| blob | bf5575592150d585d4ea4de32f9ad58b9662bd74 |
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.
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 ])
72 #
73 # AC_WIRESHARK_TIMEZONE_ABBREV
74 #
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 ])
107 #
108 # AC_WIRESHARK_STRUCT_ST_FLAGS
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_ST_FLAGS, which checks if "struct stat"
113 dnl has the 4.4BSD "st_flags" member, and defines HAVE_ST_FLAGS; that's
114 dnl what's in this file.
115 dnl Done by Guy Harris <guy@alum.mit.edu> on 2012-06-02.
117 dnl ### Checks for structure members
119 AC_DEFUN([AC_WIRESHARK_STRUCT_ST_FLAGS],
120 [AC_CACHE_CHECK([for st_flags in struct stat], ac_cv_wireshark_struct_st_flags,
121 [AC_TRY_COMPILE([#include <sys/stat.h>], [struct stat s; s.st_flags;],
122 ac_cv_wireshark_struct_st_flags=yes, ac_cv_wireshark_struct_st_flags=no)])
123 if test $ac_cv_wireshark_struct_st_flags = yes; then
124 AC_DEFINE(HAVE_ST_FLAGS, 1, [Define if st_flags field exists in struct stat])
125 fi
126 ])
129 #
130 # AC_WIRESHARK_STRUCT_SA_LEN
131 #
132 dnl AC_STRUCT_ST_BLKSIZE extracted from the file in question,
133 dnl "acspecific.m4" in GNU Autoconf 2.12, and turned into
134 dnl AC_WIRESHARK_STRUCT_SA_LEN, which checks if "struct sockaddr"
135 dnl has the 4.4BSD "sa_len" member, and defines HAVE_SA_LEN; that's
136 dnl what's in this file.
137 dnl Done by Guy Harris <guy@alum.mit.edu> on 1998-11-14.
139 dnl ### Checks for structure members
141 AC_DEFUN([AC_WIRESHARK_STRUCT_SA_LEN],
142 [AC_CACHE_CHECK([for sa_len in struct sockaddr], ac_cv_wireshark_struct_sa_len,
143 [AC_TRY_COMPILE([#include <sys/types.h>
144 #include <sys/socket.h>], [struct sockaddr s; s.sa_len;],
145 ac_cv_wireshark_struct_sa_len=yes, ac_cv_wireshark_struct_sa_len=no)])
146 if test $ac_cv_wireshark_struct_sa_len = yes; then
147 AC_DEFINE(HAVE_SA_LEN, 1, [Define if sa_len field exists in struct sockaddr])
148 fi
149 ])
152 #
153 # AC_WIRESHARK_IPV6_STACK
154 #
155 # By Jun-ichiro "itojun" Hagino, <itojun@iijlab.net>
156 #
157 AC_DEFUN([AC_WIRESHARK_IPV6_STACK],
158 [
159 v6type=unknown
160 v6lib=none
162 AC_MSG_CHECKING([ipv6 stack type])
163 for i in v6d toshiba kame inria zeta linux linux-glibc solaris; do
164 case $i in
165 v6d)
166 AC_EGREP_CPP(yes, [
167 #include </usr/local/v6/include/sys/types.h>
168 #ifdef __V6D__
169 yes
170 #endif],
171 [v6type=$i; v6lib=v6;
172 v6libdir=/usr/local/v6/lib;
173 CPPFLAGS="-I/usr/local/v6/include $CPPFLAGS"])
174 ;;
175 toshiba)
176 AC_EGREP_CPP(yes, [
177 #include <sys/param.h>
178 #ifdef _TOSHIBA_INET6
179 yes
180 #endif],
181 [v6type=$i; v6lib=inet6;
182 v6libdir=/usr/local/v6/lib;
183 CPPFLAGS="-DINET6 $CPPFLAGS"])
184 ;;
185 kame)
186 AC_EGREP_CPP(yes, [
187 #include <netinet/in.h>
188 #ifdef __KAME__
189 yes
190 #endif],
191 [v6type=$i; v6lib=inet6;
192 v6libdir=/usr/local/v6/lib;
193 CPPFLAGS="-DINET6 $CPPFLAGS"])
194 ;;
195 inria)
196 AC_EGREP_CPP(yes, [
197 #include <netinet/in.h>
198 #ifdef IPV6_INRIA_VERSION
199 yes
200 #endif],
201 [v6type=$i; CPPFLAGS="-DINET6 $CPPFLAGS"])
202 ;;
203 zeta)
204 AC_EGREP_CPP(yes, [
205 #include <sys/param.h>
206 #ifdef _ZETA_MINAMI_INET6
207 yes
208 #endif],
209 [v6type=$i; v6lib=inet6;
210 v6libdir=/usr/local/v6/lib;
211 CPPFLAGS="-DINET6 $CPPFLAGS"])
212 ;;
213 linux)
214 if test -d /usr/inet6; then
215 v6type=$i
216 v6lib=inet6
217 v6libdir=/usr/inet6
218 CPPFLAGS="-DINET6 $CPPFLAGS"
219 fi
220 ;;
221 linux-glibc)
222 AC_EGREP_CPP(yes, [
223 #include <features.h>
224 #if defined(__GLIBC__) && defined(__GLIBC_MINOR__)
225 #if (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 1) || __GLIBC__ > 2
226 yes
227 #endif
228 #endif],
229 [v6type=$i; v6lib=inet6; CPPFLAGS="-DINET6 $CPPFLAGS"])
230 ;;
231 solaris)
232 if test "`uname -s`" = "SunOS"; then
233 v6type=$i
234 v6lib=inet6
235 [CPPFLAGS="-DINET6 $CPPFLAGS"]
236 fi
237 ;;
238 esac
239 if test "$v6type" != "unknown"; then
240 break
241 fi
242 done
244 if test "$v6lib" != "none"; then
245 for dir in $v6libdir /usr/local/v6/lib /usr/local/lib; do
246 if test -d $dir -a -f $dir/lib$v6lib.a; then
247 LIBS="-L$dir $LIBS -l$v6lib"
248 break
249 fi
250 done
251 enable_ipv6="yes"
252 else
253 enable_ipv6="no"
254 fi
255 AC_MSG_RESULT(["$v6type, $v6lib"])
256 ])
258 #
259 # AC_WIRESHARK_GETHOSTBY_LIB_CHECK
260 #
261 # Checks whether we need "-lnsl" to get "gethostby*()", which we use
262 # in "resolv.c".
263 #
264 # Adapted from stuff in the AC_PATH_XTRA macro in "acspecific.m4" in
265 # GNU Autoconf 2.13; the comment came from there.
266 # Done by Guy Harris <guy@alum.mit.edu> on 2000-01-14.
267 #
268 AC_DEFUN([AC_WIRESHARK_GETHOSTBY_LIB_CHECK],
269 [
270 # msh@cis.ufl.edu says -lnsl (and -lsocket) are needed for his 386/AT,
271 # to get the SysV transport functions.
272 # chad@anasazi.com says the Pyramid MIS-ES running DC/OSx (SVR4)
273 # needs -lnsl.
274 # The nsl library prevents programs from opening the X display
275 # on Irix 5.2, according to dickey@clark.net.
276 AC_CHECK_FUNC(gethostbyname, ,
277 AC_CHECK_LIB(nsl, gethostbyname, NSL_LIBS="-lnsl"))
278 AC_SUBST(NSL_LIBS)
279 ])
281 #
282 # AC_WIRESHARK_SOCKET_LIB_CHECK
283 #
284 # Checks whether we need "-lsocket" to get "socket()", which is used
285 # by libpcap on some platforms - and, in effect, "gethostby*()" on
286 # most if not all platforms (so that it can use NIS or DNS or...
287 # to look up host names).
288 #
289 # Adapted from stuff in the AC_PATH_XTRA macro in "acspecific.m4" in
290 # GNU Autoconf 2.13; the comment came from there.
291 # Done by Guy Harris <guy@alum.mit.edu> on 2000-01-14.
292 #
293 # We use "connect" because that's what AC_PATH_XTRA did.
294 #
295 AC_DEFUN([AC_WIRESHARK_SOCKET_LIB_CHECK],
296 [
297 # lieder@skyler.mavd.honeywell.com says without -lsocket,
298 # socket/setsockopt and other routines are undefined under SCO ODT
299 # 2.0. But -lsocket is broken on IRIX 5.2 (and is not necessary
300 # on later versions), says simon@lia.di.epfl.ch: it contains
301 # gethostby* variants that don't use the nameserver (or something).
302 # -lsocket must be given before -lnsl if both are needed.
303 # We assume that if connect needs -lnsl, so does gethostbyname.
304 AC_CHECK_FUNC(connect, ,
305 AC_CHECK_LIB(socket, connect, SOCKET_LIBS="-lsocket",
306 AC_MSG_ERROR(Function 'socket' not found.), $NSL_LIBS))
307 AC_SUBST(SOCKET_LIBS)
308 ])
310 #
311 # AC_WIRESHARK_BREAKLOOP_TRY_LINK
312 #
313 AC_DEFUN([AC_WIRESHARK_PCAP_BREAKLOOP_TRY_LINK],
314 [
315 AC_LINK_IFELSE(
316 [
317 AC_LANG_SOURCE(
318 [[
319 # include <pcap.h>
320 int main(void)
321 {
322 pcap_t *pct = NULL;
323 pcap_breakloop(pct);
324 return 0;
325 }
326 ]])
327 ],
328 [
329 ws_breakloop_compiled=yes
330 ],
331 [
332 ws_breakloop_compiled=no
333 ])
334 ])
338 #
339 # AC_WIRESHARK_PCAP_CHECK
340 #
341 AC_DEFUN([AC_WIRESHARK_PCAP_CHECK],
342 [
343 if test -z "$pcap_dir"
344 then
345 # Pcap header checks
346 # XXX need to set a var AC_CHECK_HEADER(pcap.h,,)
348 #
349 # The user didn't specify a directory in which libpcap resides.
350 # First, look for a pcap-config script.
351 #
352 AC_PATH_PROG(PCAP_CONFIG, pcap-config)
354 if test -n "$PCAP_CONFIG" ; then
355 #
356 # Found it.
