[Brlcad-tracker] [ brlcad-Feature Requests-1108761 ] More third party components should be optional

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Feature Requests item #1108761, was opened at 2005-01-25 00:41
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Category: Compilation
Group: next release
Status: Open
Resolution: Accepted
>Priority: 7
Submitted By: Pedro F. Giffuni (giffunip)
Assigned to: Sean Morrison (brlcad)
Summary: More third party components should be optional

Initial Comment:
Hi;

Just as is done with libpng, it would be nice to have the 
option of skipping the build of other third party 
components. In particular:

URT
itcl
itk
iwidgets

I've been packaging BRLCAD for distribution in 
FreeBSD, but some of these will cause packaging 
conflicts with the base packaged versions. Using the 
independent packages also reduces compiling time.

thanks,

    Pedro.

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Comment By: Sean Morrison (brlcad)
Date: 2005-04-14 14:33

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For another group, it would be a chicken and egg problem. 
URT has BRL-CAD framebuffer tools from us, those same tools
are in our fb directory (i.e. we share the same sources). 
So, we simply don't build URT with that support.  We build
our tools which are more up to date, etc, and link to
libutahrle as needed.

I've added checks into the latest CVS for URT (more
specifically, just for libutahrle) though I've not been able
to test it yet as the 5.2.1 port system urls for urt-doc.tgz
could not be found so install fails.  I've got a 5.3 system
I'm going to try it on later.  If the utahrle lib has no
external deps, it should successfully detect and skip
building libutahrle and the URT tools altogether.  Now on
the the others (tcl, itcl, itk, iwidgets)...


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Comment By: Pedro F. Giffuni (giffunip)
Date: 2005-01-25 19:53

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One thing that left me wondering though is that in your 
TODO list is an item wrt detecting URT. From looking at the 
URT sources I need to build BRL's framebuffer first in order 
to build the BRL support in URT. Do we have a chicken-and-
egg problem? in other words, is URT a requirement to build 
the rest of BRLCAD??

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Comment By: Sean Morrison (brlcad)
Date: 2005-01-25 07:15

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I quite agree and those components (tcl too) are on the to-do list to be 
made optionally and automaticly compiled only when required.  This is 
likely to be in the next release update (7.0.6).  Would like to do the 
same for tk, but we have a minor addition/modification to tk (spline 
canvas) that would need to be reworked or merged into tk.  Glad to hear 
about FreeBSD packaging.. thanks!  A 7.0.4 source tarball should be 
posted up shortly that fixes several issues in the 7.0.2 tarball.


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