[Brlcad-users] [brlcad - Open Discussion] RE: configure doesn't find png and other stuff

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By: brlcad

You can try to add extra options via configure using the --with-cppflags,
--with-cflags, --with-ldflags, --with-libs, etc or use the traditional CFLAGS,
LDFLAGS, etc.  Example to use pnglib from /usr/local:

./configure CPPFLAGS="-I/usr/local/include" LDFLAGS="-L/usr/local/lib"
--with-libs="-lpng"

Tcl/tk are presently not configurable for a couple reasons.  Tk is actually
modified.  There is one significant customization that is required (and sitting
as a patch in the hands of the Tk devs).  Tcl/itcl/itk/iwidgets could all be
tested for and used if a local exists, but the build hooks just haven't been
added yet.

I don't believe that URT is modified, but I'm not certain.  Regardless, our
version of URT is potentially incompatible if URT has continued to be maintained
and improved over the years.  Our versions goes back a ways.  Someone just needs
to try and provide any fixes need. ;)

Thanks for the thanks.. it did take a long time.  The build system is generally
much more complicated than most packages, and incompatibilities between various
components of the GNU Build System have caused us more grief than I care to
recall.

Cheers!

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