Fix a couple (value) mistakes in value_strings. Found by Martin's patch on the ...
[obnox/wireshark/wip.git] / acinclude.m4
1 dnl Macros that test for specific features.
2 dnl This file is part of the Autoconf packaging for Wireshark.
3 dnl Copyright (C) 1998-2000 by Gerald Combs.
4 dnl
5 dnl $Id$
6 dnl
7 dnl This program is free software; you can redistribute it and/or modify
8 dnl it under the terms of the GNU General Public License as published by
9 dnl the Free Software Foundation; either version 2, or (at your option)
10 dnl any later version.
11 dnl
12 dnl This program is distributed in the hope that it will be useful,
13 dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
14 dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15 dnl GNU General Public License for more details.
16 dnl
17 dnl You should have received a copy of the GNU General Public License
18 dnl along with this program; if not, write to the Free Software
19 dnl Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
20 dnl 02111-1307, USA.
21 dnl
22 dnl As a special exception, the Free Software Foundation gives unlimited
23 dnl permission to copy, distribute and modify the configure scripts that
24 dnl are the output of Autoconf.  You need not follow the terms of the GNU
25 dnl General Public License when using or distributing such scripts, even
26 dnl though portions of the text of Autoconf appear in them.  The GNU
27 dnl General Public License (GPL) does govern all other use of the material
28 dnl that constitutes the Autoconf program.
29 dnl
30 dnl Certain portions of the Autoconf source text are designed to be copied
31 dnl (in certain cases, depending on the input) into the output of
32 dnl Autoconf.  We call these the "data" portions.  The rest of the Autoconf
33 dnl source text consists of comments plus executable code that decides which
34 dnl of the data portions to output in any given case.  We call these
35 dnl comments and executable code the "non-data" portions.  Autoconf never
36 dnl copies any of the non-data portions into its output.
37 dnl
38 dnl This special exception to the GPL applies to versions of Autoconf
39 dnl released by the Free Software Foundation.  When you make and
40 dnl distribute a modified version of Autoconf, you may extend this special
41 dnl exception to the GPL to apply to your modified version as well, *unless*
42 dnl your modified version has the potential to copy into its output some
43 dnl of the text that was the non-data portion of the version that you started
44 dnl with.  (In other words, unless your change moves or copies text from
45 dnl the non-data portions to the data portions.)  If your modification has
46 dnl such potential, you must delete any notice of this special exception
47 dnl to the GPL from your modified version.
48 dnl
49 dnl Written by David MacKenzie, with help from
50 dnl Franc,ois Pinard, Karl Berry, Richard Pixley, Ian Lance Taylor,
51 dnl Roland McGrath, Noah Friedman, david d zuhn, and many others.
52
53 #
54 # AC_WIRESHARK_ADD_DASH_L
55 #
56 # Add to the variable specified as the first argument a "-L" flag for the
57 # directory specified as the second argument, and, on Solaris, add a
58 # "-R" flag for it as well.
59 #
60 # XXX - IRIX, and other OSes, may require some flag equivalent to
61 # "-R" here.
62 #
63 AC_DEFUN([AC_WIRESHARK_ADD_DASH_L],
64 [$1="$$1 -L$2"
65 case "$host_os" in
66   solaris*)
67     $1="$$1 -R$2"
68   ;;
69 esac
70 ])
71
72 #
73 # AC_WIRESHARK_TIMEZONE_ABBREV
74 #
75
76 AC_DEFUN([AC_WIRESHARK_TIMEZONE_ABBREV],
77 [
78   AC_CACHE_CHECK([for tm_zone in struct tm],
79     ac_cv_wireshark_have_tm_zone,
80     [
81       AC_TRY_COMPILE(
82         [#include <time.h>],
83         [struct tm t; t.tm_zone;],
84         ac_cv_wireshark_have_tm_zone=yes,
85         ac_cv_wireshark_have_tm_zone=no)
86     ])
87   if test $ac_cv_wireshark_have_tm_zone = yes; then
88     AC_DEFINE(HAVE_TM_ZONE, 1, [Define if tm_zone field exists in struct tm])
89   else
90     AC_CACHE_CHECK([for tzname],
91       ac_cv_wireshark_have_tzname,
92       [
93         AC_TRY_LINK(
94 [#include <time.h>
95 #include <stdio.h>],
96           [printf("%s", tzname[0]);],
97           ac_cv_wireshark_have_tzname=yes,
98           ac_cv_wireshark_have_tzname=no)
99       ])
100     if test $ac_cv_wireshark_have_tzname = yes; then
101       AC_DEFINE(HAVE_TZNAME, 1, [Define if tzname array exists])
102     fi
103   fi
104 ])
105
106
107 #
108 # AC_WIRESHARK_STRUCT_SA_LEN
109 #
110 dnl AC_STRUCT_ST_BLKSIZE extracted from the file in question,
111 dnl "acspecific.m4" in GNU Autoconf 2.12, and turned into
112 dnl AC_WIRESHARK_STRUCT_SA_LEN, which checks if "struct sockaddr"
113 dnl has the 4.4BSD "sa_len" member, and defines HAVE_SA_LEN; that's
114 dnl what's in this file.
115 dnl Done by Guy Harris <guy@alum.mit.edu> on 1998-11-14.
116
117 dnl ### Checks for structure members
118
119 AC_DEFUN([AC_WIRESHARK_STRUCT_SA_LEN],
120 [AC_CACHE_CHECK([for sa_len in struct sockaddr], ac_cv_wireshark_struct_sa_len,
121 [AC_TRY_COMPILE([#include <sys/types.h>
122 #include <sys/socket.h>], [struct sockaddr s; s.sa_len;],
123 ac_cv_wireshark_struct_sa_len=yes, ac_cv_wireshark_struct_sa_len=no)])
124 if test $ac_cv_wireshark_struct_sa_len = yes; then
125   AC_DEFINE(HAVE_SA_LEN, 1, [Define if sa_len field exists in struct sockaddr])
126 fi
127 ])
128
129
130 #
131 # AC_WIRESHARK_IPV6_STACK
132 #
133 # By Jun-ichiro "itojun" Hagino, <itojun@iijlab.net>
134 #
135 AC_DEFUN([AC_WIRESHARK_IPV6_STACK],
136 [
137         v6type=unknown
138         v6lib=none
139
140         AC_MSG_CHECKING([ipv6 stack type])
141         for i in v6d toshiba kame inria zeta linux linux-glibc solaris8; do
142                 case $i in
143                 v6d)
144                         AC_EGREP_CPP(yes, [
145 #include </usr/local/v6/include/sys/types.h>
146 #ifdef __V6D__
147 yes
148 #endif],
149                                 [v6type=$i; v6lib=v6;
150                                 v6libdir=/usr/local/v6/lib;
151                                 CFLAGS="-I/usr/local/v6/include $CFLAGS"])
152                         ;;
153                 toshiba)
154                         AC_EGREP_CPP(yes, [
155 #include <sys/param.h>
156 #ifdef _TOSHIBA_INET6
157 yes
158 #endif],
159                                 [v6type=$i; v6lib=inet6;
160                                 v6libdir=/usr/local/v6/lib;
161                                 CFLAGS="-DINET6 $CFLAGS"])
162                         ;;
163                 kame)
164                         AC_EGREP_CPP(yes, [
165 #include <netinet/in.h>
166 #ifdef __KAME__
167 yes
168 #endif],
169                                 [v6type=$i; v6lib=inet6;
170                                 v6libdir=/usr/local/v6/lib;
171                                 CFLAGS="-DINET6 $CFLAGS"])
172                         ;;
173                 inria)
174                         AC_EGREP_CPP(yes, [
175 #include <netinet/in.h>
176 #ifdef IPV6_INRIA_VERSION
177 yes
178 #endif],
179                                 [v6type=$i; CFLAGS="-DINET6 $CFLAGS"])
180                         ;;
181                 zeta)
182                         AC_EGREP_CPP(yes, [
183 #include <sys/param.h>
184 #ifdef _ZETA_MINAMI_INET6
185 yes
186 #endif],
187                                 [v6type=$i; v6lib=inet6;
188                                 v6libdir=/usr/local/v6/lib;
189                                 CFLAGS="-DINET6 $CFLAGS"])
190                         ;;
191                 linux)
192                         if test -d /usr/inet6; then
193                                 v6type=$i
194                                 v6lib=inet6
195                                 v6libdir=/usr/inet6
196                                 CFLAGS="-DINET6 $CFLAGS"
197                         fi
198                         ;;
199                 linux-glibc)
200                         AC_EGREP_CPP(yes, [
201 #include <features.h>
202 #if defined(__GLIBC__) && defined(__GLIBC_MINOR__)
203 #if (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 1) || __GLIBC__ > 2
204 yes
205 #endif
206 #endif],
207                         [v6type=$i; v6lib=inet6; CFLAGS="-DINET6 $CFLAGS"])
208                         ;;
209                 solaris8)
210                         if test "`uname -s`" = "SunOS" && test "`uname -r`" = "5.8"; then
211                                 v6type=$i
212                                 v6lib=inet6
213                                 [CFLAGS="-DINET6 -DSOLARIS8_INET6 $CFLAGS"]
214                         fi
215                         ;;
216                 esac
217                 if test "$v6type" != "unknown"; then
218                         break
219                 fi
220         done
221
222         if test "$v6lib" != "none"; then
223                 for dir in $v6libdir /usr/local/v6/lib /usr/local/lib; do
224                         if test -d $dir -a -f $dir/lib$v6lib.a; then
225                                 LIBS="-L$dir $LIBS -l$v6lib"
226                                 break
227                         fi
228                 done
229                 enable_ipv6="yes"
230         else
231                 enable_ipv6="no"
232         fi
233         AC_MSG_RESULT(["$v6type, $v6lib"])
234 ])
235
236 #
237 # AC_WIRESHARK_GETHOSTBY_LIB_CHECK
238 #
239 # Checks whether we need "-lnsl" to get "gethostby*()", which we use
240 # in "resolv.c".
