https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112762
--- Comment #4 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Part of the problem is *-uclinux is not matched in config.gcc where
linux-protos.h/linux.o gets added:
```
*-*-linux* | frv-*-*linux* | *-*-kfreebsd*-gnu | *-*-gnu* |
*-*-kopensolaris*-gnu | *-*-uclinuxfdpiceabi)
...
# Linux C libraries selection switch: glibc / uclibc / bionic.
# uclibc and bionic aren't usable for GNU/Hurd and neither for GNU/k*BSD.
case $target in
*linux*)
tm_p_file="${tm_p_file} linux-protos.h"
tmake_file="${tmake_file} t-linux"
extra_objs="${extra_objs} linux.o"
extra_options="${extra_options} linux.opt"
;;
esac
```
As I mentioned there seems to be some misunderstanding what is the canonical
form for the triplet, or is both canonical (and different?) and just need fix
the usage for when uclinux is used and have them set tm_p_file/extra_objs
correctly, if they use linux.h .
