dnl Process this file with autoconf to produce a configure script.
-AC_PREREQ(2.61)
+origcflags="$CFLAGS"
+
+AC_PREREQ(2.69)
AC_INIT([tinc], m4_esyscmd_s((git describe || echo UNKNOWN) | sed 's/release-//'))
AC_CONFIG_SRCDIR([src/tincd.c])
-AC_GNU_SOURCE
-AM_INIT_AUTOMAKE([std-options subdir-objects nostdinc -Wall])
+AM_INIT_AUTOMAKE([std-options subdir-objects nostdinc silent-rules -Wall])
AC_CONFIG_HEADERS([config.h])
AC_CONFIG_MACRO_DIR([m4])
+AM_SILENT_RULES([yes])
-# Enable GNU extensions.
-# Define this here, not in acconfig's @TOP@ section, since definitions
-# in the latter don't make it into the configure-time tests.
-AC_GNU_SOURCE
-AC_DEFINE([__USE_BSD], 1, [Enable BSD extensions])
+AC_USE_SYSTEM_EXTENSIONS
dnl Checks for programs.
-AC_PROG_CC_C99
+AC_PROG_CC
+AC_PROG_CC_STDC
AC_PROG_CPP
AC_PROG_INSTALL
-AC_PROG_LN_S
-
AM_PROG_CC_C_O
+dnl Check whether to enable code coverage testing, and if so, clear the default CFLAGS.
+AX_CODE_COVERAGE
+AS_IF([test "x$enable_code_coverage" = "xyes" -a "x$origcflags" = "x"], [CFLAGS=""])
+
dnl Check and set OS
AC_CANONICAL_HOST
AC_DEFINE(HAVE_BSD, 1, [Unknown BSD variant])
;;
*cygwin*)
- cygwin=true
- AC_DEFINE(HAVE_CYGWIN, 1, [Cygwin])
+ AC_MSG_ERROR("Cygwin is no longer supported. Use MinGW to build native Windows binaries.")
;;
*mingw*)
mingw=true
AC_ARG_ENABLE(vde,
AS_HELP_STRING([--enable-vde], [enable support for Virtual Distributed Ethernet]),
[ AS_IF([test "x$enable_vde" = "xyes"],
- [ AC_CHECK_HEADERS(libvdeplug_dyn.h, [], [AC_MSG_ERROR([VDE plug header files not found.]); break])
+ [ AC_CHECK_HEADERS(libvdeplug.h,
+ [AC_CHECK_LIB(vdeplug, vde_close,
+ [LIBS="$LIBS -lvdeplug"],
+ [AC_MSG_ERROR("VDE plug library files not found.")]
+ )],
+ [AC_MSG_ERROR([VDE plug header files not found.]); break])
AC_DEFINE(ENABLE_VDE, 1, [Support for VDE])
vde=true
],
[tunemu=false]
)
-AC_ARG_WITH(windows2000,
- AS_HELP_STRING([--with-windows2000], [compile with support for Windows 2000. This disables support for tunneling over existing IPv6 networks.]),
- [ AS_IF([test "x$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="/lib/systemd/system"],
+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, $systemd_path)
AM_CONDITIONAL(VDE, test "$vde" = true)
AM_CONDITIONAL(TUNEMU, test "$tunemu" = true)
AM_CONDITIONAL(WITH_SYSTEMD, test "$systemd" = true)
+AM_CONDITIONAL(WITH_LEGACY_PROTOCOL, test "x$enable_legacy_protocol" != "xno")
AC_CACHE_SAVE
dnl Compiler hardening flags
dnl No -fstack-protector-all because it doesn't work on all platforms or architectures.
+AX_CFLAGS_WARN_ALL(CFLAGS)
+
AC_ARG_ENABLE([hardening], AS_HELP_STRING([--disable-hardening], [disable compiler and linker hardening flags]))
AS_IF([test "x$enable_hardening" != "xno"],
[AX_CHECK_COMPILE_FLAG([-DFORTIFY_SOURCE=2], [CPPFLAGS="$CPPFLAGS -DFORTIFY_SOURCE=2"])
dnl Checks for header files.
dnl We do this in multiple stages, because unlike Linux all the other operating systems really suck and don't include their own dependencies.
