Update copyright information.

[oweals/tinc.git] / configure.in

diff --git a/configure.in b/configure.in
index 3cb6a4de0efb1b6e8e94ad84d969fcbba0a91293..1ff36b3f8ebf96fa39457c04bb61992edda47689 100644 (file)
--- 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
@@ -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"]
 )