[tin-dev] updates for tin configure-script

[Thomas Dickey]

I've been working on a page for the autoconf macros. As part of
doing that, I added a parameter to the AC_DEFINE stuff to appease
the autoheader program.  That (and miscellaneous stuff for compiler
warnings) is the first patch.  Since you're using the script after
applying xpg3-fixup.pl, I accounted for that in the patch, and to
check _that_, I did a test-build with my Solaris10 VM.  That doesn't
have pcre installed, so I extended the script to fallback to the
bundled pcre.  That's the second patch (apply after the first).

-- 
Thomas E. Dickey <dickey at invisible-island.net>
https://invisible-island.net
ftp://ftp.invisible-island.net
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