diff options
Diffstat (limited to 'acinclude.m4')
| -rw-r--r-- | acinclude.m4 | 2017 |
1 files changed, 0 insertions, 2017 deletions
diff --git a/acinclude.m4 b/acinclude.m4 deleted file mode 100644 index 1a452667b2..0000000000 --- a/acinclude.m4 +++ /dev/null @@ -1,2017 +0,0 @@ -dnl Macros that test for specific features. -dnl This file is part of the Autoconf packaging for Wireshark. -dnl Copyright (C) 1998-2000 by Gerald Combs. -dnl -dnl SPDX-License-Identifier: GPL-2.0-or-later -dnl -dnl As a special exception, the Free Software Foundation gives unlimited -dnl permission to copy, distribute and modify the configure scripts that -dnl are the output of Autoconf. You need not follow the terms of the GNU -dnl General Public License when using or distributing such scripts, even -dnl though portions of the text of Autoconf appear in them. The GNU -dnl General Public License (GPL) does govern all other use of the material -dnl that constitutes the Autoconf program. -dnl -dnl Certain portions of the Autoconf source text are designed to be copied -dnl (in certain cases, depending on the input) into the output of -dnl Autoconf. We call these the "data" portions. The rest of the Autoconf -dnl source text consists of comments plus executable code that decides which -dnl of the data portions to output in any given case. We call these -dnl comments and executable code the "non-data" portions. Autoconf never -dnl copies any of the non-data portions into its output. -dnl -dnl This special exception to the GPL applies to versions of Autoconf -dnl released by the Free Software Foundation. When you make and -dnl distribute a modified version of Autoconf, you may extend this special -dnl exception to the GPL to apply to your modified version as well, *unless* -dnl your modified version has the potential to copy into its output some -dnl of the text that was the non-data portion of the version that you started -dnl with. (In other words, unless your change moves or copies text from -dnl the non-data portions to the data portions.) If your modification has -dnl such potential, you must delete any notice of this special exception -dnl to the GPL from your modified version. -dnl -dnl Written by David MacKenzie, with help from -dnl Franc,ois Pinard, Karl Berry, Richard Pixley, Ian Lance Taylor, -dnl Roland McGrath, Noah Friedman, david d zuhn, and many others. - -# -# AC_WIRESHARK_ADD_DASH_L -# -# Add to the variable specified as the first argument a "-L" flag for the -# directory specified as the second argument, and, on Solaris, add a -# "-R" flag for it as well. -# -# XXX - IRIX, and other OSes, may require some flag equivalent to -# "-R" here. -# -AC_DEFUN([AC_WIRESHARK_ADD_DASH_L], -[AX_APPEND_FLAG(-L$2, $1) -case "$host_os" in - solaris*) - AX_APPEND_FLAG(-R$2, $1) - ;; -esac -]) - -# -# AC_WIRESHARK_PUSH_FLAGS -# -# Push our flags to CFLAGS/etc. -# -AC_DEFUN([AC_WIRESHARK_PUSH_FLAGS], -[ - ac_ws_CPPLAGS_saved="$CPPFLAGS" - ac_ws_CFLAGS_saved="$CFLAGS" - ac_ws_CXXFLAGS_saved="$CXXFLAGS" - ac_ws_LDFLAGS_saved="$LDFLAGS" - CPPFLAGS="$WS_CPPFLAGS $CPPFLAGS" - CFLAGS="$WS_CFLAGS $CFLAGS" - CXXFLAGS="$WS_CXXFLAGS $CXXFLAGS" - LDFLAGS="$WS_LDFLAGS $LDFLAGS" -]) - -# -# AC_WIRESHARK_POP_FLAGS -# -# Restore user build flags. -# -AC_DEFUN([AC_WIRESHARK_POP_FLAGS], -[ - CPPFLAGS="$ac_ws_CPPLAGS_saved" - CFLAGS="$ac_ws_CFLAGS_saved" - CXXFLAGS="$ac_ws_CXXFLAGS_saved" - LDFLAGS="$ac_ws_LDFLAGS_saved" -]) - - -# -# AC_WIRESHARK_BREAKLOOP_TRY_LINK -# -AC_DEFUN([AC_WIRESHARK_PCAP_BREAKLOOP_TRY_LINK], -[ - AC_LINK_IFELSE( - [ - AC_LANG_SOURCE( - [[ -# include <pcap.h> - int main(void) - { - pcap_t *pct = NULL; - pcap_breakloop(pct); - return 0; - } - ]]) - ], - [ - ws_breakloop_compiled=yes - ], - [ - ws_breakloop_compiled=no - ]) -]) - - - -# -# AC_WIRESHARK_PCAP_CHECK -# -AC_DEFUN([AC_WIRESHARK_PCAP_CHECK], -[ - AC_WIRESHARK_PUSH_FLAGS - ws_ac_save_LIBS="$LIBS" - - if test -z "$pcap_dir" - then - # Pcap header checks - # XXX need to set a var AC_CHECK_HEADER(pcap.h,,) - - # - # The user didn't specify a directory in which libpcap resides. - # First, look for a pcap-config script. - # - AC_PATH_TOOL(PCAP_CONFIG, pcap-config) - - if test -n "$PCAP_CONFIG" ; then - # - # Found it. - # - # Now check whether it's the libpcap 1.0 version, which - # put a space after "-L" - on some platforms, that doesn't - # work. - # - AC_MSG_CHECKING(for broken pcap-config) - case "`\"$PCAP_CONFIG\" --libs`" in - - "-L "*) - # - # Space after -L. Pretend pcap-config doesn't exist. - # - AC_MSG_RESULT(yes) - PCAP_CONFIG="" - ;; - - *) - # - # No space after -L. - # - AC_MSG_RESULT(no) - ;; - esac - fi - if test -n "$PCAP_CONFIG" ; then - # - # Found it, and it's usable; use it to get the include flags - # for libpcap. - # - PCAP_CFLAGS="`\"$PCAP_CONFIG\" --cflags`" - # - # We have pcap-config; we assume that means we have libpcap - # installed and that pcap-config will tell us whatever - # libraries libpcap needs. - # - if test x$enable_static = xyes; then - PCAP_LIBS="`\"$PCAP_CONFIG\" --libs --static`" - else - PCAP_LIBS="`\"$PCAP_CONFIG\" --libs`" - fi - else - # - # Didn't find it; we have to look for libpcap ourselves. - # We assume that the current library search path will work, - # but we may have to look for the header in a "pcap" - # subdirectory of "/usr/include" or "/usr/local/include", - # as some systems apparently put "pcap.h" in a "pcap" - # subdirectory without also providing a "pcap.h" in the top-level - # include directory, and we also check "$prefix/include" - and - # "$prefix/include/pcap", in case $prefix is set to - # "/usr/include" or "/usr/local/include". - # - PCAP_CFLAGS="" - PCAP_LIBS="-lpcap" - - AC_MSG_CHECKING(for extraneous pcap header directories) - found_pcap_dir="" - pcap_dir_list="/usr/local/include/pcap /usr/include/pcap $prefix/include/pcap $prefix/include" - for pcap_dir in $pcap_dir_list - do - if test -d $pcap_dir ; then - if test x$pcap_dir != x/usr/include -a x$pcap_dir != x/usr/local/include ; then - PCAP_CFLAGS="-I$pcap_dir" - fi - found_pcap_dir=" $found_pcap_dir -I$pcap_dir" - break - fi - done - - if test "$found_pcap_dir" != "" ; then - AC_MSG_RESULT(found --$found_pcap_dir added to CFLAGS) - else - AC_MSG_RESULT(not found) - fi - fi - else - # - # The user specified a directory in which libpcap resides, - # so add the "include" subdirectory of that directory to - # the include file search path and the "lib" subdirectory - # of that directory to the library search path. - # - # XXX - if there's also a libpcap in a directory that's - # already in CPPFLAGS or LDFLAGS, this won't make us find - # the version in the specified directory, as the compiler - # and/or linker will search that other directory before it - # searches the specified directory. - # - PCAP_CFLAGS="-I$pcap_dir/include" - # - # XXX - This doesn't use AC_WIRESHARK_ADD_DASH_L - # - PCAP_LIBS="-L$pcap_dir/lib -lpcap" - fi - - CFLAGS="$PCAP_CFLAGS $CFLAGS" - LIBS="$PCAP_LIBS $LIBS" - - # Pcap header check - AC_CHECK_HEADER(pcap.h, - [ - AC_DEFINE(HAVE_LIBPCAP, 1, [Define to use libpcap library]) - ], - [ - AC_MSG_ERROR([[Header file pcap.h not found; if you installed libpcap -from source, did you also do \"make install-incl\", and if you installed a -binary package of libpcap, is there also a developer's package of libpcap, -and did you also install that package?]]) - ]) - - # - # Check to see if we find "pcap_open_live" in "-lpcap". - # Also check for various additional libraries that libpcap might - # require. - # - AC_CHECK_LIB(pcap, pcap_open_live, - [ - ], - [ - ac_wireshark_extras_found=no - ac_save_LIBS="$LIBS" - for extras in "-lcfg -lodm" "-lpfring" - do - AC_MSG_CHECKING([for pcap_open_live in -lpcap with $extras]) - LIBS="-lpcap $extras $ac_save_LIBS" - # - # XXX - can't we use AC_CHECK_LIB here? - # - AC_TRY_LINK( - [ -# include <pcap.h> - ], - [ - pcap_open_live(NULL, 0, 0, 0, NULL); - ], - [ - ac_wireshark_extras_found=yes - AC_MSG_RESULT([yes]) - PCAP_LIBS="$PCAP_LIBS $extras" - ], - [ - AC_MSG_RESULT([no]) - ]) - if test x$ac_wireshark_extras_found = xyes - then - break - fi - done - if test x$ac_wireshark_extras_found = xno - then - AC_MSG_ERROR([Can't link with library libpcap.]) - fi - LIBS=$ac_save_LIBS - ]) - AC_SUBST(PCAP_CFLAGS) - AC_SUBST(PCAP_LIBS) - - # - # Check whether various variables and functions are defined by - # libpcap. - # - AC_CHECK_FUNCS(pcap_open_dead pcap_freecode) - AC_CHECK_FUNCS(pcap_open) - if test $ac_cv_func_pcap_open = "yes" ; then - AC_DEFINE(HAVE_PCAP_REMOTE, 1, - [Define to 1 if you have libpcap/WinPcap remote capturing support]) - - # - # XXX - this *should* be checked for independently of checking - # for pcap_open(), as you might have pcap_setsampling() without - # remote capture support. - # - # However, 1) the sampling options are treated as remote options - # in the GUI and and 2) having pcap_setsampling() doesn't mean - # you have sampling support. libpcap needs a way to indicate - # whether a given device supports sampling, and the GUI should - # be changed to decouple them. - # - # (Actually, libpcap needs a general mechanism to offer options - # for particular devices, and Wireshark needs to use that - # mechanism. The former is a work in progress.) - # - # (Note: another work in progress is support for remote - # capturing using pcap_create()/pcap_activate(), which we - # also need to support once it's available.) - # - AC_CHECK_FUNCS(pcap_setsampling) - fi - - # - # pcap_breakloop may be present in the library but not declared - # in the pcap.h header file. If it's not declared in the header - # file, attempts to use it will get warnings, and, if we're - # building with warnings treated as errors, that warning will - # cause compilation to fail. - # - # We are therefore first testing whether the function is present - # and then, if we're compiling with warnings as errors, testing - # whether it is usable. It is usable if it compiles without - # a -Wimplicit warning (the "compile with warnings as errors" - # option requires GCC). If it is not usable, we fail and tell - # the user that the pcap.h header needs to be updated. - # - # Ceteris paribus, this should only happen with Mac OS X 10.3[.x] which - # can have an up-to-date pcap library without the corresponding pcap - # header. - # - # However, it might also happen on some others OSes with some erroneous - # system manipulations where multiple versions of libpcap might co-exist - # e.g. hand made symbolic link from libpcap.so -> libpcap.so.0.8 but - # having the pcap header version 0.7. - # - AC_MSG_CHECKING([whether pcap_breakloop is present]) - ac_CFLAGS_saved="$CFLAGS" - AC_WIRESHARK_PCAP_BREAKLOOP_TRY_LINK - if test "x$ws_breakloop_compiled" = "xyes"; then - AC_MSG_RESULT(yes) - AC_DEFINE(HAVE_PCAP_BREAKLOOP, 1, [Define if pcap_breakloop is known]) - if test "x$with_warnings_as_errors" = "xyes"; then - AC_MSG_CHECKING([whether pcap_breakloop is usable]) - CFLAGS="$CFLAGS -Werror -Wimplicit" - AC_WIRESHARK_PCAP_BREAKLOOP_TRY_LINK - if test "x$ws_breakloop_compiled" = "xyes"; then - AC_MSG_RESULT(yes) - else - AC_MSG_RESULT(no) - AC_MSG_ERROR( -[Your pcap library is more recent than your pcap header. -As you are building with compiler warnings treated as errors, Wireshark -won't be able to use functions not declared in that header. -If you wish to build with compiler warnings treated as errors, You should -install a newer version of the header file.]) - fi - CFLAGS="$ac_CFLAGS_saved" - fi - else - AC_MSG_RESULT(no) - fi - - # - # Later versions of Mac OS X 10.3[.x] ship a pcap.h that - # doesn't define pcap_if_t but ship an 0.8[.x] libpcap, - # so the library has "pcap_findalldevs()", but pcap.h - # doesn't define "pcap_if_t" so you can't actually *use* - # "pcap_findalldevs()". - # - # That even appears to be true of systems shipped with - # 10.3.4, so it doesn't appear only to be a case of - # Software Update not updating header files. - # - # (You can work around this by installing the 0.8 header - # files.) - # - AC_CACHE_CHECK([whether pcap_findalldevs is present and usable], - [ac_cv_func_pcap_findalldevs], - [ - AC_LINK_IFELSE( - [ - AC_LANG_SOURCE( - [[ - #include <pcap.h> - int main() - { - pcap_if_t *devpointer; - char errbuf[1]; - - pcap_findalldevs(&devpointer, errbuf); - } - ]]) - ], - [ - ac_cv_func_pcap_findalldevs=yes - ], - [ - ac_cv_func_pcap_findalldevs=no - ]) - ]) - # - # Don't check for other new routines that showed up after - # "pcap_findalldevs()" if we don't have a usable - # "pcap_findalldevs()", so we don't end up using them if the - # "pcap.h" is crufty and old and doesn't declare them. - # - if test $ac_cv_func_pcap_findalldevs = "yes" ; then - AC_DEFINE(HAVE_PCAP_FINDALLDEVS, 1, - [Define to 1 if you have the `pcap_findalldevs' function and a pcap.h that declares pcap_if_t.]) - AC_CHECK_FUNCS(pcap_datalink_val_to_name pcap_datalink_name_to_val) - AC_CHECK_FUNCS(pcap_datalink_val_to_description) - AC_CHECK_FUNCS(pcap_list_datalinks pcap_set_datalink pcap_lib_version) - AC_CHECK_FUNCS(pcap_get_selectable_fd pcap_free_datalinks) - AC_CHECK_FUNC(pcap_create, - [ - AC_DEFINE(HAVE_PCAP_CREATE, 1, - [Define to 1 if you have the `pcap_create' function.]) - AC_DEFINE(CAN_SET_CAPTURE_BUFFER_SIZE, 1, - [Define to 1 if the capture buffer size can be set.]) - ]) - AC_CHECK_FUNCS(bpf_image pcap_set_tstamp_precision pcap_set_tstamp_type) - fi - - AC_WIRESHARK_POP_FLAGS - LIBS="$ws_ac_save_LIBS" -]) - -# -# AC_WIRESHARK_ZLIB_CHECK -# -AC_DEFUN([AC_WIRESHARK_ZLIB_CHECK], -[ - AC_WIRESHARK_PUSH_FLAGS - - if test "x$zlib_dir" != "x" - then - # - # The user specified a directory in which zlib resides, - # so add the "include" subdirectory of that directory to - # the include file search path and the "lib" subdirectory - # of that directory to the library search path. - # - # XXX - if there's also a zlib in a directory that's - # already in CPPFLAGS or LDFLAGS, this won't make us find - # the version in the specified directory, as the compiler - # and/or linker will search that other directory before it - # searches the specified directory. - # - CPPFLAGS="$CPPFLAGS -I$zlib_dir/include" - AC_WIRESHARK_ADD_DASH_L(LDFLAGS, $zlib_dir/lib) - fi - - # - # Make sure we have "zlib.h". If we don't, it means we probably - # don't have zlib, so don't use it. - # - AC_CHECK_HEADER(zlib.h,, - [ - if test "x$zlib_dir" != "x" - then - # - # The user used "--with-zlib=" to specify a directory - # containing zlib, but we didn't find the header file - # there; that either means they didn't specify the - # right directory or are confused about whether zlib - # is, in fact, installed. Report the error and give up. - # - AC_MSG_ERROR([zlib header not found in directory specified in --with-zlib]) - else - if test "x$want_zlib" = "xyes" - then - # - # The user tried to force us to use the library, but we - # couldn't find the header file; report an error. - # - AC_MSG_ERROR(Header file zlib.h not found.) - else - # - # We