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 $ac_cv_wireshark_struct_sa_len = yes; then
147 AC_DEFINE(HAVE_SA_LEN, 1, [Define if sa_len field exists in struct sockaddr])
153 # AC_WIRESHARK_IPV6_STACK
155 # By Jun-ichiro "itojun" Hagino, <itojun@iijlab.net>
157 AC_DEFUN([AC_WIRESHARK_IPV6_STACK],
162 AC_MSG_CHECKING([ipv6 stack type])
163 for i in v6d toshiba kame inria zeta linux linux-glibc solaris8; do
167 #include </usr/local/v6/include/sys/types.h>
171 [v6type=$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" && test "`uname -r`" = "5.8"; then
235 [CPPFLAGS="-DINET6 -DSOLARIS8_INET6 $CPPFLAGS"]
239 if test "$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 $LIBS"
516 AC_CHECK_FUNCS(pcap_open_dead pcap_freecode)
518 # pcap_breakloop may be present in the library but not declared
519 # in the pcap.h header file. If it's not declared in the header
520 # file, attempts to use it will get warnings, and, if we're
521 # building with warnings treated as errors, that warning will
522 # cause compilation to fail.
524 # We are therefore first testing whether the function is present
525 # and then, if we're compiling with warnings as errors, testing
526 # whether it is usable. It is usable if it compiles without
527 # a -Wimplicit warning (the "compile with warnings as errors"
528 # option requires GCC). If it is not usable, we fail and tell
529 # the user that the pcap.h header needs to be updated.
531 # Ceteris paribus, this should only happen with Mac OS X 10.3[.x] which
532 # can have an up-to-date pcap library without the corresponding pcap
535 # However, it might also happen on some others OSes with some erroneous
536 # system manipulations where multiple versions of libcap might co-exist
537 # e.g. hand made symbolic link from libpcap.so -> libpcap.so.0.8 but
538 # having the pcap header version 0.7.
540 AC_MSG_CHECKING([whether pcap_breakloop is present])
541 ac_CFLAGS_saved="$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 ${lua_ver})
799 # The user specified no directory in which liblua resides,
800 # so just add "-llua -lliblua" to the used libs.
802 wireshark_save_CPPFLAGS="$CPPFLAGS"
803 wireshark_save_LDFLAGS="$LDFLAGS"
804 wireshark_save_LIBS="$LIBS"
805 LIBS="$LIBS -llua -lm"
809 # Make sure we have "lua.h", "lualib.h" and "lauxlib.h". If we don't, it means we probably
810 # don't have liblua, so don't use it.
812 AC_CHECK_HEADERS(lua.h lualib.h lauxlib.h,,
814 AC_CHECK_HEADERS(lua${lua_ver}/lua.h lua${lua_ver}/lualib.h lua${lua_ver}/lauxlib.h,
816 if test "x$lua_dir" != "x"
818 LUA_INCLUDES="-I$lua_dir/include/lua${lua_ver}"
821 # The user didn't specify a directory in which liblua resides;
822 # we must look for the headers in a "lua${lua_ver}" subdirectory of
823 # "/usr/include", "/usr/local/include", or "$prefix/include"
824 # as some systems apparently put the headers in a "lua${lua_ver}"
826 AC_MSG_CHECKING(for extraneous lua header directories)
828 lua_dir_list="/usr/include/lua${lua_ver} $prefix/include/lua${lua_ver}"
829 if test "x$ac_cv_enable_usr_local" = "xyes"
831 lua_dir_list="$lua_dir_list /usr/local/include/lua${lua_ver}"
833 for lua_dir_ent in $lua_dir_list
835 if test -d $lua_dir_ent
837 LUA_INCLUDES="-I$lua_dir_ent"
838 found_lua_dir="$lua_dir_ent"
843 if test "x$found_lua_dir" != "x"
845 AC_MSG_RESULT(found -- $found_lua_dir)
847 AC_MSG_RESULT(not found)
849 # Restore the versions of CPPFLAGS,
850 # LDFLAGS, and LIBS before we added the
851 # "--with-lua=" directory, as we didn't
852 # actually find lua there.
854 CPPFLAGS="$wireshark_save_CPPFLAGS"
855 LDFLAGS="$wireshark_save_LDFLAGS"
856 LIBS="$wireshark_save_LIBS"
858 if test "x$want_lua" = "xyes"
860 # we found lua${lua_ver}/lua.h, but we don't know which include dir contains it
861 AC_MSG_ERROR(Header file lua.h was found as lua${lua_ver}/lua.h but we can't locate the include directory. Please set the DIR for the --with-lua configure parameter.)
864 # We couldn't find the header file; don't use the
865 # library, as it's probably not present.
