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1# Process this file with autoconf to produce a configure script.
2AC_INIT(LibVNCServer, 0.9.10, https://github.com/LibVNC/libvncserver)
3AM_INIT_AUTOMAKE([subdir-objects])
4m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
5AM_CONFIG_HEADER(rfbconfig.h)
6AX_PREFIX_CONFIG_H([rfb/rfbconfig.h])
7AC_CONFIG_MACRO_DIR([m4])
8
9
10# set detailed version info
11AC_DEFINE(VERSION_MAJOR, 0, LibVNCServer major version)
12AC_DEFINE(VERSION_MINOR, 9, LibVNCServer minor version)
13AC_DEFINE(VERSION_PATCHLEVEL, 10, LibVNCServer patchlevel)
14
15# Checks for programs.
16AC_PROG_CC
17AM_PROG_CC_C_O
18if test -z "$CC"; then
19	CCLD="\$(CC)"
20else
21	CCLD="$CC"
22fi
23test "x$GCC" = "xyes" && CFLAGS="$CFLAGS -Wall"
24AC_PROG_MAKE_SET
25AC_LIBTOOL_WIN32_DLL
26AC_PROG_LIBTOOL
27AC_PATH_PROG([AR], [ar], [/usr/bin/ar],
28                  [$PATH:/usr/ccs/bin])
29
30# Options
31AH_TEMPLATE(WITH_TIGHTVNC_FILETRANSFER, [Disable TightVNCFileTransfer protocol])
32AC_ARG_WITH(tightvnc-filetransfer,
33	[  --without-filetransfer  disable TightVNC file transfer protocol],
34	, [ with_tightvnc_filetransfer=yes ])
35# AC_DEFINE moved to after libpthread check.
36
37# WebSockets support
38AC_CHECK_FUNC(__b64_ntop, HAVE_B64_IN_LIBC="true", HAVE_B64_IN_LIBC="false")
39if test "x$HAVE_B64_IN_LIBC" != "xtrue"; then
40	AC_CHECK_LIB(resolv, __b64_ntop, HAVE_B64_IN_LIBRESOLV="true", HAVE_B64_IN_LIBRESOLV="false")
41	if test "x$HAVE_B64_IN_LIBRESOLV" = "xtrue"; then
42		RESOLV_LIB="-lresolv"
43		HAVE_B64="true"
44	fi
45else
46	HAVE_B64="true"
47fi
48AH_TEMPLATE(WITH_WEBSOCKETS, [Disable WebSockets support])
49AC_ARG_WITH(websockets,
50	[  --without-websockets    disable WebSockets support],
51	, [ with_websockets=yes ])
52# AC_DEFINE moved to after libresolve check.
53
54AH_TEMPLATE(ALLOW24BPP, [Enable 24 bit per pixel in native framebuffer])
55AC_ARG_WITH(24bpp,
56	[  --without-24bpp         disable 24 bpp framebuffers],
57	, [ with_24bpp=yes ])
58if test "x$with_24bpp" = "xyes"; then
59	AC_DEFINE(ALLOW24BPP)
60fi
61AH_TEMPLATE(FFMPEG, [Use ffmpeg (for vnc2mpg)])
62AC_ARG_WITH(ffmpeg,
63	[  --with-ffmpeg=dir       set ffmpeg home directory],,)
64AC_SUBST(with_ffmpeg)
65AM_CONDITIONAL(WITH_FFMPEG, test ! -z "$with_ffmpeg")
66if test ! -z "$with_ffmpeg"; then
67	AC_CHECK_LIB(mp3lame, lame_init, HAVE_MP3LAME="true", HAVE_MP3LAME="false" )
68fi
69AM_CONDITIONAL(HAVE_MP3LAME, test "$HAVE_MP3LAME" = "true")
70
71# Seem to need this dummy here to induce the 'checking for egrep... grep -E', etc.
72# before it seemed to be inside the with_jpeg conditional.