couldn't find the header file; don't use the - # library, as it's probably not present. - # - want_zlib=no - fi - fi - ]) - - if test "x$want_zlib" != "xno" - then - # - # Well, we at least have the zlib header file. - # - # We link with zlib to support uncompression of - # gzipped network traffic, e.g. in an HTTP request - # or response body. - # - # Check for inflate() in zlib, to make sure the - # zlib library is usable. For example, on at - # least some versions of Fedora, if you have a - # 64-bit machine, have both the 32-bit and 64-bit - # versions of the run-time zlib package installed, - # and have only the *32-bit* version of the zlib - # development package installed, it'll find the - # header, and think it can use zlib, and will use - # it in subsequent tests, but it'll try and link - # 64-bit test programs with the 32-bit library, - # causing those tests to falsely fail. Hilarity - # ensues. - # - if test "x$zlib_dir" != "x" - then - WS_CPPFLAGS="$WS_CPPFLAGS -I$zlib_dir/include" - AC_WIRESHARK_ADD_DASH_L(WS_LDFLAGS, $zlib_dir/lib) - fi - AC_DEFINE(HAVE_ZLIB, 1, [Define to use zlib library]) - # - # Check for "inflate()" in zlib to make sure we can - # link with it. - # - AC_CHECK_LIB(z, inflate,, - AC_MSG_ERROR([zlib.h found but linking with -lz failed to find inflate(); do you have the right developer package installed (32-bit vs. 64-bit)?])) - - # - # Check for "inflatePrime()" in zlib, which we need - # in order to read compressed capture files. - # - AC_CHECK_FUNCS(inflatePrime) - - if test "x$ac_cv_func_inflatePrime" = "xyes" ; then - # - # Now check for "inflatePrime()" in zlib when - # linking with the linker flags for GTK+ - # applications; people often grab XFree86 source - # and build and install it on their systems, - # and they appear sometimes to misconfigure - # XFree86 so that, even on systems with zlib, - # it assumes there is no zlib, so the XFree86 - # build process builds and installs its - # own zlib in the X11 library directory. - # - # The zlib in at least some versions of XFree86 - # is an older version that may lack "inflatePrime()", - # and that's the zlib with which Wireshark gets - # linked, so the build of Wireshark fails. - # - AC_MSG_CHECKING([for inflatePrime missing when linking with X11]) - AC_TRY_LINK_FUNC(inflatePrime, AC_MSG_RESULT(no), - [ - AC_MSG_RESULT(yes) - AC_MSG_ERROR(old zlib found when linking with X11 - get rid of old zlib.) - ]) - fi - fi - - AC_WIRESHARK_POP_FLAGS -]) - -# -# AC_WIRESHARK_LIBLUA_CHECK -# -# Sets $have_lua to yes or no. -# If it's yes, it also sets $LUA_CFLAGS and $LUA_LIBS. -AC_DEFUN([AC_WIRESHARK_LIBLUA_CHECK],[ - - AC_WIRESHARK_PUSH_FLAGS - - if test "x$want_lua_dir" = "x" - then - # The user didn't tell us where to find Lua. Let's go look for it. - - # First, try the standard (pkg-config) way. - # Unfortunately Lua's pkg-config file isn't standardly named. - # Some distributions allow installation of multiple versions of - # Lua at the same time. On such systems each version has its - # own package name. - # - # We use a for loop instead of giving all the package names to - # PKG_CHECK_MODULES because doing the latter doesn't appear to - # work reliably (some package names are not searched for). - for pkg in "lua < 5.3" lua5.2 lua-5.2 lua52 lua5.1 lua-5.1 lua51 lua5.0 lua-5.0 lua50 - do - AC_MSG_CHECKING(if you have $pkg) - PKG_CHECK_EXISTS($pkg, - [ - AC_MSG_RESULT(yes) - have_lua=yes - ], - [ - AC_MSG_RESULT(no) - ]) - - if test "x$have_lua" = "xyes" - then - PKG_WIRESHARK_CHECK_SYSTEM_MODULES(LUA, $pkg) - CPPFLAGS="$LUA_CFLAGS $CPPFLAGS" - AC_CHECK_HEADERS(lua.h lualib.h lauxlib.h) - break - fi - done - fi - - if test "x$have_lua" != "xyes" - then - # We don't have pkg-config or the user specified the path to - # Lua (in $want_lua_dir). - # Let's look for the header file. - - AC_MSG_CHECKING(for the location of lua.h) - if test "x$want_lua_dir" = "x" - then - # The user didn't tell us where to look so we'll look in some - # standard locations. - want_lua_dir="/usr/local /usr $prefix" - fi - for dir in $want_lua_dir - do - if test -r "$dir/include/lua.h" - then - header_dir="$dir/include" - lua_dir=$dir - break - fi - - for ver in 5.2 52 5.1 51 5.0 50 - do - if test -r "$dir/include/lua$ver/lua.h" - then - header_dir="$dir/include/lua$ver" - lua_dir=$dir - break - fi - done - done - - if test "x$header_dir" = "x" - then - have_lua=no - AC_MSG_RESULT(not found) - else - AC_MSG_RESULT($header_dir) - - AC_MSG_CHECKING(the Lua version) - lua_ver=`$AWK AS_ESCAPE('/LUA_VERSION_NUM/ { print $NF; }' $header_dir/lua.h | sed 's/0/./')` - - if test "x$lua_ver" = "x5.3" - then - # Wireshark doesn't compile with Lua 5.3 today - AC_MSG_RESULT($lua_ver - disabling Lua support) - have_lua=no - else - AC_MSG_RESULT($lua_ver) - - CPPFLAGS="$CPPFLAGS -I$header_dir" - AC_CHECK_HEADERS(lua.h lualib.h lauxlib.h, , - [ - have_lua=no - ]) - fi - - if test "x$have_lua" = "x" - then - # Set LUA_CFLAGS - LUA_CFLAGS="-I$header_dir" - - # We