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Message-ID: <3A37290F.B854DE10@ece.gatech.edu>
Date: Wed, 13 Dec 2000 02:45:19 -0500
From: Charles Wilson <cwilson AT ece DOT gatech DOT edu>
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To: John Wiersba <John DOT Wiersba AT medstat DOT com>
CC: "'cygwin'" <cygwin AT sourceware DOT cygnus DOT com>
Subject: Re: curses problem trying to build ruby
References: <03F4742D8225D21191EF00805FE62B9904B3F67C AT aa-msg-01 DOT medstat DOT com>
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John Wiersba wrote:
> 
> Hi!  I'm trying to build ruby out of the box and I get this series of errors
> (see below) related to curses.  The configure step *does* recognize that I'm
> running cygwin.  I'm up-to-date on my cygwin setup, running on WinNT4.
> Anyone recognize these symptoms?

Yeah -- looks like a bug in the makefile.  Since ruby is trying to build
an extension dll that provides the ncurses-ruby interface, that dll must
be fully resolved (no unresolved external references).  This file,
ruby/ext/curses/curses.c, clearly depends on ncurses -- but the dllwrap
command doesn't include a link reference to libncurses.  Try adding
'-lncurses' to the dllwrap command line.

> dllwrap --target=cygwin --as=as --dlltool-name=dlltool --driver-name=gcc
> --expor
> t-all -s --def=curses.def -L/jrw/ftp/ruby/junk/ruby-1.6.1  -o curses.so
> curses.o
>  -L. -lcygwin-ruby16 -lncurses
> curses.o: In function `free_window':
> /jrw/ftp/ruby/junk/ruby-1.6.1/ext/curses/curses.c:65: undefined reference to
> `stdscr'

[snip]

--Chuck

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