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 $extras)])
985 krb5_kt_resolve(0, 0, 0);
989 # We found "krb5_kt_resolve()".
992 if test -n "$extras"; then
993 KRB5_LIBS="$KRB5_LIBS $extras"
995 AC_DEFINE(HAVE_KERBEROS, 1, [Define to use kerberos])
996 if test "x$ac_krb5_version" = "xHEIMDAL"
998 AC_DEFINE(HAVE_HEIMDAL_KERBEROS, 1, [Define to use heimdal kerberos])
999 elif test "x$ac_krb5_version" = "xMIT"
1001 AC_DEFINE(HAVE_MIT_KERBEROS, 1, [Define to use MIT kerberos])
1003 found_krb5_kt_resolve=yes
1010 if test "$found_krb5_kt_resolve" = no
1013 # We didn't find "krb5_kt_resolve()" in the
1014 # Kerberos library, even when we tried linking
1015 # with -lresolv; we can't link with kerberos.
1017 if test "x$want_krb5" = "xyes"
1020 # The user tried to force us to use the library,
1021 # but we can't do so; report an error.
1023 AC_MSG_ERROR(Usable $ac_krb5_version not found)
1028 AC_MSG_RESULT(Usable $ac_krb5_version not found - disabling dissection for some kerberos data in packet decoding)
1035 # We can link with Kerberos; see whether krb5.h
1036 # defines KEYTYPE_ARCFOUR_56 (where "defines" means
1037 # "as a #define or as an enum member).
1039 AC_MSG_CHECKING([whether krb5.h defines KEYTYPE_ARCFOUR_56])
1049 printf("%u\n", KEYTYPE_ARCFOUR_56);
1055 AC_DEFINE(HAVE_KEYTYPE_ARCFOUR_56, 1, [Define if krb5.h defines KEYTYPE_ARCFOUR_56])
1063 # It's not Heimdal or MIT.
1066 if test "x$want_krb5" = "xyes"
1069 # The user tried to force us to use the library,
1070 # but we can't do so; report an error.
1072 AC_MSG_ERROR(Kerberos not found)
1077 AC_MSG_RESULT(Kerberos not found - disabling dissection for some kerberos data in packet decoding)
1085 # The user asked us not to use Kerberos, or they didn't
1086 # say whether they wanted us to use it but we found
1093 AC_SUBST(KRB5_CFLAGS)
1096 LIBS="$wireshark_save_LIBS"
1097 AC_WIRESHARK_POP_FLAGS
1101 # AC_WIRESHARK_GEOIP_CHECK
1103 AC_DEFUN([AC_WIRESHARK_GEOIP_CHECK],
1105 want_geoip=defaultyes
1107 if test "x$want_geoip" = "xdefaultyes"; then
1111 if test "x$want_geoip" = "xyes"; then
1112 AC_CHECK_LIB(GeoIP, GeoIP_new,
1115 AC_DEFINE(HAVE_GEOIP, 1, [Define to use GeoIP library])
1119 if test "x$have_good_geoip" = "xyes"; then
1120 AC_CHECK_LIB(GeoIP, GeoIP_country_name_by_ipnum_v6,
1122 AC_DEFINE(HAVE_GEOIP_V6, 1, [Define if GeoIP supports IPv6 (GeoIP 1.4.5 and later)])
1127 AC_MSG_RESULT(not required)
1132 # AC_WIRESHARK_LIBSSH_CHECK
1134 AC_DEFUN([AC_WIRESHARK_LIBSSH_CHECK],
1136 want_libssh=defaultyes
1138 if test "x$want_libssh" = "xdefaultyes"; then
1142 if test "x$want_libssh" = "xyes"; then
1143 AC_CHECK_LIB(ssh, ssh_new,
1146 AC_DEFINE(HAVE_LIBSSH, 1, [Define to use libssh library])
1147 have_good_libssh=yes
1150 AC_MSG_CHECKING([whether libssh >= 0.6.0 for sshdump, ciscodump])
1151 PKG_CHECK_EXISTS([libssh >= 0.6.0],
1154 AC_DEFINE(HAVE_LIBSSH_POINTSIX, 1, [Defined if libssh >= 0.6.0])
1155 have_libssh_pointsix=yes
1159 if test "x$have_libssh_pointsix" = "xyes"; then
1160 # ssh_userauth_agent exists only >= 0.6.0, but not on Windows
1161 # so check explicitly
1162 AC_CHECK_LIB(ssh, ssh_userauth_agent,
1164 AC_DEFINE(HAVE_SSH_USERAUTH_AGENT, 1, [Libssh library has ssh_userauth_agent])
1165 have_ssh_userauth_agent=yes
1170 AC_MSG_RESULT(not required)
1175 # AC_WIRESHARK_NGHTTP2_CHECK
1177 AC_DEFUN([AC_WIRESHARK_NGHTTP2_CHECK],
1179 want_nghttp2=defaultyes
1181 if test "x$want_nghttp2" = "xdefaultyes"; then
1185 if test "x$want_nghttp2" = "xyes"; then
1186 AC_CHECK_LIB(nghttp2, nghttp2_hd_inflate_new,
1188 AC_CHECK_HEADERS(nghttp2/nghttp2.h,
1190 NGHTTP2_LIBS=-lnghttp2
1191 AC_DEFINE(HAVE_NGHTTP2, 1, [Define to use nghttp2 library])
1192 have_good_nghttp2=yes
1198 AC_MSG_RESULT(not required)
1202 #AC_WIRESHARK_LDFLAGS_CHECK
1204 # $1 : ldflag(s) to test
1206 # We attempt to compile and link a test program with the specified linker
1207 # flag. The defined flag is added to LDFLAGS only if the link succeeds.
