Use addresses learned from other nodes when making outgoing connections.

[tinc] / configure.ac

diff --git a/configure.ac b/configure.ac
index 1cea02f..bb926da 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -1,12 +1,11 @@
 dnl Process this file with autoconf to produce a configure script.
 
 AC_PREREQ(2.61)
 dnl Process this file with autoconf to produce a configure script.
 
 AC_PREREQ(2.61)

-AC_INIT([tinc], [1.1pre7])
+AC_INIT([tinc], [1.1pre9])

 AC_CONFIG_SRCDIR([src/tincd.c])
 AC_GNU_SOURCE
 AC_CONFIG_SRCDIR([src/tincd.c])
 AC_GNU_SOURCE

-AM_INIT_AUTOMAKE([check-news dist-bzip2 std-options subdir-objects])
+AM_INIT_AUTOMAKE([check-news std-options subdir-objects -Wall])

 AC_CONFIG_HEADERS([config.h])
 AC_CONFIG_HEADERS([config.h])

-AM_MAINTAINER_MODE

 
 # Enable GNU extensions.
 # Define this here, not in acconfig's @TOP@ section, since definitions
 
 # Enable GNU extensions.
 # Define this here, not in acconfig's @TOP@ section, since definitions


@@ -21,6 +20,8 @@ AC_PROG_INSTALL
 AC_PROG_LN_S
 AC_PROG_RANLIB
 
 AC_PROG_LN_S
 AC_PROG_RANLIB
 

+AM_PROG_CC_C_O
+

 dnl Check and set OS
 
 AC_CANONICAL_HOST
 dnl Check and set OS
 
 AC_CANONICAL_HOST


@@ -108,7 +109,7 @@ AC_ARG_ENABLE(tunemu,
 )
 
 AC_ARG_WITH(windows2000,
 )
 
 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_HELP_STRING([--with-windows2000], [compile with support for Windows 2000. This disables support for tunneling over existing IPv6 networks.]),

   [ AS_IF([test "x$with_windows2000" = "xyes"],
       [AC_DEFINE(WITH_WINDOWS2000, 1, [Compile with support for Windows 2000])])
   ]
   [ AS_IF([test "x$with_windows2000" = "xyes"],
       [AC_DEFINE(WITH_WINDOWS2000, 1, [Compile with support for Windows 2000])])
   ]


@@ -132,6 +133,29 @@ if test -d /sw/lib ; then
   LIBS="$LIBS -L/sw/lib"
 fi
 
   LIBS="$LIBS -L/sw/lib"
 fi
 

+dnl Compiler hardening flags
+dnl No -fstack-protector-all because it doesn't work on all platforms or architectures.
+
+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 -DFORITFY_SOURCE=2"])
+   AX_CHECK_COMPILE_FLAG([-fno-strict-overflow], [CPPFLAGS="$CPPFLAGS -fno-strict-overflow"])
+   AX_CHECK_COMPILE_FLAG([-fwrapv], [CPPFLAGS="$CPPFLAGS -fwrapv"])
+   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.
 
 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.
 


@@ -192,27 +216,25 @@ tinc_READLINE
 tinc_ZLIB
 tinc_LZO
 
 tinc_ZLIB
 tinc_LZO
 

-if test "$with_libgcrypt" = yes; then
+if test -n "$with_libgcrypt"; then

        gcrypt=true
        gcrypt=true

-       AM_PATH_LIBGCRYPT([1.4.0], [], [])
+       tinc_LIBGCRYPT

 else
        openssl=true
        tinc_OPENSSL
 fi
        
 else
        openssl=true
        tinc_OPENSSL
 fi
        

-AM_CONDITIONAL(OPENSSL, test "$openssl" = true)
-AM_CONDITIONAL(GCRYPT, test "$grypt" = true)
+AM_CONDITIONAL(OPENSSL, test -n "$openssl")
+AM_CONDITIONAL(GCRYPT, test -n "$gcrypt")

 
 

-dnl Check if support for jumbograms is requested 
+dnl Check if support for jumbograms is requested

 AC_ARG_ENABLE(jumbograms,
 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)]) ])
   ]
 )
 
   [ AS_IF([test "x$enable_jumbograms" = "xyes"],
       [ AC_DEFINE(ENABLE_JUMBOGRAMS, 1, [Support for jumbograms (packets up to 9000 bytes)]) ])
   ]
 )
 

-AC_SUBST(INCLUDES)
-
-AC_CONFIG_FILES([Makefile src/Makefile doc/Makefile m4/Makefile gui/Makefile])
+AC_CONFIG_FILES([Makefile src/Makefile doc/Makefile m4/Makefile gui/Makefile test/Makefile])

 
 AC_OUTPUT
 
 AC_OUTPUT