241 #
242 # Adapted from stuff in the AC_PATH_XTRA macro in "acspecific.m4" in
243 # GNU Autoconf 2.13; the comment came from there.
244 # Done by Guy Harris <guy@alum.mit.edu> on 2000-01-14.
245 #
246 AC_DEFUN([AC_WIRESHARK_GETHOSTBY_LIB_CHECK],
247 [
248     # msh@cis.ufl.edu says -lnsl (and -lsocket) are needed for his 386/AT,
249     # to get the SysV transport functions.
250     # chad@anasazi.com says the Pyramid MIS-ES running DC/OSx (SVR4)
251     # needs -lnsl.
252     # The nsl library prevents programs from opening the X display
253     # on Irix 5.2, according to dickey@clark.net.
254     AC_CHECK_FUNC(gethostbyname, ,
255         AC_CHECK_LIB(nsl, gethostbyname, NSL_LIBS="-lnsl"))
256     AC_SUBST(NSL_LIBS)
257 ])
258
259 #
260 # AC_WIRESHARK_SOCKET_LIB_CHECK
261 #
262 # Checks whether we need "-lsocket" to get "socket()", which is used
263 # by libpcap on some platforms - and, in effect, "gethostby*()" on
264 # most if not all platforms (so that it can use NIS or DNS or...
265 # to look up host names).
266 #
267 # Adapted from stuff in the AC_PATH_XTRA macro in "acspecific.m4" in
268 # GNU Autoconf 2.13; the comment came from there.
269 # Done by Guy Harris <guy@alum.mit.edu> on 2000-01-14.
270 #
271 # We use "connect" because that's what AC_PATH_XTRA did.
272 #
273 AC_DEFUN([AC_WIRESHARK_SOCKET_LIB_CHECK],
274 [
275     # lieder@skyler.mavd.honeywell.com says without -lsocket,
276     # socket/setsockopt and other routines are undefined under SCO ODT
277     # 2.0.  But -lsocket is broken on IRIX 5.2 (and is not necessary
278     # on later versions), says simon@lia.di.epfl.ch: it contains
279     # gethostby* variants that don't use the nameserver (or something).
280     # -lsocket must be given before -lnsl if both are needed.
281     # We assume that if connect needs -lnsl, so does gethostbyname.
282     AC_CHECK_FUNC(connect, ,
283       AC_CHECK_LIB(socket, connect, SOCKET_LIBS="-lsocket",
284                 AC_MSG_ERROR(Function 'socket' not found.), $NSL_LIBS))
285     AC_SUBST(SOCKET_LIBS)
286 ])
287
288 #
289 # AC_WIRESHARK_BREAKLOOP_TRY_LINK
290 #
291 AC_DEFUN([AC_WIRESHARK_PCAP_BREAKLOOP_TRY_LINK],
292 [
293   AC_LINK_IFELSE(
294   [
295       AC_LANG_SOURCE(
296       [[
297 #       include <pcap.h>
298         int main(void)
299         {
300           pcap_t  *pct = NULL;
301           pcap_breakloop(pct);
302           return 0;
303         }
304       ]])
305   ],
306   [
307     ws_breakloop_compiled=yes
308   ],
309   [
310     ws_breakloop_compiled=no
311   ])
312 ])
313
314
315
316 #
317 # AC_WIRESHARK_PCAP_CHECK
318 #
319 AC_DEFUN([AC_WIRESHARK_PCAP_CHECK],
320 [
321         if test -z "$pcap_dir"
322         then
323           # Pcap header checks
324           # XXX need to set a var AC_CHECK_HEADER(pcap.h,,)
325
326           #
327           # The user didn't specify a directory in which libpcap resides.
328           # First, look for a pcap-config script.
329           #
330           AC_PATH_PROG(PCAP_CONFIG, pcap-config)
331
332           if test -n "$PCAP_CONFIG" ; then
333             #
334             # Found it.
335             #
336             # Now check whether it's the libpcap 1.0 version, which
337             # put a space after "-L" - on some platforms, that doesn't
338             # work.
339             #
340             AC_MSG_CHECKING(for broken pcap-config)
341             case "`\"$PCAP_CONFIG\" --libs`" in
342
343             "-L "*)
344               #
345               # Space after -L.  Pretend pcap-config doesn't exist.
346               #
347               AC_MSG_RESULT(yes)
348               PCAP_CONFIG=""
349               ;;
350
351             *)
352               #
353               # No space after -L.
354               #
355               AC_MSG_RESULT(no)
356               ;;
357             esac
358           fi
359           if test -n "$PCAP_CONFIG" ; then
360             #
361             # Found it, and it's usable; use it to get the include flags
362             # for libpcap.
363             #
364             CFLAGS="$CFLAGS `\"$PCAP_CONFIG\" --cflags`"
365             CPPFLAGS="$CPPFLAGS `\"$PCAP_CONFIG\" --cflags`"
366           else
367             #
368             # Didn't find it; we have to look for libpcap ourselves.
369             # We assume that the current library search path will work,
370             # but we may have to look for the header in a "pcap"
371             # subdirectory of "/usr/include" or "/usr/local/include",
372             # as some systems apparently put "pcap.h" in a "pcap"
373             # subdirectory, and we also check "$prefix/include" - and
374             # "$prefix/include/pcap", in case $prefix is set to
375             # "/usr/include" or "/usr/local/include".
376             #
377             # XXX - should we just add "$prefix/include" to the include
378             # search path and "$prefix/lib" to the library search path?
379             #
380             AC_MSG_CHECKING(for extraneous pcap header directories)
381             found_pcap_dir=""
382             pcap_dir_list="/usr/include/pcap $prefix/include/pcap $prefix/include"
383             if test "x$ac_cv_enable_usr_local" = "xyes" ; then
384               pcap_dir_list="$pcap_dir_list /usr/local/include/pcap"
385             fi
386             for pcap_dir in $pcap_dir_list
387             do
388               if test -d $pcap_dir ; then
389                 if test x$pcap_dir != x/usr/include -a x$pcap_dir != x/usr/local/include ; then
390                     CFLAGS="$CFLAGS -I$pcap_dir"
391                     CPPFLAGS="$CPPFLAGS -I$pcap_dir"
392                 fi
393                 found_pcap_dir=" $found_pcap_dir -I$pcap_dir"
394                 break
395               fi
396             done
397
398             if test "$found_pcap_dir" != "" ; then
399               AC_MSG_RESULT(found --$found_pcap_dir added to CFLAGS)
400             else
401               AC_MSG_RESULT(not found)
402             fi
403           fi
404         else
405           #
406           # The user specified a directory in which libpcap resides,
407           # so add the "include" subdirectory of that directory to
408           # the include file search path and the "lib" subdirectory
409           # of that directory to the library search path.
410           #
411           # XXX - if there's also a libpcap in a directory that's
412           # already in CFLAGS, CPPFLAGS, or LDFLAGS, this won't
413           # make us find the version in the specified directory,
414           # as the compiler and/or linker will search that other
415           # directory before it searches the specified directory.
416           #
417           CFLAGS="$CFLAGS -I$pcap_dir/include"
418           CPPFLAGS="$CPPFLAGS -I$pcap_dir/include"
419           AC_WIRESHARK_ADD_DASH_L(LDFLAGS, $pcap_dir/lib)
420         fi
421
422         # Pcap header check
423         AC_CHECK_HEADER(pcap.h,,
424             AC_MSG_ERROR([[Header file pcap.h not found; if you installed libpcap
425 from source, did you also do \"make install-incl\", and if you installed a
426 binary package of libpcap, is there also a developer's package of libpcap,
427 and did you also install that package?]]))
428
429         if test -n "$PCAP_CONFIG" ; then
430           #
431           # We have pcap-config; we assume that means we have libpcap
432           # installed and that pcap-config will tell us whatever
433           # libraries libpcap needs.
434           #
435           if test x$enable_static = xyes; then
436             PCAP_LIBS="`\"$PCAP_CONFIG\" --libs --static`"
437           else
438             PCAP_LIBS="`\"$PCAP_CONFIG\" --libs`"
439           fi
440           AC_DEFINE(HAVE_LIBPCAP, 1, [Define to use libpcap library])
441         else
442           #
443           # Check to see if we find "pcap_open_live" in "-lpcap".
444           # Also check for various additional libraries that libpcap might
445           # require.
446           #
447           AC_CHECK_LIB(pcap, pcap_open_live,
448             [
449               PCAP_LIBS=-lpcap
450               AC_DEFINE(HAVE_LIBPCAP, 1, [Define to use libpcap library])
451             ], [
452               ac_wireshark_extras_found=no
453               ac_save_LIBS="$LIBS"
454               for extras in "-lcfg -lodm" "-lpfring"
455               do
456                 AC_MSG_CHECKING([for pcap_open_live in -lpcap with $extras])
457                 LIBS="-lpcap $extras"
458                 #
459                 # XXX - can't we use AC_CHECK_LIB here?
460                 #
461                 AC_TRY_LINK(
462                     [
463 #       include <pcap.h>
464                     ],
465                     [
466         pcap_open_live(NULL, 0, 0, 0, NULL);
467                     ],
468                     [
469                         ac_wireshark_extras_found=yes
470                         AC_MSG_RESULT([yes])
471                         PCAP_LIBS="-lpcap $extras"
472                         AC_DEFINE(HAVE_LIBPCAP, 1, [Define to use libpcap library])
473                     ],
474                     [
475                         AC_MSG_RESULT([no])
476                     ])
477                 if test x$ac_wireshark_extras_found = xyes
478                 then
479                     break
480                 fi
481               done
482               if test x$ac_wireshark_extras_found = xno
483               then
484                 AC_MSG_ERROR([Can't link with library libpcap.])
485               fi
486               LIBS=$ac_save_LIBS
487             ], $SOCKET_LIBS $NSL_LIBS)
488         fi
489         AC_SUBST(PCAP_LIBS)
490
491         #
492         # Check whether various variables and functions are defined by
493         # libpcap.
