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.
5 dnl This program is free software; you can redistribute it and/or modify
6 dnl it under the terms of the GNU General Public License as published by
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11 dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
12 dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 dnl GNU General Public License for more details.
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16 dnl along with this program; if not, write to the Free Software
17 dnl Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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22 dnl are the output of Autoconf. You need not follow the terms of the GNU
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47 dnl Written by David MacKenzie, with help from
48 dnl Franc,ois Pinard, Karl Berry, Richard Pixley, Ian Lance Taylor,
49 dnl Roland McGrath, Noah Friedman, david d zuhn, and many others.
52 # AC_WIRESHARK_ADD_DASH_L
54 # Add to the variable specified as the first argument a "-L" flag for the
55 # directory specified as the second argument, and, on Solaris, add a
56 # "-R" flag for it as well.
58 # XXX - IRIX, and other OSes, may require some flag equivalent to
61 AC_DEFUN([AC_WIRESHARK_ADD_DASH_L],
62 [AX_APPEND_FLAG(-L$2, $1)
65 AX_APPEND_FLAG(-R$2, $1)
71 # AC_WIRESHARK_PUSH_FLAGS
73 # Push our flags to CFLAGS/etc.
75 AC_DEFUN([AC_WIRESHARK_PUSH_FLAGS],
77 ac_ws_CPPLAGS_saved="$CPPFLAGS"
78 ac_ws_CFLAGS_saved="$CFLAGS"
79 ac_ws_CXXFLAGS_saved="$CXXFLAGS"
80 ac_ws_LDFLAGS_saved="$LDFLAGS"
81 CPPFLAGS="$WS_CPPFLAGS $CPPFLAGS"
82 CFLAGS="$WS_CFLAGS $CFLAGS"
83 CXXFLAGS="$WS_CXXFLAGS $CXXFLAGS"
84 LDFLAGS="$WS_LDFLAGS $LDFLAGS"
88 # AC_WIRESHARK_POP_FLAGS
90 # Restore user build flags.
92 AC_DEFUN([AC_WIRESHARK_POP_FLAGS],
94 CPPFLAGS="$ac_ws_CPPLAGS_saved"
95 CFLAGS="$ac_ws_CFLAGS_saved"
96 CXXFLAGS="$ac_ws_CXXFLAGS_saved"
97 LDFLAGS="$ac_ws_LDFLAGS_saved"
102 # AC_WIRESHARK_BREAKLOOP_TRY_LINK
104 AC_DEFUN([AC_WIRESHARK_PCAP_BREAKLOOP_TRY_LINK],
120 ws_breakloop_compiled=yes
123 ws_breakloop_compiled=no
130 # AC_WIRESHARK_PCAP_CHECK
132 AC_DEFUN([AC_WIRESHARK_PCAP_CHECK],
134 AC_WIRESHARK_PUSH_FLAGS
136 if test -z "$pcap_dir"
139 # XXX need to set a var AC_CHECK_HEADER(pcap.h,,)
142 # The user didn't specify a directory in which libpcap resides.
143 # First, look for a pcap-config script.
145 AC_PATH_TOOL(PCAP_CONFIG, pcap-config)
147 if test -n "$PCAP_CONFIG" ; then
151 # Now check whether it's the libpcap 1.0 version, which
152 # put a space after "-L" - on some platforms, that doesn't
155 AC_MSG_CHECKING(for broken pcap-config)
156 case "`\"$PCAP_CONFIG\" --libs`" in
160 # Space after -L. Pretend pcap-config doesn't exist.
174 if test -n "$PCAP_CONFIG" ; then
176 # Found it, and it's usable; use it to get the include flags
179 CPPFLAGS="$CPPFLAGS `\"$PCAP_CONFIG\" --cflags`"
182 # Didn't find it; we have to look for libpcap ourselves.
183 # We assume that the current library search path will work,
184 # but we may have to look for the header in a "pcap"
185 # subdirectory of "/usr/include" or "/usr/local/include",
186 # as some systems apparently put "pcap.h" in a "pcap"
187 # subdirectory, and we also check "$prefix/include" - and
188 # "$prefix/include/pcap", in case $prefix is set to
189 # "/usr/include" or "/usr/local/include".
191 # XXX - should we just add "$prefix/include" to the include
192 # search path and "$prefix/lib" to the library search path?
194 AC_MSG_CHECKING(for extraneous pcap header directories)
196 pcap_dir_list="/usr/local/include/pcap /usr/include/pcap $prefix/include/pcap $prefix/include"
197 for pcap_dir in $pcap_dir_list
199 if test -d $pcap_dir ; then
200 if test x$pcap_dir != x/usr/include -a x$pcap_dir != x/usr/local/include ; then
201 CPPFLAGS="$CPPFLAGS -I$pcap_dir"
203 found_pcap_dir=" $found_pcap_dir -I$pcap_dir"
208 if test "$found_pcap_dir" != "" ; then
209 AC_MSG_RESULT(found --$found_pcap_dir added to CFLAGS)
211 AC_MSG_RESULT(not found)
216 # The user specified a directory in which libpcap resides,
217 # so add the "include" subdirectory of that directory to
218 # the include file search path and the "lib" subdirectory
219 # of that directory to the library search path.
221 # XXX - if there's also a libpcap in a directory that's
222 # already in CPPFLAGS or LDFLAGS, this won't make us find
223 # the version in the specified directory, as the compiler
224 # and/or linker will search that other directory before it
225 # searches the specified directory.
227 CPPFLAGS="$CPPFLAGS -I$pcap_dir/include"
228 AC_WIRESHARK_ADD_DASH_L(LDFLAGS, $pcap_dir/lib)
232 AC_CHECK_HEADER(pcap.h,,
233 AC_MSG_ERROR([[Header file pcap.h not found; if you installed libpcap
234 from source, did you also do \"make install-incl\", and if you installed a
235 binary package of libpcap, is there also a developer's package of libpcap,
236 and did you also install that package?]]))
238 if test -n "$PCAP_CONFIG" ; then
240 # We have pcap-config; we assume that means we have libpcap
241 # installed and that pcap-config will tell us whatever
242 # libraries libpcap needs.
244 if test x$enable_static = xyes; then
245 PCAP_LIBS="`\"$PCAP_CONFIG\" --libs --static`"
247 PCAP_LIBS="`\"$PCAP_CONFIG\" --libs`"
249 AC_DEFINE(HAVE_LIBPCAP, 1, [Define to use libpcap library])
252 # Check to see if we find "pcap_open_live" in "-lpcap".
253 # Also check for various additional libraries that libpcap might
256 AC_CHECK_LIB(pcap, pcap_open_live,
259 AC_DEFINE(HAVE_LIBPCAP, 1, [Define to use libpcap library])
261 ac_wireshark_extras_found=no
263 for extras in "-lcfg -lodm" "-lpfring"
265 AC_MSG_CHECKING([for pcap_open_live in -lpcap with $extras])
266 LIBS="-lpcap $extras $ac_save_LIBS"
268 # XXX - can't we use AC_CHECK_LIB here?
