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.
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.
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.
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
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.
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.
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.
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.
54 # AC_WIRESHARK_ADD_DASH_L
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.
60 # XXX - IRIX, and other OSes, may require some flag equivalent to
63 AC_DEFUN([AC_WIRESHARK_ADD_DASH_L],
73 # AC_WIRESHARK_TIMEZONE_ABBREV
76 AC_DEFUN([AC_WIRESHARK_TIMEZONE_ABBREV],
78 AC_CACHE_CHECK([for tm_zone in struct tm],
79 ac_cv_wireshark_have_tm_zone,
83 [struct tm t; t.tm_zone;],
84 ac_cv_wireshark_have_tm_zone=yes,
85 ac_cv_wireshark_have_tm_zone=no)
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])
90 AC_CACHE_CHECK([for tzname],
91 ac_cv_wireshark_have_tzname,
96 [printf("%s", tzname[0]);],
97 ac_cv_wireshark_have_tzname=yes,
98 ac_cv_wireshark_have_tzname=no)
100 if test $ac_cv_wireshark_have_tzname = yes; then
101 AC_DEFINE(HAVE_TZNAME, 1, [Define if tzname array exists])
108 # AC_WIRESHARK_STRUCT_ST_FLAGS
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])
130 # AC_WIRESHARK_STRUCT_SA_LEN
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 $ac_cv_wireshark_struct_sa_len = yes; then
147 AC_DEFINE(HAVE_SA_LEN, 1, [Define if sa_len field exists in struct sockaddr])
153 # AC_WIRESHARK_IPV6_STACK
155 # By Jun-ichiro "itojun" Hagino, <itojun@iijlab.net>
157 AC_DEFUN([AC_WIRESHARK_IPV6_STACK],
162 AC_MSG_CHECKING([ipv6 stack type])
163 for i in v6d toshiba kame inria zeta linux linux-glibc solaris; do
167 #include </usr/local/v6/include/sys/types.h>
171 [v6type=$i; v6lib=v6;
172 v6libdir=/usr/local/v6/lib;
173 CPPFLAGS="-I/usr/local/v6/include $CPPFLAGS"])
177 #include <sys/param.h>
178 #ifdef _TOSHIBA_INET6
181 [v6type=$i; v6lib=inet6;
182 v6libdir=/usr/local/v6/lib;
183 CPPFLAGS="-DINET6 $CPPFLAGS"])
187 #include <netinet/in.h>
191 [v6type=$i; v6lib=inet6;
192 v6libdir=/usr/local/v6/lib;
193 CPPFLAGS="-DINET6 $CPPFLAGS"])
197 #include <netinet/in.h>
198 #ifdef IPV6_INRIA_VERSION
201 [v6type=$i; CPPFLAGS="-DINET6 $CPPFLAGS"])
205 #include <sys/param.h>
206 #ifdef _ZETA_MINAMI_INET6
209 [v6type=$i; v6lib=inet6;
210 v6libdir=/usr/local/v6/lib;
211 CPPFLAGS="-DINET6 $CPPFLAGS"])
214 if test -d /usr/inet6; then
218 CPPFLAGS="-DINET6 $CPPFLAGS"
223 #include <features.h>
224 #if defined(__GLIBC__) && defined(__GLIBC_MINOR__)
225 #if (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 1) || __GLIBC__ > 2
229 [v6type=$i; v6lib=inet6; CPPFLAGS="-DINET6 $CPPFLAGS"])
232 if test "`uname -s`" = "SunOS"; then
235 [CPPFLAGS="-DINET6 $CPPFLAGS"]
239 if test "$v6type" != "unknown"; then
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"
255 AC_MSG_RESULT(["$v6type, $v6lib"])
259 # AC_WIRESHARK_GETHOSTBY_LIB_CHECK
261 # Checks whether we need "-lnsl" to get "gethostby*()", which we use
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.
268 AC_DEFUN([AC_WIRESHARK_GETHOSTBY_LIB_CHECK],
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)
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"))
282 # AC_WIRESHARK_SOCKET_LIB_CHECK
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).
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.
293 # We use "connect" because that's what AC_PATH_XTRA did.
295 AC_DEFUN([AC_WIRESHARK_SOCKET_LIB_CHECK],
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.), $NSL_LIBS))
307 AC_SUBST(SOCKET_LIBS)
311 # AC_WIRESHARK_BREAKLOOP_TRY_LINK
313 AC_DEFUN([AC_WIRESHARK_PCAP_BREAKLOOP_TRY_LINK],
329 ws_breakloop_compiled=yes
332 ws_breakloop_compiled=no
339 # AC_WIRESHARK_PCAP_CHECK
341 AC_DEFUN([AC_WIRESHARK_PCAP_CHECK],
343 if test -z "$pcap_dir"
346 # XXX need to set a var AC_CHECK_HEADER(pcap.h,,)
349 # The user didn't specify a directory in which libpcap resides.
350 # First, look for a pcap-config script.
352 AC_PATH_PROG(PCAP_CONFIG, pcap-config)
354 if test -n "$PCAP_CONFIG" ; then
358 # Now check whether it's the libpcap 1.0 version, which
359 # put a space after "-L" - on some platforms, that doesn't
362 AC_MSG_CHECKING(for broken pcap-config)
363 case "`\"$PCAP_CONFIG\" --libs`" in
367 # Space after -L. Pretend pcap-config doesn't exist.
381 if test -n "$PCAP_CONFIG" ; then
383 # Found it, and it's usable; use it to get the include flags
386 CPPFLAGS="$CPPFLAGS `\"$PCAP_CONFIG\" --cflags`"
389 # Didn't find it; we have to look for libpcap ourselves.
390 # We assume that the current library search path will work,
391 # but we may have to look for the header in a "pcap"
392 # subdirectory of "/usr/include" or "/usr/local/include",
393 # as some systems apparently put "pcap.h" in a "pcap"
394 # subdirectory, and we also check "$prefix/include" - and
395 # "$prefix/include/pcap", in case $prefix is set to
396 # "/usr/include" or "/usr/local/include".
398 # XXX - should we just add "$prefix/include" to the include
399 # search path and "$prefix/lib" to the library search path?
401 AC_MSG_CHECKING(for extraneous pcap header directories)
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"
407 for pcap_dir in $pcap_dir_list
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"
413 found_pcap_dir=" $found_pcap_dir -I$pcap_dir"
418 if test "$found_pcap_dir" != "" ; then
419 AC_MSG_RESULT(found --$found_pcap_dir added to CFLAGS)
421 AC_MSG_RESULT(not found)
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.
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.