494         #
495         ac_save_LIBS="$LIBS"
496         AC_MSG_CHECKING(whether pcap_version is defined by libpcap)
497         LIBS="$PCAP_LIBS $SOCKET_LIBS $NSL_LIBS $LIBS"
498         AC_TRY_LINK(
499            [
500 #       include <stdio.h>
501         extern char *pcap_version;
502            ],
503            [
504         printf ("%s\n", pcap_version);
505            ],
506            ac_cv_pcap_version_defined=yes,
507            ac_cv_pcap_version_defined=no,
508            [echo $ac_n "cross compiling; assumed OK... $ac_c"])
509         if test "$ac_cv_pcap_version_defined" = yes ; then
510                 AC_MSG_RESULT(yes)
511                 AC_DEFINE(HAVE_PCAP_VERSION, 1, [Define if libpcap version is known])
512         else
513                 AC_MSG_RESULT(no)
514         fi
515         AC_CHECK_FUNCS(pcap_open_dead pcap_freecode)
516         #
517         # pcap_breakloop may be present in the library but not declared
518         # in the pcap.h header file.  If it's not declared in the header
519         # file, attempts to use it will get warnings, and, if we're
520         # building with warnings treated as errors, that warning will
521         # cause compilation to fail.
522         #
523         # We are therefore first testing whether the function is present
524         # and then, if we're compiling with warnings as errors, testing
525         # whether it is usable.  It is usable if it compiles without
526         # a -Wimplicit warning (the "compile with warnings as errors"
527         # option requires GCC). If it is not usable, we fail and tell
528         # the user that the pcap.h header needs to be updated.
529         #
530         # Ceteris paribus, this should only happen with Mac OS X 10.3[.x] which
531         # can have an up-to-date pcap library without the corresponding pcap
532         # header.
533         #
534         # However, it might also happen on some others OSes with some erroneous
535         # system manipulations where multiple versions of libcap might co-exist
536         # e.g. hand made symbolic link from libpcap.so -> libpcap.so.0.8 but
537         # having the pcap header version 0.7.
538         #
539         AC_MSG_CHECKING([whether pcap_breakloop is present])
540         ac_CFLAGS_saved="$CFLAGS"
541         AC_WIRESHARK_PCAP_BREAKLOOP_TRY_LINK
542         if test "x$ws_breakloop_compiled" = "xyes"; then
543           AC_MSG_RESULT(yes)
544           AC_DEFINE(HAVE_PCAP_BREAKLOOP, 1, [Define if pcap_breakloop is known])
545           if test "x$with_warnings_as_errors" = "xyes"; then
546             AC_MSG_CHECKING([whether pcap_breakloop is usable])
547             CFLAGS="$CFLAGS -Werror -Wimplicit"
548             AC_WIRESHARK_PCAP_BREAKLOOP_TRY_LINK
549             if test "x$ws_breakloop_compiled" = "xyes"; then
550               AC_MSG_RESULT(yes)
551             else
552               AC_MSG_RESULT(no)
553               AC_MSG_ERROR(
554 [Your pcap library is more recent than your pcap header.
555 As you are building with compiler warnings treated as errors, Wireshark
556 won't be able to use functions not declared in that header.
557 If you wish to build with compiler warnings treated as errors, You should
558 install a newer version of the header file.])
559             fi
560             CFLAGS="$ac_CFLAGS_saved"
561           fi
562         else
563           AC_MSG_RESULT(no)
564         fi
565
566         #
567         # Later versions of Mac OS X 10.3[.x] ship a pcap.h that
568         # doesn't define pcap_if_t but ship an 0.8[.x] libpcap,
569         # so the library has "pcap_findalldevs()", but pcap.h
570         # doesn't define "pcap_if_t" so you can't actually *use*
571         # "pcap_findalldevs()".
572         #
573         # That even appears to be true of systems shipped with
574         # 10.3.4, so it doesn't appear only to be a case of
575         # Software Update not updating header files.
576         #
577         # (You can work around this by installing the 0.8 header
578         # files.)
579         #
580         AC_CACHE_CHECK([whether pcap_findalldevs is present and usable],
581           [ac_cv_func_pcap_findalldevs],
582           [
583             AC_LINK_IFELSE(
584               [
585                 AC_LANG_SOURCE(
586                   [[
587                     #include <pcap.h>
588                     main()
589                     {
590                       pcap_if_t *devpointer;
591                       char errbuf[1];
592
593                       pcap_findalldevs(&devpointer, errbuf);
594                     }
595                   ]])
596               ],
597               [
598                 ac_cv_func_pcap_findalldevs=yes
599               ],
600               [
601                 ac_cv_func_pcap_findalldevs=no
602               ])
603           ])
604         #
605         # Don't check for other new routines that showed up after
606         # "pcap_findalldevs()" if we don't have a usable
607         # "pcap_findalldevs()", so we don't end up using them if the
608         # "pcap.h" is crufty and old and doesn't declare them.
609         #
610         if test $ac_cv_func_pcap_findalldevs = "yes" ; then
611           AC_DEFINE(HAVE_PCAP_FINDALLDEVS, 1,
612            [Define to 1 if you have the `pcap_findalldevs' function and a pcap.h that declares pcap_if_t.])
613           AC_CHECK_FUNCS(pcap_datalink_val_to_name pcap_datalink_name_to_val)
614           AC_CHECK_FUNCS(pcap_datalink_val_to_description)
615           AC_CHECK_FUNCS(pcap_list_datalinks pcap_set_datalink pcap_lib_version)
616           AC_CHECK_FUNCS(pcap_get_selectable_fd pcap_free_datalinks)
617           AC_CHECK_FUNCS(pcap_create bpf_image)
618         fi
619         LIBS="$ac_save_LIBS"
620 ])
621
622 AC_DEFUN([AC_WIRESHARK_PCAP_REMOTE_CHECK],
623 [
624     ac_save_LIBS="$LIBS"
625     LIBS="$PCAP_LIBS $SOCKET_LIBS $NSL_LIBS $LIBS"
626     AC_DEFINE(HAVE_REMOTE, 1, [Define to 1 to enable remote
627               capturing feature in WinPcap library])
628     AC_CHECK_FUNCS(pcap_open pcap_findalldevs_ex pcap_createsrcstr)
629     if test $ac_cv_func_pcap_open = "yes" -a \
630             $ac_cv_func_pcap_findalldevs_ex = "yes" -a \
631             $ac_cv_func_pcap_createsrcstr = "yes" ; then
632         AC_DEFINE(HAVE_PCAP_REMOTE, 1,
633             [Define to 1 if you have WinPcap remote capturing support and prefer to use these new API features.])
634     fi
635     AC_CHECK_FUNCS(pcap_setsampling)
636     LIBS="$ac_save_LIBS"
637 ])
638
639 #
640 # AC_WIRESHARK_ZLIB_CHECK
641 #
642 AC_DEFUN([AC_WIRESHARK_ZLIB_CHECK],
643 [
644         if test "x$zlib_dir" != "x"
645         then
646           #
647           # The user specified a directory in which zlib resides,
648           # so add the "include" subdirectory of that directory to
649           # the include file search path and the "lib" subdirectory
650           # of that directory to the library search path.
651           #
652           # XXX - if there's also a zlib in a directory that's
653           # already in CFLAGS, CPPFLAGS, or LDFLAGS, this won't
654           # make us find the version in the specified directory,
655           # as the compiler and/or linker will search that other
656           # directory before it searches the specified directory.
657           #
658           wireshark_save_CFLAGS="$CFLAGS"
659           CFLAGS="$CFLAGS -I$zlib_dir/include"
660           wireshark_save_CPPFLAGS="$CPPFLAGS"
661           CPPFLAGS="$CPPFLAGS -I$zlib_dir/include"
662           wireshark_save_LIBS="$LIBS"
663           AC_WIRESHARK_ADD_DASH_L(LIBS, $zlib_dir/lib)
664         fi
665
666         #
667         # Make sure we have "zlib.h".  If we don't, it means we probably
668         # don't have zlib, so don't use it.
669         #
670         AC_CHECK_HEADER(zlib.h,,
671           [
672             if test "x$zlib_dir" != "x"
673             then
674               #
675               # The user used "--with-zlib=" to specify a directory
676               # containing zlib, but we didn't find the header file
677               # there; that either means they didn't specify the
678               # right directory or are confused about whether zlib
679               # is, in fact, installed.  Report the error and give up.
680               #
681               AC_MSG_ERROR([zlib header not found in directory specified in --with-zlib])
682             else
683               if test "x$want_zlib" = "xyes"
684               then
685                 #
686                 # The user tried to force us to use the library, but we
687                 # couldn't find the header file; report an error.
688                 #
689                 AC_MSG_ERROR(Header file zlib.h not found.)
690               else
691                 #
692                 # We couldn't find the header file; don't use the
693                 # library, as it's probably not present.
694                 #
695                 want_zlib=no
696               fi
697             fi
698           ])
699
700         if test "x$want_zlib" != "xno"
701         then
702                 #
703                 # Well, we at least have the zlib header file.
704                 # We link with zlib to support uncompression of
705                 # gzipped network traffic, e.g. in an HTTP request
706                 # or response body.
