_support_arm_atomic_ops=yes],
                        [pulseaudio_cv_support_arm_atomic_ops=no])
                ])
                AS_IF([test "$pulseaudio_cv_support_arm_atomic_ops" = "yes"], [
                    AC_DEFINE([ATOMIC_ARM_INLINE_ASM], 1, [Have ARM atomic instructions.])
                    need_libatomic_ops=no
                ])
            fi
        ;;
        *-netbsdelf5*)
            AC_MSG_RESULT([yes])
            need_libatomic_ops=no
        ;;
        *-freebsd*)
            AC_MSG_RESULT([yes])
            need_libatomic_ops=no
        ;;
        *)
            AC_MSG_RESULT([unknown])
        ;;
    esac
fi

# If we're on ARM, check for the ARMV6 instructions we need */
case $host in
  arm*)
    AC_CACHE_CHECK([support for required armv6 instructions],
      pulseaudio_cv_support_armv6,
      [AC_COMPILE_IFELSE(
         AC_LANG_PROGRAM([],
           [[volatile int a = -60000, b = 0xaaaabbbb, c = 0xccccdddd;
             asm volatile ("ldr r0, %2 \n"
                           "ldr r2, %3 \n"
                           "ldr r3, %4 \n"
                           "ssat r1, #8, r0 \n"
                           "str r1, %0 \n"
                           "pkhbt r1, r3, r2, LSL #8 \n"
                           "str r1, %1 \n"
                           : "=m" (a), "=m" (b)
                           : "m" (a), "m" (b), "m" (c)
                           : "r0", "r1", "r2", "r3", "cc");
             return (a == -128 && b == 0xaabbdddd) ? 0 : -1;
           ]]),
         [pulseaudio_cv_support_armv6=yes],
         [pulseaudio_cv_support_armv6=no])
      ])
    AS_IF([test "$pulseaudio_cv_support_armv6" = "yes"], [
        AC_DEFINE([HAVE_ARMV6], 1, [Have ARMv6 instructions.])
      ])
  ;;
  *)
  ;;
esac


#### libtool stuff ####

LT_PREREQ(2.2)
LT_INIT([dlopen win32-dll disable-static])

dnl Unfortunately, even up to libtool 2.2.6a there is no way to know
dnl exactly which version of libltdl is present in the system, so we
dnl just assume that it's a working version as long as we have the
dnl library and the header files.
dnl
dnl As an extra safety device, check for lt_dladvise_init() which is
dnl only implemented in libtool 2.x, and refine as we go if we have
dnl refined requirements.
dnl
dnl Check the header files first since the system may have a
dnl libltdl.so for runtime, but no headers, and we want to bail out as
dnl soon as possible.
dnl
dnl We don't need any special variable for this though, since the user
dnl can give the proper place to find libltdl through the standard
dnl variables like LDFLAGS and CPPFLAGS.

AC_CHECK_HEADER([ltdl.h],
    [AC_CHECK_LIB([ltdl], [lt_dladvise_init], [LIBLTDL=-lltdl], [LIBLTDL=])],
    [LIBLTDL=])

AS_IF([test "x$LIBLTDL" = "x"],
    [AC_MSG_ERROR([Unable to find libltdl version 2. Makes sure you have libtool 2.2 or later installed.])])
AC_SUBST([LIBLTDL])


###################################
#   Basic environment checks      #
###################################

#### Checks for header files. ####

# ISO
AC_HEADER_STDC

# POSIX
AC_CHECK_HEADERS_ONCE([arpa/inet.h glob.h grp.h netdb.h netinet/in.h \
    netinet/in_systm.h netinet/tcp.h poll.h pwd.h sched.h \
    sys/mman.h sys/resource.h sys/select.h sys/socket.h sys/wait.h \
    sys/uio.h syslog.h sys/dl.h dlfcn.h linux/sockios.h])
AC_CHECK_HEADERS([netinet/ip.h], [], [],
                 [#include <sys/types.h>
                  #if HAVE_NETINET_IN_H
                  # include <netinet/in.h>
                  #endif
                  #if HAVE_NETINET_IN_SYSTM_H
                  # include <netinet/in_systm.h>
                  #endif
                 ])
AC_CHECK_HEADERS([sys/un.h], [HAVE_AF_UNIX=1], [HAVE_AF_UNIX=0])
AM_CONDITIONAL(HAVE_AF_UNIX, test "x$HAVE_AF_UNIX" = "x1")

# Linux
AC_CHECK_HEADERS([linux/input.h], [HAVE_EVDEV=1], [HAVE_EVDEV=0])
AM_CONDITIONAL([HAVE_EVDEV], [test "x$HAVE_EVDEV" = "x1"])

AC_CHECK_HEADERS_ONCE([sys/prctl.h])

# Solaris
AC_CHECK_HEADERS_ONCE([sys/filio.h])

# Windows
AC_CHECK_HEADERS_ONCE([windows.h winsock2.h ws2tcpip.h])

# NetBSD
AC_CHECK_HEADERS_ONCE([sys/atomic.h])

# Other
AC_CHECK_HEADERS_ONCE([sys/ioctl.h])
AC_CHECK_HEADERS_ONCE([byteswap.h])
AC_CHECK_HEADERS_ONCE([sys/syscall.h])
AC_CHECK_HEADERS_ONCE([sys/eventfd.h])
AC_CHECK_HEADERS_ONCE([execinfo.h])
AC_CHECK_HEADERS_ONCE([langinfo.h])
AC_CHECK_HEADERS_ONCE([regex.h pcreposix.h])


#### Typdefs, structures, etc. ####

AC_C_CONST
AC_C_BIGENDIAN
AC_TYPE_PID_T
AC_TYPE_SIZE_T
AC_CHECK_TYPES(ssize_t, , AC_DEFINE([ssize_t], [signed long], [Define ssize_t if it is not done by the standard libs.]))
AC_TYPE_OFF_T

AC_TYPE_UID_T
AC_CHECK_DECLS(environ)

# SIGXCPU
AX_CHECK_DEFINE([signal.h], [SIGXCPU], [HAVE_SIGXCPU=1], [HAVE_SIGXCPU=0])
AS_IF([test "x$HAVE_SIGXCPU" = "x1"], AC_DEFINE([HAVE_SIGXCPU], 1, [Have SIGXCPU?]))
AM_CONDITIONAL(HAVE_SIGXCPU, test "x$HAVE_SIGXCPU" = "x1")

# INADDR_NONE, Solaris lacks this
AX_CHECK_DEFINE([netinet/in.h], [INADDR_NONE], [],
    [AX_CHECK_DEFINE([winsock2.h], [INADDR_NONE], [],
        [AC_DEFINE([INADDR_NONE],  [0xffffffff], [Define INADDR_NONE if not found in <netinet/in.h>])])])


# _Bool
AC_CACHE_CHECK([whether $CC knows _Bool],
    pulseaudio_cv__Bool,
    [AC_COMPILE_IFELSE(
        AC_LANG_PROGRAM([], [[_Bool b;]]),
        [pulseaudio_cv__Bool=yes],
        [pulseaudio_cv__Bool=no])
    ])

AS_IF([test "$pulseaudio_cv__Bool" = "yes"], AC_DEFINE([HAVE_STD_BOOL], 1, [Have _Bool.]))


