[U-Boot] [PATCH] Introduce a new linker flag LDFLAGS_FINAL

[Scott Wood <scottwood@freescale.com>]

On Tue, 15 Feb 2011 04:02:44 -0500
Mike Frysinger <vapier@gentoo.org> wrote:

> so commit 8aba9dc is not something made for fun, but to fix real bugs people 
> were seeing while building with bi-endian toolchains (arm/superh/mips/probably 
> others), or bi-abi toolchains (blackfin/arm/probably others).

Sure.  But it had a side effect, and this patch is an attempt to
fix that side effect without affecting the real purpose of 8aba9dc.

> > This included anything that cpu/board code added to LDFLAGS -- some
> > architectures added --gc-sections, x86 added --cref, etc.  Since the above
> > flags are added to LDFLAGS, rather than replacing them, these flags got
> > used in the final link.
> > 
> > Commit 8aba9dc introduces LDFLAGS_u-boot, so that LDFLAGS is no longer the
> > source for the flags for the final link.  It generates LDFLAGS_u-boot using
> > PLATFORM_LDFLAGS, not LDFLAGS.  It converts most of the board/cpu updates
> > to LDFLAGS into LDFLAGS_u-boot, but it missed --cref.
> 
> err, i dont think this is correct.  LDFLAGS is no longer the *only* source for 
> the final link.  if you look at the actual target, you'll see it using 
> $(LDFLAGS) $(LDFLAGS_$(@F)).

Ah.  So why is PLATFORM_LDFLAGS added into both LDFLAGS and
LDFLAGS_u-boot? :-P

-Scott