summaryrefslogtreecommitdiffstats
path: root/configure.ac
blob: 3c8e3b720371916a86bdafc159d8bea5815cd4a6 (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
# Process this file with autoconf to produce a configure script.
AC_INIT(LibVNCServer, 0.9.10, http://sourceforge.net/projects/libvncserver)
AM_INIT_AUTOMAKE(LibVNCServer, 0.9.10)
m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
AM_CONFIG_HEADER(rfbconfig.h)
AX_PREFIX_CONFIG_H([rfb/rfbconfig.h])

# set detailed version info
AC_DEFINE(VERSION_MAJOR, 0, LibVNCServer major version)
AC_DEFINE(VERSION_MINOR, 9, LibVNCServer minor version)
AC_DEFINE(VERSION_PATCHLEVEL, 10, LibVNCServer patchlevel)

# Checks for programs.
AC_PROG_CC
AM_PROG_CC_C_O
if test -z "$CC"; then
	CCLD="\$(CC)"
else
	CCLD="$CC"
fi
test "x$GCC" = "xyes" && CFLAGS="$CFLAGS -Wall"
AC_PROG_MAKE_SET
AC_LIBTOOL_WIN32_DLL
AC_PROG_LIBTOOL
AC_PATH_PROG([AR], [ar], [/usr/bin/ar],
                  [$PATH:/usr/ccs/bin])

# Options
AH_TEMPLATE(WITH_TIGHTVNC_FILETRANSFER, [Disable TightVNCFileTransfer protocol])
AC_ARG_WITH(tightvnc-filetransfer,
	[  --without-filetransfer  disable TightVNC file transfer protocol],
	, [ with_tightvnc_filetransfer=yes ])
# AC_DEFINE moved to after libpthread check.

# WebSockets support
AC_CHECK_FUNC(__b64_ntop, HAVE_B64_IN_LIBC="true", HAVE_B64_IN_LIBC="false")
if test "x$HAVE_B64_IN_LIBC" != "xtrue"; then
	AC_CHECK_LIB(resolv, __b64_ntop, HAVE_B64_IN_LIBRESOLV="true", HAVE_B64_IN_LIBRESOLV="false")
	if test "x$HAVE_B64_IN_LIBRESOLV" = "xtrue"; then
		RESOLV_LIB="-lresolv"
		HAVE_B64="true"
	fi
else
	HAVE_B64="true"
fi
AH_TEMPLATE(WITH_WEBSOCKETS, [Disable WebSockets support])
AC_ARG_WITH(websockets,
	[  --without-websockets    disable WebSockets support],
	, [ with_websockets=yes ])
# AC_DEFINE moved to after libresolve check.

AH_TEMPLATE(ALLOW24BPP, [Enable 24 bit per pixel in native framebuffer])
AC_ARG_WITH(24bpp,
	[  --without-24bpp         disable 24 bpp framebuffers],
	, [ with_24bpp=yes ])
if test "x$with_24bpp" = "xyes"; then
	AC_DEFINE(ALLOW24BPP)
fi
AH_TEMPLATE(FFMPEG, [Use ffmpeg (for vnc2mpg)])
AC_ARG_WITH(ffmpeg,
	[  --with-ffmpeg=dir       set ffmpeg home directory],,)
AC_SUBST(with_ffmpeg)
AM_CONDITIONAL(WITH_FFMPEG, test ! -z "$with_ffmpeg")
if test ! -z "$with_ffmpeg"; then
	AC_CHECK_LIB(mp3lame, lame_init, HAVE_MP3LAME="true", HAVE_MP3LAME="false" )
fi
AM_CONDITIONAL(HAVE_MP3LAME, test "$HAVE_MP3LAME" = "true")

# Seem to need this dummy here to induce the 'checking for egrep... grep -E', etc.
# before it seemed to be inside the with_jpeg conditional. 
AC_CHECK_HEADER(thenonexistentheader.h, HAVE_THENONEXISTENTHEADER_H="true")

# set some ld -R nonsense
#
uname_s=`(uname -s) 2>/dev/null`
ld_minus_R="yes"
if test "x$uname_s" = "xHP-UX"; then
	ld_minus_R="no"
elif test "x$uname_s" = "xOSF1"; then
	ld_minus_R="no"
elif test "x$uname_s" = "xDarwin"; then
	ld_minus_R="no"
fi

# Check for OpenSSL
AH_TEMPLATE(HAVE_LIBCRYPT, [libcrypt library present])
AC_ARG_WITH(crypt,
[  --without-crypt         disable support for libcrypt],,)
if test "x$with_crypt" != "xno"; then
	AC_CHECK_FUNCS([crypt], HAVE_LIBC_CRYPT="true")
	if test -z "$HAVE_LIBC_CRYPT"; then
		AC_CHECK_LIB(crypt, crypt,
			CRYPT_LIBS="-lcrypt"
			[AC_DEFINE(HAVE_LIBCRYPT)], ,)
	fi
fi
AC_SUBST(CRYPT_LIBS)

# some OS's need both -lssl and -lcrypto on link line:
AH_TEMPLATE(HAVE_LIBCRYPTO, [openssl libcrypto library present])
AC_ARG_WITH(crypto,
[  --without-crypto        disable support for openssl libcrypto],,)

AH_TEMPLATE(HAVE_LIBSSL, [openssl libssl library present])
AC_ARG_WITH(ssl,
[  --without-ssl           disable support for openssl libssl]
[  --with-ssl=DIR          use openssl include/library files in DIR],,)

if test "x$with_crypto" != "xno" -a "x$with_ssl" != "xno"; then
	if test ! -z "$with_ssl" -a "x$with_ssl" != "xyes"; then
		saved_CPPFLAGS="$CPPFLAGS"
		saved_LDFLAGS="$LDFLAGS"
		CPPFLAGS="$CPPFLAGS -I$with_ssl/include"
		LDFLAGS="$LDFLAGS -L$with_ssl/lib"
		if test "x$ld_minus_R" = "xno"; then
			:
		elif test "x$GCC" = "xyes"; then
			LDFLAGS="$LDFLAGS -Xlinker -R$with_ssl/lib"
		else
			LDFLAGS="$LDFLAGS -R$with_ssl/lib"
		fi
	fi
	AC_CHECK_LIB(crypto, RAND_file_name,
		[AC_DEFINE(HAVE_LIBCRYPTO) HAVE_LIBCRYPTO="true"], ,)
	if test ! -z "$with_ssl" -a "x$with_ssl" != "xyes"; then
		if test "x$HAVE_LIBCRYPTO" != "xtrue"; then
			CPPFLAGS="$saved_CPPFLAGS"
			LDFLAGS="$saved_LDFLAGS"
		fi
	fi
fi

