>>> Unpacking source...
>>> Unpacking tcldom-3.1.tar.gz to /var/tmp/portage/dev-tcltk/tcldom-3.1/work
>>> Source unpacked in /var/tmp/portage/dev-tcltk/tcldom-3.1/work
>>> Compiling source in /var/tmp/portage/dev-tcltk/tcldom-3.1/work/tcldom-3.1 ...
./configure --prefix=/usr --build=x86_64-pc-linux-gnu --host=x86_64-pc-linux-gnu --mandir=/usr/share/man --infodir=/usr/share/info --datadir=/usr/share --sysconfdir=/etc --localstatedir=/var/lib --libdir=/usr/lib64 --enable-threads
creating cache ./config.cache
checking for correct TEA configuration... ok
checking for Tcl configuration... configure: warning: Cannot find Tcl configuration definitions
make -j4 -l4.0 
make: *** No targets specified and no makefile found.  Stop.
 * 
 * ERROR: dev-tcltk/tcldom-3.1 failed.
 * Call stack:
 *               ebuild.sh, line   49:  Called src_compile
 *             environment, line 2325:  Called die
 * The specific snippet of code:
 *           emake || die;
 *  The die message:
 *   (no error message)
 * 
 * If you need support, post the topmost build error, and the call stack if relevant.
 * A complete build log is located at '/var/tmp/portage/dev-tcltk/tcldom-3.1/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/dev-tcltk/tcldom-3.1/temp/environment'.
 *