1209 AC_DEFUN([AC_WIRESHARK_LDFLAGS_CHECK],
1211 AC_MSG_CHECKING(whether we can add $LD_OPTION to LDFLAGS)
1212 AC_WIRESHARK_PUSH_FLAGS
1213 LDFLAGS="$LDFLAGS $LD_OPTION"
1214 can_add_to_ldflags=""
1217 AC_LANG_SOURCE([[int main() { return 0; }]])
1221 AX_APPEND_FLAG([$LD_OPTION], [WS_LDFLAGS])
1222 can_add_to_ldflags=yes
1226 can_add_to_ldflags=no
1228 AC_WIRESHARK_POP_FLAGS
1232 dnl Check whether, if you pass an unknown warning option to the
1233 dnl compiler, it fails or just prints a warning message and succeeds.
1234 dnl Set ac_wireshark_unknown_warning_option_error to the appropriate flag
1235 dnl to force an error if it would otherwise just print a warning message
1238 AC_DEFUN([AC_WIRESHARK_CHECK_UNKNOWN_WARNING_OPTION_ERROR],
1240 AC_MSG_CHECKING([whether the compiler fails when given an unknown warning option])
1241 AC_WIRESHARK_PUSH_FLAGS
1242 CFLAGS="$CFLAGS -Wxyzzy-this-will-never-succeed-xyzzy"
1247 AC_MSG_RESULT([no, adding -Werror=unknown-warning-option])
1249 # We're assuming this is clang, where
1250 # -Werror=unknown-warning-option is the appropriate
1251 # option to force the compiler to fail.
1253 ac_wireshark_unknown_warning_option_error="-Werror=unknown-warning-option"
1256 AC_MSG_RESULT([yes])
1258 AC_WIRESHARK_POP_FLAGS
1262 dnl Check whether, if you pass a valid-for-C-but-not-C++ option to the
1263 dnl compiler, it fails or just prints a warning message and succeeds.
1264 dnl Set ac_wireshark_non_cxx_warning_option_error to the appropriate flag
1265 dnl to force an error if it would otherwise just print a warning message
1268 AC_DEFUN([AC_WIRESHARK_CHECK_NON_CXX_WARNING_OPTION_ERROR],
1270 AC_MSG_CHECKING([whether the compiler fails when given an warning option not supported for C++])
1272 # Some C+ compilers warn about -Wmissing-prototypes, and some warn
1273 # about -Wmissing-declarations. Check both.
1276 AC_WIRESHARK_PUSH_FLAGS
1277 save_CXXFLAGS="$CXXFLAGS"
1278 for flag in -Wmissing-prototypes -Wmissing-declarations; do
1279 CXXFLAGS="$save_CXXFLAGS $flag"
1285 # We're assuming this is g++, where -Werror is the
1286 # appropriate option to force the compiler to fail.
1287 # Check whether it fails with -Werror.
1289 # NOTE: it's important to put -Werror *before*
1290 # the flag, otherwise, when it sees the flag,
1291 # it doesn't yet know that warnings should be
1292 # treated as errors, and doesn't treat the
1293 # "that's C-only" warning as an error.