437 CPPFLAGS="$CPPFLAGS -I$pcap_dir/include"
438 AC_WIRESHARK_ADD_DASH_L(LDFLAGS, $pcap_dir/lib)
442 AC_CHECK_HEADER(pcap.h,,
443 AC_MSG_ERROR([[Header file pcap.h not found; if you installed libpcap
444 from source, did you also do \"make install-incl\", and if you installed a
445 binary package of libpcap, is there also a developer's package of libpcap,
446 and did you also install that package?]]))
448 if test -n "$PCAP_CONFIG" ; then
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.
454 if test x$enable_static = xyes; then
455 PCAP_LIBS="`\"$PCAP_CONFIG\" --libs --static`"
457 PCAP_LIBS="`\"$PCAP_CONFIG\" --libs`"
459 AC_DEFINE(HAVE_LIBPCAP, 1, [Define to use libpcap library])
462 # Check to see if we find "pcap_open_live" in "-lpcap".
463 # Also check for various additional libraries that libpcap might
466 AC_CHECK_LIB(pcap, pcap_open_live,
469 AC_DEFINE(HAVE_LIBPCAP, 1, [Define to use libpcap library])
471 ac_wireshark_extras_found=no
473 for extras in "-lcfg -lodm" "-lpfring"
475 AC_MSG_CHECKING([for pcap_open_live in -lpcap with $extras])
476 LIBS="-lpcap $extras"
478 # XXX - can't we use AC_CHECK_LIB here?
485 pcap_open_live(NULL, 0, 0, 0, NULL);
488 ac_wireshark_extras_found=yes
490 PCAP_LIBS="-lpcap $extras"
491 AC_DEFINE(HAVE_LIBPCAP, 1, [Define to use libpcap library])
496 if test x$ac_wireshark_extras_found = xyes
501 if test x$ac_wireshark_extras_found = xno
503 AC_MSG_ERROR([Can't link with library libpcap.])
506 ], $SOCKET_LIBS $NSL_LIBS)
511 # Check whether various variables and functions are defined by
515 LIBS="$PCAP_LIBS $SOCKET_LIBS $NSL_LIBS $LIBS"
516 AC_CHECK_FUNCS(pcap_open_dead pcap_freecode)
518 # pcap_breakloop may be present in the library but not declared
519 # in the pcap.h header file. If it's not declared in the header
520 # file, attempts to use it will get warnings, and, if we're
521 # building with warnings treated as errors, that warning will
522 # cause compilation to fail.
524 # We are therefore first testing whether the function is present
525 # and then, if we're compiling with warnings as errors, testing
526 # whether it is usable. It is usable if it compiles without
527 # a -Wimplicit warning (the "compile with warnings as errors"
528 # option requires GCC). If it is not usable, we fail and tell
529 # the user that the pcap.h header needs to be updated.
531 # Ceteris paribus, this should only happen with Mac OS X 10.3[.x] which
532 # can have an up-to-date pcap library without the corresponding pcap
535 # However, it might also happen on some others OSes with some erroneous
536 # system manipulations where multiple versions of libpcap might co-exist
537 # e.g. hand made symbolic link from libpcap.so -> libpcap.so.0.8 but
538 # having the pcap header version 0.7.
540 AC_MSG_CHECKING([whether pcap_breakloop is present])
541 ac_CFLAGS_saved="$CFLAGS"
542 AC_WIRESHARK_PCAP_BREAKLOOP_TRY_LINK
543 if test "x$ws_breakloop_compiled" = "xyes"; then
545 AC_DEFINE(HAVE_PCAP_BREAKLOOP, 1, [Define if pcap_breakloop is known])
546 if test "x$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
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.])
561 CFLAGS="$ac_CFLAGS_saved"
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()".
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.
578 # (You can work around this by installing the 0.8 header
581 AC_CACHE_CHECK([whether pcap_findalldevs is present and usable],
582 [ac_cv_func_pcap_findalldevs],
591 pcap_if_t *devpointer;
594 pcap_findalldevs(&devpointer, errbuf);
599 ac_cv_func_pcap_findalldevs=yes
602 ac_cv_func_pcap_findalldevs=no
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.
611 if test $ac_cv_func_pcap_findalldevs = "yes" ; then
612 AC_DEFINE(HAVE_PCAP_FINDALLDEVS, 1,
613 [Define to 1 if you have the `pcap_findalldevs' function and a pcap.h that declares pcap_if_t.])
614 AC_CHECK_FUNCS(pcap_datalink_val_to_name pcap_datalink_name_to_val)
615 AC_CHECK_FUNCS(pcap_datalink_val_to_description)
616 AC_CHECK_FUNCS(pcap_list_datalinks pcap_set_datalink pcap_lib_version)
617 AC_CHECK_FUNCS(pcap_get_selectable_fd pcap_free_datalinks)
618 AC_CHECK_FUNCS(pcap_create bpf_image)
623 AC_DEFUN([AC_WIRESHARK_PCAP_REMOTE_CHECK],
626 LIBS="$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 $ac_cv_func_pcap_createsrcstr = "yes" ; then
633 AC_DEFINE(HAVE_PCAP_REMOTE, 1,
634 [Define to 1 if you have WinPcap remote capturing support and prefer to use these new API features.])
636 AC_CHECK_FUNCS(pcap_setsampling)
641 # AC_WIRESHARK_ZLIB_CHECK
643 AC_DEFUN([AC_WIRESHARK_ZLIB_CHECK],
645 if test "x$zlib_dir" != "x"
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.
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.
659 wireshark_save_CPPFLAGS="$CPPFLAGS"
660 CPPFLAGS="$CPPFLAGS -I$zlib_dir/include"
661 wireshark_save_LIBS="$LIBS"
662 AC_WIRESHARK_ADD_DASH_L(LIBS, $zlib_dir/lib)
666 # Make sure we have "zlib.h". If we don't, it means we probably
667 # don't have zlib, so don't use it.
669 AC_CHECK_HEADER(zlib.h,,
671 if test "x$zlib_dir" != "x"
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.
680 AC_MSG_ERROR([zlib header not found in directory specified in --with-zlib])
682 if test "x$want_zlib" = "xyes"
685 # The user tried to force us to use the library, but we
686 # couldn't find the header file; report an error.
688 AC_MSG_ERROR(Header file zlib.h not found.)
691 # We couldn't find the header file; don't use the
692 # library, as it's probably not present.
699 if test "x$want_zlib" != "xno"
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
707 if test "x$zlib_dir" != "x"
710 # Put the "-L" flags for zlib at the beginning
714 AC_WIRESHARK_ADD_DASH_L(LIBS, $zlib_dir/lib)
715 LIBS="$LIBS -lz $wireshark_save_LIBS"
719 AC_DEFINE(HAVE_LIBZ, 1, [Define to use libz library])
722 # Check for "inflatePrime()" in zlib, which we need
723 # in order to read compressed capture files.
725 AC_CHECK_FUNCS(inflatePrime)
727 if test "x$ac_cv_func_inflatePrime" = "xyes" ; then
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.