874 # Restore the versions of CPPFLAGS, LDFLAGS,
875 # and LIBS before we added the "--with-lua="
876 # directory, as we didn't actually find lua
879 CPPFLAGS="$wireshark_save_CPPFLAGS"
880 LDFLAGS="$wireshark_save_LDFLAGS"
881 LIBS="$wireshark_save_LIBS"
883 if test "x$lua_dir" != "x"
886 # The user used "--with-lua=" to specify a directory
887 # containing liblua, but we didn't find the header file
888 # there; that either means they didn't specify the
889 # right directory or are confused about whether liblua
890 # is, in fact, installed. Report the error and give up.
892 AC_MSG_ERROR([liblua header not found in directory specified in --with-lua])
894 if test "x$want_lua" = "xyes"
897 # The user tried to force us to use the library, but we
898 # couldn't find the header file; report an error.
900 AC_MSG_ERROR(Header file lua.h not found.)
903 # We couldn't find the header file; don't use the
904 # library, as it's probably not present.
912 if test "x$want_lua" != "xno"
915 # Well, we at least have the lua header file.
917 # let's check if the libs are there
920 # At least on Suse 9.3 systems, liblualib needs linking
922 LIBS="$LIBS $LUA_LIBS -lm"
924 AC_CHECK_LIB(lua, luaL_openlibs,
929 if test "x$lua_dir" != "x"
932 # Put the "-I" and "-L" flags for lua into
933 # LUA_INCLUDES and LUA_LIBS, respectively.
935 LUA_LIBS="-L$lua_dir/lib -llua -lm"
936 LUA_INCLUDES="-I$lua_dir/include"
941 AC_DEFINE(HAVE_LUA, 1, [Define to use Lua ${lua_ver}])
946 # We could not find the libs, maybe we have version number in the lib name
949 LIBS="$wireshark_save_LIBS -llua${lua_ver} -lm"
951 AC_CHECK_LIB(lua${lua_ver}, luaL_openlibs,
956 LUA_LIBS=" -llua${lua_ver} -lm"
957 AC_DEFINE(HAVE_LUA, 1, [Define to use Lua ${lua_ver}])
961 # Restore the versions of CPPFLAGS, LDFLAGS,
962 # and LIBS before we added the "--with-lua="
963 # directory, as we didn't actually find lua
966 CPPFLAGS="$wireshark_save_CPPFLAGS"
967 LDFLAGS="$wireshark_save_LDFLAGS"
968 LIBS="$wireshark_save_LIBS"
970 # User requested --with-lua but it isn't available
971 if test "x$want_lua" = "xyes"
973 AC_MSG_ERROR(Linking with liblua failed.)
979 CPPFLAGS="$wireshark_save_CPPFLAGS"
980 LDFLAGS="$wireshark_save_LDFLAGS"
981 LIBS="$wireshark_save_LIBS"
983 AC_SUBST(LUA_INCLUDES)
989 # AC_WIRESHARK_LIBPORTAUDIO_CHECK
991 AC_DEFUN([AC_WIRESHARK_LIBPORTAUDIO_CHECK],[
993 if test "x$portaudio_dir" != "x"
996 # The user specified a directory in which libportaudio
997 # resides, so add the "include" subdirectory of that directory to
998 # the include file search path and the "lib" subdirectory
999 # of that directory to the library search path.
1001 # XXX - if there's also a libportaudio in a directory that's
1002 # already in CPPFLAGS or LDFLAGS, this won't make us find
1003 # the version in the specified directory, as the compiler
1004 # and/or linker will search that other directory before it
1005 # searches the specified directory.
1007 wireshark_save_CPPFLAGS="$CPPFLAGS"
1008 CPPFLAGS="$CPPFLAGS -I$portaudio_dir/include"
1009 wireshark_save_LIBS="$LIBS"
1010 LIBS="$LIBS -L$portaudio_dir/lib -lportaudio"
1011 wireshark_save_LDFLAGS="$LDFLAGS"
1012 LDFLAGS="$LDFLAGS -L$portaudio_dir/lib"
1015 # The user specified no directory in which libportaudio resides,
1016 # so just add "-lportaudio" to the used libs.
1018 wireshark_save_CPPFLAGS="$CPPFLAGS"
1019 wireshark_save_LDFLAGS="$LDFLAGS"
1020 wireshark_save_LIBS="$LIBS"
1021 LIBS="$LIBS -lportaudio"
1025 # Make sure we have "portaudio.h". If we don't, it means we probably
1026 # don't have libportaudio, so don't use it.
1028 AC_CHECK_HEADERS(portaudio.h,,
1030 if test "x$portaudio_dir" != "x"
1033 # The user used "--with-portaudio=" to specify a directory
1034 # containing libportaudio, but we didn't find the header file
1035 # there; that either means they didn't specify the
1036 # right directory or are confused about whether libportaudio
1037 # is, in fact, installed. Report the error and give up.