1295 CXXFLAGS="$save_CXXFLAGS -Werror $flag"
1301 # No, so this option is actually OK
1302 # with our C++ compiler.
1304 # (We need an empty command here to
1305 # prevent some versions of autoconf
1306 # from generating a script with an
1307 # empty "then" clause for an if statement.)
1313 # Yes, so we need -Werror for the tests.
1315 ac_wireshark_non_cxx_warning_option_error="-Werror"
1320 AC_WIRESHARK_POP_FLAGS
1322 if test x$ac_wireshark_non_cxx_warning_option_error = x; then
1323 AC_MSG_RESULT([yes])
1325 AC_MSG_RESULT([no, adding -Werror])
1330 # AC_WIRESHARK_COMPILER_FLAGS_CHECK
1332 # $1 : flags to test
1333 # $2 : if supplied, C for C-only flags, CXX for C++-only flags
1334 # $3 : if supplied, a program to try to compile with the flag
1335 # and, if the compile fails when -Werror is turned on,
1336 # we don't add the flag - used for warning flags that
1337 # issue incorrect or non-useful warnings with some
1339 # $4 : must be supplied if $3 is supplied - a message describing
1340 # for what the test program is testing
1342 # The macro first determines if the compiler supports GCC-style flags.
1343 # Then it attempts to compile with the defined cflags. The defined
1344 # flags are added to WS_CHECKED_CFLAGS only if the compilation succeeds.
1345 # CFLAGS remains unchanged. can_add_to_cflags is set to "no" when the
1346 # flag is checked but unavailable. (Like-wise for CXXFLAGS.)
1348 # We do this because not all such options are necessarily supported by
1349 # the version of the particular compiler we're using.
1351 AC_DEFUN([AC_WIRESHARK_COMPILER_FLAGS_CHECK],
1353 can_add_to_cflags=""
1354 can_add_to_cxxflags=""
1355 if test "x$ac_supports_gcc_flags" = "xyes" ; then
1356 if test "$2" != CXX ; then
1358 # Not C++-only; if this can be added to the C compiler flags, add them.
1360 # If the option begins with "-W", add
1361 # $ac_wireshark_unknown_warning_option_error to make sure that
1362 # we'll get an error if it's an unknown warning option; not all
1363 # compilers treat unknown warning options as errors (I'm looking at
1366 # If the option begins with "-f" or "-m", add -Werror to make sure
1367 # that we'll get an error if we get "argument unused during compilation"
1368 # warnings, as those will either cause a failure for files compiled
1369 # with -Werror or annoying noise for files compiled without it.
1370 # (Yeah, you, clang.)
1372 AC_MSG_CHECKING(whether we can add $GCC_OPTION to CFLAGS)
1373 AC_WIRESHARK_PUSH_FLAGS
1374 if expr "x$GCC_OPTION" : "x-W.*" >/dev/null
1376 CFLAGS="$CFLAGS $ac_wireshark_unknown_warning_option_error $GCC_OPTION"
1377 elif expr "x$GCC_OPTION" : "x-f.*" >/dev/null
1379 CFLAGS="$CFLAGS -Werror $GCC_OPTION"
1380 elif expr "x$GCC_OPTION" : "x-m.*" >/dev/null
1382 CFLAGS="$CFLAGS -Werror $GCC_OPTION"
1384 CFLAGS="$CFLAGS $GCC_OPTION"
1388 AC_LANG_SOURCE([[int foo;]])
1392 can_add_to_cflags=yes
1394 # OK, do we have a test program? If so, check
1395 # whether it fails with this option and -Werror,
1396 # and, if so, don't include it.
1398 # We test arg 4 here because arg 3 is a program which
1399 # could contain quotes (breaking the comparison).
1401 if test "x$4" != "x" ; then
1402 CFLAGS="$CFLAGS -Werror"
1403 AC_MSG_CHECKING(whether $GCC_OPTION $4)
1405 [AC_LANG_SOURCE($3)],
1409 # Remove "force an error for a warning" options, if we
1410 # added them, by setting CFLAGS to the saved value plus
1411 # just the new option.
1413 AX_APPEND_FLAG([$GCC_OPTION], [WS_CFLAGS])
1414 if test "$CC" = "$CC_FOR_BUILD"; then
1416 # We're building the build tools with the same compiler
1417 # with which we're building Wireshark, so add the flags
1418 # to the flags for that compiler as well.
