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Hello,
as far as I have understood, the toolchain will compil a cross compiler. I don't know if someone has already tried to substitute the "original" compiler on his system with the "cross" one.
Under gentoo there is http://packages.gentoo.org/search/?sstring=crossdev which I don't exactly know what's about...
Thank 
What do you mean by "substitute the "original" compiler on his system with the "cross" one." ?
The cross compiler is a host-specific and target-specific program. It can be run for the host system and produces a target binary. Running a mipsel compiler on another platform (except mips maybe) won't work.
OK, thank for the info, I was thinking it was just a gcc with an extra understanding of -march option.
Great to know !
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