-AC_HEADER_STDC
-AC_CHECK_HEADERS([stdbool.h syslog.h sys/file.h sys/ioctl.h sys/mman.h sys/param.h sys/resource.h sys/socket.h sys/time.h sys/uio.h sys/un.h sys/wait.h netdb.h arpa/inet.h dirent.h])
-AC_CHECK_HEADERS([net/if.h net/if_types.h linux/if_tun.h net/if_tun.h net/tun/if_tun.h net/if_tap.h net/tap/if_tap.h net/ethernet.h net/if_arp.h netinet/in_systm.h netinet/in.h netinet/in6.h time.h netpacket/packet.h],
+AC_CHECK_HEADERS([syslog.h sys/file.h sys/ioctl.h sys/mman.h sys/param.h sys/resource.h sys/socket.h sys/time.h sys/un.h sys/wait.h netdb.h arpa/inet.h dirent.h getopt.h stddef.h sys/epoll.h])
+AC_CHECK_HEADERS([net/if.h net/if_types.h net/ethernet.h net/if_arp.h netinet/in_systm.h netinet/in.h netinet/in6.h netpacket/packet.h],
[], [], [#include "$srcdir/src/have.h"]
)
AC_CHECK_HEADERS([netinet/if_ether.h netinet/ip.h netinet/ip6.h resolv.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], , ,
+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 "$srcdir/src/have.h"]
)
dnl Checks for library functions.
-AC_TYPE_SIGNAL
-AC_CHECK_FUNCS([asprintf daemon fchmod flock ftime fork get_current_dir_name gettimeofday mlockall putenv random recvmmsg select strdup strerror strsignal strtol system time usleep unsetenv vsyslog writev],
+AC_CHECK_FUNCS([asprintf daemon fchmod flock fork gettimeofday mlockall putenv recvmmsg strsignal nanosleep unsetenv vsyslog devname fdevname],
[], [], [#include "$srcdir/src/have.h"]
)
-dnl Support for SunOS
-
-AC_CHECK_FUNC(socket, [], [
- AC_CHECK_LIB(socket, connect)
-])
-AC_CHECK_FUNC(gethostbyname, [], [
- AC_CHECK_LIB(nsl, gethostbyname)
-])
-
-AC_CHECK_DECLS([freeaddrinfo, gai_strerror, getaddrinfo, getnameinfo],
- [], [], [#include "$srcdir/src/have.h"]
-)
+AC_CHECK_FUNC(getopt_long, [getopt=true; AC_DEFINE(HAVE_GETOPT_LONG, 1, [getopt_long()])], [getopt=false])
+AM_CONDITIONAL(GETOPT, test "$getopt" = true)
AC_CHECK_DECLS([res_init], [AC_CHECK_LIB(resolv, res_init)], [], [
#include <netinet/in.h>
#include <resolv.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 "$srcdir/src/have.h"]
+ )
+ ;;
+ *solaris*)
+ AC_CHECK_FUNC(socket, [], [AC_CHECK_LIB(socket, connect)])
+ ;;
+ *)
+ ;;
+esac
+
AC_CACHE_SAVE
AC_ARG_ENABLE(legacy-protocol,
tinc_READLINE
tinc_ZLIB
tinc_LZO
+tinc_LZ4
AS_IF([test "x$enable_legacy_protocol" != "xno"],
[AS_IF([test -n "$with_libgcrypt"],
]
)
-AC_CONFIG_FILES([Makefile src/Makefile doc/Makefile gui/Makefile test/Makefile systemd/Makefile])
+dnl Ensure runstatedir is set if we are using a version of autoconf that does not support it
+if test "x$runstatedir" = "x"; then
+ AC_SUBST([runstatedir], ['${localstatedir}/run'])
+fi
+
+AC_CONFIG_FILES([Makefile src/Makefile doc/Makefile test/Makefile test/testlib.sh systemd/Makefile bash_completion.d/Makefile])
AC_OUTPUT