The series touches also m68k, sh, mips and unicore32.
These architectures magically select a cross compiler if ARCH != SUBARCH.
Do really need that behavior?
This does remove functionality.
It allows to build a kernel using e.g. "make ARCH=m68k".
Perhaps this can be moved to generic code? Most (not all!) cross-toolchains
are called $ARCH-{unknown-,}linux{,-gnu}.
Exceptions are e.g. am33_2.0-linux and bfin-uclinux.
Today you can specify CROSS_COMPILE in Kconfig.
With this we should be able to remove these hacks.
Sam
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