AH_TEMPLATE(HAVE_X509_PRINT_EX_FP, [open ssl X509_print_ex_fp available])
if test "x$with_ssl" != "xno"; then
	if test "x$HAVE_LIBCRYPTO" = "xtrue"; then
		AC_CHECK_LIB(ssl, SSL_library_init,
			SSL_LIBS="-lssl -lcrypto"
			[AC_DEFINE(HAVE_LIBSSL) HAVE_LIBSSL="true"], ,
			-lcrypto)
	else
		AC_CHECK_LIB(ssl, SSL_library_init,
			SSL_LIBS="-lssl"
			[AC_DEFINE(HAVE_LIBSSL) HAVE_LIBSSL="true"], ,)
	fi
fi
AC_SUBST(SSL_LIBS)
AM_CONDITIONAL(HAVE_LIBSSL, test ! -z "$SSL_LIBS")

# Checks for X libraries
HAVE_X11="false"
AC_PATH_XTRA
AH_TEMPLATE(HAVE_X11, [X11 build environment present])

# See if we are to build x11vnc:
AH_TEMPLATE(HAVE_SYSTEM_LIBVNCSERVER, [Use the system libvncserver build environment for x11vnc.])
AC_ARG_WITH(system-libvncserver,
[  --with-system-libvncserver     use installed libvncserver for x11vnc]
[  --with-system-libvncserver=DIR use libvncserver installed in DIR for x11vnc],,)
AC_ARG_WITH(x11vnc,
[  --with-x11vnc           configure for building the x11vnc subdir (if present)]
[                          you will need to cd to x11vnc and run 'make' etc.],,)

if test ! -z "$with_x11vnc" -a "$with_x11vnc" = "yes"; then
	build_x11vnc="yes"
elif test "$PACKAGE_NAME" = "x11vnc"; then
	build_x11vnc="yes"
else
	build_x11vnc="no"
fi
	
# x11vnc only:
if test "$build_x11vnc" = "yes"; then

AH_TEMPLATE(HAVE_XSHM, [MIT-SHM extension build environment present])
AH_TEMPLATE(HAVE_XTEST, [XTEST extension build environment present])
AH_TEMPLATE(HAVE_XTESTGRABCONTROL, [XTEST extension has XTestGrabControl])
AH_TEMPLATE(HAVE_XKEYBOARD, [XKEYBOARD extension build environment present])
AH_TEMPLATE(HAVE_LIBXINERAMA, [XINERAMA extension build environment present])
AH_TEMPLATE(HAVE_LIBXRANDR, [XRANDR extension build environment present])
AH_TEMPLATE(HAVE_LIBXFIXES, [XFIXES extension build environment present])
AH_TEMPLATE(HAVE_LIBXDAMAGE, [XDAMAGE extension build environment present])
AH_TEMPLATE(HAVE_LIBXTRAP, [DEC-XTRAP extension build environment present])
AH_TEMPLATE(HAVE_RECORD, [RECORD extension build environment present])
AH_TEMPLATE(HAVE_SOLARIS_XREADSCREEN, [Solaris XReadScreen available])
AH_TEMPLATE(HAVE_IRIX_XREADDISPLAY, [IRIX XReadDisplay available])
AH_TEMPLATE(HAVE_FBPM, [FBPM extension build environment present])
AH_TEMPLATE(HAVE_DPMS, [DPMS extension build environment present])
AH_TEMPLATE(HAVE_LINUX_VIDEODEV_H, [video4linux build environment present])
AH_TEMPLATE(HAVE_LINUX_FB_H, [linux fb device build environment present])
AH_TEMPLATE(HAVE_LINUX_INPUT_H, [linux/input.h present])
AH_TEMPLATE(HAVE_LINUX_UINPUT_H, [linux uinput device build environment present])
AH_TEMPLATE(HAVE_MACOSX_NATIVE_DISPLAY, [build MacOS X native display support])
AH_TEMPLATE(HAVE_MACOSX_OPENGL_H, [MacOS X OpenGL present])

AC_ARG_WITH(xkeyboard,
[  --without-xkeyboard     disable xkeyboard extension support],,)
AC_ARG_WITH(xinerama,
[  --without-xinerama      disable xinerama extension support],,)
AC_ARG_WITH(xrandr,
[  --without-xrandr        disable xrandr extension support],,)
AC_ARG_WITH(xfixes,
[  --without-xfixes        disable xfixes extension support],,)
AC_ARG_WITH(xdamage,
[  --without-xdamage       disable xdamage extension support],,)
AC_ARG_WITH(xtrap,
[  --without-xtrap         disable xtrap extension support],,)
AC_ARG_WITH(xrecord,
[  --without-xrecord       disable xrecord extension support],,)
AC_ARG_WITH(fbpm,
[  --without-fbpm          disable fbpm extension support],,)
AC_ARG_WITH(dpms,
[  --without-dpms          disable dpms extension support],,)
AC_ARG_WITH(v4l,
[  --without-v4l           disable video4linux support],,)
AC_ARG_WITH(fbdev,
[  --without-fbdev         disable linux fb device support],,)
AC_ARG_WITH(uinput,
[  --without-uinput        disable linux uinput device support],,)
AC_ARG_WITH(macosx-native,
[  --without-macosx-native disable MacOS X native display support],,)

fi
# end x11vnc only.

if test "x$with_x" = "xno"; then
	HAVE_X11="false"
elif test "$X_CFLAGS" != "-DX_DISPLAY_MISSING"; then
	AC_CHECK_LIB(X11, XGetImage, [AC_DEFINE(HAVE_X11) HAVE_X11="true"],
		HAVE_X11="false",
		$X_LIBS $X_PRELIBS -lX11 $X_EXTRA_LIBS)