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.
744 AC_MSG_CHECKING([for inflatePrime missing when linking with X11])
745 AC_TRY_LINK_FUNC(inflatePrime, AC_MSG_RESULT(no),
748 AC_MSG_ERROR(old zlib found when linking with X11 - get rid of old zlib.)
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.
757 CPPFLAGS="$wireshark_save_CPPFLAGS"
758 LIBS="$wireshark_save_LIBS"
764 # AC_WIRESHARK_LIBLUA_CHECK
766 AC_DEFUN([AC_WIRESHARK_LIBLUA_CHECK],[
768 if test "x$lua_dir" != "x"
771 # The user specified a directory in which liblua resides,
772 # so add the "include" subdirectory of that directory to
773 # the include file search path and the "lib" subdirectory
774 # of that directory to the library search path.
776 # XXX - if there's also a liblua in a directory that's
777 # already in CPPFLAGS or LDFLAGS, this won't make us find
778 # the version in the specified directory, as the compiler
779 # and/or linker will search that other directory before it
780 # searches the specified directory.
782 wireshark_save_CPPFLAGS="$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"
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.
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 ${lua_ver})
799 # The user specified no directory in which liblua resides,
800 # we try to find out the lua version by looking at pathnames
801 # and we just add "-llua -lliblua" to the used libs.
803 AC_MSG_CHECKING(Lua version)
806 [[ -d "/usr/include/lua$i" ]] && lua_ver=$i
808 AC_MSG_RESULT(Lua ${lua_ver})
809 wireshark_save_CPPFLAGS="$CPPFLAGS"
810 wireshark_save_LDFLAGS="$LDFLAGS"
811 wireshark_save_LIBS="$LIBS"
812 LIBS="$LIBS -llua -lm"
816 # Make sure we have "lua.h", "lualib.h" and "lauxlib.h". If we don't, it means we probably
817 # don't have liblua, so don't use it.
819 AC_CHECK_HEADERS(lua.h lualib.h lauxlib.h,,
821 AC_CHECK_HEADERS(lua${lua_ver}/lua.h lua${lua_ver}/lualib.h lua${lua_ver}/lauxlib.h,
823 if test "x$lua_dir" != "x"
825 LUA_INCLUDES="-I$lua_dir/include/lua${lua_ver}"
828 # The user didn't specify a directory in which liblua resides;
829 # we must look for the headers in a "lua${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}"
833 AC_MSG_CHECKING(for extraneous lua header directories)
835 lua_dir_list="/usr/include/lua${lua_ver} $prefix/include/lua${lua_ver}"
836 if test "x$ac_cv_enable_usr_local" = "xyes"
838 lua_dir_list="$lua_dir_list /usr/local/include/lua${lua_ver}"
840 for lua_dir_ent in $lua_dir_list
842 if test -d $lua_dir_ent
844 LUA_INCLUDES="-I$lua_dir_ent"
845 found_lua_dir="$lua_dir_ent"
850 if test "x$found_lua_dir" != "x"
852 AC_MSG_RESULT(found -- $found_lua_dir)
854 AC_MSG_RESULT(not found)
856 # Restore the versions of CPPFLAGS,
857 # LDFLAGS, and LIBS before we added the
858 # "--with-lua=" directory, as we didn't
859 # actually find lua there.
861 CPPFLAGS="$wireshark_save_CPPFLAGS"
862 LDFLAGS="$wireshark_save_LDFLAGS"
863 LIBS="$wireshark_save_LIBS"
865 if test "x$want_lua" = "xyes"
867 # we found lua${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${lua_ver}/lua.h but we can't locate the include directory. Please set the DIR for the --with-lua configure parameter.)
871 # We couldn't find the header file; don't use the
872 # library, as it's probably not present.
881 # Restore the versions of CPPFLAGS, LDFLAGS,
882 # and LIBS before we added the "--with-lua="
883 # directory, as we didn't actually find lua
886 CPPFLAGS="$wireshark_save_CPPFLAGS"
887 LDFLAGS="$wireshark_save_LDFLAGS"
888 LIBS="$wireshark_save_LIBS"
890 if test "x$lua_dir" != "x"
893 # The user used "--with-lua=" to specify a directory
894 # containing liblua, but we didn't find the header file
895 # there; that either means they didn't specify the
896 # right directory or are confused about whether liblua
897 # is, in fact, installed. Report the error and give up.
899 AC_MSG_ERROR([liblua header not found in directory specified in --with-lua])
901 if test "x$want_lua" = "xyes"
904 # The user tried to force us to use the library, but we
905 # couldn't find the header file; report an error.
907 AC_MSG_ERROR(Header file lua.h not found.)
910 # We couldn't find the header file; don't use the
911 # library, as it's probably not present.
919 if test "x$want_lua" != "xno"
922 # Well, we at least have the lua header file.
924 # let's check if the libs are there
927 # At least on Suse 9.3 systems, liblualib needs linking
929 LIBS="$LIBS $LUA_LIBS -lm"
931 AC_CHECK_LIB(lua, luaL_openlibs,
936 if test "x$lua_dir" != "x"
939 # Put the "-I" and "-L" flags for lua into
940 # LUA_INCLUDES and LUA_LIBS, respectively.
942 LUA_LIBS="-L$lua_dir/lib -llua -lm"
943 LUA_INCLUDES="-I$lua_dir/include"
948 AC_DEFINE(HAVE_LUA, 1, [Define to use Lua])
953 # We could not find the libs, maybe we have version number in the lib name
956 LIBS="$wireshark_save_LIBS -llua${lua_ver} -lm"
958 AC_CHECK_LIB(lua${lua_ver}, luaL_openlibs,
963 LUA_LIBS=" -llua${lua_ver} -lm"
964 AC_DEFINE(HAVE_LUA, 1, [Define to use Lua])
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
973 CPPFLAGS="$wireshark_save_CPPFLAGS"
974 LDFLAGS="$wireshark_save_LDFLAGS"
975 LIBS="$wireshark_save_LIBS"
977 # User requested --with-lua but it isn't available
978 if test "x$want_lua" = "xyes"
980 AC_MSG_ERROR(Linking with liblua failed.)
986 CPPFLAGS="$wireshark_save_CPPFLAGS"
987 LDFLAGS="$wireshark_save_LDFLAGS"
988 LIBS="$wireshark_save_LIBS"
990 AC_SUBST(LUA_INCLUDES)
996 # AC_WIRESHARK_LIBPORTAUDIO_CHECK
998 AC_DEFUN([AC_WIRESHARK_LIBPORTAUDIO_CHECK],[
1000 if test "x$portaudio_dir" != "x"
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.
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.
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$portaudio_dir/lib"
1022 # The user specified no directory in which libportaudio resides,
1023 # so just add "-lportaudio" to the used libs.