#### Thread support ####

AX_TLS
AS_IF([test "$ac_cv_tls" == "__thread"],
    AC_DEFINE([SUPPORT_TLS___THREAD], 1, [Define this if the compiler supports __thread for Thread-Local Storage]))

# Win32 build breaks with win32 pthread installed
AS_IF([test "x$os_is_win32" != "x1"],
  [AX_PTHREAD])


#### Check for libs ####

# ISO
AC_SEARCH_LIBS([pow], [m])

# POSIX
AC_SEARCH_LIBS([sched_setscheduler], [rt])
AC_SEARCH_LIBS([dlopen], [dl])
AC_SEARCH_LIBS([shm_open], [rt])
AC_SEARCH_LIBS([inet_ntop], [nsl])
AC_SEARCH_LIBS([timer_create], [rt])
AC_SEARCH_LIBS([pthread_setaffinity_np], [pthread])
AC_SEARCH_LIBS([pthread_getname_np], [pthread])
AC_SEARCH_LIBS([pthread_setname_np], [pthread])

# BSD
AC_SEARCH_LIBS([connect], [socket])
AC_SEARCH_LIBS([backtrace], [execinfo])

# Darwin/OS X
if test "x$os_is_darwin" = "x1" ; then
    AC_MSG_CHECKING([looking for Apple CoreService Framework])
    # How do I check a framework "library" - AC_CHECK_LIB prob. won't work??, just assign LIBS & hope
    AC_CHECK_HEADER([/Developer/Headers/FlatCarbon/CoreServices.h],
        [LIBS="$LIBS -framework CoreServices"],
        [AC_MSG_ERROR([CoreServices.h header file not found])]
    )

    AC_MSG_RESULT([ok])
    AC_DEFINE([HAVE_CLOCK_GETTIME], 1, [Using clock_gettime() replacement])
    HAVE_BONJOUR=1
fi

AM_CONDITIONAL([HAVE_BONJOUR], [test "x$HAVE_BONJOUR" = x1])

# Windows
AC_SEARCH_LIBS([regexec], [pcreposix])
# This magic is needed so we do not needlessly add static libs to the win32  build, disabling its ability to make dlls.
AC_CHECK_FUNCS([getopt_long], [], [AC_CHECK_LIB([iberty], [getopt_long])])


#### Check for functions ####

# ISO
AC_CHECK_FUNCS_ONCE([lrintf strtof])

# POSIX
AC_FUNC_FORK
AC_FUNC_GETGROUPS
AC_FUNC_SELECT_ARGTYPES
AC_CHECK_FUNCS_ONCE([chmod chown fstat fchown fchmod clock_gettime getaddrinfo getgrgid_r getgrnam_r \
    getpwnam_r getpwuid_r gettimeofday getuid mlock nanosleep \
    pipe posix_fadvise posix_madvise posix_memalign setpgid setsid shm_open \
    sigaction sleep symlink sysconf uname pthread_setaffinity_np pthread_getname_np pthread_setname_np])
AC_CHECK_FUNCS([mkfifo], [HAVE_MKFIFO=1], [HAVE_MKFIFO=0])

AM_CONDITIONAL(HAVE_MKFIFO, test "x$HAVE_MKFIFO" = "x1")

# X/OPEN
AC_CHECK_FUNCS_ONCE([readlink])

# SUSv2
AC_CHECK_FUNCS_ONCE([ctime_r usleep])

# SUSv3
AC_CHECK_FUNCS_ONCE([strerror_r])

# BSD
AC_CHECK_FUNCS_ONCE([lstat])

# Non-standard
AC_CHECK_FUNCS_ONCE([setresuid setresgid setreuid setregid seteuid setegid ppoll strsignal sig2str strtof_l pipe2 accept4])

AC_FUNC_ALLOCA

AC_CHECK_FUNCS([regexec], [HAVE_REGEX=1], [HAVE_REGEX=0])
AM_CONDITIONAL(HAVE_REGEX, [test "x$HAVE_REGEX" = "x1"])

# Large File-Support (LFS)
AC_SYS_LARGEFILE
# Check for open64 to know if the current system does have open64() and similar functions
AC_CHECK_FUNCS_ONCE([open64])


###################################
#      External libraries         #
###################################

#### [lib]iconv ####

AM_ICONV

#### X11 (optional) ####

AC_ARG_ENABLE([x11],
    AS_HELP_STRING([--disable-x11],[Disable optional X11 support]))

AS_IF([test "x$enable_x11" != "xno"],
    [PKG_CHECK_MODULES(X11, [ x11-xcb xcb >= 1.6 ice sm xtst ], HAVE_X11=1, HAVE_X11=0)],
    HAVE_X11=0)

AS_IF([test "x$enable_x11" = "xyes" && test "x$HAVE_X11" = "x0"],
    [AC_MSG_ERROR([*** X11 not found])])

AC_SUBST(X11_CFLAGS)
AC_SUBST(X11_LIBS)
AM_CONDITIONAL([HAVE_X11], [test "x$HAVE_X11" = x1])
AS_IF([test "x$HAVE_X11" = "x1"], AC_DEFINE([HAVE_X11], 1, [Have X11?]))

#### Capabilities (optional) ####

CAP_LIBS=''

AC_ARG_WITH([caps],
    AS_HELP_STRING([--without-caps],[Omit support for POSIX capabilities.]))

if test "x${with_caps}" != "xno"; then
    AC_SEARCH_LIBS([cap_init], [cap], [], [
                    if test "x${with_caps}" = "xyes" ; then
                        AC_MSG_ERROR([*** POSIX caps libraries not found])
                    fi])
    AC_CHECK_HEADERS([sys/capability.h], [], [
                    if test "x${with_caps}" = "xyes" ; then
                        AC_MSG_ERROR([*** POSIX caps headers not found])
                    fi])
fi

#### Valgrind (optional) ####

AC_CHECK_HEADERS_ONCE([valgrind/memcheck.h])

#### json parsing ####

PKG_CHECK_MODULES(LIBJSON, [ json >= 0.9 ])
AC_SUBST(LIBJSON_CFLAGS)
AC_SUBST(LIBJSON_LIBS)

#### Sound file ####

PKG_CHECK_MODULES(LIBSNDFILE, [ sndfile >= 1.0.20 ])
AC_SUBST(LIBSNDFILE_CFLAGS)
AC_SUBST(LIBSNDFILE_LIBS)

PKG_CHECK_MODULES(LIBSPEEX, [ speexdsp >= 1.2 ])
AC_SUBST(LIBSPEEX_CFLAGS)
AC_SUBST(LIBSPEEX_LIBS)