707                 #
708                 if test "x$zlib_dir" != "x"
709                 then
710                         #
711                         # Put the "-I" and "-L" flags for zlib at
712                         # the beginning of CFLAGS, CPPFLAGS, and
713                         # LIBS.
714                         #
715                         LIBS=""
716                         AC_WIRESHARK_ADD_DASH_L(LIBS, $zlib_dir/lib)
717                         LIBS="$LIBS -lz $wireshark_save_LIBS"
718                 else
719                         LIBS="-lz $LIBS"
720                 fi
721                 AC_DEFINE(HAVE_LIBZ, 1, [Define to use libz library])
722
723                 #
724                 # Check for "inflatePrime()" in zlib, which we need
725                 # in order to read compressed capture files.
726                 #
727                 AC_CHECK_FUNCS(inflatePrime)
728
729                 if test "x$ac_cv_func_inflatePrime" = "xyes" ; then
730                         #
731                         # Now check for "inflatePrime()" in zlib when
732                         # linking with the linker flags for GTK+
733                         # applications; people often grab XFree86 source
734                         # and build and install it on their systems,
735                         # and they appear sometimes to misconfigure
736                         # XFree86 so that, even on systems with zlib,
737                         # it assumes there is no zlib, so the XFree86
738                         # build process builds and installs its
739                         # own zlib in the X11 library directory.
740                         #
741                         # The zlib in at least some versions of XFree86
742                         # is an older version that may lack "inflatePrime()",
743                         # and that's the zlib with which Wireshark gets
744                         # linked, so the build of Wireshark fails.
745                         #
746                         AC_MSG_CHECKING([for inflatePrime missing when linking with X11])
747                         AC_TRY_LINK_FUNC(inflatePrime, AC_MSG_RESULT(no),
748                           [
749                             AC_MSG_RESULT(yes)
750                             AC_MSG_ERROR(old zlib found when linking with X11 - get rid of old zlib.)
751                           ])
752                 fi
753         else
754                 #
755                 # Restore the versions of CFLAGS, CPPFLAGS,
756                 # and LIBS before we added the "-with-zlib="
757                 # directory, as we didn't actually find
758                 # zlib there.
759                 #
760                 CFLAGS="$wireshark_save_CFLAGS"
761                 CPPFLAGS="$wireshark_save_CPPFLAGS"
762                 LIBS="$wireshark_save_LIBS"
763                 want_zlib=no
764         fi
765 ])
766
767 #
768 # AC_WIRESHARK_LIBPCRE_CHECK
769 #
770 AC_DEFUN([AC_WIRESHARK_LIBPCRE_CHECK],
771 [
772         if test "x$pcre_dir" != "x"
773         then
774           #
775           # The user specified a directory in which libpcre resides,
776           # so add the "include" subdirectory of that directory to
777           # the include file search path and the "lib" subdirectory
778           # of that directory to the library search path.
779           #
780           # XXX - if there's also a libpcre in a directory that's
781           # already in CFLAGS, CPPFLAGS, or LDFLAGS, this won't
782           # make us find the version in the specified directory,
783           # as the compiler and/or linker will search that other
784           # directory before it searches the specified directory.
785           #
786           wireshark_save_CFLAGS="$CFLAGS"
787           CFLAGS="$CFLAGS -I$pcre_dir/include"
788           wireshark_save_CPPFLAGS="$CPPFLAGS"
789           CPPFLAGS="$CPPFLAGS -I$pcre_dir/include"
790           wireshark_save_LIBS="$LIBS"
791           LIBS="$LIBS -lpcre"
792           wireshark_save_LDFLAGS="$LDFLAGS"
793           LDFLAGS="$LDFLAGS -L$pcre_dir/lib"
794         fi
795
796         #
797         # Make sure we have "pcre.h".  If we don't, it means we probably
798         # don't have libpcre, so don't use it.
799         #
800         AC_CHECK_HEADER(pcre.h,,
801           [
802             if test "x$pcre_dir" != "x"
803             then
804               #
805               # The user used "--with-pcre=" to specify a directory
806               # containing libpcre, but we didn't find the header file
807               # there; that either means they didn't specify the
808               # right directory or are confused about whether libpcre
809               # is, in fact, installed.  Report the error and give up.
810               #
811               AC_MSG_ERROR([libpcre header not found in directory specified in --with-pcre])
812             else
813               if test "x$want_pcre" = "xyes"
814               then
815                 #
816                 # The user tried to force us to use the library, but we
817                 # couldn't find the header file; report an error.
818                 #
819                 AC_MSG_ERROR(Header file pcre.h not found.)
820               else
821                 #
822                 # We couldn't find the header file; don't use the
823                 # library, as it's probably not present.
824                 #
825                 want_pcre=no
826               fi
827             fi
828           ])
829
830         if test "x$want_pcre" != "xno"
831         then
832                 #
833                 # Well, we at least have the pcre header file.
834                 #
835                 # We're only using standard functions from libpcre,
836                 # so we don't need to perform extra checks.
837                 #
838                 AC_CHECK_LIB(pcre, pcre_compile,
839                 [
840                         if test "x$pcre_dir" != "x"
841                         then
842                                 #
843                                 # Put the "-I" and "-L" flags for pcre at
844                                 # the beginning of CFLAGS, CPPFLAGS,
845                                 # LDFLAGS, and LIBS.
846                                 #
847                                 PCRE_LIBS="-L$pcre_dir/lib -lpcre $wireshark_save_LIBS"
848                         else
849                                 PCRE_LIBS="-lpcre"
850                         fi
851                         AC_DEFINE(HAVE_LIBPCRE, 1, [Define to use libpcre library])
852                 ],[
853                         if test "x$pcre_dir" != "x"
854                         then
855                                 #
856                                 # Restore the versions of CFLAGS, CPPFLAGS,
857                                 # LDFLAGS, and LIBS before we added the
858                                 # "--with-pcre=" directory, as we didn't
859                                 # actually find pcre there.
860                                 #
861                                 CFLAGS="$wireshark_save_CFLAGS"
862                                 CPPFLAGS="$wireshark_save_CPPFLAGS"
863                                 LDFLAGS="$wireshark_save_LDFLAGS"
864                                 LIBS="$wireshark_save_LIBS"
865                                 PCRE_LIBS=""
866                         fi
867                         want_pcre=no
868                 ])
869                 AC_SUBST(PCRE_LIBS)
870         fi
871 ])
872
873 #
874 # AC_WIRESHARK_LIBLUA_CHECK
875 #
876 AC_DEFUN([AC_WIRESHARK_LIBLUA_CHECK],[
877
878         if test "x$lua_dir" != "x"
879         then
880                 #
881                 # The user specified a directory in which liblua resides,
882                 # so add the "include" subdirectory of that directory to
883                 # the include file search path and the "lib" subdirectory
884                 # of that directory to the library search path.
885                 #
886                 # XXX - if there's also a liblua in a directory that's
887                 # already in CFLAGS, CPPFLAGS, or LDFLAGS, this won't
888                 # make us find the version in the specified directory,
889                 # as the compiler and/or linker will search that other
890                 # directory before it searches the specified directory.
891                 #
892                 wireshark_save_CFLAGS="$CFLAGS"
893                 CFLAGS="$CFLAGS -I$lua_dir/include"
894                 wireshark_save_CPPFLAGS="$CPPFLAGS"
895                 CPPFLAGS="$CPPFLAGS -I$lua_dir/include"
896                 wireshark_save_LIBS="$LIBS"
897                 LIBS="$LIBS -L$lua_dir/lib -llua -lm"
898                 wireshark_save_LDFLAGS="$LDFLAGS"
899                 LDFLAGS="$LDFLAGS -L$lua_dir/lib"
900         else
901                 #
902                 # The user specified no directory in which liblua resides,
903                 # so just add "-llua -lliblua" to the used libs.
904                 #
905                 wireshark_save_CFLAGS="$CFLAGS"
906                 wireshark_save_CPPFLAGS="$CPPFLAGS"
907                 wireshark_save_LDFLAGS="$LDFLAGS"
908                 wireshark_save_LIBS="$LIBS"
909                 LIBS="$LIBS -llua -lm"
910         fi
911
912         #
913         # Make sure we have "lua.h", "lualib.h" and "lauxlib.h".  If we don't, it means we probably
914         # don't have liblua, so don't use it.
915         #
916         AC_CHECK_HEADERS(lua.h lualib.h lauxlib.h,,
917         [
918                 AC_CHECK_HEADERS(lua5.1/lua.h lua5.1/lualib.h lua5.1/lauxlib.h,
919                 [
920                         if test "x$lua_dir" != "x"
921                         then
922                                 LUA_INCLUDES="-I$lua_dir/include/lua5.1"
923                         else
924                                 #
925                                 # The user didn't specify a directory in which liblua resides;
926                                 # we must look for the headers in a "lua5.1" subdirectory of
927                                 # "/usr/include", "/usr/local/include", or "$prefix/include"
928                                 # as some systems apparently put the headers in a "lua5.1"
929                                 # subdirectory.
930                                 AC_MSG_CHECKING(for extraneous lua header directories)
931                                 found_lua_dir=""
932                                 lua_dir_list="/usr/include/lua5.1 $prefix/include/lua5.1"
933                                 if test "x$ac_cv_enable_usr_local" = "xyes"
934                                 then
935                                         lua_dir_list="$lua_dir_list /usr/local/include/lua5.1"
936                                 fi
937                                 for lua_dir_ent in $lua_dir_list
938                                 do
939                                         if test -d $lua_dir_ent
940                                         then
941                                                 LUA_INCLUDES="-I$lua_dir_ent"
942                                                 found_lua_dir="$lua_dir_ent"
943                                                 break
944                                         fi
945                                 done
946
947                                 if test "x$found_lua_dir" != "x"
948                                 then
949                                         AC_MSG_RESULT(found -- $found_lua_dir)
950                                 else
951                                         AC_MSG_RESULT(not found)
952                                         #
953                                         # Restore the versions of CFLAGS, CPPFLAGS,
954                                         # LDFLAGS, and LIBS before we added the
955                                         # "--with-lua=" directory, as we didn't
956                                         # actually find lua there.