357 #
358 # Now check whether it's the libpcap 1.0 version, which
359 # put a space after "-L" - on some platforms, that doesn't
360 # work.
361 #
362 AC_MSG_CHECKING(for broken pcap-config)
363 case "`\"$PCAP_CONFIG\" --libs`" in
365 "-L "*)
366 #
367 # Space after -L. Pretend pcap-config doesn't exist.
368 #
369 AC_MSG_RESULT(yes)
370 PCAP_CONFIG=""
371 ;;
373 *)
374 #
375 # No space after -L.
376 #
377 AC_MSG_RESULT(no)
378 ;;
379 esac
380 fi
381 if test -n "$PCAP_CONFIG" ; then
382 #
383 # Found it, and it's usable; use it to get the include flags
384 # for libpcap.
385 #
386 CPPFLAGS="$CPPFLAGS `\"$PCAP_CONFIG\" --cflags`"
387 else
388 #
389 # Didn't find it; we have to look for libpcap ourselves.
390 # We assume that the current library search path will work,
391 # but we may have to look for the header in a "pcap"
392 # subdirectory of "/usr/include" or "/usr/local/include",
393 # as some systems apparently put "pcap.h" in a "pcap"
394 # subdirectory, and we also check "$prefix/include" - and
395 # "$prefix/include/pcap", in case $prefix is set to
396 # "/usr/include" or "/usr/local/include".
397 #
398 # XXX - should we just add "$prefix/include" to the include
399 # search path and "$prefix/lib" to the library search path?
400 #
401 AC_MSG_CHECKING(for extraneous pcap header directories)
402 found_pcap_dir=""
403 pcap_dir_list="/usr/include/pcap $prefix/include/pcap $prefix/include"
404 if test "x$ac_cv_enable_usr_local" = "xyes" ; then
405 pcap_dir_list="$pcap_dir_list /usr/local/include/pcap"
406 fi
407 for pcap_dir in $pcap_dir_list
408 do
409 if test -d $pcap_dir ; then
410 if test x$pcap_dir != x/usr/include -a x$pcap_dir != x/usr/local/include ; then
411 CPPFLAGS="$CPPFLAGS -I$pcap_dir"
412 fi
413 found_pcap_dir=" $found_pcap_dir -I$pcap_dir"
414 break
415 fi
416 done
418 if test "$found_pcap_dir" != "" ; then
419 AC_MSG_RESULT(found --$found_pcap_dir added to CFLAGS)
420 else
421 AC_MSG_RESULT(not found)
422 fi
423 fi
424 else
425 #
426 # The user specified a directory in which libpcap resides,
427 # so add the "include" subdirectory of that directory to
428 # the include file search path and the "lib" subdirectory
429 # of that directory to the library search path.
430 #
431 # XXX - if there's also a libpcap in a directory that's
432 # already in CPPFLAGS or LDFLAGS, this won't make us find
433 # the version in the specified directory, as the compiler
434 # and/or linker will search that other directory before it
435 # searches the specified directory.
436 #
437 CPPFLAGS="$CPPFLAGS -I$pcap_dir/include"
438 AC_WIRESHARK_ADD_DASH_L(LDFLAGS, $pcap_dir/lib)
439 fi
441 # Pcap header check
442 AC_CHECK_HEADER(pcap.h,,
443 AC_MSG_ERROR([[Header file pcap.h not found; if you installed libpcap
444 from source, did you also do \"make install-incl\", and if you installed a
445 binary package of libpcap, is there also a developer's package of libpcap,
446 and did you also install that package?]]))
448 if test -n "$PCAP_CONFIG" ; then
449 #
450 # We have pcap-config; we assume that means we have libpcap
451 # installed and that pcap-config will tell us whatever
452 # libraries libpcap needs.
453 #
454 if test x$enable_static = xyes; then
455 PCAP_LIBS="`\"$PCAP_CONFIG\" --libs --static`"
456 else
457 PCAP_LIBS="`\"$PCAP_CONFIG\" --libs`"
458 fi
459 AC_DEFINE(HAVE_LIBPCAP, 1, [Define to use libpcap library])
460 else
461 #
462 # Check to see if we find "pcap_open_live" in "-lpcap".
463 # Also check for various additional libraries that libpcap might
464 # require.
465 #
466 AC_CHECK_LIB(pcap, pcap_open_live,
467 [
468 PCAP_LIBS=-lpcap
469 AC_DEFINE(HAVE_LIBPCAP, 1, [Define to use libpcap library])
470 ], [
471 ac_wireshark_extras_found=no
472 ac_save_LIBS="$LIBS"
473 for extras in "-lcfg -lodm" "-lpfring"
474 do
475 AC_MSG_CHECKING([for pcap_open_live in -lpcap with $extras])
476 LIBS="-lpcap $extras"
477 #
478 # XXX - can't we use AC_CHECK_LIB here?
479 #
480 AC_TRY_LINK(
481 [
482 # include <pcap.h>
483 ],
484 [
485 pcap_open_live(NULL, 0, 0, 0, NULL);
486 ],
487 [
488 ac_wireshark_extras_found=yes
489 AC_MSG_RESULT([yes])
490 PCAP_LIBS="-lpcap $extras"
491 AC_DEFINE(HAVE_LIBPCAP, 1, [Define to use libpcap library])
492 ],
493 [
494 AC_MSG_RESULT([no])
495 ])
496 if test x$ac_wireshark_extras_found = xyes
497 then
498 break
499 fi
500 done
501 if test x$ac_wireshark_extras_found = xno
502 then
503 AC_MSG_ERROR([Can't link with library libpcap.])
504 fi
505 LIBS=$ac_save_LIBS
506 ], $SOCKET_LIBS $NSL_LIBS)
507 fi
508 AC_SUBST(PCAP_LIBS)
510 #
511 # Check whether various variables and functions are defined by
512 # libpcap.
513 #
514 ac_save_LIBS="$LIBS"
515 LIBS="$PCAP_LIBS $SOCKET_LIBS $NSL_LIBS $LIBS"
516 AC_CHECK_FUNCS(pcap_open_dead pcap_freecode)
517 #
518 # pcap_breakloop may be present in the library but not declared
519 # in the pcap.h header file. If it's not declared in the header
520 # file, attempts to use it will get warnings, and, if we're
521 # building with warnings treated as errors, that warning will
522 # cause compilation to fail.
523 #
524 # We are therefore first testing whether the function is present
525 # and then, if we're compiling with warnings as errors, testing
526 # whether it is usable. It is usable if it compiles without
527 # a -Wimplicit warning (the "compile with warnings as errors"
528 # option requires GCC). If it is not usable, we fail and tell
529 # the user that the pcap.h header needs to be updated.
530 #
531 # Ceteris paribus, this should only happen with Mac OS X 10.3[.x] which
532 # can have an up-to-date pcap library without the corresponding pcap
533 # header.
534 #
535 # However, it might also happen on some others OSes with some erroneous
536 # system manipulations where multiple versions of libpcap might co-exist
537 # e.g. hand made symbolic link from libpcap.so -> libpcap.so.0.8 but
538 # having the pcap header version 0.7.
539 #
540 AC_MSG_CHECKING([whether pcap_breakloop is present])
541 ac_CFLAGS_saved="$CFLAGS"
542 AC_WIRESHARK_PCAP_BREAKLOOP_TRY_LINK
543 if test "x$ws_breakloop_compiled" = "xyes"; then
544 AC_MSG_RESULT(yes)
545 AC_DEFINE(HAVE_PCAP_BREAKLOOP, 1, [Define if pcap_breakloop is known])
546 if test "x$with_warnings_as_errors" = "xyes"; then
547 AC_MSG_CHECKING([whether pcap_breakloop is usable])
548 CFLAGS="$CFLAGS -Werror -Wimplicit"
549 AC_WIRESHARK_PCAP_BREAKLOOP_TRY_LINK
550 if test "x$ws_breakloop_compiled" = "xyes"; then
551 AC_MSG_RESULT(yes)
552 else
553 AC_MSG_RESULT(no)
554 AC_MSG_ERROR(
555 [Your pcap library is more recent than your pcap header.
556 As you are building with compiler warnings treated as errors, Wireshark
557 won't be able to use functions not declared in that header.
558 If you wish to build with compiler warnings treated as errors, You should
559 install a newer version of the header file.])
560 fi
561 CFLAGS="$ac_CFLAGS_saved"
562 fi
563 else
564 AC_MSG_RESULT(no)
565 fi
567 #
568 # Later versions of Mac OS X 10.3[.x] ship a pcap.h that
569 # doesn't define pcap_if_t but ship an 0.8[.x] libpcap,
570 # so the library has "pcap_findalldevs()", but pcap.h
571 # doesn't define "pcap_if_t" so you can't actually *use*
572 # "pcap_findalldevs()".
573 #
574 # That even appears to be true of systems shipped with
575 # 10.3.4, so it doesn't appear only to be a case of
576 # Software Update not updating header files.
577 #
578 # (You can work around this by installing the 0.8 header
579 # files.)
580 #
581 AC_CACHE_CHECK([whether pcap_findalldevs is present and usable],
582 [ac_cv_func_pcap_findalldevs],
583 [
584 AC_LINK_IFELSE(
585 [
586 AC_LANG_SOURCE(
587 [[
588 #include <pcap.h>
589 main()
590 {
591 pcap_if_t *devpointer;
592 char errbuf[1];
594 pcap_findalldevs(&devpointer, errbuf);
595 }
596 ]])
597 ],
598 [
599 ac_cv_func_pcap_findalldevs=yes
600 ],
601 [
602 ac_cv_func_pcap_findalldevs=no
603 ])
604 ])
605 #
606 # Don't check for other new routines that showed up after
607 # "pcap_findalldevs()" if we don't have a usable
608 # "pcap_findalldevs()", so we don't end up using them if the
609 # "pcap.h" is crufty and old and doesn't declare them.
610 #
611 if test $ac_cv_func_pcap_findalldevs = "yes" ; then
612 AC_DEFINE(HAVE_PCAP_FINDALLDEVS, 1,
613 [Define to 1 if you have the `pcap_findalldevs' function and a pcap.h that declares pcap_if_t.])
