2 # Process this file with autoconf to produce a configure script.
5 AC_INIT([vde2],[2.3.2],[info@v2.cs.unibo.it])
6 AC_CONFIG_MACRO_DIR([m4])
7 AM_INIT_AUTOMAKE([foreign dist-bzip2 subdir-objects])
8 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
9 AC_CONFIG_SRCDIR([include/vde.h])
10 AC_CONFIG_HEADER([include/config.h])
11 AC_CONFIG_LIBOBJ_DIR(src/common)
13 # Checks for programs.
21 AC_DEFINE_UNQUOTED(MODULES_EXT, "$shrext_cmds", [Extension of shared objects])
23 # Checks for libraries.
24 AC_CHECK_LIB([dl], [dlopen])
25 AC_CHECK_LIB([crypto], [EVP_EncryptInit],
26 [add_cryptcab_support=yes],
27 [add_cryptcab_support=no ; warn_cryptcab=yes])
28 AC_CHECK_LIB([pthread], [pthread_create],
30 [enable_router=no ; warn_router=yes])
31 AC_CHECK_LIB([pcap], [pcap_open_dead],
33 [add_pcap=no ; warn_pcap=yes])
35 # Checks for header files.
38 AC_CHECK_HEADERS([arpa/inet.h fcntl.h netdb.h netinet/in.h stddef.h stdint.h \
39 stdlib.h string.h strings.h sys/ioctl.h sys/param.h sys/socket.h \
40 sys/time.h syslog.h termio.h termios.h unistd.h sys/filio.h sys/bitypes.h \
41 sys/wait.h sys/select.h sys/signal.h sys/stropts.h termios.h sys/type32.h])
43 AC_CHECK_HEADERS([syslimits.h sys/syslimits.h])
45 AC_CHECK_HEADERS([openssl/blowfish.h], [],
46 [add_cryptcab_support=no ; warn_cryptcab=yes])
48 AC_CHECK_HEADERS([sysexits.h], [],
49 [add_over_ns_support=no ; warn_over_ns=yes])
51 # Checks for typedefs, structures, and compiler characteristics.
61 # Checks for library functions.
64 AC_PROG_GCC_TRADITIONAL
68 AC_FUNC_SELECT_ARGTYPES
70 AC_CHECK_FUNCS([atexit dup2 gethostbyname gethostname gettimeofday inet_ntoa \
71 memmove memset putenv select setenv socket strchr strdup strerror strstr \
72 uname inet_aton sprintf readv random srandom index bcmp drand48 memmove \
73 gethostid revoke fchmod getopt_long_only funopen])
74 AC_REPLACE_FUNCS([open_memstream strndup])
77 AC_MSG_CHECKING([for poll sanity])
78 if expr "$build_os" : "darwin*" > /dev/null; then
79 AC_MSG_RESULT([present but broken, emulating with select])
81 AC_DEFINE([poll], [vde_poll],
82 [Define to vde_poll if the replacement function should be used.])
84 AC_DEFINE([HAVE_POLL], 1, [Define to 1 if your system has a working poll() function.])
90 # All other nice checks I have to make for recostructing missing parts of
91 # slirp's config.h file
93 AC_CHECK_SIZEOF(short)
95 AC_CHECK_SIZEOF(char *)
97 # Define VDE_LINUX or VDE_DARWIN
100 if expr "$host_os" : ".*android" > /dev/null; then
101 AC_DEFINE([VDE_BIONIC], 1, [If defined, this is a Linux/bionic system])
103 AC_DEFINE([VDE_LINUX], 1, [If defined, this is a Linux system])
107 AC_DEFINE([VDE_DARWIN], 1, [If defined, this is a Darwin system])
111 AC_DEFINE([VDE_FREEBSD], 1, [If defined, this is a FreeBSD system])
114 AC_MSG_ERROR([Unsupported OS: $build_os. At the moment, only Linux, Darwin
115 and FreeBSD are supported. Contributions are appreciated! :-)])
119 # Enable profiling options
120 AC_ARG_ENABLE([profile],
121 AS_HELP_STRING([--enable-profile],
122 [Compile with debugging/profiling options]),
123 [if test $enableval = "yes"; then enable_profile=yes; fi])
125 # Enable experimental features
126 AC_ARG_ENABLE([experimental],
127 AS_HELP_STRING([--enable-experimental],
128 [Enable experimental features (async notifies, plugin support, packet counter)]),
129 [if test $enableval = "yes"; then enable_experimental=yes; fi])
131 # Disable vde_cryptcab? (depends on ssl, maybe unwanted)