275 pcap_open_live(NULL, 0, 0, 0, NULL);
278 ac_wireshark_extras_found=yes
280 PCAP_LIBS="-lpcap $extras"
281 AC_DEFINE(HAVE_LIBPCAP, 1, [Define to use libpcap library])
286 if test x$ac_wireshark_extras_found = xyes
291 if test x$ac_wireshark_extras_found = xno
293 AC_MSG_ERROR([Can't link with library libpcap.])
301 # Check whether various variables and functions are defined by
305 LIBS="$PCAP_LIBS $LIBS"
306 AC_CHECK_FUNCS(pcap_open_dead pcap_freecode)
308 # pcap_breakloop may be present in the library but not declared
309 # in the pcap.h header file. If it's not declared in the header
310 # file, attempts to use it will get warnings, and, if we're
311 # building with warnings treated as errors, that warning will
312 # cause compilation to fail.
314 # We are therefore first testing whether the function is present
315 # and then, if we're compiling with warnings as errors, testing
316 # whether it is usable. It is usable if it compiles without
317 # a -Wimplicit warning (the "compile with warnings as errors"
318 # option requires GCC). If it is not usable, we fail and tell
319 # the user that the pcap.h header needs to be updated.
321 # Ceteris paribus, this should only happen with Mac OS X 10.3[.x] which
322 # can have an up-to-date pcap library without the corresponding pcap
325 # However, it might also happen on some others OSes with some erroneous
326 # system manipulations where multiple versions of libpcap might co-exist
327 # e.g. hand made symbolic link from libpcap.so -> libpcap.so.0.8 but
328 # having the pcap header version 0.7.
330 AC_MSG_CHECKING([whether pcap_breakloop is present])
331 ac_CFLAGS_saved="$CFLAGS"
332 AC_WIRESHARK_PCAP_BREAKLOOP_TRY_LINK
333 if test "x$ws_breakloop_compiled" = "xyes"; then
335 AC_DEFINE(HAVE_PCAP_BREAKLOOP, 1, [Define if pcap_breakloop is known])
336 if test "x$with_warnings_as_errors" = "xyes"; then
337 AC_MSG_CHECKING([whether pcap_breakloop is usable])
338 CFLAGS="$CFLAGS -Werror -Wimplicit"
339 AC_WIRESHARK_PCAP_BREAKLOOP_TRY_LINK
340 if test "x$ws_breakloop_compiled" = "xyes"; then
345 [Your pcap library is more recent than your pcap header.
346 As you are building with compiler warnings treated as errors, Wireshark
347 won't be able to use functions not declared in that header.
348 If you wish to build with compiler warnings treated as errors, You should
349 install a newer version of the header file.])
351 CFLAGS="$ac_CFLAGS_saved"
358 # Later versions of Mac OS X 10.3[.x] ship a pcap.h that
359 # doesn't define pcap_if_t but ship an 0.8[.x] libpcap,
360 # so the library has "pcap_findalldevs()", but pcap.h
361 # doesn't define "pcap_if_t" so you can't actually *use*
362 # "pcap_findalldevs()".
364 # That even appears to be true of systems shipped with
365 # 10.3.4, so it doesn't appear only to be a case of
366 # Software Update not updating header files.
368 # (You can work around this by installing the 0.8 header
371 AC_CACHE_CHECK([whether pcap_findalldevs is present and usable],
372 [ac_cv_func_pcap_findalldevs],
381 pcap_if_t *devpointer;
384 pcap_findalldevs(&devpointer, errbuf);
389 ac_cv_func_pcap_findalldevs=yes
392 ac_cv_func_pcap_findalldevs=no
396 # Don't check for other new routines that showed up after
397 # "pcap_findalldevs()" if we don't have a usable
398 # "pcap_findalldevs()", so we don't end up using them if the
399 # "pcap.h" is crufty and old and doesn't declare them.
401 if test $ac_cv_func_pcap_findalldevs = "yes" ; then
402 AC_DEFINE(HAVE_PCAP_FINDALLDEVS, 1,
403 [Define to 1 if you have the `pcap_findalldevs' function and a pcap.h that declares pcap_if_t.])
404 AC_CHECK_FUNCS(pcap_datalink_val_to_name pcap_datalink_name_to_val)
405 AC_CHECK_FUNCS(pcap_datalink_val_to_description)
406 AC_CHECK_FUNCS(pcap_list_datalinks pcap_set_datalink pcap_lib_version)
407 AC_CHECK_FUNCS(pcap_get_selectable_fd pcap_free_datalinks)
408 AC_CHECK_FUNC(pcap_create,
410 AC_DEFINE(HAVE_PCAP_CREATE, 1,
411 [Define to 1 if you have the `pcap_create' function.])
412 AC_DEFINE(CAN_SET_CAPTURE_BUFFER_SIZE, 1,
413 [Define to 1 if the capture buffer size can be set.])
415 AC_CHECK_FUNCS(bpf_image pcap_set_tstamp_precision)
418 AC_WIRESHARK_POP_FLAGS
422 AC_DEFUN([AC_WIRESHARK_PCAP_REMOTE_CHECK],
425 LIBS="$PCAP_LIBS $LIBS"
426 AC_DEFINE(HAVE_REMOTE, 1, [Define to 1 to enable remote
427 capturing feature in WinPcap library])
428 AC_CHECK_FUNCS(pcap_open)
429 if test $ac_cv_func_pcap_open = "yes" ; then
430 AC_DEFINE(HAVE_PCAP_REMOTE, 1,
431 [Define to 1 if you have WinPcap remote capturing support and prefer to use these new API features.])
433 AC_CHECK_FUNCS(pcap_setsampling)
438 # AC_WIRESHARK_ZLIB_CHECK
440 AC_DEFUN([AC_WIRESHARK_ZLIB_CHECK],
442 AC_WIRESHARK_PUSH_FLAGS
444 if test "x$zlib_dir" != "x"
447 # The user specified a directory in which zlib resides,
448 # so add the "include" subdirectory of that directory to
449 # the include file search path and the "lib" subdirectory
450 # of that directory to the library search path.
452 # XXX - if there's also a zlib in a directory that's
453 # already in CPPFLAGS or LDFLAGS, this won't make us find
454 # the version in the specified directory, as the compiler
455 # and/or linker will search that other directory before it
456 # searches the specified directory.
458 CPPFLAGS="$CPPFLAGS -I$zlib_dir/include"
459 AC_WIRESHARK_ADD_DASH_L(LDFLAGS, $zlib_dir/lib)
463 # Make sure we have "zlib.h". If we don't, it means we probably
464 # don't have zlib, so don't use it.
466 AC_CHECK_HEADER(zlib.h,,
468 if test "x$zlib_dir" != "x"
471 # The user used "--with-zlib=" to specify a directory
472 # containing zlib, but we didn't find the header file
473 # there; that either means they didn't specify the
474 # right directory or are confused about whether zlib
475 # is, in fact, installed. Report the error and give up.
477 AC_MSG_ERROR([zlib header not found in directory specified in --with-zlib])
479 if test "x$want_zlib" = "xyes"
482 # The user tried to force us to use the library, but we
483 # couldn't find the header file; report an error.
485 AC_MSG_ERROR(Header file zlib.h not found.)
488 # We couldn't find the header file; don't use the
489 # library, as it's probably not present.
496 if test "x$want_zlib" != "xno"
499 # Well, we at least have the zlib header file.
500 # We link with zlib to support uncompression of
501 # gzipped network traffic, e.g. in an HTTP request
504 if test "x$zlib_dir" != "x"
506 WS_CPPFLAGS="$WS_CPPFLAGS -I$zlib_dir/include"
507 AC_WIRESHARK_ADD_DASH_L(WS_LDFLAGS, $zlib_dir/lib)
510 AC_DEFINE(HAVE_ZLIB, 1, [Define to use zlib library])
512 # Check for "inflatePrime()" in zlib, which we need
513 # in order to read compressed capture files.