1420 AX_APPEND_FLAG([$GCC_OPTION], [WS_CFLAGS_FOR_BUILD])
1428 # Remove "force an error for a warning" options, if we
1429 # added them, by setting CFLAGS to the saved value plus
1430 # just the new option.
1432 AX_APPEND_FLAG([$GCC_OPTION], [WS_CFLAGS])
1433 if test "$CC" = "$CC_FOR_BUILD"; then
1435 # We're building the build tools with the same compiler
1436 # with which we're building Wireshark, so add the flags
1437 # to the flags for that compiler as well.
1439 AX_APPEND_FLAG([$GCC_OPTION], [WS_CFLAGS_FOR_BUILD])
1445 can_add_to_cflags=no
1447 AC_WIRESHARK_POP_FLAGS
1450 # Did we find a C++ compiler?
1452 if test "x$CXX" != "x" ; then
1454 # Yes. Is this option only for the C compiler?
1456 if test "$2" != C ; then
1458 # Not C-only; if this option can be added to the C++ compiler
1461 # If the option begins with "-W", add
1462 # $ac_wireshark_unknown_warning_option_error, as per the above, and
1463 # also add $ac_wireshark_non_cxx_warning_option_error, because at
1464 # lease some versions of g++ whine about -Wmissing-prototypes, the
1465 # fact that at least one of those versions refuses to warn about
1466 # function declarations without an earlier declaration nonwithstanding;
1467 # perhaps there's a reason not to warn about that with C++ even though
1468 # warning about it can be a Good Idea with C, but it's not obvious to
1471 # If the option begins with "-f" or "-m", add -Werror to make sure
1472 # that we'll get an error if we get "argument unused during compilation"
1473 # warnings, as those will either cause a failure for files compiled
1474 # with -Werror or annoying noise for files compiled without it.
1475 # (Yeah, you, clang++.)
1477 AC_MSG_CHECKING(whether we can add $GCC_OPTION to CXXFLAGS)
1478 AC_WIRESHARK_PUSH_FLAGS
1479 if expr "x$GCC_OPTION" : "x-W.*" >/dev/null
1481 CXXFLAGS="$CXXFLAGS $ac_wireshark_unknown_warning_option_error $ac_wireshark_non_cxx_warning_option_error $GCC_OPTION"
1482 elif expr "x$GCC_OPTION" : "x-f.*" >/dev/null
1484 CXXFLAGS="$CXXFLAGS -Werror $GCC_OPTION"
1485 elif expr "x$GCC_OPTION" : "x-m.*" >/dev/null
1487 CXXFLAGS="$CXXFLAGS -Werror $GCC_OPTION"
1489 CXXFLAGS="$CXXFLAGS $GCC_OPTION"
1494 AC_LANG_SOURCE([[int foo;]])
1498 can_add_to_cxxflags=yes
1500 # OK, do we have a test program? If so, check
1501 # whether it fails with this option and -Werror,
1502 # and, if so, don't include it.
1504 # We test arg 4 here because arg 3 is a program which
1505 # could contain quotes (breaking the comparison).
1507 if test "x$4" != "x" ; then
1508 CXXFLAGS="$CXXFLAGS -Werror"
1509 AC_MSG_CHECKING(whether $GCC_OPTION $4)
1511 [AC_LANG_SOURCE($3)],
1515 # Remove "force an error for a warning" options, if we
1516 # added them, by setting CXXFLAGS to the saved value plus
1517 # just the new option.
1519 AX_APPEND_FLAG([$GCC_OPTION], [WS_CXXFLAGS])
1526 # Remove "force an error for a warning" options, if we
1527 # added them, by setting CXXFLAGS to the saved value plus
1528 # just the new option.
1530 AX_APPEND_FLAG([$GCC_OPTION], [WS_CXXFLAGS])
1535 can_add_to_cxxflags=no
1537 AC_WIRESHARK_POP_FLAGS
1540 if test "(" "$can_add_to_cflags" = "yes" -a "$can_add_to_cxxflags" = "no" ")" \
1541 -o "(" "$can_add_to_cflags" = "no" -a "$can_add_to_cxxflags" = "yes" ")"
1544 # Confusingly, some C++ compilers like -Wmissing-prototypes but
1545 # don't like -Wmissing-declarations and others like
1546 # -Wmissing-declarations but don't like -Wmissing-prototypes,
1547 # the fact that the corresponding C compiler likes both. Don't
1550 if test "(" x$GCC_OPTION != x-Wmissing-prototypes ")" \
1551 -a "(" x$GCC_OPTION != x-Wmissing-declarations ")"
1553 AC_MSG_WARN([$CC and $CXX appear to be a mismatched pair])
1560 # AC_WIRESHARK_GCC_FORTIFY_SOURCE_CHECK
1562 # Checks if '-D_FORTIFY_SOURCE=...' is OK to use in CPPFLAGS.