	# x11vnc only:
	if test $HAVE_X11 = "true" -a "$build_x11vnc" = "yes"; then
		X_PRELIBS="$X_PRELIBS -lXext"

		AC_CHECK_LIB(Xext, XShmGetImage, 
			[AC_DEFINE(HAVE_XSHM)], ,
			$X_LIBS $X_PRELIBS -lX11 $X_EXTRA_LIBS)

		AC_CHECK_LIB(Xext, XReadScreen, 
			[AC_DEFINE(HAVE_SOLARIS_XREADSCREEN)], ,
			$X_LIBS $X_PRELIBS -lX11 $X_EXTRA_LIBS)

		AC_CHECK_HEADER(X11/extensions/readdisplay.h,
			[AC_DEFINE(HAVE_IRIX_XREADDISPLAY)], ,
			[#include <X11/Xlib.h>])

		if test "x$with_fbpm" != "xno"; then
			AC_CHECK_LIB(Xext, FBPMForceLevel, 
				[AC_DEFINE(HAVE_FBPM)], ,
				$X_LIBS $X_PRELIBS -lX11 $X_EXTRA_LIBS)
		fi

		if test "x$with_dpms" != "xno"; then
			AC_CHECK_LIB(Xext, DPMSForceLevel, 
				[AC_DEFINE(HAVE_DPMS)], ,
				$X_LIBS $X_PRELIBS -lX11 $X_EXTRA_LIBS)
		fi

		AC_CHECK_LIB(Xtst, XTestGrabControl, 
			X_PRELIBS="-lXtst $X_PRELIBS"
			[AC_DEFINE(HAVE_XTESTGRABCONTROL) HAVE_XTESTGRABCONTROL="true"], ,
			$X_LIBS $X_PRELIBS -lX11 $X_EXTRA_LIBS)

		AC_CHECK_LIB(Xtst, XTestFakeKeyEvent, 
			X_PRELIBS="-lXtst $X_PRELIBS"
			[AC_DEFINE(HAVE_XTEST) HAVE_XTEST="true"], ,
			$X_LIBS $X_PRELIBS -lX11 $X_EXTRA_LIBS)

		if test "x$with_xrecord" != "xno"; then
			AC_CHECK_LIB(Xtst, XRecordEnableContextAsync, 
				X_PRELIBS="-lXtst $X_PRELIBS"
				[AC_DEFINE(HAVE_RECORD)], ,
				$X_LIBS $X_PRELIBS -lX11 $X_EXTRA_LIBS)
		fi

		# we use XTRAP on X11R5, or user can set X11VNC_USE_XTRAP
		if test "x$with_xtrap" != "xno"; then
		    if test ! -z "$X11VNC_USE_XTRAP" -o -z "$HAVE_XTESTGRABCONTROL"; then
			AC_CHECK_LIB(XTrap, XETrapSetGrabServer, 
				X_PRELIBS="$X_PRELIBS -lXTrap"
				[AC_DEFINE(HAVE_LIBXTRAP)], ,
				$X_LIBS $X_PRELIBS -lX11 $X_EXTRA_LIBS)
			# tru64 uses libXETrap.so
			AC_CHECK_LIB(XETrap, XETrapSetGrabServer, 
				X_PRELIBS="$X_PRELIBS -lXETrap"
				[AC_DEFINE(HAVE_LIBXTRAP)], ,
				$X_LIBS $X_PRELIBS -lX11 $X_EXTRA_LIBS)
		    fi
		fi

		if test "x$with_xkeyboard" != "xno"; then
			saved_CPPFLAGS="$CPPFLAGS"
			CPPFLAGS="$CPPFLAGS $X_CFLAGS"
			AC_CHECK_HEADER(X11/XKBlib.h, HAVE_XKBLIB_H="true",
				HAVE_XKBLIB_H="false", [#include <X11/Xlib.h>])
			CPPFLAGS="$saved_CPPFLAGS"
			if test $HAVE_XKBLIB_H = "true"; then
				AC_CHECK_LIB(X11, XkbSelectEvents,
					[AC_DEFINE(HAVE_XKEYBOARD)], ,
					$X_LIBS $X_PRELIBS -lX11 $X_EXTRA_LIBS)
			fi
		fi

		if test "x$with_xinerama" != "xno"; then
			AC_CHECK_LIB(Xinerama, XineramaQueryScreens,
				X_PRELIBS="$X_PRELIBS -lXinerama"
				[AC_DEFINE(HAVE_LIBXINERAMA)], ,
				$X_LIBS $X_PRELIBS -lX11 $X_EXTRA_LIBS)
		fi

		if test "x$with_xrandr" != "xno"; then
			AC_CHECK_LIB(Xrandr, XRRSelectInput,
				X_PRELIBS="$X_PRELIBS -lXrandr"
				[AC_DEFINE(HAVE_LIBXRANDR) HAVE_LIBXRANDR="true"], ,
				$X_LIBS $X_PRELIBS -lX11 $X_EXTRA_LIBS)
		fi

		if test "x$with_xfixes" != "xno"; then
			AC_CHECK_LIB(Xfixes, XFixesGetCursorImage,
				X_PRELIBS="$X_PRELIBS -lXfixes"
				[AC_DEFINE(HAVE_LIBXFIXES) HAVE_LIBXFIXES="true"], ,
				$X_LIBS $X_PRELIBS -lX11 $X_EXTRA_LIBS)
		fi

		if test "x$with_xdamage" != "xno"; then
			AC_CHECK_LIB(Xdamage, XDamageQueryExtension,
				X_PRELIBS="$X_PRELIBS -lXdamage"
				[AC_DEFINE(HAVE_LIBXDAMAGE) HAVE_LIBXDAMAGE="true"], ,
				$X_LIBS $X_PRELIBS -lX11 $X_EXTRA_LIBS)
		fi

		if test ! -z "$HAVE_LIBXFIXES" -o ! -z "$HAVE_LIBXDAMAGE"; then
			# need /usr/sfw/lib in RPATH for Solaris 10 and later
			case `(uname -sr) 2>/dev/null` in
			"SunOS 5"*) X_EXTRA_LIBS="$X_EXTRA_LIBS -R/usr/sfw/lib" ;;
			esac
		fi
		if test ! -z "$HAVE_LIBXRANDR"; then
			# also need /usr/X11/include for Solaris 10 10/08 and later
			case `(uname -sr) 2>/dev/null` in
			"SunOS 5"*) CPPFLAGS="$CPPFLAGS -I/usr/X11/include" ;;
			esac
		fi

