Re: Gnuplot version 5.0 is now available

[Enrico F. <fo...@ly...>]

On Tue, Jan 06, 2015 at 12:11:56PM -0800, Ethan A Merritt wrote:

> On Tuesday, 06 January, 2015 19:25:17 Achim Gratz wrote:
> > Ethan A Merritt writes:
> > > Gnuplot version 5.0 is now available.
> > 
> > Thanks.  I've compiled on Cygwin (with cygport/autotools and both on
> > 64bit and 32bit) and see the following issues:
> 
> Thanks for testing.
> 
> > 1. The Qt terminal still doesn't work.  No plot window ever shows up and
> > each invocation of plot will produce another qt_terminal process.
> > gnuplot itself seems to hang, but recovers after about 20s with a
> > message about "font initialisation" taking too long.
> 
> I'm afraid I have no insight into what might be causing that problem.
> IIRC the initial testers on OSX reported a similar problem but in
> that case it really was font initialisation and the problem went 
> away after the first run.

On Cygwin, this is due to the fact that non-blocking named pipes do not
work. See: http://thread.gmane.org/gmane.os.cygwin/113787/focus=114321

However, patching both Qt and gnuplot sources, I am able to get a
working Qt terminal on Cygwin. I am attaching the patches I use.

> > 3. The demo plugin doesn't link, I haven't yet investigated why
> > (probably some of the hardcoded linker flags don't make much sense on
> > Cygwin).  I didn't find a way to tell configure that it should not
> > compile the demo plugin other than removing the plugin support
> > completely.
> 
> ./configure --disable-plugins
> is supposed to work.  Does it not?

I found that replacing "so" with "dll" in demo/plugin/Makefile.am does
produce a plugin, even if it is named demo_plugin.dll.exe, i.e., with
an extra .exe suffix...

HTH

-- 
Enrico