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[asterisk/asterisk.git] / configure.ac
1 # Process this file with autoconf to produce a configure script.
2 #
3 # Make sure we use autoconf 2.60 to generate the "configure" script,
4 # in case we want to commit it. Other than that, version 2.59 is
5 # perfectly fine for our purposes, so people who want to modify
6 # this file just have to remember to set the AC_PREREQ argument
7 # to something that suits their needs.
8
9 AC_PREREQ(2.60)
10
11 AC_INIT(asterisk, 1.6, www.asterisk.org)
12
13 # cross-compile macros
14 AC_CANONICAL_BUILD
15 AC_CANONICAL_HOST
16
17 # check existence of the package
18 AC_CONFIG_SRCDIR([main/asterisk.c])
19
20 AC_COPYRIGHT("Asterisk")
21 AC_REVISION($Revision$)
22
23 # preserve any CFLAGS or LDFLAGS that may be set
24 # NOTE: This must be done before calling any macros that end up
25 # calling AC_PROG_CC or the like, since they will set a default
26 # set of CFLAGS ("-g -O2") if the user did not supply any, and
27 # we don't want those default flags to be carried over into the
28 # rest of the build system since we have other means of controlling
29 # debugging symbol generation and optimization.
30 CONFIG_CFLAGS="${CFLAGS}"
31 CONFIG_LDFLAGS="${LDFLAGS}"
32 AC_SUBST(CONFIG_CFLAGS)
33 AC_SUBST(CONFIG_LDFLAGS)
34
35 # specify output header file
36 AC_CONFIG_HEADER(include/asterisk/autoconfig.h)
37
38 AC_USE_SYSTEM_EXTENSIONS        # note- does not work on FreeBSD
39
40 case "${host_os}" in
41      freebsd*)
42      ac_default_prefix=/usr/local
43      CPPFLAGS=-I/usr/local/include
44      LDFLAGS=-L/usr/local/lib
45      ;;
46      openbsd*)
47      ac_default_prefix=/usr/local
48      if test ${prefix} = '/usr/local' || test ${prefix} = 'NONE'; then
49         if test ${sysconfdir} = '${prefix}/etc'; then
50            sysconfdir=/etc
51         fi
52         if test ${mandir} = '${prefix}/man'; then
53            mandir=/usr/share/man
54         fi
55      fi
56      CPPFLAGS=-I/usr/local/include
57      LDFLAGS=-L/usr/local/lib
58      ;;
59      darwin*)
60      AC_DEFINE([AST_POLL_COMPAT], 1, [Define to 1 if internal poll should be used.])
61      ;;
62      *)
63      ac_default_prefix=/usr
64      if test ${prefix} = '/usr' || test ${prefix} = 'NONE'; then
65         if test ${sysconfdir} = '${prefix}/etc'; then
66            sysconfdir=/etc
67         fi
68         if test ${mandir} = '${prefix}/man'; then
69            mandir=/usr/share/man
70         fi
71      fi
72      ;;
73 esac
74
75 if test ${prefix} = ${ac_default_prefix} || test ${prefix} = 'NONE'; then
76      if test ${localstatedir} = '${prefix}/var'; then
77         localstatedir=/var
78      fi
79 fi
80
81 BUILD_PLATFORM=${build}
82 BUILD_CPU=${build_cpu}
83 BUILD_VENDOR=${build_vendor}
84 BUILD_OS=${build_os}
85
86 AC_SUBST(BUILD_PLATFORM)
87 AC_SUBST(BUILD_CPU)
88 AC_SUBST(BUILD_VENDOR)
89 AC_SUBST(BUILD_OS)
90
91 HOST_PLATFORM=${host}
92 HOST_CPU=${host_cpu}
93 HOST_VENDOR=${host_vendor}
94 HOST_OS=${host_os}
95
96 AC_SUBST(HOST_PLATFORM)
97 AC_SUBST(HOST_CPU)
98 AC_SUBST(HOST_VENDOR)
99 AC_SUBST(HOST_OS)
100
101 PBX_WINARCH=0
102
103 case "${host_os}" in
104      freebsd*)
105      OSARCH=FreeBSD
106      ;;
107      netbsd*)
108      OSARCH=NetBSD
109      ;;
110      openbsd*)
111      OSARCH=OpenBSD
112      ;;
113      solaris*)
114      OSARCH=SunOS
115      ;;
116      mingw32)
117      OSARCH=mingw32
118      PBX_WINARCH=1
119      ;;
120      cygwin)
121      OSARCH=cygwin
122      PBX_WINARCH=1
123      ;;
124      linux-gnueabi)
125      OSARCH=linux-gnu
126      ;;
127      *)
128      OSARCH=${host_os}
129      ;;
130 esac
131
132 AC_SUBST(OSARCH)
133 AC_SUBST(PBX_WINARCH)
134
135 #  check for uname
136 AC_PATH_TOOL([UNAME], [uname], No)
137 if test ! x"${UNAME}" = xNo; then
138    PBX_OSREV=$(${UNAME} -r)
139 fi
140 AC_SUBST(PBX_OSREV)
141
142 AH_TOP(
143 #ifndef ASTERISK_AUTOCONFIG_H
144 #define ASTERISK_AUTOCONFIG_H
145
146 #include "asterisk/buildopts.h"
147
148 )
149
150 AH_BOTTOM(
151 #endif
152 )
153
154 # cross-compile checks
155 if test "${cross_compiling}" = "yes"; 
156 then
157    AC_CHECK_TOOL(CC, gcc, :)
158    AC_CHECK_TOOL(CXX, g++, :)
159    AC_CHECK_TOOL(LD, ld, :)
160    AC_CHECK_TOOL(RANLIB, ranlib, :)
161 fi
162
163 # Checks for programs.
164 AC_PROG_CC
165 AC_PROG_CXX
166 AC_PROG_CPP
167 AC_PROG_CXXCPP
168 # This macro is just copied into our local acinclude.m4 from libtool.m4 so that
169 # the developers regenerating the configure script don't have to install libtool.
170 AST_PROG_LD     # note, does not work on FreeBSD
171 AC_PROG_AWK
172 AC_PROG_INSTALL
173 AC_PROG_LN_S
174 AC_PROG_RANLIB
175 AST_CHECK_GNU_MAKE
176
177 AC_PATH_TOOL([STRIP], [strip], :)
178 AC_PATH_TOOL([AR], [ar], :)
179
180 GNU_LD=0
181 if test "x$with_gnu_ld" = "xyes" ; then
182    GNU_LD=1
183 fi
184 AC_SUBST(GNU_LD)
185
186 AC_PATH_PROG([BISON], [bison], :)
187 AC_PATH_PROG([FLEX], [flex], :)
188 AC_PATH_PROG([GREP], [grep], :)
189 AC_PATH_PROG([FIND], [find], :)
190 AC_PATH_PROG([COMPRESS], [compress], :)
191 AC_PATH_PROG([BASENAME], [basename], :)
192 AC_PATH_PROG([ID], [id], :)
193 AC_PATH_PROG([DIRNAME], [dirname], :)
194 AC_PATH_PROG([SHELL], [sh], :)
195 AC_PATH_PROG([LN], [ln], :)
196 AC_PATH_PROG([DOT], [dot], :)
197 AC_PATH_PROG([WGET], [wget], :)
198 AC_PATH_PROG([CURL], [curl], :)
199 AC_PATH_PROG([RUBBER], [rubber], :)
200 AC_PATH_PROG([KPATHSEA], [kpsewhich], :)
201 AC_PATH_PROG([XMLSTARLET], [xmlstarlet], :)
202 if test "${WGET}" != ":" ; then
203   DOWNLOAD=${WGET}
204 else if test "${CURL}" != ":" ; then
205   DOWNLOAD="${CURL} -O --progress-bar -w \"%{url_effective}\n\""
206 else
207   AC_PATH_PROG([FETCH], [fetch], [:])
208   DOWNLOAD=${FETCH}
209 fi
210 fi
211 AC_SUBST(DOWNLOAD)
212
213 AC_CACHE_CHECK([for bison that supports parse-param], [ac_cv_path_BISON2], [
214         if test "x$BISON" != "x:" ; then
215                 # Create a temporary directory $tmp in $TMPDIR (default /tmp).
216                 # Use mktemp if possible; otherwise fall back on mkdir,
217                 # with $RANDOM to make collisions less likely.
218                 : ${TMPDIR=/tmp}
219                 {
220                   tmp=`
221                     (umask 077 && mktemp -d "$TMPDIR/fooXXXXXX") 2>/dev/null
222                   ` &&
223                   test -n "$tmp" && test -d "$tmp"
224                 } || {
225                   tmp=$TMPDIR/foo$$-$RANDOM
226                   (umask 077 && mkdir "$tmp")
227                 } || exit $?
228                 cat >$tmp/test.y <<__EOL__
229 %parse-param {struct parse_io *parseio}
230 %%
231 file : { \$\$ = parseio->pval = 1; }
232         ;
233 %%
234 __EOL__
235                 ${BISON} -o ${tmp}/test.tab.c ${tmp}/test.y >/dev/null 2>&1
236                 if test -e "${tmp}/test.tab.c"; then
237                         ac_cv_path_BISON2=${BISON}
238                 fi
239                 rm -rf ${tmp}
240         fi
241         ])
242 if test "x${ac_cv_path_BISON2}" = "x" ; then
243         BISON=:
244         PBX_BISON=0
245 else
246         PBX_BISON=1
247 fi
248 AC_SUBST(PBX_BISON)
249 if test "x${FLEX}" = "x:" ; then
250         PBX_FLEX=0
251 else
252         PBX_FLEX=1
253 fi
254 AC_SUBST(PBX_FLEX)
255
256 AC_CHECK_TOOL([SOXMIX], [soxmix], [:])
257 if test "${SOXMIX}" != ":" ; then
258         AC_DEFINE([HAVE_SOXMIX], 1, [Define to 1 if your system has soxmix application.])
259 fi
260
261 AC_CHECK_PROGS([MD5], [md5 md5sum gmd5sum digest])
262
263 if test "${MD5}" = "digest" ; then
264    MD5="${MD5} -a md5"   
265 fi
266
267 ACX_PTHREAD
268
269 AC_LANG(C)
270
271 AC_ARG_ENABLE([dev-mode],
272         [AS_HELP_STRING([--enable-dev-mode],
273                 [Turn on developer mode])],
274         [case "${enableval}" in
275               y|ye|yes) AST_DEVMODE=yes ;;
276               n|no)  AST_DEVMODE=no ;;
277               noisy)
278               AST_DEVMODE=yes
279               NOISY_BUILD=yes
280               ;;
281               *) AC_MSG_ERROR(bad value ${enableval} for --enable-dev-mode)  ;;
282         esac])
283 AC_SUBST(NOISY_BUILD)
284 AC_SUBST(AST_DEVMODE)
285
286 # AST_EXT_LIB_SETUP is used to tell configure to handle variables for
287 # various packages.
288 # $1 is the prefix for the variables in makeopts and autoconfig.h
289 # $2 is the short comment, $4 is the long comment
290 # $3 is the name used in --with- or --without- flags for configure.
291 #
292 # Package option names should be in alphabetical order
293 # by the --with option name (the third field),
294 # to make things easier for the users.
295
296 AST_EXT_LIB_SETUP([ALSA], [Advanced Linux Sound Architecture], [asound])
297
298 # BKTR is used for backtrace support on platforms that do not
299 # have it natively.
