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;
174 # XXX - this doesn't define INET6;
177 CPPFLAGS="-I/usr/local/v6/include $CPPFLAGS"])
181 #include <sys/param.h>
182 #ifdef _TOSHIBA_INET6
185 [v6type=$i; v6lib=inet6;
186 v6libdir=/usr/local/v6/lib;
187 AC_DEFINE(INET6, 1, [Define if the platform supports IPv6])])
191 #include <netinet/in.h>
195 [v6type=$i; v6lib=inet6;
196 v6libdir=/usr/local/v6/lib;
197 AC_DEFINE(INET6, 1, [Define if the platform supports IPv6])])
201 #include <netinet/in.h>
202 #ifdef IPV6_INRIA_VERSION
206 AC_DEFINE(INET6, 1, [Define if the platform supports IPv6])])
210 #include <sys/param.h>
211 #ifdef _ZETA_MINAMI_INET6
214 [v6type=$i; v6lib=inet6;
215 v6libdir=/usr/local/v6/lib;
216 AC_DEFINE(INET6, 1, [Define if the platform supports IPv6])])
219 if test -d /usr/inet6; then
223 AC_DEFINE(INET6, 1, [Define if the platform supports IPv6])
228 #include <features.h>
229 #if defined(__GLIBC__) && defined(__GLIBC_MINOR__)
230 #if (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 1) || __GLIBC__ > 2
234 [v6type=$i; v6lib=inet6;
235 AC_DEFINE(INET6, 1, [Define if the platform supports IPv6])])
239 # There's nothing we can check for in the header
240 # file, so we just check for SunOS (pre-SunOS 5
241 # versions didn't include IPv6 support, so we
242 # just check the OS, not the version).
244 if test "`uname -s`" = "SunOS"; then
247 AC_DEFINE(INET6, 1, [Define if the platform supports IPv6])
251 if test "$v6type" != "unknown"; then
256 if test "$v6lib" != "none"; then
257 for dir in $v6libdir /usr/local/v6/lib /usr/local/lib; do
258 if test -d $dir -a -f $dir/lib$v6lib.a; then
259 LIBS="-L$dir $LIBS -l$v6lib"
267 AC_MSG_RESULT(["$v6type, $v6lib"])
271 # AC_WIRESHARK_GETHOSTBY_LIB_CHECK
273 # Checks whether we need "-lnsl" to get "gethostby*()", which we use
276 # Adapted from stuff in the AC_PATH_XTRA macro in "acspecific.m4" in
277 # GNU Autoconf 2.13; the comment came from there.
278 # Done by Guy Harris <guy@alum.mit.edu> on 2000-01-14.
280 AC_DEFUN([AC_WIRESHARK_GETHOSTBY_LIB_CHECK],
282 # msh@cis.ufl.edu says -lnsl (and -lsocket) are needed for his 386/AT,
283 # to get the SysV transport functions.
284 # chad@anasazi.com says the Pyramid MIS-ES running DC/OSx (SVR4)
286 # The nsl library prevents programs from opening the X display
287 # on Irix 5.2, according to dickey@clark.net.
288 AC_CHECK_FUNC(gethostbyname, ,
289 AC_CHECK_LIB(nsl, gethostbyname, NSL_LIBS="-lnsl"))
294 # AC_WIRESHARK_SOCKET_LIB_CHECK
296 # Checks whether we need "-lsocket" to get "socket()", which is used
297 # by libpcap on some platforms - and, in effect, "gethostby*()" on
298 # most if not all platforms (so that it can use NIS or DNS or...
299 # to look up host names).
301 # Adapted from stuff in the AC_PATH_XTRA macro in "acspecific.m4" in
302 # GNU Autoconf 2.13; the comment came from there.
303 # Done by Guy Harris <guy@alum.mit.edu> on 2000-01-14.
305 # We use "connect" because that's what AC_PATH_XTRA did.
307 AC_DEFUN([AC_WIRESHARK_SOCKET_LIB_CHECK],
309 # lieder@skyler.mavd.honeywell.com says without -lsocket,
310 # socket/setsockopt and other routines are undefined under SCO ODT
311 # 2.0. But -lsocket is broken on IRIX 5.2 (and is not necessary
312 # on later versions), says simon@lia.di.epfl.ch: it contains
313 # gethostby* variants that don't use the nameserver (or something).
314 # -lsocket must be given before -lnsl if both are needed.
315 # We assume that if connect needs -lnsl, so does gethostbyname.
316 AC_CHECK_FUNC(connect, ,
317 AC_CHECK_LIB(socket, connect, SOCKET_LIBS="-lsocket",
318 AC_MSG_ERROR(Function 'socket' not found.), $NSL_LIBS))
319 AC_SUBST(SOCKET_LIBS)
323 # AC_WIRESHARK_BREAKLOOP_TRY_LINK
325 AC_DEFUN([AC_WIRESHARK_PCAP_BREAKLOOP_TRY_LINK],
341 ws_breakloop_compiled=yes
344 ws_breakloop_compiled=no
351 # AC_WIRESHARK_PCAP_CHECK
353 AC_DEFUN([AC_WIRESHARK_PCAP_CHECK],
355 if test -z "$pcap_dir"
358 # XXX need to set a var AC_CHECK_HEADER(pcap.h,,)
361 # The user didn't specify a directory in which libpcap resides.
362 # First, look for a pcap-config script.
364 AC_PATH_PROG(PCAP_CONFIG, pcap-config)
366 if test -n "$PCAP_CONFIG" ; then
370 # Now check whether it's the libpcap 1.0 version, which
371 # put a space after "-L" - on some platforms, that doesn't
374 AC_MSG_CHECKING(for broken pcap-config)
375 case "`\"$PCAP_CONFIG\" --libs`" in
379 # Space after -L. Pretend pcap-config doesn't exist.
393 if test -n "$PCAP_CONFIG" ; then
395 # Found it, and it's usable; use it to get the include flags
398 CPPFLAGS="$CPPFLAGS `\"$PCAP_CONFIG\" --cflags`"
401 # Didn't find it; we have to look for libpcap ourselves.
402 # We assume that the current library search path will work,
403 # but we may have to look for the header in a "pcap"
404 # subdirectory of "/usr/include" or "/usr/local/include",
405 # as some systems apparently put "pcap.h" in a "pcap"
406 # subdirectory, and we also check "$prefix/include" - and
407 # "$prefix/include/pcap", in case $prefix is set to
408 # "/usr/include" or "/usr/local/include".
410 # XXX - should we just add "$prefix/include" to the include
411 # search path and "$prefix/lib" to the library search path?
413 AC_MSG_CHECKING(for extraneous pcap header directories)
415 pcap_dir_list="/usr/include/pcap $prefix/include/pcap $prefix/include"
416 if test "x$ac_cv_enable_usr_local" = "xyes" ; then
417 pcap_dir_list="$pcap_dir_list /usr/local/include/pcap"
419 for pcap_dir in $pcap_dir_list
421 if test -d $pcap_dir ; then
422 if test x$pcap_dir != x/usr/include -a x$pcap_dir != x/usr/local/include ; then
423 CPPFLAGS="$CPPFLAGS -I$pcap_dir"
425 found_pcap_dir=" $found_pcap_dir -I$pcap_dir"
430 if test "$found_pcap_dir" != "" ; then
431 AC_MSG_RESULT(found --$found_pcap_dir added to CFLAGS)
433 AC_MSG_RESULT(not found)
438 # The user specified a directory in which libpcap resides,
439 # so add the "include" subdirectory of that directory to
440 # the include file search path and the "lib" subdirectory
441 # of that directory to the library search path.
443 # XXX - if there's also a libpcap in a directory that's
444 # already in CPPFLAGS or LDFLAGS, this won't make us find
445 # the version in the specified directory, as the compiler
446 # and/or linker will search that other directory before it
447 # searches the specified directory.