have the header files and they work. Now let's check if we - # have the library and it works. - # - # XXX - if there's also a liblua in a directory that's - # already in CPPFLAGS or LDFLAGS, this won't make us find - # the version in the specified directory, as the compiler - # and/or linker will search that other directory before it - # searches the specified directory. - # - # XXX - lib64? - LDFLAGS="-L$lua_dir/lib $LDFLAGS" - AC_SEARCH_LIBS(luaL_openlibs, [lua-${lua_ver} lua${lua_ver} lua], - [ - LUA_LIBS="-L$lua_dir/lib $ac_cv_search_luaL_openlibs -lm" - have_lua=yes - ],[ - # Try again with -ldl - - # Tell autoconf we don't want to use the cached result - unset ac_cv_search_luaL_openlibs - - AC_SEARCH_LIBS(luaL_openlibs, [lua-${lua_ver} lua${lua_ver} lua], - [ - LUA_LIBS="-L$lua_dir/lib $ac_cv_search_luaL_openlibs -lm -ldl" - have_lua=yes - ],[ - have_lua=no - ], -lm -ldl) - ], -lm) - fi - fi - fi - - AC_WIRESHARK_POP_FLAGS -]) - -# -# AC_WIRESHARK_C_ARES_CHECK -# -AC_DEFUN([AC_WIRESHARK_C_ARES_CHECK], -[ - want_c_ares=defaultyes - - if test "x$want_c_ares" = "xdefaultyes"; then - want_c_ares=yes - fi - - if test "x$want_c_ares" = "xyes"; then - AC_CHECK_LIB(cares, ares_init, - [ - # - # Make sure we have c-ares 1.5 or later; we don't - # support the older API. - # - AC_MSG_CHECKING([whether we have c-ares 1.5 or later]) - AC_TRY_COMPILE( - [ -#include <ares.h> -#include <ares_version.h> - ], - [ -#if ((ARES_VERSION_MAJOR < 1) || \ - (1 == ARES_VERSION_MAJOR == 1 && ARES_VERSION_MINOR < 5)) -#error You lose -#else - return 0; -#endif - ], - [ - AC_MSG_RESULT([yes]) - C_ARES_LIBS=-lcares - AC_DEFINE(HAVE_C_ARES, 1, [Define to use c-ares library]) - have_good_c_ares=yes - ], - [ - AC_MSG_RESULT([no]) - AC_MSG_ERROR([Pre-1.5 versions of c-ares aren't supported]) - ]) - ]) - else - AC_MSG_RESULT(not required) - fi -]) - - -# -# AC_WIRESHARK_LIBCAP_CHECK -# -AC_DEFUN([AC_WIRESHARK_LIBCAP_CHECK], -[ - want_libcap=defaultyes - - if test "x$want_libcap" = "xdefaultyes"; then - want_libcap=yes - fi - - if test "x$want_libcap" = "xyes"; then - AC_CHECK_LIB(cap, cap_set_flag, - [ - LIBCAP_LIBS=-lcap - AC_DEFINE(HAVE_LIBCAP, 1, [Define to use the libcap library]) - have_good_libcap=yes - ],, - ) - else - AC_MSG_RESULT(not required) - fi -]) - - -# -# AC_WIRESHARK_KRB5_CHECK -# -AC_DEFUN([AC_WIRESHARK_KRB5_CHECK], -[ - AC_WIRESHARK_PUSH_FLAGS - wireshark_save_LIBS="$LIBS" - - if test "x$krb5_dir" != "x" - then - # - # The user specified a directory in which kerberos resides, - # so add the "include" subdirectory of that directory to - # the include file search path and the "lib" subdirectory - # of that directory to the library search path. - # - # XXX - if there's also a kerberos in a directory that's - # already in CPPFLAGS or LDFLAGS, this won't make us find - # the version in the specified directory, as the compiler - # and/or linker will search that other directory before it - # searches the specified directory. - # - KRB5_CFLAGS="-I$krb5_dir/include" - ac_heimdal_version=`grep heimdal $krb5_dir/include/krb5.h | head -n 1 | sed 's/^.*heimdal.*$/HEIMDAL/'` - # MIT Kerberos moved krb5.h to krb5/krb5.h starting with release 1.5 - ac_mit_version_olddir=`grep 'Massachusetts' $krb5_dir/include/krb5.h | head -n 1 | sed 's/^.*Massachusetts.*$/MIT/'` - ac_mit_version_newdir=`grep 'Massachusetts' $krb5_dir/include/krb5/krb5.h | head -n 1 | sed 's/^.*Massachusetts.*$/MIT/'` - ac_krb5_version="$ac_heimdal_version$ac_mit_version_olddir$ac_mit_version_newdir" - if test "x$ac_krb5_version" = "xHEIMDAL" - then - KRB5_LIBS="-L$krb5_dir/lib -lkrb5 -lasn1 -lcrypto -lroken -lcrypt" - else - KRB5_LIBS="-L$krb5_dir/lib -lkrb5 -lk5crypto -lcom_err" - fi - if test "x$ac_krb5_version" = "xMIT" - then - AC_DEFINE(HAVE_MIT_KERBEROS, 1, [Define to use MIT kerberos]) - fi - else - AC_PATH_TOOL(KRB5_CONFIG, krb5-config) - if test -x "$KRB5_CONFIG" - then - KRB5_CFLAGS=`"$KRB5_CONFIG" --cflags` - KRB5_LIBS=`"$KRB5_CONFIG" --libs` - ac_krb5_version=`"$KRB5_CONFIG" --version | head -n 1 | sed -e 's/^.*heimdal.*$/HEIMDAL/' -e 's/^Kerberos .*$/MIT/' -e 's/^Solaris Kerberos .*$/MIT/'` - fi - fi - # - # If -lcrypto is in KRB5_LIBS, we require it to build - # with Heimdal/MIT. We don't want to built with it by - # default, due to annoying license incompatibilities - # between the OpenSSL license and the GPL. - # - case "$KRB5_LIBS" in - *-lcrypto*) - if test "x$with_krb5_crypto_openssl" != "xyes" - then - AC_MSG_ERROR([Kerberos library requires -lcrypto, so you must specify --with-krb5-crypto-openssl]) - fi - ;; - esac - - CPPFLAGS="$CPPFLAGS $KRB5_CFLAGS" - - # - # Make sure we have "krb5.h". If we don't, it means we probably - # don't have kerberos, so don't use it. - # - AC_CHECK_HEADER(krb5.h,, - [ - if test "x$krb5_dir" != "x" - then - # - # The user used "--with-krb5=" to specify a directory - # containing kerberos, but we didn't find the header file - # there; that either means they didn't specify the - # right directory or are