957                                         #
958                                         CFLAGS="$wireshark_save_CFLAGS"
959                                         CPPFLAGS="$wireshark_save_CPPFLAGS"
960                                         LDFLAGS="$wireshark_save_LDFLAGS"
961                                         LIBS="$wireshark_save_LIBS"
962                                         LUA_LIBS=""
963                                         if test "x$want_lua" = "xyes"
964                                         then
965                                                 # we found lua5.1/lua.h, but we don't know which include dir contains it
966                                                 AC_MSG_ERROR(Header file lua.h was found as lua5.1/lua.h but we can't locate the include directory. Please set the DIR for the --with-lua configure parameter.)
967                                         else
968                                                 #
969                                                 # We couldn't find the header file; don't use the
970                                                 # library, as it's probably not present.
971                                                 #
972                                                 want_lua=no
973                                         fi
974                                 fi
975                         fi
976                 ],
977                 [
978                         #
979                         # Restore the versions of CFLAGS, CPPFLAGS,
980                         # LDFLAGS, and LIBS before we added the
981                         # "--with-lua=" directory, as we didn't
982                         # actually find lua there.
983                         #
984                         CFLAGS="$wireshark_save_CFLAGS"
985                         CPPFLAGS="$wireshark_save_CPPFLAGS"
986                         LDFLAGS="$wireshark_save_LDFLAGS"
987                         LIBS="$wireshark_save_LIBS"
988                         LUA_LIBS=""
989                         if test "x$lua_dir" != "x"
990                         then
991                                 #
992                                 # The user used "--with-lua=" to specify a directory
993                                 # containing liblua, but we didn't find the header file
994                                 # there; that either means they didn't specify the
995                                 # right directory or are confused about whether liblua
996                                 # is, in fact, installed.  Report the error and give up.
997                                 #
998                                 AC_MSG_ERROR([liblua header not found in directory specified in --with-lua])
999                         else
1000                                 if test "x$want_lua" = "xyes"
1001                                 then
1002                                         #
1003                                         # The user tried to force us to use the library, but we
1004                                         # couldn't find the header file; report an error.
1005                                         #
1006                                         AC_MSG_ERROR(Header file lua.h not found.)
1007                                 else
1008                                         #
1009                                         # We couldn't find the header file; don't use the
1010                                         # library, as it's probably not present.
1011                                         #
1012                                         want_lua=no
1013                                 fi
1014                         fi
1015                 ])
1016         ])
1017
1018         if test "x$want_lua" != "xno"
1019         then
1020                 #
1021                 # Well, we at least have the lua header file.
1022                 #
1023                 # let's check if the libs are there
1024                 #
1025
1026                 # At least on Suse 9.3 systems, liblualib needs linking
1027                 # against libm.
1028                 LIBS="$LIBS $LUA_LIBS -lm"
1029
1030                 AC_CHECK_LIB(lua, luaL_register,
1031                 [
1032                     #
1033                     #  Lua 5.1 found
1034                     #
1035                         if test "x$lua_dir" != "x"
1036                         then
1037                                 #
1038                                 # Put the "-I" and "-L" flags for lua at
1039                                 # the beginning of CFLAGS, CPPFLAGS,
1040                                 # LDFLAGS, and LIBS.
1041                                 #
1042                                 LUA_LIBS="-L$lua_dir/lib -llua -lm"
1043                                 LUA_INCLUDES="-I$lua_dir/include"
1044                         else
1045                                 LUA_LIBS="-llua -lm"
1046                                 LUA_INCLUDES=""
1047                         fi
1048                         AC_DEFINE(HAVE_LUA_5_1, 1, [Define to use Lua 5.1])
1049                         want_lua=yes
1050
1051                 ],[
1052                         #
1053                         # We could not find the libs, maybe we have version number in the lib name
1054                         #
1055
1056                         LIBS="$wireshark_save_LIBS -llua5.1 -lm"
1057
1058                         AC_CHECK_LIB(lua5.1, luaL_register,
1059                         [
1060                             #
1061                             #  Lua 5.1 found
1062                             #
1063                             LUA_LIBS=" -llua5.1 -lm"
1064                             AC_DEFINE(HAVE_LUA_5_1, 1, [Define to use Lua 5.1])
1065                             want_lua=yes
1066                         ],[
1067                                 #
1068                                 # Restore the versions of CFLAGS, CPPFLAGS,
1069                                 # LDFLAGS, and LIBS before we added the
1070                                 # "--with-lua=" directory, as we didn't
1071                                 # actually find lua there.
1072                                 #
1073                                 CFLAGS="$wireshark_save_CFLAGS"
1074                                 CPPFLAGS="$wireshark_save_CPPFLAGS"
1075                                 LDFLAGS="$wireshark_save_LDFLAGS"
1076                                 LIBS="$wireshark_save_LIBS"
1077                                 LUA_LIBS=""
1078                                 # User requested --with-lua but it isn't available
1079                                 if test "x$want_lua" = "xyes"
1080                                 then
1081                                         AC_MSG_ERROR(Linking with liblua failed.)
1082                                 fi
1083                                 want_lua=no
1084                         ])
1085                 ])
1086
1087         CFLAGS="$wireshark_save_CFLAGS"
1088         CPPFLAGS="$wireshark_save_CPPFLAGS"
1089         LDFLAGS="$wireshark_save_LDFLAGS"
1090         LIBS="$wireshark_save_LIBS"
1091         AC_SUBST(LUA_LIBS)
1092         AC_SUBST(LUA_INCLUDES)
1093
1094         fi
1095 ])
1096
1097 #
1098 # AC_WIRESHARK_LIBPORTAUDIO_CHECK
1099 #
1100 AC_DEFUN([AC_WIRESHARK_LIBPORTAUDIO_CHECK],[
1101
1102         if test "x$portaudio_dir" != "x"
1103         then
1104                 #
1105                 # The user specified a directory in which libportaudio
1106                 # resides, so add the "include" subdirectory of that directory to
1107                 # the include file search path and the "lib" subdirectory
1108                 # of that directory to the library search path.
1109                 #
1110                 # XXX - if there's also a libportaudio in a directory that's
1111                 # already in CFLAGS, CPPFLAGS, or LDFLAGS, this won't
1112                 # make us find the version in the specified directory,
1113                 # as the compiler and/or linker will search that other
1114                 # directory before it searches the specified directory.
1115                 #
1116                 wireshark_save_CFLAGS="$CFLAGS"
1117                 CFLAGS="$CFLAGS -I$portaudio_dir/include"
1118                 wireshark_save_CPPFLAGS="$CPPFLAGS"
1119                 CPPFLAGS="$CPPFLAGS -I$portaudio_dir/include"
1120                 wireshark_save_LIBS="$LIBS"
1121                 LIBS="$LIBS -L$portaudio_dir/lib -lportaudio"
1122                 wireshark_save_LDFLAGS="$LDFLAGS"
1123                 LDFLAGS="$LDFLAGS -L$portaudio_dir/lib"
1124         else
1125                 #
1126                 # The user specified no directory in which libportaudio resides,
1127                 # so just add "-lportaudio" to the used libs.
1128                 #
1129                 wireshark_save_CFLAGS="$CFLAGS"
1130                 wireshark_save_CPPFLAGS="$CPPFLAGS"
1131                 wireshark_save_LDFLAGS="$LDFLAGS"
1132                 wireshark_save_LIBS="$LIBS"
1133                 LIBS="$LIBS -lportaudio"
1134         fi
1135
1136         #
1137         # Make sure we have "portaudio.h".  If we don't, it means we probably
1138         # don't have libportaudio, so don't use it.
1139         #
1140         AC_CHECK_HEADERS(portaudio.h,,
1141         [
1142                 if test "x$portaudio_dir" != "x"
1143                 then
1144                         #
1145                         # The user used "--with-portaudio=" to specify a directory
1146                         # containing libportaudio, but we didn't find the header file
1147                         # there; that either means they didn't specify the
1148                         # right directory or are confused about whether libportaudio
1149                         # is, in fact, installed.  Report the error and give up.
1150                         #
1151                         AC_MSG_ERROR([libportaudio header not found in directory specified in --with-portaudio])
1152                 else
1153                         CFLAGS="$wireshark_save_CFLAGS"
1154                         CPPFLAGS="$wireshark_save_CPPFLAGS"
1155                         LDFLAGS="$wireshark_save_LDFLAGS"
1156                         LIBS="$wireshark_save_LIBS"
1157                         PORTAUDIO_LIBS=""
1158                         if test "x$want_portaudio" = "xyes"
1159                         then
1160                                 #
1161                                 # The user tried to force us to use the library, but we
1162                                 # couldn't find the header file; report an error.
1163                                 #
1164                                 AC_MSG_ERROR(Header file portaudio.h not found.)
1165                         else
1166                                 #
1167                                 # We couldn't find the header file; don't use the
1168                                 # library, as it's probably not present.
1169                                 #
1170                                 want_portaudio=no
1171                         fi
1172                 fi
1173         ])
1174
1175         #
1176         # Check whether we have the right version of portaudio
1177         #
1178         if test "x$want_portaudio" != "xno"
1179         then
1180                 AC_CHECK_TYPE(PortAudioStream,
1181                 AC_DEFINE(PORTAUDIO_API_1, 1, [Define if we are using version of of the Portaudio library API]),
1182                 ,
1183                 [#include <portaudio.h>])
1184         fi
1185
1186         if test "x$want_portaudio" != "xno"
1187         then
1188                 #
1189                 # Well, we at least have the portaudio header file.