449 CPPFLAGS="$CPPFLAGS -I$pcap_dir/include"
450 AC_WIRESHARK_ADD_DASH_L(LDFLAGS, $pcap_dir/lib)
454 AC_CHECK_HEADER(pcap.h,,
455 AC_MSG_ERROR([[Header file pcap.h not found; if you installed libpcap
456 from source, did you also do \"make install-incl\", and if you installed a
457 binary package of libpcap, is there also a developer's package of libpcap,
458 and did you also install that package?]]))
460 if test -n "$PCAP_CONFIG" ; then
462 # We have pcap-config; we assume that means we have libpcap
463 # installed and that pcap-config will tell us whatever
464 # libraries libpcap needs.
466 if test x$enable_static = xyes; then
467 PCAP_LIBS="`\"$PCAP_CONFIG\" --libs --static`"
469 PCAP_LIBS="`\"$PCAP_CONFIG\" --libs`"
471 AC_DEFINE(HAVE_LIBPCAP, 1, [Define to use libpcap library])
474 # Check to see if we find "pcap_open_live" in "-lpcap".
475 # Also check for various additional libraries that libpcap might
478 AC_CHECK_LIB(pcap, pcap_open_live,
481 AC_DEFINE(HAVE_LIBPCAP, 1, [Define to use libpcap library])
483 ac_wireshark_extras_found=no
485 for extras in "-lcfg -lodm" "-lpfring"
487 AC_MSG_CHECKING([for pcap_open_live in -lpcap with $extras])
488 LIBS="-lpcap $extras"
490 # XXX - can't we use AC_CHECK_LIB here?
497 pcap_open_live(NULL, 0, 0, 0, NULL);
500 ac_wireshark_extras_found=yes
502 PCAP_LIBS="-lpcap $extras"
503 AC_DEFINE(HAVE_LIBPCAP, 1, [Define to use libpcap library])
508 if test x$ac_wireshark_extras_found = xyes
513 if test x$ac_wireshark_extras_found = xno
515 AC_MSG_ERROR([Can't link with library libpcap.])
518 ], $SOCKET_LIBS $NSL_LIBS)
523 # Check whether various variables and functions are defined by
527 LIBS="$PCAP_LIBS $SOCKET_LIBS $NSL_LIBS $LIBS"
528 AC_CHECK_FUNCS(pcap_open_dead pcap_freecode)
530 # pcap_breakloop may be present in the library but not declared
531 # in the pcap.h header file. If it's not declared in the header
532 # file, attempts to use it will get warnings, and, if we're
533 # building with warnings treated as errors, that warning will
534 # cause compilation to fail.
536 # We are therefore first testing whether the function is present
537 # and then, if we're compiling with warnings as errors, testing
538 # whether it is usable. It is usable if it compiles without
539 # a -Wimplicit warning (the "compile with warnings as errors"
540 # option requires GCC). If it is not usable, we fail and tell
541 # the user that the pcap.h header needs to be updated.
543 # Ceteris paribus, this should only happen with Mac OS X 10.3[.x] which
544 # can have an up-to-date pcap library without the corresponding pcap
547 # However, it might also happen on some others OSes with some erroneous
548 # system manipulations where multiple versions of libpcap might co-exist
549 # e.g. hand made symbolic link from libpcap.so -> libpcap.so.0.8 but
550 # having the pcap header version 0.7.
552 AC_MSG_CHECKING([whether pcap_breakloop is present])
553 ac_CFLAGS_saved="$CFLAGS"
554 AC_WIRESHARK_PCAP_BREAKLOOP_TRY_LINK
555 if test "x$ws_breakloop_compiled" = "xyes"; then
557 AC_DEFINE(HAVE_PCAP_BREAKLOOP, 1, [Define if pcap_breakloop is known])
558 if test "x$with_warnings_as_errors" = "xyes"; then
559 AC_MSG_CHECKING([whether pcap_breakloop is usable])
560 CFLAGS="$CFLAGS -Werror -Wimplicit"
561 AC_WIRESHARK_PCAP_BREAKLOOP_TRY_LINK
562 if test "x$ws_breakloop_compiled" = "xyes"; then
567 [Your pcap library is more recent than your pcap header.
568 As you are building with compiler warnings treated as errors, Wireshark
569 won't be able to use functions not declared in that header.
570 If you wish to build with compiler warnings treated as errors, You should
571 install a newer version of the header file.])
573 CFLAGS="$ac_CFLAGS_saved"
580 # Later versions of Mac OS X 10.3[.x] ship a pcap.h that
581 # doesn't define pcap_if_t but ship an 0.8[.x] libpcap,
582 # so the library has "pcap_findalldevs()", but pcap.h
583 # doesn't define "pcap_if_t" so you can't actually *use*
584 # "pcap_findalldevs()".
586 # That even appears to be true of systems shipped with
587 # 10.3.4, so it doesn't appear only to be a case of
588 # Software Update not updating header files.
590 # (You can work around this by installing the 0.8 header
593 AC_CACHE_CHECK([whether pcap_findalldevs is present and usable],
594 [ac_cv_func_pcap_findalldevs],
603 pcap_if_t *devpointer;
606 pcap_findalldevs(&devpointer, errbuf);
611 ac_cv_func_pcap_findalldevs=yes
614 ac_cv_func_pcap_findalldevs=no
618 # Don't check for other new routines that showed up after
619 # "pcap_findalldevs()" if we don't have a usable
620 # "pcap_findalldevs()", so we don't end up using them if the
621 # "pcap.h" is crufty and old and doesn't declare them.
623 if test $ac_cv_func_pcap_findalldevs = "yes" ; then
624 AC_DEFINE(HAVE_PCAP_FINDALLDEVS, 1,
625 [Define to 1 if you have the `pcap_findalldevs' function and a pcap.h that declares pcap_if_t.])
626 AC_CHECK_FUNCS(pcap_datalink_val_to_name pcap_datalink_name_to_val)
627 AC_CHECK_FUNCS(pcap_datalink_val_to_description)
628 AC_CHECK_FUNCS(pcap_list_datalinks pcap_set_datalink pcap_lib_version)
629 AC_CHECK_FUNCS(pcap_get_selectable_fd pcap_free_datalinks)
630 AC_CHECK_FUNCS(pcap_create bpf_image pcap_set_tstamp_precision)
635 AC_DEFUN([AC_WIRESHARK_PCAP_REMOTE_CHECK],
638 LIBS="$PCAP_LIBS $SOCKET_LIBS $NSL_LIBS $LIBS"
639 AC_DEFINE(HAVE_REMOTE, 1, [Define to 1 to enable remote
640 capturing feature in WinPcap library])
641 AC_CHECK_FUNCS(pcap_open)
642 if test $ac_cv_func_pcap_open = "yes" ; then
643 AC_DEFINE(HAVE_PCAP_REMOTE, 1,
644 [Define to 1 if you have WinPcap remote capturing support and prefer to use these new API features.])
646 AC_CHECK_FUNCS(pcap_setsampling)
651 # AC_WIRESHARK_ZLIB_CHECK
653 AC_DEFUN([AC_WIRESHARK_ZLIB_CHECK],
655 if test "x$zlib_dir" != "x"
658 # The user specified a directory in which zlib resides,
659 # so add the "include" subdirectory of that directory to
660 # the include file search path and the "lib" subdirectory
661 # of that directory to the library search path.
663 # XXX - if there's also a zlib in a directory that's
664 # already in CPPFLAGS or LDFLAGS, this won't make us find
665 # the version in the specified directory, as the compiler
666 # and/or linker will search that other directory before it
667 # searches the specified directory.
669 wireshark_save_CPPFLAGS="$CPPFLAGS"
670 CPPFLAGS="$CPPFLAGS -I$zlib_dir/include"
671 wireshark_save_LIBS="$LIBS"
672 AC_WIRESHARK_ADD_DASH_L(LIBS, $zlib_dir/lib)
676 # Make sure we have "zlib.h". If we don't, it means we probably
677 # don't have zlib, so don't use it.
