1 dnl Process this file with autoconf to produce a configure script.
3 dnl $Id: configure.in,v 1.19 2002/04/28 12:46:25 zarq 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_SOLARIS)
47 [ rm -f src/device.c; ln -sf solaris/device.c src/device.c ]
50 AC_DEFINE(HAVE_OPENBSD)
51 [ rm -f src/device.c; ln -sf openbsd/device.c src/device.c ]
54 AC_DEFINE(HAVE_NETBSD)
55 [ rm -f src/device.c; ln -sf netbsd/device.c src/device.c ]
61 dnl Checks for libraries.
63 dnl Checks for header files.
65 AC_CHECK_HEADERS([fcntl.h limits.h sys/ioctl.h syslog.h unistd.h \
66 sys/time.h malloc.h strings.h sys/file.h])
68 dnl Checks for typedefs, structures, and compiler characteristics.
75 dnl Checks for library functions.
79 AC_CHECK_FUNCS([ftime socket select strtol strerror flock unsetenv \
80 asprintf putenv strdup fcloseall daemon strsignal get_current_dir_name])
89 AC_CHECK_FUNC(socket, [], [
90 AC_CHECK_LIB(socket, connect)
92 AC_CHECK_FUNC(gethostbyname, [], [
93 AC_CHECK_LIB(nsl, gethostbyname)
98 dnl These are defined in files in m4/
105 [ --with-gcrypt Use GCRYPT for all cryptographic functions],
107 if test "x$withval" = "xyes" ; then
116 [ --with-openssl Use OpenSSL for all cryptographic functions],
118 if test "x$withval" = "xyes" ; then
126 if test \( $use_gcrypt -eq 0 -a $use_openssl -eq 0 \) \
127 -o \( $use_gcrypt -eq 1 -a $use_openssl -eq 1 \) ; then
129 Error: You must select exactly one of GCRYPT or OpenSSL.
131 echo use_openssl=$use_openssl, use_gcrypt=$use_gcrypt
135 if test $use_gcrypt -eq 1 ; then
136 AC_MSG_RESULT([Selecting GCRYPT for crypto])
138 AC_DEFINE(USE_GCRYPT)
140 if test $use_openssl -eq 1 ; then
141 AC_MSG_RESULT([Selecting OpenSSL for crypto])
143 AC_DEFINE(USE_OPENSSL)
148 dnl Check if support for jumbograms is requested
149 AC_ARG_ENABLE(jumbograms,
150 [ --enable-jumbograms enable support for jumbograms (packets up to 9000 bytes)],
151 [ AC_DEFINE(ENABLE_JUMBOGRAMS) ]
154 dnl Check if checkpoint tracing has to be enabled
155 AC_ARG_ENABLE(tracing,
156 [ --enable-tracing enable checkpoint tracing (debugging only)],
157 [ AC_DEFINE(ENABLE_TRACING) ]