VMS does have sockaddr_in6 and ipv6_mreq.

Or at least has had for 10 years or more.  If someone shows up
wanting to build on an older system, we can add real probes.

Plus we can't write to config.sh before it's been opened, as
18126d98dd7 had us doing.

diff --git a/configure.com b/configure.com
index bc02b57..591e3b4 100644 (file)
--- a/configure.com
+++ b/configure.com
@@ -4848,10 +4848,6 @@ $ ELSE
 $   d_sockaddr_sa_len="undef"
 $   echo "You do not have sa_len in the sockaddr struct."
 $ ENDIF
-$! TODO: Real checks
-$ WC "d_ipv6_mreq='undef'"
-$ WC "d_sockaddr_in6='undef'"
-$!
 $!
 $! Check for sin6_scope_id
 $!
@@ -6097,6 +6093,7 @@ $ WC "d_inetaton='undef'"
 $ WC "d_inetntop='undef'"
 $ WC "d_inetpton='undef'"
 $ WC "d_int64_t='" + d_int64_t + "'"
+$ WC "d_ipv6_mreq='define'"
 $ WC "d_isascii='define'"
 $ WC "d_isblank='undef'"
 $ WC "d_isfinite='undef'"
@@ -6241,6 +6238,7 @@ $ WC "d_sigprocmask='" + d_sigprocmask + "'"
 $ WC "d_sigsetjmp='" + d_sigsetjmp + "'"
 $ WC "d_sin6_scope_id='" + d_sin6_scope_id + "'"
 $ WC "d_sitearch='define'"
+$ WC "d_sockaddr_in6='define'"
 $ WC "d_sockaddr_sa_len='" + d_sockaddr_sa_len + "'"
 $ WC "d_sockatmark='undef'"
 $ WC "d_sockatmarkproto='undef'"