confused about whether kerberos - # is, in fact, installed. Report the error and give up. - # - AC_MSG_ERROR([kerberos header not found in directory specified in --with-krb5]) - else - if test "x$want_krb5" = "xyes" - then - # - # The user tried to force us to use the library, but we - # couldn't find the header file; report an error. - # - AC_MSG_ERROR(Header file krb5.h not found.) - else - # - # We couldn't find the header file; don't use the - # library, as it's probably not present. - # - KRB5_CFLAGS="" - KRB5_LIBS="" - want_krb5=no - AC_MSG_RESULT(No Heimdal or MIT header found - disabling dissection for some kerberos data in packet decoding) - fi - fi - ]) - - if test "x$want_krb5" != "xno" - then - # - # Well, we at least have the krb5 header file. - # Check whether this is Heimdal or MIT. - # - AC_MSG_CHECKING(whether the Kerberos library is Heimdal or MIT) - if test "x$ac_krb5_version" = "xHEIMDAL" -o "x$ac_krb5_version" = "xMIT" - then - # - # Yes. - # Check whether we have krb5_kt_resolve - and whether - # we need to link with -lresolv when linking with - # the Kerberos library. - # - AC_MSG_RESULT($ac_krb5_version) - found_krb5_kt_resolve=no - for extras in "" "-lresolv" - do - LIBS="$KRB5_LIBS $extras $wireshark_save_LIBS" - if test -z "$extras" - then - AC_MSG_CHECKING([whether $ac_krb5_version includes krb5_kt_resolve]) - else - AC_MSG_CHECKING([whether $ac_krb5_version includes krb5_kt_resolve (linking with $extras)]) - fi - AC_TRY_LINK( - [ -# include <krb5.h> - ], - [ - krb5_kt_resolve(0, 0, 0); - ], - [ - # - # We found "krb5_kt_resolve()". - # - AC_MSG_RESULT(yes) - if test -n "$extras"; then - KRB5_LIBS="$KRB5_LIBS $extras" - fi - AC_DEFINE(HAVE_KERBEROS, 1, [Define to use kerberos]) - if test "x$ac_krb5_version" = "xHEIMDAL" - then - AC_DEFINE(HAVE_HEIMDAL_KERBEROS, 1, [Define to use heimdal kerberos]) - elif test "x$ac_krb5_version" = "xMIT" - then - AC_DEFINE(HAVE_MIT_KERBEROS, 1, [Define to use MIT kerberos]) - fi - found_krb5_kt_resolve=yes - break - ], - [ - AC_MSG_RESULT(no) - ]) - done - if test "$found_krb5_kt_resolve" = no - then - # - # We didn't find "krb5_kt_resolve()" in the - # Kerberos library, even when we tried linking - # with -lresolv; we can't link with kerberos. - # - if test "x$want_krb5" = "xyes" - then - # - # The user tried to force us to use the library, - # but we can't do so; report an error. - # - AC_MSG_ERROR(Usable $ac_krb5_version not found) - else - # - # Don't use - # - AC_MSG_RESULT(Usable $ac_krb5_version not found - disabling dissection for some kerberos data in packet decoding) - KRB5_CFLAGS="" - KRB5_LIBS="" - want_krb5=no - fi - else - # - # We can link with Kerberos; see whether krb5.h - # defines KEYTYPE_ARCFOUR_56 (where "defines" means - # "as a #define or as an enum member). - # - AC_MSG_CHECKING([whether krb5.h defines KEYTYPE_ARCFOUR_56]) - AC_COMPILE_IFELSE( - [ - AC_LANG_SOURCE( - [[ - #include <krb5.h> - #include <stdio.h> - - int main() - { - printf("%u\n", KEYTYPE_ARCFOUR_56); - } - ]]) - ], - [ - AC_MSG_RESULT(yes) - AC_DEFINE(HAVE_KEYTYPE_ARCFOUR_56, 1, [Define if krb5.h defines KEYTYPE_ARCFOUR_56]) - ], - [ - AC_MSG_RESULT(no) - ]) - fi - else - # - # It's not Heimdal or MIT. - # - AC_MSG_RESULT(no) - if test "x$want_krb5" = "xyes" - then - # - # The user tried to force us to use the library, - # but we can't do so; report an error. - # - AC_MSG_ERROR(Kerberos not found) - else - # - # Don't use. - # - AC_MSG_RESULT(Kerberos not found - disabling dissection for some kerberos data in packet decoding) - KRB5_CFLAGS="" - KRB5_LIBS="" - want_krb5=no - fi - fi - else - # - # The user asked us not to use Kerberos, or they didn't - # say whether they wanted us to use it but we found - # that we couldn't. - # - KRB5_CFLAGS="" - KRB5_LIBS="" - want_krb5=no - fi - AC_SUBST(KRB5_CFLAGS) - AC_SUBST(KRB5_LIBS) - - LIBS="$wireshark_save_LIBS" - AC_WIRESHARK_POP_FLAGS -]) - -# -# AC_WIRESHARK_MAXMINDDB_CHECK -# -AC_DEFUN([AC_WIRESHARK_MAXMINDDB_CHECK], -[ - want_maxminddb=defaultyes - - if test "x$want_maxminddb" = "xdefaultyes"; then - want_maxminddb=yes - fi - - if test "x$want_maxminddb" = "xyes"; then - AC_CHECK_LIB(maxminddb, MMDB_open, - [ - MAXMINDDB_LIBS=-lmaxminddb - AC_DEFINE(HAVE_MAXMINDDB, 1, [Define to use MaxMind DB library]) - have_good_maxminddb=yes - ],, - ) - else - AC_MSG_RESULT(not required) - fi -]) - -# -# AC_WIRESHARK_LIBSSH_CHECK -# -AC_DEFUN([AC_WIRESHARK_LIBSSH_CHECK], -[ - want_libssh=defaultyes - - if test "x$want_libssh" = "xdefaultyes"; then - want_libssh=yes - fi - - if test "x$want_libssh" = "xyes"; then - AC_CHECK_LIB(ssh, ssh_new, - [ - LIBSSH_LIBS=-lssh - AC_DEFINE(HAVE_LIBSSH, 1, [Define to use libssh library]) - have_good_libssh=yes - ],, - ) - AC_MSG_CHECKING([whether libssh >= 0.6.0 for sshdump, ciscodump]) - PKG_CHECK_EXISTS([libssh >= 0.6.0], - [ - AC_MSG_RESULT(yes) - AC_DEFINE(HAVE_LIBSSH_POINTSIX, 1, [Defined if libssh >= 0.6.0]) - have_libssh_pointsix=yes - ], - [AC_MSG_RESULT(no)] - ) - if