configure: Removed --disable-ipv6 parameter. There's really no point having it.

Originally it was added back when some OSes had broken IPv6 support, but
those OSes should be long gone by now. Also we still support automatically
building without IPv6 support if it's not detected.

--HG--
branch : HEAD

diff --git a/configure.in b/configure.in
index 1ec7c104ec65481bc3890519e55c078d058935c1..43598a12bcd85fba5fc86f702245bebb157d27fd 100644 (file)
--- a/configure.in
+++ b/configure.in
@@ -25,15 +25,6 @@ CPPFLAGS=-I$2/include LDFLAGS=-L$2/lib ./configure --with-$1])
   fi
 ])
 
-AC_ARG_ENABLE(ipv6,
-[  --enable-ipv6           Enable IPv6 support (auto)],
-       if test x$enableval = xno || test x$enableval = xauto; then
-               want_ipv6=$enableval
-       else
-               want_ipv6=yes
-       fi,
-       want_ipv6=auto)
-
 AC_ARG_ENABLE(devel-checks,
 [  --enable-devel-checks   Enable some extra expensive checks for developers],
        if test x$enableval = xyes; then
@@ -2179,26 +2170,22 @@ dnl ** IPv6 support
 dnl **
 
 have_ipv6=no
-if test "$want_ipv6" != no; then
-       AC_MSG_CHECKING([for IPv6])
-       AC_CACHE_VAL(i_cv_type_in6_addr,
-       [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
-       #include <sys/types.h>
-       #include <sys/socket.h>
-       #include <netinet/in.h>
-       #include <netdb.h>
-       #include <arpa/inet.h>]],
-       [[struct in6_addr i;]])],
-       [i_cv_type_in6_addr=yes],
-       [i_cv_type_in6_addr=no])])
-       if test $i_cv_type_in6_addr = yes; then
-               AC_DEFINE(HAVE_IPV6,, Build with IPv6 support)
-               have_ipv6=yes
-       elif test $want_ipv6 = yes; then
-               AC_ERROR([IPv6 support not found])
-       fi
-       AC_MSG_RESULT($i_cv_type_in6_addr)
+AC_MSG_CHECKING([for IPv6])
+AC_CACHE_VAL(i_cv_type_in6_addr,
+[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <netdb.h>
+#include <arpa/inet.h>]],
+[[struct in6_addr i;]])],
+[i_cv_type_in6_addr=yes],
+[i_cv_type_in6_addr=no])])
+if test $i_cv_type_in6_addr = yes; then
+       AC_DEFINE(HAVE_IPV6,, Build with IPv6 support)
+       have_ipv6=yes
 fi
+AC_MSG_RESULT($i_cv_type_in6_addr)
 
 dnl **
 dnl ** storage classes
@@ -2451,7 +2438,6 @@ echo "File offsets ........................ : ${offt_bits}bit"
 echo "I/O loop method ..................... : $ioloop"
 echo "File change notification method ..... : $have_notify"
 echo "Building with SSL support ........... : $have_ssl"
-echo "Building with IPv6 support .......... : $have_ipv6"
 echo "Building with GSSAPI support ........ : $have_gssapi"
 echo "Building with user database modules . :$userdb"
 echo "Building with password lookup modules :$passdb"