		X_LIBS="$X_LIBS $X_PRELIBS -lX11 $X_EXTRA_LIBS"
	fi
	# end x11vnc only.
fi

AC_SUBST(X_LIBS)
AM_CONDITIONAL(HAVE_X11, test $HAVE_X11 != "false")

# x11vnc only:
if test "$build_x11vnc" = "yes"; then

if test "x$HAVE_X11" = "xfalse" -a "x$with_x" != "xno"; then
	AC_MSG_ERROR([
==========================================================================
*** A working X window system build environment is required to build ***
x11vnc.  Make sure any required X development packages are installed.
If they are installed in non-standard locations, one can use the
--x-includes=DIR and --x-libraries=DIR configure options or set the
CPPFLAGS and LDFLAGS environment variables to indicate where the X
window system header files and libraries may be found.  On 64+32 bit
machines you may need to point to lib64 or lib32 directories to pick up
the correct word size.

If you want to build x11vnc without X support (e.g. for -rawfb use only
or for native Mac OS X), specify the --without-x configure option.
==========================================================================
])
fi

if test "x$HAVE_X11" = "xtrue" -a "x$HAVE_XTEST" != "xtrue"; then
	AC_MSG_WARN([
==========================================================================
*** A working build environment for the XTEST extension was not found ***
(libXtst).  An x11vnc built this way will be *ONLY BARELY USABLE*.
You will be able to move the mouse but not click or type.  There can
also be deadlocks if an application grabs the X server.

It is recommended that you install the necessary development packages
for XTEST (perhaps it is named something like libxtst-dev) and run
configure again.
==========================================================================
])
	sleep 5
fi

if test "x$with_v4l" != "xno"; then
	AC_CHECK_HEADER(linux/videodev.h,
		[AC_DEFINE(HAVE_LINUX_VIDEODEV_H)],,)
fi
if test "x$with_fbdev" != "xno"; then
	AC_CHECK_HEADER(linux/fb.h,
		[AC_DEFINE(HAVE_LINUX_FB_H)],,)
fi
if test "x$with_uinput" != "xno"; then
	AC_CHECK_HEADER(linux/input.h,
		[AC_DEFINE(HAVE_LINUX_INPUT_H) HAVE_LINUX_INPUT_H="true"],,)
	if test "x$HAVE_LINUX_INPUT_H" = "xtrue"; then
		AC_CHECK_HEADER(linux/uinput.h,
			[AC_DEFINE(HAVE_LINUX_UINPUT_H)],, [#include <linux/input.h>])
	fi
fi

if test "x$with_macosx_native" != "xno"; then
	AC_DEFINE(HAVE_MACOSX_NATIVE_DISPLAY)
fi

# Check for OS X opengl header
AC_CHECK_HEADER(OpenGL/OpenGL.h,
	[AC_DEFINE(HAVE_MACOSX_OPENGL_H) HAVE_MACOSX_OPENGL_H="true"],,)

AH_TEMPLATE(HAVE_AVAHI, [Avahi/mDNS client build environment present])
AC_ARG_WITH(avahi,
[  --without-avahi         disable support for Avahi/mDNS]
[  --with-avahi=DIR        use avahi include/library files in DIR],,)
if test "x$with_avahi" != "xno"; then
	printf "checking for avahi... "
	if test ! -z "$with_avahi" -a "x$with_avahi" != "xyes"; then
		AVAHI_CFLAGS="-I$with_avahi/include"
		AVAHI_LIBS="-L$with_avahi/lib -lavahi-common -lavahi-client"
		echo "using $with_avahi"
		with_avahi=yes
	elif pkg-config --atleast-version=0.6.4 avahi-client >/dev/null 2>&1; then
		AVAHI_CFLAGS=`pkg-config --cflags avahi-client`
		AVAHI_LIBS=`pkg-config --libs avahi-client`
		with_avahi=yes
		echo yes
	else
		with_avahi=no
		echo no
	fi
fi
if test "x$with_avahi" = "xyes"; then
	AC_DEFINE(HAVE_AVAHI)
	AC_SUBST(AVAHI_CFLAGS)
	AC_SUBST(AVAHI_LIBS)
fi

fi
# end x11vnc only.

# only used in x11vnc/Makefile.am but needs to always be defined:
AM_CONDITIONAL(OSX_OPENGL, test "$HAVE_MACOSX_OPENGL_H" = "true")

# Checks for libraries.

if test ! -z "$with_system_libvncserver" -a "x$with_system_libvncserver" != "xno"; then
	printf "checking for system libvncserver... "
	vneed="0.9.1"
	if test "X$VNEED" != "X"; then
		vneed=$VNEED
	fi
	if test "x$with_system_libvncserver" != "xyes"; then
		rflag=""
		if test "x$ld_minus_R" = "xno"; then
			:
		elif test "x$GCC" = "xyes"; then
			rflag="-Xlinker -R$with_system_libvncserver/lib"
		else
			rflag="-R$with_system_libvncserver/lib"
		fi
		cmd="$with_system_libvncserver/bin/libvncserver-config"
		if $cmd --version 1>/dev/null 2>&1; then
			cvers=`$cmd --version 2>/dev/null`
			cscore=`echo "$cvers" | tr '.' ' ' | awk '{print 10000 * $1 + 100 * $2 + $3}'`
			nscore=`echo "$vneed" | tr '.' ' ' | awk '{print 10000 * $1 + 100 * $2 + $3}'`