132 AC_ARG_ENABLE([cryptcab],
133 AS_HELP_STRING([--disable-cryptcab],
134 [Disable libcrypto-dependend vde_cryptcab compilation]),
135 [if test $enableval = "no" ; then add_cryptcab_support=no ; warn_cryptcab=no ; fi])
137 # Disable vde_over_ns? (not working on android, maybe unwanted)
138 AC_ARG_ENABLE([vde_over_ns],
139 AS_HELP_STRING([--disable-vde_over_ns],
140 [Disable vde_over_ns compilation]),
141 [if test $enableval = "no" ; then add_over_ns_support=no ; warn_over_ns=no ; fi])
143 # Disable vde_router? (depends on lpthread, maybe unwanted)
144 AC_ARG_ENABLE([router],
145 AS_HELP_STRING([--disable-router],
146 [Disable libpthread-dependent vde_router compilation]),
147 [if test $enableval = "no" ; then enable_router=no ; warn_router=no ; fi])
149 # Check of tuntap device
150 AC_ARG_ENABLE([tuntap],
151 AS_HELP_STRING([--disable-tuntap], [Disable tuntap compilation]), [:],
154 AC_CHECK_HEADER([linux/if_tun.h],
155 [AC_DEFINE([HAVE_TUNTAP], 1, [If defined, tuntap support is compiled in])],
157 can_make_libvdetap=yes
158 can_make_vdetunctl=yes
161 # I don't use AC_CHECK_FILES because I need test -e and not test -r
162 for i in /dev/tap0 /Library/Extensions/tap.kext ; do
163 AC_MSG_CHECKING([for $i])
164 if test -e "$i" ; then
166 definename="`echo "$i" | tr "a-z*" "A-ZP" | tr -c "0-9A-Z" "_"`"
167 AC_DEFINE_UNQUOTED([HAVE_$definename])
168 eval HAVE_$definename=yes
175 if test "$HAVE__DEV_TAP0_" ; then
176 AC_DEFINE([HAVE_TUNTAP], 1, [If defined, tuntap support is compiled in])
177 if ! test "$HAVE__LIBRARY_EXTENSIONS_TAP_KEXT_" || "$HAVE__SYSTEM_LIBRARY_EXTENSIONS_TAP_KEXT_" ; then
178 AC_MSG_WARN([/dev/tap0 exists, but the kext cannot be found. Let's hope your
179 configuration does work...])
183 AC_MSG_WARN([You do not have tuntap support. You can get it here:
184 http://tuntaposx.sourceforge.net/])
188 AC_CHECK_HEADER([net/if_tun.h],
189 [AC_DEFINE([HAVE_TUNTAP], 1, [If defined, tuntap support is compiled in])],
194 # Disable pcap support (pdump)? (depends on libpcap, maybe unwanted)
195 AC_ARG_ENABLE([pcap],
196 AS_HELP_STRING([--disable-pcap],
197 [Disable pcap support (pdump plugin)]),
198 [if test $enableval = "no" ; then add_pcap=no ; warn_pcap=no ; fi])
200 AC_ARG_ENABLE([kernel-switch],
201 AS_HELP_STRING([--enable-kernel-switch],
202 [Compile support for in-kernel switch. ]),
203 [if test $enableval = "yes"; then
204 enable_kernel_switch=yes
205 AC_DEFINE([USE_IPN], 1, [If defined, enable support for IPN socket])
209 AC_ARG_ENABLE([python],
210 AS_HELP_STRING([--disable-python], [Disable python bindings]),
211 [enable_python=$enableval],
215 if test x"$enable_python" = x"yes"; then
217 AM_PATH_PYTHON([2.5])
218 AC_PATH_PROG(PYTHON_CONFIG, python$PYTHON_VERSION-config)
219 if test x"$PYTHON_CONFIG" = x""; then
220 AC_PATH_PROG(PYTHON_CONFIG, python-config)
222 if test x"$PYTHON_CONFIG" = x""; then
226 PYTHON_CFLAGS=`$PYTHON_CONFIG --includes`
227 PYTHON_LIBS=`$PYTHON_CONFIG --libs`
228 PYTHON_INCLUDES="$PYTHON_CFLAGS"
230 AC_SUBST(PYTHON_CFLAGS)
231 AC_SUBST(PYTHON_INCLUDES)
232 AC_SUBST(PYTHON_LIBS)
236 AM_CONDITIONAL(ENABLE_CRYPTCAB, test "$add_cryptcab_support" = yes)
237 AM_CONDITIONAL(ENABLE_VDE_OVER_NS, test "$add_over_ns_support" = yes)
238 AM_CONDITIONAL(ENABLE_ROUTER, test "$enable_router" = yes)
239 AM_CONDITIONAL(ENABLE_PYTHON, test "$enable_python" = yes)
240 AM_CONDITIONAL(ENABLE_PCAP, test "$add_pcap" = yes)
241 AM_CONDITIONAL(CAN_MAKE_LIBVDETAP, test "$can_make_libvdetap" = yes)