#### atomic-ops ####

AC_MSG_CHECKING([whether we need libatomic_ops])
if test "x$need_libatomic_ops" = "xyes"; then
    AC_MSG_RESULT([yes])
    AC_CHECK_HEADERS([atomic_ops.h], [], [
    AC_MSG_ERROR([*** libatomic-ops headers not found])
    ])

    # Win32 does not need the lib and breaks horribly if we try to include it
    AS_IF([test "x$os_is_win32" != "x1"], [LIBS="$LIBS -latomic_ops"])
else
    AC_MSG_RESULT([no])
fi

#### Libsamplerate support (optional) ####

AC_ARG_ENABLE([samplerate],
    AS_HELP_STRING([--disable-samplerate],[Disable optional libsamplerate support]))

AS_IF([test "x$enable_samplerate" != "xno"],
    [PKG_CHECK_MODULES(LIBSAMPLERATE, [ samplerate >= 0.1.0 ], HAVE_LIBSAMPLERATE=1, HAVE_LIBSAMPLERATE=0)],
    HAVE_LIBSAMPLERATE=0)

AS_IF([test "x$enable_samplerate" = "xyes" && test "x$HAVE_LIBSAMPLERATE" = "x0"],
    [AC_MSG_ERROR([*** Libsamplerate not found])])

AC_SUBST(LIBSAMPLERATE_CFLAGS)
AC_SUBST(LIBSAMPLERATE_LIBS)
AM_CONDITIONAL([HAVE_LIBSAMPLERATE], [test "x$HAVE_LIBSAMPLERATE" = x1])
AS_IF([test "x$HAVE_LIBSAMPLERATE" = "x1"], AC_DEFINE([HAVE_LIBSAMPLERATE], 1, [Have libsamplerate?]))

#### Database support ####

AC_ARG_WITH([database],
    AS_HELP_STRING([--with-database=auto|tdb|gdbm|simple],[Choose database backend.]),[],[with_database=auto])


AS_IF([test "x$with_database" = "xauto" -o "x$with_database" = "xtdb"],
    [PKG_CHECK_MODULES(TDB, [ tdb ], HAVE_TDB=1, HAVE_TDB=0)],
    HAVE_TDB=0)
AS_IF([test "x$HAVE_TDB" = "x1"], with_database=tdb)

AS_IF([test "x$with_database" = "xtdb" && test "x$HAVE_TDB" = "x0"],
    [AC_MSG_ERROR([*** tdb not found])])


AS_IF([test "x$with_database" = "xauto" -o "x$with_database" = "xgdbm"],
    [
        HAVE_GDBM=1
        AC_CHECK_LIB(gdbm, gdbm_open, [], HAVE_GDBM=0)
        AC_CHECK_HEADERS(gdbm.h, [], HAVE_GDBM=0)
    ],
    HAVE_GDBM=0)
AS_IF([test "x$HAVE_GDBM" = "x1"],
    [
        with_database=gdbm
        GDBM_CFLAGS=
        GDBM_LIBS=-lgdbm
    ])

AS_IF([test "x$with_database" = "xgdbm" && test "x$HAVE_GDBM" = "x0"],
    [AC_MSG_ERROR([*** gdbm not found])])


AS_IF([test "x$with_database" = "xauto" -o "x$with_database" = "xsimple"],
    HAVE_SIMPLEDB=1,
    HAVE_SIMPLEDB=0)
AS_IF([test "x$HAVE_SIMPLEDB" = "x1"], with_database=simple)

AS_IF([test "x$HAVE_TDB" != x1 -a "x$HAVE_GDBM" != x1 -a "x$HAVE_SIMPLEDB" != x1],
    AC_MSG_ERROR([*** missing database backend]))


AC_SUBST(TDB_CFLAGS)
AC_SUBST(TDB_LIBS)
AM_CONDITIONAL([HAVE_TDB], [test "x$HAVE_TDB" = x1])
AS_IF([test "x$HAVE_TDB" = "x1"], AC_DEFINE([HAVE_TDB], 1, [Have tdb?]))

AC_SUBST(GDBM_CFLAGS)
AC_SUBST(GDBM_LIBS)
AM_CONDITIONAL([HAVE_GDBM], [test "x$HAVE_GDBM" = x1])
AS_IF([test "x$HAVE_GDBM" = "x1"], AC_DEFINE([HAVE_GDBM], 1, [Have gdbm?]))

AM_CONDITIONAL([HAVE_SIMPLEDB], [test "x$HAVE_SIMPLEDB" = x1])
AS_IF([test "x$HAVE_SIMPLEDB" = "x1"], AC_DEFINE([HAVE_SIMPLEDB], 1, [Have simple?]))

#### OSS support (optional) ####

AC_ARG_ENABLE([oss-output],
    AS_HELP_STRING([--disable-oss-output],[Disable optional OSS output support]))

AC_ARG_ENABLE([oss-wrapper],
    AS_HELP_STRING([--disable-oss-wrapper],[Disable optional OSS wrapper support]))

AS_IF([test "x$enable_oss_output" != "xno" -o "x$enable_oss_wrapper" != "xno"],
    [AC_CHECK_HEADERS([sys/soundcard.h], HAVE_OSS=1, HAVE_OSS=0)],
    HAVE_OSS=0)

AS_IF([test "x$enable_oss_output" = "xyes" -o "x$enable_oss_wrapper" = "xyes" && test "x$HAVE_OSS" = "x0"],
    [AC_MSG_ERROR([*** OSS support not found])])

AS_IF([test "x$enable_oss_output" != "xno"],
    [AS_IF([test "x$HAVE_OSS" = "x1"], HAVE_OSS_OUTPUT=1, HAVE_OSS_OUTPUT=0)],
    HAVE_OSS_OUTPUT=0)

AS_IF([test "x$enable_oss_wrapper" != "xno"],
    [AS_IF([test "x$HAVE_OSS" = "x1"], HAVE_OSS_WRAPPER=1, HAVE_OSS_WRAPPER=0)],
    HAVE_OSS_WRAPPER=0)

AM_CONDITIONAL([HAVE_OSS_OUTPUT], [test "x$HAVE_OSS_OUTPUT" = "x1"])
AM_CONDITIONAL([HAVE_OSS_WRAPPER], [test "x$HAVE_OSS_WRAPPER" = "x1"])
AS_IF([test "x$HAVE_OSS_OUTPUT" = "x1"], AC_DEFINE([HAVE_OSS_OUTPUT], 1, [Have OSS output?]))
AS_IF([test "x$HAVE_OSS_WRAPPER" = "x1"], AC_DEFINE([HAVE_OSS_WRAPPER], 1, [Have OSS wrapper (padsp)?]))

