dnl Process this file with autoconf to produce a configure script.
-AC_PREREQ(2.61)
-AC_INIT([tinc], [1.1pre7])
+origcflags="$CFLAGS"
+
+AC_PREREQ(2.69)
+AC_INIT([tinc], m4_esyscmd_s((git describe || echo UNKNOWN) | sed 's/release-//'))
AC_CONFIG_SRCDIR([src/tincd.c])
-AC_GNU_SOURCE
-AM_INIT_AUTOMAKE([check-news dist-bzip2 std-options subdir-objects])
+AM_INIT_AUTOMAKE([std-options subdir-objects nostdinc silent-rules -Wall])
AC_CONFIG_HEADERS([config.h])
-AM_MAINTAINER_MODE
+AC_CONFIG_MACRO_DIR([m4])
+AM_SILENT_RULES([yes])
-# Enable GNU extensions.
-# Define this here, not in acconfig's @TOP@ section, since definitions
-# in the latter don't make it into the configure-time tests.
-AC_GNU_SOURCE
-AC_DEFINE([__USE_BSD], 1, [Enable BSD extensions])
+AC_USE_SYSTEM_EXTENSIONS
dnl Checks for programs.
-AC_PROG_CC_C99
+AC_PROG_CC
+AC_PROG_CC_STDC
AC_PROG_CPP
AC_PROG_INSTALL
-AC_PROG_LN_S
-AC_PROG_RANLIB
+AM_PROG_CC_C_O
+
+dnl Check whether to enable code coverage testing, and if so, clear the default CFLAGS.
+AX_CODE_COVERAGE
+AS_IF([test "x$enable_code_coverage" = "xyes" -a "x$origcflags" = "x"], [CFLAGS=""])
dnl Check and set OS
case $host_os in
*linux*)
+ linux=true
AC_DEFINE(HAVE_LINUX, 1, [Linux])
- [ rm -f src/device.c; ln -sf linux/device.c src/device.c ]
;;
*freebsd*)
+ bsd=true
AC_DEFINE(HAVE_FREEBSD, 1, [FreeBSD])
- [ rm -f src/device.c; ln -sf bsd/device.c src/device.c ]
;;
*darwin*)
+ bsd=true
AC_DEFINE(HAVE_DARWIN, 1, [Darwin (MacOS/X)])
- [ rm -f src/device.c; ln -sf bsd/device.c src/device.c ]
;;
*solaris*)
+ solaris=true
AC_DEFINE(HAVE_SOLARIS, 1, [Solaris/SunOS])
- [ rm -f src/device.c; ln -sf solaris/device.c src/device.c ]
;;
*openbsd*)
+ bsd=true
AC_DEFINE(HAVE_OPENBSD, 1, [OpenBSD])
- [ rm -f src/device.c; ln -sf bsd/device.c src/device.c ]
;;
*netbsd*)
+ bsd=true
AC_DEFINE(HAVE_NETBSD, 1, [NetBSD])
- [ rm -f src/device.c; ln -sf bsd/device.c src/device.c ]
;;
*dragonfly*)
+ bsd=true
AC_DEFINE(HAVE_DRAGONFLY, 1, [DragonFly])
- [ rm -f src/device.c; ln -sf bsd/device.c src/device.c ]
;;
*bsd*)
+ bsd=true
AC_MSG_WARN("Unknown BSD variant, tinc might not compile or work!")
AC_DEFINE(HAVE_BSD, 1, [Unknown BSD variant])
- [ rm -f src/device.c; ln -sf bsd/device.c src/device.c ]
;;
*cygwin*)
- AC_DEFINE(HAVE_CYGWIN, 1, [Cygwin])
- [ rm -f src/device.c; ln -sf cygwin/device.c src/device.c ]
+ AC_MSG_ERROR("Cygwin is no longer supported. Use MinGW to build native Windows binaries.")
;;
*mingw*)
+ mingw=true
AC_DEFINE(HAVE_MINGW, 1, [MinGW])
- [ rm -f src/device.c; cp -f src/mingw/device.c src/device.c ]
- LIBS="$LIBS -lws2_32 -lgdi32 -lcrypt32"
+ LIBS="$LIBS -lws2_32 -lgdi32 -lcrypt32 -liphlpapi"
+ LDFLAGS="$LDFLAGS -static"
+ CPPFLAGS="$CPPFLAGS -DMINIUPNP_STATICLIB"
;;
*)
AC_MSG_ERROR("Unknown operating system.")
