The Tcl package contains the Tool Command Language.
User Notes: http://wiki.linuxfromscratch.org/hlfs/wiki/tcl
This package and the next two (Expect and DejaGNU) are installed to support running the test suites for GCC and Binutils. Installing three packages for testing purposes may seem excessive, but it is very reassuring, if not essential, to know that the most important tools are working properly. Even though the test suites are not run in this chapter, these packages are required to run the test suites in Chapter 6.
Prepare Tcl for compilation:
cd unix ./configure --prefix=/tools
Build the package:
make
Install the package:
make install
Install Tcl's headers. The next package, Expect, requires them to build.
make install-private-headers
Now make a necessary symbolic link:
ln -sv tclsh8.4 /tools/bin/tclsh