614 AC_CHECK_FUNCS(pcap_datalink_val_to_name pcap_datalink_name_to_val)
615 AC_CHECK_FUNCS(pcap_datalink_val_to_description)
616 AC_CHECK_FUNCS(pcap_list_datalinks pcap_set_datalink pcap_lib_version)
617 AC_CHECK_FUNCS(pcap_get_selectable_fd pcap_free_datalinks)
618 AC_CHECK_FUNCS(pcap_create bpf_image)
619 fi
620 LIBS="$ac_save_LIBS"
621 ])
623 AC_DEFUN([AC_WIRESHARK_PCAP_REMOTE_CHECK],
624 [
625 ac_save_LIBS="$LIBS"
626 LIBS="$PCAP_LIBS $SOCKET_LIBS $NSL_LIBS $LIBS"
627 AC_DEFINE(HAVE_REMOTE, 1, [Define to 1 to enable remote
628 capturing feature in WinPcap library])
629 AC_CHECK_FUNCS(pcap_open pcap_findalldevs_ex pcap_createsrcstr)
630 if test $ac_cv_func_pcap_open = "yes" -a \
631 $ac_cv_func_pcap_findalldevs_ex = "yes" -a \
632 $ac_cv_func_pcap_createsrcstr = "yes" ; then
633 AC_DEFINE(HAVE_PCAP_REMOTE, 1,
634 [Define to 1 if you have WinPcap remote capturing support and prefer to use these new API features.])
635 fi
636 AC_CHECK_FUNCS(pcap_setsampling)
637 LIBS="$ac_save_LIBS"
638 ])
640 #
641 # AC_WIRESHARK_ZLIB_CHECK
642 #
643 AC_DEFUN([AC_WIRESHARK_ZLIB_CHECK],
644 [
645 if test "x$zlib_dir" != "x"
646 then
647 #
648 # The user specified a directory in which zlib resides,
649 # so add the "include" subdirectory of that directory to
650 # the include file search path and the "lib" subdirectory
651 # of that directory to the library search path.
652 #
653 # XXX - if there's also a zlib in a directory that's
654 # already in CPPFLAGS or LDFLAGS, this won't make us find
655 # the version in the specified directory, as the compiler
656 # and/or linker will search that other directory before it
657 # searches the specified directory.
658 #
659 wireshark_save_CPPFLAGS="$CPPFLAGS"
660 CPPFLAGS="$CPPFLAGS -I$zlib_dir/include"
661 wireshark_save_LIBS="$LIBS"
662 AC_WIRESHARK_ADD_DASH_L(LIBS, $zlib_dir/lib)
663 fi
665 #
666 # Make sure we have "zlib.h". If we don't, it means we probably
667 # don't have zlib, so don't use it.
668 #
669 AC_CHECK_HEADER(zlib.h,,
670 [
671 if test "x$zlib_dir" != "x"
672 then
673 #
674 # The user used "--with-zlib=" to specify a directory
675 # containing zlib, but we didn't find the header file
676 # there; that either means they didn't specify the
677 # right directory or are confused about whether zlib
678 # is, in fact, installed. Report the error and give up.
679 #
680 AC_MSG_ERROR([zlib header not found in directory specified in --with-zlib])
681 else
682 if test "x$want_zlib" = "xyes"
683 then
684 #
685 # The user tried to force us to use the library, but we
686 # couldn't find the header file; report an error.
687 #
688 AC_MSG_ERROR(Header file zlib.h not found.)
689 else
690 #
691 # We couldn't find the header file; don't use the
692 # library, as it's probably not present.
693 #
694 want_zlib=no
695 fi
696 fi
697 ])
699 if test "x$want_zlib" != "xno"
700 then
701 #
702 # Well, we at least have the zlib header file.
703 # We link with zlib to support uncompression of
704 # gzipped network traffic, e.g. in an HTTP request
705 # or response body.
706 #
707 if test "x$zlib_dir" != "x"
708 then
709 #
710 # Put the "-L" flags for zlib at the beginning
711 # of LIBS.
712 #
713 LIBS=""
714 AC_WIRESHARK_ADD_DASH_L(LIBS, $zlib_dir/lib)
715 LIBS="$LIBS -lz $wireshark_save_LIBS"
716 else
717 LIBS="-lz $LIBS"
718 fi
719 AC_DEFINE(HAVE_LIBZ, 1, [Define to use libz library])
721 #
722 # Check for "inflatePrime()" in zlib, which we need
723 # in order to read compressed capture files.
724 #
725 AC_CHECK_FUNCS(inflatePrime)
727 if test "x$ac_cv_func_inflatePrime" = "xyes" ; then
728 #
729 # Now check for "inflatePrime()" in zlib when
730 # linking with the linker flags for GTK+
731 # applications; people often grab XFree86 source
732 # and build and install it on their systems,
733 # and they appear sometimes to misconfigure
734 # XFree86 so that, even on systems with zlib,
735 # it assumes there is no zlib, so the XFree86
736 # build process builds and installs its
737 # own zlib in the X11 library directory.
738 #
739 # The zlib in at least some versions of XFree86
740 # is an older version that may lack "inflatePrime()",
741 # and that's the zlib with which Wireshark gets
742 # linked, so the build of Wireshark fails.
743 #
744 AC_MSG_CHECKING([for inflatePrime missing when linking with X11])
745 AC_TRY_LINK_FUNC(inflatePrime, AC_MSG_RESULT(no),
746 [
747 AC_MSG_RESULT(yes)
748 AC_MSG_ERROR(old zlib found when linking with X11 - get rid of old zlib.)
749 ])
750 fi
751 else
752 #
753 # Restore the versions of CPPFLAGS and LIBS before
754 # we added the "-with-zlib=" directory, as we didn't
755 # actually find zlib there.
756 #
757 CPPFLAGS="$wireshark_save_CPPFLAGS"
758 LIBS="$wireshark_save_LIBS"
759 want_zlib=no
760 fi
761 ])
763 #
764 # AC_WIRESHARK_LIBLUA_CHECK
765 #
766 AC_DEFUN([AC_WIRESHARK_LIBLUA_CHECK],[
767 lua_ver=5.2
768 if test "x$lua_dir" != "x"
769 then
770 #
771 # The user specified a directory in which liblua resides,
772 # so add the "include" subdirectory of that directory to
773 # the include file search path and the "lib" subdirectory
774 # of that directory to the library search path.
775 #
776 # XXX - if there's also a liblua in a directory that's
777 # already in CPPFLAGS or LDFLAGS, this won't make us find
778 # the version in the specified directory, as the compiler
779 # and/or linker will search that other directory before it
780 # searches the specified directory.
781 #
782 wireshark_save_CPPFLAGS="$CPPFLAGS"
783 CPPFLAGS="$CPPFLAGS -I$lua_dir/include"
784 wireshark_save_LIBS="$LIBS"
785 LIBS="$LIBS -L$lua_dir/lib -llua -lm"
786 wireshark_save_LDFLAGS="$LDFLAGS"
787 LDFLAGS="$LDFLAGS -L$lua_dir/lib"
789 #
790 # Determine Lua version by reading the LUA_VERSION_NUM definition
791 # from lua.h under the given Lua directory. The value is 501 for
792 # Lua 5.1, 502 for Lua 5.2, etc.
793 #
794 AC_MSG_CHECKING(Lua version)
795 [[ -d "$lua_dir/include" ]] && grep -rq 'LUA_VERSION_NUM.*501' "$lua_dir/include" && lua_ver=5.1
796 AC_MSG_RESULT(Lua ${lua_ver})
797 else
798 #
799 # The user specified no directory in which liblua resides,
800 # we try to find out the lua version by looking at pathnames
801 # and we just add "-llua -lliblua" to the used libs.
802 #
803 AC_MSG_CHECKING(Lua version)
804 for i in 5.0 5.1 5.2
805 do
806 [[ -d "/usr/include/lua$i" ]] && lua_ver=$i
807 done
808 AC_MSG_RESULT(Lua ${lua_ver})
809 wireshark_save_CPPFLAGS="$CPPFLAGS"
810 wireshark_save_LDFLAGS="$LDFLAGS"
811 wireshark_save_LIBS="$LIBS"
812 LIBS="$LIBS -llua -lm"
813 fi
815 #
816 # Make sure we have "lua.h", "lualib.h" and "lauxlib.h". If we don't, it means we probably
817 # don't have liblua, so don't use it.
818 #
819 AC_CHECK_HEADERS(lua.h lualib.h lauxlib.h,,
820 [
821 AC_CHECK_HEADERS(lua${lua_ver}/lua.h lua${lua_ver}/lualib.h lua${lua_ver}/lauxlib.h,
822 [
823 if test "x$lua_dir" != "x"
824 then
825 LUA_INCLUDES="-I$lua_dir/include/lua${lua_ver}"
826 else
827 #
828 # The user didn't specify a directory in which liblua resides;
829 # we must look for the headers in a "lua${lua_ver}" subdirectory of
830 # "/usr/include", "/usr/local/include", or "$prefix/include"
831 # as some systems apparently put the headers in a "lua${lua_ver}"
832 # subdirectory.
833 AC_MSG_CHECKING(for extraneous lua header directories)
834 found_lua_dir=""
835 lua_dir_list="/usr/include/lua${lua_ver} $prefix/include/lua${lua_ver}"
836 if test "x$ac_cv_enable_usr_local" = "xyes"
837 then
838 lua_dir_list="$lua_dir_list /usr/local/include/lua${lua_ver}"
839 fi
840 for lua_dir_ent in $lua_dir_list
841 do
842 if test -d $lua_dir_ent
843 then
844 LUA_INCLUDES="-I$lua_dir_ent"
845 found_lua_dir="$lua_dir_ent"
846 break
847 fi
848 done
850 if test "x$found_lua_dir" != "x"
851 then
852 AC_MSG_RESULT(found -- $found_lua_dir)
853 else
854 AC_MSG_RESULT(not found)
855 #
856 # Restore the versions of CPPFLAGS,
857 # LDFLAGS, and LIBS before we added the
858 # "--with-lua=" directory, as we didn't
859 # actually find lua there.
