1 dnl Process this file with autoconf to produce a configure script.
3 dnl $Id: configure.in,v 1.13.2.44 2002/04/19 14:06:40 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], [__USE_BSD])
19 dnl Checks for programs.
22 AC_PROG_GCC_TRADITIONAL
39 [ rm -f src/device.c; ln -sf linux/device.c src/device.c ]
42 AC_DEFINE(HAVE_FREEBSD)
43 [ rm -f src/device.c; ln -sf freebsd/device.c src/device.c ]
46 AC_DEFINE(HAVE_FREEBSD)
47 [ rm -f src/device.c; ln -sf freebsd/device.c src/device.c ]
50 AC_DEFINE(HAVE_SOLARIS)
51 [ rm -f src/device.c; ln -sf solaris/device.c src/device.c ]
54 AC_DEFINE(HAVE_OPENBSD)
55 [ rm -f src/device.c; ln -sf openbsd/device.c src/device.c ]
58 AC_DEFINE(HAVE_NETBSD)
59 [ rm -f src/device.c; ln -sf netbsd/device.c src/device.c ]
62 AC_MSG_ERROR("Unknown operating system.")
68 dnl Checks for libraries.
70 dnl Checks for header files.
72 AC_CHECK_HEADERS([fcntl.h limits.h sys/ioctl.h syslog.h unistd.h \
73 sys/time.h malloc.h strings.h sys/file.h])
75 dnl Checks for typedefs, structures, and compiler characteristics.
82 AC_CACHE_CHECK([for socklen_t], ac_cv_type_socklen_t,
85 [#include <sys/socket.h>],
86 [socklen_t len = 42; return len;],
87 ac_cv_type_socklen_t=yes,
88 ac_cv_type_socklen_t=no)
90 if test $ac_cv_type_socklen_t == yes; then
91 AC_DEFINE(HAVE_SOCKLEN_T)
94 dnl Checks for library functions.
98 AC_CHECK_FUNCS([ftime socket select strtol strerror flock unsetenv \
99 asprintf putenv strdup fcloseall daemon strsignal get_current_dir_name])
105 dnl Support for SunOS
107 AC_CHECK_FUNC(socket, [], [
108 AC_CHECK_LIB(socket, connect)
110 AC_CHECK_FUNC(gethostbyname, [], [
111 AC_CHECK_LIB(nsl, gethostbyname)
116 dnl These are defined in files in m4/
121 dnl Check if support for jumbograms is requested
122 AC_ARG_ENABLE(jumbograms,
123 [ --enable-jumbograms enable support for jumbograms (packets up to 9000 bytes)],
124 [ AC_DEFINE(ENABLE_JUMBOGRAMS) ]
127 dnl Check if checkpoint tracing has to be enabled
128 AC_ARG_ENABLE(tracing,
129 [ --enable-tracing enable checkpoint tracing (debugging only)],
130 [ AC_DEFINE(ENABLE_TRACING) ]