1190                 #
1191                 # let's check if the libs are there
1192                 #
1193
1194                 AC_CHECK_LIB(portaudio, Pa_Initialize,
1195                 [
1196                         if test "x$portaudio_dir" != "x"
1197                         then
1198                                 #
1199                                 # Put the "-I" and "-L" flags for portaudio at
1200                                 # the beginning of CFLAGS, CPPFLAGS,
1201                                 # LDFLAGS, and LIBS.
1202                                 #
1203                                 PORTAUDIO_LIBS="-L$portaudio_dir/lib -lportaudio"
1204                                 PORTAUDIO_INCLUDES="-I$portaudio_dir/include"
1205                         else
1206                                 PORTAUDIO_LIBS="-lportaudio"
1207                                 PORTAUDIO_INCLUDES=""
1208                         fi
1209                         AC_DEFINE(HAVE_LIBPORTAUDIO, 1, [Define to use libportaudio library])
1210                         want_portaudio=yes
1211                 ],[
1212                         #
1213                         # Restore the versions of CFLAGS, CPPFLAGS,
1214                         # LDFLAGS, and LIBS before we added the
1215                         # "--with-portaudio=" directory, as we didn't
1216                         # actually find portaudio there.
1217                         #
1218                         CFLAGS="$wireshark_save_CFLAGS"
1219                         CPPFLAGS="$wireshark_save_CPPFLAGS"
1220                         LDFLAGS="$wireshark_save_LDFLAGS"
1221                         LIBS="$wireshark_save_LIBS"
1222                         PORTAUDIO_LIBS=""
1223                         # User requested --with-portaudio but it isn't available
1224                         if test "x$want_portaudio" = "xyes"
1225                         then
1226                                 AC_MSG_ERROR(Linking with libportaudio failed.)
1227                         fi
1228                         want_portaudio=no
1229                 ])
1230
1231         CFLAGS="$wireshark_save_CFLAGS"
1232         CPPFLAGS="$wireshark_save_CPPFLAGS"
1233         LDFLAGS="$wireshark_save_LDFLAGS"
1234         LIBS="$wireshark_save_LIBS"
1235         AC_SUBST(PORTAUDIO_LIBS)
1236         AC_SUBST(PORTAUDIO_INCLUDES)
1237
1238         fi
1239 ])
1240
1241 #
1242 # AC_WIRESHARK_RPM_CHECK
1243 # Looks for the rpm program, and checks to see if we can redefine "_topdir".
1244 #
1245 AC_DEFUN([AC_WIRESHARK_RPM_CHECK],
1246 [
1247         AC_CHECK_PROG(ac_cv_wireshark_have_rpm, rpm, "yes", "no")
1248         if test "x$ac_cv_wireshark_have_rpm" = "xyes"; then
1249                 rpm --define '_topdir /tmp' > /dev/null 2>&1
1250                 AC_MSG_CHECKING(to see if we can redefine _topdir)
1251                 if test $? -eq 0 ; then
1252                         AC_MSG_RESULT(yes)
1253                         HAVE_RPM=yes
1254                 else
1255                         AC_MSG_RESULT(no.  You'll have to build packages manually.)
1256                         HAVE_RPM=no
1257                 fi
1258         fi
1259 ])
1260
1261 #
1262 # AC_WIRESHARK_GNU_SED_CHECK
1263 # Checks if GNU sed is the first sed in PATH.
1264 #
1265 AC_DEFUN([AC_WIRESHARK_GNU_SED_CHECK],
1266 [
1267         AC_MSG_CHECKING(for GNU sed as first sed in PATH)
1268         if  ( sh -c "sed --version" </dev/null 2> /dev/null | grep "GNU sed" 2>&1 > /dev/null ) ;  then
1269                 AC_MSG_RESULT(yes)
1270                 HAVE_GNU_SED=yes
1271         else
1272                 AC_MSG_RESULT(no)
1273                 HAVE_GNU_SED=no
1274         fi
1275 ])
1276
1277 #
1278 # AC_WIRESHARK_C_ARES_CHECK
1279 #
1280 AC_DEFUN([AC_WIRESHARK_C_ARES_CHECK],
1281 [
1282         want_c_ares=defaultyes
1283
1284         if test "x$want_c_ares" = "xdefaultyes"; then
1285                 want_c_ares=yes
1286                 if test "x$ac_cv_enable_usr_local" = "xyes" ; then
1287                         withval=/usr/local
1288                         if test -d "$withval"; then
1289                                 AC_WIRESHARK_ADD_DASH_L(LDFLAGS, ${withval}/lib)
1290                         fi
1291                 fi
1292         fi
1293
1294         if test "x$want_c_ares" = "xyes"; then
1295                 AC_CHECK_LIB(cares, ares_init,
1296                   [
1297                     C_ARES_LIBS=-lcares
1298                 AC_DEFINE(HAVE_C_ARES, 1, [Define to use c-ares library])
1299                 have_good_c_ares=yes
1300                   ],, $SOCKET_LIBS $NSL_LIBS
1301                 )
1302         else
1303                 AC_MSG_RESULT(not required)
1304         fi
1305 ])
1306
1307
1308 #
1309 # AC_WIRESHARK_ADNS_CHECK
1310 #
1311 AC_DEFUN([AC_WIRESHARK_ADNS_CHECK],
1312 [
1313         want_adns=defaultyes
1314
1315         if test "x$want_adns" = "xdefaultyes"; then
1316                 want_adns=yes
1317                 if test "x$ac_cv_enable_usr_local" = "xyes" ; then
1318                         withval=/usr/local
1319                         if test -d "$withval"; then
1320                                 AC_WIRESHARK_ADD_DASH_L(LDFLAGS, ${withval}/lib)
1321                         fi
1322                 fi
1323         fi
1324
1325         if test "x$want_adns" = "xyes"; then
1326                 AC_CHECK_LIB(adns, adns_init,
1327                   [
1328                     ADNS_LIBS=-ladns
1329                 AC_DEFINE(HAVE_GNU_ADNS, 1, [Define to use GNU ADNS library])
1330                 have_good_adns=yes
1331                   ],, $SOCKET_LIBS $NSL_LIBS
1332                 )
1333         else
1334                 AC_MSG_RESULT(not required)
1335         fi
1336 ])
1337
1338
1339 #
1340 # AC_WIRESHARK_LIBCAP_CHECK
1341 #
1342 AC_DEFUN([AC_WIRESHARK_LIBCAP_CHECK],
1343 [
1344         want_libcap=defaultyes
1345
1346         if test "x$want_libcap" = "xdefaultyes"; then
1347                 want_libcap=yes
1348                 if test "x$ac_cv_enable_usr_local" = "xyes" ; then
1349                         withval=/usr/local
1350                         if test -d "$withval"; then
1351                                 AC_WIRESHARK_ADD_DASH_L(LDFLAGS, ${withval}/lib)
1352                         fi
1353                 fi
1354         fi
1355
1356         if test "x$want_libcap" = "xyes"; then
1357                 AC_CHECK_LIB(cap, cap_set_flag,
1358                   [
1359                     LIBCAP_LIBS=-lcap
1360                 AC_DEFINE(HAVE_LIBCAP, 1, [Define to use the libcap library])
1361                 have_good_libcap=yes
1362                   ],,
1363                 )
1364         else
1365                 AC_MSG_RESULT(not required)
1366         fi
1367 ])
1368
1369
1370 #
1371 # AC_WIRESHARK_KRB5_CHECK
1372 #
1373 AC_DEFUN([AC_WIRESHARK_KRB5_CHECK],
1374 [
1375         wireshark_save_CFLAGS="$CFLAGS"
1376         wireshark_save_CPPFLAGS="$CPPFLAGS"
1377         if test "x$krb5_dir" != "x"
1378         then
1379           #
1380           # The user specified a directory in which kerberos resides,
1381           # so add the "include" subdirectory of that directory to
1382           # the include file search path and the "lib" subdirectory
1383           # of that directory to the library search path.
1384           #
1385           # XXX - if there's also a kerberos in a directory that's
1386           # already in CFLAGS, CPPFLAGS, or LDFLAGS, this won't
1387           # make us find the version in the specified directory,
1388           # as the compiler and/or linker will search that other
1389           # directory before it searches the specified directory.
1390           #
1391           CFLAGS="$CFLAGS -I$krb5_dir/include"
1392           CPPFLAGS="$CPPFLAGS -I$krb5_dir/include"
1393           ac_heimdal_version=`grep heimdal $krb5_dir/include/krb5.h | head -n 1 | sed 's/^.*heimdal.*$/HEIMDAL/'`
1394           # MIT Kerberos moved krb5.h to krb5/krb5.h starting with release 1.5
1395           ac_mit_version_olddir=`grep 'Massachusetts Institute of Technology' $krb5_dir/include/krb5.h | head -n 1 | sed 's/^.*Massachusetts Institute of Technology.*$/MIT/'`
1396           ac_mit_version_newdir=`grep 'Massachusetts Institute of Technology' $krb5_dir/include/krb5/krb5.h | head -n 1 | sed 's/^.*Massachusetts Institute of Technology.*$/MIT/'`
1397           ac_krb5_version="$ac_heimdal_version$ac_mit_version_olddir$ac_mit_version_newdir"
1398           if test "x$ac_krb5_version" = "xHEIMDAL"
1399               KRB5_LIBS="-L$krb5_dir/lib -lkrb5 -lasn1 $SSL_LIBS -lroken -lcrypt"
1400           then
1401               KRB5_LIBS="-L$krb5_dir/lib -lkrb5 -lk5crypto -lcom_err"
1402           fi
1403           if test "x$ac_krb5_version" = "xMIT"
1404           then
1405             AC_DEFINE(HAVE_MIT_KERBEROS, 1, [Define to use MIT kerberos])
1406           fi
1407         else
1408           AC_PATH_PROG(KRB5_CONFIG, krb5-config)
1409           if test -x "$KRB5_CONFIG"
1410           then
1411             KRB5_FLAGS=`"$KRB5_CONFIG" --cflags`
1412             KRB5_LIBS=`"$KRB5_CONFIG" --libs`
1413             CFLAGS="$CFLAGS $KRB5_FLAGS"
1414             CPPFLAGS="$CPPFLAGS $KRB5_FLAGS"
1415             #
1416             # If -lcrypto is in KRB5_FLAGS, we require it to build
1417             # with Heimdal/MIT.  We don't want to built with it by
1418             # default, due to annoying license incompatibilities
1419             # between the OpenSSL license and the GPL, so:
1420             #
1421             #   if SSL_LIBS is set to a non-empty string, we
1422             #   remove -lcrypto from KRB5_LIBS and replace
1423             #   it with SSL_LIBS;
1424             #
1425             #   if SSL_LIBS is not set to a non-empty string
1426             #   we fail with an appropriate error message.