300 AST_EXT_LIB_SETUP([BKTR], [Stack Backtrace support], [execinfo])
301 AST_EXT_LIB_SETUP([BLUETOOTH], [Bluetooth Support], [bluetooth])
302 AST_EXT_LIB_SETUP([CAP], [POSIX 1.e capabilities], [cap])
303 AST_EXT_LIB_SETUP([CURL], [cURL], [curl])
304 AST_EXT_LIB_SETUP([CURSES], [curses], [curses])
305 AST_EXT_LIB_SETUP([CRYPTO], [OpenSSL Cryptography support], [crypto])
306 AST_EXT_LIB_SETUP([DAHDI], [DAHDI], [dahdi])
307 AST_EXT_LIB_SETUP([FFMPEG], [Ffmpeg and avcodec library], [avcodec])
308 AST_EXT_LIB_SETUP([GSM], [External GSM library], [gsm], [, use 'internal' GSM otherwise])
309 AST_EXT_LIB_SETUP([GTK2], [gtk2 libraries], [gtk2])
310 AST_EXT_LIB_SETUP([GMIME], [GMime library], [gmime])
311 AST_EXT_LIB_SETUP([HOARD], [Hoard Memory Allocator], [hoard])
312 AST_EXT_LIB_SETUP([ICAL], [ical libraries], [ical])
313 AST_EXT_LIB_SETUP([ICONV], [Iconv Library], [iconv])
314 AST_EXT_LIB_SETUP([IKSEMEL], [Iksemel Jabber Library], [iksemel])
315 AST_EXT_LIB_SETUP([IMAP_TK], [UW IMAP Toolkit], [imap])
316 AST_EXT_LIB_SETUP([INOTIFY], [inotify support], [inotify])
317 AST_EXT_LIB_SETUP([IODBC], [iODBC], [iodbc])
318 AST_EXT_LIB_SETUP([ISDNNET], [ISDN4Linux Library], [isdnnet])
319 AST_EXT_LIB_SETUP([JACK], [Jack Audio Connection Kit], [jack])
320 AST_EXT_LIB_SETUP([LDAP], [OpenLDAP], [ldap])
321 AST_EXT_LIB_SETUP([LIBXML2], [LibXML2], [libxml2])
322 AST_EXT_LIB_SETUP([LTDL], [libtool], [ltdl])
323 AST_EXT_LIB_SETUP([LUA], [Lua], [lua])
324 AST_EXT_LIB_SETUP([MISDN], [mISDN User Library], [misdn])
325 AST_EXT_LIB_SETUP([MYSQLCLIENT], [mysqlclient], [mysqlclient])
326 AST_EXT_LIB_SETUP([NBS], [Network Broadcast Sound], [nbs])
327 AST_EXT_LIB_SETUP([NCURSES], [ncurses], [ncurses])
328 AST_EXT_LIB_SETUP([NEON], [neon], [neon])
329 AST_EXT_LIB_SETUP([NETSNMP], [Net-SNMP], [netsnmp])
330 AST_EXT_LIB_SETUP([NEWT], [newt], [newt])
331 AST_EXT_LIB_SETUP([OGG], [OGG], [ogg])
332 AST_EXT_LIB_SETUP([OSPTK], [OSP Toolkit], [osptk])
333 AST_EXT_LIB_SETUP([OSS], [Open Sound System], [oss])
334 AST_EXT_LIB_SETUP([PGSQL], [PostgreSQL], [postgres])
335 AST_EXT_LIB_SETUP([POPT], [popt], [popt])
336 AST_EXT_LIB_SETUP([PORTAUDIO], [PortAudio], [portaudio])
337 AST_EXT_LIB_SETUP([PRI], [ISDN PRI], [pri])
338 AST_EXT_LIB_SETUP_DEPENDENT([PRI_SUBADDR], [ISDN PRI subaddressing], [PRI], [pri])
339 AST_EXT_LIB_SETUP_DEPENDENT([PRI_CALL_HOLD], [ISDN PRI call hold], [PRI], [pri])
340 AST_EXT_LIB_SETUP_DEPENDENT([PRI_CALL_REROUTING], [ISDN PRI call rerouting and call deflection], [PRI], [pri])
341 AST_EXT_LIB_SETUP_DEPENDENT([PRI_SETUP_KEYPAD], [ISDN PRI keypad facility in SETUP], [PRI], [pri])
342 # ------------------------------------v
343 # TODO: The code can be changed to always include these features now.
344 # These features will always be present if pri_connected_line_update is available.
345 AST_EXT_LIB_SETUP_DEPENDENT([PRI_VERSION], [ISDN PRI get_version], [PRI], [pri])
346 AST_EXT_LIB_SETUP_DEPENDENT([PRI_INBANDDISCONNECT], [ISDN PRI set_inbanddisconnect], [PRI], [pri])
347 AST_EXT_LIB_SETUP_DEPENDENT([PRI_PROG_W_CAUSE], [ISDN progress with cause], [PRI], [pri])
348 AST_EXT_LIB_SETUP_DEPENDENT([PRI_SERVICE_MESSAGES], [ISDN service messages], [PRI], [pri])
349 AST_EXT_LIB_SETUP_DEPENDENT([PRI_REVERSE_CHARGE], [ISDN reverse charge], [PRI], [pri])
350 # ------------------------------------^
351 AST_EXT_LIB_SETUP([RESAMPLE], [LIBRESAMPLE], [resample])
352 AST_EXT_LIB_SETUP([SPANDSP], [SPANDSP], [spandsp])
353 AST_EXT_LIB_SETUP([SS7], [ISDN SS7], [ss7])
354 AST_EXT_LIB_SETUP([OPENR2], [MFR2], [openr2])
355 AST_EXT_LIB_SETUP([PWLIB], [PWlib], [pwlib])
356 AST_EXT_LIB_SETUP([OPENH323], [OpenH323], [h323])
357 AST_EXT_LIB_SETUP([RADIUS], [Radius Client], [radius])
358 AST_EXT_LIB_SETUP([SDL], [Sdl], [sdl])
359 AST_EXT_LIB_SETUP([SDL_IMAGE], [Sdl Image library], [SDL_image])
360 AST_EXT_LIB_SETUP([OPENAIS], [OpenAIS], [openais])
361 AST_EXT_LIB_SETUP([SPEEX], [Speex], [speex])
362 AST_EXT_LIB_SETUP([SPEEX_PREPROCESS], [Speex preprocess routines], [speex])
363 AST_EXT_LIB_SETUP([SPEEXDSP], [Speexdsp], [speexdsp])
364 AST_EXT_LIB_SETUP_DEPENDENT([SPEEX_PREPROCESS], [speex_preprocess_ctl], [], [speex])
365 AST_EXT_LIB_SETUP([SQLITE], [SQLite], [sqlite])
366 AST_EXT_LIB_SETUP([SQLITE3], [SQLite], [sqlite3])
367 AST_EXT_LIB_SETUP([SUPPSERV], [mISDN Supplemental Services], [suppserv])
368 AST_EXT_LIB_SETUP([OPENSSL], [OpenSSL Secure Sockets Layer support], [ssl])
369 AST_EXT_LIB_SETUP([FREETDS], [FreeTDS], [tds])
370 AST_EXT_LIB_SETUP([TERMCAP], [Termcap], [termcap])
371 AST_EXT_LIB_SETUP([TINFO], [Term Info], [tinfo])
372 AST_EXT_LIB_SETUP([TONEZONE], [tonezone], [tonezone])
373 AST_EXT_LIB_SETUP([UNIXODBC], [unixODBC], [unixodbc])
374 AST_EXT_LIB_SETUP([USB], [usb], [usb])
375 AST_EXT_LIB_SETUP([VORBIS], [Vorbis], [vorbis])
376 AST_EXT_LIB_SETUP([VPB], [Voicetronix API], [vpb])
377 AST_EXT_LIB_SETUP([X11], [X11 support], [x11])
378 AST_EXT_LIB_SETUP([ZLIB], [zlib], [z])
379 AST_EXT_LIB_SETUP([TIMERFD], [timerfd], [timerfd])
380
381 # check for basic system features and functionality before
382 # checking for package libraries
383
384 AC_FUNC_ALLOCA
385 AC_HEADER_DIRENT
386 AC_HEADER_STDC
387 AC_HEADER_SYS_WAIT
388 AC_CHECK_HEADERS([arpa/inet.h fcntl.h inttypes.h libintl.h limits.h locale.h malloc.h netdb.h netinet/in.h stddef.h stdint.h stdlib.h string.h strings.h sys/file.h sys/ioctl.h sys/param.h sys/socket.h sys/time.h syslog.h termios.h unistd.h utime.h arpa/nameser.h sys/io.h])
389
390 AC_CHECK_HEADERS([winsock.h winsock2.h])
391
392 AC_CHECK_HEADER([sys/poll.h],
393          [],
394      AC_DEFINE([AST_POLL_COMPAT], 1, [Define to 1 if internal poll should be used.]))
395
396 AC_SYS_LARGEFILE
397
398 # Checks for typedefs, structures, and compiler characteristics.
399 AC_HEADER_STDBOOL
400 AC_C_CONST
401 AC_TYPE_UID_T
402 AC_C_INLINE
403 AC_TYPE_LONG_DOUBLE_WIDER
404 AC_TYPE_MODE_T
405 AC_TYPE_OFF_T
406 AC_TYPE_PID_T
407 AC_TYPE_SIZE_T
408 AC_CHECK_MEMBERS([struct stat.st_blksize])
409 AC_HEADER_TIME
410 AC_STRUCT_TM
411 AC_C_VOLATILE
412 AC_CHECK_TYPES([ptrdiff_t])
413
414 # Checks for library functions.
415 AC_FUNC_CHOWN
416 AC_FUNC_CLOSEDIR_VOID
417 AC_FUNC_ERROR_AT_LINE
418 AST_FUNC_FORK
419 AC_FUNC_FSEEKO
420 AC_PROG_GCC_TRADITIONAL
421 # XXX: these are commented out until we determine whether it matters if our malloc()
422 # acts exactly like glibc's or not
423 # AC_FUNC_MALLOC
424 # AC_FUNC_REALLOC
425 AC_FUNC_MEMCMP
426 AC_FUNC_MMAP
427 AC_FUNC_SELECT_ARGTYPES
428 AC_FUNC_SETVBUF_REVERSED
429 AC_TYPE_SIGNAL
430 AC_FUNC_STAT
431 AC_FUNC_STRCOLL
432 AC_FUNC_STRFTIME
433 AC_FUNC_STRNLEN
434 AC_FUNC_STRTOD
435 AC_FUNC_UTIME_NULL
436 AC_FUNC_VPRINTF
437 AC_CHECK_FUNCS([asprintf atexit closefrom dup2 eaccess endpwent euidaccess ffsll ftruncate getcwd gethostbyname gethostname getloadavg gettimeofday glob htonll ioperm inet_ntoa isascii localtime_r memchr memmove memset mkdir munmap ntohll putenv re_comp regcomp select setenv socket strcasecmp strcasestr strchr strcspn strdup strerror strlcat strlcpy strncasecmp strndup strnlen strrchr strsep strspn strstr strtod strtol strtold strtoq unsetenv utime vasprintf getpeereid sysctl swapctl])
438
439 # NOTE: we use AC_CHECK_LIB to get -lm into the arguments for later checks,
440 # so that AC_CHECK_FUNCS can detect functions in that library.
441 AC_CHECK_LIB([m], [sqrt])
442 # BSD might not have exp2, and/or log2
443 AC_CHECK_FUNCS([exp2 log2 exp10 log10 sin cos tan asin acos atan atan2 pow rint exp log remainder fmod round trunc floor ceil])
444
445 # Certain architectures don't really have long double, even though
446 # AC_CHECK_FUNCS would otherwise find the following functions.
