Frank Heckenbach writes:
E.g., on Linux you better build GPC yourself because of glibc incompatibilities, but you can assume gcc, binutils, libc, ncurses
please mention this is not necessary for Debian GNU/Linux and Debian GNU/Hurd. The current gpc can be fetched from www.debian.org for the architectures alpha, arm, i386, m68k, sparc and powerpc.