			if test $cscore -lt $nscore; then
				echo "no"
				with_system_libvncserver=no
				AC_MSG_ERROR([
==========================================================================
*** Need libvncserver version $vneed, have version $cvers ***
You are building with a system installed libvncserver and it is not
new enough.
==========================================================================
])
			else
				SYSTEM_LIBVNCSERVER_CFLAGS="-I$with_system_libvncserver/include"
				SYSTEM_LIBVNCSERVER_LIBS="-L$with_system_libvncserver/lib $rflag -lvncserver -lvncclient"
				echo "using $with_system_libvncserver"
				with_system_libvncserver=yes
			fi
		else
			echo " *** cannot run $cmd *** " 1>&2
			with_system_libvncserver=no
			echo no
		fi
	elif libvncserver-config --version 1>/dev/null 2>&1; then
		rflag=""
		rprefix=`libvncserver-config --prefix`
		if test "x$ld_minus_R" = "xno"; then
			:
		elif test "x$GCC" = "xyes"; then
			rflag=" -Xlinker -R$rprefix/lib "
		else
			rflag=" -R$rprefix/lib "
		fi
		cvers=`libvncserver-config --version 2>/dev/null`
		cscore=`echo "$cvers" | tr '.' ' ' | awk '{print 10000 * $1 + 100 * $2 + $3}'`
		nscore=`echo "$vneed" | tr '.' ' ' | awk '{print 10000 * $1 + 100 * $2 + $3}'`

		if test $cscore -lt $nscore; then
			echo "no"
				AC_MSG_ERROR([
==========================================================================
*** Need libvncserver version $vneed, have version $cvers ***
You are building with a system installed libvncserver and it is not
new enough.
==========================================================================
])
		else
			SYSTEM_LIBVNCSERVER_CFLAGS=`libvncserver-config --cflags`
			SYSTEM_LIBVNCSERVER_LIBS="$rflag"`libvncserver-config --libs`
			with_system_libvncserver=yes
			echo yes
		fi
	else
		with_system_libvncserver=no
		echo no
	fi
fi

if test "x$with_system_libvncserver" = "xyes"; then
	AC_DEFINE(HAVE_SYSTEM_LIBVNCSERVER)
	AC_SUBST(SYSTEM_LIBVNCSERVER_CFLAGS)
	AC_SUBST(SYSTEM_LIBVNCSERVER_LIBS)
fi
AM_CONDITIONAL(HAVE_SYSTEM_LIBVNCSERVER, test "x$with_system_libvncserver" = "xyes")


AC_ARG_WITH(jpeg,
[  --without-jpeg          disable support for jpeg]
[  --with-jpeg=DIR         use jpeg include/library files in DIR],,)

# At this point:
#	no jpeg on command line   with_jpeg=""
#	-with-jpeg                with_jpeg="yes"
#	-without-jpeg             with_jpeg="no"
#	-with-jpeg=/foo/dir       with_jpeg="/foo/dir"

HAVE_LIBJPEG_TURBO="false"

if test "x$with_jpeg" != "xno"; then
	AC_ARG_VAR(JPEG_LDFLAGS,
		[Linker flags to use when linking with libjpeg, e.g. -L/foo/dir/lib -Wl,-static -ljpeg -Wl,-shared.  This overrides the linker flags set by --with-jpeg.])
	saved_CPPFLAGS="$CPPFLAGS"
	saved_LDFLAGS="$LDFLAGS"
	saved_LIBS="$LIBS"
	if test ! -z "$with_jpeg" -a "x$with_jpeg" != "xyes"; then
		# add user supplied directory to flags:
		CPPFLAGS="$CPPFLAGS -I$with_jpeg/include"
		LDFLAGS="$LDFLAGS -L$with_jpeg/lib"
		if test "x$ld_minus_R" = "xno"; then
			:
		elif test "x$GCC" = "xyes"; then
			# this is not complete... in general a rat's nest.
			LDFLAGS="$LDFLAGS -Xlinker -R$with_jpeg/lib"
		else
			LDFLAGS="$LDFLAGS -R$with_jpeg/lib"
		fi
	fi
	if test "x$JPEG_LDFLAGS" != "x"; then
		LDFLAGS="$saved_LDFLAGS"
		LIBS="$LIBS $JPEG_LDFLAGS"
	else
		LIBS="-ljpeg"
	fi
	AC_CHECK_HEADER(jpeglib.h, HAVE_JPEGLIB_H="true")
	AC_MSG_CHECKING(for jpeg_CreateCompress in libjpeg)
	if test "x$HAVE_JPEGLIB_H" = "xtrue"; then
		AC_LINK_IFELSE([AC_LANG_CALL([], [jpeg_CreateCompress])],
			[AC_MSG_RESULT(yes);
				AC_DEFINE(HAVE_LIBJPEG, 1, libjpeg support enabled)],
			[AC_MSG_RESULT(no); HAVE_JPEGLIB_H=""])
	fi
	if test "x$HAVE_JPEGLIB_H" != "xtrue"; then
			# restore old flags on failure:
			CPPFLAGS="$saved_CPPFLAGS"
			LDFLAGS="$saved_LDFLAGS"
			LIBS="$saved_LIBS"
			AC_MSG_WARN([
==========================================================================
*** The libjpeg compression library was not found. ***
This may lead to reduced performance, especially over slow links.
If libjpeg is in a non-standard location use --with-jpeg=DIR to
indicate the header file is in DIR/include/jpeglib.h and the library
in DIR/lib/libjpeg.a.  You can also set the JPEG_LDFLAGS variable to
specify more detailed linker flags.  A copy of libjpeg-turbo may be
obtained from:  https://sourceforge.net/projects/libjpeg-turbo/files/
A copy of libjpeg may be obtained from:  http://ijg.org/files/
==========================================================================
])
			sleep 5
		fi

