Re: Building with Qt depends on pkg-config, Qt 5 term doesn't work on OS X

[Ethan A M. <sf...@us...>]

On Monday, 24 February, 2014 20:28:05 Mojca Miklavec wrote:
> On Mon, Feb 24, 2014 at 7:25 PM, Ethan A Merritt wrote:
> 
> The problem is that -I/opt/local/include seems to be the first
> argument to compiler "no matter what". I inspected the Makefiles a bit
> and it seems that this is set by CPPFLAGS. I'm not exactly sure what
> sets it, but the workaround seems to be to set
>     export INCLUDES="$QT_CFLAGS"
> which puts the paths to Qt5 in front of everything else. Without that,
> Qt4 is always found first.
> 
> Despite this, I still believe that configuration should work properly
> when pkg-config is absent.
> 
> Weird enough, after I have compiled gnuplot in a slightly different
> way (without excluding MacPorts libraries, but maybe only the timing
> has changed), I get
> 
> gnuplot> plot sin(x)
> QIODevice::write: device not open
> QIODevice::write: device not open

I get those messages also.  They seem to be harmless.

> Error: short read from gnuplot_qt socket
> gnuplot> qt_processTermEvent received a GE_fontprops event. This
> should not have happened

But that, as it self-declares, should not happen.
Let me think about what it might mean. 

> gnuplot> plot sin(x)
> 
> but the mouse events work. The first plot is still very weird with
> wrong font initializations.

That is consistent with the error message you showed.
The font metrics information for the first plot was apparently 
delivered to the wrong recipient and/or at the wrong time.

	Ethan