nanogui: Thread: Building flnx for embedded powerpc?

Hello,
I am attempting to embed an application coded in C that uses FLTK plus 
nano-x.  A web search seems to indicate that the FLNX package is the 
particular FLTK flavor to use.  I have tried to cross-compile FLNX (from 
pixil)  without complete success.  I have a few questions:
Has anyone done this already?
Is there a procedure for doing this somewhere? 
Exactly which packages do I need? I think I only need microwindows and 
FLNX.
Is it possible to compile FLNX "stand-alone"?  In other words separate 
from the complete pixil package?

Any help appreciated!

Keith

FLNX is obsolete. Use nxlib instead.
It is being done all the time.
You need microwindows and nxlib and of course FLTK.
nxlib is a library and it is linked to your app in place of X11
libraries.
Martin


-----Original Message-----
From: Keith J Outwater ####@####.####
Sent: Wednesday, November 15, 2006 8:32 AM
To: ####@####.####
Subject: [nanogui] Building flnx for embedded powerpc?


Hello,
I am attempting to embed an application coded in C that uses FLTK plus 
nano-x.  A web search seems to indicate that the FLNX package is the 
particular FLTK flavor to use.  I have tried to cross-compile FLNX (from

pixil)  without complete success.  I have a few questions:
Has anyone done this already?
Is there a procedure for doing this somewhere? 
Exactly which packages do I need? I think I only need microwindows and 
FLNX.
Is it possible to compile FLNX "stand-alone"?  In other words separate 
from the complete pixil package?

Any help appreciated!

Keith

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> FLNX is obsolete. Use nxlib instead.

That was my impression also, but I was not 100% sure.

> It is being done all the time.

I tried to build nxlib, but it requires x11 to be installed.
As far as I can tell, I cannot build nxlib unless I have
a cross (powerpc) version of x11 already built.

Is there a way to cross-compile nxlib on my host system (x86)
without having to build x11 for my target (ppc) system?

> You need microwindows and nxlib and of course FLTK.
> nxlib is a library and it is linked to your app in place of X11
> libraries.
> Martin
> 

> 
> -----Original Message-----
> From: Keith J Outwater ####@####.####
> Sent: Wednesday, November 15, 2006 8:32 AM
> To: ####@####.####
> Subject: [nanogui] Building flnx for embedded powerpc?
> 
> 
> Hello,
> I am attempting to embed an application coded in C that uses FLTK plus 
> nano-x.  A web search seems to indicate that the FLNX package is the 
> particular FLTK flavor to use.  I have tried to cross-compile FLNX (from
> 
> pixil)  without complete success.  I have a few questions:
> Has anyone done this already?
> Is there a procedure for doing this somewhere? 
> Exactly which packages do I need? I think I only need microwindows and 
> FLNX.
> Is it possible to compile FLNX "stand-alone"?  In other words separate 
> from the complete pixil package?
> 
> Any help appreciated!
> 
> Keith

I use microwindows/nxlib/FLTK on i386 based system so I do not have
these problems.
I do not think you need X11 to build nxlib.
You do not want to install nxlib nor microwindows on your development
system.
You may have to modify makefiles or configs to make it work.

All you need to do is to build and link nxlib to you app and then
configure your target to contain microwindows instead of X11.

Martin


-----Original Message-----
From: Keith J Outwater ####@####.####
Sent: Wednesday, November 15, 2006 10:08 AM
To: ####@####.####
Subject: RE: [nanogui] Building flnx for embedded powerpc?


> FLNX is obsolete. Use nxlib instead.

That was my impression also, but I was not 100% sure.

> It is being done all the time.

I tried to build nxlib, but it requires x11 to be installed.
As far as I can tell, I cannot build nxlib unless I have
a cross (powerpc) version of x11 already built.

Is there a way to cross-compile nxlib on my host system (x86)
without having to build x11 for my target (ppc) system?

> You need microwindows and nxlib and of course FLTK.
> nxlib is a library and it is linked to your app in place of X11
> libraries.
> Martin
> 

> 
> -----Original Message-----
> From: Keith J Outwater ####@####.####
> Sent: Wednesday, November 15, 2006 8:32 AM
> To: ####@####.####
> Subject: [nanogui] Building flnx for embedded powerpc?
> 
> 
> Hello,
> I am attempting to embed an application coded in C that uses FLTK plus

> nano-x.  A web search seems to indicate that the FLNX package is the 
> particular FLTK flavor to use.  I have tried to cross-compile FLNX
(from
> 
> pixil)  without complete success.  I have a few questions:
> Has anyone done this already?
> Is there a procedure for doing this somewhere? 
> Exactly which packages do I need? I think I only need microwindows and

> FLNX.
> Is it possible to compile FLNX "stand-alone"?  In other words separate

> from the complete pixil package?
> 
> Any help appreciated!
> 
> Keith



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Keith:

Currently, I have Flnx running on my ARM-9 board.  From what I am hearing, I
should dump this in favor of Fltk and nxlib as you are about to do.  Could
you provide a procedure for doing this as you move forward?  It may help me,
and others, to avoid some bumps and bruises along the way.....

Best Regards,

Graham..........