73AC_CHECK_HEADER(thenonexistentheader.h, HAVE_THENONEXISTENTHEADER_H="true")
74
75# set some ld -R nonsense
76#
77uname_s=`(uname -s) 2>/dev/null`
78ld_minus_R="yes"
79if test "x$uname_s" = "xHP-UX"; then
80	ld_minus_R="no"
81elif test "x$uname_s" = "xOSF1"; then
82	ld_minus_R="no"
83elif test "x$uname_s" = "xDarwin"; then
84	ld_minus_R="no"
85fi
86
87# Check for OpenSSL
88AH_TEMPLATE(HAVE_LIBCRYPT, [libcrypt library present])
89AC_ARG_WITH(crypt,
90[  --without-crypt         disable support for libcrypt],,)
91if test "x$with_crypt" != "xno"; then
92	AC_CHECK_FUNCS([crypt], HAVE_LIBC_CRYPT="true")
93	if test -z "$HAVE_LIBC_CRYPT"; then
94		AC_CHECK_LIB(crypt, crypt,
95			CRYPT_LIBS="-lcrypt"
96			[AC_DEFINE(HAVE_LIBCRYPT)], ,)
97	fi
98fi
99AC_SUBST(CRYPT_LIBS)
100
101# some OS's need both -lssl and -lcrypto on link line:
102AH_TEMPLATE(HAVE_LIBCRYPTO, [openssl libcrypto library present])
103AC_ARG_WITH(crypto,
104[  --without-crypto        disable support for openssl libcrypto],,)
105
106AH_TEMPLATE(HAVE_LIBSSL, [openssl libssl library present])
107AC_ARG_WITH(ssl,
108[  --without-ssl           disable support for openssl libssl]
109[  --with-ssl=DIR          use openssl include/library files in DIR],,)
110
111if test "x$with_crypto" != "xno" -a "x$with_ssl" != "xno"; then
112	if test ! -z "$with_ssl" -a "x$with_ssl" != "xyes"; then
113		saved_CPPFLAGS="$CPPFLAGS"
114		saved_LDFLAGS="$LDFLAGS"
115		CPPFLAGS="$CPPFLAGS -I$with_ssl/include"
116		LDFLAGS="$LDFLAGS -L$with_ssl/lib"
117		if test "x$ld_minus_R" = "xno"; then
118			:
119		elif test "x$GCC" = "xyes"; then
120			LDFLAGS="$LDFLAGS -Xlinker -R$with_ssl/lib"
121		else
122			LDFLAGS="$LDFLAGS -R$with_ssl/lib"
123		fi
124	fi
125	AC_CHECK_LIB(crypto, RAND_file_name,
126		[AC_DEFINE(HAVE_LIBCRYPTO) HAVE_LIBCRYPTO="true"], ,)
127	if test ! -z "$with_ssl" -a "x$with_ssl" != "xyes"; then
128		if test "x$HAVE_LIBCRYPTO" != "xtrue"; then
129			CPPFLAGS="$saved_CPPFLAGS"
130			LDFLAGS="$saved_LDFLAGS"
131		fi
132	fi
133fi
134
135AH_TEMPLATE(HAVE_X509_PRINT_EX_FP, [open ssl X509_print_ex_fp available])
136if test "x$with_ssl" != "xno"; then
137	if test "x$HAVE_LIBCRYPTO" = "xtrue"; then
138		AC_CHECK_LIB(ssl, SSL_library_init,
139			SSL_LIBS="-lssl -lcrypto"
140			[AC_DEFINE(HAVE_LIBSSL) HAVE_LIBSSL="true"], ,
141			-lcrypto)
142	else
143		AC_CHECK_LIB(ssl, SSL_library_init,
144			SSL_LIBS="-lssl"
145			[AC_DEFINE(HAVE_LIBSSL) HAVE_LIBSSL="true"], ,)
146	fi
147fi
148AC_SUBST(SSL_LIBS)
149AM_CONDITIONAL(HAVE_LIBSSL, test ! -z "$SSL_LIBS")
150
151
152# See if we want libva support
153# TODO: check if library actually exists
154AH_TEMPLATE(CONFIG_LIBVA, [Build libva support])
155AC_ARG_WITH(libva,
156[  --with-libva                   build libva support],,)
157if test "x$with_libva" != "xno"; then
158    AC_CHECK_LIB(va, vaInitialize,
159        VA_LIBS="-lva -lva-x11"
160        [AC_DEFINE(CONFIG_LIBVA) CONFIG_LIBVA="true"], ,)
161fi
162AC_SUBST(VA_LIBS)
163AM_CONDITIONAL(CONFIG_LIBVA, test ! -z "$VA_LIBS")
164
165
166
167AC_ARG_WITH(jpeg,
168[  --without-jpeg          disable support for jpeg]
169[  --with-jpeg=DIR         use jpeg include/library files in DIR],,)
170
171# At this point:
172#	no jpeg on command line   with_jpeg=""
173#	-with-jpeg                with_jpeg="yes"
174#	-without-jpeg             with_jpeg="no"
175#	-with-jpeg=/foo/dir       with_jpeg="/foo/dir"
176
177HAVE_LIBJPEG_TURBO="false"
178
179if test "x$with_jpeg" != "xno"; then
180	AC_ARG_VAR(JPEG_LDFLAGS,
181		[Linker flags to use when linking with libjpeg, e.g. -L/foo/dir/lib -Wl,-static -ljpeg -Wl,-shared.  This overrides the linker flags set by --with-jpeg.])
