On 05/20/2013 09:43:53 PM, Zhang Ying-B40530 wrote:




-----Original Message-----
From: Wood Scott-B07421
Sent: Tuesday, May 21, 2013 2:56 AM
To: Zhang Ying-B40530
Cc: Wood Scott-B07421; u-boot@lists.denx.de; aflem...@gmail.com; Xie
Xiaobo-R63061; Tom Rini
Subject: Re: [PATCH] common/Makefile: Add new symbol
CONFIG_SPL_ENV_SUPPORT for environment in SPL


I'm not that familiar with CONFIG_SPL_NET_SUPPORT, but it looks like
it

just enables the net/ directory in an SPL.  How does that conflict
with

env stuff?  Perhaps there's some other symbol that better describes
the

actual conflict.

[Zhang Ying]

This is Tom's words:

a3m071 relies on SPL always building cmd_nvedit.o and env_common.o and
duplicated CONFIG_ENV_IS_IN_FLASH in the SPL section.

CONFIG_SPL_NET_SUPPORT relies on the same always-built ins and adds
env_nowhere.o which works because the regular CONFIG_ENV_IS_IN_...

section is in the non-SPL-only area.

If "SPL: Makefile: Build a separate autoconf.mk for SPL" gets merged, we could just have a3m071 define CONFIG_ENV_IS_NOWHERE in the SPL build case.

-Scott
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