860 #
861 CPPFLAGS="$wireshark_save_CPPFLAGS"
862 LDFLAGS="$wireshark_save_LDFLAGS"
863 LIBS="$wireshark_save_LIBS"
864 LUA_LIBS=""
865 if test "x$want_lua" = "xyes"
866 then
867 # we found lua${lua_ver}/lua.h, but we don't know which include dir contains it
868 AC_MSG_ERROR(Header file lua.h was found as lua${lua_ver}/lua.h but we can't locate the include directory. Please set the DIR for the --with-lua configure parameter.)
869 else
870 #
871 # We couldn't find the header file; don't use the
872 # library, as it's probably not present.
873 #
874 want_lua=no
875 fi
876 fi
877 fi
878 ],
879 [
880 #
881 # Restore the versions of CPPFLAGS, LDFLAGS,
882 # and LIBS before we added the "--with-lua="
883 # directory, as we didn't actually find lua
884 # there.
885 #
886 CPPFLAGS="$wireshark_save_CPPFLAGS"
887 LDFLAGS="$wireshark_save_LDFLAGS"
888 LIBS="$wireshark_save_LIBS"
889 LUA_LIBS=""
890 if test "x$lua_dir" != "x"
891 then
892 #
893 # The user used "--with-lua=" to specify a directory
894 # containing liblua, but we didn't find the header file
895 # there; that either means they didn't specify the
896 # right directory or are confused about whether liblua
897 # is, in fact, installed. Report the error and give up.
898 #
899 AC_MSG_ERROR([liblua header not found in directory specified in --with-lua])
900 else
901 if test "x$want_lua" = "xyes"
902 then
903 #
904 # The user tried to force us to use the library, but we
905 # couldn't find the header file; report an error.
906 #
907 AC_MSG_ERROR(Header file lua.h not found.)
908 else
909 #
910 # We couldn't find the header file; don't use the
911 # library, as it's probably not present.
912 #
913 want_lua=no
914 fi
915 fi
916 ])
917 ])
919 if test "x$want_lua" != "xno"
920 then
921 #
922 # Well, we at least have the lua header file.
923 #
924 # let's check if the libs are there
925 #
927 # At least on Suse 9.3 systems, liblualib needs linking
928 # against libm.
929 LIBS="$LIBS $LUA_LIBS -lm"
931 AC_CHECK_LIB(lua, luaL_openlibs,
932 [
933 #
934 # Lua found
935 #
936 if test "x$lua_dir" != "x"
937 then
938 #
939 # Put the "-I" and "-L" flags for lua into
940 # LUA_INCLUDES and LUA_LIBS, respectively.
941 #
942 LUA_LIBS="-L$lua_dir/lib -llua -lm"
943 LUA_INCLUDES="-I$lua_dir/include"
944 else
945 LUA_LIBS="-llua -lm"
946 LUA_INCLUDES=""
947 fi
948 AC_DEFINE(HAVE_LUA, 1, [Define to use Lua])
949 want_lua=yes
951 ],[
952 #
953 # We could not find the libs, maybe we have version number in the lib name
954 #
956 LIBS="$wireshark_save_LIBS -llua${lua_ver} -lm"
958 AC_CHECK_LIB(lua${lua_ver}, luaL_openlibs,
959 [
960 #
961 # Lua found
962 #
963 LUA_LIBS=" -llua${lua_ver} -lm"
964 AC_DEFINE(HAVE_LUA, 1, [Define to use Lua])
965 want_lua=yes
966 ],[
967 #
968 # Restore the versions of CPPFLAGS, LDFLAGS,
969 # and LIBS before we added the "--with-lua="
970 # directory, as we didn't actually find lua
971 # there.
972 #
973 CPPFLAGS="$wireshark_save_CPPFLAGS"
974 LDFLAGS="$wireshark_save_LDFLAGS"
975 LIBS="$wireshark_save_LIBS"
976 LUA_LIBS=""
977 # User requested --with-lua but it isn't available
978 if test "x$want_lua" = "xyes"
979 then
980 AC_MSG_ERROR(Linking with liblua failed.)
981 fi
982 want_lua=no
983 ])
984 ])
986 CPPFLAGS="$wireshark_save_CPPFLAGS"
987 LDFLAGS="$wireshark_save_LDFLAGS"
988 LIBS="$wireshark_save_LIBS"
989 AC_SUBST(LUA_LIBS)
990 AC_SUBST(LUA_INCLUDES)
992 fi
993 ])
995 #
996 # AC_WIRESHARK_LIBPORTAUDIO_CHECK
997 #
998 AC_DEFUN([AC_WIRESHARK_LIBPORTAUDIO_CHECK],[
1000 if test "x$portaudio_dir" != "x"
1001 then
1002 #
1003 # The user specified a directory in which libportaudio
1004 # resides, so add the "include" subdirectory of that directory to
1005 # the include file search path and the "lib" subdirectory
1006 # of that directory to the library search path.
1007 #
1008 # XXX - if there's also a libportaudio in a directory that's
1009 # already in CPPFLAGS or LDFLAGS, this won't make us find
1010 # the version in the specified directory, as the compiler
1011 # and/or linker will search that other directory before it
1012 # searches the specified directory.
1013 #
1014 wireshark_save_CPPFLAGS="$CPPFLAGS"
1015 CPPFLAGS="$CPPFLAGS -I$portaudio_dir/include"
1016 wireshark_save_LIBS="$LIBS"
1017 LIBS="$LIBS -L$portaudio_dir/lib -lportaudio"
1018 wireshark_save_LDFLAGS="$LDFLAGS"
1019 LDFLAGS="$LDFLAGS -L$portaudio_dir/lib"
1020 else
1021 #
1022 # The user specified no directory in which libportaudio resides,
1023 # so just add "-lportaudio" to the used libs.
1024 #
1025 wireshark_save_CPPFLAGS="$CPPFLAGS"
1026 wireshark_save_LDFLAGS="$LDFLAGS"
1027 wireshark_save_LIBS="$LIBS"
1028 LIBS="$LIBS -lportaudio"
1029 fi
1031 #
1032 # Make sure we have "portaudio.h". If we don't, it means we probably
1033 # don't have libportaudio, so don't use it.
1034 #
1035 AC_CHECK_HEADERS(portaudio.h,,
1036 [
1037 if test "x$portaudio_dir" != "x"
1038 then
1039 #
1040 # The user used "--with-portaudio=" to specify a directory
1041 # containing libportaudio, but we didn't find the header file
1042 # there; that either means they didn't specify the
1043 # right directory or are confused about whether libportaudio
1044 # is, in fact, installed. Report the error and give up.
1045 #
1046 AC_MSG_ERROR([libportaudio header not found in directory specified in --with-portaudio])
1047 else
1048 CPPFLAGS="$wireshark_save_CPPFLAGS"
1049 LDFLAGS="$wireshark_save_LDFLAGS"
1050 LIBS="$wireshark_save_LIBS"
1051 PORTAUDIO_LIBS=""
1052 if test "x$want_portaudio" = "xyes"
1053 then
1054 #
1055 # The user tried to force us to use the library, but we
1056 # couldn't find the header file; report an error.
1057 #
1058 AC_MSG_ERROR(Header file portaudio.h not found.)
1059 else
1060 #
1061 # We couldn't find the header file; don't use the
1062 # library, as it's probably not present.
1063 #
1064 want_portaudio=no
1065 fi
1066 fi
1067 ])
1069 #
1070 # Check whether we have the right version of portaudio
1071 #
1072 if test "x$want_portaudio" != "xno"
1073 then
1074 AC_CHECK_TYPE(PortAudioStream,
1075 AC_DEFINE(PORTAUDIO_API_1, 1, [Define if we are using version of of the Portaudio library API]),
1076 ,
1077 [#include <portaudio.h>])
1078 fi
1080 if test "x$want_portaudio" != "xno"
1081 then
1082 #
1083 # Well, we at least have the portaudio header file.
1084 #
1085 # let's check if the libs are there
1086 #
1088 AC_CHECK_LIB(portaudio, Pa_Initialize,
1089 [
1090 if test "x$portaudio_dir" != "x"
1091 then
1092 #
1093 # Put the "-I" and "-L" flags for portaudio
1094 # into PORTAUDIO_INCLUDES and PORTAUDIO_LIBS,
1095 # respectively.
1096 #
1097 PORTAUDIO_LIBS="-L$portaudio_dir/lib -lportaudio"
1098 PORTAUDIO_INCLUDES="-I$portaudio_dir/include"
1099 else
1100 PORTAUDIO_LIBS="-lportaudio"
1101 PORTAUDIO_INCLUDES=""
1102 fi
1103 AC_DEFINE(HAVE_LIBPORTAUDIO, 1, [Define to use libportaudio library])
1104 want_portaudio=yes
1105 ],[
1106 #
1107 # Restore the versions of CPPFLAGS, LDFLAGS, and
1108 # LIBS before we added the "--with-portaudio="
1109 # directory, as we didn't actually find portaudio
1110 # there.
1111 #
1112 CPPFLAGS="$wireshark_save_CPPFLAGS"
1113 LDFLAGS="$wireshark_save_LDFLAGS"
1114 LIBS="$wireshark_save_LIBS"
1115 PORTAUDIO_LIBS=""
1116 # User requested --with-portaudio but it isn't available
1117 if test "x$want_portaudio" = "xyes"
1118 then
1119 AC_MSG_ERROR(Linking with libportaudio failed.)
1120 fi
1121 want_portaudio=no
1122 ])
1124 CPPFLAGS="$wireshark_save_CPPFLAGS"
1125 LDFLAGS="$wireshark_save_LDFLAGS"
1126 LIBS="$wireshark_save_LIBS"
1127 AC_SUBST(PORTAUDIO_LIBS)
1128 AC_SUBST(PORTAUDIO_INCLUDES)
1130 fi
1131 ])
1133 #
1134 # AC_WIRESHARK_RPM_CHECK
1135 # Looks for the rpm program, and checks to see if we can redefine "_topdir".
1136 #
1137 AC_DEFUN([AC_WIRESHARK_RPM_CHECK],
1138 [
1139 AC_CHECK_PROG(ac_cv_wireshark_have_rpm, rpm, "yes", "no")
1140 if test "x$ac_cv_wireshark_have_rpm" = "xyes"; then
1141 rpm --define '_topdir /tmp' > /dev/null 2>&1
1142 AC_MSG_CHECKING(to see if we can redefine _topdir)
1143 if test $? -eq 0 ; then
1144 AC_MSG_RESULT(yes)
1145 HAVE_RPM=yes
1146 else
1147 AC_MSG_RESULT(no. You'll have to build packages manually.)
1148 HAVE_RPM=no
1149 fi
1150 fi
1151 ])
1153 #
1154 # AC_WIRESHARK_GNU_SED_CHECK
1155 # Checks if GNU sed is the first sed in PATH.
