diff options
Diffstat (limited to 'configure.ac')
| -rwxr-xr-x | configure.ac | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index beb3422c..7c390442 100755 --- a/configure.ac +++ b/configure.ac @@ -802,6 +802,18 @@ dnl ---------- fi if test "$zebra_cv_linux_ipv6" = "yes";then + AC_MSG_CHECKING(whether libc has IPv6 support) + AC_TRY_LINK([#include <netinet/in.h> + ],[ int a; a = (int) in6addr_any.s6_addr[0]; if (a != 12345) return a; ], + [AC_MSG_RESULT(yes) + zebra_cv_ipv6=yes + zebra_cv_linux_ipv6=yes], + [AC_MSG_RESULT(no) + zebra_cv_ipv6=no + zebra_cv_linux_ipv6=no]) + fi + + if test "$zebra_cv_linux_ipv6" = "yes";then AC_MSG_CHECKING(for GNU libc >= 2.1) AC_DEFINE(HAVE_IPV6,1,Linux IPv6) AC_EGREP_CPP(yes, [ |