AS_HELP_STRING([--enable-vde], [enable support for Virtual Distributed Ethernet]),
[ AS_IF([test "x$enable_vde" = "xyes"],
[ AC_CHECK_HEADERS(libvdeplug_dyn.h, [], [AC_MSG_ERROR([VDE plug header files not found.]); break])
+ AC_CHECK_LIB(dl, dlopen, [LIBS="$LIBS -ldl"], [AC_MSG_ERROR([VDE plug depends on libdl.]); break])
AC_DEFINE(ENABLE_VDE, 1, [Support for VDE])
vde=true
],
[tunemu=false]
)
-AC_ARG_WITH(windows2000,
- AS_HELP_STRING([--without-windows2000], [compile with support for Windows 2000. This disables support for tunneling over existing IPv6 networks.]),
- [ AS_IF([test "x$with_windows2000" = "xyes"],
- [AC_DEFINE(WITH_WINDOWS2000, 1, [Compile with support for Windows 2000])])
- ]
+AC_ARG_WITH(systemd,
+ AS_HELP_STRING([--with-systemd@<:@=DIR@:>@], [install systemd service files @<:@to DIR if specified@:>@]),
+ [ systemd=true; systemd_path="$with_systemd" ],
+ [ systemd=false ]
)
+AS_IF([test "x$with_systemd" = "xyes"], [systemd_path="\${libdir}/systemd/system"],
+ [AS_IF([test "x$with_systemd" = "xno"], [systemd=false])])
+
+AC_SUBST(systemd_path, $systemd_path)
+
+AM_CONDITIONAL(LINUX, test "$linux" = true)
+AM_CONDITIONAL(BSD, test "$bsd" = true)
+AM_CONDITIONAL(SOLARIS, test "$solaris" = true)
+AM_CONDITIONAL(MINGW, test "$mingw" = true)
+AM_CONDITIONAL(CYGWIN, test "$cygwin" = true)
AM_CONDITIONAL(UML, test "$uml" = true)
AM_CONDITIONAL(VDE, test "$vde" = true)
AM_CONDITIONAL(TUNEMU, test "$tunemu" = true)
+AM_CONDITIONAL(WITH_SYSTEMD, test "$systemd" = true)
+AM_CONDITIONAL(WITH_LEGACY_PROTOCOL, test "x$enable_legacy_protocol" != "xno")
AC_CACHE_SAVE
-if test -d /sw/include ; then
- CPPFLAGS="$CPPFLAGS -I/sw/include"
-fi
-if test -d /sw/lib ; then
- LIBS="$LIBS -L/sw/lib"
-fi
+AS_IF([test -d /sw/include], [CPPFLAGS="$CPPFLAGS -I/sw/include"])
+AS_IF([test -d /sw/lib], [LIBS="$LIBS -L/sw/lib"])
+
+dnl Compiler hardening flags
+dnl No -fstack-protector-all because it doesn't work on all platforms or architectures.
+
+AX_CFLAGS_WARN_ALL(CFLAGS)
+
+AC_ARG_ENABLE([hardening], AS_HELP_STRING([--disable-hardening], [disable compiler and linker hardening flags]))
+AS_IF([test "x$enable_hardening" != "xno"],
+ [AX_CHECK_COMPILE_FLAG([-DFORTIFY_SOURCE=2], [CPPFLAGS="$CPPFLAGS -DFORTIFY_SOURCE=2"])
+ AX_CHECK_COMPILE_FLAG([-fwrapv], [CPPFLAGS="$CPPFLAGS -fwrapv"],
+ AX_CHECK_COMPILE_FLAG([-fno-strict-overflow], [CPPFLAGS="$CPPFLAGS -fno-strict-overflow"]))
+ case $host_os in
+ *mingw*)
+ AX_CHECK_LINK_FLAG([-Wl,--dynamicbase], [LDFLAGS="$LDFLAGS -Wl,--dynamicbase"])
+ AX_CHECK_LINK_FLAG([-Wl,--nxcompat], [LDFLAGS="$LDFLAGS -Wl,--nxcompat"])
+ ;;
+ *)
+ AX_CHECK_COMPILE_FLAG([-fPIE], [CPPFLAGS="$CPPFLAGS -fPIE"])
+ AX_CHECK_LINK_FLAG([-pie], [LDFLAGS="$LDFLAGS -pie"])
+ ;;
+ esac
+ AX_CHECK_LINK_FLAG([-Wl,-z,relro], [LDFLAGS="$LDFLAGS -Wl,-z,relro"])
+ AX_CHECK_LINK_FLAG([-Wl,-z,now], [LDFLAGS="$LDFLAGS -Wl,-z,now"])
+ ]
+);
dnl Checks for header files.
dnl We do this in multiple stages, because unlike Linux all the other operating systems really suck and don't include their own dependencies.