1025 wireshark_save_CPPFLAGS="$CPPFLAGS"
1026 wireshark_save_LDFLAGS="$LDFLAGS"
1027 wireshark_save_LIBS="$LIBS"
1028 LIBS="$LIBS -lportaudio"
1032 # Make sure we have "portaudio.h". If we don't, it means we probably
1033 # don't have libportaudio, so don't use it.
1035 AC_CHECK_HEADERS(portaudio.h,,
1037 if test "x$portaudio_dir" != "x"
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.
1046 AC_MSG_ERROR([libportaudio header not found in directory specified in --with-portaudio])
1048 CPPFLAGS="$wireshark_save_CPPFLAGS"
1049 LDFLAGS="$wireshark_save_LDFLAGS"
1050 LIBS="$wireshark_save_LIBS"
1052 if test "x$want_portaudio" = "xyes"
1055 # The user tried to force us to use the library, but we
1056 # couldn't find the header file; report an error.
1058 AC_MSG_ERROR(Header file portaudio.h not found.)
1061 # We couldn't find the header file; don't use the
1062 # library, as it's probably not present.
1070 # Check whether we have the right version of portaudio
1072 if test "x$want_portaudio" != "xno"
1074 AC_CHECK_TYPE(PortAudioStream,
1075 AC_DEFINE(PORTAUDIO_API_1, 1, [Define if we are using version of of the Portaudio library API]),
1077 [#include <portaudio.h>])
1080 if test "x$want_portaudio" != "xno"
1083 # Well, we at least have the portaudio header file.
1085 # let's check if the libs are there
1088 AC_CHECK_LIB(portaudio, Pa_Initialize,
1090 if test "x$portaudio_dir" != "x"
1093 # Put the "-I" and "-L" flags for portaudio
1094 # into PORTAUDIO_INCLUDES and PORTAUDIO_LIBS,
1097 PORTAUDIO_LIBS="-L$portaudio_dir/lib -lportaudio"
1098 PORTAUDIO_INCLUDES="-I$portaudio_dir/include"
1100 PORTAUDIO_LIBS="-lportaudio"
1101 PORTAUDIO_INCLUDES=""
1103 AC_DEFINE(HAVE_LIBPORTAUDIO, 1, [Define to use libportaudio library])
1107 # Restore the versions of CPPFLAGS, LDFLAGS, and
1108 # LIBS before we added the "--with-portaudio="
1109 # directory, as we didn't actually find portaudio
1112 CPPFLAGS="$wireshark_save_CPPFLAGS"
1113 LDFLAGS="$wireshark_save_LDFLAGS"
1114 LIBS="$wireshark_save_LIBS"
1116 # User requested --with-portaudio but it isn't available
1117 if test "x$want_portaudio" = "xyes"
1119 AC_MSG_ERROR(Linking with libportaudio failed.)
1124 CPPFLAGS="$wireshark_save_CPPFLAGS"
1125 LDFLAGS="$wireshark_save_LDFLAGS"
1126 LIBS="$wireshark_save_LIBS"
1127 AC_SUBST(PORTAUDIO_LIBS)
1128 AC_SUBST(PORTAUDIO_INCLUDES)
1134 # AC_WIRESHARK_RPM_CHECK
1135 # Looks for the rpm program, and checks to see if we can redefine "_topdir".
1137 AC_DEFUN([AC_WIRESHARK_RPM_CHECK],
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 $? -eq 0 ; then
1147 AC_MSG_RESULT(no. You'll have to build packages manually.)
1154 # AC_WIRESHARK_GNU_SED_CHECK
1155 # Checks if GNU sed is the first sed in PATH.
1157 AC_DEFUN([AC_WIRESHARK_GNU_SED_CHECK],
1159 AC_MSG_CHECKING(for GNU sed as first sed in PATH)
1160 if ( sh -c "sed --version" </dev/null 2> /dev/null | grep "GNU sed" 2>&1 > /dev/null ) ; then
1170 # AC_WIRESHARK_C_ARES_CHECK
1172 AC_DEFUN([AC_WIRESHARK_C_ARES_CHECK],
1174 want_c_ares=defaultyes
1176 if test "x$want_c_ares" = "xdefaultyes"; then
1178 if test "x$ac_cv_enable_usr_local" = "xyes" ; then
1180 if test -d "$withval"; then
1181 AC_WIRESHARK_ADD_DASH_L(LDFLAGS, ${withval}/lib)
1186 if test "x$want_c_ares" = "xyes"; then
1187 AC_CHECK_LIB(cares, ares_init,
1190 AC_DEFINE(HAVE_C_ARES, 1, [Define to use c-ares library])
1191 have_good_c_ares=yes
1192 ],, $SOCKET_LIBS $NSL_LIBS
1195 AC_MSG_RESULT(not required)
1201 # AC_WIRESHARK_ADNS_CHECK
1203 AC_DEFUN([AC_WIRESHARK_ADNS_CHECK],
1205 want_adns=defaultyes
1207 if test "x$want_adns" = "xdefaultyes"; then
1209 if test "x$ac_cv_enable_usr_local" = "xyes" ; then
1211 if test -d "$withval"; then
1212 AC_WIRESHARK_ADD_DASH_L(LDFLAGS, ${withval}/lib)
1217 if test "x$want_adns" = "xyes"; then
1218 AC_CHECK_LIB(adns, adns_init,
1221 AC_DEFINE(HAVE_GNU_ADNS, 1, [Define to use GNU ADNS library])
1223 ],, $SOCKET_LIBS $NSL_LIBS
1226 AC_MSG_RESULT(not required)
1232 # AC_WIRESHARK_LIBCAP_CHECK
1234 AC_DEFUN([AC_WIRESHARK_LIBCAP_CHECK],
1236 want_libcap=defaultyes
1238 if test "x$want_libcap" = "xdefaultyes"; then
1240 if test "x$ac_cv_enable_usr_local" = "xyes" ; then
1242 if test -d "$withval"; then
1243 AC_WIRESHARK_ADD_DASH_L(LDFLAGS, ${withval}/lib)
1248 if test "x$want_libcap" = "xyes"; then
1249 AC_CHECK_LIB(cap, cap_set_flag,
1252 AC_DEFINE(HAVE_LIBCAP, 1, [Define to use the libcap library])
1253 have_good_libcap=yes
1257 AC_MSG_RESULT(not required)
1263 # AC_WIRESHARK_KRB5_CHECK
1265 AC_DEFUN([AC_WIRESHARK_KRB5_CHECK],
1267 wireshark_save_CPPFLAGS="$CPPFLAGS"
1268 if test "x$krb5_dir" != "x"
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.
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.
