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ActiveTcl is ActiveState's quality-assured distribution of Tcl.
# see <http://www.activestate.com/Products/ActiveTcl/>
# <http://www.tcl.tk/>
First of all, please try to configure without any options.
"extconf.rb" searches ActiveTcl as default action.
If you have ActiveTcl and standard (or your own) Tcl/Tk on your
environment and don't want to use ActiveTcl on your Ruby/Tk, please
use --without-ActiveTcl option.
When "extconf.rb" fails to find your ActiveTcl libraries, please try
the followings.
If you want to use ActiveTcl binary package as the Tcl/Tk libraries,
please use the following configure options.
--with-ActiveTcl=<ActiveTcl_root>
( When without argument; no <ActiveTcl_root>; only '--with-ActiveTcl',
it same to '--with-ActiveTcl=/opt/ActiveTcl*/lib' )
--with-tcl-dir=<ActiveTcl_root>
--with-tk-dir=<ActiveTcl_root>
And use the followings if you need.
--with-tcllib=<libname>
--with-tklib=<libname>
--enable-tcltk-stubs
For example, when you install ActiveTcl-8.4.x to '/usr/local/ActiveTcl',
configure --with-tcl-dir=/usr/local/ActiveTcl/ \
--with-tk-dir=/usr/local/ActiveTcl/ \
--with-tcllib=tclstub8.4 \
--with-tklib=tkstub8.4 \
--enable-tcltk-stubs
It depends on your environment that you have to add the directory of
ActiveTcl's libraries to your library path when execute Ruby/Tk.
One of the way is to add entries to TCLLIBPATH environment variable,
and one of the others add to LD_LIBRARY_PATH environment variable
Probably, using TCLLIBPATH is better. The value is appended at the
head of Tcl's 'auto_path' variable. You can see the value of the
variable by using 'Tk::AUTO_PATH.value' or 'Tk::AUTO_PATH.list'.
For example, on Linux, one of the ways is to use LD_LIBRARY_PATH
environment variable.
-------------------------------------------------------------------------
[bash]$ LD_LIBRARY_PATH=/usr/local/ActiveTcl/lib:$LD_LIBRARY_PATH \
ruby your-Ruby/Tk-script
[bash]$ LD_LIBRARY_PATH=/usr/local/ActiveTcl/lib:$LD_LIBRARY_PATH irb
-------------------------------------------------------------------------
Based on it, the Tcl interpreter changes auto_path variable's value.
Then, you'll be able to use Tcl/Tk extension libraries included in the
ActiveTcl package (e.g. call TkPackage.require('BWidget'), and then,
use functions/widgets of BWidget extension).
Hidetoshi NAGAI (nagai@ai.kyutech.ac.jp)
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