515 AC_CHECK_FUNCS(inflatePrime)
517 if test "x$ac_cv_func_inflatePrime" = "xyes" ; then
519 # Now check for "inflatePrime()" in zlib when
520 # linking with the linker flags for GTK+
521 # applications; people often grab XFree86 source
522 # and build and install it on their systems,
523 # and they appear sometimes to misconfigure
524 # XFree86 so that, even on systems with zlib,
525 # it assumes there is no zlib, so the XFree86
526 # build process builds and installs its
527 # own zlib in the X11 library directory.
529 # The zlib in at least some versions of XFree86
530 # is an older version that may lack "inflatePrime()",
531 # and that's the zlib with which Wireshark gets
532 # linked, so the build of Wireshark fails.
534 AC_MSG_CHECKING([for inflatePrime missing when linking with X11])
535 AC_TRY_LINK_FUNC(inflatePrime, AC_MSG_RESULT(no),
538 AC_MSG_ERROR(old zlib found when linking with X11 - get rid of old zlib.)
543 AC_WIRESHARK_POP_FLAGS
547 # AC_WIRESHARK_LIBLUA_CHECK
549 # Sets $have_lua to yes or no.
550 # If it's yes, it also sets $LUA_CFLAGS and $LUA_LIBS.
551 AC_DEFUN([AC_WIRESHARK_LIBLUA_CHECK],[
553 AC_WIRESHARK_PUSH_FLAGS
555 if test "x$want_lua_dir" = "x"
557 # The user didn't tell us where to find Lua. Let's go look for it.
559 # First, try the standard (pkg-config) way.
560 # Unfortunately Lua's pkg-config file isn't standardly named.
561 # Some distributions allow installation of multiple versions of
562 # Lua at the same time. On such systems each version has its
565 # We use a for loop instead of giving all the package names to
566 # PKG_CHECK_MODULES because doing the latter doesn't appear to
567 # work reliably (some package names are not searched for).
568 for pkg in "lua < 5.3" lua5.2 lua-5.2 lua52 lua5.1 lua-5.1 lua51 lua5.0 lua-5.0 lua50
570 AC_MSG_CHECKING(if you have $pkg)
571 PKG_CHECK_EXISTS($pkg,
580 if test "x$have_lua" = "xyes"
582 PKG_WIRESHARK_CHECK_SYSTEM_MODULES(LUA, $pkg)
583 CPPFLAGS="$LUA_CFLAGS $CPPFLAGS"
584 AC_CHECK_HEADERS(lua.h lualib.h lauxlib.h)
590 if test "x$have_lua" != "xyes"
592 # We don't have pkg-config or the user specified the path to
593 # Lua (in $want_lua_dir).
594 # Let's look for the header file.
596 AC_MSG_CHECKING(for the location of lua.h)
597 if test "x$want_lua_dir" = "x"
599 # The user didn't tell us where to look so we'll look in some
600 # standard locations.
601 want_lua_dir="/usr/local /usr $prefix"
603 for dir in $want_lua_dir
605 if test -r "$dir/include/lua.h"
607 header_dir="$dir/include"
612 for ver in 5.2 52 5.1 51 5.0 50
614 if test -r "$dir/include/lua$ver/lua.h"
616 header_dir="$dir/include/lua$ver"
623 if test "x$header_dir" = "x"
626 AC_MSG_RESULT(not found)
628 AC_MSG_RESULT($header_dir)
630 AC_MSG_CHECKING(the Lua version)
631 lua_ver=`$AWK AS_ESCAPE('/LUA_VERSION_NUM/ { print $NF; }' $header_dir/lua.h | sed 's/0/./')`
633 if test "x$lua_ver" = "x5.3"
635 # Wireshark doesn't compile with Lua 5.3 today
636 AC_MSG_RESULT($lua_ver - disabling Lua support)
639 AC_MSG_RESULT($lua_ver)
641 CPPFLAGS="$CPPFLAGS -I$header_dir"
642 AC_CHECK_HEADERS(lua.h lualib.h lauxlib.h, ,
648 if test "x$have_lua" = "x"
651 LUA_CFLAGS="-I$header_dir"
653 # We have the header files and they work. Now let's check if we
654 # have the library and it works.
656 # XXX - if there's also a liblua in a directory that's
657 # already in CPPFLAGS or LDFLAGS, this won't make us find
658 # the version in the specified directory, as the compiler
659 # and/or linker will search that other directory before it
660 # searches the specified directory.
663 LDFLAGS="-L$lua_dir/lib $LDFLAGS"
664 AC_SEARCH_LIBS(luaL_openlibs, [lua-${lua_ver} lua${lua_ver} lua],
666 LUA_LIBS="-L$lua_dir/lib $ac_cv_search_luaL_openlibs -lm"
675 AC_WIRESHARK_POP_FLAGS
679 # AC_WIRESHARK_LIBPORTAUDIO_CHECK
681 AC_DEFUN([AC_WIRESHARK_LIBPORTAUDIO_CHECK],[
683 AC_WIRESHARK_PUSH_FLAGS
684 wireshark_save_LIBS="$LIBS"
686 if test "x$portaudio_dir" != "x"
689 # The user specified a directory in which libportaudio
690 # resides, so add the "include" subdirectory of that directory to
691 # the include file search path and the "lib" subdirectory
692 # of that directory to the library search path.
694 # XXX - if there's also a libportaudio in a directory that's
695 # already in CPPFLAGS or LDFLAGS, this won't make us find
696 # the version in the specified directory, as the compiler
697 # and/or linker will search that other directory before it
698 # searches the specified directory.
700 CPPFLAGS="$CPPFLAGS -I$portaudio_dir/include"
701 LDFLAGS="$LDFLAGS -L$portaudio_dir/lib"
703 LIBS="-lportaudio $LIBS"
706 # Make sure we have "portaudio.h". If we don't, it means we probably
707 # don't have libportaudio, so don't use it.
709 AC_CHECK_HEADERS(portaudio.h,,
711 if test "x$portaudio_dir" != "x"
714 # The user used "--with-portaudio=" to specify a directory
715 # containing libportaudio, but we didn't find the header file
716 # there; that either means they didn't specify the
717 # right directory or are confused about whether libportaudio
718 # is, in fact, installed. Report the error and give up.
720 AC_MSG_ERROR([libportaudio header not found in directory specified in --with-portaudio])
722 if test "x$want_portaudio" = "xyes"
725 # The user tried to force us to use the library, but we
726 # couldn't find the header file; report an error.
728 AC_MSG_ERROR(Header file portaudio.h not found.)
731 # We couldn't find the header file; don't use the
732 # library, as it's probably not present.
740 # Check whether we have the right version of portaudio
742 if test "x$want_portaudio" != "xno"
744 AC_CHECK_TYPE(PortAudioStream,
745 AC_DEFINE(PORTAUDIO_API_1, 1, [Define if we are using version of of the Portaudio library API]),
747 [#include <portaudio.h>])
750 if test "x$want_portaudio" != "xno"
753 # Well, we at least have the portaudio header file.