1156 #
1157 AC_DEFUN([AC_WIRESHARK_GNU_SED_CHECK],
1158 [
1159 AC_MSG_CHECKING(for GNU sed as first sed in PATH)
1160 if ( sh -c "sed --version" </dev/null 2> /dev/null | grep "GNU sed" 2>&1 > /dev/null ) ; then
1161 AC_MSG_RESULT(yes)
1162 HAVE_GNU_SED=yes
1163 else
1164 AC_MSG_RESULT(no)
1165 HAVE_GNU_SED=no
1166 fi
1167 ])
1169 #
1170 # AC_WIRESHARK_C_ARES_CHECK
1171 #
1172 AC_DEFUN([AC_WIRESHARK_C_ARES_CHECK],
1173 [
1174 want_c_ares=defaultyes
1176 if test "x$want_c_ares" = "xdefaultyes"; then
1177 want_c_ares=yes
1178 if test "x$ac_cv_enable_usr_local" = "xyes" ; then
1179 withval=/usr/local
1180 if test -d "$withval"; then
1181 AC_WIRESHARK_ADD_DASH_L(LDFLAGS, ${withval}/lib)
1182 fi
1183 fi
1184 fi
1186 if test "x$want_c_ares" = "xyes"; then
1187 AC_CHECK_LIB(cares, ares_init,
1188 [
1189 C_ARES_LIBS=-lcares
1190 AC_DEFINE(HAVE_C_ARES, 1, [Define to use c-ares library])
1191 have_good_c_ares=yes
1192 ],, $SOCKET_LIBS $NSL_LIBS
1193 )
1194 else
1195 AC_MSG_RESULT(not required)
1196 fi
1197 ])
1200 #
1201 # AC_WIRESHARK_ADNS_CHECK
1202 #
1203 AC_DEFUN([AC_WIRESHARK_ADNS_CHECK],
1204 [
1205 want_adns=defaultyes
1207 if test "x$want_adns" = "xdefaultyes"; then
1208 want_adns=yes
1209 if test "x$ac_cv_enable_usr_local" = "xyes" ; then
1210 withval=/usr/local
1211 if test -d "$withval"; then
1212 AC_WIRESHARK_ADD_DASH_L(LDFLAGS, ${withval}/lib)
1213 fi
1214 fi
1215 fi
1217 if test "x$want_adns" = "xyes"; then
1218 AC_CHECK_LIB(adns, adns_init,
1219 [
1220 ADNS_LIBS=-ladns
1221 AC_DEFINE(HAVE_GNU_ADNS, 1, [Define to use GNU ADNS library])
1222 have_good_adns=yes
1223 ],, $SOCKET_LIBS $NSL_LIBS
1224 )
1225 else
1226 AC_MSG_RESULT(not required)
1227 fi
1228 ])
1231 #
1232 # AC_WIRESHARK_LIBCAP_CHECK
1233 #
1234 AC_DEFUN([AC_WIRESHARK_LIBCAP_CHECK],
1235 [
1236 want_libcap=defaultyes
1238 if test "x$want_libcap" = "xdefaultyes"; then
1239 want_libcap=yes
1240 if test "x$ac_cv_enable_usr_local" = "xyes" ; then
1241 withval=/usr/local
1242 if test -d "$withval"; then
1243 AC_WIRESHARK_ADD_DASH_L(LDFLAGS, ${withval}/lib)
1244 fi
1245 fi
1246 fi
1248 if test "x$want_libcap" = "xyes"; then
1249 AC_CHECK_LIB(cap, cap_set_flag,
1250 [
1251 LIBCAP_LIBS=-lcap
1252 AC_DEFINE(HAVE_LIBCAP, 1, [Define to use the libcap library])
1253 have_good_libcap=yes
1254 ],,
1255 )
1256 else
1257 AC_MSG_RESULT(not required)
1258 fi
1259 ])
1262 #
1263 # AC_WIRESHARK_KRB5_CHECK
1264 #
1265 AC_DEFUN([AC_WIRESHARK_KRB5_CHECK],
1266 [
1267 wireshark_save_CPPFLAGS="$CPPFLAGS"
1268 if test "x$krb5_dir" != "x"
1269 then
1270 #
1271 # The user specified a directory in which kerberos resides,
1272 # so add the "include" subdirectory of that directory to
1273 # the include file search path and the "lib" subdirectory
1274 # of that directory to the library search path.
1275 #
1276 # XXX - if there's also a kerberos in a directory that's
1277 # already in CPPFLAGS or LDFLAGS, this won't make us find
1278 # the version in the specified directory, as the compiler
1279 # and/or linker will search that other directory before it
1280 # searches the specified directory.
1281 #
1282 CPPFLAGS="$CPPFLAGS -I$krb5_dir/include"
1283 ac_heimdal_version=`grep heimdal $krb5_dir/include/krb5.h | head -n 1 | sed 's/^.*heimdal.*$/HEIMDAL/'`
1284 # MIT Kerberos moved krb5.h to krb5/krb5.h starting with release 1.5
1285 ac_mit_version_olddir=`grep 'Massachusetts Institute of Technology' $krb5_dir/include/krb5.h | head -n 1 | sed 's/^.*Massachusetts Institute of Technology.*$/MIT/'`
1286 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/'`
1287 ac_krb5_version="$ac_heimdal_version$ac_mit_version_olddir$ac_mit_version_newdir"
1288 if test "x$ac_krb5_version" = "xHEIMDAL"
1289 then
1290 KRB5_LIBS="-L$krb5_dir/lib -lkrb5 -lasn1 $SSL_LIBS -lroken -lcrypt"
1291 else
1292 KRB5_LIBS="-L$krb5_dir/lib -lkrb5 -lk5crypto -lcom_err"
1293 fi
1294 if test "x$ac_krb5_version" = "xMIT"
1295 then
1296 AC_DEFINE(HAVE_MIT_KERBEROS, 1, [Define to use MIT kerberos])
1297 fi
1298 else
1299 AC_PATH_PROG(KRB5_CONFIG, krb5-config)
1300 if test -x "$KRB5_CONFIG"
1301 then
1302 KRB5_FLAGS=`"$KRB5_CONFIG" --cflags`
1303 KRB5_LIBS=`"$KRB5_CONFIG" --libs`
1304 CPPFLAGS="$CPPFLAGS $KRB5_FLAGS"
1305 #
1306 # If -lcrypto is in KRB5_FLAGS, we require it to build
1307 # with Heimdal/MIT. We don't want to built with it by
1308 # default, due to annoying license incompatibilities
1309 # between the OpenSSL license and the GPL, so:
1310 #
1311 # if SSL_LIBS is set to a non-empty string, we
1312 # remove -lcrypto from KRB5_LIBS and replace
1313 # it with SSL_LIBS;
1314 #
1315 # if SSL_LIBS is not set to a non-empty string
1316 # we fail with an appropriate error message.
1317 #
1318 case "$KRB5_LIBS" in
1319 *-lcrypto*)
1320 if test ! -z "$SSL_LIBS"
1321 then
1322 KRB5_LIBS=`echo $KRB5_LIBS | sed 's/-lcrypto//'`
1323 KRB5_LIBS="$KRB5_LIBS $SSL_LIBS"
1324 else
1325 AC_MSG_ERROR([Kerberos library requires -lcrypto but --with-ssl not specified])
1326 fi
1327 ;;
1328 esac
1329 ac_krb5_version=`"$KRB5_CONFIG" --version | head -n 1 | sed -e 's/^.*heimdal.*$/HEIMDAL/' -e 's/^Kerberos .*$/MIT/' -e 's/^Solaris Kerberos .*$/MIT/'`
1330 fi
1331 fi
1333 #
1334 # Make sure we have "krb5.h". If we don't, it means we probably
1335 # don't have kerberos, so don't use it.
1336 #
1337 AC_CHECK_HEADER(krb5.h,,
1338 [
1339 if test "x$krb5_dir" != "x"
1340 then
1341 #
1342 # The user used "--with-krb5=" to specify a directory
1343 # containing kerberos, but we didn't find the header file
1344 # there; that either means they didn't specify the
1345 # right directory or are confused about whether kerberos
1346 # is, in fact, installed. Report the error and give up.
1347 #
1348 AC_MSG_ERROR([kerberos header not found in directory specified in --with-krb5])
1349 else
1350 if test "x$want_krb5" = "xyes"
1351 then
1352 #
1353 # The user tried to force us to use the library, but we
1354 # couldn't find the header file; report an error.
1355 #
1356 AC_MSG_ERROR(Header file krb5.h not found.)
1357 else
1358 #
1359 # We couldn't find the header file; don't use the
1360 # library, as it's probably not present.
1361 #
1362 want_krb5=no
1363 AC_MSG_RESULT(No Heimdal or MIT header found - disabling dissection for some kerberos data in packet decoding)
1364 fi
1365 fi
1366 ])
1368 if test "x$want_krb5" != "xno"
1369 then
1370 #
1371 # Well, we at least have the krb5 header file.
1372 # Check whether this is Heimdal or MIT.
1373 #
1374 AC_MSG_CHECKING(whether the Kerberos library is Heimdal or MIT)
1375 if test "x$ac_krb5_version" = "xHEIMDAL" -o "x$ac_krb5_version" = "xMIT"
1376 then
1377 #
1378 # Yes.
1379 # Check whether we have krb5_kt_resolve - and whether
1380 # we need to link with -lresolv when linking with
1381 # the Kerberos library.