447 if test "x${ac_cv_type_long_double_wider}" = "xyes" ; then
448         AC_CHECK_FUNCS([exp2l log2l exp10l log10l sinl cosl tanl asinl acosl atanl atan2l powl sqrtl rintl expl logl remainderl fmodl roundl truncl floorl ceill])
449 fi
450
451 AC_MSG_CHECKING(for timersub in time.h)
452 AC_LINK_IFELSE(
453         AC_LANG_PROGRAM([#include <sys/time.h>],
454                 [struct timeval *a; timersub(a, a, a);]),
455         AC_MSG_RESULT(yes)
456                 AC_DEFINE([HAVE_TIMERSUB], 1, [Define to 1 if your system defines timersub.]),
457         AC_MSG_RESULT(no)
458 )
459
460 AC_CHECK_HEADER([sys/poll.h], 
461    [HAS_POLL=1]
462    AC_DEFINE([HAVE_SYS_POLL_H], 1, [Define to 1 if your system has working sys/poll.h]),
463    )
464
465 AC_ARG_ENABLE([internal-poll],
466         [AS_HELP_STRING([--enable-internal-poll],
467                 [Use Asterisk's poll implementation])],
468         [case "${enableval}" in
469                 y|ye|yes) HAS_POLL="";;
470                 n|no) HAS_POLL="${HAS_POLL}" ;;
471                 *) AC_MSG_ERROR(bad value ${enableval} for --enable-internal-poll) ;;
472         esac])
473 AC_SUBST(HAS_POLL)
474
475
476
477 # https support (in main/http.c) uses funopen on BSD systems,
478 # fopencookie on linux
479 AC_CHECK_FUNCS([funopen fopencookie])
480
481 AC_CHECK_FUNCS([inet_aton])
482
483 # check if we have IP_PKTINFO constant defined
484 AC_MSG_CHECKING(for IP_PKTINFO)
485 AC_LINK_IFELSE(
486                 AC_LANG_PROGRAM([#include <netinet/in.h>],
487                                                 [int pi = IP_PKTINFO;]),
488                 AC_MSG_RESULT(yes)
489                 AC_DEFINE([HAVE_PKTINFO], 1, [Define to 1 if your system defines IP_PKTINFO.]),
490                 AC_MSG_RESULT(no)
491 )
492
493 # some systems already have gethostbyname_r so we don't need to build ours in main/utils.c
494 AC_SEARCH_LIBS(gethostbyname_r, [socket nsl])
495
496 AC_MSG_CHECKING(for gethostbyname_r with 6 arguments)
497 AC_LINK_IFELSE(
498         AC_LANG_PROGRAM([#include <stdlib.h>
499                          #include <netdb.h>],
500                         [struct hostent *he = gethostbyname_r((const char *)NULL, (struct hostent *)NULL, (char *)NULL, (int)0, (struct hostent **)NULL, (int *)NULL);]),
501         AC_MSG_RESULT(yes)
502         AC_DEFINE([HAVE_GETHOSTBYNAME_R_6], 1, [Define to 1 if your system has gethostbyname_r with 6 arguments.]),
503         AC_MSG_RESULT(no)
504 )
505
506 AC_MSG_CHECKING(for gethostbyname_r with 5 arguments)
507 AC_LINK_IFELSE(
508         AC_LANG_PROGRAM([#include <stdlib.h>
509                          #include <netdb.h>],
510                         [struct hostent *he = gethostbyname_r((const char *)NULL, (struct hostent *)NULL, (char *)NULL, (int)0, (int *)NULL);]),
511         AC_MSG_RESULT(yes)
512         AC_DEFINE([HAVE_GETHOSTBYNAME_R_5], 1, [Define to 1 if your system has gethostbyname_r with 5 arguments.]),
513         AC_MSG_RESULT(no)
514 )
515
516 AC_CHECK_HEADER([byteswap.h], [AC_DEFINE_UNQUOTED([HAVE_BYTESWAP_H], 1, [Define to 1 if byteswap.h macros are available.])])
517
518 AC_MSG_CHECKING(for __swap16 variant of <sys/endian.h> byteswapping macros)
519 AC_LINK_IFELSE(
520 AC_LANG_PROGRAM([#include <sys/endian.h>], [int a = 1; int b = __swap16(a);]),
521 AC_MSG_RESULT(yes)
522 AC_DEFINE([HAVE_SYS_ENDIAN_SWAP16], 1, [Define to 1 if your sys/endian.h header file provides the __swap16 macro.]),
523 AC_MSG_RESULT(no)
524 )
525
526 AC_MSG_CHECKING(for bswap16 variant of <sys/endian.h> byteswapping macros)
527 AC_LINK_IFELSE(
528 AC_LANG_PROGRAM([#include <sys/endian.h>], [int a = 1; int b = bswap16(a);]),
529 AC_MSG_RESULT(yes)
530 AC_DEFINE([HAVE_SYS_ENDIAN_BSWAP16], 1, [Define to 1 if your sys/endian.h header file provides the bswap16 macro.]),
531 AC_MSG_RESULT(no)
532 )
533
534 if test "${cross_compiling}" = "no";
535 then
536   AC_CHECK_FILE(/dev/urandom, AC_DEFINE([HAVE_DEV_URANDOM], 1, [Define to 1 if your system has /dev/urandom.]))
537 fi
538
539 AST_C_DEFINE_CHECK([PTHREAD_RWLOCK_INITIALIZER], [PTHREAD_RWLOCK_INITIALIZER], [pthread.h])
540
541 AC_MSG_CHECKING(for PTHREAD_RWLOCK_PREFER_WRITER_NP in pthread.h)
542 AC_LINK_IFELSE(
543 AC_LANG_PROGRAM([#include <pthread.h>], [int a = PTHREAD_RWLOCK_PREFER_WRITER_NP;]),
544 AC_MSG_RESULT(yes)
545 AC_DEFINE([HAVE_PTHREAD_RWLOCK_PREFER_WRITER_NP], 1, [Define to 1 if your system defines PTHREAD_RWLOCK_PREFER_WRITER_NP in pthread.h]),
546 AC_MSG_RESULT(no)
547 )
548
549 AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE_NP in pthread.h)
550 AC_LINK_IFELSE(
551 AC_LANG_PROGRAM([#include <pthread.h>], [int a = PTHREAD_MUTEX_RECURSIVE_NP;]),
552 AC_MSG_RESULT(yes)
553 AC_DEFINE([HAVE_PTHREAD_MUTEX_RECURSIVE_NP], 1, [Define to 1 if your system defines PTHREAD_MUTEX_RECURSIVE_NP in pthread.h]),
554 AC_MSG_RESULT(no)
555 )
556
557 AC_MSG_CHECKING(for pthread_rwlock_timedwrlock() in pthread.h)
558 AC_LINK_IFELSE(
559   [AC_LANG_PROGRAM(
560     [#include <pthread.h>
561      #include <time.h>],
562     [pthread_rwlock_t foo; struct timespec bar; pthread_rwlock_timedwrlock(&foo, &bar)])
563   ],[
564     AC_MSG_RESULT(yes)
565     ac_cv_pthread_rwlock_timedwrlock="yes"
566   ],[
567     AC_MSG_RESULT(no)
568     ac_cv_pthread_rwlock_timedwrlock="no"
569   ]
570 )
571 if test "${ac_cv_pthread_rwlock_timedwrlock}" = "yes"; then
572   AC_DEFINE([HAVE_PTHREAD_RWLOCK_TIMEDWRLOCK], 1, [Define if your system has pthread_rwlock_timedwrlock()])
573 fi
574
575 AC_MSG_CHECKING(if PTHREAD_ONCE_INIT needs braces)
576 saved_CFLAGS="${CFLAGS}"
577 CFLAGS="${CFLAGS} -Werror -Wmissing-braces"
578 AC_COMPILE_IFELSE(
579   [AC_LANG_PROGRAM(
580     [#include <pthread.h>
581      void empty(){}],
582         [pthread_once_t once = PTHREAD_ONCE_INIT; pthread_once(&once, empty);])
583   ],[
584     AC_MSG_RESULT(no)
585     ac_cv_pthread_once_needsbraces="no"
586   ],[
587     AC_MSG_RESULT(yes)
588     ac_cv_pthread_once_needsbraces="yes"
589   ]
590 )
591 CFLAGS="${saved_CFLAGS}"
592 if test "${ac_cv_pthread_once_needsbraces}" = "yes"; then
593   AC_DEFINE([PTHREAD_ONCE_INIT_NEEDS_BRACES], 1, [Define if your system needs braces around PTHREAD_ONCE_INIT])
594 fi
595
596 AST_C_DEFINE_CHECK([PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP], [PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP], [pthread.h])
597
598 # Can we compare a mutex to its initial value?
599 # Generally yes on OpenBSD/FreeBSD and no on Mac OS X.
600 AC_MSG_CHECKING(whether we can compare a mutex to its initial value)
601 AC_LINK_IFELSE(
602         AC_LANG_PROGRAM([#include <pthread.h>], [pthread_mutex_t lock;
603         if ((lock) != ((pthread_mutex_t) PTHREAD_MUTEX_INITIALIZER)) {
604                 return 0;
605         }
606         return 0]),
607         AC_MSG_RESULT(yes)
608         AC_DEFINE([CAN_COMPARE_MUTEX_TO_INIT_VALUE], 1, [Define to 1 if your system's implementation of mutexes supports comparison of a mutex to its initializer.]),
609         AC_MSG_RESULT(no)
610 )
611
612 #if test "${cross_compiling}" = "no";
613 #then
614 #AC_MSG_CHECKING(for working epoll support)
615 #AC_LINK_IFELSE(
616 #AC_LANG_PROGRAM([#include <sys/epoll.h>], [int res = epoll_create(10);
617 #                                         if (res < 0)
618 #                                            return 1;
619 #                                         close (res);
620 #                                         return 0;]),
621 #AC_MSG_RESULT(yes)
622 #AC_DEFINE([HAVE_EPOLL], 1, [Define to 1 if your system has working epoll support.]),
623 #AC_MSG_RESULT(no)
624 #)
625 #fi
626
627 AC_MSG_CHECKING(for compiler atomic operations)
628 AC_LINK_IFELSE(
629 AC_LANG_PROGRAM([], [int foo1; int foo2 = __sync_fetch_and_add(&foo1, 1);]),
630 AC_MSG_RESULT(yes)
631 AC_DEFINE([HAVE_GCC_ATOMICS], 1, [Define to 1 if your GCC C compiler provides atomic operations.]),
632 AC_MSG_RESULT(no)
633 )
634
635 # glibc, AFAIK, is the only C library that makes printing a NULL to a string safe.
636 AC_MSG_CHECKING([if your system printf is NULL-safe.])
637 AC_RUN_IFELSE(
638         AC_LANG_PROGRAM([#include <stdio.h>],
639                 [printf("%s", NULL)]),
640         AC_DEFINE([HAVE_NULLSAFE_PRINTF], 1, [Define to 1 if your C library can safely print NULL to string formats.])
641         AC_MSG_RESULT(yes),
642         AC_MSG_RESULT(no),
643         # It's unlikely an embedded system will have this.
644         AC_MSG_RESULT(unknown)
645 )
646
647 AST_GCC_ATTRIBUTE(pure)
648 AST_GCC_ATTRIBUTE(malloc)
649 AST_GCC_ATTRIBUTE(const)
650 AST_GCC_ATTRIBUTE(unused)
651 AST_GCC_ATTRIBUTE(always_inline)
652 AST_GCC_ATTRIBUTE(deprecated)
653 AST_GCC_ATTRIBUTE(sentinel)
654 AST_GCC_ATTRIBUTE(warn_unused_result)
655 AST_GCC_ATTRIBUTE(weakref, [weakref("foo")], static)
656 AST_GCC_ATTRIBUTE(weak_import)
657
658 AC_MSG_CHECKING(for -ffunction-sections support)
659 saved_CFLAGS="${CFLAGS}"
660 CFLAGS="${CFLAGS} -ffunction-sections"
661 AC_COMPILE_IFELSE(
662         AC_LANG_PROGRAM([], [int x = 1;]),
663         AC_MSG_RESULT(yes)
664         [saved_LDFLAGS="${LDFLAGS}"]
665         [LDFLAGS="${LDFLAGS} -Wl,--gc-sections"]
666         AC_MSG_CHECKING(for --gc-sections support)
667         AC_LINK_IFELSE(
668                 AC_LANG_PROGRAM([], [int x = 1;]),
669                 AC_MSG_RESULT(yes)
670                 [GC_CFLAGS="-ffunction-sections"]
671                 [[GC_LDFLAGS="-Wl,--gc-sections"]],
672                 AC_MSG_RESULT(no)
673         )
674         [LDFLAGS="${saved_LDFLAGS}"],
675         AC_MSG_RESULT(no)
676 )
677 CFLAGS="${saved_CFLAGS}"
678 AC_SUBST(GC_CFLAGS)
679 AC_SUBST(GC_LDFLAGS)
680
681 AC_MSG_CHECKING(for -Wdeclaration-after-statement support)
682 if $(${CC} -Wdeclaration-after-statement -S -o /dev/null -xc /dev/null > /dev/null 2>&1); then
683         AC_MSG_RESULT(yes)
684         AST_DECLARATION_AFTER_STATEMENT=-Wdeclaration-after-statement
685 else
686         AC_MSG_RESULT(no)
687         AST_DECLARATION_AFTER_STATEMENT=
688 fi
689 AC_SUBST(AST_DECLARATION_AFTER_STATEMENT)
690
691 AC_MSG_CHECKING(for _FORTIFY_SOURCE support)
692 if $(${CC} -D_FORTIFY_SOURCE=2 -S -o /dev/null -xc /dev/null > /dev/null 2>&1); then
693         AC_MSG_RESULT(yes)
694         AST_FORTIFY_SOURCE=-D_FORTIFY_SOURCE=2
695 else
696         AC_MSG_RESULT(no)
697         AST_FORTIFY_SOURCE=
698 fi
699 AC_SUBST(AST_FORTIFY_SOURCE)
700
701 AC_MSG_CHECKING(for -fno-strict-overflow)
702 if $(${CC} -O2 -fno-strict-overflow -S -o /dev/null -xc /dev/null > /dev/null 2>&1); then
703         AC_MSG_RESULT(yes)
704         AST_NO_STRICT_OVERFLOW=-fno-strict-overflow
705 else
706         AC_MSG_RESULT(no)
707         AST_NO_STRICT_OVERFLOW=
708 fi
709 AC_SUBST(AST_NO_STRICT_OVERFLOW)
710
711 AC_MSG_CHECKING(for -Wshadow)
712 if $(${CC} -Wshadow -S -o /dev/null -xc /dev/null > /dev/null 2>&1); then
713         AC_MSG_RESULT(yes)
714         AST_SHADOW_WARNINGS=-Wshadow
715 else
716         AC_MSG_RESULT(no)
717         AST_SHADOW_WARNINGS=
718 fi
719 AC_SUBST(AST_SHADOW_WARNINGS)
720
721 AC_MSG_CHECKING(for sysinfo)
722 AC_LINK_IFELSE(
723         AC_LANG_PROGRAM([#include <sys/sysinfo.h>],
724                         [struct sysinfo sys_info; int uptime = sys_info.uptime]),
725         AC_MSG_RESULT(yes)
726         AC_DEFINE([HAVE_SYSINFO], 1, [Define to 1 if your system has sysinfo support]),
727         AC_MSG_RESULT(no)
728 )