182	saved_CPPFLAGS="$CPPFLAGS"
183	saved_LDFLAGS="$LDFLAGS"
184	saved_LIBS="$LIBS"
185	if test ! -z "$with_jpeg" -a "x$with_jpeg" != "xyes"; then
186		# add user supplied directory to flags:
187		CPPFLAGS="$CPPFLAGS -I$with_jpeg/include"
188		LDFLAGS="$LDFLAGS -L$with_jpeg/lib"
189		if test "x$ld_minus_R" = "xno"; then
190			:
191		elif test "x$GCC" = "xyes"; then
192			# this is not complete... in general a rat's nest.
193			LDFLAGS="$LDFLAGS -Xlinker -R$with_jpeg/lib"
194		else
195			LDFLAGS="$LDFLAGS -R$with_jpeg/lib"
196		fi
197	fi
198	if test "x$JPEG_LDFLAGS" != "x"; then
199		LDFLAGS="$saved_LDFLAGS"
200		LIBS="$LIBS $JPEG_LDFLAGS"
201	else
202		LIBS="-ljpeg"
203	fi
204	AC_CHECK_HEADER(jpeglib.h, HAVE_JPEGLIB_H="true")
205	AC_MSG_CHECKING(for jpeg_CreateCompress in libjpeg)
206	if test "x$HAVE_JPEGLIB_H" = "xtrue"; then
207		AC_LINK_IFELSE([AC_LANG_CALL([], [jpeg_CreateCompress])],
208			[AC_MSG_RESULT(yes);
209				AC_DEFINE(HAVE_LIBJPEG, 1, libjpeg support enabled)],
210			[AC_MSG_RESULT(no); HAVE_JPEGLIB_H=""])
211	fi
212	if test "x$HAVE_JPEGLIB_H" != "xtrue"; then
213			# restore old flags on failure:
214			CPPFLAGS="$saved_CPPFLAGS"
215			LDFLAGS="$saved_LDFLAGS"
216			LIBS="$saved_LIBS"
217			AC_MSG_WARN([
218==========================================================================
219*** The libjpeg compression library was not found. ***
220This may lead to reduced performance, especially over slow links.
221If libjpeg is in a non-standard location use --with-jpeg=DIR to
222indicate the header file is in DIR/include/jpeglib.h and the library
223in DIR/lib/libjpeg.a.  You can also set the JPEG_LDFLAGS variable to
224specify more detailed linker flags.  A copy of libjpeg-turbo may be
225obtained from:  https://sourceforge.net/projects/libjpeg-turbo/files/
226A copy of libjpeg may be obtained from:  http://ijg.org/files/
227==========================================================================
228])
229			sleep 5
230		fi
231
232	if test "x$HAVE_JPEGLIB_H" = "xtrue"; then
233		AC_MSG_CHECKING(whether JPEG library is libjpeg-turbo)
234		m4_define([LJT_TEST],
235			[AC_LANG_PROGRAM([#include <stdio.h>
236				#include <jpeglib.h>],
237			[struct jpeg_compress_struct cinfo;
238				struct jpeg_error_mgr jerr;
239				cinfo.err=jpeg_std_error(&jerr);
240				jpeg_create_compress(&cinfo);
241				cinfo.input_components = 3;
242				jpeg_set_defaults(&cinfo);
243				cinfo.in_color_space = JCS_EXT_RGB;
244				jpeg_default_colorspace(&cinfo);
245				return 0;])]
246		)
247		if test "x$cross_compiling" != "xyes"; then
248			AC_RUN_IFELSE([LJT_TEST],
249				[HAVE_LIBJPEG_TURBO="true"; AC_MSG_RESULT(yes)],
250				[AC_MSG_RESULT(no)])
251		else
252			AC_LINK_IFELSE([LJT_TEST],
253				[HAVE_LIBJPEG_TURBO="true"; AC_MSG_RESULT(yes)],
254				[AC_MSG_RESULT(no)])
255		fi
256	fi
257
258	if test "x$HAVE_JPEGLIB_H" = "xtrue" -a "x$HAVE_LIBJPEG_TURBO" != "xtrue"; then
259		AC_MSG_WARN([
260==========================================================================
261*** The libjpeg library you are building against is not libjpeg-turbo.