#### CoreAudio support (optional) ####

AC_ARG_ENABLE([coreaudio-output],
    AS_HELP_STRING([--disable-coreaudio-output],[Disable optional CoreAudio output support]))

AS_IF([test "x$enable_coreaudio_output" != "xno"],
    [AC_CHECK_HEADERS([CoreAudio/CoreAudio.h], HAVE_COREAUDIO=1, HAVE_COREAUDIO=0)],
    HAVE_COREAUDIO=0)

AS_IF([test "x$enable_coreaudio_output" = "xyes" && test "x$HAVE_COREAUDIO" = "x0"],
    [AC_MSG_ERROR([*** CoreAudio output support not found])])

AM_CONDITIONAL([HAVE_COREAUDIO], [test "x$HAVE_COREAUDIO" = "x1" && test "x$enable_coreaudio_output" != "xno"])

#### ALSA support (optional) ####

AC_ARG_ENABLE([alsa],
    AS_HELP_STRING([--disable-alsa],[Disable optional ALSA support]))

AS_IF([test "x$enable_alsa" != "xno"],
    [PKG_CHECK_MODULES(ASOUNDLIB, [ alsa >= 1.0.19 ], HAVE_ALSA=1, HAVE_ALSA=0)],
    HAVE_ALSA=0)

AS_IF([test "x$enable_alsa" = "xyes" && test "x$HAVE_ALSA" = "x0"],
    [AC_MSG_ERROR([*** Needed alsa >= 1.0.19 support not found])])

AC_SUBST(ASOUNDLIB_CFLAGS)
AC_SUBST(ASOUNDLIB_LIBS)
AM_CONDITIONAL([HAVE_ALSA], [test "x$HAVE_ALSA" = x1])
AS_IF([test "x$HAVE_ALSA" = "x1"], AC_DEFINE([HAVE_ALSA], 1, [Have ALSA?]))

#### Solaris audio support (optional) ####

AC_ARG_ENABLE([solaris],
    AS_HELP_STRING([--disable-solaris],[Disable optional Solaris audio support]))

AS_IF([test "x$enable_solaris" != "xno"],
    [AC_CHECK_HEADERS([sys/audio.h], HAVE_SOLARIS=1, HAVE_SOLARIS=0)],
    HAVE_SOLARIS=0)

AS_IF([test "x$enable_solaris" = "xyes" && test "x$HAVE_SOLARIS" = "x0"],
    [AC_MSG_ERROR([*** Solaris audio support not found])])

AM_CONDITIONAL([HAVE_SOLARIS], [test "x$HAVE_SOLARIS" = x1])
AS_IF([test "x$HAVE_SOLARIS" = "x1"], AC_DEFINE([HAVE_SOLARIS], 1, [Have Solaris audio?]))

#### WaveOut audio support (optional) ####

AC_ARG_ENABLE([waveout],
    AS_HELP_STRING([--disable-waveout],[Disable optional WaveOut audio support]))

AS_IF([test "x$enable_waveout" != "xno"],
    [AC_CHECK_HEADERS([mmsystem.h], HAVE_WAVEOUT=1, HAVE_WAVEOUT=0, [#include <windows.h>])],
    HAVE_WAVEOUT=0)

AS_IF([test "x$enable_waveout" = "xyes" && test "x$HAVE_WAVEOUT" = "x0"],
    [AC_MSG_ERROR([*** WaveOut audio support not found])])

AM_CONDITIONAL([HAVE_WAVEOUT], [test "x$HAVE_WAVEOUT" = x1])
AS_IF([test "x$HAVE_WAVEOUT" = "x1"], AC_DEFINE([HAVE_WAVEOUT], 1, [Have WaveOut audio?]))

#### GLib 2 support (optional) ####

AC_ARG_ENABLE([glib2],
    AS_HELP_STRING([--disable-glib2],[Disable optional GLib 2 support]))

AS_IF([test "x$enable_glib2" != "xno"],
    [PKG_CHECK_MODULES(GLIB20, [ glib-2.0 >= 2.4.0 ], HAVE_GLIB20=1, HAVE_GLIB20=0)],
    HAVE_GLIB20=0)

AS_IF([test "x$enable_glib2" = "xyes" && test "x$HAVE_GLIB20" = "x0"],
    [AC_MSG_ERROR([*** GLib 2 support not found])])

AC_SUBST(GLIB20_CFLAGS)
AC_SUBST(GLIB20_LIBS)
AM_CONDITIONAL([HAVE_GLIB20], [test "x$HAVE_GLIB20" = x1])
AS_IF([test "x$HAVE_GLIB20" = "x1"], AC_DEFINE([HAVE_GLIB], 1, [Have GLIB?]))

#### GTK2 support (optional) ####

AC_ARG_ENABLE([gtk2],
    AS_HELP_STRING([--disable-gtk2],[Disable optional Gtk+ 2 support]))

AS_IF([test "x$enable_gtk2" != "xno"],
    [PKG_CHECK_MODULES(GTK20, [ gtk+-2.0 >= 2.4.0 ], HAVE_GTK20=1, HAVE_GTK20=0)],
    HAVE_GTK20=0)

AS_IF([test "x$enable_gtk2" = "xyes" && test "x$HAVE_GTK20" = "x0"],
    [AC_MSG_ERROR([*** Gtk+ 2 support not found])])

AC_SUBST(GTK20_CFLAGS)
AC_SUBST(GTK20_LIBS)
AM_CONDITIONAL([HAVE_GTK20], [test "x$HAVE_GTK20" = x1])
AS_IF([test "x$HAVE_GTK20" = "x1"], AC_DEFINE([HAVE_GTK], 1, [Have GTK?]))

#### GConf support (optional) ####

AC_ARG_ENABLE([gconf],
    AS_HELP_STRING([--disable-gconf],[Disable optional GConf support]))

AS_IF([test "x$enable_gconf" != "xno"],
    [PKG_CHECK_MODULES(GCONF, [ gconf-2.0 >= 2.4.0 gobject-2.0 ], HAVE_GCONF=1, HAVE_GCONF=0)],
    HAVE_GCONF=0)

AS_IF([test "x$enable_gconf" = "xyes" && test "x$HAVE_GCONF" = "x0"],
    [AC_MSG_ERROR([*** GConf support not found])])

AC_SUBST(GCONF_CFLAGS)
AC_SUBST(GCONF_LIBS)
AM_CONDITIONAL([HAVE_GCONF], [test "x$HAVE_GCONF" = x1])

#### Avahi support (optional) ####

AC_ARG_ENABLE([avahi],
    AS_HELP_STRING([--disable-avahi],[Disable optional Avahi support]))

AS_IF([test "x$enable_avahi" != "xno"],
    [PKG_CHECK_MODULES(AVAHI, [ avahi-client >= 0.6.0 ], HAVE_AVAHI=1, HAVE_AVAHI=0)],
    HAVE_AVAHI=0)

AS_IF([test "x$enable_avahi" = "xyes" && test "x$HAVE_AVAHI" = "x0"],
    [AC_MSG_ERROR([*** Avahi support not found])])

AC_SUBST(AVAHI_CFLAGS)
AC_SUBST(AVAHI_LIBS)
AM_CONDITIONAL([HAVE_AVAHI], [test "x$HAVE_AVAHI" = x1])