test "x$have_libssh_pointsix" = "xyes"; then - # ssh_userauth_agent exists only >= 0.6.0, but not on Windows - # so check explicitly - AC_CHECK_LIB(ssh, ssh_userauth_agent, - [ - AC_DEFINE(HAVE_SSH_USERAUTH_AGENT, 1, [Libssh library has ssh_userauth_agent]) - have_ssh_userauth_agent=yes - ],, - ) - fi - else - AC_MSG_RESULT(not required) - fi -]) - -# -# AC_WIRESHARK_NGHTTP2_CHECK -# -AC_DEFUN([AC_WIRESHARK_NGHTTP2_CHECK], -[ - want_nghttp2=defaultyes - - if test "x$want_nghttp2" = "xdefaultyes"; then - want_nghttp2=yes - fi - - if test "x$want_nghttp2" = "xyes"; then - AC_CHECK_LIB(nghttp2, nghttp2_hd_inflate_new, - [ - AC_CHECK_HEADERS(nghttp2/nghttp2.h, - [ - NGHTTP2_LIBS=-lnghttp2 - AC_DEFINE(HAVE_NGHTTP2, 1, [Define to use nghttp2 library]) - have_good_nghttp2=yes - ],, - ) - ],, - ) - else - AC_MSG_RESULT(not required) - fi -]) - -#AC_WIRESHARK_LDFLAGS_CHECK -# -# $1 : ldflag(s) to test -# -# We attempt to compile and link a test program with the specified linker -# flag. The defined flag is added to LDFLAGS only if the link succeeds. -# -AC_DEFUN([AC_WIRESHARK_LDFLAGS_CHECK], -[LD_OPTION="$1" -AC_MSG_CHECKING(whether we can add $LD_OPTION to LDFLAGS) -AC_WIRESHARK_PUSH_FLAGS -LDFLAGS="$LDFLAGS $LD_OPTION" -can_add_to_ldflags="" -AC_LINK_IFELSE( - [ - AC_LANG_SOURCE([[int main() { return 0; }]]) - ], - [ - AC_MSG_RESULT(yes) - AX_APPEND_FLAG([$LD_OPTION], [WS_LDFLAGS]) - can_add_to_ldflags=yes - ], - [ - AC_MSG_RESULT(no) - can_add_to_ldflags=no - ]) - AC_WIRESHARK_POP_FLAGS -]) - -dnl -dnl Check whether, if you pass an unknown warning option to the -dnl compiler, it fails or just prints a warning message and succeeds. -dnl Set ac_wireshark_unknown_warning_option_error to the appropriate flag -dnl to force an error if it would otherwise just print a warning message -dnl and succeed. -dnl -AC_DEFUN([AC_WIRESHARK_CHECK_UNKNOWN_WARNING_OPTION_ERROR], - [ - AC_MSG_CHECKING([whether the compiler fails when given an unknown warning option]) - AC_WIRESHARK_PUSH_FLAGS - CFLAGS="$CFLAGS -Wxyzzy-this-will-never-succeed-xyzzy" - AC_TRY_COMPILE( - [], - [return 0], - [ - AC_MSG_RESULT([no, adding -Werror=unknown-warning-option]) - # - # We're assuming this is clang, where - # -Werror=unknown-warning-option is the appropriate - # option to force the compiler to fail. - # - ac_wireshark_unknown_warning_option_error="-Werror=unknown-warning-option" - ], - [ - AC_MSG_RESULT([yes]) - ]) - AC_WIRESHARK_POP_FLAGS - ]) - -dnl -dnl Check whether, if you pass a valid-for-C-but-not-C++ option to the -dnl compiler, it fails or just prints a warning message and succeeds. -dnl Set ac_wireshark_non_cxx_warning_option_error to the appropriate flag -dnl to force an error if it would otherwise just print a warning message -dnl and succeed. -dnl -AC_DEFUN([AC_WIRESHARK_CHECK_NON_CXX_WARNING_OPTION_ERROR], - [ - AC_MSG_CHECKING([whether the compiler fails when given an warning option not supported for C++]) - # - # Some C+ compilers warn about -Wmissing-prototypes, and some warn - # about -Wmissing-declarations. Check both. - # - AC_LANG_PUSH(C++) - AC_WIRESHARK_PUSH_FLAGS - save_CXXFLAGS="$CXXFLAGS" - for flag in -Wmissing-prototypes -Wmissing-declarations; do - CXXFLAGS="$save_CXXFLAGS $flag" - AC_TRY_COMPILE( - [], - [return 0], - [ - # - # We're assuming this is g++, where -Werror is the - # appropriate option to force the compiler to fail. - # Check whether it fails with -Werror. - # - # NOTE: it's important to put -Werror *before* - # the flag, otherwise, when it sees the flag, - # it doesn't yet know that warnings should be - # treated as errors, and doesn't treat the - # "that's C-only" warning as an error. - # - CXXFLAGS="$save_CXXFLAGS -Werror $flag" - AC_TRY_COMPILE( - [], - [return 0], - [ - # - # No, so this option is actually OK - # with our C++ compiler. - # - # (We need an empty command here to - # prevent some versions of autoconf - # from generating a script with an - # empty "then" clause for an if statement.) - # - : - ], - [ - # - # Yes, so we need -Werror for the tests. - # - ac_wireshark_non_cxx_warning_option_error="-Werror" - break - ]) - ]) - done - AC_WIRESHARK_POP_FLAGS - AC_LANG_POP - if test x$ac_wireshark_non_cxx_warning_option_error = x; then - AC_MSG_RESULT([yes]) - else - AC_MSG_RESULT([no, adding -Werror]) - fi - ]) - -# -# AC_WIRESHARK_COMPILER_FLAGS_CHECK -# -# $1 : flags to test -# $2 : if supplied, C for C-only flags, CXX for C++-only flags -# $3 : if supplied, a program to try to compile with the flag -# and, if the compile fails when -Werror is turned on, -# we don't add the flag - used for warning flags that -# issue incorrect or non-useful warnings with some -# compiler versions -# $4 : must be supplied if $3 is supplied - a message describing -# for what the test program is testing -# -# The macro first determines if the compiler supports GCC-style flags. -# Then it attempts to compile with the defined cflags. The defined -# flags are added to WS_CHECKED_CFLAGS only if the compilation