-----Original Message-----
From: Martin Kajdas ####@####.####
Sent: Wednesday, November 15, 2006 12:21 PM
To: Keith J Outwater; ####@####.####
Subject: RE: [nanogui] Building flnx for embedded powerpc?


I use microwindows/nxlib/FLTK on i386 based system so I do not have
these problems.
I do not think you need X11 to build nxlib.
You do not want to install nxlib nor microwindows on your development
system.
You may have to modify makefiles or configs to make it work.

All you need to do is to build and link nxlib to you app and then
configure your target to contain microwindows instead of X11.

Martin


-----Original Message-----
From: Keith J Outwater ####@####.####
Sent: Wednesday, November 15, 2006 10:08 AM
To: ####@####.####
Subject: RE: [nanogui] Building flnx for embedded powerpc?


> FLNX is obsolete. Use nxlib instead.

That was my impression also, but I was not 100% sure.

> It is being done all the time.

I tried to build nxlib, but it requires x11 to be installed.
As far as I can tell, I cannot build nxlib unless I have
a cross (powerpc) version of x11 already built.

Is there a way to cross-compile nxlib on my host system (x86)
without having to build x11 for my target (ppc) system?

> You need microwindows and nxlib and of course FLTK.
> nxlib is a library and it is linked to your app in place of X11
> libraries.
> Martin
>

>
> -----Original Message-----
> From: Keith J Outwater ####@####.####
> Sent: Wednesday, November 15, 2006 8:32 AM
> To: ####@####.####
> Subject: [nanogui] Building flnx for embedded powerpc?
>
>
> Hello,
> I am attempting to embed an application coded in C that uses FLTK plus

> nano-x.  A web search seems to indicate that the FLNX package is the
> particular FLTK flavor to use.  I have tried to cross-compile FLNX
(from
>
> pixil)  without complete success.  I have a few questions:
> Has anyone done this already?
> Is there a procedure for doing this somewhere?
> Exactly which packages do I need? I think I only need microwindows and

> FLNX.
> Is it possible to compile FLNX "stand-alone"?  In other words separate

> from the complete pixil package?
>
> Any help appreciated!
>
> Keith



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Keith,

> I tried to build nxlib, but it requires x11 to be installed.
> As far as I can tell, I cannot build nxlib unless I have
> a cross (powerpc) version of x11 already built.

Nope! All you need are the X11 header files.
E.g. you could just copy the include/X11 dirextory from your host system
into your cross tool directory...

--
Steven

I've got nxlib to compile nicely using just the X11 headers- the
conundrum is, how do I build FLTK on my device without X11 libs, and
if possible avoiding cross-compiling from my host workstation?

Regards,
Warren.

Steven,

> Keith,
> 
> > I tried to build nxlib, but it requires x11 to be installed.
> > As far as I can tell, I cannot build nxlib unless I have
> > a cross (powerpc) version of x11 already built.
> 
> Nope! All you need are the X11 header files.
> E.g. you could just copy the include/X11 dirextory from your host system
> into your cross tool directory...
> 

Yes, I (finally) figured that out.  I am in the process of building
mocrowindows + nxlib + fltk.  Another list member asked me to document the
process when I get things working. I'll try to do that.

Keith

Keith:

I have been working on the same track as you and have everything working (so far) running on top of the eCos operating system.  For grins, I have started work on getting fltk 2 working also.I only problem I have run into was getting configure to work to generate a makefile I could hack.  I finally ran

./configure -enable-cygwin --target arm-elf

and all was ok.

Fltk2 does seem to use some function such as XOpenDevice that are not supported in nxlib, so I may abandon that effort and stick with 117.

Graham.....

Keith J Outwater ####@####.#### wrote: Steven,

> Keith,
> 
> > I tried to build nxlib, but it requires x11 to be installed.
> > As far as I can tell, I cannot build nxlib unless I have
> > a cross (powerpc) version of x11 already built.
> 
> Nope! All you need are the X11 header files.
> E.g. you could just copy the include/X11 dirextory from your host system
> into your cross tool directory...
> 

Yes, I (finally) figured that out.  I am in the process of building
mocrowindows + nxlib + fltk.  Another list member asked me to document the
process when I get things working. I'll try to do that.

Keith

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Graham W. Henderson
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Graham,

> 
> I have been working on the same track as you and have everything working 
(so far) running on top of the eCos operating system.  For grins, I have 
started work on getting fltk 2 working also.I only problem I have run into 
was getting configure to work to generate a makefile I could hack.  I 
finally ran
> 
> ./configure -enable-cygwin --target arm-elf
> 
> and all was ok.
> 
> Fltk2 does seem to use some function such as XOpenDevice that are not 
supported in nxlib, so I may abandon that effort and stick with 117.
> 

It certainly appears that you are having more success than I am.  For me 
it is one little problem after another.  Microwindows, nxlib and freetype2 
build, but the fltk 1.1.7 tests wont link. I am compiling natively on my 
embedded powerpc target using a NFS mounted root filesystem on my host 
machine and my roots filesystem has basically everyhting but the kitchen 
sink, so you'd think it would be a little easier than this.  Somehow I 
can't believe I'm the first to try building for powerPC.

Keith