Re: Gnuplot version 5.0 is now available

[Achim G. <Str...@ne...>]

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:

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.

2. Configuring with Qt5 need changes to configure.in to work.  The
configure script tries to determine the path to uic et.al. via a
pkg-config query for exec_bin.  The correct variable to query is
actually host_bins.

--8<---------------cut here---------------start------------->8---
 QT5LOC=`$PKG_CONFIG --variable=exec_prefix Qt5Core`
 UIC=${QT5LOC}/bin/uic
 MOC=${QT5LOC}/bin/moc
 RCC=${QT5LOC}/bin/rcc
 LRELEASE=${QT5LOC}/bin/lrelease
-------
 QT5LOC=`$PKG_CONFIG --variable=host_bins Qt5Core`
 UIC=${QT5LOC}/uic
 MOC=${QT5LOC}/moc
 RCC=${QT5LOC}/rcc
 LRELEASE=${QT5LOC}/lrelease

--8<---------------cut here---------------end--------------->8---

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.


Other than that things seem to work well although we'll have to change a
number of scripts that got caught in the changes w.r.t. to the linetype
command and some tightened syntax rules.  On the upside it looks we can
drop a patch that gave us more linetypes and dash patterns and just
define them in the defaults instead.


Regards,
Achim.
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