1 dnl Process this file with autoconf to produce a configure script.
7 AC_CONFIG_SRCDIR([src/tincd.c])
8 AM_INIT_AUTOMAKE(tinc, 1.1-cvs)
9 AC_CONFIG_HEADERS([config.h])
12 AM_GNU_GETTEXT([external])
13 AM_GNU_GETTEXT_VERSION(0.14.1)
15 # Enable GNU extensions.
16 # Define this here, not in acconfig's @TOP@ section, since definitions
17 # in the latter don't make it into the configure-time tests.
19 AC_DEFINE([__USE_BSD], 1, [Enable BSD extensions])
23 dnl Checks for programs.
36 AC_DEFINE(HAVE_LINUX, 1, [Linux])
37 [ rm -f src/device.c; ln -sf linux/device.c src/device.c ]
40 AC_DEFINE(HAVE_FREEBSD, 1, [FreeBSD])
41 [ rm -f src/device.c; ln -sf bsd/device.c src/device.c ]
44 AC_DEFINE(HAVE_DARWIN, 1, [Darwin (MacOS/X)])
45 [ rm -f src/device.c; ln -sf bsd/device.c src/device.c ]
48 AC_DEFINE(HAVE_SOLARIS, 1, [Solaris/SunOS])
49 [ rm -f src/device.c; ln -sf solaris/device.c src/device.c ]
52 AC_DEFINE(HAVE_OPENBSD, 1, [OpenBSD])
53 [ rm -f src/device.c; ln -sf bsd/device.c src/device.c ]
56 AC_DEFINE(HAVE_NETBSD, 1, [NetBSD])
57 [ rm -f src/device.c; ln -sf bsd/device.c src/device.c ]
60 AC_MSG_WARN("Unknown BSD variant, tinc might not compile or work!")
61 AC_DEFINE(HAVE_BSD, 1, [Unknown BSD variant])
62 [ rm -f src/device.c; ln -sf bsd/device.c src/device.c ]
65 AC_DEFINE(HAVE_CYGWIN, 1, [Cygwin])
66 [ rm -f src/device.c; ln -sf cygwin/device.c src/device.c ]
69 AC_DEFINE(HAVE_MINGW, 1, [MinGW])
70 [ rm -f src/device.c; cp -f src/mingw/device.c src/device.c ]
74 AC_MSG_ERROR("Unknown operating system.")
80 if test -d /sw/include ; then
81 CPPFLAGS="$CPPFLAGS -I/sw/include"
83 if test -d /sw/lib ; then
84 LIBS="$LIBS -L/sw/lib"
87 dnl Checks for libraries.
89 AC_CHECK_LIB(event, event_init,
90 [], [AC_MSG_ERROR(libevent is required)])
92 dnl Checks for header files.
93 dnl We do this in multiple stages, because unlike Linux all the other operating systems really suck and don't include their own dependencies.
96 AC_CHECK_HEADERS([stdbool.h syslog.h sys/file.h sys/ioctl.h sys/mman.h sys/param.h sys/socket.h sys/time.h sys/uio.h sys/wait.h netdb.h arpa/inet.h])
97 AC_CHECK_HEADERS([net/if.h net/if_types.h linux/if_tun.h net/if_tun.h net/if_tap.h net/ethernet.h net/if_arp.h netinet/in_systm.h netinet/in.h netinet/in6.h],
98 [], [], [#include "have.h"]
100 AC_CHECK_HEADERS([netinet/if_ether.h netinet/ip.h netinet/ip6.h],
101 [], [], [#include "have.h"]
103 AC_CHECK_HEADERS([netinet/tcp.h netinet/ip_icmp.h netinet/icmp6.h],
104 [], [], [#include "have.h"]
107 dnl Checks for typedefs, structures, and compiler characteristics.
115 tinc_ATTRIBUTE(__malloc__)
117 AC_CHECK_TYPES([socklen_t, struct ether_header, struct arphdr, struct ether_arp, struct in_addr, struct addrinfo, struct ip, struct icmp, struct in6_addr, struct sockaddr_in6, struct ip6_hdr, struct icmp6_hdr, struct nd_neighbor_solicit, struct nd_opt_hdr], , ,
121 dnl Checks for library functions.
125 AC_CHECK_FUNCS([asprintf daemon fchmod flock ftime fork get_current_dir_name gettimeofday mlockall putenv random select strdup strerror strsignal strtol system unsetenv vsyslog writev],
126 [], [], [#include "have.h"]
131 dnl Support for SunOS
133 AC_CHECK_FUNC(socket, [], [
134 AC_CHECK_LIB(socket, connect)
136 AC_CHECK_FUNC(gethostbyname, [], [
137 AC_CHECK_LIB(nsl, gethostbyname)
140 AC_CHECK_FUNCS([freeaddrinfo gai_strerror getaddrinfo getnameinfo inet_aton],
141 [], [], [#include "have.h"]
146 dnl These are defined in files in m4/
148 AC_ARG_WITH(libgcrypt, AC_HELP_STRING([--with-libgcrypt], [enable use of libgcrypt instead of OpenSSL])], [])
153 if test "$with_libgcrypt" = yes; then
154 AM_PATH_LIBGCRYPT([], [], [])
155 ln -sf gcrypt/crypto.c gcrypt/crypto.h gcrypt/cipher.c gcrypt/cipher.h gcrypt/digest.c gcrypt/digest.h gcrypt/rsa.c gcrypt/rsa.h src/
158 ln -sf openssl/crypto.c openssl/crypto.h openssl/cipher.c openssl/cipher.h openssl/digest.c openssl/digest.h openssl/rsa.c openssl/rsa.h src/
162 dnl Check if support for jumbograms is requested
163 AC_ARG_ENABLE(jumbograms,
164 AS_HELP_STRING([--enable-jumbograms], [enable support for jumbograms (packets up to 9000 bytes)]),
165 [ AC_DEFINE(ENABLE_JUMBOGRAMS, 1, [Support for jumbograms (packets up to 9000 bytes)]) ]
168 dnl Check if checkpoint tracing has to be enabled
169 AC_ARG_ENABLE(tracing,
170 AS_HELP_STRING([--enable-tracing], [enable checkpoint tracing (debugging only)]),
171 [ AC_DEFINE(ENABLE_TRACING, 1, [Checkpoint tracing]) ]
176 AC_CONFIG_FILES([Makefile src/Makefile doc/Makefile lib/Makefile po/Makefile.in m4/Makefile])