[Buildroot] [PATCH] toolchain: fix using external toolchains built with buildroot

[Peter Korsgaard]

>>>>> "Yann" == Yann E MORIN <yann.morin.1998 at anciens.enib.fr> writes:

 Yann> From: Yann E. MORIN <yann.morin.1998 at anciens.enib.fr>
 Yann> The toolchains built with buildroot use specially crafted paths for their
 Yann> sysroot and prefix. Fix that by asking gcc where it finds a file we
 Yann> know by relative path to the sysroot.

 Yann> This has the side effect of greatly simplifying the sysroot detection
 Yann> in every cases tested so far (BR toolchains, CT-NG toolchains, and
 Yann> CodeSourcery toolchains).

Committed, thanks all of you. Yann, don' forget to sign off on your
patches (-s option).

-- 
Bye, Peter Korsgaard