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"
1290 KRB5_LIBS="-L$krb5_dir/lib -lkrb5 -lasn1 $SSL_LIBS -lroken -lcrypt"
1292 KRB5_LIBS="-L$krb5_dir/lib -lkrb5 -lk5crypto -lcom_err"
1294 if test "x$ac_krb5_version" = "xMIT"
1296 AC_DEFINE(HAVE_MIT_KERBEROS, 1, [Define to use MIT kerberos])
1299 AC_PATH_PROG(KRB5_CONFIG, krb5-config)
1300 if test -x "$KRB5_CONFIG"
1302 KRB5_FLAGS=`"$KRB5_CONFIG" --cflags`
1303 KRB5_LIBS=`"$KRB5_CONFIG" --libs`
1304 CPPFLAGS="$CPPFLAGS $KRB5_FLAGS"
1306 # If -lcrypto is in KRB5_FLAGS, we require it to build
1307 # with Heimdal/MIT. We don't want to built with it by
1308 # default, due to annoying license incompatibilities
1309 # between the OpenSSL license and the GPL, so:
1311 # if SSL_LIBS is set to a non-empty string, we
1312 # remove -lcrypto from KRB5_LIBS and replace
1315 # if SSL_LIBS is not set to a non-empty string
1316 # we fail with an appropriate error message.
1318 case "$KRB5_LIBS" in
1320 if test ! -z "$SSL_LIBS"
1322 KRB5_LIBS=`echo $KRB5_LIBS | sed 's/-lcrypto//'`
1323 KRB5_LIBS="$KRB5_LIBS $SSL_LIBS"
1325 AC_MSG_ERROR([Kerberos library requires -lcrypto, so you must specify --with-ssl])
1329 ac_krb5_version=`"$KRB5_CONFIG" --version | head -n 1 | sed -e 's/^.*heimdal.*$/HEIMDAL/' -e 's/^Kerberos .*$/MIT/' -e 's/^Solaris Kerberos .*$/MIT/'`
1334 # Make sure we have "krb5.h". If we don't, it means we probably
1335 # don't have kerberos, so don't use it.
1337 AC_CHECK_HEADER(krb5.h,,
1339 if test "x$krb5_dir" != "x"
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.
1348 AC_MSG_ERROR([kerberos header not found in directory specified in --with-krb5])
1350 if test "x$want_krb5" = "xyes"
1353 # The user tried to force us to use the library, but we
1354 # couldn't find the header file; report an error.
1356 AC_MSG_ERROR(Header file krb5.h not found.)
1359 # We couldn't find the header file; don't use the
1360 # library, as it's probably not present.
1363 AC_MSG_RESULT(No Heimdal or MIT header found - disabling dissection for some kerberos data in packet decoding)
1368 if test "x$want_krb5" != "xno"
1371 # Well, we at least have the krb5 header file.
1372 # Check whether this is Heimdal or MIT.
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"
1379 # Check whether we have krb5_kt_resolve - and whether
1380 # we need to link with -lresolv when linking with
1381 # the Kerberos library.
1383 AC_MSG_RESULT($ac_krb5_version)
1384 wireshark_save_LIBS="$LIBS"
1385 found_krb5_kt_resolve=no
1386 for extras in "" "-lresolv"
1388 LIBS="$KRB5_LIBS $extras"
1389 if test -z "$extras"
1391 AC_MSG_CHECKING([whether $ac_krb5_version includes krb5_kt_resolve])
1393 AC_MSG_CHECKING([whether $ac_krb5_version includes krb5_kt_resolve (linking with $extras)])
1403 # We found "krb5_kt_resolve()", and required
1404 # the libraries in extras as well.
1408 AC_DEFINE(HAVE_KERBEROS, 1, [Define to use kerberos])
1409 if test "x$ac_krb5_version" = "xHEIMDAL"
1411 AC_DEFINE(HAVE_HEIMDAL_KERBEROS, 1, [Define to use heimdal kerberos])
1412 elif test "x$ac_krb5_version" = "xMIT"
1414 AC_DEFINE(HAVE_MIT_KERBEROS, 1, [Define to use MIT kerberos])
1416 found_krb5_kt_resolve=yes
1423 if test "$found_krb5_kt_resolve" = no
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.
1430 if test "x$want_krb5" = "xyes"
1433 # The user tried to force us to use the library,
1434 # but we can't do so; report an error.
1436 AC_MSG_ERROR(Usable $ac_krb5_version not found)
1439 # Restore the versions of CPPFLAGS from before we
1440 # added the flags for Kerberos.
1442 AC_MSG_RESULT(Usable $ac_krb5_version not found - disabling dissection for some kerberos data in packet decoding)
1443 CPPFLAGS="$wireshark_save_CPPFLAGS"
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).
1453 AC_MSG_CHECKING([whether krb5.h defines KEYTYPE_ARCFOUR_56])
1463 printf("%u\n", KEYTYPE_ARCFOUR_56);
1469 AC_DEFINE(HAVE_KEYTYPE_ARCFOUR_56, 1, [Define if krb5.h defines KEYTYPE_ARCFOUR_56])
1475 LIBS="$wireshark_save_LIBS"
1478 # It's not Heimdal or MIT.
1481 if test "x$want_krb5" = "xyes"
1484 # The user tried to force us to use the library,
1485 # but we can't do so; report an error.
1487 AC_MSG_ERROR(Kerberos not found)
1490 # Restore the versions of CPPFLAGS from before we
1491 # added the flags for Kerberos.
1493 AC_MSG_RESULT(Kerberos not found - disabling dissection for some kerberos data in packet decoding)
1494 CPPFLAGS="$wireshark_save_CPPFLAGS"
1501 # The user asked us not to use Kerberos, or they didn't
1502 # say whether they wanted us to use it but we found
1505 # Restore the versions of CPPFLAGS from before we added
1506 # the flags for Kerberos.
1508 CPPFLAGS="$wireshark_save_CPPFLAGS"
1516 # AC_WIRESHARK_GEOIP_CHECK
1518 AC_DEFUN([AC_WIRESHARK_GEOIP_CHECK],
1520 want_geoip=defaultyes
1522 if test "x$want_geoip" = "xdefaultyes"; then
1524 if test "x$ac_cv_enable_usr_local" = "xyes" ; then
1526 if test -d "$withval"; then
1527 AC_WIRESHARK_ADD_DASH_L(LDFLAGS, ${withval}/lib)
1532 if test "x$want_geoip" = "xyes"; then
1533 AC_CHECK_LIB(GeoIP, GeoIP_new,
1536 AC_DEFINE(HAVE_GEOIP, 1, [Define to use GeoIP library])
1540 if test "x$have_good_geoip" = "xyes"; then
1541 AC_CHECK_LIB(GeoIP, GeoIP_country_name_by_ipnum_v6,
1543 AC_DEFINE(HAVE_GEOIP_V6, 1, [Define if GeoIP supports IPv6 (GeoIP 1.4.5 and later)])
1548 AC_MSG_RESULT(not required)
1552 #AC_WIRESHARK_LDFLAGS_CHECK
1554 # $1 : ldflag(s) to test
1556 # We attempt to compile and link a test program with the specified linker
1557 # flag. The defined flag is added to LDFLAGS only if the link succeeds.
