X-Git-Url: https://tinc-vpn.org/git/browse?a=blobdiff_plain;f=configure.ac;h=944e63a0a347b198943cc7314fa81c07d542a36a;hb=ee2d78fa6fbef174ebe91c14de857e2ed46e8127;hp=ca1264082f74c80a18228b351108a6f075553317;hpb=75271559a9dc2536b9da1c655a012eb837c58761;p=tinc

diff --git a/configure.ac b/configure.ac
index ca126408..944e63a0 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2,7 +2,7 @@ dnl Process this file with autoconf to produce a configure script.
 
 origcflags="$CFLAGS"
 
-AC_PREREQ(2.61)
+AC_PREREQ(2.69)
 AC_INIT([tinc], m4_esyscmd_s((git describe || echo UNKNOWN) | sed 's/release-//'))
 AC_CONFIG_SRCDIR([src/tincd.c])
 AM_INIT_AUTOMAKE([std-options subdir-objects nostdinc silent-rules -Wall])
@@ -10,14 +10,11 @@ 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
 AM_PROG_CC_C_O
@@ -65,8 +62,7 @@ case $host_os in
     AC_DEFINE(HAVE_BSD, 1, [Unknown BSD variant])
   ;;
   *cygwin*)
-    cygwin=true
-    AC_DEFINE(HAVE_CYGWIN, 1, [Cygwin])
+    AC_MSG_ERROR("Cygwin is no longer supported. Use MinGW to build native Windows binaries.")
   ;;
   *mingw*)
     mingw=true
@@ -95,6 +91,7 @@ AC_ARG_ENABLE(vde,
   AS_HELP_STRING([--enable-vde], [enable support for Virtual Distributed Ethernet]),
   [ AS_IF([test "x$enable_vde" = "xyes"],
       [ AC_CHECK_HEADERS(libvdeplug_dyn.h, [], [AC_MSG_ERROR([VDE plug header files not found.]); break])
+        AC_CHECK_LIB(dl, dlopen, [LIBS="$LIBS -ldl"], [AC_MSG_ERROR([VDE plug depends on libdl.]); break])
         AC_DEFINE(ENABLE_VDE, 1, [Support for VDE])
         vde=true
       ],
@@ -134,6 +131,7 @@ AM_CONDITIONAL(UML, test "$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
 
@@ -168,7 +166,7 @@ AS_IF([test "x$enable_hardening" != "xno"],
 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_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])
+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"]
 )
@@ -181,6 +179,7 @@ AC_CHECK_HEADERS([netinet/tcp.h netinet/ip_icmp.h netinet/icmp6.h],
 
 dnl Checks for typedefs, structures, and compiler characteristics.
 tinc_ATTRIBUTE(__malloc__)
+tinc_ATTRIBUTE(__nonnull__)
 tinc_ATTRIBUTE(__warn_unused_result__)
 
 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], , ,
@@ -188,7 +187,6 @@ AC_CHECK_TYPES([struct ether_header, struct arphdr, struct ether_arp, struct ip,
 )
 
 dnl Checks for library functions.
-AC_TYPE_SIGNAL
 AC_CHECK_FUNCS([asprintf daemon fchmod flock fork gettimeofday mlockall putenv recvmmsg strsignal nanosleep unsetenv vsyslog devname fdevname],
   [], [], [#include "$srcdir/src/have.h"]
 )
@@ -238,6 +236,7 @@ tinc_CURSES
 tinc_READLINE
 tinc_ZLIB
 tinc_LZO
+tinc_LZ4
 
 AS_IF([test "x$enable_legacy_protocol" != "xno"],
       [AS_IF([test -n "$with_libgcrypt"],
@@ -260,11 +259,11 @@ AC_ARG_ENABLE(jumbograms,
   ]
 )
 
-dnl Ensure runstatedir is set if we are using a version of autoconf that does not suppport it
+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 systemd/Makefile])
+AC_CONFIG_FILES([Makefile src/Makefile doc/Makefile test/Makefile test/testlib.sh systemd/Makefile bash_completion.d/Makefile])
 
 AC_OUTPUT