755 # let's check if the libs are there
758 PORTAUDIO_INCLUDES=""
760 AC_CHECK_LIB(portaudio, Pa_Initialize,
762 if test "x$portaudio_dir" != "x"
765 # Put the "-I" and "-L" flags for portaudio
766 # into PORTAUDIO_INCLUDES and PORTAUDIO_LIBS,
769 PORTAUDIO_LIBS="-L$portaudio_dir/lib -lportaudio"
770 PORTAUDIO_INCLUDES="-I$portaudio_dir/include"
772 PORTAUDIO_LIBS="-lportaudio"
774 AC_DEFINE(HAVE_LIBPORTAUDIO, 1, [Define to use libportaudio library])
777 # User requested --with-portaudio but it isn't available
778 if test "x$want_portaudio" = "xyes"
780 AC_MSG_ERROR(Linking with libportaudio failed.)
784 AC_SUBST(PORTAUDIO_LIBS)
785 AC_SUBST(PORTAUDIO_INCLUDES)
789 LIBS="$wireshark_save_LIBS"
790 AC_WIRESHARK_POP_FLAGS
795 # AC_WIRESHARK_C_ARES_CHECK
797 AC_DEFUN([AC_WIRESHARK_C_ARES_CHECK],
799 want_c_ares=defaultyes
801 if test "x$want_c_ares" = "xdefaultyes"; then
805 if test "x$want_c_ares" = "xyes"; then
806 AC_CHECK_LIB(cares, ares_init,
809 AC_DEFINE(HAVE_C_ARES, 1, [Define to use c-ares library])
813 AC_MSG_RESULT(not required)
819 # AC_WIRESHARK_LIBCAP_CHECK
821 AC_DEFUN([AC_WIRESHARK_LIBCAP_CHECK],
823 want_libcap=defaultyes
825 if test "x$want_libcap" = "xdefaultyes"; then
829 if test "x$want_libcap" = "xyes"; then
830 AC_CHECK_LIB(cap, cap_set_flag,
833 AC_DEFINE(HAVE_LIBCAP, 1, [Define to use the libcap library])
838 AC_MSG_RESULT(not required)
844 # AC_WIRESHARK_KRB5_CHECK
846 AC_DEFUN([AC_WIRESHARK_KRB5_CHECK],
848 AC_WIRESHARK_PUSH_FLAGS
849 wireshark_save_LIBS="$LIBS"
851 if test "x$krb5_dir" != "x"
854 # The user specified a directory in which kerberos resides,
855 # so add the "include" subdirectory of that directory to
856 # the include file search path and the "lib" subdirectory
857 # of that directory to the library search path.
859 # XXX - if there's also a kerberos in a directory that's
860 # already in CPPFLAGS or LDFLAGS, this won't make us find
861 # the version in the specified directory, as the compiler
862 # and/or linker will search that other directory before it
863 # searches the specified directory.
865 KRB5_CFLAGS="-I$krb5_dir/include"
866 ac_heimdal_version=`grep heimdal $krb5_dir/include/krb5.h | head -n 1 | sed 's/^.*heimdal.*$/HEIMDAL/'`
867 # MIT Kerberos moved krb5.h to krb5/krb5.h starting with release 1.5
868 ac_mit_version_olddir=`grep 'Massachusetts' $krb5_dir/include/krb5.h | head -n 1 | sed 's/^.*Massachusetts.*$/MIT/'`
869 ac_mit_version_newdir=`grep 'Massachusetts' $krb5_dir/include/krb5/krb5.h | head -n 1 | sed 's/^.*Massachusetts.*$/MIT/'`
870 ac_krb5_version="$ac_heimdal_version$ac_mit_version_olddir$ac_mit_version_newdir"
871 if test "x$ac_krb5_version" = "xHEIMDAL"
873 KRB5_LIBS="-L$krb5_dir/lib -lkrb5 -lasn1 $SSL_LIBS -lroken -lcrypt"
875 KRB5_LIBS="-L$krb5_dir/lib -lkrb5 -lk5crypto -lcom_err"
877 if test "x$ac_krb5_version" = "xMIT"
879 AC_DEFINE(HAVE_MIT_KERBEROS, 1, [Define to use MIT kerberos])
882 AC_PATH_TOOL(KRB5_CONFIG, krb5-config)
883 if test -x "$KRB5_CONFIG"
885 KRB5_CFLAGS=`"$KRB5_CONFIG" --cflags`
886 KRB5_LIBS=`"$KRB5_CONFIG" --libs`
888 # If -lcrypto is in KRB5_FLAGS, we require it to build
889 # with Heimdal/MIT. We don't want to built with it by
890 # default, due to annoying license incompatibilities
891 # between the OpenSSL license and the GPL, so:
893 # if SSL_LIBS is set to a non-empty string, we
894 # remove -lcrypto from KRB5_LIBS and replace
897 # if SSL_LIBS is not set to a non-empty string
898 # we fail with an appropriate error message.
902 if test ! -z "$SSL_LIBS"
904 KRB5_LIBS=`echo $KRB5_LIBS | sed 's/-lcrypto//'`
905 KRB5_LIBS="$KRB5_LIBS $SSL_LIBS"
907 AC_MSG_ERROR([Kerberos library requires -lcrypto, so you must specify --with-ssl])
911 ac_krb5_version=`"$KRB5_CONFIG" --version | head -n 1 | sed -e 's/^.*heimdal.*$/HEIMDAL/' -e 's/^Kerberos .*$/MIT/' -e 's/^Solaris Kerberos .*$/MIT/'`
915 CPPFLAGS="$CPPFLAGS $KRB5_CFLAGS"
918 # Make sure we have "krb5.h". If we don't, it means we probably
919 # don't have kerberos, so don't use it.
921 AC_CHECK_HEADER(krb5.h,,
923 if test "x$krb5_dir" != "x"
926 # The user used "--with-krb5=" to specify a directory
927 # containing kerberos, but we didn't find the header file
928 # there; that either means they didn't specify the
929 # right directory or are confused about whether kerberos
930 # is, in fact, installed. Report the error and give up.
932 AC_MSG_ERROR([kerberos header not found in directory specified in --with-krb5])
934 if test "x$want_krb5" = "xyes"
937 # The user tried to force us to use the library, but we
938 # couldn't find the header file; report an error.
940 AC_MSG_ERROR(Header file krb5.h not found.)
943 # We couldn't find the header file; don't use the
944 # library, as it's probably not present.
949 AC_MSG_RESULT(No Heimdal or MIT header found - disabling dissection for some kerberos data in packet decoding)
954 if test "x$want_krb5" != "xno"
957 # Well, we at least have the krb5 header file.
958 # Check whether this is Heimdal or MIT.
960 AC_MSG_CHECKING(whether the Kerberos library is Heimdal or MIT)
961 if test "x$ac_krb5_version" = "xHEIMDAL" -o "x$ac_krb5_version" = "xMIT"
965 # Check whether we have krb5_kt_resolve - and whether
966 # we need to link with -lresolv when linking with
967 # the Kerberos library.
969 AC_MSG_RESULT($ac_krb5_version)
970 found_krb5_kt_resolve=no
971 for extras in "" "-lresolv"
973 LIBS="$KRB5_LIBS $extras $wireshark_save_LIBS"
976 AC_MSG_CHECKING([whether $ac_krb5_version includes krb5_kt_resolve])
978 AC_MSG_CHECKING([whether $ac_krb5_version includes krb5_kt_resolve (linking with $extras)])
988 # We found "krb5_kt_resolve()".
