...
X.c:2199: internal compiler error: Segmentation fault
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://www.gnu.org/software/gcc/bugs.html> for instructions.
make[2]: *** [X.o] Error 1
make[2]: Leaving directory `/root/.cpan/build/Tk800.025/Xlib/X'
make[1]: *** [subdirs] Error 2
make[1]: Leaving directory `/root/.cpan/build/Tk800.025/Xlib'
make: *** [subdirs] Error 2
  /usr/bin/make  -- NOT OK
Running make test
  Can't test without successful make
Running make install
  make had returned bad status, install seems impossible