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Re: ld: warning: gc-sections option ignored

From: Alan Modra <amodra at gmail dot com>
To: William Tambe <tambewilliam at gmail dot com>
Cc: binutils at sourceware dot org
Date: Wed, 7 Aug 2019 15:22:24 +0930
Subject: Re: ld: warning: gc-sections option ignored
References: <CAF8i9mPo0KK9sLBMey46RKtRTL1OuDbPvWLyvMX8UHMc941n_w@mail.gmail.com>

On Fri, Aug 02, 2019 at 10:54:20PM -0500, William Tambe wrote:
> Any idea, what needs to be implemented when porting binutils-ld in
> order to avoid the warning:
> ld: warning: gc-sections option ignored

Assuming your target is ELF, at a minimum
#define elf_backend_can_gc_sections 1

Depending on your target relocations, you may also need to override
various *_gc_* functions in elfxx-target.h.

-- 
Alan Modra
Australia Development Lab, IBM

References:
- ld: warning: gc-sections option ignored
  - From: William Tambe

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