679 AC_CHECK_HEADER(zlib.h,,
681 if test "x$zlib_dir" != "x"
684 # The user used "--with-zlib=" to specify a directory
685 # containing zlib, but we didn't find the header file
686 # there; that either means they didn't specify the
687 # right directory or are confused about whether zlib
688 # is, in fact, installed. Report the error and give up.
690 AC_MSG_ERROR([zlib header not found in directory specified in --with-zlib])
692 if test "x$want_zlib" = "xyes"
695 # The user tried to force us to use the library, but we
696 # couldn't find the header file; report an error.
698 AC_MSG_ERROR(Header file zlib.h not found.)
701 # We couldn't find the header file; don't use the
702 # library, as it's probably not present.
709 if test "x$want_zlib" != "xno"
712 # Well, we at least have the zlib header file.
713 # We link with zlib to support uncompression of
714 # gzipped network traffic, e.g. in an HTTP request
717 if test "x$zlib_dir" != "x"
720 # Put the "-L" flags for zlib at the beginning
724 AC_WIRESHARK_ADD_DASH_L(LIBS, $zlib_dir/lib)
725 LIBS="$LIBS -lz $wireshark_save_LIBS"
729 AC_DEFINE(HAVE_LIBZ, 1, [Define to use libz library])
732 # Check for "inflatePrime()" in zlib, which we need
733 # in order to read compressed capture files.
735 AC_CHECK_FUNCS(inflatePrime)
737 if test "x$ac_cv_func_inflatePrime" = "xyes" ; then
739 # Now check for "inflatePrime()" in zlib when
740 # linking with the linker flags for GTK+
741 # applications; people often grab XFree86 source
742 # and build and install it on their systems,
743 # and they appear sometimes to misconfigure
744 # XFree86 so that, even on systems with zlib,
745 # it assumes there is no zlib, so the XFree86
746 # build process builds and installs its
747 # own zlib in the X11 library directory.
749 # The zlib in at least some versions of XFree86
750 # is an older version that may lack "inflatePrime()",
751 # and that's the zlib with which Wireshark gets
752 # linked, so the build of Wireshark fails.
754 AC_MSG_CHECKING([for inflatePrime missing when linking with X11])
755 AC_TRY_LINK_FUNC(inflatePrime, AC_MSG_RESULT(no),
758 AC_MSG_ERROR(old zlib found when linking with X11 - get rid of old zlib.)
763 # Restore the versions of CPPFLAGS and LIBS before
764 # we added the "-with-zlib=" directory, as we didn't
765 # actually find zlib there.
767 CPPFLAGS="$wireshark_save_CPPFLAGS"
768 LIBS="$wireshark_save_LIBS"
774 # AC_WIRESHARK_LIBLUA_CHECK
776 AC_DEFUN([AC_WIRESHARK_LIBLUA_CHECK],[
778 if test "x$lua_dir" != "x"
781 # The user specified a directory in which liblua resides,
782 # so add the "include" subdirectory of that directory to
783 # the include file search path and the "lib" subdirectory
784 # of that directory to the library search path.
786 # XXX - if there's also a liblua in a directory that's
787 # already in CPPFLAGS or LDFLAGS, this won't make us find
788 # the version in the specified directory, as the compiler
789 # and/or linker will search that other directory before it
790 # searches the specified directory.
792 wireshark_save_CPPFLAGS="$CPPFLAGS"
793 CPPFLAGS="$CPPFLAGS -I$lua_dir/include"
794 wireshark_save_LIBS="$LIBS"
795 LIBS="$LIBS -L$lua_dir/lib -llua -lm"
796 wireshark_save_LDFLAGS="$LDFLAGS"
797 LDFLAGS="$LDFLAGS -L$lua_dir/lib"
800 # Determine Lua version by reading the LUA_VERSION_NUM definition
801 # from lua.h under the given Lua directory. The value is 501 for
802 # Lua 5.1, 502 for Lua 5.2, etc.
804 AC_MSG_CHECKING(Lua version)
805 [[ -d "$lua_dir/include" ]] && grep -rq 'LUA_VERSION_NUM.*501' "$lua_dir/include" && lua_ver=5.1
806 AC_MSG_RESULT(Lua ${lua_ver})
809 # The user specified no directory in which liblua resides,
810 # we try to find out the lua version by looking at pathnames
811 # and we just add "-llua -lliblua" to the used libs.
813 AC_MSG_CHECKING(Lua version)
816 [[ -d "/usr/include/lua$i" ]] && lua_ver=$i
818 AC_MSG_RESULT(Lua ${lua_ver})
819 wireshark_save_CPPFLAGS="$CPPFLAGS"
820 wireshark_save_LDFLAGS="$LDFLAGS"
821 wireshark_save_LIBS="$LIBS"
822 LIBS="$LIBS -llua -lm"
826 # Make sure we have "lua.h", "lualib.h" and "lauxlib.h". If we don't, it means we probably
827 # don't have liblua, so don't use it.
829 AC_CHECK_HEADERS(lua.h lualib.h lauxlib.h,,
831 AC_CHECK_HEADERS(lua${lua_ver}/lua.h lua${lua_ver}/lualib.h lua${lua_ver}/lauxlib.h,
833 if test "x$lua_dir" != "x"
835 LUA_INCLUDES="-I$lua_dir/include/lua${lua_ver}"
838 # The user didn't specify a directory in which liblua resides;
839 # we must look for the headers in a "lua${lua_ver}" subdirectory of
840 # "/usr/include", "/usr/local/include", or "$prefix/include"
841 # as some systems apparently put the headers in a "lua${lua_ver}"
843 AC_MSG_CHECKING(for extraneous lua header directories)
845 lua_dir_list="/usr/include/lua${lua_ver} $prefix/include/lua${lua_ver}"
846 if test "x$ac_cv_enable_usr_local" = "xyes"
848 lua_dir_list="$lua_dir_list /usr/local/include/lua${lua_ver}"
850 for lua_dir_ent in $lua_dir_list
852 if test -d $lua_dir_ent
854 LUA_INCLUDES="-I$lua_dir_ent"
855 found_lua_dir="$lua_dir_ent"
860 if test "x$found_lua_dir" != "x"
862 AC_MSG_RESULT(found -- $found_lua_dir)
864 AC_MSG_RESULT(not found)
866 # Restore the versions of CPPFLAGS,
867 # LDFLAGS, and LIBS before we added the
868 # "--with-lua=" directory, as we didn't
869 # actually find lua there.
871 CPPFLAGS="$wireshark_save_CPPFLAGS"
872 LDFLAGS="$wireshark_save_LDFLAGS"
873 LIBS="$wireshark_save_LIBS"
875 if test "x$want_lua" = "xyes"
877 # we found lua${lua_ver}/lua.h, but we don't know which include dir contains it
878 AC_MSG_ERROR(Header file lua.h was found as lua${lua_ver}/lua.h but we can't locate the include directory. Please set the DIR for the --with-lua configure parameter.)
881 # We couldn't find the header file; don't use the
882 # library, as it's probably not present.
891 # Restore the versions of CPPFLAGS, LDFLAGS,
892 # and LIBS before we added the "--with-lua="
893 # directory, as we didn't actually find lua
896 CPPFLAGS="$wireshark_save_CPPFLAGS"
897 LDFLAGS="$wireshark_save_LDFLAGS"
898 LIBS="$wireshark_save_LIBS"
900 if test "x$lua_dir" != "x"
903 # The user used "--with-lua=" to specify a directory
904 # containing liblua, but we didn't find the header file
905 # there; that either means they didn't specify the
906 # right directory or are confused about whether liblua
907 # is, in fact, installed. Report the error and give up.
909 AC_MSG_ERROR([liblua header not found in directory specified in --with-lua])
911 if test "x$want_lua" = "xyes"
914 # The user tried to force us to use the library, but we
915 # couldn't find the header file; report an error.
917 AC_MSG_ERROR(Header file lua.h not found.)
920 # We couldn't find the header file; don't use the
921 # library, as it's probably not present.
929 if test "x$want_lua" != "xno"
932 # Well, we at least have the lua header file.