1382 #
1383 AC_MSG_RESULT($ac_krb5_version)
1384 wireshark_save_LIBS="$LIBS"
1385 found_krb5_kt_resolve=no
1386 for extras in "" "-lresolv"
1387 do
1388 LIBS="$KRB5_LIBS $extras"
1389 if test -z "$extras"
1390 then
1391 AC_MSG_CHECKING([whether $ac_krb5_version includes krb5_kt_resolve])
1392 else
1393 AC_MSG_CHECKING([whether $ac_krb5_version includes krb5_kt_resolve (linking with $extras)])
1394 fi
1395 AC_TRY_LINK(
1396 [
1397 ],
1398 [
1399 krb5_kt_resolve();
1400 ],
1401 [
1402 #
1403 # We found "krb5_kt_resolve()", and required
1404 # the libraries in extras as well.
1405 #
1406 AC_MSG_RESULT(yes)
1407 KRB5_LIBS="$LIBS"
1408 AC_DEFINE(HAVE_KERBEROS, 1, [Define to use kerberos])
1409 if test "x$ac_krb5_version" = "xHEIMDAL"
1410 then
1411 AC_DEFINE(HAVE_HEIMDAL_KERBEROS, 1, [Define to use heimdal kerberos])
1412 elif test "x$ac_krb5_version" = "xMIT"
1413 then
1414 AC_DEFINE(HAVE_MIT_KERBEROS, 1, [Define to use MIT kerberos])
1415 fi
1416 found_krb5_kt_resolve=yes
1417 break
1418 ],
1419 [
1420 AC_MSG_RESULT(no)
1421 ])
1422 done
1423 if test "$found_krb5_kt_resolve" = no
1424 then
1425 #
1426 # We didn't find "krb5_kt_resolve()" in the
1427 # Kerberos library, even when we tried linking
1428 # with -lresolv; we can't link with kerberos.
1429 #
1430 if test "x$want_krb5" = "xyes"
1431 then
1432 #
1433 # The user tried to force us to use the library,
1434 # but we can't do so; report an error.
1435 #
1436 AC_MSG_ERROR(Usable $ac_krb5_version not found)
1437 else
1438 #
1439 # Restore the versions of CPPFLAGS from before we
1440 # added the flags for Kerberos.
1441 #
1442 AC_MSG_RESULT(Usable $ac_krb5_version not found - disabling dissection for some kerberos data in packet decoding)
1443 CPPFLAGS="$wireshark_save_CPPFLAGS"
1444 KRB5_LIBS=""
1445 want_krb5=no
1446 fi
1447 else
1448 #
1449 # We can link with Kerberos; see whether krb5.h
1450 # defines KEYTYPE_ARCFOUR_56 (where "defines" means
1451 # "as a #define or as an enum member).
1452 #
1453 AC_MSG_CHECKING([whether krb5.h defines KEYTYPE_ARCFOUR_56])
1454 AC_COMPILE_IFELSE(
1455 [
1456 AC_LANG_SOURCE(
1457 [[
1458 #include <krb5.h>
1459 #include <stdio.h>
1461 main()
1462 {
1463 printf("%u\n", KEYTYPE_ARCFOUR_56);
1464 }
1465 ]])
1466 ],
1467 [
1468 AC_MSG_RESULT(yes)
1469 AC_DEFINE(HAVE_KEYTYPE_ARCFOUR_56, 1, [Define if krb5.h defines KEYTYPE_ARCFOUR_56])
1470 ],
1471 [
1472 AC_MSG_RESULT(no)
1473 ])
1474 fi
1475 LIBS="$wireshark_save_LIBS"
1476 else
1477 #
1478 # It's not Heimdal or MIT.
1479 #
1480 AC_MSG_RESULT(no)
1481 if test "x$want_krb5" = "xyes"
1482 then
1483 #
1484 # The user tried to force us to use the library,
1485 # but we can't do so; report an error.
1486 #
1487 AC_MSG_ERROR(Kerberos not found)
1488 else
1489 #
1490 # Restore the versions of CPPFLAGS from before we
1491 # added the flags for Kerberos.
1492 #
1493 AC_MSG_RESULT(Kerberos not found - disabling dissection for some kerberos data in packet decoding)
1494 CPPFLAGS="$wireshark_save_CPPFLAGS"
1495 KRB5_LIBS=""
1496 want_krb5=no
1497 fi
1498 fi
1499 else
1500 #
1501 # The user asked us not to use Kerberos, or they didn't
1502 # say whether they wanted us to use it but we found
1503 # that we couldn't.
1504 #
1505 # Restore the versions of CPPFLAGS from before we added
1506 # the flags for Kerberos.
1507 #
1508 CPPFLAGS="$wireshark_save_CPPFLAGS"
1509 KRB5_LIBS=""
1510 want_krb5=no
1511 fi
1512 AC_SUBST(KRB5_LIBS)
1513 ])
1515 #
1516 # AC_WIRESHARK_GEOIP_CHECK
1517 #
1518 AC_DEFUN([AC_WIRESHARK_GEOIP_CHECK],
1519 [
1520 want_geoip=defaultyes
1522 if test "x$want_geoip" = "xdefaultyes"; then
1523 want_geoip=yes
1524 if test "x$ac_cv_enable_usr_local" = "xyes" ; then
1525 withval=/usr/local
1526 if test -d "$withval"; then
1527 AC_WIRESHARK_ADD_DASH_L(LDFLAGS, ${withval}/lib)
1528 fi
1529 fi
1530 fi
1532 if test "x$want_geoip" = "xyes"; then
1533 AC_CHECK_LIB(GeoIP, GeoIP_new,
1534 [
1535 GEOIP_LIBS=-lGeoIP
1536 AC_DEFINE(HAVE_GEOIP, 1, [Define to use GeoIP library])
1537 have_good_geoip=yes
1538 ],,
1539 )
1540 if test "x$have_good_geoip" = "xyes"; then
1541 AC_CHECK_LIB(GeoIP, GeoIP_country_name_by_ipnum_v6,
1542 [
1543 AC_DEFINE(HAVE_GEOIP_V6, 1, [Define if GeoIP supports IPv6 (GeoIP 1.4.5 and later)])
1544 ],,
1545 )
1546 fi
1547 else
1548 AC_MSG_RESULT(not required)
1549 fi
1550 ])
1552 #AC_WIRESHARK_LDFLAGS_CHECK
1553 #
1554 # $1 : ldflag(s) to test
1555 #
1556 # The macro first determines if the compiler supports "-Wl,{option}" to
1557 # pass options through to the linker. Then it attempts to compile with
1558 # the defined ldflags. The defined flags are added to LDFLAGS only if
1559 # the compilation succeeds.
1560 #
1561 AC_DEFUN([AC_WIRESHARK_LDFLAGS_CHECK],
1562 [GCC_OPTION="$1"
1563 AC_MSG_CHECKING(whether we can add $GCC_OPTION to LDFLAGS)
1564 if test "x$ac_supports_W_linker_passthrough" = "xyes"; then
1565 LDFLAGS_saved="$LDFLAGS"
1566 LDFLAGS="$LDFLAGS $GCC_OPTION"
1567 AC_LINK_IFELSE([
1568 AC_LANG_SOURCE([[
1569 main() { return; }
1570 ]])],
1571 [
1572 AC_MSG_RESULT(yes)
1573 ],
1574 [
1575 AC_MSG_RESULT(no)
1576 LDFLAGS="$LDFLAGS_saved"
1577 ])
1578 else
1579 AC_MSG_RESULT(no)
1580 fi
1581 ])
1583 dnl
1584 dnl Check whether, if you pass an unknown warning option to the
1585 dnl compiler, it fails or just prints a warning message and succeeds.
1586 dnl Set ac_wireshark_unknown_warning_option_error to the appropriate flag
1587 dnl to force an error if it would otherwise just print a warning message
1588 dnl and succeed.
1589 dnl
1590 AC_DEFUN([AC_WIRESHARK_CHECK_UNKNOWN_WARNING_OPTION_ERROR],
1591 [
1592 AC_MSG_CHECKING([whether the compiler fails when given an unknown warning option])
1593 save_CFLAGS="$CFLAGS"
1594 CFLAGS="$CFLAGS -Wxyzzy-this-will-never-succeed-xyzzy"
1595 AC_TRY_COMPILE(
1596 [],
1597 [return 0],
1598 [
1599 AC_MSG_RESULT([no, adding -Werror=unknown-warning-option])
1600 #
1601 # We're assuming this is clang, where
1602 # -Werror=unknown-warning-option is the appropriate
1603 # option to force the compiler to fail.
1604 #
1605 ac_wireshark_unknown_warning_option_error="-Werror=unknown-warning-option"
1606 ],
1607 [
1608 AC_MSG_RESULT([yes])
1609 ])
1610 CFLAGS="$save_CFLAGS"
1611 ])
1613 #
1614 # AC_WIRESHARK_COMPILER_FLAGS_CHECK
1615 #
1616 # $1 : flags to test
1617 # $2 : if supplied, C for C-only flags, CXX for C++-only flags
1618 # $3 : if supplied, a program to try to compile with the flag
1619 # and, if the compile fails when -Werror is turned on,
1620 # we don't add the flag - used for warning flags that
1621 # issue incorrect or non-useful warnings with some
1622 # compiler versions
1623 # $4 : must be supplied if $3 is supplied - a message describing
1624 # for what the test program is testing
1625 #
1626 # The macro first determines if the compiler supports GCC-style flags.
1627 # Then it attempts to compile with the defined cflags. The defined
1628 # flags are added to CFLAGS only if the compilation succeeds.
1629 #
1630 # We do this because not all such options are necessarily supported by
1631 # the version of the particular compiler we're using.
1632 #
1633 AC_DEFUN([AC_WIRESHARK_COMPILER_FLAGS_CHECK],
1634 [GCC_OPTION="$1"
1635 can_add_to_cflags=""
1636 can_add_to_cxxflags=""
1637 if test "x$ac_supports_gcc_flags" = "xyes" ; then
1638 if test "$2" != CXX ; then
1639 #
1640 # Not C++-only; if this can be added to the C compiler flags, add them.
1641 #
1642 # If the option begins with "-W", add
1643 # $ac_wireshark_unknown_warning_option_error to make sure that
1644 # we'll get an error if it's an unknown warning option; not all
1645 # compilers treat unknown warning options as errors (I'm looking at
1646 # you, clang).
1647 #
1648 # If the option begins with "-f", add -Werror to make sure that
1649 # we'll get an error if we get "argument unused during compilation"
1650 # warnings, as those will either cause a failure for files compiled
1651 # with -Werror or annoying noise for files compiled without it.