1559 AC_DEFUN([AC_WIRESHARK_LDFLAGS_CHECK],
1561 AC_MSG_CHECKING(whether we can add $LD_OPTION to LDFLAGS)
1562 LDFLAGS_saved="$LDFLAGS"
1563 LDFLAGS="$LDFLAGS $LD_OPTION"
1566 AC_LANG_SOURCE([[main() { return; }]])
1573 LDFLAGS="$LDFLAGS_saved"
1578 dnl Check whether, if you pass an unknown warning option to the
1579 dnl compiler, it fails or just prints a warning message and succeeds.
1580 dnl Set ac_wireshark_unknown_warning_option_error to the appropriate flag
1581 dnl to force an error if it would otherwise just print a warning message
1584 AC_DEFUN([AC_WIRESHARK_CHECK_UNKNOWN_WARNING_OPTION_ERROR],
1586 AC_MSG_CHECKING([whether the compiler fails when given an unknown warning option])
1587 save_CFLAGS="$CFLAGS"
1588 CFLAGS="$CFLAGS -Wxyzzy-this-will-never-succeed-xyzzy"
1593 AC_MSG_RESULT([no, adding -Werror=unknown-warning-option])
1595 # We're assuming this is clang, where
1596 # -Werror=unknown-warning-option is the appropriate
1597 # option to force the compiler to fail.
1599 ac_wireshark_unknown_warning_option_error="-Werror=unknown-warning-option"
1602 AC_MSG_RESULT([yes])
1604 CFLAGS="$save_CFLAGS"
1608 dnl Check whether, if you pass a valid-for-C-but-not-C++ option to the
1609 dnl compiler, it fails or just prints a warning message and succeeds.
1610 dnl Set ac_wireshark_non_cxx_warning_option_error to the appropriate flag
1611 dnl to force an error if it would otherwise just print a warning message
1614 AC_DEFUN([AC_WIRESHARK_CHECK_NON_CXX_WARNING_OPTION_ERROR],
1616 AC_MSG_CHECKING([whether the compiler fails when given an warning option not supported for C++])
1618 # Some C+ compilers warn about -Wmissing-prototypes, and some warn
1619 # about -Wmissing-declarations. Check both.
1622 save_CXXFLAGS="$CXXFLAGS"
1623 for flag in -Wmissing-prototypes -Wmissing-declarations; do
1624 CXXFLAGS="$save_CXXFLAGS $flag"
1630 # We're assuming this is g++, where -Werror is the
1631 # appropriate option to force the compiler to fail.
1632 # Check whether it fails with -Werror.
1634 # NOTE: it's important to put -Werror *before*
1635 # the flag, otherwise, when it sees the flag,
1636 # it doesn't yet know that warnings should be
1637 # treated as errors, and doesn't treat the
1638 # "that's C-only" warning as an error.
1640 CXXFLAGS="$save_CXXFLAGS -Werror $flag"
1646 # No, so this option is actually OK
1647 # with our C++ compiler.
1649 # (We need an empty command here to
1650 # prevent some versions of autoconf
1651 # from generating a script with an
1652 # empty "then" clause for an if statement.)
1658 # Yes, so we need -Werror for the tests.
1660 ac_wireshark_non_cxx_warning_option_error="-Werror"
1665 CXXFLAGS="$save_CXXFLAGS"
1667 if test x$ac_wireshark_non_cxx_warning_option_error = x; then
1668 AC_MSG_RESULT([yes])
1670 AC_MSG_RESULT([no, adding -Werror])
1675 # AC_WIRESHARK_COMPILER_FLAGS_CHECK
1677 # $1 : flags to test
1678 # $2 : if supplied, C for C-only flags, CXX for C++-only flags
1679 # $3 : if supplied, a program to try to compile with the flag
1680 # and, if the compile fails when -Werror is turned on,
1681 # we don't add the flag - used for warning flags that
1682 # issue incorrect or non-useful warnings with some
1684 # $4 : must be supplied if $3 is supplied - a message describing
1685 # for what the test program is testing
1687 # The macro first determines if the compiler supports GCC-style flags.
1688 # Then it attempts to compile with the defined cflags. The defined
1689 # flags are added to CFLAGS only if the compilation succeeds.
1691 # We do this because not all such options are necessarily supported by
1692 # the version of the particular compiler we're using.
1694 AC_DEFUN([AC_WIRESHARK_COMPILER_FLAGS_CHECK],
1696 can_add_to_cflags=""
1697 can_add_to_cxxflags=""
1698 if test "x$ac_supports_gcc_flags" = "xyes" ; then
1699 if test "$2" != CXX ; then
1701 # Not C++-only; if this can be added to the C compiler flags, add them.
1703 # If the option begins with "-W", add
1704 # $ac_wireshark_unknown_warning_option_error to make sure that
1705 # we'll get an error if it's an unknown warning option; not all
1706 # compilers treat unknown warning options as errors (I'm looking at
1709 # If the option begins with "-f" or "-m", add -Werror to make sure
1710 # that we'll get an error if we get "argument unused during compilation"
1711 # warnings, as those will either cause a failure for files compiled
1712 # with -Werror or annoying noise for files compiled without it.
1713 # (Yeah, you, clang.)
1715 AC_MSG_CHECKING(whether we can add $GCC_OPTION to CFLAGS)
1716 CFLAGS_saved="$CFLAGS"
1717 if expr "x$GCC_OPTION" : "x-W.*" >/dev/null
1719 CFLAGS="$CFLAGS $ac_wireshark_unknown_warning_option_error $GCC_OPTION"
1720 elif expr "x$GCC_OPTION" : "x-f.*" >/dev/null
1722 CFLAGS="$CFLAGS -Werror $GCC_OPTION"
1723 elif expr "x$GCC_OPTION" : "x-m.*" >/dev/null
1725 CFLAGS="$CFLAGS -Werror $GCC_OPTION"
1727 CFLAGS="$CFLAGS $GCC_OPTION"
1731 AC_LANG_SOURCE([[int foo;]])
1735 can_add_to_cflags=yes
1737 # OK, do we have a test program? If so, check
1738 # whether it fails with this option and -Werror,
1739 # and, if so, don't include it.
1741 # We test arg 4 here because arg 3 is a program which
1742 # could contain quotes (breaking the comparison).
1744 if test "x$4" != "x" ; then
1745 CFLAGS="$CFLAGS -Werror"
1746 AC_MSG_CHECKING(whether $GCC_OPTION $4)
1748 [AC_LANG_SOURCE($3)],
1752 # Remove "force an error for a warning" options, if we
1753 # added them, by setting CFLAGS to the saved value plus
1754 # just the new option.