#### JACK (optional) ####

AC_ARG_ENABLE([jack],
    AS_HELP_STRING([--disable-jack],[Disable optional JACK support]))

AS_IF([test "x$enable_jack" != "xno"],
    [PKG_CHECK_MODULES(JACK, [ jack >= 0.100 ], HAVE_JACK=1, HAVE_JACK=0)],
    HAVE_JACK=0)

AS_IF([test "x$enable_jack" = "xyes" && test "x$HAVE_JACK" = "x0"],
    [AC_MSG_ERROR([*** JACK support not found])])

AC_SUBST(JACK_CFLAGS)
AC_SUBST(JACK_LIBS)
AM_CONDITIONAL([HAVE_JACK], [test "x$HAVE_JACK" = x1])

#### Async DNS support (optional) ####

AC_ARG_ENABLE([asyncns],
    AS_HELP_STRING([--disable-asyncns],[Disable optional Async DNS support]))

AS_IF([test "x$enable_asyncns" != "xno"],
    [PKG_CHECK_MODULES(LIBASYNCNS, [ libasyncns >= 0.1 ], HAVE_LIBASYNCNS=1, HAVE_LIBASYNCNS=0)],
    HAVE_LIBASYNCNS=0)

AS_IF([test "x$enable_asyncns" = "xyes" && test "x$HAVE_LIBASYNCNS" = "x0"],
    [AC_MSG_ERROR([*** Async DNS support not found])])

AC_SUBST(LIBASYNCNS_CFLAGS)
AC_SUBST(LIBASYNCNS_LIBS)
AM_CONDITIONAL([HAVE_LIBASYNCNS], [test "x$HAVE_LIBASYNCNS" = x1])
AS_IF([test "x$HAVE_LIBASYNCNS" = "x1"], AC_DEFINE([HAVE_LIBASYNCNS], 1, [Have libasyncns?]))

#### TCP wrappers (optional) ####

AC_ARG_ENABLE([tcpwrap],
    AS_HELP_STRING([--disable-tcpwrap],[Disable optional TCP wrappers support]))

AS_IF([test "x$enable_tcpwrap" != "xno"],
    [
        ACX_LIBWRAP
        AS_IF([test "x$LIBWRAP_LIBS" != "x"], HAVE_TCPWRAP=1, HAVE_TCPWRAP=0)
    ],
    HAVE_TCPWRAP=0)

AS_IF([test "x$enable_tcpwrap" = "xyes" && test "x$HAVE_TCPWRAP" = "x0"],
    [AC_MSG_ERROR([*** TCP wrappers support not found])])

AC_SUBST(LIBWRAP_LIBS)

#### LIRC support (optional) ####

AC_ARG_ENABLE([lirc],
    AS_HELP_STRING([--disable-lirc],[Disable optional LIRC support]))

LIRC_CFLAGS=
LIRC_LIBS=

AS_IF([test "x$enable_lirc" != "xno"],
    [
        HAVE_LIRC=1
        AC_CHECK_HEADER(lirc/lirc_client.h, [], [HAVE_LIRC=0])
        AC_CHECK_LIB(lirc_client, lirc_init, [LIRC_LIBS=-llirc_client], [HAVE_LIRC=0])
    ],
    HAVE_LIRC=0)

AS_IF([test "x$enable_lirc" = "xyes" && test "x$HAVE_LIRC" = "x0"],
    [AC_MSG_ERROR([*** LIRC support not found])])

AC_SUBST(LIRC_CFLAGS)
AC_SUBST(LIRC_LIBS)
AM_CONDITIONAL([HAVE_LIRC], [test "x$HAVE_LIRC" = x1])

#### HAL support (optional) ####

AC_ARG_ENABLE([hal],
    AS_HELP_STRING([--disable-hal],[Disable optional HAL support]))

AS_IF([test "x$enable_hal" != "xno" -a \( "x$HAVE_OSS" = "x1" -o "x$HAVE_ALSA" = "x1" \)],
    [PKG_CHECK_MODULES(HAL, [ hal >= 0.5.11 ], HAVE_HAL=1, HAVE_HAL=0)],
    HAVE_HAL=0)

AS_IF([test "x$enable_hal" = "xyes" && test "x$HAVE_HAL" = "x0"],
    [AC_MSG_ERROR([*** HAL support not found])])

AC_SUBST(HAL_CFLAGS)
AC_SUBST(HAL_LIBS)
AM_CONDITIONAL([HAVE_HAL], [test "x$HAVE_HAL" = x1])
AS_IF([test "x$HAVE_HAL" = "x1"], AC_DEFINE([HAVE_HAL], 1, [Have HAL.]))

#### UDEV support (optional) ####

AC_ARG_ENABLE([udev],
    AS_HELP_STRING([--disable-udev],[Disable optional UDEV support]))

AS_IF([test "x$enable_udev" != "xno" -a \( "x$HAVE_OSS" = "x1" -o "x$HAVE_ALSA" = "x1" \)],
    [PKG_CHECK_MODULES(UDEV, [ libudev >= 143 ], HAVE_UDEV=1, HAVE_UDEV=0)],
    HAVE_UDEV=0)

AS_IF([test "x$enable_udev" = "xyes" && test "x$HAVE_UDEV" = "x0"],
    [AC_MSG_ERROR([*** UDEV support not found])])

AC_SUBST(UDEV_CFLAGS)
AC_SUBST(UDEV_LIBS)
AM_CONDITIONAL([HAVE_UDEV], [test "x$HAVE_UDEV" = x1])
AS_IF([test "x$HAVE_UDEV" = "x1"], AC_DEFINE([HAVE_UDEV], 1, [Have UDEV.]))

#### BlueZ support (optional) ####

AC_ARG_ENABLE([bluez],
    AS_HELP_STRING([--disable-bluez],[Disable optional BlueZ support]))

AS_IF([test "x$enable_bluez" != "xno"],
    [PKG_CHECK_MODULES(BLUEZ, [ bluez >= 3.0 ], HAVE_BLUEZ=1, HAVE_BLUEZ=0)],
    HAVE_BLUEZ=0)

AS_IF([test "x$enable_bluez" = "xyes" && test "x$HAVE_BLUEZ" = "x0"],
    [AC_MSG_ERROR([*** BLUEZ support not found])])

AC_SUBST(BLUEZ_CFLAGS)
AC_SUBST(BLUEZ_LIBS)
AM_CONDITIONAL([HAVE_BLUEZ], [test "x$HAVE_BLUEZ" = x1])

#### D-Bus support (optional) ####

AC_ARG_ENABLE([dbus],
    AS_HELP_STRING([--disable-dbus],[Disable optional D-Bus support]))

AS_IF([test "x$enable_dbus" != "xno"],
    [PKG_CHECK_MODULES(DBUS, [ dbus-1 >= 1.0.0 ], HAVE_DBUS=1, HAVE_DBUS=0)],
    HAVE_DBUS=0)

AS_IF([test "x$enable_dbus" = "xyes" && test "x$HAVE_DBUS" = "x0"],
    [AC_MSG_ERROR([*** D-Bus support not found])])

AS_IF([test "x$HAVE_DBUS" = "x1"],
    [
        save_CFLAGS="$CFLAGS"; CFLAGS="$CFLAGS $DBUS_CFLAGS"
        save_LIBS="$LIBS"; LIBS="$LIBS $DBUS_LIBS"
        AC_CHECK_FUNCS(dbus_watch_get_unix_fd)
        CFLAGS="$save_CFLAGS"
        LIBS="$save_LIBS"
    ])

AC_SUBST(DBUS_CFLAGS)
AC_SUBST(DBUS_LIBS)
AM_CONDITIONAL([HAVE_DBUS], [test "x$HAVE_DBUS" = x1])
AS_IF([test "x$HAVE_DBUS" = "x1"], AC_DEFINE([HAVE_DBUS], 1, [Have D-Bus.]))