934 # let's check if the libs are there
937 # At least on Suse 9.3 systems, liblualib needs linking
939 LIBS="$LIBS $LUA_LIBS -lm"
941 AC_CHECK_LIB(lua, luaL_openlibs,
946 if test "x$lua_dir" != "x"
949 # Put the "-I" and "-L" flags for lua into
950 # LUA_INCLUDES and LUA_LIBS, respectively.
952 LUA_LIBS="-L$lua_dir/lib -llua -lm"
953 LUA_INCLUDES="-I$lua_dir/include"
958 AC_DEFINE(HAVE_LUA, 1, [Define to use Lua])
963 # We could not find the libs, maybe we have version number in the lib name
966 LIBS="$wireshark_save_LIBS -llua${lua_ver} -lm"
968 AC_CHECK_LIB(lua${lua_ver}, luaL_openlibs,
973 LUA_LIBS=" -llua${lua_ver} -lm"
974 AC_DEFINE(HAVE_LUA, 1, [Define to use Lua])
978 # Restore the versions of CPPFLAGS, LDFLAGS,
979 # and LIBS before we added the "--with-lua="
980 # directory, as we didn't actually find lua
983 CPPFLAGS="$wireshark_save_CPPFLAGS"
984 LDFLAGS="$wireshark_save_LDFLAGS"
985 LIBS="$wireshark_save_LIBS"
987 # User requested --with-lua but it isn't available
988 if test "x$want_lua" = "xyes"
990 AC_MSG_ERROR(Linking with liblua failed.)
996 CPPFLAGS="$wireshark_save_CPPFLAGS"
997 LDFLAGS="$wireshark_save_LDFLAGS"
998 LIBS="$wireshark_save_LIBS"
1000 AC_SUBST(LUA_INCLUDES)
1006 # AC_WIRESHARK_LIBPORTAUDIO_CHECK
1008 AC_DEFUN([AC_WIRESHARK_LIBPORTAUDIO_CHECK],[
1010 if test "x$portaudio_dir" != "x"
1013 # The user specified a directory in which libportaudio
1014 # resides, so add the "include" subdirectory of that directory to
1015 # the include file search path and the "lib" subdirectory
1016 # of that directory to the library search path.
1018 # XXX - if there's also a libportaudio in a directory that's
1019 # already in CPPFLAGS or LDFLAGS, this won't make us find
1020 # the version in the specified directory, as the compiler
1021 # and/or linker will search that other directory before it
1022 # searches the specified directory.
1024 wireshark_save_CPPFLAGS="$CPPFLAGS"
1025 CPPFLAGS="$CPPFLAGS -I$portaudio_dir/include"
1026 wireshark_save_LIBS="$LIBS"
1027 LIBS="$LIBS -L$portaudio_dir/lib -lportaudio"
1028 wireshark_save_LDFLAGS="$LDFLAGS"
1029 LDFLAGS="$LDFLAGS -L$portaudio_dir/lib"
1032 # The user specified no directory in which libportaudio resides,
1033 # so just add "-lportaudio" to the used libs.
1035 wireshark_save_CPPFLAGS="$CPPFLAGS"
1036 wireshark_save_LDFLAGS="$LDFLAGS"
1037 wireshark_save_LIBS="$LIBS"
1038 LIBS="$LIBS -lportaudio"
1042 # Make sure we have "portaudio.h". If we don't, it means we probably
1043 # don't have libportaudio, so don't use it.
1045 AC_CHECK_HEADERS(portaudio.h,,
1047 if test "x$portaudio_dir" != "x"
1050 # The user used "--with-portaudio=" to specify a directory
1051 # containing libportaudio, but we didn't find the header file
1052 # there; that either means they didn't specify the
1053 # right directory or are confused about whether libportaudio
1054 # is, in fact, installed. Report the error and give up.
1056 AC_MSG_ERROR([libportaudio header not found in directory specified in --with-portaudio])
1058 CPPFLAGS="$wireshark_save_CPPFLAGS"
1059 LDFLAGS="$wireshark_save_LDFLAGS"
1060 LIBS="$wireshark_save_LIBS"
1062 if test "x$want_portaudio" = "xyes"
1065 # The user tried to force us to use the library, but we
1066 # couldn't find the header file; report an error.
1068 AC_MSG_ERROR(Header file portaudio.h not found.)
1071 # We couldn't find the header file; don't use the
1072 # library, as it's probably not present.
1080 # Check whether we have the right version of portaudio
1082 if test "x$want_portaudio" != "xno"
1084 AC_CHECK_TYPE(PortAudioStream,
1085 AC_DEFINE(PORTAUDIO_API_1, 1, [Define if we are using version of of the Portaudio library API]),
1087 [#include <portaudio.h>])
1090 if test "x$want_portaudio" != "xno"
1093 # Well, we at least have the portaudio header file.
1095 # let's check if the libs are there
1098 AC_CHECK_LIB(portaudio, Pa_Initialize,
1100 if test "x$portaudio_dir" != "x"
1103 # Put the "-I" and "-L" flags for portaudio
1104 # into PORTAUDIO_INCLUDES and PORTAUDIO_LIBS,
1107 PORTAUDIO_LIBS="-L$portaudio_dir/lib -lportaudio"
1108 PORTAUDIO_INCLUDES="-I$portaudio_dir/include"
1110 PORTAUDIO_LIBS="-lportaudio"
1111 PORTAUDIO_INCLUDES=""
1113 AC_DEFINE(HAVE_LIBPORTAUDIO, 1, [Define to use libportaudio library])
1117 # Restore the versions of CPPFLAGS, LDFLAGS, and
1118 # LIBS before we added the "--with-portaudio="
1119 # directory, as we didn't actually find portaudio
1122 CPPFLAGS="$wireshark_save_CPPFLAGS"
1123 LDFLAGS="$wireshark_save_LDFLAGS"
1124 LIBS="$wireshark_save_LIBS"
1126 # User requested --with-portaudio but it isn't available
1127 if test "x$want_portaudio" = "xyes"
1129 AC_MSG_ERROR(Linking with libportaudio failed.)
1134 CPPFLAGS="$wireshark_save_CPPFLAGS"
1135 LDFLAGS="$wireshark_save_LDFLAGS"
1136 LIBS="$wireshark_save_LIBS"
1137 AC_SUBST(PORTAUDIO_LIBS)
1138 AC_SUBST(PORTAUDIO_INCLUDES)
1144 # AC_WIRESHARK_RPM_CHECK
1145 # Looks for the rpm program, and checks to see if we can redefine "_topdir".
1147 AC_DEFUN([AC_WIRESHARK_RPM_CHECK],
1149 AC_CHECK_PROG(ac_cv_wireshark_have_rpm, rpm, "yes", "no")
1150 if test "x$ac_cv_wireshark_have_rpm" = "xyes"; then
1151 rpm --define '_topdir /tmp' > /dev/null 2>&1
1152 AC_MSG_CHECKING(to see if we can redefine _topdir)
1153 if test $? -eq 0 ; then
1157 AC_MSG_RESULT(no. You'll have to build packages manually.)
1164 # AC_WIRESHARK_GNU_SED_CHECK
1165 # Checks if GNU sed is the first sed in PATH.