242 AM_CONDITIONAL(CAN_MAKE_VDETUNCTL, test "$can_make_vdetunctl" = yes)
243 AM_CONDITIONAL(ENABLE_EXPERIMENTAL, test "$enable_experimental" = yes)
244 AM_CONDITIONAL(ENABLE_PROFILE, test "$enable_profile" = yes)
245 AM_CONDITIONAL(DARWIN_GCC, test "$darwin_gcc" = yes)
246 AM_CONDITIONAL(ENABLE_KERNEL_SWITCH, test "$enable_kernel_switch" = yes)
249 CFLAGS="-Wall -O2 $CFLAGS"
263 [src/lib/python/Makefile]
264 [src/vde_switch/Makefile]
265 [src/kvde_switch/Makefile]
266 [src/vde_over_ns/Makefile]
267 [src/common/Makefile]
268 [src/vdetaplib/Makefile]
269 [src/vde_l3/Makefile]
270 [src/vde_cryptcab/Makefile]
271 [src/vde_router/Makefile]
272 [src/slirpvde/Makefile]
273 [src/vde_switch/plugins/Makefile]
280 AS_ECHO "Configure results:"
282 if test x$add_cryptcab_support = "xyes" ; then
283 AS_ECHO " + VDE CryptCab............ enabled"
285 AS_ECHO " - VDE CryptCab............ disabled"
288 if test x$enable_router = "xyes" ; then
289 AS_ECHO " + VDE Router.............. enabled"
291 AS_ECHO " - VDE Router.............. disabled"
294 if test x$enable_python = "xyes" ; then
295 AS_ECHO " + Python Libraries........ enabled"
297 AS_ECHO " - Python Libraries........ disabled"
300 if test x$warn_tuntap = "xyes" ; then
301 AS_ECHO " - TAP support............. disabled"
303 AS_ECHO " + TAP support............. enabled"
306 if test x$add_pcap = "xyes" ; then
307 AS_ECHO " + pcap support............ enabled"
309 AS_ECHO " - pcap support............ disabled"
312 if test x$enable_experimental = "xyes" ; then
313 AS_ECHO " + Experimental features... enabled"
315 AS_ECHO " - Experimental features... disabled"
318 if test x$enable_profile = "xyes" ; then
319 AS_ECHO " + Profiling options....... enabled"
321 AS_ECHO " - Profiling options....... disabled"
324 if test x$enable_kernel_switch = "xyes" ; then
325 AS_ECHO " + Kernel switch........... enabled"
327 AS_ECHO " - Kernel switch........... disabled"
332 if ! test x$add_cryptcab_support = "xyes" ; then
333 if test x$warn_cryptcab = "xyes" ; then
334 AC_MSG_WARN([VDE CryptCab support has been disabled because libcrypto is
335 not installed on your system, or because openssl/blowfish.h could not be found.
336 Please install them if you want CryptCab to be compiled and installed.])
341 if ! test x$add_over_ns_support = "xyes" ; then
342 if test x$warn_over_ns = "xyes" ; then
343 AC_MSG_WARN([VDE vde_over_ns support has been disabled because your libc
344 sysexits.h could not be found.])
349 if ! test x$enable_router = "xyes" ; then
350 if test x$warn_router = "xyes" ; then
351 AC_MSG_WARN([VDE Router support has been disabled because libpthread is
352 not installed on your system.])
357 if ! test x$enable_python = "xyes" ; then
358 AC_MSG_WARN([Python libraries support has been disabled because python is
359 not installed on your system, or because it could not be found. Please install
360 it if you want Python libraries to be compiled and installed.])
364 if ! test x$add_pcap = "xyes" ; then
365 if test x$warn_pcap = "xyes" ; then
366 AC_MSG_WARN([VDE vde_pcapplug and packet dump plugin have been disabled
367 because libpcap is not installed on your system, or because it is too old.
368 Please install it if you want vde_pcapplug and pdump to be compiled and
375 AS_ECHO "Type 'make' to compile $PACKAGE $VERSION,"
376 AS_ECHO "or type 'make V=1' for verbose compiling"
377 AS_ECHO "and then type 'make install' to install it into $prefix"