1039 AC_MSG_ERROR([libportaudio header not found in directory specified in --with-portaudio])
1041 CPPFLAGS="$wireshark_save_CPPFLAGS"
1042 LDFLAGS="$wireshark_save_LDFLAGS"
1043 LIBS="$wireshark_save_LIBS"
1045 if test "x$want_portaudio" = "xyes"
1048 # The user tried to force us to use the library, but we
1049 # couldn't find the header file; report an error.
1051 AC_MSG_ERROR(Header file portaudio.h not found.)
1054 # We couldn't find the header file; don't use the
1055 # library, as it's probably not present.
1063 # Check whether we have the right version of portaudio
1065 if test "x$want_portaudio" != "xno"
1067 AC_CHECK_TYPE(PortAudioStream,
1068 AC_DEFINE(PORTAUDIO_API_1, 1, [Define if we are using version of of the Portaudio library API]),
1070 [#include <portaudio.h>])
1073 if test "x$want_portaudio" != "xno"
1076 # Well, we at least have the portaudio header file.
1078 # let's check if the libs are there
1081 AC_CHECK_LIB(portaudio, Pa_Initialize,
1083 if test "x$portaudio_dir" != "x"
1086 # Put the "-I" and "-L" flags for portaudio
1087 # into PORTAUDIO_INCLUDES and PORTAUDIO_LIBS,
1090 PORTAUDIO_LIBS="-L$portaudio_dir/lib -lportaudio"
1091 PORTAUDIO_INCLUDES="-I$portaudio_dir/include"
1093 PORTAUDIO_LIBS="-lportaudio"
1094 PORTAUDIO_INCLUDES=""
1096 AC_DEFINE(HAVE_LIBPORTAUDIO, 1, [Define to use libportaudio library])
1100 # Restore the versions of CPPFLAGS, LDFLAGS, and
1101 # LIBS before we added the "--with-portaudio="
1102 # directory, as we didn't actually find portaudio
1105 CPPFLAGS="$wireshark_save_CPPFLAGS"
1106 LDFLAGS="$wireshark_save_LDFLAGS"
1107 LIBS="$wireshark_save_LIBS"
1109 # User requested --with-portaudio but it isn't available
1110 if test "x$want_portaudio" = "xyes"
1112 AC_MSG_ERROR(Linking with libportaudio failed.)
1117 CPPFLAGS="$wireshark_save_CPPFLAGS"
1118 LDFLAGS="$wireshark_save_LDFLAGS"
1119 LIBS="$wireshark_save_LIBS"
1120 AC_SUBST(PORTAUDIO_LIBS)
1121 AC_SUBST(PORTAUDIO_INCLUDES)
1127 # AC_WIRESHARK_RPM_CHECK
1128 # Looks for the rpm program, and checks to see if we can redefine "_topdir".
1130 AC_DEFUN([AC_WIRESHARK_RPM_CHECK],
1132 AC_CHECK_PROG(ac_cv_wireshark_have_rpm, rpm, "yes", "no")
1133 if test "x$ac_cv_wireshark_have_rpm" = "xyes"; then
1134 rpm --define '_topdir /tmp' > /dev/null 2>&1
1135 AC_MSG_CHECKING(to see if we can redefine _topdir)
1136 if test $? -eq 0 ; then
1140 AC_MSG_RESULT(no. You'll have to build packages manually.)
1147 # AC_WIRESHARK_GNU_SED_CHECK
1148 # Checks if GNU sed is the first sed in PATH.
