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Date: Fri, 14 Oct 2011 14:11:52 -0700
From: Isaac Dunham <idunham@...abit.com>
To: musl@...ts.openwall.com
Subject: Re: [PATCH] properly terminate linked link of dsos
On Thu, 13 Oct 2011 21:03:17 -0400
Rich Felker <dalias@...ifal.cx> wrote:
> But I think the problem is much deeper. This "optimization" is
> necessarily based on the compiler making an assumption about what the
> function named "malloc" does. Compiling the implementation (libc)
> itself requires disabling such assumptions; with gcc, this is achieved
> with -ffreestanding (-fno-builtin will also work). Can you use the
> same or similar option with clang?
Per the manpage, -ffreestanding and -fno-builtin will work with clang.
-ffreestanding is probably the proper choice, since a new libc is a
freestanding environment.
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