1167 AC_DEFUN([AC_WIRESHARK_GNU_SED_CHECK],
1169 AC_MSG_CHECKING(for GNU sed as first sed in PATH)
1170 if ( sh -c "sed --version" </dev/null 2> /dev/null | grep "GNU sed" 2>&1 > /dev/null ) ; then
1180 # AC_WIRESHARK_C_ARES_CHECK
1182 AC_DEFUN([AC_WIRESHARK_C_ARES_CHECK],
1184 want_c_ares=defaultyes
1186 if test "x$want_c_ares" = "xdefaultyes"; then
1188 if test "x$ac_cv_enable_usr_local" = "xyes" ; then
1190 if test -d "$withval"; then
1191 AC_WIRESHARK_ADD_DASH_L(LDFLAGS, ${withval}/lib)
1196 if test "x$want_c_ares" = "xyes"; then
1197 AC_CHECK_LIB(cares, ares_init,
1200 AC_DEFINE(HAVE_C_ARES, 1, [Define to use c-ares library])
1201 have_good_c_ares=yes
1202 ],, $SOCKET_LIBS $NSL_LIBS
1205 AC_MSG_RESULT(not required)
1211 # AC_WIRESHARK_ADNS_CHECK
1213 AC_DEFUN([AC_WIRESHARK_ADNS_CHECK],
1215 want_adns=defaultyes
1217 if test "x$want_adns" = "xdefaultyes"; then
1219 if test "x$ac_cv_enable_usr_local" = "xyes" ; then
1221 if test -d "$withval"; then
1222 AC_WIRESHARK_ADD_DASH_L(LDFLAGS, ${withval}/lib)
1227 if test "x$want_adns" = "xyes"; then
1228 AC_CHECK_LIB(adns, adns_init,
1231 AC_DEFINE(HAVE_GNU_ADNS, 1, [Define to use GNU ADNS library])
1233 ],, $SOCKET_LIBS $NSL_LIBS
1236 AC_MSG_RESULT(not required)
1242 # AC_WIRESHARK_LIBCAP_CHECK
1244 AC_DEFUN([AC_WIRESHARK_LIBCAP_CHECK],
1246 want_libcap=defaultyes
1248 if test "x$want_libcap" = "xdefaultyes"; then
1250 if test "x$ac_cv_enable_usr_local" = "xyes" ; then
1252 if test -d "$withval"; then
1253 AC_WIRESHARK_ADD_DASH_L(LDFLAGS, ${withval}/lib)
1258 if test "x$want_libcap" = "xyes"; then
1259 AC_CHECK_LIB(cap, cap_set_flag,
1262 AC_DEFINE(HAVE_LIBCAP, 1, [Define to use the libcap library])
1263 have_good_libcap=yes
1267 AC_MSG_RESULT(not required)
1273 # AC_WIRESHARK_KRB5_CHECK
1275 AC_DEFUN([AC_WIRESHARK_KRB5_CHECK],
1277 wireshark_save_CPPFLAGS="$CPPFLAGS"
1278 if test "x$krb5_dir" != "x"
1281 # The user specified a directory in which kerberos resides,
1282 # so add the "include" subdirectory of that directory to
1283 # the include file search path and the "lib" subdirectory
1284 # of that directory to the library search path.
1286 # XXX - if there's also a kerberos in a directory that's
1287 # already in CPPFLAGS or LDFLAGS, this won't make us find
1288 # the version in the specified directory, as the compiler
1289 # and/or linker will search that other directory before it
1290 # searches the specified directory.
1292 CPPFLAGS="$CPPFLAGS -I$krb5_dir/include"
1293 ac_heimdal_version=`grep heimdal $krb5_dir/include/krb5.h | head -n 1 | sed 's/^.*heimdal.*$/HEIMDAL/'`
1294 # MIT Kerberos moved krb5.h to krb5/krb5.h starting with release 1.5
1295 ac_mit_version_olddir=`grep 'Massachusetts' $krb5_dir/include/krb5.h | head -n 1 | sed 's/^.*Massachusetts.*$/MIT/'`
1296 ac_mit_version_newdir=`grep 'Massachusetts' $krb5_dir/include/krb5/krb5.h | head -n 1 | sed 's/^.*Massachusetts.*$/MIT/'`
1297 ac_krb5_version="$ac_heimdal_version$ac_mit_version_olddir$ac_mit_version_newdir"
1298 if test "x$ac_krb5_version" = "xHEIMDAL"
1300 KRB5_LIBS="-L$krb5_dir/lib -lkrb5 -lasn1 $SSL_LIBS -lroken -lcrypt"
1302 KRB5_LIBS="-L$krb5_dir/lib -lkrb5 -lk5crypto -lcom_err"
1304 if test "x$ac_krb5_version" = "xMIT"
1306 AC_DEFINE(HAVE_MIT_KERBEROS, 1, [Define to use MIT kerberos])
1309 AC_PATH_PROG(KRB5_CONFIG, krb5-config)
1310 if test -x "$KRB5_CONFIG"
1312 KRB5_FLAGS=`"$KRB5_CONFIG" --cflags`
1313 KRB5_LIBS=`"$KRB5_CONFIG" --libs`
1314 CPPFLAGS="$CPPFLAGS $KRB5_FLAGS"
1316 # If -lcrypto is in KRB5_FLAGS, we require it to build
1317 # with Heimdal/MIT. We don't want to built with it by
1318 # default, due to annoying license incompatibilities
1319 # between the OpenSSL license and the GPL, so:
1321 # if SSL_LIBS is set to a non-empty string, we
1322 # remove -lcrypto from KRB5_LIBS and replace
1325 # if SSL_LIBS is not set to a non-empty string
1326 # we fail with an appropriate error message.
1328 case "$KRB5_LIBS" in
1330 if test ! -z "$SSL_LIBS"
1332 KRB5_LIBS=`echo $KRB5_LIBS | sed 's/-lcrypto//'`
1333 KRB5_LIBS="$KRB5_LIBS $SSL_LIBS"
1335 AC_MSG_ERROR([Kerberos library requires -lcrypto, so you must specify --with-ssl])
1339 ac_krb5_version=`"$KRB5_CONFIG" --version | head -n 1 | sed -e 's/^.*heimdal.*$/HEIMDAL/' -e 's/^Kerberos .*$/MIT/' -e 's/^Solaris Kerberos .*$/MIT/'`
1344 # Make sure we have "krb5.h". If we don't, it means we probably
1345 # don't have kerberos, so don't use it.
1347 AC_CHECK_HEADER(krb5.h,,
1349 if test "x$krb5_dir" != "x"
1352 # The user used "--with-krb5=" to specify a directory
1353 # containing kerberos, but we didn't find the header file
1354 # there; that either means they didn't specify the
1355 # right directory or are confused about whether kerberos
1356 # is, in fact, installed. Report the error and give up.
1358 AC_MSG_ERROR([kerberos header not found in directory specified in --with-krb5])
1360 if test "x$want_krb5" = "xyes"
1363 # The user tried to force us to use the library, but we
1364 # couldn't find the header file; report an error.
1366 AC_MSG_ERROR(Header file krb5.h not found.)
1369 # We couldn't find the header file; don't use the
1370 # library, as it's probably not present.
1373 AC_MSG_RESULT(No Heimdal or MIT header found - disabling dissection for some kerberos data in packet decoding)
1378 if test "x$want_krb5" != "xno"
1381 # Well, we at least have the krb5 header file.
1382 # Check whether this is Heimdal or MIT.
1384 AC_MSG_CHECKING(whether the Kerberos library is Heimdal or MIT)
1385 if test "x$ac_krb5_version" = "xHEIMDAL" -o "x$ac_krb5_version" = "xMIT"
1389 # Check whether we have krb5_kt_resolve - and whether
1390 # we need to link with -lresolv when linking with
1391 # the Kerberos library.
1393 AC_MSG_RESULT($ac_krb5_version)
1394 wireshark_save_LIBS="$LIBS"
1395 found_krb5_kt_resolve=no
1396 for extras in "" "-lresolv"
1398 LIBS="$KRB5_LIBS $extras"
1399 if test -z "$extras"
1401 AC_MSG_CHECKING([whether $ac_krb5_version includes krb5_kt_resolve])
1403 AC_MSG_CHECKING([whether $ac_krb5_version includes krb5_kt_resolve (linking with $extras)])
1413 # We found "krb5_kt_resolve()", and required
1414 # the libraries in extras as well.
