[OE-core] [PATCH] native.bbclass: Override TARGET_ flags too

[Paul Eggleton]

On Wednesday 16 April 2014 10:31:36 Mike Crowe wrote:
> TARGET_LDFLAGS is currently defined in bitbake.conf to contain
> ${TARGET_LINK_HASH_STYLE} which differs between MIPS and other
> targets. Since TARGET_LDFLAGS is an exported variable it affects the hash
> of every shell task even if it is not used.
> 
> We don't want native recipe tasks to have different hashes purely because
> they happen to have been built in order to satisfy dependencies for
> different MACHINEs since this causes lots of churn in the native sysroot
> when switching between MACHINEs.
> 
> Making native.bbclass override TARGET_LDFLAGS to use BUILD_LDFLAGS ensures
> consistent hashes and is a sensible thing to be doing anyway.

Just to be clear, for a native recipe how is TARGET_LDFLAGS entering the 
signatures? AIUI there ought to be indirection such that LDFLAGS is used and 
that is set from BUILD_LDFLAGS for a native recipe rather than TARGET_LDFLAGS.

Cheers,
Paul

-- 

Paul Eggleton
Intel Open Source Technology Centre