262Performance will be reduced.  You can obtain libjpeg-turbo from:
263https://sourceforge.net/projects/libjpeg-turbo/files/ ***
264==========================================================================
265])
266  fi
267
268fi
269
270AC_ARG_WITH(png,
271[  --without-png           disable support for png]
272[  --with-png=DIR          use png include/library files in DIR],,)
273
274# At this point:
275#	no png on command line    with_png=""
276#	-with-png                 with_png="yes"
277#	-without-png              with_png="no"
278#	-with-png=/foo/dir        with_png="/foo/dir"
279
280if test "x$with_png" != "xno"; then
281	if test ! -z "$with_png" -a "x$with_png" != "xyes"; then
282		# add user supplied directory to flags:
283		saved_CPPFLAGS="$CPPFLAGS"
284		saved_LDFLAGS="$LDFLAGS"
285		CPPFLAGS="$CPPFLAGS -I$with_png/include"
286		LDFLAGS="$LDFLAGS -L$with_png/lib"
287		if test "x$ld_minus_R" = "xno"; then
288			:
289		elif test "x$GCC" = "xyes"; then
290			# this is not complete... in general a rat's nest.
291			LDFLAGS="$LDFLAGS -Xlinker -R$with_png/lib"
292		else
293			LDFLAGS="$LDFLAGS -R$with_png/lib"
294		fi
295	fi
296	AC_CHECK_HEADER(png.h, HAVE_PNGLIB_H="true")
297	if test "x$HAVE_PNGLIB_H" = "xtrue"; then
298		AC_CHECK_LIB(png, png_create_write_struct, , HAVE_PNGLIB_H="")
299	fi
300	if test ! -z "$with_png" -a "x$with_png" != "xyes"; then
301		if test "x$HAVE_PNGLIB_H" != "xtrue"; then
302			# restore old flags on failure:
303			CPPFLAGS="$saved_CPPFLAGS"
304			LDFLAGS="$saved_LDFLAGS"
305		fi
306	fi
307		if test "x$HAVE_PNGLIB_H" != "xtrue"; then
308			AC_MSG_WARN([
309==========================================================================
310*** The libpng compression library was not found. ***
311This may lead to reduced performance, especially over slow links.
312If libpng is in a non-standard location use --with-png=DIR to
313indicate the header file is in DIR/include/png.h and the library
314in DIR/lib/libpng.a.  A copy of libpng may be obtained from:
315http://www.libpng.org/pub/png/libpng.html
316==========================================================================
317])
318			sleep 5
319		fi
320fi
321
322AC_ARG_WITH(libz,
323[  --without-libz          disable support for deflate],,)
324AC_ARG_WITH(zlib,
325[  --without-zlib          disable support for deflate]
326[  --with-zlib=DIR         use zlib include/library files in DIR],,)
327
328if test "x$with_zlib" != "xno" -a "x$with_libz" != "xno"; then
329	if test ! -z "$with_zlib" -a "x$with_zlib" != "xyes"; then
330		saved_CPPFLAGS="$CPPFLAGS"
331		saved_LDFLAGS="$LDFLAGS"
332		CPPFLAGS="$CPPFLAGS -I$with_zlib/include"
333		LDFLAGS="$LDFLAGS -L$with_zlib/lib"
334		if test "x$ld_minus_R" = "xno"; then
335			:
336		elif test "x$GCC" = "xyes"; then
337			LDFLAGS="$LDFLAGS -Xlinker -R$with_zlib/lib"
338		else
339			LDFLAGS="$LDFLAGS -R$with_zlib/lib"
340		fi
341	fi
342	AC_CHECK_HEADER(zlib.h, HAVE_ZLIB_H="true")
343	if test "x$HAVE_ZLIB_H" = "xtrue"; then
344		AC_CHECK_LIB(z, deflate, , HAVE_ZLIB_H="")
345	fi
346	if test ! -z "$with_zlib" -a "x$with_zlib" != "xyes"; then
347		if test "x$HAVE_ZLIB_H" != "xtrue"; then
348			CPPFLAGS="$saved_CPPFLAGS"
349			LDFLAGS="$saved_LDFLAGS"
350		fi
351	fi
352		if test "x$HAVE_ZLIB_H" != "xtrue"; then
353			AC_MSG_WARN([
354==========================================================================
355*** The libz compression library was not found. ***
356This may lead to reduced performance, especially over slow links.
