HAVE_SENDMSG isn't sufficient for gnome-libs/zvt Solaris compatibility

["Brandon S. Allbery" <allbery ece cmu edu>]

A compatibility version of sendmsg exists, but (a) the standard include files 
don't have the definitions it needs and (b) use of libucb.{a,so} is a really 
BAD idea and should be avoided whenever possible.

My local and temporary workaround in gnome-libs/zvt/subshell.c and 
gnome-libs/zvt/gnome-pty-helper.c is:

	#ifdef __svr4__
	#undef HAVE_SENDMSG
	#endif

Presumably this should be handled in configure.in instead of the source files, 
but I'm still getting the hang of configure/autoconf... and preferably *not* 
by trying to forcefit the libucb implementation of sendmsg.

-- 
brandon s. allbery	[os/2][linux][solaris][japh]	 allbery@kf8nh.apk.net
system administrator	     [WAY too many hats]	   allbery@ece.cmu.edu
electrical and computer engineering					 KF8NH
carnegie mellon university	      ["God, root, what is difference?" -Pitr]