X-Git-Url: https://tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=configure.in;h=1ff36b3f8ebf96fa39457c04bb61992edda47689;hp=1ce3fb054ab1fba87a640e25cdb09e6f23fcd73c;hb=fa9bedd47cf8c143e801889c78f0a0979ac4d2fc;hpb=5219ee25a248fe26055e54215c5027cbf8483439

diff --git a/configure.in b/configure.in
index 1ce3fb05..1ff36b3f 100644
--- a/configure.in
+++ b/configure.in
@@ -21,7 +21,7 @@ AC_DEFINE([__USE_BSD], 1, [Enable BSD extensions])
 ALL_LINGUAS="nl"
 
 dnl Checks for programs.
-AC_PROG_CC
+AC_PROG_CC_C99
 AC_PROG_CPP
 AC_PROG_INSTALL
 AC_PROG_LN_S
@@ -75,6 +75,20 @@ case $host_os in
   ;;
 esac
 
+AC_ARG_ENABLE(tunemu,
+  AS_HELP_STRING([--enable-tunemu], [enable support for the tunemu driver]),
+  [ AC_DEFINE(ENABLE_TUNEMU, 1, [Support for tunemu])
+    tunemu=true
+  ]
+)
+
+AC_ARG_WITH(windows2000,
+  AS_HELP_STRING([--with-windows2000], [compile with support for Windows 2000. This disables support for tunneling over existing IPv6 networks.]),
+  [AC_DEFINE(WITH_WINDOWS2000, 1, [Compile with support for Windows 2000])]
+)
+
+AM_CONDITIONAL(TUNEMU, test "$tunemu" = true)
+
 AC_CACHE_SAVE
 
 if test -d /sw/include ; then
@@ -91,7 +105,7 @@ dnl We do this in multiple stages, because unlike Linux all the other operating
 
 AC_HEADER_STDC
 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])
-AC_CHECK_HEADERS([net/if.h net/if_types.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],
+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],
   [], [], [#include "have.h"]
 )
 AC_CHECK_HEADERS([netinet/if_ether.h netinet/ip.h netinet/ip6.h],
@@ -134,7 +148,7 @@ AC_CHECK_FUNC(gethostbyname, [], [
   AC_CHECK_LIB(nsl, gethostbyname)
 ])
 
-AC_CHECK_FUNCS([freeaddrinfo gai_strerror getaddrinfo getnameinfo inet_aton],
+AC_CHECK_DECLS([freeaddrinfo, gai_strerror, getaddrinfo, getnameinfo],
   [], [], [#include "have.h"]
 )
 
@@ -142,12 +156,6 @@ AC_CACHE_SAVE
 
 dnl These are defined in files in m4/
 
-case $host_os in
-  *linux*)
-    tinc_TUNTAP
-  ;;
-esac
-
 tinc_OPENSSL
 tinc_ZLIB
 tinc_LZO