10 AM_INIT_AUTOMAKE(libwtap.a, 0.0.0)
11 AM_CONFIG_HEADER(config.h)
15 dnl Checks for programs.
21 AC_PATH_PROG(LEX, flex)
26 # If we're running gcc, add '-Wall -W -Wcast-qual' to CFLAGS, and add
27 # '-D_U_="__attribute__((unused))"' as well, so we can use _U_ to
28 # flag unused function arguments and not get warnings about them.
29 # If "--with-extra-gcc-checks" was specified, add "-Wcast-align"
30 # as well. (Add more checks here in the future?)
32 # Otherwise, add '-D_U_=""', so that _U_ used to flag an unused function
33 # argument will compile with non-GCC compilers.
35 AC_ARG_WITH(extra-gcc-checks,
36 [ --with-extra-gcc-checks Do additional -W checks in GCC. [default=no]],
38 if test $withval != no
40 wireshark_extra_gcc_flags=" -Wcast-qual -Wcast-align -Wbad-function-cast -pedantic -Wmissing-declarations -Wwrite-strings"
43 AC_MSG_CHECKING(to see if we can add '-Wall -W -Wcast-qual $wireshark_extra_gcc_flags' to CFLAGS)
44 if test x$GCC != x ; then
45 CFLAGS="-D_U_=\"__attribute__((unused))\" -Wall -W $wireshark_extra_gcc_flags $CFLAGS"
48 CFLAGS="-D_U_=\"\" $CFLAGS"
53 # Add any platform-specific compiler flags needed.
55 AC_MSG_CHECKING(for platform-specific compiler flags)
59 # Not GCC - assume it's the vendor's compiler.
64 # HP's ANSI C compiler; flags suggested by Jost Martin.
65 # "-Ae" for ANSI C plus extensions such as "long long".
66 # "+O2", for optimization. XXX - works with "-g"?
68 CFLAGS="-Ae +O2 $CFLAGS"
69 AC_MSG_RESULT(HP ANSI C compiler - added -Ae +O2)
73 # It may be called "cc", but it's really a GCC derivative
74 # with a problematic special precompiler and precompiled
75 # headers; turn off the special precompiler, as some
76 # apparently-legal code won't compile with its precompiled
79 CFLAGS="-no-cpp-precomp $CFLAGS"
80 AC_MSG_RESULT(Apple GCC - added -no-cpp-precomp)
83 AC_MSG_RESULT(none needed)
90 # See comments above about Apple's lovely C compiler.
92 CFLAGS="-no-cpp-precomp $CFLAGS"
93 AC_MSG_RESULT(Apple GCC - added -no-cpp-precomp)
97 # Shared libraries in cygwin/Win32 must never contain
100 LDFLAGS="$LDFLAGS -no-undefined"
101 AC_MSG_RESULT(CygWin GCC - added -no-undefined to LDFLAGS)
104 AC_MSG_RESULT(none needed)
109 AC_ARG_ENABLE(profile-build,
110 [ --enable-profile-build build profile-ready binaries. [default=no]],enable_profile_build=$enableval,enable_profile_build=no)
111 AM_CONDITIONAL(USE_PROFILE_BUILD, test x$enable_profile_build = xyes)
112 AC_MSG_CHECKING(if profile builds must be generated)
113 if test "x$enable_profile_build" = "xyes" ; then
114 if test -n "$GCC" ; then
116 CFLAGS=" -pg $CFLAGS"
119 echo "Building profile binaries currently only supported for GCC."
126 [ --disable-gtk2 build Glib1/Gtk1+-based wireshark/tshark. [default=no]],enable_gtk2=$enableval,enable_gtk2=yes)
128 if test "x$enable_gtk2" = "xyes" ; then
129 AM_PATH_GLIB_2_0(2.0.0, CFLAGS="$CFLAGS $GLIB_CFLAGS" LIBS="$LIBS $GLIB_LIBS", , gmodule)
131 AM_PATH_GLIB(1.2.0, CFLAGS="$CFLAGS $GLIB_CFLAGS" LIBS="$LIBS $GLIB_LIBS", , gmodule)
134 dnl Look in /usr/local for header files and libraries ?
