From mboxrd@z Thu Jan  1 00:00:00 1970
From: Kevin Smith <kevin.smith@elecsyscorp.com>
Date: Wed, 16 Sep 2015 20:58:29 +0000
Subject: [U-Boot] U-boot UBI breaks build with -O0
Message-ID: <55F9D7F9.9040806@elecsyscorp.com>
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To: u-boot@lists.denx.de

Some of the debug functions for UBI are preprocessed out for U-boot 
(ifndef __UBOOT__), but their calls are optimized out at higher 
optimization levels, so this does not cause a problem.  When building 
with -O0, the linker gives an error:

fs/ubifs/io.c:162: undefined reference to `dbg_leb_unmap'

This function is in a #ifndef __UBOOT__ section.

Kevin Smith