[Buildroot] glibc and --enable-kernel

[Peter Korsgaard <peter@korsgaard.com>]

>>>>> "Arnout" == Arnout Vandecappelle <arnout@mind.be> writes:

Hi,

 >> The only reason that may encourage you to use
 >> BR2_TOOLCHAIN_HEADERS_AT_LEAST instead of BR2_DEFAULT_KERNEL_HEADERS is
 >> an upcoming patch from Yann E. Morin (already submitted but not merged
 >> yet), which allows to tell Buildroot to use the kernel version
 >> specified in the "Kernel" menu as the version for the kernel headers.
 >> In this case, I believe BR2_DEFAULT_KERNEL_HEADERS will not be correct,
 >> while BR2_TOOLCHAIN_HEADERS_AT_LEAST will be.

 >  A minor issue with _AT_LEAST, however, is that it will probably go through
 > deprecation eventually. Right now we have "2.6" as the lowest _AT_LEAST - how
 > will glibc deal with that? I can imagine at some point we'll deprecate 3,1, 3.2,
 > and 3.3, so if you're using 3.3 headers the _AT_LEAST will become 3.0. Right
 > now, we already have that for 2.6.3x, which will fall back to 2.6.0 (I guess -
 > should be checked if glibc doesn't barf on 2.6 without .0).

If it does, then I suggest we filter out --enable-kernel for the oldest
variant, so we're back to how it works now as a lowest common denominator.

-- 
Bye, Peter Korsgaard