On Tue, Feb 03, 2004 at 12:52:18AM +0200, Alan Barrett wrote:
> On Mon, 02 Feb 2004, Alan Barrett wrote:
> > If you want just the first word from ${CC}, then why not use ${CC:[1]}?
> 
> [Answer: because that doesn't work in all versions of make that we care
> about.]
> 
> OK, here's something that should work in a version of make that has :C///1
> and :M, even if it does not have :[] or :C///W.
> 
> 	${CC:C/^xyzzy//:C/^/xyzzy/1:Mxyzzy*:C/^xyzzy//}
> 
> Unlike ${CC:C/^-.*//}, the above should work with things like
> 
> 	CC= /some/path/cc -foo bar
> 
> It should even work if some word other than the first word of $CC begins
> with xyzzy, but it will not work if the first word begins with xyzzy,
> or if any other word begins with xyzzyxyzzy.

Yes, I've been using this trick in buildlink[23] to get the name of
the command to search for in the PATH.

	Cheers,

	-- Johnny Lam <jlam@NetBSD.org>