succeeds. -# CFLAGS remains unchanged. can_add_to_cflags is set to "no" when the -# flag is checked but unavailable. (Like-wise for CXXFLAGS.) -# -# We do this because not all such options are necessarily supported by -# the version of the particular compiler we're using. -# -AC_DEFUN([AC_WIRESHARK_COMPILER_FLAGS_CHECK], -[GCC_OPTION="$1" -can_add_to_cflags="" -can_add_to_cxxflags="" -if test "x$ac_supports_gcc_flags" = "xyes" ; then - if test "$2" != CXX ; then - # - # Not C++-only; if this can be added to the C compiler flags, add them. - # - # If the option begins with "-W", add - # $ac_wireshark_unknown_warning_option_error to make sure that - # we'll get an error if it's an unknown warning option; not all - # compilers treat unknown warning options as errors (I'm looking at - # you, clang). - # - # If the option begins with "-f" or "-m", add -Werror to make sure - # that we'll get an error if we get "argument unused during compilation" - # warnings, as those will either cause a failure for files compiled - # with -Werror or annoying noise for files compiled without it. - # (Yeah, you, clang.) - # - AC_MSG_CHECKING(whether we can add $GCC_OPTION to CFLAGS) - AC_WIRESHARK_PUSH_FLAGS - if expr "x$GCC_OPTION" : "x-W.*" >/dev/null - then - CFLAGS="$CFLAGS $ac_wireshark_unknown_warning_option_error $GCC_OPTION" - elif expr "x$GCC_OPTION" : "x-f.*" >/dev/null - then - CFLAGS="$CFLAGS -Werror $GCC_OPTION" - elif expr "x$GCC_OPTION" : "x-m.*" >/dev/null - then - CFLAGS="$CFLAGS -Werror $GCC_OPTION" - else - CFLAGS="$CFLAGS $GCC_OPTION" - fi - AC_COMPILE_IFELSE( - [ - AC_LANG_SOURCE([[int foo;]]) - ], - [ - AC_MSG_RESULT(yes) - can_add_to_cflags=yes - # - # OK, do we have a test program? If so, check - # whether it fails with this option and -Werror, - # and, if so, don't include it. - # - # We test arg 4 here because arg 3 is a program which - # could contain quotes (breaking the comparison). - # - if test "x$4" != "x" ; then - CFLAGS="$CFLAGS -Werror" - AC_MSG_CHECKING(whether $GCC_OPTION $4) - AC_COMPILE_IFELSE( - [AC_LANG_SOURCE($3)], - [ - AC_MSG_RESULT(no) - # - # Remove "force an error for a warning" options, if we - # added them, by setting CFLAGS to the saved value plus - # just the new option. - # - AX_APPEND_FLAG([$GCC_OPTION], [WS_CFLAGS]) - if test "$CC" = "$CC_FOR_BUILD"; then - # - # We're building the build tools with the same compiler - # with which we're building Wireshark, so add the flags - # to the flags for that compiler as well. - # - AX_APPEND_FLAG([$GCC_OPTION], [WS_CFLAGS_FOR_BUILD]) - fi - ], - [ - AC_MSG_RESULT(yes) - ]) - else - # - # Remove "force an error for a warning" options, if we - # added them, by setting CFLAGS to the saved value plus - # just the new option. - # - AX_APPEND_FLAG([$GCC_OPTION], [WS_CFLAGS]) - if test "$CC" = "$CC_FOR_BUILD"; then - # - # We're building the build tools with the same compiler - # with which we're building Wireshark, so add the flags - # to the flags for that compiler as well. - # - AX_APPEND_FLAG([$GCC_OPTION], [WS_CFLAGS_FOR_BUILD]) - fi - fi - ], - [ - AC_MSG_RESULT(no) - can_add_to_cflags=no - ]) - AC_WIRESHARK_POP_FLAGS - fi - # - # Did we find a C++ compiler? - # - if test "x$CXX" != "x" ; then - # - # Yes. Is this option only for the C compiler? - # - if test "$2" != C ; then - # - # Not C-only; if this option can be added to the C++ compiler - # options, add it. - # - # If the option begins with "-W", add - # $ac_wireshark_unknown_warning_option_error, as per the above, and - # also add $ac_wireshark_non_cxx_warning_option_error, because at - # lease some versions of g++ whine about -Wmissing-prototypes, the - # fact that at least one of those versions refuses to warn about - # function declarations without an earlier declaration nonwithstanding; - # perhaps there's a reason not to warn about that with C++ even though - # warning about it can be a Good Idea with C, but it's not obvious to - # me). - # - # If the option begins with "-f" or "-m", add -Werror to make sure - # that we'll get an error if we get "argument unused during compilation" - # warnings, as those will either cause a failure for files compiled - # with -Werror or annoying noise for files compiled without it. - # (Yeah, you, clang++.) - # - AC_MSG_CHECKING(whether we can add $GCC_OPTION to CXXFLAGS) - AC_WIRESHARK_PUSH_FLAGS - if expr "x$GCC_OPTION" : "x-W.*" >/dev/null - then - CXXFLAGS="$CXXFLAGS $ac_wireshark_unknown_warning_option_error $ac_wireshark_non_cxx_warning_option_error $GCC_OPTION" - elif expr "x$GCC_OPTION" : "x-f.*" >/dev/null - then - CXXFLAGS="$CXXFLAGS -Werror $GCC_OPTION" - elif expr "x$GCC_OPTION" : "x-m.*" >/dev/null - then - CXXFLAGS="$CXXFLAGS -Werror $GCC_OPTION" - else - CXXFLAGS="$CXXFLAGS $GCC_OPTION" - fi - AC_LANG_PUSH([C++]) - AC_COMPILE_IFELSE( - [ - AC_LANG_SOURCE([[int foo;]]) - ], - [ - AC_MSG_RESULT(yes) - can_add_to_cxxflags=yes - # - # OK, do we have a test program? 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