# HAL and BlueZ depend on D-Bus: So double check if they were explicitly enabled.
if test "x$HAVE_DBUS" != "x1" ; then
    HAVE_HAL=0
    if test "x$enable_hal" = "xyes"; then
        AC_MSG_ERROR([*** D-Bus support is required by HAL])
    fi

    HAVE_BLUEZ=0
    if test "x$enable_bluez" = "xyes"; then
        AC_MSG_ERROR([*** D-Bus support is required by BLUEZ])
    fi
fi

#### HAL compat support (optional) ####

AC_ARG_ENABLE([hal-compat],
    AS_HELP_STRING([--disable-hal-compat],[Disable optional HAL->udev transition compatibility support]))

if test "x$enable_hal_compat" != "xno" -a "x$HAVE_HAL" = "x0" -a "x$HAVE_UDEV" = "x1"; then
    HAVE_HAL_COMPAT=1
    AC_DEFINE([HAVE_HAL_COMPAT], 1, [Have HAL compatibility.])
else
    HAVE_HAL_COMPAT=0
fi

AM_CONDITIONAL([HAVE_HAL_COMPAT], [test "x$HAVE_HAL_COMPAT" = x1])

#### IPv6 connection support (optional) ####

AC_ARG_ENABLE([ipv6],
    AS_HELP_STRING([--disable-ipv6],[Disable optional IPv6 support]))

if test "x$enable_ipv6" != "xno"; then
    AC_DEFINE([HAVE_IPV6], [1], [Define this to enable IPv6 connection support])
    HAVE_IPV6=1
else
    HAVE_IPV6=0
fi

#### OpenSSL support (optional) ####

AC_ARG_ENABLE([openssl],
    AS_HELP_STRING([--disable-openssl],[Disable OpenSSL support (used for Airtunes/RAOP)]))

AS_IF([test "x$enable_openssl" != "xno"],
    [PKG_CHECK_MODULES(OPENSSL, [ openssl > 0.9 ], HAVE_OPENSSL=1, HAVE_OPENSSL=0)],
    HAVE_OPENSSL=0)

AS_IF([test "x$enable_openssl" = "xyes" && test "x$HAVE_OPENSSL" = "x0"],
    [AC_MSG_ERROR([*** OpenSSL support not found])])

AC_SUBST(OPENSSL_CFLAGS)
AC_SUBST(OPENSSL_LIBS)
AM_CONDITIONAL([HAVE_OPENSSL], [test "x$HAVE_OPENSSL" = x1])
AS_IF([test "x$HAVE_OPENSSL" = "x1"], AC_DEFINE([HAVE_OPENSSL], 1, [Have OpenSSL]))

#### FFTW (optional) ####

AC_ARG_WITH([fftw],
    AS_HELP_STRING([--without-fftw],[Omit FFTW-using modules (equalizer)]))

AS_IF([test "x$with_fftw" != "xno"],
    [PKG_CHECK_MODULES(FFTW, [ fftw3f ], HAVE_FFTW=1, HAVE_FFTW=0)],
    HAVE_FFTW=0)

AM_CONDITIONAL([HAVE_FFTW], [test "x$HAVE_FFTW" = "x1"])

#### ORC (optional) ####

ORC_CHECK([0.4.11])

#### Build and Install man pages ####

AC_ARG_ENABLE([manpages],
    AS_HELP_STRING([--disable-manpages],[Disable building and installation of man pages]))

AM_CONDITIONAL([BUILD_MANPAGES], [test "x$enable_manpages" != "xno"])

#### PulseAudio system group & user  #####

AC_ARG_WITH(system_user, AS_HELP_STRING([--with-system-user=<user>],[User for running the PulseAudio daemon as a system-wide instance (pulse)]))
if test -z "$with_system_user" ; then
    PA_SYSTEM_USER=pulse
else
    PA_SYSTEM_USER=$with_system_user
fi
AC_SUBST(PA_SYSTEM_USER)
AC_DEFINE_UNQUOTED(PA_SYSTEM_USER,"$PA_SYSTEM_USER", [User for running the PulseAudio system daemon])

AC_ARG_WITH(system_group,AS_HELP_STRING([--with-system-group=<group>],[Group for running the PulseAudio daemon as a system-wide instance (pulse)]))
if test -z "$with_system_group" ; then
    PA_SYSTEM_GROUP=pulse
else
    PA_SYSTEM_GROUP=$with_system_group
fi
AC_SUBST(PA_SYSTEM_GROUP)
AC_DEFINE_UNQUOTED(PA_SYSTEM_GROUP,"$PA_SYSTEM_GROUP", [Group for the PulseAudio system daemon])

AC_ARG_WITH(access_group,AS_HELP_STRING([--with-access-group=<group>],[Group which is allowed access to a system-wide PulseAudio daemon (pulse-access)]))
if test -z "$with_access_group" ; then
    PA_ACCESS_GROUP=pulse-access
else
    PA_ACCESS_GROUP=$with_access_group
fi
AC_SUBST(PA_ACCESS_GROUP)
AC_DEFINE_UNQUOTED(PA_ACCESS_GROUP,"$PA_ACCESS_GROUP", [Access group])

AC_ARG_ENABLE([per-user-esound-socket],
    AS_HELP_STRING([--disable-per-user-esound-socket],[Use global esound socket directory /tmp/.esd/socket.]))

if test "x$enable_per_user_esound_socket" != "xno"; then
    USE_PER_USER_ESOUND_SOCKET=1
    AC_DEFINE([USE_PER_USER_ESOUND_SOCKET], [1], [Define this if you want per-user esound socket directories])
else
    USE_PER_USER_ESOUND_SOCKET=0
fi

#### PulseAudio system runtime dir ####

PA_SYSTEM_RUNTIME_PATH="${localstatedir}/run/pulse"
AC_SUBST(PA_SYSTEM_RUNTIME_PATH)
PA_SYSTEM_CONFIG_PATH="${localstatedir}/lib/pulse"
AC_SUBST(PA_SYSTEM_CONFIG_PATH)
PA_SYSTEM_STATE_PATH="${localstatedir}/lib/pulse"
AC_SUBST(PA_SYSTEM_STATE_PATH)

