[U-Boot] [PATCH 7/7] add gc-sections to TPL boot

[Haiying Wang <Haiying.Wang@freescale.com>]

On Fri, 2011-01-28 at 13:46 -0500, Haiying Wang wrote:
> > In any case, I don't think we want different behavior here based on
> > whether we have TPL.  Either LDFLAGS is used in partial linking, or
> > it's not.
> I don't understand why LDFLAGS was added here in patch
> http://lists.denx.de/pipermail/u-boot/2011-January/084705.html
> 
> It says "LDFLAGS sets necessary option by partial linking (use in
> cmd_link_o_target)." But without this changing, the partial linking
> worked well before. Please correct me if I am wrong.
> 
> So if someone can confirm LDFLAGS is not necessary to be added in
> cmd_link_o_target, I prefer not add it here.

BTW, I doubt removing --gc-sections for PLATFORM_FLAGS by patch
http://lists.denx.de/pipermail/u-boot/2011-January/084705.html may have
the risk of building failure for nand_spl, as we encountered the message
"NAND bootstrap too big" before

For example, the size for MPC8572DS_NAND_config before applying patch:

   text	   data	    bss	    dec	    hex	filename
   3320	    520	      0	   3840	    f00	nand_spl/u-boot-spl

After applying that patch:
   text	   data	    bss	    dec	    hex	filename
   3476	    520	      0	   3996	    f9c	nand_spl/u-boot-spl

Once 8572 support is getting bigger as that in BSP, the error message
will be triggered.

Haiying