Re: [sup-talk] sup install error

[Rich Lane <rlane@club.cc.cmu.edu>]

Excerpts from John Bent's message of 2010-03-01 16:26:09 -0500:
> I've been using an old PowerPC Mac.  I got a new Intel one running
> Leopard (10.6.2) but got an error trying to install sup.  Everything is
> a fresh install.  The only thing I've done is install the Xcode tools.
> The error (below sig) looks like a problem with ncurses.  Looking around
> at the mkmf.log file (attached), I see more issues with curses: no
> wmove(), no libpdcurses.
> 
> The ruby installed is 1.8.7.  gem is 1.3.1.
> 
> I recreated this by copying the little test program with the wmove() in
> it.  When I tried to build it with -lncursesw, it failed because that
> lib doesn't exist but it did work with -lncurses (without the 'w').  So
> I just made a symlink:
> 
> guava:/usr/lib>ln -s /usr/lib/libncurses.dylib /usr/lib/libncursesw.dylib
> 
> That works.  Now gem install sup works.  But I'm not sure that's the
> best fix.  Anyway, it looks like the problem is in gem install ncursesw
> and not in gem install sup but I thought you might like to know about
> this.
>  
> Thanks,
> 
> John 
> 
> guava:~>gem install sup
> Building native extensions.  This could take a while...
> ERROR:  Error installing sup:
>     ERROR: Failed to build gem native extension.
> 
> /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/bin/ruby
> extconf.rb install sup
> checking for unistd.h... yes
> checking for locale.h... yes
> checking for ncurses.h... yes
> checking for wmove() in -lncursesw... no
> checking for wmove() in -lpdcurses... no
> *** extconf.rb failed ***
> Could not create Makefile due to some reason, probably lack of
> necessary libraries and/or headers.  Check the mkmf.log file for more
> details.  You may need configuration options.
> 
> Provided configuration options:
>     --with-opt-dir
>     --without-opt-dir
>     --with-opt-include
>     --without-opt-include=${opt-dir}/include
>     --with-opt-lib
>     --without-opt-lib=${opt-dir}/lib
>     --with-make-prog
>     --without-make-prog
>     --srcdir=.
>     --curdir
>     --ruby=/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/bin/ruby
>     --with-ncurseswlib
>     --without-ncurseswlib
>     --with-pdcurseslib
>     --without-pdcurseslib
> extconf.rb:46: ncurses library not found (RuntimeError)
> 
> 
> Gem files will remain installed in
> /Library/Ruby/Gems/1.8/gems/ncursesw-1.2.4.1 for inspection.
> Results logged to /Library/Ruby/Gems/1.8/gems/ncursesw-1.2.4.1/gem_make.out

I'm thinking about changing the gem dependency from ncursesw back to
plain ncurses to avoid these install failures. Anyone have thoughts on
this?
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