#### Mac OSX specific stuff #####

AC_ARG_ENABLE(mac-universal,
    AS_HELP_STRING([--enable-mac-universal], [Build Mac universal binaries]),
    enable_mac_universal=$enableval, enable_mac_universal="no")

AC_ARG_WITH(mac-version-min,
    AS_HELP_STRING([--with-mac-version-min=<version>], [Defines the earliest version of MacOS X that the executables will run on.]),
    mac_version_min=$withval, mac_version_min="10.5")

AC_ARG_WITH(mac-sysroot,
    AS_HELP_STRING([--with-mac-sysroot=<path>], [SDK basedir to use as the logical root directory for headers and libraries.]),
    mac_sysroot=$withval, mac_sysroot="/Developer/SDKs/MacOSX10.5.sdk")

if test "x$os_is_darwin" = "x1" ; then
    LDFLAGS="$LDFLAGS -isysroot $mac_sysroot -mmacosx-version-min=$mac_version_min"
    CFLAGS="$CFLAGS -isysroot $mac_sysroot -mmacosx-version-min=$mac_version_min"

    if test "x$enable_mac_universal" = "xyes" ; then
        mac_arches="-arch i386 -arch x86_64"
        LDFLAGS="$LDFLAGS $mac_arches"
        CFLAGS="$CFLAGS $mac_arches"
    fi
fi


###################################
#            Output               #
###################################

AC_DEFINE_UNQUOTED(PA_CFLAGS, "$CFLAGS", [The CFLAGS used during compilation])

AC_ARG_ENABLE([legacy-runtime-dir],
        AS_HELP_STRING([--disable-legacy-runtime-dir], [Try to connect on legacy (< 0.9.12) socket paths.]))
if test "x$enable_legacy_runtime_dir" != "xno" ; then
        AC_DEFINE(ENABLE_LEGACY_RUNTIME_DIR, [1], [Legacy runtime dir])
fi

AC_ARG_ENABLE([legacy-database-entry-format],
        AS_HELP_STRING([--disable-legacy-database-entry-format], [Try to load legacy (< 1.0) database files (card, device and volume restore).]))
if test "x$enable_legacy_database_entry_format" != "xno" ; then
        AC_DEFINE(ENABLE_LEGACY_DATABASE_ENTRY_FORMAT, [1], [Legacy database entry format])
fi
AC_DEFINE([WIBBLE], 1, [Just a test.])

AC_ARG_ENABLE([static-bins],
    AS_HELP_STRING([--enable-static-bins],[Statically link executables.]))

AM_CONDITIONAL([STATIC_BINS], [test "x$enable_static_bins" = "xyes"])

AC_ARG_WITH(
        [preopen-mods],
        AS_HELP_STRING([--with-preopen-mods],[Modules to preopen in daemon (default: all).]),
        [PREOPEN_MODS=$withval], [PREOPEN_MODS="all"])
AM_CONDITIONAL([PREOPEN_MODS], [test "x$PREOPEN_MODS" != "xall"])
if test "x$PREOPEN_MODS" != "xall" ; then
    tmpLIBS=""
    for mod in $PREOPEN_MODS; do
        tmpLIBS="$tmpLIBS module-$mod.la"
    done
    PREOPEN_MODS="$tmpLIBS"
    AC_SUBST(PREOPEN_MODS)
fi

AC_ARG_WITH(
        [module-dir],
        AS_HELP_STRING([--with-module-dir],[Directory where to install the modules to (defaults to ${libdir}/pulse-${PA_MAJORMINOR}/modules]),
        [modlibexecdir=$withval], [modlibexecdir="${libdir}/pulse-${PA_MAJORMINOR}/modules"])

AC_SUBST(modlibexecdir)

AC_ARG_WITH(
        [udev-rules-dir],
        AS_HELP_STRING([--with-udev-rules-dir],[Directory where to install udev rules to (defaults to /lib/udev/rules.d)]),
        [udevrulesdir=$withval], [udevrulesdir="/lib/udev/rules.d"])

AC_SUBST(udevrulesdir)

AC_ARG_ENABLE([force-preopen],
    AS_HELP_STRING([--enable-force-preopen],[Preopen modules, even when dlopen() is supported.]))

if test "x$enable_force_preopen" = "xyes"; then
    FORCE_PREOPEN=yes
else
    FORCE_PREOPEN=no
fi

AM_CONDITIONAL([FORCE_PREOPEN], [test "x$FORCE_PREOPEN" = "xyes"])

AC_CONFIG_FILES([
Makefile
src/Makefile
man/Makefile
libpulse.pc
libpulse-simple.pc
libpulse-browse.pc
libpulse-mainloop-glib.pc
doxygen/Makefile
doxygen/doxygen.conf
src/pulse/version.h
po/Makefile.in
])