991 if test -n "$extras"; then
992 KRB5_LIBS="$KRB5_LIBS $extras"
994 AC_DEFINE(HAVE_KERBEROS, 1, [Define to use kerberos])
995 if test "x$ac_krb5_version" = "xHEIMDAL"
997 AC_DEFINE(HAVE_HEIMDAL_KERBEROS, 1, [Define to use heimdal kerberos])
998 elif test "x$ac_krb5_version" = "xMIT"
1000 AC_DEFINE(HAVE_MIT_KERBEROS, 1, [Define to use MIT kerberos])
1002 found_krb5_kt_resolve=yes
1009 if test "$found_krb5_kt_resolve" = no
1012 # We didn't find "krb5_kt_resolve()" in the
1013 # Kerberos library, even when we tried linking
1014 # with -lresolv; we can't link with kerberos.
1016 if test "x$want_krb5" = "xyes"
1019 # The user tried to force us to use the library,
1020 # but we can't do so; report an error.
1022 AC_MSG_ERROR(Usable $ac_krb5_version not found)
1027 AC_MSG_RESULT(Usable $ac_krb5_version not found - disabling dissection for some kerberos data in packet decoding)
1034 # We can link with Kerberos; see whether krb5.h
1035 # defines KEYTYPE_ARCFOUR_56 (where "defines" means
1036 # "as a #define or as an enum member).
1038 AC_MSG_CHECKING([whether krb5.h defines KEYTYPE_ARCFOUR_56])
1048 printf("%u\n", KEYTYPE_ARCFOUR_56);
1054 AC_DEFINE(HAVE_KEYTYPE_ARCFOUR_56, 1, [Define if krb5.h defines KEYTYPE_ARCFOUR_56])
1062 # It's not Heimdal or MIT.
1065 if test "x$want_krb5" = "xyes"
1068 # The user tried to force us to use the library,
1069 # but we can't do so; report an error.
1071 AC_MSG_ERROR(Kerberos not found)
1076 AC_MSG_RESULT(Kerberos not found - disabling dissection for some kerberos data in packet decoding)
1084 # The user asked us not to use Kerberos, or they didn't
1085 # say whether they wanted us to use it but we found
1092 AC_SUBST(KRB5_CFLAGS)
1095 LIBS="$wireshark_save_LIBS"
1096 AC_WIRESHARK_POP_FLAGS
1100 # AC_WIRESHARK_GEOIP_CHECK
1102 AC_DEFUN([AC_WIRESHARK_GEOIP_CHECK],
1104 want_geoip=defaultyes
1106 if test "x$want_geoip" = "xdefaultyes"; then
1110 if test "x$want_geoip" = "xyes"; then
1111 AC_CHECK_LIB(GeoIP, GeoIP_new,
1114 AC_DEFINE(HAVE_GEOIP, 1, [Define to use GeoIP library])
1118 if test "x$have_good_geoip" = "xyes"; then
1119 AC_CHECK_LIB(GeoIP, GeoIP_country_name_by_ipnum_v6,
1121 AC_DEFINE(HAVE_GEOIP_V6, 1, [Define if GeoIP supports IPv6 (GeoIP 1.4.5 and later)])
1126 AC_MSG_RESULT(not required)
1131 # AC_WIRESHARK_LIBSSH_CHECK
1133 AC_DEFUN([AC_WIRESHARK_LIBSSH_CHECK],
1135 want_libssh=defaultyes
1137 if test "x$want_libssh" = "xdefaultyes"; then
1141 if test "x$want_libssh" = "xyes"; then
1142 AC_CHECK_LIB(ssh, ssh_new,
1145 AC_DEFINE(HAVE_LIBSSH, 1, [Define to use libssh library])
1146 have_good_libssh=yes
1149 AC_MSG_CHECKING([whether libssh >= 0.6.0 for sshdump, ciscodump])
1150 PKG_CHECK_EXISTS([libssh >= 0.6.0],
1153 AC_DEFINE(HAVE_LIBSSH_POINTSIX, 1, [Defined if libssh >= 0.6.0])
1154 have_libssh_pointsix=yes
1158 if test "x$have_libssh_pointsix" = "xyes"; then
1159 # ssh_userauth_agent exists only >= 0.6.0, but not on Windows
1160 # so check explicitly
1161 AC_CHECK_LIB(ssh, ssh_userauth_agent,
1163 AC_DEFINE(HAVE_SSH_USERAUTH_AGENT, 1, [Libssh library has ssh_userauth_agent])
1164 have_ssh_userauth_agent=yes
1169 AC_MSG_RESULT(not required)
1173 #AC_WIRESHARK_LDFLAGS_CHECK
1175 # $1 : ldflag(s) to test
1177 # We attempt to compile and link a test program with the specified linker
1178 # flag. The defined flag is added to LDFLAGS only if the link succeeds.
1180 AC_DEFUN([AC_WIRESHARK_LDFLAGS_CHECK],
1182 AC_MSG_CHECKING(whether we can add $LD_OPTION to LDFLAGS)
1183 AC_WIRESHARK_PUSH_FLAGS
1184 LDFLAGS="$LDFLAGS $LD_OPTION"
1185 can_add_to_ldflags=""
1188 AC_LANG_SOURCE([[main() { return; }]])
1192 AX_APPEND_FLAG([$LD_OPTION], [WS_LDFLAGS])
1193 can_add_to_ldflags=yes
1197 can_add_to_ldflags=no
1199 AC_WIRESHARK_POP_FLAGS
1203 dnl Check whether, if you pass an unknown warning option to the
1204 dnl compiler, it fails or just prints a warning message and succeeds.
1205 dnl Set ac_wireshark_unknown_warning_option_error to the appropriate flag
1206 dnl to force an error if it would otherwise just print a warning message
1209 AC_DEFUN([AC_WIRESHARK_CHECK_UNKNOWN_WARNING_OPTION_ERROR],
1211 AC_MSG_CHECKING([whether the compiler fails when given an unknown warning option])
1212 AC_WIRESHARK_PUSH_FLAGS
1213 CFLAGS="$CFLAGS -Wxyzzy-this-will-never-succeed-xyzzy"
1218 AC_MSG_RESULT([no, adding -Werror=unknown-warning-option])
1220 # We're assuming this is clang, where
1221 # -Werror=unknown-warning-option is the appropriate
1222 # option to force the compiler to fail.
1224 ac_wireshark_unknown_warning_option_error="-Werror=unknown-warning-option"
1227 AC_MSG_RESULT([yes])
1229 AC_WIRESHARK_POP_FLAGS
1233 dnl Check whether, if you pass a valid-for-C-but-not-C++ option to the
1234 dnl compiler, it fails or just prints a warning message and succeeds.
1235 dnl Set ac_wireshark_non_cxx_warning_option_error to the appropriate flag
1236 dnl to force an error if it would otherwise just print a warning message
1239 AC_DEFUN([AC_WIRESHARK_CHECK_NON_CXX_WARNING_OPTION_ERROR],
1241 AC_MSG_CHECKING([whether the compiler fails when given an warning option not supported for C++])
1243 # Some C+ compilers warn about -Wmissing-prototypes, and some warn
1244 # about -Wmissing-declarations. Check both.
1247 AC_WIRESHARK_PUSH_FLAGS
1248 save_CXXFLAGS="$CXXFLAGS"
1249 for flag in -Wmissing-prototypes -Wmissing-declarations; do
1250 CXXFLAGS="$save_CXXFLAGS $flag"
1256 # We're assuming this is g++, where -Werror is the
1257 # appropriate option to force the compiler to fail.
