gnuplot-beta

Win32 Gnuplot Compilation

[David Ko <dk...@uc...>]

Hello all,

I've recently been trying to compile Gnuplot in MinGW, and I've gotten 
everything working except that it crashes when I try to write a png file. The 
Windows binary I downloaded from gnuplot.info works fine, and I have a couple 
questions for the Win32 binary maintainer:

What build environment was used to create the Win32 binaries? I've tried MinGW 
and Visual Studio .NET thus far, and everything dies when trying to write a png 
file. (i.e. 'set terminal png; set output "test.png"; plot x' <- dies here) My 
latest attempt was with the 'config/makefile.mgw' provided makefile in MinGW.

What version of libgd was used? I assume that the latest version (2.0.35) was 
used, but the makefile.mgw that came w/ gnuplot referred to v.1.8 as "new". 
I've tried using the libgd library built from scratch and the provided prebuilt 
libraries. I've also tried the v1.8 library. Gnuplot behaves identically for 
all of them (crash on png write). 

Any other tips/ideas for me? I'm not really a windows person by any means.

Thanks for your time!

- David Ko

Re: Win32 Gnuplot Compilation

[mrbiggles <sno...@sp...>]

David Ko wrote:
> 
> Hello all,
> 
> I've recently been trying to compile Gnuplot in MinGW, and I've gotten 
> everything working except that it crashes when I try to write a png file.
> The 
> Windows binary I downloaded from gnuplot.info works fine, and I have a
> couple 
> questions for the Win32 binary maintainer:
> 
> What build environment was used to create the Win32 binaries? I've tried
> MinGW 
> and Visual Studio .NET thus far, and everything dies when trying to write
> a png 
> file. (i.e. 'set terminal png; set output "test.png"; plot x' <- dies
> here) My 
> latest attempt was with the 'config/makefile.mgw' provided makefile in
> MinGW.
> 
> What version of libgd was used? I assume that the latest version (2.0.35)
> was 
> used, but the makefile.mgw that came w/ gnuplot referred to v.1.8 as
> "new". 
> I've tried using the libgd library built from scratch and the provided
> prebuilt 
> libraries. I've also tried the v1.8 library. Gnuplot behaves identically
> for 
> all of them (crash on png write). 
> 
> Any other tips/ideas for me? I'm not really a windows person by any means.
> 
> Thanks for your time!
> 
> - David Ko
> 
> 
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=====================================================================
Assuming you are using VC 2005 and gd-2.0.35 . . .

I had the same problem. It had me stumped. Here is how I solved it.

Get the extras package from:

   http://www.libgd.org/releases/extras/gd_build_win32_deps.zip

Then extract it somewhere on your hard drive. Edit the makefile in
the windows directory of gd-2.0.35 and point EXRTRA_INCLUDE and
EXTRA_LIBS to where you extraced gd_build_win32_deps.zip files:

(below my example assumes I extracted to gd_deps inside gd-2.0.25)

   EXTRA_INCLUDE=C:\\gd-2.0.35\\gd_deps\\include
   EXTRA_LIBS=/libpath:C:\\gd-2.0.35\\gd_deps\\lib

Then compile libgd (nmake -f Makefile)

Copy the resulting bgd.dll & bgd.dll.manifest to your gunplot
install directory and you will be able to save to png.
=====================================================================
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