[U-Boot] [PATCH] Malloc: Fix -Wundef warnings

[Mike Frysinger]

On Thursday 29 March 2012 15:28:15 Marek Vasut wrote:
> In file included from arch/arm/lib/board.c:43:0:
> include/malloc.h:490:5: warning: "HAVE_MMAP" is not defined [-Wundef]
> include/malloc.h:590:5: warning: "HAVE_USR_INCLUDE_MALLOC_H" is not defined
> [-Wundef] include/malloc.h:757:5: warning: "HAVE_MMAP" is not defined
> [-Wundef]

how much of the tree warns with -Wundef ?  with older code bases, i tend to 
find this sort of a useless flag.
-mike
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