	if test "x$HAVE_JPEGLIB_H" = "xtrue"; then
		AC_MSG_CHECKING(whether JPEG library is libjpeg-turbo)
		m4_define([LJT_TEST],
			[AC_LANG_PROGRAM([#include <stdio.h>
				#include <jpeglib.h>],
			[struct jpeg_compress_struct cinfo;
				struct jpeg_error_mgr jerr;
				cinfo.err=jpeg_std_error(&jerr);
				jpeg_create_compress(&cinfo);
				cinfo.input_components = 3;
				jpeg_set_defaults(&cinfo);
				cinfo.in_color_space = JCS_EXT_RGB;
				jpeg_default_colorspace(&cinfo);
				return 0;])]
		)
		if test "x$cross_compiling" != "xyes"; then
			AC_RUN_IFELSE([LJT_TEST],
				[HAVE_LIBJPEG_TURBO="true"; AC_MSG_RESULT(yes)],
				[AC_MSG_RESULT(no)])
		else
			AC_LINK_IFELSE([LJT_TEST],
				[HAVE_LIBJPEG_TURBO="true"; AC_MSG_RESULT(yes)],
				[AC_MSG_RESULT(no)])
		fi
	fi

	if test "x$HAVE_JPEGLIB_H" = "xtrue" -a "x$HAVE_LIBJPEG_TURBO" != "xtrue"; then
		AC_MSG_WARN([
==========================================================================
*** The libjpeg library you are building against is not libjpeg-turbo.
Performance will be reduced.  You can obtain libjpeg-turbo from:
https://sourceforge.net/projects/libjpeg-turbo/files/ ***
==========================================================================
])
  fi

fi

AC_ARG_WITH(png,
[  --without-png           disable support for png]
[  --with-png=DIR          use png include/library files in DIR],,)

# At this point:
#	no png on command line    with_png=""
#	-with-png                 with_png="yes"
#	-without-png              with_png="no"
#	-with-png=/foo/dir        with_png="/foo/dir"

if test "x$with_png" != "xno"; then
	if test ! -z "$with_png" -a "x$with_png" != "xyes"; then
		# add user supplied directory to flags:
		saved_CPPFLAGS="$CPPFLAGS"
		saved_LDFLAGS="$LDFLAGS"
		CPPFLAGS="$CPPFLAGS -I$with_png/include"
		LDFLAGS="$LDFLAGS -L$with_png/lib"
		if test "x$ld_minus_R" = "xno"; then
			:
		elif test "x$GCC" = "xyes"; then
			# this is not complete... in general a rat's nest.
			LDFLAGS="$LDFLAGS -Xlinker -R$with_png/lib"
		else
			LDFLAGS="$LDFLAGS -R$with_png/lib"
		fi
	fi
	AC_CHECK_HEADER(png.h, HAVE_PNGLIB_H="true")
	if test "x$HAVE_PNGLIB_H" = "xtrue"; then
		AC_CHECK_LIB(png, png_create_write_struct, , HAVE_PNGLIB_H="")
	fi
	if test ! -z "$with_png" -a "x$with_png" != "xyes"; then
		if test "x$HAVE_PNGLIB_H" != "xtrue"; then
			# restore old flags on failure:
			CPPFLAGS="$saved_CPPFLAGS"
			LDFLAGS="$saved_LDFLAGS"
		fi
	fi
	if test "$build_x11vnc" = "yes"; then
		if test "x$HAVE_PNGLIB_H" != "xtrue"; then
			AC_MSG_WARN([
==========================================================================
*** The libpng compression library was not found. ***
This may lead to reduced performance, especially over slow links.
If libpng is in a non-standard location use --with-png=DIR to
indicate the header file is in DIR/include/png.h and the library
in DIR/lib/libpng.a.  A copy of libpng may be obtained from:
http://www.libpng.org/pub/png/libpng.html
==========================================================================
])
			sleep 5
		fi
	fi
fi

AC_ARG_WITH(libz,
[  --without-libz          disable support for deflate],,)
AC_ARG_WITH(zlib,
[  --without-zlib          disable support for deflate]
[  --with-zlib=DIR         use zlib include/library files in DIR],,)

if test "x$with_zlib" != "xno" -a "x$with_libz" != "xno"; then
	if test ! -z "$with_zlib" -a "x$with_zlib" != "xyes"; then
		saved_CPPFLAGS="$CPPFLAGS"
		saved_LDFLAGS="$LDFLAGS"
		CPPFLAGS="$CPPFLAGS -I$with_zlib/include"
		LDFLAGS="$LDFLAGS -L$with_zlib/lib"
		if test "x$ld_minus_R" = "xno"; then
			:
		elif test "x$GCC" = "xyes"; then
			LDFLAGS="$LDFLAGS -Xlinker -R$with_zlib/lib"
		else
			LDFLAGS="$LDFLAGS -R$with_zlib/lib"
		fi
	fi
	AC_CHECK_HEADER(zlib.h, HAVE_ZLIB_H="true")
	if test "x$HAVE_ZLIB_H" = "xtrue"; then
		AC_CHECK_LIB(z, deflate, , HAVE_ZLIB_H="")
	fi
	if test ! -z "$with_zlib" -a "x$with_zlib" != "xyes"; then
		if test "x$HAVE_ZLIB_H" != "xtrue"; then
			CPPFLAGS="$saved_CPPFLAGS"
			LDFLAGS="$saved_LDFLAGS"
		fi
	fi
	if test "$build_x11vnc" = "yes"; then
		if test "x$HAVE_ZLIB_H" != "xtrue"; then
			AC_MSG_WARN([
==========================================================================
*** The libz compression library was not found. ***
This may lead to reduced performance, especially over slow links.
If libz is in a non-standard location use --with-zlib=DIR to indicate the
header file is in DIR/include/zlib.h and the library in DIR/lib/libz.a.
A copy of libz may be obtained from: http://www.gzip.org/zlib/
==========================================================================
])
			sleep 5
		fi
	fi
fi

AC_ARG_WITH(pthread,
[  --without-pthread       disable support for libpthread],,)

if test "x$with_pthread" != "xno"; then
	AC_CHECK_HEADER(pthread.h, HAVE_PTHREAD_H="true")
	if test ! -z "$HAVE_PTHREAD_H"; then
		AC_CHECK_LIB(pthread, pthread_mutex_lock)
		AC_CHECK_LIB(pthread, pthread_mutex_lock, HAVE_LIBPTHREAD="true")
	fi
fi
AM_CONDITIONAL(HAVE_LIBPTHREAD, test ! -z "$HAVE_LIBPTHREAD")