1652 # (Yeah, you, clang.)
1653 #
1654 AC_MSG_CHECKING(whether we can add $GCC_OPTION to CFLAGS)
1655 CFLAGS_saved="$CFLAGS"
1656 if expr "x$GCC_OPTION" : "x-W.*" >/dev/null
1657 then
1658 CFLAGS="$CFLAGS $ac_wireshark_unknown_warning_option_error $GCC_OPTION"
1659 elif expr "x$GCC_OPTION" : "x-f.*" >/dev/null
1660 then
1661 CFLAGS="$CFLAGS -Werror $GCC_OPTION"
1662 fi
1663 AC_COMPILE_IFELSE(
1664 [
1665 AC_LANG_SOURCE([[int foo;]])
1666 ],
1667 [
1668 AC_MSG_RESULT(yes)
1669 can_add_to_cflags=yes
1670 #
1671 # OK, do we have a test program? If so, check
1672 # whether it fails with this option and -Werror,
1673 # and, if so, don't include it.
1674 #
1675 # We test arg 4 here because arg 3 is a program which
1676 # could contain quotes (breaking the comparison).
1677 #
1678 if test "x$4" != "x" ; then
1679 CFLAGS="$CFLAGS -Werror"
1680 AC_MSG_CHECKING(whether $GCC_OPTION $4)
1681 AC_COMPILE_IFELSE(
1682 [AC_LANG_SOURCE($3)],
1683 [
1684 AC_MSG_RESULT(no)
1685 #
1686 # Remove "force an error for a warning" options, if we
1687 # added them, by setting CFLAGS to the saved value plus
1688 # just the new option.
1689 #
1690 CFLAGS="$CFLAGS_saved $GCC_OPTION"
1691 #
1692 # Add it to the flags we use when building build tools.
1693 #
1694 CFLAGS_FOR_BUILD="$CFLAGS_FOR_BUILD $GCC_OPTION"
1695 ],
1696 [
1697 AC_MSG_RESULT(yes)
1698 CFLAGS="$CFLAGS_saved"
1699 ])
1700 else
1701 #
1702 # Remove "force an error for a warning" options, if we
1703 # added them, by setting CFLAGS to the saved value plus
1704 # just the new option.
1705 #
1706 CFLAGS="$CFLAGS_saved $GCC_OPTION"
1707 #
1708 # Add it to the flags we use when building build tools.
1709 #
1710 CFLAGS_FOR_BUILD="$CFLAGS_FOR_BUILD $GCC_OPTION"
1711 fi
1712 ],
1713 [
1714 AC_MSG_RESULT(no)
1715 can_add_to_cflags=no
1716 CFLAGS="$CFLAGS_saved"
1717 ])
1718 fi
1719 if test "$2" != C ; then
1720 #
1721 # Not C-only; if this can be added to the C++ compiler flags, add them.
1722 #
1723 AC_MSG_CHECKING(whether we can add $GCC_OPTION to CXXFLAGS)
1724 CXXFLAGS_saved="$CXXFLAGS"
1725 if expr "x$GCC_OPTION" : "x-W.*" >/dev/null
1726 then
1727 CXXFLAGS="$CXXFLAGS $ac_wireshark_unknown_warning_option_error $GCC_OPTION"
1728 elif expr "x$GCC_OPTION" : "x-f.*" >/dev/null
1729 then
1730 CXXFLAGS="$CXXFLAGS -Werror $GCC_OPTION"
1731 fi
1732 AC_LANG_PUSH([C++])
1733 AC_COMPILE_IFELSE(
1734 [
1735 AC_LANG_SOURCE([[int foo;]])
1736 ],
1737 [
1738 AC_MSG_RESULT(yes)
1739 can_add_to_cxxflags=yes
1740 #
1741 # OK, do we have a test program? If so, check
1742 # whether it fails with this option and -Werror,
1743 # and, if so, don't include it.
1744 #
1745 # We test arg 4 here because arg 3 is a program which
1746 # could contain quotes (breaking the comparison).
1747 #
1748 if test "x$4" != "x" ; then
1749 CXXFLAGS="$CXXFLAGS -Werror"
1750 AC_MSG_CHECKING(whether $GCC_OPTION $4)
1751 AC_COMPILE_IFELSE(
1752 [AC_LANG_SOURCE($3)],
1753 [
1754 AC_MSG_RESULT(no)
1755 #
1756 # Remove "force an error for a warning" options, if we
1757 # added them, by setting CXXFLAGS to the saved value plus
1758 # just the new option.
1759 #
1760 CXXFLAGS="$CXXFLAGS_saved $GCC_OPTION"
1761 ],
1762 [
1763 AC_MSG_RESULT(yes)
1764 CXXFLAGS="$CXXFLAGS_saved"
1765 ])
1766 else
1767 #
1768 # Remove "force an error for a warning" options, if we
1769 # added them, by setting CXXFLAGS to the saved value plus
1770 # just the new option.
1771 #
1772 CXXFLAGS="$CXXFLAGS_saved $GCC_OPTION"
1773 fi
1774 ],
1775 [
1776 AC_MSG_RESULT(no)
1777 can_add_to_cxxflags=no
1778 CXXFLAGS="$CXXFLAGS_saved"
1779 ])
1780 AC_LANG_POP([C++])
1781 fi
1782 if test "(" "$can_add_to_cflags" = "yes" -a "$can_add_to_cxxflags" = "no" ")" \
1783 -o "(" "$can_add_to_cflags" = "no" -a "$can_add_to_cxxflags" = "yes" ")"
1784 then
1785 AC_MSG_WARN([$CC and $CXX appear to be a mismatched pair])
1786 fi
1787 else
1788 AC_MSG_RESULT(no)
1789 fi
1790 ])
1792 # AC_WIRESHARK_GCC_FORTIFY_SOURCE_CHECK
1793 #
1794 # Checks if '-D_FORTIFY_SOURCE=...' is OK to use in CPPFLAGS.
1795 # Use '-D_FORTIFY_SOURCE=...' in CPPFLAGS only if the GCC 'optimization level' is > 0.
1796 # The use of '-D_FORTIFY_SOURCE=...' will cause a warning with at least some versions
1797 # of glibc if the GCC "optimization level" is 0 (default or -O or -O0)
1798 # when using GCC to compile a source file which references the macro definition.
1799 #
1800 # See: http://gcc.gnu.org/ml/gcc-patches/2004-09/msg02055.html
1801 # See: http://sourceware.org/bugzilla/show_bug.cgi?id=13979
1802 #
1803 # We'll use '-D_FORTIFY_SOURCE=2' only if there's no warning; Among other things this means
1804 # that the use of '-D_FORTIFY_SOURCE=2' with '-Werror' and '-O0' won't cause
1805 # the compiler to stop on error.
1806 # Assumption: CFLAGS already contains whatever optimization option including none) is
1807 # to be used.
1808 #
1810 AC_DEFUN([AC_WIRESHARK_GCC_FORTIFY_SOURCE_CHECK],
1811 [
1812 if test "x$GCC" = "xyes" -o "x$CC" = "xclang" ; then
1813 AC_MSG_CHECKING([whether -D_FORTIFY_SOURCE=... can be used (without generating a warning)])
1814 CFLAGS_saved="$CFLAGS"
1815 CPPFLAGS_saved="$CPPFLAGS"
1816 CFLAGS="$CFLAGS -Werror"
1817 CPPFLAGS="$CPPFLAGS -D_FORTIFY_SOURCE=2"
1818 AC_COMPILE_IFELSE([
1819 AC_LANG_SOURCE([[
1820 #include <stdio.h>
1821 int foo;
1822 ]])],
1823 [
1824 AC_MSG_RESULT(yes)
1825 #
1826 # (CPPFLAGS contains _D_FORTIFY_SOURCE=2)
1827 #
1828 ],
1829 [
1830 AC_MSG_RESULT(no)
1831 # Remove -D_FORTIFY_SOURCE=2
1832 CPPFLAGS="$CPPFLAGS_saved"
1833 ])
1834 CFLAGS="$CFLAGS_saved"
1835 fi
1836 ])
1838 #
1839 # AC_WIRESHARK_OSX_INTEGRATION_CHECK
1840 #
1841 # Checks for the presence of OS X integration functions in the GTK+ framework
1842 # or as a separate library.
1843 #
1844 # GTK+ for MAC OS X now lives on www.gtk.org at:
1845 #
1846 # http://www.gtk.org/download/macos.php
1847 #
1848 # Details on building with GTK-OSX are available at:
1849 #
1850 # http://live.gnome.org/GTK%2B/OSX/Building
1851 #
1852 # The GTK-OSX library has been renamed to gtkmacintegration.
1853 # It was previously named igemacintegration.
1854 #
1855 # http://live.gnome.org/GTK%2B/OSX/Integration
1856 # for the old Carbon-based integration functions
1857 #
1858 AC_DEFUN([AC_WIRESHARK_OSX_INTEGRATION_CHECK],
1859 [
1860 ac_save_CFLAGS="$CFLAGS"
1861 ac_save_LIBS="$LIBS"
1862 CFLAGS="$CFLAGS $GTK_CFLAGS"
1863 LIBS="$GTK_LIBS $LIBS"
1865 #
1866 # Check for the new integration functions in a -lgtkmacintegration
1867 # library.
1868 #
1869 AC_CHECK_LIB(gtkmacintegration, gtkosx_application_set_menu_bar,
1870 [
1871 AC_DEFINE(HAVE_GTKOSXAPPLICATION, 1,
1872 [Define to 1 if -lgtkmacintegration includes the GtkOSXApplication Integration functions.])
1873 have_ige_mac=yes
1874 # We don't want gtk stuff in LIBS (which is reset below) so
1875 # manually set GTK_LIBS (which is more appropriate)
1876 GTK_LIBS="$GTK_LIBS -lgtkmacintegration"
1877 ])
1879 if test x$have_ige_mac = x
1880 then
1881 #
1882 # Not found - check for the old integration functions in
1883 # the Gtk framework.
1884 #
1885 AC_CHECK_LIB(Gtk, gtk_mac_menu_set_menu_bar,
1886 [
1887 AC_DEFINE(HAVE_IGE_MAC_INTEGRATION, 1,
1888 [Define to 1 if the the Gtk+ framework or a separate library includes the Imendio IGE Mac OS X Integration functions.])