1427             #
1428             case "$KRB5_LIBS" in
1429             *-lcrypto*)
1430                 if test ! -z "$SSL_LIBS"
1431                 then
1432                     KRB5_LIBS=`echo $KRB5_LIBS | sed 's/-lcrypto//'`
1433                     KRB5_LIBS="$KRB5_LIBS $SSL_LIBS"
1434                 else
1435                     AC_MSG_ERROR([Kerberos library requires -lcrypto but --with-ssl not specified])
1436                 fi
1437                 ;;
1438             esac
1439             ac_krb5_version=`"$KRB5_CONFIG" --version | head -n 1 | sed -e 's/^.*heimdal.*$/HEIMDAL/' -e 's/^Kerberos .*$/MIT/' -e 's/^Solaris Kerberos .*$/MIT/'`
1440           fi
1441         fi
1442
1443         #
1444         # Make sure we have "krb5.h".  If we don't, it means we probably
1445         # don't have kerberos, so don't use it.
1446         #
1447         AC_CHECK_HEADER(krb5.h,,
1448           [
1449             if test "x$krb5_dir" != "x"
1450             then
1451               #
1452               # The user used "--with-krb5=" to specify a directory
1453               # containing kerberos, but we didn't find the header file
1454               # there; that either means they didn't specify the
1455               # right directory or are confused about whether kerberos
1456               # is, in fact, installed.  Report the error and give up.
1457               #
1458               AC_MSG_ERROR([kerberos header not found in directory specified in --with-krb5])
1459             else
1460               if test "x$want_krb5" = "xyes"
1461               then
1462                 #
1463                 # The user tried to force us to use the library, but we
1464                 # couldn't find the header file; report an error.
1465                 #
1466                 AC_MSG_ERROR(Header file krb5.h not found.)
1467               else
1468                 #
1469                 # We couldn't find the header file; don't use the
1470                 # library, as it's probably not present.
1471                 #
1472                 want_krb5=no
1473                 AC_MSG_RESULT(No Heimdal or MIT header found - disabling dissection for some kerberos data in packet decoding)
1474               fi
1475             fi
1476           ])
1477
1478         if test "x$want_krb5" != "xno"
1479         then
1480             #
1481             # Well, we at least have the krb5 header file.
1482             # Check whether this is Heimdal or MIT.
1483             #
1484             AC_MSG_CHECKING(whether the Kerberos library is Heimdal or MIT)
1485             if test "x$ac_krb5_version" = "xHEIMDAL" -o "x$ac_krb5_version" = "xMIT"
1486             then
1487                 #
1488                 # Yes.
1489                 # Check whether we have krb5_kt_resolve - and whether
1490                 # we need to link with -lresolv when linking with
1491                 # the Kerberos library.
1492                 #
1493                 AC_MSG_RESULT($ac_krb5_version)
1494                 wireshark_save_LIBS="$LIBS"
1495                 found_krb5_kt_resolve=no
1496                 for extras in "" "-lresolv"
1497                 do
1498                     LIBS="$KRB5_LIBS $extras"
1499                     if test -z "$extras"
1500                     then
1501                         AC_MSG_CHECKING([whether $ac_krb5_version includes krb5_kt_resolve])
1502                     else
1503                         AC_MSG_CHECKING([whether $ac_krb5_version includes krb5_kt_resolve (linking with $extras)])
1504                     fi
1505                     AC_TRY_LINK(
1506                         [
1507                         ],
1508                         [
1509                             krb5_kt_resolve();
1510                         ],
1511                         [
1512                             #
1513                             # We found "krb5_kt_resolve()", and required
1514                             # the libraries in extras as well.
1515                             #
1516                             AC_MSG_RESULT(yes)
1517                             KRB5_LIBS="$LIBS"
1518                             AC_DEFINE(HAVE_KERBEROS, 1, [Define to use kerberos])
1519                             if test "x$ac_krb5_version" = "xHEIMDAL"
1520                             then
1521                                 AC_DEFINE(HAVE_HEIMDAL_KERBEROS, 1, [Define to use heimdal kerberos])
1522                             elif test "x$ac_krb5_version" = "xMIT"
1523                             then
1524                                 AC_DEFINE(HAVE_MIT_KERBEROS, 1, [Define to use MIT kerberos])
1525                             fi
1526                             found_krb5_kt_resolve=yes
1527                             break
1528                         ],
1529                         [
1530                             AC_MSG_RESULT(no)
1531                         ])
1532                 done
1533                 if test "$found_krb5_kt_resolve" = no
1534                 then
1535                     #
1536                     # We didn't find "krb5_kt_resolve()" in the
1537                     # Kerberos library, even when we tried linking
1538                     # with -lresolv; we can't link with kerberos.
1539                     #
1540                     if test "x$want_krb5" = "xyes"
1541                     then
1542                         #
1543                         # The user tried to force us to use the library,
1544                         # but we can't do so; report an error.
1545                         #
1546                         AC_MSG_ERROR(Usable $ac_krb5_version not found)
1547                     else
1548                         #
1549                         # Restore the versions of CFLAGS and CPPFLAGS
1550                         # from before we added the flags for Kerberos.
1551                         #
1552                         AC_MSG_RESULT(Usable $ac_krb5_version not found - disabling dissection for some kerberos data in packet decoding)
1553                         CFLAGS="$wireshark_save_CFLAGS"
1554                         CPPFLAGS="$wireshark_save_CPPFLAGS"
1555                         KRB5_LIBS=""
1556                         want_krb5=no
1557                     fi
1558                 else
1559                     #
1560                     # We can link with Kerberos; see whether krb5.h
1561                     # defines KEYTYPE_ARCFOUR_56 (where "defines" means
1562                     # "as a #define or as an enum member).
1563                     #
1564                     AC_MSG_CHECKING([whether krb5.h defines KEYTYPE_ARCFOUR_56])
1565                     AC_COMPILE_IFELSE(
1566                       [
1567                         AC_LANG_SOURCE(
1568                           [[
1569                             #include <krb5.h>
1570                             #include <stdio.h>
1571
1572                             main()
1573                             {
1574                               printf("%u\n", KEYTYPE_ARCFOUR_56);
1575                             }
1576                           ]])
1577                       ],
1578                       [
1579                         AC_MSG_RESULT(yes)
1580                         AC_DEFINE(HAVE_KEYTYPE_ARCFOUR_56, 1, [Define if krb5.h defines KEYTYPE_ARCFOUR_56])
1581                       ],
1582                       [
1583                         AC_MSG_RESULT(no)
1584                       ])
1585                 fi
1586                 LIBS="$wireshark_save_LIBS"
1587             else
1588                 #
1589                 # It's not Heimdal or MIT.
1590                 #
1591                 AC_MSG_RESULT(no)
1592                 if test "x$want_krb5" = "xyes"
1593                 then
1594                     #
1595                     # The user tried to force us to use the library,
1596                     # but we can't do so; report an error.
1597                     #
1598                     AC_MSG_ERROR(Kerberos not found)
1599                 else
1600                     #
1601                     # Restore the versions of CFLAGS and CPPFLAGS
1602                     # from before we added the flags for Kerberos.
1603                     #
1604                     AC_MSG_RESULT(Kerberos not found - disabling dissection for some kerberos data in packet decoding)
1605                     CFLAGS="$wireshark_save_CFLAGS"
1606                     CPPFLAGS="$wireshark_save_CPPFLAGS"
1607                     KRB5_LIBS=""
1608                     want_krb5=no
1609                 fi
1610             fi
1611         else
1612             #
1613             # The user asked us not to use Kerberos, or they didn't
1614             # say whether they wanted us to use it but we found
1615             # that we couldn't.
1616             #
1617             # Restore the versions of CFLAGS and CPPFLAGS
1618             # from before we added the flags for Kerberos.