AC_MSG_CHECKING([for __thread])
AC_LINK_IFELSE([AC_LANG_PROGRAM(, [static __thread int p = 0])],
	       [AC_DEFINE(HAVE_TLS, 1,
		      Define to 1 if compiler supports __thread)
		AC_MSG_RESULT([yes])],
	       [AC_MSG_RESULT([no])])

# tightvnc-filetransfer implemented using threads:
if test -z "$HAVE_LIBPTHREAD"; then
	with_tightvnc_filetransfer=""
fi
if test "x$with_tightvnc_filetransfer" = "xyes"; then
	AC_DEFINE(WITH_TIGHTVNC_FILETRANSFER)
fi
AM_CONDITIONAL(WITH_TIGHTVNC_FILETRANSFER, test "$with_tightvnc_filetransfer" = "yes")

# websockets implemented using base64 from resolve
if test "x$HAVE_B64" != "xtrue"; then
	with_websockets=""
fi
if test "x$with_websockets" = "xyes"; then
	LIBS="$LIBS $RESOLV_LIB $SSL_LIBS"
	AC_DEFINE(WITH_WEBSOCKETS)
fi
AM_CONDITIONAL(WITH_WEBSOCKETS, test "$with_websockets" = "yes")

AM_CONDITIONAL(HAVE_LIBZ, test ! -z "$HAVE_ZLIB_H")
AM_CONDITIONAL(HAVE_LIBJPEG, test ! -z "$HAVE_JPEGLIB_H")
AM_CONDITIONAL(HAVE_LIBPNG, test ! -z "$HAVE_PNGLIB_H")


SDLCONFIG="sdl-config"
AC_ARG_WITH(sdl-config,
[[  --with-sdl-config=FILE
    Use the given path to sdl-config when determining
    SDL configuration; defaults to "sdl-config"]],
[
    if test "$withval" != "yes" -a "$withval" != ""; then
        SDLCONFIG=$withval
    fi
])

if test -z "$with_sdl"; then
	if $SDLCONFIG --version >/dev/null 2>&1; then
		with_sdl=yes
		SDL_CFLAGS=`$SDLCONFIG --cflags`
		SDL_LIBS=`$SDLCONFIG --libs`
	else
		with_sdl=no
	fi
fi
AM_CONDITIONAL(HAVE_LIBSDL, test "x$with_sdl" = "xyes")
AC_SUBST(SDL_CFLAGS)
AC_SUBST(SDL_LIBS)


# Check for GTK+. if present, build the GTK+ vnc viewer example
PKG_CHECK_MODULES([GTK], [gtk+-2.0],,:)
AM_CONDITIONAL(HAVE_LIBGTK, test ! -z "$GTK_LIBS")

AC_CANONICAL_HOST
MINGW=`echo $host_os | grep mingw32  2>/dev/null`
AM_CONDITIONAL(MINGW, test ! -z "$MINGW" )
if test ! -z "$MINGW"; then
	WSOCKLIB="-lws2_32"
	LDFLAGS="$LDFLAGS -no-undefined"
fi
AC_SUBST(WSOCKLIB)

# Check for libgcrypt
AH_TEMPLATE(WITH_CLIENT_GCRYPT, [Enable support for libgcrypt in libvncclient])
AC_ARG_WITH(gcrypt,
[  --without-gcrypt        disable support for gcrypt],,)
AC_ARG_WITH(client-gcrypt,
[  --without-client-gcrypt disable support for gcrypt in libvncclient],,)

if test "x$with_gcrypt" != "xno"; then
	AM_PATH_LIBGCRYPT(1.4.0, , with_client_gcrypt=no)
	CFLAGS="$CFLAGS $LIBGCRYPT_CFLAGS"
	LIBS="$LIBS $LIBGCRYPT_LIBS"
	if test "x$with_client_gcrypt" != "xno"; then
		AC_DEFINE(WITH_CLIENT_GCRYPT)
	fi
fi

# Checks for GnuTLS
AH_TEMPLATE(HAVE_GNUTLS, [GnuTLS library present])
AC_ARG_WITH(gnutls,
[  --without-gnutls        disable support for gnutls]
[  --with-gnutls=DIR       use gnutls include/library files in DIR],,)

if test "x$with_gnutls" != "xno"; then
	PKG_CHECK_MODULES(GNUTLS, gnutls >= 2.4.0,,:)
	CFLAGS="$CFLAGS $GNUTLS_CFLAGS"
	LIBS="$LIBS $GNUTLS_LIBS"
fi
AM_CONDITIONAL(HAVE_GNUTLS, test ! -z "$GNUTLS_LIBS")
if test ! -z "$GNUTLS_LIBS" ; then
  AC_DEFINE(HAVE_GNUTLS)
fi


# warn if neither GnuTLS nor OpenSSL are available
if test -z "$SSL_LIBS" -a -z "$GNUTLS_LIBS"; then
		AC_MSG_WARN([
==========================================================================
*** No encryption library could be found. ***
A libvncserver/libvncclient built this way will not support SSL encryption.
To enable SSL install the necessary development packages (perhaps it is named
something like libssl-dev or gnutls-dev) and run configure again.
==========================================================================
])
	sleep 5
fi


# IPv6
AH_TEMPLATE(IPv6, [Enable IPv6 support])
AC_ARG_WITH(ipv6,
[  --without-ipv6          disable IPv6 support],,)
if test "x$with_ipv6" != "xno"; then
	AC_CHECK_FUNC(getaddrinfo, AC_DEFINE(IPv6,1),
		AC_CHECK_LIB(socket, getaddrinfo, AC_DEFINE(IPv6,1), [
			AC_MSG_CHECKING([for getaddrinfo in -lws2_32])
		        LIBS="$LIBS -lws2_32"
		        AC_TRY_LINK([#include <ws2tcpip.h>], [getaddrinfo(0, 0, 0, 0);], [
				      AC_DEFINE(IPv6,1)
		                      AC_MSG_RESULT([yes])
				      ],
				    AC_MSG_RESULT([no]))
                   ]))
fi



# Checks for header files.
AC_HEADER_STDC
AC_CHECK_HEADERS([arpa/inet.h endian.h fcntl.h netdb.h netinet/in.h stdlib.h string.h sys/endian.h sys/socket.h sys/time.h sys/timeb.h syslog.h unistd.h ws2tcpip.h])