1756 CFLAGS="$CFLAGS_saved $GCC_OPTION"
1758 # Add it to the flags we use when building build tools.
1760 CFLAGS_FOR_BUILD="$CFLAGS_FOR_BUILD $GCC_OPTION"
1764 CFLAGS="$CFLAGS_saved"
1768 # Remove "force an error for a warning" options, if we
1769 # added them, by setting CFLAGS to the saved value plus
1770 # just the new option.
1772 CFLAGS="$CFLAGS_saved $GCC_OPTION"
1774 # Add it to the flags we use when building build tools.
1776 CFLAGS_FOR_BUILD="$CFLAGS_FOR_BUILD $GCC_OPTION"
1781 can_add_to_cflags=no
1782 CFLAGS="$CFLAGS_saved"
1785 if test "$2" != C ; then
1787 # Not C-only; if this can be added to the C++ compiler flags, add them.
1789 # If the option begins with "-W", add
1790 # $ac_wireshark_unknown_warning_option_error, as per the above, and
1791 # also add $ac_wireshark_non_cxx_warning_option_error, because at
1792 # lease some versions of g++ whine about -Wmissing-prototypes, the
1793 # fact that at least one of those versions refuses to warn about
1794 # function declarations without an earlier declaration nonwithstanding;
1795 # perhaps there's a reason not to warn about that with C++ even though
1796 # warning about it can be a Good Idea with C, but it's not obvious to
1799 # If the option begins with "-f" or "-m", add -Werror to make sure
1800 # that we'll get an error if we get "argument unused during compilation"
1801 # warnings, as those will either cause a failure for files compiled
1802 # with -Werror or annoying noise for files compiled without it.
1803 # (Yeah, you, clang++.)
1805 AC_MSG_CHECKING(whether we can add $GCC_OPTION to CXXFLAGS)
1806 CXXFLAGS_saved="$CXXFLAGS"
1807 if expr "x$GCC_OPTION" : "x-W.*" >/dev/null
1809 CXXFLAGS="$CXXFLAGS $ac_wireshark_unknown_warning_option_error $ac_wireshark_non_cxx_warning_option_error $GCC_OPTION"
1810 elif expr "x$GCC_OPTION" : "x-f.*" >/dev/null
1812 CXXFLAGS="$CXXFLAGS -Werror $GCC_OPTION"
1813 elif expr "x$GCC_OPTION" : "x-m.*" >/dev/null
1815 CXXFLAGS="$CXXFLAGS -Werror $GCC_OPTION"
1817 CXXFLAGS="$CXXFLAGS $GCC_OPTION"
1822 AC_LANG_SOURCE([[int foo;]])
1826 can_add_to_cxxflags=yes
1828 # OK, do we have a test program? If so, check
1829 # whether it fails with this option and -Werror,
1830 # and, if so, don't include it.
1832 # We test arg 4 here because arg 3 is a program which
1833 # could contain quotes (breaking the comparison).
1835 if test "x$4" != "x" ; then
1836 CXXFLAGS="$CXXFLAGS -Werror"
1837 AC_MSG_CHECKING(whether $GCC_OPTION $4)
1839 [AC_LANG_SOURCE($3)],
1843 # Remove "force an error for a warning" options, if we
1844 # added them, by setting CXXFLAGS to the saved value plus
1845 # just the new option.
1847 CXXFLAGS="$CXXFLAGS_saved $GCC_OPTION"
1851 CXXFLAGS="$CXXFLAGS_saved"
1855 # Remove "force an error for a warning" options, if we
1856 # added them, by setting CXXFLAGS to the saved value plus
1857 # just the new option.
1859 CXXFLAGS="$CXXFLAGS_saved $GCC_OPTION"
1864 can_add_to_cxxflags=no
1865 CXXFLAGS="$CXXFLAGS_saved"
1869 if test "(" "$can_add_to_cflags" = "yes" -a "$can_add_to_cxxflags" = "no" ")" \
1870 -o "(" "$can_add_to_cflags" = "no" -a "$can_add_to_cxxflags" = "yes" ")"
1873 # Confusingly, some C++ compilers like -Wmissing-prototypes but
1874 # don't like -Wmissing-declarations and others like
1875 # -Wmissing-declarations but don't like -Wmissing-prototypes,
1876 # the fact that the corresponding C compiler likes both. Don't
1879 if test "(" x$GCC_OPTION != x-Wmissing-prototypes ")" \
1880 -a "(" x$GCC_OPTION != x-Wmissing-declarations ")"
1882 AC_MSG_WARN([$CC and $CXX appear to be a mismatched pair])
1888 # AC_WIRESHARK_GCC_FORTIFY_SOURCE_CHECK
1890 # Checks if '-D_FORTIFY_SOURCE=...' is OK to use in CPPFLAGS.
1891 # Use '-D_FORTIFY_SOURCE=...' in CPPFLAGS only if the GCC 'optimization level' is > 0.
1892 # The use of '-D_FORTIFY_SOURCE=...' will cause a warning with at least some versions
1893 # of glibc if the GCC "optimization level" is 0 (default or -O or -O0)
1894 # when using GCC to compile a source file which references the macro definition.
1896 # See: http://gcc.gnu.org/ml/gcc-patches/2004-09/msg02055.html
1897 # See: http://sourceware.org/bugzilla/show_bug.cgi?id=13979
1899 # We'll use '-D_FORTIFY_SOURCE=2' only if there's no warning; Among other things this means
1900 # that the use of '-D_FORTIFY_SOURCE=2' with '-Werror' and '-O0' won't cause
1901 # the compiler to stop on error.
1902 # Assumption: CFLAGS already contains whatever optimization option including none) is
1906 AC_DEFUN([AC_WIRESHARK_GCC_FORTIFY_SOURCE_CHECK],
1908 if test "x$GCC" = "xyes" -o "x$CC" = "xclang" ; then
1909 AC_MSG_CHECKING([whether -D_FORTIFY_SOURCE=... can be used (without generating a warning)])
1910 CFLAGS_saved="$CFLAGS"
1911 CPPFLAGS_saved="$CPPFLAGS"
1912 CFLAGS="$CFLAGS -Werror"
1913 CPPFLAGS="$CPPFLAGS -D_FORTIFY_SOURCE=2"
1922 # (CPPFLAGS contains _D_FORTIFY_SOURCE=2)
1927 # Remove -D_FORTIFY_SOURCE=2
1928 CPPFLAGS="$CPPFLAGS_saved"
1930 CFLAGS="$CFLAGS_saved"
1935 # AC_WIRESHARK_OSX_INTEGRATION_CHECK
1937 # Checks for the presence of OS X integration functions in the GTK+ framework
1938 # or as a separate library.