729
730 AC_SEARCH_LIBS(res_9_ninit, resolv)
731 AC_MSG_CHECKING(for res_ninit)
732 AC_LINK_IFELSE(
733         AC_LANG_PROGRAM([
734                         #ifdef HAVE_SYS_SOCKET_H
735                         #include <sys/socket.h>
736                         #endif
737                         #ifdef HAVE_NETINET_IN_H
738                         #include <netinet/in.h>
739                         #endif
740                         #ifdef HAVE_ARPA_NAMESER_H
741                         #include <arpa/nameser.h>
742                         #endif
743                         #include <resolv.h>],
744                         [int foo = res_ninit(NULL);]),
745         AC_MSG_RESULT(yes)
746         AC_DEFINE([HAVE_RES_NINIT], 1, [Define to 1 if your system has the re-entrant resolver functions.])
747         AC_SEARCH_LIBS(res_9_ndestroy, resolv)
748         AC_MSG_CHECKING(for res_ndestroy)
749         AC_LINK_IFELSE(
750                 AC_LANG_PROGRAM([
751                                 #ifdef HAVE_SYS_SOCKET_H
752                                 #include <sys/socket.h>
753                                 #endif
754                                 #ifdef HAVE_NETINET_IN_H
755                                 #include <netinet/in.h>
756                                 #endif
757                                 #ifdef HAVE_ARPA_NAMESER_H
758                                 #include <arpa/nameser.h>
759                                 #endif
760                                 #include <resolv.h>],
761                                 [res_ndestroy(NULL);]),
762                 AC_MSG_RESULT(yes)
763                 AC_DEFINE([HAVE_RES_NDESTROY], 1, [Define to 1 if your system has the ndestroy resolver function.]),
764                 AC_MSG_RESULT(no)
765         )
766         AC_SEARCH_LIBS(res_9_close, resolv)
767         AC_MSG_CHECKING(for res_close)
768         AC_LINK_IFELSE(
769                 AC_LANG_PROGRAM([
770                                 #ifdef HAVE_SYS_SOCKET_H
771                                 #include <sys/socket.h>
772                                 #endif
773                                 #ifdef HAVE_NETINET_IN_H
774                                 #include <netinet/in.h>
775                                 #endif
776                                 #ifdef HAVE_ARPA_NAMESER_H
777                                 #include <arpa/nameser.h>
778                                 #endif
779                                 #include <resolv.h>],
780                                 [res_close();]),
781                 AC_MSG_RESULT(yes)
782                 AC_DEFINE([HAVE_RES_CLOSE], 1, [Define to 1 if your system has the close resolver function.]),
783                 AC_MSG_RESULT(no)
784         ),
785         AC_MSG_RESULT(no)
786 )
787
788 AST_C_DEFINE_CHECK([GLOB_NOMAGIC], [GLOB_NOMAGIC], [glob.h])
789
790 AST_C_DEFINE_CHECK([GLOB_BRACE], [GLOB_BRACE], [glob.h])
791
792 AST_C_DEFINE_CHECK([IP_MTU_DISCOVER], [IP_MTU_DISCOVER], [netinet/in.h])
793
794 AC_CHECK_HEADER([libkern/OSAtomic.h],
795                 [AC_DEFINE_UNQUOTED([HAVE_OSX_ATOMICS], 1, [Define to 1 if OSX atomic operations are supported.])])
796
797 AC_CHECK_SIZEOF([int])
798 AC_CHECK_SIZEOF([long])
799 AC_CHECK_SIZEOF([long long])
800 AC_CHECK_SIZEOF([char *])
801
802 # do the package library checks now
803
804 AST_EXT_LIB_CHECK([ALSA], [asound], [snd_spcm_init], [alsa/asoundlib.h], [-lm -ldl])
805
806 AST_EXT_LIB_CHECK([CURSES], [curses], [initscr], [curses.h])
807
808 if test "x${OSARCH}" = "xlinux-gnu" ; then
809   AST_EXT_LIB_CHECK([CAP], [cap], [cap_from_text], [sys/capability.h])
810 fi
811
812 AST_C_DEFINE_CHECK([DAHDI], [DAHDI_CODE], [dahdi/user.h])
813
814 AST_C_DEFINE_CHECK([DAHDI_HALF_FULL], [DAHDI_POLICY_HALF_FULL], [dahdi/user.h])
815
816 AST_C_COMPILE_CHECK([DAHDI_LINEREVERSE_VMWI], [struct dahdi_vmwi_info booger], [dahdi/user.h], , [enhanced dahdi vmwi support])
817
818 AST_C_COMPILE_CHECK([DAHDI_ECHOCANCEL_FAX_MODE], [int foo = DAHDI_ECHOCANCEL_FAX_MODE], [dahdi/user.h])
819
820 AST_C_COMPILE_CHECK([GETIFADDRS], [struct ifaddrs *p; getifaddrs(&p)], [ifaddrs.h], , [getifaddrs() support])
821 AST_C_COMPILE_CHECK([TIMERFD], [timerfd_create(0,0); timerfd_settime(0,0,NULL,NULL);], [sys/timerfd.h], , [timerfd support])
822
823 GSM_INTERNAL="yes"
824 AC_SUBST(GSM_INTERNAL)
825 GSM_SYSTEM="yes"
826 if test "${USE_GSM}" != "no"; then
827    if test "${GSM_DIR}" = "internal"; then
828       GSM_SYSTEM="no"
829    elif test "${GSM_DIR}" != ""; then
830       GSM_INTERNAL="no"
831    fi
832    if test "${GSM_SYSTEM}" = "yes"; then
833       gsmlibdir=""
834       if test "x${GSM_DIR}" != "x"; then
835          if test -d ${GSM_DIR}/lib; then
836             gsmlibdir="-L${GSM_DIR}/lib"
837          else
838             gsmlibdir="-L${GSM_DIR}"
839          fi
840       fi
841       AC_CHECK_LIB([gsm], [gsm_create], AC_DEFINE_UNQUOTED([HAVE_GSM], 1,
842       [Define to indicate the GSM library]), [], ${gsmlibdir})
843       if test "${ac_cv_lib_gsm_gsm_create}" = "yes"; then
844          if test "x${GSM_DIR}" != "x" ; then
845             AC_CHECK_HEADER([${GSM_DIR}/include/gsm.h], [GSM_HEADER_FOUND=1], [GSM_HEADER_FOUND=0])
846             AC_CHECK_HEADER([${GSM_DIR}/include/gsm/gsm.h], [GSM_GSM_HEADER_FOUND=1], [GSM_GSM_HEADER_FOUND=0])
847          else
848             AC_CHECK_HEADER([gsm.h], [GSM_HEADER_FOUND=1], [GSM_HEADER_FOUND=0])
849             AC_CHECK_HEADER([gsm/gsm.h], [GSM_GSM_HEADER_FOUND=1], [GSM_GSM_HEADER_FOUND=0])
850          fi
851          if test "${GSM_HEADER_FOUND}" = "0" ; then
852             if test "{GSM_GSM_HEADER_FOUND}" = "0" ; then
853                if test "x${GSM_MANDATORY}" = "xyes" ; then
854                   AC_MSG_NOTICE([***])
855                   AC_MSG_NOTICE([*** It appears that you do not have the gsm development package installed.])
856                   AC_MSG_NOTICE([*** Please install it to include ${GSM_DESCRIP} support, or re-run configure])
857                   AC_MSG_NOTICE([*** without explicitly specifying --with-${GSM_OPTION}])
858                   exit 1
859                fi
860             fi
861          fi
862          GSM_OK=0
863          if test "${GSM_HEADER_FOUND}" = "1" ; then
864             AC_DEFINE_UNQUOTED([HAVE_GSM_HEADER], 1, [Define to indicate that gsm.h has no prefix for its location])
865             GSM_OK=1
866          else
867             if test "${GSM_GSM_HEADER_FOUND}" = "1" ; then
868                AC_DEFINE_UNQUOTED([HAVE_GSM_GSM_HEADER], 1, [Define to indicate that gsm.h is in gsm/gsm.h])
869                GSM_OK=1
870             fi
871          fi
872          if test "${GSM_OK}" = "1" ; then
873             GSM_LIB="-lgsm"
874             if test "x${GSM_DIR}" != "x"; then
875                GSM_LIB="${gsmlibdir} ${GSM_LIB}"
876                GSM_INCLUDE="-I${GSM_DIR}/include"
877             fi
878             PBX_GSM=1
879             GSM_INTERNAL="no"
880          fi
881       fi
882    fi
883    if test "${GSM_INTERNAL}" = "yes"; then
884       PBX_GSM=1
885       AC_DEFINE_UNQUOTED([HAVE_GSM_HEADER], 1, [Define to indicate that gsm.h has no prefix for its location])
886    fi
887 fi
888
889 AST_EXT_LIB_CHECK([ICONV], [iconv], [iconv_open], [iconv.h])
890 # Some versions of Linux package iconv in glibc
891 AST_EXT_LIB_CHECK([ICONV], [c], [iconv_close], [iconv.h])
892
893 AST_EXT_LIB_CHECK([ICAL], [ical], [icaltimezone_new], [libical/ical.h], [-lpthread])
894
895 AST_EXT_LIB_CHECK([IKSEMEL], [iksemel], [iks_start_sasl], [iksemel.h])
896
897 if test "${USE_IMAP_TK}" != "no"; then
898         saved_cppflags="${CPPFLAGS}"
899         saved_libs="${LIBS}"
900         switch_to_system_on_failure="no"
901         if test "${IMAP_TK_DIR}" = ""; then
902                 IMAP_TK_DIR=`pwd`"/../imap-2004g"
903                 switch_to_system_on_failure="yes"
904         fi
905         if test "${IMAP_TK_DIR}" != "system"; then
906                 AC_MSG_CHECKING(for UW IMAP Toolkit c-client library)
907                 if test -f "${IMAP_TK_DIR}/c-client/LDFLAGS"; then
908                 imap_ldflags=`cat ${IMAP_TK_DIR}/c-client/LDFLAGS`
909                 fi
910                 imap_libs="${IMAP_TK_DIR}/c-client/c-client.a"
911                 imap_include="-I${IMAP_TK_DIR}/c-client"
912         CPPFLAGS="${CPPFLAGS} ${imap_include}"
913                 LIBS="${LIBS} ${imap_libs} "`echo ${imap_ldflags}`
914                 AC_LINK_IFELSE(
915                 AC_LANG_PROGRAM(
916                                 [#include "c-client.h"
917                                 void mm_searched (MAILSTREAM *stream,unsigned long number)
918                                 {
919                                 }
920                                 void mm_exists (MAILSTREAM *stream,unsigned long number)
921                                 {
922                                 }
923                                 void mm_expunged (MAILSTREAM *stream,unsigned long number)
924                                 {
925                                 }
926                                 void mm_flags (MAILSTREAM *stream,unsigned long number)
927                                 {
928                                 }
929                                 void mm_notify (MAILSTREAM *stream,char *string,long errflg)
930                                 {
931                                 }
932                                 void mm_list (MAILSTREAM *stream,int delimiter,char *mailbox,long attributes)
933                                 {
934                                 }
935                                 void mm_lsub (MAILSTREAM *stream,int delimiter,char *mailbox,long attributes)
936                                 {
937                                 }
938                                 void mm_status (MAILSTREAM *stream,char *mailbox,MAILSTATUS *status)
939                                 {
940                                 }
941                                 void mm_log (char *string,long errflg)
942                                 {
943                                 }
944                                 void mm_dlog (char *string)
945                                 {
946                                 }
947                                 void mm_login (NETMBX *mb,char *user,char *pwd,long trial)
948                                 {
949                                 }
950                                 void mm_critical (MAILSTREAM *stream)
951                                 {
952                                 }
953                                 void mm_nocritical (MAILSTREAM *stream)
954                                 {
955                                 }
956                                 long mm_diskerror (MAILSTREAM *stream,long errcode,long serious)
957                                 {
958                                 }
959                                 void mm_fatal (char *string)
960                                 {
961                                 }],
962                                 [
963                                 MAILSTREAM *foo = mail_open(NULL, "", 0);
964                                 ]
965                         ),
966                         [ac_cv_imap_tk="yes"],
967                         [ac_cv_imap_tk="no"]
968                 )
969                 if test "${ac_cv_imap_tk}" = "yes"; then
970                         AC_LINK_IFELSE(
971                                 AC_LANG_PROGRAM(
972                                         [#include "c-client.h"
973                                         void mm_searched (MAILSTREAM *stream,unsigned long number)
974                                         {
975                                         }
976                                         void mm_exists (MAILSTREAM *stream,unsigned long number)
977                                         {
978                                         }
979                                         void mm_expunged (MAILSTREAM *stream,unsigned long number)
980                                         {
981                                         }
982                                         void mm_flags (MAILSTREAM *stream,unsigned long number)
983                                         {
984                                         }
985                                         void mm_notify (MAILSTREAM *stream,char *string,long errflg)
986                                         {
987                                         }
988                                         void mm_list (MAILSTREAM *stream,int delimiter,char *mailbox,long attributes)
989                                         {
990                                         }
991                                         void mm_lsub (MAILSTREAM *stream,int delimiter,char *mailbox,long attributes)
992                                         {
993                                         }
994                                         void mm_status (MAILSTREAM *stream,char *mailbox,MAILSTATUS *status)
995                                         {
996                                         }
997                                         void mm_log (char *string,long errflg)
998                                         {
999                                         }
1000                                         void mm_dlog (char *string)
1001                                         {
1002                                         }
1003                                         void mm_login (NETMBX *mb,char *user,char *pwd,long trial)
1004                                         {
1005                                         }
1006                                         void mm_critical (MAILSTREAM *stream)
1007                                         {
1008                                         }
1009                                         void mm_nocritical (MAILSTREAM *stream)
1010                                         {
1011                                         }
1012                                         long mm_diskerror (MAILSTREAM *stream,long errcode,long serious)
1013                                         {
1014                                         }
1015                                         void mm_fatal (char *string)
1016                                         {
1017                                         }],
1018                                         [
1019                                         long check = mail_expunge_full(NULL, "", 0);
1020                                         ]
1021                                 ),
1022                                 [ac_cv_imap_tk2006="yes"],
1023                                 [ac_cv_imap_tk2006="no"]
1024                         )
1025                 fi
1026                 CPPFLAGS="${saved_cppflags}"
1027                 LIBS="${saved_libs}"
1028                 if test "${ac_cv_imap_tk}" = "no"; then
1029                         AC_MSG_RESULT(no)
1030                         if test "${switch_to_system_on_failure}" = "yes"; then
1031                                 IMAP_TK_DIR="system"
1032                         else #This means they specified a directory. Search for a package installation there too