135 AC_ARG_ENABLE(usr-local,
136 [ --enable-usr-local look for headers and libs in /usr/local tree. [default=yes]],enable_usr_local=$enableval,enable_usr_local=yes)
138 AC_MSG_CHECKING(whether to use /usr/local for headers and libraries)
139 if test "x$enable_usr_local" = "xyes" ; then
142 # Arrange that we search for header files in "/usr/local/include",
143 # as various packages we use ("libpcap", "zlib") may have been installed
144 # under "/usr/local/include".
146 # We do this after checking for GLib, so that "-I/usr/local/include"
147 # comes after any "-I" flags added by "AM_PATH_GLIB"; if the user has
148 # installed a pre-1.2.9 version of GLib, it'd probably go under
149 # "/usr/local", and if they then install 1.2.9 or later without
150 # uninstalling the pre-1.2.9 version, 1.2.9's header files won't be
151 # in "/usr/local/include" (they're put in a separate directory so that
152 # GLib 1.2[.x] and 1.3[.x]/2.x can coexist), and if we search
153 # "/usr/local/include" before searching the directory "AM_PATH_GLIB"
154 # specifies, we may pick up headers from the older version.
156 CFLAGS="$CFLAGS -I/usr/local/include"
157 CPPFLAGS="$CPPFLAGS -I/usr/local/include"
160 # Arrange that we search for libraries in "/usr/local/lib", as we'll
161 # be testing whether zlib has gzgets, and we need to be able to find
162 # zlib even if it's in "/usr/local/lib".
164 # We do this after checking for GLib; see above.
166 LDFLAGS="$LDFLAGS -L/usr/local/lib"
171 dnl Checks for header files
173 AC_CHECK_HEADERS(sys/time.h netinet/in.h unistd.h fcntl.h sys/stat.h sys/types.h)
175 # We must know our byte order
179 # Does GLib define G_GINT64_MODIFIER?
181 AC_MSG_CHECKING([[whether glib.h defines the G_GINT64_MODIFIER macro]])
187 #if GTK_MAJOR_VERSION >= 2
188 #include <glib/gprintf.h>
195 g_snprintf(strbuf, sizeof strbuf, "%" G_GINT64_MODIFIER "x\n", (gint64)1);
204 AC_WIRETAP_CHECK_64BIT_FORMAT(ll,
206 AC_WIRETAP_CHECK_64BIT_FORMAT(L,
208 AC_WIRETAP_CHECK_64BIT_FORMAT(q,
210 AC_MSG_ERROR([neither %llx nor %Lx nor %qx worked on a 64-bit integer])
217 # Look for libpcap, so we can include <pcap.h> in libpcap.c if it's
220 # "--with-pcap" is merely done to allow the user to specify a directory
221 # in which to look for <pcap.h> (and so that specifying it to the
222 # top-level Wireshark configure script specifies it to the Wiretap
223 # configure script as well); we search for it regardless of whether
224 # "--without-pcap" was specified, as Wiretap isn't linked with it and
225 # there's no benefit to not looking for the header.
228 [ --with-pcap=DIR libpcap is located in directory DIR.],
230 if test $withval != yes -a $withval != no
237 AC_WIRETAP_PCAP_CHECK
240 AC_MSG_CHECKING(whether to use zlib for reading compressed capture files)
243 [ --with-zlib[=DIR] use zlib (located in directory DIR, if supplied) to read compressed data. [default=yes, if present]],
245 if test $withval = no
248 elif test $withval = yes
257 # Use zlib if it's present, otherwise don't.
262 if test "x$want_zlib" = "xno" ; then
266 AC_WIRETAP_ZLIB_CHECK
267 if test "x$want_zlib" = "xno" ; then
268 AC_MSG_RESULT(zlib not found - disabling compressed capture file support)