1 dnl Process this file with autoconf to produce a configure script.
3 dnl $Id: configure.in,v 1.13.2.53 2002/07/12 11:45:20 guus Exp $
6 AM_INIT_AUTOMAKE(tinc, 1.0-cvs)
7 AM_CONFIG_HEADER(config.h)
9 dnl Include the macros from the m4/ directory
10 AM_ACLOCAL_INCLUDE(m4)
12 # Enable GNU extensions.
13 # Define this here, not in acconfig's @TOP@ section, since definitions
14 # in the latter don't make it into the configure-time tests.
15 AC_DEFINE([_GNU_SOURCE], 1, [Enable GNU extenstions])
16 AC_DEFINE([__USE_BSD], 1, [Enable BSD extensions])
20 dnl Checks for programs.
23 AC_PROG_GCC_TRADITIONAL
39 AC_DEFINE(HAVE_LINUX, 1, [Linux])
40 [ rm -f src/device.c; ln -sf linux/device.c src/device.c ]
43 AC_DEFINE(HAVE_FREEBSD, 1, [FreeBSD])
44 [ rm -f src/device.c; ln -sf freebsd/device.c src/device.c ]
47 AC_DEFINE(HAVE_DARWIN, 1, [Darwin (MacOS/X)])
48 [ rm -f src/device.c; ln -sf darwin/device.c src/device.c ]
51 AC_DEFINE(HAVE_SOLARIS, 1, [Solaris/SunOS])
52 [ rm -f src/device.c; ln -sf solaris/device.c src/device.c ]
55 AC_DEFINE(HAVE_OPENBSD, 1, [OpenBSD])
56 [ rm -f src/device.c; ln -sf openbsd/device.c src/device.c ]
59 AC_DEFINE(HAVE_NETBSD, 1, [NetBSD])
60 [ rm -f src/device.c; ln -sf netbsd/device.c src/device.c ]
63 AC_DEFINE(HAVE_CYGWIN, 1, [Cygwin])
64 [ rm -f src/device.c; ln -sf cygwin/device.c src/device.c ]
67 AC_MSG_ERROR("Unknown operating system.")
73 if test -d /sw/include ; then
74 CPPFLAGS="$CPPFLAGS -I/sw/include"
76 if test -d /sw/lib ; then
77 LIBS="$LIBS -L/sw/lib"
80 dnl Checks for libraries.
82 dnl Checks for header files.
84 AC_CHECK_HEADERS([fcntl.h inttypes.h limits.h malloc.h stdint.h strings.h syslog.h unistd.h \
85 net/ethernet.h net/if.h netinet/in_systm.h netinet/ip.h netinet/tcp.h \
86 sys/file.h sys/ioctl.h sys/param.h sys/time.h])
88 dnl Checks for typedefs, structures, and compiler characteristics.
95 AC_CACHE_CHECK([for socklen_t], ac_cv_type_socklen_t,
98 [#include <sys/types.h>
99 #include <sys/socket.h>],
100 [socklen_t len = 42; return len;],
101 ac_cv_type_socklen_t=yes,
102 ac_cv_type_socklen_t=no)
104 if test $ac_cv_type_socklen_t = yes; then
105 AC_DEFINE(HAVE_SOCKLEN_T, 1, [socklen_t available])
108 AC_CACHE_CHECK([for struct addrinfo], ac_cv_struct_addrinfo,
111 [#include <sys/types.h>
112 #include <sys/socket.h>
114 [struct addrinfo ai; ai.ai_family = AF_INET; return ai.ai_family;],
115 ac_cv_struct_addrinfo=yes,
116 ac_cv_struct_addrinfo=no)
118 if test $ac_cv_struct_addrinfo = yes; then
119 AC_DEFINE(HAVE_STRUCT_ADDRINFO, 1, [struct addrinfo available])
122 dnl Checks for library functions.
126 AC_CHECK_FUNCS([asprintf daemon fcloseall flock ftime get_current_dir_name \
127 putenv select strdup strerror strsignal strtol unsetenv \
128 freeaddrinfo gai_strerror getaddrinfo getnameinfo])
134 dnl Support for SunOS
136 AC_CHECK_FUNC(socket, [], [
137 AC_CHECK_LIB(socket, connect)
139 AC_CHECK_FUNC(gethostbyname, [], [
140 AC_CHECK_LIB(nsl, gethostbyname)
145 dnl These are defined in files in m4/
150 dnl Check if support for jumbograms is requested
151 AC_ARG_ENABLE(jumbograms,
152 [ --enable-jumbograms enable support for jumbograms (packets up to 9000 bytes)],
153 [ AC_DEFINE(ENABLE_JUMBOGRAMS, 1, [Support for jumbograms (packets up to 9000 bytes)]) ]
156 dnl Check if checkpoint tracing has to be enabled
157 AC_ARG_ENABLE(tracing,
158 [ --enable-tracing enable checkpoint tracing (debugging only)],
159 [ AC_DEFINE(ENABLE_TRACING, 1, [Checkpoint tracing]) ]