1563 # Use '-D_FORTIFY_SOURCE=...' in CPPFLAGS only if the GCC 'optimization level' is > 0.
1564 # The use of '-D_FORTIFY_SOURCE=...' will cause a warning with at least some versions
1565 # of glibc if the GCC "optimization level" is 0 (default or -O or -O0)
1566 # when using GCC to compile a source file which references the macro definition.
1568 # See: http://gcc.gnu.org/ml/gcc-patches/2004-09/msg02055.html
1569 # See: http://sourceware.org/bugzilla/show_bug.cgi?id=13979
1571 # We'll use '-D_FORTIFY_SOURCE=2' only if there's no warning; Among other things this means
1572 # that the use of '-D_FORTIFY_SOURCE=2' with '-Werror' and '-O0' won't cause
1573 # the compiler to stop on error.
1574 # Assumption: CFLAGS already contains whatever optimization option including none) is
1578 AC_DEFUN([AC_WIRESHARK_GCC_FORTIFY_SOURCE_CHECK],
1580 if test "x$GCC" = "xyes" -o "x$CC" = "xclang" ; then
1581 AC_MSG_CHECKING([whether -D_FORTIFY_SOURCE=2 can be used (without generating a warning)])
1582 AC_WIRESHARK_PUSH_FLAGS
1583 CFLAGS="$CFLAGS -Werror"
1584 CPPFLAGS="$CPPFLAGS -D_FORTIFY_SOURCE=2"
1592 AX_APPEND_FLAG([-D_FORTIFY_SOURCE=2], [WS_CPPFLAGS])
1597 AC_WIRESHARK_POP_FLAGS
1602 # AC_WIRESHARK_GCC_SYSTEM_INCLUDE
1604 # Replace -I include flag for -isystem in FLAGS argument
1606 AC_DEFUN([AC_WIRESHARK_GCC_SYSTEM_INCLUDE],
1608 if test "x$GCC" = "xyes" -o "x$CC" = "xclang" ; then
1610 | sed -e 's/ *-I *\// -isystem\//g' -e 's/^ *//'`
1615 # PKG_WIRESHARK_CHECK_SYSTEM_MODULES
1617 AC_DEFUN([PKG_WIRESHARK_CHECK_SYSTEM_MODULES],
1619 PKG_CHECK_MODULES($@)
1620 AC_WIRESHARK_GCC_SYSTEM_INCLUDE($1_CFLAGS)
1623 # Based on AM_PATH_GTK in gtk-2.0.m4.
1625 dnl AC_WIRESHARK_QT_MODULE_CHECK_WITH_QT_VERSION([MODULE, MINIMUM-VERSION,
1626 dnl REQUESTED-MAJOR_VERSION, [ACTION-IF-FOUND, [ACTION-IF-NOT-FOUND]]])
1627 dnl Test for a particular Qt module, for a particular Qt major version,
1628 dnl and, if we find it add the flags and libraries for it to Qt_CFLAGS
1631 AC_DEFUN([AC_WIRESHARK_QT_MODULE_CHECK_WITH_QT_VERSION],
1641 # Version of the module we're checking for.
1644 min_qt_version=ifelse([$2], ,4.0.0,$2)
1653 # Version of the module we're checking for.
1656 min_qt_version=5.0.0
1660 AC_MSG_ERROR([Qt version $3 is not a known Qt version])
1664 pkg_config_module="${modprefix}$1"
1665 AC_MSG_CHECKING(for $pkg_config_module - version >= $min_qt_version)
1666 if $PKG_CONFIG --atleast-version $min_qt_version $pkg_config_module; then
1667 mod_version=`$PKG_CONFIG --modversion $pkg_config_module`
1668 AC_MSG_RESULT(yes (version $mod_version))
1669 mod_cflags=`$PKG_CONFIG --cflags $pkg_config_module`
1670 AC_WIRESHARK_GCC_SYSTEM_INCLUDE(mod_cflags)
1671 Qt_CFLAGS="$Qt_CFLAGS $mod_cflags"
1672 Qt_LIBS="$Qt_LIBS `$PKG_CONFIG --libs $pkg_config_module`"
1673 # Run Action-If-Found
1674 ifelse([$4], , :, [$4])
1677 # Run Action-If-Not-Found
1678 ifelse([$5], , :, [$5])
1682 dnl AC_WIRESHARK_QT_MODULE_CHECK([MODULE, MINIMUM-VERSION,
1683 dnl REQUESTED-MAJOR_VERSION, [ACTION-IF-FOUND, [ACTION-IF-NOT-FOUND]]])
1684 dnl Test for a particular Qt module and add the flags and libraries
1685 dnl for it to Qt_CFLAGS and Qt_LIBS.