1150 AC_DEFUN([AC_WIRESHARK_GNU_SED_CHECK],
1152 AC_MSG_CHECKING(for GNU sed as first sed in PATH)
1153 if ( sh -c "sed --version" </dev/null 2> /dev/null | grep "GNU sed" 2>&1 > /dev/null ) ; then
1163 # AC_WIRESHARK_C_ARES_CHECK
1165 AC_DEFUN([AC_WIRESHARK_C_ARES_CHECK],
1167 want_c_ares=defaultyes
1169 if test "x$want_c_ares" = "xdefaultyes"; then
1171 if test "x$ac_cv_enable_usr_local" = "xyes" ; then
1173 if test -d "$withval"; then
1174 AC_WIRESHARK_ADD_DASH_L(LDFLAGS, ${withval}/lib)
1179 if test "x$want_c_ares" = "xyes"; then
1180 AC_CHECK_LIB(cares, ares_init,
1183 AC_DEFINE(HAVE_C_ARES, 1, [Define to use c-ares library])
1184 have_good_c_ares=yes
1185 ],, $SOCKET_LIBS $NSL_LIBS
1188 AC_MSG_RESULT(not required)
1194 # AC_WIRESHARK_ADNS_CHECK
1196 AC_DEFUN([AC_WIRESHARK_ADNS_CHECK],
1198 want_adns=defaultyes
1200 if test "x$want_adns" = "xdefaultyes"; then
1202 if test "x$ac_cv_enable_usr_local" = "xyes" ; then
1204 if test -d "$withval"; then
1205 AC_WIRESHARK_ADD_DASH_L(LDFLAGS, ${withval}/lib)
1210 if test "x$want_adns" = "xyes"; then
1211 AC_CHECK_LIB(adns, adns_init,
1214 AC_DEFINE(HAVE_GNU_ADNS, 1, [Define to use GNU ADNS library])
1216 ],, $SOCKET_LIBS $NSL_LIBS
1219 AC_MSG_RESULT(not required)
1225 # AC_WIRESHARK_LIBCAP_CHECK
1227 AC_DEFUN([AC_WIRESHARK_LIBCAP_CHECK],
1229 want_libcap=defaultyes
1231 if test "x$want_libcap" = "xdefaultyes"; then
1233 if test "x$ac_cv_enable_usr_local" = "xyes" ; then
1235 if test -d "$withval"; then
1236 AC_WIRESHARK_ADD_DASH_L(LDFLAGS, ${withval}/lib)
1241 if test "x$want_libcap" = "xyes"; then
1242 AC_CHECK_LIB(cap, cap_set_flag,
1245 AC_DEFINE(HAVE_LIBCAP, 1, [Define to use the libcap library])
1246 have_good_libcap=yes
1250 AC_MSG_RESULT(not required)
1256 # AC_WIRESHARK_KRB5_CHECK
1258 AC_DEFUN([AC_WIRESHARK_KRB5_CHECK],
1260 wireshark_save_CPPFLAGS="$CPPFLAGS"
1261 if test "x$krb5_dir" != "x"
1264 # The user specified a directory in which kerberos resides,
1265 # so add the "include" subdirectory of that directory to
1266 # the include file search path and the "lib" subdirectory
1267 # of that directory to the library search path.
1269 # XXX - if there's also a kerberos in a directory that's
1270 # already in CPPFLAGS or LDFLAGS, this won't make us find
1271 # the version in the specified directory, as the compiler
1272 # and/or linker will search that other directory before it
1273 # searches the specified directory.
1275 CPPFLAGS="$CPPFLAGS -I$krb5_dir/include"
1276 ac_heimdal_version=`grep heimdal $krb5_dir/include/krb5.h | head -n 1 | sed 's/^.*heimdal.*$/HEIMDAL/'`
1277 # MIT Kerberos moved krb5.h to krb5/krb5.h starting with release 1.5
1278 ac_mit_version_olddir=`grep 'Massachusetts Institute of Technology' $krb5_dir/include/krb5.h | head -n 1 | sed 's/^.*Massachusetts Institute of Technology.*$/MIT/'`
1279 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/'`
1280 ac_krb5_version="$ac_heimdal_version$ac_mit_version_olddir$ac_mit_version_newdir"
1281 if test "x$ac_krb5_version" = "xHEIMDAL"
1283 KRB5_LIBS="-L$krb5_dir/lib -lkrb5 -lasn1 $SSL_LIBS -lroken -lcrypt"
1285 KRB5_LIBS="-L$krb5_dir/lib -lkrb5 -lk5crypto -lcom_err"
1287 if test "x$ac_krb5_version" = "xMIT"
1289 AC_DEFINE(HAVE_MIT_KERBEROS, 1, [Define to use MIT kerberos])
1292 AC_PATH_PROG(KRB5_CONFIG, krb5-config)
1293 if test -x "$KRB5_CONFIG"
1295 KRB5_FLAGS=`"$KRB5_CONFIG" --cflags`
1296 KRB5_LIBS=`"$KRB5_CONFIG" --libs`
1297 CPPFLAGS="$CPPFLAGS $KRB5_FLAGS"
1299 # If -lcrypto is in KRB5_FLAGS, we require it to build
1300 # with Heimdal/MIT. We don't want to built with it by
1301 # default, due to annoying license incompatibilities
1302 # between the OpenSSL license and the GPL, so:
1304 # if SSL_LIBS is set to a non-empty string, we
1305 # remove -lcrypto from KRB5_LIBS and replace
1308 # if SSL_LIBS is not set to a non-empty string
1309 # we fail with an appropriate error message.
1311 case "$KRB5_LIBS" in
1313 if test ! -z "$SSL_LIBS"
1315 KRB5_LIBS=`echo $KRB5_LIBS | sed 's/-lcrypto//'`
1316 KRB5_LIBS="$KRB5_LIBS $SSL_LIBS"
1318 AC_MSG_ERROR([Kerberos library requires -lcrypto but --with-ssl not specified])
1322 ac_krb5_version=`"$KRB5_CONFIG" --version | head -n 1 | sed -e 's/^.*heimdal.*$/HEIMDAL/' -e 's/^Kerberos .*$/MIT/' -e 's/^Solaris Kerberos .*$/MIT/'`
1327 # Make sure we have "krb5.h". If we don't, it means we probably
1328 # don't have kerberos, so don't use it.