# x11vnc only:
if test "$build_x11vnc" = "yes"; then
	AC_CHECK_HEADERS([pwd.h sys/wait.h utmpx.h termios.h sys/ioctl.h sys/stropts.h])
fi

# Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
AC_C_INLINE
AC_C_BIGENDIAN
AC_TYPE_SIZE_T
AC_HEADER_TIME
AC_HEADER_SYS_WAIT
AC_TYPE_SOCKLEN_T
if test ! -d ./rfb; then
	echo "creating subdir ./rfb for rfbint.h"
	mkdir ./rfb 
fi
AC_CREATE_STDINT_H(rfb/rfbint.h)
AC_CACHE_CHECK([for in_addr_t],
        vnc_cv_inaddrt, [
                AC_TRY_COMPILE([#include <sys/types.h>
#include <netinet/in.h>],
                        [in_addr_t foo; return 0;],
                                        [inaddrt=yes],
                                        [inaddrt=no]),
        ])
AH_TEMPLATE(NEED_INADDR_T, [Need a typedef for in_addr_t])
if test $inaddrt = no ; then
  AC_DEFINE(NEED_INADDR_T)
fi
# Checks for library functions.
AC_FUNC_MEMCMP
AC_FUNC_STAT
AC_FUNC_STRFTIME
AC_FUNC_VPRINTF
AC_FUNC_FORK
AC_CHECK_LIB(nsl,gethostbyname)
AC_CHECK_LIB(socket,socket)

uname_s=`(uname -s) 2>/dev/null`
if test "x$uname_s" = "xHP-UX"; then
	# need -lsec for getspnam()
	LDFLAGS="$LDFLAGS -lsec"
fi

AC_CHECK_FUNCS([ftime gethostbyname gethostname gettimeofday inet_ntoa memmove memset mmap mkfifo select socket strchr strcspn strdup strerror strstr])
# x11vnc only:
if test "$build_x11vnc" = "yes"; then
	AC_CHECK_FUNCS([setsid setpgrp getpwuid getpwnam getspnam getuid geteuid setuid setgid seteuid setegid initgroups waitpid setutxent grantpt shmat])
fi

# check, if shmget is in cygipc.a
AC_CHECK_LIB(cygipc,shmget)
AM_CONDITIONAL(CYGIPC, test "$HAVE_CYGIPC" = "true")

# Check if /usr/include/linux exists, if so, define LINUX
AM_CONDITIONAL(LINUX, test -d /usr/include/linux)

# Check for OS X specific header
AC_CHECK_HEADER(ApplicationServices/ApplicationServices.h, HAVE_OSX="true")
AM_CONDITIONAL(OSX, test "$HAVE_OSX" = "true")

# Check for Android specific header
AC_CHECK_HEADER(android/api-level.h, HAVE_ANDROID="true")
AM_CONDITIONAL(ANDROID, test "$HAVE_ANDROID" = "true")
if test "$HAVE_ANDROID" = "true"; then
	AC_DEFINE(HAVE_ANDROID, 1, [Android host system detected])
fi

# On Solaris 2.7, write() returns ENOENT when it really means EAGAIN
AH_TEMPLATE(ENOENT_WORKAROUND, [work around when write() returns ENOENT but does not mean it])
case `(uname -sr) 2>/dev/null` in
    "SunOS 5.7")
	AC_DEFINE(ENOENT_WORKAROUND)
    ;;
esac

# Check for rpm SOURCES path
printf "checking for rpm sources path... "
RPMSOURCEDIR="NOT-FOUND"
for directory in packages OpenLinux redhat RedHat rpm RPM "" ; do
	if test -d /usr/src/${directory}/SOURCES; then
		RPMSOURCEDIR="/usr/src/${directory}/SOURCES/"
	fi
done
echo "$RPMSOURCEDIR"
AM_CONDITIONAL(HAVE_RPM, test "$RPMSOURCEDIR" != "NOT-FOUND")
AM_CONDITIONAL(WITH_X11VNC,  test "$build_x11vnc" = "yes")
AC_SUBST(RPMSOURCEDIR)

AC_CONFIG_FILES([Makefile
	libvncserver.pc
	libvncclient.pc
	libvncserver/Makefile
	examples/Makefile
	examples/android/Makefile
	vncterm/Makefile
	webclients/Makefile
	webclients/java-applet/Makefile
	webclients/java-applet/ssl/Makefile
	libvncclient/Makefile
	client_examples/Makefile
	test/Makefile
	libvncserver-config
	LibVNCServer.spec])
#
# x11vnc only:
#
if test "$build_x11vnc" = "yes"; then
	#
	# NOTE: if you are using the LibVNCServer-X.Y.Z.tar.gz source
	# tarball and nevertheless want to run autoconf (i.e. aclocal,
	# autoheader, automake, autoconf) AGAIN (perhaps you have a
	# special target system, e.g. embedded) then you will need to
	# comment out the following 'AC_CONFIG_FILES' line to avoid
	# automake error messages like:
	#
	# configure.ac:690: required file `x11vnc/Makefile.in' not found
	#
	AC_CONFIG_FILES([x11vnc/Makefile x11vnc/misc/Makefile x11vnc/misc/turbovnc/Makefile])

	if test ! -z "$with_system_libvncserver" -a "x$with_system_libvncserver" != "xno"; then
		# need to move local tarball rfb headers aside:
		hdrs="rfb.h rfbclient.h rfbproto.h rfbregion.h rfbint.h"
		echo "with-system-libvncserver: moving aside headers $hdrs"
		for hdr in $hdrs
		do
			if test -f "rfb/$hdr"; then
				echo "with-system-libvncserver: moving rfb/$hdr to rfb/$hdr.ORIG"
				mv rfb/$hdr rfb/$hdr.ORIG
			fi
		done
		echo "with-system-libvncserver: *NOTE* move them back manually to start over."
	fi
fi

AC_CONFIG_COMMANDS([chmod-libvncserver-config],[chmod a+x libvncserver-config])
AC_OUTPUT
chmod a+x ./libvncserver-config