1258 # Check whether it fails with -Werror.
1260 # NOTE: it's important to put -Werror *before*
1261 # the flag, otherwise, when it sees the flag,
1262 # it doesn't yet know that warnings should be
1263 # treated as errors, and doesn't treat the
1264 # "that's C-only" warning as an error.
1266 CXXFLAGS="$save_CXXFLAGS -Werror $flag"
1272 # No, so this option is actually OK
1273 # with our C++ compiler.
1275 # (We need an empty command here to
1276 # prevent some versions of autoconf
1277 # from generating a script with an
1278 # empty "then" clause for an if statement.)
1284 # Yes, so we need -Werror for the tests.
1286 ac_wireshark_non_cxx_warning_option_error="-Werror"
1291 AC_WIRESHARK_POP_FLAGS
1293 if test x$ac_wireshark_non_cxx_warning_option_error = x; then
1294 AC_MSG_RESULT([yes])
1296 AC_MSG_RESULT([no, adding -Werror])
1301 # AC_WIRESHARK_COMPILER_FLAGS_CHECK
1303 # $1 : flags to test
1304 # $2 : if supplied, C for C-only flags, CXX for C++-only flags
1305 # $3 : if supplied, a program to try to compile with the flag
1306 # and, if the compile fails when -Werror is turned on,
1307 # we don't add the flag - used for warning flags that
1308 # issue incorrect or non-useful warnings with some
1310 # $4 : must be supplied if $3 is supplied - a message describing
1311 # for what the test program is testing
1313 # The macro first determines if the compiler supports GCC-style flags.
1314 # Then it attempts to compile with the defined cflags. The defined
1315 # flags are added to WS_CHECKED_CFLAGS only if the compilation succeeds.
1316 # CFLAGS remains unchanged. can_add_to_cflags is set to "no" when the
1317 # flag is checked but unavailable. (Like-wise for CXXFLAGS.)
1319 # We do this because not all such options are necessarily supported by
1320 # the version of the particular compiler we're using.
1322 AC_DEFUN([AC_WIRESHARK_COMPILER_FLAGS_CHECK],
1324 can_add_to_cflags=""
1325 can_add_to_cxxflags=""
1326 if test "x$ac_supports_gcc_flags" = "xyes" ; then
1327 if test "$2" != CXX ; then
1329 # Not C++-only; if this can be added to the C compiler flags, add them.
1331 # If the option begins with "-W", add
1332 # $ac_wireshark_unknown_warning_option_error to make sure that
1333 # we'll get an error if it's an unknown warning option; not all
1334 # compilers treat unknown warning options as errors (I'm looking at
1337 # If the option begins with "-f" or "-m", add -Werror to make sure
1338 # that we'll get an error if we get "argument unused during compilation"
1339 # warnings, as those will either cause a failure for files compiled
1340 # with -Werror or annoying noise for files compiled without it.
1341 # (Yeah, you, clang.)
1343 AC_MSG_CHECKING(whether we can add $GCC_OPTION to CFLAGS)
1344 AC_WIRESHARK_PUSH_FLAGS
1345 if expr "x$GCC_OPTION" : "x-W.*" >/dev/null
1347 CFLAGS="$CFLAGS $ac_wireshark_unknown_warning_option_error $GCC_OPTION"
1348 elif expr "x$GCC_OPTION" : "x-f.*" >/dev/null
1350 CFLAGS="$CFLAGS -Werror $GCC_OPTION"
1351 elif expr "x$GCC_OPTION" : "x-m.*" >/dev/null
1353 CFLAGS="$CFLAGS -Werror $GCC_OPTION"
1355 CFLAGS="$CFLAGS $GCC_OPTION"
1359 AC_LANG_SOURCE([[int foo;]])
1363 can_add_to_cflags=yes
1365 # OK, do we have a test program? If so, check
1366 # whether it fails with this option and -Werror,
1367 # and, if so, don't include it.
1369 # We test arg 4 here because arg 3 is a program which
1370 # could contain quotes (breaking the comparison).
1372 if test "x$4" != "x" ; then
1373 CFLAGS="$CFLAGS -Werror"
1374 AC_MSG_CHECKING(whether $GCC_OPTION $4)
1376 [AC_LANG_SOURCE($3)],
1380 # Remove "force an error for a warning" options, if we
1381 # added them, by setting CFLAGS to the saved value plus
1382 # just the new option.
1384 AX_APPEND_FLAG([$GCC_OPTION], [WS_CFLAGS])
1385 if test "$CC" = "$CC_FOR_BUILD"; then
1387 # We're building the build tools with the same compiler
1388 # with which we're building Wireshark, so add the flags
1389 # to the flags for that compiler as well.
1391 AX_APPEND_FLAG([$GCC_OPTION], [WS_CFLAGS_FOR_BUILD])
1399 # Remove "force an error for a warning" options, if we
1400 # added them, by setting CFLAGS to the saved value plus
1401 # just the new option.
1403 AX_APPEND_FLAG([$GCC_OPTION], [WS_CFLAGS])
1404 if test "$CC" = "$CC_FOR_BUILD"; then
1406 # We're building the build tools with the same compiler
1407 # with which we're building Wireshark, so add the flags
1408 # to the flags for that compiler as well.
1410 AX_APPEND_FLAG([$GCC_OPTION], [WS_CFLAGS_FOR_BUILD])
1416 can_add_to_cflags=no
1418 AC_WIRESHARK_POP_FLAGS
1421 # Did we find a C++ compiler?
1423 if test "x$CXX" != "x" ; then
1425 # Yes. Is this option only for the C compiler?
1427 if test "$2" != C ; then
1429 # Not C-only; if this option can be added to the C++ compiler
1432 # If the option begins with "-W", add
1433 # $ac_wireshark_unknown_warning_option_error, as per the above, and
1434 # also add $ac_wireshark_non_cxx_warning_option_error, because at
1435 # lease some versions of g++ whine about -Wmissing-prototypes, the
1436 # fact that at least one of those versions refuses to warn about
1437 # function declarations without an earlier declaration nonwithstanding;
1438 # perhaps there's a reason not to warn about that with C++ even though
1439 # warning about it can be a Good Idea with C, but it's not obvious to
1442 # If the option begins with "-f" or "-m", add -Werror to make sure
1443 # that we'll get an error if we get "argument unused during compilation"
1444 # warnings, as those will either cause a failure for files compiled
1445 # with -Werror or annoying noise for files compiled without it.
1446 # (Yeah, you, clang++.)
1448 AC_MSG_CHECKING(whether we can add $GCC_OPTION to CXXFLAGS)
1449 AC_WIRESHARK_PUSH_FLAGS
1450 if expr "x$GCC_OPTION" : "x-W.*" >/dev/null
1452 CXXFLAGS="$CXXFLAGS $ac_wireshark_unknown_warning_option_error $ac_wireshark_non_cxx_warning_option_error $GCC_OPTION"
1453 elif expr "x$GCC_OPTION" : "x-f.*" >/dev/null
1455 CXXFLAGS="$CXXFLAGS -Werror $GCC_OPTION"
1456 elif expr "x$GCC_OPTION" : "x-m.*" >/dev/null
1458 CXXFLAGS="$CXXFLAGS -Werror $GCC_OPTION"
1460 CXXFLAGS="$CXXFLAGS $GCC_OPTION"
1465 AC_LANG_SOURCE([[int foo;]])
1469 can_add_to_cxxflags=yes
1471 # OK, do we have a test program? If so, check
1472 # whether it fails with this option and -Werror,
1473 # and, if so, don't include it.