1033                                 AC_MSG_CHECKING([for system c-client library...])
1034                                 CPPFLAGS="${saved_cppflags}"
1035                                 LIBS="${saved_libs}"
1036                                 imap_include="-I${IMAP_TK_DIR}/include"
1037                                 imap_ldflags="-L${IMAP_TK_DIR}/lib"
1038                                 imap_libs="-lc-client"
1039                                 CPPFLAGS="${CPPFLAGS} ${imap_include}"
1040                                 LIBS="${LIBS} ${imap_libs} ${imap_ldflags}"
1041                                 AC_LINK_IFELSE(
1042                                 AC_LANG_PROGRAM(
1043                                                 [#include "c-client.h"
1044                                                 void mm_searched (MAILSTREAM *stream,unsigned long number)
1045                                                 {
1046                                                 }
1047                                                 void mm_exists (MAILSTREAM *stream,unsigned long number)
1048                                                 {
1049                                                 }
1050                                                 void mm_expunged (MAILSTREAM *stream,unsigned long number)
1051                                                 {
1052                                                 }
1053                                                 void mm_flags (MAILSTREAM *stream,unsigned long number)
1054                                                 {
1055                                                 }
1056                                                 void mm_notify (MAILSTREAM *stream,char *string,long errflg)
1057                                                 {
1058                                                 }
1059                                                 void mm_list (MAILSTREAM *stream,int delimiter,char *mailbox,long attributes)
1060                                                 {
1061                                                 }
1062                                                 void mm_lsub (MAILSTREAM *stream,int delimiter,char *mailbox,long attributes)
1063                                                 {
1064                                                 }
1065                                                 void mm_status (MAILSTREAM *stream,char *mailbox,MAILSTATUS *status)
1066                                                 {
1067                                                 }
1068                                                 void mm_log (char *string,long errflg)
1069                                                 {
1070                                                 }
1071                                                 void mm_dlog (char *string)
1072                                                 {
1073                                                 }
1074                                                 void mm_login (NETMBX *mb,char *user,char *pwd,long trial)
1075                                                 {
1076                                                 }
1077                                                 void mm_critical (MAILSTREAM *stream)
1078                                                 {
1079                                                 }
1080                                                 void mm_nocritical (MAILSTREAM *stream)
1081                                                 {
1082                                                 }
1083                                                 long mm_diskerror (MAILSTREAM *stream,long errcode,long serious)
1084                                                 {
1085                                                 }
1086                                                 void mm_fatal (char *string)
1087                                                 {
1088                                                 }],
1089                                                 [
1090                                                 MAILSTREAM *foo = mail_open(NULL, "", 0);
1091                                                 ]
1092                                         ),
1093                                         [ac_cv_imap_tk="yes"],
1094                                         [ac_cv_imap_tk="no"]
1095                                 )
1096                                 if test "${ac_cv_imap_tk}" = "yes"; then
1097                                         AC_LINK_IFELSE(
1098                                                 AC_LANG_PROGRAM(
1099                                                         [#include "c-client.h"
1100                                                         void mm_searched (MAILSTREAM *stream,unsigned long number)
1101                                                         {
1102                                                         }
1103                                                         void mm_exists (MAILSTREAM *stream,unsigned long number)
1104                                                         {
1105                                                         }
1106                                                         void mm_expunged (MAILSTREAM *stream,unsigned long number)
1107                                                         {
1108                                                         }
1109                                                         void mm_flags (MAILSTREAM *stream,unsigned long number)
1110                                                         {
1111                                                         }
1112                                                         void mm_notify (MAILSTREAM *stream,char *string,long errflg)
1113                                                         {
1114                                                         }
1115                                                         void mm_list (MAILSTREAM *stream,int delimiter,char *mailbox,long attributes)
1116                                                         {
1117                                                         }
1118                                                         void mm_lsub (MAILSTREAM *stream,int delimiter,char *mailbox,long attributes)
1119                                                         {
1120                                                         }
1121                                                         void mm_status (MAILSTREAM *stream,char *mailbox,MAILSTATUS *status)
1122                                                         {
1123                                                         }
1124                                                         void mm_log (char *string,long errflg)
1125                                                         {
1126                                                         }
1127                                                         void mm_dlog (char *string)
1128                                                         {
1129                                                         }
1130                                                         void mm_login (NETMBX *mb,char *user,char *pwd,long trial)
1131                                                         {
1132                                                         }
1133                                                         void mm_critical (MAILSTREAM *stream)
1134                                                         {
1135                                                         }
1136                                                         void mm_nocritical (MAILSTREAM *stream)
1137                                                         {
1138                                                         }
1139                                                         long mm_diskerror (MAILSTREAM *stream,long errcode,long serious)
1140                                                         {
1141                                                         }
1142                                                         void mm_fatal (char *string)
1143                                                         {
1144                                                         }],
1145                                                         [
1146                                                         long check = mail_expunge_full(NULL, "", 0);
1147                                                         ]
1148                                                 ),
1149                                                 [ac_cv_imap_tk2006="yes"],
1150                                                 [ac_cv_imap_tk2006="no"]
1151                                         )
1152                                 fi
1153                         fi
1154                 fi
1155         fi 
1156         if test "${IMAP_TK_DIR}" = "system"; then
1157                 #We will enter here if user specified "system" or if any of above checks failed
1158                 AC_MSG_CHECKING([for system c-client library...])
1159                 CPPFLAGS="${saved_cppflags}"
1160                 LIBS="${saved_libs}"
1161                 imap_ldflags=""
1162                 imap_libs="-lc-client"
1163                 imap_include="-DUSE_SYSTEM_IMAP" #Try the imap directory first
1164                 CPPFLAGS="${CPPFLAGS} ${imap_include}"
1165                 LIBS="${LIBS} ${imap_libs} "`echo ${imap_ldflags}`
1166                 AC_LINK_IFELSE(
1167                 AC_LANG_PROGRAM(
1168                                 [#include <stdio.h>
1169                                 #include <imap/c-client.h>
1170                                 void mm_searched (MAILSTREAM *stream,unsigned long number)
1171                                 {
1172                                 }
1173                                 void mm_exists (MAILSTREAM *stream,unsigned long number)
1174                                 {
1175                                 }
1176                                 void mm_expunged (MAILSTREAM *stream,unsigned long number)
1177                                 {
1178                                 }
1179                                 void mm_flags (MAILSTREAM *stream,unsigned long number)
1180                                 {
1181                                 }
1182                                 void mm_notify (MAILSTREAM *stream,char *string,long errflg)
1183                                 {
1184                                 }
1185                                 void mm_list (MAILSTREAM *stream,int delimiter,char *mailbox,long attributes)
1186                                 {
1187                                 }
1188                                 void mm_lsub (MAILSTREAM *stream,int delimiter,char *mailbox,long attributes)
1189                                 {
1190                                 }
1191                                 void mm_status (MAILSTREAM *stream,char *mailbox,MAILSTATUS *status)
1192                                 {
1193                                 }
1194                                 void mm_log (char *string,long errflg)
1195                                 {
1196                                 }
1197                                 void mm_dlog (char *string)
1198                                 {
1199                                 }
1200                                 void mm_login (NETMBX *mb,char *user,char *pwd,long trial)
1201                                 {
1202                                 }
1203                                 void mm_critical (MAILSTREAM *stream)
1204                                 {
1205                                 }
1206                                 void mm_nocritical (MAILSTREAM *stream)
1207                                 {
1208                                 }
1209                                 long mm_diskerror (MAILSTREAM *stream,long errcode,long serious)
1210                                 {
1211                                 }
1212                                 void mm_fatal (char *string)
1213                                 {
1214                                 }],
1215                                 [
1216                                 MAILSTREAM *foo = mail_open(NULL, "", 0);
1217                                 ]
1218                         ),
1219                         [ac_cv_imap_tk="yes"],
1220                         [ac_cv_imap_tk="no"]
1221                 )
1222                 if test "${ac_cv_imap_tk}" = "yes"; then
1223                         AC_LINK_IFELSE(
1224                                 AC_LANG_PROGRAM(
1225                                         [#include <stdio.h>
1226                                         #include <imap/c-client.h>
1227                                         void mm_searched (MAILSTREAM *stream,unsigned long number)
1228                                         {
1229                                         }
1230                                         void mm_exists (MAILSTREAM *stream,unsigned long number)
1231                                         {
1232                                         }
1233                                         void mm_expunged (MAILSTREAM *stream,unsigned long number)
1234                                         {
1235                                         }
1236                                         void mm_flags (MAILSTREAM *stream,unsigned long number)
1237                                         {
1238                                         }
1239                                         void mm_notify (MAILSTREAM *stream,char *string,long errflg)
1240                                         {
1241                                         }