1330 AC_CHECK_HEADER(krb5.h,,
1332 if test "x$krb5_dir" != "x"
1335 # The user used "--with-krb5=" to specify a directory
1336 # containing kerberos, but we didn't find the header file
1337 # there; that either means they didn't specify the
1338 # right directory or are confused about whether kerberos
1339 # is, in fact, installed. Report the error and give up.
1341 AC_MSG_ERROR([kerberos header not found in directory specified in --with-krb5])
1343 if test "x$want_krb5" = "xyes"
1346 # The user tried to force us to use the library, but we
1347 # couldn't find the header file; report an error.
1349 AC_MSG_ERROR(Header file krb5.h not found.)
1352 # We couldn't find the header file; don't use the
1353 # library, as it's probably not present.
1356 AC_MSG_RESULT(No Heimdal or MIT header found - disabling dissection for some kerberos data in packet decoding)
1361 if test "x$want_krb5" != "xno"
1364 # Well, we at least have the krb5 header file.
1365 # Check whether this is Heimdal or MIT.
1367 AC_MSG_CHECKING(whether the Kerberos library is Heimdal or MIT)
1368 if test "x$ac_krb5_version" = "xHEIMDAL" -o "x$ac_krb5_version" = "xMIT"
1372 # Check whether we have krb5_kt_resolve - and whether
1373 # we need to link with -lresolv when linking with
1374 # the Kerberos library.
1376 AC_MSG_RESULT($ac_krb5_version)
1377 wireshark_save_LIBS="$LIBS"
1378 found_krb5_kt_resolve=no
1379 for extras in "" "-lresolv"
1381 LIBS="$KRB5_LIBS $extras"
1382 if test -z "$extras"
1384 AC_MSG_CHECKING([whether $ac_krb5_version includes krb5_kt_resolve])
1386 AC_MSG_CHECKING([whether $ac_krb5_version includes krb5_kt_resolve (linking with $extras)])
1396 # We found "krb5_kt_resolve()", and required
1397 # the libraries in extras as well.
1401 AC_DEFINE(HAVE_KERBEROS, 1, [Define to use kerberos])
1402 if test "x$ac_krb5_version" = "xHEIMDAL"
1404 AC_DEFINE(HAVE_HEIMDAL_KERBEROS, 1, [Define to use heimdal kerberos])
1405 elif test "x$ac_krb5_version" = "xMIT"
1407 AC_DEFINE(HAVE_MIT_KERBEROS, 1, [Define to use MIT kerberos])
1409 found_krb5_kt_resolve=yes
1416 if test "$found_krb5_kt_resolve" = no
1419 # We didn't find "krb5_kt_resolve()" in the
1420 # Kerberos library, even when we tried linking
1421 # with -lresolv; we can't link with kerberos.
1423 if test "x$want_krb5" = "xyes"
1426 # The user tried to force us to use the library,
1427 # but we can't do so; report an error.
1429 AC_MSG_ERROR(Usable $ac_krb5_version not found)
1432 # Restore the versions of CPPFLAGS from before we
1433 # added the flags for Kerberos.
1435 AC_MSG_RESULT(Usable $ac_krb5_version not found - disabling dissection for some kerberos data in packet decoding)
1436 CPPFLAGS="$wireshark_save_CPPFLAGS"
1442 # We can link with Kerberos; see whether krb5.h
1443 # defines KEYTYPE_ARCFOUR_56 (where "defines" means
1444 # "as a #define or as an enum member).
1446 AC_MSG_CHECKING([whether krb5.h defines KEYTYPE_ARCFOUR_56])
1456 printf("%u\n", KEYTYPE_ARCFOUR_56);
1462 AC_DEFINE(HAVE_KEYTYPE_ARCFOUR_56, 1, [Define if krb5.h defines KEYTYPE_ARCFOUR_56])
1468 LIBS="$wireshark_save_LIBS"
1471 # It's not Heimdal or MIT.
1474 if test "x$want_krb5" = "xyes"
1477 # The user tried to force us to use the library,
1478 # but we can't do so; report an error.
1480 AC_MSG_ERROR(Kerberos not found)
1483 # Restore the versions of CPPFLAGS from before we
1484 # added the flags for Kerberos.
1486 AC_MSG_RESULT(Kerberos not found - disabling dissection for some kerberos data in packet decoding)
1487 CPPFLAGS="$wireshark_save_CPPFLAGS"
1494 # The user asked us not to use Kerberos, or they didn't
1495 # say whether they wanted us to use it but we found
1498 # Restore the versions of CPPFLAGS from before we added
1499 # the flags for Kerberos.