1475 # We test arg 4 here because arg 3 is a program which
1476 # could contain quotes (breaking the comparison).
1478 if test "x$4" != "x" ; then
1479 CXXFLAGS="$CXXFLAGS -Werror"
1480 AC_MSG_CHECKING(whether $GCC_OPTION $4)
1482 [AC_LANG_SOURCE($3)],
1486 # Remove "force an error for a warning" options, if we
1487 # added them, by setting CXXFLAGS to the saved value plus
1488 # just the new option.
1490 AX_APPEND_FLAG([$GCC_OPTION], [WS_CXXFLAGS])
1497 # Remove "force an error for a warning" options, if we
1498 # added them, by setting CXXFLAGS to the saved value plus
1499 # just the new option.
1501 AX_APPEND_FLAG([$GCC_OPTION], [WS_CXXFLAGS])
1506 can_add_to_cxxflags=no
1508 AC_WIRESHARK_POP_FLAGS
1511 if test "(" "$can_add_to_cflags" = "yes" -a "$can_add_to_cxxflags" = "no" ")" \
1512 -o "(" "$can_add_to_cflags" = "no" -a "$can_add_to_cxxflags" = "yes" ")"
1515 # Confusingly, some C++ compilers like -Wmissing-prototypes but
1516 # don't like -Wmissing-declarations and others like
1517 # -Wmissing-declarations but don't like -Wmissing-prototypes,
1518 # the fact that the corresponding C compiler likes both. Don't
1521 if test "(" x$GCC_OPTION != x-Wmissing-prototypes ")" \
1522 -a "(" x$GCC_OPTION != x-Wmissing-declarations ")"
1524 AC_MSG_WARN([$CC and $CXX appear to be a mismatched pair])
1531 # AC_WIRESHARK_GCC_FORTIFY_SOURCE_CHECK
1533 # Checks if '-D_FORTIFY_SOURCE=...' is OK to use in CPPFLAGS.
1534 # Use '-D_FORTIFY_SOURCE=...' in CPPFLAGS only if the GCC 'optimization level' is > 0.
1535 # The use of '-D_FORTIFY_SOURCE=...' will cause a warning with at least some versions
1536 # of glibc if the GCC "optimization level" is 0 (default or -O or -O0)
1537 # when using GCC to compile a source file which references the macro definition.
1539 # See: http://gcc.gnu.org/ml/gcc-patches/2004-09/msg02055.html
1540 # See: http://sourceware.org/bugzilla/show_bug.cgi?id=13979
1542 # We'll use '-D_FORTIFY_SOURCE=2' only if there's no warning; Among other things this means
1543 # that the use of '-D_FORTIFY_SOURCE=2' with '-Werror' and '-O0' won't cause
1544 # the compiler to stop on error.
1545 # Assumption: CFLAGS already contains whatever optimization option including none) is
1549 AC_DEFUN([AC_WIRESHARK_GCC_FORTIFY_SOURCE_CHECK],
1551 if test "x$GCC" = "xyes" -o "x$CC" = "xclang" ; then
1552 AC_MSG_CHECKING([whether -D_FORTIFY_SOURCE=2 can be used (without generating a warning)])
1553 AC_WIRESHARK_PUSH_FLAGS
1554 CFLAGS="$CFLAGS -Werror"
1555 CPPFLAGS="$CPPFLAGS -D_FORTIFY_SOURCE=2"
1563 AX_APPEND_FLAG([-D_FORTIFY_SOURCE=2], [WS_CPPFLAGS])
1568 AC_WIRESHARK_POP_FLAGS
1573 # AC_WIRESHARK_GCC_SYSTEM_INCLUDE
1575 # Replace -I include flag for -isystem in FLAGS argument
1577 AC_DEFUN([AC_WIRESHARK_GCC_SYSTEM_INCLUDE],
1579 if test "x$GCC" = "xyes" -o "x$CC" = "xclang" ; then
1580 $1=`printf %s " $$1" \
1581 | sed -e 's/ *-I *\// -isystem\//g' -e 's/^ *//'`
1586 # PKG_WIRESHARK_CHECK_SYSTEM_MODULES
1588 AC_DEFUN([PKG_WIRESHARK_CHECK_SYSTEM_MODULES],
1590 PKG_CHECK_MODULES($@)
1591 AC_WIRESHARK_GCC_SYSTEM_INCLUDE($1_CFLAGS)
1594 # Based on AM_PATH_GTK in gtk-2.0.m4.
1596 dnl AC_WIRESHARK_QT_MODULE_CHECK_WITH_QT_VERSION([MODULE, MINIMUM-VERSION,
1597 dnl REQUESTED-MAJOR_VERSION, [ACTION-IF-FOUND, [ACTION-IF-NOT-FOUND]]])
1598 dnl Test for a particular Qt module, for a particular Qt major version,
1599 dnl and, if we find it add the flags and libraries for it to Qt_CFLAGS
1602 AC_DEFUN([AC_WIRESHARK_QT_MODULE_CHECK_WITH_QT_VERSION],
1612 # Version of the module we're checking for.
1615 min_qt_version=ifelse([$2], ,4.0.0,$2)
1624 # Version of the module we're checking for.
1627 min_qt_version=5.0.0
1631 AC_MSG_ERROR([Qt version $3 is not a known Qt version])
1635 pkg_config_module="${modprefix}$1"
1636 AC_MSG_CHECKING(for $pkg_config_module - version >= $min_qt_version)
1637 if $PKG_CONFIG --atleast-version $min_qt_version $pkg_config_module; then
1638 mod_version=`$PKG_CONFIG --modversion $pkg_config_module`
1639 AC_MSG_RESULT(yes (version $mod_version))
1640 mod_cflags=`$PKG_CONFIG --cflags $pkg_config_module`
1641 AC_WIRESHARK_GCC_SYSTEM_INCLUDE(mod_cflags)
1642 Qt_CFLAGS="$Qt_CFLAGS $mod_cflags"
1643 Qt_LIBS="$Qt_LIBS `$PKG_CONFIG --libs $pkg_config_module`"
1644 # Run Action-If-Found
1645 ifelse([$4], , :, [$4])
1648 # Run Action-If-Not-Found
1649 ifelse([$5], , :, [$5])
1653 dnl AC_WIRESHARK_QT_MODULE_CHECK([MODULE, MINIMUM-VERSION,
1654 dnl REQUESTED-MAJOR_VERSION, [ACTION-IF-FOUND, [ACTION-IF-NOT-FOUND]]])
1655 dnl Test for a particular Qt module and add the flags and libraries
1656 dnl for it to Qt_CFLAGS and Qt_LIBS.
1658 AC_DEFUN([AC_WIRESHARK_QT_MODULE_CHECK],
1661 # Prior to Qt 5, modules were named QtXXX.
1662 # In Qt 5, they're named Qt5XXX.
1663 # This will need to change to handle future major Qt releases.
1669 # Check for all versions of Qt we support.
1670 # Try the Qt 5 version first.