1619             #
1620             CFLAGS="$wireshark_save_CFLAGS"
1621             CPPFLAGS="$wireshark_save_CPPFLAGS"
1622             KRB5_LIBS=""
1623             want_krb5=no
1624         fi
1625         AC_SUBST(KRB5_LIBS)
1626 ])
1627
1628 #
1629 # AC_WIRESHARK_GEOIP_CHECK
1630 #
1631 AC_DEFUN([AC_WIRESHARK_GEOIP_CHECK],
1632 [
1633         want_geoip=defaultyes
1634
1635         if test "x$want_geoip" = "xdefaultyes"; then
1636                 want_geoip=yes
1637                 if test "x$ac_cv_enable_usr_local" = "xyes" ; then
1638                         withval=/usr/local
1639                         if test -d "$withval"; then
1640                                 AC_WIRESHARK_ADD_DASH_L(LDFLAGS, ${withval}/lib)
1641                         fi
1642                 fi
1643         fi
1644
1645         if test "x$want_geoip" = "xyes"; then
1646                 AC_CHECK_LIB(GeoIP, GeoIP_new,
1647                   [
1648                     GEOIP_LIBS=-lGeoIP
1649                 AC_DEFINE(HAVE_GEOIP, 1, [Define to use GeoIP library])
1650                 have_good_geoip=yes
1651                   ],,
1652                 )
1653         else
1654                 AC_MSG_RESULT(not required)
1655         fi
1656 ])
1657
1658 #AC_WIRESHARK_LDFLAGS_CHECK
1659 #
1660 # $1 : ldflag(s) to test
1661 #
1662 # The macro first determines if the compiler supports "-Wl,{option}" to
1663 # pass options through to the linker. Then it attempts to compile with
1664 # the defined ldflags. The defined flags are added to LDFLAGS only if
1665 # the compilation succeeds.
1666 #
1667 AC_DEFUN([AC_WIRESHARK_LDFLAGS_CHECK],
1668 [GCC_OPTION="$1"
1669 AC_MSG_CHECKING(whether we can add $GCC_OPTION to LDFLAGS)
1670 if test "x$ac_supports_W_linker_passthrough" = "xyes"; then
1671   LDFLAGS_saved="$CFLAGS"
1672   LDFLAGS="$LDFLAGS $GCC_OPTION"
1673   AC_LINK_IFELSE([
1674     AC_LANG_SOURCE([[
1675                 main() { return; }
1676                   ]])],
1677                   [
1678                     AC_MSG_RESULT(yes)
1679                   ],
1680                   [
1681                     AC_MSG_RESULT(no)
1682                     LDFLAGS="$LDFLAGS_saved"
1683                   ])
1684 else
1685   AC_MSG_RESULT(no)
1686 fi
1687 ])
1688
1689 #
1690 # AC_WIRESHARK_GCC_CFLAGS_CHECK
1691 #
1692 # $1 : cflags to test
1693 #
1694 # The macro first determines if the compiler supports GCC-style flags.
1695 # Then it attempts to compile with the defined cflags.  The defined
1696 # flags are added to CFLAGS only if the compilation succeeds.
1697 #
1698 # We do this because not all such options are necessarily supported by
1699 # the version of the particular compiler we're using.
1700 #
1701 # NOTE: clang, by default, only warns about unknown -W options.
1702 # If we're using clang, we turn on -Werror=unknown-warning-option
1703 # so that it fails if we pass it a -W option it doesn't know about
1704 # but doesn't fail for any other warning that the test program might
1705 # produce.
1706 #
1707 AC_DEFUN([AC_WIRESHARK_GCC_CFLAGS_CHECK],
1708 [GCC_OPTION="$1"
1709 AC_MSG_CHECKING(whether we can add $GCC_OPTION to CFLAGS)
1710 if test "x$ac_supports_gcc_flags" = "xyes" ; then
1711   CFLAGS_saved="$CFLAGS"
1712   CFLAGS="$CFLAGS $GCC_OPTION"
1713   if test "x$CC" = "xclang" ; then
1714     CFLAGS="$CFLAGS -Werror=unknown-warning-option"
1715   fi
1716   AC_COMPILE_IFELSE([
1717     AC_LANG_SOURCE([[
1718                       int foo;
1719                   ]])],
1720                   [
1721                     AC_MSG_RESULT(yes)
1722                   ],
1723                   [
1724                     AC_MSG_RESULT(no)
1725                     CFLAGS="$CFLAGS_saved"
1726                   ])
1727 else
1728   AC_MSG_RESULT(no)
1729 fi
1730 ])
1731
1732 #
1733 # AC_WIRESHARK_OSX_INTEGRATION_CHECK
1734 #
1735 # Checks for the presence of OS X integration functions in the GTK+ framework
1736 # or as a separate library.
1737 #
1738 # http://sourceforge.net/apps/trac/gtk-osx/wiki/Integrate
1739 #
1740 # http://live.gnome.org/GTK%2B/OSX/Integration
1741 #    for the old Carbon-based integration functions
1742 #
1743 # http://gtk-osx.sourceforge.net/ige-mac-integration/
1744 #    for the new Cocoa-based integration functions
1745 #
1746 AC_DEFUN([AC_WIRESHARK_OSX_INTEGRATION_CHECK],
1747 [
1748         ac_save_CFLAGS="$CFLAGS"
1749         ac_save_LIBS="$LIBS"
1750         CFLAGS="$CFLAGS $GTK_CFLAGS"
1751         LIBS="$GTK_LIBS $LIBS"
1752
1753         #
1754         # Check for the new integration functions in a -ligemacintegration
1755         # library.
1756         #
1757         AC_CHECK_LIB(igemacintegration, gtk_osxapplication_set_menu_bar,
1758         [
1759                 AC_DEFINE(HAVE_GTKOSXAPPLICATION, 1,
1760                         [Define to 1 if -ligemacintegration includes the GtkOSXApplication Integration functions.])
1761                 have_ige_mac=yes
1762                 # We don't want gtk stuff in LIBS (which is reset below) so
1763                 # manually set GTK_LIBS (which is more appropriate)
1764                 GTK_LIBS="$GTK_LIBS -ligemacintegration"
1765         ])
1766
1767         if test x$have_ige_mac = x
1768         then
1769                 #
1770                 # Not found - check for the old integration functions in
1771                 # the Gtk framework.
1772                 #
1773                 AC_CHECK_LIB(Gtk, ige_mac_menu_set_menu_bar,
1774                 [
1775                         AC_DEFINE(HAVE_IGE_MAC_INTEGRATION, 1,
1776                                 [Define to 1 if the the Gtk+ framework or a separate library includes the Imendio IGE Mac OS X Integration functions.])
1777                         have_ige_mac=yes
1778                         # We don't want gtk stuff in LIBS (which is reset below) so
1779                         # manually set GTK_LIBS (which is more appropriate)
1780                         GTK_LIBS="$GTK_LIBS -lGtk"
1781                 ])
1782         fi
1783
1784         if test x$have_ige_mac = x
1785         then
1786                 #
1787                 # Not found - check for the old integration functions in
1788                 # a -ligemacintegration library.
1789                 #
1790                 AC_CHECK_LIB(igemacintegration, ige_mac_menu_set_menu_bar,
1791                 [
1792                         AC_DEFINE(HAVE_IGE_MAC_INTEGRATION, 1,
1793                                 [Define to 1 if the the Gtk+ framework or a separate library includes the Imendio IGE Mac OS X Integration functions.])
1794                         have_ige_mac=yes
1795                         # We don't want gtk stuff in LIBS (which is reset below) so
1796                         # manually set GTK_LIBS (which is more appropriate)
1797                         GTK_LIBS="$GTK_LIBS -ligemacintegration"
1798                 ])
1799         fi
1800         CFLAGS="$ac_save_CFLAGS"
1801         LIBS="$ac_save_LIBS"
1802 ])
1803
1804 #
1805 # AC_WIRESHARK_PYTHON_CHECK
1806 #
1807 # Check whether python devel package is present
1808 #
1809 AC_DEFUN([AC_WIRESHARK_PYTHON_CHECK],
1810   [
1811     #
1812     # Checking whether we have a python devel environment available
1813     #
1814 #  AC_CACHE_CHECK([checking python devel package], ac_cv_wireshark_python_devel,
1815 #    [
1816     AC_CHECK_PROG([ac_ws_python_config], python-config, "yes", "no")
1817     if test "x$ac_ws_python_config" = "xno"; then
1818       ac_cv_wireshark_python_devel=no
1819         if test "x$want_python" = "xyes"
1820         then
1821             #
1822             # The user tried to force us to use Python, but we
1823             # couldn't find the python-config tool; report an error.
1824             #
1825             AC_MSG_ERROR("python-config not found")
1826         fi
1827     else
1828       AC_MSG_CHECKING([python devel])
1829       ac_save_ws_cflags=$CFLAGS
1830       ac_save_ws_libs=$LIBS
1831       CFLAGS=$(python-config --includes)
1832       LIBS=$(python-config --ldflags)
1833       AC_COMPILE_IFELSE(
1834         [
1835           AC_LANG_PROGRAM(
1836             [[#include <Python.h>]],
1837             [[Py_Initialiaze();]]
1838           )
1839         ],
1840         [
1841           #
1842           # Compilation successful, we have python devel available
1843           #
1844           ac_cv_wireshark_python_devel=yes
1845           PY_LIBS=$LIBS
1846           PY_CFLAGS=$CFLAGS
1847           AC_SUBST(PY_LIBS)
1848           AC_SUBST(PY_CFLAGS)
1849           CFLAGS="$ac_save_ws_cflags"
1850           LIBS="$ac_save_ws_libs"
1851           AC_DEFINE(HAVE_PYTHON, 1, [Define if python devel package available])
1852           AC_MSG_RESULT([yes])
1853         ],
1854         [
1855           #
1856           # Compilation unsuccessful, python devel not available
1857           #
1858           ac_cv_wireshark_python_devel=no
1859           CFLAGS=$ac_save_ws_cflags
1860           LIBS=$ac_save_ws_libs
1861           if test "x$want_python" = "xyes"
1862           then
1863             #
1864             # The user tried to force us to use Python, but we
1865             # couldn't compile the test program; report an error.
1866             #
1867             AC_MSG_ERROR("Python test program failed compilation")
1868           fi
1869           AC_MSG_RESULT([no])
1870         ])
1871     fi
1872 #    ])
1873 ])