1687 AC_DEFUN([AC_WIRESHARK_QT_MODULE_CHECK],
1690 # Prior to Qt 5, modules were named QtXXX.
1691 # In Qt 5, they're named Qt5XXX.
1692 # This will need to change to handle future major Qt releases.
1698 # Check for all versions of Qt we support.
1699 # Try the Qt 5 version first.
1719 AC_MSG_ERROR([Qt version $3 is not a known Qt version])
1723 for version in $versions
1725 AC_WIRESHARK_QT_MODULE_CHECK_WITH_QT_VERSION($1, $2,
1726 $version, [foundit=yes], [foundit=no])
1727 if test "x$foundit" = "xyes"; then
1732 if test "x$foundit" = "xyes"; then
1733 # Remember which version of Qt we found
1735 # Run Action-If-Found
1736 ifelse([$4], , :, [$4])
1738 # Run Action-If-Not-Found
1739 ifelse([$5], , :, [$5])
1743 AC_DEFUN([AC_WIRESHARK_QT_ADD_PIC_IF_NEEDED],
1746 AC_WIRESHARK_PUSH_FLAGS
1747 CPPFLAGS="$CPPFLAGS $Qt_CFLAGS"
1748 AC_MSG_CHECKING([whether Qt works without -fPIC])
1750 [AC_LANG_SOURCE([[#include <QtCore>]])],
1751 [AC_MSG_RESULT(yes)],
1754 AC_MSG_CHECKING([whether Qt works with -fPIC])
1755 CPPFLAGS="$CPPFLAGS -fPIC"
1757 [AC_LANG_SOURCE([[#include <QtCore>]])],
1760 Qt_CFLAGS="$Qt_CFLAGS -fPIC"
1764 AC_MSG_ERROR(Couldn't compile Qt without -fPIC nor with -fPIC)
1767 AC_WIRESHARK_POP_FLAGS
1771 dnl AC_WIRESHARK_QT_CHECK([MINIMUM-VERSION, REQUESTED-MAJOR_VERSION,
1772 dnl [ACTION-IF-FOUND, [ACTION-IF-NOT-FOUND]]])
1773 dnl Test for Qt and define Qt_CFLAGS and Qt_LIBS.
1775 AC_DEFUN([AC_WIRESHARK_QT_CHECK],
1777 qt_version_to_check="$2"
1780 # Check for the Core module; if we don't have that,
1781 # we don't have Qt. If we *do* have it, we know what
1782 # version it is, so only check for that version of
1785 AC_WIRESHARK_QT_MODULE_CHECK(Core, $1, $qt_version_to_check,
1787 qt_version_to_check=$qt_version
1788 QT_VERSION=$mod_version
1789 QT_VERSION_MAJOR=`echo "$QT_VERSION" | cut -f1 -d.`
1790 QT_VERSION_MINOR=`echo "$QT_VERSION" | cut -f2 -d.`
1791 QT_VERSION_MICRO=`echo "$QT_VERSION" | cut -f3 -d.`
1793 # Qt 5.7 and later requires C++11
1794 AS_IF([test $QT_VERSION_MAJOR -eq 5 -a $QT_VERSION_MINOR -ge 7],
1795 [AS_IF([test "$HAVE_CXX11" -eq 0], [AC_MSG_ERROR([Qt 5.7 and later requires C++11])])])
1800 if test x"$no_qt" = x ; then
1802 # We need the Gui module as well.
1804 AC_WIRESHARK_QT_MODULE_CHECK(Gui, $1, $qt_version_to_check, ,
1808 if test x"$no_qt" = x ; then
1810 # Qt 5.0 appears to move the widgets out of Qt GUI
1811 # to Qt Widgets; look for the Widgets module, but
1812 # don't fail if we don't have it.