-AC_HEADER_STDC
-AC_CHECK_HEADERS([stdbool.h syslog.h sys/file.h sys/ioctl.h sys/mman.h sys/param.h sys/resource.h sys/socket.h sys/time.h sys/uio.h sys/un.h sys/wait.h netdb.h arpa/inet.h dirent.h])
-AC_CHECK_HEADERS([net/if.h net/if_types.h linux/if_tun.h net/if_tun.h net/tun/if_tun.h net/if_tap.h net/tap/if_tap.h net/ethernet.h net/if_arp.h netinet/in_systm.h netinet/in.h netinet/in6.h time.h netpacket/packet.h],
- [], [], [#include "have.h"]
+AC_CHECK_HEADERS([syslog.h sys/file.h sys/ioctl.h sys/mman.h sys/param.h sys/resource.h sys/socket.h sys/time.h sys/un.h sys/wait.h netdb.h arpa/inet.h dirent.h getopt.h stddef.h])
+AC_CHECK_HEADERS([net/if.h net/if_types.h net/ethernet.h net/if_arp.h netinet/in_systm.h netinet/in.h netinet/in6.h netpacket/packet.h],
+ [], [], [#include "$srcdir/src/have.h"]
)
-AC_CHECK_HEADERS([netinet/if_ether.h netinet/ip.h netinet/ip6.h],
- [], [], [#include "have.h"]
+AC_CHECK_HEADERS([netinet/if_ether.h netinet/ip.h netinet/ip6.h resolv.h],
+ [], [], [#include "$srcdir/src/have.h"]
)
AC_CHECK_HEADERS([netinet/tcp.h netinet/ip_icmp.h netinet/icmp6.h],
- [], [], [#include "have.h"]
+ [], [], [#include "$srcdir/src/have.h"]
)
dnl Checks for typedefs, structures, and compiler characteristics.
-AC_C_CONST
-AC_C_VOLATILE
-AC_TYPE_PID_T
-AC_TYPE_SIZE_T
-AC_HEADER_TIME
-AC_STRUCT_TM
-
tinc_ATTRIBUTE(__malloc__)
+tinc_ATTRIBUTE(__nonnull__)
+tinc_ATTRIBUTE(__warn_unused_result__)
-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], , ,
- [#include "have.h"]
+AC_CHECK_TYPES([struct ether_header, struct arphdr, struct ether_arp, struct ip, struct icmp, struct ip6_hdr, struct icmp6_hdr, struct nd_neighbor_solicit, struct nd_opt_hdr], , ,
+ [#include "$srcdir/src/have.h"]
)
dnl Checks for library functions.
-AC_TYPE_SIGNAL
-AC_CHECK_FUNCS([asprintf daemon fchmod flock ftime fork get_current_dir_name gettimeofday mlockall putenv random select strdup strerror strsignal strtol system time usleep unsetenv vsyslog writev],
- [], [], [#include "have.h"]
+AC_CHECK_FUNCS([asprintf daemon fchmod flock fork gettimeofday mlockall putenv recvmmsg strsignal nanosleep unsetenv vsyslog devname fdevname],
+ [], [], [#include "$srcdir/src/have.h"]
)
-dnl Support for SunOS
+AC_CHECK_FUNC(getopt_long, [getopt=true; AC_DEFINE(HAVE_GETOPT_LONG, 1, [getopt_long()])], [getopt=false])
+AM_CONDITIONAL(GETOPT, test "$getopt" = true)
-AC_CHECK_FUNC(socket, [], [
- AC_CHECK_LIB(socket, connect)
-])
-AC_CHECK_FUNC(gethostbyname, [], [
- AC_CHECK_LIB(nsl, gethostbyname)
+AC_CHECK_DECLS([res_init], [AC_CHECK_LIB(resolv, res_init)], [], [
+ #include <netinet/in.h>
+ #include <resolv.h>
])
-AC_CHECK_DECLS([freeaddrinfo, gai_strerror, getaddrinfo, getnameinfo],
- [], [], [#include "have.h"]
-)
+dnl Operating system specific checks
+case $host_os in
+ *linux*)
+ AC_CHECK_HEADERS([linux/if_tun.h],