1690 AC_MSG_ERROR([Qt version $3 is not a known Qt version])
1694 for version in $versions
1696 AC_WIRESHARK_QT_MODULE_CHECK_WITH_QT_VERSION($1, $2,
1697 $version, [foundit=yes], [foundit=no])
1698 if test "x$foundit" = "xyes"; then
1703 if test "x$foundit" = "xyes"; then
1704 # Remember which version of Qt we found
1706 # Run Action-If-Found
1707 ifelse([$4], , :, [$4])
1709 # Run Action-If-Not-Found
1710 ifelse([$5], , :, [$5])
1714 AC_DEFUN([AC_WIRESHARK_QT_ADD_PIC_IF_NEEDED],
1717 AC_WIRESHARK_PUSH_FLAGS
1718 CPPFLAGS="$CPPFLAGS $Qt_CFLAGS"
1719 AC_MSG_CHECKING([whether Qt works without -fPIC])
1721 [AC_LANG_SOURCE([[#include <QtCore>]])],
1722 [AC_MSG_RESULT(yes)],
1725 AC_MSG_CHECKING([whether Qt works with -fPIC])
1726 CPPFLAGS="$CPPFLAGS -fPIC"
1728 [AC_LANG_SOURCE([[#include <QtCore>]])],
1731 Qt_CFLAGS="$Qt_CFLAGS -fPIC"
1735 AC_MSG_ERROR(Couldn't compile Qt without -fPIC nor with -fPIC)
1738 AC_WIRESHARK_POP_FLAGS
1742 dnl AC_WIRESHARK_QT_CHECK([MINIMUM-VERSION, REQUESTED-MAJOR_VERSION,
1743 dnl [ACTION-IF-FOUND, [ACTION-IF-NOT-FOUND]]])
1744 dnl Test for Qt and define Qt_CFLAGS and Qt_LIBS.
1746 AC_DEFUN([AC_WIRESHARK_QT_CHECK],
1748 qt_version_to_check="$2"
1751 # Check for the Core module; if we don't have that,
1752 # we don't have Qt. If we *do* have it, we know what
1753 # version it is, so only check for that version of
1756 AC_WIRESHARK_QT_MODULE_CHECK(Core, $1, $qt_version_to_check,
1758 qt_version_to_check=$qt_version
1759 QT_VERSION=$mod_version
1760 QT_VERSION_MAJOR=`echo "$QT_VERSION" | cut -f1 -d.`
1761 QT_VERSION_MINOR=`echo "$QT_VERSION" | cut -f2 -d.`
1762 QT_VERSION_MICRO=`echo "$QT_VERSION" | cut -f3 -d.`
1764 # Qt 5.7 and later requires C++11
1765 AS_IF([test $QT_VERSION_MAJOR -eq 5 -a $QT_VERSION_MINOR -ge 7],
1766 [AS_IF([test "$HAVE_CXX11" -eq 0], [AC_MSG_ERROR([Qt 5.7 and later requires C++11])])])
1771 if test x"$no_qt" = x ; then
1773 # We need the Gui module as well.
1775 AC_WIRESHARK_QT_MODULE_CHECK(Gui, $1, $qt_version_to_check, ,
1779 if test x"$no_qt" = x ; then
1781 # Qt 5.0 appears to move the widgets out of Qt GUI
1782 # to Qt Widgets; look for the Widgets module, but
1783 # don't fail if we don't have it.
1785 AC_WIRESHARK_QT_MODULE_CHECK(Widgets, $1, $qt_version_to_check)
1788 # Qt 5.0 also appears to move the printing support into
1789 # the Qt PrintSupport module.
1791 AC_WIRESHARK_QT_MODULE_CHECK(PrintSupport, $1, $qt_version_to_check)
1794 # Qt 5.0 added multimedia in the Qt
1795 # Multimedia module.
1797 have_qt_multimedia_lib=no
1798 AC_WIRESHARK_QT_MODULE_CHECK(Multimedia, $1, $qt_version_to_check,
1799 have_qt_multimedia_lib=yes
1800 AC_DEFINE(QT_MULTIMEDIA_LIB, 1, [Define if we have QtMultimedia]))
1803 # While we're at it, look for QtMacExtras. (Presumably
1804 # if we're not building for OS X, it won't be present.)
1806 # XXX - is there anything in QtX11Extras or QtWinExtras
1807 # that we should be using?
1809 AC_WIRESHARK_QT_MODULE_CHECK(MacExtras, $1, $qt_version_to_check,
1810 AC_DEFINE(QT_MACEXTRAS_LIB, 1, [Define if we have QtMacExtras]))
1812 AC_WIRESHARK_QT_ADD_PIC_IF_NEEDED
1814 # Run Action-If-Found
1815 ifelse([$3], , :, [$3])
1817 # Run Action-If-Not-Found
1818 ifelse([$4], , :, [$4])
1823 dnl AC_WIRESHARK_QT_TOOL_CHECK([TOOLPATHVAR, TOOL, REQUESTED-MAJOR_VERSION])
1824 dnl Test for a particular Qt tool for some specific version of Qt
1826 AC_DEFUN([AC_WIRESHARK_QT_TOOL_CHECK],
1829 # At least in some versions of Debian/Ubuntu, and perhaps
1830 # other OSes, the Qt build tools are just links to a
1831 # program called "qtchooser", and even if you want to
1832 # build with Qt 5, running the tool might give you the
1833 # Qt 4 version of the tool unless you run the tool with
1836 # So we look for qtchooser and, if we find it, use the
1837 # -qt={version} argument, otherwise we look for particular
1838 # tool versions using tool name suffixes.
1840 AC_PATH_PROG(QTCHOOSER, qtchooser)
1841 if test ! -z "$QTCHOOSER"; then
1843 # We found qtchooser; we assume that means that
1844 # the tool is linked to qtchooser, so that we
1845 # can run it with the -qt={version} flag to get
1846 # the appropriate version of the tool.
1848 AC_PATH_PROG($1, $2)
1849 if test "x$$1" = x; then
1851 # We can't build Qt Wireshark without that
1854 AC_MSG_ERROR(I couldn't find $2; make sure it's installed and in your path)
1858 # Add the -qt={version} argument to it.
1860 $1="$$1 -qt=$qt_version"
1863 # Annoyingly, on some Linux distros (e.g. Debian)
1864 # the Qt 5 tools have no suffix and the Qt 4 tools
1865 # have suffix -qt4. On other distros (e.g. openSUSE)
1866 # the Qt 5 tools have suffix -qt5 and the Qt 4 tools
1869 # So we check for the tool first with the -qtN suffix
1870 # and then with no suffix.
1872 AC_PATH_PROGS($1, [$2-qt$qt_version $2])
1873 if test "x$$1" = x; then
1875 # We can't build Qt Wireshark without that
1878 AC_MSG_ERROR(I couldn't find $2-qt$qt_version or $2; make sure it's installed and in your path)
1883 AC_DEFUN([AC_WIRESHARK_QT_TOOL_CHECK_LRELEASE],
1885 AC_WIRESHARK_QT_TOOL_CHECK(LRELEASE, lrelease, $2)
1886 AC_MSG_CHECKING(whether lrelease -version works)
1887 lrelease_version=`$LRELEASE -version 2>&AS_MESSAGE_LOG_FD`
1888 AS_IF([test $? -ne 0],
1891 AC_MSG_ERROR([$LRELEASE -version returned non-zero exit status])
1893 AC_MSG_RESULT([ok, $lrelease_version])