[Nix-dev] Gnuplot wxt terminal broken

[Lluís Batlle i Rossell]

On Wed, Oct 06, 2010 at 02:11:12PM +0200, Peter Simons wrote:
> Hi,
> 
> when I try to use the wxt terminal in Gnuplot, I get the following error
> message:
> 
>   $ gnuplot
> 
>           G N U P L O T
>           Version 4.4 patchlevel 0
>           last modified March 2010
>           System: Linux 2.6.18-128.el5
> 
>           Copyright (C) 1986-1993, 1998, 2004, 2007-2010
>           Thomas Williams, Colin Kelley and many others
> 
>           gnuplot home:     http://www.gnuplot.info
>           faq, bugs, etc:   type "help seeking-assistance"
>           immediate help:   type "help"
>           plot window:      hit 'h'
> 
>   Terminal type set to 'wxt'
>   gnuplot> plot sin(x)
>   gnuplot: symbol lookup error: /nix/store/ggaq9r0ldbi7qik2yrlsm5p8yydgwj9r-pango-1.28.1/lib/libpangocairo-1.0.so.0: undefined symbol: pango_fc_font_create_base_metrics_for_context
> 
> Now, the symbol "pango_fc_font_create_base_metrics_for_context" *does* exist,
> but it isn't in "libpangocairo", rather it's found in "libpangofc2". 
> Can others reproduce this problem? Does the wxt terminal work for anyone?

On a similar problem... linking wxGTK programs we notice:
/nix/store/7f998vds71z1b3jwcmdzv9772zkbs817-gstreamer-0.10.26/lib/libgstreamer-0.10.so.0:
undefined reference to `g_mapped_file_unref'

That may be related.