1 dnl Process this file with autoconf to produce a configure script.
3 dnl $Id: configure.in,v 1.13.2.51 2002/06/11 11:03:17 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_MSG_ERROR("Unknown operating system.")
69 if test -d /sw/include ; then
70 CPPFLAGS="$CPPFLAGS -I/sw/include"
72 if test -d /sw/lib ; then
73 LIBS="$LIBS -L/sw/lib"
76 dnl Checks for libraries.
78 dnl Checks for header files.
80 AC_CHECK_HEADERS([fcntl.h inttypes.h limits.h malloc.h stdint.h strings.h syslog.h unistd.h \
81 net/ethernet.h net/if.h netinet/in_systm.h netinet/ip.h netinet/tcp.h \
82 sys/file.h sys/ioctl.h sys/param.h sys/time.h])
84 dnl Checks for typedefs, structures, and compiler characteristics.
91 AC_CACHE_CHECK([for socklen_t], ac_cv_type_socklen_t,
94 [#include <sys/types.h>
95 #include <sys/socket.h>],
96 [socklen_t len = 42; return len;],
97 ac_cv_type_socklen_t=yes,
98 ac_cv_type_socklen_t=no)
100 if test $ac_cv_type_socklen_t = yes; then
101 AC_DEFINE(HAVE_SOCKLEN_T, 1, [socklen_t available])
104 dnl Checks for library functions.
108 AC_CHECK_FUNCS([asprintf daemon fcloseall flock ftime get_current_dir_name \
109 putenv select strdup strerror strsignal strtol unsetenv getnameinfo])
115 dnl Support for SunOS
117 AC_CHECK_FUNC(socket, [], [
118 AC_CHECK_LIB(socket, connect)
120 AC_CHECK_FUNC(gethostbyname, [], [
121 AC_CHECK_LIB(nsl, gethostbyname)
126 dnl These are defined in files in m4/
131 dnl Check if support for jumbograms is requested
132 AC_ARG_ENABLE(jumbograms,
133 [ --enable-jumbograms enable support for jumbograms (packets up to 9000 bytes)],
134 [ AC_DEFINE(ENABLE_JUMBOGRAMS, 1, [Support for jumbograms (packets up to 9000 bytes)]) ]
137 dnl Check if checkpoint tracing has to be enabled
138 AC_ARG_ENABLE(tracing,
139 [ --enable-tracing enable checkpoint tracing (debugging only)],
140 [ AC_DEFINE(ENABLE_TRACING, 1, [Checkpoint tracing]) ]