357If libz is in a non-standard location use --with-zlib=DIR to indicate the
358header file is in DIR/include/zlib.h and the library in DIR/lib/libz.a.
359A copy of libz may be obtained from: http://www.gzip.org/zlib/
360==========================================================================
361])
362			sleep 5
363		fi
364fi
365
366AC_ARG_WITH(pthread,
367[  --without-pthread       disable support for libpthread],,)
368
369if test "x$with_pthread" != "xno"; then
370	AC_CHECK_HEADER(pthread.h, HAVE_PTHREAD_H="true")
371	if test ! -z "$HAVE_PTHREAD_H"; then
372		AC_CHECK_LIB(pthread, pthread_mutex_lock)
373		AC_CHECK_LIB(pthread, pthread_mutex_lock, HAVE_LIBPTHREAD="true")
374	fi
375fi
376AM_CONDITIONAL(HAVE_LIBPTHREAD, test ! -z "$HAVE_LIBPTHREAD")
377
378AC_MSG_CHECKING([for __thread])
379AC_LINK_IFELSE([AC_LANG_PROGRAM(, [static __thread int p = 0])],
380	       [AC_DEFINE(HAVE_TLS, 1,
381		      Define to 1 if compiler supports __thread)
382		AC_MSG_RESULT([yes])],
383	       [AC_MSG_RESULT([no])])
384
385# tightvnc-filetransfer implemented using threads:
386if test -z "$HAVE_LIBPTHREAD"; then
387	with_tightvnc_filetransfer=""
388fi
389if test "x$with_tightvnc_filetransfer" = "xyes"; then
390	AC_DEFINE(WITH_TIGHTVNC_FILETRANSFER)
391fi
392AM_CONDITIONAL(WITH_TIGHTVNC_FILETRANSFER, test "$with_tightvnc_filetransfer" = "yes")
393
394# websockets implemented using base64 from resolve
395if test "x$HAVE_B64" != "xtrue"; then
396	with_websockets=""
397fi
398if test "x$with_websockets" = "xyes"; then
399	LIBS="$LIBS $RESOLV_LIB $SSL_LIBS"
400	AC_DEFINE(WITH_WEBSOCKETS)
401fi
402AM_CONDITIONAL(WITH_WEBSOCKETS, test "$with_websockets" = "yes")
403
404AM_CONDITIONAL(HAVE_LIBZ, test ! -z "$HAVE_ZLIB_H")
405AM_CONDITIONAL(HAVE_LIBJPEG, test ! -z "$HAVE_JPEGLIB_H")
406AM_CONDITIONAL(HAVE_LIBPNG, test ! -z "$HAVE_PNGLIB_H")
407
408
409SDLCONFIG="sdl-config"
410AC_ARG_WITH(sdl-config,
411[[  --with-sdl-config=FILE
412    Use the given path to sdl-config when determining
413    SDL configuration; defaults to "sdl-config"]],
414[
415    if test "$withval" != "yes" -a "$withval" != ""; then
416        SDLCONFIG=$withval
417    fi
418])
419
420if test -z "$with_sdl"; then
421	if $SDLCONFIG --version >/dev/null 2>&1; then
422		with_sdl=yes
423		SDL_CFLAGS=`$SDLCONFIG --cflags`
424		SDL_LIBS=`$SDLCONFIG --libs`
425	else
426		with_sdl=no
427	fi
428fi
429AM_CONDITIONAL(HAVE_LIBSDL, test "x$with_sdl" = "xyes")
430AC_SUBST(SDL_CFLAGS)
431AC_SUBST(SDL_LIBS)
432
433
434# Check for GTK+. if present, build the GTK+ vnc viewer example
435PKG_CHECK_MODULES([GTK], [gtk+-2.0],,:)
436AM_CONDITIONAL(HAVE_LIBGTK, test ! -z "$GTK_LIBS")
437
438AC_CANONICAL_HOST