1418 AC_DEFINE(HAVE_KERBEROS, 1, [Define to use kerberos])
1419 if test "x$ac_krb5_version" = "xHEIMDAL"
1421 AC_DEFINE(HAVE_HEIMDAL_KERBEROS, 1, [Define to use heimdal kerberos])
1422 elif test "x$ac_krb5_version" = "xMIT"
1424 AC_DEFINE(HAVE_MIT_KERBEROS, 1, [Define to use MIT kerberos])
1426 found_krb5_kt_resolve=yes
1433 if test "$found_krb5_kt_resolve" = no
1436 # We didn't find "krb5_kt_resolve()" in the
1437 # Kerberos library, even when we tried linking
1438 # with -lresolv; we can't link with kerberos.
1440 if test "x$want_krb5" = "xyes"
1443 # The user tried to force us to use the library,
1444 # but we can't do so; report an error.
1446 AC_MSG_ERROR(Usable $ac_krb5_version not found)
1449 # Restore the versions of CPPFLAGS from before we
1450 # added the flags for Kerberos.
1452 AC_MSG_RESULT(Usable $ac_krb5_version not found - disabling dissection for some kerberos data in packet decoding)
1453 CPPFLAGS="$wireshark_save_CPPFLAGS"
1459 # We can link with Kerberos; see whether krb5.h
1460 # defines KEYTYPE_ARCFOUR_56 (where "defines" means
1461 # "as a #define or as an enum member).
1463 AC_MSG_CHECKING([whether krb5.h defines KEYTYPE_ARCFOUR_56])
1473 printf("%u\n", KEYTYPE_ARCFOUR_56);
1479 AC_DEFINE(HAVE_KEYTYPE_ARCFOUR_56, 1, [Define if krb5.h defines KEYTYPE_ARCFOUR_56])
1485 LIBS="$wireshark_save_LIBS"
1488 # It's not Heimdal or MIT.
1491 if test "x$want_krb5" = "xyes"
1494 # The user tried to force us to use the library,
1495 # but we can't do so; report an error.
1497 AC_MSG_ERROR(Kerberos not found)
1500 # Restore the versions of CPPFLAGS from before we
1501 # added the flags for Kerberos.
1503 AC_MSG_RESULT(Kerberos not found - disabling dissection for some kerberos data in packet decoding)
1504 CPPFLAGS="$wireshark_save_CPPFLAGS"
1511 # The user asked us not to use Kerberos, or they didn't
1512 # say whether they wanted us to use it but we found
1515 # Restore the versions of CPPFLAGS from before we added
1516 # the flags for Kerberos.
1518 CPPFLAGS="$wireshark_save_CPPFLAGS"
1526 # AC_WIRESHARK_GEOIP_CHECK
1528 AC_DEFUN([AC_WIRESHARK_GEOIP_CHECK],
1530 want_geoip=defaultyes
1532 if test "x$want_geoip" = "xdefaultyes"; then
1534 if test "x$ac_cv_enable_usr_local" = "xyes" ; then
1536 if test -d "$withval"; then
1537 AC_WIRESHARK_ADD_DASH_L(LDFLAGS, ${withval}/lib)
1542 if test "x$want_geoip" = "xyes"; then
1543 AC_CHECK_LIB(GeoIP, GeoIP_new,
1546 AC_DEFINE(HAVE_GEOIP, 1, [Define to use GeoIP library])
1550 if test "x$have_good_geoip" = "xyes"; then
1551 AC_CHECK_LIB(GeoIP, GeoIP_country_name_by_ipnum_v6,
1553 AC_DEFINE(HAVE_GEOIP_V6, 1, [Define if GeoIP supports IPv6 (GeoIP 1.4.5 and later)])
1558 AC_MSG_RESULT(not required)
1562 #AC_WIRESHARK_LDFLAGS_CHECK
1564 # $1 : ldflag(s) to test
1566 # We attempt to compile and link a test program with the specified linker
1567 # flag. The defined flag is added to LDFLAGS only if the link succeeds.
1569 AC_DEFUN([AC_WIRESHARK_LDFLAGS_CHECK],
1571 AC_MSG_CHECKING(whether we can add $LD_OPTION to LDFLAGS)
1572 LDFLAGS_saved="$LDFLAGS"
1573 LDFLAGS="$LDFLAGS $LD_OPTION"
1576 AC_LANG_SOURCE([[main() { return; }]])
1583 LDFLAGS="$LDFLAGS_saved"
1588 dnl Check whether, if you pass an unknown warning option to the
1589 dnl compiler, it fails or just prints a warning message and succeeds.
1590 dnl Set ac_wireshark_unknown_warning_option_error to the appropriate flag
1591 dnl to force an error if it would otherwise just print a warning message
1594 AC_DEFUN([AC_WIRESHARK_CHECK_UNKNOWN_WARNING_OPTION_ERROR],
1596 AC_MSG_CHECKING([whether the compiler fails when given an unknown warning option])
1597 save_CFLAGS="$CFLAGS"
1598 CFLAGS="$CFLAGS -Wxyzzy-this-will-never-succeed-xyzzy"
1603 AC_MSG_RESULT([no, adding -Werror=unknown-warning-option])
1605 # We're assuming this is clang, where
1606 # -Werror=unknown-warning-option is the appropriate
1607 # option to force the compiler to fail.
1609 ac_wireshark_unknown_warning_option_error="-Werror=unknown-warning-option"
1612 AC_MSG_RESULT([yes])
1614 CFLAGS="$save_CFLAGS"
1618 dnl Check whether, if you pass a valid-for-C-but-not-C++ option to the
1619 dnl compiler, it fails or just prints a warning message and succeeds.
1620 dnl Set ac_wireshark_non_cxx_warning_option_error to the appropriate flag
1621 dnl to force an error if it would otherwise just print a warning message
1624 AC_DEFUN([AC_WIRESHARK_CHECK_NON_CXX_WARNING_OPTION_ERROR],
1626 AC_MSG_CHECKING([whether the compiler fails when given an warning option not supported for C++])
1628 # Some C+ compilers warn about -Wmissing-prototypes, and some warn
1629 # about -Wmissing-declarations. Check both.
1632 save_CXXFLAGS="$CXXFLAGS"
1633 for flag in -Wmissing-prototypes -Wmissing-declarations; do
1634 CXXFLAGS="$save_CXXFLAGS $flag"
1640 # We're assuming this is g++, where -Werror is the
1641 # appropriate option to force the compiler to fail.
1642 # Check whether it fails with -Werror.
1644 # NOTE: it's important to put -Werror *before*
1645 # the flag, otherwise, when it sees the flag,
1646 # it doesn't yet know that warnings should be
1647 # treated as errors, and doesn't treat the
1648 # "that's C-only" warning as an error.
1650 CXXFLAGS="$save_CXXFLAGS -Werror $flag"
1656 # No, so this option is actually OK
1657 # with our C++ compiler.
1659 # (We need an empty command here to
1660 # prevent some versions of autoconf
1661 # from generating a script with an
1662 # empty "then" clause for an if statement.)
1668 # Yes, so we need -Werror for the tests.
1670 ac_wireshark_non_cxx_warning_option_error="-Werror"
1675 CXXFLAGS="$save_CXXFLAGS"
1677 if test x$ac_wireshark_non_cxx_warning_option_error = x; then
1678 AC_MSG_RESULT([yes])
1680 AC_MSG_RESULT([no, adding -Werror])
1685 # AC_WIRESHARK_COMPILER_FLAGS_CHECK
1687 # $1 : flags to test
1688 # $2 : if supplied, C for C-only flags, CXX for C++-only flags
1689 # $3 : if supplied, a program to try to compile with the flag
1690 # and, if the compile fails when -Werror is turned on,
1691 # we don't add the flag - used for warning flags that
1692 # issue incorrect or non-useful warnings with some
1694 # $4 : must be supplied if $3 is supplied - a message describing
1695 # for what the test program is testing
1697 # The macro first determines if the compiler supports GCC-style flags.
1698 # Then it attempts to compile with the defined cflags. The defined
1699 # flags are added to CFLAGS only if the compilation succeeds.
1701 # We do this because not all such options are necessarily supported by
1702 # the version of the particular compiler we're using.