1940 # GTK+ for MAC OS X now lives on www.gtk.org at:
1942 # http://www.gtk.org/download/macos.php
1944 # Details on building with GTK-OSX are available at:
1946 # http://live.gnome.org/GTK%2B/OSX/Building
1948 # The GTK-OSX library has been renamed to gtkmacintegration.
1949 # It was previously named igemacintegration.
1951 # http://live.gnome.org/GTK%2B/OSX/Integration
1952 # for the old Carbon-based integration functions
1954 AC_DEFUN([AC_WIRESHARK_OSX_INTEGRATION_CHECK],
1956 ac_save_CFLAGS="$CFLAGS"
1957 ac_save_LIBS="$LIBS"
1958 CFLAGS="$CFLAGS $GTK_CFLAGS"
1959 LIBS="$GTK_LIBS $LIBS"
1962 # Check for the new integration functions in a -lgtkmacintegration
1965 AC_CHECK_LIB(gtkmacintegration, gtkosx_application_set_menu_bar,
1967 AC_DEFINE(HAVE_GTKOSXAPPLICATION, 1,
1968 [Define to 1 if -lgtkmacintegration includes the GtkOSXApplication Integration functions.])
1970 # We don't want gtk stuff in LIBS (which is reset below) so
1971 # manually set GTK_LIBS (which is more appropriate)
1972 GTK_LIBS="$GTK_LIBS -lgtkmacintegration"
1975 if test x$have_ige_mac = x
1978 # Not found - check for the old integration functions in
1979 # the Gtk framework.
1981 AC_CHECK_LIB(Gtk, gtk_mac_menu_set_menu_bar,
1983 AC_DEFINE(HAVE_IGE_MAC_INTEGRATION, 1,
1984 [Define to 1 if the the Gtk+ framework or a separate library includes the Imendio IGE Mac OS X Integration functions.])
1986 # We don't want gtk stuff in LIBS (which is reset below) so
1987 # manually set GTK_LIBS (which is more appropriate)
1988 GTK_LIBS="$GTK_LIBS -lGtk"
1992 if test x$have_ige_mac = x
1995 # Not found - check for the old integration functions in
1996 # a -lgtkmacintegration library.
1998 AC_CHECK_LIB(gtkmacintegration, gtk_mac_menu_set_menu_bar,
2000 AC_DEFINE(HAVE_IGE_MAC_INTEGRATION, 1,
2001 [Define to 1 if the the Gtk+ framework or a separate library includes the Imendio IGE Mac OS X Integration functions.])
2003 # We don't want gtk stuff in LIBS (which is reset below) so
2004 # manually set GTK_LIBS (which is more appropriate)
2005 GTK_LIBS="$GTK_LIBS -lgtkmacintegration"
2008 CFLAGS="$ac_save_CFLAGS"
2009 LIBS="$ac_save_LIBS"
2012 # Based on AM_PATH_GTK in gtk-2.0.m4.
2014 dnl AC_WIRESHARK_QT_MODULE_CHECK([MODULE, MINIMUM-VERSION, [ACTION-IF-FOUND,
2015 dnl [ACTION-IF-NOT-FOUND]]])
2016 dnl Test for a particular Qt module and add the flags and libraries
2017 dnl for it to Qt_CFLAGS and Qt_LIBS.
2019 AC_DEFUN([AC_WIRESHARK_QT_MODULE_CHECK],
2022 # Version of the module we're checking for.
2025 min_qt_version=ifelse([$2], ,4.0.0,$2)
2028 # Prior to Qt 5, modules were named QtXXX.
2029 # In Qt 5, they're named Qt5XXX.
2031 # Try the Qt 5 version first.
2032 # (And be prepared to add Qt6 at some point....)
2034 for modprefix in Qt5 Qt
2036 pkg_config_module="${modprefix}$1"
2037 AC_MSG_CHECKING(for $pkg_config_module - version >= $min_qt_version)
2038 if $PKG_CONFIG --atleast-version $min_qt_version $pkg_config_module; then
2039 mod_version=`$PKG_CONFIG --modversion $pkg_config_module`
2040 AC_MSG_RESULT(yes (version $mod_version))
2041 Qt_CFLAGS="$Qt_CFLAGS `$PKG_CONFIG --cflags $pkg_config_module`"
2042 Qt_LIBS="$Qt_LIBS `$PKG_CONFIG --libs $pkg_config_module`"
2050 if test "x$found_$1" = "xyes"; then
2051 # Run Action-If-Found
2052 ifelse([$3], , :, [$3])
2054 # Run Action-If-Not-Found
2055 ifelse([$4], , :, [$4])
2059 dnl AC_WIRESHARK_QT_CHECK([MINIMUM-VERSION, [ACTION-IF-FOUND,
2060 dnl [ACTION-IF-NOT-FOUND]]])
2061 dnl Test for Qt and define Qt_CFLAGS and Qt_LIBS.
2063 AC_DEFUN([AC_WIRESHARK_QT_CHECK],
2067 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
2069 if test x$PKG_CONFIG != xno ; then
2070 if pkg-config --atleast-pkgconfig-version 0.7 ; then
2073 echo *** pkg-config too old; version 0.7 or better required.
2081 if test x"$no_qt" = x ; then
2083 # OK, we have an adequate version of pkg-config.
2085 # Check for the Core module; if we don't have that,
2088 AC_WIRESHARK_QT_MODULE_CHECK(Core, $1, , [no_qt=yes])
2091 if test x"$no_qt" = x ; then
2093 # We need the Gui module as well.
2095 AC_WIRESHARK_QT_MODULE_CHECK(Gui, $1, , [no_qt=yes])
2098 if test x"$no_qt" = x ; then
2100 # Qt 5.0 appears to move the widgets out of Qt GUI
2101 # to Qt Widgets; look for the Widgets module, but
2102 # don't fail if we don't have it.
2104 AC_WIRESHARK_QT_MODULE_CHECK(Widgets, $1)
2107 # Qt 5.0 also appears to move the printing support into
2108 # the Qt PrintSupport module.
2110 AC_WIRESHARK_QT_MODULE_CHECK(PrintSupport, $1)
2113 # While we're at it, look for QtMacExtras. (Presumably
2114 # if we're not building for OS X, it won't be present.)
2116 # XXX - is there anything in QtX11Extras or QtWinExtras
2117 # that we should be using?
2119 AC_WIRESHARK_QT_MODULE_CHECK(MacExtras, $1,
2120 AC_DEFINE(QT_MACEXTRAS_LIB, 1, [Define if we have QtMacExtras]))
2124 # Run Action-If-Found
2125 ifelse([$2], , :, [$2])
2127 # Run Action-If-Not-Found
2128 ifelse([$3], , :, [$3])