Re: gnuplot 4.4 rc1 build failure

[Ethan M. (sfeam) <eam...@gm...>]

On Sunday 06 December 2009, mw...@us... wrote:
> Hi All,
> 
> I tried to build 4.4 RC1 on Solaris 9.  Here are the libraries I have.
> 
> zlib 1.2.3
> libpng 1.2.18
> freetype 2.3.5
> gd 2.0.33
> gcc 3.4.6 or gcc 4.2.?  ( I will try with Sun compiler soon)
> 
> The failure came from the file breader.c.  I got a link err for a call to GDImageCreateFromJPEG.   I don't have JPEG libraries as part of the GD library.  It looks like some pre-processor check need to be added around this call and maybe others? 

I don't see any other places outside of gd.trm itself.
Please try the attached patch.

> config.h has the proper settings for HAVE_GD_PNG and HAVE_GD_JPEG is undefined.  So the configure script picked-up on the fact the JPEG libraries were not available.
> 
> The ran quick tests after commenting out the 1 offending call.  The X11 and PNG seem to work.  I didn't test any other terminals yet.  I do get a warning from 'set term png' about the 'arial' font not being found.  I don't think you could find one font that is available on every operating system.

Right, although the very latest libgd (2.0.37) itself does a more thorough job of querying the system for font information via fontconfig.

	Ethan