[MPlayer-dev-eng] [PATCH] Autoconfiguration for XML DOCS building system

[Diego Biurrun]

On Sat, Jun 14, 2003 at 05:16:10PM -0500, Zoltan Hidvegi wrote:
> > Dmitry Baryshkov writes:
> > You use things like
> > 
> >   if test "x$_catalog" != "x"
> >   if test "x$_chunk_xsl" = "x"
> > 
> > which is OK, but 
> > 
> >   if test -n "$_catalog"
> >   if test -z "$_chunk_xsl"
> > 
> > or if you prefer
> > 
> >   if [ -n "$_catalog" ]
> >   if [ -z "$_chunk_xsl" ]
> > 
> > are simpler IMHO.  The creation of html.xsl etc are also simplified
> 
> Some old shells do not handle test -n "$foo" well if foo is some
> binary operator, e.g. if foo is =, it will expand to test -n =, and
> some shells think that you want to compate -n to =.  This cannot
> happen in a POSIX shell, where the semantics of test is well-defined,
> but some unixes still have the old bourne shell which is buggy.
> Writing "x$foo" always works on all shells.

OK, now I see what this was good for, but the main configure is full of test
-n and test -z anyway, so I guess we do not need to support such broken
shells.

Hmm, another thought..  Should we put this into the main configure instead?

Diego