fltk does not work on cygwin version octave-6.4.0

[Tatsuro MATSUOKA]

> ----- Original Message -----
> From: "Marco Atzeri"
> To: "Tatsuro MATSUOKA"  "cygwin
> Date: 2022/06/23 木 10:19
> Subject: Re: fltk does not work on cygwin version octave-6.4.0
> >> You can test the GL behaviour with
> >>
> >> $ cygcheck -l mesa-demos | grep bin
> >> /usr/bin/eglinfo
> >> /usr/bin/es2_info
> >> /usr/bin/glinfo
> >> /usr/bin/glxgears
> >> /usr/bin/glxinfo
> >> /usr/bin/wglgears
> >> /usr/bin/wglinfo
> >> /usr/bin/xeglgears
> > 
> > $ cygcheck -l mesa-demos | grep bin
> > /usr/lib/mesa-demos/fbobind.exe
> > /usr/lib/mesa-demos/pbinfo.exe
> > /usr/bin/eglinfo
> > /usr/bin/es2_info
> > /usr/bin/glinfo
> > /usr/bin/glxgears
> > /usr/bin/glxinfo
> > /usr/bin/wglgears
> > /usr/bin/wglinfo
> > /usr/bin/xeglgears
> > 
> > 
> > Tatsuro
> > 
> 
> 
> EHM ... sorry,
> I meant to use those programs to test the GL performance and have more info
> 
On native windows octave

octave:1> __opengl_info__
   version: 2.1.0 - Build 8.15.10.2900
    vendor: Intel
  renderer: Intel(R) HD Graphics
extensions:
  GL_EXT_blend_minmax
.......

Tatsuro