1501 CPPFLAGS="$wireshark_save_CPPFLAGS"
1509 # AC_WIRESHARK_GEOIP_CHECK
1511 AC_DEFUN([AC_WIRESHARK_GEOIP_CHECK],
1513 want_geoip=defaultyes
1515 if test "x$want_geoip" = "xdefaultyes"; then
1517 if test "x$ac_cv_enable_usr_local" = "xyes" ; then
1519 if test -d "$withval"; then
1520 AC_WIRESHARK_ADD_DASH_L(LDFLAGS, ${withval}/lib)
1525 if test "x$want_geoip" = "xyes"; then
1526 AC_CHECK_LIB(GeoIP, GeoIP_new,
1529 AC_DEFINE(HAVE_GEOIP, 1, [Define to use GeoIP library])
1533 if test "x$have_good_geoip" = "xyes"; then
1534 AC_CHECK_LIB(GeoIP, GeoIP_country_name_by_ipnum_v6,
1536 AC_DEFINE(HAVE_GEOIP_V6, 1, [Define if GeoIP supports IPv6 (GeoIP 1.4.5 and later)])
1541 AC_MSG_RESULT(not required)
1545 #AC_WIRESHARK_LDFLAGS_CHECK
1547 # $1 : ldflag(s) to test
1549 # The macro first determines if the compiler supports "-Wl,{option}" to
1550 # pass options through to the linker. Then it attempts to compile with
1551 # the defined ldflags. The defined flags are added to LDFLAGS only if
1552 # the compilation succeeds.
1554 AC_DEFUN([AC_WIRESHARK_LDFLAGS_CHECK],
1556 AC_MSG_CHECKING(whether we can add $GCC_OPTION to LDFLAGS)
1557 if test "x$ac_supports_W_linker_passthrough" = "xyes"; then
1558 LDFLAGS_saved="$LDFLAGS"
1559 LDFLAGS="$LDFLAGS $GCC_OPTION"
1569 LDFLAGS="$LDFLAGS_saved"
1577 # AC_WIRESHARK_GCC_CFLAGS_CHECK
1579 # $1 : cflags to test
1580 # $2 : if supplied, C for C-only flags, CXX for C++-only flags
1581 # $3 : if supplied, a program to try to compile with the flag
1582 # and, if the compile fails when -Werror is turned on,
1583 # we don't add the flag - used for warning flags that
1584 # issue incorrect or non-useful warnings with some
1586 # $4 : must be supplied if $3 is supplied - a message describing
1587 # for what the test program is testing
1589 # The macro first determines if the compiler supports GCC-style flags.
1590 # Then it attempts to compile with the defined cflags. The defined
1591 # flags are added to CFLAGS only if the compilation succeeds.
1593 # We do this because not all such options are necessarily supported by
1594 # the version of the particular compiler we're using.
1596 # NOTE: clang, by default, only warns about unknown -W options.
1597 # If we're using clang, we turn on -Werror=unknown-warning-option
1598 # so that it fails if we pass it a -W option it doesn't know about
1599 # but doesn't fail for any other warning that the test program might
1602 AC_DEFUN([AC_WIRESHARK_GCC_CFLAGS_CHECK],
1606 AC_MSG_CHECKING(whether we can add $GCC_OPTION to CFLAGS)
1610 AC_MSG_CHECKING(whether we can add $GCC_OPTION to CXXFLAGS)
1614 AC_MSG_CHECKING(whether we can add $GCC_OPTION to CFLAGS and CXXFLAGS)
1618 if test "x$ac_supports_gcc_flags" = "xyes" ; then
1619 if test "$2" != CXX ; then
1621 # Not C++-only; if this can be added to the C compiler flags, add them.
1623 CFLAGS_saved="$CFLAGS"
1624 CFLAGS="$CFLAGS $GCC_OPTION"
1625 if test "x$CC" = "xclang" ; then
1627 # Force clang to fail on an unknown warning option; by default,
1628 # it whines but doesn't fail, so we add unknown options and,
1629 # as a result, get a lot of that whining when we compile.
1631 CFLAGS="$CFLAGS -Werror=unknown-warning-option"
1640 # OK, do we have a test program? If so, check
1641 # whether it fails with this option and -Werror,
1642 # and, if so, don't include it.
1644 # We test arg 4 here because arg 3 is a program which
1645 # could contain quotes (breaking the comparison).
1647 if test "x$4" != "x" ; then
1648 CFLAGS="$CFLAGS -Werror"
1649 AC_MSG_CHECKING(whether $GCC_OPTION $4)
1651 AC_LANG_SOURCE($3)],
1655 # Remove -Werror=unknown-warning-option, if we
1656 # added it, and -Werror by setting CFLAGS to
1657 # the saved value plus just the new option.