+ [], [AC_MSG_ERROR([Required header file missng])], [#include "$srcdir/src/have.h"]
+ )
+ ;;
+ *bsd*|*dragonfly*|*darwin*)
+ AC_CHECK_HEADERS([net/if_tun.h net/if_utun.h net/tun/if_tun.h net/if_tap.h net/tap/if_tap.h],
+ [], [], [#include "$srcdir/src/have.h"]
+ )
+ ;;
+ *solaris*)
+ AC_CHECK_FUNC(socket, [], [AC_CHECK_LIB(socket, connect)])
+ ;;
+ *)
+ ;;
+esac
AC_CACHE_SAVE
+AC_ARG_ENABLE(legacy-protocol,
+ AS_HELP_STRING([--disable-legacy-protocol], [disable support for the legacy (tinc 1.0) protocol]),
+ [ AS_IF([test "x$enable_legacy_protocol" = "xno"],
+ [ AC_DEFINE(DISABLE_LEGACY, 1, [Disable support for the legacy (tinc 1.0) protocol]) ])
+ ]
+)
+
dnl These are defined in files in m4/
dnl AC_ARG_WITH(libgcrypt, AC_HELP_STRING([--with-libgcrypt], [enable use of libgcrypt instead of OpenSSL])], [])
+dnl AC_ARG_WITH(openssl, AC_HELP_STRING([--without-openssl], [disable support for OpenSSL])], [])
tinc_CURSES
tinc_READLINE
tinc_ZLIB
tinc_LZO
+tinc_LZ4
-if test "$with_libgcrypt" = yes; then
- AM_PATH_LIBGCRYPT([1.4.0], [], [])
- ln -sf gcrypt/cipher.c gcrypt/cipher.h gcrypt/crypto.c gcrypt/crypto.h gcrypt/digest.c gcrypt/digest.h gcrypt/ecdh.c gcrypt/ecdh.h gcrypt/ecdsa.c gcrypt/ecdsa.h gcrypt/ecdsagen.c gcrypt/ecdsagen.h gcrypt/prf.c gcrypt/prf.h gcrypt/rsa.c gcrypt/rsa.h gcrypt/rsagen.c gcrypt/rsagen.h src/
-else
- tinc_OPENSSL
- ln -sf openssl/cipher.c openssl/cipher.h openssl/crypto.c openssl/crypto.h openssl/digest.c openssl/digest.h openssl/ecdh.c openssl/ecdh.h openssl/ecdsa.c openssl/ecdsa.h openssl/ecdsagen.c openssl/ecdsagen.h openssl/prf.c openssl/prf.h openssl/rsa.c openssl/rsa.h openssl/rsagen.c openssl/rsagen.h src/
-fi
-
+AS_IF([test "x$enable_legacy_protocol" != "xno"],
+ [AS_IF([test -n "$with_libgcrypt"],
+ [gcrypt=true; tinc_LIBGCRYPT],
+ [openssl=true; tinc_OPENSSL])
+ ]
+)
-dnl Check if support for jumbograms is requested
+AM_CONDITIONAL(OPENSSL, test -n "$openssl")
+AM_CONDITIONAL(GCRYPT, test -n "$gcrypt")
+
+tinc_MINIUPNPC
+AM_CONDITIONAL(MINIUPNPC, test "x$enable_miniupnpc" = "xyes")
+
+dnl Check if support for jumbograms is requested
AC_ARG_ENABLE(jumbograms,
- AS_HELP_STRING([--disable-jumbograms], [enable support for jumbograms (packets up to 9000 bytes)]),
+ AS_HELP_STRING([--enable-jumbograms], [enable support for jumbograms (packets up to 9000 bytes)]),
[ AS_IF([test "x$enable_jumbograms" = "xyes"],
[ AC_DEFINE(ENABLE_JUMBOGRAMS, 1, [Support for jumbograms (packets up to 9000 bytes)]) ])
]
)
-AC_SUBST(INCLUDES)
+dnl Ensure runstatedir is set if we are using a version of autoconf that does not support it
+if test "x$runstatedir" = "x"; then
+ AC_SUBST([runstatedir], ['${localstatedir}/run'])
+fi
-AC_CONFIG_FILES([Makefile src/Makefile doc/Makefile m4/Makefile gui/Makefile])
+AC_CONFIG_FILES([Makefile src/Makefile doc/Makefile test/Makefile test/testlib.sh systemd/Makefile bash_completion.d/Makefile])
AC_OUTPUT