439MINGW=`echo $host_os | grep mingw32  2>/dev/null`
440AM_CONDITIONAL(MINGW, test ! -z "$MINGW" )
441if test ! -z "$MINGW"; then
442	WSOCKLIB="-lws2_32"
443	LDFLAGS="$LDFLAGS -no-undefined"
444fi
445AC_SUBST(WSOCKLIB)
446
447# Check for libgcrypt
448AH_TEMPLATE(WITH_CLIENT_GCRYPT, [Enable support for libgcrypt in libvncclient])
449AC_ARG_WITH(gcrypt,
450[  --without-gcrypt        disable support for gcrypt],,)
451AC_ARG_WITH(client-gcrypt,
452[  --without-client-gcrypt disable support for gcrypt in libvncclient],,)
453
454if test "x$with_gcrypt" != "xno"; then
455	AM_PATH_LIBGCRYPT(1.4.0, , with_client_gcrypt=no)
456	CFLAGS="$CFLAGS $LIBGCRYPT_CFLAGS"
457	LIBS="$LIBS $LIBGCRYPT_LIBS"
458	if test "x$with_client_gcrypt" != "xno"; then
459		AC_DEFINE(WITH_CLIENT_GCRYPT)
460	fi
461fi
462
463# Checks for GnuTLS
464AH_TEMPLATE(HAVE_GNUTLS, [GnuTLS library present])
465AC_ARG_WITH(gnutls,
466[  --without-gnutls        disable support for gnutls]
467[  --with-gnutls=DIR       use gnutls include/library files in DIR],,)
468
469if test "x$with_gnutls" != "xno"; then
470	PKG_CHECK_MODULES(GNUTLS, gnutls >= 2.4.0,,:)
471	CFLAGS="$CFLAGS $GNUTLS_CFLAGS"
472	LIBS="$LIBS $GNUTLS_LIBS"
473fi
474AM_CONDITIONAL(HAVE_GNUTLS, test ! -z "$GNUTLS_LIBS")
475if test ! -z "$GNUTLS_LIBS" ; then
476  AC_DEFINE(HAVE_GNUTLS)
477fi
478
479
480# warn if neither GnuTLS nor OpenSSL are available
481if test -z "$SSL_LIBS" -a -z "$GNUTLS_LIBS"; then
482		AC_MSG_WARN([
483==========================================================================
484*** No encryption library could be found. ***
485A libvncserver/libvncclient built this way will not support SSL encryption.
486To enable SSL install the necessary development packages (perhaps it is named
487something like libssl-dev or gnutls-dev) and run configure again.
488==========================================================================
489])
490	sleep 5
491fi
492
493
494# IPv6
495AH_TEMPLATE(IPv6, [Enable IPv6 support])
496AC_ARG_WITH(ipv6,
497[  --without-ipv6          disable IPv6 support],,)
498if test "x$with_ipv6" != "xno"; then
499	AC_CHECK_FUNC(getaddrinfo, AC_DEFINE(IPv6,1),
500		AC_CHECK_LIB(socket, getaddrinfo, AC_DEFINE(IPv6,1), [
501			AC_MSG_CHECKING([for getaddrinfo in -lws2_32])
502		        LIBS="$LIBS -lws2_32"
503		        AC_TRY_LINK([#include <ws2tcpip.h>], [getaddrinfo(0, 0, 0, 0);], [
504				      AC_DEFINE(IPv6,1)
505		                      AC_MSG_RESULT([yes])
506				      ],
507				    AC_MSG_RESULT([no]))
508                   ]))
509fi
510
511
512
513# Checks for header files.
514AC_HEADER_STDC
515AC_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])
516
517# Checks for typedefs, structures, and compiler characteristics.