AC_OUTPUT

# ==========================================================================

AS_IF([test "x$HAVE_X11" = "x1"], ENABLE_X11=yes, ENABLE_X11=no)
AS_IF([test "x$HAVE_OSS_OUTPUT" = "x1"], ENABLE_OSS_OUTPUT=yes, ENABLE_OSS_OUTPUT=no)
AS_IF([test "x$HAVE_OSS_WRAPPER" = "x1"], ENABLE_OSS_WRAPPER=yes, ENABLE_OSS_WRAPPER=no)
AS_IF([test "x$HAVE_ALSA" = "x1"], ENABLE_ALSA=yes, ENABLE_ALSA=no)
AS_IF([test "x$HAVE_COREAUDIO" = "x1"], ENABLE_COREAUDIO=yes, ENABLE_COREAUDIO=no)
AS_IF([test "x$HAVE_SOLARIS" = "x1"], ENABLE_SOLARIS=yes, ENABLE_SOLARIS=no)
AS_IF([test "x$HAVE_WAVEOUT" = "x1"], ENABLE_WAVEOUT=yes, ENABLE_WAVEOUT=no)
AS_IF([test "x$HAVE_GLIB20" = "x1"], ENABLE_GLIB20=yes, ENABLE_GLIB20=no)
AS_IF([test "x$HAVE_GTK20" = "x1"], ENABLE_GTK20=yes, ENABLE_GTK20=no)
AS_IF([test "x$HAVE_GCONF" = "x1"], ENABLE_GCONF=yes, ENABLE_GCONF=no)
AS_IF([test "x$HAVE_AVAHI" = "x1"], ENABLE_AVAHI=yes, ENABLE_AVAHI=no)
AS_IF([test "x$HAVE_JACK" = "x1"], ENABLE_JACK=yes, ENABLE_JACK=no)
AS_IF([test "x$HAVE_LIBASYNCNS" = "x1"], ENABLE_LIBASYNCNS=yes, ENABLE_LIBASYNCNS=no)
AS_IF([test "x$HAVE_LIRC" = "x1"], ENABLE_LIRC=yes, ENABLE_LIRC=no)
AS_IF([test "x$HAVE_DBUS" = "x1"], ENABLE_DBUS=yes, ENABLE_DBUS=no)
AS_IF([test "x$HAVE_HAL" = "x1"], ENABLE_HAL=yes, ENABLE_HAL=no)
AS_IF([test "x$HAVE_UDEV" = "x1"], ENABLE_UDEV=yes, ENABLE_UDEV=no)
AS_IF([test "x$HAVE_BLUEZ" = "x1"], ENABLE_BLUEZ=yes, ENABLE_BLUEZ=no)
AS_IF([test "x$HAVE_HAL_COMPAT" = "x1"], ENABLE_HAL_COMPAT=yes, ENABLE_HAL_COMPAT=no)
AS_IF([test "x$HAVE_TCPWRAP" = "x1"], ENABLE_TCPWRAP=yes, ENABLE_TCPWRAP=no)
AS_IF([test "x$HAVE_LIBSAMPLERATE" = "x1"], ENABLE_LIBSAMPLERATE=yes, ENABLE_LIBSAMPLERATE=no)
AS_IF([test "x$HAVE_IPV6" = "x1"], ENABLE_IPV6=yes, ENABLE_IPV6=no)
AS_IF([test "x$HAVE_OPENSSL" = "x1"], ENABLE_OPENSSL=yes, ENABLE_OPENSSL=no)
AS_IF([test "x$HAVE_FFTW" = "x1"], ENABLE_FFTW=yes, ENABLE_FFTW=no)
AS_IF([test "x$HAVE_ORC" = "xyes"], ENABLE_ORC=yes, ENABLE_ORC=no)
AS_IF([test "x$HAVE_TDB" = "x1"], ENABLE_TDB=yes, ENABLE_TDB=no)
AS_IF([test "x$HAVE_GDBM" = "x1"], ENABLE_GDBM=yes, ENABLE_GDBM=no)
AS_IF([test "x$HAVE_SIMPLEDB" = "x1"], ENABLE_SIMPLEDB=yes, ENABLE_SIMPLEDB=no)
AS_IF([test "x$USE_PER_USER_ESOUND_SOCKET" = "x1"], ENABLE_PER_USER_ESOUND_SOCKET=yes, ENABLE_PER_USER_ESOUND_SOCKET=no)
AS_IF([test "x$enable_legacy_runtime_dir" != "xno"], ENABLE_LEGACY_RUNTIME_DIR=yes, ENABLE_LEGACY_RUNTIME_DIR=no)
AS_IF([test "x$enable_legacy_database_entry_format" != "xno"], ENABLE_LEGACY_DATABASE_ENTRY_FORMAT=yes, ENABLE_LEGACY_DATABASE_ENTRY_FORMAT=no)

echo "
 ---{ $PACKAGE_NAME $VERSION }---

    prefix:                        ${prefix}
    sysconfdir:                    ${sysconfdir}
    localstatedir:                 ${localstatedir}
    System Runtime Path:           ${PA_SYSTEM_RUNTIME_PATH}
    System State Path:             ${PA_SYSTEM_STATE_PATH}
    System Config Path:            ${PA_SYSTEM_CONFIG_PATH}
    Compiler:                      ${CC}
    CFLAGS:                        ${CFLAGS}
    LIBS:                          ${LIBS}

    Enable X11:                    ${ENABLE_X11}
    Enable OSS Output:             ${ENABLE_OSS_OUTPUT}
    Enable OSS Wrapper:            ${ENABLE_OSS_WRAPPER}
    Enable Alsa:                   ${ENABLE_ALSA}
    Enable CoreAudio:              ${ENABLE_COREAUDIO}
    Enable Solaris:                ${ENABLE_SOLARIS}
    Enable WaveOut:                ${ENABLE_WAVEOUT}
    Enable GLib 2.0:               ${ENABLE_GLIB20}
    Enable Gtk+ 2.0:               ${ENABLE_GTK20}
    Enable GConf:                  ${ENABLE_GCONF}
    Enable Avahi:                  ${ENABLE_AVAHI}
    Enable Jack:                   ${ENABLE_JACK}
    Enable Async DNS:              ${ENABLE_LIBASYNCNS}
    Enable LIRC:                   ${ENABLE_LIRC}
    Enable D-Bus:                  ${ENABLE_DBUS}
      Enable HAL:                  ${ENABLE_HAL}
      Enable BlueZ:                ${ENABLE_BLUEZ}
    Enable udev:                   ${ENABLE_UDEV}
      Enable HAL->udev compat:     ${ENABLE_HAL_COMPAT}
    Enable TCP Wrappers:           ${ENABLE_TCPWRAP}
    Enable libsamplerate:          ${ENABLE_LIBSAMPLERATE}
    Enable IPv6:                   ${ENABLE_IPV6}
    Enable OpenSSL (for Airtunes): ${ENABLE_OPENSSL}
    Enable fftw:                   ${ENABLE_FFTW}
    Enable orc:                    ${ENABLE_ORC}
    Database
      tdb:                         ${ENABLE_TDB}
      gdbm:                        ${ENABLE_GDBM}
      simple database:             ${ENABLE_SIMPLEDB}

    System User:                   ${PA_SYSTEM_USER}
    System Group:                  ${PA_SYSTEM_GROUP}
    Access Group:                  ${PA_ACCESS_GROUP}
    Enable per-user EsounD socket: ${ENABLE_PER_USER_ESOUND_SOCKET}
    Force preopen:                 ${FORCE_PREOPEN}
    Preopened modules:             ${PREOPEN_MODS}

    Legacy Runtime Dir Support:    ${ENABLE_LEGACY_RUNTIME_DIR}
    Legacy Database Entry Support: ${ENABLE_LEGACY_DATABASE_ENTRY_FORMAT}
"

if test "${ENABLE_DBUS}" = "no" && test "x$os_is_win32" != "x1" ; then
   echo "
===== WARNING WARNING WARNING WARNING WARNING WARNING WARNING =====
You do not have D-Bus support enabled. It is strongly recommended
that you enable D-Bus support if your platform supports it.
Many parts of PulseAudio use D-Bus, from ConsoleKit interaction
to the Device Reservation Protocol to speak to JACK, Bluetooth
support and even a native control protocol for communicating and
controling the PulseAudio daemon itself.
===== WARNING WARNING WARNING WARNING WARNING WARNING WARNING =====
"
fi

if test "${ENABLE_UDEV}" = "no" && test "x$os_is_win32" != "x1" ; then
   echo "
===== WARNING WARNING WARNING WARNING WARNING WARNING WARNING =====
You do not have udev support enabled. It is strongly recommended
that you enable udev support if your platform supports it as it is
the primary method used to detect hardware audio devices (on Linux)
and is thus a critical part of PulseAudio on that platform.
===== WARNING WARNING WARNING WARNING WARNING WARNING WARNING =====
"
fi