1242                                         void mm_list (MAILSTREAM *stream,int delimiter,char *mailbox,long attributes)
1243                                         {
1244                                         }
1245                                         void mm_lsub (MAILSTREAM *stream,int delimiter,char *mailbox,long attributes)
1246                                         {
1247                                         }
1248                                         void mm_status (MAILSTREAM *stream,char *mailbox,MAILSTATUS *status)
1249                                         {
1250                                         }
1251                                         void mm_log (char *string,long errflg)
1252                                         {
1253                                         }
1254                                         void mm_dlog (char *string)
1255                                         {
1256                                         }
1257                                         void mm_login (NETMBX *mb,char *user,char *pwd,long trial)
1258                                         {
1259                                         }
1260                                         void mm_critical (MAILSTREAM *stream)
1261                                         {
1262                                         }
1263                                         void mm_nocritical (MAILSTREAM *stream)
1264                                         {
1265                                         }
1266                                         long mm_diskerror (MAILSTREAM *stream,long errcode,long serious)
1267                                         {
1268                                         }
1269                                         void mm_fatal (char *string)
1270                                         {
1271                                         }],
1272                                         [
1273                                         long check = mail_expunge_full(NULL, "", 0);
1274                                         ]
1275                                 ),
1276                                 [ac_cv_imap_tk2006="yes"],
1277                                 [ac_cv_imap_tk2006="no"]
1278                         )
1279                 else #looking in imap directory didn't work, try c-client
1280                         imap_ldflags=""
1281                         imap_libs="-lc-client"
1282                         imap_include="-DUSE_SYSTEM_CCLIENT"
1283                         CPPFLAGS="${saved_cppflags}"
1284                         LIBS="${saved_libs}"
1285                         CPPFLAGS="${CPPFLAGS} ${imap_include}"
1286                         LIBS="${LIBS} ${imap_libs} "`echo ${imap_ldflags}`
1287                         AC_LINK_IFELSE(
1288                         AC_LANG_PROGRAM(
1289                                         [#include <stdio.h>
1290                                         #include <c-client/c-client.h>
1291                                         void mm_searched (MAILSTREAM *stream,unsigned long number)
1292                                         {
1293                                         }
1294                                         void mm_exists (MAILSTREAM *stream,unsigned long number)
1295                                         {
1296                                         }
1297                                         void mm_expunged (MAILSTREAM *stream,unsigned long number)
1298                                         {
1299                                         }
1300                                         void mm_flags (MAILSTREAM *stream,unsigned long number)
1301                                         {
1302                                         }
1303                                         void mm_notify (MAILSTREAM *stream,char *string,long errflg)
1304                                         {
1305                                         }
1306                                         void mm_list (MAILSTREAM *stream,int delimiter,char *mailbox,long attributes)
1307                                         {
1308                                         }
1309                                         void mm_lsub (MAILSTREAM *stream,int delimiter,char *mailbox,long attributes)
1310                                         {
1311                                         }
1312                                         void mm_status (MAILSTREAM *stream,char *mailbox,MAILSTATUS *status)
1313                                         {
1314                                         }
1315                                         void mm_log (char *string,long errflg)
1316                                         {
1317                                         }
1318                                         void mm_dlog (char *string)
1319                                         {
1320                                         }
1321                                         void mm_login (NETMBX *mb,char *user,char *pwd,long trial)
1322                                         {
1323                                         }
1324                                         void mm_critical (MAILSTREAM *stream)
1325                                         {
1326                                         }
1327                                         void mm_nocritical (MAILSTREAM *stream)
1328                                         {
1329                                         }
1330                                         long mm_diskerror (MAILSTREAM *stream,long errcode,long serious)
1331                                         {
1332                                         }
1333                                         void mm_fatal (char *string)
1334                                         {
1335                                         }],
1336                                         [
1337                                         MAILSTREAM *foo = mail_open(NULL, "", 0);
1338                                         ]
1339                                 ),
1340                                 [ac_cv_imap_tk="yes"],
1341                                 [ac_cv_imap_tk="no"]
1342                         )
1343                         if test "${ac_cv_imap_tk}" = "yes"; then
1344                                 AC_LINK_IFELSE(
1345                                         AC_LANG_PROGRAM(
1346                                                 [#include <stdio.h>
1347                                                 #include <c-client/c-client.h>
1348                                                 void mm_searched (MAILSTREAM *stream,unsigned long number)
1349                                                 {
1350                                                 }
1351                                                 void mm_exists (MAILSTREAM *stream,unsigned long number)
1352                                                 {
1353                                                 }
1354                                                 void mm_expunged (MAILSTREAM *stream,unsigned long number)
1355                                                 {
1356                                                 }
1357                                                 void mm_flags (MAILSTREAM *stream,unsigned long number)
1358                                                 {
1359                                                 }
1360                                                 void mm_notify (MAILSTREAM *stream,char *string,long errflg)
1361                                                 {
1362                                                 }
1363                                                 void mm_list (MAILSTREAM *stream,int delimiter,char *mailbox,long attributes)
1364                                                 {
1365                                                 }
1366                                                 void mm_lsub (MAILSTREAM *stream,int delimiter,char *mailbox,long attributes)
1367                                                 {
1368                                                 }
1369                                                 void mm_status (MAILSTREAM *stream,char *mailbox,MAILSTATUS *status)
1370                                                 {
1371                                                 }
1372                                                 void mm_log (char *string,long errflg)
1373                                                 {
1374                                                 }
1375                                                 void mm_dlog (char *string)
1376                                                 {
1377                                                 }
1378                                                 void mm_login (NETMBX *mb,char *user,char *pwd,long trial)
1379                                                 {
1380                                                 }
1381                                                 void mm_critical (MAILSTREAM *stream)
1382                                                 {
1383                                                 }
1384                                                 void mm_nocritical (MAILSTREAM *stream)
1385                                                 {
1386                                                 }
1387                                                 long mm_diskerror (MAILSTREAM *stream,long errcode,long serious)
1388                                                 {
1389                                                 }
1390                                                 void mm_fatal (char *string)
1391                                                 {
1392                                                 }],
1393                                                 [
1394                                                 long check = mail_expunge_full(NULL, "", 0);
1395                                                 ]
1396                                         ),
1397                                         [ac_cv_imap_tk2006="yes"],
1398                                         [ac_cv_imap_tk2006="no"]
1399                                 )
1400                         fi
1401                 fi
1402         fi
1403         if test "${ac_cv_imap_tk}" = "yes"; then
1404                 AC_MSG_RESULT(yes)
1405                 IMAP_TK_LIB="${imap_libs} "`echo ${imap_ldflags}`
1406                 IMAP_TK_INCLUDE="${imap_include}"
1407                 PBX_IMAP_TK=1
1408                 AC_DEFINE([HAVE_IMAP_TK], 1, [Define if your system has the UW IMAP Toolkit c-client library.])
1409                 if test "${ac_cv_imap_tk2006}" = "yes"; then
1410                         AC_DEFINE([HAVE_IMAP_TK2006], 1, [Define if your system has the UW IMAP Toolkit c-client library version 2006 or greater.])
1411                 fi
1412         else
1413                 AC_MSG_RESULT(no) 
1414         fi
1415         CPPFLAGS="${saved_cppflags}"
1416         LIBS="${saved_libs}"
1417 fi
1418
1419 AST_EXT_LIB_CHECK([IODBC], [iodbc], [SQLConnect], [sql.h], [-lpthread])
1420
1421 AST_EXT_LIB_CHECK([INOTIFY], [c], [inotify_init], [sys/inotify.h])
1422
1423 AST_EXT_LIB_CHECK([JACK], [jack], [jack_activate], [jack/jack.h])
1424
1425 # Needed by unixodbc
1426 AST_EXT_LIB_CHECK([LTDL], [ltdl], [lt_dlinit], [ltdl.h], [])
1427
1428 AST_EXT_LIB_CHECK([LDAP], [ldap], [ldap_initialize], [ldap.h])
1429
1430 AC_ARG_ENABLE([xmldoc],
1431         [AS_HELP_STRING([--disable-xmldoc],
1432                 [Explicity disable XML documentation])],
1433         [case "${enableval}" in
1434                 y|ye|yes) disable_xmldoc=no ;;
1435                 n|no)  disable_xmldoc=yes ;;
1436                 *) AC_MSG_ERROR(bad value ${enableval} for --disable-xmldoc)  ;;
1437         esac], [disable_xmldoc=no])
1438
1439 if test "${disable_xmldoc}" != "yes"; then
1440         AST_EXT_TOOL_CHECK([LIBXML2], [xml2-config], , ,
1441         [#include <libxml/tree.h>
1442         #include <libxml/parser.h>],
1443         [LIBXML_TEST_VERSION])
1444         if test "${PBX_LIBXML2}" != 1; then
1445                 AC_MSG_NOTICE(*** XML documentation will not be available because the 'libxml2' development package is missing.)
1446                 AC_MSG_NOTICE(*** Please run the 'configure' script with the '--disable-xmldoc' parameter option)
1447                 AC_MSG_NOTICE(*** or install the 'libxml2' development package.)
1448                 exit 1
1449         fi
1450 fi
1451
1452 AST_EXT_LIB_CHECK([MISDN], [mISDN], [mISDN_open], [mISDNuser/mISDNlib.h])
1453
1454 if test "${PBX_MISDN}" = 1; then
1455    AST_EXT_LIB_CHECK([ISDNNET], [isdnnet], [init_manager], [mISDNuser/isdn_net.h], [-lmISDN -lpthread])
1456    AST_EXT_LIB_CHECK([SUPPSERV], [suppserv], [encodeFac], [mISDNuser/suppserv.h])
1457    AST_C_DEFINE_CHECK([MISDN_FAC_RESULT], [Fac_RESULT], [mISDNuser/suppserv.h])
1458    AST_C_DEFINE_CHECK([MISDN_FAC_ERROR], [Fac_ERROR], [mISDNuser/suppserv.h])
1459    AC_CHECK_HEADER([linux/mISDNdsp.h], [AC_DEFINE_UNQUOTED([MISDN_1_2], 1, [Build chan_misdn for mISDN 1.2 or later.])])
1460    AC_CHECK_MEMBER([Q931_info_t.redirect_dn], [], [PBX_MISDN=0], [#include <mISDNuser/mISDNlib.h>])
1461 fi
1462
1463 AST_EXT_TOOL_CHECK([MYSQLCLIENT], [mysql_config])
1464
1465 AST_EXT_LIB_CHECK([NBS], [nbs], [nbs_connect], [nbs.h])
1466
1467 AST_EXT_LIB_CHECK([NCURSES], [ncurses], [initscr], [curses.h])
1468
1469 AST_EXT_TOOL_CHECK([NEON], [neon-config])
1470
1471 AST_EXT_TOOL_CHECK([NETSNMP], [net-snmp-config], , [--agent-libs],
1472 [#include <net-snmp/net-snmp-config.h>
1473 #include <net-snmp/net-snmp-includes.h>
1474 #include <net-snmp/agent/net-snmp-agent-includes.h>],
1475 [int callback = snmp_register_callback(0, 0, NULL, NULL)])