1659 CFLAGS="$CFLAGS_saved $GCC_OPTION"
1661 # Add it to the flags we use when building
1664 CFLAGS_FOR_BUILD="$CFLAGS_FOR_BUILD $GCC_OPTION"
1665 if test "$2" != C ; then
1667 # Add it to the C++ flags as well.
1669 CXXFLAGS="$CXXFLAGS $GCC_OPTION"
1674 CFLAGS="$CFLAGS_saved"
1678 # Remove -Werror=unknown-warning-option, if we
1679 # added it, and -Werror by setting CFLAGS to
1680 # the saved value plus just the new option.
1682 CFLAGS="$CFLAGS_saved $GCC_OPTION"
1684 # Add it to the flags we use when building
1687 CFLAGS_FOR_BUILD="$CFLAGS_FOR_BUILD $GCC_OPTION"
1688 if test "$2" != C ; then
1690 # Add it to the C++ flags as well.
1692 CXXFLAGS="$CXXFLAGS $GCC_OPTION"
1698 CFLAGS="$CFLAGS_saved"
1702 # C++-only; if this can be added to the C++ compiler flags, add them.
1704 CXXFLAGS_saved="$CXXFLAGS"
1705 CXXFLAGS="$CXXFLAGS $GCC_OPTION"
1706 if test "x$CC" = "xclang" ; then
1707 CXXFLAGS="$CXXFLAGS -Werror=unknown-warning-option"
1717 # OK, do we have a test program? If so, check
1718 # whether it fails with this option and -Werror,
1719 # and, if so, don't include it.
1721 # We test arg 4 here because arg 3 is a program which
1722 # could contain quotes (breaking the comparison).
1724 if test "x$4" != "x" ; then
1725 CXXFLAGS="$CXXFLAGS -Werror"
1726 AC_MSG_CHECKING(whether $GCC_OPTION $4)
1728 AC_LANG_SOURCE($3)],
1732 # Remove -Werror=unknown-warning-option, if we
1733 # added it, and -Werror by setting CXXFLAGS to
1734 # the saved value plus just the new option.
1736 CXXFLAGS="$CXXFLAGS_saved $GCC_OPTION"
1740 CXXFLAGS="$CXXFLAGS_saved"
1744 # Remove -Werror=unknown-warning-option, if we
1745 # added it, and -Werror by setting CXXFLAGS to
1746 # the saved value plus just the new option.
1748 CXXFLAGS="$CXXFLAGS_saved $GCC_OPTION"
1753 CXXFLAGS="$CXXFLAGS_saved"
1762 # AC_WIRESHARK_GCC_FORTIFY_SOURCE_CHECK
1764 # Checks if '-D_FORTIFY_SOURCE=...' is OK to use in CPPFLAGS.
1765 # Use '-D_FORTIFY_SOURCE=...' in CPPFLAGS only if the GCC 'optimization level' is > 0.
1766 # The use of '-D_FORTIFY_SOURCE=...' will cause a warning with at least some versions
1767 # of glibc if the GCC "optimization level" is 0 (default or -O or -O0)
1768 # when using GCC to compile a source file which references the macro definition.
1770 # See: http://gcc.gnu.org/ml/gcc-patches/2004-09/msg02055.html
1771 # See: http://sourceware.org/bugzilla/show_bug.cgi?id=13979
1773 # We'll use '-D_FORTIFY_SOURCE=2' only if there's no warning; Among other things this means
1774 # that the use of '-D_FORTIFY_SOURCE=2' with '-Werror' and '-O0' won't cause
1775 # the compiler to stop on error.
1776 # Assumption: CFLAGS already contains whatever optimization option including none) is
1780 AC_DEFUN([AC_WIRESHARK_GCC_FORTIFY_SOURCE_CHECK],
1782 if test "x$GCC" = "xyes" -o "x$CC" = "xclang" ; then
1783 AC_MSG_CHECKING([whether -D_FORTIFY_SOURCE=... can be used (without generating a warning)])
1784 CFLAGS_saved="$CFLAGS"
1785 CPPFLAGS_saved="$CPPFLAGS"
1786 CFLAGS="$CFLAGS -Werror"
1787 CPPFLAGS="$CPPFLAGS -D_FORTIFY_SOURCE=2"
1796 # (CPPFLAGS contains _D_FORTIFY_SOURCE=2)
1801 # Remove -D_FORTIFY_SOURCE=2
1802 CPPFLAGS="$CPPFLAGS_saved"
1804 CFLAGS="$CFLAGS_saved"
1809 # AC_WIRESHARK_OSX_INTEGRATION_CHECK
1811 # Checks for the presence of OS X integration functions in the GTK+ framework
1812 # or as a separate library.