1814 AC_WIRESHARK_QT_MODULE_CHECK(Widgets, $1, $qt_version_to_check)
1817 # Qt 5.0 also appears to move the printing support into
1818 # the Qt PrintSupport module.
1820 AC_WIRESHARK_QT_MODULE_CHECK(PrintSupport, $1, $qt_version_to_check)
1823 # Qt 5.0 added multimedia in the Qt
1824 # Multimedia module.
1826 have_qt_multimedia_lib=no
1827 AC_WIRESHARK_QT_MODULE_CHECK(Multimedia, $1, $qt_version_to_check,
1828 have_qt_multimedia_lib=yes
1829 AC_DEFINE(QT_MULTIMEDIA_LIB, 1, [Define if we have QtMultimedia]))
1832 # While we're at it, look for QtMacExtras. (Presumably
1833 # if we're not building for macOS, it won't be present.)
1835 # XXX - is there anything in QtX11Extras or QtWinExtras
1836 # that we should be using?
1838 AC_WIRESHARK_QT_MODULE_CHECK(MacExtras, $1, $qt_version_to_check,
1839 AC_DEFINE(QT_MACEXTRAS_LIB, 1, [Define if we have QtMacExtras]))
1841 AC_WIRESHARK_QT_ADD_PIC_IF_NEEDED
1843 # Run Action-If-Found
1844 ifelse([$3], , :, [$3])
1846 # Run Action-If-Not-Found
1847 ifelse([$4], , :, [$4])
1852 dnl AC_WIRESHARK_QT_TOOL_CHECK([TOOLPATHVAR, TOOL, REQUESTED-MAJOR_VERSION])
1853 dnl Test for a particular Qt tool for some specific version of Qt
1855 AC_DEFUN([AC_WIRESHARK_QT_TOOL_CHECK],
1858 # At least in some versions of Debian/Ubuntu, and perhaps
1859 # other OSes, the Qt build tools are just links to a
1860 # program called "qtchooser", and even if you want to
1861 # build with Qt 5, running the tool might give you the
1862 # Qt 4 version of the tool unless you run the tool with
1865 # So we look for qtchooser and, if we find it, use the
1866 # -qt={version} argument, otherwise we look for particular
1867 # tool versions using tool name suffixes.
1869 AC_PATH_PROG(QTCHOOSER, qtchooser)
1870 if test ! -z "$QTCHOOSER"; then
1872 # We found qtchooser; we assume that means that
1873 # the tool is linked to qtchooser, so that we
1874 # can run it with the -qt={version} flag to get
1875 # the appropriate version of the tool.
1877 AC_PATH_PROG($1, $2)
1878 if test "x$$1" = x; then
1880 # We can't build Qt Wireshark without that
1883 AC_MSG_ERROR(I couldn't find $2; make sure it's installed and in your path)
1887 # Add the -qt={version} argument to it.
1889 $1="$$1 -qt=$qt_version"
1892 # Annoyingly, on some Linux distros (e.g. Debian)
1893 # the Qt 5 tools have no suffix and the Qt 4 tools
1894 # have suffix -qt4. On other distros (e.g. openSUSE)
1895 # the Qt 5 tools have suffix -qt5 and the Qt 4 tools
1898 # So we check for the tool first with the -qtN suffix
1899 # and then with no suffix.
1901 AC_PATH_PROGS($1, [$2-qt$qt_version $2])
1902 if test "x$$1" = x; then
1904 # We can't build Qt Wireshark without that
1907 AC_MSG_ERROR(I couldn't find $2-qt$qt_version or $2; make sure it's installed and in your path)
1912 AC_DEFUN([AC_WIRESHARK_QT_TOOL_CHECK_LRELEASE],
1914 AC_WIRESHARK_QT_TOOL_CHECK(LRELEASE, lrelease, $2)
1915 AC_MSG_CHECKING(whether lrelease -version works)
1916 lrelease_version=`$LRELEASE -version 2>&AS_MESSAGE_LOG_FD`
1917 AS_IF([test $? -ne 0],
1920 AC_MSG_ERROR([$LRELEASE -version returned non-zero exit status])
1922 AC_MSG_RESULT([ok, $lrelease_version])
1926 # AC_WIRESHARK_LZ4_CHECK
1928 AC_DEFUN([AC_WIRESHARK_LZ4_CHECK],
1930 AC_WIRESHARK_PUSH_FLAGS
1932 if test "x$lz4_dir" != "x"
1935 # The user specified a directory in which lz4 resides,
1936 # so add the "include" subdirectory of that directory to
1937 # the include file search path and the "lib" subdirectory
1938 # of that directory to the library search path.
