Re: ZSH (CVS) configure problem?

[Peter Stephenson <pws@xxxxxxx>]

On Thu, 11 Oct 2007 16:23:08 -0400
Clint Adams <schizo@xxxxxxxxxx> wrote:
> > Shall we try this?  I'd be interested to see how it works out.
> > If we end up not compiling in multibyte support, should be replacing
> > ncursesw with ncurses, or is that unnecessary?
> 
> Given my current understanding, if both ncurses{,w} -dev packages
> installed, this will link against the wide library but use the non-wide
> macros.  I assume this is harmless and equivalent to just linking
> against the non-wide library.

Maybe I'll commit the following.

Index: INSTALL
===================================================================
RCS file: /cvsroot/zsh/zsh/INSTALL,v
retrieving revision 1.31
diff -u -r1.31 INSTALL
--- INSTALL	2 Oct 2007 10:22:26 -0000	1.31
+++ INSTALL	12 Oct 2007 09:08:42 -0000
@@ -312,12 +312,21 @@
 termcap, which is now largely outmoded, and curses, which supersedes
 termcap and typically contains the same features as well as others.
 configure will search for an appropriate library; the default search order
-is "tinfo termcap ncurses curses" except on HP-UX and Solaris where it is
-"Hcurses ncurses curses termcap".  Note that even though termcap is usually
-searched first zsh tries to make features from curses available and if the
-curses library contains both curses and termcap features, as is normal,
-the curses variant is used.  ncurses is a newer version of curses
-and tinfo is related to it.
+is "ncursesw tinfo termcap ncurses curses" except on HP-UX and Solaris
+where it is "Hcurses ncursesw ncurses curses termcap".  Note that even
+though termcap is searched before traditional forms of curses zsh tries to
+make features from curses available and if the curses library contains both
+curses and termcap features, as is normal, the curses variant is used.
+ncurses is a newer version of curses and tinfo is related to it.
+
+The library ncursesw is a variant of ncurses that supports wide characters.
+zsh attempts to use this to provide functions needed by the zsh/curses
+module; the main shell does not require the additional functions.  As the
+integration of wide character support into ncurses is continuing, it is
+possible that on some systems attempting to use ncursesw may cause problems
+during building.  If so, please report this to the developers at
+zsh-workers@xxxxxxxxxx and attempt to recompile with --with-term-lib="tinfo
+termcap ncurses curses" (see below).
 
 On some systems a suitable development package with a name such as
 curses-devel or ncurses-devel needs to be installed before zsh can
@@ -328,7 +337,7 @@
 You can tell configure which libraries to search by passing an
 argument via --with-term-lib.  This takes a space-separated list
 of libraries to try as its argument, so the default is equivalent to
---with-term-lib="tinfo termcap ncurses curses".  It replaces the
+--with-term-lib="ncursesw tinfo termcap ncurses curses".  It replaces the
 old option --with-curses-terminfo, which altered the search order but
 didn't allow an explicit search list to be passed.
 
Index: configure.ac
===================================================================
RCS file: /cvsroot/zsh/zsh/configure.ac,v
retrieving revision 1.70
diff -u -r1.70 configure.ac
--- configure.ac	8 Oct 2007 02:04:01 -0000	1.70
+++ configure.ac	12 Oct 2007 09:08:44 -0000
@@ -648,12 +648,12 @@
   termcap_curses_order="$withval"
   AC_SEARCH_LIBS(tigetstr, [$termcap_curses_order])
 else
-  termcap_curses_order="tinfo termcap ncurses curses"
+  termcap_curses_order="ncursesw tinfo termcap ncurses curses"
 fi],
 [case "$host_os" in
   hpux10.*|hpux11.*|solaris*)
-      termcap_curses_order="Hcurses ncurses curses termcap" ;;
-  *)             termcap_curses_order="tinfo termcap ncurses curses" ;;
+      termcap_curses_order="Hcurses ncursesw ncurses curses termcap" ;;
+  *)             termcap_curses_order="ncursesw tinfo termcap ncurses curses" ;;
 esac])dnl
 
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-- 
Peter Stephenson <pws@xxxxxxx>                  Software Engineer
CSR PLC, Churchill House, Cambridge Business Park, Cowley Road
Cambridge, CB4 0WZ, UK                          Tel: +44 (0)1223 692070