1476
1477 AST_EXT_LIB_CHECK([NEWT], [newt], [newtBell], [newt.h])
1478
1479 AST_EXT_LIB_CHECK([UNIXODBC], [odbc], [SQLConnect], [sql.h], [])
1480
1481 AST_EXT_LIB_CHECK([OGG], [ogg], [ogg_sync_init], [])
1482
1483 # Non-glibc platforms require libexecinfo for backtrace support
1484 AST_EXT_LIB_CHECK([BKTR], [execinfo], [backtrace], [execinfo.h])
1485 # Linux, however, has backtrace directly in glibc
1486 AST_EXT_LIB_CHECK([BKTR], [c], [backtrace], [execinfo.h])
1487
1488 AST_EXT_LIB_CHECK([BLUETOOTH], [bluetooth], [ba2str], [bluetooth/bluetooth.h])
1489
1490 # possible places for oss definitions
1491 AST_EXT_LIB_CHECK([OSS], [ossaudio], [], [linux/soundcard.h])
1492 AST_EXT_LIB_CHECK([OSS], [ossaudio], [], [sys/soundcard.h])
1493 AST_EXT_LIB_CHECK([OSS], [ossaudio], [oss_ioctl_mixer], [soundcard.h])
1494
1495 PG_CONFIG=No
1496 if test "${USE_PGSQL}" != "no"; then    
1497    if test "x${PGSQL_DIR}" != "x"; then
1498       AC_PATH_TOOL([PG_CONFIG], [pg_config], No, [${PGSQL_DIR}/bin])
1499       if test x"${PG_CONFIG}" = xNo; then
1500          AC_MSG_NOTICE([***])
1501          AC_MSG_NOTICE([*** pg_config was not found in the path you specified:])
1502          AC_MSG_NOTICE([*** ${PGSQL_DIR}/bin])
1503          AC_MSG_NOTICE([*** Either correct the installation, or run configure])
1504          AC_MSG_NOTICE([*** including --without-postgres])
1505          exit 1
1506       fi
1507    else
1508       AC_PATH_TOOL([PG_CONFIG], [pg_config], No)
1509    fi
1510 fi
1511 if test "${PG_CONFIG}" != No; then
1512    PGSQL_libdir=`${PG_CONFIG} --libdir`
1513    PGSQL_includedir=`${PG_CONFIG} --includedir`
1514    if test "x$?" != "x0" ; then
1515       if test -n "${PGSQL_MANDATORY}" ; then
1516          AC_MSG_NOTICE([***])
1517          AC_MSG_NOTICE([*** The PostgreSQL installation on this system appears to be broken.])
1518          AC_MSG_NOTICE([*** Either correct the installation, or run configure])
1519          AC_MSG_NOTICE([*** including --without-postgres])
1520          exit 1
1521           fi
1522    else 
1523       AC_CHECK_LIB([pq], [PQescapeStringConn], AC_DEFINE_UNQUOTED([HAVE_PGSQL], 1,
1524       [Define to indicate the PostgreSQL library]), [], -L${PGSQL_libdir} -lz)
1525
1526       if test "${ac_cv_lib_pq_PQescapeStringConn}" = "yes"; then
1527          PGSQL_LIB="-L${PGSQL_libdir} -lpq -lz"
1528          PGSQL_INCLUDE="-I${PGSQL_includedir}"
1529          PBX_PGSQL=1
1530       elif test -n "${PGSQL_MANDATORY}";
1531       then
1532          AC_MSG_NOTICE([***])
1533          AC_MSG_NOTICE([*** The PostgreSQL installation on this system appears to be broken.])
1534          AC_MSG_NOTICE([*** Either correct the installation, or run configure])
1535          AC_MSG_NOTICE([*** including --without-postgres])
1536          exit 1
1537       fi
1538    fi
1539 fi
1540
1541 AST_EXT_LIB_CHECK([POPT], [popt], [poptStrerror], [popt.h])
1542
1543 AST_EXT_LIB_CHECK([PORTAUDIO], [portaudio], [Pa_GetDeviceCount], [portaudio.h])
1544
1545 AST_EXT_LIB_CHECK([PRI], [pri], [pri_connected_line_update], [libpri.h])
1546 AST_EXT_LIB_CHECK([PRI_SUBADDR], [pri], [pri_sr_set_called_subaddress], [libpri.h])
1547 AST_EXT_LIB_CHECK([PRI_CALL_HOLD], [pri], [pri_hold_enable], [libpri.h])
1548 AST_EXT_LIB_CHECK([PRI_CALL_REROUTING], [pri], [pri_reroute_enable], [libpri.h])
1549 AST_EXT_LIB_CHECK([PRI_SETUP_KEYPAD], [pri], [pri_sr_set_keypad_digits], [libpri.h])
1550
1551 # ------------------------------------v
1552 # TODO: The code can be changed to always include these features now.
1553 # These features will always be present if pri_connected_line_update is available.
1554 AST_EXT_LIB_CHECK([PRI_PROG_W_CAUSE], [pri], [pri_progress_with_cause], [libpri.h])
1555 AST_EXT_LIB_CHECK([PRI_INBANDDISCONNECT], [pri], [pri_set_inbanddisconnect], [libpri.h])
1556 AST_EXT_LIB_CHECK([PRI_SERVICE_MESSAGES], [pri], [pri_maintenance_service], [libpri.h])
1557 AST_EXT_LIB_CHECK([PRI_REVERSE_CHARGE], [pri], [pri_sr_set_reversecharge], [libpri.h])
1558 # ------------------------------------^
1559
1560 AST_EXT_LIB_CHECK([RESAMPLE], [resample], [resample_open], [libresample.h], [-lm])
1561
1562 AST_C_COMPILE_CHECK([SPANDSP], [
1563                 #if SPANDSP_RELEASE_DATE < 20080516
1564                 #error "spandsp 0.0.5 or greater is required"
1565                 #endif
1566         ], [spandsp/version.h], , [minimum version of SpanDSP])
1567
1568 if test "x${PBX_SPANDSP}" = "x1" ; then
1569         # We found the correct version in the header, now let's make sure it links
1570         # properly, and that libtiff is available
1571         PBX_SPANDSP=0
1572         AST_EXT_LIB_CHECK([SPANDSP], [spandsp], [span_set_message_handler], [spandsp.h], [-ltiff])
1573 fi
1574
1575 if test "x${PBX_SPANDSP}" = "x1" ; then
1576         # We also need t38_terminal_init()
1577         PBX_SPANDSP=0
1578         AST_EXT_LIB_CHECK([SPANDSP], [spandsp], [t38_terminal_init], [spandsp.h], [-ltiff])
1579 fi
1580
1581 AST_EXT_LIB_CHECK([SS7], [ss7], [ss7_pollflags], [libss7.h])
1582
1583 AST_EXT_LIB_CHECK([OPENR2], [openr2], [openr2_chan_new], [openr2.h])
1584
1585 if test "${USE_PWLIB}" != "no"; then
1586         if test -n "${PWLIB_DIR}"; then
1587                 PWLIBDIR="${PWLIB_DIR}"
1588         fi
1589         AST_CHECK_PWLIB()
1590         AST_CHECK_PWLIB_VERSION([PWLib], [PWLIB], [ptbuildopts.h], [1], [9], [2], [P[[WT]]LIB_VERSION])
1591                 
1592         if test "${HAS_PWLIB:-unset}" != "unset"; then
1593                 AST_CHECK_PWLIB_PLATFORM()
1594
1595                 PLATFORM_PWLIB="pt_${PWLIB_PLATFORM}_r"
1596
1597                 AST_CHECK_PWLIB_BUILD([PWLib], [PWLIB],
1598                         [Define if your system has the PWLib libraries.],
1599                         [#include "ptlib.h"],
1600                         [int q = (int) PTime::IsDaylightSavings();])
1601         fi
1602 fi
1603
1604 if test "${PBX_PWLIB}" = "1" -a "${USE_OPENH323}" != "no" ; then
1605         if test -n "${OPENH323_DIR}"; then
1606                 OPENH323DIR="${OPENH323_DIR}"
1607         fi
1608         AST_CHECK_OPENH323()
1609         AST_CHECK_PWLIB_VERSION([OpenH323], [OPENH323], [openh323buildopts.h], [1], [17], [3])
1610         AST_CHECK_OPENH323_BUILD()
1611         PLATFORM_OPENH323="h323_${PWLIB_PLATFORM}_${OPENH323_SUFFIX}"
1612         AST_CHECK_PWLIB_BUILD([OpenH323], [OPENH323],
1613                 [Define if your system has the OpenH323 libraries.],
1614                 [#include "ptlib.h"
1615                 #include "h323.h"
1616                 #include "h323ep.h"],
1617                 [H323EndPoint ep = H323EndPoint();],
1618                 [${PWLIB_INCLUDE}], [${PWLIB_LIB}])
1619 fi
1620
1621 AST_EXT_LIB_CHECK([LUA], [lua5.1], [luaL_newstate], [lua5.1/lua.h], [-lm]) 
1622 if test "x${PBX_LUA}" = "x1" ; then
1623         AC_DEFINE_UNQUOTED([LUA51_PREFIX], [1], [Define to 1 if lua is found with a lua5.1 prefix])
1624 fi
1625         
1626 # Some distributions (like SuSE) remove the 5.1 suffix.
1627 AST_EXT_LIB_CHECK([LUA], [lua], [luaL_register], [lua.h], [-lm]) 
1628
1629 AST_EXT_LIB_CHECK([RADIUS], [radiusclient-ng], [rc_read_config], [radiusclient-ng.h])
1630
1631 # This is a bit complex... in reality, Asterisk's AIS support is dependent on finding
1632 # *any* implementation of AIS, not just OpenAIS. However, the configure script needs
1633 # to know the specifics of each possible implementation, and then represent the one
1634 # that was found as 'AIS'.
1635
1636 PBX_AIS=0
1637
1638 # OpenAIS installs its libraries into /usr/lib/openais by default, so check there
1639
1640 AST_EXT_LIB_CHECK([OPENAIS], [SaClm], [saClmInitialize], [openais/saClm.h], [-L/usr/lib/openais -L/usr/lib64/openais])
1641
1642 if test "${PBX_OPENAIS}" = 1; then
1643    PBX_AIS=1
1644    if test -n "${OPENAIS_DIR}"; then
1645       AIS_INCLUDE="${OPENAIS_INCLUDE}/openais"
1646       AIS_LIB="-lSaEvt ${OPENAIS_LIB}"
1647    else
1648       AIS_INCLUDE="-I/usr/include/openais"
1649       AIS_LIB="-lSaClm -lSaEvt -L/usr/lib/openais -L/usr/lib64/openais"
1650    fi
1651 fi
1652
1653 AC_SUBST(PBX_AIS)
1654 AC_SUBST(AIS_INCLUDE)
1655 AC_SUBST(AIS_LIB)
1656
1657 AST_EXT_LIB_CHECK([SPEEX], [speex], [speex_encode], [speex/speex.h], [-lm])
1658
1659 # See if the main speex library contains the preprocess functions
1660 AST_EXT_LIB_CHECK([SPEEX_PREPROCESS], [speex], [speex_preprocess_ctl], [speex/speex.h], [-lm])
1661 if test "${PBX_SPEEX_PREPROCESS}" = 1; then
1662    PBX_SPEEX_PREPROCESS=1
1663 fi
1664
1665 AST_EXT_LIB_CHECK([SPEEXDSP], [speexdsp], [speex_preprocess_ctl], [speex/speex.h], [-lm])
1666 if test "${PBX_SPEEXDSP}" = 1; then
1667    PBX_SPEEX_PREPROCESS=1
1668 fi
1669
1670 AC_SUBST(PBX_SPEEX_PREPROCESS)
1671
1672 AST_EXT_LIB_CHECK([SQLITE], [sqlite], [sqlite_exec], [sqlite.h])
1673
1674 AST_EXT_LIB_CHECK([SQLITE3], [sqlite3], [sqlite3_open], [sqlite3.h])
1675
1676 AST_EXT_LIB_CHECK([CRYPTO], [crypto], [AES_encrypt], [openssl/aes.h])
1677
1678 if test "$PBX_CRYPTO" = "1";
1679 then
1680     AST_EXT_LIB_CHECK([OPENSSL], [ssl], [ssl2_connect], [openssl/ssl.h], [-lcrypto])
1681 fi
1682
1683 if test "$PBX_OPENSSL" = "1";
1684 then
1685     AST_CHECK_OSPTK([3], [6], [0])
1686 fi
1687
1688 AST_EXT_TOOL_CHECK([GMIME], [gmime-config], [], [], [#include <gmime/gmime.h>], [gboolean q = g_mime_check_version(0,0,0);])
1689
1690 AST_EXT_LIB_CHECK([HOARD], [hoard], [malloc], [])
1691
1692 AST_EXT_LIB_CHECK([FREETDS], [sybdb], [dbinit], [sybdb.h])
1693
1694 AST_EXT_LIB_CHECK([TERMCAP], [termcap], [tgetent], [])
1695
1696 AST_EXT_LIB_CHECK([TINFO], [tinfo], [tgetent], [])
1697
1698 AC_CHECK_LIB([tonezone], [tone_zone_find_by_num], tonezone_does_not_need_lm=yes, tonezone_does_not_need_lm=no)
1699
1700 if test "${tonezone_does_not_need_lm}" = "no" ; then
1701   tonezone_extra="-lm"
1702 fi
1703
1704 AST_EXT_LIB_CHECK([TONEZONE], [tonezone], [tone_zone_find], [dahdi/tonezone.h], [${tonezone_extra} ${DAHDI_INCLUDE}])
1705
1706 AST_EXT_LIB_CHECK([USB], [usb], [usb_init], [usb.h], [])
1707
1708 if test "${OSARCH}" = "OpenBSD";
1709 then
1710         AST_EXT_LIB_CHECK([VORBIS], [vorbis], [vorbis_info_init], [vorbis/codec.h], [-lm -lvorbisenc -logg])
1711 else
1712         AST_EXT_LIB_CHECK([VORBIS], [vorbis], [vorbis_info_init], [vorbis/codec.h], [-lm -lvorbisenc])
1713 fi
1714
1715 AC_LANG_PUSH(C++)
1716
1717 if test "${USE_VPB}" != "no"; then
1718    AC_MSG_CHECKING(for vpb_open in -lvpb)
1719    saved_libs="${LIBS}"
1720    saved_cppflags="${CPPFLAGS}"
1721    if test "x${VPB_DIR}" != "x"; then
1722       if test -d ${VPB_DIR}/lib; then
1723          vpblibdir=${VPB_DIR}/lib
1724       else
1725          vpblibdir=${VPB_DIR}
1726       fi
1727       LIBS="${LIBS} -L${vpblibdir}"
1728       CPPFLAGS="${CPPFLAGS} -I${VPB_DIR}/include"
1729    fi
1730    LIBS="${LIBS} -lvpb -lpthread"
1731    AC_LINK_IFELSE(
1732         [
1733         AC_LANG_PROGRAM(
1734         [#include <vpbapi.h>],
1735         [int q = vpb_open(0,0);])
1736         ],
1737         [       AC_MSG_RESULT(yes) 
1738                 ac_cv_lib_vpb_vpb_open="yes" 
1739         ],
1740         [       AC_MSG_RESULT(no) 
1741                 ac_cv_lib_vpb_vpb_open="no" 
1742         ]
1743         )