1940 # XXX - if there's also a lz4 in a directory that's
1941 # already in CPPFLAGS or LDFLAGS, this won't make us find
1942 # the version in the specified directory, as the compiler
1943 # and/or linker will search that other directory before it
1944 # searches the specified directory.
1946 LZ4_CFLAGS="-I$lz4_dir/include"
1950 # Make sure we have "lz4.h". If we don't, it means we probably
1951 # don't have lz4, so don't use it.
1953 AC_CHECK_HEADER(lz4.h,,
1955 if test "x$lz4_dir" != "x"
1958 # The user used "--with-lz4=" to specify a directory
1959 # containing lz4, but we didn't find the header file
1960 # there; that either means they didn't specify the
1961 # right directory or are confused about whether lz4
1962 # is, in fact, installed. Report the error and give up.
1964 AC_MSG_ERROR([lz4 header not found in directory specified in --with-lz4])
1966 if test "x$want_lz4" = "xyes"
1969 # The user tried to force us to use the library, but we
1970 # couldn't find the header file; report an error.
1972 AC_MSG_ERROR(Header file lz4.h not found.)
1975 # We couldn't find the header file; don't use the
1976 # library, as it's probably not present.
1983 if test "x$want_lz4" != "xno"
1986 # Well, we at least have the lz4 header file.
1987 # We link with lz4 to support uncompression of
1991 ac_save_LIBS="$LIBS"
1992 LIBS="$LZ4_LIBS $LIBS"
1993 AC_DEFINE(HAVE_LZ4, 1, [Define to use lz4 library])
1995 # Check for "LZ4_decompress_safe()" in lz4, which we need
1996 # in order to read compressed capture files.
1998 AC_CHECK_FUNCS(LZ4_decompress_safe)
1999 LIBS="$ac_save_LIBS"
2002 AC_WIRESHARK_POP_FLAGS
2006 # AC_WIRESHARK_SNAPPY_CHECK
2008 AC_DEFUN([AC_WIRESHARK_SNAPPY_CHECK],
2010 AC_WIRESHARK_PUSH_FLAGS
2012 if test "x$snappy_dir" != "x"
2015 # The user specified a directory in which snappy resides,
2016 # so add the "include" subdirectory of that directory to
2017 # the include file search path and the "lib" subdirectory
2018 # of that directory to the library search path.
2020 # XXX - if there's also a snappy in a directory that's
2021 # already in CPPFLAGS or LDFLAGS, this won't make us find
2022 # the version in the specified directory, as the compiler
2023 # and/or linker will search that other directory before it
2024 # searches the specified directory.
2026 SNAPPY_CFLAGS="-I$snappy_dir/include"
2030 # Make sure we have "snappy-c.h". If we don't, it means we probably
2031 # don't have snappy, so don't use it.
2033 AC_CHECK_HEADER(snappy-c.h,,
2035 if test "x$snappy_dir" != "x"
2038 # The user used "--with-snappy=" to specify a directory
2039 # containing snappy, but we didn't find the header file
2040 # there; that either means they didn't specify the
2041 # right directory or are confused about whether snappy
2042 # is, in fact, installed. Report the error and give up.
2044 AC_MSG_ERROR([snappy-c.header not found in directory specified in --with-snappy])
2046 if test "x$want_snappy" = "xyes"
2049 # The user tried to force us to use the library, but we
2050 # couldn't find the header file; report an error.
2052 AC_MSG_ERROR(Header file snappy-c.h not found.)
2055 # We couldn't find the header file; don't use the
2056 # library, as it's probably not present.
2063 if test "x$want_snappy" != "xno"
2066 # Well, we at least have the snappy-c.header file.
2067 # We link with snappy to support uncompression of
2068 # compressed CQL traffic.
2070 SNAPPY_LIBS=-lsnappy
2071 ac_save_LIBS="$LIBS"
2072 LIBS="$SNAPPY_LIBS $LIBS"
2073 AC_DEFINE(HAVE_SNAPPY, 1, [Define to use snappy library])
2075 # Check for "snappy_uncompress()" in snappy, which we need
2076 # in order to read compressed capture files.
2078 AC_CHECK_FUNCS(snappy_uncompress)
2079 LIBS="$ac_save_LIBS"
2082 AC_WIRESHARK_POP_FLAGS