1814 # GTK+ for MAC OS X now lives on www.gtk.org at:
1816 # http://www.gtk.org/download/macos.php
1818 # Details on building with GTK-OSX are available at:
1820 # http://live.gnome.org/GTK%2B/OSX/Building
1822 # The GTK-OSX library has been renamed to gtkmacintegration.
1823 # It was previously named igemacintegration.
1825 # http://live.gnome.org/GTK%2B/OSX/Integration
1826 # for the old Carbon-based integration functions
1828 AC_DEFUN([AC_WIRESHARK_OSX_INTEGRATION_CHECK],
1830 ac_save_CFLAGS="$CFLAGS"
1831 ac_save_LIBS="$LIBS"
1832 CFLAGS="$CFLAGS $GTK_CFLAGS"
1833 LIBS="$GTK_LIBS $LIBS"
1836 # Check for the new integration functions in a -lgtkmacintegration
1839 AC_CHECK_LIB(gtkmacintegration, gtkosx_application_set_menu_bar,
1841 AC_DEFINE(HAVE_GTKOSXAPPLICATION, 1,
1842 [Define to 1 if -lgtkmacintegration includes the GtkOSXApplication Integration functions.])
1844 # We don't want gtk stuff in LIBS (which is reset below) so
1845 # manually set GTK_LIBS (which is more appropriate)
1846 GTK_LIBS="$GTK_LIBS -lgtkmacintegration"
1849 if test x$have_ige_mac = x
1852 # Not found - check for the old integration functions in
1853 # the Gtk framework.
1855 AC_CHECK_LIB(Gtk, gtk_mac_menu_set_menu_bar,
1857 AC_DEFINE(HAVE_IGE_MAC_INTEGRATION, 1,
1858 [Define to 1 if the the Gtk+ framework or a separate library includes the Imendio IGE Mac OS X Integration functions.])
1860 # We don't want gtk stuff in LIBS (which is reset below) so
1861 # manually set GTK_LIBS (which is more appropriate)
1862 GTK_LIBS="$GTK_LIBS -lGtk"
1866 if test x$have_ige_mac = x
1869 # Not found - check for the old integration functions in
1870 # a -lgtkmacintegration library.
1872 AC_CHECK_LIB(gtkmacintegration, gtk_mac_menu_set_menu_bar,
1874 AC_DEFINE(HAVE_IGE_MAC_INTEGRATION, 1,
1875 [Define to 1 if the the Gtk+ framework or a separate library includes the Imendio IGE Mac OS X Integration functions.])
1877 # We don't want gtk stuff in LIBS (which is reset below) so
1878 # manually set GTK_LIBS (which is more appropriate)
1879 GTK_LIBS="$GTK_LIBS -lgtkmacintegration"
1882 CFLAGS="$ac_save_CFLAGS"
1883 LIBS="$ac_save_LIBS"
1887 # AC_WIRESHARK_PYTHON_CHECK
1889 # Check whether python devel package is present
1891 AC_DEFUN([AC_WIRESHARK_PYTHON_CHECK],
1894 # Checking whether we have a python devel environment available
1896 # AC_CACHE_CHECK([checking python devel package], ac_cv_wireshark_python_devel,
1898 AC_CHECK_PROG([ac_ws_python_config], python-config, "yes", "no")
1899 if test "x$ac_ws_python_config" = "xno"; then
1900 ac_cv_wireshark_python_devel=no
1901 if test "x$want_python" = "xyes"
1904 # The user tried to force us to use Python, but we
1905 # couldn't find the python-config tool; report an error.
1907 AC_MSG_ERROR("python-config not found")
1910 # Set want_python to no, so we report that we aren't using
1911 # the Python interpreter.
1915 AC_MSG_CHECKING([python devel])
1916 ac_save_ws_cflags=$CFLAGS
1917 ac_save_ws_libs=$LIBS
1918 CFLAGS=$(python-config --includes)
1919 LIBS=$(python-config --ldflags)
1923 [[#include <Python.h>]],
1924 [[Py_Initialiaze();]]
1929 # Compilation successful, we have python devel available
1931 ac_cv_wireshark_python_devel=yes
1936 CFLAGS="$ac_save_ws_cflags"
1937 LIBS="$ac_save_ws_libs"
1938 AC_DEFINE(HAVE_PYTHON, 1, [Define if python devel package available])
1939 AC_MSG_RESULT([yes])
1943 # Compilation unsuccessful, python devel not available
1945 ac_cv_wireshark_python_devel=no
1946 CFLAGS=$ac_save_ws_cflags
1947 LIBS=$ac_save_ws_libs
1948 if test "x$want_python" = "xyes"
1951 # The user tried to force us to use Python, but we
1952 # couldn't compile the test program; report an error.
1954 AC_MSG_ERROR("Python test program failed compilation")
1958 # Set want_python to no, so we report that we aren't using
1959 # the Python interpreter.