1704 AC_DEFUN([AC_WIRESHARK_COMPILER_FLAGS_CHECK],
1706 can_add_to_cflags=""
1707 can_add_to_cxxflags=""
1708 if test "x$ac_supports_gcc_flags" = "xyes" ; then
1709 if test "$2" != CXX ; then
1711 # Not C++-only; if this can be added to the C compiler flags, add them.
1713 # If the option begins with "-W", add
1714 # $ac_wireshark_unknown_warning_option_error to make sure that
1715 # we'll get an error if it's an unknown warning option; not all
1716 # compilers treat unknown warning options as errors (I'm looking at
1719 # If the option begins with "-f" or "-m", add -Werror to make sure
1720 # that we'll get an error if we get "argument unused during compilation"
1721 # warnings, as those will either cause a failure for files compiled
1722 # with -Werror or annoying noise for files compiled without it.
1723 # (Yeah, you, clang.)
1725 AC_MSG_CHECKING(whether we can add $GCC_OPTION to CFLAGS)
1726 CFLAGS_saved="$CFLAGS"
1727 if expr "x$GCC_OPTION" : "x-W.*" >/dev/null
1729 CFLAGS="$CFLAGS $ac_wireshark_unknown_warning_option_error $GCC_OPTION"
1730 elif expr "x$GCC_OPTION" : "x-f.*" >/dev/null
1732 CFLAGS="$CFLAGS -Werror $GCC_OPTION"
1733 elif expr "x$GCC_OPTION" : "x-m.*" >/dev/null
1735 CFLAGS="$CFLAGS -Werror $GCC_OPTION"
1737 CFLAGS="$CFLAGS $GCC_OPTION"
1741 AC_LANG_SOURCE([[int foo;]])
1745 can_add_to_cflags=yes
1747 # OK, do we have a test program? If so, check
1748 # whether it fails with this option and -Werror,
1749 # and, if so, don't include it.
1751 # We test arg 4 here because arg 3 is a program which
1752 # could contain quotes (breaking the comparison).
1754 if test "x$4" != "x" ; then
1755 CFLAGS="$CFLAGS -Werror"
1756 AC_MSG_CHECKING(whether $GCC_OPTION $4)
1758 [AC_LANG_SOURCE($3)],
1762 # Remove "force an error for a warning" options, if we
1763 # added them, by setting CFLAGS to the saved value plus
1764 # just the new option.
1766 CFLAGS="$CFLAGS_saved $GCC_OPTION"
1768 # Add it to the flags we use when building build tools.
1770 CFLAGS_FOR_BUILD="$CFLAGS_FOR_BUILD $GCC_OPTION"
1774 CFLAGS="$CFLAGS_saved"
1778 # Remove "force an error for a warning" options, if we
1779 # added them, by setting CFLAGS to the saved value plus
1780 # just the new option.
1782 CFLAGS="$CFLAGS_saved $GCC_OPTION"
1784 # Add it to the flags we use when building build tools.
1786 CFLAGS_FOR_BUILD="$CFLAGS_FOR_BUILD $GCC_OPTION"
1791 can_add_to_cflags=no
1792 CFLAGS="$CFLAGS_saved"
1795 if test "$2" != C ; then
1797 # Not C-only; if this can be added to the C++ compiler flags, add them.
1799 # If the option begins with "-W", add
1800 # $ac_wireshark_unknown_warning_option_error, as per the above, and
1801 # also add $ac_wireshark_non_cxx_warning_option_error, because at
1802 # lease some versions of g++ whine about -Wmissing-prototypes, the
1803 # fact that at least one of those versions refuses to warn about
1804 # function declarations without an earlier declaration nonwithstanding;
1805 # perhaps there's a reason not to warn about that with C++ even though
1806 # warning about it can be a Good Idea with C, but it's not obvious to
1809 # If the option begins with "-f" or "-m", add -Werror to make sure
1810 # that we'll get an error if we get "argument unused during compilation"
1811 # warnings, as those will either cause a failure for files compiled
1812 # with -Werror or annoying noise for files compiled without it.
1813 # (Yeah, you, clang++.)
1815 AC_MSG_CHECKING(whether we can add $GCC_OPTION to CXXFLAGS)
1816 CXXFLAGS_saved="$CXXFLAGS"
1817 if expr "x$GCC_OPTION" : "x-W.*" >/dev/null
1819 CXXFLAGS="$CXXFLAGS $ac_wireshark_unknown_warning_option_error $ac_wireshark_non_cxx_warning_option_error $GCC_OPTION"
1820 elif expr "x$GCC_OPTION" : "x-f.*" >/dev/null
1822 CXXFLAGS="$CXXFLAGS -Werror $GCC_OPTION"
1823 elif expr "x$GCC_OPTION" : "x-m.*" >/dev/null
1825 CXXFLAGS="$CXXFLAGS -Werror $GCC_OPTION"
1827 CXXFLAGS="$CXXFLAGS $GCC_OPTION"
1832 AC_LANG_SOURCE([[int foo;]])
1836 can_add_to_cxxflags=yes
1838 # OK, do we have a test program? If so, check
1839 # whether it fails with this option and -Werror,
1840 # and, if so, don't include it.
1842 # We test arg 4 here because arg 3 is a program which
1843 # could contain quotes (breaking the comparison).
1845 if test "x$4" != "x" ; then
1846 CXXFLAGS="$CXXFLAGS -Werror"
1847 AC_MSG_CHECKING(whether $GCC_OPTION $4)
1849 [AC_LANG_SOURCE($3)],
1853 # Remove "force an error for a warning" options, if we
1854 # added them, by setting CXXFLAGS to the saved value plus
1855 # just the new option.
1857 CXXFLAGS="$CXXFLAGS_saved $GCC_OPTION"
1861 CXXFLAGS="$CXXFLAGS_saved"
1865 # Remove "force an error for a warning" options, if we
1866 # added them, by setting CXXFLAGS to the saved value plus
1867 # just the new option.
1869 CXXFLAGS="$CXXFLAGS_saved $GCC_OPTION"
1874 can_add_to_cxxflags=no
1875 CXXFLAGS="$CXXFLAGS_saved"
1879 if test "(" "$can_add_to_cflags" = "yes" -a "$can_add_to_cxxflags" = "no" ")" \
1880 -o "(" "$can_add_to_cflags" = "no" -a "$can_add_to_cxxflags" = "yes" ")"
1883 # Confusingly, some C++ compilers like -Wmissing-prototypes but
1884 # don't like -Wmissing-declarations and others like
1885 # -Wmissing-declarations but don't like -Wmissing-prototypes,
1886 # the fact that the corresponding C compiler likes both. Don't
1889 if test "(" x$GCC_OPTION != x-Wmissing-prototypes ")" \
1890 -a "(" x$GCC_OPTION != x-Wmissing-declarations ")"
1892 AC_MSG_WARN([$CC and $CXX appear to be a mismatched pair])
1898 # AC_WIRESHARK_GCC_FORTIFY_SOURCE_CHECK
1900 # Checks if '-D_FORTIFY_SOURCE=...' is OK to use in CPPFLAGS.
1901 # Use '-D_FORTIFY_SOURCE=...' in CPPFLAGS only if the GCC 'optimization level' is > 0.
1902 # The use of '-D_FORTIFY_SOURCE=...' will cause a warning with at least some versions
1903 # of glibc if the GCC "optimization level" is 0 (default or -O or -O0)
1904 # when using GCC to compile a source file which references the macro definition.
1906 # See: http://gcc.gnu.org/ml/gcc-patches/2004-09/msg02055.html
1907 # See: http://sourceware.org/bugzilla/show_bug.cgi?id=13979
1909 # We'll use '-D_FORTIFY_SOURCE=2' only if there's no warning; Among other things this means
1910 # that the use of '-D_FORTIFY_SOURCE=2' with '-Werror' and '-O0' won't cause
1911 # the compiler to stop on error.
