diff options
Diffstat (limited to 'm4/ipv6.m4')
| -rw-r--r-- | m4/ipv6.m4 | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/m4/ipv6.m4 b/m4/ipv6.m4 new file mode 100644 index 0000000..02c400e --- /dev/null +++ b/m4/ipv6.m4 @@ -0,0 +1,25 @@ +dnl ** +dnl ** IPv6 support +dnl ** + +AC_DEFUN([DOVECOT_IPV6], [ + have_ipv6=no + 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; (void)i;]])], + [i_cv_type_in6_addr=yes], + [i_cv_type_in6_addr=no])]) + if test $i_cv_type_in6_addr = yes; then + AC_DEFINE(HAVE_IPV6,, [Build with IPv6 support]) + have_ipv6=yes + else + AC_ERROR([Can't build without IPv6 support.]) + fi + AC_MSG_RESULT($i_cv_type_in6_addr) +]) |