1744    LIBS="${saved_libs}"
1745    CPPFLAGS="${saved_cppflags}"
1746    if test "${ac_cv_lib_vpb_vpb_open}" = "yes"; then
1747         VPB_LIB="-lvpb"
1748         if test "${VPB_DIR}" != ""; then
1749            VPB_LIB="-L${vpblibdir}  ${VPB_LIB}"
1750            VPB_INCLUDE="-I${VPB_DIR}/include"
1751         fi
1752         PBX_VPB=1
1753         AC_DEFINE([HAVE_VPB], 1, [Define if your system has the VoiceTronix API libraries.])
1754    fi
1755 fi
1756
1757 AC_LANG_POP
1758
1759 AST_EXT_LIB_CHECK([ZLIB], [z], [compress], [zlib.h])
1760
1761 EDITLINE_LIB=""
1762 if test "x$TERMCAP_LIB" != "x" ; then
1763   EDITLINE_LIB="$TERMCAP_LIB"
1764 elif test "x$TINFO_LIB" != "x" ; then
1765   EDITLINE_LIB="$TINFO_LIB"
1766 elif test "x$CURSES_LIB" != "x" ; then
1767   EDITLINE_LIB="$CURSES_LIB"
1768 elif test "x$NCURSES_LIB" != "x" ; then
1769   EDITLINE_LIB="$NCURSES_LIB"
1770 else
1771   AC_MSG_ERROR([*** termcap support not found (on modern systems, this typically means the ncurses development package is missing)])
1772 fi
1773 AC_SUBST(EDITLINE_LIB)
1774
1775 if test "x${PBX_UNIXODBC}" = "x1" -o "x${PBX_IODBC}" = "x1"; then
1776         # Does ODBC support wide characters?
1777         AC_MSG_CHECKING(whether ODBC has support for Unicode types)
1778         AC_LINK_IFELSE(
1779                 AC_LANG_PROGRAM(
1780                         [#include <sql.h>
1781 #include <sqlext.h>],
1782                         [int foo = SQL_WCHAR]),
1783                 AC_MSG_RESULT(yes)
1784                         AC_DEFINE([HAVE_ODBC_WCHAR], [1], [Define to 1 if your ODBC library has wide (Unicode) types.]),
1785                 AC_MSG_RESULT(no)
1786         )
1787 fi
1788
1789 AC_CHECK_HEADER([h323.h], [PBX_H323=1], [PBX_H323=0])
1790 AC_SUBST(PBX_H323)
1791
1792 AC_CHECK_HEADER([linux/compiler.h],
1793                 [AC_DEFINE_UNQUOTED([HAVE_LINUX_COMPILER_H], 1, [Define to 1 if your system has linux/compiler.h.])])
1794
1795 AC_CHECK_HEADER([linux/ixjuser.h], [PBX_IXJUSER=1], [PBX_IXJUSER=0], [
1796                                    #include <linux/version.h>
1797                                    #ifdef HAVE_LINUX_COMPILER_H
1798                                    #include <linux/compiler.h>
1799                                    #endif
1800                                    ])
1801 AC_SUBST(PBX_IXJUSER)
1802
1803 # Used in res/res_pktccops
1804 AST_C_DEFINE_CHECK([MSG_NOSIGNAL], [MSG_NOSIGNAL], [sys/socket.h])
1805 AST_C_DEFINE_CHECK([SO_NOSIGPIPE], [SO_NOSIGPIPE], [sys/socket.h])
1806
1807 AST_EXT_TOOL_CHECK([SDL], [sdl-config])
1808 AST_EXT_LIB_CHECK([SDL_IMAGE], [SDL_image], [IMG_Load], [SDL_image.h], [${SDL_LIB}], [${SDL_INCLUDE}])
1809 AST_EXT_LIB_CHECK([FFMPEG], [avcodec], [sws_getContext], [ffmpeg/avcodec.h], [-lpthread -lz -lm])
1810
1811 # possible places for video4linux version 1
1812 AC_CHECK_HEADER([linux/videodev.h],
1813         [AC_DEFINE_UNQUOTED([HAVE_VIDEODEV_H], 1, [Define to 1 if your system has linux/videodev.h.])])
1814
1815 # possible places for X11
1816 AST_EXT_LIB_CHECK([X11], [X11], [XOpenDisplay], [X11/Xlib.h],,, [standard_path])
1817 AST_EXT_LIB_CHECK([X11], [X11], [XOpenDisplay], [X11/Xlib.h],, [-I/usr/X11R6/include], [X11R6])
1818
1819 if test "${cross_compiling}" = "no";
1820 then
1821   AC_CHECK_FILE(/sbin/launchd, AC_DEFINE([HAVE_SBIN_LAUNCHD], 1, [Define to 1 if your system has /sbin/launchd.]))
1822 fi
1823
1824 PBX_GTK2=0
1825 AC_CHECK_TOOL(PKGCONFIG, pkg-config, No)
1826 if test ! "x${PKGCONFIG}" = xNo; then
1827    GTK2_INCLUDE=$(${PKGCONFIG} gtk+-2.0 --cflags 2>/dev/null)
1828    GTK2_LIB=$(${PKGCONFIG} gtk+-2.0 --libs)
1829    PBX_GTK2=1
1830    AC_DEFINE([HAVE_GTK2], 1, [Define if your system has the GTK2 libraries.])
1831 fi
1832 AC_SUBST(PBX_GTK2)
1833 AC_SUBST(GTK2_INCLUDE)
1834 AC_SUBST(GTK2_LIB)
1835
1836 AST_LIBCURL_CHECK_CONFIG([], [7.10.1])
1837
1838 # build a GENERIC_ODBC result based on the presence of either UnixODBC (preferred)
1839 # or iODBC
1840
1841 PBX_GENERIC_ODBC=0
1842
1843 if test "${PBX_UNIXODBC}" = 1; then
1844    PBX_GENERIC_ODBC=1
1845    GENERIC_ODBC_LIB="${UNIXODBC_LIB}"
1846    GENERIC_ODBC_INCLUDE="${UNIXODBC_INCLUDE}"
1847 elif test "${PBX_IODBC}" = 1; then
1848    PBX_GENERIC_ODBC=1
1849    GENERIC_ODBC_LIB="${IODBC_LIB}"
1850    GENERIC_ODBC_INCLUDE="${IODBC_INCLUDE}"
1851 fi
1852
1853 AC_SUBST([GENERIC_ODBC_LIB])
1854 AC_SUBST([GENERIC_ODBC_INCLUDE])
1855 AC_SUBST([PBX_GENERIC_ODBC])
1856
1857 PBX_SYSLOG=0
1858
1859 if test "${ac_cv_header_syslog_h}" = "yes"; then
1860    # syslog facilities
1861    AST_C_DEFINE_CHECK([SYSLOG_FACILITY_LOG_AUTH],     [LOG_AUTH],     [syslog.h])
1862    AST_C_DEFINE_CHECK([SYSLOG_FACILITY_LOG_AUTHPRIV], [LOG_AUTHPRIV], [syslog.h])
1863    AST_C_DEFINE_CHECK([SYSLOG_FACILITY_LOG_CRON],     [LOG_CRON],     [syslog.h])
1864    AST_C_DEFINE_CHECK([SYSLOG_FACILITY_LOG_DAEMON],   [LOG_DAEMON],   [syslog.h])
1865    AST_C_DEFINE_CHECK([SYSLOG_FACILITY_LOG_FTP],      [LOG_FTP],      [syslog.h])
1866    AST_C_DEFINE_CHECK([SYSLOG_FACILITY_LOG_KERN],     [LOG_KERN],     [syslog.h])
1867    AST_C_DEFINE_CHECK([SYSLOG_FACILITY_LOG_LPR],      [LOG_LPR],      [syslog.h])
1868    AST_C_DEFINE_CHECK([SYSLOG_FACILITY_LOG_MAIL],     [LOG_MAIL],     [syslog.h])
1869    AST_C_DEFINE_CHECK([SYSLOG_FACILITY_LOG_NEWS],     [LOG_NEWS],     [syslog.h])
1870    AST_C_DEFINE_CHECK([SYSLOG_FACILITY_LOG_SYSLOG],   [LOG_SYSLOG],   [syslog.h])
1871    AST_C_DEFINE_CHECK([SYSLOG_FACILITY_LOG_UUCP],     [LOG_UUCP],     [syslog.h])
1872    PBX_SYSLOG=1
1873 fi
1874
1875 AC_SUBST([PBX_SYSLOG])
1876
1877 AC_CONFIG_FILES([build_tools/menuselect-deps makeopts channels/h323/Makefile])
1878 AST_CHECK_MANDATORY
1879
1880 if test -f build_tools/menuselect-deps; then
1881     # extract old values of all PBX_ variables from menuselect-deps
1882     # and preserve them so that menuselect can determine whether
1883     # any previously-met dependencies are no longer met and warn
1884     # the user appropriately
1885     while IFS="=:" read var val old_val; do
1886         eval "PBX_${var}=\${PBX_${var}}:${val}"
1887     done < build_tools/menuselect-deps
1888 fi
1889
1890 AC_OUTPUT
1891
1892 if test "x${silent}" != "xyes" ; then
1893 echo
1894 echo "               .\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$=..      "
1895 echo "            .\$7\$7..          .7\$\$7:.    "
1896 echo "          .\$\$:.                 ,\$7.7   "
1897 echo "        .\$7.     7\$\$\$\$           .\$\$77  "
1898 echo "     ..\$\$.       \$\$\$\$\$            .\$\$\$7 "
1899 echo "    ..7\$   .?.   \$\$\$\$\$   .?.       7\$\$\$."
1900 echo "   \$.\$.   .\$\$\$7. \$\$\$\$7 .7\$\$\$.      .\$\$\$."
1901 echo " .777.   .\$\$\$\$\$\$77\$\$\$77\$\$\$\$\$7.      \$\$\$,"
1902 echo " \$\$\$~      .7\$\$\$\$\$\$\$\$\$\$\$\$\$7.       .\$\$\$."
1903 echo ".\$\$7          .7\$\$\$\$\$\$\$7:          ?\$\$\$."
1904 echo "\$\$\$          ?7\$\$\$\$\$\$\$\$\$\$I        .\$\$\$7 "
1905 echo "\$\$\$       .7\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$      :\$\$\$. "
1906 echo "\$\$\$       \$\$\$\$\$\$7\$\$\$\$\$\$\$\$\$\$\$\$    .\$\$\$.  "
1907 echo "\$\$\$        \$\$\$   7\$\$\$7  .\$\$\$    .\$\$\$.   "
1908 echo "\$\$\$\$             \$\$\$\$7         .\$\$\$.    "
1909 echo "7\$\$\$7            7\$\$\$\$        7\$\$\$      "
1910 echo " \$\$\$\$\$                        \$\$\$       "
1911 echo "  \$\$\$\$7.                       \$\$  (TM)     "
1912 echo "   \$\$\$\$\$\$\$.           .7\$\$\$\$\$\$  \$\$      "
1913 echo "     \$\$\$\$\$\$\$\$\$\$\$\$7\$\$\$\$\$\$\$\$\$.\$\$\$\$\$\$      "
1914 echo "       \$\$\$\$\$\$\$\$\$\$\$\$\$\$\$\$.                "
1915 echo
1916 fi
1917
1918 AC_MSG_NOTICE(Package configured for: )
1919 AC_MSG_NOTICE( OS type  : $host_os)
1920 AC_MSG_NOTICE( Host CPU : $host_cpu)
1921 AC_MSG_NOTICE( build-cpu:vendor:os: $build_cpu : $build_vendor : $build_os :) 
1922 AC_MSG_NOTICE( host-cpu:vendor:os: $host_cpu : $host_vendor : $host_os :) 
1923 if test "${cross_compiling}" = "yes"; then
1924    AC_MSG_NOTICE( Cross Compilation = YES)
1925 fi