1889 have_ige_mac=yes
1890 # We don't want gtk stuff in LIBS (which is reset below) so
1891 # manually set GTK_LIBS (which is more appropriate)
1892 GTK_LIBS="$GTK_LIBS -lGtk"
1893 ])
1894 fi
1896 if test x$have_ige_mac = x
1897 then
1898 #
1899 # Not found - check for the old integration functions in
1900 # a -lgtkmacintegration library.
1901 #
1902 AC_CHECK_LIB(gtkmacintegration, gtk_mac_menu_set_menu_bar,
1903 [
1904 AC_DEFINE(HAVE_IGE_MAC_INTEGRATION, 1,
1905 [Define to 1 if the the Gtk+ framework or a separate library includes the Imendio IGE Mac OS X Integration functions.])
1906 have_ige_mac=yes
1907 # We don't want gtk stuff in LIBS (which is reset below) so
1908 # manually set GTK_LIBS (which is more appropriate)
1909 GTK_LIBS="$GTK_LIBS -lgtkmacintegration"
1910 ])
1911 fi
1912 CFLAGS="$ac_save_CFLAGS"
1913 LIBS="$ac_save_LIBS"
1914 ])
1916 # Based on AM_PATH_GTK in gtk-2.0.m4.
1918 dnl AC_WIRESHARK_QT_MODULE_CHECK([MODULE, MINIMUM-VERSION, [ACTION-IF-FOUND,
1919 dnl [ACTION-IF-NOT-FOUND]]])
1920 dnl Test for a particular Qt module and add the flags and libraries
1921 dnl for it to Qt_CFLAGS and Qt_LIBS.
1922 dnl
1923 AC_DEFUN([AC_WIRESHARK_QT_MODULE_CHECK],
1924 [
1925 #
1926 # Version of the module we're checking for.
1927 # Default to 4.0.0.
1928 #
1929 min_qt_version=ifelse([$2], ,4.0.0,$2)
1931 #
1932 # Prior to Qt 5, modules were named QtXXX.
1933 # In Qt 5, they're named Qt5XXX.
1934 #
1935 # Try the Qt 5 version first.
1936 # (And be prepared to add Qt6 at some point....)
1937 #
1938 for modprefix in Qt5 Qt
1939 do
1940 pkg_config_module="${modprefix}$1"
1941 AC_MSG_CHECKING(for $pkg_config_module - version >= $min_qt_version)
1942 if $PKG_CONFIG --atleast-version $min_qt_version $pkg_config_module; then
1943 mod_version=`$PKG_CONFIG --modversion $pkg_config_module`
1944 AC_MSG_RESULT(yes (version $mod_version))
1945 Qt_CFLAGS="$Qt_CFLAGS `$PKG_CONFIG --cflags $pkg_config_module`"
1946 Qt_LIBS="$Qt_LIBS `$PKG_CONFIG --libs $pkg_config_module`"
1947 found_$1=yes
1948 break
1949 else
1950 AC_MSG_RESULT(no)
1951 fi
1952 done
1954 if test "x$found_$1" = "xyes"; then
1955 # Run Action-If-Found
1956 ifelse([$3], , :, [$3])
1957 else
1958 # Run Action-If-Not-Found
1959 ifelse([$4], , :, [$4])
1960 fi
1961 ])
1963 dnl AC_WIRESHARK_QT_CHECK([MINIMUM-VERSION, [ACTION-IF-FOUND,
1964 dnl [ACTION-IF-NOT-FOUND]]])
1965 dnl Test for Qt and define Qt_CFLAGS and Qt_LIBS.
1966 dnl
1967 AC_DEFUN([AC_WIRESHARK_QT_CHECK],
1968 [
1969 no_qt=""
1971 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
1973 if test x$PKG_CONFIG != xno ; then
1974 if pkg-config --atleast-pkgconfig-version 0.7 ; then
1975 :
1976 else
1977 echo *** pkg-config too old; version 0.7 or better required.
1978 no_qt=yes
1979 PKG_CONFIG=no
1980 fi
1981 else
1982 no_qt=yes
1983 fi
1985 if test x"$no_qt" = x ; then
1986 #
1987 # OK, we have an adequate version of pkg-config.
1988 #
1989 # Check for the Core module; if we don't have that,
1990 # we don't have Qt.
1991 #
1992 AC_WIRESHARK_QT_MODULE_CHECK(Core, $1, , [no_qt=yes])
1993 fi
1995 if test x"$no_qt" = x ; then
1996 #
1997 # We need the Gui module as well.
1998 #
1999 AC_WIRESHARK_QT_MODULE_CHECK(Gui, $1, , [no_qt=yes])
2000 fi
2002 if test x"$no_qt" = x ; then
2003 #
2004 # Qt 5.0 appears to move the widgets out of Qt GUI
2005 # to Qt Widgets; look for the Widgets module, but
2006 # don't fail if we don't have it.
2007 #
2008 AC_WIRESHARK_QT_MODULE_CHECK(Widgets, $1)
2010 #
2011 # Qt 5.0 also appears to move the printing support into
2012 # the Qt PrintSupport module.
2013 #
2014 AC_WIRESHARK_QT_MODULE_CHECK(PrintSupport, $1)
2016 #
2017 # While we're at it, look for QtMacExtras. (Presumably
2018 # if we're not building for OS X, it won't be present.)
2019 #
2020 # XXX - is there anything in QtX11Extras or QtWinExtras
2021 # that we should be using?
2022 #
2023 AC_WIRESHARK_QT_MODULE_CHECK(MacExtras, $1,
2024 AC_DEFINE(QT_MACEXTRAS_LIB, 1, [Define if we have QtMacExtras]))
2026 AC_SUBST(Qt_LIBS)
2028 # Run Action-If-Found
2029 ifelse([$2], , :, [$2])
2030 else
2031 # Run Action-If-Not-Found
2032 ifelse([$3], , :, [$3])
2033 fi
2035 ])
2037 #
2038 # AC_WIRESHARK_PYTHON_CHECK
2039 #
2040 # Check whether python devel package is present
2041 #
2042 AC_DEFUN([AC_WIRESHARK_PYTHON_CHECK],
2043 [
2044 #
2045 # Checking whether we have a python devel environment available
2046 #
2047 # AC_CACHE_CHECK([checking python devel package], ac_cv_wireshark_python_devel,
2048 # [
2049 AC_CHECK_PROG([ac_ws_python_config], python-config, "yes", "no")
2050 if test "x$ac_ws_python_config" = "xno"; then
2051 ac_cv_wireshark_python_devel=no
2052 if test "x$want_python" = "xyes"
2053 then
2054 #
2055 # The user tried to force us to use Python, but we
2056 # couldn't find the python-config tool; report an error.
2057 #
2058 AC_MSG_ERROR("python-config not found")
2059 fi
2060 #
2061 # Set want_python to no, so we report that we aren't using
2062 # the Python interpreter.
2063 #
2064 want_python=no
2065 else
2066 AC_MSG_CHECKING([python devel])
2067 ac_save_ws_cflags=$CFLAGS
2068 ac_save_ws_libs=$LIBS
2069 CFLAGS=$(python-config --includes)
2070 LIBS=$(python-config --ldflags)
2071 AC_COMPILE_IFELSE(
2072 [
2073 AC_LANG_PROGRAM(
2074 [[#include <Python.h>]],
2075 [[Py_Initialiaze();]]
2076 )
2077 ],
2078 [
2079 #
2080 # Compilation successful, we have python devel available
2081 #
2082 ac_cv_wireshark_python_devel=yes
2083 PY_LIBS=$LIBS
2084 PY_CFLAGS=$CFLAGS
2085 AC_SUBST(PY_LIBS)
2086 AC_SUBST(PY_CFLAGS)
2087 CFLAGS="$ac_save_ws_cflags"
2088 LIBS="$ac_save_ws_libs"
2089 AC_DEFINE(HAVE_PYTHON, 1, [Define if python devel package available])
2090 AC_MSG_RESULT([yes])
2091 ],
2092 [
2093 #
2094 # Compilation unsuccessful, python devel not available
2095 #
2096 ac_cv_wireshark_python_devel=no
2097 CFLAGS=$ac_save_ws_cflags
2098 LIBS=$ac_save_ws_libs
2099 if test "x$want_python" = "xyes"
2100 then
2101 #
2102 # The user tried to force us to use Python, but we
2103 # couldn't compile the test program; report an error.
2104 #
2105 AC_MSG_ERROR("Python test program failed compilation")
2106 fi
2107 AC_MSG_RESULT([no])
2108 #
2109 # Set want_python to no, so we report that we aren't using
2110 # the Python interpreter.
2111 #
2112 want_python=no
2113 ])
2114 fi
2115 # ])
2116 ])
2118 #
2119 # AC_WIRESHARK_CLANG_CHECK
2120 #
2121 # Check if either our C or C++ compiler is Clang
2122 #
2123 AC_DEFUN([AC_WIRESHARK_CLANG_CHECK], [
2125 AC_MSG_CHECKING(if $CC is Clang)
2126 AC_COMPILE_IFELSE([
2127 AC_LANG_SOURCE([[
2128 #ifndef __clang__
2129 CC is not __clang__
2130 #endif
2131 ]])],
2132 [
2133 CC_IS_CLANG='yes'
2134 CFLAGS="$CFLAGS -Qunused-arguments"
2135 ],
2136 CC_IS_CLANG='no'
2137 )
2138 AC_MSG_RESULT("$CC_IS_CLANG")
2140 AC_MSG_CHECKING(if $CXX is Clang)
2141 AC_LANG_PUSH([C++])
2142 AC_COMPILE_IFELSE([
2143 AC_LANG_SOURCE([[
2144 #ifndef __clang__
2145 CXX is not __clang__
2146 #endif
2147 ]])],
2148 [
2149 CXX_IS_CLANG='yes'
2150 CXXFLAGS="$CXXFLAGS -Qunused-arguments"
2151 ],
2152 CXX_IS_CLANG='no'
2153 )
2154 AC_LANG_POP([C++])
2155 AC_MSG_RESULT("$CXX_IS_CLANG")
2157 ])