1912 # Assumption: CFLAGS already contains whatever optimization option including none) is
1916 AC_DEFUN([AC_WIRESHARK_GCC_FORTIFY_SOURCE_CHECK],
1918 if test "x$GCC" = "xyes" -o "x$CC" = "xclang" ; then
1919 AC_MSG_CHECKING([whether -D_FORTIFY_SOURCE=... can be used (without generating a warning)])
1920 CFLAGS_saved="$CFLAGS"
1921 CPPFLAGS_saved="$CPPFLAGS"
1922 CFLAGS="$CFLAGS -Werror"
1923 CPPFLAGS="$CPPFLAGS -D_FORTIFY_SOURCE=2"
1932 # (CPPFLAGS contains _D_FORTIFY_SOURCE=2)
1937 # Remove -D_FORTIFY_SOURCE=2
1938 CPPFLAGS="$CPPFLAGS_saved"
1940 CFLAGS="$CFLAGS_saved"
1945 # AC_WIRESHARK_OSX_INTEGRATION_CHECK
1947 # Checks for the presence of OS X integration functions in the GTK+ framework
1948 # or as a separate library.
1950 # GTK+ for MAC OS X now lives on www.gtk.org at:
1952 # http://www.gtk.org/download/macos.php
1954 # Details on building with GTK-OSX are available at:
1956 # http://live.gnome.org/GTK%2B/OSX/Building
1958 # The GTK-OSX library has been renamed to gtkmacintegration.
1959 # It was previously named igemacintegration.
1961 # http://live.gnome.org/GTK%2B/OSX/Integration
1962 # for the old Carbon-based integration functions
1964 AC_DEFUN([AC_WIRESHARK_OSX_INTEGRATION_CHECK],
1966 ac_save_CFLAGS="$CFLAGS"
1967 ac_save_LIBS="$LIBS"
1968 CFLAGS="$CFLAGS $GTK_CFLAGS"
1969 LIBS="$GTK_LIBS $LIBS"
1972 # Check for the new integration functions in a -lgtkmacintegration
1975 AC_CHECK_LIB(gtkmacintegration, gtkosx_application_set_menu_bar,
1977 AC_DEFINE(HAVE_GTKOSXAPPLICATION, 1,
1978 [Define to 1 if -lgtkmacintegration includes the GtkOSXApplication Integration functions.])
1980 # We don't want gtk stuff in LIBS (which is reset below) so
1981 # manually set GTK_LIBS (which is more appropriate)
1982 GTK_LIBS="$GTK_LIBS -lgtkmacintegration"
1985 if test x$have_ige_mac = x
1988 # Not found - check for the old integration functions in
1989 # the Gtk framework.
1991 AC_CHECK_LIB(Gtk, gtk_mac_menu_set_menu_bar,
1993 AC_DEFINE(HAVE_IGE_MAC_INTEGRATION, 1,
1994 [Define to 1 if the the Gtk+ framework or a separate library includes the Imendio IGE Mac OS X Integration functions.])
1996 # We don't want gtk stuff in LIBS (which is reset below) so
1997 # manually set GTK_LIBS (which is more appropriate)
1998 GTK_LIBS="$GTK_LIBS -lGtk"
2002 if test x$have_ige_mac = x
2005 # Not found - check for the old integration functions in
2006 # a -lgtkmacintegration library.
2008 AC_CHECK_LIB(gtkmacintegration, gtk_mac_menu_set_menu_bar,
2010 AC_DEFINE(HAVE_IGE_MAC_INTEGRATION, 1,
2011 [Define to 1 if the the Gtk+ framework or a separate library includes the Imendio IGE Mac OS X Integration functions.])
2013 # We don't want gtk stuff in LIBS (which is reset below) so
2014 # manually set GTK_LIBS (which is more appropriate)
2015 GTK_LIBS="$GTK_LIBS -lgtkmacintegration"
2018 CFLAGS="$ac_save_CFLAGS"
2019 LIBS="$ac_save_LIBS"
2022 # Based on AM_PATH_GTK in gtk-2.0.m4.
2024 dnl AC_WIRESHARK_QT_MODULE_CHECK([MODULE, MINIMUM-VERSION, [ACTION-IF-FOUND,
2025 dnl [ACTION-IF-NOT-FOUND]]])
2026 dnl Test for a particular Qt module and add the flags and libraries
2027 dnl for it to Qt_CFLAGS and Qt_LIBS.
2029 AC_DEFUN([AC_WIRESHARK_QT_MODULE_CHECK],
2032 # Version of the module we're checking for.
2035 min_qt_version=ifelse([$2], ,4.0.0,$2)
2038 # Prior to Qt 5, modules were named QtXXX.
2039 # In Qt 5, they're named Qt5XXX.
2041 # Try the Qt 5 version first.
2042 # (And be prepared to add Qt6 at some point....)
2044 for modprefix in Qt5 Qt
2046 pkg_config_module="${modprefix}$1"
2047 AC_MSG_CHECKING(for $pkg_config_module - version >= $min_qt_version)
2048 if $PKG_CONFIG --atleast-version $min_qt_version $pkg_config_module; then
2049 mod_version=`$PKG_CONFIG --modversion $pkg_config_module`
2050 AC_MSG_RESULT(yes (version $mod_version))
2051 Qt_CFLAGS="$Qt_CFLAGS `$PKG_CONFIG --cflags $pkg_config_module`"
2052 Qt_LIBS="$Qt_LIBS `$PKG_CONFIG --libs $pkg_config_module`"
2060 if test "x$found_$1" = "xyes"; then
2061 # Run Action-If-Found
2062 ifelse([$3], , :, [$3])
2064 # Run Action-If-Not-Found
2065 ifelse([$4], , :, [$4])
2069 dnl AC_WIRESHARK_QT_CHECK([MINIMUM-VERSION, [ACTION-IF-FOUND,
2070 dnl [ACTION-IF-NOT-FOUND]]])
2071 dnl Test for Qt and define Qt_CFLAGS and Qt_LIBS.
2073 AC_DEFUN([AC_WIRESHARK_QT_CHECK],
2077 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
2079 if test x$PKG_CONFIG != xno ; then
2080 if pkg-config --atleast-pkgconfig-version 0.7 ; then
2083 echo *** pkg-config too old; version 0.7 or better required.
2091 if test x"$no_qt" = x ; then
2093 # OK, we have an adequate version of pkg-config.
2095 # Check for the Core module; if we don't have that,
2098 AC_WIRESHARK_QT_MODULE_CHECK(Core, $1, , [no_qt=yes])
2101 if test x"$no_qt" = x ; then
2103 # We need the Gui module as well.
2105 AC_WIRESHARK_QT_MODULE_CHECK(Gui, $1, , [no_qt=yes])
2108 if test x"$no_qt" = x ; then
2110 # Qt 5.0 appears to move the widgets out of Qt GUI
2111 # to Qt Widgets; look for the Widgets module, but
2112 # don't fail if we don't have it.
2114 AC_WIRESHARK_QT_MODULE_CHECK(Widgets, $1)
2117 # Qt 5.0 also appears to move the printing support into
2118 # the Qt PrintSupport module.
2120 AC_WIRESHARK_QT_MODULE_CHECK(PrintSupport, $1)
2123 # Qt 5.0 added multimedia widgets in the Qt
2124 # MultimediaWidgets module.
2126 AC_WIRESHARK_QT_MODULE_CHECK(MultimediaWidgets, $1,
2127 AC_DEFINE(QT_MULTIMEDIAWIDGETS_LIB, 1, [Define if we have QtMultimediaWidgets]))
2130 # While we're at it, look for QtMacExtras. (Presumably
2131 # if we're not building for OS X, it won't be present.)
2133 # XXX - is there anything in QtX11Extras or QtWinExtras
2134 # that we should be using?
2136 AC_WIRESHARK_QT_MODULE_CHECK(MacExtras, $1,
2137 AC_DEFINE(QT_MACEXTRAS_LIB, 1, [Define if we have QtMacExtras]))
2141 # Run Action-If-Found
2142 ifelse([$2], , :, [$2])
2144 # Run Action-If-Not-Found
2145 ifelse([$3], , :, [$3])