518AC_C_CONST
519AC_C_INLINE
520AC_C_BIGENDIAN
521AC_TYPE_SIZE_T
522AC_HEADER_TIME
523AC_HEADER_SYS_WAIT
524AX_TYPE_SOCKLEN_T
525if test ! -d ./rfb; then
526	echo "creating subdir ./rfb for rfbint.h"
527	mkdir ./rfb
528fi
529AX_CREATE_STDINT_H(rfb/rfbint.h)
530AC_CACHE_CHECK([for in_addr_t],
531        vnc_cv_inaddrt, [
532                AC_TRY_COMPILE([#include <sys/types.h>
533#include <netinet/in.h>],
534                        [in_addr_t foo; return 0;],
535                                        [inaddrt=yes],
536                                        [inaddrt=no]),
537        ])
538AH_TEMPLATE(NEED_INADDR_T, [Need a typedef for in_addr_t])
539if test $inaddrt = no ; then
540  AC_DEFINE(NEED_INADDR_T)
541fi
542# Checks for library functions.
543AC_FUNC_MEMCMP
544AC_FUNC_STAT
545AC_FUNC_STRFTIME
546AC_FUNC_VPRINTF
547AC_FUNC_FORK
548AC_CHECK_LIB(nsl,gethostbyname)
549AC_CHECK_LIB(socket,socket)
550
551uname_s=`(uname -s) 2>/dev/null`
552if test "x$uname_s" = "xHP-UX"; then
553	# need -lsec for getspnam()
554	LDFLAGS="$LDFLAGS -lsec"
555fi
556
557AC_CHECK_FUNCS([ftime gethostbyname gethostname gettimeofday inet_ntoa memmove memset mmap mkfifo select socket strchr strcspn strdup strerror strstr])
558
559# check, if shmget is in cygipc.a
560AC_CHECK_LIB(cygipc,shmget)
561AM_CONDITIONAL(CYGIPC, test "$HAVE_CYGIPC" = "true")
562
563# Check if /usr/include/linux exists, if so, define LINUX
564AM_CONDITIONAL(LINUX, test -d /usr/include/linux)
565
566# Check for OS X specific header
567AC_CHECK_HEADER(ApplicationServices/ApplicationServices.h, HAVE_OSX="true")
568AM_CONDITIONAL(OSX, test "$HAVE_OSX" = "true")
569
570# Check for Android specific header
571AC_CHECK_HEADER(android/api-level.h, HAVE_ANDROID="true")
572AM_CONDITIONAL(ANDROID, test "$HAVE_ANDROID" = "true")
573if test "$HAVE_ANDROID" = "true"; then
574	AC_DEFINE(HAVE_ANDROID, 1, [Android host system detected])
575fi
576
577# On Solaris 2.7, write() returns ENOENT when it really means EAGAIN
578AH_TEMPLATE(ENOENT_WORKAROUND, [work around when write() returns ENOENT but does not mean it])
579case `(uname -sr) 2>/dev/null` in
580    "SunOS 5.7")
581	AC_DEFINE(ENOENT_WORKAROUND)
582    ;;
583esac
584
585# Check for rpm SOURCES path
586printf "checking for rpm sources path... "
587RPMSOURCEDIR="NOT-FOUND"
588for directory in packages OpenLinux redhat RedHat rpm RPM "" ; do
589	if test -d /usr/src/${directory}/SOURCES; then
590		RPMSOURCEDIR="/usr/src/${directory}/SOURCES/"
591	fi
592done
593echo "$RPMSOURCEDIR"
594AM_CONDITIONAL(HAVE_RPM, test "$RPMSOURCEDIR" != "NOT-FOUND")
595AC_SUBST(RPMSOURCEDIR)
596
597AC_CONFIG_FILES([Makefile
598	libvncserver.pc
599	libvncclient.pc
600	libvncserver/Makefile
601	examples/Makefile
602	examples/android/Makefile
603	webclients/Makefile
604	webclients/java-applet/Makefile
605	webclients/java-applet/ssl/Makefile
606	libvncclient/Makefile
607	client_examples/Makefile
608	test/Makefile
609	libvncserver-config
610	LibVNCServer.spec])
611
612
613AC_CONFIG_COMMANDS([chmod-libvncserver-config],[chmod a+x libvncserver-config])
614AC_OUTPUT
615chmod a+x ./libvncserver-config
616
617