[Buildroot] Simple glibc-based external toolchain support

[Peter Korsgaard]

>>>>> "Thomas" == Thomas Petazzoni <thomas.petazzoni at free-electrons.com> writes:

Hi,

 Thomas> This raises the following point: do we need these options at
 Thomas> all ?  Can't we just hardcode in ext-took.mk the list of
 Thomas> libraries that have to be imported in the target, depending
 Thomas> on the choosen C library ?

Sure, if the value is the same for all library versions, with/without
tls/ntpl, endianness, abi, ..

Alternatively we could add 3 options: uclibc, glibc and custom, and
then only display the setting for custom.

-- 
Bye, Peter Korsgaard